WO2023202301A1 - Bed frame, mattress and electric bed - Google Patents

Bed frame, mattress and electric bed Download PDF

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Publication number
WO2023202301A1
WO2023202301A1 PCT/CN2023/082635 CN2023082635W WO2023202301A1 WO 2023202301 A1 WO2023202301 A1 WO 2023202301A1 CN 2023082635 W CN2023082635 W CN 2023082635W WO 2023202301 A1 WO2023202301 A1 WO 2023202301A1
Authority
WO
WIPO (PCT)
Prior art keywords
frame
state
bed
base
connecting rod
Prior art date
Application number
PCT/CN2023/082635
Other languages
French (fr)
Chinese (zh)
Inventor
杨铭轲
毕亚峰
刘绍发
胥军武
Original Assignee
江苏佰家丽新材料科技股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 江苏佰家丽新材料科技股份有限公司 filed Critical 江苏佰家丽新材料科技股份有限公司
Publication of WO2023202301A1 publication Critical patent/WO2023202301A1/en

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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C19/00Bedsteads
    • A47C19/12Folding bedsteads
    • A47C19/122Folding bedsteads foldable head to foot only
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C19/00Bedsteads
    • A47C19/22Combinations of bedsteads with other furniture or with accessories, e.g. with bedside cabinets
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C20/00Head -, foot -, or like rests for beds, sofas or the like
    • A47C20/04Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination
    • A47C20/041Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination by electric motors
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C20/00Head -, foot -, or like rests for beds, sofas or the like
    • A47C20/04Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination
    • A47C20/048Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination by fluid means
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C21/00Attachments for beds, e.g. sheet holders, bed-cover holders; Ventilating, cooling or heating means in connection with bedsteads or mattresses

Definitions

  • the present invention relates to the technical field of bedding, and in particular to a bed frame, a mattress and an electric bed.
  • An electric bed is a bed that can electrically control the height and angle of the head and tail of the bed board.
  • Its bed frame usually includes a back support frame, a hip support frame and a leg support frame, which are used to carry the person's back, buttocks and legs respectively.
  • the back support frame and the leg support frame can produce angle changes relative to the hip support frame when driven by motors, electric cylinders and other driving devices. Users can adjust the angle according to their needs to obtain the best user experience.
  • the existing electric bed needs to set up multiple driving devices to drive the bed frame to deform.
  • the setting of multiple driving devices makes the electric bed costly and difficult to reduce, which is not conducive to the popularization of electric beds. ;
  • it also increases the complexity of bed frame assembly, especially when installing in a limited installation space. Assembly is more difficult; in addition, it also causes the bed board to be heavy and inconvenient to transport.
  • the object of the present invention is to provide a bed frame, a mattress and an electric bed, which are more comfortable to use.
  • the present invention proposes a bed frame, including:
  • the first frame is used to support the human body's buttocks, and the first frame is movably connected to the base;
  • a second frame used to support the back of the human body, the second frame being movably connected to the first end of the first frame;
  • a third frame is used to support the human thigh, the third frame is movably connected to the second end of the first frame; and,
  • the fourth frame is used to support the lower leg of the human body.
  • One end of the fourth frame is hinged to the third frame, and the other end is suspended in the air;
  • the bed frame has a first state and a second state, the tilting angles of the first frame and the third frame in the first state are smaller than their tilting angles in the second state, and In the second state, the second end of the first frame is tilted.
  • the distance between the first frame and the second frame gradually increases.
  • the bed frame also has a third state, and the tilting angle of the second frame in the third state is greater than the tilting angle of the second frame in the first state and smaller than the tilting angle of the second frame in the third state.
  • the tilting angle in the second state is greater than the tilting angle of the second frame in the first state and smaller than the tilting angle of the second frame in the third state.
  • the tilting angle of the third frame in the second state is smaller than the tilting angle of the third frame in the third state.
  • the tilting angle of the first end or the second end of the first frame is 0° ⁇ 3°.
  • the upper surfaces of the first frame, the second frame, the third frame and the fourth frame are flush and in a horizontal state;
  • the tilting angle of the second frame is 45°-60°, and the tilting angle of the third frame is 15°-25°;
  • the tilting angle of the second frame is 20°-35°
  • the tilting angle of the third frame is 20°-35°
  • the upper surfaces of the first frame, the second frame, the third frame and the fourth frame are flush and in a horizontal state;
  • the hinge point of the fourth frame and the third frame is lower than the suspended end of the fourth frame
  • the hinge point of the fourth frame and the third frame is higher than the third frame.
  • the bed frame further includes a gas spring, the gas spring is connected between the first frame and the fourth frame, or the gas spring is connected between the base and the fourth frame. between frames.
  • the second frame part is arranged opposite to the base, there is an interval between the second frame and the base in the height direction, and the second frame part
  • the length of the portion opposite to the base ranges from 8cm to 15cm.
  • the bed frame further includes a linkage mechanism, the base, the first frame, the second frame, the third frame and the fourth frame are all movably connected to the linkage mechanism.
  • the linkage mechanism When one of the second frame, the third frame and the fourth frame is driven to move, the other frames are driven to move by the linkage mechanism.
  • the linkage mechanism includes a first link, the first link is hingedly connected to the base and the first end of the first frame, the first frame includes a first link movably connected to the base.
  • the connecting shaft when the bed frame is switched from the first state to the second state, moves along the arc trajectory toward the side of the second frame, and during the movement, it contacts the bottom surface of the base. The distance between them first decreases and then increases.
  • the linkage mechanism includes a second link that is hingedly connected to the extension plate portion and the base; or,
  • the base is provided with a circular arc-shaped hole, the connecting shaft is inserted into the arc-shaped hole, and the arc-shaped hole restricts the connecting shaft from moving along the center line of the arc-shaped hole.
  • the linkage mechanism includes a third link hinged with the second frame and the base, a fourth link hinged with the first link and the third link, and a third link hinged with the first link and the third link respectively.
  • the fifth link hinged between the second frame and the fourth link, the hinge point between the fourth link and the first link, and the fourth link and the fifth link The hinge points are respectively located on both sides of the hinge point between the third link and the fourth link.
  • the third frame is hingedly connected to the second end of the first frame, and the linkage mechanism includes a sixth link, and the sixth link is hingedly connected to the base and the third frame.
  • the angle between the sixth connecting rod and the bottom surface is 75° ⁇ 105°.
  • the linkage mechanism includes a seventh link, and the seventh link is hingedly connected to the first frame and the fourth frame.
  • the bed frame further includes a linear drive device connected between the base and the second frame, and the linear drive device is electric, hydraulic, pneumatic or manual.
  • the bed frame when the bed frame is in use, it is placed on an external fixture and is not fixedly connected to the fixture; or, when the bed frame is in use, the base is fixedly connected to an external fixture.
  • the present invention provides a mattress, including a bed frame as described in any one of the above items.
  • the present invention proposes an electric bed, including a bed frame as described in any one of the above items or a mattress as described above.
  • the present invention has the following beneficial effects:
  • the second end of the first frame when the bed frame is in the second state, the second end of the first frame is tilted. In this way, when resting against the second frame, the first frame will drive the human body close to the second frame, making it easier to maintain At the same time, the first frame and the third frame tilt in the same direction, making the transition between the two smoother and more natural, making it more comfortable to use.
  • the distance between it and the first frame gradually increases. In this way, the user will not feel a clamping feeling during the tilting process, making it more comfortable to use. , it is not easy to wake up users who have fallen asleep.
  • the bed frame also has a third state.
  • the user can adjust the bed frame to a suitable state according to needs, and the functions of the bed frame are more diversified.
  • the frames of the bed frame are linked through a linkage mechanism, making the structure simpler and more reliable.
  • the setting of the linkage mechanism requires only one linear drive device to drive the bed frame to switch between various states, which is beneficial to reducing costs, simplifying the structure, reducing weight, and making installation and transportation easier.
  • Figure 1 is a schematic structural diagram of a bed frame according to an embodiment of the present invention.
  • the bed frame is in a first state.
  • FIG. 2 is a front view of the bed frame shown in FIG. 1 .
  • Fig. 3 is a schematic structural diagram of the bed frame shown in Fig. 1 when it is in a second state.
  • FIG. 4 is a front view of the bed frame shown in FIG. 3 .
  • Fig. 5 is a schematic structural diagram of the bed frame shown in Fig. 1 when it is in a third state.
  • FIG. 6 is a front view of the bed frame shown in FIG. 5 .
  • Figure 7 is a schematic connection diagram of the first frame, the base and the first connecting rod in an embodiment of the present invention.
  • Figure 8 is a hinged structure of the first connecting rod and the base in an embodiment of the present invention.
  • FIG. 9 is an enlarged view of part I in FIG. 5 .
  • Figure 10 is a schematic connection diagram of the first frame, the base and the first link in another embodiment of the present invention.
  • Figure 11 is a structural schematic diagram of the bed frame shown in Figure 1 when it is in the third state, with hidden lines shown as dotted lines in the figure.
  • FIG. 12 is an enlarged view of part II in FIG. 11 .
  • FIG. 13 is an enlarged view of part III in FIG. 11 .
  • Figure 14 is a schematic diagram of the connection between the first frame, the third frame, the fourth frame and the seventh link in the present invention.
  • an embodiment means that a particular feature, structure or characteristic described in connection with the embodiment can be included in at least one embodiment of the present application.
  • the appearances of this phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
  • Those skilled in the art understand, both explicitly and implicitly, that the implementations described herein Examples may be combined with other examples.
  • the present invention proposes a bed frame, which includes a base 1 , a first frame 2 , a second frame 3 , a third frame 4 and a fourth frame 9 .
  • the first frame 2 is used to support the human body's buttocks
  • the second frame 3 is used to support the human body's back
  • the third frame 4 is used to support the human body's thighs
  • the fourth frame 9 is used to support the human body's lower legs.
  • the first frame 2 is movably connected to the base 1 and can move relative to the base 1.
  • the two ends of the first frame 2 along the length direction of the bed frame are respectively the first end 2a and the second end 2b.
  • the end 2a is movably connected to the second frame 3, and the second end 2b is movably connected to the third frame 4.
  • the base 1 is fixed, and the first frame 2 , the second frame 3 and the third frame 4 can move relative to the base 1 .
  • the bed frame has a first state suitable for the human body to lie flat and a second state (leisure mode) suitable for the human body to sit on it.
  • Figures 1 and 2 show the bed frame when it is in the first state.
  • Situation, Figures 3 and 4 show the situation when the bed frame is in the second state.
  • the tilt angle of the third frame 3 relative to the base 1 is smaller than its tilt angle in the second state.
  • the second frame 3 has a relatively large inclination angle, allowing people to lean against it for rest or entertainment, and serves a function similar to the backrest of a sofa.
  • the tilting angle of the frame can be understood as the angle between its upper surface and the bottom surface 11 of the base 1 (preferably, when the bed frame is used, its bottom surface 11 is parallel to or coincident with the horizontal plane)
  • the included angle is, for example, the included angle A1 and the included angle A2 shown in Figures 4 and 6.
  • other reference planes can also be used to describe the tilting angle, for example, a horizontal plane is selected as the reference plane.
  • the first frame 2 is set in an inclined state, and its first end 2a is closer to the base 1 than the second end 2b (that is, the second end 2b is tilted). In this way, the first frame 2 is tilted.
  • the end of the first frame 2 close to the person's leg is tilted, so that the buttocks tend to move toward the second frame 3.
  • the tilting angle A4 of the first frame 2 is preferably 5 to 10°, and more preferably 7°.
  • the tilting angle A3 of the third frame 4 is greater than the tilting angle A4 of the first frame 2 .
  • the distance between the adjacent ends of the first frame 2 and the second frame 3 gradually increases, refer to Figure 2
  • the distance between the adjacent ends of the first frame 2 and the second frame 3 is C1
  • the distance between adjacent ends of the first frame 2 and the second frame 3 is C2
  • C2 is greater than C1.
  • the bed frame also has a third state.
  • FIGs 5 and 6, show schematic diagrams of the bed frame in the third state.
  • the tilting angle A2 of the second frame 3 in the third state is greater than the tilting angle A1 of the second frame 3 in the first state. That is to say, during the tilting process, The bed frame starts from the first state and passes through the third state and the second state in sequence.
  • the third state is the zero-gravity mode. In this mode, the user's head and legs are lifted to a preset angle, so that the pressure on various parts of the body is evenly distributed, which can effectively reduce the burden on the spine. Relieve blood circulation pressure caused by prolonged sitting and standing.
  • the first frame 2 is configured to be in a horizontal state or close to a horizontal state.
  • the tilting angle of the first end 2a or the second end 2b of the first frame 2 is 0° to 3°.
  • the first frame 2 supports the buttocks more stably, conforms to ergonomics, and is more comfortable when lying down, which is beneficial to eliminating fatigue, promoting sleep, and is beneficial to people with insomnia or sleep disorders. People who have difficulty falling asleep.
  • the first frame 2, the second frame 3, the third frame 4 and the fourth frame 9 are all located above the base 1, so that the human body can be supported by each frame when lying down.
  • the first state is a state suitable for people to lie flat. At this time, it is similar to an ordinary bed, and the bed body is in a flat state.
  • the upper surfaces of the first frame 2, the second frame 3, the third frame 4 and the fourth frame 9 are flush and all are in a horizontal state.
  • the second frame 3 can also be appropriately tilted to a certain angle, such as 0 to 5°, which does not affect lying flat.
  • the tilting angle of the second frame 3 in the second state, is above 45°, preferably 45°-60°, and the tilting angle of the third frame 4 is below 25°, preferably 15° ⁇ 25°. Further preferably, in the second state, the tilting angle of the second frame 3 is 50°, and at this time, the tilting angle of the third frame 4 is 20°. This allows the user to receive support at a suitable angle and be more comfortable in leisure postures, such as reading or watching TV.
  • the tilting angle of the second frame 3 is 20°. ⁇ 35°, and the tilting angle of the third frame 4 is 20° ⁇ 35°.
  • the tilting angle of the second frame 3 is 25°, and the tilting angle of the third frame 4 is 30°. This allows the user to lie down more comfortably in zero-gravity mode.
  • the tilting angle of the second frame 3 gradually increases, while the tilting angle of the third frame 4 first increases and then decreases, and the tilting angle of the first frame 2 First, the first end 2a is lifted up, and then the second end 2b is lifted up.
  • the legs can be lowered automatically, making the mode switching smoother, more natural, and more ergonomic.
  • the tilt angle of the third frame 4 is the largest, and during the process of switching from the third state to the second state, its tilt angle gradually decreases.
  • multiple driving devices such as motors, electric pushrods, electric cylinders, etc.
  • driving devices such as motors, electric pushrods, electric cylinders, etc.
  • the second frame One or more electric push rods are provided at both the frame 3 and the third frame 4 to realize the angle and position changes of each frame.
  • the bed frame also includes a linkage mechanism and a linear drive device 5.
  • the base 1, the first frame 2, the second frame 3 and the third frame 4 are all movably connected to the linkage mechanism. Realize the linkage of actions between the frames. For example, when the angle of the second frame 3 changes, the angles of the first frame 2, the third frame 3 and the fourth frame 9 also change accordingly, driven by the linkage mechanism.
  • the linear drive device 5 is used to drive one of the first frame 2, the second frame 3 and the third frame 4 to move, and then drive the other two frames to move through the linkage mechanism to achieve attitude changes.
  • the linear drive device 5 can realize telescopic movement in the linear direction, and it can be manual (such as a manual push rod), pneumatic (such as a cylinder), hydraulic (such as a hydraulic cylinder) or electric (such as an electric push rod, electric push rod). Cylinder) device, preferably, the linear drive device 5 is electric, which can work with only power supply, is more convenient to use, and has low noise.
  • linear drive device 5 Due to the use of a linkage mechanism, only one linear drive device 5 is needed to realize the linkage of each frame.
  • the number of linear drive devices 5 is small, which greatly reduces the overall cost. At the same time, since the location with suitable space can be selected for installation, the installation is also simple. More convenient. In addition, reducing the number of linear drive devices 5 can also reduce the weight of the bed frame and even the entire electric bed, making it easier to transport and install.
  • the linkage mechanism includes a first link 60 connected between the base 1 and the first frame 2. Both ends of the first link 60 are hinged with the base 1 and the first end 2a of the first frame 2 respectively. so that the first link 60 Relative rotation can occur between the base 1 and the first frame 2 .
  • the hinge method is not limited.
  • the hinge method shown in Figure 8 can be used.
  • the base 1 and the first connecting rod 60 are hinged through bolts 13. Specifically, the bolts 13 have a large cross-sectional size.
  • the head 130, the optical axis part 131 connected to the head 130 and the threaded part 132 connected to the optical axis part 131, the optical axis part 131 is passed through the base 1 and the first link 60, the optical axis part 131 is Cylindrical shaft, so that the base 1 and the first connecting rod 60 can rotate around the axis of the optical axis part 131.
  • a nut 133 can be provided on the threaded part 132 to prevent the first connecting rod 60 from being separated from the base 1.
  • the optical axis part Steps or positioning sleeves 134 can be provided on 131 to limit the position of the first connecting rod 60 .
  • the first frame 2 is provided with an extension plate portion 20 extending toward the base 1 and a connecting shaft 21 provided on the extending plate portion 20.
  • the connecting shaft 21 is used to connect to the base 1.
  • the connecting shaft 21 It is preferably located near the lower end of the extension plate portion 20 .
  • the connecting shaft 21 of the first frame 2 moves along an arc trajectory.
  • the connecting shaft 21 moves in the direction of the second frame 3 (that is, moves to the left), and during the movement, the distance between the connecting shaft 21 and the bottom surface 11 of the base 1 first increases.
  • the connecting shaft 21 is moving in the direction of the second frame 3, it first moves downward and then moves upward, and the first link 60 swings in the direction of the second frame 3.
  • its height gradually decreases.
  • the first end 2a of the first frame 2 gradually lowers, and its second end 2b first lowers and then rises.
  • the linkage mechanism includes a second connecting rod 61 , and both ends of the second connecting rod 61 are respectively hinged with the connecting shaft 21 of the base 1 and the first frame 2 .
  • the hinge point 610 of the second link 61 and the first frame 2 is lower than the hinge point 611 of the second link 61 and the base 1.
  • the hinge point 611 is at the same position as the center of the arc trajectory.
  • the hinge point 611 is the same as the hinge point 610.
  • the distance between them is the same as the radius of the arc trajectory, so that when the second link 61 swings, it can form an arc trajectory with high ends and a low center.
  • the base 1 is provided with an arc-shaped arc hole 10, and the connecting shaft 21 is passed through the arc hole 10 and can move along the arc hole 10.
  • the shape of the arc hole 10 can limit the movement trajectory of the connecting shaft 21.
  • the connecting shaft 21 can be moved along the preset arc trajectory.
  • the center line 100 of the arc hole 10 is in the form of an arc. shape, the distance between its two ends and the bottom surface 11 of the base 1 is greater than the distance between the center line 100 and the bottom surface 11 of the base 1.
  • the connecting shaft 21 can be slidably coupled with the inner wall of the arc hole 10, or rolling parts 22 such as bearings or rollers can be provided on the connecting shaft 21. Through the rolling parts and the arc hole 10, the connecting shaft 21 can move when the connecting shaft 21 moves. Change sliding into rolling, thereby reducing wear and extending service life. It can also reduce noise and improve the smoothness of movement.
  • the rolling element 22 is preferably a bearing.
  • the first link 60 when the bed frame is in the first state, the first link 60 is in a vertical state, which can provide a stronger supporting effect.
  • the linkage mechanism in order to achieve linkage between the second frame 3 and the first frame 2, includes a third link 70 with both ends hinged to the second frame 3 and the base 1 respectively. , a fourth link 71 that is hinged with both the first link 60 and the third link 70 , and a fifth link 72 that is hinged with both ends of the second frame 3 and the fourth link 71 respectively.
  • the two hinge points 70a and 70b between the third link 70 and the second frame 3 and the base 1 are located on both sides of the hinge point 70c of the third link 70 and the fourth link 71, preferably at the third link 70.
  • the two ends of connecting rod 70 are located on both sides of the hinge point 70c of the third link 70 and the fourth link 71, preferably at the third link 70.
  • the two hinge points 71a and 71b between the fourth link 71 and the first link 60 and the fifth link 72 are respectively located on both sides of the hinge point 70c of the fourth link 71 and the third link 70, preferably at Both ends of the fourth connecting rod 71 . Further preferably, the hinge point 70c of the third link 70 and the fourth link 71 is located in the middle of the two links.
  • the angle and speed of the movement of the second frame 3 relative to the first frame 2 during the state change of the bed frame can be controlled.
  • the distance D between the hinge point 70 c and the hinge point 70 b is the shortest.
  • the distance E between the hinge point 70b and the hinge point 60a is the longest, and the distance F between the hinge point 70c and the hinge point 71a is the same as the hinge point 71a and the hinge point
  • the sum of the distances G between 60a is greater than the sum of the distances D and E.
  • the distance H between the hinge point 70a and the hinge point 70c is the shortest, and the hinge point 71b and the hinge point 71b are the shortest.
  • the distance I between 72a (the hinge point of the fifth link 72 and the second frame 3) is the longest, and the sum of the lengths of the distance H and the distance I is less than the sum of the lengths of the distance J and the distance K, where the distance J is The distance K between hinge point 72a and hinge point 70a is the distance between hinge point 71b and hinge point 70c. In this way, when the second frame 3 and the first frame 2 are linked, they are more stable and comfortable.
  • the linkage mechanism also includes a sixth link 8, which is connected to the base 1 and the third frame respectively. 4 is hinged.
  • the hinge points 8a and 8b between the sixth link 8 and the base 1 and the third frame 4 are respectively located at both ends of the sixth link 8.
  • the third frame 4 is hinged with the first frame 2 to form a hinge point 4a. In this way, during the movement of the first frame 2 , the sixth link 8 can swing while supporting the third frame 4 , thereby realizing linkage between the third frame 4 and the first frame 2 .
  • the sixth link 8 always swings toward the side of the first frame 2 during the tilting process of the second frame 3, and it swings from the right side of the vertical direction to the left side of the vertical direction. Cooperating with the movement of the first frame 2, it can It is realized that the tilting angle of the third frame 4 first increases and then decreases during the tilting process of the second frame 3 . Specifically, since during the movement of the first frame 2 to the side where the third frame 3 is located, the hinge point 4a gradually drops and moves to the left, and the hinge point 8b gradually rises, the sixth link 8 can support the tilting of the third frame 4 ; When the sixth link 8 crosses the vertical position, the hinge point 4a gradually rises, and the hinge point 8b gradually drops. Therefore, the sixth link 8 drives the third frame 4 to gradually flatten (that is, the tilt angle decreases).
  • the base 1 is provided with a protruding portion 14 protruding toward the side of the first frame 2.
  • the hinge point 8a is located on the protruding portion 14, which is located on the right side of the arc-shaped hole 10 and has a high height. at the center of the arc trajectory.
  • the angle A7 between the sixth link 8 and the bottom surface 11 is 75° ⁇ 105°.
  • the sixth link 8 is in the vertical state.
  • the tilting angle of the third frame 4 is the largest, and the angle change rate during the tilting process of the third frame 4 is preferably is greater than its angle change rate when it is flat, that is, the third frame 4 can be tilted up quickly first and then flattened slowly, making it more comfortable to use.
  • One end of the fourth frame 9 is hinged to the third frame 4, and the other end is suspended in the air.
  • the upper surfaces of the first frame 2, the second frame 3, the third frame 4 and the fourth frame 9 are flush and in a horizontal state, So that people can lie flat on the electric bed.
  • the height of the hinge point 9a of the fourth frame 9 and the third frame 4 is lower than the height of the suspended end 9b of the fourth frame 9, so that when people are in a leisurely sitting posture , both the thigh and the calf can be lifted naturally, and the knees are bent to a small degree.
  • the angle A5 between the fourth frame 9 and the third frame 4 is less than 180°.
  • the height of the hinge point 9a is higher than the height of the suspended end 9b, and the angle A6 between the fourth frame 9 and the third frame 4 is smaller than the angle A6 between them in the second state.
  • angle A5 so that people are at zero When resting in gravity mode, the knees bend to a greater degree, which is more suitable for relaxing stress and promoting sleep.
  • the height of the suspended end 9b of the fourth frame 9 changes little when switching between the third state and the second state (preferably, the height change is less than 5cm, and further preferably, in the two states, the height of the suspended end 9b (the height remains unchanged), the height is more constant, which can reduce the overall center of gravity during state changes and make the operation more stable.
  • it can reduce the distance between the bed frame and external fixtures (such as bed boards), lowering the weight of objects or The risk of the human body entering between the two.
  • the linkage mechanism also includes a seventh link 80 whose two ends are hinged with the extension plate portion 20 and the fourth frame 9 respectively.
  • the seventh link 80 is located below the third frame 4, and the hinge point 80a between it and the extension plate portion 20 is located between the connecting axis 21 and the hinge point 4a, that is, the height of the hinge point 80a is higher than the connecting axis 21 and lower than the hinge. Point 4a.
  • the fourth frame 9 can rotate relative to the third frame 4 driven by the seventh link 80, thereby changing the inclination angle.
  • the four-bar mechanism formed by the first frame 2, the third frame 4, the fourth frame 9 and the seventh link 80 is a parallelogram link mechanism, and the hinge point 80b (the seventh link 80
  • the distance M between the hinge point 4 and the fourth frame 9) and the hinge point 9a (the hinge point between the third frame 4 and the fourth frame 9) is the same as the distance P between the hinge point 4a and the hinge point 80a.
  • the distance N between point 80a and hinge point 80b is the same as the distance O between hinge point 9a and hinge point 4a.
  • the linear drive device 5 is an electric push rod, which is connected between the second frame 3 and the base 1 .
  • the second frame 3 includes a first cross bar 30 and two side bars 31 connected on both sides of the first cross bar 30 .
  • the base 1 includes a second cross bar disposed parallel to the first cross bar 30 .
  • Rod 12, the linear drive device 5 includes a body 50 and a telescopic rod 51 connected to the body 50.
  • the telescopic rod 51 can telescopically move relative to the body 50.
  • the bottom of the body 50 is hinged with the second crossbar 12, and the end of the telescopic rod 51 is connected to the first horizontal rod 12.
  • the crossbar 30 is articulated.
  • the linear drive device 5 is arranged between the second frame 3 and the base 1 to more directly promote the movement of the second frame 3 and work. More reliable.
  • the bed frame can be deformed as a whole under the drive of the linkage mechanism, when the bed frame is in use, its base 1 can be directly placed on a fixed object such as a bed board or the ground without being fixed to the fixed object.
  • a fixed object such as a bed board or the ground
  • the bed frame will not be pinched during the deformation process. People or things are safer.
  • the base 1 can also be fixedly connected to a fixed object.
  • the second frame 3 in the first state, is spaced apart from the base 1 in the height direction, and most of it is suspended outside the base 1, and only part of it is connected to the base 1.
  • the length L1 of the portion of the second frame 3 opposite to the base 1 ranges from 8 cm to 15 cm, and is further preferably 11.5 cm. Since the second frame 3 is approximately parallel to the base 1 in the first state, and most of the second frame 3 is located outside the base 1, there is no shear structure formed between the second frame 3 and the base 1.
  • the second frame 3 is laid flat, it is not easy to pinch or injure people or objects located between it and the base 1, which is safer.
  • fingers will not enter between the opposite parts of the second frame 3 and the base 1, and the safety is higher.
  • the number of linkage mechanisms is two or more groups, which are spaced along the width direction of the bed frame to provide stronger support performance.
  • the linkage mechanisms shown in the drawings of this application are Two groups are arranged symmetrically on both sides of the bed frame. It can be understood that, if the strength and stiffness permit, the number of linkage mechanisms can also be one group.
  • a gas spring is provided between the first frame 2 and the fourth frame 9 or between the base 1 and the fourth frame 9. Both ends of the gas spring are respectively connected with the first frame 2 (or the base). 1) It is hinged with the fourth frame 9 and can play a buffering and supporting role during the movement of the fourth frame 9, thereby making the overall movement of the bed frame more stable during deformation and making it more comfortable to use.
  • each frame may include two side bars 31 on both sides. In order to enhance the strength, they may be placed on each side.
  • a reinforcing rod similar to the above-mentioned first cross bar 30 is connected between the two side bars 31 of the frame, or a support plate can be connected on the surface of the two side bars 31 to enhance the strength and rigidity while making it easier to support the human body.
  • the present invention also proposes a mattress, which includes the bed frame described above.
  • the mattress also includes a flexible material covering the outside of the bed frame and/or a flexible pad provided on the surface of the bed frame.
  • the human body lies on the bed. More comfortable when padded.
  • Flexible materials are elastic and can deform accordingly when the bed frame deforms.
  • the present invention also provides an electric bed, which includes the above-mentioned bed frame or mattress.
  • the electric bed also includes a bed board.
  • the bed frame or mattress can be placed directly on the bed board without being fixedly connected to the bed board.
  • the bed frame or mattress can be fixed on the bed board through the base 1 .

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Abstract

A bed frame, a mattress and an electric bed. The bed frame comprises a base (1), a first frame (2), a second frame (3), a third frame (4) and a fourth frame (9). The first frame (2) is used for supporting the buttocks of a person and is movably connected to the base (1). The second frame (3) is used for supporting the back of the person and is movably connected to a first end (2a) of the first frame (2). The third frame (4) is used for supporting the thighs of the person and is movably connected to a second end (2b) of the first frame (2). The fourth frame (9) is used for supporting lower legs of the person, one end of the fourth frame is hinged to the third frame (4), and the other end of the fourth frame is suspended. The bed frame has a first state and a second state; a tilt angle of the first frame (2) and the third frame (4) in the first state is less than that of the first frame and the third frame in the second state; and the second end (2b) of the first frame (2) is tilted in the second state. The bed frame has a simple and reliable structure and is more comfortable to use.

Description

一种床架、床垫及电动床Bed frame, mattress and electric bed
优先权信息:本申请要求于2022年4月19日提交的申请号为202210412159.9的中国专利申请的优先权。Priority information: This application claims priority from Chinese patent application No. 202210412159.9, filed on April 19, 2022.
技术领域Technical field
本发明涉及寝具技术领域,尤其涉及一种床架、床垫及电动床。The present invention relates to the technical field of bedding, and in particular to a bed frame, a mattress and an electric bed.
背景技术Background technique
电动床是一种能够电动控制床板头部和尾部高度和角度的床,其床架通常包括背部支撑架、臀部支撑架和腿部支撑架,分别用于承载人的背部、臀部和腿部。背部支撑架和腿部支撑架可在电机、电缸等驱动装置的驱动相对臀部支撑架产生角度变化。使用者能够根据需求调节角度,以获得最佳的使用体验。An electric bed is a bed that can electrically control the height and angle of the head and tail of the bed board. Its bed frame usually includes a back support frame, a hip support frame and a leg support frame, which are used to carry the person's back, buttocks and legs respectively. The back support frame and the leg support frame can produce angle changes relative to the hip support frame when driven by motors, electric cylinders and other driving devices. Users can adjust the angle according to their needs to obtain the best user experience.
现有的电动床常常存在如下不足之处:Existing electric beds often have the following shortcomings:
1.现有的电动床在床架的状态变化时,背部支撑架和腿部支撑架翘起,而臀部支撑架通常是固定不动的,少有一些能够发生前后的平移,在不同的使用状态时,臀部支撑架始终保持水平状态,不利于提升使用舒适度。1. In existing electric beds, when the state of the bed frame changes, the back support frame and leg support frame are tilted, while the hip support frame is usually fixed, and few can move forward and backward in different uses. When in use, the hip support frame always remains horizontal, which is not conducive to improving comfort.
2.现有的电动床在床架的状态变化时,仅背部支撑架和腿部支撑架的绕固定连接轴发生角度变化,容易产生夹持感,特别是在使用者入睡后变化角度时,容易吵醒使用者,影响使用者的睡眠质量。2. In the existing electric bed, when the state of the bed frame changes, only the angle of the back support frame and the leg support frame around the fixed connection axis changes, which is easy to produce a clamping feeling, especially when the angle changes after the user falls asleep. It is easy to wake up the user and affect the user's sleep quality.
3.现有的电动床为了实现床架各部分的角度变化,需要设置多个驱动装置驱动床架变形,多个驱动装置的设置导致了电动床成本高昂,难以降低,不利于电动床的普及;同时还加剧了床架装配时的复杂程度,特别是在有限的安装空间下安装时,装配更为困难;另外,还导致床板质量大,搬运不便。3. In order to realize the angle change of each part of the bed frame, the existing electric bed needs to set up multiple driving devices to drive the bed frame to deform. The setting of multiple driving devices makes the electric bed costly and difficult to reduce, which is not conducive to the popularization of electric beds. ; At the same time, it also increases the complexity of bed frame assembly, especially when installing in a limited installation space. Assembly is more difficult; in addition, it also causes the bed board to be heavy and inconvenient to transport.
因此,有必要对现有技术予以改良以克服现有技术中的所述缺陷。Therefore, it is necessary to improve the prior art to overcome the defects in the prior art.
发明内容Contents of the invention
本发明的目的在于提供一种床架、床垫和电动床,其使用舒适度更佳。The object of the present invention is to provide a bed frame, a mattress and an electric bed, which are more comfortable to use.
为实现上述发明目的,第一方面,本发明提出了一种床架,包括:In order to achieve the above-mentioned object of the invention, in a first aspect, the present invention proposes a bed frame, including:
基座;base;
第一框架,用于支撑人体臀部,所述第一框架与所述基座活动连接; The first frame is used to support the human body's buttocks, and the first frame is movably connected to the base;
第二框架,用于支撑人体背部,所述第二框架与所述第一框架的第一端活动连接;a second frame used to support the back of the human body, the second frame being movably connected to the first end of the first frame;
第三框架,用于支撑人体大腿部,所述第三框架与所述第一框架的第二端活动连接;以及,A third frame is used to support the human thigh, the third frame is movably connected to the second end of the first frame; and,
第四框架,用于支撑人体小腿部,所述第四框架一端与所述第三框架铰接,另一端悬空设置;The fourth frame is used to support the lower leg of the human body. One end of the fourth frame is hinged to the third frame, and the other end is suspended in the air;
所述床架具有第一状态和第二状态,所述第一框架和所述第三框架在所述第一状态时的翘起角度小于其在所述第二状态时的翘起角度,并且在所述第二状态时,所述第一框架的第二端翘起。The bed frame has a first state and a second state, the tilting angles of the first frame and the third frame in the first state are smaller than their tilting angles in the second state, and In the second state, the second end of the first frame is tilted.
进一步地,所述床架从第一状态切换至第二状态的过程中,所述第一框架和所述第二框架之间的距离逐渐增大。Further, during the process of switching the bed frame from the first state to the second state, the distance between the first frame and the second frame gradually increases.
进一步地,所述的床架还具有第三状态,所述第二框架在所述第三状态时的翘起角度大于其在所述第一状态时的翘起角度且小于其在所述第二状态时的翘起角度;Furthermore, the bed frame also has a third state, and the tilting angle of the second frame in the third state is greater than the tilting angle of the second frame in the first state and smaller than the tilting angle of the second frame in the third state. The tilting angle in the second state;
所述第三框架在所述第二状态时的翘起角度小于其在所述第三状态时的翘起角度。The tilting angle of the third frame in the second state is smaller than the tilting angle of the third frame in the third state.
进一步地,在所述第三状态时,所述第一框架的第一端或者第二端的翘起角度为0°~3°。Further, in the third state, the tilting angle of the first end or the second end of the first frame is 0°˜3°.
进一步地,在所述第一状态时,所述第一框架、所述第二框架、所述第三框架和所述第四框架的上表面平齐,且处于水平状态;Further, in the first state, the upper surfaces of the first frame, the second frame, the third frame and the fourth frame are flush and in a horizontal state;
在所述第二状态时,所述第二框架的翘起角度为45°~60°,所述第三框架的翘起角度为15°~25°;In the second state, the tilting angle of the second frame is 45°-60°, and the tilting angle of the third frame is 15°-25°;
在所述第三状态时,所述第二框架的翘起角度为20°~35°,所述第三框架的翘起角度为20°~35°。In the third state, the tilting angle of the second frame is 20°-35°, and the tilting angle of the third frame is 20°-35°.
进一步地,在所述第一状态时,所述第一框架、第二框架、第三框架和所述第四框架的上表面平齐,且处于水平状态;Further, in the first state, the upper surfaces of the first frame, the second frame, the third frame and the fourth frame are flush and in a horizontal state;
在所述第二状态时,所述第四框架与所述第三框架的铰接点低于所述第四框架的悬空端;In the second state, the hinge point of the fourth frame and the third frame is lower than the suspended end of the fourth frame;
在所述第三状态时,所述第四框架与所述第三框架的铰接点高于所述第 四框架的悬空端。In the third state, the hinge point of the fourth frame and the third frame is higher than the third frame. Four suspended ends of the frame.
进一步地,所述的床架还包括气弹簧,所述气弹簧连接于所述第一框架和所述第四框架之间,或者,所述气弹簧连接于所述基座和所述第四框架之间。Further, the bed frame further includes a gas spring, the gas spring is connected between the first frame and the fourth frame, or the gas spring is connected between the base and the fourth frame. between frames.
进一步地,在所述第一状态时,所述第二框架部分与所述基座相对设置,所述第二框架与所述基座之间在高度方向上具有间隔,且所述第二框架和所述基座相对设置的部分的长度范围为8cm~15cm。Further, in the first state, the second frame part is arranged opposite to the base, there is an interval between the second frame and the base in the height direction, and the second frame part The length of the portion opposite to the base ranges from 8cm to 15cm.
进一步地,所述的床架还包括联动机构,所述基座、第一框架、第二框架、第三框架和第四框架均与所述联动机构活动连接,在所述第一框架、第二框架、第三框架和所述第四框架其中之一被驱动运动时,其余框架在所述联动机构的带动下运动。Further, the bed frame further includes a linkage mechanism, the base, the first frame, the second frame, the third frame and the fourth frame are all movably connected to the linkage mechanism. When one of the second frame, the third frame and the fourth frame is driven to move, the other frames are driven to move by the linkage mechanism.
进一步地,所述联动机构包括第一连杆,所述第一连杆与所述基座和所述第一框架的第一端铰接,所述第一框架包括与所述基座活动连接的连接轴,在所述床架由第一状态切换至第二状态时,所述连接轴沿着圆弧轨迹向着所述第二框架所在侧移动,且在移动的过程中与所述基座底面之间的距离先减小后增大。Further, the linkage mechanism includes a first link, the first link is hingedly connected to the base and the first end of the first frame, the first frame includes a first link movably connected to the base. The connecting shaft, when the bed frame is switched from the first state to the second state, moves along the arc trajectory toward the side of the second frame, and during the movement, it contacts the bottom surface of the base. The distance between them first decreases and then increases.
进一步地,所述联动机构包括第二连杆,所述第二连杆与所述延伸板部和所述基座铰接;或者,Further, the linkage mechanism includes a second link that is hingedly connected to the extension plate portion and the base; or,
所述基座设有圆弧形的弧形孔,所述连接轴穿设于所述弧形孔内,所述弧形孔限制所述连接轴沿着所述弧形孔的中心线移动。The base is provided with a circular arc-shaped hole, the connecting shaft is inserted into the arc-shaped hole, and the arc-shaped hole restricts the connecting shaft from moving along the center line of the arc-shaped hole.
进一步地,所述联动机构包括与所述第二框架和所述基座铰接的第三连杆、与所述第一连杆和所述第三连杆铰接的第四连杆以及分别与所述第二框架和所述第四连杆铰接的第五连杆,所述第四连杆和所述第一连杆之间的铰接点以及所述第四连杆和所述第五连杆之间的铰接点分别位于所述第三连杆和所述第四连杆之间的铰接点的两侧。Further, the linkage mechanism includes a third link hinged with the second frame and the base, a fourth link hinged with the first link and the third link, and a third link hinged with the first link and the third link respectively. The fifth link hinged between the second frame and the fourth link, the hinge point between the fourth link and the first link, and the fourth link and the fifth link The hinge points are respectively located on both sides of the hinge point between the third link and the fourth link.
进一步地,所述第三框架与所述第一框架的第二端铰接,所述联动机构包括第六连杆,所述第六连杆与所述基座和所述第三框架铰接。Further, the third frame is hingedly connected to the second end of the first frame, and the linkage mechanism includes a sixth link, and the sixth link is hingedly connected to the base and the third frame.
进一步地,在所述第三状态时,所述第六连杆与所述底面之间的夹角为75°~105°。 Further, in the third state, the angle between the sixth connecting rod and the bottom surface is 75°˜105°.
进一步地,所述联动机构包括第七连杆,所述第七连杆与所述第一框架和所述第四框架铰接。Further, the linkage mechanism includes a seventh link, and the seventh link is hingedly connected to the first frame and the fourth frame.
进一步地,所述的床架还包括连接于所述基座和所述第二框架之间的直线驱动装置,所述直线驱动装置为电动的、液动的、气动的或者手动的。Further, the bed frame further includes a linear drive device connected between the base and the second frame, and the linear drive device is electric, hydraulic, pneumatic or manual.
进一步地,所述床架使用时,放置于外部的固定物上,且不与所述固定物固定连接;或者,所述床架使用时,所述基座与外部的固定物固定连接。Further, when the bed frame is in use, it is placed on an external fixture and is not fixedly connected to the fixture; or, when the bed frame is in use, the base is fixedly connected to an external fixture.
第二方面,本发明提出了一种床垫,包括如上任一项所述的床架。In a second aspect, the present invention provides a mattress, including a bed frame as described in any one of the above items.
第三方面,本发明提出了一种电动床,包括如上任一项所述的床架或者包括如上所述的床垫。In a third aspect, the present invention proposes an electric bed, including a bed frame as described in any one of the above items or a mattress as described above.
与现有技术相比,本发明具有如下有益效果:Compared with the prior art, the present invention has the following beneficial effects:
1.本发明中,在床架处于第二状态时,第一框架的第二端翘起,这样,在背靠第二框架休息时,第一框架会驱使人体紧靠第二框架,更易保持人体的休闲姿态,同时,第一框架和第三框架的翘起方向一致,两者之间的过渡更为平滑和自然,使用时更为舒适。1. In the present invention, when the bed frame is in the second state, the second end of the first frame is tilted. In this way, when resting against the second frame, the first frame will drive the human body close to the second frame, making it easier to maintain At the same time, the first frame and the third frame tilt in the same direction, making the transition between the two smoother and more natural, making it more comfortable to use.
2.作为改进,在第二框架翘起的过程中,其与第一框架之间的距离逐渐增大,这样,在翘起的过程中不会给使用者造成夹持感,使用更为舒适,不易吵醒已入睡的使用者。2. As an improvement, when the second frame is tilted, the distance between it and the first frame gradually increases. In this way, the user will not feel a clamping feeling during the tilting process, making it more comfortable to use. , it is not easy to wake up users who have fallen asleep.
3.作为改进,床架还具有第三状态,使用者能够按照需求调整床架至合适的状态,床架的功能更为多样化。3. As an improvement, the bed frame also has a third state. The user can adjust the bed frame to a suitable state according to needs, and the functions of the bed frame are more diversified.
4.作为改进,床架的各框架之间通过联动机构实现联动,其结构更为简单可靠。另外,联动机构的设置,使得只需要设置一个直线驱动装置即可驱动床架在各个状态之间进行切换,有利于降低成本、简化结构、降低重量,更便于安装和搬运。4. As an improvement, the frames of the bed frame are linked through a linkage mechanism, making the structure simpler and more reliable. In addition, the setting of the linkage mechanism requires only one linear drive device to drive the bed frame to switch between various states, which is beneficial to reducing costs, simplifying the structure, reducing weight, and making installation and transportation easier.
附图说明Description of the drawings
图1是本发明中一种实施方式的床架的结构示意图,图中床架处于第一状态。Figure 1 is a schematic structural diagram of a bed frame according to an embodiment of the present invention. In the figure, the bed frame is in a first state.
图2是图1所示的床架的主视图。FIG. 2 is a front view of the bed frame shown in FIG. 1 .
图3是图1所示的床架位于第二状态时的结构示意图。Fig. 3 is a schematic structural diagram of the bed frame shown in Fig. 1 when it is in a second state.
图4是图3所示的床架的主视图。 FIG. 4 is a front view of the bed frame shown in FIG. 3 .
图5是图1所示的床架位于第三状态时的结构示意图。Fig. 5 is a schematic structural diagram of the bed frame shown in Fig. 1 when it is in a third state.
图6是图5所示的床架的主视图。FIG. 6 is a front view of the bed frame shown in FIG. 5 .
图7是本发明中第一框架、基座和第一连杆一种实施方式的连接示意图。Figure 7 is a schematic connection diagram of the first frame, the base and the first connecting rod in an embodiment of the present invention.
图8是本发明中一种实施方式的第一连杆与基座的铰接结构。Figure 8 is a hinged structure of the first connecting rod and the base in an embodiment of the present invention.
图9是图5中I部的放大图。FIG. 9 is an enlarged view of part I in FIG. 5 .
图10是本发明中第一框架、基座和第一连杆另一种实施方式的连接示意图。Figure 10 is a schematic connection diagram of the first frame, the base and the first link in another embodiment of the present invention.
图11是图1所示的床架位于第三状态时的结构示意图,图中以虚线示出了隐藏线。Figure 11 is a structural schematic diagram of the bed frame shown in Figure 1 when it is in the third state, with hidden lines shown as dotted lines in the figure.
图12是图11中II部的放大图。FIG. 12 is an enlarged view of part II in FIG. 11 .
图13是图11中III部的放大图。FIG. 13 is an enlarged view of part III in FIG. 11 .
图14是本发明中第一框架、第三框架、第四框架和第七连杆的连接示意图。Figure 14 is a schematic diagram of the connection between the first frame, the third frame, the fourth frame and the seventh link in the present invention.
具体实施方式Detailed ways
为使本申请的上述目的、特征和优点能够更为明显易懂,下面结合附图,对本申请的具体实施方式做详细的说明。可以理解的是,此处所描述的具体实施例仅用于解释本申请,而非对本申请的限定。另外还需要说明的是,为了便于描述,附图中仅示出了与本申请相关的部分而非全部结构。基于本申请中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其它实施例,都属于本申请保护的范围。In order to make the above objects, features and advantages of the present application more obvious and easy to understand, the specific implementation modes of the present application will be described in detail below with reference to the accompanying drawings. It can be understood that the specific embodiments described here are only used to explain the present application, but not to limit the present application. In addition, it should be noted that, for convenience of description, only some but not all structures related to the present application are shown in the drawings. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of this application.
本申请中的术语“包括”和“具有”以及它们任何变形,意图在于覆盖不排他的包含。例如包含了一系列步骤或单元的过程、方法、系统、产品或设备没有限定于已列出的步骤或单元,而是可选地还包括没有列出的步骤或单元,或可选地还包括对于这些过程、方法、产品或设备固有的其它步骤或单元。The terms "including" and "having" and any variations thereof in this application are intended to cover a non-exclusive inclusion. For example, a process, method, system, product or device that includes a series of steps or units is not limited to the listed steps or units, but optionally also includes steps or units that are not listed, or optionally also includes Other steps or units inherent to such processes, methods, products or devices.
在本文中提及“实施例”意味着,结合实施例描述的特定特征、结构或特性可以包含在本申请的至少一个实施例中。在说明书中的各个位置出现该短语并不一定均是指相同的实施例,也不是与其它实施例互斥的独立的或备选的实施例。本领域技术人员显式地和隐式地理解的是,本文所描述的实施 例可以与其它实施例相结合。Reference herein to "an embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment can be included in at least one embodiment of the present application. The appearances of this phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those skilled in the art understand, both explicitly and implicitly, that the implementations described herein Examples may be combined with other examples.
如图1至图14所示,本发明提出了一种床架,其包括基座1、第一框架2、第二框架3、第三框架4和第四框架9。As shown in FIGS. 1 to 14 , the present invention proposes a bed frame, which includes a base 1 , a first frame 2 , a second frame 3 , a third frame 4 and a fourth frame 9 .
第一框架2用于支撑人体臀部,第二框架3用于支撑人体背部,第三框架4用于支撑人体的大腿部,第四框架9用于支撑人体小腿部。在人躺卧于床上时,通常其背部和头部与第一框架2的位置相对应,臀部位于第一框架2上,大腿的位置与第三框架4相对应,小腿和脚则与第四框架9对应。The first frame 2 is used to support the human body's buttocks, the second frame 3 is used to support the human body's back, the third frame 4 is used to support the human body's thighs, and the fourth frame 9 is used to support the human body's lower legs. When a person lies on the bed, his or her back and head usually correspond to the first frame 2 , buttocks are located on the first frame 2 , thighs are located corresponding to the third frame 4 , and calves and feet are located on the fourth frame 4 . Frame 9 corresponds.
第一框架2与基座1活动连接,能够相对基座1运动,参考图2,第一框架2沿着床架长度方向的两端分别为第一端2a和第二端2b,其第一端2a与第二框架3活动连接,第二端2b与第三框架4活动连接。在床架的变形过程中,基座1是固定不动的,第一框架2、第二框架3和第三框架4能够相对基座1运动。The first frame 2 is movably connected to the base 1 and can move relative to the base 1. Referring to Figure 2, the two ends of the first frame 2 along the length direction of the bed frame are respectively the first end 2a and the second end 2b. The end 2a is movably connected to the second frame 3, and the second end 2b is movably connected to the third frame 4. During the deformation process of the bed frame, the base 1 is fixed, and the first frame 2 , the second frame 3 and the third frame 4 can move relative to the base 1 .
床架具有适于人体平躺的第一状态和适于人体坐靠的第二状态(休闲模式),参考图1至图4,图1和图2示出了床架处于第一状态时的情形,图3和图4示出了床架处于第二状态时的情形,在第一状态时,第三框架3相对基座1的翘起角度小于其在第二状态时的翘起角度,如此,在第二状态时,第二框架3具有较大的倾角能够使得人们背靠着休息或者娱乐,起到类似沙发靠背的功能。为了便于描述和理解,本实施例中,框架的翘起角度可以理解成其上表面与基座1的底面11(优选的,床架使用时,其底面11与水平面平行或者重合)之间的夹角,例如图4和图6中示出的夹角A1和夹角A2,当然在其他实施例中,也可以选用其他的参考面描述翘起角度,例如选取水平面作为参考面。The bed frame has a first state suitable for the human body to lie flat and a second state (leisure mode) suitable for the human body to sit on it. Refer to Figures 1 to 4. Figures 1 and 2 show the bed frame when it is in the first state. Situation, Figures 3 and 4 show the situation when the bed frame is in the second state. In the first state, the tilt angle of the third frame 3 relative to the base 1 is smaller than its tilt angle in the second state. In this way, in the second state, the second frame 3 has a relatively large inclination angle, allowing people to lean against it for rest or entertainment, and serves a function similar to the backrest of a sofa. In order to facilitate description and understanding, in this embodiment, the tilting angle of the frame can be understood as the angle between its upper surface and the bottom surface 11 of the base 1 (preferably, when the bed frame is used, its bottom surface 11 is parallel to or coincident with the horizontal plane) The included angle is, for example, the included angle A1 and the included angle A2 shown in Figures 4 and 6. Of course, in other embodiments, other reference planes can also be used to describe the tilting angle, for example, a horizontal plane is selected as the reference plane.
在第二状态时,参考图4,第一框架2被设置成处于倾斜状态,其第一端2a相对第二端2b更为靠近基座1(即第二端2b翘起),如此,第一框架2靠近人腿部的端部翘起,使得臀部具有向着第二框架3移动的趋势,配合翘起的第三框架4,能够使人自然的背靠第二框架3,更为舒适和稳定。第一框架2的翘起角度A4优选为5~10°,进一步优选为7°。作为一种优选的实施方式,在第二状态时,第三框架4的翘起角度A3大于第一框架2的翘起角度A4。In the second state, referring to Figure 4, the first frame 2 is set in an inclined state, and its first end 2a is closer to the base 1 than the second end 2b (that is, the second end 2b is tilted). In this way, the first frame 2 is tilted. The end of the first frame 2 close to the person's leg is tilted, so that the buttocks tend to move toward the second frame 3. With the tilted third frame 4, the person can naturally lean against the second frame 3, which is more comfortable and comfortable. Stablize. The tilting angle A4 of the first frame 2 is preferably 5 to 10°, and more preferably 7°. As a preferred embodiment, in the second state, the tilting angle A3 of the third frame 4 is greater than the tilting angle A4 of the first frame 2 .
作为一种优选的实施方式,在床架从第一状态切换至第二状态的过程中,第一框架2和第二框架3的相邻的端部之间的距离逐渐增大,参考图2和图4,第一状态时,第一框架2和第二框架3的相邻端之间的距离为C1,第二状态时, 第一框架2和第二框架3的相邻端之间的距离为C2,C2要大于C1。如此,在床架由第一状态变化至第二状态时,第一框架2和第二框架3在变化角度的过程中相互远离,逐渐拉开,不会像单纯的绕轴转动那样弯折人体,使人体感受到夹持感,其过程更为平缓舒适,使得床架在使用者睡着的情况下变化姿态时,不容易吵醒使用者,充分保障了使用者的睡眠质量。As a preferred implementation, during the process of switching the bed frame from the first state to the second state, the distance between the adjacent ends of the first frame 2 and the second frame 3 gradually increases, refer to Figure 2 As shown in Figure 4, in the first state, the distance between the adjacent ends of the first frame 2 and the second frame 3 is C1, and in the second state, The distance between adjacent ends of the first frame 2 and the second frame 3 is C2, and C2 is greater than C1. In this way, when the bed frame changes from the first state to the second state, the first frame 2 and the second frame 3 move away from each other and gradually pull apart during the angle change process, and will not bend the human body like a simple rotation around the axis. , making the human body feel the clamping feeling, and the process is smoother and more comfortable, making it less likely to wake the user when the bed frame changes posture while the user is asleep, fully ensuring the user's sleep quality.
作为一种优选的实施方式,床架还具有第三状态,参考图5和图6,图5和图6示出了床架处于第三状态时的示意图。第二框架3在第三状态时的翘起角度A2大于其在第一状态时的翘起角度且小于其在第二状态时的翘起角度A1,也就是说,在翘起的过程中,床架从第一状态开始依次经过第三状态和第二状态。本实施例中,第三状态为零重力模式,在该模式下,使用者头部和腿部被抬起预设的角度,从而使身体各部分压力均衡分散,能有效减少脊椎承受的负担,缓解久坐、久站造成的血液循环压力。As a preferred embodiment, the bed frame also has a third state. Refer to Figures 5 and 6, which show schematic diagrams of the bed frame in the third state. The tilting angle A2 of the second frame 3 in the third state is greater than the tilting angle A1 of the second frame 3 in the first state. That is to say, during the tilting process, The bed frame starts from the first state and passes through the third state and the second state in sequence. In this embodiment, the third state is the zero-gravity mode. In this mode, the user's head and legs are lifted to a preset angle, so that the pressure on various parts of the body is evenly distributed, which can effectively reduce the burden on the spine. Relieve blood circulation pressure caused by prolonged sitting and standing.
进一步地,在第三状态时,第一框架2被配置成处于水平状态或者接近水平状态。优选的,第三状态时,第一框架2的第一端2a或者第二端2b的翘起角度为0°~3°。如此,在第三状态的零重力模式时,第一框架2对臀部的支撑更为平稳,符合人体工程学,躺卧时更为舒适,有利于消除疲劳,促进睡眠,有利于失眠人群或者睡眠困难人群的入睡。Further, in the third state, the first frame 2 is configured to be in a horizontal state or close to a horizontal state. Preferably, in the third state, the tilting angle of the first end 2a or the second end 2b of the first frame 2 is 0° to 3°. In this way, in the zero-gravity mode of the third state, the first frame 2 supports the buttocks more stably, conforms to ergonomics, and is more comfortable when lying down, which is beneficial to eliminating fatigue, promoting sleep, and is beneficial to people with insomnia or sleep disorders. People who have difficulty falling asleep.
第一框架2、第二框架3、第三框架4和第四框架9均位于基座1上方,以使得人体躺卧时能够由各框架进行支撑。The first frame 2, the second frame 3, the third frame 4 and the fourth frame 9 are all located above the base 1, so that the human body can be supported by each frame when lying down.
如上文所述,第一状态为适于人平躺的状态,此时其与普通床类似,床体处于平整状态。在一种优选的实施例中,在第一状态时,第一框架2、第二框架3、第三框架4和第四框架9的上表面平齐,且均处于水平状态。在其他实施例中,第二框架3也可以适度翘起一定角度,例如0~5°,不影响平躺即可。As mentioned above, the first state is a state suitable for people to lie flat. At this time, it is similar to an ordinary bed, and the bed body is in a flat state. In a preferred embodiment, in the first state, the upper surfaces of the first frame 2, the second frame 3, the third frame 4 and the fourth frame 9 are flush and all are in a horizontal state. In other embodiments, the second frame 3 can also be appropriately tilted to a certain angle, such as 0 to 5°, which does not affect lying flat.
作为一种优选的实施方式,在第二状态时,第二框架3的翘起角度在45°以上,优选为45°~60°,第三框架4的翘起角度在25°以下,优选为15°~25°。进一步优选的,在第二状态时,第二框架3的翘起角度为50°,此时,第三框架4的翘起角度为20°。以使得使用者在休闲姿态时,例如阅读或者看电视等情形时,能够得到合适角度的支撑,更为舒适。As a preferred embodiment, in the second state, the tilting angle of the second frame 3 is above 45°, preferably 45°-60°, and the tilting angle of the third frame 4 is below 25°, preferably 15°~25°. Further preferably, in the second state, the tilting angle of the second frame 3 is 50°, and at this time, the tilting angle of the third frame 4 is 20°. This allows the user to receive support at a suitable angle and be more comfortable in leisure postures, such as reading or watching TV.
作为一种优选的实施方式,在第三状态时,第二框架3的翘起角度为20° ~35°,第三框架4的翘起角度为20°~35°。优选的,在第三状态时,第二框架3的翘起角度为25°,第三框架4的翘起角度为30°。以使得使用者在零重力的模式下,躺卧更为舒适。As a preferred embodiment, in the third state, the tilting angle of the second frame 3 is 20°. ~35°, and the tilting angle of the third frame 4 is 20°~35°. Preferably, in the third state, the tilting angle of the second frame 3 is 25°, and the tilting angle of the third frame 4 is 30°. This allows the user to lie down more comfortably in zero-gravity mode.
在从第一状态切换至第三状态然后切换至第二状态时,第二框架3的翘起角度逐渐增大,而第三框架4的翘起角度先增大后减小,第一框架2先是第一端2a翘起,之后第二端2b翘起。从零重力模式(第三状态)的躺卧姿势变化为休闲模式(第二状态)时,腿部能够自动放下,模式切换时更为顺畅和自然,更符合人体工程学。优选的,第三状态时,第三框架4的翘起角度最大,在经过第三状态切换至第二状态的过程中,其翘起角度逐渐减小。When switching from the first state to the third state and then to the second state, the tilting angle of the second frame 3 gradually increases, while the tilting angle of the third frame 4 first increases and then decreases, and the tilting angle of the first frame 2 First, the first end 2a is lifted up, and then the second end 2b is lifted up. When changing from the lying posture in the zero-gravity mode (the third state) to the leisure mode (the second state), the legs can be lowered automatically, making the mode switching smoother, more natural, and more ergonomic. Preferably, in the third state, the tilt angle of the third frame 4 is the largest, and during the process of switching from the third state to the second state, its tilt angle gradually decreases.
在一种优选的实施方式中,在状态切换过程中,通过设置多个驱动装置(例如电机、电动推杆、电缸等)来驱动对应的框架实现运动,例如在第一框架2、第二框架3和第三框架4处均设置一个或多个电动推杆来实现各框架的角度和位置变化。In a preferred embodiment, during the state switching process, multiple driving devices (such as motors, electric pushrods, electric cylinders, etc.) are provided to drive the corresponding frames to achieve movement. For example, in the first frame 2, the second frame One or more electric push rods are provided at both the frame 3 and the third frame 4 to realize the angle and position changes of each frame.
在另一种优选的实施方式中,床架还包括联动机构以及直线驱动装置5,基座1、第一框架2、第二框架3和第三框架4均与联动机构活动连接,通过联动机构实现各框架之间动作的联动,例如,在第二框架3发生角度变化时,第一框架2、第三框架3和第四框架9在联动机构的带动下也相应地发生角度变化。直线驱动装置5用于驱动第一框架2、第二框架3和第三框架4中的一个框架运动,之后通过联动机构带动另外两个框架运动实现姿态变化。直线驱动装置5能够实现直线方向上的伸缩运动,其可以是手动的(例如手动推杆)、气动的(例如气缸)、液动的(例如液压缸)或者电动的(例如电动推杆、电缸)装置,优选的,直线驱动装置5是电动的,其只需电源即可工作,使用更为方便,且噪音小。In another preferred embodiment, the bed frame also includes a linkage mechanism and a linear drive device 5. The base 1, the first frame 2, the second frame 3 and the third frame 4 are all movably connected to the linkage mechanism. Realize the linkage of actions between the frames. For example, when the angle of the second frame 3 changes, the angles of the first frame 2, the third frame 3 and the fourth frame 9 also change accordingly, driven by the linkage mechanism. The linear drive device 5 is used to drive one of the first frame 2, the second frame 3 and the third frame 4 to move, and then drive the other two frames to move through the linkage mechanism to achieve attitude changes. The linear drive device 5 can realize telescopic movement in the linear direction, and it can be manual (such as a manual push rod), pneumatic (such as a cylinder), hydraulic (such as a hydraulic cylinder) or electric (such as an electric push rod, electric push rod). Cylinder) device, preferably, the linear drive device 5 is electric, which can work with only power supply, is more convenient to use, and has low noise.
由于采用了联动机构,因此,只需要一个直线驱动装置5就可以实现各框架的联动,直线驱动装置5的数量少,使得总体成本大大降低,同时由于可以选择空间合适的位置进行安装,安装也更为方便。另外,直线驱动装置5数量的减少还能够减轻床架乃至整个电动床的重量,更便于搬运和安装。Due to the use of a linkage mechanism, only one linear drive device 5 is needed to realize the linkage of each frame. The number of linear drive devices 5 is small, which greatly reduces the overall cost. At the same time, since the location with suitable space can be selected for installation, the installation is also simple. More convenient. In addition, reducing the number of linear drive devices 5 can also reduce the weight of the bed frame and even the entire electric bed, making it easier to transport and install.
参考图7,联动机构包括连接于基座1和第一框架2之间的第一连杆60,第一连杆60两端分别与基座1和第一框架2的第一端2a铰接,以使得第一连杆60 和基座1以及第一框架2之间能够发生相对的转动。铰接的方式不限,例如,可以采用图8所示的铰接方式,图8中,基座1和第一连杆60之间通过螺栓13实现铰接,具体而言,螺栓13具有截面尺寸较大的头部130、与头部130相连的光轴部131以及与光轴部131相连的螺纹部132,光轴部131穿设在基座1和第一连杆60上,光轴部131为圆柱轴,以使得基座1和第一连杆60能够绕着光轴部131的轴线转动,在螺纹部132上可以设置螺母133以防止第一连杆60和基座1脱离,光轴部131上可以设置台阶或者定位套134实现对第一连杆60限位。Referring to Figure 7, the linkage mechanism includes a first link 60 connected between the base 1 and the first frame 2. Both ends of the first link 60 are hinged with the base 1 and the first end 2a of the first frame 2 respectively. so that the first link 60 Relative rotation can occur between the base 1 and the first frame 2 . The hinge method is not limited. For example, the hinge method shown in Figure 8 can be used. In Figure 8 , the base 1 and the first connecting rod 60 are hinged through bolts 13. Specifically, the bolts 13 have a large cross-sectional size. The head 130, the optical axis part 131 connected to the head 130 and the threaded part 132 connected to the optical axis part 131, the optical axis part 131 is passed through the base 1 and the first link 60, the optical axis part 131 is Cylindrical shaft, so that the base 1 and the first connecting rod 60 can rotate around the axis of the optical axis part 131. A nut 133 can be provided on the threaded part 132 to prevent the first connecting rod 60 from being separated from the base 1. The optical axis part Steps or positioning sleeves 134 can be provided on 131 to limit the position of the first connecting rod 60 .
参考图7和图9,第一框架2设置有向着基座1延伸的延伸板部20以及设置在延伸板部20上的连接轴21,连接轴21用于与基座1相连,连接轴21优选位于靠近延伸板部20下端的位置。在第二框架3运动时,第一框架2的连接轴21沿着圆弧轨迹运动。在床架由第一状态切换至第二状态时,连接轴21向着第二框架3所在的方向移动(即向左移动),且在移动的过程中与基座1底面11之间的距离先减小后增大,即连接轴21在向着第二框架3所在的方向移动的过程中,同时做先向下移动后向上的移动,第一连杆60则向着第二框架3所在的方向摆动,优选其高度逐渐减小。如此,在第二框架3翘起的过程中,第一框架2的第一端2a逐渐降低,其第二端2b先降低后升高。显然的,通过改变第一连杆60、第一框架2的尺寸以及圆弧轨迹的曲率等参数,可以改变第一框架2在第二状态和第三状态时的倾斜角度的大小。Referring to Figures 7 and 9, the first frame 2 is provided with an extension plate portion 20 extending toward the base 1 and a connecting shaft 21 provided on the extending plate portion 20. The connecting shaft 21 is used to connect to the base 1. The connecting shaft 21 It is preferably located near the lower end of the extension plate portion 20 . When the second frame 3 moves, the connecting shaft 21 of the first frame 2 moves along an arc trajectory. When the bed frame switches from the first state to the second state, the connecting shaft 21 moves in the direction of the second frame 3 (that is, moves to the left), and during the movement, the distance between the connecting shaft 21 and the bottom surface 11 of the base 1 first increases. decreases and then increases, that is, while the connecting shaft 21 is moving in the direction of the second frame 3, it first moves downward and then moves upward, and the first link 60 swings in the direction of the second frame 3. , preferably its height gradually decreases. In this way, during the tilting process of the second frame 3, the first end 2a of the first frame 2 gradually lowers, and its second end 2b first lowers and then rises. Obviously, by changing parameters such as the size of the first link 60 and the first frame 2 and the curvature of the arc trajectory, the inclination angle of the first frame 2 in the second state and the third state can be changed.
实现连接轴21沿着圆弧轨迹运动的实施方式可以有多种,以下介绍两种较佳的实施方式。There are many implementation ways to realize the movement of the connecting shaft 21 along the arc trajectory. Two preferred implementation ways are introduced below.
在第一种实施方式中,参考图10,联动机构包括第二连杆61,第二连杆61两端分别与基座1和第一框架2的连接轴21铰接。第二连杆61与第一框架2的铰接点610比第二连杆61与基座1的铰接点611更低,铰接点611与圆弧轨迹的圆心位置相同,铰接点611与铰接点610之间的距离与圆弧轨迹的半径相同,以使得在第二连杆61摆动时,能够形成两端高中间低的圆弧轨迹。In the first embodiment, referring to FIG. 10 , the linkage mechanism includes a second connecting rod 61 , and both ends of the second connecting rod 61 are respectively hinged with the connecting shaft 21 of the base 1 and the first frame 2 . The hinge point 610 of the second link 61 and the first frame 2 is lower than the hinge point 611 of the second link 61 and the base 1. The hinge point 611 is at the same position as the center of the arc trajectory. The hinge point 611 is the same as the hinge point 610. The distance between them is the same as the radius of the arc trajectory, so that when the second link 61 swings, it can form an arc trajectory with high ends and a low center.
在第二种实施方式中,参考图7和图9,基座1设有圆弧形的弧形孔10,连接轴21穿设于弧形孔10内,其能够沿着弧形孔10移动,显然的,弧形孔10的形状能够限制连接轴21的移动轨迹,通过控制弧形孔10的尺寸和形状,即可使连接轴21沿着预设的圆弧轨迹移动,图7中,弧形孔10的中心线100呈圆弧 形,其两端距基座1的底面11的距离大于该中心线100底部距基座1底面11的距离,在连接轴21运动时,其沿着该中心线100移动,中心线100即可看成是它的圆弧轨迹。连接轴21可以与弧形孔10的内壁滑动配接,也可以在连接轴21上设置轴承或者滚轮等滚动件22,通过滚动件与弧形孔10间隙配合,在连接轴21运动时,能够变滑动为滚动,从而减小磨损,延长使用寿命,同时还能够降低噪音,提高运动的顺畅性。参考图9,滚动件22优选为轴承。In the second embodiment, referring to Figures 7 and 9, the base 1 is provided with an arc-shaped arc hole 10, and the connecting shaft 21 is passed through the arc hole 10 and can move along the arc hole 10. , Obviously, the shape of the arc hole 10 can limit the movement trajectory of the connecting shaft 21. By controlling the size and shape of the arc hole 10, the connecting shaft 21 can be moved along the preset arc trajectory. In Figure 7, The center line 100 of the arc hole 10 is in the form of an arc. shape, the distance between its two ends and the bottom surface 11 of the base 1 is greater than the distance between the center line 100 and the bottom surface 11 of the base 1. When the connecting shaft 21 moves, it moves along the center line 100, and the center line 100 is sufficient Think of it as its arc trajectory. The connecting shaft 21 can be slidably coupled with the inner wall of the arc hole 10, or rolling parts 22 such as bearings or rollers can be provided on the connecting shaft 21. Through the rolling parts and the arc hole 10, the connecting shaft 21 can move when the connecting shaft 21 moves. Change sliding into rolling, thereby reducing wear and extending service life. It can also reduce noise and improve the smoothness of movement. Referring to Figure 9, the rolling element 22 is preferably a bearing.
优选的,当床架处于第一状态时,第一连杆60处于竖直状态,能够起到更强的支撑效果。Preferably, when the bed frame is in the first state, the first link 60 is in a vertical state, which can provide a stronger supporting effect.
参考图11和图12,本实施例中,为实现第二框架3和第一框架2之间的联动,联动机构包括两端分别与第二框架3和基座1铰接的第三连杆70、与第一连杆60和第三连杆70均铰接的第四连杆71以及两端分别与第二框架3和第四连杆71铰接的第五连杆72。其中,第三连杆70与第二框架3和基座1之间的两个铰接点70a、70b位于第三连杆70与第四连杆71的铰接点70c的两侧,优选位于第三连杆70的两个端部。第四连杆71与第一连杆60和第五连杆72之间的两个铰接点71a、71b分别位于第四连杆71和第三连杆70的铰接点70c的两侧,优选位于第四连杆71的两个端部。进一步优选的,第三连杆70和第四连杆71的铰接点70c位于两个连杆的中部。Referring to Figures 11 and 12, in this embodiment, in order to achieve linkage between the second frame 3 and the first frame 2, the linkage mechanism includes a third link 70 with both ends hinged to the second frame 3 and the base 1 respectively. , a fourth link 71 that is hinged with both the first link 60 and the third link 70 , and a fifth link 72 that is hinged with both ends of the second frame 3 and the fourth link 71 respectively. Among them, the two hinge points 70a and 70b between the third link 70 and the second frame 3 and the base 1 are located on both sides of the hinge point 70c of the third link 70 and the fourth link 71, preferably at the third link 70. The two ends of connecting rod 70. The two hinge points 71a and 71b between the fourth link 71 and the first link 60 and the fifth link 72 are respectively located on both sides of the hinge point 70c of the fourth link 71 and the third link 70, preferably at Both ends of the fourth connecting rod 71 . Further preferably, the hinge point 70c of the third link 70 and the fourth link 71 is located in the middle of the two links.
显然的,通过控制各铰接点之间的距离,即可控制在床架状态变化过程中第二框架3相对第一框架2运动的角度和速度。作为一种优选的实施方式,在第三连杆70、第四连杆71、第一连杆60和基座1构成的四杆机构中,铰接点70c与铰接点70b之间的距离D最短,铰接点70b和铰接点60a(第一连杆60与基座1的铰接点)之间的距离E最长,且铰接点70c和铰接点71a之间的距离F与铰接点71a与铰接点60a之间的距离G的和大于距离D和距离E的和。在第二框架3、第三连杆70、第四连杆71和第五连杆72构成的四杆机构中,铰接点70a和铰接点70c之间的距离H最短,铰接点71b和铰接点72a(第五连杆72与第二框架3的铰接点)之间的距离I最长,且距离H和距离I的长度之和小于距离J和距离K的长度之和,其中,距离J为铰接点72a和铰接点70a之间的距离,距离K为铰接点71b和铰接点70c之间的距离。如此,在第二框架3与第一框架2联动时,更为稳定舒适。 Obviously, by controlling the distance between the hinge points, the angle and speed of the movement of the second frame 3 relative to the first frame 2 during the state change of the bed frame can be controlled. As a preferred embodiment, in the four-bar mechanism composed of the third link 70 , the fourth link 71 , the first link 60 and the base 1 , the distance D between the hinge point 70 c and the hinge point 70 b is the shortest. , the distance E between the hinge point 70b and the hinge point 60a (the hinge point between the first link 60 and the base 1) is the longest, and the distance F between the hinge point 70c and the hinge point 71a is the same as the hinge point 71a and the hinge point The sum of the distances G between 60a is greater than the sum of the distances D and E. In the four-bar mechanism composed of the second frame 3, the third link 70, the fourth link 71 and the fifth link 72, the distance H between the hinge point 70a and the hinge point 70c is the shortest, and the hinge point 71b and the hinge point 71b are the shortest. The distance I between 72a (the hinge point of the fifth link 72 and the second frame 3) is the longest, and the sum of the lengths of the distance H and the distance I is less than the sum of the lengths of the distance J and the distance K, where the distance J is The distance K between hinge point 72a and hinge point 70a is the distance between hinge point 71b and hinge point 70c. In this way, when the second frame 3 and the first frame 2 are linked, they are more stable and comfortable.
进一步地,参考图11和图13,为了实现第三框架4和第一框架2之间的联动,联动机构还包括第六连杆8,第六连杆8分别与基座1和第三框架4铰接,优选的,第六连杆8与基座1和第三框架4之间的铰接点8a、8b分别位于第六连杆8两端。第三框架4与第一框架2铰接,形成铰接点4a。如此,在第一框架2运动的过程中,第六连杆8能够在支撑第三框架4的同时发生摆动,从而实现第三框架4和第一框架2之间的联动。第六连杆8在第二框架3翘起的过程中始终向着第一框架2所在侧摆动,且其从竖直方向右侧摆动至竖直方向左侧,配合第一框架2的运动,可以实现在第二框架3翘起的过程中第三框架4的翘起角度先增大后减小。具体而言,由于在第一框架2向第三框架3所在侧移动的过程中,铰接点4a逐渐下降左移,铰接点8b逐渐上升,因此第六连杆8能够支撑第三框架4翘起;当第六连杆8越过竖直位置后,铰接点4a逐渐上升,铰接点8b逐渐下降,因此,第六连杆8带动第三框架4逐渐放平(即翘起角度减小)。Further, referring to Figures 11 and 13, in order to achieve linkage between the third frame 4 and the first frame 2, the linkage mechanism also includes a sixth link 8, which is connected to the base 1 and the third frame respectively. 4 is hinged. Preferably, the hinge points 8a and 8b between the sixth link 8 and the base 1 and the third frame 4 are respectively located at both ends of the sixth link 8. The third frame 4 is hinged with the first frame 2 to form a hinge point 4a. In this way, during the movement of the first frame 2 , the sixth link 8 can swing while supporting the third frame 4 , thereby realizing linkage between the third frame 4 and the first frame 2 . The sixth link 8 always swings toward the side of the first frame 2 during the tilting process of the second frame 3, and it swings from the right side of the vertical direction to the left side of the vertical direction. Cooperating with the movement of the first frame 2, it can It is realized that the tilting angle of the third frame 4 first increases and then decreases during the tilting process of the second frame 3 . Specifically, since during the movement of the first frame 2 to the side where the third frame 3 is located, the hinge point 4a gradually drops and moves to the left, and the hinge point 8b gradually rises, the sixth link 8 can support the tilting of the third frame 4 ; When the sixth link 8 crosses the vertical position, the hinge point 4a gradually rises, and the hinge point 8b gradually drops. Therefore, the sixth link 8 drives the third frame 4 to gradually flatten (that is, the tilt angle decreases).
显然的,通过控制各铰接点之间的距离,即可控制在床架的状态变化过程中第三框架4相对第一框架2运动的角度和速度。作为一种优选的实施方式,基座1设有向着第一框架2所在侧凸出的凸出部14,铰接点8a位于凸出部14上,其位于弧形孔10的右侧,且高于圆弧轨迹的圆心。在床架处于第三状态时,第六连杆8与底面11之间的夹角A7为75°~105°。进一步优选的,在床架处于第三状态时,第六连杆8位于竖直状态,此时第三框架4的翘起角度最大,且在第三框架4翘起过程中优选其角度变化速率大于其在放平时的角度变化速率,即第三框架4能够先快速翘起,后慢速放平,使用更为舒适。Obviously, by controlling the distance between the hinge points, the angle and speed of the movement of the third frame 4 relative to the first frame 2 during the state change of the bed frame can be controlled. As a preferred embodiment, the base 1 is provided with a protruding portion 14 protruding toward the side of the first frame 2. The hinge point 8a is located on the protruding portion 14, which is located on the right side of the arc-shaped hole 10 and has a high height. at the center of the arc trajectory. When the bed frame is in the third state, the angle A7 between the sixth link 8 and the bottom surface 11 is 75°˜105°. Further preferably, when the bed frame is in the third state, the sixth link 8 is in the vertical state. At this time, the tilting angle of the third frame 4 is the largest, and the angle change rate during the tilting process of the third frame 4 is preferably is greater than its angle change rate when it is flat, that is, the third frame 4 can be tilted up quickly first and then flattened slowly, making it more comfortable to use.
第四框架9一端与第三框架4铰接,另一端悬空设置。One end of the fourth frame 9 is hinged to the third frame 4, and the other end is suspended in the air.
作为一种优选的实施方式,参考图1和图2,在第一状态时,第一框架2、第二框架3、第三框架4和第四框架9的上表面平齐且处于水平状态,以使得人们能够平躺在电动床上。在第二状态时,参考图3和图4,第四框架9与第三框架4的铰接点9a的高度低于第四框架9的悬空端9b的高度,以使得人们在休闲的坐姿状态时,大腿和小腿均能够自然抬起,膝盖弯曲程度小,作为一种优选的实施方式,该状态下,第四框架9和第三框架4之间的夹角A5小于180°。在第三状态时,参考图6,铰接点9a的高度高于悬空端9b的高度,第四框架9和第三框架4之间的夹角A6小于在第二状态时两者之间的夹角A5,以使得人们在零 重力模式休息时,膝盖弯曲程度更大一些,更适合放松压力,促进睡眠。如此设置,第四框架9悬空端9b的高度在第三状态和第二状态之间切换时的变化不大(优选的,高度变化小于5cm,进一步优选的,在两种状态时,悬空端9b的高度不变),高度更为恒定,可以在减少状态变化过程中整体重心的提升,运行更为平稳,另外,可以减少床架与外部固定物(例如床板)之间的间距,降低物体或人体进入两者之间的风险。As a preferred embodiment, referring to Figures 1 and 2, in the first state, the upper surfaces of the first frame 2, the second frame 3, the third frame 4 and the fourth frame 9 are flush and in a horizontal state, So that people can lie flat on the electric bed. In the second state, with reference to Figures 3 and 4, the height of the hinge point 9a of the fourth frame 9 and the third frame 4 is lower than the height of the suspended end 9b of the fourth frame 9, so that when people are in a leisurely sitting posture , both the thigh and the calf can be lifted naturally, and the knees are bent to a small degree. As a preferred embodiment, in this state, the angle A5 between the fourth frame 9 and the third frame 4 is less than 180°. In the third state, referring to Figure 6, the height of the hinge point 9a is higher than the height of the suspended end 9b, and the angle A6 between the fourth frame 9 and the third frame 4 is smaller than the angle A6 between them in the second state. angle A5 so that people are at zero When resting in gravity mode, the knees bend to a greater degree, which is more suitable for relaxing stress and promoting sleep. In this way, the height of the suspended end 9b of the fourth frame 9 changes little when switching between the third state and the second state (preferably, the height change is less than 5cm, and further preferably, in the two states, the height of the suspended end 9b (the height remains unchanged), the height is more constant, which can reduce the overall center of gravity during state changes and make the operation more stable. In addition, it can reduce the distance between the bed frame and external fixtures (such as bed boards), lowering the weight of objects or The risk of the human body entering between the two.
为使得第四框架9和第三框架4之间能够实现联动,如图11和图14所示,联动机构还包括两端分别与延伸板部20和第四框架9铰接的第七连杆80,第七连杆80位于第三框架4下方,其与延伸板部20之间的铰接点80a位于连接轴21和铰接点4a之间,即铰接点80a的高度高于连接轴21低于铰接点4a。在第一框架2、第三框架4运动的过程中,第四框架9能够在第七连杆80的带动下相对第三框架4转动,从而改变倾斜角度。In order to enable linkage between the fourth frame 9 and the third frame 4, as shown in Figures 11 and 14, the linkage mechanism also includes a seventh link 80 whose two ends are hinged with the extension plate portion 20 and the fourth frame 9 respectively. , the seventh link 80 is located below the third frame 4, and the hinge point 80a between it and the extension plate portion 20 is located between the connecting axis 21 and the hinge point 4a, that is, the height of the hinge point 80a is higher than the connecting axis 21 and lower than the hinge. Point 4a. During the movement of the first frame 2 and the third frame 4, the fourth frame 9 can rotate relative to the third frame 4 driven by the seventh link 80, thereby changing the inclination angle.
显然的,通过控制各铰接点之间的距离,即可控制在床架的状态变化过程中第四框架9相对第三框架4运动的角度和速度。作为一种优选的实施方式,在第一框架2、第三框架4、第四框架9和第七连杆80构成的四杆机构为平行四边形连杆机构,铰接点80b(第七连杆80和第四框架9之间的铰接点)和铰接点9a(第三框架4和第四框架9之间的铰接点)的距离M与铰接点4a和铰接点80a之间的距离P相同,铰接点80a和铰接点80b之间的距离N与铰接点9a和铰接点4a之间的距离O相同。当然,不限于是平行四边形机构,可以视情况调整各铰接点之间的长度,以使得第四框架9能够在床架的各状态达到需要的位置。Obviously, by controlling the distance between the hinge points, the angle and speed of the movement of the fourth frame 9 relative to the third frame 4 during the state change of the bed frame can be controlled. As a preferred embodiment, the four-bar mechanism formed by the first frame 2, the third frame 4, the fourth frame 9 and the seventh link 80 is a parallelogram link mechanism, and the hinge point 80b (the seventh link 80 The distance M between the hinge point 4 and the fourth frame 9) and the hinge point 9a (the hinge point between the third frame 4 and the fourth frame 9) is the same as the distance P between the hinge point 4a and the hinge point 80a. The distance N between point 80a and hinge point 80b is the same as the distance O between hinge point 9a and hinge point 4a. Of course, it is not limited to a parallelogram mechanism, and the lengths between the hinge points can be adjusted as appropriate so that the fourth frame 9 can reach the required position in each state of the bed frame.
作为一种优选的实施方式,直线驱动装置5为电动推杆,其连接于第二框架3和基座1之间。具体的,参考图5,第二框架3包括第一横杆30以及连接在第一横杆30两侧的两个侧杆31,基座1包括与第一横杆30平行设置的第二横杆12,直线驱动装置5包括本体50以及与本体50相连的伸缩杆51,伸缩杆51能够相对本体50做伸缩运动,本体50底部与第二横杆12铰接,伸缩杆51端部与第一横杆30铰接。在伸缩杆51伸出时,能够驱动第二框架3翘起,并逐渐拉大与第一框架2之间的距离。由于第二框架3需要承载背部,同时需要翘起较大的角度,因此,将直线驱动装置5设置在第二框架3和基座1之间,能够更直接的推动第二框架3运动,工作更为可靠。 As a preferred embodiment, the linear drive device 5 is an electric push rod, which is connected between the second frame 3 and the base 1 . Specifically, referring to FIG. 5 , the second frame 3 includes a first cross bar 30 and two side bars 31 connected on both sides of the first cross bar 30 . The base 1 includes a second cross bar disposed parallel to the first cross bar 30 . Rod 12, the linear drive device 5 includes a body 50 and a telescopic rod 51 connected to the body 50. The telescopic rod 51 can telescopically move relative to the body 50. The bottom of the body 50 is hinged with the second crossbar 12, and the end of the telescopic rod 51 is connected to the first horizontal rod 12. The crossbar 30 is articulated. When the telescopic rod 51 extends, it can drive the second frame 3 to tilt and gradually increase the distance from the first frame 2 . Since the second frame 3 needs to carry the back and needs to be tilted at a larger angle, the linear drive device 5 is arranged between the second frame 3 and the base 1 to more directly promote the movement of the second frame 3 and work. More reliable.
可以理解的是,由于床架能够在联动机构的带动下整体变形,因此,在床架在使用时,其基座1可以直接放置在床板或者地面等固定物上,无需与固定物固定,一方面,其安装更为方便,另一方面,即使在第二框架3、第二框架3、第三框架9与固定物之间存在人或物,床架在变形的过程中也不会夹伤人或者物,安全性更高。当然,为了使得床架整体更为稳定,基座1也可以固定连接在固定物上。It can be understood that since the bed frame can be deformed as a whole under the drive of the linkage mechanism, when the bed frame is in use, its base 1 can be directly placed on a fixed object such as a bed board or the ground without being fixed to the fixed object. On the one hand, its installation is more convenient; on the other hand, even if there are people or objects between the second frame 3, the second frame 3, the third frame 9 and the fixed objects, the bed frame will not be pinched during the deformation process. People or things are safer. Of course, in order to make the bed frame as a whole more stable, the base 1 can also be fixedly connected to a fixed object.
作为一种优选的实施方式,参考图2,在第一状态时,第二框架3与基座1在高度方向上间隔设置,且其大部分悬空于基座1外部,仅部分与基座1相对设置,优选的,第二框架3与基座1相对设置的部分的长度L1的取值范围为8cm~15cm,进一步优选为11.5cm。由于第二框架3在第一状态时大致和基座1平行设置,且第二框架3大部分位于基座1外部,因此,第二框架3和基座1之间不会形成剪切结构,在第二框架3放平的过程中,不容易夹住和夹伤位于其和基座1之间的人或物,更为安全。特别是当床架由柔性材料包裹形成床垫后,手指不会进入第二框架3与基座1相对设置的部分之间,安全性更高。As a preferred embodiment, referring to Figure 2, in the first state, the second frame 3 is spaced apart from the base 1 in the height direction, and most of it is suspended outside the base 1, and only part of it is connected to the base 1. For relative arrangement, preferably, the length L1 of the portion of the second frame 3 opposite to the base 1 ranges from 8 cm to 15 cm, and is further preferably 11.5 cm. Since the second frame 3 is approximately parallel to the base 1 in the first state, and most of the second frame 3 is located outside the base 1, there is no shear structure formed between the second frame 3 and the base 1. When the second frame 3 is laid flat, it is not easy to pinch or injure people or objects located between it and the base 1, which is safer. Especially when the bed frame is wrapped with flexible materials to form a mattress, fingers will not enter between the opposite parts of the second frame 3 and the base 1, and the safety is higher.
作为一种优选的实施方式中,联动机构的数量为两组或多组,其沿着床架宽度方向间隔设置,以提供更强的支撑性能,本申请的附图中示出的联动机构为两组,且对称设置在床架的两侧。可以理解的是,在强度和刚度允许的情况下,在联动机构的数量也可以为一组。As a preferred embodiment, the number of linkage mechanisms is two or more groups, which are spaced along the width direction of the bed frame to provide stronger support performance. The linkage mechanisms shown in the drawings of this application are Two groups are arranged symmetrically on both sides of the bed frame. It can be understood that, if the strength and stiffness permit, the number of linkage mechanisms can also be one group.
作为一种优选的实施方式,在第一框架2和第四框架9之间或者基座1和第四框架9之间设置有气弹簧,气弹簧两端分别与第一框架2(或者基座1)和第四框架9铰接,能够在第四框架9运动的过程中起到缓冲和支撑的作用,进而使得床架在变形时整体运动更为平稳,使用更为舒适。As a preferred embodiment, a gas spring is provided between the first frame 2 and the fourth frame 9 or between the base 1 and the fourth frame 9. Both ends of the gas spring are respectively connected with the first frame 2 (or the base). 1) It is hinged with the fourth frame 9 and can play a buffering and supporting role during the movement of the fourth frame 9, thereby making the overall movement of the bed frame more stable during deformation and making it more comfortable to use.
可以理解的是,第一框架2、第二框架3和第四框架9的具体形状、结构不限,例如各框架均可以包括位于两侧的两个侧杆31,为加强强度,可以在各框架的两个侧杆31之间连接类似上述的第一横杆30的加强杆,或者可以在两个侧杆31表面连接支撑板,在加强强度和刚度的同时更便于支撑人体。It can be understood that the specific shapes and structures of the first frame 2 , the second frame 3 and the fourth frame 9 are not limited. For example, each frame may include two side bars 31 on both sides. In order to enhance the strength, they may be placed on each side. A reinforcing rod similar to the above-mentioned first cross bar 30 is connected between the two side bars 31 of the frame, or a support plate can be connected on the surface of the two side bars 31 to enhance the strength and rigidity while making it easier to support the human body.
本发明还提出了一种床垫,其包括上文所述的床架,床垫还包括包覆于床架外部的柔性材料和/或设于床架表面的柔性垫,人体躺卧于床垫时更为舒适。柔性材料具有弹性,能够在床架变形时相应的发生形变。 The present invention also proposes a mattress, which includes the bed frame described above. The mattress also includes a flexible material covering the outside of the bed frame and/or a flexible pad provided on the surface of the bed frame. The human body lies on the bed. More comfortable when padded. Flexible materials are elastic and can deform accordingly when the bed frame deforms.
本发明还提出了一种电动床,其包括上文所述的床架或者床垫。The present invention also provides an electric bed, which includes the above-mentioned bed frame or mattress.
进一步地,电动床还包括床板,床架或者床垫可以直接放置于床板上,不与床板固定连接,或者,床架或者床垫通过基座1固定在床板上。Furthermore, the electric bed also includes a bed board. The bed frame or mattress can be placed directly on the bed board without being fixedly connected to the bed board. Alternatively, the bed frame or mattress can be fixed on the bed board through the base 1 .
上述仅为本发明的具体实施方式,其它基于本发明构思的前提下做出的任何改进都视为本发明的保护范围。 The above are only specific embodiments of the present invention, and any other improvements made based on the concept of the present invention are deemed to be within the protection scope of the present invention.

Claims (19)

  1. 一种床架,其特征在于,包括:A bed frame is characterized by including:
    基座(1);base(1);
    第一框架(2),用于支撑人体臀部,所述第一框架(2)与所述基座(1)活动连接;The first frame (2) is used to support the human body's buttocks, and the first frame (2) is movably connected to the base (1);
    第二框架(3),用于支撑人体背部,所述第二框架(3)与所述第一框架(2)的第一端(2a)活动连接;The second frame (3) is used to support the back of the human body, and the second frame (3) is movably connected to the first end (2a) of the first frame (2);
    第三框架(4),用于支撑人体大腿部,所述第三框架(4)与所述第一框架(2)的第二端(2b)活动连接;以及,The third frame (4) is used to support the human thigh, the third frame (4) is movably connected with the second end (2b) of the first frame (2); and,
    第四框架(9),用于支撑人体小腿部,所述第四框架(9)一端与所述第三框架(4)铰接,另一端悬空设置;The fourth frame (9) is used to support the lower leg of the human body. One end of the fourth frame (9) is hinged with the third frame (4), and the other end is suspended in the air;
    所述床架具有第一状态和第二状态,所述第一框架(2)和所述第三框架(4)在所述第一状态时的翘起角度小于其在所述第二状态时的翘起角度,并且在所述第二状态时,所述第一框架(2)的第二端(2b)翘起。The bed frame has a first state and a second state, and the tilting angles of the first frame (2) and the third frame (4) in the first state are smaller than those in the second state. the tilting angle, and in the second state, the second end (2b) of the first frame (2) is tilted.
  2. 如权利要求1所述的床架,其特征在于,所述床架从第一状态切换至第二状态的过程中,所述第一框架(2)和所述第二框架(3)之间的距离逐渐增大。The bed frame according to claim 1, characterized in that when the bed frame is switched from the first state to the second state, there is a gap between the first frame (2) and the second frame (3). The distance gradually increases.
  3. 如权利要求1所述的床架,其特征在于,其还具有第三状态,所述第二框架(3)在所述第三状态时的翘起角度大于其在所述第一状态时的翘起角度且小于其在所述第二状态时的翘起角度;The bed frame according to claim 1, characterized in that it also has a third state, and the tilting angle of the second frame (3) in the third state is greater than that of the second frame (3) in the first state. The tilting angle is smaller than the tilting angle in the second state;
    所述第三框架(4)在所述第二状态时的翘起角度小于其在所述第三状态时的翘起角度。The tilting angle of the third frame (4) in the second state is smaller than the tilting angle of the third frame (4) in the third state.
  4. 如权利要求3所述的床架,其特征在于,在所述第三状态时,所述第一框架(2)的第一端(2a)或者第二端(2b)的翘起角度为0°~3°。The bed frame according to claim 3, characterized in that in the third state, the tilting angle of the first end (2a) or the second end (2b) of the first frame (2) is 0 °~3°.
  5. 如权利要求3所述的床架,其特征在于,The bed frame as claimed in claim 3, characterized in that:
    在所述第一状态时,所述第一框架(2)、所述第二框架(3)、所述第三框架(4)和所述第四框架(9)的上表面平齐;In the first state, the upper surfaces of the first frame (2), the second frame (3), the third frame (4) and the fourth frame (9) are flush;
    在所述第二状态时,所述第二框架(3)的翘起角度为45°~60°,所述 第三框架(4)的翘起角度为15°~25°;In the second state, the tilting angle of the second frame (3) is 45° to 60°. The tilting angle of the third frame (4) is 15° to 25°;
    在所述第三状态时,所述第二框架(3)的翘起角度为20°~35°,所述第三框架(4)的翘起角度为20°~35°。In the third state, the tilting angle of the second frame (3) is 20°-35°, and the tilting angle of the third frame (4) is 20°-35°.
  6. 如权利要求3所述的床架,其特征在于,The bed frame as claimed in claim 3, characterized in that:
    在所述第一状态时,所述第一框架(2)、第二框架(3)、第三框架(4)和所述第四框架(9)的上表面平齐,且处于水平状态;In the first state, the upper surfaces of the first frame (2), the second frame (3), the third frame (4) and the fourth frame (9) are flush and in a horizontal state;
    在所述第二状态时,所述第四框架(9)与所述第三框架(4)的铰接点低于所述第四框架(9)的悬空端(9b);In the second state, the hinge point of the fourth frame (9) and the third frame (4) is lower than the suspended end (9b) of the fourth frame (9);
    在所述第三状态时,所述第四框架(9)与所述第三框架(4)的铰接点高于所述第四框架(9)的悬空端(9b)。In the third state, the hinge point of the fourth frame (9) and the third frame (4) is higher than the suspended end (9b) of the fourth frame (9).
  7. 如权利要求1所述的床架,其特征在于,其还包括气弹簧,所述气弹簧连接于所述第一框架(2)和所述第四框架(9)之间,或者,所述气弹簧连接于所述基座(1)和所述第四框架(9)之间。The bed frame according to claim 1, further comprising a gas spring connected between the first frame (2) and the fourth frame (9), or the A gas spring is connected between the base (1) and the fourth frame (9).
  8. 如权利要求1所述的床架,其特征在于,在所述第一状态时,所述第二框架(3)部分与所述基座(1)相对设置,所述第二框架(3)与所述基座(1)之间在高度方向上具有间隔,且所述第二框架(3)和所述基座(1)相对设置的部分的长度范围为8cm~15cm。The bed frame according to claim 1, characterized in that, in the first state, the second frame (3) is partially disposed opposite to the base (1), and the second frame (3) There is a distance from the base (1) in the height direction, and the length of the portion of the second frame (3) opposite to the base (1) ranges from 8 cm to 15 cm.
  9. 如权利要求1至8任一项所述的床架,其特征在于,其还包括联动机构,所述基座(1)、第一框架(2)、第二框架(3)、第三框架(4)和第四框架(9)均与所述联动机构活动连接,在所述第一框架(2)、第二框架(3)、第三框架(4)和所述第四框架(9)其中之一被驱动运动时,其余框架在所述联动机构的带动下运动。The bed frame according to any one of claims 1 to 8, characterized in that it also includes a linkage mechanism, the base (1), the first frame (2), the second frame (3), the third frame (4) and the fourth frame (9) are both movably connected with the linkage mechanism. Between the first frame (2), the second frame (3), the third frame (4) and the fourth frame (9) ) When one of them is driven to move, the other frames move under the drive of the linkage mechanism.
  10. 如权利要求9所述的床架,其特征在于,所述联动机构包括第一连杆(60),所述第一连杆(60)与所述基座(1)和所述第一框架(2)的第一端(2a)铰接,所述第一框架(2)包括与所述基座(1)活动连接的连接轴(21),在所述床架由第一状态切换至第二状态时,所述连接轴(21)沿着圆弧轨迹向着所述第二框架(3)所在侧移动,且在移动的过程中与所述基座(1)底面(11)之间的距离先减小后增大。The bed frame according to claim 9, characterized in that the linkage mechanism includes a first connecting rod (60), the first connecting rod (60) is connected with the base (1) and the first frame. The first end (2a) of (2) is hinged, and the first frame (2) includes a connecting shaft (21) movably connected with the base (1). When the bed frame switches from the first state to the third In the second state, the connecting shaft (21) moves along an arc trajectory toward the side of the second frame (3), and during the movement, the connecting shaft (21) and the bottom surface (11) of the base (1) The distance first decreases and then increases.
  11. 如权利要求10所述的床架,其特征在于,所述联动机构包括第二连杆 (61),所述第二连杆(61)与所述延伸板部(20)和所述基座(1)铰接;或者,The bed frame of claim 10, wherein the linkage mechanism includes a second link (61), the second connecting rod (61) is hingedly connected to the extension plate portion (20) and the base (1); or,
    所述基座(1)设有圆弧形的弧形孔(10),所述连接轴(20)穿设于所述弧形孔(10)内,所述弧形孔(10)限制所述连接轴(20)沿着所述弧形孔(10)的中心线(100)移动。The base (1) is provided with a circular arc-shaped hole (10), the connecting shaft (20) is inserted into the arc-shaped hole (10), and the arc-shaped hole (10) limits the The connecting shaft (20) moves along the center line (100) of the arc-shaped hole (10).
  12. 如权利要求10所述的床架,其特征在于,所述联动机构包括与所述第二框架(3)和所述基座(1)铰接的第三连杆(70)、与所述第一连杆(60)和所述第三连杆(70)铰接的第四连杆(71)以及分别与所述第二框架(3)和所述第四连杆(71)铰接的第五连杆(72),所述第四连杆(71)和所述第一连杆(60)之间的铰接点以及所述第四连杆(71)和所述第五连杆(72)之间的铰接点分别位于所述第三连杆(70)和所述第四连杆(71)之间的铰接点的两侧。The bed frame according to claim 10, characterized in that the linkage mechanism includes a third link (70) hinged with the second frame (3) and the base (1), A fourth connecting rod (71) hinged to a connecting rod (60) and the third connecting rod (70), and a fifth connecting rod (71) hinged to the second frame (3) and the fourth connecting rod (71) respectively. Connecting rod (72), the hinge point between the fourth connecting rod (71) and the first connecting rod (60) and the fourth connecting rod (71) and the fifth connecting rod (72) The hinge points are respectively located on both sides of the hinge point between the third link (70) and the fourth link (71).
  13. 如权利要求10所述的床架,其特征在于,所述第三框架(4)与所述第一框架(2)的第二端(2b)铰接,所述联动机构包括第六连杆(8),所述第六连杆(8)与所述基座(1)和所述第三框架(4)铰接。The bed frame according to claim 10, wherein the third frame (4) is hingedly connected to the second end (2b) of the first frame (2), and the linkage mechanism includes a sixth connecting rod ( 8), the sixth connecting rod (8) is hingedly connected with the base (1) and the third frame (4).
  14. 如权利要求13所述的床架,其特征在于,在所述第三状态时,所述第六连杆(8)与所述底面(11)之间的夹角为75°~105°。The bed frame according to claim 13, characterized in that, in the third state, the angle between the sixth connecting rod (8) and the bottom surface (11) is 75° to 105°.
  15. 如权利要求9所述的床架,其特征在于,所述联动机构包括第七连杆(80),所述第七连杆(80)与所述第一框架(2)和所述第四框架(9)铰接。The bed frame according to claim 9, characterized in that the linkage mechanism includes a seventh link (80), the seventh link (80) is connected with the first frame (2) and the fourth The frame (9) is hinged.
  16. 如权利要求9所述的床架,其特征在于,其还包括连接于所述基座(1)和所述第二框架(3)之间的直线驱动装置(5),所述直线驱动装置(5)为电动的、液动的、气动的或者手动的。The bed frame according to claim 9, further comprising a linear drive device (5) connected between the base (1) and the second frame (3), the linear drive device (5) It is electric, hydraulic, pneumatic or manual.
  17. 如权利要求9所述的床架,其特征在于,所述床架使用时,放置于外部的固定物上,且不与所述固定物固定连接;或者,所述床架使用时,所述基座(1)与外部的固定物固定连接。The bed frame according to claim 9, characterized in that, when the bed frame is in use, it is placed on an external fixture and is not fixedly connected to the fixture; or, when the bed frame is in use, the The base (1) is fixedly connected to an external fixture.
  18. 一种床垫,其特征在于,包括如权利要求1至17任一项所述的床架。A mattress, characterized by comprising the bed frame according to any one of claims 1 to 17.
  19. 一种电动床,其特征在于,包括如权利要求1至17任一项所述的床架或者包括如权利要求18所述的床垫。 An electric bed, characterized in that it includes the bed frame according to any one of claims 1 to 17 or the mattress according to claim 18.
PCT/CN2023/082635 2022-04-19 2023-03-21 Bed frame, mattress and electric bed WO2023202301A1 (en)

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CN202210412159.9 2022-04-19

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