CN213685473U - Small valve controller with internal gear and planetary reduction mechanism - Google Patents

Small valve controller with internal gear and planetary reduction mechanism Download PDF

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Publication number
CN213685473U
CN213685473U CN202022696095.9U CN202022696095U CN213685473U CN 213685473 U CN213685473 U CN 213685473U CN 202022696095 U CN202022696095 U CN 202022696095U CN 213685473 U CN213685473 U CN 213685473U
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gear
planetary
box
wheel
reduction
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CN202022696095.9U
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Chinese (zh)
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朱丰
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Shenzhen Shengjun Intelligent Household Technology Co ltd
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Shenzhen Shengjun Intelligent Household Technology Co ltd
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Abstract

The utility model discloses a small valve controller with an internal gear and a planetary reduction gear, which comprises a controller shell, a control panel and a speed reducer, wherein the speed reducer comprises a motor, a high-speed gear box, a transition gear box, a planetary gear box and a propelling box, a driving gear is arranged at the tail end of a motor shaft, a first inner and outer duplicate gear and a middle reduction gear are arranged in the high-speed gear box, a first internal gear of the first inner and outer duplicate gear is meshed with the driving gear, and a first driven wheel is meshed with the middle reduction gear; a second inner and outer duplicate gear is arranged in the transition gear box, a second inner gear is meshed with the final-stage intermediate speed reducing gear, a second driven gear is matched with a planetary speed reducing assembly in the planetary gear box, and the propelling box drives the valve rod to rotate. The utility model discloses, through driving gear and first internal gear cooperation, second internal gear and the cooperation of middle deceleration wheel, reduced reducing gear box occupation space size, improved speed reduction subassembly's speed reduction ratio and space utilization.

Description

Small valve controller with internal gear and planetary reduction mechanism
Technical Field
The utility model relates to an intelligence valve control technical field, concretely relates to miniature valve controller with internal gear and planetary reduction gears.
Background
In the field of modern process control, actuators are essential parts, and are widely used in different control places from early manual and pneumatic actuators to present electric actuators. The electric actuating mechanism is widely applied to the fields of petroleum, chemical engineering, electric power and the like. Because the existing domestic valve electric actuating mechanism generally has the problems of laggard control mode, lack of perfect protection and fault alarm measures and good communication means, the existing electric valve is inconvenient for on-site parameter debugging and cannot form a network for remote control.
To this end, chinese patent CN10694296A provides a micro-electrical wireless intelligent valve controller, which includes a box body, a control circuit board, a battery, an antenna, a reduction motor and an output shaft are disposed in the box body, the battery, the antenna and the reduction motor are all connected to the control circuit board, the reduction motor is linked with the output shaft through a gear transmission mechanism, the output shaft is fixed or in transmission connection with a valve core of a valve, the output shaft is in transmission connection with a rotating shaft of a cam through a planetary gear transmission structure, the cam is correspondingly provided with a travel switch, the travel switch is connected to the control circuit board to feed back rotation state information of the output shaft, a solar cell panel charged by the battery is disposed outside the box body, and remote control of the valve in a farmland is realized.
However, the above solution has the following disadvantages:
the gear transmission mechanism adopts a mode that a driving gear is meshed with gear teeth on the outer end face of a driven gear for transmission, the reduction ratio of the gear transmission mechanism is small, and the control precision of the valve is low; the gear transmission mechanism occupies large space and has low space utilization rate, and is not suitable for small valves such as indoor heating pipeline valves, gas pipeline valves and the like.
In view of this, there is a need to improve the structure of the existing valve controller to reduce the space utilization rate of the gear transmission mechanism in the valve controller and to improve the reduction ratio of the gear transmission mechanism and the control precision of the valve.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that current valve controller structure is complicated, space utilization in the controller is low, the problem that drive mechanism speed reduction ratio is low.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts as follows:
a miniature valve controller having an internal gear and a planetary reduction mechanism, comprising a housing, a control plate and a reducer, the reducer comprising:
the motor, the end of its motor shaft has driving gears;
the high-speed gearbox is internally provided with a first inner and outer duplicate gear and an intermediate speed reducing wheel, the first inner and outer duplicate gear comprises a first inner gear and a first driven wheel which are arranged up and down, and the first inner gear is matched with the driving gear; the middle speed reducing wheel is a duplicate gear consisting of an upper middle speed reducing wheel and a lower middle speed reducing wheel, and the upper middle speed reducing wheel is matched with the first driven wheel;
the transition gear box is internally provided with a second internal and external duplicate gear and comprises a second internal gear and a second driven wheel which are arranged up and down, and the second internal gear is matched with a lower middle speed reducing wheel of the last-stage middle speed reducing wheel;
the planetary gear box is arranged below the transition gear box, a planetary speed reducing assembly is arranged in the planetary gear box, and the planetary speed reducing assembly is matched with the second driven wheel;
and the propelling box is arranged below the planetary gear box and is used for driving the valve rod to rotate.
In the scheme, one or more intermediate speed reducing wheels are provided.
In the scheme, the diameter of the upper middle speed reducing wheel is larger than that of the lower middle speed reducing wheel, and the tooth pitch of the upper middle speed reducing wheel is matched with that of the lower middle speed reducing wheel.
In this scheme, the axis of the intermediate reduction gear is disposed on both sides of the axis of the motor shaft, and the axis of the second inner and outer dual gear coincides with the axis of the motor shaft.
In this aspect, the planetary reduction assembly includes:
at least two planetary gears are arranged, the planetary gears are uniformly distributed on the planetary carrier, and the planetary gears are matched with the second driven gear;
and the inner gear ring is arranged on the inner wall of the planetary gear box and is matched with the planetary gear.
In the scheme, the number of the planetary speed reduction assemblies is two or more, each group of the planetary speed reduction assemblies is connected through a sun gear arranged on the bottom surface of the planetary frame, and the sun gear is matched with the planetary gear.
In this aspect, the carrier includes:
the bottom surface of the planet carrier cover is provided with a planet gear shaft, and the planet gear is arranged on the planet gear shaft;
the top surface of the planet carrier body is provided with a planet gear shaft hole, and the planet gear shaft is inserted in the planet gear shaft hole; the bottom surface of the propelling box is provided with a connecting shaft used for being connected with the propelling box.
In this aspect, the propulsion case includes:
the pushing cavity is arranged in the pushing box, the top surface of the pushing cavity is provided with an opening, and the bottom surface of the pushing cavity is provided with a threaded hole;
the side surface of the screw rod wheel is provided with threads, and the screw rod wheel is rotatably arranged in the threaded hole; the top surface of the screw rod wheel is provided with a connecting shaft hole which is matched with the connecting shaft; the upper part of the side surface of the lead screw wheel is provided with a limiting lug;
and the limiting part is arranged on the inner wall of the pushing cavity.
In this scheme, be equipped with data receiver, control button and display screen in the casing, data receiver is used for receiving the control command of host computer and the data that the sensor gathered, control button with the display screen respectively with driving motor with data receiver connects.
Compared with the prior art, the utility model provides a small-size valve controller with internal gear and planet reduction gears realizes slowing down through internal gear speed reduction subassembly and planet speed reduction subassembly, driving gear and first internal gear cooperation, second internal gear and the cooperation of lower middle reducing gear, improve the reduction ratio of internal gear speed reduction subassembly, the space size that the speed reduction subassembly occupy has been reduced, the control accuracy of valve and the space utilization of speed reduction subassembly have been improved, but wide application in small-size valve has enlarged valve controller's use scene.
Drawings
FIG. 1 is a schematic view of the assembly of a miniature valve controller with an internal gear and a planetary reduction gear with a valve according to the present invention;
fig. 2 is a cross-sectional view of a controller according to an embodiment of the present invention;
fig. 3 is a schematic view of a high-speed gearbox and a transition gearbox according to another embodiment of the present invention;
fig. 4 is a schematic view of a planetary gearbox according to another embodiment of the present invention;
fig. 5 is a schematic view of a propulsion box according to another embodiment of the present invention;
FIG. 6 is a schematic structural view of a planetary gear box according to another embodiment of the present invention;
FIG. 7 is a schematic diagram of an external gear transmission structure of a reduction gearbox of a valve controller in the prior art.
Wherein, the corresponding relationship between each reference number and the part name in fig. 1 to 7 is as follows:
1 shell, 2 motors, 3 high-speed gearboxes, 4 transition gearboxes, 5 planetary gearboxes, 6 propulsion boxes, 21 driving gears, 31 first inner and outer dual gears, 32 middle reduction gears, 311 first internal gears, 312 first driven gears, 321 upper middle reduction gears, 322 lower middle reduction gears, 41 second inner and outer dual gears, 411 second internal gears, 412 second driven gears, 42 through holes, 51 planetary gears, 52 planetary carriers, 53 internal gear rings, 521 planetary carrier covers, 522 planetary carrier bodies, 523 planetary gear shafts, 524 planetary gear shaft holes, 525 connecting shafts, 54 sun gears, 61 propulsion chambers, 62 lead screw wheels, 63 limiting parts, threaded holes 611, 621 connecting shaft holes, 622 connecting parts, 623 limiting lugs, 7 data receivers, 8 control buttons, 9 display screens and 10 valve rods.
Detailed Description
The utility model provides a small-size valve controller with internal gear and planet reduction gears realizes slowing down through internal gear speed reduction subassembly and planet speed reduction subassembly, and the reduction ratio of speed reduction subassembly has been improved in driving gear and the cooperation of first internal gear, second internal gear and the cooperation of lower middle reduction gear, has reduced the space size that the speed reduction subassembly occupy, but wide application in small-size valve has enlarged valve controller's use scene. The invention is described in detail below with reference to the drawings and the detailed description.
As shown in fig. 1, the utility model provides a miniature valve controller with internal gear and planetary reduction mechanism, including casing 1, be equipped with control panel and reduction gear in the casing 1, the reduction gear includes motor 2, high-speed gear case 3, transition gear case 4 and planetary reduction subassembly 5 and propulsion case 6, is equipped with driving gear 21 on the end of the motor shaft of driving motor 2.
As shown in fig. 2, the high-speed gear case 3 houses a first inner-outer dual gear 31 and an intermediate reduction gear 32. The first inner and outer dual gear 31 includes a first internal gear 311 and a first driven gear 312, which are disposed up and down, and the first internal gear 311 is adapted to the driving gear 21. The intermediate reduction gear 32 is a duplicate gear composed of an upper intermediate reduction gear 321 and a lower intermediate reduction gear 322, the diameter of the upper intermediate reduction gear 321 is larger than that of the lower intermediate reduction gear 322, and the upper intermediate reduction gear 321 is matched with the first driven gear 312. One or more intermediate reduction gears 32 are arranged in each group of high-speed gear boxes 3, and the axes of the intermediate reduction gears 32 are arranged on two sides of the axis of the motor shaft.
As shown in fig. 3, in an embodiment of the present invention, the number of the intermediate reduction gears 32 is plural, and in the plural intermediate reduction gears 32, the lower intermediate reduction gear 322 of the previous outer dual gear is matched with the upper outer dual gear 321 of the next outer dual gear.
The transition gear box 4 has a second internal-external double gear 41 built therein. The second inner and outer dual gear 41 is a dual gear, and includes a second internal gear 411 and a second driven wheel 412, the second internal gear 411 is disposed above the second driven wheel 412, and the second internal gear 411 is fitted to the lower intermediate reduction gear 322 of the last-stage intermediate gear. The axis of the second inner and outer double gear 41 coincides with the axis of the motor shaft.
In another embodiment of the present invention, as shown in fig. 3, a metal shaft is provided on the bottom surface of the transition gear box 4, and the second inner intermediate reduction gear 32 is provided on the metal shaft; the top surface of the transition gear box 4 is provided with a through hole 42, and the lower intermediate reduction gear 322 is rotatably arranged in the through hole 42 and is matched with the second internal gear 411. The high-speed gear box 3 and the transition gear box 4 are fixedly connected through bolts.
As shown in fig. 4, a planetary reduction assembly including planetary gears 51, a carrier 52 and an inner ring gear 53 is provided in the planetary gear box 5. The number of the planet gears 51 is at least two, the planet gears 51 are uniformly distributed on the planet carrier 52, and the planet gears 51 are matched with the second driven wheel 322.
The carrier 52 includes a carrier cover 521 and a carrier body 522, a planetary gear shaft 523 is provided on a bottom surface of the carrier cover 521, and the planetary gear 51 is provided on the planetary gear shaft 523. The top surface of the planet carrier body 522 is provided with a planet gear shaft hole 524, and the planet gear shaft 523 is inserted in the planet gear shaft hole 524; the bottom surface of the carrier body 522 is provided with a connecting shaft 525 for connecting with the propulsion case 6. The ring gear 53 is provided on the inner wall of the planetary gear case 5 to be fitted with the planetary gears 51.
As shown in fig. 6, in another embodiment of the present invention, when the planetary reduction assemblies 5 are multiple sets, the sets of planetary reduction assemblies 5 are connected to each other through a sun gear 54 disposed on the bottom surface of the planet carrier 52, and the sun gear is adapted to the planet gear 51.
In another embodiment of the present invention, the planetary gear 51 may be a plastic gear. The plurality of planet gears 51 in the planetary reduction assembly 5 improve the bearing capacity of the torque at the tail end of the planetary gear assembly 5, and the planet gears 51 replace metal gears in the traditional transmission mode by plastic gears, so that the production cost of the controller is reduced on the basis of not influencing the performance of the controller.
As shown in fig. 5, the propulsion box 6 includes a propulsion chamber 61, a screw wheel 62, and a stopper 63. The top surface of the pushing cavity 61 is provided with an opening, and the bottom surface of the pushing cavity 61 is provided with an opening. The upper portion of the side of the lead screw wheel 62 is provided with a thread, and the lead screw wheel 62 is rotatably disposed in the threaded hole 611. The top surface of the screw rod wheel 62 is provided with a connecting shaft hole 621 and a valve rod connecting part 622, and the connecting shaft 526 on the planet carrier body 522 is inserted into the connecting shaft hole 621 to push the screw rod wheel 62 to rotate. The side of the screw wheel 62 is provided with a limit projection 623, and the limit part 63 is arranged on the inner wall of the push cavity 61.
As shown in fig. 2, a data receiver 7 is further disposed in the housing 1 for receiving a control command of the upper computer and data collected by the sensor. The shell 1 is also provided with a control button 8 and a display screen 9 which are respectively connected with the driving motor 2 and the data receiver 7, the control button 8 is used for manually controlling the valve switch, and the display screen 9 is used for displaying data collected by the sensor received by the data receiver 7.
The working process of the utility model is as follows:
a user receives data collected by a sensor on a pipeline through the data receiver 7, and transmits a control instruction to the data receiver 7 through the upper computer to remotely control the opening and closing of the valve; or the valve is manually controlled to open and close by a control button 8 connected to the motor 2.
When the valve is controlled to be opened and closed, the motor 2 drives the driving gear 21 to rotate through the motor shaft, and the driving gear 21 is meshed with the first internal gear 311 to drive the first internal-external dual gear 31 to rotate. First driven pulley 312 is engaged with upper intermediate reduction gear 321 to drive intermediate reduction gear 32 to rotate. The lower intermediate reduction gear 322 is engaged with the second internal gear 411 to drive the second internal-external dual gear 41 to rotate, so as to realize the speed reduction process of the internal gear speed reduction assembly 3.
The second driven wheel 412 is engaged with the planetary gear 51 in the planetary gear box 5, drives the planetary gear 51 to rotate and simultaneously drives the planet carrier 52 to revolve, the connecting shaft 525 on the planet carrier body 522 drives the screw rod wheel 62 to rotate in the pushing cavity 61, the lower end of the screw rod wheel 62 is connected with the valve rod 10 of the valve, drives the valve rod 10 to rotate, and realizes the opening and closing of the valve. When the valve rod 10 rotates to the valve closing position, the valve rod 10 and the screw rod wheel 62 rotate to the lowest position, the limiting portion 63 is matched with the limiting projection 623, the screw rod wheel 62 is prevented from continuing to rotate, and the valve is prevented from being too tight.
In the prior art, as shown in fig. 7, a reduction box of a valve controller generally adopts a mode of driving wheel and external driven gear transmission, and under the condition of occupying the same space, the transmission mode is much smaller in reduction ratio and poorer in reduction effect compared with the mode of driving wheel and internal driven gear transmission.
Compared with the prior art, the utility model provides a small-size valve controller with internal gear and planet reduction gears realizes slowing down through internal gear speed reduction subassembly and planet speed reduction subassembly, driving gear and first internal gear cooperation, the second internal gear cooperates with lower middle reducing gear, the reduction ratio of internal gear speed reduction subassembly has been improved, the space size that the speed reduction subassembly took has been reduced, the control accuracy of valve and the space utilization of speed reduction subassembly have been improved, but wide application in small-size valve has enlarged valve controller's use scene.
The utility model discloses in, planetary gear is two or more, and the equipartition is on the planet carrier, and every group planet speed reduction subassembly includes a plurality of planetary gear, conducts axial force simultaneously with a plurality of gears in other words, consequently, compares in ordinary gear reduction structure, and the moment of torsion that single planetary gear bore is less, and planetary gear can adopt plastic gear to reduce the manufacturing cost of reduction gear.
The utility model discloses in, intermediate reduction gear distributes in the both sides of motor axis, through the inside and outside duplicate gear of second with the axis callback of gear drive structure to with the coincidence of motor axis, reduced the size of the radial dimension of reduction gear, further reduced the space size that the controller occupy, simultaneously, motor axis and planetary gear case and propulsion case's axis have improved the stability of reduction gear inner structure on same straight line.
The present invention is not limited to the above-mentioned best mode, and any person should learn the structural change made under the teaching of the present invention, all with the present invention has the same or similar technical solution, all fall into the protection scope of the present invention.

