CN214411378U

CN214411378U - Protection device for lithium cell

Info

Publication number: CN214411378U
Application number: CN202022231839.XU
Authority: CN
Inventors: 曹景
Original assignee: Jiutian Kunpeng Engineering Consulting Hebei Co ltd
Current assignee: Kunpeng Digital Technology Co ltd
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-10-15
Anticipated expiration: 2030-10-10

Abstract

The utility model discloses a protector for lithium cell, including the guard box, the top of guard box inner wall is provided with first damping bumper shock absorber, the outside fixedly connected with connection box of first damping bumper shock absorber bottom, the axis department at connection box top is provided with lithium cell body, lithium cell body's outside fixedly connected with connecting plate, the inner chamber of connecting plate is provided with the connecting block, the top of connecting block is provided with the bolt. The utility model discloses a cooperation of guard box, first damping bumper shock absorber, connection frame, lithium cell body, connecting plate, connecting block, first spring, stand, pivot, sloping cam plate, fixed block, second spring, movable block, movable rod, sliding sleeve, second damping bumper shock absorber and bolt has solved current lithium cell and has generally used on the mobile device, because the protecting effect is poor, leads to the lithium cell to collide with the foreign object easily to cause the problem of the easy damage of lithium cell.

Description

Protection device for lithium cell

Technical Field

The utility model relates to a lithium cell technical field specifically is a protector for lithium cell.

Background

The lithium battery is a primary battery which uses lithium metal or lithium alloy as a negative electrode material and uses a non-aqueous electrolyte solution, and is different from a rechargeable battery, namely a lithium ion battery and a lithium ion polymer battery.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a protector for lithium cell to solve the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a protection device for a lithium battery comprises a protection box, wherein a first damping shock absorber is arranged at the top of the inner wall of the protection box, a connecting frame is fixedly connected to the outer side of the bottom of the first damping shock absorber, a lithium battery body is arranged at the middle shaft at the top of the connecting frame, a connecting plate is fixedly connected to the outer side of the lithium battery body, a connecting block is arranged in an inner cavity of the connecting plate, a bolt is arranged at the top of the connecting block, the bottom of the bolt sequentially penetrates through the connecting block and the first damping shock absorber and extends to the inner cavity of the first damping shock absorber, a movable block is fixedly connected to the bottom of the connecting frame and positioned at the right side of the middle shaft, a movable rod is movably connected to the bottom of the movable block, a sliding sleeve is movably connected to the bottom of the movable rod, first springs are fixedly connected to two sides of the bottom of the connecting frame, and a stand column is fixedly connected to the bottom of the first springs, the bottom and the guard box fixed connection of stand, the inner chamber cover of stand is equipped with the pivot, the axis department on pivot surface has seted up the helicla flute, and the inner chamber and the sliding sleeve swing joint of helicla flute, the equal fixedly connected with sloping cam plate in both sides of pivot, the both sides of guard box inner chamber bottom all are provided with the fixed block, the outside fixedly connected with second spring of fixed block, the outside and the guard box fixed connection of second spring, the back fixedly connected with second damping bumper shock absorber of stand, the top and the carriage fixed connection of second damping bumper shock absorber.

Preferably, the outer side of the upright post is fixedly connected with a bearing, and the inner cavity of the bearing is movably connected with the rotating shaft.

Preferably, the outer side of the connecting plate is provided with a movable groove, and the inner cavity of the movable groove is connected with the connecting block in a sliding manner.

Preferably, the top of the inner side of the upright post is fixedly connected with a sliding rod, and the surface of the sliding rod is in sliding connection with the sliding sleeve.

Preferably, the sliding grooves are formed in the two sides of the bottom of the inner cavity of the protective box, and the inner cavity of each sliding groove is connected with the fixed block in a sliding mode.

(III) advantageous effects

Compared with the prior art, the utility model provides a protector for lithium cell possesses following beneficial effect:

1. the utility model discloses when lithium cell body takes place the level and rocks, can drive first damping bumper shock absorber and take place deformation, take place when vertical rocking when lithium cell body, can drive the splice box and remove, when the splice box drives second damping bumper shock absorber and first spring and takes place deformation, still can drive the movable block and remove, the movable block drives the movable rod and removes, the movable rod drives the sliding sleeve and removes, the sliding sleeve drives the pivot and rotates, the pivot drives the sloping cam plate and rotates, the sloping cam plate drives the fixed block and removes, the fixed block drives the second spring and takes place deformation, thereby the effect of protection has been played lithium cell body, it generally uses on the mobile device to have solved current lithium cell, because the protecting effect is poor, lead to the easy and foreign object of lithium cell to bump, thereby cause the problem that the lithium cell damaged easily.

2. The utility model discloses a set up the bearing, stabilized the work of pivot, carried out the balanced support to the pivot, avoided pivot during operation unstable, through setting up movable groove, stabilized the work of connecting block, carried out the balanced support to the connecting block, avoided the connecting block during operation unstable, through setting up the spout, stabilized the work of fixed block, carried out the balanced support to the fixed block, avoided the fixed block during operation unstable.

Drawings

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

FIG. 2 is a schematic top view of the present invention;

fig. 3 is a schematic side view of the stand column of the present invention.

In the figure: 1. a protective box; 2. a first damping shock absorber; 3. a connecting frame; 4. a lithium battery body; 5. a connecting plate; 6. connecting blocks; 7. a first spring; 8. a column; 9. a rotating shaft; 10. a swash plate; 11. a fixed block; 12. a second spring; 13. a movable block; 14. a movable rod; 15. a sliding sleeve; 16. a second damping bumper; 17. and (4) bolts.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", 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 to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be 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 in specific cases to those skilled in the art.

The utility model discloses a protective housing 1, first damping bumper shock absorber 2, connecting frame 3, lithium cell body 4, connecting plate 5, connecting block 6, first spring 7, stand 8, pivot 9, sloping cam plate 10, fixed block 11, second spring 12, movable block 13, movable rod 14, sliding sleeve 15, second damping bumper shock absorber 16 and bolt 17 part are the general standard or the part that technical staff in the field knows, and its structure and principle all are this technical staff and all can learn the manual through the technique or learn through conventional experimental approach.

Referring to fig. 1-3, a protection device for a lithium battery comprises a protection box 1, a first damping vibration absorber 2 is arranged at the top of the inner wall of the protection box 1, a connecting frame 3 is fixedly connected to the outer side of the bottom of the first damping vibration absorber 2, a lithium battery body 4 is arranged at the center shaft of the top of the connecting frame 3, a connecting plate 5 is fixedly connected to the outer side of the lithium battery body 4, a movable groove is formed in the outer side of the connecting plate 5, the inner cavity of the movable groove is slidably connected with the connecting block 6, the working of the connecting block 6 is stabilized by the movable groove, the connecting block 6 is supported in a balanced manner, the instability during the working of the connecting block 6 is avoided, the connecting block 6 is arranged in the inner cavity of the connecting plate 5, a bolt 17 is arranged at the top of the connecting block 6, the bottom of the bolt 17 sequentially penetrates through the connecting block 6 and the first damping vibration absorber 2 and extends to the inner cavity of the first damping vibration absorber 2, and a movable block 13 is fixedly connected to the bottom of the connecting frame 3 and positioned at the right side of the center shaft, the bottom of the movable block 13 is movably connected with a movable rod 14, the bottom of the movable rod 14 is movably connected with a sliding sleeve 15, the top of the inner side of the upright post 8 is fixedly connected with a sliding rod, the surface of the sliding rod is slidably connected with the sliding sleeve 15, both sides of the bottom of the connecting frame 3 are fixedly connected with first springs 7, the bottom of the first springs 7 is fixedly connected with the upright post 8, the bottom of the upright post 8 is fixedly connected with the protective box 1, the inner cavity of the upright post 8 is sleeved with a rotating shaft 9, the outer side of the upright post 8 is fixedly connected with a bearing, the inner cavity of the bearing is movably connected with the rotating shaft 9, the working of the rotating shaft 9 is stabilized by arranging the bearing, the rotating shaft 9 is balanced supported, the instability of the rotating shaft 9 during working is avoided, a spiral groove is arranged at the middle shaft on the surface of the rotating shaft 9, the inner cavity of the spiral groove is movably connected with the sliding sleeve 15, both sides of the rotating shaft 9 are fixedly connected with a swash plate 10, both sides of the inner cavity of the protective box 1 are provided with fixed blocks 11, the spout has all been seted up to the both sides of 1 inner chamber bottom of protective housing, and the inner chamber and the 11 sliding connection of fixed block of spout, through setting up the spout, the work of fixed block 11 has been stabilized, balanced support has been carried out fixed block 11, fixed block 11 during operation has been avoided unstably, the outside fixedly connected with second spring 12 of fixed block 11, the outside and 1 fixed connection of protective housing of second spring 12, stand 8's back fixedly connected with second damping bumper shock absorber 16, the top and the 3 fixed connection of carriage of second damping bumper shock absorber 16.

When in use, when the lithium battery body 4 horizontally shakes, the first damping vibration absorber 2 is driven to deform, when the lithium battery body 4 vertically shakes, the connecting frame 3 is driven to move, the connecting frame 3 drives the second damping shock absorber 16 and the first spring 7 to deform, and simultaneously drives the movable block 13 to move, the movable block 13 drives the movable rod 14 to move, the movable rod 14 drives the sliding sleeve 15 to move, the sliding sleeve 15 drives the rotating shaft 9 to rotate, the rotating shaft 9 drives the swash plate 10 to rotate, the swash plate 10 drives the fixed block 11 to move, the fixed block 11 drives the second spring 12 to deform, thereby protecting the lithium battery body 4, solving the problem that the prior lithium battery is generally used on a mobile device, because the protective effect is poor, lead to the lithium cell to bump with the foreign object easily to cause the easy problem of damaging of lithium cell.

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 protector for lithium cell, includes protective housing (1), its characterized in that: the top of the inner wall of the protective box (1) is provided with a first damping shock absorber (2), the outer side of the bottom of the first damping shock absorber (2) is fixedly connected with a connecting frame (3), a lithium battery body (4) is arranged at the middle shaft position of the top of the connecting frame (3), the outer side of the lithium battery body (4) is fixedly connected with a connecting plate (5), an inner cavity of the connecting plate (5) is provided with a connecting block (6), the top of the connecting block (6) is provided with a bolt (17), the bottom of the bolt (17) sequentially penetrates through the connecting block (6) and the first damping shock absorber (2) and extends to the inner cavity of the first damping shock absorber (2), the bottom of the connecting frame (3) and the right side of the middle shaft position are fixedly connected with a movable block (13), the bottom of the movable block (13) is movably connected with a movable rod (14), and the bottom of the movable rod (14) is movably connected with a sliding sleeve (15), two sides of the bottom of the connecting frame (3) are fixedly connected with first springs (7), the bottom of the first spring (7) is fixedly connected with an upright post (8), the bottom of the upright post (8) is fixedly connected with the protective box (1), the inner cavity of the upright post (8) is sleeved with a rotating shaft (9), a spiral groove is arranged at the middle shaft on the surface of the rotating shaft (9), the inner cavity of the spiral groove is movably connected with a sliding sleeve (15), both sides of the rotating shaft (9) are fixedly connected with a swash plate (10), both sides of the bottom of the inner cavity of the protective box (1) are provided with fixed blocks (11), the outer side of the fixed block (11) is fixedly connected with a second spring (12), the outer side of the second spring (12) is fixedly connected with the protective box (1), the back of the upright post (8) is fixedly connected with a second damping shock absorber (16), the top of the second damping shock absorber (16) is fixedly connected with the connecting frame (3).

2. The protection device for a lithium battery as claimed in claim 1, wherein: the outer side of the upright post (8) is fixedly connected with a bearing, and the inner cavity of the bearing is movably connected with the rotating shaft (9).

3. The protection device for a lithium battery as claimed in claim 1, wherein: the outer side of the connecting plate (5) is provided with a movable groove, and the inner cavity of the movable groove is connected with the connecting block (6) in a sliding manner.

4. The protection device for a lithium battery as claimed in claim 1, wherein: the top of the inner side of the upright post (8) is fixedly connected with a sliding rod, and the surface of the sliding rod is connected with the sliding sleeve (15) in a sliding manner.

5. The protection device for a lithium battery as claimed in claim 1, wherein: the protection box is characterized in that sliding grooves are formed in two sides of the bottom of an inner cavity of the protection box (1), and the inner cavity of each sliding groove is connected with the corresponding fixed block (11) in a sliding mode.