CN212810475U

CN212810475U - Safe explosion-proof lead-acid storage battery

Info

Publication number: CN212810475U
Application number: CN202021573859.9U
Authority: CN
Inventors: 吕松
Original assignee: Shenzhen Peyton Power Supply Co ltd
Current assignee: Shenzhen Peyton Power Supply Co ltd
Priority date: 2020-08-03
Filing date: 2020-08-03
Publication date: 2021-03-26
Anticipated expiration: 2030-08-03

Abstract

The embodiment of the utility model discloses safe explosion-proof lead acid battery relates to battery technical field. The utility model discloses a casing, closing cap, handle backing plate and strengthening rib, casing are the cavity structure, and the welding of casing week side has a plurality of strengthening ribs, and surface mounting has the closing cap on the casing, and the closing cap both sides all have the handle through the bolt fastening, and surface welding has the backing plate on the closing cap. The utility model can timely remove the gas generated in the using process of the storage battery through the safety valve structure, thereby avoiding the over-high internal pressure of the battery and further avoiding explosion; the reinforcing ribs, the protective frame and the support column structure reduce the influence of impact and vibration on the interior of the battery and improve the shock resistance; through backup pad and electrolyte collection box structure, avoid electrolyte to leak and lead to the emergence of conflagration and explosion, prevent to corrode internal component simultaneously.

Description

Safe explosion-proof lead-acid storage battery

Technical Field

The embodiment of the utility model provides a relate to battery technical field, concretely relates to safe explosion-proof lead acid battery.

Background

The storage battery has the advantages of low cost, stable performance, convenient use and the like, and is widely applied in daily and industrial fields. In the process of using the storage battery, gas is generated inside the storage battery, so that the internal pressure of the storage battery is continuously increased, and the storage battery is very likely to explode. Explosion of batteries in many hazardous environments can have extremely serious consequences. Therefore, the explosion-proof performance of the storage battery is an important performance index.

In the prior art, a storage battery explosion-proof cover plate is generally adopted for explosion prevention of a lead-acid storage battery, and the explosion-proof cover plate is mostly of a disposable structure, so that the cost is wasted, and the practicability is poor; most lead acid battery shock resistance and shock resistance are poor simultaneously, lead to battery case and internal component to take place to damage easily, reduce the fastness, easily explode to the battery can lead to the inside electrolyte of battery box to take place to leak when receiving vibrations and assaulting or live time when too long, can corrode internal component, spills over the external emergence that also leads to conflagration and explosion easily.

Disclosure of Invention

Therefore, the embodiment of the utility model provides a safe explosion-proof lead-acid storage battery, through the relief valve structure, in time get rid of the gas that produces in the battery use in time, avoid the battery internal pressure too high, thereby take place the explosion; the reinforcing ribs, the protective frame and the support column structure reduce the influence of impact and vibration on the interior of the battery and improve the shock resistance; through the structure of the support plate and the electrolyte collection box, the occurrence of fire and explosion caused by the leakage of electrolyte is avoided, and meanwhile, internal components are prevented from being corroded; the problems of poor explosion-proof capability, poor shock resistance and electrolyte leakage in the prior art are solved.

In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:

a safe explosion-proof lead-acid storage battery comprises a shell, a sealing cover, handle base plates and reinforcing ribs, wherein the shell is of a cavity structure, a plurality of reinforcing ribs are welded on the peripheral side face of the shell, the sealing cover is arranged on the upper surface of the shell, the handles are fixed on two sides of the sealing cover through bolts, and the base plates are welded on the upper surface of the sealing cover;

two positive posts are installed to backing plate upper surface one side, two negative pole posts are installed to backing plate upper surface opposite side, install the terminal between two positive posts and two negative pole posts, two positive posts, two negative pole posts and terminal bottom all adhere and have the sealing washer, the backing plate both ends all are provided with the relief valve, two positive posts, two negative pole posts, relief valve and terminal all run through the backing plate and the closing cap is linked together with the casing is inside.

Further, be provided with in the relief valve and strain vapour piece, sealed piece, piston, third compression spring, adjusting nut and pressure release hole, the inside cavity structure that is of relief valve, the relief valve is "L" shape structure, the relief valve includes vertical passageway and horizontal passageway, the vapour piece is strained to vertical passageway one end is installed, sealed piece is installed to horizontal passageway one end, the inside through-hole that is provided with of sealed piece, a surface welding of sealed piece has the piston, adjusting nut is installed to the horizontal passageway other end, install third compression spring between adjusting nut and piston, horizontal passageway lower surface welding has the pressure release hole, cooperate between pressure release hole and the through-hole.

Further, the inside bottom surface of casing is provided with a plurality of recesses, the recess is umbelliform structure, casing internally mounted has the bearer bar, bearer bar upper surface and a closing cap surface weld, the bearer bar lower surface is connected with the backup pad, the lower surface weld of backup pad has electrolyte to collect the box, a plurality of second compression springs are installed to the outside week side of bearer bar and casing within a definite time, the surface weld has the battery box in the backup pad, the backup pad is the step structure, the inside through-hole structure that is of backup pad, backup pad week side is provided with a plurality of water conservancy diversion holes, the backup pad is through water conservancy diversion hole and electrolyte collection box internal intercommunication.

Further, the electrolyte is collected box upper surface and is provided with the opening, cooperate between opening and the water conservancy diversion hole, the electrolyte is collected box lower surface welding and is had a plurality of support columns, cooperate between support column and the recess, the welding of support column bottom has the limiting plate, the limiting plate is installed inside the recess, the electrolyte is collected box lower surface and is installed first compression spring between the recess, first compression spring winding is on support column week side, the diameter of support column is less than the opening diameter of recess, the diameter of limiting plate is greater than the opening diameter of recess.

Further, the battery box is of a cavity structure, the upper surface of the battery box is welded with one surface of the sealing cover, a positive plate is installed on one side inside the battery box, the positive plate is matched with the positive post, a negative plate is installed on the other side inside the battery box, the negative plate is matched with the negative post, and an electrode plate group is installed between the positive plate and the negative plate.

The utility model discloses an embodiment has following advantage:

1. the utility model discloses a relief valve structure in time gets rid of the gas that produces in the battery use in time, avoids battery internal pressure too high to the explosion takes place.

2. The utility model discloses a strengthening rib, protecting frame and support column structure reduce the impact and the influence of vibrations to battery inside, improve the shock resistance.

3. The utility model discloses a box structure is collected to backup pad and electrolyte, avoids electrolyte to leak and leads to the emergence of conflagration and explosion, prevents to corrode the inner assembly simultaneously.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

Fig. 1 is a schematic structural diagram of a safe explosion-proof lead-acid battery according to an embodiment of the present invention;

fig. 2 is a schematic top view of a safety explosion-proof lead-acid battery according to an embodiment of the present invention;

fig. 3 is a schematic cross-sectional view taken along a-a in fig. 2 according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a support plate according to an embodiment of the present invention;

fig. 5 is a schematic view of an internal structure of a safety valve according to an embodiment of the present invention.

In the figure: 1. a housing; 2. sealing the cover; 3. a handle; 4. a base plate; 5. a positive post; 6. a negative pole post; 7. a terminal; 8. a safety valve; 9. reinforcing ribs; 10. a groove; 11. a support pillar; 12. a limiting plate; 13. a first compression spring; 14. a second compression spring; 15. a protective frame; 16. a support plate; 19. a flow guide hole; 20. an electrolyte collection box; 21. a battery case; 22. a positive plate; 23. A negative plate; 24. a pole plate group; 25. a steam filtering sheet; 26. a sealing block; 27. a piston; 28. a third compression spring; 29. adjusting the nut; 30. a through hole; 31. a pressure relief vent; 32. and (5) sealing rings.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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.

As shown in fig. 1-5, the utility model provides a safe explosion-proof lead-acid battery, which comprises a shell 1, a sealing cover 2, a handle 3 backing plate 4 and reinforcing ribs 9, wherein the shell 1 is of a cavity structure, a plurality of reinforcing ribs 9 are welded on the peripheral side of the shell 1, the sealing cover 2 is arranged on the upper surface of the shell 1, the handles 3 are fixed on both sides of the sealing cover 2 through bolts, and the backing plate 4 is welded on the upper surface of the sealing cover 2;

two positive posts 5 are installed to 4 upper surface one sides of backing plate, two negative pole posts 6 are installed to 4 upper surface opposite sides of backing plate, install terminal 7 between two positive posts 5 and two negative pole posts 6, two positive posts 5, two

negative pole posts

6 and 7 bottoms of terminal have all been bonded sealing

washer

32, 4 both ends of backing plate all are provided with relief valve 8, two positive posts 5, two negative pole posts 6, relief valve 8 and terminal 7 all run through backing plate 4 and closing cap 2 and the inside 1 of casing and be linked together, sealing washer 32 improve equipment's leakproofness, prevent that electrolyte from leaking, avoid the conflagration breaing out.

The safety valve 8 is arranged to function as: lead acid battery can produce gas in the use, if not in time get rid of, lead to internal pressure too big, explode easily, specially set up the device in time with gaseous getting rid of, produce gaseous can get rid of through 8 automatic relief valves when reacing certain degree, avoid exploding, simple structure saves the cost, for the above-mentioned effect of better explanation, to this specific matter as follows:

be provided with in the relief valve 8 and strain vapour piece 25, sealing block 26, piston 27, third compression spring 28, adjusting nut 29 and

pressure release hole

31, 8 inside cavity structures that are of relief valve, relief valve 8 is "L" shape structure, relief valve 8 includes vertical passageway and horizontal passageway, gas piece 25 is strained to vertical passageway one end is installed, sealing block 26 is installed to horizontal passageway one end, sealing block 26 is inside to be provided with through-hole 30, 26 a skin weld of sealing block has piston 27, adjusting nut 29 is installed to the horizontal passageway other end, install third compression spring 28 between adjusting nut 29 and piston 27, horizontal passageway lower skin weld has pressure release hole 31, cooperate between pressure release hole 31 and the through-hole 30, gas can promote piston 27 motion when reacing the certain degree, discharge through the remaining pressure release hole 31 of through-hole 30, then through third compression spring 28 automatic re-setting, guarantee the leakproofness.

The effect of providing the protection frame 15 and the electrolyte collection box 20 is: the shock resistance and the shock resistance of casing 1 are general all relatively poor, take place the damage easily, and vibrations simultaneously can lead to electrolyte to leak, and perishable internal component influences its life, sets up the impact and the vibrations that protective frame 15 and electrolyte collection box 20 buffering casing 1 received specially, collects the electrolyte of leaking simultaneously, prevents the infiltration corrosion internal component, for the above-mentioned effect of better explanation, to this specific matter as follows:

the inside bottom surface of casing 1 is provided with a plurality of recesses 10, recess 10 is the umbelliform structure, 1 internally mounted of casing has a bearer bar 15, bearer bar 15 upper surface and 2 surface welding of closing cap, bearer bar 15 lower surface is connected with

backup pad

16, 16 lower surface welding of backup pad have electrolyte to collect box 20, install a plurality of second compression spring 14 between the outside all sides of bearer bar 15 and

casing

1, 16 upper surface welding of backup pad has battery box 21, backup pad 16 is the halfpace structure, the inside through-hole structure that is of

backup pad

16, 16 all sides of backup pad are provided with a plurality of water conservancy diversion holes 19, backup pad 16 is linked together through water conservancy diversion hole 19 and electrolyte collection box 20 is inside.

The effect of providing the support column 11 and the first compression spring 13 is: the battery is in the use, and inevitable can receive and rock and vibrations, produces the damage to internal components easily to can lead to electrolyte infiltration, specially set up support column 11 and first compression spring 13 and further cushion the impact and the vibrations that the battery received, guarantee simultaneously that the battery keeps stable under the condition of rocking, for the above-mentioned effect of better explanation, to this concrete matter as follows:

the upper surface of the electrolyte collection box 20 is provided with an opening, cooperate between opening and the water

conservancy diversion hole

19, 20 lower surface welding of electrolyte collection box has a plurality of support columns 11, cooperate between support column 11 and the

recess

10, 11 bottom welding of support column have limiting plate 12, limiting plate 12 is installed inside recess 10, install first compression spring 13 between 20 lower surfaces of electrolyte collection box and recess 10, first compression spring 13 twines on 11 week sides of support column, the diameter of support column 11 is less than the opening diameter of recess 10, the diameter of limiting plate 12 is greater than the opening diameter of recess 10.

The battery box 21 is a cavity structure, the upper surface of the battery box 21 is welded with the surface of the sealing cover 2, one side inside the battery box 21 is provided with the positive plate 22, the positive plate 22 is matched with the positive post 5, the other side inside the battery box 21 is provided with the negative plate 23, the negative plate 23 is matched with the negative post 6, and the electrode plate group 24 is arranged between the positive plate 22 and the negative plate 23.

As shown in figures 1-5, the utility model provides a safe explosion-proof lead-acid battery, its method of use is: the lead-acid storage battery is moved to a proper position through the handle 3, when gas generated in the using process reaches a certain degree, the piston 27 is driven to move by extruding the sealing block 26, the gas is discharged through the through hole 30 and the pressure relief hole 31, explosion is avoided, and then the lead-acid storage battery is automatically reset through the third compression spring 28, so that the sealing performance of the device is ensured; improve lead acid battery's shock resistance through support column 11 and protecting frame 15, avoid strikeing and vibrations and cause the damage to casing 1, guarantee lead acid battery remain stable under the environment of vibrations simultaneously, prevent that electrolyte from leaking, collect box 20 through backup pad 16 and electrolyte and collect the electrolyte that box 20 will leak and collect box 20 to electrolyte, prevent that electrolyte from leaking, the conflagration of taking place easily produces the explosion, prevent to corrode internal assembly simultaneously, increase life.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The safe explosion-proof lead-acid storage battery comprises a shell (1), a sealing cover (2), a handle (3), a base plate (4) and reinforcing ribs (9), and is characterized in that the shell (1) is of a cavity structure, the side surfaces of the shell (1) are welded with the plurality of reinforcing ribs (9), the sealing cover (2) is mounted on the upper surface of the shell (1), the handles (3) are fixed on the two sides of the sealing cover (2) through bolts, and the base plate (4) is welded on the upper surface of the sealing cover (2);

two positive posts (5) are installed to backing plate (4) upper surface one side, two negative pole post (6) are installed to backing plate (4) upper surface opposite side, install terminal (7) between two positive posts (5) and two negative pole posts (6), sealing washer (32) have all been bonded to two positive posts (5), two negative pole posts (6) and terminal (7) bottom, backing plate (4) both ends all are provided with relief valve (8), two positive posts (5), two negative pole posts (6), relief valve (8) and terminal (7) all run through backing plate (4) and closing cap (2) and casing (1) inside and are linked together.

2. The safe explosion-proof lead-acid storage battery according to claim 1, characterized in that a steam filtering sheet (25), a sealing block (26), a piston (27), a third compression spring (28), an adjusting nut (29) and a pressure relief hole (31) are arranged in the safety valve (8), the inside of the safety valve (8) is of a cavity structure, the safety valve (8) is of an L-shaped structure, the safety valve (8) comprises a vertical channel and a horizontal channel, the steam filtering sheet (25) is arranged at one end of the vertical channel, the sealing block (26) is arranged at one end of the horizontal channel, a through hole (30) is arranged in the sealing block (26), the piston (27) is welded on one surface of the sealing block (26), the adjusting nut (29) is arranged at the other end of the horizontal channel, the third compression spring (28) is arranged between the adjusting nut (29) and the piston (27), the lower surface of the horizontal channel is welded with a pressure relief hole (31), and the pressure relief hole (31) is matched with the through hole (30).

3. The safe explosion-proof lead-acid storage battery according to claim 1, characterized in that a plurality of grooves (10) are arranged on the bottom surface inside the casing (1), the grooves (10) are of an umbrella-shaped structure, a protection frame (15) is arranged inside the casing (1), the upper surface of the protection frame (15) is welded with the surface of the cover (2), a support plate (16) is connected to the lower surface of the protection frame (15), an electrolyte collection box (20) is welded on the lower surface of the support plate (16), a plurality of second compression springs (14) are arranged between the outer peripheral side surface of the protection frame (15) and the casing (1), a storage battery box (21) is welded on the upper surface of the support plate (16), the support plate (16) is of a step structure, a through hole structure is arranged inside the support plate (16), and a plurality of flow guide holes (19) are arranged on the peripheral side surface of the support, the support plate (16) is communicated with the inside of the electrolyte collection box (20) through a diversion hole (19).

4. A safety explosion-proof lead-acid battery according to claim 3, characterized in that the electrolyte collection box (20) is provided with an opening on its upper surface, the opening is matched with the flow guide hole (19), a plurality of support columns (11) are welded on the lower surface of the electrolyte collection box (20), the supporting columns (11) are matched with the grooves (10), the bottom ends of the supporting columns (11) are welded with limiting plates (12), the limiting plate (12) is arranged in the groove (10), a first compression spring (13) is arranged between the lower surface of the electrolyte collecting box (20) and the groove (10), the first compression spring (13) is wound on the peripheral side surface of the support column (11), the diameter of the supporting column (11) is smaller than the opening diameter of the groove (10), and the diameter of the limiting plate (12) is larger than the opening diameter of the groove (10).

5. A safety explosion-proof lead-acid battery according to claim 3, characterized in that the battery box (21) is a cavity structure, the upper surface of the battery box (21) is welded with one surface of the cover (2), one side of the battery box (21) is provided with a positive plate (22), the positive plate (22) is matched with the positive post (5), the other side of the battery box (21) is provided with a negative plate (23), the negative plate (23) is matched with the negative post (6), and an electrode plate group (24) is arranged between the positive plate (22) and the negative plate (23).