CN212848615U - Battery box - Google Patents
Battery box Download PDFInfo
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- CN212848615U CN212848615U CN202021037682.0U CN202021037682U CN212848615U CN 212848615 U CN212848615 U CN 212848615U CN 202021037682 U CN202021037682 U CN 202021037682U CN 212848615 U CN212848615 U CN 212848615U
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- sealing
- matching
- battery box
- upper connecting
- connecting part
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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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- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model discloses a battery box, which comprises a box body, a box cover matched with the box body and a sealing ring pressed between the box body and the box cover; the box cover comprises an upper bottom wall and an upper side wall formed by extending from the edge of the upper bottom wall, and one end of the upper side wall, which is far away from the upper bottom wall, is provided with a matching part and an upper connecting part surrounding the outer side of the matching part; the box body comprises a lower bottom wall and a lower side wall formed by extending from the edge of the lower bottom wall, and the lower side wall is provided with a matching groove for accommodating the matching part and a lower connecting part which surrounds the outer side of the lower side wall and is used for connecting the upper connecting part; the protruding sealed arch that forms of inner wall in cooperation groove, sealing washer cover closely laminate with sealed arch in the outside of cooperation portion and under the connecting action of lower connecting portion and last connecting portion, compare with prior art, the utility model provides a beneficial effect lies in: the sealing ring is tightly attached to the sealing protrusion through the connection effect of the upper connecting part and the lower connecting part, so that the sealing effect is achieved, the sealing performance is good, and the structure is simple.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a battery technology field, specificly relate to a battery box.
[ background of the invention ]
With the continuous consumption of non-renewable resources and the increasingly prominent environmental problems, batteries are widely used, and the batteries are usually installed in a battery box to ensure the safe use of the batteries, so that the dustproof and waterproof grade of the battery box is required to be higher. However, the battery box on the current electric vehicle is usually manufactured by bending a steel plate, welding the steel plate and then coating a sealant, and the battery box is easy to have poor sealing.
In view of the above, it is desirable to provide a novel battery box to overcome the disadvantages of the prior art.
[ Utility model ] content
The utility model aims at providing a battery box aims at strengthening the sealing performance of battery box.
In order to achieve the above object, the present invention provides a battery box, which comprises a box body, a box cover matched with the box body, and a sealing ring pressed between the box body and the box cover; the box cover comprises an upper bottom wall and an upper side wall formed by extending from the edge of the upper bottom wall, and one end of the upper side wall, which is far away from the upper bottom wall, is provided with a matching part and an upper connecting part surrounding the outer side of the matching part; the box body comprises a lower bottom wall and a lower side wall formed by extending from the edge of the lower bottom wall, wherein one end of the lower side wall, which is far away from the lower bottom wall, is provided with a matching groove for accommodating the matching part and a lower connecting part which surrounds the outer side of the lower side wall and is used for connecting the upper connecting part; the inner wall of the matching groove is protruded to form a sealing protrusion for abutting against the sealing ring, and the sealing ring is sleeved on the outer side of the matching part and tightly attached to the sealing protrusion under the connection effect of the lower connecting part and the upper connecting part.
As an improvement of the utility model, the transversal L font of personally submitting of sealing washer and reach certainly the second sealing that forms is extended in the one end outside of first sealing, first sealing cover is in the outside of cooperation portion and pressfitting in the cooperation portion with between the sealed arch, the pressfitting of second sealing in go up connecting portion with between the sealed arch.
As the utility model discloses an improvement of battery box, the outside of first sealing still protruding spacing arch that forms a plurality of intervals and set up, sealed arch seted up a plurality of with spacing protruding one-to-one complex spacing groove.
As an improvement of the battery box of the present invention, the first sealing portion is in interference fit with the fitting portion.
As an improvement of the battery box of the present invention, the thickness of the first sealing portion gradually increases from the first sealing portion away from the one end of the second sealing portion to the direction close to the second sealing portion.
As an improvement of the utility model, the second sealing portion is used for the butt go up protruding a plurality of location archs of forming in one side of connecting portion, correspond, it is used for supporting the pressure to go up connecting portion one side of second sealing portion concave be equipped with a plurality of with the protruding one-to-one complex constant head tank in location.
As an improvement of the battery box of the present invention, the height of the sealing protrusion is smaller than the depth of the matching groove and the top end of the sealing protrusion is formed to be used for accommodating the sealing groove of the second sealing portion, and the depth of the sealing groove is smaller than the thickness of the second sealing portion.
As an improvement of the battery box of the present invention, the lower connecting portion and the upper connecting portion are close to each other and sealed with each other on the surface.
As an improvement of the utility model, go up connecting portion and seted up a plurality of last connecting holes, connecting portion seted up down a plurality of with go up the lower connecting hole of connecting hole one-to-one, pass through the bolt go up the connecting hole with lower connecting hole will go up connecting portion with lower connecting portion connect fixedly.
As an improvement of the battery box of the utility model, the box body and the box cover are all formed by pressing aluminum alloy materials.
Compared with the prior art, the utility model provides a battery box's beneficial effect lies in: through connecting portion and cooperation portion on the case lid sets up to and set up down connecting portion and with cooperation portion complex cooperation groove on the box, and the cooperation inslot is equipped with sealed arch, comes to sealed effect through the joint action of last connecting portion and lower connecting portion with the inseparable laminating of sealing washer with sealed bellied, sealing performance is better and simple structure again.
[ description of the drawings ]
Fig. 1 is a three-dimensional exploded view of the battery box of the present invention;
FIG. 2 is an enlarged view of area A of FIG. 1;
FIG. 3 is an enlarged view of area B of FIG. 1;
fig. 4 is a perspective view of the cover shown in fig. 1.
[ detailed description ] embodiments
In order to make the objects, technical solutions and advantageous technical effects of the present invention more clearly understood, the present invention is further described in detail with reference to the accompanying drawings and the following detailed description. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration only and not by way of limitation.
Referring to fig. 1 to 4, the present invention provides a battery box 100, which is mainly used for improving a sealing structure of the battery box 100.
In the embodiment of the present invention, the battery box 100 includes a box body 10, a box cover 20 engaged with the box body 10, and a sealing ring 30 pressed between the box body 10 and the box cover 20. The box cover 20 includes an upper bottom wall 201 and an upper side wall 202 formed by extending from an edge of the upper bottom wall 201, and an end of the upper side wall 202 away from the upper bottom wall 201 is provided with a fitting portion 203 and an upper connecting portion 204 surrounding an outer side of the fitting portion 203. The box body 10 comprises a lower bottom wall 101 and a lower side wall 102 formed by extending from the edge of the lower bottom wall 101, wherein one end of the lower side wall 102 far away from the lower bottom wall 101 is provided with a matching groove 103 for accommodating a matching part 203 and a lower connecting part 104 which surrounds the outer side of the lower side wall 102 and is used for connecting an upper connecting part 204; the inner wall of the matching groove 103 protrudes to form a sealing protrusion 105 for abutting against the sealing ring 30, the sealing ring 30 is sleeved outside the matching part 203 and tightly attached to the sealing protrusion 105 after the lower connecting part 104 is connected with the upper connecting part 104, so that the aim of sealing connection between the box body 10 and the box cover 20 is fulfilled, the structure is simple, and production and manufacturing are facilitated.
In the present embodiment, the case body 10 and the case cover 20 are both formed by pressing aluminum alloy materials, so that the case body 10 and the case cover 20 both have good mechanical strength and good heat dissipation performance.
In one embodiment, the cross section of the sealing ring 30 is L-shaped and includes a first annular sealing portion 301 and a second annular sealing portion 302 formed by extending from an outer side of one end of the first annular sealing portion 301, the first annular sealing portion 301 is sleeved on an outer side of the fitting portion 203 and is pressed between the fitting portion 203 and the sealing protrusion 105, and the second annular sealing portion 302 is pressed between the upper connecting portion 204 and the sealing protrusion 105, it can be understood that the first annular sealing portion 301 and the second annular sealing portion 302 enable the sealing ring 30 to seal a connecting portion between the box body 10 and the box cover 20 in two different directions, and the sealing effect can be effectively improved.
Further, the first sealing portion 301 and the matching portion 203 are in interference fit, and meanwhile, in order to facilitate the first sealing portion 301 to enter the matching groove 103 along with the matching portion 203 and to be pressed between the matching portion 203 and the sealing protrusion 105, the thickness of the first sealing portion 301 gradually increases from one end of the first sealing portion 301, which is far away from the second sealing portion 302, to the direction close to the second sealing portion 302, so when the box cover 20 is mounted on the box body 10, the matching portion 203 sleeved with the sealing ring 30 enters the matching groove 103 more easily, and the first sealing portion 301 is deformed more easily after being pressed between the matching portion 203 and the sealing protrusion 105, so that the sealing effect of the first sealing portion 301 is better.
