KR200318467Y1 - Valve Flange - Google Patents

Abstract

A valve connecting flange for connecting with a flange formed at an end of a conduit, the same depth being provided in one step inside and outside the center of the connecting flange (2) (2 ') surface (3) on both sides of the valve body (1). The concave grooves 7a and 7b are formed, and the edges of the connecting planar surface 3 are formed with pointed jaws 8a and 8b, and the ends 9a in and out of the concave grooves 7a and 7b. 9b is formed, and at the end where the ends 9a and 9b are finished, two concave grooves 10a and 10b having the same depth are formed inside the connecting flange surface 3 in two stages. Each edge 12a, 12b, the groove 10a, 10b and the edge formed by the edges 9a, 9b have a sharp jaw 11a, 11b formed therein, and then two stages inward. Pointed jaws (4a) (4a '), (4b) (4b') is formed and the outer surface portion is a sharp jaw (4a) (4a '), (4b) formed of two stages of the plate-shaped rubber gasket (4) 4b 'is connected to the first and second steps of the recessed surface 7a of the flange surface 3a. (7b), (10a) (10b) is a valve connecting flange with a plate-shaped rubber gasket (4) mounted on the valve connection flange, and is connected to the flange on the pipeline by a rubber seal made of a conventional disc shape. It is possible to provide a valve connection flange that saves material and labor costs than sealing the flange.

Description

Valve connection flange {omitted}

The present invention relates to a valve connecting flange, which forms a special recessed groove recessed in two stages on both sides of the valve body connecting flange surface, and has a two-stage special shaped projecting portion projecting sharply against the formed recessed groove. Equipped with a plate-shaped rubber gasket, it eliminates the extra work of installing the rubber gasket when the valve and the mating pipe are connected, and can prevent the leakage of water between the connecting flange due to the poor gasket installation. The valve connection flange is equipped with a rubber gasket.

Conventionally, when installing the valve in the pipeline, a rubber-like gasket having a flange size between the flange installed in the pipeline and both connecting flanges of the valve is tied to both sides of the valve connecting flange with a seal or a string to fix it to the flange surface. Alternatively, it is fixed by applying an adhesive and inserted between the installed flanges on the pipeline, and then fastened with a fastening bolt of the connecting flange and fixedly piped to the pipe flange on the other pipeline. Piping work was not easy due to broken rubber gasket or rubber gasket due to poor adhesives. Also, when tightening bolts after piping work is difficult, the rubber gasket should be placed in the correct position. Since the contact area is not uniform due to inconsistency, the connection flange cannot endure the working water pressure of the pipe and valve The leak occurs, it will have been a number of problems such as the construction planting tube caused between.

The object of the present invention relates to a valve connecting flange that can save material costs and labor costs than the sealing flange of the pipe and the connection flange of the valve by sealing the rubber pipe made of a conventional disc shape, A specially shaped recessed groove that is concave in two stages is formed in the connecting flange surface on both sides of the valve, and a plate-shaped rubber gasket having two-stage special-shaped convex portions projecting sharply facing the formed recess groove is mounted. It is economical because it reduces the cost, increases the efficiency, is easy to maintain, compact, and has no problem when connecting the pipe of the mating connector.

1 is a front view of part of the present invention

2 is a partial sectional view of the main part of the present invention

<Description of the code | symbol about the principal part of drawing>

1.valve body

2. 2 'connection flange 2a, 2a' mating connector flange

3, connection flange surface

4, 4 'special shaped plate rubber gasket

Pointed jaws formed in two stages of 4a, 4a ', 4b, 4b' special shaped plate rubber gaskets

5. Bolt

6. Nut

7a, 7b one-stage recessed groove

8a, 8b single stage sharp jaws

1st stage inside 9a, 9b

10a, 10b two-stage recessed groove

11a, 11b 2-stage pointed chin

12a, 12b 2nd stage

According to the present invention, concave grooves 7a and 7b having the same depth in one step are formed at the inside and outside of the central portion of the connecting flanges 2, 2 ', and surface 3 on both sides of the valve body 1. The edge of the flange surface 3 is formed with pointed jaws 8a and 8b, and ends 9a and 9b are formed inside and outside the recessed grooves 7a and 7b, and the ends 9a and 9b. ), At the end of the connecting flange surface 3, the second grooves 12a and 12b and the second grooves 12a and 12b are formed while the recessed grooves 10a and 10b having the same depth are formed in two stages. The edges formed by the 10a) 10b and the ends 9a and 9b allow the sharp jaws 11a and 11b to be formed, and then the inside of the two points sharp jaws 4a and 4a '4b. (4b ') is formed and the outer surface portion is connected to the pointed jaw (4a) (4a'), (4b) (4b ') formed in two stages of the plate-shaped rubber gas get (4) of the planar surface The plate-like rubber gasket is inserted into the valve connection flange surface 3 by inserting into the first and second concave grooves 7a, 7b and 10a and 10b. The present invention relates to a valve equipped with the connection flange (4).

