CN217823047U - Battery box and battery device - Google Patents
Battery box and battery device Download PDFInfo
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- CN217823047U CN217823047U CN202220827714.XU CN202220827714U CN217823047U CN 217823047 U CN217823047 U CN 217823047U CN 202220827714 U CN202220827714 U CN 202220827714U CN 217823047 U CN217823047 U CN 217823047U
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- frame
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- battery box
- battery
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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 technology field discloses a battery box and battery device for solve the battery box that exists among the prior art and produce the gap easily in the junction between frame and frame, influence the problem of whole leakproofness. The battery box comprises a first frame and a second frame, wherein the first frame and the second frame are arranged in an intersecting manner and are connected to form a part of a frame body for accommodating batteries; the link of first frame and the link of second frame are including the binding face of relative setting, and the edge of the binding face of first frame and/or the edge of the binding face of second frame are provided with the breach, and the breach forms the cavity that holds sealed glue between first frame and second frame.
Description
Technical Field
The utility model relates to a battery technology field especially relates to a battery box and battery device.
Background
The battery box requires to have good leakproofness for the box structure that holds the battery to completely cut off box internal environment and external environment mutually, avoid steam, dust among the external environment to get into and exert an influence to the battery after the box is inside. Structurally, the battery box comprises a plurality of frames, the frames are connected to form a frame, a gap is easily generated between two adjacent frames, the tightness of the battery box is affected, and potential safety hazards exist in the use process of the battery.
SUMMERY OF THE UTILITY MODEL
The utility model provides a battery box and battery device for solve the battery box that exists among the prior art and produce the gap easily in the junction between frame and frame, influence the problem of whole leakproofness.
In a first aspect, an embodiment of the present invention provides a battery box, which includes a first frame and a second frame, wherein the first frame is located at an end of the battery box, the second frame is located at a side of the battery box, and the first frame and the second frame are connected to form a part of the battery box;
the connecting end of the first frame and the connecting end of the second frame comprise oppositely-arranged binding faces, the edge of the binding face of the first frame and/or the edge of the binding face of the second frame are provided with notches, and the notches are formed between the first frame and the second frame to form a cavity for accommodating a sealant.
The utility model discloses beneficial effect as follows:
in this battery box, first frame and second frame form the part that is used for holding the framework of battery after connecting, the gap that exists to the junction of first frame and second frame, the binding face's of first frame edge and/or the binding face's of second frame edge are provided with the breach, the breach can form the cavity that holds sealed glue between first frame and first frame, the gap between sealed first binding face and the second binding face can be sealed after the sealed glue of intussuseption in the cavity, block steam among the external environment, dust etc. get into the battery box inside through the gap, play sealed effect.
In a second aspect, an embodiment of the present invention provides a battery device, which includes the above technical solution, wherein the battery box and the battery disposed in the battery box are provided.
The utility model discloses beneficial effect as follows:
in this battery device, the first frame and the second frame of battery box are alternately and connect the setting, the link of first frame and the link of second frame all include the binding face of relative setting, wherein, the edge of the binding face of first frame and/or the edge of the binding face of second frame are provided with the breach, the breach can form the cavity that holds sealed glue between first frame and first frame, can seal the gap between first binding face and the second binding face behind the sealed glue of cavity intussuseption, block the steam among the external environment, the dust etc. gets into inside the battery box through the gap, play sealed effect.
Drawings
Fig. 1 is an exploded view of the first frame and the second frame according to an embodiment of the present invention;
FIG. 2 is an assembled schematic view of the first bezel and the second bezel shown in FIG. 1;
FIG. 3 is a left side view of the first bezel and the second bezel shown in FIG. 1;
fig. 4 is a left side view of another first frame and a second frame provided by the embodiment of the present invention;
fig. 5 is a schematic view of a combination of notches according to an embodiment of the present invention;
fig. 6 is a schematic combination diagram of another notch according to an embodiment of the present invention;
fig. 7 is a schematic view of a combination of a notch and a sealant groove according to an embodiment of the present invention;
fig. 8 is a schematic view of another combination of a notch and a sealant groove according to an embodiment of the present invention.
