CN213871186U

CN213871186U - Electric control valve and water tank-free quick heating pipeline machine with same

Info

Publication number: CN213871186U
Application number: CN202022733675.0U
Authority: CN
Inventors: 黄彪
Original assignee: Wenzhou Dayang Technology Co ltd
Current assignee: Wenzhou Dayang Technology Co ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-08-03
Anticipated expiration: 2030-11-23

Abstract

The utility model relates to an electric regulating valve and a water tank-free quick heating bobbin winder of the electric regulating valve, which comprises a valve body, a valve core and an actuator, the valve body is provided with a water inlet and a water outlet, an inner valve cavity and an outer valve cavity are arranged in the valve body, the water inlet is communicated with the inner valve cavity, the water outlet is communicated with the outer valve cavity, the actuator is arranged by adopting a stepping motor, the valve core comprises a movable valve plate and a fixed valve plate, the output shaft of the stepping motor and the movable valve plate rotate synchronously, the fixed valve plate is arranged in the inner valve cavity, the movable valve plate is attached to the fixed valve plate, the fixed valve plate is provided with an arc-shaped through groove communicated with the outer valve cavity, the movable valve plate is provided with an arc-shaped opening communicated with the outer valve cavity at the position of the arc-shaped through groove, and the movable valve plate rotates to adjust the conduction area between the arc-shaped through groove and the arc-shaped opening so as to adjust the flow. Adopt above-mentioned technical scheme, the utility model provides an electrical control valve, this electrical control valve easy operation to can the effective control inflow, make the precision of governing valve high.

Description

Electric control valve and water tank-free quick heating pipeline machine with same

Technical Field

The utility model belongs to the technical field of liquid flow control system technique and specifically relates to a quick heating pipeline machine of no water tank that electrical control valve and have this electrical control valve is related to.

Background

The regulating valve is an important execution unit instrument in industrial automation process control, and is formed by connecting and combining an execution mechanism and the regulating valve, and then mechanically connecting, assembling, debugging and installing. The existing regulating valve comprises a valve body, a valve core and an actuator, wherein a water inlet and a water outlet are arranged on the valve body, an inner valve cavity and an outer valve cavity are arranged in the valve body, the water inlet is communicated with the inner valve cavity, the water outlet is communicated with the outer valve cavity, and the actuator is connected with the valve core and drives the valve core to move up and down in the valve cavity, so that the inner valve cavity and the outer valve cavity can be communicated or cut off. However, the actuator of the regulating valve needs manual operation, so that the regulating valve has the problem of inconvenient operation, and the valve core can not be accurately controlled through the manual operation actuator, so that the water inflow between the water inlet and the inner valve cavity can not be controlled, and the precision of the regulating valve is low.

Disclosure of Invention

The utility model aims at: in order to overcome the defects of the prior art, the utility model provides an electric regulating valve, this electric regulating valve easy operation to but the effective control inflow makes the precision of governing valve high.

The technical scheme of the utility model: the utility model provides an electric control valve, includes valve body, case and executor, be equipped with water inlet and delivery port on the valve body, be equipped with interior valve pocket and outer valve pocket in the valve body, water inlet and interior valve pocket communicate with each other, delivery port and outer valve pocket communicate with each other, its characterized in that, the executor adopt step motor to set up, the case is including moving valve block and fixed valve block, step motor's output shaft and the synchronous rotation of moving valve block, fixed valve block set up in the interior valve pocket, move the valve block and laminate mutually with fixed valve block, be equipped with on the fixed valve block and lead to the groove with the communicating arc in outer valve pocket, thereby move the valve block and lie in the groove position of arc and be equipped with the communicating arc opening in outer valve pocket, thereby move the valve block and rotate the regulation of the area of conducting between adjustable arc logical groove and the arc opening and realize flow size.

By adopting the technical scheme, the water inflow can be better controlled, water firstly enters the inner valve cavity from the water inlet, then flows into the outer valve cavity from the inner valve cavity, and finally flows out from the water outlet communicated with the outer valve cavity, in order to control the water inflow, a stepping motor and the matching between the fixed valve plate and the movable valve plate are adopted, the fixed valve plate is provided with the arc through groove, the movable valve plate is provided with the arc opening, the stepping motor drives the movable valve plate to rotate, when the arc opening is opposite to the arc through groove, the water in the inner valve cavity can enter the outer valve cavity, the water inflow entering the outer valve cavity is controlled by the rotation of the movable valve plate driven by the stepping motor according to the conduction area between the arc through groove and the arc opening, the larger the water inflow, the smaller the conduction area, the smaller the water inflow, and the stepping motor rotates one step, the movable valve plate is driven to rotate one step, the conduction area is slowly changed, when one side of the movable valve plate, which is not provided with the arc opening, is completely attached to the arc through groove of the fixed valve plate, the electric regulating valve is completely closed, the inner valve cavity and the outer valve cavity are disconnected and are not communicated, and in order to achieve linear control of water inflow, the shape curve of the arc through groove is in nonlinear setting.

The utility model discloses a further setting: and a rotating shaft is further arranged in the valve body, one end of the rotating shaft is in plug-in fit with an output shaft of the stepping motor, and the other end of the rotating shaft is in clamping fit with the movable valve plate.

Adopt above-mentioned further setting, through the connection of rotation axis for realize synchronous rotation between movable valve piece and the step motor, simple structure, simple to operate.

The utility model discloses a further setting: the rotating shaft is provided with a polygonal slot matched with an output shaft of the stepping motor, the output shaft of the stepping motor is inserted into the polygonal slot to realize synchronous rotation of the stepping motor and the rotating shaft, the rotating shaft is also provided with a positioning groove, the movable valve plate is correspondingly provided with a positioning lug, and the positioning lug is clamped in the corresponding positioning groove to realize synchronous rotation of the rotating shaft and the movable valve plate.

Adopt above-mentioned further setting, simple to operate, the setting up of polygon slot makes being connected between step motor's output shaft and the rotation axis more firm, and the cooperation processing that adopts positioning groove and location lug is convenient, and it is also convenient to install.

The utility model discloses a further setting again: the valve body includes interconnect's disk seat and valve gap, interior valve pocket and outer valve pocket all set up in the disk seat, step motor set up on the valve gap, interior valve pocket in be equipped with annular groove a, annular groove a in be equipped with sealing washer a, the fixed valve piece contradict and set up on sealing washer a.

Adopt above-mentioned further setting again, simple to operate, the setting up of sealing washer a makes the leakproofness of interior valve pocket better for water flows into except leading to the groove from the pitch arc on the fixed valve piece, can't flow into in the interior valve pocket from other places.

The utility model discloses a still further set up: a plurality of limiting grooves are formed in the inner side wall of the inner valve cavity along the circumferential direction of the inner side wall, a plurality of limiting convex strips are correspondingly arranged on the fixed valve plate, and each limiting convex strip is clamped in the corresponding limiting groove to achieve circumferential fixing of the fixed valve plate.

Adopt above-mentioned further setting again for the fixed valve piece is more stable, can not driven the rotation of valve piece and drive its removal, and then better control inflow.

The utility model discloses a still further set up: the periphery that lies in outer valve pocket on the disk seat is equipped with annular groove b, annular groove b in be equipped with sealing washer b, the valve gap extend to in the disk seat and inconsistent with sealing washer b.

By adopting the above further arrangement, the sealing performance of the valve body is better, and water in the outer valve cavity cannot flow out of the valve body from the space between the valve seat and the valve cover.

The utility model discloses another technical scheme: the organism is equipped with heating member and inlet tube in the organism, the inlet tube with the heating member connect, be equipped with into water solenoid valve and flowmeter on the inlet tube in proper order, electrical control valve set up between water solenoid valve and flowmeter, thereby the flowmeter can drive electrical control valve according to the discharge that records and adjust its switching size steerable inflow, lie in on the inlet tube and be equipped with between water solenoid valve and the electrical control valve with the communicating back flow of inlet tube, be equipped with the check valve on the back flow.

By adopting the technical scheme, the quick heating pipeline machine is not provided with the built-in water tank any longer, water directly flows into the heating body through the water inlet pipe and is not contacted with air, and the problem of water pollution caused by the built-in water tank in the prior art is solved. The water inlet electromagnetic valve is arranged on the water inlet pipe to control the water inlet of the water inlet pipe, when a user needs water, the water inlet electromagnetic valve is started, purified water can flow into the heating body from the water inlet pipe, and when the user does not need water, the water inlet electromagnetic valve is closed; the setting of electrical control valve and flowmeter can control the inflow, because of the heating member when heating its inside water, it is long when needing certain heating, and the inlet tube is still intaking continuously this moment, and the inflow is great, when the flowmeter records discharge and reachs the setting value, then can control electrical control valve work, carry out the regulation of discharge, make the discharge of electrical control valve play water end reduce after the regulation, fast hot pipeline machine connects the purifier and forms complete water dispenser. The purifier does not have the water storage bucket a bit among the prior art, has the water storage bucket a bit, when using with the supporting use of purifier that does not have the water storage bucket, because of the purification discharge of purifier output is invariable, if the flow of taking the purification water is less than output purification discharge, the water purification chance is very frequent opens and stops, leads to the unable normal work of purifier, consequently needs the purification moisture reposition of redundant personnel of output. The redundant purified water at the water inlet end of the electric regulating valve flows back to the water inlet pipe of the water purifier through the return pipe, and the return pipe is provided with the one-way valve so as to prevent unpurified water from flowing into the water purifier from the return pipe and better control the consumption of purified water; when the water purifier has the water storage bucket, because of the water storage bucket can control the discharge water flow, so can seal the return pipe.

Drawings

Fig. 1 is a schematic structural view of an electric control valve according to an embodiment of the present invention;

FIG. 2 is an exploded view of an electric control valve according to an embodiment of the present invention;

FIG. 3 is a top view of a valve seat in an embodiment of the present invention;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

FIG. 5 is a schematic view of the valve seat and the stationary plate according to an embodiment of the present invention;

fig. 6 is a schematic diagram of the embodiment of the present invention when the conduction area is the largest;

fig. 7 is a schematic view of the embodiment of the present invention after the conduction area is reduced;

FIG. 8 is a schematic view of an electric control valve according to an embodiment of the present invention when closed;

fig. 9 is a schematic structural view of a rotating shaft according to an embodiment of the present invention;

FIG. 10 is a schematic structural view of a water dispenser without a water storage tank according to an embodiment of the present invention;

fig. 11 is a schematic structural view of a water purifier with a water storage bucket in a water dispenser according to an embodiment of the present invention.

Detailed Description

As shown in fig. 1-11, an electric control valve 10 includes a valve body 1, a valve core 2 and an actuator 3, the valve body 1 is provided with a water inlet 11 and a water outlet 12, the valve body 1 is provided with an inner valve cavity 13 and an outer valve cavity 14, the water inlet 11 is communicated with the inner valve cavity 13, the water outlet 12 is communicated with the outer valve cavity 14, the actuator 3 is provided with a stepping motor, the valve core 2 and the stepping motor 3 rotate synchronously, the valve core 2 includes a movable valve plate 21 and a fixed valve plate 22, an output shaft of the stepping motor 3 rotates synchronously with the movable valve plate 21, the fixed valve plate 22 is provided in the inner valve cavity 13, the movable valve plate 21 is attached to the fixed valve plate 22, the fixed valve plate 22 is provided with an arc through groove 221 communicated with the outer valve cavity 14, the movable valve plate 21 is provided with an annular opening 211 corresponding to the arc through groove 221, or an annular gap, or an arc through groove, the arc opening 211 is communicated with the outer valve cavity 14, as shown in fig. 5, the arc through groove 221 is arranged on one side of the fixed valve plate 22, as shown in fig. 6-8, the annular opening 211 is also arranged on one side of the movable valve plate 21, the other side of the movable valve plate 21 is always attached to the fixed valve plate 22, the movable valve plate 21 rotates to adjust the conducting area of the opening 211 and the arc through groove 221 so as to realize the adjustment of the flow, the water inflow can be better controlled, water firstly enters the inner valve cavity 13 from the water inlet 11, then flows into the outer valve cavity 14 from the inner valve cavity 13, and finally flows out from the water outlet 12 communicated with the outer valve cavity 14, in order to control the water inflow, the stepping motor 3 and the cooperation between the fixed valve plate 22 and the movable valve plate 21 are adopted, the arc through groove 221 is arranged on the fixed valve plate 22, the annular opening 211 is arranged on the movable valve plate 21, the stepping motor 3 drives the movable valve plate 21 to rotate, when the annular opening 211 is opposite to the arc through groove 221, water in the inner valve cavity 13 can enter the outer valve cavity 14, and the water inflow entering the outer valve cavity 14 is according to the conduction area between the arc through groove 221 on the fixed valve plate 22 and the arc opening 211 on the movable valve plate 21, the larger the conduction area is, the larger the water inflow is, the smaller the conduction area is, the smaller the water inflow is, the conduction area between the arc through groove 221 on the fixed valve plate 22 and the arc opening 211 on the movable valve plate 21 is controlled by the stepping motor 3, and the stepping motor 3 is a motor which converts an electric pulse signal into corresponding angular displacement or linear displacement. When a pulse signal is input, the rotor rotates by an angle or advances by one step, the output angular displacement or linear displacement is in direct proportion to the input pulse number, and the rotating speed is in direct proportion to the pulse frequency, so that the size of the conduction area is controlled by the rotating steps of the stepping motor 3. When the side of the movable valve plate 21 without the opening 211 is completely attached to the arc-shaped through groove 221 of the fixed valve plate 22, the electric regulating valve is completely closed, the inner valve cavity and the outer valve cavity are disconnected and not communicated, and in order to achieve linear water inflow control, the shape curve of the arc-shaped through groove 221 is in nonlinear arrangement.

In this embodiment, the valve body 1 is further provided with a rotating shaft 4, one end of the rotating shaft 4 is in inserting fit with an output shaft of the stepping motor 3, the other end of the rotating shaft 4 can be in clamping fit or can be in inserting fit with the movable valve plate 21, one end of the rotating shaft 4 is provided with a polygonal slot 41, the output shaft of the stepping motor 3 is inserted into the slot 41 to realize synchronous rotation with the rotating shaft 4, the other end of the rotating shaft 41 is provided with a positioning protrusion 42, the movable valve plate 21 is correspondingly provided with a positioning groove 212, the positioning protrusion 42 is clamped in the positioning groove 212 to realize synchronous rotation of the rotating shaft 4 and the movable valve plate 21, the positioning protrusion 42 can be arranged at the middle position of the rotating shaft 4, the corresponding positioning groove 212 is also arranged at the middle position of the movable valve plate 21, and the positioning groove 212 can be arranged in a square shape, certainly, the positioning groove can be, and the positioning lug and the positioning groove can be arranged circularly, or arranged in a square shape or arranged in a triangular shape, so that the synchronous rotation of the rotating shaft 4 and the movable valve plate 21 can be better realized, the arrangement of the rotating shaft 4 is convenient for the stepping motor 3 to drive the movable valve plate 21 to rotate, the positioning lug 42 and the positioning groove 212 are arranged in a square shape, so that the synchronous rotation between the rotating shaft 4 and the movable valve plate 21 can be better realized, and the synchronous rotation of the stepping motor 3 and the movable valve plate 21 can be realized.

In this embodiment, the valve body 1 includes the valve seat 15 and the valve cover 16 that interconnect, and the valve seat 15 can be dismantled with the valve cover 16 and be connected, is convenient for install internals, interior valve chamber 13 and outer valve chamber 14 all set up in the valve seat 15, step motor 3 set up on the valve cover 16, interior valve chamber 13 in be equipped with annular groove a131, annular groove a131 in be equipped with sealing washer a132, fixed valve piece 22 conflict and set up on sealing washer a132, the setting of sealing washer a132 makes the leakproofness of interior valve chamber 13 better for water flows into except from the through groove 221 of the arc on the fixed valve piece 22, can't flow into in the interior valve chamber 13 from other places.

In this embodiment, be equipped with a plurality of spacing grooves 133 along its circumference on the inside wall of interior valve pocket 13, fixed valve piece 22 on correspond and be equipped with a plurality of spacing sand grips 222, each spacing sand grip 222 is established and is realized fixed valve piece 22's circumference in the spacing groove 133 that corresponds for fixed valve piece 22 is more stable, can not drive its removal by the rotation of driven valve piece 21, and then better control inflow.

In this embodiment, the periphery that lies in outer valve chamber 14 on the valve seat 15 is equipped with annular groove b151, annular groove b151 in be equipped with sealing washer b152, valve gap 16 extend to in the valve seat 15 and inconsistent with sealing washer b152 for the leakproofness of valve body 1 is better, and the water in the outer valve chamber 14 can not flow out outside the valve body 1 from between valve seat 15 and the valve gap 16.

The quick heating bobbin thread machine with the electric adjusting valve 10 comprises a machine body 5, a heating body 6 and a water inlet pipe 7 are arranged in the machine body 5, the water inlet pipe 7 is connected with the heating body 6, a water inlet electromagnetic valve 8 and a flowmeter 9 are sequentially arranged on the water inlet pipe 7, the electric regulating valve 1 is arranged between the water inlet electromagnetic valve 8 and the flowmeter 9, the flowmeter 9 can drive the electric regulating valve to regulate the opening and closing of the electric regulating valve according to the measured water flow so as to control the water inlet, a return pipe 20 communicated with the water inlet pipe 7 is arranged on the water inlet pipe 7 and positioned between the water inlet electromagnetic valve 8 and the electric regulating valve 10, a one-way valve 201 is arranged on the return pipe 20, this quick heating pipeline machine no longer sets up built-in water tank, and water does not contact with the air in directly flowing to heating member 6 through inlet tube 7, has solved among the prior art because of the water pollution problem that built-in water tank caused. The water inlet solenoid valve 8 is arranged on the water inlet pipe 7 to control the water inlet of the water inlet pipe 7, when a user needs water, the water inlet solenoid valve 8 is started, purified water can flow into the heating body 5 from the water inlet pipe 7, and when the user does not need water, the water inlet solenoid valve 7 is closed; the setting of electrical control valve 10 and flowmeter 9 can control the inflow, because of the heating member when heating its inside water, it is long when needing certain heating, and inlet tube 7 is still intaking continuously this moment, and the inflow is great, when flow reaches the setting value at flowmeter 9 survey discharge, then can control electrical control valve 10 work, carry out the regulation of discharge, make the discharge of electrical control valve 10 water outlet end reduce after the regulation, the quick-heating pipeline machine connects the purifier and forms complete water dispenser. The purifier does not have the water storage bucket a bit among the prior art, has water storage bucket 17 a bit, when using with the supporting use of purifier that does not have the water storage bucket, because of the purification discharge of purifier output is invariable, if the flow of taking the purification water is less than output purification discharge, the water purification chance is very frequent opens and stops, leads to the unable normal work of purifier, consequently needs to be with the purification moisture reposition of redundant personnel of output. The excess purified water at the water inlet end of the electric regulating valve 10 flows back to the water inlet pipe of the water purifier through the return pipe 20, and the return pipe 20 is provided with the one-way valve 201 to prevent unpurified water from flowing into the water purifier from the return pipe 20, so that the purified water consumption is better controlled; when the water purifier has the water storage barrel 17, the water storage barrel 17 can control the water outlet flow, so the return pipe 20 can be closed. The purpose of the pressure reducing valve 30 arranged at the water inlet end of the water purifier is to enable the water inlet pressure of the water purifier to be lower than the purified water end control pressure of the water purifier, so that the purified water flows back smoothly.

Claims

1. The utility model provides an electric control valve, includes valve body, case and executor, be equipped with water inlet and delivery port on the valve body, be equipped with interior valve pocket and outer valve pocket in the valve body, water inlet and interior valve pocket communicate with each other, delivery port and outer valve pocket communicate with each other, its characterized in that, the executor adopt step motor to set up, the case is including moving valve block and fixed valve block, step motor's output shaft and the synchronous rotation of moving valve block, fixed valve block set up in the interior valve pocket, move the valve block and laminate mutually with fixed valve block, be equipped with on the fixed valve block and lead to the groove with the communicating arc in outer valve pocket, thereby move the valve block and lie in the groove position of arc and be equipped with the communicating arc opening in outer valve pocket, thereby move the valve block and rotate the regulation of the area of conducting between adjustable arc logical groove and the arc opening and realize flow size.

2. The electric control valve according to claim 1, wherein a rotating shaft is further arranged in the valve body, one end of the rotating shaft is in inserted fit with an output shaft of the stepping motor, and the other end of the rotating shaft is in clamped fit with the movable valve plate.

3. The electrical control valve according to claim 2, wherein the rotating shaft is provided with a polygonal slot adapted to the output shaft of the stepping motor, the output shaft of the stepping motor is inserted into the polygonal slot to achieve synchronous rotation of the stepping motor and the rotating shaft, the rotating shaft is further provided with a positioning groove, the movable valve plate is correspondingly provided with a positioning protrusion, and the positioning protrusion is clamped in the corresponding positioning groove to achieve synchronous rotation of the rotating shaft and the movable valve plate.

4. The electrical control valve according to claim 3, wherein the valve body comprises a valve seat and a valve cover which are connected with each other, the inner valve cavity and the outer valve cavity are both arranged in the valve seat, the stepping motor is arranged on the valve cover, an annular groove a is arranged in the inner valve cavity, a sealing ring a is arranged in the annular groove a, and the fixed valve plate is arranged on the sealing ring a in an abutting mode.

5. The electrical control valve according to claim 4, wherein the inner side wall of the inner valve chamber is provided with a plurality of limiting grooves along the circumferential direction thereof, the fixed valve plate is correspondingly provided with a plurality of limiting convex strips, and each limiting convex strip is clamped in the corresponding limiting groove to realize circumferential fixation of the fixed valve plate.

6. A water tank-free quick heating pipeline machine comprising an electric regulating valve as claimed in any one of claims 1 to 5, comprising a machine body, wherein a heating body and an inlet pipe are arranged in the machine body, the inlet pipe is connected with the heating body, an inlet solenoid valve and a flow meter are sequentially arranged on the inlet pipe, the electric regulating valve is arranged between the inlet solenoid valve and the flow meter, the flow meter can drive the electric regulating valve to adjust the opening and closing size of the electric regulating valve according to the measured water flow so as to control the water inflow, a return pipe communicated with the inlet pipe is arranged between the inlet solenoid valve and the electric regulating valve on the inlet pipe, and a check valve is arranged on the return pipe.