CN217641625U

CN217641625U - Explosion-proof device for lithium battery

Info

Publication number: CN217641625U
Application number: CN202221588438.2U
Authority: CN
Inventors: 黄建; 李哲; 肖一鸣
Original assignee: Hunan Aimeiren New Energy Co ltd
Current assignee: Hunan Aimeiren New Energy Co ltd
Priority date: 2022-06-24
Filing date: 2022-06-24
Publication date: 2022-10-21
Anticipated expiration: 2032-06-24

Abstract

The utility model discloses a lithium battery explosion-proof device, which relates to the technical field of explosion-proof devices and comprises an explosion-proof frame, wherein the upper end of the explosion-proof frame is provided with a protective cover, the outer surface of the lower end of the protective cover is uniformly provided with a plurality of groups of buffer cotton, the inside of the protective cover is uniformly provided with a plurality of groups of ventilation holes, and two ends of the buffer cotton are symmetrically provided with two groups of retaining rings; the outer surface of the front end of the explosion-proof frame is provided with a cooling fan, the inner surface of the upper end of the explosion-proof frame is uniformly provided with a plurality of groups of lead holes, and the outer surfaces of two sides of the explosion-proof frame are symmetrically provided with two groups of barbs; the inner surface of the lower end of the explosion-proof frame is provided with a supporting plate, and the inner surfaces of two sides of the supporting plate are symmetrically provided with two groups of movable plates. The utility model discloses a lithium cell explosion-proof equipment, protective cover and radiator fan, the heat dissipation of the lithium cell of being convenient for, adjustable shelf, fender rod and a movable spring for reduce the impact force that the lithium cell received in the explosion-proof shelf inside.

Description

Explosion-proof device for lithium battery

Technical Field

The utility model relates to an explosion-proof equipment technical field, in particular to lithium cell explosion-proof equipment.

Background

A lithium battery is a type of battery using a nonaqueous electrolyte solution, using lithium metal or a lithium alloy as a positive/negative electrode material. With the development of science and technology, lithium batteries have become mainstream and are widely applied in many fields. For example, cardiac pacemakers, mobile phones, notebook computers, electric tools, electric vehicles, street lamp standby power supplies, navigation lights, small household appliances and the like.

Because the chemical characteristics of lithium metal are very active, the lithium battery has very high requirements on the environment when in use, and the application of the lithium battery in a high-temperature environment is avoided so as to prevent the lithium battery from being exploded at high temperature. Therefore, the safety protection of the lithium battery becomes a key problem which needs to be solved when the lithium battery is used, certain adverse effects are brought to the using process of people, and in order to solve the defects of the prior art, an explosion-proof device of the lithium battery is provided.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide an explosion-proof device for lithium battery, which can effectively solve the problems of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an explosion-proof device of a lithium battery comprises an explosion-proof frame, wherein a protective cover is arranged at the upper end of the explosion-proof frame, a plurality of groups of buffer cotton are uniformly arranged on the outer surface of the lower end of the protective cover, a plurality of groups of ventilation holes are uniformly formed in the protective cover, and two groups of retaining rings are symmetrically arranged at two ends of the buffer cotton;

the outer surface of the front end of the explosion-proof frame is provided with a cooling fan, the inner surface of the upper end of the explosion-proof frame is uniformly provided with a plurality of groups of lead holes, and the outer surfaces of two sides of the explosion-proof frame are symmetrically provided with two groups of barbs;

the inner surface of the lower end of the explosion-proof frame is provided with a supporting plate, two groups of movable plates are symmetrically arranged on the inner surfaces of two sides of the supporting plate, the outer surface of the upper end of each movable plate is provided with a lithium battery clamping plate, and the front end of each movable plate is provided with a movable frame.

Preferably, the symmetry is provided with two sets of connecting bolt between adjustable shelf and the fly leaf, and is two sets of be provided with the synchronizing bar between the adjustable shelf, the front end surface of synchronizing bar is provided with the pull ring, one side surface of adjustable shelf is provided with the auxiliary frame, the rear end surface of auxiliary frame is provided with the fender rod, the outer wall of fender rod is provided with a floating spring and No. two floating spring respectively, be provided with the auxiliary ring between a floating spring and No. two floating spring, the front end of auxiliary ring is provided with the spacing ring No. one, the spacing ring is located one side surface of explosion-proof rack, no. two floating spring's rear end is provided with the spacing ring No. two, no. two spacing rings are located one side surface of explosion-proof rack, the fender rod is located the inner wall that a spacing ring closed No. two spacing rings.

Preferably, a fixing screw is arranged between the heat radiation fan and the explosion-proof frame, and the outer surface of the rear end of the heat radiation fan is detachably connected with the outer surface of the front end of the explosion-proof frame through the fixing screw.

Preferably, a movable hole is formed between the movable frame and the explosion-proof frame, and the outer wall of the movable frame is movably connected with the inner wall of the explosion-proof frame through the movable hole.

Preferably, a threaded hole is formed between the connecting bolt and the support plate, and the outer surface of the rear end of the connecting bolt is detachably connected with the outer surface of the front end of the support plate through the threaded hole.

Preferably, a sliding groove is formed between the guard bar and the first limiting ring, and the outer wall of the guard bar is connected with the inner wall of the first limiting ring in a sliding mode through the sliding groove.

Advantageous effects

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses in, through protective cover and the radiator fan who sets up, the heat dissipation of the lithium cell of being convenient for, here, put into the inside of explosion-proof frame with the lithium cell, and introduce or draw forth the line that will need to connect through the pin hole, then with the protective cover lid on explosion-proof frame, detain the buckle on the barb, avoid the protective cover to drop from above the explosion-proof frame, then start radiator fan, improve the inside ventilation rate of explosion-proof frame, flow hot-air from the ventilation hole above, reduce the temperature of lithium cell, and simultaneously, the cotton lithium cell that is pasting of buffering, can reduce the impact that receives in the lithium cell upper end.

2. The utility model discloses in, adjustable shelf through the setting, fender rod and a movable spring, an impact force for reducing the lithium cell and receiving in explosion-proof frame inside, place the lithium cell here before the upper end of backup pad, promote the adjustable shelf earlier, make the fly leaf remove to explosion-proof frame's rear end, increase the distance of lithium cell splint and explosion-proof frame front end, then place the lithium cell above the backup pad, not hard up adjustable shelf, no. two movable springs withstand the auxiliary ring forward through No. two spacing rings this moment, and simultaneously, a movable spring withstands the auxiliary frame, promote the auxiliary frame forward, it moves forward to drive the adjustable shelf, make lithium cell splint press from both sides the rear end at the lithium cell, when receiving the front and back impact force, the lithium cell has the activity space in explosion-proof frame inside, after the impact force has been cancelled, no. two movable springs keep the lithium cell to reset with a movable spring, thereby indirectly protect the lithium cell, convenient equipment of structure and stability.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural diagram of the protective cover of the present invention;

FIG. 3 is a schematic view of the connection structure of the guard bar and the movable frame of the present invention;

fig. 4 is a schematic structural view of the connecting bolt and the supporting plate of the present invention.

In the figure: 1. an explosion-proof frame; 2. a protective cover; 3. a vent hole; 4. buffering cotton; 5. a wire hole; 6. a synchronization rod; 7. a pull ring; 8. a connecting bolt; 9. a movable frame; 10. an auxiliary frame; 11. a first movable spring; 12. a first limit ring; 13. an auxiliary ring; 14. a second limiting ring; 15. a guard bar; 16. a second movable spring; 17. a barb; 18. a retaining ring; 19. a heat radiation fan; 20. a lithium battery clamping plate; 21. a movable plate; 22. and a support plate.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-4, an explosion-proof device for a lithium battery comprises an explosion-proof frame 1, wherein a protective cover 2 is arranged at the upper end of the explosion-proof frame 1, a plurality of groups of buffer cottons 4 are uniformly arranged on the outer surface of the lower end of the protective cover 2, a plurality of groups of vent holes 3 are uniformly arranged in the protective cover 2, and two groups of retaining rings 18 are symmetrically arranged at two ends of each buffer cotton 4;

the outer surface of the front end of the explosion-proof frame 1 is provided with a cooling fan 19, the inner surface of the upper end of the explosion-proof frame 1 is uniformly provided with a plurality of groups of lead holes 5, and the outer surfaces of two sides of the explosion-proof frame 1 are symmetrically provided with two groups of barbs 17;

the inner surface of the lower end of the explosion-proof frame 1 is provided with a supporting plate 22, the inner surfaces of two sides of the supporting plate 22 are symmetrically provided with two groups of movable plates 21, the outer surface of the upper end of each group of movable plates 21 is provided with a lithium battery clamping plate 20, and the front end of each movable plate 21 is provided with a movable frame 9.

Two groups of connecting bolts 8 are symmetrically arranged between the movable frame 9 and the movable plate 21, a synchronizing rod 6 is arranged between the two groups of movable frames 9, a pull ring 7 is arranged on the outer surface of the front end of the synchronizing rod 6, an auxiliary frame 10 is arranged on the outer surface of one side of the movable frame 9, a guard rod 15 is arranged on the outer surface of the rear end of the auxiliary frame 10, a first movable spring 11 and a second movable spring 16 are respectively arranged on the outer wall of the guard rod 15, an auxiliary ring 13 is arranged between the first movable spring 11 and the second movable spring 16, a first limit ring 12 is arranged at the front end of the auxiliary ring 13, the first limit ring 12 is arranged on the outer surface of one side of the explosion-proof frame 1, a second limit ring 14 is arranged at the rear end of the second movable spring 16, the second limit ring 14 is arranged on the outer surface of one side of the explosion-proof frame 1, and the guard rod 15 is arranged on the inner wall of the first limit ring 12 and the second limit ring 14.

A fixing screw is arranged between the heat radiation fan 19 and the explosion-proof frame 1, and the outer surface of the rear end of the heat radiation fan 19 is detachably connected with the outer surface of the front end of the explosion-proof frame 1 through the fixing screw.

A movable hole is arranged between the movable frame 9 and the explosion-proof frame 1, and the outer wall of the movable frame 9 is movably connected with the inner wall of the explosion-proof frame 1 through the movable hole.

Threaded holes are formed between the connecting bolts 8 and the supporting plate 22, and the outer surface of the rear end of each connecting bolt 8 is detachably connected with the outer surface of the front end of the supporting plate 22 through the threaded holes.

A sliding groove is formed between the protection rod 15 and the first limiting ring 12, and the outer wall of the protection rod 15 is connected with the inner wall of the first limiting ring 12 in a sliding mode through the sliding groove.

The first embodiment is as follows: the support plate 22 is provided to support the lithium battery while facilitating movement of the movable plate 21.

The second embodiment is as follows: the auxiliary ring 13 and the second movable spring 16 are arranged to improve the reset effect of the movable frame 9.

It should be noted that, the utility model relates to an explosion-proof device for lithium battery, during the use, the protective cover 2 and the radiator fan 19 that set up, the heat dissipation of lithium battery of being convenient for, here, put into the inside of explosion-proof frame 1 with the lithium battery, and introduce or draw forth the line that needs to connect through pin hole 5, then cover protective cover 2 on explosion-proof frame 1, buckle 18 on barb 17, avoid protective cover 2 to drop from explosion-proof frame 1, then start radiator fan 19, improve the ventilation rate in explosion-proof frame 1, flow out hot air from ventilation hole 3, reduce the temperature of lithium battery, simultaneously, buffering cotton 4 is pasting the lithium battery, can reduce the impact that the upper end of lithium battery received; the adjustable shelf 9 that sets up, fender rod 15 and a movable spring 11, an impact force for reducing the lithium cell and receiving in explosion-proof frame 1 inside, place the lithium cell here before the upper end of backup pad 22, promote adjustable shelf 9 earlier, make fly leaf 21 remove to explosion-proof frame 1's rear end, increase lithium cell splint 20 and the distance of explosion-proof frame 1 front end, then place the lithium cell on backup pad 22, not hard up adjustable shelf 9, no. two movable spring 16 withstands auxiliary ring 13 forward through No. two spacing rings 14 this moment, and simultaneously, no. one movable spring 11 withstands auxiliary frame 10, promote auxiliary frame 10 forward, it moves forward to drive adjustable shelf 9, make lithium cell splint 20 press from both sides the rear end at the lithium cell, when receiving the front and back impact force, the lithium cell has the activity space in explosion-proof frame 1 inside, after the impact force has been cancelled, no. two movable spring 16 and No. one movable spring 11 keep the lithium cell to reset, thereby indirectly protect the lithium cell, convenient equipment of structure is just stable.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a lithium cell explosion-proof equipment, includes explosion-proof frame (1), its characterized in that: a protective cover (2) is arranged at the upper end of the explosion-proof frame (1), a plurality of groups of buffer cotton (4) are uniformly arranged on the outer surface of the lower end of the protective cover (2), a plurality of groups of vent holes (3) are uniformly arranged in the protective cover (2), and two groups of snap rings (18) are symmetrically arranged at two ends of the buffer cotton (4);

the outer surface of the front end of the explosion-proof frame (1) is provided with a cooling fan (19), the inner surface of the upper end of the explosion-proof frame (1) is uniformly provided with a plurality of groups of lead holes (5), and the outer surfaces of two sides of the explosion-proof frame (1) are symmetrically provided with two groups of barbs (17);

the anti-explosion support is characterized in that a supporting plate (22) is arranged on the inner surface of the lower end of the anti-explosion support (1), two groups of movable plates (21) are symmetrically arranged on the inner surfaces of two sides of the supporting plate (22), a lithium battery clamping plate (20) is arranged on the outer surface of the upper end of each movable plate (21), and a movable support (9) is arranged at the front end of each movable plate (21).

2. The explosion-proof device for lithium batteries according to claim 1, wherein: the utility model discloses an explosion-proof frame, including adjustable shelf (9), movable frame (9) and fly leaf (21), the symmetry is provided with two sets of connecting bolt (8) between adjustable shelf (9), and is two sets of be provided with between adjustable shelf (9) synchronizing bar (6), the front end surface of synchronizing bar (6) is provided with pull ring (7), one side surface of adjustable shelf (9) is provided with auxiliary frame (10), the rear end surface of auxiliary frame (10) is provided with fender rod (15), the outer wall of fender rod (15) is provided with one activity spring (11) and No. two activity spring (16) respectively, be provided with between one activity spring (11) and No. two activity spring (16) auxiliary ring (13), the front end of auxiliary ring (13) is provided with No. one spacing ring (12), no. one spacing ring (12) is located one side surface of explosion-proof frame (1), the rear end of No. two activity spring (16) is provided with No. two spacing ring (14), no. two spacing ring (14) are located one side surface of explosion-proof frame (1), fender rod (15) are located No. one spacing ring (12) and No. two inner wall (14).

3. The explosion-proof device for lithium batteries according to claim 1, wherein: the anti-explosion device is characterized in that a fixing screw is arranged between the heat radiation fan (19) and the anti-explosion frame (1), and the outer surface of the rear end of the heat radiation fan (19) is detachably connected with the outer surface of the front end of the anti-explosion frame (1) through the fixing screw.

4. The explosion-proof device for lithium batteries according to claim 2, wherein: a movable hole is formed between the movable frame (9) and the explosion-proof frame (1), and the outer wall of the movable frame (9) is movably connected with the inner wall of the explosion-proof frame (1) through the movable hole.

5. The explosion-proof device for lithium batteries according to claim 2, wherein: a threaded hole is formed between the connecting bolt (8) and the support plate (22), and the outer surface of the rear end of the connecting bolt (8) is detachably connected with the outer surface of the front end of the support plate (22) through the threaded hole.

6. The explosion-proof device for lithium batteries according to claim 2, wherein: a sliding groove is formed between the protection rod (15) and the first limiting ring (12), and the outer wall of the protection rod (15) is connected with the inner wall of the first limiting ring (12) in a sliding mode through the sliding groove.