CN214043936U - Shell for button cell and button cell - Google Patents
Shell for button cell and button cell Download PDFInfo
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- CN214043936U CN214043936U CN202023020871.XU CN202023020871U CN214043936U CN 214043936 U CN214043936 U CN 214043936U CN 202023020871 U CN202023020871 U CN 202023020871U CN 214043936 U CN214043936 U CN 214043936U
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- connecting wall
- wall
- button cell
- casing
- upper cover
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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
Abstract
The utility model discloses a shell for a button cell and the button cell, the shell for the button cell comprises an upper cover, a bottom shell, a sealing element and an insulating element, the upper cover is provided with a first connecting wall; the bottom shell is provided with a second connecting wall which is matched with the first connecting wall so that the bottom shell and the upper cover form an accommodating cavity; the sealing element is annularly arranged and arranged between the first connecting wall and the second connecting wall; the insulating member abuts against the end portion of the second connecting wall, and the insulating member also abuts against the first connecting wall so that the second connecting wall and the first connecting wall are insulated. The first connecting wall and the second connecting wall are matched to form an accommodating cavity so as to install the electric core assembly; the sealing element is arranged to ensure the sealing property of the accommodating cavity and the insulation property between the first connecting wall and the second connecting wall; the setting of insulating part makes contactless or conflict between the tip of second connecting wall and the wall of first connecting wall all the time to avoid the short circuit problem that the contact leads to, guaranteed button cell's safe in utilization.
Description
Technical Field
The utility model relates to a battery encapsulation technical field especially relates to a casing and button cell for button cell.
Background
Button cells, also commonly referred to as Button cells, refer to a type of battery that resembles a Button in shape. Button cells are typically larger in diameter and thinner in thickness than cylindrical cells. Button cell includes the casing and locates the electric core subassembly in the casing, and the casing includes drain pan and upper cover, and drain pan and upper cover cooperation form and hold the chamber, and the electric core subassembly is installed and is being held the intracavity, still is equipped with the sealing washer between drain pan and the upper cover to prevent to hold the liquid leakage of intracavity.
However, in the process of packaging the button cell, the edge of the bottom case and the edge of the upper cover are both located on the same side, so that the possibility of mutual contact exists, the problem of short circuit is easily caused, and great potential safety hazards are brought by the use of the button cell.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is necessary to provide a casing for a button cell and a button cell; according to the shell for the button battery, the first connecting wall and the second connecting wall cannot be contacted and always keep insulated through the arrangement of the insulating piece, so that the problem of short circuit caused by possible contact is solved, and the use safety of the button battery is ensured; the button battery adopts the shell for the button battery, and the first connecting wall and the second connecting wall are always insulated, so that the use safety of the button battery is ensured.
The technical scheme is as follows:
one embodiment provides a case for a button cell, comprising:
the upper cover is provided with a first connecting wall which is annularly arranged;
the bottom shell is provided with a second connecting wall which is annularly arranged, and the second connecting wall is matched with the first connecting wall to enable the bottom shell and the upper cover to form an accommodating cavity;
the sealing element is arranged in a ring shape and is arranged between the first connecting wall and the second connecting wall; and
the insulating part is annularly arranged, the insulating part is abutted to the end part of the second connecting wall, and the insulating part is also abutted to the first connecting wall, so that the second connecting wall is insulated from the first connecting wall.
In the shell for the button battery, the upper cover and the bottom shell form an accommodating cavity through the matching of the first connecting wall and the second connecting wall so as to install the electric core assembly; a sealing element is arranged between the first connecting wall and the second connecting wall, so that the sealing property of the accommodating cavity and the insulating property between the first connecting wall and the second connecting wall are ensured; the setting of insulating part makes contactless or conflict between the tip of second connecting wall and the wall of first connecting wall all the time to avoid the short circuit problem that the contact leads to, guaranteed button cell's safe in utilization.
The technical solution is further explained below:
in one embodiment, the insulating member is an insulating adhesive, and the insulating adhesive is coated along an end surface of the second connecting wall, an end surface of the sealing member, and a wall surface of the first connecting wall.
In one embodiment, the upper cover includes a first bottom wall, the first connecting wall is connected to an outer edge of the first bottom wall, the first bottom wall is disposed to protrude from the first connecting wall, and the first bottom wall is disposed to protrude toward a side of the first connecting wall away from the bottom shell.
In one embodiment, the bottom case includes a second bottom wall and a second side wall, the second side wall is annularly disposed, one end of the second side wall is connected to the second bottom wall, and the other end of the second side wall is connected to the second connecting wall.
In one embodiment, the second connecting wall is bent to form an annular groove, a notch of the annular groove is arranged towards the inner side of the bottom shell, the annular groove corresponds to the outer edge of the first connecting wall, the outer edge of the first connecting wall is located in the annular groove, one side of the sealing element is abutted with the first connecting wall, and the other side of the sealing element is abutted with the second connecting wall.
In one embodiment, the second connecting wall includes a flared portion, an extending portion, and an edge portion, the flared portion, the extending portion, and the edge portion are all annularly disposed, the flared portion is connected to the other end of the second side wall, and the extending portion is located between the flared portion and the edge portion and forms the annular groove.
In one embodiment, one end of the outward expansion part is connected with the other end of the second side wall, and the other end of the outward expansion part extends towards the outer ring direction of the bottom shell; one end of the extending part is connected with the other end of the outward expanding part, and the other end of the extending part extends towards one side, away from the second bottom wall, of the outward expanding part; one end of the edge part is connected with the other end of the extending part, and the other end of the edge part extends towards the inner side of the bottom shell.
In one embodiment, the sealing member has a first loop end and a second loop end, the first loop end and the second loop end are respectively located at two opposite sides of the first connecting wall, the first loop end is located at one side of the first connecting wall far away from the bottom shell, and the second loop end is arranged in a manner of protruding an end portion of the second connecting wall.
In one embodiment, the seal is a rubber ring; the drain pan with the upper cover all is circular setting.
Another embodiment provides a button cell, including:
an electrical core assembly; and
according to the shell for the button cell, the electric core assembly is arranged in the accommodating cavity.
According to the button battery, the shell for the button battery is adopted, the upper cover and the bottom shell form an accommodating cavity through the matching of the first connecting wall and the second connecting wall, and the electric core assembly is arranged in the accommodating cavity; a sealing element is arranged between the first connecting wall and the second connecting wall, so that the sealing property of the accommodating cavity and the insulating property between the first connecting wall and the second connecting wall are ensured; the setting of insulating part makes contactless or conflict between the tip of second connecting wall and the wall of first connecting wall all the time to avoid the short circuit problem that the contact leads to, guaranteed button cell's safe in utilization.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Furthermore, the drawings are not drawn to a 1:1 scale, and the relative sizes of the various elements in the drawings are drawn only by way of example, and not necessarily to true scale.
FIG. 1 is a sectional view showing the overall structure of a button cell in one embodiment;
FIG. 2 is an enlarged view of a portion of the structure A in the embodiment of FIG. 1;
fig. 3 is a sectional view of a housing for a button cell in the embodiment of fig. 1.
Reference is made to the accompanying drawings in which:
100. an upper cover; 110. a first bottom wall; 120. a first connecting wall; 200. a bottom case; 210. a second bottom wall; 220. a second side wall; 230. a second connecting wall; 231. an outward expansion part; 232. an extension portion; 233. an edge portion; 300. a seal member; 310. a first loop end; 320. a second loop end; 400. an insulating member; 500. an accommodating chamber; 600. electric core subassembly.
Detailed Description
The embodiments of the present invention will be described in detail below with reference to the accompanying drawings:
in order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
Referring to fig. 1 to 3, one embodiment provides a housing for a button cell, including an upper cover 100, a bottom case 200, a sealing member 300, and an insulating member 400. Wherein:
as shown in fig. 3, the upper cover 100 has a first connecting wall 120, and the first connecting wall 120 is annularly disposed.
As shown in fig. 3, the bottom case 200 has a second connecting wall 230, the second connecting wall 230 is annularly disposed, and the second connecting wall 230 cooperates with the first connecting wall 120 to form a receiving cavity 500 between the bottom case 200 and the upper cover 100.
As shown in fig. 2 and 3, the sealing member 300 is disposed in a ring shape, and the sealing member 300 is disposed between the first connecting wall 120 and the second connecting wall 230.
As shown in fig. 2 and 3, the insulating member 400 is annularly disposed, the insulating member 400 abuts against an end of the second connecting wall 230, and the insulating member 400 also abuts against the first connecting wall 120 to insulate the second connecting wall 230 from the first connecting wall 120.
In the embodiment shown in fig. 2, the side of the insulating member 400 is abutted against and matched with the end of the second connecting wall 230, the side of the insulating member 400 is also abutted against the wall surface of the first connecting wall 120, and meanwhile, the side of the insulating member 400 is also abutted against the end of the sealing member 300, which is equivalent to insulating and packaging the end of the second connecting wall 230, the end of the sealing member 300 and the wall surface of the first connecting wall 120, so as to avoid the contact between the first connecting wall 120 and the second connecting wall 230 in the installation and subsequent use processes, and also avoid the short circuit problem caused by the contact.
In the case for a button battery, the upper cover 100 and the bottom case 200 form an accommodating cavity 500 through the cooperation of the first connecting wall 120 and the second connecting wall 230 to mount the electric core assembly 600; a sealing member 300 is arranged between the first connecting wall 120 and the second connecting wall 230 to ensure the sealing property of the accommodating cavity 500 and the insulation property between the first connecting wall 120 and the second connecting wall 230; the insulating piece 400 is arranged so that the end of the second connecting wall 230 is not contacted or collided with the wall surface of the first connecting wall 120 all the time, thereby avoiding the problem of short circuit caused by contact and ensuring the use safety of the button cell.
In the embodiment shown in fig. 3, the first connecting wall 120 of the upper cover 100 and the second connecting wall 230 of the bottom case 200 are in abutting engagement by the sealing member 300, and form a closed receiving cavity 500, and the receiving cavity 500 is used for mounting the electric core assembly 600. Since the upper cover 100 and the bottom case 200 are respectively one of a positive electrode and a negative electrode, the upper cover 100 and the bottom case 200 cannot be electrically conducted, and therefore, in the installation process, the sealing member 300 is usually disposed between the upper cover 100 and the bottom case 200, so that on one hand, the connection between the upper cover 100 and the bottom case 200 is seamless, and the sealing property is ensured, and on the other hand, the sealing member 300 needs to be made of an insulating material, so that the upper cover 100 and the bottom case 200 cannot be electrically conducted, and the normal operation is ensured.
In the embodiment shown in fig. 2 and 3, after installation, the end of the second connecting wall 230 is closer to the wall of the first connecting wall 120, and during installation and use, it is easy to contact across the sealing member 300, and thus the upper cover 100 where the first connecting wall 120 is located and the bottom case 200 where the second connecting wall 230 is located are conducted with each other, resulting in short circuit. Therefore, the insulating member 400 is arranged, and the insulating member 400 is sealed between the end of the second connecting wall 230 and the wall surface of the first connecting wall 120, so that any possibility of contact between the end of the second connecting wall 230 and the first connecting wall 120 is eliminated, and the use safety of the button battery is ensured.
In one embodiment, referring to fig. 2 and 3, the insulating member 400 is an insulating glue coated along the end surface of the second connecting wall 230, the end surface of the sealing member 300, and the wall surface of the first connecting wall 120.
In the embodiment shown in fig. 2, after the insulating adhesive is applied, the end surface of the second connecting wall 230, the end surface of the sealing member 300, and the wall surface of the first connecting wall 120 are all covered by the insulating adhesive, so that the wall surface of the first connecting wall 120 and the end portion of the second connecting wall 230 are difficult to contact with each other, and thus, the bottom case 200 and the upper cover 100 are ensured not to contact with each other, and the use safety of the button cell is ensured.
In one embodiment, referring to fig. 1 and 3, the upper cover 100 includes a first bottom wall 110, the first connecting wall 120 is connected to an outer edge of the first bottom wall 110, the first bottom wall 110 is disposed to protrude from the first connecting wall 120, and the first bottom wall 110 is disposed to protrude toward a side of the first connecting wall 120 away from the bottom case 200.
As shown in fig. 3, the upper cover 100 includes a first bottom wall 110 and a first connecting wall 120 disposed at an outer edge of the first bottom wall 110, the first connecting wall 120 is disposed horizontally to cooperate with a second connecting wall 230 of the bottom case 200, and the first bottom wall 110 is disposed to protrude upward.
In one embodiment, referring to fig. 1 and 3, the bottom case 200 includes a second bottom wall 210 and a second side wall 220, the second side wall 220 is disposed in a ring shape, one end of the second side wall 220 is connected to the second bottom wall 210, and the other end of the second side wall 220 is connected to the second connecting wall 230.
In the embodiment shown in fig. 3, the lower end of the second sidewall 220 is connected to the outer edge of the second bottom wall 210, the second sidewall 220 is located above the second bottom wall 210, and the upper end of the second sidewall 220 is connected to the second connecting wall 230, and the accommodating cavity 500 is formed by the cooperation of the second connecting wall 230 and the first connecting wall 120.
