CN220016141U - Pneumatic angle seat valve with high durability - Google Patents

Abstract

The utility model discloses a pneumatic angle seat valve with high durability, and relates to the technical field of angle seat valves. The valve comprises a valve body and a pneumatic actuator shell, wherein a piston column is arranged in the valve body, an arc-shaped groove matched with a valve core is formed in one side of the piston column, a third sealing ring matched with the inner wall of the valve body is fixedly sleeved on the outer wall of the piston column, one end of the piston column is fixedly connected with a valve rod, the inner wall of the valve body is in threaded connection with a connecting sleeve, and the pneumatic actuator shell is fixedly connected with the other end of the connecting sleeve. According to the utility model, the piston plate is pushed to move by the gas, the piston plate moves to drive the valve rod to rotate, and the piston column is driven to rotate, so that the arc-shaped groove corresponds to the valve core or is dislocated, the opening and closing effects are achieved, the piston column can only rotate in the valve body but cannot move up and down, the abrasion of the sealing element is greatly reduced, and the service life of the sealing element is prolonged.

Description

Pneumatic angle seat valve with high durability

Technical Field

The utility model belongs to the technical field of angle seat valves, and particularly relates to a pneumatic angle seat valve with high durability.

Background

The angle seat valve is a guide angle seat valve operated by adopting a single-action pneumatic actuator with spring safety protection, is widely applied to short-time frequent starting, keeps the flow rate, can save space, and has the characteristics of sensitive response and accurate action;

through retrieval, the utility model with the bulletin number of CN216590210U discloses a pneumatic angle seat valve, which comprises a pneumatic executive component and a valve body executive component, wherein the valve body executive component comprises a valve body capable of convection, a fixed block arranged at the joint of the pneumatic executive component and the valve body, a circulation cavity arranged at the convection part of the valve body, an inflow opening and an outflow opening are respectively formed in the bottom and the side wall of the circulation cavity, the pneumatic angle seat valve further comprises a sliding block sleeved on a cylinder extension rod in the pneumatic executive component, the free end of the cylinder extension rod penetrates into the circulation cavity to be detachably connected with the inflow opening, limiting blocks are symmetrically and fixedly connected at the two ends of the cylinder extension rod in the circulation cavity, and a first waterproof gasket and a second waterproof gasket are respectively arranged at the two sides of the limiting blocks.

The device also has the following disadvantages when in use: when the valve rod is used, the valve rod is driven to move up and down through gas, the inflow port is opened and closed, and the valve rod frequently moves up and down in a short time, so that the internal sealing mechanism is worn, and leakage is caused in severe cases.

Disclosure of Invention

The utility model aims to provide a pneumatic angle seat valve with high durability, which is characterized in that a piston plate is pushed to move by gas, the piston plate moves to drive a valve rod to rotate to drive a piston column to rotate, an arc groove corresponds to a valve core or is dislocated, so that an opening and closing effect is achieved, the piston column can only rotate in a valve body and cannot move up and down, the abrasion of a sealing element is greatly reduced, the service life of the sealing element is prolonged, and the prior technical problem is solved.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

a highly durable pneumatic angle seat valve comprising: the valve body and the shell of the pneumatic actuator,

a piston column is arranged in the valve body, an arc-shaped groove matched with the valve core is formed in one side of the piston column, a third sealing ring matched with the inner wall of the valve body is fixedly sleeved on the outer wall of the piston column, one end of the piston column is fixedly connected with a valve rod, and the inner wall of the valve body is in threaded connection with a connecting sleeve;

the pneumatic actuator shell is fixedly connected to the other end of the connecting sleeve, the valve rod penetrates through the connecting sleeve and extends into the pneumatic actuator shell, a sealing gasket is fixedly connected to the inner wall of the bottom of the pneumatic actuator shell, the sealing gasket is rotatably sleeved on the valve rod, two air holes are formed in the outer wall of the pneumatic actuator shell, and an air pipe is fixedly connected to the outer side of each air hole;

the transmission mechanism is arranged in the pneumatic actuator shell and used for driving the valve rod to rotate, driving the piston column to rotate, enabling the arc-shaped groove to be staggered with the valve core, and driving the valve rod to rotate through the transmission mechanism, so that the piston column can be driven to rotate, and the size of the dislocation of the arc-shaped groove and the valve core can be used for adjusting the water flow size and the opening and closing effect.

Optionally, drive mechanism includes the helicla flute of seting up at the valve rod outer wall, the inner wall slip of helicla flute is equipped with the sliding block, the outer wall cover of valve rod is equipped with the piston board, sliding block fixed connection is at the inner wall of piston board, and the piston board removes and can drive the valve rod and rotate, the inner wall fixedly connected with gag lever post of pneumatic actuator shell, the sliding tray of using with the gag lever post cooperation has been seted up to the outer wall of piston board, prevents to rotate when the piston board removes.

Optionally, the outer wall cover of valve rod is equipped with the spring, the top inner wall of pneumatic actuator shell is equipped with the regulating plate, the both ends of spring respectively with the mutual near one side fixed connection of piston plate and regulating plate, the piston plate can automatic re-setting when messenger's outage.

Optionally, the outer wall fixed cover of valve rod is equipped with the limiting plate, the bottom fixedly connected with first sealing ring of limiting plate, first sealing ring offsets with the valve body and contacts, makes between 1 and the valve rod sealed.

Optionally, the outer wall of valve rod rotates the cover and is equipped with the swivel becket, the inner wall of valve body is equipped with the clamp plate, the top of clamp plate is contradicted with the adapter sleeve, the bottom of clamp plate is equipped with the second sealing ring, the second sealing ring is inconsistent with the swivel becket, not only enables the valve body and carries out one step of sealedly, can also carry out spacingly to the valve rod.

Optionally, threaded connection has the bolt is run through at the top of pneumatic actuator shell, the regulating plate rotates the cover and establishes on the bolt, twists the compression stroke that the bolt can the adjusting spring to can restrict the travel distance of piston plate, be convenient for control piston post rotation angle.

The embodiment of the utility model has the following beneficial effects:

the piston plate is pushed by the gas to move, the piston plate moves to drive the valve rod to rotate, and the piston column is driven to rotate, so that the arc-shaped groove corresponds to the valve core or is dislocated, the opening and closing effects are achieved, the piston column can only rotate in the valve body and cannot move up and down, the abrasion of the sealing element is greatly reduced, and the service life of the sealing element is prolonged.

Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic three-dimensional structure of an embodiment of the present utility model;

FIG. 2 is a schematic diagram showing a cross-sectional structure of a valve body according to an embodiment of the present utility model;

FIG. 3 is a schematic cross-sectional view of an actuator according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a valve stem and piston plate structure according to an embodiment of the present utility model;

fig. 5 is a schematic diagram of a piston-cylinder structure according to an embodiment of the utility model.

In the figure: 1. a valve body; 2. connecting sleeves; 3. a pneumatic actuator housing; 4. a piston column; 5. an arc-shaped groove; 6. a limiting plate; 7. a first seal ring; 8. a rotating ring; 9. a second seal ring; 10. a pressing plate; 11. a sealing gasket; 12. a piston plate; 13. a spring; 14. an adjusting plate; 15. a bolt; 16. a valve stem; 17. air holes; 18. an air pipe; 19. a spiral groove; 20. a sliding block; 21. a limit rod; 22. a sliding groove; 23. and a third seal ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

In the description of the present utility model, it should be understood that the terms "open," "upper," "middle," "length," "inner," and the like indicate an orientation or a positional relationship, and are merely for convenience of describing the present utility model and simplifying the description, but do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In order to keep the following description of the embodiments of the present utility model clear and concise, the detailed description of known functions and known components thereof have been omitted.

Example 1

Referring to fig. 1-3, a highly durable pneumatic angle seat valve, comprising: the valve body 1 and the pneumatic actuator housing 3,

a piston column 4 is arranged in the valve body 1, an arc-shaped groove 5 matched with the valve core for use is formed in one side of the piston column 4, a third sealing ring 23 matched with the inner wall of the valve body 1 for use is fixedly sleeved on the outer wall of the piston column 4, a valve rod 16 is fixedly connected to one end of the piston column 4, and a connecting sleeve 2 is connected to the inner wall of the valve body 1 in a threaded manner;

the pneumatic actuator shell 3 is fixedly connected to the other end of the connecting sleeve 2, the valve rod 16 penetrates through the connecting sleeve 2 and extends into the pneumatic actuator shell 3, the inner wall of the bottom of the pneumatic actuator shell 3 is fixedly connected with the sealing gasket 11, the sealing gasket 11 is rotatably sleeved on the valve rod 16, two air holes 17 are formed in the outer wall of the pneumatic actuator shell 3, and an air pipe 18 is fixedly connected to the outer side of the air holes 17;

the transmission mechanism is arranged in the pneumatic actuator shell 3 and used for driving the valve rod 16 to rotate and driving the piston column 4 to rotate, so that the arc-shaped groove 5 and the valve core are dislocated, in the technical scheme, gas enters the pneumatic actuator shell 3 through the gas pipe 18 and the gas hole 17, and the transmission mechanism drives the valve rod 16 to rotate, so that the piston column 4 is driven to rotate, the arc-shaped groove 5 and the valve core are dislocated, and the opening and closing effects are achieved.

Referring to fig. 4, the transmission mechanism includes a spiral groove 19 formed on the outer wall of the valve rod 16, a sliding block 20 is slidably disposed on the inner wall of the spiral groove 19, a piston plate 12 is sleeved on the outer wall of the valve rod 16, the sliding block 20 is fixedly connected to the inner wall of the piston plate 12, a limit rod 21 is fixedly connected to the inner wall of the pneumatic actuator housing 3, a sliding groove 22 matched with the limit rod 21 is formed on the outer wall of the piston plate 12, in the technical scheme, gas enters the pneumatic actuator housing 3 through the air hole 17, can drive the piston plate 12 to move upwards, the piston plate 12 can drive the valve rod 16 to rotate through the sliding block 20 and the spiral groove 19, the valve rod 16 can drive the piston rod 4 to rotate through rotation of the valve rod 16, and the valve rod 16 can also be directly driven to rotate through an angle rotating motor.

Referring to fig. 3, a spring 13 is sleeved on the outer wall of a valve rod 16, an adjusting plate 14 is arranged on the inner wall of the top of a pneumatic actuator housing 3, two ends of the spring 13 are fixedly connected with one side, close to each other, of the piston plate 12 and the adjusting plate 14 respectively, in the technical scheme, the piston plate 12 moves upwards to squeeze the spring 13 under the action of gas, and when gas exists between the piston plate 12 and a sealing gasket 11, the piston plate 12 automatically resets under the action of the spring 13, so that the valve rod 16 can be driven to rotate reversely, and automatic opening is facilitated.

Referring to fig. 2, the outer wall rotation cover of valve rod 16 is equipped with swivel becket 8, and the inner wall of valve body 1 is equipped with clamp plate 10, and clamp plate 10's top is contradicted with adapter sleeve 2, and clamp plate 10's bottom is equipped with second sealing ring 9, and second sealing ring 9 is inconsistent with swivel becket 8, and through adapter sleeve 2 conflict clamp plate 10 in the above-mentioned technical scheme, clamp plate 10 is inconsistent with swivel becket 8 through second sealing ring 9, is convenient for carry out spacingly to valve rod 16, not only can prevent that valve rod 16 from removing, can further seal valve body 1.

Example two

Improvement on the basis of the first embodiment: referring to fig. 3, a bolt 15 is connected to the top of the pneumatic actuator housing 3 through a thread, and an adjusting plate 14 is rotatably sleeved on the bolt 15, in the above technical scheme, the adjusting plate 14 can be driven to move into the pneumatic actuator housing 3 by the driving bolt 15, so that the compression distance of the spring 13 is reduced, the moving distance of the piston plate 12 is limited, the rotating angle of the valve rod 16 is controlled, and the dislocation of the arc-shaped groove 5 and the valve core is controlled conveniently.

Example III

Improvement on the basis of the first embodiment: referring to fig. 2, a limiting plate 6 is fixedly sleeved on the outer wall of a valve rod 16, a first sealing ring 7 is fixedly connected to the bottom of the limiting plate 6, and the first sealing ring 7 is abutted against the valve body 1, and in the above technical scheme, by adding the first sealing ring 7 between the valve body 1 and the limiting plate 6, the sealing can be performed through the first sealing ring 7, so that liquid cannot flow into the limiting plate 6.

The technical scheme of the utility model comprises the following use flows and working principles:

when the device is used, air is introduced, referring to fig. 2 and 3, the state is that the angle seat valve is opened, water flows from one end to the other end through the arc groove 5, when the device needs to be closed, air enters the pneumatic actuator shell 3 through the air pipe 18 and the air hole 17, the air can drive the piston plate 12 to move upwards, the piston plate 12 moves to drive the sliding block 20 to slide in the spiral groove 19, so that the piston plate 12 can move upwards to drive the valve rod 16 to rotate, the valve rod 16 rotates to drive the piston column 4 to rotate, the piston column 4 rotates to enable the arc groove 5 to be staggered with the valve core in the valve body 1, water does not enter the other end through the arc groove 5, when the water flow is required to be regulated, the bolt 15 can be screwed, the bolt 15 can move inwards to the pneumatic actuator shell 3 to drive the regulating plate 14, the compression distance of the spring 13 is shortened, the rotation angle of the valve rod 16 can be regulated through the movement stroke of the piston plate 12, and thus the rotation angle of the arc groove 5 can be regulated, and the water flow size can be regulated.

It should be noted that in the description of the present specification, descriptions such as "first", "second", etc. are merely for distinguishing features, and not in an actual order or sense of orientation, and the present utility model is not limited thereto.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims (6)

1. A highly durable pneumatic angle seat valve, comprising: a valve body (1) and a pneumatic actuator housing (3),

a piston column (4) is arranged in the valve body (1), an arc-shaped groove (5) matched with the valve core for use is formed in one side of the piston column (4), a third sealing ring (23) matched with the inner wall of the valve body (1) for use is fixedly sleeved on the outer wall of the piston column (4), a valve rod (16) is fixedly connected to one end of the piston column (4), and a connecting sleeve (2) is connected to the inner wall of the valve body (1) in a threaded manner;

the pneumatic actuator shell (3) is fixedly connected to the other end of the connecting sleeve (2), the valve rod (16) penetrates through the connecting sleeve (2) and extends into the pneumatic actuator shell (3), a sealing gasket (11) is fixedly connected to the inner wall of the bottom of the pneumatic actuator shell (3), the sealing gasket (11) is rotatably sleeved on the valve rod (16), two air holes (17) are formed in the outer wall of the pneumatic actuator shell (3), and an air pipe (18) is fixedly connected to the outer side of the air holes (17);

the transmission mechanism is arranged in the pneumatic actuator shell (3) and used for driving the valve rod (16) to rotate and driving the piston column (4) to rotate, so that the arc-shaped groove (5) and the valve core are dislocated.

2. The pneumatic angle seat valve with high durability according to claim 1, characterized in that the transmission mechanism comprises a spiral groove (19) formed in the outer wall of the valve rod (16), a sliding block (20) is slidably arranged on the inner wall of the spiral groove (19), a piston plate (12) is sleeved on the outer wall of the valve rod (16), the sliding block (20) is fixedly connected to the inner wall of the piston plate (12), a limiting rod (21) is fixedly connected to the inner wall of the pneumatic actuator housing (3), and a sliding groove (22) matched with the limiting rod (21) is formed in the outer wall of the piston plate (12).

3. A high durability pneumatic angle seat valve according to claim 2, characterized in that the outer wall of the valve rod (16) is sleeved with a spring (13), the top inner wall of the pneumatic actuator housing (3) is provided with an adjusting plate (14), and two ends of the spring (13) are fixedly connected with one side, close to each other, of the piston plate (12) and the adjusting plate (14), respectively.

4. The pneumatic angle seat valve with high durability according to claim 1, wherein a limiting plate (6) is fixedly sleeved on the outer wall of the valve rod (16), a first sealing ring (7) is fixedly connected to the bottom of the limiting plate (6), and the first sealing ring (7) is in contact with the valve body (1).

5. The pneumatic angle seat valve with high durability according to claim 1, wherein the outer wall of the valve rod (16) is rotatably sleeved with a rotating ring (8), the inner wall of the valve body (1) is provided with a pressing plate (10), the top of the pressing plate (10) is abutted against the connecting sleeve (2), the bottom of the pressing plate (10) is provided with a second sealing ring (9), and the second sealing ring (9) is abutted against the rotating ring (8).

6. A high durability pneumatic angle seat valve according to claim 3, wherein the top of the pneumatic actuator housing (3) is connected with a bolt (15) through a screw thread, and the adjusting plate (14) is rotatably sleeved on the bolt (15).