CN216618565U

CN216618565U - Double-valve-rod angle type manual regulating valve

Info

Publication number: CN216618565U
Application number: CN202123045581.5U
Authority: CN
Inventors: 刘国联
Original assignee: Yancheng Fuye Hydraulic Parts Co ltd
Current assignee: Yancheng Fuye Hydraulic Parts Co ltd
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-05-27
Anticipated expiration: 2031-12-06

Abstract

The utility model relates to a double-valve-rod angle type manual regulating valve which comprises a threaded plate, wherein a sealing device and an adjusting device are arranged on a threaded plate cover, the sealing device comprises a threaded rod, a hand wheel, a clamping edge, an outer sleeve, an inner sleeve, a pin and a lifting rod, the threaded rod is in threaded connection with the threaded plate, the hand wheel is installed at the upper end of the threaded rod, the clamping edge is installed at the lower end of the threaded rod, the outer sleeve is in sliding connection with the threaded rod, when a flow discharging device is used and maintenance is carried out, fluid in a valve body needs to be discharged to carry out maintenance, firstly, a discharging bolt is rotated to be dismounted from a discharging opening, so that the fluid in a feeding pipe flows out, then, maintenance is started, convenience in maintenance is guaranteed, and quality of maintenance is improved.

Description

Double-valve-rod angle type manual regulating valve

Technical Field

The utility model relates to the technical field of manual regulating valves, in particular to a double-valve-rod angle type manual regulating valve.

Background

The regulating valve is also called a control valve, and in the field of industrial automation process control, the final control element for changing the process parameters of medium flow, pressure, temperature, liquid level and the like by power operation through receiving the control signal output by a regulating control unit. Generally consisting of an actuator and a valve. If according to the stroke characteristic, the regulating valve can be divided into a straight stroke and an angular stroke; the pneumatic regulating valve, the electric regulating valve and the hydraulic regulating valve can be divided into three types according to the power used by the matched executing mechanism; the method is divided into three types, namely a linear characteristic, an equal percentage characteristic and a parabolic characteristic according to functions and characteristics of the method. Patent No. CN201821578935.8 discloses a manual flow regulating valve.

1. In the scheme, when the integral control is carried out, because the steam is in a high-temperature high-pressure steam pipeline, water particles in the steam can bring huge impact damage to the valve under the driving of high-speed steam. Particularly, at the moment of opening and closing the valve, the flow velocity is increased instantaneously, the water impact on the sealing surface is extremely large, and the flushing is very serious.

2. In the prior art, the fluid resistance is big when current valve is opened and close simultaneously, and sealed face erodees seriously, and it is damaged seriously that long-time back sealed face is erodeed, and life is short, when pressure, temperature were too high moreover, cause the valve easily to leak outward.

3. In the prior art, most valves cannot be conveniently drained during maintenance, and the maintenance process is influenced if the valves cannot be drained during maintenance, so that the maintenance is inconvenient.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model provides a double-valve-rod angle type manual regulating valve to solve the technical problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: double valve rod angle formula manual regulation valve, including the threading board, the threading board is covered and is provided with sealing device and adjusting device, sealing device includes threaded rod, hand wheel, joint limit, overcoat, endotheca, pin and lifter, threaded rod threaded connection is on the threading board, the hand wheel is installed to the upper end of threaded rod, and the joint limit is installed to the lower extreme of threaded rod, and overcoat sliding connection is on the threaded rod to the overcoat card is on the joint edge, and endotheca sliding connection is on the lifter, and the endotheca is installed in the inside of overcoat to the pin passes overcoat, endotheca and lifter and fixes it, is equipped with the connecting rod on the threading board, the connecting rod is provided with two, and the symmetry is installed on the threading board respectively, and the bolt passes the threading board and installs on the threaded rod, installs adjusting device on the lifter.

Preferably, the lifting rod is provided with a sealing plate, a receiving plate and a receiving disc, the lifting rod is connected to the sealing plate in a sliding mode, the receiving plate is installed on the receiving disc, the lifting rod penetrates through the sealing plate and the receiving plate and is connected with the sealing plate in a sliding mode, and the sealing plate, the receiving plate and the receiving disc are designed to ensure the overall sealing performance.

In further preferred, be equipped with sealing bolt and card caking on the closing plate, sealing bolt is provided with a plurality ofly, and carries out the symmetry respectively along the axis direction of closing plate and sets up, every all install the card caking on the sealing bolt, the joint of card caking is on accepting the board, and the convenience of connecting has been guaranteed in the design of sealing bolt and card caking.

In further preferred, adjusting device includes valve body, first dog, ejector pin and first retaining ring, and the valve body is installed on accepting the dish, installs first dog on the lifter, and first retaining ring is installed on the valve body to first dog cooperation is connected on first dog, and the pin is installed at first dog lower extreme, and adjusting device's design has guaranteed the continuity of regulation.

Preferably in further, be equipped with second retaining ring, second dog, guide bar and uide bushing on the valve body, second dog cooperation is connected on the second retaining ring on the valve body is installed to the second dog, installs the guide bar on the second dog, installs the uide bushing on the valve body, and guide bar sliding connection is provided with the earial drainage device on the valve body on the uide bushing, and the design of second retaining ring, second dog, guide bar and uide bushing has guaranteed that the fluid can not produce great impact.

In further preferred, the bleeder mechanism includes inlet pipe, discharging pipe, discharge opening and discharge bolt, and inlet pipe and discharging pipe are connected respectively on the valve body to install the discharge opening on the inlet pipe, discharge bolt threaded connection has guaranteed the convenience of maintenance on the discharge opening, the design of bleeder mechanism.

Compared with the prior art, the utility model provides the double-valve-rod angle type manual regulating valve which has the following beneficial effects:

1. when using the earial drainage device, when maintaining, need can only maintain with the fluid discharge in the valve body, at first rotate the bolt of unloading and will lift off from the discharge opening to fluid outflow in the admission pipe, then open the maintenance, guaranteed the convenience of maintenance, promoted the quality of maintenance.

2. When the sealing device is used, the hand wheel is rotated to drive the threaded rod to move up and down, and the lifting rod can be driven to move up and down under the action of the outer sleeve, the inner sleeve and the pin without relative rotation, so that the friction between the lifting rod and the sealing plate is reduced, and the service life of the whole sealing device is prolonged.

3. When using adjusting device, when closing, can carry out holistic sealed under the cooperation of first dog and first retaining ring and the cooperation of second dog and second retaining ring in addition, thereby the second dog can push up on first retaining ring when opening to the biggest and reduced the impact, has reduced the probability of damage.

Drawings

FIG. 1 is a schematic structural view of a dual-stem angle-type manual regulating valve of the present invention;

FIG. 2 is a schematic view of an exploded structure of the sealing device of the present invention;

FIG. 3 is a schematic sectional view of the valve body and the feed pipe according to the present invention.

In the figure: 1. a thread plate; 2. a threaded rod; 3. a hand wheel; 4. clamping and connecting edges; 5. a jacket; 6. an inner sleeve; 7. a pin; 8. a lifting rod; 9. a connecting rod; 10. a sealing plate; 11. a bearing plate; 12. a bearing plate; 13. a seal bolt; 14. blocking; 15. a valve body; 16. a first stopper; 17. a top rod; 18. a first retainer ring; 19. a second retainer ring; 20. a second stopper; 21. a guide bar; 22. a guide sleeve; 23. a feed pipe; 24. a discharge pipe; 25. a discharge opening; 26. and (4) a discharging bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1:

referring to fig. 1-3, the dual-valve-rod angle type manual regulating valve comprises a threaded plate 1, a sealing device and a regulating device are arranged on a cover of the threaded plate 1, the sealing device comprises a threaded rod 2, a hand wheel 3, a clamping edge 4, an outer sleeve 5, an inner sleeve 6, a pin 7 and a lifting rod 8, the threaded rod 2 is in threaded connection with the threaded plate 1, the hand wheel 3 is arranged at the upper end of the threaded rod 2, the clamping edge 4 is arranged at the lower end of the threaded rod 2, the outer sleeve 5 is in sliding connection with the threaded rod 2, the outer sleeve 5 is clamped on the clamping edge 4, the inner sleeve 6 is in sliding connection with the lifting rod 8, the inner sleeve 6 is arranged inside the outer sleeve 5, the pin 7 penetrates through the outer sleeve 5, the inner sleeve 6 and the lifting rod 8 to fix the pin, two connecting rods 9 are arranged on the threaded plate 1, the two connecting rods 9 are symmetrically arranged on the threaded plate 1 respectively, the bolt penetrates through the threaded plate 1 and is arranged on the threaded rod 2, the adjusting device is arranged on the lifting rod 8, a sealing plate 10, a bearing plate 11 and a bearing plate 12 are arranged on the lifting rod 8, the lifting rod 8 is connected on the sealing plate 10 in a sliding manner, the bearing plate 11 is arranged on the bearing plate 12, the lifting rod 8 penetrates through the sealing plate 10 and the bearing plate 11 and is connected with the sealing plate in a sliding manner, a plurality of sealing bolts 13 and clamping blocks 14 are arranged on the sealing plate 10, the sealing bolts 13 are symmetrically arranged along the axial direction of the sealing plate 10 respectively, each sealing bolt 13 is provided with a clamping block 14, the clamping blocks 14 are clamped on the bearing plate 11, the adjusting device comprises a valve body 15, a first stop block 16, an ejector rod 17 and a first check ring 18, the valve body 15 is arranged on the bearing plate 12, the lifting rod 8 is provided with the first stop block 16, the first check ring 18 is arranged on the valve body 15, the first stop block 16 is connected on the first check ring 18 in a matching manner, the stop rod is arranged at the lower end of the first stop block 16, be equipped with second retaining ring 19 on valve body 15, second retaining block 20, guide bar 21 and uide bushing 22, second retaining block 20 cooperation is connected on second retaining ring 19 installation valve body 15, install guide bar 21 on the second retaining block 20, install uide bushing 22 on the valve body 15, guide bar 21 sliding connection is on uide bushing 22, be provided with the earial drainage device on the valve body 15, the earial drainage device includes inlet pipe 23, discharging pipe 24, discharge opening 25 and discharge bolt 26, inlet pipe 23 and discharging pipe 24 are connected respectively on valve body 15, and install discharge opening 25 on inlet pipe 23, discharge bolt 26 threaded connection is on discharge opening 25.

Example 2:

referring to fig. 1-3, on the basis of embodiment 1, firstly, the feeding pipe 23 is installed on the valve body 15, firstly, the feeding pipe 23 is connected to the valve body 15 by a bolt, then the feeding pipe 23 and the discharging pipe 24 are respectively connected to the external device, because the feeding pipe 23 is installed with the discharging opening 25, the discharging bolt 26 is connected to the leakage opening by a thread, when the maintenance discharging is carried out, the discharging bolt 26 is unscrewed to flow out the fluid from the discharging opening 25, thereby completing the discharging process, when the valve body 15 is opened and closed, because the threaded rod 2 is connected with the threaded plate 1 by a thread, when the hand wheel 3 is rotated, the threaded rod 2 can be driven to move up and down, the outer sleeve 5 is clamped on the clamping edge 4, then the inner sleeve 6 and the lifting rod 8 are connected to the outer sleeve 5 by the pin 7, because the outer sleeve 5 is connected with the threaded rod 2 by a rotation, therefore, when the threaded rod 2 moves up and down, the threaded rod cannot drive the lifting rod 8 to rotate, and only drives the lifting rod 8 to move up and down, so that the opening and closing processes of the valve are completed.

Example 3:

referring to fig. 1-3, on the basis of embodiment 2, when the valve body 15 is opened, since the fluid in the feeding pipe 23 has pressure and generates an upward force to push the second stopper 20 to move upward, the first stopper 16 and the second stopper 20 can be moved away from the first retainer ring 18 and the second retainer ring 19, respectively, so as to ensure the opening of the valve, and since the excessive opening causes very severe flushing, when the second stopper 20 moves upward to the first retainer ring 18, a sealing effect can be generated under the pressure of the fluid, so as to ensure that no large impact and corrosion occur inside, thereby completing the entire process.

While 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 variations may be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Double valve rod angle formula manual regulation valve, including thread plate (1), its characterized in that: the sealing device comprises a threaded rod (2), a hand wheel (3), a clamping edge (4), an outer sleeve (5), an inner sleeve (6), a pin (7) and a lifting rod (8), wherein the threaded rod (2) is in threaded connection with the threaded plate (1), the hand wheel (3) is installed at the upper end of the threaded rod (2), the clamping edge (4) is installed at the lower end of the threaded rod (2), the outer sleeve (5) is in sliding connection with the threaded rod (2), the outer sleeve (5) is clamped on the clamping edge (4), the inner sleeve (6) is in sliding connection with the lifting rod (8), the inner sleeve (6) is installed inside the outer sleeve (5), the pin (7) penetrates through the outer sleeve (5), the inner sleeve (6) and the lifting rod (8) to fix the outer sleeve (2), a connecting rod (9) is arranged on the threaded plate (1), and two connecting rods (9) are arranged, and are respectively and symmetrically arranged on the thread plate (1), the bolt passes through the thread plate (1) and is arranged on the threaded rod (2), and the lifting rod (8) is provided with an adjusting device.

2. The dual stem angle manual regulator valve of claim 1, wherein: the lifting rod (8) is provided with a sealing plate (10), a bearing plate (11) and a bearing disc (12), the lifting rod (8) is connected to the sealing plate (10) in a sliding mode, the bearing plate (11) is installed on the bearing disc (12), and the lifting rod (8) penetrates through the sealing plate (10) and the bearing plate (11) and is connected in a sliding mode.

3. The dual stem angle manual regulator valve of claim 2, wherein: be equipped with sealing bolt (13) and card caking (14) on closing plate (10), sealing bolt (13) are provided with a plurality ofly, and carry out the symmetry respectively along the axis direction of closing plate (10) and set up, every all install card caking (14) on sealing bolt (13), card caking (14) joint is on accepting board (11).

4. The dual stem angle manual regulator valve of claim 1, wherein: the adjusting device comprises a valve body (15), a first stop block (16), an ejector rod (17) and a first check ring (18), wherein the valve body (15) is installed on the bearing disc (12), the first stop block (16) is installed on the lifting rod (8), the first check ring (18) is installed on the valve body (15), the first stop block (16) is connected to the first check ring (18) in a matched mode, and the check rod is installed at the lower end of the first stop block (16).

5. The dual stem angle manual regulator valve of claim 4, wherein: be equipped with second retaining ring (19), second dog (20), guide bar (21) and uide bushing (22) on valve body (15), second dog (20) cooperation is connected on second retaining ring (19) installation valve body (15), installs guide bar (21) on second dog (20), installs uide bushing (22) on valve body (15), guide bar (21) sliding connection is on uide bushing (22), be provided with the earial drainage device on valve body (15).

6. The dual stem angle manual regulator valve of claim 5, wherein: the earial drainage device includes inlet pipe (23), discharging pipe (24), discharge opening (25) and bolt of unloading (26), and inlet pipe (23) and discharging pipe (24) are connected respectively on valve body (15) to install discharge opening (25) on inlet pipe (23), bolt of unloading (26) threaded connection is on discharge opening (25).