CN201476112U - Microwave oven timer - Google Patents
Microwave oven timer Download PDFInfo
- Publication number
- CN201476112U CN201476112U CN2009201886067U CN200920188606U CN201476112U CN 201476112 U CN201476112 U CN 201476112U CN 2009201886067 U CN2009201886067 U CN 2009201886067U CN 200920188606 U CN200920188606 U CN 200920188606U CN 201476112 U CN201476112 U CN 201476112U
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- CN
- China
- Prior art keywords
- power
- cam
- control gear
- power control
- power cam
- 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 - Fee Related
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Abstract
The utility model discloses a microwave oven timer comprising a shifting fork, as well as a driver gear, a microswitch and a power control gear which are installed on a bottom case; the external teeth of a power cam and the external teeth of the driver gear are in meshing connection; the power cam and the power control gear are installed on a same shaft, and a spring is also arranged on a shaft between the bottom case and the power cam; the power control gear and the power cam can rotate freely on the shafts thereof, and the power control gear can bounce up and down on the shaft; the power cam is provided with a gap; and the microswitch is in enclosed type. The microwave oven timer has the advantages of facilitating specialized production, improving production efficiency, and improving the quality of products.
Description
Technical field
The utility model relates to a kind of micro-wave oven, particularly a kind of micro-wave oven timer.
Background technology
The utility model belongs to electromechanical integrated product, and the basic function of micro-wave oven timer is 2 points: the control of (1) micro-wave oven working time; (2) control of micro-wave oven mean power, traditional micro-wave oven mean power mainly are to realize that by controlling two exposed contact break-makes the existing shortcoming of this structure is: change greatly the poor reliability of action.
Summary of the invention
At above shortcoming, the utility model provides a kind of new type of microwave stove timer.
In order to overcome above-mentioned shortcoming, technical solution adopted in the utility model is:
A kind of micro-wave oven timer, comprise shift fork, be arranged on travelling gear, microswitch and power control gear on the drain pan, the external tooth of power cam and the external tooth of travelling gear are for being connected with a joggle, power cam and power control gear are arranged on the same axle, also are provided with spring on the axle between described drain pan and the power cam;
Described power control gear and power cam are arranged on its axle with rotating freely, and the power control gear is arranged on the axle up and down play.
Described power cam is provided with breach;
Described microswitch is closed.
The beneficial effects of the utility model: help specialized production, improved production efficiency, and improved the quality of product.
Description of drawings
Fig. 1, structural representation of the present utility model;
Fig. 2, floor map of the present utility model;
The structural representation of Fig. 3, the utility model microswitch;
The specific embodiment
See also its implementation process of description of drawings:
This mechanism is by synchronous machine drives, slows down by the classification of gear and comes transmission, and power transmits from travelling gear 2, the rotation of the rotating band kinetic power cam 7 by travelling gear 2.Power control gear 4 is contained in the drain pan 1, with axis hole in the drain pan 1 be matched in clearance, can rotate freely and play up and down, power cam 7 is an axle with the axle of power control gear 4, can rotate freely thereon, compression spring housing 8 is on the axle of power cam 7.Under the certain situation of micro-wave oven mean power, the relative position of power control gear 4 is fixed, power cam 7 rotates under the driving of travelling gear 2, when the spur on the power cam 7 when spur on the power control gear 4 contacts, because the effect of two spurs, power cam 7 quilts past downslide the gradually, compression spring 8 is compressed, do not contact and touch the bottom until the point of two spurs, shift fork 3 slides into above the power cam 7 in this process, thereby C1 on the microswitch 5 and NC2 connect, and C1 and NO4 disconnect.Power control switching is used described microswitch 5.Power cam 7 is rotated further, when the breach of the head ingoing power cam 7 of shift fork 3, power cam 7 upwards slides under the effect of compression spring 8, rotation along with power cam 7, the head of shift fork 3 is climbed to the periphery of power cam 7, this moment, the button of microswitch 5 was pressed, and switch C1 and NC2 are disconnected, and C1 and NO4 connect.30 seconds total times that switches on and off with microswitch 5 are the work of the cycle making rule.This mechanism can be as required and the position of regulated at will power control gear 4, thereby make the asynchronism(-nization) that switches on and off of microswitch 5 obtain the mean power of the micro-wave oven that needs.
In sum, its basic structure of the utility model is gear drive, is benchmark with the supply frequency, and by synchronous machine drives, the cam of controlling the micro-wave oven mean power by the classification deceleration of gear rotates, and reaches the purpose of microswitch break-make.Mean power mainly is to realize by the microswitch of controlling a sealing.The structural design of this closed microswitch of mechanism not only helps specialized production, has improved production efficiency, and has improved the quality of product.
Those skilled in the art's simple replacement and replacing all are within the protection domain of this patent in this area.
Claims (3)
1. micro-wave oven timer, it is characterized in that, comprise shift fork (3), be arranged on travelling gear (2), microswitch (5) and power control gear (4) on the drain pan (1), the external tooth of the external tooth of described power cam (7) and travelling gear (2) is for being connected with a joggle, power cam (7) and power control gear (4) are arranged on the same axle, also are provided with spring (8) on the axle between described drain pan (1) and the power cam (7).
2. a kind of micro-wave oven timer according to claim 1 is characterized in that, described power control gear (4) and power cam (7) are arranged on its axle with rotating freely, and power control gear (4) is arranged on the axle up and down play.
3. a kind of micro-wave oven timer according to claim 1 is characterized in that described power cam (7) is provided with breach.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201886067U CN201476112U (en) | 2009-08-12 | 2009-08-12 | Microwave oven timer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201886067U CN201476112U (en) | 2009-08-12 | 2009-08-12 | Microwave oven timer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201476112U true CN201476112U (en) | 2010-05-19 |
Family
ID=42412364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201886067U Expired - Fee Related CN201476112U (en) | 2009-08-12 | 2009-08-12 | Microwave oven timer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201476112U (en) |
-
2009
- 2009-08-12 CN CN2009201886067U patent/CN201476112U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20100519 Termination date: 20100812 |