CN217139043U

CN217139043U - Dry powder valve with leakage-proof structure for fire extinguisher

Info

Publication number: CN217139043U
Application number: CN202221180645.4U
Authority: CN
Inventors: 沈燕
Original assignee: Yuyao Feiyan Valve Industrial Co ltd
Current assignee: Yuyao Feiyan Valve Industrial Co ltd
Priority date: 2022-05-17
Filing date: 2022-05-17
Publication date: 2022-08-09
Anticipated expiration: 2032-05-17

Abstract

The utility model discloses a dry powder valve that is used for fire extinguisher to have and prevents leaking structure, prevent leaking structure, inside closing mechanism and spout piston mechanism including the reinforcement, the inside of reinforcing and preventing leaking the structure is provided with inside closing mechanism, and just reinforces one side of preventing leaking the structure and is provided with spout piston mechanism. This a dry powder valve that is used for fire extinguisher to have leak-proof structure, in the arrangement process of this valve, through the fixed connection between base and the valve body, let and be the integral type structure between valve body and the base, avoid the structural defect that the concatenation preparation led to the fact, increase the whole inside wholeness of valve, and receiving slight impact and this fire extinguisher placement in-process, its base bottom adopt and tank top cap between welded fastening's mode, avoid traditional threaded connection form, make its whole valve form a whole with the fire extinguisher, reduce because connect unstable and the phenomenon of revealing that appears and the potential safety hazard that exists, promote fire extinguisher deposit and safe in utilization.

Description

Dry powder valve with leakage-proof structure for fire extinguisher

Technical Field

The utility model relates to a fire extinguisher technical field specifically is a dry powder valve that is used for fire extinguisher to have leak protection structure.

Background

The fire extinguisher is a portable fire extinguishing tool, chemical articles are placed in the fire extinguisher for rescuing and extinguishing fire, the fire extinguisher is one of common fire-proof facilities, the fire extinguisher is stored in public places or places where fire possibly occurs, the components filled in different types of fire extinguishers are different and are specially designed for different fire disasters, the fire extinguisher is required to be noticed so as to avoid generating adverse effects and causing dangers during use, and the dry powder valve is a valve component arranged at the top end of the fire extinguisher so as to play a role in safe use.

At present, fire extinguisher valves on the market are used, because the bottom ends of most fire extinguisher valves are fixedly connected with a fire extinguisher tank in a threaded mode, when accidents such as accidental collision occur, the situation that dry powder leaks from the inside due to the fact that threaded connection at the bottom is not tight can exist, and potential safety hazards exist in use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dry powder valve that is used for fire extinguisher to have leak protection structure to solve the fire extinguisher valve in use who proposes among the above-mentioned background art, because most fire extinguisher valve bottom department all adopts screw thread formula and fire extinguisher jar to be connected fixedly, when receiving accidents such as accidental collision, probably there is the inside dry powder condition of leaking that causes because bottom threaded connection is inseparable, has the problem of using the potential safety hazard.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a dry powder valve that is used for fire extinguisher to have and prevents leaking structure, is including consolidating and prevents leaking structure, inside closing mechanism and spout piston mechanism, consolidate and prevent leaking the inside of structure and be provided with inside closing mechanism, and consolidate and prevent leaking one side of structure and be provided with spout piston mechanism, consolidate and prevent leaking the structure and include valve body, clamp plate, pull ring hole, connecting axle, base, tank deck lid and welded joint, and the top of valve body is provided with the clamp plate, the pull ring hole has been seted up to the both sides of clamp plate inside, and the one end of clamp plate is provided with the connecting axle, the bottom of valve body is provided with the base, and the bottom of base is provided with the tank deck lid, the bottom of tank deck lid is laminated all around and has the welded joint.

Furthermore, the base and the tank top cover are connected in a welding mode, and the base and the valve body are fixedly connected.

Furthermore, the pressing plate and the valve body form a rotating structure through a connecting shaft, and the pull ring holes are distributed on two sides of the pressing plate and the valve body.

Furthermore, the internal sealing mechanism comprises a valve cavity, a pressure rod, a valve core, a spring and a sealing rubber ring, the pressure rod is arranged in the valve cavity, the valve core is arranged at the bottom end of the pressure rod, the spring is arranged at the bottom end of the valve core, and the sealing rubber ring is arranged around the valve core.

Furthermore, the pressure lever, the sealing rubber ring and the valve core are fixedly connected, and the valve core and the valve cavity form an elastic structure through a spring.

Furthermore, the nozzle piston mechanism comprises a piston, an anti-skid groove, a thread wall and a plug glue, the anti-skid groove is formed in the peripheral outer wall of the piston, the thread wall is distributed on the periphery of the bottom end of the piston, and the plug glue is arranged at the bottom end of the thread wall.

Furthermore, the plug rubber is fixedly connected with the thread wall, and the piston forms a thread structure with the reinforcing and anti-leakage structure through the thread wall.

Compared with the prior art, the beneficial effects of the utility model are that: this a dry powder valve that is used for fire extinguisher to have leak-proof structure, in the arrangement process of this valve, through the fixed connection between base and the valve body, let and be the integral type structure between valve body and the base, avoid the structural defect that the concatenation preparation led to the fact, increase the whole inside wholeness of valve, and receiving slight impact and this fire extinguisher placement in-process, its base bottom adopt and tank top cap between welded fastening's mode, avoid traditional threaded connection form, make its whole valve form a whole with the fire extinguisher, reduce because connect unstable and the phenomenon of revealing that appears and the potential safety hazard that exists, promote fire extinguisher deposit and safe in utilization.

And when using this fire extinguisher, only need through the pull ring hole of distributing in clamp plate, valve body both sides, extract its pull ring that spreads into, thereby can pass through the revolution mechanic that connecting axle and valve body constitute through the clamp plate, grip valve body one side and clamp plate and push down the safe handling that realizes the fire extinguisher, cooperate the integral type welded structure of bottom, let the fire extinguisher give more relieved in the use.

In the valve body, the valve core is fixedly connected with the pressure rod and the sealing rubber rings, when a pressure plate on one side of the valve body is pressed, the pressure rod is linked and pressed down through the pressure plate, the valve core is matched with an elastic structure formed by a spring and a valve cavity, the valve core is descended to release dry powder in the bottom end, and the sealing rubber rings are arranged around the valve core in a non-use state, so that the valve cavity can be internally tested to reinforce the laminating effect, the internal sealing effect is improved, and the internal leakage phenomenon is avoided.

The piston that sets up in the spout of one side of this valve, inside its cooperation screw thread wall was fixed in the spout, played the spout and sealed the effect, avoided the foreign matter to get into to influence in the valve and use, and with between the screw thread wall fixed connection's stopper glue then play the reinforcing action of sealing to the spout inner wall, prevent that inside gas and dry powder from leaking and influencing safe handling, when the fire extinguisher that needs use this valve to settle, need in advance with the piston rotation unscrew both can use.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a schematic side structure diagram of the nozzle piston mechanism of the present invention.

In the figure: 1. reinforcing the leakage-proof structure; 101. a valve body; 102. pressing a plate; 103. a pull ring hole; 104. a connecting shaft; 105. a base; 106. a tank top cover; 107. welding a seam; 2. an internal closure mechanism; 201. a valve cavity; 202. a pressure lever; 203. a valve core; 204. a spring; 205. sealing the rubber ring; 3. a spout piston mechanism; 301. a piston; 302. an anti-slip groove; 303. a threaded wall; 304. and (6) plugging glue.

Detailed Description

As shown in fig. 1, a dry powder valve for a fire extinguisher with a leakage prevention structure includes: reinforcing the leakage-proof structure 1; the reinforced anti-leakage structure 1 is internally provided with an internal sealing mechanism 2, one side of the reinforced anti-leakage structure 1 is provided with a nozzle piston mechanism 3, the reinforced anti-leakage structure 1 comprises a valve body 101, a pressure plate 102, a pull ring hole 103, a connecting shaft 104, a base 105, a tank top cover 106 and a welding seam 107, the top end of the valve body 101 is provided with the pressure plate 102, the pull ring hole 103 is arranged inside two sides of the pressure plate 102, one end of the pressure plate 102 is provided with the connecting shaft 104, the bottom end of the valve body 101 is provided with the base 105, the bottom end of the base 105 is provided with the tank top cover 106, the welding seam 107 is attached around the bottom end of the tank top cover 106, the base 105 is in welding connection with the tank top cover 106, the base 105 is in fixed connection with the valve body 101, in the installation process of the valve, the valve body 101 and the base 105 are fixedly connected, the valve body 101 and the base 105 are in an integral structure, and the structural defects caused by splicing manufacture are avoided, the integral inside of the valve is increased, in the process of slight collision and placement of the fire extinguisher, the bottom end of the base 105 is welded and fixed with the tank top cover 106, the traditional threaded connection mode is avoided, the integral valve and the fire extinguisher form a whole, the leakage phenomenon and the potential safety hazard caused by unstable connection are reduced, the reserve and the use safety of the fire extinguisher are improved, the pressure plate 102 and the valve body 101 form a rotating structure through the connecting shaft 104, and the pull ring holes 103 are distributed on two sides of the pressure plate 102 and the valve body 101, when the fire extinguisher is used, the pull ring introduced into the pressure plate 102 and the valve body 101 is pulled out only through the pull ring holes 103 distributed on the pressure plate 102 and the two sides of the valve body 101, the rotating structure formed by the pressure plate 102 and the connecting shaft 104 can be used for holding one side of the valve body 101 and the pressure plate 102 to be pressed down so as to realize the safe use of the fire extinguisher, the integral welding structure of the bottom is matched, the fire extinguisher is more relieved in the using process.

