CN213899898U

CN213899898U - Pneumatic regulating valve

Info

Publication number: CN213899898U
Application number: CN202022352132.4U
Authority: CN
Inventors: 彭敬成
Original assignee: Zhejiang Feier Automatic Control Technology Co ltd
Current assignee: Zhejiang Feier Automatic Control Technology Co ltd
Priority date: 2020-10-21
Filing date: 2020-10-21
Publication date: 2021-08-06
Anticipated expiration: 2030-10-21

Abstract

The utility model discloses a pneumatic regulating valve, which comprises a valve body, a shell and a stainless steel circular plate, wherein a valve seat is fixedly arranged inside the valve body, a connecting pipe is fixedly arranged at the top end of the valve body, the shell is fixedly arranged at the top end of the connecting pipe, baffle posts are fixedly arranged on the inner walls of four sides of the shell, sliding grooves are formed in one sides of the four baffle posts, the four sliding grooves are connected with connecting rods through sliding blocks in a sliding manner, and the top ends of the four connecting rods are fixedly connected with the four sides of the bottom end of the stainless steel circular plate respectively; the utility model has the advantages that: the utility model discloses pneumatic control valve through setting up the stainless steel plectane, can support the lift ring, through the inner wall sliding connection with two first sealing washers of lift ring and cap, can be to gas seal, gaseous difficult leakage, the leakproofness is better, need not adopt the diaphragm sealed air, and stainless steel plectane intensity is high, and the corrosion protection ability is good, and the durability is better, through the slider sliding connection with four spouts and four connecting rods, can lead to the stainless steel plectane.

Description

Pneumatic regulating valve

Technical Field

The utility model relates to a governing valve, in particular to pneumatic control valve belongs to pneumatic control valve technical field.

Background

The pneumatic control valve takes compressed gas as a power source, takes a cylinder as an actuator, drives a valve by means of a valve positioner, a converter, an electromagnetic valve, a position-retaining valve, a gas storage tank, a gas filter and the like, realizes switching value or proportional regulation, and receives a control signal of an industrial automatic control system to regulate a pipeline medium: various technological process parameters such as flow, pressure, temperature, liquid level, pneumatic control valve's characteristics are control simply, and the reaction is quick, and intrinsic safety does not need to take explosion-proof measure in addition again, and common pneumatic control valve's diaphragm is ageing easily, and the durability is relatively poor, and the diaphragm adopts bolt fastening more, installation and dismantlement be not convenient for, and in addition, common pneumatic control valve admission line's leakproofness is relatively poor, and gas leaks easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pneumatic control valve to the diaphragm of solving the common pneumatic control valve that provides among the above-mentioned background art is ageing easily, and the durability is relatively poor, and the problem of the installation and the dismantlement of being not convenient for.

In order to achieve the above object, the utility model provides a following technical scheme: the pneumatic regulating valve comprises a valve body, a shell and a stainless steel circular plate, wherein a valve seat is fixedly arranged inside the valve body, a connecting pipe is fixedly arranged at the top end of the valve body, the shell is fixedly arranged at the top end of the connecting pipe, baffle posts are fixedly arranged on the inner walls of four sides of the shell, sliding grooves are formed in one sides of the four baffle posts, the four sliding grooves are respectively connected with a connecting rod in a sliding manner through a sliding block, the top ends of the four connecting rods are respectively fixedly connected with the four sides of the bottom end of the stainless steel circular plate, a lifting ring is fixedly arranged at the top end of the stainless steel circular plate, the top and the bottom of the lifting ring are respectively connected with a first sealing ring in a clamping manner, a supporting plate is fixedly arranged in the middle of the bottom end of the stainless steel circular plate, a valve rod is connected with the middle of the bottom end of the supporting plate through threads, a fixing ring is fixedly arranged at the top end of the shell, and a connecting ring is fixedly arranged at the top end of the fixing ring through bolts, the fixed cap that is equipped with in top of go-between, the inner wall and two first sealing washer sliding connection of cap, the fixed riser that is equipped with in middle part on cap top, the fixed first flange that is equipped with in top of riser, the top bolt fastening of first flange is equipped with the second flange, the bottom block of second flange is connected with the second sealing washer, the fixed intake pipe that is equipped with in top of second flange, the fixed card pipe that is equipped with in inner wall of first flange, the card pipe is connected with the inner wall block of intake pipe bottom, the middle part and the equal block in top of card pipe are connected with the third sealing washer, the fixed ring that inserts that is equipped with in top of card pipe.

As a preferred technical scheme of the utility model, the fixed input tube that is equipped with of one end of valve body, the fixed output tube that is equipped with of the other end of valve body, the one end of input tube and the equal fixed flange that is equipped with of one end of output tube.

As a preferred technical scheme of the utility model, the fixed baffle that is equipped with in inside of connecting pipe, the middle part and the valve rod sliding connection of baffle, the valve body is run through to the bottom of valve rod and the fixed case that is equipped with.

As a preferred technical scheme of the utility model, the surface cover of valve rod is equipped with the spring, the bottom of spring and the top overlap joint of baffle.

As a preferred technical scheme of the utility model, the fixed sealed packing that is equipped with in inside of connecting pipe, sealed packing and valve rod sliding connection.

As a preferred technical scheme of the utility model, four avris of layer board are all fixed and are equipped with the floor, four the top of floor respectively with four avris fixed connection of stainless steel plectane bottom.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses pneumatic control valve, through setting up the stainless steel plectane, can support the lift ring, through two first sealing washers with the lift ring with the inner wall sliding connection of cap, can be to gas seal, gas is difficult for leaking, the leakproofness is better, need not adopt the diaphragm to seal the air, the stainless steel plectane intensity is high, the corrosion protection can be good, the durability is better, through sliding connection four spouts and the slider of four connecting rods, can guide the stainless steel plectane, avoid the stainless steel plectane slope, through connecting the middle part and the valve rod screw thread of layer board bottom, need not adopt the bolt to fix it, be convenient for to the installation and the dismantlement of stainless steel plectane; set up the second sealing washer through the bottom at the second flange, can seal intake pipe and riser, middle part and top through blocking the pipe set up the third sealing washer, can carry out secondary seal to intake pipe and riser, gaseous difficult leakage, safety and reliability, be convenient for insert the intake pipe with the card pipe through the insert ring, the card pipe can support the intake pipe, wholeness and stability between intake pipe and the riser have been improved, the intake pipe is difficult for inclining, the laminating degree between two third sealing washers and the intake pipe inner wall has been improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a stainless steel circular plate according to the present invention;

fig. 3 is a schematic structural diagram of the stand pipe of the present invention.

In the figure: 1. a valve body; 2. a valve seat; 3. a connecting pipe; 4. a baffle plate; 5. sealing the packing; 6. a valve stem; 7. a valve core; 8. a spring; 9. a housing; 10. a bumping post; 11. a chute; 12. a support plate; 13. a stainless steel circular plate; 14. a rib plate; 15. a lifting ring; 16. a first seal ring; 17. a connecting rod; 18. a slider; 19. a fixing ring; 20. a connecting ring; 21. a shell cover; 22. a riser; 23. a first flange; 24. a second flange; 25. an air inlet pipe; 26. a second seal ring; 27. clamping the pipe; 28. a third seal ring; 29. and (4) inserting a ring.

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.

Referring to fig. 1-3, the present invention provides a pneumatic control valve, which comprises a valve body 1, a housing 9 and a stainless steel circular plate 13, wherein a valve seat 2 is fixedly disposed inside the valve body 1, a connecting pipe 3 is fixedly disposed at the top end of the valve body 1, the housing 9 is fixedly disposed at the top end of the connecting pipe 3, retaining posts 10 are fixedly disposed on the inner walls of four sides of the housing 9, sliding grooves 11 are respectively disposed on one sides of the four retaining posts 10, the four sliding grooves 11 are respectively slidably connected with a connecting rod 17 through a slider 18, the top ends of the four connecting rods 17 are respectively fixedly connected with four sides of the bottom end of the stainless steel circular plate 13, a lifting ring 15 is fixedly disposed at the top end of the stainless steel circular plate 13, a first sealing ring 16 is snap-connected to the top and bottom of the lifting ring 15, a supporting plate 12 is fixedly disposed at the middle portion of the bottom end of the stainless steel circular plate 13, a valve rod 6 is threadedly connected to the middle portion of the bottom end of the supporting plate 12, a fixing ring 19 is fixedly disposed at the top end of the housing 9, the top of solid fixed ring 19 is equipped with go-between 20 through the bolt fastening, the fixed cap 21 that is equipped with in top of go-between 20, the inner wall and two first sealing washer 16 sliding connection of cap 21, the fixed riser 22 that is equipped with in middle part on cap 21 top, the fixed first flange 23 that is equipped with in top of riser 22, the top bolt fastening of first flange 23 is equipped with second flange 24, the bottom block of second flange 24 is connected with second sealing washer 26, the fixed intake pipe 25 that is equipped with in top of second flange 24, the fixed card pipe 27 that is equipped with in inner wall of first flange 23, the card pipe 27 is connected with the inner wall block of intake pipe 25 bottom, the equal block in middle part and the top of card pipe 27 is connected with third sealing washer 28, the fixed ring 29 that is equipped with in top of card pipe 27.

Preferably, an input pipe is fixedly arranged at one end of the valve body 1, an output pipe is fixedly arranged at the other end of the valve body 1, connecting flanges are fixedly arranged at one end of the input pipe and one end of the output pipe, and the input pipe and the output pipe are conveniently connected with a pipeline through the two connecting flanges; a baffle 4 is fixedly arranged inside the connecting pipe 3, the middle part of the baffle 4 is connected with a valve rod 6 in a sliding way, the bottom end of the valve rod 6 penetrates through the valve body 1 and is fixedly provided with a valve core 7, and the valve rod 6 is not easy to incline; the spring 8 is sleeved on the surface of the valve rod 6, the bottom end of the spring 8 is overlapped with the top end of the baffle 4, the stainless steel circular plate 13 can be supported by arranging the spring 8, and the bottom end of the spring 8 can be supported by the baffle 4; a sealing packing 5 is fixedly arranged inside the connecting pipe 3, the sealing packing 5 is connected with the valve rod 6 in a sliding manner, and the valve rod 6 can be sealed through the sealing packing 5; ribbed plates 14 are fixedly arranged on four sides of the supporting plate 12, the top ends of the four ribbed plates 14 are fixedly connected with the four sides of the bottom end of the stainless steel circular plate 13 respectively, and the firmness between the stainless steel circular plate 13 and the supporting plate 12 can be improved through the four ribbed plates 14.

When the pneumatic control valve is used specifically, when the valve body 1 needs to be closed, gas is input through the air inlet pipe 25, the air pressure inside the housing cover 21 is increased, the two first sealing rings 16 can seal the gas inside the housing cover 21, the second sealing ring 26 can seal the air inlet pipe 25 and the vertical pipe 22, the two third sealing rings 28 can seal the air inlet pipe 25 and the vertical pipe 22 for the second time, the gas is not easy to leak, the clamping pipe 27 supports the air inlet pipe 25, the air inlet pipe 25 is not easy to incline, the attaching degree between the two third sealing rings 28 and the inner wall of the air inlet pipe 25 can be improved, the gas pushes the stainless steel circular plate 13 to descend, the four sliding grooves 11 are connected with the sliding blocks 18 of the four connecting rods 17 in a sliding manner, the stainless steel circular plate 13 can be guided, the stainless steel circular plate 13 is prevented from inclining, the stainless steel circular plate 13 pushes the valve core 7 to be contacted with the valve seat 2, the valve body 1 can be closed, and when the valve body 1 needs to be opened, reduce the inside atmospheric pressure of cap 21, spring 8 promotes stainless steel plectane 13 and rises, makes case 7 and disk seat 2 separation, can open valve body 1, because the middle part and the valve rod 6 threaded connection of layer board 12 bottom need not adopt the bolt to fix it, when needing to its installation with dismantle, opens cap 21, rotates stainless steel plectane 13, can install and tear it open.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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

Claims

1. Pneumatic control valve, including valve body (1), shell (9) and stainless steel plectane (13), its characterized in that, the inside of valve body (1) is fixed and is equipped with disk seat (2), the fixed connecting pipe (3) that is equipped with in top of valve body (1), the fixed shell (9) that is equipped with in top of connecting pipe (3), the inner wall of four avris of shell (9) all fixes and is equipped with bumping post (10), four spout (11) have all been seted up to one side of bumping post (10), four spout (11) all have connecting rod (17) through slider (18) sliding connection, four the top of connecting rod (17) respectively with four avris fixed connection of stainless steel plectane (13) bottom, the top of stainless steel plectane (13) is fixed and is equipped with lift ring (15), the top and the bottom of lift ring (15) all block and be connected with first sealing washer (16), the middle part of the bottom end of the stainless steel circular plate (13) is fixedly provided with a supporting plate (12), the middle part of the bottom end of the supporting plate (12) is in threaded connection with a valve rod (6), the top end of the shell (9) is fixedly provided with a fixing ring (19), the top end of the fixing ring (19) is fixedly provided with a connecting ring (20) through bolts, the top end of the connecting ring (20) is fixedly provided with a shell cover (21), the inner wall of the shell cover (21) is in sliding connection with two first sealing rings (16), the middle part of the top end of the shell cover (21) is fixedly provided with a vertical pipe (22), the top end of the vertical pipe (22) is fixedly provided with a first flange (23), the top end of the first flange (23) is fixedly provided with a second flange (24), the bottom end of the second flange (24) is clamped and connected with a second sealing ring (26), and the top end of the second flange (24) is fixedly provided with an air inlet pipe (25), the fixed card pipe (27) that is equipped with in inner wall of first flange (23), card pipe (27) are connected with the inner wall block of intake pipe (25) bottom, the middle part and the equal block in top of card pipe (27) are connected with third sealing washer (28), the fixed ring (29) of inserting that is equipped with in top of card pipe (27).

2. The pneumatic regulator valve according to claim 1, wherein: the valve is characterized in that an input pipe is fixedly arranged at one end of the valve body (1), an output pipe is fixedly arranged at the other end of the valve body (1), and a connecting flange is fixedly arranged at one end of the input pipe and one end of the output pipe.

3. The pneumatic regulator valve according to claim 1, wherein: the valve is characterized in that a baffle (4) is fixedly arranged inside the connecting pipe (3), the middle of the baffle (4) is connected with the valve rod (6) in a sliding mode, and the bottom end of the valve rod (6) penetrates through the valve body (1) and is fixedly provided with a valve core (7).

4. A pneumatic regulating valve according to claim 3, wherein: the surface cover of valve rod (6) is equipped with spring (8), the bottom of spring (8) and the top overlap joint of baffle (4).

5. The pneumatic regulator valve according to claim 1, wherein: the inside of connecting pipe (3) is fixed and is equipped with sealed packing (5), sealed packing (5) and valve rod (6) sliding connection.

6. The pneumatic regulator valve according to claim 1, wherein: and rib plates (14) are fixedly arranged on four side edges of the supporting plate (12), and the top ends of the rib plates (14) are fixedly connected with the four side edges at the bottom end of the stainless steel circular plate (13) respectively.