CN215070307U - Ultra-thin power combination block of lithium cell - Google Patents

Abstract

The utility model discloses an ultra-thin power combination block of lithium cell, including the top cap, the both sides of top cap all are equipped with puts the thing groove, all be equipped with and put the communicating disappointing hole in thing groove on the relative lateral wall in the top cap, it has the closing plate to put sliding connection in the thing groove, be equipped with a plurality of ventholes in the closing plate, one side fixedly connected with that the closing plate is close to disappointing hole is sealed fills up, one side that the closing plate was kept away from to sealed the pad offsets with putting thing inslot lateral wall, the closing plate is close to the first slide bar that two symmetries of one side fixedly connected with in disappointing hole set up, it is equipped with the slot corresponding with first slide bar on the thing inslot lateral wall to put, the one end that the closing plate was kept away from to first slide bar extends to the slot, the one end that the closing plate was kept away from to first slide bar is slided and is inserted and is equipped with the second slide bar. The utility model discloses a sealing mechanism's setting is not influencing under the normal ventilative condition, realizes sealing the hole that loses heart to security when improving the use.

Description

Ultra-thin power combination block of lithium cell

Technical Field

The utility model relates to a lithium cell technical field especially relates to an ultra-thin power combination block of lithium cell.

Background

The appearance of batteries provides important power supply guarantee for our human life, entertainment and work. With the development of society and the advancement of human civilization, the primary battery is gradually eliminated due to the disadvantages of environmental pollution, low capacity, short service life and the like, and is replaced by a secondary battery with the advantages of no pollution, large capacity, long service life and the like, wherein the specific structure and performance of the cylindrical lithium battery are widely applied to various fields, such as notebook computers, mobile power supplies, electric tools, electric automobiles and the like, which are representative examples of the secondary battery.

The existing patent numbers are: the invention patent of CN201510685752.0 provides an ultra-thin power combined cap of a lithium battery, which realizes ultra-thin cap, has strong shock resistance and reliable application, and is convenient for large-scale automatic production.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving waterproof nature relatively poor, in case moisture spatters to the block or when the accident falls into the aquatic, moisture can be through disappointing hole entering inside, has certain hidden danger, and the ultra-thin power of a lithium cell combination block that proposes.

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

a lithium battery ultra-thin power combination cap comprises a top cap, wherein both sides of the top cap are provided with object placing grooves, opposite side walls in the top cap are provided with air release holes communicated with the object placing grooves, sealing plates are connected in the object placing grooves in a sliding manner, a plurality of air outlet holes are formed in the sealing plates, one sides of the sealing plates, close to the air release holes, are fixedly connected with sealing gaskets, one sides of the sealing gaskets, far away from the sealing plates, are abutted against the inner side walls of the object placing grooves, one sides of the sealing plates, near the air release holes, are fixedly connected with two first sliding rods which are symmetrically arranged, the inner side walls of the object placing grooves are provided with inserting grooves corresponding to the first sliding rods, one ends, far away from the sealing plates, of the first sliding rods extend to the inserting grooves, one ends, far away from the sealing plates, of the first sliding rods are inserted with second sliding rods, one ends, far away from the sealing plates, are fixedly connected with the inner side walls of the inserting grooves, and provided with first springs in a sleeved manner, and two ends of the first spring are respectively fixedly connected with the first sliding rod and the inner side wall of the slot.

Preferably, the both ends of closing plate all fixedly connected with stopper, it is equipped with the spacing groove corresponding with the stopper to put on the inslot lateral wall, the stopper is kept away from the one end of closing plate and is extended to the spacing inslot.

Preferably, the side wall of the limiting block is provided with a groove, a ball is rotationally connected in the groove, and the ball is abutted to the inner side wall of the limiting groove.

Preferably, the downthehole fixedly connected with connecting rod loses heart, be equipped with the second spring between connecting rod and the closing plate, the both ends of second spring respectively with closing plate, connecting rod fixed connection.

Preferably, the material of the sealing gasket is natural rubber.

Preferably, the material of the sealing plate is steel.

Has the advantages that:

1. when the sealing device is used, the first sliding rod is pulled to move towards the inner direction of the slot through the first spring, the sealing plate is driven to move towards the air release hole through the first sliding rod, the sealing gasket is driven to be tightly attached to the inner side wall of the object placing slot through the sealing plate, so that a sealing effect is achieved on the air release hole, when the air pressure inside the top cover exceeds a preset value, gas props up the sealing plate through the air release hole and drives the sealing plate to move, the sealing gasket is driven to move towards the direction away from the air release hole through the sealing plate, and at the moment, the gas is discharged through the air outlet hole;

2. through the setting of stopper, can restrict the movement stroke of closing plate, prevent that the closing plate from putting the thing inslot and coming off, through the setting of ball, can reduce the resistance when closing plate removes, through the setting of connecting rod and second spring, can prevent that the closing plate is not hard up, and the material of sealed pad is natural rubber, can increase of service life, and the material of closing plate is steel, can increase of service life to prevent that the closing plate from warping and making its sealed effect.

Drawings

Fig. 1 is a schematic structural view of an ultra-thin power combined cap for a lithium battery according to the present invention;

fig. 2 is a schematic structural view of a position a of the ultra-thin power combined cap for a lithium battery provided by the present invention;

fig. 3 is the utility model provides a B department's schematic structure of ultra-thin power combination block of lithium cell.

In the figure: 1-top cover, 2-sealing plate, 3-rubber pad, 4-limiting block, 5-connecting rod, 6-second spring, 7-first slide bar, 8-air outlet, 9-first spring, and 10-second slide bar.

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.

Referring to fig. 1-3, an ultra-thin power combined cap for a lithium battery comprises a top cap 1, wherein article placing grooves are formed in two sides of the top cap 1, air release holes communicated with the article placing grooves are formed in opposite side walls in the top cap 1, a sealing plate 2 is connected in the article placing grooves in a sliding mode and used for playing a sealing role, two ends of the sealing plate 2 are fixedly connected with limiting blocks 4 and used for limiting the moving stroke of the sealing plate 2 and preventing the sealing plate 2 from falling off from the article placing grooves, limiting grooves corresponding to the limiting blocks 4 are formed in the inner side walls of the article placing grooves, one ends, far away from the sealing plate 2, of the limiting blocks 4 extend into the limiting grooves, grooves are formed in the side walls of the limiting blocks 4, balls are connected in the grooves in a rotating mode and used for reducing the resistance when the limiting blocks 4 move, and abut against the inner side walls of the limiting grooves;

in the embodiment, the air release hole is fixedly connected with a connecting rod 5 for installing a second spring 6, the second spring 6 is arranged between the connecting rod 5 and the sealing plate 2 and used for preventing the sealing plate 2 from loosening and improving the tightness between the sealing plate 2 and the inner wall of the object placing groove, two ends of the second spring 6 are respectively fixedly connected with the sealing plate 2 and the connecting rod 5, and a plurality of air outlet holes are formed in the sealing plate 2 and used for exhausting air;

in the embodiment, the sealing plate 2 is made of steel and used for prolonging the service life and preventing the sealing plate 2 from deforming to have the sealing effect, the sealing gasket 3 is fixedly connected to one side of the sealing plate 2 close to the air leakage hole and used for improving the sealing effect, the sealing gasket 3 is made of natural rubber and used for prolonging the service life, and one side of the sealing gasket 3 far away from the sealing plate 2 is abutted to the inner side wall of the storage groove;

