KR20150051377A

KR20150051377A - A line valve

Info

Publication number: KR20150051377A
Application number: KR1020130132718A
Authority: KR
Inventors: 장갑식
Original assignee: 주식회사 하이테크 창신
Priority date: 2013-11-04
Filing date: 2013-11-04
Publication date: 2015-05-13

Abstract

The present invention relates to a line valve to be used for supplying water for agricultural and industrial purposes to improve airtightness and facilitate the assembly with the use of an improved structure of a valve rotator. The line valve has the opening and closing part of the valve rotator to have a diameter smaller than the inner diameter of the action hole of a valve main body. A circular ring groove is arranged in a direction perpendicular to the direction of the passage of the opening and closing part and has a diameter greater than that of a water inlet and a water outlet. The ring groove has a sealing ring. The passage is shaped into a reversed U with an opened bottom. The both lower sides of the passage have slight elasticity.

Description

The line valve {A LINE VALVE}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a line valve used for supplying water for agricultural or industrial use, and in particular, improves airtightness and improves assembly by improving the configuration of a valve rotating body.

As is well known, when agricultural water is supplied, a facility for distributing and supplying the water supplied from the amphibious pump to each necessary place through a hose is required. In the middle of each hose, a water valve is opened and closed to supply only water when necessary. Use a called valve.

Such a line valve normally has a valve body formed with both outlets and inlet ports on both sides and a valve body rotatably coupled to the center of the valve body and a valve body which rotates inside the valve body to perform a valve function by connecting or disconnecting the inlet and outlet ports As shown in Fig.

More specifically, the configuration of the conventional line valve is such that a through hole for passing the water is formed in a straight line in the valve rotating body, and when the through hole coincides with the inlet hole and the outlet hole of the valve body by the rotation of the valve rotor, If the through hole is not aligned with the inlet and outlet holes, the shutoff takes place. Two important sealing functions of the line valve are required. The water entering the inlet valve flows to the outlet port when the valve body is in the blocking position And a watertight seal that prevents water from entering the inlet hole from leaking into the gap between the valve body and the valve body.

The conventional line valve has a structure in which the outer diameter of the valve rotation body and the inner diameter of the operation hole of the valve body into which the valve body is inserted are tightened so that there is almost no tolerance in order to close the valve, In order to seal the gap between the valve body and the valve rotating body, a sealing ring is inserted and coupled to the upper and lower positions of the through hole of the valve rotating body, respectively.

According to this type of sealing structure, the operation hole of the valve body and the valve body is constrained and the sealing ring is assembled, so that it is very difficult to assemble the assembly and the sealing ring is damaged in the assembling process, In case of airtightness, there is a disadvantage that cost is increased and assembly is inconvenient because two upper and lower sealing rings must be inserted.

Registered Utility Model No. 20-02951300000 (October 31, 2002)

SUMMARY OF THE INVENTION The present invention has been made in view of the above-described problems, and it is an object of the present invention to provide a valve assembly that is easy to assemble without difficulty in assembling a valve,

In order to achieve the above object, according to the present invention, there is provided a line valve comprising a valve body and a valve rotating body, wherein an opening / closing portion of the valve rotating body has a diameter slightly smaller than an inner diameter of the operation hole of the valve body, And each of the ring grooves is formed with a sealing ring. The passageway is formed by an ∩ type in which the lower part is opened, so that the lower ends of both sides of the passage are slightly elastic And a control unit.

According to the present invention, since the sealing ring directly blocks the inlet and outlet ports, the opening / closing part can have a diameter smaller than that of the action hole, and at the same time, since the opening and closing part has elasticity by the passage, There is an advantage that it can be inserted comfortably and quickly in the action hole.

When the valve rotating body is rotated to supply the water, a slight water pressure is discharged through a gap between the opening and closing part and the action hole 13 from the moment when one of the sealing rings slightly opens the inlet or outlet, The operation of the line valve is smoothly performed with less force. On the contrary, even when the line valve is shut off, since the sealing ring finally passes a little pressure until the sealing ring completely covers the inlet and outlet, do.

In addition, since the water is supplied through the passage 22 having a large cross-sectional area in the state where the line valve is opened, there is an advantage that sufficient supply can be performed even if the valve is not in the fully opened state.

BRIEF DESCRIPTION OF THE DRAWINGS FIG.
2 is an exploded perspective view of the present invention
Figure 3 is a cross-
Figure 4 is an open state cross-
5 is a cross-

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The line valve according to the present invention comprises a valve body 10 and a valve body 20 as known in the art. The valve body 10 has a water inlet pipe 11 and a water outlet pipe 12 formed on both sides thereof, And a water inlet 11 'and a water outlet 12', which are connected to the water inlet pipe 11 and the water outlet pipe 12, are formed in the operation hole 13 in which the valve body 20 is inserted.

Particularly, the opening / closing part 21 of the valve rotating body 20 of the present invention has a diameter slightly smaller than the inner diameter of the action hole 13 of the valve body 10 so that it can be inserted smoothly during assembly. In the opening and closing part 21 of the valve rotating body 20, a passage 22 for allowing water to pass therethrough is constituted by an ∩-shaped opening with its lower part, so that both lower ends of the passage 22 have a slight elasticity .

And a circular groove 23 having a diameter slightly larger than the inlet port 11 'and the outlet port 12' are formed in the direction perpendicular to the direction in which the passage 22 of the opening and closing part 21 is formed, A sealing ring 24 is formed.

A ring groove 23 'for preventing the water from leaking upward is formed in the upper portion of the opening and closing part 21 of the valve rotating body 20 so that the sealing ring 24' .

The operation of the present invention having such a structure will be described in accordance with the assembling method and the order of use.

The sealing rings 24 and 24 'are respectively inserted into the ring grooves 23 and 23 formed in the opening and closing part 32 of the valve rotating body 20 and the opening and closing parts 21 is inserted into the action hole 13 of the valve body 10. Even if the sealing ring 23 is inserted into the side surface of the opening and closing part 21 in this process, the diameter of the opening and closing part 21 is smaller than the diameter of the action hole 13, This makes it very convenient and quick to assemble. When the opening and closing part 21 is fully inserted into the action hole 13, the hook 25 of the valve rotating body 20 is caught by the upper stopping jaw 14 of the valve body 10 to complete the assembly.

The sealing ring 24 'on the upper part of the opening and closing part 21 is compressed between the operation hole 13 and the lower part of the water inlet 11' The sealing ring 24 on the side faces the inlet 11 'formed on the side of the action hole 13 of the valve body 10 in a state where the valve body 20 is closed, And the outflow port 12 ', respectively, to maintain the airtightness, and the passage 22 is positioned in the direction perpendicular thereto, and the water does not pass through.

When the valve rotating body 20 is rotated in such a locked state to make an open state, the sealing ring 24 on the side is moved out of the inlet port 11 'and the outlet port 12' And the passage 22 connects the inlet 11 'and the outlet 12' so that the water flows into the inlet 11 ', passes through the passage 22 and flows out through the outlet 12' And water is supplied.

When the water supply is stopped, the valve rotating body 20 is rotated again to switch to the first locked state.

According to the line valve of the present invention, since the sealing ring 24 on the side of the opening and closing part 21 completely blocks the inlet port 11 'and the outlet port 12' during the locking operation, the water flows into the inlet port 11 ' The supply interruption is performed because the outlet 12 'is also completely enclosed by the sealing ring 24 even if there is leakage at the inlet 11'. When the valve rotating body 20 is rotated to supply the water, a slight water pressure acts on the opening / closing part 21 from the moment when one of the sealing rings 24 slightly opens the inlet 11 'or the outlet 12' The closing operation of the line valve is performed by the sealing ring 24 at the time of closing the inlet port 11 'and the outlet port 11', even when the line valve is shut down, 12 '), it is necessary to apply a small amount of pressure even when the locking operation is performed.

In the state in which the line valve is opened, water is supplied through the passage 22 having a large sectional area, so that sufficient supply can be achieved even if the valve is not in the fully opened state.

The sealing ring 24 'on the upper part of the opening / closing part maintains the function of preventing the water from leaking to the upper part while repeating only the rotating action by the action of the opening / closing part 21. [

10:
11: Receiving pipe
11 ': inlet
12: Water pipe
12 ': Outlet
13: Working hole
14:
20: Valve rotating body
21:
22: passage
23, 23 ': Ring home
24, 24 ': sealing ring

Claims

The valve body 10 has a water inlet pipe 11 and a water outlet pipe 12 on both sides thereof and a valve rotating body 20 is inserted in the center thereof. A line valve in which an action hole 13 is formed and a water inlet 11 'and a water outlet 12', which are connected to the water inlet pipe 11 and the water outlet pipe 12, are formed,
The opening and closing part 21 of the valve rotating body 20 is formed to have a diameter slightly smaller than the inner diameter of the action hole 13 of the valve body 10,
A ring groove 23 having a diameter slightly larger than the inlet port 11 'and the outlet port 12' is formed in the direction perpendicular to the direction in which the passage 22 of the opening and closing part 21 is formed, Each forming a sealing ring 24,
A ring groove 23 'for preventing the water from leaking upward is formed on the upper portion of the opening and closing part 21 of the valve rotating body 20 so as to seal the sealing ring 24' Wherein the line valve is inserted.

The method according to claim 1,
Wherein the passages (22) are formed in a shape of ∩ in which a lower portion is opened, so that the lower ends of the passages (22) have a slight elasticity.