KR101169150B1

KR101169150B1 - Flush valve with vacuum brake

Info

Publication number: KR101169150B1
Application number: KR1020100049244A
Authority: KR
Inventors: 신경호
Original assignee: 신경호
Priority date: 2010-05-26
Filing date: 2010-05-26
Publication date: 2012-07-30
Also published as: KR20110074952A

Abstract

The present invention relates to a flush valve that is capable of smoothly draining the washing water by using a vacuum prevention mechanism of a simple structure.
The present invention provides a valve housing (1), a flush valve body (7) installed in the valve housing (1) to open and close the flow path and extend the opening and closing rod (8) to one side, the operation member (12), the valve housing ( The cap member 20 screwed to the operating member connecting portion 4 of 1), the cylindrical push guide 22 coupled to the inside of the operating member connecting portion 12, and the flush through the push guide 22. In the flash valve including the operation rod 24 extending toward the opening and closing rod 8 of the valve body 7 and the spring 15 for elastically supporting the operation rod 24, the push guide 22 An air hole 32 is formed on a surface of the valve housing 1 toward the inner side of the valve housing 1, and the U-packing member 34 is coupled to the push guide 22 adjacent to the air hole 32, and the operation member connecting portion ( 4) or an air hole through which air is constantly introduced into a gap between the periphery of the cap member 20 or the periphery of the central hole 28 of the cap member 20 and the operation member 12. Or 36) is formed.

Description

Flush valve with vacuum brake

The present invention relates to a flush valve having a vacuum prevention mechanism, and more particularly, to a flush valve having a vacuum prevention mechanism having a new structure that allows the washing water to be discharged smoothly using a vacuum prevention mechanism having a simple structure. will be.

The toilet or urinal of the toilet is provided with a flush valve or a flushing valve for flushing down the toilet after the user views the toilet. The flush valve is discharged quickly as soon as the valve is opened, it is necessary to wash the feces or urine by the rapid flow of the discharge water. In order to ensure a rapid discharge of the wash water as described above, such a flush valve is provided with a vacuum preventing device for preventing a vacuum or negative pressure from being formed therein. If a vacuum or negative pressure is formed inside the valve, the washing water may not be discharged smoothly and quickly, so that the feces or urine cannot be sufficiently washed out, and the sewage may flow back.

However, such a conventional flush valve has a vacuum prevention mechanism including a separate body including an air inlet and a packing member at a connection portion of the valve body and the discharge pipe so that vacuum or negative pressure is not formed in the valve body. However, such a conventional flush valve is not only bulky and takes much material, but also occupies a lot of installation space, and thus has a problem of high cost and inefficiency.

The present invention has been proposed in view of the problem of the flush valve related to the conventional vacuum prevention mechanism as described above, the present invention is simple in structure and does not occupy a separate space, it is small in volume, can save material In order to provide a flush valve with a vacuum prevention mechanism of a new structure, it is effectively installed even in a narrow installation space.

According to one feature of the invention, the washing water inlet (2) is formed protruding on one side and the washing water discharge port (3) and the operation member connecting portion (4) formed on the other side, respectively, the pressure chamber (5) is formed on one side A flush valve body (7) installed in the housing (1), the valve housing (1) to open and close the flow path, and the opening / closing rod (8) extends to one side, and the operation member connecting portion (4) of the valve housing (1). An operation member 12 protruding from the control member, a central hole 28 through which the operation member 12 penetrates, and a cap member 20 screwed to the operation member connecting portion 4 of the valve housing 1; The tubular push guide 22 coupled to the operation member connecting portion 12 of the valve housing 1 and one end thereof are in contact with the proximal end of the operation member 12, and the other end thereof is the push guide 22. Extends toward the opening / closing rod 8 of the flush valve body 7 and moves forward and backward according to the operation of the operation member 12. An actuating rod 24, a spring 15 fitted to the actuating rod 24 to elastically support the actuating rod 24, and a gap between the push guide 22 and the actuating rod 24. In a flash valve including a sealing member (29) for sealing, an air hole (32) is formed on a surface of the push guide (22) facing the inside of the valve housing (1), and a push adjacent to the air hole (32). The U-packing member 34 is coupled to the guide 22 so as to open only in one direction, and at least one of the operation member connecting portion 4, the cap member 20, or the operation member 4, or the cap member 20. In the gap between the central hole 28 of the center hole 28 and the operation member 12, there is provided a flush valve having a vacuum preventing mechanism, characterized in that the air hole 35 or 36 through which air is introduced.

According to another feature of the invention, the air hole 36 formed in the gap between the central hole 28 and the operation member 12 of the cap member 20, the central hole 28 of the cap member 20 A flush valve with a vacuum preventing mechanism is provided, which is formed by a concave groove formed toward the inner wall of the cap member 20 at a circumferential portion of the cap member 20.

According to another feature of the invention, the tubular push guide 22 in the radial direction in the periphery of the end pipe 42 and the end pipe 42 slidably penetrating the operating rod 24 is extended radially. And a rod support 40 including a support wall 44 which is in contact with the inner wall of the push guide 22, and the air hole 46 penetrates the support wall 44 of the rod support 40. In addition, the U-packing member 34 is provided with a flush valve having a vacuum preventing mechanism, characterized in that it is tightly coupled to the outer circumferential surface of the short pipe portion 42 of the rod support (40).

According to the present invention, in implementing a vacuum prevention mechanism for ensuring rapid and rapid discharge in the flush valve for the toilet and preventing backflow of sewage, without using a separate metal body or parts, to the operation member 12 An air hole 32 is formed in the push guide 22 on which the operating rod 24 to be slidably supported, and the inside of the push guide 22 is provided with a U-packing member 34 having a backflow prevention function. At least one of the operation member connecting portion 4, the operation member 12, and the cap member 20 of the valve housing 1 to which the operation member 4 is connected, or the central hole 28 of the cap member 20. By forming the air holes 35 and 36 into which the outside air flows in the gap between the periphery and the operation member 12, the vacuum prevention mechanism can be realized by a simple structure, thereby greatly reducing the parts and the cost. Significantly improved efficiency by saving installation space Rush is possible to provide a valve.

In particular, according to the present invention, by forming the air hole 36 by a concave groove formed along the inner wall of the cap member 20 at the circumference of the central hole 28 of the cap member 20, apparently vacuum prevention There is virtually no difference from a flush valve without a mechanism, so that it is possible to provide a flush valve that is seemingly neat and has a smooth vacuum prevention operation.

According to the present invention, the push rod 22 extends in a radial direction from the end of the end pipe 42 and the end of the end pipe 42 which the operating rod 24 is tightly penetrated inside the cylindrical push guide 22. It further comprises a rod support body 40 including a support wall 44 in contact with the inner wall of the 22, the support wall 44 of the rod support 40 by forming an air hole 46 through the operation member While maintaining the slide operation of the operation rod 24 according to the operation of (12) precisely, the U-packing member 34 can be seated and held in the correct position, and the flow path into the valve housing 1 can be secured well. Therefore, the operation of the flush valve device can be made more reliable.

1 is a cross-sectional view of one embodiment of the present invention
Figure 2 is an exploded perspective view of the main part of the embodiment
3 is a sectional view of principal parts of the embodiment;
4 is a sectional view of main parts of another embodiment of the present invention;

Hereinafter, with reference to the drawings will be described a preferred embodiment of the present invention. 1 is a cross-sectional view of an embodiment of the present invention, Figure 2 is a sectional view of the main part of the embodiment, Figure 3 is an exploded perspective view of the main part of the embodiment.

As shown, according to the present invention, one side of the valve housing (1) is formed with a washing water inlet (2) through which the stop water flows through the stop valve, the lower side of the valve housing (1) is formed with a washing water discharge port (3) On one side of the washing water discharge port 3, the operation member connecting portion 4 is formed to protrude. A pressure chamber 5 is formed above the inside of the valve housing 1, and a flush valve body 7 for opening and closing the flow path of the flush valve is formed in the lower portion of the pressure chamber 5 so as to be able to move up and down. The opening / closing rod 8 extends downward in the lower portion of the flush valve body 7. And the operating member connecting portion 4 of the valve housing 1 is provided with an operating member 12 consisting of a lever or a handle bar. The operation member 12 in the form of a handle bar protrudes outwardly from the operation member connecting portion 4, and a radial extension 21 is formed at the base end thereof. The cap member 20 is screwed to the operating member connecting portion 4, and the cap member 20 penetrates the operating member 12 and the center in which the extension 21 of the operating member 12 abuts and is supported. A ball 28 is formed. In the illustrated embodiment, the operation member 12 is illustrated as being configured in the form of a lever or a handle bar, but a different type of operation member, for example, a button may be used.

The tubular push guide 22 is coupled to the inside of the operation member connecting portion 12 of the valve housing 1. The push guide 22 has a cylindrical shape with one side blocked, and a through hole is formed at the blocked end, and the operation rod 24 described later slides in a watertight manner. On the other hand, the operating rod 24 is provided to contact the expansion portion 21 formed at the base end of the operation member (12). The operation rod 24 is in contact with the expansion portion 21 of the operation member 12 by a disk 25 formed at one end, and the other end passes through the push guide 22 as described above to flush the valve body 7. Extends close to the opening / closing rod (8).

In addition, a rod support 40 is built into the cylindrical push guide 22. The rod support 40 has a short pipe portion 42 through which the operating rod 24 slidably extends, and a support extending radially from the periphery of the short pipe portion 42 to contact the inner wall of the push guide 22. Wall 44. A spring 15 that elastically supports the actuating rod 24 is elastically supported between the disk 25 of one end of the operating member 12 and the support wall 44 of the rod support 40. And the packing member 29 for sealingly maintaining the gap between the push guide 22 and the operating rod 24 is disposed in front of the rod support (40). In addition, the O-ring 47 which is a separate packing member is disposed at the front circumference of the rod support 40.

According to this structure, when the operation member 12 is rotated to one side, the expansion portion 21 of the proximal end of the operation member 12 is rotated to push the disk 25 of the operation rod 24, thereby operating rod 24 ) Is pushed to open / close the flush valve body 7 by touching the opening / closing rod 8 of the flush valve body 7 to discharge the washing water. This operation is generally the same as the operation of the flush valve, so detailed description thereof will be omitted.

In addition to such a structure, according to the present invention, a plurality of air holes 32 are formed on the inner side of the valve housing 1 of the push guide 22. The U-packing member 34 is coupled to the inner side of the push guide 22 adjacent to the air hole 32, specifically, to the circumference of the rod support 40 built in the push guide 22. The U-packing member 34 is disposed so that the U-shaped opening faces the air hole 32 of the push guide 22 and is made of a soft rubber material such as silicon, so that air is introduced from the operation member 12 side. Passes, but blocks the outflow of the wash water from the inside of the valve housing 1 in the reverse direction. Thus, the present invention by applying the U-packing member 34 of a simple structure, the air is introduced into the valve housing 1, it can block the outflow of the washing water from the inside.

In addition, according to the present invention, an air hole 36 through which the air is introduced is formed in the gap between the central hole 28 and the operation member 12 of the cap member 20. Specifically, as shown in FIG. 3, the air ball 36 is an inner wall of the cap member 20 at the periphery of the central hole 28 of the cap member 20 to which the operation member 12 is coupled and supported. It is made of a concave groove formed extending toward. The concave groove air hole 36 communicates with the outside even after the user stops the operation of the operation member 12, even after the operation member 12 of the handle bar form returns to its original position in a horizontal state. The external air is configured to be introduced into the valve housing (1).

According to this structure, even if it does not have a separate body or parts for preventing the vacuum, the air introduced through the air hole 36 formed in the operation member connecting portion 3 is connected to the U-packing member ( 34 through the air hole 32 of the push guide 22 can be introduced into the inside, on the contrary, since the internal washing water is prevented from leaking to the outside by the U-packing member 34, the vacuum prevention function is excellent. Can be done.

4 is another embodiment of the present invention, instead of forming the air ball in the gap formed in the periphery of the central hole 28 of the cap member 20, a separate air ball in the periphery of the cap member 20 Show that you drilled 35. Although not shown, instead of forming the air inlet 35 for the air inlet portion circumference of the cap member 30, it may be formed in the operation member 12 itself. For example, it may be formed in the extension 21 of the handle bar-type operation member 12 as shown. And, if the operation member 12 is not a handlebar type but configured in the form of a button may be formed to penetrate the button. Unlike the illustrated embodiment, when the circumferential wall of the operation member connecting portion 4 is configured to face a space in which the operating rod 24 is embedded, an air ball is formed on the circumferential wall of the operating member connecting portion 4. It will be possible to introduce air into the interior.

Claims

The valve housing (1) is formed with a washing water inlet (2) protruding on one side and the washing water discharge (3) and the operation member connecting portion (4) protruding from each other, and the pressure chamber (5) is formed on one side of the inside, and the valve The flush valve body 7 installed in the housing 1 to open and close the flow path and the opening and closing rod 8 extends to one side, and the operation member 12 protruding from the operation member connecting portion 4 of the valve housing 1. ), A central hole 28 through which the operation member 12 penetrates, and a cap member 20 screwed to the operation member connecting portion 4 of the valve housing 1, and the valve housing 1 of the cap housing 20. A cylindrical push guide 22 coupled to the inside of the operation member connecting portion 12, and one end thereof is in contact with the proximal end of the operation member 12, and the other end passes through the push guide 22 so that the flush valve body ( An operation rod 24 extending toward the opening / closing rod 8 of 7) and moving forward and backward according to the operation of the operation member 12; A spring 15 fitted to the copper rod 24 to elastically support the actuating rod 24 and a packing member 29 for sealing a gap between the push guide 22 and the actuating rod 24. In the flash valve, the air hole 32 is formed on the surface of the push guide 22 facing the inside of the valve housing 1, and the push guide 22 adjacent to the air hole 32 is formed only in one direction. U-packing member 34 is coupled to open, at least one of the operation member connecting portion 4, the cap member 20 or the operation member 4, or the periphery of the central hole 28 of the cap member 20 The air gap 35 or 36 through which air is introduced is formed in the gap between the control member 12 and
An inner wall of the push guide 22 is formed in the tubular push guide 22 by radially extending from a short pipe portion 42 through which the operating rod 24 slidably penetrates and a circumference of the short pipe portion 42. The rod support 40 including the support wall 44 in contact with the air support 46 is provided, the air hole 46 passes through the support wall 44 of the rod support 40, the U-packing member 34 is Flush valve with a vacuum preventing mechanism, characterized in that it is tightly coupled to the outer peripheral surface of the end pipe portion (42) of the rod support (40).

The air hole 36 formed in the gap between the central hole 28 of the cap member 20 and the operation member 12 is a circumference of the central hole 28 of the cap member 20. The flush valve with a vacuum preventing mechanism, characterized in that formed by the recessed groove formed toward the inner wall of the cap member (20).

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