CN209294444U - A kind of moushroom valve with Tetrafluoro spacer - Google Patents
A kind of moushroom valve with Tetrafluoro spacer Download PDFInfo
- Publication number
- CN209294444U CN209294444U CN201821786172.6U CN201821786172U CN209294444U CN 209294444 U CN209294444 U CN 209294444U CN 201821786172 U CN201821786172 U CN 201821786172U CN 209294444 U CN209294444 U CN 209294444U
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- China
- Prior art keywords
- valve
- shaft
- valve body
- tetrafluoro
- spring
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Abstract
The utility model relates to abrasive disk type control valves, more particularly to a kind of moushroom valve with Tetrafluoro spacer, including valve body, valve disc, valve seat, valve deck, the valve shaft of driving mechanism and bending structure, valve shaft includes cross bar and shaft, cross bar is mounted in valve chamber, shaft one end and cross bar are integrally formed, the shaft other end is mounted on valve body and stretches out valve body outer end and fixes with driving mechanism, driving mechanism is connected with cylinder, counterbalance spring is installed among valve disc, shaft and cross bar junction are provided with spring, spring one end and valve body contradict, the spring other end is mounted in shaft, Tetrafluoro spacer is provided on valve disc, Tetrafluoro spacer connects when moushroom valve is closed with valve seat, shaft setting spring one end is provided with the tetrafluoro axle sleeve to connect with valve body, dirt-proof boot is provided between valve body and shaft top, the utility model is provided with Tetrafluoro spacer on valve disc, enhancing The wear-resisting property of valve disc, closing property when increasing closing.
Description
Technical field
The utility model relates to abrasive disk type control valve, especially a kind of moushroom valve with Tetrafluoro spacer.
Background technique
The polysilicon of New Energy Industry, the coal oil of coal chemical industry, the coal dust conveying of power plant, the paper pulp of paper-making industry are defeated at present
It send, used a large amount of disc valve on the slurry transportation pipeline in cement plant.Mainly by valve body, valve disc, valve rod, actuating arm, valve rod,
Filler, disk spring, valve disc spring, valve rod spring, bolt/nut, plug screw composition, its working principle is that being driven by rotation
Swing arm makes valve rod rotate an angle, so that valve rod drives valve disc rotation, realizes the switch of disc valve.At these containing particle Jie
In matter pipeline, since erosion is especially severe, valve internals serious wear, result in parts thereof tolerance beyond claimed range and
Failure, significantly reduces using effect and the service life of valve, in moushroom valve use process, after valve disc is opened, and valve disc sealing surface
Initially move off valve seat and gradually with valve body contact, granule medium pass through moushroom valve during, excessively contacted with valve disc sealing surface, pass through
Prolonged collision is crossed, moushroom valve sealing surface causes certain abrasion, when closing moushroom valve, since valve disc sealing surface wear is more,
Cause it is poorly sealed, and in moushroom valve opening process, granule medium in circulation, to valve cause certain collision and into
Enter in the cavity of valve, between valve rod and valve body in gap be easy particulate matter accumulated, cause valve rod be not easy rotate and block master,
Valve is caused clamping stagnation occur, open and close is difficult.
Utility model content
The goal of the invention of the utility model is: for the serious problem of valve wear in the prior art, providing a kind of tool
There is the moushroom valve of Tetrafluoro spacer.
To achieve the goals above, the technical solution adopted in the utility model are as follows:
A kind of moushroom valve with Tetrafluoro spacer, the valve including valve body, valve disc, valve seat, valve deck, driving mechanism and bending structure
Axis, the valve shaft include cross bar and shaft, and the cross bar is mounted in valve chamber, and described shaft one end and cross bar are integrally formed, institute
It states the shaft other end and is mounted on valve body and stretches out valve body outer end and fixed with the driving mechanism, the driving mechanism is connected with gas
Cylinder, counterbalance spring is equipped among the valve disc, and the shaft and the cross bar junction are provided with spring, the spring one end
It is contradicted with valve body, the spring other end is mounted in shaft, and one end that the valve disc connects with the valve seat is provided with tetrafluoro
Gasket, the Tetrafluoro spacer connect when moushroom valve is closed with the valve seat.
As a preferred embodiment of the present invention, the shaft setting spring one end is provided with the tetrafluoro axis to connect with valve body
Set, the tetrafluoro axle sleeve are circular ring structure, and tetrafluoro axle sleeve is socketed in shaft one end, outside the tetrafluoro axle sleeve inner ring and the shaft
Ring connects, and the tetrafluoro axle sleeve outer ring connects with the valve body, and tetrafluoro axle sleeve has self-lubricating capacities, and tetrafluoro axle sleeve can be reduced
There is stuck phenomenon because temperature increases in valve rod work, enhances shaft in the fluency of rotation process.
As a preferred embodiment of the present invention, the valve body is provided with dirt-proof boot between the shaft top, described
Dirt-proof boot is T-type circular ring structure, and the dirt-proof boot inner ring is circular ring structure, and the dirt-proof boot inner ring connects with the shaft, institute
Stating dirt-proof boot outer ring is T-type circular ring structure, and the dirt-proof boot outer ring connects with the valve body, and dirt-proof boot can effectively prevent particle
Object enters between shaft and valve body, and shaft is made to be in good rotating property.
As a preferred embodiment of the present invention, the valve deck upper end center offers packing groove, sets in the packing groove
It is equipped with dust-proof filling-material structure, the dust-proof filling-material structure is filled between shaft outer wall and filler groove groove wall, on the packing groove
End is equipped with gland, and the gland upper end is equipped with hold-down grid, and the hold-down grid is solid by bolt and valve deck
It is fixed, filler is filled in the packing groove, valve deck upper end filling filler increases the sealing performance of valve.
As a preferred embodiment of the present invention, it is respectively set between the gland and the shaft and the valve deck
There is sealing ring, increases the airtightness of valve.
As a preferred embodiment of the present invention, it is provided with disc spring between the hold-down grid and the shaft, realizes and adjusts
Function is saved, shaft is avoided not to be able to rotate.
As a preferred embodiment of the present invention, the purging mudhole communicated with valve chamber, institute are additionally provided on the valve body
It states purging mudhole and bolt cooperates, removing bolt can be used for clearing up residue in valve.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are:
1, it is provided with Tetrafluoro spacer on valve disc, enhances the wear-resisting property of valve disc, reduces valve disc and stream in use process
Friction between logical particulate matter, when moushroom valve is closed, valve seat can be in close contact with Tetrafluoro spacer, reached valve and closed effect,
Extend the service life of valve.
2, in the moushroom valve course of work, moushroom valve internal temperature is increased, and tetrafluoro axle sleeve is provided in shaft bottom, due to tetrafluoro axis
The self-lubricating capacities of set, tetrafluoro axle sleeve, which can be reduced, there is stuck phenomenon because temperature increases in valve rod work, enhances
Fluency of the shaft in rotation process.
3, there may be gaps between shaft and valve body, and the easy clamping stagnation of shaft is caused after particulate matter enters gap, by
It is additionally arranged dirt-proof boot between shaft and valve body, can effectively prevent particulate matter and enter between shaft and valve body, shaft is made to be in good
Good rotating property.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the enlarged drawing in Fig. 1 at A；
Marked in the figure: 1- valve body, 2- valve disc, 3- valve seat, 4- valve deck, 5- driving mechanism, 6- valve shaft, 7- cross bar, 8- shaft,
9- valve chamber, 11- counterbalance spring, 12- spring, 13- Tetrafluoro spacer, 14- tetrafluoro axle sleeve, 15- dirt-proof boot, 16- gland, 17-
Hold-down grid, 18- filler, 19- sealing ring, 20- disc spring, 21- purge mudhole.
Specific embodiment
With reference to the accompanying drawing, the utility model is described in detail.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this
Utility model is not used to limit the utility model.
Embodiment 1
As depicted in figs. 1 and 2, a kind of moushroom valve with Tetrafluoro spacer, including valve body 1, valve disc 2, valve seat 3, valve deck 4, drive
The valve shaft 6 of motivation structure 5 and bending structure, valve shaft 6 include cross bar 7 and shaft 8, and cross bar 7 is mounted in valve chamber 9,8 one end of shaft with
Cross bar 7 is integrally formed, and 8 other end of shaft is mounted on valve body 1 and stretches out 1 outer end of valve body and driving mechanism 5 is fixed, driving mechanism
It is connected with cylinder on 5, counterbalance spring 11 is installed among valve disc 2, shaft 8 and 7 junction of cross bar are provided with spring 12, spring 12
One end and valve body 1 are inconsistent, and 12 other end of spring is mounted in shaft 8, and one end that valve disc 2 connects with valve seat 3 is provided with tetrafluoro
Gasket 13, Tetrafluoro spacer 13 connect when moushroom valve is closed with valve seat 3, and the setting of shaft 8 12 one end of spring is provided with to connect with valve body 1
Tetrafluoro axle sleeve 14, valve body 1 and shaft are provided with dirt-proof boot 15 between 8 top.
4 upper end center of valve deck offers packing groove, and dust-proof filling-material structure, dust-proof filling-material structure filling are provided in packing groove
Between 8 outer wall of shaft and filler groove groove wall, packing groove upper end is equipped with gland 16, and 16 upper end of gland, which is equipped with, to be filled out
Expect pressing plate 17, hold-down grid 17 is fixed by bolt and valve deck 4, is respectively arranged between gland 16 and shaft 8 and valve deck 4
Sealing ring is provided with disc spring 12 between hold-down grid 17 and shaft 8, the purging blowdown communicated with valve chamber 9 is additionally provided on valve body 1
Hole 21, purging mudhole 21 and bolt cooperate.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (7)
1. a kind of moushroom valve with Tetrafluoro spacer, which is characterized in that including valve body (1), valve disc (2), valve seat (3), valve deck (4),
The valve shaft (6) of driving mechanism (5) and bending structure, the valve shaft (6) include cross bar (7) and shaft (8), cross bar (7) peace
In valve chamber (9), described shaft (8) one end and cross bar (7) are integrally formed, and shaft (8) other end is mounted on valve body (1)
It goes up and stretches out valve body (1) outer end and the driving mechanism (5) are fixed, the driving mechanism (5) is connected with cylinder, the valve disc
(2) intermediate to be equipped with counterbalance spring (11), the shaft (8) and the cross bar (7) junction are provided with spring (12), the bullet
Spring (12) one end and valve body (1) contradict, and spring (12) other end is mounted on shaft (8), the valve disc (2) and the valve
One end that seat (3) connects is provided with Tetrafluoro spacer (13).
2. a kind of moushroom valve with Tetrafluoro spacer according to claim 1, which is characterized in that bullet is arranged in the shaft (8)
Spring (12) one end is provided with the tetrafluoro axle sleeve (14) to connect with valve body (1), and the tetrafluoro axle sleeve (14) is circular ring structure, and described four
Fluorine axle sleeve (14) inner ring connects with the shaft (8) outer ring, and tetrafluoro axle sleeve (14) outer ring connects with the valve body (1).
3. a kind of moushroom valve with Tetrafluoro spacer according to claim 1, which is characterized in that the valve body (1) with it is described
It is provided with dirt-proof boot (15) between shaft (8) top, the dirt-proof boot (15) is T-type circular ring structure, and the dirt-proof boot (15) is interior
Ring is circular ring structure, and dirt-proof boot (15) inner ring connects with the shaft (8), and dirt-proof boot (15) outer ring is T-type annulus
Structure, the dirt-proof boot outer ring connect with the valve body (1).
4. a kind of moushroom valve with Tetrafluoro spacer according to claim 1, which is characterized in that in valve deck (4) upper end
The heart offers packing groove, and dust-proof filling-material structure is provided in the packing groove, and the dust-proof filling-material structure is filled in shaft (8) outside
Between wall and filler groove groove wall, the packing groove upper end is equipped with gland (16), gland (16) the upper end installation
Have hold-down grid (17), the hold-down grid (17) is fixed by bolt and valve deck (4).
5. a kind of moushroom valve with Tetrafluoro spacer according to claim 4, which is characterized in that the gland (16) with
Sealing ring (19) are respectively arranged between the shaft (8) and the valve deck (4).
6. a kind of moushroom valve with Tetrafluoro spacer according to claim 4, which is characterized in that the hold-down grid (17) with
Disc spring (20) are provided between the shaft (8).
7. a kind of moushroom valve with Tetrafluoro spacer according to claim 1, which is characterized in that also set on the valve body (1)
It is equipped with the purging mudhole (21) communicated with valve chamber (9), the purging mudhole (21) and bolt cooperate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821786172.6U CN209294444U (en) | 2018-10-31 | 2018-10-31 | A kind of moushroom valve with Tetrafluoro spacer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821786172.6U CN209294444U (en) | 2018-10-31 | 2018-10-31 | A kind of moushroom valve with Tetrafluoro spacer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209294444U true CN209294444U (en) | 2019-08-23 |
Family
ID=67647421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821786172.6U Active CN209294444U (en) | 2018-10-31 | 2018-10-31 | A kind of moushroom valve with Tetrafluoro spacer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209294444U (en) |
-
2018
- 2018-10-31 CN CN201821786172.6U patent/CN209294444U/en active Active
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| GR01 | Patent grant |