CN216743118U

CN216743118U - Combined type governing valve

Info

Publication number: CN216743118U
Application number: CN202121205413.5U
Authority: CN
Inventors: 曾恒; 张昌挺; 张强强; 张晓军; 陈文君
Original assignee: ZHEJIANG DECA CONTROL VALVE METER CO Ltd
Current assignee: ZHEJIANG DECA CONTROL VALVE METER CO Ltd
Priority date: 2021-06-01
Filing date: 2021-06-01
Publication date: 2022-06-14
Anticipated expiration: 2031-06-01

Abstract

The utility model discloses a composite regulating valve which comprises a valve body, wherein a water inlet pipe is fixedly arranged on one side of the valve body, a water outlet pipe is fixedly arranged on one side of the valve body, which is far away from the water inlet pipe, flange plates are fixedly arranged on the ends, far away from the valve body, of the water inlet pipe and the water outlet pipe, the upper end of the valve body is fixedly connected with a valve cover through a first bolt, the upper end of the valve cover is fixedly connected with a gland through a second bolt, a cavity is arranged in the valve body, a valve seat is fixedly arranged at the lower end of the cavity, an adjusting cage cover is fixedly arranged at the upper end of the valve seat, and a supporting cylinder is fixedly arranged on the outer side of the adjusting cage cover. According to the utility model, the adjusting cage cover and the valve cage are arranged, so that direct washing of water flow to the valve core is avoided, the service life of the valve core is prolonged, the flow velocity of water is weakened by arranging the through holes in the adjusting cage cover and the valve seat, so that the vibration and noise of the adjusting valve are weakened, and impurities are prevented from entering the adjusting valve by arranging the filter screen in the water inlet pipe.

Description

Combined type governing valve

Technical Field

The utility model relates to the technical field of regulating valves, in particular to a combined regulating valve.

Background

A regulating valve, also known as a control valve, in the field of industrial automation process control, a final control element for changing process parameters such as medium flow, pressure, temperature, liquid level and the like by receiving a control signal output by a regulating control unit and by means of power operation generally comprises an actuating mechanism and a valve.

Present governing valve in the use, rivers can directly erode the surface of case, and long this is past, shortens the life of case very easily, influences the leakproofness of case to rivers are too fast in the governing valve, produce vibrations and noise easily, and present governing valve only has single regulatory function, can not filter impurity.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a composite regulating valve.

In order to achieve the purpose, the utility model adopts the following technical scheme: a composite regulating valve comprises a valve body, wherein a water inlet pipe is fixedly arranged on one side of the valve body, a water outlet pipe is fixedly arranged on one side of the valve body far away from the water inlet pipe, a flange plate is fixedly arranged at one end of each of the water inlet pipe and the water outlet pipe far away from the valve body, a valve cover is fixedly connected to the upper end of the valve body through a first bolt, a gland is fixedly connected to the upper end of the valve cover through a second bolt, a cavity is arranged in the valve body, a valve seat is fixedly arranged at the lower end of the cavity, an adjusting cage is fixedly arranged at the upper end of the valve seat, a supporting cylinder is fixedly arranged on the outer side of the adjusting cage, a valve core is slidably arranged on the inner side wall of the adjusting cage, a valve rod is fixedly arranged in the middle of the upper end of the valve core, two positioning blocks are arranged at the position of the water inlet pipe close to the valve body, a filtering net rack is arranged at the position of the water inlet pipe close to the positioning blocks, the utility model discloses a filter screen, including filter screen frame, locating piece, spring one end, fixture block, the equal fixedly connected with steel wire in one end that the fixture block is connected with the spring, two, the fixture block is kept away from to the filter screen frame middle part is provided with the filter screen, the filter screen frame is kept away from locating piece one side and is provided with the pull ring, the inside spring, two that all is provided with in both ends about the filter screen frame the equal fixedly connected with fixture block in spring one end, two the fixture block is kept away from to the steel wire one end all with pull ring fixed connection, the inlet tube inner wall is close to fixture block department and is provided with the recess.

As a further description of the above technical solution:

and a plurality of mounting holes are formed in the two flange plates.

As a further description of the above technical solution:

the valve cover is characterized in that a packing pad is arranged inside the upper end of the valve cover and is made of polytetrafluoroethylene.

As a further description of the above technical solution:

the lower end of the valve seat is provided with a plurality of through holes.

As a further description of the above technical solution:

and a sealing gasket is arranged on the outer side wall of the upper end of the valve seat.

As a further description of the above technical solution:

adjust cage lower extreme lateral wall and be provided with a plurality of regulation holes, the aperture of regulation hole reduces gradually from top to bottom.

As a further description of the above technical solution:

and the upper end and the lower end of the valve cage are provided with first sealing rings.

As a further description of the above technical solution:

and the upper end and the lower end of the outer side wall of the valve core are both provided with second sealing rings.

The utility model has the following beneficial effects:

1. according to the combined type regulating valve provided by the utility model, the regulating cage cover and the valve cage are arranged on the outer side of the valve core, so that the direct washing of water flow to the valve core is avoided, and the service life of the valve core is prolonged.

2. According to the composite regulating valve provided by the utility model, the regulating cage and the valve seat are arranged, and the through holes are formed in the regulating cage and the valve seat, so that the flow velocity of water flow in the regulating valve is effectively reduced, and vibration and noise generated by overhigh flow velocity of water are reduced.

3. According to the composite regulating valve provided by the utility model, the filter screen is arranged on the water inlet pipe, so that impurities are prevented from entering the regulating valve, and the filter screen is convenient to disassemble and clean.

Drawings

FIG. 1 is a front view of a composite regulator valve according to the present invention;

FIG. 2 is a cross-sectional front view of a composite regulator valve according to the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is a cross-sectional front view of a valve seat of a compound regulator valve in accordance with the present invention;

FIG. 5 is a cross-sectional front view of a regulator valve cage of the composite regulator valve of the present invention;

fig. 6 is an enlarged view at B in fig. 2.

Illustration of the drawings:

1. a valve body; 2. a water inlet pipe; 3. a water outlet pipe; 4. a flange plate; 5. mounting holes; 6. a first bolt; 7. a valve cover; 8. a filler pad; 9. a second bolt; 10. a gland; 11. a cavity; 12. a valve seat; 13. a through hole; 14. a gasket; 15. adjusting the cage; 16. an adjustment hole; 17. a support cylinder; 18. a cage; 19. a first seal ring; 20. a valve core; 21. a second seal ring; 22. a valve stem; 23. positioning blocks; 24. a filter screen frame; 25. a filter screen; 26. a pull ring; 27. a spring; 28. a clamping block; 29. a steel wire; 30. and (4) a groove.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-6, one embodiment of the present invention is provided: a combined type regulating valve comprises a valve body 1, wherein a water inlet pipe 2 is fixedly arranged on one side of the valve body 1, a water outlet pipe 3 is fixedly arranged on one side of the valve body 1 far away from the water inlet pipe 2, water flows into the valve body 1 through the water inlet pipe 2 and then flows out through the water outlet pipe 3, a flange plate 4 is fixedly arranged on one end of each of the water inlet pipe 2 and the water outlet pipe 3 far away from the valve body 1, a valve cover 7 is fixedly connected to the upper end of the valve body 1 through a first bolt 6, a gland 10 is fixedly connected to the upper end of the valve cover 7 through a second bolt 9, a cavity 11 is arranged inside the valve body 1, a valve seat 12 is fixedly arranged at the lower end of the cavity 11, an adjusting cage 15 is fixedly arranged at the upper end of the valve seat 12, a supporting cylinder 17 is fixedly arranged outside the adjusting cage 15, a valve cage 18 is fixedly arranged at the upper end of the supporting cylinder 17, adjusting holes 16 of the valve cage 18 and the adjusting cage 15 are not on the same horizontal line, so that the water flow can not directly wash a valve core 20 and the flow rate of the water is reduced, a valve core 20 is slidably arranged on the inner side wall of the adjusting cage 15, a valve rod 22 is fixedly arranged in the middle of the upper end of the valve core 20, the valve rod 22 drives the valve core 20 to move up and down, the water flow is adjusted, two positioning blocks 23 are arranged at the position of the water inlet pipe 2 close to the valve body 1, a filter screen frame 24 is arranged at the position of the water inlet pipe 2 close to the positioning blocks 23, a filter screen 25 is arranged in the middle of the filter screen frame 24 and used for filtering impurities, a pull ring 26 is arranged at one side of the filter screen frame 24 away from the positioning blocks 23, springs 27 are arranged inside the upper end and the lower end of the filter screen frame 24, a clamping block 28 is fixedly connected at one end of the two springs 27, steel wires 29 are fixedly connected at the end of the two clamping blocks 28 connected with the springs 27, one ends of the two steel wires 29 away from the clamping block 28 are fixedly connected with the pull ring 26, the pull ring 26 is pulled to drive the clamping block 28 to retract, the filter screen 25 is convenient to be detached, a groove 30 is arranged at the position of the inner wall of the water inlet pipe 2 close to the clamping block 28, for jamming the filter screen 25.

All be provided with a plurality of mounting holes 5 on two ring flanges 4, valve gap 7 upper end inside is provided with packing pad 8, packing pad 8 is formed by the preparation of polytetrafluoroethylene, prevent that rivers from spilling from valve gap 7, disk seat 12 lower extreme is provided with a plurality of through-holes 13, disk seat 12 upper end lateral wall is provided with sealed pad 14, it is provided with a plurality of regulation holes 16 to adjust cage cover 15 lower extreme lateral wall, the aperture of regulation hole 16 reduces gradually from top to bottom, be convenient for adjust rivers size step by step, both ends all are provided with first sealing washer 19 about the valve cage 18, the upper and lower both ends of 20 lateral walls of case all are provided with second sealing washer 21, the leakproofness has been improved.

The working principle is as follows: when this combined type governing valve uses, place filter screen 25 inside inlet tube 2, block filter screen 25 through fixture block 28, let rivers pass through inlet tube 2 and get into valve body 1 again, impurity entering governing valve has been avoided, rivers pass valve cage 18, wash out the upper end lateral wall of adjusting cage cover 15, avoided rivers to directly wash away to case 20, and the velocity of flow of water has been weakened, the velocity of flow of water is weakened to the through-hole 13 of the regulation hole 16 of rethread adjusting cage cover 15 and disk seat 12, thereby effectively weakened the vibrations and the noise of governing valve, when adjusting rivers, drive valve stem 22, drive case 20 and reciprocate, thereby carry out the shutoff to regulation hole 16 of adjusting cage cover 15, realize the switching of governing valve.

Finally, it should be noted that: 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 utility model.

Claims

1. The utility model provides a combined type governing valve, includes valve body (1), its characterized in that: the water inlet valve is characterized in that a water inlet pipe (2) is fixedly arranged on one side of the valve body (1), a water outlet pipe (3) is fixedly arranged on one side of the valve body (1) far away from the water inlet pipe (2), flange plates (4) are fixedly arranged at the ends of the water inlet pipe (2) and the water outlet pipe (3) far away from the valve body (1), a valve cover (7) is fixedly connected to the upper end of the valve body (1) through a first bolt (6), a gland (10) is fixedly connected to the upper end of the valve cover (7) through a second bolt (9), a cavity (11) is arranged in the valve body (1), a valve seat (12) is fixedly arranged at the lower end of the cavity (11), an adjusting cage cover (15) is fixedly arranged at the upper end of the valve seat (12), a supporting cylinder (17) is fixedly arranged on the outer side of the adjusting cage cover (15), a valve cage (18) is fixedly arranged at the upper end of the supporting cylinder (17), and a valve core (20) is arranged on the inner side wall of the adjusting cage cover (15) in a sliding manner, a valve rod (22) is fixedly arranged in the middle of the upper end of the valve core (20), two positioning blocks (23) are arranged at the position of the water inlet pipe (2) close to the valve body (1), a filter net rack (24) is arranged at the position of the water inlet pipe (2) close to the positioning block (23), a filter screen (25) is arranged in the middle of the filter screen frame (24), a pull ring (26) is arranged on one side of the filter screen frame (24) far away from the positioning block (23), springs (27) are arranged inside the upper end and the lower end of the filter screen frame (24), one ends of the two springs (27) are fixedly connected with clamping blocks (28), one ends of the two clamping blocks (28) connected with the springs (27) are fixedly connected with steel wires (29), one ends of the two steel wires (29) far away from the clamping blocks (28) are fixedly connected with pull rings (26), a groove (30) is formed in the position, close to the clamping block (28), of the inner wall of the water inlet pipe (2).

2. The composite regulator valve of claim 1, wherein: and a plurality of mounting holes (5) are formed in the two flange plates (4).

3. The composite regulator valve of claim 1, wherein: the valve is characterized in that a packing pad (8) is arranged inside the upper end of the valve cover (7), and the packing pad (8) is made of polytetrafluoroethylene.

4. The composite regulator valve of claim 1, wherein: the lower end of the valve seat (12) is provided with a plurality of through holes (13).

5. The composite regulator valve of claim 1, wherein: and a sealing gasket (14) is arranged on the outer side wall of the upper end of the valve seat (12).

6. The composite regulator valve of claim 1, wherein: adjust cage (15) lower extreme lateral wall and be provided with a plurality of regulation holes (16), the aperture of regulation hole (16) reduces gradually from top to bottom.

7. The composite regulator valve of claim 1, wherein: and the upper end and the lower end of the valve cage (18) are provided with first sealing rings (19).

8. The composite regulator valve of claim 1, wherein: and the upper end and the lower end of the outer side wall of the valve core (20) are both provided with second sealing rings (21).