In one embodiment, referring to fig. 2 and 3, the second connecting wall 230 is bent to form an annular groove, a notch of the annular groove is disposed toward the inner side of the bottom case 200, the annular groove corresponds to an outer edge of the first connecting wall 120, the outer edge of the first connecting wall 120 is located in the annular groove, one side of the sealing member 300 abuts against the first connecting wall 120, and the other side of the sealing member 300 abuts against the second connecting wall 230.
In the embodiment shown in fig. 2, the second connecting wall 230 is bent to form an annular groove, the notch of the annular groove is disposed toward the inner side of the bottom case 200, and the annular groove corresponds to the first connecting wall 120 of the upper cover 100, so that the outer edge of the first connecting wall 120 is substantially wrapped in the annular groove, both sides of the sealing member 300 are respectively abutted against the first connecting wall 120 and the second connecting wall 230, and the sealing member 300 is also bent in the annular groove, so that the outer edge of the first connecting wall 120 is clamped, and thus the sealing installation is realized.
In one embodiment, referring to fig. 2 and 3, the second connecting wall 230 includes a flared portion 231, an extending portion 232, and an edge portion 233, the flared portion 231, the extending portion 232, and the edge portion 233 are all annularly disposed, the flared portion 231 is connected to the other end of the second sidewall 220, and the extending portion 232 is located between the flared portion 231 and the edge portion 233 and forms the annular groove.
In the embodiment shown in fig. 2, the flaring 231, the extension 232 and the rim portion 233 cooperate to provide a three-sided enclosure, thereby forming an annular groove for clamping the outer edge of the first connecting wall 120 by the seal 300 for a sealed installation.
In one embodiment, referring to fig. 2 and 3, one end of the outward-expanding portion 231 is connected to the other end of the second sidewall 220, and the other end of the outward-expanding portion 231 extends toward the outer ring direction of the bottom case 200; one end of the extending portion 232 is connected to the other end of the flaring portion 231, and the other end of the extending portion 232 extends toward one side of the flaring portion 231 away from the second bottom wall 210; one end of the rim 233 is connected to the other end of the extension 232, and the other end of the rim 233 extends toward the inside of the bottom case 200.
In the embodiment shown in fig. 2, the flaring portion 231 extends horizontally toward the outside of the bottom case 200, the extending portion 232 extends toward the upper side, the rim portion 233 extends toward the middle of the bottom case 200 or the rim portion 233 extends toward the middle of the upper cover 100, thereby forming an annular groove for cooperating with the sealing member 300 and the first connecting wall 120.
In one embodiment, referring to fig. 2, the sealing member 300 has a first loop end 310 and a second loop end 320, the first loop end 310 and the second loop end 320 are respectively located at two opposite sides of the first connecting wall 120, the first loop end 310 is located at a side of the first connecting wall 120 away from the bottom case 200, and the second loop end 320 is arranged to protrude out of an end of the second connecting wall 230.
In the embodiment shown in fig. 2, the sealing member 300 is formed into a bent ring structure by the shaping of the annular groove, the outer annular surface of the sealing member 300 is corresponding to and abuts against the inner groove wall of the annular groove, and the inner annular surface of the sealing member 300 is used for clamping the outer edge of the first connecting wall 120.
In the embodiment shown in fig. 2, the sealing member 300 has a first annular end 310 at the upper end of the first connection wall 120 and a second annular end 320 at the lower end of the first connection wall 120 due to the function of the annular groove, and the first annular end 310 is sealed by the insulating member 400. In the embodiment shown in fig. 2, the end surface of the second connecting wall 230 (specifically, the end surface of the other end of the edge portion 233), the end surface of the first loop end 310, and the upper wall surface of the first connecting wall 120 are coated with an insulating adhesive, so that the problem of short circuit caused by contact between the end portion of the second connecting wall 230 and the first connecting wall 120 is eliminated.
In the embodiment shown in fig. 2, the end surface of the first annular end 310 is disposed beyond the end surface of the second connecting wall 230, so that the isolation and insulation effects of the sealing member 300 on the first connecting wall 120 and the second connecting wall 230 are enhanced, and the contact between the first connecting wall 120 and the second connecting wall 230 is avoided.
In one embodiment, the sealing member 300 is a rubber ring, and the rubber ring is made of rubber, so as to have elasticity and insulation performance, and meet the insulation and sealing requirements between the first connecting wall 120 and the second connecting wall 230.
In one embodiment, the bottom case 200 and the upper cover 100 are both circularly disposed. The bottom case 200 and the upper cover 100 are both circular, thereby forming a circular button battery.
Referring to fig. 1, another embodiment provides a button cell, which includes a cell assembly 600; and a housing for a button cell as described in any of the above embodiments, the cell assembly 600 is disposed in the accommodating cavity 500.
The button battery adopts the shell for the button battery, the upper cover 100 and the bottom shell 200 form an accommodating cavity 500 through the matching of the first connecting wall 120 and the second connecting wall 230, and the electric core assembly 600 is installed in the accommodating cavity 500; a sealing member 300 is arranged between the first connecting wall 120 and the second connecting wall 230 to ensure the sealing property of the accommodating cavity 500 and the insulation property between the first connecting wall 120 and the second connecting wall 230; the insulating piece 400 is arranged so that the end of the second connecting wall 230 is not contacted or collided with the wall surface of the first connecting wall 120 all the time, thereby avoiding the problem of short circuit caused by contact and ensuring the use safety of the button cell.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A housing for a button cell, comprising:
the upper cover is provided with a first connecting wall which is annularly arranged;
the bottom shell is provided with a second connecting wall which is annularly arranged, and the second connecting wall is matched with the first connecting wall to enable the bottom shell and the upper cover to form an accommodating cavity;
the sealing element is arranged in a ring shape and is arranged between the first connecting wall and the second connecting wall; and
the insulating part is annularly arranged, the insulating part is abutted to the end part of the second connecting wall, and the insulating part is also abutted to the first connecting wall, so that the second connecting wall is insulated from the first connecting wall.
2. The casing for a button cell of claim 1, wherein the insulating member is an insulating paste applied along the end face of the second connecting wall, the end face of the sealing member, and the wall face of the first connecting wall.
3. The casing for button cells according to claim 1, wherein the upper cover includes a first bottom wall, the first connecting wall is connected to an outer edge of the first bottom wall, the first bottom wall is disposed to protrude from the first connecting wall, and the first bottom wall is disposed to protrude toward a side of the first connecting wall away from the bottom case.
4. The casing for the button cell as defined in claim 1, wherein the bottom casing comprises a second bottom wall and a second side wall, the second side wall is disposed in a ring shape, one end of the second side wall is connected to the second bottom wall, and the other end of the second side wall is connected to the second connecting wall.
5. The casing for button cells according to claim 4, wherein the second connecting wall is bent to form an annular groove, the notch of the annular groove is arranged towards the inner side of the bottom case, the annular groove corresponds to the outer edge of the first connecting wall, the outer edge of the first connecting wall is located in the annular groove, one side of the sealing element abuts against the first connecting wall, and the other side of the sealing element abuts against the second connecting wall.
6. The casing for a button cell of claim 5 wherein the second connecting wall includes a flared portion, an extension portion and a rim portion, the flared portion, the extension portion and the rim portion all being annularly disposed, the flared portion being connected to the other end of the second sidewall, the extension portion being located between the flared portion and the rim portion and forming the annular groove.
7. The casing for the button cell as defined in claim 6, wherein one end of the outward-expanding portion is connected with the other end of the second side wall, and the other end of the outward-expanding portion extends toward the outer ring direction of the bottom casing; one end of the extending part is connected with the other end of the outward expanding part, and the other end of the extending part extends towards one side, away from the second bottom wall, of the outward expanding part; one end of the edge part is connected with the other end of the extending part, and the other end of the edge part extends towards the inner side of the bottom shell.
8. The casing for button cells according to claim 1, wherein the sealing member has a first loop end and a second loop end, the first loop end and the second loop end are respectively located on two opposite sides of the first connecting wall, the first loop end is located on one side of the first connecting wall far away from the bottom shell, and the second loop end is arranged to protrude out of the end of the second connecting wall.
9. Casing for button cells according to any of claims 1 to 8, characterized in that the seal is a rubber ring; the drain pan with the upper cover all is circular setting.
10. A button cell, comprising:
an electrical core assembly; and
the casing for the button cell as defined in any one of claims 1 to 9, wherein the electric core assembly is arranged in the accommodating cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023020871.XU CN214043936U (en) | 2020-12-15 | 2020-12-15 | Shell for button cell and button cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023020871.XU CN214043936U (en) | 2020-12-15 | 2020-12-15 | Shell for button cell and button cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214043936U true CN214043936U (en) | 2021-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023020871.XU Active CN214043936U (en) | 2020-12-15 | 2020-12-15 | Shell for button cell and button cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214043936U (en) |
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2020
- 2020-12-15 CN CN202023020871.XU patent/CN214043936U/en active Active
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