JP6093082B1 - Valve device - Google Patents

Abstract

The valve body is rotated by a driving means to repair a damaged pipe by disabling the openings, and at the end of the construction, the washing pipe is in a state where water in the pipe can be discharged. Provided is a valve device that is easy to use, easy to construct, and easy to maintain and manage by making the device switchable. A valve body 6 having at least two-way openings 2a and 2b communicating with a pipe, a valve body storage chamber 3 and a through hole 4 formed therein, and a connection part connected to the pipe. And a valve body that is rotatably disposed in the valve body storage chamber and has a water channel communicating with the opening and a through hole 8 communicating with the water channel, and a water channel 7 communicating with the through hole are formed therein. And a drive means 11 that is attached to the valve body and rotates the valve body. The drive means rotates the valve body so that the openings are not connected to each other and the openings are connected to each other. It is possible to switch to a state in which water in the pipe can be discharged through the through hole. [Selection] Figure 2

Description

The present invention relates to a valve device.

The air valve is for automatically taking in and out the air accumulated in the water pipeline, and if air accumulates in the water pipeline, it may interfere with the flow of water or white the water, It is necessary to remove air appropriately. As ancillary equipment for piping, there are gate valves, mud valves (drain valves), etc. in addition to air valves. The gate valve is connected to the pipe to open and close the water channel formed in the pipe. When repairing a damaged pipe, it is necessary to close the pipe water channel and repair the pipe by closing the gate valve. is there. In addition, it is necessary to sufficiently wash the pipes at the end of the construction so that the tap water or the like is not contaminated, and must be provided to eliminate silt accumulated in the pipes.

In order to solve the above problems, for example, a gate valve shown in Patent Document 1 and a drain valve shown in Patent Document 2 have been proposed. In the gate valve shown in Patent Document 1, an opening rod is attached to the gate valve. There has been a problem that the opening rod has to be engaged and rotated many times. In addition, the drain valve shown in Patent Document 2 is a separate body from the gate valve, and requires many gate valves and a drainage valve (drain valve) in the piping, which is difficult to work and maintains. There was a problem that management was also difficult.

JP 2014-111972 A Japanese Patent Application Laid-Open No. 08-1000086

The present invention has been made in order to solve the above-mentioned problems. The valve body is rotated by the driving means to repair a damaged pipe by leaving the openings in a non-communication state. To provide a valve device that is easy to use, easy to construct, and easy to maintain and maintain by allowing the valve device to be switched so that the water in the pipe can be discharged from the washing tube .

In order to solve the above problems, the valve device of the present invention has an opening in at least two directions communicating with a pipe, and a valve body storage chamber and a through hole reaching the valve body storage chamber are formed therein. A valve body in which a connection portion connected to the pipe is formed; a valve body rotatably disposed in the valve body storage chamber; the water passage communicating with the opening; and a valve body formed with a through hole communicating with the water passage. consists of a driving means waterway communicating with the through hole formed in the valve body rotates the valve element is attached to the valve body is formed in a internal, rotating the valve body by the driving means In addition, it is possible to switch between a state in which the openings are not in communication and a state in which the openings are in communication and the water in the pipe can be discharged through the through hole of the valve body .
Further, in the valve device of the present invention, the drive means has a water passage communicating with a through hole formed in the valve body and is attached to the through hole of the valve body. It is desirable to rotate.
In the valve device of the present invention , it is desirable that the valve body is formed in a spherical shape, and the through hole and the water channel are formed orthogonally.
In the valve device of the present invention , it is desirable that the drive means is provided with an attachment portion to which a handle for rotating the drive means is detachably attached.

The valve device of the present invention has an opening in at least two directions communicating with a pipe, a valve body storage chamber and a through hole reaching the valve body storage chamber are formed therein, and a connection portion connected to the pipe has Formed in the valve body, formed in the valve body, a valve body rotatably disposed in the valve body storage chamber and formed with a water channel communicating with the opening and a through hole communicating with the water channel. A water channel communicating with the through-hole is formed inside and includes a driving unit that is attached to the valve body and rotates the valve body, and the valve body is rotated by the driving unit, and the gap between the openings is not formed. Since the communication state and the opening are in communication with each other and can be switched to a state in which water in the pipe can be discharged through the through hole of the valve body, the valve body can be switched by the driving means. Rotate to break the opening between the openings. After the pipe has been repaired, when the construction is completed, the valve body is rotated by the driving means, and the pipe is sufficiently washed by switching to a state in which the water in the pipe can be discharged through the through hole of the valve body. that there is an effect that it is possible to ensure there is no contamination of tap water or the like, it is also possible to manufacture the valve device by improving a part of a valve device which is commercially available, it can be easily manufactured effective.
According to a second aspect of the present invention, the drive means has a water passage communicating with a through hole formed in the valve body and is attached to the through hole of the valve body to rotate the valve body. What is to be done has an effect that the structure is simple and the size can be reduced.
According to a third aspect of the present invention, the valve body is formed in a spherical shape, and the through-hole and the water channel are formed orthogonally so that the through-hole is reliably formed by the spherical valve body. There is an effect that it can be blocked and hardly leaks water.
According to a fourth aspect of the present invention, the drive means is provided with an attachment portion to which a handle for rotating the drive means is detachably attached. The handle protruded from the valve device is attached to the drive means. It is possible to switch between a state in which the openings are not connected and a state in which the openings are connected and the water in the pipe can be discharged through the through hole of the valve body. effective.

Schematic of valve device with air valve of the present invention Sectional view of the valve device with air valve Sectional view of the valve body of the valve device with the same air valve as above Sectional view of the valve device with the same air valve with the air valve removed Top view of valve device with air valve

Hereinafter, an embodiment of the present invention will be described in detail with reference to FIGS. 1 to 5. The valve device 1 is provided between pipes H such as water pipes, and has a first opening communicating with the pipe H. Valve body having a portion 2a and a second opening 2b, in which a valve body storage chamber 3 and a through hole 4 reaching the valve body storage chamber 3 are formed, and a connection portion 5 connected to the pipe H is formed 6, a valve body 9 that is rotatably disposed in the valve body storage chamber 3 and has a water channel 7 that communicates with the openings 2 a and 2 b and a through hole 8 that communicates with the water channel 7. A water passage 10 communicating with the water passage 7 is formed inside, and is attached to the through hole 8 of the valve body 9 to rotate the valve body 9. The drive means 11 is detachably connected to the drive means 11. The air valve 12 communicates with the interior of the water channel 10.

The valve body 6 is made of synthetic resin and is divided into two parts, a first valve body 6a and a second valve body 6b. The first valve body 6a has a first opening portion inside the flange portion 13 that forms the circular opening portion 2a having a diameter of 75 millimeters corresponding to the inner diameter (75 millimeters) of the pipe H made of vinyl chloride. A first sealing member 14a made of an elastic material such as waterproof rubber having a diameter larger than 2a (for example, 100 millimeters) is provided, and a first fixture 15a made of an annular synthetic resin Is retained. A second sealing member 14b made of an elastic material such as an annular rubber with which the surface of the valve body 9 on the first opening 2a side is in sliding contact is held by the first fixture 15a. The surface of the valve body 9 on the second opening 2b side is in sliding contact with a fourth sealing material 14d made of an elastic material such as rubber having the same diameter as the second sealing material 14b. The fourth sealant 14d is held by a second fixture 15b made of synthetic resin having the same shape as the first fixture 15a. The second fixture 15b is held by a ring 16 made of a synthetic resin having a substantially U-shaped cross-section with the tip holding the side surface of the valve body 9. Between the second fixture 15b and the ring 16, a third sealing material 14c made of an elastic material such as rubber having the same diameter as the first sealing material 14a is provided. The second valve body 6b is screwed into the opening 6c of the first valve body 6a through a fifth sealing material 14e made of an elastic material such as rubber. A female screw 6d is formed on the inner surface of the opening 6c of the first valve body 6a, and a male screw 6e is formed on the outer surface of the pipe H so as to be screwed to the female screw 6d. It can attach to the piping H, such as detachable.

The valve body storage chamber 3 formed inside the first valve main body 6a is formed with an air reservoir portion 17 in which air is accumulated eccentrically upward, so that the air is easily accumulated. If the air reservoir portion 17 is formed, air easily accumulates in the air reservoir portion 17 and can be separated. Therefore, it is possible to prevent water mixed with air from flowing into the pipe H and prevent water hammer from being caused. There is an effect that the air can be efficiently removed. The upper surfaces of the openings 2a and 2b are tapered so that water flows smoothly, and a tapered portion 18 is formed.

The valve body 9 accommodated in a predetermined position of the valve body storage chamber 3 of the valve body 6 is formed of a synthetic resin in a substantially spherical shape having a diameter of approximately 120 millimeters, and a water passage 7 having a circular cross-sectional shape and a diameter of 75 millimeters is formed. It is formed so as to penetrate through the central part of the valve body 9, and the diameter of the center of the water channel 7 is smaller than the thickness of the valve body 9 in a circular shape in the direction orthogonal to the axial direction of the water channel 7 (for example , 50 mm) through-holes 8 are formed.

A substantially circular center of the valve body 6 is a projecting portion having a circular cross-section projecting in a direction away from the valve body 9 and perpendicular to the axis connecting the first opening 2a and the second opening 2b. 19 is formed coaxially with the through hole 8 of the valve body 9. The projecting portion 19 is formed with a through hole 4 having a circular cross-sectional shape into which the cylindrical portion 20 formed at the tip of the driving means 11 is inserted, coaxially with the through hole 8 of the valve body 9.

The drive means 11 is made of a synthetic resin and is formed in a trumpet shape having a diameter that increases upward, and a cylindrical portion that is inserted into the through hole 4 of the valve body 6 at the central portion where the diameter decreases. 20 is formed coaxially with the through hole 8 of the valve body 9, and the cylindrical portion 20 of the driving means 11 is inserted into the through hole 4 via the sixth sealing material 14f and the seventh sealing material 14g. Yes. An engaging portion 21 that is narrower than the cylindrical portion 20 and engages with the through hole 8 of the valve body 9 is formed at the tip of the cylindrical portion 20. When the cross-sectional shape of the engaging portion 21 is the same as that of the through-hole 8, the engaging portion 21 is fixed to the valve body 9 by adhesion, and in the case of a polygonal shape, the engaging portion 21 may be inserted. By forming the engaging portion 21 at the tip of the cylindrical portion 20 to be narrower than the cylindrical portion 20, it is possible to reduce the hole opened in the valve body 9 and to make it compact. A mounting portion 23 to which a handle 22 for rotating the driving means 11 is detachably attached is formed at the tip of the driving means 11 having a large diameter.

The driving means 11 is firmly attached to the protruding portion 19 of the valve body 6 by a fixing screw 24 that is screwed onto the outer peripheral body of the protruding portion 19 of the valve body 6. A coupler one-touch joint 27 formed with a male screw 26 to be screwed into a female screw 25 formed on the inner surface of the cylindrical portion 20 of the driving means 11 is attached coaxially with the through hole 8 of the valve body 9.

The air valve 12 includes an attachment portion 28 that is detachably attached to the coupler one-touch joint 27, a water storage portion 29 made of a synthetic resin that stores water, a float 30 made of a synthetic resin that floats on water, and a valve seat 31. Normally, the water storage section is filled with water. The valve seat 31 and the float 30 are sealed by being in close contact with each other. When air accumulates to some extent in the air valve 12, the float 30 moves down to the water surface position while floating on the water, so that the contact between the valve seat 31 and the float 30 is released and the air flows out to the outside. When the water surface rises due to the outflow of air, the float 30 also rises, and the valve seat 31 and the float 30 are brought into close contact with each other so that the airtightness is maintained again. When the pipe H is damaged, air enters the pipe H from the damaged portion, the contact between the valve seat 31 and the float 31 is released, and the air flows out to the outside. For example, a notification means such as a balloon or a bell is provided. Can detect the breakage of the pipe H. The air valve 12 is proposed and sold in various ways such as for water supply and sewerage, but can be used. The attachment portion 28 of the air valve 12 is formed in a concave groove shape, and the engagement means 32 provided on the coupler one-touch joint 27 engages or disengages from the attachment portion 28 of the air valve 12. Is detachably attached to the coupler one-touch joint 27. The engaging means 32 is integrally formed so as to be urged inward via a slit to a coupler detachable lever 33 provided on the outer periphery of the coupler one-touch joint 27 so as to be movable up and down. Is adapted to engage with the mounting portion 28 of the air valve 12. The coupler detaching lever 33 is formed in a cup shape from a synthetic resin material, and is provided in a state of being biased upward by the spring body 34. In the embodiment, the coupler one-touch joint 27 is used. However, the driving means 11 and the air valve 12 may be connected via a screw, and the air valve 12 may be manually attached and detached.

The handle 22 includes a hollow cylindrical portion 35, an engaging portion 36 that is formed at the tip of the cylindrical portion 35 and engages with the mounting portion 23 of the driving means 11, and a shaft portion that is accommodated in the cylindrical portion 35 so as to be movable up and down 37, an air valve attaching / detaching lever portion 38 that is formed at the tip of the shaft portion 37 and that is provided on the coupler one-touch joint 27 to press the coupler attaching / detaching lever 33 to attach / detach the air valve 12, and an inner surface of the air valve attaching / detaching lever portion 38 It is composed of a magnet 39 provided at a position and a gripping part 40 formed at the upper end of the cylindrical part 35. The engaging part 36 is engaged with the attaching part 23 of the driving means 11 so that the handle 22 is rotated 90 degrees. By rotating, the valve body 9 is rotated 90 degrees to close between the openings 2a and 2b. For example, even if the air valve 12 is removed, water spouts from the position where the air valve 12 is removed by the coupler one-touch joint 27. Can prevent Than is. Thereafter, by pushing down the shaft portion 37, the air valve 12 is pushed upward by the spring body provided in the coupler one-touch joint 27, and the air valve 12 is released from the coupler one-touch joint 27. The magnetic member 41 of 12 is adsorbed and the air valve 12 is taken out of the valve-installed cylindrical rod M, and then the magnet 39 is adsorbed to the magnetic member 41 of the new air valve 12 for repairing to repair the new air valve 12 for repairing. The air valve 12 can be attached to the coupler one-touch joint 27 by one-touch by arranging the predetermined position and pressing the shaft portion 37 against the coupler one-touch joint 27 side. K is a concrete bottom plate.

The coupler one-touch joint 27 allows the air valve 12 to be easily attached to and detached from the driving means 11. When the air valve 12 is attached to the driving means 11, the water channel 10 of the driving means 11 and the air valve 12 are communicated to each other. When the air valve 12 is removed, the water channel 10 of the driving means 11 is closed. Various couplers, for example, are sold by Nitto Koki Co., Ltd. Is something that can be done.

The valve device includes a valve device called a ball valve in which a ball-shaped valve body is rotatably disposed in the valve body, and a columnar valve body is rotatably disposed in the valve body. A valve device called a cylindrical valve is known. This valve device opens and closes a valve by rotating a valve body rotatably disposed in a valve body having openings in at least two directions, and an air valve is indirectly connected to the valve body. It is attachable, and claim 1 includes these valve devices.

DESCRIPTION OF SYMBOLS 1 Valve apparatus 2a with an air valve 1st opening part 2b 2nd opening part 3 Valve body storage chamber 4 Through-hole 5 Connection part 6 Valve body 7 Water channel 8 Through-hole 9 Valve body 10 Water channel 11 Driving means 12 Air valve

Claims (4)

A valve body having an opening in at least two directions communicating with the pipe, a valve body storage chamber and a through hole reaching the valve body storage chamber formed therein, and a connection portion connected to the pipe; A valve body that is rotatably disposed in the valve body storage chamber and communicates with the opening, a valve body that is formed with a through hole that communicates with the water path, and a water channel that communicates with the through hole formed in the valve body. A driving means which is formed inside and is attached to the valve body and rotates the valve body, the valve body is rotated by the driving means, and the opening is in a non-communication state and the opening A valve device characterized in that it can be switched to a state in which water in the pipe can be discharged through the through hole of the valve body . The said drive means is a water channel connected to the through-hole formed in the said valve body, and is attached to the through-hole of the said valve body, and rotates the said valve body. of the valve device. The valve device according to claim 1 or 2, wherein the valve body is formed in a spherical shape, and the through hole and the water channel are formed orthogonal to each other. The valve device according to any one of claims 1 to 3, wherein the drive means is provided with an attachment portion to which a handle for rotating the drive means is detachably attached.