CN213459941U

CN213459941U - High-rate polymer lithium battery capable of preventing charge puncture

Info

Publication number: CN213459941U
Application number: CN202022675794.5U
Authority: CN
Inventors: 王霞铃; 雒雄
Original assignee: Shenzhen Yachen New Energy Co ltd
Current assignee: Shenzhen Yachen New Energy Co ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-06-15
Anticipated expiration: 2030-11-18

Abstract

The utility model relates to the technical field of high-rate polymer lithium batteries, in particular to a charge puncture-preventing high-rate polymer lithium battery, which comprises a protective shell, wherein a battery groove is arranged in the protective shell, a lithium battery body is arranged in the battery groove, round grooves are arranged at the top, the bottom and both sides of the protective shell, a buffer rod is connected in the round groove, the buffer rod is close to one end of the protective shell and is fixedly connected with a buffer spring in the round groove, one end of the buffer rod, which is far away from the protective shell, is fixedly connected with a buffer plate, and the buffer plate, an inner buffer pad, an outer buffer pad and the buffer spring are arranged to solve the problems that the high-rate polymer lithium battery is often placed in a transport box during transportation, the high-rate polymer lithium battery collides with the inner wall of the transport box due to the vibration generated during transportation, and the internal structure of the, the normal use of the high-rate polymer lithium battery is influenced.

Description

High-rate polymer lithium battery capable of preventing charge puncture

Technical Field

The utility model relates to a high magnification polymer lithium cell technical field specifically is a prevent lotus electric puncture high magnification polymer lithium cell.

Background

The electric power is a current value required when the battery discharges its rated capacity within a predetermined time, and the data value is equal to a multiple of the rated capacity of the battery.

At present high rate polymer lithium cell is often placed in the transportation box when the transportation, and the vibrations that produce during the transportation can lead to high rate polymer lithium cell and the inner wall of transportation box to bump, and too big impact force makes high rate polymer lithium cell inner structure take place to damage easily, influences the normal use of high rate polymer lithium cell, consequently needs one kind to prevent that the high rate polymer lithium cell of electrical charge puncture improves this problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent that lotus electric puncture high magnification polymer lithium cell to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a high-rate polymer lithium battery capable of preventing charge puncture comprises a protective shell, wherein a battery groove is formed in the protective shell, a lithium battery body is arranged in the battery groove, circular grooves are formed in the top, the bottom and two sides of the protective shell, buffer rods are connected in the circular grooves, the buffer rods are close to one end of the protective shell, buffer springs are fixedly connected in the circular grooves, one end of each buffer rod, far away from the protective shell, is fixedly connected with a buffer plate, one side, far away from the buffer rods, of each buffer plate is fixedly connected with an outer buffer pad, a sealing cover is arranged on the front surface of the protective shell and at the position corresponding to the battery groove, inner buffer pads are fixedly connected to the inner walls of the sealing cover and the battery groove, a groove is formed in the center of the front surface of each sealing cover, a pin shaft is fixedly connected, the battery jar is characterized in that heat dissipation holes are formed in the two sides of the battery jar, a dustproof net is fixedly connected to the inner portions of the heat dissipation holes, and through holes are formed in the two sides of the inner cushion pad and in the corresponding positions of the heat dissipation holes.

Preferably, the protection shell and the sealing cover are both made of ABS plastic, and the shape of the protection shell is matched with that of the lithium battery body.

Preferably, the inner cushion pad and the outer cushion pad are both made of silica gel, and the connection mode of the buffer spring and the circular groove is fixed connection.

Preferably, the shape of the sealing cover is matched with that of the battery jar, and the sealing cover is fixedly connected with the protective shell through a screw.

Preferably, the buffer rod and the circular groove and the pull ring and the groove are connected in a sliding manner, and the pin shaft and the pull ring are connected in a rotating manner.

Preferably, the heat dissipation holes and the through holes are provided with a plurality of holes, and the shape of the dust screen is matched with that of the heat dissipation holes.

