CN218276151U

CN218276151U - Can stabilize battery protection shield of centre gripping battery

Info

Publication number: CN218276151U
Application number: CN202222303349.5U
Authority: CN
Inventors: 孟怀; 刘冰星; 雷江涛; 尚肖磊; 杜峰坡
Original assignee: Zhengzhou Yitesi Electronic Technology Co ltd
Current assignee: Henan Huapu IOT Technology Co.,Ltd.
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2023-01-10
Anticipated expiration: 2032-08-31

Abstract

The utility model discloses a battery protection board capable of stably clamping a battery, which relates to the technical field of lithium batteries and comprises a limiting frame, wherein a plurality of through holes matched with the size of the end part of a lithium battery are distributed in the middle of the limiting frame in an array manner, the staggered part of a longitudinal frame and a transverse frame of the limiting frame is fixed with a limiting block for limiting the lithium battery, a gap for a power supply connecting sheet to pass through is arranged between two adjacent limiting blocks, two corresponding sides of the limiting frame are respectively and fixedly connected with a limiting insert block and a limiting slot, and the limiting frame is provided with a bolt hole; the both ends of lithium cell all are equipped with spacing frame, one side of spacing frame is equipped with protection shield protection frame, the equal fixedly connected with in one side both ends of protection shield protection frame spacing inserted block and spacing slot. This can stabilize battery protection shield of centre gripping battery under spacing frame's cooperation, makes the installation more convenient, stable, is convenient for simultaneously according to the demand adjustment group battery size of a dimension, reduces the processing cost.

Description

Can stabilize battery protection shield of centre gripping battery

Technical Field

The utility model relates to a lithium cell technical field specifically is a can stabilize battery protection shield of centre gripping battery.

Background

The lithium battery protection board is protected by charging and discharging of the lithium battery pack. When the battery pack is fully charged, the voltage difference between the single batteries can be ensured to be smaller than a set value, the uniform charging of the single batteries of the battery pack is realized, and the charging effect under a series charging mode is effectively improved. And simultaneously, the overvoltage, undervoltage, overcurrent, short circuit and overtemperature states of each single battery in the battery pack are detected, so that the service life of the battery is protected and prolonged.

When a small amount of lithium battery packs are produced according to the customized requirements of customers, the conventional lithium battery packs are roughly divided into two splicing modes according to the number and the size of the batteries, when the number and the size of the batteries are small, the batteries are connected and fixed through an electric connecting sheet, and then a layer of PVC heat-shrinkable sleeve is wrapped on the outer side of the battery pack, so that a lithium battery protection plate is difficult to fix with the lithium battery pack due to the absence of a rigid connecting structure, and meanwhile, the connecting sheet is easy to be desoldered with the lithium battery; when the number of batteries is large and the size is large, the lithium battery is limited and fixed by the aid of the limiting frame, the lithium battery protection board is fixed on the limiting frame through screws, and the customizing and processing cost of the limiting frame is relatively high.

Therefore, it is necessary to provide a battery protection plate capable of stably clamping a battery to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

An object of the utility model is to provide a can stabilize battery protection shield of centre gripping battery to solve the fixed inconvenient and higher problem of spacing frame customization processing cost of battery protection shield among the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a battery protection plate capable of stably clamping a battery comprises a limiting frame, wherein a plurality of through holes matched with the end part of a lithium battery in size are distributed in the middle of the limiting frame in an array mode, limiting blocks used for limiting the lithium battery are fixed at the crossed positions of a longitudinal frame and a transverse frame of the limiting frame, a gap through which a power supply connecting sheet passes is formed between every two adjacent limiting blocks, a limiting insert block and a limiting slot are fixedly connected to two corresponding sides of the limiting frame respectively, and bolt holes are formed in the limiting frame; the both ends of lithium cell all are equipped with spacing frame, one side of spacing frame is equipped with protection shield protection frame, the equal spacing inserted block of fixedly connected with in one side both ends of protection shield protection frame and spacing slot, one side fixedly connected with protection shield fixing base that protection shield protection frame is close to the lithium cell, one side fixedly connected with lithium cell protection shield that the lithium cell is kept away from to the protection shield fixing base.

Preferably, the bolt holes are arranged in a staggered manner with the lithium batteries, and the two limiting frames are fixedly connected through countersunk bolts.

Preferably, the limiting insertion blocks and the limiting insertion slots on one side of the protective plate protective frame are multiple in number and are distributed in a staggered mode.

Preferably, the length of the protection board fixing seat is the same as the distance between the two limit frames.

Preferably, the edge of the through hole at one end of the limiting frame, which is far away from the limiting block, is provided with a guide chamfer.

Preferably, PVC heat-shrinkable sleeves wrap the outer sides of the two limiting frames.

Preferably, still include the protective housing, wherein the equal fixed connection of both sides is spacing protruding, the equal fixedly connected with limiting plate in both sides in addition in the protective housing.

Preferably, the fixed position of the limiting protrusion corresponds to the position of the electric connecting sheet, the width of the limiting protrusion is matched with the distance between two adjacent limiting blocks, and the fixed position of the limiting plate is staggered with the position of the limiting frame.

Preferably, the protective housing is the rectangle tubbiness, the bung hole department of protective housing is fixed with the fixing base, the size and the bung hole size looks adaptation of protection shield protection frame, protection shield protection frame passes through screw and fixing base fixed connection.

(III) advantageous effects

Compared with the prior art, the utility model provides a can stabilize battery protection shield of centre gripping battery possesses following beneficial effect:

1. this can stabilize battery protection shield of centre gripping battery, through setting up protection shield protection frame and protection shield fixing base, through fixing lithium battery protection shield on the protection shield fixing base, can protect lithium battery protection shield under the effect of protection shield fixing base and protection shield protection frame, protection shield protection frame accessible is spacing inserted block and spacing slot simultaneously fixes it in arbitrary one side of lithium cell group to be adapted to different customization demands, make lithium battery protection shield fixed mounting more convenient, stable.

2. This can stabilize battery protection shield of centre gripping battery through setting up spacing frame, avoids the lithium cell to rock, can stabilize the centre gripping to the lithium cell, reserves the clearance that the power supply connection piece passed between the stopper simultaneously, can protect the electric connection piece, avoids electric connection piece and lithium cell to desolder, and the convenience is maintained it simultaneously.

3. This can stabilize battery protection shield of centre gripping battery can adjust group battery size of a dimension as required through spacing inserted block and spacing slot to be adapted to different customization demands, reduce the processing cost.

Drawings

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

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

FIG. 3 is a schematic sectional view of the structure of the present invention;

fig. 4 is a schematic perspective view of the lithium battery protection plate of the present invention;

fig. 5 is a schematic perspective view of the protective shell of the present invention.

In the figure: 1. an electrically connecting sheet; 2. bolt holes; 3. a limiting block; 4. a limiting frame; 5. protecting the board protecting frame; 6. a lithium battery protection board; 7. a lithium battery; 8. limiting the inserting block; 9. limiting slots; 10. a protection plate fixing seat; 11. a protective shell; 12. a fixed seat; 13. a limiting plate; 15. and a limiting bulge.

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.

Referring to fig. 1-5, a battery protection plate capable of stably clamping a battery comprises a limiting frame 4, wherein a plurality of through holes matched with the end part of the lithium battery 7 in size are distributed in the middle of the limiting frame 4 in an array manner, limiting blocks 3 used for limiting the lithium battery 7 are fixed at the staggered positions of a longitudinal frame and a transverse frame of the limiting frame 4, a gap for a power supply connecting sheet 1 to pass through is formed between every two adjacent limiting blocks 3, two corresponding sides of the limiting frame 4 are respectively and fixedly connected with a limiting inserting block 8 and a limiting slot 9, and bolt holes 2 are formed in the limiting frame 4;

lithium cell 7's both ends all are equipped with spacing frame 4, and one side of spacing frame 4 is equipped with protection shield protection frame 5, and the equal fixedly connected with in one side both ends of protection shield protection frame 5 spacing inserted block 8 and spacing slot 9, one side fixedly connected with protection shield fixing base 10 that protection shield protection frame 5 is close to lithium cell 7, and one side fixedly connected with lithium cell protection shield 6 that lithium cell 7 was kept away from to protection shield fixing base 10.

The bolt hole 2 is arranged in a staggered mode with the lithium battery 7, the two limiting frames 4 are fixedly connected through countersunk bolts, the countersunk bolts are connected, the end faces of the two limiting frames 4 are flat, and therefore the protective shell 11 is convenient to mount.

The spacing inserted block 8 and the spacing slot 9 of protection shield protective frame 5 one side all have a plurality ofly, and a plurality of spacing inserted blocks 8 and the crisscross distribution of spacing slot 9 make its mounted position of protection shield protective frame 5 can be adjusted according to the user demand, and simple to operate can repeat the dismouting simultaneously.

The length of protection shield fixing base 10 is the same with two spacing frame 4's interval, makes protection shield fixing base 10 accessible two spacing frame 4 centre gripping fixed, avoids protection shield fixing base 10 to slide in vertical direction.

The through-hole border department that spacing frame 4 kept away from 3 one end of stopper has seted up the direction corner cut, through setting up the direction corner cut to lithium cell 7 inserts in the through-hole of spacing frame 4.

In some embodiments, the outer sides of the two limiting frames 4 are wrapped by a PVC heat-shrinkable tube, and the lithium battery pack is wrapped by the PVC heat-shrinkable tube, so that the dustproof and waterproof effects can be achieved.

In some embodiments, the protective shell 11 is further included, wherein the protective shell 11 is internally provided with limiting protrusions 15 fixedly connected to two sides, and limiting plates 13 fixedly connected to two sides, the fixing positions of the limiting protrusions 15 correspond to the positions of the electrical connection sheet 1, the width of each limiting protrusion 15 is matched with the distance between two adjacent limiting blocks 3, the fixing positions of the limiting plates 13 are staggered with the position of the limiting frame 4, the protective shell 11 is in a rectangular barrel shape, a fixing seat 12 is fixed at the barrel opening of the protective shell 11, the size of the protective plate protective frame 5 is matched with the size of the barrel opening, and the protective plate protective frame 5 is fixedly connected with the fixing seat 12 through screws.

Can carry on spacingly to the lithium cell group of putting into in the protective housing 11 through spacing arch 15 and limiting plate 13, avoid it to rock in protective housing 11, can play dustproof and waterproof's effect.

The working principle is as follows: when assembling lithium cell group, insert one of them limit frame 4's through-hole respectively with a plurality of lithium cells 7, peg graft in limit frame 4's one side through spacing inserted block 8 and spacing slot 9 with protection shield protection frame 5 simultaneously, then cup joint another at lithium cell 7's the other end, and it is fixed with two limit frame 4 to run through bolt hole 2 with the countersunk bolt, through two limit frame 4, can carry on spacingly to protection shield fixing base 10, avoid protection shield fixing base 10 to slide in vertical direction, then lay electric connection piece 1 in limit 3's clearance, and with electric connection piece 1 and lithium cell 7 electrode welding, when needs extend the group battery, spacing frame 4 of another group battery is pegged graft with the limit frame 4 of this group battery to spacing inserted block 8 of accessible and spacing slot 9.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 can stabilize battery protection shield of centre gripping battery, includes spacing frame (4), its characterized in that: a plurality of through holes matched with the size of the end part of the lithium battery (7) are distributed in the middle of the limiting frame (4) in an array mode, limiting blocks (3) used for limiting the lithium battery (7) are fixed at the staggered positions of a longitudinal frame and a transverse frame of the limiting frame (4), a gap through which a power supply connecting sheet (1) penetrates is arranged between every two adjacent limiting blocks (3), limiting inserting blocks (8) and limiting inserting grooves (9) are fixedly connected to two corresponding sides of the limiting frame (4) respectively, and bolt holes (2) are formed in the limiting frame (4);

the lithium battery protection device is characterized in that two ends of the lithium battery (7) are provided with limiting frames (4), one side of each limiting frame (4) is provided with a protection board protection frame (5), one side of each protection board protection frame (5) is provided with a limiting insertion block (8) and a limiting insertion slot (9) in the two ends, the protection board protection frame (5) is close to one side of the lithium battery (7) and is provided with a protection board fixing seat (10), and one side of the lithium battery (7) is kept away from the protection board fixing seat (10) and is provided with a lithium battery protection board (6).

2. The battery protection plate capable of stably holding a battery as claimed in claim 1, wherein: the bolt holes (2) are arranged in a staggered mode with the lithium batteries (7), and the two limiting frames (4) are fixedly connected through countersunk bolts.

3. The battery protection plate capable of stably holding a battery as claimed in claim 1, wherein: the limiting insertion blocks (8) and the limiting slots (9) on one side of the protective plate protective frame (5) are multiple in number, and the limiting insertion blocks (8) and the limiting slots (9) are distributed in a staggered mode.

4. The battery protection plate capable of stably holding a battery as claimed in claim 1, wherein: the length of the protection plate fixing seat (10) is the same as the distance between the two limiting frames (4).

5. The battery protection plate capable of stably holding a battery as claimed in claim 1, wherein: and a guide chamfer is arranged at the edge of the through hole at one end of the limiting frame (4) far away from the limiting block (3).

6. The battery protection plate capable of stably holding a battery as claimed in claim 1, wherein: the outer sides of the two limiting frames (4) are wrapped with PVC heat-shrinkable sleeves.

7. The battery protection plate capable of stably holding a battery as claimed in claim 1, wherein: still include protective housing (11), protective housing (11) is inside wherein the equal fixed connection limiting protrusion in both sides (15), the equal fixedly connected with limiting plate in both sides (13) in addition.

8. The battery protection plate capable of stably holding a battery as claimed in claim 7, wherein: the fixed position of spacing arch (15) is corresponding with the position of electricity connection piece (1), the width of spacing arch (15) and the interval looks adaptation of two adjacent stopper (3), the fixed position of limiting plate (13) and the position of spacing frame (4) dislocation mutually.

9. The battery protection plate capable of stably holding a battery as claimed in claim 7, wherein: the protective housing (11) is rectangular barrel-shaped, a fixing seat (12) is fixed at the opening of the protective housing (11), the size of the protective plate protective frame (5) is matched with the size of the opening, and the protective plate protective frame (5) is fixedly connected with the fixing seat (12) through screws.