CN1727824A - Bottom drawer type refrigerator having basket lift device - Google Patents

Bottom drawer type refrigerator having basket lift device Download PDF

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Publication number
CN1727824A
CN1727824A CNA2005100749783A CN200510074978A CN1727824A CN 1727824 A CN1727824 A CN 1727824A CN A2005100749783 A CNA2005100749783 A CN A2005100749783A CN 200510074978 A CN200510074978 A CN 200510074978A CN 1727824 A CN1727824 A CN 1727824A
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CN
China
Prior art keywords
lift frame
refrigerator
guide protrusion
lift
action bars
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CNA2005100749783A
Other languages
Chinese (zh)
Other versions
CN100360883C (en
Inventor
吴承桓
郑敬翰
郑圣勋
李明烈
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of CN1727824A publication Critical patent/CN1727824A/en
Application granted granted Critical
Publication of CN100360883C publication Critical patent/CN100360883C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/02—Doors; Covers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D25/00—Charging, supporting, and discharging the articles to be cooled
    • F25D25/02—Charging, supporting, and discharging the articles to be cooled by shelves
    • F25D25/024—Slidable shelves
    • F25D25/025—Drawers
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B51/00—Cabinets with means for moving compartments up and down
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B67/00—Chests; Dressing-tables; Medicine cabinets or the like; Cabinets characterised by the arrangement of drawers
    • A47B67/04—Chests of drawers; Cabinets characterised by the arrangement of drawers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D25/00—Charging, supporting, and discharging the articles to be cooled
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D25/00—Charging, supporting, and discharging the articles to be cooled
    • F25D25/02—Charging, supporting, and discharging the articles to be cooled by shelves
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2210/00—General construction of drawers, guides and guide devices
    • A47B2210/17—Drawers used in connection with household appliances
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/02—Doors; Covers
    • F25D23/021—Sliding doors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D25/00—Charging, supporting, and discharging the articles to be cooled
    • F25D25/005—Charging, supporting, and discharging the articles to be cooled using containers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D25/00—Charging, supporting, and discharging the articles to be cooled
    • F25D25/04—Charging, supporting, and discharging the articles to be cooled by conveyors

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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

A refrigerator includes a main body having at least a lower cooling chamber disposed at a lower portion of the main body, a base frame disposed to be movable in inward/outward directions at the lower cooling chamber and having a drawer door at a front side thereof, a lift frame disposed at an upper surface of the base frame, on which a basket is placed, a gas spring mounted vertically at an upper surface of the base frame and connected with the lift frame for lifting the lift frame, and lift rails at a rear side of the drawer door and guiding the lift frame to be moved up and down.

Description

Bottom drawer type refrigerator with basket lift apparatus
Technical field
The present invention relates to a kind of what is called " drawer type " refrigerator with basket lift apparatus, more particularly, thereby the present invention relates to a kind of can be to being contained in the basket lift apparatus that draws basket promote to improve user's comfort level of this refrigerator main body bottom.
Background technology
Fig. 1 is the perspective view of refrigerator, and how the basket that draws that Fig. 2 shows according to conventional art is contained in the cutaway view of the refrigerator bottom of refrigerator main body.
General bottom drawer type refrigerator comprises the main body 102 with open front side portion and spatial accommodation, the cold house, bottom 112 (for example refrigerating chamber) that is arranged in the cold house, top 106 on these main body 102 tops and is arranged in these main body 102 bottoms, its cold house, middle and upper part 106 has a pair of respectively in the top (" France that rolls to each side and open " formula is side by side) door 104, be used to keep being stored in the low temperature of food wherein; And cold house, bottom 112 wherein isolates and has the drawer door 110 of outside slip by next door 108 and this cold house, top 106.
Machine Room 116 comprises compressor 114 and other parts that are used to produce the cooling air that offers cold house, top 106 and cold house, bottom 112, and this Machine Room 116 is arranged on main body 102 rear portions.
What be used for holding therein food draws basket 120 slide arrangement in cold house, bottom 112, and this drawer door 110 is fixed the front side that this draws basket 120 as drawer panel.Therefore, when this drawer door 110 was pulled outwardly, this drew basket 120 to open thus, and when this drawer door 110 advanced, this drew basket 120 to close thus.Guide rail 124 is installed in each respectively and draws between basket 120 outsides and 112 inboards, cold house, bottom, with draw basket 120 guide inwardly/outward direction slides.
Can be arranged on this to food preservation one or more drawers 126 therein and draw above the basket 120, so that sliding opening.
In the bottom drawer type refrigerator of this routine, the food in being kept at this cold house, bottom 112 needs to take out or food need put in this cold house, bottom 112 time, and this drawer door 110 is pulled outwardly, thereby this draws basket 120 slidably and open.Draw food in the basket 120 to take out or after this food put into this and draw basket 120, this drawer door 110 was inwardly pushed away being stored in this, thereby this draw basket 120 sliding closings.
Yet the problem that this routine bottom drawer type refrigerator exists is, because this draws the installation setting of basket too low, therefore the user must reduce the figure, that is to say, for example, the user must stoop the back or bow and bend over, and so that food is put into or taken out, causes user's inconvenience.
Summary of the invention
Therefore, the purpose of this invention is to provide a kind of bottom drawer type refrigerator, this refrigerator has basket lift apparatus, by as follows the position of drawing basket being improved and can improving user's comfort level, this mode for when be positioned at this refrigerator main body bottom draw basket to extract out the time, this draws upwards lifting of basket.
For realizing these and other advantages, according to the object of the invention, as implementing herein and general description, provide a kind of bottom drawer type refrigerator, this refrigerator comprises: main body has the cold house, top and the bottom that lays respectively at these main body top and the bottom; Underframe, this underframe can move to inside/outside in the cold house, bottom, and has drawer door in its front; Be positioned at the lift frame at this underframe top, draw basket can be positioned on this lift frame; Air spring, this air spring vertically are installed on this drawer chassis top surface, and are connected with this lift frame, to produce the power that promotes this lift frame; And a pair of lifting track that is installed in this drawer door rear side and guides this lift frame to move up and down.
This gas spring comprises the cylinder that is filled with gases at high pressure and is fixed on underframe and vertically places; And be inserted in this cylinder and the action bars that moves point-blank up and down, by being filled in the high-pressure gas pressure of this cylinder interior, this action bars is pushed upwardly, and is fixed on this lift frame.
This lock cell is installed between this lifting track and the guide protrusion, and locks this lift frame, so that it is kept on its maximum lift position and the maximum down position.This lock cell comprises the top locking groove that is formed on this lifting track top; Be formed on the bottom locking groove of this lifting track bottom; Locking member, this locking member are inserted in this guide protrusion and move point-blank therein, lock one of this top, bottom locking groove simultaneously; And spring, this spring is inserted into and inserts in the groove, and elastic force is provided, so that locking member is kept the state by this locking groove snap close.
From the detailed description of the present invention below in conjunction with accompanying drawing, above-mentioned and other purpose of the present invention, feature, aspect and advantage will become more obvious.
Description of drawings
The accompanying drawing that comprises provides further to be understood the present invention, incorporates and form a specification part simultaneously into, and these accompanying drawings show embodiment and are used for illustrating principle of the present invention with specification.
In the accompanying drawings:
Fig. 1 is the front perspective view that shows according to the bottom drawer type refrigerator of conventional art;
Fig. 2 is the cutaway view according to the bottom of the bottom drawer type refrigerator of conventional art;
Fig. 3 for according to first embodiment of the invention, wherein to draw basket be the front perspective view of the bottom drawer type refrigerator of opening-wide state;
Fig. 4 shows the facade side elevation of basket lift apparatus according to an embodiment of the invention;
Fig. 5 shows the back perspective view of refrigerator basket lift apparatus according to an embodiment of the invention;
Fig. 6 shows the top plan view of refrigerator basket lift apparatus according to an embodiment of the invention;
Fig. 7 is the enlarged drawing of " A " portion among Fig. 6;
The profile of Fig. 8 for cutting open along VIII-VIII line among Fig. 7;
Fig. 9 is the enlarged drawing of " B " portion among Fig. 6;
Figure 10 is the side view that shows according to the mode of operation of the refrigerator basket lift apparatus of first embodiment of the invention;
Figure 11 is the top plan view that shows according to the refrigerator basket lift apparatus of second embodiment of the invention;
Figure 12 is the enlarged drawing of " C " portion among Figure 11;
Figure 13 is the top plan view according to the refrigerator basket lift apparatus of third embodiment of the invention; And
Figure 14 is the enlarged drawing of " D " portion among Figure 13.
The specific embodiment
Hereinafter, will the bottom drawer type refrigerator that have the basket lifting device according to of the present invention be described with reference to the accompanying drawings.
Exist some embodiment of refrigerator at present, only describe below that those are most preferred with basket lifting device.
Fig. 3 is the front perspective view of bottom drawer type refrigerator, wherein have the basket that draws that is in opening-wide state according to first embodiment of the invention, and Fig. 4 is the basket lift apparatus that shows according to the refrigerator of first embodiment of the invention.
The refrigerator that has basket lift apparatus of the present invention comprises: the main body 10 with spatial accommodation; Cold house, top 14, it is configured in these main body 10 tops and has a pair of top of opening in both sides (for example " French ") double-acting door 12; Cold house, bottom 18 isolates with this cold house, top 14 and is positioned at this main body 10 bottoms by next door 16; Draw basket 20, can slide by 18 inside/outward directions, be used for therein food preservation in the cold house, bottom; And lift unit, when drawing basket 20 to extract out, upwards promote this and draw basket 20.
Preferably, this cold house, top 14 is as the refrigerating chamber of preserving chilled food, and cold house, bottom 18 is preferably as the refrigerating chamber of preserving frozen food.
Drawer door 22 is configured in the front of this cold house, bottom 18, and when advancing when mobile on the interior/outward direction in this main body 10 or extracting out and draw basket 20.A plurality of drawers 24 optionally are configured in the top of this cold house, bottom 18, with the food preservation of for example ice cube therein, and can advance or pull out.
This drawer door 22 is included in the handle 26 and the underframe 30 that is installed in its inboard in its front, wherein draws basket 20 to be installed on this underframe 30.Pair of guide rails 32 is installed between this cold house, bottom 18 and this underframe 30, to guide these underframe 30 slidably inside and outside main body 10.
The intermediate orbit 32b that each guide rail 32 comprises the trapped orbit 32a that is fixed on these 18 bottom surfaces, cold house, bottom, is slidingly connected with this trapped orbit 32a, and be slidingly connected with this intermediate orbit 32b and be fixed on moving track 32c on these underframe 30 lower surfaces.
Fig. 5 is the back perspective view according to the refrigerator basket lift apparatus of first embodiment of the invention, and Fig. 6 is the top plan view according to the refrigerator basket lift apparatus of first embodiment of the invention.
This lift unit comprises: be positioned at these underframe 30 tops, place the lift frame 36 that draws basket 20, be installed on this underframe 30 and produce the air spring 38 of the power that promotes this lift frame 36, and be used to guide lift frame 36 to carry out the lifting track 40 that straight line up and down moves.