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

1. in the utility model, the lithium battery body is put into the protective shell by arranging the protective shell, the buffer board, the inner buffer cushion, the outer buffer cushion and the buffer spring, the protective shell is put into the transport box by installing the sealing cover, when the protective shell collides with the transport box due to the vibration of the transport box, the buffer board and the outer buffer cushion outside the protective shell can firstly contact the inner wall of the transport box, the outer buffer cushion made of silica gel can absorb a part of impact force, the buffer spring can absorb a part of impact force again, so that the impact force received by the protective shell is reduced, the impact force received by the inner buffer cushion when the lithium battery body collides with the inner wall of the protective shell is reduced, the impact force received by the lithium battery body is not enough to damage the inner structure of the lithium battery body through three times of buffering, and the problem that the current high-rate polymer lithium battery is often placed in the transport box during, the vibrations that produce during the transportation can lead to high rate polymer lithium cell to collide with the inner wall of transportation box, and too big impact force makes high rate polymer lithium cell inner structure take place to damage easily, influences the problem of high rate polymer lithium cell's normal use.

2. The utility model discloses in, through setting up the louvre, the through-hole, the dust screen, this meeting of lithium cell leads to its inside electrolyte to take place to rock because external vibrations, and the electrolyte that rocks produces more heat easily, and these heats can be discharged through the louvre, avoid leading to lithium cell body to explode because the heat that lithium cell body produced can't distribute, and the dust in the dust screen can prevent the external air simultaneously gets into the internal damage lithium cell body of protective housing.

3. The utility model discloses in, through setting up the pull ring, the round pin axle, recess, pull ring can make things convenient for the workman to take off sealed lid.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a front sectional view of the protective housing of the present invention;

FIG. 3 is an enlarged view of the point A in FIG. 2 according to the present invention;

fig. 4 is an enlarged view of the point B in fig. 2 according to the present invention.

In the figure: 1-protective shell, 2-battery jar, 3-lithium battery body, 4-circular groove, 5-buffer rod, 6-buffer spring, 7-buffer plate, 8-outer buffer pad, 9-sealing cover, 10-inner buffer pad, 11-groove, 12-pin shaft, 13-pull ring, 14-heat dissipation hole, 15-dustproof net and 16-through hole.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

a high-rate polymer lithium battery capable of preventing charge puncture comprises a protective shell 1, wherein the protective shell 1 and a sealing cover 9 are both made of ABS (acrylonitrile butadiene styrene) plastics, the shape of the protective shell 1 is matched with that of a lithium battery body 3, the protective shell 1 and the sealing cover 9 made of ABS plastics are light and durable, the weight is light, a worker can easily take the protective shell 1 up, a battery jar 2 is arranged inside the protective shell 1, the lithium battery body 3 is arranged in the battery jar 2, circular grooves 4 are respectively arranged at the top, the bottom and two sides of the protective shell 1, a buffer rod 5 is connected in each circular groove 4, the buffer rods 5 and the circular grooves 4 are connected in a sliding mode, a pin shaft 12 is connected with the pull ring 13 in a rotating mode, one end, close to the protective shell 1, of each buffer rod 5 is fixedly connected with a buffer spring 6 in each circular groove 4, one end, far away from the protective shell 1, of each buffer rod, the buffer board 7 is fixedly connected with an outer buffer cushion 8 at one side far from the buffer rod 5, a sealing cover 9 is arranged on the front surface of the protection shell 1 and at the position corresponding to the battery jar 2, the shape of the sealing cover 9 is matched with that of the battery jar 2, the sealing cover 9 is fixedly connected with the protection shell 1 through a screw, inner buffer cushions 10 are fixedly connected with the inner walls of the sealing cover 9 and the battery jar 2, the inner buffer cushions 10 and the outer buffer cushions 8 are both made of silica gel, the buffer spring 6 is fixedly connected with the round groove 4, the inner buffer cushions 10 and the outer buffer cushions 8 made of silica gel have strong buffer performance, the external impact force can be absorbed, the lithium battery body 3 is prevented from being greatly impacted, a groove 11 is arranged at the center of the front surface of the sealing cover 9, heat dissipation holes 12 are fixedly connected with the inside of the groove 11, the outer wall of the pin 12 is connected with pull rings 13, the heat dissipation holes 14 and the through holes 16 are all provided with a plurality of the dust screens 15, the shapes of the dust screens 15 are matched with the shapes of the heat dissipation holes 14, the dust screens 15 are fixedly connected inside the heat dissipation holes 14, and the through holes 16 are formed in the two sides of the inner cushion 10 and in the corresponding positions of the heat dissipation holes 14.

