Background technology
Refrigerator is a kind of electrical equipment of under low-temperature condition food being stored, and the user can carry out freezing to the food of being stored or refrigeration as required.To the cold air of refrigerator internal feed is to form under by the heat exchange action at refrigerant owing to compress repeatedly-cyclic process of condensation-expansion-evaporation, thereby can be constantly to the internal feed cold air of refrigerator.Simultaneously, the cold air of being supplied with by airflow convection effect and equably to the refrigerator diffusion inside.Therefore, the user can store the food that is kept in the refrigerator according to the own desired temperature of depositing.
Fig. 1 is the schematic diagram of the drawer type door of the existing refrigerator that is open state of expression.As shown in the figure, the main body 1 of refrigerator is a cuboid, is provided with a rotary door 10 that can carry out selective switch along left and right directions on the top of the main body 1 of refrigerator, the tipping bucket type chamber door 12 that slides and can pull out/push before and after being provided with in its underpart.
Electric refrigerator housing body 1 inside can refrigerate or the refrigerating chamber and the refrigerating chamber of freezing various foods in addition, does not show among the figure.The interior also shelf of the shaped design of with good grounds food of each refrigerating chamber and refrigerating chamber, drawer, pallet etc.
Temperature in refrigerating chamber and the refrigerating chamber on the diverse location is also different, and this is because the shelf in each space, drawer, and pallets etc. have played regulating action to the convection current situation of casing 1 interior cold air, make the temperature of each position different.Usually more down the cold air transmission is not enough more in electric refrigerator housing body 1, and temperature is also just higher.
The tipping bucket type chamber door of electric refrigerator housing body 1 bottom can be pulled out/be pushed, and formation can store the drawer chamber 20 of food.Mainly use as refrigerating chamber drawer chamber 20, and storage meat, seafood etc. need the food of preservation over a long time.And the drawer chamber also is divided into the many storage areas that vary in size, and can separately preserve the food of different volumes.
In drawer chamber 20, be provided with the hutch 30 of preserving the bigger food of volume ratio and the drawer of preserving the food smaller than the food volume of preserving in the hutch 30.Hutch can be preserved the food of different volumes and kind.
Hutch 30 is connected by the bottom of hinge with tipping bucket type chamber door 12, and depository dish was pulled out forward with tipping bucket type chamber door 12 when tipping bucket type chamber door 12 was forwards pulled out.Therefore, the user does not need other operation just can pull out/push hutch 30 as long as tipping bucket type chamber door 12 is pulled out the inside that just can see hutch 30.
In addition, the both sides of above-mentioned storage box 30 are fixed on the slideway 50, and slideway 50 is formed by three sections.The opposite side of slideway 50 is fixed on the inner side of refrigerator main body 1.Like this, storage box 30 just can spur by drawer type door 12, when extract out/when pushing drawer type door 12, under the guiding of slideway 50, just can simultaneously storage box 30 be extracted out/be pushed.
In addition, the upper end of hutch 30 is provided with drawer type drawer 40, below with reference to Fig. 2 drawer type drawer 40 is described in detail.Drawer type drawer 40 is crossed one another to bend by many one metal wires and forms.
The top opening of pulling out drawer 40 forms, and the front has as the front panel 42 of pulling out the part of drawer 40 outward appearances.And there is the guide rail bracket 44 of fixing the 2nd moving guide rail 54 upper end, both sides of pulling out drawer 40.
Pull out drawer 40 and can slide front and back along guide rail, promptly pull out/push, the user can store the food that needs storage in drawer.
Above-mentioned guide rail 50 by irremovable fixed guide 52 and can before and after the moving guide rail 54 that slides constitute.
Fixed guide 52 is very long, is that the left and right sides sidewall of 20 inboards, drawer chamber becomes horizontal direction to install with electric refrigerator housing body 1 inside, and moving guide rail then plays sliding guidance.
If more detailed word, moving guide rail 54 is installed in the inboard of fixed guide 52, and the rolling annex of moving guide rail 54 contacts with a side of fixed guide 52, and above-mentioned moving guide rail 54 moves along fixed guide 52.
Above-mentioned moving guide rail 54 is by the 1st moving guide rail 54 ' and the 2nd moving guide rail 54 " constitute.The 1st moving guide rail 54 ' device can forwards slide the 2nd moving guide rail 54 along fixed guide 52 on fixed guide 52 " install on the 1st moving guide rail 54 ', can forwards slide along the 1st moving guide rail 54 '.
The 1st moving guide rail 54 ' and the 2nd moving guide rail 54 " all have a rolling annex, the rolling annex guides the 2nd moving guide rail 54 with the fixed guide 52 and the z of guiding the 1st moving guide rail 54 ' " a side of the 1st moving guide rail 54 ' contact respectively, and can rotate.
Above-mentioned the 2nd moving guide rail 54 " be fixed on the guide rail bracket 44, guaranteeing to pull out drawer 40 can slide before and after guide rail.And pull out of the length of lead decision of the degree of pulling out of drawer 40 by above-mentioned guide rail 50, the size of therefore pulling out drawer is also decided by the length of lead of guide rail 50.
Above-mentioned the 2nd moving guide rail 54 " be fixed on the guide rail bracket 44 of pulling out drawer 40; the 1st moving guide rail 54 ' and the 2nd moving guide rail 54 " and fixed guide 52 be connected in turn, with the guide rail 50 that as above connects with pull out the inside that drawer 40 once all is installed in drawer chamber 20.
But as above the drawer of pulling out of the refrigerator of structure has following problem:
The above-mentioned drawer 40 of pulling out relies on the 1st moving guide rail 54 ' and the 2nd moving guide rails 54 " and fixed guide 52 move, but above-mentioned the 1st moving guide rail 54 ' and the 2nd moving guide rail 54 " slip do not decide in proper order.
Because moving guide rail 54 is linear pattern extended structures, when moving guide rail is pulled out certain distance,, occurs guide rail 50 breakages easily or pull out the problem that drawer 40 breaks away from from guide rail 50 owing to pull out the weight and the weight of pulling out drawer 40 inner foods of drawer 40.
Summary of the invention
In order to address the above problem, the present invention researches and develops, and develops the double drawer for refrigerator that main drawer and secondary drawer can move in turn.
To achieve these goals, foundation double drawer for refrigerator of the present invention is by the main drawer of the present invention by keeping food, support and guide the secondary drawer of the front and back slip of main drawer, the compositions such as guiding rail that guide secondary drawer to move forward and backward, pull out at main drawer/when pushing, main drawer and secondary drawer can be pulled out successively/be pushed.
The guiding rail that secondary drawer can be moved forward and backward is installed in the side of secondary drawer.
Above-mentioned guiding rail comprises guiding rolling annex and sliding guidance portion and rolling guide portion.
Above-mentioned rolling guide portion is corresponding mutually with the shape of sliding guidance portion, and one is hanging groove, and one is hook.
The front end of above-mentioned rolling guide portion is the shape of hanging groove.
Drawer with said structure can prevent bending, and the double-drawer front and back slip of refrigerator is more prone to.
Compositions such as foundation double drawer for refrigerator master of the present invention drawer of mentioning as top explanation and secondary drawer, when main drawer and secondary drawer moved forward and backward, main drawer and secondary drawer can move successively.
That is, pull out earlier according to double-drawer of the present invention master's drawer when pulling out forward, secondary then drawer is pulled out again; Master's drawer is drawn back earlier when double-drawer pushes, when main drawer with after the back of secondary drawer contacts, main drawer moves backward with secondary drawer.
According to double-drawer of the present invention pulling out/when pushing, can avoid producing the effect of force of the breath, prevent to damage drawer and take place.When food is equipped with in common drawer inside, pulling out/when pushing drawer masterpiece be used in the drawer front end below.And there is the guiding rail support rear end of drawer, so the effect of force of the breath can occur, is damaged easily.
The bottom of depositing the main drawer of food among the present invention is equipped with and the corresponding secondary drawer of main drawer shape, is used for supporting main drawer, and main drawer and secondary drawer are pulled out in turn/pushed, and can obviously reduce the sagging of drawer front end.Owing to prevented the appearance of double-drawer front end sagging, made double-drawer pull out/push to become and be more prone to.
The specific embodiment
Below with reference to accompanying drawings specific embodiments of the invention are elaborated.
Fig. 3 is according to the schematic diagram of double drawer for refrigerator of the present invention when opening.As shown in the figure, electric refrigerator housing body 100 is made of refrigerating chamber 200 and drawer chamber 300.
Refrigerating chamber 200 is positioned at the top of casing 100, two parts about being divided into, in various shelves are arranged, drawer, pallet with refrigerating chamber 200 separately, the storage of instant food.
Therefore, the cold air of sending into from casing 100 1 sides is because shelf, drawer, its mobile being affected of the existence of pallet, thereby realize the restriction or the adjusting of cold air convection current, cause the difference of refrigeration indoor temperature distribution, the user can select only foods storage spaces according to temperature.
The door of refrigerating chamber 200 is rotary chamber door, is positioned at the left and right sides of electric refrigerator housing body 100.Rotary chamber door is connected with upper end, casing 100 both sides by folding, can outwards open.
Two rotary chamber doors 220 are divided into two independently spaces with refrigerating chamber 200 about above-mentioned, a separate chambers of refrigerating chamber 200 can be used as refrigerating chamber when needing.
Side at rotary chamber door 220 has door handle, can the rotary chamber door 220 of capacity ground switch by the door handle user.And also be provided with conveniently the to take family bar of wine product or beverage and the succinct device of succinct beverage on the rotary chamber door 220.
Below the refrigerating chamber 200 of casing 100, also has drawer chamber 300.Drawer chamber 300 can forwards be pulled out or push in as drawer, uses mainly as refrigerating chamber.Can get up the long-time food freezing preservation of preserving of needs such as meat or seafood in above-mentioned drawer chamber 300.As refrigerating chamber, it has an independent cool-air feed mouth, has very strong cooling capacity.
And above-mentioned drawer chamber 300 not only can be used as refrigerating chamber and uses, and can also use as refrigerating chamber when needing.The space of refrigerating chamber is bigger, and fruit, vegetables under can tank when using as refrigerating chamber being difficult to contain can also store the food of the big heavy of some volumes.
There is drawer type chamber door 320 front of drawer chamber 300.The lower end of drawer type chamber door by folding be connected with the depository dish 340 of stored food, be equipped with on the depository dish 340 can before and after slide, 3 segmentation guide rails 360 that multistage stretches.
One side of 3 segmentation guide rails 360 is fixed on two walls of 300 inboards, drawer chamber, and depository dish 340 can slide along 3 segmentation guide rails, 360 front and back.The top jug of drawer type chamber door can be by drawing or depository dish 340 and drawer type chamber door 320 are pulled out/pushed to push handle.
300 tops, drawer chamber are divided into the left and right sides, and the left side is can automatic ice-making and the ice maker that stores, and the right side is a double-drawer 400, be used for storing with respect to the little food of depository dish 340 volumes, and the food of storage separately again.
Fig. 4 is the structural representation according to double drawer for refrigerator of the present invention.Fig. 5 is according to double drawer for refrigerator embodiment schematic diagram of the present invention.
As shown in the figure, double-drawer 400 is by guiding rail 420 and secondary drawer 440, and main drawer 460 constitutes.Guiding rail can guide pulling out/pushing of secondary drawer 440, is installed in the inside of refrigerator.
The side of guiding rail 420 is a rolling guide portion 422.Rolling guide portion 422 is used to guide the 1st rolling guide appendages 442 and sliding guidance portion 444, is positioned at a side of guiding rail 420, and is outstanding to the side.Promptly form font from the side, use the 1st rolling annex 442 to carry out rolling movement on the rolling guide portion 422 to " U " of open front.
The front end of rolling guide portion 422 forms hanging groove 424.Promptly the front end in the bottom surface of rolling guide portion 422 forms the hanging groove 424 that projects upwards as shown in the figure, and the hook that forms in sliding guidance portion 444 just hangs on the above-mentioned hanging groove 424.
Refrigerator has a pair of guiding rail 420, is installed in the inboard of electric refrigerator housing body 100, is exactly in detail to be installed in accordingly mutually on the 300 inner left and right sides walls of drawer chamber.The rolling guide portion 422 that therefore a pair of guiding rail 420 forms will be installed relatively.
Secondary drawer 440 is installed on guiding rail 420, and secondary drawer 440 is the cubic box-shape of a part of opening at the place ahead, top, rear, and volume inside is designed to specific size, inside slides in the space that main drawer 460 takies secondary drawer 440.
There is the first rolling annex 442 rear end, secondary drawer 440 both sides.The first rolling annex 424 contacts with rolling guide portion 422 and carries out rolling movement.If the first rolling annex 422 carries out rolling movement in the rolling guide portion 422 of guiding rail 420, secondary drawer 440 just moves forward and backward along guiding rail 420.
The 1st rolling annex 442 is to guarantee carriages such as cylinder or the bearing annexes of motion smoothly, if form cylinder then can use same material to make with secondary drawer 440.
Before and after the both sides of the 1st rolling annex 442 sliding guidance portion 444 is installed, sliding guidance portion 444 and the 1st rolling annex 442 are installed in the rolling guide portion 422 of guiding rail 420, guide secondary drawer front and back to slide.Such structure can prevent secondary drawer 440 when guiding rail 420 is pulled out forward, the generation of the problem that the front end of secondary drawer 440 is sagging.Therefore, sliding guidance portion 444 preferably can be corresponding with the shape of rolling guide portion 422.
Sliding guidance portion 444 extends to the front end of secondary drawer 440 always from the place that the 1st rolling annex 442 is installed, mid portion forms hook 446 as shown in the figure.
Hook 446 and hanging groove 424 interlock mutually can prevent that secondary drawer 440 from pulling out longly forward, and shape is corresponding with hanging groove gives prominence to downwards.
The both sides of secondary drawer 440 are equipped with pull out guide rail 450, and pull out guide rail 450 is slided before and after can guiding main drawer, and the 2nd rolling annex is installed on the pull out guide rail 450.
