CN211869301U

CN211869301U - Wire harness fixing device

Info

Publication number: CN211869301U
Application number: CN201922099085.4U
Authority: CN
Inventors: 严卫; 张雨
Original assignee: Aptiv Electric System Co ltd
Current assignee: Aptiv Electric System Co ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-11-06
Anticipated expiration: 2029-11-29

Abstract

The utility model relates to a wire harness fixing device, include inserted bar (1) and inhale piece (5), inserted bar (1) include U type pole and the straight-bar of being connected with U type pole, the device still includes pretightening nut (2), fixation nut (3) and chassis (4), the straight-bar on be equipped with the screw thread and pass pretightening nut (2), inhale piece (5) including the sucking disc and the screw rod of being connected with the sucking disc, chassis (4) middle part open and have the through-hole, the screw rod on be equipped with the screw thread and pass the through-hole on chassis (4) and be connected with the one end cooperation of fixation nut (3), the straight-bar be connected with the other end cooperation of fixation nut (3), the biggest transverse dimension of fixation nut (3) be greater than the through-hole diameter on chassis (4). Compared with the prior art, the utility model has the advantages of simple structure, easy operation, good adsorptivity and the like.

Description

Wire harness fixing device

Technical Field

The utility model relates to a fixing device especially relates to a wire harness fixing device.

Background

In the automobile wire harness industry, in order to make the circuit of a wire harness clearly visible, a wire harness fixing device is commonly used for supporting the wire harness and is used for keeping the state of a wire so as to realize the fixation of any angle and direction, but the traditional wire harness fixing device needs to be fixed on a wire harness wiring tool plate and needs to punch holes on the wire harness wiring tool plate, so that the tool plate cannot be recycled. Therefore, in the conventional method when the sucker is used, the sucker utilizes the air pressure principle to form pressure difference on the upper surface and the lower surface of the sucker, a workpiece is adsorbed on the surface of the sucker, and then accessories are loaded to complete the operations of sucking, carrying, grabbing and the like.

Prior art has also given some solutions, chinese patent CN207539546U has proposed a special tool of pencil sucking disc, including the stationary fork, the connecting rod, sucking disc and handle, the stationary fork welding is at the top of connecting rod, be equipped with the screw on the connecting rod, the bottom at the connecting rod is connected to the sucking disc, the handle is installed in the side of sucking disc and is equipped with the fixed orifices that corresponds between the two, the stationary fork is U type structure, the sucking disc is the plastic material, link to each other through the screw for the fixed orifices between sucking disc and the handle, the bottom of sucking disc is equipped with the rubber ring, the rubber ring edge even has a rectangular brace, this patent is direct fixes the pencil tool on the frock board through the adsorption affinity of sucking disc, can cyclic utilization.

However, this patent has the following problems:

firstly, the sucker is made of plastic materials, is thick and cannot be kept for a long time, and can be naturally loosened and easily fall off after the sucker is kept for a long time;

secondly, the hands of workers are scratched due to excessive force during assembly and disassembly because the workers need to fix the hands with great force during use;

thirdly, the area of the sucking disc is too large, and the occupied space is large.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a wiring harness fixing device in order to overcome the defect that above-mentioned prior art exists, adopt the integral type design, can keep not droing for a long time, have that the structure is simple and easy, stability is good and advantage such as with low costs.

The purpose of the utility model can be realized through the following technical scheme:

the utility model provides a wire harness fixing device, includes the inserted bar and inhales the piece, the inserted bar include U type pole and the straight-bar of being connected with U type pole, the device still includes pretightening nut, fixation nut and chassis, the straight-bar on be equipped with the screw thread and pass pretightening nut, inhale the piece including sucking disc and the screw rod of being connected with the sucking disc, chassis middle part open and to have the through-hole, the screw rod on be equipped with the screw thread and pass the through-hole on chassis and be connected with fixation nut's one end cooperation, the straight-bar be connected with fixation nut's other end cooperation, fixation nut's the biggest transverse dimension be greater than the through-hole diameter on chassis.

Furthermore, the suction sheet is made of PVC.

Furthermore, a pressure plate is sleeved on the straight rod between the pre-tightening nut and the fixing nut.

Furthermore, the pressure plate is a circular disc which is sunken towards the center.

Furthermore, the pressure plate is fixedly connected with the pre-tightening nut.

Furthermore, the pressing plate is movably arranged on the straight rod.

Furthermore, the pre-tightening nut is a hexagon nut.

Further, the fixing nut is a hexagon nut.

Compared with the prior art, the utility model discloses have with following beneficial effect:

(1) the utility model adopts an integral design, the inserted bar, the pretension nut, the fixation nut, the chassis and the coaxial installation of suction piece, the screw rod of suction piece passes through the through-hole precession fixation nut in the middle of the chassis, the integrated configuration can keep the tensioning state, the annular chassis fully compresses tightly the sucking disc, make the absorption of sucking disc more firm, the chassis also is as the base of whole device simultaneously, make whole device keep stable and can not skew to any direction in the axial, the stability of device has been improved, and can exert the pretightening force to fixation nut through rotating the pretension nut, make fixation nut not hard up, the reliability of device has been further improved, whole device simple structure and small simultaneously, easy dismounting and storage, and low cost;

(2) the utility model discloses a pressure disk has been suit on between pretension nut and fixation nut, and this pressure disk is the annular disc of sunken to the center, has increased the area of contact of pretension nut and fixation nut for fixation nut is more stable, and has guaranteed the flexible contact of pretension nut and fixation nut, has the buffering effect, and the pretension effect is better, and the life of device and the time that the stable effect lasts are longer;

(3) the utility model discloses a sucking disc adopts the PVC material, can laminate with the loading end, has very strong adsorption affinity to can use repeatedly, can be fit for multiple material surface, sucking disc easy dismounting can select suitable sucking disc in a flexible way, easy operation, and the flexibility is strong, and application scope is wide, and sucking disc occupation space is little simultaneously, saves space.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

The reference numbers in the figures illustrate:

1. the device comprises an inserting rod, 2 parts of a pre-tightening nut, 3 parts of a fixing nut, 4 parts of a chassis and 5 parts of a suction piece.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

Example one

A wire harness fixing device is characterized in that an inserting rod 1 comprises an inserting rod 1, a pre-tightening nut 2, a fixing nut 3, a chassis 4 and a suction piece 5 which are coaxially arranged.

The inserted bar 1 comprises a U-shaped bar and a straight bar connected with the U-shaped bar, the straight bar is provided with threads and penetrates through the pre-tightening nut 2, the suction piece 5 comprises a suction cup and a screw connected with the suction cup, the middle of the base plate 4 is provided with a through hole, the screw is provided with threads and penetrates through the through hole of the base plate 4 to be connected with one end of the fixing nut 3 in a matched mode, and the straight bar is connected with the other end of the fixing nut 3 in a matched mode.

The length of the screw is larger than the axial height of the base plate 4, the maximum transverse dimension of the fixing nut 3 is larger than the diameter of a through hole of the base plate 4, the diameter of the edge of the sucker is larger than the diameter of the through hole of the base plate 4, and the whole device can be guaranteed to be connected in a matched mode through threads and threaded holes and keep in a tensioning state.

A pressure plate is arranged between the pre-tightening nut 2 and the fixing nut 3, the pressure plate is an annular disc which is sunken towards the center, when the pre-tightening nut 2 rotates towards the fixing nut 3, pressure can be applied to the fixing nut 3 through the pressure plate, and the pressure plate enables the fixing nut 3 to keep tensioned and stable.

The device comprises an insertion rod 1, a pre-tightening nut 2, a fixing nut 3, a chassis 4 and a suction piece 5 which are integrally and coaxially installed in an initial state, wherein a sucker of the suction piece 5 is placed on a workpiece, the fixing nut 3 is screwed to the tightest position towards the direction of the chassis 4, the chassis 4 transmits pressure applied by the fixing nut 3 to the sucker of the suction piece 5, the sucker is fully pressed by an annular surface of the chassis 4, air in the sucker is exhausted, namely, the sucker and the workpiece are adsorbed, meanwhile, the pre-tightening nut 2 is screwed to be in contact with the fixing nut 3 towards the direction of the fixing nut 3, the pre-tightening nut 2 applies pre-tightening force to the fixing nut 3 through a pressure plate, the fixing nut 3 is kept stable, the stability of the device is further improved, then, the wiring harness is arranged on a U-shaped rod of the insertion rod 1 to fix the wiring harness, and only the pre-tightening nut 2 and.

Example two

In this embodiment, the pressing plate is movably sleeved on the straight rod between the pre-tightening nut 2 and the fixing nut 3, and the rest is the same as that of the first embodiment.

EXAMPLE III

In this embodiment, the pressing plate is movably sleeved on the straight rod between the pre-tightening nut 2 and the fixing nut 3 and is fixedly connected with the pre-tightening nut, and the rest is the same as the first embodiment and the second embodiment.

Example four

In this embodiment, the material of the suction piece 5 is PVC, which is suitable for various material surfaces, and the rest is the same as the first embodiment, the second embodiment and the third embodiment.

EXAMPLE five

The pretension nut 2 is a hexagon nut, and the rest is the same as the first embodiment, the second embodiment, the third embodiment and the fourth embodiment.

EXAMPLE six

The fixing nut 3 is a hexagon nut, and the first embodiment, the second embodiment, the third embodiment, the fourth embodiment and the fifth embodiment are the same.

The first embodiment, the second embodiment, the third embodiment, the fourth embodiment, the fifth embodiment and the sixth embodiment provide the wiring harness fixing device, the inserted rod, the pre-tightening nut, the fixing nut, the chassis and the suction piece are coaxially mounted, the assembled structure can keep a tensioning state, the chassis fully compresses the suction disc, meanwhile, the chassis enables the device to keep stable in the axial direction, the pre-tightening nut 2 applies pre-tightening force to the fixing nut 3, the whole device is good in stability and reliability, simple in structure, convenient to disassemble, assemble and store and low in cost.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims

1. The utility model provides a wire harness fixing device, includes inserted bar (1) and inhales piece (5), inserted bar (1) include U type pole and the straight-bar of being connected with U type pole, its characterized in that, the device still include nut (2), fixation nut (3) and chassis (4), the straight-bar on be equipped with the screw thread and pass nut (2), inhale piece (5) including sucking disc and the screw rod of being connected with the sucking disc, chassis (4) middle part open and have the through-hole, the screw rod on be equipped with the screw thread and pass the through-hole on chassis (4) and be connected with the one end cooperation of fixation nut (3), the straight-bar be connected with the other end cooperation of fixation nut (3), the biggest transverse dimension of fixation nut (3) be greater than the through-hole diameter on chassis (4).

2. The wire harness fixing device as claimed in claim 1, wherein a pressure plate is sleeved on the straight rod between the pre-tightening nut (2) and the fixing nut (3).

3. The wire harness securing device according to claim 2, wherein said pressing plate is a centrally recessed annular disk.

4. A harness fixation device as in claim 2 wherein the pressure plate is fixedly connected to the pre-tightening nut (2).

5. The wire harness fixing device as claimed in claim 2, wherein the pressing plate is movably mounted on the straight bar.

6. A harness fixation device as in claim 1 wherein the suction piece (5) is made of PVC.

7. A harness fixation device as in claim 1 wherein the pre-tightening nut (2) is a hex nut.

8. A harness fixation device according to claim 1, wherein the fixation nut (3) is a hexagonal nut.