CN1256632C - Structure for preventing eccentricity of knob on control panel of microwave oven - Google Patents
Structure for preventing eccentricity of knob on control panel of microwave oven Download PDFInfo
- Publication number
- CN1256632C CN1256632C CN 02153224 CN02153224A CN1256632C CN 1256632 C CN1256632 C CN 1256632C CN 02153224 CN02153224 CN 02153224 CN 02153224 A CN02153224 A CN 02153224A CN 1256632 C CN1256632 C CN 1256632C
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- China
- Prior art keywords
- knob
- control panel
- hole
- dividing plate
- turn knob
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- Mechanical Control Devices (AREA)
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Abstract
The present invention discloses a structure for preventing the eccentricity of turn knobs on control panels of microwave ovens, which comprises a hole arranged on a control panel, a selective turn knob penetrating through the hole of the control panel, a rotating shaft and a decoder which are connected with the selective turn knob, and a partition plate, wherein the partition board is combined with the control panel into integration and is formed by backwards protruding along the edge of the hole on the back surface of the control panel, an elastic cast wall which presses the partition board along the radiating direction of the partition board is arranged on the back surface of the turn knob, and a spherical projection is formed on the terminal of the cast wall. In the present invention, elastic restoring force of the cast wall can make the center of the selective turn knob consistent with the center of the hole or regulate the center of a rotating disk turn knob to be consistent with the center of the hole, so that the eccentric phenomenon of the turn knob of the control panel is prevented. In addition, if the selective turn knob is used, the partition plate is made into a polygon, and positions can be regulated through the spherical projection of the cast wall to ensure that the selective turn knob can select from various angles. Besides, the present invention is free from the limit of the angle selection of the decoder, and various selective turn knobs can be designed.
Description
Technical field
The present invention relates to the invention of a kind of micro-wave oven aspect, then is the invention that prevents the eccentric structure that prevents control panel of microwave oven knob off-centre that takes place when on control panel knob being set furtherly.
Background technology
Fig. 1 is the control panel of microwave oven front view (FV) of prior art.Fig. 2 is the cross-sectional side view of the knob secure bond structure of prior art control panel of microwave oven.
As shown in Figure 1, the upper end of control panel 1 is provided with display window 3, and display window is used for microwave oven state or preference pattern etc.The central portion of control panel 1 is provided with the adjusting portion 5 of regulating the micro-wave oven function, and adjusting portion 5 comprises various adjusting buttons 7 and lamp 9 etc.The lower end of control panel 1 is provided with the power knob 11 that micro-wave oven is started working; Be provided with knob 22 in the middle of the bottom of control panel 1, knob 22 is used to regulate the cooking time etc.Knob 22 is divided into to be selected knob and regulates the rotating disk knob, selects knob to be used to select to cook the kind of object or cooking method etc.; Regulate the rotating disk knob and be used for continuous amounts such as adjusting time or cooking level.In the control panel 1 of micro-wave oven, can also can will regulate the rotating disk knob and select knob all to be provided with from regulating the rotating disk knob and selecting to select the knob one of them to be provided with.
As shown in Figure 2, in the micro-wave oven that uses knob 22, the electric signal when using knob 22 in order to transmit is provided with code translator 24.Knob 22 can be given prominence to the place ahead of the control panel 1 that is arranged on micro-wave oven rotatably; Code translator 24 is arranged on the rear of control panel 1.Having as shown in the figure, the knob 22 of the control panel 1 of structure carries out secure bond from the back side of control panel 1.
Code translator 24 is combined on the knob 22 by forwards prolonging the turning axle 26 that is provided with, so the selected electric signal of the rotation of knob 22 passes to control part by printed circuit board (PCB) 28.In order to transmit this electric signal, code translator 24 electrically connects with printed circuit board (PCB) 28, and some and printed circuit board 28 weld together.
But in the knob of prior art 22, knob 22 is not provided with off-centre and prevents structure as shown in Figure 2, so the problem that can occur eccentric a in the process of knob 22 is set.That is to say that from the front of micro-wave oven, the central shaft A of knob 22 and the central shaft A ' in hole are inconsistent, the central shaft A out of plumb of the front of control panel 1 and knob 22 in addition causes using and feels bad and problem such as outward appearance is not attractive in appearance.In addition, the knob of prior art is provided with in the structure, and the selected angle of selection knob 22 is limited not free by the selected angle of normalized code translator 24, brought restriction so give in the design of selecting knob 22.
Summary of the invention
Technical matters solved by the invention is to provide a kind of and can solve the problem of the off-centre that takes place and the restriction of removing the knob selected angle in micro-wave oven knob setting up procedure.
The technical solution adopted in the present invention is: a kind of structure that prevents control panel of microwave oven knob off-centre, include and on control panel, have the hole, pass the hole of control panel the selection knob, and and turning axle and the code translator of selecting knob to link to each other, also be provided with dividing plate, dividing plate and control panel are one, and form along the edge in hole is rearward outstanding at the back side of control panel; Be provided with along the casting wall of dividing plate radiation direction compressing dividing plate at the back side of knob.In an embodiment of the present invention, dividing plate is a polygonal shape.In another embodiment of the present invention, dividing plate is circular.Be formed with hemisphere jut on the terminal of casting wall.
