CN210372244U

CN210372244U - Pneumatic control valve

Info

Publication number: CN210372244U
Application number: CN201921282387.9U
Authority: CN
Inventors: 张锦飞
Original assignee: QIDONG GOLDEN MONKEY DUST REMOVING EQUIPMENT CO LTD
Current assignee: QIDONG GOLDEN MONKEY DUST REMOVING EQUIPMENT CO LTD
Priority date: 2019-08-09
Filing date: 2019-08-09
Publication date: 2020-04-21
Anticipated expiration: 2029-08-09

Abstract

The utility model discloses a pneumatic control's valve, including valve body, trachea and case, trachea fixed connection is in the top of valve body, and the case slides and sets up in the middle part of valve body inner chamber, and the top fixedly connected with T type connecting rod of case, the outside cover of T type connecting rod are equipped with the spring, and tracheal inner chamber sliding connection has rubber chock plug, and tracheal bottom and rubber chock plug's bottom mounting joint is passed on the top of T type connecting rod, tracheal one side fixedly connected with aspiration pump, and tracheal top interlude is connected with the blast pipe, and the middle part interlude of blast pipe is connected with the solenoid valve. The utility model discloses in utilizing the aspiration pump to take outside gas into the trachea, make the increase of intratracheal pressure and drive the rubber chock plug and remove, T type connecting rod drives the case and seals the valve body, and the deblocking that case and valve body can be controlled in the use of outlet duct and solenoid valve of deuterogamying to the realization is to the pneumatic control of valve body switching, improves the accuracy to flux control in the valve body, and pneumatic control can the workman of being convenient for use simultaneously.

Description

Pneumatic control valve

Technical Field

The utility model relates to a valve field, in particular to pneumatic control's valve.

Background

The valve is a pipeline accessory used for opening and closing a pipeline, controlling the flow direction, and adjusting and controlling parameters of a conveying medium, and can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pneumatic control's valve to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a pneumatic control's valve, includes valve body, trachea and case, trachea fixed connection is in the top of valve body, just the trachea communicates with each other with the inner chamber of valve body, the case slides and sets up in the middle part of valve body inner chamber, the top fixedly connected with T type connecting rod of case, the outside cover of T type connecting rod is equipped with the spring, just the both ends of spring respectively with the top of case and tracheal bottom, tracheal inner chamber sliding connection has the rubber chock plug, the top of T type connecting rod is passed tracheal bottom and the fixed joint in bottom of rubber chock plug, tracheal one side fixedly connected with aspiration pump, the air inlet intercommunication that pipe and trachea one side top were seted up is passed through to the gas outlet of aspiration pump, tracheal top alternates and is connected with the blast pipe, the middle part of blast pipe alternates and is connected with the solenoid valve.

Preferably, an air compressor is fixedly connected to one side of the air pipe and above the air extraction pump, an air outlet port of the air compressor is communicated with an air inlet on one side of the air pipe through a guide pipe, and an air inlet port of the air compressor is communicated with an air outlet port of the air extraction pump.

Preferably, a wear-resistant gasket is inserted and connected at the joint of the T-shaped connecting rod and the bottom end of the air pipe.

Preferably, an air inlet pipe is fixedly connected to an air inlet port of the air suction pump, and a dust screen is arranged at the end of the air inlet pipe.

Preferably, the outer wall of dust screen is fixed to be cup jointed with the annular plate, the one end threaded connection of intake pipe has the pipe casing, just the annular plate sets up between intake pipe and pipe casing.

Preferably, the air pump, the electromagnetic valve and the air compressor are respectively electrically connected with an external power supply through an external switch.

The utility model discloses a technological effect and advantage:

the utility model discloses in utilizing the aspiration pump to take outside gas into the trachea, make the increase of intratracheal pressure and drive the rubber chock plug and remove to drive case closed valve body through T type connecting rod, the deblocking that the use of outlet duct and solenoid valve of deuterogamying can control case and valve body, thereby realize the pneumatic control to the valve body switching, improve the accuracy to flux control in the valve body, pneumatic control can be convenient for the workman to use simultaneously.

Drawings

Fig. 1 is a schematic front sectional view of the present invention.

Fig. 2 is the schematic view of the partial sectional structure of the intake pipe of the present invention.

In the figure: 1. a valve body; 2. an air tube; 3. a valve core; 4. a spring; 5. a T-shaped connecting rod; 6. a rubber stopper; 7. an air pump; 8. an exhaust pipe; 9. an electromagnetic valve; 10. an air inlet pipe; 11. a pipe cover; 12. an annular plate; 13. a dust screen; 14. an air compressor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

The utility model provides a pneumatic control valve as shown in figure 1-2, which comprises a valve body 1, a gas pipe 2 and a valve core 3, wherein the gas pipe 2 is fixedly connected with the top end of the valve body 1, the gas pipe 2 is communicated with the inner cavity of the valve body 1, the valve core 3 is arranged at the middle part of the inner cavity of the valve body 1 in a sliding way, the top end of the valve core 3 is fixedly connected with a T-shaped connecting rod 5, the outer part of the T-shaped connecting rod 5 is sleeved with a spring 4, the two ends of the spring 4 are respectively connected with the top end of the valve core 3 and the bottom end of the gas pipe 2, an automatic resetting effect is achieved by utilizing the elastic restoring force of the spring 4, the inner cavity of the gas pipe 2 is connected with a rubber plug 6 in a sliding way, a sealing sliding effect is achieved, the top end of the T-shaped connecting rod 5 passes through the bottom end of the gas pipe 2 and is fixedly clamped with the bottom end of the rubber, one side fixedly connected with aspiration pump 7 of trachea 2, the air inlet intercommunication that the gas outlet of aspiration pump 7 was seted up through pipe and 2 one side tops of trachea, and the top of trachea 2 alternates and is connected with blast pipe 8, and the middle part of blast pipe 8 alternates and is connected with solenoid valve 9.

One side of trachea 2 and the top fixedly connected with air compressor 14 that is located aspiration pump 7, the port of giving vent to anger of air compressor 14 passes through the air inlet intercommunication of pipe and trachea 2 one side, and the port of giving vent to anger of air compressor 14 and aspiration pump 7 communicates, pressurizes the gas that the aspiration pump 7 extracted to improve the impact force that gets into trachea 2 internal gas, improve case 3's removal efficiency, and then improve case 3 and to the sealed efficiency of valve body 1.

Air intake port fixedly connected with intake pipe 10 of aspiration pump 7, the tip of intake pipe 10 is equipped with dust screen 13, the air inlet department to aspiration pump 7 plays a dirt-proof effect, the fixed cover of outer wall of dust screen 13 has cup jointed annular plate 12, the one end threaded connection of intake pipe 10 has pipe casing 11, and annular plate 12 sets up between intake pipe 10 and pipe casing 11, the dismantlement and the installation of the dust screen 13 of being convenient for, improve the convenience that dust screen 13 washd the change.

This practical theory of operation: the air pump 7 pumps the external air into the air compressor 14 through the air inlet pipe 10, then the external air enters the inner cavity of the air pipe 2 along the conduit after being compressed by the air compressor 14, the inner cavity of the air pipe 2 increases the pressure along with the continuous introduction of the air, thereby pushing the rubber plug 6 and the T-shaped connecting rod 5 to move downwards by the pressure action of the gas, the T-shaped connecting rod 5 then drives the valve core 3 to move downwards to seal the channel of the valve body 1, meanwhile, the spring 4 is stretched, and when the channel of the valve body 1 needs to be opened, the air electromagnetic valve 9 is opened, so that the exhaust pipe 8 exhausts the gas in the air pipe 2 to the outside, therefore, the air pipe 2 is kept to be the same as the external pressure, at the moment, the spring 4 drives the valve core 3 to move upwards to the initial position by using elastic restoring force, and the valve core 3 drives the rubber plug 6 to move upwards to the initial position through the T-shaped connecting rod 5 while moving upwards.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a pneumatic control's valve, includes valve body (1), trachea (2) and case (3), its characterized in that: the air pipe (2) is fixedly connected to the top end of the valve body (1), the air pipe (2) is communicated with an inner cavity of the valve body (1), the valve core (3) is arranged in the middle of the inner cavity of the valve body (1) in a sliding mode, a T-shaped connecting rod (5) is fixedly connected to the top end of the valve core (3), a spring (4) is sleeved outside the T-shaped connecting rod (5), two ends of the spring (4) are respectively connected with the top end of the valve core (3) and the bottom end of the air pipe (2), a rubber plug (6) is connected to the inner cavity of the air pipe (2) in a sliding mode, the top end of the T-shaped connecting rod (5) penetrates through the bottom end of the air pipe (2) and is fixedly clamped with the bottom end of the rubber plug (6), an air suction pump (7) is fixedly connected to one side of the air pipe (2), and an air outlet of the, the top end of the air pipe (2) is connected with an exhaust pipe (8) in an inserting mode, and the middle of the exhaust pipe (8) is connected with an electromagnetic valve (9) in an inserting mode.

2. A pneumatically controlled valve according to claim 1, wherein: the air pump is characterized in that an air compressor (14) is fixedly connected to one side of the air pipe (2) and above the air suction pump (7), an air outlet port of the air compressor (14) is communicated with an air inlet in one side of the air pipe (2) through a guide pipe, and an air inlet port of the air compressor (14) is communicated with an air outlet port of the air suction pump (7).

3. A pneumatically controlled valve according to claim 1, wherein: and a wear-resistant gasket is inserted and connected at the joint of the T-shaped connecting rod (5) and the bottom end of the air pipe (2).

4. A pneumatically controlled valve according to claim 1, wherein: an air inlet port of the air pump (7) is fixedly connected with an air inlet pipe (10), and a dust screen (13) is arranged at the end of the air inlet pipe (10).

5. A pneumatically controlled valve according to claim 4, wherein: the outer wall of dust screen (13) is fixed to be cup jointed with annular plate (12), the one end threaded connection of intake pipe (10) has pipe casing (11), just annular plate (12) set up between intake pipe (10) and pipe casing (11).

6. A pneumatically controlled valve according to claim 1 or 2, wherein: the air pump (7), the electromagnetic valve (9) and the air compressor (14) are respectively electrically connected with an external power supply through an external switch.