EP2664875A1 - Niederdruckbehälter und Kühlschrank damit - Google Patents

Niederdruckbehälter und Kühlschrank damit Download PDF

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Publication number
EP2664875A1
EP2664875A1 EP13167479.8A EP13167479A EP2664875A1 EP 2664875 A1 EP2664875 A1 EP 2664875A1 EP 13167479 A EP13167479 A EP 13167479A EP 2664875 A1 EP2664875 A1 EP 2664875A1
Authority
EP
European Patent Office
Prior art keywords
low
pressure container
door
handle
transmission part
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
EP13167479.8A
Other languages
English (en)
French (fr)
Other versions
EP2664875B1 (de
Inventor
Junsheng Cai
Yuan DING
Baoying Jia
Jicong SONG
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete GmbH
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 BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP2664875A1 publication Critical patent/EP2664875A1/de
Application granted granted Critical
Publication of EP2664875B1 publication Critical patent/EP2664875B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E05B65/0042—For refrigerators or cold rooms
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C9/00—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing
    • E05C9/08—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with a rotary bar for actuating the fastening means
    • 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
    • F25D23/025—Secondary closures
    • 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
    • F25D23/028—Details
    • 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
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/042—Air treating means within refrigerated spaces
    • 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
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/04—Treating air flowing to refrigeration compartments
    • F25D2317/043—Treating air flowing to refrigeration compartments by creating a vacuum in a storage compartment
    • 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

Definitions

  • the present invention relates to a low-pressure container and a refrigerator comprising the low-pressure container. More particularly, the present invention relates to a low-pressure container, having an openable and closable door, for a refrigerator and a household or commercial refrigerator comprising such low-pressure container.
  • Chinese patent application CN1013243942A discloses a refrigeration appliance having a low-pressure storage unit (also called as a "vacuum storage unit").
  • the low-pressure storage unit is provided with a locking mechanism for locking a door of the low-pressure storage with a main body of the low-pressure storage when the door is closed, as well as a handle which is provided in a manner of linkage with the locking mechanism.
  • the handle is disposed at a front end of the door and comprises a rod body being located in front of the door and extending approximately across a width of the door, left and right supporting parts being connected to both ends of the rod body and extending backwardly as well as a handle operating part being connected at a central portion of the rod body.
  • the locking mechanism comprises a first mating part located on an end of the supporting part and a corresponding second mating part located on an outer surface of a side wall of the main body.
  • the rod body when the handle is operated, the rod body must be separated from a front surface of the door by a distance such that the rod body is rotatable about a rotational axis, which rotational axis is defined by a fulcrum shaft connected to the supporting part and extends in the door interior.
  • This increases the volume occupied by the low-pressure storage unit and thus reduces available space in the refrigeration appliance.
  • it is unaesthetic that the rod body is exposed in front of the storage unit.
  • Cisokaki39A discloses a storage unit.
  • This storage unit is compact in structure such that a first mating part of the storage unit can be fitted with a second mating part of the storage unit without extending outside of a side wall of a main body of the storage unit.
  • a locking mechanism is not necessarily held between the side wall of the main body and a corresponding inner wall of the storage compartment of the refrigeration appliance. This facilitates improving space utilization in the refrigeration appliance.
  • the locking mechanism or its locking effect need be provided or implemented at a vertical middle position of a front opening of the main body of the storage unit.
  • the position of the locking mechanism of the storage unit is securely connected to a rod body which is also securely connected to a handle, the position of the locking mechanism is restricted and at the same time the position of the handle on the door is also restricted. That is, the handle has to be located at a middle position of the door such that it is difficult to design the door body with a pleasing appearance.
  • the present invention presents a low-pressure container for a refrigerator, comprising: a main body, wherein the main body defines a storage compartment having an opening portion for loading or unloading items; a door for selectively opening or closing the opening portion; a locking mechanism for locking the door with the main body when the door is in a closed position, wherein the locking mechanism comprises at least a first mating part located on the door and a second mating part located on the main body and adapted to engage and lock with the first mating part; and a handle which is rotatable around a first rotational axis and able to drive the first mating part to rotate; wherein the low-pressure container further comprises a transmission mechanism by which the handle drives the first mating part to rotate around a second rotational axis, and wherein the second rotational axis is not coaxial with the first rotational axis.
