CN202302209U - Improved structure of medium-and-small torque multi-rotary-valve electric device transmission pair - Google Patents
Improved structure of medium-and-small torque multi-rotary-valve electric device transmission pair Download PDFInfo
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- CN202302209U CN202302209U CN2011203933498U CN201120393349U CN202302209U CN 202302209 U CN202302209 U CN 202302209U CN 2011203933498 U CN2011203933498 U CN 2011203933498U CN 201120393349 U CN201120393349 U CN 201120393349U CN 202302209 U CN202302209 U CN 202302209U
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Abstract
The utility model relates to an improved structure of a medium-and-small torque multi-rotary-valve electric device transmission pair, which comprises a motor, a worm shaft, a primary transmission pair arranged between the motor and the worm shaft and a worm wheel meshed with a worm. The worm wheel is installed on an output shaft. The improved structure is characterized in that the primary transmission pair comprises two single gears, the two gears are respectively installed on the motor output shaft and the worm shaft through keys, and the two keys installed on the motor output shaft and the worm shaft are identical in size. By adopting the technical scheme, replacement can be performed according to the different speed requirements, the transmission ratio is changed simply, the variety of parts is decreased, and production organization is facilitated. Simultaneously, the number of threads of the worm at different rotating speeds is always Z1=1 so that the transmission self-locking performance of the electric device can be ensured. In conclusion, the improved structure of the medium-and-small torque multi-rotary-valve electric device transmission pair has the advantages of being reasonable in transmission pair speed ratio configuration, convenient to change, decreased in variety of transmission pair parts, reliable in self-locking performance, convenient to produce, organize and manage and the like.
Description
Technical field
The utility model belongs to the electric device for valve technical field, particularly relates to a kind of architecture advances of medium and small many turning valves of torque Electric actuator transmission.
Background technique
When using 1450r/min spindle nose rotating speed valve definite-purpose motor, the standard output speed of its output shaft requires to be two kinds of 18r/min and 36r/min usually for many turning valves Electric actuator.It is the combination of worm gear pair and spur gear pair that the transmission of many revolution Electric actuators uses maximum patterns, realizes the gearing down of electric device for valve.
Known medium and small many turning valves of torque Electric actuator transmission main structure is, the input power of motor 105 is delivered to gear on worm 102 through motor gear 101, and this constitutes the first order transmission in the Electric actuator transmission to gear pair.Gear on worm 102 is contained in an end of worm shaft 103, and along with motion worm shaft 103 drive worm gears 104 rotations of gear pair, and then the keying of drive output shaft 106 rotation actuate valve stem completion valves is operated.
The deficiency and the problem that exist in the known technology mainly contain:
1, the transmission speed ratio does not carry out optimized choice again, and the two-stage transmission is deceleration during Electric actuator standard output speed.Number of threads Z1=1 when output speed 18r/min on the worm shaft, the number of threads Z1=2 when output speed 36r/min on the worm shaft, the worm gear part that two kind Z2 parameters arranged corresponding with it.
2, when number of threads Z1=2, i.e. worm gear pair transmission not self-locking during output speed 36r/min, some needs the valve of auto-lock function to select for use.
The part kind and the quantity of 3, producing in preparing are more, are unfavorable for cost control and management.
Summary of the invention
The utility model provides a kind of transmission speed ratio to dispose rationally for the technical problem that exists in the solution known technology and changes conveniently; Transmission part kind reduces, self-locking property is reliable, is convenient to the architecture advances of medium and small many turning valves of torque Electric actuator transmission of organization of production management.
The technological scheme that the utility model is taked for the technical problem that exists in the solution known technology is:
A kind of architecture advances of medium and small many turning valves of torque Electric actuator transmission; Comprise motor; First order transmission between worm shaft, motor and the worm shaft and with the worm gear of worm meshing, said worm gear is installed on the output shaft, it is characterized in that: said first order transmission comprises two monomer gears; Two gears are installed on motor output shaft and the worm shaft through key respectively, said the big or small consistent of two keys on motor output shaft and the worm shaft that be installed in.
The utility model can also adopt following technical measures:
A number of said worm shaft equals 1.
Advantage and the good effect that the utlity model has are: because the utility model adopts technique scheme; Promptly adopt two monomer gears, so according to actual needs, can under the requirement of friction speed, change; Realized the variation of velocity ratio simply; Reduced the kind of part and made things convenient for organization of production, simultaneously because the number of threads under the different rotating speeds is Z1=1, so the transmission self-locking property of Electric actuator can be guaranteed.The utlity model has transmission speed ratio configuration in sum rationally and change conveniently, transmission part kind reduces, self-locking property is reliable, is convenient to advantages such as organization of production management.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the another kind of assembled construction schematic representation of the utility model;
Fig. 3 is the known technology structural representation.
Among the figure: 1, motor; 1-1, motor output shaft; 2, worm shaft; 3, first order transmission; 3a, gear; 3b, gear; 4, worm gear; 5, output shaft; 6, key; 101, motor gear; 102, gear on worm; 103, worm shaft; 104, worm gear; 105, motor; 106, output shaft.
Embodiment
For further understanding summary of the invention, characteristics and the effect of the utility model, the following examples of giving an example now, and conjunction with figs. specifies as follows:
See also Fig. 1 and Fig. 2; A kind of architecture advances of medium and small many turning valves of torque Electric actuator transmission; Comprise motor 1; First order transmission 3 between worm shaft 2, motor 1 and the worm shaft 2 and with the worm gear 4 of worm meshing, said worm gear 4 is installed on the output shafts 5, said first order transmission 3 comprises two monomer gear 3a, 3b; Two gears are installed on motor output shaft 1-1 and the worm shaft 2 through key 6 respectively, said the big or small consistent of two keys on motor output shaft 1-1 and the worm shaft 2 that be installed in.
The user mode of the utility model: major parameters such as the speed ratio design of at first optimizing worm gear pair and modulus design; Choose the speed ratio of spur gear pair on this basis and be identical diameter and keyway, both can be exchanged the bore design of motor gear and gear on worm.The spur gear pair assembling of adopt slowing down when the Electric actuator output speed is 18r/min, spur gear pair adopts speedup when output speed is 36r/min, and Fig. 1 and Fig. 2 provide the assembly method of spur gear pair under the different output speed states respectively.This moment, the speed ratio of worm gear designed number of threads Z1=1 through optimized choice.
When output speed was 18r/min, gear a and motor output shaft 1-1 among Fig. 1 were connected through key, and gear b and worm shaft 2 are connected through key, and transmission this moment is for slowing down.
When output speed is 36r/min, gear a among Fig. 2 and worm shaft 2 assemblings, transmission this moment is a speedup.
Realized simply having reduced the variation of velocity ratio the kind of part and made things convenient for organization of production with upper type, simultaneously because the number of threads under the different rotating speeds is Z1=1, so the transmission self-locking property of Electric actuator can be guaranteed.
Claims (2)
1. the architecture advances of one kind medium and small many turning valves of torque Electric actuator transmission; Comprise motor; First order transmission between worm shaft, motor and the worm shaft and with the worm gear of worm meshing, said worm gear is installed on the output shaft, it is characterized in that: said first order transmission comprises two monomer gears; Two gears are installed on motor output shaft and the worm shaft through key respectively, said the big or small consistent of two keys on motor output shaft and the worm shaft that be installed in.
2. the architecture advances of medium and small many turning valves of torque Electric actuator transmission according to claim 1 is characterized in that: a number of said worm shaft equals 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203933498U CN202302209U (en) | 2011-10-14 | 2011-10-14 | Improved structure of medium-and-small torque multi-rotary-valve electric device transmission pair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203933498U CN202302209U (en) | 2011-10-14 | 2011-10-14 | Improved structure of medium-and-small torque multi-rotary-valve electric device transmission pair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202302209U true CN202302209U (en) | 2012-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203933498U Expired - Fee Related CN202302209U (en) | 2011-10-14 | 2011-10-14 | Improved structure of medium-and-small torque multi-rotary-valve electric device transmission pair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202302209U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443708A (en) * | 2014-09-15 | 2016-03-30 | 凤城太平洋神龙增压器有限公司 | Electronic thermostat actuating mechanism |
| CN109172934A (en) * | 2018-08-23 | 2019-01-11 | 苏州新生命医疗科技有限公司 | A kind of driving structure and drug infusion system of compact drug infusion system |
| CN111878591A (en) * | 2020-08-04 | 2020-11-03 | 蒋友亮 | Eccentric butterfly valve |
-
2011
- 2011-10-14 CN CN2011203933498U patent/CN202302209U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443708A (en) * | 2014-09-15 | 2016-03-30 | 凤城太平洋神龙增压器有限公司 | Electronic thermostat actuating mechanism |
| CN109172934A (en) * | 2018-08-23 | 2019-01-11 | 苏州新生命医疗科技有限公司 | A kind of driving structure and drug infusion system of compact drug infusion system |
| CN111878591A (en) * | 2020-08-04 | 2020-11-03 | 蒋友亮 | Eccentric butterfly valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20141014 |
|
| EXPY | Termination of patent right or utility model |