CN220204782U

CN220204782U - Safety valve

Info

Publication number: CN220204782U
Application number: CN202321981716.5U
Authority: CN
Inventors: 潘京顺
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-07-26
Filing date: 2023-07-26
Publication date: 2023-12-19
Anticipated expiration: 2033-07-26

Abstract

The utility model relates to the technical field of valves and discloses a safety valve which comprises a valve body, wherein a threaded hole is formed in the top of the valve body, a threaded bolt is connected to the inner thread of the threaded hole, a top piece is connected to the bottom of the threaded bolt in a rotating mode through a bearing, a jack is formed in the surface of the top piece, and a hydraulic buffer rod is inserted into the jack in a plugging mode. This safety type valve, through the setting of turning hand, screw bolt and separation blade, make the device can adjust the pressure, atmospheric pressure is higher when the gas in the disk seat increases, thereby form the impact to the separation blade, thereby the spring receives impact force to drive the separation blade shrink and the disk seat is no longer laminated exhaust gas, rotate the turning hand, the turning hand screw bolt rotates down and removes, screw bolt drives the top piece and moves down, compression spring's space, the time needs bigger atmospheric pressure impact force just can form the shrink to the spring, otherwise can reduce the atmospheric pressure, and then make the device can adapt to the pipeline of different pressures, thereby make the practicality of device stronger.

Description

Safety valve

Technical Field

The utility model relates to the technical field of valves, in particular to a safety valve.

Background

The valve is a control component in the fluid conveying system and has the functions of stopping, adjusting, guiding, preventing backflow, stabilizing pressure, diverting or overflow pressure relief and the like. Valves for fluid control systems range from the simplest shut-off valves to the various valves used in extremely complex automatic control systems, which are quite diverse in variety and specification. Wherein the gas valve is a device for controlling the flow of gas, which can open, close or regulate the gas passage for controlling the flow, pressure and direction of the gas. Gas valves are widely used in industrial, commercial and domestic applications, and therefore the safety of the valve is particularly important.

However, the safety valves currently on the market have the following drawbacks:

most of safety valves are usually fixed in air pressure, so that the safety valves are difficult to adapt to pipelines with different pressures, and the practicability is low;

the automatic safety valve is usually not separated from the spring structure, but the spring is inevitably damaged in elasticity after long-time use, and the spring needs to be replaced and maintained.

The present utility model therefore proposes a safety valve.

Disclosure of Invention

The utility model solves the technical problems that the safety valve has higher practicability and simpler structure through simple operation, and solves the problems that the fixed air pressure in the background art is difficult to adapt to pipelines with different pressures and the elasticity of a spring used for a long time is damaged.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a safe type valve, includes the valve body, the screw hole has been seted up at the top of valve body, the inside threaded connection of screw hole has the screw bolt, the bottom of screw bolt is connected with the top sheet through the bearing rotation, the jack has been seted up on the surface of top sheet, hydraulic buffer pole has been pegged graft to the inside of jack, the spring has been cup jointed on the surface of hydraulic buffer pole, the negative film has been cup jointed at the edge on hydraulic buffer pole surface, the bottom of valve body is through screw fixedly connected with cover body, the inner wall fixedly connected with connecting block of the cover body, the fixed surface of connecting block is connected with the spacing collar.

Optionally, the inner wall swing joint of retainer plate has the separation blade, the bottom fixedly connected with sealing gasket of separation blade makes gas can not flow under normal atmospheric pressure through separation blade and disk seat laminating, increases the leakproofness of separation blade and disk seat through sealing gasket.

Optionally, the top fixedly connected with fixed column of separation blade, the recess is seted up at the top of fixed column, through fixed column and hydraulic buffer rod's fixed connection, makes separation blade and hydraulic buffer rod link to each other, and when the separation blade rose, hydraulic buffer rod shrink.

Optionally, the bottom of recess interior bottom wall fixed connection in hydraulic buffer rod, the interior bottom wall fixedly connected with disk seat of the cover body, gaseous entering disk seat, under the steady state of atmospheric pressure, the separation blade is laminated with the disk seat, if the gas in the disk seat increases, forms the impact to the separation blade.

Optionally, the top fixedly connected with of threaded bolt changes the hand, it has anti-skidding subsides to change the surface of hand, and summer hand sweat easily, can make the rotation of threaded bolt more smooth stable through anti-skidding subsides and change the hand, has reduced because of the smooth possibility of maloperation of hand.

Optionally, the gas vent has been seted up on the surface of valve body, the inner wall fixedly connected with blast pipe of gas vent, increases when gas and run out from the disk seat, can reduce the intra-valve atmospheric pressure through the blast pipe exhaust, and the separation blade is kick-backed and is laminated with the disk seat after gas exhaust atmospheric pressure is normal.

The utility model provides a safety valve, which has the following beneficial effects:

1. this safety type valve, through the setting of turning hand, screw bolt and separation blade, make the device can adjust the pressure, atmospheric pressure is higher when the gas in the disk seat increases, thereby form the impact to the separation blade, thereby the spring receives impact force to drive the separation blade shrink and the disk seat is no longer laminated exhaust gas, rotate the turning hand, the turning hand screw bolt rotates down and removes, screw bolt drives the top piece and moves down, compression spring's space, the time needs bigger atmospheric pressure impact force just can form the shrink to the spring, otherwise can reduce the atmospheric pressure, and then make the device can adapt to the pipeline of different pressures, thereby make the practicality of device stronger.

2. This safety type valve, through the setting of valve body, top sheet and hydraulic buffer rod, make the spring can quick replacement maintenance, rotate the screw and make valve body and cover body loosen, upwards take out the valve body, the valve body drives screw bolt and top sheet and rises, and hydraulic buffer rod takes out from the jack of top sheet and takes out the spring and can change it, and then makes the device can used repeatedly to the life of device has been improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the overall split structure of the present utility model;

FIG. 3 is a schematic view of a spring structure according to the present utility model;

fig. 4 is a schematic view of the structure of the stop collar of the present utility model.

In the figure: 1. a valve body; 2. a threaded bolt; 3. a top sheet; 4. a hydraulic buffer rod; 5. a spring; 6. a negative; 7. a cover body; 8. a connecting block; 9. a limit ring; 10. a baffle; 11. a sealing gasket; 12. fixing the column; 13. a valve seat; 14. turning hands; 15. and an exhaust pipe.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, the present utility model provides a technical solution: the utility model provides a safe type valve, including valve body 1, through the setting of valve body 1, top piece 3 and hydraulic buffer rod 4, make spring 5 can quick replacement maintenance, the rotation screw makes valve body 1 loosen with cover 7, upwards pull out valve body 1, valve body 1 drives screw bolt 2 and top piece 3 rise, hydraulic buffer rod 4 is taken out and is taken out spring 5 can change it from the jack of top piece 3, the screw hole has been seted up at the top of valve body 1, the inside threaded connection of screw bolt 2 has screw bolt 2, the bottom of screw bolt 2 is connected with top piece 3 through the bearing rotation, thereby make the device repeatedly usable, thereby the life of the device has been improved, the jack has been seted up on the surface of top piece 3, the inside grafting of jack has hydraulic buffer rod 4, the surface of hydraulic buffer rod 4 has cup jointed spring 5, through the setting of spring 5, make the device can exhaust gas, under the steady state of atmospheric pressure, barrier 10 laminating with disk seat 13, when the gas in the disk seat 13 increases more, the atmospheric pressure is higher, form the impact to barrier 10, spring 5 receives impact force to drive negative 6 and barrier 10 shrink, the bottom piece 6, the connecting block 7 is connected with the connecting block 7 through the fixed connection piece 8 of connecting block 7 from the fixed connection of connecting piece 7, the bottom of connecting block 7 has the fixed connection piece 8 of connecting block 7, the connecting piece 8 has the fixed connection of connecting piece 7;

the inner wall of the limit ring 9 is movably connected with a baffle plate 10, the bottom of the baffle plate 10 is fixedly connected with a sealing gasket 11, the baffle plate 10 is attached to the valve seat 13, so that gas cannot flow out under normal air pressure, and the sealing property of the baffle plate 10 and the valve seat 13 is improved through the sealing gasket 11;

the top of the baffle plate 10 is fixedly connected with a fixed column 12, the top of the fixed column 12 is provided with a groove, the baffle plate 10 is connected with the hydraulic buffer rod 4 through the fixed connection of the fixed column 12 and the hydraulic buffer rod 4, and when the baffle plate 10 ascends, the hydraulic buffer rod 4 contracts;

the inner bottom wall of the groove is fixedly connected to the bottom of the hydraulic buffer rod 4, the inner bottom wall of the cover body 7 is fixedly connected with the valve seat 13, gas enters the valve seat 13, the baffle plate 10 is attached to the valve seat 13 in a state that the gas pressure is stable, and if the gas in the valve seat 13 is increased, impact is formed on the baffle plate 10;

the top of the threaded bolt 2 is fixedly connected with the turning hand 14, the surface of the turning hand 14 is stuck with an anti-slip patch, sweat is easy to be discharged from the hand in summer, the rotation of the threaded bolt 2 can be smoother and more stable through the anti-slip patch and the turning hand 14, and the possibility of misoperation caused by hand slip is reduced;

the surface of valve body 1 has seted up the gas vent, and the inner wall fixedly connected with blast pipe 15 of gas vent, increases when gas and runs out from disk seat 13, can discharge through blast pipe 15 and reduce the intra-valve atmospheric pressure, and back separation blade 10 kick-backs and laminating with disk seat 13 when gas discharge atmospheric pressure is normal.

The parameters and the model can be selected according to actual conditions.

In the utility model, the working steps of the device are as follows:

a first step of: firstly, air enters the valve seat 13, the baffle plate 10 is attached to the valve seat 13 in a state of stable air pressure, when the air in the valve seat 13 increases, the air pressure is higher, impact is formed on the baffle plate 10, the spring 5 is driven by impact force to shrink the baffle plate 10, the air flows out of the valve seat 13, the air in the valve is discharged through the exhaust pipe 15 to reduce the air pressure, and when the air discharge pressure is normal, the baffle plate 10 rebounds to be attached to the valve seat 13;

and a second step of: then the turning hand 14 is rotated, the threaded bolt 2 of the turning hand 14 is rotated to move downwards, the threaded bolt 2 drives the top piece 3 to move downwards, the space of the spring 5 is compressed, at the moment, larger air pressure impact force is needed to form shrinkage on the spring 5, and otherwise, the air pressure can be reduced;

and a third step of: finally, when the service time is too long, the spring 5 is stressed and damaged, the valve body 1 and the cover body 7 are loosened by rotating the screw, the valve body 1 is pulled out upwards, the valve body 1 drives the threaded bolt 2 and the top sheet 3 to lift, and the hydraulic buffer rod 4 is pulled out from the jack of the top sheet 3 to take out the spring 5, so that the hydraulic buffer rod can be replaced.

It should be noted that, the device structure and the drawings of the present utility model mainly describe the principle of the present utility model, in terms of the technology of the design principle, the arrangement of the power mechanism, the power supply system, the control system, etc. of the device is not completely described, and on the premise that the person skilled in the art understands the principle of the present utility model, the specific details of the power mechanism, the power supply system and the control system can be clearly known, the control mode of the application file is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of the person skilled in the art;

the standard parts used in the method can be purchased from the market, and can be customized according to the description of the specification and the drawings, the specific connection modes of the parts are conventional means such as mature bolts, rivets and welding in the prior art, the machines, the parts and the equipment are conventional models in the prior art, and the structures and the principles of the parts are all known by the skilled person through technical manuals or through conventional experimental methods.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Safety valve, comprising a valve body (1), characterized in that: screw holes have been seted up at the top of valve body (1), the inside threaded connection of screw holes has threaded bolt (2), the bottom of threaded bolt (2) is connected with top sheet (3) through the bearing rotation, jack has been seted up on the surface of top sheet (3), the inside of jack has pegged graft hydraulic buffer pole (4), spring (5) have been cup jointed on the surface of hydraulic buffer pole (4), negative film (6) have been cup jointed at the edge on hydraulic buffer pole (4) surface, the bottom of valve body (1) is through screw fixedly connected with cover body (7), the inner wall fixedly connected with connecting block (8) of cover body (7), the fixed surface of connecting block (8) is connected with spacing collar (9).

2. A safety valve according to claim 1, wherein: the inner wall of the limit ring (9) is movably connected with a baffle (10), and the bottom of the baffle (10) is fixedly connected with a sealing gasket (11).

3. A safety valve according to claim 2, wherein: the top of separation blade (10) fixedly connected with fixed column (12), the recess is seted up at the top of fixed column (12).

4. A safety valve according to claim 3, wherein: the inner bottom wall of the groove is fixedly connected to the bottom of the hydraulic buffer rod (4), and the inner bottom wall of the cover body (7) is fixedly connected with a valve seat (13).

5. A safety valve according to claim 1, wherein: the top of the threaded bolt (2) is fixedly connected with a turning hand (14), and an anti-slip patch is stuck on the surface of the turning hand (14).

6. A safety valve according to claim 1, wherein: an exhaust port is formed in the surface of the valve body (1), and an exhaust pipe (15) is fixedly connected to the inner wall of the exhaust port.