CN220382220U

CN220382220U - Lithium battery cell protective housing

Info

Publication number: CN220382220U
Application number: CN202321068728.9U
Authority: CN
Inventors: 钱军; 袁朝勇; 袁朝明
Original assignee: Jiangsu Wanlida Intelligent Technology Co ltd
Current assignee: Jiangsu Wanlida Intelligent Technology Co ltd
Priority date: 2023-05-06
Filing date: 2023-05-06
Publication date: 2024-01-23
Anticipated expiration: 2033-05-06

Abstract

The utility model discloses a lithium battery cell protection shell, which relates to the technical field of lithium battery cells, and comprises a box body, wherein one end of the box body is fixedly provided with a fixing device, the top end of the box body is provided with a limiting mechanism, the limiting mechanism comprises a limiting box, the lower inner wall of the limiting box is fixedly connected with three first threaded pipes, the inner surfaces of the three first threaded pipes are sleeved with first threaded rods, the bottom ends of the first threaded rods penetrate through the lower inner wall of the limiting box and extend into the box body, the bottom ends of the first threaded rods are rotationally connected with rotating shafts, the bottom ends of the rotating shafts are fixedly connected with sponge pads, the top ends of the three first threaded pipes are movably connected with gears, the outer surfaces of the three gears are in meshed connection, the limiting mechanism is arranged to fix battery cells with different heights, the application range of the protection shell is improved, the fixing device is arranged to better fix the battery cells, and the protection performance of the protection shell is improved.

Description

Lithium battery cell protective housing

Technical Field

The utility model relates to the technical field of lithium battery cells, in particular to a lithium battery cell protection shell.

Background

The battery cell refers to an electrochemical battery cell which comprises a positive electrode and a negative electrode, is generally not directly used, is different from a battery which comprises a protection circuit and a shell, can be directly used, and is divided into an aluminum shell battery cell, a soft package battery cell and a cylindrical battery cell. In general, the mobile phone battery adopts an aluminum shell battery core, the Bluetooth and other digital products mostly adopt a soft package battery core, the battery of the notebook computer adopts a series-parallel combination of cylindrical battery cores, and in the industries of lithium battery energy storage and power supply, the multipurpose lithium iron phosphate and ternary lithium battery are used as energy storage media, but the battery energy storage products manufactured in the current industries are not good in protecting the battery parts, so that the battery parts can be protected by a battery core protecting shell.

However, the prior art has the following problems:

firstly, the existing lithium battery cell protection shell is composed of a relatively simple shell, the shell does not have the adjusting capability, the lithium battery cell protection shell cannot be adjusted according to the height of the lithium battery cell, the lithium battery cells with different heights cannot be well protected, and the application range is small.

Secondly, the inside of the protection shell of the existing lithium battery cell is generally composed of a simple base, a fixing device is not arranged, and when the battery cell is placed in the shell, the lithium battery cell cannot be well fixed, so that the protection performance of the protection shell is not high.

In view of the above, the inventors propose a lithium battery cell protection case for solving the above problems.

Disclosure of Invention

The lithium battery cell protection device aims at solving the problems that the application range of a protection shell is small and a lithium battery cell is fixed; the utility model aims to provide a lithium battery cell protection shell.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a lithium electricity core protective housing, includes the box, three electric core hole has been seted up on the bottom upper portion of box, and electric core hole is used for putting the core that discharges, the one end fixed of box is equipped with fixing device, and fixing device is used for fixed electric core, the top of box is provided with stop gear, stop gear includes spacing case, four dead levers of bottom fixedly connected with of spacing case, first draw-in groove has all been seted up on the top both sides of box, the second draw-in groove has all been seted up on the top both sides of protective housing, and first draw-in groove and second draw-in groove all cooperate the dead lever to use, the round hole that the cooperation handle used has been seted up on the top of spacing case, and the round hole facilitates the hand to stretch into the rotatory handle of spacing case, the lower inner wall fixedly connected with of spacing case is three first screwed pipe, and first screwed pipe cooperation first screwed rod is used, and the lower inner wall of first threaded rod penetration spacing case of first bottom to the box extends to the box, first draw-in groove, the bottom of first screwed rod has the first screwed rod is connected with the bottom of first screwed rod, the top of a rotatory connection has the connecting rod, one of them has the top of the first screwed connection, the top of the connecting rod has the first screwed rod, the top of the connecting rod has the connecting rod, the top of a rotatory, the connecting rod has the top of a connecting rod.

Preferably, the fixing device comprises a second threaded pipe, the second threaded pipe is fixedly connected with one end of the box body, the inner surface of the second threaded pipe is sleeved with a second threaded rod, the second threaded pipe is matched with the second threaded rod for use, one end of the second threaded rod penetrates through the box body and extends into the box body, one end of the second threaded rod in the box body is fixedly connected with a first fixing plate, the first fixing plate is used for fixing an electric core, two sides of the first fixing plate are fixedly connected with first sliding blocks, two sides of the bottom end of the first fixing plate are fixedly connected with second sliding blocks, two sides and the bottom end of the box body are respectively provided with a first sliding groove and a second sliding groove which are matched with the first sliding block and the second sliding block for use, the first fixing plate is more conveniently moved, one end of the second threaded rod far away from the first fixing plate is fixedly connected with a circular plate, and the one end of plectane rotates with the one end of second screwed pipe to be connected, rotates and connects the convenience plectane rotatory, one side inner wall fixedly connected with second fixed plate of box, second fixed plate cooperation first fixed plate uses, and the bottom and the box lower inner wall fixed connection of second fixed plate, the recess has all been seted up to the opposite face of first fixed plate and second fixed plate, conveniently puts the electric core, and the fixed surface of recess is equipped with elastic cotton, and elastic cotton plays the effect of buffering, elastic cotton is half arc for the surface protection of lithium electricity core is more comprehensive, one side outer surface fixedly connected with protecting crust of box, protecting crust plays the effect to fixing device protection, the guard hole that the plectane cooperation was used has been seted up to the one end of protecting crust, and the guard hole makes things convenient for the hand to stretch into and rotates the plectane in the protecting crust.

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

1. according to the lithium battery cell protection shell, the limit mechanism is arranged, the handle is rotated, the gear is driven to rotate by the handle through the connecting rod, and the other two gears which are in meshed connection with the gear are rotated, so that the three first threaded rods are driven to rotate, three battery cells are fixed at the same time, the height of the first threaded rods is adjusted by the handle, the battery cells with different heights are fixed, and the application range of the lithium battery cell protection shell is improved;

2. according to the lithium battery cell protection shell, the fixing device is arranged, the circular plate is rotated, and the circular plate is matched with the second threaded rod and the second threaded pipe for use, so that the first fixing plate moves towards the direction of the second fixing plate, the battery cell is better fixed, and the protection performance of the lithium battery cell protection shell is improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model.

Fig. 2 is a schematic view of a limiting mechanism according to the present utility model.

FIG. 3 is a schematic view of a fastening device according to the present utility model.

FIG. 4 is a schematic view of a cut-away view of the case of the present utility model.

In the figure: 1. a case; 2. a limiting mechanism; 21. a round hole; 22. a handle; 23. a gear; 24. a first threaded pipe; 25. a connecting rod; 26. a first threaded rod; 27. a sponge cushion; 28. a rotating shaft; 29. a fixed rod; 201. a limit box; 3. a fixing device; 31. elastic cotton; 32. a first clamping groove; 33. a first fixing plate; 34. a second clamping groove; 35. a protection hole; 36. a protective shell; 37. a circular plate; 38. a second threaded tube; 39. a second slider; 301. a second threaded rod; 302. a first slider; 303. a second fixing plate; 304. a groove; 4. a cell hole; 5. a second chute; 6. and a first chute.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one: as shown in fig. 1-4, the utility model provides a lithium battery cell protection shell, which comprises a box body 1, one end of the box body 1 is fixedly provided with a fixing device 3, the fixing device 3 is used for fixing a battery cell, the top end of the box body 1 is provided with a limiting mechanism 2, the limiting mechanism 2 comprises a limiting box 201, the limiting box 201 is used for setting the limiting device, the lower inner wall of the limiting box 201 is fixedly connected with three first threaded pipes 24, the inner surfaces of the three first threaded pipes 24 are sleeved with a first threaded rod 26, the first threaded pipes 24 are matched with the first threaded rod 26 for use, the bottom end of the first threaded rod 26 penetrates through the lower inner wall of the limiting box 201 and extends into the box body 1, the bottom end of the first threaded rod 26 is rotatably connected with a rotating shaft 28, the rotating shaft 28 facilitates the rotation of the first threaded rod 26, the bottom end of the rotating shaft 28 is fixedly connected with a spongy cushion 27, the spongy cushion 27 plays a buffering role, the top ends of the three first threaded pipes 24 are movably connected with gears 23, the outer surfaces of the three gears 23 are in meshed connection with each other, one gear 23 is conveniently driven by one gear 23 to rotate by the other two gears 23, the top ends of the one gear 23 are fixedly connected with one gear 23, the bottom end of the one gear 23 is fixedly connected with a handle 25, and the handle 25 is fixedly connected with the handle 25.

The bottom fixedly connected with four dead levers 29 of spacing case 201, dead lever 29 are in order to cooperate first draw-in groove 32 and second draw-in groove 34 to use, and first draw-in groove 32 has all been seted up on the top both sides of box 1, and second draw-in groove 34 has all been seted up on the top both sides of protecting crust 36, and first draw-in groove 32 and second draw-in groove 34 all cooperate dead lever 29 to use.

Through adopting above-mentioned technical scheme, dead lever 29 cooperation first draw-in groove 32 and second draw-in groove 34 use, play the effect to spacing case 201 is fixed.

A round hole 21 matched with the handle 22 is formed in the top end of the limit box 201.

By adopting the technical scheme, the function of rotating the handle 22 through the round hole 21 is achieved conveniently.

Three cell holes 4 are formed in the upper portion of the bottom end of the box body 1.

Through adopting above-mentioned technical scheme, electric core hole 4 plays the effect of conveniently placing the electric core.

Embodiment two: as shown in fig. 3-4, the fixing device 3 includes a second threaded pipe 38, the second threaded pipe 38 is fixedly connected with one end of the box 1, the inner surface of the second threaded pipe 38 is sleeved with a second threaded rod 301, the second threaded pipe 38 is matched with the second threaded rod 301 for use, one end of the second threaded rod 301 penetrates through the box 1 and extends into the box 1, one end of the second threaded rod 301 in the box 1 is fixedly connected with a first fixing plate 33, the first fixing plate 33 is used for fixing an electric core, one end of the second threaded rod 301, which is far away from the first fixing plate 33, is fixedly connected with a circular plate 37, the circular plate 37 conveniently drives the second threaded rod 301 to rotate, one end of the circular plate 37 is rotatably connected with one end of the second threaded pipe 38, one side inner wall of the box 1 is fixedly connected with a second fixing plate 303, the second fixing plate 303 is matched with the first fixing plate 33 for use, the bottom end of the second fixing plate 303 is fixedly connected with the lower inner wall of the box 1, opposite surfaces of the first fixing plate 33 and the second fixing plate 303 are respectively provided with a groove 304, the electric core 304 is conveniently clamped by the groove 304, the outer surface of the groove 304 is provided with the elastic cotton 31, and the outer surface of the elastic cotton 31 is provided with the protective shell for protecting the outer surface of the box 31.

Through adopting above-mentioned technical scheme, first fixed plate 33 and second fixed plate cooperation are used, play the effect to the fixed battery core.

One end of the protective shell 36 is provided with a protective hole 35 which is matched with the circular plate 37 for use.

By adopting the technical scheme, the hand can conveniently rotate the circular plate 37 through the protection hole 35

The both sides of first fixed plate 33 all fixedly connected with first slider 302, the both sides of bottom of first fixed plate 33 all fixedly connected with second slider 39, and first slider 302 and second slider 39 cooperation use, and the both sides and the bottom of box 1 have seted up first spout 6 and second spout 5 that cooperation first slider 302 and second slider 39 used respectively.

By adopting the above technical scheme, the first sliding block 302 and the second sliding block 39 are matched with the first sliding groove 6 and the second sliding groove 5 for use, so that the first fixing plate 33 can slide more conveniently.

The elastic cotton 31 has a semi-arc shape.

Through adopting above-mentioned technical scheme, play the effect to the more comprehensive protection of electric core.

Working principle: firstly, the bottom end of a lithium battery cell is placed in a battery cell hole 4, then a circular plate 37 is manually rotated, the circular plate 37 drives a second threaded rod 301 to rotate between the inner walls of a second threaded tube 38, a first fixing plate 33 fixedly connected with the second threaded rod 301 moves towards the opposite surface of a second fixing plate 303, the first fixing plate 33 and the second fixing plate 303 are matched for use, the effect of fixing the lithium battery cell is achieved, the first fixing plate 33 is convenient to move by matching a first sliding block 302 and a second sliding block 39 with a first sliding groove 6 and a second sliding groove 5, then a handle 22 is rotated, the handle 22 is rotated to drive a gear 23 to rotate through a connecting rod, the gear 23 drives a first threaded rod 26 fixedly connected with the gear 23 to rotate between the inner walls of a first threaded tube 24, the gear 23 is meshed for connection and rotation through three gears 23, the effect of fixing three battery cells simultaneously is achieved, and a limiting mechanism 2 is operated to fix lithium battery cells with different heights, so that the application range of a lithium battery cell protection shell is improved.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims

1. The utility model provides a lithium cell protective housing, includes box (1), its characterized in that: one end of the box body (1) is fixedly provided with a fixing device (3), and the top end of the box body (1) is provided with a limiting mechanism (2);

stop gear (2) are including spacing case (201), the lower inner wall fixedly connected with three first screwed pipe (24) of spacing case (201), and is three the internal surface of first screwed pipe (24) has all cup jointed first threaded rod (26), and in the lower inner wall that the bottom of first threaded rod (26) runs through spacing case (201) and extends to box (1), the bottom rotation of first threaded rod (26) is connected with pivot (28), the bottom fixedly connected with foam-rubber cushion (27) of pivot (28), three the equal swing joint in top of first screwed pipe (24) has gear (23), and the surface intermeshing of three gear (23) is connected, one of them the top of threaded rod (26) with one of them the bottom fixedly connected with of gear (23), one of them the top fixedly connected with connecting rod (25) of gear (23), the one end fixedly connected with handle (22) that gear (23) were kept away from to connecting rod (25).

2. The lithium battery cell protective casing of claim 1, wherein: fixing device (3) are including second screwed pipe (38), the one end fixed connection of second screwed pipe (38) and box (1), the internal surface of second screwed pipe (38) cup joints second threaded rod (301), and the one end of second threaded rod (301) runs through box (1) and extends to in box (1), one end fixedly connected with first fixed plate (33) of second threaded rod (301) in box (1), the one end fixedly connected with plectane (37) of first fixed plate (33) is kept away from to second threaded rod (301), and the one end rotation of plectane (37) and one end of second screwed pipe (38) is connected, one side inner wall fixedly connected with second fixed plate (303) of box (1), and the bottom and the inner wall fixed connection under box (1) of second fixed plate (303), first fixed plate (33) and the opposite face of second fixed plate (303) all offer a recess (304), and the surface fixed surface of recess (304) is equipped with plectane (31), one side of elastic housing (36) are connected.

3. The lithium battery cell protective casing of claim 2, wherein: the bottom fixedly connected with four dead levers (29) of spacing case (201), first draw-in groove (32) have all been seted up on the top both sides of box (1), second draw-in groove (34) have all been seted up on the top both sides of protecting crust (36), and first draw-in groove (32) and second draw-in groove (34) all cooperate dead lever (29) to use.

4. The lithium battery cell protective casing of claim 1, wherein: a round hole (21) matched with the handle (22) is formed in the top end of the limit box (201).

5. The lithium battery cell protective casing of claim 1, wherein: three electric core holes (4) are formed in the upper portion of the bottom end of the box body (1).

6. The lithium battery cell protective casing of claim 2, wherein: one end of the protective shell (36) is provided with a protective hole (35) matched with the circular plate (37).

7. The lithium battery cell protective casing of claim 2, wherein: the two sides of the first fixing plate (33) are fixedly connected with first sliding blocks (302), the two sides of the bottom end of the first fixing plate (33) are fixedly connected with second sliding blocks (39), and the two sides and the bottom end of the box body (1) are respectively provided with first sliding grooves (6) and second sliding grooves (5) which are matched with the first sliding blocks (302) and the second sliding blocks (39).

8. The lithium battery cell protective casing of claim 2, wherein: the elastic cotton (31) is semi-arc-shaped.