Automobile wire harness with good corrosion-resistant effect

Abstract

The utility model discloses an automobile wire harness with a good corrosion-resistant effect, which comprises a wire bar and a joint electrically connected with the top of the wire bar, connecting bolts are arranged on the left side and the right side of the bottom of the joint, the top ends of the connecting bolts penetrate through the joint and extend to the top of the joint, and connecting blocks are fixedly connected with the left side and the right side of the joint. A shaft rod is inserted into the connecting block, and a connecting plate is fixedly connected to the surface of the shaft rod. According to the utility model, the structure of the cable is mainly improved through the wire harness, the connecting piece is directly exposed and is easily corroded by the environment to influence the disassembly and assembly of the cable, the connecting block, the shaft rod, the connecting plate and the protective cover are arranged on the two sides of the joint, the protective cover can be sleeved on the surface of the cable bar, and the inner side of the protective cover is attached to the surface of the joint; the connecting piece is effectively isolated from the external environment, the problem that the cable cannot be separated and disassembled due to environmental corrosion of the connecting piece is solved, and the use reliability and the maintenance convenience of the wire harness are improved.

Description

Technical Field

[0001] This utility model relates to the field of automotive wiring harness technology, specifically to an automotive wiring harness with good corrosion resistance. Background Technology

[0002] Automotive wiring harnesses are a core component of automotive electrical systems, often referred to as the "nervous system" of a car. They consist of multiple wires, connectors, terminals, insulating sleeves, protective materials, etc. Through proper layout and connection, they transmit electrical energy, signals, and data to various electronic devices and systems in the car, ensuring the normal operation of the vehicle.

[0003] For example, the patent application number published on the China Patent Network is 202222421398.9, and the patent name is: A corrosion-resistant automotive wiring harness, including a reinforcing core. The side wall of the reinforcing core is provided with a corrosion-resistant sleeve that can provide corrosion resistance. Wire cores that can transmit electrical and digital signals are evenly arranged between the corrosion-resistant sleeve and the reinforcing core. The beneficial effects of this utility model are: a corrosion-resistant layer and a waterproof layer are provided in the middle of the automotive wiring harness. The corrosion-resistant layer can increase the corrosion resistance of the automotive wiring harness and prevent corrosive lubricating solutions from dripping onto it and causing corrosion. The waterproof layer can increase the waterproof effect of the wiring harness, thereby ensuring the normal and safe connection and operation of the wiring harness. Furthermore, a reinforcing rib and an elastic layer are provided in the middle of the wiring harness, which not only increases the strength of the wiring harness but also increases its elasticity, resulting in better bending performance and making it more suitable for the installation and connection of automotive wiring harnesses.

[0004] However, existing wire harnesses mainly improve the structure of the cables, while the connectors used to connect the cables are generally directly exposed to the external environment. When environmental corrosion affects the connectors, it can easily lead to the cables being unable to be separated and disassembled.

[0005] Therefore, it is necessary to redesign and modify automotive wiring harnesses that have good corrosion resistance. Utility Model Content

[0006] To address the problems mentioned in the background art, the purpose of this utility model is to provide an automotive wiring harness with good corrosion resistance. It has the advantage of improving corrosion resistance and solves the problem that existing wiring harnesses mainly improve the structure of the cables, while the connectors used to connect the cables are generally directly exposed to the external environment. When environmental corrosion affects the connectors, it can easily lead to the inability to separate and assemble the cables.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a corrosion-resistant automotive wiring harness, comprising a wire harness;

[0008] Electrical connection to the connector at the top of the busbar;

[0009] The left side and the right side of the joint bottom are provided with connecting bolts, the top end of the connecting bolt penetrates the joint and extends to the top of the joint, the left side and the right side of the joint are fixedly connected with connecting blocks, the inside of the connecting block is inserted with a shaft rod, the surface of the shaft rod is fixedly connected with a connecting plate, the side, away from the shaft rod, of the connecting plate is fixedly connected with a protective cover, the side, away from the shaft rod, of the protective cover extends to the bottom of the joint and is sleeved on the surface of the wire harness, and the inside of the protective cover and the surface of the joint are mutually attached.

[0010] As preferred in the utility model, the side, close to the shaft rod, of the connecting plate is fixedly connected with a stress plate, the top of the stress plate is fixedly connected with a elastic plate, the side, away from the stress plate, of the elastic plate is in contact with the surface of the joint, and the elastic plate has elasticity.

[0011] As preferred in the utility model, the top of the joint is fixedly connected with a rubber pad, and the top end of the connecting bolt penetrates the rubber pad and extends to the top of the rubber pad.

[0012] As preferred in the utility model, the bottom of the protective cover is fixedly connected with a sealing pad which is arranged around the surface of the wire harness, the sealing pad has elasticity, and the inside of the sealing pad can be in contact with each other after the protective cover is closed.

[0013] As preferred in the utility model, the wire harness comprises a lead wire electrically connected to the bottom of the joint, the surface of the lead wire is wrapped with an insulation layer, the surface of the insulation layer is provided with a barrier layer, and the surface of the barrier layer is provided with a protective layer.

[0014] As preferred in the utility model, the barrier layer comprises a sealing film wrapped on the surface of the insulation layer, the surface of the sealing film is wrapped with a PVC film, the protective layer comprises a silica gel layer wrapped on the surface of the PVC film, and the outer surface of the silica gel layer is in contact with the inner wall of the sealing pad.

[0015] Compared with the prior art, the utility model has the advantages as follows:

[0016] 1、 the utility model discloses a wire harness mainly improves the cable structure, and the connecting piece is directly exposed and is affected by environmental corrosion to detach the cable, the technical scheme is provided with connecting blocks, shaft rods, connecting plates and protective covers on the two sides of the joint, the protective cover can be sleeved on the surface of the wire harness, and the inside of the protective cover is attached to the surface of the joint, so that the connecting piece is effectively isolated from the external environment, the problem that the cable cannot be separated and detached due to environmental corrosion of the connecting piece is avoided, and the use reliability and maintenance convenience of the wire harness are improved.

[0017] 2、The utility model discloses a elastic deformation of elastic plate is pressed, produces elastic force, makes protective cover and joint surface close -grained adhesion, further strengthened the leakproofness between protective cover and joint, effectively prevent the outside corrosive medium and enter the inside through the gap between protective cover and joint, thereby better protection connecting piece.

[0018] 3、The utility model discloses a rubber pad can buffer the external force impact that connecting bolt receives, reduce the loosening or damage of connecting bolt in the installation and use process because of vibration, collision etc., guarantee the connection stability of connecting bolt, and further ensure the reliability of wire harness connection.

[0019] 4、The utility model discloses a sealing gasket can prevent the outside corrosive medium from entering the gap between the protective cover bottom and wire row, form all -round sealing protection to wire row, effectively reduce the risk of wire row failure because of corrosion.

[0020] 5、The utility model discloses a multilayer structure realizes the layered protection to lead wire, and each layer bears different protection function, can effectively block the corrosion of different types and degree corrosive medium to lead wire, greatly improves the corrosion -resistant performance of wire row.

[0021] 6、The utility model discloses a sealing film can preliminarily block the penetration of some small molecule corrosive medium, and the PVC film has good chemical corrosion resistance and mechanical property, can further enhance the barrier effect, prevent corrosive medium from damaging the insulating layer, and the silica gel layer has excellent corrosion resistance, aging resistance and elasticity, not only can effectively block the corrosion of external corrosive medium, but also can buffer external pressure and vibration to a certain extent, protect the internal lead wire from being damaged. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the structure schematic drawing of the utility model;

[0023] Figure 2 It is the local structure of the utility model and looks up the schematic diagram;

[0024] Figure 3 It is the wire row structure schematic diagram of the utility model;

[0025] Figure 4 It is the utility model Figure 1 It is the structure schematic diagram of the utility model and A place enlargies.

[0026] In the drawing: 1, wire row;2, joint;3, connecting bolt;4, connecting block;5, shaft;6, connecting plate;7, protective cover;8, stress plate;9, elastic plate;10, rubber pad;11, sealing gasket;12, lead wire;13, insulating layer;14, barrier layer;15, protective layer;16, sealing film;17, PVC film;18, silica gel layer. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0028] As shown in the utility model provides a kind of good corrosion-resistant effect automobile wire harness, including wire row 1; Figures 1 to 4

[0029] Electric connection is connected in the top of wire row 1 connector 2;

[0030] The left side and the right side of the bottom of connector 2 are provided with connecting bolt 3, the top end of connecting bolt 3 penetrates connector 2 and extends to the top of connector 2, the left side and the right side of connector 2 are fixedly connected with connecting block 4, the inside of connecting block 4 is inserted with shaft 5, the surface of shaft 5 is fixedly connected with connecting plate 6, the side away from shaft 5 of connecting plate 6 is fixedly connected with protective cover 7, the side away from shaft 5 of protective cover 7 extends to the bottom of connector 2 and is sleeved on the surface of wire row 1, the inside of protective cover 7 and the surface of connector 2 are mutually attached.