  • the first mating part is driven by the handle via a transmission mechanism to rotate. Due to the transmission mechanism, the rotational axis of the handle is not coaxial with the rotational axis of the first mating part. That is, the two rotational axes are not the same rotational axis such that the problem in the prior art that the handle position is restricted by the locking mechanism position is solved.
  • the handle can be disposed upwardly or downwardly relative to the middle position of the door where it was disposed as previous. That is, according to technology requirements, the handle can be provided in a relatively free manner on the door. Therefore, more designs can be adopted such that the door can be readily designed with an appealing appearance.
  • the second rotational axis is parallel to the first rotational axis such that the handle and the first mating part can be readily rotated at the same time.
  • the transmission mechanism is a linkage transmission mechanism which is advantageous by simple structure and flexible operation.
  • the linkage transmission mechanism comprises a first transmission part, a second transmission part and a third transmission part coupling the first transmission part with the second transmission part.
  • both the first transmission part and the second transmission part are rotatable components, and the third transmission part is a translational component.
  • the first transmission part is rotatable around the first rotational axis
  • the second transmission part is rotatable around the second rotational axis.
  • the third transmission part is able to translate in the door.
  • the third transmission part is substantially plate-shaped so as to couple the first transmission part with the second transmission part more reliably.
  • both the first rotational axis and the second rotational axis are located in a plane which is parallel to the third transmission part.
  • the locking mechanism comprises four first mating parts located on the door and four second mating parts located on the main body and adapted to engage and lock with said four first mating parts.
  • two sealing and locking points are added. Therefore, the number of the sealing and locking points becomes four than the previous case such that a reinforced sealing and locking effect is obtained.
  • the low-pressure container further comprises a first rod body, the handle is coupled to the first rod body via the transmission mechanism, and one of the first mating parts is securely connected to either end of the first rod body.
  • first rod body By providing the first rod body, two first mating parts can be both driven by rotation of a single handle to rotate.
  • the low-pressure container further comprises a second rod body, the second rod body is securely connected to the handle, the second rod body has a central axis as the first rotational axis, and one of the first mating parts is securely connected to either end of the second rod body.
  • the second rod body By providing the second rod body, two rod bodies can be both driven by rotation of a single handle to rotate such that four first mating parts are driven to rotate.
  • the transmission mechanism is a gear transmission mechanism which is more reliable than other transmission mechanisms such that a rotational consistency of the first mating part and the handle is ensured.
  • the gear transmission mechanism is coupled to each first mating part, and the handle is used to drive the first mating part via the gear transmission mechanism to rotate.
  • the rotational axis of the handle is separated from two first mating parts, and is disposed upwardly or downwardly relative to a central position on the door where the handle was disposed as usual. Therefore, the handle is no longer limited by the position of the locking mechanism.
  • the gear transmission mechanism comprises a first gear transmission part, a second gear transmission part and a third gear transmission part.
  • At least one of the first gear transmission part and the third gear transmission part is substantially a sector gear
  • the second gear transmission part is a wheel gear and meshed with both the first gear transmission part and the third gear transmission part.
  • the third gear transmission part forms an integral structure with the first mating parts. Therefore, the number of the parts is reduced such that more reliable transmission can be obtained.
  • a third rod body is provided between the handle and the gear transmission mechanism, and the third rod body has a central axis as the first rotational axis.
  • the present invention further provides a refrigerator having a low-pressure container as described above.
  • a refrigerator 1 comprises a thermally insulated body 2.
  • the body 2 comprises an outer shell 2a, an inner shell 2b and a heat-insulating layer (not shown) disposed therebetween.
  • the body 2 delimits a plurality of thermally insulated storage compartments 3, 4 and 5 to store items such as foods or the like therein.
  • these storage compartments refer to a cooling compartment 3 at the top of the body, a freezing compartment 5 at the bottom of the body and a (food) preserving compartment 4 therebetween.
  • the interior of the preserving compartment can be maintained at a temperature slightly higher than 0°C.
  • These storage compartments 3, 4, and 5 can be closed by respective compartment doors (not shown).
  • the present invention is not limited by above concrete arrangement of the storage compartments of the refrigerator.
