Device for testing insertion and extraction force of plug

By using plug insertion and extraction force testing equipment to simulate the movement of high-voltage equipment during a car collision, the length of the plug harness and the strength of the fixing point were optimized, solving the problem of high-voltage plugs being pulled out during a vehicle collision, reducing the risk of fire, and ensuring the safety of drivers and passengers.

CN223783775UActive Publication Date: 2026-01-09NIO TECH ANHUI CO LTD
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Patent Information

Application Number
CN202520241309.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-14
Publication Date
2026-01-09
Estimated Expiration
2035-02-14

AI Technical Summary

Technical Problem

The high-voltage plug of existing vehicles may fail to disconnect during a collision, potentially leading to a high-voltage short circuit and fire risk.

Method used

A device for testing the insertion and extraction force of a plug is provided. The device drives the plug and socket to move, simulating the movement of high-voltage equipment during a car collision. This optimizes the wire harness length and fixing point strength of the plug, preventing the plug from becoming detached and failing.

Benefits of technology

By accurately simulating the plug state during a vehicle collision, the risk of high-voltage plugs being pulled out is avoided, reducing the risk of fire and ensuring the safety of passengers.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of test equipment, specifically provides a test device for the plugging force of a plug, and aims to solve the problem that a high-voltage plug fails to be pulled out when a conventional vehicle is collided. Therefore, the testing equipment comprises a fixing device and a driving device, the fixing device is installed on the driving device, the fixing device is used for fixing a wire harness of a plug to be tested, the driving device can be fixedly connected with a socket to be tested, the socket is matched with the plug in a plugging mode, and the driving device can drive the socket to move. The driving device drives the plug and the socket to move, so that the real movement condition of high-voltage equipment of an automobile and the connection and pull-out states of the plug and the high-voltage equipment can be simulated when the automobile is collided, and the safety of the automobile can be improved by reasonably setting the length of a wire harness of the plug and the strength of a wire harness fixing point and optimizing the plugging force of the plug and the like. Therefore, the high-voltage plug is prevented from being pulled out and losing efficacy when the vehicle is collided, and the driving safety is ensured.
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Description

Technical Field

[0001] This utility model relates to the field of testing equipment technology, specifically providing a testing device for the insertion and extraction force of a plug. Background Technology

[0002] As people's living standards improve, cars have gradually become an indispensable means of transportation in people's daily lives.

[0003] During rigorous frontal crash testing in the automotive development phase, insufficient length of the high-voltage wiring harness and significant local deformation of the front compartment can lead to substantial rearward displacement of the high-voltage equipment. This can result in the high-voltage connector plugs becoming detached and damaged. If this failure occurs before the vehicle's high-voltage power is cut off, a high-voltage short circuit in the connector is highly likely. The resulting sparks and heat could ignite surrounding flammable components, potentially causing a fire. Therefore, it is crucial to prevent the connectors from failing due to being pulled out before the vehicle's high-voltage power is cut off.

[0004] Therefore, a new technical solution is needed in this field to solve the above problems. Utility Model Content

[0005] The present invention aims to solve the above-mentioned technical problem, namely, to solve the problem of high-voltage plug failure during collision in existing vehicles.

[0006] In a first aspect, the present invention provides a testing device for the insertion and extraction force of a plug. The testing device includes a fixing device and a driving device. The fixing device is mounted on the driving device and is used to fix the wire harness of the plug to be tested. The driving device can be fixedly connected to the socket to be tested. The socket is inserted and mated with the plug. The driving device can drive the socket to move.

[0007] By adopting the above technical solution, this utility model uses a drive device to move the plug and socket, which can simulate the actual movement of the high-voltage equipment of a car during a collision, as well as the connection and disconnection status of the plug and the high-voltage equipment. By reasonably setting the length of the plug's wiring harness, the strength of the wiring harness fixing point, and optimizing the plug's insertion and extraction force, the high-voltage plug can be prevented from failing to disconnect during a collision, thus avoiding fire and ensuring the safety of drivers and passengers.

