KR100334929B1 - Strainer valve - Google Patents

Abstract

The present invention relates to a valve in which a strainer for filtering impurities contained in tap water and the like while opening and closing a moving path of a fluid such as tap water is installed. In the related art, a bonnet is formed by using several bolts when installing a valve mechanism. While it has a disadvantage that it takes a lot of parts and takes a lot of time because it must be firmly coupled to the strainer, the strainer valve according to the present invention can be fixed by being inserted into the body, the first through hole, and the ring having the second through hole and the shaft hole. , A rubber packing coupled to the inner circumferential surface of the second through hole and having a shaft hole, a shaft inserted through the shaft hole to be rotatable in place and installed in a rotatable manner, and rotatably installed inside the rubber packing and at a rotation angle of the shaft. On one end of the valve body and shaft, which rotates along and determines the opening and closing degree of the through-hole according to the degree of contact with the rubber packing. Combined with a handle that allows the user to easily rotate the shaft to the desired angle, it is easy to make, has fewer accessories, reduces assembly processes and makes maintenance easier.

Description

Strainer valve

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a valve, and more particularly, to a valve having a strainer for opening and closing a moving path of a fluid such as tap water and filtering impurities contained in the tap water.

In general, any one side of the fluid movement pipe, such as water pipes are provided with a valve to control the supply of fluid by blocking or opening the internal passage of the pipe as necessary. When it is necessary to filter out impurities among these valves, a strainer is installed on the flow path of the fluid. A conventional strainer valve will be described with reference to FIGS. 1 and 2 attached to such a strainer valve.

1 is a perspective view showing an example of a conventional strainer valve, Figure 2 is a cross-sectional view of the strainer valve of FIG.

As can be seen in Figures 1 and 2, the conventional strainer valve 100 has a body (110). The body 110 is installed between two pipes, and has a circular through hole 111 through which fluid such as water passes. The valve mechanism mounting portion 112 is formed in a direction inclined at a predetermined angle in the upper through hole 111 of the body 110, and in a direction inclined in a predetermined angle in the lower through hole 111 of the body 110. A strainer mounting portion 114 is formed.

As shown, the valve seat 121 is installed at one side of the internal valve mechanism mounting part 112 of the body 110, and the disk 123 coupled to the spindle 122 and the spindle 122 at the upper side thereof. The valve mechanism 120 is formed of a handle 124 that allows the spindle 122 to be rotated by hand, and a bonnet 125 that is coupled to the body 110 to support the spindle 122. have. The bonnet 125 is coupled near the inlet of the valve mechanism mounting portion 112 via a plurality of bolts 126 and nuts 127.

Moreover, the strainer installation part 114 is provided with the strainer 130. As shown in FIG. The strainer 130 is used to filter out impurities contained in the fluid passing therethrough and blocks one passage. The lid 132 for preventing the strainer 130 from being detached and preventing the leakage of water and the like through the strainer mounting portion 114 is provided near the entrance through the plurality of bolts 133 and the nuts 134. Are combined.

The conventional strainer valve 100 as shown in Figs. 1 and 2 has a body 110 formed in four directions, which is complicated in shape, difficult to make, and has a large number of sharp bends. I have a problem that is broken. In addition, since the bonnet (bonnet, 125) must be firmly coupled to the body 110 using a plurality of bolts 126 and the like when the valve mechanism 120 is installed, it takes a lot of parts and takes a lot of time. have. In addition, the conventional one has a large fluid resistance because the internal path is winding, and it is difficult to confirm the opening and closing degree, and it takes a lot of time because the knob has to be rotated several times to open and close the valve.

The purpose of the present invention is to make the shape of the body simple and easy to assemble, as well as to eliminate the process of coupling the bonnet with a number of bolts, etc. in the body in particular to significantly shorten the number of parts, labor and work time To provide a strainer valve.

1 is a perspective view showing an example of a conventional strainer valve,

2 is a cross-sectional view of the strainer valve of FIG.

3 is a perspective view showing a strainer valve according to the present invention,

4 is a cross-sectional view of the FIG. 3 strainer valve;

5 is a perspective view showing an axis,

6 is a perspective view of a valve body coupled to the axis of FIG. 5,

7 is a plan view of the valve body 6;

8 is a front view of the ring,

9 is a cross-sectional view of the ring,

10 is a front view of the rubber packing,

11 is a cross-sectional view of the rubber packing,

12 is a cross-sectional view showing another example of a strainer valve according to the present invention;

It is a perspective view of the valve body of FIG. 12 ball form.

Explanation of symbols on the main parts of the drawings

200: strainer valve 210: body

211: first through-hole 212, 234, 241, 262: shaft hole

213: shaft support portion 214: strainer mounting portion

220: strainer 222: stopper

230: ring 240: rubber packing

250, 250a: axis 252: non-circular cross section

260, 260a: valve body 264, 264a: polygon groove

269: third through-hole 270: handle

280: stopper

SUMMARY OF THE INVENTION An object of the present invention is to provide a strainer valve installed on a movement path of a predetermined fluid to filter impurities contained in the fluid, and a strainer valve for opening and closing the movement path of a fluid, if necessary, wherein the circular first through-hole and the first A body having a strainer installation portion for installing a shaft hole perpendicular to a through hole and a flow path of a fluid, a ring having a second through hole and a shaft hole inserted into a first through hole, and fixed therein, a second through hole Rubber packing coupled along the inner circumferential surface of the sphere and having a shaft hole, shaft inserted through the shaft hole to be rotated in place, rotatably installed inside the rubber packing, and rotated according to the rotation angle of the shaft to open and close the through hole according to the degree of contact with the rubber packing. It is coupled to the valve body to determine the degree and one end of the shaft, so that the user can easily rotate the shaft to the desired angle. Can be achieved by a strainer valve comprises a knob that allows to.

The upper body is formed with a flange with a bolt hole for joining two opposite pipes, and the upper end of the body is provided with a tooth formed along the edge of the disk-shaped stopper to maintain a fixed angle Is further provided, the upper and lower end of the valve body is formed with a beet along the edge of the cross section, the non-circular cross-sectional portion is formed on at least one side of the shaft, the non-circular cross-sectional groove portion coupled to the non-circular cross-section It is preferable to set it as the structure provided with the coupling hole formed.

The packing separation prevention groove is formed along the inner circumferential surface of the second through hole of the upper ring, and the packing wing seating portions are formed along the edges of both ends, and the rubber packing protrudes outward from both ends of the cylindrical body and the body which are disposed along the inner circumferential surface of the through hole. It is better to have a configuration having a separation prevention jaw is projected outward on the outer circumferential surface between the two wings to maintain the watertight with the pipe is coupled to the packing removal prevention groove.

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

3 is a perspective view showing a strainer valve according to the present invention, Figure 4 is a cross-sectional view of the strainer valve of FIG.

As can be seen in Figures 3 and 4, the valve 200 according to the present invention is provided with a body (210). The body 210 is installed between two pipes, the inside of which is provided with a circular first through hole 211, the shaft hole 212 in the direction perpendicular to the first through hole 211 inside It has a shaft support portion 213 formed along. One side of the body 210 is formed with a strainer mounting portion 214 to allow the strainer 220 to be installed on the movement path of the fluid. In addition, each end of the body 210 is formed with a flange 216 having a bolt hole 215 for coupling to the pipe, respectively.

As shown, the strainer valve 200 according to the present invention is provided with a ring 230. The ring 230 is inserted near the inlet of the first through hole 211 and is fixed by the head 232 of the bolt 231, and a second through hole 233 is formed therein. The ring hole 234 is formed in the ring 230 in the vertical direction. In addition, the packing departure preventing groove 235 is formed along the inner circumferential surface of the second through hole 234 of the ring 230, and the packing wing seating portions 236 are formed along the edges thereof. This ring 230 can be found in more detail in FIGS. 8 and 9.

Strainer valve 200 according to the present invention is provided with a rubber packing (240). The rubber packing 240 is coupled to the second through hole 233 of the ring 230, which also has a shaft hole 241. The rubber packing 241 is for maintaining watertightness between the pipes to be connected and for preventing water or the like from passing through at all with the valve closed. The rubber packing 240 protrudes outward from both ends of the cylindrical body 242 and the body 242 disposed along the inner circumferential surface of the second through hole 233 to maintain watertightness with the neighboring pipe 243. And an escape prevention jaw 244 that protrudes outward on an outer circumferential surface between the two wings 243 and is coupled to the packing removal prevention groove 235. This rubber packing 240 can be seen in more detail with reference to FIGS. 10 and 11.

The strainer valve 200 according to the present invention has a shaft 250. The shaft 250 is inserted through the shaft hole 212 to cross the first and second through holes 211 and 233 so that the shaft 250 can be rotated in place, and the valve body 260 is coupled thereto. That is, the shaft 250 is for enabling the valve body 260 to rotate. This axis 250 can be found in detail with reference to FIG. 5.

The valve body 260 is installed to be rotatable inside the rubber packing 240 and is rotated according to the rotation angle of the shaft 250 to determine the opening and closing degree according to the degree of contact with the rubber packing 240. This valve body 260 can be understood in detail with reference to FIGS. 6 and 7.

As shown, the handle 270 is coupled to the upper end of the shaft 250, and the handle 270 is provided with the teeth 281 formed along the edge of the upper body of the lower body 210 of the handle 270. A disk-shaped stopper 280 is installed to maintain a predetermined angle. The handle 270 is for allowing the shaft 250 to rotate even with a small force. The handle 270 is rotatably installed, and the end of the auxiliary handle 272 is interposed between the handles 272 via a spring 273 therebetween. In order to be hung on the tooth 281, and to rotate the shaft 250 for the opening and closing operation, grab the auxiliary handle 272 so that the end is separated from the tooth 281, and then the handle 270 by the required angle ) Can be rotated.

As shown, the strainer mounting portion 214 is provided with a strainer 220, the stopper 222 is coupled to the body 210 by the bolt 223 at the inlet.

That is, by holding the auxiliary handle 272 so that the end thereof is separated from the teeth 281, and then rotates the handle 270, the shaft 250 coupled thereto is rotated, and thus is coupled to the shaft 250 The valve body 260 which is present also rotates. Accordingly, the valve 200 is opened, and fluid such as water passes through the strainer 220 along the first through hole 211 inside the body 210. When the valve 200 is to be closed, the reverse process may be performed. Reference numeral 254 is a screw for preventing the shaft 250 from coming off.

As can be seen in Figures 3 and 4, the strainer valve 200 according to the present invention is the body 210 is formed only in three directions, its shape is simple and easy to make compared with the conventional one. In addition, since it is not necessary to use several large bolts and nuts to install a valve mechanism including the valve body 260, the shaft 250, the handle 270, and the like, the number of parts is small.

FIG. 5 is a perspective view of an axis, FIG. 6 is a perspective view of a valve body coupled to the FIG. 5 axis, and FIG. 7 is a plan view of the valve body of FIG. 6.

As can be seen in FIG. 5, the shaft 250 is inserted through the shaft hole 212 described above, and is coupled to the valve body 260 and the rubber packing 240, respectively. ) Is formed. This is to be coupled to the valve body 260 without a bolt 7 to transmit the rotational force to the valve body 260. Of course, in some cases, without forming the non-circular cross section 252 in the shaft 250, a bolt hole is formed in the shaft 250 at a position corresponding to the vicinity of the center of the valve body 260 to couple the bolts It is a matter of course that the shaft 250 does not fall out and can also be configured to transmit rotational force toward the valve body 260. If not, a groove 253 is formed near the upper end of the shaft 250 to be coupled with a small screw 254 on the side of the shaft support 213 to prevent the shaft 250 from falling out. The hole above it is for engaging the handle 270. The handle 270 is coupled to the upper end of the shaft 250.

The valve body 260 is coupled to the inside of the rubber packing 240 is opened and closed according to the degree of rotation of the shaft 250, that is, for opening and closing the flow path of the fluid, such as water. A shaft hole 262 is formed in the valve body 260 up and down, and as shown in FIG. 7, a non-circular cross-sectional groove 264 is formed in one side of the shaft hole 262 as shown in FIG. 7. It is. This is a portion to which the non-circular cross section 252 of the shaft 250 is coupled, so that the rotational force of the shaft 250 can be transmitted without a bolt. That is, the valve body 260 is rotated according to the rotation angle of the shaft 250. At the upper end and the lower end of the valve body 260, a gushing tooth 266 is formed along the edge thereof. This is to make the water tightness of the upper and lower ends of the valve body 260 more secure. The valve body 260 determines the degree of contact between its edge and the rubber packing 240 according to the degree of rotation thereof. That is, when the valve body 260 is sufficiently rotated to one side, the valve 200 is opened as much as possible. On the contrary, when the valve body 260 is sufficiently rotated to the other side, the valve 200 is closed to prevent fluid such as water from flowing.

8 is a front view of the ring, and FIG. 9 is a cross-sectional view of the ring.

The ring 230 is inserted into the vicinity of the inlet of the first through hole 211 of the body 210 described above and fixed with a bolt head, and has a second through hole 233 and a shaft hole 234. A packing separation preventing groove 235 is formed along the inner circumferential surface of the second through hole 233, and packing wing seating portions 236 are formed along the edges thereof. A step 237 is formed along the edge of the outer circumferential surface thereof. This is to prevent the ring 230 from being separated from the body 210 by being caught by the head 232 of the bolt 231 coupled to the body 210. The ring 230 is coupled to the body 210 in a state in which the rubber packing 240 is inserted therein, which is configured separately from the body 210 to facilitate the coupling of the rubber packing 240. .

10 is a front view of the rubber packing, and FIG. 11 is a sectional view of the rubber packing.

As shown, the rubber packing 240 is disposed along the inner circumferential surface of the second through hole 233 of the ring 230 and protrudes outward from both ends of the cylindrical body 242 and the body 242 to be watertight with neighboring pipes. Protruding outward on the outer circumferential surface between the two wings (243) and the two wings (243) for maintaining the separation is provided with a separation prevention jaw 244 coupled to the packing departure prevention groove 235, near the shaft hole 241 Reinforcement teeth 246 are formed, respectively.

12 is a cross-sectional view showing another example of a strainer valve according to the present invention, and FIG. 13 is a perspective view of a valve body having a ball shape in FIG. 12.

As shown, in some cases, the shaft 250a is shortly formed and its end is formed in a polygon, and instead of the valve body of FIG. 6, a polygonal groove 264a is formed on the upper surface, and a third through hole is formed on one side. As shown in FIG. 12, the strainer valve 200 which concerns on this invention can also be comprised using the formed valve | bulb-shaped valve body 260a. The remaining structure should just be described above.

As can be seen from the above description, the strainer valve according to the present invention is easy to be made since the shape of the body is only three directions, and does not require a plurality of bolts for fastening the valve mechanism to the body. The assembly process is also relatively short. In addition, the watertight force is further excellent due to the addition of the upper and lower valve bodies. In addition, the rubber bumps prevent the rubber packing from falling off even under high water pressure, thereby providing easy maintenance.

In addition, the strainer valve according to the present invention has an advantage that the internal fluid path is made of a straight shape, not only the resistance to the fluid passing through is small, but also the opening and closing of the valve can be easily confirmed, and the opening and closing degree thereof can be easily confirmed.

Claims (3)

A body having a circular first through hole and a second through hole installed on the moving path of the fluid to move the fluid and having a strainer to filter out impurities in the fluid, which can be inserted into and fixed to the first through hole; A ring having a through hole and a shaft hole, a rubber packing coupled along an inner circumferential surface of the second through hole and having a shaft hole, an shaft inserted through the shaft hole to be installed in a rotatable position, and coupled to one end of the shaft to a user's desired angle. In the valve with the handle for easy rotation, A valve body rotatably installed in the rubber packing and pivoted according to a rotation angle of the shaft to determine the opening and closing degree of the through hole according to the degree of contact with the rubber packing; And And a strainer mounting portion configured to install the strainer on a shaft hole perpendicular to the first through hole opened and closed by the valve body and a fluid path. delete delete