CN218971872U - Piston type flow regulating valve - Google Patents

Abstract

The utility model relates to a piston type valve that adjusts current, it includes the valve body, the valve body both ends are equipped with import and export respectively, be equipped with one end open-ended disk seat in the valve body, disk seat and valve body sliding connection, the export of the opening orientation valve body of disk seat, leave the passageway that supplies the fluid to pass through between disk seat and the valve body, disk seat circumference equidistant is equipped with a plurality of water conservancy diversion holes, the conversion chamber has been seted up to the disk seat circumference, disk seat circumference is equipped with the current conversion board, current conversion board and conversion intracavity wall sliding connection, the current conversion board includes a plurality of current conversion piece first and current conversion piece second, current conversion piece first and current conversion piece second equal with the size of water conservancy diversion hole, fixed connection has current conversion piece second between current conversion piece first and the current conversion piece, seted up a plurality of current conversion holes second on the current conversion piece second, the size of current conversion hole first is greater than the size of current conversion hole second. This application has the effect that promotes the effect of the flow size of control rivers.

Description

Piston type flow regulating valve

Technical Field

The application relates to the field of flow regulating valves, in particular to a piston type flow regulating valve.

Background

Currently, in the control of water flow, a piston type flow regulating valve is often applied to regulate the water flow. The opening degree of the valve is controlled by the movement of the valve seat in the flow regulating valve, so that the flow, the pressure and the like are effectively controlled. In the valve seat configuration, the size and type of the diversion holes can also have partial influence on the flow rate and pressure of the water flow.

The related art can refer to Chinese patent publication No. CN216692171U to disclose a piston type flow regulating valve, which comprises a valve body, a valve seat, a valve core and a valve rod, wherein the inner diameter of the middle of the valve body is larger than that of the two ends; the valve seat is of a cylindrical structure and is divided into a guide section and a squirrel cage section along the axis, the end part of the squirrel cage section is coaxially and fixedly arranged with the water outlet end of the valve body, and a screw rod is coaxially and rotatably arranged in the valve seat; the front end of the valve core is of an arc structure, a conical contact sealing surface is arranged between the tail end of the arc structure and the inner wall of the water inlet end of the valve body, the valve core and the guide section are in sealed sliding installation, and a screw nut engaged with a screw is relatively and fixedly arranged in the valve core; a worm and gear speed reducing mechanism is arranged between the valve rod and the screw rod.

Aiming at the related technology, the flow regulating valve controls water flow through the squirrel cage section in the process of controlling the flow of the water flow, and the squirrel cage section has the defect of poor effect of controlling the flow of the water flow because the size of an opening for the water flow to pass through is fixed.

Disclosure of Invention

In order to improve the effect of controlling the flow of water flow, the application provides a piston type flow regulating valve.

The application provides a piston type flow regulating valve, which adopts the following technical scheme:

the utility model provides a piston type valve that adjusts, includes the valve body, is equipped with import and export respectively at the valve body both ends, is equipped with one end open-ended disk seat in the valve body, disk seat and valve body sliding connection, the opening of disk seat is towards the export of valve body, leaves the passageway that supplies the fluid to pass through between disk seat and the valve body, disk seat circumference equidistant is equipped with a plurality of water conservancy diversion holes, the conversion chamber has been seted up to circumference in the disk seat, the disk seat circumference is equipped with the current conversion board, current conversion board and conversion intracavity wall sliding connection, the current conversion board includes a plurality of current conversion piece one and current conversion piece two, the current conversion piece one equals with the size of water conservancy diversion hole, fixed connection has the current conversion piece two between current conversion piece one and the current conversion piece one, a plurality of current conversion holes two have been seted up on the current conversion piece one, the size of current conversion hole one is greater than the size of current conversion hole two.

By adopting the technical scheme, when controlling the water flow, the water flow is controlled in the channel at the inlet by blocking the outlet of the valve body at the end part of the valve seat opening in the initial state. When controlling the flow of water, an operator controls the valve seat to slide in the valve body until the end of the valve seat opening is far away from the outlet, so that the water in the channel flows out through the diversion hole. According to the requirements of different water flow rates and pressures, an operator controls the converter plate sliding on the inner wall of the conversion cavity to rotate, and when the water flow rate is larger, the operator turns to the converter plate with the converter hole I to be positioned at the guide hole; for smaller water flow, the converter plate with the second converter hole is positioned at the position of the second converter hole. Thereby improving the effect of controlling the flow rate of the water flow.

Optionally, the disk seat surface circumference is equipped with sealing washer one, when disk seat one end is located valve body exit, sealing washer one with the inner wall butt of valve body.

By adopting the technical scheme, the valve body outlet is blocked by the valve seat abutting against the inner wall of the valve body in the initial state of blocking water flow. The sealing ring I is abutted with the valve seat, so that the tightness between the water passage inside the valve body and the outlet is further improved.

Optionally, the connector has been seted up to the disk seat surface, the connector is linked together with the conversion chamber, the current conversion board still includes the toothed plate, toothed plate sets up along disk seat circumference, toothed plate includes a plurality of tooth mouths, a plurality of tooth mouths set up along disk seat circumference, toothed plate is located conversion chamber and connector and is linked together the department.

Through adopting above-mentioned technical scheme, at the in-process of rotating the converter board, operating personnel rotates the tooth mouth through connector department for take the pinion rack to drive converter plate one and converter plate two and rotate, thereby realize converter plate one and converter plate two and butt water conservancy diversion hole in turn makes rivers pass through, simple convenient.

Optionally, a driving wheel is fixed on the inner wall of the valve body, and the driving wheel is meshed with the tooth opening.

Through adopting above-mentioned technical scheme, at the in-process of rotating the converting plate, operating personnel control drive wheel rotates and drives the tooth mouth motion that meshes with the drive wheel, and then realizes driving the rotation of taking the pinion rack, and is simple convenient.

Optionally, a bevel gear meshed with the driving wheel is fixed on the inner wall of the valve body, the bevel gear is perpendicular to the driving wheel, a motor is fixed on the outer wall of the valve body, and the output end of the motor is fixedly connected with the axis of the bevel gear.

Through adopting above-mentioned technical scheme, in the in-process of rotating the converting plate, operating personnel control the motor start for the motor operation bevel gear drives the drive wheel and rotates, and then realizes the rotation of the toothed plate with the drive wheel engaged with, has saved the manpower.

Optionally, the valve body inner wall is fixed with one end open-ended water proof cover, water proof cover and disk seat surface sliding connection, water proof cover covers in connector department, drive wheel and bevel gear.

Through adopting above-mentioned technical scheme, cover outside drive wheel and bevel gear and connector department through the water proof cover to with toothed plate, drive wheel and bevel gear and water, reduce toothed plate, drive wheel and bevel gear and receive the erosion of rivers, promoted toothed plate, drive wheel and bevel gear's life.

Optionally, the end that separates the water cover and the disk seat butt is equipped with the sealing washer two, sealing washer two links to each other with the water cover is fixed.

Through adopting above-mentioned technical scheme, in the protection process of water proof cover to toothed plate, drive wheel and bevel gear, carry out further sealedly through sealing washer two to the junction of water proof cover and disk seat surface, and then improved the water proof protection of water proof cover to toothed plate, drive wheel and bevel gear.

Optionally, the end of the outer surface of the valve body is provided with a plurality of hanging rings, and the hanging rings are respectively close to the outlet and the inlet of the valve body.

Through adopting above-mentioned technical scheme, when the assembly flow regulating valve, operating personnel can lift the flow regulating valve through rings and remove to labour saving and time saving more.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the first sealing ring, the flow regulating valve promotes the connection tightness of the valve seat and the inner wall of the valve body and the blocking effect on the water flow in the process of controlling the water flow and blocking the water flow by the valve seat abutting against the outlet end of the valve body;

2. through the arrangement of the water-proof cover, the toothed plate, the driving wheel and the bevel gear can be separated from water, so that the water erosion condition is reduced, and the service life is prolonged;

3. through the setting of rings for the flow regulating valve can be hung when loading and unloading and remove, thereby it is more convenient.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a piston type flow regulating valve.

Fig. 2 is a schematic view of the structure of the water shield and the drive wheel.

Fig. 3 is a schematic structural view of a converter plate.

Reference numerals illustrate: 1. a valve body; 11. a valve seat; 111. a deflector aperture; 112. a switching chamber; 113. a first sealing ring; 114. a connection port; 12. a driving wheel; 13. a hanging ring; 2. a converter plate; 21. a converter plate I; 211. a first flow exchanging hole; 22. a converter plate II; 221. a second flow exchanging hole; 23. a toothed plate; 231. tooth openings; 3. bevel gears; 31. a motor; 32. a water-blocking cover; 321. and a second sealing ring.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses a piston type flow regulating valve.

Referring to fig. 1 and 2, a piston type flow regulating valve comprises a valve body 1, wherein an inlet and an outlet are respectively arranged at two ends of the valve body 1, a valve seat 11 with one end open is arranged in the valve body 1, the valve seat 11 is in sliding connection with the valve body 1, the opening of the valve seat 11 faces to the outlet of the valve body 1, a channel for fluid to pass through is reserved between the valve seat 11 and the valve body 1, and a plurality of diversion holes 111 are formed in the circumferential direction of the valve seat 11 at equal intervals. The valve body 1 is used as a main body of the flow regulating valve, an inlet is used for entering water flow, and an outlet is used for surging water flow. The valve seat 11 is used to control the water flow flush. In the initial state, water flow enters from the inlet of the flow regulating valve and waits in the channel between the valve seat 11 and the valve body 1; when controlling the water flow, the valve seat 11 is driven by the crankshaft to slide towards the inlet in the valve body 1, and the diversion hole 111 is used for discharging the water flow. Realizing the control of the water flow.

Referring to fig. 1, a plurality of hanging rings 13 are arranged at the end part of the outer surface of the valve body 1, and the hanging rings 13 are respectively close to the outlet and the inlet of the valve body 1. The lifting ring 13 is used for an operator to lift the whole flow regulating valve by using a mechanical lifting appliance so as to load and unload the flow regulating valve.

Referring to fig. 2 and 3, a conversion cavity 112 is circumferentially formed in the valve seat 11, a converter plate 2 is circumferentially arranged in the valve seat 11, the converter plate 2 is slidably connected with the inner wall of the conversion cavity 112, the converter plate 2 comprises a plurality of first converter plates 21 and second converter plates 22, the first converter plates 21 and the second converter plates 22 are equal to the flow guide holes 111 in size, second converter plates 22 are fixedly connected between the first converter plates 21 and the first converter plates 21, first converter plates 21 are provided with first converter holes 211, second converter plates 22 are provided with a plurality of second converter holes 221, and the first converter holes 211 are larger than the second converter holes 221 in size. The first converter plate 21 and the second converter plate 22 are overlapped, so that in the process of controlling water flow to pass through the outlet, the first converter plate 211 is larger than the second converter plate 221, and when the first converter plate 21 is positioned at the guide hole 111, the flow of water passing through the larger flow can be controlled; when the second converter plate 22 is positioned at the diversion hole 111, the flow rate of water can be smaller. Thereby improving the effect of controlling different water flow rates.

Referring to fig. 2, a first sealing ring 113 is circumferentially arranged on the outer surface of the valve seat 11, and when one end of the valve seat 11 is located at the outlet of the valve body 1, the first sealing ring 113 abuts against the inner wall of the valve body 1. The sealing ring is extruded to strengthen the connection between the valve seat 11 and the inner wall of the valve body 1, so that the tightness of the outlet end of the valve body 1 is improved, and the risk of water flow leakage caused by uncontrolled water flow is reduced.

Referring to fig. 2 and 3, the outer surface of the valve seat 11 is provided with a connection port 114, the connection port 114 is communicated with the conversion cavity 112, the converter plate 2 further comprises a toothed plate 23, the toothed plate 23 is arranged along the circumferential direction of the valve seat 11, the toothed plate 23 comprises a plurality of toothed ports 231, the plurality of toothed ports 231 are arranged along the circumferential direction of the valve seat 11, and the toothed plate 23 is positioned in the communication position of the conversion cavity 112 and the connection port 114. The connection port 114 is used for communicating with the converter plate 2 in the conversion cavity 112 from the outside, and the toothed plate 23 facilitates the external control. The tooth openings 231 are convenient to be controlled to move by the rotating gears so as to drive the whole converter plate 2 to rotate.

Referring to fig. 2 and 3, a driving wheel 12 is fixed to the inner wall of the valve body 1, the driving wheel 12 is engaged with the tooth opening 231, a bevel gear 3 engaged with the driving wheel 12 is fixed to the inner wall of the valve body 1, and the bevel gear 3 is perpendicular to the driving wheel 12. The outer wall of the valve body 1 is fixed with a motor 31, and the output end of the motor 31 is fixedly connected with the axis of the bevel gear 3. The motor 31 provides power for the rotation of the bevel gear 3, and the motor 31 provided outside the valve body 1 is also convenient for manual manipulation. The bevel gear 3 rotates to drive the driving wheel 12 to rotate, so that the toothed plate 23 meshed with the driving wheel 12 moves, and further, the switching of the first converter plate 21 and the second converter plate 22 at the diversion hole 111 is realized. In the process that the tooth opening 231 is meshed with the driving wheel 12 and the driving wheel 12 is meshed with the bevel gear 3, an operator can control the converter plate 2 to rotate in the conversion cavity 112 by operating the motor 31 to start, and the converter plate is simple and convenient.

Referring to fig. 2, a water blocking cover 32 with one end opened is fixed on the inner wall of the valve body 1, the water blocking cover 32 is slidably connected with the outer surface of the valve seat 11, and the water blocking cover 32 covers the connection port 114, the driving wheel 12 and the bevel gear 3. The water-proof cover 32 separates the toothed plate 23, the driving wheel 12 and the bevel gear 3 from the channel, so that the erosion of water flow to the toothed plate 23, the driving wheel 12 and the bevel gear 3 is avoided, and the service lives of the toothed plate 23, the driving wheel 12 and the bevel gear 3 are prolonged.

Referring to fig. 2, a second seal ring 321 is provided at an end of the waterproof cover 32 abutting against the valve seat 11, and the second seal ring 321 is fixedly connected to the waterproof cover 32. The second sealing ring 321 is pressed against the outer surface of the valve seat 11, so that the connection between the water-proof cover 32 and the valve seat 11 is tighter, and the gap between the water-proof cover 32 and the valve seat 11 is reduced, thereby improving the tightness of the inner wall of the water-proof cover 32.

The implementation principle of the piston type flow regulating valve in the embodiment of the application is as follows: before controlling the flow rate of the water flow, an operator operates the mechanical sling to assemble the piston type flow regulating valve in an initial state that the valve seat 11 and the first sealing ring 113 block the outlet from the two hanging rings 13 to the water pipe, so that the inlet and the outlet of the valve body 1 correspond to the outlet and the inlet of the water pipe. When water flow is temporarily reserved in the channel from the water pipe, aiming at the output of larger water flow, an operator starts the motor 31, so that the motor 31 operates to drive the bevel gear 3 to rotate, thereby driving the driving wheel 12 to rotate, further enabling the tooth opening 231 of the toothed plate 23 meshed with the driving wheel 12 to move, and finally enabling the first commutation hole 211 of the toothed plate 23 rotating to the first commutation plate 21 to be opposite to the diversion hole 111. Then, a driving machine outside the valve body 1 is started to operate to rotate the connecting rod to drive the crank shaft to rotate, so that the valve seat 11 slides to the inlet of the valve body 1 through the sliding rail under the drive of the driving rod until water flow is discharged into the water pipe from the first water exchanging hole 211. For the output of smaller water flow, an operator starts the motor 31, so that the motor 31 operates to drive the bevel gear 3 to rotate, thereby enabling the driving wheel 12 to rotate, further enabling the tooth opening 231 of the toothed plate 23 meshed with the driving wheel 12 to move, finally enabling the second flow exchanging hole 221 of the toothed plate 23 to rotate to the second flow exchanging plate 22 to be opposite to the flow guiding hole 111, and then controlling the valve seat 11 to move to drain water from the second smaller flow exchanging hole 221. In the process of retaining water flow in the channel, the waterproof cover protects the inner parts of the valve body 1.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. The utility model provides a piston type flow regulating valve, includes valve body (1), and valve body (1) both ends are equipped with import and export respectively, are equipped with one end open-ended disk seat (11) in valve body (1), disk seat (11) and valve body (1) sliding connection, the export of the opening orientation valve body (1) of disk seat (11), leave the passageway that supplies the fluid to pass through between disk seat (11) and valve body (1), its characterized in that: the valve seat (11) is circumferentially provided with a plurality of guide holes (111) at equal intervals, the valve seat (11) is internally provided with a conversion cavity (112) circumferentially, the valve seat (11) is internally provided with a converter plate (2) circumferentially, the converter plate (2) is slidably connected with the inner wall of the conversion cavity (112), the converter plate (2) comprises a plurality of first converter plates (21) and second converter plates (22), the size of the first converter plate (21) is equal to that of the second converter plate (22) and that of the flow guide hole (111), the second converter plate (22) is fixedly connected between the first converter plate (21) and the first converter plate (21), the first converter plate (21) is provided with the first converter hole (211), the second converter plate (22) is provided with a plurality of second converter holes (221), and the first converter hole (211) is larger than the second converter hole (221).

2. A piston type flow regulating valve as defined in claim 1, wherein: and a first sealing ring (113) is circumferentially arranged on the outer surface of the valve seat (11), and when one end of the valve seat (11) is positioned at the outlet of the valve body (1), the first sealing ring (113) is abutted against the inner wall of the valve body (1).

3. A piston type flow regulating valve as defined in claim 1, wherein: the connecting port (114) has been seted up to disk seat (11) surface, connector (114) are linked together with conversion chamber (112), conversion board (2) still include toothed plate (23), toothed plate (23) are along disk seat (11) circumference setting, toothed plate (23) include a plurality of tooth mouth (231), a plurality of tooth mouth (231) are along disk seat (11) circumference setting, toothed plate (23) are located conversion chamber (112) and connector (114) are linked together.

4. A piston type flow regulating valve as defined in claim 3, wherein: a driving wheel (12) is fixed on the inner wall of the valve body (1), and the driving wheel (12) is meshed with the tooth opening (231).

5. A piston type flow regulating valve as defined in claim 4, wherein: the automatic valve is characterized in that a bevel gear (3) meshed with the driving wheel (12) is fixed on the inner wall of the valve body (1), the bevel gear (3) is perpendicular to the driving wheel (12), a motor (31) is fixed on the outer wall of the valve body (1), and the output end of the motor (31) is fixedly connected with the axis of the bevel gear (3).

6. A piston type flow regulating valve as defined in claim 5, wherein: the inner wall of the valve body (1) is fixed with a water-proof cover (32) with one end open, the water-proof cover (32) is in sliding connection with the outer surface of the valve seat (11), and the water-proof cover (32) covers the connecting port (114), the driving wheel (12) and the bevel gear (3).

7. A piston type flow regulating valve as defined in claim 6, wherein: the end part of the water-proof cover (32) abutted against the valve seat (11) is provided with a second sealing ring (321), and the second sealing ring (321) is fixedly connected with the water-proof cover (32).

8. A piston type flow regulating valve as defined in claim 1, wherein: the end part of the outer surface of the valve body (1) is provided with a plurality of hanging rings (13), and the hanging rings (13) are respectively close to the outlet and the inlet of the valve body (1).

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