CN208249345U - Strong general formula pneumatic conveying combination valve - Google Patents
Strong general formula pneumatic conveying combination valve Download PDFInfo
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- CN208249345U CN208249345U CN201820545332.1U CN201820545332U CN208249345U CN 208249345 U CN208249345 U CN 208249345U CN 201820545332 U CN201820545332 U CN 201820545332U CN 208249345 U CN208249345 U CN 208249345U
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- dredge
- main piston
- auxiliary piston
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Abstract
A kind of strong general formula pneumatic conveying combination valve, including dredge valve and at least one servo valve, dredge valve and servo valve include valve body, auxiliary piston chamber is opened up in valve body, main piston chamber and connection rod cavity, auxiliary piston chamber passes through connection rod cavity and main piston chamber connection, auxiliary piston is installed in auxiliary piston chamber, the intracavitary installation connecting rod of connecting rod, the intracavitary installation main piston of main piston, the both ends of connecting rod can be contacted with auxiliary piston and main piston respectively, the area of auxiliary piston is less than the area of main piston, main piston chamber is divided into ante-chamber and back cavity by main piston, the front end periphery for connecting rod cavity is equipped with annular groove.Its internal ventilation pipeline is few, and the pipeline between its air inlet and gas outlet is straight line pipeline, and gas-flow resistance substantially reduces, thus, air blowing block clearing effect is more preferable.
Description
Technical field
The utility model relates to conveyance conduit dredgers used in a kind of pneumatic material conveying system, specifically
A kind of strong general formula pneumatic conveying combination valve.
Background technique
The widely applied granular material transportation system in the fields such as thermoelectricity, metallurgy, chemical industry, there are the frequent pluggings of material
The problem of.Solution to the problems described above is mostly to install the height communicated with compressed air pipe additional on material conveying pipe at present
Body of calming the anger, which helps, blows valve.When plugging, which is instantaneously filled with a large amount of high pressure gas into conveyance conduit, to blow away object at blocking
Material, keeps pipe unimpeded.It is existing help to blow independent detection device has been required on valve, with realize in time detection material plugging make pressure liter
High phenomenon, and control high pressure gas and be blown into unimpeded.But existing detection device has the disadvantage that 1, it is all by structure
Complicated, expensive electric elements are constituted, with high costs, in addition, electric elements are not suitable with granule materials transportation system work
The bad working environments environment of work, failure rate are high；2, its vent line is exposed to outside valve body, often occurs exposed pipe in use
The problem of road aging or breakage can not be supplied normally；3, its vent line quantity is more and interlaced, and manufacture difficulty is big, cost
Height, operation stability are poor.Therefore, existing high pressure gas helps the actual use demand that valve is not able to satisfy user of blowing.
Utility model content
The purpose of the utility model is to provide a kind of strong general formula pneumatic conveying combination valve, its of simple structure and low cost, fortune
Row is stablized and is not easy gas leakage, can fundamentally solve the problems, such as of the existing technology.
The utility model to achieve the above object, is achieved through the following technical solutions: including dredge valve and at least one from
Dynamic valve, dredge valve and servo valve include valve body, and auxiliary piston chamber, main piston chamber and connection rod cavity, auxiliary piston chamber are opened up in valve body
By connection rod cavity and main piston chamber connection, auxiliary piston, the intracavitary installation connecting rod of connecting rod, main piston chamber are installed in auxiliary piston chamber
The both ends of interior installation main piston, connecting rod can be contacted with auxiliary piston and main piston respectively, and the area of auxiliary piston is less than main piston
Main piston chamber is divided into ante-chamber and back cavity by area, main piston, and the front end periphery for connecting rod cavity is equipped with annular groove, and annular groove can be distinguished
