• 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:
    The invention relates to a metal clip (1) for electrically connecting a conductive wire to a flat metal element, the metal clip having an S-shaped cross section and consisting of three wings (2a, 2b, 2c), a first wing (2a) and a second flange (2b) defining a first longitudinal housing (3a) to allow attachment of the metal clip to an edge of the flat metal member, the second flange (2b) and the third flange (2c) defining a second longitudinal housing (3b). The second housing (3b) is provided with connection means (5, 6) for receiving the end of the conductive wire and for maintaining electrical contact between the conductive wire and the metal clip.
    公开号:FR3036857A1
    申请号:FR1554952
    申请日:2015-06-01
    公开日:2016-12-02
    发明作者:Nicolas Bernard；Norman Philipp
    申请人:A Raymond SARL；
    IPC主号:
    专利说明:

    [0001] FIELD OF THE INVENTION The invention relates to a metal clip for electrically connecting a conductive wire to a flat metal element. BACKGROUND OF THE INVENTION FR 2 694 141 discloses a grounding clip formed of a one-piece metal plate curved in S so as to define two elastically deformable slots oriented opposite one of the other and separated by a wall. A slot is intended to be engaged on a flat metal support, the other to receive the ground wire. To avoid the stripping operation, the walls of this earthing clip have cutouts folded towards the inside of each slot in order to protrude therefrom and to form knives capable of cutting the insulating sheath of the earth wire. to an adequate depth to ensure electrical contact between the ground wire and the grounding clip. The orientation of the slots and knives requires moving a segment of the ground wire in transverse translation into the slot to cut the insulating sheath and form the electrical contact. This operation is not easy to perform manually, especially when the free space around the clip and the flat metal support is restricted or confined.
    [0002] Once the grounding clip is installed with the ground wire on the metal support, the ground wire extends in a plane substantially parallel to the metal support and in the longitudinal direction of the clip and essentially maintained by the deformation. elastic of the slot in which it is inserted. The ground wire is thus not reliably secured to the earthing clip from which it can easily disengage, by sliding. EP2528166 discloses another known electrical connection clip in which the conductive wire is held in a direction perpendicular to the plane defined by the support. It allows in a single operation to engage the clip on the support and, at the same time, forming the electrical contact with the lead. This characteristic is not always advantageous and it would sometimes be preferable to be able to perform these two steps independently.
    [0003] OBJECT OF THE INVENTION An object of the invention is therefore to provide a metal clip 15 of electrical connection for securely and easily connect a conductive wire. BRIEF DESCRIPTION OF THE INVENTION With a view to achieving this object, the object of the invention proposes a metal clip for electrically connecting a conducting wire to a flat metal element, the metal clip having an S-shaped cross section. and being formed of three wings, a first wing and a second wing defining a first longitudinal housing to allow attachment of the metal clip to an edge of the flat metal member, the second wing and the third wing defining a second longitudinal housing. According to the invention the second housing is provided with connection means for receiving the end of the conductor wire and for maintaining electrical contact between the conductive wire and the metal clip. According to other advantageous and nonlimiting features of the invention, taken alone or in combination: the connection means are arranged to receive the end of the conductive wire in a transverse direction. - The first wing and / or the second wing is provided with at least one cut forming an elastic lug facing inwardly of the first housing to improve the attachment of the metal clip to the flat metal element and its electrical contact. The metal clip consists of a single metal piece and the connection means comprise: a pinch pin formed by cutting into the third wing and facing inwardly of the second housing; a guided opening formed in the third wing for introducing the end of the conductive wire into the second housing and to block it between the pinch pin and the second wing. The pinch nib and the guided opening are arranged on the third wing to allow insertion of the end of the conductive wire towards the bottom of the second housing. The bottom of the second housing is provided with a release opening allowing the conductive wire to protrude from the metal clip. The three wings are each provided with an opening facing each other allowing the passage of a screw; and wherein the wire attachment piece is constituted by a nut cooperating with a screw inserted into the openings to allow the end of the conductive wire to be clamped between the second flange and the nut. The nut is formed of a threaded cylindrical bore projecting from the opening of the third wing and a collapsing flange. At least a portion of the free edges of the third flange are folded inwardly of the second housing to limit the displacement of the nut in the second housing. - The wire attachment piece is formed of a piece 10 protruding through an opening formed on the third flange and provided with a side opening (to receive the end of the conductor wire). a part of the contour of the lateral opening of the protruding part is formed of a blade. the projecting piece is configured to be moved in a direction of depression perpendicular to the plane defined by the third wing or to be rotated. BRIEF DESCRIPTION OF THE DRAWINGS The invention will be better understood in the light of the following description of the particular and nonlimiting embodiments of the invention with reference to the attached figures among which: FIGS. 1a, 2a, 3a and 4a represent four embodiments of the invention; - Figures 1b to illustrate the use of the metal clip 1 of electrical connection of the first embodiment; FIGS. 2b to 2e illustrate the use of the metal clip 1 for electrical connection of the second embodiment; FIGS. 3b to 3e illustrate the use of the electrical connection clip 1 of the third embodiment; - Figures 4b to 4e illustrate the use of the metal clip 1 of electrical connection 1 of the fourth embodiment; DETAILED DESCRIPTION OF THE INVENTION For the sake of simplification of the description to follow, the same references are used for identical elements or ensuring the same function in the various embodiments of the invention.
    [0004] A metal clip 1 of electrical connection according to the invention, as is apparent on each of the embodiments shown in FIGS. 1a, 2a, 3a, and 4a, consists of a metal plate curved in S and therefore having A "S" cross-section. The term "wing" denotes each of the three essentially planar portions of the metal plate defining this S-shape. A first wing 2a and a second wing 2b, integral at a first curved zone. which positions them vis-à-vis, define a first longitudinal housing 3a. This housing is intended to be engaged on an edge of a flat metal element to which it is desired to electrically connect a conductive wire. For this purpose, the distance separating the first wing 2a and the second wing 2b, defined by the dimensions of the first curved zone, is chosen to correspond substantially to the thickness of the flat metal element. The elastic deformation of the first curved zone ensures the maintenance of the metal clip 1 on the flat metal element 35 and their electrical contact. To improve this electrical contact, provision can be made to form on the first flange 2a and / or on the second flange 2b a cutout or a plurality of cutouts for delimiting one or more elastic pins 4 oriented towards the inside of the flange. first housing 3a. The pressing force exerted by the elastic pin 4 contributes to firmly hold the metal clip on the flat metal element. The low penetration of the end of this elastic pin 4 into the metal element by scratch effect during engagement promotes electrical contact. Preferably, a cut is made on each of the two lateral edges of the first wing 2a and the second wing 2b, in order to define four elastic lugs 4, the lugs 4 of the first wing 2a being placed opposite the pins 4 of the second wing 2b. The second wing 2b is integral with a third wing 2c, via a second curved zone positioning these two wings 2b, 2c vis-à-vis, and thus defining a second longitudinal housing 3b. According to the invention, this second housing 3b is provided with connection means for receiving the end of a conductive wire that is to be electrically connected to the flat metal element. These means are configured to receive the end of the conductor wire and maintain the electrical contact between the conductive wire and the metal clip 1.
    [0005] The solution proposed by the invention is advantageous for two reasons. In the first place, it is easier, during a manually performed connection operation, to bring one end of a conductive wire into the connection means, than to slide a section of this wire transversely in translation. housing, as is the case in the first document of the state of the art presented in the preamble. Secondly, the invention makes it possible to separate the engagement of the first housing 3a from the metal clip 1 on the flat metal element of the electrical connection of the conductive wire to the connection means. This feature may be an advantage when the free space around the clip and the flat metal member is restricted or confined. Preferably, the connection means are configured to receive the end of the conductive wire in a direction transverse to the metal clip 1. By "transverse direction to the metal clip", denotes any direction having a transverse component vis-à-vis -vis the clip for the approach and the introduction of the conductive wire into the connection means and such that the flat metal element does not constitute an inconvenience. Thus, it may be a direction 10 having an angle of +/- 60 ° vis-à-vis the normal to the longitudinal direction of the clip, and preferably an angle of +/- 30 ° vis à vis of this normal. Advantageously, the end of the conductive wire is introduced into the connection means in a direction from the opening to the bottom of the second housing 3b. FIG. 1 shows a first embodiment of the invention according to which the connection means comprise: a pinch pin 5 formed by cutting in the third wing 2c, and oriented towards the inside of the second housing 3b, and - A guided opening 6 formed in the third wing 2c for introducing the end of the conductive wire in the second housing 3b and block between the pinch pin 5 and the second wing 2b.
