CN213871125U - Hard seal stop valve with self-tightening middle part - Google Patents

Abstract

The utility model discloses a middle part is from tight hard seal stop valve, including the valve body, the left end fixed mounting of valve body has the drain pipe, and the top movable mounting of drain pipe has the spanner, and the inside intermediate position activity of drain pipe is provided with rubber baffle, and rubber baffle fixed mounting has the feed liquor pipe at the bottom position of spanner, the right-hand member fixed mounting of valve body. A middle part is from tight hard seal stop valve, through the rubber baffle that sets up in the drain pipe inside, this rubber baffle adopts the nitrile rubber material, and this rubber baffle and drain pipe cooperate, under the hard seal stop valve closure state, there is partial medium seepage, spanner through rotating the setting of rubber baffle top, make this rubber baffle and drain pipe direction perpendicular, can be sealed with the drain pipe, it is sealed not tight to have solved the hard seal stop valve, the problem of unable zero leakage, can not cause the waste and the environmental pollution scheduling problem of raw and other materials.

Description

Hard seal stop valve with self-tightening middle part

Technical Field

The utility model relates to a stop valve field is sealed firmly, in particular to middle part self-tightening seals stop valve firmly.

Background

The stop valve is a tool which depends on the pressure of a valve rod to make the sealing surface of a valve clack tightly attached to the sealing surface of a valve seat and prevent medium circulation, belongs to a forced sealing type valve, and is one of the most widely used valves because of small friction between the sealing surfaces in the opening and closing process, small opening height, simple manufacture and convenient maintenance and is suitable for medium and high pressure;

there is certain drawback in current hard seal stop valve, at first, be stainless steel with valve clack junction position in the valve clack and the valve body of current hard seal stop valve, lead to sealing performance not very showing, can't accomplish zero leakage, can cause the waste of raw and other materials and the pollution scheduling problem of environment, and current stop valve opens and shuts and all adopts hand wheel control, lead to that speed of opening and shutting is slow, long time, if meet emergency and come too late to deal with, and wasted the manpower, for this reason, we have provided a middle part from tight hard seal stop valve.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a middle part is from tight hard seal stop valve, can effectively solve the problem among the background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a middle part is from tight hard seal stop valve, includes the valve body, the left end fixed mounting of valve body has the drain pipe, the top movable mounting of drain pipe has the spanner, the inside intermediate position activity of drain pipe is provided with rubber baffle, rubber baffle fixed mounting is in the bottom position of spanner, the right-hand member fixed mounting of valve body has the feed liquor pipe.

Preferably, the top fixed mounting of valve body has lower mounting panel, the top of mounting panel is provided with the mounting panel down, first through-hole and second through-hole have all been seted up in the left and right sides to mounting panel and last mounting panel down, first through-hole cooperatees with first bolt, the second through-hole cooperatees with the second bolt, the mounting panel passes through first bolt and second bolt movable mounting with last mounting panel down.

Preferably, the third through hole has all been seted up with last mounting panel intermediate position to lower mounting panel, lower mounting panel and last mounting panel have hollow steel pipe through third through hole fixed mounting, the top fixed mounting of hollow steel pipe has electronic telescopic cylinder, the bottom of electronic telescopic cylinder and the inside fixed mounting that is located hollow steel pipe have outer telescopic link, the inside movable mounting of outer telescopic link has interior telescopic link.

Preferably, the bottom of the inner telescopic rod is provided with threads, the bottom of the inner telescopic rod is movably provided with a valve clack through the threads, and the bottom of the valve clack is matched with a channel formed by the liquid inlet pipe and the liquid outlet pipe.

Preferably, a sealing gasket is fixedly arranged on the periphery of the bottom of the hollow steel pipe.

Preferably, the valve clack and the matched channel that feed liquor pipe and drain pipe formed are stainless steel material, rubber baffle is the butadiene acrylonitrile rubber material, and rubber baffle and drain pipe cooperate.

Preferably, the hollow steel pipe and the outer telescopic rod have the same length, and the outer telescopic rod is fixedly installed inside the hollow steel pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

the rubber baffle is arranged in the liquid outlet pipe, the rubber baffle is made of nitrile rubber, the rubber baffle is matched with the liquid outlet pipe, partial medium leaks when the hard sealing stop valve is closed, the rubber baffle is perpendicular to the liquid outlet pipe by rotating a wrench arranged at the top end of the rubber baffle, and the liquid outlet pipe can be sealed, so that the problems that the hard sealing stop valve is not tight in sealing and cannot leak zero are solved, and the problems of waste of raw materials, environmental pollution and the like cannot be caused;

through the electric telescopic cylinder that sets up on hollow steel pipe top, the valve clack is installed through outer telescopic link and interior telescopic link to the electric telescopic cylinder, when needing to open this hard sealed stop valve, only needs to open electric telescopic cylinder, and interior telescopic link is the inside up-and-down motion of outer telescopic link, can drive the valve clack motion, realizes opening and shutting of hard sealed stop valve, need not the staff and rotates hand wheel control switch, has practiced thrift the manpower, and the speed of opening and shutting is fast, can not cause danger because of emergency.

Drawings

FIG. 1 is a cross-sectional view of a hard seal stop valve with self-tightening middle part according to the present invention;

FIG. 2 is a schematic view of the overall structure of a hard seal stop valve with self-tightening middle part of the present invention;

FIG. 3 is an enlarged view of the stop valve structure of the middle self-tightening hard seal stop valve of the present invention;

fig. 4 is the utility model relates to a rubber baffle structure enlarger of hard seal stop valve of middle part self-tightening.

In the figure: 1. a valve body; 2. a rubber baffle; 3. a liquid outlet pipe; 4. a wrench; 5. a valve flap; 6. a first bolt; 7. an inner telescoping rod; 8. an electric telescopic cylinder; 9. a hollow steel pipe; 10. an outer telescopic rod; 11. a liquid inlet pipe; 12. a second bolt; 13. an upper mounting plate; 14. sealing gaskets; 15. and a lower mounting plate.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Example 1

As shown in FIGS. 1-3, a middle self-tightening hard sealing stop valve comprises a valve body 1, a liquid outlet pipe 3 is fixedly mounted at the left end of the valve body 1, a wrench 4 is movably mounted at the top end of the liquid outlet pipe 3, a rubber baffle 2 is movably arranged at the middle position inside the liquid outlet pipe 3, the rubber baffle 2 is fixedly mounted at the bottom end of the wrench 4, and a liquid inlet pipe 11 is fixedly mounted at the right end of the valve body 1.

The valve clack 5 and the liquid inlet pipe 11 and the liquid outlet pipe 3 form a matched channel which is made of stainless steel, the rubber baffle 2 is made of nitrile rubber, and the rubber baffle 2 is matched with the liquid outlet pipe 3.

By adopting the technical scheme: through the rubber baffle 2 that sets up in drain pipe 3 inside, this rubber baffle 2 adopts the butadiene acrylonitrile rubber material, and this rubber baffle 2 and drain pipe 3 cooperate, under the hard seal stop valve closure state, there is partial medium seepage, spanner 4 through rotating 2 tops of rubber baffle sets up, make this rubber baffle 2 perpendicular with the 3 directions of drain pipe, can seal drain pipe 3, it is sealed not tight to have solved the hard seal stop valve, the problem of unable zero leakage, can not cause the waste and the environmental pollution scheduling problem of raw and other materials.

Example 2

As shown in FIGS. 1-4, a middle self-tightening hard seal stop valve, a lower mounting plate 15 is fixedly mounted at the top end of a valve body 1, an upper mounting plate 13 is arranged at the top end of the lower mounting plate 15, first through holes and second through holes are formed in the left side and the right side of the lower mounting plate 15 and the upper mounting plate 13, the first through holes are matched with a first bolt 6, the second through holes are matched with a second bolt 12, and the lower mounting plate 15 and the upper mounting plate 13 are movably mounted with the second bolt 12 through the first bolt 6.

Third through holes are formed in the middle positions of the lower mounting plate 15 and the upper mounting plate 13, the lower mounting plate 15 and the upper mounting plate 13 are fixedly provided with a hollow steel pipe 9 through a third through hole, the top end of the hollow steel pipe 9 is fixedly provided with an electric telescopic cylinder 8, the bottom end of the electric telescopic cylinder 8 is fixedly provided with an outer telescopic rod 10 inside the hollow steel pipe 9, and the outer telescopic rod 10 is movably provided with an inner telescopic rod 7 inside.

The bottom of the inner telescopic rod 7 is provided with threads, the bottom of the inner telescopic rod 7 is movably provided with a valve clack 5 through the threads, the bottom of the valve clack 5 is matched with a channel formed by a liquid inlet pipe 11 and a liquid outlet pipe 3, a sealing gasket 14 is fixedly arranged on the periphery of the bottom of the hollow steel pipe 9, the hollow steel pipe 9 is equal to the outer telescopic rod 10 in length, and the outer telescopic rod 10 is fixedly arranged inside the hollow steel pipe 9.

By adopting the technical scheme: through the electric telescopic cylinder 8 that sets up through 9 tops at hollow steel pipe, valve clack 5 is installed through outer telescopic rod 10 and interior telescopic rod 7 to electric telescopic cylinder 8, when needing to open this hard sealed stop valve, only need open electric telescopic cylinder 8, interior telescopic rod 7 is at the inside up-and-down motion of outer telescopic rod 10, can drive valve clack 5 motion, realize opening and shutting of hard sealed stop valve, need not staff's rotation hand wheel control switch, the manpower has been practiced thrift, and the speed of opening and shutting is fast, can not cause danger because of emergency.

It should be noted that, the utility model is a middle self-tightening hard sealing stop valve, when in use, firstly, the liquid inlet pipe 11 and the liquid outlet pipe 3 are installed completely, when a medium enters from the liquid inlet pipe 11, the valve flap 5 and the connection part of the liquid inlet pipe 11 and the liquid outlet pipe 3 are matched, the medium can be blocked from flowing out of the valve body 1, because of the material problem of the valve flap 5, a small amount of medium leakage can be generated, the wrench 4 can be rotated, the rubber baffle 2 fixedly installed with the wrench 4 is rotated to the position vertical to the direction of the liquid outlet pipe 3, the sealing of the liquid outlet pipe 3 can be realized, through the step, the problem that the hard sealing stop valve can not reach zero leakage is solved, when the valve needs to be opened, the electric telescopic cylinder 8 is started, the inner telescopic rod 7 moves towards the inner part of the outer telescopic rod 10, the valve flap 5 is driven to move upwards, so that the liquid outlet pipe 3 and the liquid inlet pipe 11 form a through state, the wrench 4 is rotated, rotate rubber baffle 2 to the angle parallel with 3 directions of drain pipe, can realize that the medium circulates in this valve body is inside, solved the problem that traditional hard seal stop valve is sealed tight and extravagant manpower, it is comparatively practical.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a middle part is from tight hard seal stop valve, includes valve body (1), its characterized in that: the left end fixed mounting of valve body (1) has drain pipe (3), the top movable mounting of drain pipe (3) has spanner (4), the inside intermediate position activity of drain pipe (3) is provided with rubber baffle (2), rubber baffle (2) fixed mounting is in the bottom position of spanner (4), the right-hand member fixed mounting of valve body (1) has feed liquor pipe (11).

2. The mid-section self-tightening hard seal stop valve according to claim 1, wherein: mounting panel (15) under the top fixed mounting of valve body (1), the top of mounting panel (15) is provided with mounting panel (13) down, mounting panel (15) and last mounting panel (13) have all seted up first through-hole and second through-hole in the left and right sides down, first through-hole cooperatees with first bolt (6), the second through-hole cooperatees with second bolt (12), mounting panel (15) and last mounting panel (13) are through first bolt (6) and second bolt (12) movable mounting down.

3. The mid-section self-tightening hard seal stop valve according to claim 2, wherein: lower mounting panel (15) and last mounting panel (13) intermediate position have all seted up the third through-hole, lower mounting panel (15) and last mounting panel (13) have hollow steel pipe (9) through third through-hole fixed mounting, the top fixed mounting of hollow steel pipe (9) has electronic telescoping cylinder (8), the bottom of electronic telescoping cylinder (8) and the inside fixed mounting that is located hollow steel pipe (9) have outer telescopic link (10), the inside movable mounting of outer telescopic link (10) has interior telescopic link (7).

4. A mid-stop self-tightening hard-seal shut-off valve as defined in claim 3, wherein: the bottom of interior telescopic link (7) is seted up threadedly, the bottom of interior telescopic link (7) is through screw thread movable mounting valve clack (5), the bottom and the passageway that feed liquor pipe (11) and drain pipe (3) formed of valve clack (5) cooperate.

5. A mid-stop self-tightening hard-seal shut-off valve as defined in claim 3, wherein: and a sealing gasket (14) is fixedly arranged on the periphery of the bottom of the hollow steel pipe (9).

6. The mid-section self-tightening hard seal stop valve according to claim 4, wherein: the matched channel that valve clack (5) and feed liquor pipe (11) and drain pipe (3) formed is stainless steel material, rubber baffle (2) are the butadiene acrylonitrile rubber material, and rubber baffle (2) and drain pipe (3) cooperate.

7. A mid-stop self-tightening hard-seal shut-off valve as defined in claim 3, wherein: the length of the hollow steel pipe (9) is equal to that of the outer telescopic rod (10), and the outer telescopic rod (10) is fixedly installed inside the hollow steel pipe (9).

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