KR20020085494A - Valve for eliminating air in the water service pipe rapidly - Google Patents

Abstract

The present invention relates to a rapid air valve mounted to the water supply pipe for discharging the air in the water supply pipe to the outside.

In the fast air valve according to the present invention, the lower flange 15 of the main body 13 and the upper flange 33 of the gate valve 31 are fastened by the bolt 21 and the nut 23, and the main body 13 The O-ring 25 is mounted between the lower flange 15 of the upper flange 33 and the upper flange 33 of the gate valve 31, and the disk device at the lower end of the spindle 61 vertically penetrating the center of the main body 13 The 71 is mounted, the cover member 91 is mounted on the upper end of the main body 13 by the fastening means 101, and the floating ball 110 is disposed inside the main body 13.

Description

Valve for eliminating air in the water service pipe rapidly}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rapid air valve mounted on a water supply pipe for discharging air in the water supply pipe to the outside, and more particularly, to a rapid air valve integrally formed with a gate valve.

In general, when air is filled in the water pipe, the water flow is disturbed. Therefore, a rapid air valve for discharging air from the water pipe is installed in the water pipe.

In the conventional case, as shown in FIG. 1, the rapid air valve 3 is mounted to a gate valve 7 that controls the flow of fluid in the water pipe 5 to discharge air in the water pipe 5.

However, when the rapid air valve 3 is separately manufactured and installed in the gate valve 7, as described above, there is a problem in that a large production cost is required.

It is therefore an object of the present invention to provide an inexpensive rapid air valve integrally formed with the gate valve.

One example of the rapid air valve according to the present invention for achieving the above object is a lower flange of the main body and the upper flange of the gate valve is fastened by bolts and nuts, between the lower flange of the main body and the upper flange of the gate valve O-ring is mounted, the disk device is mounted on the lower end of the spindle vertically penetrating the center of the main body, the cover member is mounted on the upper end of the main body by the fastening means, the floating ball is disposed inside the main body do.

The main body has a lower flange formed around the lower surface, a through-hole is formed in the lower surface, a beetle is formed on the upper portion, characterized in that the fastening groove for fastening the stud bolt of the fastening means is formed in the beetle. .

The gate valve has an upper flange coupled to the lower flange of the main body at the upper side, a flange fastened to the water supply pipe at the lower side, and a screen is provided at the lower side to block foreign substances entering the inlet from the water supply pipe. And, the disk device is mounted on the upper end of the inlet, the stopper protrudes from the side to the inside to limit the upper motion of the disk device, characterized in that the drain device is mounted on the drain port formed on the right side.

The drain device is characterized in that the ball valve mounted on the drain port is sealed by the packing, the pressure gauge can be mounted to the ball valve can measure the internal pressure.

The disc member may be fixed to the disc seat and the disc guide on the bottom surface of the disc by the nut is fastened to the bolt portion after the disc seat and the disc guide are inserted in the bolt portion formed in the center of the bottom surface of the disc.

The cover member has the first cover, the second cover and the third cover is laminated in order and then the nut is fastened to the stud bolt, the first cover, the second cover and the third cover is fixed, and the upper part of the nut 4 After the cover is mounted, it is fixed to the stud bolt by another nut.

The first cover has a hole formed in the center to fit the choke portion of the floating ball, the second cover is formed when the hole formed in the center is smaller than the hole of the first cover to float when floating ball on the lower surface The choke portion of the ball is brought into close contact, and the third cover is characterized in that a plurality of small-diameter holes are formed around the hollow through which the spindle passes.

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

1 is a schematic view showing a state in which a conventional rapid air valve is mounted on the water pipe

Figure 2 is a front sectional view of a rapid air valve according to the present invention showing a state sealed by the disk device

Figure 3 is a front sectional view of a rapid air valve according to the present invention showing the state opened by the disk device;

* Description of Signs of Main Parts of Drawings *

13: main body 31: gate valve

61: spindle 71: disk device

91: cover member 101; Fastening means

110: Floating Ball

Referring to FIG. 2, in the rapid air valve 11 according to the present invention, the lower flange 15 of the main body 13 and the upper flange 33 of the gate valve 31 are connected to the bolt 21 and the nut 23. The O-ring 25 is mounted between the lower flange 15 of the main body 13 and the upper flange 33 of the gate valve 31, and the center of the main body 13 (as seen from the drawing). Disk device 71 is mounted on the lower end of the spindle 61 penetrating vertically), the cover member 91 is mounted on the upper end of the main body 13 by the fastening means 101, the body 13 inside A floating ball 110 is disposed in the.

Since the rapid air valve 11 according to the present invention is symmetrical with respect to the center line (single dashed line) except for the drain device 40, the same reference numerals are given to only one of the same parts for the sake of brevity.

The main body 13 has a lower flange 15 formed around the lower surface 14, a through hole 16 is formed on the lower surface 14, and a gushing portion 17 is formed on the upper side, and the toothing A fastening groove 18 to which the stud bolts 103 of the fastening means 101 are fastened to the portion 17 is formed.

The gate valve 31 has an upper flange 33 coupled to the lower flange 15 of the main body 13 on the upper side, and a flange 34 fastened to a water pipe (not shown) on the lower side. It is formed, the screen 36 is provided on the lower surface to block foreign substances flowing into the inlet 35 from the water supply pipe, the disk device 71 is seated on the top of the inlet 35, the stopper from the side to the inside 37 protrudes to limit the upper motion of the disk device 71, and the drain device 40 is mounted to the drain hole 38 formed on the right side (when the drawing is seen).

The drain device 40 is a ball valve 42 mounted on the drain 38, the surroundings are sealed by the packing 41, the pressure gauge 43 (marked by a box) is mounted on the ball valve 42 It can measure internal pressure.

The spindle 61 is fastened to the top of the rotary cap 63 by a bolt fastening method, the O-ring 65 is mounted to the portion in contact with the cover member 91, the expansion portion 67 formed at the bottom It is attached to the mounting portion 73 of the disk device 71.

The disk member 71 has the disk seat 77 and the disk guide 78 in turn inserted into the bolt 76 formed in the center of the lower surface of the disk 75, the nut 79 is fastened to the bolt 79 Thus, the lower surface of the disk 75 is fixed to the disk sheet 77 and the disk guide 78.

The cover member 91 is the first cover 92, the second cover 95 and the third cover 97 are sequentially stacked in order that the nut 100 is fastened to the stud bolt 103 to the first The cover 92, the second cover 95, and the third cover 97 are fixed, and the fourth cover 105 is mounted on the nut 100, and then the stud bolt 103 is fixed by the nut 107. Is fixed to.

The first cover 92 has a hole 93 formed in the center such that the choke portion 111 of the floating ball 110 is fitted.

The second cover 95 has a hole 96 formed at the center thereof to be smaller than the hole 93 of the first cover 92 so that the floating ball 110 is formed in the hole 93 of the first cover 992. When fitted, the choke 111 of the floating ball 110 is in close contact with the lower surface.

The third cover 97 has a plurality of small-diameter holes 99 formed around the hollow 98 through which the spindle 61 passes.

Fastening means 101 for fixing the cover is composed of a stud bolt 103 and nuts (100, 102).

The rapid air valve according to the present invention configured as described above operates as follows.

After the water supply pipe work, as shown in Figure 3 by operating the rotary cap 63 to separate the disk device 71 from the upper end of the inlet 35 of the gate valve 31, the air in the water supply pipe A gap 39 between the device 71 and the inlet 35 of the gate valve 31, a through hole 16 formed in the lower surface 14 of the body 13, and a hole 93 of the first cover 92. , Through the hole 93 of the second cover 95 and the small diameter hole 99 of the third cover 97. Thereafter, the fluid flowing along the water supply pipe flows in, causing the floating ball 110 to float, so that the choke portion 111 is fitted into the hole 93 of the first cover 92 and the second cover 92 The choke portion 111 is in close contact with the bottom so that the fluid does not leak to the outside. At this time, foreign matter does not flow into the interior by the screen 36. When the pressure gauge 43 is mounted on the ball valve 42 of the drain device 40, the internal pressure may be measured.

In addition, in order to confirm the failure or abnormality of the rapid air valve 11, the disk device 71 is in close contact with the upper end of the inlet 35 of the gate valve 31 to block the inflow of the fluid, the drain device 40 After discharging the fluid in the interior, you can check the interior of the device.

As described above, the rapid air valve according to the present invention is formed integrally with the gate valve to reduce the manufacturing cost, to prevent the inflow of foreign substances by the screen, and to install the pressure gauge can check the internal pressure It has an effect.

Claims (7)

The lower flange 15 of the main body 13 and the upper flange 33 of the gate valve 31 are fastened by bolts 21 and nuts 23, and the lower flange 15 of the main body 13 and the gate 23. The O-ring 25 is mounted between the upper flange 33 of the valve 31, and the disk unit 71 is mounted at the lower end of the spindle 61 vertically penetrating the center of the main body 13. The cover member 91 is mounted on the upper end of the cover member 91 by the fastening means 101, and the floating air valve 110 is disposed inside the main body 13. The method of claim 1, The main body 13 has a lower flange 15 formed around the lower surface 14, a through hole 16 is formed on the lower surface 14, and a gushing portion 17 is formed on the upper side, and the toothing Rapid air valve, characterized in that the fastening groove (18) to which the stud bolt 103 of the fastening means 101 is fastened to the portion (17). The method of claim 1, The gate valve 31 has an upper flange 33 coupled to the lower flange 15 of the main body 13 at the upper side, and a flange 34 fastened to the water pipe at the lower side thereof, and has a lower surface. The screen 36 is provided to block foreign substances flowing into the inlet 35 from the water supply pipe, and the disk device 71 is seated on the top of the inlet 35, and the stopper 37 protrudes from the side to the inside. To limit the upper motion of the disk device 71, the rapid air valve, characterized in that the drain device 40 is mounted to the drain hole (38) formed on the right side. The method of claim 3, wherein The drain device 40 has a ball valve 42 mounted on the drain hole 38 to be sealed by a packing 41, and a pressure gauge 43 may be mounted on the ball valve 42 to increase internal pressure. Rapid air valve, characterized in that the measurement. The method of claim 1, The disk member 71 has the disk seat 77 and the disk guide 78 in turn inserted into the bolt 76 formed in the center of the lower surface of the disk 75, the nut 79 is fastened to the bolt 79 Fast air valve, characterized in that fixed to the disk seat 77 and the disk guide 78 on the lower surface of the disk (75). The method of claim 1, The cover member 91 is the first cover 92, the second cover 95 and the third cover 97 are sequentially stacked in order that the nut 100 is fastened to the stud bolt 103 to the first After the cover 92, the second cover 95, and the third cover 97 are fixed, and the fourth cover 105 is mounted on the nut 100, the stud bolt 103 is formed by the nut 107. Rapid air valve, characterized in that fixed to. The method of claim 6, The first cover 92 has a hole 93 formed in the center such that the choke portion 111 of the floating ball 110 is fitted therein. The second cover 95 has a hole 96 formed at the center thereof to be smaller than the hole 93 of the first cover 92 so that the floating ball 110 is formed in the hole 93 of the first cover 992. When fitted, the choke portion 111 of the floating ball 110 is in close contact with the lower surface, The third cover (97) is a rapid air valve, characterized in that a plurality of small small diameter holes (99) are formed around the hollow (98) through which the spindle (61) passes.