CN217641590U

CN217641590U - Protective structure for lithium battery of electric vehicle

Info

Publication number: CN217641590U
Application number: CN202221237122.9U
Authority: CN
Inventors: 渠慎程; 李文侠
Original assignee: Jiangsu Quanli Intelligent Technology Co ltd
Current assignee: Jiangsu Quanli Intelligent Technology Co ltd
Priority date: 2022-05-19
Filing date: 2022-05-19
Publication date: 2022-10-21
Anticipated expiration: 2032-05-19

Abstract

The utility model discloses an electric motor car is protective structure for lithium cell, concretely relates to lithium cell technical field, electric bicycle often can take place to jolt at the in-process of riding, current protective structure's clearance is great, make the lithium cell take place to rock easily, and then lead to the lithium cell to have the potential safety hazard, which comprises an outer shell, the opening part of shell articulates there is the apron, the fixed backup pad that is equipped with the symmetric distribution in inside of shell, first spout has all been seted up to one side that the backup pad is close to lithium cell body, the inside activity of first spout is equipped with the slider, first recess has been seted up to the inboard of first spout, the inside activity of first recess is inserted and is equipped with the locating piece, establish first spout through the slider card, and remove the connecting plate, the connecting plate drives the locating piece and removes, make in the locating piece removes first recess, the rethread slider removes the locating piece below, make locating piece and slider closely laminate, just so can avoid lithium cell body to appear rocking the condition, thereby reach the purpose of fixed protection.

Description

Protective structure for lithium battery of electric vehicle

Technical Field

The utility model relates to a lithium cell technical field specifically is a protective structure for electric motor car lithium cell.

Background

Lithium batteries are batteries using lithium metal or lithium alloy as positive/negative electrode material and using nonaqueous electrolyte solution, and are often used as power sources for electric bicycles.

1. The electric bicycle often jolts in the riding process, and the gap of the conventional protective structure is large, so that the lithium battery is easy to shake, and the lithium battery has potential safety hazards;

2. the buckle structure of the existing protection structure is simple, and the protection structure is easy to open to expose a lithium battery, so that potential safety hazards are caused, and therefore the protection structure for the lithium battery of the electric vehicle is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The technique that exists to the aforesaid is not enough, the utility model aims at providing an electric motor car is protective structure for lithium cell to solve the problem that provides in the above-mentioned background art.

In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides a protective structure for a lithium battery of an electric vehicle, which comprises a shell, wherein an opening of the shell is hinged with a cover plate, and a lithium battery body is arranged inside the shell;

the fixed backup pad that is equipped with the symmetric distribution in the inside of shell, first spout has all been seted up to one side that the backup pad is close to lithium cell body, the inside activity of first spout is equipped with the slider, one side of slider and lithium cell body's outside fixed connection, first recess has been seted up to the inboard of first spout, the inside activity of first recess is inserted and is equipped with the locating piece, one side of locating piece and one side laminating of first slider.

Preferably, a second groove is formed in one side, close to the shell, of the cover plate, a first rotating shaft is inserted into the second groove in a rotating mode, an insertion block is fixedly arranged on the outer side of the first rotating shaft, a limiting groove is formed in one side, close to the cover plate, of the shell, one end of the insertion block is inserted into the limiting groove, a third groove is formed in the outer side of the insertion block, a limiting block is movably inserted into the third groove, a through groove is formed in the outer side of the shell, one end of the limiting block movably penetrates through the through groove, first fixing rods which are symmetrically distributed are fixedly arranged in the third groove, one end of each first fixing rod movably penetrates through the limiting block, a first spring is movably sleeved on the outer side of each first fixing rod, and two ends of the first spring are fixedly connected with the inner wall of the third groove and one end of the limiting block respectively.

Preferably, the inside of first recess is fixed and is equipped with the symmetric distribution second dead lever, the locating piece is run through in the one end activity of second dead lever, the outside activity cover of second dead lever is equipped with the second spring, the both ends of second spring respectively with the inner wall of first recess and the one end fixed connection of locating piece.

Preferably, the stopper is close to the fixed symmetric distribution fixed plate that is equipped with of one end of first spring, the activity of one side that the fixed plate is relative runs through there is the second pivot, the fixed cover in the outside of second pivot is equipped with first hook plate, the fixed second hook plate that is equipped with in inside of third recess, the second hook plate uses with first hook plate cooperation.

Preferably, a second sliding groove is formed in the outer side of the supporting plate, a connecting plate is movably clamped inside the second sliding groove, and one end of the connecting plate is fixedly connected with the outer side of the positioning block respectively.

Preferably, a handle is fixedly arranged on one side of the cover plate, which is far away from the shell.

Preferably, the outer side of the shell is provided with heat dissipation ports distributed in an annular array.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the sliding block is arranged and clamped in the first sliding groove through the sliding block, the connecting plate is moved, the connecting plate drives the positioning block to move on the second fixing rod, the positioning block is moved into the first groove, meanwhile, the positioning block compresses the second spring, the second spring generates elasticity, the sliding block moves to the position below the positioning block, and the positioning block is driven to move through the elasticity of the second spring, so that the positioning block is tightly attached to the sliding block, the lithium battery body can be prevented from shaking, and the purpose of fixing and protecting is achieved;

2. through being equipped with the stopper, through removing the stopper for the stopper removes to the third recess in, stopper compression first spring, makes first spring produce elasticity, rotates the apron again and drives the inserted block and remove, makes the inserted block insert and establishes the spacing inslot, and first spring drives the stopper removal simultaneously, makes the stopper run through logical groove, just so can avoid the condition that the buckle was opened easily, thereby reaches the purpose of protection.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic sectional view of the housing structure of the present invention.

Fig. 3 is an enlarged view of a structure in fig. 2.

Fig. 4 is a sectional view of the support plate structure of the present invention.

Fig. 5 is a schematic view of the cover plate structure of the present invention.

Description of the reference numerals: 1. a housing; 2. a lithium battery body; 3. a cover plate; 4. a support plate; 5. a first chute; 6. a slider; 7. a first groove; 8. positioning a block; 9. a second groove; 10. a first rotating shaft; 11. inserting a block; 12. a limiting groove; 13. a third groove; 14. a limiting block; 15. a through groove; 16. a first fixing lever; 17. a first spring; 18. a handle; 19. a second fixing bar; 20. a second spring; 21. a fixing plate; 22. a second rotating shaft; 23. a first hook plate; 24. a second hook plate; 25. a second chute; 26. a connecting plate; 27. and a heat dissipation port.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, 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 efforts all belong to the protection scope of the present invention.

Example (b): as shown in fig. 1-5, the utility model provides a protective structure for lithium battery of electric vehicle, which comprises a shell 1, wherein an opening of the shell 1 is hinged with a cover plate 3, a lithium battery body 2 is arranged in the shell 1, a handle 18 is fixedly arranged on one side of the cover plate 3 away from the shell 1, a heat dissipation opening 27 distributed in an annular array is arranged on the outer side of the shell 1, and fireproof cotton is arranged in the shell 1; the inside fixed backup pad 4 that is equipped with the symmetric distribution of shell 1, first spout 5 has all been seted up to one side that backup pad 4 is close to lithium cell body 2, the inside activity of first spout 5 is equipped with slider 6, one side of slider 6 and lithium cell body 2's outside fixed connection, first recess 7 has been seted up to one side of first spout 5, the inside activity of first recess 7 is inserted and is equipped with locating piece 8, one side of locating piece 8 and the one side laminating of first slider 6, the inside of first recess 7 is fixed and is equipped with symmetric distribution second dead lever 19, the one end activity of second dead lever 19 runs through locating piece 8, the outside movable sleeve of second dead lever 19 is equipped with second spring 20, the both ends of second spring 20 respectively with the inner wall of first recess 7 and the one end fixed connection of locating piece 8, second spout 25 has been seted up in the outside of backup pad 4, the inside activity card of second spout 25 is equipped with connecting plate 26, the one end of connecting plate 26 respectively with the outside fixed connection of locating piece 8, set up in first spout 5 through slider 6 card, and remove connecting plate 26, make locating piece 8 remove the slider 8 and the slider that the spring compression protection spring produced the slider 20 and closely the slider that the slider was just so can be rocked, thereby the slider 2 removal, the slider that the slider closely moved, thereby the slider 8 appears.

Further, a second groove 9 is formed in one side, close to the shell 1, of the cover plate 3, a first rotating shaft 10 is inserted in the second groove 9 in a rotating mode, an insertion block 11 is fixedly arranged on the outer side of the first rotating shaft 10, a limiting groove 12 is formed in one side, close to the cover plate 3, of the shell 1, one end of the insertion block 11 is inserted in the limiting groove 12, the length of the limiting groove 12 is larger than that of the insertion block 11, a third groove 13 is formed in the outer side of the insertion block 11, a limiting block 14 is inserted in the third groove 13 in a movable mode, a through groove 15 is formed in the outer side of the shell 1, one end of the limiting block 14 penetrates through the through groove 15 in a movable mode, a first fixing rod 16 which is symmetrically distributed is fixedly arranged in the third groove 13, one end of the first fixing rod 16 penetrates through the limiting block 14 in a movable mode, a first spring 17 is sleeved on the outer side of the first fixing rod 16, two ends of the first spring 17 are fixedly connected with the inner wall of the third groove 13 and one end of the limiting block 14 respectively, the limiting block 14 by moving the limiting block 14, the limiting block 14 is capable of preventing the limiting block 14 from moving into the through groove 14, the limiting block 14 is capable of preventing the limiting block 14 from being moved easily to be moved into the limiting block 14, and preventing the limiting block from being moved into the through groove 11.

Furthermore, a fixed plate 21 is fixedly arranged at one end of the limiting block 14 close to the first spring 17, a second rotating shaft 22 penetrates through one side of the fixed plate 21, one end of the second rotating shaft 22 penetrates through the insertion block 11, a first hook plate 23 is fixedly sleeved on the outer side of the second rotating shaft 22, a second hook plate 24 is fixedly arranged inside the third groove 13, the second hook plate 24 is matched with the first hook plate 23 for use, the sum of the length of the first hook plate 23 and the length of the limiting block 14 is smaller than the difference between the depth of the third groove 13 and the length of the second hook plate 24, the limiting block 14 is moved to drive the first hook plate 23 to move and be attached to the second hook plate 24, the first hook plate 23 rotates along the second rotating shaft 22 through the action force between the first hook plate 23 and the second hook plate 24, the insertion block 11 is moved out of the limiting groove 12, the second rotating shaft 22 is rotated to separate the first hook plate 23 from the second hook plate 24, and the first hook plate 14 is opened through the first spring 17, and the purpose of resetting of the limiting block 14 is facilitated.

The working principle is as follows: firstly, a lithium battery body 2 is placed in a shell 1, a sliding block 6 is clamped in a first sliding groove 5, a connecting plate 26 is moved, the connecting plate 26 drives a positioning block 8 to move on a second fixing rod 19, the positioning block 8 is moved into a first groove 7, meanwhile, the positioning block 8 compresses a second spring 20, the second spring 20 generates elasticity, the sliding block 6 is moved below the positioning block 8, the positioning block 8 is driven to move through the elasticity of the second spring 20, the positioning block 8 is tightly attached to the sliding block 6, therefore, the lithium battery body 2 can be prevented from shaking, the purpose of fixing protection can be achieved, then, a limiting block 14 is moved, the limiting block 14 is moved into a third groove 13, the limiting block 14 compresses a first spring 17, the first spring 17 generates elasticity, then, a cover plate 3 is rotated to drive an inserting block 11 to move, make inserted block 11 insert and establish in spacing groove 12, first spring 17 drives stopper 14 simultaneously and removes, make stopper 14 run through logical groove 15, just so can avoid the buckle the condition of being opened easily, thereby reach the purpose of protection, when apron 3 is opened to needs, remove stopper 14, stopper 14 drives first hook plate 23 and removes and laminates with second hook plate 24, and through the effort between first hook plate 23 and the second hook plate 24, first hook plate 23 rotates along second pivot 22, make first hook plate 23 and second hook plate 24 block, shift out inserted block 11 again from spacing groove 12, and rotate second pivot 22 and make first hook plate 23 and second hook plate 24 separate, make stopper 14 reset through first spring 17 simultaneously, the purpose that just so can conveniently open, finally, it can to resume apron 3.

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 of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A protection structure for a lithium battery of an electric vehicle comprises a shell (1), and is characterized in that a cover plate (3) is hinged to an opening of the shell (1), and a lithium battery body (2) is arranged inside the shell (1);

the fixed backup pad (4) that is equipped with the symmetric distribution in inside of shell (1), first spout (5) have all been seted up to one side that backup pad (4) are close to lithium cell body (2), the inside activity of first spout (5) is equipped with slider (6), one side of slider (6) and the outside fixed connection of lithium cell body (2), first recess (7) have been seted up to the inboard of first spout (5), the inside activity of first recess (7) is inserted and is equipped with locating piece (8), one side of locating piece (8) and one side laminating of first slider (6).

2. The protection structure for the lithium battery of the electric vehicle as claimed in claim 1, wherein a second groove (9) is formed in one side of the cover plate (3) close to the housing (1), a first rotating shaft (10) is rotatably inserted into the second groove (9), an insert block (11) is fixedly arranged on the outer side of the first rotating shaft (10), a limit groove (12) is formed in one side of the housing (1) close to the cover plate (3), one end of the insert block (11) is inserted into the limit groove (12), a third groove (13) is formed in the outer side of the insert block (11), a limit block (14) is movably inserted into the third groove (13), a through groove (15) is formed in the outer side of the housing (1), one end of the limit block (14) movably penetrates through the through groove (15), first fixing rods (16) which are symmetrically distributed are fixedly arranged in the third groove (13), one end of each first fixing rod (16) movably penetrates through the limit block (14), a first spring (17) is movably sleeved on the outer side of the first fixing rod (16), and two ends of each first fixing rod (17) are respectively connected with one end of the corresponding third groove (13).

3. The protection structure for the lithium battery of the electric vehicle as claimed in claim 2, wherein second fixing rods (19) are fixed inside the first groove (7) and symmetrically distributed, one end of each second fixing rod (19) movably penetrates through the corresponding positioning block (8), a second spring (20) is movably sleeved on the outer side of each second fixing rod (19), and two ends of each second spring (20) are respectively and fixedly connected with the inner wall of the first groove (7) and one end of each positioning block (8).

4. The protection structure for the lithium battery of the electric vehicle according to claim 2, wherein a symmetrically distributed fixing plate (21) is fixedly arranged at one end of the limiting block (14) close to the first spring (17), a second rotating shaft (22) is movably arranged at one side opposite to the fixing plate (21) in a penetrating manner, a first hook plate (23) is fixedly arranged at the outer side of the second rotating shaft (22), a second hook plate (24) is fixedly arranged inside the third groove (13), and the second hook plate (24) is matched with the first hook plate (23) for use.

5. The protection structure for the lithium battery of the electric vehicle as claimed in claim 1, wherein a second sliding groove (25) is formed in the outer side of the support plate (4), a connecting plate (26) is movably clamped in the second sliding groove (25), and one end of the connecting plate (26) is fixedly connected with the outer side of the positioning block (8).

6. The protection structure for the lithium battery of the electric vehicle as claimed in claim 1, characterized in that a handle (18) is fixedly arranged on the side of the cover plate (3) far away from the housing (1).

7. The protection structure for the lithium battery of the electric vehicle as claimed in claim 1, wherein the outer side of the shell (1) is provided with heat dissipation ports (27) distributed in a circular array.