The utility model discloses work flow: when the lithium battery pack is used, the lithium battery body 3 is placed in the protective shell 1, the sealing cover 9 is covered, the sealing cover 9 is fixed on the protective shell 1 through screws, and the protective shell 1 is placed in a transport box;

when the protective shell 1 collides with the inner wall of the transport box, the outer buffer cushion 8 which collides with the inner wall of the transport box firstly can absorb a part of impact force, the rest external impact force can push the buffer plate 7 to move inwards, the buffer plate 7 which moves inwards can compress the buffer spring 6 through the buffer rod 5, the compressed buffer spring 6 can absorb a part of impact force again, so that the external impact force applied to the protective shell 1 is reduced, meanwhile, the inner buffer cushion 10 in the protective shell 1 can absorb the impact force generated when the lithium battery body 3 collides with the protective shell 1, so that when the protective shell 1 collides with the inner wall of the transport box, the impact force applied to the lithium battery body 3 stored in the protective shell 1 is small, and the internal structure of the lithium battery body 3 cannot be damaged;

when the lithium battery body 3 needs to be taken out, the screw on the sealing cover 9 is detached, the pull ring 13 is pulled, the pull ring 13 can drive the sealing cover 9 to move outwards, the sealing cover 9 is taken down from the protection shell 1, and a worker takes out the lithium battery body 3 in the protection shell 1.

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 an anti-charge puncture high magnification polymer lithium cell, includes protection casing (1), its characterized in that: the battery jar protection device is characterized in that a battery jar (2) is arranged inside the protection shell (1), a lithium battery body (3) is arranged in the battery jar (2), round troughs (4) are respectively arranged at the top, the bottom and two sides of the protection shell (1), a buffer rod (5) is connected in each round trough (4), the buffer rod (5) is close to one end of the protection shell (1) and is fixedly connected with a buffer spring (6) in each round trough (4), one end, far away from the protection shell (1), of each buffer rod (5) is fixedly connected with a buffer plate (7), one side, far away from the buffer rod (5), of each buffer plate (7) is fixedly connected with an outer buffer pad (8), a sealing cover (9) is arranged on the front side of the protection shell (1) and at the corresponding position of the battery jar (2), and inner buffer pads (10) are respectively and fixedly connected to the inner, the utility model discloses a battery jar, including sealed lid (9), recess (11), the inside fixedly connected with round pin axle (12) of recess (11), the outer wall of round pin axle (12) just has connected pull ring (13) in recess (11), louvre (14) have all been seted up to the both sides of battery jar (2), the inside fixedly connected with dust screen (15) of louvre (14), through-hole (16) have been seted up just in the corresponding position department of louvre (14) in the both sides of interior blotter (10).

2. The charge-puncture-preventing high-rate polymer lithium battery as claimed in claim 1, wherein: the protection shell (1) and the sealing cover (9) are both made of ABS plastic, and the shape of the protection shell (1) is matched with that of the lithium battery body (3).

3. The charge-puncture-preventing high-rate polymer lithium battery as claimed in claim 1, wherein: the inner buffer cushion (10) and the outer buffer cushion (8) are both made of silica gel, and the buffer spring (6) is fixedly connected with the circular groove (4).

4. The charge-puncture-preventing high-rate polymer lithium battery as claimed in claim 1, wherein: the shape of the sealing cover (9) is matched with that of the battery jar (2), and the sealing cover (9) is fixedly connected with the protection shell (1) through a screw.

5. The charge-puncture-preventing high-rate polymer lithium battery as claimed in claim 1, wherein: the buffer rod (5) and the circular groove (4) and the pull ring (13) and the groove (11) are connected in a sliding mode, and the pin shaft (12) and the pull ring (13) are connected in a rotating mode.

6. The charge-puncture-preventing high-rate polymer lithium battery as claimed in claim 1, wherein: the heat dissipation holes (14) and the through holes (16) are all provided with a plurality of heat dissipation holes, and the shape of the dust screen (15) is matched with that of the heat dissipation holes (14).