CN214753972U

CN214753972U - Special lithium battery pack for special vehicle

Info

Publication number: CN214753972U
Application number: CN202120506553.XU
Authority: CN
Inventors: 姜丽华; 李天�; 宇小强
Original assignee: China Lithium Energy Technology Hangzhou Co ltd
Current assignee: Hangzhou Fanzhihua Electronics Co ltd
Priority date: 2021-03-10
Filing date: 2021-03-10
Publication date: 2021-11-16
Anticipated expiration: 2031-03-10

Abstract

The utility model discloses a special lithium cell group of special type vehicle, including the main casing, the inside strutting arrangement that is provided with of main casing, strutting arrangement is inside including first telescopic link, first telescopic link upper end is provided with the second telescopic link, second telescopic link bottom is provided with the clamp plate, the clamp plate bottom is provided with the depression bar, the depression bar bottom is provided with the base, the depression bar outer wall is located the base upper end and is provided with compression spring, the strutting arrangement both sides are provided with fixed screw, the strutting arrangement top is provided with the punch holder. This special lithium cell group of special vehicle can reach and reduce external impact to the damage of group battery through setting up strutting arrangement and fixing bolt, has improved the transportation safety problem, has reduced manufacturing cost's purpose to through setting up adhesive sheet and spacing fossil fragments, can reach and reduce the phenomenon of group battery contact failure, improve the purpose of the daily performance of group battery.

Description

Special lithium battery pack for special vehicle

Technical Field

The utility model relates to a battery pack technical field specifically is special lithium cell group of special type vehicle.

Background

A "lithium battery" is a type of battery using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a positive/negative electrode material. Because the chemical characteristics of lithium metal are very active, the requirements on the environment for processing, storing and using the lithium metal are very high. With the development of scientific technology, lithium batteries have become mainstream, and the lithium batteries can be roughly divided into two types: lithium metal batteries and lithium ion batteries. Lithium ion batteries do not contain lithium in the metallic state and are rechargeable. The fifth generation of rechargeable batteries, lithium metal batteries, was born in 1996, and the safety, specific capacity, self-discharge rate and cost performance of rechargeable batteries were all superior to those of lithium ion batteries. Due to its own high technical requirement limits, only a few countries of companies are producing such lithium metal batteries.

The prior art has the following defects or problems:

1. the existing lithium battery pack special for special vehicles is easy to collide in the carrying process due to large volume, so that the lithium battery pack is damaged, the installation and the disassembly of the shell of the lithium battery pack are complicated, and the production cost and the assembly time are improved;

2. when the special lithium battery for the existing special vehicle is used, the internal lithium battery can generate the sloshing phenomenon, the contact of the lithium battery pack is poor, the use is influenced, and the practicability is lower.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's weak point, provide special lithium cell group of special vehicle, with the special lithium cell group of current special vehicle that proposes in solving the background art easily takes place the collision because of the volume is great in handling, lead to lithium cell department group to produce the damaged condition, and lithium cell group shell installation and dismantlement are comparatively loaded down with trivial details, manufacturing cost and equipment time's problem has been improved, and the special lithium cell of current special vehicle is when using, the phenomenon can be rocked in inside lithium cell, lead to lithium cell group contact failure, influence the use, the lower problem of practicality.

In order to achieve the above object, the utility model provides a following technical scheme: special lithium cell group of special vehicle, including the main casing, the inside strutting arrangement that is provided with of main casing, strutting arrangement is inside including first telescopic link, first telescopic link upper end is provided with the second telescopic link, second telescopic link bottom is provided with the clamp plate, the clamp plate bottom is provided with the depression bar, the depression bar bottom is provided with the base, the depression bar outer wall is located the base upper end and is provided with compression spring, the strutting arrangement both sides are provided with fixed screw, the strutting arrangement top is provided with the punch holder, the strutting arrangement bottom is provided with the lower plate, the thread groove has been seted up to punch holder and lower plate inside, the inside fixing bolt that is provided with of thread groove.

As the utility model discloses a preferred technical scheme, the lower plate top is located and is provided with the adhesive plate between strutting arrangement, the adhesive plate upper surface is provided with the bonding hole, the bonding hole both sides are provided with the baffle.

As the utility model discloses an optimized technical scheme, the inside spacing screw of having seted up of baffle, the inside spacing bolt that is provided with of spacing screw, spacing bolt upper end is provided with spacing post.

As the utility model discloses an preferred technical scheme, the adhesive sheet upper end sets up the lithium cell, the lithium cell outer wall is provided with spacing fossil fragments, the inside battery hole, two of having seted up of spacing fossil fragments be provided with spacing hole between the battery hole.

As the utility model discloses an optimal technical scheme, strutting arrangement's quantity is a plurality of, the external diameter size of second telescopic link and the internal diameter size phase-match of first telescopic link, the external diameter size of second telescopic link is greater than compression spring's external diameter size, the second telescopic link passes through compression spring and first telescopic link elastic connection.

As the utility model discloses an optimal technical scheme, fixing bolt's quantity is a plurality of, the quantity phase-match of fixed screw, thread groove and fixing bolt, fixing bolt's external diameter size and the internal diameter size phase-match of fixed screw, fixing bolt passes through fixed screw and strutting arrangement fixed connection.

As the utility model discloses an preferred technical scheme, the quantity phase-match of bonding hole and battery hole and lithium cell, the quantity phase-match of spacing hole and spacing screw, the lithium cell passes through bonding hole and adhesive plate fixed connection, the internal diameter size of spacing screw and the external diameter size phase-match of spacing bolt, spacing post is through spacing screw and spacing bolt and baffle fixed connection.

Compared with the prior art, the utility model provides a special lithium cell group of special type vehicle possesses following beneficial effect:

1. the special lithium battery pack for the special vehicle is characterized in that the supporting device, the first telescopic rod, the second telescopic rod, the pressing plate, the pressing rod, the compression spring, the fixing screw hole, the upper clamping plate, the lower clamping plate, the thread groove and the fixing bolt are arranged, when the special lithium battery pack is used, the supporting device is placed between the upper clamping plate and the lower clamping plate, and the supporting device, the upper clamping plate and the lower clamping plate are fixed by rotating the fixing bolt, so that the battery pack is convenient to mount and dismount;

2. this special lithium cell group of special vehicle, through setting up the adhesive sheet, the bonding hole, the baffle, spacing screw, spacing bolt, spacing post, spacing fossil fragments, the battery hole, spacing hole, during the use, fix the lithium cell in the bonding downthehole portion, it is inside to peg graft into the lithium cell with spacing fossil fragments through the battery hole this moment, reduce rocking the condition of group battery, it is inside to pass spacing hole grafting into spacing screw with spacing post this moment, rotate spacing post, spacing post drives inside spacing bolt rotation gets into spacing screw, accomplish the fixed of spacing fossil fragments, further fixed group battery, the phenomenon of group battery contact failure has been reduced, the daily performance of group battery has been improved.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the supporting device of the present invention;

FIG. 3 is a schematic view of the appearance structure of the adhesive sheet of the present invention;

FIG. 4 is a schematic view of the structure of the spacing column of the present invention;

figure 5 is the utility model discloses spacing fossil fragments structure sketch map.

In the figure: 1. a main housing; 2. a support device; 3. a first telescopic rod; 4. a second telescopic rod; 5. pressing a plate; 6. a pressure lever; 7. a base; 8. a compression spring; 9. fixing screw holes; 10. an upper splint; 11. a lower splint; 12. a thread groove; 13. fixing the bolt; 14. bonding a board; 15. an adhesive hole; 16. a baffle plate; 17. a limiting screw hole; 18. a limit bolt; 19. a limiting column; 20. a lithium battery; 21. a limiting keel; 22. a battery aperture; 23. and a limiting hole.

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. 1-5, in this embodiment: special lithium cell group of special vehicle, including

main casing

1, 1 inside strutting arrangement 2 that is provided with of main casing, strutting arrangement 2 is inside including first

telescopic link

3, 3 upper ends of first telescopic link are provided with second telescopic link 4, 4 bottoms of second telescopic link are provided with

clamp plate

5, 5 bottoms of clamp plate are provided with

depression bar

6, 6 bottoms of depression bar are provided with

base

7, 6 outer walls of depression bar are located the base 7 upper end and are provided with

compression spring

8, 2 both sides of strutting arrangement are provided with fixed

screw

9, 2 tops of strutting arrangement are provided with

punch holder

10, 2 bottoms of strutting arrangement are provided with lower plate 11, thread groove 12 has been seted up to

punch holder

10 and 11 insides of lower plate, the inside fixing bolt 13 that is provided with of thread groove 12.

In this embodiment, a bonding plate 14 is disposed between the supporting devices 2 at the top of the lower clamping plate 11, a bonding hole 15 is disposed on the upper surface of the bonding plate 14, and baffles 16 are disposed on two sides of the bonding hole 15; the adhesive sheet 14 and the adhesive hole 15 serve to fix the lithium battery 20, and the barrier 16 serves to primarily prevent the lithium battery 20 from shaking. A limiting screw hole 17 is formed in the baffle 16, a limiting bolt 18 is arranged in the limiting screw hole 17, and a limiting column 19 is arranged at the upper end of the limiting bolt 18; the limiting screw hole 17 and the limiting bolt 18 play a role in fixing the limiting column 19, and the limiting column 19 plays a role in fixing the limiting keel 21. The upper end of the bonding plate 14 is provided with a lithium battery 20, the outer wall of the lithium battery 20 is provided with a limiting keel 21, a battery hole 22 is formed in the limiting keel 21, and a limiting hole 23 is formed between the two battery holes 22; the limit keel 21 plays a role in fixing the lithium battery 20 for the second time, and prevents the lithium battery 20 from shaking in use. The number of the supporting devices 2 is a plurality, the outer diameter of the second telescopic rod 4 is matched with the inner diameter of the first telescopic rod 3, the outer diameter of the second telescopic rod 4 is larger than the outer diameter of the compression spring 8, and the second telescopic rod 4 is elastically connected with the first telescopic rod 3 through the compression spring 8; the anti-collision damage of the battery pack in the transportation process is realized. The number of the fixing bolts 13 is a plurality, the number of the fixing screw holes 9, the number of the thread grooves 12 and the number of the fixing bolts 13 are matched, the outer diameter size of the fixing bolts 13 is matched with the inner diameter size of the fixing screw holes 9, and the fixing bolts 13 are fixedly connected with the supporting device 2 through the fixing screw holes 9; the battery pack is convenient to mount and dismount. The number of the bonding holes 15 and the number of the battery holes 22 are matched with that of the lithium batteries 20, the number of the limiting holes 23 is matched with that of the limiting screw holes 17, the lithium batteries 20 are fixedly connected with the bonding plate 14 through the bonding holes 15, the inner diameter size of the limiting screw holes 17 is matched with the outer diameter size of the limiting bolts 18, and the limiting columns 19 are fixedly connected with the baffle 16 through the limiting screw holes 17 and the limiting bolts 18; the shaking phenomenon generated in the use process of the battery pack is reduced, and poor contact is prevented.

The utility model discloses a theory of operation and use flow: when the special lithium battery pack for special vehicles is used, the supporting device 2 is placed between the upper clamping plate 10 and the lower clamping plate 11, the supporting device 2 is fixed with the upper clamping plate 10 and the lower clamping plate 11 by rotating the fixing bolt 13, so that the battery pack is convenient to install and detach, meanwhile, when the special lithium battery pack is impacted by the outside, the second telescopic rod 4 is compressed and compressed inwards, the pressing plate 5 and the pressing rod 6 are pressed to move downwards, the compression spring 8 is in a tightened state, the damage of the external impact on the battery pack is reduced, the transportation safety problem is improved, the production cost is reduced, meanwhile, the lithium battery 20 is fixed inside the bonding hole 15, the limiting keel 21 is inserted into the lithium battery 20 through the battery hole 22, the shaking condition of the battery pack is reduced, the limiting column 19 penetrates through the limiting hole 23 and is inserted into the limiting screw hole 17, the limiting column 19 is rotated, the limiting bolt 18 is driven by the limiting column 19 to rotate to enter the limiting screw hole 17, accomplish spacing fossil fragments 21 fixed, further fixed group battery has reduced the phenomenon of group battery contact failure, has improved the daily performance of group battery.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Special lithium cell group of special type vehicle, its characterized in that: comprises a main shell (1), a supporting device (2) is arranged in the main shell (1), the supporting device (2) comprises a first telescopic rod (3) inside, a second telescopic rod (4) is arranged at the upper end of the first telescopic rod (3), a pressure plate (5) is arranged at the bottom of the second telescopic rod (4), a pressure rod (6) is arranged at the bottom of the pressure plate (5), a base (7) is arranged at the bottom of the compression bar (6), a compression spring (8) is arranged on the outer wall of the compression bar (6) and positioned at the upper end of the base (7), fixing screw holes (9) are arranged on two sides of the supporting device (2), an upper clamping plate (10) is arranged on the top of the supporting device (2), the supporting device is characterized in that a lower clamping plate (11) is arranged at the bottom of the supporting device (2), a thread groove (12) is formed in the upper clamping plate (10) and the lower clamping plate (11), and a fixing bolt (13) is arranged in the thread groove (12).

2. The special lithium battery pack for special vehicles according to claim 1, wherein: the top of the lower clamping plate (11) is provided with a bonding plate (14) between the supporting devices (2), the upper surface of the bonding plate (14) is provided with bonding holes (15), and two sides of each bonding hole (15) are provided with baffles (16).

3. The special lithium battery pack for special vehicles according to claim 2, wherein: the baffle plate (16) is internally provided with a limiting screw hole (17), a limiting bolt (18) is arranged in the limiting screw hole (17), and a limiting column (19) is arranged at the upper end of the limiting bolt (18).

4. The special lithium battery pack for special vehicles according to claim 3, wherein: the lithium battery (20) is arranged at the upper end of the bonding plate (14), the limiting keel (21) is arranged on the outer wall of the lithium battery (20), the battery holes (22) are formed in the limiting keel (21), and the limiting holes (23) are formed between the two battery holes (22).

5. The special lithium battery pack for special vehicles according to claim 1, wherein: the quantity of strutting arrangement (2) is a plurality of, the external diameter size of second telescopic link (4) and the internal diameter size phase-match of first telescopic link (3), the external diameter size of second telescopic link (4) is greater than the external diameter size of compression spring (8), second telescopic link (4) are through compression spring (8) and first telescopic link (3) elastic connection.

6. The special lithium battery pack for special vehicles according to claim 1, wherein: the quantity of fixing bolt (13) is a plurality of, the quantity phase-match of fixing screw (9), thread groove (12) and fixing bolt (13), the external diameter size of fixing bolt (13) and the internal diameter size phase-match of fixing screw (9), fixing bolt (13) are through fixing screw (9) and strutting arrangement (2) fixed connection.

7. The special lithium battery pack for special vehicles according to claim 4, wherein: the number of the bonding holes (15) and the number of the battery holes (22) are matched with that of the lithium batteries (20), the number of the limiting holes (23) is matched with that of the limiting screw holes (17), the lithium batteries (20) are fixedly connected with the bonding plate (14) through the bonding holes (15), the inner diameter size of the limiting screw holes (17) is matched with the outer diameter size of the limiting bolts (18), and the limiting columns (19) are fixedly connected with the baffle plate (16) through the limiting screw holes (17) and the limiting bolts (18).