WO2023071252A1 - 冰箱 - Google Patents

冰箱 Download PDF

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Publication number
WO2023071252A1
WO2023071252A1 PCT/CN2022/101650 CN2022101650W WO2023071252A1 WO 2023071252 A1 WO2023071252 A1 WO 2023071252A1 CN 2022101650 W CN2022101650 W CN 2022101650W WO 2023071252 A1 WO2023071252 A1 WO 2023071252A1
Authority
WO
WIPO (PCT)
Prior art keywords
groove
positioning
shaft
door body
positioning position
Prior art date
Application number
PCT/CN2022/101650
Other languages
English (en)
French (fr)
Inventor
杨春
郭动
鲍雨锋
张向平
Original Assignee
海信冰箱有限公司
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 海信冰箱有限公司 filed Critical 海信冰箱有限公司
Publication of WO2023071252A1 publication Critical patent/WO2023071252A1/zh

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D11/00Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/02Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00General constructional features
    • F25D23/02Doors; Covers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00General constructional features
    • F25D23/02Doors; Covers
    • F25D23/028Details
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2323/00General constructional features not provided for in other groups of this subclass
    • F25D2323/02Details of doors or covers not otherwise covered
    • F25D2323/021French doors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2323/00General constructional features not provided for in other groups of this subclass
    • F25D2323/02Details of doors or covers not otherwise covered
    • F25D2323/024Door hinges

Definitions

  • the present disclosure relates to the technical field of household appliances, in particular to a refrigerator.
  • the built-in refrigerator is to embed the refrigerator into the matching cabinet, and form a heat dissipation cycle through the feet, back plate and top plate. Therefore, there can be a small gap between the left and right side walls of the refrigerator and the inner wall of the cabinet.
  • a refrigerator which includes a box body, a hinge assembly and a door body.
  • the hinge assembly includes a first slot, a second slot, a first shaft, and a second shaft.
  • the first shaft fits with the first slot and is movable relative to the first slot;
  • the second shaft fits with the second slot and is movable relative to the second slot.
  • the door body is connected with the box body through the hinge assembly to open or close the box body.
  • the door body includes side walls, front walls and side edges.
  • the side wall is a side wall of the door body close to the hinge assembly;
  • the front wall is a side wall of the door body away from the box body; the side wall and the front wall
  • the intersection forms the side ribs.
  • One of the left side and the right side of the box close to the hinge assembly is defined as a reference plane, and the side of the reference plane close to the box is defined as an inner side.
  • FIG. 1 is a perspective view of a refrigerator according to some embodiments
  • Fig. 2 is a top view of a refrigerator installed in a cabinet according to some embodiments
  • Figure 3 is a partial enlarged view of circle E in Figure 2;
  • FIG. 4 is an exploded view of a first hinge assembly in a refrigerator according to some embodiments.
  • FIG. 5 is a perspective view of a second hinge assembly in a refrigerator according to some embodiments.
  • FIG. 6 is an exploded view of a second hinge assembly in a refrigerator according to some embodiments.
  • Fig. 7 is a schematic diagram of the relative positions of the first axis and the second axis of a refrigerator according to some embodiments.
  • Fig. 8 is a schematic diagram of position changes of a double-axis assembly of a refrigerator when the door body changes from a closed state to a fully opened state according to some embodiments;
  • Fig. 9 is a structural diagram of a refrigerator door opened from a closed state to a first angle (corresponding to the first stage) according to some embodiments;
  • Fig. 10 is a structural diagram of a refrigerator door opened from a first angle to a second angle (corresponding to the second stage) according to some embodiments;
  • Fig. 11 is a structural diagram of a refrigerator door opened from a second angle to a third angle (corresponding to the third stage) according to some embodiments;
  • Fig. 12 is a structural diagram of a refrigerator door opened from a third angle to a fourth angle (corresponding to the fourth stage) according to some embodiments;
  • Fig. 13 is a structural diagram of a refrigerator door opened from a fourth angle to a fifth angle (corresponding to the fifth stage) according to some embodiments;
  • Fig. 14 is another structural diagram of a refrigerator door opened from a fourth angle to a fifth angle (corresponding to the fifth stage) according to some embodiments;
  • Fig. 15 is a structural diagram of a refrigerator in a closed state according to some embodiments.
  • Fig. 16 is a structural diagram of a refrigerator door opened from a closed state to a second angle according to some embodiments
  • Fig. 17 is a structural diagram of a refrigerator door opened from a second angle to a fourth angle according to some embodiments.
  • Fig. 18 is a structural diagram of a refrigerator door opened from a fourth angle to a fifth angle according to some embodiments.
  • Fig. 19 is a schematic diagram of position changes of another double-axis assembly of a refrigerator when the door body changes from a closed state to a fully opened state according to some embodiments;
  • Fig. 20 is a structural diagram of another refrigerator door opened from a closed state to a first angle (corresponding to the first stage) according to some embodiments;
  • Fig. 21 is a structural diagram of another refrigerator door opened from a first angle to a second angle (corresponding to the second stage) according to some embodiments;
  • Fig. 22 is a structural diagram of another refrigerator door opened from the second angle to the third angle (corresponding to the third stage) according to some embodiments;
  • Fig. 23 is a structural diagram of another refrigerator door opened from a third angle to a fourth angle (corresponding to the fourth stage) according to some embodiments;
  • Fig. 24 is a structural diagram of another refrigerator door opened from the fourth angle to the fifth angle (corresponding to the fifth stage) according to some embodiments;
  • Fig. 25 is a schematic diagram showing the position changes of another double-axis assembly of a refrigerator when the door body changes from a closed state to a fully opened state according to some embodiments;
  • Fig. 26 is a structural diagram of another refrigerator door opened from a closed state to a first angle (corresponding to the first stage) according to some embodiments;
  • Fig. 27 is a structural diagram of another refrigerator door opened from a first angle to a second angle (corresponding to the second stage) according to some embodiments;
  • Fig. 28 is a structural diagram of another refrigerator door opened from the second angle to the third angle (corresponding to the third stage) according to some embodiments;
  • Fig. 29 is a structural diagram of another refrigerator door opened from the third angle to the fourth angle (corresponding to the fourth stage) according to some embodiments;
  • Fig. 30 is a structural diagram of another refrigerator door opened from the fourth angle to the fifth angle (corresponding to the fifth stage) according to some embodiments;
  • Fig. 31 is a schematic diagram comparing the first slot of a refrigerator according to some embodiments with the first slot (ie, the chute) in the related art.
  • first and second are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as “first” or “second” may explicitly or implicitly include one or more of these features. In the description of the embodiments of the present disclosure, unless otherwise specified, "plurality” means two or more.
  • the expressions “coupled” and “connected” and their derivatives may be used.
  • the term “connected” may be used in describing some embodiments to indicate that two or more elements are in direct physical or electrical contact with each other.
  • the term “coupled” may be used when describing some embodiments to indicate that two or more elements are in direct physical or electrical contact.
  • the terms “coupled” or “communicatively coupled” may also mean that two or more elements are not in direct contact with each other, but yet still co-operate or interact with each other.
  • the embodiments disclosed herein are not necessarily limited by the context herein.
  • At least one of A, B and C has the same meaning as “at least one of A, B or C” and both include the following combinations of A, B and C: A only, B only, C only, A and B A combination of A and C, a combination of B and C, and a combination of A, B and C.
  • a and/or B includes the following three combinations: A only, B only, and a combination of A and B.
  • parallel As used herein, “parallel”, “perpendicular”, and “equal” include the stated situation and the situation similar to the stated situation, the range of the similar situation is within the acceptable deviation range, wherein the The acceptable deviation ranges are as determined by one of ordinary skill in the art taking into account the measurement in question and errors associated with measurement of the particular quantity (ie, limitations of the measurement system).
  • “parallel” includes absolute parallelism and approximate parallelism, wherein the acceptable deviation range of approximate parallelism can be, for example, a deviation within 5°; Deviation within 5°.
  • “Equal” includes absolute equality and approximate equality, where the difference between the two that may be equal is less than or equal to 5% of either within acceptable tolerances for approximate equality, for example.
  • the orientation expressions of up, down, left, right, front, and rear in this disclosure are all based on the state of the refrigerator when it is in use.
  • the side facing the user is the front side
  • the opposite side is the rear side.
  • the height direction of the refrigerator is up and down.
  • the left-right direction of the refrigerator is opposite to the user's left-right direction, for example, the left side of the refrigerator is the user's right side, and the right side of the refrigerator is the user's left side.
  • the refrigerator 1 includes a box body 10 , a door body 20 and a hinge assembly 30 .
  • the box body 10 is roughly in the shape of a rectangular box, and a storage room is defined therein.
  • One side (such as the front side) of the storage room is open, and is configured to store food.
  • the storage room may be partitioned into a refrigerating room and a freezing room.
  • the refrigerating room can maintain the temperature of the air inside it at about 0° C. to 5° C. and store food in a refrigerating mode.
  • the freezer can maintain the temperature of the air inside it at about -30°C to 0°C, and store food in a freezing mode.
  • the box body 10 may also include other chambers, for example, a vacuum chamber, a constant temperature chamber, and the like.
  • the door body 20 is connected to one end (such as the front end) of the box body 10 through a hinge assembly 30 .
  • the door body 20 can be rotated to open or close the storage compartment.
  • the open front side of the storage compartment allows food to be put in or taken out.
  • the hinge assembly 30 is, for example, a first hinge assembly 31 or a second hinge assembly 32 .
  • the first hinge assembly 31 is arranged on the upper part of the box body 10, and is fixedly connected with the box body 10 and the door body 20 respectively;
  • the second hinge assembly 32 is arranged at the bottom of the box body 10, and is fixed with the box body 10 and the door body 20 connect.
  • the first hinge assembly 31 and the second hinge assembly 32 are arranged along the same axis, so that the door body 20 can rotate around the axis to realize the opening and closing of the door body 20 .
  • the hinge assembly 30 is located on the left or right side of the door body 20 .
  • the door body 20 includes a left side wall, a right side wall, an upper side wall, a lower side wall and a front side wall.
  • the side wall closer to the hinge assembly 30 among the left side wall and the right side wall of the door body 20 is referred to as the side wall 21 .
  • the hinge assembly 30 is arranged on the left end of the door body 20 (ie, the user's right end), then the left side wall of the door body 20 is called side wall 21, and the right end of the door body 20 is referred to as its The left end is the center of rotation for rotational movement.
  • the front side wall of the door body 20 is called the front wall 22, and the front wall 22 and the side wall 21 of the door body 20 converge to form a side edge 23.
  • the hinge assembly 30 when the hinge assembly 30 is disposed at the right end of the door body 20 , the right side wall of the door body 20 is called the side wall 21 , and the left end of the door body 20 rotates with its right end as the center of rotation.
  • the box body 10 includes a left side wall, a right side wall, an upper side wall, a lower side wall and a rear side wall.
  • a plane where a side wall near the hinge assembly 30 of the left and right side walls of the box body 10 is located is defined as the reference plane W.
  • the reference plane W As shown in FIG. Taking the reference plane W as the interface, the side where the box body 10 is located is defined as the inner side, and the opposite side is defined as the outer side.
  • the hinge assembly 30 is arranged at the left end of the box body 10 , then the left side wall of the box body 10 is defined as a reference plane W, and the inner side is the right side of the reference plane W.
  • the hinge assembly 30 when the hinge assembly 30 is arranged at the right end of the box body 10 , the right side wall of the box body 10 is defined as the reference plane W, and the inner side is the left side of the reference plane W.
  • the width of the gap A1 is less than or equal to 5 mm, for example, the width of the gap A1 may be 4 mm, 4.5 mm or 5 mm.
  • the hinge assembly 30 is in the form of a biaxial hinge, so that the side edge 23 of the door body 20 moves to the inner side when the door body 20 is rotated, so as to avoid the side edge 23 from colliding with the cabinet 100 .
  • the first hinge assembly 31 includes a first hinge plate 310 , a first biaxial assembly 320 and a first mounting block 330 .
  • the first hinge plate 310 includes a first connecting portion 311 and a first extending portion 312 connected to the first connecting portion 311 , the first connecting portion 311 and the first extending portion 312 are coplanar.
  • the first dual shaft assembly 320 includes a first shaft 321 and a second shaft 322 .
  • the first mounting block 330 includes a first plate body 331 , a first protruding portion 332 , a first slot 333 and a second slot 334 .
  • the first plate 331 extends downward to form a first protruding portion 332 , and the first protruding portion 332 defines a first slot 333 and a second slot 334 .
  • the door body 20 includes a first receiving groove 24 located in an upper sidewall of the door body 20 .
  • the first mounting block 330 is embedded in the first receiving groove 24 .
  • the first plate body 331 is parallel to the upper sidewall of the door body 20 .
  • the first plate body 331 has a plurality of through holes 3311, the door body 20 has a plurality of threaded holes 25, and the plurality of threaded holes 25 are located in the upper side wall of the door body 20 and correspond to the plurality of through holes 3311 one by one.
  • the first plate body 331 can be fixedly connected with the door body 20 by means such as screws.
  • Both the first shaft 321 and the second shaft 322 of the first double shaft assembly 320 are disposed on the first extension portion 312 and extend downward from the lower surface of the first extension portion 312 .
  • the first shaft 321 fits into the first slot 333
  • the second shaft 322 fits into the second slot 334 .
  • the first connecting portion 311 is connected to the upper sidewall of the box body 10 .
  • the first connecting part 311 has a plurality of through holes 3111, and the box body 10 has a plurality of threaded holes, and the plurality of threaded holes are located in the upper side wall of the box body 10 and correspond to the plurality of through holes 3111 one by one.
  • the screws can fix the first connection part 311 to the box body 10 .
  • the box body 10 and the door body 20 are connected through the first hinge assembly 31 , and the door body 20 can rotate relative to the box body 10 through the first hinge assembly 31 .
  • the diameter of the first shaft 321 is larger than the diameter of the second shaft 322 .
  • the first axis 321 is the main axis and mainly plays a positioning role
  • the second axis 322 is a secondary axis and mainly plays a guiding role.
  • the first shaft 321 and the second shaft 322 are cylindrical or conical.
  • the diameter of the free end of the first shaft 321 is smaller than the diameter of its fixed end
  • the diameter of the free end of the second shaft 322 is smaller than the diameter of its fixed end.
  • both the first groove 333 and the second groove 334 are flared. In this way, it is convenient to install the first shaft 321 and the second shaft 322 in the first groove 333 and the second groove 334 respectively, which is conducive to improving the first shaft 321 and the first groove 333, and the second shaft 322 and the second groove 334. The tightness of fit.
  • the angle between the generatrix of the first axis 321 and its axis is between 0° and 5° (for example, the angle can be 0°, 1°, 2° , 3° or 5°), and the included angle between the generatrix of the second shaft 322 and its axis is between 0° and 5° (for example, the included angle can be 0°, 1°, 2°, 3° or 5° ).
  • the first connecting portion 311 is integrally formed with the first extension portion 312
  • the first hinge plate 310 , the first shaft 321 and the second shaft 322 are integrally formed.
