CN111928006A

CN111928006A - Electric water drain valve

Info

Publication number: CN111928006A
Application number: CN202010955296.8A
Authority: CN
Inventors: 侯成才; 付崇
Original assignee: Jiangsu Youao Electric Appliance Co Ltd
Current assignee: Jiangsu Youao Electric Appliance Co Ltd
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2020-11-13

Abstract

The invention discloses an electric water drain valve which comprises a valve shell, a stepping motor, an output wheel, a pull rod and a sealing plug, wherein the stepping motor is fixed in the valve shell, the output shaft of the stepping motor is connected with the output wheel, a steel wire rope is wound on the output wheel, one end, away from the output wheel, of the steel wire rope is connected with one end of the pull rod, the other end of the pull rod is connected with the sealing plug, a spring is sleeved on the pull rod, one end of the spring is fixed on the pull rod, the other end of the spring is in contact with the end face of the valve shell, and. The step motor is utilized to drive the output wheel to rotate, the rotation of the output wheel can release or tighten the steel wire rope wound on the output wheel, so that the pull rod at the other end of the steel wire rope is pulled to move along the vertical direction, the piston is driven by the pull rod to open or close the water outlet, and the water outlet opening device is simple in structure, reliable in operation, convenient to maintain and low in cost.

Description

Electric water drain valve

Technical Field

The invention relates to the technical field of electric valves, in particular to an electric water drain valve.

Background

A drain valve, also called a drain valve, is a valve member for discharging water in an equipment tank, and is widely used in an automobile cooling water tank, an air-conditioning water tank, and the like. For example, a common water drain valve in an air-conditioning water tank mostly adopts manual water drainage, and the purpose of water drainage is realized by opening a sealing plug of a water outlet, so that time and labor are wasted; and common electronic valve that drains all links to each other with the sealing plug through setting up the electromagnetic component, drives the action of sealing plug through the electromagnetic component and realizes automatic drainage, and the structure of this kind of electronic valve that drains is comparatively complicated, and the maintenance cost is higher.

Disclosure of Invention

The invention provides an electric water drain valve which can realize electric control of water drainage and has the advantages of simple structure, reliable operation, convenient maintenance and lower cost.

The utility model provides an electronic valve that drains, includes valve casing, step motor, output wheel, pull rod and sealing plug, and step motor fixes in the valve casing, and step motor's output shaft links to each other with the output wheel, and the winding has wire rope on the output wheel, and wire rope keeps away from the one end of output wheel and links to each other with the one end of pull rod, and the other end of pull rod links to each other with the sealing plug, and the cover is equipped with the spring on the pull rod, the one end of spring is fixed on the pull rod, the other end and the end face contact of valve casing.

Further, the stepping motor is horizontally arranged, and the pull rod is vertically arranged.

Further, the valve casing includes preceding valve casing and disk seat, and the disk seat includes disk seat and lower disk seat, goes up the disk seat and links to each other with preceding valve casing, goes up the space that step motor was held to disk seat and preceding valve casing constitution, and lower disk seat is tubular structure, sets up in the lower disk seat the pull rod.

Furthermore, the output wheel comprises a wheel shaft and a wheel body, a first limiting clamping groove is formed in the end face of the wheel body, a first groove is formed in the wheel edge of the wheel body in the circumferential direction, the first groove is communicated with the first limiting clamping groove, the width of the first groove is smaller than that of the first limiting clamping groove, a first clamping head is arranged at one end, connected with the output wheel, of the steel wire rope, the first clamping head is clamped in the first limiting clamping groove, and the steel wire rope is wound in the first groove.

Furthermore, a limiting clamping groove II is formed in the end face of one end, connected with the steel wire rope, of the pull rod, a groove II is formed in the side wall of the pull rod and communicated with the limiting clamping groove II, the width of the groove II is larger than that of the limiting clamping groove II, a clamping head II is arranged at one end, connected with the pull rod, of the steel wire rope, the clamping head II is clamped in the groove II, and the steel wire rope penetrates out of the limiting clamping groove II.

Furthermore, a plurality of clamping plates are arranged in the middle of the pull rod along the circumferential direction, and the outer diameter of each clamping plate group is larger than the inner diameter of the spring, so that the pull rod is in interference fit with the spring.

Furthermore, at least one circle of lug boss with the diameter larger than the outer diameter of the spring is arranged below the clamping plates.

Furthermore, the sealing plug is made of elastic materials, the bottom end of the pull rod is provided with a clamping plate with the diameter larger than the inner diameter of the sealing plug, and the clamping plate is clamped in the sealing plug.

The step motor is utilized to drive the output wheel to rotate, the rotation of the output wheel can release or tighten the steel wire rope wound on the output wheel, so that the pull rod at the other end of the steel wire rope is pulled to move along the vertical direction, and the pull rod drives the piston to open or close the water outlet; the pull rod is provided with a spring to assist the pull rod to drive the piston to move; the stepping motor is horizontally arranged, the pull rod is vertically arranged, so that the stepping motor can be conveniently arranged in equipment, the installation and maintenance are facilitated, and the rotary motion of the stepping motor can be converted into the linear reciprocating motion of the sealing plug along the vertical direction through the arrangement among the stepping motor, the output wheel, the steel wire rope and the pull rod; the two ends of the steel wire rope are provided with the clamping heads, and the output wheel and the pull rod are respectively provided with a limiting clamping groove matched with the clamping heads at the two ends of the steel wire rope, so that the steel wire rope can be rapidly installed together with the output wheel and the pull rod respectively, and meanwhile, the steel wire rope is convenient to disassemble and maintain subsequently.

Drawings

FIG. 1 is a schematic perspective view of an electric water drain valve according to the present invention;

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

FIG. 3 is a schematic view of an electric discharge valve according to the present invention in a state where a discharge port is opened;

fig. 4 is a schematic view of an electric drain valve according to the present invention in a state where a drain port is closed.

In the figure:

1. a valve housing; 11. a front valve housing; 12. a valve seat; 121. an upper valve seat; 122. a lower valve seat; 2. a stepping motor; 3. an output wheel; 31. a wheel axle; 32. a wheel body; 33. a first limiting clamping groove; 34. a first groove; 4. a pull rod; 41. a second limiting clamping groove; 42. a second groove; 43. a clamping and connecting plate; 44. a boss; 45. clamping a plate; 5. a sealing plug; 6. a wire rope; 61. a first clamping head; 62. a second chuck; 7. a spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

As shown in fig. 1 and 2, an electric water drain valve comprises a valve casing 1, a stepping motor 2, an output wheel 3, a pull rod 4 and a sealing plug 5, wherein the stepping motor 2 is fixed in the valve casing 1, an output shaft of the stepping motor 2 is connected with the output wheel 3, a steel wire rope 6 is wound on the output wheel 3, one end, away from the output wheel 3, of the steel wire rope 6 is connected with one end of the pull rod 4, the other end of the pull rod 4 is connected with the sealing plug 5, a spring 7 is sleeved on the pull rod 4, one end of the spring 7 is fixed on the pull rod 4, the other end of the spring is in contact with the end face of the valve casing 1, and the spring.

The stepping motor 2 drives the output wheel 3 to rotate, the rotation of the output wheel 3 can enable the steel wire rope 6 wound on the output wheel 3 to be released or tightened, so that the pull rod 4 at the other end of the steel wire rope 6 is pulled to move along the vertical direction, when the steel wire rope 6 pulls the pull rod 4 to move upwards, the upward pulling force can drive the sealing plug 5 at the bottom of the pull rod 4 to overcome the friction force between the sealing plug 5 and the water outlet to move upwards so as to open the water outlet, and the spring 7 is further compressed when the pull rod 4 moves upwards; when the steel wire rope 6 drives the pull rod 4 to move downwards, the compressed spring 7 is released, and the rebound force of the spring 7 can push the pull rod 4 to move downwards, so that the sealing plug 5 at the bottom of the pull rod 4 overcomes the friction force between the sealing plug 5 and the water outlet and is inserted into the water outlet, and the water outlet is closed.

The stepping motor 2 is horizontally arranged, and the pull rod 4 is vertically arranged. The horizontal arrangement of the stepping motor 2 is convenient for installation and maintenance in the equipment, and the rotary motion of the stepping motor 2 is converted into the linear reciprocating motion of the sealing plug 5 along the vertical direction through the configuration among the stepping motor 2, the output wheel 3, the steel wire rope 6 and the pull rod 4.

Valve casing 1 includes front valve casing 11 and valve seat 12, and valve seat 12 includes upper valve seat 121 and lower valve seat 122, and upper valve seat 121 links to each other with front valve casing 11, and upper valve seat 121 constitutes the space that holds step motor 2 with front valve casing 11, and lower valve seat 122 is the tubular structure, sets up in the lower valve seat 122 pull rod 4.

Further, the output wheel 3 comprises a wheel shaft 31 and a wheel body 32, a first limiting clamping groove 33 is formed in the end face of the wheel body 32, a first groove 34 is formed in the wheel edge of the wheel body 32 along the circumferential direction, the first groove 34 is communicated with the first limiting clamping groove 33, the width of the first groove 34 is smaller than that of the first limiting clamping groove 33, a first clamping head 61 is arranged at one end, connected with the output wheel 3, of the steel wire rope 6, the first clamping head 61 is clamped in the first limiting clamping groove 33, and the steel wire rope 6 is wound in the first groove 34. Through the mode, the steel wire rope 6 and the output wheel 3 can be quickly installed together, and meanwhile, the follow-up disassembly and maintenance are convenient.

The end face of one end, connected with the steel wire rope 6, of the pull rod 4 is provided with a second limiting clamping groove 41, the side wall of the pull rod 4 is provided with a second groove 42, the second groove 42 is communicated with the second limiting clamping groove 41, the width of the second groove 42 is larger than that of the second limiting clamping groove 41, one end, connected with the pull rod 4, of the steel wire rope 6 is provided with a second clamping head 62, the second clamping head 62 is clamped in the second groove 42, and the steel wire rope 6 penetrates out of the second limiting clamping groove 41. Through the mode, the steel wire rope 6 and the pull rod 4 can be quickly installed together, and meanwhile, the follow-up disassembly and maintenance are convenient.

The middle of pull rod 4 is equipped with a plurality of joint board 43 along circumference, and a plurality of joint board 43 group external diameter size are greater than the internal diameter size of spring 7 to make pull rod 4 and spring 7 interference fit.

In order to further limit the spring 7, at least one circle of bosses 44 with a diameter larger than the outer diameter of the spring 7 is arranged below the plurality of clamping plates 43.

The sealing plug 5 is made of elastic materials, the bottom end of the pull rod 4 is provided with a clamping plate 45 of which the diameter is larger than the inner diameter of the sealing plug 5, and the clamping plate 45 is clamped in the sealing plug 5. The sealing plug 5 and the pull rod 4 are arranged in a detachable structure, so that when the sealing plug 5 is worn, the sealing plug 5 can be replaced conveniently.

The working principle of the invention is as follows:

opening: the stepping motor 2 receives a program command and rotates anticlockwise in the direction shown in fig. 3, the motor shaft drives the output wheel 3 to tighten the steel wire rope 6, the pull rod 4 is enabled to vertically move upwards under the traction of the steel wire rope 6, the pull rod drives the sealing plug 5 to be separated from the water outlet, and at the moment, the spring 7 is in a pressing state.

Closing: the stepping motor 2 receives a program command to rotate clockwise along the direction shown in fig. 4, the motor shaft drives the output wheel 3 to output the tightened steel wire rope 6, the pull rod 4 vertically translates downwards under the combined action of the reset of the spring 7 and the stepping motor 2, and the pull rod 4 drives the sealing plug 5 to block the water outlet.

It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. The utility model provides an electronic valve that drains, its characterized in that includes valve casing, step motor, output wheel, pull rod and sealing plug, and step motor fixes in the valve casing, step motor's output shaft with the output wheel links to each other, the winding has wire rope on the output wheel, wire rope keeps away from the one end of output wheel and links to each other with the one end of pull rod, and the other end and the sealing plug of pull rod link to each other, and the cover is equipped with the spring on the pull rod, the one end of spring is fixed on the pull rod, the other end and the end face contact of valve casing, just the spring is in compression state.

2. The electrically operated water drain valve according to claim 1, wherein the stepping motor is horizontally disposed and the draw bar is vertically disposed.

3. The electrically operated release valve of claim 1, wherein said valve housing comprises a front valve housing and a valve seat, said valve seat comprising an upper valve seat and a lower valve seat, said upper valve seat being connected to said front valve housing, said upper valve seat and said front valve housing defining a space for accommodating said stepping motor, said lower valve seat having a cylindrical configuration, said pull rod being disposed in said lower valve seat.

4. The electric water drain valve according to any one of claims 1 to 3, wherein the output wheel comprises a wheel shaft and a wheel body, a first limiting clamping groove is formed in the end surface of the wheel body, a first groove is formed in the wheel edge of the wheel body along the circumferential direction, the first groove is communicated with the first limiting clamping groove, the width of the first groove is smaller than that of the first limiting clamping groove, a first clamping head is arranged at one end, connected with the output wheel, of the steel wire rope, the first clamping head is clamped in the first limiting clamping groove, and the steel wire rope is wound in the first groove.

5. The electric water drain valve according to claim 4, wherein a second limiting clamping groove is formed in an end face of one end, connected with the steel wire rope, of the pull rod, a second groove is formed in a side wall of the pull rod, the second groove is communicated with the second limiting clamping groove, the width of the second groove is larger than that of the second limiting clamping groove, a second clamping head is arranged at one end, connected with the pull rod, of the steel wire rope, the second clamping head is clamped in the second groove, and the steel wire rope penetrates out of the second limiting clamping groove.

6. The electric water drain valve according to claim 5, wherein a plurality of snap plates are circumferentially arranged in the middle of the pull rod, and the outer diameter of the snap plates is larger than the inner diameter of the spring, so that the pull rod is in interference fit with the spring.

7. The electric water drain valve according to claim 6, wherein at least one circle of bosses having a diameter larger than an outer diameter of the spring is provided below the plurality of catching plates.

8. The electric bleeder valve of claim 7, wherein the sealing plug is made of an elastic material, and a clamping plate having a diameter larger than the inner diameter of the sealing plug is arranged at the bottom end of the pull rod and is clamped in the sealing plug.