CN214313410U

CN214313410U - Battery casing with explosion-proof groove

Info

Publication number: CN214313410U
Application number: CN202120327591.9U
Authority: CN
Inventors: 华青; 谈军旗; 缪海
Original assignee: Wuxi Yaan New Power Supply Co ltd
Current assignee: Wuxi Yaan New Power Supply Co ltd
Priority date: 2021-02-04
Filing date: 2021-02-04
Publication date: 2021-09-28
Anticipated expiration: 2031-02-04

Abstract

The utility model discloses a battery shell with an explosion-proof groove, which belongs to the field of battery shells and comprises an outer shell and an inner shell, wherein a heat insulation layer and a flame-retardant layer are laid in the outer shell, handles are fixedly connected to both sides of the outer shell, a connecting plate is fixedly connected to the bottom of an inner cavity of the outer shell, a screw is movably sleeved in the connecting plate, a crank is fixedly connected to one end of the screw, a moving block is sleeved on external threads of the screw, and a moving plate is movably connected to the front side of the moving block; through setting up fixed cover, a spring, bracing piece, No. two springs, elastic layer and explosion-proof groove, alleviate the shock wave that the battery explosion produced through spring and elastic layer in the explosion-proof groove, avoided in order when the battery explodes in the accident, the battery case can be because of the shock wave that the battery explosion produced explodes the problem that splits and lead to battery case to take place to damage to provide the protection for battery case.

Description

Battery casing with explosion-proof groove

Technical Field

The utility model belongs to the technical field of battery case, concretely relates to battery case with explosion-proof groove.

Background

The battery refers to a cup, a tank or other container or a partial space of a composite container which is filled with electrolyte solution and metal electrodes to generate current, and a device which can convert chemical energy into electric energy, has a positive electrode and a negative electrode, and with the progress of science and technology, the battery generally refers to a small device which can generate electric energy, such as a solar battery, the performance parameters of the battery mainly comprise electromotive force, capacity, specific energy and resistance, the battery is used as an energy source, and can obtain current which has stable voltage, stable current, long-time stable power supply and little influence from the outside, has simple structure, is convenient to carry, is simple and easy to operate, is not influenced by the outside climate and temperature, has stable and reliable performance, plays a great role in various aspects in modern social life, and needs to be used in a battery shell when the lithium battery is used, however, most of the existing battery shells do not have an explosion-proof structure, when the battery is accidentally exploded, the battery shell is broken due to the explosion of the shock wave generated by the explosion of the battery, and therefore the battery shell with the explosion-proof groove is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a battery case with explosion-proof groove 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: a battery shell with an explosion-proof groove comprises an outer shell and an inner shell, wherein a heat insulation layer and a flame-retardant layer are laid in the outer shell, handles are fixedly connected to two sides of the outer shell, a connecting plate is fixedly connected to the bottom of an inner cavity of the outer shell, a screw rod is movably sleeved in the connecting plate, a crank is fixedly connected to one end of the screw rod, a moving block is sleeved on external threads of the screw rod, a moving plate is movably connected to the front side of the moving block, a fixed block is movably connected to the top of the moving plate, the top of the fixed block is fixedly connected with the bottom of the inner shell, a movable cover is movably sleeved at the top of the outer shell, a connecting block is fixedly connected to one side of the outer shell, a bolt is movably sleeved in the movable cover, a threaded disc is sleeved on external threads at the bottom end of the bolt, a fixed sleeve is fixedly connected to one side of an inner cavity of the outer shell, the utility model discloses a battery jar, including fixed cover, bracing piece, cardboard No. two, No. two cardboard of one end fixedly connected with of bracing piece, No. two cardboard activities are cup jointed in one side of inner shell, one side fixedly connected with elastic layer of shell inner chamber, one side fixedly connected with cardboard No. one of bottom one side of elastic layer, the back at the inner shell is cup jointed in the cardboard activity, the battery jar has been seted up to the inside of inner shell.

In a preferred embodiment, the heat insulating layer is made of a vacuum plate.

In a preferred embodiment, the material of the flame retardant layer is an aluminum hydroxide material.

In a preferred embodiment, the elastic layer is made of a sponge cushion.

As a preferred embodiment, two different external threads are formed on the outer portion of the screw, the number of the moving plates, the number of the moving blocks and the number of the fixed blocks are two, and internal threads matched with the two external threads of the screw are formed in the two moving blocks respectively.

As a preferred embodiment, a second spring is connected between one side of the second clamping plate and one side of the inner cavity of the shell in a transmission manner, and a first spring is connected between one end of the supporting rod and one side of the inner cavity of the fixed sleeve in a transmission manner.

As a preferred embodiment, the outer shell and the inner shell are provided with an explosion-proof groove, and the second spring, the first spring and the elastic layer are located inside the explosion-proof groove.

In a preferred embodiment, the bottom of the movable cover is matched with the top of the outer shell, and the top of the movable cover is in close contact with the top of the inner shell.

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

according to the battery shell with the explosion-proof groove, the fixing sleeve, the first spring, the supporting rod, the second spring, the elastic layer and the explosion-proof groove are arranged, and the shock wave generated by battery explosion is relieved through the springs and the elastic layer in the explosion-proof groove, so that the problem that the battery shell is damaged due to the fact that the shock wave generated by the battery explosion explodes when the battery is exploded accidentally is solved, and the battery shell is protected;

according to the battery shell with the anti-explosion groove, the handle, the screw, the crank, the connecting plate, the moving block and the fixing block are arranged, so that the battery can be replaced and pushed out from the interior of the battery shell, and convenience is brought to replacement of the battery;

this battery case with explosion-proof groove through setting up the insulating layer, when preventing that the outside from taking place the conflagration, the heat transfer arouses the danger of battery explosion on the battery, and when having avoided the outside conflagration to take place through setting up fire-retardant layer, battery case is lighted to battery case has brought the protection.

Drawings

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

FIG. 2 is a sectional view of the structure of the present invention;

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

In the figure: 1. a housing; 2. a thermal insulation layer; 3. a flame retardant layer; 4. a grip; 5. a screw; 6. a crank; 7. A connecting plate; 8. moving the plate; 9. a moving block; 10. a fixed block; 11. an inner shell; 12. a movable cover; 13. A bolt; 14. connecting blocks; 15. a threaded disc; 16. an elastic layer; 17. a first card board; 18. a second card board; 19. a battery case; 20. fixing a sleeve; 21. a first spring; 22. a support bar; 23. and a second spring.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Referring to fig. 1-3, the utility model provides a battery case with an explosion-proof groove, which comprises an outer shell 1 and an inner shell 11, a heat insulation layer 2 and a flame retardant layer 3 are laid in the outer shell 1, handles 4 are fixedly connected to both sides of the outer shell 1, a connecting plate 7 is fixedly connected to the bottom of the inner cavity of the outer shell 1, a screw 5 is movably sleeved in the connecting plate 7, a crank 6 is fixedly connected to one end of the screw 5, a moving block 9 is sleeved on the external thread of the screw 5, a moving plate 8 is movably connected to the front side of the moving block 9, a fixed block 10 is movably connected to the top of the moving plate 8, the top of the fixed block 10 is fixedly connected to the bottom of the inner shell 11, a movable cover 12 is movably sleeved on the top of the outer shell 1, a connecting block 14 is fixedly connected to one side of the outer shell 1, a bolt 13 is movably sleeved on the inner side of the movable cover 12, a thread disc 15 is sleeved on the external thread at the bottom of the bolt 13, one side of the inner cavity of the outer shell 1 is fixedly connected with a fixed sleeve 20, one side of the fixed sleeve 20 is movably sleeved with a support rod 22, one end of the support rod 22 is fixedly connected with a second clamping plate 18, the second clamping plate 18 is movably sleeved on one side of the inner shell 11, one side of the inner cavity of the outer shell 1 is fixedly connected with an elastic layer 16, one side of the bottom of the elastic layer 16 is fixedly connected with a first clamping plate 17, the first clamping plate 17 is movably sleeved on the back of the inner shell 11, and a battery groove 19 is formed in the inner shell 11; through setting up fixed cover 20, a spring 21, bracing piece 22, No. two springs 23, elastic layer 16 and explosion-proof groove, alleviate the shock wave that the battery explosion produced through the spring in the explosion-proof groove and elastic layer 16, avoided with when the battery explodes in the accident, the battery case can explode the problem that splits and lead to battery case to take place to damage because of the shock wave that the battery explosion produced to for battery case provides the protection.

