CN220688166U

CN220688166U - Automatic pressure relief single valve seat gate valve

Info

Publication number: CN220688166U
Application number: CN202322319462.7U
Authority: CN
Inventors: 郑联萍
Original assignee: Dinghong Technology Development Zhejiang Co ltd
Current assignee: Dinghong Technology Development Zhejiang Co ltd
Priority date: 2023-08-28
Filing date: 2023-08-28
Publication date: 2024-03-29
Anticipated expiration: 2033-08-28

Abstract

The utility model discloses an automatic pressure relief single-valve seat gate valve which comprises a valve body and a gate, wherein the gate is arranged in the valve body, the top of the gate is fixedly connected with a valve rod, and an automatic pressure relief mechanism is arranged in the valve body and comprises a controller, a pressure gauge, a servo motor, an installation box, an installation block, a driving gear, a driven gear and balls. The utility model relates to the technical field of gate valves, in particular to an automatic pressure relief single-valve seat gate valve, which is characterized in that a servo motor, a driving gear and a driven gear are matched, when the pressure in a pipe reaches a certain value, a controller controls the servo motor to start to drive a driving tooth to rotate, so that a valve rod moves upwards to drive a gate, and the gate is lifted to release the pressure, thereby solving the problem that the pressure cannot be released when no person is watching.

Description

Automatic pressure relief single valve seat gate valve

Technical Field

The utility model relates to the technical field of gate valves, in particular to an automatic pressure relief single-valve seat gate valve.

Background

Gate valves are commonly used to shut off fluid flow entirely or to provide adequate flow in a conduit in the fully open position. Thus, it can be used in either the fully closed position or the fully open position. Gate valves are suitable for most media including steam, water, oil, air, gas, and the like. The traditional gate valve consists of a valve body, two valve seats, a gate plate, a valve rod, a pressing sleeve and a hand wheel for operating the valve, wherein the two valve seats are respectively positioned at two sides of the gate plate to realize sealing, and the valve seats and the gate plate together play a role in closing or limiting fluid flow or allowing the fluid to completely flow through the valve.

When the pressure value is reached by increasing the internal pressure of the pipe in the prior art, a worker needs to manually adjust the hand wheel to open the valve so as to reduce the pressure in the pipe, and the hand wheel is used for starting the gate, so that more labor and time are saved.

In the prior art, a worker sometimes needs to pay attention to the pressure gauge at any time, and the pressure is released manually, if no person looks at the pressure gauge, the pressure cannot be released timely, and danger is caused by the increase of the pressure, so that the danger coefficient is increased.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides an automatic pressure relief single-valve seat gate valve, which solves the problems that in the prior art, staff is sometimes required to pay attention to a pressure gauge at any time, pressure is manually released, if no one looks at the pressure gauge, the pressure cannot be released in time, danger is caused due to pressure increase, and thus the danger coefficient is increased.

In order to achieve the above purpose, the present utility model is realized by the following technical scheme: the utility model provides an automatic single disk seat gate valve of pressure release, includes valve body and gate, the internally mounted of valve body has the gate, the top fixedly connected with valve rod of gate, the inside of valve body is provided with automatic relief mechanism, and automatic relief mechanism includes controller, manometer, servo motor, install bin, installation piece, driving gear, driven gear and ball, the outer wall fixedly connected with of controller is in the outer wall of valve body, the controller electricity is connected with the manometer, the bottom fixedly connected with of manometer is in the outer wall of valve body, and runs through the valve body, the controller electricity is connected with servo motor, servo motor fixedly connected with is in the top of install bin, install bin fixedly connected with is in the top of valve body, servo motor's output fixedly connected with driving gear, and runs through the install bin through first bearing, the outer wall meshing of driving gear is connected with driven gear, the inner wall fixedly connected with installation piece of driven gear, the installation piece passes through the ball and is connected with the inner wall rotation of install piece, the inner wall and the valve rod rotation of installation piece are connected.

Preferably, the outer wall rotation of valve rod is connected with the movable block, the top fixedly connected with hand wheel of movable block, the outer wall of movable block is connected with the fixed plate through the second bearing rotation, the equal fixedly connected with support in bottom four corners of fixed plate, four the bottom fixedly connected with of support is at the top of mounting box.

Preferably, the valve rod penetrates through the pressing plate, and the pressing plate is fixedly connected to the top of the installation box through screws.

Preferably, a gate groove is arranged at the bottom of the inner wall of the valve body.

Preferably, flanges are fixedly connected to two sides of the outer wall of the valve body.

Advantageous effects

The utility model provides an automatic pressure relief single-valve seat gate valve. The beneficial effects are as follows: the automatic pressure relief single valve seat gate valve is matched with the servo motor, the driving gear and the driven gear, when the pressure in the pipe reaches a certain value, the controller can control the servo motor to start, drive the driving gear to rotate, enable the valve rod to move upwards, drive the gate to lift the gate, release the pressure, and therefore the problem that the pressure cannot be released when no person is watching is solved.

Through the cooperation of hand wheel, second bearing and fixed plate, when opening the gate, through the installation piece under the hand wheel with the rotation of fixed plate be connected, at the in-process of lifting gate, the hand wheel can not take place the displacement when rotating, reduced the time of work, increased the efficiency of work.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the appearance structure of the present utility model;

FIG. 3 is a schematic view of the servo motor, driving gear and driven gear of FIG. 1;

fig. 4 is a schematic structural view of the movable block, the second bearing and the fixed plate in fig. 1.

In the figure: 1. valve body, 2, gate, 3, valve rod, 4, movable block, 5, hand wheel, 6, fixed plate, 7, support, 8, controller, 9, manometer, 10, flange, 11, sluice, 12, servo motor, 13, mounting box, 14, driving gear, 15, driven gear, 16, mounting block, 17, ball, 18, clamp plate, 19, screw, 20, first bearing, 21, second bearing.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In view of the above, the utility model provides an automatic pressure relief single-valve seat gate valve, which solves the problems that in the prior art, a worker is sometimes required to pay attention to a pressure gauge at any time, and the pressure is released manually, if no person looks at the pressure gauge, the pressure cannot be released timely, and danger is caused due to the increase of the pressure, so that the danger coefficient is increased.

The components in the present case are sequentially connected by a person skilled in the art, and specific connection and operation sequence should be referred to the following working principle, and the detailed connection means thereof are known in the art, and the following working principle and process are mainly described.

Embodiment one: as can be seen from fig. 1 to 4, an automatic pressure relief single valve seat gate valve comprises a valve body 1 and a gate 2, wherein the gate 2 is installed in the valve body 1, a valve rod 3 is fixedly connected to the top of the gate 2, an automatic pressure relief mechanism is arranged in the valve body 1, the automatic pressure relief mechanism comprises a controller 8, a pressure gauge 9, a servo motor 12, a mounting box 13, a mounting block 16, a driving gear 14, a driven gear 15 and balls 17, the outer wall of the controller 8 is fixedly connected to the outer wall of the valve body 1, the controller 8 is electrically connected with the pressure gauge 9, the controller 8 is arranged to replace manual monitoring, the pressure gauge 9 is arranged to monitor the pressure in a pipeline, the bottom of the pressure gauge 9 is fixedly connected to the outer wall of the valve body 1 and penetrates through the valve body 1, the controller 8 is electrically connected with a servo motor 12, the servo motor 12 is arranged to relieve the manpower, the servo motor 12 is fixedly connected to the top of the mounting box 13, the output end of the servo motor 12 is fixedly connected with a driving gear 14 through a first bearing 20, the outer wall of the driving gear 14 is in meshed connection with the driven gear 15, the inner wall of the driven gear 16 is fixedly connected with the inner wall of the mounting block 16 through the driving gear 16, the inner wall of the driving gear 16 is rotatably connected with the inner wall of the valve rod 3, the valve rod 3 is rotatably arranged in a threaded manner, and the valve rod 3 is rotatably connected with the inner wall of the valve rod 3 is rotatably arranged, and the valve rod is in a threaded connection is meshed with the valve rod 3;

in the specific implementation process, it is worth particularly pointing out that when the pressure in the pipeline increases through the cooperation of the servo motor 12, the driving gear 14 and the driven gear 15, the controller 8 is triggered when the pressure in the pipeline reaches the critical value of the pressure gauge 9, the controller 8 controls the servo motor 12 to drive the driving gear 14, the driven gear 15 drives the mounting block 16, and the valve rod 3 is lifted through the mounting block 16 to drive the gate 2;

further, the outer wall of the valve rod 3 is rotationally connected with a movable block 4, the top of the movable block 4 is fixedly connected with a hand wheel 5, the movable block 4 is arranged to limit the hand wheel 5, the outer wall of the movable block 4 is rotationally connected with a fixed plate 6 through a second bearing 21, the fixed plate 6 is arranged to fix the column hand wheel 5, four corners of the bottom of the fixed plate 6 are fixedly connected with brackets 7, and the bottoms of the four brackets 7 are fixedly connected with the top of the installation box 13;

in the specific implementation process, it is worth particularly pointing out that when the hand wheel 5 is rotated through the cooperation of the hand wheel 5, the second bearing 21 and the fixed plate 6, the movable block 4 below the hand wheel 5 is rotationally connected with the fixed plate 6 through the second bearing 21, so that the hand wheel 5 is not displaced during rotation;

further, the valve rod 3 penetrates through the pressing plate 18, the pressing plate 18 is arranged to seal the installation box 13, and the pressing plate 18 is fixedly connected to the top of the installation box 13 through the screw 19;

in the specific implementation, it is worth particularly pointing out that, under the cooperation of the pressing plate 18, the pressing plate 18 is placed on the top of the installation box 13, and the pressing plate 18 is fixed by using the screws 19;

specifically, when the automatic pressure relief single valve seat gate valve is used, when the pressure in a pipeline is increased, the controller 8 is triggered when the pressure in the pipeline reaches the critical value of the pressure gauge 9, the controller 8 controls the servo motor 12 to drive the driving gear 14, the driven gear 15 drives the mounting block 16, the valve rod 3 is lifted through the mounting block 16 to drive the gate 2 to release the pressure, and when the hand wheel 5 is manually relieved, the hand wheel 5 is not displaced when rotating because the movable block 4 below the hand wheel 5 is rotationally connected with the fixed plate 6 through the second bearing 21.

Embodiment two: as can be seen from fig. 1 to 4, a gate groove 11 is provided at the bottom of the inner wall of the valve body 1, and a rubber pad is installed inside the gate groove 11 to seal;

in the specific implementation process, it is worth particularly pointing out that under the cooperation of the gate groove 11, when the gate 2 falls down, the gate groove is extruded with a rubber pad in the gate groove 11, so that the sealing performance is higher;

further, the two sides of the outer wall of the valve body 1 are fixedly connected with flanges 10, and the flanges 10 are arranged to be connected with a pipeline;

specifically, on the basis of the above embodiment, after the flange 10 is connected with the liquid pipeline, the pressure gauge 9 is used for monitoring the pressure, and the rubber pad is arranged in the sluice 11 more tightly, so that pressure leakage is not caused.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The term "comprising" an element defined by the term "comprising" does not exclude the presence of other identical elements in a process, method, article or apparatus that comprises the element.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

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

Claims

1. The utility model provides an automatic pressure release single valve seat gate valve, includes valve body (1) and gate (2), the internally mounted of valve body (1) has gate (2), its characterized in that: the top of the gate (2) is fixedly connected with a valve rod (3), and an automatic pressure relief mechanism is arranged in the valve body (1);

the automatic pressure relief mechanism comprises a controller (8), a pressure gauge (9), a servo motor (12), a mounting box (13), a mounting block (16), a driving gear (14), a driven gear (15) and balls (17);

the outer wall fixed connection of controller (8) is in the outer wall of valve body (1), the outer wall of controller (8) electricity is connected with manometer (9), the bottom fixed connection of manometer (9) is in the outer wall of valve body (1), and runs through valve body (1), the controller (8) electricity is connected with servo motor (12), servo motor (12) fixed connection is in the top of install bin (13), install bin (13) fixed connection is in the top of valve body (1), the output fixedly connected with driving gear (14) of servo motor (12), and run through install bin (13) through first bearing (20), the outer wall meshing of driving gear (14) is connected with driven gear (15), the inner wall fixedly connected with installation piece (16) of driven gear (15), the inner wall rotation of installation piece (16) through ball (17) and install bin (13) is connected, the inner wall and valve rod (3) rotation of installation piece (16) are connected.

2. The automatic pressure relief single seat gate valve of claim 1, wherein: the outer wall swing joint of valve rod (3) has movable block (4), the top fixedly connected with hand wheel (5) of movable block (4), the outer wall of movable block (4) is connected with fixed plate (6) through second bearing (21) rotation, the equal fixedly connected with support (7) in bottom four corners of fixed plate (6), four the bottom fixedly connected with of support (7) is at the top of install bin (13).

3. The automatic pressure relief single seat gate valve of claim 1, wherein: the valve rod (3) penetrates through the pressing plate (18), and the pressing plate (18) is fixedly connected to the top of the installation box (13) through a screw (19).

4. The automatic pressure relief single seat gate valve of claim 1, wherein: a gate groove (11) is arranged at the bottom of the inner wall of the valve body (1).

5. The automatic pressure relief single seat gate valve of claim 1, wherein: flanges (10) are fixedly connected to two sides of the outer wall of the valve body (1).