  • first hinge plate 310 , the first shaft 321 and the second shaft 322 can be independent parts, and the first shaft 321 and the second shaft 322 can be fixedly connected to the first hinge plate 310 by welding or screwing. But it is not limited to disposing the first shaft 321 and the second shaft 322 on the first hinge plate 310 .
  • first shaft 321 and the second shaft 322 are arranged on the first mounting block 330, and the first groove 333 and the second groove 334 are arranged in the first hinge plate 310; On the hinge plate 310 , another shaft or another slot is provided on the first mounting block 330 .
  • first shaft 321 and the second shaft 322 are arranged on the first hinge plate 310, and the first groove 333 and the second groove 334 are arranged on the first mounting block 330 as an example.
  • the first mounting block 330 may be omitted. In this case, when the first shaft 321 and the second shaft 322 are disposed on the first hinge plate 310 , the first groove 333 and the second groove 334 are disposed on the door body 20 .
  • the first mounting block 330 is made of polyoxymethylene (Polyformaldehyde, POM).
  • POM Polyoxymethylene
  • the POM has strong friction resistance, so that the service life of the first mounting block 330 can be extended.
  • the second hinge assembly 32 includes a second hinge plate 340 , a second biaxial assembly 350 and a second mounting block 360 .
  • the second hinge plate 340 includes a second connecting portion 341 and a second extending portion 342 connected to the second connecting portion 341 .
  • the second dual shaft assembly 350 includes a third shaft 351 and a fourth shaft 352 .
  • the second mounting block 360 includes a second plate body 361 , a second protruding portion 362 , a third slot 363 and a fourth slot 364 .
  • the second plate body 361 extends upwards to form a second protruding portion 362 , and the second protruding portion 362 defines a third groove 363 and a fourth groove 364 therein.
  • the door body 20 includes a second receiving slot 26 located in a lower sidewall of the door body 20 .
  • the second mounting block 360 is embedded in the second receiving groove 26 .
  • the second plate body 361 is parallel to the lower side wall of the door body 20 .
  • the second plate body 361 has a plurality of through holes 3611, and the door body 20 has a plurality of threaded holes. The screws can fix the second plate body 361 to the door body 20 .
  • the second connecting portion 341 is connected to a side of the lower end of the box body 10 close to the door body.
  • the second extending portion 342 extends along the second connecting portion 341 toward a direction away from the box body 10 .
  • the second connecting part 341 has a plurality of through holes 3411, and the box body 10 has a plurality of threaded holes, and the plurality of threaded holes are located in the lower side wall of the box body 10 and correspond to the plurality of through holes 3411 one by one.
  • the screws can fix the second connection part 341 to the box body 10 .
  • Both the third shaft 351 and the fourth shaft 352 of the second dual shaft assembly 350 are disposed on the second extension part 342 and extend upward from the upper surface of the second extension part 342 .
  • the third shaft 351 fits into the third slot 363
  • the fourth shaft 352 fits into the fourth slot 364 .
  • the box body 10 and the door body 20 are connected through the second hinge assembly 32 , and the door body 20 can rotate relative to the box body 10 through the second hinge assembly 32 .
  • the diameter of the third shaft 351 is larger than the diameter of the fourth shaft 352 .
  • the third axis 351 is the main axis, mainly for positioning
  • the fourth axis 352 is the auxiliary axis, mainly for guiding.
  • the door body 20 rotates, it will exert force on the third axis 351 and the fourth axis 352 , and the force is mainly concentrated on the main axis. Therefore, when the diameter of the third shaft 351 is larger than that of the fourth shaft 352, the strength of the third shaft 351 can be improved.
  • the third axis 351 and the fourth axis 352 are cylindrical or conical.
  • the diameter of the free end of the third shaft 351 is smaller than the diameter of its fixed end
  • the diameter of the free end of the fourth shaft 352 is smaller than the diameter of its fixed end.
  • both the third groove 363 and the fourth groove 364 are flared. In this way, it is convenient to install the third shaft 351 and the fourth shaft 352 in the third groove 363 and the fourth groove 364 respectively, which is conducive to improving the third shaft 351 and the third groove 363, and the fourth shaft 352 and the fourth groove 364. The tightness of fit.
  • the angle between the generatrix of the third axis 351 and its axis is between 0° and 5° (for example, the angle can be 0°, 1°, 2° , 3° or 5°), and the included angle between the generatrix of the fourth axis 352 and its axis is between 0° and 5° (for example, the included angle can be 0°, 1°, 2°, 3° or 5° ).
  • the second connecting portion 341 is integrally formed with the second extension portion 342 , and the second hinge plate 340 , the third shaft 351 and the fourth shaft 352 are integrally formed.
  • the second hinge plate 340 , the third shaft 351 and the fourth shaft 352 can be independent parts, and the third shaft 351 and the fourth shaft 352 can be fixedly connected with the second hinge plate 340 by welding or screwing. But it is not limited to disposing the third shaft 351 and the fourth shaft 352 on the second hinge plate 340 .
  • the third shaft 351 and the fourth shaft 352 are arranged on the second mounting block 360, and the third groove 363 and the fourth groove 364 are arranged in the second hinge plate 340; or, one shaft or one groove is arranged on the second On the hinge plate 340 , another shaft or another slot is provided on the second mounting block 360 .
  • the following mainly introduces that the third shaft 351 and the fourth shaft 352 are arranged on the second hinge plate 340, and the third groove 363 and the fourth groove 364 are arranged on the second mounting block 360 as an example.
  • the second mounting block 360 may be omitted. In this case, when the third shaft 351 and the fourth shaft 352 are disposed on the second hinge plate 340 , the third groove 363 and the fourth groove 364 are disposed on the door body 20 .
  • the second mounting block 360 is made of polyoxymethylene (Polyformaldehyde, POM).
  • POM Polyoxymethylene
  • the POM has strong friction resistance, so that the service life of the second mounting block 360 can be extended.
  • the second mounting block 360 further includes a locking hook 365 disposed on one side (left side or right side) of the second board body 361 .
  • the free end of the locking hook 365 extends away from the second plate 361 and bends toward the second plate 361 to form an opening 3651 facing the second plate 361 , and the free end of the locking hook 365 It is closer to the box body 10 than its fixed end.
  • the second hinge plate 340 further includes a stop portion 343 disposed on one side (left or right) of the second extension portion 342 .
  • the stop portion 343 extends from one side of the second extension portion 342 toward a direction away from the second extension portion 342 .
  • the position of the stopper 343 corresponds to the position of the opening 3651 , that is, when the lock hook 365 is arranged on the left side of the second board 361 , the stopper 343 is arranged on the left side of the second extension part 342 , Conversely, when the locking hook 365 is disposed on the right side of the second plate body 361 , the stop portion 343 is disposed on the right side of the second extension portion 342 .
  • the locking hook 365 may be disposed on at least one of the first mounting block 330 and the second mounting block 360 , and the stopper 343 is disposed on the first hinge plate 310 and the second hinge plate corresponding to the locking hook 365 At least one of 340 on.
  • the process of opening or closing the door body 20 relative to the box body 10 will be described below mainly taking the first hinge assembly 31 disposed on the upper part of the box body 10 as an example. It can be understood that the working principle of the second hinge assembly 32 is the same as that of the first hinge assembly 31 , which will not be repeated in this disclosure.
  • the first shaft 321 fits into the first slot 333
  • the second shaft 322 fits into the second slot 334 .
  • the first shaft 321 can move relative to the first slot 333
  • the second shaft 322 can move relative to the second slot 334 .
  • first hinge plate 310 After the first hinge plate 310 is fixedly connected to the box body 10, and the first shaft 321 and the second shaft 322 are fixedly connected to the first hinge plate 310, during the rotation of the door body 20 relative to the box body 10, the box body 10 remain stationary, thus the first hinge plate 310, the first shaft 321 and the second shaft 322 also remain stationary. At this time, the first slot 333 will move relative to the first shaft 321 , and the second slot 334 will move relative to the second shaft 322 . However, it can be understood that there is a relative motion relationship between the first groove 333 and the first shaft 321, and between the second groove 334 and the second shaft 322.
  • first groove 333 and the second groove 334 are static reference objects, the first shaft 321 moves in the first groove 333 , and the manner in which the second shaft 322 moves in the second groove 334 is described.
  • FIG. 7 shows the relative positions of the first shaft 321 and the second shaft 322 .
  • the width of the gap A2 is between 9mm and 12mm, for example, the width of the gap A2 can be 9mm, 10mm or 12mm.
  • the refrigerator 1 further includes a door seal 40 , and the door seal 40 is disposed on a side of the door body 20 close to the box body 10 .
  • the door seal 40 is located between the door 20 and the box 10 and is configured to fill the gap A2 and seal the storage room.
  • the first shaft 321 is farther away from the front wall 22 and closer to the side wall 21 than the second shaft 322 .
  • the thickness D1 of the door body 20 is between 44 mm and 53 mm, for example, the thickness D1 of the door body 20 is 46 mm, 48 mm or 52 mm. Both the outer diameters of the first shaft 321 and the second shaft 322 are smaller than the thickness D1 of the door body 20 .
  • first shaft 321 and the second shaft 322 can be adjusted within a certain range.
  • the first groove 333 includes a positioning linear groove and a positioning curved groove, and the positioning linear groove extends toward the side wall 21 .
  • the positioning linear groove includes the part of the first groove 333 from the first positioning position 501 to the third positioning position 503, which will be described in detail later.
  • the positioning curved groove communicates with one end of the positioning linear groove close to the side wall 21 , and extends toward the front wall 22 and the side wall 21 .
  • the positioning curve groove includes a part of the first groove 333 from the third positioning position 503 to the fifth positioning position 505, which will be described in detail later.
  • the centerline of the positioning linear groove of the first groove 333 is approximately a straight line, the centerline of the positioning curved groove of the first groove 333 is approximately an arc, and the centerline of the positioning linear groove is substantially the same as the centerline of the positioning curved groove. Tangent.
  • the second groove 334 is a curved groove, generally extending away from the front wall 22 and close to the side wall 21 .
  • the second groove 334 includes a front guide curve groove (including the part between the second groove 334 from the first guide position 601 to the fifth guide position 605) and a rear guide curve groove (including the second groove 334 from the fifth guide position 605 to the The part between the sixth guide position 606), the rear guide curve groove is located at the end of the front guide curve groove.
  • the front guide curve groove protrudes toward the direction away from the front side wall of the door body 20
  • the rear guide curve groove protrudes toward the direction close to the front side wall of the door body 20 .
  • the side edge 23 is located on the concave side of the front guide curve groove and on the convex side of the rear guide curve groove.
  • the positioning curved groove of the first groove 333 can also be a straight groove, at this time, the centerline of the positioning curved groove is roughly a straight line; part or all of the second groove 334 A segment may also be a straight groove, which is not limited in the present disclosure.
  • the maximum opening angle of the door body 20 is about 105°.
  • the process of the door body 20 rotating from the closed state (ie, the opening angle is 0°) to the open state (ie, the opening angle is about 105°) includes the first stage to the fourth stage.
  • the first groove 333 includes a first positioning position 501 and a second positioning position 502, the second positioning position 502 is closer to the side wall 21 than the first positioning position 501, and the center of the first positioning position 501 and The line connecting the centers of the second positioning positions 502 is parallel to the front side wall of the door body 20 when the door body 20 is in the closed state (when the front side wall of the door body 20 is flat rather than curved).
  • the first shaft 321 moves from the first positioning position 501 to the second positioning position 502 , that is, the first shaft 321 moves toward the side wall 21 .
  • the second slot 334 includes a first guiding position 601 and a second guiding position 602 , the second guiding position 602 is farther away from the front wall 22 and closer to the side wall 21 than the first guiding position 601 .
  • the second shaft 322 moves from the first guiding position 601 to the second guiding position 602, and under the guidance of the second groove 334, the first shaft 321 moves from the first positioning position 501 moves to the second positioning position 502.
  • the first shaft 321 since the first shaft 321 remains stationary, when the first shaft 321 moves toward the side wall 21 along the first groove 333, the first groove 333 actually moves toward the reference plane W relative to the first shaft 321.
  • the inner side moves, so that the door body 20 moves to the inner side by a first distance while rotating.
  • the side edge 23 when the door body 20 moves to the inner side, the side edge 23 also moves to the inner side relative to the reference plane W, so that the distance D2 of the side edge 23 beyond the reference plane W is smaller than the width of the gap A1, thereby preventing The side edge 23 collides with the cabinet 100 .
  • the first angle is between 5° and 8°.
  • the first angle is 5°, 7° or 8°.
  • the refrigerator 1 provided by some embodiments of the present disclosure adopts a biaxial hinge (the first hinge assembly 21 is the biaxial hinge), when the door body 20 is opened to the first angle, the movement track of the door body 20 can be decomposed It is: to move to the inner side under the positioning of the first shaft 321 and the first slot 333 , and to perform a rotational movement under the guidance of the second shaft 322 and the second slot 334 .
  • the side edge 23 can be moved to the inner side of the reference plane W when the door body 20 is opened at the first angle.
  • the relative positions of the first axis 321 and the second axis 322 can also be set in other forms.
  • the second axis 322 can be closer to or farther away from the first axis 321, when the relative position of the first axis 321 and the second axis 322 changes, the shape, position and extension direction of the first groove 333 and the second groove 334 can be Make adaptive settings, so I won’t repeat them here.
  • the first guiding position 601 is located at the head end of the second slot 334 .
  • the motion locus of the first shaft 321 between the first positioning position 501 and the second positioning position 502 is the first positioning straight line segment 51.
  • the first positioning straight line segment 51 is parallel to the door body 20 front side wall.
  • the motion trajectory of the second shaft 322 between the first guiding position 601 and the second guiding position 602 is the first guiding curve segment 61 .
  • the first guide curve segment 61 is a spline curve extending away from the front wall 22 and close to the side wall 21 .
  • the motion trajectory is that when the shaft (the first shaft 321 or the second shaft 322) moves in its corresponding groove (the first groove 333 or the second groove 334), the axis of the shaft is at The trajectory line formed by the orthographic projection on the groove bottom of the groove.
  • the angle between the first positioning straight line segment 51 and the tangent of any point on the first guide curve segment 61 is greater than or equal to 45° (such as 45°, 48°, 50°, 60°, 75° etc.), so as to improve the stability of the door body 20 in the rotation process, so that the door body 20 is not easy to shake.
  • the first groove 333 also includes a third positioning position 503, the third positioning position 503 is closer to the side wall 21 than the second positioning position 502, and the center of the third positioning position 503 is closer to the second positioning position
  • the line between the centers of the locations 502 is parallel to the front wall 22 .
  • the second groove 334 also includes a third guiding position 603 , and the third guiding position 603 is closer to the side wall 21 and farther away from the front wall 22 than the second guiding position 602 .
  • the first shaft 321 moves from the second positioning position 502 to the third positioning position 503 in a direction close to the side wall 21 , so that the door body 20 continues to move toward the inner side by a second distance while rotating.
  • the second angle is between 30° and 40°, for example, the second angle may be 30°, 35° or 40°.
  • the second angle is an opening angle relative to the closed state of the door body 20 .
