CN102610422B - Operation knob structure for electric actuator - Google Patents
Operation knob structure for electric actuator Download PDFInfo
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- CN102610422B CN102610422B CN201210083568.5A CN201210083568A CN102610422B CN 102610422 B CN102610422 B CN 102610422B CN 201210083568 A CN201210083568 A CN 201210083568A CN 102610422 B CN102610422 B CN 102610422B
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- installing hole
- operation knob
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- knob
- knob structure
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Abstract
The invention relates to an operation knob structure for an electric actuator. The operation knob structure comprises a knob and an electrical switch. The operation knob structure is characterized in that the knob comprises a base body and an arrow-shaped bulge, wherein a spacer installing hole, a locking piece installing hole and a magnetic steel installing hole are arranged in the base body, a positioning spring and a ball are arranged in the spacer installing hole, positioning holes corresponding to working positions in a one-by-one way are arranged in a shell, a lifting pin is arranged in the locking piece installing hole, a locking compression spring is sleeved on the lifting pin, an end port of a lifting pin installing hole is provided with a gland, locking holes corresponding to the working positions in the one-by-one way are arranged in the shell, a lock hole is formed in the tail of the arrow-shaped bulge, and magnetic steel is arranged in the magnetic steel installing hole. According to the operation knob structure, when a working position is selected, the knob is rotated, and the ball is automatically pressed into the positioning hole of a corresponding working position under the action of the positioning spring, so that the automatic position can be realized. Compared with the prior art, the operation knob structure has the advantages of being convenient to operate and saving the labor. In addition, the operation knob structure is a non-contact structure, so that the shell can be ensured to be closed completely, and dust-proof, water-proof and explosion-proof requirements can be met.
Description
Technical field
The present invention relates to the local control device of electric operator, particularly a kind of automatic capturing location, easy to operate electric operator operation knob structure of realizing.
Background technology
Operation knob structure is a kind of local control device conventional in electronic execution architecture, and this structure is arranged on electric operator guidance panel, and parameter setting and the manual operation of open and close valve are carried out to electric operator in the scene of being used to.Operation knob structure is mainly made up of knob and electric switch, and turning knob can make the locational electric switch of relevant work be switched on or switched off.In use, manually knob is arrived to required service position, the used time can not pin to prevent that with padlock people from being misoperation by the locking mechanism of knob.
At present, operation knob structure mainly contains contact through shaft and two kinds of structures of contactless tongue tube.Contact through shaft structure is except knob-operated process limits to some extent to switch life, the more important thing is sealing completely and dustproof, waterproof and the requirement of explosion proof that cannot realize electric operator shell.Contactless dry reed-pipe structure, without through shaft, has solved life-span and the protection question of contact through shaft structure operation knob effectively.But contactless dry reed-pipe structure also exists following deficiency in structural design and practical application:
1, without location structure, when operation, mainly determine each service position by range estimation, be difficult for ensureing accuracy and the promptness of operation;
2, having location structure, is that a flexible block 12 is set on knob, and the movement that the one group of flange 13 that then utilizes actuator's shell to arrange at knob cylindrical place limits flexible block is to reach the object of location.This structural requirement must be pushed flexible block open and make it to depart from outer shell flanch ability turning knob, more complicated in operation;
3, locking mechanism adopts knob locking radial structure, and one group of flange that therefore must arrange at knob cylindrical place with actuator's shell and flexible block are realized the locking of knob.
Summary of the invention
The present invention provides one can realize automatic precision to determine position for solving the technical problem existing in known technology, easy to operate, laborsaving, ensures that shell seals completely simultaneously, meets the electric operator operation knob structure of dustproof, waterproof and requirement of explosion proof.
