Wire harness assembly and automobile pedal wire harness

Abstract

The utility model discloses a wire harness assembly and an automobile pedal wire harness, the wire harness assembly comprises a wire plug body, a plurality of through holes are arranged between two ends of the wire plug body, and the plurality of through holes comprise a first through hole and a second through hole; a functional wire is arranged in the first through hole in a penetrating manner, and a non-functional wire is arranged in the second through hole in a penetrating manner; the functional wire and the non-functional wire are respectively provided with a first end and a second end which are oppositely arranged, the first end of the functional wire is used for being connected with a printed circuit board, the second end of the functional wire is used for being connected with a terminal, and the non-functional wire is shorter than the functional wire. The non-functional wire is arranged in the second through hole of the wire plug body in a penetrating mode and connected with the printed circuit board in a welded mode, and meanwhile the functional wire and the non-functional wire are fixed through the fixing component, so that direct utilization of an existing sealing plug mold is achieved, uncertainty of a glue sealing scheme is avoided, and the production efficiency is improved. And the overall sealing performance and the structural stability of the wire harness assembly are ensured.

Description

Technical Field

[0001] This utility model relates to the field of automotive pedal wiring harness technology, and in particular to a wiring harness assembly and an automotive pedal wiring harness. Background Technology

[0002] In the field of automotive pedal wiring harnesses, there is currently a six-hole wire sealing plug product used to achieve waterproof sealing of the wiring harness. With product upgrades, new application scenarios have emerged that require the use of wiring harnesses containing only five wires.

[0003] Because the six-hole sealing plug is manufactured using a silicone rubber mold, the design makes it inconvenient to handle the extra holes by plugging or adding inserts. To avoid the additional costs of developing a new mold, it is necessary to find a way to achieve the waterproof function of the five-hole product using the existing six-hole sealing plug mold. Initially, an adhesive fixing solution was considered, but this solution has many technical challenges: the adhesive needs to bond with the silicone rubber material, while also requiring a temperature resistance range of -40 to 105 degrees Celsius, and properties such as compression resistance and vibration resistance.

[0004] Therefore, how to waterproof the excess wire holes in the wire plug products produced by existing molds is an urgent problem to be solved. Utility Model Content

[0005] The main objective of this invention is to provide a wiring harness assembly and an automotive pedal wiring harness to solve the above-mentioned technical problems.

[0006] The objective of this utility model can be achieved by adopting the following technical solution:

[0007] A wire harness assembly includes: a wire plug body, wherein a plurality of through holes are provided between the two ends of the wire plug body, the plurality of through holes including a first through hole and a second through hole; a functional wire is inserted through the first through hole, and a non-functional wire is inserted through the second through hole; the functional wire and the non-functional wire respectively have a first end and a second end disposed opposite to each other, the first end of the functional wire is used to connect to a printed circuit board, the second end of the functional wire is used to connect to a terminal, the length of the non-functional wire is shorter than the length of the functional wire, and the first end of the non-functional wire is used to connect to the printed circuit board; the wire harness assembly further includes a fixing component, the fixing component being used to fix the portion between the second end of the functional wire and the wire plug body and the second end of the non-functional wire.

[0008] The first through hole is provided in multiple ways, and the multiple first through holes are evenly distributed along the circumference of the plug body; the second through hole is located in the central region of the multiple first through holes.

[0009] The plug body is a silicone rubber plug; the inner walls of the first through hole and the second through hole both have a stepped structure.

[0010] It also includes a printed circuit board, which has multiple soldering holes; the first end of the functional wire and the first end of the non-functional wire are both connected to the corresponding soldering holes by soldering.

[0011] The fixing component includes an adhesive tape; the tape is wound between one end face of the plug body and the second end of the functional wire; the tape completely covers and fixes the second end of the non-functional wire; and the distance from one end face of the plug body to the fixing component is less than a preset value.

[0012] The length of the non-functional conductor is less than one-third of the length of the functional conductor; the length of the non-functional conductor ranges from 65 to 80 mm.

[0013] Wherein, the exposed length of both the functional wire and the non-functional wire from one end face of the plug body to the starting position of the fixing component is less than 20mm; the length of the fixing component wrapping around the non-functional wire is not less than 10mm.

