CN210535752U

CN210535752U - Battery with safe explosion-proof structure

Info

Publication number: CN210535752U
Application number: CN201921771198.8U
Authority: CN
Inventors: 徐卫东
Original assignee: Zhejiang Yonggao Battery Co Ltd
Current assignee: Zhejiang Yonggao Battery Co Ltd
Priority date: 2019-10-21
Filing date: 2019-10-21
Publication date: 2020-05-15
Anticipated expiration: 2029-10-21

Abstract

The utility model discloses a battery with safe explosion-proof structure, including dry battery body, this internal explosion-proof equipment that is equipped with of dry battery, explosion-proof equipment includes the drum, the exhaust hole has been seted up to drum one end opening and the other end, the drum is kept away from opening one end with dry battery body one side inner wall fixed connection, exhaust hole fixedly connected with blast pipe just the blast pipe runs through a lateral wall of dry battery body, the drum middle part is equipped with the slide cartridge through the connecting rod is fixed, it is equipped with the slide bar to slide in the slide cartridge, the fixed disc that is equipped with of slide bar one end, the disc is close to the fixed seal ring that is equipped with in slide bar. Has the advantages that: the gas that can be timely with the inside dry battery body is discharged to can prevent that the inside atmospheric pressure of dry battery body from too high explosion takes place, thereby can increase the security performance of dry battery body.

Description

Battery with safe explosion-proof structure

Technical Field

The utility model relates to a dry battery field particularly, relates to a battery with safe explosion-proof construction.

Background

The acid Zn-Mn dry battery has zinc cylinder as negative electrode and amalgamation treatment to make surface homogeneous, reduce Zn corrosion and raise the storage performance of the battery, and the positive electrode material is one mixed paste of manganese dioxide powder, ammonium chloride and carbon black. A carbon rod is inserted in the middle of the anode material and is used as a conductor for leading out current. Between the positive and negative electrodes is a layer of reinforced separator paper, which is impregnated with an electrolyte solution containing ammonium chloride and zinc chloride, and the upper part of the metallic zinc is sealed. The battery is invented by Leclanhe (Leclanche) in France in the 60 th 19 th century, and is also called a Leclanhe battery or a carbon zinc dry battery.

If the internal temperature of the battery reaches a thermal runaway state, the internal pressure of the battery continues to rise, a large amount of gas is generated in the battery, the gas can cause the internal pressure of the battery to increase, and the gas is exploded when being accumulated to a certain amount, so that the gas in the battery needs to be discharged in time.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a battery with safe explosion-proof construction 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: a battery with a safe explosion-proof structure comprises a dry battery body, wherein an explosion-proof device is arranged in the dry battery body, the explosion-proof device comprises a cylinder, one end of the cylinder is opened, the other end of the cylinder is provided with an exhaust hole, one end of the cylinder, which is far away from the opening, is fixedly connected with the inner wall of one side of the dry battery body, the exhaust hole is fixedly connected with an exhaust pipe, the exhaust pipe penetrates through one side wall of the dry battery body, the middle part of the cylinder is fixedly provided with a slide cylinder through a connecting rod, a slide rod is arranged in the slide cylinder in a sliding manner, one end of the slide rod is fixedly provided with a disc, the disc is close to one side of the slide rod and is fixedly provided with a sealing gasket, one end of the slide rod, which is far away, and a sealing ring matched with the disc is fixedly arranged on the inner wall of one end, close to the exhaust pipe, of the cylinder.

Further, the dry battery body comprises a zinc barrel, a metal cap is fixedly arranged at the upper end of the zinc barrel and is insulated from the zinc barrel, a carbon rod is fixedly arranged between the metal cap and the bottom end of the zinc barrel, sealing plastic is fixedly arranged at the upper end in the zinc barrel, an electric core is filled in the zinc barrel and is positioned below the sealing plastic, the cylinder is far away from one end of the opening and is fixedly connected with the inner wall of the zinc barrel, and the exhaust pipe penetrates through one side wall of the zinc barrel.

Further, the zinc cylinder is subjected to amalgamation treatment.

Furthermore, the outer wall of the zinc cylinder is fixedly sleeved with an insulating plastic packaging film, and the exhaust pipe penetrates through the insulating plastic packaging film.

Furthermore, a first dust filtering net is fixedly arranged at the opening end of the cylinder.

Furthermore, a plurality of convex columns are fixedly arranged on one surface, far away from the sliding rod, of the disc.

Furthermore, a second dust filter net is fixedly arranged in one end, far away from the cylinder, of the exhaust pipe.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the utility model discloses a set up dry battery body and explosion-proof equipment, can be timely with the inside gas outgoing of dry battery body to can prevent the inside high emergence explosion of atmospheric pressure of dry battery body, thereby can increase dry battery body's security performance.

(2) The utility model discloses a carry out amalgamation to the zinc pot and handle, can make zinc pot surface property more even to reduce the corruption of zinc pot.

(3) The utility model discloses a set up insulating plastic packaging film, can be with making the zinc section of thick bamboo outer wall insulating.

(4) The utility model discloses a set up first dust filter, can prevent that this internal particulate matter of dry battery from leading to the drum to block up in getting into the drum.

(5) The utility model discloses a set up the projection, can prevent that dry battery body internal gas pressure is too high, blocks the exhaust hole with disc and the laminating of drum right-hand member inner wall.

(6) The utility model discloses a set up the second and strain the dirt net, can prevent that the dust among the external environment from getting into and causing the blast pipe to block up in the blast pipe.

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, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a battery having a safety explosion-proof structure according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an explosion-proof device in a battery with a safety explosion-proof structure according to an embodiment of the present invention.

Reference numerals:

1. a dry cell body; 2. an explosion-proof device; 3. a cylinder; 4. an exhaust hole; 5. an exhaust pipe; 6. a connecting rod; 7. a slide cylinder; 8. a slide bar; 9. a disc; 10. a sealing gasket; 11. a limiting block; 12. a spring; 13. A seal ring; 14. a zinc cylinder; 15. a metal cap; 16. a carbon rod; 17. sealing the plastic; 18. an electric core; 19. An insulating plastic packaging film; 20. a first dust filter screen; 21. a convex column; 22. and a second dust filter screen.

Detailed Description

The following, with reference to the drawings and the detailed description, further description of the present invention is made:

the first embodiment is as follows:

referring to fig. 1-2, a battery with a safety explosion-proof structure according to an embodiment of the present invention includes a dry battery body 1, an explosion-proof device 2 is disposed in the dry battery body 1, the explosion-proof device 2 includes a cylinder 3, an opening is disposed at one end of the cylinder 3, an exhaust hole 4 is disposed at the other end of the cylinder 3, an end of the cylinder 3 away from the opening is fixedly connected to an inner wall of one side of the dry battery body 1, the exhaust hole 4 is fixedly connected to an exhaust pipe 5, the exhaust pipe 5 penetrates through a side wall of the dry battery body 1, a sliding cylinder 7 is fixedly disposed at the middle portion of the cylinder 3 through a connecting rod 6, a sliding rod 8 is slidably disposed in the sliding cylinder 7, a disc 9 is fixedly disposed at one end of the sliding rod 8, a sealing gasket 10 is fixedly disposed at a side of the, the slide bar 8 is far away from the outer wall cover of one end of the disc 9 is provided with a spring 12, one end of the spring 12 is fixedly connected with the limiting block 11, the other end of the spring 12 is fixedly connected with the sliding cylinder 7, and the cylinder 3 is close to the inner wall of one end of the exhaust pipe 5 and is fixedly provided with a sealing ring 13 matched with the disc 9.

Through the above technical scheme of the utility model, can be timely with the inside gas outgoing of dry battery body 1 to can prevent the too high emergence explosion of the inside atmospheric pressure of dry battery body 1, thereby can increase dry battery body 1's security performance.

Example two:

referring to fig. 1, for a dry battery body 1, the dry battery body 1 includes a zinc can 14, a metal cap 15 is fixedly disposed at an upper end of the zinc can 14, the metal cap 15 is insulated from the zinc can 14, a carbon rod 16 is fixedly disposed between the metal cap 15 and a bottom end of the zinc can 14, a sealing plastic 17 is fixedly disposed at an upper end of the zinc can 14, a battery core 18 is filled in the zinc can 14 and under the sealing plastic 17, one end of the cylinder 3, which is far away from the opening, is fixedly connected to an inner wall of the zinc can 14, and the exhaust pipe 5 penetrates through a side wall of the zinc can 14; for the zinc can 14, the zinc can 14 is amalgamated; for the zinc cylinder 14, an insulating plastic packaging film 19 is fixedly sleeved on the outer wall of the zinc cylinder 14, and the exhaust pipe 5 penetrates through the insulating plastic packaging film 19.

Through the above technical scheme of the utility model, carry out amalgamation to zinc pot 14 and handle, can make 14 surface properties of zinc pot more even to reduce the corruption of zinc pot 14, insulating plastic packaging film 19 can be with making 14 outer walls of zinc pot insulating.

Example three:

referring to fig. 1-2, for the cylinder 3, a first dust filter 20 is fixed at the open end of the cylinder 3; for the disc 9, a plurality of convex columns 21 are fixedly arranged on one surface, far away from the sliding rod 8, of the disc 9; for the exhaust pipe 5, a second dust filter 22 is fixedly arranged in one end of the exhaust pipe 5 far away from the cylinder 3.

