CN217334311U - Battery device and battery box thereof - Google Patents
Battery device and battery box thereof Download PDFInfo
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- CN217334311U CN217334311U CN202220828347.5U CN202220828347U CN217334311U CN 217334311 U CN217334311 U CN 217334311U CN 202220828347 U CN202220828347 U CN 202220828347U CN 217334311 U CN217334311 U CN 217334311U
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- structural member
- connecting hole
- cavity
- battery
- fastener
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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 discloses a battery device and a battery box thereof, wherein a first structural member is connected with a second structural member through a fastener, which can avoid the adverse effect of welding on the first structural member and the second structural member and improve the quality of connection; and the sealing material filled in the cavity wraps at least part of the fastening piece, so that the fixing strength of the fastening piece can be improved, and the fixing effect of the first structural piece and the second structural piece is further improved.
Description
Technical Field
The utility model relates to a battery technology field indicates a battery device and battery box thereof especially.
Background
The battery pack may include: the box and be located the battery in the box, two structures in the box are when connecting, can adopt welded mode to connect usually, and the welding can cause the influence to the structure, even causes the damage, leads to the product yield after the welding to reduce.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a battery device and battery box thereof for avoid causing the basis of damage to the structural component on, realize the effective connection of two structures.
In a first aspect, an embodiment of the present invention provides a battery box, including: a first structural member and a second structural member connected by a fastener;
the first structural member has: the device comprises a cavity and a first connecting hole communicated with the cavity;
the second structural member has: the second connecting hole is arranged corresponding to the first connecting hole;
part of the fastener is positioned in the cavity, and a first end of the fastener passes through the first connecting hole and enters the second connecting hole;
at least a portion of the cavity is filled with a sealing material and at least a portion of the fastener is encased by the sealing material.
In a second aspect, an embodiment of the present invention provides a battery device, including: if the embodiment of the utility model provides an above-mentioned battery box and be located battery cell in the battery box.
The utility model discloses beneficial effect as follows:
according to the battery device and the battery box body thereof provided by the embodiment of the utility model, the first structural member and the second structural member are connected through the fastener, so that the adverse effect of welding on the first structural member and the second structural member can be avoided, and the connection quality is improved; in addition, the sealing material filled in the cavity wraps at least part of the fastening pieces, so that the fixing strength of the fastening pieces can be improved, and the fixing effect of the first structural piece and the second structural piece can be further improved.
Drawings
Fig. 1 is a schematic structural diagram of a battery box provided in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another battery box provided in an embodiment of the present invention;
fig. 3 is a schematic view of an end of a first structural member provided in an embodiment of the present invention;
fig. 4 is a schematic perspective partial structure view of a first structural member and a second structural member provided in an embodiment of the present invention;
fig. 5 is a schematic view of a groove in a surface of a first structural member provided in an embodiment of the present invention;
fig. 6 is a schematic perspective view of a frame body according to an embodiment of the present invention;
fig. 7 is a schematic perspective view of a battery device according to an embodiment of the present invention.
10-first structural member, 11-cavity, 12-groove, 20-second structural member, 30-fastener, 31-first end, 32-second end, 40-sealing material, 60-frame, 61-left beam, 62-right beam, 63-front beam, 64-back beam, 100-battery box, 200-single battery, 300-battery module, k 1-first connecting hole, k 2-second connecting hole, k 3-third connecting hole, m 0-nut.
Detailed Description
The following describes a specific embodiment of a battery device and a battery box thereof according to an embodiment of the present invention in detail with reference to the accompanying drawings. It should be noted that the described embodiments are only some embodiments of the present invention, and 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.
An embodiment of the utility model provides a battery box, as shown in fig. 1 and fig. 2, can include: a first structural member 10 and a second structural member 20, the first structural member 10 and the second structural member 20 being connected by a fastener 30;
the first structural member 10 has: a cavity 11 and a first connection hole k1 communicating with the cavity 11;
the second structural member 20 has: a second connection hole k2 provided corresponding to the first connection hole k 1;
part of the fastener 30 is located in the cavity 11, and the first end 31 of the fastener 30 passes through the first connection hole k1 into the second connection hole k 2;
at least part of the cavity 11 is filled with a sealing material 40 and at least part of the fastener 30 is surrounded by the sealing material 40.
Among other things, the fastener 30 may include, but is not limited to: a bolt (not shown), a screw (shown in fig. 1 and 2), a stud (not shown), a clamp (not shown), or a snap (not shown), etc., as long as the connection between the first structural member 10 and the second structural member 20 can be achieved, and the specific form of the fastener is not limited herein.
The shapes of the first structural member 10 and the second structural member 20 are not limited to those shown in fig. 1 and 2, and the shapes shown in fig. 1 and 2 are only exemplified here.