Wherein the heat insulation layer 2 is made of a vacuum plate; the vacuum plate has good heat insulation performance, so that the danger of battery explosion caused by heat transferred to the battery when fire breaks out from the outside is prevented, and the battery in the battery shell is protected.

Wherein, the material of the flame-retardant layer 3 is aluminum hydroxide material; because the aluminum hydroxide material has high flame retardant property, the battery shell is prevented from being ignited when a fire disaster happens outside, and the battery shell is protected.

Wherein the elastic layer 16 is made of a spongy cushion; because of the inherent good elasticity performance of the foam-rubber cushion, when the battery in the inner shell 11 explodes accidentally, the shock wave generated by explosion is relieved by the foam-rubber cushion, so that the damage of the shock wave to the outer shell 1 is avoided, and the protection is brought to the outer shell 1.

Two different external threads are formed on the outer part of the screw 5, the moving plates 8, the moving blocks 9 and the fixed blocks 10 are all two in number, and internal threads matched with the two external threads of the screw 5 are formed in the two moving blocks 9 respectively; when the lithium battery inside the battery shell needs to be replaced, the screw rod 5 is rotated, the two moving blocks 9 move along the outer portion of the screw rod 5 through internal threads, when the two moving blocks 9 move towards two sides, the two moving plates 8 are driven by the two moving blocks 9 to push out the inner shell 11, the inner shell 11 moves upwards along the first clamping plate 17 and the second clamping plate 18, the battery inside the inner shell 11 is conveniently replaced, and convenience is brought to replacement of the battery.

A second spring 23 is connected between one side of the second clamping plate 18 and one side of the inner cavity of the shell 1 in a transmission manner, and a first spring 21 is connected between one end of the supporting rod 22 and one side of the inner cavity of the fixed sleeve 20 in a transmission manner; when the battery of inner shell 11 inside explodes unexpectedly, the shock wave exerts pressure to No. two cardboard 18, and No. two cardboard 18 is to exerting pressure to No. two springs 23, and No. two cardboard 18 pass through bracing piece 22 and exert pressure to a spring 21, and elastic deformation takes place simultaneously for a spring 21 and No. two springs 23, and then cushions the shock wave, has avoided the shock wave to cause the destruction to shell 1 to for shell 1 has brought the protection.

Wherein, the outer shell 1 and the inner shell 11 are provided with an explosion-proof groove, and the second spring 23, the first spring 21 and the elastic layer 16 are positioned in the explosion-proof groove; the second spring 23, the first spring 21 and the elastic layer 16 in the anti-explosion groove respectively buffer shock waves generated by explosion of the lithium battery, so that the problem that the battery shell is damaged due to the fact that the battery shell is exploded by the shock waves generated by explosion of the battery when the battery is exploded accidentally is solved, and protection is provided for the battery shell.

Wherein, the bottom of the movable cover 12 is matched with the top of the outer shell 1, and the top of the movable cover 12 is tightly contacted with the top of the inner shell 11; when the movable cover 12 needs to be opened, the threaded disc 15 is rotated anticlockwise until the threaded disc 15 is separated from the bolt 13, the bolt 13 is drawn out of the top of the movable cover 12, and the movable cover 12 can be detached, so that convenience is brought to detachment of the movable cover 12.

The utility model discloses a theory of operation and use flow: firstly, because the vacuum plate has good heat insulation performance, when a fire disaster happens outside, the danger of battery explosion caused by heat transfer to the battery is prevented, so that the battery inside the battery shell is protected, because the aluminum hydroxide material has high flame retardant performance, when the fire disaster happens outside is avoided, the battery shell is ignited, so that the battery shell is protected, then because of the inherent good elastic performance of the spongy cushion, when the battery inside the inner shell 11 explodes accidentally, the shock wave generated by explosion is relieved by the spongy cushion, so that the damage of the shock wave to the outer shell 1 is avoided, so that the outer shell 1 is protected, the shock wave applies pressure to the second clamping plate 18, the second clamping plate 18 applies pressure to the second spring 23, the second clamping plate 18 applies pressure to the first spring 21 through the supporting rod 22, and the first spring 21 and the second spring 23 elastically deform simultaneously, and then cushion the shock wave, avoid the shock wave to cause the destruction to the outer cover 1, thus bring the protection to the outer cover 1, the second spring 23, the first spring 21 and the elastic layer 16 in the explosion-proof groove respectively cushion the shock wave generated by the explosion of the lithium battery, avoid the problem that when the battery explodes accidentally, the battery shell will be damaged due to the explosion of the shock wave generated by the explosion of the battery, thus provide the protection to the battery shell, finally when the movable cover 12 needs to be opened, the threaded disc 15 is rotated anticlockwise until the threaded disc 15 breaks away from the bolt 13, the bolt 13 is drawn out from the top of the movable cover 12, and then the movable cover 12 can be detached, the screw 5 is rotated, so that the two moving blocks 9 move along the outside of the screw 5 through the internal thread, when the two moving blocks 9 move to both sides, the two moving plates 8 are driven by the two moving blocks 9, push out the inner shell 11, the inner shell 11 moves upwards along a first catch plate 17 and a second catch plate 18, and then the batteries inside the inner shell 11 are convenient to replace, so that convenience is brought to the replacement of the batteries.

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. A battery case with an explosion-proof groove comprises an outer case (1) and an inner case (11), and is characterized in that: a heat insulation layer (2) and a flame retardant layer (3) are laid in the outer shell (1), handles (4) are fixedly connected to two sides of the outer shell (1), a connecting plate (7) is fixedly connected to the bottom of an inner cavity of the outer shell (1), a screw rod (5) is movably sleeved in the connecting plate (7), a crank (6) is fixedly connected to one end of the screw rod (5), a moving block (9) is sleeved on external threads of the screw rod (5), a moving plate (8) is movably connected to the front side of the moving block (9), a fixed block (10) is movably connected to the top of the moving plate (8), the top of the fixed block (10) is fixedly connected to the bottom of an inner shell (11), a movable cover (12) is movably sleeved on the top of the outer shell (1), a connecting block (14) is fixedly connected to one side of the outer shell (1), and a bolt (13) is sleeved in the movable cover (12), the utility model discloses a bolt, including bolt (13) bottom, one side fixedly connected with fixed cover (20) of shell (1) inner chamber, the bracing piece (22) has been cup jointed in the activity of one side of fixed cover (20), cardboard (18) No. two of one end fixedly connected with of bracing piece (22), cardboard (18) activity No. two cup joints in one side of inner shell (11), one side fixedly connected with elastic layer (16) of shell (1) inner chamber, cardboard (17) of bottom one side fixedly connected with of elastic layer (16), the back at inner shell (11) is cup jointed in cardboard (17) activity, battery groove (19) have been seted up to the inside of inner shell (11).

2. A battery housing having an explosion-proof slot as defined in claim 1, wherein: the heat insulation layer (2) is made of a vacuum plate.

3. A battery housing having an explosion-proof slot as defined in claim 1, wherein: the flame-retardant layer (3) is made of aluminum hydroxide material.

4. A battery housing having an explosion-proof slot as defined in claim 1, wherein: the elastic layer (16) is made of a spongy cushion.

5. A battery housing having an explosion-proof slot as defined in claim 1, wherein: two different external threads are formed in the outer portion of the screw (5), the number of the moving plates (8), the number of the moving blocks (9) and the number of the fixed blocks (10) are two, and internal threads matched with the two external threads of the screw (5) are formed in the two moving blocks (9) respectively.

6. A battery housing having an explosion-proof slot as defined in claim 1, wherein: no. two springs (23) are connected between one side of No. two cardboard (18) and one side of shell (1) inner chamber in a transmission manner, No. one spring (21) is connected between one end of bracing piece (22) and one side of fixed cover (20) inner chamber in a transmission manner.

7. A battery housing having an explosion proof slot as defined in claim 6, wherein: explosion-proof grooves are formed in the outer shell (1) and the inner shell (11), and the second spring (23), the first spring (21) and the elastic layer (16) are located inside the explosion-proof grooves.

8. A battery housing having an explosion-proof slot as defined in claim 1, wherein: the bottom of the movable cover (12) is matched with the top of the outer shell (1), and the top of the movable cover (12) is tightly contacted with the top of the inner shell (11).