Shell assembly, battery and electronic equipment

Abstract

The utility model discloses a shell assembly, a battery and electronic equipment. The shell assembly comprises a first shell, an insulating ring and a second shell, the first shell is internally provided with an accommodating space, and the first shell is provided with a first sealing surface arranged back to the accommodating space; the first shell and the insulating ring are connected in a sealing manner to form an integrated structure; the insulating ring is provided with a second sealing surface, the insulating ring is arranged outside the first shell in a sleeving manner, and the first sealing surface is connected with the second sealing surface in an attached manner; and the second shell is arranged outside the insulating ring in a sleeving manner. According to the shell assembly provided by the embodiment of the invention, the first shell and the insulating ring are in sealed connection and form the integrated structure, so that the connection between the first shell and the insulating ring is tight and firm. Moreover, in the manufacturing process of the shell assembly, the first shell and the insulating ring are connected in a sealed mode and form an integrated structure, the integrated structure is integrally assembled with the second shell, and the assembling process is easier to operate.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of energy storage devices, and more particularly to a shell assembly, a battery and an electronic device. BACKGROUND

[0002] In recent years, with the development of science and technology, various electronic products have entered millions of households and become necessities of life. As the power source of electronic products, the performance of batteries in all aspects is one of the important indicators for measuring the quality of electronic products.

[0003] A button cell is a commonly used battery, which is also called a button battery, referring to a battery with a size like a small button; generally, it has a large diameter and a small thickness. Due to its small size, the battery is widely used in various miniature electronic products; for example, it is often used in wearable electronic devices such as wireless earphones, sports watches, smart bracelets, and smart rings.

[0004] The button cell in the prior art still has room for improvement in structure; for example, the shell structure in the battery has low reliability, and the assembly process of the shell is complex.

[0005] Therefore, it is necessary to propose a new technical solution to solve the above technical problems. CONTENT OF THE INVENTION

[0006] An object of the present application is to provide a new technical solution for a shell assembly, a battery and an electronic device.

[0007] According to a first aspect of the present application, a shell assembly is provided, comprising:

[0008] a first shell having an accommodation space inside, the first shell having a first sealing surface arranged away from the accommodation space;

[0009] an insulating ring, the first shell being sealingly connected with the insulating ring and forming an integrated structure; the insulating ring has a second sealing surface, the insulating ring being sleeved outside the first shell, and the first sealing surface and the second sealing surface being connected in abutment;

[0010] a second shell, the second shell being sleeved outside the insulating ring.

[0011] Optionally, the first shell and the insulating ring are adhesively connected; or the first shell and the insulating ring are integrally injection molded.

[0012] Optionally, the first shell has a first opening portion and a first shell bottom arranged oppositely, and the first shell abuts against the insulating ring at the first opening portion.

[0013] Optionally, the insulation ring has an annular flange arranged towards the inner side thereof, and the first shell abuts against the annular flange at the first opening portion.

[0014] Optionally, the first sealing surface is provided with a first curved structure, and the second sealing surface is provided with a second curved structure, and the first curved structure is matchedly connected with the second curved structure.

[0015] Optionally, compared with the first opening portion, the first curved structure and the second curved structure are matchedly connected at a position closer to the first shell bottom.

[0016] Optionally, a gap portion is arranged between the second shell and the insulation ring.

[0017] Optionally, the second shell has a second opening portion, and the insulation ring has a matching surface arranged opposite to the second sealing surface; the gap portion is arranged between the matching surface and the second shell, and the gap portion is arranged close to the second opening portion.

[0018] According to a second aspect of the present application, a battery is provided, which comprises the shell assembly according to the first aspect, further comprises a winding core, and a first tab and a second tab led out by the winding core.

[0019] The first shell and the second shell enclose a receiving cavity, and the winding core, the first tab and the second tab are arranged in the receiving cavity; the first tab is connected with the first shell, and the second tab is connected with the second shell.

[0020] According to a third aspect of the present application, an electronic device is provided, which comprises the battery according to the second aspect.

[0021] In the shell assembly provided in the embodiments of the present application, the first shell and the insulation ring are sealingly connected and constitute an integrated structure, so that the first shell and the insulation ring are tightly and firmly connected. In the process of manufacturing the shell assembly, the first shell and the insulation ring are sealingly connected and constitute an integrated structure, and the integrated structure is assembled with the second shell as a whole, so that the assembly process is easier to operate.

[0022] Other features and advantages of the present application will become apparent from the following detailed description of exemplary embodiments of the present application with reference to the following drawings. BRIEF DESCRIPTION OF DRAWINGS

[0023] The accompanying drawings incorporated in and forming a part of the specification illustrate embodiments of the present application and, together with the description, serve to explain the principles of the present application.

[0024] Fig. lais a sectional structural schematic view of a housing assembly according to an embodiment of the present application;

[0025] Fig. lb is an exploded structural schematic view of a housing assembly according to an embodiment of the present application;

[0026] Fig. 2a is a sectional structural schematic view of a battery according to an embodiment of the present application;

[0027] Fig. 2b is a perspective structural schematic view of a battery according to an embodiment of the present application.

[0028] BRIEF DESCRIPTION OF DRAWINGS

[0029] 1. housing assembly; 10. insulating ring; 101. second sealing surface; 1011. second curved structure; 102. annular flange; 103. mating surface; 11. first housing; 110. accommodation space; 111. first sealing surface; 1111. first curved structure; 112. first housing bottom; 12. second housing; 121. second housing bottom; 2. jelly-roll; 31. first tab; 32. second tab. DETAILED DESCRIPTION

[0030] Various exemplary embodiments of the present application 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 set forth in the examples, the numerical expressions, and the numerical values are not limiting to the scope of the present application unless otherwise specifically stated.

[0031] The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the scope of the application its application or uses.

[0032] Techniques, methods, and devices known to those of ordinary skill in the relevant art can not be discussed in detail herein. However, the techniques, methods, and devices are sufficiently described herein such that artisans of ordinary skill in the art are able to construct them.

[0033] In all of the examples shown and discussed herein, any specific values should be interpreted as merely exemplary and not as a limitation. Thus, other examples of the exemplary embodiments can have different values.

[0034] It should be noted that like numbers and letters refer to like items throughout the following drawings, and that, as such, no further discussion of the same will be made.

[0035] SUMMARY Fig. la-Fig. lbAs shown, according to one embodiment of the present application, a housing assembly 1 is provided, which comprises a first shell 11, an insulation ring 10 and a second shell 12, the first shell 11 has a containing space 110 inside, the first shell 11 has a first sealing surface 111 arranged away from the containing space 110;

[0036] The first shell 11 is sealingly connected with the insulation ring 10 and forms an integrated structure; the insulation ring 10 has a second sealing surface 101, the insulation ring 10 is sleeved outside the first shell 11, the first sealing surface 111 is connected with the second sealing surface 101 in a sealing manner; the second shell 12 is sleeved outside the insulation ring 10.

[0037] In the housing assembly 1 provided by the embodiment of the present application, the first shell 11 is sealingly connected with the insulation ring 10 and forms an integrated structure, specifically, the first sealing surface 111 of the first shell 11 and the second sealing surface 101 of the insulation ring 10 are sealingly connected; in this way, the connection between the first shell 11 and the insulation ring 10 is tight and firm. Moreover, in the process of manufacturing the housing assembly 1, the first shell 11 is sealingly connected with the insulation ring 10 and forms an integrated structure, and the integrated structure is assembled with the second shell 12 as a whole, so that the assembly process is easier to operate.

[0038] Referring to Fig. la-Fig. lb As shown, in one embodiment, the first shell 11 is adhesively connected with the insulation ring 10; or, the first shell 11 and the insulation ring 10 are integrally injection molded.

[0039] In this specific example, the first shell 11 and the insulation ring 10 are connected by adhesion, which is relatively simple to operate; or, the first shell 11 and the insulation ring 10 are integrally injection molded, for example, by using nano injection molding technology, so that the connection between the first shell 11 and the insulation ring 10 is more tight and reliable.

[0040] Referring to Fig. la-Fig. lb As shown, in one embodiment, the first shell 11 has a first opening portion and a first shell bottom 112 arranged oppositely, and the first shell 11 abuts against the insulation ring 10 at the first opening portion.

[0041] In this specific example, the first opening portion of the first shell 11 abuts against the insulation ring 10, so that the connection between the first shell 11 and the insulation ring 10 is more reliable.

[0042] Specifically, referring to Fig. la-Fig. lb As shown, in one embodiment, the insulation ring 10 has a ring-shaped flange 102 arranged towards the inner side thereof, and the first shell 11 abuts against the ring-shaped flange 102 at the first opening portion.

[0043] In this specific example, the first opening portion of the first shell 11 specifically abuts at the annular flange 102 of the insulating ring 10, and the annular flange 102 plays a certain supporting and positioning role for the first shell 11, so that the connection between the first shell 11 and the insulating ring 10 is more reliable.

[0044] Referring to Fig. la-Fig. lb In one embodiment, the first sealing surface 111 is provided with a first curved structure 1111, and the second sealing surface 101 is provided with a second curved structure 1011, and the first curved structure 1111 is matched and connected with the second curved structure 1011.

[0045] In this specific example, the first curved structure 1111 of the first sealing surface 111 and the second curved structure 1011 of the second sealing surface 101 form a mutual clamping effect to a certain extent, which can prevent the first shell 11 and the insulating ring 10 from being loose and moving relative to each other, so that the connection between the first shell 11 and the insulating ring 10 is more reliable.

[0046] Referring to Fig. la-Fig. lb In one embodiment, compared with the first opening portion, the position where the first curved structure 1111 is matched and connected with the second curved structure 1011 is closer to the first shell bottom 112.

[0047] In this specific example, at the first opening of the first shell 11, the first shell 11 abuts at the annular flange 102 of the insulating ring 10; and at the first shell bottom 112 close to the first shell 11, the first curved structure 1111 is matched and connected with the second curved structure 1011; so that the first shell 11 is connected with the insulating ring 10 in a reliable manner at both ends in the height direction of the first shell 11.

[0048] Referring to Fig. la-Fig. lb In one embodiment, a gap portion is arranged between the second shell 12 and the insulating ring 10.

[0049] In this specific example, a gap portion is arranged between the second shell 12 and the insulating ring 10, so as to ensure that the integrated structure composed of the first shell 11 and the insulating ring 10 and the second shell 12 can be smoothly assembled.

[0050] Referring to Fig. la-Fig. lb In one embodiment, the second shell 12 has a second opening portion, the insulating ring 10 has a matching surface 103, the matching surface 103 is arranged opposite to the second sealing surface 101; the gap portion is arranged between the matching surface 103 and the second shell 12, and the gap portion is arranged close to the second opening portion.

[0051] In the specific example, the second shell 12 has a second opening portion and a second shell bottom 121 arranged opposite along the height direction thereof; the second shell 12 abuts against the insulation ring 10 at the second opening portion; and the second shell 12 is connected to the insulation ring 10 in a position close to the second shell bottom 121, while the gap portion is arranged close to the second opening portion; so as to ensure the smoothness of assembly while ensuring the reliability of the connection between the second shell 12 and the insulation ring 10.

[0052] Referring to Fig. la-Fig. lb , Fig. 2a Fig. 2b According to another embodiment of the present application, a battery is provided, which comprises the shell assembly 1 as described above, further comprises a winding core 2, and a first tab 31 and a second tab 32 led out by the winding core 2.

[0053] The first shell 11 and the second shell 12 enclose a receiving cavity, the winding core 2, the first tab 31 and the second tab 32 are arranged in the receiving cavity; the first tab 31 is connected to the first shell 11, and the second tab 32 is connected to the second shell 12.

[0054] The battery provided by the embodiments of the present application has better sealing performance due to the shell assembly 1, so that the stability and safety of the battery are higher, and the assembly process is simpler.

[0055] According to another embodiment of the present application, an electronic device is provided, which comprises the battery as described above.

[0056] In the above embodiments, the differences between the embodiments are mainly described, and the optimization features different between the embodiments can be combined to form a more optimal embodiment as long as they are not contradictory. In view of the brevity of the writing, the above will not be repeated here.

[0057] Although some specific embodiments of the present application have been described in detail by examples, those skilled in the art should understand that the above examples are only for illustration, but not for limiting the scope of the present application. Those skilled in the art should understand that the above embodiments can be modified without departing from the scope and spirit of the present application. The scope of the present application is defined by the appended claims.

Claims

1. A housing assembly, characterized by The shell assembly comprises: a first shell (11) having a containing space (110) inside, the first shell (11) having a first sealing surface (111) arranged away from the containing space (110); an insulation ring (10) sealingly connected with the first shell (11) and forming an integrated structure, the insulation ring (10) having a second sealing surface (101), the insulation ring (10) being sleeved outside the first shell (11), and the first sealing surface (111) being connected with the second sealing surface (101) in a fit manner; a second shell (12) sleeved outside the insulation ring (10).

2. The housing assembly of claim 1, wherein, The first shell (11) is adhesively connected with the insulation ring (10), or the first shell (11) is integrally injection molded with the insulation ring (10).

3. The housing assembly of claim 1, wherein, The first shell (11) has a first opening portion and a first shell bottom (112) arranged oppositely, and the first shell (11) abuts against the insulation ring (10) at the first opening portion.

4. The housing assembly of claim 3, wherein, The insulation ring (10) has a ring-shaped flange (102) arranged towards the inner side thereof, and the first shell (11) abuts against the ring-shaped flange (102) at the first opening portion.

5. The housing assembly of claim 3, wherein, The first sealing surface (111) is provided with a first curved structure (1111), and the second sealing surface (101) is provided with a second curved structure (1011), and the first curved structure (1111) is connected with the second curved structure (1011) in a matching manner.

6. The housing assembly of claim 5, wherein, Compared with the first opening portion, the first curved structure (1111) and the second curved structure (1011) are arranged closer to the first shell bottom (112) at the position where they are connected in a matching manner.

7. The housing assembly of claim 1, wherein, A gap portion is arranged between the second shell (12) and the insulation ring (10).

8. The housing assembly of claim 7, wherein, The second shell (12) has a second opening portion, the insulation ring (10) has a matching surface (103) arranged away from the second sealing surface (101), and the gap portion is arranged between the matching surface (103) and the second shell (12) and is arranged close to the second opening portion.

9. A battery, characterized by The battery comprises the shell assembly (1) according to any one of claims 1-8, further comprises a winding core (2), and a first tab (31) and a second tab (32) led out from the winding core (2); The first shell (11) and the second shell (12) enclose a containing cavity, the winding core (2), the first tab (31) and the second tab (32) are arranged in the containing cavity, the first tab (31) is connected with the first shell (11), and the second tab (32) is connected with the second shell (12).

10. An electronic device, comprising: The electronic device comprises the battery according to claim 9.

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