CN218498285U - Case lid, box and battery package - Google Patents
Case lid, box and battery package Download PDFInfo
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- CN218498285U CN218498285U CN202222218043.XU CN202222218043U CN218498285U CN 218498285 U CN218498285 U CN 218498285U CN 202222218043 U CN202222218043 U CN 202222218043U CN 218498285 U CN218498285 U CN 218498285U
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 51
- 238000003825 pressing Methods 0.000 claims abstract description 18
- 230000002787 reinforcement Effects 0.000 claims description 50
- 230000000149 penetrating effect Effects 0.000 claims description 10
- 238000009434 installation Methods 0.000 abstract description 13
- 230000002349 favourable effect Effects 0.000 abstract 1
- 230000008878 coupling Effects 0.000 description 9
- 238000010168 coupling process Methods 0.000 description 9
- 238000005859 coupling reaction Methods 0.000 description 9
- 238000004880 explosion Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000003351 stiffener Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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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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Abstract
The utility model relates to a case lid, box and battery package, wherein, the case lid includes: the cover body is provided with a mounting surface and a pressing surface which are oppositely arranged; the mounting assembly comprises a reinforcing piece and an explosion-proof piece, the reinforcing piece is provided with a supporting side, and the supporting side is abutted against the abutting surface; the explosion-proof piece is provided with a connecting side, and the connecting side is abutted with the mounting surface; the explosion-proof piece, the cover body and the reinforcing piece are connected through fastening pieces in a fastening mode. The utility model discloses the case lid is favorable to improving the regional intensity of explosion-proof valve installation face for explosion-proof piece is installed when the lid, and deformation can not take place for explosion-proof valve installation face.
Description
Technical Field
The utility model relates to a battery package technical field especially relates to a case lid, box and battery package.
Background
The battery package includes box, case lid and battery module, and battery module sets up in the box. In order to prevent the battery module from exhausting the hot air out of the case body when the thermal runaway occurs, an explosion-proof valve capable of communicating the inner space and the outer space of the case body is usually arranged on the case cover. Because the wall thickness of case lid is thinner, lead to intensity not enough, when installing explosion-proof valve in the case lid through the rivet nut, according to using the erection equipment difference, the rivet nut is fixed the explosion-proof valve in the case lid in-process, causes the case lid to have the deformation of different degrees for the flatness of the explosion-proof valve installation face of case lid is not up to standard.
At present, a boss is usually separately arranged on an explosion-proof valve mounting surface to increase the wall thickness at the explosion-proof valve mounting surface. However, the box cover is usually formed by stamping through a stamping device, the wall thickness is increased at a specific position of the box cover, high requirements are provided for the precision of the stamping device and the performance of stamping materials, and meanwhile, the local wall thickness of the box cover is changed, so that the wall thickness of the finished box cover cannot be kept at a stable level, and the reject ratio is high.
SUMMERY OF THE UTILITY MODEL
Based on this, there is a need for a case cover which is adapted to solve the problem that an explosion-proof valve mounting surface of an existing case cover is easily deformed, comprising:
the cover body is provided with a mounting surface and a pressing surface which are oppositely arranged;
the mounting assembly comprises a reinforcing piece and an explosion-proof piece, the reinforcing piece is provided with a supporting side, and the supporting side is abutted against the abutting surface;
the explosion-proof piece is provided with a connecting side, and the connecting side is abutted to the mounting surface;
the explosion-proof piece, the cover body and the reinforcing piece are connected through fastening pieces in a fastening mode.
Optionally, the cover body is provided with a first connecting hole penetrating through the mounting surface and the abutting surface, the reinforcement piece is provided with a second connecting hole corresponding to the first connecting hole, and the explosion-proof piece is provided with a third connecting hole corresponding to the first connecting hole;
the fastener includes connecting piece and mounting, the connecting piece with the mounting with first connecting hole, second connecting hole and third connecting hole cooperation, so that the reinforcement, explosion-proof spare with lid fixed connection.
Optionally, the connector comprises a bolt;
the fixing piece comprises a rivet nut, the rivet nut comprises a stop part, a deformation part and a connecting part, one end of the deformation part is connected with the stop part, and the other end of the deformation part is connected with the connecting part;
the connecting part and the deformation part sequentially penetrate through the first connecting hole and the second connecting hole, one end of the bolt sequentially penetrates through the third connecting hole, the stop part and the deformation part to be in threaded fit with the connecting part, so that the end, connected with the connecting part, of the deformation part is deformed, and the reinforcing piece and the explosion-proof piece are fixed on the cover body.
Optionally, the number of the first connecting hole, the second connecting hole and the third connecting hole is at least two;
the number of the connecting pieces and the fixing pieces is at least two, and the connecting pieces are fixedly connected with the fixing pieces, so that the reinforcing pieces, the explosion-proof pieces and the cover body are at least provided with two different connecting positions.
Optionally, the cover body is further provided with a first via hole penetrating through the mounting surface and the pressing surface, and the reinforcement has a second via hole corresponding to the first via hole;
the explosion-proof piece includes the mount pad and certainly connect the side direction the aiutage that extends of one side of lid, the aiutage is kept away from the one end of mount pad passes first via hole with the second via hole, the aiutage intercommunication the inside and the exterior space of lid.
Optionally, the supporting side has a supporting surface, and the supporting surface is attached to the pressing surface; and/or the presence of a gas in the gas,
the connecting side is provided with a connecting surface, and the connecting surface is attached to the mounting surface.
Optionally, the cover body is provided with a gas collecting groove which is formed by extending outwards from the inner part of the cover body;
the abutting surface is located on the inner groove wall of the gas collecting groove, and the mounting surface is located on the outer groove wall of the gas collecting groove.
Optionally, the reinforcement comprises a reinforcement sheet having a thickness D1 greater than or equal to 0.8mm and less than or equal to 4.8mm; and/or the presence of a gas in the gas,
the thickness D2 of the cover body is greater than or equal to 0.5mm and less than or equal to 2mm.
Optionally, the diameter Φ 1 of the first connection hole is greater than or equal to 6.15mm and less than or equal to 13.15mm; and/or the presence of a gas in the gas,
the diameter phi 2 of the second connecting hole is greater than or equal to 6.15mm and less than or equal to 13.15mm; and/or the presence of a gas in the gas,
the length L1 of the reinforcing piece is greater than or equal to 80mm and less than or equal to 100mm; and/or the presence of a gas in the gas,
the width L2 of the reinforcing member is greater than or equal to 60mm and less than or equal to 80mm.
In order to achieve the above object, the utility model also provides a box, include:
the box comprises a box body, wherein one side of the box body is provided with an opening; the side wall of the box body is provided with a mounting surface and a pressing surface which are oppositely arranged, and the box body is provided with a first connecting hole which penetrates through the mounting surface and the pressing surface;
the mounting assembly comprises a reinforcing piece, an explosion-proof piece, a connecting piece and a fixing piece;
the reinforcing piece is provided with a supporting side, the supporting side is abutted against the abutting surface, and the reinforcing piece is provided with a second connecting hole corresponding to the first connecting hole;
the explosion-proof piece is provided with a connecting side, the connecting side is abutted against the mounting surface, and the explosion-proof piece is provided with a third connecting hole corresponding to the first connecting hole;
the connecting piece with the mounting with first connecting hole, second connecting hole and third connecting hole cooperation, so that the reinforcement, explosion-proof piece with case body fixed connection.
In order to achieve the above object, the present invention also provides a battery pack, including:
the above case cover; and/or the presence of a gas in the gas,
the box body;
the box cover is arranged corresponding to the opening of the box body.
One of the above technical solutions has the following advantages and beneficial effects:
the utility model discloses the case lid is through setting up the relative installation face that sets up on the lid and supporting the pressure face to and set up the first connecting hole that runs through the installation face and support the pressure face, and the reinforcement has holding surface and second connecting hole, the holding surface with support the pressure face butt, second connecting hole and first connecting hole intercommunication, explosion-proof piece has the third connecting hole that runs through explosion-proof piece, the explosion-proof piece is installed in the installation face, third connecting hole and first connecting hole intercommunication. When the connecting piece is used for installing the explosion-proof piece on the cover body, the connecting piece and the fixing piece are matched with the first connecting hole, the second connecting hole and the third connecting hole, so that the purpose of fixedly connecting the reinforcing piece, the explosion-proof piece and the cover body is achieved. Because the reinforcing part is abutted to the abutting surface, the strength of the abutting surface in the cover body is enhanced, when the explosion-proof part is fixed on the mounting surface, the pressure generated by the matching of the connecting part and the fixing part is dispersed to the abutting surface through the supporting side, and the local deformation of the cover body caused by the stress concentration of the cover body is prevented. Compared with the prior art, the stamping equipment does not need to be replaced, raw materials do not need to be replaced, the wall thickness of the cover body does not need to be changed, and the production efficiency is improved.
Drawings
The foregoing and other objects, features and advantages of the application will be apparent from the following more particular description of preferred embodiments of the application, as illustrated in the accompanying drawings. Like reference numerals refer to like parts throughout the drawings, and the drawings are not intended to be drawn to scale in actual size, with emphasis instead being placed upon illustrating the subject matter of the present application.
Fig. 1 is a schematic view of a view structure of a case cover in an embodiment of the present application.
Fig. 2 is a partial enlarged view of the point i in fig. 1.
Fig. 3 is a schematic view of another perspective structure of the case cover in the embodiment of the present application.
Fig. 4 is a partial enlarged view of the point ii in fig. 3.
Fig. 5 is a schematic view of another perspective structure of the case cover in the embodiment of the present application.
Fig. 6 is a partial enlarged view of fig. 5 at iii.
