Explosion-proof structure of lead-acid storage battery

Abstract

The utility model is applicable to the technical field of explosion prevention of lead-acid batteries, and provides an explosion-proof structure of a lead-acid storage battery, which comprises an explosion-proof shell, a mounting shell is arranged on the inner wall of the explosion-proof shell, a lead-acid storage battery body is arranged in the mounting shell, a pressing plate is arranged at the top of the lead-acid storage battery body, and a sealing cover is arranged on the pressing plate. A top plate is detachably arranged on the top of the explosion-proof shell through a plurality of connecting bolts, a vertical cylinder is arranged on the upper surface of the top plate, and a vertical rod is fixedly connected to the upper surface of the pressing plate. According to the anti-explosion structure of the lead-acid storage battery, when the lead-acid storage battery body explodes, impact force pushes a pressing plate to rise and extrudes a spring to contract, then a clamping block can be jacked open, a gap is formed between the clamping block and a vertical cylinder, pressure generated by explosion is discharged, the situation that the pressure in the anti-explosion shell is too large is avoided, and in the pressure discharging process, the pressure in the anti-explosion shell is reduced. And the activated carbon plate and the zeolite filling plate can adsorb and purify harmful substances and irritant substances in the gas.

Description

TECHNICAL FIELD

[0001] The utility model belongs to lead -acid battery explosion -proof technical field especially relates to a kind of explosion -proof structure of lead -acid battery. BACKGROUND

[0002] The working principle of lead-acid battery is to convert chemical energy into electrical energy through chemical reaction. In the discharge process, the lead dioxide of the positive electrode and the lead of the negative electrode react with sulfuric acid in the electrolyte to generate lead sulfate and release electrons. These electrons flow along the external circuit, transferring from the negative electrode to the positive electrode, forming an electric current. In the charging process, the current of external power source passes through the electrolyte, reducing lead sulfate to original lead dioxide and lead, while electrons flow from the positive electrode to the negative electrode through the external circuit, converting electrical energy into chemical energy.

[0003] The main technical performance parameters of lead-acid battery include static electromotive force, internal resistance and capacity, etc. In the prior art, during the use of lead-acid battery, an explosion-proof shell is used to load the lead-acid battery. However, the existing explosion-proof structure of lead-acid battery does not have the function of purifying toxic gases generated during explosion, which is not conducive to safe use. SUMMARY

[0004] The utility model provides a kind of explosion -proof structure of lead -acid battery, to solve the problem that the existing explosion -proof structure of lead -acid battery, when lead-acid battery explodes, mostly does not have the function of purifying toxic gases generated during explosion, which is not conducive to safe use.

[0005] The utility model is realized as follows: a kind of explosion -proof structure of lead -acid battery, including explosion -proof shell, the inner wall of the explosion -proof shell is provided with installation shell, the inside of the installation shell is provided with lead-acid battery body, the top of the lead-acid battery body is placed with pressing plate, the top of the explosion -proof shell is provided with top plate by a plurality of connecting bolts, the upper surface of the top plate is provided with vertical cylinder, the upper surface of the pressing plate is fixedly connected with vertical rod, the top end of the vertical rod extends to the inside of the vertical cylinder, and is fixedly connected with clamping block, spring is fixedly connected vertically between the upper surface of the pressing plate and the bottom of the vertical cylinder;

[0006] The upper surface of the top plate is fixedly connected with containing box covered outside vertical cylinder, another end of the surface of the containing box is communicated with connecting pipe, the inside of the containing box is fixedly connected with activated carbon plate and zeolite filling plate.

[0007] Preferably, the top of the inner wall of the installation shell is fixedly connected with the positioning plate abutting the lower surface of the pressing plate.

[0008] Preferably, the bottom of the explosion -proof shell is fixedly connected with a plurality of bottom plates, and a plurality of mounting holes are fixedly connected to the surface of the bottom plate.

[0009] Preferably, the side wall of the explosion-proof shell is provided with a through port, and the through port is internally provided with a sealing ring.

[0010] Preferably, the side wall of the explosion-proof shell is fixedly connected with a neutralizing liquid tank, a top of a side wall of the neutralizing liquid tank is communicated with an exhaust pipe, the exhaust pipe is provided with a one-way valve, and another end of the communication pipe extends to the bottom of the inner cavity of the neutralizing liquid tank.

[0011] Preferably, the inside of the neutralizing liquid tank is fixedly connected with a plurality of partition plates, and the plurality of partition plates are uniformly and spacedly arranged along the inner wall surface of the neutralizing liquid tank.

[0012] Beneficial effects

[0013] Compared with the prior art, the explosion-proof structure of the lead-acid storage battery has the beneficial effects that: the explosion-proof shell and the mounting shell can protect the lead-acid storage battery body from explosion, improve the safety of the lead-acid storage battery body during use, when the lead-acid storage battery body explodes, the impact force pushes the pressing plate to rise, extrudes the spring to shrink, and then pushes the clamping block to open, so that a gap is generated between the clamping block and the vertical cylinder, the pressure generated by the explosion is discharged, the situation that the pressure in the explosion-proof shell is too large is avoided, and in the process of pressure discharge, the activated carbon plate and the zeolite filling plate can adsorb and purify harmful substances and irritating substances in the gas, and cooperate with the communication pipe to inject the gas into the inner cavity of the neutralizing liquid tank, the neutralizing liquid in the neutralizing liquid tank can neutralize and purify the gas, purify the toxic gas generated by the explosion, and is beneficial to explosion-proof and safe use. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a front structure schematic view of the utility model;

[0015] Fig. 2 It is a front sectional structure schematic view of the utility model;

[0016] Fig. 3 It is a structure schematic view of the neutralizing liquid tank and the partition plate in the utility model.

[0017] In the drawing: 1, explosion-proof shell; 2, bottom plate; 3, mounting hole; 4, mounting shell; 5, lead-acid storage battery body; 6, positioning plate; 7, pressing plate; 8, top plate; 9, connecting bolt; 10, vertical rod; 11, vertical cylinder; 12, clamping block; 13, spring; 14, containing box; 15, activated carbon plate; 16, zeolite filling plate; 17, communication pipe; 18, neutralizing liquid tank; 19, exhaust pipe; 20, one-way valve; 21, partition plate; 22, through port; 23, sealing ring. DETAILED DESCRIPTION

[0018] In order to make the utility model purposes, technical solutions and advantages more clearly, the following will be further described in detail with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0019] Please refer to Figs. 1-3 The utility model provides a technical scheme: an explosion -proof structure of lead -acid battery, including explosion -proof shell 1, the inner wall of explosion -proof shell 1 is provided with installation shell 4, the inside of installation shell 4 is provided with lead -acid battery body 5, and the top of lead -acid battery body 5 is placed with pressing plate 7, and the top of explosion -proof shell 1 is provided with top plate 8 through a plurality of connecting bolts 9.

[0020] The upper surface of top plate 8 is provided with vertical cylinder 11, the upper surface of pressing plate 7 is fixedly connected with vertical rod 10, the top end of vertical rod 10 extends to the inside of vertical cylinder 11, and is fixedly connected with clamping block 12, and the upper surface of pressing plate 7 is fixedly connected with spring 13 between the bottom of vertical cylinder 11.

[0021] The upper surface of top plate 8 is fixedly connected with containing box 14 covered in the outside of vertical cylinder 11, another end of the surface of containing box 14 is communicated with communicating pipe 17, and the inside of containing box 14 is fixedly connected with activated carbon plate 15 and zeolite filling plate 16.

[0022] Explosion -proof shell 1 and installation shell 4 can prevent explosion of lead -acid battery body 5, improve the safety of lead -acid battery body 5 in the use process, when lead -acid battery body 5 explodes, impact force pushes pressing plate 7 to rise, extrudes spring 13 to contract, and then top plate 8 can push clamping block 12, so that gap is formed between clamping block 12 and vertical cylinder 11, the pressure generated by explosion is discharged, and the situation that the pressure in the inside of explosion -proof shell 1 is too large is avoided.

[0023] In the process of pressure relief, activated carbon plate 15 and zeolite filling plate 16 can adsorb and purify harmful substances and irritating substances in gas.

[0024] Further, the top of the inner wall of installation shell 4 is fixedly connected with positioning plate 6 abutting against the lower surface of pressing plate 7.

[0025] In the embodiment, the positioning plate 6 is convenient for limiting the placement position of the pressing plate 7, and improves the stability when the pressing plate 7 covers the positioning plate 6.

[0026] Further, the bottom of the explosion -proof shell 1 is fixedly connected with a plurality of bottom plates 2, and the surface of the bottom plate 2 is fixedly connected with a plurality of mounting holes 3.

[0027] In the embodiment, the plurality of mounting holes 3 are convenient for fixing the bottom plate 2 using bolts, and then the explosion -proof shell 1 is installed and used.

[0028] Further, the side wall of the explosion-proof shell 1 is provided with a through hole 22, and the through hole 22 is internally provided with a sealing ring 23.

[0029] In the embodiment, the surface of the pressing plate 7 is provided with a wire hole, the through hole 22 is used for connecting the power supply wire, the sealing ring 23 improves the sealing between the power supply wire and the explosion-proof shell 1, and can be filled with a sealing filler, thereby better improving the sealing.

[0030] Further, the side wall of the explosion-proof shell 1 is provided with a through hole 22, and the through hole 22 is internally provided with a sealing ring 23.

[0031] In the embodiment, the communication pipe 17 injects the gas into the inner cavity of the neutralizing liquid tank 18, and the neutralizing liquid in the neutralizing liquid tank 18 can neutralize and purify the gas, purify the toxic gas generated by explosion, and facilitate explosion safety use.

[0032] Further, the neutralizing liquid tank 18 is internally fixedly connected with a plurality of partition plates 21, and the plurality of partition plates 21 are uniformly and spacedly arranged along the inner wall surface of the neutralizing liquid tank 18.

[0033] In the embodiment, the plurality of partition plates 21 can separate the bubbles, improve the contact area of the gas and the liquid, improve the neutralization effect, and further improve the purification effect of the gas.

[0034] The working principle and use process of the utility model are as follows: after the utility model is installed, the explosion-proof shell 1 and the installation shell 4 can protect the lead-acid storage battery body 5 from explosion, improve the safety of the lead-acid storage battery body 5 during use, when the lead-acid storage battery body 5 explodes, the impact force pushes the pressing plate 7 to rise, the spring 13 is extruded and shrinks, the clamping block 12 is pushed open, a gap is formed between the clamping block 12 and the vertical cylinder 11, the pressure generated by explosion is discharged, the pressure in the explosion-proof shell 1 is prevented from being too large, in the pressure discharge process, the activated carbon plate 15 and the zeolite filling plate 16 can adsorb and purify harmful substances and irritating substances in the gas, the communication pipe 17 injects the gas into the inner cavity of the neutralizing liquid tank 18, and the neutralizing liquid in the neutralizing liquid tank 18 can neutralize and purify the gas, purify the toxic gas generated by explosion, and facilitate explosion safety use.

[0035] The above only describes the preferred embodiment of the utility model, and does not limit the utility model, any modification, equivalent replacement and improvement made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An explosion-proof structure for a lead-acid battery, comprising an explosion-proof housing (1), characterized in that: The inner wall of the explosion-proof housing (1) is provided with a mounting shell (4), and the interior of the mounting shell (4) is provided with a lead-acid battery body (5). A pressure plate (7) is placed on the top of the lead-acid battery body (5). A top plate (8) is disassembled and provided on the top of the explosion-proof housing (1) by several connecting bolts (9). A vertical cylinder (11) is provided on the upper surface of the top plate (8). A vertical rod (10) is fixedly connected to the upper surface of the pressure plate (7). The top end of the vertical rod (10) extends into the interior of the vertical cylinder (11) and is fixedly connected with a snap-fit ​​block (12). A spring (13) is vertically fixedly connected between the upper surface of the pressure plate (7) and the bottom of the vertical cylinder (11). The top plate (8) is fixedly connected to a receiving box (14) covering the outside of the vertical cylinder (11). The other end of the surface of the receiving box (14) is connected to a connecting pipe (17). The inside of the receiving box (14) is fixedly connected to an activated carbon plate (15) and a zeolite filling plate (16).

2. The explosion-proof structure of a lead-acid battery as described in claim 1, characterized in that: The top of the inner wall of the mounting shell (4) is fixedly connected to a positioning plate (6) that abuts against the lower surface of the pressure plate (7).

3. The explosion-proof structure of a lead-acid battery as described in claim 1, characterized in that: The bottom of the explosion-proof housing (1) is fixedly connected to several base plates (2), and the surface of the base plates (2) is fixedly connected to several mounting holes (3).

4. The explosion-proof structure of a lead-acid battery as described in claim 1, characterized in that: The explosion-proof housing (1) has an opening (22) on its side wall, and a sealing ring (23) is provided inside the opening (22).

5. The explosion-proof structure of a lead-acid battery as described in claim 1, characterized in that: The explosion-proof housing (1) has a neutralizing liquid tank (18) fixedly connected to its side wall. The top of the side wall of the neutralizing liquid tank (18) is connected to an exhaust pipe (19). A one-way valve (20) is provided on the exhaust pipe (19). The other end of the connecting pipe (17) extends to the bottom of the inner cavity of the neutralizing liquid tank (18).

6. The explosion-proof structure of a lead-acid battery as described in claim 5, characterized in that: The neutralizing liquid tank (18) is fixedly connected to a number of partition plates (21), and the partition plates (21) are evenly spaced along the inner wall of the neutralizing liquid tank (18).

Images