Maintenance-free lead-acid storage battery with exhaust device

Abstract

The invention discloses a maintenance-free lead-acid storage battery with an exhaust device, and relates to the technical field of exhaust of lead-acid storage batteries, the maintenance-free lead-acid storage battery comprises a lead-acid storage battery body, an air outlet connecting pipe, a connecting threaded sleeve and an exhaust filtering assembly, the air outlet connecting pipe is arranged on the outer wall of the top of the lead-acid storage battery body, and the connecting threaded sleeve is arranged on the outer wall of one end of the top of the air outlet connecting pipe; according to the lead-acid storage battery, pressure gas in the lead-acid storage battery can be conveniently and rapidly exhausted through the exhaust filtering assembly, and the hidden danger of explosion caused by bulging due to the fact that the internal pressure of the lead-acid storage battery is increased is avoided; and harmful acid mist gas with pressure in the lead-acid storage battery can be simultaneously exhausted and filtered, so that metal parts of the battery are prevented from being corroded by the acid mist.

Description

Technical Field

[0001] The present invention relates to the technical field of lead-acid battery exhaust, and specifically provides a maintenance-free lead-acid battery with an exhaust device. Background Art

[0002] The gas discharged from lead-acid batteries often carries acid mist, which is highly corrosive. If directly discharged, it will corrode the metal components of the battery itself, such as electrodes, terminals, etc., resulting in an increase in contact resistance, affecting the battery performance and lifespan. Moreover, the pressure gas inside most lead-acid batteries cannot be quickly exhausted, avoiding the risk of explosion caused by the increase in internal pressure of lead-acid batteries and resulting in bulging, causing safety risks. For example, the prior art with the application number CN221574006U provides a maintenance-free lead-acid battery with an exhaust device, which includes a lead-acid battery, and an exhaust device is installed on the outer surface of the lead-acid battery. The exhaust device includes a ventilation unit, a protection unit, and a fixing unit. The ventilation unit is installed on the outer surface of the lead-acid battery, the protection unit is installed on the outer surface of the lead-acid battery, and the fixing unit is installed on the outer surface of the lead-acid battery. For this maintenance-free lead-acid battery with an exhaust device, through the protection unit, the flip protection cover is flipped, and the protection cover rotates around the rotation axis inside the flip groove to protect the lead-acid battery inside the protection housing. Through the ventilation unit, the ventilation component is started, and the ventilation component discharges the air inside the lead-acid battery through the ventilation grille inside the ventilation groove, discharging the gas inside the protection housing to the outside of the protection housing, achieving the heat dissipation effect of the lead-acid battery. From the actual use of the above prior art, it is known that it mainly realizes the protection of lead-acid batteries and the heat dissipation of lead-acid batteries through the exhaust device. However, it is found in use that it cannot quickly exhaust the pressure gas inside the lead-acid battery, avoiding the risk of explosion caused by the increase in internal pressure of the lead-acid battery and resulting in bulging, and it is not conducive to filtering the harmful acid mist gas of the internal pressure of the lead-acid battery for simultaneous exhaust, avoiding the corrosion of the metal components of the battery itself by acid mist. Therefore, according to the actual use situation, the above prior art is improved. Summary of the Invention

[0003] The purpose of this part is to outline some aspects of the embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this part, as well as in the abstract and title of the present application, to avoid obscuring the purpose of this part, the abstract, and the title. However, such simplifications or omissions cannot be used to limit the scope of the present invention.

[0004] In view of the above and / or problems existing in the prior art, the present invention is proposed.

[0005] To achieve the above purpose, the present invention provides the following technical solutions: A maintenance-free lead-acid battery with an exhaust device, comprising a lead-acid battery body, an air outlet connecting pipe, a connecting threaded sleeve and an exhaust filtering component; An air outlet connecting pipe is arranged on the outer wall of the top of the lead-acid battery body. A connecting threaded sleeve is arranged on the outer wall of one end of the top of the air outlet connecting pipe. An exhaust filtering component is threadedly connected to the inner wall of the execution end of the connecting threaded sleeve.

[0006] Furthermore: The exhaust filtering component includes a through-connection pipe threadedly connected to the execution end of the inner wall of the connecting threaded sleeve. A round-face hollow sleeve is arranged on the outer wall of one end of the top of the through-connection pipe. A pushing round rod is slidably connected to one end of the side wall of the top of the round-face hollow sleeve. The bottom end of the pushing round rod extends to the bottom of the inner cavity of the round-face hollow sleeve. And a spring is installed at the top of the inner cavity of the round-face hollow sleeve. A butting round block is arranged at the bottom of the spring. Both sides of the butting round block are embedded in the bottom end of the pushing round rod. And a conical piston block is arranged on the outer wall of the bottom end of the pushing round rod adjacent to the butting round block. And two groups of filtering components with the same structure are symmetrically arranged on both outer walls of the round-face hollow sleeve. And a pulling block is arranged on the outer wall of one end of the top of the pushing round rod.

[0007] Furthermore: The round-face hollow sleeve includes two groups of square exhaust ports with the same structure symmetrically arranged on both outer walls adjacent to one side of the filtering component.

[0008] Furthermore: The filtering component includes an inclined hollowed-out plate on the outer wall adjacent to one side of the square exhaust port. Two groups of fixing screws with the same structure are symmetrically arranged at both ends of the inclined hollowed-out plate. One end of each of the two groups of fixing screws is threadedly connected to the outer wall of the round-face hollow sleeve. And an activated carbon filtering layer is arranged in the interval between the two hollowed-out sides of the inclined hollowed-out plate.

[0009] Furthermore: The conical piston block includes a round-face limiting block arranged on the outer wall of one end of the top.

[0010] Furthermore: The through-connection pipe includes a threaded groove opened on the outer wall of the bottom and matching with the connecting threaded sleeve.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows: The exhaust filtering component of the present invention facilitates the rapid exhaust of the pressure gas inside the lead-acid battery, avoiding the potential explosion hazard caused by the bulging due to the increase in the internal pressure of the lead-acid battery. Moreover, it is beneficial to filter the harmful acid mist gas in the internal pressure of the lead-acid battery during exhaust at the same time, avoiding the corrosion of the metal components of the battery itself by the acid mist. Among them, when the pressure gas inside the lead-acid battery body increases, the pressure gas first enters the through-connection pipe with a connection thread sleeve provided on the outer wall at one end of the top and a matching execution end on the inner wall of the connection thread sleeve through the air outlet connection pipe. The excessive pressure gas will push the push round rod, and a conical piston block is provided on the outer wall at one end adjacent to the bottom of the abutting round surface block, and it automatically moves upward in the inner cavity of the round surface hollow sleeve. And a push round rod is slidably connected to one end of the top side wall of the round surface hollow sleeve for upward sliding support and subsequent manual pulling exhaust by the worker. Since both sides of the abutting round surface block are embedded in the bottom end of the push round rod, and at the same time when the abutting round surface block automatically moves upward in the inner cavity of the round surface hollow sleeve, the abutting round surface block squeezes the spring installed at the top of the inner cavity of the round surface hollow sleeve, so that the conical piston block moves upward to the position of the two groups of square exhaust ports with the same structure symmetrically arranged on both outer walls adjacent to one side of the filter element of the round surface hollow sleeve, enabling the excessive pressure gas to enter the inner cavity of the round surface hollow sleeve. The excessive pressure gas will flow into the square exhaust ports, and is filtered and discharged through the activated carbon filter layer arranged in the interval between the two sides of the inclined hollow plate. The activated carbon has a huge specific surface area and a rich microporous structure, and has an adsorption effect on the harmful gases and some acid mist particles in the acid mist, facilitating the rapid exhaust of the pressure gas inside the lead-acid battery, avoiding the potential explosion hazard caused by the bulging due to the increase in the internal pressure of the lead-acid battery, and being beneficial to filtering the harmful acid mist gas in the internal pressure of the lead-acid battery during exhaust at the same time, avoiding the corrosion of the metal components of the battery itself by the acid mist. When the pressure gas inside the lead-acid battery body is normal, the spring rebounds to push the conical piston block to reset, and the through-connection pipe includes a thread groove opened on the outer wall of the bottom that matches the connection thread sleeve, facilitating the quick disassembly and replacement of the exhaust filtering component.

[0012] Other features and advantages of the present application will be described in the subsequent specification, and part of them will become obvious from the specification or be understood by implementing the present application. The objectives and other advantages of the present application can be achieved and obtained through the structures specifically pointed out in the written specification and the accompanying drawings.