In addition, the number, shape and arrangement position of the cavities and the number, shape and arrangement position of the first connection holes in the first structural member may be set according to actual needs, and are not limited herein.
Therefore, the first structural member and the second structural member are connected through the fastener, adverse effects of welding on the first structural member and the second structural member can be avoided, and the connection quality is improved.
In addition, the sealing material filled in the cavity wraps at least part of the fastening pieces, so that the fixing strength of the fastening pieces can be improved, and the fixing effect of the first structural piece and the second structural piece can be further improved.
In addition, the sealing material arranged in the cavity can be beneficial to preventing external impurities and dust from entering the cavity, and further beneficial to preventing the external impurities and dust from entering the battery box body through the cavity, so that the sealing property of the battery box body can be improved.
It should be noted that, in a specific assembly process, the first structural member and the second structural member may be connected by the fastener, and then the cavity may be filled with the sealing material, so that the sealing material may wrap a portion of the fastener.
In some embodiments, the first structural member is a profile and the second structural member is a casting.
Of course, the present invention is not limited thereto, and the first structural member and the second structural member that can be connected in the above manner are within the scope of the embodiments of the present invention.
Therefore, the second structural member can be manufactured by adopting the existing casting process, the first structural member is manufactured by the section manufacturing process, the batch production of the structural members is realized, the manufacturing efficiency of the structural members is increased, the manufacturing cost of the battery box body can be reduced, and the yield and the consistency of the manufacturing of the battery box body are improved.
In some embodiments, as shown in fig. 3, the end of the first structural member 10 (shown in fig. 3 within dashed circle a 1) has: and the sealing material 40 is used for blocking the cavity 11 from communicating with the outside.
So, through setting up the sealing material at the tip, can avoid external impurity and air current to pass through the tip and enter into the die cavity, outside avoiding external impurity to the influence of battery box, can also avoid forming the air convection in the die cavity to reduce wind and make an uproar.
In some embodiments, the cavity may be filled with the sealing material.
So, can reduce the air convection in the die cavity to the at utmost to furthest reduces wind and makes an uproar, simultaneously, can also avoid the influence of external impurity to the battery box to the at utmost.
In some embodiments, the sealing material comprises: foam glue or glass glue.
Of course, the sealing material is not limited to the foam rubber or the glass cement, and any material that can achieve the function of blocking the cavity is within the scope of the embodiments of the present invention.
In some embodiments, as shown in fig. 1, the second connection hole k2 is a blind hole;
the surface of the second connection hole k2 is a smooth surface, and a threaded sleeve (the threaded sleeve is not shown in fig. 1) is arranged in the second connection hole k 2.
Of course, the second connecting hole k2 may be a through hole penetrating through the second structural member 20 instead of a blind hole, as shown in fig. 2, in which case the first end 31 of the fastening member 30 may extend to the outside of the second structural member 20 (i.e. the left side of the second structural member 20 shown in fig. 2) through the second connecting hole k2, and a nut m0 may be disposed at the first end 31, so that the first end 31 may be fixed, and finally, the first structural member 10 and the second structural member 20 may be effectively fixed.
Of course, the specific arrangement of the second connecting hole can be set according to actual needs so as to meet the needs of different application scenes and improve the flexibility of design.
The embodiment of the present invention provides an embodiment, to the concrete installation position of fastener, can include the following setting mode:
mode 1:
in some embodiments, as shown in fig. 1 and 4, the second end 32 of the fastener 30 is positioned within the cavity 11, and the second end 32 is surrounded by the sealant 40.
Among them, explaining a point, the sealing material is not shown in fig. 4; in fig. 4, in order to clearly show the first connection hole k1, the second connection hole k2, the third connection hole k3, and the cavity 11, the cross-section of the first structural member 10 and the second structural member 20 is shown, so that a portion of the third connection hole k3 is only partially shown, and similarly, a portion of the first connection hole k1 is only partially shown, and a portion of the second connection hole k2 is only partially shown.
Therefore, the first end portion of the fastener can be located in the second structural member, the second end portion of the fastener is located in the first structural member, the fastener can be prevented from occupying the outer space of the first structural member and the outer space of the second structural member, and further influences on structures except the first structural member and the second structural member are avoided.
In some embodiments, as shown in fig. 4, the first structural member 10 further has: third connection holes k3, the third connection holes k3 and the first connection holes k1 being respectively located at both surfaces (the left and right side surfaces of the first structural member 10 as shown in fig. 4) of the first structural member 10 disposed opposite to each other;
the third connecting hole k3 is arranged corresponding to the first connecting hole k1, and the third connecting hole k3 is communicated with the cavity 11;
the second end portion 32 is adapted to pass through the third connecting hole k3 into the cavity 11.
That is, as shown in fig. 4, in the installation process of the fastener, the first end 31 of the fastener 30 may sequentially pass through the third connection hole k3, the cavity 11, and the first connection hole k1 into the second connection hole k2, and the second end 32 of the fastener 30 may pass through the third connection hole k3 into the cavity 11, so that the second end 32 may be placed in the cavity 11 and the first end 31 may be placed in the second connection hole k 2.
So, through the setting of third connecting hole, can be convenient for the second end of fastener insert to the die cavity in, improve the convenience and the maneuverability of fastener installation to can improve the assembly efficiency of battery box.
In some embodiments, the area of the third connection hole may be greater than or equal to the area of the second end portion.
That is, the third coupling hole is provided larger so that the second end portion passes through the third coupling hole, whereby the installation of the fastener can be facilitated.
Mode 2:
in some embodiments, as shown in fig. 2, the first structural member 10 further has: third connection holes k3, the third connection holes k3 and the first connection holes k1 being respectively located at both surfaces (the left and right side surfaces of the first structural member 10 as shown in fig. 2) of the first structural member 10 disposed opposite to each other;
the third connecting hole k3 is arranged corresponding to the first connecting hole k1, and the third connecting hole k3 is communicated with the cavity 11;
the second end 32 of the fastener 30 is located outside of the first structural member 10;
the first end 31 of the fastener 30 may sequentially pass through the third connection hole k3, the cavity 11, the first connection hole k1 into the second connection hole k 2.
That is, the second end portion 32 of the fastener 30 is not inserted into the cavity 11 through the third connecting hole 30, but is disposed outside the first structural member 10.
So, only need make the first end of fastener pass third connecting hole, die cavity, first connecting hole in proper order and enter into to the second connecting hole can, do not need the second end to pass the third connecting hole, so can be convenient for the installation of fastener, reduce the installation degree of difficulty of fastener.
And the area of the third connecting hole can be smaller than that of the second end part, so that the manufacturing difficulty of the third connecting hole can be simplified, and the manufacturing difficulty of the battery box body can be reduced.
In addition, when the fastener comprises the head and the screw rod, if the area of the third connecting hole can be smaller than that of the second end, the area of the third connecting hole can be smaller than that of the head, and then the head can be fixed outside the first structural member through the third connecting hole, so that the fastener is fixed.
In short, when the fastener is arranged, the mode 1 or the mode 2 can be selected to meet the requirements of different application scenarios, and the flexibility of design is improved.
In some embodiments, a sealant is disposed at a junction of the first structural member and the second structural member.
So, through sealed setting up of gluing, can improve the leakproofness and the joint strength of the junction of first structure and second structure to improve battery box's leakproofness and stability.
In some embodiments, as shown in fig. 5, a side surface of the first structural member 10 facing the second structural member (not shown), and/or a side surface of the second structural member (not shown) facing the first structural member 10 is provided with a groove 12, and the sealant (not shown) is located in the groove 12.
Namely: the groove 12 may be provided only on one side surface of the first structural member 10 facing the second structural member (not shown in the figure), as shown in fig. 5;
alternatively, a groove may be provided only on one side surface of the second structural member facing the first structural member, which is not shown;
alternatively, not shown, the groove is provided not only on the surface of the first structural member facing the second structural member but also on the surface of the second structural member facing the first structural member.
So, through the setting of recess, before connecting first structure and second structure, set up sealed glue in the recess, when treating that first structure and second structure are connected, can increase the intensity of junction through sealed glue, can also seal the junction simultaneously.
In some embodiments, taking the first structural member 10 as an example, as shown in fig. 1, when the cavity 11 is disposed inside the first structural member 10, and the second structural member 20 is located at the left side of the first structural member 10, the first connection hole k1 may be disposed on a wall (shown in a dashed box a2 in fig. 1) at the left side of the cavity 11, and the first connection hole k1 may penetrate through the wall at the left side of the cavity 11;
if fig. 5 shows a side surface of the first structural member 10 facing the second structural member 20 (i.e. a left side surface of the first structural member 10 in fig. 1, which may be referred to as surface 1), the first connecting hole k1 can be seen on the surface 1;
at this moment, when setting up recess 12, if first connecting hole k1 has a plurality ofly, and when recess 12 was an annular structure on surface 1, can make recess 12 surround whole first connecting hole k1, also each first connecting hole k1 all is located the inside of recess 12 for recess 12 can be located the periphery of first connecting hole k1, and then makes sealed glue can be located the periphery of first connecting hole k 1.
So, when connecting first structure and second structure, through lieing in outlying sealed glue, can avoid external impurity and dust to get into to can improve the leakproofness of junction.
In some embodiments, when there is a gap between the fastener and the first connection hole, the sealing material may fill the gap, and then external impurities and dust may be prevented from entering between the first structural member and the second structural member through the gap, and further the external impurities and dust are prevented from entering inside the battery case, so that the sealing performance and reliability of the battery case may be effectively improved.
In some embodiments, as shown in fig. 6, a frame is included, the frame including: left and right opposing beams 61 and 62, and front and rear opposing beams 63 and 64;
the first structural member 10 and the second structural member 20 are provided in two, wherein one of the first structural members 10 is reused as the left beam 61, and the other first structural member 10 is reused as the right beam 62;
one of the second structural members 20 may be reused as a front beam 63 and the other second structural member 20 may be reused as a rear beam 64.
In this way, the first structural member and the second structural member can constitute a frame body.
To illustrate, in fig. 6, the fastener and the internal structure of the first structural member and the second structural member are not shown.
So, through the leakproofness of being connected between increasing first structure and the second structure, can avoid external impurity to enter into the framework inside, when the inside of framework is provided with battery isotructure, can avoid external impurity to the influence of battery isotructure to can guarantee the normal work of battery isotructure.
In some embodiments, as shown in fig. 6, in the left beam 61, the right beam 62, the front beam 63, and the rear beam 64, the connection position of any two beams may be set by using the connection manner of the first structural member and the second structural member, so as to improve the sealing property of the connection position, thereby improving the sealing property of the battery box, preventing external impurities from entering the battery box through the frame, and improving the reliability of the battery box.
In some embodiments, the battery box may include an upper cover, a bottom plate, and other structures in addition to the above structures, which are not limited herein.
Based on the same utility model design, the embodiment of the utility model provides a battery device, as shown in fig. 7, include: the embodiment of the present invention provides the above battery box 100, and the single battery 200 located in the battery box 100.
It should be noted that the number of the single batteries included in the battery device is not limited to that shown in fig. 7, and here, the number of the single batteries is only described by taking the example shown in fig. 7, and the number of the single batteries may be set according to actual needs, and is not limited herein.
In some embodiments, as shown in fig. 7, a plurality of unit batteries 200 may constitute a battery module 300, the battery modules 300 may be arranged along the direction F1, and the unit batteries 200 in each battery module 300 may be arranged along the direction F3.
The number of the single batteries 200 included in each battery module 300 may be the same, and certainly, may also be different; also, the number of the battery modules 300 is not limited to two as shown in fig. 7, and may be one or more, and is not limited thereto.
In some embodiments, the battery device may be, but is not limited to being, a battery pack.
In some embodiments, the battery device may include, in addition to the battery box and the single battery, other structures that can perform the functions of the battery device, and the invention is not limited thereto.
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. A battery case, comprising: a first structural member and a second structural member connected by a fastener;
the first structural member has: the device comprises a cavity and a first connecting hole communicated with the cavity;
the second structural member has: the second connecting hole is arranged corresponding to the first connecting hole;
part of the fastener is positioned in the cavity, and a first end of the fastener passes through the first connecting hole and enters the second connecting hole;
at least a portion of the cavity is filled with a sealing material and at least a portion of the fastener is encased by the sealing material.
2. The battery case of claim 1, wherein a second end of the fastener is positioned within the cavity, the second end being surrounded by the sealant material.
3. The battery case according to claim 2, wherein the first structural member further has: the third connecting hole and the first connecting hole are respectively positioned on two surfaces of the first structural member which are oppositely arranged;
the third connecting hole is arranged corresponding to the first connecting hole and communicated with the cavity;
the second end portion is used for penetrating into the cavity from the third connecting hole.
4. The battery case of claim 1, wherein the second connection hole is a blind hole;
the surface of the second connecting hole is a smooth surface, and a threaded sleeve is arranged in the second connecting hole.
5. The battery case according to claim 1, wherein an end of the first structural member has: and the sealing material is used for blocking the cavity from communicating with the outside.
6. The battery case according to claim 1, wherein the sealing material comprises: foam glue or glass glue.
7. The battery box of claim 1, wherein the first structural member is a profile and the second structural member is a casting.
8. The battery box as claimed in any one of claims 1 to 7, wherein a sealant is provided at a joint of the first structural member and the second structural member.
9. The battery box body as claimed in claim 8, wherein a side surface of the first structural member facing the second structural member and/or a side surface of the second structural member facing the first structural member is provided with a groove, and the sealant is located in the groove.
10. A battery device, comprising: the battery case of any one of claims 1-9, and a battery cell located within the battery case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220828347.5U CN217334311U (en) | 2022-04-11 | 2022-04-11 | Battery device and battery box thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220828347.5U CN217334311U (en) | 2022-04-11 | 2022-04-11 | Battery device and battery box thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217334311U true CN217334311U (en) | 2022-08-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220828347.5U Active CN217334311U (en) | 2022-04-11 | 2022-04-11 | Battery device and battery box thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217334311U (en) |
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2022
- 2022-04-11 CN CN202220828347.5U patent/CN217334311U/en active Active
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