CN216269687U - Sealed battery case structure of buffering - Google Patents
Sealed battery case structure of buffering Download PDFInfo
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- CN216269687U CN216269687U CN202122398941.3U CN202122398941U CN216269687U CN 216269687 U CN216269687 U CN 216269687U CN 202122398941 U CN202122398941 U CN 202122398941U CN 216269687 U CN216269687 U CN 216269687U
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- cover plate
- elastic sealing
- sealing element
- upper cover
- lower cover
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Abstract
The utility model discloses a sealed and buffered battery shell structure which comprises an upper cover, a middle barrel and a lower cover, wherein the upper cover comprises an upper cover plate and an upper elastic sealing element, the upper cover plate and the upper elastic sealing element are formed into an integrated structure in an injection molding mode, the upper elastic sealing element covers the outer side wall of the upper cover plate, and one end part of the upper elastic sealing element is connected with the middle barrel; the lower cover comprises a lower cover plate and a lower elastic sealing element, the lower cover plate and the lower elastic sealing element are molded into an integrated structure in an injection mode, the lower elastic sealing element coats the outer side wall of the lower cover plate, and one end portion of the lower elastic sealing element is connected with the middle cylinder. The utility model solves the problems that the existing two-wheel battery pack needs to be separately manufactured and installed with an elastic sealing element and a buffer structure.
Description
Technical Field
The utility model relates to the technical field of two-wheel battery packs, in particular to a battery pack of an electric motorcycle, and specifically relates to a sealed and buffered battery shell structure.
Background
At present, the structure of two-wheeled battery package mainly comprises upper cover + upper cover sealing washer + well section of thick bamboo + lower cover sealing washer + lower cover, and the sealing washer needs to be installed alone, and buffer structure does the design alone also. And the sealing ring needs to be manufactured by opening the die independently, so that the manufacturing cost and the labor cost are wasted.
Through the search discovery, China of publication No. CN112151713A specially does benefit to 29.12.2020, and discloses an electric motorcycle battery shell, including upper cover plate, lower cover plate and casing, equal threaded connection all around of lower cover plate top outer wall has the locating lever, and the axle center department of the adjacent one side outer wall of upper cover plate and lower cover plate has all seted up the constant head tank, all welded all around of casing lateral wall has the location section of thick bamboo, and the location section of thick bamboo cup joints in the outside of locating lever, there is lock nut upper cover plate top outer wall through bearing swing joint all around, and be threaded connection between lock nut and the locating lever. This patent application is through the mode of upper cover plate, casing and lower apron combination for battery case's installation is more firm and convenient to detach, but needs installation elastic sealing spare and buffer structure alone, causes manpower and materials extravagant.
China, with publication number CN205508905U, specially adapted for 2016, 8 and 24 discloses a battery shell structure of an electric motorcycle, which comprises a square shell, a battery fixing frame, concave-convex ribs and a support plate, wherein at least one battery component is accommodated in the square shell, an anti-expansion structure is arranged between the battery component and the battery component, the battery component is prevented from expanding through the anti-expansion structure, the battery fixing frame used for fixing the battery component is arranged on the outer side surface of the square shell, the battery fixing frame is connected with a frame of the electric motorcycle, a plurality of concave-convex ribs which are arranged in a matrix and have a heat dissipation function are arranged on the outer surface of the square shell, the support plate used for supporting the battery component is arranged at the lower end of the square shell, the support plate is clamped in a groove body at the side end of the square shell, the battery component is further fixed through the battery fixing frame, and the heat dissipation function of the battery component is increased through the concave-convex ribs arranged on the square shell, but again requires separate installation of the elastomeric seal and cushioning structure.
Therefore, it is necessary to provide a battery case structure having a small number of mounting steps and low manufacturing cost, and problems due to poor mounting can be effectively avoided.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a sealed and buffered battery shell structure, which is used for solving the problems that an elastic sealing element needs to be manufactured and installed separately and a buffering structure needs to be arranged separately in the conventional two-wheel battery pack.
The utility model is realized by the following technical scheme:
a sealed and buffered battery shell structure comprises an upper cover, a middle barrel and a lower cover, wherein the upper cover comprises an upper cover plate and an upper elastic sealing element, the upper cover plate and the upper elastic sealing element are formed into an integrated structure in an injection molding mode, the upper elastic sealing element covers the outer side wall of the upper cover plate, and one end portion of the upper elastic sealing element is connected with the middle barrel; the lower cover comprises a lower cover plate and a lower elastic sealing element, the lower cover plate and the lower elastic sealing element are molded into an integrated structure in an injection mode, the lower elastic sealing element coats the outer side wall of the lower cover plate, and one end portion of the lower elastic sealing element is connected with the middle cylinder.
In the technical scheme, the integrated upper cover is formed by injection molding of the upper cover plate and the upper elastic sealing element, the integrated lower cover is formed by injection molding of the lower cover plate and the lower elastic sealing element, and the upper cover and the lower cover are respectively connected with the middle cylinder to complete the assembly of the battery shell structure; this technical scheme forms an integral part with elastic sealing element and upper cover plate and lower apron respectively, utilizes elastic sealing element to have simultaneously sealed effect and cushioning effect, reduces the material expenditure who makes sealing washer and blotter alone, reduction in production cost.
According to the technical scheme, the upper cover plate and the lower cover plate are respectively in an integrated structure with the elastic sealing element in an injection molding mode, the installation gap between the sealing ring and the upper cover plate and between the sealing ring and the lower cover plate is eliminated, sealing failure points are reduced, and the sealing reliability is improved. Meanwhile, the technical scheme omits the installation procedure of the sealing ring, avoids the problem of poor installation possibly existing in the installation, and reduces the labor cost and the sealing failure point caused by poor installation.
Furthermore, the upper cover plate is a cavity structure with an opening at one end, and the opening end of the upper cover plate faces the middle cylinder; the end part of the upper cover plate facing the middle cylinder is provided with a groove; the inner surface of one end of the upper elastic sealing element is abutted against the inner wall of the groove, and the outer surface of the end of the upper elastic sealing element is abutted against the end of the middle cylinder. The upper cover plate and the upper elastic sealing element are integrally formed in an injection mode, the upper cover plate is abutted to the barrel through the upper elastic sealing element, and the sealing effect is achieved while the buffering effect is achieved.
Further, the groove surrounds along the opening end of the upper cover plate to form a rectangular groove; the inner side wall of the rectangular groove is higher than the outer side wall. The inner wall of the rectangular groove formed around the opening end of the upper cover plate is abutted against one end part of the upper elastic sealing element and is formed into an integral structure in an injection molding mode, and after the barrel body and the upper cover plate are connected and fixed, a buffer space can be provided for buffering between the barrel body and the upper cover plate through the rectangular groove. The inside wall of rectangular channel is higher than the lateral wall among this technical scheme and can makes the barrel more firm with being connected of upper cover plate.
Furthermore, the inner side wall of the rectangular groove extends towards the middle cylinder direction and protrudes out of the upper cover plate. The arrangement is not only beneficial to the injection molding of the upper elastic sealing element and the rectangular groove, but also beneficial to the stable connection of the cylinder body and the upper elastic sealing element.
Further, go up elastic sealing element and be L type structure, wherein, the long limit cladding of L type structure is on the lateral wall of upper cover plate, and the minor face internal surface offsets with the recess inner wall and the surface offsets with well section of thick bamboo tip. Such setting makes the upper cover have sealed and buffering effect concurrently, and has avoided the installation clearance between independent sealing washer and the upper cover through the mode of moulding plastics formation integral structure, has improved sealed effect.
Furthermore, the upper cover plate is made of hard glue, and the upper elastic sealing element is made of soft glue. The last elastic sealing member of flexible glue material can realize sealed and the effect of buffering, and battery case's protection effect can be guaranteed to the upper cover plate of ebonite material.
Furthermore, the lower cover plate has the same structure and material as the upper cover plate; the lower elastic sealing element has the same structure and material as the upper elastic sealing element. The lower cover plate and the lower elastic sealing piece are formed into an integral lower cover in an injection molding mode, and the lower cover is used as an integral part to be matched with the upper cover and the middle barrel to complete the assembly of the battery shell.
Compared with the prior art, the utility model has the beneficial effects that:
(1) the integrated upper cover is formed by injection molding of the upper cover plate and the upper elastic sealing element, the integrated lower cover is formed by injection molding of the lower cover plate and the lower elastic sealing element, and the upper cover and the lower cover are respectively connected with the middle cylinder to complete the assembly of the battery shell structure; this technical scheme forms an integral part with elastic sealing element and upper cover plate and lower apron respectively, utilizes elastic sealing element to have simultaneously sealed effect and cushioning effect, reduces the material expenditure who makes sealing washer and blotter alone, reduction in production cost.
(2) According to the utility model, the upper cover plate and the lower cover plate are respectively formed with the elastic sealing element in an injection molding manner to form an integrated structure, so that the installation gap between the sealing ring and the upper cover plate and between the sealing ring and the lower cover plate is eliminated, the sealing failure points are reduced, and the sealing reliability is improved.
(3) The utility model omits the installation procedure of the sealing ring, avoids the problem of poor installation which may exist in the installation, and reduces the labor cost and the sealing failure point caused by the poor installation.
Drawings
Fig. 1 is an overall schematic view of a battery case structure according to an embodiment of the present invention.
Fig. 2 is an exploded view of a battery case structure according to an embodiment of the present invention.
Fig. 3 is a top view of a battery case structure according to an embodiment of the present invention.
Fig. 4 is a cross-sectional view a-a according to an embodiment of the present invention.
Fig. 5 is a partially enlarged view of a portion F according to an embodiment of the present invention.
In the figure: 1. an upper cover; 101. an upper elastomeric seal; 102. an upper cover plate; 2. a lower cover; 201. a lower elastomeric seal; 202. a lower cover plate; 3. and (4) a middle cylinder.
Detailed Description
The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
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", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered 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, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The utility model provides a sealed and buffered battery shell structure, which comprises an upper cover 1, a middle cylinder 3 and a lower cover 2, wherein the upper cover 1, the middle cylinder 3 and the lower cover 2 are assembled to form a battery buffering structure, as shown in figures 1-3.
The upper cover 1 comprises an upper cover plate 102 and an upper elastic sealing element 101, the upper cover plate 102 and the upper elastic sealing element 101 are formed into an integrated structure through injection molding, the upper elastic sealing element 101 covers the outer side wall of the upper cover plate 102, and one end part of the upper elastic sealing element is connected with the middle cylinder 3. The upper cover plate 102 is made of hard glue, and the upper elastic sealing element 101 is made of soft glue.
The lower cover 2 comprises a lower cover plate 202 and a lower elastic sealing element 201, the lower cover plate 202 and the lower elastic sealing element 201 are formed into an integrated structure in an injection molding mode, the lower elastic sealing element 201 covers the outer side wall of the lower cover plate 202, and one end portion of the lower elastic sealing element is connected with the middle cylinder 3. The lower cover plate 202 is made of hard glue, and the lower elastic sealing element 201 is made of soft glue.
As shown in fig. 2, the upper cover plate 102 is a cavity structure with one open end, and the open end faces the middle cylinder 3. The end part of the upper cover plate 102 facing the middle barrel 3 is provided with a groove; the inner surface of one end of the upper elastic sealing element 101 is abutted against the inner wall of the groove, and the outer surface is abutted against the end of the middle cylinder 3. Upper cover plate 102 and last elastic sealing element 101 are through integration injection moulding, and upper cover plate 102 offsets with the barrel through last elastic sealing element 101, have the cushioning effect concurrently when reaching sealed effect.
The groove surrounds along the opening end of the upper cover plate 102 to form a rectangular groove; the inner side wall of the rectangular groove is higher than the outer side wall. The inner wall of the rectangular groove formed around the opening end of the upper cover plate 102 abuts against one end of the upper elastic sealing element 101 and is formed into an integral structure through injection molding, and after the cylinder body is connected and fixed with the upper cover plate 102, a buffer space can be provided for buffering between the cylinder body and the upper cover plate 102 through the rectangular groove. The inside wall of rectangular channel is higher than the lateral wall among this technical scheme and can make the barrel more firm with being connected of upper cover plate 102.
The lower cover plate 202 is also a cavity structure with one open end, and the open end faces the middle barrel 3. The end part of the lower cover plate 202 facing the middle barrel 3 is provided with a groove; the inner surface of one end of the lower elastic sealing element 201 is abutted against the inner wall of the groove, and the outer surface is abutted against the end of the middle cylinder 3.
As shown in fig. 4-5, the inner side wall of the rectangular groove extends toward the middle barrel 3 and protrudes from the upper cover plate 102. Such an arrangement is not only beneficial to injection molding of the upper elastic sealing element 101 and the rectangular groove, but also beneficial to stable connection of the cylinder body and the upper elastic sealing element 101.
