CN221462977U - Filter type pressure reducing and stabilizing valve with adjusting function - Google Patents

Abstract

The utility model provides a pressure reducing and stabilizing valve with an adjusting filter, which relates to the technical field of pressure reducing valves and comprises a valve body and a gate valve, wherein the valve body is provided with a valve body water inlet pipe and a valve body water outlet pipe, a valve cover is fixedly connected above the valve body, one end of the valve cover is connected with a pressure reducing component, the other end of the valve cover is connected with a detecting component, the pressure reducing component is communicated with the valve body water outlet pipe, the detecting component is communicated with the valve body water inlet pipe, and the gate valve is slidably connected to the valve body water inlet pipe. The utility model has the advantages that the water pressure value of the water outlet pipe of the valve body is set by screwing the adjusting screw of the pressure reducing valve, so that the stability of the water pressure of the water outlet pipe of the valve body can be maintained, and the valve body works within the allowable pressure range; the operation hand wheel is twisted to control the flashboard to move up and down, the indicating needle is driven to slide up and down at the indicating groove, the opening state of the valve plate can be judged through the sliding position of the indicating needle, the flow is convenient to adjust, and when the valve plate is completely closed, the connecting pipe stops supplying water, so that the main valve is convenient to clean and replace.

Description

Filter type pressure reducing and stabilizing valve with adjusting function

Technical Field

The utility model relates to the technical field of pressure reducing valves, in particular to a pressure reducing and stabilizing valve with an adjustable filter.

Background

The pressure reducing valve adopts the opening degree of an opening and closing part in a control valve body to regulate the flow rate of a medium, reduces the pressure of the medium, and simultaneously regulates the opening degree of the opening and closing part by the action of the pressure behind the valve, so that the pressure behind the valve is kept in a certain range, and under the condition that the inlet pressure is continuously changed, the outlet pressure is kept in a set range, so that the subsequent life production appliances are protected, and the valve is generally horizontally installed in a pipeline.

In the prior art, the technical proposal of Chinese patent literature (patent number: CN207848519U, patent name: pilot operated pressure reducing valve) discloses: the valve comprises a valve body, an inner valve cover, an upper valve cover, a push plate, an annular diaphragm, a valve seat, a valve core, a guide sleeve, a spring and a valve rod; the inner valve cover and the upper valve cover are arranged at the upper part of the valve body, a cavity is formed between the inner valve cover and the upper valve cover, the annular diaphragm is connected with the outer edge of the push plate and is clamped between the inner valve cover and the upper valve cover, and the cavity is divided into an upper cavity and a lower cavity; an inlet channel and an outlet channel are formed in the valve body, and a through hole is formed in the inner valve cover and communicated with the lower cavity and the outlet channel; the valve seat is fixedly arranged in the valve body and positioned at a communication port between the inlet channel and the outlet channel, the valve core is arranged in the valve body, and the lower end of the valve core can be in sealing fit with the valve seat; the guide sleeve penetrates through the inner valve cover to be in sliding fit with the inner valve cover, two ends of the guide sleeve respectively prop against the push plate and the valve core, and two ends of the spring respectively prop against the upper valve cover and the push plate and drive the push plate downwards; the valve rod is arranged in the guide sleeve, and two ends of the valve rod are respectively connected with the valve core and the push plate; an external pipeline is connected between the inlet channel and the outlet channel, a needle valve, a three-way valve and a pilot valve are sequentially arranged on the external pipeline, the needle valve is communicated with the inlet channel, the pilot valve is communicated with the outlet channel, the three-way valve is communicated with the upper chamber, and the pilot valve is normally opened and connected with the outlet channel through a pressure taking pipe. "

In the above-mentioned scheme, when the water pressure in the lower cavity of the valve body is larger than the water pressure in the upper cavity of the valve body, the valve seat moves upwards, and the water flows out from the outlet channel, but when the valve body is damaged, the water supply cannot be stopped quickly to take out the valve body for replacement, the water inflow cannot be regulated, and the use is inconvenient.

Disclosure of utility model

The utility model overcomes the defects in the prior art, and provides the pressure reducing and stabilizing valve with the adjusting and filtering function, which can overcome the defects in the prior art in the background art.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

The utility model provides a take and adjust filter formula decompression steady voltage valve, includes valve body and gate valve, the valve body is provided with valve body inlet tube and valve body outlet pipe, valve body top fixedly connected with valve gap, valve gap one end are connected with the relief pressure subassembly, and the valve gap other end is connected with detection component, and the relief pressure subassembly is linked together with the valve body outlet pipe, and detection component is linked together with the valve body inlet tube, gate valve sliding connection is on the valve body inlet tube.

Still further, the gate valve includes the installation lid, and installation lid fixed connection is on the valve body inlet tube, rotates in the middle of the installation lid and is connected with the screw rod, and the screw rod rotates and is connected with the packing box, packing box and installation lid fixed connection, screw rod one end fixedly connected with operation hand wheel, screw rod other end threaded connection have T type nut, and packing box and installation lid set up between operation hand wheel and T type nut, and T type nut is connected with the flashboard cooperation.

Still further, the screw rod still threaded connection has aperture indication swivel nut, and aperture indication swivel nut sets up in the packing box top, and packing box side fixedly connected with aperture indicating disk, aperture indication swivel nut are provided with the pilot pin, and aperture indicating disk is provided with the instruction groove, and pilot pin sliding connection is on the instruction groove.

Still further, the screw rod is provided with a plurality of sealing positions, and the sealing position is provided with O type sealing washer, and O type sealing washer sets up in the stuffing box.

Still further, valve body inlet tube and valve body outlet pipe all are provided with the waterline, are provided with the constant head tank in the valve body inlet tube, flashboard sliding connection is in the constant head tank, and the flashboard is provided with a plurality of strengthening rib.

Still further, the detection component comprises a first elbow, the first elbow is connected with a first conduit and a first ball valve, the first ball valve is connected with a first pressure gauge, the first conduit is connected with a needle valve, the needle valve is communicated with a valve cover, and the first elbow is communicated with a valve body water inlet pipe.

Still further, the relief pressure subassembly includes the relief pressure valve, and relief pressure valve one end is connected with the second pipe, and the relief pressure valve other end is connected with the third pipe, and the second pipe is linked together with the valve gap, and the third pipe is connected with the second elbow, and second elbow one end is linked together with the valve body outlet pipe, and the second elbow other end is connected with the second ball valve, and the second ball valve is connected with the second manometer.

Still further, the valve gap is inside to be provided with first cavity, swing joint has the spring in the first cavity, spring tip swing joint has the diaphragm, is provided with second cavity and third cavity in the valve body, and the second cavity is provided with the valve clack, valve clack one end and diaphragm fixed connection, valve clack other end and sealing ring fixed connection, valve clack edge are provided with the sealing washer, and the third cavity is provided with the filter screen, and sealing ring setting is in the top of filter screen, valve body below fixedly connected with bottom, filter screen fixed connection on the bottom.

Further, an upper stop block is arranged on one side of the second cavity, a lower stop block is arranged on the other side of the second cavity, the third cavity is communicated with the water inlet pipe of the valve body, and the second cavity is communicated with the water outlet pipe of the valve body.

Furthermore, a drain outlet is arranged in the middle of the bottom cover, and a drain plug is arranged at the drain outlet.

Compared with the prior art, the utility model has the beneficial effects that:

The water pressure value of the water outlet pipe of the valve body is set by screwing the adjusting screw of the pressure reducing valve, so that the stability of the water pressure of the water outlet pipe of the valve body can be maintained, and the valve body works within an allowable pressure range; the hand wheel is screwed to control the flashboard to move up and down, the indicating needle is driven to slide up and down at the indicating groove, the opening state of the valve plate can be judged through the sliding position of the indicating needle, the flow is convenient to adjust, when the valve plate is completely closed, the connecting pipe stops supplying water, and the main valve is convenient to clean and replace; the drain outlet is provided with a drain plug, the drain plug is used for sealing the drain outlet, filtered impurities can be discharged by unscrewing the drain plug, the bottom cover is not required to be removed, and the device is convenient and quick.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, in which:

FIG. 1 is a general diagram of a pressure reducing and stabilizing valve with a regulating filter;

FIG. 2 is a cross-sectional view of a gate valve and valve body inlet tube;

FIG. 3 is a schematic view of a gate valve;

FIG. 4 is a schematic view of a screw;

FIG. 5 is a schematic view of a valve body inlet tube;

FIG. 6 is a cross-sectional view of the valve body and valve cover;

FIG. 7 is a schematic view of a valve body and a valve body inlet tube;

Fig. 8 is a schematic view of a valve body and a valve body outlet pipe.

In the figure: 1-valve body, 101-valve body water inlet pipe, 1011-waterline, 1012-positioning groove, 1013-upper baffle, 102-valve body water outlet pipe, 103-second chamber, 1031-lower baffle, 104-third chamber, 2-gate valve, 201-mounting cover, 202-screw, 2021-sealing position, 203-stuffing box, 204-operating hand wheel, 205-T nut, 206-gate plate, 2061-stiffener, 207-opening indicating screw sleeve, 2071-indicating needle, 208-opening indicating disk, 2081-indicating groove, 209-O-type sealing ring, 3-pressure reducing component, 301-pressure reducing valve, 302-second conduit, 303-third conduit, 304-second elbow, 305-second ball valve, 306-second pressure gauge, 4-detecting component, 401-first elbow, 402-first conduit, 403-first ball valve, 404-needle valve, 405-first pressure gauge, 5-valve cover, 501-first chamber, 6-spring, 7-valve, 8-valve clack, 9-sealing, 10-12-pressure gauge, 2-second conduit, 303-third conduit, 304-second elbow, 305-second ball valve, 306-first pressure gauge, 4-valve, sealing ring, 3-pressure valve, 3-valve, sealing ring, 11-12-sealing ring, 13-sealing ring.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

As shown in FIG. 1, the pressure reducing and stabilizing valve with the adjustable filter comprises a valve body 1 and a gate valve 2, wherein the valve body 1 is provided with a valve body water inlet pipe 101 and a valve body water outlet pipe 102, the valve body water inlet pipe 101 and the valve body water outlet pipe 102 are both provided with a water line 1011, the water line 1011 can effectively enhance the tightness after being connected with an external pipe, a valve cover 5 is fixedly connected with the upper part of the valve body 1, one end of the valve cover 5 is connected with a pressure reducing component 3, the other end of the valve cover 5 is connected with a detecting component 4, the pressure reducing component 3 is communicated with the valve body water outlet pipe 102, the detecting component 4 is communicated with the valve body water inlet pipe 101, the gate valve 2 is slidingly connected on the valve body water inlet pipe 101, the water inlet flow of the valve body water inlet pipe 101 is adjusted, and the valve body 1 is conveniently and rapidly cleaned and replaced.

As shown in fig. 2 to 5, the gate valve 2 is sprayed with an epoxy resin layer, which plays a role in rust prevention, the service life of the gate valve 2 is prolonged, the gate valve 2 comprises a mounting cover 201, the mounting cover 201 is fixedly connected to a valve body water inlet pipe 101, a screw 202 is rotationally connected to the middle of the mounting cover 201, the screw 202 is rotationally connected with a stuffing box 203, the stuffing box 203 is fixedly connected with the mounting cover 201, one end of the screw 202 is fixedly connected with an operation hand wheel 204, the other end of the screw 202 is in threaded connection with a T-shaped nut 205, the stuffing box 203 and the mounting cover 201 are arranged between the operation hand wheel 204 and the T-shaped nut 205, the T-shaped nut 205 is connected with a gate plate 206 in a matched manner, the gate plate 206 is slidingly connected in a positioning groove 1012, the gate plate 206 is provided with a plurality of reinforcing ribs 2061, the reinforcing ribs 2061 can strengthen the strength and rigidity of the gate plate 206, and the service life of the gate plate 206 can be effectively prolonged.

T-shaped nut 205 is the joint on flashboard 206, T-shaped groove on flashboard 206 plays the limiting displacement to T-shaped nut 205, drive T-shaped nut 205 when avoiding screw rod 202 to rotate, make T-shaped nut 205 only go on reciprocate, twist and operate hand wheel 204 and make screw rod 202 rotate around self axis, such rotary motion can directly drive outside T-shaped nut 205 and reciprocate, and can drive flashboard 206 and reciprocate when T-shaped nut 205 moves, make flashboard 206 reciprocate in constant head tank 1012, when flashboard 206 does not begin to descend, water supply flow is in the biggest state, when flashboard 206 moves down gradually, water supply flow reduces gradually, when flashboard 206 descends completely, both stop supplying water to valve body 1, conveniently wash the change to valve body 1 again, when flashboard 206 rises, then the effect is opposite.

The screw 202 is provided with three sealing positions 2021, and sealing position 2021 is provided with O type sealing washer 209, and O type sealing washer 209 sets up in the stuffing box 203, and O type sealing washer 209 can effectively avoid gate valve 2 to appear leaking the phenomenon, and frictional resistance is little, is convenient for change.

The screw 202 is further connected with an opening indicating screw sleeve 207 in a threaded mode, the opening indicating screw sleeve 207 is arranged above the stuffing box 203, an opening indicating disc 208 is fixedly connected to the side of the stuffing box 203, the opening indicating screw sleeve 207 is provided with an indicating needle 2071, the opening indicating disc 208 is provided with an indicating groove 2081, the indicating needle 2071 is connected to the indicating groove 2081 in a sliding mode, the indicating needle 2071 is clamped to the indicating groove 2081, the opening indicating screw sleeve 207 cannot rotate, so that the opening indicating screw sleeve 207 can move relatively when the screw 202 rotates, the indicating needle 2071 slides up and down at the position of the indicating groove 2081, the opening state of the valve plate 206 can be judged through the sliding position of the indicating needle 2071, and flow is convenient to adjust.

The detection assembly 4 comprises a first elbow 401, the first elbow 401 is connected with a first conduit 402 and a first ball valve 403, the first ball valve 403 is connected with a first pressure gauge 405, the first conduit 402 is connected with a needle valve 404, the needle valve 404 is communicated with a valve cover 5, the first elbow 401 is communicated with a valve body water inlet pipe 101, the pressure reducing assembly 3 comprises a pressure reducing valve 301, one end of the pressure reducing valve 301 is connected with a second conduit 302, the other end of the pressure reducing valve 301 is connected with a third conduit 303, the second conduit 302 is communicated with the valve cover 5, the third conduit 303 is connected with a second elbow 304, one end of the second elbow 304 is communicated with the valve body water outlet pipe 102, the other end of the second elbow 304 is connected with a second ball valve 305, the second ball valve 305 is connected with a second pressure gauge 306, the water pressure value of the valve body water outlet pipe 102 is set through screwing a regulating screw of the pressure reducing valve 301, the stability of the water pressure of the valve body water outlet pipe 102 can be kept, the valve body 1 can work within an allowable pressure range, and the first pressure gauge 405 and the second pressure gauge 306 can observe the pressure value of the first conduit 402, the second conduit 302 and the third conduit 303.