Fig. 7 is a schematic view of another perspective structure of the case cover according to the embodiment of the present application.
Fig. 8 is an exploded view of the case cover and the reinforcement, the explosion-proof member, the connecting member, and the fixing member according to the embodiment of the present invention.
Fig. 9 is a partial enlarged view of the portion iv in fig. 8.
Fig. 10 is a schematic structural view of a reinforcing member in an embodiment of the present application.
Fig. 11 is a schematic structural diagram of an explosion-proof part in the embodiment of the application.
Fig. 12 is a schematic structural diagram of a fixing member in an embodiment of the present application.
Description of reference numerals:
1. a cover body; 11. a mounting surface; 12. pressing the surface; 13. a first via hole; 14. a first connection hole; 15. a gas collecting tank; 21. a reinforcement; 211. a support side; 2111. a support surface; 212. a second connection hole; 213. a second via hole; 22. an explosion-proof member; 221. a connection side; 2211. a connection face; 222. a third connecting hole; 223. a mounting base; 224. an exhaust funnel; 23. a connecting member; 24. a fixing member; 25. riveting a nut; 251. a stop part; 252. a deformation section; 253. a connecting portion.
Detailed Description
To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present application are shown in the drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element and be integral therewith, or intervening elements may also be present. The terms "disposed," "one end," "the other end," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The embodiment provides a box cover, which is mainly used for being matched with a box body to cover an opening of the box body. The case body can be used for holding the battery module, also can be used for holding electric core etc..
Hereinafter, a specific structure of the case cover will be mainly described.
Referring to fig. 1 to 12, in an embodiment of the present application, the case cover includes:
the cover body 1 is provided with a mounting surface 11 and a pressing surface 12 which are oppositely arranged;
a mounting assembly comprising a reinforcement 21 and a bursting-preventing member 22, the reinforcement 21 having a support side 211, the support side 211 abutting against the abutment surface 12;
the explosion-proof member 22 has a connection side 221, and the connection side 221 abuts against the mounting surface 11;
the explosion-proof piece 22, the cover body 1 and the reinforcing piece 21 are fastened and connected through fasteners.
The cover body 1 is provided with a first connecting hole 14 penetrating through the mounting surface 11 and the abutting surface 12, the reinforcement 21 is provided with a second connecting hole 212 corresponding to the first connecting hole 14, and the explosion-proof piece 22 is provided with a third connecting hole 222 corresponding to the first connecting hole 14; the fastening member includes a connecting member 23 and a fixing member 24, and the connecting member 23 and the fixing member 24 are engaged with the first coupling hole 14, the second coupling hole 212, and the third coupling hole 222 to fixedly couple the reinforcing member 21, the explosion-proof member 22, and the cover body 1.
The overall shape of the cover 1 may be rectangular, circular, irregular, or the like. The lid 1 may be integrally formed or may be formed by joining a plurality of parts, and in the present embodiment, the lid 1 is preferably formed by pressing, taking the integral molding as an example. The cover body 1 has a mounting surface 11 and a pressing surface 12 which are oppositely arranged, wherein the mounting surface 11 is used for mounting the explosion-proof piece 22, and the pressing surface 12 is used for mounting the reinforcing piece 21. The mounting surface 11 may be located on the side of the cover 1 covering the box body, or on the side of the box cover opposite to the box body. In the present embodiment, the mounting surface 11 is positioned on the side of the lid body 1 opposite to the side where the lid is provided on the box body.
The form of the mounting assembly is various, and it is described by way of example to include the reinforcing member 21 and the explosion-proof member 22, and the overall outer shape of the reinforcing member 21 is various, for example, a rectangular sheet, a circular sheet, a shaped sheet, a rectangular plate, a circular plate, and the like. The reinforcing member 21 is used for reinforcing the local strength of the box body, one side of the reinforcing member 21 is provided with a supporting side 211, and the supporting side 211 may be formed by a plurality of small bosses or surfaces, which is not limited in this respect. In order to increase the local strength of the cover 1 at the attachment surface 11, the support side 211 is provided in abutment with the abutment surface. The reinforcement 21 can be disposed on the cover 1 by welding, screwing, riveting, gluing, etc.
The explosion-proof member 22 is a device capable of communicating the internal space of the tank body with the external space of the tank body and automatically discharging the gas in the tank body out of the tank body when the internal pressure of the tank body reaches a set value. The form of the explosion proof member 22 may be various, for example, an explosion proof valve, a pressure relief valve, a safety valve, or the like. The explosion-proof material 22 has a connection side 221, and the explosion-proof material 22 is provided on the mounting surface 11, and the connection side 221 is provided in contact with the mounting surface 11.
The fastener can be a bolt and a nut, can also be a rivet, and can also be a bolt. For example, when the reinforcement 21, the explosion-proof member 22 and the cover body 1 are connected by the bolt and the nut, the cover body 1 is provided with the first connecting hole 14 penetrating through the mounting surface 11 and the abutting surface 12, the reinforcement 21 is provided with the second connecting hole 212 corresponding to the first connecting hole 14, the explosion-proof member 22 is provided with the third connecting hole 222 corresponding to the first connecting hole 14, so that the bolt can sequentially pass through the third connecting hole 222, the first connecting hole 14 and the second connecting hole 212 to be matched with the nut, and the purpose of fastening the reinforcement 21, the explosion-proof member 22 and the cover body 1 is achieved. When the reinforcement 21, the explosion-proof member 22 and the cover body 1 are connected by the rivet, the cover body 1 is provided with the first connecting hole 14 penetrating through the mounting surface 11 and the abutting surface 12, the reinforcement 21 is provided with the second connecting hole 212 corresponding to the first connecting hole 14, the explosion-proof member 22 is provided with the third connecting hole 222 corresponding to the first connecting hole 14, and thus, the rivet can sequentially penetrate through the third connecting hole 222, the first connecting hole 14 and the second connecting hole 212 to fixedly connect the reinforcement 21, the explosion-proof member 22 and the cover body 1. When reinforcement 21, explosion-proof piece 22 and lid 1 pass through bolted connection, lid 1 is seted up and is run through installation face 11 and the first connecting hole 14 that supports face 12, reinforcement 21 is provided with second connecting hole 212 corresponding to first connecting hole 14, set up the internal thread in the second connecting hole 212, explosion-proof piece 22 has the third connecting hole 222 that corresponds first connecting hole 14, so, the bolt can pass third connecting hole 222 and first connecting hole 14 and second connecting hole 212 threaded connection in proper order for reinforcement 21, explosion-proof piece 22 and lid 1 can fix.
The type of the connecting member 23 is various, such as a bolt, a mandrel, and the like. The type of the fixing member 24 is various, such as a nut, a blind rivet nut 25, a rivet body, and the like. For example, when the connecting member 23 is a bolt, the fixing member 24 is a nut, and one end of the bolt passes through the third connecting hole 222, the first connecting hole 14 and the second connecting hole 212 in sequence to be connected with the nut, thereby achieving the purpose of fixing the explosion-proof member 22 and the reinforcing member 21 to the cover body 1. For example, when the connecting member 23 is a rivet core, the fixing member 24 is a rivet body, the rivet core is disposed in the rivet body, and one end of the rivet body passes through the third connecting hole 222, the first connecting hole 14 and the second connecting hole 212 in sequence, and the rivet core is pulled to deform the rivet body, so as to fix the explosion-proof member 22 and the reinforcing member 21 to the cover body 1.
It should be noted that there may be a plurality of explosion-proof pieces 22, and specifically, the explosion-proof pieces 22 are disposed on the mounting surface 11 and are spaced between two adjacent explosion-proof pieces 22 according to requirements.
In some examples, as shown in fig. 9-12, the connector 23 includes a bolt. The fastener 24 includes a rivet nut 25, the rivet nut 25 includes a stop portion 251, a deformation portion 252, and a connecting portion 253, one end of the deformation portion 252 is connected to the stop portion 251, and the other end is connected to the connecting portion 253. The connecting portion 253 and the deforming portion 252 sequentially pass through the first connecting hole 14 and the second connecting hole 212, and the bolt sequentially passes through the third connecting hole 222, the stopper portion 251 and the deforming portion 252 to be screw-fitted to the connecting portion 253, so that one end of the deforming portion 252 connected to the connecting portion 253 is deformed to fix the reinforcement 21 and the explosion-proof member 22 to the cover 1.
The connecting member 23 includes a bolt. The fastener 24 includes a blind rivet nut 25, and the blind rivet nut 25 includes a stopper 251, a deformation portion 252, and a connecting portion 253, which are arranged in this order. The overall shape of the stopper 251 is cylindrical, and the radial dimension of the stopper 251 is greater than the radial dimension of the first connection hole 14 or the radial dimension of the second connection hole 212. The deformed portion 252 has a cylindrical shape as a whole, and the radial dimension of the deformed portion 252 is smaller than or equal to the radial dimensions of the first connection hole 14 and the second connection hole 212. The connecting portion 253 has an internal thread, and the radial dimension of the connecting portion 253 is smaller than or equal to the radial dimension of the first connecting hole 14 and the second connecting hole 212. So that the connection portion 253 of the blind rivet nut 25 can pass through the first connection hole 14 and the second connection hole 212 in sequence, or the connection portion 253 passes through the second connection hole 212 and the first connection hole 14 in sequence, etc. The present embodiment is described by taking an example in which the connecting portion 253 sequentially passes through the first connecting hole 14 and the second connecting hole 212. When the explosion-proof piece 22 is fixed to the cover body 1, one end of the connecting portion 253 and the deformation portion 252 connected to each other need to sequentially pass through the first connecting hole 14 and the second connecting hole 212, one end of the bolt sequentially passes through the third connecting hole 222, the stop portion 251 and the deformation portion 252 to be matched with the connecting portion 253, when the bolt is matched with the connecting portion 253, the bolt pulls the connecting portion 253 to move towards the stop portion 251, the deformation portion 252 is connected with the connecting portion 253, one end located outside the second connecting hole 212 radially deforms, the position where the deformation portion 252 deforms is radially larger than the radial dimension of the second connecting hole 212, and the explosion-proof piece 22 and the reinforcement piece 21 are fixed to the cover body 1 through the stop portion 251 and the deformation portion 252.
In some examples, as shown in fig. 9, the number of the first connection holes 14, the second connection holes 212, and the third connection holes 222 is at least two. The number of the connecting pieces 23 and the fixing pieces is at least two, and the connecting pieces 23 and the fixing pieces are fixedly connected, so that the reinforcing piece 21, the explosion-proof piece 22 and the cover body 1 have at least two different connecting positions.
In order to make the installation of the explosion-proof member 22 on the cover body 1 more stable, the number of the first connection holes 14 is preferably two, two first connection holes 14 are preferably arranged at intervals, two first connection holes 14 are arranged at intervals, and preferably, when the explosion-proof member 22 is arranged on the installation surface 11, the first connection holes 14 are close to the edge of the explosion-proof member 22. In addition, the number of the second links is two, and the two second link holes 212 are preferably arranged corresponding to the two first link holes 14 so that the connecting member 23 or the fixing member 24 passes through the first link holes 14 and the second link holes 212. The number of the third connection holes 222 is preferably two and is provided corresponding to the two first connection holes 14 so that the connection member 23 or the fixing member 24 can pass through the third connection holes 222, the first connection holes 14, and the second connection holes 212 in sequence. The number of the connecting members 23 and the fixing members 24 is two, so that the stability of the explosion-proof member 22 is improved when the two connecting members 23 and the two fixing members 24 are engaged.
In some examples, as shown in fig. 9, the cover 1 further defines a first through hole 13 penetrating through the mounting surface 11 and the abutting surface 12, and the stiffener 21 has a second through hole 213 corresponding to the first through hole 13. The explosion-proof member 22 includes a mounting seat 223 and an exhaust funnel 224 extending from the connecting side 221 to one side of the cover 1, one end of the exhaust funnel 224 far from the mounting seat 223 penetrates through the first through hole 13 and the second through hole 213, and the exhaust funnel 224 communicates the inside of the cover 1 with the outside space.
In order to facilitate the explosion-proof member 22 to communicate with the inner side of the cover body 1, the cover body 1 is further provided with a first through hole 13 penetrating through the mounting surface 11 and the abutting surface 12, meanwhile, the reinforcement member 21 is provided with a second through hole 213, and the first through hole 13 and the second through hole 213 are correspondingly arranged. The connecting side 221 is located on one side of the mounting seat 223, the exhaust funnel 224 is connected to one side of the mounting seat 223 having the connecting side 221, so that when the connecting side 221 abuts against the mounting surface 11, one end of the exhaust funnel 224 far away from the mounting seat 223 penetrates through the first through hole 13 and the second through hole 213, and the exhaust funnel 224 communicates with the inner side and the outer space of the cover body 1, thereby achieving the purpose of exhausting air.
In some examples, as shown in fig. 9-11, the support side 211 has a support surface 2111, the support surface 2111 abutting the abutment surface 12; and/or the connection side 221 has a connection surface 2211, and the connection surface 2211 is attached to the mounting surface 11.
The supporting surface 2111 and the abutting surface 12 are arranged in a fit mode, so that the deformation of the mounting surface 11 is reduced, and the stability of the cover body 1 is improved. Similarly, the attachment surface 2211 is attached to the attachment surface 11, so that the deformation of the attachment surface 11 is further reduced, and the sealing performance between the attachment surface 2211 and the attachment surface 11 is improved.
In some examples, the stiffener 21 includes a stiffener sheet having a thickness D 1 Greater than or equal to 0.8mm and less than or equal to 4.8mm; and/or the presence of a gas in the gas,
thickness D of the cover body 1 2 Greater than or equal to 0.5mm and less than or equal to 2mm.
Thickness D of cover 1 2 Need be more than or equal to 1.2mm, avoid lid 1 thickness too thin, lead to the not enough intensity of lid 1, the easy deformation causes the damage. The thickness of the cover body 1 needs to be smaller than or equal to 1.6mm, and the phenomenon that the cover body 1 is too large in thickness, too large in weight and not beneficial to use is avoided. For the purpose of stabilizing the explosion-proof member 22 after being mounted on the cover body 1, the number of the first connection holes 14 is preferably two, the two first connection holes 14 are preferably arranged at intervals, and the interval between the two first connection holes 14 is preferably close to the edge of the explosion-proof member 22 when the explosion-proof member 22 is arranged on the mounting surface 11. In addition, the number of the second connections is two, and the two second connection holes 212 are preferably arranged in one-to-one correspondence with the two first connection holes 14, so that the connection members 23 or the fixing members 24 pass through the first connection holes 14 and the second connection holes 212. The number of the third connection holes 222 is preferably two and is provided in one-to-one correspondence with the two first connection holes 14 so that the connection member 23 or the fixing member 24 can pass through the third connection hole 222, the first connection hole 14, and the second connection hole 212 in sequence. The number of the connecting pieces 23 and the fixing pieces 24 is two, so that when the two connecting pieces 23 and the two fixing pieces 24 are matched, the explosion-proof piece 22 is improvedStability of (2).
In some examples, as shown in fig. 9 and 10, the diameter of the first connection hole 14 is 1 Greater than or equal to 6.15mm and less than or equal to 13.15mm; and/or the presence of a gas in the gas,
diameter phi of the second connection hole 212 2 Greater than or equal to 6.15mm and less than or equal to 13.15mm; and/or the presence of a gas in the gas,
the length L1 of the reinforcing part 21 is greater than or equal to 80mm and less than or equal to 100mm; and/or the presence of a gas in the gas,
the width L2 of the reinforcement 21 is greater than or equal to 60mm and less than or equal to 80mm.
The size of the first connecting hole 14 needs to be larger than 14mm, so as to prevent the first connecting hole 14 from being too small, and the connecting piece 23 cannot pass through the first connecting hole 14 to enter the second connecting hole 212. The radial dimension of first connecting hole 14 needs be less than or equal to 16mm to set up, avoids the radial dimension of first connecting hole 14 too big, causes the intensity of reinforcement 21 not enough, leads to reinforcement 21 sunken. Thereby affecting the reinforcing member 21.
The radial dimension of the second connection hole 212 is required to be greater than or equal to 14 and less than or equal to 16mm. The connecting piece 23 can not pass through the second connecting hole 212 when the radial dimension of the second connecting hole 212 is less than 14 mm. In addition, when the size of the second connection hole 212 is larger than 16mm, the connection member 23 cannot be connected well after passing through the second connection hole 212, resulting in poor reliability.
Length L of the reinforcement 21 1 Need to be greater than or equal to 80mm, avoiding the length L of the reinforcement 21 1 Less than 80mm, the length of the reinforcement member 21 cannot cover the length of the explosion-proof member 22. Length L of the reinforcement 21 1 Need to be less than 100mm, avoiding the length L of the reinforcement 21 1 When the length is larger than 100mm, the length of the reinforcing member 21 becomes excessively large, which causes waste and increases the weight of the case cover. Similarly, the width L of the reinforcement 21 2 Need to be greater than or equal to 60mm, avoiding the width L of the reinforcement 21 2 Less than 60mm, the width of the reinforcing member 21 cannot cover the width of the explosion proof member 22. Width L of the reinforcement 21 2 Need to be less than 80mm, avoiding the width L of the reinforcement 21 2 When the width is larger than 80mm, the width of the reinforcing member 21 is too large, resulting in waste and increaseWeight of the top-loading lid.
In some examples, as shown in fig. 1, the cover 1 has a gas collecting groove 15 formed to protrude outward from the inside thereof. The pressing surface 12 is located on the inner groove wall of the gas collecting groove 15, and the mounting surface 11 is located on the outer groove wall of the gas collecting groove 15. Set up on lid 1 and gather the gas tank, accessible gas tank 15 gathers gas, sets up the relief valve again in the lateral wall of gas tank 15 for the better exhaust of relief valve can.
The utility model discloses still provide a box, include:
the box comprises a box body, wherein one side of the box body is provided with an opening; the side wall of the box body is provided with a mounting surface 11 and a pressing surface 12 which are oppositely arranged, and the box body is provided with a first connecting hole 14 which penetrates through the mounting surface 11 and the pressing surface 12;
the mounting assembly comprises a reinforcing piece 21, an explosion-proof piece 22, a connecting piece 23 and a fixing piece 24;
the reinforcement 21 has a support side 211, the support side 211 abuts against the abutting surface 12, the reinforcement 21 has a second connection hole 212 corresponding to the first connection hole 14;
the explosion-proof piece 22 is provided with a connecting side 221, the connecting side 221 is abutted with the mounting surface 11, and the explosion-proof piece 22 is provided with a third connecting hole 222 corresponding to the first connecting hole 14;
the connector 23 and the fixing member 24 are engaged with the first coupling hole 14, the second coupling hole 212 and the third coupling hole 222 to fixedly couple the reinforcement member 21, the explosion-proof member 22 and the tank body.
The shape of the box body can be various, such as rectangular, circular and the like. One side of the box body is provided with an opening for communicating the inner space of the box body. The side wall of the box body has a mounting surface 11 and a pressing surface 12 which are oppositely arranged, the mounting surface 11 may be located in an inner space of the box body or in an outer space of the box body, and the embodiment is described by taking the mounting surface 11 located on a side of the box body opposite to the box body as an example. In order to attach the explosion protector 22 to the attachment surface 11, a first connection hole 14 penetrating the attachment surface 11 and the abutting surface 12 is opened in a side wall of the tank body.
The form of the installation member is various and is exemplified by including the reinforcing member 21, the explosion-proof member 22, the connecting member 23 and the fixing member 24, and the overall outer shape of the reinforcing member 21 is various, for example, a rectangular sheet, a circular sheet, a shaped sheet, a rectangular sheet, a circular sheet, and the like. The reinforcing member 21 is used to reinforce the local strength of the box body, one side of the reinforcing member 21 has a supporting side 211, and the supporting side 211 may be formed by a plurality of small bosses or surfaces, which is not limited herein. In order to improve the local strength of the cover 1 at the mounting surface 11, the support side 211 is provided in contact with the contact surface. The reinforcement 21 has second connection holes 212 corresponding to the first connection holes 14, and the second connection holes 212 are preferably provided through the reinforcement 21.
The explosion-proof member 22 is a device which can communicate the internal space of the tank body with the external space of the tank body and can automatically exhaust the gas in the tank body from the tank body when the internal pressure of the tank body reaches a set value. The form of the explosion proof member 22 may be various, for example, an explosion proof valve, a pressure relief valve, a safety valve, or the like. The explosion-proof material 22 has a connection side 221, and the explosion-proof material 22 is provided on the mounting surface 11, and the connection side 221 is provided in contact with the mounting surface 11. The explosion-proof member 22 has a third coupling hole 222 corresponding to the first coupling hole 14 so as to fix the reinforcement member 21 and the explosion-proof member 22 to the cover body 1 through the coupling member 23 and the fixing member 24. The type of the connecting member 23 is various, such as a bolt, a screw, a core, and the like. The type of the fixing member 24 is various, such as a nut, a blind rivet nut 25, a rivet body, and the like. For example, when the connecting member 23 is a bolt, the fixing member 24 is a nut, and one end of the bolt passes through the third connecting hole 222, the first connecting hole 14 and the second connecting hole 212 to be connected with the nut, thereby achieving the purpose of fixing the explosion-proof member 22 and the reinforcing member 21 to the cover body 1. For example, when the connecting member 23 is a rivet core, the fixing member 24 is a rivet body, the rivet core is disposed in the rivet body, and one end of the rivet body passes through the third connecting hole 222, the first connecting hole 14 and the second connecting hole 212, and the rivet core is pulled to deform the rivet body, so as to fix the explosion-proof member 22 and the reinforcing member 21 to the cover body 1.
The utility model discloses still provide a battery package, this battery package includes case lid and/or box, and the concrete structure of this battery package refers to above-mentioned embodiment, because this battery package has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, gives unnecessary detail here one by one. Wherein, the case lid corresponds the uncovered setting of box.
The utility model discloses the case lid, through set up the relative installation face 11 that sets up on lid 1 and support pressure face 12, and set up the first connecting hole 14 that runs through installation face 11 and support pressure face 12, reinforcement 21 has holding surface 2111 and second connecting hole 212, holding surface 2111 with support pressure face 12 butt, second connecting hole 212 and first connecting hole 14 intercommunication, explosion-proof component 22 has the third connecting hole 222 that runs through explosion-proof component 22, explosion-proof component 22 installs in installation face 11, third connecting hole 222 and first connecting hole 14 intercommunication. When the explosion-proof member 22 is mounted to the cover body 1 by the connecting member 23, the reinforcing member 21, the explosion-proof member 22 and the cover body 1 are fixedly connected by the connecting member 23 and the fixing member 24 being engaged with the first connecting hole 14, the second connecting hole 212 and the third connecting hole 222. Since the reinforcement 21 abuts against the abutting surface 12, the strength of the cover body 1 at the position of the mounting surface 11 is enhanced, when the explosion-proof member 22 is fixed on the mounting surface, the pressure generated by the matching of the connecting member 23 and the fixing member 24 is dispersed to the abutting surface 12 through the supporting side 211, and the local deformation of the cover body 1 caused by the stress concentration of the cover body 1 is prevented. This application is compared in prior art, need not to change stamping equipment, need not to change raw and other materials, also need not to change the wall thickness of lid 1, has improved production efficiency.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples only represent several embodiments of the present application, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A case cover, comprising:
the cover body is provided with a mounting surface and a pressing surface which are oppositely arranged;
the mounting assembly comprises a reinforcing piece and an explosion-proof piece, the reinforcing piece is provided with a supporting side, and the supporting side is abutted against the abutting surface;
the explosion-proof piece is provided with a connecting side, and the connecting side is abutted to the mounting surface;
the explosion-proof piece, the cover body and the reinforcing piece are connected through fastening pieces in a fastening mode.
2. The case cover according to claim 1, wherein the cover body is provided with a first connecting hole penetrating through the mounting surface and the abutting surface, the reinforcement member is provided with a second connecting hole corresponding to the first connecting hole, and the explosion-proof member is provided with a third connecting hole corresponding to the first connecting hole;
the fastener includes connecting piece and mounting, the connecting piece with the mounting with first connecting hole, second connecting hole and third connecting hole cooperation, so that the reinforcement, explosion-proof spare with lid fixed connection.
3. The case cover according to claim 2, wherein said connecting member comprises a bolt;
the fixing piece comprises a rivet nut, the rivet nut comprises a stop part, a deformation part and a connecting part, one end of the deformation part is connected with the stop part, and the other end of the deformation part is connected with the connecting part;
the connecting part and the deformation part sequentially penetrate through the first connecting hole and the second connecting hole, one end of the bolt sequentially penetrates through the third connecting hole, the stop part and the deformation part to be in threaded fit with the connecting part, so that the deformation part and one end connected with the connecting part are deformed, and the reinforcing piece and the explosion-proof piece are fixed on the cover body.
4. The box cover according to claim 2, wherein the number of the first connecting hole, the second connecting hole and the third connecting hole is at least two;
the number of the connecting pieces and the fixing pieces is at least two, and the connecting pieces are fixedly connected with the fixing pieces, so that the reinforcing pieces, the explosion-proof pieces and the cover body are at least provided with two different connecting positions.
5. The box cover according to any one of claims 1 to 4, wherein the cover body is further provided with a first through hole penetrating through the mounting surface and the abutting surface, and the reinforcement is provided with a second through hole corresponding to the first through hole;
the explosion-proof piece includes the mount pad and certainly connect the side direction the aiutage that extends of one side of lid, the aiutage is kept away from the one end of mount pad passes first via hole with the second via hole, the aiutage intercommunication the inside and the exterior space of lid.
6. The box cover according to any one of claims 1 to 4, wherein the supporting side has a supporting surface, and the supporting surface is abutted with the abutting surface; and/or the presence of a gas in the gas,
the connecting side is provided with a connecting surface, and the connecting surface is attached to the mounting surface.
7. The lid according to any one of claims 1 to 4, wherein the lid body has a gas collecting channel formed to project outwardly from an interior thereof;
the abutting surface is positioned on the inner groove wall of the gas collecting groove, and the mounting surface is positioned on the outer groove wall of the gas collecting groove.
8. The box cover of claim 2, wherein the reinforcement packageIncluding a reinforcing sheet having a thickness D 1 Greater than or equal to 0.8mm and less than or equal to 4.8mm; and/or the presence of a gas in the atmosphere,
thickness D of the cover body 2 Greater than or equal to 0.5mm and less than or equal to 2mm; and/or the presence of a gas in the atmosphere,
diameter phi of the first connection hole 1 Greater than or equal to 6.15mm and less than or equal to 13.15mm; and/or the presence of a gas in the atmosphere,
diameter phi of the second connecting hole 2 Greater than or equal to 6.15mm and less than or equal to 13.15mm; and/or the presence of a gas in the atmosphere,
the length L1 of the reinforcing piece is greater than or equal to 80mm and less than or equal to 100mm; and/or the presence of a gas in the gas,
the width L2 of the reinforcing member is greater than or equal to 60mm and less than or equal to 80mm.
9. A box, characterized by comprising:
the box comprises a box body, wherein one side of the box body is provided with an opening; the side wall of the box body is provided with a mounting surface and a pressing surface which are oppositely arranged, and the box body is provided with a first connecting hole which penetrates through the mounting surface and the pressing surface;
the mounting assembly comprises a reinforcing piece, an explosion-proof piece, a connecting piece and a fixing piece;
the reinforcing piece is provided with a supporting side, the supporting side is abutted against the abutting surface, and the reinforcing piece is provided with a second connecting hole corresponding to the first connecting hole;
the explosion-proof piece is provided with a connecting side, the connecting side is abutted against the mounting surface, and the explosion-proof piece is provided with a third connecting hole corresponding to the first connecting hole;
the connecting piece with the mounting with first connecting hole, second connecting hole and third connecting hole cooperation, so that the reinforcement, explosion-proof piece with case body fixed connection.
10. A battery pack, comprising:
a case cover according to any one of claims 1 to 8; and/or the presence of a gas in the gas,
the case of claim 9;
the box cover is arranged corresponding to the opening of the box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222218043.XU CN218498285U (en) | 2022-08-19 | 2022-08-19 | Case lid, box and battery package |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222218043.XU CN218498285U (en) | 2022-08-19 | 2022-08-19 | Case lid, box and battery package |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218498285U true CN218498285U (en) | 2023-02-17 |
Family
ID=85187882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222218043.XU Active CN218498285U (en) | 2022-08-19 | 2022-08-19 | Case lid, box and battery package |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218498285U (en) |
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2022
- 2022-08-19 CN CN202222218043.XU patent/CN218498285U/en active Active
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