CN206054761U - A kind of HF switch butterfly valve - Google Patents
A kind of HF switch butterfly valve Download PDFInfo
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- CN206054761U CN206054761U CN201621066993.3U CN201621066993U CN206054761U CN 206054761 U CN206054761 U CN 206054761U CN 201621066993 U CN201621066993 U CN 201621066993U CN 206054761 U CN206054761 U CN 206054761U
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Abstract
The utility model discloses a kind of HF switch butterfly valve.This utility model respectively increased a radial bearing group in the upper and lower side of valve rod, radial bearing can bear radial load, can also bear the axial load in two directions, and moment of friction is little, occasion suitable for requiring rotation at high speed, can be good at extending the service life of HF switch butterfly valve；Also, a bearing bracket is respectively increased in the upper and lower side of valve rod, when needing to change filler or bearing, can be easy to move the tray out by the top wire hole of bearing bracket, facilitate the replacing of bearing and filler, greatly save the maintenance time of valve；A thrust bearing is increased between the bottom of valve rod and bottom head covers, has supporting role to valve rod, rotate flexible, life-span length reduces abrasion, substantially increases the service life of HF switch butterfly valve.
Description
Technical field
This utility model is related to HF switch butterfly valve, and in particular to one kind can prolong long-life HF switch butterfly valve.
Background technology
For HF switch butterfly valve, as the requirement of technique, butterfly switch frequency are high, action is fast.The action of high frequency can be big
The big life-span for reducing butterfly valve consumable accessory, the especially larger butterfly valve (bore of bore>=DN350), assembly precision, valve plate sink etc.
Factor can cause butterfly valve to wear and tear in HF switch aggravation, reduce the service life and maintenance time of valve.For valve comes
Say, valve event causes abrasion inevitable, but change consumable accessory and generally require to stop, the utilization of capacity of package unit can be affected,
Affect the overall performance of device.
Existing butterfly valve is mainly made up of following part：Valve body, valve plate, valve seat, valve rod, filler, flavoring agent gland, upper and lower axle
Set etc..Valve body is cylindrical, and axial length is short, built-in valve plate；Valve rod passes through valve body, valve plate from valve body one end, by valve body, valve plate
Link together.The position filling filler for penetrating valve body connection is passed in valve rod；The outside of valve body is fixed on pipe by two panels flange
On road, valve plate is installed on the diametric(al) of pipeline.In valve cylinder-shaped passage, disc valve plate is rotated around valve rod, rotation
Angle is between 0 °～90 °.
When valve is horizontally mounted, due to valve quick rotation and valve plate self gravitation, valve stem sleeve can be caused and filled out
Certain abrasion is produced at material, when valve assembly precision is inadequate or support there are some to loosen, valve high frequency rotational can also be led
Cause the heavy wear of valve stem sleeve and filler.Change valve stem sleeve and filler is required for shutting down, valve is pulled down from pipeline, is torn open
Valve opening stem valve plate is changed, and complex procedures, maintenance time are long, be have impact on the stable operation of equipment, is reduced package unit
The utilization of capacity.
When valve vertical is installed, due to valve quick rotation and valve plate self gravitation, the retaining that can be worn and torn on valve rod
Block, band ovable valve stem and valve plate sink, and so as to wear valve lower seal face, occur gap, so meeting between valve plate top and valve body
Cause valve gas leakage, affect the yield of whole device.Such case continuing valve body and the valve plate of can also wear and tear, cause valve without
Method is normally used.
Utility model content
In order to reduce the maintenance time and cycle of butterfly valve, the overall performance of device is improved, and this utility model is to original butterfly valve
Structure is transformed, it is proposed that a kind of can to extend high frequency well along the structure of long-life HF switch butterfly valve
The service life of switch butterfly valve, improves the inspection speed of part consumable accessory, it is adaptable to all HF switch butterfly valves.
HF switch butterfly valve of the present utility model includes：Valve rod, valve plate, valve body, clutch shaft bearing bracket, second bearing support
Frame, the first radial bearing group, the second radial bearing group, clutch shaft bearing limiting plate, second bearing limiting plate, filler, gland,
Bottom head covers, the first black box and the second black box；Wherein, valve body is cylindrical, and axial length is short, built-in valve plate；Valve
Bar passes radially through valve body and valve plate from valve body one end, and valve body and valve plate are linked together；On valve body and positioned at valve rod
Circular groove is provided with around upper end, clutch shaft bearing bracket is provided with circular groove；Set in the bottom of clutch shaft bearing bracket
It is equipped with the first radial bearing group；It is spacing in clutch shaft bearing bracket and clutch shaft bearing to be provided with the first radial bearing group
Plate；Filler is filled with clutch shaft bearing bracket and on clutch shaft bearing limiting plate；Filler is provided with clutch shaft bearing bracket
Gland；The first black box is provided between clutch shaft bearing bracket and valve body；On valve body and around the lower end of valve rod
Circular groove is provided with, second bearing bracket is provided with circular groove；The bottom of second bearing bracket is provided with second
Radial bearing group；It is spacing in the bottom of second bearing bracket and second bearing to be provided with outside the second radial bearing group and valve rod
Plate；Bottom head covers are provided with second bearing bracket；There is setting between second bearing bracket and valve body and bottom head covers
Two black boies.
The dismounting and change of the first and second bearing brackets guarantee bearing and filler is convenient, and the first black box and second is sealed
Component adopts sealing ring, it is ensured that valve does not leak outside.
This utility model respectively increased a radial bearing group in the upper and lower side of valve rod, and radial bearing can bear radially negative
Lotus, can also bear the axial load in two directions, and moment of friction is little, it is adaptable to require the occasion of rotation at high speed, can be very
The service life of good prolongation HF switch butterfly valve.
First radial bearing group adopts deep groove ball bearing, self-aligning ball bearing, self-aligning roller bearing, angular contact ball bearing, circle
One kind in post share bearing, taper roll bearing and needle bearing, the first radial bearing group are made up of 1～3 single bearing.
Second radial bearing group adopts deep groove ball bearing, self-aligning ball bearing, self-aligning roller bearing, angular contact ball bearing, circle
One kind in post share bearing, taper roll bearing and needle bearing, the second radial bearing group are made up of 1～3 single bearing.
Bearing and replacement, respectively increased a bearing bracket in the upper and lower side of valve rod for convenience, the axle that will increase
Hold and be placed in bearing bracket with original filler.When needing to change filler or bearing, by the top wire hole energy of bearing bracket
It is easy to move the tray out, facilitates the replacing of bearing and filler, greatlys save the maintenance time of valve.
Further, this utility model also includes thrust bearing, and thrust bearing is arranged in second bearing bracket and positioned at the
Between two bearing limiting plates and bottom head covers.
In order to slow down valve plate sinking caused series of problems when valve vertical is installed, this utility model is in the bottom of valve rod
A thrust bearing is increased between end cap, has supporting role to valve rod, rotate flexible, life-span length reduces abrasion, carries significantly
The high service life of HF switch butterfly valve；When damaging occurs in bearing, can be without shutting down dismounting valve, by opening under valve rod
Portion's end cap, changes bearing online, greatly reduces the maintenance of valve repair time.
Thrust bearing adopts thrust ball bearing, angular contact thrust ball bearing, cylindrical roller thrust bearing, thrust cone roller
One kind in bearing, needle roller thrust bearing and self-aligning thrust roller bearing.
Advantage of the present utility model：
This utility model respectively increased a radial bearing group in the upper and lower side of valve rod, and radial bearing can bear radially negative
Lotus, can also bear the axial load in two directions, and moment of friction is little, it is adaptable to require the occasion of rotation at high speed, can be very
The service life of good prolongation HF switch butterfly valve；Also, a bearing bracket is respectively increased in the upper and lower side of valve rod, work as needs
When changing filler or bearing, can be easy to move the tray out by the top wire hole of bearing bracket, facilitate the replacing of bearing and filler,
Greatly save the maintenance time of valve；A thrust bearing is increased between the bottom of valve rod and bottom head covers, to valve rod
There is supporting role, rotate flexible, life-span length reduces abrasion, substantially increases the service life of HF switch butterfly valve.
Description of the drawings
Fig. 1 is the schematic diagram of long-life HF switch butterfly valve of the present utility model；
Fig. 2 is the enlarged diagram of the valve rod upper end of long-life HF switch butterfly valve of the present utility model；
Fig. 3 is the enlarged diagram of the valve rod lower end of long-life HF switch butterfly valve of the present utility model.
Specific embodiment
Below in conjunction with the accompanying drawings, by specific embodiment, this utility model is expanded on further.
As shown in figure 1, long-life HF switch butterfly valve of the present embodiment includes：Valve rod, valve plate, valve body, first and
Two bearing brackets 21 and the 22, first and second radial bearing groups 61 and the 62, first and second bearing limiting plates 51 and 52, filler 4,
Gland 1, the first and second sealing rings 31 and 32, bottom head covers 8 and thrust bearing 7；Wherein, valve body is cylindrical, axially
Length is short, built-in valve plate；Valve rod passes radially through valve body and valve plate from valve body one end, and valve body and valve plate are linked together.Footpath
To for valve rod direction, radially with it is axially vertical.
As shown in Fig. 2 being provided with circular groove on valve body and around the upper end of valve rod, arrange in circular groove
There is clutch shaft bearing bracket 21；The bottom of clutch shaft bearing bracket 21 is provided with the first radial bearing group 61；In clutch shaft bearing bracket
It is interior and be located at the first radial bearing group on be provided with clutch shaft bearing limiting plate 51；Limit in clutch shaft bearing bracket and in clutch shaft bearing
Filler 4 is filled with the plate 51 of position；Gland 1 is provided with clutch shaft bearing bracket 21, and the upper end of valve rod passes filler
Gland 1；First sealing ring 31 is set between clutch shaft bearing bracket 2 and valve body, the two is sealed.
