CN216643107U

CN216643107U - Sealed effectual forged gate valve

Info

Publication number: CN216643107U
Application number: CN202220155778.XU
Authority: CN
Inventors: 杨洋
Original assignee: Heilongjiang Muling Power Station Valve Co ltd
Current assignee: Heilongjiang Muling Power Station Valve Co ltd
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-05-31
Anticipated expiration: 2032-01-20

Abstract

The utility model relates to the technical field of forged gate valves and discloses a forged gate valve with a good sealing effect; the forged gate valve with a good sealing effect comprises a gate valve mechanism and two groups of fixing mechanisms, wherein the two groups of fixing mechanisms are symmetrically arranged and are respectively positioned on the left side and the right side of the gate valve mechanism; two fixed establishment include the backup pad of symmetric distribution, two sets of backup pad opposite sides all are provided with cylinder and horizontal pole, two cylinders with the horizontal pole outer wall is provided with fixed block and carriage respectively, this thing is novel to be set up fixed establishment, fixed establishment can be behind valve body and pipeline flange joint, drive the fixed block through promoting the carriage and rotate, two backup pad opposite sides are provided with the cylinder, the backup pad opposite side sets up the horizontal pole, the horizontal pole outer wall sets up the carriage, receive the control of second steering wheel, sleeve and sealed section of thick bamboo are held down each other simultaneously, ensure that first gate and second gate only can open along the rivers flow direction, effectively avoid the phenomenon of backward flow.

Description

Sealed effectual forged gate valve

Technical Field

The utility model belongs to the technical field of forged gate valves, and particularly relates to a forged gate valve with a good sealing effect.

Background

The gate valve is a shutter plate, the moving direction of which is perpendicular to the fluid direction, and the gate valve can only be fully opened and fully closed, but cannot be adjusted and throttled. Gate valves are sealed by the contact of the valve seat and gate plate, and the sealing surface is usually welded with metal materials to increase wear resistance, such as 1Cr13, STL6, stainless steel, etc. The gate plate is divided into a rigid gate plate and an elastic gate plate, and the gate valve is divided into a rigid gate valve and an elastic gate valve according to the difference of the gate plates.

The existing forged gate valve has certain disadvantages in use, a flange connection mode is often adopted when the existing forged gate valve is connected with a pipeline, and a sealing strip is additionally arranged, but after the existing forged gate valve is used for a long time, the sealing strip is easy to deform, so that the sealing property of the joint of the forged gate valve and the pipeline is poor; therefore, improvements are now needed in view of the current situation.

SUMMERY OF THE UTILITY MODEL

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides a forged gate valve with a good sealing effect, which effectively solves the problem that the sealing performance of the joint of the forged gate valve and a pipeline is poor due to the fact that the sealing strip is easy to deform after long-term use because a flange connection mode is often adopted when the existing forged gate valve is connected with the pipeline and the sealing strip is additionally arranged.

In order to achieve the purpose, the utility model provides the following technical scheme: a forged gate valve with a good sealing effect comprises a gate valve mechanism and two groups of fixing mechanisms, wherein the two groups of fixing mechanisms are symmetrically arranged and are respectively positioned on the left side and the right side of the gate valve mechanism;

two fixed establishment include the backup pad of symmetric distribution, and two sets of backup pads opposite sides all are provided with cylinder and horizontal pole, two cylinders with the horizontal pole outer wall is provided with fixed block and carriage respectively.

Preferably, two fixed blocks run through respectively the carriage, two fixed block bottoms all are provided with the rubber pad.

Preferably, the gate valve mechanism comprises a valve body, and the two groups of supporting plates are connected with the valve body.

Preferably, the left side and the right side of the valve body are both provided with flange plates, and the top of the valve body is provided with a support column.

Preferably, the outer wall of the support column is provided with a sleeve, and the outer wall of the support column is provided with a sealing block.

Preferably, the sleeve outer wall is provided with a first gate, the support column top is provided with the stand, the stand bottom runs through the support column is provided with a sealed section of thick bamboo.

Preferably, the outer wall of the sealing cylinder is provided with a second gate, and the outer wall of the supporting column and the outer wall of the upright column are respectively provided with a first steering wheel and a second steering wheel.

Compared with the prior art, the utility model has the beneficial effects that: the valve body is connected with a pipeline flange, the fixing mechanism can drive the fixing blocks to rotate by pushing the supporting frames after the valve body is connected with the pipeline flange, the opposite sides of the two supporting plates are provided with the cylinders, the outer walls of the cylinders are provided with the fixing blocks, the opposite sides of the supporting plates are provided with the cross rods, the outer walls of the cross rods are provided with the supporting frames, the cylinders and the cross rods respectively support the fixing blocks and the supporting frames, and when the supporting frames are rotated, the supporting frames drive the fixing blocks to rotate by taking the cylinders as circle centers, so that one side of the fixing blocks, far away from the cylinders, contacts with the flange plate arranged on the pipeline, and the sealing performance of the connection between the valve body and the pipeline is stabilized.

The utility model is provided with a gate valve mechanism, the gate valve mechanism adopts a structure provided with a first gate and a second gate, a first gate connecting sleeve is connected with a supporting column and controlled by a first steering wheel, a second gate connecting sealing cylinder is connected with an upright column and controlled by a second steering wheel, and meanwhile, the sleeve and the sealing cylinder are clamped mutually, so that the first gate and the second gate can be ensured to be opened only along the flow direction of water, and the backflow phenomenon is effectively avoided.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

In the drawings:

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

FIG. 2 is a schematic view of a first gate according to the present invention;

FIG. 3 is a schematic view of a securing mechanism of the present invention;

in the figure: 1. a gate valve mechanism; 2. a fixing mechanism; 100. a valve body; 101. a support pillar; 102. a first steering wheel; 103. a column; 104. a second steering wheel; 105. a sealing block; 106. a sleeve; 107. a first gate; 108. a sealing cylinder; 109. a second gate; 110. a flange plate; 200. a support plate; 201. a fixed block; 202. a cross bar; 203. and (4) supporting the frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, a forged gate valve with good sealing effect includes a gate valve mechanism 1 and a fixing mechanism 2.

Referring to fig. 1, two sets of fixing mechanisms 2 are symmetrically disposed, and the two sets of fixing mechanisms 2 are respectively located on the left and right sides of the gate valve mechanism 1.

Referring to fig. 1 and 3, the two fixing mechanisms 2 include symmetrically distributed support plates 200, two sets of support plates 200 are provided with columns and cross rods 202 on opposite sides, the cross rods 202 and the columns are fixedly connected with the support plates 200 and support and limit the fixed blocks 201 and the support frames 203, the outer walls of the two columns and the cross rods 202 are respectively provided with the fixed blocks 201 and the support frames 203, the two fixed blocks 201 respectively penetrate through the support frames 203, rubber pads are arranged at the bottoms of the two fixed blocks 201, the fixed blocks 201 penetrate through the support frames 203, when the support frames 203 are rotated, the support frames 203 drive the fixed blocks 201 to rotate, and the rubber pads can increase friction coefficients contacting with pipelines.

Referring to fig. 1 and 3, a gate valve mechanism 1 includes a valve body 100, two sets of support plates 200 are connected to the valve body 100, a flange 110 is disposed on each of the left and right sides of the valve body 100, the flange 110 is fixedly connected to the valve body 100, a support column 101 is disposed on the top of the valve body 100, the support column 101 is movably connected to the valve body 100, a sleeve 106 is disposed on the outer wall of the support column 101, the sleeve 106 is fixedly connected to the support column 101, a sealing block 105 is disposed on the outer wall of the support column 101, the sealing block 105 is movably connected to the support column 101, a first gate 107 is disposed on the outer wall of the sleeve 106, the sleeve 106 is fixedly connected to the first gate 107, a column 103 is disposed on the top of the support column 101, a sealing cylinder 108 is disposed on the bottom of the column 103 through the support column 101, the column 103 is movably connected to the support column 101, the sealing cylinder 108 is fixedly connected to the column 103, a second gate 109 is disposed on the outer wall of the sealing cylinder 108, a first steering wheel 102 and a second steering wheel 104 are disposed on the outer walls of the support column 101 and the column 103, the second shutter 109 is fixedly connected to the sealing cylinder 108, the support column 101 is fixedly connected to the first steering wheel 102, and the pillar 103 is fixedly connected to the second steering wheel 104.

The working principle is as follows: the valve body 100 is attached to the pipeline, the support frame 203 is rotated to the opposite side to clamp the pipeline, the pipeline and the attachment position of the valve body 100 are Gunn tight, after the pipeline and the valve body 100 are fixed, the mounting screws penetrate through the flange plates 110 arranged on the pipeline and the valve body 100 to be completely fixed, when the gate valve is opened, the first direction plate 102 and the second direction plate 104 are rotated in the opposite direction, the support column 101 and the upright post 103 drive the sleeve 106 and the sealing cylinder 108 to drive the first gate 107 and the second gate 109 to be opened respectively, and the first gate 107 and the second gate 109 can be opened from only one direction, so that the effect of preventing backflow is achieved.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments 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 a sealed effectual forging gate valve, includes gate valve mechanism (1) and fixed establishment (2), its characterized in that: two groups of fixing mechanisms (2) are symmetrically arranged, and the two groups of fixing mechanisms (2) are respectively positioned on the left side and the right side of the gate valve mechanism (1);

the two fixing mechanisms (2) comprise symmetrically distributed supporting plates (200), the opposite sides of the two groups of supporting plates (200) are respectively provided with a cylinder and a cross rod (202), and the outer walls of the two cylinders and the outer wall of the cross rod (202) are respectively provided with a fixing block (201) and a supporting frame (203).

2. The forged gate valve with good sealing effect of claim 1, wherein: two fixed blocks (201) run through respectively braced frame (203), two fixed block (201) bottoms all are provided with the rubber pad.

3. The forged gate valve with good sealing effect of claim 1, wherein: the gate valve mechanism (1) comprises a valve body (100), and two groups of supporting plates (200) are connected with the valve body (100).

4. The forged gate valve with good sealing effect of claim 3, wherein: the left side and the right side of the valve body (100) are both provided with flange plates (110), and the top of the valve body (100) is provided with a support column (101).

5. The forged gate valve with good sealing effect of claim 4, wherein: the outer wall of the supporting column (101) is provided with a sleeve (106), and the outer wall of the supporting column (101) is provided with a sealing block (105).

6. The forged gate valve with good sealing effect of claim 5, wherein: the outer wall of the sleeve (106) is provided with a first gate (107), the top of the supporting column (101) is provided with a vertical column (103), and the bottom of the vertical column (103) penetrates through the supporting column (101) and is provided with a sealing cylinder (108).

7. The forged gate valve with good sealing effect of claim 6, wherein: and a second gate (109) is arranged on the outer wall of the sealing cylinder (108), and a first steering wheel (102) and a second steering wheel (104) are respectively arranged on the outer walls of the supporting column (101) and the upright column (103).