Novel bed chair device

Abstract

The utility model relates to a novel bed chair device which comprises a supporting unit, a seat plate unit, a leg plate unit, a pedal unit and a transmission unit, and the transmission unit is respectively in transmission connection with the supporting unit, the seat plate unit and the pedal unit and used for enabling the seat plate unit, the leg plate unit and the pedal unit to move synchronously. The novel bed chair device has the advantages that the transmission unit is used for simultaneously driving the back plate unit and the pedal unit to rotate, so that the novel bed chair device can be quickly switched between a chair state and a bed state, and different use requirements are met; operation is convenient, steps are simple, state switching can be completed without tedious operation, and home use of a user is facilitated; the transmission unit drives the pedal unit and the seat plate unit to rotate at the same time, the inclination angle of the seat plate unit can be adjusted, and therefore different use requirements are met.

Description

Technical Field

[0001] This utility model relates to the field of health and wellness equipment technology, and in particular to a novel bed and chair device. Background Technology

[0002] Currently, wheelchair beds or integrated nursing beds / chairs on the market, when unfolded into a flat shape for use as a bed, have complex unfolding and folding structures, cumbersome processes, high manufacturing costs, and the manual unfolding process is troublesome, time-consuming, and labor-intensive, placing a significant burden on the user's work.

[0003] Furthermore, there is no product with a simple structure that can fold and unfold the foot pedals and legboard, and also allows for seat angle adjustment.

[0004] Currently, no effective solutions have been proposed for the problems existing in related technologies, such as complex unfolding and folding structures, high manufacturing costs, difficulty in manual operation, and inability to adjust the seat plate angle simultaneously. Utility Model Content

[0005] The purpose of this utility model is to address the shortcomings of existing technologies by providing a novel bed and chair device, which solves problems such as complex unfolding and folding structures, high manufacturing costs, difficulty in manual operation, and inability to adjust the seat angle simultaneously.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0007] A novel bed-chair assembly includes:

[0008] Support unit, the support unit being disposed on a horizontal plane;

[0009] A seat plate unit, wherein the seat plate unit is disposed on top of the support unit;

[0010] A leg plate unit, which is rotatably disposed on top of the support unit and located in front of the seat plate unit;

[0011] A pedal unit, which is rotatably disposed at the end of the leg plate unit;

[0012] A transmission unit is connected to the support unit, the seat plate unit, and the pedal unit respectively, and is used to make the seat plate unit, the leg plate unit, and the pedal unit move synchronously.

[0013] In some of these embodiments, it also includes:

[0014] A backplate unit is rotatably disposed on top of the support unit and located behind the seat plate unit, and is connected to the transmission unit.

[0015] In some of these embodiments, it also includes:

[0016] The armrest unit is disposed at the top of the support unit and located on both sides of the seat plate unit, and the bottom end of the armrest unit is rotatably connected to the top end of the support unit.

[0017] In some of these embodiments, it also includes:

[0018] A control unit is disposed at the bottom end of the support unit and connected to the transmission unit for controlling the transmission unit.

[0019] The present invention adopts the above technical solution and has the following technical effects compared with the prior art:

[0020] This utility model discloses a novel bed-chair device that utilizes a transmission unit to simultaneously drive the backrest unit and the footrest unit to rotate, enabling the device to quickly switch between chair and bed modes to meet different usage requirements. Operation is convenient and the steps are simple, requiring no complicated procedures to complete the mode switching, making it easy for users to use at home. Furthermore, by simultaneously driving the footrest unit and the seat unit to rotate, the tilt angle of the seat unit can be adjusted to meet different usage requirements. Attached Figure Description

[0021] Figure 1 This is a schematic diagram (a) of a novel integrated bed and chair device according to an embodiment of the present utility model;

[0022] Figure 2 This is a schematic diagram (II) of a novel integrated bed and chair device according to an embodiment of the present utility model;

[0023] Figure 3 This is a schematic diagram of the support unit according to an embodiment of the present utility model;

[0024] Figure 4 This is a schematic diagram of the base plate unit according to an embodiment of the present utility model;

[0025] Figure 5 This is a schematic diagram of a backplate unit according to an embodiment of the present utility model;

[0026] Figure 6 This is a schematic diagram of the leg plate unit according to an embodiment of the present utility model;

[0027] Figure 7 This is a schematic diagram of a pedal unit according to an embodiment of the present utility model;

[0028] Figure 8 This is a schematic diagram of a transmission unit according to an embodiment of the present utility model;

[0029] Figure 9 This is a schematic diagram of the armrest unit according to an embodiment of the present utility model;

[0030] Figure 10 This is a schematic diagram of the control unit according to an embodiment of the present utility model.

[0031] The reference numerals in the accompanying drawings are as follows: 100, support unit; 101, bottom support element; 102, longitudinal support element; 103, top support element; 104, moving element; 200, seat plate unit; 201, seat plate element; 300, back plate unit; 301, back plate element; 302, first rotating assembly; 302a, first rotating bracket element; 302b, second rotating bracket element; 302c, first rotating shaft element; 303, handle element; 304, fourth rotating assembly; 304a, seventh rotating bracket element; 304b, eighth rotating bracket element; 304c, fourth rotating shaft element; 400, leg plate unit; 4 01. Leg plate element; 402. Second rotating assembly; 402a. Third rotating support element; 402b. Fourth rotating support element; 402c. Second rotating shaft element; 500. Pedal unit; 501. Pedal element; 502. Third rotating assembly; 502a. Fifth rotating support element; 502b. Sixth rotating support element; 502c. Third rotating shaft element; 600. Transmission unit; 601. First drive assembly; 601a. ​​First drive element; 601b. First transmission support element; 601c. First transmission shaft element; 602. First transmission assembly; 602a. First transmission rod element; 602b. Second... 603. Second transmission assembly; 603a. Second transmission rod element; 603b. Third transmission shaft element; 604. Third transmission assembly; 604a. Second transmission support element; 604b. Third transmission rod element; 604c. Fourth transmission shaft element; 605. Fourth transmission assembly; 605a. Fourth transmission rod element; 605b. Fifth transmission shaft element; 606. Second drive assembly; 606a. Second drive element; 606b. Third transmission support element; 606c. Sixth transmission shaft element; 607. Fifth rotation assembly; 607a. Ninth rotation support element; 607b. Tenth rotation support element; 607c, Fifth rotating shaft element; 608, Sixth rotating assembly; 608a, Eleventh rotating support element; 608b, Twelfth rotating support element; 608c, Sixth rotating shaft element; 700, Handrail unit; 701, Handrail element; 702, Seventh rotating assembly; 702a, Thirteenth rotating support element; 702b, Fourteenth rotating support element; 702c, Seventh rotating shaft element; 703, Locking element; 800, Control unit; 801, Control element; 802, Eighth rotating assembly; 802a, Fifteenth rotating support element; 802b, Sixteenth rotating support element; 802c, Eighth rotating shaft element. Detailed Implementation

[0032] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0033] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments of the present invention can be combined with each other.

[0034] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, but this is not intended to limit the present invention.

[0035] Example 1

[0036] An illustrative embodiment of this utility model, such as Figures 1-2 As shown, a novel bed-chair device includes a support unit 100, a seat unit 200, a backrest unit 300, a legrest unit 400, a footrest unit 500, and a transmission unit 600. The support unit 100 is disposed on a horizontal plane; the seat unit 200 is disposed on top of the support unit 100; the backrest unit 300 is rotatably disposed on top of the support unit 100 and located behind the seat unit 200; the legrest unit 400 is rotatably disposed on top of the support unit 100 and located in front of the seat unit 200; the footrest unit 500 is rotatably disposed at the end of the legrest unit 400; and the transmission unit 600 is connected to the support unit 100, seat unit 200, backrest unit 300, and footrest unit 500 respectively, for synchronous movement of the seat unit 200, backrest unit 300, legrest unit 400, and footrest unit 500.

[0037] In this invention, the novel bed-chair device has a chair state and a bed state. When the novel bed-chair device is in the chair state, the backrest unit 300 is arranged substantially perpendicular to the seat unit 200, and the leg panel unit 400 is arranged substantially perpendicular to the seat unit 200; when the novel bed-chair device is in the bed state, the backrest unit 300 is arranged substantially parallel to the seat unit 200, and the leg panel unit 400 is arranged substantially parallel to the seat unit 200.

[0038] In addition, the new bed-chair device also has a tilted state (recliner state) between a chair state and a bed state. When the new bed-chair device is in the tilted state, the seat unit 200 is tilted to the support unit 100, the backrest unit 300 is positioned between being perpendicular to the seat unit 200 and parallel to the seat unit 200, and the legrest unit 400 is positioned between being perpendicular to the seat unit 200 and parallel to the seat unit 200.