As shown in figure 3, arranging fluted on valve body and around the lower end of valve rod, the second axle is provided with a groove
Support bracket 22；The bottom of second bearing bracket 22 is provided with the second radial bearing group 62；In the bottom of second bearing bracket 22
And second bearing limiting plate 52 is provided with outside the second radial bearing group 62 and valve rod；It is provided with second bearing bracket 22
Bottom head covers 8；In second bearing bracket 22 and positioned at being provided with thrust axis between second bearing limiting plate 52 and bottom head covers 8
Hold；The second sealing ring 32 is provided between second bearing bracket 22 and valve body and bottom head covers 8.
In the present embodiment, the first and second radial bearing groups 61 and 62 are respectively adopted a single-groove grooved ball bearing；Push away
Power bearing adopts single direction thrust ball bearing.
It is finally noted that, the purpose for publicizing and implementing example is that help further understands this utility model, but this
The technical staff in field is appreciated that：It is in without departing from this utility model and appended spirit and scope by the claims, various
Substitutions and modifications are all possible.Therefore, this utility model should not be limited to embodiment disclosure of that, and this utility model will
The scope of protection is asked to be defined by the scope that claims are defined.
Claims (6)
1. a kind of HF switch butterfly valve, it is characterised in that the HF switch butterfly valve includes：Valve rod, valve plate, valve body, first axle
Support bracket, second bearing bracket, the first radial bearing group, the second radial bearing group, clutch shaft bearing limiting plate, second bearing are spacing
Plate, filler, gland, bottom head covers, the first black box and the second black box；Wherein, valve body is cylindrical, axially long
Spend short, built-in valve plate；Valve rod passes radially through valve body and valve plate from valve body one end, and valve body and valve plate are linked together；In valve
Circular groove is provided with body and around the upper end of valve rod, clutch shaft bearing bracket is provided with circular groove；First
The bottom of bearing bracket is provided with the first radial bearing group；Arrange in clutch shaft bearing bracket and in the first radial bearing group
There is clutch shaft bearing limiting plate；Filler is filled with clutch shaft bearing bracket and on clutch shaft bearing limiting plate；In first axle support
Gland is provided with frame；The first black box is provided between clutch shaft bearing bracket and valve body；On valve body and it is located at
Circular groove is provided with around the lower end of valve rod, second bearing bracket is provided with circular groove；In second bearing bracket
Bottom is provided with the second radial bearing group；Arrange in the bottom of second bearing bracket and outside the second radial bearing group and valve rod
There is second bearing limiting plate；Bottom head covers are provided with second bearing bracket；In second bearing bracket and valve body and bottom end
There is the second black box of setting between lid.
2. HF switch butterfly valve as claimed in claim 1, it is characterised in that the first radial bearing group adopts deep-groove ball axle
Hold, in self-aligning ball bearing, self-aligning roller bearing, angular contact ball bearing, cylinder share bearing, taper roll bearing and needle bearing
One kind, the first radial bearing group is made up of 1～3 single bearing.
3. HF switch butterfly valve as claimed in claim 1, it is characterised in that the second radial bearing group adopts deep-groove ball axle
Hold, in self-aligning ball bearing, self-aligning roller bearing, angular contact ball bearing, cylinder share bearing, taper roll bearing and needle bearing
One kind, the second radial bearing group is made up of 1～3 single bearing.
4. HF switch butterfly valve as claimed in claim 1, it is characterised in that also including thrust bearing, the thrust bearing sets
Put in second bearing bracket and be located between second bearing limiting plate and bottom head covers.
5. HF switch butterfly valve as claimed in claim 4, it is characterised in that the thrust bearing using thrust ball bearing, push away
Power angular contact ball bearing, cylindrical roller thrust bearing, tapered roller thrust bearing, needle roller thrust bearing and thrust force aligning Roller Shaft
One kind in holding.
6. HF switch butterfly valve as claimed in claim 1, it is characterised in that first black box and the second black box
Using sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621066993.3U CN206054761U (en) | 2016-09-21 | 2016-09-21 | A kind of HF switch butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621066993.3U CN206054761U (en) | 2016-09-21 | 2016-09-21 | A kind of HF switch butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206054761U true CN206054761U (en) | 2017-03-29 |
Family
ID=58370666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621066993.3U Active CN206054761U (en) | 2016-09-21 | 2016-09-21 | A kind of HF switch butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206054761U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111692349A (en) * | 2020-06-15 | 2020-09-22 | 四川弗洛威流体控制设备有限公司 | Butterfly spherical valve |
-
2016
- 2016-09-21 CN CN201621066993.3U patent/CN206054761U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111692349A (en) * | 2020-06-15 | 2020-09-22 | 四川弗洛威流体控制设备有限公司 | Butterfly spherical valve |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100080 401, Yanyuan resources building, 151 Zhongguancun North Street, Haidian District, Beijing Patentee after: Beijing Beida Pioneer Technology Co.,Ltd. Address before: 100080 401, Yanyuan resources building, 151 Zhongguancun North Street, Haidian District, Beijing Patentee before: BEIJING PEKING UNIVERSITY PIONEER TECHNOLOGY Co.,Ltd. |