CN203516764U - Pneumatic fap type charging valve - Google Patents
Pneumatic fap type charging valve Download PDFInfo
- Publication number
- CN203516764U CN203516764U CN201320679156.8U CN201320679156U CN203516764U CN 203516764 U CN203516764 U CN 203516764U CN 201320679156 U CN201320679156 U CN 201320679156U CN 203516764 U CN203516764 U CN 203516764U
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- valve
- cylinder
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- open
- board assembly
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Abstract
The utility model discloses a pneumatic flap type charging valve which comprises a shell, a valve plate component, a transmission mechanism and an air cylinder. The valve plate component controlling an opening to open and close is arranged in the upper end port of the shell and provided with the transmission mechanism, and the air cylinder is connected with the transmission mechanism through a cylinder connecting arm to drive the valve plate component to rotate by 90 degrees to control the opening to open and close. By the arrangement, the shortcoming in the prior art is overcome; the pneumatic flap type charging valve is reasonable in designed structure, the charging valve is directly connected and integrated with a storehouse into a whole, and the air cylinder drives the valve plate component to rotate by 90 degrees through the connecting arm to control the opening to open and close, so that the specialized structure is good in airtightness, high in temperature resistance and abrasion performance, flexible to open and close, free of dust storing and dust deposition and long in service life.
Description
Technical field
The utility model relates to sealed valve technical field, specifically belongs to Pneumatic reverse turning bed formula feeding valve.
Background technique
The coal-fired pulverized fuel ash producing in existing domestic thermal power plant, most of positive pneumatic conveying system that adopts is processed.One of the feeding valve that connects storehouse pump in this system is critical component, domestic adopted feeding valve principal mode has gate valve, this valve drives valve plate on the sealing surface of passway, as linear slide, to realize the action of valve switch by cylinder conventionally, wear-resisting property requirement and sealability to surface of contact are had relatively high expectations, cause this type of valve expense more expensive, and the same rear high problem of maintenance cost of damaging that exists; Dome valve, dome valve inner seal rings is very large to the influence on system operation of system between 3～9 months general working life.
Model utility content
The purpose of this utility model has been to provide Pneumatic reverse turning bed formula feeding valve, the deficiencies in the prior art have been overcome, project organization is reasonable, feeding valve is directly connected with storehouse pump and permeates an integral body, by cylinder, by connecting rocker arm drive valve plate assembly, do 90 degree rotations and open and close to control, this application specific architecture good seal performance, high temperature resistant, wear resistance is strong, opens and closes flexibly, without card ash and fouling phenomenon, long service life.
The technical solution adopted in the utility model is as follows:
Pneumatic reverse turning bed formula feeding valve, comprise housing, valve board assembly, driving mechanism and cylinder, described housing upper end-hole is provided with the valve board assembly of controlling opening open and close, valve board assembly is provided with driving mechanism, and cylinder rotates to control open and close by cylinder link arm connection for transmission mechanism drive valve plate assembly 90 degree.
Described valve board assembly, comprises upper and lower seal ring and turnover panel, and upper seal ring is zigzag structure, and lower seal is plane structure, is coated on turnover panel.
Described cylinder front end is connected with cylinder link arm with cotter pin by bearing pin.
Described driving mechanism is by connecting connecting lever and transmission shaft forms, transmission shaft outermost end be connected that connecting lever front end is vertical to be connected, connect the connecting lever the other end and be connected with cylinder link arm, described transmission shaft two end part are provided with seal component.
Compared with the prior art, the beneficial effects of the utility model are as follows:
The utility model feeding valve is directly connected with storehouse pump and permeates an integral body, by cylinder, by connecting rocker arm drive valve plate assembly, do 90 degree rotations and open and close to control, this application specific architecture good seal performance, high temperature resistant, wear resistance is strong, opens and closes flexibly, without card ash and fouling phenomenon, long service life; Upper and lower seal ring adopts fluorine rubber material, and rubber itself has certain containment to particle, and high temperature that can resistance to 250 ℃, and upper seal ring is zigzag structure, and rubber hardness is higher, and lower seal is plane structure, is coated on turnover panel, and quality of rubber materials is softer.During valve opening, sealing surface is difficult for knot ash, in the moment of valve closing, the flying dust that ash bucket falls may enter sealing surface, at sealing surface, enter grey in the situation that, be subject to cylinder driving moment and storehouse pump internal pressure self-tightening effect, sealing surface compact, now the flying dust of sealing surface deposition is entered in outside or groove by sawtooth is top, form two linear sealings, thereby even if guarantee that flying dust enters sealing surface and also can guarantee not leak; Pneumatic reverse turning bed formula feeding valve application specific architecture has taken into full account the requirement of maintainalbility, once there are sealing surface ageing failure or wearing and tearing, replaceable seal ring, turnover panel and valve seat, thus make feeding valve integral body there is the longer life-span.
Accompanying drawing explanation
Fig. 1 is the structural representation in the utility model front;
Fig. 2 is the sectional structure schematic diagram of the utility model A-A;
Fig. 3 is the structural representation of the utility model side;
Fig. 4 is the sectional structure schematic diagram of the utility model B-B;
Fig. 5 is that the utility model is overlooked internal structure schematic diagram.
Embodiment
Referring to accompanying drawing, Pneumatic reverse turning bed formula feeding valve, comprise housing 1, valve board assembly 2, driving mechanism 3 and cylinder 4, housing 1 upper end-hole is provided with the valve board assembly 2 of controlling opening open and close, valve board assembly 2 is provided with driving mechanism 3, and driving mechanism 3 forms by connecting connecting lever 301 and transmission shaft 302, transmission shaft 302 outermost end be connected vertical connection of connecting lever 301 front ends, connect connecting lever 301 the other ends and be connected with cylinder link arm 5, described transmission shaft 301 two end part are provided with seal component 303.Cylinder 4 rotates to control open and close by cylinder link arm 5 connection for transmission mechanisms 3 drive valve plate assembly 90 degree, cylinder 4 is installed on housing 1 by cylinder saddle 401, described valve board assembly 2, comprise seal ring 201, lower seal 202 and turnover panel 203, upper seal ring 201 is zigzag structure, lower seal 202 is plane structure, is coated on turnover panel 203, and cylinder 4 front ends are connected with cylinder link arm 5 with cotter pin 6 by bearing pin.
Claims (4)
1. Pneumatic reverse turning bed formula feeding valve, comprise housing, valve board assembly, driving mechanism and cylinder, it is characterized in that: described housing upper end-hole is provided with the valve board assembly of controlling opening open and close, valve board assembly is provided with driving mechanism, and cylinder rotates to control open and close by cylinder link arm connection for transmission mechanism drive valve plate assembly 90 degree.
2. Pneumatic reverse turning bed formula feeding valve according to claim 1, is characterized in that: described valve board assembly, comprise upper and lower seal ring and turnover panel, and upper seal ring is zigzag structure, lower seal is plane structure, is coated on turnover panel.
3. Pneumatic reverse turning bed formula feeding valve according to claim 1 and 2, is characterized in that: described cylinder front end is connected with cylinder link arm with cotter pin by bearing pin.
4. Pneumatic reverse turning bed formula feeding valve according to claim 1, it is characterized in that: described driving mechanism is by connecting connecting lever and transmission shaft forms, transmission shaft outermost end be connected that connecting lever front end is vertical to be connected, connect the connecting lever the other end and be connected with cylinder link arm, described transmission shaft two end part are provided with seal component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320679156.8U CN203516764U (en) | 2013-10-31 | 2013-10-31 | Pneumatic fap type charging valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320679156.8U CN203516764U (en) | 2013-10-31 | 2013-10-31 | Pneumatic fap type charging valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203516764U true CN203516764U (en) | 2014-04-02 |
Family
ID=50375696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320679156.8U Expired - Fee Related CN203516764U (en) | 2013-10-31 | 2013-10-31 | Pneumatic fap type charging valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203516764U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108639763A (en) * | 2018-05-24 | 2018-10-12 | 岳波 | A kind of air-transport system outlet valve |
-
2013
- 2013-10-31 CN CN201320679156.8U patent/CN203516764U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108639763A (en) * | 2018-05-24 | 2018-10-12 | 岳波 | A kind of air-transport system outlet valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20151031 |
|
| EXPY | Termination of patent right or utility model |