CN213212257U

CN213212257U - Lithium ion battery utmost point post welding shockproof structure

Info

Publication number: CN213212257U
Application number: CN202022422130.8U
Authority: CN
Inventors: 张晓晓
Original assignee: Henan Smart New Energy Co ltd
Current assignee: Henan Smart New Energy Co ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-05-14
Anticipated expiration: 2030-10-27

Abstract

The utility model discloses a lithium ion battery utmost point post welding shockproof structure belongs to lithium ion battery technical field, including shell and base, the cap is installed at the shell top, install the utmost point post hole on the cap, it is provided with the multiunit to install fixed establishment and fixed establishment on the shell, fixed establishment comprises pivot, rotatory piece and fixed block, the pivot runs through the shell, rotatory piece is installed to pivot one end, rotatory piece is located the shell outside, the fixed block is installed to the pivot other end, the fixed block is located inside the shell, the shell is installed on the base. Through multiunit fixed establishment to lithium ion battery's fixed, prevent that lithium ion battery from rocking inside the shell, influence lithium ion battery normal life, through compression spring relieve the vibrations that lithium ion battery produced in the use, make lithium ion battery can normally work, increased the practicality of device.

Description

Lithium ion battery utmost point post welding shockproof structure

Technical Field

The utility model relates to a lithium ion battery technical field especially relates to a lithium ion battery utmost point post welding shockproof structure.

Background

In recent years, with the increasing energy crisis and the global environmental problems, the development and application of new energy has become a global trend, and lithium ion power batteries using lithium iron phosphate as a cathode material are regarded as the best energy of new energy automobiles such as electric automobiles, hybrid electric automobiles and the like, have a rapid development trend, and the safety of lithium ion batteries is greatly improved compared with the conventional lithium ion batteries with the progress of lithium ion battery technology and the appearance of new materials.

Patent CN201610154247.8 discloses a cylindrical lithium ion battery with multiple positive electrode lugs, which comprises a battery shell, a battery pole group is placed in the battery shell, and the top of the battery pole group is connected with multiple positive electrode lugs; the plurality of positive lugs are welded together in an ultrasonic welding mode to form a positive lug group; the positive pole lug group and the battery cover are welded together in a laser welding mode. The cylindrical lithium ion battery with the multiple positive lugs disclosed by the invention can be used for conveniently and effectively welding the multiple positive lugs to the battery cover of the cylindrical lithium ion battery, so that the welding effect is ensured, the production quality of the battery is improved, the overall production cost of the battery is further reduced, the cylindrical lithium ion battery with the multiple positive lugs is beneficial to being widely applied in production, and the cylindrical lithium ion battery with the multiple positive lugs has great production practice significance.

Some of the above-mentioned utility model have the disadvantages: 1. adopt welding mode to lead the electric core that connects and utmost point post can have not hard up phenomenon that breaks away from, is unfavorable for increasing product life, and at the in-process that uses, lithium ion battery can receive the damage because of lacking protection device usually, causes lithium ion battery life's reduction. 2. The electric core is connected with the positive pole column and the negative pole column in a welding mode, and vibration can be continuously generated in the using process to influence normal work.

SUMMERY OF THE UTILITY MODEL

The utility model provides a lithium ion battery utmost point post welding shockproof structure aims at through multiunit fixed establishment to lithium ion battery's fixed, prevents that lithium ion battery from rocking inside the shell, influences the normal life of lithium ion battery, and the vibrations that lithium ion battery produced in the use are relieved through compression spring, make lithium ion battery can normally work, have increased the practicality of device.

The utility model provides a specific technical scheme as follows:

the utility model provides a lithium ion battery pole welding shockproof structure, which comprises a shell and a base, wherein the top of the shell is provided with a shell cover, the shell cover is provided with pole holes, the shell is provided with a fixing mechanism and the fixing mechanism is provided with a plurality of groups, the fixing mechanism consists of a rotating shaft, a rotating block and a fixed block, the rotating shaft penetrates through the shell, one end of the rotating shaft is provided with the rotating block, the rotating block is positioned outside the shell, the other end of the rotating shaft is provided with the fixed block, the fixed block is positioned inside the shell, the shell is arranged on the base, the base consists of a support plate, a support seat and a support column, the shell is arranged on the support plate, the support plate is provided with a sliding block A and a sliding block B, the bottom of the support plate is provided with, the damping box internally mounted has sliding block C and sliding block D, install compression spring in sliding block C and the sliding block D, link arm A is installed to the sliding block C other end, link arm A installs on sliding block A, link arm B is installed to the sliding block D other end, the link arm B other end is installed on sliding block B.

Optionally, sealing rings are mounted at the bottom of the shell cover and in the pole holes.

Optionally, the shell is provided with a plurality of threaded holes, the plurality of threaded holes are formed in the shell, threads are carved on the outer wall of the rotating shaft, and the threads carved on the outer wall of the rotating shaft are matched with the threaded holes.

Optionally, a silica gel block is installed on the fixing block, and the outer surface of the silica gel block is a plane.