in the embodiment, one side of the sealing plate 2 close to the air release hole is fixedly connected with two first sliding rods 7 which are symmetrically arranged and used for driving the sealing plate 2 to move, an inserting groove corresponding to the first sliding rod 7 is formed in the inner side wall of the object placing groove, one end, far away from the sealing plate 2, of each first sliding rod 7 extends to the inserting groove, one end, far away from the sealing plate 2, of each first sliding rod 7 is inserted with a second sliding rod 10 in a sliding mode and used for improving the stability of the first sliding rod 7 during moving, one end, far away from the sealing plate 2, of each second sliding rod 10 is fixedly connected with the inner side wall of the corresponding inserting groove, each second sliding rod 10 is sleeved with a first spring 9 and used for driving the first sliding rod 7 to move towards the inner direction of the corresponding inserting groove, and two ends of each first spring 9 are fixedly connected with the first sliding rod 7 and the inner side wall of the corresponding inserting groove respectively;

in this embodiment, at first through the first slide bar 7 of first spring 9 pulling toward the slot in the direction removal, drive closing plate 2 through first slide bar 7 toward the hole direction removal of disappointing, drive sealed pad 3 through closing plate 2 and put the thing inslot lateral wall and tightly laminate, thereby play sealed effect to disappointing the hole, when top cap 1 inside atmospheric pressure surpassed the default, gas propped closing plate 2 through disappointing the hole, drive closing plate 2 and remove, drive sealed pad 3 through closing plate 2 and toward keeping away from the hole direction removal of disappointing, at this moment, gas passes through the venthole and discharges, the utility model discloses a sealing mechanism's setting, under the normal circumstances of disappointing not influencing, the realization is sealed to disappointing the hole, thereby improves the security when using.

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 (6)

1. The utility model provides an ultra-thin power combination block of lithium cell, includes top cap (1), its characterized in that: the both sides of top cap (1) all are equipped with puts the thing groove, all be equipped with on the relative lateral wall in top cap (1) and put the communicating disappointing hole in thing groove, it has closing plate (2) to put sliding connection in the thing groove, be equipped with a plurality of ventholes in closing plate (2), one side fixedly connected with that closing plate (2) are close to disappointing hole fills up sealed pad (3), one side that closing plate (2) were kept away from to sealed pad (3) is with putting the thing inslot lateral wall and offset, one side fixedly connected with two first slide bar (7) that the symmetry set up of closing plate (2) are close to disappointing hole, it is equipped with the slot corresponding with first slide bar (7) to put thing inslot lateral wall, the one end that closing plate (2) were kept away from to first slide bar (7) extends to the slot, the one end that closing plate (2) were kept away from to first slide bar (7) slides and inserts and is equipped with second slide bar (10), one end, far away from the sealing plate (2), of the second sliding rod (10) is fixedly connected with the inner side wall of the slot, a first spring (9) is sleeved on the second sliding rod (10), and two ends of the first spring (9) are fixedly connected with the first sliding rod (7) and the inner side wall of the slot respectively.

2. The ultra-thin power combined cap for lithium batteries as claimed in claim 1, wherein: the equal fixedly connected with stopper (4) in both ends of closing plate (2), it is equipped with the spacing groove corresponding with stopper (4) to put on the inslot lateral wall, the one end that closing plate (2) were kept away from in stopper (4) extends to the spacing inslot.

3. The ultra-thin power combined cap for lithium battery as claimed in claim 2, wherein: the side wall of the limiting block (4) is provided with a groove, a ball is rotationally connected in the groove, and the ball is abutted to the inner side wall of the limiting groove.

4. The ultra-thin power combined cap for lithium batteries as claimed in claim 1, wherein: the downthehole fixedly connected with connecting rod (5) of disappointing, be equipped with second spring (6) between connecting rod (5) and closing plate (2), the both ends of second spring (6) respectively with closing plate (2), connecting rod (5) fixed connection.

5. The ultra-thin power combined cap for lithium batteries as claimed in claim 1, wherein: the sealing gasket (3) is made of natural rubber.

6. The ultra-thin power combined cap for lithium batteries as claimed in claim 1, wherein: the sealing plate (2) is made of steel.

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