CN218525615U

CN218525615U - Lithium battery with protection device

Info

Publication number: CN218525615U
Application number: CN202220804595.6U
Authority: CN
Inventors: 莫延均; 王宗博
Original assignee: Henan Mingbo New Energy Technology Co ltd
Current assignee: Henan Mingbo New Energy Technology Co ltd
Priority date: 2022-04-08
Filing date: 2022-04-08
Publication date: 2023-02-24
Anticipated expiration: 2032-04-08

Abstract

The utility model discloses a lithium cell with protection device, which comprises an outer shell, the bottom of shell is provided with the fixing base, the middle part of fixing base is the cavity setting, the second spout has been seted up to the upper end symmetry of fixing base, the middle part of second spout is provided with the montant, one side fixedly connected with fixed block of montant, the lateral wall of fixed block and the inner wall sliding connection of second spout, the upper end of fixed block is provided with the nut, first spout has been seted up to one side of montant, the inside of first spout is provided with first slider, first protective sheath of one side fixedly connected with and second protective sheath of first slider, one side of first protective sheath is provided with a plurality of fixture block. The utility model discloses in, utilize first protective sheath and second protective sheath to protect lithium cell body under the cooperation of fixture block and draw-in groove, the structure is fairly simple, can protect the lithium cell of equidimension not, and the practicality is stronger.

Description

Lithium battery with protection device

Technical Field

The utility model relates to a lithium cell protection device technical field especially relates to a lithium cell with protection device.

Background

A lithium primary battery, a high-energy chemical primary battery, commonly known as a lithium battery; the lithium primary battery has the unique characteristics of high specific energy, longer service life, liquid leakage resistance and the like, but has poor safety performance by taking metal lithium as a negative electrode, solid salts or salts dissolved in an organic solvent as an electrolyte and metal oxide or other solid and liquid oxidants as a positive electrode active material.

Current lithium cell lacks protection device when using, in reality only simple place the lithium cell when using the lithium cell and use in the draw-in groove, the lithium cell meets and bumps the time and bump easily when using to cause the damage to the lithium cell.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a lithium battery with a protection device.

In order to realize the purpose, the utility model adopts the following technical scheme: the utility model provides a lithium battery with protection device, includes the shell, the bottom of shell is provided with the fixing base, the middle part of fixing base is the cavity setting, the second spout has been seted up to the upper end symmetry of fixing base, the middle part of second spout is provided with the montant, one side fixedly connected with fixed block of montant, the lateral wall of fixed block and the inner wall sliding connection of second spout, the upper end of fixed block is provided with the nut, first spout has been seted up to one side of montant, the inside of first spout is provided with first slider, the first protective sheath of one side fixedly connected with and the second protective sheath of first slider, one side of first protective sheath is provided with a plurality of fixture block, one side of second protective sheath is provided with a plurality of draw-in groove, first protective sheath is provided with lithium cell with the middle part of second protective sheath.

As a further description of the above technical solution:

the middle part of fixing base is provided with the backup pad, the both ends of backup pad all extend to the inside of fixing base, and with the inner wall sliding connection of fixing base.

As a further description of the above technical solution:

the upper end symmetry of backup pad is provided with the movable rod, the outside of movable rod is provided with the sleeve, telescopic inside is provided with the spring, telescopic upper end and the top fixed connection of fixing base, the one end of spring and the one end fixed connection of movable rod.

As a further description of the above technical solution:

the lower end of the supporting plate is symmetrically provided with third sliding grooves, a second sliding block is arranged inside the third sliding grooves, a first rotating piece is fixedly connected to one side of the second sliding block, and a supporting rod is arranged in the middle of the first rotating piece.

As a further description of the above technical solution:

the lower extreme symmetry of fixing base is provided with the telescopic link, the output fixedly connected with third slider of telescopic link, the fourth spout has been seted up to the bottom symmetry of fixing base, the upper end fixedly connected with second of third slider rotates the piece.

As a further description of the above technical solution:

the two ends of the supporting rod are respectively connected with the middle parts of the first rotating piece and the second rotating piece in a rotating mode, and the side wall of the second sliding block is connected with the inside of the third sliding groove in a sliding mode.

As a further description of the above technical solution:

the lower end of the third sliding block is connected with the inner wall of the fourth sliding groove in a sliding mode.

As a further description of the above technical solution:

the upper end of shell is provided with the lid, the upper end fixedly connected with handle of lid, the fixture block is mutually supported with the draw-in groove.

The utility model discloses following beneficial effect has:

1. compared with the prior art, the utility model discloses a set up first protective sheath, second protective sheath and montant, utilize the montant to remove and cooperate first protective sheath and second protective sheath to fix the lithium cell, utilize fixed block and nut to fix the montant after fixed the completion, the holding stability.

2. Compared with the prior art, the utility model discloses a set up telescopic link, bracing piece, rotation piece and slider, support the lithium cell through the backup pad, utilize the weight of lithium cell self to extrude the backup pad when fixing the lithium cell, utilize telescopic link and bracing piece to mutually support the backup pad to protect the lithium cell, ensure the stability of lithium cell when removing.

Drawings

Fig. 1 is a cross-sectional view of a lithium battery with a protection device according to the present invention;

fig. 2 is a schematic view of a first protective cover of a lithium battery with a protective device according to the present invention;

fig. 3 is a front view of a second protective sheath of a lithium battery with a protective device according to the present invention;

fig. 4 is a perspective view of a lithium battery protection cover with a protection device according to the present invention;

fig. 5 is an enlarged view of a point a in fig. 1 according to the present invention;

fig. 6 is an enlarged view of the point B in fig. 1 according to the present invention.

Illustration of the drawings:

1. a housing; 2. a cover; 3. a handle; 4. a first chute; 5. a vertical rod; 6. a first slider; 7. a fixed seat; 8. a support plate; 9. a lithium battery body; 10. a first protective sheath; 11. a second protective cover; 12. a clamping block; 13. a card slot; 14. a movable rod; 15. a sleeve; 16. a spring; 17. a nut; 18. a second chute; 19. a fixed block; 20. a third chute; 21. a second slider; 22. a first rotating member; 23. a support bar; 24. a telescopic rod; 25. a fourth chute; 26. a third slider; 27. a second rotating member.

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 efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Referring to fig. 1-6, the present invention provides an embodiment: the utility model provides a lithium battery with protection device, which comprises an outer shell 1, the bottom of shell 1 is provided with fixing base 7, the middle part of fixing base 7 is the cavity setting, second spout 18 has been seted up to the upper end symmetry of fixing base 7, the middle part of second spout 18 is provided with montant 5, one side fixedly connected with fixed block 19 of montant 5, be used for fixing montant 5, it fixes lithium cell body 9 to be convenient for the protective sheath, the lateral wall of fixed block 19 and the inner wall sliding connection of second spout 18, the upper end of fixed block 19 is provided with nut 17, first spout 4 has been seted up to one side of montant 5, the inside of first spout 4 is provided with first slider 6, first protective sheath 10 of one side fixedly connected with and second protective sheath 11 of first slider 6, one side of first protective sheath 10 is provided with a plurality of fixture block 12, one side of second protective sheath 11 is provided with a plurality of draw-in groove 13, fixture block 12 and draw-in groove 13 mutually support, it is more convenient when protecting the lithium cell, the structure is fairly simple, first protective sheath 10 is provided with lithium cell body 9 with the middle part of second protective sheath 11.

A supporting plate 8 is arranged in the middle of the fixed seat 7, two ends of the supporting plate 8 extend into the fixed seat 7 and are connected with the inner wall of the fixed seat 7 in a sliding manner, a movable rod 14 is symmetrically arranged at the upper end of the supporting plate 8, a sleeve 15 is arranged outside the movable rod 14, a spring 16 is arranged inside the sleeve 15, the upper end of the sleeve 15 is fixedly connected with the top of the fixed seat 7, the supporting plate 8 can be buffered when the supporting plate 8 is moved by utilizing the cooperation of the movable rod 14 and the spring 16, the situation that the distance between the moving position of the supporting plate 8 is overlong, the lithium battery body 9 is prevented from moving out of the preset position, the case 1 cannot be covered by the cover 2 is avoided, one end of the spring 16 is fixedly connected with one end of the movable rod 14, a third chute 20 is symmetrically arranged at the lower end of the supporting plate 8, a second sliding block 21 is arranged inside the third chute 20, and a first rotating member 22 is fixedly connected with one side of the second sliding block 21, a supporting rod 23 is arranged in the middle of the first rotating part 22, telescopic rods 24 are symmetrically arranged at the lower end of the fixed seat 7, two telescopic rods 24 are used for simultaneously pushing a third sliding block 26 to move, the first rotating part 22 and a second rotating part 27 are reused for moving the supporting rod 23, thereby pushing the supporting plate 8 to move, the second sliding block 21 moves in a third sliding groove 20, the supporting plate 8 can be kept stable during moving, the lithium battery body 9 is prevented from inclining and the lithium battery cannot be protected, the third sliding block 26 is fixedly connected to the output end of the telescopic rod 24, fourth sliding grooves 25 are symmetrically formed in the bottom of the fixed seat 7, a second rotating part 27 is fixedly connected to the upper end of the third sliding block 26, two ends of the supporting rod 23 are respectively and rotatably connected with the middle parts of the first rotating part 22 and the second rotating part 27, and the supporting rod 23 can move by using the first rotating part 22 and the second rotating part 27, drive second slider 21 in the activity and remove to promote backup pad 8 and remove, the inside sliding connection of the lateral wall of second slider 21 and third spout 20, the lower extreme of third slider 26 and the inner wall sliding connection of fourth spout 25, the upper end of shell 1 is provided with lid 2, the upper end fixedly connected with handle 3 of lid 2, fixture block 12 and draw-in groove 13 mutually support.

The working principle is as follows: use the utility model discloses the time, place lithium cell body 9 in the upper end of backup pad 8, remove montant 5 through second spout 18, mutually support first slider 6 and first spout 4, first protective sheath 10 and second protective sheath 11 mutually support through fixture block 12 and draw-in groove 13, be used for fixing lithium cell body 9, it fixes fixed block 19 to recycle nut 17, place lithium cell body 9 and utilize telescopic link 24 to promote third slider 26 to remove in the time of backup pad 8 upper end, utilize bracing piece 23 to promote second slider 21 to remove, thereby promote backup pad 8 and promote, it fixes to move lithium cell body 9 suitable position, lithium cell body 9 stability that can ensure when using.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions on some technical features, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims

1. A lithium battery with a protection device, comprising a casing (1), characterized in that: the utility model discloses a lithium battery protection sleeve, including shell (1), fixing base (7), the middle part of fixing base (7) is the cavity setting, second spout (18) have been seted up to the upper end symmetry of fixing base (7), the middle part of second spout (18) is provided with montant (5), one side fixedly connected with fixed block (19) of montant (5), the lateral wall of fixed block (19) and the inner wall sliding connection of second spout (18), the upper end of fixed block (19) is provided with nut (17), first spout (4) have been seted up to one side of montant (5), the inside of first spout (4) is provided with first slider (6), one side fixedly connected with first protective sheath (10) and second protective sheath (11) of first slider (6), one side of first protective sheath (10) is provided with a plurality of fixture block (12), one side of second protective sheath (11) is provided with a plurality of draw-in groove (13), first protective sheath (10) and the middle part of second protective sheath (11) are provided with lithium cell (9).

2. A lithium battery with a protection device according to claim 1, characterized in that: the middle part of fixing base (7) is provided with backup pad (8), the both ends of backup pad (8) all extend to the inside of fixing base (7), and with the inner wall sliding connection of fixing base (7).

3. A lithium battery with a protection device according to claim 2, characterized in that: the upper end symmetry of backup pad (8) is provided with movable rod (14), the outside of movable rod (14) is provided with sleeve (15), the inside of sleeve (15) is provided with spring (16), the top fixed connection of the upper end of sleeve (15) and fixing base (7), the one end of spring (16) and the one end fixed connection of movable rod (14).

4. A lithium battery with a protection device according to claim 3, characterized in that: third chutes (20) are symmetrically formed in the lower end of the supporting plate (8), second sliding blocks (21) are arranged inside the third chutes (20), first rotating pieces (22) are fixedly connected to one sides of the second sliding blocks (21), and supporting rods (23) are arranged in the middle of the first rotating pieces (22).

5. A lithium battery with a protection device according to claim 4, characterized in that: the lower extreme symmetry of fixing base (7) is provided with telescopic link (24), output fixedly connected with third slider (26) of telescopic link (24), fourth spout (25) have been seted up to the bottom symmetry of fixing base (7), the upper end fixedly connected with second of third slider (26) rotates piece (27).

6. A lithium battery with a protection device according to claim 5, characterized in that: the two ends of the supporting rod (23) are respectively connected with the middle parts of the first rotating piece (22) and the second rotating piece (27) in a rotating mode, and the side wall of the second sliding block (21) is connected with the inside of the third sliding groove (20) in a sliding mode.

7. A lithium battery with a protection device according to claim 6, characterized in that: the lower end of the third sliding block (26) is connected with the inner wall of the fourth sliding groove (25) in a sliding mode.

8. A lithium battery with a protection device according to claim 7, characterized in that: the upper end of shell (1) is provided with lid (2), the upper end fixedly connected with handle (3) of lid (2), fixture block (12) and draw-in groove (13) are mutually supported.