CN213401376U

CN213401376U - Pole lug structure of lithium battery

Info

Publication number: CN213401376U
Application number: CN202022298569.4U
Authority: CN
Inventors: 易超; 王品宇; 邵勇
Original assignee: Heyuan Dongju Energy Technology Co ltd
Current assignee: Heyuan Dongju Energy Technology Co ltd
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-06-08
Anticipated expiration: 2030-10-15

Abstract

The utility model discloses a utmost point ear structure of lithium cell, including the panel main part, be provided with two utmost point ear main parts in the panel main part, two the end of utmost point ear main part is located outside the panel main part, the fixed installation cover that has cup jointed in the panel main part, the lag has been cup jointed in the top activity of panel main part, the bottom of lag is laminated with the top of installation cover mutually. The utility model relates to a lithium battery technology field, when the device need not to use, at first overlap the top in the panel main part with the lag sleeve, then stimulate the cardboard and drive the kelly and slide into the draw-in groove, the terminal in-process of draw-in groove is reachd at the dop, the dop can promote the ejector pad and drive slide bar compression recess until with one side of ejector pad card at the dop, at last stimulate the live spring drive hook advance the intra-annular can, can effectually avoid the device to be buckled because of the object collision leads to partial utmost point ear, the fold state, thereby the effectual probability that reduces the device damage.

Description

Pole lug structure of lithium battery

Technical Field

The utility model relates to a lithium cell technical field especially relates to a utmost point ear structure of lithium cell.

Background

The vigorous development of new energy automobiles is a major measure taken by governments in China for solving energy and environmental problems and realizing sustainable development, and the performance, the manufacturing process and the safety of the power lithium ion secondary battery are the primary consideration when the power lithium ion secondary battery is used as an important component of the new energy automobiles;

in the production process of a large square lithium ion battery, after the tabs are cut into shapes by laser, due to the fact that the tabs are light, thin, soft and large in area, after a large number of rollers are wound, the tabs are easily subjected to shear stress and collide with objects, so that part of the tabs are bent and folded, and repeated bending possibly seriously affects the quality and the through rate of the battery.

Therefore, the pole ear structure of the lithium battery is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems existing in the prior art and providing a pole ear structure of a lithium battery.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a tab structure of a lithium battery comprises a battery panel main body, wherein two tab main bodies are arranged in the battery panel main body, the ends of the two tab main bodies are positioned outside the battery panel main body, a mounting sleeve is fixedly sleeved on the battery panel main body, a protective sleeve is movably sleeved on the top of the battery panel main body, the bottom of the protective sleeve is attached to the top of the mounting sleeve, mounting seats are fixedly connected to two sides of the protective sleeve, a clamping plate is rotatably connected to the mounting seats, a clamping rod is fixedly connected to one side, opposite to the clamping plate, of each clamping plate, clamping grooves are formed in two sides of the mounting sleeve, one end, far away from the clamping plate, of each clamping rod is slidably connected to the clamping grooves and is fixedly connected with a clamping head, grooves are formed in two sides of the mounting sleeve, a sliding rod is slidably connected to the grooves, a push block, the bottom fixedly connected with supporting spring of slide bar, supporting spring's the bottom of other end fixed connection in the recess, the both sides of installation cover have all been seted up and have been drawn the mouth, draw mouthful sliding connection has the pull rod, the one end fixed connection of pull rod is in one side of slide bar.

Preferably, two equal fixedly connected with in one end that the pull rod was carried on the back mutually draws the piece, the shape of drawing the piece is the square, just draw the surface of piece and seted up anti-skidding line.

Preferably, the supporting spring is made of stainless steel, and the outer surface of the supporting spring is wrapped with a waterproof membrane.

Preferably, each of the chucks and each of the pushing blocks is shaped like a hemisphere, and the surfaces of each of the chucks and each of the pushing blocks are smooth.

Preferably, the thickness of the protective sleeve is 0.7cm, and the material of the protective sleeve is stainless steel.

Preferably, the front side and the rear side of the protective sleeve are fixedly connected with fixed plates, the bottom of each fixed plate is fixedly connected with a movable spring, the bottom end of each movable spring is fixedly connected with a hook, the front side and the rear side of the mounting sleeve are fixedly connected with a ring body, and the hook is hooked with the ring body.

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

1. the hook piece of the utility model is hooked in the ring body, so that the stability of the protective sleeve sleeved on the top of the cell panel main body can be enhanced, if the clamping plate and the clamping rod automatically slide out of the clamping groove, the protective sleeve can be ensured to be sleeved on the cell panel main body, and the tab main body can be protected, so that the protection strength of the device is increased, the outer surface of the pull block is provided with anti-skid lines, so that the friction force between the hand of a user and the pull block can be increased, and the pull block can be pulled more laborsavingly;

2. the utility model discloses, when the device need not to use, at first with the lag sleeve at the top of panel main part, then stimulate the cardboard and drive the kelly and slide in the draw-in groove, reach the terminal in-process of draw-in groove at the dop, the dop can promote the ejector pad and drive slide bar compression recess until with one side of ejector pad card at the dop, at last stimulate movable spring drive hook go into the intra-annular can, like this can effectually avoid the device to lead to partial utmost point ear to be buckle because of the object collision, the fold state, thereby the effectual probability that reduces the device damage.

Drawings

Fig. 1 is a schematic structural view of an external part of a tab structure of a lithium battery according to the present invention;

fig. 2 is a schematic structural view of the inside of a protective sleeve with a tab structure for a lithium battery according to the present invention;

fig. 3 is a structure enlarged view of a position a in the tab structure diagram 2 of the lithium battery of the present invention.

In the figure: 1. a cell panel main body; 2. installing a sleeve; 3. a protective sleeve; 4. a mounting seat; 5. clamping a plate; 6. a clamping rod; 7. a card slot; 8. clamping a head; 9. a groove; 10. a slide bar; 11. a push block; 12. a support spring; 13. a pull rod; 14. pulling the block; 15. a tab main body; 16. a fixing plate; 17. a movable spring; 18. a hook member; 19. a ring body.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a tab structure of a lithium battery comprises a battery panel main body 1, two tab main bodies 15 are arranged in the battery panel main body 1, the ends of the two tab main bodies 15 are positioned outside the battery panel main body 1, a mounting sleeve 2 is fixedly sleeved on the battery panel main body 1, a protective sleeve 3 is movably sleeved on the top of the battery panel main body 1, the bottom of the protective sleeve 3 is attached to the top of the mounting sleeve 2, two sides of the protective sleeve 3 are fixedly connected with a mounting seat 4, a clamping plate 5 is rotatably connected in the mounting seat 4, clamping rods 6 are fixedly connected to opposite sides of the two clamping plates 5, two sides of the mounting sleeve 2 are respectively provided with a clamping groove 7, one end of each clamping rod 6, far away from the clamping plate 5, is slidably connected in the clamping groove 7 and is fixedly connected with a clamping head 8, two sides of the mounting sleeve 2 are respectively provided with, the push block 11 is abutted against the chuck 8, the bottom end of the slide bar 10 is fixedly connected with a supporting spring 12, the other end of the supporting spring 12 is fixedly connected with the bottom in the groove 9, two sides of the mounting sleeve 2 are respectively provided with a pull opening, a pull rod 13 is connected in the pull opening in a sliding way, one end of the pull rod 13 is fixedly connected with one side of the slide bar 10, when the device is not used, the protective sleeve 3 is firstly sleeved on the top of the cell panel main body 1, then the clamping plate 5 is pulled to drive the clamping rod 6 to slide into the clamping groove 7, when the clamping head 8 reaches the tail end of the clamping groove 7, the clamping head 8 can push the push block 11 to drive the sliding rod 10 to compress the groove 9 until the push block 11 is clamped at one side of the clamping head 8, and finally the movable spring 17 is pulled to drive the hook piece 18 to be hooked into the ring body 19, therefore, the device can effectively avoid the situation that part of the pole lugs are bent and folded due to the collision of objects, and the probability of damage of the device is effectively reduced.

Wherein, two equal fixedly connected with in one end that pull rod 13 carried on the back mutually draw piece 14, draw the shape of piece 14 to be the square, and draw the surface of piece 14 and seted up anti-skidding line, draw the surface of piece 14 to be provided with anti-skidding line, can increase user's hand like this and draw the frictional force of piece 14 to more laborsaving pulling draws piece 14.

Wherein, supporting spring 12's material is stainless steel, and supporting spring 12's surface parcel has the water proof membrane, effectively delays supporting spring 12's corrosion rate to supporting spring 12's life has been increased.

