CN107420626A - A kind of high-precision regulating valve - Google Patents
A kind of high-precision regulating valve Download PDFInfo
- Publication number
- CN107420626A CN107420626A CN201710322084.4A CN201710322084A CN107420626A CN 107420626 A CN107420626 A CN 107420626A CN 201710322084 A CN201710322084 A CN 201710322084A CN 107420626 A CN107420626 A CN 107420626A
- Authority
- CN
- China
- Prior art keywords
- gear
- valve body
- screw rod
- flap
- expansion link
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/05—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor specially adapted for operating hand-operated valves or for combined motor and hand operation
- F16K31/055—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor specially adapted for operating hand-operated valves or for combined motor and hand operation for rotating valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0008—Mechanical means
- F16K37/0016—Mechanical means having a graduated scale
Abstract
The invention discloses a kind of high-precision regulating valve, including valve body, through hole is offered at the top of valve body, flap is slidably fitted with the inwall of the valve body, and the connecting rod in through hole is connected with the top of flap, pilot sleeve is arranged with the outer wall of the connecting rod, and the bottom of wire sleeve is welded with valve body, mounting hole is provided with the top of the wire sleeve, screw rod has been connected through a screw thread on the inwall of mounting hole, and the bottom of screw rod is connected by the top of bearing and connecting rod, the first gear being arranged with the outer wall of screw rod above pilot sleeve, and the top side of valve body is welded with expansion link, bearing is socketed with the top of expansion link.In the present invention, screw rod, which rotates, drives first gear to rotate, and first gear, which rotates, drives second gear to rotate, pointer moves with the rotation of second gear above dial, the distance of instruction flap movement, can be that the position of flap accurately positions, and it is simple in construction, it is cheap.
Description
Technical field
The present invention relates to regulating valve technical field, more particularly to a kind of high-precision regulating valve.
Background technology
Regulating valve also known as control valve, be in industrial automation process control field, it is defeated by receiving regulation unit
The control signal gone out, go to change the final control member of the technological parameters such as rate-of flow, pressure, temperature, liquid level by power operation
Part, typically it is made up of executing agency and valve, if pressing stroke feature, regulating valve can be divided into Direct Travel and angle stroke, by its work(
Can and characteristic be divided into three kinds of linear characteristic, equal percentage characteristics and parabolic characteristic, regulating valve is applied to empty gas and water, steam, each
The media such as kind Korrosionsmedium, mud, oil product.
Existing common regulating valve accurately can not be determined the position of flap during rate-of flow is adjusted
Position, and the regulating valve price positioned by sensor to flap is higher.
The content of the invention
The invention aims to solve shortcoming present in prior art, and a kind of high-precision regulation proposed
Valve.
To achieve these goals, present invention employs following technical scheme：
A kind of high-precision regulating valve, including valve body, through hole is offered at the top of valve body, is slidably installed on the inwall of the valve body
There is flap, and the connecting rod in through hole be connected with the top of flap, pilot sleeve is arranged with the outer wall of the connecting rod,
And the bottom of wire sleeve is welded with valve body, is provided with mounting hole at the top of the wire sleeve, is passed through spiral shell on the inwall of mounting hole
Line is connected with screw rod, and the bottom of screw rod is connected by the top of bearing and connecting rod, and position is arranged with the outer wall of the screw rod
First gear above pilot sleeve, and the top side of valve body is welded with expansion link, is socketed with the top of the expansion link
Bearing, and second gear is socketed with the outer wall of bearing, the top side of the second gear is welded with metal column, and metal column
Pointer is connected with, and second gear engages with first gear, is welded with the side outer wall of the expansion link horizontally disposed solid
Fixed pole, fix bar is located at the lower section of second gear, and the one end of fix bar away from expansion link is connected with the scale of ring-shaped structure
Disk, expansion link and pilot sleeve are respectively positioned on the inner side of dial.
Preferably, the length of the screw rod is 2-3 times of flap haul distance.
Preferably, the both sides of the valve body are connected to feed tube and drain pipe, flap and feed tube and drain pipe shape
Into being slidably matched, and the place of being slidably connected of flap and feed tube and drain pipe is equipped with sealing ring.
Preferably, the center of the dial overlaps with the center of screw rod, and dial is provided with what is equidistantly distributed
Graduation mark, the side of graduation mark are coated with the Digital ID coordinated with graduation mark.
Preferably, the expansion link includes sleeve pipe and sub bar, and the inwall of sub bar and sleeve pipe is slidably connected, and second gear is led to
The top for crossing bearing and sub bar connects.
Preferably, the performs device is manual actuator or electric operator, and manual actuator includes hand
Wheel, handwheel is fixedly sleeved on screw rod, and electric operator includes motor, and output shaft and the screw rod of motor weld, and electricity
The both sides outer wall of motivation is welded with L-shaped fix bar, and two L-shaped fix bars are away from motor one end top with valve body respectively
Welding.
Beneficial effects of the present invention are：In the present invention, performs device drives screw rod to rotate, and makes inwall of the connecting rod along through hole
Slide up and down, flap blocks or spilt the mouth of pipe of feed tube and drain pipe, and screw rod, which rotates, drives first gear to rotate, first gear
Rotate and drive second gear to rotate, pointer moves with the rotation of second gear above dial, instruction flap movement away from
From, can be that the position of flap accurately positions, and it is simple in construction, it is cheap.
Brief description of the drawings
Fig. 1 is a kind of vertical section structural representation of high-precision regulating valve proposed by the present invention；
Fig. 2 is the screw rod and dial overlooking the structure diagram of a kind of high-precision regulating valve proposed by the present invention.
In figure：1 valve body, 2 flaps, 3 connecting rods, 4 screw rods, 5 performs devices, 6 first gears, 7 expansion links, 8 second gears,
9 pointers, 10 dials.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.
Reference picture 1-2, a kind of high-precision regulating valve, including valve body 1, the top of valve body 1 offer through hole, valve body 1
It is slidably fitted with flap 2 on inwall, and the top of flap 2 is connected with the connecting rod 3 in through hole, on the outer wall of connecting rod 3
Pilot sleeve is arranged with, and the bottom of wire sleeve is welded with valve body 1, and mounting hole is provided with the top of wire sleeve, mounting hole
Screw rod 4 has been connected through a screw thread on inwall, and the bottom of screw rod 4 is connected by bearing with the top of connecting rod 3, outside screw rod 4
The first gear being arranged with wall above pilot sleeve, and the top side of valve body 1 is welded with expansion link 7, expansion link 7
Top is socketed with bearing, and second gear 8 is socketed with the outer wall of bearing, and the top side of second gear 8 is welded with metal column,
And metal column is connected with pointer 9, and second gear 8 is engaged with first gear 6, and level is welded with the side outer wall of expansion link 7
The fix bar of setting, fix bar is located at the lower section of second gear 8, and the one end of fix bar away from expansion link 7 is connected with ring-shaped
The dial 10 of structure, expansion link 7 and pilot sleeve are respectively positioned on the inner side of dial 10.
In the present invention, the length of screw rod 4 is 2-3 times of the haul distance of flap 2, and the both sides of valve body 1 are connected to feed liquor
Pipe and drain pipe, flap 2 are formed with feed tube and drain pipe and are slidably matched, and the slip of flap 2 and feed tube and drain pipe connects
The place of connecing is equipped with sealing ring, and the center of dial 10 overlaps with the center of screw rod 4, and dial 10 is provided with and equidistantly distributed
Graduation mark, the side of graduation mark is coated with the Digital ID coordinated with graduation mark, and expansion link 7 includes sleeve pipe and sub bar, sub bar
It is slidably connected with the inwall of sleeve pipe, and second gear 8 is connected by the top of bearing and sub bar, performs device 5 is to manually perform
Mechanism or electric operator, and manual actuator includes handwheel, handwheel is fixedly sleeved on screw rod 4, electric operator
Including motor, output shaft and the screw rod 4 of motor weld, and the both sides outer wall of motor is welded with L-shaped fix bar, and two
Individual L-shaped fix bar is welded away from top of the motor one end respectively with valve body 1.
Operation principle：Screw rod 4 rotates, and connecting rod 3 is slided up and down along the inwall of through hole, and flap 2 blocks or spilt feed liquor
The mouth of pipe of pipe and drain pipe, screw rod 4, which rotates, drives first gear 6 to rotate, and first gear 6, which rotates, drives second gear 8 to rotate, and refers to
The movement above dial 10 with the rotation of second gear 8 of pin 9, the signified scale of pointer 9 and numeral are identified as flap 3 and moved
Distance.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (6)
1. a kind of high-precision regulating valve, including valve body（1）, valve body（1）Top offer through hole, it is characterised in that it is described
Valve body（1）Inwall on be slidably fitted with flap（2）, and flap（2）Top be connected with the connecting rod in through hole（3）,
The connecting rod（3）Outer wall on be arranged with pilot sleeve, and the bottom of wire sleeve and valve body（1）Welding, the wire sleeve
The top of cylinder is provided with mounting hole, and screw rod has been connected through a screw thread on the inwall of mounting hole（4）, and screw rod（4）Bottom pass through axle
Hold and connecting rod（3）Top connection, the screw rod（4）Outer wall on be arranged with first gear above pilot sleeve,
And valve body（1）Top side be welded with expansion link（7）, the expansion link（7）Top be socketed with bearing, and the outer wall of bearing
On be socketed with second gear（8）, the second gear（8）Top side be welded with metal column, and metal column is connected with pointer
（9）, and second gear（8）With first gear（6）Engagement, the expansion link（7）Side outer wall on be welded with it is horizontally disposed
Fix bar, fix bar are located at second gear（8）Lower section, and fix bar is away from expansion link（7）One end be connected with ring-shaped knot
The dial of structure（10）, expansion link（7）Dial is respectively positioned on pilot sleeve（10）Inner side.
A kind of 2. high-precision regulating valve according to claim 1, it is characterised in that the screw rod（4）Length be valve
Valve（2）2-3 times of haul distance.
A kind of 3. high-precision regulating valve according to claim 1, it is characterised in that the valve body（1）Both sides difference
It is connected with feed tube and drain pipe, flap（2）Formed and be slidably matched with feed tube and drain pipe, and flap（2）With feed tube and
The place of being slidably connected of drain pipe is equipped with sealing ring.
A kind of 4. high-precision regulating valve according to claim 1, it is characterised in that the dial（10）Center with
Screw rod（4）Center overlap, and dial（10）Provided with the graduation mark equidistantly distributed, the side of graduation mark be coated with
The Digital ID that graduation mark coordinates.
A kind of 5. high-precision regulating valve according to claim 1, it is characterised in that the expansion link（7）Including sleeve pipe
And sub bar, the inwall of sub bar and sleeve pipe is slidably connected, and second gear（8）Connected by the top of bearing and sub bar.
A kind of 6. high-precision regulating valve according to claim 1, it is characterised in that the performs device（5）To be manual
Executing agency or electric operator, and manual actuator includes handwheel, handwheel is fixedly sleeved in screw rod（4）On, it is electronic to hold
Row mechanism includes motor, the output shaft and screw rod of motor（4）Welding, and the both sides outer wall of motor is welded with L-shaped and consolidated
Fixed pole, and two L-shaped fix bars away from motor one end respectively with valve body（1）Top welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710322084.4A CN107420626A (en) | 2017-05-09 | 2017-05-09 | A kind of high-precision regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710322084.4A CN107420626A (en) | 2017-05-09 | 2017-05-09 | A kind of high-precision regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107420626A true CN107420626A (en) | 2017-12-01 |
Family
ID=60425751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710322084.4A Pending CN107420626A (en) | 2017-05-09 | 2017-05-09 | A kind of high-precision regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107420626A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113775815A (en) * | 2021-09-23 | 2021-12-10 | 和韩伟 | Agricultural production science is irrigated and is used self-interacting valve |
-
2017
- 2017-05-09 CN CN201710322084.4A patent/CN107420626A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113775815A (en) * | 2021-09-23 | 2021-12-10 | 和韩伟 | Agricultural production science is irrigated and is used self-interacting valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171201 |
|
| WD01 | Invention patent application deemed withdrawn after publication |