With connect rod cavity and auxiliary piston chamber communicates, auxiliary piston can seal the front end of annular groove, scanty stomatal is opened up in connecting rod, scanty stomatal
Rear end is communicated with back cavity, and aperture is opened up in the front end side wall of connecting rod, and aperture is communicated with scanty stomatal and annular groove respectively, auxiliary piston
Intracavitary installation spring, spring provide thrust backward for auxiliary piston, enable auxiliary piston that main piston is pushed into main work by connecting rod
Chamber rear is filled in, the rear end of valve body installs sealing cover, opens up gas outlet on sealing cover, gas outlet is communicated with main piston chamber, on valve body
Open up air inlet, air inlet is communicated with auxiliary piston chamber, and bypass pipe is arranged on valve body, and bypass pipe is communicated with annular groove, dredge valve and
Bypass pipe on servo valve passes through the mutual connection of connection tracheae, opens up air supply channel in the valve body of dredge valve, air supply channel
The auxiliary piston chamber connection of one end and dredge valve, the other end of air supply channel and the annular groove connection of dredge valve.The valve body of dredge valve
Upper mounting and adjusting bolt, adjustment bolt control main piston chamber from air supply channel to dredge valve air demand.The dredge valve and from
The front end of the auxiliary piston chamber (18) of dynamic valve is respectively mounted the adjustment silk plug for adjustment spring elastic force, and adjustment silk plug (9) can stretch out valve
In vitro.The air inlet of the dredge valve and servo valve is opened on adjustment silk plug, the vent line between air inlet and gas outlet
For straight line pipeline.The rear end face of the main piston of the dredge valve and servo valve is cambered surface.The dredge valve and servo valve go out
Non-return valve is respectively mounted in port.Equal convex edge is arranged in the valve outer wall of the dredge valve and servo valve, and convex edge is close to air inlet side
Valve outer wall on positioning ring is installed, by being threadedly engaged between positioning ring inner wall and valve outer wall, between convex edge and positioning ring
Valve outer wall border roller bearing is installed, connector sleeve is arranged in roller bearing periphery, and one end of connector sleeve and connecting lever connects, connecting lever
The other end and spring pipeline folder connect, connector sleeve can between convex edge and positioning ring along roller bearing axis direction move
It is dynamic.The first sealing ring is respectively mounted between the dredge valve and the connecting rod and connection rod cavity of servo valve.The dredge valve and driven
The second sealing ring is respectively mounted between the main piston and main piston cavity wall of valve.
Utility model has the advantages that it is without any electric elements, it can be real merely with simple mechanical structure
Realize the constantly function of detection and automatic air blowing, manufacturing cost and use cost is cheap, operation is precisely stablized.At one when pipeline obstruction,
Many places scavenging conduit can respond simultaneously, be blown into high pressure gas in pipeline different location, blowing pipeline effect is substantially improved.Its internal dress
There is the connecting rod for opening up scanty stomatal.When line clogging, it utilizes the direct connection high-pressure air source of scanty stomatal and transportation system, by height
Pressurized air source is directly filled with a large amount of high pressure gas into material-transporting system pipeline, reaction fast fast, unimpeded big with instantaneous aeration quantity
Advantage high-efficient, stable, structure is simple and processing is easy to assembly.In addition, it replaces external pipeline with built-in venthole,
The problem of pipeline easy to aging or damaged gas leakage can fundamentally be prevented, it is ensured that can normally supply unimpeded.Its internal ventilation pipeline is few,
And the pipeline between its air inlet and gas outlet is straight line pipeline, gas-flow resistance substantially reduces, thus, air blowing block clearing effect is more
It is good.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of another embodiment of the utility model；
Fig. 3 is the structural schematic diagram that dredge valve described in the utility model is mounted with pipeline folder；
Fig. 4 is the structural schematic diagram that servo valve described in the utility model is mounted with pipeline folder；
Fig. 5 be in Fig. 3 A to enlarged structure schematic diagram；
Fig. 6 is the structural schematic diagram that the utility model is mounted on material conveying pipe.
Specific embodiment
Strong general formula pneumatic conveying combination valve described in the utility model includes dredge valve 201 and at least one servo valve 202,
Dredge valve 201 and servo valve 202 include valve body 1, and auxiliary piston chamber 18, main piston chamber 19 and connection rod cavity 21 are opened up in valve body 1,
For auxiliary piston chamber 18 by connection rod cavity 21 and 19 connection of main piston chamber, auxiliary piston chamber 18 is interior to install auxiliary piston 3, connects in rod cavity 21
Connecting rod 5 is installed, main piston 7 is installed in main piston chamber 19, the both ends of connecting rod 5 can connect with auxiliary piston 3 and main piston 7 respectively
Touching, the area of auxiliary piston 3 are less than the area of main piston 7, and main piston chamber 19 is divided into ante-chamber and back cavity by main piston 7, connect rod cavity
21 front end periphery is equipped with annular groove 22, annular groove 22 can respectively with connect rod cavity 21 and auxiliary piston chamber 18 communicates, 3 energy of auxiliary piston
The front end of annular groove 22 is sealed, opens up scanty stomatal 11 in connecting rod 5, the rear end of scanty stomatal 11 is communicated with back cavity, before connecting rod 5
Aperture 10 is opened up on the wall of end side, aperture 10 is communicated with scanty stomatal 11 and annular groove 22 respectively, spring 2 is installed in auxiliary piston chamber 18,
Spring 2 is that auxiliary piston 3 provides thrust backward, after enabling auxiliary piston 3 that main piston 7 is pushed into main piston chamber 19 by connecting rod 5
Side, the rear end of valve body 1 install sealing cover 16, open up gas outlet 20 on sealing cover 16, gas outlet 20 is communicated with main piston chamber 19, valve
Air inlet 17 is opened up on body 1, air inlet 17 is communicated with auxiliary piston chamber 18, and linked hole 15, linked hole 15 and annular are opened up on valve body 1
Slot 22 communicates, and bypass pipe 203 is arranged on valve body 1, bypass pipe 203 is communicated with annular groove 22, on dredge valve 201 and servo valve 202
Bypass pipe 203 by the mutual connection of connection tracheae 204, air supply channel 12 is opened up in the valve body 1 of dredge valve 201, gas source is logical
The one end in road 12 and 18 connection of auxiliary piston chamber of dredge valve 201, the other end of air supply channel 12 and the annular groove 22 of dredge valve 201
Connection.When installation, by the air inlet 17 of dredge valve 201 and each servo valve 202 and the connection of compressed gas pipeline, gas outlet 20 and object
The scavenging conduit in material conveying tube road is connected.When conveying is normal, the spring 2 of dredge valve 201 and each servo valve 202 passes through 3 He of auxiliary piston
Main piston 7 is pushed into the rear of main piston chamber 19 by connecting rod 5, and auxiliary piston chamber 18 and annular groove 22 are obstructed, in compressed gas pipeline
Compressed gas can only from the air inlet 17 of dredge valve 201 enter auxiliary piston chamber 18, then through air supply channel 12 enter annular groove 22
With scanty stomatal 11, material conveying pipe is discharged into using main piston chamber 19 and from the gas outlet of dredge valve 201 20 later.It dredges at this time
Gas flow in 201 valve body 1 of port valve is limited by the caliber of air supply channel 12, is maintained at tiny flow quantity state.When generation pipeline
When blocking or pipeline are not smooth, pressure rise in material conveying pipe, the main piston chamber 19 of dredge valve 201 and each servo valve 202
Pressure starts to increase therewith, after pressure rise certain numerical value, gas pressure in main piston chamber 19 in formed on main piston 7 to
Preceding thrust makes main piston 7 overcome the elastic force of spring 2 that connecting rod 5 and auxiliary piston 3 is pushed to move forward, at this point, auxiliary piston chamber 18 and master
The gas circuit conducting being linked to be between plunger shaft 19 by annular groove 22, aperture 10 and scanty stomatal 11, high pressure gas is by 201 He of dredge valve
The auxiliary piston chamber 18 of each servo valve 202 is directly entered in main piston chamber 19 by annular groove 22, aperture 10 and scanty stomatal 11, largely
Compressed gas moment from auxiliary piston chamber 18 enter main piston chamber 19, and then enter material conveying pipe, i.e., in material delivery pipe
The multiple scavenging conduit positions in road are blown into a large amount of compressed gas simultaneously, and tamper in material conveying pipe is blown open, keep material conveying extensive
It is multiple normal.After conveying is normal, pressure reduction in material conveying pipe, to make the master of dredge valve 201 and each servo valve 202
Pressure reduction in plunger shaft 19, at this point, auxiliary piston 3 pushes main piston 7 to move back again under the effect of 2 pressure of spring by connecting rod 5
Position, auxiliary piston 3 blocks auxiliary piston chamber 18 and annular groove 22 again, at this point, the path blockade of aperture 10 and auxiliary piston chamber 18, pair is living
Plug 19 liang of chambers of chamber 18 and main piston chamber are no longer communicated through aperture 10 and scanty stomatal 11, and compressed gas is still from the gas of dredge valve 201
Source channels 12 keep tiny flow quantity to annular groove 22.Auxiliary piston chamber of the air supply channel 12 described in the utility model in dredge valve 201
Small conducting gas circuit is formed between 18 and annular groove 22, since annular groove 22 and auxiliary piston chamber 18 are closely located to, the gas
The length on road is shorter, and centre is not required to that multiple inflection points are arranged, and processing technology is simpler, and the both ends of the gas circuit are far from valve body
The material conveying pipe of rear end, the probability blocked by sundries are relatively low.
The utility model, can be on the valve body 1 of dredge valve 201 in order to be finely adjusted to the gas flow in air supply channel 12
Mounting and adjusting bolt 4, adjustment bolt 4 are passed through out of air supply channel 12, can control air supply channel 12 by adjusting the position of bolt 4
To the air demand of main piston chamber 19.
The utility model is finely adjusted for the starting pressure to auxiliary piston 3, can be in the dredge valve 201 and servo valve
The front end installation of 202 auxiliary piston chamber 18 is used for the adjustment silk plug 9 of 2 elastic force of adjustment spring, and adjustment silk plug 9 can stretch out outside valve body 1.
On this basis, the air inlet 17 of the dredge valve 201 and servo valve 202 can be opened on adjustment silk plug 9.In this scheme, into
It is the linear passages being made of auxiliary piston chamber 18, annular groove 22, aperture 10 and scanty stomatal 11, gas between port 17 and gas outlet 20
Flow resistance power is small, and instantaneous gas output is big, can effectively improve the effect of air blowing unimpeded.
The rear end face of the main piston 7 of dredge valve 201 and servo valve 202 described in the utility model can be designed as recessed forward
Cambered surface 23 increases forced area, while increasing stability and precision that main piston 7 is run in main piston chamber 19.
To prevent the fine crushing material in material conveying pipe from entering the main piston chamber 19 of dredge valve 201 and servo valve 202, shadow
It rings and works normally, mountable non-return valve 8 in the gas outlet 20 of dredge valve 201 and servo valve 202 described in the utility model, but defeated
It send in the biggish situation of the pellet of material, non-return valve 8 can omit.
The utility model, can be described for the ease of dredge valve 201 and servo valve 202 to be fixed on material conveying pipe
Convex edge 101, valve body 1 outer wall of the convex edge 101 close to 17 side of air inlet is arranged in 1 outer wall of valve body of dredge valve 201 and servo valve 202
Upper installation positioning ring 102, by being threadedly engaged between 1 outer wall of 102 inner wall of positioning ring and valve body, convex edge 101 and positioning ring 102 it
Between 1 outer wall border of valve body roller bearing 103 is installed, connector sleeve 104, connector sleeve 104 and connecting lever is arranged in 103 periphery of roller bearing
The other end of 105 one end connection, connecting lever 105 is connect with spring pipeline folder 106, and connector sleeve 104 can be in convex edge 101 and positioning
It is moved between ring 102 along the axis direction of roller bearing 103.When installation, material conveying pipe first is clamped in using pipeline folder 106
Tube wall on, the angle of connecting lever 105 itself keeps the axis direction of valve body 1 parallel with scavenging conduit inclined on material conveying pipe, adjust
Position of the homogeneous tube road folder 106 in material conveying pipe axis direction is aligned gas outlet 20 with scavenging conduit nozzle, then rotary valve
Body 1 docks gas outlet 20 by screw thread with scavenging conduit.The structure can valve body 1 to dredge valve 201 and servo valve 202 realize
Stable support avoids the connector between gas outlet 20 and scavenging conduit to undertake the self weight of valve body whole, prevent gas outlet 20 with
Connector lateral force between scavenging conduit and there is the case where poor sealing.Staff can also be effectively reduced simultaneously and dismount inspection
Repair operation difficulty when dredge valve 201 and servo valve 202.
It is described in the utility model to dredge for the air seal effect inside the valve body 1 of enhancing dredge valve 201 and servo valve 202
7 periphery of main piston of port valve 201 and servo valve 202, which can be equipped in the second sealing ring 14 and connecting rod 5, may be provided with the first sealing
Circle 13.
Claims (9)
- The last 1. general formula pneumatic conveying combination valve, it is characterised in that: including dredge valve (201) and at least one servo valve (202), dredge Port valve (201) and servo valve (202) include valve body (1), opened up in valve body (1) auxiliary piston chamber (18), main piston chamber (19) and It connects rod cavity (21), auxiliary piston chamber (18) passes through connection rod cavity (21) and main piston chamber (19) connection, the interior peace of auxiliary piston chamber (18) It fills auxiliary piston (3), connecting rod (5) is installed in connection rod cavity (21), main piston (7) are installed in main piston chamber (19), connecting rod (5) Both ends can be contacted respectively with auxiliary piston (3) and main piston (7), the area of auxiliary piston (3) is less than the area of main piston (7), main Main piston chamber (19) is divided into ante-chamber and back cavity by piston (7), and the front end periphery of connection rod cavity (21) is equipped with annular groove (22), annular Slot (22) can respectively with connect rod cavity (21) and auxiliary piston chamber (18) communicates, auxiliary piston (3) can seal the front end of annular groove (22), It is opened up scanty stomatal (11) in connecting rod (5), the rear end of scanty stomatal (11) is communicated with back cavity, is opened in the front end side wall of connecting rod (5) If aperture (10), aperture (10) is communicated with scanty stomatal (11) and annular groove (22) respectively, and spring is installed in auxiliary piston chamber (18) (2), spring (2) is the thrust of auxiliary piston (3) offer backward, push away auxiliary piston (3) can by connecting rod (5) by main piston (7) To main piston chamber (19) rear, sealing cover (16) are installed in the rear end of valve body (1), open up gas outlet (20) on sealing cover (16), out Port (20) is communicated with main piston chamber (19), is opened up on valve body (1) air inlet (17), air inlet (17) and auxiliary piston chamber (18) phase It is logical, bypass pipe (203) are set on valve body (1), bypass pipe (203) is communicated with annular groove (22), dredge valve (201) and servo valve (202) for the bypass pipe (203) on by connection tracheae (204) mutual connection, the valve body (1) of dredge valve (201) is interior to open up gas Source channels (12), auxiliary piston chamber (18) connection of one end of air supply channel (12) and dredge valve (201), air supply channel (12) it is another Annular groove (22) connection of one end and dredge valve (201).
- 2. strong general formula pneumatic conveying combination valve according to claim 1, it is characterised in that: the valve body (1) of dredge valve (201) Upper mounting and adjusting bolt (4), adjustment bolt (4) control air supply channel (12) to dredge valve (201) main piston chamber (19) confession Tolerance.
- 3. strong general formula pneumatic conveying combination valve according to claim 1, it is characterised in that: the dredge valve (201) and from The front end of the auxiliary piston chamber (18) of dynamic valve (202) is respectively mounted the adjustment silk plug (9) for adjustment spring (2) elastic force, adjusts silk plug (9) valve body (1) can be stretched out outside.
- 4. strong general formula pneumatic conveying combination valve according to claim 3, it is characterised in that: the dredge valve (201) and from The air inlet (17) of dynamic valve (202) is opened in adjustment silk plug (9), the vent line between air inlet (17) and gas outlet (20) For straight line pipeline.
- 5. strong general formula pneumatic conveying combination valve according to claim 1, it is characterised in that: the dredge valve (201) and from The rear end face of the main piston (7) of dynamic valve (202) is cambered surface (23).
- 6. strong general formula pneumatic conveying combination valve according to claim 1, it is characterised in that: the dredge valve (201) and from Non-return valve (8) are respectively mounted in the gas outlet (20) of dynamic valve (202).
- 7. strong general formula pneumatic conveying combination valve according to claim 1, it is characterised in that: the dredge valve (201) and from Equal convex edge (101) is arranged in valve body (1) outer wall of dynamic valve (202), and the valve body (1) of convex edge (101) close air inlet (17) side is outside Positioning ring (102) are installed on wall, by being threadedly engaged between positioning ring (102) inner wall and valve body (1) outer wall, convex edge (101) and Roller bearing (103) are installed in valve body (1) outer wall border between positioning ring (102), and connector sleeve is arranged in roller bearing (103) periphery (104), connector sleeve (104) is connect with one end of connecting lever (105), and the other end and spring the pipeline folder (106) of connecting lever (105) are even It connects, connector sleeve (104) can be mobile along the axis direction of roller bearing (103) between convex edge (101) and positioning ring (102).
- 8. strong general formula pneumatic conveying combination valve according to claim 1, it is characterised in that: the dredge valve (201) and from The connecting rod (5) of dynamic valve (202) is respectively mounted the first sealing ring (13) with connecting between rod cavity (21).
- 9. strong general formula pneumatic conveying combination valve according to claim 1, it is characterised in that: the dredge valve (201) and from The second sealing ring (14) are respectively mounted between the main piston (7) and main piston chamber (19) inner wall of dynamic valve (202).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820545332.1U CN208249345U (en) | 2018-04-17 | 2018-04-17 | Strong general formula pneumatic conveying combination valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820545332.1U CN208249345U (en) | 2018-04-17 | 2018-04-17 | Strong general formula pneumatic conveying combination valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208249345U true CN208249345U (en) | 2018-12-18 |
Family
ID=64637544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820545332.1U Active CN208249345U (en) | 2018-04-17 | 2018-04-17 | Strong general formula pneumatic conveying combination valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208249345U (en) |
-
2018
- 2018-04-17 CN CN201820545332.1U patent/CN208249345U/en active Active
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