CN219224061U

CN219224061U - New energy automobile battery cover test fixture

Info

Publication number: CN219224061U
Application number: CN202320215846.1U
Authority: CN
Inventors: 张云
Original assignee: Suzhou Dongshan Precision Manufacturing Co Ltd
Current assignee: Yancheng Dongchuang Precision Manufacturing Co ltd
Priority date: 2023-02-15
Filing date: 2023-02-15
Publication date: 2023-06-20
Anticipated expiration: 2033-02-15

Abstract

The utility model belongs to the technical field of new energy battery cover testing, and particularly relates to a new energy automobile battery cover testing tool, which comprises a cross beam, wherein symmetrical support columns are fixedly arranged at the lower end of the cross beam, a ventilation bottom plate is arranged below the support columns, an upper cavity cover plate is arranged above the ventilation bottom plate, a medium filling nozzle is fixedly arranged at one side of the upper cavity cover plate, a sealing element is arranged on the lower surface of the upper cavity cover plate, a vertical rapid clamp is arranged at the upper end of the inner side of the cross beam, and one side of the vertical rapid clamp is in rigid contact while the sealing element is in flexible contact; through the vertical pressure application of the quick clamp, the pressure plate is provided with a plurality of adjustable columns, so that the uniform force application in all directions is ensured, the single-sided sealing is realized, and the sealing failure caused by the reduction of the compression amount of the sealing piece of the high pressure surface after the compression of the low pressure surface caused by the double-sided sealing is avoided; the direction of the applied pressure is vertical, so that the lateral displacement of the cavity cover is avoided; the pressure is applied more uniformly; one seal is reduced; the service life of the sealing element is prolonged.

Description

New energy automobile battery cover test fixture

Technical Field

The utility model belongs to the technical field of new energy battery cover testing, and particularly relates to a new energy automobile battery cover testing tool.

Background

The prior art is to seal round battery cover by sealing element up and down, then inject medium into sealed cavity to test, and the cavity connection mode adopts screw connection.

The prior art has the following defects:

1. the prior art is aimed at a circular battery cover, which is sealed by adopting sealing elements up and down of a product, and then a medium is injected into a sealing cavity for testing. However, when the pressure in the cavity is increased after the pressure of the gas or the liquid is increased during the test, the lower sealing gasket is easy to compress, so that the sealing in the cavity is rebounded, and a gap is formed;

2. one surface of the battery cover is possibly provided with burrs due to stamping, and the burrs are possibly cut on the sealing piece, so that the sealing is invalid;

3. frequent replacement of the seal;

4. the screw connection leads to uneven pressure of the tool, has leakage risk and has abrasion failure risk of the threads of the tool;

5. the toggle quick clamp applies pressure non-vertically.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model provides a new energy automobile battery cover testing tool which is capable of solving the problem that sealing fails in the testing process; the problem of frequent replacement of the sealing element is solved; the problem of uneven pressure caused by screw feeding is solved; solves the problem of non-vertical pressure.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a new energy automobile battery cover test fixture, includes the crossbeam, crossbeam lower extreme fixed mounting has symmetrical support column, the support column below is provided with ventilative bottom plate, ventilative bottom plate top is provided with cavity apron, it fills into to go up cavity apron one side fixed mounting has the medium and chews, it is provided with the sealing member to go up cavity apron lower surface, vertical quick anchor clamps are installed to the inboard upper end of crossbeam, the symmetry be provided with the clamp plate between the support column, vertical quick anchor clamps bottom is fixed with floating joint, clamp plate upper surface is fixed with the connecting plate, still be provided with the anti-rotation pin that prevents vertical quick anchor clamps skew on the crossbeam.

As the optimal technical scheme of the testing tool for the battery cover of the new energy automobile, the supporting columns are fixedly connected with the breathable bottom plate through the fixing bolts, the floating connectors, the connecting plates and the pressing plates are fixedly connected through the connector connecting bolts, and the pressing plates are fixedly connected with the guide rods through the guide connecting bolts.

As a preferred technical scheme of the novel energy automobile battery cover testing tool, symmetrical guide rods are arranged on the upper surface of the pressing plate, fixed blocks symmetrically distributed on two sides of the vertical rapid clamp are fixed on the inner side of the cross beam, shaft sleeves are arranged in the fixed blocks, the guide rods penetrate through and slide in the shaft sleeves, a plurality of uniformly distributed adjusting columns are connected with the inner portion of the pressing plate in a threaded manner, a detection workpiece is arranged between the ventilation bottom plate and the upper cavity cover plate, and plugs are arranged between the detection workpiece and the upper cavity cover plate.

As a preferred technical scheme of the testing tool for the battery cover of the new energy automobile, the plug is matched with the air hole in the detection workpiece, the cover plate locating pin is fixed on the contact surface of the ventilation bottom plate and the upper cavity cover plate, and the locating hole matched with the cover plate locating pin is arranged on the corresponding surface of the upper cavity cover plate.

As a preferred technical scheme of the testing tool for the battery cover of the new energy automobile, the lower surface of the adjusting column drives the floating joint, the connecting plate and the pressing plate to press the upper surface of the upper cavity cover plate by the moving force of the vertical rapid clamp.

As a preferred technical scheme of the new energy automobile battery cover testing tool, the upper surface of the breathable bottom plate is provided with the limiting groove for detecting the placement of a workpiece.

Compared with the prior art, the utility model has the beneficial effects that: adopting one-side rigid contact and one-side flexible contact of a sealing element; through quick anchor clamps vertical pressure, install many adjustable posts on the clamp plate, ensure that the multidirectional application of force is even, have following advantage:

1. single-sided sealing, namely, the problem that after a low pressure surface is compressed due to double-sided sealing, the compression amount of a high pressure surface sealing element is reduced to cause sealing failure is avoided;

2. the direction of the applied pressure is vertical, so that the lateral displacement of the cavity cover is avoided;

3. the pressure is applied more uniformly;

4. one seal is reduced;

5. the service life of the sealing element is prolonged.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of an isometric structure of the present utility model;

FIG. 2 is a schematic side view of the structure of FIG. 1 in half section in accordance with the present utility model;

FIG. 3 is a schematic diagram of the structure of the present utility model before detection;

FIG. 4 is a partially exploded schematic illustration of the present utility model;

FIG. 5 is a partially exploded schematic illustration of the present utility model;

in the figure: 1. a ventilation bottom plate; 2. an upper cavity cover plate; 3. a medium filling nozzle; 4. a seal; 5. a support column; 6. a cross beam; 7. a vertical quick clamp; 8. a pressing plate; 9. a guide rod; 10. a floating joint; 11. a connecting plate; 12. a fixed block; 13. a shaft sleeve; 14. a joint connection bolt; 15. a guide connecting bolt; 16. anti-rotation pins; 17. an adjustment column; 18. a fixing bolt; 19. a cover plate positioning pin; 20. a plug; 21. and detecting the workpiece.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-5, the present utility model provides the following technical solutions: the utility model provides a new energy automobile battery cover test fixture, including crossbeam 6, crossbeam 6 lower extreme fixed mounting has symmetrical support column 5, support column 5 below is provided with ventilative bottom plate 1, ventilative bottom plate 1 top is provided with cavity apron 2, it fills into to go up cavity apron 2 one side fixed mounting and chews 3 to have the medium, it is provided with sealing member 4 to go up cavity apron 2 lower surface, vertical quick anchor clamps 7 are installed to crossbeam 6 inboard upper end, be provided with clamp plate 8 between the support column 5 of symmetry, vertical quick anchor clamps 7 bottom is fixed with floating joint 10, clamp plate 8 upper surface is fixed with connecting plate 11, still be provided with the anti-rotation pin 16 that prevents the skew of vertical quick anchor clamps 7 on the crossbeam 6.

Specifically, the support column 5 is fixedly connected with the ventilation bottom plate 1 through a fixing bolt 18, the floating joint 10, the connecting plate 11 and the pressing plate 8 are fixedly connected through a joint connecting bolt 14, and the pressing plate 8 is fixedly connected with the guide rod 9 through a guide connecting bolt 15.

Specifically, clamp plate 8 upper surface is equipped with symmetrical guide bar 9, crossbeam 6 inboard is fixed with the fixed block 12 of symmetric distribution in perpendicular quick anchor clamps 7 both sides, the inside axle sleeve 13 that is provided with of fixed block 12, guide bar 9 runs through and slides inside axle sleeve 13, the inside threaded connection of clamp plate 8 has a plurality of evenly distributed's adjusting post 17, detect work piece 21 between ventilative bottom plate 1 and the last cavity apron 2, detect work piece 21 and go up cavity apron 2 between have end cap 20, play direction and structure reinforcing effect in this embodiment, guarantee the stability of vertical motion from top to bottom.

Specifically, the plug 20 is matched with an air hole in the detection workpiece 21, a cover plate positioning pin 19 is fixed on the contact surface of the ventilation bottom plate 1 and the upper cavity cover plate 2, and a positioning hole matched with the cover plate positioning pin 19 is formed in the corresponding surface of the upper cavity cover plate 2.

Specifically, the lower surface of the adjusting column 17 presses the upper surface of the upper cavity cover plate 2 by the moving force of the vertical quick clamp 7 to drive the floating joint 10, the connecting plate 11 and the pressing plate 8, and in this embodiment, the adjusting column 17 is used for adjusting the gap when the plane of the pressing plate 8 is not parallel to the upper cavity cover plate 2 or when the upper cavity cover plate 2 is worn. The upper cavity cover plate 2 is ensured to vertically downwards apply pressure, and the upper cavity cover plate 2 is prevented from generating transverse displacement.

Specifically, the upper surface of the ventilation bottom plate 1 is provided with a limit groove for detecting the placement of the workpiece 21.

The working principle and the using flow of the utility model are as follows: the shaft sleeve 13 is arranged in the fixed block 12, the guide rod 9 is connected with the pressing plate 8 through bolts, and the pressing plate 8 is connected with the connecting plate 11 through the connector connecting bolts 14 and the floating connector 10. The floating joint 10 solves the problem that the thrust rod and the pressing plate of the vertical quick clamp 7 are not concentric, and can be compensated. Ensuring that the final press plate 8 moves vertically up and down. The adjustment post 17 is used to adjust the gap when the plane of the pressing plate 8 is not parallel to the upper cavity cover plate 2 or when the upper cavity cover plate 2 is worn. The upper cavity cover plate 2 is ensured to vertically downwards apply pressure, and the upper cavity cover plate 2 is prevented from generating transverse displacement.

In operation, the plug 20 is inserted into the detection workpiece 21, if the detection workpiece 21 has holes, the vertical quick clamp 7 is lifted, and the detection workpiece 21 is placed into the limit groove of the ventilation bottom plate 1. Covering an upper cavity cover plate 2, pressing down a vertical quick clamp 7 by the upper cavity cover plate 2, the ventilation bottom plate 1 and a cover plate positioning pin 19, and connecting a medium filling nozzle 3 with connecting equipment;

after the connection is completed, placing the tool into an equipment cabin body for vacuumizing, then injecting medium helium, and if the workpiece 21 is detected to have leakage, detecting that the helium leaks into the equipment cabin body from the hole of the ventilation bottom plate 1 and can be detected by an equipment helium detector;

after the test is completed, the vertical quick clamp 7 is loosened, the upper cavity cover plate 2 is removed, the detection workpiece 21 is taken out, and the plug 20 is taken out.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. New energy automobile battery cover test fixture, its characterized in that: including crossbeam (6), crossbeam (6) lower extreme fixed have support column (5) of symmetry, support column (5) below is provided with ventilative bottom plate (1), ventilative bottom plate (1) top is provided with cavity apron (2), it fills into mouth (3) to go up cavity apron (2) one side fixed mounting medium, it is provided with sealing member (4) to go up cavity apron (2) lower surface, vertical quick anchor clamps (7) are installed to crossbeam (6) inboard upper end, and the symmetry be provided with clamp plate (8) between support column (5), vertical quick anchor clamps (7) bottom is fixed with floating joint (10), clamp plate (8) upper surface is fixed with connecting plate (11), still be provided with on crossbeam (6) prevent anti-rotation pin (16) of vertical quick anchor clamps (7) skew.

2. The new energy automobile battery cover test fixture according to claim 1, wherein: the support column (5) is fixedly connected with the ventilation bottom plate (1) through a fixing bolt (18), the floating joint (10), the connecting plate (11) and the pressing plate (8) are fixedly connected through a joint connecting bolt (14), and the pressing plate (8) is fixedly connected with the guide rod (9) through a guide connecting bolt (15).

3. The new energy automobile battery cover test fixture according to claim 1, wherein: the utility model discloses a quick clamp of air-permeable bottom plate, including clamp plate (8), fixed block (12) that clamp plate (8) upper surface was equipped with symmetry, crossbeam (6) inboard is fixed with symmetric distribution in perpendicular quick clamp (7) both sides, fixed block (12) inside is provided with axle sleeve (13), guide bar (9) run through and slide inside axle sleeve (13), inside threaded connection of clamp plate (8) has a plurality of evenly distributed's adjustment post (17), there is detection work piece (21) between ventilative bottom plate (1) and upper cavity apron (2), still end cap (20) between detection work piece (21) and the upper cavity apron (2).

4. The new energy automobile battery cover test fixture according to claim 3, wherein: the plug (20) is matched with an air hole in the detection workpiece (21), a cover plate locating pin (19) is fixed on the contact surface of the ventilation bottom plate (1) and the upper cavity cover plate (2), and a locating hole matched with the cover plate locating pin (19) is formed in the corresponding surface of the upper cavity cover plate (2).

5. The new energy automobile battery cover test fixture according to claim 3, wherein: the lower surface of the adjusting column (17) is pressed down through the vertical rapid clamp (7) to drive the floating joint (10), the connecting plate (11) and the pressing plate (8) to squeeze the upper surface of the upper cavity cover plate (2).

6. The new energy automobile battery cover test fixture according to claim 1, wherein: the upper surface of the ventilation bottom plate (1) is provided with a limit groove for detecting the placement of the workpiece (21).