Reference numerals:
10 a-a first frame; 10 b-a second frame; 101-a binding face; 20-notch; 20 a-a first gap; 20 b-a second notch; 20 c-third gap; 30-sealing glue groove; 30 a-a first sealant groove; 30 b-a second sealant groove; 30 c-a third sealant groove; 30 d-a fourth sealant tank; 40-fasteners.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a battery box for solve the battery box that exists among the prior art and produce the gap easily in the junction between frame and frame, influence the problem of whole leakproofness.
As shown in fig. 1, 2 and 3, the battery box comprises a first frame 10a and a second frame 10b, wherein the first frame 10a is positioned at the end part of the battery box, the second frame 10b is positioned at the side part of the battery box, and the first frame 10a and the second frame 10b are connected to form a part of the battery box;
the link of first frame 10a and the link of second frame 10b include the binding face 101 of relative setting, and the edge of the binding face 101 of first frame 10a and/or the edge of the binding face 101 of second frame 10b are provided with breach 20, and breach 20 forms the sealed recessed cavity that glues that holds between first frame 10a and second frame 10b.
It should be noted that the first frame 10a and the second frame 10b are only a part of the battery box, and the battery box includes other frames besides the first frame 10a and the second frame 10b, and the sealing manner between the different frames will be described by taking the first frame 10a and the second frame 10b as an example.
Specifically, the first frame 10a is located at an end of the battery box, the second frame 10b is located at a side of the battery box, the connecting end of the first frame 10a and the connecting end of the second frame 10b include oppositely disposed attaching surfaces 101, when the connecting ends are connected, the attaching surfaces 101 of the first frame 10a and the attaching surfaces 101 of the second frame 10b are attached to each other, and at the same time, the first frame 10a and the second frame 10b may be fixed by a connecting member, such as a fastening member 40, such as a bolt or a screw, to ensure that the battery pack has a certain structural strength, or the first frame 10a and the second frame 10b may be fixed by other methods, such as welding.
In order to realize sealing at the joint of the first frame 10a and the second frame 10b, a notch 20 is arranged at the edge of at least one of the attaching surface 101 of the first frame 10a and the attaching surface 101 of the second frame 10b, after the attaching surface 101 of the first frame 10a and the attaching surface 101 of the second frame 10b are attached to each other, the notch 20 forms a cavity between the first frame 10a and the second frame 10b, and after the cavity is filled with a sealant, the gap between the first frame 10a and the second frame 10b can be sealed, so that the sealing effect is realized.
Specifically, regarding the position of the notch 20, the notch 20 is disposed at the edge of the bonding surface 101, and it can also be understood that the notch 20 is disposed at the joint of the bonding surface 101 and another surface, where the bonding surface 101 may refer to the bonding surface 101 of the first frame 10a or the bonding surface 101 of the second frame 10b, and the other surface refers to a surface connected to the bonding surface 101, such as a top surface, a bottom surface, an inner side surface, or an outer side surface, and taking the bonding surface 101 as a quadrangle as an example, the notch 20 may be disposed at the top edge, the bottom edge, the inner side edge, or the outer side edge of the bonding surface 101, where the inner side edge is a side edge close to the cavity of the battery box and the outer side edge is a side edge far from the cavity of the battery box; as for the structure of the notch 20, as shown in fig. 4, the surface corresponding to the notch 20 may be an inclined plane, the cavity formed by the notch 20 is a V-shaped cavity, and the surface corresponding to the notch 20 may also be a bending surface formed by connecting multiple parts, specifically, as shown in fig. 3, the bending surface includes two parts connected vertically, the cavity formed by the notch 20 is a rectangular cavity, the interior space of the rectangular cavity is larger, and can accommodate more sealant, and the surface corresponding to the notch 20 may also be other structures, which are not listed herein; regarding the quantity of breach 20, breach 20 can be one, also can be many, if many breachs 20 set up at same binding face 101, then these breachs 20 set up in the different sides of binding face 101, and two crossing breachs 20 of extending direction can communicate each other, in addition, can be provided with breach 20 simultaneously at the corresponding border position of binding face 101 of first frame 10a and second frame 10b, like this, binding face 101 of first frame 10a and the binding face 101 of second frame 10b laminate the back mutually, two breach 20 form the cavity jointly, the volume of cavity is great, can hold more sealed glue, further improve sealed effect.
