WO2021164411A1 - 汽车线束用夹持件 - Google Patents

汽车线束用夹持件 Download PDF

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Publication number
WO2021164411A1
WO2021164411A1 PCT/CN2020/138611 CN2020138611W WO2021164411A1 WO 2021164411 A1 WO2021164411 A1 WO 2021164411A1 CN 2020138611 W CN2020138611 W CN 2020138611W WO 2021164411 A1 WO2021164411 A1 WO 2021164411A1
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Prior art keywords
clamping
wire harness
piece
bayonet
fixing
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PCT/CN2020/138611
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English (en)
French (fr)
Inventor
邓春燕
徐明明
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佛发(昆山)汽车配件有限公司
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Publication of WO2021164411A1 publication Critical patent/WO2021164411A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs

Definitions

  • the utility model belongs to the technical field of automobile wiring harnesses, in particular to a clamping piece for automobile wiring harnesses.
  • Wiring harnesses are widely used in current industrial production. Wiring harnesses are wiring components that connect electrical equipment in circuits. They are composed of insulating sheaths, wiring terminals, wires, etc. The application of wiring harnesses in automobiles is particularly important.
  • Automobile wiring harness is the main body of the automobile circuit network, which connects the electrical and electronic components of the automobile and makes it function. Without the wiring harness, there is no automobile circuit. At present, whether it is a high-end luxury car or an economical ordinary car, the form of the wiring harness is basically the same. It is composed of wires, connectors and wrapping tapes. It must ensure the transmission of electrical signals and the connection of the circuit. Reliability, supply the specified current value to the electronic and electrical components, prevent electromagnetic interference to the surrounding circuits, and eliminate electrical short circuits.
  • the main technical problem solved by the utility model is to provide a clamping piece for automobile wiring harness, which can not only realize the rapid fixation and disassembly of automobile wiring harness, but also improve the maintenance efficiency; it can also effectively avoid the loosening of the wiring harness and ensure the maintenance of various electrical parts of the automobile.
  • the normal and safe operation can improve the service life of automobile wiring harness, which is convenient for wide promotion and use.
  • a technical solution adopted by the present utility model is: a clamping piece for automobile wire harness, including a wire harness frame body, the wire harness frame body is provided with a fixing part for fixing the wire harness, the wire harness frame body has Harness groove for threading the wiring harness;
  • the fixing portion includes a fixing piece and a bayonet, one end of the fixing piece is connected with the wire harness frame body through an elastic piece, and the other end of the fixing piece has a claw movably connected with the bayonet;
  • the bayonet includes a first card, a second card, a third card, and a fourth card.
  • the first card, the second card, the third card, and the fourth card An accommodating opening for accommodating the claws is formed between the clamping plates; the first clamping plate and the third clamping plate are parallel to each other and have the same height, and the second clamping plate and the fourth clamping plate are parallel to each other and Contour
  • the elastic piece has opposite upper and lower surfaces, one end of the upper surface and the fixing piece form a first concave surface, and the other end of the upper surface and the wire harness frame body form a first concave surface.
  • Two concave surfaces, one end of the lower surface is planarly connected with the upper end of the fixing piece, and the connection between the other end of the lower surface and the side wall of the wire harness frame body forms a third concave surface;
  • the side wall of the claw has a limit block that limits the separation of the claw from the bayonet, the limit block has a clamping protrusion, the second clamping plate has a clamping hole, and the clamping The convex point is matched and clamped with the clamping hole.
  • the fixing piece is provided with two limiting strips, and the two limiting strips are symmetrically located on both sides of the length direction of the claw.
  • the second card board has a first guide inclined surface that facilitates the smooth insertion of the claw into the bayonet on the side wall of the fourth card board.
  • the fourth clamping plate has a second guiding inclined surface that facilitates the smooth insertion of the claw into the bayonet on the side wall of the second clamping plate.
  • the limiting block has a third guiding inclined surface that matches with the first guiding inclined surface.
  • the arc of the first concave surface is 90°.
  • the arc of the second concave surface is 92°.
  • the arc of the third concave surface is 93°.
  • the elastic connecting sheet is a polypropylene connecting sheet.
  • the fixing piece of the present invention and the wire harness frame body are connected by an elastic piece, which is not easy to be broken when bent, has good durability, and is beneficial to improve the safety of the wire harness in the wire groove;
  • the pawl of the present invention has a limit block, which is beneficial to avoid loosening and separation of the claw from the bayonet, and when the claw is inserted into the bayonet, the clamping convex point of the limit block and the second card plate
  • the structural design of the clamping hole further prevents the claw from being loosened and separated from the bayonet, and improves the stability of the fixing of the wire harness in the wire harness groove.
  • Figure 1 is one of the schematic diagrams of the overall structure of the utility model (in use state);
  • Figure 2 is the second schematic diagram of the overall structure of the utility model (unused state);
  • Figure 3 is an enlarged view of part A of Figure 2;
  • Figure 4 is an enlarged view of part B of Figure 2;
  • Figure 5 is the third schematic diagram of the overall structure of the utility model (unused state).
  • Fig. 6 is an enlarged view of part C of Fig. 5;
  • Figure 7 is the fourth schematic diagram of the overall structure of the utility model (unused state).
  • Embodiment A clamping piece for automobile wiring harness, as shown in Figs. Set the wire harness slot 2 of the wire harness;
  • the fixing part includes a fixing piece 3 and a bayonet 4, one end of the fixing piece is connected to the wire harness frame body through an elastic piece 5, and the other end of the fixing piece has a claw 6 movably connected to the bayonet ;
  • the bayonet includes a first card board 41, a second card board 42, a third card board 43, and a fourth card board 44, the first card board, the second card board, the third card board and An accommodating opening for accommodating the claws is formed between the fourth card; the first card and the third card are parallel to each other and have the same height, and the second card and the fourth card The boards are parallel to each other and have the same height;
  • the elastic sheet has an upper surface 51 and a lower surface 52 opposite to each other.
  • the connection between one end of the upper surface and the fixing sheet forms a first concave surface 53, and the other end of the upper surface is connected to the wire harness frame body.
  • a second concave surface 54 is formed at a position, one end of the lower surface is planarly connected with the upper end of the fixing piece, and a third concave surface 55 is formed at the connection between the other end of the lower surface and the side wall of the wire harness frame body;
  • the side wall of the claw has a limit block 61 that limits the separation of the claw from the bayonet, the limit block has a clamping protrusion 611, the second clamping plate has a clamping hole 421, so The latching convex point is matched and latched with the latching hole.
  • the fixing piece is provided with two limiting strips 7, and the two limiting strips are symmetrically located on both sides of the length direction of the claw.
  • the side wall of the second clamping plate opposite to the fourth clamping plate has a first guiding inclined surface 8 which facilitates the smooth insertion of the claw into the bayonet.
  • the side wall of the fourth clamping plate opposite to the second clamping plate has a second guiding inclined surface 9 which facilitates the smooth insertion of the claw into the bayonet.
  • the limiting block has a third guiding inclined surface 10 matching the first guiding inclined surface.
  • the arc ⁇ 1 of the first concave surface is 90°.
  • the arc ⁇ 2 of the second concave surface is 92°.
  • the arc ⁇ 3 of the third concave surface is 93°.
  • the elastic connecting piece is a polypropylene connecting piece.
  • the fixing piece of the utility model and the wire harness frame body are connected by an elastic piece, which is not easy to be broken when bent, has good durability, and is beneficial to improve the safety of the wire harness in the wire groove;
  • the clamping claw of the utility model has a limiting block, which is beneficial to avoid loosening and detaching of the clamping claw from the bayonet, and when the clamping claw is inserted into the bayonet, the clamping convex point of the limiting block and the clamping of the second clamping plate
  • the structural design of the connection hole further avoids the loosening and separation of the claw and the bayonet, and improves the stability of the fixing of the wire harness in the wire harness groove.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Installation Of Indoor Wiring (AREA)

Abstract

一种汽车线束用夹持件，包括线束架本体(1)，线束架本体(1)设有用于固定线束的固定部；固定部包括固定片(3)以及卡口(4)，固定片(3)的一端与线束架本体(1)通过弹性片(5)连接，固定片(3)的另一端具有与卡口(4)活动连接的卡爪(6)；弹性片(5)具有相对的上表面(51)和下表面(52)，上表面(51)的一端与固定片(3)的连接处形成第一凹面(53)，上表面(51)的另一端与线束架本体(1)的连接处形成第二凹面(54)，下表面(52)的一端与固定片(3)的上端平面连接，下表面(52)的另一端与线束架本体(1)的侧壁的连接处形成第三凹面(55)；卡爪(6)的侧壁具有限制卡爪(6)与卡口(4)分离的限位块(61)，限位块(61)具有卡接凸点(611)，卡口(4)的第二卡板(42)具有卡接孔(421)，卡接凸点(611)与卡接孔(421)匹配卡接。该夹持件能够实现汽车线束的快速固定和拆卸，有利于提高检修效率。

Description

汽车线束用夹持件 技术领域
本实用新型属于汽车线束技术领域，特别是涉及一种汽车线束用夹持件。
背景技术
线束在目前的工业生产中应用非常广泛，线束是电路中连接各电器设备的接线部件，由绝缘护套、接线端子、导线等组成，线束在汽车上的应用尤其重要。
汽车线束是汽车电路的网络主体，连接汽车的电气电子部件并使之发挥功能，没有线束也就不存在汽车电路。在目前，不管是高级豪华汽车还是经济型普通汽车，线束编成的形式基本上是一样的，都是由电线、联插件和包裹带组成，它既要确保传送电信号，也要保证连接电路的可靠性，向电子电气部件供应规定的电流值，防止对周围电路的电磁干扰，并要排除电器短路。
目前在汽车制造过程中，通常生产人员会将一些靠近的线束采用胶带与其他线束捆绑在一起进行简单的固定；这样的线束固定装置在长时间的使用过程中，会出现线束老化后线路故障问题，而且这样的线束固定装置固定的强度不高，常常会因为震动或其他原因出现拉扯断裂的现象，不能很好的保证汽车各电器部件的平稳安全使用。
实用新型内容
本实用新型主要解决的技术问题是提供一种汽车线束用夹持件，不仅能够实现汽车线束的快速固定和拆卸，有利于提高检修效率；还能有效避免线束发生松动，保证汽车各电器部的正常安全运行，提高汽车线束的使用寿命，便于广泛推广和使用。
为解决上述技术问题，本实用新型采用的一个技术方案是：一种汽车线束用夹持件，包括线束架本体，所述线束架本体设有用于固定线束的固定部，所述线束架本体具有用于穿设线束的线束槽；
所述固定部包括固定片以及卡口，所述固定片的一端与所述线束架本体通过弹性片连接，所述固定片的另一端具有与所述卡口活动连接的卡爪；
所述卡口包括第一卡板、第二卡板、第三卡板和第四卡板，所述第一卡板、所述第二卡板、所述第三卡板和所述第四卡板之间形成有容纳所述卡爪的容纳口；所述第一卡板和所述第三卡板相互平行且等高，所述第二卡板与所述第四卡板相互平行且等高；
所述弹性片具有相对的上表面和下表面，所述上表面的一端与所述固定片的连接处形成第 一凹面，所述上表面的另一端与所述线束架本体的连接处形成第二凹面，所述下表面的一端与所述固定片的上端平面连接，所述下表面的另一端与所述线束架本体的侧壁的连接处形成第三凹面；
所述卡爪的侧壁具有限制所述卡爪与所述卡口分离的限位块，所述限位块具有卡接凸点，所述第二卡板具有卡接孔，所述卡接凸点与所述卡接孔匹配卡接。
本实用新型为解决其技术问题所采用的进一步技术方案是：
进一步地说，所述固定片设有两个限位条，两个所述限位条对称位于所述卡爪的长度方向的两侧。
进一步地说，所述第二卡板相对所述第四卡板的侧壁具有便于所述卡爪顺利插入所述卡口的第一导向斜面。
进一步地说，所述第四卡板相对所述第二卡板的侧壁具有便于所述卡爪顺利插入所述卡口的第二导向斜面。
进一步地说，所述限位块具有与所述第一导向斜面相匹配的第三导向斜面。
进一步地说，所述第一凹面的弧度为90°。
进一步地说，所述第二凹面的弧度为92°。
进一步地说，所述第三凹面的弧度为93°。
进一步地说，所述弹性连接片为聚丙烯材质连接片。
本实用新型的有益效果至少具有以下几点：
1、本实用新型的固定片和线束架本体通过弹性片连接，该弹性片弯折时，不易被折断，耐用性好，利于提高过线槽内线束的安全性；
2、本实用新型的卡爪具有限位块，限位块利于避免卡爪与卡口发生松动脱离，且当卡爪插于卡口后，限位块的卡接凸点和第二卡板的卡接孔的结构设计进一步避免卡爪与卡口发生松动脱离，提高线束在线束槽内固定的稳定性。
附图说明
图1是本实用新型的整体结构示意图之一(使用状态)；
图2是本实用新型的整体结构示意图之二(未使用状态)；
图3是图2的A部放大图；
图4是图2的B部放大图；
图5是本实用新型的整体结构示意图之三(未使用状态)；
图6是图5的C部放大图；
图7是本实用新型的整体结构示意图之四(未使用状态)；
附图中各部分标记如下：
线束架本体1、线束槽2、固定片3、卡口4、第一卡板41、第二卡板42、卡接孔421、第三卡板43、第四卡板44、弹性片5、上表面51、下表面52、第一凹面53、第二凹面54、第三凹面55、卡爪6、限位块61、卡接凸点611、限位条7、第一导向斜面8、第二导向斜面9、第三导向斜面10、第一凹面的弧度α1、第二凹面的弧度α2和第三凹面的弧度α3。
具体实施方式
下面结合附图对本实用新型的较佳实施例进行详细阐述，以使本实用新型的优点和特征能更易于被本领域技术人员理解，从而对本实用新型的保护范围做出更为清楚明确的界定。
实施例：一种汽车线束用夹持件，如图1-图7所示，包括线束架本体1，所述线束架本体设有用于固定线束的固定部，所述线束架本体具有用于穿设线束的线束槽2；
所述固定部包括固定片3以及卡口4，所述固定片的一端与所述线束架本体通过弹性片5连接，所述固定片的另一端具有与所述卡口活动连接的卡爪6；
所述卡口包括第一卡板41、第二卡板42、第三卡板43和第四卡板44，所述第一卡板、所述第二卡板、所述第三卡板和所述第四卡板之间形成有容纳所述卡爪的容纳口；所述第一卡板和所述第三卡板相互平行且等高，所述第二卡板与所述第四卡板相互平行且等高；
所述弹性片具有相对的上表面51和下表面52，所述上表面的一端与所述固定片的连接处形成第一凹面53，所述上表面的另一端与所述线束架本体的连接处形成第二凹面54，所述下表面的一端与所述固定片的上端平面连接，所述下表面的另一端与所述线束架本体的侧壁的连接处形成第三凹面55；
所述卡爪的侧壁具有限制所述卡爪与所述卡口分离的限位块61，所述限位块具有卡接凸点611，所述第二卡板具有卡接孔421，所述卡接凸点与所述卡接孔匹配卡接。
所述固定片设有两个限位条7，两个所述限位条对称位于所述卡爪的长度方向的两侧。
所述第二卡板相对所述第四卡板的侧壁具有便于所述卡爪顺利插入所述卡口的第一导向斜面8。
所述第四卡板相对所述第二卡板的侧壁具有便于所述卡爪顺利插入所述卡口的第二导向斜面9。
所述限位块具有与所述第一导向斜面相匹配的第三导向斜面10。
所述第一凹面的弧度α1为90°。
所述第二凹面的弧度α2为92°。
所述第三凹面的弧度α3为93°。
所述弹性连接片为聚丙烯材质连接片。
本实用新型的工作原理如下：
本实用新型的固定片和线束架本体通过弹性片连接，该弹性片弯折时，不易被折断，耐用性好，利于提高过线槽内线束的安全性；
本实用新型的卡爪具有限位块，限位块利于避免卡爪与卡口发生松动脱离，且当卡爪插于卡口后，限位块的卡接凸点和第二卡板的卡接孔的结构设计进一步避免卡爪与卡口发生松动脱离，提高线束在线束槽内固定的稳定性。
以上所述仅为本实用新型的实施例，并非因此限制本实用新型的专利范围，凡是利用本实用新型说明书及附图内容所作的等效结构变换，或直接或间接运用在其他相关的技术领域，均同理包括在本实用新型的专利保护范围内。

