CN1779354A - Release preventing structure for radiating fan of microwave oven - Google Patents
Release preventing structure for radiating fan of microwave oven Download PDFInfo
- Publication number
- CN1779354A CN1779354A CN 200410072913 CN200410072913A CN1779354A CN 1779354 A CN1779354 A CN 1779354A CN 200410072913 CN200410072913 CN 200410072913 CN 200410072913 A CN200410072913 A CN 200410072913A CN 1779354 A CN1779354 A CN 1779354A
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- China
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- rotating shaft
- radiator fan
- actuating motor
- microwave oven
- ring
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Abstract
A disengagement-proof structure of a cooling fan for the microwave oven comprises a starting motor on the roof of the electric control chamber, a cooling fan combined in the rotary shaft of the starting motor for cooling the microwave oven and a cut-off ring combined in the rotary shaft of the starting motor next to the front end surface of the cooling fan. In the invention, the cut-off ring and the propelling nut are combined in the rotary shaft of the starting motor to support the top and bottom parts of the cooling fan separately.
Description
Technical field
The invention relates to the invention of radiator fan, particularly for the radiator fan that prevents to be provided with plumbness in the process that starts, break away from from actuating motor, and the disengaging of the radiating fan of microwave oven of design prevents structure.
Background technology
In general, in the start-up course of micro-wave oven, at the inner steam that produces the high temperature that from food, volatilizees of cooking room.If this steam can not in time exclude, and remain in the words of cooking room inside always, produce stink or allow bacterial reproduction in cooking room inside easily, when causing cooking room inside not keep clean, this peculiar smell just permeates the inside of the food of the cooking afterwards, has reduced taste of food.
And, in electric control chamber, also being provided with and producing high-frequency magnetron and apply high-tension high-tension transformer to magnetron, this magnetron and high-tension transformer are producing very high heat in gastronomical process.This magnetron and high-tension transformer rise to high temperature to the internal temperature of electric control chamber, bring bad influence for the electrical installation that is arranged on electric control chamber inside.
Therefore, possessing heat abstractor in the existing micro-wave oven in addition, this heat abstractor sucks after the extraneous air, makes it to circulate in cooking room inside, cooling electric control chamber when from then on removing moisture.
As shown in Figure 1, existing heat abstractor 1 is to possess with lower member to form, that is, radiator fan 10, it is to electric control chamber 1 internal feed extraneous air; Actuating motor 20, it is used for starting radiator fan 10; Delivery outlet 1a, it is located at a side of electric control chamber 1 wall, allows the air that is drawn into electric control chamber 10 inside export cooking room 2 to; Outlet 2a, it allows the inner air that outputs to cooking room 2 inside be discharged to the outside.
In order to prevent this phenomenon, in the rotating shaft 21 of radiator fan 10 and actuating motor 20, along rotating shaft 21 direction of rotation of actuating motor 20 and each self-forming of rightabout connecting thread, come in conjunction with radiator fan 10 and actuating motor 20.But, in this case, radiator fan 10 is installed on after the rotating shaft 21 of actuating motor 20, must rotate several times, assembling process is numerous and diverse.
Summary of the invention
The present invention is in order to solve above-mentioned existing in prior technology problem, what its purpose was to provide a kind of radiating fan of microwave oven prevents to break away from structure, with improve radiator fan and actuating motor be connected compactness the time, simplify the assembling process of radiator fan.
To achieve these goals, what technical scheme of the present invention provided a kind of radiating fan of microwave oven prevents to break away from structure, include the actuating motor that is arranged on the electric control chamber top board and be combined in the radiator fan of the electric control chamber of the cooled microwave stove on the actuating motor rotating shaft, wherein: be combined with on the rotating shaft of actuating motor by ring, and be close on the front end face of radiator fan.
The described loop contacts of ending is provided with the link slot of installing by ring with rotating shaft outer peripheral face contact site on the rotating shaft outer peripheral face of actuating motor.
Effect of the present invention is that this radiating fan of microwave oven prevents to break away from the structure, is combined in the rotating shaft of actuating motor the upper and lower of each self-supporting radiator fan by ring and pusher nut.Therefore, come the radiator fan of combination and the connected mode between the actuating motor to compare, improved its intensity with existing powerful mounting means.And the operation in ring and the also easy rotating shaft that is installed on actuating motor of pusher nut of the present invention is compared in conjunction with the mode of rotating shaft and radiator fan with existing mode with the screw thread combination, is more convenient for the assembling process of radiator fan.
Description of drawings
Fig. 1 be in the existing micro-wave oven radiator fan state diagram is set;
Fig. 2 is arranged on radiator fan in the existing micro-wave oven and the bonding state between the actuating motor;
Fig. 3 is that radiator fan is arranged on state diagram in the actuating motor in the micro-wave oven of the present invention;
Fig. 4 is the front elevation and the side view of the pusher nut of the present invention;
Fig. 5 of the present inventionly is incorporated into the profile of actuating motor rotating shaft state by ring and pusher nut.
Among the figure:
10: radiator fan 20: actuating motor
21: rotating shaft 21a: link slot
30: by encircling 40: pusher nut
The specific embodiment
Describe the present invention more in detail according to drawings and Examples below.
Therefore, when describing embodiments of the invention in detail, use identical symbol for identical formation structure with reference to accompanying drawing, and, improve its definition, unduplicated different part mainly is described.
Radiator fan among the present invention is the electric control chamber for the cooled microwave stove, and be set in parallel in the top board of electric control chamber to the inner supply extraneous air easily of electric control chamber, therefore, radiator fan is under the effect of deadweight, is in the direction that breaks away from from the rotating shaft of actuating motor all the time.