[0008] In the preferred embodiment of the above-mentioned plug insertion and extraction force testing device, the fixing device includes a vertical plate and a horizontal plate, the driving device includes a fixed platform, the horizontal plate is fixedly connected to the fixed platform, the bottom end of the vertical plate is fixedly connected to or integrally formed with the horizontal plate, and the vertical plate is provided with a fixing component for fixing the wire harness.

[0009] In the technical scheme, the fixing device is vertically arranged and horizontally arranged, simple in structure, and fixed to the fixing platform through the horizontal plate, convenient to install and disassemble, and the fixing member arranged on the vertical plate can fix the wire harness to simulate the actual arrangement of the wire harness on the vehicle.

[0010] In the preferred technical scheme of the test equipment for the plug-in force of the plug, the fixing member is a wire harness support.

[0011] In the technical scheme, the fixing member is a wire harness support, common in material, simple and convenient to install, and cost-saving.

[0012] In the preferred technical scheme of the test equipment for the plug-in force of the plug, the wire harness support is provided with a wire clamp, and the wire harness passes through the wire clamp.

[0013] In the technical scheme, the wire clamp is arranged on the wire harness support to facilitate the fixing and disassembling of the wire harness.

[0014] In the preferred technical scheme of the test equipment for the plug-in force of the plug, the number of the wire harness supports is multiple, and the multiple wire harness supports are distributed along the horizontal direction.

[0015] In the technical scheme, the multiple wire harness supports can more accurately simulate the installation position of the wire harness on the vehicle, so that the test environment is closer to the actual situation.

[0016] In the preferred technical scheme of the test equipment for the plug-in force of the plug, the horizontal plate is detachably fixed to the fixing platform.

[0017] In the technical scheme, the horizontal plate is detachably fixed to the fixing platform, which is convenient to disassemble.

[0018] In the preferred technical scheme of the test equipment for the plug-in force of the plug, the socket comprises a shell, the shell is provided with a socket hole, the plug is inserted into the socket hole, the driving device comprises a driving mechanism, and the driving mechanism can be fixedly connected with the shell and drive the shell to move.

[0019] In the technical scheme, the plug is inserted into the socket hole, simple in structure, convenient to install and disassemble, the shell is driven to move by the driving mechanism to simulate the movement of the high-voltage equipment when the vehicle collides, simple in form, and convenient to operate.

[0020] In the test equipment for the plug-in force of the plug, the housing is provided with a clamping portion, and the driving mechanism can clamp the clamping portion to drive the socket to move.

[0021] In the test equipment for the plug-in force of the plug, the housing is provided with a clamping portion, and the driving mechanism can clamp the clamping portion to drive the socket to move.

[0022] In the test equipment for the plug-in force of the plug, the driving device can drive the socket to move in a direction perpendicular to the plug-in direction of the plug.

[0023] In the test equipment for the plug-in force of the plug, the driving device can drive the socket to move in a direction perpendicular to the plug-in direction of the plug.

[0024] In the test equipment for the plug-in force of the plug, the driving device is a tensile testing machine.

[0025] In the test equipment for the plug-in force of the plug, the driving device is a tensile testing machine. BRIEF DESCRIPTION OF DRAWINGS

[0026] The preferred embodiments of the present application will be described below with reference to the accompanying drawings. In the drawings:

[0027] Figure 1 is a structural schematic view of the test equipment for the plug-in force of the plug of the present application.

[0028] LIST OF REFERENCE NUMERALS

[0029] 1, plug; 11, wire harness;

[0030] 2, socket; 21, housing; 22, socket; 23, clamping portion;

[0031] 3, fixing device; 31, vertical plate; 32, horizontal plate; 33, wire harness support;

[0032] 4, driving device; 41, fixed platform; 42, driving mechanism. DETAILED DESCRIPTION

[0033] The preferred embodiments of the present application will be described below with reference to the accompanying drawings. In the drawings:

[0034] It should be noted that in the description of the utility model, the terms "top", "bottom", "upper", "lower" and other terms indicating direction or positional relationship are based on the direction or positional relationship shown in the drawings, which is merely for the convenience of description, and does not indicate or imply that the device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0035] In addition, it should be noted that in the description of the utility model, unless otherwise explicitly specified and limited, the terms "arrangement", "connection", "installation" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected.

[0036] Based on the problem of high-voltage plug pull-out failure of the existing vehicle in the collision, the utility model provides a plug-in force testing device of plug, which aims to drive the plug and the socket to move through the driving device, can simulate the real movement of the high-voltage equipment of the automobile when the automobile collides, and the connection and pull-out state of the plug and the high-voltage equipment, so as to avoid the high-voltage plug pull-out failure of the vehicle in the collision by reasonably setting the length of the wire harness of the plug, the strength of the wire harness fixing point and optimizing the plug-in force of the plug, etc., avoid the occurrence of fire and ensure the safety of driving and riding.

[0037] Specifically, first refer to Figure 1 , Figure 1 It is the structure diagram of the plug-in force testing device of the plug of the utility model.

[0038] As Figure 1 shown, the utility model provides a kind of plug-in force testing device of plug 1, testing device includes fixed device 3 and driving device 4, fixed device 3 is installed on driving device 4, fixed device 3 is used to fix the wire harness 11 of plug 1 to be tested, driving device 4 can be fixedly connected with the socket 2 to be tested, socket 2 is inserted with plug 1, and driving device 4 can drive socket 2 to move.

[0039] Exemplarily, as Figure 1 shown, the plug-in force testing device of plug 1 of the utility model is simulated to test that high-voltage equipment instantaneously occurs displacement when vehicle collides, and the pull-out state of plug 1, to ensure that plug 1 pull-out occurs after high-voltage equipment is powered off, so as to ensure the safety of driving and riding.

[0040] In this system, socket 2 simulates the connection point of plug 1 of high-voltage equipment, and fixing device 3 simulates the fixed position of wiring harness 11 on the vehicle. Plug 1 is inserted into socket 2, and wiring harness 11 is fixed to fixing device 3 according to the actual installation position of the vehicle. Drive device 4 moves plug 1 and socket 2 to simulate the position of high-voltage equipment when the vehicle collides. By moving plug 1 and socket 2 through drive device 4, the actual movement of high-voltage equipment in the car during a collision can be simulated, as well as the connection and disconnection status of plug 1 and high-voltage equipment. Through repeated testing, the length of wiring harness 11 in plug 1, the strength of the fixing point of wiring harness 11, and the insertion and extraction force of plug 1 can be reasonably set, thereby preventing the high-voltage plug 1 from failing to disconnect during a collision, avoiding fire, and ensuring the safety of passengers.

[0041] It should be noted that this utility model does not limit the form of the fixing device 3. For example, those skilled in the art can set the fixing device 3 as a fixing plate or a fixing rod, etc., as long as it can simulate the actual installation position of the wiring harness 11 on the vehicle. Such adjustments and changes to the specific structural form of the fixing device 3 do not deviate from the principle and scope of this utility model and should be limited to the protection scope of this utility model.

[0042] Preferably, such as Figure 1 As shown, the fixing device 3 of this utility model includes a vertical plate 31 and a horizontal plate 32, the driving device 4 includes a fixing platform 41, the horizontal plate 32 is fixedly connected to the fixing platform 41, the bottom end of the vertical plate 31 is fixedly connected to or integrally set with the horizontal plate 32, and a fixing component for fixing the wire harness 11 is provided on the vertical plate 31.

[0043] For example, such as Figure 1 As shown, the horizontal plate 32 of this utility model is fixed on the fixed platform 41, and the vertical plate 31 is vertically arranged at one end of the horizontal plate 32. The vertical plate 31 and the horizontal plate 32 are L-shaped as a whole, and the wire harness 11 is fixed on the vertical plate 31 by a fixing component.

[0044] It should be noted that this utility model does not limit the structural form of the fixing component. For example, those skilled in the art can set the fixing component as a wire harness bracket or a cable tie, etc. Such adjustments and changes to the specific structural form of the fixing component do not deviate from the principle and scope of this utility model and should be limited to the protection scope of this utility model.

[0045] Preferably, such as Figure 1 As shown, the fixing component of this utility model is a wire harness bracket 33.

[0046] By setting a wire harness bracket 33 on the vertical plate 31, the wire harness bracket 33 can fix the wire harness 11, thereby preventing the wire harness 11 from moving, protecting the wire harness 11, and accurately simulating the fixed position of the wire harness 11 on the vehicle.

[0047] Preferably, such as Figure 1 As shown, the wire harness bracket 33 of this utility model is provided with a wire clamp, and the wire harness 11 passes through the wire clamp.

[0048] For example, such as Figure 1 As shown, the wire harness 11 of this utility model passes through the wire clamp, which can hold the wire harness 11, thereby standardizing the direction of the wire harness 11 and ensuring the normal operation of the wire harness 11.

[0049] It should be noted that this utility model does not limit the number of wire harness brackets 33. For example, those skilled in the art can set two or three wire harness brackets 33, etc. Such adjustments and changes to the specific number of wire harness brackets 33 do not deviate from the principle and scope of this utility model and should be limited to the protection scope of this utility model.

[0050] Preferably, such as Figure 1 As shown, the present invention has multiple wire harness brackets 33, which are distributed at intervals along the horizontal direction.

[0051] For example, such as Figure 1 As shown, the vertical plate 31 of this utility model is provided with two wire harness brackets 33. The two wire harness brackets 33 are set according to the fixed position of the wire harness 11 on the vehicle, so that the test environment is more similar and the test data is more accurate.

[0052] Preferably, such as Figure 1 As shown, the horizontal plate 32 of this utility model is detachably and fixedly connected to the fixed platform 41.

[0053] During the testing process, the wire harness 11 and the wire harness bracket 33 will be damaged to varying degrees due to repeated pulling. The horizontal plate 32 is detachably and fixedly connected to the fixed platform 41, which facilitates the disassembly and replacement of the wire harness 11 and the wire harness bracket 33.

[0054] Preferably, such as Figure 1 As shown, the socket 2 of this utility model includes a housing 21, and a socket 22 is provided on the housing 21. The plug 1 is inserted into the socket 22. The driving device 4 includes a driving mechanism 42, which can be fixedly connected to the housing 21 and drive the housing 21 to move.

[0055] For example, such as Figure 1As shown in the figure, the shell 21 of the socket 2 is in the shape of a cube, the shell 21 is provided with a socket 22 matched with the socket 2, the socket 2 is inserted into the socket 22, the driving mechanism 42 can drive the socket 2 and the plug 1 to move up and down, so as to simulate the moving condition of the high-voltage equipment when the vehicle collides.

[0056] It should be noted that the utility model does not limit the connection mode of the driving mechanism 42 and the socket 2, for example, the person skilled in the art can set the metal sheet on the shell 21 of the socket 2, the driving mechanism 42 clamps the metal sheet to drive the socket 2 to move, or the socket 2 can also be set as a magnetic piece, the driving mechanism 42 drives the socket 2 to move through the magnetic force and the like, and the adjustment and change of the specific connection mode of the driving mechanism 42 and the socket 2 do not deviate from the principle and range of the utility model, and should be limited within the protection scope of the utility model.

[0057] Preferably, as shown in the figure, Figure 1 The shell 21 of the utility model is provided with the clamping part 23, and the driving mechanism 42 can clamp the clamping part 23 to drive the socket 2 to move.

[0058] Exemplarily, as shown in the figure, Figure 1 The shell 21 of the utility model is provided with the metal sheet, the metal sheet is perpendicular to the shell 21 and is arranged in the direction perpendicular to the plug-in direction of the plug 1, and the driving mechanism 42 can clamp the metal sheet to drive the socket 2 to move.

[0059] It should be noted that the utility model does not limit the setting position of the clamping part 23, for example, the person skilled in the art can also set the clamping part 23 along the plug-in direction of the plug 1 and the like, and the adjustment and change of the specific setting position of the clamping part 23 do not deviate from the principle and range of the utility model, and should be limited within the protection scope of the utility model.

[0060] It should be further noted that the utility model does not limit the form of the clamping part 23, for example, the person skilled in the art can also set the clamping part 23 as a metal column or a metal block and the like, and the adjustment and change of the specific form of the clamping part 23 do not deviate from the principle and range of the utility model, and should be limited within the protection scope of the utility model.

[0061] Preferably, as shown in the figure, Figure 1 The driving mechanism 42 of the utility model can drive the socket 2 to move in the direction perpendicular to the plug-in direction of the plug 1.

[0062] Exemplarily, as shown in the figure, Figure 1As shown, the driving mechanism 42 can drive the socket 2 and the plug 1 to move along the up-down direction, so that the displacement condition actually generated by the high-voltage equipment when the vehicle collides can be accurately simulated, thereby testing the pulling-out condition of the plug 1, making the test environment more close to the working condition when the actual collision occurs, making the test data more accurate, thereby through repeated tests, the length of the wire harness 11 of the plug 1, the strength of the wire harness 11 fixing point and the plug-in and pull-out force of the plug 1 are reasonably set, thereby avoiding the high-voltage plug 1 from being pulled out and failed when the vehicle collides, avoiding the occurrence of fire, and ensuring the safety of driving and riding.

[0063] Preferably, as Figure 1 As shown, the driving device 4 is a tensile testing machine.

[0064] Exemplarily, as ​ As shown, the driving device 4 is a tensile testing machine, and the tensile testing machine is a commonly used tensile testing equipment in a laboratory, which is simple and convenient to operate, powerful, and improves the test efficiency of the test equipment of the plug-in and pull-out force of the plug 1.

[0065] Those skilled in the art can understand that although some embodiments described herein include certain features included in other embodiments but not other features, the combination of features of different embodiments means to be within the scope of the application and form different embodiments. For example, in the claims of the application, any one of the claimed embodiments can be used in any combination.

[0066] So far, the technical scheme of the utility model has been described in combination with the preferred embodiments shown in the drawings, but those skilled in the art can easily understand that the protection scope of the utility model is obviously not limited to these specific embodiments. Those skilled in the art can make equivalent changes or replacements to related technical features without departing from the principles of the utility model, and the technical schemes after the changes or replacements will fall within the protection scope of the utility model.

Claims

1. A plug-in force testing apparatus for a plug, characterized by comprising: The test device comprises a fixing device (3) and a driving device (4), the fixing device (3) is installed on the driving device (4), the fixing device (3) is used for fixing a wire harness (11) of a plug (1) to be tested, the driving device (4) can be fixedly connected with a socket (2) to be tested, the socket (2) is in plug-in cooperation with the plug (1), and the driving device (4) can drive the socket (2) to move.

2. The plug-in force test apparatus for a plug according to claim 1, wherein The fixing device (3) comprises a vertical plate (31) and a horizontal plate (32), the driving device (4) comprises a fixing platform (41), the horizontal plate (32) is fixedly connected with the fixing platform (41), the bottom end of the vertical plate (31) is fixedly connected with or integrally arranged with the horizontal plate (32), and the vertical plate (31) is provided with a fixing member for fixing the wire harness (11).

3. The plug-in force test apparatus for a plug according to claim 2, wherein The fixing member is a wire harness support (33).

4. The plug-in force test apparatus for a plug according to claim 3, wherein The wire harness support (33) is provided with a wire clamp, and the wire harness (11) passes through the wire clamp.

5. The plug-in force test apparatus for a plug according to claim 2, wherein The number of the wire harness supports (33) is multiple, and the multiple wire harness supports (33) are distributed in the horizontal direction.

6. The plug-in force test apparatus for a plug according to claim 2, wherein The horizontal plate (32) and the fixing platform (41) are detachably fixedly connected.

7. The plug-in force test apparatus for a plug according to claim 1, wherein The socket (2) comprises a shell (21), the shell (21) is provided with a socket hole (22), the plug (1) is inserted into the socket hole (22), the driving device (4) comprises a driving mechanism (42), the driving mechanism (42) can be fixedly connected with the shell (21) and drive the shell (21) to move.

8. The plug-in force test apparatus for a plug according to claim 7, wherein The shell (21) is provided with a clamping portion (23), and the driving mechanism (42) can clamp the clamping portion (23) to drive the socket (2) to move.

9. The plug-in force test apparatus for a plug according to Claim 1, wherein The driving device (4) can drive the socket (2) to move in a direction perpendicular to the plug-in direction of the plug (1).

10. The plug-in force test apparatus of any one of claims 1 to 9, wherein The driving device (4) is a tensile testing machine.