CN213211760U - Automobile wheel speed wire harness assembly - Google Patents
Automobile wheel speed wire harness assembly Download PDFInfo
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- CN213211760U CN213211760U CN202021790030.4U CN202021790030U CN213211760U CN 213211760 U CN213211760 U CN 213211760U CN 202021790030 U CN202021790030 U CN 202021790030U CN 213211760 U CN213211760 U CN 213211760U
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- protective layer
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Abstract
The utility model provides a wheel speed harness assembly of an automobile, which comprises a main harness and at least two branch harnesses connected with the main harness, wherein each branch harness is orthogonally arranged with the main harness, and a protective layer is coated on the connecting part of each branch harness and the main harness; the protective layer is formed by adopting an injection molding process and comprises a main line protective layer and branch line protective layers integrally formed with the main line protective layer, the main line protective layer is used for coating the parts, close to the connecting parts, of the main line wiring harnesses, and the branch line protective layers are used for coating the parts, close to the connecting parts, of the branch line wiring harnesses together. Fast pencil assembly of car wheel, through the protective layer of moulding plastics at the connection position of main line pencil and branch pencil, applicable in harsh environment, simple to operate, reliable, firm has better practicality.
Description
Technical Field
The utility model relates to a vehicle pencil technical field, in particular to fast pencil assembly of car wheel.
Background
On the vehicle, the wheel speed and the caliper wiring harness on the vehicle body are connected to the suspension through the vehicle body, and during the running process of the vehicle, the suspension is a moving part relative to the vehicle body, the moving frequency is extremely high, and the wiring harness is extremely prone to breaking after long-term movement. And, the calliper is located the wheel brake disc periphery, and the wheel speed sensor is located the rim periphery. In the use process of a vehicle, the wire harness is easily splashed and scratched by flying stones or other hard objects to cause damage of cables, so that failures such as corrosion are caused, and therefore, the strengthening, fixing and protection of the wire harness around wheels and suspensions are indispensable.
However, the existing wheel speed and caliper lines are generally ordinary twisted pair cables, which are a set of 0.5mm twisted pairs, and with the long-term use of the entire vehicle, the cables are prone to shock and fracture, and the reliability needs to be improved. In addition, the wire harness needs to be bent into a right-angle assembly, and the right-angle snap fit is needed in the assembly process. During specific assembly, use the sticky tape earlier and fix the pencil with the right angle buckle, carry out the pencil with right angle buckle and whole car panel beating lock again and fix, but wheel all ring edge borders is abominable, leads to sticky tape and buckle ageing easily, leads to the pencil fixed insecure, can further increase pencil motion fracture risk.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a fast pencil assembly of car wheel to improve its application reliability.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a wheel speed harness assembly of an automobile comprises a main harness and at least two branch harnesses connected with the main harness, wherein each branch harness is orthogonally arranged with the main harness, a protective layer is coated on a connecting part of each branch harness and the main harness, the protective layer is formed by adopting an injection molding process and comprises a main line protective layer and a branch harness protective layer integrally formed with the main line protective layer, the main line protective layer coats a part, close to the connecting part, of the main harness, and the branch harness protective layer coats a part, close to the connecting part, of each branch harness together.
Furthermore, the main wire harness comprises a main conductor, a main shielding layer and a main insulating layer which are sequentially coated outside the main conductor, each branch wire harness comprises a branch wire, a branch shielding layer and a branch insulating layer which are sequentially coated outside the branch wire, and each branch wire is connected with the main conductor.
Furthermore, the cross section of the part of the main line protection layer close to the branching protection layer is circular, and a binding surface for binding and connecting with an external plane is formed at the part of the main line protection layer far away from the branching protection layer.
Furthermore, the cross section of the branching protection layer is circular.
Furthermore, the diameter of the part of the main line protection layer close to the branching protection layer is 18-20mm, and the diameter of the branching protection layer is 22-24 mm.
Further, the injection molding thickness of the protective layer is at least 3 mm.
Furthermore, a ribbon limiting groove is formed in the outer peripheral surface of the main line protective layer.
Furthermore, an energy absorption groove is formed on the outer peripheral surface of at least one of the main line protection layer and the branch line protection layer.
Furthermore, a fillet is formed at the intersection of the main line protection layer and the branch line protection layer.
Furthermore, the protective layer is made of a thermoplastic polyurethane rubber material.
Compared with the prior art, the utility model discloses following advantage has:
(1) fast pencil assembly of car wheel, through the protective layer of moulding plastics at the connection position of main line pencil and branch pencil, applicable in harsh environment, resistant vibration, stand wear and tear, water-proof effects is good, the pencil molding accords with vehicle assembly layout trend, can prevent that the pencil from buckling, simple to operate, reliable, firm has better practicality.
(2) The cross section of the part of the main line protective layer close to the connecting part is circular, the main line protective layer is conveniently in transitional connection with the branching protective layer, the overall attractiveness of the wiring harness is improved, and the other part of the main line protective layer is provided with a binding surface to be bound and connected with an external plane, so that the main line protective layer is convenient to fix.
(3) The diameter of the part of the main line protective layer close to the branching protective layer is 18-20mm, and the diameter of the branching protective layer is 22-24mm, so that the injection molding is facilitated, and the stress can be reduced.
(4) The injection molding thickness is at least 3mm, and the main wire harness and the branch wire harness can be well protected.
(5) Set up the ribbon spacing groove, can play limit function, effectively improve pencil installation accuracy, and the ribbon can be retrained in the ribbon spacing groove, can improve the installation reliability to can effectively prevent to rock and reduce the noise.
(6) Set up the energy-absorbing groove, can effectively absorb the stress of buckling of pencil, have good thermal diffusivity simultaneously, effectively prevent the inside fracture of pencil assembly and burn the line.
(7) And a fillet is formed at the intersection part of the main line protective layer and the branch line protective layer, so that the reliability of the wiring harness can be further improved.
(8) The protective layer is made of thermoplastic polyurethane rubber, can bear the external severe environment such as the striking of silt and hard objects, and is integrated with the wiring harness forming, so that the damage to the inside of the main wiring harness and the branch wiring harness is effectively prevented.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic structural diagram of a wheel speed harness assembly of an automobile according to an embodiment of the present invention;
FIG. 2 is a front view of a wheel speed harness assembly of an automobile according to an embodiment of the present invention;
fig. 3 is a cross-sectional view of a main harness according to an embodiment of the present invention;
description of reference numerals:
1-main wire harness, 2-branch wire harness, 3-main wire protective layer, 4-branch wire protective layer, 5-binding face, 6-ribbon limiting groove, 7-energy absorption groove and 8-fillet;
101-main conductor, 102-main shield, 103-main insulation.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it should be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The embodiment relates to a wheel speed harness assembly of an automobile, which mainly comprises a main harness and at least two branch harnesses connected with the main harness, wherein a protective layer is coated at the connecting part of the main harness and the branch harnesses and is formed by adopting an injection molding process.
Based on the above overall structure description, the structure of the wheel speed harness assembly of the vehicle of the present embodiment can be seen with reference to fig. 1 and 2. The main wire harness 1 is connected with the two branch wire harnesses 2, a main wire protective layer 3 is coated outside the main wire harness 1, a branch wire protective layer 4 is coated outside the branch wire harness 2, and the main wire protective layer 3 and the branch wire protective layer 4 are integrally formed by adopting an injection molding process. In this configuration, the main harness 1 is used for connection with a wheel sensor of a vehicle, and the sub harness 2 may be connected with the remaining components as needed. The number of partial bundles 2 can be, in addition to two, also the remaining number, for example three or four.
In order to facilitate better understanding of the present embodiment, the structure of the main harness 1 will be briefly described below with reference to fig. 3. In this embodiment, the cross section of the main harness 1 is circular, and the main harness 1 includes a main conductor 101, and a main shielding layer 102 and a main insulating layer 103 sequentially covering the main conductor 101. The structure of the branch bundle 2 is the same as that of the main bundle 1, and therefore, no relevant drawing is given, and the structure thereof can still be seen in fig. 3, and it includes a branch conductor, and a branch shielding layer and a branch insulating layer which are sequentially coated outside the branch conductor. It should be noted here that each branch conductor is connected to the main conductor 101.
In order to adapt to the assembly requirement of the whole vehicle, the branch harnesses 2 are orthogonally arranged with the main harness 1 according to the layout and installation trend of the whole vehicle, and the connecting parts of the branch harnesses 2 and the main harness 1 are covered with the protective layers, so that the firmness of the harnesses is improved, the problem of harness falling caused by the adoption of the existing right-angle buckle is prevented, and the risk of harness fracture is reduced. Specifically, as shown in fig. 1 and 2, the protective layer includes a main line protective layer 3 and a branch line protective layer 4 integrally formed with the main line protective layer 3, the main line protective layer 3 covers a portion of the main line bundle 1 near the connection portion, and the branch line protective layer 4 covers portions of the branch line bundles 2 near the connection portion together.
More specifically, the cross section of the main line protective layer 3 close to the branching protective layer 4 is circular, so that the main line protective layer is in transitional connection with the branching protective layer 4, and the part of the main line protective layer 3 far away from the branching protective layer 4 is formed with a binding surface 5 for binding and connecting with an external plane, such as a vehicle body metal plate, so that the main line protective layer can be bound and connected with the external plane, so that the main line protective layer is convenient to fix. The cross section of the branching protection layer 4 is preferably circular to improve the overall aesthetic property of the wiring harness.
In the structure, the injection molding thickness of the protective layer is at least 3mm, so that the main wire harness 1 and the branch wire harness 2 can be well protected. In addition, the injection molding thickness is set to have an outer diameter difference after the experimental strength and the material cost are combined, for example, in the embodiment, the diameter of the part of the main line protection layer 3 close to the branching protection layer 4 is preferably 18-20mm, for example, 19mm, and the diameter of the branching protection layer 4 is preferably 22-24mm, for example, 23mm, so as to facilitate injection molding and effectively reduce stress.
In a preferred embodiment, the protective layer is made of thermoplastic polyurethane rubber (TUP), which can bear the external severe environment such as the impact of silt and hard objects, compared with the existing polypropylene (PP), and the protective layer and the harness are integrally formed, thereby effectively preventing the internal damage of the main harness 1 and the branch harness 2.
For the convenience of installation, still the shaping has ribbon spacing groove 6 on the outer peripheral face of thread protective layer 3, and it can play limit function, effectively improves pencil installation accuracy, and the ribbon can be retrained in ribbon spacing groove 6, can improve the installation reliability to this fast pencil assembly of car wheel to can effectively prevent to rock and reduce the noise.
Based on the whole external diameter increase of integrative structure pencil of moulding plastics, the inside cable of pencil assembly department of buckling bears stress great. Therefore, in this embodiment, the energy absorption groove 7 is formed on the outer peripheral surface of at least one of the main line protection layer 3 and the branch line protection layer 4, so as to effectively absorb the bending stress of the wire harness, and at the same time, have good heat dissipation performance, and effectively prevent the internal fracture and wire burning of the wire harness assembly.
It should be noted that, in this embodiment, the number of the energy absorption grooves 7 on the main line protective layer 3 is four in total, two are disposed on the left side of the ribbon limiting groove 6, two are disposed on the right side of the ribbon limiting groove 6, and the energy absorption grooves 7 on the left and right sides of the ribbon limiting groove 6 are oppositely disposed on the outer peripheral surface of the main line protective layer 3, so as to effectively absorb the bending stress of the main line harness 1. The number of the energy absorption grooves 7 on the branching protection layer 4 is two, and the two energy absorption grooves 7 are oppositely arranged on the peripheral surface of the branching protection layer 4. In order to achieve better energy absorption and heat dissipation effects, the bottom of an energy absorption groove 7 on the branching protective layer 4 is communicated with the outer surface of one branching beam 2.
In order to further improve the reliability, a round angle 8 is formed at the intersection part of the main line protective layer 3 and the branching protective layer 4, so that the connection part of the main line protective layer 3 and the branching protective layer 4 is in smooth transition, the forming is convenient, and the quality of the automobile wheel speed wire harness assembly can be effectively improved.
The fast pencil assembly of car wheel of this embodiment through the protective layer of moulding plastics at the connection position of main pencil 1 and branch pencil 2, can effectively protect pencil connecting circuit, effectively prevents the pencil tie point corrosion of intaking, and inefficacy such as fracture promotes the pencil reliability greatly to applicable in harsh environment, resistant vibration, stand wear and tear, water-proof effects is good, and the pencil molding accords with the vehicle assembly layout trend, can prevent that the pencil from buckling, simple to operate, reliable, firm, has better practicality.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a fast pencil assembly of car wheel which characterized in that: the wire harness protection structure comprises a main wire harness (1) and at least two branch wire harnesses (2) connected with the main wire harness (1), wherein each branch wire harness (2) is orthogonally arranged with the main wire harness (1), a protection layer is coated on a connecting part of each branch wire harness (2) and the main wire harness (1), the protection layer is formed by adopting an injection molding process and comprises a main wire protection layer (3) and a branch wire protection layer (4) integrally formed with the main wire protection layer (3), the main wire protection layer (3) coats a part, close to the connecting part, of the main wire harness (1), and the branch wire protection layer (4) coats a part, close to the connecting part, of each branch wire harness (2) together;
the cross section of the part, close to the branching protection layer (4), of the main line protection layer (3) is circular, and a binding surface (5) for being attached to an external plane is formed at the part, far away from the branching protection layer (4), of the main line protection layer (3).
2. The wheel speed harness assembly of claim 1, wherein: the main wire harness (1) comprises a main conductor (101), a main shielding layer (102) and a main insulating layer (103) which are sequentially coated outside the main conductor (101), each branch wire harness (2) comprises branch wires, a branch shielding layer and a branch insulating layer which are sequentially coated outside the branch wires, and each branch wire is connected with the main conductor (101).
3. The wheel speed harness assembly of claim 1, wherein: the cross section of the branching protection layer (4) is circular.
4. The wheel speed harness assembly of claim 3, wherein: the diameter of the part, close to the branching protection layer (4), of the main line protection layer (3) is 18-20mm, and the diameter of the branching protection layer (4) is 22-24 mm.
5. The wheel speed harness assembly of claim 1, wherein: the injection molding thickness of the protective layer is at least 3 mm.
6. The wheel speed harness assembly of claim 1, wherein: and a binding belt limiting groove (6) is formed on the outer peripheral surface of the main line protective layer (3).
7. The wheel speed harness assembly of claim 1, wherein: an energy absorption groove (7) is formed on the outer peripheral surface of at least one of the main line protection layer (3) and the branch line protection layer (4).
8. The wheel speed harness assembly of claim 1, wherein: and a fillet (8) is formed at the intersection part of the main line protection layer (3) and the branch line protection layer (4).
9. The vehicle wheel speed harness assembly of any of claims 1-8, wherein: the protective layer is made of a thermoplastic polyurethane rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021790030.4U CN213211760U (en) | 2020-08-25 | 2020-08-25 | Automobile wheel speed wire harness assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021790030.4U CN213211760U (en) | 2020-08-25 | 2020-08-25 | Automobile wheel speed wire harness assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213211760U true CN213211760U (en) | 2021-05-14 |
Family
ID=75842836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021790030.4U Active CN213211760U (en) | 2020-08-25 | 2020-08-25 | Automobile wheel speed wire harness assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213211760U (en) |
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2020
- 2020-08-25 CN CN202021790030.4U patent/CN213211760U/en active Active
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