A drive mechanism, bed frame, storage bed and method of operating a bed

Abstract

The application discloses a driving mechanism, a bed frame, a storage bed and a control method of the bed, which comprises a connecting rod assembly, a driving member, a pneumatic rod and a fixed plate. The connecting rod assembly comprises a first connecting rod, a rotating connecting rod hinged to one end of the first connecting rod, a mounting plate hinged to an end of the rotating connecting rod away from the first connecting rod, and a second connecting rod hinged to the rotating connecting rod. The driving member comprises a fixed rod and a telescopic rod. An end of the fixed rod of the driving member is hinged to the fixed plate, and an end of the telescopic rod of the driving member is hinged to the rotating connecting rod. The pneumatic rod comprises a pressure pipe and a piston rod. An end of the piston rod is hinged to the fixed plate, and an end of the pressure pipe away from the hinged end of the piston rod is hinged to the mounting plate. The driving member is located between the second connecting rod and the pneumatic rod. The storage bed has the advantages of being adjustable and having multiple use states.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of furniture, in particular to a driving mechanism, a multi-posture bed frame, a storage bed and a bed control method. BACKGROUND

[0002] With the development of the home industry, people have more and more functional requirements for beds. The current market electric storage bed, after pressing the switch on button, the motor drives, which will drive the mattress tail to rise up, and when reaching a certain angle, it will be locked in the raised state, at this time the goods can be put in, and the switch off button is pressed again, the bed plate resets.

[0003] The current market electric storage bed frame only has one raised posture, and the space for operation is small when putting in goods, which is very inconvenient to use, and the user experience is not good.

[0004] Based on the above problems, it is necessary to develop a new bed frame structure to improve the use convenience of the storage bed. SUMMARY

[0005] In order to solve the above technical problems, the present application provides a driving mechanism, a bed frame, a storage bed and a bed control method, which can increase the operation convenience and improve the user experience.

[0006] In a first aspect, the present application provides a driving mechanism, which adopts the following technical scheme: a driving mechanism, comprising: a connecting rod assembly, comprising a first connecting rod and a rotating connecting rod hinged to one end of the first connecting rod, the end of the rotating connecting rod away from the first connecting rod being hinged to a mounting plate, the rotating connecting rod further being hinged to a second connecting rod, the end of the second connecting rod away from the rotating connecting rod being hinged to a fixed plate; a driving member, comprising a fixed rod and a telescopic rod, the free end of the telescopic rod being hinged to the rotating connecting rod, one end of the fixed rod away from the free end of the telescopic rod being hinged to the fixed plate; a pneumatic rod, comprising a pressure pipe and a piston rod, the free end of the piston rod being hinged to the fixed plate, one end of the pressure pipe away from the free end of the piston rod being hinged to the mounting plate; wherein the driving member is located between the second connecting rod and the pneumatic rod.

[0007] By adopting the above technical scheme, when the free end of the first connecting rod and the fixed plate are fixed, the driving member can drive the rotary connecting rod of the connecting rod assembly to perform rotary motion relative to the first connecting rod, in the rotary motion process of the rotary connecting rod, the pneumatic rod is elongated along with the rotation of the mounting plate, when the rotary connecting rod rotates relative to the first connecting rod by more than a certain angle, the pneumatic rod is no longer elongated, thereby limiting the movement of the mounting plate and the hinge point position of the pneumatic rod. When the telescopic rod of the driving member continues to push the rotary connecting rod to move, the rotary connecting rod continues to rotate relative to the first connecting rod, the mounting plate rotates around the hinge point of the pneumatic rod and the mounting plate, thereby realizing the rotation of the mounting plate relative to the rotary connecting rod and realizing the different transformation of the relative position between the mounting plate and the rotary connecting rod.

[0008] In combination with the first aspect, in a further implementation form of the first aspect, the first connecting rod is provided with a guide groove, and the mounting plate is provided with a guide column, the guide column is arranged to limit the relative position of the mounting plate and the first connecting rod when being located in the guide groove.

[0009] By adopting the above technical scheme, when the connecting rod assembly is in a state that the mounting plate and the rotary connecting rod are folded together in the rotary process, the guide column is located in the guide groove, which can limit the relative rotation of the mounting plate and the rotary connecting rod under external force, and ensure the stability of the use state.

[0010] In combination with the first aspect, in a further implementation form of the first aspect, when the rotary connecting rod rotates relative to the first connecting rod by more than a certain angle, the guide column is separated from the guide groove, and the mounting plate can rotate relative to the rotary connecting rod.

[0011] By adopting the above technical scheme, in the rotary process of the connecting rod assembly, the guide column slides in the guide groove, when the rotary connecting rod rotates relative to the first connecting rod by more than a certain angle, the guide column is separated from the guide groove, at this time, the mounting plate can rotate relative to the rotary connecting rod, thereby the conversion of multiple use states of the driving mechanism can be realized.