    [0006] As shown in FIG. 1a, the pinch pin 5 and the guided opening 6 are arranged on the third wing 2c to allow insertion of the lead wire towards the bottom of the second housing 3b. However, it is possible to arrange these two elements to allow the introduction of the conductive wire in the opposite direction. 3036857 - 8 - The bottom of the housing 3b may be provided with a release opening 7 allowing the conductive wire to protrude from the metal clip 1 and allowing its possible subsequent extraction.
    [0007] Figures 1b to 1c illustrate the use of the electrical connection clip 1 of the first embodiment. In a first step, the metal clip 1 is assembled to the flat metal member by engaging the first housing 3a on an outer edge thereof. Engagement of the clip can be done manually or with the aid of a tool, such as a hammer for example. The lugs 4 exert a bearing force on the flat metal element and, by scratch effect, their ends penetrate into the material of this metal element which contributes to establishing the electrical contact.
    [0008] In a second step, shown in FIG. 1d, the stripped end of a conductive wire is introduced manually into the guided opening 6. This opening is configured to guide the advancement of the conductive wire towards the ergot pinch 5. The advancement of the lead leads to the raising of this lug allowing the progression of the stripped portion of the wire towards the bottom of the housing. When the latter is provided with a release opening 7, the conducting wire may continue to progress, for example until the insulating sheath comes into abutment with the guided opening 6 as shown in FIG. . Once positioned, the stripped portion of the conductor wire is kept in electrical contact with the metal clip 1 30 by pinching the pin 5. The slight penetration of the pinch pin in the conductive wire prevents the extraction of this pin. conductive thread. Consequently, the disengagement of the wire from the metal clip 1 requires cutting of the wire, for example by means of a cutting pliers, at the level of the guided opening 6, in order to allow the extraction of the segment of the residual wire. This first embodiment is advantageous in that it allows the conductive wire to be connected to the flat metal element without the need for tools. In addition, the metal clip 1 according to this first embodiment consists of a single metal part, which makes its manufacture particularly simple. The following three other embodiments of the invention are distinguished from the first embodiment in that the connecting means of the metal clip 1 are constituted by a fastener of the conductive wire, placed in the second housing 3b. Thus, according to the second embodiment of the invention shown in FIG. 2a, the fixing part of the conductive wire 15 consists of a nut 9. The wings 2a, 2b, 2c are each provided with an opening 8a, 8b, 8c facing each other allowing the passage of a screw 9 ', and of which only the opening 8c of the wing 2c is visible in Figure 2a.
    [0009] The nut 9 may be formed of a threaded cylindrical bore 9a, configured to cooperate with the screw 9 ', and a crush collar 9b. To prevent the nut 9 escaping by sliding of the second housing 3b, the cylindrical bore 9a protrudes from the opening 8c of the third wing 2c. At least a portion of the free edges of the third wing 2c is folded inwardly of the second housing 3b thus forming a stop for the crush collar to block the rotation of the nut 9 during the installation of the screw 9 '. Figures 2b to 2e illustrate the use of the metal clip 1 of electrical connection of the second embodiment. Similarly to the first embodiment, the metal clip 1 is attached to the flat metal member. However, in this second embodiment, the planar metal element is provided with a passage opening of a screw and the clip 1 mounted to align this opening to the openings 8a, 8b, 8c. In a second step, shown in Figure 2d, the screw 9 'is inserted into the metal clip 1 which leads to clear a free space in the second housing 3b between the nut 9 and the second wing 2b. The screw can be partially screwed onto the nut 9. The stripped end of the conductor wire can then be introduced into the free space of the second housing 3b.
    [0010] In a last step shown in FIG. 2e, the complete screwing of the screw 9 'leads to advance the nut 9 in the direction of the second flange 2b in order to crush the wire between the nut 9 (and in particular against the flange 9b) and the second wing 2b of the metal clip 1. This second embodiment is advantageous in that it allows to easily disconnect the wire of the metal clip 1 by simply unscrewing the screw 9 '.
    [0011] The two other embodiments of the invention which will be presented are distinguished from the previous modes, in that they can allow the electrical contact of a conductive wire without it having been previously stripped. For this purpose, and as shown in FIGS. 3a and 4a, the wire attachment piece is formed of a projecting piece 10 through an opening 8c formed on the third wing 2c.
    [0012] The protruding part 10 is provided with a lateral opening 11 oriented to receive the end of the conductive wire in a direction transverse to the metal clips 1. The protruding part 10 can be moved so as to allow the pinching of the conductive wire between the outline of the opening 11 and a surface of the third wing 2c.
    [0013] Advantageously, at least a portion of the contour of the lateral opening 11 of the projecting piece 10 is sharpened to form a blade 12 for cutting the insulating sheath of the conductive wire and bringing the conductive wire and the clip into electrical contact. In the third embodiment of the invention shown in FIG. 3a, the projecting piece has two L-shaped flanks 14a, 14b integral with an upper part of the projecting piece 10 at the levels of elastically deformable connections. These two flanks 14a, 14b are forced against the edges of the cutout forming the opening 8c, which keeps the projecting piece 10 in position. The projecting piece 10 can be moved in a direction of depression perpendicular to the plane defined by the third wing 2c, to place it in a locking position. Optionally and advantageously, the locking of the protruding part 10 can be improved in this electrical contact position by means of surface patterns 15, such as ribs, formed on the sidewalls 14a, 14b of the protruding part 10. to accommodate the protruding edges of the cutout forming the opening 8c. Figs. 3b to 3e illustrate the use of the electrical connection clip 1 of the third embodiment. Similarly to the previous mode, the metal clip 1 is attached to the flat metal member, as shown in Figure 3b. In a second step, shown in FIG. 3c and 3d, the end of the conductive wire, which may or may not be stripped, is introduced into the opening 11 of the protruding part 10. In a last step, represented in FIG. 3rd, the projecting piece 10 is moved in the direction of depression, manually or with the aid of a tool such as a screwdriver or a hammer, and placed in the locking position via the elastic support flanks 14a, 14b on the edges of the cutout forming the opening 8c, and possibly 3036857 - 12 - by housing the projecting edges of the cutout forming the opening 8a in the patterns 15 formed on the flanks 14a, 14b.
    [0014] During this movement, the blade 12 cuts the insulating sheath of the conductive wire and comes into electrical contact with this wire. The fourth embodiment of the invention, shown in FIG. 4a, forms a variant of the third embodiment that has just been presented. In this fourth embodiment, the projecting piece 10 has a circular section allowing it to move in rotation in the housing 3b. For this purpose, the protruding part 10 is provided with an imprint on its upper part for the positioning of a screwdriver or a similar tool. An abutment device 13 makes it possible to limit the rotation of the protruding part between a position of insertion of the wire and a position 20 of blocking. The lateral opening 11 is oblong in shape, ramp. Its dimension is sufficient to receive the end of the conductive wire in a transverse direction when a projecting piece 10 is oriented in its insertion position. Figs. 4b to 4e illustrate the use of the electrical connection clip 1 of the fourth embodiment. Similar to the previous mode, the metal clip 1 is attached to the planar metal member as shown in Fig. 4b.
    [0015] In a second step, shown in FIG. 4c and 4d, the projecting portion 10 is advantageously oriented in an insertion position making it possible to bring the end of the conductive wire in the direction transverse to the metal clip 1 and place it in the lateral opening 11 oblong ramp. In a last step shown in FIG. 4e, the projecting piece 10 is rotated by means of a tool, in order to place it in the locking position. This rotation causes the cutting of the insulating sheath through the blade 12 formed on the ramp of the lateral opening 11, and the electrical contact of the conductive wire 10 with the metal clip 1. The metal clip 1 fixing is easily achievable from a sheet or flat and thin metal plate, by stamping, folding and / or cutting operations. The clip, once produced, can be subjected to heat treatments to enhance its mechanical characteristics and undergo surface treatments.
