CN211062758U

CN211062758U - Lithium battery protection device

Info

Publication number: CN211062758U
Application number: CN201922217043.6U
Authority: CN
Inventors: 陈本骏
Original assignee: Roofer Electronic Technology Shanwei Co ltd
Current assignee: Roofer Electronic Technology Shanwei Co ltd
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-07-21
Anticipated expiration: 2029-12-12

Abstract

The utility model relates to a lithium cell technical field just discloses a lithium cell protection device, the power distribution box comprises a box body, the inside fixedly connected with backup pad of box, the top surface swing joint of backup pad has lithium cell body, lithium cell body's both sides swing joint has the roof pressure board, fixed mounting has a damping spring between one side of roof pressure board and the inner wall of box. The utility model discloses a roof pressure board is fixed and the shock attenuation to the lithium cell body both sides with first damping spring, rethread shock pad, go up closing cap and shock attenuation seat, second damping spring carries out the shock attenuation to the upper and lower both ends of lithium cell body, mutually support through two structures, carry out comprehensive fixed shock attenuation protection to lithium cell body, solve traditional protection device lithium cell body surface easily with the frictional problem of protection device, reduce lithium cell body's damage probability, eliminate the potential safety hazard to prolong lithium cell body's life.

Description

Lithium battery protection device

Technical Field

The utility model relates to a lithium cell technical field specifically is a lithium cell protection device.

Background

Lithium batteries are batteries using non-electrolyte solution and using lithium metal or lithium alloy as a negative electrode material, and are roughly divided into two types, namely lithium metal batteries and lithium ion batteries, and along with the development of scientific technology, the lithium batteries become the mainstream of battery research gradually.

But traditional finished product lithium cell's protection device is simple with lithium cell connected mode, does not possess shock-absorbing function, in the use of lithium cell, rubs with protection device's inner wall very easily, has the potential safety hazard to also lack damp-proofing structure in the device, very big influence the life of lithium cell.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a lithium battery protection device possesses the shock attenuation and avoids friction, damp-proofing advantage, has solved the problem mentioned among the above-mentioned background art.

The utility model provides a following technical scheme: the utility model provides a lithium battery protection device, includes the box, the inside fixedly connected with backup pad of box, the top surface swing joint of backup pad has lithium cell body, lithium cell body's both sides swing joint has the roof pressure board, fixed mounting has a damping spring between one side of roof pressure board and the inner wall of box, the both sides fixedly connected with clamping screw at roof pressure board top, clamping screw fixed mounting is at the top of box, lithium cell body's top surface swing joint has the shock pad, the top surface fixedly connected with of shock pad goes up the closing cap, go up closing cap fixed mounting at the top surface of box, the middle part fixedly connected with shock mount of backup pad bottom surface, the both sides of shock mount are equipped with dry box, dry box activity cup joints the both sides at the bottom half.

Carefully, the slide rail is clamped inside the bottom surface of the jacking plate and fixedly connected to the top surface of the supporting plate, the air holes are formed in the middle of the supporting plate, the second connecting rod is fixedly connected to the middle of the jacking plate, the other end of the second connecting rod is movably connected with a first connecting rod, and the first connecting rod is fixedly connected to the inner wall of the middle of the box body.

Carefully selecting, the clamping screw activity cup joints the both sides at the box top, and clamping screw's one end threaded connection has the nut, one side of nut closely laminates with the outside at box top.

Carefully, go up the fixed pedestal of middle part fixedly connected with of closing cap top surface, the handle has been cup jointed in the top activity of fixed pedestal, the screw has been cup jointed in the both sides activity of going up the closing cap top surface, and the bottom threaded connection of screw has the fixed block, the fixed inboard at the box top of cup jointing of fixed block.

Carefully selecting, the inside fixed cover of shock attenuation seat has connect the second damping spring, and the both sides of shock attenuation seat are provided with the baffle.

Carefully, the rubber ring is fixedly sleeved on the outer side of the front face of the drying box, and the outer side of the rubber ring is tightly attached to the bottom face of the supporting plate and the inner wall of the bottom of the box body.

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

1. the utility model discloses a roof pressure board is fixed and the shock attenuation to the lithium cell body both sides with first damping spring, rethread shock pad, go up closing cap and shock attenuation seat, second damping spring carries out the shock attenuation to the upper and lower both ends of lithium cell body, mutually support through two structures, carry out comprehensive fixed shock attenuation protection to lithium cell body, solve traditional protection device lithium cell body surface easily with the frictional problem of protection device, reduce lithium cell body's damage probability, eliminate the potential safety hazard to prolong lithium cell body's life.

2. The utility model discloses a drying box accepts adsorbing materials such as active carbon and absorbs the inside moisture of box, and the inside dryness fraction of retaining device avoids moist moisture to corrode lithium cell body, further prolongs the life of lithium cell.

Drawings

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

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

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

FIG. 4 is a schematic top view of the structural support plate of the present invention;

fig. 5 is a schematic top view of the drying box of the present invention.

In the figure: 1. a box body; 2. a support plate; 3. a lithium battery body; 4. a top pressing plate; 5. a first connecting rod; 6. a second connecting rod; 7. a first damping spring; 8. fixing the screw rod; 9. a shock pad; 10. an upper sealing cover; 11. a shock absorbing seat; 12. drying the box; 13. a second damping spring; 14. a partition plate; 15. a slide rail; 16. a nut; 17. fixing the shaft bracket; 18. a handle; 19. a screw; 20. a fixed block; 21. a rubber ring.

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, a lithium battery protection device comprises a box body 1, a supporting plate 2 is fixedly connected inside the box body 1, a lithium battery body 3 is movably connected on the top surface of the supporting plate 2, a top pressing plate 4 is movably connected on both sides of the lithium battery body 3, a sliding rail 15 is clamped inside the bottom surface of the top pressing plate 4, the sliding rail 15 is fixedly connected on the top surface of the supporting plate 2, an air hole is formed in the middle of the supporting plate 2, a second connecting rod 6 is fixedly connected in the middle of the top pressing plate 4, a first connecting rod 5 is movably connected at the other end of the second connecting rod 6, the first connecting rod 5 is fixedly connected on the inner wall of the middle of the box body 1, the first connecting rod 5 limits the range of the movement of the second connecting rod 6 for resetting and damping of the subsequent first damping spring 7, prevents the first damping spring 7 from damping deflection, and the sliding rail 15, the stability of the device is ensured, the air holes formed in the middle of the supporting plate 2 are beneficial to the air circulation inside the box body 1 and are convenient for subsequent dehumidification protection, a first damping spring 7 is fixedly arranged between one side of the jacking plate 4 and the inner wall of the box body 1, two sides of the top of the jacking plate 4 are fixedly connected with fixing screws 8, the fixing screws 8 are movably sleeved on two sides of the top of the box body 1, one end of each fixing screw 8 is in threaded connection with a nut 16, one side of each nut 16 is tightly attached to the outer side of the top of the box body 1, the fixing screws 8 are in threaded connection with the nuts 16, the jacking plate 4 is further fixed, the stability of connection between the jacking plate 4 and the lithium battery body 3 is improved, the fixing screws 8 are fixedly arranged at the top of the box body 1, the top surface of the lithium battery body 3 is movably connected with a damping pad 9, the top surface of the damping pad 9, the handle 18 is movably sleeved at the top of the fixed shaft bracket 17, the screws 19 are movably sleeved at two sides of the top surface of the upper sealing cover 10, the bottom of each screw 19 is in threaded connection with the fixed block 20, the fixed block 20 is fixedly sleeved at the inner side of the top of the box body 1, the fixed mounting between the upper sealing cover 10 and the box body 1 adopts a threaded connection mode, the subsequent disassembly of the upper sealing cover 10 and the box body 1 is facilitated, the maintenance of the lithium battery body 3 is convenient, the upper sealing cover 10 is fixedly mounted at the top surface of the box body 1, the middle part of the bottom surface of the supporting plate 2 is fixedly connected with the shock absorption seat 11, the inside of the shock absorption seat 11 is fixedly sleeved with the second shock absorption spring 13, the partition plates 14 are arranged at two sides of the shock absorption seat 11, the second shock absorption spring 13 absorbs shock for the bottom of the lithium battery body 3, the overall shock absorption structure of the device is, the both sides of cushion socket 11 are equipped with dry box 12, the rubber circle 21 has been cup jointed to the positive outside of dry box 12 is fixed, and the outside of rubber circle 21 is closely laminated on the bottom surface of backup pad 2 and the inner wall of box 1 bottom, accept adsorption materials such as active carbon through dry box 12 and absorb the moisture of box 1 inside, the inside degree of dryness of retaining device, avoid moist moisture to corrode lithium cell body 3, further prolong the life of lithium cell, dry box 12 activity cup joints the both sides in box 1 bottom.

The working principle is as follows: when the lithium battery box is used, the lithium battery body 3 is placed in the middle of the top surface of the supporting plate 2, the two jacking plates 4 on the top surface of the supporting plate 2 are respectively and tightly attached to the surfaces of the two sides of the lithium battery body 3, the first damping spring 7 fixedly connected to one side of the jacking plate 4 is pressed after the lithium battery body 3 is contacted with the jacking plate 4, the resetting elastic force of the first damping spring 7 jacks the jacking plate 4 to fix the lithium battery body 3 and play a role in damping, after the jacking plate 4 is stabilized, the nut 16 is in threaded connection with one end, extending out of the box body 1, of the fixing screw 8, one side of the nut 16 is tightly attached to the surface of the outer side of the box body 1, after the completion, the upper sealing cover 10 is placed on the inner side of the top of the box body 1, four mounting holes formed in the top of the upper sealing cover 10 are aligned with screw holes in the top of the fixing block 20, the damping pad 9, undertake the shock attenuation of 3 top surfaces of lithium cell body by shock pad 9, lithium cell body 3's positive and negative electrode connects the activity and cup joints the top surface at last closing cap 10, pass the mounting hole threaded connection of closing cap 10 top surface in the screw hole at fixed block 20 top with screw 19 afterwards, accomplish lithium cell body 3's comprehensive fixed, the fixed shock mount 11 that cup joints in backup pad 2 bottom and second damping spring 13 carry out the shock attenuation to lithium cell body 3 bottom surface, the inside moisture that gets into of box 1 can be absorbed by the inside active carbon of placing of dry box 12, when the active carbon of the inside of dry box 12 needs to be changed, directly take out dry box 12, the active carbon who takes out the inefficacy changes into newly, again with dry box 12 cover the bottom of box 1 that connects into, can.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Simultaneously in the utility model discloses an in the drawing, fill the pattern and just do not do any other injecions for distinguishing the picture layer.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a lithium battery protection device, includes box (1), its characterized in that: the lithium battery box is characterized in that a supporting plate (2) is fixedly connected inside the box body (1), a lithium battery body (3) is movably connected to the top surface of the supporting plate (2), pressing plates (4) are movably connected to two sides of the lithium battery body (3), a first damping spring (7) is fixedly installed between one side of each pressing plate (4) and the inner wall of the box body (1), fixing screws (8) are fixedly connected to two sides of the top of each pressing plate (4), each fixing screw (8) is fixedly installed at the top of the box body (1), a damping pad (9) is movably connected to the top surface of each lithium battery body (3), an upper sealing cover (10) is fixedly connected to the top surface of each damping pad (9), each upper sealing cover (10) is fixedly installed on the top surface of the box body (1), a damping seat (11) is fixedly connected to the middle of the bottom surface of the supporting plate (2), and drying boxes (, the drying boxes (12) are movably sleeved on two sides of the bottom of the box body (1).

2. A lithium battery protection device according to claim 1, characterized in that: the inside joint of roof pressure board (4) bottom surface has slide rail (15), and slide rail (15) fixed connection is at the top surface of backup pad (2), the bleeder vent has been seted up at the middle part of backup pad (2), the middle part fixedly connected with second connecting rod (6) of roof pressure board (4), the other end swing joint of second connecting rod (6) has head rod (5), head rod (5) fixed connection is on the inner wall at box (1) middle part.

3. A lithium battery protection device according to claim 1, characterized in that: the fixing screw rods (8) are movably sleeved on two sides of the top of the box body (1), one end of each fixing screw rod (8) is connected with a nut (16) in a threaded mode, and one side of each nut (16) is tightly attached to the outer side of the top of the box body (1).

4. A lithium battery protection device according to claim 1, characterized in that: go up the middle part fixedly connected with fixed pedestal (17) of closing cap (10) top surface, handle (18) have been cup jointed in the top activity of fixed pedestal (17), screw (19) have been cup jointed in the both sides activity of going up closing cap (10) top surface, and the bottom threaded connection of screw (19) has fixed block (20), fixed block (20) are fixed cup jointed in the inboard at box (1) top.

5. A lithium battery protection device according to claim 1, characterized in that: the inside of shock mount (11) is fixed cup joints second damping spring (13), and the both sides of shock mount (11) are provided with baffle (14).

6. A lithium battery protection device according to claim 1, characterized in that: the rubber ring (21) is fixedly sleeved on the outer side of the front face of the drying box (12), and the outer side of the rubber ring (21) is tightly attached to the bottom face of the supporting plate (2) and the inner wall of the bottom of the box body (1).