CN206159530U - Calotte feed valve - Google Patents
Calotte feed valve Download PDFInfo
- Publication number
- CN206159530U CN206159530U CN201620970474.3U CN201620970474U CN206159530U CN 206159530 U CN206159530 U CN 206159530U CN 201620970474 U CN201620970474 U CN 201620970474U CN 206159530 U CN206159530 U CN 206159530U
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- China
- Prior art keywords
- valve
- flange
- valve seat
- diaphragm seal
- sealing
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Abstract
The utility model provides a calotte feed valve, this calotte feed valve includes: the disk seat sets up and rotate the hemispheroid case of being connected in the disk seat and with the disk seat, wherein, the feed inlet department of disk seat is provided with the flange, sealing connection between flange and the disk seat, and be provided with sealing device between flange and the disk seat, sealing device includes: clamp the diaphragm seal ring between flange and disk seat, and form confined space between diaphragm seal ring and flange and the disk seat, be provided with the intake pipe that communicates with confined space on the flange, and the diaphragm seal encircles under the promotion of atmospheric pressure and hemispheroid case sealing connection. The beneficial effects of the utility model are that: the confined space who becomes through the diaphragm seal annular that sets up to carry out the air feed in confined space, guarantee the sealed effect between diaphragm seal ring and the hemispheroid case, thereby guaranteed that the valve after using a period, decreases the leakproofness that also can guarantee the valve through adjustment atmospheric pressure even go out freshly ground.
Description
Technical field
The utility model is related to the technical field of stone conveying, more particularly to a kind of dome inlet valve.
Background technology
Coal unit pneumatic ash handling induction system is a kind of pneumatic conveying process, from the fine coal that electric duster ash bucket falls
Ash, the transmitter of bottom is entered by having an area of section, expansion joint, inlet valve, then through by way of Geldart-D particle, will fall into
Flying dust is sent to the flyash of transmitter the grey storehouse specified by conveyance conduit.
In above-mentioned transportation, during controlling production and transport for convenience, generally require to use valve, not
When needing to transport, need to use valve by closedown of pipeline, but existing valve is in use for some time, due to abrasion usually
There is failure or situation about leaking, strong influence production.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, there is provided a kind of dome inlet valve.
The utility model is to be achieved through the following technical solutions：
The utility model provides a kind of dome inlet valve, and the dome inlet valve includes：Valve seat, is arranged in the valve seat
And the hemisphere valve element being connected with valve seat rotation；Wherein, be provided with flange at the charging aperture of the valve seat, the flange with
It is tightly connected between the valve seat, and sealing device is provided between the flange and the valve seat, the sealing device includes：
The diaphragm seal ring being installed between the flange and the valve seat, and the diaphragm seal ring and the flange and valve seat it
Between form sealing space, the air inlet pipe connected with the sealing space is provided with the flange, and the diaphragm seal ring exists
It is connected with the hemisphere seal spool under the promotion of air pressure.
Preferably, one end of the valve seat is provided with driving shaft, and the other end is provided with driven shaft, and the driving shaft and institute
State driven shaft to be connected with the hemisphere valve element respectively；The driving shaft is connected with gas away from one end of the hemisphere valve element
Cylinder, the driving shaft is connected with catch, and on the valve seat positive stop is provided with.
Preferably, the driving shaft is connected by cylinder connector with the cylinder.
Preferably, the pressure gauge also including being arranged on the valve seat and for detecting air pressure in the sealing space.
Preferably, the driving shaft and the driven shaft are connected respectively with the valve base sealing.
The beneficial effects of the utility model are：The sealing space formed by the diaphragm seal ring for arranging, and in sealing
Supplied in space, it is ensured that the sealing effectiveness between diaphragm seal ring and hemisphere valve element, so as to ensure that valve is being used
After a period of time, even if abrasion occur can also ensure the sealing of valve by adjusting air pressure.
Description of the drawings
Fig. 1 is the structural representation of the dome inlet valve that the utility model embodiment is provided；
Fig. 2 is the sectional view of the dome inlet valve that the utility model embodiment is provided.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to the utility model.It should be appreciated that specific embodiment described herein is only to explain
The utility model, is not used to limit the utility model.
Refer to Fig. 1 and Fig. 2, Fig. 1 be the dome inlet valve that the utility model is provided structural representation, Fig. 2 is this reality
The sectional view of the dome inlet valve provided with new embodiment.
The utility model embodiment provides a kind of dome inlet valve, and the dome inlet valve includes：Valve seat 1, is arranged on institute
State in valve seat 1 and rotate with the valve seat 1 the hemisphere valve element 3 being connected；Wherein, it is provided with method at the charging aperture of the valve seat 1
Blue 2, it is tightly connected between the flange 2 and the valve seat 1, and sealing dress is provided between the flange 2 and the valve seat 1
Put, the sealing device includes：The diaphragm seal ring 4 being installed between the flange 2 and the valve seat 1, and the diaphragm is close
Sealing space is formed between seal ring 4 and the flange 2 and valve seat 1, is provided with what is connected with the sealing space on the flange 2
Air inlet pipe 12, and the diaphragm seal ring 4 is tightly connected under the promotion of air pressure with the hemisphere valve element 3.
In the above-described embodiments, the sealing space for being formed by the diaphragm seal ring 4 for arranging, and enter in sealing space
Row supply, it is ensured that the sealing effectiveness between diaphragm seal ring 4 and hemisphere valve element 3, so as to ensure that valve when using one section
Between after, even if abrasion occur can also ensure the sealing of valve by adjusting air pressure.
Understand for convenience, be described in detail with reference to specific accompanying drawing and embodiment.
As shown in Figures 1 and 2, the inlet valve that the present embodiment is provided includes valve seat 1 and hemisphere valve element 3, and hemisphere
Body valve element 3 passes through to rotate connection between driving shaft 6 and driven shaft 7 and valve seat 1, and specifically, one end of valve seat 1 is provided with driving shaft
6, the other end is provided with driven shaft 7, and the driving shaft 6 and the driven shaft 7 are connected respectively with the hemisphere valve element 3；Institute
State driving shaft 6 and be connected with cylinder 11 away from one end of the hemisphere valve element 3, the driving shaft 6 is connected with catch 10, the valve
Positive stop 9 is provided with seat 1.When in use, driving shaft 6 is promoted to rotate by cylinder 11, and the catch 10 by arranging
And positive stop 9 come ensure driving shaft 6 rotate angle, to realize the opening of inlet valve and the control of closing.Specifically connecting
When connecing, the driving shaft 6 and the driven shaft 7 are tightly connected respectively with the valve seat 1.The driving shaft 6 is connect by cylinder 11
8 are connected with the cylinder 11.
In the present embodiment, in order to ensure inlet valve sealing when closed, sealing device is provided with, the sealing device
It is made up of three parts, flange 2, valve seat 1 and diaphragm seal ring 4, wherein, flange 2 is tightly connected with valve seat 1, diaphragm seal ring 4
Two ends are installed on respectively on valve seat 1 and flange 2, and the space of a sealing is surrounded between three, are provided with close to this on flange 2
The air inlet pipe 12 of envelope space supply, also, the pressure gauge 5 for detecting air pressure in the sealing space is provided with valve seat 1.
When inlet valve is closed, diaphragm seal ring 4 is tightly connected with hemisphere valve element 3, and ensures close by the air pressure in sealing space
Envelope effect, additionally, monitoring the air pressure of sealing space by the pressure gauge 5 for arranging, it is ensured that diaphragm seal ring 4 and hemisphere valve element 3
Sealing effectiveness, it is to avoid charging defective valve.
By foregoing description as can be seen that passing through the sealing space of the formation of diaphragm seal ring 4 of setting, and in sealing sky
It is interior to be supplied, it is ensured that the sealing effectiveness between diaphragm seal ring 4 and hemisphere valve element 3, so as to ensure that valve is being used
After a period of time, even if abrasion occur can also ensure the sealing of valve by adjusting air pressure.
Preferred embodiment of the present utility model is these are only, it is all in this practicality not to limit the utility model
Any modification, equivalent and improvement made within new spirit and principle etc., should be included in guarantor of the present utility model
Within the scope of shield.
Claims (5)
1. a kind of dome inlet valve, it is characterised in that include：Valve seat, is arranged in the valve seat and rotates company with the valve seat
The hemisphere valve element for connecing；Wherein, flange is provided with the charging aperture of the valve seat, sealing between the flange and the valve seat connects
Connect, and sealing device is provided between the flange and the valve seat, the sealing device includes：It is installed on the flange and institute
State and form sealing space between the diaphragm seal ring between valve seat, and the diaphragm seal ring and the flange and valve seat, it is described
Be provided with the air inlet pipe connected with the sealing space on flange, and the diaphragm seal ring under the promotion of air pressure with described half
Ball valve core is tightly connected.
2. dome inlet valve according to claim 1, it is characterised in that one end of the valve seat is provided with driving shaft, separately
One end is provided with driven shaft, and the driving shaft and the driven shaft are connected respectively with the hemisphere valve element；The driving shaft
Cylinder is connected with away from one end of the hemisphere valve element, the driving shaft is connected with catch, on the valve seat limited location is arranged
Block.
3. dome inlet valve according to claim 2, it is characterised in that the driving shaft is by cylinder connector and the gas
Cylinder connects.
4. dome inlet valve according to claim 2, it is characterised in that also including being arranged on the valve seat and for examining
Survey the pressure gauge of air pressure in the sealing space.
5. dome inlet valve according to claim 4, it is characterised in that the driving shaft and the driven shaft respectively with institute
State valve base sealing connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620970474.3U CN206159530U (en) | 2016-08-30 | 2016-08-30 | Calotte feed valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620970474.3U CN206159530U (en) | 2016-08-30 | 2016-08-30 | Calotte feed valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206159530U true CN206159530U (en) | 2017-05-10 |
Family
ID=58649519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620970474.3U Active CN206159530U (en) | 2016-08-30 | 2016-08-30 | Calotte feed valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206159530U (en) |
-
2016
- 2016-08-30 CN CN201620970474.3U patent/CN206159530U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |