CN217108315U

CN217108315U - Air control valve

Info

Publication number: CN217108315U
Application number: CN202220347834.XU
Authority: CN
Inventors: 周亮
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-02-21
Filing date: 2022-02-21
Publication date: 2022-08-02
Anticipated expiration: 2032-02-21

Abstract

The utility model discloses an air control valve, including the hand wheel, the lower part of hand wheel is provided with the push rod, be provided with the threaded rod below the push rod, the surface of threaded rod is provided with the gland, the lower part of gland is provided with the hemisphere apron, gland and hemisphere apron are through long neck screwed connection, hemisphere apron lower part is provided with the hemisphere room, hemisphere room lower part is provided with the valve body, the valve body surface is provided with observes the mouth, the threaded rod lower part is provided with the trace, the trace surface is provided with the scale zero line, the trace lower part is provided with the case, it has the case gasket to go up the case surface, it is provided with the case connecting rod to go up the case lower part, case connecting rod lower part is provided with the case down, the case surface is provided with the case gasket down, can make case change position and then make the passageway that atmospheric pressure changed the transport through the rotation of hand wheel.

Description

Air control valve

Technical Field

The utility model relates to the technical field of valves, in particular to air control valve.

Background

The use of valve is more and more in industrial development process, along with the range of application is wider and more, required valve is also different respectively, some needs control flow out some needs of inflow and will carry out the stagnant flow on one side some, many install the valve additional but a plurality of valves not only need the cost at the tip of reposition of redundant personnel on the market, still can use the space of bigger installation, sometimes the pipeline blocks but can not the direct-viewing discovery whether the valve goes wrong can not solve the problem conveniently, some long-time valves of using do not carry out the maintenance and can not disassemble partial replacement again, make whole valve all need change.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide an air control valve.

In order to solve the technical problem, the utility model provides a following technical scheme:

an air control valve comprises a hand wheel, a push rod is welded and installed at the center of the hand wheel, a threaded rod is welded and installed at the bottom of the push rod, a gland is sleeved on the surface of the threaded rod, a hemispherical cover plate is arranged at the lower end of the gland, a filler bin is arranged at the center of the hemispherical cover plate, sealing filler is placed inside the filler bin, the gland and the hemispherical cover plate are connected through a long-neck screw, a hemispherical chamber is arranged on the surface of the lower end of the hemispherical cover plate, a valve body is welded and installed at the lower end of the hemispherical chamber, an observation port is formed in the surface of the valve body, a linkage rod is arranged at the lower end of the threaded rod, a zero line is arranged on the surface of the linkage rod in a surrounding mode, an upper valve core is welded and installed at the lower end of the linkage rod, an upper valve core gasket layer is installed on the surface of the top of the upper valve core, an upper valve seat is arranged on the surface of the upper valve core in a surrounding mode, the improved air valve is characterized in that a valve core connecting rod is arranged and connected at the bottom of the upper valve core, a lower valve core is arranged at the bottom of the valve core connecting rod, a layer of lower valve core gasket is arranged on the surface of the bottom of the lower valve core, a lower valve seat is arranged on the surface of the lower valve core in a surrounding mode, an air inlet threaded sleeve is arranged on one side of the surface of the valve body, an air inlet sleeve gasket is arranged in the middle of the inside of the air inlet threaded sleeve, an A air outlet threaded sleeve is arranged on the opposite side of the air inlet threaded sleeve, an A air outlet sleeve gasket is arranged in the A air outlet threaded sleeve, a B air outlet threaded sleeve is arranged at the bottom of the valve body, and a B air outlet sleeve gasket is arranged in the B air outlet threaded sleeve.

As a preferred technical scheme of the utility model, survey the mouth for high strength glass material, there is the scale mark on the surface, survey the mouth and inlay in the valve body, the gap between passes through rubber seal.

As an optimal technical scheme of the utility model, there is the gland packing inside the filler storehouse, it has lubricating liquid to add among the gland packing, and the gland packing parcel is on the surface at threaded rod middle part.

As an optimal technical scheme of the utility model, hemisphere apron and filler storehouse are the welding, hemisphere apron and hemisphere room are threaded connection, it is the welding to go up between case, case connecting rod and the lower valve core.

As an optimal technical scheme of the utility model, threaded rod, trace, case connecting rod, go up case, lower valve core, be cast iron material, go up case gasket, lower valve core gasket, air inlet sleeve gasket, a gas outlet sleeve gasket, B gas outlet sleeve gasket, be the rubber material.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model relates to an air control valve, can effectually control the flow and the switch of two shunts through a valve, set up the filler bin at the lower extreme of threaded rod, inside packing sealing material, can drive the key position of lubricating oil lubrication valve door through the motion of threaded rod, the position of hemisphere apron still can be disassembled and then the solitary case of changing, can observe the operation conditions of valve through the observation mouth when overhauing, and then more conveniently find out the maintenance that the reason that the valve goes wrong can the pertinence.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a sectional view of the gland of the present invention;

FIG. 4 is a detailed view of the axle center of the present invention;

in the figure: 1. a hand wheel; 2. a push rod; 3. a threaded rod; 4. a gland; 5. a hemispherical chamber; 6. a valve body; 7. A long-neck screw; 8. an observation port; 9. an air inlet threaded sleeve; 10. sealing and filling; 11. a material filling bin; 12. A hemispherical cover plate; 13. a linkage rod; 14. a zero line is calibrated; 15. an upper valve seat; 16. an upper valve core gasket; 17. An upper valve core; 18. an air inlet sleeve gasket; 19. a, an air outlet sleeve gasket; 20. a, an air outlet threaded sleeve; 21. a valve core connecting rod; 22. a lower valve seat; 23. a lower valve core; 24. a lower valve core gasket; 25. b, an air outlet sleeve gasket; 26. and B, an air outlet threaded sleeve.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example 1

As shown in fig. 1-4, the utility model provides an air control valve, which comprises a hand wheel 1, a push rod 2 is welded at the center of the hand wheel 1, a threaded rod 3 is welded at the bottom of the push rod 2, a gland 4 is sleeved on the surface of the threaded rod 3, a hemispherical cover plate 12 is arranged at the lower end of the gland 4, a filler bin 11 is arranged at the center of the hemispherical cover plate 12, a sealing filler 10 is placed inside the filler bin 11, the gland 4 is connected with the hemispherical cover plate 12 through a long-neck screw 7, a hemispherical chamber 5 is arranged on the lower end surface of the hemispherical cover plate 12, a valve body 6 is welded at the lower end of the hemispherical chamber 5, an observation port 8 is arranged on the surface of the valve body 6, a linkage rod 13 is arranged at the lower end of the threaded rod 3, a zero-line scale 14 is arranged on the surface of the linkage rod 13 in a surrounding manner, an upper valve core 17 is welded at the lower end of the linkage rod 13, and an upper valve core gasket 16 is arranged on the top surface of the upper valve core 17, go up the surface of case 17 and encircle and be provided with disk seat 15, the bottom setting of going up case 17 is connected with case connecting rod 21, the bottom of case connecting rod 21 is provided with lower case 23, the bottom surface mounting of lower case 23 has one deck lower case gasket 24, the surface of lower case 23 is encircleed and is provided with lower disk seat 22, surface one side of valve body 6 sets up installs air inlet threaded sleeve 9, be provided with air inlet sleeve gasket 18 in the middle of the inside of air inlet threaded sleeve 9, air inlet threaded sleeve 9's offside sets up installs A gas outlet threaded sleeve 20, the inside A gas outlet sleeve gasket 19 that is provided with of A gas outlet threaded sleeve 20, B gas outlet threaded sleeve 26 is installed in the bottom setting of valve body 6, the inside B gas outlet sleeve gasket 25 that is provided with of B gas outlet threaded sleeve 26.

Furthermore, observation mouth 8 is the glass material that excels in, and the surface can have the scale mark, and observation mouth 8 is inlayed in valve body 6, and the gap between passes through rubber seal, can follow inside observation mouth 8 outside observation valve body 6, and observation mouth 8 and scale zero line 14, upper valve core 17, case connecting rod 21, lower valve core 23 become front and back corresponding relation, all can follow observation mouth 8 and observe, and the part of the inside visual inspection valve of being convenient for has the problem.

The sealing filler 10 is arranged in the filler bin 11, the lubricating liquid is added into the sealing filler 10, the sealing filler 10 wraps the periphery of the surface of the middle part of the threaded rod 3, the lubricating liquid is added into the sealing filler 10, and when the threaded rod 3 rotates up and down, the lubricating liquid in the sealing filler 10 flows downwards along with the threaded rod 3 to maintain important parts of the upper valve element 17 and the lower valve element 23, so that the maintenance can be performed on the internal parts of the valve, and the service life is prolonged.

The hemispherical cover plate 12 and the filler bin 11 are welded, the hemispherical cover plate 12 and the hemispherical chamber 5 are in threaded connection, the upper valve core 17, the valve core connecting rod 21 and the lower valve core 23 are all welded, and the threaded connection can facilitate disassembly and replacement of single parts inside.

The threaded rod 3, the linkage rod 13, the valve core connecting rod 21, the upper valve core 17 and the lower valve core 23 are all made of cast iron, and the upper valve core gasket 16, the lower valve core gasket 24, the air inlet sleeve gasket 18, the air outlet sleeve gasket 19A and the air outlet sleeve gasket 25B are all made of rubber, so that gaps which are not completely sealed by metal can be effectively sealed.

Specifically, when the device is used, the push rod 2 and the threaded rod 3 are rotated downwards by rotating the hand wheel 1 to drive the linkage rod 13, the upper valve core 17, the valve core connecting rod 21 and the lower valve core 23 to move downwards, so that the side inclined surfaces of the lower valve core 23 and the lower valve core gasket 24 are attached to the inclined surface of the lower valve seat 22, gas enters from the port of the gas inlet threaded sleeve 9, the gas flows out from the port of the A gas outlet threaded sleeve along with the opening of a pipeline, the zero scale line 14 moves downwards in the process, the observation port 8 can observe that the zero scale line 14 indicates the lower part of the scale, the port at the bottom is closed, the hand wheel rotates towards the other direction, the corresponding parts all move towards the opposite direction, so that the upper valve core 17 and the upper valve core gasket 16 are attached to the upper valve seat 15, the gas enters from the port of the gas inlet threaded sleeve 9 and then flows out from the B gas outlet threaded sleeve 26, the observation port 8 observes that the zero scale line 14 indicates the upper part of the scale, the bottom port is opened and the lubricating liquid in the packing 10 flows down with the threaded rod 3 to perform maintenance on the important parts of the upper valve element 17 and the lower valve element 23 when the threaded rod 3 rotates up and down.

This air control valve is effectual has solved the problem that exists in the traditional valve use, can effectually control the flow and the switch of two shunts through a valve, the filler bin has been set up to the lower extreme at the threaded rod, inside packing sealing material, the key position that can drive lubricating oil lubrication valve through the motion of threaded rod, the position of hemisphere apron still can be disassembled and then the solitary case of changing, can observe the operation conditions of valve through observing the mouth when overhauing, and then more conveniently find out the reason that the valve goes wrong and can the maintenance of pertinence.

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 may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The air control valve comprises a hand wheel (1) and is characterized in that a push rod (2) is installed at the center of the hand wheel (1) in a welding mode, a threaded rod (3) is installed at the bottom of the push rod (2) in a welding mode, a gland (4) is sleeved on the surface of the threaded rod (3), a hemispherical cover plate (12) is arranged at the lower end of the gland (4), a filler bin (11) is arranged at the center of the hemispherical cover plate (12), a sealing filler (10) is placed inside the filler bin (11), the gland (4) and the hemispherical cover plate (12) are connected through a long-neck screw (7), a hemispherical chamber (5) is arranged on the lower end surface of the hemispherical cover plate (12), a valve body (6) is installed at the lower end of the hemispherical chamber (5) in a welding mode, an observation port (8) is arranged on the surface of the valve body (6), a linkage rod (13) is arranged at the lower end of the threaded rod (3), a scale zero line (14) is arranged on the surface of the linkage rod (13) in a surrounding mode, an upper valve core (17) is welded and installed at the lower end of the linkage rod (13), a layer of upper valve core gasket (16) is installed on the surface of the top of the upper valve core (17), an upper valve seat (15) is arranged on the surface of the upper valve core (17) in a surrounding mode, a valve core connecting rod (21) is connected to the bottom of the upper valve core (17), a lower valve core (23) is arranged on the bottom of the valve core connecting rod (21), a layer of lower valve core gasket (24) is installed on the surface of the bottom of the lower valve core (23), a lower valve seat (22) is arranged on the surface of the lower valve core (23) in a surrounding mode, an air inlet threaded sleeve (9) is installed on one side of the surface of the valve body (6), an air inlet sleeve gasket (18) is arranged in the middle of the inside of the air inlet threaded sleeve (9), and an air outlet threaded sleeve (20) is installed on the opposite side of the air inlet threaded sleeve (9), a gas outlet sleeve gasket (19) is arranged inside the gas outlet threaded sleeve (20), a gas outlet threaded sleeve (26) is arranged at the bottom of the valve body (6), and a gas outlet sleeve gasket (25) is arranged inside the gas outlet threaded sleeve (26).

2. The air control valve according to claim 1, wherein the observation port (8) is made of high-strength glass, the surface of the observation port is provided with scale marks, the observation port (8) is embedded in the valve body (6), and gaps between the observation port and the valve body are sealed through rubber.

3. An air control valve according to claim 1, characterized in that the packing bin (11) has a sealing packing (10) inside, the sealing packing (10) has a lubricating liquid added to it, and the sealing packing (10) is wrapped around the surface of the middle of the threaded rod (3).

4. The air control valve according to claim 1, wherein the hemispherical cover plate (12) and the packing bin (11) are welded, the hemispherical cover plate (12) and the hemispherical chamber (5) are in threaded connection, and the upper valve core (17), the valve core connecting rod (21) and the lower valve core (23) are all welded.

5. The air control valve according to claim 1, wherein the threaded rod (3), the linkage rod (13), the spool link (21), the upper spool (17), and the lower spool (23) are made of cast iron, and the upper spool gasket (16), the lower spool gasket (24), the inlet sleeve gasket (18), the outlet sleeve gasket (19) a, and the outlet sleeve gasket (25) B are made of rubber.