CN213361139U

CN213361139U - Connecting device of regulating valve and actuator

Info

Publication number: CN213361139U
Application number: CN202022295478.5U
Authority: CN
Inventors: 杨涤
Original assignee: Jinan Gongda Jieneng Technology Development Co ltd
Current assignee: Jinan Gongda Jieneng Technology Development Co ltd
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-06-04
Anticipated expiration: 2030-10-15

Abstract

The utility model discloses a connecting device of governing valve and executor, including valve case, hex bolts, first hexagon nut, spring washer, case and recess, the fixed metal winding pad that is provided with of valve case downside, and the below movable mounting that the metal wound filled up has the blind plate to the inside movable mounting of blind plate has hexagon bolt, hexagon bolt's front end movable mounting has first hexagon nut, the inside of valve case is provided with the case, and the center department movable mounting of case upside has the valve rod, the top movable mounting of valve case has sealed letter, and the upside fixedly connected with executor body of sealed letter, be provided with the valve mouth ring between the outside of case and the valve case, and the inside movable mounting of valve case has the cylinder liner. The connecting device of the regulating valve and the actuator is directly connected with the actuator, the sealing box can be replaced to match with various actuators, and meanwhile, the condition that a follow-up valve port ring falls off can be avoided.

Description

Connecting device of regulating valve and actuator

Technical Field

The utility model relates to a governing valve technical field specifically is a connecting device of governing valve and executor.

Background

When the regulating valve is used for controlling the fluid flow, the flow is controlled by controlling the expansion and contraction of the valve rod through the actuator, and the regulating valve has the following problems when in use:

(1) because the actuators are various in types, different in types and different in connection mode, when the actuators are connected with the pulsation force, the actuators can be connected to the regulating valve only through the heat insulation frame, and because the valve rods are different in length and the diameters of the connection positions of the valve rods and the actuators are different, the actuators are connected through the extension rod;

(2) the valve rod is connected with the extension rod by a nut and a screw plug, and the reliability of operation is reduced because the valve rod does reciprocating motion;

(3) when the regulating valve is connected with the actuator through the heat insulation frame, the assembly is complex and the disassembly is inconvenient.

We therefore propose a connection device of a regulating valve to an actuator in order to solve the problems set out above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a connecting device of governing valve and executor to when the governing valve on the present market that the solution above-mentioned background art provided is connected through thermal-insulated frame with the executor, the assembly is complicated, and it is inconvenient to dismantle, because reciprocating motion is to the valve rod moreover, has reduced the problem of the reliability of operation.

In order to achieve the above object, the utility model provides a following technical scheme: a connecting device of an adjusting valve and an actuator comprises a valve housing, a hexagon bolt, a first hexagon nut, a spring washer, a valve core and a groove, wherein a metal winding pad is fixedly arranged at the lower side of the valve housing, a blind plate is movably arranged below the metal winding pad, the hexagon bolt is movably arranged inside the blind plate, the first hexagon nut is movably arranged at the front end of the hexagon bolt, the valve core is arranged inside the valve housing, a valve rod is movably arranged at the center of the upper side of the valve core, a sealing box is movably arranged at the top end of the valve housing, an actuator body is fixedly connected to the upper side of the sealing box, a valve orifice ring is arranged between the outer side of the valve core and the valve housing, a cylinder sleeve is movably arranged inside the valve housing, a dust ring is movably arranged above the inside of the cylinder sleeve, and a hole elastic retainer ring is movably, and the middle and the lower part inside the cylinder sleeve are respectively movably provided with an inner O-shaped sealing ring, the outer surface of the cylinder sleeve is provided with a groove, the inner part of the cylinder sleeve is movably provided with an outer O-shaped sealing ring, the bottom end of the valve rod is movably connected with a second hexagon nut, and a spring washer is movably arranged between the second hexagon nut and the valve rod.

Preferably, the hexagon bolt and the first hexagon nut are symmetrically distributed on the left side and the right side of the blind plate, and the blind plate and the valve shell form a detachable structure through the hexagon bolt and the first hexagon nut.

Preferably, the size of the inner O-shaped sealing ring is smaller than that of the outer O-shaped sealing ring, and 2 inner O-shaped sealing rings are arranged inside the cylinder sleeve.

Preferably, the outer O-shaped sealing ring and the inner O-shaped sealing ring are both circular rings with circular longitudinal sections, and the outer O-shaped sealing ring forms a compression structure with the valve shell through the cylinder sleeve.

Preferably, the second hexagonal nut is made of stainless steel, the second hexagonal nut and the valve rod are in threaded connection, and the spring washer forms a compression structure between the second hexagonal nut and the valve rod.

Preferably, the central axes of the sealing box and the valve rod are on the same straight line, the sealing box and the valve shell are in threaded connection, and the valve shell and the valve port ring are of an integrated structure.

Compared with the prior art, the beneficial effects of the utility model are that: the connecting device of the regulating valve and the actuator comprises:

(1) the actuator is arranged on the device, and the actuator is directly connected with the device, so that the installation is simple and convenient, the installation working time is saved, and compared with the traditional regulating valve, the device removes a heat insulation frame, the production cost of the device is reduced, and the practicability of the device is improved;

(2) compared with the traditional regulating valve, the regulating valve reduces the extension bar, increases the operation reliability and improves the use effect of the device;

(3) the sealing box installed through the threads is arranged in the regulating valve, so that the subsequent disassembling and assembling work of the whole sealing box is facilitated, the sealing box can be disassembled and assembled to match with various actuators, and the use diversity and the application range of the device are improved;

(4) this equipment valve mouth ring and valve body structure as an organic whole carry out the molten iron casting stage of mould production at the valve body and can wrap up the valve mouth ring through the molten iron for the device compares in the in-process procedure of the processing that traditional equipment used still less, has practiced thrift the cost of manpower and material resources, and the condition of avoiding follow-up valve mouth ring to drop takes place simultaneously.

Drawings

FIG. 1 is a schematic overall front sectional view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1 at B according to the present invention;

fig. 4 is a schematic view of the connection structure between the valve housing and the valve core of the present invention.

In the figure: 1. a valve housing; 2. a blind plate; 3. a metal wrap pad; 4. a hexagon bolt; 5. a first hexagonal nut; 6. a circlip for a hole; 7. an inner O-shaped sealing ring; 8. an outer O-ring seal; 9. a cylinder liner; 10. a second hexagonal nut; 11. a spring washer; 12. a valve core; 13. a valve stem; 14. sealing the box; 15. a valve orifice ring; 16. a dust ring; 17. an actuator body; 18. and (4) a groove.

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. 1-4, the present invention provides a technical solution: a connecting device of a regulating valve and an actuator comprises a valve shell 1, a blind plate 2, a metal winding pad 3, a hexagon bolt 4, a first hexagon nut 5, a circlip 6 for holes, an inner O-shaped sealing ring 7, an outer O-shaped sealing ring 8, a cylinder sleeve 9, a second hexagon nut 10, a spring washer 11, a valve core 12, a valve rod 13, a sealing box 14, a valve port ring 15, a dust ring 16, an actuator body 17 and a groove 18, wherein the metal winding pad 3 is fixedly arranged on the lower side of the valve shell 1, the blind plate 2 is movably arranged below the metal winding pad 3, the hexagon bolt 4 is movably arranged in the blind plate 2, the first hexagon nut 5 is movably arranged at the front end of the hexagon bolt 4, the valve core 12 is arranged in the valve shell 1, the valve rod 13 is movably arranged at the center of the upper side of the valve core 12, the sealing box 14 is movably arranged at the top end of the valve shell 1, and the actuator body 17, be provided with between the outside of case 12 and the valve case 1 and have a case ring 15, and the inside movable mounting of valve case 1 has cylinder liner 9, and the top movable mounting of the inside of cylinder liner 9 has dust ring 16, the outside movable mounting of cylinder liner 9 below has porose circlip 6, and the equal movable mounting in the centre of cylinder liner 9 and below has interior O type sealing washer 7, and recess 18 has been seted up to the surface of cylinder liner 9, the inside movable mounting of cylinder liner 9 has outer O type sealing washer 8, the bottom swing joint of valve rod 13 has second hexagon nut 10, and movable mounting has spring washer 11 between second hexagon nut 10 and the valve rod 13.

Hexagon bolt 4 and first hexagon nut 5 symmetric distribution are in the left and right sides of blind plate 2, and blind plate 2 passes through hexagon bolt 4 and constitutes detachable construction between first hexagon nut 5 and the valve case 1, and the convenience is wholly dismantled the device and has promoted the convenience that the device used to the convenience.

The size of interior O type sealing washer 7 is less than the size of outer O type sealing washer 8, and interior O type sealing washer 7 is provided with 2 in the inside of cylinder liner 9, can guarantee sealed effect through the inside interior O type sealing washer 7 of device and outer O type sealing washer 8.

The outer O-shaped sealing ring 8 and the inner O-shaped sealing ring 7 are both circular ring bodies with the longitudinal section being circular, the outer O-shaped sealing ring 8 forms a compression structure between the cylinder sleeve 9 and the valve shell 1, and the stability of the device during installation can be guaranteed through the compression structure on the device.

The material of second hexagon nut 10 is stainless steel material, and be threaded connection between second hexagon nut 10 and the valve rod 13, and spring washer 11 passes through to constitute compact structure between second hexagon nut 10 and the valve rod 13, can be through the second hexagon nut 10 hoisting device's of the inside stainless steel material of device durability.

The axis of sealed box 14 and valve rod 13 is on same straight line, and is threaded connection between sealed box 14 and the valve case 1 to valve case 1 and valve port ring 15 structure as an organic whole, convenient follow-up dismantlement sealed box 14, thereby adapt to different executor bodies 17, promoted the application scope of device, avoid the condition that follow-up valve port ring 15 drops to take place.

The working principle is as follows: when the connecting device of the regulating valve and the actuator is used, as shown in fig. 1-3, when the device is used, the valve housing 1 and the cylinder sleeve 9 are lapped through the elastic retainer ring 6 through a hole, the inner O-shaped sealing ring 7 in the cylinder sleeve 9 and the outer O-shaped sealing ring 8 in the groove 18 outside the cylinder sleeve 9 ensure the integral sealing performance, the valve rod 13 is controlled to work through the actuator body 17 on the sealing box 14 at the top end of the device, the dust ring 16 on the cylinder sleeve 9 can prevent dust from entering the device to influence the normal work of the device, the valve port ring 15 of the device is placed in a mold in the process of casting molten iron in the valve housing 1, so that the valve port ring 15 is fixed into the valve housing 1, the subsequent falling of the valve port ring 15 is avoided, and the purpose of reducing the working procedures is achieved;

as shown in fig. 1 and 4, the valve rod 13 is stably installed below the valve core 12 through the second hexagon nut 10 and the spring washer 11, and due to the threaded connection between the valve housing 1 and the sealing box 14, a new sealing box 14 can be installed by detaching the sealing box 14 subsequently, so as to match with various actuator bodies 17 for operation, and the blind plate 2 can be detached and installed integrally through the hexagon bolts 4 and the first hexagon nuts 5 on the left and right sides below the device, which is the operation process of the whole device, and the content not described in detail in this specification belongs to the prior art known to those skilled in the art.

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 or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a connecting device of governing valve and executor, includes valve case (1), hex bolts (4), first hexagon nut (5), spring washer (11), case (12) and recess (18), its characterized in that: the device is characterized in that a metal winding pad (3) is fixedly arranged on the lower side of the valve shell (1), a blind plate (2) is movably arranged below the metal winding pad (3), a hexagon bolt (4) is movably arranged inside the blind plate (2), a first hexagon nut (5) is movably arranged at the front end of the hexagon bolt (4), a valve core (12) is arranged inside the valve shell (1), a valve rod (13) is movably arranged at the center of the upper side of the valve core (12), a sealing box (14) is movably arranged at the top end of the valve shell (1), an actuator body (17) is fixedly connected to the upper side of the sealing box (14), a valve opening ring (15) is arranged between the outer side of the valve core (12) and the valve shell (1), a cylinder sleeve (9) is movably arranged inside the valve shell (1), and a dust ring (16) is movably arranged above the inside of the cylinder sleeve (9, the utility model discloses a valve rod, including cylinder liner (9), the inside middle of cylinder liner (9) and the equal movable mounting in below of the outside movable mounting of cylinder liner below have interior O type sealing washer (7) to the surface of cylinder liner (9) is seted up flutedly (18), the inside movable mounting of cylinder liner (9) has outer O type sealing washer (8), the bottom swing joint of valve rod (13) has second hexagon nut (10), and movable mounting has spring washer (11) between second hexagon nut (10) and valve rod (13).

2. A regulator valve and actuator coupling as defined in claim 1, wherein: the hexagonal bolt (4) and the first hexagonal nut (5) are symmetrically distributed on the left side and the right side of the blind plate (2), and the blind plate (2) forms a detachable structure with the valve shell (1) through the hexagonal bolt (4) and the first hexagonal nut (5).

3. A regulator valve and actuator coupling as defined in claim 1, wherein: the size of the inner O-shaped sealing ring (7) is smaller than that of the outer O-shaped sealing ring (8), and 2 inner O-shaped sealing rings (7) are arranged in the cylinder sleeve (9).

4. A regulator valve and actuator coupling as defined in claim 1, wherein: the outer O-shaped sealing ring (8) and the inner O-shaped sealing ring (7) are both circular ring bodies with circular longitudinal sections, and the outer O-shaped sealing ring (8) forms a compression structure with the valve shell (1) through the cylinder sleeve (9).

5. A regulator valve and actuator coupling as defined in claim 1, wherein: the material of second hexagon nut (10) is stainless steel material, and is threaded connection between second hexagon nut (10) and valve rod (13), spring washer (11) constitute compact structure through between second hexagon nut (10) and valve rod (13).

6. A regulator valve and actuator coupling as defined in claim 1, wherein: the central axes of the sealing box (14) and the valve rod (13) are on the same straight line, the sealing box (14) and the valve shell (1) are in threaded connection, and the valve shell (1) and the valve port ring (15) are of an integrated structure.