EP3153804B1 - A refrigerator comprising a self-closing drawer - Google Patents

A refrigerator comprising a self-closing drawer Download PDF

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Publication number
EP3153804B1
EP3153804B1 EP16184912.0A EP16184912A EP3153804B1 EP 3153804 B1 EP3153804 B1 EP 3153804B1 EP 16184912 A EP16184912 A EP 16184912A EP 3153804 B1 EP3153804 B1 EP 3153804B1
Authority
EP
European Patent Office
Prior art keywords
drawer
refrigerator
fixed
locking means
closed
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.)
Active
Application number
EP16184912.0A
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German (de)
French (fr)
Other versions
EP3153804A1 (en
Inventor
Sedat CELIKER
Tuna AYAN
Semih Erol
Kemal Mert MAKINACI
Deniz AKTUNA
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.)
Arcelik AS
Original Assignee
Arcelik AS
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 Arcelik AS filed Critical Arcelik AS
Priority to PL16184912T priority Critical patent/PL3153804T3/en
Publication of EP3153804A1 publication Critical patent/EP3153804A1/en
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Publication of EP3153804B1 publication Critical patent/EP3153804B1/en
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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

Definitions

  • the present invention relates to a refrigerator comprising a drawer that automatically closes.
  • Refrigerators comprise a fresh food compartment wherein foods and beverages are stored and a freezing compartment that enables foods to be stored by being frozen
  • the refrigerators comprise one or more than one drawer accessible from above.
  • various movement mechanisms having rails, slides and/or wheels are used.
  • leaving the drawer open causes the foodstuffs to spoil and the energy consumption to increase.
  • United States Patent Application US 2006/087208 A1 discloses a refrigerator having an electrical conductor that extends together with a drawer, wherein a winding device adjusts the length of the conductor.
  • the aim of the present invention is the realization of a cooler wherein the open drawer is enabled to be automatically closed.
  • the cooling device realized in order to attain the aim of the present invention, explicated in the first claim and the respective claims thereof, by means of a connection member with one end connected to a spring and the other to a drawer, enables the drawer left open or not completely closed to be brought to the closed position by means of the spring and thus completely closed.
  • the drawer is prevented from remaining open.
  • connection member provides the connection between the spring and the drawer and the movement of the drawer is transferred to the spring by means of the said connection member.
  • the position information of the drawer is determined by means of a control unit according to the relative position of a sensor and a magnet.
  • the sensor is a reed switch that detects magnetic fields.
  • a locking means moves as a motor is actuated according to the position information received from the control unit and locks or frees a pin. If the drawer is not closed in a period predetermined by the producer, the control unit operates the motor so as to rotate the locking means and thus the pin is freed. In this case, the coil spring that has compressed and stored energy during the opening of the drawer is freed when the pin is freed and the stored energy is spent to bring the drawer to the closed position.
  • the drawer is automatically closed.
  • the refrigerator (1) comprises a body (2) wherein the beverages and foodstuffs are placed and that has an inlet port (4) enabling the user to access therein, two side walls (5) and a rear wall (6); one or more than one door (3) that prevents the heat transfer between the body (2) and the outer environment when closed, that enables the user to access the interior of the body (2) when opened and that is mounted to one side of the body (2); at least one drawer (7) that is disposed into the body (2) and that moves in the horizontal plane between the side walls (5),