The technical scheme that the present invention takes for the technical problem existing in solution known technology is:
Electric operator operation knob structure, comprise and be arranged on rotating knob on shell, be packed on shell and each service position electric switch one to one, it is characterized in that: described knob is made up of matrix and the arrow shaped projection that is located at matrix upper surface, is shaped with keeper installing hole, locking piece installing hole and magnet steel installing hole on described matrix; In described keeper installing hole, retainer spring and ball are installed from inside to outside, on shell, are all shaped with a location hole matching with ball corresponding to each service position; In described locking piece installing hole, the ejector pin with shoulder is installed, on ejector pin, be set with locking stage clip, port position at ejector pin installing hole is provided with gland, the two ends of described locking stage clip are pressed on respectively on the circular bead surface of ejector pin and on the inner face of gland, on shell, be all shaped with a lock hole matching with ejector pin corresponding to each service position, be shaped with the lockhole of perforation vertical with locking piece installing hole at the afterbody of arrow shaped projection; In described magnet steel installing hole, magnet steel is installed.
The technical scheme that the present invention can also take is:
Described electric switch is made up of with the multiple Hall elements consistent with service position quantity hall circuitboard; Described hall circuitboard is arranged on shell, and described multiple Hall elements are all welded on hall circuitboard; Magnet steel during to corresponding service position aligns described each Hall element with knob.
Described knob is integral molded plastic structure, and its matrix is circular hollow form structure, and described keeper installing hole, locking piece installing hole, magnet steel installing hole are all located on the hollow outer rim inwall of matrix.
The port of described keeper installing hole is reducing shape.
Advantage and good effect that the present invention has are:
Adopt aforesaid operations knob structure, in the time selecting service position, turning knob, ball, under the effect of retainer spring, is pressed in the location hole of relevant work position automatically, realizes accurately location automatically.In the time that needs lock service position, only the padlock lock bridge of joining need be pierced into lockhole outward, padlock lock bridge just axially heads into ejector pin in the lock hole of relevant work position along it, guarantees that knob is locked in relevant work position.Cancel locking, only need to extract out padlock lock bridge.To sum up, this structure is compared and contactless dry reed-pipe structure of the prior art, only needs the action of a turning knob, without carrying out any other additional or operation bidirectional, can realize selection and the location of service position, thereby simplify operation, there is easy to operate, accurate, labour-saving feature.In addition, this operation knob structure is contactless structure, thereby ensures that shell seals completely, has met dustproof, waterproof and requirement of explosion proof.
Brief description of the drawings
Fig. 1 structural representation of the present invention;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the upward view of knob in Fig. 1;
Fig. 4 is that partial sectional view is looked on the right side of Fig. 1;
Fig. 5 is the partial enlarged drawing of Fig. 4;
Fig. 6 is use state reference map of the present invention;
Fig. 7 is the structural representation of prior art;
Fig. 8 is the structural representation after Fig. 7 Elastic block is thrown off;
Fig. 9 is the vertical view of Fig. 7.
In figure: 1, knob; 1-1, matrix; 1-1-1, keeper installing hole; 1-1-2, locking piece installing hole; 1-1-3, magnet steel installing hole; 1-2, arrow shaped projection; 1-2-1, lockhole; 2, retainer spring; 3, ball; 4, ejector pin; 4-1, shoulder; 5, locking stage clip; 6, gland; 7, magnet steel; 8, hall circuitboard; 9, Hall element; 10, shell; 10-1, location hole; 10-2, lock hole; 11, padlock lock bridge; 12, flexible block; 13, flange.
Embodiment
For further understanding summary of the invention of the present invention, Characteristic, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Refer to Fig. 1-6, electric operator operation knob structure, comprises being arranged on rotating knob 1 on shell 10, being packed on shell and each service position electric switch one to one.Described knob is made up of matrix 1-1 and the arrow shaped projection 1-2 that is located at matrix upper surface.On described matrix, be shaped with keeper installing hole 1-1-1, locking piece installing hole 1-1-2 and magnet steel installing hole 1-1-3.Retainer spring 2 and ball 3 are installed in described keeper installing hole from inside to outside, on shell, are all shaped with a location hole 10-1 who matches with ball corresponding to each service position.Concrete, after knob is during to a certain service position wherein, ball, under the effect of retainer spring, can be accurately pressed in location hole corresponding to this service position.Ejector pin 4 with shoulder 4-1 is installed in described locking piece installing hole, on ejector pin, be set with locking stage clip 5, in the port position of ejector pin installing hole, gland 6 is installed, the two ends of described locking stage clip are pressed on respectively on the circular bead surface of ejector pin and on the inner face of gland.On shell, be all shaped with a lock hole 10-2 who matches with ejector pin corresponding to each service position.Be shaped with the lockhole 1-2-1 of perforation vertical with locking piece installing hole at the afterbody of arrow shaped projection.In described magnet steel installing hole, magnet steel 7 is installed.
Above-mentioned electric switch can adopt dry reed-pipe structure of the prior art or other magnet-sensitive switch structure.In the present invention, described electric switch is preferably by hall circuitboard 8 and forms with multiple Hall elements 9 consistent with service position quantity.Described hall circuitboard is arranged on shell, and described multiple Hall elements are all welded on hall circuitboard.Magnet steel during to corresponding service position aligns described each Hall element with knob.Concrete, a Hall element is all installed in each service position, when knob is during to this service position, be packed in magnet steel on knob and the Hall element of this service position and align.
The above-mentioned knob being made up of matrix and arrow shaped projection can be by engineering-plastics integral injection mo(u)lding, and its matrix is circular hollow form structure, and described keeper installing hole, locking piece installing hole, magnet steel installing hole are all located on the hollow outer rim inwall of matrix.
Consider from meeting the angle using, the port of above-mentioned keeper installing hole can adopt straight mouth structure, and when avoiding dismantling at the scene, ball is lost from dropping out in installing hole, and the port of described keeper installing hole preferably adopts reducing shape structure.Concrete, successively retainer spring and ball are put into keeper installing hole, then adopt special tooling carry out reducing processing and seal ball the port of keeper installing hole, ball is pushed up all the time to electric operator shell under the pushing of retainer spring, also can in keeper installing hole, not drop out simultaneously.
Operation principle of the present invention:
With hand turning knob, to required service position, the location hole of service position, lock hole and Hall element align therewith respectively for keeper installing hole, locking piece installing hole and magnet steel installing hole.Now, on the one hand ball is pushed down in location hole in the pushing of retainer spring, ensures that knob remains on this service position, and Hall element will induce the magnetic field intensity of magnet steel on the other hand, and then converts by force magnetic field to switch level and exported.As required, the padlock lock bridge 11 of joining can be pierced into lockhole outward, padlock lock bridge will promote ejector pin axially enters in lock hole its lower end edge, and this service position is by locked.When extracting padlock lock bridge out, ejector pin is deviate under the effect of locking stage clip in lock hole, realizes release, then can carry out other operations.Knob, in each service position, can be realized location, induction and the locking to service position according to said process.
Claims (5)
1. electric operator operation knob structure, comprise and be arranged on rotating knob on shell, be packed on shell and each service position electric switch one to one, it is characterized in that: described knob is made up of matrix and the arrow shaped projection that is located at matrix upper surface, is shaped with keeper installing hole, locking piece installing hole and magnet steel installing hole on described matrix; In described keeper installing hole, retainer spring and ball are installed from inside to outside, on shell, are all shaped with a location hole matching with ball corresponding to each service position; In described locking piece installing hole, the ejector pin with shoulder is installed, on ejector pin, be set with locking stage clip, port position at ejector pin installing hole is provided with gland, the two ends of described locking stage clip are pressed on respectively on the circular bead surface of ejector pin and on the inner face of gland, on shell, be all shaped with a lock hole matching with ejector pin corresponding to each service position, be shaped with the lockhole of perforation vertical with locking piece installing hole at the afterbody of arrow shaped projection; In described magnet steel installing hole, magnet steel is installed.
2. electric operator operation knob structure according to claim 1, is characterized in that: described electric switch is made up of with the multiple Hall elements consistent with service position quantity hall circuitboard; Described hall circuitboard is arranged on shell, and described multiple Hall elements are all welded on hall circuitboard; Magnet steel during to corresponding service position aligns described each Hall element with knob.
