CN105822814A - Low-voltage actuator used for pushing up-down-stroke valve - Google Patents
Low-voltage actuator used for pushing up-down-stroke valve Download PDFInfo
- Publication number
- CN105822814A CN105822814A CN201610360491.XA CN201610360491A CN105822814A CN 105822814 A CN105822814 A CN 105822814A CN 201610360491 A CN201610360491 A CN 201610360491A CN 105822814 A CN105822814 A CN 105822814A
- Authority
- CN
- China
- Prior art keywords
- low
- voltage
- valve
- executor
- push rod
- 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.)
- Granted
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
- F16K31/041—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves
-
- 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
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
- F16K31/535—Mechanical actuating means with toothed gearing for rotating valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electrically Driven Valve-Operating Means (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention discloses a low-voltage actuator used for pushing an up-down-stroke valve. The low-voltage actuator comprises a housing as well as a motor and a transmission device arranged in the housing, wherein the transmission device comprises a gear reducer; the gear reducer is in transmission connection with the output shaft of the motor; the output gear of the gear reducer is connected with a worm; the lower end of the worm is provided with a pushing rod which moves up and down under action of the worm in a sleeved manner; the pushing rod is in threaded connection with the worm; and the bottom surface of the housing is provided with a through hole for allowing the pushing rod to move up and down; the pushing rod is in transmission connection with a pressure cap of the valve so as to control opening and closing of the valve. According to the low-voltage actuator, the worm is matched with the pushing rod, so that self-locking after power failure can be realized, and therefore, the valve also can be continuously closed even power failure happens; and meanwhile, a mechanical type transmission structure is adopted, so that the operation is stable and reliable, requirements on rated voltage of the motor are reduced, energy conservation and environment protection are achieved, and the low voltage is safer.
Description
Technical field
The present invention relates to a kind of executor.
Background technology
Executor is the actuator in automatic control system and control valve assembly.Its effect in automatic control system is to accept to carry out the signal that self tuning regulator sends, and with it in the position of process pipeline and characteristic, regulates the flow of processing medium, thus by controlled numerical control system in the scope required by production process.
Executor is divided into pneumatic actuator, YE and hydraulic actuator.Pneumatic actuator volume is big, and distribution is complicated, and needs source of the gas.Hydraulic actuator is big due to volume, and structure is complicated, and cost is high, applies in general to large-scale working space.Civilian executor at most uses YE.YE on market today is mostly to access civilian 220V voltage, expansion principle is utilized to promote stop valve upper-lower compacting, reaching to control the purpose of the switch of valve, meanwhile, the executor of expansion principle needs the state that valve could be kept continuously off of powering for a long time, once power-off, will valve opening, be unfavorable for energy-conserving and environment-protective, sealing property is poor, volume is big, and civilian 220V voltage exists certain risk.It addition, the YE of existing axle motion mode, structure is the most complex, thus causes volume big, and fault rate is high, maintenance inconvenience, and needs continued power, there is certain risk.
Summary of the invention
In order to overcome the above-mentioned deficiency of existing executor, the present invention provides the low-voltage executor for promoting up-downgoing stroke valve of a kind of energy-conserving and environment-protective.
The present invention solves the technical scheme of its technical problem: a kind of for promoting the low-voltage executor of up-downgoing stroke valve, including housing, and it is arranged on the motor in described housing and actuating device, described actuating device includes gear reduction unit, described gear reduction unit is in transmission connection with the output shaft of described motor, the output gear of described gear reduction unit connects worm screw, the lower end of described worm screw is arranged with the push rod moved up and down by worm screw effect, and described push rod is connected with described worm thread, the bottom surface of described housing offers the through hole moved up and down for described push rod, the pressure cap of described push rod and valve is in transmission connection thus controls the opening and closing of valve.
Further, described housing includes that upper cover and base, described upper cover are connected with described whorl of base.
Further, the lower end of described housing has the positive stop strip downwardly extended, and described positive stop strip surrounds a limit chamber, and described positive stop strip is additionally provided with spacing block set；
Also including that a nut, the lower end of described nut are threadeded with valve, the upper end of described nut is provided with the spacing collar of taper, and described spacing block set snaps in described spacing collar thus by spacing for described nut.
Further, the bottom of described housing raises up and is provided with the fairlead for spacing described push rod.
Further, described push rod is equipped with guide post, and described fairlead offers stopper slot, and after described push rod moves down certain distance, described guide post is blocked by described stopper slot.
Further, being provided with the receiving box for accommodating described gear reduction unit in described base, the upper surface of described receiving box flushes with the upper surface of described base, and the upper surface of described receiving box and lower surface are equipped with axis hole.
Further, described push rod is provided with first annular groove, is embedded with the first sealing ring in described first annular groove.
Further, the upper surface of described base is provided with the second cannelure, and the lower surface of described upper cover is provided with the annular flange flange of protrusion, and described annular flange flange buckles into the second described cannelure.
Further, the second sealing ring it is provided with between described annular flange flange and the second described cannelure.
Further, the outer surface of described nut is provided with annular knurl.
The beneficial effects of the present invention is: 1. coordinating by worm screw and push rod, can realize self-locking after power-off, reaching valve during power-off also can persistence closedown effect.2. using mechanical drive mechanism, operate steadily reliable, reduce the requirement to Rated motor voltage simultaneously, the present invention uses the motor of below direct current 36V, energy-conserving and environment-protective, and low-voltage is safer.3. present configuration is simple, and easy for installation, volume is little, and actual product is closely sized to 4cm × 3cm × 3cm, and therefore the scope of application is the widest.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the present invention.
Fig. 2 is the explosive view of the present invention.
Fig. 3 is the sectional view of the present invention.
Fig. 4 is the sectional view of push rod.
Fig. 5 is the structural representation of upper cover.
Fig. 6 is the structural representation of base.
Fig. 7 is the upward view of base.
Detailed description of the invention
With detailed description of the invention, the present invention is described in further detail below in conjunction with the accompanying drawings.
With reference to Fig. 1～Fig. 7, a kind of for promoting the low-voltage executor of up-downgoing stroke valve, including housing, and the motor 1 that is arranged in described housing and actuating device, in the present embodiment, described actuating device includes gear reduction unit 2, described gear reduction unit 2 is in transmission connection with the output shaft of described motor 1, the output gear of described gear reduction unit 2 connects worm screw 3, the lower end of described worm screw 3 is arranged with the push rod 4 moved up and down by worm screw effect, i.e. described worm screw 3 has external screw thread, described push rod 4 has female thread, in the described push rod described in worm screw insertion, described worm screw 3 is threadeded with described push rod 4.The bottom surface of described housing offers the through hole 5 moved up and down for described push rod 4, and described push rod 4 and the pressure cap 7 of valve 6 are in transmission connection thus control the opening and closing of valve 6.
In the present embodiment, described housing includes that upper cover 8 and base 9, described upper cover 8 are threadeded with described base 9, simple in construction, it is easy to dismounting.
In the present embodiment, the lower end of described housing has the positive stop strip 10 downwardly extended, described positive stop strip surrounds a limit chamber, described positive stop strip 10 is additionally provided with spacing block set 11, also include a nut 12, threaded with valve 6 in the lower end of described nut 12, the upper end of described nut 12 is provided with the spacing collar 13 of taper, described spacing block set 11 snaps in described spacing collar 13 thus by spacing for described nut 12, installing/dismounting between device easy to carry out and valve, and the push rod 4 in limit chamber and pressure cap 7 are carried out the most spacing.
In the present embodiment, the outer surface of described nut 12 is provided with annular knurl, when being screwed into, increases frictional force so that install more smoothly.
In the present embodiment, the bottom of described housing raises up and is provided with the fairlead 14 for spacing described push rod 4, and push rod 4 is when moving up and down, and push rod 4 is played guide effect by fairlead 14, and when by greater impact power, can the most anti-throw-out lever come off displacement phenomenon occur.
In the present embodiment, described push rod 4 is equipped with guide post 15, and described fairlead 14 offers stopper slot 16, after described push rod 4 moves down certain distance, described guide post 15 is blocked by described stopper slot 16, can anti-excessive the moving down of throw-out lever 4, cause and mutually damage between part.
In the present embodiment, the receiving box 17 for accommodating described gear reduction unit 2 it is provided with in described base 9, the upper surface of described receiving box 17 flushes with the upper surface of described base 9, and the upper surface of described receiving box 17 and lower surface are equipped with axis hole 18, make the layout in housing more reasonable, the entirety of executor is smaller and more exquisite, and provides enough stability for gear reduction unit 2.
In the present embodiment, described push rod 4 is provided with first annular groove 19, the first sealing ring 20 it is embedded with in described first annular groove 19, the upper surface of described base 9 is provided with the second cannelure 21, the lower surface of described upper cover 8 is provided with the annular flange flange 22 of protrusion, and described annular flange flange 22 buckles into the second described cannelure 21.The second sealing ring 23 it is provided with between described annular flange flange 22 and the second described cannelure 21.Owing to valve often contacts with gas, liquid, the setting of sealing ring can ensure that relatively dry, stable working environment in executor, and service life is longer.
The present embodiment is in use, switch on power, outside control circuit drives motor 1 to run, motor 1 driven gear decelerator 2 slows down, and gear reduction unit 2 drives worm screw 3 to rotate, owing to worm screw 3 is threadeded with push rod 4, therefore worm screw 3 can drive push rod 4 to move up and down, during push rod 4 moves down, pressure cap 7 will be pushed down so that pressure cap moves down the most simultaneously.After push rod 4 moves down certain distance, it is spacing that guide post 15 is directed to overlap 14 institutes, will be unable to continue to move down, and now, pressure cap is the most descending to put in place, and valve is closed.Deenergization, owing to worm structure has self-locking, push rod 4 would not move up, and valve has just reached power-off and continuously off state.Opening valve when needs is, only needs control circuit to drive motor 1 to overturn.
The present invention uses the mechanical kind of drive, simple in construction, compact, it is only necessary to uses the motor of below 36V to provide for enough power, has the function cut off self-lock, the most more energy-conserving and environment-protective simultaneously, and safer.
Claims (10)
1. the low-voltage executor being used for promoting up-downgoing stroke valve, including housing, and it is arranged on the motor in described housing and actuating device, it is characterized in that: described actuating device includes gear reduction unit, described gear reduction unit is in transmission connection with the output shaft of described motor, the output gear of described gear reduction unit connects worm screw, the lower end of described worm screw is arranged with the push rod moved up and down by worm screw effect, and described push rod is connected with described worm thread, the bottom surface of described housing offers the through hole moved up and down for described push rod, the pressure cap of described push rod and valve is in transmission connection thus controls the opening and closing of valve.
It is the most according to claim 1 for promoting the low-voltage executor of up-downgoing stroke valve, it is characterised in that: described housing includes that upper cover and base, described upper cover are connected with described whorl of base.
It is the most according to claim 1 for promoting the low-voltage executor of up-downgoing stroke valve, it is characterised in that: the lower end of described housing has the positive stop strip downwardly extended, and described positive stop strip surrounds a limit chamber, and described positive stop strip is additionally provided with spacing block set；
Also including that a nut, the lower end of described nut are threadeded with valve, the upper end of described nut is provided with the spacing collar of taper, and described spacing block set snaps in described spacing collar thus by spacing for described nut.
It is the most according to claim 1 for promoting the low-voltage executor of up-downgoing stroke valve, it is characterised in that: the bottom of described housing raises up and is provided with the fairlead for spacing described push rod.
The most according to claim 4 for promoting the low-voltage executor of up-downgoing stroke valve, it is characterized in that: described push rod is equipped with guide post, described fairlead offers stopper slot, and after described push rod moves down certain distance, described guide post is blocked by described stopper slot.
6. the low-voltage executor for promoting up-downgoing stroke valve described in claim 2, it is characterized in that: in described base, be provided with the receiving box for accommodating described gear reduction unit, the upper surface of described receiving box flushes with the upper surface of described base, and the upper surface of described receiving box and lower surface are equipped with axis hole.
It is the most according to claim 1 for promoting the low-voltage executor of up-downgoing stroke valve, it is characterised in that: described push rod is provided with first annular groove, is embedded with the first sealing ring in described first annular groove.
The most according to claim 2 for promoting the low-voltage executor of up-downgoing stroke valve, it is characterized in that: the upper surface of described base is provided with the second cannelure, the lower surface of described upper cover is provided with the annular flange flange of protrusion, and described annular flange flange buckles into the second described cannelure.
It is the most according to claim 8 for promoting the low-voltage executor of up-downgoing stroke valve, it is characterised in that: it is provided with the second sealing ring between described annular flange flange and the second described cannelure.
It is the most according to claim 3 for promoting the low-voltage executor of up-downgoing stroke valve, it is characterised in that: the outer surface of described nut is provided with annular knurl.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610360491.XA CN105822814B (en) | 2016-05-28 | 2016-05-28 | It is a kind of for pushing the low-voltage actuator of upper and lower motion valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610360491.XA CN105822814B (en) | 2016-05-28 | 2016-05-28 | It is a kind of for pushing the low-voltage actuator of upper and lower motion valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105822814A true CN105822814A (en) | 2016-08-03 |
| CN105822814B CN105822814B (en) | 2019-02-05 |
Family
ID=56532312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610360491.XA Active CN105822814B (en) | 2016-05-28 | 2016-05-28 | It is a kind of for pushing the low-voltage actuator of upper and lower motion valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105822814B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2145285Y (en) * | 1992-10-09 | 1993-11-03 | 北京市丰台区新桦科技产品开发有限公司 | Electronic expansion valve with computer controlled |
| CN2254137Y (en) * | 1995-12-07 | 1997-05-14 | 吴立仁 | Gas stop valve |
| CN1211696A (en) * | 1997-09-18 | 1999-03-24 | 王庆宪 | Electric regulating valve |
| JP2000257739A (en) * | 1999-03-05 | 2000-09-19 | Pacific Ind Co Ltd | Stopper of electric valve |
| EP2284461A1 (en) * | 2009-07-28 | 2011-02-16 | Hamilton Sundstrand Corporation | Expansion valve for a refrigerant system |
| WO2011083432A3 (en) * | 2010-01-07 | 2011-11-17 | Bray International, Inc. | Bonnet with gear actuator for angle valves |
| CN203731554U (en) * | 2013-08-14 | 2014-07-23 | 慈溪凯业电器有限公司 | Anti-theft thermoplastic case of split-installation type on-off valve |
| CN204664558U (en) * | 2014-11-18 | 2015-09-23 | 王英才 | A kind of high accuracy number valve positioner |
| CN205806627U (en) * | 2016-05-28 | 2016-12-14 | 慈溪凯业电器有限公司 | A kind of for promoting the low-voltage executor of up-downgoing stroke valve |
-
2016
- 2016-05-28 CN CN201610360491.XA patent/CN105822814B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2145285Y (en) * | 1992-10-09 | 1993-11-03 | 北京市丰台区新桦科技产品开发有限公司 | Electronic expansion valve with computer controlled |
| CN2254137Y (en) * | 1995-12-07 | 1997-05-14 | 吴立仁 | Gas stop valve |
| CN1211696A (en) * | 1997-09-18 | 1999-03-24 | 王庆宪 | Electric regulating valve |
| JP2000257739A (en) * | 1999-03-05 | 2000-09-19 | Pacific Ind Co Ltd | Stopper of electric valve |
| EP2284461A1 (en) * | 2009-07-28 | 2011-02-16 | Hamilton Sundstrand Corporation | Expansion valve for a refrigerant system |
| WO2011083432A3 (en) * | 2010-01-07 | 2011-11-17 | Bray International, Inc. | Bonnet with gear actuator for angle valves |
| CN203731554U (en) * | 2013-08-14 | 2014-07-23 | 慈溪凯业电器有限公司 | Anti-theft thermoplastic case of split-installation type on-off valve |
| CN204664558U (en) * | 2014-11-18 | 2015-09-23 | 王英才 | A kind of high accuracy number valve positioner |
| CN205806627U (en) * | 2016-05-28 | 2016-12-14 | 慈溪凯业电器有限公司 | A kind of for promoting the low-voltage executor of up-downgoing stroke valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105822814B (en) | 2019-02-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103322269B (en) | The electric actuator that cylinder type linear motor drives | |
| CN205806627U (en) | A kind of for promoting the low-voltage executor of up-downgoing stroke valve | |
| CN109140026B (en) | A kind of all electric underwater gate valve actuator | |
| CN201838507U (en) | Vacuum circuit breaker and tripping cushioning device thereof | |
| CN109080593A (en) | The hand integrated supporting leg of motor machine | |
| CN111810655B (en) | Electric flow regulating valve | |
| CN206054892U (en) | A kind of safety Direct Travel executor | |
| CN209159664U (en) | The hand integrated supporting leg of motor machine | |
| CN113700921B (en) | Electric direct-drive balanced type stop valve | |
| CN102777661A (en) | Control method and control device of slow speed type electric valve | |
| CN105822814A (en) | Low-voltage actuator used for pushing up-down-stroke valve | |
| CN103216478A (en) | Digital hydraulic motor | |
| CN107143012B (en) | Electric control hydraulic drainage device | |
| CN203541212U (en) | High-speed servo die punching mechanism | |
| CN216867677U (en) | Adjusting mechanism of pneumatic actuator for valve | |
| CN112283431A (en) | Low-torque electric gas gate valve | |
| CN209766311U (en) | Vertical telescopic pneumatic high-voltage isolating switch | |
| CN203051917U (en) | Control device of valve three-interruption protection | |
| CN202322248U (en) | Fixed hoist feed transporter capable of being controlled by limit | |
| CN205713543U (en) | A kind of hermatic door automatic locking mechanism of pressure vessel in steriliser | |
| CN104695900A (en) | Intelligent explosion-proof solenoid valve | |
| CN204361027U (en) | For the hydraulic electromagnetic changement of primary cut-out hydraulic spring grease cup powder operation device | |
| CN201008816Y (en) | High pressure cleaning machine gun stopping device | |
| CN203297722U (en) | Actuator of automatic flow control device | |
| CN202418080U (en) | Digital hydraulic motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |