CN214999511U

CN214999511U - Reduced pressure vacuum stop valve

Info

Publication number: CN214999511U
Application number: CN202121565240.8U
Authority: CN
Inventors: 陈丰
Original assignee: Zhejiang Futai Valve Technology Co ltd
Current assignee: Zhejiang Futai Valve Technology Co ltd
Priority date: 2021-07-08
Filing date: 2021-07-08
Publication date: 2021-12-03
Anticipated expiration: 2031-07-08

Abstract

The utility model discloses a reduced pressure vacuum stop valve, the power distribution valve comprises a valve, the subassembly that falls to flow is installed to the one end of valve, the outside rigid coupling of lead screw has the handle, the outer wall threaded connection of lead screw has the bent plate, the outer wall of bent plate rigid coupling at row's import, row's import is linked together with the valve. This pressure drop vacuum stop valve, it rotates the handle and drives the lead screw rotation, and move to the inboard in the bent plate, the lead screw passes through the rotating member at the turning block internal rotation, it moves to the inboard in row's import to drive the rubber pole, the rubber pole of both sides drives the arc respectively and moves to the inboard in row's import, make row's import inner wall narrow, make the medium pressure drop that gets into in the valve, avoid the inside closure of valve to damage, current vacuum stop valve when using has been solved, because can not reduce the pressure, make the pressure flow too big and cause the problem of the inside closure damage of valve body.

Description

Reduced pressure vacuum stop valve

Technical Field

The utility model relates to a vacuum stop valve technical field specifically is a reduced pressure vacuum stop valve.

Background

The vacuum stop valve and the flange gate valve belong to the same type of valve, and are different from the prior art that a closing part of the vacuum stop valve and the flange gate valve is a valve body, the valve body rotates around the center line of the valve body to open and close, and the gate valve is mainly used for cutting off, distributing and changing the flow direction of a medium in a pipeline.

But current vacuum stop valve is when using because can not reduce the flowing pressure for flowing pressure is too big and causes the problem of the inside closure damage of valve body, has current vacuum stop valve simultaneously, adopts flange joint more, and the connection speed is slow, influences the problem of use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a reduced pressure vacuum stop valve to current vacuum stop valve that proposes in solving above-mentioned background art is when using, owing to can not reduce the flowing pressure, makes the flowing pressure too big and causes the problem of the inside closing member damage of valve body.

In order to achieve the above object, the utility model provides a following technical scheme: a reduced pressure vacuum stop valve comprises a valve, wherein a reduced pressure assembly is arranged at one end of the valve;

the flow reducing assembly comprises a screw rod;

the outside rigid coupling of lead screw has the handle, the outer wall threaded connection of lead screw has the bent plate, the bent plate rigid coupling is at the outer wall of arranging the import, it is linked together with the valve to arrange the import, the inboard of lead screw is rotated with the turning block through the rotating member and is linked to each other, the inboard rigid coupling of turning block has the rubber pole, the outer wall of rubber pole closely laminates with the outside inner wall of arranging the import, the inboard rigid coupling of rubber pole has the arc. The inner wall of the discharge port is narrowed, so that the medium entering the valve is subjected to pressure reduction, and the closing member inside the valve is prevented from being damaged.

Preferably, the other end of the valve is communicated with a discharge port, and the middle of the upper part of the valve is communicated with a vertical cylinder. The medium passing through the valve is discharged through the discharge opening.

Preferably, a first circular plate is fixedly connected to the outer wall of the upper portion of the vertical cylinder, and a second circular plate is arranged at the top end of the first circular plate. The second circular plate is arranged on the first circular plate, and a sealing gasket is arranged in the second circular plate to achieve a sealing effect.