As shown in fig. 6 to 8, a first cavity 501 is arranged inside a valve cover 5, a spring 6 is movably connected in the first cavity 501, a diaphragm 7 is movably connected at the end part of the spring 6, a second cavity 103 and a third cavity 104 are arranged in a valve body 1, a valve clack 8 is arranged in the second cavity 103, one end of the valve clack 8 is fixedly connected with the diaphragm 7, the other end of the valve clack 8 is fixedly connected with a sealing ring 9, a sealing ring 10 is arranged at the edge of the valve clack 8, a filter screen 11 is arranged in the third cavity 104, the sealing ring 9 is arranged above the filter screen 11, a bottom cover 12 is fixedly connected below the valve body 1, the filter screen 11 is fixedly connected to the bottom cover 12, an upper stop 1013 is arranged at one side of the second cavity 103, a lower stop 1031 is arranged at the other side of the second cavity 103, the third cavity 104 is communicated with a valve body water inlet pipe 101, a drain outlet 102 is arranged in the middle of the bottom cover 12, a drain plug 13 is arranged at the drain plug 13 and is used for sealing the drain plug 13, filtered impurities can be discharged without removing the bottom cover 12, and the drain plug 13 is convenient to unscrew.

When water is supplied, the pressure reducing valve 301, the first ball valve 403 and the second ball valve 305 are in a full-open state, water flows in from the valve body water inlet pipe 101, most of the water flows into the third cavity 104, the small part of the water flows into the first cavity 501 from the first elbow 401 through the first conduit 402 and the needle valve 404, flows into the valve body water outlet pipe 102 from the first cavity 501 through the second conduit 302, the pressure reducing valve 301 and the third conduit 303, and is discharged, at the moment, the water pressure in the first cavity 501 is reduced, the water pressure in the first cavity 501 is lower than the water pressure in the third cavity 104, the valve clack 8 can be moved upwards under the action of the water pressure, the membrane 7 is driven to move upwards while the valve clack 8 is moved upwards, the second cavity 103 is separated from the sealed state, the filtered water flows into the second cavity 103 from above the filter screen 9, and then flows into the valve body water outlet pipe 102 through the second cavity 103, when the internal water pressure of the valve body water outlet pipe 102 is higher than a set value, the pressure reducing valve 301 is started to enable the water flow rate flowing to the third conduit 303 to be smaller, the internal pressure of the first cavity 501 is gradually increased, the valve clack 8 and the diaphragm 7 move downwards under the action of water pressure to enable the water flow rate flowing to the valve body water outlet pipe 102 to be smaller, the pressure of the valve body water outlet pipe 102 is reduced, the set pressure value is restored, when the internal water pressure of the valve body water outlet pipe 102 is lower than the set value, the pressure reducing valve 301 is started to enable the water flow rate flowing to the third conduit 303 to be larger, the internal pressure of the first cavity 501 is gradually decreased, the valve clack 8 and the diaphragm 7 move upwards under the action of water pressure to enable the water flow rate flowing to the valve body water outlet pipe 102 to be larger, and the pressure of the valve body water outlet pipe 102 to be increased, and the set pressure value is restored.

Finally, it should be noted that: although the present utility model has been described in detail with reference to the embodiments, it should be understood that the utility model is not limited to the preferred embodiments, but is capable of modification and equivalents to some of the features described in the foregoing embodiments, but is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. The utility model provides a take and adjust filter formula decompression steady voltage valve, its characterized in that, including valve body (1) and gate valve (2), valve body (1) are provided with valve body inlet tube (101) and valve body outlet pipe (102), valve body (1) top fixedly connected with valve gap (5), valve gap (5) one end is connected with relief pressure subassembly (3), and valve gap (5) other end is connected with detection component (4), and relief pressure subassembly (3) are linked together with valve body outlet pipe (102), and detection component (4) are linked together with valve body inlet tube (101), gate valve (2) sliding connection are on valve body inlet tube (101).

2. The pressure reducing and stabilizing valve with adjusting filter type according to claim 1, wherein the gate valve (2) comprises a mounting cover (201), the mounting cover (201) is fixedly connected to the valve body water inlet pipe (101), a screw (202) is rotationally connected to the middle of the mounting cover (201), a stuffing box (203) is rotationally connected to the screw (202), the stuffing box (203) is fixedly connected to the mounting cover (201), one end of the screw (202) is fixedly connected to an operation hand wheel (204), a T-shaped nut (205) is in threaded connection with the other end of the screw (202), the stuffing box (203) and the mounting cover (201) are arranged between the operation hand wheel (204) and the T-shaped nut (205), and the T-shaped nut (205) is in matched connection with the gate plate (206).

3. The pressure reducing and stabilizing valve with adjusting filter type according to claim 2, wherein the screw (202) is further connected with an opening indicating screw sleeve (207) in a threaded mode, the opening indicating screw sleeve (207) is arranged above the packing box (203), an opening indicating disc (208) is fixedly connected to the side of the packing box (203), the opening indicating screw sleeve (207) is provided with an indicating needle (2071), the opening indicating disc (208) is provided with an indicating groove (2081), and the indicating needle (2071) is connected to the indicating groove (2081) in a sliding mode.

4. A pressure reducing and stabilizing valve with regulating filter according to claim 3, characterized in that the screw (202) is provided with several sealing sites (2021), the sealing sites (2021) are provided with O-rings (209), and the O-rings (209) are arranged in the stuffing box (203).

5. The pressure reducing and stabilizing valve with adjusting and filtering function according to claim 2, wherein the valve body water inlet pipe (101) and the valve body water outlet pipe (102) are both provided with water lines (1011), a positioning groove (1012) is arranged in the valve body water inlet pipe (101), the flashboard (206) is slidably connected in the positioning groove (1012), and the flashboard (206) is provided with a plurality of reinforcing ribs (2061).

6. The pressure reducing and stabilizing valve with adjusting filter type according to claim 1, wherein the detecting component (4) comprises a first elbow (401), the first elbow (401) is connected with a first conduit (402) and a first ball valve (403), the first ball valve (403) is connected with a first pressure gauge (405), the first conduit (402) is connected with a needle valve (404), the needle valve (404) is communicated with a valve cover (5), and the first elbow (401) is communicated with a valve body water inlet pipe (101).

7. The pressure reducing and stabilizing valve with adjusting and filtering function according to claim 1, wherein the pressure reducing assembly (3) comprises a pressure reducing valve (301), one end of the pressure reducing valve (301) is connected with a second conduit (302), the other end of the pressure reducing valve (301) is connected with a third conduit (303), the second conduit (302) is communicated with a valve cover (5), the third conduit (303) is connected with a second elbow (304), one end of the second elbow (304) is communicated with a valve body water outlet pipe (102), the other end of the second elbow (304) is connected with a second ball valve (305), and the second ball valve (305) is connected with a second pressure gauge (306).

8. The pressure reducing and stabilizing valve with adjusting filter type according to claim 1, wherein a first cavity (501) is arranged inside the valve cover (5), a spring (6) is movably connected in the first cavity (501), a diaphragm (7) is movably connected at the end part of the spring (6), a second cavity (103) and a third cavity (104) are arranged in the valve body (1), a valve clack (8) is arranged in the second cavity (103), one end of the valve clack (8) is fixedly connected with the diaphragm (7), the other end of the valve clack (8) is fixedly connected with a sealing ring (9), a sealing ring (10) is arranged at the edge of the valve clack (8), a filter screen (11) is arranged on the third cavity (104), the sealing ring (9) is arranged above the filter screen (11), a bottom cover (12) is fixedly connected below the valve body (1), and the filter screen (11) is fixedly connected on the bottom cover (12).

9. The pressure reducing and stabilizing valve with adjusting and filtering function according to claim 8, wherein one side of the second cavity (103) is provided with an upper stop block (1013), the other side of the second cavity (103) is provided with a lower stop block (1031), the third cavity (104) is communicated with the valve body water inlet pipe (101), and the second cavity (103) is communicated with the valve body water outlet pipe (102).

10. The pressure reducing and stabilizing valve with adjusting and filtering function according to claim 8, wherein a drain outlet is arranged in the middle of the bottom cover (12), and a drain plug (13) is arranged at the drain outlet.