CN218731370U

CN218731370U - Lithium ion battery with anti-contusion structure

Info

Publication number: CN218731370U
Application number: CN202123294501.XU
Authority: CN
Inventors: 高圣清
Original assignee: Shaoyang University
Current assignee: Shaoyang University
Priority date: 2021-12-26
Filing date: 2021-12-26
Publication date: 2023-03-24
Anticipated expiration: 2031-12-26

Abstract

The utility model discloses a lithium ion battery with prevent structure of contusing, including lithium ion battery shell and external insulation frame, lithium ion battery shell's top is provided with the negative pole connection pad, lithium ion battery shell's both sides are installed and are prevented the mechanism of contusing, and prevent the inside outer fishplate bar that is provided with of the mechanism of contusing, the both sides of outer fishplate bar are seted up flutedly, and the internal distribution of recess has the gim peg, external insulation frame sets up both ends around lithium ion battery shell. This lithium ion battery with prevent contusion structure for fixed connection's concave groove and rubber diaphragm embedding are at the front and back end of lithium ion battery shell, rely on concave groove and rubber diaphragm extrusion to be in the front and back end of lithium ion battery shell, can make the front and back end of lithium ion battery adopt inside integral type to cover the steel sheet, closely laminate in the lithium ion battery outside, and the prevention receives external pressure collision, prevents that lithium ion battery contusion warp, makes the front and back end of lithium ion battery have corresponding protective structure.

Description

Lithium ion battery with anti-contusion structure

Technical Field

The utility model relates to a lithium ion battery technical field specifically is a lithium ion battery with prevent contusion structure.

Background

Lithium ions move from the negative electrode to the positive electrode during discharge and return during charge. Lithium ion batteries use intercalation lithium compounds as electrode materials compared to the metallic lithium used in non-rechargeable lithium batteries. The batteries have high energy density, no memory effect (except LFP batteries) and low self-discharge. However, they can be a safety hazard because they contain flammable electrolytes, which can lead to explosions and fires if damaged or improperly charged. After the lithium ion battery is on fire, the lithium ion battery needs to be improved in anti-contusion.

The existing lithium ion battery adopts an internal integrated covering steel sheet, is tightly attached to the outside of the lithium ion battery, is easy to be collided by external pressure, causes the contusion and deformation of the lithium ion battery, has no corresponding protective structure on the upper side and the lower side of the lithium ion battery, is easy to be collided and contused inside the lithium ion battery, can not well meet the use requirements of people, and carries out technical innovation on the existing lithium ion battery base aiming at the above situation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium ion battery with prevent contusion structure to propose current lithium ion battery in solving above-mentioned background and adopt inside integral type to cover the steel sheet, closely laminate in lithium ion battery outside, receive external pressure collision easily, cause lithium ion battery to contort and warp, the upper and lower both sides of lithium ion battery do not have corresponding protective structure, collide easily and contort the problem inside the lithium ion battery.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lithium ion battery with prevent structure of contusing, includes lithium ion battery shell and external insulation frame, lithium ion battery shell's top is provided with the negative pole connection pad, lithium ion battery shell's both sides are installed and are prevented the mechanism of contusing, and prevent that the inside outer fishplate bar that is provided with of the mechanism of contusing, the both sides of outer fishplate bar are seted up flutedly, and the inside distribution of recess has the locating stud, external insulation frame sets up both ends around lithium ion battery shell, the below of external insulation frame is installed and is prevented the cutting ferrule mechanism of contusing.

Preferably, the lithium ion battery shell is fixedly connected with the negative electrode connecting pad, and the number of the negative electrode connecting pads is two.

Preferably, the anti-contusion mechanism is movably connected with the external connection plate, and the anti-contusion mechanism forms a sliding structure through the external connection plate and the groove.

Preferably, the external insulation frame comprises a concave groove and rubber transverse plates, the concave groove is formed in the external insulation frame, and the rubber transverse plates are distributed in the concave groove.

Preferably, the concave groove is fixedly connected with the rubber transverse plate, and the concave groove and the lithium ion battery shell form a clamping structure through the rubber transverse plate.

Preferably, the anti-contusion clamping mechanism comprises an assembly sleeve plate and an extrusion rubber plate, the assembly sleeve plate is arranged inside the anti-contusion clamping mechanism, and the extrusion rubber plate is arranged around the inside of the assembly sleeve plate.

Preferably, the periphery of the assembly sleeve plate is wrapped with an extrusion rubber plate, and the assembly sleeve plate is wrapped below the lithium ion battery shell through the extrusion rubber plate.

