CN102720413A - Automatic return door hinge and refrigerator using same - Google Patents
Automatic return door hinge and refrigerator using same Download PDFInfo
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- CN102720413A CN102720413A CN2011100788590A CN201110078859A CN102720413A CN 102720413 A CN102720413 A CN 102720413A CN 2011100788590 A CN2011100788590 A CN 2011100788590A CN 201110078859 A CN201110078859 A CN 201110078859A CN 102720413 A CN102720413 A CN 102720413A
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Abstract
The invention provides an automatic return door hinge, wherein through the mutual matching of a damping part and a return automatic hinge, when the refrigerator is being closed, the two wedges of a first mounting plate and a second mounting plate are mutually matched to form automatic return, a hollow guide pipe drives a first sleeve to rotate relative to a second sleeve, so as to enable the damping grease between the first and the second sleeves to generate extrusion, as the viscous action of the damping grease blocks the relative motion between the first and the second sleeves to supply the damping buffer action, so that the serious collision between the refrigerator door and the refrigerator body caused by overhigh speed of the automatic closing of the refrigerator door is effectively avoided, and the service life and the using comfort of the refrigerator are effectively improved.
Description
Technical field
The present invention relates to a kind of self-return door hinge and use the refrigerator of this hinge.
Background technology
Refrigerator body and refrigerator door are connected through the hinge; But so that refrigerator doors folding; General hinge only plays the rotary door body, and in daily life because the number of times of refrigerator door folding is more, sometimes forgets the closing refrigerator door body unavoidably; The too small refrigerator door that causes of the dynamics of perhaps closing does not have the closed fully power consumption that consequently increases refrigerator, influences the refrigeration of refrigerator; And when closing a body and function power when big slightly, the collision of refrigerator door and refrigerator body may cause damage to refrigerator door and refrigerator body, influences the application life of refrigerator.
For addressing the above problem; Adopt cam pack to realize self-return in the existing refrigerator hinge; Extruding force between cam is domatic is provided by the spring of compression or the own wt of refrigerator door; In the closed process of refrigerator door, only need the door body is closed in certain angular range, the contact position of recurrence up and down (domatic) of cam set provides at spring or because of the own wt of refrigerator door under the effect of power and will rotate automatically; Drive refrigerator door and rotate to make position, having solved refrigerator door maybe not closed fully problem.But in the reality; Refrigerator door is heavier, especially large-scale clamshell doors refrigerator, and the object that can place in the door body is more; Make refrigerator door weight very big; When realizing the auto-closing of refrigerator door, can cause contact-impact dynamics and sound between refrigerator door and casing excessive, have a strong impact on the life-span of experience and refrigerator.
Summary of the invention
The object of the invention is intended to solve in the prior art when the auto-closing of refrigerator door; Contact-impact dynamics and sound between refrigerator door and casing are excessive; Have a strong impact on the problem in the life-span of experience and refrigerator; A kind of self-return door hinge with damping is provided, makes in the process that refrigerator door with this hinge closes within the specific limits automatically, avoid occurring refrigerator door auto-closing excessive velocities and cause clashing into serious problems between refrigerator door and casing.
A kind of self-return door hinge comprises first installing plate, and said first installing plate is provided with first through hole, on same circumference, forms at least two first voussoirs around first through hole; Second installing plate; Said second installing plate is provided with and corresponding second through hole of first through hole; On same circumference, forms at least two second voussoirs that match with first voussoir around second through hole, first installing plate can along first through hole axially with respect to second installing plate rotation and mobile;
Hollow tubing conductor, said hollow tubing conductor pass said first through hole and are fixedly connected with second through hole and with said first installing plate;
Said damped part comprises first sleeve of end sealing and second sleeve of end sealing; Said first sleeve and second sleeve can be respectively along the rotational of himself; The axis of the axis of said first sleeve and second sleeve is same axis; The said first sleeve openings end inserts the openend of said second sleeve and forms a confined space, is provided with the damping grease in the said confined space, and the end that said hollow tubing conductor matches with damped part is provided with the stopper slot of spacing first sleeve along himself rotational; The blind end of said first sleeve is provided with the limited block that matches with stopper slot; Said this blind end end face is resisted against on said second installing plate, when said limited block is deviate from said stopper slot, said first sleeve relatively hollow tubing conductor along the rotational of himself.
The present invention also provides a kind of refrigerator; Have refrigerator body and refrigerator door; Be provided with above-mentioned self-return door hinge between said refrigerator body and the refrigerator door; Said first installing plate is fixedly mounted on the said refrigerator body, and said second installing plate and second sleeve are fixedly mounted on the said refrigerator door, forms hinge between refrigerator body and the refrigerator door and connects.
In the above technical scheme; Cooperatively interact through the automatic hinge of damped part and return is set, close at refrigerator, two voussoirs of first installing plate and second installing plate cooperatively interact and when forming self-return; Hollow tubing conductor drives relative second sleeve of first sleeve and rotates; Make the damping grease of winning between the sleeve and second sleeve produce extruding,, the damping buffering effect is provided because the damping grease has viscous effect and hinders the relative motion between first sleeve and second sleeve; Excessive velocities when effectively having avoided the refrigerator door auto-closing occurring and cause between refrigerator door and casing producing the problem of serious bump has effectively improved refrigerator life-span and comfort.
Description of drawings
Fig. 1 is the cross-sectional schematic of a kind of embodiment of self-return door hinge of the present invention.
Fig. 2 is the structural representation of a kind of embodiment of first installing plate among the present invention.
Fig. 3 is the structural representation of a kind of embodiment of second installing plate among the present invention.
Fig. 4 is the structural representation at second another visual angle of installing plate shown in Figure 3.
Fig. 5 is the structural representation of a kind of embodiment of hollow core conduit of the present invention.
Fig. 6 is the structural representation of a kind of embodiment of first sleeve among the present invention.
Fig. 7 be Fig. 6 along Y-Y to the structure cross-sectional schematic.
Fig. 8 is the structural representation of a kind of embodiment of second sleeve among the present invention.
Fig. 9 be Fig. 8 along X-X to the structure cross-sectional schematic.
Figure 10 is the structural representation of hinge base among the present invention.
Figure 11 is the stressed process sketch map of from stopper slot, deviating from of limited block among the present invention.
Figure 12 is the stressed process sketch map that gets into stopper slot from the outside of limited block among the present invention.
The specific embodiment
Describe embodiments of the invention below in detail, the example of said embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Be exemplary through the embodiment that is described with reference to the drawings below, only be used to explain the present invention, and can not be interpreted as limitation of the present invention.
The embodiment of the invention provides a kind of self-return door hinge; Extremely shown in Figure 9 in conjunction with Fig. 1; This self-return door hinge comprises first installing plate 3, and said first installing plate 3 is provided with first through hole 31, on same circumference, forms at least two first voussoirs 33 around first through hole 31; Second installing plate 4, said second installing plate 4 are provided with and first through hole, 31 corresponding second through holes 41, on same circumference, form at least two second voussoirs 43 that match with first voussoir 33 around second through hole 41; First installing plate 3 and second installing plate 4 are through the assembling that matches of first voussoir 33, second voussoir 43; Receive one in the moment of torsion of first through hole 31 or second through hole 41 at first installing plate 3 or second installing plate 4, first installing plate 3 can axially rotating and moving with respect to second installing plate 4 along first through hole 31.
The hollow tubing conductor 2 that passes said first through hole 31 and second through hole 41 and be fixedly connected with said first installing plate 3, this hollow tubing conductor 2 matches with a damped part.
Said damped part comprises first sleeve 5 of end sealing and second sleeve 6 of end sealing, and the openend of said first sleeve 5 inserts the openend of said second sleeve 6, forms a confined space between two sleeves.In order to increase the seal that changes the space, as shown in Figure 1, preferably, between the inside wall of the lateral wall of first sleeve 5 and said second sleeve 6, be provided with first sealing ring 7.As further preferably, on the lateral wall of said first sleeve 5, be provided with first seal groove 55, said first sealing ring 7 is arranged in this first seal groove 55.Said first sleeve 5 and second sleeve 6 can be relatively along self rotational; The axis of said first sleeve and the axis of second sleeve are that a end that the said hollow tubing conductor 2 of same axis matches with damped part is provided with the stopper slot 23 of spacing first sleeve 5 along himself rotational; The sealed end of said first sleeve 5 is provided with the limited block 52 that matches with this stopper slot 23; Said this blind end end face is resisted against on said second installing plate 4; When said limited block 52 is deviate from said stopper slot 23, said first sleeve 5 relatively hollow tubing conductor along the rotational of himself.Be provided with the damping grease in the said confined space.
In conjunction with Fig. 2, Fig. 3 and shown in Figure 4; As a kind of preferred embodiment; Said first installing plate 3 is provided with 33, two first voussoirs of two first voussoirs 33 and evenly distributes on same circumference around first through hole 31, and promptly the center line of two first voussoirs 33 is located on the same line; Be formed with a breach between two first voussoirs 33 respectively; Second voussoir 43 on this breach and second installing plate 4 adapts, also be provided with on second installing plate 4 43, two second voussoirs of two second voussoirs 43 around second through hole 41 on same circumference all with distribution; Also form a breach respectively between these two second voussoirs 43, first voussoir on this breach and first installing plate 3 adapts.When first installing plate 3 cooperates with second installing plate 4; Said first voussoir 33 is arranged in the breach that second voussoir 43 forms; Said second voussoir 43 is arranged in the breach that first voussoir 33 forms; Said first through hole 31 is corresponding with said second through hole 41; First inclined-plane 3301 of said first voussoir 33 matches with second inclined-plane 4301 of second voussoir 43, and force-applied formation relatively moves between two inclined-planes, thus first installing plate 3 can relative second installing plate 4 along the relative motion that axially and axially produces certain displacement of through hole.
As a kind of preferred version; On said second installing plate 4; Center line with respect to a side upper edge second through hole 41 that is provided with second voussoir 43 is provided with the 3rd boss 45, and said second through hole 41 runs through said the 3rd boss 45, and the blind end of said first sleeve 5 is resisted against on said the 3rd boss 45.
In conjunction with Fig. 1 and shown in Figure 5, said hollow tubing conductor 2 passes said first through hole 31 and matches with said damped part with said second through hole 41.On hollow tubing conductor 2 and a end face that said damped part matches, be laid with axially extended at least two group boss; Said every group of boss comprises first boss 21 and second boss 22 respectively; The height of said first boss is greater than the height of said second boss; The height of said second boss equals the height of said voussoir, forms stopper slot 23 between said every group of boss.Preferably; The end face that present embodiment hollow core conduit 2 matches with said damped part is provided with two groups of boss, and these two groups of boss are symmetrically distributed around the one-tenth center, end of hollow tubing conductor, and said every group of boss comprises first boss 21 and second boss 22 respectively; Form stopper slot 23 between every group of boss; As shown in Figure 2, form stopper slot 23 respectively between first boss 21 and non-contacting adjacent second boss 22, preferably; Install for ease, be provided with first flange 24 at the other end of said hollow tubing conductor 2.
In conjunction with Fig. 1, Fig. 6, Fig. 7, Fig. 8 and shown in Figure 9; A side that is positioned at blind end on the excircle of said first sleeve 5 is provided with buckle 54; A side that is positioned at openend on the inwall circumference of said second sleeve 6 is provided with the draw-in groove 62 that matches with buckle, and said first sleeve 5 and second sleeve 6 match merging through the buckle draw-in groove can be along the axis relative motion of himself.In other words; After first sleeve 5 inserts in second sleeve 6; Buckle 54 is fastened in the said draw-in groove 62; The spacing axially-movable of first sleeve, 5 relative second sleeves 6, but do not have spacing first sleeve 5 with respect to the rotatablely moving of second sleeve 6, buckle 54 can along draw-in groove 62 and to be positioned at said draw-in groove 62 mobile.
Preferably; The Closed End of said first sleeve 5 is provided with an annular groove, be provided with in the said groove with hollow tubing conductor 2 on stopper slot 23 corresponding limited blocks 52, said limited block is preferably two; Limited 52 of said annular groove is divided into and every group of corresponding arc groove 53 of boss; When said first sleeve 5 matched with said hollow tubing conductor 2, said limited block 52 was positioned at the corresponding stopper slot 23 of hollow tubing conductor 2, and said every group of boss is positioned at corresponding with it arc groove 53.When said limited block 52 was positioned at stopper slot 23, the said relatively hollow tubing conductor 2 of first sleeve 5 can not produce the rotation along himself axis, but can produce moving along himself axis; When said limited block 52 was deviate from stopper slot 23, the said relatively hollow tubing conductor 2 of first sleeve 5 can produce the rotation along himself axis.
Preferably, the blind end place of said first sleeve 5 also is provided with second flange 53 that is used to play the role of positioning, and when assembling was accomplished, the openend of second sleeve 6 just was resisted against on second flange 53 of first sleeve 5.
As further preferably; The blind end center of said second sleeve 6 is provided with the cylinder 64 that extends to openend vertically; The setting of said cylinder 64 will be reserved enough spaces with the inwall of second sleeve 6 and can insert smoothly in second sleeve 6 to guarantee first sleeve 5; So that make the free end of said cylinder 64 be positioned at said first sleeve 5; After said first sleeve 5 and said second sleeve, 6 assembled, the free end of cylinder 64 is resisted against on the blind end of said first sleeve 5, along said cylinder 64 be axially arranged with one run through said first sleeve, 5 blind ends, cylinder 64 and second sleeve, 6 blind ends third through-hole 66; As shown in Figure 7, the part that said third through-hole 66 is positioned on first sleeve 5 is an axis hole 56.The purpose that third through-hole 66 is set is: convenient fixing said second sleeve 6; Be convenient to defrost water draining in the refrigerator; Get drawing and introducing of cold drink aqueduct outward.