Claims (9)

1. A miniature valve controller having an internal gear and a planetary reduction mechanism, comprising a controller housing, a control panel and a speed reducer, wherein the speed reducer comprises:
the motor, the end of its motor shaft has driving gears;
the high-speed gearbox is internally provided with a first inner and outer duplicate gear and an intermediate speed reducing wheel, the first inner and outer duplicate gear comprises a first inner gear and a first driven wheel which are arranged up and down, and the first inner gear is matched with the driving gear; the middle speed reducing wheel is a duplicate gear consisting of an upper middle speed reducing wheel and a lower middle speed reducing wheel, and the upper middle speed reducing wheel is matched with the first driven wheel;
the transition gear box is internally provided with a second internal and external duplicate gear and comprises a second internal gear and a second driven wheel which are arranged up and down, and the second internal gear is matched with a lower middle speed reducing wheel of the last-stage middle speed reducing wheel;
the planetary gear box is arranged below the transition gear box, a planetary speed reducing assembly is arranged in the planetary gear box, and the planetary speed reducing assembly is matched with the second driven wheel;
and the propelling box is arranged below the planetary gear box and is used for driving the valve rod to rotate.
2. A miniature valve controller with an internal gear and planetary reduction mechanism as set forth in claim 1 wherein said intermediate reduction gear is one or more.
3. A miniature valve controller with an internal gear and planetary reduction mechanism as set forth in claim 1 wherein the diameter of said upper intermediate reduction gear is larger than the diameter of said lower intermediate reduction gear, and the pitch of said upper intermediate reduction gear is matched to the pitch of said lower intermediate reduction gear.
4. A miniature valve controller with an internal gear and planetary reduction mechanism as set forth in claim 1 wherein the axis of said intermediate reduction gear is disposed on either side of the axis of said motor shaft and the axis of said second inner and outer dual gear is coincident with the axis of said motor shaft.
5. A miniature valve controller with an internal gear and planetary reduction mechanism as set forth in claim 1 wherein said planetary reduction assembly comprises:
at least two planetary gears are arranged, the planetary gears are uniformly distributed on the planetary carrier, and the planetary gears are matched with the second driven wheel;
and the inner gear ring is arranged on the inner wall of the planetary gear box and is matched with the planetary gear.
6. A miniature valve controller with an internal gear and a planetary reduction mechanism as set forth in claim 5 wherein the planetary reduction assemblies are in two or more sets, each set being connected by a sun gear disposed on the bottom surface of the carrier, the sun gear being fitted with the planetary gears.
7. A miniature valve controller with an internal gear and planetary reduction mechanism as set forth in claim 5 wherein said carrier comprises:
the bottom surface of the planet carrier cover is provided with a planet gear shaft, and the planet gear is arranged on the planet gear shaft;
the top surface of the planet carrier body is provided with a planet gear shaft hole, and the planet gear shaft is inserted in the planet gear shaft hole; the bottom surface of the propelling box is provided with a connecting shaft used for being connected with the propelling box.
8. A miniature valve controller with an internal gear and planetary reduction mechanism as set forth in claim 7 wherein said propulsion case comprises:
the pushing cavity is arranged in the pushing box, the top surface of the pushing cavity is provided with an opening, and the bottom surface of the pushing cavity is provided with a threaded hole;
the side surface of the screw rod wheel is provided with threads, and the screw rod wheel is rotatably arranged in the threaded hole; the top surface of the screw rod wheel is provided with a connecting shaft hole which is matched with the connecting shaft; the upper part of the side surface of the lead screw wheel is provided with a limiting lug;
and the limiting part is arranged on the inner wall of the pushing cavity.
9. The miniature valve controller with internal gear and planetary reduction mechanism of claim 1, wherein said housing further comprises a data receiver, a control button and a display screen, said data receiver is used for receiving control commands from an upper computer and data collected by a sensor, said control button and said display screen are respectively connected to said motor and said data receiver.
CN202022696095.9U 2020-11-19 2020-11-19 Small valve controller with internal gear and planetary reduction mechanism Active CN213685473U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022696095.9U CN213685473U (en) 2020-11-19 2020-11-19 Small valve controller with internal gear and planetary reduction mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022696095.9U CN213685473U (en) 2020-11-19 2020-11-19 Small valve controller with internal gear and planetary reduction mechanism

Publications (1)

Publication Number Publication Date
CN213685473U true CN213685473U (en) 2021-07-13

Family

ID=76733967

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022696095.9U Active CN213685473U (en) 2020-11-19 2020-11-19 Small valve controller with internal gear and planetary reduction mechanism

Country Status (1)

Country Link
CN (1) CN213685473U (en)

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