[0031] As shown in the utility model provides a kind of good corrosion-resistant effect automobile wire harness, including wire row 1; Figure 4 The side close to shaft 5 of connecting plate 6 is fixedly connected with stress plate 8, the top of stress plate 8 is fixedly connected with elastic plate 9, the side away from stress plate 8 of elastic plate 9 is in contact with the surface of connector 2, and elastic plate 9 has elasticity.

[0032] As a kind of technical optimization scheme of the utility model, by elastic plate 9 is extruded and occurs elastic deformation, produce elastic force, make protective cover 7 and the surface of connector 2 closely attached, further enhance the sealing between protective cover 7 and connector 2, effectively prevent that outside corrosive medium passes through the gap between protective cover 7 and connector 2 and enters inside, to better protect connecting piece.

[0033] As shown in the utility model provides a kind of good corrosion-resistant effect automobile wire harness, including wire row 1; Figure 4 The top of connector 2 is fixedly connected with rubber pad 10, and the top end of connecting bolt 3 penetrates rubber pad 10 and extends to the top of rubber pad 10.

[0034] As a kind of technical optimization scheme of the utility model, by setting rubber pad 10 can buffer the external force impact received by connecting bolt 3, reduce the looseness or damage caused by vibration, collision etc. in the process of installation and use of connecting bolt 3, guarantee the connection stability of connecting bolt 3, to ensure the reliability of wire harness connection.

[0035] As shown in the utility model provides a kind of good corrosion-resistant effect automobile wire harness, including wire row 1; Figure 2 ​The bottom of the protective cover 7 is fixedly connected with a sealing gasket 11 arranged around the surface of the wire row 1, the sealing gasket 11 is elastic, and the inner sides of the sealing gasket 11 can contact each other after the protective cover 7 is closed.

[0036] As a technical optimization scheme of the utility model, the sealing gasket 11 can prevent external corrosive media from entering the gap between the bottom of the protective cover 7 and the wire row 1, form all-round sealing protection for the wire row 1, and effectively reduce the risk of failure of the wire row 1 due to corrosion.

[0037] Reference Figure 3 The wire row 1 comprises a lead wire 12 electrically connected to the bottom of the connector 2, the surface of the lead wire 12 is wrapped with an insulation layer 13, the surface of the insulation layer 13 is provided with a barrier layer 14, and the surface of the barrier layer 14 is provided with a protective layer 15.

[0038] As a technical optimization scheme of the utility model, the multi-layer structure realizes layered protection of the lead wire 12, each layer bears different protection functions, can effectively block different types and degrees of corrosive media from corroding the lead wire 12, and greatly improves the corrosion resistance of the wire row 1.

[0039] Reference Figure 3 The barrier layer 14 comprises a sealing film 16 wrapped around the surface of the insulation layer 13, the surface of the sealing film 16 is wrapped with a PVC film 17, the protective layer 15 comprises a silica gel layer 18 wrapped around the surface of the PVC film 17, and the outer surface of the silica gel layer 18 is in contact with the inner wall of the sealing gasket 11.

[0040] As a technical optimization scheme of the utility model, the sealing film 16 can preliminarily block the penetration of some small molecule corrosive media, the PVC film has good chemical corrosion resistance and mechanical properties, can further enhance the barrier effect, and prevent corrosive media from damaging the insulation layer 13, and the silica gel layer 18 has excellent corrosion resistance, aging resistance and elasticity, can not only effectively block the corrosion of external corrosive media, but also can buffer external pressure and vibration to a certain extent, and protect the internal lead wire 12 from being damaged.

