CN101283229B - Damper and home-bar door apparatus for refrigerator using the same - Google Patents

Damper and home-bar door apparatus for refrigerator using the same Download PDF

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Publication number
CN101283229B
CN101283229B CN200680034372XA CN200680034372A CN101283229B CN 101283229 B CN101283229 B CN 101283229B CN 200680034372X A CN200680034372X A CN 200680034372XA CN 200680034372 A CN200680034372 A CN 200680034372A CN 101283229 B CN101283229 B CN 101283229B
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CN
China
Prior art keywords
home
bar door
damper
opening
rotary part
Prior art date
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Expired - Fee Related
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CN200680034372XA
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Chinese (zh)
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CN101283229A (en
Inventor
金应洙
赵元翊
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LG Electronics Inc
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LG Electronics Inc
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Filing date
Publication date
Priority claimed from KR1020060024955A external-priority patent/KR100756702B1/en
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Priority claimed from PCT/KR2006/003758 external-priority patent/WO2007035049A1/en
Publication of CN101283229A publication Critical patent/CN101283229A/en
Application granted granted Critical
Publication of CN101283229B publication Critical patent/CN101283229B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D25/00Charging, supporting, and discharging the articles to be cooled
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D11/00Self-contained movable devices, e.g. domestic refrigerators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00General constructional features
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2323/00General constructional features not provided for in other groups of this subclass
    • F25D2323/02Details of doors or covers not otherwise covered
    • F25D2323/023Door in door constructions

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Refrigerator Housings (AREA)

Abstract

The present invention relates to a home-bar door apparatus for a refrigerator. The home-bar door apparatus includes a home-bar door (30) that selectively opens or closes an opening (22) formed in a home-bar frame (20) and has rotational shafts (34) protruding at both sides of a lower portion thereof and a catching step (35) formed along a lower end thereof, dampers (36) that is installed on a rear face of the home-bar frame (20) and controls an opening/closing speed of the home-bar door (30) by receiving the rotational shafts (34) of the home-bar door (30) therein so that the rotational shafts (34) of the home-bar door (30) can be relatively rotated, and a stop rib (26) that is formed laterally along a lower end of a groove (23) formed around a periphery of the opening (22) and has stopping steps (27) formed at positions corresponding to both ends of a catching step (35) of the home-bar door (30) so that the catching step (35) can be caught by the stopping steps. The home-bar door apparatus for a refrigerator according to the present invention constructed as such has advantages in that the dampers can be more securely installed and the stopping structures for regulating the degree of opening of the home-bar door are positioned at the both ends of the home-bar door so that the center of rotation of the home-bar door can be securely maintained.

