CN220984684U

CN220984684U - 18650 Lithium battery's safety protection structure

Info

Publication number: CN220984684U
Application number: CN202322820515.3U
Authority: CN
Inventors: 卢克荣; 王成强; 李家合; 韦道春; 谢磊磊
Original assignee: Nanping Tongxin New Energy Technology Co ltd
Current assignee: Nanping Tongxin New Energy Technology Co ltd
Priority date: 2023-10-20
Filing date: 2023-10-20
Publication date: 2024-05-17
Anticipated expiration: 2033-10-20

Abstract

The utility model relates to the technical field of lithium batteries and discloses a safety protection structure of a 18650 lithium battery, which comprises a bottom plate, wherein a protection mechanism is arranged at the top of the bottom plate, a taking and mounting mechanism is arranged at the top of the protection mechanism, the protection mechanism comprises a balance component and a protection component, and the balance component is arranged at the bottom of the protection component. When jolting, the balance plate shakes at the top of the ball, so that the ball pushes the trapezoid block to move, the balance plate is restored to the position, the force is weakened through the spring outside the balance plate, the battery support is arranged, the lithium battery pack is protected, the lithium battery pack is always kept at the same position, the lithium battery pack is protected, the service life of a battery is prolonged, the protection mechanism is matched with the installation mechanism to be used by taking the installation mechanism, the protection mechanism is fixed to a place needing to be used through the bolt, the fixing device is facilitated, and the battery is protected.

Description

18650 Lithium battery's safety protection structure

Technical Field

The utility model relates to the technical field of lithium batteries, in particular to a safety protection structure of a 18650 lithium battery.

Background

The lithium ion battery has the advantages of light weight, large capacity, no memory effect and the like, so that the 18650 lithium battery is widely applied, is a type of lithium ion battery, and needs to be safely protected when in use, so as to avoid damage caused by jolt, and therefore, a safety protection structure of the 18650 lithium battery is needed.

The utility model discloses a lithium battery protection structure (CN 218300068U) according to the description in a patent network, and relates to the technical field of lithium batteries, in particular to a lithium battery protection structure. This lithium battery protection architecture uses through the cooperation of underframe, apron, front end plate, back end plate, utilizes underframe, apron, front end plate, back end plate to constitute the battery fixed frame of a plastics material, can fix combination formula lithium battery, protects combination formula lithium battery, avoids combination formula lithium battery to produce looseness when using and causes between the lithium battery of constituteing combination formula lithium battery loose, has guaranteed lithium battery's stability in use.

With respect to the above description, the applicant believes that the following problems exist: when the combined lithium battery is used, the upper insulating support rubber ring and the lower insulating support rubber ring are used for supporting the combined lithium battery, and as the rubber has a certain damping effect, the vibration force of the combined lithium battery when electrical equipment is collided can be effectively reduced, so that the combined lithium battery can be protected to a certain extent, the service life of the combined lithium battery is prolonged, and the combined lithium battery is loose due to the fact that jolt can occur when the combined lithium battery is used.

Disclosure of utility model

The present utility model is directed to a safety protection structure of 18650 lithium battery, so as to solve the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the safety protection structure of the lithium battery comprises a bottom plate, wherein a protection mechanism is arranged at the top of the bottom plate, and a taking and mounting mechanism is arranged at the top of the protection mechanism;

The protection mechanism comprises a balance component and a protection component, and the balance component is arranged at the bottom of the protection component.

Preferably, the balance component comprises a shell, shell fixed connection is outside the bottom plate, the top fixedly connected with separation piece of bottom plate, the inboard of separation piece is provided with the trapezium piece, separation piece and the top intermediate position department swing joint of trapezium piece have the ball, the top swing joint of ball has the balance plate, the outside fixedly connected with spring of balance plate owing to set up the spring is favorable to weakening external force to protect the battery.

Preferably, the separation blocks are provided with two groups, and the trapezoid blocks are connected inside the two groups of the separation blocks in a sliding mode, and the trapezoid blocks are arranged, so that the protection assembly is kept stable.

Preferably, the protection component comprises a PC insulating sheet, the top at the balance plate is fixedly connected with to the PC insulating sheet, the inboard fixedly connected with nickel piece of PC insulating sheet, the inboard fixedly connected with battery support of nickel piece, the inboard sliding connection of battery support has the plastic pillar, the one end fixedly connected with lithium cell group that the plastic pillar was kept away from to the inside of battery support owing to set up the PC insulating sheet is favorable to protecting the battery.

Preferably, the PC insulating sheet, the nickel sheet and the battery support are provided with two groups, through holes are formed in the positions, corresponding to the plastic support, of the battery support, the battery support is slidably connected to the outer portion of the plastic support, and the battery support is arranged, so that the lithium battery pack can be placed conveniently.

Preferably, the taking and mounting mechanism comprises a cover plate, wherein the cover plate is movably connected to the top of the shell, a clamping block is fixedly connected to the top of the shell, a connecting seat is fixedly connected to the top of the cover plate, a handle is rotatably connected to the inside of the connecting seat, and a ventilation dustproof net is connected to the inside of the cover plate; the top of apron is kept away from the one end fixedly connected with spliced pole of connecting seat, the outside fixedly connected with installation piece of shell, the inside sliding connection of installation piece has the bolt, the outside threaded connection of bolt has the nut, owing to set up ventilation dust screen, is favorable to ventilating dustproof to the inside battery of shell.

Preferably, through holes are formed in the corresponding positions of the nuts and the bolts, and the bolts penetrate through the mounting blocks to be connected with the nuts in a threaded mode.

Compared with the prior art, the utility model provides a safety protection structure of a lithium battery, which has the following beneficial effects:

1. This safety protection structure of lithium cell has set up balance subassembly and protection subassembly in the protection machanism, and balance subassembly sets up in the bottom of protection subassembly, and when jolting, the balance board rocks at the ball top, makes the ball promote trapezoidal piece and removes, makes the balance board resume the position, weakens the power through the outside spring of balance board, through having set up the battery support, makes the protection to lithium cell group, makes lithium cell group remain on same position throughout, is favorable to protecting lithium cell group, is favorable to prolonging battery's life.

2. This safety protection structure of lithium cell uses through taking installation mechanism cooperation protection machanism, through making the bolt fix protection machanism in the place that needs to use, is favorable to fixing device to be favorable to protecting the battery.

Drawings

For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it will be apparent that the drawings in the description below are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art:

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of the protection mechanism of the present utility model;

FIG. 3 is a schematic diagram of the balance assembly of the protection mechanism of the present utility model;

FIG. 4 is a schematic diagram of a protection mechanism protection component structure according to the present utility model;

Fig. 5 is a schematic view of a pick-and-place mechanism according to the present utility model.

In the figure: 1. a bottom plate; 2. a protection mechanism; 21. a balancing assembly; 211. a barrier block; 212. a trapezoid block; 213. a ball; 214. a balance plate; 215. a spring; 216. a housing; 22. a protection component; 221. a PC insulating sheet; 222. nickel flakes; 223. a battery holder; 224. a plastic pillar; 225. a lithium battery pack; 3. taking the mounting mechanism; 31. a cover plate; 32. a connecting seat; 33. a clamping block; 34. a connecting column; 35. a handle; 36. a ventilation dust screen; 37. a mounting block; 38. a bolt; 39. and (3) a nut.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Embodiment one:

Referring to fig. 1-5, the present utility model provides a technical solution: the safety protection structure of the 18650 lithium battery comprises a bottom plate 1, wherein a protection mechanism 2 is arranged at the top of the bottom plate 1, and a taking and mounting mechanism 3 is arranged at the top of the protection mechanism 2;

The protection mechanism 2 comprises a balance component 21 and a protection component 22, wherein the balance component 21 is arranged at the bottom of the protection component 22.

Further, the balance assembly 21 comprises a shell 216, the shell 216 is fixedly connected to the outside of the bottom plate 1, the top of the bottom plate 1 is fixedly connected with a blocking block 211, a trapezoid block 212 is arranged on the inner side of the blocking block 211, a ball 213 is movably connected to the middle position of the top of the blocking block 211 and the trapezoid block 212, a balance plate 214 is movably connected to the top of the ball 213, a spring 215 is fixedly connected to the outside of the balance plate 214, and the spring 215 is arranged to weaken external force, so that the battery is protected.

Further, the two sets of the blocking blocks 211 are provided, and the trapezoid blocks 212 are slidably connected inside the two sets of the blocking blocks 211, so that the protection component 22 is kept stable due to the trapezoid blocks 212.

Further, the protection component 22 includes a PC insulating sheet 221, the PC insulating sheet 221 is fixedly connected to the top of the balancing plate 214, a nickel sheet 222 is fixedly connected to the inner side of the PC insulating sheet 221, a battery support 223 is fixedly connected to the inner side of the nickel sheet 222, a plastic support 224 is slidably connected to the inner side of the battery support 223, and a lithium battery pack 225 is fixedly connected to one end of the inner side of the battery support 223, far away from the plastic support 224, due to the PC insulating sheet 221, the protection of the battery is facilitated.

Further, the PC insulating sheet 221, the nickel sheet 222 and the battery support 223 are provided with two groups, and the corresponding positions of the battery support 223 and the plastic support 224 are provided with through holes, and the battery support 223 is slidably connected to the outside of the plastic support 224, so that the battery support 223 is arranged to be favorable for placing the lithium battery group 225.

Embodiment two:

Referring to fig. 5, in combination with the first embodiment, further obtaining, the taking and mounting mechanism 3 includes a cover plate 31, the cover plate 31 is movably connected to the top of the housing 216, a clamping block 33 is fixedly connected to the top of the housing 216, a connecting seat 32 is fixedly connected to the top of the cover plate 31, a handle 35 is rotatably connected to the inside of the connecting seat 32, and a ventilation dust-proof net 36 is connected to the inside of the cover plate 31; the top of apron 31 is kept away from the one end fixedly connected with spliced pole 34 of connecting seat 32, and the outside fixedly connected with installation piece 37 of shell 216, the inside sliding connection of installation piece 37 has bolt 38, and the outside threaded connection of bolt 38 has nut 39, owing to set up ventilation dust screen 36, is favorable to ventilating dustproof to the inside battery of shell 216.

Further, through holes are formed in the positions corresponding to the nuts 39 and the bolts 38, the bolts 38 penetrate through the mounting blocks 37 to be connected with the nuts 39 in a threaded mode, and the nuts 39 and the bolts 38 are arranged to facilitate fixing of the device.

In the actual operation process, when the device is used, the device is firstly lifted to a place where the device needs to be used by the handle 35, the inside of the nut 39 is screwed by the bolt 38, so that the mounting block 37 outside the shell 216 is fixed at the place where the device needs to be used, when jolt occurs, the balance plate 214 drives the trapezoid block 212 at the bottom of the ball 213 to shake, so that the protection component 22 at the top of the balance plate 214 keeps balance, and the force of the spring 215 is weakened by the spring 215 due to the arrangement of the spring 215 outside the balance plate 214, so that the lithium battery pack 225 inside the battery bracket 223 is protected, and the protection of the lithium battery pack 225 is facilitated due to the arrangement of the PC insulating sheet 221 and the nickel sheet 222, so that the service life of the lithium battery pack 225 is prolonged.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.

Claims

1. The utility model provides a 18650 lithium cell's safety protection structure, includes bottom plate (1), its characterized in that: the top of the bottom plate (1) is provided with a protection mechanism (2), and the top of the protection mechanism (2) is provided with a taking and mounting mechanism (3);

The protection mechanism (2) comprises a balance component (21) and a protection component (22), wherein the balance component (21) is arranged at the bottom of the protection component (22).

2. The safety protection structure of 18650 lithium battery according to claim 1, wherein: the balance assembly (21) comprises a shell (216), the shell (216) is fixedly connected to the outside of the bottom plate (1), a separation block (211) is fixedly connected to the top of the bottom plate (1), a trapezoid block (212) is arranged on the inner side of the separation block (211), a ball (213) is movably connected to the middle position of the top of the separation block (211) and the middle position of the top of the trapezoid block (212), a balance plate (214) is movably connected to the top of the ball (213), and a spring (215) is fixedly connected to the outside of the balance plate (214).

3. The safety protection structure of 18650 lithium battery according to claim 2, wherein: the separation blocks (211) are provided with two groups, and the trapezoid blocks (212) are connected inside the two groups of separation blocks (211) in a sliding mode.

4. The safety protection structure of 18650 lithium battery according to claim 2, wherein: the protection component (22) comprises a PC insulating sheet (221), the PC insulating sheet (221) is fixedly connected to the top of the balance plate (214), a nickel sheet (222) is fixedly connected to the inner side of the PC insulating sheet (221), a battery support (223) is fixedly connected to the inner side of the nickel sheet (222), a plastic support column (224) is slidably connected to the inner side of the battery support (223), and a lithium battery pack (225) is fixedly connected to one end, far away from the plastic support column (224), of the inner side of the battery support (223).

5. The safety protection structure of 18650 lithium battery according to claim 4, wherein: the PC insulating sheet (221), the nickel sheet (222) and the battery support (223) are provided with two groups, through holes are formed in the positions, corresponding to the positions of the battery support (223) and the plastic support (224), of the battery support (223), and the battery support (223) is connected to the outer portion of the plastic support (224) in a sliding mode.

6. The safety protection structure of 18650 lithium battery according to claim 2, wherein: the picking and installing mechanism (3) comprises a cover plate (31), the cover plate (31) is movably connected to the top of a shell (216), a clamping block (33) is fixedly connected to the top of the shell (216), a connecting seat (32) is fixedly connected to the top of the cover plate (31), a handle (35) is rotatably connected to the inside of the connecting seat (32), and a ventilation dustproof net (36) is connected to the inside of the cover plate (31); one end that connecting seat (32) was kept away from at the top of apron (31) is fixedly connected with spliced pole (34), the outside fixedly connected with installation piece (37) of shell (216), the inside sliding connection of installation piece (37) has bolt (38), the outside threaded connection of bolt (38) has nut (39).

7. The safety protection structure of 18650 lithium battery according to claim 6, wherein: through holes are formed in the positions, corresponding to the positions of the nuts (39) and the bolts (38), of the bolts (38), and the bolts (38) penetrate through the mounting blocks (37) to be connected with the inside of the nuts (39) in a threaded mode.