JPH0328228Y2 - - Google Patents

Description

[Detailed Description of the Invention] <Industrial Application Field> The present invention relates to a repair stop valve that is connected in the middle of a water supply pipe and is used to temporarily stop water supply when repairing the water supply.

<Prior art> Conventional water stop valves and other anti-rotation structures of cocks interposed in the middle of flow paths for various liquids, gases, etc.
As shown in the figure, an outer shell 1 into which a plug 4a is inserted
A notch 7a is provided over a certain range on the mouth edge of the part where the plug 4a is inserted, and a pin 5'a is provided from the notch 7a on the side surface of the plug 4a fitted into the outer shell 1a. Transplant and pick 5
When rotating the plug 4a by holding the pin 5'a, the pin 5'a is regulated by the notch 7a so that the plug 4a
The rotation range of the plug 4a is limited so that it can be determined whether the through hole in the plug 4a and the passage in the outer shell are in communication or in a blocked state.

<Problems to be solved by the invention> However, in the conventional example described above, a pin 5'a must be installed on the side of the pot 4a as a structure for regulating the rotation of the pot 4a. The work of implanting 5'a is extremely troublesome.

For example, if the pin 5'a can be easily inserted, it may fall off after long-term use, or if it cannot be easily inserted, it will be difficult to drive, and if it is driven in forcefully, it will bend. There were problems such as the outer diameter swelled or the outer diameter swelled.

Therefore, the present invention solves the drawbacks of the above conventional example,
To provide a water stop valve that does not produce defective products and has good workability.

<Means for solving the problem> A stop protrusion is formed protrudingly on the edge of the water stop plug insertion hole of the outer shell body into which the water stop plug is inserted freely, and the outside of the water stop plug is A regulating piece that engages with the blocking protrusion is integrally extended and protruded from an operating protrusion formed at the end.

<Operation> When the regulating piece and the stopping projection piece come into contact with each other, the state of the water stop valve is set to a state where water is allowed to flow or water is stopped.

<Embodiment> The embodiment of the present invention shown in the drawings will be explained in detail below. First, the most important point of the present invention is that the restriction piece that restricts the rotation of the water cut-off plug is It is to provide an extension on the top of the part. That is, as shown in FIGS. 1 and 2, a water stop plug 4 is attached to the outer shell 1 of the water stop valve, which is connected to the middle of the water pipe by connecting pipes 2 and 3 protruding from two sides. is inserted into the water stop plug 4 so as to rotate freely, one end of the operating protrusion 5 protruding from the outer end surface of the water stop plug 4 is extended in the circumferential direction of the water stop plug 4, and a regulating piece 5' is integrally provided. Then, the regulating piece 5' is brought into contact with two restraining protrusions 6 and 7 that protrude from the periphery of the end face of the retaining hole in which the water stop plug of the outer shell 1 is inserted, with an opening angle of approximately 90°. When the water stop plug 4 is rotated in the direction of arrow A and the regulating piece 5' comes into contact with the stopping protrusion 6, the through hole 4' of the water stop plug 4 is connected to the connecting pipes 2 and 3. The through holes 2' and 3' communicate with each other, and when the water stop plug 4 is rotated in the direction of arrow B and the regulating piece 5' comes into contact with the restraining protrusion 7, the through hole 4' becomes the through hole 2'. , 3' and are cut off.

In addition, if the protruding position of the stopper protrusions 6 and 7 mentioned above is not necessarily limited to the position perpendicular to the rotation center of the water stop plug 4, in short, the through hole 4' is 2',
3', any corresponding angle is sufficient as long as it is necessary for complete communication or complete interruption.

<Effects of the invention> As mentioned above, the present invention has a simple configuration, eliminates the need to separately drive in a regulating pin as in conventional water stop valves, and not only requires less assembly man-hours, but also There is no need to drill pin holes for planting, and there are no defects associated with driving pins.

In addition, the present invention has a stopper on the water stop plug, which makes it easier to operate under working conditions, such as when you are suddenly forced to work at night, or when the water stop plug is immersed in muddy water. It is a device with high practical value that has many excellent effects such as quick and accurate operation because even if the state of water cannot be fully determined, it can be turned on or off by turning the valve. be.

[Brief explanation of drawings]

Figure 1 is a perspective view of the water stop valve of the present invention, and Figure 2 is:
A partially cutaway plan view of the same as above, and FIG. 3 is a partially cutaway side view of the conventional example. 1... Water stopcock outer shell, 2', 3'... Through hole, 4...
...Water stop plug, 4'...Through hole, 5...Operation protrusion,
5′...Regulation piece, 6, 7...Restriction protrusion piece.

Claims (1)

[Scope of utility model registration request] In a water stop valve that is connected in the middle of a water pipe and is configured to turn water on or off by rotating the water stop plug, a part of the operating protrusion formed at the outer end of the water stop plug is circular. A regulating piece is provided so as to extend in the circumferential direction and protrude so as to engage two restraining protrusions protruding from the outer shell of the water stop valve, and when the operating protrusion engages with the two protruding pieces, respectively. A water stop valve for repair use, characterized in that it is configured to allow water to flow or to stop water.