CN118224329A - Double-flashboard gate valve - Google Patents
Double-flashboard gate valve Download PDFInfo
- Publication number
- CN118224329A CN118224329A CN202410503333.XA CN202410503333A CN118224329A CN 118224329 A CN118224329 A CN 118224329A CN 202410503333 A CN202410503333 A CN 202410503333A CN 118224329 A CN118224329 A CN 118224329A
- Authority
- CN
- China
- Prior art keywords
- valve body
- channel
- body seat
- gate
- double
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000006073 displacement reaction Methods 0.000 claims abstract description 20
- 238000007789 sealing Methods 0.000 claims description 25
- 230000009977 dual effect Effects 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 10
- 239000007787 solid Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 230000005514 two-phase flow Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/029—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with two or more gates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0254—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor being operated by particular means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding Valves (AREA)
Abstract
The invention discloses a double-flashboard gate valve, which comprises: two valve body seats that conveying passage and back set up, every the flashboard is installed to the outside of valve body seat still includes: the valve body seat moves along the inner cavity of the displacement channel, a control shaft is arranged in the middle of the displacement channel, a clamping connector at the end part of the control shaft is clamped between the two valve body seats, and a jacking block I is fixed between the two valve body seats at the bottom of the delivery channel; the replacing channels are arranged on two sides of the displacement channel, a second ejector block is fixed on the inner wall of the displacement channel corresponding to the valve body seat, and the contact surface of the second ejector block and the valve body seat is obliquely arranged. According to the invention, the gate plate to be replaced can be detached from the valve body seat by opening the maintenance cover plate positioned at the replacement channel, and a new gate plate is installed, so that the medium can be normally conveyed by the conveying channel at the moment, and the influence on the normal operation of the pipeline is avoided.
Description
Technical Field
The invention relates to the technical field of gate valves, in particular to a double-gate-plate gate valve.
Background
The pneumatic conveying sintered dust-removing ash belongs to the gas-solid two-phase flow category. The movement of gas and solid particles in a conveying pipe relates to various conditions such as air flow speed distribution, solid particles and pipe wall friction, and the like, and has complex conditions and large abrasion on conveying system components. The valve is a key component of the pneumatic conveying system, so that the performance of the valve has a great influence and decisive effect on the conveying efficiency of the pneumatic conveying system and whether the pneumatic conveying system can normally operate, and the valve problem is one of main reasons for causing the problems of the existing pneumatic conveying system.
The pneumatic conveying adopts full sealing, no leakage, no pollution and high system working reliability, and is fully automatic. The valve (feeding and discharging valve) serving as a key part for pneumatic ash conveying is extremely easy to wear and damage at the sealing part and fails due to material scouring and corrosion, so that the system stops running to influence the normal operation of the whole production system.
Disclosure of Invention
Based on the above technical problem, it is necessary to provide a dual-gate valve, which pushes two valve body seats to move down to the conveying channel through the control shaft, at this time, the two valve body seats are limited by the first ejector block and move to two sides, the gate plate at this time seals the closed pipeline to the conveying channel, the control shaft drives the clamping head and the valve body seat to move up to the replacing channel, at this time, the top of the valve body seat contacts with the second ejector block and pushes the valve body seat and the gate plate to move towards the inside of the replacing channel, at this time, the gate plate to be replaced can be detached from the valve body seat by opening the maintenance cover plate at the replacing channel, and a new gate plate is installed, at this time, the conveying channel can normally convey media, and the normal operation of the pipeline is prevented from being influenced.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
A dual gate valve comprising: two valve body seats that conveying passage and back set up, every the flashboard is installed in the outside of valve body seat, two the valve body seat is along the direction of perpendicular to conveying passage removal still includes:
the valve body seat moves along the inner cavity of the displacement channel, a control shaft is arranged in the middle of the displacement channel, a clamping connector at the end part of the control shaft is clamped between the two valve body seats, and a jacking block I is fixed between the two valve body seats at the bottom of the delivery channel;
the replacing channel is arranged on two sides of the displacement channel, a second ejector block is fixed on the inner wall of the displacement channel corresponding to the valve body seat, and the contact surface of the second ejector block and the valve body seat is obliquely arranged and used for pushing the valve body seat moving towards the second ejector block to the replacing channel.
As a preferred implementation mode of the double-flashboard gate valve provided by the invention, one end of the control shaft, which is far away from the valve body seat, is provided with a driving piece for controlling the control shaft to move along the axial direction of the control shaft, the opening of the replacement channel is provided with a maintenance cover plate, and the driving piece drives the control shaft to reciprocate along the axis of the control shaft, so that the control of the valve body seat is realized.
As a preferred implementation mode of the double-gate valve provided by the invention, the valve body seat is connected with the gate through the fixed bolt assembly, two side surfaces of the first top block are obliquely arranged, the gate and the valve body seat are convenient to detach, install and replace through the fixed bolt assembly, the gate is convenient to replace, and when the valve body seat moves downwards to be contacted with the first top block, the valve body seat is pushed through the side surface of the first top block and drives the gate to squeeze and seal a conveying channel, so that sealing efficiency is provided.
As a preferred implementation mode of the double-flashboard gate valve provided by the invention, the clamping connector is of a T-shaped structure, the T-shaped clamping connector is clamped with the tops of the two valve body seats, the valve body seats are driven to move up and down through the clamping connector, and the valve body seats can normally move towards two sides.
As a preferred implementation mode of the double-flashboard gate valve provided by the invention, the top of each valve body seat is provided with a top inclined plane close to the second position of the top block, and when the valve body seat moves upwards and contacts with the second position of the top block, the second position of the top block pushes the top inclined plane and the valve body seat to the outside to seal the replacement channel.
As a preferred implementation mode of the double-gate-plate gate valve provided by the invention, one side, close to a gate plate, of each valve body seat is provided with a sealing plate, the outer ring of each sealing plate is provided with a sealing ring, when the valve body seat transversely moves to seal a replacement channel, the sealing plates and the sealing rings seal the replacement channel, so that a side opening space is formed on the side surface of the replacement channel at the gate plate conveniently, and the gate plate is convenient to detach and replace.
As a preferred implementation mode of the double-flashboard gate valve provided by the invention, the outer side of the sealing plate is provided with a plurality of separation grooves, so that the sealing plate and the flashboard can be conveniently separated, and the flashboard used for a long time can be conveniently detached and installed.
As a preferred implementation mode of the double-gate valve provided by the invention, the double-gate valve further comprises an unloading mechanism arranged in the replacing channel, wherein the unloading mechanism comprises clamping plates embedded in the side wall of the replacing channel and a pull rod fixed with the clamping plates, the clamping plates are connected in a sliding manner along the axial direction of the replacing channel, the end parts, close to the gate plates, of the clamping plates are provided with anti-skidding patterns, and the two clamping plates are driven to move towards the middle part of the replacing channel through the control of the pull rod, so that the gate plates are clamped and fixed, the detached gate plates are conveniently moved out, and new gate plates are pushed into the replacing channel to be installed, and the gate plates are conveniently detached.
As a preferred implementation mode of the double-gate valve provided by the invention, a swivel is arranged in the middle of the replacement channel, the end part of each pull rod extends to the side wall of the swivel, an inclined block is fixed on the swivel at the side surface of the pull rod, the pull rod and the inclined block are obliquely arranged at the corresponding side, the swivel is rotated to drive the two inclined blocks to move towards the inclined side surface of the pull rod, and the two pull rods are moved towards the middle of the replacement channel, so that the clamping plate is controlled to clamp the gate plate, and the operation is convenient.
As a preferable implementation mode of the double-flashboard gate valve provided by the invention, a rotating handle is fixed on the outer side of the swivel so as to facilitate the rotation control of the swivel.
Compared with the prior art, the invention has the following beneficial effects:
1. According to the double-gate-plate gate valve provided by the invention, the two valve body seats are pushed to move downwards to the conveying channel through the control shaft, the two valve body seats are limited by the first ejector block and move to two sides, the gate plate is used for plugging a closed pipeline to the conveying channel, the control shaft drives the clamping head and the valve body seat to move upwards to the replacing channel, the top of the valve body seat is contacted with the second ejector block, the valve body seat and the gate plate are pushed to move towards the inside of the replacing channel, the gate plate to be replaced can be detached from the valve body seat by opening the maintenance cover plate positioned at the replacing channel, and a new gate plate is installed, so that the conveying channel can normally convey media, and the normal operation of the pipeline is prevented from being influenced.
2. According to the double-gate valve provided by the invention, when the worn gate needs to be disassembled and replaced, the valve body seat and the gate are driven to move upwards through the control shaft and the clamping connector, when the top inclined surface on the valve body seat contacts the second ejector block, the valve body seat, the sealing plate and the sealing ring are pushed to seal the replacement channel, the outside maintenance cover plate of the replacement channel is opened at the moment, the gate is exposed, the valve body can be normally used at the moment, the gate is disassembled and replaced, and the normal uninterrupted transportation and use of a pipeline can be realized by replacing the gate under the condition that the normal work of the valve body is not influenced.
3. According to the double-flashboard gate valve provided by the invention, the rotating ring is rotated to drive the two inclined blocks to move towards the inclined side faces of the pull rods, and the two pull rods are moved towards the middle part of the replacing channel, so that the flashboard is clamped by the control clamping plate, and the operation is convenient.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the overall structure provided by the present invention;
FIG. 2 is a cross-sectional view of a portion of the structure provided by the present invention;
FIG. 3 is a schematic view of a top slope and a top block according to the present invention;
FIG. 4 is a schematic diagram of the unloading mechanism according to the present invention when clamping a shutter;
FIG. 5 is a schematic view of the unloading mechanism according to the present invention;
fig. 6 is a cross-sectional view of an unloading mechanism provided by the present invention.
The labels in the figures are illustrated below:
1. a conveying channel; 2. replacing the channel; 3. a displacement channel; 4. maintaining the cover plate; 5. a driving member; 6. a control shaft; 7. a valve body seat; 8. a flashboard; 9. a first ejector block; 10. a fixing bolt assembly; 11. a top ramp; 12. a second ejector block; 13. an unloading mechanism; 14. a clamping plate; 15. a pull rod; 16. a swivel; 17. a sealing plate; 18. a seal ring; 19. a sloping block; 20. and a clamping joint.
Detailed Description
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
As described in the background art, after the shutter is worn, the pipeline transportation work is required to be stopped, then the shutter in the valve body is detached and replaced, the shutdown maintenance is required, the maintenance period is long, and the pipeline transportation work is affected.
Specifically, referring to fig. 1 to 6, a dual gate valve includes: two valve body seats 7 that conveying passageway 1 and back set up, every flashboard 8 is installed to the outside of valve body seat 7, two valve body seat 7 are along the direction of perpendicular to conveying passageway 1 removal still includes:
The displacement channel 3 is communicated with the conveying channel 1, the valve body seat 7 moves along the inner cavity of the displacement channel 3, the control shaft 6 is arranged in the middle of the displacement channel 3, the clamping connector 20 positioned at the end part of the control shaft 6 is clamped between the two valve body seats 7, and the top block I9 is fixed between the two valve body seats 7 at the bottom of the conveying channel 1;
The replacing channel 2 is arranged on two sides of the replacing channel 3, a second top block 12 is fixed on the inner wall of the replacing channel 3 corresponding to the valve body seat 7, and the contact surface of the second top block 12 and the valve body seat 7 is obliquely arranged so as to push the valve body seat 7 moving towards the second top block 12 to the replacing channel 2.
According to the double-gate valve provided by the invention, the two valve body seats 7 are pushed to move downwards to the position of the conveying channel 1 through the control shaft 6, at the moment, the two valve body seats 7 are limited by the first ejector block 9 and move towards two sides, the gate plate 8 at the moment seals a closed pipeline for the conveying channel 1, the control shaft 6 drives the clamping head 20 and the valve body seat 7 to move upwards to the position of the replacing channel 2, at the moment, the top of the valve body seat 7 is contacted with the second ejector block 12 and pushes the valve body seat 7 and the gate plate 8 to move inwards towards the replacing channel 2, at the moment, the gate plate 8 to be replaced can be detached from the valve body seat 7 by opening the maintenance cover plate 4 at the position of the replacing channel 2, and a new gate plate 8 is installed, at the moment, the conveying channel 1 can normally convey media, and the normal operation of the pipeline is prevented from being influenced.
In order to make the person skilled in the art better understand the solution of the present invention, the technical solution of the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings.
It should be noted that, under the condition of no conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
Examples
Referring to fig. 1 to 3, a dual gate valve is disclosed, a conveying channel 1 and two valve body seats 7 are arranged in a back-rest manner, a gate 8 is installed on the outer side of each valve body seat 7, the two valve body seats 7 move along the direction vertical to the conveying channel 1, the conveying channel 1 is plugged by the gate 8 on the valve body seat 7, the valve body seat 7 and the gate 8 are connected through a fixing bolt assembly 10, two side surfaces of a top block 9 are obliquely arranged, the gate 8 and the valve body seat 7 are conveniently detached and installed and replaced through the fixing bolt assembly 10, the gate 8 is conveniently replaced, and when the valve body seat 7 moves downwards to contact the top block 9, the valve body seat 7 is pushed and drives the gate 8 to squeeze and plug the conveying channel 1 through the side surface of the top block 9, so that plugging efficiency is provided, and a maintenance cover plate 4 is installed at the opening of the replacement channel 2.
It should be noted that, as shown in fig. 2 to 4, the displacement channel 3 is communicated with the conveying channel 1, the valve body seats 7 move along the inner cavity of the displacement channel 3, the control shaft 6 is installed in the middle of the displacement channel 3, the clamping connector 20 at the end of the control shaft 6 is clamped between the two valve body seats 7, the clamping connector 20 is in a T-shaped structure, the T-shaped clamping connector 20 is clamped with the tops of the two valve body seats 7, the valve body seats 7 are driven to move up and down through the clamping connector 20, and the valve body seats 7 can normally move towards two sides.
And, the bottom of conveying passageway 1 is located and is fixed with kicking block one 9 between two valve body seats 7, and driving piece 5 is installed to the one end that valve body seat 7 was kept away from to control shaft 6 to be used for controlling the axial displacement of control shaft 6 along control shaft 6, drive control shaft 6 along its axis reciprocating motion through driving piece 5, thereby realize the control to valve body seat 7, driving piece 5 can be the cylinder.
In addition, as shown in fig. 3, the replacing channel 2 is installed on two sides of the displacing channel 3, a second top block 12 is fixed on the inner wall of the displacing channel 3 corresponding to the valve body seat 7, the contact surface between the second top block 12 and the valve body seat 7 is inclined, so as to push the valve body seat 7 moving towards the second top block 12 towards the replacing channel 2, a top inclined surface 11 is arranged on the top of each valve body seat 7 near the second top block 12, and when the valve body seat 7 moves upwards and contacts the second top block 12, the second top block 12 of the inclined surface pushes the top inclined surface 11 and the valve body seat 7 to block the replacing channel 2 outwards.
The sealing plate 17 is arranged on one side of each valve body seat 7, which is close to the flashboard 8, the sealing ring 18 is arranged on the outer ring of the sealing plate 17, when the valve body seat 7 transversely moves to block the replacing channel 2, the sealing plate 17 and the sealing ring 18 block the replacing channel 2 at the moment, a side opening space is formed on the side face of the replacing channel 2 at the flashboard 8 conveniently, and the flashboard 8 is convenient to detach and replace.
Through the above-mentioned structural design, when needing to dismantle the replacement to flashboard 8 after wearing and tearing, drive valve body seat 7 and flashboard 8 through control shaft 6 and joint 20 and move upwards, when top inclined plane 11 on the valve body seat 7 contacts kicking block two 12, promote valve body seat 7 and closing plate 17 and sealing washer 18 and carry out the shutoff to change passageway 2, the outside maintenance apron 4 of changing passageway 2 is opened this moment, expose flashboard 8, the valve body normal use this moment, dismantle and replace flashboard 8, can change flashboard 8 under the circumstances that does not influence valve body normal work, realize the normal uninterrupted transportation of pipeline and use.
Preferably, as shown in fig. 5, a plurality of separation grooves are formed on the outer side of the sealing plate 17, so that the sealing plate 17 and the flashboard 8 can be separated conveniently, and the flashboard 8 which is used for a long time can be detached and installed conveniently.
Examples
The double-gate valve provided in embodiment 1 is further optimized, as shown in fig. 3 to 5, the double-gate valve further comprises an unloading mechanism 13 installed in the replacing channel 2, the unloading mechanism 13 comprises a clamping plate 14 embedded in the side wall of the replacing channel 2 and a pull rod 15 fixed with the clamping plate 14, the clamping plate 14 is in sliding connection with the replacing channel 2 along the axial direction, the end part of the clamping plate 14, which is close to the gate plate 8, is provided with anti-skidding patterns, and the two clamping plates 14 are driven to move towards the middle part of the replacing channel 2 by controlling the pull rod 15, so that the gate plate 8 is clamped and fixed, the detached gate plate 8 is conveniently moved out, and a new gate plate 8 is pushed into the replacing channel 2 to be installed, so that the gate plate 8 is conveniently detached.
It should be noted that, as shown in fig. 6, a swivel 16 is disposed in the middle of the replacing channel 2, and the end of each pull rod 15 extends to the side wall of the swivel 16, a bevel block 19 is fixed on the swivel 16 at the side of the pull rod 15, and the pull rod 15 is obliquely disposed at one side corresponding to the bevel block 19, and the swivel 16 is rotated to drive the two bevel blocks 19 to move towards the oblique side of the pull rod 15, so that the two pull rods 15 move towards the middle of the replacing channel 2, thereby controlling the clamping plate 14 to clamp the flashboard 8, so as to facilitate operation.
Preferably, as shown in fig. 4 and 5, a rotation handle is fixed to the outer side of the swivel 16, so as to facilitate rotation control of the swivel 16.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
It is apparent that the above-described embodiments are only some embodiments of the present invention, but not all embodiments, and the preferred embodiments of the present invention are shown in the drawings, which do not limit the scope of the patent claims. This invention may be embodied in many different forms, but rather, embodiments are provided in order to provide a thorough and complete understanding of the present disclosure. Although the invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing description, or equivalents may be substituted for elements thereof. All equivalent structures made by the content of the specification and the drawings of the invention are directly or indirectly applied to other related technical fields, and are also within the scope of the invention.
Claims (10)
1. A dual gate valve comprising: two valve body seats (7) that conveying passage (1) and back set up, every flashboard (8) are installed in the outside of valve body seat (7), two valve body seat (7) are along the direction of perpendicular to conveying passage (1) removal, its characterized in that still includes:
The valve body seat (7) moves along the inner cavity of the displacement channel (3), a control shaft (6) is arranged in the middle of the displacement channel (3), a clamping connector (20) positioned at the end part of the control shaft (6) is clamped between the two valve body seats (7), and a jacking block I (9) is fixed between the two valve body seats (7) at the bottom of the conveying channel (1);
the replacement channel (2), the both sides of displacement channel (3) are installed in replacement channel (2), the inner wall of displacement channel (3) is fixed with kicking block two (12) with valve body seat (7) corresponding position, kicking block two (12) and the contact surface slope setting of valve body seat (7) are used for pushing towards valve body seat (7) that kicking block two (12) were located to replacement channel (2) department.
2. A double gate valve according to claim 1, characterized in that the end of the control shaft (6) remote from the valve body seat (7) is provided with a driving member (5) for controlling the axial movement of the control shaft (6) along the control shaft (6), and that the opening of the replacement channel (2) is provided with a service cover plate (4).
3. The double-gate valve according to claim 2, wherein the valve body seat (7) and the gate (8) are connected through a fixing bolt assembly (10), and two side surfaces of the top block one (9) are obliquely arranged.
4. A double gate valve according to claim 3, characterized in that the clamping head (20) is of T-shaped construction, the T-shaped clamping head (20) being clamped to the tops of the two valve body seats (7).
5. A double gate valve according to claim 4, characterized in that the top of each valve body seat (7) is provided with a top bevel (11) close to the top block two (12).
6. A double-gate valve according to claim 1, characterized in that each valve body seat (7) is provided with a sealing plate (17) on the side close to the gate (8), and the outer ring of the sealing plate (17) is provided with a sealing ring (18).
7. A double gate valve according to claim 6, characterized in that the outside of the sealing plate (17) is provided with a plurality of dividing grooves.
8. The double-gate valve according to claim 6, further comprising an unloading mechanism (13) installed in the replacing channel (2), wherein the unloading mechanism (13) comprises a clamping plate (14) embedded in the side wall of the replacing channel (2) and a pull rod (15) fixed with the clamping plate (14), the clamping plate (14) is in sliding connection along the axial direction of the replacing channel (2), and the end part of the clamping plate (14) close to the gate (8) is provided with anti-skidding patterns.
9. The double-gate valve according to claim 8, wherein a swivel (16) is provided at the middle of the replacement channel (2), and the end of each pull rod (15) extends to the side wall of the swivel (16), an oblique block (19) is fixed on the swivel (16) at the side of the pull rod (15), and the pull rod (15) is obliquely arranged at the side corresponding to the oblique block (19).
10. A double gate valve according to claim 9, characterized in that a turning handle is fixed outside the swivel (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410503333.XA CN118224329A (en) | 2024-04-25 | 2024-04-25 | Double-flashboard gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410503333.XA CN118224329A (en) | 2024-04-25 | 2024-04-25 | Double-flashboard gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118224329A true CN118224329A (en) | 2024-06-21 |
Family
ID=91500877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410503333.XA Pending CN118224329A (en) | 2024-04-25 | 2024-04-25 | Double-flashboard gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118224329A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118881756A (en) * | 2024-09-27 | 2024-11-01 | 凯瑞特阀业集团有限公司 | A bidirectional gate valve with high sealing performance |
-
2024
- 2024-04-25 CN CN202410503333.XA patent/CN118224329A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118881756A (en) * | 2024-09-27 | 2024-11-01 | 凯瑞特阀业集团有限公司 | A bidirectional gate valve with high sealing performance |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109707865A (en) | Four clack types of one kind are without friction ball valve | |
| CN118224329A (en) | Double-flashboard gate valve | |
| CN111720569A (en) | Flat gate valve | |
| CN217381704U (en) | Novel ball valve | |
| CN117326332B (en) | Energy-saving ash conveying system | |
| CN201787105U (en) | Totally enclosed lift type flow passage gate valve | |
| CN209977301U (en) | Four-valve-clack type friction-free ball valve | |
| CN216009555U (en) | Two-action self-compensating seal valve | |
| CN219588132U (en) | Fluorine-lined stop valve | |
| CN118881331A (en) | Gate Valves for Geothermal Wellheads | |
| CN218992674U (en) | Connection structure for valve and ceramic double-flashboard material conveying valve applying same | |
| CN204985950U (en) | Compound wear -resisting rotatory mill valve | |
| CN217463319U (en) | Distribution valve | |
| CN107606211B (en) | Columnar valve core type gate valve with alloy sealing structure | |
| CN201787103U (en) | Pneumatic wear resistant double gate valve | |
| CN214456804U (en) | A kind of oil and gas recovery vacuum pump and oil dispenser with moving exchange valve to switch airflow direction | |
| CN118499489B (en) | Pipe clamp type groove butterfly valve | |
| CN223662626U (en) | A penetrating pneumatic slurry gate valve | |
| CN222479631U (en) | Full-sealed gate valve for ash discharging | |
| CN223563515U (en) | Ash discharge valve | |
| CN208546532U (en) | Novel pneumatic shut-off valve | |
| CN223635420U (en) | A three-way ball valve for slurry supply in a silicon rod multi-wire cutting machine | |
| CN220791490U (en) | Prevent leaking and prevent gear pump of impurity | |
| CN206206638U (en) | A kind of oscillatory valve | |
| CN203516764U (en) | Pneumatic fap type charging valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |