CN202423083U - Knob device with gear operations - Google Patents
Knob device with gear operations Download PDFInfo
- Publication number
- CN202423083U CN202423083U CN2011205258793U CN201120525879U CN202423083U CN 202423083 U CN202423083 U CN 202423083U CN 2011205258793 U CN2011205258793 U CN 2011205258793U CN 201120525879 U CN201120525879 U CN 201120525879U CN 202423083 U CN202423083 U CN 202423083U
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- knob
- rotary shaft
- positioning element
- elasticity positioning
- 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
Links
Images
Landscapes
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Abstract
A knob device with gear operations comprises a knob (4), a rotary shaft (2) and a fixed seat (1). The rotary shaft (2) is supported rotably relative to the fixed seat (1), one end of the rotary shaft (2) is connected with the knob (4), and the other end of the rotary shaft (2) serves as an output end. The knob device with the gear operations is characterized in that elastic positioning elements are arranged on the fixed seat (1) corresponding to the rotary shaft (2) and abut against the rotary shaft (2) along the radial direction of the rotary shaft (2), multiple matching positioning surfaces (210) are arranged on the circumference of the rotary shaft (2) corresponding to the elastic positioning elements, and the elastic positioning elements are matched with the matching positioning surfaces (210) in an abutting manner to form a multi-gear positioning structure. Positioning and maintaining of gears are achieved by directly adopting matching among the elastic positioning elements and the matching positioning surfaces on the circumference of the rotary shaft, and the knob device with the gear operations is simple in structure, small in size, low in cost, high in positioning accuracy and hard to wear.
Description
Technical field
The utility model relates to the low-voltage electrical apparatus field, is specifically related to a kind of gear position operation knob assembly of many grades of change over switches.
Background technology
Automatic transfer switching electric appliance is a kind of automatic power switching device shifter.Can switch one or more power supply, to realize uninterrupted power supply load equipment.Conversion between the two-way power supply can realize through electric operating or manual operation.When No. one main power source breaks down; Can rotate the automatic conversion that realizes between main power source and the Backup Power Switch through for example motor rotational driving gear, perhaps can under the malfunctioning situation of automatic conversion, realize above-mentioned conversion through manual rotation driven wheel.
Therefore automatic change-over should provide a kind of operation to select knob, can realize the switching between a plurality of functions.In the prior art, operation selects knob to be installed on the operating axis of a square-section, and this operating axis grips through the extension spring that two holding pieces and that are hingedly fixed on the fixed mount are mounted on two holding pieces.Therefore after operation selects knob drive operating axis to turn over certain angle; Holding piece can be clamped to operating axis rapidly under the effect of extension spring on another state position, and this operation with gear selects knob structure complicated, and volume is big; And because the contact-making surface of holding piece and operating axis is less; Frictional force is big, makes holding piece or operating axis easy abrasion, and the reason owing to frictional force is prone to the centre position that operation selection knob is parked in the two states position simultaneously.
Summary of the invention
The utility model purpose provides a kind of knob assembly with gear position operation, and the complex structure, the volume that exist with the solution prior art are big, and easy to wear, and the wearing and tearing back influences the problem of accurate positioning property.
For achieving the above object; The technical scheme that the utility model adopts is: a kind of knob assembly with gear position operation comprises knob, rotating shaft and holder, said rotating shaft relative fixed seat rotating support; And rotating shaft one end connects knob, and the other end is as output; Corresponding rotating shaft is provided with the elasticity positioning element on the said holder; This elasticity positioning element radially presses in the rotating shaft along rotating shaft; And the week of rotating shaft upwards is provided with a plurality of cooperation locating surfaces corresponding to the elasticity positioning element, thus said elasticity positioning element with a plurality of cooperate locating surface to offset to cooperate constitute many grades of location structures.
In the technique scheme, about explaining and changing as follows:
1, in the such scheme; Further scheme is flexure strip or the elastic strip that said elasticity positioning element is an arc; The length direction of this flexure strip or elastic strip is perpendicular to the axial setting of rotating shaft, and presses in the rotating shaft with the middle part that its arc arches upward, and cooperates with the locating surface that cooperates in the rotating shaft.
Further scheme is again: said cooperation locating surface is the plane, and the axial line symmetry that these planes made progress around the shaft in rotating shaft week is uniformly distributed with, and connects with the arcwall face transition between adjacent plane.Preferred version is: said cooperation locating surface is four, and said flexure strip or elastic strip are symmetrical two, and this two flexure strip or elastic strip one the first from left right side are with the rotating shaft clamping.
2, in the such scheme, said " elasticity positioning element " is meant various elastic components, can add that a decorative pearl on top of an official cap constitutes by the mechanical coil spring top; It also can be the arc flexure strip; Like arc-shaped spring piece, arc elasticity of plastics sheet, also can be the elastic strip of arc, like arc spring bar etc.
Because the technique scheme utilization, the utility model compared with prior art has advantage:
Because the utility model directly adopts the location and the maintenance that cooperate locating surface to cooperate to accomplish gear on elasticity positioning element and the rotating shaft side face, simple in structure, volume is little, and cost is low, and, also not easy to wear, accurate positioning property height.
Description of drawings
Accompanying drawing 1 is the utility model embodiment one each exploded sketch;
Accompanying drawing 2 is the complete section sketch map of the utility model embodiment one, has laid down knob among this figure;
Accompanying drawing 3 is the schematic perspective view of the base in the holder of the utility model embodiment one;
The effect sketch map that accompanying drawing 4 matches with rotating shaft for the utility model embodiment one elasticity positioning element;
The effect sketch map that accompanying drawing 5 matches with rotating shaft for the utility model embodiment two elasticity positioning elements;
The effect sketch map that accompanying drawing 6 matches with rotating shaft for the utility model embodiment three elasticity positioning elements.
In the above accompanying drawing: 1, holder; 101, base; 1010a, chute; 1010b, chute; 1015, pivot; 102, loam cake; 2, rotating shaft; 21, actuator; 210, cooperate locating surface; 212, square hole; 213, arcwall face; 214, cam surface; 215, cylindrical cam; 22, square shaft; 221, axle head; 4, knob; 5, arc-shaped spring piece; 6, signaling switch; 7, the action bars of change over switch clutch; 8, mechanical coil spring; 9, the decorative pearl on top of an official cap; 10, pilot hole; 11, location depression.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further described:
Embodiment one: shown in accompanying drawing 1～accompanying drawing 4:
A kind of knob assembly with gear position operation comprises knob 4, rotating shaft 2 and holder 1, said rotating shaft 2 relative fixed seats 1 rotating support, and rotating shaft 2 one ends connection knob 4, and the other end is as output.
Said rotating shaft 2 specifically is formed by connecting a square shaft 22 and an actuator 21, the axle head 221 and knob 4 sockets of the upper end of said square shaft 22, and the lower end of square shaft 22 is plugged in the square hole 212 on the actuator 21.The hypomere of actuator 21 is a cylindrical cam 215, and the bottom cam surface 214 of this cylindrical cam 215 offsets with the action bars 7 (shown in dotted line among Fig. 2) of change over switch clutch and cooperates.
The epimere of actuator 21 (also being rotating shaft 2) upwards is provided with four week and cooperates locating surface 210; Specifically should cooperate locating surface 210 is the plane; The axial line symmetry that these four planes made progress around the shaft in 2 weeks of rotating shaft is uniformly distributed with, and connects with arcwall face 213 transition between adjacent plane.
Said holder 1 is a box-like body, and this box-like body is made up of base 101 and loam cake 102.Be provided with a pivot 1015 in the base 101, the bottom of actuator 21 is socketed on this pivot 1015, and with screw, constitute pivotal connection with these rotating shaft 2 relative fixed seats 1, and square shaft 22 (also being the upper end of rotating shaft 2) stretches out from loam cake 102.
The epimere of corresponding actuator 21 in the base 101 (also being rotating shaft 2) is provided with symmetrical two elasticity positioning elements; Concrete elasticity positioning element is the spring leaf 5 of arc; Concrete like diagram, the length direction of spring leaf 5 is axial perpendicular to rotating shaft 2, and two ends respectively are stuck among the chute 1010a and chute 1010b on the base 101; And the middle part that its arc arches upward presses in the rotating shaft 2; Apply the power that compresses radially along rotating shaft 2 promptly for the epimere (also being rotating shaft 2) of actuator 21, the first from left right side is rotating shaft 2 clampings, thereby two spring leafs 5 cooperate formation gear location structures with the locating surface 210 that respectively cooperates in the rotating shaft 2.
