CN1576713A - Door mounting structure for microwave oven - Google Patents
Door mounting structure for microwave oven Download PDFInfo
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- CN1576713A CN1576713A CN 03130491 CN03130491A CN1576713A CN 1576713 A CN1576713 A CN 1576713A CN 03130491 CN03130491 CN 03130491 CN 03130491 A CN03130491 A CN 03130491A CN 1576713 A CN1576713 A CN 1576713A
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Abstract
The door installing structure for microwave oven can prevent the door from being opened during the operation of the microwave oven. On two sides in the lower back of the door, hinge openings are formed for the back end of the hinged board with front end installed inside the door to pass through. Through holes are formed on two sides in the lower part of the front board for the hinged board to pass through for being fixed inside the front board. The hinged board can connect the door onto the front board and make the door rotatable, and the gap formed between the lower end of the front board and the lower end of the door is made to be greater than the gap formed between their upper ends, so that the upper end of the door under the action of the dead weight can contact the upper end of the front board more closely.
Description
Technical field
The present invention relates to a kind of door mounting structure (A structure of mounting door formicrowave oven) of micro-wave oven, or rather, relate to a kind of door mounting structure that can prevent the micro-wave oven that door is opened in the process of micro-wave oven running.
Background technology
Micro-wave oven is that it possesses the space that the heat that can utilize microwave or heater comes the cooking object---cooking room with the heat of microwave or the heater cooking device as heating source, and cooking room can be opened by door and closed.
Fig. 1 has shown the structure of common microwave stove.As shown in the figure, cavity of microwave oven assembly (cavityassembly) 10 inside have formed the cooking room 12 that the heat that can utilize microwave or heater comes the cooking object, be provided with electric control chamber 14 above the above-mentioned cavity assembly 10, various electronic units such as magnetron, high-tension transformer are equipped with in the inside of above-mentioned electric control chamber 14.
In addition, Fig. 2 has shown the door mounting structure of the micro-wave oven of prior art.As shown in the figure, header board 22 has formed the front of cavity of microwave oven assembly 10 (with reference to Fig. 1), the both sides, lower end of header board 22 have formed through hole 22a respectively, and the hinge plate 26 that will describe below can pass above-mentioned through hole 22a, thereby its rear end can be fixed on the inside of above-mentioned header board 22.
The both sides, upper end of above-mentioned header board 22 have formed a pair of door lock hole 22b.Several switches are equipped with in inside corresponding to the above-mentioned header board 22 at the rear of above-mentioned door lock hole 22b, and these switches produce action under the effect of door lock 24b described later.
In addition, a side of above-mentioned header board 22 is equipped with the door 24 of rotating micro-wave oven.Above-mentioned door 24 is center and being installed in rotationally up and down on the above-mentioned header board 22 with its lower end, makes above-mentioned cooking room 12 (with reference to Fig. 1) realize selectively opening and the effect of closure thereby play.
The front end of the hinge plate 26 that above-mentioned door 24 and header board 22 can be coupled together is installed in the both sides of above-mentioned door 24 inside and can rotates.In addition, the both sides of the lower end, the back side of above-mentioned door 24 have formed a pair of hinge openings 24a that above-mentioned hinge plate 26 is passed.
Above-mentioned hinge plate 26 has a pair of, is fixed at its front end under the state of inside of above-mentioned door 24, and it is terminal rearward gives prominence to by above-mentioned hinge openings 24a.And the rear end of the above-mentioned hinge plate 26 that highlights like this is passed in the above-mentioned through hole 22a that the both sides, lower end of above-mentioned header board 22 form and is fixed in the above-mentioned header board 22.
The upper end of above-mentioned door 24 can be that rotate up and down at the center with the lower end of door that above-mentioned hinge plate 26 is housed, and its back side can be close to the front of above-mentioned header board 22, thereby door can be closed above-mentioned cooking room 12.
In addition, the both sides, upper end of above-mentioned 24 inside are equipped with rearwardly projecting door lock 24b respectively.If as top said, the back side of above-mentioned door 24 is close to the front of above-mentioned header board 22, thereby above-mentioned cooking room 12 is closed, and so above-mentioned door lock 24b will insert in the door lock hole 22b of above-mentioned header board 22, thereby above-mentioned door 24 can not be opened arbitrarily.
Can make above-mentioned switch connection (on) when in addition, above-mentioned door lock 24b inserts in the above-mentioned door lock hole 22b.And along with the connection of above-mentioned switch, micro-wave oven can begin to drive, thereby realizes cooking the heating of object at the inner utilization microwave of above-mentioned cooking room 12.
But, have said structure the employing prior art micro-wave oven the door mounting structure have following problem.
As mentioned above, the lower end of above-mentioned door 24 is fixed on the above-mentioned header board 22 by above-mentioned hinge plate 26 and is close to thereon, and the upper end of above-mentioned door 24 is close to the upper end, front of above-mentioned header board 22 by being inserted into above-mentioned door lock 24b in the above-mentioned door lock hole 22b.
But the structure of above-mentioned door lock 24b is: if with the pulling forwards of above-mentioned door 24, it will spin off in above-mentioned door lock hole 22b so.Therefore, under above-mentioned door 24 states that above-mentioned cooking room 12 is closed, the lower end of above-mentioned door 24 is attached on the above-mentioned header board 22 more firmly than the upper end.
In addition, if there is cooking action to carry out in the above-mentioned cooking room 12, be heated owing to above-mentioned cooking room 12 inside so, so air can expand.The air effect of above-mentioned cooking room 12 inner this expansions can become the external force that door is outwards promoted on above-mentioned door 24.So, can produce trickle slit between the upper end of relative more weak above-mentioned door 24 and the front of above-mentioned header board 22, thereby above-mentioned 24 phenomenons that are opened take place easily with the contact between the above-mentioned header board 22.
And if as top said, above-mentioned door 24 is opened, thereby above-mentioned door lock 24b is spun off in above-mentioned door lock hole 22b, so under the effect of above-mentioned door lock 24b and connect the switch that (on) and to disconnect (off), thereby make micro-wave oven stop action, and then the cooking of carrying out in the above-mentioned cooking room 12 is interrupted.Existing in prior technology problem that Here it is.
Summary of the invention
The present invention designs in order to solve aforesaid existing in prior technology problem, the object of the present invention is to provide a kind of door mounting structure, that is: can prevent that an expansion because of the cooking room inner air is opened in the process of micro-wave oven running with micro-wave oven of following characteristics.
To achieve these goals, the present invention includes with lower member and constitute, it is characterized in that, comprise with lower member: the cavity assembly, its inside has formed cooking room, and header board has formed the front of cavity; Door, its upper end can be the front that the center is installed in above-mentioned header board up and down rotationally with the lower end, can make the cooking room of above-mentioned micro-wave oven realize opening and closure; A pair of hinge plate can be connected above-mentioned door on the above-mentioned header board and door can be rotated, and it can make the slit that forms between the slit that forms between the lower end, the back side of the lower front face of above-mentioned header board and above-mentioned door compares upper end at both greatly.
The door mounting structure of aforesaid micro-wave oven of the present invention can play following effect, that is: can make the slit that produces between the lower front face of the lower end at the back side of above-mentioned door and above-mentioned header board bigger than the slit that produces between the upper end at both.Be closed by above-mentioned door and cooking object arranged in the cooking room that is closed like this under the heated situation at above-mentioned cooking room, the air of above-mentioned cooking room inside expands, and this effect produces the power that door is pushed away forward, thereby the upper end, the back side of above-mentioned door is left slightly from the upper end, front of above-mentioned header board.In these cases, structure of the present invention can prevent above-mentioned door unlatching.In addition, the present invention can also prevent following phenomenon, promptly under the effect of the door lock of above-mentioned door and connect the switch that (on) and disconnect (off), thus the phenomenon that makes micro-wave oven stop to move.
Description of drawings
Fig. 1 is the decomposition side view of the primary structure of common microwave stove;
Fig. 2 is the profile of the door mounting structure of the micro-wave oven of employing prior art;
Fig. 3 and Fig. 4 are the profile of the desirable embodiment of the door mounting structure of employing micro-wave oven of the present invention.
The critical piece description of reference numerals
42: header board (plate) 42a: through hole
42b: door lock hole (latch slot) 44: door
44a: hinge openings (hinge slit) 44b: door lock (latch)
46: hinge plate (hinge plate) a: the door center line
V: vertical line f: header board datum line
The specific embodiment
With reference to the accompanying drawings a desirable embodiment of the present invention is described in detail.
Fig. 3 and Fig. 4 have shown a desirable embodiment of the door mounting structure that adopts micro-wave oven of the present invention.As shown in the figure, header board 42 has formed the front of cavity of microwave oven assembly, has formed a pair of through hole 42a in the both sides, lower end of above-mentioned header board 42.The both sides, upper end of above-mentioned header board 42 have formed a pair of door lock hole 42b, corresponding to the inside of the above-mentioned header board 42 at the rear of above-mentioned door lock hole 42b door lock plate (latchboard) are housed, and on this door lock plate several switches are housed.
In addition, the door 44 of micro-wave oven is equipped with in the front of above-mentioned header board 42.Realize selectively opening and closure for the cooking room 12 (with reference to Fig. 1) that can make micro-wave oven, the upper end of above-mentioned door 24 can be that the center is installed in up and down on the above-mentioned header board 22 rotationally with the lower end of door.
The front end of a pair of hinge plate 46 is installed in the both sides, lower end of above-mentioned door 44 inside respectively and can rotates.Formed a pair of hinge in the both sides, lower end at above-mentioned door 44 back sides and opened 44a, front end is installed in the rear end of the above-mentioned hinge plate 46 of door 44 inside can pass above-mentioned hinge openings 44a.
The effect of above-mentioned hinge plate 46 is: it can make above-mentioned door 44 be installed on the above-mentioned header board 42 and can rotate, and its rear end can be passed the through hole 42a of above-mentioned header board 42 again after passing above-mentioned hinge openings 44a.And the rear end of having passed the above-mentioned hinge plate 46 of above-mentioned through hole 42a like this can be fixed on the inside of above-mentioned header board 42.
Owing to have above-mentioned hinge plate 46 front ends to be installed in wherein in the lower end of above-mentioned door 44, therefore the upper end of above-mentioned door 44 can be that rotate up and down at the center with the lower end.Above-mentioned door 44 is by such rotation, can make its back side be close to the front of above-mentioned header board 42, thereby above-mentioned door can make above-mentioned cooking room 12 realize unlatching and closure selectively.
And a pair of door lock 44b is equipped with in the inside of above-mentioned door 44.The rear end of above-mentioned door lock 44b is outstanding backward from the both sides, upper end of above-mentioned door 44.If as top said, the back side of above-mentioned door 44 is close to the front of above-mentioned header board 42, thereby above-mentioned cooking room 42 is closed, and so above-mentioned door lock 44b will be inserted in the door lock hole 42b that the both sides, top of above-mentioned header board 42 form.
Above-mentioned hinge plate 46 can play following effect when being installed in above-mentioned door 44 on the above-mentioned header board 42, that is: can make the slit that forms between the slit (gap) that forms between the lower end, the back side of the lower front face of above-mentioned header board 42 and above-mentioned door 44 compares upper end at both greatly.Therefore above-mentioned door 44 is under the effect of deadweight, and its upper end, back side can more closely be attached to the front of above-mentioned header board 42.
In other words, the slit that forms in the upper end is big because the slit that above-mentioned door 44 forms between lower end and above-mentioned header board 42 compares, therefore above-mentioned door 44 is under the effect of deadweight, the upper end of above-mentioned door 44 can be pushed to above-mentioned header board 42, and the lower end of above-mentioned door 44 then can be pushed to the place ahead of above-mentioned header board 42.
So, after above-mentioned door lock 42b inserts in the door lock hole 44b, above-mentioned door 44 can be close on the above-mentioned header board 42, and above-mentioned door 44 is under the effect of deadweight, its upper end can be pushed to above-mentioned header board 42, and therefore upper end, the back side of above-mentioned door 44 can more closely stick together with the upper end, front of above-mentioned header board 42.
With reference to the accompanying drawings the door 44 that is installed on the above-mentioned header board 42 is described in detail.A shown in Fig. 4 is the center line of above-mentioned door 44, and v is a vertical line, and f is the datum line of above-mentioned header board 42.As shown in the figure, the center line a of above-mentioned door 44 has been the center according to the clockwise direction deflection of drawing to a certain degree with vertical line v.
The datum line f of above-mentioned header board 42 is parallel with above-mentioned vertical line v.That is to say, the slit that forms between the lower end, the back side of the lower front face of above-mentioned header board 42 and above-mentioned door 44 is big than the slit that forms between the upper end at both, and big degree is equivalent to the departure between the datum line of above-mentioned vertical line v and above-mentioned 's 44 center line and above-mentioned header board 42.
For can be as top said, the slit that above-mentioned door 44 is formed between lower end and above-mentioned header board 42 compares big in the slit of upper end formation, in the embodiment shown in the figures, the length of above-mentioned hinge plate 46 has been increased.Promptly compared with the existing, the length of above-mentioned hinge plate 46 has increased, therefore when being installed to above-mentioned door 44 on the above-mentioned header board 42, can make their lower end produce certain interval, so just can make the slit that between the slit that forms between the lower end of the lower end of above-mentioned door 44 and above-mentioned header board 42 compares upper end at both, forms greatly.
But, the present invention is not limited in the method for the length of the above-mentioned hinge plate 46 of aforesaid increase, for example also can adopt following method, that is: can forwards move a certain distance the inside of the fixed position of the rear end of the hinge plate identical 46 at above-mentioned header board 42 with original length, thereby make after above-mentioned door 44 is installed on the above-mentioned header board 42 its lower end certain angle that can tilt towards the place ahead.
In addition, the slit that forms between the lower front face of above-mentioned 44 lower end, the back side and above-mentioned header board 42 is very small, needs be controlled at it in the scope of the microwave leakage that can not make above-mentioned cooking room 12 inside.
Below with reference to Fig. 3 the effect of the desirable embodiment of the door mounting structure of micro-wave oven of the present invention with said structure is illustrated.
At first will cook object and put into the cooking room 12 (with reference to Fig. 1) of micro-wave oven, and be that rotate to the upper end at the center with above-mentioned 44 with the lower end then, thereby above-mentioned cooking room 12 is closed.Because the back side of above-mentioned door 44 is close to the front of above-mentioned header board 42, thereby door can be closed above-mentioned cooking room 12.
Under the state that above-mentioned cooking room 12 is closed, the rear end of the door lock 44b of above-mentioned door 44 can be inserted in the door lock hole 42b of above-mentioned header board 42.And the above-mentioned door lock 44b that has inserted in the above-mentioned door lock hole 42b can make the switch connection (on) that is installed in 42b back, above-mentioned door lock hole, thereby starts micro-wave oven.
If micro-wave oven begins to drive, the cooking object that is placed on above-mentioned cooking room 12 inside so will be heated, and meanwhile above-mentioned cooking room 12 temperature inside can raise.Along with the increase of above-mentioned cooking room 12 internal temperatures, the air of above-mentioned cooking room 12 inside can expand.
The air effect of above-mentioned cooking room 12 inner this expansions can become the external force that door is outwards promoted on above-mentioned door 44.The lower end that is close to the above-mentioned door 44 of above-mentioned header board 42 lower front face with effect by hinge plate 46 is compared, and the upper end of above-mentioned door 44 might be open greatlyyer relatively.