  • the present invention can also be applied for refrigerators of other types, such as a refrigerator whose cooling and freezing compartments are arranged one above another, a side-by-side combination refrigerator whose storage compartments are arranged side by side and a refrigerator having a drawer-type door and/or a French door or the like.
  • the refrigerator 1 is provided with a low-pressure container 7 which can be maintained in a low-pressure state and an evacuating device (not shown) for drawing gas out of the low-pressure container 7.
  • the evacuating device may comprise a vacuum pump and a pipeline (not shown) connected between the vacuum pump and the low-pressure container 7.
  • the low-pressure container 7 is disposed in the preserving compartment 4.
  • the low-pressure container 7 may be disposed in other compartments such as the cooling compartment 3 or a temperature-variable compartment whose interior temperature is switchable between cooling and freezing temperatures.
  • the low-pressure container 7 is located at the bottom of the preserving compartment 4 and is supported on a bottom wall of the preserving compartment 4.
  • a preserving container 6 the interior humidity of which is relatively high and which is adapted to store foods such as vegetables or the like therein.
  • the low-pressure container 7 may be manufactured independently of the body 2 and then is assembled in the body 2.
  • the low-pressure container 7 is of a substantially flat and rectangular shape, the width of which is slightly less than the width of the preserving compartment 4 such that the low-pressure container 7 is insertable into the preserving compartment 4 or pullable out of the preserving compartment 4.
  • the low-pressure container 7 comprises a main body 8 secured in the preserving compartment 4 and a door 10 connected to the main body 8. The door can be pushed into or withdrawn from the preserving compartment 4.
  • the main body 8 is of a box shape, which delimits a flat storage compartment 15 having a food access opening 15a.
  • the access opening 15a is preferably located at a front end of the main body 8 in such a way that it faces towards a user.
  • the main body 8 comprises at least one first member made of metal of high strength (for example steel sheet) and at least one second member made of plastic, which first and second members form, respectively, walls enduring external pressure when the interior of the storage compartment 15 is in a low-pressure state.
  • the first member forms a top wall 20, a bottom wall 21 as well as left and right side walls 22 of the main body 8 such that a box body 11 having front and rear ports is formed.
  • the second member comprises a rear cover 23 for closing the rear port of the box body 11.
  • the rear cover 23 has an evacuating channel for being connected to the evacuating device and an evacuating valve 60 for opening or closing a fluid channel.
  • the door 10 may be provided with an annular sealing element 16 (shown in figure 6 ) such that a hermetical engagement can be formed between the main body 8 and the door 10 when the door 10 is in a closed position. Gas is prevented from entering the storage compartment 15 at the engagement location between the main body 8 and the door 10.
  • the sealing element 16 may also be provided at the front end of the main body 8. When the storage compartment 15 is closed by the door 10 and the evacuating device is activated, gas is drawn out of the storage compartment 15 and thus the storage compartment 15 is in the low-pressure state.
  • a handle 32 may be provided with an openable or closable air feeding channel 19 (shown in figure 6 ) at its rear side, which air feeding channel is provided on a body 26 of the door and used to release the storage compartment 15 from its low-pressure state.
  • the air feeding channel 19 may be opened or closed by operating the handle 32.
  • the low-pressure container 7 comprises at least a pair of locking mechanisms for locking the door 10 at the closed position with the main body 8.
  • each locking mechanism comprises a first mating part 34 disposed on the door 10 and a second mating part 44 disposed on the main body 8.
  • first mating part 34 disposed on the door 10
  • second mating part 44 disposed on the main body 8.
  • the second mating part 44 is connected to a front surface 18 of the main body 8 such that the second mating part protrudes forwardly.
  • the second mating part 44 comprises a base portion 45 being connected to the front surface 18 and protruding forwardly as well as a cylindrical locking portion 46 located in front of the front surface 18.
  • the locking portion 46 is separated from the front surface 18 by a predetermined distance.
  • the locking portion has an axis extending transversely and parallel to the horizontal plane and the front surface 18.
  • the locking portion 46 is disposed at the inner side of the base portion 45.
  • the locking portion 46 comprises an inner pillar 46a secured on the base portion 45 and an outer wheel 46b fitted over the inner pillar 46a and adapted to rotate around the inner pillar 46a.
