CN219123374U

CN219123374U - Lithium battery protective casing

Info

Publication number: CN219123374U
Application number: CN202223405199.5U
Authority: CN
Inventors: 段兴祎; 张家红
Original assignee: Dongguan Nengyou Energy Technology Co ltd
Current assignee: Dongguan Nengyou Energy Technology Co ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-06-02
Anticipated expiration: 2032-12-19

Abstract

The utility model discloses a lithium battery protective shell which comprises a main box body, wherein a cover plate is lapped on the surface of the main box body, a lifting groove is formed on the surface of the cover plate, a heat dissipation opening is formed on the side wall of the main box body, a heat dissipation net is arranged in the heat dissipation opening, symmetrically arranged fixing blocks are arranged on the inner wall of the main box body, an open limiting frame is fixedly arranged at the end parts of the fixing blocks, an inserting rod is fixedly inserted into the limiting frame, a sliding block which is slidably connected inside the limiting frame is sleeved on the periphery of the inserting rod, damping springs sleeved on the periphery of the inserting rod are abutted to the top and the bottom of the sliding block, and a columnar lithium battery fixing assembly is arranged between the end parts of the sliding block. The utility model can provide buffer and shock absorption for the lithium battery in the protective shell, avoid the damage of the battery core caused by impact of hard vibration on the lithium battery, and prolong the service life of the lithium battery.

Description

Lithium battery protective casing

Technical Field

The utility model relates to the technical field of lithium battery mounting equipment, in particular to a lithium battery protective shell.

Background

Lithium ion batteries do not contain lithium in a metallic state and are rechargeable, and because they are excellent in performance and low in manufacturing cost compared with other types of batteries, more and more manufacturers of electric appliances choose to purchase lithium batteries. Generally, lithium batteries can be used only after being combined and assembled, and most of lithium batteries are formed into a battery pack after a plurality of lithium battery monomers are bonded by adopting adhesive, and then are installed on electric equipment.

The application number CN202110546511.3 discloses a plastic lithium battery protection shell body, which comprises an upper cover and a lower cover assembled on the upper cover, wherein one side of the upper cover, which is close to the lower cover, is provided with a groove.

However, the above patent has the problem that the lithium battery protection shell is easy to collide with the protection shell under the action of external force when in use, so that the battery core of the lithium battery is damaged.

Disclosure of Invention

The utility model mainly aims to provide the lithium battery protective shell, which can provide buffer and shock absorption for the lithium battery in the protective shell, avoid the damage of a battery core caused by impact of hard vibration on the lithium battery, prolong the service life of the lithium battery and effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a lithium battery protective housing, includes the main tank body, the surface overlap joint of main tank body has the apron, the surface construction of apron has the pulling groove, the lateral wall structure of main tank body has the thermovent, and installs the heat dissipation net in the thermovent, the fixed block that the symmetry set up is installed to the inner wall of main tank body, and the tip installation of fixed block is fixed with the spacing frame that uncovered set up, and the inside grafting of spacing frame is fixed with the inserted bar, and the sleeve of inserted bar periphery is equipped with the slider of sliding connection in spacing frame inside, the equal butt in top and the bottom of slider is established at the damping spring of inserted bar periphery, install column lithium battery fixed subassembly between the tip of slider.

Further, the fixed subassembly of column lithium cell includes riser board, regulating block, anodal cardboard and negative pole backup pad, the lateral wall of riser board passes through the bolt fastening at the tip of slider, the negative pole backup pad is fixed between the bottom of riser board, the inner wall structure of riser board has the spacing groove, and has inserted the regulating block in the spacing groove, fixed mounting has anodal cardboard between the tip of regulating block.

Further, the bottom surface of apron and the inside bottom surface of main box all are constructed with rectangular groove, and all bond the rubber protection pad in the rectangular groove.

Further, the side wall of the negative electrode support plate is provided with equally spaced screw holes, and transverse connecting columns with two ends provided with threaded protrusions are screwed into the screw holes.

Further, the lateral wall installation of apron is fixed with the location strip, the lateral wall installation of main tank is fixed with the stopper, the tip of location strip extends to the inside of stopper.

Further, round grooves distributed at equal intervals are formed in the surface of the negative electrode supporting plate, and double-layer round holes distributed at equal intervals are formed in the surface of the positive electrode clamping plate.

Further, the outer walls of the two sides of the main box body are welded and fixed with fixing lugs, and through holes are formed in the surfaces of the fixing lugs.

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

1. according to the lithium battery protection shell, through the fixed block, the limiting frame, the inserted link, the sliding block and the damping spring, the damping vibration attenuation can be provided for a lithium battery in the lithium battery protection shell, and the damage to the battery core caused by impact of hard vibration on the lithium battery is avoided, so that the service life of the lithium battery can be prolonged;

2. this lithium cell protecting sheathing, through the fixed subassembly of column lithium cell that sets up, the fixed column lithium cell of convenient equipment side by side, it is comparatively convenient to use, does benefit to the production efficiency that improves the column lithium cell.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a lithium battery protection shell according to the present utility model.

Fig. 2 is a sectional view of a lithium battery protective case according to the present utility model.

Fig. 3 is a schematic structural view of a cylindrical lithium battery fixing assembly of a lithium battery protection case according to the present utility model.

In the figure: 1. a main case; 2. a heat dissipation net; 3. a fixed ear; 4. a limiting block; 5. a positioning strip; 6. a cover plate; 7. a pulling groove; 8. a fixed block; 9. a limit frame; 10. a rod; 11. a slide block; 12. damping vibration-absorbing springs; 13. vertical laths; 14. an adjusting block; 15. a positive electrode clamping plate; 16. a double-layer round hole; 17. a negative electrode support plate; 18. a circular groove; 19. a transverse connecting column; 20. and a rubber protection pad.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-3, a lithium battery protection shell comprises a main box body 1, a cover plate 6 is lapped on the surface of the main box body 1, a lifting groove 7 is formed on the surface of the cover plate 6, a radiating opening is formed on the side wall of the main box body 1, a radiating net 2 is arranged in the radiating opening, a symmetrically arranged fixing block 8 is arranged on the inner wall of the main box body 1, a limiting frame 9 which is arranged in an open mode is fixedly arranged at the end portion of the fixing block 8, an inserting rod 10 is fixedly inserted into the limiting frame 9, a sliding block 11 which is slidably connected inside the limiting frame 9 is sleeved on the periphery of the inserting rod 10, a damping spring 12 which is sleeved on the periphery of the inserting rod 10 is abutted to the top and the bottom of the sliding block 11, a columnar lithium battery fixing component is arranged between the end portions of the sliding block 11, a positioning strip 5 is fixedly arranged on the side wall of the cover plate 6, a limiting lug 3 is fixedly arranged on the side wall of the main box body 1, a limiting block 4 is fixedly arranged on the side wall of the main box body 1, and two lug 3 fixing lugs 3 are fixedly welded on the two sides of the limiting block 4.

For the convenient fixed column lithium cell side by side of equipment, as shown in fig. 2 and 3, column lithium cell fixed subassembly includes vertical slat 13, regulating block 14, anodal cardboard 15 and negative pole backup pad 17, the lateral wall of vertical slat 13 passes through the bolt fastening at the tip of slider 11, negative pole backup pad 17 is fixed between the bottom of vertical slat 13, the inner wall of vertical slat 13 is constructed with the spacing groove, and regulating block 14 has been inserted in the spacing groove, fixed mounting has anodal cardboard 15 between the tip of regulating block 14, the lateral wall of negative pole backup pad 17 is constructed with equidistant screw that distributes, and the screw internal rotation has both ends all constructed with the bellied transverse connection post 19 of screw thread, the surface construction of negative pole backup pad 17 has equidistant circular slot 18 that distributes, the surface construction of anodal cardboard 15 has equidistant double-deck round hole 16 that distributes.

It should be noted that, the utility model is a lithium battery protection shell, when assembling the columnar lithium battery, firstly, the negative electrode of the columnar lithium battery is aligned to the round groove 18 and inserted, then the positive electrode clamping plate 15 is covered on the top of the columnar lithium battery, so that the positive electrode of the columnar lithium battery is clamped into the double-layer round hole 16, then the positive electrode is connected with the positive electrode and the negative electrode by using an electric wire, the side wall of the vertical slat 13 passes through the bolt to fix the adjusting block 14, thus the assembly of the columnar lithium battery can be completed, then the threaded bulges at two ends of the transverse connecting pillar 19 are screwed into the screw holes at the side walls of different negative electrode supporting plates 17 respectively, a plurality of groups of columnar lithium batteries are fixedly connected, finally, the vertical slat 13 is fixed at the end of the sliding block 11 by using the bolt, the cover plate 6 is covered, the positioning bar 5 is inserted into the limit block 4, and the columnar lithium battery integrally drives the columnar lithium battery fixing component to move up and down along with the sliding block 11 in the daily use process, so as to squeeze the damping spring 12 above and below.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a lithium battery protective housing, includes main box (1), its characterized in that, the surface overlap joint of main box (1) has apron (6), the surface construction of apron (6) has and carries draw groove (7), the lateral wall structure of main box (1) has the thermovent, and installs in the thermovent radiating net (2), fixed block (8) that the symmetry set up are installed to the inner wall of main box (1), and the tip installation of fixed block (8) is fixed with spacing frame (9) that open set up, and the inside grafting of spacing frame (9) is fixed with inserted bar (10), and the periphery cover of inserted bar (10) is equipped with sliding connection slider (11) inside spacing frame (9), the top and the bottom of slider (11) all butt have the damping spring (12) of cover at inserted bar (10) periphery, install column lithium battery fixed subassembly between the tip of slider (11).

2. The lithium battery protective case according to claim 1, wherein: the columnar lithium battery fixing assembly comprises a vertical plate (13), an adjusting block (14), an anode clamping plate (15) and a cathode supporting plate (17), wherein the side wall of the vertical plate (13) is fixed at the end part of a sliding block (11) through a bolt, the cathode supporting plate (17) is fixed between the bottoms of the vertical plate (13), a limiting groove is formed in the inner wall of the vertical plate (13), the adjusting block (14) is inserted into the limiting groove, and the anode clamping plate (15) is fixedly installed between the end parts of the adjusting block (14).

3. The lithium battery protective case according to claim 1, wherein: rectangular grooves are formed in the bottom surface of the cover plate (6) and the inner bottom surface of the main box body (1), and rubber protection pads (20) are adhered in the rectangular grooves.

4. A lithium battery protective case according to claim 2, wherein: the side wall of the negative electrode supporting plate (17) is provided with equally spaced screw holes, and transverse connecting columns (19) with threaded protrusions at two ends are screwed into the screw holes.

5. The lithium battery protective case according to claim 1, wherein: the side wall installation of apron (6) is fixed with location strip (5), the side wall installation of main tank body (1) is fixed with stopper (4), the tip of location strip (5) extends to the inside of stopper (4).

6. A lithium battery protective case according to claim 2, wherein: round grooves (18) distributed at equal intervals are formed in the surface of the negative electrode supporting plate (17), and double-layer round holes (16) distributed at equal intervals are formed in the surface of the positive electrode clamping plate (15).

7. The lithium battery protective case according to claim 1, wherein: the two side outer walls of the main box body (1) are fixedly welded with fixing lugs (3), and through holes are formed in the surface structures of the fixing lugs (3).