CN202691105U - Open-hole valve plate type pneumatic wear-resistant double-gate valve - Google Patents
Open-hole valve plate type pneumatic wear-resistant double-gate valve Download PDFInfo
- Publication number
- CN202691105U CN202691105U CN 201220229348 CN201220229348U CN202691105U CN 202691105 U CN202691105 U CN 202691105U CN 201220229348 CN201220229348 CN 201220229348 CN 201220229348 U CN201220229348 U CN 201220229348U CN 202691105 U CN202691105 U CN 202691105U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve plate
- gate valve
- resistant double
- valve body
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Sliding Valves (AREA)
Abstract
The utility model relates to the technical field of valves, in particular to an open-hole valve plate type pneumatic wear-resistant double-gate valve, and solves the problems that gas in the double-gate valve is leaked and the conveying system cannot normally control the pressure-closing because of the material blocking, easy blocking of the valve cavity and unbalance of the valve plate. The double-gate valve comprises an air cylinder and a valve body which is fixed with the air cylinder through a connecting neck, and is characterized in that the valve body is provided with two elliptical flanges parallel to each other; the two elliptical flanges are respectively provided with a side valve body; a piston rod of the air cylinder passes through the valve body and is connected with a valve plate control rod; the valve plate control rod is provided with an axial body along the direction of feeding and discharging openings; a valve plate is arranged on one side of the axial body; and a valve plate with open holes is arranged on the other side of the axial body, and the valve plate with the open holes is a disc-shaped hollow piece. The double-gate valve is simple in structure, easy to assemble, disassemble and maintain, and can work flexibly; and the valve plate is automatically pressed tightly, so that the double-gate valve is high in sealing performance.
Description
Technical field
The utility model relates to valve technology field, especially relates to the board-like Pneumatic wear resistant double gate valve of perforated valve of all kinds of dust, particle or semifluid medium transport in the industries such as a kind of thermal power plant, metallurgy, medicine, chemical industry.
Background technique
The industries such as thermal power plant, metallurgy, chemical industry adopt a large amount of double gate valves to carry out the conveying of all kinds of dust, particle, the particularly conveying of high temperature larger particles, double gate valve feeding and discharging bore of the prior art is mostly consistent, go out young, be unfavorable for carrying, easily stuck, valve pocket is easily stifled, and heat-resisting quantity is poor, causes leaking or transporting system can't just normally closed pressure.Be a kind of Pneumatic wear resistant double gate valve of CN201787103U such as patent publication No., comprise the pneumatic actuator assembly, be provided with piston rod in the pneumatic actuator assembly, one end of piston rod is provided with the link with the piston rod coaxial line, be provided with the spring seat vertical with piston rod in the link, the spring seat two ends are respectively equipped with flap, two flaps cooperate with two side valve seats respectively, be provided with the valve circle between two side valve seats, two flaps and spring seat are positioned at valve circle middle part containing space, and piston rod is provided with the connection neck towards an end of pneumatic final controlling element cylinder body.And for example patent announcement number is a kind of wear-resistant parallel double-flashboard gate valve of CN101886705A, feature is that corresponding recessed flashboard and protruding flashboard closed end are provided with the chamber that holds at least recessed flashboard and a stroke of protruding flashboard on the valve body, recessed flashboard is provided with the duct identical with cross section, valve body main passage with protruding flashboard, valve body main passage and duct on recessed flashboard and the protruding flashboard matched correspondingly when recessed flashboard was in full open position with protruding flashboard, and porthole edge is along being close to the sealing surface of valve seat.Because the valve plate of material feeding mouth and discharge port needs simultaneously action, the valve body feeding and discharging bore size of these two kinds of structures or identical, relative material feeding mouth, discharge port diminishes certainly relatively.