In sum, the structure of control panel of microwave oven knob off-centre that prevents of the present invention can be brought following effect:
In the present invention, the edge that is equivalent to the hole at the control panel back side is provided with dividing plate, the rear end of selecting knob or regulating the rotating disk knob be provided with can elastic deformation casting wall.When installing knob, the front end elastic deformation of casting wall withstands on the inner face of dividing plate.Elastic-restoring force by casting wall can make the center of selecting knob or regulating the rotating disk knob consistent with the center in hole.So prevented the eccentric phenomena of control panel knob.In addition, if select the situation of knob, dividing plate is made polygon, the hemisphere jut by casting wall can carry out position adjustments, makes the selection of selecting knob that multiple angles can be arranged.Also have, be not subjected to the restriction of the selected angle of code translator, can design multiple selection knob.
Description of drawings
Fig. 1 is the control panel of microwave oven front view of prior art.
Fig. 2 is the side section synoptic diagram of the knob secure bond structure of prior art control panel of microwave oven.
Fig. 3 is that the knob off-centre of control panel of microwave oven of the present invention prevents structure embodiment schematic rear view.
Fig. 4 is the side schematic view of embodiment of the invention structure.
Fig. 5 is the side schematic view of another one example structure of the present invention.
Wherein:
1: control panel 3: display window 5: adjusting portion 7: regulate button
9: lamp 11: power knob 22: knob 24: code translator
26: turning axle 28: printed circuit board (PCB) A: the central shaft of knob 22
A ': the central shaft a in hole: eccentric 100,200: control panel
102: hole 104,204: dividing plate 105: interior angle 106: stop ladder
110,210: select knob 112: stop projection 114,214: casting wall
115: connection leg 116,216: hemisphere jut 118,218: axle is timber fixedly
120: code translator 122: turning axle 124: printed-wiring board (PWB) 210: regulate the rotating disk knob
Embodiment
Provide specific embodiment below in conjunction with accompanying drawing, the present invention is prevented the embodiment of the structure of control panel of microwave oven knob off-centre is elaborated.
As shown in Figure 3, Figure 4, it is porose 102 that a side that is provided with the control panel 100 that drives microwave oven structure is provided with, and hole 102 is seen preferably circular from the front of control panel.Be equivalent on the edge in hole 102 at control panel 100 back sides round dividing plate 104.Dividing plate 104 extends to certain height to the rear of control panel 100, adopts polygonized structure in the present embodiment.Dividing plate 104 formed polygon centers are consistent with the center in hole 102.Symbol 105 is the interior angles that form dividing plate 104 among the figure.
102 inner peripheral surface is formed with and stops ladder 106 round the hole.The above-mentioned effect that stops ladder 106 is that the selection knob 110 that will illustrate below preventing is further outstanding to control panel 100 fronts.
Be formed with round the outer peripheral face of selecting knob 110 and stop projection 112, stop that projection 112 can be stuck in to stop on the ladder 106.Stop that projection 112 is stuck in and stops on the ladder 106, prevent to select knob 110 to the place ahead of control panel 106 outstanding to a certain degree more than.
Select the rear end of knob 110 to be formed with casting wall 114.Casting wall 114 1 sides select the connection leg 115 of knob 110 outsides to be connected with outstanding being formed on; The opposite side of casting wall 114 prolongs according to the curvature of selecting knob 110 outer peripheral faces and forms.Casting wall 114 from shape with material on can elastic deformation.When selecting knob 110 to be installed on the hole 102, the front end elastic deformation of casting wall 114 withstands on the inner face of dividing plate 104.The front end of casting wall 114 is respectively arranged with hemisphere jut 116, and hemisphere jut 116 closely contacts the inner face at dividing plate 104.
One have four casting walls 114 in the present embodiment, casting wall 114 forms round the outer peripheral face of selecting knob 110, can be different according to the number of design conditions casting wall 114 but be not limited only to this.Select the rear end of knob 110 to be provided with fixedly timber 118 of axle, axle fixedly timber 118 is used to connect the following code translator 120 that will illustrate.
Along with the rotation of selecting knob 110, select the and then rotation together of turning axle 122 of knob 110, code translator 120 passes to control part with the selected value of user.Code translator 120 is inserted in axle by turning axle 122 and fixedly is connected with selecting knob 110 in the timber 118.Code translator 120 operated by rotary motion are on printed circuit board 124.
Fig. 5 provides the outboard profile of another one example structure of the present invention.Replace selection knob 110 in the figure, and adopted the adjusting rotating disk knob 210 that to regulate continuous quantities such as time set continuously.
As shown in Figure 5, a side that is provided with the control panel 200 that drives microwave oven structure is provided with porose (not pointing out out in the figure value), be equivalent on the edge in hole at control panel 200 back sides round dividing plate 204, dividing plate 204 extends to certain height to the rear of control panel 200.Consider the regulatory function of the continuous quantity of regulating rotating disk knob 210 in the present embodiment, dividing plate 204 preferably is designed to circle.The dividing plate 204 formed centers of circle are consistent with the center in hole.
The rear end of regulating rotating disk knob 210 is formed with casting wall 214.Casting wall 214 1 sides are connected with the outstanding connection leg 215 of regulating rotating disk knob 210 outsides that is formed on; The opposite side of casting wall 214 prolongs according to the curvature of regulating rotating disk knob 210 outer peripheral faces and forms.Casting wall 214 from shape with material on can elastic deformation.When adjusting rotating disk knob 210 was installed on the hole, the front end elastic deformation of casting wall 214 withstood on the inner face of dividing plate 204.The front end of casting wall 214 is respectively arranged with hemisphere jut 216, and hemisphere jut 116 closely contacts the inner face at dividing plate 204.
One have four casting walls 214 in the present embodiment, casting wall 214 forms round the outer peripheral face of regulating rotating disk knob 210, can be different according to the number of design conditions casting wall 214 but be not limited only to this.The rear end of regulating rotating disk knob 210 is provided with fixedly timber 218 of axle, and axle fixedly timber 218 is used for inserting the axle (drawing is not expressed) that connects code translator.General code translator is arranged on the printed circuit board (PCB).
Below the present invention with said structure is prevented that the effect of the structure of control panel of microwave oven knob off-centre from describing.
As shown in Figure 4, in the present invention, select knob 110 to be inserted in the hole 102 and install from the back side of control panel 100.Wherein select the projection 112 that stops of knob 110 to be stuck in and to stop on the ladder 106, determined to select knob 110 to the outstanding degree in the front of control panel 100.
Select knob 110 to be installed on the hole 102, then be formed on the inner face that casting wall 114 front end hemisphere juts 116 closely withstand on dividing plate 104.Wherein casting wall 114 is in the state of elastic deformation slightly.So the elastic-restoring force by casting wall 114 is supported on the dividing plate 104, the center of selection knob 110 will be positioned at the center in hole 102.
Select the axle of knob 110 fixedly to link the turning axle 122 that code translator 120 is arranged on the timber 118, the turning axle 122 of code translator 120 also follows rotation to select AD HOC when the user rotates selection knob 110.For example, according to the angle of selecting knob 110 with the reference position rotation, select specific pattern.
In addition, the hemisphere jut 116 of casting wall 114 is installed on the interior angle 105 of dividing plate 104, prevents to select knob 110 to rotate arbitrarily.So, can select the identical pattern of number of the interior angle 105 of dividing plate 104 by said structure.
In the embodiment shown in fig. 5, on control panel of microwave oven 200, install when regulating rotating disk knob 210, regulate rotating disk knob 210 and be installed on the hole (not pointing out out in the figure value), then be formed on the inner face that casting wall 214 front end hemisphere juts 216 closely withstand on dividing plate 204.Wherein casting wall 214 is in the state of elastic deformation slightly.So the elastic-restoring force by casting wall 214 is supported on the dividing plate 204, the center of regulating rotating disk knob 210 will be positioned at the center in hole.
The axle of regulating rotating disk knob 210 fixedly links the turning axle (not pointing out out in the drawing) that code translator is arranged on the timber 218, and when the user rotated adjusting rotating disk knob 210, the turning axle of code translator is and then rotation also, the level of the decision cooking and cooking time etc.
Claims (4)
1. structure that prevents control panel of microwave oven knob off-centre, include the selection knob (110) that on control panel (100), has hole (102), pass the hole (102) of control panel (100), and the turning axle (122) and the code translator (120) that link to each other with selection knob (110), it is characterized in that also being provided with dividing plate (104), dividing plate (104) and control panel (100) be one, and the rearward outstanding formation in edge of (102) along the hole at the back side of control panel (100); Be provided with along the casting wall (114) of dividing plate (104) radiation direction compressing dividing plate (104) at the back side of knob.
2. the structure that prevents control panel of microwave oven knob off-centre according to claim 1 is characterized in that described dividing plate (104) is a polygonal shape.
3. the structure that prevents control panel of microwave oven knob off-centre according to claim 1 is characterized in that described dividing plate (104) is for circular.
4. the structure that prevents control panel of microwave oven knob off-centre according to claim 1 is characterized in that being formed with hemisphere jut (216) on the terminal of described casting wall (114).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02153224 CN1256632C (en) | 2002-11-26 | 2002-11-26 | Structure for preventing eccentricity of knob on control panel of microwave oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02153224 CN1256632C (en) | 2002-11-26 | 2002-11-26 | Structure for preventing eccentricity of knob on control panel of microwave oven |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1502869A CN1502869A (en) | 2004-06-09 |
| CN1256632C true CN1256632C (en) | 2006-05-17 |
Family
ID=34235027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02153224 Expired - Fee Related CN1256632C (en) | 2002-11-26 | 2002-11-26 | Structure for preventing eccentricity of knob on control panel of microwave oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1256632C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2107432B1 (en) * | 2008-04-01 | 2011-06-29 | Montres Rado S.A. | Pushbutton control device for a watch |
-
2002
- 2002-11-26 CN CN 02153224 patent/CN1256632C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1502869A (en) | 2004-06-09 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060517 Termination date: 20091228 |