After the first frame 10a and the second frame 10b are attached to each other, the notch 20 is exposed to the outside, at this time, the cavity formed by the notch 20 can be filled with a sealant, of course, a layer of sealant can be coated on the attaching surface 101 of the first frame 10a and/or the attaching surface 101 of the second frame 10b in advance, after the two attaching surfaces 101 are attached to each other, a part of the sealant can diffuse in a gap between the two sealant, and a sealant layer is formed after curing, and the other part of the sealant overflows into the cavity, and a sealing strip is formed after curing in the cavity, if the sealant overflowing into the cavity is insufficient, the sealant can be supplemented to achieve a sufficient sealing effect, so that the cavity can provide a containing space for the sealant overflowing from between the attaching surface 101 of the first frame 10a and the attaching surface 101 of the second frame 10b, and the smoothness of the surfaces of the first frame 10a and the second frame 10b cannot be affected after the sealant is cured, and other structural members can be conveniently installed on the surfaces of the first frame 10a and the second frame 10b, and meanwhile, the sealant in the cavity can also play a role in enhancing the sealing effect.
In some embodiments, as shown in fig. 5 to 6, the notches 20 include a first notch 20a, and the first notch 20a is disposed at a side edge of the corresponding abutting surface 101 close to the inner cavity of the battery box. Like this, sealed glue can form the shutoff at the entrance of battery box inner chamber, and sealed effect is better.
The first notch 20a may be disposed at a side edge of the attaching surface 101 of the first frame 10a close to the inner cavity of the battery box, or a side edge of the attaching surface 101 of the second frame 10b close to the inner cavity of the battery box, or the attaching surface 101 of the first frame 10a and the attaching surface 101 of the second frame 10b close to the inner cavity of the battery box are both provided with the first notch 20a, the first notch 20a extends along the height direction of the battery box, after the cavity formed by the first notch 20a is filled with the sealant, the first frame 10a and the second frame 10b may be sealed along the height direction of the battery box, and the cavity is located at an entrance where the gap between the first frame 10a and the second frame 10b enters the inner cavity of the battery box, so that the sealant may form a plug at the entrance of the inner cavity of the battery box, and the sealing effect is good.
In some embodiments, as shown in fig. 6, the provided notches 20 include a second notch 20b and/or a third notch 20c, the second notch 20b is provided at the top edge of the corresponding abutting surface 101, the second notch 20b can perform a sealing function at the top edge of the abutting surface 101, the third notch 20c is provided at the bottom edge of the corresponding abutting surface 101, and the third notch 20c can perform a sealing function at the bottom edge of the abutting surface 101.
With reference to fig. 6, the attaching surface 101 is provided with a first gap 20a, a second gap 20b and a third gap 20c, where the first gap 20a is disposed at a side edge of the corresponding attaching surface 101 close to the inner cavity of the battery box, the first gap 20a can block an airflow entering the battery box along the AA1 direction, the second gap 20b is disposed at a top edge of the corresponding attaching surface 101, the second gap 20b can block an airflow entering the battery box along the AA2 direction, the third gap 20c is disposed at a bottom edge of the corresponding attaching surface 101, and the third gap 20c can block an airflow entering the battery box along the AA3 direction, and the sealing effect between the first frame 10a and the second frame 10b can be effectively improved by matching the three gaps 20.
As an example, the notch 20 includes a second notch 20b, and the battery box further includes a cover plate and a gasket, the gasket is disposed on one side of the cover plate facing the first frame 10a and the second frame 10b, and the gasket covers at least a portion of the second notch 20b.
During specific implementation, the cavity formed by the second notch 20b can be refilled with the sealant after the first frame 10a and the second frame 10b are attached to each other, and the cavity can be filled with the sealing sealant completely and then a sealing gasket and a cover plate can be further arranged above the first frame 10a and the second frame 10b.
The bottom of the first frame 10a and the second frame 10b are provided with a bottom plate and a gasket, and the third notch 20c at the bottom edge of the attaching surface 101 has a similar effect to the second notch 20b, and will not be described again.
In some embodiments, the first frame 10a is a casting, because the structure of the first frame 10a is complex, and the manufacturing of the first frame 10a by a casting process can facilitate the processing, reduce the number of parts, and improve the assembly accuracy. Meanwhile, the notch 20 may be formed on the attaching surface 101 of the first frame 10a, and the notch 20 may be integrally formed with the first frame 10a without affecting the structural strength of the casting.
In some embodiments, the first frame 10a and the second frame 10b are connected by a fastener 40, and the at least one notch 20 is disposed on a side of the fastener 40 close to the inner cavity of the battery box. This is because the first frame 10a and the second frame 10b are provided with fixing holes corresponding to the fasteners 40, external air can enter the gap between the attachment surfaces 101 of the first frame 10a and the second frame 10b from the gap between the fasteners 40 and the fixing holes and enter the inside of the battery case through the gap, and the gap 20 is provided at a side of the fasteners 40 close to the inner cavity of the battery case, so that the sealant can fill the cavity formed by the gap 20 to form a barrier, thereby preventing a part of the air flow flowing in from the gap between the fasteners 40 and the fixing holes from entering the inside of the battery case.
In some embodiments, as shown in fig. 7 and 8, the attaching surface 101 of the first frame 10a and/or the attaching surface 101 of the second frame 10b are provided with a sealant groove 30, the sealant groove 30 is filled with a sealant, and the combination of the sealant groove 30 and the notch 20 seals at least the first frame 10a and the second frame 10b in the height direction of the battery box.
In the battery box, the top of first frame 10a and second frame 10b is provided with the apron, the bottom is provided with the bottom plate, and the gap that extends along the direction of height of battery box between first frame 10a and the second frame 10b directly communicates with external environment, inside steam or dust were more easily got into the battery box through this gap, consequently, the combination of sealed gluey groove 30 and breach 20 can be at least at the sealed first frame 10a of direction of height of battery box and second frame 10b for outside steam or dust are difficult to get into in the battery box.
Specifically, the sealant groove 30 is a groove structure formed in the attaching surface 101, and when the sealant groove 30 is filled with sealant and the attaching surface 101 of the first frame 10a and the attaching surface 101 of the second frame 10b are attached to each other, a part of the sealant can overflow between the surfaces of the first attaching surface 101 and the second attaching surface 101, and the sealant groove 30 are sealed.
The number of the sealant grooves 30 is not limited, and may be one or more; the extending direction of the sealant groove 30 may be the height direction of the battery box, or may be other directions, for example, a direction perpendicular to the height direction of the battery box; the sealant groove 30 can be disposed at the top edge, the bottom edge, the inner side edge, the outer side edge, or other positions of the attachment surface 101; the end of the sealant groove 30 may extend to the edge of the attaching surface 101 or be close to the edge of the attaching surface 101.
Different from the breach 20 of setting at binding face 101 edge, the sealant groove 30 is located in binding face 101, and be the groove structure, and binding face 101 and the junction on other surfaces are located to breach 20, and, after first frame 10a and second frame 10b laminated mutually, sealant groove 30 is hidden in binding face 101, and the cavity then exposes externally, like this, when sealing up, can be in advance full of sealed glue in sealant groove 30, under the extrusion of binding face 101, sealed glue can spill over partly sealed glue to the cavity that the homonymy set up, and, after first frame 10a and second frame 10b laminated, can continue to supply sealed glue in the cavity.
As an example, the sealant groove 30 and the notch 20 can be disposed on the same side or different sides of the attachment surface 101 for the same attachment surface 101.
Specifically, taking a sealant groove 30 and a notch 20 as an example, the sealant groove 30 and the notch 20 can be disposed on the same side of the attaching surface 101, so that a double-layer seal can be formed on the side, and the sealing effect is enhanced; the sealant groove 30 and the notch 20 can also be disposed on different sides of the attachment surface 101, such that a seal can be formed on different sides of the attachment surface 101, for example, the sealant groove 30 is disposed on the inner edge of the attachment surface 101, and the notch 20 is disposed on the top edge of the attachment surface 101.
As an example, as shown in fig. 7, the notches 20 include a second notch 20b and a third notch 20c, the second notch 20b is disposed at the top edge of the corresponding attachment surface 101, and the third notch 20c is disposed at the bottom edge of the corresponding attachment surface 101; the arranged sealant groove 30 comprises a first sealant groove 30a, and the first sealant groove 30a extends from the bottom of the corresponding attaching surface 101 to the top of the attaching surface 101 along the height direction of the battery box.
With reference to fig. 7, the attaching surface 101 is provided with a first sealant groove 30a, a second gap 20b, and a third gap 20c, where the first sealant groove 30a, the second gap 20b, and the third gap 20c are respectively disposed on different sides of the attaching surface 101, where the first sealant groove 30a can form a seal at an inner side edge of the attaching surface 101 to block an airflow entering the inside of the battery box along the AA1 direction, the second gap 20b can form a seal at a top edge of the attaching surface 101 to block an airflow entering the inside of the battery box along the AA2 direction, and the third gap 20c can form a seal at a bottom edge of the attaching surface 101 to block an airflow entering the inside of the battery box along the AA3 direction, and with cooperation of the three gaps 20, a sealing effect between the first frame 10a and the second frame 10b can be effectively improved.
When sealing, sealant can be filled in the first sealant groove 30a in advance, and after the first frame 10a and the second frame 10b are attached, sealant is filled in the cavity formed by the second notch 20b and the third notch 20c, so that a cover plate and a sealing gasket can be conveniently installed at the tops of the first frame 10a and the second frame 10b, and a bottom plate and a sealing gasket can be conveniently installed at the bottoms of the first frame 10a and the second frame 10b.
In addition, a fourth sealant groove 30d may be further provided, and the fourth sealant groove 30d is located on the outer edge of the adhering surface 101, so that the two sealant grooves 30 and the two notches 20 may enclose a frame-shaped structure.
As an example, as shown in fig. 8, the sealant grooves 30 at least include a first sealant groove 30a, a second sealant groove 30b, and a third sealant groove 30c, where the first sealant groove 30a is located at a side edge of the corresponding attachment surface 101 close to the inner cavity of the battery box, the second sealant groove 30b is located at a top edge of the corresponding attachment surface 101, and the third sealant groove 30c is located at a bottom edge of the corresponding attachment surface 101; meanwhile, the same side of the first sealant groove 30a is provided with a first notch 20a, the same side of the second sealant groove 30b is provided with a second notch 20b, and the same side of the third sealant groove 30c is provided with a third notch 20c, so that double-layer sealing is formed at the inner side, the top and the bottom of the adhering surface 101.
Other embodiments are also included for the combination of the sealant groove 30 and the notch 20, and are not further described herein. Further, it is understood that the sealant groove 30 and the notch 20, which intersect in the extending direction, may or may not communicate with each other, for example, as shown in fig. 7 and 8, the first sealant groove 30a and the second notch 20b, and the first sealant groove 30a and the third notch 20c, etc.
Based on the same technical concept, the embodiment of the utility model provides a still provide a battery device, this battery device include among the above-mentioned arbitrary technical scheme battery box and the battery of setting in the battery box.
In this battery device, the first frame and the second frame of battery box are alternately and connect the setting, the link of first frame and the link of second frame all include the binding face of relative setting, wherein, the edge of the binding face of first frame and/or the edge of the binding face of second frame are provided with the breach, the breach can form the cavity that holds sealed glue between first frame and first frame, can seal the gap between first binding face and the second binding face behind the sealed glue of cavity intussuseption, block the steam among the external environment, the dust etc. gets into inside the battery box through the gap, play sealed effect.
Can see through the above description, the embodiment of the utility model provides an in, the gap that exists to the junction of first frame and second frame, the edge of the binding face of first frame and/or the binding face of second frame's edge is provided with the breach, the breach can form the cavity that holds sealed glue between first frame and first frame, the cavity intussuseption is sealed can seal up the gap between first binding face and the second binding face behind the sealed glue, block steam among the external environment, inside dust etc. got into the battery box through the gap, play sealed effect.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. The battery box is characterized by comprising a first frame and a second frame, wherein the first frame and the second frame are arranged in an intersecting manner and are connected to form a part of a frame body for accommodating batteries;
the connecting end of the first frame and the connecting end of the second frame comprise oppositely-arranged binding faces, the edge of the binding face of the first frame and/or the edge of the binding face of the second frame are provided with notches, and the notches are formed between the first frame and the second frame to form a cavity for accommodating a sealant.
2. The battery case as set forth in claim 1, wherein the corresponding surface of the notch is a slant surface or a bent surface formed by multi-part connection.
3. The battery box of claim 1 or 2, wherein the notch comprises a first notch, and the first notch is arranged on the corresponding abutting surface and close to the side edge of the inner cavity of the battery box.
4. The battery box according to claim 1 or 2, characterized in that the indentations comprise second indentations and/or third indentations, the second indentations are provided at the top edges of the corresponding abutment surfaces, and the third indentations are provided at the bottom edges of the corresponding abutment surfaces.
5. The battery box of claim 4, wherein the notch comprises the second notch, the battery box further comprises a cover plate and a gasket, the gasket is disposed on a side of the cover plate facing the first frame and the second frame, and the gasket covers at least a portion of the second notch.
6. The battery box according to claim 1 or 2, characterized in that the first frame is a casting, and the notch is provided on the first frame.
7. The battery box according to claim 1 or 2, wherein the first frame and the second frame are connected by a fastener, and at least one notch is formed on one side of the fastener, which is close to the inner cavity of the battery box.
8. The battery box according to claim 1 or 2, wherein the attaching surface of the first frame and/or the attaching surface of the second frame are provided with a sealant groove, a sealant is filled in the sealant groove, and the combination of the sealant groove and the notch seals the first frame and the second frame at least in the height direction of the battery box.
9. The battery box of claim 8, wherein the notch comprises a second notch and a third notch, the second notch is disposed at a top edge of the corresponding abutting surface, and the third notch is disposed at a bottom edge of the corresponding abutting surface;
the sealing glue groove comprises a first sealing glue groove, and the first sealing glue groove extends to the top of the binding face from the bottom of the corresponding binding face in the height direction of the battery box.
10. A battery device comprising the battery case according to any one of claims 1 to 9 and a battery provided in the battery case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220827714.XU CN217823047U (en) | 2022-04-11 | 2022-04-11 | Battery box and battery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220827714.XU CN217823047U (en) | 2022-04-11 | 2022-04-11 | Battery box and battery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217823047U true CN217823047U (en) | 2022-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220827714.XU Active CN217823047U (en) | 2022-04-11 | 2022-04-11 | Battery box and battery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217823047U (en) |
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2022
- 2022-04-11 CN CN202220827714.XU patent/CN217823047U/en active Active
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