As shown in fig. 2, an internal closing mechanism 2 of a dry powder valve with a leakage-proof structure for a fire extinguisher comprises a valve chamber 201, a pressure rod 202, a valve core 203, a spring 204 and a sealing rubber ring 205, wherein the pressure rod 202 is arranged inside the valve chamber 201, the valve core 203 is arranged at the bottom end of the pressure rod 202, the spring 204 is arranged at the bottom end of the valve core 203, the sealing rubber ring 205 is arranged around the valve core 203, the pressure rod 202, the sealing rubber ring 205 and the valve core 203 are fixedly connected, the valve core 203 and the valve chamber 201 form an elastic structure through the spring 204, the valve core 203 is fixedly connected with the pressure rod 202 and the sealing rubber ring 205 inside the valve body 101, when a pressure plate 102 at one side of the valve body 101 is pressed, the pressure rod 202 is pressed down in a linkage manner through the pressure plate 102, the valve core 203 is matched with the elastic structure formed by the spring 204 and the valve chamber 201, so that the valve core 203 is lowered to release dry powder inside the bottom end, and in an unused state, all be provided with sealed rubber ring 205 around its case 203, can strengthen the laminating effect to valve pocket 201 inside survey all around, promote inside closed effect, avoid inside to reveal the phenomenon.

As shown in figure 3, a dry powder valve with a leakage-proof structure for a fire extinguisher, a nozzle piston mechanism 3 comprises a piston 301, an anti-slip groove 302, a thread wall 303 and a plug glue 304, the anti-slip groove 302 is arranged on the peripheral outer wall of the piston 301, the thread wall 303 is distributed on the periphery of the bottom end of the piston 301, the plug glue 304 is arranged on the bottom end of the thread wall 303, the plug glue 304 is fixedly connected with the thread wall 303, the piston 301 forms a thread structure with a reinforced leakage-proof structure 1 through the thread wall 303, the piston 301 arranged in a nozzle at one side of the valve is fixed in the nozzle by matching with the thread wall 303 to play a nozzle sealing effect and prevent external substances from entering the valve to affect use, the plug glue 304 fixedly connected with the thread wall 303 plays a role in sealing and reinforcing the inner wall of the nozzle to prevent internal gas and dry powder from leaking to affect safe use, when the fire extinguisher arranged by the valve is needed, the piston 301 needs to be unscrewed in advance for use.

To sum up, when the dry powder valve with the anti-leakage structure for the fire extinguisher is used, firstly, in the installation process of the valve, the valve body 101 and the valve body 101 are in an integral structure through the fixed connection between the base 105 and the valve body 101, the structural defect caused by splicing manufacture is avoided, the integral internal integrity of the valve is increased, when the fire extinguisher is slightly collided and placed, the bottom end of the base 105 is welded and fixed with the tank top cover 106, the traditional threaded connection mode is avoided, the integral valve and the fire extinguisher form an integral body, the leakage phenomenon and the potential safety hazard caused by unstable connection are reduced, the storage and the use safety of the fire extinguisher are improved, and when the fire extinguisher is used, the pull ring holes 103 distributed on the two sides of the pressure plate 102 and the valve body 101 are only needed to be pulled out through the pull ring transmitted into the pressure plate 102 through the connecting shaft 104 and the rotating structure formed by the valve body 101, the fire extinguisher is held on one side of the valve body 101 and the pressure plate 102 to be pressed down so as to realize the safe use of the fire extinguisher, the integral welding structure at the bottom is matched to ensure that the fire extinguisher is more relieved in the use process, in the valve body 101, the valve core 203 is fixedly connected with the pressure rod 202 and the sealing rubber ring 205, when the pressure plate 102 at one side of the valve body 101 is pressed, the pressure rod 202 is linked and pressed down through the pressure plate 102, the valve core 203 is matched with the elastic structure formed by the spring 204 and the valve cavity 201 to ensure that the valve core 203 descends to release the dry powder in the bottom, and in the unused state, the sealing rubber ring 205 is arranged around the valve core 203, the reinforced attaching effect can be realized on the inner side of the valve cavity 201, the internal sealing effect is improved, the internal leakage phenomenon is avoided, the piston 301 arranged in the nozzle at one side of the valve is fixed in the nozzle by matching with the thread wall 303 to realize the nozzle sealing effect, the use is influenced in avoiding the foreign matter to get into the valve, and the stopper glue 304 of fixed connection between with the screw wall 303 then plays the sealed reinforcement effect to the spout inner wall, prevents that inside gas and dry powder from leaking and influencing safe handling, when the fire extinguisher that needs to use this valve to settle, need in advance with the rotatory unscrewing of piston 301 both can use.

Claims

1. The utility model provides a dry powder valve that is used for fire extinguisher to have a leak-proof structure, includes that reinforcement prevents leaking structure (1), inside closing mechanism (2) and spout piston mechanism (3), its characterized in that: the inside of consolidating and preventing leaking structure (1) is provided with inside closing mechanism (2), and consolidates and prevent leaking one side of structure (1) and be provided with spout piston mechanism (3), consolidate and prevent leaking structure (1) and include valve body (101), clamp plate (102), pull ring hole (103), connecting axle (104), base (105), tank deck lid (106) and weld joint (107), and the top of valve body (101) is provided with clamp plate (102), pull ring hole (103) have been seted up to the both sides inside of clamp plate (102), and the one end of clamp plate (102) is provided with connecting axle (104), the bottom of valve body (101) is provided with base (105), and the bottom of base (105) is provided with tank deck lid (106), the bottom of tank deck lid (106) is laminated all around and is welded joint (107).

2. A dry powder valve with leak-proof structure for fire extinguisher according to claim 1, characterized in that: the base (105) is connected with the tank top cover (106) in a welding mode, and the base (105) is fixedly connected with the valve body (101).

3. A dry powder valve with leak-proof structure for fire extinguisher according to claim 1, characterized in that: the pressure plate (102) and the valve body (101) form a rotating structure through a connecting shaft (104), and the pull ring holes (103) are distributed on two sides of the pressure plate (102) and the valve body (101).

4. A dry powder valve with leak-proof structure for fire extinguisher according to claim 1, characterized in that: the internal sealing mechanism (2) comprises a valve cavity (201), a pressure rod (202), a valve core (203), a spring (204) and a sealing rubber ring (205), the pressure rod (202) is arranged inside the valve cavity (201), the valve core (203) is arranged at the bottom end of the pressure rod (202), the spring (204) is arranged at the bottom end of the valve core (203), and the sealing rubber ring (205) is arranged around the valve core (203).

5. A dry powder valve with leak-proof structure for fire extinguisher according to claim 4, characterized in that: the pressure lever (202), the sealing rubber ring (205) and the valve core (203) are fixedly connected, and the valve core (203) and the valve cavity (201) form an elastic structure through a spring (204).

6. A dry powder valve with leak-proof structure for fire extinguisher according to claim 1, characterized in that: the nozzle piston mechanism (3) comprises a piston (301), an anti-skidding groove (302), a thread wall (303) and a plug glue (304), wherein the anti-skidding groove (302) is formed in the outer wall of the periphery of the piston (301), the thread wall (303) is distributed on the periphery of the bottom end of the piston (301), and the plug glue (304) is arranged at the bottom end of the thread wall (303).

7. A dry powder valve with leak-proof structure for fire extinguisher according to claim 6, characterized in that: the plug rubber (304) is fixedly connected with the thread wall (303), and the piston (301) forms a thread structure with the reinforcing and leakage-preventing structure (1) through the thread wall (303).