WO2019007264A1 - 冰箱 - Google Patents

冰箱 Download PDF

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Publication number
WO2019007264A1
WO2019007264A1 PCT/CN2018/093578 CN2018093578W WO2019007264A1 WO 2019007264 A1 WO2019007264 A1 WO 2019007264A1 CN 2018093578 W CN2018093578 W CN 2018093578W WO 2019007264 A1 WO2019007264 A1 WO 2019007264A1
Authority
WO
WIPO (PCT)
Prior art keywords
positioning
shaft
door body
guiding
groove
Prior art date
Application number
PCT/CN2018/093578
Other languages
English (en)
French (fr)
Inventor
张�浩
夏恩品
王英星
朱小兵
Original Assignee
青岛海尔股份有限公司
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 filed Critical 青岛海尔股份有限公司
Priority to US16/627,040 priority Critical patent/US10876333B2/en
Priority to JP2019565500A priority patent/JP6864123B2/ja
Priority to EP18828223.0A priority patent/EP3650790B1/en
Priority to AU2018295813A priority patent/AU2018295813B2/en
Priority to NZ759118A priority patent/NZ759174B2/en
Publication of WO2019007264A1 publication Critical patent/WO2019007264A1/zh

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D7/00—Hinges or pivots of special construction
    • E05D7/04—Hinges adjustable relative to the wing or the frame
    • E05D7/0407—Hinges adjustable relative to the wing or the frame the hinges having two or more pins and being specially adapted for cabinets or furniture
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D11/00—Additional features or accessories of hinges
    • E05D11/06—Devices for limiting the opening movement of hinges
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D11/00—Additional features or accessories of hinges
    • E05D11/10—Devices for preventing movement between relatively-movable hinge parts
    • E05D11/1007—Devices for preventing movement between relatively-movable hinge parts with positive locking
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D11/00—Additional features or accessories of hinges
    • E05D11/10—Devices for preventing movement between relatively-movable hinge parts
    • E05D11/1028—Devices for preventing movement between relatively-movable hinge parts for maintaining the hinge in two or more positions, e.g. intermediate or fully open
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D15/00—Suspension arrangements for wings
    • E05D15/56—Suspension arrangements for wings with successive different movements
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D3/00—Hinges with pins
    • E05D3/06—Hinges with pins with two or more pins
    • E05D3/18—Hinges with pins with two or more pins with sliding pins or guides
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D5/00—Construction of single parts, e.g. the parts for attachment
    • E05D5/02—Parts for attachment, e.g. flaps
    • E05D5/04—Flat flaps
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D5/00—Construction of single parts, e.g. the parts for attachment
    • E05D5/02—Parts for attachment, e.g. flaps
    • E05D5/04—Flat flaps
    • E05D5/046—Flat flaps specially adapted for cabinets or furniture
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D5/00—Construction of single parts, e.g. the parts for attachment
    • E05D5/10—Pins, sockets or sleeves; Removable pins
    • E05D5/14—Construction of sockets or sleeves
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D7/00—Hinges or pivots of special construction
    • E05D7/08—Hinges or pivots of special construction for use in suspensions comprising two spigots placed at opposite edges of the wing, especially at the top and the bottom, e.g. trunnions
    • E05D7/081—Hinges or pivots of special construction for use in suspensions comprising two spigots placed at opposite edges of the wing, especially at the top and the bottom, e.g. trunnions the pivot axis of the wing being situated near one edge of the wing, especially at the top and bottom, e.g. trunnions
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
    • 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
    • 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
    • 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
    • F25D23/00—General constructional features
    • F25D23/10—Arrangements for mounting in particular locations, e.g. for built-in type, for corner type
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
    • E05Y2600/10—Adjustable
    • E05Y2600/20—Adjustable with specific transmission movement
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
    • E05Y2600/10—Adjustable
    • E05Y2600/30—Adjustment motion
    • E05Y2600/32—Rotary motion
    • E05Y2600/324—Rotary motion around a vertical axis
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/10—Additional functions
    • E05Y2800/102—Additional wing movements
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/74—Specific positions
    • E05Y2800/75—Specific positions intermediate
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/30—Application of doors, windows, wings or fittings thereof for domestic appliances
    • E05Y2900/31—Application of doors, windows, wings or fittings thereof for domestic appliances for refrigerators
    • 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
    • F25D2323/00—General constructional features not provided for in other groups of this subclass
    • F25D2323/02—Details of doors or covers not otherwise covered
    • F25D2323/024—Door hinges
    • 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
    • F25D2500/00—Problems to be solved
    • F25D2500/02—Geometry problems

Definitions

  • the invention relates to a refrigerator.
  • the refrigerator uses a single-axis hinge, and the door body moves circumferentially around the fixed axis of the hinge to open and close the door body.
  • the edge portion formed by the side wall and the front wall of the door body close to the hinge is removed from the extension line of the side wall of the refrigerator cabinet, for the embedded refrigerator or between the outer casing of the refrigerator and the wall.
  • a hinge design limits the opening angle of the refrigerator door.
  • the present invention provides a refrigerator including a box body, a door body for opening and closing the box body, and the refrigerator further includes a hinge body fixedly disposed on the box body, and is fixedly disposed on the a guiding block on the door body, the hinge body is provided with a positioning shaft and a guiding shaft, and the guiding block is provided with a positioning groove matched with the positioning shaft and a guiding groove matched with the guiding shaft;
  • One side of the left and right sides of the refrigerator is provided with a hinge side, and the door body is in a first state when closed, and the door body has a side wall close to the pivot side in the first state, at the first In a state away from the front wall of the casing, the positioning groove has a first position adjacent to the side wall and the front wall and a second position away from the side wall and the front wall than the first position, the guiding groove has a third position and a fourth position, wherein the positioning axis is in the second position when the door body is in the first state, and the guiding shaft is in the fourth position;
  • the guiding shaft and the guiding groove are arranged to rotate the door body with a positioning axis as a center of rotation when the door body is opened from the first state, and to define the guiding shaft and the guiding groove Lowering the positioning shaft from the second position to the first position, and moving the guide shaft from the fourth position to the third position, at which time the door body is opened to a certain angle to the second state, and the The door body moves a distance away from the side of the pivoting side;
  • the refrigerator further includes a limiting boss disposed between the guiding block and the hinge body to space the guiding block and the hinge body, the limiting boss having a front end adjacent to the front wall and away from the front a rear end of the wall such that the limit boss always abuts the hinge body when the door is opened.
  • the side wall and the front wall meet to form a side edge, and when the positioning axis is in the first position, the distance between the central wheel and the side edge is less than or equal to the position of the positioning axis in the second position. The distance between the center wheelbase and the side wall.
  • the distance of the center wheel from the side edge when the positioning shaft is in the first position is equal to the distance of the center wheel from the side wall when the positioning axis is in the second position.
  • the guide shaft is disposed on a side away from the side wall from the positioning shaft, and the third position is disposed away from the front wall and closer to the side wall than the fourth position.
  • the positioning groove further has a fifth position away from the side wall and the front wall than the second position
  • the guiding groove further has a sixth position
  • the sixth position is away from the third position
  • the front wall is disposed adjacent to the side wall, and when the door body is further opened from the second state, the positioning shaft is moved from the first position to the fifth position, and the guide shaft is moved from the third position to the first position Six positions to open the door to a 90° to third state and to move the door toward the pivoting side for a distance.
  • the distance of the central axis of the positioning shaft when in the fifth position from the front wall is equal to the distance of the central wheel from the side wall when the positioning axis is in the second position.
  • the guiding groove further has a seventh position closer to the side wall than the sixth position, and the guiding groove between the seventh position and the sixth position is arc-shaped and round
  • the center line of the arc is a central axis when the positioning axis is in the fifth position.
  • the centers of the first position, the second position, and the fifth position are located on the same straight line.
  • the guiding groove further has an eighth position closer to the side wall than the sixth position and a ninth position between the eighth position and the sixth position, the positioning groove further having a a ten position, an extension line connecting the center of the tenth position and the fifth position intersects a center line of the eighth position and the ninth position, and the guide groove between the ninth position and the sixth position is at the tenth
  • the positioning groove is disposed in parallel with the positioning position, the guiding groove is arc-shaped between the eighth position and the ninth position, and the center line of the circular arc is when the positioning axis is at the tenth position.
  • the positioning shaft when the door body is further opened from the third state, the positioning shaft is moved from the fifth position to the tenth position, and the guide shaft is moved from the sixth position to the ninth position, the door body is The positioning shaft located at the tenth position rotates the rotation shaft and moves the guide shaft from the ninth position toward the eighth position.
  • the limiting boss is integrally formed on the guide block.
  • the number of the limiting bosses is two, and is disposed around the guiding groove and the positioning groove, respectively.
  • the invention has the beneficial effects that the door body of the refrigerator of the invention is moved away from the pivoting side by a distance when it is opened, thereby preventing the side wall of the door body from protruding and affecting the opening of the door body.
  • Figure 1 is a plan view of a refrigerator in accordance with a first embodiment of the present invention
  • Figure 2 is a plan view showing a hinge shaft and a guide block of the refrigerator in the first embodiment of the present invention
  • 3a-3e are top views of the door opening of the refrigerator at different angles according to an embodiment of the present invention.
  • FIG. 4 is a schematic exploded view showing the hinge body and the guide block of the refrigerator according to the second embodiment of the present invention.
  • Figure 5 is a plan view showing a guide block of a refrigerator according to a second embodiment of the present invention.
  • Figure 6 is a front elevational view showing the hinge body and the guide block of the refrigerator in the third embodiment of the present invention.
  • Figure 7 is a perspective view showing the structure of a guide block of a refrigerator according to a third embodiment of the present invention.
  • FIG. 8 is a schematic perspective structural view of a guide block of a refrigerator according to another embodiment of the third embodiment of the present invention.
  • Figure 9 is a front elevational view showing the hinge body and the guide block of the refrigerator in the fourth embodiment of the present invention.
  • Figure 10 is a perspective view showing the structure of a guide block of a refrigerator according to a fourth embodiment of the present invention.
  • FIG. 11 is a perspective structural view of a hinge body and a guide block of a refrigerator according to another embodiment of the fourth embodiment of the present invention.
  • Figure 12 is a front elevational view showing the hinge body and the guide block of the refrigerator in the fifth embodiment of the present invention.
  • Figure 13 is a schematic exploded view showing the hinge body and the guide block of the refrigerator in the fifth embodiment of the present invention.
  • Figure 14 is a perspective structural view showing a decorative strip and a guide block of a refrigerator according to a sixth embodiment of the present invention.
  • Figure 15 is a schematic exploded view showing the decorative strip and the guide block of the refrigerator in the sixth embodiment of the present invention.
  • Figure 16 is a perspective view showing the structure of a guide block of a refrigerator according to a sixth embodiment of the present invention.
  • Figure 17 is a schematic exploded view showing the hinge body and the guide block of the refrigerator in the seventh embodiment of the present invention.
  • FIG. 18 is a schematic perspective structural view of a guide block of a refrigerator according to a seventh embodiment of the present invention.
  • Figure 19 is a schematic exploded view showing the hinge body and the guide block of the refrigerator in accordance with the eighth embodiment of the present invention.
  • Figure 20 is a schematic exploded perspective view showing the hinge body and the guide block of the refrigerator in the ninth embodiment of the present invention.
  • the refrigerator 100 includes a casing 1, a door body 2 for opening and closing the casing 1, and a hinge fixed to the casing 1.
  • the body 11 is a guide block 21 fixed to the door body 2.
  • the hinge body 11 and the guide block 21 are provided above and below the door body 2.
  • the positioning groove 25 and the guiding groove 26 are disposed on the guiding block 21, and the hinge body 11 is provided with a positioning shaft 12 and a guiding shaft 13, and the door body 2 is provided with a positioning groove matched with the positioning shaft 12. 25 and a guide groove 26 that cooperates with the guide shaft 13.
  • the refrigerator 100 may not be provided with the guiding block 21, and the positioning groove 25 and the guiding groove 26 may be directly disposed on the door body 2.
  • the guide shaft 13 and the positioning shaft 12 project downward, and the guide groove 26 and the positioning groove 25 are open upward.
  • the guide shaft 13 and the positioning shaft 12 protrude upward, and the guide groove 26 and the positioning groove 25 are opened downward.
  • One side of the left and right sides of the refrigerator 100 is provided with a hinge side, and the door body 2 is in a first state when closed, and the door body 2 has a side wall close to the pivot side in the first state. 22.
  • the door body 2 is formed with a fixing groove (not shown), the guiding block 21 is fixed in the fixing groove, and the height of the guiding block 21 is smaller than the depth of the fixing groove, the door
  • the height of the top of the front wall 23 of the body 2 is higher than the height of the hinge body 11.
  • the hinge body 11 is provided with a notch 14 opening toward the pivoting side to avoid the front wall 23 of the door body 2 when the door body 2 is opened, in particular after opening 90°.
  • the positioning groove 25 has a first position 251 near the side wall 22 and the front wall 23, and a second position 252 away from the side wall 22 and the front wall 23 compared to the first position 251.
  • the second position 252 is away from the side wall 22 and the fifth position 253 of the front wall 23.
  • the centers of the first position 251, the second position 252, and the fifth position 253 are in the same straight line, and the center extension line intersects the side edge 24.
  • the center of the different positions referred to in the present invention is the intersection of the central axis of the positioning shaft 25 or the guide shaft 26 at the position and the plane of the guide block 21 toward the side of the hinge body 11.
  • the guiding groove 26 has a third position 261 and a fourth position 262 respectively corresponding to the first position 251 and the second position 252 of the positioning groove 25, and the positioning axis when the door body 2 is in the first state 12 is in a second position 252 and the guide shaft 13 is in a fourth position 262.
  • the guide shaft 13 and the guiding groove 26 are arranged such that when the door body 2 is opened from the first state, the door body 2 is rotated with the positioning shaft 12 as a center of rotation, and the guide shaft 13 is
  • the guiding groove 26 defines that the positioning shaft 12 is moved from the second position 252 to the first position 251, and the guiding shaft 13 is moved from the fourth position 262 to the third position 261, at which time the door is
  • the body 2 opens at a certain angle to the second state and causes the door body 2 to move a distance away from the side away from the pivoting side.
  • the angle of opening is the angle at which the central extension of the positioning groove 25 intersects the front wall.
  • the diameter of the positioning shaft 12 is larger than the diameter of the guiding shaft 13, and the guiding shaft 13 is disposed on a side opposite to the positioning shaft 12 away from the side wall 22, and the center of the guiding shaft 13 and the positioning shaft 12
  • the connecting line of the shaft is perpendicular to the side wall 22 in the first state. Therefore, in the embodiment, the third position 261 is disposed away from the front wall 23 and closer to the side wall 22 than the fourth position 262.
  • the distance between the central wheel and the side edge 24 is less than or equal to the distance of the central wheel from the side wall 22 when the positioning shaft 12 is at the second position 252, so as to be at the door body 2
  • the door body 2 is moved a distance away from the pivoting side such that the side edges 24 do not protrude from the position of the side wall 22 of the door body 2 in the first state.
  • the distance between the central wheel and the side edge 24 when the positioning shaft 12 is at the first position 251 is equal to the distance of the central wheel from the side wall 22 when the positioning shaft 12 is at the second position 252, so that When the door body 2 is opened from the first state to the second state, the side edges 24 are moved from front to back along the position where the side wall 22 of the door body 2 is in the first state.
  • the guiding groove 26 further has a sixth position 263 corresponding to the fifth position 253, which is disposed away from the front wall 23 and closer to the side wall 22 than the third position 261.
  • the positioning shaft 12 is moved from the first position 251 to the fifth position 253, and the guide shaft 13 is moved from the third position 261 to the sixth position 263 so that The door body 2 is opened to a 90° to a third state, and the door body 2 is moved a distance toward the pivoting side.
  • the opening degree of the casing 1 can be increased, the opening space facing the user can be increased, and the problem that the drawer in the casing 1 is prevented from being opened by the door body 2 can be avoided.
  • the distance of the center wheel from the front wall 23 when the positioning shaft 12 is at the fifth position 253 is equal to the distance of the center wheel from the side wall 22 when the positioning shaft 12 is at the second position 252. That is, when the door body 2 is moved toward the pivoting side, the side edge 24 is moved from front to back along the position where the side wall 22 is located in the first state along the door body 2, when the door body 2 is opened to 90°, The front wall 23 of the door body 2 is brought to the position where the side wall 22 is located in the first state.
  • the guiding groove 26 further has a seventh position 264 closer to the side wall 22 than the sixth position 263, and the guiding groove 26 between the seventh position 264 and the sixth position 263 has an arc shape and an arc
  • the center line is a central axis when the positioning shaft 12 is at the fifth position 253.
  • the sixth position 263 can be understood as a rotation start position
  • the seventh position 264 can be understood as a rotation end position
  • the angle of the circular arc is greater than or equal to 90°, so that the opening degree of the door body 2 can be increased, so that the door body 2 can be opened. Up to 180° or more.
  • the positioning slot 25 is not provided with the fifth position 253, and the guiding slot 26 is not provided with the sixth position 263, and the guiding slot 26 is at the seventh position 264 and the third position.
  • the position 261 is formed in an arc shape, and the center line of the arc is the central axis when the positioning shaft 12 is at the first position 251, that is, when the door body 2 is further opened in the second state, when the first position 251 is located The positioning shaft 12 rotates for the rotation axis.
  • the trajectory of the change point can be calculated by the following formula:
  • the distance between the central axis of the positioning shaft 12 and the front wall 23 is a
  • the distance between the central axis of the positioning shaft 12 and the side wall 22 of the door body 2 is b.
  • the distance between the positioning shaft 12 and the central axis of the guide shaft 13 is L.
  • the distance between the central axis of the positioning shaft 12 and the side edge 24 of the door body 2 is C1.
  • a, b, and L are constant values
  • C1 has different values depending on the position of the door body 2.
  • ⁇ is the angle formed by the central extension line of the positioning groove 25 and the front wall 23 of the door body 2.
  • the door body 2 rotates around a fixed axis, which is a central axis when the positioning shaft 12 is at the fifth position 253;
  • the door body 2 when the door body 2 is opened from the first state to the second state, the door body 2 is controlled to move toward the end away from the pivoting side by a distance to prevent the side of the door body 2 from being moved.
  • the rib 24 protrudes to interfere; when the door body 2 is opened from the second state to the third state, the end of the door body 2 is controlled to move toward the pivoting side by a distance to increase the height of the case 1 Opening degree.
  • FIG. 4-5 there is shown a schematic structural view of a hinge body 11 and a guide block 21 of a refrigerator in accordance with a second embodiment of the present invention. Compared with the first embodiment, the main differences are as follows:
  • the guiding groove 26 is not provided with the seventh position, but has an eighth position 265 closer to the side wall 22 than the sixth position 263 and a ninth position 266 between the eighth position 265 and the sixth position 263.
  • the positioning slot 25 also has a tenth position 254.
  • a transition groove 267 is formed between the ninth position 266 and the sixth position 263, and the ninth position 266 is disposed at an end of the transition groove 267 away from the sixth position 263, which can also be understood as a rotation start position, and the eighth Position 265 can be understood as the rotation end position.
  • a pivot groove 255 is formed between the tenth position 254 and the fifth position 253, and the pivot groove 255 is disposed in parallel with the transition groove 267. The pivoting groove 255 is in communication with the fifth position 253, and the two ends of the transition groove 267 are respectively connected to the sixth position 263 and the rotation starting position.
  • the arcuate shape and the center line of the arc are the central axis when the positioning shaft 12 is at the tenth position 254.
  • the positioning shaft 12 is moved from the fifth position 253 to the tenth position 254, and the guide shaft 13 is moved from the sixth position 263 to the ninth position 266, the door The body rotates with the positioning shaft 12 at the tenth position 254 as the axis of rotation and causes the guide shaft 13 to move from the ninth position 266 toward the eighth position 265.
  • This embodiment performs the above-described changes in the first embodiment, and the remaining changes in the first embodiment do not conflict with the solution of the embodiment, and the solution of the embodiment can also be applied to the corresponding solution.
  • the guiding groove 26 is not provided with the sixth position 263 in the first embodiment, and the positioning groove 25 is not provided with the fifth position 253, the pivoting groove 255 is in communication with the first position 251, and both ends of the transition groove 267
  • the third position 261 and the rotation start position are respectively connected. In this way, the effect of preventing the door from being translated can be achieved.
  • the solution of the embodiment can solve the problem that when the door body is further opened by opening to 90°, the portion of the guide groove 26 between the ninth position 266 and the eighth position 265 is parallel to the positioning groove 25, thereby causing the door body to slide or The problem of shaking.
  • the case further includes a limiting boss 27 disposed between the guiding block 21 and the hinge body 11 to space the guiding block 21 and the hinge body 11.
  • the limiting boss 27 has a front end close to the front wall 23 and a rear end away from the front wall 23, so that the limiting boss 27 always abuts the hinge body 11 when the door body is opened.
  • the limiting boss 27 is integrally formed on the guiding block 21, and the number of the limiting bosses 27 is two, and is respectively disposed around the guiding groove 26 and the positioning groove 25.
  • the limiting block 27 is disposed to space the guiding block 21 and the hinge body 11 to prevent the hinge body 11 from being away from the edge of the box and the guiding during the opening and closing of the door body.
  • the blocks 21 are cut toward each other toward the ribs of the casing, thereby causing the wear of the hinge body 11 or the guide block 21 to affect the balance of the door body.
  • a further improvement on the third embodiment is shown, mainly in which the limit boss 27 is modified into a plurality of limit balls 28.
  • the sliding friction between the guiding block 21 and the hinge body 11 can be changed to rolling friction, thereby reducing friction. Reduce the force required to open and close the door.
  • a plurality of the limiting balls 28 are disposed around the guiding groove 26 and the positioning groove 25, and at the same time, a plurality of the limiting balls 28 are distributed at different positions of the guiding block 21, and at least three limiting balls are made when the door body rotates. 28 is always abutted against the hinge body 11 to support the door body, preventing the door body from shaking, and the at least three limit balls 28 are not in the same straight line.
  • limit balls 28 The specific arrangement of the limit balls 28 is a prior art, and the present invention does not describe it as long as it can achieve rolling friction between the guide block 21 and the hinge body 11.
  • a plurality of the limiting balls 28 are disposed around the positioning groove 25.
  • the limit ball 28 can also be arranged around the guide groove 26.
  • the limiting boss 27 can also coexist with the limiting ball 28, that is, the limiting ball 28 is disposed on the limiting boss 27.
  • the refrigerator further includes a resisting shutter 29 disposed on a side of the guiding block 21 away from the hinge body 11 for shielding the guiding groove 26 and the positioning groove 25, the guiding shaft 13 and the positioning shaft
  • the 12 heights are the same and are both greater than the depth of the guide groove 26 and the positioning groove 25.
  • the abutting baffle 29 is integrally formed with the guiding block 21, and the guiding shaft 13 and the positioning shaft 12 have different diameters, so that the door body can be better defined to prevent the door body from shaking.
  • the guide shaft 13 and the positioning shaft 12 are abutted against the abutting plate 29, so that the door body can be supported to space the guide block 21 and the hinge body 11.
  • the fifth embodiment is a further improvement on the fourth embodiment, which is mainly distinguished from the fourth embodiment as follows:
  • the hinge body 11 includes a first plate body 17 and a second plate body 18 protruding from the casing and spaced apart in the height direction, the first plate body 17 being adjacent to the guide block 21 with respect to the second plate body 18 and Arranged from the guide block 21, the first plate body 17 and the second plate body 18 are provided with perforations 171 through which the guide shaft 13 and the positioning shaft 12 pass.
  • the guide shaft 13 and the positioning shaft 12 are respectively provided with a first limiting plate 131 between the first plate body 17 and the second plate body 18 for preventing the guiding shaft 13 and the orientation axis from being detached from the through hole 171 and
  • the second limiting plate 122 and the second limiting plate 122 have the same height and a diameter larger than the diameter of the through hole 171.
  • the guiding shaft 13 and the positioning shaft 12 are opposite to the abutting plate 29 toward the end of the guiding block 21 , and the first limiting plate 131 and the second limiting plate 122 are both between the second plate 18 and the second plate 18 .
  • the elastic member 123 is disposed, and the distance between the guiding block 21 and the first plate body 17 is smaller than the distance between the first limiting plate 131 and the second plate body 18.
  • the door body when the door body is opened, the door body is pressed against the guide shaft 13 and the positioning shaft 12 by gravity until the elastic member 123 is compressed until the guide block 21 abuts against the first plate body 17, which The first plate body 17 and the second plate body 18 collectively support the door body. That is, in the present embodiment, the gravity of the door body is distributed to the first plate body 17 and the second plate body 18. If the coefficient of friction between the elastic member 123 and the second plate body 18 is not greater than the coefficient of friction between the guide block 21 and the first plate body 17, the friction of the door of the refrigerator of the present embodiment is relatively high.
  • the first embodiment is smaller, and is shared by the first plate body 17 and the second plate body 18 due to the frictional force. Therefore, the door body has relatively small wear on the first plate body 17 and the second plate body 18, and Extend the life of the refrigerator door.
  • the difference between the refrigerator of the embodiment and the fourth embodiment can also be applied to the existing single hinged axis refrigerator, specifically:
  • the hinge body Only one rotating shaft is disposed on the hinge body, and the guiding block is provided with a rotating shaft groove for engaging with the rotating shaft.
  • a guiding block is disposed on a side away from the hinge body to shield the rotating shaft groove, the hinge body includes a first plate body and a second plate body spaced apart in a height direction, the first plate body The second plate body is adjacent to the guide block and spaced apart from the guide block.
  • the first plate body and the second plate body are provided with a through hole for the rotating shaft to pass through, and the rotating shaft is provided with a limiting plate between the first plate body and the second plate body to prevent the rotating shaft from being self-aligned
  • the perforation is disengaged, and one end of the rotating shaft is opposite to the abutting plate toward the end of the guiding block, and an elastic member is disposed between the limiting plate and the second plate body, and the guiding block and the first
  • the distance between a plate body is smaller than the distance between the limiting plate and the second plate body.
  • the door weight When applied to a single hinged axis refrigerator, the door weight can also be shared on the first plate body and the second plate body, and the frictional force is also shared on the first plate body and the second plate body to reduce wear.
  • the guide block 21 is not directly connected to the door body by a tapping, but the guide block 21 protrudes from a side of the door body 2 and has at least one positioning boss 211 extending thereon.
  • the guiding block 21 and the door body 2 are pre-positioned before the fixing, so as to prevent the direct fixing to cause the guiding block. 21 The problem of offset occurs, so that the installed door body 2 does not cause a problem of leakage.
  • the number of the positioning bosses 211 is one and the edge from the side of the positioning slot 25 away from the hinge body 11 protrudes toward the door body 2, and the positioning boss 211
  • the cross-sectional shape coincides with the cross-sectional shape of the positioning groove 25.
  • the cross-sectional shape of the positioning boss 211 and the positioning groove 201 is non-circular, one positioning boss 211 can achieve a positioning effect.
  • the box further includes a trim 20 fixed on the door body 2, and the guide block 21 is positioned and fixed with the trim 20, and the positioning groove 201 is disposed on the trim
  • the positioning groove 201 is a blind hole to prevent the foam body from overflowing from the positioning groove 201 when the door body 2 is foamed.
  • the depth of the positioning groove 201 is greater than or equal to the height of the positioning boss 211, so that the positioning boss 211 can be completely received in the positioning groove 201.
  • the depth and positioning of the positioning groove 201 are The height of the boss 211 is equal.
  • the guide shaft 13 and the positioning shaft 12 protrude from the top to the bottom, and the positioning groove 25 and the guide groove 26 are opened upward to The positioning shaft 12 and the guide shaft 13 cooperate.
  • the hinge body 11 further includes a hook 121 disposed at one end of the guide shaft 13 and/or the positioning shaft 12 facing the guide block 21, and the hook 121 is positioned from the guide shaft 13 and/or positioned An end portion of the shaft 12 extends toward a side opposite to the guide groove 26 and/or the positioning groove 25, and the guide block 21 is provided with a relative from the guide groove 26 and/or the positioning groove 25.
  • the inner wall protrudes into the guiding groove 26 and/or the fastening structure 212 in the positioning groove 25 , and the fastening structure 212 is fastened to the hook 121 .
  • the hooks 121 extend from the end of the guiding slot 26 and/or the positioning slot 25 toward the periphery and have a circular cross section, and the guiding slot 26 and/or the positioning slot 25 are provided with a diameter larger than A mounting hole 213 having a diameter of a cross section of the hook 121 is provided, and the mounting hole 213 is provided at an end of the guiding groove 26 and/or the positioning groove 25.
  • the hook 121 structure extends from the other end of the guiding groove 26 and/or the positioning groove 25 to the mounting hole 213.
  • the guide shaft 13 is provided with a hook 121, and the fourth position 262 of the guide groove 26 further extends a distance toward the front wall 23, and the mounting hole 213 is disposed at the extended guide. Inside the slot 26. When the door body and the casing are assembled, the structure of the hook 121 is first protruded into the mounting hole 213, and then the door body is moved to move the guide shaft 13 to the fourth position 262 to complete the assembly.
  • Fig. 19 is a view showing the structure of the hinge body 11 and the guide block 21 of the refrigerator in accordance with the eighth embodiment of the present invention. Compared with the first embodiment, the main differences are as follows:
  • the positioning groove 25 is provided on the hinge body 11, and the positioning shaft 12' is provided on the guide block 21 of the door body.
  • the position of the guide shaft 13 and the direction of the guide groove 26 are the same as those in the first embodiment, and will not be described in detail in the embodiment, and the position of the positioning groove 25' needs to be redefined.
  • the distance between the central axis of the positioning shaft 12' and the side edge is less than or equal to the distance of the second position 252' of the positioning groove 25' from the side wall in the first state.
  • the distance between the central axis of the positioning shaft 12' and the front wall is equal to the distance from the side wall of the second position 252' of the positioning groove 25' in the first state.
  • the door opening process of this embodiment is substantially the same as the opening process of the door body 2 in the first embodiment.
  • Fig. 20 is a view showing the structure of the hinge body 11 and the guide block 21 of the refrigerator in accordance with the ninth embodiment of the present invention. Compared with the first embodiment, the main differences are as follows:
  • a fixing block 15 is fixed to the hinge body 11, and the guide groove 26' is disposed on the fixing block 15, and the guide shaft 13' is disposed on the guide block 21.
  • the position of the positioning shaft 12 and the orientation of the positioning groove 25 are the same as those in the first embodiment, and will not be described in detail in the embodiment, and the positions of the guide shaft 13' and the guide groove 26' need to be redefined.
  • the guide shaft 13' is disposed on a side away from the front wall of the positioning shaft 12, and the third position 261' is disposed away from the side wall and closer to the front wall than the fourth position 262'.
  • the sixth position 263' is disposed away from the side wall and closer to the front wall than the third position 261', and the ninth position 266' is closer to the front wall than the sixth position 263', and the eighth position 265' Set closer to the side wall than the ninth position 266'.
  • the door opening process of this embodiment is substantially the same as the opening process of the door body 2 in the first embodiment.
  • the fixing block 15 fixed to the hinge body 11 is provided, thereby facilitating the maintenance and replacement of the door body.
  • both the guide groove and the positioning groove may be disposed on the hinge body 11, and the guide shaft and the positioning shaft are both disposed on the guide block 21.
  • the guide block 21 may also be provided with only the transition groove and the pivot groove to set only the seventh position.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Refrigerator Housings (AREA)
  • Hinges (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)

Abstract

一种冰箱（100），包括箱体（1）、门体（2）、铰链本体（11）。门体（2）上设有导向块（21），铰链本体（11）上设有转轴，导向块（21）上设有转轴槽。通过铰链本体（11）的结构设置，可将门体（2）重力和摩擦力分担到铰链本体（11）的第一板体（17）和第二板体（18）上，减小磨损，延长冰箱门体（2）的使用寿命。

Description

冰箱
本申请要求了申请日为2017年7月1日，申请号为201710528829.2，发明名称为“冰箱”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及一种冰箱。
背景技术
目前，冰箱都使用单轴的铰链，门体绕铰链的固定轴作圆周运动以实现门体的开闭。现有冰箱在门体打开的过程中，门体靠近铰链的侧壁和前壁形成的棱角部分移出冰箱箱体的侧壁所在的延长线，对于嵌入式冰箱或者冰箱外壳与墙体之间的缝隙较小的情况，这样的铰链设计使冰箱门体的打开角度受限。
有鉴于此，有必要对现有的冰箱予以改进，以解决上述问题。
发明内容
本发明的目的在于提供一种冰箱，以解决现有冰箱在门体打开时棱角部分移出冰箱侧壁问题。
为实现上述目的，本发明提供了一种冰箱，包括箱体、用以打开和关闭所述箱体的门体，所述冰箱还包括固定设于所述箱体上的铰链本体、固定设于所述门体上的导向块，所述铰链本体上设有定位轴和导向轴，所述导向块上设有与定位轴配合的定位槽及与导向轴配合的导向槽；
所述冰箱左右两侧中设置铰链本体的一侧为枢转侧，所述门体关闭时处于第一状态，所述门体具有在第一状态下靠近枢转侧的侧壁、在第一状态下远离所述箱体的前壁，所述定位槽具有靠近所述侧壁和前壁的第一位置和相较第一位置远离侧壁和前壁的第二位置，所述导向槽具有第三位置和第四位置，在所述门体处于第一状态下时所述定位轴位于第二位置，所述导向轴位于第四位置；
所述导向轴和所述导向槽设置为：使所述门体自第一状态打开时，所述门体以定位轴为旋转中心进行转动，并在所述导向轴与所述导向槽的限定下使所述定位轴由第二位置移动至第一位置，而所述导向轴由第四位置移动至第三位置，此时将所述门体打开一定角度至第二状态，并使得所述门体朝向远离枢转侧一侧移动一段距离；
所述冰箱还包括设置在所述导向块与所述铰链本体之间以间隔所述导向块与所述铰链本体的限位凸台，所述限位凸台具有靠近前壁的前端和远离前壁的后端，以在所述门体打开时所述限位凸台始终与所述铰链本体相抵接。
作为本发明的进一步改进，所述侧壁与所述前壁交汇形成侧棱，所述定位轴位于第一位置时的中心轴距侧棱的距离小于等于所述定位轴位于第二位置时的中心轴距侧壁的距离。
作为本发明的进一步改进，所述定位轴位于第一位置时的中心轴距侧棱的距离等于所述 定位轴位于第二位置时的中心轴距侧壁的距离。
作为本发明的进一步改进，所述导向轴设置在相较所述定位轴远离所述侧壁的一侧，所述第三位置相较第四位置远离所述前壁、靠近所述侧壁设置。
作为本发明的进一步改进，所述定位槽还具有相较第二位置远离侧壁和前壁的第五位置，所述导向槽还具有第六位置，所述第六位置相较第三位置远离所述前壁、靠近所述侧壁设置，当所述门体自第二状态进一步打开时，所述定位轴由第一位置移动至第五位置，所述导向轴由第三位置移动至第六位置，以使得所述门体打开到90°至第三状态，并使得所述门体朝向枢转侧移动一段距离。
作为本发明的进一步改进，所述定位轴位于第五位置时的中心轴距前壁的距离等于所述定位轴位于第二位置时的中心轴距侧壁的距离。
作为本发明的进一步改进，所述导向槽还具有相较第六位置靠近所述侧壁的第七位置，在第七位置与第六位置之间的所述导向槽呈圆弧状，且圆弧的中心线为所述定位轴位于第五位置时的中心轴，当所述门体自第三状态进一步打开时，所述门体以位于第五位置的定位轴为旋转轴进行转动。
作为本发明的进一步改进，第一位置、第二位置和第五位置的中心位于同一直线。
作为本发明的进一步改进，所述导向槽还具有相较第六位置靠近所述侧壁的第八位置和位于第八位置和第六位置之间的第九位置，所述定位槽还具有第十位置，第十位置与第五位置的中心连线的延长线与第八位置和第九位置的中心连线相交，在第九位置与第六位置之间的所述导向槽与在第十位置与第五位置之间的所述定位槽平行设置，所述导向槽在第八位置与第九位置之间呈圆弧状，且圆弧的中心线为所述定位轴位于第十位置时的中心轴，当所述门体自第三状态进一步打开时，所述定位轴从第五位置移动至第十位置，所述导向轴由第六位置移动至第九位置，所述门体以位于第十位置的定位轴为旋转轴进行转动，并使得导向轴由第九位置朝向第八位置移动。
作为本发明的进一步改进，所述限位凸台一体成型在所述导向块上。
作为本发明的进一步改进，所述限位凸台的数量为两个，且分别围绕所述导向槽和定位槽设置。
本发明的有益效果是：本发明的冰箱门体打开时会向朝向远离枢转侧移动一段距离，从而防止门体的侧壁突伸而影响门体的打开。
附图说明
后文将参照附图以示例性而非限制性的方式详细描述本发明的一些具体实施例。附图中相同的附图标记标示了相同或类似的部件或部分。本领域技术人员应该理解，这些附图未必是按比例绘制的。附图中：
图1是本发明第一实施例冰箱的俯视图；
图2是本发明第一实施例冰箱的铰链轴和导向块的俯视图；
图3a-3e是本发明一具体实施方式中冰箱的门体打开不同角度的俯视图；
图4是本发明第二实施例冰箱的铰链本体和导向块的分解结构示意图；
图5是本发明第二实施例冰箱的导向块的俯视图；
图6是本发明第三实施例冰箱的铰链本体和导向块的主视图；
图7是本发明第三实施例冰箱的导向块的立体结构示意图；
图8是本发明第三实施例另一实施方式的冰箱的导向块的立体结构示意图；
图9是本发明第四实施例冰箱的铰链本体和导向块的主视图；
图10是本发明第四实施例冰箱的导向块的立体结构示意图；
图11是本发明第四实施例另一实施方式的冰箱的铰链本体和导向块的立体结构示意图；
图12是本发明第五实施例冰箱的铰链本体和导向块的主视图；
图13是本发明第五实施例冰箱的铰链本体和导向块的分解结构示意图；
图14是本发明第六实施例冰箱的饰条和导向块的立体结构示意图；
图15是本发明第六实施例冰箱的饰条和导向块的分解结构示意图；
图16是本发明第六实施例冰箱的导向块的立体结构示意图；
图17是本发明第七实施例冰箱的铰链本体和导向块的分解结构示意图；
图18是本发明第七实施例冰箱的导向块的立体结构示意图；
图19是本发明第八实施例冰箱的铰链本体和导向块的分解结构示意图；
图20是本发明第九实施例冰箱的铰链本体和导向块的分解结构示意图。
具体实施方式
为了使本发明的目的、技术方案和优点更加清楚，下面结合附图和具体实施例对本发明进行详细描述。
如图1至图3e所示，符合本发明第一实施例的冰箱100包括箱体1、用以打开和关闭所述箱体1的门体2、固定设于所述箱体1上的铰链本体11、固定于所述门体2上的导向块21。在第一实施例中，门体2的上方和下方均设有所述铰链本体11和导向块21。
所述定位槽25和导向槽26设于所述导向块21上，所述铰链本体11上设有定位轴12和导向轴13，所述门体2上设有与定位轴12配合的定位槽25及与导向轴13配合的导向槽26。当然，在其他实施例中，所述冰箱100也可不设置导向块21，而将定位槽25和导向槽26直接设置在门体2上。
当铰链本体11和导向块21为设置在门体2上方时，所述导向轴13和定位轴12向下突伸，所述导向槽26和定位槽25开口向上设置。当铰链本体11和导向块21为设置在门体2下方时，所述导向轴13和定位轴12向上突伸，所述导向槽26和定位槽25开口向下设置。
所述冰箱100左右两侧中设置铰链本体11的一侧为枢转侧，所述门体2关闭时处于第一状态，所述门体2具有在第一状态下靠近枢转侧的侧壁22、在第一状态下远离所述箱体1的前壁23、所述侧壁22与所述前壁23交汇形成的侧棱24。
所述门体2上形成有固定凹槽(未图示)，所述导向块21固定在所述固定凹槽内，所述导向块21的高度小于所述固定凹槽的深度，所述门体2前壁23顶部的高度高于等于所述铰链本体11的高度。所述铰链本体11上开设有开口朝向枢转侧的缺口14以在所述门体2打开时，尤其是打开90°以后避让所述门体2的所述前壁23。
在本实施例中，所述定位槽25具有靠近所述侧壁22和前壁23的第一位置251、相较第一位置251远离侧壁22和前壁23的第二位置252、相较第二位置252远离侧壁22和前壁23的第五位置253。第一位置251、第二位置252和第五位置253的中心位于同一直线，且中心延长线与侧棱24相交。本发明所指的不同位置的中心为所述定位轴25或导向轴26位于该位置时的中心轴与导向块21朝向铰链本体11一侧的平面的交点。
所述导向槽26具有与定位槽25的第一位置251、第二位置252分别对应设置的第三位置261、第四位置262，在所述门体2处于第一状态下时所述定位轴12位于第二位置252，所述导向轴13位于第四位置262。
所述导向轴13和所述导向槽26设置为：使所述门体2自第一状态打开时，所述门体2以定位轴12为旋转中心进行转动，并在所述导向轴13与所述导向槽26的限定下使所述定位轴12由第二位置252移动至第一位置251，而所述导向轴13由第四位置262移动至第三位置261，此时将所述门体2打开一定角度至第二状态，并使得所述门体2朝向远离枢转侧一侧移动一段距离。打开的角度为所述定位槽25的中心延长线与前壁相交的角度。
所述定位轴12的直径大于导向轴13的直径，，所述导向轴13设置在相对所述定位轴12远离所述侧壁22的一侧，且所述导向轴13与定位轴12的中心轴的连线与第一状态下所述侧壁22垂直，故本实施例中，所述第三位置261相较第四位置262远离所述前壁23、靠近所述侧壁22设置。
所述定位轴12位于第一位置251时的中心轴距侧棱24的距离小于等于所述定位轴12位于第二位置252时的中心轴距侧壁22的距离，以在所述门体2由第一状态打开至第二状态时，使得门体2向远离枢转侧的方向移动一段距离，使得侧棱24不会凸出门体2在第一状态下侧壁22所在的位置。
本实施例中，所述定位轴12位于第一位置251时的中心轴距侧棱24的距离等于所述定位轴12位于第二位置252时的中心轴距侧壁22的距离，如此可在所述门体2由第一状态打开至第二状态时，使得侧棱24沿所述门体2在第一状态下侧壁22所在的位置自前向后移动。
所述导向槽26还具有与第五位置253对应设置的第六位置263，所述第六位置263相较第三位置261远离所述前壁23、靠近所述侧壁22设置。
当所述门体2自第二状态进一步打开时，所述定位轴12由第一位置251移动至第五位置253，所述导向轴13由第三位置261移动至第六位置263，以使得所述门体2打开到90°至第三状态，并使得所述门体2朝向枢转侧移动一段距离。如此，可以增加箱体1的开度，增加朝向用户的开口空间，避免箱体1内抽屉受门体2干涉而无法打开的问题。
所述定位轴12位于第五位置253时的中心轴距前壁23的距离等于所述定位轴12位于第二位置252时的中心轴距侧壁22的距离。即在门体2朝向枢转侧移动时，使得侧棱24沿所述门体2在第一状态下侧壁22所在的位置自前向后移动，在所述门体2打开到90°时，使得所述门体2前壁23达到第一状态下侧壁22所在位置。
所述导向槽26还具有相较第六位置263靠近所述侧壁22的第七位置264，在第七位置264与第六位置263之间的导向槽26呈圆弧状，且圆弧的中心线为所述定位轴12位于第五位置253时的中心轴，当所述门体2自第三状态进一步打开时，所述门体2以位于第五位置253的定位轴12为旋转轴进行转动。第六位置263可以理解为旋转起始位置，第七位置264可以理解为旋转终止位置，且圆弧的角度大于等于90°，如此可以增加门体2开度，使得所述门体2可以打开至180°或者更大角度。
当然，若在其他实施例中，所述定位槽25未设置第五位置253，而所述导向槽26未设置第六位置263，所述导向槽26可在所述第七位置264与第三位置261形成圆弧状，圆弧的中心线为所述定位轴12位于第一位置251时的中心轴，即门体2在处于第二状态而进一步打开时，以位于第一位置251时的定位轴12为旋转轴进行旋转。
另外，如图1和3a-3e所示，本实施例中使得门体2在0-90°的打开过程中，所述门体2是围绕一个变动的点在转动，且该变动点有轨迹可寻，其轨迹为(X＝(X1+X2)/2,Y＝(Y1+Y2)/2)，X代表变动点距门体2侧壁22的距离，Y代表变动点距门体2前壁23的距离。该变动点的运动轨迹可由下述公式计算得出：
所述门体2处于第一状态时，所述定位轴12的中心轴距所述前壁23的距离为a，所述定位轴12的中心轴距门体2侧壁22的距离为b，所述定位轴12与导向轴13的中心轴之间 的距离为L。所述定位轴12的中心轴距门体2侧棱24的距离为C1。其中，a、b、L为定值，而C1根据门体2的位置不同而数值不同。
在第一状态时，a2+b2＝C12，tanγ＝a/b，γ为定位槽25的中心延长线与门体2的前壁23所成的夹角。
当所述门体2的旋转角度为m时，0°≤m≤γ，COS(γ-m)＝b/C1即C1＝b/COS(γ-m)；
所述定位轴12的中心轴距门体2侧壁22的距离为X1,X1＝C1*COSγ；
所述定位轴12的中心轴距门体2前壁23的距离为Y1,Y1＝C1*SINγ；
所述导向轴13的中心轴距门体2侧壁22的距离为X2,X2＝C1*COSγ+L*COSm；
所述导向轴13的中心轴距门体2前壁23的距离为Y2,Y2＝C1*SINγ+L*SINm。
当门体2的旋转角度为m时，γ≤m≤90°，COS(m-γ)＝b/C1即C1＝b/COS(m-γ)；
所述定位轴12的中心轴距门体2侧壁22的距离为X1,X1＝C1*COSγ；
所述定位轴12的中心轴距门体2前壁23的距离为Y1,Y1＝C1*SINγ；
所述导向轴13的中心轴距门体2侧壁22的距离为X2,X2＝C1*COSγ+L*COSm；
所述导向轴13的中心轴距门体2前壁23的距离为Y2,Y2＝C1*SINγ+L*SINm；
当门体2的旋转角度为m时，m≥90°，门体2就围绕一固定轴旋转，该固定轴为定位轴12位于第五位置253时的中心轴；
本实施例的冰箱100，在所述门体2由第一状态打开至第二状态时，控制所述门体2整体朝向远离所述枢转侧的一端移动一段距离，防止门体2的侧棱24突伸而发生干涉；在所述门体2由第二状态打开至第三状态时，控制所述门体2整体朝向枢转侧的一端移动一段距离，以增加所述箱体1的开度。
如图4-5，其示出符合本发明第二实施例的冰箱的铰链本体11和导向块21的结构示意图。与第一实施例相比，其主要区别为：
所述导向槽26未设置第七位置，而具有相较第六位置263靠近所述侧壁22的第八位置265和位于第八位置265和第六位置263之间的第九位置266，所述定位槽25还具有第十位置254。所述第九位置266与第六位置263之间形成过渡槽267，第九位置266设置在过渡槽267远离所述第六位置263的一端，也可理解为旋转起始位置，所述第八位置265可以理解为旋转终止位置。所述第十位置254与第五位置253之间形成枢转槽255，所述枢转槽255与所述过渡槽267平行设置。所述枢转槽255与第五位置253相连通，所述过渡槽267的两端分别连接第六位置263和旋转起始位置。
