CN211082891U

CN211082891U - Electric regulating valve

Info

Publication number: CN211082891U
Application number: CN201922104433.2U
Authority: CN
Inventors: 纪献伟; 于广仁
Original assignee: Tianjin Huirenyuan Environmental Protection Technology Co ltd
Current assignee: Tianjin Huirenyuan Environmental Protection Technology Co ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-07-24
Anticipated expiration: 2029-11-29

Abstract

The utility model relates to an electrical control valve, which comprises a valve body, be equipped with the water conservancy diversion hole that makes water inlet valve pocket and water outlet valve pocket intercommunication in the valve body, the top of valve body is fixed with first valve gap, it has the valve rod to run through in the first valve gap, the one end of valve rod extends to the top of valve body and connects the rotation driving subassembly, the other end of valve rod extends to in the valve body and the screw thread has cup jointed the valve sleeve seat, the bottom of valve sleeve seat can be dismantled and be fixed with the case. The utility model discloses an install the case in the below of water conservancy diversion hole to make the rotatory in-process of valve rod can make the valve sleeve seat drive case downstream, when making the water conservancy diversion hole open, also can make the case remove the valve body from the valve core exit position, directly change the case, when changing the case, only need open the second valve bonnet that the case exported, the mode of opening is simple, makes things convenient for the change alone of case, need not to dismantle the valve body is whole, and the mode of change is simple swift.

Description

Electric regulating valve

Technical Field

The utility model relates to the technical field of valves, concretely relates to electric control valve.

Background

Electric control valves are important execution unit instruments in industrial automation process control. With the increasing automation degree in the industrial field, the method is being used in various industrial production fields more and more. Compared with the traditional pneumatic regulating valve, the electric regulating valve with the novel structure has the obvious advantages of energy conservation (electric energy is consumed only when the electric regulating valve works), environmental protection (no carbon emission), and quick and convenient installation (no complex pneumatic pipeline and air pump work station are needed).

However, the existing electric regulating valve has the following defects:

1. after long-time use, the valve core is damaged due to abrasion, water leakage is caused, the valve core needs to be replaced, when the valve core is replaced, the valve cover and the driving element on the valve body need to be detached, the valve core can be replaced, and the operation of replacing the valve core is complex and inconvenient;

2. after the driving element is damaged, the driving element needs to be maintained and replaced, so that the valve body cannot work normally, and the use is influenced;

3. when the valve body is installed on a pipeline, due to the fact that machining errors cause the positions of the installation holes in the water inlet and the water outlet of the valve body to be different, after one end of the valve body is fixedly installed on the pipeline, the installation holes in the other end of the valve body cannot completely correspond to the installation holes in the pipeline, and installation cannot be achieved.

SUMMERY OF THE UTILITY MODEL

For solving the problem that prior art exists, the utility model provides an electric control valve.

In order to achieve the above object, the utility model adopts the following technical scheme:

an electric regulating valve comprises a valve body, wherein a flow guide hole which enables a water inlet valve cavity and a water outlet valve cavity to be communicated is arranged in the valve body, a first valve cover is fixed at the top of the valve body, a valve rod penetrates through the first valve cover, one end of the valve rod extends to the upper part of the valve body and is connected with a rotary driving assembly, the other end of the valve rod extends into the valve body and is sleeved with a valve sleeve seat in a threaded manner, a valve core is detachably fixed at the bottom end of the valve sleeve seat, the valve core is positioned below the flow guide hole, sliding grooves are respectively arranged on two side walls of the valve sleeve seat, a limiting block matched with the sliding grooves is fixed on the side wall, close to the flow guide hole, in the valve body, one end of the limiting block is inserted into the sliding grooves, a chuck is fixed at the top of the valve sleeve seat and is clamped on the limiting block to limit the displacement of the valve sleeve seat, and a, and a second valve cover is arranged at the outlet of the valve core.

Preferably, a support frame is fixed on the top of the first valve cover, and the rotary driving assembly is mounted on the support frame.

In any of the above aspects, preferably, the rotary drive assembly comprises a motor, the motor is mounted on the support frame, and the motor is connected with the valve rod to drive the valve rod to rotate.

In any of the above schemes, preferably, an anti-rotation component is arranged on the valve rod outside the valve body to limit the rotation of the valve rod.