Through the above technical scheme of the utility model, first dust filter 20 can prevent that the particulate matter in the dry battery body 1 from getting into and leading to drum 3 to block up in drum 3, and projection 21 can prevent that 1 interior atmospheric pressure of dry battery body is too high, blocks exhaust hole 4 with the laminating of 3 right-hand members inner walls of drum 9, and second dust filter 22 can prevent to cause blast pipe 5 to block up in the dust entering blast pipe 5 in the external environment.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application, when a certain amount of gas is accumulated in the zinc cylinder 14, the gas pressure can push the disc 9 to the right, so that the sealing gasket 10 on the disc 9 and the sealing ring 13 are not sealed any more, so that the gas in the zinc cylinder 14 can be discharged from the vent hole 4 to the outside of the zinc cylinder 14 along the vent pipe 5, so that explosion caused by too high gas pressure in the zinc cylinder 14 can be prevented, thereby increasing the safety performance of the dry battery body 1, and when the gas pressure in the zinc cylinder 14 is low, the spring 12 can push the slide rod 8 to the left, so that the sealing gasket 10 on the disc 9 and the sealing ring 13 are tightly attached together to form a seal, amalgamation treatment is performed on the zinc cylinder 14, so that the surface properties of the zinc cylinder 14 can be more uniform, thereby reducing corrosion of the zinc cylinder 14, the insulating plastic packaging film 19 can insulate the outer wall of the zinc cylinder 14, the first dust filter 20 can prevent particles in the dry battery body 1 from entering the cylinder 3 to cause blockage of, the convex column 21 can prevent the over-high air pressure in the dry battery body 1, the disc 9 and the inner wall of the right end of the cylinder 3 are attached to block the exhaust hole 4, and the second dust filtering net 22 can prevent dust in the external environment from entering the exhaust pipe 5 to cause the blockage of the exhaust pipe 5.

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. The battery with the safe explosion-proof structure is characterized by comprising a dry battery body (1), wherein an explosion-proof device (2) is arranged in the dry battery body (1), the explosion-proof device (2) comprises a cylinder (3), an exhaust hole (4) is formed in one end opening and the other end of the cylinder (3), the cylinder (3) is far away from the opening one end and the inner wall of one side of the dry battery body (1) is fixedly connected, the exhaust hole (4) is fixedly connected with an exhaust pipe (5), the exhaust pipe (5) penetrates through the side wall of the dry battery body (1), the middle part of the cylinder (3) is fixedly provided with a sliding barrel (7) through a connecting rod (6), a sliding rod (8) is arranged in the sliding barrel (7), one end of the sliding rod (8) is fixedly provided with a disc (9), the disc (9) is close to one side of the sliding rod (8, slide bar (8) are kept away from disc (9) one end is fixed and is equipped with stopper (11), slide bar (8) are kept away from disc (9) one end outer wall cover is equipped with spring (12), spring (12) one end with stopper (11) fixed connection, the spring (12) other end with slide cartridge (7) fixed connection, drum (3) are close to blast pipe (5) one end inner wall is fixed be equipped with disc (9) assorted sealing ring (13).

2. The battery with the safety explosion-proof structure as recited in claim 1, wherein the dry battery body (1) comprises a zinc cylinder (14), a metal cap (15) is fixedly arranged at the upper end of the zinc cylinder (14), the metal cap (15) is insulated from the zinc cylinder (14), a carbon rod (16) is fixedly arranged between the metal cap (15) and the bottom end of the zinc cylinder (14), sealing plastic (17) is fixedly arranged at the upper end in the zinc cylinder (14), an electric core (18) is filled in the zinc cylinder (14) and under the sealing plastic (17), one end of the cylinder (3) far away from the opening is fixedly connected with the inner wall of the zinc cylinder (14), and the exhaust pipe (5) penetrates through one side wall of the zinc cylinder (14).

3. A battery having a safety explosion-proof structure according to claim 2, wherein the zinc can (14) is amalgamated.

4. A battery with a safety explosion-proof structure as claimed in claim 3, wherein the outer wall of the zinc cylinder (14) is fixedly sleeved with an insulating plastic packaging film (19), and the exhaust pipe (5) penetrates through the insulating plastic packaging film (19).

5. A battery having a safety explosion-proof structure according to claim 1, wherein a first dust filter (20) is fixedly provided at an open end of the cylinder (3).

6. A battery with a safety explosion-proof structure according to claim 1, wherein a plurality of convex columns (21) are fixedly arranged on one side of the disc (9) far away from the sliding rod (8).

7. A battery with a safety and explosion-proof structure as claimed in claim 1, wherein a second dust filter (22) is fixed in one end of the exhaust pipe (5) far away from the cylinder (3).