CN211376768U

CN211376768U - Lithium battery with safety device

Info

Publication number: CN211376768U
Application number: CN202020468391.0U
Authority: CN
Inventors: 高建超
Original assignee: Shenzhen Mesaen New Energy Technology Co ltd
Current assignee: Shenzhen Mesaen New Energy Technology Co ltd
Priority date: 2020-04-02
Filing date: 2020-04-02
Publication date: 2020-08-28
Anticipated expiration: 2030-04-02

Abstract

The utility model discloses a lithium cell with safeties, including the glass protective box, the top of protective box articulates there is the shield, and the inside intermediate position welding of shield has the fixed plate, the intermediate position of fixed plate is inserted and is equipped with the axis of rotation, and the bottom welding of axis of rotation has the rotor plate, the top fixedly connected with ventilation board of rotor plate, the shifting chute has been seted up to the inner wall of shield, the welding of rotor plate lateral wall has the movable block, and the movable block inlays in the shifting chute, the inside of protective box is provided with lithium cell body. The utility model discloses be provided with guard box and protection device, convenient to use person is using lithium cell body in-process, carries out the shock attenuation processing to lithium cell body under the condition that takes place strong vibrations, and the buffering comes vibrations in the external environment, is provided with movable block and heat radiation fins, carries out the cooling processing of dispelling the heat to lithium cell body.

Description

Lithium battery with safety device

Technical Field

The utility model relates to a lithium cell technical field specifically is a lithium cell with safeties.

Background

The lithium battery is a primary battery which uses lithium metal or lithium alloy as a negative electrode material and uses a non-aqueous electrolyte solution, and is different from a rechargeable lithium ion battery and a lithium ion polymer battery, the existing lithium battery is easy to be subjected to external impact force in the using process, so that the lithium battery shakes violently, the internal part of the battery is damaged, the battery cannot work continuously, and after the existing lithium battery is used for a long time, the lithium battery is always in a high-temperature state, the service life of the lithium battery is shortened, and therefore the lithium battery with a safety device is urgently needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium cell with safeties to easily receive the external impact force vibrations and be in the problem of high temperature state for a long time that provide in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lithium cell with safeties, includes the glass protective box, the top of protective box articulates there is the shield, and the inside intermediate position welding of shield has the fixed plate, the intermediate position of fixed plate is inserted and is equipped with the axis of rotation, and the bottom welding of axis of rotation has the rotor plate, the top fixedly connected with gas permeable plate of rotor plate, the shifting chute has been seted up to the inner wall of shield, the welding of rotor plate lateral wall has the movable block, and embeds in the shifting chute in the movable block, the inside of protective box is provided with lithium cell body, and lithium cell body's top fixedly connected with heat radiation fins, the inboard of protective box is connected with lithium cell body through protection device, and lithium cell body is connected with protection device through buffer.

Preferably, the inner wall of the protective box is provided with a sliding groove, the sliding block is inserted into the sliding groove, one side, close to the lithium battery body, of the sliding block is hinged with a protective device, and the protective device forms a sliding structure with the protective box through the sliding block and the sliding groove.

Preferably, the fixed plate is semicircular, and the rotating plate and the fixed plate form a rotating structure through a rotating shaft.

Preferably, the breathable plate and the rotating plate are both semicircular, the area of the rotating plate is consistent with that of the breathable plate, and holes are uniformly formed in the surface of the breathable plate.

Preferably, protection device includes hinge rod, first spring and connecting block, one side that the hinge rod is close to lithium cell body is articulated mutually with lithium cell body, the hinge rod has the connecting block through first spring coupling.

Preferably, buffer includes loop bar, inserted bar and second spring, one side that the loop bar is close to lithium cell body is inserted and is equipped with the inserted bar, and the second spring has all been cup jointed in the outside of inserted bar and loop bar.

Compared with the prior art, the beneficial effects of the utility model are that: this lithium cell with safeties is provided with protective housing and protection device, and convenient to use person uses the lithium cell body in-process, carries out shock attenuation processing to the lithium cell body under the condition that takes place strong vibrations, and the buffering is come vibrations among the external environment, is provided with movable block and heat radiation fins, carries out the cooling processing that dispels the heat to the lithium cell body.

(1) The device is through being provided with protective housing and protection device, and convenient to use person is using lithium cell body in-process, carries out shock attenuation processing to lithium cell body under the condition of taking place strong vibrations, and the buffering is from vibrations among the external environment, avoids vibrations to influence lithium cell body work, has improved lithium cell body's security performance and stability can, has increased this device's protective capacities, has improved the life of device.

(2) The device is through being provided with movable block and heat radiation fins, carries out heat dissipation cooling processing to lithium cell body, utilizes heat radiation fins to volatilize the heat and gives off, and protection lithium cell body is not damaged by self high temperature, has improved the security in the lithium cell body use, and then strengthens this device's practicality.

Drawings

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

FIG. 2 is a schematic top view of the structure of the present invention;

FIG. 3 is a schematic top sectional view of the structure of the present invention;

FIG. 4 is a schematic sectional view of the protective device according to the present invention;

fig. 5 is a front view of the structure of the buffering device of the present invention.

In the figure: 1. a protective box; 2. a dust cover; 3. a moving groove; 4. a moving block; 5. a fixing plate; 6. a rotating shaft; 7. a rotating plate; 8. a gas permeable plate; 9. a lithium battery body; 10. heat dissipation fins; 11. a chute; 12. a slider; 13. a protection device; 131. a hinged lever; 132. a first spring; 133. connecting blocks; 14. a buffer device; 141. a loop bar; 142. inserting a rod; 143. a second spring.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment:

a lithium battery with a safety device comprises a glass protective box 1, wherein a dustproof cover 2 is hinged to the top end of the protective box 1, a fixed plate 5 is welded in the middle of the inner portion of the dustproof cover 2, a rotating shaft 6 is inserted in the middle of the fixed plate 5, a rotating plate 7 is welded at the bottom of the rotating shaft 6, a ventilating plate 8 is fixedly connected to the top end of the rotating plate 7, a moving groove 3 is formed in the inner wall of the dustproof cover 2, a moving block 4 is welded on the outer side wall of the rotating plate 7, the moving block 4 is embedded in the moving groove 3, the fixed plate 5 is semi-circular, the rotating plate 7 and the fixed plate 5 form a rotating structure through the rotating shaft 6, the ventilating plate 8 and the rotating plate 7 are both semi-circular, the areas of the rotating plate 7 and the ventilating plate 8 are the same, holes are uniformly formed in the surface of the ventilating plate 8, a user can press the moving block, the movable block 4 drives the rotating plate 7 to rotate leftwards synchronously, the ventilating plate 8 arranged on the rotating plate 7 is driven by rotation to move to the lower side of the dustproof cover 2, the air inside the protective box 1 is replaced through the ventilating plate 8, the heat dissipation fins 10 arranged on the upper side of the lithium battery body 9 disperse the volatilization inside the protective box 1 from the protective box 1, the cooling treatment on the inside of the protective box 1 is realized, the fixed plate 5 designed in a semicircular shape, the rotating plate 7 and the ventilating plate 8 are convenient to use, the movable block 4 is utilized, and the air inside the protective box 1 is replaced.

The lithium battery pack comprises a protective box 1, a lithium battery body 9 is arranged in the protective box 1, heat radiating fins 10 are fixedly connected to the top end of the lithium battery body 9, the lithium battery body 9 is connected to the inner side of the protective box 1 through a protective device 13, the lithium battery body 9 is connected with the protective device 13 through a buffer device 14, a sliding groove 11 is formed in the inner wall of the protective box 1, a sliding block 12 is inserted in the sliding groove 11, the protective device 13 is hinged to one side, close to the lithium battery body 9, of the sliding block 12, the protective device 13 forms a sliding structure with the protective box 1 through the sliding block 12 and the sliding groove 11, the protective device 13 comprises a hinged rod 131, a first spring 132 and a connecting block 133, one side, close to the lithium battery body 9, of the hinged rod 131 is hinged to the lithium battery body 9, the hinged rod 131 is connected with the connecting block 133 through the first spring 132, the buffer device 14 comprises a sleeve rod 141, and the outer sides of the inserting rod 142 and the loop rod 141 are sleeved with a second spring 143, when the lithium battery body 9 is impacted by external force, the impact force is buffered by the protection device 13 hinged on the lithium battery body 9, the hinge rod 131 hinged on the slide block 12 is stressed to rotate, so that the slide block 12 connected with the hinge rod 131 is stressed at the same time, slides in a sliding groove 11 formed in the protective box 1, when the angle of the hinge rod 131 changes, the first spring 132 connected with the hinge rod 131 is pressed, the buffer force is removed through the self elasticity, the auxiliary function of the buffer device 14 arranged on the upper protection device 13 is added, the loop bar 141 and the inserted bar 142 are stressed to contract, meanwhile, the second spring 143 sleeved outside the loop bar 141 and the insertion bar 142 buffers part of the impact force again, so that the stability of the stress is enhanced, the work of the lithium battery body 9 is prevented from being influenced by vibration, and the safety performance and the stability of the lithium battery body 9 are improved.

The working principle is as follows: when the user needs this device of user, can remove this device to suitable position, after using a certain period, when needing to dispel the heat to the lithium cell body 9 of protective housing 1 inside, the user can press movable block 4, through stirring movable block 4, make movable block 4 slide left in the inside of shifting chute 3, movable block 4 drives rotor plate 7 and rotates to the left side in step, the ventilative board 8 of seting up on the rotor plate 7 moves to shield 2 below under the pivoted drive, protective housing 1 inside air obtains replacing through ventilative board 8, heat radiation fin 10 through lithium cell body 9 upside setting up dispels the volatilization of protective housing 1 inside from protective housing 1, realize cooling process to protective housing 1 inside.

When the lithium battery body 9 is impacted externally, the impact force is buffered through the hinged protection device 13 on the lithium battery body 9, the hinged rod 131 hinged on the slide block 12 is stressed and rotated, so that the slide block 12 connected with the hinged rod 131 is stressed at the same time and slides in the slide groove 11 arranged in the protection box 1, when the angle of the hinged rod 131 changes, the first spring 132 connected with the hinged rod 131 is extruded, the buffer force is removed through the elasticity of the first spring 132, the auxiliary action of the buffer device 14 arranged on the protection device 13 is added, the sleeve rod 141 and the inserted rod 142 are stressed and contracted, meanwhile, the second spring 143 sleeved outside the sleeve rod 141 and the inserted rod 142 buffers part of the impact force again, the stability in stress is enhanced, the vibration is prevented from influencing the work of the lithium battery body 9, the safety performance and the stability of the lithium battery body 9 are improved, and the protection capability of the device is improved, the service life of the device is prolonged.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a lithium cell with safeties, includes glass protective box (1), its characterized in that: the top end of the protective box (1) is hinged with a dustproof cover (2), a fixed plate (5) is welded at the middle position inside the dustproof cover (2), a rotating shaft (6) is inserted at the middle position of the fixed plate (5), a rotating plate (7) is welded at the bottom of the rotating shaft (6), the top end of the rotating plate (7) is fixedly connected with a ventilation plate (8), a moving groove (3) is formed in the inner wall of the dustproof cover (2), a moving block (4) is welded on the outer side wall of the rotating plate (7), the moving block (4) is embedded in the moving groove (3), a lithium battery body (9) is arranged in the protective box (1), and the top end of the lithium battery body (9) is fixedly connected with a heat radiation fin (10), the inner side of the protective box (1) is connected with a lithium battery body (9) through a protective device (13), and the lithium battery body (9) is connected with the protection device (13) through the buffer device (14).

2. A lithium battery with safety feature as claimed in claim 1, wherein: the lithium battery protection device is characterized in that a sliding groove (11) is formed in the inner wall of the protection box (1), a sliding block (12) is inserted into the sliding groove (11), a protection device (13) is hinged to one side, close to the lithium battery body (9), of the sliding block (12), and the protection device (13) and the protection box (1) form a sliding structure through the sliding block (12) and the sliding groove (11).

3. A lithium battery with safety feature as claimed in claim 1, wherein: the fixed plate (5) is in a semicircular shape, and the rotating plate (7) and the fixed plate (5) form a rotating structure through the rotating shaft (6).

4. A lithium battery with safety feature as claimed in claim 1, wherein: the breathable plate (8) and the rotating plate (7) are both semicircular, the areas of the rotating plate (7) and the breathable plate (8) are the same, and holes are uniformly formed in the surface of the breathable plate (8).

5. A lithium battery with safety feature as claimed in claim 1, wherein: protection device (13) are including articulated rod (131), first spring (132) and connecting block (133), one side that articulated rod (131) is close to lithium cell body (9) is articulated mutually with lithium cell body (9), articulated rod (131) are connected with connecting block (133) through first spring (132).

6. A lithium battery with safety feature as claimed in claim 1, wherein: the buffering device (14) comprises a loop bar (141), an inserting bar (142) and a second spring (143), the inserting bar (142) is inserted into one side, close to the lithium battery body (9), of the loop bar (141), and the second spring (143) is sleeved on the outer sides of the inserting bar (142) and the loop bar (141).