CN100412448C - Structure for braking door of microwave oven - Google Patents
Structure for braking door of microwave oven Download PDFInfo
- Publication number
- CN100412448C CN100412448C CNB2003101075384A CN200310107538A CN100412448C CN 100412448 C CN100412448 C CN 100412448C CN B2003101075384 A CNB2003101075384 A CN B2003101075384A CN 200310107538 A CN200310107538 A CN 200310107538A CN 100412448 C CN100412448 C CN 100412448C
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- door
- brake
- oven door
- support plate
- rotational support
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Abstract
The present invention discloses a braking structure for an oven door of a microwave oven, which belongs to the oven door of the microwave oven. The braking structure comprises an oven door brake and a supporting plate brake, wherein the oven door brake has one side provided with a rotating shaft projected on one side corner of the oven door; the oven door brake has the function that the oven door can stop at a certain angle at the time to be closed again under reaction force at an open time; the supporting plate brake is provided with an insertion groove used to be inserted with the rotating shaft; the supporting plate brake is arranged on a rotating supporting plate used for stopping the oven door correspondingly to the oven door brake; the oven door brake is formed by downwards projected, and the supporting plate brake is formed by projected on the upper part of the rotating supporting plate; or, the oven door brake is formed by downwards projected, and the supporting plate brake is formed by sagged on the upper part of the rotating supporting plate; or, the oven door brake is formed by downwards raised concave, and the supporting plate brake is formed by raised on the upper surface of the rotating supporting plate. Thus, users are prevented from being contused because of closing operation of the oven door, and the users are also prevented from being scalded by contacting with the heated inner side surface of the oven door.
Description
Technical field
The invention relates to the door of micro-wave oven, especially prevent to close again under the reaction force of door when open of micro-wave oven, can prevent from thus to wound or scald user's brake structure of microwave oven door.
Background technology
Micro-wave oven is that electric energy is a drive source, generates microwave and arranges or append the electronics cooking machinery that uses heater to arrange.
In addition, also be fit to cooking and directly utilize material to make the cooking thing, perhaps can simply heat the machinery of edible cooking thing as meat product etc.
An embodiment of general micro-wave oven is described with reference to Fig. 1.As shown in Figure 1, micro-wave oven comprises the outward appearance housing (A) that constitutes shell, in the inboard cooking space that forms of outward appearance housing (A) is cooking room (10), the electricity storage chamber (20) of the various parts that need when the inner opposite side of outward appearance housing (A) forms and be provided with the driving micro-wave oven.
The inside of cooking room (10) is provided with rotating disk (12), rotates its inner food.And, electricity storage chamber (20) lining is provided with the magnetron (22) that produces microwave, the microwave that magnetron (22) is produced is directed to the waveguide (24) in the cooking room, needed high-tension electricity when magnetron (220) drives, and high-tension electricity produces high-tension transformer (26) and high-voltage capacitor (28) that the back is supplied with.And in order to cool off magnetron (22), high-tension transformer (26), high-voltage capacitor electronic devices and components such as (28) and to discharge indoor steam, electricity storage chamber (20) lining also is provided with cooling fan (29).
The side of electricity storage chamber (20) is provided with the door (30) that optionally opens and closes cooking room (10).The inlet of door (30) sealing cooking rooms (10) plays preventing that harmful microwave etc. is discharged into the outside effect of cooking room (10).In addition, if end of cooking is opened door by user's operation, can take out the cooking thing thus.
Shown in the expanded view of significant points among Fig. 1, the turning cylinder (31) of door (30) is combined on the rotational support plate (H1) of micro-wave oven body, thus shutter door (30) optionally.Turning cylinder (31) forms drum on door (30) upper and lower end angle corresponding with cooking room (10) one side ends.
The rotational support plate (H1) that combines with turning cylinder (31) prolongs in the top and the bottom of the place ahead of micro-wave oven angle of the flank and protrudes.In order to support door (30), rotational support plate (H1) forms and the corresponding area of door (30) thickness, and possesses the insertion groove (H2) that turning cylinder (31) inserts.
Because turning cylinder (31) is inserted in insertion groove (H2) lining of rotational support plate (H1), door (30) can be combined on the micro-wave oven rotationally.
But, following problem takes place when opening and closing as the door (30) of above-mentioned formation.
Smoothness when door (30) is opened and closed, rotational support plate (H1) upper side that contact with door (30) bottom make smoothly, therefore, do not have frictional force between them.Because door (30) lower end and rotational support plate (H1) possess said structure, when opening door (30) energetically, wide-open door (30) is closed to cooking room (10) again.That is, the side of door (30) with possess the side impact of rotational support plate (H1), and produce impulsive force, therefore door (30) produce will state moves before opening again reaction force.
When opening door and take out food after (30), door (30) rebounds under the effect of reaction force, therefore, and the phenomenon of the collision user ancon that happens occasionally.
Because door (30) is made of iron plate or glass, if collision user's ancon, it is injured to cause the user.
In addition, because the cooking time is long, cooking room (10) temperature inside rises, and when perhaps microwave and heater turned round simultaneously, cooking room (10) temperature inside rose.At this moment, door (30) glass that connects with cooking room (10) also is the condition of high temperature.The door of high temperature (30) rebounds under reaction force and collides in the user, may wound or scalds the user.
Summary of the invention
The present invention invents in order to address the above problem, and the brake structure of microwave oven door that provides the door that can prevent to open energetically to rebound under reaction force is provided.
In order to achieve the above object, brake structure of microwave oven door of the present invention, comprise possessing the insertion groove that has turning cylinder to insert, it is arranged on a side of protruding turning cylinder on door one side angle, makes the door of closing again stop at door arrester on the certain angle under the reaction force when opening the door; Be arranged on the rotational support plate correspondingly, make the gripper shoe brake that stops of door with door arrester.
Described brake structure, its door arrester protrude to the bottom and form, and the gripper shoe brake protrudes formation in the upper side of rotational support plate.
Described brake structure, its door arrester protrude to the bottom and form, and the gripper shoe brake is recessed to form in the upper side of rotational support plate.
Described brake structure, it is recessed to form to the bottom in door arrester, and the gripper shoe brake protrudes formation in the upper side of rotational support plate.
A kind of brake structure of microwave oven door comprises possessing the insertion groove that has turning cylinder to insert, and the sidepiece that it is arranged on the turning cylinder that protrudes on door one side angle makes the door of closing again stop at door arrester on the certain angle under the reaction force when opening the door; Reach with door arrester and contact and mobile rotational support plate.
Described brake structure, its door arrester protrude to the bottom and form.
A kind of brake structure of microwave oven door, it protrudes the door that forms turning cylinder up and down at a side angle; Be provided with and contact with student end and reduce the rotational support plate of the gripper shoe brake of closing speed.
Described brake structure, its gripper shoe brake protrude in the upper side of rotational support plate and form.
According to the invention described above, turning cylinder one side lower end at door possesses door arrester, and on the rotational support plate corresponding, possesses the gripper shoe brake with door arrester, can prevent that thus door from closing under the reaction force of open power, rest on the certain angle in the time of making bounce-back, thereby can prevent that the user from closing running because of door and wounding.In addition, can also prevent owing to the user contact heating the door medial surface scald.
Description of drawings
Fig. 1 is the decomposition texture schematic diagram of micro-wave oven in the past.
Fig. 2 is a part of structural representation of one embodiment of the invention.
Fig. 3 is a part of structural representation of another embodiment of the present invention.
Fig. 4 is a part of structural representation of another embodiment of the present invention.
Fig. 5 is a part of structural representation of another embodiment of the present invention.
Fig. 6 is a part of structural representation of another embodiment of the present invention.
Explanation for figure major part symbol:
100: door 110: rotational support plate
111: insertion groove 200: turning cylinder
M: gripper shoe brake W: door arrester.
The specific embodiment
Describe the present invention below in conjunction with drawings and Examples.
With reference to Fig. 2 to Fig. 6, an embodiment attaches most importance to and describes technical scheme of the present invention in detail.
Fig. 2 is an embodiment of brake structure, and the place ahead that is shown in micro-wave oven is protruded the rotational support plate (110) that forms and is combined in the part that rotational support plate (110) is gone up the door (100) that can rotate.
Rotational support plate (110) respectively possesses one in the top and the bottom of the place ahead of micro-wave oven one side angle, and forwards protrudes.For rotational support plate (110) can be combined rotationally with door (100), rotational support plate (110) possesses the insertion groove (111) that connects its side end is arranged.In addition, a side of contiguous insertion groove (111) possesses gripper shoe brake (M) is arranged, and prevents to bounce after door (100) from opening to close again.Gripper shoe brake (M) can not connect rotational support plate (110) fully, but forms from the circular depressed that faces down of rotational support plate (110).
On the angle, top and the bottom of the door (100) that contacts with rotational support plate (110), possesses the turning cylinder (200) that combines with insertion groove (111).Turning cylinder (200), central shaft when door (100) opens and closes, and cylindric corresponding of formation with circular insertion groove (111).In addition, break away from away in order to prevent the turning cylinder (200) that insert insertion groove (111) lining, the length of turning cylinder (200) should be greater than the thickness of rotational support plate (110).
Turning cylinder (200) side-lower of door (100) possesses the door arrester (W) of downward protrusion.Door arrester (W) is corresponding with the size and the shape of gripper shoe brake (M), therefore can be inserted into gripper shoe brake (M) inside.That is, in order to be inserted into gripper shoe brake (M) lining of circular depressed, door arrester (W) should be circular and protrudes.
The lower terminal end of door arrester (W) is top lower than rotational support plate (110), and door arrester (W) hangs on the gripper shoe brake (M), and therefore the door of opening (100) can not closed automatically.That is, when closing door (100), apply the power that door arrester (W) is risen above rotational support plate (110).
Below explanation is as the switching running of the door (100) of above-mentioned formation.If the user opens the door (100) of micro-wave oven, door (100) is opened under the effect of power fully.In addition, door (100) under the reaction of the power of opening the door, produces to get back to again open the door before the power of state, but according to the size of reaction force, 2 kinds of situations of (100) appearance.
At first, the power of opening door (100) is little, thereby reaction force is little the time, and there is the power that will rebound after opening fully in door (100) though go up,, door arrester (W) can not rise to rotational support plate (110) above.At this moment, door arrester (W) hangs over the end of rotational support plate (110), and door (100) can not rotate again, therefore the state that keeps door (100) to open.
The power of opening door (100) is big the time, and the reaction force of door (100) is big, and door arrester (W) rises to the top of rotational support plate (110).In addition, door arrester (W) moves gently along rotational support plate (110), is inserted into gripper shoe brake (M) lining then, and door (100) can not rotate again, and therefore door (100) stays open.
When closing door (100) again, the user applies power, and door arrester (W) is spun off from gripper shoe brake (M), continues then to rotate to the direction of closing.
Fig. 3 is an alternative embodiment of the invention, and face and gripper shoe brake (M) that diagram door arrester (W) forms depression form the shape of protruding to top.
Turning cylinder (200) side-lower of door arrester (W) in door (100) forms the face to upper recess.Concave face should form circle as the gripper shoe brake (M) of embodiment.
In addition, gripper shoe brake (M) formation protruding upward on rotational support plate (110).That is, gripper shoe brake (M) protrudes with semi-spherical shape with size is corresponding with the shape of door arrester (W).
Possesses the switching work of the door (100) of said structure, as following.According to the power of state before opening the door by will rebounding to of opening that running produces, i.e. the size of reaction force, 2 kinds of situations of door (100) appearance.
At first, because the power of opening the door is little, when reaction force was little, door (100) was raised to the top of rotational support plate (110), but can not rises to gripper shoe brake (M) top opening fully under the effect of back at reaction force.Therefore door (100) can not rotate the state that keeps it to open again.
In addition, the power of opening door (100) is big the time, and the reaction force of door (100) is big, thereby door arrester (W) rises to the top of rotational support plate (110), and door arrester (W) is inserted into gripper shoe brake (M) lining.Therefore door (100) keeps closing state again.
When closing door (100) again, the user applies power, and door arrester (W) after gripper shoe brake (M) spins off, is continued to rotate to the direction of closing.
Fig. 4 is diagram another embodiment of the present invention, and diagram door arrester (W) and gripper shoe brake (M) form the shape of all protruding.
Door arrester (W) protrudes downwards at the side-lower of the turning cylinder (200) of door (100).In addition, gripper shoe brake (M) on rotational support plate (110) top convex come out.
Possesses the switching work of the door (100) of said structure, as following.According to the running of opening the door of present embodiment, have nothing to do with the size of wanting involution to the power of the preceding state that opens the door, door (100) stops at the state of opening.
Door (100) is though rebound under the effect of reaction force, because the collision of the lug boss of the lug boss of door arrester (W) and gripper shoe brake (M), door (100) can not be closed the state that keeps it to open again thus.
When closing door (100) again, because the user applies power, door arrester (W) rises along gripper shoe brake (M), continues afterwards to move to the direction of closing and cross gripper shoe brake (M).
Fig. 5 is another embodiment of the present invention, the shape that diagram has only door arrester (W) to protrude.Door arrester (W) protrudes downwards at turning cylinder (200) side-lower of door (100).
Possesses the switching work of the door (100) of said structure, as following.According to the power of wanting involution state before open the door that produces by the running of opening the door, i.e. the size of reaction force, 2 kinds of situations of (100) appearance.
At first, the power of opening door (100) is little, and when reaction force was little, door (100) was being opened the power that involution is wanted in the back generation fully, and still, door arrester (W) can not rise to the top of rotational support plate (110).At this moment, door arrester (W) hangs over the end of rotational support plate (110), and therefore door (100) can not rotate the state that keeps it to open again.
In addition, the power of opening door (100) is big the time, and the reaction force of door (100) is also big, thereby door arrester (W) rises to the top of rotational support plate (110).And after moving a certain distance, the door arrester (W) that rotational support plate (110) moves stops.Therefore door (100) can not be closed again, keeps its opened state.
In addition, when closing door (100) again, the user applies power, and door arrester (W) is continued to move to the direction of closing after gripper shoe brake (M) spins off.
Fig. 6 is another embodiment of the present invention, illustrates and whether possess door arrester to have nothing to do the shape of having only gripper shoe brake (M) to protrude to top.Gripper shoe brake (M) protrudes to upper hemispherical shaped on rotational support plate (110).
Possesses the switching work of the door (100) of said structure, as following.Want the size of involution to the power of the preceding state that opens the door, 2 kinds of situations of (100) appearance according to what produces by the running of opening the door.
At first, the power of opening door (100) is little, thereby reaction force is little the time, and door (100) is opened the back rises to rotational support plate (110) under the effect of the power of wanting involution top fully, but can not rise to gripper shoe brake (M) top.Therefore door (100) can not rotate the state that keeps it to open again.
In addition, the power of opening door (100) is big the time, because reaction force is big, the power of wanting involution of door (100) is big, thereby door (100) rises to behind gripper shoe brake (M) top and moves, but owing to have frictional force between door (100) and the gripper shoe brake (M), door (100) can not be closed again, therefore keeps its open mode.
In addition, close door again (100) time, the user applies power, continues to the direction rotation of closing after door (100) is spun off from the convex gripper shoe brake (M) that comes out.
Here, gripper shoe brake (M) can possess a plurality of.And according to the weight of door (100), the reaction force difference that produces by the power of opening door, and decide the quantity of gripper shoe brake (M) according to these reaction forces.
Claims (4)
1. brake structure of microwave oven door comprises possessing the insertion groove that has turning cylinder to insert, and is arranged on to make the door of closing again stop at door arrester on the certain angle under a side of protruding turning cylinder on door one side angle, the reaction force when opening the door; Be arranged on the rotational support plate correspondingly, make the gripper shoe brake that stops of door, it is characterized in that door arrester protrudes to the bottom to form, and the gripper shoe brake is recessed to form in the upper side of rotational support plate with door arrester.
2. brake structure according to claim 1 is characterized in that door arrester is recessed to form to the bottom, and the gripper shoe brake protrudes formation in the upper side of rotational support plate.
3. brake structure of microwave oven door comprises possessing the insertion groove that has turning cylinder to insert, and is arranged on to make the door of closing again stop at door arrester on the certain angle under the sidepiece, the reaction force when opening the door of the turning cylinder that protrudes on door one side angle; And contact with door arrester and the rotational support plate that moves, it is characterized in that door arrester is to bottom protrusion formation.
4. brake structure of microwave oven door is protruded the formation turning cylinder up and down at a side angle of door; Be provided with and contact with student end and reduce the rotational support plate of the gripper shoe brake of closing speed, it is characterized in that the gripper shoe brake protrudes in the upper side of rotational support plate to form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101075384A CN100412448C (en) | 2003-12-12 | 2003-12-12 | Structure for braking door of microwave oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101075384A CN100412448C (en) | 2003-12-12 | 2003-12-12 | Structure for braking door of microwave oven |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1626907A CN1626907A (en) | 2005-06-15 |
| CN100412448C true CN100412448C (en) | 2008-08-20 |
Family
ID=34758308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003101075384A Expired - Fee Related CN100412448C (en) | 2003-12-12 | 2003-12-12 | Structure for braking door of microwave oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100412448C (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60200028A (en) * | 1984-03-22 | 1985-10-09 | Matsushita Electric Ind Co Ltd | Microwave oven |
| JPS63153332A (en) * | 1986-12-18 | 1988-06-25 | Matsushita Electric Ind Co Ltd | Cooking appliance |
| JP2003106539A (en) * | 2001-09-28 | 2003-04-09 | Matsushita Electric Ind Co Ltd | Heating cooking device |
| CN1105267C (en) * | 1996-08-06 | 2003-04-09 | 三星电子株式会社 | Microwave oven with improved door |
| JP2003176918A (en) * | 2002-10-24 | 2003-06-27 | Sharp Corp | Door hinge structure |
-
2003
- 2003-12-12 CN CNB2003101075384A patent/CN100412448C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60200028A (en) * | 1984-03-22 | 1985-10-09 | Matsushita Electric Ind Co Ltd | Microwave oven |
| JPS63153332A (en) * | 1986-12-18 | 1988-06-25 | Matsushita Electric Ind Co Ltd | Cooking appliance |
| CN1105267C (en) * | 1996-08-06 | 2003-04-09 | 三星电子株式会社 | Microwave oven with improved door |
| JP2003106539A (en) * | 2001-09-28 | 2003-04-09 | Matsushita Electric Ind Co Ltd | Heating cooking device |
| JP2003176918A (en) * | 2002-10-24 | 2003-06-27 | Sharp Corp | Door hinge structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1626907A (en) | 2005-06-15 |
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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: 20080820 Termination date: 20100112 |