第十位置254与第五位置253的中心连线的延长线与第八位置265和第九位置254的中心连线相交，所述导向槽26在第八位置265与第九位置266之间呈圆弧状，且圆弧的中心线为所述定位轴12位于第十位置254时的中心轴。
当所述门体自第三状态进一步打开时，所述定位轴12从第五位置253移动至第十位置254，所述导向轴13由第六位置263移动至第九位置266，所述门体以位于第十位置254的定位轴12为旋转轴进行转动，并使得导向轴13由第九位置266朝向第八位置265移动。
本实施例在第一实施例进行上述改变，而第一实施例中的其余改变若与本实施例的方案不冲突，本实施例的方案也可应用于对应的方案中。如第一实施例中导向槽26未设置第六位置263，而定位槽25未设置第五位置253时，所述枢转槽255与第一位置251相连通，所述过渡槽267的两端分别连接第三位置261和旋转起始位置。如此同样可以实现防止门体平移的效果。
本实施例的方案可以解决因门体打开到90°而进一步打开时，因导向槽26在第九位置266与第八位置265之间的部分与定位槽25存在平行而造成门体侧滑或晃动的问题。
如图6-7，其示出符合本发明第三实施例的冰箱的铰链本体11和导向块21的结构示意图。与第一实施例相比，其主要区别为：
所述箱体还包括设置在所述导向块21与所述铰链本体11之间以间隔所述导向块21与所述铰链本体11的限位凸台27。所述限位凸台27具有靠近前壁23的前端和远离前壁23的后端，以在所述门体打开时所述限位凸台27始终与所述铰链本体11相抵接。
所述限位凸台27一体成型在所述导向块21上，所述限位凸台27的数量为两个，且分别围绕所述导向槽26和定位槽25设置。
本实施例中，通过设置限位凸台27以将导向块21和铰链本体11间隔开，从而防止在门体开合过程中，所述铰链本体11远离所述箱体的棱与所述导向块21朝向箱体的棱之间相互切割，从而造成铰链本体11或者导向块21的磨损进而影响门体的平衡性。
如图8，其示出在第三实施例上的进一步改进，主要将限位凸台27改设成若干限位滚珠28。设置限位滚珠28除了可以达成限位凸台27所能达到的效果外，还可以将所述导向块21与所述铰链本体11之间的滑动摩擦改变为滚动摩擦，从而减小摩擦力，减小开关门体所需要的力度。
若干所述限位滚珠28围绕所述导向槽26和定位槽25设置，同时使得若干所述限位滚珠28分布在导向块21的不同位置，并在门体旋转时使得至少三个限位滚珠28始终与铰链 本体11相抵接以支撑所述门体，防止所述门体晃动，该至少三个限位滚珠28未处于同一直线。
限位滚珠28的具体设置形式为现有技术，本发明不做赘述，只要能实现使得导向块21和铰链本体11之间产生滚动摩擦即可。
本实施例中，若干所述限位滚珠28围绕所述定位槽25设置。显然，所述限位滚珠28也可以围绕所述导向槽26设置。另外，所述限位凸台27也可与所述限位滚珠28共存，即将所述限位滚珠28设置在限位凸台27上。
如图9-10，其示出符合本发明第四实施例的冰箱的铰链本体11和导向块21的结构示意图。与第一实施例相比，其主要区别为：
所述冰箱还包括设置在所述导向块21远离所述铰链本体11一侧的用以遮蔽所述导向槽26和所述定位槽25的抵挡板29，所述导向轴13与所述定位轴12高度相同且均大于所述导向槽26和定位槽25的深度。所述抵挡板29与所述导向块21一体成型，另外，所述导向轴13与定位轴12的直径不同，可以更好的限定门体，防止门体晃动。本实施例中，利用导向轴13和定位轴12与所述抵挡板29相抵持，从而可以支撑门体，以将导向块21和铰链本体11间隔开。
如图10，其示出在第四实施例上的进一步改进，主要为在所述导向轴13和所述定位轴12与所述抵挡板29相抵接的一端设有滚珠132，设置滚珠132的目的同样是为了减小铰链本体11与导向块21之间的摩擦力。
如图12-13，其示出符合本发明第五实施例的冰箱的铰链本体11和导向块21的结构示意图。第五实施例为在第四实施例上的进一步改进，其与第四实施例主要区别为：
所述铰链本体11包括突伸出箱体并沿高度方向间隔设置的第一板体17和第二板体18，所述第一板体17相对第二板体18靠近所述导向块21且与所述导向块21间隔设置，所述第一板体17和第二板体18上开设有供所述导向轴13和所述定位轴12穿过的穿孔171。
所述导向轴13和定位轴12在所述第一板体17和第二板体18之间分别设有用以防止导向轴13和定向轴自所述穿孔171脱离的第一限位板131和第二限位板122，所述第一限位板131和第二限位板122高度相同，且直径大于穿孔171的直径。
所述导向轴13和定位轴12朝向所述导向块21的一端与所述抵挡板29相抵持，所述第一限位板131和第二限位板122均与第二板体18之间设有弹性件123，所述导向块21与所述第一板体17的距离小于所述第一限位板131与所述第二板体18之间的距离。
本实施例中，当门体打开时，所述门体在重力作用下压抵所述导向轴13和定位轴12，直至弹性件123压缩至导向块21与第一板体17相抵接，此时，所述第一板体17和第二板体18共同支撑所述门体。即在本实施例中，所述门体的重力分担到第一板体17和第二板体18上。如果弹性件123与所述第二板体18之间的摩擦系数不大于所述导向块21与第一板体17的摩擦系数，则本实施例的冰箱的门体打开时，摩擦力相较第一实施例会变小，而且因摩擦力分担在第一板体17和第二板体18上，故所述门体对第一板体17和第二板体18的磨损都比较小，可以延长冰箱门体的使用寿命。
另外，本实施例的冰箱与第四实施例的区别点，也可以应用在现有的单铰链轴冰箱上，具体为：
铰链本体上仅设置一个转轴，导向块上设有一个用以与所述转轴配合的转轴槽。导向块在远离所述铰链本体的一侧设有用以遮蔽所述转轴槽的抵挡板，所述铰链本体包括沿高度方向间隔设置的第一板体和第二板体，所述第一板体相对第二板体靠近所述导向块且与所述导向块间隔设置。所述第一板体和第二板体上开设有供所述转轴穿过的穿孔，所述转轴在所述第一板体和第二板体之间设有限位板以防止所述转轴自所述穿孔脱离，所述转轴朝向所述导向块的一端与所述抵挡板相抵持，所述限位板与所述第二板体之间设有弹性件，所述导向块与所述第一板体的距离小于所述限位板与所述第二板体之间的距离。
应用于单铰链轴冰箱时，同样可以将门体重力分担到第一板体和第二板体上，同时将摩擦力也分担到第一板体和第二板体上，减小磨损。
如图14-16，其示出符合本发明第六实施例的冰箱的铰链本体11和导向块21的结构示意图。与第一实施例相比，其主要区别为：
所述导向块21并非直接与门体通过攻螺纹固定连接，而是所述导向块21朝向所述门体2的一侧突设延伸有至少一个定位凸台211，所述门体2上设有与至少一个所述定位凸台211配合的定位凹槽201，所述定位凸台211与所述定位凹槽201相配合以定位所述导向块21。相较现有直接攻螺纹将导向块21固定在所述门体2上的方式，本实施例中在固定前先将所述导向块21与门体2进行预定位，防止直接固定造成导向块21发生偏移的问题，这样安装好后的门体2不会产生漏冷的问题。
本实施例中，所述定位凸台211的数量为一个且自所述定位槽25远离所述铰链本体11的一侧的边缘朝向所述门体2凸设延伸，所述定位凸台211的截面形状与所述定位槽25的截面形状一致。只要定位凸台211和定位凹槽201的截面形状为非圆形，那么一个定位凸台211即可起到定位效果。
进一步的，所述箱体还包括固定在所述门体2上的饰条20，而所述导向块21与所述饰条20相定位和固定，所述定位凹槽201设置在所述饰条20上，且所述定位凹槽201为盲孔，以防止所述门体2在发泡时发泡料自所述定位凹槽201内溢出。另外，定位凹槽201的深度大于等于所述定位凸台211的高度，以使得定位凸台211可以完全收容在所述定位凹槽201内，优选的，所述定位凹槽201的深度与定位凸台211的高度相等。
如图17-18，其示出符合本发明第七实施例的冰箱的铰链本体11和导向块21的结构示意图。与第一实施例相比，其主要区别为：
当所述铰链本体11和所述导向块21设置在所述门体上方时，所述导向轴13和定位轴12自上向下突伸，所述定位槽25和导向槽26开口向上以与所述定位轴12和导向轴13相配合。
所述铰链本体11还包括设置在所述导向轴13和/或所述定位轴12朝向所述导向块21的一端的卡勾121，所述卡勾121自所述导向轴13和/或定位轴12的端部朝向与所述导向槽26和/或定位槽25相抵接的两侧凸设延伸，所述导向块21设有自所述导向槽26和/或所述定位槽25的相对内壁相向突伸入所述导向槽26和/或所述定位槽25内的卡固结构212，所述卡固结构212与所述卡勾121相扣持。
如此设置，可以在门体下沉时，依靠卡勾121与卡固结构212的卡持力，防止门体进一步下沉。
所述卡勾121自所述导向槽26和/或所述定位槽25的端部朝向四周延伸且截面呈圆形，所述导向槽26和/或所述定位槽25内设有直径大于所述卡勾121截面的直径的安装孔213，所述安装孔213设置在所述导向槽26和/或所述定位槽25的端部。所述卡勾121结构自所述导向槽26和/或所述定位槽25的另一端延伸到安装孔213。
在本实施例中，仅所述导向轴13上设置有卡勾121，且所述导向槽26的第四位置262进一步朝向前壁23方向延伸一段距离，所述安装孔213设置在延伸的导向槽26内。所述门体和箱体装配时，首先将卡勾121结构突伸入安装孔213，然后移动门体使得导向轴13移动至第四位置262即完成装配。
如图19，其示出符合本发明第八实施例的冰箱的铰链本体11和导向块21的结构示意图。与第一实施例相比，其主要区别为：
定位槽25设置在铰链本体11上，定位轴12’设置在门体的导向块21上。所述导向轴13的位置及导向槽26的走向与第一实施例中相同，本实施例不做赘述，而所述定位槽25’的位置需重新界定。在门体处于第一状态下时第一位置251’远离所述门体的侧壁、靠近前 壁设置，第二位置252’相较第一位置251’靠近所述侧壁、远离所述前壁设置，第五位置253’相较第二位置252’靠近所述侧壁、远离所述前壁设置。
所述定位轴12’的中心轴距侧棱的距离小于等于第一状态时所述定位槽25’的第二位置252’距侧壁的距离。
进一步的，所述定位轴12’中心轴距前壁的距离等于第一状态时所述定位槽25’的第二位置252’距侧壁的距离。
本实施例所述门体打开过程大致与第一实施例中门体2打开过程相同。
如图20，其示出符合本发明第九实施例的冰箱的铰链本体11和导向块21的结构示意图。与第一实施例相比，其主要区别为：
所述铰链本体11上固定设有固定块15，所述导向槽26’设置在固定块15上，导向轴13’设置在导向块21上。所述定位轴12的位置及定位槽25的走向与第一实施例中相同，本实施例不做赘述，而所述导向轴13’及导向槽26’的位置需重新界定。
在第一状态下，所述导向轴13’设置在相较所述定位轴12远离前壁的一侧，第三位置261’相较第四位置262’远离侧壁、靠近所述前壁设置，第六位置263’相较第三位置261’远离所述侧壁、靠近所述前壁设置，第九位置266’相较第六位置263’靠近所述前壁，第八位置265’相较第九位置266’靠近侧壁设置。
本实施例所述门体打开过程大致与第一实施例中门体2打开过程相同。
本实施例中，通过设置与铰链本体11相固定的固定块15，从而方便对门体的维修及更换。
另外，即使未设置本实施例中的固定块15，所述导向轴13’也可设置在导向块21上，而将导向轴13直接设置在铰链本体11上。并且，结合第八实施例和第九实施例，也可将导向槽和定位槽均设置在铰链本体11上，将导向轴和定位轴均设置在导向块21上。导向块21也可不设置过渡槽和枢转槽而仅设置第七位置。
以上实施例仅用以说明本发明的技术方案而非限制，尽管参照较佳实施例对本发明进行了详细说明，例如，不同的实施例中的技术若可叠加使用以同时达到对应的效果，其方案也在本发明的保护范围内。本领域的普通技术人员应当理解，可以对本发明的技术方案进行修改或者等同替换，而不脱离本发明技术方案的精神和范围。

Claims (11)

  1. 一种冰箱，包括箱体、用以打开和关闭所述箱体的门体，其特征在于：所述冰箱还包括固定设于所述箱体上的铰链本体、固定设于所述门体上的导向块，所述铰链本体上设有定位轴和导向轴，所述导向块上设有与定位轴配合的定位槽及与导向轴配合的导向槽；
    所述冰箱左右两侧中设置铰链本体的一侧为枢转侧，所述门体关闭时处于第一状态，所述门体具有在第一状态下靠近枢转侧的侧壁、在第一状态下远离所述箱体的前壁，所述定位槽具有靠近所述侧壁和前壁的第一位置和相较第一位置远离侧壁和前壁的第二位置，所述导向槽具有第三位置和第四位置，在所述门体处于第一状态下时所述定位轴位于第二位置，所述导向轴位于第四位置；
    所述导向轴和所述导向槽设置为：使所述门体自第一状态打开时，所述门体以定位轴为旋转中心进行转动，并在所述导向轴与所述导向槽的限定下使所述定位轴由第二位置移动至第一位置，而所述导向轴由第四位置移动至第三位置，此时将所述门体打开一定角度至第二状态，并使得所述门体朝向远离枢转侧一侧移动一段距离；
    所述冰箱还包括设置在所述导向块与所述铰链本体之间以间隔所述导向块与所述铰链本体的限位凸台，所述限位凸台具有靠近前壁的前端和远离前壁的后端，以在所述门体打开时所述限位凸台始终与所述铰链本体相抵接。
  2. 根据权利要求1所述的冰箱，其特征在于：所述侧壁与所述前壁交汇形成侧棱，所述定位轴位于第一位置时的中心轴距侧棱的距离小于等于所述定位轴位于第二位置时的中心轴距侧壁的距离。
  3. 根据权利要求2所述的冰箱，其特征在于：所述定位轴位于第一位置时的中心轴距侧棱的距离等于所述定位轴位于第二位置时的中心轴距侧壁的距离。
  4. 根据权利要求1所述的冰箱，其特征在于：所述导向轴设置在相较所述定位轴远离所述侧壁的一侧，所述第三位置相较第四位置远离所述前壁、靠近所述侧壁设置。
  5. 根据权利要求4所述的冰箱，其特征在于：所述定位槽还具有相较第二位置远离侧壁和前壁的第五位置，所述导向槽还具有第六位置，所述第六位置相较第三位置远离所述前壁、靠近所述侧壁设置，当所述门体自第二状态进一步打开时，所述定位轴由第一位置移动至第五位置，所述导向轴由第三位置移动至第六位置，以使得所述门体打开到90°至第三状态，并使得所述门体朝向枢转侧移动一段距离。
  6. 根据权利要求5所述的冰箱，其特征在于：所述定位轴位于第五位置时的中心轴距 前壁的距离等于所述定位轴位于第二位置时的中心轴距侧壁的距离。
  7. 根据权利要求5所述的冰箱，其特征在于：所述导向槽还具有相较第六位置靠近所述侧壁的第七位置，在第七位置与第六位置之间的所述导向槽呈圆弧状，且圆弧的中心线为所述定位轴位于第五位置时的中心轴，当所述门体自第三状态进一步打开时，所述门体以位于第五位置的定位轴为旋转轴进行转动。
  8. 根据权利要求5所述的冰箱，其特征在于：第一位置、第二位置和第五位置的中心位于同一直线。
  9. 根据权利要求8所述的冰箱，其特征在于：所述导向槽还具有相较第六位置靠近所述侧壁的第八位置和位于第八位置和第六位置之间的第九位置，所述定位槽还具有第十位置，第十位置与第五位置的中心连线的延长线与第八位置和第九位置的中心连线相交，在第九位置与第六位置之间的所述导向槽与在第十位置与第五位置之间的所述定位槽平行设置，所述导向槽在第八位置与第九位置之间呈圆弧状，且圆弧的中心线为所述定位轴位于第十位置时的中心轴，当所述门体自第三状态进一步打开时，所述定位轴从第五位置移动至第十位置，所述导向轴由第六位置移动至第九位置，所述门体以位于第十位置的定位轴为旋转轴进行转动，并使得导向轴由第九位置朝向第八位置移动。
  10. 根据权利要求1所述的冰箱，其特征在于：所述限位凸台一体成型在所述导向块上。
  11. 根据权利要求1所述的冰箱，其特征在于：所述限位凸台的数量为两个，且分别围绕所述导向槽和定位槽设置。
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