Battery box air tightness test tool

By designing disassembly and assembly components and a slot structure, the problem of inconvenient replacement of the sealing gasket after aging was solved, enabling rapid disassembly and installation of the sealing gasket and improving the efficiency and accuracy of battery box airtightness testing.

CN223925912UActive Publication Date: 2026-02-17HUIZHOU QINGCHENG IND CO LTD
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Patent Information

Application Number
CN202520451939.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-14
Publication Date
2026-02-17
Estimated Expiration
2035-03-14

AI Technical Summary

Technical Problem

In existing battery box airtightness testing fixtures, it is not convenient to quickly disassemble and replace the sealing gaskets after they age or are damaged, which affects the sealing effect and replacement efficiency.

Method used

A battery box airtightness testing fixture was designed, comprising a horizontal plate, a sealing block, and a disassembly and assembly assembly. By setting slots, storage grooves, card slots, and spring structures, the gasket can be quickly disassembled and installed. The gasket replacement process is simplified by using the cooperation of pull rods and card plates.

Benefits of technology

This enables rapid replacement of gaskets, improving gasket replacement efficiency and sealing effect, and preventing aged gaskets from affecting test results.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a battery box air tightness testing tool, which relates to the field of battery box air tightness testing and comprises a transverse plate and a sealing block, the top of the sealing block is connected with an air tightness joint, and the bottom of the sealing block is respectively provided with a testing space and a dismounting assembly. The dismounting and mounting assembly comprises an insertion groove formed in the bottom of the sealing block and storage grooves formed in the two sides of the interior of the sealing block. By arranging the dismounting assembly, when the sealing gasket is aged due to long-time use, the sealing gasket needs to be replaced, the replacement process is that the pull rod is pulled, so that the pull rod drives the second clamping plate to move, and when the second clamping plate is moved out of the clamping groove, the mounting plate is not limited any more, and at the moment, the sealing gasket can be taken out; in this way, the sealing gasket can be quickly disassembled so that the sealing gasket can be conveniently replaced, the situation that the sealing effect is affected due to the fact that the aged sealing gasket is used all the time is avoided, the replacement process is simple and convenient, and then the replacement efficiency of the sealing gasket is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to battery box airtightness test field, concretely is a kind of battery box airtightness test tool. BACKGROUND

[0002] At present, in the field of battery packaging, airtightness test is particularly important as one of the safety tests of battery package, and the principle of airtightness test is to fill pressure gas in the airtight box, then smear soap water at the weld to be tested, and judge the airtightness of the box by observing whether bubbles are generated.

[0003] According to the Chinese patent with the announcement number CN219608327U, a kind of airtightness test tool suitable for battery box is disclosed, the test process of the utility model adopts the way of clamp to compress test space, solves the test error caused by different artificial compression intensity, improves the accuracy of test.

[0004] For the above-mentioned patent content, by setting sealing pad and sealing block, the sealing pad can improve the airtightness between the sealing block and the battery box, and facilitate airtightness test, but when the sealing pad is deformed for a long time, it will be aged or damaged, thereby affecting the airtightness between the sealing block and the battery box, and the sealing pad is installed at the bottom of the sealing block, so that the staff is not convenient to take off the aged or damaged sealing pad from the sealing block, thereby reducing the disassembly and replacement efficiency of the sealing pad, and affecting the sealing effect of the subsequent sealing pad. UTILITY MODEL CONTENT

[0005] Therefore, the utility model aims to provide a kind of battery box airtightness test tool to solve the technical problem of not being convenient to disassemble and replace the aged or damaged sealing pad quickly.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of battery box airtightness test tool, including horizontal plate and sealing block, the top of the sealing block is connected with airtight joint, the bottom of the sealing block is respectively provided with test space and disassembly component, the disassembly component includes the insertion slot in the bottom of sealing block and the storage groove in the inside of sealing block, the inside of storage groove is inserted with mounting plate, and the bottom of mounting plate is connected with sealing pad, and the side of mounting plate is provided with clamping groove, the inside of storage groove is installed with second spring, and the end of second spring is connected with movable block, the side of movable block is fixed with the second clamping plate extending to the inside of clamping groove, and the side of second clamping plate is fixed with pull rod penetrating to the outside of sealing block, the inside of storage groove is installed with multiple first springs, and the bottom end of first spring is connected with push plate.

[0007] By adopting the technical scheme, the mounting plate can be clamped and limited after the second clamping plate is clamped into the clamping groove, so that the mounting plate and the sealing gasket can be installed.

[0008] Further, the inside of the horizontal plate is provided with a groove, and the bottom of the horizontal plate is provided with a limiting groove on both sides, and a double-threaded screw rod is connected to one side of the inside of the groove through a bearing, and the outer wall of the double-threaded screw rod is sleeved with two movable seats.

[0009] By adopting the technical scheme, when the double-threaded screw rod rotates, the two movable seats can be moved to adjust their positions.

[0010] Further, the bottom of the movable seat is provided with a first clamping plate penetrating the limiting groove, and the bottom of the first clamping plate is connected with a fixed clamping lug.

[0011] By adopting the technical scheme, the movement of the movable seat can drive the movement of the first clamping plate, and then drive the movement of the fixed clamping lug, so as to adjust the position of the fixed clamping lug.

[0012] Further, the movable seat is threadedly connected with the double-threaded screw rod, one end of the double-threaded screw rod is connected with the inner wall of the groove through a bearing, and the other end of the double-threaded screw rod penetrates to the outside of the horizontal plate and is connected with a first handle.

[0013] By adopting the technical scheme, when the positions of the two first clamping plates need to be adjusted, the worker can rotate the double-threaded screw rod through the first handle, and the double-threaded screw rod can drive the movement of the two movable seats after rotating.

[0014] Further, the bottom of the horizontal plate is provided with a fixed box, the inside of the fixed box is connected with a threaded cylinder through a bearing, the inside of the threaded cylinder is threadedly connected with a threaded column, and the bottom end of the threaded column penetrates the fixed box and is fixedly connected with the top of the sealing block.

[0015] By adopting the technical scheme, when the threaded cylinder rotates, it will drive the movement of the threaded column, and the threaded column will drive the movement of the sealing block, so as to adjust the position of the sealing block.

[0016] Further, one side of the inside of the fixed box is connected with a worm through a bearing, and one end of the worm penetrates to the outside of the fixed box and is connected with a second handle.

[0017] By adopting the technical scheme, the worker can conveniently drive the worm to rotate through the second handle.

[0018] Further, a worm wheel is installed on the outer wall of the threaded cylinder, and the worm wheel is engaged with the worm.

[0019] By adopting the technical scheme, when the worm is rotated, the worm can drive the rotation of the worm wheel.

[0020] Further, the two clamping plates are provided with sliding grooves, and sliding plates are arranged in the sliding grooves.

[0021] By adopting the above technical scheme, when the sealing block moves, the sliding plates can be driven to slide in the sliding grooves, thereby improving the stability when the sealing block moves.

[0022] Further, the top of the horizontal plate is provided with a handle, and an anti-skid sleeve is arranged on the outer wall of the handle.

[0023] By adopting the above technical scheme, the worker can conveniently take the tooling through the handle.

[0024] Further, the top of the mounting plate is provided with a slope, and the bottom of the second clamping plate is provided with a slope.

[0025] By adopting the above technical scheme, when the mounting plate is inserted into the insertion slot, the mounting plate can push the second clamping plate to move, so that the second clamping plate moves into the storage groove.

[0026] In summary, the utility model mainly has the following beneficial effects:

[0027] 1. The utility model discloses a dismounting assembly, when the sealing gasket is aged after long-time use, the sealing gasket needs to be replaced, the replacement process is that the pull rod is pulled, the pull rod drives the second clamping plate to move, when the second clamping plate moves out of the clamping groove, the mounting plate is no longer limited, at this moment, the sealing gasket can be taken out, the sealing gasket can be quickly dismounted through the mode, so that the sealing gasket can be replaced, the aging sealing gasket is avoided from being used all the time to affect the sealing effect, and the replacement process is simple and convenient, and the replacement efficiency of the sealing gasket is improved.

[0028] 2. The utility model discloses a push plate and a first spring, when the second clamping plate moves out of the clamping groove and removes the limitation of the mounting plate, the first spring is stretched and pushes down the push plate, the push plate pushes down the mounting plate, the clamping groove is dislocated with the second clamping plate, at this moment, the worker can release the pull rod and take out the sealing gasket from the sealing block, and the worker needs not to pull the pull rod all the time in the process of taking out the sealing gasket.

[0029] 3. The utility model discloses that the top of the mounting plate is provided with a slope, and the bottom of the second clamping plate is provided with a slope, when the sealing gasket is installed, the mounting plate can be inserted into the insertion slot, the mounting plate can push the second clamping plate to move when being inserted, so that the second clamping plate moves into the storage groove, when the second clamping plate is aligned with the clamping groove, the second clamping plate is reset and moves into the clamping groove and clamps and limits the mounting plate, so that the installation of the sealing gasket can be completed, and through the mode, the worker need not to pull the pull rod with both hands, so that the installation steps are simplified, and the installation efficiency of the sealing gasket is improved. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 It is the whole three-dimensional structure schematic view of the utility model;

[0031] Figure 2 It is the whole cross-sectional structure schematic view of the utility model;

[0032] Figure 3 It is the horizontal plate structure schematic view of the utility model;

[0033] Figure 4 It is the sealing block structure schematic view of the utility model;

[0034] Figure 5 It is the mounting plate structure schematic view of the utility model;

[0035] Figure 6 It is the worm gear structure schematic view of the utility model;

[0036] Figure 7 It is the clamping plate side surface structure schematic view of the utility model;

[0037] Figure 8 It is the Figure 2 Enlarged structure schematic view of A place in the utility model.

[0038] In the drawing: 1, horizontal plate; 2, handle; 3, recess; 4, bidirectional screw rod; 5, movable seat; 6, limiting groove; 7, first handle; 8, first clamping plate; 9, dismounting assembly; 901, insertion slot; 902, first spring; 903, push plate; 904, mounting plate; 905, second clamping plate; 906, storage slot; 907, second spring; 908, movable block; 909, pull rod; 910, clamping groove; 10, sliding plate; 11, fixed box; 12, threaded cylinder; 13, threaded column; 14, worm gear; 15, worm; 16, second handle; 17, sealing block; 18, test space; 19, sealing gasket; 20, sliding groove; 21, fixed clamping ear; 22, gas-tight joint. DETAILED DESCRIPTION

[0039] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are used only for explaining the utility model, and cannot be understood as limiting the utility model.

[0040] The embodiments will be described below according to the overall structure of the utility model.

[0041] Embodiment one

[0042] A battery box airtightness test tool, such as Figures 1-8As shown, including the horizontal plate 1 and sealing block 17, the top of sealing block 17 is connected with airtight joint 22, the bottom of sealing block 17 is respectively provided with test space 18 and disassembly assembly 9, airtight joint 22 is communicated with test space 18, the bottom of horizontal plate 1 is provided with fixed box 11, the inside of fixed box 11 is provided with threaded cylinder 12 through bearing, and the inside of threaded cylinder 12 is provided with threaded column 13 through screwing, the bottom end of threaded column 13 penetrates fixed box 11 and is fixedly connected with the top of sealing block 17, when threaded cylinder 12 rotates, it will drive threaded column 13 to move, threaded column 13 drives sealing block 17 to move, so as to adjust the position of sealing block 17, one side of the inside of fixed box 11 is provided with worm 15 through bearing, and one end of worm 15 penetrates to the outside of fixed box 11 and is connected with second handle 16, so as to facilitate staff to drive worm 15 to rotate through second handle 16, the outer wall of threaded cylinder 12 is provided with worm wheel 14, worm wheel 14 is engaged with worm 15, so as to rotate worm 15, worm 15 can drive worm wheel 14 to rotate.

[0043] Referring to Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 and Figure 8 , disassembly assembly 9 includes slot 901 provided in the bottom of sealing block 17 and receiving groove 906 provided in the inside of both sides of sealing block 17, receiving groove 906 is provided with mounting plate 904 in the inside, the bottom of mounting plate 904 is connected with sealing gasket 19, and one side of mounting plate 904 is provided with clamping groove 910, second spring 907 is installed in the inside of receiving groove 906, and the end of second spring 907 is connected with movable block 908, second clamping plate 905 of one side of movable block 908 extends to the inside of clamping groove 910, and one side of second clamping plate 905 is fixedly provided with pull rod 909 penetrating to the outside of sealing block 17, a plurality of first springs 902 are installed in the inside of receiving groove 906, and the bottom end of first spring 902 is connected with push plate 903, when second clamping plate 905 is clamped into the inside of clamping groove 910, mounting plate 904 can be clamped and positioned, so that the installation of mounting plate 904 and sealing gasket 19 can be completed, sealing gasket 19 and mounting plate 904 are detachably connected with sealing block 17.

[0044] Specifically, the horizontal plate 1 has a groove 3 inside, and limit grooves 6 are opened on both sides of the bottom of the horizontal plate 1. A double-acting screw 4 is connected to one side of the groove 3 through a bearing, and two movable seats 5 are sleeved on the outer wall of the double-acting screw 4. When the double-acting screw 4 rotates, it can drive the two movable seats 5 to move so as to adjust their positions. A first locking plate 8 that passes through the limit groove 6 is installed at the bottom of the movable seat 5, and a fixed locking ear 21 is connected to the bottom of the first locking plate 8. The movement of the movable seat 5 can drive the first locking plate 8 to move, and then drive the fixed locking ear 21 to move so as to adjust the position of the fixed locking ear 21. The movable seat 5 is threadedly connected to the double-acting screw 4. One end of the double-acting screw 4 is connected to the inner wall of the groove 3 through a bearing, and the other end of the double-acting screw 4 passes through to the outside of the horizontal plate 1 and is connected to a first rotating handle 7. When it is necessary to adjust the position of the two first locking plates 8, the operator can rotate the double-acting screw 4 through the first rotating handle 7. After the double-acting screw 4 rotates, it can drive the two movable seats 5 to move.

[0045] Example 2

[0046] Based on the above embodiment 1, in order to improve the stability of the sealing block 17 when it moves, it needs to be guided, so the following structure will be set.

[0047] See Figure 1 , Figure 2 , Figure 3 and Figure 7 Both first card plates 8 are provided with sliding grooves 20, and sliding plates 10 are provided inside the sliding grooves 20. A sealing block 17 is installed between the two sliding plates 10. When the sealing block 17 moves, it can drive the sliding plate 10 to slide inside the sliding groove 20, thereby improving the stability of the sealing block 17 when it moves.

[0048] Example 3

[0049] Based on the above embodiment one, the following structure will be set up to facilitate workers in taking the tooling.

[0050] Specifically, the top of the horizontal plate 1 is provided with a handle 2, and the outer wall of the handle 2 is equipped with an anti-slip sleeve, so that the staff can easily pick up the tool through the handle 2.

[0051] Example 4

[0052] Based on the above embodiment 1, in order to move the second card plate 905 into the storage slot 906 without the need for the operator to pull the lever 909 when installing the sealing gasket 19, the following method will be adopted.

[0053] See Figure 4 , Figure 5 and Figure 8The top side of the mounting plate 904 and the bottom of the second card plate 905 are both set at an angle. The bottom of the push plate 903 contacts the top of the mounting plate 904 so that when the mounting plate 904 is inserted into the slot 901, the mounting plate 904 can push the second card plate 905 to move, so that the second card plate 905 moves into the storage slot 906, thereby facilitating the installation of the sealing gasket 19. The installation of the sealing gasket 19 can be completed without the operator having to pull the lever 909 to move the second card plate 905 into the storage slot 906.

[0054] The working principle of this utility model is as follows: First, when in use, the fixed clamp 21 is moved to find the clamping position. The operator can first rotate the double-acting screw 4 through the first handle 7. The rotation of the double-acting screw 4 will drive the two movable seats 5 to move. The movable seats 5 will drive the first clamping plate 8 to move, and drive the fixed clamp 21 to move, thereby clamping the overall structure onto the battery box. The function of the airtight connector 22 is to connect the test space 18 and the airtightness tester. Then, the worm gear 15 is rotated through the second handle 16. When the worm gear 15 rotates, it will drive the worm wheel 14 to rotate, and then drive the threaded cylinder 12 to rotate, and drive the threaded column 13 to move. The threaded column 13 moves down, which drives the sealing block 17 to move, and drives the sealing gasket 19 to move. After the sealing block 17 moves down and completely presses the explosion-proof valve, the second handle 16 is no longer rotated to prevent the gas in the test space 18 from leaking from the gap between the sealing block 17 and the explosion-proof valve, so that the airtightness test can be carried out smoothly.

[0055] When the sealing gasket 19 ages due to prolonged use, it needs to be replaced. The replacement process involves pulling the lever 909, which moves the second retaining plate 905. Once the second retaining plate 905 moves out of the slot 910, it no longer limits the mounting plate 904. At this point, the first spring 902 stretches, pushing the push plate 903 downwards. The push plate 903 then pushes the mounting plate 904 downwards, causing the slot 910 and the second retaining plate 905 to misalign. The operator can then release the lever 909 to remove the sealing gasket 19 from the sealing block 17. When installing the sealing gasket 19, the operator can insert the mounting plate 904 into the slot 901. When the mounting plate 904 is inserted, it can push the second clamping plate 905 to move, so that the second clamping plate 905 moves into the storage slot 906 and squeezes the second spring 907. At the same time, the mounting plate 904 pushes the push plate 903 to move upward, so that the push plate 903 squeezes the first spring 902. When the second clamping plate 905 is aligned with the slot 910, the second spring 907 stretches and pushes the second clamping plate 905 to reset and move. The second clamping plate 905 will then move into the slot 910 and clamp and limit the mounting plate 904, thereby completing the installation of the sealing gasket 19 so that the sealing gasket 19 can be replaced, avoiding the continued use of the aged sealing gasket 19 and affecting the sealing effect.

[0056] Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the present invention and are not intended to limit the invention. The specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions, and variations to the embodiments as needed without departing from the principles and spirit of the present invention, provided that such modifications, substitutions, and variations are within the scope of the claims of the present invention and are protected by patent law.

Claims

1. A battery box airtightness test tooling, comprising a cross plate (1) and a sealing block (17), characterized in that: The top of the sealing block (17) is connected with an airtight joint (22), the bottom of the sealing block (17) is respectively provided with a test space (18) and a disassembling assembly (9), the disassembling assembly (9) comprises a slot (901) formed in the bottom of the sealing block (17) and a receiving groove (906) formed in the both sides of the sealing block (17), a mounting plate (904) is inserted into the receiving groove (906), the bottom of the mounting plate (904) is connected with a sealing gasket (19), one side of the mounting plate (904) is provided with a clamping groove (910), a second spring (907) is mounted in the receiving groove (906), the end of the second spring (907) is connected with a movable block (908), one side of the movable block (908) is fixedly connected with a second clamping plate (905) extending into the clamping groove (910), one side of the second clamping plate (905) is fixedly connected with a pull rod (909) penetrating through the sealing block (17), a plurality of first springs (902) are mounted in the receiving groove (906), and the bottom end of the first spring (902) is connected with a push plate (903).

2. The battery box airtightness test tool of claim 1, wherein: The inside of the horizontal plate (1) is provided with a groove (3), the bottom of the horizontal plate (1) is provided with a limiting groove (6) on both sides, one side of the inside of the groove (3) is connected with a two-way screw rod (4) through a bearing, and the outer wall of the two-way screw rod (4) is sleeved with two movable seats (5).

3. The battery box airtightness test tool of claim 2, wherein: The bottom of the movable seat (5) is mounted with a first clamping plate (8) penetrating through the limiting groove (6), and the bottom of the first clamping plate (8) is connected with a fixed clamping ear (21).

4. The battery box airtightness test tool of claim 2, wherein: The movable seat (5) is threadedly connected with the two-way screw rod (4), one end of the two-way screw rod (4) is connected with the inner wall of the groove (3) through a bearing, and the other end of the two-way screw rod (4) penetrates to the outside of the horizontal plate (1) and is connected with a first handle (7).

5. The battery box airtightness test tool of claim 1, wherein: The bottom of the horizontal plate (1) is mounted with a fixed box (11), the inside of the fixed box (11) is connected with a threaded cylinder (12) through a bearing, the inside of the threaded cylinder (12) is threadedly connected with a threaded column (13), the bottom end of the threaded column (13) penetrates through the fixed box (11) and is fixedly connected with the top of the sealing block (17).

6. The battery box airtightness test tool of claim 5, wherein: One side of the inside of the fixed box (11) is connected with a worm (15) through a bearing, and one end of the worm (15) penetrates to the outside of the fixed box (11) and is connected with a second handle (16).

7. The battery box airtightness test tool of claim 6, wherein: The outer wall of the threaded cylinder (12) is mounted with a worm wheel (14), and the worm wheel (14) is engaged with the worm (15).

8. The battery box airtightness test tool of claim 3, wherein: Two first clamping plates (8) are provided with a sliding groove (20) on the both sides, and a sliding plate (10) is arranged in the sliding groove (20), and two sliding plates (10) are mounted with a sealing block (17).

9. The battery box airtightness test tool of claim 1, wherein: The top of the horizontal plate (1) is provided with a handle (2), and the outer wall of the handle (2) is mounted with an anti-skid sleeve.

10. The battery box airtightness test tool of claim 1, wherein: The top side of the mounting plate (904) and the bottom of the second clamping plate (905) are both provided as inclined surfaces, and the bottom of the push plate (903) is in contact with the top of the mounting plate (904).

Citation Information

Patent Citations

  • Air tightness test tool suitable for battery box

    CN219608327U