CN213629147U - Electric actuator - Google Patents
Electric actuator Download PDFInfo
- Publication number
- CN213629147U CN213629147U CN202022416998.7U CN202022416998U CN213629147U CN 213629147 U CN213629147 U CN 213629147U CN 202022416998 U CN202022416998 U CN 202022416998U CN 213629147 U CN213629147 U CN 213629147U
- Authority
- CN
- China
- Prior art keywords
- valve
- connecting rod
- flange
- controller
- electric actuator
- 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.)
- Withdrawn - After Issue
Links
- 230000001681 protective effect Effects 0.000 claims abstract description 24
- 230000001105 regulatory effect Effects 0.000 claims abstract description 15
- 238000004891 communication Methods 0.000 claims description 3
- 230000011218 segmentation Effects 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 claims 1
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 239000003086 colorant Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000003889 chemical engineering Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Electrically Driven Valve-Operating Means (AREA)
Abstract
An embodiment of the utility model provides an electric actuator, include: the driving assembly, the protective shell of the inner cavity and the connecting assembly; the protective shell is arranged on the top surface of the valve seat; one end of the valve rod, which is far away from one side of the valve body, extends into the protective shell, and the end of the valve rod is fixedly connected with the shaft end of the driving assembly through the connecting assembly; the shaft end of the motor is fixedly connected with one end of a first connecting rod, the other end of the first connecting rod is provided with an internal gear and a first flange, one end of a second connecting rod is provided with a cylindrical gear and a second flange, the cylindrical gear is coaxially meshed in the internal gear, and the first flange is fixedly connected with the second flange through a bolt; the other end of the second connecting rod is fixedly connected to the valve rod; the rotation of the motor is controlled by the controller, so that the valve rod rotates to open or close the regulating valve; the LED indicating lamp is arranged to observe the running state of the regulating valve; the working state of an automatic mode and a manual mode can be switched by setting a switching button; the regulating valve has stable structure and complex function.
Description
Technical Field
The utility model relates to the technical field of executor especially involves and is an electric actuator.
Background
The electric regulating valve has the characteristics of small volume, light weight, simple connection, large flow, high regulating precision and the like, and is widely applied to industrial process automatic control systems in industries such as electric power, petroleum, chemical engineering, metallurgy, environmental protection, light industry, teaching and scientific research equipment and the like. However, the existing electric control valve has a simple internal structure and a single function.
SUMMERY OF THE UTILITY MODEL
The utility model provides an electric actuator, its purpose is solved the problem of "electrical control valve function singleness", in order to realize above-mentioned purpose, the utility model discloses a following technical scheme:
an electric actuator comprising: the valve comprises a valve body, a valve seat and a valve rod, wherein the valve seat is connected to the valve body, and one end of the valve rod provided with a valve core is arranged in the valve body along the central axis of the valve seat; further comprising: the driving assembly, the protective shell of the inner cavity and the connecting assembly; the protective shell is arranged on the top surface of the valve seat; the valve rod far away from one side of the valve body extends into the protective shell and is fixedly connected with the shaft end of the driving assembly through the connecting assembly, and the driving assembly drives the valve rod to rotate;
the drive assembly includes: the device comprises a shell of an inner cavity, a motor, a controller, an LED indicator light and a switching button; the bottom end of the shell is arranged on the top end of the protective shell; the motor is fixedly arranged on the shell; the controller is arranged inside the shell; the switching button and the LED indicator lamp are arranged on the outer wall of the shell; the controller is connected with the motor, the controller, the LED indicating lamp and the switching button;
the coupling assembling includes: the first connecting rod, the second connecting rod, the first flange, the second flange and the bolt; one end of the first connecting rod is fixedly connected with the shaft end of the motor, an internal gear is arranged on the other end face of the first connecting rod, the internal gears are distributed along the axial direction of the first connecting rod, and the first flange is arranged on the first connecting rod; one end of the second connecting rod is provided with a cylindrical gear, the cylindrical gear is coaxially meshed with the internal gear, the other end of the second connecting rod is fixedly connected to the valve rod, and the second flange is arranged on the second connecting rod; and fixedly connecting the first flange with the second flange through bolts.
Further, the power supply is also included, the power supply is 24VDC, and the power supply can meet the 24VAC power supply.
Further, the motor is a low-power consumption direct current brushless motor.
Further, the controller is communicated through an RS485 bus and supports a ModBus protocol.
Further, the number of the LED indicating lamps is multiple, and the colors of the LED indicating lamps are different.
Further, the NFC device is connected with the controller; the NFC communicator sets a communication address of the 485 bus, sets an equal-percentage or equal-linearity valve adjusting characteristic curve, and sets a dead zone range of the valve at a full-open full-close limit position; signal segmentation control setting of the two parallel valves is realized through an NFC communicator; and setting the maximum opening degree and the minimum opening degree of the valve.
Further, the control signals for control are 0-10VDC and 4-20 mA.
Further, the controller is a single chip microcomputer.
Further, the device also comprises a signal amplifier, and the signal amplifier is connected with the controller.
Compared with the prior art, the utility model has the following advantages;
the utility model provides an electric actuator, wherein, a driving component and a connecting component are arranged, the shaft end of a motor is fixedly connected with one end of a first connecting rod, the other end of the first connecting rod is provided with an inner gear and a first flange, one end of a second connecting rod is provided with a cylindrical gear and a second flange, the cylindrical gear is coaxially engaged in the inner gear, and the first flange and the second flange are fixedly connected through a bolt; the other end of the second connecting rod is fixedly connected to the valve rod; the rotation of the motor is controlled by the controller, so that the valve rod rotates to open or close the regulating valve; the LED indicating lamp is arranged to observe the running state of the regulating valve; the working state of an automatic mode and a manual mode can be switched by setting a switching button; the regulating valve has stable structure and complex function.
In addition to the technical problems addressed by the present invention, the technical features constituting the technical solutions, and the advantages brought by the technical features of the technical solutions described above, the present invention provides other technical problems that can be solved, other technical features included in the technical solutions, and advantages brought by the technical features, and further detailed descriptions will be made in the detailed description of the embodiments.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a schematic structural diagram of an electric actuator according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a first connecting rod, a first flange and an internal gear of the present invention;
fig. 3 is a schematic structural diagram of the second connecting rod, the second flange and the cylindrical gear of the present invention.
Reference numerals:
1. a protective shell; 2. a drive assembly; 3. a first connecting rod; 4. a first flange; 5. a second flange; 6. a second connecting rod; 7. a valve stem; 8. a valve body; 9. an internal gear; 10. a cylindrical gear.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail with reference to the accompanying drawings. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1-3, an embodiment of the present invention provides an electric actuator, as shown in fig. 1, including: the valve comprises a valve body 8, a valve seat and a valve rod 7, wherein the valve seat is connected to the valve body 8, and one end of the valve rod 7 provided with a valve core is arranged in the valve body 8 along the central axis of the valve seat; further comprising: the device comprises a driving assembly 2, a protective shell 1 of an inner cavity and a connecting assembly; the protective shell 1 is arranged on the top surface of the valve seat; keep away from valve rod 7 of 8 one sides of valve body and extend to in the protective housing 1, and its axle head fixed connection through coupling assembling and drive assembly 2, drive assembly 2 drives valve rod 7 and rotates.
It should be noted that the protective shell 1 is a metal shell, and belongs to the prior art. The bottom welding of protective housing 1 has the flange, and the welding has the flange on the disk seat also, connects two flange through the bolt, makes protective housing 1 and disk seat fixed connection firm. The top of the protective shell 1 is welded with a flange, the shell of the driving assembly 2 is also welded with a flange, and the two flanges are connected through bolts, so that the protective shell 1 is firmly connected with the driving assembly 2.
The drive assembly 2 includes: the device comprises a shell of an inner cavity, a motor, a controller, an LED indicator light and a switching button; the bottom end of the shell is arranged on the top end of the protective shell 1; the motor is fixedly arranged on the shell; the controller is arranged inside the shell; the switching button and the LED indicator lamp are arranged on the outer wall of the shell; the controller is connected with the motor, the controller, the LED indicating lamp and the switching button.
The housing is a metal housing. The controller is connected with the upper computer and is used for receiving the upper computer and executing instructions sent by the upper computer. The controller is also connected with a control module of the motor; the control is connected with the LED indicating lamp, and the LED indicating lamp can have two kinds of light, red light, green light respectively, and red light shows that this equipment is out of order, and green light shows that this equipment can normal use. The switching button is used to cut off the circuit of the apparatus, and the switching button corresponds to an air switch.
As shown in fig. 2 and 3, the connecting assembly includes: the connecting device comprises a first connecting rod 3, a second connecting rod 6, a first flange 4, a second flange 5 and bolts; one end of the first connecting rod 3 is fixedly connected with the shaft end of the motor, an internal gear 9 is arranged on the other end face of the first connecting rod 3, the internal gear 9 is distributed along the axial direction of the first connecting rod 3, and the first flange 4 is arranged on the first connecting rod 3; one end of the second connecting rod 6 is provided with a cylindrical gear 10, the cylindrical gear 10 is coaxially meshed with the internal gear 9, the other end of the second connecting rod 6 is fixedly connected to the valve rod 7, and the second flange 5 is arranged on the second connecting rod 6; the first flange 4 and the second flange 5 are fixedly connected through bolts.