This air spring 38 comprises: be filled with gases at high pressure, be fixed on this underframe 30 and vertically disposed cylinder 42; And the action bars 44 that is inserted in this cylinder 42, can moves up and down and move by the pressure straight line that fills gas in this cylinder 42, wherein the upper end of this action bars 44 is fixed on this lift frame 36.
Vertical lifting portion 46 upwards extends to form with the right angle in these lift frame 36 front sides, and connecting portion 48 is formed on the upper end of vertical lifting portion 46.The upper end of the action bars 44 of air spring 38 is connected with this connecting portion 48.
In air spring 38, gases at high pressure are filled in this airtight cylinder 42, and this spring 38 produces the pressure that acts on these action bars 44 the inners by gas pressure.These air spring 38 less, light and operations reposefully, this lift frame 36 can be promoted reposefully like this.
The size of air spring 38 gas pressures satisfies: have busy hour in the basket 20 and can draw this basket 20 to rise to the maximum lift position when drawing at this.The gas pressure of air spring can change according to range of application.For example, air spring 38 can have and draws this basket 20 to rise to the pressure in centre position.
This promotes track 40 and is provided with in pairs, and is vertically mounted on the rear surface of drawer door 22, and each track 40 has the rail groove 50 that vertically forms at it.A pair of guide protrusion 52 is formed on the vertical lifting portion 46 of this lift frame 36, and projection 52 is inserted respective track groove 50 and moved along respective track groove 50.
Top stopper 54 and bottom stopper 56 are used to stop the disengagement of this guide protrusion 52, and these stoppers are installed in the top and bottom of this lifting track 40.
Lock cell is installed in this lifting track 40 between at least one and the corresponding guide protrusion 52, to lock the position that lift frame 36 drops to the bottom, perhaps lock lift frame 36 and drop to the position of bottom and the position that locking lift frame 36 rises to the maximum lift position.
Shown in Fig. 7 and 8, this lock cell comprises top stop notch 60, bottom stop notch 62, pair of locking pins 66 and spring 68, wherein this top stop notch 60 is formed in this lifting track 40 top of at least one, bottom stop notch 62 is formed on the bottom of this lifting track 40, this pair of locking pins 66 can move in the insertion groove 64 that is formed on guide protrusion 52 both sides point-blank, and can latch in corresponding the top stop notch 60 and bottom stop notch 62, and spring 68 is inserted in respectively in the insertion groove 64, and provide elasticity outside motive force, thereby this locking member 66 can latch in this stop notch 60 and 62.
This top stop notch 60 is formed on rail groove 50 both sides that promote track 40, corresponding with the position at guide protrusion 52 places when this lift frame rises to the maximum lift position, and this bottom stop notch 62 is formed on rail groove 50 both sides of this lifting track 40, and is corresponding with the position at guide protrusion 52 places when this lift frame 36 is reduced to bottom position.
When this stop pin 66 latched in this bottom stop notch 62, this lock cell stoped lift frame 36 to promote by means of the pressure of air spring 38 thus.When the user used this lift frame 36 of certain force pull-up, this stop pin 66 discharged by deviating to obtain from this bottom stop notch 62, and this lift frame 36 can optionally promote by means of this air spring 38 simultaneously.When this lift frame 36 rises to the maximum lift position, this stop pin 66 latches in this top stop notch 60, stops this lift frame 36 to descend.
This lock cell can not be provided with top stop notch 60, thereby this locking member 66 only latches in this bottom stop notch 62, stop this lift frame 36 up to move, and when this lift frame 36 is positioned at the maximum lift state, this guide protrusion 52 makes this lift frame remain on the maximum lift position by these stopper 54 snap closes.
With reference to figure 9, pair of guide rails 70 is mounted in vertical direction extends, and guide this lift frame 36 to move up and down, and guide protrusion 72 is formed on this lift frame 70 both sides, and be inserted in respectively in the corresponding guide groove 74 that forms in this guide rail 70, and move along this guide groove 74, wherein should be formed in this guide rail 70 by correspondence guide groove 74.
To describe the operation of basket lift apparatus of the present invention below in detail.
Figure 10 is the mode of operation that shows according to the refrigerator basket lift apparatus of first embodiment of the invention.
When the user want to get food from basket basket 20, he pulled out drawer door 22, extracted out from this cold house, bottom 18 this is drawn basket 20.Then, discharge at this lift frame 36 and this locking that promotes between the track 40, this lift frame 36 freely rises simultaneously.In other words, when the locking member 66 in the guide protrusion 52 that is installed in this lift frame 36 when the bottom stop notch 62 that is formed on this lifting track 40 discharges, these lift frame 36 releases.
At this moment wait, this lift frame 36 is by means of the boost in pressure of air spring 38.In other words, the pressure of the cylinder 42 inner high voltage gases of action bars 44 by being filled in this air spring 38 moves up, these lift frame 36 risings that therefore are connected with this action bars 44.
When this lift frame 36 was elevated to maximum rising raise-position and puts, the locking member 66 of this lift frame 36 was latched in the stop notch 60 that is formed on this lifting track, and this lift frame 36 is locked into the lifting state that maintains.
Under this state, the user can put into or take out food, pushes this lift frame 36 then downwards.Then, this locking member 66 is deviate from from this top stop notch 60, to discharge this lift frame 36.When this lift frame 36 was moved down into the bottom, this locking member 66 latched in this bottom stop notch 62, stoped this lift frame 36 to raise.
Figure 11 is the top plan view that draws basket according to the refrigerator of second embodiment of the invention, and Figure 12 is the zoomed-in view of " C " portion in Figure 11.
Except the lock cell of locking lift frame 36, has identical structure with the basket lift apparatus of first embodiment of the invention according to the basket lift apparatus of second embodiment.
In the second embodiment of the present invention, lock cell comprises: button 76 is installed in the upper and lower of drawer door 22; Action bars 78 is connected with each button 76, and can be rotatably set in the drawer door 22, thus rotation when button 76 is pressed; Spring 82 is installed in a side of each action bars 78, and provides promotion elastic force to action bars 78; And locking recess 80, be formed in this guide protrusion 52, wherein the end of each action bars 78 can latch in this recess 80.
When this lift frame 36 was positioned at extreme lower position, the action bars 78 that is installed in these drawer door 22 downsides was inserted in the locking recess 80 in this guide protrusion 52, stops this lift frame 36 to raise.
Under this state, when the user pushed button 76, this action bars 78 overcame the elastic force rotation of spring 82, and discharged the locking recess 80 in guide protrusion 52, by means of the pressure of air spring 38 this lift frame 36 was freely raise.
When this lift frame 36 arrived maximum lift positions, the action bars 78 that is installed in drawer door 22 upper ends latched in the locking recess 80 in this guide protrusion 52, and lift frame 36 is remained on raised position.
And when pushing the button 76 that is installed in these drawer door 22 upper ends, this action bars 78 discharges from this locking recess 80, makes lift frame 36 unfettered.Then, this user can press down this lift frame 36.
Figure 13 is the top plan view according to the refrigerator basket lift apparatus of third embodiment of the invention, and Figure 14 is the zoomed-in view of " D " portion among Figure 13.
Except the lock cell of locking lift frame, has same structure according to the basket lift apparatus of third embodiment of the invention.
In third embodiment of the invention, this lock cell comprises: the action bars 88 that is installed in these drawer door 22 bottoms or is installed in this drawer door actuator on two parts 86 about in the of 22, is connected with this actuator 86 and moves point-blank according to the driving of this actuator 86, and the locking recess 90 that is formed on guide protrusion 52 sidepieces of this lift frame 36, wherein this action bars 88 latches in this locking recess 90 insertedly.
Preferably, this actuator 86 is for being used for the solenoid type that linear reciprocation moves this action bars when electric power is applied on it.
Through hole 92 is formed on a side that promotes track 40, and wherein guide protrusion 52 is inserted in this lifting track 40, and action bars 88 can pass from through hole 92.
In the lock cell of third embodiment of the invention, when the user operated this actuator 86 by master cock or the like, action bars 88 withdrawals also discharged from this locking recess 90, make lift frame 36 releases.And the dc source of working as opposite polarity is applied to this actuator 86, and this action bars 88 moves forward to be inserted in this locking recess 90, makes this lift frame 36 lockings.
As described in up to the present, the basket lift apparatus that is positioned at the refrigerator bottom of the present invention has the following advantages.
That is, for example, when this drew basket to extract out, it can be raised, so that the user takes out food from draw basket under the situation of curved back not, improved user's comfort level.
Do not breaking away under spirit of the present invention or the essential feature situation, the present invention can comprise several forms, it is to be further understood that, unless otherwise mentioned, any details in describing above the foregoing description is not limited to, and briefly analyze in the spirit and scope that should in the accessory claim book, limit, therefore, fall into interior all changes of claims scope and modification or this scope equivalent and include at the accessory claim book.

Claims (15)

1. bottom drawer type refrigerator comprises:
Main body has the cold house, top and the cold house, bottom that lay respectively at this main body upper and lower;
The drawer underframe, this drawer underframe can inwardly outwards move in the cold house, bottom, and has the drawer door of closing this cold house, bottom in its front;
Be positioned at the lift frame of this drawer chassis top surface, draw basket can be positioned on this lift frame;
Air spring, this air spring are mounted in this drawer chassis top surface and operate in vertical direction, and are connected with this lift frame, to produce the power that promotes this lift frame; And
Promote track, be installed in this drawer door rear side and guide this lift frame to move up and down.
2. refrigerator as claimed in claim 1, wherein this air spring comprises:
Cylinder is filled with gases at high pressure, is fixed on underframe and vertical the placement; And
Action bars is inserted in this cylinder and can moves point-blank up and down, and the pressure of the gases at high pressure of this action bars by being filled in this cylinder interior is pushed upwardly, and is fixed on this lift frame.
3. refrigerator as claimed in claim 1, wherein this lifting track vertically is positioned on the rear surface of this drawer door, rail groove longitudinally is formed on each and promotes on the track, and corresponding guide protrusion is arranged on the front portion of lift frame, guide protrusion is inserted in the respective track groove, and can move along it.
4. refrigerator as claimed in claim 3, the retainer up and down that wherein is used for stoping guide protrusion to spin off from this rail groove is installed in the upper and lower end parts of this lifting track.
5. refrigerator as claimed in claim 3 also comprises:
Lock cell, this lock cell are installed between the guide protrusion of this at least one lifting track and correspondence, and lock this lift frame, so that this lift frame is maintained minimum down position, equally this lift frame are maintained the maximum lift position.
6. refrigerator as claimed in claim 4, wherein this lock cell comprises:
Be formed on the top stop notch on this lifting track top;
Be formed on the following stop notch of this lifting track bottom;
Stop pin, this stop pin can move in the corresponding insertion groove of each side of guide protrusion point-blank, and may be locked in this up and down in the stop notch one of any in; And
Spring, this spring outwards promotes each stop pin, is used to latch in this stop notch.
7. refrigerator as claimed in claim 6, its middle and upper part stop notch is formed on the rail groove both sides of this lifting track, when this lift frame rises to its maximum lift position the position at guide protrusion place, and this bottom stop notch is formed on the both sides of this rail groove of this lifting track, the position at guide protrusion place when this lift frame is reduced to its extreme lower position.
8. refrigerator as claimed in claim 1, wherein guide the guide rail that moves both vertically of this lift frame vertically to be installed on two respective side of this underframe, and guide protrusion is formed on two respective side of this lift frame, and guide protrusion is inserted in the corresponding guide rail, and can move along it.
9. refrigerator as claimed in claim 1 also comprises:
Lock cell, this lock cell is installed on the door, and locks this lift frame, so that it maintains its minimum lower position, equally also makes it maintain its maximum lift position.
10. refrigerator as claimed in claim 9, wherein this lock cell comprises:
Button is installed in the upper and lower of drawer door respectively;
Action bars, this action bars is connected with each button, and can be rotatably set in this drawer door inside, thus rotation when the corresponding button is pressed; And
Locking recess, this locking recess are formed on this lift frame, and wherein this action bars can latch in this recess.
11. as the refrigerator of claim 10, wherein this lock cell also comprises spring, this spring is installed in each action bars one side, and promotes this action bars it is latched in this locking recess.
12. as the refrigerator of claim 10, wherein this locking recess is formed on the front of this guide protrusion, and this guide protrusion is formed on this lift frame.
13. refrigerator as claimed in claim 9, wherein this lock cell comprises:
Be fixed on the actuator of this drawer door rear surface;
Be installed on this actuator and according to the action bars of the operation straight reciprocating motion of actuator; And
Locking recess, this locking recess are formed on the side of this lift frame, and wherein this action bars can be inserted in this recess.
14. as the refrigerator of claim 13, wherein this actuator forms the solenoid that is used for straight reciprocating motion when electric power is applied on it.
15. as the refrigerator of claim 13, wherein this locking recess is formed on the side of this guide protrusion, and this guide protrusion is formed on this lift frame.
CNB2005100749783A 2004-07-29 2005-06-06 Bottom drawer type refrigerator having basket lift device Expired - Fee Related CN100360883C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020040059928 2004-07-29
KR1020040059928A KR100619732B1 (en) 2004-07-29 2004-07-29 Refrigerator having basket lift apparatus

Publications (2)

Publication Number Publication Date
CN1727824A true CN1727824A (en) 2006-02-01
CN100360883C CN100360883C (en) 2008-01-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2005100749783A Expired - Fee Related CN100360883C (en) 2004-07-29 2005-06-06 Bottom drawer type refrigerator having basket lift device

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US (1) US20060022564A1 (en)
EP (1) EP1621836B1 (en)
KR (1) KR100619732B1 (en)
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CN101849744A (en) * 2009-03-31 2010-10-06 可丽娜株式会社 Cabinet
CN103486800A (en) * 2012-06-08 2014-01-01 日立空调·家用电器株式会社 Refrigerator
CN103486800B (en) * 2012-06-08 2016-01-06 日立空调·家用电器株式会社 Refrigerator
CN104101171A (en) * 2013-04-03 2014-10-15 泰州乐金电子冷机有限公司 Bottom drawer type refrigerator
CN104101171B (en) * 2013-04-03 2017-03-08 泰州乐金电子冷机有限公司 Bottom drawer type refrigerator
CN106642911A (en) * 2016-11-22 2017-05-10 青岛海尔股份有限公司 Refrigerator and bottle holder thereof
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CN110360800A (en) * 2018-03-26 2019-10-22 Lg电子株式会社 Refrigerator
CN110360800B (en) * 2018-03-26 2021-09-28 Lg电子株式会社 Refrigerator with a door
CN109431426A (en) * 2018-12-12 2019-03-08 于维恕 One kind drawing high formula bowl basket
CN109431426B (en) * 2018-12-12 2024-04-16 于维恕 Pull-up bowl basket
CN111380300A (en) * 2018-12-28 2020-07-07 Lg电子株式会社 Refrigerator with a door
CN111380300B (en) * 2018-12-28 2022-01-21 Lg电子株式会社 Refrigerator with a door
CN112197478A (en) * 2019-07-08 2021-01-08 青岛海尔电冰箱有限公司 Refrigerator with a door
CN112197478B (en) * 2019-07-08 2022-04-29 青岛海尔电冰箱有限公司 Refrigerator with a door
WO2021057767A1 (en) * 2019-09-23 2021-04-01 青岛海尔电冰箱有限公司 Refrigeration appliance with adjustable rack assembly
CN113310279A (en) * 2021-06-29 2021-08-27 合肥美的电冰箱有限公司 Mounting device provided with moving member, drawer assembly and household appliance

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US20060022564A1 (en) 2006-02-02
CN100360883C (en) 2008-01-09
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EP1621836A3 (en) 2007-03-28
EP1621836B1 (en) 2009-10-21
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DE602005017228D1 (en) 2009-12-03
AU2005201411A1 (en) 2006-02-16

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