[0014] The device has five first through holes, which are evenly distributed around the circumference of the plug body. Each first through hole contains a functional wire. There is one second through hole, which is located in the central area of ​​the five first through holes.

[0015] An automotive pedal wiring harness includes: a printed circuit board and a wiring harness assembly as described above, wherein the printed circuit board is connected to a first end of a functional wire and a first end of a non-functional wire, and a second end of the functional wire is connected to a terminal.

[0016] The beneficial technical effects of this utility model are as follows: by passing non-functional wires through the second through hole of the wire plug body and welding them to the printed circuit board, and by using fixing components to fix the functional and non-functional wires, the existing sealing plug mold can be directly utilized, avoiding the uncertainty of glue sealing schemes and ensuring the overall sealing performance and structural stability of the wire harness assembly. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a three-dimensional schematic diagram of the wire plug body in the wire harness assembly provided in this embodiment of the utility model;

[0019] Figure 2 A schematic diagram provided for an embodiment of this utility model.

[0020] Explanation of reference numerals in the attached figures:

[0021] In the figure: 10-wire plug body, 11-first through hole, 12-second through hole, 13-step structure, 20-functional wire, 30-non-functional wire, 40-printed circuit board, 50-terminal, 60-fixing component. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0023] It should be understood that, when used in this specification and the appended claims, the terms "comprising" and "including" indicate the presence of the described features, integrals, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, integrals, steps, operations, elements, components and / or collections thereof.

[0024] It should also be understood that the terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to limit the scope of the invention. As used in this specification and the appended claims, the singular forms “a,” “an,” and “the” are intended to include the plural forms unless the context clearly indicates otherwise.

[0025] It should also be further understood that the term "and / or" as used in this specification and the appended claims refers to any combination of one or more of the associated listed items and all possible combinations, and includes such combinations.

[0026] like Figure 1 and Figure 2As shown, this utility model embodiment provides a wire harness assembly, including: a wire plug body 10, with multiple through holes between the two ends of the wire plug body 10, including a first through hole 11 and a second through hole 12; a functional wire 20 is inserted into the first through hole 11, and a non-functional wire 30 is inserted into the second through hole 12; the functional wire 20 and the non-functional wire 30 respectively have a first end and a second end arranged opposite to each other, the first end of the functional wire 20 is used to connect to a printed circuit board 40, the second end of the functional wire 20 is used to connect to a terminal 50, the length of the non-functional wire 30 is shorter than the length of the functional wire 20, and the first end of the non-functional wire 30 is used to connect to the printed circuit board 40; the wire harness assembly also includes a fixing component 60, which is used to fix the portion between the second end of the functional wire 20 and the wire plug body 10 and the second end of the non-functional wire 30.

[0027] In this embodiment, the wire plug body 10 is made of silicone rubber, and multiple through holes are provided between its two ends. These through holes include a first through hole 11 and a second through hole 12, wherein the first through hole 11 is used to pass through the functional wire 20, and the second through hole 12 is used to pass through the non-functional wire 30.

[0028] Both the functional conductor 20 and the non-functional conductor 30 have a first end and a second end that are arranged opposite to each other. For example... Figure 2 As shown, the left end of the wire is the first end, and the right end is the second end. The first end of the functional wire 20 is connected to a soldering hole (not shown in the figure) on the printed circuit board 40 by soldering, and the second end is connected to the corresponding terminal 50. The non-functional wire 30 is shorter than the functional wire 20. Its first end is also connected to the printed circuit board 40 by soldering, but its second end does not need to be connected to a terminal.

[0029] The wiring harness assembly also includes a fixing component 60, specifically in the form of tape. This fixing component 60 serves to simultaneously secure the portion between the second end of the functional wire 20 and the wire plug body 10, as well as the second end of the non-functional wire 30. This fixing method effectively prevents the wires (functional wire 20 and non-functional wire 30) from loosening or falling off due to vibration, thereby ensuring the sealing performance of the entire wiring harness assembly.

[0030] In practical applications, the non-functional wire 30 and the functional wire 20 have the same structure, except that the non-functional wire 30 is shorter, and its second end does not require a terminal connection. This ensures the overall structural stability of the wire harness assembly and avoids the various uncertainties caused by the traditional method of sealing unnecessary through holes with glue, thus simplifying the manufacturing process and improving reliability.

