CN220189721U - Battery and electronic equipment - Google Patents

Abstract

The utility model discloses a battery and electronic equipment. The battery comprises a shell, a winding core, a first supporting plate and a first cover plate, wherein a containing cavity is arranged in the shell, the shell is at least provided with a first opening part, and the first opening part is communicated with the containing cavity; the winding core is arranged in the accommodating cavity; the first support plate is provided with a first surface and a second surface which are arranged opposite to each other, and the first surface is abutted with the first end of the winding core; the second surface is convexly provided with a first protruding part; the first cover plate is arranged on one side of the first supporting plate, which is far away from the winding core, the first cover plate is covered on the first opening part, and the first cover plate is abutted with the first protruding part; the first supporting plate is arranged in an insulating mode with the first cover plate.

Description

Battery and electronic equipment

Technical Field

The utility model relates to the technical field of energy storage devices, in particular to a battery and electronic equipment.

Background

In recent years, with the development of technology, various electronic products are going into thousands of households to become living necessities of people. The battery is used as a power source of the electronic product, and the performance of the battery in all aspects is one of important indexes for measuring the quality of the electronic product.

The structure of the cylindrical battery in the prior art has to be improved; for example, the manner of limiting and fixing the battery cells in the battery is complex and the fixing effect is poor.

Disclosure of Invention

An object of the present utility model is to provide a new technical solution for a battery and an electronic device.

According to a first aspect of the present utility model, there is provided a battery comprising:

the shell is internally provided with a containing cavity, at least a first opening part is formed in the shell, and the first opening part is communicated with the containing cavity;

the winding core is arranged in the accommodating cavity;

the first support plate is provided with a first surface and a second surface which are arranged opposite to each other, and the first surface is abutted with the first end of the winding core; the second surface is convexly provided with a first protruding part;

the first cover plate is arranged on one side, far away from the winding core, of the first supporting plate, the first cover plate is arranged on the first opening part in a covering mode, and the first cover plate is abutted to the first protruding part; the first supporting plate is arranged in an insulating mode with the first cover plate.

Optionally, the second surface of the first support plate is provided with three first protruding portions, and the three first protruding portions are arranged at intervals.

Optionally, a first exhaust through hole penetrating through the first surface and the second surface is formed in the first supporting plate; the first bulge is provided with a second exhaust through hole penetrating through the first bulge.

Optionally, the housing further has a second opening, the first opening is disposed opposite to the second opening, and the second opening is in communication with the accommodating cavity;

the battery also comprises a second supporting plate and a second cover plate, wherein the second supporting plate is provided with a third surface and a fourth surface which are arranged opposite to each other, and the third surface is abutted with the second end of the winding core; the fourth surface is convexly provided with a second protruding part;

the second cover plate is arranged on one side, far away from the winding core, of the second supporting plate, the second cover plate is arranged on the second opening part in a covering mode, and the second cover plate is in butt joint with the second protruding part.

Optionally, the fourth surface of the second support plate is provided with three second protrusions, and the three second protrusions are arranged at intervals.

Optionally, a third exhaust through hole penetrating through the third surface and the fourth surface is formed in the second supporting plate; and a fourth exhaust through hole penetrating through the second protruding part is formed in the second protruding part.

Optionally, the battery further comprises a conductive member, wherein a part of the conductive member is arranged in the accommodating cavity of the shell, and the other part of the conductive member is exposed out of the accommodating cavity; the conductive piece and the first cover plate are arranged in an insulating way;

the conductive member is configured as a first pole of the battery, and the second cover plate is configured as a second pole of the battery.

Optionally, the battery further includes a plurality of first metal pieces and first tabs; the first metal pieces are led out from the first end of the winding core and connected with the first tab, and the first tab is connected to the conductive piece.

Optionally, the first supporting plate is provided with a first avoiding groove for avoiding the first metal piece.

Optionally, the battery further includes a plurality of second metal pieces and second tabs; the second metal pieces are led out from the second end of the winding core and are connected with the second lugs, and the second lugs are connected to the second cover plate.

Optionally, the second supporting plate is provided with a second avoiding groove for avoiding the second metal piece.

According to a second aspect of the present utility model there is provided an electronic device comprising a battery as described in the first aspect.

In the battery provided by the embodiment of the utility model, the first supporting plate provided with the first protruding part and the second supporting plate provided with the second protruding part respectively support and clamp the winding core from the two ends of the winding core along the axial direction, so that the winding core is firmly fixed in the accommodating cavity of the shell, the problem of loosening of the winding core in the shell is avoided, and the fixing mode of the winding core and the assembly of the battery are simpler and easy to realize batch production.

Other features of the present utility model and its advantages will become apparent from the following detailed description of exemplary embodiments of the utility model, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model.

Fig. 1a is an exploded view of a battery according to an embodiment of the present utility model;

fig. 1b is a schematic diagram of an exploded structure of a battery according to an embodiment of the present utility model;

fig. 2a is a schematic cross-sectional structure of a battery according to an embodiment of the present utility model;

fig. 2b is a schematic diagram of a cross-sectional structure of a battery according to an embodiment of the present utility model;

fig. 3 is a schematic view of a second structure of a first support plate in a battery according to an embodiment of the present utility model;

fig. 4 is a schematic structural view of a second support plate in a battery according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a housing; 101. a first opening portion; 102. a second opening portion; 2. a winding core; 3. a first support plate; 300. a first avoidance groove; 30. a first boss; 31. a first exhaust through hole; 32. a second exhaust through hole; 4. a first cover plate; 5. a second support plate; 500. a second avoidance groove; 50. a second protruding portion; 51. a third exhaust through hole; 52. a fourth exhaust through hole; 6. a second cover plate; 61. explosion-proof holes; 62. a liquid injection hole; 7. a conductive member; 71. a conductive nail; 711. a conductive post; 712. a conductive sheet; 72. a conductive pressure plate; 8. a first metal piece; 9. a first tab; 91. a first tab; 92. a second tab; 10. a second metal piece; 11. a second lug; 12. a first insulating pad; 13. a second insulating pad; 14. a seal ring; 15. explosion-proof sheet; 16. and (5) a liquid injection cover plate.

Detailed Description

Various exemplary embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise.

The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses.

Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.

In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of exemplary embodiments may have different values.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

Referring to fig. 1-4, a battery is provided according to one embodiment of the present utility model. The battery comprises a shell 1, a winding core 2, a first supporting plate 3 and a first cover plate 4, wherein a containing cavity is arranged in the shell 1, the shell 1 is at least provided with a first opening part 101, and the first opening part 101 is communicated with the containing cavity; the winding core 2 is arranged in the accommodating cavity;

the first supporting plate 3 is provided with a first surface and a second surface which are arranged opposite to each other, and the first surface is abutted with the first end of the winding core 2; the second surface is convexly provided with a first protruding part 30; the first cover plate 4 is disposed on a side of the first support plate 3 away from the winding core 2, the first cover plate 4 is covered on the first opening 101, and the first cover plate 4 abuts against the first protruding portion 30; the first supporting plate 3 and the first cover plate 4 are arranged in an insulating way.

In the battery provided by the embodiment of the utility model, the winding core 2 is in a cylinder shape, and the shell 1 is in a cylinder shape; the housing 1 has a first opening 101 and a housing chamber communicating with the first opening 101; the winding core 2 is coaxially sleeved in the accommodating cavity of the shell 1.

In order to make the winding core 2 stably and reliably arranged in the accommodating cavity of the shell 1, a first supporting plate 3 is arranged corresponding to the first opening part 101, and the first supporting plate 3 is abutted with the first end of the winding core 2; the first cover plate 4 is arranged on the first opening 101 in a covering manner, and simultaneously, the first cover plate 4 is abutted against the first protruding part 30 protruding from the first supporting plate 3;

therefore, the first supporting plate 3 provided with the first protruding portion 30 can prop against and clamp the winding core 2, so that the winding core 2 is firmly fixed in the accommodating cavity of the shell 1, the problem that the winding core 2 is loose in the shell 1 cannot occur, and the fixing mode of the winding core 2 and the assembly of the battery are simple, and the mass production is easy to realize.

In addition, the battery of the embodiment of the utility model can play a role in positioning and supporting the winding core 2 by adopting the first supporting plate 3, so that a rolling groove is not required to be designed, and the working procedure is simplified. The depth of the rolling groove has the lowest standard, so that the effect can be achieved, and the height of the first supporting plate 3 is controllable, so that the battery space can be utilized more conveniently and better.

Referring to fig. 1 to 4, in one embodiment, the housing 1 further has a second opening 102, the first opening 101 is disposed opposite to the second opening 102, and the second opening 102 communicates with the accommodating cavity;

the battery further comprises a second supporting plate 5 and a second cover plate 6, wherein the second supporting plate 5 is provided with a third surface and a fourth surface which are arranged opposite to each other, and the third surface is abutted with the second end of the winding core 2; the fourth surface is convexly provided with a second protruding part 50; the second cover plate 6 is disposed on a side of the second support plate 5 away from the winding core 2, the second cover plate 6 is covered on the second opening 102, and the second cover plate 6 abuts against the second protruding portion 50.

In the battery provided by the embodiment of the utility model, the winding core 2 is in a cylinder shape, and the shell 1 is in a cylinder shape; the housing 1 has a first opening 101 and a second opening 102 distributed at both ends in the axial direction thereof, and a receiving chamber communicating with the first opening 101 and the second opening 102; the winding core 2 is coaxially sleeved in the accommodating cavity of the shell 1.

A second support plate 5 is provided corresponding to the second opening 102, and the second support plate 5 abuts against the second end of the winding core 2; and the second cover plate 6 is covered on the second opening 102, and simultaneously, the second cover plate 6 is abutted against the second protruding part 50 protruding on the second supporting plate 5.

From this, the first backup pad 3 that is provided with first bellying 30 and the second backup pad 5 that is provided with second bellying 50 support respectively from the both ends along axial direction of core 2 and hold tightly core 2, make core 2 fix firm in the holding chamber of casing 1, the problem that core 2 becomes flexible in casing 1 can not take place to the fixed mode of core 2 and the equipment of this battery are comparatively simple, easily realize batch production.

Referring to fig. 1 to 4, in one embodiment, the second surface of the first support plate 3 is provided with three first protrusions 30, and the three first protrusions 30 are spaced apart;

the fourth surface of the second support plate 5 is provided with three second protrusions 50, and the three second protrusions 50 are disposed at intervals.

In this particular example, three first protrusions 30 are spaced apart on the second surface of the first support plate 3, and three second protrusions 50 are spaced apart on the fourth surface of the second support plate 5, so as to provide a more reliable holding and fixing action for the winding core 2.

For example, the first support plate 3 and the second support plate 5 are substantially circular, and three first protrusions 30 are distributed at edge positions of the second surface of the first support plate 3 along the circumferential direction of the first support plate 3; three second protrusions 50 are distributed at edge positions of the fourth surface of the second support plate 5 in the circumferential direction of the second support plate 5.

Alternatively, the first boss 30 is integrally formed with the first support plate 3; the second boss 50 is integrally formed with the second support plate 5.

Referring to fig. 1 to 4, in one embodiment, the first support plate 3 is provided with a first exhaust through hole 31 penetrating the first surface and the second surface; the first boss 30 is provided with a second exhaust through hole 32 penetrating the first boss 30.

Referring to fig. 1 to 4, in one embodiment, the second support plate 5 is provided with a third exhaust through hole 51 penetrating the third surface and the fourth surface; the second boss 50 is provided with a fourth exhaust through hole 52 penetrating the second boss 50.

In this specific example, the arrangement of the first exhaust through hole 31, the second exhaust through hole 32, the third exhaust through hole 51, and the fourth exhaust through hole 52 can ensure that the winding core 2 performs the air release, thereby improving the use safety of the battery.

Referring to fig. 1-4, in one embodiment, the battery further includes a conductive member 7, wherein a part of the conductive member 7 is disposed in the accommodating cavity of the housing 1, and another part of the conductive member is exposed outside the accommodating cavity; the conductive piece 7 is arranged in an insulating manner with the first cover plate 4 and the first supporting plate 3;

the conductive element 7 is configured as a first pole of the battery and the second cover plate 6 is configured as a second pole of the battery.

For example, the first pole is negative and the second pole is positive; i.e. the conductive member 7 serves as the negative electrode of the battery and the second cover plate 6 serves as the positive electrode of the battery.

Referring to fig. 1-4, in one embodiment, the battery further comprises a plurality of first metal pieces 8 and first tabs 9; the plurality of first metal pieces 8 are led out from the first end of the winding core 2 and connected with the first tab 9, and the first tab 9 is connected to the conductive piece 7.

The battery also comprises a plurality of second metal pieces 10 and second lugs 11; a plurality of second metal pieces 10 are led out from the second end of the winding core 2 and connected with the second lugs 11, and the second lugs 11 are connected to the second cover plate 6.

In this particular example, the connection is made by extracting a plurality of first metal pieces 8 from a first end of the winding core 2 with a first tab 9, and a plurality of second metal pieces 10 from a second end of the winding core 2 with a second tab 11; this can improve the conductivity of the battery and make the battery more reliable in use.

Further, the conductive member 7 includes a conductive pin 71 and a conductive pressing plate 72, the conductive pin 71 includes a conductive post 711 and a conductive sheet 712, the conductive sheet 712 is disposed in the accommodating cavity of the housing 1, the conductive sheet 712 is connected with one end of the conductive post 711, and the other end of the conductive post 711 extends out of the accommodating cavity and is riveted with the conductive pressing plate 72.

Referring to fig. 1a and 2a, the first tab 9 may have a bent structure, that is, the first tab 9 is bent to form a first tab 91 and a second tab 92 opposite to each other and disposed at intervals, where the plurality of first metal pieces 8 are connected together and connected to one end of the first tab 91; the conductive sheet 712 is sandwiched between the first tab 91 and the second tab 92; referring to fig. 1b and 2b, the first tab 9 may have a non-bent structure.

In addition, a first insulating pad 12 is disposed between the second tab 92 and the first cover plate 4, and the first protrusion 30 abuts against the first insulating pad 12; a second insulating pad 13 is provided between the first cover plate 4 and the conductive pressure plate 72; the second tab 92, the first insulating pad 12, the first cover plate 4, the second insulating pad 13 and the conductive pressing plate 72 are all provided with through holes, and the other end of the conductive post 711 passes through the through holes provided on the second tab 92, the first insulating pad 12, the first cover plate 4, the second insulating pad 13 and the conductive pressing plate 72 and is riveted with the conductive pressing plate 72.

A sealing ring 14 is further sleeved on the conductive post 711, and the sealing ring 14 is positioned in the through hole of the first cover plate 4.

Referring to fig. 1-4, in one embodiment, the first support plate 3 is provided with a first avoiding groove 300 for avoiding the first metal part 8.

In this specific example, the first avoiding groove 300 is provided to facilitate the first metal member 8 to extend from the winding core 2, and meanwhile, a space is formed between the first support plate 3 and the first cover plate 4, and the space can accommodate the first metal member 8 and the first tab 9, so that the internal space of the battery after welding is reasonably used.

In one embodiment, the second support plate 5 is provided with a second avoidance groove 500 for avoiding the second metal piece 10.

In this specific example, the second avoidance groove 500 may facilitate the second metal member 10 to extend from the winding core 2, and at the same time, a space is formed between the second support plate 5 and the second cover plate 6, and the space may accommodate the second metal member 10 and the second tab 11, so that the internal space of the battery after welding is reasonably used.

Further, the second cover plate 6 is provided with a burst hole 61 and a liquid injection hole 62, the burst hole 61 is provided with a burst disk 15, and the liquid injection hole 62 is sealed by the liquid injection cover plate 16.

According to another embodiment of the present utility model, there is provided an electronic device including a battery as described above.

The foregoing embodiments mainly describe differences between the embodiments, and as long as there is no contradiction between different optimization features of the embodiments, the embodiments may be combined to form a better embodiment, and in consideration of brevity of line text, no further description is given here.

While certain specific embodiments of the utility model have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the utility model. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.

Claims (12)

1. A battery, the battery comprising:

the device comprises a shell (1), wherein a containing cavity is arranged in the shell (1), the shell (1) is provided with at least a first opening part (101), and the first opening part (101) is communicated with the containing cavity;

the winding core (2) is arranged in the accommodating cavity;

a first support plate (3), wherein the first support plate (3) is provided with a first surface and a second surface which are arranged oppositely, and the first surface is abutted with the first end of the winding core (2); the second surface is convexly provided with a first protruding part (30);

the first cover plate (4) is arranged on one side, far away from the winding core (2), of the first supporting plate (3), the first opening (101) is covered by the first cover plate (4), and the first cover plate (4) is abutted with the first protruding part (30); the first supporting plate (3) and the first cover plate (4) are arranged in an insulating mode.

2. The battery according to claim 1, characterized in that the second surface of the first support plate (3) is provided with three first protrusions (30), and the three first protrusions (30) are arranged at intervals.

3. The battery according to claim 1, characterized in that the first support plate (3) is provided with a first exhaust through hole (31) penetrating the first surface and the second surface; the first bulge (30) is provided with a second exhaust through hole (32) penetrating through the first bulge (30).

4. The battery according to claim 1, wherein the case (1) further has a second opening portion (102), the first opening portion (101) being provided opposite to the second opening portion (102), the second opening portion (102) being in communication with the accommodation chamber;

the battery further comprises a second supporting plate (5) and a second cover plate (6), wherein the second supporting plate (5) is provided with a third surface and a fourth surface which are arranged opposite to each other, and the third surface is abutted with the second end of the winding core (2); the fourth surface is convexly provided with a second protruding part (50);

the second cover plate (6) is arranged on one side, far away from the winding core (2), of the second supporting plate (5), the second opening (102) is formed by covering the second cover plate (6), and the second cover plate (6) is abutted to the second protruding portion (50).

5. The battery according to claim 4, characterized in that the fourth surface of the second support plate (5) is provided with three of the second protrusions (50), and the three second protrusions (50) are arranged at intervals.

6. The battery according to claim 4, characterized in that the second support plate (5) is provided with a third exhaust through hole (51) penetrating the third surface and the fourth surface; the second protruding portion (50) is provided with a fourth exhaust through hole (52) penetrating through the second protruding portion (50).

7. The battery according to claim 4, characterized in that it further comprises an electrically conductive member (7), a part of the structure of the electrically conductive member (7) being arranged inside the housing cavity of the housing (1) and another part of the structure being exposed outside the housing cavity; the conductive piece (7) is arranged in an insulating manner with the first cover plate (4) and the first support plate (3);

the conductive element (7) is configured as a first pole of the battery, and the second cover plate (6) is configured as a second pole of the battery.

8. The battery according to claim 7, characterized in that it further comprises a plurality of first metal pieces (8) and first tabs (9); the plurality of first metal pieces (8) are led out from the first end of the winding core (2) and are connected with the first tab (9), and the first tab (9) is connected to the conductive piece (7).

9. The battery according to claim 8, characterized in that the first support plate (3) is provided with a first avoidance groove (300) for avoiding the first metal piece (8).

10. The battery according to claim 7, further comprising a plurality of second metal pieces (10) and second tabs (11); a plurality of second metal pieces (10) are led out from the second end of the winding core (2) and are connected with the second lugs (11), and the second lugs (11) are connected to the second cover plate (6).

11. The battery according to claim 10, characterized in that the second support plate (5) is provided with a second avoidance groove (500) for avoiding the second metal piece (10).

12. An electronic device, characterized in that it comprises a battery according to any one of claims 1-11.