Preferably, the outer side of the first sealing part 301 is further protruded to form a plurality of spacing protrusions 3011 arranged at intervals, correspondingly, the sealing bulge 105 is provided with a plurality of limiting grooves 1051 which are matched with the limiting bulges 3011 one by one, on one hand, the limiting bulges 3011 can play a role in positioning, that is, the limit protrusion 3011 and the limit groove 1051 are matched to make the seal ring 30 and the seal protrusion 105 stick together, so as to achieve the purpose of convenient installation, meanwhile, the sealing ring 30 is not easy to shift and misplace under the extrusion action of the box body 10 and the box cover 20, on the other hand, the limiting bulge 3011 can play a role of a reinforcing rib, so that the deformation amount of the sealing ring 30 at various positions after being pressed by the case body 10 and the case cover 20 can be kept consistent, for example, during the installation process, the individual parts of the sealing ring 30 will not be deformed greatly due to the large force, so that the sealing effect of the sealing ring 30 can be provided.
Further, the height of the sealing protrusion 105 is smaller than the depth of the mating groove 103, and a sealing groove 1031 for accommodating the second sealing portion 302 is formed at the top end of the sealing protrusion 105, and the depth of the sealing groove 1031 is smaller than the thickness of the second sealing portion 302, so that the second sealing portion 302 can be deformed to a certain extent under the pressing action of the upper connecting portion 204 and the sealing protrusion 105, thereby improving the sealing effect of the second sealing portion 302.
Preferentially, the second sealing portion 302 is used for abutting against one side of the upper connecting portion 204 to form a plurality of positioning protrusions 3021 in a protruding manner, correspondingly, one side of the upper connecting portion 204 used for abutting against the second sealing portion 302 is concavely provided with a plurality of positioning grooves 2041 which are matched with the positioning protrusions 3021 one by one, and thus through the matching of the positioning protrusions 3021 and the positioning grooves 2041, the limiting protrusions 3011 of the first sealing portion 301 can be in one-to-one correspondence with the limiting grooves 1051 on the sealing protrusions 105 after the sealing ring 30 is sleeved on the matching portion 203, so that the assembly of the battery box 100 is facilitated, the assembly time of the battery box 100 can be reduced, and the production cost of the battery box 100 is further reduced.
Furthermore, the surfaces of the lower connecting portion 104 and the upper connecting portion 204 that are engaged with each other are coated with a sealant (not shown), so that the sealing performance of the battery box 100 can be further improved. Meanwhile, the upper connecting portion 204 is provided with a plurality of upper connecting holes 2042, the lower connecting portion 104 is provided with a plurality of lower connecting holes 1041 corresponding to the upper connecting holes 2042 one by one, and the upper connecting portion 204 and the lower connecting portion 104 are fixedly connected by bolts penetrating through the upper connecting holes 2042 and the lower connecting holes 1041, so that the lower connecting portion 104 and the upper connecting portion 204 can respectively drive the box cover 20 and the box body 10 to extrude and sleeve the sealing ring 30 on the matching portion 203.
When the battery box 100 provided by the utility model is assembled,
firstly, the sealing ring 30 is sleeved outside the matching groove 103, the positioning protrusions 3021 on the second sealing part 302 are matched with the positioning grooves 2041 on the upper connecting part 204 one by one, and the second sealing part 302 and the upper connecting part 204 are completely attached together;
then, the sealant is coated on the surfaces of the lower connecting part 104 and the upper connecting part 204 which are close to each other;
then, the case cover 20 is covered on the case body 10, the matching part 203 of the case cover 20 is inserted into the matching groove 103 of the case body 10 through the matching of the limiting protrusion 3011 and the limiting groove 1051, and in the process, the case cover 20 can be knocked by a hand tool such as a rubber hammer and the like until the second sealing part 302 of the sealing ring 30 is attached to the surface of the sealing protrusion 105, so that the sealing ring 30 can be completely attached to the sealing protrusion 105;
finally, the upper connection portion 204 and the lower connection portion 104 are connected and fixed by bolts passing through the upper connection holes 2042 and the lower connection holes 1041, and the assembly of the battery box 100 is completed.
To sum up, the utility model provides a battery box 100 sets up connecting portion 204 and cooperation portion 203 through at case lid 20 to and set up down connecting portion 104 on box 10 and with cooperation portion 203 complex cooperation groove 103, and be equipped with sealed arch 105 in the cooperation groove 103, come to sealed effect, the sealing performance is better and simple structure with the inseparable laminating of sealing washer 30 and sealed arch 105 through the connection effect of last connecting portion 204 and lower connecting portion 104 again.
The invention is not limited solely to that described in the specification and the embodiments, and additional advantages and modifications will readily occur to those skilled in the art, and it is not intended to be limited to the specific details, representative apparatus, and illustrative examples shown and described herein, without departing from the spirit and scope of the general concept as defined by the appended claims and their equivalents.
Claims (10)
1. A battery box, its characterized in that: the box comprises a box body, a box cover matched with the box body and a sealing ring pressed between the box body and the box cover; the box cover comprises an upper bottom wall and an upper side wall formed by extending from the edge of the upper bottom wall, and one end of the upper side wall, which is far away from the upper bottom wall, is provided with a matching part and an upper connecting part surrounding the outer side of the matching part; the box body comprises a lower bottom wall and a lower side wall formed by extending from the edge of the lower bottom wall, wherein one end of the lower side wall, which is far away from the lower bottom wall, is provided with a matching groove for accommodating the matching part and a lower connecting part which surrounds the outer side of the lower side wall and is used for connecting the upper connecting part; the inner wall of the matching groove is protruded to form a sealing protrusion for abutting against the sealing ring, and the sealing ring is sleeved on the outer side of the matching part and tightly attached to the sealing protrusion under the connection effect of the lower connecting part and the upper connecting part.
2. The battery box according to claim 1, characterized in that: the cross section of the sealing ring is L-shaped and comprises an annular first sealing part and a second sealing part formed by extending from the outer side of one end of the first sealing part, the first sealing part is sleeved on the outer side of the matching part and pressed between the matching part and the sealing bulge, and the second sealing part is pressed between the upper connecting part and the sealing bulge.
3. The battery box according to claim 2, characterized in that: the outer side of the first sealing part is further protruded to form a plurality of limiting protrusions arranged at intervals, and the sealing protrusions are provided with a plurality of limiting grooves matched with the limiting protrusions one by one.
4. The battery box according to claim 2, characterized in that: the first sealing part is in interference fit with the matching part.
5. The battery box according to claim 2, characterized in that: the thickness of the first sealing portion gradually increases in a direction from an end of the first sealing portion away from the second sealing portion to the second sealing portion.
6. The battery box according to claim 2, characterized in that: the second sealing portion is used for abutting against one side of the upper connecting portion to form a plurality of positioning bulges in a protruding mode, correspondingly, one side of the upper connecting portion, which is used for abutting against the second sealing portion, is concavely provided with a plurality of positioning grooves matched with the positioning bulges one by one.
7. The battery box according to claim 2, characterized in that: the height of the sealing bulge is smaller than the depth of the matching groove, a sealing groove used for containing the second sealing part is formed at the top end of the sealing bulge, and the depth of the sealing groove is smaller than the thickness of the second sealing part.
8. The battery box according to claim 1, characterized in that: and the surfaces of the lower connecting part and the upper connecting part, which are close to each other, are coated with sealing glue.
9. The battery box according to claim 1, characterized in that: the upper connecting part is provided with a plurality of upper connecting holes, the lower connecting part is provided with a plurality of lower connecting holes in one-to-one correspondence with the upper connecting holes, and the upper connecting part and the lower connecting part are fixedly connected through bolts penetrating through the upper connecting holes and the lower connecting holes.
10. The battery box according to claim 1, characterized in that: the box body and the box cover are both formed by pressing aluminum alloy materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021037682.0U CN212848615U (en) | 2020-06-05 | 2020-06-05 | Battery box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021037682.0U CN212848615U (en) | 2020-06-05 | 2020-06-05 | Battery box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212848615U true CN212848615U (en) | 2021-03-30 |
Family
ID=75171783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021037682.0U Active CN212848615U (en) | 2020-06-05 | 2020-06-05 | Battery box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212848615U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116053673A (en) * | 2023-04-03 | 2023-05-02 | 深圳市明电环球科技有限公司 | Waterproof sealing structure for packaging lithium ion battery |
| CN116231189A (en) * | 2023-05-04 | 2023-06-06 | 宁德时代新能源科技股份有限公司 | Box, battery and electric equipment |
-
2020
- 2020-06-05 CN CN202021037682.0U patent/CN212848615U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116053673A (en) * | 2023-04-03 | 2023-05-02 | 深圳市明电环球科技有限公司 | Waterproof sealing structure for packaging lithium ion battery |
| CN116231189A (en) * | 2023-05-04 | 2023-06-06 | 宁德时代新能源科技股份有限公司 | Box, battery and electric equipment |
| CN116231189B (en) * | 2023-05-04 | 2023-09-22 | 宁德时代新能源科技股份有限公司 | Box, battery and electric equipment |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |