CN218498220U - Battery top cap seal assembly - Google Patents
Battery top cap seal assembly Download PDFInfo
- Publication number
- CN218498220U CN218498220U CN202222141710.9U CN202222141710U CN218498220U CN 218498220 U CN218498220 U CN 218498220U CN 202222141710 U CN202222141710 U CN 202222141710U CN 218498220 U CN218498220 U CN 218498220U
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- Prior art keywords
- top cap
- fixing portion
- cover plate
- top cover
- filling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model relates to a battery top cover sealing component, the top cover plate is provided with a mounting hole, the pole column passes through the mounting hole and is clamped on two sides of the top cover plate, and the sealing element is filled in the gap space between the top cover plate and the pole column; in the installation process of the top cover plate, the pole column penetrates through the installation hole, the sealing element is clamped in a gap between the pole column and the top cover plate when the two sides of the top cover plate are clamped by the pole column, and then the sealing connection of the pole column and the top cover plate is realized.
Description
Technical Field
The utility model relates to a battery technology field, in particular to battery top cap seal assembly.
Background
In modern society, driving power sources for more and more electric tools and new energy vehicles are developed in a direction of high capacity and high safety, and batteries are widely used in electric tools and new energy vehicles due to their excellent characteristics such as high capacity. These batteries should have good safety in addition to high capacity to meet the standards of use and to meet the needs of people.
In general secondary batteries, the negative terminal needs to be electrically insulated from the top cover and the casing, and thus, a large number of insulating assemblies can be arranged, for example, an upper plastic part for insulating the negative pole column from the top cover, a sealing ring for electrically insulating and sealing the negative pole mounting hole, and a lower plastic part for electrically insulating the negative pole connecting piece from the top cover, are mounted on the negative terminal of the top cover, so that more parts are mounted and the mounting procedure is complicated.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is necessary to provide a battery top cap sealing assembly in order to solve the technical problems of the above top cap structure that many parts are mounted and the mounting procedure is complicated.
The utility model provides a battery top cap seal assembly, includes top cap board, utmost point post and sealing member, the top cap board is equipped with the mounting hole, utmost point post passes the mounting hole is and press from both sides and is located the top cap board both sides, the sealing member fill in the top cap board reaches in the clearance space between the utmost point post.
Preferably, the pole comprises a first fixing portion, a second fixing portion and a connecting portion, the first fixing portion is located on the upper side of the top cover plate, the second fixing portion is located on the lower side of the top cover plate, and the connecting portion penetrates through the mounting hole and two sides of the connecting portion to be connected with the first fixing portion and the second fixing portion respectively.
Preferably, first fixed part and lamina tecti upper flank enclose to establish and form first clearance space, and second fixed part and lamina tecti downside enclose to establish and form second clearance space, connecting portion enclose with the mounting hole and establish and form third clearance space, the sealing member includes first filling portion, second filling portion and third filling portion, first filling portion fills in first clearance space, second filling portion fills in second clearance space, third filling portion fills in third clearance space.
Preferably, the first filling part comprises a filling part and an extending part, the filling part is arranged between the upper side surface of the top cover plate and the first fixing part, the filling part is matched with the first fixing part in shape, and the extending part extends from the edge of the filling part to one side far away from the top cover plate.
Preferably, the third filling part comprises an inner contact surface and an outer contact surface, the inner contact surface is matched with the pole in shape, and the outer contact surface is matched with the mounting hole in shape.
Preferably, the mounting hole is a through hole in a regular shape, and the pole is in a shape matched with the through hole.
Preferably, the pole and the second fixing part are integrally arranged, and the pole penetrates through the first fixing part and is riveted with the first fixing part on the top cover plate.
Preferably, the second fixing portion is sequentially provided with the accommodating groove and the connecting hole from top to bottom, and one side of the pole far away from the second fixing portion penetrates through the connecting hole and deforms to be riveted to the accommodating groove face downwards.
Preferably, the sealing element is an elastic component, and the sealing element is integrally formed by injection molding or formed by single plastic.
Preferably, the device is further provided with insulating plastic, and the insulating plastic is arranged on the lower side of the top cover plate.
The beneficial effects of the utility model reside in that: the utility model provides a pair of battery top cap seal assembly, including lamina tecti, utmost point post and sealing member, the lamina tecti is equipped with the mounting hole, utmost point post passes the mounting hole presss from both sides and locates the lamina tecti both sides, the sealing member fill in the lamina tecti reaches in the clearance space between the utmost point post. In the installation process of the top cover plate, the pole column penetrates through the installation hole, the sealing element is clamped in a gap between the pole column and the top cover plate when the two sides of the top cover plate are clamped by the pole column, and then the sealing connection of the pole column and the top cover plate is realized.
Drawings
Fig. 1 is a schematic view of the assembly of the battery top cap seal assembly of the present invention;
fig. 2 is a schematic view of the assembly of the battery top cap seal assembly of the present invention;
figure 3 is a cross-sectional view of the present invention shown in figures 2B-B with a seal;
FIG. 4 is a partial view of FIG. 3 in accordance with the present invention;
FIG. 5 is a cross-sectional view of the present invention without the seal of FIGS. 2B-B;
fig. 6 is a partial schematic view of fig. 5 according to the present invention.
Reference numerals:
10-sealing the top cover of the battery;
100-a top cover plate; 110-mounting holes; 120-top cover plate upper side; 130-under side of top cover plate;
200-pole column; 210-a first fixed part; 211-a receiving groove; 212-connection hole; 220-a connecting portion; 230-a second fixed part;
300-a seal; 310-a first filling portion; 311-a filling part; 312-an extension; 320-a second filling section; 330-third filling part;
400-a clearance space; 410-a first interstitial space; 420-a second interstitial space; 430-third interstitial space.
500-insulating rubber.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be embodied in many other forms different from those described herein and similar modifications may be made by those skilled in the art without departing from the spirit and scope of the invention and, therefore, the invention is not to be limited to the specific embodiments disclosed below.
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 to implicitly indicate 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 explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; 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. As used herein, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are for purposes of illustration only and do not denote a single embodiment.
With reference to fig. 1-6, the present invention discloses a battery top cap sealing assembly 10, which comprises a top cap plate 100, a terminal post 200 and a sealing member 300, wherein the top cap plate 100 is provided with a mounting hole 110, the terminal post 200 passes through the mounting hole 110 and is clamped on both sides of the top cap plate 100, and the sealing member 300 is filled in a gap space 400 between the top cap plate 100 and the terminal post 200. In the assembly process of the battery top cover sealing assembly 10, the pole 200 penetrates through the mounting hole 110 in the top cover plate 100, the sealing element 300 is clamped in the clearance space 400 between the pole 200 and the top cover plate 100 from the upper side and the lower side of the top cover plate 100 by the pole 200, the pole 200 is connected with the top cover plate 100 in a sealing mode through the sealing element 300, and the whole connection assembly process is few in number of parts and simple and efficient in mounting procedure.
In one embodiment, the pole 200 includes a first fixing portion 210, a second fixing portion 230 and a connecting portion 220, the first fixing portion 210 is located on the top cover plate 100, the second fixing portion 230 is located on the bottom cover plate 100, and the connecting portion 220 passes through the mounting hole 110 and connects the first fixing portion 210 and the second fixing portion 230. Specifically, in order to ensure the stability and convenience of the connection part 220 connecting the first fixing part 210 and the second fixing part 230, the connection part 220 and the second fixing part 230 are integrally disposed, and the connection part 220 sequentially passes through the mounting hole 110 and the first fixing part 210 from bottom to top and is riveted with the first fixing part 210, and correspondingly, the connection part 220 may also be integrally disposed with the first fixing part 210, and the connection part 220 sequentially passes through the mounting hole 110 and the second fixing part 230 from top to bottom and is riveted with the second fixing part 230, and for the convenience of the connection part 220 connecting the first fixing part 210 and the second fixing part 230, a connection manner in which the connection part 220 and the second fixing part 230 are integrally disposed is preferable. In the process of mounting the top cap sealing assembly 10, the sealing member 300 is firstly inserted into the mounting hole 110 and placed on the top cap plate 100, then the connecting portion 220 fixed with the second fixing portion 230 is inserted into the mounting hole 110 from the lower side of the top cap plate 100, and then the first fixing portion 210 is riveted and connected to the connecting portion 220 through the connecting portion 220, wherein the first fixing portion 210 and the second fixing portion 230 radially press the sealing member 300 between the terminal post 200 and the top cap plate 100 up and down along the connecting portion 220.
Further, in order to ensure the sealing performance between the terminal post 200 and the top cover plate 100 connected by the sealing element 300, the sealing element 300 includes a first filling portion 310, a second filling portion 320 and a third filling portion 330, the first fixing portion 210 and the top cover plate upper side 120 enclose to form a first gap space 410, the second fixing portion 230 and the top cover plate lower side 130 enclose to form a second gap space 420, and the connecting portion 220 and the inner wall of the mounting hole 110 enclose to form a third gap space 430, wherein the first filling portion 310 is filled in the first gap space 410, the second filling portion 320 is filled in the second gap space 420, and the third filling portion 330 is filled in the third gap space 430. When the pole 200 clamps the sealing member 300 in the gap space 400 between the pole 200 and the top cover plate 100, the connecting portion 220 applies a downward acting force to the first fixing portion 210 so that the first fixing portion 210 and the top cover plate upper side surface 120 clamp the first filling portion 310 from the upper and lower sides of the first filling portion 310 to tightly fill the first filling portion 310 in the first gap space 410, the connecting portion 220 and the inner side wall of the mounting hole 110 clamp the third filling portion 330 from the two sides of the third filling portion 330 so that the third filling portion 330 is tightly filled in the third gap space 430, and the connecting portion 220 applies an upward acting force to the second fixing portion 230 so that the second fixing portion 230 and the top cover plate lower side surface 130 clamp the second filling portion 320 from the upper and lower sides of the second filling portion 320 to tightly fill the second gap space 420. According to the requirement on the sealing performance of the battery top cover structure, the pole 200 and the top cover plate 100 apply proper acting force on the sealing element 300 to enable the sealing element 300 to deform correspondingly.
In one embodiment, in order to further improve the sealing performance between the pole post 200 and the top cover plate 100, the first filling portion 310 includes a filling portion 311 and an extension portion 312, wherein the filling portion 311 is disposed between the top cover plate upper side surface 120 and the first fixing portion 310, the filling portion 311 is matched in shape with the first fixing portion 210, and the extension portion 312 extends from an edge of the filling portion 311 toward a side away from the top cover plate 100. Specifically, the filling portion 311 and the extending portion 312 extending upward from the edge of the filling portion are surrounded to form an accommodating space, one side of the first fixing portion 210 close to the top cover plate 100 is partially or completely located in the accommodating space, and the extending portion 312 only surrounds the first fixing portion 310 from the side of the first fixing portion 310. By providing the extension 312 at the edge of the filling portion 311, leakage at the contact surface between the first filling portion 310 and the first fixing portion 210 is prevented.
Further, to improve the sealing performance of the third filling portion 330 in the third gap space 430, the third filling portion 330 includes an inner contact surface and an outer contact surface, wherein the inner contact surface is adapted to the shape of the pole, and the outer contact surface is adapted to the shape of the mounting hole. That is, the inner contact surface of the third filling portion is attached to the outer side surface of the pole, the outer contact surface is attached to the inner side surface of the mounting hole, and the outer side surface of the pole and the inner side surface of the mounting hole extrude the third filling portion 330 from both sides of the third filling portion, so that the third filling portion 330 is tightly filled in the third gap space 430.
In one embodiment, to improve the convenience of mounting the sealing assembly on the top cover plate, the mounting hole 110 is a through hole with a circular, square or other regular shape, and the pole 200 is a shape matching the shape of the mounting hole. Further, for avoiding taking place to rotate between utmost point post and the lamina tecti, the mounting hole sets up the variability of looks adaptation with utmost point post, chooses quadrangle, pentagon … … etc. for use like the mounting hole, utmost point post 200 choose for use with the quadrangle, the pentagon etc. of polygon looks adaptation, utmost point post 200 and mounting hole 110 pass through polygon adaptation connection, and the lamina tecti prevents utmost point post in the relative lamina tecti rotation of mounting hole.
In one embodiment, to further improve the stability of the connecting portion 220 riveting the first fixing portion 210, the first fixing portion 210 is sequentially disposed with the receiving cavity 211 and the connecting hole 212 from top to bottom, and one side of the connecting portion 220 away from the first fixing portion 210 passes through the connecting hole 212 and deforms to rivet and press the receiving cavity surface downward.
In one embodiment, to further simplify the assembly process of the sealing assembly to the top cover plate 100, the sealing member 300 is integrally molded by injection molding or separately molded by plastic, and the sealing member 300 is made of an elastic material, such as teflon or other elastic materials. In the process of installing the top cover plate, the sealing element 300 formed by injection molding is firstly placed on the top cover plate 110 through the installation hole 110, the first filling portion 310, the second filling portion 320 and the third filling portion 330 are clamped on two sides of the top cover plate 100 through the installation hole 110, then the connecting portion 220 fixed with the second fixing portion 230 passes through the installation hole 110 from the lower side of the top cover plate 100, and then the first fixing portion 210 is riveted and connected to the connecting portion 220 through the connecting portion 220, wherein the first fixing portion 210 and the second fixing portion 230 radially press the sealing element 300 up and down between the pole post 200 and the top cover plate 100 along the connecting portion 220.
In one embodiment, in order to ensure the sealing property of the connection between the top cover plate 100 and the battery assembly, the insulating rubber 500 is disposed on the lower side of the top cover plate 100, and the top cover plate 100 is connected to the battery assembly through the insulating rubber 500.
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. The utility model provides a battery top cap seal assembly, its characterized in that, includes lamina tecti, utmost point post and sealing member, the lamina tecti is equipped with the mounting hole, utmost point post passes the mounting hole presss from both sides and locates the lamina tecti both sides, the sealing member fill in the lamina tecti reaches in the clearance space between the utmost point post.
2. The battery top cap seal assembly of claim 1, wherein the post comprises a first fixing portion, a second fixing portion and a connecting portion, the first fixing portion is located on the top cover plate, the second fixing portion is located on the bottom cover plate, the connecting portion passes through the mounting hole, and two sides of the connecting portion are respectively connected with the first fixing portion and the second fixing portion.
3. The battery top cap sealing assembly of claim 2, wherein the first fixing portion and the top cover plate upper side enclose a first gap space, the second fixing portion and the top cover plate lower side enclose a second gap space, the connecting portion and the mounting hole enclose a third gap space, and the sealing member includes a first filling portion, a second filling portion and a third filling portion, the first filling portion is filled in the first gap space, the second filling portion is filled in the second gap space, and the third filling portion is filled in the third gap space.
4. The battery top cap sealing assembly of claim 3, wherein the first filling portion comprises a filling portion and an extension portion, the filling portion is disposed between the top cap plate and the first fixing portion, the filling portion is matched with the first fixing portion in shape, and the extension portion extends from an edge of the filling portion toward a side away from the top cap plate.
5. The battery top cap seal assembly of claim 3, wherein the third filler comprises an inner contact surface and an outer contact surface, the inner contact surface conforming to the shape of the post, the outer contact surface conforming to the shape of the mounting hole.
6. The battery top cap seal assembly of claim 5, wherein the mounting hole is a through hole of regular shape and the post is of shape to fit the through hole.
7. The battery top cap seal assembly of claim 2, wherein the connecting portion is integrally formed with the second securing portion, the connecting portion passing through the first securing portion to rivet the first securing portion to the top cap plate.
8. The battery top cap seal assembly of claim 7, wherein the first fixing portion is provided with a receiving groove and a connecting hole in sequence from top to bottom, and one side of the pole far away from the first fixing portion passes through the connecting hole and deforms to rivet and press the receiving groove surface downwards.
9. The battery top cap seal assembly of any one of claims 1-7, wherein the seal member is an elastomeric member, and the seal member is injection molded as a single piece or is formed from a separate piece of plastic.
10. The battery top cap seal assembly of claim 1, further comprising an insulating plastic on an underside of the top cap plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222141710.9U CN218498220U (en) | 2022-08-15 | 2022-08-15 | Battery top cap seal assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222141710.9U CN218498220U (en) | 2022-08-15 | 2022-08-15 | Battery top cap seal assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218498220U true CN218498220U (en) | 2023-02-17 |
Family
ID=85185907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222141710.9U Active CN218498220U (en) | 2022-08-15 | 2022-08-15 | Battery top cap seal assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218498220U (en) |
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2022
- 2022-08-15 CN CN202222141710.9U patent/CN218498220U/en active Active
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| GR01 | Patent grant |