[0031] In one embodiment, a plurality of first through holes 11 are provided, and the plurality of first through holes 11 are evenly distributed along the circumference of the plug body 10; the second through hole 12 is located in the central region of the plurality of first through holes 11.

[0032] In this embodiment, multiple first through holes 11 are provided on the plug body 10, and these first through holes 11 are evenly arranged along the circumference of the plug body 10. Specifically, the multiple first through holes 11 are arranged in a ring on the end face of the plug body 10, and the intervals between them are equal. The second through hole 12 is located in the central area enclosed by the multiple first through holes 11, that is, at the axial center of the plug body 10.

[0033] Distributing multiple first through holes 11 evenly along the circumference ensures reasonable spacing between functional wires 20, preventing mutual interference during installation and use. Positioning the second through hole 12 at the center is identical to the structure of existing six-hole wire plug molds, eliminating the need for new mold development and allowing direct use of existing molds for production, thus reducing production costs. Simultaneously, this layout facilitates the fixing and management of non-functional wires 30, ensuring the structural stability of the entire wire harness assembly.

[0034] In one embodiment, the plug body 10 is a silicone rubber plug; the inner walls of the first through hole 11 and the second through hole 12 both have a stepped structure 13.

[0035] In this embodiment, both the inner walls of the first through hole 11 and the second through hole 12 are provided with stepped structures 13. Specifically, the stepped structure 13 is a radial protrusion formed on the inner wall of the through hole, constituting a first section with a larger inner diameter and a second section with a smaller inner diameter. The plug body 10 is made of silicone rubber, and this stepped structure 13 can provide a sealing effect when the plug body 10 is compressed.

[0036] When the wire plug body 10 is inserted into the mounting hole (not shown in the attached figure) of the device and subjected to external pressure, the stepped structure 13 can fit tightly against the functional wire 20 or the non-functional wire 30. In the tight-fitting state, the stepped structure 13 presses the corresponding wire together, thereby forming a reliable seal and effectively preventing moisture or other liquids from seeping in through the through hole. This design applies to both the first through hole 11 where the functional wire 20 is located and the second through hole 12 where the non-functional wire 30 is located, ensuring the sealing performance of the entire wire harness assembly.

[0037] It is worth noting that by setting a stepped structure 13 on the inner wall of the through hole, a good waterproof effect can be achieved without additional sealing measures. This structural design is simple, reliable, easy to process and manufacture, and also reduces manufacturing costs.

[0038] In one embodiment, a printed circuit board 40 is also included, which has a plurality of soldering holes; the first end of the functional wire 20 and the first end of the non-functional wire 30 are both connected to the corresponding soldering holes by soldering.

[0039] In this embodiment, as Figure 2 As shown, the wiring harness assembly also includes a printed circuit board 40. The printed circuit board 40 has six solder holes for electrically connecting to the first ends of the functional wires 20 and the non-functional wires 30, respectively. Five solder holes correspond to the first ends of the five functional wires 20, and the remaining solder hole corresponds to the first end of the non-functional wire 30.

[0040] Specifically, the first end of the functional conductor 20 and the first end of the non-functional conductor 30 are both securely connected to their corresponding soldering holes by soldering. During soldering, the conductors need to be stripped to expose the copper core, with a stripping length of 5±1mm. Lead-free soldering is used, and the soldering temperature is controlled between 350-380℃ to ensure the reliability of the solder joint. This soldering connection method effectively prevents the conductors from loosening or falling off due to vibration.

[0041] It is worth noting that although the non-functional wire 30 does not perform any actual electrical function, the practice of soldering its first end to the printed circuit board 40 is of great significance: on the one hand, it maintains the same assembly method as the original six-hole wire plug product, avoiding process changes; on the other hand, the soldering fixation provides additional mechanical support, further enhancing the structural stability of the entire wire harness assembly.

[0042] In one embodiment, the fixing component 60 includes tape; the tape is wrapped between one end face of the plug body 10 and the second end of the functional wire 20; the tape completely covers and fixes the second end of the non-functional wire 30; wherein the distance from one end face of the non-functional wire 30 to the fixing component 60 is less than a preset value.

[0043] In this embodiment, the fixing component 60 of the wire harness assembly is in the form of adhesive tape. The tape is wound in the area between one end face of the wire plug body 10 and the second end of the functional wire 20. In practical applications, the tape is wound from the outer surface of the wires (functional wire 20 and non-functional wire 30) in a spiral winding manner, layer by layer. For the non-functional wire 30, the tape completely covers and fixes its second end to ensure that it will not shift or loosen due to vibration.

[0044] Specifically, the distance from one end face of the non-functional wire 30 to the fixing component 60 needs to be controlled within a preset value, specifically less than 20mm. This size requirement is set mainly based on the following considerations: excessive exposed length may cause the wire to swing in a vibration environment, affecting the overall sealing performance.

[0045] By using adhesive tape as the fixing component 60 and reasonably controlling the dimensional parameters of each part, various problems caused by the use of adhesive for fixing in the original technical solution can be effectively solved, such as long adhesive curing time, complex process, and unstable reliability. This improvement not only simplifies the production process but also improves the consistency and reliability of the wire harness assembly.

[0046] In one embodiment, the length of the non-functional conductor 30 is less than one-third of the length of the functional conductor 20; the length of the non-functional conductor 30 ranges from 65 to 80 mm.

[0047] In this embodiment, the length of the non-functional conductor 30 is less than one-third of the length of the functional conductor 20. This design ensures that the non-functional conductor 30 has sufficient length for PCB board soldering and fixing, while avoiding material waste and management inconvenience caused by excessively long non-functional conductors.

[0048] More specifically, the length of the non-functional conductor 30 is set within the range of 65-80 mm. This length range is determined primarily based on the following considerations:

[0049] First, the non-functional wire 30 needs to be long enough to ensure that it can pass through the wire plug body 10 and be reliably soldered to the printed circuit board 40 (PCB). Considering that the length of the wire plug body 10 is approximately 30mm, plus the length required for soldering on the PCB and for the covering of the fixing component 60, 65mm is the length that meets the basic functional requirements.

[0050] Secondly, the maximum length is limited to 80mm because exceeding this length not only wastes materials but also affects the neatness and ease of installation of the entire wiring harness assembly due to the excess wire length. Furthermore, longer non-functional wires may increase the risk of loosening due to vibration.

[0051] In one embodiment, the exposed length L1 of both the functional wire 20 and the non-functional wire 30 from one end face of the plug body 10 to the starting position of the fixing member 60 is less than 20 mm; the length of the fixing member 60 wrapping around the non-functional wire 30 is not less than 10 mm.

[0052] In this embodiment, the exposed lengths of both the functional wire 20 and the non-functional wire 30 from one end face of the plug body 10 to the starting position of the fixing member 60 are limited to less than 20 mm. This dimensional design is primarily based on the following considerations:

[0053] First, excessive exposed length can cause the wires to swing significantly under vibration, affecting the overall sealing performance. Keeping the exposed length below 20mm can effectively reduce the swing amplitude of the wires and improve the stability of the wiring harness assembly under vibration.

[0054] Second, the wrapping length of the fixing component 60 (i.e., the tape) around the non-functional wire 30 shall not be less than 10 mm. This minimum wrapping length requirement is to ensure that the non-functional wire 30 can be adequately fixed. In specific implementation, the fixing component 60 is wound around the non-functional wire 30 in a spiral manner, with an overlap rate of not less than 50% for each turn, to ensure the firmness of the wrapping.

[0055] In one embodiment, there are five first through holes 11, which are evenly distributed around the circumference of the plug body 10. Each first through hole 11 is provided with a functional wire 20. There is one second through hole 12, which is located in the central area of ​​the five first through holes 11.

[0056] In this embodiment, the plug body 10 is provided with five first through holes 11, which are evenly distributed along the circumference of the plug body 10. In addition, one second through hole 12 is provided, located in the central area enclosed by the five first through holes 11. This layout design is mainly based on the following technical considerations:

[0057] First, the five first through holes 11 are evenly distributed in a ring on the end face of the plug body 10, with equal included angles between each first through hole 11, ensuring a reasonable spacing between the functional wires 20. This uniform arrangement avoids mutual interference between the functional wires 20 during assembly and use, and also facilitates subsequent fixing and management.

[0058] Secondly, a single second through hole 12 is positioned in the central region of the five first through holes 11, that is, at the axial center of the plug body 10. This design perfectly matches the mold structure of the existing six-hole plug. This means that existing six-hole plug molds can be used directly for production without the need to develop new molds, thus significantly reducing production costs. Functional wires 20 are threaded through each of the five first through holes 11, while non-functional wires 30 are threaded through the central second through hole 12.