3. according to the operation knob structure of electric operator described in claim 1 or 2, it is characterized in that: described knob is integral molded plastic structure, its matrix is circular hollow form structure, and described keeper installing hole, locking piece installing hole, magnet steel installing hole are all located on the hollow outer rim inwall of matrix.
4. according to the operation knob structure of electric operator described in claim 1 or 2, it is characterized in that: the port of described keeper installing hole is reducing shape.
5. electric operator operation knob structure according to claim 3, is characterized in that: the port of described keeper installing hole is reducing shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210083568.5A CN102610422B (en) | 2012-03-27 | 2012-03-27 | Operation knob structure for electric actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210083568.5A CN102610422B (en) | 2012-03-27 | 2012-03-27 | Operation knob structure for electric actuator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102610422A CN102610422A (en) | 2012-07-25 |
| CN102610422B true CN102610422B (en) | 2014-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210083568.5A Active CN102610422B (en) | 2012-03-27 | 2012-03-27 | Operation knob structure for electric actuator |
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| Country | Link |
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| CN (1) | CN102610422B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111895169B (en) * | 2020-08-10 | 2022-03-11 | 南京拓耘达智慧科技有限公司 | Remote electronic lock and mechanical lock coexisting structure of electric actuating mechanism |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3803370A (en) * | 1973-02-21 | 1974-04-09 | Grayhill | Miniature multi-position rotary switch with flexible contact arrangements and inner housing cylindrical sleeve |
| CN201220729Y (en) * | 2007-12-21 | 2009-04-15 | 胡明彬 | Vehicle wheel transmission structure |
| CN201446979U (en) * | 2009-07-08 | 2010-05-05 | 三一重机有限公司 | Locking mechanism used on telescoping vehicle frame |
| CN202033672U (en) * | 2011-01-11 | 2011-11-09 | 科蒂斯仪器(中国)有限公司 | Electronic speed regulator of electric handicap scooter |
| CN202495375U (en) * | 2012-03-27 | 2012-10-17 | 天津祥嘉流体控制系统有限公司 | Operation knob structure used by electric actuating mechanism |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10234925A1 (en) * | 2002-07-31 | 2004-02-19 | BSH Bosch und Siemens Hausgeräte GmbH | Rotary selector switch for controlling different program sequences of electrical appliance e.g. washing machine, has ratchet body of rotatable operating element provided with magnetic device cooperating with magnetic field sensor |
-
2012
- 2012-03-27 CN CN201210083568.5A patent/CN102610422B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3803370A (en) * | 1973-02-21 | 1974-04-09 | Grayhill | Miniature multi-position rotary switch with flexible contact arrangements and inner housing cylindrical sleeve |
| CN201220729Y (en) * | 2007-12-21 | 2009-04-15 | 胡明彬 | Vehicle wheel transmission structure |
| CN201446979U (en) * | 2009-07-08 | 2010-05-05 | 三一重机有限公司 | Locking mechanism used on telescoping vehicle frame |
| CN202033672U (en) * | 2011-01-11 | 2011-11-09 | 科蒂斯仪器(中国)有限公司 | Electronic speed regulator of electric handicap scooter |
| CN202495375U (en) * | 2012-03-27 | 2012-10-17 | 天津祥嘉流体控制系统有限公司 | Operation knob structure used by electric actuating mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102610422A (en) | 2012-07-25 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Jin Chengbo Inventor after: Fan Duxing Inventor after: Li Hualei Inventor after: Liu Congpan Inventor after: Dai Yandong Inventor after: Liang Aichao Inventor before: Zhao Jianmin Inventor before: Guo Wenqi Inventor before: Ren Huiyuan Inventor before: Liu Zhanjun |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: ZHAO JIANMIN GUO WENQI REN HUIYUAN LIU ZHANJUN TO: JIN CHENGBO FAN DUXING LI HUALEI LIU CONGPAN DAI YANDONG LIANG AICHAO |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |