• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    A leakage coaxial cable fixture, comprising a support seat 1, a cover plate 2 hingedly connected to the support seat, and a locking piece 3 for locking the support seat and the cover plate; the arc-shaped locking piece locks the cover plate and the cable bearing part 5 of the support seat to form an annular fixture, clamping a leakage coaxial cable by being applied with force circumferentially; and an elastomeric sheath 27 used compatible with the leakage coaxial cable fixture is disposed, and adsorbs vibration and stress from the cover plate and the cable bearing part to protect the cable bearing part and the cover plate against abrasion.
    公开号:SE1651019A1
    申请号:SE1651019
    申请日:2014-12-05
    公开日:2016-07-08
    发明作者:Cai Zhaoting；Xu Jing；Liu Jianyu；Zhang Mengbin；Zhao Qiang；Sun Feng；Zhang Jian；Liu Zizheng；Cai Jingjing
    申请人:
    IPC主号:
    专利说明:

    LEAKAGE COAXIAL CABLE FIXTURE AND ELASTOMERIC SHEATH USED WITH SAME FIELD OF THE INVENTION The present invention relates to a kind of clamps for fixing cables, more particularly relates to a leakage coaxial cable fixture for fixing leaky coaxial cables.
    BACKGROUND OF THE INVENTION The construction of high-speed railway is an inevitable trend in the development of transportation in the world. With the increasing of high-speed railway operating mileage in China, while enjoying the convenient transportation and the fast and comfortable travelling provided by the transportation facilities, the demand for communication along the high-speed railway is also increasing. For example: due to the influence of topography, wireless signal is difficult to directly cover the area such as railway tunnels, large bridges, etc.. In such area, the coverage of the wireless signal is usually realized by using leakage coaxial cable. Restricted by the nature of leakage coaxial cable, it is always the purpose of this field about how to let the cable fixture to get better clamping characteristics without affecting the emission and reception effect of the wireless signal for the leakage coaxial cable, in the meantime to get more convenient installation and disassembly operations.
    To facilitate the installation of cables, a split fixture is usually adopted. The split fixture has two halves which have a structure suited for the figure of cables. The two halves are usually fixed by bolts, or use hook jig mode structure made through injection molding process. However, in this way, there are such problems as using too many parts, easy to fall off, and it's time-consuming and complex to install, furthermore, the clamping force is heavily depending on the operation of human, also, the fixture itself can not afford tunnel piston effect caused by the traffic of the high-speed train, with the natural aging of plastic itself, trains will bear with security risk, and the cost to maintain the railway communication will increase.
    A Chinese utility model with publication No. CN201723848U discloses a cable clamp comprising: a base plate which can be fixed on the basis of structural components, a support seat integrated with the base plate, the support seat has supporting recess spaced from each other to undertake the cable, and two cover bodies, said cover body and said supporting seat are fixed through a elastic hook means. During the installation, first put the cable on the supporting recess of the support seat, then cover the cover body. In the actual use of that, it is found that, when the cable is placed in the supporting recess, and the cover body is fitted on the support seat and the elastic hook means is locked, the cover body and the cable does not contact, and the cable just pressed by two elastic blades below the cover body, achieving stability through "three-point force", namely the elastic blades below the cover body and the clamping force upward from the supporting access, therefore, with this fixture, one can not fix the cable efficiently through a simple clamp operation.
    In the cable clamp described above, the two overhang elastic blades set under the cover body can only press the cable, but cannot wrap the cable so they do nothing with the clamping of the cable and have no function to increase the resistance to the longitudinal pull demanded. So the above mentioned "three-point force" state is actually difficult to achieve. Further, in this fixture, the cover body is designed as a plastic shell member with a U-shaped cross-section, with the shocks of the strong wind caused by the high-speed train traffic, it is prone to decoupling, which could be disastrous. In addition, according to the technical demands of the high-speed train, a fixture itself must be safe and reliable, adaptive and powerful, maintenance-free, with long service life. So the above mentioned cable clamp is more suitable for low-speed train, it is needed to use new fixture techniques in high-speed train traffic.
    SUMMARY OF THE INVENTION The object of the present invention is to provide a leakage coaxial cable fixture, through structural improvements, let the leakage coaxial cable fixture have the characteristics of safe, reliable, easy installation and disassembly, providing good gripping properties without affecting the emission and reception effect of the wireless signal for the leakage coaxial cable.
    To achieve the above object, the present invention adopts the technical solution as: a leakage coaxial cable fixture, comprising a support seat, a cover part hinged with said support seat, locking means for locking said support seat and said cover part, said support seat comprises a fixing portion for fixing the support seat, a cable bearing part with an arc-shaped bearing surface whole united with said fixing portion, a first hinge portion located at one end of said cable bearing part and hinged with said cover part, a first locking portion located at the other end of the cable bearing part and bent outwardly, said cover part comprises an arc-shaped cover body, a second hinge portion located at one end of the cover body and hinged with the first hinge portion of said support seat through a hinge pin, a second locking portion located at the other end of the cover body and bent outwardly, said locking means comprises a lock body with a leak port and capable of interlinking the first locking portion and the second locking portion, the locking lever set on said lock body.
    In the above technical solution, the support seat, the cover part, and the locking means are made of metal material.
    A preferable solution is, when the leakage coaxial cable fixture is in the locked state, said support seat, the cover part, and said locking means form the shape of a ring; the centerline of said leak port is in the horizontal plane through the centerline of the ring.
    A preferable solution is, said hinge pin is an elastic pin, said lock body is annular, said locking lever is a flip locker.
    Further technical solution, along the locking surface of the locking lever, there is an outward projection set on the other end opposite to the locking end, on the outer wall of the cable bearing part there is an L-shaped locking member which is coordinated with said outward projection, said projection and said L-shaped locking member locked fixedly after engagement.
    In the above technical solution, said projection has an end chamfer of R1—R2 on the end engaged with said L-shaped locking member; on the L-shaped locking member there is an end chamfer of R1—R2 correspondingly.
    In the above technical solution, corresponding to rotary shaft between the locking lever and the lock body, on the locking lever there is an extension portion extended away from the cable bearing part.
    An elastomeric sheath using with said leakage coaxial cable fixture, comprising two semi-circular arc shaped half sheaths which form a tubular sheath when locked together, a through hole is set on the half sheath in the aligned position with the leak port on the lock body.
    A preferable solution is, there are strip-shaped projections set axially forming inner shock absorber blocks, and strip-shaped projections set axially on the outside of the sheath forming external shock absorber blocks.
    A preferable solution is, the inner and external shock absorber blocks are provided at dislocations.
    A preferable solution is, the semi-circular arc shaped half sheath has an extension portion with a pin hole to set on the hinge pin.
    With the above technical solution, the present invention has the following beneficial effects: The support seat and the cover part of the present invention form a structure of an arcuate elastomer, locked by the locking means to form a circular leakage coaxial cable fixture with horizontal opening, so as to press the cable in the cable bearing part from the surrounding; In the present invention, the locking lever in the locking means has a sectional shape of triangle, by a simple operation of flipping locking, the fixture can be easily installed, so as to save time and strength, the locking means can be unlocked by the elastic deformation of the cover part and the cable bearing part, so that the installation and disassembly of the leakage coaxial cable fixture is very convenient, which can be realized by a simple operation; In the present invention, the elastomeric sheath can adsorb vibration and pressure from the cover part and the cable bearing part, to protect the cable bearing part and the cover part, to prevent wear and tear; the shock absorber blocks can protect the cable from loosening, the dislocation of inner and external shock absorber blocks ensures holding strength of leakage cable while plays a good damping effect; In the present invention, the leak port is set in the horizontal position of the installed leakage coaxial cable fixture, so the emission or reception signals of the leakage coaxial cable achieve the best effect; In a further solution, in order to avoid post-decoupling of the system caused b the high speed wind tunnel effect and elastomers aging, the present invention set a projection on the other end of the locking part, cooperate with an L-shaped locking member set on the cable bearing part or the cover part, so as to ensure stability of the locking lever when locked after installation, to avoid the risk of traffic safety problem caused by the loosing of the locking lever, it is inventive; By providing the extension portion, it is convenient to install using a normal wrench, so as to simplify the operation, to improve the efficiency of the installation, and to ensure the quality of the installation.
    BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic view of the fixture in embodiment 1; FIG. 2 is a schematic view of the assembling of the fixture and the sheath in embodiment 1; FIG. 3 is a schematic view of the support seat and the cover part in embodiment 1; FIG. 4 is a schematic view of the elastomeric sheath in embodiment 1; FIG. 5 is a schematic view of the structure of the locking means; FIG. 6 is a schematic view of the assembling of the fixture and the sheath in embodiment 2; FIG. 7 is a schematic view of the elastomeric sheath in embodiment 2; FIG. 8 is a schematic view of the support seat and the cover part in embodiment 2; FIG. 9 is a schematic view of embodiment 3; FIG. 10 is a schematic view of FIG. 9 after removal of the elastomer sheath; FIG. 11 is a schematic view of the elastomeric sheath in FIG. 9; FIG 12 is a schematic view of embodiment 4; FIG. 13 is a schematic view of embodiment 5.
    Wherein: 1, a support seat; 2, a cover part; 3, locking means; 4, a triangular fixing member; 5, the cable bearing part; 6, a first hinge portion; 7, a first locking portion; 8, the cover body; 9, a second hinge portion; 10, a second locking portion; 11, a leak port; 12, the lock body; 13, the locking lever; 14, a semi-circular arc shaped half sheath; 15, a through hole; 16, inner shock absorber block; 17, external shock absorber block; 18, extension portion with a pin hole; 19, E-shaped fixing body; 20, mounting hole; 21, through hole for adjustment; 22, through hole on the half sheath; 23, a fixing portion; 24, a projection; 25, an L-shaped locking member; 26, extension portion; 27, an elastomeric sheath.
    DETAILED DESCRIPTION OF THE EMBODIMENTS The present invention will be further described below with reference to drawings and examples.
    Embodiment 1: Refer to FIG.1-FIG.5, a leakage coaxial cable fixture, comprising a support seat 1, a cover part 2 hinged with said support seat 1, locking means for locking said support seat 1 and said cover part 2, said support seat 1 comprises a fixing portion for fixing the support seat, a cable bearing part 5 with an arc-shaped bearing surface whole united with said fixing portion, a first hinge portion 6 located at one end of said cable bearing part 5 and hinged with said cover part 2, a first locking portion 7 located at the other end of the cable bearing part 5 and bent outwardly, said cover part 2 comprises an arc-shaped cover body, a second hinge portion 9 located at one end of the cover body and hinged with the first hinge portion 6 of said support seat 1 through a hinge pin, a second locking portion 10 located at the other end of the cover body and bent outwardly, said locking means comprises a lock body 12 with a leak port 11 and capable of interlinking the first locking portion 7 and the second locking portion 10, the locking lever 13 set on said lock body 12.
    The support seat 1, the cover part 2, and the locking means are made of metal material.
    The fix portion is a triangular fixing member 4, comprising a mounting plate to be mounted on a wall or a pillar, a support frame connecting with the cable bearing part, the mounting plate, the support frame and the cable bearing part are made in one element. On the mounting plate, transverse stiffeners are set to increase the firmness.
    A leak port 11 is at the horizontal plane through the centerline of the leakage coaxial cable fixture, while the size of the leak port is 25-35 mm.
    The hinge pin is an elastic pin.
    The lock body 12 is annular.
    The locking lever 13 is a flip locker.
    An elastomeric sheath using with said leakage coaxial cable fixture, comprising two semi-circular arc shaped half sheaths 14 which form a tubular sheath when locked together, a through hole 15 is set on the half sheath 14 in the aligned position with the leak port 11 on the lock body 12.
    There are strip-shaped projections set on the half sheath 14 axially forming inner shock absorber blocks 16, and strip-shaped projections set axially on the outside of the half sheath 14 forming external shock absorber blocks 17.
    The external shock absorber blocks 17 and the inner shock absorber blocks 16 are provided at dislocations.
    The semi-circular arc shaped half sheath 14 has an extension portion 18 with a pin hole to set on the hinge pin.
    Embodiment 2: Refer to FIG.5-FIG.8, a leakage coaxial cable fixture, comprising a support seat 1, a cover part 2 hinged with said support seat 1, locking means for locking said support seat 1 and said cover part 2, said support seat 1 comprises a fixing portion for fixing the support seat, a cable bearing part 5 with an arc-shaped bearing surface whole united with said fixing portion, a first hinge portion 6 located at one end of said cable bearing part 5 and hinged with said cover part 2, a first locking portion 7 located at the other end of the cable bearing part 5 and bent outwardly, said cover part 2 comprises an arc-shaped cover body, a second hinge portion 9 located at one end of the cover body and hinged with the first hinge portion 6 of said support seat 1 through a hinge pin, a second locking portion 10 located at the other end of the cover body and bent outwardly, said locking means comprises a lock body 12 with a leak port 11 and capable of interlinking the first locking portion 7 and the second locking portion 10, the locking lever 13 set on said lock body 12.
    The support seat 1, the cover part 2, and the locking means are made of metal material.
    The fix portion is a E-shaped fixing body 19, the E-shaped fixing body 19 and the cable bearing part 5 are made in one element. On the E-shaped fixing body 19, a transverse stiffener is set to increase the firmness, a mounting hole 20 using to locate and mount the fixture is set on the stiffener, on the cable bearing part 5 a through hole for adjustment is set accordingly, so as to mount the fixture more easily.
    A leak port 11 is at the horizontal plane through the centerline of the leakage coaxial cable fixture, while the size of the leak port is 25-35 mm.
    The hinge pin is an elastic pin.
    The lock body 12 is annular.
    The locking lever 13 is a flip locker.
    An elastomeric sheath using with said leakage coaxial cable fixture, comprising two semi-circular arc shaped half sheaths 14 which form a tubular sheath when locked together, a through hole 15 is set on the half sheath 14 in the aligned position with the leak port 11 on the lock body 12.
    On the half sheath 14 there is a through hole 22 according to the through hole 21 for adjustment.
    There are strip-shaped projections set axially forming inner shock absorber blocks, and strip-shaped projections set axially on the outside of the half sheath forming external shock absorber blocks.
    The external shock absorber blocks 17 and the inner shock absorber blocks 16 are provided at dislocations.
    The semi-circular arc shaped half sheath 14 has an extension portion 18 with a pin hole to set on the hinge pin.
    Embodiment 3: Refer to FIG.9-FIG.11, a leakage coaxial cable fixture, comprising a support seat 1, a cover part 2, and locking means 3, said support seat comprises a fixing portion 23 and a cable bearing part 5. In the embodiment, the fixing portion 23 is a E-shaped structure with a hole for bolt, the E-shaped structure and the C-shaped cable bearing part are made in one element. Said cover part 2 is designed as a C-shaped alloy made element, along the two ends of the C-shape there are U-shaped hooks forming grooves, so that the cover part hinge with the U-shaped groove on the E-shaped support seat by a elastic hinge pin. With the function of the elastic hinge pin through the two U-shaped hooks, when the cover part turns and deforms with the E-shaped support seat, it not only ensures the stiffness and firmness of the cover part and C-shaped cable bearing part, but also ensure the firmness between the cover part and the E-shaped support seat, so that provide enough clamping to the cable.
    At the outer end of the cable bearing part 5 there is a first locking portion 7 bent outwardly, at the outer end of said cover part 2 there is a second locking portion 9 bent outwardly, said locking means comprises a lock body 12 with a leak port, the lock body 12 can be annular, one end of the lock body 12 is linked to the second locking portion 9, the other end of the lock body 12 is hinged to the locking lever 13, said locking lever 13 has a locking surface coordinated with the outer side of the bearing part and a locking end coordinated with the first locking portion, there is an outward projection 24 set along the locking surface of the locking lever 13 on the other end opposite to the locking end, on the outer wall of the cable bearing part 5 there is an L-shaped locking member 25 which is coordinated with said outward projection 24, said projection 24 and said L-shaped locking member 25 locked fixedly after engagement. Said projection 24 has an end chamfer of R1—R2 on the end engaged with said L-shaped locking member 25; on the L-shaped locking member there is an end chamfer of R1—R2 correspondingly.
    In this embodiment, corresponding to rotary shaft between the locking lever and the lock body, on the locking lever 13 there is an extension portion 26 extended away from the cable bearing part.
    In this embodiment, an elastomeric sheath 27 is set at the inner side of the cover part and C-shaped cable bearing part, said elastomeric sheath comprising: two C-shaped half elastic sheaths which form an 0-shaped tubular sheath when locked together, provided with anti-shock elastic absorber on both sides, to absorb the vibration and pressure from the cover body and the C-type cable bearing part, the inner side elastic absorber can prevent the cable from loosening. The two sides absorbers are dislocated to ensure the strength of the cable clamping while filtering out the powerful vibration outside.
    A preferable solution is, with the function of the cover part and the C-shaped cable bearing part, the external shock absorber blocks on the outer side of the two C-shaped elastic elements ensure to press the cover part upward and to press the C-shaped cable bearing part downward, .while the inner shock absorber blocks press inside to the cable, so that the cable in the fixture will not loose and be clamped tightly.
    When the triangle locking lever is turned under the external force, the two C-shaped elastic elements, the cover part, the triangle locking lever are locked together to form an 0-shaped sealer with a leak port for the leakage coaxial cable. More advantageously, as the leak port will not be sheltered in any case, the emission and reception of the signals become unobstructed.
    In this embodiment, through designing an L-shaped locking structure, when the triangular locking lever and the C-shaped cable bearing part are locked together, the fixture will be self locked, and need a powerful force to open the self lock device, so once the triangular locking lever is turned and coordinated with the L-shaped device on the down end of the C-shaped cable bearing part, the cable will be clamped efficiently, so, through a simple turn and clamp operation, the fixture is self locked, it is time and strength saving. The mounted cable is surrounded in the cover part and C-shaped bearing part reliably, the self locking device will still work even if the elastic element are aging, so that clamping force is surrounding to form an 0-shaped sealing fixture. In this way, the effect of clamping is decided by the structure of the fixture wholly, the mooting quality will not be affected by the operator or other uncontrollable factors.
    Embodiment 4: Refer to FIG. 12, a leakage coaxial cable fixture, comprising a support seat, a cover part hinged with said support seat, locking means for locking said support seat and said cover part, said support seat comprises a fixing portion and a cable bearing part, a first locking portion located at the outer end of said cable bearing part and bent outwardly, a second locking portion located at the outer end of the cover body and bent outwardly, said locking means comprises a lock body with a leak port, one end of the lock body is linked on the first locking portion, the other end of the lock body is linked with a locking lever, said locking lever has a locking surface coordinated with the outer wall of the cover part and a locking end coordinated with the second locking portion, on the locking lever opposite to the locking end there is a projection along the locking surface, on the outer wall of the cover part set an L-shaped locking member accordingly, said projection and said L-shaped locking member are fixed through engagement.
    Said projection has an end chamfer of R1 -R2 on the end engaged with said L-shaped locking member; on the L-shaped locking member there is an end chamfer of Rl-R2 correspondingly.
    Corresponding to rotary shaft between the locking lever and the lock body, on the locking lever there is an extension portion extended away from the cover part. Embodiment 5: Refer to FIG. 13, a leakage coaxial cable fixture, comprising a support seat, a cover part hinged with said support seat, locking means for locking said support seat and said cover part, said support seat comprises a fixing portion and a cable bearing part, a first locking portion located at the outer end of said cable bearing part and bent outwardly, a second locking portion located at the outer end of the cover body and bent outwardly, said locking means comprises a lock body with a leak port, one end of the lock body is linked on the second locking portion, the other end of the lock body is linked with a locking lever, said locking lever has a locking surface coordinated with the outer wall of the cable bearing part and a locking end coordinated with the first locking portion, on the locking lever opposite to the locking end there is a projection along the locking surface, on the outer wall of the cable bearing part set an L-shaped locking member accordingly, said projection and said L-shaped locking member are fixed through engagement.
    In this embodiment, refer to FIG. 13, the fixing portion is a triangular structure with a hole for bolt, the triangular structure and the C-shaped cable bearing part forms one element.