  • the side edge 23 also moves to the inner side relative to the reference plane W. Therefore, in the second stage, as the door body 20 rotates to the second angle, the distance D3 of the lateral edge 23 beyond the reference plane W and moving to the outer side is still smaller than the width of the gap A1, thereby preventing the lateral edge 23 from Collision with cabinet 100.
  • the motion locus of the first shaft 321 between the second positioning position 502 and the third positioning position 503 is the second positioning straight line segment 52, and the second shaft 322 is between the second guiding position 602 and the third guiding position 602.
  • the motion trajectory between the positions 603 is the second guide curve segment 62 .
  • the first shaft 321 moves along the second positioning straight line segment 52 toward the direction close to the side wall 21, while the second shaft 322 moves along the second guide curve
  • the segment 62 moves toward the direction close to the side wall 21 and away from the front wall 22 , so that the door body 20 moves toward the inner side by a second distance while rotating.
  • the angle between the second positioning straight line segment 52 and the tangent of any point on the second guide curve segment 62 is greater than or equal to 45° (such as 45°, 48°, 50°, 60°, 75°, etc.), so that the door body 20 can be improved.
  • the stability in the rotation process makes the door body 20 not easy to shake.
  • the slope of the first guide curve segment 61 before the trend change point is greater than that at the trend change point.
  • the slope of the second guide curve segment 62 after the point, referring to Fig. 10, the tangent line of the first guide curve segment 61 at the described trend change point is B, and the second guide curve segment 62 is located at a side edge 23 of the tangent line B. side.
  • the distance that the door body 20 moves to the inner side per opening unit angle in the first stage is smaller than the distance that the door body 20 moves to the inner side per opening unit angle in the second stage.
  • the distance that the door body 20 moves to the inner side per opening unit angle in the first stage is the first marginal distance (marginal distance) D01, and the door body 20 moves to the inner side per opening unit angle in the second stage.
  • the distance is the second marginal distance D02, and the first marginal distance D01 is smaller than the second marginal distance D02. That is to say, the distance that the door body 20 moves to the inner side in the first stage can be relatively small, so as to prevent the door body 20 from opening when the door body 20 is just opened (for example, when the door body 20 is opened by the first unit angle).
  • the door body 20 moves a large distance to the inner side to cause lateral friction between the door seal 40 and the box body 10 (that is, the direction of the friction force is substantially perpendicular to the reference plane W).
  • the first groove 333 further includes a fourth positioning position 504 , and the fourth positioning position 504 is closer to the side wall 21 and the front wall 22 than the third positioning position 503 .
  • the second groove 334 further includes a fourth guiding position 604 , and the fourth guiding position 604 is closer to the side wall 21 and farther away from the front wall 22 than the third guiding position 603 .
  • the first shaft 321 moves from the third positioning position 503 to the fourth positioning position 504 in a direction close to the side wall 21 and the front wall 22 , so that the door body 20 continues to move a third distance to the inner side while rotating.
  • the third angle is 90°.
  • the third angle is an opening angle relative to the closed state of the door body 20 .
  • the door body 20 When the door body 20 is opened to 90°, the door body 20 is located on the inside of the reference plane W, and there is a gap A3 between it and the reference plane W (refer to FIG. 11 ).
  • the width of the gap A3 may be between 2 mm and 4 mm.
  • the width of the gap A3 is 2mm, 3mm or 4mm.
  • the motion locus of the first shaft 321 between the third positioning position 503 and the fourth positioning position 504 is the third positioning curve segment 53
  • the second shaft 322 is guided at the third
  • the motion locus line between the position 603 and the fourth guiding position 604 is the third guiding curve segment 63
  • the tangent line of any point on the third positioning curve segment 53 is the same as that on the third guiding curve segment 63 and the third positioning curve segment 53
  • the included angle of the tangent line of any point corresponding to the point is greater than or equal to 45° (such as 45°, 48°, 50°, 60°, 75°, etc.), so that the stability of the door body 20 during rotation can be improved, so that The door body 20 is not easy to shake.
  • the motion trajectory between the third positioning position 503 and the fourth positioning position 504 may also have a straight line segment, or the motion trajectory between the third guiding position 603 and the fourth guiding position 604 Lines can also have straight segments.
  • the door body 20 is always moving to the inside during the process from the closed state to being opened to 90°, and when the door body 20 rotates to 90°, the door The body 20 is already located on the inner side of the reference plane W, so the door body 20 can continue to open to a larger angle (for example, greater than 90°), which is convenient for users to take and place food.
  • a larger angle for example, greater than 90°
  • the first groove 333 further includes a fifth positioning position 505 , and the fifth positioning position 505 is closer to the side wall 21 and the front wall 22 than the fourth positioning position 504 .
  • the second slot 334 also includes a fifth guiding position 605 , the fifth guiding position 605 is closer to the side wall 21 and farther away from the front wall 22 than the fourth guiding position 604 .
  • the door body 20 continues to open from the third angle to the fourth angle (about 105°), and the second shaft 322 moves from the fourth guide position 604 to the first side wall 21 and away from the front wall 22.
  • the first shaft 321 moves from the fourth positioning position 504 to the fifth positioning position 505 in the direction close to the side wall 21 and the front wall 22, so that the door body 20 can continue to be opened to more than 90° without It will collide with the cabinet 100 , so that the user's requirement of embedding the refrigerator 1 into the cabinet 100 can be met.
  • the fourth angle is an opening angle relative to the closed state of the door body 20.
  • the door 20 can be opened to a larger angle (for example, 120°).
  • the process of opening the door body 20 also includes a fifth stage (after the fourth stage).
  • the arrows in FIG. 13 show the moving directions of the first shaft 321 and the second shaft 322 relative to the first groove 333 and the second groove 334 respectively in the fifth stage.
  • the first groove 333 further includes a sixth positioning position 506
  • the sixth positioning position 506 is located between the fifth positioning position 505 and the third positioning position 503 .
  • the second groove 334 also includes a sixth guiding position 606 , and the sixth guiding position 606 is farther away from the front wall 22 and closer to the side wall 21 than the fifth guiding position 605 .
  • the sixth guide location 606 is located at the end of the second slot 334 .
  • the motion locus of the first shaft 321 between the fifth positioning position 505 and the sixth positioning position 506 is the fourth positioning curve segment 54 (that is, the positioning curve segment), and the fourth positioning curve segment 54 is the first positioning curve segment.
  • the motion trajectory of the second shaft 322 between the fifth guiding position 605 and the sixth guiding position 606 is the fourth guiding curve segment 64 (ie, the rear guiding curve groove).
  • the distance from the fourth guide curve segment 64 to the front wall 22 gradually increases, so that the portion of the second groove 334 near its end ( That is, the rear guide curve groove) is bent in a direction away from the front wall 22 , and the side edge 23 is located on the convex side of the fourth guide curve segment 64 .
  • the second shaft 322 moves from the fifth guide position 605 along the direction close to the side wall 21 and away from the front wall 22. While moving to the sixth guiding position 606, the first shaft 321 can move from the fifth positioning position 505 to the sixth positioning position 506 in the direction opposite to its moving direction in the fourth stage, that is, the first shaft 321 is in the first Pull back in slot 333.
  • the fifth angle is an opening angle relative to the closed state of the door body 20 .
  • the fifth positioning position 505 can be set at the end of the first groove 333 .
  • the side edge 23 of the door body 20 is located inside the reference plane W.
  • the door body 20 When the door body 20 continues to be opened to a larger angle (greater than 105°), the door body 20 rotates under the guidance of the second shaft 322 and the second slot 334, and under the positioning of the first shaft 321 and the first slot 333 Moving away from the front wall 22 and the side wall 21, like this, when the door body 20 continues to move to the inner side, it will not occupy the space on the front side of the storage room, which is convenient for the drawer in the storage room to be drawn out.
  • the motion trajectory between the fifth positioning position 505 and the sixth positioning position 506 may also have a straight line segment, or the motion trajectory between the fifth guiding position 605 and the sixth guiding position 606 may also be have straight segments.
  • the angle between the tangent of any point on the fourth positioning curve segment 54 and the tangent of the point corresponding to any point of the fourth positioning curve segment 54 on the fourth guide curve segment 64 is greater than or equal to 45° (for example, 45° , 48°, 50°, 60°, 75°, etc.), so as to improve the stability of the door body 20 during rotation, so that the door body 20 is not easy to shake.
  • the track curve (ie, the center line) of the second groove 334 will be described below in conjunction with the first stage to the fifth stage in the opening process of the door body 20 and the accompanying drawings.
  • the door body 20 in the first stage, is opened to about 10° from the closed state, and the curvature of the track curve of the second groove 334 is relatively large, so that the door body 20 can move to the inner side to The distance D2 by which the lateral edge 23 is moved beyond the reference plane W and to said outer side is smaller than the width of the gap A1 .
  • the door 20 In the second phase, the door 20 is opened from about 10° to about 40°, the lateral edge 23 of the door 20 moves to the maximum of the distance it can exceed the reference plane W in said outer side (danger point).
  • the door body 20 In order to avoid collision with the cabinet 100, the door body 20 needs to continue to move toward the inner side. However, since the door body 20 has moved inward in the previous stage, the pressure of the inward movement in this stage has been reduced. Therefore, the curvature of the track curve of the second groove 334 is smaller than that in the previous stage.
  • the door body 20 is opened from about 40° to about 90°, the side edge 21 of the door body 20 has crossed the dangerous point, and the trajectory curve of the first groove 333 and the trajectory curve of the second groove 334
  • the angle between the tangent lines at any two corresponding points above is greater than or equal to 45°, the door body 20 has high stability during rotation and is not prone to shaking. Therefore, the second groove 334 is in the third stage.
  • the curvature of the trajectory curve is smaller than the curvature of the trajectory curve of the second stage.
  • the door body 20 is opened from about 90° to about 105°, and the curvature of the trajectory curve of the second groove 334 is increased compared with the third stage, so that the trajectory curve of the first groove 333 and the curvature of the second groove 334 can be avoided.
  • the included angle between the tangent lines at any two corresponding points on the trajectory curve is less than or equal to 45° (such as 30°, 37°, 40°, 42°, 45°, etc.).
  • the door body 20 is opened from about 105° to 120°, which is to increase the distance between the tangents at any corresponding two points on the trajectory curve of the first groove 333 and the trajectory curve of the second groove 334 In the included angle, the bending direction of the track curve of the second groove 334 changes (that is, the convex side of the track curve of the second groove 334 faces the side edge 23 ), but the curvature decreases compared with the fourth stage.
  • s is 90°.
  • X2 a+2R ⁇ [sin(n-s)/2] ⁇ [cos(3n-s)/2]+L ⁇ cos(n+m-s)
  • Y2 b-2R ⁇ [sin (n-s)/2] ⁇ [sin(3n-s)/2]-L ⁇ sin(n+m-s).
  • t is 105°.
  • the rotation angle is s
  • the value of s can be obtained through calculation
  • the rotation angle is t
  • the change point satisfies 2 at the same time and 3
  • the value of t can be obtained by calculation.
  • the calculated value of s is 90° and the calculated value of t is 105°.
  • the third shaft 351 of the second hinge assembly 32 is The movement in its third groove 363 and the movement of the fourth shaft 352 of the second hinge assembly 32 in its fourth groove 364 are respectively related to the movement of the aforementioned first shaft 321 in the first groove 333 and the movement of the second shaft 321.
  • the movement of 322 in the second groove 334 is similar, and will not be repeated here.
  • the refrigerator 1 includes a first hinge assembly 31', and the first hinge assembly 31' includes a first groove 333' and a second groove 334'.
  • the difference from the second groove 334 shown in FIG. 8 is that the portion near the end of the second groove 334' is bent toward the direction close to the front wall 22.
  • the sixth guiding position 606' closer to the front wall 22 . That is, the side edge 23 is located at the concave side of the rear curved guide groove of the second groove 334', so that in the process of opening the door body 20, the first shaft 321 does not withdraw in the first groove 333' (will be carried out below). introduce).
  • the sixth positioning position 506' is closer to the side wall 21 and the front wall 22 than the fifth positioning position 505', and the sixth positioning position 506' is located at the edge of the first groove 333'.
  • the positioning curve groove is formed between the third positioning position 503' and the sixth positioning position 506'.
  • FIG. 20 to 24 show five stages in the process of opening the door body 20 from the closed state to the fully opened state when the hinge in the modified example is used.
  • Fig. 20 to Fig. 23 show the first stage to the fourth stage respectively, the first stage to the fourth stage and the aforementioned first stage to the fourth stage (shown in Fig. 9 to Fig. 12)
  • the moving trajectory and working principle of the first hinge assembly in are similar, and will not be repeated here, and the difference mainly lies in the fifth stage.
  • the first slot 333' also includes a sixth positioning location 506'.
  • the sixth positioning position 506' is located at the end of the first groove 333', and the sixth positioning position 506' is closer to the side wall 21 and closer to the front wall 22 than the fifth positioning position 505'.
  • the second groove 334' also includes a sixth guiding position 606', which is closer to the side wall 21 and closer to the front wall 22 than the fifth guiding position 605'.
  • the first shaft 321 moves from the fifth positioning position 505' to the sixth positioning position 506' along the direction close to the side wall 21 and the front wall 22.
  • the second shaft 322 moves from the fifth guiding position 605' to the sixth guiding position 606' in a direction close to the side wall 21 and close to the front wall 22.
  • the motion locus of the first shaft 321 between the fifth positioning position 505' and the sixth positioning position 506' is the fourth positioning curve segment 54', and the fourth positioning curve segment 54' is close to the third positioning curve segment 53'.
  • the direction of the side wall 21 and the front wall 22 extends;
  • the motion locus of the second shaft 322 between the fifth guide position 605' and the sixth guide position 606' is the fourth guide curve segment 64', and the fourth guide curve segment 64 'extend toward the direction close to the side wall 21 and the front wall 22, and the tangent line of any point of the fourth positioning curve segment 54' corresponds to any point on the fourth guide curve segment 64' corresponding to any point of the fourth positioning curve segment 54'
  • the included angle of the tangent line is greater than or equal to 20°, thereby improving the stability of the door body 20 in the rotation process and making the door body 20 not easy to shake.
  • the motion trajectory between the fifth positioning position 505' and the sixth positioning position 506' may also include a straight line segment, or the movement between the fifth guiding position 605' and the sixth guiding position 606'
  • the trajectory line may also include a straight line segment, which is not limited in the present disclosure.
  • the first shaft 321 moves from the head end to the end of the first slot 333 ′, and the second shaft 322 moves from the The head end of the second groove 334' moves to the end, and the first shaft 321 does not retreat in the first groove 333', so that the movement trend of the door body 20 is more constant, which is beneficial to improve the opening process of the door body 20. fluency.
  • the refrigerator 1 includes a first hinge assembly 31", and the first hinge assembly 31" includes a first groove 333" and a fourth groove 334".
  • the first groove 333 " comprises a front positioning curve groove, a middle positioning straight groove and a rear positioning curve groove.
  • One end of the front positioning curve groove communicates with an end of the middle positioning straight groove, and the other end of the middle positioning straight groove communicates with the middle positioning straight groove.
  • One end of the rear positioning curved groove is connected.
  • the movement of the door body 20 using the first hinge assembly 31 ′′ at the stage of just opening is different from that of the door body 20 using the first hinge assemblies 31 and 31 ′ at the stage of just opening.
  • adopt the motion of the door body 20 of first hinge assembly 31 " and adopt the door body of first hinge assembly 31 and 31 ' 20 is the same, and the present disclosure will not repeat them here.
  • the first slot 333" includes a seventh positioning position 507 and an eighth positioning position 508.
  • the seventh positioning position 507 is located at the head end of the first slot 333".
  • the eighth positioning position 508 is closer to the side wall 21 and further away from the front wall 22 than the seventh positioning position 507 .
  • the second slot 334 ′′ includes a seventh guiding position 607 and an eighth guiding position 608 .
  • the seventh guiding position 607 is located at the head end of the second slot 334 ′′, away from the side wall 21 and close to the front wall 22 .
  • the eighth guiding position 608 is farther away from the front wall 22 and closer to the side wall 21 than the seventh guiding position 607 .
  • the door body 20 is opened from the closed state to the sixth angle, and while the second shaft 322 moves from the seventh guiding position 607 to the eighth guiding position 608, the first shaft 321 moves from the seventh positioning position 507 Move to the eighth positioning position 508 in a direction close to the side wall 21 and away from the front wall 22 , and correspondingly, the first slot 333 ′′ moves in the inner direction relative to the first shaft 321 .
  • the door body 20 rotates under the guidance of the second shaft 322 and the second slot 334 ′′, it also moves a certain distance to the inner side under the positioning of the first shaft 321 and the first slot 333 ′′.
  • the door body 20 can drive the side edge 23 to move to the inner side, so that the side edge 23 exceeds the reference plane W and moves to the outer side by a distance D4 equal to the width of the gap A1, so that the side edge 23 can be avoided. Collision with cabinet 100.
  • the movement trajectory of the first shaft 321 between the seventh positioning position 507 and the eighth positioning position 508 is the sixth positioning curve segment 56 .
  • the movement trajectory of the second shaft 322 between the seventh guiding position 607 and the eighth guiding position 608 is the sixth guiding curve segment 66 .
  • Both the sixth positioning curve section 56 and the sixth guiding curve section 66 are spline curves extending away from the front wall 22 and close to the side wall 21 .
  • the side edge 23 can be moved to the inner side of the reference plane W when the door body 20 is opened at a sixth angle.
  • the first slot 333" also includes a third positioning position 503", and the third positioning position 503" is closer to the side wall 21 than the eighth positioning position 508.
  • the second slot 334" also includes a third guiding position 603 ′′, the third guiding position 603 ′′ is closer to the side wall 21 and farther away from the front wall 22 than the eighth guiding position 608 .
  • the movement locus of the first axis 321 between the eighth positioning position 508 and the third positioning position 503" is the seventh positioning straight line segment 57, and the seventh positioning straight line segment 57 is parallel to the front wall 22.
  • the second axis 322 is at the The motion trajectory between the eighth guiding position 608 and the third guiding position 603 ′′ is the seventh guiding curve segment 67 .
  • the door body 20 continues to open from the sixth angle to the seventh angle, and the second shaft 322 moves from the eighth guiding position 608 to the third guiding position 603" in a direction close to the side wall 21 and away from the front wall 22.
  • the first shaft 321 moves from the eighth positioning position 508 to the third positioning position 503" in the direction close to the side wall 21, so that the door body 20 rotates under the guidance of the second shaft 322 and the second groove 334", at the same time, Then, under the positioning of the first shaft 321 and the first groove 333", it moves toward the inner side, thereby driving the side edge 23 to continue to move toward the inner side, so that the side edge 23 exceeds the reference plane W and moves to the outer side by a distance D5 In this way, the collision between the side edge 23 and the cabinet 100 can be avoided.
  • the first grooves 333, 333' and 333" all include horizontal grooves (that is, the positioning linear grooves or the middle positioning linear grooves).
  • the horizontal grooves of the first grooves 333, 333' and 333" are parallel to the front wall 22 when the door body 20 is in the closed state, so that the space occupied by the horizontal grooves in the front and rear direction of the door body 20 is relatively small, so that the first grooves
  • the dimensions of the first groove 333, 333' and 333" and the second groove 334, 334' and 334" are more compact in the front and back direction of the refrigerator 1, therefore, the thickness of the door body 20 can be designed to be thinner, so that the door body 20 When moving to the inside, the space on the front side of the storage room will not be occupied, and the drawer in the storage room is easy to be pulled out.
  • the minimum distance C1 from the first groove 333 to the front wall 22 is not less than the minimum distance C2 from the second groove 334 to the front wall 22, and the minimum distance from the first groove 333 to the side wall 21 C3 is not less than the minimum distance C4 from the second groove 334 to the side wall 21 , thus, the space occupied by the first groove 333 and the second groove 334 in the door body 20 mainly depends on the shape and size of the second groove 334 .
  • the first groove 333 is formed as a slanted groove 50A, one end of the slanted groove 50A close to the second groove 334 is located on the concave side of the second groove 334 , and the other end faces It extends in a direction close to the front wall 22 and close to the side wall 21 .
  • the first groove 333 can be designed to be closer to the front wall 22, so that when the door body 20 rotates around the first axis 321, its side edge 23 exceeds the reference plane W and moves
  • the distance D6 to the outer side is smaller than the distance D7 formed when the first groove 333 is formed as the inclined groove 50A. That is, distance D6 ⁇ distance D7 as shown in FIG. 31 .
  • the door body 20 of the refrigerator 1 provided by some embodiments of the present disclosure can move a smaller distance to the inner side when rotating, which is beneficial to improve the smoothness of the user opening the door body 20, and can make the door body 20 more Occupy less space in front of the storage room, and prevent the door body 20 from blocking the drawer in the storage room from being drawn out.
  • the first shaft 321 is displaced horizontally in the first groove 333 .
  • the first slot 333 is formed as the chute 50A
  • the displacement of the first shaft 321 in the chute 50A is decomposed into the horizontal direction for the door 20 to move to the inside. Describe the distance moved inside.
  • the first groove 333 includes the horizontal groove, and the first shaft 321 can move horizontally toward the inner side in the first groove 333 .
  • the door body 20 of the refrigerator 1 moves to the inner side with a greater distance, and has a higher displacement to the inner side. Efficiency of medial movement.
  • the first axis 321 and the second axis 322 need to carry out more actual displacement in the first groove 333 and the second groove 334 respectively, in order to achieve the first The effect when the groove 333 comprises the horizontal groove.
  • the actual displacements of the first shaft 321 and the second shaft 322 of the refrigerator 1 in the first groove 333 and the second groove 334 are relatively small, thereby effectively reducing wear and extending the use of the hinge assembly 30 life.
  • the first axis 321 and the second axis 322 are always moving when the door body 20 rotates from the closed state to the fully open state (ie, the opening angle is about 120°). That is, the position of the first shaft 321 in the first slot 333 and the position of the second shaft 322 in the second slot 334 are always changed, so that the door body 20 has a higher fluency when opening.
  • first shaft 321 and the second shaft 322 move smoothly in the first groove 333 and the second groove 334 respectively (that is, there are no structures such as abrupt points and sharp corners in the first groove 333 and the second groove 334), And stable, so the wear between the first shaft and the first groove, and between the second shaft and the second groove is not easy to occur, so that the hinge assembly 30 has a longer service life.

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Abstract

一种冰箱(1),所述冰箱(1)包括箱体(10)、铰链组件(30)和门体(20)。所述铰链组件(30)包括第一槽(333)、第二槽(334)、第一轴(321)和第二轴(322)。所述第一轴(321)与所述第一槽(333)配合;所述第二轴(322)与所述第二槽(334)配合。所述门体(20)通过所述铰链组件(30)与所述箱体(10)相连。所述门体(20)包括侧壁(21)、前壁(22)和侧棱(23)。所述箱体(10)的左侧面和右侧面中靠近所述铰链组件(30)的一者为参考平面(W),所述参考平面(W)的靠近所述箱体(10)的一侧为内侧。在所述门体(20)打开的过程中,当所述第一轴(321)相对于所述箱体(10)固定时,所述第一轴(321)相对于所述第一槽(333)向靠近所述侧壁(21)的方向移动,以使所述门体(20)在旋转的同时向所述内侧移动;当所述第一轴(321)相对于所述门体(20)固定时,所述第一轴(321)相对于所述第一槽(333)向远离所述参考平面(W)的方向移动,以使所述门体(20)在旋转的同时向所述内侧移动。

Description

冰箱
本申请要求于2021年10月29日提交的、申请号为202111276779.6的中国专利申请的优先权,以及于2021年10月29日提交的、申请号为202111274492.X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
本公开涉及家用电器技术领域,尤其涉及一种冰箱。
背景技术
家庭生活中,冰箱已成为每个家庭必备的家电之一。出于对室内美观简洁的需求,越来越多的消费者会选择嵌入式冰箱。
嵌入式冰箱,就是把冰箱嵌入到与其配套的橱柜中,通过地脚、背板和顶板形成散热循环,因此,冰箱的左右两侧壁与橱柜的内侧壁之间可以留有较小的间隙。
发明内容
提供一种冰箱,所述冰箱包括箱体、铰链组件和门体。所述铰链组件包括第一槽、第二槽、第一轴和第二轴。所述第一轴与所述第一槽配合,且相对所述第一槽可运动;所述第二轴与所述第二槽配合,且相对所述第二槽可运动。所述门体通过所述铰链组件与所述箱体相连,以打开或关闭所述箱体。所述门体包括侧壁、前壁和侧棱。所述侧壁为所述门体的靠近所述铰链组件的一侧壁;所述前壁为所述门体的远离所述箱体的一侧壁;所述侧壁和所述前壁的交汇形成所述侧棱。定义所述箱体的左侧面和右侧面中靠近所述铰链组件的一者为参考平面,所述参考平面的靠近所述箱体的一侧为内侧。在所述门体打开的过程中,当所述第一轴相对于所述箱体固定时,所述第一轴相对于所述第一槽向靠近所述侧壁的方向移动,以使所述门体在旋转的同时向所述内侧移动;当所述第一轴相对于所述门体固定时,所述第一轴相对于所述第一槽向远离所述参考平面的方向移动,以使所述门体在旋转的同时向所述内侧移动。
附图说明
为了更清楚地说明本公开中的技术方案,下面将对本公开一些实施例中所需要使用的附图作简单地介绍,然而,下面描述中的附图仅仅是本公开的一些实施例的附图,对于本领域普通技术人员来讲,还可以根据这些附图获得其他的附图。此外,以下描述中的附图可以视作示意图,并非对本公开实施例所涉及的产品的实际尺寸、方法的实际流程、信号的实际时序等的限制。
图1为根据一些实施例的一种冰箱的立体图;
图2为根据一些实施例的一种冰箱安装在橱柜中的俯视图;
图3为图2中圈E处的局部放大图;
图4为根据一些实施例的一种冰箱中第一铰链组件的爆炸图;
图5为根据一些实施例的一种冰箱中第二铰链组件的立体图;
图6为根据一些实施例的一种冰箱中第二铰链组件的爆炸图;
图7为根据一些实施例的一种冰箱的第一轴与第二轴的相对位置的示意图;
图8为根据一些实施例的一种冰箱的双轴组件在门体从关闭状态到完全打开状态的过程中的位置变化示意图;
图9为根据一些实施例的一种冰箱的门体从关闭状态开启至第一角度(对应第一阶段)的结构图;
图10为根据一些实施例的一种冰箱的门体从第一角度开启至第二角度(对应第二阶段)的结构图;
图11为根据一些实施例的一种冰箱的门体从第二角度开启至第三角度(对应第三阶段)的结构图;
图12为根据一些实施例的一种冰箱的门体从第三角度开启至第四角度(对应第四阶段)的结构图;
图13为根据一些实施例的一种冰箱的门体从第四角度开启至第五角度(对应第五阶 段)的结构图;
图14为根据一些实施例的一种冰箱的门体从第四角度开启至第五角度(对应第五阶段)的另一种结构图;
图15为根据一些实施例的一种冰箱的门体处于关闭状态时的结构图;
图16为根据一些实施例的一种冰箱的门体由关闭状态开启至第二角度的结构图;
图17为根据一些实施例的一种冰箱的门体由第二角度开启至第四角度的结构图;
图18为根据一些实施例的一种冰箱的门体由第四角度开启至第五角度的结构图;
图19为根据一些实施例的另一种冰箱的双轴组件在门体从关闭状态到完全打开状态的过程中的位置变化示意图;
图20为根据一些实施例的另一种冰箱的门体从关闭状态开启至第一角度(对应第一阶段)的结构图;
图21为根据一些实施例的另一种冰箱的门体从第一角度开启至第二角度(对应第二阶段)的结构图;
图22为根据一些实施例的另一种冰箱的门体从第二角度开启至第三角度(对应第三阶段)的结构图;
图23为根据一些实施例的另一种冰箱的门体从第三角度开启至第四角度(对应第四阶段)的结构图;
图24为根据一些实施例的另一种冰箱的门体从第四角度开启至第五角度(对应第五阶段)的结构图;
图25为根据一些实施例的又一种冰箱的双轴组件在门体从关闭状态到完全打开状态的过程中的位置变化示意图;
图26为根据一些实施例的又一种冰箱的门体从关闭状态开启至第一角度(对应第一阶段)的结构图;
图27为根据一些实施例的又一种冰箱的门体从第一角度开启至第二角度(对应第二阶段)的结构图;
图28为根据一些实施例的又一种冰箱的门体从第二角度开启至第三角度(对应第三阶段)的结构图;
图29为根据一些实施例的又一种冰箱的门体从第三角度开启至第四角度(对应第四阶段)的结构图;
图30为根据一些实施例的又一种冰箱的门体从第四角度开启至第五角度(对应第五阶段)的结构图;
图31为根据一些实施例的一种冰箱的第一槽与相关技术中的第一槽(即斜槽)的对比示意图。
具体实施方式
下面将结合附图,对本公开一些实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本公开一部分实施例,而不是全部的实施例。基于本公开所提供的实施例,本领域普通技术人员所获得的所有其他实施例,都属于本公开保护的范围。
除非上下文另有要求,否则,在整个说明书和权利要求书中,术语“包括(comprise)”及其其他形式例如第三人称单数形式“包括(comprises)”和现在分词形式“包括(comprising)”被解释为开放、包含的意思,即为“包含,但不限于”。在说明书的描述中,术语“一个实施例(one embodiment)”、“一些实施例(some embodiments)”、“示例性实施例(exemplary embodiments)”、“示例(example)”、“特定示例(specific example)”或“一些示例(some examples)”等旨在表明与该实施例或示例相关的特定特征、结构、材料或特性包括在本公开的至少一个实施例或示例中。上述术语的示意性表示不一定是指同一实施例或示例。此外,所述的特定特征、结构、材料或特点可以以任何适当方式包括在任何一个或多个实施例或示例中。
以下,术语“第一”、“第二”仅用于描述目的,而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此,限定有“第一”、“第二”的特征可以 明示或者隐含地包括一个或者更多个该特征。在本公开实施例的描述中,除非另有说明,“多个”的含义是两个或两个以上。
在描述一些实施例时,可能使用了“耦接”和“连接”及其衍伸的表达。例如,描述一些实施例时可能使用了术语“连接”以表明两个或两个以上部件彼此间有直接物理接触或电接触。又如,描述一些实施例时可能使用了术语“耦接”以表明两个或两个以上部件有直接物理接触或电接触。然而,术语“耦接”或“通信耦合(communicatively coupled)”也可能指两个或两个以上部件彼此间并无直接接触,但仍彼此协作或相互作用。这里所公开的实施例并不必然限制于本文内容。
“A、B和C中的至少一个”与“A、B或C中的至少一个”具有相同含义,均包括以下A、B和C的组合:仅A,仅B,仅C,A和B的组合,A和C的组合,B和C的组合,及A、B和C的组合。
“A和/或B”,包括以下三种组合:仅A,仅B,及A和B的组合。
本文中“适用于”或“被配置为”的使用意味着开放和包容性的语言,其不排除适用于或被配置为执行额外任务或步骤的设备。
如本文所使用的那样,“约”、“大致”或“近似”包括所阐述的值以及处于特定值的可接受偏差范围内的平均值,其中所述可接受偏差范围如由本领域普通技术人员考虑到正在讨论的测量以及与特定量的测量相关的误差(即,测量系统的局限性)所确定。
如本文所使用的那样,“平行”、“垂直”、“相等”包括所阐述的情况以及与所阐述的情况相近似的情况,该相近似的情况的范围处于可接受偏差范围内,其中所述可接受偏差范围如由本领域普通技术人员考虑到正在讨论的测量以及与特定量的测量相关的误差(即,测量系统的局限性)所确定。例如,“平行”包括绝对平行和近似平行,其中近似平行的可接受偏差范围例如可以是5°以内偏差;“垂直”包括绝对垂直和近似垂直,其中近似垂直的可接受偏差范围例如也可以是5°以内偏差。“相等”包括绝对相等和近似相等,其中近似相等的可接受偏差范围内例如可以是相等的两者之间的差值小于或等于其中任一者的5%。
为便于描述,如无特殊说明,本公开对于上、下、左、右、前、后的方位表述均以冰箱使用时的状态为参考。冰箱使用时面向用户的一侧为前侧,与之相反的一侧为后侧。冰箱的高度方向为上、下方向。冰箱的左右方向与用户的左右方向相反,例如冰箱的左侧为用户的右侧、冰箱的右侧为用户的左侧。
本公开一些实施例提供一种冰箱1,参见图1和图2,冰箱1包括箱体10、门体20和铰链组件30。
箱体10大致呈矩形箱状,其内限定有储藏室。所述储藏室的一侧(如前侧)敞开,且被配置为储藏食物。所述储藏室可被分隔成冷藏室和冷冻室。所述冷藏室可以将其内部空气的温度保持在约0℃至5℃之间,并以冷藏模式储藏食物。所述冷冻室可以将其内部空气的温度保持在约-30℃至0℃之间,并以冷冻模式储藏食物。此外,箱体10还可以包括其他腔室,例如,真空室、恒温室等。
门体20通过铰链组件30连接在箱体10的一端(如前端)。门体20可以旋转,从而打开或关闭所述储藏室。当门体20打开时,所述储藏室敞开的前侧可允许食物被放入或取出。
参见图1,铰链组件30例如为第一铰链组件31或第二铰链组件32。第一铰链组件31设置在箱体10的上部,且分别与箱体10和门体20固定连接;第二铰链组件32设置在箱体10的下部,且分别与箱体10和门体20固定连接。第一铰链组件31与第二铰链组件32沿同一轴线设置,以使门体20可以绕该轴线旋转,实现门体20的开合。
通常情况下,铰链组件30位于门体20的左侧或右侧,参见图1和图2,门体20包括左侧壁、右侧壁、上侧壁、下侧壁和前侧壁。为描述方便,将门体20的左侧壁和右侧壁中更靠近铰链组件30的一侧壁称为侧壁21。例如,在图1和图2中,铰链组件30设置在门体20的左端(即,用户的右端),则门体20的左侧壁被称为侧壁21,门体20的右端以其左端为旋转中心进行旋转运动。门体20的前侧壁被称为前壁22,门体20的前壁22和 侧壁21交汇形成侧棱23。
类似地,当铰链组件30设置在门体20的右端时,门体20的右侧壁被称为侧壁21,门体20的左端以其右端为旋转中心进行旋转运动。
箱体10包括左侧壁、右侧壁、上侧壁、下侧壁和后侧壁。在一些实施例中,将箱体10的左右两侧壁中靠近铰链组件30的一侧壁所在的平面定义为参考平面W。以参考平面W为分界面,箱体10所在的一侧被定义为内侧,与之相对的另一侧被定义为外侧。在图1和图2中,铰链组件30设置在箱体10的左端,则箱体10的左侧壁被定义为参考平面W,所述内侧为参考平面W的右侧。
可以理解的是,当铰链组件30设置在箱体10的右端时,箱体10的右侧壁被定义为参考平面W,所述内侧为参考平面W的左侧。
参见图2,将冰箱1嵌入橱柜100中时,考虑到地面不平或橱柜变型等因素,需要在冰箱1的外侧壁(对应参考平面W所在位置)与橱柜100的内侧壁之间预留间隙A1,间隙A1的宽度小于或等于5mm,例如,间隙A1的宽度可以为4mm、4.5mm或5mm。
可以理解的是,为了保证门体20正常打开,门体20在旋转的过程中,其侧棱23超出参考平面W的距离(即,随着门体20的旋转,当侧棱23从参考平面W运动到所述外侧时,侧棱23与参考平面W之间的距离)不宜太大,例如,该距离不大于5mm。否则,侧棱23会与橱柜100碰撞,导致门体20无法完全打开,进而导致门体20或橱柜100损坏。
为此,铰链组件30采用双轴铰链的形式,使门体20旋转时其侧棱23向所述内侧移动,从而避免侧棱23会与橱柜100碰撞。
在一些实施例中,参见图3和图4,第一铰链组件31包括第一铰链板310、第一双轴组件320和第一安装块330。第一铰链板310包括第一连接部311和与第一连接部311相连的第一延伸部312,第一连接部311与第一延伸部312共面。第一双轴组件320包括第一轴321和第二轴322。第一安装块330包括第一板体331、第一凸出部332、第一槽333和第二槽334。第一板体331向下延伸以形成第一凸出部332,且第一凸出部332内限定出第一槽333和第二槽334。
