Airtight test tool for high-voltage wiring harness of new energy automobile

Abstract

The utility model discloses a new energy automobile high-voltage wire harness airtightness test tool comprising a support, a pedestal arranged at the bottom of the support, an air pressure detection assembly arranged at the left side above the pedestal, a fixing block arranged in the air pressure detection assembly, and a connecting hole arranged above the fixing block. The air pressure detection assembly is fixedly connected with the base through bolts, the new energy automobile high-voltage wire harness air tightness test tool supplies power through a power line, accurate positioning of the wire harness can be ensured through the positioning holes, the wire harness can be accurately installed on equipment or a structure, and alignment and installation of the wire harness and the equipment or the structure are simpler, more convenient and more reliable through the positioning holes. The problem that the position of the wire harness deviates or swings is avoided, the sliding rod is in sliding connection with the inner cavity, the problem that when the new energy automobile high-voltage wire harness airtightness testing tool is used, pressurization is directly conducted without fixing the wire harness, and safety accidents are likely to happen due to wire harness dislocation is solved, and the safety of the device is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field related to wire harness air tightness test, and specifically relates to a tool for air tightness test of high-voltage wire harnesses of new energy vehicles. Background Art

[0002] The continuous advancement and development of new energy vehicles can not only promote environmental protection, energy security and sustainable use of resources, but also promote economic development and improvement of urban transportation. At the same time, it also promotes industrial transformation and technological innovation. With the continuous advancement of technology and active policy support, new energy vehicles are expected to become an important choice for future sustainable transportation.

[0003] As new energy vehicle charging technology becomes increasingly advanced, cable requirements are also becoming higher and higher. Not only must they meet the high-voltage indicators for fast charging, but they also have higher requirements for air tightness. However, the existing new energy vehicle high-voltage wire harness air tightness test tooling does not fix the wire harness and directly pressurizes it during use, which makes it easy for the wire harness to dislocate and cause safety accidents. Utility Model Content

[0004] The purpose of the utility model is to provide a new energy vehicle high-voltage wire harness airtightness test tool to solve the problem that the existing new energy vehicle high-voltage wire harness airtightness test tool proposed in the above background technology does not fix the wire harness during use and directly pressurizes the wire harness, which makes the wire harness easy to dislocate and cause safety accidents.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a new energy vehicle high-voltage wiring harness airtightness test tool, comprising a bracket;

[0006] A base is provided at the bottom of the bracket, an air pressure detection assembly is provided at the left position above the base, a fixing block is provided inside the air pressure detection assembly, a connection hole is provided above the fixing block, the air pressure detection assembly is bolted and fixedly connected to the base at the same time, and the new energy vehicle high-voltage wire harness airtightness test tool is powered by a power cord;

[0007] Positioning holes are arranged at the left and right sides of the top of the bracket, bayonet holes are arranged at the top of the bracket, and a rear groove is arranged at the rear side of the bracket.

[0008] Preferably, an inner cavity is provided at an inner position of the positioning hole, a sliding rod is provided at an inner position of the inner cavity, the sliding rod corresponds to the inner cavity, and the sliding rod is slidably connected to the inner cavity.

[0009] Preferably, a card block is provided at an outer position of the bayonet, a handle is provided at a rear position of the card block, and the card block is nested and connected to the bayonet.

[0010] Preferably, the block is integrally connected to the handle and the slide rod, the handle corresponds to the rear groove, and the handle is nested and connected to the rear groove.

[0011] Preferably, a fixing cylinder is provided at the right side of the base, cylinders are provided on the left and right sides of the fixing cylinder respectively, a positioning rod is provided at the middle position inside the cylinder, a fixing plate is provided above the positioning rod, and an opening corresponding to the wiring harness is opened inside the fixing plate.

[0012] Preferably, an air outlet is provided at the middle position of the fixed tube and the front side of the cylinder, a fixing part is provided at the upper position of the fixed tube, a base is provided at the bottom position of the fixing part, a telescopic part is provided at the top position of the fixing part, a connecting port is provided at the middle position inside the telescopic part, and the telescopic part is slidably connected to the fixed part.

[0013] Preferably, the bracket and the base are made of steel, and the base of the fixing member is threadedly connected to the fixing tube.

[0014] Compared with the prior art, the utility model provides a new energy vehicle high voltage wire harness airtightness test tool, which has the following beneficial effects:

[0015] Through the setting of positioning holes, bayonet, rear groove, inner cavity, slide bar, block and handle, the positioning hole can ensure the precise positioning of the wire harness so that the wire harness can be accurately installed on the equipment or structure. Through the positioning hole, the alignment and installation of the wire harness with the equipment or structure are simpler and more reliable, avoiding the problem of wire harness position offset or swinging. The sliding connection between the slide bar and the inner cavity solves the problem of new energy vehicle high-voltage wire harness airtightness test tooling not fixing the wire harness and directly pressurizing it during use, which may cause the wire harness to be easily dislocated and cause a safety accident, thereby improving the safety of the device.

[0016] Through the setting of the fixing tube, cylinder, positioning rod, fixing part, base, telescopic part and connection port, the positioning rod can fix the cylinder, which can provide a stronger fixing effect and prevent the cylinder from shaking or loosening during operation. This is conducive to maintaining the stability and reliability of the cylinder, making it more stable and reliable during the application of the cylinder. The telescopic part slides upward to fix the high-voltage wire harness while ensuring sealing, reducing or preventing gas leakage. At the same time, it is convenient and fast to install and improve the detection rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model.

[0018] Figure 2 It is a structural schematic diagram of the fixing member in the utility model.

[0019] Figure 3 It is a structural schematic diagram of the bracket in the utility model.

[0020] Figure 4 It is a structural schematic diagram of the slide bar in the utility model.

[0021] Figure 5 It is a structural schematic diagram of the rear tank in the utility model.

[0022] In the figure: 1. bracket; 2. base; 3. air pressure detection component; 4. fixing block; 5. connecting hole; 6. cylinder; 7. positioning rod; 8. fixing tube; 9. air outlet; 10. positioning hole; 11. inner cavity; 12. bayonet; 13. fixing piece; 14. base; 15. telescopic piece; 16. connecting port; 17. sliding rod; 18. block; 19. handle; 20. rear groove. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] The utility model provides Figure 1-5 The shown new energy vehicle high-voltage wiring harness airtightness test tool comprises a bracket 1;

[0025] A base 2 is provided at the bottom of the bracket 1, an air pressure detection component 3 is provided at the left position above the base 2, a fixing block 4 is provided inside the air pressure detection component 3, a connection hole 5 is provided above the fixing block 4, the air pressure detection component 3 is bolted and connected to the base 2 at the same time, and the new energy vehicle high-voltage wire harness airtightness test tooling is powered by a power cord;

[0026] Positioning holes 10 are provided at left and right sides of the top of the bracket 1 , a bayonet 12 is provided at the top of the bracket 1 , and a rear groove 20 is provided at the rear side of the bracket 1 .

[0027] An inner cavity 11 is disposed at an inner position of the positioning hole 10 , and a sliding rod 17 is disposed at an inner position of the inner cavity 11 . The sliding rod 17 corresponds to the inner cavity 11 , and the sliding rod 17 is slidably connected to the inner cavity 11 .

[0028] A clamping block 18 is disposed at the outer side of the bayonet 12 , a handle 19 is disposed at the rear side of the clamping block 18 , and the clamping block 18 is nested and connected with the bayonet 12 .

[0029] The block 18 is integrally connected with the handle 19 and the slide bar 17 . The handle 19 corresponds to the rear groove 20 , and the handle 19 and the rear groove 20 are nested and connected.

[0030] A fixing cylinder 8 is arranged at the right side of the base 2, and cylinders 6 are arranged on the left and right sides of the fixing cylinder 8 respectively. A positioning rod 7 is arranged at the middle position inside the cylinder 6, and a fixing plate is arranged above the positioning rod 7. An opening corresponding to the wiring harness is opened inside the fixing plate.

[0031] An air outlet 9 is provided at the middle position of the front side of the fixed tube 8 and the cylinder 6, a fixing part 13 is provided at the upper position of the fixed tube 8, a base 14 is provided at the bottom position of the fixing part 13, a telescopic part 15 is provided at the top position of the fixing part 13, a connecting port 16 is provided at the middle position inside the telescopic part 15, and the telescopic part 15 is slidably connected to the fixing part 13.

[0032] The bracket 1 and the base 2 are made of steel material, and the base 14 of the fixing member 13 is threadedly connected to the fixing tube 8 .

[0033] In this embodiment, the utility model is specifically a new energy vehicle high-voltage wiring harness airtightness test tool. Check the integrity and status of the test tool to ensure the normal operation of the tool, clean the inside and outside of the test tool to prevent any contaminants from entering the test system, and fix the two ends of the high-voltage wiring harness to be tested to the connecting hole 5 and the connecting port 16 respectively. The telescopic member 15 above the fixing member 13 slides upward to fix the high-voltage wiring harness while ensuring the seal, ensuring that the connection is tight and reliable to avoid any leakage. At the same time, the rear side of the high-voltage wiring harness is inserted into the positioning hole 10, and the sliding rod 17 is slid to fix the wiring harness. According to the test requirements, appropriate pressure is applied inside the test tool to simulate actual working conditions. This can be achieved by compressed air or other pressure sources to stabilize the system pressure to ensure the accuracy of the test results. Usually, it is necessary to wait for a period of time to ensure that the system pressure has no obvious changes. Record the test results of each test point, including pressure changes, leakage location, leakage amount and other information. According to the test results, evaluate whether the airtightness of the wiring harness meets the requirements.

[0034] like Figure 1 and Figure 3-5 As shown, positioning holes 10 are provided at the left and right sides of the top of the bracket 1, bayonet holes 12 are respectively provided at the top of the bracket 1, a rear groove 20 is opened at the rear side of the bracket 1, an inner cavity 11 is provided inside the positioning hole 10, a sliding rod 17 is provided inside the inner cavity 11, the sliding rod 17 corresponds to the inner cavity 11, and the sliding rod 17 is slidably connected to the inner cavity 11, a clamping block 18 is provided at the outer side of the bayonet hole 12, a handle 19 is provided at the rear side of the clamping block 18, the clamping block 18 is nested in the bayonet hole 12, the clamping block 18 is integrally connected with the handle 19 and the sliding rod 17, the handle 19 corresponds to the rear groove 20, and the handle 19 is nested in the rear groove 20.

[0035] Preferably, before fixing, the slide bar 17 on one side is stretched outward through the handle 19, and then the high-voltage wire harness to be tested is inserted into the positioning hole 10 on the top of the bracket 1, and then the slide bar 17 is slid inward in the inner cavity 11 and inserted into the inner cavity 11 on the other side to fix the wire harness. At the same time, the block 18 can be nested and connected with the bayonet 12 opened on the top of the bracket 1, and the inner side of the handle is embedded in the rear groove 20 of the bracket 1. After one side is fixed, the other side is installed and fixed in the same steps to complete the positioning and fixation of the wire harness.

[0036] like Figure 1 and Figure 2 As shown, a fixing cylinder 8 is provided at the right side of the base 2, and a cylinder 6 is provided on the left and right sides of the fixing cylinder 8 respectively, a positioning rod 7 is provided at the middle position inside the cylinder 6, a fixing plate is provided at the upper position of the positioning rod 7, an opening corresponding to the wiring harness is provided inside the fixing plate, an air outlet 9 is provided at the middle position of the front side of the fixing cylinder 8 and the cylinder 6, a fixing part 13 is provided at the upper position of the fixing cylinder 8, a base 14 is provided at the bottom position of the fixing part 13, a telescopic part 15 is provided at the top position of the fixing part 13, a connecting port 16 is provided at the middle position inside the telescopic part 15, and the telescopic part 15 is slidably connected with the fixing part 13.

[0037] Preferably, one end of the high-voltage wiring harness to be tested is fixed into the connecting hole 5, and the other end is inserted into the connecting port 16. The telescopic member 15 above the fixing member 13 slides upward to fix the high-voltage wiring harness while ensuring sealing to ensure that the connection is securely fastened. The bottom base 14 of the rotating fixing member 13 is connected and fixed to the fixing tube 8 to avoid any leakage. Appropriate pressure is applied inside the test tooling to perform an airtight test on the wiring harness.

[0038] like Figure 1-5 As shown, the bracket 1 and the base 2 are made of steel material, and the base 14 of the fixing member 13 is threadedly connected to the fixing tube 8.

[0039] Optionally, steel has high strength and rigidity, can provide good structural strength and stability, ensure that the bracket 1 and the base 2 are not easily deformed or broken during use, and improve the service life of the device. The threaded connection usually adopts the principle of thread matching, and achieves sealing through the bite force and deformation between the threads. This design can ensure the reliable sealing performance of the connection, reduce or prevent gas leakage, and at the same time, it is convenient and fast to install, and improves the detection rate.

[0040] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A new energy vehicle high voltage wiring harness air tightness test tool, comprising a bracket (1); A base (2) is provided at the bottom of the bracket (1), an air pressure detection assembly (3) is provided at the upper left position of the base (2), a fixing block (4) is provided inside the air pressure detection assembly (3), a connection hole (5) is provided above the fixing block (4), the air pressure detection assembly (3) and the base (2) are fixedly connected by bolts at the same time, and the new energy vehicle high-voltage wire harness airtightness test tool is powered by a power cord; Features: Positioning holes (10) are provided at left and right sides of the top of the bracket (1), snap-on sockets (12) are provided at the top of the bracket (1), and a rear groove (20) is provided at the rear side of the bracket (1).

2. According to claim 1, a new energy vehicle high voltage wire harness air tightness test tool is characterized in that: An inner cavity (11) is provided at an inner position of the positioning hole (10), a sliding rod (17) is provided at an inner position of the inner cavity (11), the sliding rod (17) corresponds to the inner cavity (11), and the sliding rod (17) is slidably connected to the inner cavity (11).

3. The air tightness test tool for high-voltage wiring harness of new energy vehicles according to claim 2 is characterized in that: A clamping block (18) is provided at an outer position of the clamping port (12), a handle (19) is provided at a rear position of the clamping block (18), and the clamping block (18) is connected to the clamping port (12) in a nested manner.

4. The air tightness test tool for high-voltage wiring harness of new energy vehicles according to claim 3 is characterized in that: The clamping block (18) is integrally connected to the handle (19) and the slide bar (17); the handle (19) corresponds to the rear groove (20); and the handle (19) and the rear groove (20) are nested and connected.

5. The air tightness test tool for high-voltage wiring harness of new energy vehicles according to claim 1 is characterized in that: A fixing cylinder (8) is arranged at the right side of the base (2), cylinders (6) are arranged on the left and right sides of the fixing cylinder (8), a positioning rod (7) is arranged at the middle position inside the cylinder (6), a fixing plate is arranged above the positioning rod (7), and an opening corresponding to the wiring harness is opened inside the fixing plate.

6. The air tightness test tool for high-voltage wiring harness of new energy vehicles according to claim 5, characterized in that: An air outlet (9) is provided at the middle position of the front side of the fixed cylinder (8) and the cylinder (6); a fixing member (13) is provided at the upper position of the fixed cylinder (8); a base (14) is provided at the bottom position of the fixing member (13); a telescopic member (15) is provided at the top position of the fixing member (13); a connecting port (16) is provided at the middle position inside the telescopic member (15); and the telescopic member (15) is slidably connected to the fixing member (13).

7. The air tightness test tool for high-voltage wiring harness of new energy vehicles according to claim 6 is characterized by: The bracket (1) and the base (2) are made of steel material, and the base (14) of the fixing member (13) is threadedly connected to the fixing tube (8).

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