    权利要求:
    Claims (15)
    [0001]
    CLAIMS1 metal clip (1) for electrically connecting a conductive wire to a flat metal element, the metal clip having an S-shaped cross section and consisting of three wings (2a, 2b, 2c), a first flange (2a) and a second flange (2b) defining a first longitudinal housing (3a) to allow attachment of the metal clip to an edge of the flat metal member, the second flange (2b) and the third flange (2c) defining a second longitudinal housing ( 3b), the metal clip being characterized in that the second housing (3b) is provided with connection means (5, 6; 9, 10) for receiving the end of the conductive wire and for maintaining electrical contact between the conductive wire and the metal clip.
    [0002]
    2. Metal clip (1) according to the preceding claim wherein the connecting means (5, 6; 9, 10) are arranged to receive the end of the conductive wire in a transverse direction.
    [0003]
    3. metal clip (1) according to one of the two preceding claims wherein the first flange (2a) and / or the second flange (2b) is provided with at least one cut forming a resilient lug (4) facing the l interior of the first housing (3a) to improve the attachment of the metal clip (1) to the flat metal element and the electrical contact.
    [0004]
    4 metal clip (1) according to one of the preceding claims wherein the connection means comprise: - a pinch pin (5) formed by cutting in the third flange (2c) and oriented towards the inside of the second housing (3b ) - a guided opening (6) formed in the third flange (2c) for introducing the end of the conductive wire into the second housing (3b) and to block it between the pinch pin (5) and the second wing (2b). 3036857 - 15 -
    [0005]
    5. Metal clip (1) according to the preceding claim consisting of a single metal part.
    [0006]
    6. Metal clip (1) according to the preceding claim wherein the pinch pin (5) and the guided opening (6) are arranged on the third flange (2c) to allow the introduction of the end of the wire conductor towards the bottom of the second housing (3b). 10
    [0007]
    7. Metal clip (1) according to the preceding claim wherein the bottom of the second housing (3b) is provided with a release opening (7) allowing the conductive wire to protrude from the metal clip (1). 15
    [0008]
    8. Metal clip (1) according to one of claims 1 to 3 wherein the connecting means comprises a wire fixing part (9, 10) in the second housing (3b).
    [0009]
    9. Metal clip (1) according to the preceding claim wherein the three wings (2a, 2b, 2c) are each provided with an opening (8a, 8b, 8c) facing each other allowing the passage of a screw; and wherein the wire attachment piece is constituted by a nut (9) cooperating with a screw (9 ') inserted into the openings (8a, 8b, 8c) to allow pinching of the end of the conductive wire between the second wing (2b) and the nut (9).
    [0010]
    10. Metal clip (1) according to the preceding claim wherein the nut (9) is formed of a threaded cylindrical bore (9a) projecting from the opening (8c) of the third wing (2c) and a crush collar (9b).
    [0011]
    11. Metal clip (1) according to the preceding claim wherein at least a portion of the free edges of the third wing (2c) are folded inwardly of the second housing (3b) to limit the displacement of the nut ( 9) in the second housing (3b). 3036857 - 16 -
    [0012]
    A metal clip (1) according to claim 8 wherein the wire attachment piece is formed with a protruding piece (10) through an opening (8c) formed on the third flange (2c), the protruding piece (10). ) being provided with a lateral opening (11) for receiving the end of the conductive wire, the projecting piece (10) being displaceable so as to allow the conductive wire to be clamped between the contour of the opening of the protruding piece (10) and a surface of the third wing (2c). 10
    [0013]
    13. Metal clip (1) according to the preceding claim wherein at least a portion of the contour of the lateral opening (11) of the projecting piece (10) is formed of a blade (12) for cutting a sheath insulating conductor wire 15 and the electrical contact of the conductive wire and the metal clip (1).
    [0014]
    The metal clip of claim 12 or 13 wherein the projection (10) is configured to be moved in a direction of depression perpendicular to the plane defined by the third wing (2c).
    [0015]
    The metal clip (1) according to claim 12 or 13 wherein the projection (10) is configured to be rotated.
