CN2713334Y - Timer for microwave oven - Google Patents
Timer for microwave oven Download PDFInfo
- Publication number
- CN2713334Y CN2713334Y CN 200420036750 CN200420036750U CN2713334Y CN 2713334 Y CN2713334 Y CN 2713334Y CN 200420036750 CN200420036750 CN 200420036750 CN 200420036750 U CN200420036750 U CN 200420036750U CN 2713334 Y CN2713334 Y CN 2713334Y
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- contact
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- static contact
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Abstract
The utility model relates to timer technology field, in particular to a timer for a microwave oven. The utility model comprises a seat, and a cover plate is covered on the seat. A time control part and a power control part are provided in the seat, and the power control part comprises an upper stationary contact piece, a lower stationary contact piece and a movable contact piece. The seat is provided with a shifting fork, and a pressing sleeve passes a NO. 7 gear wheel and installs the NO. 7 gear wheel in the seat. A supporting spring is sheathed at the outer part of the hollow shaft of the NO. 7 gear wheel and is provided on the spring seat of the seat. The NO. 7 gear wheel is associated with the time control part through a transition gear wheel group together. Through the shifting action of the shifting fork, the NO. 7 gear wheel makes the movable contact piece contact with the upper stationary contact piece or the lower stationary contact piece, consequently realizing the function of three grades of a full microwave grade (high grade), a full barbecue grade and an else mixing grade. The utility model doesn't need to add a relay switch at the outer part and consequently makes the structure of the timer for the microwave oven more reasonable and compact.
Description
Technical field
The utility model relates to the technical field of timer, relates in particular to a kind of timer that is used for micro-wave oven.
Background technology
In common microwave stove, general mechanical type or the electronic timer of using, but this timer generally can not make microwave power carry out distributing intermittence and controlling, an existing application number is 99236304.7, publication number is that 2375889 Chinese utility model patent discloses a kind of dentition control timer that is used for micro-wave oven, by synchronous motor, timing mechanism, four parts of firepower controlling organization and bell are formed, timing mechanism comprises the contact, timing gear, the timing dial, timing driving lever and transmission gear etc., the firepower controlling organization comprises the firepower gear, the firepower adjusting gear, the firepower control gear, firepower driving lever etc., set cooking time by timing mechanism, the firepower gear of firepower controlling organization transmits gear by firepower or tooth bar selects to pass to the firepower adjusting gear with firepower, the stopping and working of clutch for clutch control magnetron by the contact is to play regularly and intermittently to distribute the microwave power double action.But above-mentioned utility model can only be carried out the function of intermittently distributing microwave power, but can not make micro-wave oven remain at work under a kind of microwave power state, if above-mentioned utility model will accomplish to make micro-wave oven to have the function of full microwave shelves (top grade), the roasting shelves of clean burn, three gears of other mixing shelves simultaneously, then also need adding a relay switch, will make the structure of whole timer seem complicated and not compact like this in the outside of this timer.
Summary of the invention
Technical problem to be solved in the utility model is the micro-wave oven timer that a kind of compactness rational in infrastructure is provided at above-mentioned prior art present situation, it need not externally to add in addition relay switch, also can realize having full microwave shelves (top grade), the roasting shelves of clean burn, other mix the function of three different microwave gears of shelves.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of micro-wave oven timer, it includes base, base upper cover has cover plate, be provided with time control section and power control section branch in the base, it is characterized in that described power control section branch includes static contact, following static contact, between last static contact and following static contact, be provided with movable contact spring, last static contact, there is the contact end of following static contact and movable contact spring, the contact other end then passes base and forms binding post, be provided with axle in the base, the rotatable shift fork that is provided with on the axle, one gland passes No. 7 gears and it is installed in the base, support spring is enclosed within outside the hollow shaft of No. 7 gears, and be installed on the spring base of base, described gland upper surface is provided with the awl tooth, No. 7 gear links together by transition gear group and time control section, on described No. 7 gear faces round boss is arranged, the round boss end face has two grooves, a sidewall of groove is the inclined-plane, also be provided with two epicone teeth on its round boss end face, above No. 7 gear gears, be interspersed with gear No. 8, No. 8 gear lateral surfaces are provided with the pushing block to outer lug, be provided with below and the corresponding awl down of above-mentioned two epicone teeth tooth, inside is provided with and bores the corresponding lug boss of tooth, described No. 8 gears then link to each other with the power split axle by another gear train, described shift fork one end is extended with push rod downwards, push rod places down between static contact and the movable contact spring, and its other end can match with No. 8 gears with No. 7 gears and contact.
No. 7 above-mentioned gear lateral surfaces also are provided with block, also are provided with the projection that matches with block on the described cover plate, turn over head in the time of can preventing the rotative power split axle like this.
Have circular hole on the above-mentioned spring base, the circular hole edge is provided with fan-shaped slot, the bottom of gland is extended with and the corresponding fan-shaped inserted sheet of fan-shaped slot, gland passes gear No. 7, fan-shaped inserted sheet is positioned at No. 7 gears on the base after being inserted into fan-shaped slot, and No. 7 gear can rotate around gland, and No. 8 gears pass the center of gland and No. 7 gears and are positioned in the base.
The contact site of above-mentioned shift fork and round boss and No. 8 gears is triangular shape, and this triangular shape contact site also matches with two grooves of round boss end face.
Above-mentioned groove and awl tooth are symmetrically distributed on the round boss end face.
Above-mentioned last static contact, following static contact and movable contact spring all are a kind of contacts made from copper sheet, the contact just is installed in an end of copper sheet, and the contact is on same linear position, and last static contact and movable contact spring are fixed on the same side of base, and following static contact then is fixed on opposite side.
Compared with prior art, advantage of the present utility model is that this utility model only need increase one newly and go up static contact and extend base and the binding post that forms by last static contact, removed original microwave oven circuit relay switch, also can realize having full microwave shelves (top grade) simultaneously, the roasting shelves of clean burn, other mix the function of three gears of shelves, thereby make the structure of whole micro-wave oven timer more rationally compact.
Description of drawings
Fig. 1 removes structural representation behind the cover plate for the utility model embodiment;
Fig. 2 is the view that shifts out of critical piece in the power control section branch among the utility model embodiment;
Fig. 3 is the view that shifts out of shift fork among the utility model embodiment;
Fig. 4 is the vertical view of Fig. 3;
Fig. 5 is the schematic diagram of the utility model embodiment cover plate;
Fig. 6 is the schematic diagram after the utility model embodiment assembling;
Fig. 7 is the vertical view of Fig. 6.
The specific embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
A kind of micro-wave oven timer shown in Fig. 1-7, it includes base 1, be stamped cover plate 2 on the base 1, be provided with time control section and power control section branch in the base 1, this time control section is a prior art, here just do not elaborating, above-mentioned power control section branch includes static contact 3, following static contact 4, between last static contact 3 and following static contact 4, be provided with movable contact spring 5, last static contact 3, following static contact 4 and movable contact spring 5 all are a kind of contacts made from copper sheet, last static contact 3, there is the contact end of following static contact 4 and movable contact spring 5, the contact just is installed in an end of above-mentioned copper sheet, and the contact is on same linear position, last static contact 3 and movable contact spring 5 are fixed on the same side of base 1, following static contact 4 then is fixed on opposite side, when movable contact spring 5 is up, contact on the movable contact spring 5 contacts with contact on the last static contact 3, when movable contact spring 5 up-downgoings, contact on the movable contact spring 5 then contacts with contact on the following static contact 4, the above-mentioned static contact 3 of going up, the other end of following static contact 4 and movable contact spring 5 then pass base and form three binding posts 3 ', 4 ', 5 '.