[0013] The technical solutions of the present application will be further described in detail below through the accompanying drawings and embodiments. Description of the Drawings

[0014] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0015] Figure 1 It is a schematic structural diagram of the present invention; Figure 2 It is a schematic cross-sectional view of the exhaust gas filtering assembly of the present invention; Figure 3 It is a schematic cross-sectional view of the exhaust gas filtering assembly of the present invention.

[0016] In the figure: 1. Lead-acid battery body; 2. Air outlet connecting pipe; 3. Exhaust gas filtering assembly; 31. Through connecting pipe; 311. Thread groove; 32. Circular surface hollow sleeve; 321. Square exhaust port; 33. Pulling block; 34. Pushing round rod; 35. Spring; 36. Abutting circular surface block; 37. Conical piston block; 371. Circular surface limiting block; 38. Filter element; 381. Oblique-shaped hollowed-out plate; 382. Fixed screw; 383. Activated carbon filtering layer; 4. Connecting thread sleeve. Detailed implementation manners

[0017] To make the above objects, features, and advantages of the present invention more obvious and understandable, the following will make a detailed description of the specific implementation manners of the present invention with reference to the drawings in the specification.

[0018] Many specific details are set forth in the following description to facilitate a thorough understanding of the present invention. However, the present invention can also be implemented in other ways different from those described herein. Those skilled in the art can make similar generalizations without departing from the connotation of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed below.

[0019] Secondly, the present invention will be described in detail with reference to the schematic diagrams. When detailing the embodiments of the present invention, for the convenience of description, the cross-sectional views showing the device structure will be enlarged locally out of the general scale, and the schematic diagrams are only examples and should not limit the scope of protection of the present invention herein. In addition, in actual production, three-dimensional spatial dimensions including length, width, and depth should be included.

[0020] Furthermore, the so-called "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that can be included in at least one implementation manner of the present invention. The "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it an individual or selectively exclusive embodiment with other embodiments.

[0021] Please refer to Figures 1 - 3, the present invention provides a technical solution: a maintenance-free lead-acid battery with an exhaust device, including a lead-acid battery body 1, an air outlet connecting pipe 2, a connecting threaded sleeve 4, and an exhaust filtering component 3; An air outlet connecting pipe 2 is provided on the outer wall of the top of the lead-acid battery body 1. A connecting threaded sleeve 4 is provided on the outer wall of one end of the top of the air outlet connecting pipe 2. The inner wall of the connecting threaded sleeve 4 is threadedly connected to the execution end of the exhaust filtering component 3. Through the exhaust filtering component 3, it is convenient to quickly exhaust the pressure gas inside the lead-acid battery, avoid the explosion hazard caused by the increase in the internal pressure of the lead-acid battery resulting in bulging, and is beneficial to filter the harmful acid mist gas of the internal pressure of the lead-acid battery during simultaneous exhaust, avoiding the corrosion of the metal components of the battery itself by the acid mist.

[0022] Among them, preferably, the exhaust filtering component 3 includes a through-connection pipe 31 threadedly connected to the execution end of the inner wall of the connecting threaded sleeve 4 and matching it. A circular surface hollow sleeve 32 is provided on the outer wall of one end of the top of the through-connection pipe 31. A push round rod 34 is slidably connected to one end of the side wall of the top of the circular surface hollow sleeve 32. The bottom end of the push round rod 34 extends to the bottom of the inner cavity of the circular surface hollow sleeve 32. A spring 35 is installed at the top of the inner cavity of the circular surface hollow sleeve 32. A contact circular surface block 36 is provided at the bottom of the spring 35. Both sides of the contact circular surface block 36 are embedded in the bottom end of the push round rod 34. And a conical piston block 37 is provided on the outer wall of the push round rod 34 adjacent to the bottom end of the contact circular surface block 36. And two groups of the same structure of filtering components 38 are symmetrically provided on the outer walls of both sides of the circular surface hollow sleeve 32. And a pulling block 33 is provided on the outer wall of one end of the top of the push round rod 34. When the pressure gas inside the lead-acid battery body 1 increases, the pressure gas first enters the through-connection pipe 31 provided on the outer wall of one end of the top and matching the inner wall of the connecting threaded sleeve 4 and the connecting threaded sleeve 4 through the air outlet connecting pipe 2. The excessive pressure gas will push the conical piston block 37 provided on the outer wall of the push round rod 34 adjacent to the bottom end of the contact circular surface block 36 to automatically move upward in the inner cavity of the circular surface hollow sleeve 32. And the push round rod 34 slidably connected to one end of the side wall of the top of the circular surface hollow sleeve 32 provides upward sliding support and subsequent manual pulling exhaust by workers. Because both sides of the contact circular surface block 36 are embedded in the bottom end of the push round rod 34, and at the same time when the contact circular surface block 36 automatically moves upward in the inner cavity of the circular surface hollow sleeve 32, the contact circular surface block 36 squeezes the spring 35 installed at the top of the inner cavity of the circular surface hollow sleeve 32, so that the conical piston block 37 moves upward to the position of two groups of the same structure of square exhaust ports 321 symmetrically arranged on both sides of the circular surface hollow sleeve 32 adjacent to one side of the filtering component 38, so that the excessive pressure gas enters the inner cavity of the circular surface hollow sleeve 32.

[0023] Preferably, the circular hollow sleeve 32 includes two sets of square exhaust ports 321 with the same structure symmetrically arranged on the outer walls on both sides adjacent to one side of the filter element 38. Through the square exhaust ports 321, it is convenient to guide excessive pressure gas to the filter element 38.

[0024] Preferably, the filter element 38 includes an inclined hollow plate 381 on the outer wall adjacent to one side of the square exhaust port 321. Two sets of fixing screws 382 with the same structure are symmetrically arranged at both ends of the inclined hollow plate 381. One end of each of the two sets of fixing screws 382 is threadedly connected to the outer wall of the circular hollow sleeve 32. And an activated carbon filter layer 383 is arranged in the space between the two sides of the inclined hollow plate 381. The exhaust gas is filtered and discharged through the activated carbon filter layer 383 arranged in the space between the two sides of the inclined hollow plate 381. The activated carbon has a large specific surface area and a rich microporous structure, and has an adsorption effect on harmful gases and some acid mist particles in the acid mist, which is convenient for the pressure gas inside the lead-acid battery to exhaust quickly, avoids the explosion hazard caused by the bulge due to the increase in the internal pressure of the lead-acid battery, and is beneficial to the filtration of the harmful acid mist gas of the internal pressure of the lead-acid battery for simultaneous exhaust, and avoids the acid mist from corroding the metal components of the battery itself.

[0025] Preferably, the conical piston block 37 includes a circular surface limiting block 371 arranged on the outer wall at one end of the top. Through the circular surface limiting block 371, it is convenient for the conical piston block 37 to disengage from the inner cavity of the circular hollow sleeve 32.

[0026] Preferably, the through-connection pipe 31 includes a thread groove 311 opened on the outer wall at the bottom and matching with the connection thread sleeve 4. Through the thread groove 311 opened on the outer wall at the bottom of the through-connection pipe 31 and matching with the connection thread sleeve 4, it is convenient to quickly disassemble and replace the exhaust filtration component 3.

[0027] Embodiment: When starting work, when the pressure gas inside the lead-acid battery body 1 increases, the pressure gas first enters the through-connection pipe 31 with a connection thread sleeve 4 provided on the outer wall at one end of the top and a matching execution end on the inner wall of the connection thread sleeve 4 through the air outlet connection pipe 2. The excessive pressure gas will push the push round rod 34, and a conical piston block 37 is provided on the outer wall at one end adjacent to the bottom of the abutting round surface block 36 to automatically move upward in the inner cavity of the round surface hollow sleeve 32. And a push round rod 34 is slidably connected to one end of the top side wall of the round surface hollow sleeve 32 for upward sliding support and subsequent manual pulling exhaust by the worker. Since both sides of the abutting round surface block 36 are embedded in one end of the bottom of the push round rod 34, and at the same time when the abutting round surface block 36 automatically moves upward in the inner cavity of the round surface hollow sleeve 32, the abutting round surface block 36 squeezes the spring 35 installed at the top of the inner cavity of the round surface hollow sleeve 32, so that the conical piston block 37 moves upward to the position of the two groups of square exhaust ports 321 with the same structure symmetrically arranged on both outer walls adjacent to one side of the filter element 38 of the round surface hollow sleeve 32, enabling the excessive pressure gas to enter the inner cavity of the round surface hollow sleeve 32. The excessive pressure gas will flow into the square exhaust ports 321, and is filtered and discharged through the activated carbon filter layer 383 provided in the spaced slits on both sides of the inclined hollow plate 381. The activated carbon has a huge specific surface area and a rich microporous structure, and has an adsorption effect on the harmful gases and some acid mist particles in the acid mist, facilitating the rapid exhaust of the pressure gas inside the lead-acid battery, avoiding the explosion hazard caused by the bulging due to the increase in the internal pressure of the lead-acid battery, and being beneficial to the filtration of the harmful acid mist gas in the internal pressure of the lead-acid battery for simultaneous exhaust, avoiding the corrosion of the metal components of the battery itself by the acid mist. When the pressure gas inside the lead-acid battery body 1 is normal, the spring 35 rebounds to push the conical piston block 37 to reset, and the through-connection pipe 31 includes a thread groove 311 provided on the outer wall of the bottom and matching the connection thread sleeve 4 for convenient and quick disassembly and replacement of the exhaust filtration assembly 3.

[0028] It should be understood that in the development process of any actual implementation, such as in any engineering or design project, a large number of specific implementation decisions can be made. Such development efforts may be complex and time-consuming, but for those ordinary technical personnel who benefit from this disclosure, without excessive experimentation, the development efforts will be a routine work of design, manufacturing and production.

[0029] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention, and they should all be covered within the scope of the claims of the present invention.

Claims

1. A maintenance-free lead-acid battery with an exhaust device, characterized in that: It includes a lead-acid battery body (1), an air outlet connecting pipe (2), a connecting threaded sleeve (4), and an exhaust filtering component (3); An air outlet connecting pipe (2) is provided on the outer wall of the top of the lead-acid battery body (1). A connecting threaded sleeve (4) is provided on the outer wall of one end of the top of the air outlet connecting pipe (2). The exhaust filtering component (3) is threadedly connected to the inner wall execution end of the connecting threaded sleeve (4).

2. The maintenance-free lead-acid battery with an exhaust device according to claim 1, wherein: The exhaust filtering component (3) includes a through-connecting pipe (31) threadedly connected to match the inner wall execution end of the connecting threaded sleeve (4). A round surface hollow sleeve (32) is provided on the outer wall of one end of the top of the through-connecting pipe (31). A push round rod (34) is slidably connected to one end of the side wall of the top of the round surface hollow sleeve (32). The bottom end of the push round rod (34) extends to the bottom of the inner cavity of the round surface hollow sleeve (32). A spring (35) is installed at the top of the inner cavity of the round surface hollow sleeve (32). A butting round surface block (36) is provided at the bottom of the spring (35). Both sides of the butting round surface block (36) are embedded in the bottom end of the push round rod (34). A conical piston block (37) is provided on the outer wall of the bottom end of the push round rod (34) adjacent to the butting round surface block (36). Two groups of the same structure of filtering elements (38) are symmetrically provided on the outer walls on both sides of the round surface hollow sleeve (32). A pulling block (33) is provided on the outer wall of one end of the top of the push round rod (34).

3. The maintenance-free lead-acid battery with an exhaust device according to claim 2, characterized in that: The round surface hollow sleeve (32) includes two groups of the same structure of square exhaust ports (321) symmetrically opened on the outer walls on both sides adjacent to the filtering element (38).

4. The maintenance-free lead-acid battery with an exhaust device according to claim 2, characterized in that: The filtering element (38) includes an inclined hollowed-out plate (381) on the outer wall adjacent to one side of the square exhaust port (321). Two groups of the same structure of fixing screw rods (382) are symmetrically provided at both ends of the inclined hollowed-out plate (381). One end of each of the two groups of fixing screw rods (382) is threadedly connected to the outer wall of the round surface hollow sleeve (32). An activated carbon filtering layer (383) is provided in the interval between the two sides of the inclined hollowed-out plate (381).

5. The maintenance-free lead-acid battery with an exhaust device according to claim 2, characterized in that: The conical piston block (37) includes a round surface limiting block (371) provided on the outer wall of one end of the top.

6. The maintenance-free lead-acid battery with an exhaust device according to claim 2, characterized in that: The through-connecting pipe (31) includes a threaded groove (311) opened on the outer wall of the bottom and matching the connecting threaded sleeve (4).

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