Battery shell and battery

Abstract

The utility model relates to the technical field of battery manufacturing, and discloses a battery shell and a battery. The bottom shell abuts against the base shell, and a first through hole is formed in the bottom shell; the foot pad is bonded with the bottom shell, a second through hole is formed in the foot pad, and the second through hole is correspondingly communicated with the first through hole; and the fastener penetrates through the second through hole and the first through hole and is fastened in the base shell so as to connect the foot pad, the bottom shell and the base shell. According to the utility model, the fastener is arranged, so that the transverse stress capacity of the foot pad is enhanced, and the foot pad is prevented from being staggered and warped after being subjected to transverse stress.

Description

Technical Field

[0001] The utility model relates to the technical field of battery manufacturing, in particular to a battery shell and a battery. Background Art

[0002] With the continuous development of new energy, batteries have become the main power source for many new energy products and electronic products. In order to protect the working performance of the battery and maintain the stability of the battery, the battery housing is generally provided with a waterproof structure.

[0003] Existing batteries often have pads at the bottom of the housing to elevate the battery and prevent liquid from seeping into the battery. However, in the prior art, the pads are often directly glued to the housing using adhesive. This pad has poor force-bearing effect and poor lateral force-bearing capacity, and is prone to warping. Utility Model Content

[0004] In view of this, the utility model provides a battery housing and a battery to solve the problems of poor force-bearing effect and lateral force-bearing capacity of the foot pad and easy warping of the foot pad.

[0005] In the first aspect, the utility model provides a battery shell, comprising: a base shell; a bottom shell, abutting the base shell, the bottom shell having a first through hole; a foot pad, bonded to the bottom shell, the foot pad having a second through hole, the second through hole corresponding to and connected to the first through hole; a fastener, the fastener passes through the second through hole, the first through hole and is fastened in the base shell to connect the foot pad, the bottom shell and the base shell.

[0006] Beneficial effect: By providing fasteners, the lateral force bearing capacity of the foot pad is enhanced, and the foot pad is prevented from being dislocated and warped after being subjected to lateral force.

[0007] In an optional embodiment, the bottom shell is provided with a mounting groove, and the foot pad is embedded in the mounting groove.

[0008] Beneficial effect: By opening the installation groove and embedding the foot pad into the installation groove, the lateral force-bearing capacity of the foot pad is enhanced, and the foot pad is prevented from being dislocated and warped after being subjected to lateral force.

[0009] In an optional embodiment, the bottom shell includes a main body and a boss, the boss is connected to the main body, the main body is provided with the mounting groove, the boss is arranged in the mounting groove, the boss is provided with the first through hole, and the boss is embedded in the second through hole.

[0010] Beneficial effects: By setting the bosses and through holes, the longitudinal positioning of the foot pad and the bottom shell is achieved, the lateral force-bearing capacity of the foot pad is further enhanced, and the foot pad is prevented from being dislocated and warped after being subjected to lateral force; the precise positioning and fixation of the foot pad and the bottom shell are achieved, the assembly error is reduced, the assembly efficiency and speed are improved, and the foot pad can withstand a large amount of force and pressure to maintain its stability and safety.

[0011] In an optional embodiment, the second through hole includes an embedding hole and a mounting hole, the embedding hole is connected to the mounting hole, the boss is embedded in the embedding hole, the head end of the fastener is arranged in the mounting hole, and one end of the fastener is simultaneously in contact with the boss and the foot pad.

[0012] In an optional embodiment, the battery housing further includes an adhesive structure, which is disposed between the bottom shell and the foot pad, and two sides of the adhesive structure are respectively bonded to the bottom shell and the foot pad.

[0013] Beneficial effect: By using the adhesive structure to bond the foot pad and the bottom shell, the connection stability between the support part and the bottom shell is enhanced.

[0014] In an optional embodiment, the adhesive structure is a waterproof double-sided tape.

[0015] Beneficial effect: The bonding part is a waterproof double-sided tape, which enhances the waterproof ability of the foot pad and the bottom shell.

[0016] In an optional embodiment, the base shell includes a nut column, which is arranged corresponding to the first through hole and communicated with the first through hole, and the fastener passes through the second through hole and the first through hole and is fastened in the nut column.

[0017] In an optional embodiment, sealing glue is provided in the first through hole, and the sealing glue is provided between the hole wall of the first through hole and the fastener.

