CN201830080U - Step motor actuator - Google Patents
Step motor actuator Download PDFInfo
- Publication number
- CN201830080U CN201830080U CN2010202115454U CN201020211545U CN201830080U CN 201830080 U CN201830080 U CN 201830080U CN 2010202115454 U CN2010202115454 U CN 2010202115454U CN 201020211545 U CN201020211545 U CN 201020211545U CN 201830080 U CN201830080 U CN 201830080U
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- CN
- China
- Prior art keywords
- driven gear
- push rod
- gear
- driving
- fixedly connected
- 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.)
- Expired - Lifetime
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Transmission Devices (AREA)
Abstract
The utility model discloses a step motor actuator, which comprises a box body, a cover plate, a motor, a push rod and a machine seat, wherein a first-stage transmission shaft with a first driven gear and a first driving gear, a second-stage transmission shaft with a second driven gear and a second driving gear, and a third-stage transmission gear shaft with a third driven gear are arranged inside and connected with the box body, the motor and the box body are fixedly connected onto the machine seat, the cover plate is fixedly connected onto the machine seat, an output shaft of the motor extends into the box body, the driving gear arranged on the output shaft and the first driven gear arranged in the box body are engaged, the first driving gear and the second driven gear are engaged, the second driving gear and the third driven gear are engaged, the output end of the third-stage transmission gear shaft is a threaded end, a push rod sleeve is arranged on the cover plate, the push rod sleeve is provided with an axial groove, the push rod is provided with a push rod hole, a screw nut is arranged in the push rod hole and is connected with the threaded end of the third-stage transmission gear shaft through screw threads, and a convex wing arranged on the push rod is inserted in the axial groove. The step motor actuator has the advantages that the thrust output by the push rod can be increased, and the control precision can be improved.
Description
Technical field
The utility model relates to a kind of stepping motor actuator.
Background technology
The stepping motor actuator is the vitals of by-pass valve control opening degree accurately, and former stepping motor actuator adopts the stepping reducing motor without slowing down push rod to be installed directly, the motor speed height of this structure, the thrust of last push rod output is little, and control precision is not high.
Summary of the invention
The purpose of this utility model is to provide a kind of stepping motor actuator that increases the thrust of push rod output and improve control precision.
In order to achieve the above object, the technical solution of the utility model is: a kind of stepping motor actuator, comprise casing, cover plate, motor, push rod and support, wherein be fitted with one-level power transmission shaft in the casing with first driven gear and first driving gear, with the secondary drive shaft of second driven gear and second driving gear with three grades of driving gearshafts of the 3rd driven gear, motor and casing are fixedly connected on the support, and cover plate is fixedly connected on the support; The output shaft of motor stretches in the casing, first driven gear engagement in driving gear that has on the output shaft and the casing, first driving gear and the engagement of second driven gear, second driving gear and the engagement of the 3rd driven gear, the output of three grades of driving gearshafts is the end of thread; Be fixedly connected with pushing rod sleeve on the cover plate, have axial notch in the endoporus of pushing rod sleeve; Push rod has push-rod hole, and the push-rod hole internal fixation is connected with nut, and nut is threaded with the end of thread of three grades of driving gearshafts; Have the protruding wing on the push rod, the protruding wing is inserted in the axial notch of pushing rod sleeve and can slides in axial notch.
The other end of described three grades of driving gearshafts is fixedly connected with thrust housing, and thrust housing and the 3rd driven gear offset.
Described motor is fixedly connected on the support by upper skeleton and lower skeleton.
The junction of described pushing rod sleeve and cover plate has sealing ring.
After adopting said structure, because the push-rod hole internal fixation of push rod is connected with nut, nut is threaded with the end of thread of three grades of power transmission shafts, the power of motor output is by the speed change transmission of one-level power transmission shaft, secondary drive shaft and three grades of power transmission shafts, drive push rod and do rectilinear motion, this moment, the thrust of push rod can maximize, and had therefore increased the thrust output of push rod and had improved control precision, can realize that slight distance moves.
Description of drawings
Fig. 1 is a structure cutaway view of the present utility model;
Fig. 2 is the A-A profile of Fig. 1.
Embodiment
The embodiment that provides below in conjunction with accompanying drawing is described in further detail the utility model.
Shown in Fig. 1,2, a kind of stepping motor actuator, comprise casing 1, cover plate 2, motor 9, push rod 10 and support 11, wherein be fitted with one-level power transmission shaft 4 in the casing 1 with first driven gear 3 and first driving gear 3 ', with the secondary drive shaft 6 of second driven gear 5 and second driving gear 5 ' with three grades of driving gearshafts 8 of the 3rd driven gear 7, motor 9 and casing 1 are fixedly connected on the support 11, and cover plate 2 is fixedly connected on the support 11; The output shaft 9-1 of motor 9 stretches in the casing 1, first driven gear, 3 engagements in driving gear 9-2 that has on the output shaft 9-1 and the casing 1, first driving gear 3 ' and 5 engagements of second driven gear, second driving gear 5 ' and 7 engagements of the 3rd driven gear, the output of three grades of driving gearshafts 8 is end of thread 8-1; Be fixedly connected with pushing rod sleeve 17 on the cover plate 2, have axial notch 17-1 in the endoporus of pushing rod sleeve 17; Push rod 10 has push-rod hole 10-1, and push-rod hole 10-1 internal fixation is connected with nut 12, and nut 12 is threaded with the end of thread 8-1 of three grades of driving gearshafts 8; Have protruding wing 10-2 on the push rod 10, protruding wing 10-2 is inserted among the axial notch 17-1 of pushing rod sleeve 17 and can slides in axial notch 17-1.
Referring to shown in Figure 1, in order to prevent three grades of driving gearshaft 8 plaies, the other end of described three grades of driving gearshafts 8 is fixedly connected with thrust housing 13, and thrust housing 13 and the 3rd driven gear 7 offset.
Referring to shown in Figure 1, for fixed electrical machinery 9, described motor 9 is fixedly connected on the support 11 by upper skeleton 14 and lower skeleton 15.
Referring to shown in Figure 1, in order to make support 11 and cover plate 2 sealings, described pushing rod sleeve 17 has sealing ring 16 with the junction of cover plate 2.
Referring to shown in Figure 1, when the utility model uses, control starter motor 9, the output shaft 9-1 of motor 9 drives one-level power transmission shaft 4 and rotates, one-level power transmission shaft 4 drives secondary drive shaft 6 and rotates, secondary drive shaft 6 drives three grades of driving gearshafts 8 and rotates, the nut 12 that is threaded on three grades of driving gearshafts 8 is fixedly connected in the push-rod hole 10-1 of push rod 10, therefore three grades of driving gearshafts 8 just drive push rod 10 and move up and down, the moving up and down of push rod 10 relies on motor 9 positive and negatively transfers realization, and the groove 17-1 of the endoporus of protruding wing 10-2 on the push rod 10 and pushing rod sleeve 17 is slidingly matched, and has therefore limited the rotation of push rod 10.
Claims (4)
1. stepping motor actuator is characterized in that:
A, comprise casing (1), cover plate (2), motor (9), push rod (10) and support (11), wherein be fitted with one-level power transmission shaft (4) in the casing (1) with first driven gear (3) and first driving gear (3 '), with the secondary drive shaft (6) of second driven gear (5) and second driving gear (5 ') with three grades of driving gearshafts (8) of the 3rd driven gear (7), motor (9) and casing (1) are fixedly connected on the support (11), and cover plate (2) is fixedly connected on the support (11);
The output shaft (9-1) of b, motor (9) stretches in the casing (1), driving gear (9-2) that has on the output shaft (9-1) and interior first driven gear (3) engagement of casing (1), first driving gear (3 ') and second driven gear (5) engagement, second driving gear (5 ') and the 3rd driven gear (7) engagement, the output of three grades of driving gearshafts (8) is the end of thread (8-1);
Be fixedly connected with pushing rod sleeve (17) on c, the cover plate (2), have axial notch (17-1) in the endoporus of pushing rod sleeve (17);
D, push rod (10) have push-rod hole (10-1), and push-rod hole (10-1) internal fixation is connected with nut (12), and nut (12) is threaded with the end of thread (8-1) of three grades of driving gearshafts (8);
Have the protruding wing (10-2) on e, the push rod (10), the protruding wing (10-2) is inserted in the axial notch (17-1) of pushing rod sleeve (17) and can slides in axial notch (17-1).
2. stepping motor actuator according to claim 1 is characterized in that: the other end of described three grades of driving gearshafts (8) is fixedly connected with thrust housing (13), and thrust housing (13) offsets with the 3rd driven gear (7).
3. stepping motor actuator according to claim 1 is characterized in that: described motor (9) is fixedly connected on the support (11) by upper skeleton (14) and lower skeleton (15).
4. stepping motor actuator according to claim 1 is characterized in that: described pushing rod sleeve (17) has sealing ring (16) with the junction of cover plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202115454U CN201830080U (en) | 2010-05-24 | 2010-05-24 | Step motor actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202115454U CN201830080U (en) | 2010-05-24 | 2010-05-24 | Step motor actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201830080U true CN201830080U (en) | 2011-05-11 |
Family
ID=43968594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202115454U Expired - Lifetime CN201830080U (en) | 2010-05-24 | 2010-05-24 | Step motor actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201830080U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103375627A (en) * | 2012-04-12 | 2013-10-30 | 丹佛斯公司 | Actuator arrangement structure |
| CN106655612A (en) * | 2016-11-16 | 2017-05-10 | 浙江佳雪微特电机集团有限责任公司 | Curtain automatic stretching gear deceleration motor |
| CN107276306A (en) * | 2017-06-16 | 2017-10-20 | 东莞市特姆优传动科技有限公司 | A kind of structure improved electric pushrod |
-
2010
- 2010-05-24 CN CN2010202115454U patent/CN201830080U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103375627A (en) * | 2012-04-12 | 2013-10-30 | 丹佛斯公司 | Actuator arrangement structure |
| CN103375627B (en) * | 2012-04-12 | 2017-08-25 | 丹佛斯公司 | Actuator arrangement structure |
| CN106655612A (en) * | 2016-11-16 | 2017-05-10 | 浙江佳雪微特电机集团有限责任公司 | Curtain automatic stretching gear deceleration motor |
| CN106655612B (en) * | 2016-11-16 | 2023-09-29 | 浙江佳雪微特电机有限公司 | Automatic stretching gear speed reducing motor for curtain |
| CN107276306A (en) * | 2017-06-16 | 2017-10-20 | 东莞市特姆优传动科技有限公司 | A kind of structure improved electric pushrod |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110511 |