Under above-described situation; Has sealing in order to ensure the formed space that holds the damping grease after first sleeve 5 and the 6 assembling completion of second sleeve; Preferably, between the inner periphery of the excircle of said cylinder 64 and said first sleeve 5, be provided with second sealing ring 8, as further preferably; Be placed in this second seal groove 65 being provided with second seal groove, 65, the second sealing rings 8 on the excircle of said cylinder 64.So the lateral wall of said first sleeve 5, the inside wall of second sleeve 6 can form confined space between the sidewall of cylinder 64 and first sealing ring, 7, the second sealing rings 8, is provided with the damping grease in this confined space.
The embodiment of the invention also provides a kind of refrigerator; Said refrigerator has refrigerator body and refrigerator door; Be provided with above-mentioned self-return door hinge between said refrigerator body and the refrigerator door; Said first installing plate 3 is fixedly mounted on the said refrigerator body, and said second installing plate 4 and second sleeve 6 are fixedly mounted on the said refrigerator door, forms hinge between refrigerator body and the refrigerator door and connects.
Preferably; Said refrigerator comprises that also one is fixedly installed on the hinge base 1 on the said refrigerator body; Said first installing plate 3 is fixedly installed on the said hinge base 1; The position of corresponding first through hole 31 is provided with the fourth hole 11 identical with first through-hole diameter on the said hinge base 1, and said hollow tubing conductor 2 passes said fourth hole 11, first through hole 31, second through hole 41 and matches with said damped part, and said hollow tubing conductor 2 is fixed on the said hinge base 1.Further preferably; Said hinge base 1 is provided with first installing hole 12 and second installing hole 13; Said first installing plate 3 is provided with and first installing hole, 12 corresponding the 3rd installing holes 32; Said first installing plate 3 is fastenedly connected on said hinge base 1 through screw, and said hinge base 1 is fastened on the said refrigerator body through screw.
Further preferably; Said second fixed head 4 is provided with the 4th installing hole 42; Said second sleeve 6 is provided with positioning boss 63, and said second fixed head 4 is fastened on the said refrigerator door through screw, and said second sleeve 6 is assemblied on the said refrigerator door through positioning boss 63 cooperations.
The above free return door hinge is following at the mounting means on the refrigerator: apply the damping grease respectively on the internal surface of column with first sleeve 5 and second sleeve 6; After distinguishing fit on first sealing ring 7 and second sealing ring 8 then; First sleeve 5 is inserted in second sleeve 6, forms damped part; Hinge base 1 is installed on the refrigerator body through second installing hole 13; Through first installing hole 12 and the 3rd installing hole 32 first installing plate 3 is fixedly mounted on the said hinge base on 1 then; Make the position of just corresponding first through hole 31 in position of fourth hole 11; Then second installing plate 4 is cooperated to be assemblied on said first installing plate 3, and then hollow tubing conductor 2 is passed said fourth hole 11, first through hole 31 and second through hole 41 successively, for the ease of the installing and locating of hollow tubing conductor 2; Said hollow tubing conductor 2 preferably is provided with first flange 24 near an end place of hinge base 1; During the assembling hollow tubing conductor, first flange 24 just is resisted against on the said hinge base 1, then first flange 24 and the mode of hinge base 1 through welding is fixed together.
Put in place pre-installing in second installing plate 4 and the housing of second sleeve 6 before the refrigerator door foaming moulding at last; Pass through foam process then, second installing plate 4 and second sleeve 6 are all fixed with a door body and the sleeve 5 of winning are assemblied on the said hollow tubing conductor 2 match to merge with said hollow tubing conductor 2 and make the blind end of first sleeve 5 be resisted against on the 3rd boss 45 of second fixed head 4.Wherein, in the prepackage process, the positioning boss 63 of said second sleeve 6 can play the effect of location, the installation of convenient second sleeve 6, and second installing plate 4 can be bolted on the said refrigerator door through the 4th installing hole 42.So far accomplish the assembling of whole free return door hinge on refrigerator.
The motion mode of said refrigerator door hinge in the process that opens and closes is following: when refrigerator door and refrigerator body are closed fully; First voussoir 33 just falls in the space of second voussoir, 43 formation; First inclined-plane 3301 of first voussoir 33 just is in contact with one another with second inclined-plane 4301 of second voussoir 43 and cooperates, and the limited block 52 of first sleeve 5 just drops in the stopper slot 23 of hollow tubing conductor 2 simultaneously.
When refrigerator door is opened; First inclined-plane 3301 of second inclined-plane 4301 of second voussoir 43 and first voussoir 33 produces frustrates relatively; Second voussoir 43 produces along through hole with respect to first voussoir 33 and axially reaches axial displacement; Therefore the 3rd boss 45 on second installing plate 4 produces the displacement away from first installing plate 3 with respect to first installing plate 3, therefore under the effect of the 3rd boss 45, first sleeve 5 also produce one on axially relatively away from the displacement of hollow tubing conductor 2; But this moment, first sleeve 5 can not be along himself rotational with respect to hollow tubing conductor 2; And since refrigerator door continue to open, second sleeve 6 along with refrigerator door along himself rotational, therefore this moment, second sleeve 6 rotated with respect to first sleeve 5.If when cancelling this moment to the active force of refrigerator door; Said refrigerator door returns self-return; And because in the damped part; Second sleeve 6 produces relative rotation with respect to first sleeve 5, hinders the axially-movable of second sleeve 6 with respect to first sleeve 5 thereby make the damping grease can produce a viscous force, thereby when the refrigerator door self-return, produces a damping; Effectively overcome overweight or door body the impact that excessive velocities is brought when closing, the experience and the application life of effectively having improved refrigerator to refrigerator body because of refrigerator door.
Along with refrigerator door continue open, limited block 52 beginning slowly skids off said stopper slot 23, and is rotated further when the motion of second installing plate 4 along with the door body; Up to 43 slippages of second voussoir above first voussoir 33; When promptly fitted each other in second plane 4302 and first plane 3302, limited block 52 just skidded off said stopper slot, at this moment further opening along with refrigerator door; Himself rotational of can not be further spacing said first sleeve 5 of stopper slot 23; Thereby under the drive of second sleeve 6, first sleeve 5 is along with second sleeve 6 moves together, and this moment, damped part did not play damping action.And if this moment is during the closing refrigerator door body; Must apply an external force to refrigerator door; When second voussoir 43 broke away from second plane of said first voussoir 33 and matches with first inclined-plane of first voussoir 33, refrigerator door just can carry out self-return closed, and this moment aforesaid state; Damped part produces damping action again, eliminate because of refrigerator door because of excessive velocities or the overweight percussion of bringing of door body to refrigerator body.
Among the above-described embodiment; The projection pairing central angle of inclined-plane on the circumference of the place of correspondence of setting said first voussoir 33 or said second voussoir 43 is α; The pairing central angle of the arc length of said second boss 22 is β; Setting is the height of first boss 21 from bosom to the first boss 21 axial distances away from said stopper slot 23 1 sides of stopper slot 23; From bosom to the second boss 22 axial distances away from said stopper slot one side of stopper slot 23 is the height of second boss 22, and the distance that is provided with voussoir one side from the voussoir plane to said corresponding installing plate is the height of voussoir.
Consider open and the power of closing refrigerator door body be that the inclined-plane of comfort level and unlikely two voussoirs produces locking phenomenon, said central angle alpha is preferably: 20 °≤α≤60 °; Consider that the angle that said refrigerator door is opened can arrive the angle that existing refrigerator has, the preferable range of said central angle β is: 50 °≤β≤120 °; In order to make damped part effectively bring into play its damping action and effect, preferably, the height of said first boss is greater than the height of said second boss simultaneously, and the height of said second boss is less than or equal to the height of said voussoir.
In conjunction with Figure 11 and shown in Figure 12; For refrigerator door when opening and closing; A relative position relation figure of limited block 52 and stopper slot 23; State among the figure shown in the a1 is that the state this moment limited block 52 of refrigerator door when closing is arranged in said stopper slot 23, but the state shown in the b1 is the state diagram of refrigerator door self-return during the stage among the figure, and this moment, limited block 52 beginnings slowly broke away from said stopper slot 23; But the said state of c1 is the state diagram of the maximum angle of refrigerator door when self-return among the figure, and this moment, limited block 52 just broke away from said stopper slot 23; D1 is that refrigerator door is opened to a state diagram can not self-return the time among the figure, and this moment, limited block 52 skidded off said stopper slot 23.On the contrary; State diagram when the state diagram when refrigerator door is closed is just opened with refrigerator door is opposite, and promptly the state of a2 is identical with the state of d1 among the figure, and the state of b2 is identical with the state of c1 among the figure; The state of c2 is identical with the state of b1 among the figure, and the state of d2 is identical with the state of a1 among the figure.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (15)
1. the self-return door hinge is characterized in that, comprising:
First installing plate (3), said first installing plate (3) is provided with first through hole (31), on same circumference, forms at least two first voussoirs (33) around first through hole (31); Second installing plate (4); Said second installing plate (4) is provided with and corresponding second through hole of first through hole (31) (41); On same circumference, forms at least two second voussoirs (43) that match with first voussoir (33) around second through hole (41), first installing plate (3) can along first through hole (31) axially with respect to second installing plate (4) rotation and mobile;
Hollow tubing conductor (2), said hollow tubing conductor (2) pass said first through hole (31) and are fixedly connected with second through hole (41) and with said first installing plate (3);
The damped part that matches with said hollow tubing conductor (2); Said damped part comprises first sleeve (5) of end sealing and second sleeve (6) of end sealing; Said first sleeve (5) and second sleeve (6) can be respectively along the rotational of himself; The axis of the axis of said first sleeve (5) and second sleeve (6) is same axis; Said first sleeve (5) openend inserts the openend of said second sleeve (6) and forms a confined space; Be provided with the damping grease in the said confined space; The end that said hollow tubing conductor (2) matches with damped part is provided with the stopper slot (23) of spacing first sleeve (5) along himself rotational, and the blind end of said first sleeve (5) is provided with the limited block (52) that matches with stopper slot (23), and said this blind end end face is resisted against on said second installing plate (4); When said limited block (52) is deviate from said stopper slot (23), said first sleeve (5) relatively hollow tubing conductor (2) along the rotational of himself.
2. self-return door hinge according to claim 1; It is characterized in that; Be laid with axially extended at least two group boss on the end face that said hollow tubing conductor (2) matches with damped part; Form stopper slot (23) between said every group of boss, said every group of boss comprises first boss (21) and second boss (22) respectively, and the height of said first boss (21) is greater than the height of said second boss (22); The height of said second boss (22) is less than or equal to the height of said first voussoir (33), and the height of said first voussoir (33) is less than the height of said first boss (21).
3. self-return door hinge according to claim 2; It is characterized in that; The Closed End of said first sleeve (5) is provided with an annular groove; Be provided with in the said groove and the corresponding limited block of stopper slot (23) (52), said annular groove limited (52) is divided into and every group of corresponding arc groove of boss (53), and said first sleeve (5) and said hollow tubing conductor (2) are when matching; Said limited block (52) is positioned at corresponding stopper slot (23), and said every group of boss is positioned at corresponding with it arc groove (53).
4. self-return door hinge according to claim 1; It is characterized in that; A side that is positioned at blind end on the excircle of said first sleeve (5) is provided with buckle (54); A side that is positioned at openend on the inwall circumference of said second sleeve (6) is provided with the draw-in groove (62) that matches with buckle (54); Said first sleeve (5) matches with draw-in groove (62) through buckle (54) with second sleeve (6), and said first sleeve (5) can rotate by relative second sleeve (6) along the axis of himself.
5. self-return door hinge according to claim 4 is characterized in that, is provided with first sealing ring (7) between the inside wall of the lateral wall of said first sleeve (5) and said second sleeve (6).
6. self-return door hinge according to claim 5; It is characterized in that; The blind end center of said second sleeve (6) is provided with the cylinder (64) that extends to openend vertically; The free end of said cylinder (64) is positioned at said first sleeve (5) and is resisted against on the blind end of said first sleeve (5), along said cylinder (64) be axially arranged with one run through said first sleeve (5) blind end, cylinder (64) and second cover (6) the tube blind end third through-hole (66).
7. self-return door hinge according to claim 6 is characterized in that, between the inner periphery of the excircle of said cylinder (64) and said first sleeve (5), is provided with second sealing ring (8).
8. self-return door hinge according to claim 2 is characterized in that, the scope of the pairing central angle β of arc length of said second boss (22) is 50 °≤β≤120 °.
9. according to any described self-return door hinge of claim 1-8; It is characterized in that; On said first installing plate (3); First voussoir (33) evenly distributes on same circumference, and said first voussoir (33) has one first inclined-plane (3301) respectively along the both sides of its external surface, and two first inclined-planes (3301) are connected through first plane (3302); On said second installing plate (4); Second voussoir (43) evenly distributes on same circumference and matches with first voussoir (33); Said second voussoir (43) has second inclined-plane (4301) that matches with first inclined-plane (3301) respectively along the both sides of its its external surface, and two second inclined-planes (4301) are connected through second plane (4301); When said first installing plate (3) received moment of torsion and rotates around relative second installing plate of center line (4) of said through hole, said first voussoir (33) can rotate and moves up to said first plane (3302) against said second plane (4302) relative to second voussoir (43) through first inclined-plane (3301) along second inclined-plane (4301).
10. self-return door hinge according to claim 9 is characterized in that, the scope of said first inclined-plane (3301) or second inclined-plane (4301) the pairing central angle alpha of projection on the circumference of place is: 20 °≤α≤60 °.
11. self-return door hinge according to claim 10; It is characterized in that; On said second installing plate (4); Center line with respect to a side upper edge second through hole (41) that is provided with voussoir is provided with the 3rd boss (45), and said second through hole (41) runs through said the 3rd boss (45), and the blind end of said first sleeve (5) is resisted against on said the 3rd boss (45).
12. refrigerator; Have refrigerator body and refrigerator door; It is characterized in that be provided with the described self-return door hinge of above-mentioned arbitrary claim between said refrigerator body and the refrigerator door, said first installing plate (3) is fixedly mounted on the said refrigerator body; Said second installing plate (4) and second sleeve (6) are fixedly mounted on the said refrigerator door, form hinge between refrigerator body and the refrigerator door and connect.
13. refrigerator according to claim 12; It is characterized in that; Comprise that also one is fixedly installed on the hinge base (1) on the said refrigerator body; Said first installing plate (3) is fixedly installed on the said hinge base (1); The position that said hinge base (1) goes up corresponding first through hole (31) is provided with the fourth hole (11) identical with first through hole (31) diameter, and said hollow tubing conductor (2) passes said fourth hole (11), first through hole (31), second through hole (41) and matches with said damped part, and said hollow tubing conductor (2) is fixed on the said hinge base (1).
14. refrigerator according to claim 13; It is characterized in that; Said hinge base (1) is provided with first installing hole (12) and second installing hole (13); Said first installing plate (3) is provided with and corresponding the 3rd installing hole of first installing hole (12) (32), and said first installing plate (3) is fastenedly connected on said hinge base (1) through screw, and said hinge base (1) is fastened on the said refrigerator body through screw.
15. refrigerator according to claim 14; It is characterized in that; Said second fixed head (4) is provided with the 4th installing hole (42); Said second sleeve (6) is provided with positioning boss (63), and said second fixed head (4) is fastened on the said refrigerator door through screw, and said second sleeve (6) is assemblied on the said refrigerator door through positioning boss (63) cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110078859.0A CN102720413B (en) | 2011-03-31 | 2011-03-31 | Automatic home door butt and use its refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110078859.0A CN102720413B (en) | 2011-03-31 | 2011-03-31 | Automatic home door butt and use its refrigerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102720413A true CN102720413A (en) | 2012-10-10 |
| CN102720413B CN102720413B (en) | 2015-09-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110078859.0A Active CN102720413B (en) | 2011-03-31 | 2011-03-31 | Automatic home door butt and use its refrigerator |
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|---|---|
| CN (1) | CN102720413B (en) |
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|---|---|---|---|---|
| CN103410396A (en) * | 2013-07-26 | 2013-11-27 | 合肥晶弘电器有限公司 | Refrigerator door closer |
| CN105054883A (en) * | 2015-08-19 | 2015-11-18 | 佛山市顺德区美的洗涤电器制造有限公司 | Hinge assembly used for bowl washing machine and bowl washing machine |
| CN107386843A (en) * | 2017-09-05 | 2017-11-24 | 合肥美菱股份有限公司 | A kind of door hinge case assembly |
| WO2019007274A1 (en) * | 2016-08-05 | 2019-01-10 | 青岛海尔股份有限公司 | Refrigerator |
| WO2019047547A1 (en) * | 2017-09-05 | 2019-03-14 | 深圳市金合联供应链技术有限公司 | Small-angle-closing hinge and washing machine intelligent silent hinge mechanism thereof |
| CN110411126A (en) * | 2019-08-30 | 2019-11-05 | 长虹美菱股份有限公司 | A kind of limit chocking construction for refrigerator door |
| CN110748255A (en) * | 2019-10-21 | 2020-02-04 | 海信容声(广东)冰箱有限公司 | A kind of refrigerator |
| CN111764777A (en) * | 2020-07-21 | 2020-10-13 | 青岛海容商用冷链股份有限公司 | Automatic door closing device and display cabinet |
| TWI719847B (en) * | 2020-02-11 | 2021-02-21 | 緯創資通股份有限公司 | Rotatable door structure and electronic device casing therewith |
| CN113882773A (en) * | 2020-07-03 | 2022-01-04 | 青岛海尔电冰箱有限公司 | Fully-embedded refrigerator capable of increasing opening degree of refrigerator body |
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| CN101566414A (en) * | 2008-04-22 | 2009-10-28 | 三星电子株式会社 | Damping unit and refrigerator with the same |
| CN201621183U (en) * | 2009-12-30 | 2010-11-03 | 比亚迪股份有限公司 | Wrapping type rotating shaft |
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| CN2828266Y (en) * | 2005-09-26 | 2006-10-18 | 海尔集团公司 | Automatic return hinge on refrigerator door and refrigerator |
| CN200943380Y (en) * | 2006-07-29 | 2007-09-05 | 中山市莎丽卫浴设备有限公司 | Hinge for glass door |
| WO2009078676A1 (en) * | 2007-12-18 | 2009-06-25 | Dong Woo.Inc | Hinge assembly for home bar door of refrigerator and refrigerator using the same |
| CN101566414A (en) * | 2008-04-22 | 2009-10-28 | 三星电子株式会社 | Damping unit and refrigerator with the same |
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Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410396B (en) * | 2013-07-26 | 2016-12-07 | 合肥晶弘电器有限公司 | A kind of refrigerator door closer |
| CN103410396A (en) * | 2013-07-26 | 2013-11-27 | 合肥晶弘电器有限公司 | Refrigerator door closer |
| CN105054883A (en) * | 2015-08-19 | 2015-11-18 | 佛山市顺德区美的洗涤电器制造有限公司 | Hinge assembly used for bowl washing machine and bowl washing machine |
| CN105054883B (en) * | 2015-08-19 | 2018-10-23 | 佛山市顺德区美的洗涤电器制造有限公司 | Hinge component and dish-washing machine for dish-washing machine |
| US11591837B2 (en) | 2016-08-05 | 2023-02-28 | Qingdao Haier Joint Stock Co., Ltd. | Refrigerator |
| US11549292B2 (en) | 2016-08-05 | 2023-01-10 | Qingdao Haier Joint Stock Co., Ltd. | Refrigerator |
| WO2019007274A1 (en) * | 2016-08-05 | 2019-01-10 | 青岛海尔股份有限公司 | Refrigerator |
| US11118384B2 (en) | 2016-08-05 | 2021-09-14 | Qingdao Haier Joint Stock Co., Ltd. | Refrigerator |
| US11078700B2 (en) | 2016-08-05 | 2021-08-03 | Qingdao Haier Joint Stock Co., Ltd. | Refrigerator |
| US11566458B2 (en) | 2016-08-05 | 2023-01-31 | Qingdao Haier Joint Stock Co., Ltd. | Refrigerator |
| CN107386843A (en) * | 2017-09-05 | 2017-11-24 | 合肥美菱股份有限公司 | A kind of door hinge case assembly |
| WO2019047547A1 (en) * | 2017-09-05 | 2019-03-14 | 深圳市金合联供应链技术有限公司 | Small-angle-closing hinge and washing machine intelligent silent hinge mechanism thereof |
| CN107386843B (en) * | 2017-09-05 | 2018-11-23 | 长虹美菱股份有限公司 | A kind of door hinge case assembly |
| CN110411126A (en) * | 2019-08-30 | 2019-11-05 | 长虹美菱股份有限公司 | A kind of limit chocking construction for refrigerator door |
| CN110748255A (en) * | 2019-10-21 | 2020-02-04 | 海信容声(广东)冰箱有限公司 | A kind of refrigerator |
| US11256289B2 (en) | 2020-02-11 | 2022-02-22 | Wistron Corporation | Rotatable door structure and electronic device casing therewith |
| TWI719847B (en) * | 2020-02-11 | 2021-02-21 | 緯創資通股份有限公司 | Rotatable door structure and electronic device casing therewith |
| CN113882773B (en) * | 2020-07-03 | 2022-08-23 | 青岛海尔电冰箱有限公司 | Fully-embedded refrigerator capable of increasing opening degree of refrigerator body |
| CN113882773A (en) * | 2020-07-03 | 2022-01-04 | 青岛海尔电冰箱有限公司 | Fully-embedded refrigerator capable of increasing opening degree of refrigerator body |
| CN111764777A (en) * | 2020-07-21 | 2020-10-13 | 青岛海容商用冷链股份有限公司 | Automatic door closing device and display cabinet |
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