Preferably, one end of the discharge port is provided with a connecting component;

the connecting assembly comprises a semicircular plate;

the outside rigid coupling of semicircle board has the otic placode, the inner wall clearance fit of otic placode has first bolt, the top outer wall threaded connection of first bolt has first nut, the inner wall of semicircle board closely laminates and has the rubber circle, the inner wall of rubber circle closely laminates with the inboard outer wall of pipeline and row's import respectively, the pipeline is linked together with row's import. The pipeline is quickly connected with the discharge port, and the normal use of the valve is ensured.

Preferably, a mounting assembly is mounted above the second circular plate;

the mounting assembly includes a disk;

the utility model discloses a valve, including disc, inner wall, threaded rod, outer wall, first plectane, second plectane, the bottom of disc is middle rigid coupling threaded rod, inner wall threaded connection in the middle of the outer wall of threaded rod and the top of second plectane, the below of threaded rod sets up the inner chamber at the valve, the outside of threaded rod is equipped with a plurality of second bolts, the outer wall of second bolt all with the outside inner wall clearance fit of first plectane and second plectane, the equal threaded connection of top outer wall of second bolt has the second nut. The closure member on the threaded rod is conveniently mounted in the valve.

Compared with the prior art, the beneficial effects of the utility model are that: compared with the prior art, the pressure-reducing vacuum stop valve has the following advantages:

through the cooperation between the valve and the flow reducing assembly, the rotating handle drives the screw rod to rotate and move inwards in the curved plate, the screw rod rotates in the rotating block through the rotating piece to drive the rubber rod to move inwards in the discharge port, the rubber rods on two sides respectively drive the arc-shaped plates to move inwards in the discharge port, so that the inner wall of the discharge port is narrowed, the medium entering the valve is subjected to flow pressure reduction, the damage of a closing piece in the valve is avoided, and the problem that the closing piece in the valve is damaged due to the fact that the flow pressure is too large because the flow pressure cannot be reduced when the existing vacuum stop valve is used is solved;

through the valve, cooperation between the coupling assembling, overlap the rubber circle on pipeline and row's import, pass two otic placodes of both sides respectively with the first bolt of both sides, and install the first nut that corresponds, make the semicircle board of both sides connect, the semicircle board of both sides gives the inboard power of rubber circle, make the rubber circle hug closely at the pipeline with arrange the outer wall of import, make pipeline and row's import high-speed joint, guarantee valve normal use, current vacuum stop valve has been solved, adopt flange joint more, and connection speed is slow, influence the problem of using.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the arrangement of the inlet, the rubber rods and the arcuate plate of FIG. 1;

FIG. 3 is a schematic view of the semicircular plate, the rubber ring and the pipe in FIG. 1;

fig. 4 is a schematic structural view of the screw, the rotary block and the rubber rod in fig. 1.

In the figure: 1. valve, 2, vertical cylinder, 3, discharge port, 4, downflow assembly, 401, lead screw, 402, handle, 403, curved plate, 404, discharge port, 405, rotary block, 406, rubber rod, 407, arc plate, 5, connecting assembly, 501, semicircular plate, 502, ear plate, 503, first bolt, 504, first nut, 505, rubber ring, 506, pipeline, 6, mounting assembly, 601, disc, 602, threaded rod, 603, second bolt, 604, second nut, 7, first circular plate, 8, second circular plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a vacuum stop valve for reducing flow pressure comprises a valve 1, one end of the valve 1 is provided with a flow reducing assembly 4, the flow reducing assembly 4 comprises a screw rod 401, the outer side of the screw rod 401 is fixedly connected with a handle 402, the outer wall of the screw rod 401 is in threaded connection with a curved plate 403, the handle 402 is rotated to drive the screw rod 401 to rotate and move towards the inner side in the curved plate 403, the curved plate 403 is fixedly connected with the outer wall of a discharge port 404, the discharge port 404 is communicated with the valve 1, the inner side of the screw rod 401 is rotatably connected with a rotating block 405 through a rotating part, the rotating part is a bearing, the inner side of the rotating block 405 is fixedly connected with a rubber rod 406, the outer wall of the rubber rod 406 is tightly attached to the inner wall of the discharge port 404, the rubber rod 406 avoids leakage of the discharge port 404, the rubber rod 406 is made of a steel rod with rubber material coated on the outer wall, the inner side of the rubber rod 406 is fixedly connected with an arc-shaped plate 407, the rubber rods 406 on two sides respectively drive the arc-shaped plates 407 to move towards the inner side in the discharge port 404, the inner wall of the inlet 404 is narrowed to reduce the pressure of the medium entering the valve 1.

The other end of the valve 1 is communicated with a discharge port 3, the medium passing through the valve 1 is discharged through the discharge port 3, and the middle of the upper part of the valve 1 is communicated with a vertical cylinder 2.

A first circular plate 7 is fixedly connected to the outer wall of the upper portion of the vertical cylinder 2, a second circular plate 8 is arranged at the top end of the first circular plate 7, the second circular plate 8 is installed on the first circular plate 7, and a sealing gasket is arranged in the second circular plate 8 to achieve a sealing effect.

One end of the row inlet 404 is provided with a connecting component 5, the connecting component 5 comprises a semi-circular plate 501, an ear plate 502 is fixedly connected with the outer side of the semi-circular plate 501, a first bolt 503 is in clearance fit with the inner wall of the ear plate 502, a first nut 504 is in threaded connection with the outer wall of the upper part of the first bolt 503, the first bolts 503 on two sides respectively penetrate through the two ear plates 502 on two sides, and the corresponding first nuts 504 are installed to connect the semicircular plates 501 at both sides, the inner walls of the semicircular plates 501 are tightly attached with the rubber rings 505, the inner walls of the rubber rings 505 are respectively tightly attached with the inner side outer walls of the pipeline 506 and the row inlet 404, the semicircular plates 501 at both sides apply inward force to the rubber rings 505 to tightly attach the rubber rings 505 to the outer walls of the pipeline 506 and the row inlet 404, so that the pipeline 506 is quickly connected with the row inlet 404, the rubber ring 505 seals the joint of the pipeline 506 and the inlet 404, the pipeline 506 is communicated with the inlet 404, and the medium in the pipeline 506 is discharged into the valve 1 through the inlet 404.

The mounting assembly 6 is mounted above the second circular plate 8, the mounting assembly 6 comprises a circular plate 601, a threaded rod 602 is fixedly connected to the middle of the bottom end of the circular plate 601, the outer wall of the threaded rod 602 is in threaded connection with the inner wall of the middle of the upper portion of the second circular plate 8, the lower portion of the threaded rod 602 is arranged in the inner cavity of the valve 1, seven second bolts 603 are arranged on the outer side of the threaded rod 602, the outer walls of the second bolts 603 are in clearance fit with the inner walls of the outer sides of the first circular plate 7 and the second circular plate 8, second nuts 604 are in threaded connection with the outer wall of the upper portion of the second bolts 603, the threaded rod 602 on the second circular plate 8 penetrates through the vertical cylinder 2 and is arranged in the valve 1, the second circular plate 8 is close to the first circular plate 7, a sealing gasket is arranged between the second circular plate 8 and the first circular plate 7 to achieve a sealing effect, the seven second bolts 603 sequentially penetrate through the second circular plate 8 and the first circular plate 7 and are mounted with corresponding second nuts 604, the second circular plate 8 is attached to the first circular plate 7.

When the pressure reducing vacuum stop valve is used, firstly, a threaded rod 602 on a second circular plate 8 is manually arranged in the valve 1 through a vertical cylinder 2, at the moment, the second circular plate 8 is close to a first circular plate 7, a sealing gasket is arranged between the second circular plate 8 and the first circular plate 7 to achieve a sealing effect, seven second bolts 603 sequentially pass through the second circular plate 8 and the first circular plate 7, corresponding second nuts 604 are arranged, the second circular plate 8 is arranged on the first circular plate 7, a rubber ring 505 is sleeved on a pipeline 506 and a discharge port 404, first bolts 503 on two sides respectively pass through two lug plates 502 on two sides, corresponding first nuts 504 are arranged to connect the semi-circular plates 501 on two sides, the semi-circular plates 501 on two sides apply force to the rubber ring 505, the rubber ring 505 is tightly attached to the outer walls of the pipeline 506 and the discharge port 404, the pipeline 506 is quickly connected with the discharge port 404, and the rubber ring 505 seals the connection part of the pipeline 506 and the discharge port 404, the medium in the pipeline 506 is discharged into the valve 1 through the discharge port 404, the rotating disc 601 drives the threaded rod 602 to rotate reversely, so that the closing member below the threaded rod 602 moves upwards in the valve 1, the medium passing through the valve 1 is discharged through the discharge port 3, when the handle 402 is manually rotated to drive the lead screw 401 to rotate and move inwards in the curved plate 403, the lead screw 401 rotates in the rotating block 405 through the rotating member to drive the rubber rod 406 to move inwards in the discharge port 404, the rubber rods 406 at two sides respectively drive the arc-shaped plates 407 to move inwards in the discharge port 404, the inner wall of the discharge port 404 is narrowed, and the medium entering the valve 1 is subjected to pressure reduction.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A reduced pressure vacuum shut-off valve, includes valve (1), its characterized in that: one end of the valve (1) is provided with a flow reducing assembly (4);

the flow reducing assembly (4) comprises a screw rod (401);

the outside rigid coupling of lead screw (401) has handle (402), the outer wall threaded connection of lead screw (401) has bent plate (403), the outer wall of bent plate (403) rigid coupling at row's import (404), row's import (404) is linked together with valve (1), the inboard of lead screw (401) is passed through the rotating member and is rotated piece (405) and link to each other, the inboard rigid coupling of piece (405) has rubber pole (406), the outer wall of rubber pole (406) closely laminates with the outside inner wall of row's import (404), the inboard rigid coupling of rubber pole (406) has arc (407).

2. A pressure reducing vacuum shut-off valve according to claim 1, wherein: the other end of the valve (1) is communicated with a discharge port (3), and the middle of the upper part of the valve (1) is communicated with a vertical cylinder (2).

3. A pressure reducing vacuum shut-off valve according to claim 2, wherein: the outer wall of the upper part of the vertical cylinder (2) is fixedly connected with a first circular plate (7), and the top end of the first circular plate (7) is provided with a second circular plate (8).

4. A pressure reducing vacuum shut-off valve according to claim 1, wherein: one end of the row inlet (404) is provided with a connecting component (5);

the connection assembly (5) comprises a semicircular plate (501);

the outside rigid coupling of semicircle board (501) has otic placode (502), the inner wall clearance fit of otic placode (502) has first bolt (503), the top outer wall threaded connection of first bolt (503) has first nut (504), the inner wall of semicircle board (501) closely laminates rubber ring (505), the inner wall of rubber ring (505) closely laminates with the inboard outer wall of pipeline (506) and row's import (404) respectively, pipeline (506) are linked together with row's import (404).

5. A pressure reducing vacuum shut-off valve according to claim 3, wherein: a mounting assembly (6) is arranged above the second circular plate (8);

the mounting assembly (6) comprises a disc (601);

rigid coupling threaded rod (602) in the middle of the bottom of disc (601), inner wall threaded connection in the middle of the outer wall of threaded rod (602) and the top of second plectane (8), the below of threaded rod (602) sets up the inner chamber at valve (1), the outside of threaded rod (602) is equipped with a plurality of second bolts (603), the outer wall of second bolt (603) all with the outside inner wall clearance fit of first plectane (7) and second plectane (8), the equal threaded connection of top outer wall of second bolt (603) has second nut (604).