CN211907537U

CN211907537U - Lithium battery shell

Info

Publication number: CN211907537U
Application number: CN202020886742.XU
Authority: CN
Inventors: 高灿凌
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2020-11-10
Anticipated expiration: 2030-05-25

Abstract

The utility model discloses a lithium battery shell, the protective housing comprises a protective housing, the last fixed surface of protective housing is connected with the casing, the casing under the fixed surface of protective housing is connected with, the fixed surface of casing is provided with buffer down, and the surface left and right sides of protection shield has all seted up the louvre, the equal fixedly connected with buffer board in both ends around the medial surface of protective housing. The louvre that usable this casing left and right sides set up makes the lithium cell dispel the heat through the louvre in the use, when meetting the highway section of jolting, buffer through the inside bottom of lithium cell reduces the vibration of lithium cell, prevent that the lithium cell from damaging because of the vibration, use the inflation back for a long time at the lithium cell, buffer board through the inboard both sides of protective housing setting, when meetting the battery inflation, the buffer board front end begins to receive extrusion deformation, the deformation volume that the lithium cell warp to cause has been absorbed to dashpot and cushion that set up in its buffer board, the injury that the casing received has been reduced.

Description

Lithium battery shell

Technical Field

The utility model belongs to the technical field of lithium cell casing and specifically relates to a manufacturing method of lithium cell casing and casing.

Background

The lithium battery has wide application in work and life, has good electricity storage performance and discharge performance, is popular with most people, and has larger and larger capacity and power along with the rapid development of lithium battery technology and the higher and higher requirements of new energy application fields such as electric automobiles and the like on the lithium battery.

Common lithium batteries generally adopt a square or round solid structure, and the structure has poor heat dissipation. And after the capacity of the battery is increased, the volume of the battery core is increased.

And along with the increase of battery capacity, power, calorific capacity of lithium cell when operating condition also increases for the security of lithium cell can't obtain guaranteeing, and the structure of current lithium cell casing does not have heat radiation structure, and after long-term the use, if meet the road surface of jolting, the lithium cell can take place to rock, causes the inside damage of battery, and the battery that uses for a long time charges the overexpansion and causes the extrusion to the shell, makes the shell damage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium battery shell to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a lithium battery shell, includes the protective housing, the last fixed surface of protective housing is connected with the casing, the lower fixed surface of protective housing is connected with casing down, the fixed surface of casing is provided with buffer down, and the louvre has all been seted up to the surface left and right sides of protection shield, the equal fixedly connected with buffer board in both ends around the medial surface of protective housing.

In a further embodiment, the bottom surface of the upper shell is fixedly connected with an upper clamping plate, the left side and the right side of the front end and the rear end of the upper clamping plate are respectively provided with an upper threaded hole, and the upper shell and the lower shell are identical in size and specification.

In a further embodiment, the middle position of the upper surface of the lower shell is fixedly connected with a lower clamping plate, lower threaded holes are formed in the left side and the right side of the front end and the rear end of the lower clamping plate respectively, and fixing bolts are rotatably connected inside the upper threaded holes and the lower threaded holes.

In a further embodiment, a supporting column is arranged at the bottom end of the buffering device, the bottom end of the supporting column is fixedly connected to the upper surface of the lower clamping plate, a vertically arranged spring is fixedly connected to the inside of the supporting column, and the upper end of the spring is fixedly connected to the bottom end of the buffering device.

In a further embodiment, a buffer groove is formed in the middle of the inner portion of the buffer plate, and a buffer pad is fixedly connected to the inner portion of the buffer groove.

In a further embodiment, the left side and the right side of the lower end of the upper surface of the upper shell are fixedly connected with a positive electrode and a negative electrode respectively, a transversely arranged handle is fixedly connected to the middle position of the surface of the upper shell, and a holding groove is formed in the middle position of the handle.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this manufacturing approach of lithium cell casing and casing, through setting up buffer, louvre and buffer board, in the in-process that the lithium cell used, this casing through the setting of lithium cell outer end, the louvre that usable this casing left and right sides set up makes the lithium cell dispel the heat through the louvre in the use, simultaneously when meetting the highway section of jolting, the buffer that can pass through the inside bottom of lithium cell reduces the vibration of lithium cell, prevent that the lithium cell from damaging because of the vibration, and simultaneously, after the lithium cell uses the inflation for a long time, through the buffer board of the inboard both sides setting of protective housing, when meetting the battery inflation, the buffer board front end begins to receive extrusion deformation, the buffer slot and the cushion that set up in its buffer board have absorbed the deformation volume that the lithium cell deformation caused, the injury that the.

2. According to the lithium battery shell and the manufacturing method of the lithium battery shell, the upper shell, the lower shell and the protection plate are arranged, the battery shell can be assembled by the upper shell, the lower shell and the protection plate, the shell structure is simplified, the shell is more durable, the upper shell and the lower shell are rotationally fixed above and below the protection shell through the fixing bolt and the upper threaded hole and the lower threaded hole of the upper clamping plate, and the effect that the protection shell is simple and durable in structure is achieved.

Drawings

Fig. 1 is a schematic perspective view of a lithium battery case.

Fig. 2 is a schematic diagram of an explosion effect three-dimensional structure of a lithium battery case.

Fig. 3 is an enlarged schematic view of the lithium battery case shown in fig. 2A.

Fig. 4 is a schematic side sectional view of a buffer plate in a lithium battery case.

Fig. 5 is a schematic view illustrating a manufacturing process of a lithium battery case.

In the figure: 1. a protective shell; 2. an upper housing; 21. an upper clamping plate; 22. an upper threaded hole; 23. fixing the bolt; 3. a lower housing; 31. a lower clamping plate; 32. a lower threaded hole; 4. a buffer device; 41. a support pillar; 42. a spring; 5. heat dissipation holes; 6. a buffer plate; 61. a buffer tank; 62. a cushion pad; 7. a positive electrode; 8. a negative electrode; 9. a handle; 91. and (4) holding the groove.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 by those of ordinary skill in the art through specific situations.

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.

Examples

Referring to fig. 1-5, in an embodiment of the present invention, a lithium battery case includes a protective case 1, an upper surface of the protective case 1 is fixedly connected with an upper case 2, a lower surface of the protective case 1 is fixedly connected with a lower case 3, a bottom surface of the upper case 2 is fixedly connected with an upper clamping plate 21, left and right sides of front and rear ends of the upper clamping plate 21 are respectively provided with an upper threaded hole 22, the upper case 2 and the lower case 3 have the same size, a lower clamping plate 31 is fixedly connected to a middle position of the upper surface of the lower case 3, left and right sides of front and rear ends of the lower clamping plate 31 are respectively provided with a lower threaded hole 32, fixing bolts 23 are respectively rotatably connected inside the upper threaded hole 22 and the lower threaded hole 32, a buffer device 4 is fixedly arranged on the surface of the lower case 3, a support column 41 is arranged at a bottom end of the buffer device 4, the inside of the supporting column 41 is fixedly connected with a vertically arranged spring 42, the upper end of the spring 42 is fixedly connected with the bottom end of a buffering device 4, the left side and the right side of the surface of the protective shell 1 are respectively provided with a heat dissipation hole 5, the front end and the rear end of the inner side surface of the protective shell 1 are respectively fixedly connected with a buffering plate 6, the middle position inside the buffering plate 6 is provided with a buffering groove 61, the inside of the buffering groove 61 is fixedly connected with a buffering pad 62, the left side and the right side of the lower end of the upper surface of the upper shell 2 are respectively fixedly connected with an anode 7 and a cathode 8, the middle position on the surface of the upper shell 2 is fixedly connected with a transversely arranged handle 9, the middle position of the handle 9 is provided with a holding groove 91, by arranging the buffering device 4, the heat dissipation holes 5 and the buffering plate 6, in the use process of the lithium battery, the heat, when meetting the highway section of jolting simultaneously, can reduce the vibration of lithium cell through buffer 4 of the inside bottom of lithium cell, prevent that the lithium cell from damaging because of the vibration, and simultaneously, after the lithium cell uses the inflation for a long time, buffer board 6 through the inboard both sides setting of protective housing, when meetting the battery inflation, buffer board 6 front end begins to receive the extrusion deformation, the deformation volume that the lithium cell deformation caused has been absorbed to buffer slot 61 and the buffer pad 62 that set up in its buffer board 6, the injury that the casing received has been reduced.

The utility model discloses a theory of operation is: fixedly welding a handle 9 on the top surface of an upper shell 2, slotting at the middle position of the handle 9 to form a holding groove 91, rotatably fixing the upper shell 2 above a protective shell 1 through a fixing bolt 23 and an upper threaded hole 22 of an upper clamping plate 21, fixedly bonding buffer plates 6 on two sides of the inner wall of the protective shell 1, arranging buffer grooves 61 in the buffer plates 6 and installing buffer pads 62 to ensure that the buffer plates 6 are firmly attached, and finally rotationally connecting the protective shell 1 and the connected upper shell 2 with lower threads on a lower clamping plate 31 through the fixing bolt 23 to ensure that the whole lithium battery shell is manufactured and assembled, wherein the heat dissipation holes 5 arranged on the left side and the right side of the shell can be utilized to dissipate heat of a lithium battery through the heat dissipation holes 5 in the use process, and when a bumpy road section is encountered, the vibration of the lithium battery can be reduced through the buffer device 4 at the bottom end in, prevent that the lithium cell from damaging because of the vibration, simultaneously, use the inflation back for a long time at the lithium cell, through the buffer board 6 that 1 inboard both sides of protective housing set up, when meetting the battery inflation, the buffer board 6 front end begins to receive the extrusion deformation, and the deformation volume that the lithium cell deformation caused has been absorbed to buffer slot 61 and the buffer pad 62 that set up in its buffer board 6, has reduced the injury that the casing received.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a lithium battery shell, includes protective housing (1), its characterized in that, casing (2) on the last fixed surface of protective housing (1) is connected with, casing (3) under the lower fixed surface of protective housing (1) is connected with, the fixed surface of casing (3) is provided with buffer (4) down, and the surperficial left and right sides of protective housing (1) has all seted up louvre (5), equal fixedly connected with buffer board (6) in both ends around the medial surface of protective housing (1).

2. The lithium battery shell as claimed in claim 1, wherein the bottom end surface of the upper shell (2) is fixedly connected with an upper clamping plate (21), the left and right sides of the front and rear ends of the upper clamping plate (21) are respectively provided with an upper threaded hole (22), and the upper shell (2) and the lower shell (3) have the same size and specification.

3. The lithium battery shell as claimed in claim 2, wherein the lower clamping plate (31) is fixedly connected to the middle position of the upper surface of the lower shell (3), the left and right sides of the front and rear ends of the lower clamping plate (31) are respectively provided with a lower threaded hole (32), and the inner parts of the upper threaded hole (22) and the lower threaded hole (32) are respectively rotatably connected with a fixing bolt (23).

4. The lithium battery shell as recited in claim 1, wherein the bottom end of the buffer device (4) is provided with a supporting column (41), the bottom end of the supporting column (41) is fixedly connected to the upper surface of the lower clamping plate (31), the inside of the supporting column (41) is fixedly connected with a vertically arranged spring (42), and the upper end of the spring (42) is fixedly connected to the bottom end of the buffer device (4).

5. The lithium battery shell as claimed in claim 1, wherein a buffer groove (61) is formed at an intermediate position inside the buffer plate (6), and a buffer pad (62) is fixedly connected to the inside of the buffer groove (61).

6. The lithium battery shell as claimed in claim 1, wherein the upper shell (2) is fixedly connected with an anode (7) and a cathode (8) at the left and right sides of the lower end of the upper surface respectively, a transversely arranged handle (9) is fixedly connected to the middle position of the upper surface of the upper shell (2), and a holding groove (91) is formed at the middle position of the handle (9).