Here, because the slit that above-mentioned door 44 has just made the slit that forms between its lower end and above-mentioned header board 42 compare when mounted and formed in the upper end is big, therefore under the effect of the deadweight of above-mentioned door 44, the lower end of above-mentioned door 44 can be subjected to thrust forward, and the upper end of above-mentioned door 44 then is subjected to thrust backward.The upper end, the back side of above-mentioned door 44 more closely is attached on the front of above-mentioned header board 42.
If as top said, contacting between the upper end of the upper end of above-mentioned header board 42 and above-mentioned door 44 becomes tightr, so just can prevent that the two expansion because of above-mentioned cooking room 12 inner airs from producing trickle slit.Simultaneously can also prevent following phenomenon, promptly under the effect of above-mentioned door lock 44b, connect the switch disconnection (off) that (on) because of opening slightly of above-mentioned door 44 makes, thus the phenomenon that makes micro-wave oven stop to move.
Can learn that by above-mentioned explanation basic fundamental theory of the present invention is: when the door with micro-wave oven is installed on the header board of micro-wave oven, need make the slit that between the slit that forms between both lower ends compares upper end at both, forms big.
In the category of aforesaid basic fundamental theory of the present invention, might make various deformation for those personnel that grasped the rudimentary knowledge of this area handles, for interest field of the present invention, needing the scope with patent application is that the basis makes an explanation.
In the embodiment shown in the figures, do from center to the distance of the front end of hinge plate of above-mentioned hinge protrusions compare from the center of above-mentioned hinge openings big to the distance at the back side of above-mentioned door, therefore can regulate by this method above-mentioned header board with between the slit.But kind method that the present invention is not limited to this.
Claims (3)
1, a kind of door mounting structure of micro-wave oven is characterized in that, comprises with lower member:
The cavity assembly, its inside has formed cooking room, and header board has formed the front of cavity;
Door, its upper end can be the front that the center is installed in above-mentioned header board up and down rotationally with the lower end, can make the cooking room of above-mentioned micro-wave oven realize opening and closure;
A pair of hinge plate can be connected above-mentioned door on the above-mentioned header board and door can be rotated, and it can make the slit that forms between the slit that forms between the lower end, the back side of the lower front face of above-mentioned header board and above-mentioned door compares upper end at both greatly.
2, the door mounting structure of micro-wave oven according to claim 1 is characterized in that:
The rear end of above-mentioned hinge plate is passed in the above-mentioned through hole that the both sides, lower end of above-mentioned header board form and is fixed on above-mentioned header board; The length of above-mentioned hinge plate is increased, when being installed to above-mentioned door on the above-mentioned header board, can make their lower end produce certain interval.
3, the door mounting structure of micro-wave oven according to claim 1 is characterized in that:
The inside of the fixed position of the rear end of hinge plate at above-mentioned header board is forwards moved a certain distance, thereby make after above-mentioned door is installed on the above-mentioned header board, its lower end certain angle that can tilt towards the place ahead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03130491 CN1576713A (en) | 2003-07-29 | 2003-07-29 | Door mounting structure for microwave oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03130491 CN1576713A (en) | 2003-07-29 | 2003-07-29 | Door mounting structure for microwave oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1576713A true CN1576713A (en) | 2005-02-09 |
Family
ID=34578898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03130491 Pending CN1576713A (en) | 2003-07-29 | 2003-07-29 | Door mounting structure for microwave oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1576713A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103717974A (en) * | 2011-08-08 | 2014-04-09 | 夏普株式会社 | Cooking device |
-
2003
- 2003-07-29 CN CN 03130491 patent/CN1576713A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103717974A (en) * | 2011-08-08 | 2014-04-09 | 夏普株式会社 | Cooking device |
| CN103717974B (en) * | 2011-08-08 | 2016-03-30 | 夏普株式会社 | Heating device |
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| WD01 | Invention patent application deemed withdrawn after publication |