CN210429926U

CN210429926U - Battery pack with low-temperature protection structure for electric vehicle

Info

Publication number: CN210429926U
Application number: CN201921650593.0U
Authority: CN
Inventors: 陈志民
Original assignee: Zhengzhou University
Current assignee: Zhengzhou University
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-04-28
Anticipated expiration: 2029-09-30

Abstract

The utility model discloses a group battery for electric motor car with low temperature protection structure, including battery case and heat preservation, the battery case surface is embedded to have the bolt groove, and the bolt inslot is embedded to have first bolt, the heat preservation is run through in the first bolt outside, the heat preservation suit is in the battery case outside, the welding of battery case inner wall upper end has the spacing ring, and is provided with the apron on the spacing ring, the welding of apron middle part has the shell, and is provided with first briquetting on the left of the inner wall of shell, the welding of first briquetting upper end has first button. The utility model discloses a press first button of first button and second button, make first briquetting and second briquetting drive the second connecting rod of both sides and remove, the second connecting rod drives the second bolt through first connecting rod and removes, makes things convenient for the dismantlement of apron, simultaneously through first bolt locking at the bolt inslot, simultaneously through rotating first bolt, makes first bolt can follow the bolt inslot and take out, improves the security of device.

Description

Battery pack with low-temperature protection structure for electric vehicle

Technical Field

The utility model relates to a group battery technical field specifically is a group battery for electric motor car with low temperature protection structure.

Background

When the battery pack on the electric vehicle is used, after the battery in the battery pack is used for a long time, the efficiency of the battery can be slowly reduced, so that people need the battery in the battery pack to improve the working efficiency of the electric vehicle.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a group battery for electric motor car with low temperature protection structure to solve the group battery that proposes in the above-mentioned background art and have the threaded connection installation most often, more troublesome problem when dismantling.

In order to achieve the above object, the utility model provides a following technical scheme: a battery pack with a low-temperature protection structure for an electric vehicle comprises a battery box and a heat preservation layer, wherein a pin groove is embedded in the surface of the battery box, a first pin is embedded in the pin groove, the outer side of the first pin penetrates through the heat preservation layer, the heat preservation layer is sleeved on the outer side of the battery box, a limiting ring is welded at the upper end of the inner wall of the battery box, a cover plate is arranged at the upper end of the limiting ring, a shell is welded in the middle of the cover plate, a first pressing block is arranged on the left side of the inner wall of the shell, a first button is welded at the upper end of the first pressing block, a second connecting rod is welded on the left side of the first pressing block, the second connecting rod penetrates through the left side of the shell, a second connecting rod is welded on the left side of the second connecting rod, a first connecting rod is welded on the, the utility model discloses a lock bolt, including slide bar, first support piece, second support piece, bolt groove, first stop lever, slide bar upper end welding on the apron, first support piece left side welding has the loop bar, the loop bar inboard is embedded at the spring inslot, the spring inslot portion is provided with the spring, the spring left and right sides all welds on the loop bar, another the welding of loop bar right side has the second to support the briquetting, the second supports the briquetting upper end welding and has the second button, shell inner wall left side upper end and bottom all weld fourth gag lever post and third gag lever post, fourth gag lever post and third gag lever post all run through first support piece, shell inner wall left side upper end and bottom all weld second gag lever post and first gag lever post, second gag lever post and first gag lever post all run through the second and support the briquetting.

Preferably, two waist-shaped holes are formed in the middle of the second bolt, the slide rod is cylindrical, and the diameters of the inner walls of the two waist-shaped holes formed in the middle of the second bolt are the same as the diameter of the cylindrical surface formed by the slide rod.

Preferably, the surface of the limit ring is provided with a round hole, the bottom ends of the left side and the right side of the cover plate are welded with round lugs, and the surface diameter of the round lugs welded at the bottom ends of the left side and the right side of the cover plate is equal to the diameter of the inner wall of the round hole formed in the surface of the limit ring.

Preferably, the first pressing block and the second pressing block are both semicircular, the housing is circular, and the surface radians of the first pressing block and the second pressing block are equal to the inner wall radian of the housing.

Preferably, the first bolt is provided with seven groups, the inner side of the first bolt is welded with a special-shaped waist-shaped convex block, and the bolt groove is a special-shaped waist-shaped hole.

Preferably, the bolt groove is set to be the same as the first bolt surface special-shaped waist-shaped hole in diameter of the special-shaped waist-shaped inner wall.

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

1. this group battery for electric motor car with low temperature protection structure is provided with first briquetting, the spring groove, a spring, the loop bar, the second connecting rod, head rod and second bolt, through pressing first button and second button of first button, make first briquetting and second briquetting drive the second connecting rod of both sides and remove, the second connecting rod drives the second bolt through first connecting rod and removes, make the second bolt withdraw from the breach that the battery case left and right sides was seted up, make the apron take out in can following the battery case fast, make and need not twist the bolt and dismantle, make things convenient for the dismantlement of apron.

2. This group battery for electric motor car with low temperature protection structure is provided with first bolt and bolt groove, through first bolt locking at the bolt inslot, simultaneously through rotating first bolt, makes first bolt can follow the bolt inslot and take out, makes the heat preservation can follow the battery case and take out when summer, prevents because the gas permeability of heat preservation is not strong, leads to the battery in the battery case naturally, improves the security of device.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic bottom view of the cover plate of the present invention;

fig. 3 is a schematic view of an assembly structure of the first plug and the plug groove of the present invention.

In the figure: 1. a battery case; 2. a heat-insulating layer; 3. a limiting ring; 4. a cover plate; 5. a second bolt; 6. a limiting block; 7. a slide bar; 8. a first connecting rod; 9. a second connecting rod; 10. a first button; 11. a spring slot; 12. a spring; 13. a loop bar; 14. a first limit rod; 15. a second limiting rod; 16. a housing; 17. a first pressing block; 18. a second pressing block; 19. a latch slot; 20. a second button; 21. a third limiting rod; 22. a fourth limiting rod; 23. a first pin.

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 an embodiment:

the utility model provides a group battery for electric motor car with low temperature protection structure, including battery case 1 and heat preservation 2, battery case 1 surface is embedded to have bolt groove 19, and bolt groove 19 is embedded to have first bolt 23, heat preservation 2 is run through in the first bolt 23 outside, 2 suits of heat preservation are in the battery case 1 outside, first bolt 23 is provided with seven groups, the inboard welding of first bolt 23 has special-shaped waist shape lug, bolt groove 19 sets up to special-shaped waist shape hole inner wall diameter and first bolt 23 surface special-shaped waist shape hole surface diameter the same, through rotating first bolt 23, make first bolt 23 drive the inboard welded special-shaped waist shape lug of first bolt 23 and carry out 90 rotations, pull first bolt 23 again, make first bolt 23 take out from bolt groove 19, the convenience is to the dismantlement of heat preservation 2.

The upper end of the inner wall of the battery box 1 is welded with a limiting ring 3, the upper end of the limiting ring 3 is provided with a cover plate 4, the surface of the limiting ring 3 is provided with a round hole, the bottom ends of the left side and the right side of the cover plate 4 are welded with round bumps, the surface diameter of the round bumps welded at the bottom ends of the left side and the right side of the cover plate 4 is equal to the diameter of the inner wall of the round hole arranged at the surface of the limiting ring 3, the round bumps welded at the bottom ends of the left side and the right side of the cover plate 4 are inserted into the round holes arranged at the surface of the limiting ring 3, the stability of the cover plate 4 and the battery box 1 is improved, the middle part of the cover plate 4 is welded with a shell 16, the left side of the inner wall of the shell 16 is provided with a first press block 17, the first press block 17 and a second press block 18 are both semicircular, the shell 16 is circular, the surface radian of, a second connecting rod 9 is welded on the left side of the first abutting block 17, the second connecting rod 9 penetrates through the left side of the shell 16, a second connecting rod 9 is welded on the left side of the second connecting rod 9, a first connecting rod 8 is welded on the left side of the second connecting rod 9, a second bolt 5 is welded on the left side of the first connecting rod 8, the middle part of the second bolt 5 is penetrated through by a slide rod 7, two kidney-shaped holes are arranged in the middle part of the second bolt 5, the slide rod 7 is cylindrical, the inner wall diameter of the two kidney-shaped holes arranged in the middle part of the second bolt 5 is the same as the cylindrical surface diameter of the slide rod 7, when the second bolt 5 moves, the slide rod 7 is abducted through the two kidney-shaped holes arranged in the middle part of the second bolt 5, a limiting block 6 is welded in the middle part of the slide rod 7, the upper end of the slide rod 7 is welded on the cover plate 4, a loop bar, the left side and the right side of the spring 12 are welded on the loop bar 13, the right side of the other loop bar 13 is welded with a second pressing block 18, the second pressing block 18 is arranged inside the right side of the bolt groove 19, the end of the second pressing block 18 is welded with a second button 20, the upper end of the left side of the inner wall of the shell 16 and the bottom end of the inner wall of the shell are welded with a fourth limiting rod 22 and a third limiting rod 21, the fourth limiting rod 22 and the third limiting rod 21 all penetrate through the first pressing block 17, the upper end of the left side of the inner wall of the shell 16 and the bottom end of the inner wall of the shell are welded with a second limiting rod 15 and a first limiting rod 14, and the second limiting rod 15 and the.

The working principle is as follows: need carry out the bolt to heat preservation 2 when summer, rotate first bolt 23 earlier, first bolt 23 makes the inside lug of bolt groove 19 rotatory, make inside lug rotatory become 90, pull first bolt 23 again, first bolt 23 drives the lug, take out the lug from bolt groove 19, the convenient dismantlement to heat preservation 2 guarantees in summer, can not influence the battery heat dissipation of 1 inside of battery case because of heat preservation 2, lead to the battery spontaneous combustion.

When batteries in the battery box 1 need to be replaced, the first button 10 and the second button 20 are pressed first, the first button 10 drives the first abutting block 17 to move, the first abutting block 17 drives the second connecting rod 9 to move, the second connecting rod 9 drives the second bolt 5 to move through the first connecting rod 8, meanwhile, the second button 20 drives the second abutting block 18 to move, the second abutting block 18 drives the other second connecting rod 9 to move, the other second connecting rod 9 drives the other second bolt 5 to move through the other first connecting rod 8, so that the two groups of second bolts 5 are taken out of gaps formed in the surface of the battery box 1, the shell 16 is pulled, the shell 16 drives the cover plate 4 to move, the cover plate 4 is taken out of the battery box 1, and the battery box 1 is convenient to open.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a group battery for electric motor car with low temperature protection structure, includes battery case (1) and heat preservation (2), its characterized in that: the battery box is characterized in that a pin groove (19) is embedded in the surface of the battery box (1), a first pin (23) is embedded in the pin groove (19), a heat preservation layer (2) penetrates through the outer side of the first pin (23), the heat preservation layer (2) is sleeved on the outer side of the battery box (1), a limiting ring (3) is welded at the upper end of the inner wall of the battery box (1), a cover plate (4) is arranged at the upper end of the limiting ring (3), a shell (16) is welded in the middle of the cover plate (4), a first pressing block (17) is arranged on the left side of the inner wall of the shell (16), a first button (10) is welded at the upper end of the first pressing block (17), a second connecting rod (9) is welded on the left side of the first pressing block (17), the second connecting rod (9) penetrates through the left side of the shell (16), a second connecting rod (9) is welded on the left side of, and the left side of the first connecting rod (8) is welded with a second bolt (5), the middle part of the second bolt (5) is penetrated through by a sliding rod (7), the middle part of the sliding rod (7) is welded with a limit block (6), the upper end of the sliding rod (7) is welded on the cover plate (4), the left side of the first abutting block (17) is welded with a loop bar (13), the inner side of the loop bar (13) is embedded in a spring groove (11), a spring (12) is arranged in the spring groove (11), the left side and the right side of the spring (12) are both welded on the loop bar (13), the right side of the loop bar (13) is welded with a second abutting block (18), the second abutting block (18) is arranged in the right side of the inserting groove (19), the upper end of the second abutting block (18) is welded with a second button (20), the left upper end and the bottom end of the inner wall of the shell (16) are both welded with a fourth limit rod (, the fourth limiting rod (22) and the third limiting rod (21) penetrate through the first pressing block (17), the second limiting rod (15) and the first limiting rod (14) are welded to the upper end and the bottom end of the left side of the inner wall of the shell (16), and the second limiting rod (15) and the first limiting rod (14) penetrate through the second pressing block (18).

2. The battery pack for an electric vehicle having a cryogenic protection structure according to claim 1, characterized in that: the middle part of the second bolt (5) is provided with two waist-shaped holes, the sliding rod (7) is cylindrical, and the diameters of the inner walls of the two waist-shaped holes arranged in the middle part of the second bolt (5) are the same as the diameters of the cylindrical surfaces arranged on the sliding rod (7).

3. The battery pack for an electric vehicle having a cryogenic protection structure according to claim 1, characterized in that: the surface of the limiting ring (3) is provided with a round hole, the bottom ends of the left side and the right side of the cover plate (4) are welded with round lugs, and the surface diameter of the round lugs welded at the bottom ends of the left side and the right side of the cover plate (4) is equal to the diameter of the inner wall of the round hole formed in the surface of the limiting ring (3).

4. The battery pack for an electric vehicle having a cryogenic protection structure according to claim 1, characterized in that: the first pressing block (17) and the second pressing block (18) are both semicircular, the shell (16) is circular, and the surface radians of the first pressing block (17) and the second pressing block (18) are equal to the inner wall radians of the shell (16).

5. The battery pack for an electric vehicle having a cryogenic protection structure according to claim 1, characterized in that: the novel multifunctional bolt is characterized in that seven groups of the first bolt (23) are arranged, the inner side of the first bolt (23) is welded with a special-shaped waist-shaped convex block, and the bolt groove (19) is a special-shaped waist-shaped hole.

6. The battery pack for an electric vehicle having a cryogenic protection structure according to claim 1, characterized in that: the pin slot (19) is set to be the same as the surface diameter of the special-shaped waist-shaped hole on the surface of the first pin (23).