Background technology
In general, refrigerator is divided into keeping ice maker container and the refrigerating chamber of frozen food and the refrigerating chamber of storage chilled goods under the selected temperature, inside is provided with freezing cycle device, be followed successively by compression, condensation, expansion, evaporation, freezing endless form, in this circulation, utilize the heat that absorbs the evaporimeter outside, keep inner freezing, frozen state with this.
Fig. 1 is the schematic appearance of general refrigerator.
As shown in the figure, refrigeratory body 10 inside of rectangular shape have formed refrigerating chamber (not diagram) and the refrigerating chamber (not diagram) of taking care of food, and being divided into the upper strata is refrigerating chamber, and lower floor is a refrigerating chamber.
There is opening the front of refrigerating chamber and refrigerating chamber.Can optionally open and close refrigerating chamber door 12 and refrigerating-chamber door 14.Simultaneously, have on refrigerating chamber door 12 and the refrigerating-chamber door 14 the refrigerating chamber door handle 12 that can be easy to open and close refrigerator doors ' and refrigerating-chamber door handle 14 '.
So the user is drawing refrigerating chamber door handle 12 ' or 14 ' time of refrigerating-chamber door handle, refrigerating chamber door 12 and refrigerating-chamber door 14 are that the center is to front opening with the right-hand end.
But in traditional refrigerator, a storeroom (refrigerating chamber or refrigerating chamber) has only a door, and this Men Yiyi end opens and closes for the center.
That is to say,, when placing or take out the reserve of keeping in the refrigerating chamber, also must integral body open refrigerating-chamber door 14, so exist the problem that cold air leaks in the refrigerating chamber because refrigerating chamber has only a cold sotrage door 14.
Summary of the invention
Technical problem to be solved by this invention is that a kind of opening and closing device that is provided with the refrigerator doors of 2 above shutter door before a refrigerating chamber or refrigerating chamber is provided.
Another technical problem to be solved by this invention is that the opening and closing device that can open the refrigerator doors of 2 above shutter door individually or simultaneously is provided.
The technical solution adopted in the present invention is: a kind of opening and closing device of refrigerator doors includes: an opposite house that opens and closes single storage space on the refrigeratory body; Be installed in the opposite house fixed hinge that any one went up and constituted this rotating shaft; Be installed in the opposite house the movable hinge that another went up and constituted this rotating shaft.
A described opposite house comprises: the offside door that can open and close the memory space left part selectively; Can open and close the offside door of memory space right side part selectively.
Described fixed hinge comprises: be fixedly mounted on the upper and lower side of door, as the fixed hinge axle of door pivot; Be fixedly mounted on the refrigeratory body fixed hinge sheet of rotatable support fixation hinge axis one end.
Described movable hinge includes: be arranged at a two ends movably, and selectively as the movable hinge axis of pivot of door; Be arranged on the refrigerator fuselage, rotatably insert and support an end of movable hinge axis, and be formed with the movable hinge plate of pan.
Up and down at least one end of described two doors be provided be connected and fixed hinge axis and movable hinge axis be used to support the two-door brace that opens and closes simultaneously.
The movable hinge axis that moves up and down, allows that described refrigerator doors is provided with the movable hinge axis of control optionally inserts hinge control structure in the pan of movable hinge plate.
Described hinge control structure includes: be installed in the automatic control rod that door is opened and closed easily; Be installed between automatic control rod and the movable hinge axis, along with the mobile drive disk assembly that movable hinge axis is moved up and down of automatic control rod; Be installed on the movable hinge axis, movable hinge axis is applied the recovery parts of folk prescription to power.
The opening and closing device of refrigerator doors of the present invention can be opened 2 doors at a storage space.So, when the little reserve of taking and placing, only open a door, prevented that cold air from leaking.Open simultaneously than 2 doors like this and reduced by 1/2 open area, reduced leaking of cold air.Prevented that consequently cold air from leaking, effectively reduced the electric power of automatic loss.
And, in the present invention, have the brace that two doors are combined, can open 2 doors on demand simultaneously.So, when the relatively large food of taking and placing, eliminated the trouble of opening 2 doors respectively, improved the convenience of using refrigerator.
The specific embodiment
Below, be described with reference to the accompanying drawings the embodiment of the opening and closing device of refrigerator doors of the present invention.
Fig. 2 is the refrigerator plane section structural representation of the opening and closing device of refrigerator doors of the present invention; Fig. 3 is the part normal section structural representation of refrigerator of the opening and closing device of refrigerator doors of the present invention.
As shown in the figure, storage space 52 is being arranged for refrigeratory body 50 inside of cuboid.Storage space 52 is stored foods or with the part of freezing state and frozen state stored food.
There is an opposite house 60,70 front of storage space 52.That is to say the offside door 60 of the right side part that can relatively selectively open storage space 52, and the offside door 70 that can selectively open the left part of storage space 52.
At the right-hand end of offside door 60 fixed hinge 62 as the pivot of offside door 60 is arranged.Fixed hinge 62 by from the upper and lower side of offside door 60 to the top or the below, protrude fixing fixed hinge axle 62 ' and upper end or the fixed hinge sheet 62 of lower end " formation that can support fixation hinge axis 62 ' rotation.
Fixed hinge axle 62 ' be columniform, when offside door 60 is forwards mobile, just become the Mobility Center axle.Fixed hinge sheet 62 " be fixed on the refrigeratory body 50, support fixation hinge axis 62 ' the end.
Between the preceding right side of face of offside door 60 and refrigeratory body 50, and has packing ring G on the left surface of offside door 60 separately.Packing ring G prevents that the cold air in the storage space 52 from leaking by gap, also can play and alleviate the effect of colliding between each parts.
In the front, left side end of offside door 60, the oriented preceding offside door handle 64 that protrudes.Offside door handle 64 has and makes things convenient for the user to control the size of handle, switch offside door 60 defineds.
Left-hand end at offside door 70 has movable hinge 72.Movable hinge 72 forms the pivot of offside door 70, include the movable hinge axis 72 that is installed in movable hinge 72 upper and lower sides and plays the center turning effort ', and be fixed on the refrigeratory body 50, support movable hinge axis 72 ' the movable hinge plate 72 of end rotation ".
The movable hinge axis 72 ' diameter of regulation is arranged, cylindrical.Some circle (with reference to Fig. 4 and Fig. 5) of the upper part of its back.This is for after offside door 70 is opened with fixed hinge 62, makes it fixing automatically during collision.
At movable hinge plate 72 pan 72 of movable hinge axis 72 ' insertion " on have " a.Make movable hinge axis 72 ' can move up and down.To illustrate just as following, rely on hinge control structure 80 to move up and down certain part, use movable hinge plate 72 " pan 72 " a selectively.So only when the movable hinge plate 72 of movable hinge axis 72 ' be inserted into " pan 72 " a, just can work in the activity centre of offside door 70.
The right flank of offside door 70 and back left end have packing ring G to prevent that the cold air in the storage space 50 from leaking.Right-hand end partly has left hand grip 74 in the front of offside door 70, and the front, left side end parts of offside door 70 has door handle 76.
Left hand grip 74 is handles of use when to open and close with movable hinge 72 be the offside door 70 of center rotation.Open and close simultaneously and use door handle 76 when being the offside door 70 of center rotation and offside door 60 with fixed hinge 62.
Upside at offside door 70 and offside door 60 has brace 78 to be connected.Carries left side door 70 and offside door 60 when brace 78 opens and closes offside door 70 and offside door 60 at the same time.Brace 78 is also installed in the bottom that is preferably in offside door 70 and offside door 60.
The most handy plate made brace 78.In the right and left end of brace 78, fixed hinge axle 62 ' and the hinge through hole 78a of movable hinge axis 72 ' insertion is arranged.Movable hinge axis 72 ' the bottom, the drive disk assembly 84 that will illustrate below having and recover parts 86.
Fig. 4, Fig. 5 are the schematic cross-sections of A-A ' among Fig. 3.
As shown in the figure, in the inside of offside door, the hinge control structure 80 of restricted movable hinge axis 72 ' move up and down.So, rely on hinge control structure 80, the movable hinge plate 72 of movable hinge axis 72 ' can insert selectively " pan 72 " a.
Hinge control structure 80 is by for making things convenient for offside door 70, right 60 side doors to open and close the automatic control rod 82 that is contained on the door handle 76 simultaneously, connect automatic control rod 82 and movable hinge axis 72 ' drive disk assembly 84, can give movable hinge axis 72 ' apply recovery parts 86 compositions of upward force.
Automatic control rod 82 is
Font, middle body have
control lever hinge 82 as the activity centre '.So the end portion of
automatic control rod 82 is positioned at the rear of
door handle 76, move forward and backward with control lever hinge 82 ' serve as axle, rearward end moves up and down along with moving of end portion, and
drive disk assembly 84 is moved.
Drive disk assembly 84 is long, and the lower end is connected with automatic control rod 82, upper end and movable hinge axis 72 ' link to each other.So along with moving of automatic control rod 82, drive disk assembly 84 moves up and down.Meanwhile, movable hinge axis 72 ' move up and down, movable hinge axis 72 ' the upper part optionally be inserted among movable hinge plate 72 " the pan 72 " a.
Recover parts 86 and be contained in the inside of offside door 70 upper ends, by the compression spring, play a part upwards to promote movable hinge axis 72 '.So after movable hinge axis 72 ' move down, offside door 70 and offside door 60 were opened, movable hinge axis 72 ' reinstatement can move up.
It below is the operation instruction of refrigerator opening and closing device of the present invention.
Fig. 6 is the two-door state schematic cross-section of the opening and closing device of refrigerator doors of the present invention
At first, shown in Figure 6 is general using method.When just the reserve volume in the storage space 52 is less, opens offside door 70 or offside door 60 and can both take out or put into article.At this moment, as shown in Figure 6, offside door 60 and offside door 70 serve as that axle opens and closes with fixed hinge 62 and movable hinge 72 respectively.At this moment, in order to open and close offside door 70 or offside door 60, use offside door handle 74 and offside door handle 64 separately.As shown in Figure 4, among the movable hinge axis 72 ' movable hinge plate 72 of insertion " the pan 72 " a, become the pivot of offside door 70.
The schematic cross-section of Fig. 7 when to be that the refrigerator of opening and closing device of refrigerator doors of the present invention is two-door open wide simultaneously.
The auto state that enters when then, picking and placeing relatively large food.
In order to place large-scale food, open offside door 70 or offside door 60 any one all impossible food of placing at storage space 52.So at this moment, as shown in Figure 7, serve as that axle is simultaneously to front opening offside door 70 or offside door 60 with fixed hinge 62.Explaining in more detail, is exactly that the user pulls door handle 76 with one.When the user pulled handle 76, automatic control rod 82 also had been pulled.So automatic control rod 82 rotates with control hinge 82 ' be center, the end portion of automatic control rod 82 moves forward, and meanwhile its lower ends downward moves.Like this, the drive disk assembly 84 that connects automatic control rod 82 end portions also moves down, with movable hinge axis 72 ' pull down.At this moment, movable hinge axis 72 ' the upper end just from movable hinge plate 72 " pan 72 " a, spin off.So when the user pulled handle 76 forward, offside door 70 or offside door 60 were opened simultaneously.That is to say that brace 78 is with fixed hinge axle 62 ' and movable hinge axis 72 ' link to each other separately, so offside door 70 and offside door 60 serve as spool to open simultaneously with fixed hinge 62.So just can the taking and placing volume ratio bigger reserve.
As shown in Figure 7, in order to close offside door 70 and offside door 60, be with offside door 60 to pusher.So, movable hinge axis 72 ' the upper end collide movable hinge plate 72 " afterwards, just move down naturally, offside door 70 and offside door 60 will be shut simultaneously.That is to say, movable hinge axis 72 ' the lower end recovery parts 86 have been installed.So, the movable hinge axis 72 ' movable hinge plate 72 of collision " fore-end, movable hinge axis 72 ' just begin to move downwards, offside door 70 is close to the front of refrigeratory body 50, movable hinge axis 72 ' just rely on recovers that parts 86 are moved upward and fixes.
Scope of the present invention is not confined to the above embodiments.In above-mentioned technical scope, person skilled can be carried out various change and modification according to the present invention.
For example: in the middle of embodiment, offside door 70 has extra hinge control structure 80, if but do not have this control structure, utilize movable hinge axis 72 ' and the frictional force of refrigeratory body 50 also can constitute pivot.And at this moment, even without the fixing movable hinge axis 72 of offside door 70 ' movable hinge plate 72 " also harmless.Or on refrigeratory body 50, forming a holddown groove (not having diagram) that the prescribed depth of movable hinge axis 72 ' end is installed, effect also can.So with certain power handle 76 of pulling forward, movable hinge axis 72 ' meeting comes off from holddown groove, offside door 70 and offside door 60 have just been opened simultaneously.