CN216478997U

CN216478997U - Pneumatic angle seat valve with self-checking function

Info

Publication number: CN216478997U
Application number: CN202123187121.6U
Authority: CN
Inventors: 刘宇金; 杭黎娟
Original assignee: Wuxi Skf Machinery Manufacturing Co ltd
Current assignee: Wuxi Skf Machinery Manufacturing Co ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-05-10
Anticipated expiration: 2031-12-17

Abstract

The utility model discloses a pneumatic angle seat valve with self-checking function, including pipe, connecting pipe, drum, end cover, intake pipe, push rod, piston piece and spring one, install the connecting pipe on the pipe annular side, the end cover is installed to the drum other end, two intake pipes of symmetry installation on the drum annular side, the inside slidable mounting of drum has the piston piece, push rod one end is passed inside the drum extends to the connecting pipe, the piston piece is close to end cover one end fixed mounting and is had spring one, and spring one other end fixed mounting is on the end cover. The utility model discloses not only can push away T type round bar through the dwang rotation, promote the push rod and remove and carry out the shutoff to the pipe, can push away T type sloping block through the dwang simultaneously for T type sloping block removes extrusion T type square, and then drives arc splint and remove and assist the centre gripping fixed to T type round bar, can also rotate extrusion torsional spring through the dwang, and the torsion of torsional spring is convenient for the rotation of dwang resets.

Description

Pneumatic angle seat valve with self-checking function

Technical Field

The utility model relates to a pneumatic angle seat valve technical field especially relates to a pneumatic angle seat valve with self-checking function.

Background

The pneumatic angle seat valve keeps the flow velocity and can save space, adopts the guide angle seat valve operated by a single-action pneumatic actuating mechanism with spring safety protection, and when the pneumatic angle seat valve is used, normally open or normally closed is selected, and the air inlet pipe is inflated inside, so that the piston block is driven to slide inside the cylinder, and the push rod is driven to move along the connecting pipe to enter the cylinder, and the closing of the pneumatic angle seat valve is realized.

The pneumatic angle seat valve used at present has certain defects and lacks a self-checking function, and the pneumatic angle seat valve is generally required to be inflated to detect whether the push rod can move into the circular tube or not and whether the circular tube can be completely plugged or not, so that the practicability of the pneumatic angle seat valve is reduced, and therefore, the pneumatic angle seat valve with the self-checking function is very necessary.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a pneumatic angle seat valve with a self-checking function.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a pneumatic angle seat valve with a self-checking function comprises a round pipe, a connecting pipe, a cylinder, an end cover, air inlet pipes, a push rod, a piston block and a first spring, wherein the connecting pipe is installed on the annular side surface of the round pipe, the cylinder is installed at the other end of the connecting pipe, the end cover is installed at the other end of the cylinder, the two air inlet pipes are symmetrically installed on the annular side surface of the cylinder, the piston block is slidably installed inside the cylinder, the push rod is installed at one end, close to the connecting pipe, of the piston block, one end of the push rod penetrates through the cylinder and extends into the connecting pipe, the first spring is fixedly installed at one end of the piston block, the other end of the first spring is fixedly installed on the end cover, two fixed blocks are symmetrically and fixedly installed at one end of the end cover, a rotating rod is rotatably installed between the two fixed blocks, a T-shaped round rod is slidably installed at the middle position of one end of the end cover, one end of the T-shaped round rod penetrates through the end cover and extends into the cylinder and is attached to the piston block, two fixed mounting has the fixed pin between the fixed block, rotate on the fixed pin annular side and install the dwang, fixed mounting has the torsional spring on the fixed pin annular side, and torsional spring outside fixed mounting inside the dwang, dwang one end is laminated with T type round bar mutually.

Furthermore, a first hollow block is fixedly mounted between the two fixing blocks, a second hollow block is fixedly mounted at one end of the end cover, and the first hollow block and the second hollow block are symmetrically assembled on the front side and the rear side of the T-shaped round rod.

Further, hollow block one and two inside equal slidable mounting of hollow block have T type sloping block, T type sloping block top is laminated with the rotating rod bottom end, hollow block one and two equal slidable mounting of one end that are close to each other have T type square with hollow block, and T type square one end extends to hollow block one and two inside and laminate mutually with T type sloping block of hollow block.

Furthermore, two magnetic blocks are symmetrically and fixedly installed at the top ends of the two hollow blocks, and the top ends of the magnetic blocks are attached to the rotating rod in an adsorption mode.

Furthermore, a second spring is installed on the outer side of the T-shaped inclined block, and a third spring is installed on the outer side of the T-shaped square block.

Further, T type square is close to T type round bar one end fixed mounting and has arc splint, arc splint one end is laminated with T type round bar annular side mutually.

Furthermore, one end of the air inlet pipe is connected with an external air suction and inflation device.

Furthermore, the left side and the right side of the annular side surface of the circular tube are symmetrically provided with flange plates.

The utility model has the advantages that:

1. through the rotatory extrusion T type round bar of dwang, and then drive the piston and remove, promote the push rod and remove and carry out the shutoff to the pipe, rotate the dwang around the fixed pin, the dwang rotates and extrudes the torsional spring, the torsion of torsional spring is convenient for the rotation of dwang and is reset, the dwang rotates and extrudees T type round bar, T type round bar receives the extrusion and removes and drive the piston piece and remove, the piston piece removes and drives inside the push rod removes and get into the round pipe, and carry out the shutoff to the pipe, and then realize the purpose that detects, make pneumatic angle seat valve just can detect under the condition of not connecting the inflation apparatus, the practicality of pneumatic angle seat valve has been improved.

2. Extrude T type sloping block through the dwang for T type sloping block removes extrusion T type square, and then it is fixed to drive the arc splint and remove to assist the centre gripping to T type round bar, the dwang rotates and extrudees hollow block one and hollow block two go up T type sloping block, T type sloping block receives the extrusion to remove and extrudees T type square, T type square receives the extrusion to remove and drives the arc splint and remove, the arc splint remove with the laminating of T type round bar, and then carry out the centre gripping to T type round bar and fix.

3. Rotate the extrusion torsional spring through the dwang for the torsional spring produces elasticity, and the torsion of torsional spring is convenient for the rotation of dwang and is reset, and the dwang rotates and adsorbs the laminating with the magnetic path, and the adsorption affinity between magnetic path and the dwang is greater than torsional spring torsion and the sum of a spring force, and then the position of fixed dwang and T type round bar, has improved the stability that detects.

Drawings

Fig. 1 is a schematic perspective view of a pneumatic angle seat valve with a self-checking function according to the present invention;

fig. 2 is a schematic diagram of a self-checking structure of a pneumatic angle seat valve with a self-checking function according to the present invention;

fig. 3 is a schematic view of an assembly structure of a rotating rod of a pneumatic angle seat valve with a self-checking function according to the present invention;

fig. 4 is a schematic structural diagram of a pneumatic angle seat valve with a self-checking function before self-checking provided by the utility model.

In the figure: 1. a circular tube; 2. a connecting pipe; 3. a cylinder; 4. an end cap; 5. an air inlet pipe; 6. a push rod; 7. a piston block; 8. a first spring; 9. a fixed block; 10. rotating the rod; 11. a T-shaped round bar; 12. a fixing pin; 13. a torsion spring; 14. a first hollow block; 15. a hollow block II; 16. a T-shaped inclined block; 17. a T-shaped square block; 18. an arc-shaped splint; 19. a magnetic block.

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. It should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and their meaning in the context of this patent may be understood by those skilled in the art as appropriate.

Referring to fig. 1-4, a pneumatic angle seat valve with a self-checking function comprises a round pipe 1, a connecting pipe 2, a cylinder 3, an end cover 4, an air inlet pipe 5, a push rod 6, a piston block 7 and a spring I8, wherein the connecting pipe 2 is welded on the annular side surface of the round pipe 1, two air inlet pipes 5 are welded at the other end of the connecting pipe 2 through threads, a piston block 7 is movably installed inside the cylinder 3, the push rod 6 is installed at one end, close to the connecting pipe 2, of the piston block 7, one end of the push rod 6 penetrates through the cylinder 3 and extends into the connecting pipe 2, the air inlet pipe 5 positioned at the upper side is inflated, air enters the cylinder 3 to extrude the piston block 7, the piston block 7 moves downwards, the piston moves downwards to drive the push rod 6 to move to plug the connecting pipe 2, the pneumatic angle seat valve is closed, and the other air inlet pipe 5 is inflated, the piston is enabled to move upwards, the push rod 6 is further driven to move upwards and contract inside the connecting pipe 2, the pneumatic angle seat valve is opened, the first spring 8 is welded at one end, close to the end cover 4, of the piston block 7, the other end of the first spring 8 is welded on the end cover 4, the first spring 8 is designed to facilitate movement and resetting of the piston block 7, the pneumatic angle seat valve is enabled to be in an opening state, two fixing blocks 9 are symmetrically welded at one end of the end cover 4, a rotating rod 10 is rotatably installed between the two fixing blocks 9, a T-shaped round rod 11 is movably installed at the middle position of one end of the end cover 4, one end of the T-shaped round rod 11 extends through the end cover 4 to the interior of the cylinder 3 to be attached to the piston block 7, the T-shaped round rod 11 moves to facilitate driving of the piston block 7 to move, a fixing pin 12 is welded between the two fixing blocks 9, the rotating rod 10 is rotatably installed on the annular side face of the fixing pin 12 through a bearing, and a torsion spring 13 is welded on the annular side face of the fixing pin 12, and the outside welding of torsional spring 13 is inside dwang 10, and the design of torsional spring 13 is convenient for the rotation of dwang 10 to reset, and dwang 10 one end is laminated with T type round bar 11 mutually, and dwang 10 rotates and is convenient for extrude T type round bar 11.

In the utility model, it should be noted that a hollow block 14 is installed between two fixed blocks 9 through a bolt, a hollow block two 15 is welded at one end of an end cover 4, the hollow block one 14 and the hollow block two 15 are symmetrically assembled at the front side and the rear side of a T-shaped round bar 11, a T-shaped inclined block 16 is movably installed inside the hollow block one 14 and the hollow block two 15, the top end of the T-shaped inclined block 16 is attached to the bottom end of the rotating bar 10, a T-shaped square block 17 is movably installed at one end of the hollow block one 14 and the hollow block two 15 close to each other, one end of the T-shaped square block 17 extends into the hollow block one 14 and the hollow block two 15 and is attached to the T-shaped inclined block 16, the T-shaped inclined block 16 is moved to extrude the T-shaped square block 17, two magnetic blocks 19 are symmetrically installed at the top end of the hollow block two 15 through a bolt, the top end of the magnetic block 19 is attached to the rotating bar 10 in an adsorption manner, the magnetic block 19 is convenient for fixing the position of the rotating bar 10, a spring two springs are assembled outside the T-shaped inclined blocks 16, the T type square 17 outside is equipped with spring three, and the removal that T type sloping block 16 and T type square 17 were convenient for in the design of spring two and spring three resets, and T type square 17 is close to 11 one end of T type round bar and has arc splint 18 through the mounting screw, and 18 one end of arc splint are laminated mutually with 11 annular sides of T type round bar, and the design of arc splint 18 is convenient for assist the centre gripping to T type round bar 11 and is fixed, has improved T type round bar 11 stability.

Particularly, one end of the air inlet pipe 5 is connected with external air pumping and inflating equipment, the design is convenient for inflating and evacuating the interior of the cylinder 3, the left side and the right side of the annular side surface of the circular pipe 1 are symmetrically welded with flange plates, and the design of the flange plates is convenient for installing the pneumatic angle seat valve at the position of a water pipe connection.

The working principle is as follows: when the pneumatic angle seat valve needs to be self-checked, a user rotates the rotating rod 10 around the fixing pin 12, the rotating rod 10 rotates to extrude the torsion spring 13, the torsion force of the torsion spring 13 is convenient for the rotating reset of the rotating rod 10, the rotating rod 10 rotates to extrude the T-shaped round rod 11, the T-shaped round rod 11 is extruded and moves to drive the piston block 7 to move, the piston block 7 moves to drive the push rod 6 to move into the round pipe 1 and block the round pipe 1, and further, the detection purpose is realized, the piston block 7 moves to stretch the first spring 8, so that the first spring 8 generates elastic force, the rotating rod 10 rotates to be attached to the magnetic block 19 in an adsorption mode, the adsorption force between the magnetic block 19 and the rotating rod 10 is larger than the sum of the torsion force of the torsion spring 13 and the elastic force of the first spring 8, further, the positions of the rotating rod 10 and the T-shaped round rod 11 are fixed, the detection stability is improved, the rotating rod 10 rotates to extrude the first hollow block 14 and the second T-shaped inclined block 16, the T-shaped sloping block 16 is extruded to move the T-shaped square block 17, the T-shaped square block 17 is extruded to move to drive the arc-shaped clamping plate 18 to move, the arc-shaped clamping plate 18 moves to be attached to the T-shaped round rod 11, and then the T-shaped round rod 11 is clamped and fixed.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The pneumatic angle seat valve with the self-checking function comprises a round pipe (1), a connecting pipe (2), a cylinder (3), an end cover (4), an air inlet pipe (5), a push rod (6), a piston block (7) and a first spring (8), wherein the connecting pipe (2) is installed on the annular side surface of the round pipe (1), the cylinder (3) is installed at the other end of the connecting pipe (2), the end cover (4) is installed at the other end of the cylinder (3), the two air inlet pipes (5) are symmetrically installed on the annular side surface of the cylinder (3), the piston block (7) is installed inside the cylinder (3) in a sliding mode, the push rod (6) is installed at one end, close to the connecting pipe (2), of the piston block (7), the cylinder (3) is penetrated through one end of the push rod (6) and extends into the connecting pipe (2), the first spring (8) is fixedly installed at one end, close to the end cover (4), of the piston block (7), and the other end of the first spring (8) is fixedly arranged on the end cover (4), and is characterized in that one end of the end cover (4) is symmetrically and fixedly provided with two fixed blocks (9), a rotating rod (10) is rotatably arranged between the two fixed blocks (9), a T-shaped round rod (11) is slidably arranged in the middle of one end of the end cover (4), one end of the T-shaped round rod (11) penetrates through the end cover (4) and extends into the cylinder (3) to be attached to the piston block (7), a fixing pin (12) is fixedly arranged between the two fixing blocks (9), a rotating rod (10) is rotatably arranged on the annular side surface of the fixing pin (12), a torsion spring (13) is fixedly arranged on the annular side surface of the fixing pin (12), and the outside of the torsion spring (13) is fixedly installed inside the rotating rod (10), and one end of the rotating rod (10) is attached to the T-shaped round rod (11).

2. The pneumatic angle seat valve with the self-checking function as claimed in claim 1, wherein a first hollow block (14) is fixedly installed between the two fixing blocks (9), a second hollow block (15) is fixedly installed at one end of the end cover (4), and the first hollow block (14) and the second hollow block (15) are symmetrically assembled on the front side and the rear side of the T-shaped round rod (11).

3. The pneumatic angle seat valve with the self-checking function is characterized in that a T-shaped inclined block (16) is slidably mounted inside the first hollow block (14) and the second hollow block (15), the top end of the T-shaped inclined block (16) is attached to the bottom end of the rotating rod (10), a T-shaped block (17) is slidably mounted at one end, close to each other, of the first hollow block (14) and the second hollow block (15), and one end of the T-shaped block (17) extends into the first hollow block (14) and the second hollow block (15) and is attached to the T-shaped inclined block (16).

4. The pneumatic angle seat valve with the self-checking function as claimed in claim 3, wherein two magnetic blocks (19) are symmetrically and fixedly mounted at the top end of the hollow block II (15), and the top ends of the magnetic blocks (19) are attached to the rotating rod (10) in an adsorption manner.

5. The pneumatic angle seat valve with the self-checking function as claimed in claim 3, wherein a second spring is installed on the outer side of the T-shaped inclined block (16), and a third spring is installed on the outer side of the T-shaped square block (17).

6. The pneumatic angle seat valve with the self-checking function as claimed in claim 3, wherein an arc-shaped clamping plate (18) is fixedly installed at one end of the T-shaped block (17) close to the T-shaped round rod (11), and one end of the arc-shaped clamping plate (18) is attached to the annular side face of the T-shaped round rod (11).

7. The pneumatic angle seat valve with the self-checking function as claimed in claim 1, characterized in that one end of the air inlet pipe (5) is connected with an external air suction and inflation device.

8. The pneumatic angle seat valve with the self-checking function as claimed in claim 1, wherein the circular side surface of the circular tube (1) is symmetrically provided with flanges at the left and right sides.