Claims (9)

  1. 一种汽车线束用夹持件，其特征在于：包括线束架本体(1)，所述线束架本体设有用于固定线束的固定部，所述线束架本体具有用于穿设线束的线束槽(2)；
    所述固定部包括固定片(3)以及卡口(4)，所述固定片的一端与所述线束架本体通过弹性片(5)连接，所述固定片的另一端具有与所述卡口活动连接的卡爪(6)；
    所述卡口包括第一卡板(41)、第二卡板(42)、第三卡板(43)和第四卡板(44)，所述第一卡板、所述第二卡板、所述第三卡板和所述第四卡板之间形成有容纳所述卡爪的容纳口；所述第一卡板和所述第三卡板相互平行且等高，所述第二卡板与所述第四卡板相互平行且等高；
    所述弹性片具有相对的上表面(51)和下表面(52)，所述上表面的一端与所述固定片的连接处形成第一凹面(53)，所述上表面的另一端与所述线束架本体的连接处形成第二凹面(54)，所述下表面的一端与所述固定片的上端平面连接，所述下表面的另一端与所述线束架本体的侧壁的连接处形成第三凹面(55)；
    所述卡爪的侧壁具有限制所述卡爪与所述卡口分离的限位块(61)，所述限位块具有卡接凸点(611)，所述第二卡板具有卡接孔(421)，所述卡接凸点与所述卡接孔匹配卡接。
  2. 根据权利要求1所述的汽车线束用夹持件，其特征在于：所述固定片设有两个限位条(7)，两个所述限位条对称位于所述卡爪的长度方向的两侧。
  3. 根据权利要求1所述的汽车线束用夹持件，其特征在于：所述第二卡板相对所述第四卡板的侧壁具有便于所述卡爪顺利插入所述卡口的第一导向斜面(8)。
  4. 根据权利要求1所述的汽车线束用夹持件，其特征在于：所述第四卡板相对所述第二卡板的侧壁具有便于所述卡爪顺利插入所述卡口的第二导向斜面(9)。
  5. 根据权利要求3所述的汽车线束用夹持件，其特征在于：所述限位块具有与所述第一导向斜面相匹配的第三导向斜面(10)。
  6. 根据权利要求1所述的汽车线束用夹持件，其特征在于：所述第一凹面的弧度为90°。
  7. 根据权利要求1所述的汽车线束用夹持件，其特征在于：所述第二凹面的弧度为92°。
  8. 根据权利要求1所述的汽车线束用夹持件，其特征在于：所述第三凹面的弧度为93°。
  9. 根据权利要求1所述的汽车线束用夹持件，其特征在于：所述弹性连接片为聚丙烯材质连接片。
PCT/CN2020/138611 2020-02-19 2020-12-23 汽车线束用夹持件 WO2021164411A1 (zh)

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