KR20120081277A - Apparatus for water supply pipes - Google Patents

Abstract

PURPOSE: An apparatus for water supply pipes is provided to improve workability. CONSTITUTION: An apparatus for water supply pipes comprises an inflow pipe(10), a discharge pipe(20), and an intermediate valve(30). The intermediate valve comprises a lower assembly pipe(31), a central assembly pipe(32), an upper valve body, a rotary body(34), a handle(35), and a lifting ball(36). The lower assembly pipe and central assembly pipe comprises a lower inside end projection(31a) and a central inside end projection(32a) respectively. The upper valve body comprises an upper inside screw groove(33a) and an upward through hole(33b). The rotary body comprises an outside screw thread(34b). The handle is fixed in the rotary body. The lifting ball controls the flow in the inflow pipe mechanically.

Description

Water plumbing device {APPARATUS FOR WATER SUPPLY PIPES}

The present invention relates to a water piping device, and more particularly, to a water piping device that can thoroughly prevent the discharge and waste of running water at the time of failure of the meter, and also during replacement and repair of the intermediate valve itself.

In general, the water supply pipe device is provided with most intermediate valve for repair and replacement in the event of any one pipe failure while allowing the inflow and discharge of running water.

1 is a perspective view showing a water piping device according to the prior art, Figure 2 is a cross-sectional view showing a water piping device according to the prior art.

The water pipe system according to the prior art is provided with an intermediate valve 30 between the inlet pipe 10 and the discharge pipe 20, the discharge pipe is often equipped with a meter (90), for example.

That is, it is designed to be supplied to each home or office while the flow of water through the inlet pipe 10 flows to the discharge pipe 20 via the intermediate valve 30 and the flow rate is measured through the meter (90).

In this case, the intermediate valve 30 is installed between the inlet pipe 10 and the discharge pipe 20 in case the meter 90 malfunctions or breaks down. For example, when the meter 90 is to be replaced, the intermediate valve ( As shown in 30, the inlet pipe 10 is sealed to repair and replace the meter 90 in a state in which the flowing water is not ejected, and the intermediate valve 30 is opened again to allow the flowing water to flow.

By the way, the water piping device according to the prior art is mainly made of a one-sided design to allow the intermediate valve 30 to seal the inlet pipe 10 in consideration of only the failure of the device, such as meter 90, the intermediate valve 30 If a problem occurs in itself, the flow of water discharged from the inlet pipe 10 cannot be sealed, and the flow of water discharged makes the intermediate valve 30 extremely difficult to repair and replace, and also has the disadvantage of causing wastewater. have.

That is, as shown in Figure 2, the intermediate valve 30 is coupled between the inlet pipe 10 and the discharge pipe 20, the packing (P) mounted on the lower end of the shaft 34a according to the forward and reverse rotation of the handle 35 ) Is configured to open and close the inlet pipe 10, the handle 35 can be closed by operating the handle 35 when repairing and replacing the meter 90, but the intermediate valve 30 itself is broken In this case, when the intermediate valve 30 is disassembled from the inflow pipe 10, the discharge of the flowing water may not be prevented, and the difficulty of replacing the intermediate valve 30 may be caused, as well as a waste of running water. [Description 33b indicates an upward through hole drilled at the upper end of the intermediate valve 30].

An object of the present invention is to provide a water piping device that can greatly improve the ease of repair and replacement work while preventing the waste of resources by thoroughly preventing the discharge of running water during the replacement and repair of the intermediate valve itself as well as the breakdown of the meter. have.

An object of the present invention is to rotate the handle in the reverse direction of the failure of the intermediate valve so that the shaft is raised by the rotation of the external thread that is engaged to the upper inner thread groove so that the lifting ball rises up by the flow pressure to be in close contact with the middle inner step In the present invention, there is provided a water piping device that can be more easily repaired and replaced by separating the upper valve body from the central assembly pipe and further disassembling the discharge pipe.

An object of the present invention is further provided with an extrusion spring that elastically lifts the lifting ball while being supported on the lower inner step so that the flow of water can be blocked more closely by the elasticity of the extrusion spring even if the flow pressure is weak or absent. To provide a water piping device.

According to an aspect of the present invention,

In the water supply pipe apparatus including an inlet pipe and a discharge pipe disposed in a direction crossing each other to inflow and discharge the running water, and an intermediate valve for opening and closing the inlet pipe and the discharge pipe in communication with,

The intermediate valve

A lower assembly tube coupled to the inlet tube and having a lower inner step;

A central assembly pipe coupled to the lower assembly pipe and having a central internal step;

An upper valve body coupled to the central assembly pipe and simultaneously communicating with the discharge pipe and having an upper internal thread groove and an upward through hole;

Rotating body having a shaft that is engaged with the upper inner thread groove while being exposed upward through the upper through hole and extending downward toward the central assembly pipe,

A handle fixed to the rotating body exposed upwardly through the upward through hole;

While flowing in the lower assembly pipe and the central assembly pipe while descending toward the lower inner step to allow the flow of water flowing from the inlet pipe to the discharge pipe while the flow of the flow of water when contacted with the middle inner step Including the lifting ball to block the to the basic features of the technical configuration.

The present invention has the effect of greatly improving the ease of repair and replacement operations while preventing the waste of resources by thoroughly preventing the discharge of running water at the time of failure of the meter and the replacement and repair of the intermediate valve itself.

In the present invention, the handle is rotated forward so that the shaft is lowered by the rotation of the external thread that is engaged with the upper inner thread groove, and pushes the lifting ball downward to be spaced apart from the middle inner step so that the inflow water flows in through the inlet pipe. It is effective to flow to the discharge pipe.

The present invention has the effect of shielding the flow of flowing water so that the lifting ball is in close contact with the central inner step when replacing and repairing the meter.

The present invention is a state in which the shaft is raised by the rotation of the external screw thread engaged to the upper inner thread groove by rotating the handle in the case of failure of the intermediate valve so that the lifting ball is raised up by the flow pressure to be in close contact with the middle inner step (flow water In the state that the flow is blocked), the upper valve body is separated from the central assembly pipe, and further, after disassembling the discharge pipe, the intermediate valve can be easily repaired and replaced.

According to the present invention, when the rotating body is rotated forward by the operation of the handle, the lifting ball is spaced apart from the central inner step depending on the lowering of the shaft, whereas when the rotating body is reversely rotated, the lifting ball moves up the shaft and flows into the inflow pipe. By contacting the inner inner step depending on the pressure, through the flow of water and shut off, it is easier to replace and repair the intermediate valve, there is an effect that can prevent the waste of water.

The present invention further includes an extrusion spring that elastically lifts the lifting ball while being supported on the lower inner step, so that the flow of water can be blocked more closely by the elasticity of the extrusion spring even if the flow pressure is weak or absent. have.

The present invention is dependent on the lowering of the shaft when the lifting ball is lowered to allow the flow of water flowing from the inlet pipe to the discharge pipe while the projections projecting toward the inner circumference of the central assembly pipe in particular to maintain a balance during the lifting of the lifting ball By giving it has the effect of enabling a more smooth flow of water.

The present invention has the effect of enabling the shielding of the flowing water more closely provided with an O-ring that comes in close contact with the central inner step when the lifting ball is raised while being fitted to the outer periphery of the lifting ball.

1 is a perspective view showing a water supply pipe according to the prior art.
2 is a cross-sectional view showing a water supply piping device according to the prior art.
3 is a perspective view showing a water piping device according to the present invention.
4 is an exploded perspective view showing a water supply piping device according to the present invention.
5 is a cross-sectional view showing a water piping device according to the present invention.
6 is an enlarged sectional view of a main portion showing a water supply pipe device according to the present invention;

Preferred embodiments of the water piping device according to the present invention will be described with reference to the drawings, there may be a plurality of embodiments, through which the objects, features and advantages of the present invention can be better understood. Will be.

3 is a perspective view showing the water supply pipe according to the present invention, Figure 4 is an exploded perspective view showing a water supply pipe device according to the present invention.

3 and 4, the water supply apparatus according to the present invention includes an inlet pipe 10 and a discharge pipe 20 arranged in a direction crossing each other to inflow and discharge the running water, and these inlet pipes ( 10) and the intermediate valve 30 for opening and closing while communicating with the discharge pipe (20).

The flowing water flows through the inlet pipe 10 and is supplied to each home, office, or factory while the flow rate is measured through the discharge pipe 20 according to the opening of the intermediate valve 30, for example, through a meter.

Fig. 5 is a cross-sectional view showing the water pipe system according to the present invention, and Fig. 6 is an enlarged cross-sectional view of the main portion showing the water pipe system according to the present invention.

The intermediate valve 30 is coupled to the inlet pipe 10 as shown in FIGS. 3 to 6 and has a lower assembly pipe 31 having a lower inner step 31a, and a lower assembly pipe 31, A central assembly pipe 32 having an inner step 32a and an upper part having an upper internal screw groove 33a and an upper through hole 33b that are coupled to the central assembly pipe 32 and communicate with the discharge pipe 20 at the same time. The valve body 33 and the external thread 34b engaged with the upper internal thread groove 33a are exposed upward through the upper through hole 33b and downward toward the central assembly pipe 32. A rotating body 34 having a shaft 34a extending to the upper surface, a handle 35 fixed to the rotating body 34 exposed upward through an upper through hole 33b, and a lower assembly pipe 31; And when the lower ascends in the lower inner step (31a) while being raised in the interior of the central assembly pipe (32) discharges the water flowing from the inlet pipe (10) to the discharge pipe (20) On the other hand to allow to flow when the central contact with the stepped interior (32a) includes a lift ball 36 to block the flow of the running water.

The water piping device according to the present invention, as well as the failure of the meter, and at the time of replacement and repair of the intermediate valve 30 itself, the flow of water from the inlet pipe 10 is completely blocked to replace the intermediate valve 30. It is designed not only for ease, but also to prevent waste.

For example, normally, the handle 35 is rotated forward so that the shaft 34a is lowered by the rotation of the external thread 34b engaged with the upper internal thread groove 33a so that the lifting ball 36 is lowered. By pushing out to be spaced apart from the central inner step (32a) to allow the flow of water flows through the inlet pipe 10 flows into the discharge pipe (20), while in the case of failure of the intermediate valve (30) reverse rotation of the handle (35) The shaft 34a is raised by the rotation of the external thread 34b engaged with the upper internal thread groove 33a so that the lifting ball 36 comes up by the flow pressure to be in close contact with the middle internal step 32a. The upper valve body 33 is separated from the central assembly pipe 32 in the state (a state in which the flow of the water is blocked), and further, the discharge pipe 20 is disassembled so that it can be easily repaired and replaced. Is blocked by the close contact of the lifting ball 36 and the middle inner step Therefore, not only can the replacement of the intermediate valve 30 more easily, but also waste of running water can be completely blocked. The same is true when the meter breaks down].

 That is, the lifting ball 36 is spaced apart from the central inner step 32a depending on the lowering of the shaft 34a when the rotating body 34 is rotated forward by the operation of the handle 35 while the rotating body 34 Is reversely rotated, the shaft 34a rises and depends on the flow pressure of the inlet pipe 10 so as to contact the central internal step 32a, and allow the flow of water to pass and shut off, thereby replacing and repairing the intermediate valve 30. Not only will it make it easier, but it will also be able to prevent waste.

At this time, further comprising an extrusion spring (37) for elastically raising the lifting ball (36) while being supported by the lower inner step (31a), even if the flow pressure is weak or no flow of the flow of water by the elasticity of the extrusion spring (37) Of course it can be blocked more closely.

And, the elevating ball (36) is dependent on the lowering of the shaft (34a) when it is lowered, the central assembly pipe (32) to maintain the balance during the lift while allowing the flowing water flowing from the inlet pipe (10) to the discharge pipe (20) It is possible to have a projection (36a) protruding toward the inner circumference of the).

Preferably, the O-ring (R1) is fitted to the outer periphery of the elevating ball (36) when the elevating ball (36) is raised in close contact with the central inner step (32a) can be made more tightly shielded Of course you can.

Meanwhile, in the present invention, the inlet pipe 10, the lower assembly pipe 31, the middle assembly pipe 32, the lifting ball 36, the upper valve body 33, and the discharge pipe 20 may be screwed together. O-rings (R2, R3, R4) can be additionally interposed between them, as necessary, to prevent leakage of running water.

In the present invention, the name is called a water supply piping device, but may be applied to a pipe for delivering oil or other fluid, and such a pipe shall fall within the scope of the claims of the present invention.

The present invention can be utilized in the industrial field of water piping device for opening and closing the flow of running water.

10: inlet pipe 20: discharge pipe
30: intermediate valve 31: lower assembly pipe
31a: lower inner step 32: central assembly pipe
32a: middle inner step 33: upper valve body
33a: Upper internal thread groove 33b: Upper through hole
34: rotating body 34a: shaft
34b: external thread 35: handle
36: lifting ball 36a: protrusion
37: Extrusion spring R1, R2, R3, R4: O-ring
90 meter

Claims (5)

It includes an inlet pipe 10 and the discharge pipe 20 disposed in the direction crossing each other to inflow and discharge the flow of water, and the intermediate valve 30 for opening and closing while communicating the inlet pipe 10 and the discharge pipe 20 In the water supply piping device,
The intermediate valve 30
A lower assembly pipe 31 coupled to the inlet pipe 10 and having a lower inner step 31a;
A central assembly pipe 32 coupled to the lower assembly pipe 31 and having a central internal step 32a;
An upper valve body 33 coupled to the central assembly pipe 32 and in communication with the discharge pipe 20 and having an upper internal thread groove 33a and an upward through hole 33b;
A shaft extending upward toward the central assembly pipe 32 while being exposed upward through the upward through hole 33b while having an external thread 34b engaged with the upper internal screw groove 33a. A rotating body 34 having a 34a,
A handle 35 fixed to the rotating body 34 exposed upward through the upper through hole 33b;
As the lower assembly pipe 31 and the lower assembly pipe 32 are raised and lowered toward the lower inner step 31a, the flowing water flowing from the inlet pipe 10 may flow into the discharge pipe 20. On the other hand so that the water supply pipe, it characterized in that it comprises a lifting ball (36) for blocking the flow of running water when it is in contact with the middle inner step (32a). The method of claim 1,
The lifting ball 36 is spaced apart from the middle inner step 32a depending on the lowering of the shaft 34a when the rotating body 34 is rotated forward by the operation of the handle 35. Water supply system, characterized in that when the whole (34) is reversely rotated and in contact with the central inner step (32a) depending on the flow of the inlet pipe (10) with the rise of the shaft (34a). The method of claim 2,
Water supply apparatus further comprises an extrusion spring (37) for elastically raising the lifting ball (36) while being supported by the lower inner step (31a). The method according to any one of claims 1 to 3,
The lifting ball 36 may be assembled depending on the lowering of the shaft 34a to allow the flowing water flowing from the inflow pipe 10 to the discharge pipe 20 while being lowered while maintaining the balance during the lifting. The water supply piping device which has the protrusion 36a which protrudes toward the inner periphery of the pipe 32. The method according to any one of claims 1 to 3,
Water supply device, characterized in that it comprises an O-ring (R1) is fitted to the outer periphery of the elevating ball (36) is in close contact with the central inner step (32a) when the elevating ball (36) is raised.

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