Optionally, the supporting plate and the shock absorption box are provided with sliding grooves, the supporting plate is horizontally and slidably connected with a sliding block A and a sliding block B, and the shock absorption box is horizontally and slidably connected with a sliding block C and a sliding block D.

The utility model has the advantages as follows:

1. the embodiment of the utility model provides a shockproof structure for welding lithium ion battery poles, the shell cover is opened, the lithium ion battery is placed in the shell, when the shell cover is closed, the sealing rings are respectively arranged at the bottom of the shell cover and in the pole holes, the sealing performance of the structure is effectively ensured, dust is prevented from entering the shell to cause pollution of the lithium ion battery, then the fixing mechanism is adjusted, the rotating block is moved, the rotating block drives the rotating shaft to rotate in the threaded hole, the rotating shaft drives the fixing block to move inwards, when the silica gel block arranged on the outer wall of the fixing block is attached to the lithium ion battery, the lithium ion battery is fixed, when the lithium ion battery shakes in the shell, the silica gel block can relieve the impact force borne by the lithium ion battery, the lithium ion battery is prevented from being damaged due to impact, other groups of fixing mechanisms are adjusted, the lithium, affecting the normal service life of the lithium ion battery.

2. The embodiment of the utility model provides a welding shockproof structure for a lithium ion battery pole, when a shell vibrates, the force is transmitted to the base and then transmitted to the sliding block A and the sliding block B through the supporting plate, the sliding block A and the sliding block B move in the sliding groove in the opposite direction and pull the connecting arm rod A and the connecting arm rod B, the connecting arm rod A and the connecting arm rod B drive the sliding block C and the sliding block D, the sliding block C and the sliding block D move in the opposite direction under the force and extrude a compression spring, the compression spring is a spiral spring bearing the pressure, the compression spring is generally a metal wire which is coiled at equal pitch and has a fixed linear diameter, the compression spring supplies resisting force to the external load pressure by utilizing a plurality of open coils, and the compression spring pushes back to resist the external pressure, the vibration generated by the lithium ion battery in the use process is relieved through the compression spring, so that the lithium ion battery can normally work, and the practicability of the device is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a front view of a lithium ion battery post welding shockproof structure according to an embodiment of the present invention;

fig. 2 is a schematic view of an extended structure of the fixing mechanism in fig. 1 of a shockproof structure for welding the lithium ion battery post in the embodiment of the present invention.

In the figure: 1. a housing; 2. a fixing mechanism; 3. a shell cover; 4. a seal ring; 5. a pole hole; 6. a base; 7. a support plate; 8. a supporting seat; 9. a support pillar; 10. a sliding block A; 11. a sliding block B; 12. a chute; 13. an arm connecting rod A; 14. an arm connecting rod B; 15. a slider C; 16. a sliding block D; 17. a compression spring; 18. a damper box; 19. a rotating shaft; 20. rotating the block; 21. a threaded hole; 22. a fixed block; 23. and (4) a silica gel block.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, 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 efforts belong to the protection scope of the present invention.

A lithium ion battery post welding shockproof structure according to an embodiment of the present invention will be described in detail with reference to fig. 1 and 2.

Referring to fig. 1 and 2, a lithium ion battery post welding shockproof structure provided by an embodiment of the present invention includes a housing 1 and a base 6, a housing cover 3 is installed on the top of the housing 1, a post hole 5 is installed on the housing cover 3, a fixing mechanism 2 is installed on the housing 1 and the fixing mechanism 2 is provided with a plurality of sets, the fixing mechanism 2 is composed of a rotating shaft 19, a rotating block 20 and a fixing block 22, the rotating shaft 19 penetrates through the housing 1, the rotating block 20 is installed at one end of the rotating shaft 19, the rotating block 20 is located outside the housing 1, the fixing block 22 is installed at the other end of the rotating shaft 19, the fixing block 22 is located inside the housing 1, the housing 1 is installed on the base 6, the base 6 is composed of a supporting plate 7, a supporting seat 8 and a supporting column 9, the housing 1 is installed on the supporting plate 7, a sliding block a10 and a, support column 9 is installed to backup pad 7 bottom, the support column 9 other end is installed on supporting seat 8, install damper 18 on the supporting seat 8, damper 18 internally mounted has sliding block C15 and sliding block D16, install compression spring 17 in sliding block C15 and the sliding block D16, link arm lever A13 is installed to the sliding block C15 other end, link arm lever A13 installs on sliding block A10, link arm lever B14 is installed to the sliding block D16 other end, link arm lever B14 other end is installed on sliding block B11.

Referring to fig. 1, the bottom of the shell cover 3 and the pole hole 5 are both provided with a sealing ring 4, so that the sealing performance of the structure is effectively ensured, and dust is prevented from entering the shell 1 to cause pollution to the lithium ion battery.

Referring to fig. 2, the rotating block 20 is moved, the rotating block 20 drives the rotating shaft 19 to rotate in the threaded hole 21, the rotating shaft 19 drives the fixing block 22 to move inwards, and when the silica gel block 23 mounted on the outer wall of the fixing block 22 is attached to the lithium ion battery, the lithium ion battery is fixed.

Referring to fig. 2, when the lithium ion battery shakes inside the housing 1, the silica gel block 23 can relieve the impact force applied to the lithium ion battery, and the silica gel block 23 can prevent the lithium ion battery from being damaged by the impact.

Referring to fig. 1, when housing 1 vibrates, force is transmitted to base 6, and then transmitted to slide block a10 and slide block B11 through support plate 7, slide block a10 and slide block B11 move in slide groove 12 toward each other and pull arm connecting rod a13 and arm connecting rod B14, arm connecting rod a13 and arm connecting rod B14 drive slide block C15 and slide block D16, and slide block C15 and slide block D16 move toward each other under force and compress compression spring 17.

The embodiment of the utility model provides a lithium ion battery utmost point post welding shockproof structure, open cap 3, place lithium ion battery in shell 1, close cap 3, all install sealing washer 4 in cap 3 bottom and the utmost point post hole 5, effectively guarantee the leakproofness of structure, prevent that the dust from getting into in shell 1, cause lithium ion battery to pollute, readjust fixed establishment 2, remove rotatory piece 20, rotatory piece 20 drives pivot 19 and rotates in screw hole 21, pivot 19 drives fixed block 22 and moves to the inside, when the silica gel block 23 of fixed block 22 outer wall installation is laminated lithium ion battery, fix lithium ion battery, when lithium ion battery rocks in shell 1, silica gel block 23 can alleviate the impact force that lithium ion battery received and silica gel block 23 can avoid damaging lithium ion battery because of the striking, adjust other group fixed establishment 2, through the fixed of multiunit fixed establishment 2 to lithium ion battery, the lithium ion battery is prevented from shaking in the shell 1 to influence the normal service life of the lithium ion battery, when the shell 1 shakes, force is transmitted to the base 6 and then transmitted to the sliding block A10 and the sliding block B11 through the supporting plate 7, the sliding block A10 and the sliding block B11 move oppositely in the sliding groove 12 and pull the connecting arm rod A13 and the connecting arm rod B14, the connecting arm rod A13 and the connecting arm rod B14 drive the sliding block C15 and the sliding block D16, the sliding block C15 and the sliding block D16 move oppositely under stress and squeeze the compression spring 17, the compression spring 17 is a spiral spring bearing the pressure, the compression spring 17 is generally a metal wire which is wound at equal pitch and has a fixed linear diameter, the compression spring 17 utilizes a plurality of open coils to supply resisting force to external load pressure, the open coils push the open coils back to resist the external pressure, and the vibration generated by the lithium ion battery in the use process is relieved through the compression spring 17, so that the lithium ion battery can work, the practicability of the device is increased.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a lithium ion battery utmost point post welding shockproof structure, includes shell (1) and base (6), its characterized in that, shell (3) are installed at shell (1) top, install utmost point post hole (5) on shell (3), it is provided with the multiunit to install fixed establishment (2) and fixed establishment (2) on shell (1), fixed establishment (2) comprise pivot (19), rotatory piece (20) and fixed block (22), pivot (19) run through shell (1), rotatory piece (20) are installed to pivot (19) one end, rotatory piece (20) are located shell (1) outside, fixed block (22) are installed to pivot (19) the other end, fixed block (22) are located inside shell (1), install on base (6) shell (1), base (6) are by backup pad (7), A supporting seat (8) and a supporting column (9), the shell (1) is arranged on a supporting plate (7), a sliding block A (10) and a sliding block B (11) are arranged on the supporting plate (7), a supporting column (9) is arranged at the bottom of the supporting plate (7), the other end of the supporting column (9) is arranged on a supporting seat (8), a damping box (18) is arranged on the supporting seat (8), a sliding block C (15) and a sliding block D (16) are arranged in the damping box (18), a compression spring (17) is arranged in the sliding block C (15) and the sliding block D (16), the other end of the sliding block C (15) is provided with a connecting arm rod A (13), the connecting arm rod A (13) is arranged on the sliding block A (10), and a connecting arm rod B (14) is installed at the other end of the sliding block D (16), and the other end of the connecting arm rod B (14) is installed on the sliding block B (11).

2. The lithium ion battery pole welding shockproof structure according to claim 1, characterized in that sealing rings (4) are mounted at the bottom of the shell cover (3) and in the pole hole (5).

3. The lithium ion battery pole welding shockproof structure of claim 1, characterized in that the housing (1) is provided with a plurality of groups of threaded holes (21) and the threaded holes (21), the outer wall of the rotating shaft (19) is provided with threads, and the threads provided on the outer wall of the rotating shaft (19) are matched with the threaded holes (21).

4. The lithium ion battery pole welding shockproof structure of claim 1, characterized in that a silica gel block (23) is mounted on the fixing block (22), and the outer surface of the silica gel block (23) is a plane.

5. The lithium ion battery pole welding shockproof structure of claim 1, characterized in that sliding grooves (12) are respectively formed in the supporting plate (7) and the shock absorption box (18), the supporting plate (7) is horizontally and slidably connected with a sliding block A (10) and a sliding block B (11), and the shock absorption box (18) is horizontally and slidably connected with a sliding block C (15) and a sliding block D (16).