Be provided with axle 5 in the base, the rotatable shift fork 6 that is provided with on the axle 5, also be provided with a spring base in the base 1, have circular hole on the spring base, the circular hole edge is provided with fan-shaped slot, there is the bottom of a gland 8 to be extended with and the corresponding fan-shaped inserted sheet 9 of fan-shaped slot, this gland 8 passes gear 10 No. 7, fan-shaped inserted sheet 9 is positioned at No. 7 gears 10 on the base 1 after being inserted into fan-shaped slot, and No. 7 gears 10 can carry out 360 degree around gland 8 and rotate, No. 7 gear 10 links together by the timing axle 26 of transition gear group 11 with the time control section, on No. 7 gear 10 end faces, a round boss 12 is arranged, round boss 12 end faces have two grooves 13 symmetrically, a sidewall of groove 13 is the inclined-plane, and above-mentioned two ramped side walls are on same turning to, on round boss 12 end faces, also be provided with two epicone teeth 14 that raise up, the bar 16 of No. 8 gears 15 passes the center of gland 8 and No. 7 gears 10 and is positioned in the base 1, also have a support spring 17 to be enclosed within outside the hollow shaft of No. 7 gears 10, and be installed on the interior spring base of base, be provided with pushing block 18 and block 19 at the lateral surface of No. 8 gears 15 to outer lug, be provided with below No. 8 gears 15 and above-mentioned two epicone teeth, the 14 corresponding teeth 20 of awl down, the upper surface of above-mentioned gland 8 also is provided with an awl tooth 21, No. 8 gear 15 inside are provided with and the corresponding lug boss of gland epicone tooth 21 awl teeth, 15 of above-mentioned No. 8 gears pass through another gear train 7 and link to each other with power split axle 22, described shift fork 6 one ends are extended with push rod 23 downwards, push rod 23 places down between static contact 4 and the movable contact spring 5, its other end can match with pushing block 18 with round boss 12 and contact, its contact site 24 is triangular shape, and this triangular shape contact site 24 also matches with two grooves 13 of round boss 12 end faces, also is provided with the projection 25 that matches with block 19 on the described cover plate 2.
The operation principle of this embodiment and process are such: turn is axle 26 regularly, micro-wave oven is started working, the transition gear group 11 of time control section is started working simultaneously, when the contact site 24 of shift fork 6 contacts with the outward flange of round boss 12, because the other end of shift fork 6 is extended with the impetus of push rod 23 downwards, force the contact on the movable contact spring 5 to contact with contact on the last static contact 3, the baking function of micro-wave oven is started working, because the time control section is also working on, gearing by transition gear group 11, No. 7 gears 10 are rotated around gland 8, when turning an angle, the following awl tooth 20 of No. 8 gear 15 belows contacts with epicone tooth 14 on the round boss 12 of No. 7 gears 10, such No. 7 gears 10 overcome the elastic force effect of support spring 17, make No. 7 gears 10 descending, the contact site 24 of shift fork is embedded in the groove 13 of round boss, at this moment push rod 23 does not just have the effect that promotes movable contact spring, because the effect of movable contact spring 5 elastic-restoring forces, this moment, the contact on the movable contact spring 5 contacted with contact on the following static contact 4, the microwave function of micro-wave oven is started working, No. 7 gears 10 continue to rotate around gland 8, the contact site 24 of shift fork 6 is contacted with the outward flange of round boss 12, the baking function of micro-wave oven is started working again, so constantly hocketing, thereby finish the purpose that micro-wave oven mixes barbecue, till the time, control section quit work.
If we will make micro-wave oven be in the duty of full microwave shelves (top grade) all the time, only need turn power split axle 22 to full microwave shelves (top grade) position, this moment No. 8 gear 15 inside be provided with gland 8 on awl tooth 21 corresponding lug bosses just in time contact with awl tooth 21 on the gland 8, No. 7 gears 10 overcome the elastic force effect of support spring 17, thereby depress gland 8 and No. 7 gears 10, the contact site 24 that makes shift fork 6 is all the time at the upper surface of round boss 12, contact on the movable contact spring contacts with contact on the following static contact 4 all the time like this, and this moment, the full microwave shelves (top grade) of micro-wave oven were worked all the time.
If we will make micro-wave oven be in the duty of the roasting shelves of clean burn all the time, then turn power split axle 22 is put to the roasting gear of clean burn again, and just in time the contact site 24 with shift fork 6 is relative for the pushing block 18 on this moment No. 8 gear 15 lateral surfaces.The contact site 24 of pushing block shift fork 6 because the other end of shift fork 6 is extended with the effect of push rod 23 downwards, contact the contact on the movable contact spring 5 all the time with contact on the last static contact 3, this moment, the roasting shelves of clean burn of micro-wave oven were worked all the time.
Claims (6)
1, a kind of micro-wave oven timer, it includes base, base upper cover has cover plate, be provided with time control section and power control section branch in the base, it is characterized in that described power control section branch includes static contact, following static contact, between last static contact and following static contact, be provided with movable contact spring, last static contact, there is the contact end of following static contact and movable contact spring, the contact other end then passes base and forms binding post, be provided with axle in the base, the rotatable shift fork that is provided with on the axle, one gland passes No. 7 gears and it is installed in the base, support spring is enclosed within outside the hollow shaft of No. 7 gears, and be installed on the spring base of base, described gland upper surface is provided with the awl tooth, No. 7 gear links together by transition gear group and time control section, on described No. 7 gear faces round boss is arranged, the round boss end face has two grooves, a sidewall of groove is the inclined-plane, also be provided with two epicone teeth on its round boss end face, above No. 7 gear gears, be interspersed with gear No. 8, No. 8 gear lateral surfaces are provided with the pushing block to outer lug, be provided with below and the corresponding awl down of above-mentioned two epicone teeth tooth, inside is provided with and bores the corresponding lug boss of tooth, described No. 8 gears then link to each other with the power split axle by another gear train, described shift fork one end is extended with push rod downwards, push rod places down between static contact and the movable contact spring, and its other end can match with No. 8 gears with No. 7 gears and contact.
2, a kind of micro-wave oven timer according to claim 1 is characterized in that described No. 7 gear lateral surfaces also are provided with block, also are provided with the projection that matches with block on the described cover plate.
3, a kind of micro-wave oven timer according to claim 1 and 2, it is characterized in that having circular hole on the described spring base, the circular hole edge is provided with fan-shaped slot, the bottom of gland is extended with and the corresponding fan-shaped inserted sheet of fan-shaped slot, gland passes gear No. 7, fan-shaped inserted sheet is positioned at No. 7 gears on the base after being inserted into fan-shaped slot, and No. 7 gears can rotate around gland, and the bar of No. 8 gears passes the center of gland and No. 7 gears and is positioned in the base.
4, a kind of micro-wave oven timer according to claim 3 is characterized in that the contact site of described shift fork and round boss and No. 8 gears is triangular shape, and this triangular shape contact site also matches with two grooves of round boss end face.
5, a kind of micro-wave oven timer according to claim 4 is characterized in that described groove and awl tooth are symmetrically distributed on the round boss end face.
6, a kind of micro-wave oven timer according to claim 5, it is characterized in that described upward static contact, following static contact and movable contact spring all are a kind of contacts made from copper sheet, the contact just is installed in an end of copper sheet, and the contact is on same linear position, last static contact and movable contact spring are fixed on the same side of base, and following static contact then is fixed on opposite side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420036750 CN2713334Y (en) | 2004-06-18 | 2004-06-18 | Timer for microwave oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420036750 CN2713334Y (en) | 2004-06-18 | 2004-06-18 | Timer for microwave oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2713334Y true CN2713334Y (en) | 2005-07-27 |
Family
ID=34871558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420036750 Expired - Fee Related CN2713334Y (en) | 2004-06-18 | 2004-06-18 | Timer for microwave oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2713334Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101545340B (en) * | 2009-05-13 | 2012-01-04 | 合肥荣事达三洋电器股份有限公司 | Mechanical children lock for microwave oven |
| CN112798898A (en) * | 2021-03-29 | 2021-05-14 | 广东敏卓机电股份有限公司 | Full-automatic detection equipment and detection method for microwave oven timer |
-
2004
- 2004-06-18 CN CN 200420036750 patent/CN2713334Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101545340B (en) * | 2009-05-13 | 2012-01-04 | 合肥荣事达三洋电器股份有限公司 | Mechanical children lock for microwave oven |
| CN112798898A (en) * | 2021-03-29 | 2021-05-14 | 广东敏卓机电股份有限公司 | Full-automatic detection equipment and detection method for microwave oven timer |
| CN112798898B (en) * | 2021-03-29 | 2021-07-09 | 广东敏卓机电股份有限公司 | Full-automatic detection method for microwave oven timer |
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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: 20050727 Termination date: 20110618 |