CN213752892U

CN213752892U - High strength lithium cell protection shield

Info

Publication number: CN213752892U
Application number: CN202022984408.0U
Authority: CN
Inventors: 李佳聪; 罗军; 罗斌
Original assignee: Shenzhen Hongshengtai Technology Co ltd
Current assignee: Shenzhen Hongshengtai Technology Co ltd
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2021-07-20
Anticipated expiration: 2030-12-11

Abstract

The utility model discloses a high strength lithium battery protection shield, including lithium cell body, upper shield, fixed dop, shell body and lower protection shield, the lithium cell body upper end is connected with the upper shield, and the lithium cell body lower extreme is connected with lower protection shield, upper shield and lower protection shield all are provided with the strengthening rib all around, and the protection shield both sides are provided with the constant head tank down, the upper shield both sides are provided with fixed dop, and run through in the middle of the fixed dop and install expanding spring. This high strength lithium battery protection board is provided with telescopic link, damping spring and strengthening rib, through the effectual intensity that improves protection board self of protection board strengthening rib all around, simultaneously through the cooperation between telescopic link and the damping spring for when the protection board uses in the vibrations environment, the vibrations power has been reduced through damping spring, thereby plays the guard action to protection board itself, has improved the life of protection board, has increased the device's practicality.

Description

High strength lithium cell protection shield

Technical Field

The utility model relates to a lithium battery protection shield technical field specifically is a high strength lithium battery protection shield.

Background

The lithium battery protection board is used for charging and discharging protection of the series 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; the excessive pressure of each battery cell in the group battery of while detection, under-voltage, overflow, short circuit, excess temperature state, protection and extension battery life, however, traditional lithium cell protection shield is in the use, generally all is fixed connection with adapting unit, when using in adverse circumstances, because reasons such as vibrations can cause the damage of lithium cell protection shield to influence the use of lithium cell.

Therefore, a high-strength lithium battery protection board is provided, so as to solve the problem that the conventional lithium battery protection board is generally fixedly connected with a connecting part in the using process, and when the lithium battery protection board is used in a severe environment, the lithium battery protection board is damaged due to vibration and the like, so that the use of a lithium battery is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high strength lithium battery protection shield 12-1 to solve the lithium battery protection shield on the existing market that the above-mentioned background art provided in the use, can cause the damage of lithium battery protection shield because of reasons such as vibrations, thereby influence the problem of the use of lithium cell.

In order to achieve the above object, the utility model provides a following technical scheme: a high-strength lithium battery protection plate comprises a lithium battery body, an upper protection plate, a fixing chuck, an outer shell and a lower protection plate, wherein the upper end of the lithium battery body is connected with the upper protection plate, the lower end of the lithium battery body is connected with the lower protection plate, reinforcing ribs are arranged on the peripheries of the upper protection plate and the lower protection plate, positioning grooves are formed in two sides of the lower protection plate, fixing chucks are arranged on two sides of the upper protection plate, a telescopic spring is arranged in the middle of each fixing chuck in a penetrating mode, the upper protection plate is arranged on the outer shell through the fixing chucks, a screw rod is arranged at the upper end of the outer shell, a knob is arranged on the outer side of the screw rod, a moving seat is arranged in the middle of the screw rod in a penetrating mode, a sliding rod is arranged at the lower end of the moving seat in a penetrating mode, a limiting plate is arranged on the right side of the sliding rod, a reset spring is arranged at the left end of the sliding rod in a penetrating mode, a positioning block is arranged at the left side of the outer shell, and the air exit has been seted up on the shell body right side, the shell body lower extreme is provided with the telescopic link, and the middle through connection of telescopic link has damping spring, the telescopic link upper end is provided with the backup pad, and is provided with the locating lever in the middle of the backup pad.

Preferably, the central line of the upper protection plate and the central line of the lower protection plate are overlapped, and the surface plane of the upper protection plate and the surface plane of the lower protection plate are parallel to each other.

Preferably, the center line of the fixed chuck is perpendicular to the surface plane of the upper protection plate, and the fixed chuck is symmetrical to the left and right of the center line of the upper protection plate.

Preferably, the movable seat is of an L-shaped structure, and the movable seat and the outer shell form a movable structure through a screw rod.

Preferably, the central line of the sliding rod is perpendicular to the central line of the fixed chuck, and the sliding rod and the movable seat form a telescopic structure.

Preferably, the central line of telescopic link and the basal plane mutually perpendicular of shell body, and the telescopic link evenly sets up in the bottom of shell body to the telescopic link passes through the cooperation between locating lever and the constant head tank and constitutes the block structure with lower protection shield.

Compared with the prior art, the beneficial effects of the utility model are that: the high-strength lithium battery protection board;

1. the telescopic rod, the damping spring and the reinforcing ribs are arranged, in the actual use process, the strength of the protection plate is effectively improved through the reinforcing ribs on the periphery of the protection plate, and meanwhile, the vibration force is reduced through the damping spring when the protection plate is used in a vibration environment through the cooperation between the telescopic rod and the damping spring, so that the protection plate is protected, the service life of the protection plate is prolonged, and the practicability of the device is improved;

2. be provided with fixed dop and locating piece, in the in-service use process, through the cooperation between fixed dop and the locating piece, can realize going up and carry out quick fixed mounting between protection shield and the shell body, when needs are dismantled, only need rotatory knob for the screw rod drives and removes the outside removal of seat, thereby throw off each other between feasible locating piece and the fixed dop, very big make things convenient for the dismouting of protection ampere of board, increased the device's functionality.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1 at B according to the present invention;

fig. 4 is a schematic view of the connection structure of the movable seat and the sliding rod of the present invention.

In the figure: 1. a lithium battery body; 2. an upper protection plate; 3. reinforcing ribs; 4. a tension spring; 5. fixing the chuck; 6. an outer housing; 7. a knob; 8. a screw; 9. a movable seat; 10. a slide bar; 11. a limiting plate; 12. positioning blocks; 13. a return spring; 14. a fan; 15. an air outlet; 16. a telescopic rod; 17. a damping spring; 18. a support plate; 19. positioning a rod; 20. a lower protection plate; 21. and (6) positioning a groove.

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. 1-4, the present invention provides a technical solution: a high-strength lithium battery protection plate comprises a lithium battery body 1, an upper protection plate 2, reinforcing ribs 3, a telescopic spring 4, a fixing clamp 5, an outer shell 6, a knob 7, a screw rod 8, a moving seat 9, a sliding rod 10, a limiting plate 11, a positioning block 12, a reset spring 13, a fan 14, an air outlet 15, a telescopic rod 16, a damping spring 17, a supporting plate 18, a positioning rod 19, a lower protection plate 20 and positioning grooves 21, wherein the upper end of the lithium battery body 1 is connected with the upper protection plate 2, the lower end of the lithium battery body 1 is connected with the lower protection plate 20, the reinforcing ribs 3 are arranged around the upper protection plate 2 and the lower protection plate 20, the positioning grooves 21 are arranged on two sides of the lower protection plate 20, the fixing clamp 5 is arranged on two sides of the upper protection plate 2, the telescopic spring 4 is installed in the middle of the fixing, knob 7 is installed in the 8 outsides of screw rod, and through connection has removal seat 9 in the middle of the screw rod 8, it has slide bar 10 to remove the lower extreme through connection of seat 9, and slide bar 10 right side is provided with limiting plate 11, slide bar 10 left end through connection has reset spring 13, and the slide bar 10 left end is provided with locating piece 12, fan 14 is installed in 6 left sides of shell body, and the shell body 6 right side has seted up

air exit

15, 6 lower extremes of shell body are provided with telescopic link 16, and through connection has damping spring 17 in the middle of the

telescopic link

16, 16 upper ends of telescopic links are provided with backup pad 18, and be provided with locating lever 19 in the middle of backup pad 18.

The central line of going up protection shield 2 and the mutual coincidence of the central line of protection shield 20 down, and the surface plane of going up protection shield 2 and the surface plane of protection shield 20 down are parallel to each other, and above-mentioned structural design is favorable to improving the guard action to the lithium cell in the in-service use.

The central line of fixed dop 5 and the surface plane mutually perpendicular of last protection shield 2, and fixed dop 5 is for the central line bilateral symmetry of last protection shield 2, above-mentioned structural design, in the in-service use, is favorable to carrying out fixed connection with last protection shield 2 and shell body 6 through fixed dop 5.

The movable seat 9 is of an L-shaped structure, the movable seat 9 and the outer shell 6 form a movable structure through the screw 8, and the structural design is beneficial to the movable seat 9 to drive the sliding rod 10 to move in the actual use process.

The central line of slide bar 10 and the central line mutually perpendicular of fixed dop 5, and slide bar 10 constitutes extending structure with removal seat 9, and above-mentioned structural design is favorable to in the in-service use in-process, through the cooperation between slide bar 10 and the fixed dop 5, is connected upper protection board 2 and shell body 6 fast.

The central line of telescopic link 16 and the baseplane mutually perpendicular of shell body 6, and telescopic link 16 evenly sets up in the bottom of shell body 6 to telescopic link 16 passes through the cooperation between locating lever 19 and the constant head tank 21 and constitutes the block structure with protection shield 20 down, and above-mentioned structural design is favorable to down on protection shield 20 fast block and the backup pad 18 in the in-service use process.