It is low that the position of pull out guide rail 450 cans be compared to sliding guidance portion 444 most, and pull out guide rail caves in laterally from secondary drawer 440 inboards.And pull out guide rail 450 extends to the middle body of secondary drawer 440 always from the inboard rear end of secondary drawer 440.
The part that is equivalent to its top in the back of secondary drawer 440 has half to become the opening shape, guarantees that main drawer 460 can insert in the pull out guide rail 450 easily, is not subjected to the influence of guiding rail 420 by means of pull out guide rail 450.
Main drawer 460 is installed in the secondary drawer 440, and main drawer 460 is the box-shape of top opening as the space of preserving food, the inner space 460 ' of depositing food that forms.In order to guarantee that main drawer 460 can insert in the secondary drawer 440 fully, main drawer 460 should be smaller than secondary drawer 440.
Vertical curve laterally around main drawer 460 upper ends, the front has front panel 464 to become the part of front outward appearance.Front panel 464 can prevent that not only the food of internal storage from gushing, and can also use as handle when the user pulls out main drawer 460.
There is the 2nd rolling annex 462 identical shaped with the 1st rolling annex the both sides of main drawer 460, the 2nd rolling annex 462 is used by pull out guide rail 450, contact with a side of pull out guide rail 450, roll back and forth, guarantee that main drawer 460 can pull out from the inboard of secondary drawer 440.
The 2nd rolling annex 462 is positioned at the back of main drawer 460 both sides and omits central portion, promptly with corresponding position, the position of pull out guide rail 450.In other words the 2nd rolling annex 462 should guarantee that when being installed to main drawer 460 on the secondary drawer 440 pull out guide rail 450 can use the 2nd rolling annex naturally.
The 2nd rolling annex 462 is the same with the 1st rolling annex 442 to be to guarantee carriages such as cylinder or the bearing annexes of motion smoothly, if form cylinder then can use same material to make with main drawer 460.
And there is cold airflow inlet 466 back of main drawer 460, guarantees that the cold air of supplying with from behind can successfully flow in the main drawer 460.
The effect of the double-drawer of foundation refrigerator of the present invention is described to Fig. 9 below with reference to Fig. 6.
At first see the state when double-drawer 400 inserts refrigerator inside.Main as shown in Figure 6 drawer 460 is embedded in the secondary drawer 440, and the back of main drawer 460 contacts with the back of secondary drawer 440.
The 1st rolling annex 442 of secondary drawer 440 is positioned at the rear end of the rolling guide portion 422 of guiding rail 420, and the 2nd rolling annex 462 of main drawer 460 is positioned at the rear end of the pull out guide rail 450 of secondary drawer 440.
Draw front panel 464 forward with hand in these cases, main drawer 460 can be pulled out from secondary drawer 440.At this moment the 2nd rolling annex 462 rolls from the rear end forward end of pull out guide rail 450.
Fig. 7 is the state of main drawer 460 when pulling out fully.At this moment the 2nd rolling annex 462 is positioned at the front end of the pull out guide rail 450 of secondary drawer 440.
Be positioned at the 2nd rolling annex 462 under the situation of front end of pull out guide rail 450 of secondary drawer 440, continue to draw forward, at this moment secondary drawer 440 can be pulled out forward, promptly because the 2nd rolling annex 462 can not roll forward in pull out guide rail 450 again, so secondary drawer 440 can be pulled out forward, at this moment the 1st rolling annex 442 rolls in rolling guide portion 422.
Along with the rolling of the 1st rolling annex 442, secondary drawer 440 can be pulled out forward, up to the hanging groove interlock mutually of hook 446 with rolling guide portion 422 front ends of sliding guidance portion 444.At this moment secondary drawer 440 is all pulled out, and state as shown in Figure 8.
After main drawer 460 and secondary drawer 440 were all pulled out, the held space 460 ' of main drawer 460 was pulled out to outside the refrigerator fully, and the user can adorn by food easily.
Below, for double-drawer 400 being back into the inside of refrigerator, the front panel 464 of catching main drawer 460 is to pusher.At this moment, main drawer 460 slips in the secondary drawer 440, and gradually Back, the 2nd rolling annex 462 of at this moment main drawer 460 rolls backward in rolling guide portion 462 inside.
Along with sliding backward of main drawer 460, the back of the back of main drawer 460 and secondary drawer 440 is approaching gradually, is attached to together as shown in Figure 9.At this moment enforce front panel 464 again, secondary drawer 440 beginnings are moved backward.
When secondary drawer 440 was mobile backward, the 1st rolling annex 442 rolled in the rolling guide portion 422 of guiding rail 420.When the 1st rolling annex 442 arrived the rear end of rolling guide portion 422, as shown in Figure 6, double-drawer 400 was received in the refrigerator fully.