Wherein, every dop 8 is the hemisphere with the shape of every ejector pad 11, and every dop 8 is all smooth with the surface of every ejector pad 11, can guarantee that the device can use smoothly, has increased user's use and has experienced.

Wherein, the thickness of lag 3 is 0.7cm, and the material of lag 3 is stainless steel, can increase lag 3's hardness like this to the protection intensity of the device protection utmost point ear has been increased.

Wherein, the equal fixedly connected with fixed plate 16 in both sides around lag 3, the bottom fixedly connected with movable spring 17 of fixed plate 16, movable spring 17's bottom fixedly connected with hook 18, the equal fixedly connected with ring 19 in both sides around the installation cover 2, hook 18 and ring 19 hook joint mutually, hook 18 hook joint is in ring 19, can strengthen the stability that lag 3 cup jointed at panel main part 1 top like this, if cardboard 5 and kelly 6 during in the roll-off draw-in groove 7 by oneself, can guarantee at will that lag 3 cup joints on panel main part 1, utmost point ear main part 15 can be protected at will, thereby the proof strength of the device has been increased.

The working principle is as follows: the utility model discloses in, when the device need not to use, at first overlap lag 3 at the top of panel main part 1, then in pulling cardboard 5 drives kelly 6 and slides in draw-in groove 7, reachs the terminal in-process of draw-in groove 7 at dop 8, dop 8 can promote ejector pad 11 and drive slide bar 10 compression groove 9 until one side with ejector pad 11 card at dop 8, and it can to make movable spring 17 extend to drive hook 18 hook ring 19 at last pulling movable spring 17.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A tab structure of a lithium battery comprises a battery panel main body (1) and is characterized in that two tab main bodies (15) are arranged in the battery panel main body (1), the ends of the two tab main bodies (15) are located outside the battery panel main body (1), a mounting sleeve (2) is fixedly sleeved on the battery panel main body (1), a protective sleeve (3) is movably sleeved at the top of the battery panel main body (1), the bottom of the protective sleeve (3) is attached to the top of the mounting sleeve (2), mounting seats (4) are fixedly connected to two sides of the protective sleeve (3), a clamping plate (5) is rotatably connected to the mounting seats (4), clamping rods (6) are fixedly connected to one opposite sides of the two clamping plates (5), clamping grooves (7) are formed in two sides of the mounting sleeve (2), one ends, far away from the clamping plates (5), of the clamping rods (6) are slidably connected in the clamping grooves (7) and fixedly connected with clamping heads (8), recess (9) have all been seted up to the both sides of installing sleeve (2), sliding connection has slide bar (10) in recess (9), top fixedly connected with ejector pad (11) of slide bar (10), ejector pad (11) offset with dop (8), the bottom fixedly connected with supporting spring (12) of slide bar (10), the bottom of the other end fixed connection in recess (9) of supporting spring (12), the both sides of installing sleeve (2) have all been seted up and have been drawn the mouth, draw and have sliding connection in the mouth pull rod (13), the one end fixed connection of pull rod (13) is in one side of slide bar (10).

2. The tab structure of a lithium battery as claimed in claim 1, wherein the opposite ends of the two tie bars (13) are both fixedly connected with a pull block (14), the pull block (14) is square, and the outer surface of the pull block (14) is provided with anti-skid lines.

3. The tab structure of a lithium battery as claimed in claim 1, wherein the support spring (12) is made of stainless steel, and the outer surface of the support spring (12) is wrapped with a waterproof film.

4. The tab structure of a lithium battery as claimed in claim 1, wherein each of the tabs (8) and the push blocks (11) is shaped like a hemisphere, and the surfaces of each of the tabs (8) and the push blocks (11) are smooth.

5. The tab structure of a lithium battery as claimed in claim 1, wherein the thickness of the protective sheath (3) is 0.7cm, and the material of the protective sheath (3) is stainless steel.

6. The tab structure of a lithium battery as claimed in claim 1, wherein the protective sleeve (3) is fixedly connected with fixing plates (16) at both front and rear sides thereof, a movable spring (17) is fixedly connected to the bottom of the fixing plate (16), hook members (18) are fixedly connected to the bottom ends of the movable spring (17), ring members (19) are fixedly connected to both front and rear sides of the mounting sleeve (2), and the hook members (18) are hooked with the ring members (19).