[0041] The working principle and use process of the utility model: the wire harness 1 adopts four-layer composite structure: the outer layer of the lead wire 12 is wrapped with insulation layer 13, sealing film 16, PVC film 17, silica gel layer 18 in turn, forms basic anticorrosion barrier, is provided with connecting bolt 3 at the left side and the right side of the bottom of the connector 2, the top end of the connecting bolt 3 penetrates connector 2 and extends to the top of connector 2, is used for fixing wire harness and other components, the top of connector 2 is fixedly connected with rubber pad 10, the top end of connecting bolt 3 penetrates rubber pad 10, plays a certain buffering and sealing effect, the left side and the right side of connector 2 are fixedly connected with connecting block 4, the connecting block 4 is inserted with shaft 5, the surface of shaft 5 is fixedly connected with connecting plate 6, the side away from shaft 5 of connecting plate 6 is fixedly connected with protective cover 7, the side away from shaft 5 of protective cover 7 extends to the bottom of connector 2 and is sleeved on the surface of wire harness 1, at this time, protective cover 7 is in open state, facilitates the installation and connection operation of wire harness, when wire harness installation is completed, protective cover 7 is rotated around shaft 5, so that the side away from shaft 5 of it is sleeved on the surface of wire harness 1 and extends to the bottom of connector 2, at this time, the inside of protective cover 7 and the surface of connector 2 mutually adhere, the bottom of protective cover 7 is fixedly connected with sealing pad 11 arranged around the surface of wire harness 1, sealing pad 11 is elastic, after protective cover 7 is closed, the inside of sealing pad 11 mutually contacts, forms sealed environment, prevents outside corrosive medium from entering the inside of protective cover 7.

[0042] In summary: the automobile wire harness with good corrosion resistance effect, through the improvement of cable structure of wire harness, the connecting piece is directly exposed and is affected by environmental corrosion, the connecting block 4, shaft 5, connecting plate 6 and protective cover 7 are arranged on the both sides of connector 2, the protective cover 7 can be sleeved on the surface of wire harness 1 and the inside is adhered to the surface of connector 2, effectively isolates the connecting piece from the external environment, avoids the problem that the cable cannot be separated and disassembled due to environmental corrosion of the connecting piece, improves the use reliability and maintenance convenience of wire harness.

[0043] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0044] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An automobile wire harness with good corrosion resistance effect, comprising a wire harness (1); a connector (2) electrically connected to the top of the wire harness (1); characterized in that A connecting bolt (3) is arranged on the left side and the right side of the bottom of the connector (2), the top end of the connecting bolt (3) penetrates the connector (2) and extends to the top of the connector (2), a connecting block (4) is fixedly connected to the left side and the right side of the connector (2), an axle rod (5) is inserted into the inside of the connecting block (4), a connecting plate (6) is fixedly connected to the surface of the axle rod (5), a protective cover (7) is fixedly connected to the side of the connecting plate (6) away from the axle rod (5), the side of the protective cover (7) away from the axle rod (5) extends to the bottom of the connector (2) and is sleeved on the surface of the wire harness (1), and the inner side of the protective cover (7) and the surface of the connector (2) are mutually attached.

2. The automobile wire harness with good corrosion resistance effect according to claim 1, characterized in that: A stress plate (8) is fixedly connected to the side of the connecting plate (6) close to the axle rod (5), an elastic plate (9) is fixedly connected to the top of the stress plate (8), the side of the elastic plate (9) away from the stress plate (8) is in contact with the surface of the connector (2), and the elastic plate (9) has elasticity.

3. The automobile wire harness with good corrosion resistance effect according to claim 1, characterized in that: A rubber pad (10) is fixedly connected to the top of the connector (2), and the top end of the connecting bolt (3) penetrates the rubber pad (10) and extends to the top of the rubber pad (10).

4. The automobile wire harness with good corrosion resistance effect according to claim 1, characterized in that: A sealing gasket (11) is fixedly connected to the bottom of the protective cover (7) and arranged around the surface of the wire harness (1), the sealing gasket (11) has elasticity, and the inner sides of the sealing gaskets (11) can contact each other after the protective cover (7) is closed.

5. The automobile wire harness with good corrosion resistance effect according to claim 4, characterized in that: The wire harness (1) comprises a lead wire (12) electrically connected to the bottom of the connector (2), the surface of the lead wire (12) is wrapped with an insulation layer (13), the surface of the insulation layer (13) is provided with a barrier layer (14), and the surface of the barrier layer (14) is provided with a protective layer (15).

6. The automobile wire harness with good corrosion resistance effect according to claim 5, characterized in that: The barrier layer (14) comprises a sealing film (16) wound on the surface of the insulation layer (13), the surface of the sealing film (16) is wound with a PVC film (17), the protective layer (15) comprises a silica gel layer (18) wrapped on the surface of the PVC film (17), and the outer surface of the silica gel layer (18) is in contact with the inner wall of the sealing gasket (11).

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