As shown in Figure 3, prevent that according to radiating fan of microwave oven of the present invention breaking away from structure is to comprise by ring 30 and pusher nut 40 and constituting, they are installed on the rotating shaft 21 of actuating motor 20 separately in order to support the upper and lower of radiator fan 10.
By ring 30 is that radiator fan 10 is inserted in rotating shaft 21 connection before of actuating motor 20, thisly form by elastic material by ring 30, therefore have certain elastic force, be stuck in the outer peripheral face that is close to rotating shaft 21 in the outer peripheral face of rotating shaft 21 simultaneously.And this formation with " C " word shape by ring 30 is best, like this, can snap in into easily from the outside of rotating shaft 21.
If be provided with as above-mentioned structure form by the ring 30, just end in the front end of radiator fan 10 by ring 30, that is, end in the front end that inserts the radiator fan 10 of coming in from the rotating shaft 21 of actuating motor 20, restriction radiator fan 10 enters more than the certain distance to rotating shaft 21.Therefore, radiator fan 10 is fixed on certain position always.
With in the outer peripheral face of the rotating shaft 21 that encircles 30 actuating motors that contact 20, be preferably formed as link slot 21a, that is, be used for installing link slot 21a by ring 30.So be provided with, make by ring 30 and just can not move in the inside of link slot 21a, then more stable is fixed in the rotating shaft 21.
As shown in Figure 4, the central authorities of pusher nut 40 also are provided with the central groove that is used for by rotating shaft 21.Also possessing the ring-like portion of being close to 41 in the inboard of this central groove, this portion 41 of being close to forms along central groove, and in the insertion process of rotating shaft 21, the outer peripheral face of elasticity supporting rotating shaft 21.
Being close to portion 41 is directions of passing through towards rotating shaft 21, and the shape that internal diameter is progressively narrow forms, that is, the internal diameter of its end is narrower and small than the external diameter of rotating shaft 21.In being close to portion 41, the direction of passing through along rotating shaft 21, a plurality of cut 41a have been formed, this cut 41a snaps in the process of rotating shaft 21 at pusher nut 40, when stretching down than the effect of the rotating shaft 21 of being close to portion's 41 bigger external diameters, under the effect of elastic force of self, tightly be attached to the outer peripheral face of rotating shaft 21.
As shown in Figure 5, the pusher nut 40 that forms as above-mentioned structure is, in order to prevent that under the effect of ring 30 radiator fan 10 that restriction is entered can not break away to fall from rotating shaft 21, from the end of the rotating shaft 21 of actuating motor 20, be close to the bottom of filling in radiator fan 10.
The identical direction of direction that the portion of being close to 41 of above-mentioned pusher nut 40 passes through because of its fore-end and rotating shaft 21 forms, so effectively support radiator fan 10, promptly, radiator fan 10 is the effects that are subjected to himself gravity in the opposite direction of the side that enters with rotating shaft 21, therefore, in order to prevent that radiator fan 10 can not break away from, and is supported by pusher nut 40 from rotating shaft 21.
And the bottom of radiator fan 10 is to be pushed into the formula nut to support that therefore, though the electric control chamber temperature inside rises, radiator fan 10 can not break away from from rotating shaft 21.
The present invention illustrates and illustrates according to certain embodiments, but is not limited to this, transformation that can be various and change structure of the present invention, and this also is must be included among the patent claim of the present invention.
Claims (2)
1, a kind of radiating fan of microwave oven prevent to break away from structure, include the actuating motor that is arranged on the electric control chamber top board and be combined in the radiator fan of the electric control chamber of the cooled microwave stove on the actuating motor rotating shaft, it is characterized in that:
Be combined with on the rotating shaft (21) of actuating motor (20) by ring (30), and be close on the front end face of radiator fan (10).
2, radiating fan of microwave oven according to claim 1 prevents to break away from structure, it is characterized in that: described by encircling (30) contact on rotating shaft (21) outer peripheral face of actuating motor (20), be provided with the link slot of installing by ring (30) (21a) with rotating shaft (21) outer peripheral face contact site.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100729130A CN100516542C (en) | 2004-11-26 | 2004-11-26 | Release preventing structure for radiating fan of microwave oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100729130A CN100516542C (en) | 2004-11-26 | 2004-11-26 | Release preventing structure for radiating fan of microwave oven |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1779354A true CN1779354A (en) | 2006-05-31 |
| CN100516542C CN100516542C (en) | 2009-07-22 |
Family
ID=36769770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100729130A Expired - Fee Related CN100516542C (en) | 2004-11-26 | 2004-11-26 | Release preventing structure for radiating fan of microwave oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100516542C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105730796A (en) * | 2016-04-06 | 2016-07-06 | 华国洋 | Heat dissipation rotary fan for packing machine |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7511547A (en) * | 1974-10-02 | 1976-04-06 | Licentia Gmbh | HOT AIR BLOWER. |
| CN2476671Y (en) * | 2001-04-12 | 2002-02-13 | 张胜利 | Small fan |
| CN2591287Y (en) * | 2002-12-30 | 2003-12-10 | 林申友 | Micro fan with improved shaft structure |
| KR100896263B1 (en) * | 2003-01-03 | 2009-05-08 | 삼성전자주식회사 | Fan Motor and Microwave Oven Having the Fan Motor |
-
2004
- 2004-11-26 CN CNB2004100729130A patent/CN100516542C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105730796A (en) * | 2016-04-06 | 2016-07-06 | 华国洋 | Heat dissipation rotary fan for packing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100516542C (en) | 2009-07-22 |
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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: 20090722 Termination date: 20111126 |