Summary of the invention
The purpose of this utility model is in order to solve double gate valve because material is stuck, valve pocket easily blocks up, valve plate is uneven, cause leaking and problem that transporting system can't just normally closed pressure, a kind of board-like Pneumatic wear resistant double gate valve of perforated valve of reasonable in design is provided, namely designed the perforate valve plate at discharge port one end, in the gate valve opening process, the valve plate balance is strong, and the open-work area of discharge port is always greater than material feeding mouth.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: the board-like Pneumatic wear resistant double gate valve of a kind of perforated valve, comprise cylinder, by connecting the fixing valve body of neck and cylinder, it is characterized in that described valve body is provided with two oval flanges that are parallel to each other, on two oval flanges the side valve body is housed respectively, the piston rod of cylinder passes valve body and connects valve plate control bar, valve plate control bar is provided with axial body along the feed inlet and outlet direction, axially a side of body is provided with valve plate, axially the opposite side of body is provided with the perforate valve plate, and described perforate valve plate is the disc hollow component.Two parallel oval flanges of valve body will guarantee the maximum moving distance of valve plate in the space that the transverse direction consists of, and namely valve plate can be opened material feeding mouth and discharge port fully.The perforate valve plate is the balanced round structure of a kind of plate-like, and external diameter is identical with valve plate, and balance is strong in work conveying material process.This installs this structure in opening-closing process, and valve plate can produce rotation, so that produce grinding, polishing action between the sealing surface.Because valve body itself is provided with off-centre to logistics corridor, adds this change of via area of perforate valve plate, when opening the drainage material, can produce eddy current, the material vortex of formation can clean valve cavity voluntarily, is conducive to drain material.
As preferably, the center portion of described perforate valve plate is provided with counterbore, and this counterbore cooperates with axial body one end that valve plate control bar is provided with.Counterbore is circular port, axial body and circular port Spielpassung, and in opening process, the perforate valve plate can produce rotation.
As preferably, described connection neck is " worker " font, the upper end is fixed by bolt and cylinder block, the lower end is connected with valve body, connect in the central through bore of neck be respectively equipped with from top to bottom combination seal, perform ring, spring, the endoporus of combination seal, perform encircle endoporus, the spring endoporus cooperates with the external diameter of cylinder piston rod respectively.Upper combination seal can adopt seal ring to add the combinations of materials such as packing, must have the air-proof condition of the enough intensity of tool in the reciprocal passage of piston rod, to guarantee product working life.
As preferably, the central through bore of described connection neck is shoulder hole, and upper combination seal is arranged in the small aperture section of shoulder hole, and the ring that performs is the multidiameter shaft shape, and the ring that performs is in alternately place of central through bore shoulder hole, and spring is arranged in the large aperture section of shoulder hole.The central through bore that connects neck is used for fixing various seal elements, the smaller diameter end external diameter of the ring that performs with is connected neck shoulder hole aperture and cooperates, the larger diameter end encircled of performing be connected the cooperation of neck shoulder hole macropore.
As preferably, described valve body carries out axially locating with the connection part that is connected neck by the boss, the counterbore form that cooperatively interact.Because valve body is axially locating with being connected neck, the diameter of boss, counterbore is greater than the diameter of connection neck central through bore and greater than the aperture at the corresponding position of valve body.
As preferably, described valve body is provided with counterbore at the position that cylinder piston rod passes, be provided with from top to bottom lower gear ring and lower combination seal in the counterbore, the endoporus of lower gear ring cooperates with the external diameter of cylinder piston rod, the large bore dia of shoulder hole that the upper end diameter of lower gear ring is provided with less than connection neck center.The lower gear ring is designed to the multidiameter shaft structure, and upper-end surface and the spring of lower gear ring offset, the upper end external diameter of lower gear ring be connected neck central through bore large aperture and cooperate.
As preferably, the axial body of described valve plate control bar is provided with through hole, and the neutral position of described through hole is provided with stage clip, and the top is equipped with respectively at the two ends of stage clip, and one of them top offsets with valve plate, and another top offsets with the perforate valve plate.The setting of stage clip, cause spring force and make all the time valve plate press to seal ring, allow again valve plate to move in direction vertically, help to compensate the amount of expanding with heat and contract with cold of valve components, and can overcome any economy to the impact of sealing, and prevent that granule medium from entering between the sealing surface.
As preferably, described valve plate is provided with wearing layer with the surface that the side valve body cooperates, and the end face of the side valve body that corresponding valve plate cooperates is provided with seal ring.The valve plate wearing layer can produce rotation in the face of sealing ring surface at the official post valve plate of the frictional force on the tangent direction in opening-closing process, this characteristic makes and produces self-grind, polishing action between the sealing surface.
Effective effect of the present utility model is: when compact structure, valve opened and closed at every turn, valve plate can produce rotation, made the sealing surface of side valve body produce grinding and polishing, had prolonged the working life of valve; Simple in structure, easily assembling, dismounting and maintenance; Be active in one's movements, the valve plate automatic impaction, sealing is high.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is the left TV structure schematic representation of the utility model Fig. 1.
Fig. 3 is the local structure for amplifying schematic representation of the M of the utility model Fig. 1.
Fig. 4 is the local structure for amplifying schematic representation of the N of the utility model Fig. 1.
Fig. 5 is a kind of perforated valve plate structure schematic representation of the present utility model.
Among the figure: 1. side valve body, 2. valve body, 3. seal ring, 4. valve plate 5. comes directly towards, 6. stage clip, 7. valve plate control bar, 8. piston rod 9. plays combination seal, 10. lower gear ring, 11. springs, 12. rings that perform, 13. upper combination seal, 14. cylinder, 15. connect neck, 16. perforate valve plates.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Referring to Fig. 1, Fig. 2, the board-like Pneumatic wear resistant double gate valve of a kind of perforated valve of present embodiment, an if cylinder 14, cylinder block connects the connection neck 15 of " worker " font towards piston rod one end, connect neck 15 and be connected with valve body 2, cylinder piston rod passes connection neck 15 and stretches into a valve plate control of valve body 2 interior connections bar 7, and valve plate control bar 7 is provided with axial body along the feed inlet and outlet direction, axially a side of body is provided with valve plate 4, the perforate valve plate 16 that the opposite side of axial body is established.
Referring to Fig. 3, valve plate control bar 7 axial bodies be axially arranged with through hole, stage clip 6 is equipped with in the neutral position of through hole, top 5 is equipped with respectively at the two ends of stage clip 6, one end of top 5 is the semi-round ball structure, the other end of top 5 is inserted in the stage clip 6, and semi-round ball and the valve plate 4 of a top 5 offset, and the semi-round ball of another top and perforate valve plate 16 offset.
Valve body 2 is provided with two oval flanges that are parallel to each other, on two oval flanges side valve body 1 is housed respectively, one is material feeding mouth in two side valve bodies 1, another is discharge port, material feeding mouth one end cooperates with valve plate 4, the end that side valve body 1 cooperates with valve plate 4 is provided with seal ring 3, and perforate valve plate 16 cooperates with the side valve body of discharge port.
As shown in Figure 5, perforate valve plate 16 is the disc hollow component, and four stiffening ribs are arranged on the breadth, and the central position is provided with counterbore, and this counterbore cooperates with valve plate control bar 7 axial bodies one splaying, and semi-round ball and the counterbore bottom surface of top 5 offset.
It is square connecting neck 15 upper and lower end faces, and fix by bolt and cylinder block, be provided with from top to bottom combination seal 13 in the central through bore of connection neck 15, as shown in Figure 4, the below of upper combination seal 13 is the rings 12 that perform, perform and encircle 12 below shock mount 11, cylinder piston rod passes combination seal 13, ring 12 and spring perform.The central through bore of the connection neck 15 here is shoulder hole, and shoulder hole is up-small and down-big, and upper combination seal 13 is arranged in the small aperture section of shoulder hole; The ring 12 that performs is made the multidiameter shaft shape, and ring 12 reduced diameter sections that perform are positioned at and connect neck 15 central through bore small aperture sections, and spring 11 is positioned at the large aperture section that connects neck 15 central through bores.
Continuation is with reference to figure 4, valve body 2 is provided with counterbore at the position that cylinder 14 piston rods pass, lower gear ring 10 and lower combination seal 9 are housed in the counterbore from top to bottom, the endoporus of lower gear ring 10 cooperates with the crest clearance of cylinder 14 piston rods, a little flange arrangement is established in the upper end of lower gear ring 10, the diameter of this little flange is less than the large bore dia of shoulder hole that connects neck 15 centers, and is positioned at wherein.
During work, cylinder 14 is by pneumatic actuator control, drives valve plates 4 and perforate valve plate 16 by piston rod 8 and valve plate control bar 7 and moves up and down in rectilinear direction.When pneumatic actuator was received signal, cylinder piston rod stretched out, and valve plate control bar 7 drives valve plate 4 and perforate valve plate 16, moves down, and valve plate 4 is closed, and mass transport is closed; When pneumatic actuator is received signal, the piston rod indentation, valve plate control bar 7 drives valve plate 4 and perforate valve plates 16, moves up, and valve plate 4 is opened, and mass transport begins.
Above-described embodiment is to explanation of the present utility model, is not to restriction of the present utility model, any structure after the simple transformation of the present utility model is all belonged to protection domain of the present utility model.
Claims (8)
1. board-like Pneumatic wear resistant double gate valve of perforated valve, comprise cylinder (14), by connecting the fixing valve body (2) of neck (15) and cylinder, it is characterized in that described valve body (2) is provided with two oval flanges that are parallel to each other, side valve body (1) is housed respectively on two oval flanges, the piston rod (8) of cylinder (14) passes valve body (2) and connects valve plate control bar (7), valve plate control bar (7) is provided with axial body along the feed inlet and outlet direction, axially a side of body is provided with valve plate (4), axially the opposite side of body is provided with perforate valve plate (16), and described perforate valve plate (16) is the disc hollow component.
2. the board-like Pneumatic wear resistant double gate valve of perforated valve according to claim 1 is characterized in that the center portion of described perforate valve plate (16) is provided with counterbore, and this counterbore cooperates with axial body one end that valve plate control bar (7) is provided with.
3. the board-like Pneumatic wear resistant double gate valve of perforated valve according to claim 1, it is characterized in that described connection neck (15) is " worker " font, the upper end is fixed by bolt and cylinder block, the lower end is connected with valve body (2), connect in the central through bore of neck (15) be respectively equipped with from top to bottom combination seal (13), the ring (12) that performs, spring (11), the endoporus of combination seal (13), ring (12) endoporus that performs, spring (11) endoporus cooperate with the external diameter of cylinder (14) piston rod respectively.
4. the board-like Pneumatic wear resistant double gate valve of perforated valve according to claim 3, the central through bore that it is characterized in that described connection neck (15) is shoulder hole, upper combination seal (13) is arranged in the small aperture section of shoulder hole, the ring (12) that performs is the multidiameter shaft shape, the ring (12) that performs is in alternately place of central through bore shoulder hole, and spring (11) is arranged in the large aperture section of shoulder hole.
5. according to claim 1 and 2 or the board-like Pneumatic wear resistant double gate valve of 3 or 4 described perforated valves, it is characterized in that described valve body (2) carries out axially locating with the connection part that is connected neck (15) by the boss, the counterbore form that cooperatively interact.
6. the board-like Pneumatic wear resistant double gate valve of perforated valve according to claim 5, it is characterized in that described valve body (2) is provided with counterbore at the position that cylinder (14) piston rod passes, be provided with from top to bottom lower gear ring (10) and lower combination seal (9) in the counterbore, the endoporus of lower gear ring (10) cooperates with the external diameter of cylinder (14) piston rod, the large bore dia of shoulder hole that the upper end diameter of lower gear ring (10) is provided with less than connection neck (15) center.
7. according to claim 1 and 2 or the board-like Pneumatic wear resistant double gate valve of 3 or 4 described perforated valves, the axial body that it is characterized in that described valve plate control bar (7) is provided with through hole, the neutral position of described through hole is provided with stage clip (6), top (5) is equipped with respectively at the two ends of stage clip (6), one of them top offsets with valve plate (4), and another top offsets with perforate valve plate (16).
8. the board-like Pneumatic wear resistant double gate valve of perforated valve according to claim 1 and 2, it is characterized in that described valve plate (4) is provided with wearing layer with the surface that side valve body (1) cooperates, the end face of the side valve body (1) that corresponding valve plate (4) cooperates is provided with seal ring (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220229348 CN202691105U (en) | 2012-05-22 | 2012-05-22 | Open-hole valve plate type pneumatic wear-resistant double-gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220229348 CN202691105U (en) | 2012-05-22 | 2012-05-22 | Open-hole valve plate type pneumatic wear-resistant double-gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202691105U true CN202691105U (en) | 2013-01-23 |
Family
ID=47546729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220229348 Expired - Lifetime CN202691105U (en) | 2012-05-22 | 2012-05-22 | Open-hole valve plate type pneumatic wear-resistant double-gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202691105U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090273A (en) * | 2016-06-20 | 2016-11-09 | 中节能耐磨技术宜兴有限公司 | A kind of pottery double disc inlet valve |
| CN107676500A (en) * | 2017-08-28 | 2018-02-09 | 铜陵百锐设备配件有限公司 | A kind of solar energy spiral compression valve |
| CN107893862A (en) * | 2017-11-15 | 2018-04-10 | 邵丽娃 | A kind of ceramic double disc flying dust valve |
| WO2020254298A1 (en) | 2019-06-21 | 2020-12-24 | Electricite De France | Apparatus for conducting a hydraulic proof test |
-
2012
- 2012-05-22 CN CN 201220229348 patent/CN202691105U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090273A (en) * | 2016-06-20 | 2016-11-09 | 中节能耐磨技术宜兴有限公司 | A kind of pottery double disc inlet valve |
| CN107676500A (en) * | 2017-08-28 | 2018-02-09 | 铜陵百锐设备配件有限公司 | A kind of solar energy spiral compression valve |
| CN107893862A (en) * | 2017-11-15 | 2018-04-10 | 邵丽娃 | A kind of ceramic double disc flying dust valve |
| CN107893862B (en) * | 2017-11-15 | 2019-04-23 | 周常 | A kind of ceramics double disc flying dust valve |
| WO2020254298A1 (en) | 2019-06-21 | 2020-12-24 | Electricite De France | Apparatus for conducting a hydraulic proof test |
| FR3097634A1 (en) | 2019-06-21 | 2020-12-25 | Electricite De France | Set for carrying out a hydraulic test |
| US11578805B2 (en) | 2019-06-21 | 2023-02-14 | Electricite De France | Apparatus for conducting a hydraulic proof test |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202691105U (en) | Open-hole valve plate type pneumatic wear-resistant double-gate valve | |
| US4526195A (en) | Reinforced plastic structure such as a valve | |
| CN101952591A (en) | The valve plate of compressor and be used for the cooling wherein compressed-air actuated method | |
| CN208871344U (en) | A kind of efficient natural gas detection device | |
| CN101297141A (en) | Linear drive for integrated damper | |
| CN201215191Y (en) | Dome valve | |
| CN203809704U (en) | Axial-flow guide type multi-stage pressure-reduction high-pressure angle valve | |
| CN202691104U (en) | Variable-diameter crosspiece-type pneumatic wear-resistant double-body gate valve | |
| CN201310636Y (en) | Air shuttle valve | |
| CN201916572U (en) | Pneumatic and hydraulic cone valve for high-pressure water descaling | |
| CN201818816U (en) | Pendulous ceramic gate valve | |
| CN108626421B (en) | Lifting type wear-resistant valve with protection ring | |
| CN201159297Y (en) | Fixing-ball ball valve | |
| CN110657251A (en) | Series connection valve core double sealing surface multistage pressure reduction regulating valve | |
| CN202301990U (en) | Fluid control device with multiple fluid flowage control components and butterfly valve | |
| CN202790617U (en) | Opening feed valve plate | |
| CN202733033U (en) | All-metal hard sealing type floating ball valve | |
| CN201787103U (en) | Pneumatic wear resistant double gate valve | |
| CN201288846Y (en) | M-shaped pneumatic straight-through diaphragm valve | |
| CN209977296U (en) | Novel gate valve for conveying fly ash | |
| CN113606362A (en) | Pneumatic disc valve for polycrystalline silicon | |
| CN106246650A (en) | A kind of residual pressure recovering equipment with rotary port plate structure | |
| CN202451900U (en) | Right-angle quick closing check valve | |
| CN2106272U (en) | Sluice valve type stop valve | |
| CN202173854U (en) | Pulse valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130123 |