CN213782149U

CN213782149U - Lithium battery with protection mechanism

Info

Publication number: CN213782149U
Application number: CN202022410542.XU
Authority: CN
Inventors: 张桂芝
Original assignee: Shenzhen Hailong Zhitong Electronic Technology Co ltd
Current assignee: Shenzhen Hailong Zhitong Electronic Technology Co ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-07-23
Anticipated expiration: 2030-10-27

Abstract

The utility model discloses a lithium battery with a protection mechanism, which comprises a shell and a battery cover, wherein the battery cover is arranged inside the outer wall of the front end of the shell, a mounting groove is arranged inside the outer wall of the front end of the shell, a long screw presses a battery main body to prevent the battery main body from sliding up and down in an upper protective shell and a lower protective shell, the damage to the anode and the cathode of the battery main body is avoided, if the shell falls on the ground, the battery cover is thrown out, the battery main body fixes the battery main body through the upper protective shell and the lower protective shell to avoid being thrown out, and a buffer spring also pulls the lower protective shell to prevent the battery main body from directly and firmly colliding with the upper fixed cylinder and the lower fixed cylinder to avoid the damage to the two ends of the battery main body, and when a large shake occurs, the two ends of the battery main body only slightly shake in the upper fixed cylinder and the lower fixed cylinder to avoid the battery main body from being thrown out of the battery box, the battery body can be effectively protected, and the battery is prevented from being damaged and causing great influence on human bodies and the environment.

Description

Lithium battery with protection mechanism

Technical Field

The utility model belongs to the technical field of the lithium cell is relevant, concretely relates to lithium cell that possesses protection mechanism.

Background

A lithium battery is a type of battery using a nonaqueous electrolyte solution, using lithium metal or a lithium alloy as a positive/negative electrode material. Lithium metal batteries were first proposed and studied by Gilbert n.lewis in 1912. In the 70 s of the 20 th century, m.s.whitetingham proposed and began to study lithium ion batteries. Because the chemical characteristics of lithium metal are very active, the requirements on the environment for processing, storing and using the lithium metal are very high. With the development of scientific technology, lithium batteries have become mainstream, and the lithium batteries can be roughly divided into two types: lithium metal batteries and lithium ion batteries. Lithium ion batteries do not contain lithium in the metallic state and are rechargeable. The fifth generation of rechargeable batteries, lithium metal batteries, was born in 1996, and the safety, specific capacity, self-discharge rate and cost performance of rechargeable batteries were all superior to those of lithium ion batteries. Due to its own high technical requirement limits, only a few countries of companies are producing such lithium metal batteries.

The prior lithium battery technology has the following problems: the lithium batteries are usually mounted on some toys and household appliance controllers in a large number, and the shells of the mounted lithium batteries are small, so that the lithium batteries fall off from battery tanks easily, are prone to cracking and damage and cause certain economic loss, and bring immeasurable damage to environmental soil.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium cell that possesses protection mechanism to the shell that proposes the installation lithium cell among the solution above-mentioned background art all the smaller easily drops subaerial and can also bring inestimable's problem to environment soil.

In order to achieve the above object, the utility model provides a following technical scheme: a lithium battery with a protection mechanism comprises a shell and a battery cover, wherein the battery cover is arranged inside the outer wall of the front end of the shell, a mounting groove is formed inside the outer wall of the front end of the shell, a battery box is arranged inside the mounting groove, a battery tank is arranged inside the battery box, an upper fixing barrel is arranged on the inner wall of the upper end of the battery tank, a lower fixing barrel is arranged on the inner wall of the lower end of the battery tank, a battery main body is arranged inside the battery tank, a lower protecting shell is sleeved outside the battery main body, an upper protecting shell is arranged on the outer wall of the upper end of the lower protecting shell, a spring terminal is arranged inside the upper fixing barrel, a contact terminal is arranged inside the lower fixing barrel, a round groove is formed inside the inner wall of the rear end of the battery tank, a cross screw is arranged inside the round groove, and a mounting screw hole is formed in the battery tank on the lower side of the round groove, the protective housing is characterized in that a connecting column is arranged on the outer wall of the circumference of the lower end of the lower protective housing, a buffer spring is arranged on the outer wall of the lower end of the connecting column, an installation screw is arranged on the outer wall of the lower end of the buffer spring, connecting blocks are arranged on the outer walls of the lower ends of the left side and the right side of the upper protective housing, a clamping block is arranged on the outer wall of the lower end of the connecting block, a connecting groove is formed in the outer wall of the upper end of the left side and the right side of the lower protective housing, a clamping groove is formed in the inner wall of the lower end of the connecting groove, and a long screw is arranged in the outer wall of the circumference of the left side and the right side of the lower protective housing.

Preferably, the diameters of the upper protective shell and the lower protective shell are the same, and the diameters of the upper protective shell and the lower protective shell are both larger than the diameter of the battery main body.

Preferably, the diameters of the upper protective shell and the lower protective shell are made of semicircular plastic materials, and the length of the upper protective shell is smaller than that of the lower protective shell.

Preferably, the inner diameters of the upper fixed cylinder and the lower fixed cylinder are the same, and the inner diameters of the upper fixed cylinder and the lower fixed cylinder are larger than the diameter of the battery main body.

Preferably, the outer wall of the upper end of the battery cover is provided with concave-convex grains, and the inner circumferential walls of the upper protective shell and the lower protective shell are provided with convex blocks.

Preferably, all be provided with the screw on mounting groove and the battery case, shell and battery case pass through cross screw fixed connection.

Compared with the prior art, the utility model provides a lithium cell that possesses protection mechanism possesses following beneficial effect:

the utility model discloses a lithium battery adds a protection mechanism through the outside, through putting into the protection mechanism battery main body, avoid the battery main body to drop from the shell when the shell drops, make the battery main body can obtain fine protection, reduce individual economic loss, and when installing this protection mechanism, can fix the battery case in the protection mechanism in the mounting groove through the cross screw first, so can change the battery case, be favorable to changing different battery cases to different models of batteries, then install the lower protective housing in the protection mechanism in the battery case through the installation screw rod, install the lower protective housing in the battery case, then place the battery on the lower protective housing, then install the upper protective housing on the lower protective housing, and fix through the long screw rod, and long screw rod one end supports the battery main body, make the battery main body difficult to slide from top to bottom in upper protective housing and lower protective housing, avoid battery subject's positive pole and negative pole to have the damage, if the shell appears and fall subaerial time, the battery cover is got rid of, and battery subject fixes it through last protective housing and lower protective housing this moment, avoid getting rid of away, and, buffer spring also can hold lower protective housing, make battery subject avoid bumping with last solid fixed cylinder and solid fixed cylinder is direct hard down, avoid causing the battery subject both ends to appear the damage, and when great rocking appears, battery subject's both ends also only can slightly thoughtlessly move in last solid fixed cylinder and the solid fixed cylinder down, can not get rid of away from the battery case, make battery subject can obtain effectual protection, after avoiding the battery damage, cause great influence to human body and environment.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic diagram of a planar structure of a lithium battery with a protection mechanism according to the present invention;

fig. 2 is a schematic view of a planar structure of a battery box according to the present invention;

fig. 3 is a schematic view of a battery box analysis structure according to the present invention;

fig. 4 is a schematic view of a plane structure of the protective casing according to the present invention;

fig. 5 is the utility model provides a local structure sketch map of analyzing of protective housing

In the figure: 1. a housing; 2. a battery cover; 3. mounting grooves; 4. a battery case; 5. a battery case; 6. an upper fixed cylinder; 7. a battery main body; 8. an upper protective shell; 9. a lower protective shell; 10. a lower fixed cylinder; 11. mounting a screw hole; 12. a contact terminal; 13. a spring terminal; 14. a circular groove; 15. a cross screw; 16. a buffer spring; 17. connecting columns; 18. installing a screw rod; 19. a long screw; 20. connecting grooves; 21. a card slot; 22. connecting blocks; 23. and (7) clamping blocks.

