CN202228765U - Electric priority manual and electric switching mechanism in valve electric actuator - Google Patents
Electric priority manual and electric switching mechanism in valve electric actuator Download PDFInfo
- Publication number
- CN202228765U CN202228765U CN2011203548749U CN201120354874U CN202228765U CN 202228765 U CN202228765 U CN 202228765U CN 2011203548749 U CN2011203548749 U CN 2011203548749U CN 201120354874 U CN201120354874 U CN 201120354874U CN 202228765 U CN202228765 U CN 202228765U
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- China
- Prior art keywords
- electric
- clutch
- shift fork
- pole
- manual
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Abstract
The utility model relates to an electric priority manual and electric switching mechanism in a valve electric actuator, which comprises a manual driving part, an electric driving part, a clutch, a pressing spring, a shift fork and a fulcrum bar mechanism. The manual driving part and the electric driving part are coaxially installed, and the clutch is connected with the transmission shaft through a key and is capable of sliding on the transmission shaft. The shift fork shifts the clutch which is respectively connected with the manual driving part or the electric driving part through jaw meshing, and the manual driving part or the electric driving part drives the clutch to drive the transmission shaft to move. The electric priority manual and electric switching mechanism in the valve electric actuator is characterized in that a boss is arranged on the outer side of the front end of the shift fork and is contacted with the fulcrum bar mechanism. The electric priority manual and electric switching mechanism in the valve electric actuator has the advantages of simple structure and small occupied space. The retaining mode of the manual position of the clutch does not exert pressure on the electric driving part, thereby eliminating influence of the friction force and having high reliability. When electric operation is carried out, no any part of the switching mechanism is contacted with movement components, thereby avoiding abrasion.
Description
Technical field
The utility model belongs to electric valve executing mechanism, relates in particular to the moving switching mechanism of electronic preferential torch in a kind of electric valve executing mechanism.
Background technique
The moving switching mechanism of electronic preferential torch in the electric valve executing mechanism is the mechanism that manually-operable and electric operating are carried out semi-automatic conversion.When rotating shift fork, shift fork is stirred clutch and is broken away from motorized motions part (as: electric gear, coupling etc.) entering manual operation state; Whenever, when the motorized motions part rotated, switching mechanism made clutch under the effect of spring force, automatically reply the state that meshes with the motorized motions part, and while and manual drives part break away from engagement, and promptly electric operating has precedence over manually-operable.At present, realize that in electric valve executing mechanism moving (hereinafter to be referred as " semi-automatic the switching ") mechanism of switching of the electronic preferential torch of level generally has two types at a high speed; A kind of is to adopt pole or drag hook that clutch is supported on the motorized motions part; To keep the manually-operable position; The common more complicated of the structure of the type mechanism, it is bigger to take up room, and the motorized motions part can not have tangible relative movement when requiring manually-operable; Otherwise manual state can not keep, and therefore in product specification, take every caution against error and eliminate the influence of frictional force to the motorized motions part; Another kind of type is to adopt relatively independent pole to support clutch, but in order to reach electronic preferential purpose, must keep pole to contact with electric gear or coupling, and therefore, when electronic work, part can produce unnecessary wearing and tearing.
The model utility content
The utility model is in order to overcome deficiency of the prior art; The moving switching mechanism of electronic preferential torch in a kind of electric valve executing mechanism is provided; Can make clutch keep manual position, and when the motorized motions part rotates, can make clutch break away from the mechanism of manual position automatically.When clutch is in manual position, the motorized motions part is not exerted pressure, eliminated the influence of frictional force; During electric operating, switching mechanism does not contact with moving parts, not wearing and tearing between the parts.
The utility model is for realizing above-mentioned purpose; Realize through following technological scheme; The moving switching mechanism of electronic preferential torch comprises manual drives part, motorized motions part, clutch, stage clip, shift fork and a linkage, said manual drives part and the coaxial installation of motorized motions part in a kind of electric valve executing mechanism; Clutch is connected with transmission shaft through key, and can slippage on transmission shaft; Shift fork is stirred clutch; Clutch is connected with manual drives part or motorized motions part respectively through tooth embedding engagement; Manual drives part or motorized motions part drive clutch and drive the transmission shaft running, it is characterized in that: the said shift fork front end outside is provided with boss, and shift fork outside boss touches with a linkage.
Said linkage constitutes by pole with arm pin that basic fixed is installed; The center hole of said pole cooperates with arm pin; Said pole sidewall cross section is " L " shape that is inverted, and said pole side wall upper part is provided with slot, and the vertical surface of pole sidewall combines the bight to be provided with the inclined-plane with horizontal plane; Said pole sidewall and shift fork outside boss touch, and said pole being provided with is close to spring.
Beneficial effect: simple in structure, it is little to take up room.The hold mode of clutch manual position is not exerted pressure to the motorized motions part, thereby has eliminated the influence of frictional force thereby had higher reliability.During electric operating, switching mechanism has no part to contact with moving parts, thereby does not have wearing and tearing.
Description of drawings
Fig. 1 is the structural representation of the electronic position of the utility model;
Fig. 2 is the structural representation of the utility model manual position.
Among the figure: 1, motorized motions part, 2, clutch, 3, stage clip, 4, shift fork, 5, the manual drives part, 6, transmission shaft, 7, the basis, 8, be close to spring, 9, pole, 10, arm pin
The inboard boss of A ' shift fork, A, shift fork outside boss, B, slot, C, inclined-plane, D, camming surface.
Embodiment
Below in conjunction with preferred embodiment; Details are as follows to the embodiment that provides according to the utility model: see accompanying drawing for details; The moving switching mechanism of electronic preferential torch in a kind of electric valve executing mechanism; Comprise manual drives part 5, motorized motions part 1, clutch 2, stage clip 3, shift fork 4 and a linkage, said manual drives part and motorized motions part are installed on the same transmission shaft 6, and clutch is connected with transmission shaft through key or spline; And can slippage on transmission shaft, be provided with stage clip between manual drives part and the clutch.The shift fork rotary middle spindle is vertical with the clutch core axle, is arranged in the side of clutch, and when shift fork was stirred clutch and manual drives part through tooth embedding engagement, the manual drives part drove clutch and drives the transmission shaft running, and equipment gets into manual operation state; When stage clip promotes clutch with the motorized motions part during through tooth embedding engagement, the motorized motions part drives clutch and drives the transmission shaft running, equipment entering electric operating state.Said shift fork front end outer side surface is provided with boss A, and is provided with inboard boss A ', and the inboard boss of shift fork is used to stir clutch, and shift fork outside boss touches with a linkage.(for example: casing) arm pin 10 on 7 constitutes with being fixed on the basis by pole 9 for said linkage; The arm pin central shaft is parallel with the clutch core axle, and the center hole of said pole cooperates with arm pin, and the cross section of said pole sidewall is " L " shape that is inverted; Said pole side wall upper part is provided with slot B; The vertical surface of pole sidewall combines the bight to be provided with inclined-plane C with horizontal plane, said pole sidewall and shift fork outside boss touch, and said pole being provided with is close to spring 8.Said motorized motions part end face is provided with camming surface D, is used to promote pole and breaks away from the support to shift fork outside boss.When clutch is in manual position, support the outside boss of shift fork alone, the motorized motions part is not exerted pressure by pole; When clutch is in electronic position,, promote contacting of pole disengaging and motorized motions part via contacting of shift fork outside boss and pole sidewall inclined-plane.
Working principle:
Switch to the process of manual position by electronic position: rotate shift fork; Inner convex platform on the shift fork contacts and lifts clutch with clutch, when clutch and the engagement of manual drives part, shift fork outside boss A is elevated to the position of the slot B of pole; Be close to spring and promote the slot that pole makes shift fork outside boss entering pole; Discharge the torque on the shift fork this moment, shift fork is pressed on the arm pin confined planes promotion pole under the effect of stage clip, and the manually-operable position is able to keep.
Be returned to the process of electronic position by manual position: when the motorized motions part rotates; Camming surface D on the motorized motions part promotes pole deflection, disengages until pole slot and shift fork outside boss, and stage clip promotion this moment clutch moves downward with the motorized motions part and meshes; Driving shift fork simultaneously moves downward; When shift fork outside boss contacted with the pole inclined-plane, shift fork outside boss promoted the further deflection of pole, and pole and motorized motions part are thoroughly disengaged.Electronic position is replied by mechanism.
The above only is the preferred embodiment of the utility model, is not the structure of the utility model is done any pro forma restriction.Every technical spirit according to the utility model is to any simple modification, equivalent variations and modification that above embodiment did, all still belongs in the scope of technological scheme of the utility model.
Claims (2)
1. the moving switching mechanism of electronic preferential torch in the electric valve executing mechanism; Comprise manual drives part, motorized motions part, clutch, stage clip, shift fork and a linkage; Said manual drives part and the coaxial installation of motorized motions part; Clutch is connected with transmission shaft through key, and can slippage on transmission shaft; Shift fork is stirred clutch; Clutch is connected with manual drives part or motorized motions part respectively through tooth embedding engagement; Manual drives part or motorized motions part drive clutch and drive the transmission shaft running, it is characterized in that: the said shift fork front end outside is provided with boss, and shift fork outside boss touches with a linkage.
2. the moving switching mechanism of electronic preferential torch in the electric valve executing mechanism according to claim 1; It is characterized in that: said linkage constitutes by pole with arm pin that basic fixed is installed; The center hole of said pole cooperates with arm pin; Said pole sidewall cross section is " L " shape that is inverted, and said pole side wall upper part is provided with slot, and the vertical surface of pole sidewall combines the bight to be provided with the inclined-plane with horizontal plane; Said pole sidewall and shift fork outside boss touch, and said pole being provided with is close to spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203548749U CN202228765U (en) | 2011-09-21 | 2011-09-21 | Electric priority manual and electric switching mechanism in valve electric actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203548749U CN202228765U (en) | 2011-09-21 | 2011-09-21 | Electric priority manual and electric switching mechanism in valve electric actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202228765U true CN202228765U (en) | 2012-05-23 |
Family
ID=46079351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203548749U Expired - Lifetime CN202228765U (en) | 2011-09-21 | 2011-09-21 | Electric priority manual and electric switching mechanism in valve electric actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202228765U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105952807A (en) * | 2016-07-08 | 2016-09-21 | 天津市津达执行器有限公司 | Manual operation and electric operation matching switching mechanism of electric actuator |
| CN108900040A (en) * | 2018-06-06 | 2018-11-27 | 苏州博睿测控设备有限公司 | A kind of Electric Actuator hand automatic switching control equipment and method |
| 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 |
| CN114791753A (en) * | 2022-04-28 | 2022-07-26 | 江苏海博流体控制有限公司 | Electric actuator with manual mechanism |
-
2011
- 2011-09-21 CN CN2011203548749U patent/CN202228765U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105952807A (en) * | 2016-07-08 | 2016-09-21 | 天津市津达执行器有限公司 | Manual operation and electric operation matching switching mechanism of electric actuator |
| CN108900040A (en) * | 2018-06-06 | 2018-11-27 | 苏州博睿测控设备有限公司 | A kind of Electric Actuator hand automatic switching control equipment and method |
| CN108900040B (en) * | 2018-06-06 | 2020-07-14 | 苏州博睿测控设备有限公司 | Manual and automatic switching device and method for electric actuator |
| 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 |
| CN114791753A (en) * | 2022-04-28 | 2022-07-26 | 江苏海博流体控制有限公司 | Electric actuator with manual mechanism |
| CN114791753B (en) * | 2022-04-28 | 2022-12-13 | 江苏海博流体控制有限公司 | Electric actuator with manual mechanism |
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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: 20120523 |