CN216055025U

CN216055025U - Lithium battery explosion-proof protection board

Info

Publication number: CN216055025U
Application number: CN202122404810.1U
Authority: CN
Inventors: 戴洪雨; 包丽
Original assignee: Shenzhen Saihang Technology Co ltd
Current assignee: Shenzhen Saihang Technology Co ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-03-15
Anticipated expiration: 2031-09-29

Abstract

The utility model discloses an explosion-proof protection plate for a lithium battery, which comprises a buffer protection structure, wherein the buffer protection structure comprises a buffer main body, a constraint main body and a shell frame, the buffer main body is fixedly arranged at the inner end of the constraint main body, the constraint main body is fixedly connected with the shell frame, the buffer main body comprises a corrugated shell and a connecting shell, the outer end of the corrugated shell is fixedly connected with the inner end of the connecting shell, the outer end of the connecting shell is fixedly connected with the inner end of the constraint main body, the front end of the corrugated shell is provided with a discharge port, the discharge port penetrates through the corrugated shell, the constraint main body further comprises a constraint frame, the constraint frame is fixedly arranged at the inner end of the shell frame, the constraint main body further comprises connecting blocks, the connecting blocks are uniformly arranged at the inner end of the constraint frame, and the outer end of the connecting shell is fixedly connected with the connecting blocks. The utility model relates to the technical field of lithium battery protection equipment, and can improve the safety coefficient and better meet the use requirement.

Description

Lithium battery explosion-proof protection board

Technical Field

The utility model relates to the technical field of lithium battery protection equipment, in particular to an explosion-proof protection plate for a lithium battery.

Background

Conventional lithium battery explosion-proof protection board mainly adopts the metal material that toughness is high to make, mainly keeps off explosion effort through the intensity of self firmly, because the atress is too concentrated, causes whole board outwards to fly out easily and injures the effect person, so the scheme that can alleviate above-mentioned problem of urgent need.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an explosion-proof protection plate for a lithium battery, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: an explosion-proof protection plate for a lithium battery comprises a buffer protection structure, wherein the buffer protection structure comprises a buffer main body, a binding main body and a shell frame, the buffer main body is fixedly arranged at the inner end of the binding main body, and the binding main body is fixedly connected with the shell frame; the buffering main part includes fold line shell and connection shell, the outer end fixed connection of fold line shell is in the inner of connection shell, the outer end fixed connection of connection shell is in the inner of constraint main part.

Preferably, the front end of the corrugated shell is provided with a discharge port, and the discharge port penetrates through the corrugated shell.

Preferably, the binding body further comprises a binding frame fixedly mounted at the inner end of the shell frame.

Preferably, the binding main body further comprises a connecting block, the connecting block is uniformly arranged at the inner end of the binding frame, and the outer end of the connecting shell is fixedly connected with the connecting block.

Preferably, the outer end of the connecting block is provided with a through hole, the through hole penetrates through the connecting block, and the buffering main body is located at the inner end of the through hole.

Preferably, the shell frame comprises a shell and a baffle, the connecting block and the binding frame are fixedly connected to the inner end of the shell, the baffle is fixedly connected with the shell, the connecting block and the binding frame, and dry powder is stored in the shell and the baffle.

Preferably, the shell frame further comprises an inner cavity, and the inner cavity is formed in the inner end of the shell.

Preferably, the buffering protection architecture still includes the shock attenuation main part, the shock attenuation main part includes knob, the lantern ring, threaded rod, spring and inserted bar, the lantern ring is in the same place with shell fixed connection, the threaded rod slides and runs through the lantern ring, the threaded rod is as an organic whole with knob fixed connection, the spring is as an organic whole with inserted bar fixed connection, the inserted bar grafting fixed mounting is in the inner of the lantern ring.

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

1. when the target battery is used after accidental explosion, the corrugated shell extends outwards by means of impact force, kinetic energy is released in an extending mode, the explosive power is relieved in a kinetic energy releasing mode, then the kinetic energy of fragment flying is weakened, and the safety is improved.

2. The discharging port is used for releasing part of explosion kinetic energy to prevent the corrugated shell from bearing all kinetic energy, and further the corrugated shell is protected.

3. The strength of the shell is increased by using the binding frame, so that the stress of the device for resisting explosion impact is improved; the buffer body is connected to the inner side of the binding frame by a connecting block.

4. Release some kinetic energy to the surface of buffering main part through the through-hole to prevent that kinetic energy all acts on connecting block and constraint frame, and then reach the purpose of protection constraint main part.

5. When the shell frame is impacted by explosion, the dry powder is released outwards by means of explosion, the oxygen bearing area of combustible articles is reduced by the dry powder, the possibility of ignition after explosion is further reduced, and the safety coefficient is increased; the spring plays a role of buffering, and the possibility that the target battery is damaged due to the influence of external impact force is reduced in a buffering mode.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a schematic view of a buffer body according to the present invention;

FIG. 3 is a schematic view of a binding body according to the present invention;

FIG. 4 is a schematic view of the structure of the housing of the present invention;

fig. 5 is a schematic structural view of the shock absorbing body of the present invention.

In the figure: 1. a buffer protection structure; 2. a buffer body; 3. a restraining body; 4. a housing; 5. folding the grain shell; 6. a discharge port; 7. connecting blocks; 8. a tie down frame; 9. a through hole; 10. a housing; 11. an inner cavity; 12. a baffle plate; 13. a connecting shell; 14. a shock-absorbing body; 15. a knob; 16. a collar; 17. a threaded rod; 18. a spring; 19. and (4) inserting the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc., indicate orientations or positional relationships according to those shown in the drawings, are only for convenience of description and simplicity of description, and are used to enhance the connection between the description and the drawings and to increase the clarity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

Example one

Referring to fig. 1 and 2, an explosion-proof protection plate for a lithium battery includes a buffering protection structure 1, where the buffering protection structure 1 includes a buffering main body 2, a binding main body 3 and a shell frame 4, the buffering main body 2 is fixedly installed at an inner end of the binding main body 3, and the binding main body 3 is fixedly connected with the shell frame 4; the buffer main body 2 comprises a corrugated shell 5 and a connecting shell 13, the outer end of the corrugated shell 5 is fixedly connected to the inner end of the connecting shell 13, and the outer end of the connecting shell 13 is fixedly connected to the inner end of the binding main body 3; when the target battery is used after the target battery is exploded accidentally, the corrugated shell 5 is extended outwards by means of impact force, kinetic energy is released in an extending mode, the explosive power is relieved in a kinetic energy releasing mode, then the kinetic energy of fragment flying is weakened, and the safety is improved.

Example two

Referring to fig. 2, a discharge port 6 is formed at the front end of the corrugated shell 5, and the discharge port 6 penetrates through the corrugated shell 5; the vent 6 is used to release part of the explosion kinetic energy to prevent the corrugated shell 5 from bearing the whole kinetic energy, thereby protecting the corrugated shell 5.

EXAMPLE III

Referring to fig. 3, the binding body 3 further includes a binding frame 8, the binding frame 8 is fixedly installed at the inner end of the shell frame 4; the use of the tie down brackets 8 increases the strength of the housing 10 and thus increases the stress of the device against blast impact.

The binding main body 3 further comprises connecting blocks 7, the connecting blocks 7 are uniformly arranged at the inner end of the binding frame 8, and the outer end of the connecting shell 13 is fixedly connected with the connecting blocks 7; the cushion body 2 is connected to the inside of the binding frame 8 by a connecting block 7.

The outer end of the connecting block 7 is provided with a through hole 9, the through hole 9 penetrates through the connecting block 7, and the buffer main body 2 is positioned at the inner end of the through hole 9; release some kinetic energy to the surface of buffering main part 2 through-hole 9 to prevent that kinetic energy from all acting on connecting block 7 and constraint frame 8, and then reach the purpose of protection constraint main part 3.

Example four

Referring to fig. 4, the housing frame 4 includes a housing 10 and a baffle 12, the connecting block 7 and the binding frame 8 are fixedly connected to the inner end of the housing 10, the baffle 12 is fixedly connected to the housing 10, the connecting block 7 and the binding frame 8, and dry powder is stored in the housing 10 and the baffle 12; when the shell frame 4 is impacted by explosion, the dry powder is released outwards by means of explosion, the oxygen bearing area of combustible articles is reduced by the dry powder, the possibility of ignition after explosion is further reduced, and the safety coefficient is increased.

The housing 4 further comprises an inner cavity 11, the inner cavity 11 being open at an inner end of the housing 10.

EXAMPLE five

Referring to fig. 5, the buffering protection structure 1 further includes a damping main body 14, the damping main body 14 includes a knob 15, a sleeve ring 16, a threaded rod 17, a spring 18 and an insertion rod 19, the sleeve ring 16 is fixedly connected with the housing 10, the threaded rod 17 slides through the sleeve ring 16, the threaded rod 17 is fixedly connected with the knob 15, the spring 18 is fixedly connected with the insertion rod 19, and the insertion rod 19 is fixedly inserted into an inner end of the sleeve ring 16; the spring 18 plays a role of buffering, and the possibility that the target battery is damaged by the influence of external impact force is reduced by means of buffering.

The working principle is as follows: when the target battery is used, after the target battery is exploded accidentally, the corrugated shell 5 extends outwards by means of impact force, kinetic energy is released in an extending mode, the explosive power is relieved in a kinetic energy releasing mode, the kinetic energy of fragment flying is weakened, and the safety is improved; the discharge port 6 is used for releasing part of explosion kinetic energy to prevent the corrugated shell 5 from bearing all kinetic energy, thereby playing a role of protecting the corrugated shell 5; the strength of the shell 10 is increased by using the binding frame 8, so that the stress of the device for resisting explosion impact is improved; the buffer main body 2 is connected to the inner side of the binding frame 8 by a connecting block 7; a part of kinetic energy is released to the surface of the buffering main body 2 through the through hole 9 so as to prevent the kinetic energy from acting on the connecting block 7 and the binding frame 8 completely, and further the purpose of protecting the binding main body 3 is achieved; when the shell frame 4 is impacted by explosion, the dry powder is released outwards by means of explosion, the oxygen bearing area of combustible articles is reduced by the dry powder, the possibility of ignition after explosion is further reduced, and the safety coefficient is increased; the spring 18 plays a role of buffering, and the possibility that the target battery is damaged by the influence of external impact force is reduced by means of buffering.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an explosion-proof protection shield of lithium cell which characterized in that: the buffer protection structure comprises a buffer protection structure (1), wherein the buffer protection structure (1) comprises a buffer main body (2), a binding main body (3) and a shell frame (4), the buffer main body (2) is fixedly arranged at the inner end of the binding main body (3), and the binding main body (3) is fixedly connected with the shell frame (4); buffering main part (2) are including fold line shell (5) and connect shell (13), the outer end fixed connection of fold line shell (5) is in the inner of connecting shell (13), the outer end fixed connection of connecting shell (13) is in the inner of constraint main part (3).

2. The lithium battery explosion-proof protection plate as claimed in claim 1, wherein: the front end of the corrugated shell (5) is provided with a discharge port (6), and the discharge port (6) penetrates through the corrugated shell (5).

3. The lithium battery explosion-proof protection plate as claimed in claim 1, wherein: the binding main body (3) further comprises a binding frame (8), and the binding frame (8) is fixedly installed at the inner end of the shell frame (4).

4. The lithium battery explosion-proof protection plate as claimed in claim 3, wherein: the binding main body (3) further comprises a connecting block (7), the connecting block (7) is uniformly arranged at the inner end of the binding frame (8), and the outer end of the connecting shell (13) is fixedly connected with the connecting block (7).

5. The lithium battery explosion-proof protection plate as claimed in claim 4, wherein: through-hole (9) have been seted up to the outer end of connecting block (7), through-hole (9) through connection piece (7), buffering main part (2) are located the inner of through-hole (9).

6. The lithium battery explosion-proof protection plate as claimed in claim 4, wherein: the shell frame (4) comprises a shell (10) and a baffle (12), the connecting block (7) and the binding frame (8) are fixedly connected to the inner end of the shell (10), the baffle (12) is fixedly connected with the shell (10), the connecting block (7) and the binding frame (8), and dry powder is stored in the shell (10) and the baffle (12).

7. The lithium battery explosion-proof protection plate as claimed in claim 6, wherein: the shell frame (4) further comprises an inner cavity (11), and the inner cavity (11) is formed in the inner end of the shell (10).

8. The lithium battery explosion-proof protection plate as claimed in claim 6, wherein: buffering protection architecture (1) still includes shock attenuation main part (14), shock attenuation main part (14) include knob (15), the lantern ring (16), threaded rod (17), spring (18) and inserted bar (19), the lantern ring (16) is in the same place with shell (10) fixed connection, threaded rod (17) slide run through the lantern ring (16), threaded rod (17) and knob (15) fixed connection are as an organic whole, spring (18) and inserted bar (19) fixed connection are as an organic whole, inserted bar (19) grafting fixed mounting is in the inner of the lantern ring (16).