• 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 closure for a cable splice is disclosed which comprises a main sleeve (12) and two end structures (14, 16). One end structure (14) is secured to the sleeve (12) by means of a locking ring (34) screwed onto a cap (32) of the end structure (14). The sleeve (12) has an internal flange (18) and the cap (32) has an external flange (42) which lies adjacent the flange (18) of the sleeve (12). Engagement between the flanges (18. 42) prevents the end structure (14) being withdrawn from the sleeve (12). The end structure (16) is connected to the sleeve (12) by means of a split clamping ring (90) which is held in place by a tightening ring (98). Once the ring (34) has been loosened and slid back, and the clamping ring (90) and tightening ring (98) removed, the sleeve (12) can be slid back over the cable (C1) to provide access to the splice (S).
    公开号:SU1618291A3
    申请号:SU864027233
    申请日:1986-03-13
    公开日:1990-12-30
    发明作者:Трюгве Хвидстен Эрик
    申请人:Эрик Трюгве Хвидстен (ZA)；
    IPC主号:
    专利说明:

    This invention relates to electrical engineering, in particular to cable joints for splicing plastic-encased telephone cables.
    The purpose of the invention is to increase reliability.
    FIG. 1 shows a cable box during operation, a side cut; in fig. 2 - the same, vertical axial section in an enlarged view of the coupling before use; FIGS. 3 and 4 show embodiments of the coupling, a partial section; in fig. 5, 6 and 7 — end assembly, embodiments.
    The cable box 1 comprises a cylindrical tubular body 2 and two end assemblies 3 and 4. FIG. Figure 1 shows that one cable is skipped on the right, and two cables are on the left. In coupling 1 there is an splice or joint which fills the cross section of the housing 2
    At one end of the housing 2 (Fig. 2) there is a flange 5, which is located around the entire inner circumference of the sleeve and is directed radially inward from it. One plane of the flange 5 forms the face surface 6 of the body 2, and the other (indicated by the position 7 in FIG. 2) forms the sealing surface.
    At the other end of the housing 2 there is another flange 8, which is located around the entire circumference of the outer surface of the housing 2 and is directed radially outward from it. The surface 9 of the flange 8 forms another face surface of the body 2 and also serves as a sealing surface. Another surface 10 of the flange 8 has the shape of a truncated cone. Inside the case. 2 is provided with a short end section 11 of larger diameter. In this way, a cylindrical recess for a part of the end assembly 4 is obtained.
    The cap 12 comprises a cylindrical portion 13, which includes a flange 14 at one end. The flange 14 is an outer flange protruding outwardly from the cylindrical part 13. However, the surface of the flange 14 (indicated by the position 15 in FIG. 2) is formed by a circumferential groove 16 in which there is a choking ring 1 7. Sealing ring 17 is shown as a 0-shaped ring, but can be of any convenient type. Flange 14 has
    ten
    15
    25
    thirty
    a2o
    6182914
    outer diameter that exceeds the inner diameter of the flange 5 of the housing 2.
    Next, the cap 12 includes a transverse wall 18, which is made in one piece with the cylindrical part 13. The tube 19 is integrally molded with the wall 18 and is coaxial with the cylindrical part 13. This tube is directed outward from the wall 18 and inward from the wall 18 within the flange 14 .
    The shells 20 and 21 are heat shrinkable on the tube 19. As is clearly shown in FIG. 2, only part of the shell 20 in which the tube 19 is located is subjected to heat shrinking. The remainder of the sheath 20, which still needs to be heat shrunk, acts as a bell from the other end of the tube 19. Similarly, only that portion of the sheath 21 that is already pulled over that portion of the tube 19, which in FIG. 2 is located to the left of the wall 18.
    To increase the reliability of protection against the penetration of moisture into the sleeve and the leakage of air from it, as well as to increase the mechanical strength, the cap 12 is installed so that the flange 14 is on top and the mass of synthetic resin 22 is poured into the cylindrical space that is between the inner cylindrical surface of part 13 and the outer cylindrical surface of this part of the shell 21, which has already been heat shrinked on the tube 19. Wall 18 forms the base of this recess. A portion of the length of the sheath 21, as shown in FIG. 2 is occupied by this resin mass. If the portion 13 is extended to the right of the wall 18, then another resin mass can be formed on the other side of the wall 18.
    A portion of the outer surface of the cylindrical part 13 is threaded and a locking ring 23 is screwed onto this part. The locking ring 23 is provided with a series of notches 24 (Fig. 1) on its outer surface to facilitate use of the tool when tightening and loosening. The ring 23 may be in the form of a hex nut with a number of flat outer planes.
    The end node 4 contains a cap 25 with a transverse end wall 26
    35
    40
    45
    50
    55
    516
    and a short cylindrical part 27. In one piece with the end wall 23, two tubes 28 and 29 are cast, the purpose of which is the same as that of tube 19, the shells that are heat shrinked on tube 28 are indicated by the positions 30 and 31, and , which are heat-shrinkable on tube 29, are at positions 32 and 33. The resin mass is indicated by 34, and the cap is located on the end wall 26 formed by its base in space, which is formed outside the inner cylindrical surface of the cylindrical part 27 and from the inside by two tubes 28 and 29 Internal The end faces of the shells 31 and 32 are embedded in the resin mass 34.
    A flange 35 is located outside the short cylindrical part 27. Flane 35 is similar in shape to flange 8 and includes a surface 36 located in a radial plane, and then a surface 37, having the shape of a truncated cone. The surface 36 has a groove 38 in which the sealing ring 39 is located.
    From the inside of the groove 38, the cylindrical part 27 is extended by a protrusion 40, which enters section 11 to center the cap 25 relative to the body 2.
    Detachable clamping ring 41 consists of two half-rings. In cross section, the ring 41 has an inner groove 42, the side surfaces 43 of which are located at substantially the same angles as the surfaces 10 and 37. In addition, there is a groove 44 on the outer surface of the ring 41.
    The last detail shown in FIG. 1 is a tightening ring 45, which can be of any desired type. The pulling ring 45 is intended to shrink the two half-rings of the ring 41 together in such a manner that it causes the surfaces 9 and 36 to contract so that the sealing ring 39 is compressed.
    We offer a cable grommet that is used as follows.
    The locking ring 23 and then the clutch housing 2 are put on the cable and shifted back in such a way that the cable passes through that end of the housing 2, which has a flange 8.
    0
    2916
    The cable is then passed through the sheath 20, the tube 19 and the sheath 21, while there remains a sufficient portion protruding from the sheath 21 to form an intergrowth.
    After stripping the outer surface of the plastic coating of the cable, sheaths 20 and 21 are thermally bonded so that they tightly enclose the cable. The sheath 20 is shown in the heat shrinkable condition in FIG. one.
    The cables are then passed through the respective shells 30, 28, 31 and
    , 33., 29, 32, in which case a cable section is passed through which is sufficient to obtain a splice. After this, sheaths 30 to 33 are heated and heat shrinkable on the cables. Shells 30 and 33
    0 is shown seated in FIG. one . Splicing the individual wires of the cables is done thereafter. After all the necessary connections have been made, the housing 2 is moved back to
    5 end cap 12 until the surface 9 of the flange 8 engages with the surface 36 of the flange 35 and the surface 1 of the surface 15. Then the locking ring 23 na6 is screwed into the rifled portion of the cylindrical part 13 of the cap 12 and tightened on the surface 6. Ring 17 presses to form an air and water tight seal.
    After that, the two halves of the clamping ring 41 are clamped on the adjacent flanges 8 and 35, so that the inclined surfaces 43 of the ring 41 compress the surfaces 9 and 36 together, clamping the sealing ring 39.
    Finally, the tightening ring 45 is installed around the clamping ring 41 and tightened in order to provide sufficient compression,
    5 sealing ring to form an air and water tight seal between the end cap 25 and the housing 2.
    Consequently, to obtain an additional stitch to the cable splicing, you only need to
    loosen the ring 45 and slide it back onto the cables. In addition, the clamping ring can be completely disassembled and removed. After that, the two halves of the securing ring 41 are removed and the locking ring 23 is unscrewed from the end cap 12. The locking ring 23 is displaced onto the cable from the housing r, 2, which is no longer attached to any.
    five
    Mr. of end nodes. This opens access to the cable splicing.
    To close the case, the housing 2, the locking ring 23, the clamping ring 41 and the pulling ring 45 are installed in accordance with the conditions shown in FIG. 2. End nodes 3 and 4 remain permanently fixed on the cables. Consequently, the cable seals are not broken.
    It may happen that after opening the cable splice, it is necessary to replace the sealing rings 17 and 39. However, these are only the only parts that may have to be replaced. Other parts of the clutch are not damaged when re-accessing the splice.
    To prevent the ingress of moisture (in the form of liquid or vapor) into the sleeve, telephone cables may be subjected to increased pressure. For example, the entire cable can be exposed to a pressure of 0.7 bar. This pressure acts on the end cap 12 and presses the surface 15 to the surface 7, thereby compressing the sealing ring 17. Therefore, even if the locking ring 23 is not sufficiently tightened, the internal pressure provides sufficient compression of the sealing ring 17 to obtain the desired seal. -.
    Figures 1 and 2 show two cables entering one end of the package and a single cable at the other end. This is shown for example only and one or more cables can be passed through each end. To do this, you only need to provide end caps 12 and 25 with the desired number of tubes 9, 28 and 29.
    In order to facilitate the manufacture of the housing 2, a piece of plastic tube can be used to obtain its main part. Face ring when
    brewed to each end of this tube section. One end ring is formed using flange 8 and section 11, and the other includes flange 5. In addition, the end rings can be molded on a length of tube.
    The design described above can be modified in several ways. The housing 2 in FIG. 3 essentially such
    Q
    50
    50
    d
    0
    five
    the same as the housing of FIG. 2 except that its flange 8 has a radial plane 46. The end cap 25 in this embodiment has a flange 35, which is provided with an external thread.
    The clamping ring 4 and the tightening ring 45 are replaced by a locking ring 47 with internal thread, which is screwed onto the flange 35 and grips the flange 8 between itself and the flange 35.
    To secure the housing 2 on the end cap 25, surfaces 9 and 36 are stacked together and the locking ring 47 is screwed onto the threads of the flange 35. The flange 8 is gripped between the flange 35 and the ring 47, thus clamping the thickening ring 39 to obtain sufficient water. airtight seal
    The end assembly 3 (FIG. 3) corresponds to the end assembly of FIG. 2
    FIG. 4, housing 2 consists of two parts 48 and 49. The configuration of the right end of part 48 is the same as that of the right end of the cap 25. The left end of part 49 is the same as in FIG. 2. Parts 48 and 49 are connected together by a clamping ring 41 and a pulling ring 45 of the type used in FIG. 2, for connecting the end assembly 4 to the housing 2.
    In addition, various modifications of the end units 3 and 4 are possible. One such modification is shown in FIG. 5. In this embodiment, the end cap 50 after casting has a disc end wall 51 without openings. To install the tube (equivalent tube 19), a hole is drilled in the end wall 51 and this tube (indicated by reference numeral 52) is passed through the hole. Ultrasonic welding or other means may be used to secure tube 52 to wall 51. Thereafter, the heat-shrinkable shells 53 and 54 are fixed at opposite ends of the tube 52 and the resin is molded 55. Preferably the tube is provided with an outer lip, as shown at position 56, which rests on the wall 51 to install the tube.
    In the embodiment of FIG. 6, the tube 56 is externally threaded and secured to the drilled wall 51 with two nuts 57 and 58.
    In this mass embodiment, the resin 55 is used not only to embed part of the shell, but also nut 58.
    If necessary, the one-piece end cap 12 can be sealed by injection molding into shrinkable material. The sheath 19 is cast in one piece, FIG. 7, has a thin wall. The length of the thin-walled shell 19 is equivalent to the total length of the shells 20 and 21 and the tube 19 (figure 1). For this embodiment, shells 20 and 21 are not required. Both ends of the thin-walled shell sections 19 mechanically expand to a larger diameter after casting, as shown by the stroke. The cable after it has been pulled through the thin-walled jacket is clamped relatively tightly in the central section, but is loosely clamped in the open end sections.
    After pulling the cable through the thin-walled sheath, the end sections of the thin-walled sheath are seated on the cable in the same way as the sheaths 20 and 21 o;
    Modifications of FIG. 5-7 can be used not only for the face assembly 3, but also for the face assembly 4.
    Although the cables are shown and described as a stranded, enclosed telephone cable, the proposed cable splice sleeve can be used for untight cable, cable for optical fibers, rock cable (for data transfer) and cable for power supply. The coupling can also be used for a cable filled with petrolatum.
    The proposed coupling for cable splice can only be used with a new splice. In order to apply this design on the existing splice, the housing 2 of the coupling and both the end assemblies 3 and 4 should be cut lengthwise. After installation on cables, body 2 and face units can be welded with a hot tool or ultrasound, after which body 2 takes on the shape shown.
    权利要求:
    Claims (8)
    [1]
    1. A cable box containing a cylindrical tubular body closed at opposite ends with
    using end nodes, through which the cables pass through the body during use, each end node contains a cap that has a transverse wall with one or more openings for the cable, removable fastening means for releasably connecting the cap of each face
    an assembly with a housing, and means of hermetic sealing, wherein the housing and each cap are arranged to be separated from each other by moving in the direction of the longitudinal axis of the housing after removing the connection means, about one another, in order to increase reliability, the cap of one end assembly is made with a flange directed outwardly, the tubular body at this end is made with a flange designed to interact with the flange of the cap of the said end assembly, the flange at said end
    5 of the tubular body is facing inwards and interacts with the flange of the cap of the said butt assembly, while the flange of said butt assembly is located in the case and has an outer
    0 diameter that is greater than the internal diameter of the housing flange to prevent the end assembly from exiting through the specified end of the tubular housing, the removable fastening means being designed to attract the flanges of the connected parts to each other,
    [2]
    2. Coupling according to claim 1, characterized in that the fastening means at one end of the body is made in the form of a threaded locking ring that is screwed onto the external thread that is protruding
    5-limits of the body section of the cylindrical part.
    [3]
    3. Coupling according to claim 1, whether or not. so that the fasteners at the other end include
    0 a clamping ring consisting of at least two semiring sections with a groove on the inner surface, the side walls of which are located adjacent to the surfaces of the connected
    parts of the coupling, and a device for pressing the sections of the clamping ring radially inward, while the parts are mounted end to end with the closure of their radial planes and have
    On the 16th side of the surface is a truncated cone.
    [4]
    4. Coupling on PP. 1-3, characterized in that the flange on the other end of the tubular body is directed outwards and is installed end to end with the flange of the cap of the end assembly.
    [5]
    5. Coupling according to claim 1, characterized in that the tubular body consists of two parts mounted coaxially to the end face and detachably connected by fastening means, the flange on the other end of the tubular body also faces inwards and interlocks with the flange of the cap of the face assembly, which placed in the housing and having an outer diameter greater than the inner diameter of the flange of the housing to prevent the end assembly from escaping from the tubular housing.
    [6]
    6. Kufta according to claim 1, about tl and h and yu and so that at least one end node contains a tube protruding on both sides of the transverse wall of the cap and forming a hole in the end node, with opposite ends the tubes are in shells of heat shrinkable synthetic
    0
    29
    five
    five
    0
    12
    This plastic material, the plastic material is heat shrinkable over part of the length of the tubes.
    [7]
    7. Coupling pop. 1, characterized in that the cap of at least one end assembly is made with a cylindrical section on its inner surface and has at least one side of the transverse wall a space between said surface and tube, while the space is filled with a mass of synthetic resin, in which - Chan section of the shell.
    I
    [8]
    8. Coupling according to claim 1, characterized in that the cap of at least one face assembly is formed by injection molding in a thermo-shrinkable plastic material and has a thin-walled shell made in one piece with the transverse wall and protruding on both sides of it, the thin-walled shell forms a hole, and the end parts of the shell have a diameter greater than the diameter of the central part as a result of mechanical expansion.
    FIG. one
    25 35 368
    BUT
    No
    41
    53
    -52
    Fig: 5
    ShchSH 51
    I
    and
    56
    51
    55 of FIG. 6
    类似技术:
    公开号 | 公开日 | 专利标题
    SU1618291A3|1990-12-30|Cable connector
    CA1131726A|1982-09-14|Connectors for sealed containers
    US4142592A|1979-03-06|Repairable assembly for protecting a cable junction and method of assembling same
    US4581480A|1986-04-08|Cable splice closure and strain relief
    US3705950A|1972-12-12|Sealed connector box for electrical cables
    US5611636A|1997-03-18|Tension member termination with segmented potting socket and central passage
    US4744622A|1988-05-17|Optical fiber splice case
    US4799307A|1989-01-24|Anchor apparatus for a tendon in prestressed concrete slab
    JPH0772345A|1995-03-17|Joint box for optical cable
    EP0067673B1|1987-01-28|Improvements in the joining of optical fibre cables
    US4647713A|1987-03-03|Pressurized telecommunication cable joint closure method and apparatus
    US4664471A|1987-05-12|Junction box for joining the ends of underwater optical fiber cables by welding
    DK160577B|1991-03-25|PIPE CONDUCTION FOR CABLES, SUCH AS CABLES OR PIPES, AND DEVICE FOR MANUFACTURE OF LIGHTING FOR SUCH IMPLEMENTATION IN A CONCRETE ROAD
    GB2193605A|1988-02-10|Reusable cable joint cover
    US3209069A|1965-09-28|Joint enclosure for joined electric cables
    CA2044585C|1995-07-25|Splice closures
    US5642451A|1997-06-24|Fiberoptic cable junction
    US4928451A|1990-05-29|Anchor apparatus for a tendon in prestressed concrete slab
    US2719876A|1955-10-04|Clamping and sealing device
    GB2046030A|1980-11-05|Sleeve assembly for sealing a joint between two cable ends
    RU2007809C1|1994-02-15|Multipurpose 1-10 kv cable sleeve coupling
    CN1016917B|1992-06-03|Cable splice closures
    WO1999049548A1|1999-09-30|Single-ended joint cable sealing system
    CA1222552A|1987-06-02|Cable splice closure and strain relief
    GB2040603A|1980-08-28|Sealing conduits
    同族专利:
    公开号 | 公开日
    GB8606232D0|1986-04-16|
    EP0194898A3|1989-08-30|
    NO860967L|1986-09-15|
    GB2172449B|1989-06-21|
    CA1260093A|1989-09-26|
    EP0194898B1|1992-07-29|
    DE3686182T2|1993-01-07|
    AU5471086A|1986-09-18|
    FI861024A0|1986-03-12|
    TR24009A|1991-01-28|
    EP0194898A2|1986-09-17|
    FI84769B|1991-09-30|
    ES296412U|1988-06-16|
    DK165571B|1992-12-14|
    JPS61224818A|1986-10-06|
    GB2172449A|1986-09-17|
    IN167271B|1990-09-29|
    BR8601097A|1987-01-13|
    DK116586D0|1986-03-13|
    NO173308B|1993-08-16|
    DK165571C|1993-05-10|
    US4736072A|1988-04-05|
    IL78165A|1991-03-10|
    FI84769C|1992-01-10|
    IL78165D0|1986-07-31|
    AT78959T|1992-08-15|
    DE3686182D1|1992-09-03|
    FI861024A|1986-09-15|
    NO173308C|1993-11-24|
    ES296412Y|1989-02-01|
    DK116586A|1986-09-15|
    MX165139B|1992-10-29|
    AU588288B2|1989-09-14|
    ZA861765B|1986-10-29|
    引用文献:
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    GB2046030A|1979-03-30|1980-11-05|A C Egerton Eng Bromley Ltd|Sleeve assembly for sealing a joint between two cable ends|
    YU40773B|1980-02-06|1986-06-30|Milenko Maricevic|Universal joint box for telecommunication and energy cables, respectively|
    DE3146457A1|1981-11-24|1983-06-30|Walter Rose Gmbh & Co Kg, 5800 Hagen|"SLEEVE HEAD FOR A CABLE SLEEVE WITH A DIVIDED METAL FITTING SHEATH"|
    DE3301362C2|1983-01-18|1986-08-28|ANT Nachrichtentechnik GmbH, 7150 Backnang|Cable distributor or branch|
    EP0121644A1|1983-04-05|1984-10-17|Manfred Laha|Cable entry insertion piece for cable sleeves|
    GB8320947D0|1983-08-03|1983-09-07|British Telecomm|Chamber assembly|
    GB8418619D0|1984-07-20|1984-08-22|Rowthorpe Hellermann Ltd|Cable jointing|GB2188747B|1986-04-03|1990-03-14|Bowthorpe Hellermann Ltd|Cable joint closure|
    GB8617011D0|1986-07-11|1986-08-20|British Telecomm|Reusable cable joint cover|
    DE3643249C2|1986-12-18|1997-10-09|Minnesota Mining & Mfg|Metallic inner sheathing of an electrical cable connection|
    CH675916A5|1987-05-11|1990-11-15|Wild Leitz Ag|
    JPH03233875A|1990-02-07|1991-10-17|Junkosha Co Ltd|Branch connector for shielded cable|
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    DE59302997D1|1992-08-19|1996-07-25|Rxs Schrumpftech Garnituren|Arrangement for multiple cable entries in cable sleeves|
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    FR2723271B1|1994-07-29|1998-01-30|Pirelli Cables Sa|LOW VOLTAGE POWER CABLES CONNECTION ACCESSORY|
    GB9514769D0|1995-07-19|1995-09-20|Raychem Sa Nv|Clamping member|
    US5747742A|1995-10-16|1998-05-05|Lucent Technologies, Inc.|Protective wrapping for spliced cable connectors|
    FR2797353B1|1999-08-04|2001-12-14|Conception & Dev Michelin Sa|ELECTRICAL CONNECTOR USING BODIES PENETRATING IN INSULATION|
    US6918787B2|2002-03-28|2005-07-19|Fallon Egan|In-line connection cover|
    US7044761B2|2003-04-10|2006-05-16|Panduit Corp.|Transparent insulating enclosure|
    US6881901B2|2003-08-21|2005-04-19|Fallon Egan|Connection cover|
    US7131088B2|2003-08-25|2006-10-31|Legend Design Technology, Inc.|Reliability based characterization using bisection|
    CN104898219A|2009-02-26|2015-09-09|戚郁芬|Communication fiber optic cable connection box with elastic rubber shrinkable tube waterproof device|
    US8853563B2|2010-04-16|2014-10-07|Thomas & Betts International, Llc|Cold shrink assembly|
    CN103109221B|2010-09-21|2015-11-25|胡贝尔和茹纳股份公司|The cable branch assembly of environmental sealing|
    US9202612B2|2012-09-28|2015-12-01|Thomas & Betts International, Llc|Cold shrink assembly|
    JP6000059B2|2012-10-25|2016-09-28|株式会社ビスキャス|Exterior wire connecting bracket and exterior iron wire connection method for iron wire exterior cable|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    ZA851921|1985-03-14|
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