It is preferred in any of the above-mentioned schemes, prevent changeing the subassembly and include from last to preventing the carousel and preventing the carousel down on overlapping in proper order on the valve rod down, prevent carousel and valve rod fixed connection down, on prevent the carousel and prevent down being provided with the spacing tooth that a plurality of annular array distribute on changeing the relative lateral wall of dish respectively, on prevent the carousel and prevent down changeing the dish and pass through spacing tooth joint, on prevent changeing the dish and install on the support frame and relative support frame can reciprocate.

In any of the above schemes, preferably, the two ends of the top of the upper anti-rotation disc are respectively fixed with a screw, one end of the screw penetrates through the support frame and extends to the upper side, the screw above the support frame is connected with a nut in a threaded manner, a spring is sleeved on the screw between the support frame and the upper anti-rotation disc, and the spring is in a compression state.

In any of the above schemes, preferably, the diameter of the chuck is larger than the distance between the limiting blocks on the two side walls of the valve body, so that the chuck can be clamped between the limiting blocks.

In any of the above schemes, preferably, the end portions of the water inlet valve cavity and the water outlet valve cavity are externally connected with first flanges, the outer walls of the water inlet valve cavity and the water outlet valve cavity are sleeved with second flanges, the second flanges can rotate and move relative to the valve body, and the second flanges are provided with a plurality of mounting holes connected with pipelines.

In any of the above schemes, preferably, an annular groove is formed in the side wall of the first flange plate, which is far away from the valve body, and used for placing a sealing gasket.

In any of the above schemes, preferably, the bottom of the valve sleeve seat is provided with a first threaded blind hole, the first threaded blind hole is connected with a bolt through an internal thread, and the valve core is sleeved on the bolt to be detachably and fixedly connected with the valve sleeve seat.

Compared with the prior art, the utility model provides a pair of electrical control valve has following beneficial effect:

1. the valve core is arranged below the flow guide hole, the valve sleeve seat can drive the valve core to move downwards in the rotating process of the valve rod, the valve core can move out of the valve body from the outlet of the valve core while the flow guide hole is opened, and the valve core is directly replaced;

2. through the arrangement of the anti-rotation assembly, the valve rod can still be fixed by clamping the upper anti-rotation disc and the lower anti-rotation disc under the condition of motor disassembly and maintenance, so that the position of the valve core is not changed, and the electric regulating valve can normally work under the condition of motor maintenance without influencing use;

3. the second flange plate can rotate and move relative to the valve body, and when the second flange plate is installed on a pipeline, the second flange plate enables the installation hole in the second flange plate to correspond to the installation hole in the pipeline through rotation, so that normal installation of the valve body is guaranteed.

Drawings

Fig. 1 is a schematic overall structural diagram of a preferred embodiment of an electric control valve provided in the present invention;

FIG. 2 is a bottom view of the upper anti-rotation disk of the embodiment of FIG. 1;

fig. 3 is a top view of the lower anti-rotation disk in the embodiment shown in fig. 1.

The figures are labeled as follows: 1. a valve body; 2. a valve core; 3. a bolt; 4. a spool outlet; 5. a second flange plate; 6. a first flange plate; 7. a valve housing seat; 8. a limiting block; 9. a first valve cover; 10. a chuck; 11. a valve stem; 12. a lower defense rotary table; 13. an upper defense rotary disc; 14. a support frame; 15. a spring; 16. a screw; 17. limiting teeth; 18. a second valve cover; 19. an electric motor.

Detailed Description

In order to further understand the inventive content of the present invention, the present invention will be explained in detail with reference to the specific embodiments.

As shown in fig. 1-3, an embodiment of an electrical control valve according to the present invention includes a valve body 1, a flow guide hole for communicating a water inlet valve cavity and a water outlet valve cavity is provided in the valve body 1, one end of the valve body 1 is the water inlet valve cavity, water is fed into the valve body 1, the other end of the valve body 1 is the water outlet valve cavity, water is discharged from the valve body 1, a first valve cover 9 is fixed on the top of the valve body 1, a valve rod 11 penetrates through the first valve cover 9, a sealing ring is provided between the valve rod 11 and the first valve cover 9, the sealing ring is fixedly connected to the first valve cover 9, so that the first valve cover 9 and the valve rod 11 are kept sealed, the valve rod 11 can rotate relative to the first valve cover 9, one end of the valve rod 11 extends to the upper side of the valve body 1 and is connected to a rotation driving assembly, the other end of the valve rod 11 extends to the valve body 1 and is screwed to, the bottom end of the valve sleeve seat 7 is detachably fixed with a valve core 2, the valve core 2 is located below the flow guide hole, the valve rod 11 drives the valve sleeve seat 7 to move upwards to close the flow guide hole, so that the electric control valve is closed, the two side walls of the valve sleeve seat 7 are respectively provided with a sliding groove, a limiting block 8 matched with the sliding groove is fixed on the side wall, close to the flow guide hole, in the valve body 1, one end of the limiting block 8 is inserted into the sliding groove, the top of the valve sleeve seat 7 is fixed with a chuck 10, the chuck 10 is clamped on the limiting block 8 to limit the displacement of the valve sleeve seat 7, a part, corresponding to the flow guide hole, in the bottom of the valve body 1 extends outwards to form a valve core outlet 4, the valve core outlet 4 is provided with a second valve cover 18, and the valve core 2. Specifically, valve sleeve seat 7 is cylindrical structure, second screw thread blind hole has been seted up at the top of valve sleeve seat 7, set up the screw thread on the valve rod 11 in the valve body 1, valve rod 11 and second screw thread blind hole threaded connection in the valve body 1, through the rotation of valve rod 11, under stopper 8's limiting displacement, make valve sleeve seat 7 can only make up-and-down linear motion, realize that case 2 is to opening and closing of water conservancy diversion hole.

Wherein, the valve rod 11 rotation is driven to the rotary driving subassembly to realize reciprocating of case 2, thereby realize opening and closing to the water conservancy diversion hole, realize opening and closing of electrical control valve, the case export can make case 2 stretch out to the outside in following valve body 1, need not to dismantle 1 whole of valve body, makes things convenient for the change alone of case 2, and the change mode is simple swift, between first valve gap and the valve body, all install sealed pad between second valve gap and the case export and be used for sealing.

A support frame 14 is fixed on the top of the first valve cover 9, and the rotary driving component is installed on the support frame 14.

The rotary driving assembly comprises a motor 19, the motor 19 is installed on the support frame 14, and the motor is connected with the valve rod 11 to drive the valve rod to rotate.

And an anti-rotation component is arranged on the valve rod 11 outside the valve body 1 to limit the rotation of the valve rod 11.

Prevent changeing the subassembly and include from last to overlapping in proper order down on valve rod 11 on preventing changeing dish 13 and preventing carousel 12 down, prevent

changeing dish

12 and 11 fixed connection of valve rod down, on prevent changeing dish 13 and prevent being provided with the spacing tooth 17 that a plurality of annular array distribute on the relative lateral wall of carousel 12 respectively down, on prevent changeing dish 13 and prevent carousel 12 down through spacing tooth 17 joint, on prevent changeing dish 13 and install on support frame 14 and relative support frame 14 can reciprocate. Specifically, a limit tooth 17 groove is formed between adjacent limit teeth 17, and the limit teeth 17 on the upper anti-rotation disc 13 are inserted into the corresponding limit tooth 17 grooves on the lower anti-rotation disc 12 to realize clamping.

The anti-rotation device is characterized in that two ends of the top of the upper anti-rotation disc 13 are respectively fixed with a screw 16, one end of the screw 16 penetrates through the support frame 14 and extends to the upper side, a nut is connected to the screw 16 above the support frame 14 in a threaded manner, a spring 15 is sleeved on the screw 16 between the support frame 14 and the upper anti-rotation disc 13, and the spring 15 is in a compression state. Through swivel nut, can make screw rod 16 reciprocate, thereby make on prevent changeing dish 13 and prevent changeing 12 joint or break away from down, when breaking away from, do not hinder the rotation that the motor drove valve rod 11, the position in case 2 relative water conservancy diversion hole promptly, in order to realize opening and closing of water conservancy diversion hole, when the motor harm, need dismantle the motor and maintain, can rotate the nut this moment, make on prevent changeing dish 13 and prevent changeing 12 joint down, it is fixed with valve rod 11, thereby make case 2 rigidity, when the motor takes off the maintenance, do not influence electric control valve's normal use.

The diameter of the chuck 10 is larger than the distance between the limiting blocks 8 on the two side walls of the valve body 1, so that the chuck 10 can be clamped between the limiting blocks 8.

The end parts of the water inlet valve cavity and the water outlet valve cavity are externally connected with first flange plates 6, the outer walls of the water inlet valve cavity and the water outlet valve cavity are sleeved with second flange plates 5, the second flange plates 5 can rotate and move relative to the valve body 1, and a plurality of mounting holes connected with pipelines are formed in the second flange plates 5. When the pipeline is installed, only the second flange plate 5 needs to be rotated, the installation holes in the second flange plate 5 correspond to the installation holes in the pipeline, then the second flange plate 5 and the pipeline are fixed through the fixing bolts 3 and the nuts, the situation that the second flange plate 5 is in a fixed state and cannot be installed due to the fact that the installation holes in the second flange plate 5 are not corresponding to the installation holes in the pipeline in a deviated mode is avoided, convenience is provided for machining the installation holes in the second flange plate 5, drilling is not needed according to the distribution positions of the installation holes in the pipeline in a one-to-one mode, only drilling is needed according to the distribution angles of the installation holes in the pipeline, the machining procedures of the installation holes in the second flange plate 5 are simplified, and working efficiency is improved.

And an annular groove is formed in the side wall, away from the valve body 1, of the first flange 6 and used for placing a sealing gasket.

The valve sleeve seat is characterized in that a first threaded blind hole is formed in the bottom of the valve sleeve seat 7, a bolt 3 is connected to the first threaded blind hole in a threaded mode, and the valve core 2 is sleeved on the bolt 3 to be detachably and fixedly connected with the valve sleeve seat 7. The bolt 3 extrudes the valve core 2 to be fixed with the valve sleeve seat 7, and when the valve core 2 needs to be replaced, the bolt 3 only needs to be unscrewed, and the valve core 2 is detached and replaced.

The working principle of the embodiment is as follows: the motor drives the valve rod 11 to rotate, because the valve rod 11 is in threaded connection with the valve sleeve seat 7, and under the condition that the limiting block 8 is inserted into the sliding groove, the valve rod 11 only can rotate to enable the valve sleeve seat 7 to do vertical linear motion, when the valve sleeve seat 7 moves downwards, the valve core 2 is far away from the diversion hole to enable the diversion hole to be gradually opened, when the valve sleeve seat 7 moves upwards, the valve core 2 is close to the diversion hole to gradually close the diversion hole to realize the on-off operation of the electric control valve, when the valve core 2 is worn and needs to be replaced, only the second valve cover 18 needs to be opened to enable the outlet of the valve core to be opened, then the motor drives the valve rod 11 to enable the valve sleeve seat 7 to drive the valve core 2 to move downwards until the valve core 2 moves from the outlet of the valve core, at the moment, the bolt 3 is screwed out of the first thread blind hole, the valve core 2 is taken down and sleeved with a new valve core 2, then the motor is restarted to extend the valve core 2 into the valve body 1 from the outlet of the valve core, the outlet of the valve core is sealed again through the second valve cover 18, the valve core 2 can be directly replaced simply and conveniently without disassembling the whole valve body 1, the replacement mode is simple and rapid, when the motor is damaged and needs to be disassembled for maintenance, the screw 16 moves downwards through rotating the nut, the limit teeth 17 on the upper anti-rotation disc 13 are inserted into the limit teeth 17 grooves on the lower anti-rotation disc 12 to realize clamping, the valve rod 11 cannot rotate at the moment, the position of the valve core 2 is fixed, the spring 15 is in a compression state to generate pressure on the upper anti-rotation disc 13, the upper anti-rotation disc 13 is prevented from being separated from the lower anti-rotation disc 12, the valve is more stable, the motor can be disassembled for maintenance under the normal use condition of the electric regulating valve, during maintenance, if the position of the valve core 2 needs to be regulated, the upper anti-rotation disc 13 is lifted upwards manually, then the lower anti-rotation disc 12 is manually rotated, the position of the valve core 2 can be adjusted, so that the size of a diversion hole is changed, after the adjustment is finished, the upper anti-rotation disc 13 is loosened again, the upper anti-rotation disc 13 is clamped on the lower anti-rotation disc 12 again under the action of the spring 15, when the electric control valve is installed with a pipeline, the second flange 5 is rotated to enable the installation hole on the second flange 5 to correspond to the installation hole on the pipeline, then the bolt 3 is inserted and the nut is connected, the second flange 5 applies pressure to the first flange 6 to clamp the first flange 6 with the pipeline, the electric control valve and the pipeline are fixed, the flange on the valve body 1 in the prior art is prevented from being in a fixed state, the position of the installation hole cannot be adjusted, after the valve body 1 is fixed with the pipeline at one end, the installation hole at the other end of the valve body 1 cannot be correspondingly connected with the installation, providing convenience for installation.

It will be understood by those skilled in the art that any combination of the elements of the present invention, including the summary and detailed description of the invention provided in the foregoing description and illustrated in the accompanying drawings, is not to be considered limiting in scope and in order to make the description more concise, and not to describe every element of the combination. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an electrical control valve, includes the valve body, be equipped with the water conservancy diversion hole that makes water inlet valve chamber and water outlet valve chamber communicate in the valve body, its characterized in that: the valve comprises a valve body and is characterized in that a first valve cover is fixed at the top of the valve body, a valve rod penetrates through the first valve cover, one end of the valve rod extends to the upper portion of the valve body and is connected with a rotary driving assembly, the other end of the valve rod extends into the valve body, a valve sleeve seat is sleeved in the valve body in a threaded mode, a valve core is detachably fixed at the bottom end of the valve sleeve seat and is located below a flow guide hole, sliding grooves are formed in two side walls of the valve sleeve seat respectively, a limiting block matched with the sliding grooves is fixed on the side wall, close to the flow guide hole, of the valve body, one end of the limiting block is inserted into the sliding grooves, a chuck is fixed at the top of the valve sleeve seat and is clamped on the limiting block to limit displacement of the valve sleeve seat, a valve core outlet extends outwards from the position, and a second.

2. An electrically actuated regulator valve according to claim 1 wherein: the top of first valve gap is fixed with the support frame, the rotary driving subassembly is installed on the support frame.

3. An electrically actuated regulator valve according to claim 2 wherein: the rotary driving assembly comprises a motor, the motor is installed on the supporting frame, and the motor is connected with the valve rod to drive the valve rod to rotate.

4. An electrically actuated regulator valve according to claim 3 wherein: and the valve rod on the outer side of the valve body is provided with an anti-rotation assembly to limit the rotation of the valve rod.

5. An electrically actuated regulator valve according to claim 4 wherein: prevent changeing the subassembly and include from last to preventing the carousel and preventing the carousel down on overlapping in proper order on the valve rod down, prevent carousel and valve rod fixed connection down, on prevent the carousel and prevent down being provided with the spacing tooth that a plurality of annular array distribute on the relative lateral wall of carousel respectively, on prevent the carousel and prevent down that the carousel passes through spacing tooth joint, on prevent changeing the dish and install on the support frame and relative support frame can reciprocate.

6. An electrically actuated regulator valve according to claim 5 wherein: the anti-rotation device is characterized in that screw rods are respectively fixed at two ends of the top of the upper anti-rotation disc, one end of each screw rod penetrates through the support frame and extends to the upper side, a nut is connected to the screw rod above the support frame in a threaded mode, a spring is sleeved on the support frame and the screw rod between the upper anti-rotation discs, and the spring is in a compression state.

7. An electrically actuated regulator valve according to claim 1 wherein: the diameter of the chuck is larger than the distance between the limiting blocks on the two side walls of the valve body, so that the chuck can be clamped between the limiting blocks.

8. An electrically actuated regulator valve according to claim 1 wherein: the end parts of the water inlet valve cavity and the water outlet valve cavity are externally connected with first flanges, the outer walls of the water inlet valve cavity and the water outlet valve cavity are sleeved with second flanges, the second flanges can rotate and move relative to the valve body, and a plurality of mounting holes connected with pipelines are formed in the second flanges.

9. An electrically actuated regulator valve according to claim 8 wherein: an annular groove is formed in the side wall, away from the valve body, of the first flange plate and used for placing a sealing gasket.

10. An electrically actuated regulator valve according to claim 1 wherein: the valve comprises a valve sleeve seat and a valve core, wherein the valve core is sleeved on the bolt to be detachably and fixedly connected with the valve sleeve seat.