It should be noted that the first connecting rod 3, the first flange 4, and the internal gear 9 are shown in fig. 2; the second connecting rod 6, the second flange 5 and the cylindrical gear 10 are shown in FIG. 3; the internal gear 9 and the cylindrical gear 10 are non-standard gears and can be obtained through self processing, the cylindrical gear 10 is coaxially meshed in the internal gear 9, the cylindrical gear 10 does not move radially in the internal gear 9, the first flange 4 and the second flange 5 are fixedly connected through bolts, and the cylindrical gear 10 does not move axially in the internal gear 9. Wherein the top cap of protective housing 1 is detachable fixes on protective housing 1, can make the top cap connect on protective housing 1 through the bolt, and coupling assembling is conveniently installed like this. The shaft end of the motor can be fixedly connected with one end of the first connecting rod 3 through a coupling sleeve. The second connecting rod 6 can be connected with the top end of the valve rod 7 through a coupling sleeve.
Further, the power supply is also included, the power supply is 24VDC, and the power supply can meet the 24VAC power supply. The power supply is connected with the motor, the controller and the NFC communicator and provides electric energy.
Further, the motor is a low-power consumption direct current brushless motor. It can also be a positive and negative rotation motor. The control of the motor by the controller is prior art and will not be described in great detail again.
Further, the controller is communicated through an RS485 bus and supports a ModBus protocol.
Further, the number of the LED indicating lamps is multiple, and the colors of the LED indicating lamps are different. When the equipment breaks down, the controller controls the corresponding LED indicator lamps to be turned on, the LED indicator lamps belong to the prior art, too much description is not needed again, and the working state of the equipment can be directly observed by lighting the LED indicator lamps with different colors.
Further, the NFC device is connected with the controller; the NFC communicator sets a communication address of the 485 bus, sets an equal-percentage or equal-linearity valve adjusting characteristic curve, and sets a dead zone range of the valve at a full-open full-close limit position; signal segmentation control setting of the two parallel valves is realized through an NFC communicator; and setting the maximum opening degree and the minimum opening degree of the valve. Therefore, the control range of the regulating valve is more accurate, and the error of the regulating valve is reduced.
Furthermore, the signals of the controller are 0-10VDC and 4-20mA, and are transmission signals between the upper computer and the controller, so that the transmission signals are more stable and faster.
Further, the controller is a single chip microcomputer.
Further, the signal amplifier is connected with the controller, so that when the signals transmitted by the upper computer in a long distance reach the controller, the signals are enhanced, the interference around the signals is avoided, and the signal transmission is more stable.
The utility model provides an electric actuator, wherein, set up drive assembly 2, coupling assembling, the axle head of the motor is fixedly connected with one end of the first connecting rod 3, the other end of the first connecting rod 3 is equipped with internal gear 9, first flange 4, one end of the second connecting rod 6 is equipped with cylindrical gear 10, second flange 5, mesh cylindrical gear 10 in the internal gear 9 coaxially, and make the first flange 4 fixedly connect with second flange 5 through the bolt at the same time; the other end of the second connecting rod 6 is fixedly connected to the valve rod 7; the rotation of the motor is controlled by the controller, so that the valve rod 7 rotates to open or close the regulating valve; the LED indicating lamp is arranged to observe the running state of the regulating valve; the working state of an automatic mode and a manual mode can be switched by setting a switching button; the regulating valve has stable structure and complex function.
The working principle is as follows:
the upper computer transmits a signal to the controller, and the controller receives the signal and sends an instruction to enable the motor to rotate; one end of the first connecting rod 3 is fixedly connected with the shaft end of the motor, an internal gear 9 is arranged on the other end face of the first connecting rod 3, the internal gear 9 is distributed along the axial direction of the first connecting rod 3, and the first flange 4 is arranged on the first connecting rod 3; one end of the second connecting rod 6 is provided with a cylindrical gear 10, the cylindrical gear 10 is coaxially meshed with the internal gear 9, the other end of the second connecting rod 6 is fixedly connected to the valve rod 7, and the second flange 5 is arranged on the second connecting rod 6; the first flange 4 is fixedly connected with the second flange 5 through bolts, so that the valve rod 7 is driven to rotate through the rotation of the motor, and the regulating valve is opened or closed.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. An electric actuator comprising: valve body, disk seat, valve rod, the disk seat is connected on the valve body, be equipped with the case the one end of valve rod is followed the central axis of disk seat sets up in the valve body, its characterized in that still includes: the driving assembly, the protective shell of the inner cavity and the connecting assembly; the protective shell is arranged on the top surface of the valve seat; the valve rod far away from one side of the valve body extends into the protective shell and is fixedly connected with the shaft end of the driving assembly through a connecting assembly, and the driving assembly drives the valve rod to rotate;
the drive assembly includes: the device comprises a shell of an inner cavity, a motor, a controller, an LED indicator light and a switching button; the bottom end of the shell is arranged at the top end of the protective shell; the motor is fixedly arranged on the shell; the controller is arranged inside the shell; the switching button and the LED indicator lamp are arranged on the outer wall of the shell; the controller is connected with the motor, the controller, the LED indicator lamp and the switching button;
the connecting assembly includes: the first connecting rod, the second connecting rod, the first flange, the second flange and the bolt; one end of the first connecting rod is fixedly connected with the shaft end of the motor, an internal gear is arranged on the other end face of the first connecting rod, the internal gears are distributed along the axial direction of the first connecting rod, and the first flange is arranged on the first connecting rod; a cylindrical gear is arranged at one end of the second connecting rod, the cylindrical gear is coaxially meshed with the internal gear, the other end of the second connecting rod is fixedly connected to the valve rod, and the second flange is arranged on the second connecting rod; and fixedly connecting the first flange with the second flange through the bolts.
2. The electric actuator of claim 1, further comprising a power supply, wherein the power supply is 24VDC and is capable of supplying 24VAC power.
3. An electric actuator according to claim 1 wherein the motor is a low power dc brushless motor.
4. The electric actuator of claim 1, wherein the controller communicates via an RS485 bus, supporting the ModBus protocol.
5. The electric actuator as claimed in claim 1, wherein the LED indicator is plural in number and different in color.
6. An electric actuator as claimed in claim 1, characterized in that the switch button is operable to control the opening or closing of the regulating valve when the actuator is switched from the automatic control mode to the manual control mode.
7. The electric actuator of claim 1, further comprising an NFC communicator, the NFC communicator being coupled to the controller; the NFC communicator sets a communication address of the 485 bus, sets an equal-percentage or equal-linearity valve adjusting characteristic curve and sets a dead zone range of the valve at a full-open full-close limit position; signal segmentation control setting of the two parallel valves is realized through an NFC communicator; and setting the maximum opening degree and the minimum opening degree of the valve.
8. The electric actuator of claim 1, wherein the control signal for controlling is 0-10VDC and 4-20 mA.
9. The electric actuator of claim 1, wherein the controller is a single chip.
10. The electric actuator of claim 1, further comprising a signal amplifier, wherein the signal amplifier is coupled to the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022416998.7U CN213629147U (en) | 2020-10-27 | 2020-10-27 | Electric actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022416998.7U CN213629147U (en) | 2020-10-27 | 2020-10-27 | Electric actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213629147U true CN213629147U (en) | 2021-07-06 |
Family
ID=76624803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022416998.7U Withdrawn - After Issue CN213629147U (en) | 2020-10-27 | 2020-10-27 | Electric actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213629147U (en) |
-
2020
- 2020-10-27 CN CN202022416998.7U patent/CN213629147U/en not_active Withdrawn - After Issue
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101846212B (en) | Intelligent valve positioner | |
| CN201215215Y (en) | Intelligent Positioner for electropneumatic valve | |
| CN213629147U (en) | Electric actuator | |
| TW201433715A (en) | Magneto-rheological power drive device and control method thereof | |
| CN216867677U (en) | Adjusting mechanism of pneumatic actuator for valve | |
| CN106958554A (en) | Direct feedback digital wobble hydraulic cylinder is driven in a kind of | |
| CN206770311U (en) | Direct feedback digital wobble hydraulic cylinder is driven in a kind of | |
| CN106054734A (en) | Integrated servo actuator based on industrial ethernet | |
| CN213017075U (en) | Multi-axis coordinated control hydraulic servo system | |
| CN215806384U (en) | Heat insulation valve | |
| CN201672139U (en) | Intelligent valve positioner | |
| CN2234024Y (en) | Self-holding electromagetic valve | |
| CN220168713U (en) | Intelligent valve capable of being connected with Internet | |
| CN208474473U (en) | A kind of automatic gear-box shifting executor module | |
| CN208804304U (en) | A kind of intelligent electric valve control device | |
| CN202597325U (en) | Direct drive electro-hydraulic servo actuator | |
| CN111022733A (en) | Vacuum automatic valve | |
| CN112361056A (en) | High-precision electric regulating valve | |
| CN220286491U (en) | Electric intelligent ball valve | |
| CN114151579B (en) | Multichannel reversing ball valve with push type top adjusting mechanism | |
| CN2503249Y (en) | Pneumatic actuating mechanism of smoke baffle | |
| CN210088028U (en) | Electricity automatic control valve | |
| CN221120931U (en) | Novel electric control valve | |
| CN211278438U (en) | Multifunctional robot technology arm | |
| CN220505920U (en) | Governing valve convenient to dismantle and maintain |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20210706 Effective date of abandoning: 20231219 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20210706 Effective date of abandoning: 20231219 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |