CN212056077U - A Y-shaped globe valve with an anti-mistouch mechanism - Google Patents

Abstract

The utility model discloses a Y-shaped cut-off valve with an anti-mistouch mechanism, comprising a cut-off valve main body, wherein the cut-off valve main body comprises a handwheel, a valve stem, a valve seat and a valve body, and the inner surface wall of the handwheel passes through The limit screw is screwed and connected with a thread, a limit ring is fixedly installed on the outer wall of the valve seat, and the inner wall of the limit ring is provided with a threaded hole for screw connection with the limit screw. In the utility model, after the handwheel drives the valve stem to reach the designated position, the limit screw is rotated to move the limit screw to the limit ring until the limit screw is screwed with the threaded hole on the inner surface of the limit ring, so that This restricts the axial rotation of the handwheel, thereby realizing the positioning of the handwheel. Similarly, by turning the limit screw in the opposite direction to make it detach from the limit ring, the normal rotation of the handwheel can be realized, and the valve stem can be prevented from being driven by external force. Abnormal rotation occurs, thereby improving the stability of the use of the Y-type globe valve.

Description

A Y-shaped globe valve with an anti-mistouch mechanism

technical field

The utility model relates to the technical field of Y-shaped cut-off valves, in particular to a Y-shaped cut-off valve with an anti-mistouch mechanism.

Background technique

Flanged steel Y-type globe valve (Arui valve) is suitable for pipelines in various working conditions such as petroleum, chemical, pharmaceutical, fertilizer, and electric power industries with nominal pressure PN1.6 ~ 6.4Mpa and working temperature of -29 ~ 550 ℃ , cut off or connect the medium. Applicable media are: water, oil, steam, acidic media, etc. Operation modes are: manual, pneumatic.

At present, there are still some deficiencies in the existing Y-type globe valve. First, most of the handwheel and valve stem mechanisms on the existing Y-type globe valve lack an anti-mistouch mechanism, and the Y-type globe valve is operated by the handwheel. Drive the valve stem to rotate to realize the drive, so the handwheel is easily driven by external force to drive the valve stem to rotate abnormally, thus reducing the stability of the Y-type globe valve; The pipeline is screwed together, and the sealing between the Y-type globe valve and the external pipeline is poor, which reduces the use effect of the Y-type globe valve.

Utility model content

The purpose of the present utility model is to propose a Y-shaped cut-off valve with an anti-mistouch mechanism in order to solve the above problems.

In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

A Y-shaped cut-off valve with an anti-mistouch mechanism, comprising a cut-off valve body, the cut-off valve body includes a handwheel, a valve stem, a valve seat and a valve body, and the inner surface wall of the handwheel is connected by screw threads. A limit screw is installed on the outer wall of the valve seat, and a limit ring is fixedly installed on the outer wall of the valve seat, and the inner wall of the limit ring is provided with a threaded hole that is screwed and connected with the limit screw.

As a further description of the above technical solutions:

Both sides of the horizontal end of the valve body are rotatably connected with a sealing mechanism, and the sealing mechanism is composed of a first clamping block and a second clamping block that are rotatably connected. The surface walls are fixedly installed with a sealing gasket, and the vertical ends of the first clamping block and the second clamping block are fixedly connected by positioning bolts.

As a further description of the above technical solutions:

The valve seat and the valve body are integrally stamped and formed.

As a further description of the above technical solutions:

The threaded holes are provided with multiple groups, and the threaded holes of the groups are distributed in an annular shape.

As a further description of the above technical solutions:

The first clamping block and the second clamping block are both semicircular structures.

As a further description of the above technical solutions:

A rotating shaft seat is fixedly installed on the outer wall of the bottom of the valve body, and the rotating shaft seat is rotatably connected with the sealing mechanism through the rotating shaft.

To sum up, due to the adoption of the above-mentioned technical solutions, the beneficial effects of the present utility model are:

1. In the present utility model, after the handwheel drives the valve stem to the designated position, the limit screw is rotated to move the limit screw to the limit ring until the limit screw is screwed into the threaded hole on the inner surface of the limit ring. , so as to limit the axial rotation of the handwheel, thereby realizing the positioning of the handwheel, avoiding the abnormal rotation of the valve stem caused by the external force of the handwheel, thereby improving the stability of the Y-type globe valve.

2. In the present invention, after the valve body and the external pipeline are screwed together, the first clamping block and the second clamping block in the control sealing mechanism are closed and fixed by positioning bolts. The gasket layer will closely fit the connection between the valve body and the external pipeline, so as to improve the sealing performance of the connection, thereby improving the use effect of the Y-shaped globe valve.

Description of drawings

1 shows a schematic structural diagram provided according to an embodiment of the present invention;

FIG. 2 shows a schematic structural diagram of a sealing mechanism provided according to an embodiment of the present invention;

FIG. 3 shows a schematic structural diagram of a limit ring and a threaded hole provided according to an embodiment of the present invention.

illustration:

1. Globe valve body; 101, hand wheel; 102, valve stem; 103, valve seat; 104, valve body; 2, sealing mechanism; 201, first clamping block; 202, second clamping block; 3, thread Hole; 4. Limiting screw; 5. Limiting ring; 6. Sealing pad; 7. Positioning bolt.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-3, the present utility model provides a technical solution: a Y-shaped cut-off valve with an anti-mistouch mechanism, comprising a cut-off valve body 1, and the cut-off valve body 1 includes a handwheel 101, a valve stem 102, a valve The seat 103 and the valve body 104, the inner wall of the handwheel 101 is connected to the limit screw 4 by screwing, the outer wall of the valve seat 103 is fixedly installed with a limit ring 5, and the inner wall of the limit ring 5 is provided with a limit screw 4. Rotate the connected threaded hole 3, and rotate the limit screw 4 to move the limit screw 4 to the limit ring 5 until the limit screw 4 is screwed with the threaded hole 3 on the inner surface of the limit ring 5, thereby limiting The axial rotation of the handwheel 101 further realizes the positioning of the handwheel 101 .

Specifically, as shown in FIG. 1 and FIG. 2 , both sides of the horizontal end of the valve body 104 are rotatably connected with a sealing mechanism 2 , and the sealing mechanism 2 is composed of a first clamping block 201 and a second clamping block 202 that are rotatably connected. The inner surface walls of the first clamping block 201 and the second clamping block 202 are fixedly installed with a sealing gasket 6 , and the vertical ends of the first clamping block 201 and the second clamping block 202 are fixedly connected by positioning bolts 7 , After the valve body 104 is screwed with the external pipe, the first clamping block 201 and the second clamping block 202 in the control sealing mechanism 2 are closed and fixed by the positioning bolts 7. At this time, the sealing mechanism of the inner surface wall of the sealing mechanism 2 is sealed The cushion layer 6 is closely attached to the connection between the valve body 104 and the external pipeline, so as to improve the sealing performance of the connection.

Specifically, as shown in FIG. 1 , the valve seat 103 and the valve body 104 are integrally stamped and formed, which ensures the structural strength of the globe valve body 1 .

Specifically, as shown in FIG. 3 , there are multiple groups of threaded holes 3 , and the threaded holes 3 of the groups are distributed in an annular shape, so that the positioning of multiple positions of the handwheel 101 can be realized.

Specifically, as shown in FIG. 2 , the first clamping block 201 and the second clamping block 202 are both semicircular structures, which fit the structural features of the external pipeline and the valve body 104 to ensure tightness of the combination.

Specifically, as shown in FIG. 1 , a rotating shaft seat is fixedly installed on the outer wall of the bottom of the valve body 104 , and the rotating shaft seat is rotatably connected with the sealing mechanism 2 through the rotating shaft, so that the sealing mechanism 2 can rotate normally without affecting the connection between the external pipeline and the valve body 104 . normal connection.

Working principle: When in use, after the handwheel 101 drives the valve stem 102 to reach the designated position, rotate the limit screw 4 to make the limit screw 4 move to the limit ring 5 until the limit screw 4 and the limit ring 5 inner surface The threaded hole 3 of the wall is screwed together to limit the axial rotation of the handwheel 101, thereby realizing the positioning of the handwheel 101, avoiding the abnormal rotation of the valve stem 102 caused by the external force of the handwheel 101, thereby improving the Y-type globe valve. For the stability of use, after the valve body 104 is screwed with the external pipeline, the first clamping block 201 and the second clamping block 202 in the control sealing mechanism 2 are closed and fixed by the positioning bolts 7. At this time, the sealing mechanism 2 The gasket layer 6 of the inner surface wall will closely fit at the connection between the valve body 104 and the external pipeline, so as to improve the sealing performance of the connection, thereby improving the use effect of the Y-shaped globe valve.

The above are only the preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims (6)

1. The utility model provides a Y type stop valve with prevent mistake and touch mechanism, includes stop valve main part (1), its characterized in that, stop valve main part (1) is including hand wheel (101), valve rod (102), disk seat (103) and valve body (104), the table wall closes soon through the screw thread in hand wheel (101) and is connected with stop screw (4), disk seat (103) outward appearance wall fixed mounting has spacing ring (5), just screw hole (3) of closing soon with stop screw (4) and being connected are seted up to the table wall in spacing ring (5).

2. The Y-shaped stop valve with the false touch prevention mechanism is characterized in that sealing mechanisms (2) are rotatably connected to two sides of the horizontal end of the valve body (104), each sealing mechanism (2) is composed of a first clamping block (201) and a second clamping block (202) which are rotatably connected, sealing cushion layers (6) are fixedly mounted on the inner surface walls of the first clamping block (201) and the second clamping block (202), and the vertical ends of the first clamping block (201) and the second clamping block (202) are fixedly connected through positioning bolts (7).

3. The Y-shaped stop valve with the false touch prevention mechanism is characterized in that the valve seat (103) and the valve body (104) are integrally formed in a punching mode.

4. The Y-shaped stop valve with the false touch prevention mechanism is characterized in that multiple groups of threaded holes (3) are arranged, and the threaded holes (3) are distributed annularly.

5. The Y-shaped stop valve with the false touch prevention mechanism is characterized in that the first clamping block (201) and the second clamping block (202) are of semicircular structures.

6. The Y-shaped stop valve with the false touch prevention mechanism is characterized in that a rotating shaft seat is fixedly mounted on the outer surface wall of the bottom of the valve body (104), and the rotating shaft seat is rotatably connected with the sealing mechanism (2) through a rotating shaft.

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