CN220390959U - Positioning structure of power battery pack - Google Patents
Positioning structure of power battery pack Download PDFInfo
- Publication number
- CN220390959U CN220390959U CN202322053018.5U CN202322053018U CN220390959U CN 220390959 U CN220390959 U CN 220390959U CN 202322053018 U CN202322053018 U CN 202322053018U CN 220390959 U CN220390959 U CN 220390959U
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- butt joint
- clamping
- battery pack
- joint
- positioning
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- 210000001503 joint Anatomy 0.000 claims abstract description 62
- 238000005452 bending Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 5
- 230000006978 adaptation Effects 0.000 description 4
- 239000012634 fragment Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011111 cardboard Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of battery pack positioning, in particular to a positioning structure of a power battery pack. The utility model has the advantages that: through protruding butt joint portion and butt joint recess butt joint combination, be convenient for the combined location of group battery and car bottom plate subassembly, and degree of freedom about the restriction, rethread thrust spring 9's promotion makes joint breach chucking joint post, hold tightly locking joint post, realize car bottom plate subassembly and battery pack's fixed, can restrict holistic degree of freedom, the reliability of fixing has been improved, prevent that the group battery from being separated because of jolting with car bottom plate subassembly, through pulling joint board, penetrate the leading-in mouth with the joint post through the butt joint through-hole, then loosen the joint board, under thrust spring 9's promotion, make joint breach chucking joint post, realize automatic chucking, only need pulling the joint board during the dismantlement, can directly take out the group battery, reach the purpose of being convenient for the dismouting.
Description
Technical Field
The utility model relates to the technical field of battery pack positioning, in particular to a positioning structure of a power battery pack.
Background
The existing power battery pack of the electric automobile is mostly fixed by a locking bolt, and is affected by factors such as vibration action of the electric automobile in long-term operation, and the locking bolt often loosens, so that the reliable fixing of the power battery pack is affected.
In the chinese utility model CN208324859U, a positioning structure of a power battery pack is disclosed, where each limit boss can be simultaneously embedded into a corresponding limit groove when a power battery component is embedded into a concave groove, so as to further ensure reliable positioning of the power battery pack, effectively avoid the problem that the positioning of the power battery component is unreliable when a locking bolt is loose, but the positioning structure of the power battery pack has the following problems in actual use:
the positioning structure of the power battery pack is used for butt joint of the battery pack and the vehicle body bottom plate only in a mode of inserting the power battery pack into the vehicle body bottom plate, although the power battery pack is convenient to assemble and disassemble, the upward degree of freedom is limited, jolt is unavoidable in running of the vehicle, and once the limit boss on the battery pack is jolt and run out, the whole battery pack loses positioning, so that the problem of unreliability exists, and the damage to the battery pack caused by jolt is larger.
Disclosure of Invention
The object of the present utility model is to solve at least one of the technical drawbacks.
Therefore, an objective of the present utility model is to provide a positioning structure of a power battery pack, so as to solve the problems mentioned in the background art and overcome the shortcomings in the prior art.
In order to achieve the above-mentioned objective, an embodiment of an aspect of the present utility model provides a positioning structure of a power battery pack, including a vehicle bottom plate assembly, a protruding butt joint portion formed by integrally bending is provided at the top of the vehicle bottom plate assembly, a battery pack is movably connected to the top surface of the vehicle bottom plate assembly, a butt joint groove is provided at the center of the bottom surface of the battery pack, a clamping post is fixedly connected to the middle of two sides of the top surface of the inner wall of the butt joint groove, a butt joint through hole is provided at the center of two sides of the top surface of the protruding butt joint portion, a clamping plate is slidably connected to the inner wall of the protruding butt joint portion, a bayonet is provided at the center of two sides of the clamping plate, the position of the bayonet corresponds to the position of the butt joint through hole, the bayonet comprises an inlet and a clamping notch, the diameter of the inlet is adapted to the diameter of the butt joint through hole, the clamping post is inserted into the inlet, a baffle is fixedly connected to two sides of the bottom surface of the inner wall of the protruding butt joint portion, a thrust spring is provided between one end of the clamping plate and the baffle, and the baffle is provided with a thrust spring, and the clamping post is clamped by the clamping plate under the thrust of the thrust spring.
By the preferred in above-mentioned arbitrary scheme, the locating hole has all been seted up to the four corners of bottom plate subassembly top surface, the equal fixedly connected with reference column in four corners of group battery bottom surface, the chamfer has all been seted up at the edge of reference column bottom surface, the position of reference column corresponds with the position of locating hole, the diameter of reference column and the diameter looks adaptation of locating hole inner wall.
The technical effect achieved by adopting the scheme is as follows: the positioning column and the positioning hole are inserted to further position, so that the freedom degree of front, back, left and right is limited, and the stability is further improved.
By the above-mentioned scheme preferred, the both sides of protruding butt joint portion inner wall all are provided with the guide bar, two the both ends of guide bar respectively with two baffle fixed connection, the joint board with two guide bar sliding connection, the joint board passes through guide bar and protruding butt joint portion sliding connection, the length of joint board is less than the length of guide bar.
The technical effect achieved by adopting the scheme is as follows: through the direction of the guide bar, the clamping plate can slide stably, and the clamping plate has a sliding space.
By any of the above schemes, preferably, the number of the thrust springs at one end of the clamping plate is two, and the two thrust springs are respectively sleeved on the outer walls of the two guide bars.
The technical effect achieved by adopting the scheme is as follows: by positioning the two guide bars, bending of the thrust spring when compressed can be prevented.
By the above-mentioned optional scheme preferred, the joint post includes the spliced pole, the bottom fixedly connected with of spliced pole leads into the head, the diameter of leading into the head with the diameter looks adaptation of leading-in mouth and butt joint through-hole, the diameter of spliced pole and the width looks adaptation of joint breach, the length of spliced pole and the thickness of joint board and the wall thickness sum looks adaptation of protruding butt joint portion.
The technical effect achieved by adopting the scheme is as follows: the leading-in head can penetrate through the butt joint through hole to be inserted into the leading-in port, and after the clamping plate is clamped, the clamping notch is clamped between the leading-in head and the bottom surface of the inner wall of the protruding butt joint part, so that clamping and fixing are realized.
By the above-mentioned scheme preferred, the one end that the joint board is close to thrust spring fixedly connected with handle, the top fixedly connected with joint shell fragment of handle one side, the top fixedly connected with inclined plane dop of joint shell fragment one end, the position of inclined plane dop corresponds with the position of baffle.
The technical effect achieved by adopting the scheme is as follows: through the inclined plane dop, can make the baffle push away the inclined plane dop voluntarily when pulling open the joint board to automatic chucking baffle realizes the fixed of joint board, is convenient for assemble.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
1. this power battery pack's location structure, through protruding butt joint portion and butt joint recess butt joint combination, the combination location of group battery and car bottom plate subassembly of being convenient for, and degree of freedom about restriction, the promotion of rethread thrust spring makes joint breach chucking joint post to hold tightly locking joint post, realize car bottom plate subassembly and group battery's fixed, can restrict holistic degree of freedom moreover, improved the reliability of fixing, prevent that the group battery from being separated because of jolting and car bottom plate subassembly.
2. This location structure of power battery pack, through pulling the joint board, penetrate the leading-in mouth with the joint post through the butt joint through-hole, then loosen the joint board, under thrust spring's promotion, make joint breach chucking joint post, realize automatic chucking, only need the pulling joint board during the dismantlement moreover, alright directly take out the group battery, reach the purpose of being convenient for the dismouting.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the internal structure of the present utility model;
FIG. 3 is a schematic structural view of the floor assembly of the present utility model;
FIG. 4 is a schematic view of the structure of the battery pack according to the present utility model;
fig. 5 is a schematic structural view of a card board according to the present utility model.
In the figure: the device comprises a 1-vehicle bottom plate assembly, a 2-battery pack, a 3-protruding butt joint part, a 4-butt joint groove, a 6-baffle, a 7-guide bar, an 8-clamping plate, a 9-thrust spring, a 10-bayonet, a 101-introduction port, a 102-clamping notch, an 11-clamping column, a 111-connecting column, a 112-introduction head, a 13-handle, a 14-clamping spring piece, a 15-inclined-plane clamping head, a 16-butt joint through hole, a 17-positioning hole and an 18-positioning column.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings, but the scope of the present utility model is not limited to the following.
Embodiment one: as shown in fig. 1 to 5, a positioning structure of a power battery pack comprises a vehicle bottom plate assembly 1, a protruding butt joint part 3 formed by integrally bending is arranged at the top of the vehicle bottom plate assembly 1, a battery pack 2 is movably connected to the top surface of the vehicle bottom plate assembly 1, a butt joint groove 4 is arranged at the center of the bottom surface of the battery pack 2, clamping columns 11 are fixedly connected to the middle parts of the two sides of the top surface of the inner wall of the butt joint groove 4, butt joint through holes 16 are formed in the center of the two sides of the top surface of the protruding butt joint part 3, clamping plates 8 are slidably connected to the inner wall of the protruding butt joint part 3, bayonets 10 are formed in the center of the two sides of the clamping plates 8, the positions of the bayonets 10 correspond to the positions of the butt joint through holes 16, the bayonets 10 comprise an inlet 101 and a clamping notch 102, the diameter of the inlet 101 is matched with the diameter of the butt joint through holes 16, the clamping columns 11 are inserted into the inlet 101, a baffle 6 is fixedly connected to the two sides of the inner wall of the bottom surface of the protruding butt joint part 3, a thrust spring 9 is arranged between one end of the clamping plate 8 and the baffle 6, and the clamping plates 8 make the clamping columns 11 clamped by the thrust spring under the thrust of the thrust spring 9.
As an alternative technical scheme of the utility model, the four corners of the top surface of the vehicle bottom plate component 1 are provided with the positioning holes 17, the four corners of the bottom surface of the battery pack 2 are fixedly connected with the positioning columns 18, the edges of the bottom surface of the positioning columns 18 are provided with chamfers, the positions of the positioning columns 18 correspond to the positions of the positioning holes 17, the diameter of the positioning columns 18 is matched with the diameter of the inner wall of the positioning holes 17, the positioning columns 18 are convenient to insert into the positioning holes 17 through the chamfers, the positioning columns 18 can be further positioned through the splicing of the positioning columns 18 and the positioning holes 17, the freedom degree of front, back, left and right is limited, and the stability is further improved.
As an alternative technical scheme of the utility model, the two sides of the inner wall of the convex butt joint part 3 are respectively provided with the guide bars 7, the two ends of the two guide bars 7 are respectively fixedly connected with the two baffle plates 6, the clamping plate 8 is in sliding connection with the two guide bars 7, the clamping plate 8 is in sliding connection with the convex butt joint part 3 through the guide bars 7, the length of the clamping plate 8 is smaller than that of the guide bars 7, and the clamping plate 8 can stably slide through the guide of the guide bars 7, and the clamping plate 8 has a sliding space.
As an alternative technical scheme of the utility model, two thrust springs 9 are arranged at one end of the clamping plate 8, the two thrust springs 9 are respectively sleeved on the outer walls of the two guide bars 7, and the thrust springs 9 can be prevented from being bent when being compressed by positioning the two guide bars 7.
As an alternative technical scheme of the utility model, the clamping post 11 comprises a connecting post 111, the bottom end of the connecting post 111 is fixedly connected with an introduction head 112, the diameter of the introduction head 112 is matched with the diameters of the introduction port 101 and the butt joint through hole 16, the diameter of the connecting post 111 is matched with the width of the clamping notch 102, the length of the connecting post 111 is matched with the sum of the thickness of the clamping plate 8 and the wall thickness of the convex butt joint part 3, so that the introduction head 112 can penetrate through the butt joint through hole 16 to be inserted into the introduction port 101, and after the clamping plate 8 is clamped, the clamping notch 102 is clamped between the introduction head 112 and the inner wall bottom surface of the convex butt joint part 3, so that clamping fixation is realized.
As an alternative technical scheme of the utility model, one end of the clamping plate 8 close to the thrust spring 9 is fixedly connected with the handle 13, the top of one side surface of the handle 13 is fixedly connected with the clamping spring piece 14, the top of one end of the clamping spring piece 14 is fixedly connected with the inclined-plane clamping head 15, the position of the inclined-plane clamping head 15 corresponds to the position of the baffle plate 6, and the baffle plate 6 can automatically push the inclined-plane clamping head 15 open when the clamping plate 8 is pulled open through the inclined-plane clamping head 15, so that the baffle plate 6 is automatically clamped, the fixing of the clamping plate 8 is realized, and the assembly is convenient.
A positioning structure of a power battery pack has the following working principle:
1) Firstly, pulling the clamping plate 8 open to enable the inclined-plane clamping head 15 to clamp the baffle 6, fixing the clamping plate 8 and enabling the lead-in port 101 to be aligned with the butt joint through hole 16;
2) Then inserting the clamping post 11 of the battery pack 2 into the butt joint through hole 16 and into the inlet 101, and then loosening the clamping plate 8;
3) Under the pushing of the thrust spring 9, the clamping notch 102 clamps the clamping column 11, and the clamping guide-in head 112 and the bottom surface of the inner wall of the convex butting part 3 are assembled and fixed.
To sum up, this power battery pack's location structure, butt joint combination through protruding butt joint portion 3 and butt joint recess 4, be convenient for the combination location of group battery 2 and car bottom plate subassembly 1, and degree of freedom about restriction, the promotion of rethread thrust spring 9 makes joint breach 102 chucking joint post 11, thereby hold tightly locking joint post 11, realize the fixed of car bottom plate subassembly 1 and group battery 2, and can restrict holistic degree of freedom, the reliability of fixing has been improved, prevent group battery 2 because of jolting and car bottom plate subassembly 1 separation, penetrate leading-in 101 through butt joint through hole 16 with joint post 11 through pulling joint plate 8, then loosen joint plate 8, make joint breach 102 chucking joint post 11 under thrust spring 9's promotion, realize automatic chucking, only need pulling joint plate 8 during the dismantlement moreover, can directly take out group battery 2, the purpose of being convenient for the dismouting is reached.
Although embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations may be made in the above embodiments by those skilled in the art without departing from the spirit and principles of the utility model. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a location structure of power battery group which characterized in that: comprises a vehicle bottom plate assembly (1), protruding butt joint parts (3) formed by integrally bending are arranged at the top of the vehicle bottom plate assembly (1), a battery pack (2) is movably connected to the top surface of the vehicle bottom plate assembly (1), a butt joint groove (4) is arranged at the center of the bottom surface of the battery pack (2), clamping columns (11) are fixedly connected to the middle parts of the two sides of the top surface of the inner wall of the butt joint groove (4), butt joint through holes (16) are formed in the center of the two sides of the top surface of the protruding butt joint parts (3), a clamping plate (8) is slidably connected to the inner wall of the protruding butt joint parts (3), bayonets (10) are formed in the center of the two sides of the clamping plate (8), the positions of the bayonets (10) correspond to the positions of the butt joint through holes (16), the bayonets (10) comprise a guide inlet (101) and a clamping notch (102), the diameter of the guide inlet (101) is matched with the diameter of the butt joint through holes (16), the clamping columns (11) are inserted into the guide inlet (101) through the butt joint through holes (16), the inner walls (3) are fixedly connected with one ends (6) of the two sides of the spring baffle plates (6), the clamping plate (8) enables the clamping notch (102) to clamp the clamping column (11) under the pushing of the thrust spring (9).
2. The positioning structure of a power battery pack according to claim 1, wherein: positioning holes (17) are formed in four corners of the top surface of the vehicle bottom plate assembly (1), positioning columns (18) are fixedly connected to four corners of the bottom surface of the battery pack (2), chamfering is formed in edges of the bottom surface of the positioning columns (18), the positions of the positioning columns (18) correspond to those of the positioning holes (17), and the diameters of the positioning columns (18) are matched with those of the inner walls of the positioning holes (17).
3. The positioning structure of a power battery pack according to claim 1, wherein: the utility model discloses a guide bar, including protruding butt joint portion (3) and guide bar, protruding butt joint portion (3) inner wall's both sides all are provided with guide bar (7), two the both ends of guide bar (7) respectively with two baffle (6) fixed connection, joint board (8) with two guide bar (7) sliding connection, joint board (8) are through guide bar (7) and protruding butt joint portion (3) sliding connection, the length of joint board (8) is less than the length of guide bar (7).
4. The positioning structure of a power battery pack according to claim 2, wherein: the two thrust springs (9) at one end of the clamping plate (8) are sleeved on the outer walls of the two guide bars (7) respectively.
5. The positioning structure of a power battery pack according to claim 1, wherein: the clamping connection column (11) comprises a connection column (111), the bottom end of the connection column (111) is fixedly connected with an introduction head (112), the diameter of the introduction head (112) is matched with the diameter of the introduction port (101) and the diameter of the butt joint through hole (16), the diameter of the connection column (111) is matched with the width of the clamping connection notch (102), and the length of the connection column (111) is matched with the sum of the thickness of the clamping connection plate (8) and the wall thickness of the protruding butt joint part (3).
6. The positioning structure of a power battery pack according to claim 5, wherein: one end of the clamping plate (8) close to the thrust spring (9) is fixedly connected with a handle (13), the top of one side face of the handle (13) is fixedly connected with a clamping elastic sheet (14), the top of one end of the clamping elastic sheet (14) is fixedly connected with an inclined plane clamping head (15), and the position of the inclined plane clamping head (15) corresponds to the position of the baffle (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322053018.5U CN220390959U (en) | 2023-08-02 | 2023-08-02 | Positioning structure of power battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322053018.5U CN220390959U (en) | 2023-08-02 | 2023-08-02 | Positioning structure of power battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220390959U true CN220390959U (en) | 2024-01-26 |
Family
ID=89614297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322053018.5U Active CN220390959U (en) | 2023-08-02 | 2023-08-02 | Positioning structure of power battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220390959U (en) |
-
2023
- 2023-08-02 CN CN202322053018.5U patent/CN220390959U/en active Active
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| GR01 | Patent grant | ||
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