The working principle is as follows: when the high-strength lithium battery protection plate is used, as shown in fig. 1 and 2, firstly, the strength of an upper protection plate 2 and a lower protection plate 20 is improved through a reinforcing rib 3, then the high-strength lithium battery protection plate is placed at the bottom of an outer shell 6, so that the lower protection plate 20 is fixed on a supporting plate 18 through the matching between a positioning groove 21 and a positioning rod 19, meanwhile, the upper protection plate 2 is mutually clamped with a positioning block 12 through a fixing clamping head 5, thereby realizing the quick installation of the protection plate and the outer shell 6, in the using process, a fan 14 is opened, the heat generated by a lithium battery is discharged through an air outlet 15 through the fan 14, thereby reducing the temperature inside the outer shell 6, avoiding the situation that the strength of the upper protection plate 2 and the lower protection plate 20 is reduced due to overhigh temperature, as shown in fig. 2 and 3, in the using process, when large impact force such as vibration is encountered, through the matching between a damping spring 17 and a telescopic spring 4, the impact of the shock impact force on the upper protection plate 2 and the lower protection plate 20 is reduced, so that the service life of the upper protection plate 2 and the lower protection plate 20 is prolonged, as shown in fig. 2 and 4, when the upper protection plate 2 needs to be disassembled, only the screw 8 needs to be rotated through the knob 7, so that the moving seat 9 moves outwards, and the fixed chuck 5 and the positioning block 12 are separated, so that the upper protection plate 2 can be taken out, and a series of work can be completed, and the content not described in detail in the specification belongs to the prior art known by a person skilled in the art.

It is to be understood that the terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the purpose of convenience and simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operated in a particular orientation, and are not to be construed as limiting the scope of the present invention.

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 or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a high strength lithium battery protection board, includes lithium cell body (1), go up protection shield (2), strengthening rib (3), expanding spring (4), fixed dop (5), shell body (6), knob (7), screw rod (8), remove seat (9), slide bar (10), limiting plate (11), locating piece (12), reset spring (13), fan (14), air exit (15), telescopic link (16), damping spring (17), backup pad (18), locating lever (19), lower protection shield (20) and constant head tank (21), its characterized in that: the lithium battery comprises a lithium battery body (1), wherein an upper protection plate (2) is connected to the upper end of the lithium battery body (1), a lower protection plate (20) is connected to the lower end of the lithium battery body (1), reinforcing ribs (3) are arranged on the peripheries of the upper protection plate (2) and the lower protection plate (20), positioning grooves (21) are formed in two sides of the lower protection plate (20), fixed clamping heads (5) are arranged on two sides of the upper protection plate (2), a telescopic spring (4) is installed in the middle of each fixed clamping head (5) in a penetrating mode, the upper protection plate (2) is installed on an outer shell (6) through the fixed clamping heads (5), a screw rod (8) is installed at the upper end of the outer shell (6), a knob (7) is installed on the outer side of the screw rod (8), a movable seat (9) is connected in the middle of the screw rod (8) in a penetrating mode, a sliding rod (10) is connected to the lower end of the movable seat (9) in a penetrating mode, and a limiting plate (11) is arranged on the right side of the sliding rod (10), slide bar (10) left end through connection has reset spring (13), and slide bar (10) left end is provided with locating piece (12), fan (14) are installed in shell body (6) left side, and shell body (6) right side has seted up air exit (15), shell body (6) lower extreme is provided with telescopic link (16), and the middle through connection of telescopic link (16) has damping spring (17), telescopic link (16) upper end is provided with backup pad (18), and is provided with locating lever (19) in the middle of backup pad (18).

2. The high-strength lithium battery protection sheet as claimed in claim 1, wherein: the central line of the upper protection plate (2) is superposed with the central line of the lower protection plate (20), and the surface plane of the upper protection plate (2) is parallel to the surface plane of the lower protection plate (20).

3. The high-strength lithium battery protection sheet as claimed in claim 1, wherein: the center line of the fixed clamping head (5) is perpendicular to the surface plane of the upper protection plate (2), and the fixed clamping head (5) is symmetrical left and right relative to the center line of the upper protection plate (2).

4. The high-strength lithium battery protection sheet as claimed in claim 1, wherein: the movable seat (9) is of an L-shaped structure, and the movable seat (9) and the outer shell (6) form a movable structure through the screw (8).

5. The high-strength lithium battery protection sheet as claimed in claim 1, wherein: the central line of the sliding rod (10) is perpendicular to the central line of the fixed chuck (5), and the sliding rod (10) and the movable seat (9) form a telescopic structure.

6. The high-strength lithium battery protection sheet as claimed in claim 1, wherein: the central line of telescopic link (16) and the basal plane mutually perpendicular of shell body (6), and telescopic link (16) evenly set up the bottom at shell body (6) to telescopic link (16) pass through the cooperation between locating lever (19) and constant head tank (21) and constitute the block structure with lower protection shield (20).