CN212967920U - Copper bar fixing protection buckle and battery pack - Google Patents
Copper bar fixing protection buckle and battery pack Download PDFInfo
- Publication number
- CN212967920U CN212967920U CN202022142574.6U CN202022142574U CN212967920U CN 212967920 U CN212967920 U CN 212967920U CN 202022142574 U CN202022142574 U CN 202022142574U CN 212967920 U CN212967920 U CN 212967920U
- Authority
- CN
- China
- Prior art keywords
- buckle
- copper bar
- accommodating groove
- bar fixing
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
Landscapes
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model provides a copper bar fixing protective buckle, which comprises two buckle bodies which are arranged at intervals and used for clamping the copper bar, and an energy absorbing body which is connected with the two buckle bodies, wherein the energy absorbing body can contract and deform along the direction of the interval between the two buckle bodies; each buckle body is provided with accommodating grooves which penetrate through the buckle body along the thickness direction of the buckle body, and the notches of the two accommodating grooves are arranged in a mode of deviating from each other; an elastic deformation piece is laid in each accommodating groove; wherein, the copper bar is embedded in the accommodating groove and is elastically abutted with the elastic deformation piece. The utility model also provides a battery package with fixed protection buckle of above-mentioned copper bar. The utility model is additionally provided with the elastic deformation body and the energy absorption body, the structure of the buckle body can be utilized to the maximum extent, and the generalization and the platform are realized; the energy absorber can also enable the copper bar fixing protection buckle to have a stable isolation and insulation protection effect.
Description
Technical Field
The utility model belongs to the technical field of the battery package accessory, more specifically say, relate to a protection buckle and battery package are fixed to copper bar.
Background
Along with the continuous improvement of the endurance mileage and the energy density of the electric automobile market, the internal module of the power battery pack for the electric automobile is arranged more and more compactly, the electrical safety problem is more and more prominent, and therefore the requirement on the electrical safety design inside the battery pack is higher and higher. At present, most of high-voltage connecting wire harnesses among modules are connected by copper bars (commonly called copper bars, and are called Bus-bars for short in English, and the copper bars are expressed in the following).
In the prior art, two copper bars are fixed by a buckle. Due to the fact that arrangement gaps of modules in different battery packs and arrangement gaps of copper bars are different, the structure sizes of the buckles are different; moreover, the thickness and the width of the aluminum bars are slightly different, so that the clamping range of the buckles is difficult to be opposite in a one-to-many manner and in a point-to-point manner; due to the two reasons, the buckle needs to be developed and designed in various ways according to different copper bar structures, copper bar gaps and other requirements, and is poor in generalization and platform.
In addition, when the battery package bumps, copper bar and buckle can be extruded in the collision between the module, because the buckle is the working of plastics, very easily appears damaged under the extreme operating mode, if the buckle is damaged, two copper bar high-voltage short circuit take a fire or insulating fault problem can appear.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a protection buckle is fixed to copper bar aims at solving the buckle commonality that exists among the prior art poor and the buckle can appear extrudeing the damage and two copper bar high voltage short circuits that lead to take fire or insulating trouble's problem.
In order to achieve the above object, the utility model adopts the following technical scheme: the copper bar fixing protection buckle comprises two buckle bodies which are arranged at intervals and used for clamping the copper bars, and an energy absorption body for connecting the two buckle bodies, wherein the energy absorption body can collapse and deform along the direction of the interval between the two buckle bodies;
each buckle body is provided with accommodating grooves which penetrate through the buckle body along the thickness direction of the buckle body, and the notches of the two accommodating grooves are arranged in a mode of deviating from each other; an elastic deformation piece is laid in each accommodating groove;
the copper bar is embedded in the accommodating groove and is elastically abutted to the elastic deformation piece.
As another embodiment of the present invention, the elastic deformation member is a sheet-like structure, and covers the groove wall of the accommodating groove.
As another embodiment of the utility model, the energy-absorbing body is honeycomb, just the energy-absorbing body has a plurality of shrinkages that are the array form and distribute, the shrinkages of bursting are regular polygon hole, and the shrinkages of bursting are followed two the interval direction of buckle body link up the setting.
As another embodiment of the present invention, the outer contour of the energy absorbing body is adapted to the contour of the plurality of the collapsing holes located at the periphery.
As another embodiment of the utility model, the buckle body is equipped with the inlay groove, the cell wall profile of inlay groove with the outline looks adaptation of the energy-absorbing body, the tip of the energy-absorbing body inlays the dress and is in the inlay groove.
As another embodiment of the present invention, a wedge-shaped boss protruding toward the accommodating groove is disposed at an end portion of the buckle body corresponding to a groove wall of one side of the accommodating groove, the wedge-shaped boss has an inclined surface, and the inclined surface is inclined toward the inside of the accommodating groove from the end portion of the accommodating groove; the wedge boss also has a first planar surface.
As another embodiment of the present invention, a rectangular boss protruding toward the accommodating groove is disposed at an end of the buckle body corresponding to the other side groove wall of the accommodating groove, and the rectangular boss has a second plane; the second plane is coplanar with the first plane and is parallel to the bottom wall of the accommodating groove;
the space between the rectangular boss and the wedge-shaped boss forms a notch of the accommodating groove, and the rectangular boss and the wedge-shaped boss are used for jointly matching and clamping the copper bars.
As another embodiment of the utility model, still have the buffer hole that runs through the setting along its thickness direction on the buckle body, the buffer hole is close to the energy-absorbing body sets up, and the buffer hole with the isolated setting of storage tank.
The utility model provides a copper bar fixed protection buckle's beneficial effect lies in: compared with the prior art, the utility model discloses copper bar fixed protection buckle sets up elastic deformation spare in the storage tank for with copper bar elastic abutment, elastic deformation spare can produce elastic deformation in the design compression resilience range, with the copper bar butt of different sizes, produces the elastic deformation of equidimension not, add elastic deformation spare and can make the compatible copper bar of fixing different thickness and width of buckle body; in addition, the two buckle bodies are connected by the energy absorption body, and the length of the energy absorption body can be cut according to the gap between the two copper bars, so that the requirement that the copper bars with various intervals can be isolated and fixed among modules with different battery packs and different arrangement gaps is met; the copper bar fixing protection buckle can utilize the structure of the buckle body to the maximum extent, and achieves generalization and platform;
in addition, when the modules collide, the modules extrude the copper bars and the buckle bodies, and the energy absorption bodies further have the crumpling deformation capacity and can absorb extrusion force, so that the two buckle bodies can be prevented from colliding with each other and being damaged, and the copper bar fixing protection buckle can be stably isolated and insulated in a protection effect by additionally arranging the energy absorption bodies.
The utility model also provides a battery package, including the fixed protection buckle of foretell copper bar.
The utility model provides a beneficial effect of battery package is the same with the beneficial effect of the fixed protection buckle of foretell copper bar, no longer gives unnecessary details here.
Drawings
Fig. 1 is a schematic perspective view of a copper bar fixing and protecting buckle provided in an embodiment of the present invention;
fig. 2 is an exploded schematic view of the copper bar fixing and protecting buckle provided in the embodiment of the present invention;
FIG. 3 is a top view of FIG. 1;
fig. 4 is a schematic view of an application structure of the copper bar fixing and protecting buckle provided in the embodiment of the present invention;
fig. 5 is an assembly process diagram of the copper bar fixing protective buckle and the copper bar provided by the embodiment of the utility model.
In the figure: 1. a buckle body; 10. a containing groove; 11. embedding a groove; 12. a wedge-shaped boss; 121. a bevel; 122. a first plane; 13. a rectangular boss; 131. a second plane; 14. a buffer hole; 2. an energy absorber; 20. Collapsing the hole; 3. an elastic deformation member; 4. copper bars; 5. and (5) a module.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 5, the copper bar fixing and protecting buckle provided by the present invention will now be described. The copper bar fixing protection buckle comprises two buckle bodies 1 which are arranged at intervals and used for clamping copper bars 4, and an energy absorption body 2 for connecting the two buckle bodies 1, wherein the energy absorption body 2 can collapse and deform along the direction of the interval between the two buckle bodies 1; each buckle body 1 is provided with accommodating grooves 10 which penetrate through the buckle body along the thickness direction of the buckle body, and the notches of the two accommodating grooves 10 are arranged in a way of deviating from each other; an elastic deformation piece 3 is laid in each accommodating groove 10; wherein, the copper bar 4 is embedded in the containing groove 10, and the copper bar 4 is elastically abutted with the elastic deformation piece 3.
Note that, the thickness direction of the buckle body 1 in the present embodiment is a direction in which the copper bar 4 passes through the buckle body 1. Since the copper bar 4 needs to pass through the buckle body 1, the accommodating groove 10 is arranged to penetrate through in the thickness direction. In addition, in order to guarantee that buckle body 1 and copper bar 4 are fixed stable, the storage tank 10 of having laid elastic deformation piece 3 is interference fit with copper bar 4.
Compared with the prior art, the utility model provides a copper bar fixing protection buckle sets up elastic deformation piece 3 in storage tank 10 for with copper bar 4 elastic butt, elastic deformation piece 3 can produce elastic deformation in the design compression resilience scope, with the copper bar 4 butt of different sizes, produce the elastic deformation of equidimension not, therefore in certain size scope, buckle body 1 that adds elastic deformation piece 3 can the compatible copper bar 4 of fixing different thickness and width; in addition, the two buckle bodies 1 are connected by the energy absorption body 2, and the length of the energy absorption body 2 can be cut according to the gap between the two copper bars 4, so that the requirements of different battery packs and modules 5 with different arrangement gaps can be met, and the copper bars 4 with various intervals can be isolated and fixed; the copper bar fixing protection buckle can utilize the structure of the buckle body 1 to the maximum extent, and achieves generalization and platform;
in addition, when colliding between module 5, module 5 extrudees copper bar 4 and buckle body 1, because energy-absorbing body 2 still possesses the deformability that contracts of bursting, can absorb the extrusion force to can avoid two mutual collisions of buckle body 1 and damage, add energy-absorbing body 2 and can make this copper bar fixed protection buckle possess and keep apart insulating protection effect steadily.
Referring to fig. 1 and 3, as a specific embodiment of the copper bar fixing and protecting buckle of the present invention, the elastic deformation member 3 is a sheet-like structure and covers the wall of the accommodating groove 10.
The elastic deformation piece 3 can be soft rubber material which is subjected to secondary injection molding, and can also be neoprene foam cotton, polyurethane foam cotton or silica gel foam cotton which is bonded and nested. Because copper bar 4 imbeds storage tank 10, need with the cell wall full face contact of storage tank 10, just can not take place to rock, keep fixed stable, consequently, cover elastic deformation piece 3 on the cell wall of storage tank 10 is comprehensive, makes copper bar 4 can both extrude elastic deformation piece 3 in all directions, guarantees that copper bar 4 and storage tank 10 are in the interference fit state all the time.
In addition, the elastic deformation piece 3 covers the groove wall of the containing groove 10 completely, the structure of the elastic deformation piece 3 is simplified, and the assembly is easy.
Referring to fig. 2, as a specific embodiment of the copper bar fixing protection buckle provided by the present invention, the energy absorber 2 is a honeycomb structure, the energy absorber 2 has a plurality of regular polygonal collapse holes 20, the collapse holes 20 are arranged in a through manner along the interval direction of the two buckle bodies 1, and the collapse holes 20 are distributed in an array form.
When one of the modules 5 is subjected to extrusion force as shown by an arrow in fig. 4, the module 5 compresses the copper bar 4 to drive the copper bar 4 to fix the protective buckle and compress the other copper bar 4 and the module 5, and the energy absorber 2 deforms along the extrusion direction because the energy absorber 2 has the function of collapsing deformation; the energy absorption body 2 is of a honeycomb structure and can absorb energy to the maximum extent after being compressed to a certain thickness.
In particular, the outer contour of the energy absorber 2 is adapted to the contour of a plurality of collapse holes 20 located at the periphery.
Referring to fig. 2, as a specific embodiment of the copper bar fixing and protecting buckle provided by the present invention, the buckle body 1 is provided with an embedded groove 11, a groove wall profile of the embedded groove 11 is adapted to an outer contour of the energy absorber 2, and an end of the energy absorber 2 is embedded in the embedded groove 11. In particular, the energy absorber 2 is overdosed with the insert 11.
Because the energy absorber 2 is in excessive cooperation with the embedding groove 11, when the energy absorber 2 is extruded and deformed, each dynamically changed lateral component force can not loosen the energy absorber 2, and the energy absorber 2 and the buckle body 1 are always in a stable connection state and can not be separated.
Referring to fig. 3, as a specific embodiment of the copper bar fixing and protecting buckle provided by the present invention, a wedge-shaped boss 12 protruding toward the accommodating groove 10 is disposed at an end portion of a groove wall of the buckle body 1 corresponding to one side of the accommodating groove 10, the wedge-shaped boss 12 has an inclined surface 121, and the inclined surface 121 is inclined toward the inside of the accommodating groove 10 from the end portion of the accommodating groove 10; the wedge-shaped boss 12 further has a first plane 122, and the first plane 122 is disposed parallel to the bottom wall of the receiving groove 10.
The end part of the buckle body 1 corresponding to the other side groove wall of the accommodating groove 10 is provided with a rectangular boss 13 protruding towards the accommodating groove 10, and the rectangular boss 13 is provided with a second plane 131; the second plane 131 is coplanar with the first plane 122.
The space between the rectangular boss 13 and the wedge-shaped boss 12 forms a notch of the accommodating groove 10, and the rectangular boss 13 and the wedge-shaped boss 12 are used for jointly matching and clamping the copper bars 4.
The concrete assembling process of the copper bar 4 and the buckle body 1 is as follows:
when the copper bar 4 is loaded, the copper bar 4 is firstly inclined, as shown in fig. 5, the copper bar 4 is inserted into the accommodating groove 10 along the inclined surface 121, then the copper bar 4 is pressed towards the bottom wall direction of the accommodating groove 10, the inclined surface 121 is slightly deformed by the copper bar 4 to avoid the copper bar 4, and the copper bar 4 can be clamped into the accommodating groove 10. After the installation is completed, the first plane 122 and the second plane 131 abut against the copper bar 4 through the elastic deformation piece 3, and the movement of the copper bar 4 is limited.
When the copper bar 4 is disassembled, the wedge-shaped boss 12 can be manually pulled outwards, the abutment between the wedge-shaped boss 12 and the copper bar 4 is removed, and then the copper bar 4 is pulled out along the direction of the inclined plane 121, so that the disassembly is completed.
Above-mentioned dismouting process need not to use appurtenance, and operating personnel can directly clamp the operation with the hand, has saved the assemble duration. Moreover, set up wedge boss 12 for assembly operation is simple convenient and laborsaving, sets up rectangle boss 13, has further promoted when fixed copper bar 4 again, and copper bar 4 and storage tank 10 are in stable joint state.
Preferably, the bevel 121 transitions with the snap body 1 by a rounded corner. On one hand, the fillet transition is adopted, when the copper bar 4 is pressed, the fillet is in contact with the surface of the copper bar 4, the wedge-shaped boss 12 does not have a tip, the external structure of the copper bar 4 cannot be damaged, and operators cannot be hurt; on the other hand, the rounded transition makes the appearance of the buckle body 1 beautiful.
Except that the inclined surface 121 and the buckle body 1 are in fillet transition, the inclined surface 121 and the first plane 122 are also in fillet transition, and in addition, the connection part of each groove wall of the accommodating groove 10 and the connection part of the rectangular boss 13 and the buckle body 1 are also in fillet transition respectively.
Referring to fig. 3, on the basis of the above embodiment, in the direction in which the two buckle bodies 1 are spaced apart, the end surface of the wedge-shaped boss 12 protrudes outward relative to the end surface of the rectangular boss 13, that is, the length of the wedge-shaped boss 12 is greater than that of the rectangular boss 13, so that the length of the inclined surface 121 can be increased, and the inclined surface 121 is more easily deformed slightly when the inclined surface 121 is pressed or the inclined surface 121 is pulled.
Referring to fig. 1 and 2, as a specific embodiment of the copper bar fixing buckle structure provided by the present invention, the buckle body 1 further has a buffering hole 14 penetrating along the thickness direction thereof, the buffering hole 14 is disposed near the energy absorber 2, and the buffering hole 14 is isolated from the accommodating groove 10.
The utility model also provides a battery package, including the fixed protection buckle of foretell copper bar.
The utility model provides a beneficial effect of battery package is the same with the beneficial effect of the fixed protection buckle of foretell copper bar, no longer gives unnecessary details here.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. The copper bar fixing protection buckle is characterized by comprising two buckle bodies which are arranged at intervals and used for clamping the copper bar, and an energy absorption body for connecting the two buckle bodies, wherein the energy absorption body can collapse and deform along the direction of the interval between the two buckle bodies;
each buckle body is provided with accommodating grooves which penetrate through the buckle body along the thickness direction of the buckle body, and the notches of the two accommodating grooves are arranged in a mode of deviating from each other; an elastic deformation piece is laid in each accommodating groove;
the copper bar is embedded in the accommodating groove and is elastically abutted to the elastic deformation piece.
2. The copper bar fixing and protecting buckle as claimed in claim 1, wherein the elastic deformation member is a sheet-like structure that entirely covers the wall of the receiving groove.
3. The copper bar fixing protective buckle according to claim 1, wherein the energy absorbing body is of a honeycomb structure, and the energy absorbing body has a plurality of collapse holes distributed in an array form, the collapse holes are regular polygonal holes, and the collapse holes are arranged in a penetrating manner along a spacing direction of two buckle bodies.
4. The copper bar fixing protective buckle according to claim 3, wherein the outer profile of the energy absorber is adapted to the profile of the plurality of collapse holes located at the periphery.
5. The copper bar fixing and protecting buckle as claimed in claim 4, wherein the buckle body is provided with an embedded groove, the groove wall profile of the embedded groove is matched with the outer profile of the energy absorber, and the end part of the energy absorber is embedded in the embedded groove.
6. The copper bar fixing protective buckle according to any one of claims 1 to 5, wherein a wedge-shaped boss protruding toward the accommodating groove is provided at an end portion of a side wall of the buckle body corresponding to the accommodating groove, the wedge-shaped boss having an inclined surface, the inclined surface being inclined from the end portion of the accommodating groove toward the inside of the accommodating groove; the wedge boss also has a first planar surface.
7. The copper bar fixing and protecting buckle as claimed in claim 6, wherein a rectangular boss protruding toward the receiving groove is provided at an end portion of the buckle body corresponding to the other side wall of the receiving groove, and the rectangular boss has a second plane; the second plane is coplanar with the first plane and is parallel to the bottom wall of the accommodating groove;
the space between the rectangular boss and the wedge-shaped boss forms a notch of the accommodating groove, and the rectangular boss and the wedge-shaped boss are used for jointly matching and clamping the copper bars.
8. The copper bar fixing protective buckle according to claim 1, wherein the buckle body further comprises a buffer hole penetrating through the buckle body in the thickness direction, the buffer hole is disposed near the energy absorber, and the buffer hole is isolated from the accommodating groove.
9. Battery pack, characterized in that it comprises a copper bar fixing and protecting clip according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022142574.6U CN212967920U (en) | 2020-09-25 | 2020-09-25 | Copper bar fixing protection buckle and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022142574.6U CN212967920U (en) | 2020-09-25 | 2020-09-25 | Copper bar fixing protection buckle and battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212967920U true CN212967920U (en) | 2021-04-13 |
Family
ID=75370036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022142574.6U Active CN212967920U (en) | 2020-09-25 | 2020-09-25 | Copper bar fixing protection buckle and battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212967920U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114824639A (en) * | 2022-03-11 | 2022-07-29 | 浙江顺势科技有限公司 | High heat conduction aluminium ba is with location buckle |
-
2020
- 2020-09-25 CN CN202022142574.6U patent/CN212967920U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114824639A (en) * | 2022-03-11 | 2022-07-29 | 浙江顺势科技有限公司 | High heat conduction aluminium ba is with location buckle |
| CN114824639B (en) * | 2022-03-11 | 2024-04-05 | 浙江顺势科技有限公司 | High heat conduction aluminium is location buckle for bar |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102159347B1 (en) | Battery module having end plates pressurizing battery cells and extensible sensing housing parts | |
| CN207967123U (en) | Fixation clip and battery case | |
| US10826035B2 (en) | Fixing frame and battery pack | |
| EP3654407B1 (en) | Casing for accomodating battery module and battery pack | |
| KR101281744B1 (en) | Battery Module Having Member for Improved Stability Disposed between Battery Cells | |
| CN113904047A (en) | Battery extrusion protection system | |
| CN212967920U (en) | Copper bar fixing protection buckle and battery pack | |
| WO2020175883A1 (en) | Battery module including connector having shock absorbing structure | |
| CN208690331U (en) | A kind of novel storage battery plastic housing | |
| CN213584000U (en) | Curb plate, battery module, battery package and vehicle | |
| CN109873104A (en) | battery module | |
| CN210744003U (en) | Battery package upper cover buffering bearing structure | |
| CN209401693U (en) | Capacitor module | |
| CN212848707U (en) | Copper bar fixing buckle structure and battery pack | |
| CN214411381U (en) | Lithium battery shell with explosion-proof function | |
| CN214313367U (en) | Electrochemical device and power utilization device using same | |
| WO2022110142A1 (en) | Battery and electric device | |
| CN110571375B (en) | Pressure buffering support and square battery module | |
| CN210535732U (en) | Buckle mechanism, copper bar positioning assembly and power battery pack thereof | |
| EP3159954B1 (en) | Insulation motherboard, insulation wire harness motherboard assembly and battery module | |
| CN210015879U (en) | Vehicle storage battery and housing thereof | |
| CN219163559U (en) | Battery cell module and battery pack | |
| CN221709012U (en) | Wire harness connector rubber part for engine | |
| CN219575845U (en) | End plate bundling device and lithium battery module | |
| CN219832861U (en) | Buffer structure for cylindrical battery cell module and cylindrical battery module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |