CN209278533U - A kind of eccentric rotary valve - Google Patents
A kind of eccentric rotary valve Download PDFInfo
- Publication number
- CN209278533U CN209278533U CN201821733630.XU CN201821733630U CN209278533U CN 209278533 U CN209278533 U CN 209278533U CN 201821733630 U CN201821733630 U CN 201821733630U CN 209278533 U CN209278533 U CN 209278533U
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- China
- Prior art keywords
- valve
- valve rod
- spool
- valve body
- upper section
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Abstract
The utility model discloses a kind of eccentric rotary valves, including valve body, spool, valve rod, valve seat, bracket and actuator, valve seat is equipped with sealing ring, sealing ring and spool offset to form the sealing of line face, flap is equipped in valve body, flap is located on rear side of spool, spool is fixedly connected by straight pin with valve rod, valve rod is split type structure, it includes valve rod upper section and valve rod lower section, valve rod lower section is by valve lever bushing location and installation in body base, and pass through tail-hood, gasket and bolt assembly sealing, valve rod upper section one end passes through valve body and is fixedly connected set on the bracket of top end of the valve body with connector sleeve, connector sleeve passes through actuator driven, location sealing component is equipped between valve rod upper section and valve body, positioning power-assisted component is equipped between valve rod upper section and bracket, the cross section of bracket is in day font structure；The utility model optimizes valve inner structure, supporting structure and sealing structure, enhances its stability, guarantees sealing, improving stability.
Description
Technical field
The utility model relates to eccentric rotary valve technical field, in particular to unclean property medium, big flow field can be used for
A kind of eccentric rotary valve closed.
Background technique
Eccentric rotary valve absorbs the certain advantages of ball valve and butterfly valve, have structure simple, small in volume, have it is larger
Rated flow coefficient, a series of advantage such as adjustable extent is big, use temperature range is wide, leakage rate is small；Lead in the prior art
Reason condition lower valve frictional force when opening and closing is big, is sealed when seat design using face, passes through spherical surface pressure when valve is closed
Tight valve seat is not easy completely to remain on valve inner wall to cause, or even results in blockage；Stability of valve in the case where big flow
It is still to be improved.
Utility model content
The purpose of this utility model is to provide a kind of eccentric rotary valve, optimize valve inner structure, supporting structure and close
Seal structure enhances its stability, guarantees sealing, improving stability.
The utility model in order to solve the above technical problems, adopts the following technical scheme that a kind of eccentric rotary valve, including valve
Body, spool, valve rod, valve seat, bracket and actuator, the valve body are equipped with flow channel and flow pass, and the spool is set to institute
State flow into it is sensible between the flow pass, the valve seat is fixed on the valve body by platen and holding screw, described
Valve seat is equipped with sealing ring, and the sealing ring and the spool offset to form the sealing of line face, is equipped with flap, institute in the valve body
It states flap to be located on rear side of the spool, the spool is fixedly connected by straight pin with the valve rod, and the valve rod is fission
Formula structure comprising valve rod upper section and valve rod lower section, the valve rod lower section is by valve lever bushing location and installation in the valve body bottom
Portion, and by tail-hood, gasket and bolt assembly sealing, valve rod upper section one end passes through the valve body and is set to the valve body
The bracket on top is fixedly connected with connector sleeve, and the connector sleeve passes through the actuator driven, the valve rod upper section and the valve
It is equipped with location sealing component between body, positioning power-assisted component is equipped between the valve rod upper section and the bracket, the bracket
Cross section is in day font structure.
As advanced optimizing for the utility model, the location sealing component includes Packing seat, several layers of filler filler pressure
Set and hold-down grid.
As advanced optimizing for the utility model, the positioning power-assisted component includes the circle for being sheathed on the valve rod upper section
Nut and single direction thrust ball bearing, the single direction thrust ball bearing are set between the bracket and the valve rod upper section, the circle
Nut is for compressing the single direction thrust ball bearing.
Using above technical scheme, the utility model is had the advantage that
The utility model optimizes valve inner structure, and flap is arranged in valve inner, it is therefore prevented that medium residual, and big
In the case where flow, impact of the medium to valve rod is substantially reduced, leakage problem caused by preventing stem position from deviating, and use
The stem structure of segmented greatly promotes valve in conjunction with day font supporting structure in conjunction with location sealing structure and positioning boosting mechanism
Door stability.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
In figure: 1, tail-hood, 2, gasket, 3, valve lever bushing, 4, valve body, 5, spool, 6, valve rod, 7, valve seat, 8, platen, 9,
Packing seat, 10, filler, 11, filler pressing sleeve, 12, hold-down grid, 13, bracket, 14, sealing ring, 15, connector sleeve, 16, round nut,
17, single direction thrust ball bearing, 18, flap, 19, straight pin, 20, bolt assembly, 21, holding screw.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1, in this specific embodiment, the utility model provides a kind of eccentric rotary valve, including valve body 4,
Spool 5, valve rod 6, valve seat 7, bracket 13 and actuator, which is characterized in that the valve body 4 is equipped with flow channel and flow pass,
The spool 5 is sensible between the flow pass set on the inflow, and the valve seat 7 is solid by platen 8 and holding screw 21
Due on the valve body 4, the valve seat 7 is equipped with sealing ring 8, and the sealing ring 14 offsets with the spool 5, and to form line face close
Envelope, the valve body 4 is interior to be equipped with flap 18, and the flap 18 is located at 5 rear side of spool, and the spool 5 passes through straight pin
19 are fixedly connected with the valve rod 6, and the valve rod 6 is split type structure comprising valve rod upper section and valve rod lower section, the valve rod
Lower section is sealed by 3 location and installation of valve lever bushing in 4 bottom of valve body, and by tail-hood 1, gasket 2 and bolt assembly 20,
Valve rod upper section one end passes through the valve body 4 and the bracket 13 set on 4 top of valve body is fixedly connected with connector sleeve 15, institute
Connector sleeve 15 is stated by the actuator driven, location sealing component is equipped between the valve rod upper section and the valve body 4, it is described
Positioning power-assisted component is equipped between valve rod upper section and the bracket 13, the cross section of the bracket 13 is in day font structure；It is described
Location sealing component includes Packing seat 9, several layers of 10 filler pressing sleeve 11 of filler and hold-down grid 12；The positioning power-assisted component includes
It is sheathed on the round nut 16 and single direction thrust ball bearing 17 of the valve rod upper section, the single direction thrust ball bearing 17 is set to the branch
Between frame 13 and the valve rod upper section, the round nut 16 is for compressing the single direction thrust ball bearing 17.
With the above arrangement, flap 18 is arranged in 4 valve inner structures of optimization, 4 valve inners, it is therefore prevented that medium residual,
And in the case where big flow, impact of the medium to valve rod 6 is substantially reduced, prevents leakage caused by 6 positional shift of valve rod from asking
Topic, and using 6 structure of valve rod of segmented, in conjunction with location sealing structure and positioning boosting mechanism, in conjunction with day font bracket 13
Structure greatly promotes valve stability.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (3)
1. a kind of eccentric rotary valve, including valve body (4), spool (5), valve rod (6), valve seat (7), bracket (13) and actuator,
Be characterized in that, the valve body (4) be equipped with flow channel and flow pass, the spool (5) be set to it is described flow into it is sensible with it is described
Between flow pass, the valve seat (7) is fixed on the valve body (4) by platen (8) and holding screw (21), the valve seat
(7) it is equipped with sealing ring, the sealing ring (14) and the spool (5) offset to form the sealing of line face, be equipped in the valve body (4)
Flap (18), the flap (18) are located on rear side of the spool (5), the spool (5) by straight pin (19) with it is described
Valve rod (6) is fixedly connected, and the valve rod (6) is split type structure comprising valve rod upper section and valve rod lower section, the valve rod lower section
By valve lever bushing (3) location and installation in the valve body (4) bottom, and pass through tail-hood (1), gasket (2) and bolt assembly
(20) seal, valve rod upper section one end pass through the valve body (4) and be set to the valve body (4) top bracket (13) with connect
Set (15) is fixedly connected, and the connector sleeve (15) is by the actuator driven, between the valve rod upper section and the valve body (4)
Positioning power-assisted component, the bracket (13) are equipped with equipped with location sealing component, between the valve rod upper section and the bracket (13)
Cross section be in day font structure.
2. a kind of eccentric rotary valve according to claim 1, which is characterized in that the location sealing component includes Packing seat
(9), several layers of filler (10) filler pressing sleeve (11) and hold-down grid (12).
3. a kind of eccentric rotary valve according to claim 1, which is characterized in that the positioning power-assisted component includes being sheathed on
The round nut (16) and single direction thrust ball bearing (17) of the valve rod upper section, the single direction thrust ball bearing (17) are set to the branch
Between frame (13) and the valve rod upper section, the round nut (16) is for compressing the single direction thrust ball bearing (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821733630.XU CN209278533U (en) | 2018-10-25 | 2018-10-25 | A kind of eccentric rotary valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821733630.XU CN209278533U (en) | 2018-10-25 | 2018-10-25 | A kind of eccentric rotary valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209278533U true CN209278533U (en) | 2019-08-20 |
Family
ID=67599254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821733630.XU Active CN209278533U (en) | 2018-10-25 | 2018-10-25 | A kind of eccentric rotary valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209278533U (en) |
-
2018
- 2018-10-25 CN CN201821733630.XU patent/CN209278533U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 150, Hongrui Road, Shacheng street, Longwan District, Wenzhou City, Zhejiang Province Patentee after: Zhitai Technology Group Co.,Ltd. Address before: No. 150, Hongrui Road, Shacheng street, Longwan District, Wenzhou City, Zhejiang Province Patentee before: Zhitai Valve Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |