CN207569298U - A kind of clutch valve driving device - Google Patents
A kind of clutch valve driving device Download PDFInfo
- Publication number
- CN207569298U CN207569298U CN201721440360.9U CN201721440360U CN207569298U CN 207569298 U CN207569298 U CN 207569298U CN 201721440360 U CN201721440360 U CN 201721440360U CN 207569298 U CN207569298 U CN 207569298U
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- worm
- housing
- shaft
- eccentric block
- connecting portion
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Abstract
This application provides a kind of clutch valve driving devices, worm gear and worm screw including housing and in housing, the worm gear set rotates synchronously on worm-wheel shaft and with worm-wheel shaft, the part that worm-wheel shaft stretches out case top lid is equipped with first connecting portion, and the part that worm-wheel shaft stretches out housing lower cover is equipped with second connecting portion；The worm set rotates synchronously on worm shaft and with worm shaft, and worm shaft is arranged in a crossed manner with worm-wheel shaft, and the both ends that worm shaft stretches out housing both pass through eccentric block and are installed on eccentric block, and one end that worm shaft stretches out eccentric block is equipped with third connecting portion；The eccentric block is fixedly mounted on the front and rear sides of housing, and worm shaft is driven to be rotated in housing centered on fixing axle, so as to fulfill the engagement or separation of worm and wheel.The present apparatus can be combined with pneumatic actuator or Electric Actuator realizes cutting-off valve Pneumatic and manual or electric and hand control, structure simplify, are reliable.
Description
Technical field
This application involves valve technology fields, and in particular to a kind of hand automatic valve switching driving device.
Background technology
At present, it in the automatic adjustment of the industries such as chemical industry, oil, metallurgy, electric power, light textile and remote control, often applies
To the valve with electric and pneumatic actuator, when having a power failure or stopping the supple of gas or steam these automatic valves often in preset normally opened or
Normally off, and need to change the open/close states cut off in practical applications, the keying that valve is manually operated at this time is just quite tired
It is difficult.
Chinese patent CN203297411 discloses a kind of hand-operated pneumatic switching device of pneumatic actuator, by rotating hand
Grip strip moves the separation of switching pin and clutch or is implemented in combination with the hand automatic switchover of pneumatic pneumatic actuator.
Chinese patent CN203532913 discloses a kind of electric valve executing mechanism hand-electric switching device, including manual
Executing agency, the clutch to link with it and the worm gear with clutch linkage, the clutch switching device on worm gear are led to
It crosses and shakes the handle of switching device and clutch is made to detach with hand actuator combined with worm gear or clutch and hand actuator
It is detached with reference to worm gear, realizes manually or electrically control valve.
Utility model content
The utility model provides a kind of clutch valve driving device, can be applicable in electric and pneumatic control, it can be achieved that
Electric valve manually or Pneumatic and manual free switching.
The technical solution adopted in the utility model is：
A kind of clutch valve driving device, including housing, it is characterised in that：Engageable or separation in housing
Worm gear and worm screw；The worm gear set rotates synchronously on worm-wheel shaft and with worm-wheel shaft, and worm-wheel shaft runs through housing and can up and down
It is rotated in housing, the part that worm-wheel shaft stretches out case top lid is equipped with first connecting portion, and worm-wheel shaft stretches out the part of housing lower cover
Equipped with second connecting portion；The worm set rotates synchronously on worm shaft and with worm shaft, and worm shaft intersects with worm-wheel shaft to be set
It puts, the worm shaft is front and rear through housing, and the both ends that worm shaft stretches out housing both pass through eccentric block and are rotationally installed in partially
On heart block, one end that worm shaft stretches out eccentric block is equipped with third connecting portion；The eccentric block centered on fixing axle rotationally
It is fixedly mounted on the front and rear sides of housing.
Further, the handle that lifting eccentric block is rotated around fixing axle is installed on the eccentric block.It is lifted by handle
It is convenient to automatically switch manually.
Further, the eccentric block, which is equipped with, can limit the stop screw that eccentric block is rotated around fixing axle.Worm screw with
Worm gear be in engagement or during disengaged position locking stop screw can when eccentric block be relatively fixed axis fixation and can not rotate, prevent bias
Block drives worm screw rotation so as to change engagement or disengaged position.
Further, the positioning bolt of limitation worm gear rotation displacement is additionally provided in the housing.It is adjusted by positioning bolt
The displacement of worm gear rotation is limited, aperture and closed position so as to control valve, it is ensured that full closing state is in when valve is closed.
Further, the positioning bolt has two, is respectively arranged on the both sides of worm gear.Side bolt is opened for control valve
Degree, opposite side are used for control valve closed state.
Further, the upper cover of the housing and lower cover split connection by connecting bolt.Such design easy disassembly.
Further, the first connecting portion is the actuator connection bump being adapted with the notch of actuator output shaft.
Valve actuator is inserted into the notch of actuator output shaft by the actuator connection bump and is connect with actuator.
Further, the second connecting portion is to be opened in the stop valve being adapted with stop valve valve rod of worm gear shaft end
Connection breach.The valve rod of stop valve is inserted into the stop valve connection breach and is connect with valve actuator.
Further, the third connecting portion is the handwheel connection bump being adapted with handwheel central indentation.Handwheel is arranged
In handwheel connection bump.
Further, the sliding slot being adapted with worm shaft movement locus is offered on the housing.The design of sliding slot makes snail
Bar is rotated along sliding slot, and rotation is reliable.
The beneficial effects of the utility model：
The clutch valve driving device that the application provides can be combined with pneumatic actuator or Electric Actuator to cut-out
Valve realizes that Pneumatic and manual or electric and hand control, present apparatus structure simplify, are reliable.
Description of the drawings
Fig. 1 is a kind of overlooking the structure diagram for opening upper cover of embodiment of the utility model.
Fig. 2 is facade partial sectional views of the Fig. 1 (comprising upper cover) under auto state.
Fig. 3 is facade partial sectional views of the Fig. 1 (comprising upper cover) under manual mode.
Specific embodiment
Purpose, technical scheme and advantage to make the application are clearer, below in conjunction with attached in the embodiment of the present application
Figure, is clearly and completely described the technical solution in the embodiment of the present application.
The meaning of "and/or" described herein refers to that the simultaneous situation of respective individualism or both is wrapped
Including including.
The meaning of " inside and outside " described herein referred to relative to equipment itself, the side inside sensing equipment
To be interior, on the contrary is outer.What the meaning of " upper and lower, forward and backward " referred to the present apparatus shown in attached drawing puts orientation, such as 2 institute of attached drawing
Show, for " preceding ", the back side is " rear " in front, top surface for " on ", bottom surface be " under ".
Refering to Fig. 1, Fig. 2 and Fig. 3, a kind of clutch valve driving device, including housing, the housing includes case top lid
1 and housing lower cover 2, case top lid 1 connect with housing lower cover 2 by bolt 22, worm gear 3 and worm screw 4 in housing；Institute
It states worm gear 3 to be sleeved on worm-wheel shaft 31 and can rotate synchronously with worm-wheel shaft 31, worm-wheel shaft runs through housing and more than lower casing about 31
Body is rotated for fulcrum in housing, and the part that worm-wheel shaft 31 stretches out case top lid 1 is equipped with first connecting portion 311, in the present embodiment
Middle first connecting portion 311 is that cross section is diamond shape bar, and diamond shape bar is inserted into the notch of actuator output shaft and is connect with actuator, snail
The part that wheel shaft 31 stretches out housing lower cover 2 is equipped with second connecting portion 312, and second connecting portion 312 is pentagon in the present embodiment
Shape blind hole, the valve rod of stop valve is inserted into pentagon blind hole to be connect with the present apparatus；The worm screw 4 be sleeved on worm shaft 41 and
It can be rotated synchronously with worm shaft 41, worm shaft 41 is set with 31 right-angled intersection of worm-wheel shaft, and the worm shaft 41 is front and rear to run through housing,
The both ends that worm shaft 41 stretches out housing both pass through eccentric block 5 and are rotationally installed on eccentric block 5, are radially set on eccentric block 5
There is tapped through hole, stop screw is threaded through (not shown) in tapped through hole, and one end that worm shaft 41 stretches out eccentric block 5 is equipped with
Third connecting portion 411, the third connecting portion 411 is the bar that cross section is square in embodiment, and handwheel sleeve is on bar
It is fixedly connected with worm shaft 41；The eccentric block 5 is rotatably mounted on the front and rear sides of housing by fixing axle A, and with solid
Worm shaft 41 is driven to be rotated in housing centered on dead axle A.Positioning bolt 8 has two, respectively positioned at the both sides of worm gear 3, wherein
It is positioned when a piece restriction worm gear turns to stop valve fully open position, when another restriction worm gear turns to stop valve closed positions
And position, the side wall of housing lower cover 2 is equipped with the positioning screw hole coordinated with positioning bolt 3, and 8 one end of positioning bolt is threaded through fixed
Position screw hole reaches housing cavity, and the other end is stayed in outside housing, and positioning bolt 8 stays in one end outside housing equipped with nut, by turning
Dynamic nut adjusts the length that positioning bolt is extend into housing.Door shape is installed on the eccentric block 5 of housing front and rear sides
Handle 6, lift-pull handle 6, eccentric block 5 drive worm shaft 41 to rotate around fixing axle A.Housing lower cover 2 is equipped with and worm shaft 41
The sliding slot 21 that movement locus is adapted, worm shaft 41 are rotated along sliding slot 21.
The operation principle of the present apparatus is：
First connecting portion 311 is inserted into the notch of electric and pneumatic actuator output shaft and completes the present apparatus and actuator
Connection, the present apparatus and stop valve are completed in the notch for the second connecting portion 312 that the valve rod of stop valve is inserted into the present apparatus
Handwheel sleeve is completed the connection of handwheel and the present apparatus by connection in second connecting portion 411.The nut tune of rotational positioning bolt 8
Section positioning bolt 8 extend into the length in housing, and the positioning bolt of side is tightened when rotation worm gear 3 is to stop valve fully open position and is made
It is with worm gear 3 against the positioning bolt of opposite side is tightened when rotating backward worm gear 3 to stop valve closed positions makes itself and worm gear 3
Against.
When auto state works, upward lift-pull handle 6, eccentric block 5 drives worm screw 4 to rotate down, and worm screw 4 is detached from worm gear 3,
Stop screw on precession eccentric block 5 makes its end, and to stopping on shaft A and locking, actuator drives worm-wheel shaft 31 to rotate, snail
Bar axis 31 drives the valve rod of stop valve to rotate synchronously, so as to fulfill being automatically opened or closed for stop valve.
When manual mode works, downward lift-pull handle 6, eccentric block 5 drives worm screw 4 to be rotated up, and worm screw 4 nibbles with worm gear 3
It closes, the stop screw on precession eccentric block 5 makes its end to stopping on shaft A and locking, by gas remaining in actuator cylinder
Body is discharged, and rotates handwheel, and handwheel drives worm screw 4 to rotate, and worm screw 4 drives worm gear 3 to rotate, and worm gear 3 drives the valve rod of stop valve same
Step rotation, so as to fulfill opening or closing manually for stop valve.
Claims (10)
1. a kind of clutch valve driving device, it is characterised in that：Engageable or separation including housing and in housing
Worm gear and worm screw；The worm gear set rotates synchronously on worm-wheel shaft and with worm-wheel shaft, and worm-wheel shaft runs through housing and can up and down
It is rotated in housing, the part that worm-wheel shaft stretches out case top lid is equipped with first connecting portion, and worm-wheel shaft stretches out the part of housing lower cover
Equipped with second connecting portion；The worm set rotates synchronously on worm shaft and with worm shaft, and worm shaft intersects with worm-wheel shaft to be set
It puts, the worm shaft is front and rear through housing, and the both ends that worm shaft stretches out housing both pass through eccentric block and are rotationally installed in partially
On heart block, one end that worm shaft stretches out eccentric block is equipped with third connecting portion；The eccentric block centered on fixing axle rotationally
It is fixedly mounted on the front and rear sides of housing.
2. valve actuator according to claim 1, it is characterised in that：Lifting eccentric block is installed on the eccentric block
Around the handle of fixing axle rotation.
3. valve actuator according to claim 2, it is characterised in that：The eccentric block, which is equipped with, can limit eccentric block
Around the stop screw of fixing axle rotation.
4. valve actuator according to claim 1, it is characterised in that：Limitation worm gear rotation is additionally provided in the housing
The positioning bolt of displacement.
5. valve actuator according to claim 4, it is characterised in that：The positioning bolt has two, is respectively arranged on
The both sides of worm gear.
6. valve actuator according to claim 1, it is characterised in that：The upper cover and lower cover of the housing pass through connection
Bolt splits connection.
7. valve actuator according to claim 1, it is characterised in that：The first connecting portion is to be exported with actuator
The actuator connection bump that the notch of axis is adapted.
8. valve actuator according to claim 1, it is characterised in that：The second connecting portion is is opened in worm-wheel shaft
The valve connection breach being adapted with stop valve valve rod of end.
9. valve actuator according to claim 1, it is characterised in that：The third connecting portion is lacks with handwheel center
The handwheel connection bump that mouth is adapted.
10. valve actuator according to claim 1, it is characterised in that：It offers on the housing and is transported with worm shaft
The sliding slot that dynamic rail mark is adapted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721440360.9U CN207569298U (en) | 2017-10-31 | 2017-10-31 | A kind of clutch valve driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721440360.9U CN207569298U (en) | 2017-10-31 | 2017-10-31 | A kind of clutch valve driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207569298U true CN207569298U (en) | 2018-07-03 |
Family
ID=62693605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721440360.9U Active CN207569298U (en) | 2017-10-31 | 2017-10-31 | A kind of clutch valve driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207569298U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107606282A (en) * | 2017-10-31 | 2018-01-19 | 普雷沃流体控制科技（芜湖）有限公司 | A kind of clutch valve drive device |
| CN115087828A (en) * | 2019-12-27 | 2022-09-20 | 株式会社鹰取制作所 | Valve actuator |
-
2017
- 2017-10-31 CN CN201721440360.9U patent/CN207569298U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107606282A (en) * | 2017-10-31 | 2018-01-19 | 普雷沃流体控制科技（芜湖）有限公司 | A kind of clutch valve drive device |
| CN115087828A (en) * | 2019-12-27 | 2022-09-20 | 株式会社鹰取制作所 | Valve actuator |
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