WO2019105474A1 - Réfrigérateur et ensemble de tiroir associé - Google Patents

Réfrigérateur et ensemble de tiroir associé Download PDF

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Publication number
WO2019105474A1
WO2019105474A1 PCT/CN2018/118678 CN2018118678W WO2019105474A1 WO 2019105474 A1 WO2019105474 A1 WO 2019105474A1 CN 2018118678 W CN2018118678 W CN 2018118678W WO 2019105474 A1 WO2019105474 A1 WO 2019105474A1
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WO
WIPO (PCT)
Prior art keywords
drawer
vertical section
sliding groove
bar
slide
Prior art date
Application number
PCT/CN2018/118678
Other languages
English (en)
Chinese (zh)
Inventor
王晶
朱小兵
郭动
阳军
Original Assignee
青岛海尔股份有限公司
青岛海尔特种制冷电器有限公司
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 青岛海尔股份有限公司, 青岛海尔特种制冷电器有限公司 filed Critical 青岛海尔股份有限公司
Publication of WO2019105474A1 publication Critical patent/WO2019105474A1/fr

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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
    • 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
    • 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
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures

Definitions

  • the present invention relates to a refrigerating and freezing apparatus, and more particularly to a refrigerator and a drawer assembly thereof.
  • the drawer of the refrigerator is generally slidably disposed in the storage compartment. Many drawers use a power-assisting closing mechanism. After the drawer is pushed into the storage room to a certain extent, the user can let go and the drawer automatically moves back under the action of the spring until it is completely closed.
  • the existing power-off mechanism has a complicated structure and low reliability, and is prone to failure.
  • An object of the present invention is to overcome at least one of the deficiencies of the prior art, and to provide a novel and simple refrigerator and a drawer assembly thereof, which enable the drawer to be automatically closed and have high reliability and are less prone to failure.
  • Another object of the present invention is to emit a prompt sound when the drawer is closed, prompting the user to release the sound after the sound is heard, so that the drawer completes the automatic closing process.
  • the present invention provides a drawer assembly for a refrigerator, comprising:
  • left and right outer walls each have an upper bar and a lower bar below the upper bar, the upper bar and the lower bar each having a rearward direction a bottom edge that gradually slopes downward;
  • Each support component comprises:
  • a bracket having an upper sliding groove and a sliding groove extending forward and backward, the sliding groove having a front vertical section, an inclined section inclined downward from the bottom end of the front vertical section, and the inclined section a horizontal section extending rearward of the rear end of the segment and a rear vertical section extending downward from the rear end of the horizontal section;
  • a connecting member including a sliding portion slidably mounted to the upper chute and a rotating portion rotatably mounted to the sliding portion about a left and right extending axis, the rotating portion having a front and rear guide post extending left and right, The leading pillar extends into the sliding groove;
  • the drawer assembly is configured to:
  • the front guide post When the drawer is in a normally open state, the front guide post is caught in the front vertical section, and the upper guide bar and the lower guide bar are located in front of the front guide post;
  • the upper guide bar moves backward while the bottom edge thereof presses the front guide post to separate from the front vertical section into the inclined section and the horizontal section, and Advancing the drawer to move forward and backward under the action of the elastic pre-tightening force at the front side of the lower guide bar;
  • the lower guide bar is pushed forward to re-engage the front vertical segment, so that the drawer continues to move forward;
  • the drawer assembly is further configured to: when the front guide post is disengaged from the front vertical section during the rearward closing of the drawer, the front end of the lower guide bar is located at a preset distance in front of the front guide post After the front guide post is disengaged from the front vertical section, the lower guide bar is moved backward by the elastic pre-tightening force, and the prompt sound of the drawer closing is issued.
  • the preset distance is 1 to 3 cm.
  • the bracket has an inner layer board and an outer layer board extending forward and backward and parallel to each other, and the inner layer board and the outer layer board are respectively provided with the upper sliding slot and the sliding groove; a connecting member is between the inner layer board and the outer layer board, and two rear pillars are respectively arranged on the left and right sides of the rear end of the sliding portion to respectively enter the two upper sliding slots, and the rotating portion
  • Each of the front and rear sides has one of the leading columns.
  • the left and right side walls of the drawer respectively have a first slide extending forward and backward, the first slide has a convex portion protruding downward; each inner side of the bracket has a second slide extending forward and backward.
  • a pulley and a pulley the drawer assembly being configured to slide the boss on an upper surface of the second slide when the drawer moves back and forth to cause the pulley to roll along a lower surface of the first slide To support the first slide.
  • the raised portion is located at the rear of the first slide, and the pulley is located in front of the second slide.
  • the elastic element is a tension spring, the front end of which is fixed to the rear of the sliding portion of the connecting member, and the rear end is fixed to the bracket.
  • the present invention provides a refrigerator comprising a case defining a storage compartment and at least one drawer assembly according to any of the above, wherein the two support assemblies are respectively mounted in the storage compartment Left and right side walls; drawers can be placed in the storage room back and forth.
  • the two supporting components can realize the automatic closing of the assist of the drawer, the structure is simple, and the failure is not easy to occur. Moreover, when the drawer is in the abnormally opened state in which the front pillar is stuck at the rear end of the horizontal section, the drawer can be returned to the front side of the lower guide bar only by moving the drawer backward, so that the mechanism returns to normal, which is very convenient and quick.
  • the front pillar when the drawer is closed, the front pillar can be moved forward against the lower guide bar by the elastic pre-tightening force after the vertical section is detached, and a prompt sound is emitted. After the user hears the prompt tone, the user can release the handle and the drawer is automatically closed, so that the user experience is very good.
  • the end portion and the stopping portion of the rotating portion of the connecting member are respectively caught on the left and right sides of the sliding groove, so that the connection between the connecting member and the bracket is very stable, and the drawer does not sway when left and right. It will shift the connector and make the mechanism run more reliably.
  • FIG. 1 is a schematic structural view of a drawer assembly according to an embodiment of the present invention.
  • Figure 2 is an exploded perspective view of the drawer assembly of Figure 1;
  • Figure 3 is an exploded perspective view of the support assembly of Figure 2;
  • Figure 4 is a schematic view showing the assembly of the support assembly
  • Figure 5 is a cross-sectional view of the drawer assembly with the drawer in a normally open state
  • Figure 6 is an enlarged view of A of Figure 5;
  • Figure 7 is a cross-sectional view of the drawer assembly with the drawer in a closed state
  • Figure 8 is an enlarged view of B of Figure 7;
  • Figure 9 is a cross-sectional view of the drawer assembly when the drawer is in an abnormally open state
  • Figure 10 is an enlarged view of a portion C of Figure 9;
  • Figure 11 is a cross-sectional view of the drawer assembly immediately after the leading column is pressed into a vertical section
  • Figure 12 is an enlarged view of D of Figure 11;
  • Figure 13 is a schematic view showing the structure of a refrigerator in accordance with one embodiment of the present invention.
  • Embodiments of the present invention provide a drawer assembly for a refrigerator.
  • the drawer assembly includes a drawer 20 and two support assemblies 10.
  • the drawer 20 is disposed in the storage compartment of the refrigerator, and has a top rail 210 and a lower rail 220 on the left outer wall 201 and the right outer wall 202, and the lower rail 220 is located below the upper rail 210. .
  • Both the upper guide bar 210 and the lower guide bar 220 have a bottom edge that gradually slopes downward from the rear to the front.
  • Two support assemblies 10 are respectively fixed to the left side wall and the right side wall of the storage compartment, and each support assembly 10 includes a main body structure, that is, the bracket 100, the bracket 100 and the left side wall/right side wall of the storage compartment fixed.
  • the left and right side walls of the drawer 20 respectively have a first slide rail 230 extending forward and backward, and the first slide rail 230 has a convex portion 231 protruding downward.
  • the inner side of each bracket 100 (the side close to the drawer 20) is formed with a second slide 110 extending forward and backward and a pulley 700.
  • the convex portion 231 slides back and forth on the upper surface of the second slide 110, and the pulley 700 rolls along the lower surface of the first slide 230 to support the first slide 230.
  • the convex portion 231 is located at the rear of the first slide rail 230, and the pulley 700 is located in front of the second slide rail 110 to increase the distance between the convex portion 231 and the pulley 700, so that the support of the drawer 20 is more stable.
  • the present invention smoothly supports the drawer 20 on the two brackets 100 through two slides and one pulley, and makes the push-pull drawer very labor-saving.
  • a sliding friction connection may be employed between the slide of the drawer 20 and the slide of the bracket 100 to omit the pulley, or two pulleys may be disposed on the drawer 20, and two pulleys may be disposed on the bracket 100. The specific structure will not be described here.
  • each support assembly 10 includes a bracket 100, a connector 300, and a resilient member.
  • 3 to 6 illustrate the support assembly 10 on the left side of the drawer 20.
  • the upper bar 210 and the lower bar 220 are each indicated by a broken line.
  • the bracket 100 has an upper chute 150 and a glide groove 140 extending through the left and right sides thereof.
  • the upper chute 150 extends in the front-rear direction.
  • the glide groove 140 is a multi-segment structure including a front vertical section 141, a horizontal section 142 extending rearward from a bottom end of the front vertical section 141, and a rear vertical section 143 extending downward from a rear end of the horizontal section 142.
  • the front vertical section 141 and the horizontal section 142 transition with a sloped section 144 that slopes downwardly rearward.
  • the connecting member 300 includes a sliding portion 390 slidably mounted to the upper chute 150 and a rotating portion 380 rotatably attached to the sliding portion 390 about a left and right extending axis.
  • the end portion of the rotating portion 380 has a front and rear guide post 381 extending left and right, and the front guide post 381 protrudes into the sliding groove 140 to slide in the extending direction of the sliding groove 140. It can be understood that, due to the irregular shape of the sliding groove 140, the rotating portion 380 may rotate relative to the sliding portion 390 during the entire forward and backward movement of the connecting member 300.
  • the front guide post 381 is provided with a stop portion 382.
  • the end portions of the stop portion 382 and the rotating portion 380 are respectively caught on the left and right sides of the sliding groove 140, so that the connection between the rotating portion 380 and the bracket 100 is more stable, and is not affected by the drawer 20 The effect of shaking left and right.
  • the bracket 100 has an inner layer panel 120 and an outer layer panel 130 that extend forward and backward and are parallel to one another, the inner layer panel 120 being closer to the drawer 20.
  • the upper layer plate 120 is provided with the aforementioned upper sliding groove 150 and the lower sliding groove 140.
  • the upper plate 130 is also provided with an upper sliding groove 150 and a lower sliding groove 140.
  • the upper sliding groove 150 of the inner layer plate 120 and the upper sliding groove 150 of the outer layer plate 130 are oppositely positioned, and the sliding groove 140 and the outer layer of the inner layer plate 120
  • the sliding grooves 140 of the plate 130 are positioned opposite each other.
  • the connecting member 300 is between the inner layer plate 120 and the outer layer plate 130.
  • the rear end of the sliding portion 390 has two rear guiding columns 391 on the left and right sides, and the two rear guiding columns 391 on the two sides respectively enter the two upper sliding slots. 150.
  • the front end of the front end of the rotating portion 380 has a leading post 381.
  • One of the leading posts 381 is inserted into the sliding groove 140 of the outer plate 130, and the other leading post 310 passes through the sliding groove 140 of the inner layer 120 to protrude the surface of the bracket 100.
  • the front end of the sliding portion 390 has a hole 395, and the rotating portion 380 has a shaft 382 which is inserted into the hole 395 to realize a rotational connection of the sliding portion 390 and the rotating portion 380.
  • the stopper portion 382 is a cylindrical shape having a diameter larger than the diameter of the leading post 381, and the inner side of the inner layer plate 120 (the side close to the drawer) is formed with a recess extending in the direction of the sliding groove 140 to accommodate the stopper portion 382.
  • the groove 160 is to make the rotating portion 380 more stable.
  • the resilient element is configured to apply a rearward resilient preload to the connector 300.
  • the elastic member may specifically be a tension spring 500.
  • the front end of the tension spring 500 is fixed to the rear portion of the sliding portion 380 of the connecting member 300, and the rear end is fixed to the bracket 100.
  • the drawer 20 is in a normally open state as shown in FIGS. 5 and 6.
  • the connecting member 300 is subjected to a rearward elastic preload, so that the leading post 310 is caught in the front vertical section 141.
  • the upper bar 210 and the lower bar 220 are located in front of the front pillar 310.
  • the leading post 310 When the leading post 310 enters the horizontal section 142, it will be moved back under the action of the elastic preload to just reach the front side of the lower bar 220, and then push the lower bar 220 along the horizontal section 142 under the elastic preload. Accelerate the backward movement, that is, push the drawer 20 to accelerate backward. Until the drawer 20 is fully closed, the front guide post 310 is just at the rear end of the horizontal section 142.
  • the front end of the lower rail 220 is located at a preset distance (for example, 1 to 3 cm) in front of the front pillar 310 (rather than just touching The lower guide bar 220), after the front guide post 310 is disengaged from the front vertical section 141, is accelerated and moved backward by the elastic pre-tightening force to strike the lower guide bar 220, and a prompt sound is emitted to prompt the user to close the drawer.
  • the user hears the tone, the user can release the hand and the drawer 20 is automatically closed, so that the user experience is very good.
  • the drawer 20 is in an abnormally open state. As shown in FIGS. 9 and 10, the drawer 20 is at the rear end of the front pillar 310 at the horizontal section 142, and the upper rail 210 and the lower rail 220 are located in front of the front pillar 310, at which time the mechanism has failed.
  • the user needs to move the drawer 20 backwards, so that the lower bar 220 is moved back to the position in contact with the front pillar 310, and the lower bar 220 is moved backward while the bottom edge thereof presses the front pillar 310, so that the front pillar 310 enters the rear vertical segment 143.
  • the lower guide bar 220 In order to allow the lower guide bar 220 to pass over the front guide post 310 (as shown in FIGS.
  • the connecting member 300 is rotated by the elastic preload, so that the front guide post 310 is moved up to reposition the lower guide bar 220.
  • the front side returns to the state shown in Figs. 7 and 8.
  • the drawer 20 is returned to the normal closed state so that the user can complete the normal opening process later.
  • the refrigerator 1 includes a case 2 defining a storage compartment 3 and at least one drawer assembly according to any of the above embodiments.
  • the two support assemblies 10 are respectively mounted on the left and right side walls of the storage compartment, and the drawer 20 is disposed in the storage compartment in a front-rear manner.

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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)
  • Drawers Of Furniture (AREA)

Abstract

La présente invention concerne un réfrigérateur et un ensemble de tiroir associé. L'ensemble de tiroir comprend un tiroir (20), les côtés gauche et droit du tiroir étant chacun pourvus d'une bande de guidage supérieure (210) et d'une bande de guidage inférieure (220); deux ensembles de support (10) sont respectivement fixés aux côtés gauche et droit d'un compartiment de stockage et comprennent chacun un support (100) qui comporte une rainure de coulissement supérieure (150) et une rainure de coulissement inférieure (140), la rainure de coulissement inférieure (140) ayant une section verticale avant (141), une section horizontale (142) et une section verticale arrière (143); un élément de raccordement (300) comprend une partie de coulissement (390) montée sur la rainure de coulissement supérieure (150) et une partie rotative (380), la partie rotative (380) étant pourvue d'une colonne de guidage avant (381) qui s'étend dans la rainure de coulissement inférieure (140), une partie d'arrêt (382) est disposée sur la colonne de guidage avant, et la partie d'arrêt (382) et une extrémité de la partie rotative (380) sont respectivement retenues sur les côtés gauche et droit de la rainure de coulissement inférieure (140) ; un élément élastique exerce une force élastique sur l'élément de raccordement (300); lorsque le tiroir (20) est fermé, la bande de guidage supérieure (210) se déplace vers l'arrière et abaisse la colonne de guidage avant (381) de sorte que la colonne de guidage avant soit séparée de la section verticale avant (141) et pénètre dans la section horizontale (142) et appuie sur l'avant de la bande de guidage inférieure (220), de façon à pousser le tiroir (20) vers l'arrière sous l'action de la force élastique; lorsque le tiroir (20) avance, la bande de guidage inférieure (220) pousse la colonne de guidage avant (381) vers l'avant pour retenir la colonne de guidage avant dans la section verticale avant (141); et lorsque le tiroir (20) se déplace vers l'arrière dans un état anormal, la bande de guidage inférieure (220) se déplace vers l'arrière et appuie sur la colonne de guidage avant (381) de sorte que celle-ci entre dans la section verticale arrière (143), de façon à permettre à la bande de guidage inférieure (220) de traverser la colonne de guidage avant (381) et de localiser à nouveau la colonne de guidage avant devant la bande de guidage inférieure (220).
PCT/CN2018/118678 2017-11-30 2018-11-30 Réfrigérateur et ensemble de tiroir associé WO2019105474A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201711241293.2 2017-11-30
CN201711241293.2A CN108050759B (zh) 2017-11-30 2017-11-30 冰箱及其抽屉组件

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WO2019105474A1 true WO2019105474A1 (fr) 2019-06-06

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108050759B (zh) * 2017-11-30 2019-10-01 青岛海尔股份有限公司 冰箱及其抽屉组件
CN108204708B (zh) * 2018-03-02 2020-05-26 青岛海尔股份有限公司 冰箱及其抽屉组件
US20200224959A1 (en) * 2019-01-11 2020-07-16 Haier Us Appliance Solutions, Inc. Soft close drawer assembly for a refrigerator appliance
US11519664B2 (en) 2020-07-16 2022-12-06 Haler US Appliance Solutions, Inc. Retractable soft-close shelf system
CN113266988B (zh) * 2021-04-21 2022-11-25 合肥艾普科技有限公司 一种冰箱冷冻室抽屉

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US5580138A (en) * 1994-08-31 1996-12-03 Alfit Aktiengesellschaft Retraction-assisting device for use with a drawer
CN1483981A (zh) * 2002-09-19 2004-03-24 ���ǵ�����ʽ���� 具有密闭性滑动部件的抽屉式冰箱
CN1537489A (zh) * 2003-03-31 2004-10-20 Thk��ʽ���� 伸缩装置、抽屉装置和滑门装置
DE202004005322U1 (de) * 2003-11-05 2005-03-24 Alfit Ag Goetzis Einzugsautomatik für Schubladen-Ausziehführungen
JP2008125999A (ja) * 2006-11-24 2008-06-05 Nifco Inc 引込機構
WO2010112593A1 (fr) * 2009-04-04 2010-10-07 Karl Simon Gmbh & Co. Kg Dispositif d'escamotage
CN204427244U (zh) * 2014-12-31 2015-07-01 无锡海达尔精密滑轨有限公司 一种能自动缓冲回收的抽屉滑轨装置
CN108050759A (zh) * 2017-11-30 2018-05-18 青岛海尔股份有限公司 冰箱及其抽屉组件

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AT509934B1 (de) * 2010-05-20 2016-01-15 Blum Gmbh Julius Antriebsvorrichtung zum bewegen eines bewegbaren möbelteils

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5580138A (en) * 1994-08-31 1996-12-03 Alfit Aktiengesellschaft Retraction-assisting device for use with a drawer
CN1483981A (zh) * 2002-09-19 2004-03-24 ���ǵ�����ʽ���� 具有密闭性滑动部件的抽屉式冰箱
CN1537489A (zh) * 2003-03-31 2004-10-20 Thk��ʽ���� 伸缩装置、抽屉装置和滑门装置
DE202004005322U1 (de) * 2003-11-05 2005-03-24 Alfit Ag Goetzis Einzugsautomatik für Schubladen-Ausziehführungen
JP2008125999A (ja) * 2006-11-24 2008-06-05 Nifco Inc 引込機構
WO2010112593A1 (fr) * 2009-04-04 2010-10-07 Karl Simon Gmbh & Co. Kg Dispositif d'escamotage
CN204427244U (zh) * 2014-12-31 2015-07-01 无锡海达尔精密滑轨有限公司 一种能自动缓冲回收的抽屉滑轨装置
CN108050759A (zh) * 2017-11-30 2018-05-18 青岛海尔股份有限公司 冰箱及其抽屉组件

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CN108050759B (zh) 2019-10-01

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