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    同族专利:
    公开号 | 公开日
    FR3036857B1|2017-07-07|
    MX2017015584A|2018-09-26|
    EP3304648A1|2018-04-11|
    CA2987825A1|2016-12-08|
    WO2016193615A1|2016-12-08|
    ES2734265T3|2019-12-05|
    CN106207524A|2016-12-07|
    US10141662B2|2018-11-27|
    US20180159249A1|2018-06-07|
    CN106207524B|2020-05-22|
    PT3304648T|2019-08-01|
    CN206282991U|2017-06-27|
    PL3304648T3|2019-11-29|
    TR201910064T4|2019-08-21|
    EP3304648B1|2019-05-29|
    JP2018516440A|2018-06-21|
    BR112017025829A2|2018-08-14|
    引用文献:
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    FR3036857B1|2015-06-01|2017-07-07|A Raymond Et Cie|METAL CLIP FOR THE ELECTRICAL CONNECTION OF A CONDUCTIVE WIRE TO A METALLIC ELEMENT|FR3036857B1|2015-06-01|2017-07-07|A Raymond Et Cie|METAL CLIP FOR THE ELECTRICAL CONNECTION OF A CONDUCTIVE WIRE TO A METALLIC ELEMENT|
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    US20190074674A1|2017-09-06|2019-03-07|Hubbell Incorporated|Cable Clips|
    CN109546066B|2018-12-05|2021-12-17|昆山长盈精密技术有限公司|Connecting system and bracket assembly for battery module|
    法律状态:
    2016-06-27| PLFP| Fee payment|Year of fee payment: 2 |
    2016-12-02| PLSC| Search report ready|Effective date: 20161202 |
    2017-06-21| PLFP| Fee payment|Year of fee payment: 3 |
    2018-06-26| PLFP| Fee payment|Year of fee payment: 4 |
    2020-06-19| PLFP| Fee payment|Year of fee payment: 6 |
    2021-06-22| PLFP| Fee payment|Year of fee payment: 7 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1554952A|FR3036857B1|2015-06-01|2015-06-01|METAL CLIP FOR THE ELECTRICAL CONNECTION OF A CONDUCTIVE WIRE TO A METALLIC ELEMENT|FR1554952A| FR3036857B1|2015-06-01|2015-06-01|METAL CLIP FOR THE ELECTRICAL CONNECTION OF A CONDUCTIVE WIRE TO A METALLIC ELEMENT|
    BR112017025829-3A| BR112017025829A2|2015-06-01|2016-06-01|metal clamp for the electrical connection of a lead wire to a metal element|
    PCT/FR2016/051303| WO2016193615A1|2015-06-01|2016-06-01|Metal clip for electrically connecting a conductive wire to a metal element|
    CN201610380543.XA| CN106207524B|2015-06-01|2016-06-01|Electrical connection metal clip from wire to metal component|
    MX2017015584A| MX2017015584A|2015-06-01|2016-06-01|Metal clip for electrically connecting a conductive wire to a metal element.|
    PL16733160T| PL3304648T3|2015-06-01|2016-06-01|Metal clip for electrically connecting a conductive wire to a metal element|
    PT16733160T| PT3304648T|2015-06-01|2016-06-01|Metal clip for electrically connecting a conductive wire to a metal element|
    CA2987825A| CA2987825A1|2015-06-01|2016-06-01|Metal clip for electrically connecting a conductive wire to a metal element|
    US15/578,583| US10141662B2|2015-06-01|2016-06-01|Metal clip for electrically connecting a conductive wire to a metal element|
    EP16733160.2A| EP3304648B1|2015-06-01|2016-06-01|Metal clip for electrically connecting a conductive wire to a metal element|
    CN201620521709.0U| CN206282991U|2015-06-01|2016-06-01|Electrical connection metal wire clamp from wire to metal assembly|
    JP2017562285A| JP2018516440A|2015-06-01|2016-06-01|Metal clip for electrical connection of conductors to metal elements|
    ES16733160T| ES2734265T3|2015-06-01|2016-06-01|Metallic clip of electrical connection of a conductor cable to a metallic element|
    TR2019/10064T| TR201910064T4|2015-06-01|2016-06-01|Metal clip for electrically connecting a conductive wire to a metal element|
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