门体20包括第一容纳槽24,第一容纳槽24位于门体20的上侧壁中。第一安装块330嵌设在第一容纳槽24中。第一板体331平行于门体20的上侧壁。第一板体331具有多个通孔3311,门体20具有多个螺纹孔25,多个螺纹孔25位于门体20的上侧壁中且与多个通孔3311一一对应,通过紧固件如螺钉可以将第一板体331与门体20固定连接。
第一双轴组件320的第一轴321和第二轴322均设置在第一延伸部312上,且从第一延伸部312的下表面向下延伸。第一轴321与第一槽333相配合,第二轴322与第二槽334相配合。
第一连接部311连接在箱体10的上侧壁上。第一连接部311具有多个通孔3111,箱体10具有多个螺纹孔,多个螺纹孔位于箱体10的上侧壁中且与多个通孔3111一一对应,通过紧固件如螺钉可以将第一连接部311与箱体10固定连接。
这样,箱体10和门体20通过第一铰链组件31连接,门体20可通过第一铰链组件31相对于箱体10旋转。
在一些实施例中,第一轴321的直径大于第二轴322的直径。可以理解的是,第一轴321为主轴,主要起定位作用,第二轴322为辅轴,主要起导向作用。门体20在旋转时会对第一轴321和第二轴322施加作用力,且该作用力主要集中在主轴上。因此,第一轴321的直径大于第二轴322的直径时,可以提高第一轴321的强度。
第一轴321和第二轴322呈圆柱状或圆台状。当第一轴321和第二轴322呈圆台状时,第一轴321的自由端的直径小于其固定端的直径,且第二轴322的自由端的直径小于其固定端的直径。相应地,第一槽333和第二槽334均呈扩口状。这样,便于将第一轴321和第二轴322分别安装在第一槽333和第二槽334中,有利于提高第一轴321和第一槽333、以及第二轴322和第二槽334配合的紧密程度。
当第一轴321和第二轴322呈圆台状时,第一轴321的母线与其轴线的夹角在0°至5°之间(例如,该夹角可以为0°、1°、2°、3°或5°),且第二轴322的母线与其轴线的夹角 在0°至5°之间(例如,该夹角可以为0°、1°、2°、3°或5°)。在一些实施例中,第一连接部311与第一延伸部312一体成型,且第一铰链板310、第一轴321和第二轴322一体成型。或者,第一铰链板310、第一轴321和第二轴322均可以为独立件,且第一轴321和第二轴322可以通过焊接或螺纹连接的方式与第一铰链板310固定连接。但并不局限于将第一轴321和第二轴322设置在第一铰链板310上。
例如,第一轴321和第二轴322设置在第一安装块330上,第一槽333和第二槽334设置在第一铰链板310中;或者,将一个轴或一个槽设置在第一铰链板310上,将另一个轴或另一个槽设置在第一安装块330上。为了便于叙述,以下主要以第一轴321和第二轴322设置在第一铰链板310上,第一槽333和第二槽334设置在第一安装块330上为例进行介绍,然而,这并不能理解为对本公开的限制。在一些实施例中,可以省略第一安装块330。在此情况下,当第一轴321和第二轴322设置在第一铰链板310上时,第一槽333和第二槽334设置在门体20上。
在一些实施例中,第一安装块330由聚甲醛(Polyformaldehyde,POM)制成。POM具有耐摩擦性强的特性,从而可以延长第一安装块330的使用寿命。
在一些实施例中,参见图5和图6,第二铰链组件32包括第二铰链板340、第二双轴组件350和第二安装块360。第二铰链板340包括第二连接部341和与第二连接部341相连的第二延伸部342。第二双轴组件350包括第三轴351和第四轴352。第二安装块360包括第二板体361、第二凸出部362、第三槽363和第四槽364。第二板体361向上延伸以形成第二凸出部362,且第二凸出部362内限定出第三槽363和第四槽364。
门体20包括第二容纳槽26,第二容纳槽26位于门体20的下侧壁中。第二安装块360嵌设在第二容纳槽26中。第二板体361平行于门体20的下侧壁。第二板体361具有多个通孔3611,门体20具有多个螺纹孔,多个螺纹孔位于门体20的下侧壁中且与多个通孔3611一一对应,通过紧固件如螺钉可以将第二板体361与门体20固定连接。
第二连接部341连接在箱体10下端的靠近门体的一侧。第二延伸部342沿第二连接部341朝向远离箱体10的方向延伸。第二连接部341具有多个通孔3411,箱体10具有多个螺纹孔,多个螺纹孔位于箱体10的下侧壁中且与多个通孔3411一一对应,通过紧固件如螺钉可以将第二连接部341与箱体10固定连接。
第二双轴组件350的第三轴351和第四轴352均设置在第二延伸部342上,且从第二延伸部342的上表面向上延伸。第三轴351与第三槽363相配合,第四轴352与第四槽364相配合。这样,箱体10和门体20通过第二铰链组件32连接,门体20可通过第二铰链组件32相对于箱体10旋转。
在一些实施例中,第三轴351的直径大于第四轴352的直径。可以理解的是,第三轴351为主轴,主要起定位作用,第四轴352为辅轴,主要起导向作用。门体20在旋转时会对第三轴351和第四轴352施加作用力,且该作用力主要集中在主轴上。因此,第三轴351的直径大于第四轴352的直径时,可以提高第三轴351的强度。
第三轴351和第四轴352呈圆柱状或圆台状。当第三轴351和第四轴352呈圆台状时,第三轴351的自由端的直径小于其固定端的直径,且第四轴352的自由端的直径小于其固定端的直径。相应地,第三槽363和第四槽364均呈扩口状。这样,便于将第三轴351和第四轴352分别安装在第三槽363和第四槽364中,有利于提高第三轴351和第三槽363、以及第四轴352和第四槽364配合的紧密程度。
当第三轴351和第四轴352呈圆台状时,第三轴351的母线与其轴线的夹角在0°至5°之间(例如,该夹角可以为0°、1°、2°、3°或5°),且第四轴352的母线与其轴线的夹角在0°至5°之间(例如,该夹角可以为0°、1°、2°、3°或5°)。
在一些实施例中,第二连接部341与第二延伸部342一体成型,且第二铰链板340、第三轴351和第四轴352一体成型。或者,第二铰链板340、第三轴351和第四轴352均可以为独立件,且第三轴351和第四轴352可以通过焊接或螺纹连接的方式与第二铰链板340固定连接。但并不局限于将第三轴351和第四轴352设置在第二铰链板340上。
例如,第三轴351和第四轴352设置在第二安装块360上,第三槽363和第四槽364 设置在第二铰链板340中;或者,将一个轴或一个槽设置在第二铰链板340上,将另一个轴或另一个槽设置在第二安装块360上。为了便于叙述,以下主要以第三轴351和第四轴352设置在第二铰链板340上,第三槽363和第四槽364设置在第二安装块360上为例进行介绍,然而,这并不能理解为对本公开的限制。在一些实施例中,可以省略第二安装块360。在此情况下,当第三轴351和第四轴352设置在第二铰链板340上时,第三槽363和第四槽364设置在门体20上。
在一些实施例中,第二安装块360由聚甲醛(Polyformaldehyde,POM)制成。POM具有耐摩擦性强的特性,从而可以延长第二安装块360的使用寿命。
在一些实施例中,参见图5和图6,第二安装块360还包括设于第二板体361一侧(左侧或右侧)的锁钩365。锁钩365的自由端朝向远离第二板体361的方向延伸并向靠近第二板体361的方向弯折,从而形成朝向第二板体361的开口3651,且锁钩365的所述自由端相较于其固定端更靠近箱体10。
在一些实施例中,如图6所示,第二铰链板340还包括设于第二延伸部342一侧(左侧或右侧)的止挡部343。止挡部343从第二延伸部342的一侧朝向远离第二延伸部342的方向延伸。
需要说明的是,止挡部343与开口3651的位置相对应,即,当锁钩365设置在第二板体361的左侧时,止挡部343设置在第二延伸部342的左侧,反之,当锁钩365设置在第二板体361的右侧时,止挡部343设置在第二延伸部342的右侧。
这样,参见图5,当门体20处于关闭状态时,止挡部343位于开口3651中,且锁钩365的自由端与止挡部343的靠近箱体10的一侧抵接,从而可以提高门体20与箱体10之间贴合的紧密程度,防止因门体20关闭不严而影响冰箱的冷藏冷冻效果。当门体20被打开时,锁钩365会受力发生形变而克服止挡部343的阻挡,从而使锁钩365与止挡部343脱离配合。
需要说明的是,锁钩365可以设置在第一安装块330和第二安装块360中的至少一者上,止挡部343对应于锁钩365设置在第一铰链板310和第二铰链板340中的至少一者上。
可以理解的是,为保证门体20在打开状态下,其侧棱23超出参考平面W并运动至所述外侧的距离不大于5mm,需要在门体20旋转的过程中,使其侧棱23向参考平面W的所述内侧移动,以满足将冰箱1嵌入橱柜100进行使用的需求。
下面主要以设置在箱体10上部的第一铰链组件31为例,门体20相对于箱体10打开或关闭的过程进行介绍。可以理解的是,第二铰链组件32与第一铰链组件31的工作原理相同,本公开对此不再赘述。
在一些实施例中,参见图3,第一轴321与第一槽333相配合,第二轴322与第二槽334相配合。在门体20旋转打开或者关闭的过程中,第一轴321相对第一槽333可运动,第二轴322相对第二槽334可运动。
在第一铰链板310与箱体10固定连接、且第一轴321和第二轴322与第一铰链板310固定连接后,在门体20相对于箱体10旋转的过程中,箱体10保持静止,因此第一铰链板310、第一轴321和第二轴322也保持静止。此时,第一槽333将相对于第一轴321运动,第二槽334将相对于第二轴322运动。但可以理解的是,第一槽333与第一轴321之间,以及第二槽334与第二轴322之间是相对运动关系,为便于描述,本公开的一些实施例有时以第一槽333和第二槽334为静止参照物,第一轴321在第一槽333内运动,且第二轴322在第二槽334内运动的方式进行描述。然而,这并不能理解为对本公开的限制。
图7示出了第一轴321和第二轴322的相对位置。当门体20处于关闭状态时,门体20与箱体10之间具有间隙A2,间隙A2的宽度在9mm至12mm之间,例如,间隙A2的宽度可以为9mm、10mm或12mm。
冰箱1还包括门封40,门封40设置在门体20的靠近箱体10的一侧。当门体20处于关闭状态时,门封40位于门体20与箱体10之间,且被配置为填充间隙A2,并密封所述储藏室。
第一轴321较第二轴322更远离前壁22、且更靠近侧壁21。门体20的厚度D1在44mm至53mm之间,例如,门体20的厚度D1为46mm、48mm或52mm。第一轴321和第二轴322的外径均小于门体20的厚度D1。
可以理解是,第一轴321和第二轴322的位置和尺寸参数可在一定范围内进行调整。
在一些实施例中,参见图8,第一槽333包括定位直线槽和定位曲线槽,所述定位直线槽向靠近侧壁21的方向延伸。所述定位直线槽包括第一槽333从第一定位位置501到第三定位位置503之间的部分,后文将对此进行详细介绍。所述定位曲线槽连通所述定位直线槽的靠近侧壁21的一端,并向靠近前壁22且靠近侧壁21的方向延伸。所述定位曲线槽包括第一槽333从第三定位位置503到第五定位位置505之间的部分,后文将对此进行详细介绍。第一槽333的定位直线槽的中心线大致为一条直线,第一槽333的定位曲线槽的中心线大致为一条弧线,所述定位直线槽的中心线与所述定位曲线槽的中心线相切。
在一些实施例中,参见图8,第二槽334为曲线槽,大体上向远离前壁22且靠近侧壁21方向延伸。第二槽334包括前导向曲线槽(包括第二槽334从第一导向位置601到第五导向位置605之间的部分)和后导向曲线槽(包括第二槽334从第五导向位置605到第六导向位置606之间的部分),该后导向曲线槽位于该前导向曲线槽的末端。该前导向曲线槽向远离门体20的前侧壁的方向凸出,该后导向曲线槽向靠近门体20的前侧壁的方向凸出。在此情况下,侧棱23位于所述前导向曲线槽的凹侧,且位于所述后导向曲线槽的凸侧。
需要说明的是,在一些实施例中,第一槽333的定位曲线槽也可以是直线槽,此时,所述定位曲线槽的中心线大致为一条直线;第二槽334的部分或全部部段(segment)也可以是直线槽,本公开对此不作限定。
以下,将结合门体20的开启过程对第一铰链组件31的工作原理进行介绍。
需要说明的是,为了满足用户将冰箱1嵌入橱柜100中进行使用的需求,门体20的最大开启角度约为105°。门体20从关闭状态(即,开启角度为0°)旋转至打开状态(即,开启角度约为105°)的过程,包括第一阶段至第四阶段。
【第一阶段】
参见图8和图9,第一槽333包括第一定位位置501和第二定位位置502,第二定位位置502较第一定位位置501更靠近侧壁21,且第一定位位置501的中心与第二定位位置502的中心的连线在门体20处于关闭状态时平行于门体20的前侧壁(当门体20的前侧壁为平板状而非曲面板状时)。
门体20由关闭状态开启至第一角度时,第一轴321从第一定位位置501移动到第二定位位置502,即,第一轴321向靠近侧壁21的方向移动。
参见图8和图9,第二槽334包括第一导向位置601和第二导向位置602,第二导向位置602较第一导向位置601更远离前壁22且更靠近侧壁21。
门体20由关闭状态开启至第一角度时,第二轴322从第一导向位置601移动到第二导向位置602,在第二槽334的导向下,使得第一轴321从第一定位位置501移动到第二定位位置502。
也就是说,第二轴322从第一导向位置601向远离前壁22、且靠近侧壁21的方向移动到第二导向位置602的同时,第一轴321从第一定位位置501向靠近侧壁21的方向移动到第二定位位置502。
如前所述,由于第一轴321保持静止,因此当第一轴321沿第一槽333向靠近侧壁21的方向移动时,其实是第一槽333相对于第一轴321向参考平面W的所述内侧运动,使得门体20在旋转的同时向所述内侧移动了第一距离。
可以理解的是,门体20向所述内侧移动时,侧棱23相对于参考平面W也向所述内侧移动,使侧棱23超出参考平面W的距离D2小于间隙A1的宽度,从而可以防止侧棱23与橱柜100发生碰撞。
在一些实施例中,所述第一角度在5°至8°之间。例如,所述第一角度为5°、7°或8°。
本公开一些实施例提供的冰箱1采用双轴铰链(第一铰链组件21即为所述双轴铰链) 后,在门体20被打开至第一角度时,门体20的运动轨迹可以被分解为:在第一轴321和第一槽333的定位下向所述内侧移动,以及在第二轴322和第二槽334的导向下做旋转运动。
在一些实施例中,通过改变第一槽333和第二槽334的形状和延伸方向,可以在门体20开启第一角度时,将侧棱23移动到参考平面W的所述内侧。
在一些实施例中,第一轴321和第二轴322的相对位置还可以设置为其他形式。例如,第二轴322可以更靠近或更远离第一轴321,当第一轴321和第二轴322的相对位置改变时,第一槽333和第二槽334的形状、位置和延伸方向可以做适应性设置,在此不再赘述。
在一些实施例中,第一导向位置601位于第二槽334的首端。
第一轴321在第一定位位置501和第二定位位置502之间的运动轨迹线为第一定位直线段51,当门体20处于关闭状态时,第一定位直线段51平行于门体20的前侧壁。
第二轴322在第一导向位置601和第二导向位置602之间的运动轨迹线为第一导向曲线段61。第一导向曲线段61为向远离前壁22且靠近侧壁21方向延伸的样条曲线。
需要说明的是,所述运动轨迹线是以轴(第一轴321或第二轴322)在其对应的槽(第一槽333或第二槽334)中运动时,所述轴的轴线在所述槽的槽底上的正投影形成的轨迹线。
可以理解的是,若第一定位直线段51和第一导向曲线段61接近平行,则门体20在被打开时容易出现晃动,因此,在第一阶段中,通过将第一定位直线段51与第一导向曲线段61设置为:第一定位直线段51与第一导向曲线段61上任一点的切线的夹角大于等于45°(例如45°、48°、50°、60°、75°等),从而可以提高门体20在旋转过程中的稳定性,使门体20不易晃动。
【第二阶段】
如图8和图10所示,第一槽333还包括第三定位位置503,第三定位位置503较第二定位位置502更靠近侧壁21,且第三定位位置503的中心和第二定位位置502的中心之间的连线平行于前壁22。第二槽334还包括第三导向位置603,第三导向位置603较第二导向位置602更靠近侧壁21且更远离前壁22。
在门体20由第一角度继续开启至第二角度的过程中,第二轴322从第二导向位置602沿靠近侧壁21且远离前壁22的方向移动至第三导向位置603的同时,第一轴321从第二定位位置502向靠近侧壁21的方向移动至第三定位位置503,从而使得门体20在旋转的同时继续向所述内侧移动第二距离。
在一些实施例中,所述第二角度在30°至40°之间,例如,所述第二角度可以为30°、35°或40°。所述第二角度是相对于门体20的关闭状态的开启角度。
与第一阶段类似,当门体20向所述内侧移动时,侧棱23相对参考平面W也向所述内侧移动。因此,在第二阶段中,随着门体20旋转至所述第二角度,侧棱23超出参考平面W并运动至所述外侧的距离D3仍然小于间隙A1的宽度,从而可以防止侧棱23与橱柜100发生碰撞。
在一些实施例中,第一轴321在第二定位位置502和第三定位位置503之间的运动轨迹线为第二定位直线段52,第二轴322在第二导向位置602和第三导向位置603之间的运动轨迹线为第二导向曲线段62。
也就是说,当门体20由第一角度继续开启至第二角度时,第一轴321沿第二定位直线段52向靠近侧壁21的方向运动,同时第二轴322沿第二导向曲线段62向靠近侧壁21且远离前壁22的方向运动,使得门体20在旋转的同时向所述内侧移动第二距离。第二定位直线段52与第二导向曲线段62上任一点的切线的夹角大于等于45°(例如45°、48°、50°、60°、75°等),从而可以提高门体20在旋转过程中的稳定性,使门体20不易晃动。
在一些实施例中,第一导向曲线段61和第二导向曲线段62的连接处具有趋势变化点,且位于所述趋势变化点之前的第一导向曲线段61的斜率大于位于所述趋势变化点之后的第二导向曲线段62的斜率,参见图10,第一导向曲线段61在所述趋势变化点处的切线为B,第二导向曲线段62位于切线B的靠近侧棱23的一侧。使得门体20在第一阶段中每开 启单位角度向所述内侧移动的距离,小于门体20在第二阶段中每开启单位角度向所述内侧移动的距离。
例如,门体20在第一阶段中每开启单位角度向所述内侧移动的距离为第一边际距离(marginal distance)D01,门体20在第二阶段中每开启单位角度向所述内侧移动的距离为第二边际距离D02,且第一边际距离D01小于第二边际距离D02。也就是说,门体20在第一阶段中向所述内侧移动的距离可以较小,从而可以防止门体20在刚开启时(例如,门体20被开启第一个单位角度时),因门体20向所述内侧移动较大距离而造成门封40与箱体10发生横向摩擦(即,摩擦力的方向大致垂直于参考平面W)。
【第三阶段】
如图8和图11所示,第一槽333还包括第四定位位置504,第四定位位置504较第三定位位置503更靠近侧壁21和前壁22。第二槽334还包括第四导向位置604,第四导向位置604较第三导向位置603更靠近侧壁21且更远离前壁22。
在门体20由第二角度继续开启至第三角度的过程中,第二轴322从第三导向位置603向靠近侧壁21且远离前壁22的方向移动到第四导向位置604的同时,第一轴321从第三定位位置503向靠近侧壁21和前壁22的方向移动到第四定位位置504,从而使得门体20在旋转的同时继续向所述内侧移动第三距离。
在一些实施例中,所述第三角度为90°。所述第三角度是相对于门体20的关闭状态的开启角度。
当门体20被开启至90°时,门体20位于参考平面W的所述内侧,且与参考平面W之间具有间隙A3(参照图11)。间隙A3的宽度可以在2mm至4mm之间。例如,间隙A3的宽度为2mm,3mm或4mm。
可以理解的是,由于在旋转至第三角度时门体20已位于参考平面W的所述内侧,此时,侧棱23也位于参考平面W的所述内侧,因此,在第三阶段中,可以避免侧棱23与橱柜100发生碰撞。
在一些实施例中,如图11所示,第一轴321在第三定位位置503和第四定位位置504之间的运动轨迹线为第三定位曲线段53,第二轴322在第三导向位置603和第四导向位置604之间的运动轨迹线为第三导向曲线段63,且第三定位曲线段53上的任一点的切线与第三导向曲线段63上与第三定位曲线段53上的任一点对应的点的切线的夹角大于等于45°(例如45°、48°、50°、60°、75°等),从而可以提高门体20在旋转过程中的稳定性,使门体20不易晃动。
可以理解的是,在第三阶段中,当第一轴321运动时,第二轴322对应第一轴321同时运动,因此,当选取第三定位曲线段53中的任一点时,第三导向曲线段63都有一个唯一的点与所述任一点对应。
在一些实施例中,第三定位位置503和第四定位位置504之间的所述运动轨迹线还可以具有直线段,或者第三导向位置603和第四导向位置604之间的所述运动轨迹线还可以具有直线段。
综上所述,从第一阶段至第三阶段,门体20由关闭状态到被开启至90°的过程中,始终在向所述内侧移动,且当门体20旋转至90°时,门体20已位于参考平面W的所述内侧,从而门体20可继续开启至更大的角度(例如,大于90°),便于用户取放食物。
【第四阶段】
如图8和图12所示,第一槽333还包括第五定位位置505,第五定位位置505较第四定位位置504更靠近侧壁21和前壁22。第二槽334还包括第五导向位置605,第五导向位置605较第四导向位置604更靠近侧壁21且更远离前壁22。
在第四阶段中,门体20继续从第三角度开启至第四角度(约105°),第二轴322从第四导向位置604沿靠近侧壁21且远离前壁22的方向移动到第五导向位置605的同时,第一轴321从第四定位位置504向靠近侧壁21和前壁22的方向移动到第五定位位置505,从而门体20可以继续打开至大于90°,且不会与橱柜100发生碰撞,从而可以满足用户将冰箱1嵌入橱柜100中使用的需求。所述第四角度是相对于门体20的关闭状态的开启角 度。
在一些实施例中,如果冰箱1与橱柜100的间隙A1足够大,则冰箱1在嵌入橱柜100中使用时,门体20还可以被打开至更大的角度(例如,120°),在此情况下,门体20被打开的过程还包括第五阶段(在第四阶段之后)。
【第五阶段】
图13中的箭头示出了第一轴321和第二轴322在第五阶段中分别相对第一槽333和第二槽334的移动方向。参见图8、图13和图14,第一槽333还包括第六定位位置506,第六定位位置506位于第五定位位置505和第三定位位置503之间。第二槽334还包括第六导向位置606,且第六导向位置606较第五导向位置605更远离前壁22且更靠近侧壁21。
在一些实施例中,第六导向位置606位于第二槽334的末端。如图14所示,第一轴321在第五定位位置505和第六定位位置506之间的运动轨迹线为第四定位曲线段54(即定位曲线段),第四定位曲线段54为第三定位曲线段53的一部分。第二轴322在第五导向位置605和第六导向位置606之间的运动轨迹线为第四导向曲线段64(即所述后导向曲线槽)。在第二轴322从第五导向位置605移动到第六导向位置606的过程中,第四导向曲线段64到前壁22的距离逐渐增大,使得第二槽334的靠近其末端的部分(即所述后导向曲线槽)向远离前壁22的方向弯曲,侧棱23位于第四导向曲线段64的凸侧。
这样,在门体20由第四角度继续开启至第五角度(即最大角度,约120°)的过程中,第二轴322从第五导向位置605沿靠近侧壁21且远离前壁22的方向移动到第六导向位置606的同时,第一轴321可以从第五定位位置505沿与其在第四阶段中运动方向相反的方向移动到第六定位位置506,即第一轴321在第一槽333中回撤。所述第五角度是相对于门体20的关闭状态的开启角度。
可以理解的是,参见图14,由于在第五阶段中第一轴321发生回撤运动,所以可以将第五定位位置505设置在第一槽333的末端。当门体20被开启至105°时,门体20的侧棱23已位于参考平面W的内侧。当门体20继续被打开至更大角度时(大于105°),门体20在第二轴322和第二槽334的导向下旋转,并在第一轴321和第一槽333的定位下向远离前壁22和侧壁21的方向移动,这样,门体20在继续向所述内侧移动时,不会占据所述储藏室前侧的空间,便于储藏室内的抽屉抽出。
在一些实施例中,第五定位位置505和第六定位位置506之间的运动轨迹线也可以具有直线段,或者,第五导向位置605和第六导向位置606之间的运动轨迹线也可以具有直线段。
在一些实施例中,第四定位曲线段54上任一点的切线与第四导向曲线段64上与第四定位曲线段54的任一点对应的点的切线的夹角大于等于45°(例如45°、48°、50°、60°、75°等),从而可以提高门体20在旋转过程中的稳定性,使门体20不易晃动。
可以理解的是,在第五阶段中,当第一轴321运动时,第二轴322对应第一轴321同时运动,因此,当选取第四定位曲线段54中的任一点时,第四导向曲线段64都有一个唯一的点与所述任一点对应。
下面将结合门体20开启过程中的第一阶段至第五阶段以及附图对第二槽334的轨迹曲线(即中心线)进行介绍。
参见图8和图9,在第一阶段中,门体20从关闭状态开启至约10°,第二槽334的轨迹曲线的曲率较大,从而使得门体20可以向所述内侧移动,以使侧棱23超出参考平面W并运动至所述外侧的距离D2小于间隙A1的宽度。
在第二阶段中,门体20从约10°开启至约40°,门体20的侧棱23移动至所述外侧中其可以超出参考平面W的距离的最大值处(危险点)。为避免与橱柜100发生碰撞,门体20需要继续向所述内侧移动。但由于门体20在上一阶段中已经发生内移,减轻了此阶段的内移压力,因此,第二槽334的轨迹曲线的曲率较上一阶段减小。
在第三阶段中,门体20从约40°开启至约90°,门体20的侧棱21已渡过所述危险点,且第一槽333的轨迹曲线和第二槽334的轨迹曲线上任意相对应的两个点处的切线之间的 夹角均大于等于45°,门体20在旋转过程中的稳定性较高,不易发生晃动,因此,第二槽334在第三阶段的轨迹曲线的曲率小于第二阶段的轨迹曲线的曲率。
在第四阶段中,门体20从约90°开启至约105°,第二槽334的轨迹曲线的曲率较第三阶段增加,从而可以避免第一槽333的轨迹曲线和第二槽334的轨迹曲线上任意相对应的两个点处的切线之间的夹角均小于等于45°(例如30°、37°、40°、42°、45°等)。
在第五阶段中,门体20从约105°开启至120°,为增大第一槽333的轨迹曲线和第二槽334的轨迹曲线上任意相对应的两个点处的切线之间的夹角,第二槽334的轨迹曲线的弯曲方向发生变化(即,第二槽334的轨迹曲线的凸侧朝向侧棱23),但曲率较第四阶段减小。
在一些实施例中,门体20在打开的过程中,围绕变动点(X,Y)转动,且该变动点(X,Y)的轨迹为:X=(X1+X2+X3+X4)/4,Y=(Y1+Y2+Y3+Y4)/4。
在上面的等式中,X代表所述变动点距侧壁21的距离;Y代表所述变动点距前壁22的距离;X1代表门体20处于关闭状态时,第一轴321在第一槽333中的正投影的中心点距侧壁21的距离;X2代表门体20处于关闭状态时,第二轴322在第二槽334中的正投影的中心点距侧壁21的距离;X3代表门体20在打开过程中,第一轴321在第一槽333中的正投影的中心点距侧壁21的距离;X4代表门体20在打开过程中,第二轴322在第二槽334中的正投影的中心点距离侧壁21的距离;Y1代表门体处于关闭状态时,第一轴321在第一槽333中的正投影的中心点距前壁22的距离;Y2代表门体20处于关闭状态时,第二轴322在第二槽334中的正投影的中心点距前壁22的距离;Y3代表门体在打开过程中,第一轴321在第一槽333中的正投影的中心点距前壁22的距离;Y4代表门体在打开过程中,第二轴322在第二槽334中的正投影的中心点距前壁22的距离。
以下将结合附图对门体20打开过程中,所述变动点的轨迹进行求解。
参见图15,以第一槽333的所述后定位曲线槽为圆弧形槽为例,设定第一轴321在第一槽333中的正投影的中心点为O,第二轴322在第二槽334中的正投影的中心点为Q;门体20处于关闭状态时,点O距侧壁21的距离为a,点O距前壁22的距离为b,点O与点Q之间距离为L,OQ的连线和水平方向夹角为m;第一槽333的定位直线段(包括第一定位直线段51和第二定位直线段52)的长度为K,第二槽334的圆弧段(包括第三定位曲线段53和第四定位曲线段54)的半径为R,所述直线段与所述圆弧段相切于点P,当第一轴321运动到点P时,门体20的旋转角度为角度s,第一轴321在门体20旋转到角度t时在第一槽333内回撤。
基于上述设定,当门体20处于闭合状态时,点O的位置为(a,b),点Q的位置为(a+L×cosm,b–L×sinm)。
参见图16,①当门体20的旋转角度为n,且0≤n≤s,点O的移动距离为k(0<k≤K)时,对应门体20运动的第一阶段、第二阶段和第三阶段。门体20旋转前后O点和Q点的位置如下。
旋转前O点的位置:X1=a,Y1=b;
旋转前Q点的位置:X2=a+L×cosm,Y2=b–L×sinm;
旋转后O点的位置:X3=a+k×cosn,Y3=b–k×sinn;
旋转后Q点的位置:X4=a+k×cosn+L×cos(n+m),Y4=b–k×sinn-sin(n+m)。
变动点(X,Y)的轨迹为:X=(X1+X2+X3+X4)/4,Y=(Y1+Y2+Y3+Y4)/4。当门体20的旋转角度为n,且0≤n≤s时,门体20在打开的过程中围绕该变动点(X,Y)转动。在一些实施例中,s为90°。
参见图17,②当门体的旋转角度为n,且s≤n≤t时,对应门体20运动的第四阶段,可求点O旋转前后距离为2R×[sin(n-s)/2];门体20旋转前后O点和Q点的位置如下。
旋转后O点的位置:X3=a,Y3=b;
旋转后Q点的位置:X4=a+L×cosm;Y4=b–L×sinm;
旋转前O点的位置:X1=a+2R×[sin(n-s)/2]×[cos(3n-s)/2],
Y1=b-2R×[sin(n-s)/2]×[sin(3n-s)/2];
旋转前Q点的位置:X2=a+2R×[sin(n-s)/2]×[cos(3n-s)/2]+L×cos(n+m-s),Y2=b-2R×[sin(n-s)/2]×[sin(3n-s)/2]-L×sin(n+m-s)。变动点(X,Y)的轨迹为:X=(X1+X2+X3+X4)/4,Y=(Y1+Y2+Y3+Y4)/4。当门体20的旋转角度为n,且s≤n≤t时,门体20在打开的过程中围绕该变动点(X,Y)转动。在一些实施例中,s为90°,t为105°。
参照图18,③当门体的旋转角度为n,且n≥t时,对应门体20运动的第五阶段,可求点O旋转前后距离为2R×[sin(n-t)/2];门体20旋转前后O点和Q点的位置如下。
旋转前O点的位置:X1=a,Y1=b;
旋转前Q点的位置:X2=a+L×cosm;Y2=b–L×sinm;
旋转后O点的位置:X3=a-2R×[sin(n-t)/2]×[cos(180°-(3n-t)/2)],
Y3=b+2R×[sin(n-t)/2]×[sin(180-(3n-t)/2)];
旋转后Q点的位置:X4=a-2R×[sin(n-t)/2]×[cos(180°-(3n-t)/2)]+L×cos(m+n-t),
Y4=b+2R×[sin(n-t)/2]×[sin(180-(3n-t)/2)]-L×sin(m+n-t)。
变动点(X,Y)的轨迹为:X=(X1+X2+X3+X4)/4,Y=(Y1+Y2+Y3+Y4)/4。当门体20的旋转角度为n,且n≥t时,门体20在打开的过程中围绕该变动点(X,Y)转动。在一些实施例中,t为105°。
综上所述,当旋转角度为s时,k=K,所述变动点同时满足①和②,由此通过计算可得到s的值;当旋转角度为t时,所述变动点同时满足②和③,由此通过计算可得到t的值。在一些实施例中,计算出的s的值为90°,计算出的t的值为105°。
需要说明的是,在门体20从关闭状态(即,开启角度为0°)旋转至打开状态(即,开启角度约为105°)的过程中,第二铰链组件32的第三轴351在其第三槽363内的运动、以及第二铰链组件32的第四轴352在其第四槽364内的运动,分别与前述第一轴321在第一槽333内的运动、以及第二轴322在第二槽334内的运动类似,此处不再赘述。
此外,本公开并不限于上文所记载的具体示例。即,也可以对上文中的示例进行适当改变。下面将对代表性的变形例进行说明。在以下的变形例的说明中,仅对与上述示例不同的部分进行说明。另外,在上述示例和变形例中,对彼此相同或等同的部件标注相同的附图标记。因此,在以下对变形例的说明中,关于具有与上述示例相同的附图标记的构成要素,只要不存在技术上的矛盾或特别的追加说明,均可相应援引上述示例中的说明。
本公开的一些实施例提供了另一种冰箱1,参见图19,冰箱1包括第一铰链组件31’,第一铰链组件31’包括第一槽333’和第二槽334’。与图8中所示的第二槽334不同的是,第二槽334’的靠近其末端的部分向靠近前壁22的方向弯曲,第六导向位置606’相较于第五导向位置605’更靠近前壁22。即,侧棱23位于第二槽334’的后曲线导向槽的凹侧,从而使得在门体20打开的过程中,第一轴321在第一槽333’中不回撤(将在下文进行介绍)。
在此情况下,如图19所示,第六定位位置506’相较于第五定位位置505’更靠近侧壁21和前壁22,且第六定位位置506’位于第一槽333’的末端,第三定位位置503’和第六定位位置506’之间形成所述定位曲线槽。
图20至图24示出了采用变形例中的铰链时门体20从关闭状态开启至完全打开状态的过程中的五个阶段。在这些附图中,图20至图23分别示出了第一阶段至第四阶段,该第一阶段至第四阶段与前述的第一阶段至第四阶段(图9至图12所示)中的第一铰链组件的移动轨迹和工作原理类似,在此不再赘述,区别主要在于第五阶段。
【一变形例的第五阶段】
参见图19和图24,第一槽333’还包括第六定位位置506’。第六定位位置506’位于第一槽333’的末端,且第六定位位置506’较第五定位位置505’更靠近侧壁21且更靠近前壁22。第二槽334’还包括第六导向位置606’,第六导向位置606’较第五导向位置605’更靠近侧壁21且更靠近前壁22。
当门体20由第四角度继续开启至最大角度时,第一轴321从第五定位位置505’沿靠近侧壁21且靠近前壁22的方向移动到第六定位位置506’。第二轴322从第五导向位置605’沿靠近侧壁21且靠近前壁22的方向移动到第六导向位置606’。
第一轴321在第五定位位置505’和第六定位位置506’之间的运动轨迹线为第四定位曲 线段54’,第四定位曲线段54’接续第三定位曲线段53’向靠近侧壁21和前壁22的方向延伸;第二轴322在第五导向位置605’和第六导向位置606’之间的运动轨迹线为第四导向曲线段64’,第四导向曲线段64’向靠近侧壁21和前壁22的方向延伸,且第四定位曲线段54’任一点的切线与第四导向曲线段64’上的与第四定位曲线段54’的任一点对应的点的切线的夹角大于等于20°,从而可以提高门体20在旋转过程中的稳定性,使门体20不易晃动。
在一些实施例中,第五定位位置505’和第六定位位置506’之间的运动轨迹线也可以包括直线段,或者,第五导向位置605’和第六导向位置606’之间的运动轨迹线也可以包括直线段,本公开对此不作限定。
需要说明的是,在第五阶段中,为保证门体20开启的平稳性,第一轴321的运动幅度较小,且第四导向曲线段64’的曲率变化幅度较小。
综上所述,在门体20由关闭状态开启至最大角度状态(打开至约120°)的过程中,第一轴321从第一槽333’的首端运动到末端,第二轴322从第二槽334’的首端运动到末端,且第一轴321在第一槽333’中未发生回撤,从而使门体20的运动趋势更加恒定,有利于提高门体20打开过程中的流畅性。
本公开的一些实施例提供了又一种冰箱1,参见图25,冰箱1包括第一铰链组件31”,第一铰链组件31”包括第一槽333”和第四槽334”。第一槽333”包括前定位曲线槽、中定位直线槽和后定位曲线槽。所述前定位曲线槽的一端与所述中定位直线槽的一端连通,所述中定位直线槽的另一端与所述后定位曲线槽的一端连通。
采用第一铰链组件31”的门体20在刚开启的阶段(第一阶段和第二阶段)的运动与采用第一铰链组件31和31’的门体20在刚开启的阶段的运动不同。而之后的阶段(如图28至图30所示的第三阶段至第五阶段)中,采用第一铰链组件31”的门体20的运动与采用第一铰链组件31和31’的门体20的运动相同,本公开对此不再赘述。
【另一变形例的第一阶段】
参见图25和图26,第一槽333”包括第七定位位置507和第八定位位置508。第七定位位置507位于第一槽333”的首端。第八定位位置508较第七定位位置507更靠近侧壁21和更远离前壁22。
第二槽334”包括第七导向位置607和第八导向位置608。七导向位置607位于第二槽334”的首端,远离侧壁21且靠近前壁22。第八导向位置608较第七导向位置607更远离前壁22且更靠近侧壁21。
在本阶段,参见图26,门体20由关闭状态开启至第六角度,第二轴322从第七导向位置607移动到第八导向位置608的同时,第一轴321从第七定位位置507向靠近侧壁21且远离前壁22的方向移动到第八定位位置508,相应地,第一槽333”相对第一轴321向所述内侧方向移动。
这样,门体20在第二轴322和第二槽334”的导向下做旋转运动的同时,又在第一轴321和第一槽333”的定位下向所述内侧移动了一定距离。门体20向所述内侧移动时,可以带动侧棱23向所述内侧移动,使侧棱23超出参考平面W并移动至所述外侧的距离D4于间隙A1的宽度,从而可以避免侧棱23与橱柜100发生碰撞。此外,可以避免门封40因门体20向所述内侧移动时与箱体10发生摩擦。
第一轴321在第七定位位置507和第八定位位置508之间的运动轨迹线为第六定位曲线段56。第二轴322在第七导向位置607和第八导向位置608之间的运动轨迹线为第六导向曲线段66。第六定位曲线段56和第六导向曲线段66均为向远离前壁22且靠近侧壁21方向延伸的样条曲线。在一些实施例中,通过改变第一槽333”和第二槽334”的形状和延伸方向,可以在门体20开启第六角度时,将侧棱23移动到参考平面W的所述内侧。
【另一变形例的第二阶段】
参见图25和图27,第一槽333”还包括第三定位位置503”,第三定位位置503”较第八定位位置508更靠近侧壁21。第二槽334”还包括第三导向位置603”,第三导向位置603”较第八导向位置608更靠近侧壁21且更远离前壁22。
第一轴321在第八定位位置508和第三定位位置503”之间的运动轨迹线为第七定位 直线段57,且第七定位直线段57平行于前壁22。第二轴322在第八导向位置608和第三导向位置603”之间的运动轨迹线为第七导向曲线段67。
在本阶段,门体20由第六角度继续开启至第七角度,第二轴322从第八导向位置608沿靠近侧壁21且远离前壁22的方向移动到第三导向位置603”的同时,第一轴321从第八定位位置508向靠近侧壁21的方向移动到第三定位位置503”,以使得门体20在第二轴322与第二槽334”的导向下旋转的同时,又在第一轴321与第一槽333”的定位下向所述内侧移动,从而带动侧棱23继续向所述内侧移动,使侧棱23超出参考平面W并移动至所述外侧的距离D5于间隙A1的宽度,这样,可以避免侧棱23与橱柜100发生碰撞。
在上述的三种第一铰链组件31,31’和31”中,第一槽333,333’和333”均包括水平槽(即,所述定位直线槽或所述中定位直线槽)。第一槽333,333’和333”的所述水平槽在门体20处于关闭状态时平行于前壁22,这样,所述水平槽占据的门体20前后方向的空间比较小,从而使得第一槽333,333’和333”和第二槽334,334’和334”在冰箱1的前后方向上的尺寸更加紧凑,因此,门体20的厚度可以被设计得更薄,使得门体20在向内侧移动时,不会占据所述储藏室前侧的空间,易于所述储藏室内抽屉的抽出。
在一些实施例中,如图13所示,第一槽333到前壁22的最小距离C1不小于第二槽334到前壁22的最小距离C2,第一槽333到侧壁21的最小距离C3不小于第二槽334到侧壁21的最小距离C4,从而,第一槽333和第二槽334在门体20中的占据空间主要取决于第二槽334的形状和大小。
在一些实施例中,如图31所示,相关技术中,第一槽333形成为斜槽50A,斜槽50A的靠近第二槽334的一端位于第二槽334的凹侧,且另一端朝向靠近前壁22且靠近侧壁21的方向延伸。
在第一槽333包括所述水平槽的情况下,第一槽333可以被设计为更加靠近前壁22,从而,门体20围绕第一轴321旋转时其侧棱23超出参考平面W并移动至所述外侧的距离D6,相较于第一槽333形成为斜槽50A时所形成的距离D7更小。即,如图31中所示的距离D6<距离D7。这样,本公开一些实施例提供的冰箱1的门体20在旋转时,可以向所述内侧移动更小的距离,从而有利于提高用户开启门体20的流畅度,且可以使门体20更少地占用所述储藏室前方的空间,避免门体20阻挡所述储藏室中的抽屉抽出。
可以理解的是,当门体20向所述内侧移动时,从本质上讲,是第一轴321在第一槽333中发生了水平方向的位移。在将第一槽333形成为斜槽50A的情况下,当门体20打开并向所述内侧移动时,第一轴321在斜槽50A中的位移分解到水平方向上为门体20向所述内侧移动的距离。本公开一些实施例中的第一槽333包括所述水平槽,第一轴321可以在第一槽333中向所述内侧水平移动。因此,当第一轴321在第一槽333中进行相同距离的位移时,本公开一些实施例提供的冰箱1的门体20向所述内侧移动的距离更大,具有更高的向所述内侧移动的效率。
综上所述,当第一槽333形成为斜槽50A时,第一轴321和第二轴322需要分别在第一槽333和第二槽334中进行更多的实际位移,才能达到第一槽333包括所述水平槽时的效果。
可以理解的是,第一轴和第二轴分别在第一槽和第二槽中的实际位移越长,第一轴和第一槽之间、以及第二轴和第二槽之间的接触运动的磨损越严重。随着磨损加重,第一轴和第一槽之间、以及第二轴和第二槽之间会形成间隙,进而会出现第一铰链组件和第二铰链组件不同轴的情况,造成门体运动卡死、晃动等问题。而本公开一些实施例提供的冰箱1的第一轴321和第二轴322分别在第一槽333和第二槽334中的实际位移较小,从而可以有效减少磨损,延长铰链组件30的使用寿命。
本公开一些实施例提供的冰箱1,其门体20从关闭状态旋转至完全打开状态(即,开启角度约为120°)的过程中,第一轴321和第二轴322始终在发生运动。即,第一轴321在第一槽333中的位置、第二轴322在第二槽334中的位置始终发生变化,从而使得门体20在开启时具有更高的流畅度。
另外,第一轴321和第二轴322分别在第一槽333和第二槽334中的运动平滑(即, 第一槽333和第二槽334中不存在突变点、尖角等结构)、且稳定,因此第一轴和第一槽之间、以及第二轴和第二槽之间不易发生磨损,从而使铰链组件30具有较长的使用寿命。
本领域技术人员应当理解,本公开中所涉及的公开范围,并不限于上述技术特征的特定组合而成的技术方案,同时也应涵盖在不脱离公开构思的情况下,由上述技术特征或其等同特征进行任意组合而形成的其它技术方案。例如上述特征与一些实施例公开的(但不限于)具有类似功能的技术特征进行互相替换而形成的技术方案。

Claims (20)

  1. 一种冰箱,包括:
    箱体;
    铰链组件,所述铰链组件包括:
    第一槽;
    第二槽;
    第一轴,所述第一轴与所述第一槽配合,且相对所述第一槽可运动;和
    第二轴,所述第二轴与所述第二槽配合,且相对所述第二槽可运动;以及
    门体,所述门体通过所述铰链组件与所述箱体相连,以打开或关闭所述箱体;所述门体包括:
    侧壁,所述侧壁为所述门体的靠近所述铰链组件的一侧壁;
    前壁,所述前壁为所述门体的远离所述箱体的一侧壁;和
    侧棱,所述侧壁和所述前壁的交汇形成所述侧棱;
    其中,定义所述箱体的左侧面和右侧面中靠近所述铰链组件的一者为参考平面,所述参考平面的靠近所述箱体的一侧为内侧;
    在所述门体打开的过程中,当所述第一轴相对于所述箱体固定时,所述第一轴相对于所述第一槽向靠近所述侧壁的方向移动,以使所述门体在旋转的同时向所述内侧移动;当所述第一轴相对于所述门体固定时,所述第一轴相对于所述第一槽向远离所述参考平面的方向移动,以使所述门体在旋转的同时向所述内侧移动。
  2. 根据权利要求1所述的冰箱,其中,在所述门体由所述关闭状态开启至最大角度的过程中,所述第一轴从所述第一槽的一端运动到所述第一槽的另一端,再从所述第一槽的所述另一端回撤到所述第一槽的中部,所述第二轴从所述第二槽的一端运动到所述第二槽的另一端。
  3. 根据权利要求2所述的冰箱,其中,所述第一轴和所述第二轴相对所述箱体固定;当所述门体处于所述关闭状态时,所述第一轴较所述第二轴更靠近所述侧壁且更远离所述前壁;
    以所述门体开启时所述第二轴的运动方向为参考,所述第二槽向远离所述前壁且靠近所述侧壁的方向延伸;以所述门体开启时所述第一轴的运动方向为参考,所述第一槽先向靠近所述侧壁的方向延伸,再向靠近所述前壁且靠近所述侧壁的方向延伸。
  4. 根据权利要求3所述的冰箱,其中,
    所述第一槽包括第一定位位置,较所述第一定位位置更靠近所述侧壁的第三定位位置,由所述第三定位位置向靠近所述前壁且靠近所述侧壁方向上依次排布的第四定位位置和第五定位位置,以及较第五定位位置远离所述前壁且远离所述侧壁的第六定位位置;
    所述第二槽在远离所述前壁且靠近所述侧壁的方向上依次包括第一导向位置、第三导向位置、第四导向位置、第五导向位置和第六导向位置。
  5. 根据权利要求4所述的冰箱,其中,
    在所述门体由所述关闭状态开启至第二角度的过程中,所述第一轴由所述第一定位位置运动到所述第三定位位置,所述第二轴由所述第一导向位置运动到所述第三导向位置;
    在所述门体由所述第二角度开启至第三角度的过程中,所述第一轴由所述第三定位位置运动到所述第四定位位置,所述第二轴由所述第三导向位置运动到所述第四导向位置;
    在所述门体由所述第三角度开启至第四角度的过程中,所述第一轴由所述第四定位位置运动到所述第五定位位置,所述第二轴由所述第四导向位置运动到所述第五导向位置;
    在所述门体由所述第四角度开启至所述最大角度的过程中,所述第一轴由所述第五定位位置运动到所述第六定位位置,所述第二轴由所述第五导向位置运动到所述第六导向位置。
  6. 根据权利要求5所述的冰箱,其中,所述第二槽包括:
    前导向曲线槽,所述前导向曲线槽的一端位于所述第一导向位置,且所述前导向曲线槽的另一端位于所述第五导向位置;和
    后导向曲线槽,所述后导向曲线槽的一端位于所述第五导向位置,且所述后导向曲线 槽的另一端位于所述第六导向位置。
  7. 根据权利要求6所述的冰箱,其中,所述侧棱位于所述前导向曲线槽的凹侧,所述侧棱位于所述后导向曲线槽的凸侧。
  8. 根据权利要求6所述的冰箱,其中,所述前导向曲线槽的长度大于所述后导向曲线槽的长度。
  9. 根据权利要求4所述的冰箱,其中,所述第一槽包括:
    定位直线槽,所述定位直线槽的一端位于所述第一定位位置,且所述定位直线槽的另一端位于所述第三定位位置,和
    定位曲线槽,所述定位曲线槽的一端位于所述第三定位位置,且所述定位曲线槽的另一端位于所述第五定位位置;
    所述定位直线槽在所述门体处于所述关闭状态时平行于所述箱体的靠近所述门体的一侧表面。
  10. 根据权利要求1所述的冰箱,其中,在所述门体由所述关闭状态开启至最大角度的过程中,所述第一轴从所述第一槽的一端运动到所述第一槽的另一端,所述第二轴从所述第二槽的一端运动到所述第二槽的另一端。
  11. 根据权利要求10所述的冰箱,其中,所述第一轴和所述第二轴相对所述箱体固定;当所述门体处于所述关闭状态时,所述第一轴较所述第二轴更靠近所述侧壁且更远离所述前壁;
    以所述门体开启时所述第二轴的运动方向为参考,所述第二槽先向远离所述前壁且靠近所述侧壁的方向延伸,再向靠近所述前壁且靠近所述侧壁的方向延伸;以所述门体开启时所述第一轴的运动方向为参考,所述第一槽先向靠近所述侧壁的方向延伸,再向靠近所述前壁且靠近所述侧壁的方向延伸。
  12. 根据权利要求11所述的冰箱,其中,
    所述第一槽包括第一定位位置,较所述第一定位位置更靠近所述侧壁的第三定位位置,以及由所述第三定位位置向靠近所述前壁且靠近所述侧壁方向上依次排布的第四定位位置、第五定位位置和第六定位位置;
    所述第二槽在远离所述前壁且靠近所述侧壁的方向上依次包括第一导向位置、第三导向位置、第四导向位置和第五导向位置,以及较所述第五导向位置更靠近所述前壁且靠近所述侧壁的第六导向位置。
  13. 根据权利要求12所述的冰箱,其中,
    在所述门体由所述关闭状态开启至第二角度的过程中,所述第一轴由所述第一定位位置运动到所述第三定位位置,所述第二轴由所述第一导向位置运动到所述第三导向位置;
    在所述门体由所述第二角度开启至第三角度的过程中,所述第一轴由所述第三定位位置运动到所述第四定位位置,所述第二轴由所述第三导向位置运动到所述第四导向位置;
    在所述门体由所述第三角度开启至第四角度的过程中,所述第一轴由所述第四定位位置运动到所述第五定位位置,所述第二轴由所述第四导向位置运动到所述第五导向位置;
    在所述门体由所述第四角度开启至所述最大角度的过程中,所述第一轴由所述第五定位位置运动到所述第六定位位置,所述第二轴由所述第五导向位置运动到所述第六导向位置。
  14. 根据权利要求13所述的冰箱,其中,所述第二槽包括:
    前导向曲线槽,所述前导向曲线槽的一端位于所述第一导向位置,所述前导向曲线槽的另一端位于所述第五导向位置;和
    后导向曲线槽,所述后导向曲线槽的一端位于所述第五导向位置,所述后导向曲线槽的另一端位于所述第六导向位置。
  15. 根据权利要求14所述的冰箱,其中,所述侧棱位于所述前导向曲线槽的凹侧,且位于所述后导向曲线槽的凹侧。
  16. 根据权利要求13所述的冰箱,其中,所述第一槽包括:
    定位直线槽,所述定位直线槽的一端位于所述第一定位位置,所述定位直线槽的另一 端位于所述第三定位位置;和
    定位曲线槽,所述定位曲线槽位于所述第三定位位置,所述定位曲线槽的另一端位于所述第六定位位置;
    所述定位直线槽在所述门体处于所述关闭状态时平行于所述箱体的靠近所述门体的一侧表面。
  17. 根据权利要求13所述的冰箱,其中,
    所述第一轴从所述第五定位位置运动到所述第六定位位置的运动轨迹线为定位曲线段,所述第二轴从所述第五导向位置运动到所述第六导向位置的运动轨迹线为导向曲线段;所述定位曲线段上任一点的切线与所述导向曲线段上对应于所述任一点的点的切线的夹角大于等于20°。
  18. 根据权利要求9或16所述的冰箱,其中,所述定位曲线槽的中心线与所述定位直线槽的中心线相切。
  19. 根据权利要求5或13所述的冰箱,其中,当所述门体开启至所述第三角度时,所述前壁与所述参考平面之间具有间隙;其中,所述第三角度为90°。
  20. 根据权利要求1所述的冰箱,其中,所述第二轴在所述第二槽内的运动轨迹线为平滑曲线。
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