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

the utility model discloses being provided with the anti-contusion mechanism, can making the recess set up in the anti-contusion mechanism, make external plate install on recess and anti-contusion mechanism, slip embedding external plate on recess and anti-contusion mechanism, run through the buckle with the pilot pin in external plate and recess simultaneously, can reach both sides protective effect to lithium ion battery, change lithium ion battery and adopt the inside integral type to cover the steel sheet mode, both sides equipment closely laminates outside lithium ion battery, the prevention receives external pressure collision, anti-lithium ion battery contusion warp;

the utility model discloses be provided with the rubber diaphragm for fixed connection's concave groove and rubber diaphragm imbed in the front and back end of lithium ion battery shell, rely on concave groove and rubber diaphragm extrusion to extrude the front and back end of lithium ion battery shell, can make the front and back end of lithium ion battery adopt the internal integral type to cover the steel sheet, closely laminate outside lithium ion battery, the prevention receives external pressure collision, prevents that lithium ion battery contusion is out of shape, makes lithium ion battery front and back end have corresponding protective structure;

the utility model discloses be provided with and prevent the cutting ferrule mechanism of contusing, can with equipment lagging and the extrusion rubber slab elastic insulation extrusion prevent the below of contusing mechanism and external insulation frame, effectual will prevent the cutting ferrule mechanism of contusing, prevent the mechanism of contusing and the external insulation frame is installed at lithium ion battery, can the protecting effect to external pressure collision, avoid lithium ion battery to contuse and warp, can make lithium ion battery upper and lower both sides have corresponding protective structure, inside the protection lithium ion battery.

Drawings

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

fig. 2 is a schematic view of the internal structure of the external insulating frame of the present invention;

fig. 3 is the internal structure schematic diagram of the anti-contusion clamping mechanism of the utility model.

In the figure: 1. a lithium ion battery housing; 2. a negative electrode connection pad; 3. an anti-contusion mechanism; 301. an outer connecting plate; 302. a groove; 303. positioning bolts; 4. an outer insulating frame; 401. a concave groove; 402. a rubber transverse plate; 5. a anti-contusion sleeve mechanism; 501. assembling a sleeve plate; 502. the rubber plate was pressed.

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.

Embodiment 1

As shown in the attached figure 1, the utility model provides a technical scheme: a lithium ion battery with a contusion prevention structure comprises a lithium ion battery shell 1 and an external insulation frame 4, wherein a negative electrode connecting pad 2 is arranged above the lithium ion battery shell 1, contusion prevention mechanisms 3 are arranged on two sides of the lithium ion battery shell 1, an external connecting plate 301 is arranged inside the contusion prevention mechanisms 3, grooves 302 are formed in two sides of the external connecting plate 301, positioning bolts 303 are distributed in the grooves 302, the external insulation frame 4 is arranged at the front end and the rear end of the lithium ion battery shell 1, a contusion prevention clamping sleeve mechanism 5 is arranged below the external insulation frame 4, the lithium ion battery shell 1 is fixedly connected with the negative electrode connecting pad 2, the negative electrode connecting pads 2 are arranged in two numbers, the two negative electrode connecting pads 2 are fixedly connected on the lithium ion battery shell 1, and the lithium ion battery shell 1 and the negative electrode connecting pad 2 can be arranged on equipment, prevent being swing joint between contusion mechanism 3 and the external connection board 301, and prevent that contusion mechanism 3 constitutes sliding construction through external connection board 301 and recess 302, through will preventing contusion mechanism 3 and install in the both sides of lithium ion battery shell 1, can make recess 302 offer in the inside of preventing contusion mechanism 3, make external connection board 301 install on recess 302 with prevent contusion mechanism 3, with external connection board 301 slip embedding recess 302 with prevent contusion mechanism 3 on, run through the buckle with the pilot pin 303 in external connection board 301 and recess 302 simultaneously, can reach both sides protecting effect to lithium ion battery, it adopts inside integral type to cover the steel sheet mode to change lithium ion battery, both sides equipment closely laminates in lithium ion battery outside, the prevention receives external pressure collision, prevent lithium ion battery contusion and warp.

Example two

The scheme in the first embodiment is further described in the following with reference to specific working modes, which are described in detail in the following:

as shown in fig. 1 and fig. 2, as a preferred embodiment, on the basis of the above-mentioned manner, further, the external insulation frame 4 includes a concave groove 401 and a rubber transverse plate 402, the internal portion of the external insulation frame 4 is provided with a concave groove 401, and the distribution of the concave groove 401 is provided with the rubber transverse plate 402, the concave groove 401 and the rubber transverse plate 402 are fixedly connected, and the concave groove 401 and the lithium ion battery housing 1 form a snap-fit structure through the rubber transverse plate 402, the external insulation frame 4 is respectively packaged at the front and rear ends of the lithium ion battery housing 1, so that the fixedly connected concave groove 401 and the rubber transverse plate 402 are embedded at the front and rear ends of the lithium ion battery housing 1, and the front and rear ends of the lithium ion battery housing 1 are extruded by the concave groove 401 and the rubber transverse plate 402, so that the front and rear ends of the lithium ion battery can adopt internal integrated covering steel sheets to be tightly attached to the outside of the lithium ion battery, thereby preventing the lithium ion battery from being collided by external pressure, preventing the lithium ion battery from being contused for deformation, and enabling the front and rear ends of the lithium ion battery to have corresponding protection structures.

As shown in fig. 1 and fig. 3, as a preferred embodiment, on the basis of the above manner, further, the anti-contusion clamping mechanism 5 includes an assembly sleeve plate 501 and an extrusion rubber plate 502, the assembly sleeve plate 501 is disposed inside the anti-contusion clamping mechanism 5, the extrusion rubber plate 502 is disposed around the assembly sleeve plate 501, the extrusion rubber plate 502 is wrapped around the assembly sleeve plate 501, the assembly sleeve plate 501 is wrapped below the lithium ion battery housing 1 through the extrusion rubber plate 502, the anti-contusion clamping mechanism 5 is mounted below the lithium ion battery housing 1, the assembly sleeve plate 501 and the extrusion rubber plate 502 can be elastically and insulatively extruded below the anti-contusion mechanism 3 and the external insulation frame 4, the anti-contusion clamping mechanism 5, the anti-contusion mechanism 3 and the external insulation frame 4 are effectively mounted on the lithium ion battery, a protection effect can be achieved on external pressure collision, the lithium ion battery contusion deformation can be avoided, corresponding protection structures can be disposed on the upper and lower sides of the lithium ion battery, and the internal part of the lithium ion battery can be protected.

The working principle of the lithium ion battery with the anti-contusion structure is as follows: firstly, the external insulation frame 4 is respectively packaged at the front end and the rear end of the lithium ion battery shell 1, a fixedly connected concave groove 401 and a rubber transverse plate 402 are embedded at the front end and the rear end of the lithium ion battery shell 1, the front end and the rear end of the lithium ion battery shell 1 are extruded by the concave groove 401 and the rubber transverse plate 402, the anti-contusion clamping mechanism 5 is installed below the lithium ion battery shell 1, the assembly sleeve plate 501 and the extrusion rubber plate 502 can be elastically and insulatively extruded below the anti-contusion clamping mechanism 3 and the external insulation frame 4, the anti-contusion clamping mechanism 5, the anti-contusion clamping mechanism 3 and the external insulation frame 4 are effectively installed on the lithium ion battery, the front end and the rear end of the lithium ion battery can adopt an internal integrated covering steel sheet, the groove 302 can be arranged inside the anti-contusion clamping mechanism 3, the external connection plate 301 is installed on the groove 302 and the anti-contusion clamping mechanism 3, the external connection plate 301 is slidably embedded into the groove 302 and the anti-contusion clamping mechanism 3, and the positioning bolt 303 penetrates through the external connection plate 301 and the groove 302.

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 lithium ion battery with prevent contusion structure, includes lithium ion battery shell (1) and external insulation frame (4), its characterized in that: the top of lithium ion battery shell (1) is provided with negative pole connection pad (2), the both sides of lithium ion battery shell (1) are installed and are prevented contusion mechanism (3), and prevent contusion mechanism (3) inside be provided with outer fishplate bar (301), recess (302) are seted up to the both sides of outer fishplate bar (301), and the internal distribution of recess (302) has pilot pin (303), external insulation frame (4) set up in the front and back both ends of lithium ion battery shell (1), the below of external insulation frame (4) is installed and is prevented contusion cutting ferrule mechanism (5).

2. The lithium ion battery with the anti-bruise structure according to claim 1, wherein: the lithium ion battery shell (1) is fixedly connected with the negative electrode connecting pad (2), and the number of the negative electrode connecting pads (2) is two.

3. The lithium ion battery with the anti-bruise structure according to claim 1, wherein: the anti-contusion mechanism (3) is movably connected with the external connection plate (301), and the anti-contusion mechanism (3) forms a sliding structure with the groove (302) through the external connection plate (301).

4. The lithium ion battery with the anti-bruise structure according to claim 1, wherein: the external insulation frame (4) comprises a concave groove (401) and a rubber transverse plate (402), the concave groove (401) is formed in the external insulation frame (4), and the rubber transverse plate (402) is distributed in the concave groove (401).

5. The lithium ion battery with the anti-bruise structure according to claim 4, wherein: the concave groove (401) is fixedly connected with the rubber transverse plate (402), and the concave groove (401) and the lithium ion battery shell (1) form a clamping structure through the rubber transverse plate (402).

6. The lithium ion battery with the anti-bruise structure according to claim 1, wherein: prevent filing cutting ferrule mechanism (5) including equipment lagging (501) and extrusion rubber slab (502), the inside of preventing filing cutting ferrule mechanism (5) is provided with equipment lagging (501), and installs extrusion rubber slab (502) around the inside of equipment lagging (501).

7. The lithium ion battery with the anti-bruise structure according to claim 6, wherein: the periphery of the assembly sleeve plate (501) is wrapped with an extrusion rubber plate (502), and the assembly sleeve plate (501) is wrapped below the lithium ion battery shell (1) through the extrusion rubber plate (502).