Specifically, this instance also comprises a signaling switch 6, and this signaling switch 6 is installed in the base 101, and it is compressed the periphery of contact facing to the cylindrical cam 215 of actuator 21.In two range states that rotating shaft 2 is rotated, the periphery of cylindrical cam 215 presses or does not press signaling switch 6, makes it to send the signal of telecommunication of representing rotating shaft 2 place range states.
The present embodiment operation principle is: under reset condition, rotating shaft 2 is clamped on a certain state position by two arc-shaped spring pieces 5, and knob 4 is pointed on a certain state position.When needs are transformed into another kind of state, only need rotary knob 4, make knob 4 drive rotating shaft 2 and rotate together; In rotation process, the arcwall face 213 in the rotating shaft 2 backs down arc-shaped spring piece 5, makes arc-shaped spring piece 5 that strain take place; When after knob 4 turns over less than 45 degree, discharging; At this moment two spring leafs 5 can return to original operating state with rotating shaft 2 under the effect of elastic force, and lean on two arc-shaped spring pieces 5 to grip.When knob 4 turns over when spending greater than 45, at this moment the elastic force that produces of arc-shaped spring piece 5 is maximum, and rotating shaft 2 can be on another state position of fast steering under the effect of arc-shaped spring piece 5, and grips through two arc-shaped spring pieces 5.In transfer process, the periphery of the cylindrical cam 215 on the actuator 21 can move by drive signal switch 6, makes it to export one and opens or closes signal.The action bars 7 that cam surface on the actuator 21 214 meetings simultaneously drive the change over switch clutch moves downward.
Present embodiment makes whole apparatus structure simple owing to adopt the spring leaf 5 direct countershafts 2 of arc to carry out clamping, and volume is little; Cost is low, and the elasticity that provides through arc-shaped spring piece and the shape of arc, can make rotating shaft 2 after turning over the position; Can turn to another state position rapidly; And when not turning over, can return to the previous status position again, be not prone to the phenomenon that is parked in intermediateness; Thereby the complex structure, the volume that have solved the prior art existence are big, and easy to wear, and the wearing and tearing back influences the problem of accurate positioning property.
What adopt in the present embodiment is the spring leaf 5 of arc, and can also replace spring leaf 5 with the spring of arc, the elasticity of plastics sheet of arc in the practical application, also can reach identical effect.
Embodiment two: shown in accompanying drawing 5:
A kind of knob assembly with gear position operation; Comprise knob 4, rotating shaft 2 and holder 1, compare with embodiment one that difference is: the spring leaf 5 that said elasticity positioning element is an arc only adopts one; And 2 the axial line rotation around the shaft that makes progress in the epimere of actuator 21 (also being rotating shaft 2) week is symmetrical set three cooperation locating surfaces 210; And 210 of adjacent cooperation locating surfaces also connect with arcwall face 213 transition, thereby when rotating shaft 2 is rotated, are that to turn over 120 degree be one grade.Other are with embodiment one.Complex structure, volume that present embodiment two has also solved the prior art existence are big, and easy to wear, and the wearing and tearing back influences the problem of accurate positioning property.
Embodiment three: shown in accompanying drawing 6:
A kind of knob assembly with gear position operation; Comprise knob 4, rotating shaft 2 and holder 1, compare with embodiment one that difference is: said elasticity positioning element is one; And form by the mechanical coil spring 8 and a decorative pearl on top of an official cap 9; Mechanical coil spring 8 is embedded in the pilot hole of offering on base 101 inwalls 10, and the decorative pearl on top of an official cap 9 is located at the place, aperture of pilot hole 10, and the decorative pearl on top of an official cap 9 can compress in pilot hole 10; And said cooperation locating surface is designed to the location depression 11 of arc indent, thereby caves in and 11 offset to cooperate and constitute many grades of location structures in the decorative pearl on top of an official cap 9 and location.Complex structure, volume that present embodiment three has also solved the prior art existence are big, and easy to wear, and the wearing and tearing back influences the problem of accurate positioning property.
The foregoing description only is the technical conceive and the characteristics of explanation the utility model, and its purpose is to let the personage who is familiar with this technology can understand content of the utility model and enforcement according to this, can not limit the protection range of the utility model with this.All equivalences of being done according to the utility model spirit change or modify, and all should be encompassed within the protection range of the utility model.
Claims (4)
1. the knob assembly with gear position operation comprises knob (4), rotating shaft (2) and holder (1), said rotating shaft (2) relative fixed seat (1) rotating support, and rotating shaft (2) one ends connection knob (4), and the other end is as output; It is characterized in that: said holder (1) is gone up corresponding rotating shaft (2) and is provided with the elasticity positioning element; This elasticity positioning element radially presses in the rotating shaft (2) along rotating shaft (2); And the week of rotating shaft (2) upwards is provided with a plurality of cooperation locating surfaces (210) corresponding to the elasticity positioning element, said elasticity positioning element with a plurality of cooperate locating surface (210) thus offseting to cooperate constitutes many grades of location structures.
2. the knob assembly with gear position operation according to claim 1; It is characterized in that: flexure strip or elastic strip that said elasticity positioning element is an arc; The length direction of this flexure strip or elastic strip is perpendicular to the axial setting of rotating shaft; And the middle part so that its arc arches upward presses in the rotating shaft, cooperates with the locating surface (210) that cooperates in the rotating shaft (2).
3. the knob assembly with gear position operation according to claim 2; It is characterized in that: said cooperation locating surface (210) is the plane; The axial line symmetry that these planes made progress around the shaft in rotating shaft week is uniformly distributed with, and connects with arcwall face (213) transition between adjacent plane.
4. the knob assembly with gear position operation according to claim 3; It is characterized in that: said cooperation locating surface (210) is four; Said flexure strip or elastic strip are symmetrical two, and this two flexure strip or elastic strip one the first from left right side are with rotating shaft (2) clamping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205258793U CN202423083U (en) | 2011-12-15 | 2011-12-15 | Knob device with gear operations |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205258793U CN202423083U (en) | 2011-12-15 | 2011-12-15 | Knob device with gear operations |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202423083U true CN202423083U (en) | 2012-09-05 |
Family
ID=46747819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205258793U Expired - Lifetime CN202423083U (en) | 2011-12-15 | 2011-12-15 | Knob device with gear operations |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202423083U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107464702A (en) * | 2016-06-03 | 2017-12-12 | 上海西门子医疗器械有限公司 | Synthesize button and Medical Devices |
| CN107733420A (en) * | 2017-11-24 | 2018-02-23 | 惠州市精谷自动化科技有限公司 | A kind of dust-proof indexing switch |
-
2011
- 2011-12-15 CN CN2011205258793U patent/CN202423083U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107464702A (en) * | 2016-06-03 | 2017-12-12 | 上海西门子医疗器械有限公司 | Synthesize button and Medical Devices |
| CN107733420A (en) * | 2017-11-24 | 2018-02-23 | 惠州市精谷自动化科技有限公司 | A kind of dust-proof indexing switch |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202423083U (en) | Knob device with gear operations | |
| CN204905075U (en) | Two power automatic transfer switch's action mechanism | |
| CN203262471U (en) | Electric and manual operation switching mechanism of sunshade | |
| CN201994226U (en) | Serial and parallel connection balance conversion switch | |
| CN102867673B (en) | Multi-functional-position rotary switch | |
| CN204936544U (en) | A kind of binder conduction rubber cushion self-turning mechanism | |
| CN203774107U (en) | Operating mechanism of dual-power automatic conversion switch | |
| CN102074389A (en) | Multi-stage regulating switch | |
| CN204011212U (en) | Push type Non-intermittent rotary switch | |
| CN207909446U (en) | A kind of air plug spanner | |
| CN202328064U (en) | Novel table lamp joint mechanism | |
| CN201913572U (en) | Multi-head type ratchet wrench capable of switching at three directions | |
| CN201829371U (en) | Dual-power automatic transfer switch | |
| CN207109540U (en) | A kind of electromechanical dynamic gear shifting device of road sign | |
| CN208157277U (en) | A kind of manually handle three position mechanism used for high-voltage switch | |
| CN209952969U (en) | Dual-purpose type flour mill | |
| CN103714985B (en) | The operating mechanism of double power supply automatic transfer switch | |
| CN202423033U (en) | Electric operating mechanism of automatic transfer switch | |
| CN203277106U (en) | Gear type guiding switching device | |
| CN102205537B (en) | Steering structure for electric tool | |
| CN209401512U (en) | A kind of mechanical locking arrangement of dual-power transfer switch | |
| CN216957230U (en) | Preschool education multi-turn-table arithmetic device | |
| CN201156215Y (en) | Multifunctional master controller | |
| CN209118975U (en) | A kind of convenient and fast keyless ignition switch of dismounting | |
| CN203982440U (en) | Connect paper money axle one-way turning mechanism |
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: 20120905 |