CN218546019U - Plugging tool for air tightness detection and battery pack - Google Patents
Plugging tool for air tightness detection and battery pack Download PDFInfo
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- CN218546019U CN218546019U CN202222995992.9U CN202222995992U CN218546019U CN 218546019 U CN218546019 U CN 218546019U CN 202222995992 U CN202222995992 U CN 202222995992U CN 218546019 U CN218546019 U CN 218546019U
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- cover body
- explosion
- proof valve
- cover
- air tightness
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Gas Exhaust Devices For Batteries (AREA)
Abstract
The utility model provides a gas tightness detects with shutoff frock and battery package, the utility model discloses a gas tightness detects with shutoff frock is used for the explosion-proof valve on the shutoff battery enclosure body, the gas tightness detects with the shutoff frock includes shutoff cover and retaining member, the shutoff cover is including having the cover body in dustcoat chamber, be equipped with the opening that supplies explosion-proof valve to get into the dustcoat intracavity on the cover body, the cover body be formed with open-ended one end and be equipped with the linking arm that can warp, the retaining member is located between the linking arm and the cover body, and the locking force of retaining member can make linking arm deformation, and make the cover body lock on explosion-proof valve. The utility model discloses a gas tightness detects and uses shutoff frock has simple structure, and easily the installation is fixed to the explosion-proof valve of shutoff that can be better, and do benefit to the reliability that improves battery package gas tightness test.
Description
Technical Field
The utility model relates to a battery package check out test set technical field, in particular to gas tightness detects uses shutoff frock. The utility model discloses still relate to a battery package that adopts this gas tightness to detect with shutoff frock.
Background
With the rise of new energy industry and the increase of research and development force of pure electric vehicles in China, the technology of the electric vehicles in China gradually matures, and the design of safety, light weight, standardization, low cost and the like of the power battery pack becomes an important factor for restricting the popularization of new energy vehicles at present.
In the prior art, for the air tightness detection of the battery pack, the air tightness of the whole pack is usually tested firstly, then the explosion-proof valve is installed, the air tightness of the whole pack after the explosion-proof valve is installed cannot be confirmed, and the air tightness between the boundary beam and the explosion-proof valve cannot be confirmed, so that the risk of unqualified air tightness is easily caused, and the safety risk of the battery pack is caused.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing an air tightness detects uses shutoff frock to can block up explosion-proof valve betterly, and do benefit to the reliability that improves battery package air tightness and detect.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a plugging tool for detecting air tightness is used for plugging an explosion-proof valve on a battery pack shell and comprises a plugging cover and a locking piece;
the blocking cover comprises a cover body with a cover cavity, an opening for the explosion-proof valve to enter the cover cavity is formed in the cover body, and a deformable connecting arm is arranged at one end of the cover body, where the opening is formed;
the retaining member is located the linking arm with between the cover body, just the locking force of retaining member can make the linking arm deformation, and make the cover body locking is in on the explosion-proof valve.
Furthermore, an open slot is formed on the outer peripheral surface of the cover body, and the open slot separates the cover body, so that the end part of the cover body forms the connecting arm.
Furthermore, the connecting arms are arranged on the cover body in an opposite mode.
Furthermore, the two connecting arms are provided with connecting lugs with connecting holes;
the locking piece comprises a threaded connecting piece and a locking nut, and the threaded connecting piece sequentially penetrates through the two connecting holes and is in threaded connection with the locking nut.
Furthermore, a sealing layer is arranged on the cover body and covers the inner wall of the cover cavity.
Further, the sealing layer is made of rubber.
Furthermore, the cover body is provided with an abutting lug boss abutting against the explosion-proof valve, and/or a convex edge extending outwards along the radial direction of the cover body is formed at one end of the cover body far away from the opening.
Compared with the prior art, the utility model discloses following advantage has:
gas tightness detects uses shutoff frock simple structure, easily the installation is fixed to can carry out better shutoff to explosion-proof valve through the parcel cover chamber and the retaining member that set up, and make the fastening of shutoff cover on explosion-proof valve, have better fastening effect and the little characteristics of occupation space, thereby do benefit to the reliability that improves battery package gas tightness test.
In addition, the formed open slot is beneficial to the deformation of the connecting arm, the effect of locking the explosion-proof valve can be improved, and the structure is simple and easy to process and manufacture. The connecting arms which are oppositely arranged are further arranged, so that the deformation of the connecting arms is favorably improved, and the fastening effect is further favorably improved.
In addition, the locking piece adopts a threaded connecting piece and a locking nut, and has the characteristics of simple structure, lower cost and easiness in material taking. And the sealing layer arranged on the cover body is favorable for improving the sealing connection effect between the plugging cover and the explosion-proof valve, so that the reliability of the air tightness test of the battery pack is further improved.
Meanwhile, the butt boss arranged on the cover body can be in better butt joint with the explosion-proof valve, and the vent holes in the explosion-proof valve can be better plugged. The convenience of operation can be improved to the setting on protruding edge.
Another object of the utility model is to provide a battery pack, sealing connection has explosion-proof valve on the boundary beam of battery pack, explosion-proof valve is through as above the gas tightness detect and carry out the shutoff with the shutoff frock, in order to detect explosion-proof valve reaches the boundary beam with gas tightness between the explosion-proof valve.
The utility model discloses a battery package is through adopting foretell gas tightness to detect with shutoff frock shutoff explosion-proof valve, when can do benefit to battery package gas tightness and detect, also does benefit to the efficiency that improves battery package gas tightness and detects, and has fine practicality.
Drawings
The accompanying drawings, which form a part of the present disclosure, are included to provide a further understanding of the present disclosure, and are incorporated in and constitute a part of this specification, illustrate embodiments of the present disclosure and together with the description serve to explain the present disclosure. In the drawings:
fig. 1 is a schematic structural diagram of an application state of a plugging tool for detecting air tightness according to an embodiment of the present invention;
fig. 2 is a cross-sectional view of the plugging tool for detecting air tightness according to the embodiment of the present invention in an application state;
fig. 3 is a perspective view of a plugging tool for detecting air tightness according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a plugging cover according to an embodiment of the present invention;
fig. 5 is a cross-sectional view of a plugging cover according to an embodiment of the present invention;
description of the reference numerals:
1. a plugging tool for air tightness detection; 11. a plugging cover; 12. a threaded connection; 13. locking the nut; 101. a cover body; 102. a convex edge; 1010. a bag cover cavity; 1011. an open slot; 1012. a connecting arm; 1013. connecting the support lug; 10130. connecting holes; 1014. abutting against the boss;
10. a battery pack; 1001. a boundary beam; 1002. an explosion-proof valve; 1000. and (4) air holes.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features of the embodiments of the present invention may be combined with each other.
In the description of the present invention, it should be noted that, if terms indicating orientation or positional relationship such as "upper", "lower", "inner", "outer", etc. appear, they are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the appearances of the terms first, second, etc. in this specification are not necessarily all referring to the same item, but are instead intended to cover the same item.
In addition, in the description of the present invention, the terms "mounted," "connected," and "connecting" are to be construed broadly unless otherwise specifically limited. For example, the connection may be fixed, detachable, or integrated; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in conjunction with the specific situation for a person of ordinary skill in the art.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The embodiment relates to a plugging tool for air tightness detection, which is used for plugging an explosion-proof valve on a battery pack shell so as to better plug the explosion-proof valve, is favorable for improving the reliability of air tightness test of the battery pack, and has the advantages of simple structure, easiness in installation and contribution to improving the installation efficiency.
As shown in fig. 3, with reference to fig. 1 and 2, the sealing tool 1 for detecting air tightness of the present embodiment mainly includes a sealing cap 11 and a locking member. The plugging cover 11 includes a cover body 101 having a covering cavity 1010, the cover body 101 is provided with an opening through which the explosion-proof valve 1002 enters the covering cavity 1010, and one end of the cover body 101, at which the opening is formed, is provided with a deformable connecting arm 1012. The locking piece is arranged between the connecting arm 1012 and the cover body 101, and the locking force of the locking piece can deform the connecting arm 1012 to lock the cover body 101 on the explosion-proof valve 1002.
In the structure, the connecting arm 1012 is deformed by the locking force of the locking part, so that the cover body 101 is locked and fixed on the explosion-proof valve 1002, the locking effect is good, the structure is convenient to operate, and the installation efficiency of the plugging tool 1 for air tightness detection and the explosion-proof valve 1002 is improved.
In the construction of the battery pack 10, as shown in fig. 1 and 2, the explosion-proof valve 1002 is typically sealingly attached to the side frame 1001 of the battery pack 10. In order to facilitate the detection of the air tightness of the battery pack 10, the plugging tool 1 for detecting the air tightness of the present embodiment is fixed to the explosion-proof valve 1002.
Specifically, as a preferred embodiment, as shown in fig. 2 to 5, an opening 1011 is formed on the outer peripheral surface of the cover 101, and the opening 1011 partitions the cover 101, so that the end portion of the cover 101 forms a connecting arm 1012. And the arrangement of the opening groove 1011 enables the connecting arm 1012 to deform, so that the connecting arm 1012 and the cover body 101 tightly clamp the peripheral surface of the explosion-proof valve 1002 under the locking force of the locking piece.
In this embodiment, as a preferred embodiment of the present embodiment, the connecting arms 1012 are two oppositely arranged on the cover 101. This is beneficial to further increasing the amount of deformation of the connecting arm 1012, which is further beneficial to improving the fastening effect.
It should be noted that the connecting arms 1012 can be provided in one piece instead of two pieces, and the deformed connecting arms 1012 are fastened to the cover 101 by the locking members, so that the outer circumferential surface of the explosion-proof valve 1002 can be tightened. Moreover, the locking member may be, for example, a bolt and a nut, a snap spring, or other fasteners capable of locking the cover 101 and the connecting arm 1012 to the explosion-proof valve 1002, and the connecting arm 1012 and the cover 101 may be correspondingly disposed according to the specific structure of the locking member.
In the present embodiment, as a preferred embodiment, in the present embodiment, each of the two connecting arms 1012 is provided with a connecting lug 1013 having a connecting hole 10130, and the connecting lug 1013 extends and bends toward the outside of the covering cavity 1010. The locking member includes a threaded connector 12 and a locking nut 13, and the threaded connector 12 passes through the two connecting holes 10130 in sequence and is screwed with the locking nut 13. Through the arrangement of the threaded connecting piece 12 and the locking nut 13, the two connecting lugs 1013 can be well fastened together, and the corresponding parts of the two connecting arms 1012 and the cover body 101 can well lock the explosion-proof valve 1002, and the explosion-proof valve has the characteristics of simple structure, low cost and convenience in installation.
As a further improvement of this embodiment, in this embodiment, a sealing layer is provided on the cover body 101, and the sealing layer covers the inner wall of the covering cavity 1010. Therefore, the sealing connection effect between the plugging cover 11 and the explosion-proof valve 1002 is improved, and the reliability of the air tightness test of the battery pack is further improved. And in the implementation, the sealing layer is preferably made of rubber.
In addition, referring to fig. 2, 4 and 5, in the present embodiment, the cover body 101 is further provided with an abutting boss 1014 abutting against the explosion-proof valve 1002, and the abutting boss 1014 abuts against the outer contour of the explosion-proof valve 1002, so that the cover body 101 can better abut against the explosion-proof valve 1002 and the air hole 1000 on the explosion-proof valve 1002 can be better blocked. Meanwhile, as a preferred embodiment of the present embodiment, a protruding edge 102 extending outward in the radial direction of the cover body 101 is formed at one end of the cover body 101 away from the opening, and the provision of the protruding edge 102 can improve the convenience of the operation of closing the cover 11.
In the sealing tool 1 for detecting air tightness of the present embodiment, in particular, it is only necessary to cover the sealing cap 11 on the explosion-proof valve 1002 and fasten the connecting arm 1012 by the threaded connecting member 12 and the lock nut 13. Therefore, the air tightness detection of the battery pack is simple and convenient to operate and easy to install.
The plugging tool 1 for detecting the air tightness has the advantages of being simple in structure, convenient to install and fix, capable of well plugging the explosion-proof valve 1002, and beneficial to improving the reliability of air tightness testing of the battery pack and convenience of assembly.
In addition, this embodiment also relates to a battery pack, and at this time, as shown in fig. 1, an explosion-proof valve 1002 is hermetically connected to the edge beam 1001 of the battery pack 10, and the explosion-proof valve 1002 is sealed by the sealing tool 1 for detecting airtightness as described above, so as to detect the airtightness of the explosion-proof valve 1002 and the airtightness between the edge beam 1001 and the explosion-proof valve 1002.
The battery pack of this embodiment seals explosion-proof valve 1002 through adopting foretell shutoff frock 1 for gas tightness detection, when being favorable to improving battery pack gas tightness and detecting, also is favorable to improving battery pack gas tightness detection's efficiency, and has fine practicality.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides an air tightness detects with shutoff frock for explosion-proof valve (1002) on the shutoff battery can casing, its characterized in that:
the plugging tool (1) for detecting the air tightness comprises a plugging cover (11) and a locking piece;
the blocking cover (11) comprises a cover body (101) with a cover cavity (1010), an opening for the explosion-proof valve (1002) to enter the cover cavity (1010) is formed in the cover body (101), and a deformable connecting arm (1012) is arranged at one end of the cover body (101) where the opening is formed;
the retaining member is arranged between the connecting arm (1012) and the cover body (101), and the locking force of the retaining member can deform the connecting arm (1012) so as to lock the cover body (101) on the explosion-proof valve (1002).
2. The plugging tool for detecting air tightness according to claim 1, wherein:
an open slot (1011) is formed on the outer peripheral surface of the cover body (101), and the open slot (1011) separates the cover body (101), so that the end part of the cover body (101) forms the connecting arm (1012).
3. The plugging tool for detecting air tightness according to claim 2, wherein:
the connecting arms (1012) are arranged on the cover body (101) in an opposite mode.
4. The plugging tool for detecting air tightness according to claim 3, wherein:
the two connecting arms (1012) are respectively provided with a connecting support lug (1013) with a connecting hole (10130);
the retaining member includes threaded connection spare (12) and lock nut (13), threaded connection spare (12) wear through two in proper order connecting hole (10130), and with lock nut (13) spiro union.
5. The plugging tool for detecting air tightness according to claim 1, wherein:
the cover body (101) is provided with a sealing layer, and the sealing layer is coated on the inner wall of the cover cavity (1010).
6. The plugging tool for detecting air tightness according to claim 5, characterized in that:
the sealing layer is made of rubber.
7. The plugging tool for detecting airtightness according to any one of claims 1 to 6, wherein:
an abutting lug boss (1014) abutting against the explosion-proof valve (1002) is arranged on the cover body (101), and/or a convex edge (102) extending outwards along the radial direction of the cover body (101) is formed at one end, far away from the opening, of the cover body (101).
8. A battery pack, characterized in that an explosion-proof valve (1002) is hermetically connected to a boundary beam (1001) of the battery pack (10), and the explosion-proof valve (1002) is sealed by the sealing tool (1) for detecting airtightness according to any one of claims 1 to 7, so as to detect airtightness between the explosion-proof valve (1002) and the boundary beam (1001) and the explosion-proof valve (1002).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222995992.9U CN218546019U (en) | 2022-11-10 | 2022-11-10 | Plugging tool for air tightness detection and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222995992.9U CN218546019U (en) | 2022-11-10 | 2022-11-10 | Plugging tool for air tightness detection and battery pack |
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| Publication Number | Publication Date |
|---|---|
| CN218546019U true CN218546019U (en) | 2023-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222995992.9U Active CN218546019U (en) | 2022-11-10 | 2022-11-10 | Plugging tool for air tightness detection and battery pack |
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| Country | Link |
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| CN (1) | CN218546019U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116718317A (en) * | 2023-08-09 | 2023-09-08 | 江苏常丰精密科技有限公司 | Power battery shell leakage detection device |
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2022
- 2022-11-10 CN CN202222995992.9U patent/CN218546019U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116718317A (en) * | 2023-08-09 | 2023-09-08 | 江苏常丰精密科技有限公司 | Power battery shell leakage detection device |
| CN116718317B (en) * | 2023-08-09 | 2024-02-20 | 江苏常丰精密科技有限公司 | Power battery shell leakage detection device |
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