CN2898665Y - Down-reversing microwave oven gate - Google Patents
Down-reversing microwave oven gate Download PDFInfo
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- CN2898665Y CN2898665Y CN 200620080699 CN200620080699U CN2898665Y CN 2898665 Y CN2898665 Y CN 2898665Y CN 200620080699 CN200620080699 CN 200620080699 CN 200620080699 U CN200620080699 U CN 200620080699U CN 2898665 Y CN2898665 Y CN 2898665Y
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- opening
- rocking bar
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Abstract
The utility model is a down-reversing microwave oven gate, relating to a microwave oven gate with an automatic down-reversing opening style. The utility model solves the problem of inconvenience in operation caused by a side-open microwave oven gate. An on-off gate is arranged at the front opening of microwave oven cavity. A button with a retaining mechanism crosses through a button hole which is arranged at the upper part of the gate. Top of the button is exposed outside the gate. The retaining mechanism of the button is arranged inside the gate connecting on-off with top of outer wall in the front of the cavity. A rack plate with a rocker mechanism is fixedly installed at the lower part of the outer wall in the front of the cavity. A heel is horizontally arranged at the lower front part of the rack plate and hinged with the front end of the racker. The front end of the rocker is fixedly connected with the lower part inside the gate. A gate-opening extension spring used for pulling the rocker upward is arranged between the back end of the rocker and the rack plate. After the button is pushed and the retaining mechanism is released, the gate-opening extension spring contracts and pulls the rocker up to realize opening of the gate, and then the gate is down-reversing open automatically because of self-weight of the gate.
Description
Technical field
The utility model relates to a kind of door of micro-wave oven, particularly relates to the door for microwave oven that a kind of automatic lower turning type opens the door.
Technical background
General existing micro-wave oven all is the door that a side opening is set at the open front place of microwave oven cavity.At outer side of door outwards outstanding handle is installed, the outer wall that hinge connects the same side of cavity is installed, the outer wall that retaining mechanism connects the cavity respective side opening or closing is installed at another side of door inboard at a side of door inboard.In the time of need opening the door, will press a button with hand earlier and discharge retaining mechanism, outwards the side pulling is shaken hands again, makes door thereupon around hinge axis outside side upset, and it is convenient inadequately to operate.In addition, because handle protrudes in the outside of door,, to do particular processing to the handle place during packing for guaranteeing the safety of transportation.
The utility model content
The utility model aims to provide a kind ofly presses a button with hand, discharge retaining mechanism after, the lower turning type door for microwave oven that can open automatically by own wt.
The technical solution of the utility model is: the lower turning type door for microwave oven, but the open front place of cavity is provided with the door of a folding; The top of door is provided with a button hole, and a button that has retaining mechanism passes button hole, and its button top is exposed to the outside of door; The retaining mechanism of this button is installed in the inboard of door, connects the top of cavity open front place outer wall opening or closing; The frame plate of an endplay device of bottom fixed installation of cavity open front place outer wall, frame plate bottom front end is provided with the door-hinge of level and the leading section of hinged rocking bar, the inboard bottom of the fixedly connected door of the front end of rocking bar, the extension spring of opening the door that upwards lifts rocking bar is connected between the rearward end and frame plate of rocking bar.This is discharged or locking by the button control that has retaining mechanism, after button discharges door, the restoring force of extension spring of opening the door makes the door-hinge swing of rocking bar around the preceding bottom of frame plate, door tilts to the front lower place thereupon, the center of gravity of door begins more and more the door-hinge away from the preceding bottom of frame plate, the own wt of door impels the amplitude of rocking bar swing to strengthen again, an acceleration is opened automatically, until the door down tilt.That is: utilize the restoring force of the extension spring of opening the door that the rocking bar of endplay device is swung, realize opening of door; And then door turns under automatically by the weight of self and opens.Make on the door with hand and to turn over, the rocking bar of endplay device is done counter motion, and the extension spring of opening the door is elongated, and makes it be locked at buckling state by the button that has retaining mechanism when door is translated into the closed position.
A kind of structure that limits open angle is: the middle front part of described frame plate is provided with the spacing dop of a corresponding rocking bar follower head upper side edge; The upper side edge of rocking bar follower head is taken when coming to this spacing dop from the initial position correspondence, and the pendulum angle that rocking bar makes progress is 90 °.
For slow down door when reaching the down tilt position rocking bar to the bump of frame plate: the rear surface of the spacing dop of frame plate is equipped with cushion blocking.
Suggestion between outer wall bottom, described cavity left side and door lower inside left side, between cavity outer right wall bottom and the right both sides of door lower inside, one group of described endplay device of each corresponding installation with open the door extension spring.Make following the stirring of door make more balance.
A kind of structure of endplay device is: described every group of endplay device is double rocker mechanism, wherein, the rearward end of the also hinged last rocking bar that extends forward in rear end, frame plate top, the bottom of the rearward end articulated linkage of rocking bar and the free end of the extension spring of opening the door are connected the bottom of connecting rod; The hinged leading section of going up rocking bar in the upper end of connecting rod; An auxiliary extension spring of opening the door is installed between the rearward end of last rocking bar and the upper end of connecting rod.When the bottom that the extension spring of opening the door lifts connecting rod makes the rocking bar swing, utilize the extension spring of assisting to open the door of the restoring force of the auxiliary extension spring of opening the door that connecting rod is upwards mentioned, promote opening of door.
Particularly: a deceleration extension spring is installed between the postmedian of described every group of double rocker mechanism mid frame plate and the upper end of respective link.The deceleration extension spring is stretched when door quickens to open automatically, slows down the acceleration of door, and rocking bar is to the impact of frame plate when slowing down door and reaching the down tilt position.
The structure of another endplay device is: in described every group of endplay device, a guide groove that extends to door-hinge is arranged at frame plate top, is provided with the upper end of a hinged connecting rod of sliding axle in the guide groove; The bottom of hinged this connecting rod of rearward end of rocking bar and the free end of the extension spring of opening the door are connected the bottom of this connecting rod.Suitably select the to open the door fixed position of extension spring stiff end, the extension spring of opening the door when opening the door is shunk, and the bottom that upwards lifts connecting rod is upwards put forward the rearward end of rocking bar, promotes to open the door; Door reaches the centre position of inclination, and the extension spring of opening the door begins to stretch after being retracted to minimum dimension, just begins to stop the acceleration of door to tilt, and plays the effect of buffering.
Best: that an auxiliary extension spring of opening the door is installed between the top of described frame plate top guide groove and the upper end of connecting rod.When the bottom that the extension spring of opening the door lifts connecting rod makes the rocking bar swing, utilize the extension spring of assisting to open the door of the restoring force of the auxiliary extension spring of opening the door that connecting rod is upwards mentioned, promote opening of door.
A kind of concrete press-button structure that has retaining mechanism is: the described button that has retaining mechanism comprises open the door connecting rod and reset tension spring of the button of a Z-shaped cross section, a V-arrangement cross section; The last flat limit of button is sleeved in the button hole on a top, and the lower end on flat limit is hinged on the hinge seat of the below of side button hole behind the door under the button; The hinge seat on the top, hinged door rear button hole, turning point of the connecting rod that opens the door of V-arrangement cross section, the inner surface on flat limit on the outside contact button of a straight flange of connecting rod opens the door, the open the door free termination of another straight flange of connecting rod extends to form grab to the opening inboard, and this grab is the dop on clamping chamber outer wall top opening or closing; One end of reset tension spring connects the straight flange that the connecting rod that opens the door has grab, and the other end of reset tension spring connects the lower end on flat limit under the button.The outer surface on flat limit on the inside pressing keys, the open the door outside of a straight flange of connecting rod of its inner surface roof pressure, make the hinged axis swing of connecting rod that open the door around the hinge seat on button hole top, the dop that the grab on the free termination of another straight flange of connecting rod of opening the door breaks away from cavity top, and reset tension spring is stretched; Door is in the state of being released.On turn over the pass and discharge the outer surface of pressing flat limit on the button behind the door, its inner surface breaks away from the outside of a straight flange of the connecting rod that opens the door, and the reset tension spring retracted for clearance, make the hinged axle center backswing of connecting rod of opening the door around the hinge seat on button hole top, the open the door dop on the grab clamping cavity top on the free termination of another straight flange of connecting rod, door is in the buckling state that is locked.
Particularly: the back of described grab is the curve smoothing transition.Even people's hand is at the last outer surface that does not contact flat limit on the button at closing time that turns over, when the curve that the grab back of connecting rod of opening the door seamlessly transits touches the dop on cavity top, can make the connecting rod that opens the door around the hinged axis swing of the hinge seat on button hole top, and reset tension spring is stretched; Door is closed fully, and the reset tension spring retracted for clearance makes the connecting rod that opens the door around the jointed shaft backswing of the hinge seat on button hole top, open the door the free termination of another straight flange of connecting rod to the dop on grab clamping cavity top, be in the buckling state that is locked.
The last flat limit of described button is that strip is sleeved in the strip button hole on a top, and flat limit is separated into left and right two parts under the button, and the lower end correspondence of each part is hinged on one of left and right two hinge seats of the below of side button hole behind the door; The connecting rod that opens the door of V-arrangement cross section is separated into left and right two parts that connect by major axis in the turning point, this top, major axis hinged door rear button hole left and right two hinge seats on; The open the door left inner surface on flat limit on the outside contact button of a straight flange of connecting rod left half, the open the door free termination of another straight flange of connecting rod left half extends to form left grab to the opening inboard, and this left side grab is the left dop on outer wall top, clamping cavity left side opening or closing; One end of reset tension spring connects the straight flange that the connecting rod left half that opens the door has left grab, and the other end of reset tension spring connects the lower end of the left half on flat limit under the button; The right side inner surface on flat limit on the outside contact button of a straight flange of connecting rod right half opens the door, the open the door free termination of a straight flange of connecting rod right half extends to form right grab to the opening inboard, and this right side grab is the right dop on clamping cavity outer right wall top opening or closing.Open the door connecting rod from left and right two side clamping cavitys, make release or locking with the button control gate, also balance more.
For the release that makes door or lock more balance: the described connecting rod right half that opens the door has between the lower end of flat limit right half under the straight flange of right grab and the button and is connected to another reset tension spring.
The utility model lower turning type door for microwave oven, release or locking by the button control door that has retaining mechanism, after button discharges door, cooperate to make and tilt by an endplay device and one extension spring of opening the door to the front lower place, the center of gravity of door changes and own wt impels an acceleration to open automatically again, until the door down tilt.Avoided drawing of hand to stir work, operation obtains simplifying.Between outer wall bottom, cavity left side and the door lower inside left side, between cavity outer right wall bottom and the right both sides of door lower inside, each is corresponding installs one group of endplay device and opens the door extension spring, and following stirring that makes made more balance.The mechanism that the pull bar that endplay device adopts double rocker mechanism or rocking bar to add to move along guide groove is formed utilizes the restoring force of the auxiliary extension spring of opening the door to assist to open the door extension spring, promotes opening of door.Use a deceleration extension spring again, quicken to slow down when opening automatically the acceleration of door at door; Reasonable in design, stable working is reliable.Frame plate front middle part limit a dop and cushion blocking, the angle that restriction is opened the door and when reducing to open the door to the impact shock of cavity, prevent the distortion of door, help keeping the sealing of door to cavity.The button that has a retaining mechanism is sleeved in the button hole on a top by the last flat limit of the button of a Z-shaped cross section, and the lower end on flat limit is hinged on the hinge seat of side button hole below behind the door under the button; The hinge seat on the top, hinged door rear button hole, turning point of the connecting rod that opens the door of a V-arrangement cross section, the inner surface on flat limit on the outside contact button of a straight flange of connecting rod opens the door, the open the door free termination of another straight flange of connecting rod extends to form grab to the opening inboard, and this grab is the dop on clamping chamber outer wall top opening or closing; Reset tension spring is connected the connecting rod that opens the door to have between the lower end on flat limit under the straight flange of grab and the button.With the button dop that connecting rod makes the grab on the connecting rod that opens the door break away from chamber outer wall top that promotes to open the door, realize the release of door; Spur the dop that the connecting rod that opens the door makes the grab clamping cavity top on the connecting rod that opens the door with reset tension spring, realize the locking of door; The back of grab adopts the curve that seamlessly transits, and locks more convenient at closing time.Adopt particularly that the button on flat limit is sleeved in the strip button hole on a top on the strip, flat limit is divided into left and right two parts under the button, and the lower end correspondence of each part is hinged on one of left and right two hinge seats of side button hole below behind the door; The connecting rod that opens the door of V-arrangement cross section is separated into left and right two parts that connect by a major axis in the turning point, the connecting rod that opens the door makes the release of door or locks more balance from left and right two side clamping cavitys.The structural design advantages of simple, stable working is reliable.In addition, because the handle of the door of existing micro-wave oven protrudes in the outside of door, for guaranteeing the safety of transportation, the foamed plastic liner will be done particular processing to the handle place during packing, and it is big that the packing casing is also wanted.And that the button of the utility model lower turning type door for microwave oven outside can be made is concordant with the outside of door, and the foamed plastic liner is simple during packing, and packing casing also can be smaller, can save the packed and transported expense.
Description of drawings
Fig. 1 is the structural representation of embodiment door closure state one side of the utility model lower turning type door for microwave oven.
Fig. 2 is the perspective view of Fig. 1 embodiment door top button.
Fig. 3 opens the structural representation of state one side for Fig. 1 embodiment door.
Fig. 4 is the structural representation of one group of rocking bar overhead door of second embodiment of the utility model lower turning type door for microwave oven mechanism.
The specific embodiment
One, embodiment one
The structure of door closure state one side of an embodiment of the utility model lower turning type door for microwave oven, as shown in Figure 1.The open front place of cavity 1 is provided with door 2.The top of door 2 is provided with a button that has retaining mechanism, door 2 clampings is locked together in the outer wall at cavity 1 open front place.Please referring to Fig. 2, the button that has a retaining mechanism comprise open the door connecting rod 4 and two reset tension springs 44,44 that a button with Z-shaped cross section 3, have the V-arrangement cross section '.The left and right sides, bottom, the open front place outer wall of cavity 1 respectively fixedly mounts the frame plate 5 of a double rocker mechanism.Each frame plate 5 bottom front end is provided with the door-hinge 6 of level and the turning point of hinged V-arrangement rocking bar 7; The bottom of a straight flange 71 fixedly connected doors 2 inboards of V-arrangement rocking bar 7, another straight flange 72 of V-arrangement rocking bar 7 extends back, and the extension spring 53 of opening the door that upwards lifts rocking bar 7 straight flanges 72 is connected between the rearward end and frame plate 5 of rocking bar 7 straight flanges 72.Be erected to be installed in door 2 on the rocking bar 7 of two double rocker mechanisms can turn over for 6 times around the door-hinge of the frame plate 5 bottom front end levels of two double rocker mechanisms or on turn over.
The button that has retaining mechanism discharges after the door 2, the restoring force of extension spring 53 of opening the door makes door-hinge 6 swings of rocking bar 7 around frame plate 5 preceding bottoms, door 2 tilts to the front lower place thereupon, door 2 center of gravity begins more and more the door-hinge 6 away from frame plate 5 preceding bottoms, the own wt of door 6 impels the amplitude of rocking bar 7 swings to strengthen again, make door 2 quicken to open automatically, until door 2 down tilts.
With hand door is turned on 2, the rocking bar 7 of two double rocker mechanisms is done counter motion, and the extension spring 53 of opening the door is elongated, and makes it be locked at buckling state by the button that has retaining mechanism when door 2 is translated into the closed position.
Please see Figure 2, door 2 top is provided with a strip button hole 21, the and arranged on left and right sides on door 21 tops, 2 rear button holes respectively have a hinge seat 22,22 ', for the connecting rod 4 that opens the door of hinged button; The and arranged on left and right sides of door 21 belows, 2 rear button holes respectively has a hinge seat 23, for the button 3 of hinged button.
The last flat limit 31 of button 3 is sleeved in the strip button hole 21 on door 2 tops for strip, the following flat limit of button 3 be separated into left and right two parts 32,32 ', the lower end of each part is provided with on one of left and right two hinge seats 23 that minor axis 33 correspondences are hinged on door 21 belows, 2 rear button holes.The connecting rod 4 that opens the door of V-arrangement cross section is separated into left and right two parts that connect by a major axis 41 in the turning point, this major axis 41 be hinged on door 21 tops, 2 rear button holes left and right two hinge seats 22,22 ' on.A straight flange---the left inner surface jacking block 34 on flat limit 31 on the outside contact button 3 of connecting rod pin 42 of connecting rod 4 left halfs opens the door, the open the door free termination of another straight flange of connecting rod 4 left halfs extends to form left grab 43 to the opening inboard, connecting rod 4 left halfs that open the door have the upper end of the straight flange connection reset tension spring 44 of left grab 43, the lower end of reset tension spring 44 connects the lower end of the left half 32 on 3 times flat limits of button, makes the left grab 43 left dop on outer wall top, clamping cavity 1 left side opening or closing.A straight flange of connecting rod 4 right halfs opens the door---connecting rod pin 42 ' outside contact button 3 on flat limit 31 right side inner surface jacking block 34 ', open the door connecting rod 4 right halfs another straight flange free termination to the opening inboard extend to form right grab 43 ', connecting rod 4 right halfs that open the door have right grab 43 ' straight flange and 3 times flat limits of button right half 32 ' the lower end between be connected to another reset tension spring 44 ', make the right dop 11 on clamping cavity 1 outer right wall top of right grab 43 ' opening or closing '.
Open the door the left dop at connecting rod 4 two ends and right dop 11 ', two reset tension springs 44,44 ' the pulling force effect under respectively from left and right two side clamping cavitys 1, make with the release of button 3 control gates 2 or locking balance more.
The outer surface on flat limit 31 on the inside pressing keys 3, left and right two jacking blocks 34,34 of its inner surface ' corresponding roof pressure open the door left and right two connecting rod pin 42,42 of connecting rod 4 ' the outside, make open the door connecting rod 4 around the hinge seat 22,22 on button hole 21 tops ' hinged axis swing, open the door dop on connecting rod 4 left and right two grabs 43,43 ' disengaging cavity 1 top and arranged on left and right sides outer wall, and left and right two reset tension springs 44,44 ' be stretched; Door 2 is in the state of being released.
Because left and right two grabs 43,43 ' back be the curve that seamlessly transits, even people's hand is at the last outer surface that does not contact flat limit 31 on the button 3 at closing time that turns over, when left and right two grabs 43, the 43 ' back of connecting rod 4 of opening the door touch dop corresponding on the cavity 1 top and arranged on left and right sides outer wall, can make open the door connecting rod 4 around the hinge seat 22,22 on button hole 21 tops ' hinged axis swing, with left and right two reset tension springs 44,44 ' elongation.When door 2 is closed fully, left and right two reset tension springs 44,44 ' retracted for clearance, make open the door connecting rod 4 around left and right two hinge seats 22,22 on button hole 21 tops ' the backswing of hinged axle center, the corresponding dop on left and right two grabs 43,43 ' clamping cavity, 1 top and arranged on left and right sides outer wall of connecting rod that opens the door, door 2 is in the buckling state that is locked.
Between outer wall bottom, cavity 1 open front place left side and the door 2 lower inside left side, between cavity outer right wall bottom, 1 open front place and the both sides, the 2 lower inside right side, double rocker mechanism shown in each corresponding installation one picture group 1 and attached extension spring make following the stirring of door 2 make more balance.
The bottom of the frame plate 5 of double rocker mechanism is fixedly mounted on the base plate 12 of cavity 1 one side outer wall bottoms, and a preceding lug 51 is arranged at frame plate 5 preceding bottoms, and preceding lug 51 is provided with the door-hinge 6 of level and the turning point of hinged V-arrangement rocking bar 7.The bottom that a straight flange 71 fixedly connected door 2 inboard anti-microwaves of V-arrangement rocking bar 7 are revealed frame 25; Anti-microwave is revealed frame 25 and is fixed on door 2 inboards by left and right each two leg 24.Another straight flange 72 of V-arrangement rocking bar 7 extends back, the lower end of its free end articulated linkage 8 and follower head 74 upper side edges that are positioned at jointed shaft 73 rears are used to the upturned position of limiting door 2, and the follower head 74 of the straight flange 72 of current V-arrangement rocking bar 7 drops in the via hole 13 on the base plate 12.The hinged front end of going up rocking bar 9 in the upper end of connecting rod 8.The rear end of last rocking bar 9 is hinged on the last rear end of frame plate 5.The last rear end of the hinged frame plate in upper end of straight rocking bar; The postmedian of frame plate 5 is installed the extension spring 53 of opening the door, and the free end of the extension spring 53 of opening the door connects the lower end of connecting rod 8.A deceleration extension spring 54 is installed between the upper end of the postmedian of frame plate 5 and connecting rod 8.An auxiliary extension spring 55 of opening the door is installed between the upper end of the rear end of last rocking bar 9 and connecting rod 8.Frame plate 5 front middle parts have one with the roughly concordant protuberance forward 56 of its preceding lug 51, the top of this protuberance 56 is provided with the spacing dop 57 of straight flange 72 follower heads 73 upper side edges of a corresponding V-arrangement rocking bar 7; Straight flange 72 follower heads 73 upper side edges of V-arrangement rocking bar 7 are taken when coming to this spacing dop 57 from the initial position correspondence, and the V-arrangement rocking bar 7 straight flanges 72 upwards angle of swing are 90 °.The rear surface of spacing dop 57 is provided with cushion blocking 58.
After control button discharges door 2, the restoring force of extension spring 53 of opening the door is upwards mentioned the lower end of connecting rod 8, the extension spring 53 of assisting to open the door of the restoring force of the auxiliary simultaneously extension spring 55 of opening the door is upwards mentioned connecting rod 8, the straight flange 72 that the jointed shaft 73 of connecting rod 8 lower ends drives V-arrangement rocking bar 7 makes progress, thereby make door-hinge 6 swings of V-arrangement rocking bar 7 on the lug 51 of frame plate 5 preceding bottoms, door 2 tilts to the front lower place thereupon.At this moment, door 2 center of gravity begins to depart from more and more forward the door-hinge 6 on the lug 51 of frame plate 5 preceding bottoms, and the own wt of door 2 impels the amplitude of above-mentioned swing to strengthen again, makes door 2 quicken to open automatically.When door 2 quickens to open automatically, to lift on last rocking bar 9 front ends that the motion that connecting rod 8 makes progress continuously connects the jointed shaft 91 of its upper end, the extension spring 53 and assisting of opening the door is opened the door extension spring 55 along with the contraction of length, and is more and more little to the effect of connecting rod 8; Along with last rocking bar 9 does to lift on the front end swing around the jointed shaft 52 of frame plate 5 upper backs, the deceleration extension spring 54 that connects connecting rod 8 upper ends is stretched on the contrary, forms resistance, slows down the acceleration of door 2.When straight flange 72 follower heads 73 upper side edges of V-arrangement rocking bar 7 were taken the spacing dop 57 that comes to frame plate 5, the pendulum angle of V-arrangement rocking bar 7 was 90 °, door 2 down tilts.As shown in Figure 3.Because spacing dop 57 is provided with cushion blocking 58 towards the rear surface of V-arrangement rocking bar 7 straight flanges 72 follower heads 73 upper side edges, directly clash into the spacing dop 57 of cavity 1 upper frame plate 5 in the time of can avoiding door 2 to reach the down tilt position with V-arrangement rocking bar 7 straight flanges 72 follower heads 73 upper side edges of door 2 interlocks.
At closing time, with hand door is turned on 2, two rocking bars 7,9 and the connecting rod 8 of double rocker mechanism are done counter motion, and deceleration extension spring 54 is shunk and open the door extension spring 53 and the auxiliary extension spring 55 of opening the door are elongated, for open the door deposit potential energy next time; Door 2 is translated into the closed position makes it be locked at buckling state by the button that has retaining mechanism.
Two, embodiment two
But the open front place of second embodiment cavity of the utility model lower turning type door for microwave oven is provided with the door of a folding; The top of door is provided with a button hole, and a button that has retaining mechanism passes button hole, and its button top is exposed to the outside of door; The retaining mechanism of this button is installed in the inboard of door, connects the top at cavity open front place opening or closing; These are identical with last embodiment, do not repeat.Between the bottom of present embodiment cavity open front place left side outer wall and the door lower inside left side, between the bottom of cavity open front place outer right wall and the right both sides of door lower inside, the rocking bar overhead door mechanism that one group of endplay device different with last embodiment of each corresponding installation and the extension spring of opening the door are formed by combining.
In the present embodiment structure of one group of rocking bar overhead door mechanism as shown in Figure 4, another the group with its symmetry.Frame plate 50 bottoms of endplay device are fixedly mounted on the base plate front portion of cavity one side outer wall bottom, and the lug 510 of frame plate 50 bottom front ends is provided with the door-hinge 60 of level.A guide groove 520 that extends to door-hinge 60 is arranged at frame plate 50 tops, is provided with the upper end of sliding axle 521 hinged connecting rods 80 in the guide groove 520.At this moment, the sliding axle 521 of connecting rod 80 upper ends is positioned at guide groove 520 bottoms.The leading section of door-hinge 60 hinged rocking bars 70, the inboard bottom of riser 710 fixedly connected doors of the front end of rocking bar 70, at this moment, riser 710 is in upright state.The bottom of the rearward end articulated linkage 80 of rocking bar 70.Frame plate 70 postmedians are provided with an extension spring 530 of opening the door that upwards lifts rocking bar 70 rear ends 720, and this free end that opens the door extension spring 530 is connected the bottom of connecting rod 80.An auxiliary extension spring 550 of opening the door is installed between the top of frame plate 50 top guide grooves 520 and the upper end of connecting rod 80.The middle front part of frame plate 50 is provided with the spacing dop 570 of corresponding rocking bar 70 rear ends 720 upper side edges; Spacing dop 570 is equipped with cushion blocking 580 towards the rear surface of rocking bar rear end 720 upper side edges.Rocking bar rear end 720 upper side edges are taken when coming to this spacing dop 570 from the initial position correspondence, and rocking bar 70 upwards pendulum angle is 90 °.Cushion blocking 580 on the spacing dop 570 of frame plate 50 can slow down the bump of door 70 pairs of frame plates 50 of rocking bar when reaching the down tilt position.
Door is discharged or locking by the button control that has retaining mechanism, and after button discharged door, the extension spring 530 of opening the door was shunk, and upwards lifts the bottom of connecting rod 80; The extension spring 530 of assisting to open the door of the restoring force of the auxiliary simultaneously extension spring 550 of opening the door is upwards mentioned connecting rod 80, the jointed shaft 730 of connecting rod 80 lower ends drives rocking bar rear end 720 upwards, make door-hinge 60 swings of rocking bar 70 on the lug 510 of frame plate 50 preceding bottoms, door tilts to the front lower place thereupon.Door tilts to the front lower place thereupon, and the center of gravity of door begins more and more away from the door-hinge 60 of frame plate 50 preceding bottoms, and the own wt of door impels the amplitude of rocking bar 70 swings to strengthen again, and an acceleration is opened automatically.Door reaches the centre position of inclination, and the extension spring 530 of opening the door begins to stretch after being retracted to minimum dimension, just begins to stop the acceleration of door to tilt, and plays the effect of buffering.Door continues to tilt until door by down tilt to the front lower place.The state of each moving parts dots in Fig. 5 during the door down tilt, and the mark of each moving parts is corresponding to have added one ' number, to show difference.At this moment, the riser 710 of rocking bar 70 ' front end ' be in level, rear end 720 ' upper side edge withstands the spacing dop 570 of frame plate 50 middle front parts; On the line of jointed shaft 730 ' be raised to guide groove 520 and door-hinge 60, the sliding axle 521 of connecting rod 80 ' upper end ' be raised to guide groove 520 tops.Open the door extension spring 530 ' be elongated, the auxiliary extension spring 550 of opening the door ' be retracted to the shortest.
Turn over as if making on the door with hand, the rocking bar 70 of endplay device ' and connecting rod 80 ' do counter motion, the sliding axle 521 of connecting rod 80 ' upper end ' glide along guide groove 520, extension spring 530 ' elder generation's the shortening of opening the door is elongated then, the auxiliary extension spring 550 of opening the door ' be elongated makes it be locked at buckling state by the button that has retaining mechanism when door is translated into the closed position.
The above only is the utility model preferred embodiment, does not limit the scope that the utility model is implemented with this, and the equivalence of doing according to the technical solution of the utility model and description changes and modification, all should belong to the scope that the utility model is contained.
Claims (12)
1. lower turning type door for microwave oven, but the open front place of cavity is provided with the door of a folding; It is characterized in that: the top of door is provided with a button hole, and a button that has retaining mechanism passes button hole, and its button top is exposed to the outside of door; The retaining mechanism of this button is installed in the inboard of door, connects the top of cavity open front place outer wall opening or closing; The frame plate of an endplay device of bottom fixed installation of cavity open front place outer wall, frame plate bottom front end is provided with the door-hinge of level and the leading section of hinged rocking bar, the inboard bottom of the fixedly connected door of the front end of rocking bar, the extension spring of opening the door that upwards lifts rocking bar is connected between the rearward end and frame plate of rocking bar.
2. lower turning type door for microwave oven according to claim 1 is characterized in that: the middle front part of described frame plate is provided with the spacing dop of a corresponding rocking bar follower head upper side edge; The upper side edge of rocking bar follower head is taken when coming to this spacing dop from the initial position correspondence, and the pendulum angle that rocking bar makes progress is 90 °.
3. lower turning type door for microwave oven according to claim 2 is characterized in that: the rear surface of the spacing dop of frame plate is equipped with cushion blocking.
4. lower turning type door for microwave oven according to claim 3, it is characterized in that: between outer wall bottom, described cavity left side and the door lower inside left side, between cavity outer right wall bottom and the right both sides of door lower inside, one group of described endplay device of each corresponding installation with open the door extension spring.
5. lower turning type door for microwave oven according to claim 4, it is characterized in that: described every group of endplay device is double rocker mechanism, wherein, the rearward end of the also hinged last rocking bar that extends forward in rear end, frame plate top, the bottom of the rearward end articulated linkage of rocking bar and the free end of the extension spring of opening the door are connected the bottom of connecting rod; The hinged leading section of going up rocking bar in the upper end of connecting rod; An auxiliary extension spring of opening the door is installed between the rearward end of last rocking bar and the upper end of connecting rod.
6. lower turning type door for microwave oven according to claim 5 is characterized in that: a deceleration extension spring is installed between the postmedian of described every group of double rocker mechanism mid frame plate and the upper end of respective link.
7. lower turning type door for microwave oven according to claim 4 is characterized in that: in described every group of endplay device, a guide groove that extends to door-hinge is arranged at frame plate top, is provided with the upper end of a hinged connecting rod of sliding axle in the guide groove; The bottom of the rearward end articulated linkage of rocking bar and the free end of the extension spring of opening the door are connected the bottom of connecting rod.
8. lower turning type door for microwave oven according to claim 7 is characterized in that: an auxiliary extension spring of opening the door is installed between the top of described frame plate top guide groove and the upper end of connecting rod.
9. according to claim 1 or 2 or 3 or 4 or 5 or 6 or 7 or 8 described lower turning type door for microwave oven, it is characterized in that: the described button that has retaining mechanism comprises open the door connecting rod and reset tension spring of the button of a Z-shaped cross section, a V-arrangement cross section; The last flat limit of button is sleeved in the button hole on a top, and the lower end on flat limit is hinged on the hinge seat of the below of side button hole behind the door under the button; The hinge seat on the top, hinged door rear button hole, turning point of the connecting rod that opens the door of V-arrangement cross section, the inner surface on flat limit on the outside contact button of a straight flange of connecting rod opens the door, the open the door free termination of another straight flange of connecting rod extends to form grab to the opening inboard, and this grab is the dop on clamping chamber outer wall top opening or closing; One end of reset tension spring connects the straight flange that the connecting rod that opens the door has grab, and the other end of reset tension spring connects the lower end on flat limit under the button.
10. lower turning type door for microwave oven according to claim 9 is characterized in that: the back of described grab is the curve smoothing transition.
11. lower turning type door for microwave oven according to claim 10, it is characterized in that: the last flat limit of described button is that strip is sleeved in the strip button hole on a top, flat limit is separated into left and right two parts under the button, and the lower end correspondence of each part is hinged on one of left and right two hinge seats of the below of side button hole behind the door; The connecting rod that opens the door of V-arrangement cross section is separated into left and right two parts that connect by major axis in the turning point, this top, major axis hinged door rear button hole left and right two hinge seats on; The open the door left inner surface on flat limit on the outside contact button of a straight flange of connecting rod left half, the open the door free termination of another straight flange of connecting rod left half extends to form left grab to the opening inboard, and this left side grab is the left dop on outer wall top, clamping cavity left side opening or closing; One end of reset tension spring connects the straight flange that the connecting rod left half that opens the door has left grab, and the other end of reset tension spring connects the lower end of the left half on flat limit under the button; The right side inner surface on flat limit on the outside contact button of a straight flange of connecting rod right half opens the door, the open the door free termination of a straight flange of connecting rod right half extends to form right grab to the opening inboard, and this right side grab is the right dop on clamping cavity outer right wall top opening or closing.
12. lower turning type door for microwave oven according to claim 10 is characterized in that: the described connecting rod right half that opens the door has between the lower end of flat limit right half under the straight flange of right grab and the button and is connected to another reset tension spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620080699 CN2898665Y (en) | 2006-01-24 | 2006-01-24 | Down-reversing microwave oven gate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620080699 CN2898665Y (en) | 2006-01-24 | 2006-01-24 | Down-reversing microwave oven gate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2898665Y true CN2898665Y (en) | 2007-05-09 |
Family
ID=38073999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620080699 Expired - Fee Related CN2898665Y (en) | 2006-01-24 | 2006-01-24 | Down-reversing microwave oven gate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2898665Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106460433A (en) * | 2014-04-03 | 2017-02-22 | 伊莱克斯家用电器股份公司 | Door opening system for a domestic appliance |
| CN107131528A (en) * | 2017-06-29 | 2017-09-05 | 广东美的厨房电器制造有限公司 | Cooker |
| CN107280512A (en) * | 2017-06-26 | 2017-10-24 | 东莞塘厦力恒电器有限公司 | Drop type toaster |
| CN110214252A (en) * | 2017-02-08 | 2019-09-06 | 松下知识产权经营株式会社 | Heating device |
| US20190301203A1 (en) * | 2018-03-27 | 2019-10-03 | Lg Electronics Inc. | Latch holder having automatic opening structure and an appliance with automatic opening door using latch holder |
-
2006
- 2006-01-24 CN CN 200620080699 patent/CN2898665Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106460433A (en) * | 2014-04-03 | 2017-02-22 | 伊莱克斯家用电器股份公司 | Door opening system for a domestic appliance |
| CN106460433B (en) * | 2014-04-03 | 2019-03-19 | 伊莱克斯家用电器股份公司 | Open-door system for household electrical appliance |
| CN110214252A (en) * | 2017-02-08 | 2019-09-06 | 松下知识产权经营株式会社 | Heating device |
| CN110214252B (en) * | 2017-02-08 | 2021-02-19 | 松下知识产权经营株式会社 | Heating cooker |
| CN107280512A (en) * | 2017-06-26 | 2017-10-24 | 东莞塘厦力恒电器有限公司 | Drop type toaster |
| CN107131528A (en) * | 2017-06-29 | 2017-09-05 | 广东美的厨房电器制造有限公司 | Cooker |
| CN107131528B (en) * | 2017-06-29 | 2019-08-30 | 广东美的厨房电器制造有限公司 | Cooker |
| US20190301203A1 (en) * | 2018-03-27 | 2019-10-03 | Lg Electronics Inc. | Latch holder having automatic opening structure and an appliance with automatic opening door using latch holder |
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Legal Events
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| 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: 20070509 Termination date: 20100224 |