CN205050742U - Gear rotary switch - Google Patents
Gear rotary switch Download PDFInfo
- Publication number
- CN205050742U CN205050742U CN201520840388.6U CN201520840388U CN205050742U CN 205050742 U CN205050742 U CN 205050742U CN 201520840388 U CN201520840388 U CN 201520840388U CN 205050742 U CN205050742 U CN 205050742U
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- China
- Prior art keywords
- gear
- groove
- movable contact
- contact spring
- dish
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Abstract
The utility model discloses a gear rotary switch, which comprises a housin, be equipped with fixed contact piece in the casing, the movable contact spring, the apparatus further comprises a rotating shaft, the last fixed contact that is equipped with of fixed contact piece, be equipped with the movable contact on the movable contact spring, pivot one end is stretched out outside the casing, the pivot other end is equipped with the gear dish, be equipped with interval distribution's gear groove on the gear dish, link up through being connected the face between gear groove and the gear groove, the movable contact spring includes link and free end, the movable contact sets up in the free end, the free end is equipped with the linkage piece with gear dish intermittent type butt, the linkage piece corresponds with the position in gear groove, the gear dish passes through the gear groove or connects face and linkage cooperation drive movable contact spring and static contact contact or disconnection along pivot axis pivoted in -process. The utility model has the advantages of compact structure, small, long service life, convenient assembling is quick.
Description
Technical field
The utility model belongs to appliance switch technical field, especially a kind of for such as Garment Steamer Machine, electric fan, microwave oven, electric heater etc. have the gear rotary switch of many gears adjustment.
Background technology
At present, for some as Garment Steamer Machine, electric fan, microwave oven and electric heater etc. have the household electrical appliance of regulation stall function, its gear adjusting function is mainly realized by gear rotary switch.
Gear rotary switch of the prior art, if Chinese Authorization Notice No. is " the efficient many gear rotary switch of a kind of quick assembling " disclosed in the file of CN203859042U, its structure comprises pedestal and the cover of buckle connection, by rotating shaft, gear dish is installed in pedestal, gear dish outer circumference is provided with several gear grooves, the electrode slice of mutual conduction is provided with in gear groove, some elastic contact blades be snapped on electrode slice are also installed in pedestal, rotated by the rotating band dynamic elasticity contact of rotating shaft, it is made to realize circuit on-off with the fixed contact be installed on pedestal or contact pad.But be installed on gear dish by electrode slice due to elastic contact blade of the prior art, in the process of switch on and off, the electric current flowing through elastic contact blade and electrode slice is large, caloric value is large, easily cause rotating shaft or gear dish to be heated generation deformation, or produce wearing and tearing, and then cause switch failure.
Utility model content
In order to overcome the deficiencies in the prior art, the utility model provides the gear rotary switch of a kind of contact stabilization, safe and reliable, long service life.
To achieve these goals, the technical solution adopted in the utility model is: a kind of gear rotary switch, comprise housing, fixed touching plate is provided with in housing, movable contact spring, rotating shaft, fixed touching plate is provided with fixed contact, movable contact spring is provided with moving contact, rotating shaft one end is stretched out outside housing, the rotating shaft other end is provided with gear dish, it is characterized in that: described gear dish is provided with gear groove spaced apart, be connected by joint face between gear groove with gear groove, described movable contact spring comprises link and free end, moving contact is arranged at free end, free end is provided with the STATEMENT OF FEDERALLY SPONSORED abutted with gear dish interval, described STATEMENT OF FEDERALLY SPONSORED is corresponding with the position of gear groove, being contacted with STATEMENT OF FEDERALLY SPONSORED by gear groove or joint face in the process that described gear rim shaft axis rotates drives movable contact spring contact with static contact or disconnect.
In said structure, gear dish is at least provided with 2 gear grooves spaced apart and 2 groups of active and static contacts corresponding with gear groove, when rotating shaft drives gear dish to rotate, gear groove on gear dish or joint face can abut with STATEMENT OF FEDERALLY SPONSORED interval, forward gear groove to and be arranged in gear groove with STATEMENT OF FEDERALLY SPONSORED to STATEMENT OF FEDERALLY SPONSORED time corresponding when gear spirals, now STATEMENT OF FEDERALLY SPONSORED does not stress, the free end of movable contact spring and static contact keep initial contact condition, are now conducting state; When gear dish be rotated further joint face contact with STATEMENT OF FEDERALLY SPONSORED time, joint face extruding movable contact spring make movable contact spring away from static contact, active and static contact disconnect, now switch is off-state; The rotating shaft of this structure and gear dish are by disconnecting with the conducting driving dynamic/static contact that coordinates of STATEMENT OF FEDERALLY SPONSORED, this dynamic/static contact is all installed in housing, directly relation is not installed with rotating shaft and gear dish, this structural design is more reasonable, overcome in prior art because of movable contact spring directly and the annexation of gear dish or rotating shaft and cause the problem that switch life reduces.
As further setting of the present utility model, be also provided with locating piece between described movable contact spring and gear dish, this locating piece is provided with the mounting groove with STATEMENT OF FEDERALLY SPONSORED adaptation, is provided with the mount pad with locating piece adaptation in housing.
In said structure, STATEMENT OF FEDERALLY SPONSORED is column structure, its two ends then spherically structure, locating piece is provided with the mounting groove with the STATEMENT OF FEDERALLY SPONSORED adaptation of this column structure shape, locating piece is installed in housing, this structure ensure that the mounting structure of STATEMENT OF FEDERALLY SPONSORED is stablized, and then ensures that the on-off action between the rotation of gear dish and dynamic fixed touching plate is consistent.
As further setting of the present utility model, described gear groove comprises inner region gear groove and outskirt gear groove, and described STATEMENT OF FEDERALLY SPONSORED is distributed in position corresponding with inner region gear groove and outskirt gear groove respectively.
In said structure, be arranged at the try to get to the heart of a matter gear groove in face of gear and a subregion or multiple subregion can be set, realize multi-gear switch break-make, preferably, inside and outside two subregions are set, locating piece are then installed two groups and carry out the STATEMENT OF FEDERALLY SPONSORED of corresponding matching with inner region gear groove and outskirt gear groove respectively.
As further setting of the present utility model, described gear dish is also provided with the indexing trough of continuous distribution, between described movable contact spring with gear dish, is also provided with the calibration connector abutted with indexing trough.
In said structure, the gear rotary switch of this practicality is also provided with index dial, index dial and gear dish integrative-structure are arranged, be used to indicate effect, abutted with the indexing trough on index dial by connector in housing, this connector comprises the connection guide pillar that abuts with indexing trough and makes guide pillar keep the spring abutted with indexing trough; The bottom surface of this indexing trough in the arc structure with the sphere end adapter of guide pillar, the both sides sidewall of indexing trough in tilting towards extension, be convenient to connect guide pillar from an indexing trough to adjacent indexing trough between transition rotate, reduce frictional resistance.
As further setting of the present utility model, described gear dish is also provided with the indexing trough of continuous distribution, also be provided with the calibration connector abutted with indexing trough between described movable contact spring with gear dish, described indexing trough is distributed between inner region gear groove and outskirt gear groove.
In said structure, on gear dish, preferred distribution situation is, inner region gear groove and outskirt gear groove are that inner ring and outer ring structure are arranged on gear and try to get to the heart of a matter face, and indexing trough, then between inner ring and outer shroud, forms rational structure, conserve space.
As further setting of the present utility model, the both sides sidewall of described location notch is in extending towards outer incline.
In said structure, the bottom surface of location notch is planar structure, and its both sides sidewall slope extends outwardly, and is convenient to STATEMENT OF FEDERALLY SPONSORED and rotates along sidewall to joint face transition, reduce frictional resistance, make external force operate rotating shaft time lighter.
As further setting of the present utility model, described housing comprises face-piece and the pedestal of upper and lower snapping, offer the passage stretched out for rotating shaft in face-piece, described gear dish is provided with slide block towards the end face of pedestal, and face-piece is provided with the rolling groove with slide block adaptation towards the end face of pedestal.
In said structure, face-piece edge is provided with the snapping sheet extended towards base direction, base edge is provided with groove, this groove and snapping sheet thickness adaptation, and in groove, being provided with the fixture block coordinated with the snap groove of snapping sheet, face-piece and base, by being clasped, are connected firmly, assemble quick and convenient, and the cost of the securing member such as screw, nut can be saved.
As further setting of the present utility model, described rotating shaft one end is stretched out from face-piece upper surface, and described base is provided with the groove with movable contact spring adaptation, and the link of movable contact spring stretches out from groove and extends towards base lower surface.
In said structure, link due to movable contact spring of the prior art directly stretches out from the sidewall of housing, cannot be directly welded in PCB, the link of the movable contact spring in this utility structure directly stretches out below base, can be directly welded in PCB, easier for installation, raise the efficiency.
Adopt such scheme, the utility model has that compact conformation, volume are little, long service life, the advantage such as fast easy to assembly.
Below in conjunction with accompanying drawing, the utility model is further described.
Accompanying drawing explanation
Accompanying drawing 1 is the surface structure schematic diagram of gear rotary switch;
Accompanying drawing 2 for gear rotary switch remove face-piece after structural representation;
Accompanying drawing 3 is gear rotary switch base and the structure installment schematic diagram between active and static contact and STATEMENT OF FEDERALLY SPONSORED etc.;
Accompanying drawing 4 is the structural representation of the upper surface of the face-piece of gear rotary switch;
Accompanying drawing 5 is the structural representation of the inner face of the face-piece of gear rotary switch;
Accompanying drawing 6 is the rotating shaft of gear rotary switch and the structural representation of gear dish;
Accompanying drawing 7 is the STRUCTURE DECOMPOSITION schematic diagram of gear rotary switch;
Face-piece 11, snapping sheet 111, snap groove 111a, passage 112, rolling groove 113, base 12, groove 121, fixture block 122, slot 123, retaining wall 124, groove 124a, space 125, support column 126, erection column 127, locating piece 2, through hole 21, rotating shaft 31, gear dish 32, inner region gear groove 321, outskirt gear groove 322, indexing trough 323, joint face 324, slide block 325, movable contact spring 4, link 41, free end 42, moving contact 43, fixed touching plate 5, fixed contact 51, STATEMENT OF FEDERALLY SPONSORED 6, connect guide pillar 7.
Embodiment
Specific embodiment of the utility model is gear rotary switch as shown in figs. 1-7, comprise housing, fixed touching plate 5 is provided with in housing, movable contact spring 4, rotating shaft 31, above-mentioned rotating shaft 31 one end is stretched out outside housing, rotating shaft 31 other end is provided with gear dish 32, gear dish 32 is provided with gear groove spaced apart, be connected by joint face 324 between gear groove with gear groove, free end 42 is provided with the STATEMENT OF FEDERALLY SPONSORED 6 abutted with gear dish 32 interval, STATEMENT OF FEDERALLY SPONSORED 6 is corresponding with the position of gear groove, to be contacted with STATEMENT OF FEDERALLY SPONSORED 6 by gear groove or joint face 324 in the process that gear dish 32 rotates along rotating shaft 31 axis and drive movable contact spring 4 to contact with static contact or disconnect.Housing comprises face-piece 11 and the pedestal of upper and lower snapping, face-piece 11 edge is provided with the snapping sheet 111 extended towards base 12 direction, base 12 edge is provided with groove 121, this groove 121 is adaptive with snapping sheet 111 thickness, and in groove 121, being provided with the fixture block 122 coordinated with the snap groove 111a of snapping sheet 111, it is affixed that face-piece 11 and base 12 pass through buckle.Above-mentioned fixed touching plate 5 and movable contact spring 4 are distributed on base 12 in the left and right sides respectively, base 12 the right and left sidewall be provided with respectively with the slot 123 of link 41 adaptation of fixed touching plate 5 and movable contact spring 4, fixed touching plate 5 and movable contact spring 4 link 41 are inserted in pass from slot 123 after in this slot 123 and are revealed in outside base 12 bottom surface, are convenient to be installed in PCB.The other end of movable contact spring 4 body is then connected with free end 42, and moving contact 43 is installed on this free end 42, contacts with fixed contact 51, and this moving contact 43 can be positioned at above fixed contact 51 and also can be positioned at below fixed contact 51.
Above-mentioned base 12 is provided with the retaining wall 124 for installing locating piece 2, retaining wall 124 is distribution in front and back, the groove 124a with locating piece 2 adaptation is offered in retaining wall 124, locating piece 2 is embedded in this groove 124a, keep its stability, preferred structure is, increases middle retaining wall 124 again and play enhancing load bearing effect between front and back retaining wall 124; Further, this middle retaining wall 124 place can also arrange support column 126, locating piece 2 is offered the through hole 21 coordinated with support column 126, locating piece 2 is set on this support column 126 by through hole 21, radial end face plays position-limiting action.In order to improve the reasonability of internal structure assembling, the erection column 127 for holding the connector abutted with indexing trough 323 can also be set in the both sides of this support column 126.This erection column 127 is provided with installing hole.The free end 42 of above-mentioned movable contact spring 4 is positioned at the below of this locating piece 2, and movable contact spring 4 be installed on before in after in space 125 between retaining wall 124, effectively utilize inner installing space, reduce switch overall volume.Locating piece 2 is provided with the STATEMENT OF FEDERALLY SPONSORED 6 corresponding with movable contact spring 4 position, the lower end of this STATEMENT OF FEDERALLY SPONSORED 6 contacts with movable contact spring 4 free end 42, STATEMENT OF FEDERALLY SPONSORED 6 upper end then coordinates with gear groove or joint face 324 interval thus drives movable contact spring 4 move downward or move upward, and realizes switch on and off.STATEMENT OF FEDERALLY SPONSORED 6 is in column structure, its two ends then spherically structure, locating piece 2 is provided with the mounting groove with STATEMENT OF FEDERALLY SPONSORED 6 adaptation of this column structure shape, locating piece 2 is installed in housing, this structure ensure that the mounting structure of STATEMENT OF FEDERALLY SPONSORED 6 is stablized, and then ensures that the on-off action between the rotation of gear dish 32 and dynamic fixed touching plate 5 is consistent.
Above-mentioned gear groove comprises inner region gear groove 321 and outskirt gear groove 322, and STATEMENT OF FEDERALLY SPONSORED 6 is distributed in position corresponding with inner region gear groove 321 and outskirt gear groove 322 respectively.
Above-mentioned gear dish 32 is also provided with the indexing trough 323 of continuous distribution, between movable contact spring 4 with gear dish 32, is also provided with the calibration connector abutted with indexing trough 323.Indexing trough 323 on gear dish 32, is used to indicate effect, is abutted in housing by connector with the indexing trough 323 on index dial, and this connector comprises the connection guide pillar 7 that abuts with indexing trough 323 and guide pillar is remained and the spring that indexing trough 323 abuts; The bottom surface of this indexing trough 323 in the arc structure with the sphere end adapter of guide pillar, the both sides sidewall of indexing trough 323 in tilting towards extension, be convenient to connect guide pillar 7 from an indexing trough 323 to adjacent indexing trough 323 between transition rotate, reduce frictional resistance.
The preferred distribution situation of above-mentioned gear dish 32 is, inner region gear groove 321 and outskirt gear groove 322 are that inner ring and outer ring structure are arranged on gear dish 32 bottom surface, and indexing trough 323, then between inner ring and outer shroud, forms rational structure, conserve space.The both sides sidewall of above-mentioned location notch is in extending towards outer incline.
Offer the passage 112 stretched out for rotating shaft 31 in above-mentioned face-piece 11, gear dish 32 is provided with slide block 325 towards the end face of base 12, and face-piece 11 is provided with the rolling groove 113 with slide block 325 adaptation towards the end face of base 12.
The utility model is not limited to above-mentioned embodiment; persons skilled in the art are content disclosed in the utility model; other multiple embodiments can be adopted to implement of the present utility model; or every employing project organization of the present utility model and thinking; do simple change or change, all fall into protection range of the present utility model.
Claims (8)
1. a gear rotary switch, comprise housing, fixed touching plate is provided with in housing, movable contact spring, rotating shaft, fixed touching plate is provided with fixed contact, movable contact spring is provided with moving contact, rotating shaft one end is stretched out outside housing, the rotating shaft other end is provided with gear dish, it is characterized in that: described gear dish is provided with gear groove spaced apart, be connected by joint face between gear groove with gear groove, described movable contact spring comprises link and free end, moving contact is arranged at free end, free end is provided with the STATEMENT OF FEDERALLY SPONSORED abutted with gear dish interval, described STATEMENT OF FEDERALLY SPONSORED is corresponding with the position of gear groove, coordinated by gear groove or joint face and STATEMENT OF FEDERALLY SPONSORED in the process that described gear rim shaft axis rotates and drive movable contact spring to contact with static contact or disconnect.
2. gear rotary switch according to claim 1, is characterized in that: be also provided with locating piece between described movable contact spring and gear dish, and this locating piece is provided with the mounting groove with STATEMENT OF FEDERALLY SPONSORED adaptation, is provided with the mount pad with locating piece adaptation in housing.
3. gear rotary switch according to claim 1, is characterized in that: described gear groove comprises inner region gear groove and outskirt gear groove, and described STATEMENT OF FEDERALLY SPONSORED is distributed in position corresponding with inner region gear groove and outskirt gear groove respectively.
4. gear rotary switch according to claim 1, is characterized in that: the indexing trough described gear dish being also provided with continuous distribution, is also provided with the calibration connector abutted with indexing trough between described movable contact spring with gear dish.
5. gear rotary switch according to claim 3, it is characterized in that: the indexing trough described gear dish being also provided with continuous distribution, also be provided with the calibration connector abutted with indexing trough between described movable contact spring with gear dish, described indexing trough is distributed between inner region gear groove and outskirt gear groove.
6. gear rotary switch according to claim 1, is characterized in that: the both sides sidewall of described location notch is in extending towards outer incline.
7. gear rotary switch according to claim 1, it is characterized in that: described housing comprises face-piece and the pedestal of upper and lower snapping, the passage stretched out for rotating shaft is offered in face-piece, described gear dish is provided with slide block towards the end face of pedestal, and face-piece is provided with the rolling groove with slide block adaptation towards the end face of pedestal.
8. gear rotary switch according to claim 7, is characterized in that: described rotating shaft one end is stretched out from face-piece upper surface, and described base is provided with the groove with movable contact spring adaptation, and the link of movable contact spring stretches out from groove and extends towards base lower surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520840388.6U CN205050742U (en) | 2015-10-27 | 2015-10-27 | Gear rotary switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520840388.6U CN205050742U (en) | 2015-10-27 | 2015-10-27 | Gear rotary switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205050742U true CN205050742U (en) | 2016-02-24 |
Family
ID=55344293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520840388.6U Active CN205050742U (en) | 2015-10-27 | 2015-10-27 | Gear rotary switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205050742U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017201819A1 (en) * | 2016-05-25 | 2017-11-30 | 文毅 | Light controlled timer |
| CN109411285A (en) * | 2018-11-27 | 2019-03-01 | 深圳和而泰智能控制股份有限公司 | A kind of mechanical switch structure |
| CN111016776A (en) * | 2019-12-28 | 2020-04-17 | 余姚市瑞玛特电器有限公司 | Combined switch |
-
2015
- 2015-10-27 CN CN201520840388.6U patent/CN205050742U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017201819A1 (en) * | 2016-05-25 | 2017-11-30 | 文毅 | Light controlled timer |
| CN109411285A (en) * | 2018-11-27 | 2019-03-01 | 深圳和而泰智能控制股份有限公司 | A kind of mechanical switch structure |
| CN111016776A (en) * | 2019-12-28 | 2020-04-17 | 余姚市瑞玛特电器有限公司 | Combined switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Yueqing City Yonghe Street East Industrial Road 325000 two functional areas in Zhejiang province Wenzhou City No. 12 Patentee after: Zhejiang Dawei electronic Limited by Share Ltd Address before: Yueqing City Yonghe Street East Industrial Road 325000 two functional areas in Zhejiang province Wenzhou City No. 12 Patentee before: Zhejiang Dawei Electronic Co., Ltd. |