End plate airtight tool
By designing an airtight fixture that includes a base and a cover plate, and using a support and sealing element to seal different holes in the end plate, the problem of difficult airtightness testing caused by through holes in the end plate is solved, and effective sealing and airtightness testing of the end plate are achieved.
Patent Information
- Application Number
- CN202520329176.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-27
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-02-27
AI Technical Summary
The through holes in the end plate of the existing technology make it difficult to test the airtightness, especially due to the complexity of the hole diameter and sealing position, which makes it difficult to effectively test the airtightness.
Design an airtight fixture including a base and a cover plate, and use a support, seals and mounting components to seal different holes in the end plate to ensure the feasibility of airtightness testing.
It achieves effective sealing and airtightness testing of the end plate, simplifies the testing process, and improves testing efficiency and accuracy.
Smart Images

Figure CN223910420U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of component sealing measurement, and specifically relates to a gas-tight tool for end plate. BACKGROUND
[0002] The end plate is a wall plate at both ends of a terminal block, and mainly functions to protect the terminal block and avoid the metal part of the terminal block being exposed. The end plate is also an important component of a battery module, and is used to ensure correct positioning and installation of the battery monomer and protect the connecting port of the battery cell.
[0003] The battery pack has a requirement for air tightness detection, and the end plate, as a part of the battery pack, has an important influence on the air tightness of the battery pack. Therefore, the end plate needs to be subjected to air tightness detection after production. However, since various through holes are arranged on the end plate, such as through holes for electrical connection, and there are too many positions that need to be sealed during detection, a sealing detection tool for the end plate needs to be designed. SUMMARY
[0004] In view of the above technical problems in the prior art, the utility model provides a gas-tight tool for end plate, which is convenient to install and seals the through holes on the end plate after installation.
[0005] The utility model discloses a gas-tight tool for end plate, including base and cover plate, be provided with support seat on the base, the support seat cooperates with the first hole of end plate, be provided with second sealing element on the cover plate, the second sealing element cooperates with the second hole of end plate, be provided with mounting assembly on the second sealing element, and mounting assembly includes mounting bolt and the mounting seat of setting up on the base, the cover plate is installed on the mounting seat through mounting bolt, wherein the aperture of second hole is greater than the aperture of first hole.
[0006] Preferably, the first gasket is arranged on the mounting bolt.
[0007] The outer ring of the mounting seat is provided with a second gasket.
[0008] The upper side of the support seat is provided with a sealing gasket.
[0009] Preferably, the end plate is provided with a third hole, and the area of the third hole is greater than the area of the second hole.
[0010] The cover plate is provided with a third sealing element matched with the third hole.
[0011] Preferably, the third sealing element is arranged between the third hole on the end plate and the air tightness measurement position.
[0012] Preferably, the third sealing element is installed on the base through at least one mounting assembly.
[0013] Preferably, the upper side of the base is provided with a detection cavity, the upper side of the detection cavity is provided with a gasket matched with the end plate, the base is provided with an air inlet connected with the detection cavity.
[0014] Preferably, the lower side of the base is provided with a plurality of hand supports.
[0015] Preferably, the cover plate clamps the end plate on the base and seals the end plate on one side of the detection cavity of the base.
[0016] Compared with the prior art, the end plate has a large number of holes with different hole diameters, the first hole is sealed by the support seat and serves to support the end plate, the second hole is sealed by the second sealing element of the outer cover plate, and the second sealing element and the end plate are installed on the base plate by the mounting assembly to seal the through hole on the end plate, facilitating installation and air tightness detection. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 is a schematic view of the air tightness tool structure of the utility model;
[0018] Figure 2 is a schematic view of the installation of the end plate;
[0019] Figure 3 is a schematic view of the structure of the base;
[0020] Figure 4 is a schematic view of the structure of the end plate;
[0021] Figure 5 is a schematic view of the installation of the cover plate;
[0022] Marked in the figure: 1 air tightness tool, 2 base, 21 hand support, 22 support seat, 23 gasket, 25 detection cavity, 26 air inlet, 3 end plate, 31 first hole, 32 second hole, 33 third hole, 35 joint, 4 cover plate, 42 second sealing element, 43 third sealing element, 5 mounting assembly, 51 mounting bolt, 52 first gasket, 53 mounting seat, 52 second gasket. DETAILED DESCRIPTION
[0023] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0024] The utility model discloses make further detailed description in combination with the drawings below:
[0025] A kind of end plate air-tight tool 1, such as Figures 1-5 , including base 2 and cover plate 4, the base 2 is provided with support seat 22, the support seat 22 is matched with the first hole 31 of end plate 3;The cover plate 4 is provided with second sealing element 42, and the second sealing element 42 is matched with the second hole 32 of end plate 3;Second sealing element 42 is provided with mounting assembly 5, and mounting assembly 5 includes mounting bolt 51 and mounting seat 53 provided on base 2, and the cover plate 4 is installed on the mounting seat 53 by mounting bolt 51;Wherein, the hole diameter of second hole 32 is greater than the hole diameter of first hole 31.
[0026] End plate 3 has a large number of holes, and the hole diameters of the holes are different, the first hole is sealed by the support seat 22, and the function of supporting the end plate is played;The second hole is sealed by the second sealing element of the outer cover plate, and the second sealing element and the end plate are installed on the bottom plate by the mounting assembly, the through hole on the end plate is sealed, and installation and air-tightness detection are facilitated.
[0027] From Figure 1 It can be seen that the cover plate 4 clamps the end plate 3 on the base 2, and seals the end plate 3 on one side of the detection cavity 25 of the base 2.
[0028] Wherein, the first gasket 52 is provided on the mounting bolt 51;The outer ring of the mounting seat 53 is provided with the second gasket 52;As Figure 3 , the sealing gasket is provided on the upper side of the support seat 22.
[0029] The upper side of the base 2 is provided with a detection cavity 25, and the detection cavity 25 is provided with a gasket 23 matched with the end plate 3, and the base 2 is provided with an air inlet 26 connected with the detection cavity 25.
[0030] As Figure 4 And Figure 5 , the end plate 3 is provided with a third hole 33, the area of the third hole 33 is greater than the area of the second hole 32, and the cover plate 4 is provided with a third sealing element 43 matched with the third hole 33. The third sealing element 43 is installed on the base 2 by at least one mounting assembly 5. Wherein, the third sealing element 43 and the third hole 33 on the end plate 3 are provided with an air-tight measurement position 35, which is used for the sealing between the detection sealing element 43 of the cover plate and the end plate 3.
[0031] The third hole and the second hole with larger area are sealed by the second sealing element and the third sealing element of the cover plate 4, which can avoid affecting the air-tight flow in the detection cavity, and can quickly realize the air pressure balance in the detection cavity.
[0032] As Figure 2 The lower side of the base 2 is provided with a plurality of hand rests 21, which facilitates the movement of the airtight tool. The end plate is provided with a plurality of first holes 31, second holes 32 and third holes 33.
[0033] It should be noted that the "first", "second" and the like descriptions herein are used to distinguish different components, devices, modules and the like, and do not represent the order or limit the "first" and "second" to be different types.
[0034] The above is only a preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application can be variously changed and modified. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. An airtight tooling for an end plate, characterized in that, Includes a base (2) and a cover plate (4), A support seat (22) is provided on the base (2), and the support seat (22) cooperates with the first hole (31) of the end plate (3); The cover plate (4) is provided with a second sealing element (42), which cooperates with the second hole (32) of the end plate (3); The second seal (42) is provided with a mounting assembly (5). The mounting assembly (5) includes mounting bolts (51) and a mounting base (53) disposed on the base (2), wherein the cover plate (4) is mounted on the mounting base (53) by means of the mounting bolts (51); The diameter of the second hole (32) is larger than that of the first hole (31).
2. The airtight tooling according to claim 1, characterized in that, A first washer (52) is provided on the mounting bolt (51); The outer ring of the mounting base (53) is provided with a second gasket (52); A sealing gasket is provided on the upper side of the support base (22).
3. The airtight tooling according to claim 1, characterized in that, The end plate (3) is provided with a third hole (33), the area of which is larger than the area of the second hole (32). The cover plate (4) is provided with a third sealing element (43) that cooperates with the third hole (33).
4. The airtight tooling according to claim 3, characterized in that, The third seal (43) is mounted on the base (2) by at least one mounting component (5).
5. The airtight tooling according to claim 3, characterized in that, An airtightness measurement position (35) is provided between the third sealing element (43) and the third hole (33) on the end plate (3).
6. The airtight tooling according to claim 1, characterized in that, The base (2) has a detection chamber (25) on its upper side. A washer (23) that cooperates with the end plate (3) is provided on the detection chamber (25). An air inlet (26) is provided on the base (2) and is connected to the detection chamber (25).
7. The airtight tooling according to claim 1, characterized in that, The base (2) is provided with multiple hand rests (21) on its lower side; The end plate is provided with a plurality of first holes and second holes.
8. The airtight tooling according to claim 1, characterized in that, The cover plate (4) clamps the end plate (3) onto the base (2) and seals the end plate on one side of the detection cavity (25) of the base (2).