CN218004961U

CN218004961U - Safety protection device for lithium ion battery

Info

Publication number: CN218004961U
Application number: CN202221537209.8U
Authority: CN
Inventors: 姚浩伟; 冯国胜; 王宏贞; 张宁
Original assignee: Henan Haitian Fire Science Research Institute Co ltd
Current assignee: Henan Haitian Fire Science Research Institute Co ltd
Priority date: 2022-06-20
Filing date: 2022-06-20
Publication date: 2022-12-09
Anticipated expiration: 2032-06-20

Abstract

The utility model discloses a lithium ion battery safety device, connecting plate bottom both ends difference fixedly connected with installation mechanism, connecting plate top fixedly connected with fixed establishment. Installation mechanism includes spout and fixing base, and the fixing base sets up in the connecting plate bottom, spout fixed connection in connecting plate bottom both ends, sliding connection has the draw runner in the spout, draw runner bottom fixedly connected with inclined plane fixture block, inclined plane fixture block one side fixedly connected with back shaft, back shaft one end fixedly connected with connecting block, the connecting block corresponds back shaft one side and corresponds the fixedly connected with spring between back shaft one side with the inclined plane fixture block, the draw-in groove has been seted up at fixing base top both ends. The utility model discloses in, through the installation mechanism that sets up to the convenience carries out the guard action through the installation to the protective cover to lithium battery pack, and further avoided the lithium battery pack in the car to receive rocking of vehicle easily and take place to rock and the possibility of distortion, thereby play the guard action to lithium battery pack.

Description

Safety protection device for lithium ion battery

Technical Field

The utility model relates to a lithium ion battery protects technical field, especially relates to a lithium ion battery safety device.

Background

With the development of scientific technology, lithium ion batteries have become mainstream batteries in real life, and in actual life, lithium batteries are widely applied, and have super-strong cruising ability compared with other batteries, so that the lithium batteries are most commonly applied to the lithium batteries, especially the lithium batteries are very common in the field of new energy automobiles.

In the actual use of the new energy automobile in the lithium battery, when the new energy automobile actually runs, due to different road conditions of the running road, the lithium power battery monomer and the lithium power battery pack in the automobile are prone to shaking caused by the shaking of the automobile, and are prone to relative displacement of the lithium battery without certain protection measures, so that the lithium battery safety protection device needs to be designed in order to further enhance the protection effect of the new energy automobile on the lithium battery during running.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem of safety protection of the lithium ion battery existing in the prior art and providing a safety protection device of the lithium ion battery.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a lithium ion battery safety device, includes the connecting plate, connecting plate bottom both ends difference fixedly connected with installation mechanism, connecting plate top fixedly connected with fixed establishment.

Installation mechanism includes spout and fixing base, the fixing base sets up in the connecting plate bottom, spout fixed connection is in connecting plate bottom both ends, sliding connection has the draw runner in the spout, draw runner bottom fixedly connected with inclined plane fixture block, inclined plane fixture block one side fixedly connected with back shaft, back shaft one end fixedly connected with connecting block, the connecting block corresponds back shaft one side and corresponds the fixedly connected with spring between the back shaft one side with the inclined plane fixture block, the draw-in groove has been seted up at fixing base top both ends, draw-in groove inner wall both sides fixedly connected with inclined plane card strip respectively.

Preferably, the spout has four, the connecting block has two, two the connecting block top respectively with connecting plate bottom both ends fixed connection, singly two spouts are distributed to the connecting block both sides, and the spout passes through the joint support of connecting plate and guarantees the sliding stability of draw runner.

Preferably, the side of the inclined plane clamping block corresponding to the surface of the inclined plane clamping strip is provided with a clamping opening, the side surface of the inclined plane clamping block and the side surface of the inclined plane clamping strip are both provided with inclined planes, the inclined plane clamping block moves on the inclined plane of the inclined plane clamping strip when moving downwards, and the inclined plane clamping strip is clamped with the clamping opening formed by the inclined plane clamping block.

Preferably, a sliding hole is formed in the inclined plane fixture block corresponding to the surface of the support shaft, the surface of the support shaft is located in the sliding hole formed in the inclined plane fixture block, and when the inclined plane fixture block moves downwards on the inclined plane of the inclined plane fixture block, the sliding hole of the inclined plane fixture block slides on the support shaft on the surface of the support shaft and supports the inclined plane fixture block.

Preferably, the fixing mechanism comprises a protective cover, the protective cover is fixedly connected to the top of the connecting plate, a lead screw is connected between two sides of the protective cover and the top in a rotating mode, a threaded cylinder is connected to the surface of the lead screw in a threaded mode, a movable plate is fixedly connected to one end of the threaded cylinder, a clamping block is fixedly connected to one side of the movable plate, the other side of the movable plate is close to telescopic assemblies fixedly connected to two ends of the surface of the threaded cylinder, a rotating button is fixedly connected to the other end of the lead screw, and a lithium battery assembly is fixedly connected to the middle of the top of the connecting plate.

Preferably, through holes are formed in the protective cover corresponding to the surface of the screw rod, the surface of the screw rod penetrates through the through holes formed in the protective cover, and the screw rod is supported and rotated in the protective cover.

Preferably, the lithium battery pack is located inside the connecting plate, the other end of the telescopic assembly is fixedly connected with the inner wall of the protective cover, and the movable plate drives the clamping block to move through the limiting effect of the telescopic assembly and clamp and fix the lithium battery pack.

Compared with the prior art, the utility model has the advantages that;

1. the utility model discloses in, installation mechanism through the setting, the connecting plate that safety cover and below are connected removes to fixing base department, the inclined plane card strip inclined plane side of both sides is laminated in the inclined plane side of inclined plane fixture block and the draw-in groove, when the inclined plane fixture block downward slip is in same horizontal plane to the bayonet socket that the inclined plane fixture block was seted up and inclined plane card strip surface, the inclined plane fixture block drives the inclined plane fixture block under the effect of spring and removes and let inclined plane card strip surface go deep into the bayonet socket in the inclined plane fixture block to accomplish the installation to the protection casing, thereby conveniently carry out the guard action to lithium battery pack through the installation to the protection casing, and further avoided the lithium battery pack in the car to receive rocking of vehicle easily and take place to rock and the possibility of distortion, thereby play the guard action to lithium battery pack.

2. The utility model discloses in, through the fixed establishment who sets up, rotate three turn-button on the safety cover respectively and drive the lead screw and rotate and drive a screw thread section of thick bamboo and remove, and the movable plate of screw thread section of thick bamboo one end and connection lets a screw thread section of thick bamboo carry out stable removal through the flexible limiting displacement of flexible subassembly to it presss from both sides tightly to drive the clamp splice to lithium battery pack, thereby further fixes lithium battery pack to one has guaranteed the stability ability of lithium battery pack in the in-service use process.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, 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 that other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is a front sectional view of the overall structure of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

fig. 4 is an enlarged schematic view of B in fig. 2.

Illustration of the drawings:

1. a connecting plate; 2. an installation mechanism; 21. a chute; 22. a slide bar; 23. an inclined plane fixture block; 24. a support shaft; 25. connecting blocks; 26. a spring; 27. an inclined plane clamping strip; 28. a fixed seat; 29. a card slot; 3. a fixing mechanism; 31. a protective cover; 32. a screw rod; 33. a threaded barrel; 34. moving the plate; 35. a clamping block; 36. a telescopic assembly; 37. a knob; 38. a lithium battery pack.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

The utility model provides a following technical scheme:

example one

With reference to fig. 2 to 4, a safety protection device for a lithium ion battery comprises a connecting plate 1, wherein two ends of the bottom of the connecting plate 1 are respectively and fixedly connected with an installation mechanism 2, and the top of the connecting plate 1 is fixedly connected with a fixing mechanism 3;

installation mechanism 2 includes spout 21 and fixing base 28, fixing base 28 sets up in 1 bottom of connecting plate, spout 21 fixed connection is in 1 bottom both ends of connecting plate, sliding connection has draw runner 22 in spout 21, draw runner 22 bottom fixed connection has inclined plane fixture block 23, inclined plane fixture block 23 one side fixedly connected with back shaft 24, back shaft 24 one end fixedly connected with connecting block 25, connecting block 25 corresponds fixedly connected with spring 26 between 24 one side of back shaft that back shaft 24 one side and inclined plane fixture block 23 correspond, draw-in groove 29 has been seted up at fixing base 28 top both ends, draw-in groove 29 inner wall both sides are fixedly connected with inclined plane fixture block 27 respectively, spout 21 has four, connecting block 25 has two, two connecting block 25 tops respectively with 1 bottom both ends fixed connection of connecting plate, two spout 21 of single connecting block 25 both sides distribution, inclined plane fixture block 23 corresponds inclined plane fixture block 27 surface one side and has seted up the bayonet socket, inclined plane fixture block 23 side and inclined plane fixture block 27 side have all seted up to be the inclined plane.

Furthermore, a sliding hole is formed in the inclined plane fixture block 23 corresponding to the surface of the support shaft 24, the surface of the support shaft 24 is located in the sliding hole formed in the inclined plane fixture block 23, the protection cover 31 and the connecting plate 1 connected below move towards the fixing seat 28, the inclined side surface of the inclined plane fixture block 23 is attached to the inclined side surfaces of the inclined plane fixture strips 27 on the two sides in the clamping groove 29, when the inclined plane fixture block 23 slides downwards until the bayonet formed in the inclined plane fixture block 23 and the inclined plane fixture strips 27 are located at the same horizontal plane, the inclined plane fixture block 23 drives the inclined plane fixture block 23 to move towards the inclined plane fixture strips 27 under the action of the spring 26, and the surfaces of the inclined plane fixture strips 27 are deep into the bayonet formed in the inclined plane fixture block 23, so that the protection cover 31 is installed, the lithium battery pack 38 is protected by the installation of the protection cover 31, and the possibility that the lithium battery pack 38 in the vehicle is easily shaken and distorted is further avoided, so that the lithium battery pack 38 is protected.

Example two

Referring to fig. 1-4, and on the basis of the first embodiment, the further obtained fixing mechanism 3 includes a protecting cover 31, the protecting cover 31 is fixedly connected to the top of the connecting plate 1, a screw rod 32 is rotatably connected between two sides and the top of the protecting cover 31, a threaded cylinder 33 is in threaded connection with the surface of the screw rod 32, a movable plate 34 is fixedly connected to one end of the threaded cylinder 33, a clamping block 35 is fixedly connected to one side of the movable plate 34, a telescopic assembly 36 is fixedly connected to the other side of the movable plate 34, which is close to two ends of the surface of the threaded cylinder 33, a rotating button 37 is fixedly connected to the other end of the screw rod 32, a lithium battery assembly 38 is fixedly connected to the middle of the top of the connecting plate 1, a through hole is formed in the protecting cover 31 corresponding to the surface of the screw rod 32, and the surface of the screw rod 32 penetrates through the through hole formed in the protecting cover 31.

Further, lithium battery pack 38 is located inside connecting plate 1, the other end of telescopic assembly 36 is fixedly connected with the inner wall of protective cover 31, three knobs 37 on protective cover 31 are respectively rotated to drive screw rod 32 to rotate and drive threaded cylinder 33 to move, and threaded cylinder 33 is stably moved by the telescopic limiting action of telescopic assembly 36 on one end of threaded cylinder 33 and movable plate 34 connected with threaded cylinder 33, and drive clamping block 35 to clamp lithium battery pack 38, thereby further fixing lithium battery pack 38, and further ensuring the stability of lithium battery pack 38 in the actual use process.

In an actual operation process, when the device is used, a slide hole, which is not shown in the drawing, is formed in one end, corresponding to the surface of the support shaft 24, inside one side of the inclined plane fixture block 23, so that the support shaft 24 can slide inside the inclined plane fixture block 23, when the protection cover 31 needs to be installed, the protection cover 31 and the connecting plate 1 connected below move towards the fixed seat 28, the inclined plane fixture block 23 is made to penetrate into the clamping groove 29 correspondingly formed in the two sides of the fixed seat 28, at this time, the inclined side surface of the inclined plane fixture block 23 is attached to the inclined plane fixture block 27 on the two sides inside the clamping groove 29, and the inclined plane fixture block 23 continues to generate an acting force on the inclined plane fixture block 27 in a downward process under the action of the spring 26, the support shaft 24 slides inside the inclined plane fixture block 23, when the inclined plane fixture block 23 slides downward until the clamping groove formed in the inclined plane fixture block 23 and the surface of the inclined plane fixture block 27 are at the same horizontal plane, the inclined plane fixture block 23 drives the inclined plane fixture block 23 to move towards the inclined plane fixture block 27 under the action of the inclined plane under the spring 26, so that the inclined plane fixture block 23 and the protection cover 31 can further prevent the lithium battery pack from being shaken and further prevent the lithium battery pack 38 from being shaken when the lithium battery pack is installed, thereby preventing the lithium battery pack 38 from being shaken.

Meanwhile, when the lithium battery assembly 38 needs to be further fixed, the three rotating buttons 37 on the protective cover 31 are respectively rotated to drive the screw rod 32 to rotate and drive the threaded cylinder 33 to move, and one end of the threaded cylinder 33 and the connected moving plate 34 enable the threaded cylinder 33 to stably move through the telescopic limiting effect of the telescopic assembly 36, and drive the clamping block 35 to clamp the lithium battery assembly 38. Thereby further fixing the lithium battery pack 38 and further ensuring the stability of the lithium battery pack 38 in the actual use process.

Claims

1. The utility model provides a lithium ion battery safety device, includes connecting plate (1), its characterized in that: two ends of the bottom of the connecting plate (1) are respectively and fixedly connected with an installation mechanism (2), and the top of the connecting plate (1) is fixedly connected with a fixing mechanism (3);

installation mechanism (2) include spout (21) and fixing base (28), fixing base (28) set up in connecting plate (1) bottom, spout (21) fixed connection is in connecting plate (1) bottom both ends, sliding connection has draw runner (22) in spout (21), draw runner (22) bottom fixedly connected with inclined plane fixture block (23), inclined plane fixture block (23) one side fixedly connected with back shaft (24), back shaft (24) one end fixedly connected with connecting block (25), connecting block (25) correspond back shaft (24) one side and inclined plane fixture block (23) correspond fixedly connected with spring (26) between back shaft (24) one side, draw-in groove (29) have been seted up at fixing base (28) top both ends, draw-in groove (29) inner wall both sides difference fixed connection has inclined plane fixture block (27).

2. The lithium ion battery safety protection device of claim 1, wherein: spout (21) have four, connecting block (25) have two, two connecting block (25) top respectively with connecting plate (1) bottom both ends fixed connection, singly two spout (21) are distributed to connecting block (25) both sides.

3. The lithium ion battery safety protection device of claim 1, wherein: the side surface of the inclined plane clamping block (23) corresponding to the inclined plane clamping strip (27) is provided with a bayonet, and the side surface of the inclined plane clamping block (23) and the side surface of the inclined plane clamping strip (27) are both provided with inclined planes.

4. The lithium ion battery safety protection device of claim 1, wherein: the surface of the support shaft (24) corresponding to the inside of the inclined plane fixture block (23) is provided with a sliding hole, and the surface of the support shaft (24) is positioned in the sliding hole arranged in the inclined plane fixture block (23).

5. The lithium ion battery safety protection device of claim 1, wherein: fixed establishment (3) are including protection cover (31), protection cover (31) fixed connection is at connecting plate (1) top, all rotate between protection cover (31) both sides and the top and be connected with lead screw (32), lead screw (32) surface thread connection has screw thread section of thick bamboo (33), screw thread section of thick bamboo (33) one end fixedly connected with movable plate (34), movable plate (34) one side fixedly connected with clamp splice (35), movable plate (34) opposite side is close to screw thread section of thick bamboo (33) surface both ends fixedly connected with flexible subassembly (36), lead screw (32) other end fixedly connected with turn button (37), fixedly connected with lithium battery pack (38) in the middle of connecting plate (1) top.

6. The lithium ion battery safety protection device of claim 5, wherein: the through-hole has all been seted up on the inside lead screw (32) surface that corresponds of safety cover (31), lead screw (32) surface runs through in the inside through-hole of seting up of safety cover (31).

7. The lithium ion battery safety protection device of claim 5, wherein: the lithium battery component (38) is located inside the connecting plate (1), and the other end of the telescopic component (36) is fixedly connected with the inner wall of the protective cover (31).