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. 1-5, the present invention provides a technical solution: a lithium battery with a protection mechanism comprises a shell 1 and a battery cover 2, wherein the battery cover 2 is arranged inside the outer wall of the front end of the shell 1, the outer wall of the front end of the shell 1 is internally provided with a mounting groove 3, the inside of the mounting groove 3 is provided with a battery box 5, the inside of the battery box 5 is provided with a battery jar 4, the inner wall of the upper end of the battery jar 4 is provided with an upper fixing barrel 6, the inner wall of the lower end of the battery jar 4 is provided with a lower fixing barrel 10, the inside of the battery jar 4 is provided with a battery main body 7, the outside of the battery main body 7 is sleeved with a lower protecting shell 9, the outer wall of the upper end of the lower protecting shell 9 is provided with an upper protecting shell 8, the inside of the upper fixing barrel 6 is provided with a spring terminal 13, the inside of the lower fixing barrel 10 is provided with a contact terminal 12, the inside of the inner wall of the rear end of the battery jar 4 is provided with a round groove 14, the inside of the round groove 14 is provided with a cross screw 15, the battery jar 4 at the lower side is provided with a mounting screw hole 11, connecting column 17 is arranged on the outer wall of the circumference of the lower end of lower protective shell 9, buffer spring 16 is arranged on the outer wall of the lower end of connecting column 17, mounting screw rods 18 are arranged on the outer wall of the lower end of buffer spring 16, connecting blocks 22 are arranged on the outer walls of the lower ends of the left side and the right side of upper protective shell 8, fixture blocks 23 are arranged on the outer walls of the lower ends of connecting blocks 22, connecting grooves 20 are formed in the outer walls of the upper ends of the left side and the right side of lower protective shell 9, clamping grooves 21 are formed in the inner walls of the lower ends of connecting grooves 20, and long screw rods 19 are arranged in the outer walls of the left side and the right side of lower protective shell 9.

A lithium battery with a protection mechanism comprises a shell 1 and a battery cover 2, wherein the diameters of an upper protection shell 8 and a lower protection shell 9 are the same, the diameters of the upper protection shell 8 and the lower protection shell 9 are both larger than that of a battery body 7, so that the battery body 7 can be placed into the lower protection shell 9, the upper protection shell 8 is clamped on the lower protection shell 9, when the battery body 7 is subjected to external force, the battery body 7 cannot be greatly displaced, meanwhile, batteries with different diameters can be fixed through the upper protection shell 8 and the lower protection shell 9, the diameters of the upper protection shell 8 and the lower protection shell 9 are both made of semicircular plastic materials, the upper protection shell 8 is smaller than the length of the lower protection shell 9, so that the battery body 7 is fixed through the upper protection shell 8 and the lower protection shell 9, the upper protection shell 8 can be clamped on the lower protection shell 9, and the battery body 7 cannot fall down, the inner diameters of the upper fixing barrel 6 and the lower fixing barrel 10 are the same, the inner diameters of the upper fixing barrel 6 and the lower fixing barrel 10 are larger than the diameter of the battery main body 7, so that the two ends of the battery main body 7 are respectively clamped into the upper fixing barrel 6 and the lower fixing barrel 10, even if the shell 1 falls down, the battery main body 7 only swings up and down inside the upper fixing barrel 6 and the lower fixing barrel 10 to provide certain protection for the battery main body 7, the outer wall of the upper end of the battery cover 2 is provided with raised grains, the inner circumferential walls of the upper protective shell 8 and the lower protective shell 9 are provided with raised blocks, so that the battery cover 2 is convenient to be detached from the shell 1, when the battery main body 7 is placed in the upper protective shell 8 and the lower protective shell 9, the friction force is increased through the raised blocks, the battery main body 7 is not easy to slide up and down, the two ends of the battery main body 7 are prevented from being damaged, screw holes are formed in the mounting grooves 3 and the battery box 5, shell 1 and battery case 5 pass through cross screw 15 fixed connection, can fix battery case 5 in mounting groove 3 through cross screw 15 like this, also can change battery case 5 simultaneously, are favorable to changing different battery cases 5 to the battery of different models.

The utility model discloses a theory of operation and use flow: when the protection mechanism of the utility model is installed, the battery box 5 can be put into the mounting groove 3 on the shell 1, then the cross screw 15 is used to install the screw hole on the battery box 5, so that the battery box 5 is fixed in the mounting groove 3, and the cross screw 15 is installed in the circular groove 14, and the head of the cross screw 15 is not higher than the connecting column 17, thus avoiding the interference with the installation of the battery body 7, preventing the battery body 7 from being blocked into the upper fixing cylinder 6 and the lower fixing cylinder 10, then the mounting screw 18 on the lower side of the lower protection shell 9 is fixed in the mounting screw hole 11, then the anode of the battery body 7 is installed in the lower fixing cylinder 10, the cathode of the battery body 7 is installed in the upper fixing cylinder 6, and the main body part of the battery body 7 is placed in the lower protection shell 9, then the upper protection shell 8 is used to be placed under the lower protection shell 9, and the clamping block 23 is blocked into the clamping groove 21, meanwhile, the upper protection shell 8 is moved upwards, the length of the clamping groove 21 is smaller than that of the lower protection shell 9, so that the clamping block 23 can only be moved to the middle position of the lower protection shell 9, then the two long screws 19 are installed in the lower protection shell 9, one end of each long screw 19 is abutted against the battery body 7, the battery body 7 is not easy to slide up and down in the upper protection shell 8 and the lower protection shell 9, the damage to the anode and the cathode of the battery body 7 is avoided, finally the battery cover 2 is covered on the shell 1, if the shell 1 falls on the ground, the battery cover 2 is thrown out, the battery body 7 is fixed through the upper protection shell 8 and the lower protection shell 9 at the moment and is prevented from being thrown out, and the buffer spring 16 can also pull the lower protection shell 9, so that the battery body 7 is prevented from being directly and firmly collided with the upper fixing barrel 6 and the lower fixing barrel 10, and the damage to the two ends of the battery body 7 is avoided, and when great rocking appears, the two ends of the battery main body 7 only slightly mix in the upper fixing cylinder 6 and the lower fixing cylinder 10 and cannot be thrown away from the battery box 5, so that the battery main body 7 can be effectively protected.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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. A lithium battery with a protection mechanism, comprising a housing (1) and a battery cover (2), characterized in that: the battery cover (2) is arranged inside the outer wall of the front end of the shell (1), the inner wall of the front end of the shell (1) is provided with a mounting groove (3), the inner part of the mounting groove (3) is provided with a battery box (5), the inner part of the battery box (5) is provided with a battery tank (4), the inner wall of the upper end of the battery tank (4) is provided with an upper fixing barrel (6), the inner wall of the lower end of the battery tank (4) is provided with a lower fixing barrel (10), the inner part of the battery tank (4) is provided with a battery main body (7), the outer part of the battery main body (7) is sleeved with a lower protecting shell (9), the outer wall of the upper end of the lower protecting shell (9) is provided with an upper protecting shell (8), the inner part of the upper fixing barrel (6) is provided with a spring terminal (13), the inner part of the lower fixing barrel (10) is provided with a contact terminal (12), the inner part of the inner wall of the rear end of the battery tank (4) is provided with a round groove (14), a cross screw (15) is arranged in the round groove (14), a mounting screw hole (11) is arranged on the battery jar (4) at the lower side of the round groove (14), a connecting column (17) is arranged on the circumferential outer wall of the lower end of the lower protective shell (9), a buffer spring (16) is arranged on the outer wall of the lower end of the connecting column (17), the outer wall of the lower end of the buffer spring (16) is provided with a mounting screw rod (18), the outer walls of the lower ends of the left side and the right side of the upper protective shell (8) are respectively provided with a connecting block (22), a clamping block (23) is arranged on the outer wall of the lower end of the connecting block (22), connecting grooves (20) are respectively arranged in the outer walls of the upper ends of the left side and the right side of the lower protective shell (9), a clamping groove (21) is formed in the inner wall of the lower end of the connecting groove (20), and long screws (19) are arranged in the circumferential outer walls of the left end and the right end of the lower protective shell (9) close to the front side.

2. The lithium battery with a protection mechanism according to claim 1, wherein: the diameter of the upper protection shell (8) is the same as that of the lower protection shell (9), and the diameter of the upper protection shell (8) is larger than that of the battery body (7) of the lower protection shell (9).

3. The lithium battery with a protection mechanism according to claim 1, wherein: the diameter of the upper protective shell (8) and the diameter of the lower protective shell (9) are both made of semicircular plastic materials, and the length of the upper protective shell (8) is smaller than that of the lower protective shell (9).

4. The lithium battery with a protection mechanism according to claim 1, wherein: the inner diameters of the upper fixed cylinder (6) and the lower fixed cylinder (10) are the same, and the inner diameters of the upper fixed cylinder (6) and the lower fixed cylinder (10) are larger than the diameter of the battery main body (7).

5. The lithium battery with a protection mechanism according to claim 1, wherein: the battery cover is characterized in that concave-convex grains are arranged on the outer wall of the upper end of the battery cover (2), and convex blocks are arranged on the circumferential inner walls of the upper protective shell (8) and the lower protective shell (9).

6. The lithium battery with a protection mechanism according to claim 1, wherein: the battery box is characterized in that screw holes are formed in the mounting groove (3) and the battery box (5), and the shell (1) and the battery box (5) are fixedly connected through cross screws (15).