[0059] In one embodiment, an automotive pedal wiring harness is also provided, primarily used for signal transmission in automotive pedals. The automotive pedal wiring harness includes a printed circuit board 40 (PCB) and a wiring harness assembly as described in any of the foregoing embodiments.

[0060] Specifically, the printed circuit board 40 has six soldering holes. These soldering holes are electrically connected to the first end of five functional conductors 20 and the first end of one non-functional conductor 30, respectively. During soldering, the conductors need to be stripped to expose the copper core, with the stripping length controlled within the range of 5.0±1mm. Lead-free soldering is used, and the soldering temperature is maintained between 350-380℃ to ensure the strength and reliability of the solder joint.

[0061] At the other end (i.e., the second end) of the functional wire 20, a corresponding terminal 50 is connected. These terminals 50 are used to connect to other electrical components on the vehicle pedal, thereby enabling signal transmission. The non-functional wire 30 does not require terminal connections; its main function is to utilize existing six-hole wire plug molds and maintain the structural stability of the entire wiring harness assembly by soldering it to the PCB board.

[0062] In practical applications, this automotive pedal wiring harness has the following advantages: by adopting the aforementioned wiring harness assembly structure, the cost of developing new molds is avoided; waterproof and sealing performance is guaranteed, meeting the usage requirements of automotive pedals under various working conditions; the production process is simple, eliminating the need for complex glue sealing processes and improving production efficiency; the structure is reliable, effectively preventing wire loosening or detachment caused by vibration.

[0063] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any person skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope disclosed in this utility model, and these modifications or substitutions should all be covered within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.

Claims

1. A wire harness assembly, characterized in that, include: The wire harness assembly includes a wire plug body with multiple through holes between its two ends, including a first through hole and a second through hole. A functional wire passes through the first through hole, and a non-functional wire passes through the second through hole. The functional wire and the non-functional wire each have a first end and a second end that are arranged opposite to each other. The first end of the functional wire is used to connect to a printed circuit board, and the second end of the functional wire is used to connect to a terminal. The non-functional wire is shorter than the length of the functional wire, and its first end is used to connect to the printed circuit board. The wire harness assembly also includes a fixing component for fixing the portion between the second end of the functional wire and the wire plug body, as well as the second end of the non-functional wire.

2. The wire harness assembly according to claim 1, characterized in that, The first through hole is provided in multiple ways, and the multiple first through holes are evenly distributed along the circumference of the plug body; the second through hole is located in the central region of the multiple first through holes.

3. The wire harness assembly according to claim 1, characterized in that, The plug body is a silicone rubber plug; the inner walls of the first through hole and the second through hole both have a stepped structure.

4. The wire harness assembly according to claim 1, characterized in that, It also includes a printed circuit board, which has multiple soldering holes; the first end of the functional wire and the first end of the non-functional wire are both connected to the corresponding soldering holes by soldering.

5. The wire harness assembly according to claim 1, characterized in that, The fixing component includes an adhesive tape; the tape is wound between one end face of the plug body and the second end of the functional wire; the tape completely covers and fixes the second end of the non-functional wire; wherein the distance from one end face of the plug body to the fixing component is less than a preset value.

6. The wire harness assembly according to claim 1, characterized in that, The length of the non-functional conductor is less than one-third of the length of the functional conductor; the length range of the non-functional conductor is 65-80mm.

7. The wire harness assembly according to claim 1, characterized in that, The exposed lengths of both the functional and non-functional wires from one end face of the plug body to the starting position of the fixing component are less than 20 mm; the length of the non-functional wire wrapped around the fixing component is not less than 10 mm.

8. The wire harness assembly according to any one of claims 1-7, characterized in that, There are five first through holes, which are evenly distributed around the circumference of the plug body. Each first through hole contains a functional wire. There is one second through hole, which is located in the central area of ​​the five first through holes.

9. A car pedal wiring harness, characterized in that, include: The printed circuit board and the wire harness assembly as described in any one of claims 1 to 8, wherein the printed circuit board is connected to a first end of a functional wire and a first end of a non-functional wire, and a second end of the functional wire is connected to a terminal.

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