A wire harness air tightness detection device

Abstract

The utility model relates to the technical field of wire harness detection, specifically disclose a wire harness air tightness detection device, including base and install air tightness detection subassembly on base, the air tightness detection subassembly is set up on the detection port of being adapted to wire harness body, the base is slidably connected with a bearing plate, and the air tightness detection subassembly is set up with the fixing spare for fixing wire harness body between bearing plate, the air tightness detection subassembly one side is provided with start button, and bearing plate is provided with for triggering unit, and the base is provided with for drive bearing plate in the base sliding drive spare. The bearing plate drives the stroke of wire harness body sliding to fix wire harness body through the fixing spare, can improve the stability of wire harness body when carrying out air tightness detection operation, and when triggering unit and start button contact after will start air tightness detection subassembly, carries out air tightness detection operation to wire harness body, satisfies the work need.

Description

Technical Field

[0001] This utility model relates to the field of wire harness testing technology, specifically a wire harness airtightness testing device. Background Technology

[0002] A wiring harness is an assembly consisting of contact terminals and wires / cables crimped together, then covered with a molded insulator or metal casing, and finally bundled together to form a circuit. As a crucial component inside a vehicle, the quality and safety of the vehicle during operation are directly related to its wiring harness. To ensure quality, wiring harnesses undergo appropriate testing before leaving the factory.

[0003] As is well known, wiring harnesses are a crucial component of automotive electrical systems. Air leaks in the internal wires and connectors can lead to safety hazards such as electrical leakage, short circuits, or fires. Air tightness testing allows for the timely detection and repair of leaks, ensuring the normal operation of the vehicle and driving safety. Air tightness testing equipment is used during these tests.

[0004] For example, Chinese patent CN215952900U, entitled "A Wiring Harness Airtightness Testing Device," discloses a wiring harness airtightness testing device, including an airtightness testing box. The side wall of the airtightness testing box has a mounting hole, and the wall of the mounting hole has an annular groove. A sealant layer is coated on the groove wall. A sealing kit is inserted into the mounting hole. A clearance groove for accommodating the wall of the mounting hole is formed on the side wall of the sealing kit. A boss that mates with the groove is embedded in the groove. The sealant layer is attached between the groove wall and the boss. An accommodating cavity is formed inside the sealing kit along its length. A clearance groove is formed on the side wall of the accommodating cavity along its circumference. An annular sealing ring is slidably disposed within the clearance groove. A compressed spring is fixedly disposed between the clearance groove wall and the sealing ring, holding the sealing ring against the clearance groove wall.

[0005] The aforementioned patent describes a wiring harness airtightness testing device that can effectively improve the accuracy of wiring harness testing. It is known that to improve the efficiency of wiring harness testing, it is usually necessary to actively transport the automotive wiring harness into the airtightness testing device, and then actively activate the device to perform the testing, a cumbersome process. Utility Model Content

[0006] The purpose of this invention is to provide a wire harness airtightness testing device to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a wire harness airtightness testing device, comprising a base and an airtightness testing component mounted on the base, the airtightness testing component having a testing port adapted to the wire harness body, a support plate slidably connected to the base, and a fixing member for fixing the wire harness body provided between the airtightness testing component and the support plate; a start button is provided on one side of the airtightness testing component, and a triggering unit is provided on the support plate; and a driving member for driving the support plate to slide on the base is provided on the base.

[0008] Furthermore, the driving component includes a mounting block fixedly connected to the base. The base has a sliding groove adapted to the mounting block. The mounting block is slidably connected to the base through the sliding groove. A power cylinder is provided on the base, and the mounting block is located at the output end of the power cylinder.

[0009] Furthermore, the support plate is provided with an installation groove, and the fixing component includes two clamping plates that are slidably connected to both sides of the installation groove. A pressure application unit is provided between the airtightness detection component and the two clamping plates.

[0010] Furthermore, the pressure application unit includes a trigger rod fixedly connected to the airtightness detection component, a trigger block fixedly connected to the clamping plate, and a trigger groove provided on the trigger block, with the trigger rod abutting against the trigger groove.

[0011] Furthermore, a spring is provided between each of the clamping plates and the bearing plate, and the elastic force of the spring drives the two clamping plates to move away from each other.

[0012] Furthermore, the triggering unit includes an extension plate fixedly connected to the support plate, and an abutment portion is fixedly connected to the extension plate, the abutment portion intermittently abutting against the start button.

[0013] Furthermore, a slide rail is fixedly connected to the base, and a guide groove adapted to the slide rail is provided on the support plate. The support plate is slidably connected to the base through the cooperation between the guide rail and the guide groove.

[0014] Furthermore, the two clamping plates are connected by a transmission unit.

[0015] Furthermore, the transmission unit includes a rotating rod with a spur gear mounted on it, and a rack is fixedly connected to the bottom of each clamping plate, with the two racks meshing on both sides of the spur gear respectively.

[0016] Furthermore, an anti-slip pad is provided on the bottom of the base.

[0017] Compared with existing technologies, the advantages of this invention are as follows: When the airtightness testing device is needed, the wire harness body is first mounted on the support plate. Then, the support plate is driven to slide towards the airtightness testing component by a driving component. During the sliding stroke of the wire harness body, the support plate fixes the wire harness body with a fixing component, which improves the stability of the wire harness body during airtightness testing and results in better performance. Furthermore, when the trigger unit contacts the start button, the airtightness testing component is activated to perform airtightness testing on the wire harness body, meeting the work requirements. During this process, there is no need to separately control the activation of the airtightness testing component, further improving the working efficiency of the testing device. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0019] Figure 1 A schematic diagram of the overall structure provided for an embodiment of this utility model;

[0020] Figure 2 This is a schematic diagram of the overall structure from another perspective, provided for an embodiment of the present utility model.

[0021] Figure 3 A partial structural schematic diagram provided for an embodiment of this utility model;

[0022] Figure 4 A schematic diagram of the bearing plate structure provided in an embodiment of this utility model;

[0023] Figure 5 This is a partial structural diagram of the fastener provided in an embodiment of the present utility model.

[0024] Explanation of reference numerals in the attached drawings: 1. Base; 2. Air tightness testing component; 3. Testing port; 4. Start button; 5. Mounting slot; 6. Slide rail; 7. Support plate; 8. Wiring harness body; 9. Extension plate; 10. Abutment part; 11. Clamping plate; 12. Spring; 13. Trigger block; 14. Trigger groove; 15. Trigger rod; 16. Slide groove; 17. Mounting block; 18. Power cylinder. Detailed Implementation

[0025] 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, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Please see Figures 1-5 This utility model provides a technical solution: a wire harness airtightness testing device, including a base 1 and an airtightness testing component 2 installed on the base 1. The airtightness testing component 2 has a testing port 3 adapted to the wire harness body 8. A support plate 7 is slidably connected to the base 1. A fixing member for fixing the wire harness body 8 is provided between the airtightness testing component 2 and the support plate 7. A start button 4 is provided on one side of the airtightness testing component 2, and a triggering unit is provided on the support plate 7. A driving member for driving the support plate 7 to slide on the base 1 is provided on the base 1.

