Battery tab with fixed plug-in structure

Abstract

The utility model relates to the technical field of battery tabs, in particular to a battery tab with a fixed plug-in structure, an upper connecting plate and a lower connecting plate are respectively and fixedly connected with two sides of the outer wall of a tab main body, the upper connecting plate and the lower connecting plate are symmetrically distributed relative to the center of the tab main body, and a plurality of groups of fixed blocks are fixedly connected with the outer walls of the upper connecting plate and the lower connecting plate. Movable cavities are formed in the outer walls of the upper connecting plate and the lower connecting plate, first springs and second springs are fixedly connected to the bottoms of the movable cavities, the ends, away from the bottoms of the movable cavities, of the first springs and the second springs are fixedly connected with fixing blocks, the fixing blocks can be extruded and deformed by the inner wall of the socket of the connecting base, and the outer walls of the fixing blocks sink inwards; and the whole tab body moves into the movable cavity so as to compress the first spring and the second spring, so that the fixed block is tightly attached to the inner wall of the socket of the connecting seat by utilizing the counter-acting force of the first spring and the second spring and cooperating with the recovered external supporting force of the sunken part of the fixed block, the stability of the tab body after being plugged is improved, and the tab body is not easy to fall off due to external force.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery tab technical field, concretely is a kind of battery tab with fixed plug-in structure. BACKGROUND

[0002] Battery tab is the metal conductor that is led out from positive and negative pole in battery. Its main function is to connect the electrode inside battery with external circuit, so that battery can carry out the process of charging and discharging. For example, in lithium ion battery, tab is generally made of aluminum (for positive pole) and copper (for negative pole) and other metal materials, and its good conductivity can ensure efficient power transmission between battery and external device. However, when tab is inserted into connecting seat, tab is easy to fall off from connecting seat when subjected to vibration, impact or accidental pulling, and when tab falls off, instantaneous electric arc may be generated, which can cause more heat at the connection between battery tab and connecting seat, and excessive heat can accelerate the aging of battery tab and connecting seat, reducing the service life of battery.

[0003] In view of the above problems, the utility model provides a kind of battery tab with fixed plug-in structure. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of battery tab with fixed plug-in structure, the outer wall of tab main body is fixedly connected with upper connecting plate and lower connecting plate respectively, upper connecting plate and lower connecting plate are symmetrically distributed about the center of tab main body, the outer wall of upper connecting plate and lower connecting plate is fixedly connected with multiple fixed blocks, the outer wall of upper connecting plate and lower connecting plate is provided with movable cavity, the bottom of movable cavity is fixedly connected with first spring and second spring, to solve the problems in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of battery tab with fixed plug-in structure, including battery main body and the tab main body installed at one end of battery main body, the outer wall of tab main body is fixedly connected with upper connecting plate and lower connecting plate respectively, upper connecting plate and lower connecting plate are symmetrically distributed about the center of tab main body, the outer wall of upper connecting plate and lower connecting plate is fixedly connected with multiple fixed blocks, the outer wall of upper connecting plate and lower connecting plate is provided with movable cavity;

[0006] The bottom of movable cavity is fixedly connected with first spring and second spring, and the end of first spring and second spring away from the bottom of movable cavity is fixedly connected with fixed block.

[0007] Further, the fixed block is a component made of rubber material, and the inside of the fixed block is a hollow structure.

[0008] Further, the fixed block and the inner wall of movable cavity are slidingly connected.

[0009] Further, the fixed block comprises an outer block in sliding connection with the inner wall of the movable cavity, an upper inner wall of the outer block is connected with a first pressing plate in a shaft, and a lower inner wall of the outer block is connected with a second pressing plate in a shaft.

[0010] Further, the opposite end of the first pressing plate and the second pressing plate is connected in a shaft, the first pressing plate and the second pressing plate are at an angle of 120 degrees, and the angle between the first pressing plate and the second pressing plate is fixedly connected with an elastic element.

[0011] Further, the first pressing plate, the second pressing plate and the elastic element are provided with two groups, and the first pressing plate, the second pressing plate and the elastic element of the two groups are symmetrically distributed about the center of the outer block.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] The utility model discloses a battery tab with fixed plug -in structure, and the fixed block is extruded and deformed by the inner wall of the connecting seat socket, the outer wall of the fixed block is recessed to the inside, and the whole fixed block moves to the movable cavity, thereby the first spring and the second spring are pressed tightly, so the reaction force of the first spring and the second spring is used, the outer support force of the recessed place of the fixed block is recovered, the fixed block is tightly attached to the inner wall of the connecting seat socket, the stability of the tab main body after plug -in is improved, the tab is not easy to fall off under external force, the problem that the tab is easy to fall off from the connecting seat when being vibrated, impacted or accidentally pulled, instantaneous electric arc is possibly generated when the tab falls off, more heat is generated at the connecting place of the battery tab and the connecting seat, too much heat accelerates the aging of the battery tab and the connecting seat, and the service life of the battery is reduced. ACCURACY OF DRAWINGS

[0014] Figure 1 It is the whole three -dimensional structure schematic diagram of the utility model;

[0015] Figure 2 It is the tab main body three -dimensional structure schematic diagram of the utility model;

[0016] Figure 3 It is the upper connecting plate internal structure schematic diagram of the utility model;

[0017] Figure 4 It is the fixed block internal structure schematic diagram of the utility model.

[0018] In the drawing: 1, battery main body;2, tab main body;3, upper connecting plate;4, lower connecting plate;5, fixed block;7, movable cavity;8, first spring;9, second spring;51, outer block;52, first pressing plate;53, second pressing plate;54, elastic element. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of the present application.

[0020] Please refer to Figures 1-4 In order to solve the problem that the tab is easy to fall off from the connecting seat when subjected to vibration, impact or accidental pulling, and when the tab falls off, an instantaneous electric arc may be generated, which may cause more heat at the connecting position of the battery tab and the connecting seat, excessive heat may accelerate the aging of the battery tab and the connecting seat, and reduce the service life of the battery, the following preferred technical solutions are provided:

[0021] A battery tab with a fixed plug-in structure, comprising a battery body 1, and a tab body 2 installed at one end of the battery body 1, the outer wall of the tab body 2 is fixedly connected with an upper connecting plate 3 and a lower connecting plate 4 on both sides, the upper connecting plate 3 and the lower connecting plate 4 are symmetrically distributed about the center of the tab body 2, the outer wall of the upper connecting plate 3 and the lower connecting plate 4 is fixedly connected with a plurality of fixing blocks 5, the outer wall of the upper connecting plate 3 and the lower connecting plate 4 is provided with a movable cavity 7, the bottom of the movable cavity 7 is fixedly connected with a first spring 8 and a second spring 9, one end of the first spring 8 and the second spring 9 away from the bottom of the movable cavity 7 is fixedly connected with the fixing block 5, the fixing block 5 is a component made of rubber material, and the inside of the fixing block 5 is a hollow structure, and the fixing block 5 is slidably connected with the inner wall of the movable cavity 7.

[0022] The fixing block 5 comprises an outer block 51 slidably connected with the inner wall of the movable cavity 7, a first pressing plate 52 is axially connected with the upper wall in the cavity of the outer block 51, a second pressing plate 53 is axially connected with the lower wall in the cavity of the outer block 51, one end of the first pressing plate 52 and the second pressing plate 53 opposite to each other is axially connected, the first pressing plate 52 and the second pressing plate 53 are at an angle of one hundred and twenty degrees with each other, a elastic element 54 is fixedly connected between the angle of the first pressing plate 52 and the second pressing plate 53, the first pressing plate 52, the second pressing plate 53 and the elastic element 54 are provided with two groups, and the two groups of the first pressing plate 52, the second pressing plate 53 and the elastic element 54 are symmetrically distributed about the center of the outer block 51.

[0023] Specifically, when the battery body 1 is connected to the connecting seat through the tab body 2, the upper connecting plate 3 and the lower connecting plate 4 are inserted into the connecting seat at the same time, at this time, the fixed block 5 is deformed by the inner wall of the connecting seat, the outer wall of the fixed block 5 is concave to the inside, and the whole fixed block 5 moves to the movable cavity 7, so as to compress the first spring 8 and the second spring 9, so as to use the reaction force of the first spring 8 and the second spring 9, and cooperate with the outward expansion force of the concave part of the fixed block 5, so that the fixed block 5 is tightly attached to the inner wall of the connecting seat, the stability of the tab body 2 after being inserted is improved, and the tab body 2 is not easy to fall off under external force, the problem that the tab body 2 is easy to fall off from the connecting seat when the tab body 2 is subjected to vibration, impact or accidental pulling, and the problem that when the tab body 2 falls off, instantaneous electric arc may be generated, more heat may be generated at the connection between the tab body 2 and the connecting seat, and the service life of the battery is reduced.

[0024] When the fixed block 5 is deformed by extrusion, at this time, the outer block 51 extrudes the first pressing plate 52 and the second pressing plate 53, so that the included angle between the first pressing plate 52 and the second pressing plate 53 becomes smaller, so as to compress the elastic element 54 through the first pressing plate 52 and the second pressing plate 53, and through the elasticity of the elastic element 54, the included angle between the first pressing plate 52 and the second pressing plate 53 is increased, so as to drive the first pressing plate 52 and the second pressing plate 53 to support the outer block 51, and further improve the force of the fixed block 5 tightly attached to the inner wall of the connecting seat, and further improve the stability of the connection.

[0025] It should be noted that in this document, the terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0026] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A battery tab with fixed insertion structure, comprising a battery body (1), and a tab body (2) installed at one end of the battery body (1), characterized in that: The outer wall of the lug body (2) is fixedly connected with an upper connecting plate (3) and a lower connecting plate (4) respectively, the upper connecting plate (3) and the lower connecting plate (4) are symmetrically distributed about the center of the lug body (2), the outer wall of the upper connecting plate (3) and the lower connecting plate (4) is fixedly connected with a plurality of fixed blocks (5), and the outer wall of the upper connecting plate (3) and the lower connecting plate (4) is provided with a movable cavity (7); The bottom of the movable cavity (7) is fixedly connected with a first spring (8) and a second spring (9), and the ends, away from the bottom of the movable cavity (7), of the first spring (8) and the second spring (9) are fixedly connected with the fixed blocks (5).

2. The battery tab with a fixed tabbing structure of claim 1, wherein: The fixed blocks (5) are members made of rubber material, and the interiors of the fixed blocks (5) are hollow structures.

3. The battery tab with a fixed tabbing structure of claim 1, wherein: The fixed blocks (5) are in sliding connection with the inner walls of the movable cavities (7).

4. The battery tab with a secure connection according to claim 1, wherein: The fixed blocks (5) include outer blocks (51) in sliding connection with the inner walls of the movable cavities (7), the upper wall shafts in the cavities of the outer blocks (51) are connected with first pressing plates (52), and the lower wall shafts in the cavities of the outer blocks (51) are connected with second pressing plates (53).

5. The battery tab with a secure connection according to claim 4, wherein: The opposite ends of the first pressing plates (52) and the second pressing plates (53) are in shaft connection, the first pressing plates (52) and the second pressing plates (53) are at an included angle of 120 degrees, and elastic elements (54) are fixedly connected between the included angles of the first pressing plates (52) and the second pressing plates (53).

6. The battery tab with a secure connection according to claim 5, wherein: The first pressing plates (52), the second pressing plates (53) and the elastic elements (54) are provided with two groups, and the two groups of the first pressing plates (52), the second pressing plates (53) and the elastic elements (54) are symmetrically distributed about the center of the outer blocks (51).

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