CN218957888U

CN218957888U - Combined small lithium battery

Info

Publication number: CN218957888U
Application number: CN202223434652.5U
Authority: CN
Inventors: 谢志刚; 陈婷
Original assignee: Weirui New Energy Co ltd
Current assignee: Weirui New Energy Co ltd
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-05-02
Anticipated expiration: 2032-12-22

Abstract

The utility model discloses a combined small lithium battery, which belongs to the technical field of lithium batteries and comprises a bottom plate, a battery box body, an upper cover plate, a bearing plate, a containing groove and a lithium battery main body, wherein the middle part of the upper end of the bottom plate is fixedly connected with the battery box body, the upper cover plate is covered on the upper end of the battery box body, and the bearing plate is arranged in the battery box body; further comprises: the upper end of the inserting rod penetrates through the upper cover plate, and the upper end of the inserting rod is provided with a limit nut; the side guide rod is used for connecting the guide rod and the sliding block, the clamping column is inserted into the sliding block, the end part of the clamping column is fixed in the battery box body, and an auxiliary spring is sleeved on the outer side of the clamping column. This small-size lithium cell of combination formula can be in the in-process of using convenient carry out spacing to the lithium cell and avoid bumping each other, can provide the shock attenuation buffer power at the in-process that the lithium cell transportation was gone simultaneously.

Description

Combined small lithium battery

Technical Field

The utility model relates to the technical field of lithium batteries, in particular to a combined small lithium battery.

Background

The lithium battery is a primary battery using lithium metal or lithium alloy as a negative electrode material and nonaqueous electrolyte solution, and most of the current small lithium batteries are usually stored and placed in a box in a concentrated manner.

The combined small lithium battery with the publication number of CN215220874U comprises an upper pressing plate and a lower pressing plate; the lithium battery body is positioned between the upper pressing plate and the lower pressing plate, the upper surface of the lower pressing plate is symmetrically and fixedly connected with a telescopic rod, the top end of the telescopic rod is fixedly connected with a threaded rod, and the upper end of the threaded rod penetrates through the upper pressing plate and is in threaded connection with a nut; the lower surface of the upper pressing plate is provided with an accommodating groove, the upper end of the lithium battery body is positioned in the accommodating groove, a clamping plate is elastically connected in the accommodating groove, and the clamping plate is matched with the circumferential side wall of the upper end of the lithium battery body;

the following technical problems exist in the prior art: the bottom of current lithium cell is placed in the inside of holding tank in the in-process of using, fixes the lithium cell through the inside grip block of holding tank to thereby, however, the lithium cell is fixed the back, can not provide lithium cell shock attenuation buffer power to when leading to the lithium cell to run into the road section of jolting in the transportation, cause the damage to the lithium cell because of the vibrations range is too big easily.

We have therefore proposed a combined small lithium battery in order to solve the problems set forth above.

Disclosure of Invention

The utility model aims to provide a combined small lithium battery, which is used for solving the problems that the bottom of the lithium battery is placed in a containing groove in the using process of the lithium battery in the prior market, and the lithium battery is fixed through a clamping plate in the containing groove, however, after the lithium battery is fixed, the damping buffer force of the lithium battery cannot be provided, so that the lithium battery is easily damaged due to overlarge vibration amplitude when the lithium battery encounters a bumpy road section in the transportation and running process.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the combined small lithium battery comprises a bottom plate, a battery box body, an upper cover plate, a bearing plate, a containing groove and a lithium battery main body, wherein the middle part of the upper end of the bottom plate is fixedly connected with the battery box body, the upper cover plate is covered on the upper end of the battery box body, the bearing plate is arranged in the battery box body, the containing groove is formed in the bearing plate, and the lithium battery main body is placed in the containing groove;

further comprises:

the upper end of the inserting rod penetrates through the upper cover plate, and the upper end of the inserting rod is provided with a limit nut;

the limiting air bag is fixed in a containing groove formed in the bearing plate;

the lower end of the guide rod is inserted into the positioning column, and the lower end of the guide rod is connected with the inside of the positioning column through a booster spring;

the side guide rod is used for connecting the guide rod and the sliding block, the clamping column is inserted into the sliding block, the end part of the clamping column is fixed in the battery box body, and an auxiliary spring is sleeved on the outer side of the clamping column.

Preferably, the upper end of the bottom plate of the plug rod is provided with four plug rods, the outer side of the upper end of each plug rod is provided with threads, and the plug rods are in threaded connection with the limit nuts.

Through adopting above-mentioned technical scheme, through twisting stop nut on the plug rod to can conveniently utilize stop nut to compress tightly the upper cover plate on the battery box.

Preferably, the holding groove sets up to annular structure, and holding groove evenly distributed on the loading board to the inside of every holding groove all fixedly connected with sets up to annular structure's spacing gasbag.

Through adopting above-mentioned technical scheme, thereby can press from both sides tightly the lithium cell through the resilience force that resets that spacing gasbag provided, guarantee the stability of lithium cell.

Preferably, the outer wall of the lower end of the guide rod and the inner wall of the positioning column are mutually attached, and the cross section of the guide rod is of a rectangular structure.

Through adopting above-mentioned technical scheme, the lower extreme outer wall of guide arm and the inner wall of reference column laminating each other to can guarantee the stability of guide arm when moving on the reference column.

Preferably, the guide rod forms an elastic telescopic structure through the booster spring and the positioning column, and the guide rod and the sliding block are both hinged with the end parts of the side guide rods.

By adopting the technical scheme, after the guide rod moves, the sliding block can be pushed by the side guide rod connected in a hinged manner to synchronously move.

Preferably, the inner wall of the middle part of the sliding block is mutually attached to the outer wall of the end part of the clamping column with the circular structure, and the sliding block is in sliding connection with the clamping column.

Through adopting above-mentioned technical scheme, thereby utilize the horizontal migration of sliding block on the joint post can utilize auxiliary spring's elastic deformation to play shock attenuation cushioning effect.

Compared with the prior art, the utility model has the beneficial effects that: the combined small lithium battery can conveniently limit the lithium battery in the use process to avoid collision, and can provide damping buffer force in the transportation and running process of the lithium battery;

1. the lithium battery body is provided with a limiting air bag, the lower end of the lithium battery body is inserted into an accommodating groove at the upper end of the bearing plate, the limiting air bag is extruded by the lithium battery body, the lithium battery body can be wrapped and clamped through reset resilience force provided by the limiting air bag, so that the stability of the lithium battery body in placement is ensured, then the upper cover plate is correspondingly inserted into the inserting connection rod, and a limiting nut is screwed at the upper end of the inserting connection rod to compress the upper cover plate, so that the whole assembly is completed;

2. the guide rod is arranged, when vibration is generated in the transportation process, the guide rod at the lower end of the bearing plate moves on the positioning column, the guide rod can play a role in buffering by utilizing elastic deformation of the booster spring after moving, meanwhile, the guide rod can push the sliding block to move on the clamping column by utilizing the side guide rod which is connected in a hinged mode, and the auxiliary spring can play a role in further damping and buffering by utilizing the movement of the sliding block.

Drawings

FIG. 1 is a schematic view of a front perspective structure of the present utility model;

FIG. 2 is a schematic cross-sectional perspective view of a battery case and a carrier plate of the present utility model;

FIG. 3 is a schematic view of the bottom structure of the carrier plate and skid block of the present utility model;

FIG. 4 is a schematic perspective view of the guide bar and side guide bar of the present utility model;

FIG. 5 is a schematic cross-sectional view of a guide rod and a positioning column according to the present utility model.

In the figure: 1. a bottom plate; 2. a battery case; 3. an upper cover plate; 4. inserting a connecting rod; 5. a limit nut; 6. a carrying plate; 7. a receiving groove; 8. a limit air bag; 9. a lithium battery main body; 10. a guide rod; 11. positioning columns; 12. a booster spring; 13. a side guide bar; 14. a sliding block; 15. a clamping column; 16. an auxiliary spring.

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.

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a small-size lithium cell of combination formula, includes bottom plate 1, battery box 2, upper cover plate 3, loading board 6, holding tank 7 and lithium cell main part 9, and the upper end middle part fixedly connected with battery box 2 of bottom plate 1, and the upper end of battery box 2 closes and has upper cover plate 3, and the internally mounted of battery box 2 has loading board 6, and has seted up holding tank 7 on the loading board 6, and the inside of holding tank 7 is put and has had lithium cell main part 9; a plug rod 4 is fixedly arranged at the corner of the upper end of the bottom plate 1, the upper end of the plug rod 4 penetrates through the upper cover plate 3, and a limit nut 5 is arranged at the upper end of the plug rod 4; the limiting air bag 8 is fixed in a containing groove 7 formed in the bearing plate 6; the upper end of the bottom plate 1 of the inserting rod 4 is provided with four inserting rods, the outer side of the upper end of each inserting rod 4 is provided with threads, and the inserting rods 4 are in threaded connection with limit nuts 5. The holding grooves 7 are arranged to be of annular structure, the holding grooves 7 are uniformly distributed on the carrying plate 6, and the limiting air bags 8 which are arranged to be of annular structure are fixedly connected to the inside of each holding groove 7.

As shown in fig. 1 and 2, the lower end of the lithium battery main body 9 is inserted into the accommodating groove 7 on the bearing plate 6, the lithium battery main body 9 extrudes the limit air bag 8 in the accommodating groove 7, and the lithium battery main body 9 can be limited and clamped by the reset resilience force provided by the limit air bag 8, so that the stability of the lithium battery main body 9 is ensured, the corners of the upper cover plate 3 are correspondingly inserted into the four plugging rods 4, the lower surface of the upper cover plate 3 is in contact with the upper surface of the battery box body 2, and the limit nuts 5 are screwed on the plugging rods 4, so that the whole assembly and fixation can be completed.

The guide rod 10 is fixedly connected to the lower end of the bearing plate 6, the lower end of the guide rod 10 is inserted into the positioning column 11, and the lower end of the guide rod 10 and the inside of the positioning column 11 are connected with each other through the booster spring 12; the side guide rod 13 is used for connecting the guide rod 10 and the sliding block 14, the sliding block 14 is inserted with the clamping column 15, the end part of the clamping column 15 is fixed in the battery box body 2, and the outer side of the clamping column 15 is sleeved with the auxiliary spring 16. The outer wall of the lower end of the guide rod 10 and the inner wall of the positioning column 11 are attached to each other, and the cross section of the guide rod 10 is set to a rectangular structure. The guide rod 10 forms an elastic telescopic structure through the booster spring 12 and the positioning column 11, and the guide rod 10 and the sliding block 14 are both hinged with the end part of the side guide rod 13. The inner wall of the middle part of the sliding block 14 is mutually attached to the outer wall of the end part of the clamping column 15 with a circular structure, and the sliding block 14 is in sliding connection with the clamping column 15.

As shown in fig. 2-5, when the lithium battery main body 9 vibrates in the transportation process, the bearing plate 6 drives the guide rod 10 to move in the positioning column 11, the guide rod 10 can play a role in damping and buffering through elastic deformation of the power-assisted spring 12 after moving in the positioning column 11, the guide rod 10 can push the sliding block 14 to horizontally slide on the clamping column 15 by using the side guide rod 13 in hinged connection after moving, and the sliding block 14 can play a role in further damping and buffering by using the auxiliary spring 16 through moving on the clamping column 15, so that damage to the lithium battery main body 9 caused by overlarge vibration amplitude is avoided.

Working principle: when the combined small lithium battery is used, firstly, according to the illustration of fig. 1-5, reset resilience force provided by the limit air bag 8 in the accommodating groove 7 can limit and clamp the lithium battery main body 9, after the upper cover plate 3 is inserted into the plug-in rod 4, the lower surface of the upper cover plate contacts with the upper surface of the battery box body 2, the limit nut 5 is screwed on the plug-in rod 4, the whole assembly and fixation can be completed, the guide rod 10 can play a damping and buffering role through elastic deformation of the booster spring 12 after the positioning column 11 moves, and meanwhile, the sliding block 14 can play a further damping and buffering role through the movement of the sliding block 14 on the clamping column 15 by utilizing the auxiliary spring 16.

What is not described in detail in this specification is prior art known to those skilled in the art.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a small-size lithium cell of combination formula, includes bottom plate (1), battery box (2), upper cover plate (3), loading board (6), holding tank (7) and lithium cell main part (9), the upper end middle part fixedly connected with battery box (2) of bottom plate (1), and the upper end of battery box (2) closes there is upper cover plate (3), the internally mounted of battery box (2) has loading board (6), and has seted up holding tank (7) on loading board (6), lithium cell main part (9) are put to the inside of holding tank (7);

characterized by further comprising:

the inserting rod (4) is fixedly arranged at the corner of the upper end of the bottom plate (1), the upper end of the inserting rod (4) penetrates through the upper cover plate (3), and the upper end of the inserting rod (4) is provided with a limit nut (5);

the limiting air bag (8) is fixed in a containing groove (7) formed in the bearing plate (6);

the guide rod (10) is fixedly connected to the lower end of the bearing plate (6), the lower end of the guide rod (10) is inserted into the positioning column (11), and the lower end of the guide rod (10) and the inside of the positioning column (11) are connected with each other through the power-assisted spring (12);

the side guide rod (13) is used for connecting the guide rod (10) and the sliding block (14), the sliding block (14) is inserted with the clamping column (15), the end part of the clamping column (15) is fixed in the battery box body (2), and the outer side of the clamping column (15) is sleeved with the auxiliary spring (16).

2. The combination small-sized lithium battery according to claim 1, wherein: the upper end of the bottom plate (1) of the inserting rod (4) is provided with four, threads are arranged on the outer side of the upper end of each inserting rod (4), and the inserting rods (4) are in threaded connection with the limit nuts (5).

3. The combination small-sized lithium battery according to claim 1, wherein: the holding grooves (7) are arranged to be of annular structures, the holding grooves (7) are uniformly distributed on the bearing plate (6), and limiting air bags (8) which are arranged to be of annular structures are fixedly connected to the inside of each holding groove (7).

4. The combination small-sized lithium battery according to claim 1, wherein: the outer wall of the lower end of the guide rod (10) and the inner wall of the positioning column (11) are mutually attached, and the cross section of the guide rod (10) is of a rectangular structure.

5. The combination small-sized lithium battery according to claim 1, wherein: the guide rod (10) forms an elastic telescopic structure through the power-assisted spring (12) and the positioning column (11), and the guide rod (10) and the sliding block (14) are both hinged with the end part of the side guide rod (13).

6. The combination small-sized lithium battery according to claim 1, wherein: the inner wall of the middle part of the sliding block (14) is mutually attached to the outer wall of the end part of the clamping column (15) with a circular structure, and the sliding block (14) is in sliding connection with the clamping column (15).