Description

The home-bar door apparatus for refrigerator of damper and this damper of use
Technical field
The present invention relates to a kind of refrigerator, relate more specifically to be used to open or close the home-bar door apparatus of home-bar and the damper that in described home-bar door apparatus, uses, wherein, during described home-bar door apparatus allows under the situation of not opening refrigerator doors memory spaces of packing into such as beverages or in memory space, take out.
Background technology
Fig. 1 is the stereogram that the outward appearance of general refrigerator is shown.According to this figure, in the body 1 of refrigerator, be formed with the memory space (not shown).By vertical setting the munnion (not shown) and memory space is divided into the refrigerating chamber in left side and the refrigerating chamber on right side, wherein said munnion separates in the centre of body 1 inside with body 1.
Open or close refrigerating chamber and refrigerating chamber by door 3 and 3 ' respectively.At the two side ends place in body 1 front, in top part and bottom part by hinge component 5 can the pivot mode to support door 3 and 3 '.Also be provided with handle 7 to open or close door on the door 3 and 3 '.
In being used to open or close the door 3 ' of refrigerating chamber, be provided with home-bar 10.Home-bar 10 allows to pack under the situation of not opening door 3 ' or take out the storage thing.With reference to the structure of home-bar 10 as can be known, rectangle home-bar frame 12 is installed in and runs through in the opening that door 3 ' forms.Can by the central opening of home-bar frame 12 pack into or take out the storage thing.Open or close this opening by home bar door 14.Thereby home bar door 14 forms has the shape that can place opening.Certainly, in family expenses bar door 14, be formed with thermal insulation layer.
The rotating shaft (not shown) that the upper end winding of home bar door 14 is put at place, two ends, family expenses bar door bottom is rotated down about 90 degree to open opening.In order to prevent that home bar door 14 from throwing open, and also used the damper (not shown).
But the home-bar door apparatus of conventional refrigerator has following problem.
That is, the rotating shaft that is used as the pivot of home bar door 14 stretches out from damper generally, and damper is installed in the inboard of home bar door 14.Thereby, because the rotating shaft of damper is installed in the home-bar frame 12 thereby fully supports the load of home bar door 14, so exist its coupled situation can be because the switching of home bar door 14 is impacted or use for a long time and d/d problem.
In addition, be installed in internally at damper under the situation at two ends of bottom part of home bar door 14, stop configurations must be arranged on the central corresponding position with the bottom part of home bar door 14, thereby supports home bar door by home-bar frame 12 when family expenses bar door 14 is opened.Therefore, the inevitable two ends of stop configurations, thereby the problem that exists the support strength at the two ends of home bar door 14 to be weakened relatively away from home bar door 14.
And, as the shaft structure of the pivot of home bar door 14 for from the prior art that damper stretches out, in case exist rotating shaft to damage then must change the problem of whole damper owing to the load of home bar door 14.
In addition, also there are the following problems for prior art: when family expenses bar door 14 is in closed condition, because the inside and outside differential pressure of memory space, and be positioned at home bar door 14 the back side pad and be positioned at adhesive force between the pad at home-bar frame 12 places, making needs bigger power when opening home bar door at first.
Summary of the invention
[technical problem]
The present invention is intended to address the above problem.The installment state that the object of the present invention is to provide more reliable damper is to carry out the opening of home bar door smoothly.
The stop configurations that another object of the present invention is to be used to adjust the aperture of home bar door is positioned at the place, two ends of home bar door.
A further object of the present invention is to strengthen the durability and the replaceability of the parts of home-bar door apparatus.
Another purpose of the present invention is stably to control the opening/closing speed of home bar door.
[technical scheme]
According to the one aspect of the present invention that is used to realize described purpose, a kind of home-bar door apparatus that is used for refrigerator is provided, comprising: the home-bar frame, it is installed on refrigerator doors and has the opening that runs through himself central portion and form; Home bar door, it is provided for optionally opening or closing described opening and has rotating shaft as pivot, and described rotating shaft stretches out from the two ends of described home bar door bottom; Damper, its back that is installed on described home-bar frame is to control the opening/closing speed of described home bar door, and the rotating shaft of described home bar door inserts described damper and rotates with respect to described damper; And, the damper support, it is installed in the back of described home-bar frame with described damper.
Preferably, be formed with the damper installing plate, described damper installing plate forms in place, the two ends extension of each described damper and makes that the extensional surface of described damper installing plate is orthogonal.
Preferably, in each described damper support, be provided with will with the tight contact site that contacts later of described home-bar frame, and described tight contact site comprises with described damper installing plate and is fastened to the first rear portion mount pad and sidepiece mount pad on the described home-bar frame.
Preferably, described damper support further is provided with the second rear portion mount pad on the back that is installed to described home-bar frame.
Preferably, be formed with at the place, two ends and have the stop rib of backstop step, described stop rib forms the bottom broad ways of the groove in being formed at described home-bar frame and extends, lower end in described home bar door is formed with the joint step corresponding to described stop rib, thus the aperture when adjusting described home bar door and opening fully.
Preferably, described damper comprises: damper body wherein is formed with accommodation space; Cover plate, its side that is installed on described damper body are covering described accommodation space, and it has the attachment recess that is formed in its inner surface; Rotary part, it is inner and rotate with the rotating shaft of described home bar door that it is installed in described accommodation space; Elastic component is used for providing elastic force in the initial opening stage and the last opening stage of described rotary part; The fixed guide plate, it is fixed in described cover plate, and an end of described elastic component is fixed in described fixed guide plate; Movable guided plate, it is installed in the face of described fixed guide plate and described elastic component places between described movable guided plate and the described fixed guide plate, the other end of described elastic component is fixed in described movable guided plate optionally to move with described rotary part, wherein, in described accommodation space, be filled with damping fluid.
Preferably, described rotary part comprises that the axle with insertion section connects protuberance, and the rotating shaft of described home bar door is connected to described axle insertion section, and described fixed guide plate, described movable guided plate and described elastic component are passed in described axle insertion section.
Preferably, the surface that the described axle of the formation of described rotary part connects protuberance is provided with otch, described otch has the first wall and second wall that is formed on its two ends, described first wall and described second wall optionally engage the movable end of described elastic component, thus described rotary part and described movable guided plate optionally one move.
Preferably, the through hole of the central authorities' formation that connects described cover plate is passed to exposing outside in a described axle insertion section that connects in the protuberance that is formed on described rotary part.
Preferably, one of them projection at least of the rotating shaft of described home bar door and support along the direction that described rotating shaft projects into outside the described home bar door by spring.
According to the another aspect of the present invention that is used to realize described purpose, a kind of damper is provided, it comprises: damper body, it is formed with accommodation space, is filled with damping fluid in the described accommodation space; Cover plate, its side that is installed on described damper body are covering described accommodation space, and it has the attachment recess that is formed in its inner surface; Rotary part, it is installed in described accommodation space inside in rotatable mode and has and passes described cover plate to the axle connection protuberance that exposes outside; Elastic component, be used for initial opening stage of described rotary part along opening direction and providing elastic force along closing direction in the last opening stage of described rotary part; The fixed guide plate, it is fixed in described cover plate, and an end of described elastic component is fixed in described fixed guide plate; Movable guided plate, it is installed in the face of described fixed guide plate and described elastic component places between described movable guided plate and the described fixed guide plate, and the other end of described elastic component is fixed in described movable guided plate optionally to move with described rotary part.
Preferably, the present invention further comprises the damper installing plate on the outer surface that is arranged on described damper body, and wherein, described damper installing plate extends in opposite direction from the two ends of described damper body and makes that its extensional surface is orthogonal.
Preferably, the surface that the described axle of the formation of described rotary part connects protuberance is provided with otch and described otch has the first wall and second wall that is formed on its two ends, make the other end of described elastic component optionally to contact with second wall with described first wall, described thus rotary part and described movable guided plate optionally one move.
Preferably, the axle of described rotary part connects the central authorities that protuberance passes described fixed guide plate, described elastic component, described movable guided plate and described cover plate, and is formed with an insertion section in described axle connection protuberance.
Preferably, stretch out the separation step from the bottom of the accommodation space of described damper body, between described separation step, be formed with cam surface, and the surface corresponding to described cam surface of described rotary part is provided with the separation step, thereby produces damping action by damping fluid.
Preferably, each centre of described fixed guide plate and described movable guided plate all has protuberance and passes the hole, and the periphery projection of passing the hole around described protuberance has tab, and, it is porose to pass one of them formation of described tab, makes the engaged at end of described elastic component in described hole.
Preferably, described elastic component comprises torque spring, and described torque spring comprises cylindrical body and is arranged on stiff end and movable end in hole two ends places, that will be stuck in described fixed guide plate and described movable guided plate of described cylindrical body.
Preferably, be formed with oil filler point in described damper body, with described accommodation space and external communications, and securing member is fastened on the described oil filler point to block described oil filler point.
[beneficial effect]
According to the present invention, damper firmly can be installed in home-bar frame place, the two ends that the stop configurations that is used to adjust the aperture of home bar door is positioned at home bar door make it possible to more firmly keep the pivot of home bar door, and can stably control the opening/closing speed of home bar door.
In addition, the damper that is used for home bar door of the present invention was beneficial in the initial opening stage opens home bar door, prevented that also in the end opening stage is suddenly opened home bar door owing to the weight of home bar door self, thereby strengthened the operating reliability of home bar door.
Description of drawings
Fig. 1 is the stereogram that the outward appearance of the refrigerator that is provided with the conventional domestic bar door apparatus is shown.
Fig. 2 illustrates the exploded perspective view of home-bar door apparatus according to the preferred embodiment of the present invention.
Fig. 3 is the stereogram that illustrates according to the rear side of the home-bar frame of embodiment of the present invention.
Fig. 4 is the sectional block diagram that the stop configurations of the aperture that is used to adjust home bar door in the embodiment of the present invention is shown.
Fig. 5 illustrates the stereogram that is formed on the backstop step in the home-bar frame in the embodiment of the present invention.
Fig. 6 and Fig. 7 be illustrate in the embodiment of the present invention damper and as the exploded perspective view of the rotating shaft of the pivot of home bar door.
Fig. 8 is the view that the mode of operation of the aperture of passing through backstop step adjustment home bar door in the embodiment of the present invention is shown.
Fig. 9 is the exploded perspective view that the damper in the embodiment of the present invention is shown.
Figure 10 is the top perspective view of rotary part that the damper of Fig. 9 is shown.
Figure 11 is the face upwarding stereogram of rotary part that the damper of Fig. 9 is shown.
Figure 12 is the stereogram of fixed guide plate that the damper of Fig. 9 is shown.
Figure 13 is the stereogram of movable guided plate that the damper of Fig. 9 is shown.
Figure 14 is the stereogram of spring that the damper of Fig. 9 is shown.
The mode of operation of the damper of the Fig. 9 when Figure 15 illustrates home bar door and closes.
The specific embodiment
With reference to Fig. 2 to Fig. 8, home-bar frame 20 is made for the form of essentially rectangular frame.Home-bar frame 20 is mounted in the front upper of refrigerator doors and exposes with dividing.Central authorities at family expenses bar frame 20 form rectangular aperture 22.By opening 22 pack into or take out the storage thing.Periphery along opening 22 forms the groove 23 (Fig. 4) of comparing indent with the front of home-bar frame 20.Groove 23 forms the front that makes that home-bar frame 20 is crossed in the not projection of front (will be described below) of home bar door 30, or the front of the external door of the front that defines refrigerator doors is crossed in not projection.
Around the groove 23 that is positioned at opening 22 peripheries pad 24 is installed.Pad 24 is forced into the back (will be described below) of home bar door 30 to prevent that cold air from passing through opening 22 and leaking.
Along the lower end corresponding part of groove 23 with home-bar frame 20---promptly, in the position spaced apart with the lower limb of opening 22---form stop rib 26.Stop rib 26 linear projections and horizontal expansion in the groove 23 of family expenses bar frame 20.As clearly shown in Figure 5, be in formation backstop step 27 on the lower surface at the two ends of stop rib 26.Backstop step 27 is more outstanding compared to other parts, and backstop step 27 is the parts that contact with the joint step 35 (will be described below) of home bar door 30.Backstop step 27 is used to adjust the aperture of home bar door 30.
The periphery of home bar door 30 is placed in the groove 23, to open or close opening 22.The shape of home bar door 30 is corresponding with the shape of opening 22, thereby is rectangular shape in the present embodiment.Be similar to refrigerator doors, be formed with thermal insulation layer in the home bar door 30.Central authorities on the back of family expenses bar door 30 are provided with hook 32.Hook 32 is used for home bar door 30 and home-bar frame 20 are linked.In the groove 23 of family expenses bar frame 20, be formed with and connect recess 32 ' with corresponding with hook 32.
Be arranged on the two ends of home bar door 30 bottoms as the rotating shaft 34 of pivot.One of them rotating shaft 34 is clearly shown that in Fig. 6 and Fig. 7, and rotating shaft 34 has circular cross section and its two ends are provided with key surface.The shape of rotating shaft 34 makes can rotate between home bar door 30 and the damper 36 (will be described below) relatively.Rotating shaft 34 is arranged on the both sides of home bar door 30.One of them rotating shaft 34 is supported by spring on the direction of home bar door 30 outside projections at it.This is beneficial to home bar door 30 is assembled on the home-bar frame 20.Rotating shaft 34 is mounted to and outwards stretches out from home bar door 30 inside and be removable.
Lower end along home bar door 30 forms the joint step 35 that has than minimal thickness, knows as Fig. 4 to illustrate.Engaging step 35 engages with stop rib 26 to adjust the aperture of home bar door 30.
Damper 36 is configured in the damper body 36 ' that defines the damper outward appearance can rotary part 37 being installed counterrotating mode.Damper body 36 ' comprises the structure that is used to disturb the rotation of rotary part 37 and home bar door 30 is rotated relatively slowly when rotating with rotary part 37.This operation can and use particular organization to realize by fill fluid in damper body 36 ' simultaneously.
In rotary part 37, be formed with the axle insertion section 37 ' identical, cross section with the cross section of rotating shaft 34.Rotating shaft 34 is inserted in the insertion section 37 ', makes home bar door 30 and rotary part 37 rotate integratedly.Be provided with damper installing plate 38 in the damper 36.This damper installing plate 38 is used for damper 36 is fixed to home-bar frame 20.Damper installing plate 38 extends in opposite direction from the two ends of damper 36 and makes that the extensional surface of damper installing plate is orthogonal.
Be installed at damper under the state on the back of home-bar frame 20, damper 36 links by peristome in the sidewall that is formed on groove 23 and rotating shaft 34.Damper 36 is configured to adjust the aperture of rotary part 37 with respect to damper body 36 '.That is, rotary part 37 is constructed to be permeable to respect to about 89 degree of damper body 36 ' rotation.Certainly, can there be approximately ± 1 error of degree.
Damper support 40 has strengthened being installed in the installment state of the damper 36 on the home-bar frame 20.For this purpose, on damper support 40, be provided with tight contact site 41.Closely contact site 41 closely contacts with the back of home-bar frame 20.Closely contact site 41 is formed with the first rear portion mount pad 43 and the second rear portion mount pad 43 '.The first rear portion mount pad 43 and the second rear portion mount pad 43 ' are fastened on the back of home-bar frame 20 by screw.The first rear portion mount pad 43 and the second rear portion mount pad 43 ' form and make their extensional surface orthogonal.
Sidepiece at the contiguous first rear portion mount pad 43 is formed with sidepiece mount pad 45.Sidepiece mount pad 45 is installed on the side surface of home-bar frame 20.The surface of the surface of sidepiece mount pad 45 and the first rear portion mount pad 43 forms orthogonal.
To describe in detail below as above structure according to the operation that is used for the home-bar door apparatus of refrigerator of the present invention.
In the present invention, damper 36 is installed on the back of home-bar frame 20.That is, by damper installing plate 38 being connected on the corresponding part in back with the back of groove 23 and home-bar frame 20 fixedly damper 36.
Damper support 40 back that the home-bar frame 20 of damper 36 has been installed mounted thereto.The tight contact site 41 of damper support 40 closely contacts with the back of home-bar frame 20 (corresponding to groove 23), and the first rear portion mount pad 43 is installed on the back of home-bar frame 20 together with one of them damper installing plate 38, and the second rear portion mount pad 43 ' directly is connected in home-bar frame 20.
Be installed to as described above at damper 36 under the state of home-bar frame 20, home bar door 30 is installed on the home-bar frame 20.At this moment, the axle insertion section 37 ' of damper 36 pass each groove that is arranged in home-bar frame 20 23 downside peristome and expose from peristome.The rotating shaft 34 of home bar door 30 inserts in the axle insertion section 37 '.Be subjected to the elastic force that spring applies one of in the rotating shaft 34 and stretch out home bar door 30.Therefore, in the elastic force that overcomes spring and when pushing by spring-supported rotating shaft 34, another rotating shaft 34 is inserted in the insertion section 37 '.So home bar door 30 is moved to by spring-supported rotating shaft can insert position in the corresponding axle insertion section 37 '.
Fig. 4 show that home bar door 30 is installed on home-bar frame 20 and around rotating shaft 34 rotation to close the state of opening 22.At this moment, the back of home bar door 30 closely contacts to prevent that cold air is from leaking between home bar door 30 and the home-bar frame 20 with pad 24.The hook 32 of home bar door 30 is arranged in the connection recess 32 ' of home-bar frame 20 to keep the closed condition of home bar door 30.
Under such state, when hook 32 being withdrawed from from connect recess 32 ' when opening home bar door 30, home bar door 30 is because user's pulling force or himself weight and around rotating shaft 34 rotations.
At this moment, damper 36 can suddenly not open or close home bar door 30.That is, because damper body 36 ' has been disturbed the rotation of rotary part 37, rotary part 37 is with the opening/closing speed of lower speed rotation with control home bar door 30.
Therebetween, when family expenses bar door 30 was opened fully, the joint step 35 of home bar door 30 engaged with the stop rib 26 of home-bar frame 30.Certainly, the aperture of home bar door 30 is adjusted by damper 36, but stop rib 26 and joint step 35 are also adjusted the aperture of home bar door 30.
Particularly, engage step 35 and contact, to adjust the aperture of home bar door 30 with the backstop step that is formed on place, stop rib 26 two ends.Like this, owing to home bar door 30 is supported by backstop step 27 at its place, two ends, so home bar door 30 can more firmly remain on open mode.Such state clearly is shown among Fig. 8.
[invention pattern]
The embodiment that can be applicable to according to the damper of home-bar door apparatus of the present invention is described now with reference to Fig. 9 to Figure 14.
The damper 100 of present embodiment comprises roughly hexahedral damper body 102.In damper body 102, form columniform accommodation space 104.Accommodation space 104 opens wide in a side of damper body 102.Run through that side relative and be formed with oil filler point 106 with the opening of accommodation space 104.On the inner surface of oil filler point 106, be formed with negative thread.
Separation step 108 stretches out from the bottom of accommodation space 104, and has the cam surface 110 of different gradients and height in formation on the bottom, between each separation step 108.Separating step 108 and cam surface 110 is the structures that are used for the damping operation of oil.
Damper installing plate 112 forms the edge and extends with the direction of the outer surface quadrature of damper body 102.Damper installing plate 112 is used for damper 100 is installed on ad-hoc location regularly.
Cover plate 120 is installed on a side of damper body 102, in order to cover accommodation space 104.Cover plate 120 can be regarded a part that in fact constitutes damper body 102 as.Cover plate 120 has the fastener hole 122 that is formed on four bights, makes screw (not having Reference numeral) can be fastened in the fastener hole of damper body 102.Side at cover plate 120---that is, face a side of accommodation space 104---be formed with attachment recess 124 recessedly.Periphery along attachment recess 124 forms a plurality of tab holding parts 124 '.The central authorities of running through cover plate 120 form through hole 126.Through hole 126 is that the axle connection protuberance 132 of confession rotary part 130 (will be described below) passes and be exposed to the part outside the damper body 102.
Know as Figure 10 and 11 to illustrate that rotary part 130 has the shape of substantial cylindrical.Rotary part 130 is mounted to and can rotates predetermined angular in accommodation space 104.Axle connects protuberance 132 and is arranged to extend along the direction of rotating shaft on rotary part 130.Be formed with an insertion section 134 in the axle connection protuberance 132, an axle insertion section 134 is the substantial cylindrical shape.Axle insertion section 134 has to make and to be arranged at that rotating shaft on the home bar door can not relatively rotate but the correspondingly-shaped that can rotate together integratedly.That is, axle insertion section 134 has key surface, and this key surface will closely contact with the key surface of rotating shaft.
The periphery that connects the surface of protuberance 132 around projection shaft on the rotary part 130 forms otch 136.Owing to formed otch 136, formed the first wall 137 and second wall 138 at the two ends of otch.The first wall 137 and second wall 138 are used to limit the shift motion of the movable end 176 of elastic component 170 (will be described below).
That side relative with otch 136 forms and separates step 140 on rotary part 130, illustrates as Figure 11 is clear.Separate step 140 corresponding to the separation step 108 on the bottom of the accommodation space 104 that is formed on damper body 102, and be in position corresponding to cam surface 110.The fastening recess of Reference numeral 142 indications, and Reference numeral 144 indication oil grooves.
Fixed guide plate 150 is mounted to and makes the axle connection protuberance 132 of rotary part 130 pass its central authorities.Fixed guide plate 150 is positioned attachment recess 124 places of cover plate 120 and rotary part 130 rotations relatively simultaneously.Periphery along fixed guide plate 130 forms a plurality of fixedly tabs 12.Fixedly tab 152 is positioned in the tab holding part 124 ' of attachment recess 124, makes that fixed guide plate 150 can not be with respect to cover plate 120 rotations.
The central authorities of running through fixed guide plate 150 form protuberance and pass hole 154, make the axle of rotary part 130 connect a protuberance 132 and pass protuberance and pass the hole.Protuberance passes the inner surface in hole 154 and shape and size that axle connects the outer surface of protuberance 132 and is designed to make the axle of rotary part 130 to connect protuberance 132 can to pass in the hole 154 can counterrotating mode to be inserted into protuberance.Form hole 156 in a side of fixed guide plate 150, the stiff end 174 of elastic component 170 (will be described below) inserts and is fixed in the hole 156.
Movable guided plate 160 is installed to fixed guide plate 150, and elastic component 170 (will be described below) places between movable guided plate and the fixed guide plate.Movable guided plate 160 is made for has the shape identical with fixed guide plate 150, but is not limited thereto.
Movable guided plate 160 is movable end 176 engaging portion with elastic component 170, thereby movable guided plate 160 matches with fixed guide plate 150 and makes elastic component 170 to operate smoothly.Periphery along movable guided plate 160 forms a plurality of tabs that stretch out 162.But, the tab 162 that stretches out needn't non-ly be set at movable guided plate 160 places.
The central authorities of running through movable guided plate 150 form protuberance and pass hole 164.Axle connects protuberance 132 and can pass hole 164 and install can counterrotating mode to pass protuberance.Form hole 166 in a side of movable guided plate 160, the movable end 176 of elastic component 170 (will be described below) inserts and is bonded in the hole 166.
Fixed guide plate 150 and movable guided plate 160 have identical construction.This is to minimize number of components for the parts that have same configuration by use.
Elastic component 170 comprises cylindrical body 172, and forms stiff end 174 and movable end 176 at two ends.Cylindrical body 172 is positioned between guided plate 150 and 160, and stiff end 174 and movable end 176 are bonded on respectively in the hole 156 and 166 of guided plate 150 and 160.Elastic component 170 is a kind of torque springs.Elastic component 170 provides the elastic force of opening direction along home bar door in the initial opening stage of family expenses bar door, and in the end opening stage is used to then prevent that home bar door from closing suddenly.
Then, securing member 180 is fastened in the oil filler point 106 of damper body 102, and is positioned in the fastening recess 142 of rotary part 130.This securing member 180 has the body 182 that is formed with pin thread on the outer surface and is arranged on the larger-diameter head 184 of having of body 182 1 ends.Body 182 is fastened to and inserts then in the oil filler point 106 in the fastening recess 142, and head 184 is used to block oil filler point 106.
In addition, in the accommodation space 104 of damper body 102, be filled with damping fluid with high viscosity.Damping fluid disturbs the rotation of rotary part 130 in accommodation space 104, thereby prevents that home bar door from being closed suddenly.
The as above operation according to damper of the present invention of structure will be described below.
Damper is guaranteed home bar door because the restoring force of elastic component 170 and smooth opening in the initial opening stage of family expenses bar door, and prevents home bar door because its weight throws open in the last opening stage of family expenses bar door by means of the damping force of damping fluid and the elastic force of elastic component 170.
That is, Figure 15 shows the relative position of under family expenses bar door closing state rotary part 130 and the movable end 176 of elastic component 170.To contrast this state of state description of Fig. 9 below.Fig. 9 shows home bar door and opens state when only about half of.Under this state, rotary part 130 rotates with home bar door, makes movable end 176 contact with first wall 137.When rotary part 130 continued rotation under movable end 176 and first wall 137 state of contact, elastic component 170 strains also produced restoring force thus.
Under the home bar door closing state of Figure 15, rotary part 130 movable end 176 with carried out further rotation after first wall 137 contacts.Therefore, rotary part has restoring force.Thereby home bar door is being intended to be subjected to a certain degree restoring force from the direction that closed condition is opened home bar door.But because fastening hook is bonded in the fastening recess, home bar door can at random not opened.Certainly, the adhesive force between the pad also plays a part certain.
Under this state, if connecting between fastening hook and the fastening recess is released, then home bar door is because the elastic restoring force of the elastic component 170 of damper 100 and rotating opening on the direction.
In addition, if rotary part 130 continues to rotate with home bar door, then movable end 176 separates with first wall 137.Under the movable end 176 of elastic component 170 and state that first wall 137 separates, the rotation of rotary part 130 is disturbed by the damping force of damping fluid.Thereby the opening speed of home bar door is controlled in to a certain degree.
Therebetween, rotary part 130 by the home bar door band and is continued rotation, and movable end 176 contacts with second wall 138.Certainly, do not contact with second wall 138 if home bar door is designed to be opened for movable end 176, then the opening operation of home bar door finishes constantly at this.But, contact with second wall 138 up to movable end 176 if open home bar door, then movable end 176 contacts with second wall 138.If be intended to further open home bar door, then elastic component 170 strains are relatively to reduce the opening speed of home bar door.
Whether movable end 176 contacts the width dimensions that depends on otch 136 with second wall 138.That is, if the width of otch 136 is designed to the angle opened greater than home bar door, even then home bar door is opened movable end 176 fully and also can not contacted with second wall 138.
Therebetween, the fixed guide plate 150 and the movable guided plate 160 that are arranged on cylindrical body 172 two ends of elastic component 170 are used for aimming circle cylindrical body 172 when operating flexibility part 170, and prevent to produce the interference between noise and elastic component 170 and miscellaneous part.
As a reference, in rotary part 130 in being installed in damper body 102, movable guided plate 160, elastic component 170 and the fixed guide plate 150, fixed guide plate 150 is fixed in damper body 102---and more specifically be to be fixed in cover plate 120, thereby can not move.But rotary part 130 rotates with home bar door, and, if the movable end 176 of elastic component 170 with first wall 137 or 138 contacts of second wall movable guided plate 160 with rotary part 130 rotations.
Scope of the present invention is not limited to aforementioned embodiments, but is defined by the following claims, and, one of ordinary skill in the art will appreciate that and can in claim institute restricted portion, carry out various variations and change.
[industrial applicibility]
As mentioned above, the home bar door according to damper of the present invention and this damper of use can be installed on the refrigerator doors. When using such home bar door, can in the situation of not opening refrigerator doors, article be put into the memory space of refrigerator or take out from the memory space of refrigerator, and use damper can prevent that home bar door from suddenly opening or hell and high water occurs in the initial opening stage.

Claims (9)

1. home-bar door apparatus that is used for refrigerator comprises:
The home-bar frame, it is installed on refrigerator doors and has the opening that runs through described home-bar frame central authorities and form;
Home bar door, it is provided for optionally opening or closing described opening and has rotating shaft as pivot, and described rotating shaft stretches out from the two ends of the bottom of described home bar door;
Damper, its rear surface that is installed on described home-bar frame is to control the opening/closing speed of described home bar door, and the rotating shaft of described home bar door inserts described damper and rotates with respect to described damper; And
The damper support, it is installed in the rear surface of described home-bar frame with described damper, be formed with the damper installing plate, described damper installing plate forms from the two ends of described damper along opposite direction and extends and make that the extensional surface of described damper installing plate is orthogonal.
2. device as claimed in claim 1, wherein, in each described damper support, be provided with and remain the tight contact site that contacts with the rear surface of described home-bar frame, and described tight contact site comprises with described damper installing plate and is fastened to the first rear portion mount pad and sidepiece mount pad on the described home-bar frame, described sidepiece mount pad is installed on the side surface of described home-bar frame, and the surface of the surface of described sidepiece mount pad and the described first rear portion mount pad forms orthogonal.
3. device as claimed in claim 2, wherein, described damper support further is provided with the second rear portion mount pad on the rear surface that is installed to described home-bar frame, and it is orthogonal that described first rear portion mount pad and the described second rear portion mount pad form the extensional surface of the extensional surface that makes the described first rear portion mount pad and the described second rear portion mount pad.
4. device as claimed in claim 1, wherein, periphery along described opening forms the groove of comparing indent with the front of described home-bar frame, be formed with stop rib, the two ends of described stop rib are formed with the backstop step, and described stop rib forms linear projection and horizontal expansion in the groove of described home-bar frame, is formed with the joint step at the lower end of described home bar door corresponding to described stop rib, thus the aperture when being adjusted at described home bar door and opening fully.
5. device as claimed in claim 1, wherein, described damper comprises:
Damper body wherein is formed with accommodation space;
Cover plate, its side that is installed on described damper body are covering described accommodation space, and it has the attachment recess that is formed in its inner surface;
Rotary part, it is inner and rotate with the rotating shaft of described home bar door that it is installed in described accommodation space;
Torque spring is used for providing elastic force in the initial opening stage and the last opening stage of described rotary part;
The fixed guide plate, it is fixed in described cover plate, and the stiff end of described torque spring is fixed in described fixed guide plate; And
Movable guided plate, it is installed in the face of described fixed guide plate and described torque spring places between described movable guided plate and the described fixed guide plate, the movable end of described torque spring is fixed in described movable guided plate optionally to move with described rotary part
Wherein, in described accommodation space, be filled with damping fluid.
6. device as claimed in claim 5, wherein, described rotary part comprises that the axle with insertion section connects protuberance, and the rotating shaft of described home bar door is connected to described axle insertion section, and described fixed guide plate, described movable guided plate and described torque spring are passed in described axle insertion section.
7. device as claimed in claim 6, wherein, the surface that the described axle of the formation of described rotary part connects protuberance is provided with otch, described otch has the first wall and second wall at the two ends that are formed on described otch, the movable end of described torque spring optionally contacts with described second wall with described first wall, thus described rotary part and described movable guided plate optionally one move.
8. device as claimed in claim 7, wherein, the through hole of the central authorities' formation that connects described cover plate is passed to exposing outside in a described axle insertion section that connects in the protuberance that is formed on described rotary part.
9. as each described device in the claim 1 to 8, wherein, one of them projection at least of the rotating shaft of described home bar door is also supported along the direction that described rotating shaft projects into outside the described home bar door by spring.
CN200680034372XA 2005-09-23 2006-09-21 Damper and home-bar door apparatus for refrigerator using the same Expired - Fee Related CN101283229B (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
KR10-2005-0088937 2005-09-23
KR1020050088937A KR101130432B1 (en) 2005-09-23 2005-09-23 Home-bar door apparatus for refrigerator
KR1020060024955A KR100756702B1 (en) 2006-03-17 2006-03-17 Highe assembly used in a refrigerator
KR10-2006-0024955 2006-03-17
PCT/KR2006/003758 WO2007035049A1 (en) 2005-09-23 2006-09-21 Damper and home-bar door apparatus for refrigerator using the same

Related Child Applications (1)

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CN2009101691330A Division CN101660380B (en) 2005-09-23 2006-09-21 Damper

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CN101283229B true CN101283229B (en) 2010-05-19

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CN2009101691330A Expired - Fee Related CN101660380B (en) 2005-09-23 2006-09-21 Damper

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KR101923471B1 (en) * 2011-10-04 2018-11-29 엘지전자 주식회사 Refrigerator
US9151534B2 (en) * 2012-11-12 2015-10-06 Lg Electronics Inc. Latch assembly and refrigerator or home appliance including the same
CN114790861B (en) * 2019-02-22 2023-11-14 青岛海尔电冰箱有限公司 Refrigerator with a refrigerator body
CN114857847B (en) * 2019-07-23 2023-10-24 青岛海尔电冰箱有限公司 Hinge assembly and refrigeration equipment with same
CN115126365B (en) * 2021-03-24 2023-11-07 青岛海尔电冰箱有限公司 Door body limit stop, door body and refrigerator

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KR20070034345A (en) 2007-03-28
CN101660380A (en) 2010-03-03
CN101660380B (en) 2013-01-16
CN101283229A (en) 2008-10-08
KR101130432B1 (en) 2012-03-27

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