CN214499953U - Stroke control mechanism for partial-rotation electric actuator - Google Patents
Stroke control mechanism for partial-rotation electric actuator Download PDFInfo
- Publication number
- CN214499953U CN214499953U CN202120561948.XU CN202120561948U CN214499953U CN 214499953 U CN214499953 U CN 214499953U CN 202120561948 U CN202120561948 U CN 202120561948U CN 214499953 U CN214499953 U CN 214499953U
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- switch
- shaft
- stroke
- shifting fork
- bottom plate
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- 230000007246 mechanism Effects 0.000 title claims abstract description 20
- 230000007704 transition Effects 0.000 claims abstract description 31
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 6
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Abstract
The part of the rotary electric actuating mechanism uses the stroke control mechanism. The stroke control mechanism for the partial rotary electric actuating mechanism has the advantages of simple structure, convenience in operation and improvement on control precision. The device comprises a pressing plate, a gear transmission assembly, a switch bottom plate, a control assembly, an opening travel switch and a closing travel switch; the switch bottom plate is arranged above the pressing plate in parallel through a supporting shaft, the gear transmission assembly is arranged between the switch bottom plate and the pressing plate and comprises a first transition gear and a second transition gear which are meshed with each other, the first transition gear is internally used for connecting a stroke shaft, the second transition gear is internally used for connecting a rotating shaft, and the rotating shaft extends upwards out of the switch bottom plate; the opening travel switch and the closing travel switch are respectively arranged on the switch bottom plate. The utility model discloses convenient processing, control is reliable.
Description
Technical Field
The utility model relates to an electric actuator especially relates to part gyration electric actuator uses stroke control mechanism.
Background
The stroke control mechanism is an important component in the electric actuator, and the control precision of the stroke control mechanism directly reflects the running precision of the electric actuator. At present, a cam is mostly adopted by a part of rotary electric actuating mechanisms as a stroke control scheme, and the cam serving as a stroke control mechanism has the problems of low control precision and poor repeatability.
SUMMERY OF THE UTILITY MODEL
The utility model provides a to above problem, provide a simple structure, convenient operation improves control accuracy's part gyration stroke control mechanism for electric actuator.
The technical scheme of the utility model is that: the device comprises a pressing plate, a gear transmission assembly, a switch bottom plate, a control assembly, an opening travel switch and a closing travel switch;
the switch bottom plate is arranged above the pressure plate in parallel through a support shaft,
the gear transmission assembly is arranged between the switch bottom plate and the pressure plate and comprises a first transition gear and a second transition gear which are meshed with each other, the first transition gear is internally used for connecting a stroke shaft,
the transition gear II is internally connected with a rotating shaft, and the rotating shaft extends upwards out of the switch bottom plate;
the control assembly is arranged above the switch bottom plate and comprises a cam piece, a cushion cover and a shifting fork component, the cam piece, the cushion cover and the shifting fork component are sequentially arranged on the rotating shaft in a penetrating mode from bottom to bottom, the shifting fork component is used for driving the cam piece, and the cam piece is used for contacting an opening travel switch or closing the travel switch;
the opening travel switch and the closing travel switch are respectively arranged on the switch bottom plate.
The shifting fork component comprises a supporting plate shaft sleeve, a supporting plate, a round head shaft, a disc spring, a shifting fork and a gasket, the supporting plate shaft sleeve is connected to the rotating shaft through a locking screw,
the bottom of the support plate shaft sleeve is provided with an annular groove,
one end of the support plate is provided with a connecting hole, the other end of the support plate is provided with a placing hole, the placing hole of the support plate is sleeved on the annular groove, the body of the round head shaft extends into the connecting hole, the bottom of the round head shaft is provided with an annular baffle groove, and the gasket is positioned in the annular baffle groove;
the shifting fork comprises a ring body and an inverted L-shaped push rod arranged on one side of the ring body, the body of the round head shaft extends into the ring body, and the disc spring is sleeved on the body of the round head shaft and positioned between the support plate and the ring body;
the cam sheet is provided with a shifting fork hole, and the push rod is positioned in the shifting fork hole.
The control assembly comprises at least one group.
Wherein, the cushion cover positioned in the uppermost group of control components is a support body, the support body is in a runway shape, the support body is provided with a pair of through holes,
the stroke shaft extends upwards out of the switch bottom plate, and the stroke shaft and the rotating shaft respectively extend into the pair of through holes.
In the utility model, the first transition gear and the second transition gear which are meshed are arranged between the pressure plate and the switch bottom plate, so that when the travel shaft in the first transition gear moves, the rotating shaft in the second transition gear is driven to move; because the control assembly is arranged on the rotating shaft, the control assembly contacts the opening travel switch or closing travel switch to realize the opening and closing actions, and further control the starting and stopping control of the electric actuating mechanism.
The utility model discloses convenient processing, control is reliable.
Drawings
Figure 1 is a schematic structural diagram one of the present invention,
figure 2 is a schematic structural diagram II of the present invention,
figure 3 is a schematic view of the construction of the fork assembly,
in the figure, 1 is a pressing plate, 2 is a first transition gear, 3 is a second transition gear, 4 is a switch bottom plate, 5 is a cam piece, 50 is a shifting fork hole, 6 is a cushion cover, 7 is a locking screw, 8 is a shifting fork component, 9 is a support body, 10 is a rotating shaft, 11 is an off travel switch, 12 is an on travel switch, 13 is a support plate shaft sleeve, 130 is an annular groove, 14 is a support plate, 15 is a round head shaft, 16 is a disc spring, 17 is a shifting fork, 170 is a push rod, 18 is a gasket and 19 is a support shaft.
Detailed Description
The utility model is shown in figures 1-3 and comprises a pressure plate 1, a gear transmission component, a switch bottom plate 4, a control component, an opening travel switch 12 and a closing travel switch 11;
the switch base plate 4 is arranged above the pressure plate 1 in parallel through a supporting shaft 19,
the gear transmission assembly is arranged between the switch bottom plate and the pressure plate and comprises a first transition gear 2 and a second transition gear 3 which are meshed with each other, the first transition gear is internally connected with a stroke shaft (not shown in the figure),
the transition gear II 3 is internally connected with a rotating shaft 10, and the rotating shaft 10 extends out of the switch bottom plate upwards;
the control assembly is arranged above the switch bottom plate and comprises a cam piece 5, a cushion cover 6 and a shifting fork part 8, the cam piece 5, the cushion cover 6 and the shifting fork part 8 are sequentially arranged on the rotating shaft in a penetrating mode from bottom to bottom, the shifting fork part is used for driving the cam piece, and the cam piece is used for contacting an opening travel switch or a closing travel switch;
the opening travel switch and the closing travel switch are respectively arranged on the switch bottom plate.
In the utility model, the first transition gear and the second transition gear which are meshed are arranged between the pressure plate and the switch bottom plate, so that when the travel shaft in the first transition gear moves, the rotating shaft in the second transition gear is driven to move; because the control assembly is arranged on the rotating shaft, the control assembly contacts the opening travel switch or closing travel switch to realize the opening and closing actions, and further control the starting and stopping control of the electric actuating mechanism.
The shifting fork component 8 comprises a support plate shaft sleeve 13, a support plate 14, a round head shaft 15, a disc spring 16, a shifting fork 17 and a gasket 18, the support plate shaft sleeve is connected on the rotating shaft through a locking screw,
the bottom of the fulcrum bushing 13 is provided with an annular groove 130,
one end of the support plate 14 is provided with a connecting hole, the other end of the support plate 14 is provided with a placing hole, the placing hole of the support plate 14 is sleeved on the annular groove 130, the body of the round-head shaft 15 extends into the connecting hole, the bottom of the round-head shaft is provided with an annular retaining groove, and the gasket 18 is positioned in the annular retaining groove;
the shifting fork 17 comprises a ring body and an inverted L-shaped push rod 170 arranged on one side of the ring body, the body of the round head shaft extends into the ring body, and the disc spring 16 is sleeved on the body of the round head shaft and is positioned between the support plate and the ring body;
the cam piece 5 is provided with a shifting fork hole 50, the push rod 170 is positioned in the shifting fork hole 50, and the cam piece is driven to move through the push rod.
When the device is used, a support plate shaft sleeve 13 in the shifting fork component 8 is fixedly connected with a support plate 14, a round head shaft 15 is in clearance fit with the support plate 14, a disc spring is arranged between the shifting fork and the support plate to keep a certain pretightening force, the pretightening force can ensure that the round head shaft 15 does not rotate in the process of pressing the switch by the cam piece 5, and the round head shaft can be manually rotated.
The control assembly comprises at least one group.
The number of the switches can be increased or decreased randomly according to the requirements of users, and the number of the cam sheets, the cushion covers, the shifting fork parts, the locking screws and the switches is only required to be changed in the increasing or decreasing process.
Wherein, the cushion cover positioned in the uppermost group of control components is a support body 9, the support body is in a runway shape and is provided with a pair of through holes,
the stroke shaft extends upwards out of the switch bottom plate, and the stroke shaft and the rotating shaft respectively extend into the pair of through holes.
In application, the first transition gear is fixedly connected with the stroke shaft through a fastening screw; the support body is sleeved on the stroke shaft in an empty mode, and the anti-seismic performance of the stroke control mechanism is only increased without transmitting motion.
The utility model discloses well electric actuator's stroke axle is in the motion process, transmits the motion process for transition gear one, and transition gear one transmits the motion process for transition gear two through the meshing, and transition gear two transmits the motion for shift fork part through the pivot, and the shift fork in the rethread shift fork part transmits the motion for the cam piece, and then moves the switch through the cam piece pressure (open to travel switch promptly, close to travel switch).
The adjusting process is divided into a coarse adjusting part and a fine adjusting part, the coarse adjusting part changes the position of the shifting fork part by adjusting the installation position of the shifting fork part 8 on the rotating shaft, and then the position of the cam sheet pressing switch is changed. And when the rough adjustment is in place, locking the locking screw, so that the shifting fork component is fixed. If the coarse adjustment cannot meet the requirement of the field on the stroke control precision, the fine adjustment of the stroke switch can be realized through the fine adjustment. During fine adjustment, the angle of the shifting fork is adjusted by rotating the round head shaft, and then the fine adjustment of the angle of the cam piece is driven, so that the fine adjustment of the position of the cam piece pressing switch is realized.
The disclosure of the present application also includes the following points:
(1) the drawings of the embodiments disclosed herein only relate to the structures related to the embodiments disclosed herein, and other structures can refer to general designs;
(2) in case of conflict, the embodiments and features of the embodiments disclosed in this application can be combined with each other to arrive at new embodiments;
the above embodiments are only embodiments disclosed in the present disclosure, but the scope of the disclosure is not limited thereto, and the scope of the disclosure should be determined by the scope of the claims.
Claims (4)
1. The stroke control mechanism for the partial rotary electric actuating mechanism is characterized by comprising a pressure plate, a gear transmission assembly, a switch bottom plate, a control assembly, an opening stroke switch and a closing stroke switch;
the switch bottom plate is arranged above the pressure plate in parallel through a support shaft,
the gear transmission assembly is arranged between the switch bottom plate and the pressure plate and comprises a first transition gear and a second transition gear which are meshed with each other, the first transition gear is internally used for connecting a stroke shaft,
the transition gear II is internally connected with a rotating shaft, and the rotating shaft extends upwards out of the switch bottom plate;
the control assembly is arranged above the switch bottom plate and comprises a cam piece, a cushion cover and a shifting fork component, the cam piece, the cushion cover and the shifting fork component are sequentially arranged on the rotating shaft in a penetrating mode from bottom to bottom, the shifting fork component is used for driving the cam piece, and the cam piece is used for contacting an opening travel switch or closing the travel switch;
the opening travel switch and the closing travel switch are respectively arranged on the switch bottom plate.
2. The stroke control mechanism for a partially-rotating electric actuator according to claim 1,
the shifting fork component comprises a supporting plate shaft sleeve, a supporting plate, a round head shaft, a disc spring, a shifting fork and a gasket, the supporting plate shaft sleeve is connected to the rotating shaft through a locking screw,
the bottom of the support plate shaft sleeve is provided with an annular groove,
one end of the support plate is provided with a connecting hole, the other end of the support plate is provided with a placing hole, the placing hole of the support plate is sleeved on the annular groove, the body of the round head shaft extends into the connecting hole, the bottom of the round head shaft is provided with an annular baffle groove, and the gasket is positioned in the annular baffle groove;
the shifting fork comprises a ring body and an inverted L-shaped push rod arranged on one side of the ring body, the body of the round head shaft extends into the ring body, and the disc spring is sleeved on the body of the round head shaft and positioned between the support plate and the ring body;
the cam sheet is provided with a shifting fork hole, and the push rod is positioned in the shifting fork hole.
3. The partially slewing electric actuator travel control mechanism of claim 1, wherein the control assembly includes at least one set.
4. The stroke control mechanism of a partially-rotating electric actuator according to claim 3, wherein the pad housing of the uppermost set of control units is a support body having a track shape and a pair of through holes,
the stroke shaft extends upwards out of the switch bottom plate, and the stroke shaft and the rotating shaft respectively extend into the pair of through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120561948.XU CN214499953U (en) | 2021-03-18 | 2021-03-18 | Stroke control mechanism for partial-rotation electric actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120561948.XU CN214499953U (en) | 2021-03-18 | 2021-03-18 | Stroke control mechanism for partial-rotation electric actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214499953U true CN214499953U (en) | 2021-10-26 |
Family
ID=78199255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120561948.XU Withdrawn - After Issue CN214499953U (en) | 2021-03-18 | 2021-03-18 | Stroke control mechanism for partial-rotation electric actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214499953U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112879521A (en) * | 2021-03-18 | 2021-06-01 | 扬州电力设备修造厂有限公司 | Stroke control mechanism for partial-rotation electric actuating mechanism |
-
2021
- 2021-03-18 CN CN202120561948.XU patent/CN214499953U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112879521A (en) * | 2021-03-18 | 2021-06-01 | 扬州电力设备修造厂有限公司 | Stroke control mechanism for partial-rotation electric actuating mechanism |
| CN112879521B (en) * | 2021-03-18 | 2024-05-07 | 扬州电力设备修造厂有限公司 | Stroke control mechanism for partial rotation electric actuating mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20211026 Effective date of abandoning: 20240507 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20211026 Effective date of abandoning: 20240507 |