Hereinafter, described with reference to the accompanying drawings, preferred embodiments of the present invention is as follows.

Concave grooves 7a and 7b having the same depth in one step are formed at the inside and outside of the central portion of the connecting flanges 2, 2 'and 3' on both sides of the valve body 1, and the connecting flange surface 3 is formed. The edge of the pointed jaw (8a) (8b) is formed, the end (9a) (9b) is formed in and out of the concave groove (7a) (7b), the end (9a) (9b) at the end, The grooves 10a and 10b of the second angular ends 12a and 12b are formed while the concave grooves 10a and 10b having the same depth are formed in two stages inside the connecting flange surface 3. The edges formed by (9a) and (9b) are such that the sharp jaws (11a) and (11b) are formed, and then the sharp jaws (4a) (4a ') and (4b) (4b') are formed in two stages inside. The outer surface portion of the first and second ends of the planar surface 3 is connected to the pointed jaws 4a, 4a ', 4b and 4b' formed of two ends of the plate-shaped rubber gasket 4 having a flat surface. Inserted into the grooves 7a, 7b, 10a, 10b, and tightly fitted in two stages, the plate rubber gasket 4 is connected to the valve. After installing the valve body (1) integrally mounted on the flange (2) (2 ') between the valve installation mating connection flange (2a) and (2a'), a plurality of flange fixing bolts (5), When the nut 6 is tightened in the symmetrical direction with respect to the tube, a special plate-shaped rubber gasket 4 and 4 'integrally mounted to the valve connecting flange 2 and 2' is pressed to form a rubber gasket. The flange fastening is completed by perfectly enduring the working water pressure by securing a uniform contact surface without fear of detachment or breakage from the connecting flange.

According to the connection flange of the valve according to the present invention as described above, when constructing the pipe connection on the valve pipeline, in the coupling flange of the plate-shaped rubber gasket of the special shape in the connection flange on both sides of the valve body, Since the rubber plate gasket of the shape is mounted tightly in two stages on the connecting flanges on both sides of the valve, the rubber gasket is fixed to the flange surface by tying with a seal or a string to both sides of the valve connecting flange or attaching it with an adhesive as in the prior art. Also, in this operation, the rubber gasket does not coincide with the center of the pipe, that is, the center of the pipe and the center of the valve, and the contact area is not uniform. This prevents leakage of water and reduces the cost associated with tightening pipes. It will be reduced, and also, to prevent leaks in piping work hard to perfect Plumbing avoided in advance, maintain, convenient, and economical and can be used semi-permanently.

Claims (1)

Connection flanges 2, 2 'of known valves for connecting with flanges 2a, 2a' formed at the end of the pipeline, connecting flanges 2, 2 'on both sides of the valve body 1; Concave grooves 7a and 7b having the same depth in one step are formed in the inner and outer sides of the center of the surface 3, and the edges of the connecting planar surface 3 are formed with sharp jaws 8a and 8b. Steps 9a and 9b are formed inside and outside the recessed grooves 7a and 7b, and pointed jaws 8a and 8b are formed, and inside and outside the recessed grooves 7a and 7b. 9b) formed, and at the end of the ends 9a and 9b, the concave grooves 10a and 10b having the same depth in two stages are formed inside the connection flange surface 3, Each edge 12a, 12b and grooves 10a, 10b and edges formed by the edges 9a, 9b have a sharp jaw 11a, 11b formed therein, and then two stages inward. Pointed jaws 4a, 4a ', 4b and 4b' are formed, and the outer surface portion has a flat plate-like rubber gasket. The first and second concave grooves 7a, 7b, and 10a of the pointed jaws 4a, 4a ', and 4b and 4b' formed of two stages of the connection plane surface 3 are connected. Valve flange, characterized in that the plate-like rubber gasket (4) is mounted on the valve connection flange surface (3).