KR20110047343A - A foot valve of having improvement function for opening and closing - Google Patents

Abstract

PURPOSE: A hood valve having improved opening and closing function is provided to maximize sealing effect by increasing the contact area by using a Teflon packing and taper declined part. CONSTITUTION: A hood valve having improved opening and closing function comprises a reducer, a first connecting body(10), a second connection body(20), a strainer body(40), and an opening and closing part(50). The reducer comprises a first flange and a second flange. The first flange is formed on the top of reducer. The second flange is formed on the lower part of reducer. The first connecting body comprises a hollow pipe and a first support. The hollow pipe comprises a third flange, a fourth flange and a first guide bush. The third flange unites with the second flange. The first support supports the first guide bush. The second connection body comprises a supporting plate and a second support stand. The supporting plate comprises a fifth flange, and an opening and closing device and an extendable pipe. The fifth flange unites with the fourth flange. The opening and closing device is formed on the center of the supporting plate. The extendable pipe is extended toward the lower part of the opening and closing device. The extendable pipe comprises the second guide bush.

Description

FOOT VALVE OF HAVING IMPROVEMENT FUNCTION FOR OPENING AND CLOSING}

The present invention relates to a hood valve having an improved open / close function installed at an end of a pipe connected to a pump for controlling a water level in a drainage gallery where water and condensed water leaked into a dam are collected by a channel. The Teflon packing is integrally coupled to the lower part of the disc valve, but the Teflon packing and the opening / closing hole for distributing water are respectively formed with tapered inclined portions to improve the opening and closing function of the structure to maximize the sealing effect according to the increase of the contact area. It relates to a hood valve.

In general, the hood valve is a structure that is installed at the end of the pipe connected to the pump for controlling the water level in the drainage galleries collected by the water and condensed water and the like leaked into the silver dam.

Conventional hood valve is configured to intermittently regulate the water according to the open state of the opening and closing plate hinged therein.

Such a conventional hood valve will be briefly described with reference to the accompanying drawings.

Figure 1 is a cross-sectional view of a dam showing the drainage gallery, Figure 2 is a block diagram showing a conventional hood valve installed in the drainage gallery extracted from FIG.

As shown in Figure 1 and 2, the conventional hood valve (9) is composed of a reduxia (1) connected to the pipe 210, and the sieve body (3) coupled to the reduxia (1). .

Here, the opening and closing plate 5 is hinged to the inside of the sieve body 3, and is opened according to the suction force of the pump 200, and is closed by the filling filled in the pipe.

However, this structure has a problem that when the debris debris in the drainage gallery 310 is introduced, foreign matter is easily caught in the opening and closing plate 5 and the opening 7, causing leakage of the suction pipe 210, thereby lowering the suction power of the pump. Cause.

In addition, the conventional hood valve (9) contains a large amount of lime in the water to be collected, the fine lime is fixedly grown on the opening and closing plate (5) to destroy the sealing.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and one object of the present invention is to integrate Teflon packing which is excellent in non-sticking sealing properties in the lower part of the disk valve in the lower part of the disk valve. To combine, but the Teflon packing and the opening and closing port for circulating water, respectively by providing a tapered inclined to provide an improved hood valve opening and closing function of the structure that can maximize the sealing effect of the increase in the contact area.

The second object of the present invention is to seal by applying Teflon packing excellent in non-sticking sealing, and guides the lifting shaft to be elevated through the first guide bush and the second guide bush more stably. It is configured to open and close the opening and closing, and also to provide a hood valve to improve the opening and closing function to form a stopper on the lifting shaft to make the opening width of the opening and closing constant the amount of water sucked in the drain.

The third object of the present invention is the disk valve and the teflon packing fixed to the lifting shaft through the nut, and easy to disassemble and assembly, and also easy to disassemble and assembly, it is characterized by easy maintenance.

According to a feature of the present invention for achieving the object as described above, the first invention is installed at the end of the pump pump for adjusting the water level in the drainage gallery where water and condensed water is collected into the dam A hood valve having an improved opening / closing function, and an upper portion of the hood valve having a first flange to which a relatively small diameter pipe is connected, and an upper portion of the hood valve to be coupled to a second flange formed at a lower portion of the redness. A first connection body formed of a hollow tube having a third flange formed thereon and a first support bush supporting a first guide bush formed at an inner circumferential center of the hollow tube; and formed below the hollow tube of the first connecting body. A support plate on which a fifth flange is formed so as to be combined with a fourth flange to be formed, an opening and closing hole formed in the center of the support plate, and an extension tube extending below the opening and closing hole; A second connecting body configured as a second support for supporting a second guide bush formed at an inner circumferential center of the extension tube; and a perforated tube having a sixth flange coupled to the fifth flange of the second connecting body; Filter net body consisting of a plurality of holes formed in the lower and outer periphery of the tube; And a lift shaft coupled to the first guide bush of the first connecting body and the second guide bush of the second connecting body to move up and down, and a disk valve coupled to the outer circumference of the lifting shaft to open and close the opening and closing port of the second connecting body. It is made, including; the opening and closing portion is configured, Teflon packing made of a Teflon material having a low coefficient of friction is coupled to the lower portion of the disk valve is characterized in that for sealing the opening and closing.

According to a second invention, in the first invention, the opening and closing device is characterized in that the first taper inclined portion is further formed to increase the inner diameter toward the upward to increase the sealing area with the Teflon packing to improve the sealing effect.

According to a third invention, in the second invention, the Teflon packing is further characterized in that the second tapered inclined portion corresponding to the first tapered inclined portion is further formed.

According to a fourth aspect of the invention, in the first invention, the lifting shaft further includes a stopper for controlling an ascent.

The fifth invention is characterized in that in the fourth invention, the disc valve and the teflon packing are disposed under the stopper and are fixed by a nut fastened to the lifting shaft.

The hood valve with improved opening and closing function according to the present invention is integrally coupled to the Teflon packing in the lower portion of the disk valve, the taper inclination is formed in each of the Teflon packing and the opening and closing port for circulating water to increase the sealing effect according to the increase in the contact area It is possible to maximize, thereby preventing the suction power of the pump to be lowered due to leakage.

In addition, by applying Teflon packing, which has excellent wear resistance and durability, especially non-sticking sealing, it prevents not only the unique function of sealing but also the growth of fine calcite sticking to Teflon packing part, so that it is leaked by foreign matter stuck in the future. It is possible to prevent the lowering of suction power of the pump.

In addition, the lifting shaft is guided through the first guide bush and the second guide bush has a feature that can open and close the opening and closing more stable.

In addition, the stopper is formed on the lifting shaft to make the opening width of the opening and closing constant so that the amount of water sucked in the drainage can be constant.

In addition, it is easy to disassemble and assemble by fixing the disk valve and teflon packing on the lifting shaft through the nut, and also easy to disassemble and easy to maintain the features.

Hereinafter, the hood valve according to the present invention will be described in detail with reference to the accompanying drawings.

Figure 3 is a block diagram showing a state in which the hood valve is improved opening and closing function of the present invention installed in the drainage gallery extracted from Figure 1, Figure 4 shows an improved hood valve according to the present invention extracted from Figure 3 5 is an exploded perspective view of FIG. 4.

As shown in Figures 3 and 5, the present invention is for pumping pumps to adjust the water level in the drainage gallery 310, the water leaked into the dam 300 and the condensed water is collected by the water channel 320 and It relates to a hood valve 100 is improved opening and closing function is installed at the end of the pipe connected.

The hood valve 100 of the present invention has a structure in which the opening and closing part 50 is opened and raised by the suction pressure of the pump, and the pipe 210 is closed by falling down to fill the filled source.

The hood valve 100 is largely composed of five parts, which are the reduxer 10, the first connecting body 20, the second connecting body 30, the sieve body 40, and the opening and closing part 50. It is composed of

The reducer 10 connects pipes having different diameters, and a first flange 11 for connecting with the pipe 210 is formed at an upper portion thereof, and a diameter relatively lower than that of the first flange 11 at a lower portion thereof. The second flange 12 for fastening and coupling with the large first connecting body 20 is formed.

The first connecting body 20 is a hollow tube 23 is formed with a third flange 21 on the upper portion to be coupled to the second flange 12 formed on the lower portion of the red 10, and It consists of a first guide bush 25 disposed in the inner center of the hollow tube (23).

At this time, the first guide bush 25 is supported by the first support 24 radially formed on the inner circumference of the hollow tube 23, the hollow tube 23 is the second connecting body 30 to the bottom The fourth flange 22 is connected to the structure is formed.

The structure of the first connection body 20 is to guide the opening and closing portion 50 to be described later through the first guide bush while allowing the fresh water in the drainage gallery 310 to be distributed.

The second connecting body 30 may include a support plate 31 having a fifth flange 33 formed thereon to be coupled to the fourth flange 22 of the first connecting body 20, and the support plate 31. The opening and closing port 32 is formed in the center, the extension pipe 34 is formed to extend to the lower portion of the opening and closing 32, and the second guide bush (36) disposed in the inner circumferential center of the extension pipe (34).

Here, the second guide bush 36 is a structure supported by the second support 35 formed radially on the inner circumference of the hollow tube 23.

The structure of the second connection body 30 is also to guide the opening and closing portion 50 to be described later through the second guide bush while allowing the fresh water in the drainage gallery 310 to be distributed.

The strainer body 40 is a perforated pipe 41 is formed with a sixth flange 42 is coupled to the fifth flange 33 of the second connecting body 30, and the lower and outer of the perforated pipe 41 It is composed of a plurality of punched holes 411 formed on the periphery.

The strainer body 40 filters foreign matter in the drainage gallery 310 to prevent foreign matter from being caught in the opening and closing hole 32, thereby preventing the suction force of the pump pump 200 from being lowered.

Here, the fourth flange 22 of the first connecting body 20, the fifth flange 33 of the second connecting body 30, and the sixth flange 42 of the sieve body 40 overlap each other. The bolt (B) and the nut (N) is fastened at the same time structure.

The opening and closing part 50 is the lifting shaft 51 which is coupled to the elevating shaft to the first guide bush 25 of the first connecting body 20 and the second guide bush 36 of the second connecting body 30, Is coupled to the outer periphery of the lifting shaft 51 is composed of a disk valve 52 for opening and closing the opening and closing port 32 of the second connecting body (30).

The operation of the opening and closing unit 50 is the lifting shaft 51 is raised by the suction force of the pump pump 200, the pump pump 200 is not operated because the suction force is removed, the filling of the filling in the pipe 210 It is a structure descending by its own weight.

Here, the disk valve 52 of the opening and closing portion 50 has a structure in which the Teflon packing 53 having a low coefficient of friction is coupled to the bottom to seal the opening and closing hole 32.

In this case, the opening and closing hole 32 has a structure in which a first taper inclined portion 321 having a larger inner diameter is further formed so as to increase the adhesion area with the Teflon packing 53 to improve the sealing effect.

In addition, the Teflon packing 53 also has a structure in which a second tapered inclined portion 531 is further formed so that its diameter is narrowed downwardly so as to correspond in shape to the first tapered inclined portion 321.

This structure prevents foreign matter in the drainage gallery 310 from being caught by the respective tapered inclined portions 321 and 531, and also improves durability and wear resistance by using a teflon packing 53 having a low friction number, and deforms the shape by friction or water pressure. In addition, the first tapered inclined portion 321 and the second tapered inclined portion 531 can increase the sealing area by increasing the sealing effect.

In addition, due to the non-sticking (non-sticking sealing) characteristics of the Teflon packing 53, it is possible to prevent the fine lime to adhere to the Teflon packing portion 53 to prevent the leakage of the sealing portion.

On the other hand, the lifting shaft 51 is further formed with a stopper 511 to interrupt the rise, the stopper 511 is in close contact with the lower portion of the first guide bush 25, it is coupled to the lifting shaft 51 The opening widths of the disc valve 52 and the teflon packing 53 are made constant to provide a structure in which water can be uniformly drained.

On the other hand, the disc valve 52 and the teflon packing 53 fixed to the lifting shaft mount the disc valve 52 on the lower part of the stopper 511 and the nut N on the lower part of the teflon packing 53. ) Can be fastened to the lifting shaft 51 so as to be disposed.

Therefore, the disk valve 52 and the Teflon packing 53 can be easily removed from the lifting shaft 51 by unscrewing the nut, and thus, only the worn Teflon packing 53 can be replaced. .

Hereinafter, with reference to the accompanying drawings with respect to the operation relationship of the hood valve improved opening and closing function according to the present invention will be described briefly.

6 and 7 is a cross-sectional view showing the operation of the hood valve improved opening and closing function according to the present invention.

Referring to FIG. 3, referring to FIG. 6, when the amount of fresh water is increased in the drainage gallery 310, the pump pump 200 is operated to drain the drainage water.

When the pump pump 200 is operated, the hood valve 100 connected to the pipe 210 is opened by the suction force of the pump pump 200 to drain the fresh water in the drainage gallery 310 to the outside.

This is possible while opening and closing the opening 32 of the second connecting body 30 while the disk valve 52 and the Teflon packing 53 which are coupled to the lifting shaft 51 which is the opening and closing portion 50 in the hood valve 100 are raised. Do.

That is, when the pump pump 200 is operated, suction force is generated, and this suction force raises the disk valve 52 by the suction force, and the lifting shaft 51 is the first guide bush 25 and the second. Guided along the guide bush 36 guides the opening of the disc valve 52 and teflon packing 53.

On the other hand, the lifting shaft 51 is provided with a stopper 511, the stopper 511 is in close contact with the lower portion of the first guide bush 25 to control the opening height of the lifting shaft and accordingly the disc valve 52 and The degree of opening of the Teflon packing 53 is also interrupted constantly.

The stopper 511 is provided with a structure in which water can be uniformly drained by making the opening width of the disc valve 52 coupled to the lifting shaft 51 constant.

7, the hood valve 100 is closed when the pump pump 200 is stopped after draining.

That is, when the pump pump 200 is stopped, the disk valve 52 is lowered by the hydraulic pressure of the water in the pipe 210, and the teflon coupled to the lower portion of the disk valve 52. Packing 53 is possible while closing the opening and closing 32 of the second connecting body (30).

In this case, a first taper inclined portion 321 is formed in the opening and closing hole 32, and the teflon packing 53, which is in close contact with the opening and closing hole 32, corresponds to the first taper inclining portion 321. Since the second tapered inclined portion 531 is formed, the adhesion area according to the tapered inclined portions 321 and 531 is increased, resulting in an increase in the sealing effect, preventing leakage, and the suction force when the pump pump 200 is operated. The fall can be prevented.

Although the present invention has been described with reference to the accompanying drawings, it will be apparent to those skilled in the art that various obvious modifications are possible without departing from the scope of the invention from this description. Therefore, the scope of the invention should be construed by the claims described to include many such variations.

1 is a cross-sectional view of a dam showing a drainage gallery,

Figure 2 is a configuration diagram showing a state in which the conventional hood valve is installed in the drainage gallery extracted from Figure 1,

3 is a block diagram showing a state in which the hood valve is improved in the opening and closing function of the present invention installed in the drainage gallery extracted from FIG.

Figure 4 is a perspective view showing a hood valve improved open and close function according to the present invention extracted from FIG.

5 is an exploded perspective view of FIG. 4;

6 and 7 is a cross-sectional view showing the operation of the hood valve improved opening and closing function according to the present invention.

<Description of the symbols for the main parts of the drawings>

1: Redusia 3: sieve body 5: opening and closing board

9: hood valve

10: redusia 11: first flange 12: second flange

20: first connecting body 21: third flange 22: fourth flange

23: hollow tube 24; 1st support

25: first guide bush

30: second connecting body 31: support plate 32: opening and closing

321: first taper inclined portion

33: fifth flange 34: extension tube

35: 2nd support base 36: 2nd guide bush

40: sieve body 41: drilling hall 411: drilling hole

42: sixth flange

50: opening and closing part 51: lifting shaft 511: stopper

52: disc valve 53: teflon packing

531: second taper bevel

B: Bolt N: Nut

100: hood valve

200: pump pump 210: piping

300: dam 310: drainage gallery 320: waterway

Claims (5)

In the hood valve which is installed at the end of the pump for pumping water to control the water level in the drainage gallery where the water leaked into the dam and condensed water is collected, A redux in which a first flange is formed to which a pipe having a relatively small diameter is connected; A first tube including a hollow tube having a third flange formed thereon so as to be coupled to a second flange formed under the redusia, and a first support bush supporting a first guide bush formed at an inner circumferential center of the hollow tube; 1 connecting body; A support plate on which a fifth flange is formed so as to be coupled to a fourth flange formed on the lower portion of the hollow tube of the first connection body, an opening and closing hole formed in the center of the support plate, and an extension tube extending downward of the opening and closing hole; A second connecting body formed of a second support for supporting a second guide bush formed at an inner circumferential center of the extension tube; A sieve body consisting of a perforated tube having a sixth flange coupled to a fifth flange of the second connecting body and a plurality of perforated holes formed at the lower and outer periphery of the perforated tube; And A lifting shaft coupled to the first guide bush of the first connecting body and the second guide bush of the second connecting body to be elevated, and a disc valve coupled to the outer circumference of the lifting shaft to open and close the opening and closing of the second connecting body. To be made; including; The opening and closing function of the hood valve is characterized in that the Teflon packing is made of a Teflon material having excellent non-adhesiveness is coupled to the lower portion of the disc valve of the opening and closing portion. The method of claim 1, The opening and closing the hood valve of the opening and closing function is improved, characterized in that the first tapered inclined portion is further formed to increase the inner diameter toward the upward to increase the sealing area with the Teflon packing to improve the sealing effect. 3. The method of claim 2, The teflon packing is a hood valve with improved opening and closing function, characterized in that the second tapered inclined portion is further formed to correspond to the first tapered inclined portion. The method of claim 1, The lifting shaft is an improved hood valve, characterized in that the stopper is further formed to interrupt the rise. The method of claim 4, wherein The disc valve and the Teflon packing is disposed under the stopper, hood valve with improved opening and closing function, characterized in that is fixed by a nut fastened to the lifting shaft.

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