CN214378672U - Battery distribution box seal structure and battery - Google Patents
Battery distribution box seal structure and battery Download PDFInfo
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- CN214378672U CN214378672U CN202120647502.9U CN202120647502U CN214378672U CN 214378672 U CN214378672 U CN 214378672U CN 202120647502 U CN202120647502 U CN 202120647502U CN 214378672 U CN214378672 U CN 214378672U
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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 lithium cell discloses a battery distribution box seal structure, casing (2) under casing (1) and the distribution box on the distribution box, casing (2) form under casing (1) and the distribution box on the distribution box forms the shell structure who has the open end, a serial communication port, be equipped with on the open end terminal surface of casing (2) under the distribution box or integrative the bulge (21) that has formed, the medial surface of bulge (21) and casing (2) under the distribution box are flat mutually, the lateral surface of bulge (21) forms bulge slope plane (22) of following the inside slope that makes progress down, the lateral surface of bulge (21) is suitable for to paste and leans on casing (1) medial surface on the distribution box, perhaps the lateral surface of bulge (21) and casing (1) medial surface on the distribution box form gappedly between. Additionally, the utility model also discloses a battery including battery block terminal seal structure. The utility model discloses a battery block terminal seal structure's simple structure, water-proof effects is good, and the security performance is high.
Description
Technical Field
The utility model relates to a battery, in particular to battery block terminal seal structure. Furthermore, the utility model discloses still relate to one kind and include battery distribution box seal structure's battery.
Background
At present, the development of new energy automobiles in the world forms a consensus, in the long term, pure electric driving including pure electric and fuel cell technologies is the main technical direction of the new energy automobiles, and in the short term, oil-electricity hybrid and plug-in hybrid power are important transition routes. The emergence of new energy automobiles undoubtedly brings hope to the countries with increasingly tense energy.
With the continuous development of new energy automobile technology, the advantages of new energy automobiles are increasingly shown, but the safety performance of the existing new energy automobiles cannot meet the requirements, and particularly the new energy automobiles are used as batteries of the new energy automobiles. When the battery is used, the situation of water inflow is inevitable, the battery distribution box in the conventional battery pack basically does not have the water-spraying resistance, and when the battery pack is filled with water, the battery distribution box in the battery pack is very easy to spray water, so that the danger of high-voltage short circuit is very easy to cause.
Therefore, there is a need to design a battery distribution box sealing structure to solve or overcome the above technical problems.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model discloses a technical problem that the aspect will be solved provides a battery distribution box seal structure, this battery distribution box seal structure's simple structure, and the installation is effectual.
Furthermore, the utility model discloses the technical problem that another aspect will solve provides a battery, the simple structure of the battery block terminal seal structure of this battery, and the installation is effectual.
In order to achieve the above object, an aspect of the present invention provides a battery distribution box sealing structure, including casing under casing and the distribution box on the distribution box, casing on the distribution box with casing structure that casing formation is become to have the open end under the distribution box, be equipped with or integrated into one piece has the bulge under the distribution box on the opening end terminal surface of casing, the medial surface of bulge with the medial surface of casing is flat under the distribution box, the lateral surface of bulge forms to follow the bulge tilt plane of upwards leanin down, the lateral surface of bulge is suitable for to paste and leans on distribution box upper shell inside, perhaps the lateral surface of bulge with be formed with the clearance between the casing medial surface on the distribution box.
Further, the inner side surface of the open end of the distribution box upper housing is formed as a vertical plane or an inclined plane inclined from the outside to the inside.
Further, the inclined plane of the projection is parallel to the inclined plane of the inner side surface of the opening end of the upper shell of the distribution box.
Further, the inner edge of the open end face of the distribution box upper shell is suitable for being abutted against the lower edge of the inclined plane of the protruding part.
Further, the end face of the projection is formed as a flat surface or a curved surface projecting outward.
Furthermore, a transition surface is formed between the end surface of the protruding part and the outer side surface of the protruding part.
Furthermore, a sealing structure is arranged between the lower shell of the distribution box and the upper shell of the distribution box.
Furthermore, a limiting and retaining structure is further arranged on the outer side face of the protruding portion.
Further, spacing stopping structure includes that the plane that the outside terminal surface leaned out from making progress down, and the up end of this spacing stopping structure forms the plane, the distribution box go up the casing with be formed with the draw-in groove that is suitable for this spacing stopping structure card to go into on the face that spacing stopping structure is relative.
In addition, the utility model discloses another aspect still provides a battery, includes according to any one of above-mentioned technical scheme battery block terminal seal structure.
Compared with the prior art, battery block terminal seal structure have following advantage:
battery block terminal seal structure in, be formed with the bulge under the block terminal on the terminal surface of casing, and the lateral surface of this bulge forms the bulge tilt plane of upwards leanin from down, this bulge tilt plane can paste or be formed with the medial surface of the open end of casing on the block terminal and be formed with the clearance, thereby can guarantee when block terminal casing and block terminal casing installation back together down, when the block terminal takes place the trickle, the inside of block terminal is infiltrated in the overlap joint position of casing under water can not followed block terminal casing and the block terminal, guarantee safe in utilization.
Through the technical scheme, the utility model discloses a battery block terminal seal structure includes casing under block terminal upper casing and the block terminal that the base plate includes, block terminal upper casing with the block terminal casing forms the shell structure for having the open end down, be equipped with or be formed with the bulge on the opening end terminal surface of casing under the block terminal, the medial surface of bulge with the medial surface of casing is flat under the block terminal, the lateral surface of bulge forms to follow the bulge tilt plane of upwards leanin down, the lateral surface of bulge is suitable for to paste and leans on block terminal upper casing inside, perhaps the lateral surface of bulge with be formed with the clearance between block terminal upper casing medial surface. The utility model discloses an among the battery block terminal seal structure, through set up or integrated formation bulge under the block terminal on the open end terminal surface of casing, and, the lateral surface of this bulge forms the plane that upwards leaned in from down, can guarantee the block terminal in the use, when the trickle phenomenon appears, the overlap joint position infiltration of casing and block terminal casing under the water can not followed the block terminal, even when having a small amount of water to infiltrate, also can flow down along the outside face of bulge, be difficult for entering into inside the block terminal along the bulge, moreover, the steam generator is simple in structure, and the security performance is high.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic structural view of a specific example of a sealing structure of a battery distribution box according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an embodiment of a lower case of a distribution box according to an embodiment of the present invention;
fig. 3 is a partially enlarged schematic view of a first embodiment of a projection according to an embodiment of the present invention;
fig. 4 is a partially enlarged schematic view of a second embodiment of a projection according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a third specific example of the protruding portion according to the embodiment of the present invention.
Description of the reference numerals
1 upper case of distribution box and 2 lower case of distribution box
21 projection 22 projection inclined plane
3 sealing ring
Detailed Description
In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.
It is to be understood that, unless expressly stated or limited otherwise, the terms "connected," "mounted," and "contacting" are intended to be open-ended, i.e., connected as either a fixed or removable connection or an integral connection; the components may be directly connected or indirectly connected through an intermediate medium, or the components may be connected through an intermediate medium or the components may be in an interactive relationship with each other. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The present invention will be described in detail with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 to 3, an aspect of the present invention provides a battery distribution box sealing structure, including distribution box upper casing 1 and distribution box lower casing 2, distribution box upper casing 1 and distribution box lower casing 2 are formed into a casing structure with an open end, a protruding portion 21 is provided or integrally formed on an end face of the open end of distribution box lower casing 2, a medial surface of protruding portion 21 is flush with a medial surface of distribution box lower casing 2, a lateral surface of protruding portion 21 is formed into a protruding portion inclined plane 22 that is inclined inward from bottom to top, a lateral surface of protruding portion 21 is suitable for being attached to a medial surface of distribution box upper casing 1, or a gap is formed between the lateral surface of protruding portion 21 and the medial surface of distribution box upper casing 1.
As can be seen from figure 3, among the battery block terminal seal structure, casing 2 under casing 1 and the block terminal on the block terminal, casing 2 all forms to have open-ended shell structure under casing 1 and the block terminal on the block terminal, casing 2's open end is connected under current block terminal upper casing 1 and the block terminal, forms the block terminal commonly used to the block terminal generally sets up the inside at the battery package, the block terminal phenomenon of intaking all can not appear under the normal use condition. However, the situation that a small amount of accumulated water enters the distribution box after the water enters the battery pack cannot be eliminated, and the situation that a short circuit is easily caused after the small amount of accumulated water enters the distribution box easily causes potential safety hazards. Generally, sealing rings can be arranged at the interface ends of the upper shell 1 and the lower shell 2 of the distribution box, a sealing groove needs to be processed at the opening end of the upper shell 1 or the lower shell 2 of the distribution box, the sealing rings are arranged in the sealing groove, and then the upper shell 1 and the lower shell 2 of the distribution box are installed, although a sealing structure can be formed between the upper shell 1 and the lower shell 2 of the distribution box, so that the distribution box is not easy to enter water in use. However, this structure will undoubtedly increase the production and assembly processes, raising the production cost. And in the utility model discloses an among the battery block terminal seal structure, be equipped with or be formed with bulge 21 on the opening end terminal surface of casing 2 under the electricity box to the lateral surface of this bulge 21 forms the bulge inclined plane 22 of from upwards leanin down. Preferably, the inclined plane 22 of the protruding part is a plane inclined inwards from bottom to top, the inner side surface of the opening end of the upper shell 1 of the distribution box is a vertical plane extending along the up-down direction, when the opening ends of the upper shell 1 of the distribution box and the lower shell 2 of the distribution box are installed, as shown in fig. 3, a wedge-shaped gap is formed between the protruding part 21 and the upper shell 1 of the distribution box, and the opening width of the wedge-shaped gap is gradually increased from bottom to top, therefore, when a small amount of accumulated water seeps, the protruding part 21 can not only block the entering of the accumulated water, but also because of the wedge-shaped gap, the accumulated water is not easy to seep into the distribution box slowly from the gap between the two, the accumulated water easily flows downwards along the inclined plane 22 of the protruding part due to the action of gravity, thereby ensuring that the accumulated water cannot seep into the inside of the distribution box slowly upwards along the gap between the upper shell 1 of the distribution box and the lower shell 2 of the distribution box, the internal short circuit of the distribution box is caused, the structure is simple, and the safety performance is high.
Meanwhile, it is also conceivable that the projection inclined plane 22 may be formed not only as a plane inclined inward from bottom to top but also as a curved surface, and the curved surface may extend outward from bottom to top and then extend inward and upward, i.e., a central region of the curved surface protrudes outward, and may also prevent standing water from entering the inside of the distribution box. Of course, the inclined plane 22 of the protruding portion may also be formed in other structural forms, so long as it satisfies the plane or curved surface having the inward inclination trend from bottom to top, which all belong to the protection scope of the present invention.
Preferably, the protruding portion 21 of the present invention is integrally formed with the distribution box lower case 2.
Further, the inner side surface of the open end of the distribution box upper case 1 is formed as a vertical plane or an inclined plane inclined from the outside to the inside.
While the inner side surface of the opening end of the upper shell 1 of the distribution box matched with the inner side surface of the opening end of the upper shell 1 of the distribution box is inclined from bottom to top inwards, the inner side surface of the opening end of the upper shell 1 of the distribution box forms an inclined plane which is vertical to the inner side surface or inclined from outside to inside, the inclined angle of the inclined plane can be the same as that of the inclined plane 22 of the protrusion part or smaller than that of the inclined plane 22 of the protrusion part, and therefore the inner side surface of the opening end of the upper shell 1 of the distribution box can form a wedge-shaped gap which is small at the bottom and large at the top with the inclined plane 22 of the protrusion part.
Further, the projection inclined plane 22 is parallel to the inclined plane of the inner side surface of the open end of the distribution box upper case 1, but even if the projection inclined plane 22 is parallel to the inclined plane of the inner side surface of the open end of the distribution box upper case 1, a gap is preferably formed between the projection inclined plane 22 and the inner side surface of the open end of the distribution box upper case 1, so that seeper is prevented from infiltrating.
Further, the inner edge of the open end face of the distribution box upper case 1 is adapted to abut against the lower edge of the projection inclined plane 22. When the inclined plane 22 of the protruding part is formed into a plane which is inclined inwards from bottom to top and the inner side surface of the opening end of the shell 1 on the distribution box is formed into a vertical plane, the inner edge of the end surface of the opening end of the shell 1 on the distribution box coincides with the root of the inclined plane 22 of the protruding part, and the installation and the positioning are convenient.
Further, the end face of the projecting portion 21 is formed as a flat surface or a curved surface projecting outward.
Furthermore, a transition surface is formed between the end surface of the protruding portion 21 and the outer side surface of the protruding portion 21, which depends on the actual processing technology.
Further, a sealing structure is arranged between the distribution box lower shell 2 and the distribution box upper shell 1. In order to better prevent the accumulated water from permeating into the distribution box, a sealing structure, which may be a sealing ring 3 or a sealing rubber strip, may be further disposed between the lower casing 2 of the distribution box and the upper casing 1 of the distribution box, preferably, a sealing ring 3 is disposed, as shown in fig. 4, the sealing ring 3 may be disposed on the end surface of the upper casing 1 of the distribution box or the end surface of the open end of the lower casing 2 of the distribution box, so as to ensure that the accumulated water as little as possible enters the protruding portion 21. Of course, other sealing structures may be used to ensure a sealed connection between the distribution box lower housing 2 and the distribution box upper housing 1. In addition, the position of seal structure is not limited to setting up on the terminal surface of the open end of casing 2 under block terminal upper housing 1 or the block terminal, can also be when the medial surface of the open end of casing 1 forms the parallel surface on bulge inclined plane 22 and block terminal, set up on bulge inclined plane 22 or the medial surface of the open end of casing 1 on the block terminal, adopt sealing washer 3 or joint strip to carry out sealing connection, also belong to the utility model discloses a protection scope.
Furthermore, a limiting and retaining structure is further arranged on the outer side surface of the protruding portion 21.
Furthermore, the outer side end face of the limiting retaining structure is formed into a plane or a numerical plane which is inclined outwards from bottom to top, the upper end face of the limiting retaining structure is formed into a plane, and a clamping groove suitable for clamping the limiting retaining structure is formed in the surface, opposite to the limiting retaining structure, of the power distribution box upper shell 1.
As shown in fig. 5, an organic whole is equipped with or is formed with spacing stopping structure on the lateral surface of bulge 21 integratively, simultaneously, then the corresponding draw-in groove that is formed with on the medial surface of casing 1 on the block terminal, when casing 1 was installed under the block terminal on casing 2, this spacing stopping structure can block in the draw-in groove, form spacing and location, of course, the utility model discloses a spacing stopping structure can also form into other structural style, if, can also be formed with the blind hole on the lateral surface of bulge 21, is equipped with the spring in this blind hole, and spacing steel ball is supported and is leaned on spacing steel ball, and spacing steel ball can round trip movement in the blind hole, and this spacing stopping structure is suitable for use when the distance is less between the medial surface of casing 1 on bulge 21 and the block terminal, also can realize the spacing stopping effect of casing 1 on the block terminal.
In addition, the utility model discloses another aspect still provides a battery, its characterized in that includes according to any one of above-mentioned technical scheme battery block terminal seal structure.
As described above, the utility model discloses a battery distribution box seal structure includes casing 1 under the distribution box and the casing 2 under the distribution box, casing 1 on the distribution box with casing 2 forms the shell structure who has the open end under the distribution box, be equipped with or be formed with bulge 21 on the opening end terminal surface of casing 2 under the distribution box, the medial surface of bulge 21 with the medial surface of casing 2 is levelled under the distribution box, the lateral surface of bulge 21 forms the bulge tilt plane 22 of upwards leanin from down, the lateral surface of bulge 21 is suitable for to paste and leans on casing 1 medial surface on the distribution box, perhaps the lateral surface of bulge 21 with be formed with the clearance between casing 1 medial surface on the distribution box. The utility model discloses an among the battery block terminal seal structure, utilize under the block terminal the open end of casing 2 to form bulge 21 to the lateral surface of this bulge 21 forms the bulge slope plane 22 of upwards leanin from down, and this bulge 21 can insert the inboard of casing 1 on the block terminal, thereby forms better waterproof construction, and, this structure does not increase manufacturing cost, and waterproof performance is higher, and the security performance is high.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a battery distribution box seal structure, includes casing (2) under distribution box upper casing (1) and the distribution box, casing (1) under the distribution box and casing (2) are formed into the shell structure who has the open end under the distribution box, its characterized in that, be equipped with on the open end terminal surface of casing (2) under the distribution box or integrated into one piece have bulge (21), the medial surface of bulge (21) with the medial surface of casing (2) is flat under the distribution box, the lateral surface of bulge (21) forms bulge inclined plane (22) of from upwards inwards inclining down, the lateral surface of bulge (21) is suitable for to paste and lean on casing (1) medial surface on the distribution box, perhaps the lateral surface of bulge (21) with be formed with the clearance between casing (1) medial surface on the distribution box.
2. The battery distribution box sealing structure according to claim 1, wherein an inner side surface of the open end of the distribution box upper case (1) is formed as a vertical plane or an inclined plane inclined from the outside to the inside.
3. The battery distribution box sealing structure according to claim 2, wherein the projection inclined plane (22) is parallel to an inclined plane of an inner side surface of the open end of the distribution box upper case (1).
4. The battery distribution box sealing structure according to claim 2, wherein an inner edge of the open end face of the distribution box upper housing (1) is adapted to abut against a lower edge of the projection inclined plane (22).
5. The battery distribution box sealing structure according to claim 1, wherein the end face of the projection (21) is formed as a flat surface or a curved surface projecting outward.
6. The battery distribution box sealing structure according to claim 5, wherein a transition surface is formed between an end surface of the protruding portion (21) and an outer side surface of the protruding portion (21).
7. The battery distribution box sealing structure according to any one of claims 1 to 6, characterized in that a sealing structure is further provided between the distribution box lower case (2) and the distribution box upper case (1).
8. The battery distribution box sealing structure according to any one of claims 1 to 6, wherein a limit backstop structure is further provided on an outer side surface of the protruding portion (21).
9. The battery distribution box sealing structure according to claim 8, wherein the limit stopping structure comprises a plane with an outer end face inclined outwards from bottom to top, an upper end face of the limit stopping structure is formed into a plane, and a clamping groove suitable for the limit stopping structure to be clamped is formed on a face, opposite to the limit stopping structure, of the distribution box upper shell (1).
10. A battery comprising a battery distribution box sealing structure according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120647502.9U CN214378672U (en) | 2021-03-30 | 2021-03-30 | Battery distribution box seal structure and battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120647502.9U CN214378672U (en) | 2021-03-30 | 2021-03-30 | Battery distribution box seal structure and battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214378672U true CN214378672U (en) | 2021-10-08 |
Family
ID=77973767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120647502.9U Active CN214378672U (en) | 2021-03-30 | 2021-03-30 | Battery distribution box seal structure and battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214378672U (en) |
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2021
- 2021-03-30 CN CN202120647502.9U patent/CN214378672U/en active Active
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