[0012] In combination with the first aspect, in a further implementation form of the first aspect, the mounting plate is provided with a guide plate, a gap is arranged between the guide plate and the mounting plate, and the gap is used for clamping the rotary connecting rod when the mounting plate and the rotary connecting rod are folded.

[0013] By adopting the above technical scheme, when the connecting rod assembly is in a state that the mounting plate and the rotary connecting rod are folded together in the rotary process, the guide plate can clamp the rotary connecting rod between the mounting plate and the guide plate, and can limit the movement of the rotary connecting rod and the mounting plate away from the direction of the abutting surface, so that the connecting rod assembly is more stable and damage of the connecting rod assembly is prevented.

[0014] In combination with the first aspect, in a further implementation form of the first aspect, the mounting plate is provided with a limiting groove / limiting column, and the rotary connecting rod is provided with a limiting column / limiting groove, when the mounting plate and the rotary connecting rod rotate relative to each other, the limiting column is always located in the limiting groove.

[0015] By adopting the technical scheme, when the mounting plate rotates relative to the rotating link, the stable connection between the two can be ensured, the relative rotation can be guided, and the phenomenon that the two cannot rotate due to being stuck during rotation can be prevented. In addition, the rotation angle between the mounting plate and the rotating link can be limited, and the rotation of the mounting plate relative to the rotating link within an acute angle range can be ensured.

[0016] In a second aspect, a bed frame is provided, which comprises a mattress frame, a bed frame, and a driving mechanism as described in the first aspect. The mattress frame is fixedly connected with the mounting plate, and the fixed plate and the first link are fixedly connected with the end of the rotating link away from the rotating link. Under the driving of the driving member, the mattress frame has three relatively stable use states, i.e., a retracted posture in which the mattress frame is accommodated on the bed frame, an inclined posture in which the mattress frame forms an angle with the upper end surface of the bed frame, and a horizontal posture in which the mattress frame is located above the bed frame.

[0017] By adopting the technical scheme, the extension of the telescopic rod of the driving member drives the rotating movement of the link assembly. In the retracted posture, the angle between the rotating link and the first link gradually increases, and the pneumatic rod is continuously elongated along with the rotation of the rotating link. When the rotating link rotates to a set angle, the driving member stops working, and the mattress frame is in the inclined posture in which the mattress frame forms an angle with the upper end surface of the bed frame. When the driving member continues to work to drive the rotating link to rotate, the pneumatic rod no longer elongates, the mounting plate rotates around the hinge point between the pneumatic rod and the mounting plate, and when the mattress frame is parallel to the upper end surface of the bed frame, the driving member stops working, and the mattress frame is in the horizontal posture. When the mattress frame changes from the horizontal posture to the inclined posture and the retracted posture, the telescopic rod of the driving member is retracted to drive the rotating link to rotate reversely, the length of the pneumatic rod does not change, the mounting plate rotates to overlap with the rotating link, the telescopic rod of the driving member stops moving, and the mattress frame is in the inclined posture. When the telescopic rod of the driving member continues to contract, the pneumatic rod follows the contraction, the angle between the rotating link and the first link becomes smaller, and when the mattress frame is in the retracted posture, the driving member stops working. The bed frame has a simple structure, is convenient to install, and is convenient to disassemble, replace, maintain, and adjust.

[0018] In combination with the second aspect, in a further scheme, when the mattress frame is in the retracted posture and the inclined posture, the rotating link and the mounting plate are folded and relatively stable; and when the mattress frame is in the horizontal posture, the mounting plate forms an angle with the rotating link.

[0019] By adopting the technical scheme, in the process of changing from the retracted posture to the inclined posture, the rotating connecting rod and the mounting plate are in a folded state and the relative positional relationship between the two is limited by the related structure, so that the relative stability of the two during rotation is ensured. When changing from the inclined posture to the horizontal posture, the mounting plate is separated from the rotating connecting rod and is rotated to an angle along the position of the mounting plate hinge point of the pneumatic rod to be approximately parallel to the upper end surface of the bed frame, that is, the mattress frame is in an approximately horizontal position. The posture conversion of the mattress frame is realized through the relative positional relationship between the rotating connecting rod and the mounting plate, and the structure is simple and reliable.

[0020] In a third aspect, a storage bed is provided, including the bed frame as described in the second aspect, and further including a controller configured to control the driving member to work to make the mattress frame achieve any one of the retracted posture, the inclined posture and the horizontal posture; when the mattress frame is in the retracted posture, the mattress frame and the bed frame enclose a storage space.

[0021] By adopting the technical scheme, in the inclined posture, the rotating connecting rod and the mounting plate are clamped together and kept stable under the action of the driving member and the pneumatic rod, at which time the articles to be stored can be placed in the bed frame or the articles in the bed frame can be taken out from the inclined opening of the mattress frame. When the inclined posture cannot meet the needs of placing articles, the bed can be adjusted to the horizontal posture, at which time the mattress frame is horizontally suspended above the bed frame, at which time the articles can be placed or taken out from the space between the mattress frame and the bed frame. Thus, the storage bed can realize multi-posture conversion to meet the use needs in multiple use scenarios.

[0022] In combination with the third aspect, a further scheme further includes a mattress, and a center of gravity of the mattress is located between the end of the mattress frame away from the first connecting rod and the hinge point of the pneumatic rod and the mounting plate.

[0023] By adopting the technical scheme, in the inclined posture, the center of gravity of the mattress is located between the higher end of the mattress frame and the hinge point of the pneumatic rod and the mounting plate, so that when the driving member drives the mattress frame from the retracted posture to the inclined posture, the resistance arm of the mattress gradually becomes smaller, and the load of the driving member also gradually becomes smaller; in the process of driving the mattress frame from the inclined posture to the horizontal posture, the power arm of the mattress gradually becomes larger, and the driving member bears very small load in this process, the force on the driving member is reasonable, the load of the driving member is reduced, and the service life of the driving member is improved.

[0024] In a fourth aspect, the application provides a control method of a bed, which is suitable for the storage bed of the third aspect, and comprises the following steps: inclination posture adjustment: the controller controls the driving member to work, the telescopic rod is elongated and pushes the rotary connecting rod and the mounting plate to rotate relative to the first connecting rod, the included angle between the rotary connecting rod and the first connecting rod gradually increases, the pneumatic rod is elongated along with the rotation of the mounting plate, the mounting plate drives the mattress frame and the mattress to rotate to a set angle; horizontal posture adjustment: in the inclination posture, the telescopic rod is continuously elongated and pushes the rotary connecting rod to continuously rotate, the included angle between the rotary connecting rod and the first connecting rod continuously increases, the pneumatic rod is no longer elongated, and the mounting plate rotates to a set angle relative to the rotary connecting rod; retraction posture adjustment: when in the inclination posture, the controller controls the driving member to work, the telescopic rod of the driving member is retracted to drive the rotary connecting rod and the mounting plate to rotate relative to the first connecting rod, the included angle between the rotary connecting rod and the first connecting rod gradually decreases, the pneumatic rod is retracted along with the rotation of the mounting plate, and the mounting plate drives the mattress frame and the mattress to rotate and be stored on the bed frame; when in the horizontal posture, the telescopic rod is retracted to drive the rotary connecting rod to rotate relative to the first connecting rod, the included angle between the rotary connecting rod and the first connecting rod gradually decreases, the length of the pneumatic rod is unchanged, the mounting plate rotates relative to the rotary connecting rod, the included angle between the mounting plate and the rotary connecting rod gradually decreases until overlapping, and the mounting plate drives the mattress frame and the mattress to rotate to the inclination posture; in the inclination posture, the telescopic rod of the driving member is continuously retracted to drive the rotary connecting rod and the mounting plate to rotate relative to the first connecting rod, the included angle between the rotary connecting rod and the first connecting rod gradually decreases, the pneumatic rod is retracted along with the rotation of the mounting plate, and the mounting plate drives the mattress frame and the mattress to rotate and be stored on the bed frame.

[0025] By adopting the above technical scheme, the bed can be controlled and adjusted by the controller, the bed has multiple use states of the retraction posture, the inclination posture and the horizontal posture, the control method is simple and convenient, and the control fun and experience of the user are improved.

[0026] In summary, the application has at least one of the following beneficial technical effects:

[0027] 1. The driving mechanism of the application can realize the position change of the rotary connecting rod and the mounting plate through the driving member, the pneumatic rod and the connecting rod assembly, and has simple and reliable structure.

[0028] 2. The multi-posture bed frame has three posture adjustments, meets multiple use requirements of the user, has stronger practicality, has wider application scenarios, and improves the experience of the user.

[0029] 3. The bed frame of the application has simple structure, is convenient to install, and is convenient to disassemble, replace, maintain and adjust.

[0030] 4. The storage bed of the application can realize multi-posture conversion to meet the use requirements in multiple use scenarios.

[0031] 5、The control method of the bed can realize various use states by controlling the bed through the controller, the control method is simple and convenient, and the control fun and experience of users are improved. BRIEF DESCRIPTION OF DRAWINGS

[0032] Figure 1 is a structural schematic diagram of a retracted posture of a driving mechanism of the application;

[0033] Figure 2 is Figure 1 is an enlarged structural schematic diagram of position A in FIG. 6;

[0034] Figure 3 is a structural schematic diagram of a tilted posture of a driving mechanism of the application;

[0035] Figure 4 is Figure 3 is an enlarged structural schematic diagram of position B in FIG. 7;

[0036] Figure 5 is a structural schematic diagram of a horizontal posture of a driving mechanism of the application;

[0037] Figure 6 is Figure 5 is an enlarged structural schematic diagram of position C in FIG. 8;

[0038] Figure 7 is an assembly structural schematic diagram of a driving mechanism, a connecting frame and a mattress frame of the application;

[0039] Figure 8 is a structural schematic diagram of a mattress frame of the application;

[0040] Figure 9 is a structural schematic diagram of a retracted posture of a multi-posture bed frame of the application;

[0041] Figure 10 is a structural schematic diagram of a tilted posture of a multi-posture bed frame of the application;

[0042] Figure 11 is a structural schematic diagram of a horizontal posture of a multi-posture bed frame of the application.

[0043] REFERENCE SIGNS:

[0044] 1, drive mechanism; 11, first connecting rod; 110, first rotating shaft; 111, guide groove; 112, positioning portion; 12, second connecting rod; 13, driving piece; 131, telescopic rod; 132, fixed rod; 133, motor; 14, rotating connecting rod; 140, limiting portion; 141, limiting column; 142, second rotating shaft; 15, mounting plate; 150, guide column; 151, guide plate; 152, limiting groove; 16, pneumatic rod; 161, piston rod; 162, pressure pipe; 17, fixed plate; 18, triangular plate; 2, mattress frame; 21, support; 22, rib frame; 3, connecting frame; 4, bed frame; 41, coaming; 42, supporting piece; 43, back plate. DETAILED DESCRIPTION

[0045] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the following will further describe the present application with reference to the accompanying drawings. The components of the embodiments of the present application described and shown in the accompanying drawings can be arranged and designed in various different configurations. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work shall fall within the scope of protection of the present application.

[0046] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings.

[0047] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connection" and "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the connection between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0048] In the description of the present application, it should be understood that the terms "up", "down", "left", "right" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the present application.

[0049] The following will describe some embodiments of the present application in detail with reference to the accompanying drawings. The features in the following embodiments can be combined with each other without conflict.

[0050] Embodiment one:

[0051] Please refer toFigures 1-6 As shown, the embodiment discloses a driving mechanism 1 structure.

[0052] The driving mechanism 1 includes a linkage assembly, a driving member 13 and a pneumatic rod 16. The driving member 13 of the embodiment is an electric push rod, and other driving members 13 such as hydraulic push rod can also be used according to needs. The pneumatic rod 16 is a gas spring, and functional types of gas springs such as free type gas spring and self-locking type gas spring can be used according to needs. The linkage assembly includes a first linkage 11, a rotating linkage 14 hinged to one end of the first linkage 11, and a second linkage 12 hinged between the two hinged points of the rotating linkage 14. The end of the rotating linkage 14 away from the first linkage 11 is hinged to a mounting plate 15, and the end of the second linkage 12 away from the rotating linkage 14 is hinged to a fixed plate 17. The driving member 13 includes a motor 133, a fixed rod 132 and a telescopic rod 131. The telescopic rod 131 is located in the fixed rod 132 and can be telescoped along the fixed rod 132. The motor 133 drives the telescopic rod 131 to telescope, the free end of the telescopic rod 131 is hinged to the rotating linkage 14, and one end of the fixed rod 132 away from the free end of the telescopic rod 131 is hinged to the fixed plate 17. The pneumatic rod 16 includes a pressure pipe 162 and a piston rod 161. The free end of the piston rod 161 is hinged to the fixed plate 17, and one end of the pressure pipe 162 away from the free end of the piston rod 161 is hinged to the mounting plate 15. The driving member 13 is located between the second linkage 12 and the pneumatic rod 16. The end of the first linkage 11 away from the rotating linkage 14 is hinged to a triangular plate 18, and the triangular plate 18 is provided with mounting holes for mounting and fixing. Figure 1 As shown in the display position direction, the first linkage 11 is located at the leftmost of the driving mechanism 1. The first linkage 11, the second linkage 12, the driving member 13 and the pneumatic rod 16 are sequentially assembled from left to right, and the length of the first linkage 11 is less than the length of the second linkage 12.

[0053] Please refer to Figure 1 and Figure 2 As shown, the structure schematic diagram of the driving mechanism 1 retracted attitude of the present application. At this time, the telescopic rod 131 of the driving member 13 is retracted into the fixed rod 132, and the piston rod 161 of the pneumatic rod 16 is also retracted into the pressure pipe 162. The included angle between the first linkage 11 and the rotating linkage 14 is an acute angle, the mounting plate 15 and the rotating linkage 14 are overlapped and clamped together, and the rotating linkage 14 is approximately parallel to the fixed plate 17. The mounting plate 15 is provided with a guide plate 151, and a gap is provided between the guide plate 151 and the mounting plate 15. The gap is used for clamping and limiting the rotating linkage 14 when the mounting plate 15 and the rotating linkage 14 are folded, so as to ensure the relative stability of the positions of the rotating linkage 14 and the mounting plate 15. The rotating linkage 14 is also provided with a limiting portion 140, which abuts against the mounting plate 15 when the rotating linkage 14 is overlapped with the mounting plate 15, so as to prevent the rotating linkage 14 and the mounting plate 17 from shaking due to the gap therebetween.

[0054] Please refer toFigure 2 As shown, the first connecting rod 11 is provided with a guide slot 111, and the mounting plate 15 is provided with a guide column 150, which is arranged to limit the relative position of the mounting plate 15 and the first connecting rod 11 when located in the guide slot 111. The first connecting rod 11 is rotationally connected with the rotating connecting rod 14 through a first rotating shaft 110. In the retracted posture, the guide column 150 is located in the guide slot 111. During the rotation from the retracted posture to the inclined posture, the guide column 150 slides in the guide slot 111 to guide the rotation, thereby ensuring the stability of the relative movement between the first connecting rod 11 and the rotating connecting rod 14, and limiting the relative position of the mounting plate 15 to prevent the mounting plate 15 from rotating away from the rotating connecting rod 14.

[0055] Please refer to Figure 3 and Figure 4 As shown, it is a structural schematic diagram of the inclined posture of the driving mechanism 1 of the present application.

[0056] Please refer to Figure 3 As shown, in the retracted posture, the motor 133 of the driving member 13 drives the telescopic rod 131 to extend out of the fixed rod 132 and push the rotating connecting rod 14 to rotate counterclockwise relative to the first connecting rod 11, and the first connecting rod 11 rotates clockwise. At the same time, the piston rod 161 of the pneumatic rod 16 extends out of the pressure pipe 162 under the driving of the mounting plate 15, and the driving mechanism 1 forms the stable and supported inclined posture. At this time, the hinge length of the pneumatic rod 16 is the longest, the driving member 13 is the second, and the first connecting rod 11 is the shortest. The included angle between the first connecting rod 11 and the rotating connecting rod 14 is obtuse.

[0057] Please refer to Figure 4 As shown, in the inclined posture, the guide column 150 slides out of the guide slot 111 and abuts against the positioning portion 112 of the first connecting rod 11 to position and support the mounting plate 15. At this time, the driving mechanism 1 forms a stable inclined posture, and the rotating connecting rod 14 cannot continue to rotate counterclockwise.

[0058] Please refer to Figure 5 and Figure 6 As shown, it is a structural schematic diagram of the horizontal posture of the driving mechanism 1 of the present application.

[0059] Please refer to Figure 5 As shown, in the inclined posture, as shown in the direction of the illustration, the telescopic rod 131 continues to extend and pushes the rotating connecting rod 14 to continue to rotate counterclockwise, and the first connecting rod 11 rotates clockwise. The included angle between the rotating connecting rod 14 and the first connecting rod 11 continues to increase, and the pneumatic rod 16 no longer extends. At this time, the mounting plate 15 rotates clockwise relative to the rotating connecting rod 14 to the horizontal state, and the mounting plate 15 is approximately parallel to the fixed plate 17.

[0060] Please refer to Figure 6As shown, the rotating connecting rod 14 is rotatably connected with the mounting plate 15 through a second rotating shaft 142, the rotating connecting rod 14 is fixed with a limiting column 141 which is fixed with the rotating connecting rod 14 in an integral manner through riveting or welding, the mounting plate 15 is provided with a limiting groove 152, when the mounting plate 15 rotates relative to the rotating connecting rod 14, the limiting column 141 slides in the limiting groove 152 to ensure the stability of rotation and limit the relative rotation angle range. The limiting column 141 limits the mounting plate 15 to rotate relative to the rotating connecting rod 14 within an acute angle range, when the mounting plate 15 rotates to a horizontal posture, the limiting column 141 abuts against the end of the limiting groove 152 and cannot continue to rotate, so that the mounting plate 15 is in a relatively stable horizontal posture.

[0061] Embodiment two:

[0062] Please refer to Figure 7 As shown, it is a schematic view of the assembly structure of the driving mechanism 1, the connecting frame 3 and the mattress frame 2 of the present application, at this time the mattress frame 2 is in a horizontal posture. In this embodiment, the two mounting plates 15 of the two driving mechanisms 1 on both sides of the mattress frame 2 are fixed in an integral manner through welding or bolts, the connecting frame 3 is fixedly connected between the two driving mechanisms 1, the two ends of the connecting frame 3 are fixedly connected with the two driving mechanisms 1 through bolts or welding to ensure the stability of the whole structure. The two driving mechanisms 1 work synchronously to drive the mattress frame 2 to convert among the three postures,

[0063] Embodiment three:

[0064] The difference between this embodiment and embodiment two is that only one of the two driving mechanisms 1 is provided with a driving member 13, at this time one driving member 13 can be used for driving and the three postures can be converted through linkage of the connecting frame 3, the structure is simpler and the cost is lower.

[0065] Embodiment four:

[0066] Please refer to Figures 8-11 As shown, this embodiment discloses a bed frame structure.

[0067] Please refer to Figure 8 As shown, it is a schematic view of the structure of the mattress frame 2 of the present application. The mattress frame 2 comprises a row frame 22 and a support 21 located at one end of the row frame 22, the support 21 is used for limiting and supporting the mattress placed on the row frame 22 in the inclined posture to prevent the mattress from sliding.

[0068] Please refer to Figure 9The diagram shown is a structural schematic of the retracted position of the multi-position bed frame of this application. The multi-position bed frame includes a bed frame 4, a mattress frame 2, and a drive mechanism 1. The bed frame 4 includes a side panel 41 and a back panel 43. The upper surface of the side panel 41 is on a plane and parallel to the ground. The support 21 end of the mattress frame 2, located at the end of the back panel 43 of the bed frame 4, forms the headboard, while the other end, away from the headboard, forms the footboard. In the retracted position, the mattress frame 2 is located inside the bed frame 4, and its upper surface is approximately on the same plane as the upper surface of the side panel 41, supporting the mattress.

[0069] Please see Figure 10 The diagram shows the structure of the multi-position bed frame in its tilted posture according to this application. A drive mechanism 1 is fixedly connected to both sides of the mattress frame 2. The first connecting rod 11, the second connecting rod 12, the drive component 13, and the pneumatic rod 16 are assembled sequentially from the head to the foot of the bed. The triangular plate 18 and the fixing plate 17 of the first connecting rod 11 are both fixed to the inner surface of the side panel 41. In this state, the foot of the mattress frame 2 is raised, and the mattress frame 2 forms an acute angle with the upper surface of the bed frame 4. Under the combined action of the drive component 13 and the pneumatic rod 16, it is in a stable tilted posture. At this time, the user can place items into or remove items from the side panel 41 through the space between the mattress frame 2 and the side panel 41. A support component 42 is also fixed to the inner surface of the side panel 41 to support the mattress frame 2 when it is in the retracted posture. The support component 42 is an angle iron fixed to the side panel 41, or it can be a wooden block or other support structure. When tilted, the linkage assembly maintains a relatively stable state. Simultaneously, when transitioning to the retracted position, the linkage assembly moves the mattress frame 2 upwards and away from the headboard from the position near the first linkage 11, preventing the mattress frame 2 from colliding or jamming with the bed frame 4 or the support member 42, thus affecting its functionality and lifespan. In another variation, the first linkage 11, the second linkage 12, the drive member 13, and the pneumatic rod 16 are assembled sequentially from the foot of the bed to the headboard. In this configuration, when tilted, the headboard of the mattress frame 2 is raised, and the mattress frame 2 forms an acute angle with the upper surface of the bed frame 4. To prevent the mattress from slipping off the mattress frame 2, supports 21 are provided at both ends of the mattress frame 2.

[0070] Please see Figure 11 The diagram shown is a structural schematic of the multi-pose bed frame of this application in its horizontal position. With the bed frame placed on the ground, the mattress frame 2 is positioned above the side panel 41 and is approximately horizontal. At this time, the user can place items inside or remove items from the side panel 41 through the space between the mattress frame 2 and the side panel 41. Figure 6 As shown, in this state, the limiting post 141 and the end of the limiting groove 152 are in contact and cannot continue to rotate, so that the mounting plate 15 is in a relatively stable state. At this time, some not very heavy items can be placed on the mattress frame 2.

[0071] Example 5:

[0072] The embodiment discloses a storage bed, which is different from the embodiment four in that the storage bed further comprises a controller and a mattress, and the controller is used for controlling the driving member 13 to work so that the mattress frame 2 realizes any one of the retracted posture, the inclined posture and the horizontal posture. When the mattress frame 2 is in the retracted posture, the mattress frame 2 and the bed frame 4 enclose a storage space. The fixed position between the driving mechanism 1 and the mattress frame 2 is arranged to be that the gravity center of the mattress is located between the end of the mattress frame 2 away from the first connecting rod 11 and the hinge joint point of the pneumatic rod 16 and the mounting plate 15, that is, the gravity center of the mattress is closer to the tail end of the bed. When the driving member 13 drives the mattress frame 2 from the retracted posture to the inclined posture, the resistance arm of the mattress gradually becomes smaller, and the load of the driving member 13 gradually becomes smaller. In the process that the driving member 13 drives the mattress frame 2 from the inclined posture to the horizontal posture, the power arm of the mattress gradually becomes larger, and the driving member 13 bears very small load in the process. The design can make the force of the driving member 13 more reasonable, reduce the average load of the driving member 13 in the driving process, and prolong the service life of the driving member 13. If the gravity center of the mattress is close to the end of the support 21, that is, the gravity center of the mattress is located between the support 21 and the hinge joint point of the rotating connecting rod and the mounting plate 15, then in the process of changing the three postures, the driving member 13 always bears large load, which affects the service life of the driving member 13.

[0073] Embodiment six

[0074] The embodiment discloses a control method of a bed, which is suitable for the storage bed of the embodiment five and comprises the following steps.

[0075] Inclined posture adjustment: the controller is used for controlling the driving member 13 to work, the telescopic rod 131 is elongated and pushes the rotating connecting rod 14 and the mounting plate 15 to rotate relative to the first connecting rod 11, the included angle between the rotating connecting rod 14 and the first connecting rod 11 gradually increases, the pneumatic rod 16 is elongated along with the rotation of the mounting plate 15, and the mounting plate 15 drives the mattress frame 2 and the mattress to rotate to a set angle;

[0076] Horizontal posture adjustment: in the inclined posture, the telescopic rod 131 is continuously elongated and pushes the rotating connecting rod 14 to continuously rotate, the included angle between the rotating connecting rod 14 and the first connecting rod 11 continuously increases, the pneumatic rod 16 is no longer elongated, and the mounting plate 15 rotates relative to the rotating connecting rod 14 to a set angle;

[0077] Retracting posture adjustment: when in the inclined posture, the controller controls the driving member 13 to work, the telescopic rod 131 of the driving member 13 is retracted to drive the rotating link 14 and the mounting plate 15 to rotate relative to the first link 11, the included angle between the rotating link 14 and the first link 11 is gradually reduced, the pneumatic rod 16 is retracted along with the rotation of the mounting plate 15, the mounting plate 15 drives the mattress frame 2 and the mattress to be stored on the bed frame 4 together; when in the horizontal posture, the telescopic rod 131 is retracted to drive the rotating link 14 to rotate relative to the first link 11, the included angle between the rotating link 14 and the first link 11 is gradually reduced, the length of the pneumatic rod 16 is unchanged, the mounting plate 15 rotates relative to the rotating link 14, the included angle between the mounting plate 15 and the rotating link 14 is gradually reduced until overlapping, the mounting plate 15 drives the mattress frame 2 and the mattress to rotate to the inclined posture together; in the inclined posture, the telescopic rod 131 of the driving member 13 continues to be retracted to drive the rotating link 14 and the mounting plate 15 to rotate relative to the first link 11, the included angle between the rotating link 14 and the first link 11 is gradually reduced, the pneumatic rod 16 is retracted along with the rotation of the mounting plate 15, and the mounting plate 15 drives the mattress frame 2 and the mattress to be stored on the bed frame 4 together.

[0078] The basic principles, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, the present application can have various changes, modifications, replacements and variations, and these changes, modifications, replacements and variations all fall within the scope of the present application.

Claims

1. A drive mechanism (1), characterized in that The utility model relates to a bed mattress frame (2) comprising: a linkage assembly comprising a first link (11) and a swivel link (14) hinged to one end of the first link (11), the swivel link (14) being hinged to a mounting plate (15) at an end away from the first link (11), the swivel link (14) further being hinged to a second link (12), the second link (12) being hinged to a fixed plate (17) at an end away from the swivel link (14); a drive member (13) comprising a fixed rod (132) and a telescopic rod (131), the telescopic rod (131) being hinged to the swivel link (14) at a free end, the fixed rod (132) being hinged to the fixed plate (17) at an end away from the free end of the telescopic rod (131); the drive member (13) being operable to cause the bed mattress frame (2) to assume any one of a retracted position, an inclined position and a horizontal position; a pneumatic rod (16) comprising a pressure tube (162) and a piston rod (161), the piston rod (161) being hinged to the fixed plate (17) at a free end, the pressure tube (162) being hinged to the mounting plate (15) at an end away from the free end of the piston rod (161); wherein the drive member (13) is located between the second link (12) and the pneumatic rod (16); in the inclined position, the telescopic rod (131) continues to extend and pushes the swivel link (14) to continue to rotate, the angle between the swivel link (14) and the first link (11) continues to increase, the pneumatic rod (16) no longer extends, and the mounting plate (15) rotates relative to the swivel link (14) to a set angle; when in the horizontal position, the telescopic rod (131) retracts and drives the swivel link (14) to rotate relative to the first link (11), the angle between the swivel link (14) and the first link (11) gradually decreases, the length of the pneumatic rod (16) remains unchanged, the mounting plate (15) rotates relative to the swivel link (14), and the angle between the mounting plate (15) and the swivel link (14) gradually decreases until they overlap, and the mounting plate (15) drives the bed mattress frame (2) and the mattress to rotate together to the inclined position.

2. The drive mechanism (1) according to claim 1, characterized in that The first link (11) is provided with a guide groove (111), and the mounting plate (15) is provided with a guide column (150), the guide column (150) being arranged to limit the relative positions of the mounting plate (15) and the first link (11) when located in the guide groove (111).

3. The drive mechanism (1) according to claim 2, characterized in that When the swivel link (14) rotates relative to the first link (11) beyond a set angle, the guide column (150) is disengaged from the guide groove (111), and the mounting plate (15) can rotate relative to the swivel link (14).

4. The drive mechanism (1) according to claim 1, characterized in that The mounting plate (15) is provided with a guide plate (151), a gap being provided between the guide plate (151) and the mounting plate (15), the gap being used to clamp the swivel link (14) when the mounting plate (15) and the swivel link (14) are folded.

5. The drive mechanism (1) according to claim 1, characterized in that The mounting plate (15) is provided with a limiting groove (152) / limiting column (141), and the rotating connecting rod (14) is provided with a limiting column (141) / limiting groove (152), when the mounting plate (15) and the rotating connecting rod (14) relatively rotate, the limiting column (141) is always located in the limiting groove (152).

6. A bed frame comprising a mattress frame (2), a bed frame (4) and a drive mechanism (1) according to any one of claims 1-5, characterized in that, The bed mattress frame (2) is fixedly connected with the mounting plate (15), and the fixed plate (17) and the end, away from the rotating connecting rod (14), of the first connecting rod (11) are fixedly connected with the bed frame (4); wherein, under the driving of the driving element (13), the bed mattress frame (2) has three relatively stable use states of a retracted posture of being accommodated on the bed frame (4), an inclined posture of forming an angle with the upper end face of the bed frame (4) and a horizontal posture of being located above the bed frame (4).

7. The bed frame of claim 6, wherein, When the bed mattress frame (2) is in the retracted posture and the inclined posture, the rotating connecting rod (14) and the mounting plate (15) are folded and relatively stable; when the bed mattress frame (2) is in the horizontal posture, the mounting plate (15) forms an angle with the rotating connecting rod (14).

8. A storage bed comprising the bed frame of claim 6, wherein, Further comprising a controller, which is used for controlling the driving element (13) to work so that the bed mattress frame (2) realizes any one of the retracted posture, the inclined posture and the horizontal posture; when the bed mattress frame (2) is in the retracted posture, the bed mattress frame (2) and the bed frame (4) enclose a storage space.

9. The storage bed of claim 8, wherein, Further comprising a bed mattress, and the center of gravity of the bed mattress is located between the end, away from the first connecting rod (11), of the bed mattress frame (2) and the hinged point of the pneumatic rod (16) and the mounting plate (15).

10. A method of operating a bed, suitable for use with the storage bed of claim 8, comprising the steps of: The method comprises the following steps: Inclined posture adjustment: the controller controls the driving element (13) to work, the telescopic rod (131) is elongated and pushes the rotating connecting rod (14) and the mounting plate (15) to rotate relative to the first connecting rod (11), the angle between the rotating connecting rod (14) and the first connecting rod (11) is gradually increased, the pneumatic rod (16) is elongated along with the rotation of the mounting plate (15), the mounting plate (15) drives the bed mattress frame (2) and the bed mattress to rotate to a set angle; Horizontal posture adjustment: under the inclined posture, the telescopic rod (131) is continuously elongated and pushes the rotating connecting rod (14) to continuously rotate, the angle between the rotating connecting rod (14) and the first connecting rod (11) is continuously increased, the pneumatic rod (16) is no longer elongated, and the mounting plate (15) is rotated to a set angle relative to the rotating connecting rod (14); Retracting posture adjustment: when in the inclined posture, the controller controls the driving member (13) to work, the telescopic rod (131) of the driving member (13) is retracted to drive the rotary connecting rod (14) and the mounting plate (15) to rotate relative to the first connecting rod (11), the included angle between the rotary connecting rod (14) and the first connecting rod (11) gradually decreases, the pneumatic rod (16) is retracted along with the rotation of the mounting plate (15), the mounting plate (15) drives the mattress frame (2) and the mattress to rotate and be stored on the bed frame (4); when in the horizontal posture, the telescopic rod (131) is retracted to drive the rotary connecting rod (14) to rotate relative to the first connecting rod (11), the included angle between the rotary connecting rod (14) and the first connecting rod (11) gradually decreases, the length of the pneumatic rod (16) is unchanged, the mounting plate (15) rotates relative to the rotary connecting rod (14), the included angle between the mounting plate (15) and the rotary connecting rod (14) gradually decreases until overlapping, the mounting plate (15) drives the mattress frame (2) and the mattress to rotate to the inclined posture; in the inclined posture, the telescopic rod (131) of the driving member (13) continues to be retracted to drive the rotary connecting rod (14) and the mounting plate (15) to rotate relative to the first connecting rod (11), the included angle between the rotary connecting rod (14) and the first connecting rod (11) gradually decreases, the pneumatic rod (16) is retracted along with the rotation of the mounting plate (15), and the mounting plate (15) drives the mattress frame (2) and the mattress to rotate and be stored on the bed frame (4).

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