    权利要求:
    Claims (10)
    [1] 1. A leakage coaxial cable fixture, comprising a support seat, a cover part hinged with said support seat, locking means for locking said support seat and said cover part, characterized in that: said support seat comprises a fixing portion for fixing the support seat, a cable bearing part with an arc-shaped bearing surface whole united with said fixing portion, a first hinge portion located at one end of said cable bearing part and hinged with said cover part, a first locking portion located at the other end of the cable bearing part and bent outwardly, said cover part comprises an arc-shaped cover body, a second hinge portion located at one end of the cover body and hinged with the first hinge portion of said support seat through a hinge pin, a second locking portion located at the other end of the cover body and bent outwardly, said locking means comprises a lock body with a leak port and capable of interlinking the first locking portion and the second locking portion, the locking lever set on said lock body.
    [2] 2. The leakage coaxial cable fixture according to claim 1, wherein when the leakage coaxial cable fixture is in the locked state, said support seat, the cover part, and said locking means form the shape of a ring; the centerline of said leak port is in the horizontal plane through the centerline of the ring.
    [3] 3. The leakage coaxial cable fixture according to claim 1, wherein said hinge pin is an elastic pin, said lock body is annular, said locking lever is a flip locker.
    [4] 4. The leakage coaxial cable fixture according to claim 1, wherein along the locking surface of the locking lever, there is an outward projection set on the other end opposite to the locking end, on the outer wall of the cable bearing part there is an L-shaped locking member which is coordinated with said outward projection, said projection and said L-shaped locking member locked fixedly after engagement.
    [5] 5. The leakage coaxial cable fixture according to claim 4, wherein said projection has an end chamfer of R1—R2 on the end engaged with said L-shaped locking member; on the L-shaped locking member there is an end chamfer of R1—R2 correspondingly.
    [6] 6. The leakage coaxial cable fixture according to claim 4, wherein corresponding to rotary shaft between the locking lever and the lock body, on the locking lever there is an extension portion extended away from the cable bearing part.
    [7] 7. An elastomeric sheath using with said leakage coaxial cable fixture according to any claim in claims 1-6, comprising two semi-circular arc shaped half sheaths which form a tubular sheath when locked together, characterized in that a through hole is set on the half sheath in the aligned position with the leak port on the lock body.
    [8] 8. The elastomeric sheath according to claim 7, wherein there are strip-shaped projections set axially on the inner surface of the half sheath forming inner shock absorber blocks, and strip-shaped projections set axially on the outside of the half sheath forming external shock absorber blocks.
    [9] 9. The elastomeric sheath according to claim 8, wherein the inner and external shock absorber blocks are provided at dislocations.
    [10] 10. The elastomeric sheath according to claim 7, wherein the semi-circular arc shaped half sheath has an extension portion with a pin hole to set on the hinge pin.
    类似技术:
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    同族专利:
    公开号 | 公开日
    WO2015085890A1|2015-06-18|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    EP3835638A1|2019-12-10|2021-06-16|Walter Stauffenberg Gmbh & Co. Kg|Device for the fixing of lines|US7150439B2|2004-10-15|2006-12-19|Donald Ross Konold|Configurable clamp assembly|
    DE102006025706B4|2006-06-01|2008-06-05|Lisa Dräxlmaier GmbH|Corrugated tube holder|
    GB201216665D0|2012-08-30|2012-10-31|Beech David|Enclosure means for pipes, cables and wires|
    CN103075577B|2013-01-28|2015-07-22|中天日立射频电缆有限公司|Novel leakage cable fixing device for high-speed railway|
    CN203248850U|2013-05-22|2013-10-23|佛山市鸿金源铝业制品有限公司|Novel one-piece cable hook|
    CN203703381U|2013-12-13|2014-07-09|中铁第四勘察设计院集团有限公司|Leakage coaxial cable clamp and elastomer sheath matched with leakage coaxial cable clamp|
    CN103644381B|2013-12-13|2015-12-30|中铁第四勘察设计院集团有限公司|A kind of leaky coaxial cable fixture|
    法律状态:
    2017-10-10| NAV| Patent application has lapsed|
    优先权:
    申请号 | 申请日 | 专利标题
    CN201310682258.XA|CN103644381B|2013-12-13|2013-12-13|A kind of leaky coaxial cable fixture|
    CN201420405407.8U|CN204042196U|2014-07-22|2014-07-22|A kind of fixture for leakage coaxial cable|
    PCT/CN2014/093202|WO2015085890A1|2013-12-13|2014-12-05|Leakage coaxial cable fixture and elastomeric sheath used with same|
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