  • the rotatable outer wheel 46b facilitates reducing friction between the locking portion 46 and the first mating part 44 as they are engaged with each other.
  • the inner pillar 46a may be integrated on the base portion 45.
  • the inner pillar 46a may be manufactured independently of the base portion 45 and then is connected to the latter.
  • the inner pillar 46a may be constituted by a screw secured on the base portion 45.
  • the door 10 comprises the door body 26, a stopping unit 27 secured on the body 26 and a decorative cover 29 connected to the door body 26 for masking corresponding parts of the stopping unit 27.
  • Figure 5 shows a stopping unit 27 according to a first embodiment of the present invention.
  • the stopping unit 27 comprises: a handle 32 which is substantially plate-shaped and rotatable around a rotational axis X, a first rod body 33a under the rotational axis X of the handle 32 and a transmission mechanism 902 for coupling the handle 32 with the first rod body 33a.
  • the transmission mechanism 902 results in the following two technical effects: first, the transmission mechanism is used to transmit rotation of the handle 32 to the first rod body 33a, that is, as the handle 32 is rotated around its rotational axis X, the first rod body 33a is also rotated around its own central axis Y so as to drive the first mating part 33 to rotate and to engage and lock with the second mating part 44; second, the first rod body 22a is separated vertically from the rotational axis X of the handle 32. Because the first mating part 34 is securely connected to either end of the first rod body 33a, the first mating part 34 is also separated vertically from the rotational axis X of the handle 32.
  • the second mating part 44 which corresponds to the first mating part 34, is usually provided at a substantially middle position of the front surface 18 of the main body 8.
  • the handle 32 is not restricted by the position of the first mating part 34 or the locking mechanism. That is, the handle 32 is possibly positioned upwardly or downwardly relative to the middle position of the door where it was positioned as previous.
  • the rotational axis X is not coaxial with the rotational axis Y. That is, the rotational axis X and the rotational axis Y are not the same axis such that the handle 32 is not restricted by the positions of the locking mechanism 34, 44 and can be designed to locate at any desirable position on the door 10.
  • the rotational axis X is parallel to the rotational axis Y, and the position of the handle 32 is not restricted. That is, the handle 32 can be provided in a relatively free manner on the door 10 such that more designs can be adopted. In this way, the door 10 can be readily designed with an appealing appearance.
  • Figures 6 and 7 show a stopping unit 27 according to a second embodiment of the present invention.
  • the stopping unit 27 comprises: a handle 32 which is substantially plate-shaped and rotatable around a rotational axis, a first rod body 33a under the rotational axis of the handle 32, a transmission mechanism 902 for coupling the handle 32 with the first rod body 33a as well as a second rod body 33b directly and securely connected to the handle 32.
  • a first mating part 34 is connected to either end of the second rod body 33b.
  • the second rod body 33b is securely connected to the handle 32, the second rod body 33b can be rotated around its own central axis by rotating the handle 32 such that the first mating part 34 at either end of the second rod body 33b is driven to engage and lock with a corresponding second mating part 44.
  • Four second mating parts 44 shown in figure 3 are arranged in a substantially symmetrical manner adjacent four corners of the front surface 18 of the main body 32. Therefore, the second embodiment may result in a better locking effect than the first one.
  • the position of the handle 32 on the door 10 is relevant to the first mating part 34 located at either end of the second rod body 33b but not restricted by it. That is, the handle 32 may still be provided in a relatively free manner on the door 10.
  • the transmission mechanism (901, 902) may be a gear transmission mechanism 901, a belt transmission mechanism or a linkage transmission mechanism 902 which is adopted in the present embodiment.
  • the linkage transmission mechanism 902 is simple in configuration and efficient in transmission.
  • the linkage transmission mechanism 902 comprises a first transmission part 912, a second transmission part 922 and a third transmission part 932, wherein the first transmission part 912 and the second transmission part 922 are both rotatable and the third transmission part 932 is translational.
  • the first transmission part 912 is rotatable around the first rotational axis X.
  • the second transmission part 922 is rotatable around the second rotational axis Y.
  • the third transmission part 932 is translational in the door 10.
  • the first transmission part 912 is connected to the third transmission part 932 at one end and connected to the handle 32 at the other end.
  • the second transmission part 922 is connected to the third transmission part 932 at one end and connected to the first rod body 33a at the other end.
  • the third transmission part 932 can be configured as a single rod member; a member consisted of two parallel rods or a plate-shaped member.
  • the third transmission part is substantially of a plate shape.
  • the third transmission part 932 is translated. That is, the third transmission part is translated both horizontally and vertically.
  • the plane where the third transmission part 932 is located is always parallel to the rational axis X and the rotational axis Y. Both the first rotational axis X and the second rotational axis Y are located in a plane which is parallel to the third transmission part 932.
  • the first transmission part 912 and the second transmission part 922 are also substantially of a plate shape.
  • the first and second embodiments of the stopping unit 27 according to the present invention are explained above.
  • a third embodiment of the stopping unit 27 according to the present invention is explained below.
  • a second mating part 44 is connected to the front surface 18 of the main body 8 and protrudes forwardly.
  • the second mating part 44 comprises a base portion 45 being connected to the front surface 18 and protruding forwardly as well as a pillar-shaped locking portion 46 located in front of the front surface 18.
  • the locking portion 46 is separated from the front surface 18 by a predetermined distance.
  • the locking portion has an axis extending transversely and parallel to the horizontal plane and the front surface 18.
  • the locking portion 46 is disposed at the inner side of the base portion 45.
  • the stopping unit 27 comprises a handle 32 of a substantial plate shape, a cylindrical rod body 33 secured on the handle 32, two first mating parts 34 and two transmission mechanisms 90 for coupling the first mating parts 34 to both ends of the rod body 33.
  • the transmission mechanisms 90 are used to separate the two first mating parts 34 vertically from a central axis of the rod body 33.
  • the rotational axis X of the handle 32 is also separated vertically from the two first mating parts 34 such that the handle 32 is possibly positioned upwardly or downwardly relative to the middle position of the door where it was positioned as previous.
  • the handle 32 is not restricted by the position of the transmission mechanism and can be provided in a relatively free manner on the door 10, such that more designs can be adopted and thus the door 10 can be readily designed with an appealing appearance.
  • the transmission mechanism 901 is embodied as a gear transmission mechanism 901 as shown in figure 11 . That is, by means of gear train, rotation of the rod body 33 is transmitted to each first mating part 34.
  • the gear transmission mechanism 901 comprises a first gear transmission part 911 secured to an end of the rod body 33, wherein the first gear transmission part 911 is substantially embodied as a sector gear which, by comparison with a wheel gear, is advantageous in that the number of teeth is reduced by half so as to save space in the door 10; a third gear transmission part 931 which forms an integral structure with the first mating part 34 and is also substantially embodied as a sector gear; as well as a second gear transmission part 921 which is embodied as a wheel gear and meshed with the first gear transmission part 911 and the third gear transmission part 931.
  • One first gear transmission part 911 is secured to either end of the rod body 33.
  • the first gear transmission part 911 is sleeved on a corresponding end of the rod body 33 and then fixed on the rod body 33 via a securing device for example a screw. Therefore, when the rod body 33 is installed on the door body 26 such that the rod body is rotated around its own central axis X, the first gear transmission part 911 is also rotated around the central axis X of the rod body 33. Because teeth of the first gear transmission part 911 are meshed with the gear of the second gear transmission part 921, the second gear transmission part 921 is driven to rotate. Similarly, the third gear transmission part 931 is driven by the second gear transmission part 921 to rotate.
  • the gear transmission mechanism 901 is placed between a supporting plate of the side wall for the door 10 and a sealing strip at a corresponding side edge such that the sealing effect between the door and the main body is not influenced.
  • the second gear transmission part 921 and the third gear transmission part 931 are secured on a supporting plate 98 of the door 10 such that they are rotatable around their own rotational centers respectively.
  • the handle 32 After the handle 32 is installed on the door body 26, the handle is rotatably connected to the door 10.
  • the rod body 33 in the door body 26 is also rotated around its own central axis X and, at the same time, the first gear transmission part 911 is driven by it to rotate.
  • the second gear transmission part 921 is driven by the first gear transmission part 911 to rotate.
  • the third gear transmission part 931 is driven by the second gear transmission part 921 to rotate.
  • the first mating part 34 is driven by the third gear transmission part 931 to rotate.
  • the rod body 33 defines a rotational shaft for the handle 32 and the first mating part 34.
  • the central axis X which is defined by the rotational shaft for the handle 32 and the first mating part 34, is immovable relative to the door body 26.
  • the handle 32 is rotatable around the central axis X of the rod body 33 between first and second positions.
  • the first position an angle included between the handle 32 and a front face 26a of the door body 26 reaches its maximal value and a distance measured between a lower end of the handle and the front face 26a of the door body 26 reaches its maximal value. Therefore, the first position is also called as a stretching position.
  • the second position In the second position, the angle included between the handle 32 and the front face 26a of the door body 26 reaches its minimal value and the distance measured between the lower end of the handle and the front face 26a of the door body 26 reaches its minimal value. Therefore, the second position is also called as a retracting position.
  • the first mating part linked with the handle 32 is also limited to rotate between first and second limiting positions.
  • the first mating part 34 When the handle 32 is in the first position, the first mating part 34 is in the first limiting position (shown in figure 12a ).
  • the first mating part 34 When the handle is in the second position, the first mating part 34 is in the second limiting position (shown in figure 12b ).
  • Figure 12a shows that the door 10 is in the closed position but not locked yet.
  • the handle 32 is in the first position.
  • the handle 32 is rotated inwardly around the central axis X of the rod body 33.
  • the rod body 33 is also rotated around its own central axis X so as to drive the first mating part 34 to rotate upwardly such that a cam surface 34a of the first mating part 34 is enabled to progressively approach the locking portion 46 of the second mating part 44.
  • Figure 12b shows that the door 10 is locked with the main body 8.
  • the handle 32 is in the second position. As shown in figure 12b , when the handle 32 is rotated into the second position, the locking portion 46 is forced into the first mating part 34a and engaged tightly with it.
  • the transmission mechanism 90 comprises a first gear transmission part 911 which is secured on an end of the rod body 33 and a third gear transmission part 931 which forms an integral structure with the first mating part 34.
  • Both the first gear transmission part 911 and the third gear transmission part 931 are sector gears and meshed with each other.
  • the first gear transmission part 911 is rotated following rotation of the rod body 33 and at the same time the third gear transmission part 931 is gear-driven to rotate. Since the first mating part 34 forms the integral structure with the third gear transmission part 931, the first mating part 34 and the second mating part 44 are enabled to engage and lock with each other.
  • this embodiment may result in a technical effect that the first mating part 34 is located under the handle 32, it has two shortcomings than the previous embodiments: first, the extent to which the handle 32 is adjusted upwardly relative to the middle position of the door 10 where it was located as previous is reduced; second, because two adjacent gears are rotated reversely, it is necessary to re-design the mechanism between the handle 32 and the rod body 33, which is troublesome.
  • This embodiment described in this paragraph is advantageous by simple structure and easy implementation.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Refrigerator Housings (AREA)
EP13167479.8A 2012-05-16 2013-05-13 Niederdruckbehälter und Kühlschrank damit Active EP2664875B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210162431.9A CN103423952B (zh) 2012-05-16 2012-05-16 低压容器及包括该低压容器的冰箱

Publications (2)

Publication Number Publication Date
EP2664875A1 true EP2664875A1 (de) 2013-11-20
EP2664875B1 EP2664875B1 (de) 2015-07-08

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CN106766619B (zh) * 2016-11-11 2019-05-31 青岛海尔股份有限公司 冰箱及冰箱抽屉
CN106766472B (zh) * 2016-11-11 2019-05-31 青岛海尔股份有限公司 冰箱及冰箱抽屉
CN109403758B (zh) * 2018-12-17 2024-04-12 北京潞电电气设备有限公司 一种井盖锁组件

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FR1050538A (de) * 1954-01-08
EP0170668B1 (de) 1984-01-26 1990-08-08 KRISTENSEN, Jorn Vorrichtung zur behandlung von schrammen
DE202006000293U1 (de) * 2006-01-09 2006-03-16 WELITA Wärme- Elektro- und lichttechnische Anlagen GmbH Hakenverschluss mit ellipsenförmigen Drehelement
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WO2009014365A2 (en) * 2007-07-24 2009-01-29 Lg Electronics Inc. Ice making device and refrigerator therewith
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