The upper elastic sealing element 101 is of an L-shaped structure, wherein the long side of the L-shaped structure is coated on the outer side wall of the upper cover plate 102, the inner surface of the short side is abutted against the inner wall of the groove, and the outer surface of the short side is abutted against the end part of the middle cylinder 3. Due to the arrangement, the upper cover 1 has the sealing and buffering functions, the installation gap between the independent sealing ring and the upper cover 1 is avoided in the mode of forming an integrated structure through injection molding, and the sealing effect is improved.
The lower elastic sealing element 201 is also of an L-shaped structure, the long side of the L-shaped structure is coated on the outer side wall of the lower cover plate 202, the inner surface of the short side abuts against the inner wall of the groove, and the outer surface of the short side abuts against the end part of the middle cylinder 3.
According to the utility model, the integrated upper cover 1 is formed by injection molding of the upper cover plate 102 and the upper elastic sealing element 101, the integrated lower cover 2 is formed by injection molding of the lower cover plate 202 and the lower elastic sealing element 201, and the upper cover 1 and the lower cover 2 are respectively connected with the middle barrel 3 to complete the assembly of the battery shell structure, so that the manufacturing cost and the assembly complexity are reduced.
According to the utility model, the upper cover plate 202 and the lower cover plate 202 are respectively formed into an integrated structure with the elastic sealing element in an injection molding manner, so that the installation gap between the sealing ring and the upper cover plate 202 and between the sealing ring and the lower cover plate 202 is eliminated, the sealing failure points are reduced, and the sealing reliability is improved. Meanwhile, the technical scheme omits the installation procedure of the sealing ring, avoids the problem of poor installation possibly existing in the installation, and reduces the labor cost and the sealing failure point caused by poor installation.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions deviate from the technical solutions of the embodiments of the present invention.
Claims (7)
1. A sealed and buffered battery shell structure comprises an upper cover, a middle barrel and a lower cover, and is characterized in that the upper cover comprises an upper cover plate and an upper elastic sealing element, the upper cover plate and the upper elastic sealing element are formed into an integrated structure through injection molding, the upper elastic sealing element covers the outer side wall of the upper cover plate, and one end part of the upper elastic sealing element is connected with the middle barrel; the lower cover comprises a lower cover plate and a lower elastic sealing element, the lower cover plate and the lower elastic sealing element are molded into an integrated structure in an injection mode, the lower elastic sealing element coats the outer side wall of the lower cover plate, and one end portion of the lower elastic sealing element is connected with the middle cylinder.
2. The sealed and buffered battery case structure of claim 1, wherein the upper cover plate is a cavity structure with an open end, and the open end faces the middle cylinder; the end part of the upper cover plate facing the middle cylinder is provided with a groove; the inner surface of one end of the upper elastic sealing element is abutted against the inner wall of the groove, and the outer surface of the end of the upper elastic sealing element is abutted against the end of the middle cylinder.
3. A sealed and buffered battery case structure as recited in claim 2, wherein said recess is formed in a rectangular shape around the open end of the upper cover plate; the inner side wall of the rectangular groove is higher than the outer side wall.
4. A sealed and buffered battery case structure as claimed in claim 3, wherein the inner sidewall of the rectangular groove extends toward the middle tube and protrudes from the upper cover plate.
5. The battery casing structure of claim 1, wherein the upper elastic sealing member is an L-shaped structure, wherein the long side of the L-shaped structure is wrapped on the outer side wall of the upper cover plate, the inner surface of the short side abuts against the inner wall of the groove, and the outer surface abuts against the end of the middle tube.
6. The battery casing structure of claim 1, wherein the upper cover plate is made of hard glue, and the upper elastic sealing member is made of soft glue.
7. The structure of any one of claims 1 to 6, wherein the lower cover plate has the same structure and material as the upper cover plate; the lower elastic sealing element has the same structure and material as the upper elastic sealing element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122398941.3U CN216269687U (en) | 2021-09-30 | 2021-09-30 | Sealed battery case structure of buffering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122398941.3U CN216269687U (en) | 2021-09-30 | 2021-09-30 | Sealed battery case structure of buffering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216269687U true CN216269687U (en) | 2022-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122398941.3U Active CN216269687U (en) | 2021-09-30 | 2021-09-30 | Sealed battery case structure of buffering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216269687U (en) |
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2021
- 2021-09-30 CN CN202122398941.3U patent/CN216269687U/en active Active
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