[0027] Specifically, the wire harness airtightness testing device includes a base 1 and an airtightness testing component 2 mounted on the base 1. The airtightness testing component 2 is existing technology and can employ a pneumatic testing method. The airtightness testing component 2 has a testing port 3 adapted to the wire harness body 8. During testing, the wire harness body 8 is inserted into the testing port 3. The operation process is as follows: 1. Inflation: Seal the wire harness and inflate it with gas at a certain pressure; 2. Pressure Stabilization: Wait for the pressure to stabilize; 3. Testing: Use a pressure sensor to monitor pressure changes. If the pressure drops beyond a set threshold within a specified time, it is determined to be a leak. More detailed operational procedures are not elaborated here. A support plate 7 is slidably connected to the base 1. A fixing member for securing the wire harness body 8 is provided between the airtightness testing component 2 and the support plate 7. Therefore, when airtightness testing of the wire harness body 8 is required, the wire harness body 8 is mounted on the support plate 7. During the sliding motion of the wire harness by the support plate 7, the fixing member secures the wire harness body 8, improving the stability of the wire harness body 8 during airtightness testing and resulting in better performance. A start button 4 is provided on one side of the airtightness testing component 2, and a trigger unit is provided on the support plate 7. When the start button 4 is pressed, the airtightness testing component 2 is activated to perform airtightness testing on the wire harness body 8, meeting operational requirements. A driving component is provided on the base 1 to drive the support plate 7 to slide within the base 1. Therefore, when using this airtightness testing device, the wire harness body 8 is first installed on the support plate 7. Then, the support plate 7 is driven to slide closer to the airtightness testing component 2 by the drive component. During the sliding stroke of the support plate 7, the wire harness body 8 is fixed by the fixing component, which can improve the stability of the wire harness body 8 during airtightness testing and improve the performance. When the trigger unit contacts the start button 4, the airtightness testing component 2 will be activated to perform airtightness testing on the wire harness body 8, meeting the work requirements. In this process, there is no need to use separate control to start the airtightness testing component 2, further improving the working efficiency of the testing device.

[0028] In the embodiments provided by this utility model, the driving component includes a mounting block 17 fixedly connected to the base 1. The base 1 has a sliding groove 16 adapted to the mounting block 17. The mounting block 17 is slidably connected to the base 1 through the sliding groove 16. The base 1 is provided with a power cylinder 18. The mounting block 17 is located at the output end of the power cylinder 18, which can improve the stability of the bearing plate 7 when it slides.

[0029] In the embodiments provided by this utility model, the support plate 7 is provided with a mounting groove 5, and the fixing component includes two clamping plates 11 slidably connected to both sides of the mounting groove 5. A pressure applying unit is provided between the airtightness detection component 2 and the two clamping plates 11. During use, when the pressure applying unit applies pressure to the two clamping plates 11, it will drive the two clamping plates 11 to move closer to each other, fixing the wire harness body 8, which can meet the airtightness detection requirements of the wire harness body 8. More specifically, both clamping plates 11 are provided with matching grooves that are compatible with the wire harness body 8, which facilitates the installation and use of the wire harness body 8.

[0030] In the embodiments provided by this utility model, the pressure application unit specifically includes a trigger rod 15 fixedly connected to the airtightness detection component 2, a trigger block 13 fixedly connected to the clamping plate 11, and a trigger groove 14 formed on the trigger block 13, with the trigger rod 15 abutting against the trigger groove 14. Therefore, during use, when the bearing plate 7 slides to a predetermined position closer to the airtightness detection component 2, the trigger rod 15 contacts the trigger block 13 through the trigger groove 14, and the trigger block 13 drives the two clamping plates 11 to move closer to each other, thus fixing the wire harness body 8.

[0031] In the embodiments provided by this utility model, a spring 12 is provided between each clamping plate 11 and the bearing plate 7. The elastic force of the spring 12 drives the two clamping plates 11 to move away from each other. Under the action of the elastic force of the spring 12 in the original state, the two clamping plates 11 are driven to move away from each other. That is, when the bearing plate 7 is away from the airtightness detection component 2, the two clamping plates 11 are in a state of moving away from each other, which facilitates the installation and disassembly of the wire harness body 8.

[0032] In the embodiments provided by this utility model, the triggering unit includes an extension plate 9 fixedly connected to the support plate 7, and an abutment part 10 fixedly connected to the extension plate 9, the abutment part 10 intermittently abutting against the start button 4.

[0033] In the embodiments provided by this utility model, a slide rail 6 is fixedly connected to the base 1, and a guide groove adapted to the slide rail 6 is provided on the bearing plate 7. The bearing plate 7 is slidably connected to the base 1 through the cooperation between the guide rail and the guide groove, thereby improving the stability of the bearing plate 7 when sliding.

[0034] In another embodiment of this invention, the two clamping plates 11 are connected by a transmission unit. In this embodiment, the transmission unit includes a rotating rod with a spur gear mounted on it. Each clamping plate 11 has a rack fixedly connected to its bottom, with the racks meshing on opposite sides of the spur gear. Therefore, when one clamping plate 11 slides, the racks and spur gears work together to drive the two clamping plates 11 closer together, resulting in a better effect.

[0035] In the embodiments provided by this utility model, an anti-slip pad is provided on the bottom of the base 1 to improve the stability of the device during operation.

[0036] It should be noted that all electrical equipment involved in this application can be powered by batteries or external power sources.

[0037] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0038] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A wire harness airtightness testing device, comprising a base (1) and an airtightness testing component (2) mounted on the base (1), wherein the airtightness testing component (2) has a testing port (3) adapted to the wire harness body (8), characterized in that: A support plate (7) is slidably connected to the base (1), and a fixing component for fixing the wire harness body (8) is provided between the airtightness detection component (2) and the support plate (7); The air tightness detection component (2) is provided with a start button (4) on one side, and a triggering unit is provided on the carrier plate (7); The base (1) is provided with a drive component for driving the support plate (7) to slide on the base (1).

2. The wire harness airtightness testing device according to claim 1, characterized in that: The driving component includes a mounting block (17) fixedly connected to the base (1). The base (1) has a sliding groove (16) adapted to the mounting block (17). The mounting block (17) is slidably connected to the base (1) through the sliding groove (16). A power cylinder (18) is provided on the base (1), and the mounting block (17) is located at the output end of the power cylinder (18).

3. The wire harness airtightness testing device according to claim 1, characterized in that: The bearing plate (7) has an installation groove (5), and the fastener includes two clamping plates (11) that are slidably connected to both sides of the installation groove (5). A pressure unit is provided between the airtightness detection component (2) and the two clamping plates (11).

4. The wire harness airtightness testing device according to claim 3, characterized in that: The pressure unit includes a trigger rod (15) fixedly connected to the airtightness detection component (2), a trigger block (13) fixedly connected to the clamping plate (11), and a trigger groove (14) opened on the trigger block (13), and the trigger rod (15) abuts against the trigger groove (14).

5. The wire harness airtightness testing device according to claim 3, characterized in that: A spring (12) is provided between each of the clamping plates (11) and the bearing plate (7), and the elastic force of the spring (12) drives the two clamping plates (11) to move away from each other.

6. The wire harness airtightness testing device according to claim 1, characterized in that: The triggering unit includes an extension plate (9) fixedly connected to the support plate (7), and an abutment part (10) fixedly connected to the extension plate (9). The abutment part (10) intermittently abuts against the start button (4).

7. The wire harness airtightness testing device according to claim 1, characterized in that: The base (1) is fixedly connected to a slide rail (6), and the bearing plate (7) is provided with a guide groove that is compatible with the slide rail (6). The bearing plate (7) is slidably connected to the base (1) through the cooperation between the guide rail and the guide groove.

8. The wire harness airtightness testing device according to claim 4, characterized in that: The two clamping plates (11) are connected by a transmission unit.

9. The wire harness airtightness testing device according to claim 8, characterized in that: The transmission unit includes a rotating rod with a spur gear mounted on it. Each clamping plate (11) has a rack fixedly connected to its bottom, and the two racks mesh on the two sides of the spur gear respectively.

10. The wire harness airtightness testing device according to claim 1, characterized in that: The base (1) has an anti-slip pad on its bottom.

Images