  • connection member (9) with one end connected to the spring (8) and the other end to the drawer (7) moves together with the drawer (7) and pulls the spring (8).
  • the user releases the drawer (7) and by means of the spring (8) the connection member (9) and the drawer (7) whereto the connection member (9) is fixed return to their initial position.
  • the spring (8) also called a coil spring, is a spring (8) in spiral form, that is produced from metal and that is wrapped on itself around the point where the same is fixed to the side wall (5).
  • One end of the spring (8) is fixed to the side wall (5) and the other end to the connection member (9).
  • the refrigerator (1) comprises a magnet (14) that is fixed at the rear side of the drawer (7), a sensor (13) that detects if the drawer (7) is open or not, that is in the passive position upon detecting the magnet (14) when the drawer (7) is in the closed position and changes to the active position when the drawer (7) is opened, and a control unit (15) that evaluates the information received from the sensor (13) ( Figure 4 and Figure 5 ).
  • the sensor (13) is a reed switch that is mounted onto the rear wall (6) and that is activated by magnetic field When the drawer (7) is closed, the magnet (14) triggers the reed switch and the information that the drawer (7) is closed is delivered to the control unit (15). Since the magnet (14) does not trigger the reed switch when the drawer (7) is open, the sensor (13) shifts to the active position and the information that the drawer (7) is open is delivered to the control unit (15).
  • the refrigerator (1) comprises a sensor (13) that is in the active position upon detecting the magnet (14) when the drawer (7) is closed and that changes to the passive position when the drawer (7) is opened.
  • the refrigerator (1) comprises a locking means (11) that is fixed to the side wall (5), a motor (12) that moves the locking means (11) and that is controlled by the control unit (15), and a pin (10) that is fixed to the side of the drawer (7) and that moves together with the drawer (7).
  • the locking means (11) is a L-shaped pin with one end connected to the motor (12).
  • the magnet (14) moves away from the sensor (13) while the drawer (7) is being opened and the sensor (13) shifts to the active position and delivers the information that the drawer (7) is open. Consequently, the control unit (15) operates the motor (12) so as to rotate the locking means (11) and thus the pin (10), that remains between the rear wall (6) and the locking means (11) when the drawer (7) is closed, is enabled to pass to the other side of the locking means (11), in other words between the inlet port (4) and the locking means (11). After this stage, the locking means (11) is rotated again and assumes the locking position and as long as the drawer (7) remains open, the pin (10) is enabled to remain attached to the locking means (11) and the drawer (7) is prevented from closing.
  • the control unit (15) operates the motor (12).
  • the locking means (11) with one end connected to the motor (12) starts to rotate around its own axis and enables the pin (10) to be freed from the locking means (11).
  • the drawer (7) is pulled by the spring (8) and the connection member (9) by means of the energy stored in the spring (8) while the drawer (7) is being opened, and the drawer (7) is enabled to automatically change to the closed position ( Figure 6 and Figure 7 ).
  • the refrigerator (1) comprises rails (17) that are oppositely fixed to the side walls (5) and that enable the drawer (7) to be placed into the body (2) and to move forwards and backwards in the body (2), and a pair of slides (16) that are fixed to the side walls (5) of the drawer (7).
  • the slides (16) seat into the rails (17) and move with respect to each other.
  • the drawer (7) in case the drawer (7) is left open or not properly closed, the drawer (7) is enabled to be automatically closed. Thus, unfavorable situations that may occur due to the drawer (7) remaining open are prevented.

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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)

Description

  • The present invention relates to a refrigerator comprising a drawer that automatically closes.
  • Refrigerators comprise a fresh food compartment wherein foods and beverages are stored and a freezing compartment that enables foods to be stored by being frozen In recent years, to meet customer demands, the refrigerators comprise one or more than one drawer accessible from above. In order to enable the drawer to open/close easily, various movement mechanisms having rails, slides and/or wheels are used. In the refrigerators comprising drawers, leaving the drawer open causes the foodstuffs to spoil and the energy consumption to increase.
  • In the state of the art European Patent Application No. EP2659210 , a drawer is disclosed, that moves forwards and backwards in the cooling device by means of a movement mechanism.
  • International Patent Application WO 2006/006707 A1 discloses a refrigerator having a door with a spring that causes the door to close by itself.
  • United States Patent Application US 2006/087208 A1 discloses a refrigerator having an electrical conductor that extends together with a drawer, wherein a winding device adjusts the length of the conductor.
  • The aim of the present invention is the realization of a cooler wherein the open drawer is enabled to be automatically closed.
  • The cooling device realized in order to attain the aim of the present invention, explicated in the first claim and the respective claims thereof, by means of a connection member with one end connected to a spring and the other to a drawer, enables the drawer left open or not completely closed to be brought to the closed position by means of the spring and thus completely closed. Thus, in cases when the drawer is forgotten to be closed or not properly closed, the drawer is prevented from remaining open.
  • The connection member provides the connection between the spring and the drawer and the movement of the drawer is transferred to the spring by means of the said connection member.
  • The position information of the drawer is determined by means of a control unit according to the relative position of a sensor and a magnet. The sensor is a reed switch that detects magnetic fields.
  • A locking means moves as a motor is actuated according to the position information received from the control unit and locks or frees a pin. If the drawer is not closed in a period predetermined by the producer, the control unit operates the motor so as to rotate the locking means and thus the pin is freed. In this case, the coil spring that has compressed and stored energy during the opening of the drawer is freed when the pin is freed and the stored energy is spent to bring the drawer to the closed position.
  • By means of the present invention, by detecting that the drawer is left open or not properly closed by the user, the drawer is automatically closed.
  • A cooler realized in order to attain the aim of the present invention is illustrated in the attached figures, where:
    • Figure 1 - is the general view of a cooler and a drawer therein.
    • Figure 2 - is the perspective view of the cooler without the drawer.
    • Figure 3 - is the sideways view of the cooler and the drawer therein.
    • Figure 4 - is the rear perspective view of the drawer.
    • Figure 5 - is the sideways detailed view of the rail, the sensor, the connection member, the coil spring and the locking means.
    • Figure 6 - is the sideways view of the coil spring when the drawer is open and closed.
    • Figure 7 - is the view of the relative positions of the pin and the locking means when the drawer is closed and open.
  • The elements illustrated in the figures are numbered as follows:
    1. 1. Refrigerator
    2. 2. Body
    3. 3. Door
    4. 4. Inlet port
    5. 5. Side wall
    6. 6. Rear wall
    7. 7. Drawer
    8. 8. Spring
    9. 9. Connection member
    10. 10. Pin
    11. 11. Locking means
    12. 12. Motor
    13. 13. Sensor
    14. 14. Magnet
    15. 15. Control unit
    16. 16. Slide
    17. 17. Rail
  • The refrigerator (1) comprises a body (2) wherein the beverages and foodstuffs are placed and that has an inlet port (4) enabling the user to access therein, two side walls (5) and a rear wall (6); one or more than one door (3) that prevents the heat transfer between the body (2) and the outer environment when closed, that enables the user to access the interior of the body (2) when opened and that is mounted to one side of the body (2); at least one drawer (7) that is disposed into the body (2) and that moves in the horizontal plane between the side walls (5),
    • a spring (8) that is fixed to the side wall (5) and that enables the drawer (7) to automatically close when the force applied onto the drawer (7) in the open position is removed, and
    • a connection member (9) with one end connected to the spring (8) and the other end to the drawer (7) (Figure 1, Figure 2 and Figure 3).
  • When the user wants to load or unload the drawer (7) by opening the door (3) of the refrigerator (1), he/she holds and pulls the drawer (7). As a result of this pulling force, the drawer (7) disposed between the two opposing side walls (5) moves in the horizontal direction and gets close to the inlet port (4). In this case, the connection member (9) with one end connected to the spring (8) and the other end to the drawer (7) moves together with the drawer (7) and pulls the spring (8). After the drawer (7) is loaded or unloaded, the user releases the drawer (7) and by means of the spring (8) the connection member (9) and the drawer (7) whereto the connection member (9) is fixed return to their initial position.
  • The spring (8), also called a coil spring, is a spring (8) in spiral form, that is produced from metal and that is wrapped on itself around the point where the same is fixed to the side wall (5). One end of the spring (8) is fixed to the side wall (5) and the other end to the connection member (9).
  • In an embodiment of the present invention, the refrigerator (1) comprises a magnet (14) that is fixed at the rear side of the drawer (7), a sensor (13) that detects if the drawer (7) is open or not, that is in the passive position upon detecting the magnet (14) when the drawer (7) is in the closed position and changes to the active position when the drawer (7) is opened, and a control unit (15) that evaluates the information received from the sensor (13) (Figure 4 and Figure 5). In an embodiment of the present invention, the sensor (13) is a reed switch that is mounted onto the rear wall (6) and that is activated by magnetic field When the drawer (7) is closed, the magnet (14) triggers the reed switch and the information that the drawer (7) is closed is delivered to the control unit (15). Since the magnet (14) does not trigger the reed switch when the drawer (7) is open, the sensor (13) shifts to the active position and the information that the drawer (7) is open is delivered to the control unit (15).
  • In another embodiment of the present invention, the refrigerator (1) comprises a sensor (13) that is in the active position upon detecting the magnet (14) when the drawer (7) is closed and that changes to the passive position when the drawer (7) is opened.
  • In another embodiment of the present invention, the refrigerator (1) comprises a locking means (11) that is fixed to the side wall (5), a motor (12) that moves the locking means (11) and that is controlled by the control unit (15), and a pin (10) that is fixed to the side of the drawer (7) and that moves together with the drawer (7). The locking means (11) is a L-shaped pin with one end connected to the motor (12).
  • The magnet (14) moves away from the sensor (13) while the drawer (7) is being opened and the sensor (13) shifts to the active position and delivers the information that the drawer (7) is open. Consequently, the control unit (15) operates the motor (12) so as to rotate the locking means (11) and thus the pin (10), that remains between the rear wall (6) and the locking means (11) when the drawer (7) is closed, is enabled to pass to the other side of the locking means (11), in other words between the inlet port (4) and the locking means (11). After this stage, the locking means (11) is rotated again and assumes the locking position and as long as the drawer (7) remains open, the pin (10) is enabled to remain attached to the locking means (11) and the drawer (7) is prevented from closing. When the drawer (7) is not closed properly or is left open, the sensor (13) detects that the drawer (7) is left open and delivers this information to the control unit (15). In this case, the control unit (15) operates the motor (12). When the motor (12) is operated, the locking means (11) with one end connected to the motor (12) starts to rotate around its own axis and enables the pin (10) to be freed from the locking means (11). As the pin (10) is freed from the locking means (11), the drawer (7) is pulled by the spring (8) and the connection member (9) by means of the energy stored in the spring (8) while the drawer (7) is being opened, and the drawer (7) is enabled to automatically change to the closed position (Figure 6 and Figure 7).
  • In another embodiment of the present invention, the refrigerator (1) comprises rails (17) that are oppositely fixed to the side walls (5) and that enable the drawer (7) to be placed into the body (2) and to move forwards and backwards in the body (2), and a pair of slides (16) that are fixed to the side walls (5) of the drawer (7). The slides (16) seat into the rails (17) and move with respect to each other.
  • By means of the present invention, in case the drawer (7) is left open or not properly closed, the drawer (7) is enabled to be automatically closed. Thus, unfavorable situations that may occur due to the drawer (7) remaining open are prevented.

Claims (7)

  1. A refrigerator (1) comprising
    - a body (2) wherein beverages and foodstuffs are placed and that has an inlet port (4) enabling the user to access therein, two side walls (5) and a rear wall (6);
    - one or more than one door (3) that prevents heat transfer between the body (2) and an outer environment when closed, that enables the user to access the interior of the body (2) when opened and that is mounted to one side of the body (2);
    - at least one drawer (7) that is disposed into the body (2) and that moves in an horizontal plane between the side walls (5);
    - a spring (8) that is fixed to the side wall (5) and that enables the drawer (7) to automatically close when a force applied onto the drawer (7) in the open position is removed; and
    - a connection member (9) with one end connected to the spring (8) and the other end to the drawer (7);
    characterized by
    - a locking means (11) that is fixed to the side wall (5),
    - a motor (12) that moves the locking means (11) and that is controlled by a control unit (15), and
    - a pin (10) that is fixed to the side of the drawer (7) and that moves together with the drawer (7), wherein the pin (10) remains between the rear wall (6) and the locking means (11) when the drawer (7) is closed and remains between the inlet port (4) and the locking means (11) when the drawer (7) is open.
  2. A refrigerator (1) as in Claim 1, characterized by the spring (8) in spiral form, that is produced from metal and that is wrapped on itself around the point where the same is fixed to the side wall (5).
  3. A refrigerator (1) as in Claim 1, characterized by a magnet (14) that is fixed at the rear side of the drawer (7), a sensor (13) that detects if the drawer (7) is open or not, that is in the passive position upon detecting the magnet (14) when the drawer (7) is in the closed position and changes to the active position when the drawer (7) is opened, and a control unit (15) that evaluates the information received from the sensor (13).
  4. A refrigerator (1) as in Claim 1, characterized by a sensor (13) that is in the active position upon detecting the magnet (14) when the drawer (7) is closed and that changes to the passive position when the drawer (7) is opened.
  5. A refrigerator (1) as in Claim 3, characterized by the sensor (13) that comprises a reed switch that is activated by a magnetic field.
  6. A refrigerator (1) as in any of Claims 1 to 5, characterized by the locking means (11) that is a L-shaped pin with one end connected to the motor (12).
  7. A refrigerator (1) as in Claim 1, characterized by rails (17) that are oppositely fixed to the side walls (5) and that enable the drawer (7) to be placed into the body (2) and to move forwards and backwards in the body (2), and a pair of slides (16) that are fixed to the side walls (5) of the drawer (7).
EP16184912.0A 2015-10-08 2016-08-19 A refrigerator comprising a self-closing drawer Active EP3153804B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL16184912T PL3153804T3 (en) 2015-10-08 2016-08-19 A refrigerator comprising a self-closing drawer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TR201512509 2015-10-08

Publications (2)

Publication Number Publication Date
EP3153804A1 EP3153804A1 (en) 2017-04-12
EP3153804B1 true EP3153804B1 (en) 2019-08-07

Family

ID=56740159

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16184912.0A Active EP3153804B1 (en) 2015-10-08 2016-08-19 A refrigerator comprising a self-closing drawer

Country Status (2)

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EP (1) EP3153804B1 (en)
PL (1) PL3153804T3 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109708415B (en) * 2018-09-17 2021-01-05 合肥海尔电冰箱有限公司 Automatic pop-up drawer assembly and refrigerator with same
CN109708416B (en) * 2018-09-17 2021-01-12 合肥海尔电冰箱有限公司 Drawer component
TR201908651A2 (en) * 2019-06-12 2020-12-21 Arcelik As COOLING DEVICE CONTAINING A HOPPER
EP4392215A1 (en) * 2021-12-02 2024-07-03 Koenig & Bauer AG Tool-carrier for a punching tool, system which has a processing machine, a tool-carrier, and a lifting means, and method for changing a punching tool

Family Cites Families (8)

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Publication number Priority date Publication date Assignee Title
JP2712135B2 (en) * 1992-05-15 1998-02-10 スガツネ工業株式会社 Automatic retraction device
WO2006006707A1 (en) * 2004-07-09 2006-01-19 Matsushita Electric Industrial Co., Ltd. Door device and refrigerator
US20060087208A1 (en) * 2004-10-26 2006-04-27 Lg Electronics Inc. Refrigerator
US8979621B2 (en) * 2007-06-05 2015-03-17 Electrolux Home Products, Inc. Storage systems
EP2267386A3 (en) * 2009-06-22 2014-01-29 Samsung Electronics Co., Ltd. Refrigerator
KR101831614B1 (en) * 2010-01-28 2018-02-26 삼성전자주식회사 Refrigerator
PL2659210T3 (en) 2010-12-30 2018-03-30 Arçelik Anonim Sirketi A cooling device comprising a drawer
KR101626677B1 (en) * 2014-11-18 2016-06-01 엘지전자 주식회사 Rail assembly equipped with auto closing unit and Refrigerator having the same

Non-Patent Citations (1)

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Title
None *

Also Published As

Publication number Publication date
PL3153804T3 (en) 2020-03-31
EP3153804A1 (en) 2017-04-12

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