[0018] Beneficial effect: By filling the first through hole with sealing glue, the waterproof ability of the foot pad and the bottom shell is further improved, and water is prevented from penetrating into the interior of the battery shell through the gap between the first through hole and the fastener.

[0019] In an optional embodiment, a sealing structure is provided between the head end of the fastener and the foot pad.

[0020] Beneficial effect: By providing a sealing structure between the fastener and the foot pad, the waterproof capability of the battery housing is further improved, preventing water from penetrating into the battery housing through the fastener.

[0021] In a second aspect, the present invention further provides a battery, comprising the above-mentioned battery housing. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0023] Figure 1 This is a schematic diagram of the connection structure of the base shell, bottom shell and foot pad in an embodiment of the utility model;

[0024] Figure 2 This is a schematic diagram of the connection structure between the bottom shell and the base shell according to an embodiment of the utility model;

[0025] Figure 3 This is a schematic structural diagram of a foot pad according to an embodiment of the present utility model;

[0026] Figure 4 This is a schematic structural diagram of a battery according to an embodiment of the present utility model.

[0027] Description of reference numerals:

[0028] 10. Base shell; 11. Nut column; 20. Bottom shell; 21. First through hole; 22. Mounting groove; 23. Main body; 24. Boss; 30. Foot pad; 31. Second through hole; 311. Embedded hole; 312. Mounting hole; 40. Fastener; 50. Sealing structure. DETAILED DESCRIPTION

[0029] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts shall fall within the scope of protection of the present invention.

[0030] The following combination Figures 1 to 4 , describing the embodiments of the present utility model.

[0031] According to an embodiment of the present invention, in a first aspect, a battery case is provided, comprising a base shell 10, a bottom shell 20, a foot pad 30, and a fastener 40. The bottom shell 20 abuts against the base shell 10 and defines a first through hole 21. The foot pad 30 is bonded to the bottom shell 20 and defines a second through hole 31, which is in communication with the first through hole 21. The fastener 40 passes through the second through hole 31 and the first through hole 21 and is fastened within the base shell 10 to connect the foot pad 30, the bottom shell 20, and the base shell 10.

[0032] The battery housing of this embodiment is used to provide the fastener 40 to enhance the transverse force bearing capacity of the foot pad 30 and prevent the foot pad 30 from being dislocated and warped after being subjected to the transverse force.

[0033] It should be noted that, in the related art, the bottom shell 20 and the base shell 10 are connected by fasteners 40, and the bottom shell 20 and the foot pad 30 are bonded. In this embodiment, the same fastener 40 is used to fasten the base shell 10, the bottom shell 20 and the foot pad 30 together at the same time, thereby improving the connection effect between the foot pad 30 and the bottom shell 20 without adding additional fasteners 40.

[0034] Specifically, in this embodiment, the fastener 40 is a screw.

[0035] It is worth noting that, please refer to Figure 1 One side of the bottom shell 20 is connected to the base shell 10 , and the foot pad 30 is arranged on the other side of the bottom shell 20 away from the base shell 10 .

[0036] In one embodiment, Figure 1 and Figure 2 As shown, the bottom shell 20 is provided with a mounting groove 22, and the foot pad 30 is embedded in the mounting groove 22. By providing the mounting groove 22 and embedding the foot pad 30 in the mounting groove 22, the lateral force bearing capacity of the foot pad 30 is enhanced, and the foot pad 30 is prevented from being dislocated and warped after being subjected to lateral force.

[0037] For details, please refer to Figure 1 The peripheral wall of the foot pad 30 abuts against the groove wall of the installation groove 22. When the foot pad 30 is subjected to a lateral force, the groove wall of the installation groove 22 limits the peripheral wall of the foot pad 30 to prevent the foot pad 30 from being dislocated.

[0038] It is worth noting that the mounting groove 22 is opened on the side of the bottom shell 20 away from the base shell 10, the side of the foot pad 30 facing the bottom shell 20 is embedded in the mounting groove 22, and the side of the foot pad 30 away from the bottom shell 20 protrudes from the mounting groove 22.

[0039] In one embodiment, Figure 2 As shown, the bottom shell 20 includes a main body 23 and a boss 24. The boss 24 is connected to the main body 23. The main body 23 has a mounting groove 22. The boss 24 is arranged in the mounting groove 22. The boss 24 has a first through hole 21. The boss 24 is embedded in the second through hole 31.

[0040] For details, please refer to Figure 1 The hole wall of the second through hole 31 of the foot pad 30 abuts against the outer wall of the boss 24. When the foot pad 30 is subjected to a lateral force, the hole wall of the second through hole 31 of the foot pad 30 limits the outer wall of the boss 24 to prevent the foot pad 30 from being dislocated.

[0041] It is worth noting that by setting the boss 24 and the through hole, the longitudinal positioning of the foot pad 30 and the bottom shell 20 is achieved, and the lateral force-bearing capacity of the foot pad 30 is further enhanced, preventing the foot pad 30 from being dislocated and warped after being subjected to lateral force; the precise positioning and fixation of the foot pad 30 and the bottom shell 20 are achieved, reducing assembly errors, improving assembly efficiency and speed, bearing a large amount of force and pressure, and maintaining the stability and safety of the foot pad 30.

[0042] In one embodiment, Figure 1 and Figure 3 As shown, the second through hole 31 includes an embedding hole 311 and a mounting hole 312. The embedding hole 311 is connected to the mounting hole 312. The boss 24 is embedded in the embedding hole 311. The head end of the fastener 40 is set in the mounting hole 312. One end of the fastener 40 is in contact with the boss 24 and the foot pad 30 at the same time.

[0043] For details, please refer to Figure 1 and Figure 3 In this embodiment, the second through hole 31 is a stepped hole. Furthermore, the stepped hole is in a convex shape.

[0044] For details, please refer to Figure 1 The fastener 40 is a screw, and the head end of the screw is set in the mounting hole 312.

[0045] Specifically, when the head end of the screw abuts against the boss 24 , the head end of the screw abuts against the foot pad 30 , that is, the lower end of the boss 24 is flush with the lower end of the embedding hole 311 .

[0046] In one embodiment, Figure 1 As shown, the battery housing further includes an adhesive structure, which is disposed between the bottom shell 20 and the foot pad 30 , and two sides of the adhesive structure are bonded to the bottom shell 20 and the foot pad 30 respectively.

[0047] It is worth noting that the foot pad 30 and the bottom shell 20 are bonded together by the adhesive structure, thereby enhancing the connection stability between the support portion and the bottom shell 20 .

[0048] In one embodiment, the adhesive structure is a waterproof double-sided tape.

[0049] It is worth noting that the bonding portion is a waterproof double-sided tape, which enhances the waterproof capability of the foot pad 30 and the bottom shell 20 .

[0050] In one embodiment, Figure 1 and Figure 2 As shown, the base shell 10 includes a nut standoff 11, which is arranged corresponding to and communicates with the first through-hole 21. The fastener 40 passes through the second through-hole 31 and the first through-hole 21 and is fastened within the nut standoff 11. The provision of the nut standoff 11 facilitates the connection and mating of the fastener 40 with the base shell 10, ensuring the secure fastening of the fastener 40.

[0051] Of course, in other alternative embodiments, the base shell 10 may directly open a threaded hole so that the fastener 40 is fastened in the threaded hole.

[0052] It is worth noting that the first through hole 21 can be a smooth hole, and the outer wall of the fastener 40 is in contact with or has a gap with the hole wall of the first through hole 21; or, the first through hole 21 can also be a threaded hole, so that the fastener 40 is threadedly connected to the first through hole 21.

[0053] In one embodiment, a sealing glue is provided in the first through hole 21, and the sealing glue is provided between the hole wall of the first through hole 21 and the fastener 40. By filling the first through hole 21 with the sealing glue, the waterproof capability of the foot pad 30 and the bottom shell 20 is further improved, and water is prevented from seeping into the interior of the battery housing through the gap between the first through hole 21 and the fastener 40.

[0054] It should be noted that there is a gap between the hole wall of the first through hole 21 and the fastener 40 , and water or other liquids can easily penetrate into the housing through the gap, affecting the stability of the battery and shortening the service life of the battery.

[0055] In one embodiment, Figure 1 As shown, a sealing structure 50 is provided between the head end of the fastener 40 and the foot pad 30 .

[0056] Specifically, in this embodiment, the sealing structure 50 between the fastener 40 and the foot pad 30 is a sealing ring.

[0057] Specifically, when the fastener 40 is screwed in and locked, the sealing ring is squeezed by the fastener 40 to fill the gap between the fastener 40 and the foot pad 30, thereby achieving a waterproof effect.

[0058] Of course, in other alternative embodiments, the sealing structure 50 may also be a sealing pad, a sealing gasket, etc.

[0059] It is worth noting that, by providing a sealing structure 50 between the fastener 40 and the foot pad 30 , the waterproof capability of the battery housing is further improved, thereby preventing water from penetrating into the battery housing through the fastener 40 .

[0060] To apply the battery case of this embodiment, first, the adhesive structure is bonded to the foot pad 30; then, the embedding hole 311 is aligned with the boss 24, and the foot pad 30 is pasted into the mounting groove 22 of the bottom shell 20; thereafter, sealing glue is poured into the first through hole 21, and the sealing structure 50 is set in the mounting hole 312 of the foot pad 30; finally, the fastener 40 is locked in the nut column 11 of the base shell 10, so that the sealing structure 50 is located between the fastener 40 and the foot pad 30, and the foot pad 30, bottom shell 20 and base shell 10 are connected.

[0061] According to an embodiment of the present invention, in a second aspect, a battery is further provided, comprising the above-mentioned battery housing.

[0062] For details, please refer to Figure 4 In this embodiment, the battery is provided with four foot pads 30 , and the bottom shell 20 is provided with four mounting slots 22 . The four foot pads 30 are spaced apart and arranged at the four corners of the bottom shell 20 of the battery.

[0063] Of course, in other alternative embodiments, the number and positions of the foot pads 30 can also be selected and adjusted according to actual conditions, and the number of the mounting slots 22 is adjusted corresponding to the number of the foot pads 30 .

[0064] Although the embodiments of the present invention are described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations are all within the scope defined by the present invention.

Claims

1. A battery housing, characterized in that: include: base shell (10); A bottom shell (20) is in contact with the base shell (10), and a first through hole (21) is formed in the bottom shell (20); A foot pad (30) is bonded to the bottom shell (20), and the foot pad (30) is provided with a second through hole (31), and the second through hole (31) is correspondingly connected to the first through hole (21); A fastener (40) passes through the second through hole (31) and the first through hole (21) and is fastened in the base shell (10) to connect the foot pad (30), the bottom shell (20) and the base shell (10).

2. The battery case according to claim 1, wherein: The bottom shell (20) is provided with a mounting groove (22), and the foot pad (30) is embedded in the mounting groove (22).

3. The battery case according to claim 2, characterized in that The bottom shell (20) includes a main body (23) and a boss (24), the boss (24) is connected to the main body (23), the main body (23) is provided with the mounting groove (22), the boss (24) is arranged in the mounting groove (22), the boss (24) is provided with the first through hole (21), and the boss (24) is embedded in the second through hole (31).

4. The battery case according to claim 3, characterized in that The second through hole (31) includes an embedding hole (311) and a mounting hole (312), the embedding hole (311) is communicated with the mounting hole (312), the boss (24) is embedded in the embedding hole (311), the head end of the fastener (40) is arranged in the mounting hole (312), and one end of the fastener (40) is in contact with the boss (24) and the foot pad (30) at the same time.

5. The battery housing according to any one of claims 1 to 4, characterized in that: The battery housing further comprises an adhesive structure, wherein the adhesive structure is arranged between the bottom shell (20) and the foot pad (30), and two surfaces of the adhesive structure are respectively bonded to the bottom shell (20) and the foot pad (30).

6. The battery case according to claim 5, characterized in that The bonding structure is a waterproof double-sided tape.

7. The battery housing according to any one of claims 1 to 4, characterized in that: The base shell (10) includes a nut column (11), the nut column (11) is arranged corresponding to the first through hole (21) and is connected to the first through hole (21), and the fastener (40) passes through the second through hole (31) and the first through hole (21) and is fastened in the nut column (11).

8. The battery casing according to any one of claims 1 to 4, characterized in that: Sealing glue is provided in the first through hole (21), and the sealing glue is provided between the hole wall of the first through hole (21) and the fastener (40).

9. The battery casing according to any one of claims 1 to 4, characterized in that: A sealing structure (50) is provided between the head end of the fastener (40) and the foot pad (30).

10. A battery, characterized in that: A battery casing comprising the battery casing according to any one of claims 1 to 9.

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