CN1888364A - Top door opening electric refrigerator hinge device - Google Patents
Top door opening electric refrigerator hinge device Download PDFInfo
- Publication number
- CN1888364A CN1888364A CN 200510014286 CN200510014286A CN1888364A CN 1888364 A CN1888364 A CN 1888364A CN 200510014286 CN200510014286 CN 200510014286 CN 200510014286 A CN200510014286 A CN 200510014286A CN 1888364 A CN1888364 A CN 1888364A
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- Prior art keywords
- side cover
- shell
- rotating cam
- axle
- cam
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- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
Abstract
The present invention discloses a top door-opened type refrigerator hinge joint device. It includes the following several portions: external shell, side cover, shaft, rotary cam and slide cam. It is characterized by that on the described rotary cam, in the position where the rotary cam is tightly connected with the inside surface of said side cover several dispersive projections are formed, so that these dispersive projections can make the contacted area of said rotary cam with said side cover be relatively increased, and the elastic force of the spring can be dispersed, then transferred to the side cover, therefore the durability of said side cover can be raised.
Description
Technical field
The present invention relates to a kind of top door opening electric refrigerator hinge device, particularly relate to a kind of top door opening electric refrigerator hinge device that can increase side cover intensity.
Background technology
Refrigerator can be put into the long-time fresh-keeping purpose of its inner article according to preestablishing to reach to make with the temperature of keeping its inner space, so refrigerator has multiple pattern.The present invention is to be that content is set forth with the articulated mounting that is arranged on top door opening electric refrigerator door-hinge place.The door of top door opening electric refrigerator always towards the direction opposite with its gravity, is therefore opened at closing time and has been used articulated mounting as shown in Figure 1 in order to prevent the impact that is brought by its gravity when opening.Fig. 1 is the electric refrigerator hinge device STRUCTURE DECOMPOSITION stereogram of prior art.As shown in Figure 1, shell 1 constitutes the external structure of this articulated mounting, and it is round barrel shape substantially, and inside is formed with certain space.One side of shell 1 is provided with and is fixed in the analog bracket 3 that uses on the refrigerator.Analog bracket 3 fuses with shell 1, runs through on it to be formed with screw hole 3 '.The two ends of shell 1 are provided with the side cover 5 that can seal its inner space.Side cover 5 has the effect of fixed housing 1 internal part position as the critical piece of articulated mounting, its with shell 1 between use screw to be connected.Articulated mounting is provided with the axle 7 that extends to the outside from the inside of shell 1 by side cover 5.Axle 7 is centers of rotation of door, and it is connected carriage 9 from the inside of shell 1 by what side cover 5 extended that part-structure and door of refrigerator join.This shows that shell 1 part and refrigerator body are fixed together, and axle 7 is fixed together with door.Axle 7 can rotate with respect to shell 1, which is provided with rotating cam 8.Rotating cam 8 can unshownedly in the drawings be positioned under the spring action of shell 1 inside and move with the direction of sliding cam to side cover 5, thereby makes spring generation elastic deformation.Therefore, the motion of axle 7 can make rotating cam 8 and sliding cam interlock, to produce the power that stops the axle motion, just produces the damping force with respect to door.But there is following problem in the articulated mounting of this prior art: the elastic force of spring is to pass to side cover 5 by sliding cam on the axle 7 and rotating cam 8, when rotating cam 8 contacts with side cover 5, the elastic force lifting surface area of spring is less relatively, finally causes so the crack occurs easily as shown in Figure 1 on side cover 5 damaging.For big capacity refrigerator, because the weight of door is bigger with respect to the elastic force of spring, thereby the damage problem of side cover 5 is more outstanding especially.In order to address this problem the material side cover 5 that needs working strength higher, but cost of production is raise.
Summary of the invention
In order to address the above problem, to the object of the present invention is to provide a kind of spring force that produces damping force can being distributed in other each annex effectively, thereby can increase the top door opening electric refrigerator hinge device of side cover intensity.
In order to achieve the above object, top door opening electric refrigerator hinge device provided by the invention comprises: at least one end is formed with opening, and has the shell of inner space; Can close the side cover in enclosure space; Connect side cover and the inside and outside of shell is connected, and the axle that can rotate with respect to shell; Can rotate with axle, and a side closely is connected with the medial surface of side cover, and is formed with the rotating cam of cam surface on the another side; And contact with the cam surface of rotating cam, and can with the rotating cam interlock, and can rely on the elastic force of spring to carry out straight-line sliding cam in the inside of shell; Position with side cover medial surface close proximity on the described rotating cam is formed with a plurality of dispersion projections.
Described rotating cam is centered around on the outer axial face of axle and forms one with it, and disperses a side of projection to contact with the medial surface of side cover, thereby can pass to side cover after the elastic force dispersion with spring.
Described a plurality of dispersion projection is centered around on the outer axial face of rotating cam, and has each other at interval.
Described axle, rotating cam, sliding cam and spring are symmetrical arranged at the two ends, inside of shell.
Described axle connects side cover and extends to housing exterior and form the carriage that is connected that can link to each other with arbitrary parts in refrigerator fuselage or the door, the analog bracket on the shell then be connected the refrigerator fuselage opposite with connecting the carriage link or in another parts on.
The position that relies on the spring force effect to contact with side cover on the described dispersion projection is positioned at or abuts against the position that side cover is connected with shell.
Top door opening electric refrigerator hinge device provided by the invention is to utilize the dispersion projection be formed on the rotating cam to increase rotating cam is relative with the contact area of side cover, thereby pass to side cover again after the elastic force dispersion with spring, thereby can improve the durability of side cover.In addition, obtain disperseing owing to act on elastic force on the side cover, thereby will become relatively easily, thereby can reduce the cost of production of side cover the design of side cover.
Description of drawings
Below in conjunction with the drawings and specific embodiments top door opening electric refrigerator hinge device provided by the invention is elaborated.
Fig. 1 is the electric refrigerator hinge device STRUCTURE DECOMPOSITION stereogram of prior art.
Fig. 2 is the top door opening electric refrigerator structure stereogram that articulated mounting provided by the invention is installed.
Fig. 3 is an articulated mounting partial structurtes exploded perspective view provided by the invention.
Fig. 4 is an articulated mounting significant points sectional view provided by the invention.
Critical piece label in the accompanying drawing:
20: articulated mounting 22: shell 24: inner space
26: brake 30: analog bracket 32: screw hole
34: side cover 35: through hole 36: screw hole
37: axle bush 40: axle 44: rotating cam
45: wheel axial plane 46: supporting surface 48: disperse projection
50: sliding cam 52: cam surface 54: guide thread
60: spring
The specific embodiment
Fig. 2 is the top door opening electric refrigerator structure stereogram that articulated mounting provided by the invention is installed.Fig. 3 is an articulated mounting partial structurtes exploded perspective view provided by the invention.Fig. 4 is an articulated mounting significant points sectional view provided by the invention.As Fig. 2～shown in Figure 4, the inside of refrigerator fuselage 10 is formed with not shown storage space.Described storage space forms opening on the top of refrigerator fuselage 10, and can come opening and closing by door 12.Described door 12 is arranged on the refrigerator fuselage 10, and it opens and closes by the following hinge means that will illustrate 20.It is door of refrigerator 12 is realized opening and closing by the hinge means 20 that is connected upper end, refrigerator fuselage 10 back sides and door 12 rear ends function.The rear end, bottom of refrigerator fuselage 10 is provided with Machine Room 14, and Machine Room 14 is sealed by bonnet 16, just can't see its inside from the outside like this.The effect of hinge means 20 is that door 12 rotatably is connected on the refrigerator fuselage 10, and it constitutes as shown in Figure 3 and Figure 4.Wherein, shell 22 constitutes the external structure of hinge means 20, and it is formed by the synthetic resin casting.Shell 22 is for to have the hollow drum shape of certain-length, and its inside is formed with inner space 24.Inner space 24 connects shell 22 along its length and forms, and the position, intermediate portion is provided with brake 26.Brake 26 has the effect of spring 60 1 ends that will illustrate below supporting.Brake 26 is close to the inner surface of inner space 24, and its diameter is identical with the diameter of spring 60.Be formed with a plurality of slideways 28 on the inner surface of inner space 24 along its length with certain-length.The effect of slideway 28 is guide thread 54 of the sliding cam 50 that will illustrate below the guiding.The external surface of shell 22 and analog bracket 30 form one.Analog bracket 30 is to give prominence to and form from the external surface of shell 22, and its length direction along shell 22 extends, and which is provided with a plurality of screws 32.Screw 32 is used for utilizing screw at refrigerator fuselage 10 on shell 22.The two ends of shell 22 are provided with the side cover 34 that is used for closed interior space 24.Side cover 34 and the corresponding formation of the inlet of inner space 24 are so that it can cover the inlet of inner space 24.The centre of side cover 34 is formed with through hole 35.The axle 40 that will describe below can passing in the through hole 35.Be formed with a plurality of screw holes 36 of utilizing screw to link to each other with shell 22 of being used on the side cover 34, it is generally made by synthetic resin or alloy such as ABS.The axle 40 that the inside of through hole 35 will illustrate below is provided with axle bush 37 with the position that side cover 34 rubs mutually.Axle bush 37 can make axle 40 be rotated neatly with respect to side cover 34.Axle 40 can rotate for shell 22 relatively as the center of rotation of door 12, and its major part is arranged in the inner space 24 of shell 22, and is provided with according to the center of inner space 24.Axle 40 passes side cover 34 and extends and be formed with and connect carriage 42 to the outside direction of shell 22.Connecting carriage 42 is the positions that join with door 12, is formed with on it and door 12 connecting holes that join 43.The position that axle is arranged in housing 22 inner spaces 24 on 40 is formed with the rotating cam 44 with its formation one.One side of rotating cam 44 is formed with the spiral axial plane 45 of taking turns, its can with cam surface 52 interlocks of the following sliding cam that will illustrate 50, thereby sliding cam 50 can be moved along the length direction of housing 22.Be formed with supporting surface 46 in a side opposite on the rotating cam 44 with wheel axial plane 45.Supporting surface 46 can touch with through hole 35 side edge on the side cover 34.Along with moving back and forth of rotating cam 44, supporting surface 46 will contact with through hole 35 inner peripheral surfaces on the side cover 34 and edge and produce friction.In addition, be formed with dispersion projection 48 on the rotating cam 44.Disperseing projection 48 is radially to extend from the supporting surface 46 inside circumference faces of rotating cam 44 and form.Dispersion projection 48 in the present embodiment is the interval formation with 180 °.Certainly, said here dispersion projection can form with multiple interval according to design condition, for example can 120 ° or 90 ° interval form.The effect of described dispersion projection 48 is to disperse rotating cam 44 to impose on the active force of side cover 34.Can make so promptly that rotating cam 44 is relative with the contact area of side cover 34 to be increased, thereby the power that rotating cam 44 imposes on side cover 34 is disperseed.In the present embodiment, disperseing projection 48 is that outer circumference surface shape according to rotating cam 44 forms hexahedron substantially, but disperses projection 48 to contact with the inboard of side cover 34 with the effect of dissipation of ferees and its shape without any relation.For instance, closing door at 12 o'clock, disperse projection 48 be in side cover 34 on screw hole 36 corresponding positions or around it, therefore, because disperse the effect of projection 48, the power that imposes on side cover 34 will be passed to firm relatively position, thereby can prevent that damaging from appearring in side cover 34.Be provided with sliding cam 50 in the inner space 24 of shell 22.Sliding cam 50 can carry out the straight line back and forth movement by the length direction along shell 22 in fixed interval in inner space 24.The center that connects sliding cam 50 is formed with through hole 51, and the part-structure of axle 40 can insert in the through hole 51, and portion rotates within it.One side of sliding cam 50 is formed with cam surface 52 on promptly relative with rotating cam 44 side.Cam surface 52 contacts with the wheel axial plane 45 of rotating cam 44, thereby the rotation of rotating cam 44 just can impel sliding cam 50 to carry out rectilinear motion.Be formed with the guide thread 54 that can move along slideway 28 on the sliding cam 50.Guide thread 54 can be carried out straight reciprocating motion by guided slidable cam 50.Be provided with spring 60 between sliding cam 50 and the brake 26.Spring 60 is a helical spring, it can push sliding cam 50 to rotating cam 44 directions, so that the cam surface 52 of the wheel axial plane 45 of rotating cam 44 and sliding cam 50 is in contact with one another, thereby the switching speed that under the elastic force effect of spring 60, suppresses door 12, damping force when switch being provided promptly for door 12 can prevent that particularly door 12 from closing suddenly.
Effect to top door opening electric refrigerator hinge device provided by the invention is described in detail below.Analog bracket 30 on the articulated mounting 20 provided by the invention is to be connected on the refrigerator fuselage 10 by screw, and connects carriage 42 and also can be connected with 12 by screw, then door 12 is connected on the refrigerator fuselage 10.Certainly, be connected to a prefabricated unit that also can use other at 12 o'clock, connection carriage 42 is connected on the door 12 more securely connecting carriage 42.More satisfactory is covers in the position that is connected that connects carriage 42 and door 12 with other lid, and such words just can't be seen this position from the outside.Articulated mounting 20 can make door 12 rotate with respect to refrigerator fuselage 10, and can open and close storage space.That is, when user's shutter door 12, the axle 40 that links to each other with door 12 can rotate with respect to shell 22.At this moment, the rotating cam 44 with axle 40 formation one will together rotate with axle 40.Because the wheel axial plane 45 of rotating cam 44 and sliding cam 50 closely contacts under the elastic force effect of spring 60 mutually with cam surface 52, thereby can prevent that thus door 12 from opening and closing suddenly hindering the direction generation active force that axle 40 rotates.That is, when axle 40 rotations, rotating cam 44 also will together rotate with it, thereby make the wheel axial plane 45 of rotating cam 44 and cam surface 52 interlocks of sliding cam 50.At this moment, rotating cam 44 will rotate in the inside of shell 22, thereby makes sliding cam 50 carry out rectilinear motion in the inside of shell 22.That is, sliding cam 50 is towards making spring 60 that the direction motion of elastic deformation take place, and therefore, door 12 can not closed suddenly owing to be subjected to the effect of spring 60 elastic force, but closes with a certain speed.In the present embodiment, when closing door 12 the time, sliding cam 50 can make spring 60 move to elastically-deformable direction takes place.That is, this operation can be with spring 60 compressions.In addition, in the present invention, the elastic force of spring 60 is to send side cover 34 to by sliding cam 50 and rotating cam 44.Because rotating cam 44 is being provided with dispersion projection 48 with side cover 34 contacted supporting surfaces 46 inboards, therefore, side cover 34 is understood relative increase with the contact area of rotating cam 44, so just can make the elastic force of spring 60 after disperseing, pass to side cover 34 again, the pressure that acts on the side cover 34 is reduced relatively.In addition, the axle 40 in the present embodiment is to extend to the two ends of shell 22, but also can be designed to the structure that only goes out to a distal process.That is, each axle 40, sliding cam 50 and spring 60 all are provided with 2 in the present embodiment, but these parts also can only be provided with one.And the analog bracket 30 of shell 22 is to be connected on the refrigerator fuselage 10 in the present embodiment, and the connection carriage 42 on the axle 40 then is connected on the door 12, but also can opposite mode install.
Claims (6)
1, a kind of top door opening electric refrigerator hinge device comprises that at least one end is formed with opening, and has the shell (22) of inner space (24); Can close the side cover (34) of shell (22) inner space (24); Connect side cover (34) and with inside and outside being connected of shell (22), and the axle (40) that can rotate with respect to shell (22); Can rotate with axle (40), and a side closely is connected with the medial surface of side cover (34), and is formed with the rotating cam (44) of taking turns axial plane (45) on the another side; And contact with the wheel axial plane (45) of rotating cam (44), and can with rotating cam (44) interlock, and can rely on the elastic force of spring (60) to carry out straight-line sliding cam (50) in the inside of shell (22); It is characterized in that: described rotating cam (44) is gone up and the position of side cover (34) medial surface close proximity is formed with a plurality of dispersion projections (48).
2, top door opening electric refrigerator hinge device according to claim 1, it is characterized in that: described rotating cam (44) is centered around on the outer axial face of axle (40) and forms one with it, and disperse a side of projection (48) to contact, thereby pass to side cover (34) after the elastic force of spring (60) can being disperseed with the medial surface of side cover (34).
3, top door opening electric refrigerator hinge device according to claim 1 and 2 is characterized in that: described a plurality of dispersion projections (48) are centered around on the outer axial face of rotating cam (44), and have each other at interval.
4, top door opening electric refrigerator hinge device according to claim 3 is characterized in that: described axle (40), rotating cam (44), sliding cam (50) and spring (60) are symmetrical arranged at the two ends, inside of shell (22).
5, top door opening electric refrigerator hinge device according to claim 4, it is characterized in that: described axle (40) connect side covers (34) extend to shell (22) outside and form can link to each other with arbitrary parts in refrigerator fuselage (10) or the door (12) be connected carriage (42), the analog bracket (30) on the shell (22) then is connected on another parts in the refrigerator fuselage (10) opposite with connecting carriage (42) link or (12).
6, top door opening electric refrigerator hinge device according to claim 5 is characterized in that: described dispersion projection (48) go up to rely on position, the position hand that spring (60) elastic force effect contacts with side cover (34) or abuts against the position that side cover (34) is connected with shell (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510014286XA CN1888364B (en) | 2005-06-30 | 2005-06-30 | Top door opening electric refrigerator hinge device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510014286XA CN1888364B (en) | 2005-06-30 | 2005-06-30 | Top door opening electric refrigerator hinge device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1888364A true CN1888364A (en) | 2007-01-03 |
| CN1888364B CN1888364B (en) | 2011-04-20 |
Family
ID=37577652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200510014286XA Expired - Fee Related CN1888364B (en) | 2005-06-30 | 2005-06-30 | Top door opening electric refrigerator hinge device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1888364B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009109878A1 (en) * | 2008-03-05 | 2009-09-11 | Indesit Company S.P.A. | Household refrigerating appliance |
| CN101231114B (en) * | 2007-01-25 | 2011-07-13 | 泰州乐金电子冷机有限公司 | Hinge device for kraut refrigerator |
| CN102292511A (en) * | 2009-11-25 | 2011-12-21 | 东祐精密株式会社 | Hinge apparatus for a door |
| US20130081228A1 (en) * | 2011-09-30 | 2013-04-04 | Itt Manufacturing Enterprises, Inc. | Rotary hinge with adjustable damping assembly |
-
2005
- 2005-06-30 CN CN200510014286XA patent/CN1888364B/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101231114B (en) * | 2007-01-25 | 2011-07-13 | 泰州乐金电子冷机有限公司 | Hinge device for kraut refrigerator |
| WO2009109878A1 (en) * | 2008-03-05 | 2009-09-11 | Indesit Company S.P.A. | Household refrigerating appliance |
| EP2672209A1 (en) * | 2008-03-05 | 2013-12-11 | Indesit Company S.p.A. | Household refrigerating appliance |
| CN102292511A (en) * | 2009-11-25 | 2011-12-21 | 东祐精密株式会社 | Hinge apparatus for a door |
| US20130081228A1 (en) * | 2011-09-30 | 2013-04-04 | Itt Manufacturing Enterprises, Inc. | Rotary hinge with adjustable damping assembly |
| US8745820B2 (en) * | 2011-09-30 | 2014-06-10 | Itt Manufacturing Enterprises Llc | Rotary hinge with adjustable damping assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1888364B (en) | 2011-04-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: TAIZHOU LG ELECTRONICS FREEZER CO., LTD. Free format text: FORMER OWNER: LG ELECTRONICS ( TIANJIN ) ELECTRICAL APPLIANCES CO., LTD. Effective date: 20091225 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20091225 Address after: 2, Yingbin Road, Taizhou Economic Development Zone, 225300 Applicant after: Taizhou LG Electronics Refrigerator Co., Ltd. Address before: Beichen District, Tianjin Xing Dian Highway Code: 300402 Applicant before: Lejin Electronic and Electric Appliance Co., Ltd. (Tianjin) |
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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: 20110420 Termination date: 20120630 |