CN212517427U

CN212517427U - New forms of energy lithium cell block of convenient location

Info

Publication number: CN212517427U
Application number: CN202021125045.9U
Authority: CN
Inventors: 唐兵; 徐世芬
Original assignee: Chongqing Saiborui New Energy Technology Co ltd
Current assignee: Chongqing Saiborui New Energy Technology Co ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-02-09
Anticipated expiration: 2030-06-17

Abstract

The utility model discloses a new forms of energy lithium cell block cap convenient to location, including the lid, fixed welding has the top cap between the inner wall of lid, the both sides of top cap are through mounting hole fixed mounting with dust removal mechanism, the bottom fixed mounting that lies in the top cap between the inner wall of lid has pressure release mechanism, the bottom fixed mounting of lid has the battery body, the fixed welding of bottom surface of lid has a plurality of spacing posts, the top surface of battery body sets up the spacing groove with spacing post looks adaptation; pressure release mechanism includes closing plate, spring, slide bar, fixed plate and through-hole, the utility model discloses the effectual current new forms of energy lithium cell block of having solved most all utilizes the rupture membrane to carry out the pressure release, and the rupture membrane is breaking the back, and this cell block just can not use once more owing to can not form sealed structure, can cause the problem of the waste of resource.

Description

New forms of energy lithium cell block of convenient location

Technical Field

The utility model relates to a lithium cell technical field specifically is a new forms of energy lithium cell block of convenient location.

Background

With the development of science and technology, lithium batteries have become mainstream, and are batteries using lithium metal or lithium or alloy as a negative electrode material and using a non-aqueous electrolyte solution, and generally can be divided into lithium metal batteries and lithium ion batteries, wherein the lithium ion batteries do not contain metallic lithium and can be charged, and the lithium battery caps are protective covers mounted on the lithium batteries.

However, there are some disadvantages in the conventional using process, such as:

most of existing new energy lithium battery caps utilize an explosion-proof membrane to release pressure, and after the explosion-proof membrane is broken, the battery cap cannot be reused due to the fact that a sealed structure cannot be formed, and resource waste can be caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a new forms of energy lithium cell block of convenient location to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the battery cover comprises a cover body, wherein a top cover is fixedly welded between the inner walls of the cover body, dust removing mechanisms are fixedly mounted on two sides of the top cover through mounting holes, a pressure relief mechanism is fixedly mounted between the inner walls of the cover body and positioned at the bottom of the top cover, a battery body is fixedly mounted at the bottom of the cover body, a plurality of limiting columns are fixedly welded on the surface of the bottom of the cover body, and limiting grooves matched with the limiting columns are formed in the surface of the top of the battery body; the pressure release mechanism includes closing plate, spring, slide bar, fixed plate and through-hole, the fixed welding in bottom that is located the top cap between the lid inner wall has the fixed plate, the through-hole has been seted up to the department placed in the middle of the fixed plate, the top of fixed plate and the both sides that are located the through-hole all fixed welding have the slide bar, the closing plate has been cup jointed in the surface activity of slide bar, the surface of slide bar and the winding of top one side that is located the closing plate have the spring.

Wherein, dust removal mechanism includes fixed frame, filter screen and waterproof ventilated membrane, the both sides of top cap are inside through mounting hole and fixed frame fixed weld, there is the filter screen through bolt fixed mounting between the fixed frame inner wall, the bottom fixed weld who is located the filter screen between the inner wall of fixed frame has waterproof ventilated membrane.

The fixing frame is of a cylindrical structure with openings at two ends for accommodating the cavities, and the cross section of the filter screen is of a circular arc-shaped structure.

The sliding rod is of a T-shaped structure, and an arc-shaped groove is formed in one side of the bottom of the sealing plate.

The bottom of the sealing plate is fixedly welded with sealing rings on two sides of the through hole, and the top of the fixing plate is provided with a sealing groove matched with the sealing rings.

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

1. when the inside gas pressure of battery is greater than the elasticity of spring, gas can promote the closing plate and move in vertical direction, the extrusion spring, make the inside gas of battery body flow into the inside of lid from the through-hole, then from the inside dust removal mechanism outflow lid of top cap, can carry out quick release with the inside atmospheric pressure of battery body, when the inside atmospheric pressure of battery body is less than the elasticity of spring, the resilience elasticity of spring promotes the closing plate and seals the through-hole, can recycle, improve the utilization ratio of resource, can be quick release the atmospheric pressure that produces the battery is inside, the life of battery is prolonged.

2. Can avoid external air or dust to get into the inside of lid through filter screen and waterproof ventilated membrane, the effectual problem of avoiding the inside short circuit of battery through gag lever post and spacing groove, can carry out quick location installation with lid and battery body.

Drawings

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

FIG. 2 is a schematic structural view of the dust removing mechanism of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: 1-a battery body; 2-a limit groove; 3-a limiting column; 4-a cover body; 5-a dust removal mechanism; 51-a fixed frame; 52-a filter screen; 53-waterproof breathable films; 6-top cover; 7-a pressure relief mechanism; 71-a sealing plate; 72-a spring; 73-sliding bar; 74-a fixed plate; 75-a via; 76-sealing ring.

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.

Referring to fig. 1-3, the present invention provides a technical solution: the battery cover comprises a cover body 4, a top cover 6 is fixedly welded between the inner walls of the cover body 4, dust removing mechanisms 5 are fixedly mounted on two sides of the top cover 6 through mounting holes, a pressure relief mechanism 7 is fixedly mounted between the inner walls of the cover body 4 and positioned at the bottom of the top cover 6, a battery body 1 is fixedly mounted at the bottom of the cover body 4, a plurality of limiting columns 3 are fixedly welded on the surface of the bottom of the cover body 4, and limiting grooves 2 matched with the limiting columns 3 are formed in the surface of the top of the battery body 1; the pressure relief mechanism 7 comprises a sealing plate 71, a spring 72, a sliding rod 73, a fixing plate 74 and a through hole 75, the fixing plate 74 is fixedly welded between the inner wall of the cover body 4 and positioned at the bottom of the top cover 6, the through hole 75 is formed in the center of the fixing plate 74, the sliding rod 73 is fixedly welded at the top of the fixing plate 74 and positioned at two sides of the through hole 75, the sealing plate 71 is movably sleeved on the surface of the sliding rod 73, and the spring 72 is wound on one side of the top of the sealing plate 71 on the surface of the sliding rod 73.

Wherein, dust removal mechanism 5 is including fixed frame 51, filter screen 52 and waterproof ventilated membrane 53, the inside mounting hole and the fixed welding of fixed frame 51 that passes through in both sides of top cap 6, there is filter screen 52 through bolt fixed mounting between the fixed frame 51 inner wall, the fixed welding in bottom that lies in filter screen 52 between the inner wall of fixed frame 51 has waterproof ventilated membrane 53, and filter screen 52 can intercept the dust of outside air, and waterproof ventilated membrane 53 can intercept the moisture in the air, avoids the inside problem that causes the short circuit of dust and moisture entering battery.

Wherein, fixed frame 51 adopts the both ends opening to have the structure of the cylinder that holds the cavity, and the cross-section of filter screen 52 is convex structure, and increase filter area avoids the dust to block up the problem that filter screen 52 influences the air output.

The sliding rod 73 is of a T-shaped structure, and an arc-shaped groove is formed in one side of the bottom of the sealing plate 71, so that the contact area between the gas and the sealing plate 71 is increased, and the sealing plate 71 is conveniently pushed to move.

The bottom of the sealing plate 71 is fixedly welded with the sealing rings 76 at two sides of the through hole 75, and the top of the fixing plate 74 is provided with the sealing grooves matched with the sealing rings 76, so that the through hole 75 can be sealed when the internal pressure of the battery body 1 is normal, and the external air is prevented from entering the battery body 1.

The working principle is as follows: when the gas pressure inside the battery is greater than the elastic force of the spring 72, the gas can push the sealing plate 71 to move in the vertical direction to squeeze the spring 72, so that the gas inside the battery body 1 flows into the cover body 4 from the through hole 75, and then flows out of the cover body 4 from the dust removal mechanism 5 inside the top cover 6, the gas pressure inside the battery body 1 can be quickly released, when the gas pressure inside the battery body 1 is less than the elastic force of the spring 72, the restorable elastic force of the spring 72 pushes the sealing plate 71 to seal the through hole 75, the gas pressure can be recycled, the gas pressure generated inside the battery can be quickly released, and the service life of the battery is prolonged.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 new forms of energy lithium cell block of convenient location, includes lid (4), its characterized in that: a top cover (6) is fixedly welded between the inner walls of the cover bodies (4), dust removing mechanisms (5) are fixedly mounted on two sides of the top cover (6) through mounting holes, a pressure releasing mechanism (7) is fixedly mounted between the inner walls of the cover bodies (4) and positioned at the bottom of the top cover (6), a battery body (1) is fixedly mounted at the bottom of the cover body (4), a plurality of limiting columns (3) are fixedly welded on the surface of the bottom of the cover body (4), and limiting grooves (2) matched with the limiting columns (3) are formed in the surface of the top of the battery body (1);

pressure release mechanism (7) include closing plate (71), spring (72), slide bar (73), fixed plate (74) and through-hole (75), the fixed welding in bottom that is located top cap (6) between lid (4) inner wall has fixed plate (74), through-hole (75) have been seted up to the department placed in the middle of fixed plate (74), the top of fixed plate (74) and the both sides that are located through-hole (75) all fixed welding have slide bar (73), the surperficial activity of slide bar (73) has cup jointed closing plate (71), the surface of slide bar (73) and the top one side that is located closing plate (71) twine spring (72).

2. The new energy lithium battery cap convenient to position as claimed in claim 1, characterized in that: dust removal mechanism (5) are including fixed frame (51), filter screen (52) and waterproof ventilated membrane (53), the both sides of top cap (6) are inside to be passed through the mounting hole and fixed frame (51) fixed welding, there is filter screen (52) through bolt fixed mounting between fixed frame (51) inner wall, the fixed welding in bottom that is located filter screen (52) between the inner wall of fixed frame (51) has waterproof ventilated membrane (53).

3. The new energy lithium battery cap convenient to position as claimed in claim 2, characterized in that: the fixing frame (51) is of a cylindrical structure with two openings at two ends and an accommodating cavity, and the cross section of the filter screen (52) is of a circular arc structure.

4. The new energy lithium battery cap convenient to position as claimed in claim 1, characterized in that: the sliding rod (73) is of a T-shaped structure, and an arc-shaped groove is formed in one side of the bottom of the sealing plate (71).

5. The new energy lithium battery cap convenient to position as claimed in claim 1, characterized in that: sealing rings (76) are fixedly welded at the bottom of the sealing plate (71) and positioned on two sides of the through hole (75), and sealing grooves matched with the sealing rings (76) are formed in the top of the fixing plate (74).