[0039] like Figure 3 As shown, the support unit 100 includes a bottom support element 101, a plurality of longitudinal support elements 102, and a top support element 103. The bottom support element 101 is disposed on a horizontal plane and connected to the transmission unit 600; the plurality of longitudinal support elements 102 are distributed on the top of the bottom support element 101; the top support element 103 is disposed on the top of the plurality of longitudinal support elements 102 and is connected to the plurality of longitudinal support elements 102, the seat plate unit 200, the leg plate unit 400, and the transmission unit 600, respectively.

[0040] In some embodiments, the bottom support element 101 can be an open structure or a closed structure. For example, an "U"-shaped structure, a "U"-shaped structure, etc.

[0041] In some of these embodiments, the bottom support element 101 includes, but is not limited to, a bottom support frame and a bottom support plate.

[0042] In some of these embodiments, the bottom support element 101 may be integrally formed or assembled (e.g., by welding, bolting, etc.).

[0043] In some embodiments, the bottom support element 101 includes a first bottom longitudinal support, a second bottom longitudinal support, and a bottom transverse support. The first bottom longitudinal support has at least one longitudinal support element 102 at its top; the second bottom longitudinal support is symmetrically arranged with the first bottom longitudinal support, and its top also has at least one longitudinal support element 102; the bottom transverse support is disposed between the first and second bottom longitudinal supports, and its top also has at least one longitudinal support element 102, and is connected to both the first and second bottom longitudinal supports.

[0044] There are at least three longitudinal support elements 102. When a plurality of longitudinal support elements 102 are provided on the first bottom longitudinal support member, the plurality of longitudinal support elements 102 are spaced apart along the length direction of the first bottom longitudinal support member; when a plurality of longitudinal support elements 102 are provided on the second bottom longitudinal support member, the plurality of longitudinal support elements 102 are spaced apart along the length direction of the second bottom longitudinal support member; when a plurality of longitudinal support elements 102 are provided on the bottom transverse support member, the plurality of longitudinal support elements 102 are spaced apart along the length direction of the bottom transverse support member.

[0045] In some embodiments, there are three longitudinal support elements 102. One longitudinal support element 102 is disposed at the rear end of the first bottom longitudinal support member, one longitudinal support element 102 is disposed at the rear end of the second bottom longitudinal support member, and one longitudinal support element 102 is disposed at the end (left or right end) of the bottom transverse support member.

[0046] In some of these embodiments, the longitudinal support element 102 and the bottom support element 101 may be integrally formed or assembled (e.g., by welding, bolting, etc.).

[0047] In some of these embodiments, the longitudinal support element 102 includes, but is not limited to, a longitudinal support rod and a longitudinal support plate.

[0048] In some embodiments, the top support element 103 can be an open structure or a closed structure. For example, an "U"-shaped structure, a "U"-shaped structure, etc.

[0049] In some of these embodiments, the top support element 103 includes, but is not limited to, a top support frame and a top support plate.

[0050] In some of these embodiments, the top support element 103 may be integrally formed or assembled (e.g., by welding, bolting, etc.).

[0051] In some embodiments, the top support element 103 includes a first top longitudinal support, a second top longitudinal support, and at least one top transverse support. The first top longitudinal support has at least one longitudinal support element 102 at its bottom, located above the first bottom longitudinal support. The second top longitudinal support is symmetrically arranged with respect to the first top longitudinal support, and has at least one longitudinal support element 102 at its bottom, located above the second bottom longitudinal support. The top transverse support is disposed between the first and second top longitudinal supports, has at least one longitudinal support element 102 at its bottom, is connected to at least one of the first and second top longitudinal supports, and is located above the bottom transverse support.

[0052] In some embodiments, there are two top transverse supports. One top transverse support is located at the front end of the first top longitudinal support and connected to it; the other top transverse support is located at the front end of the second top longitudinal support and connected to it; the two top transverse supports are not connected to each other. That is, one top transverse support forms an "L" shape with the first top longitudinal support, and the other top transverse support forms an "L" shape with the second top longitudinal support.

[0053] There are at least three longitudinal support elements 102. When a plurality of longitudinal support elements 102 are provided on the first top longitudinal support member, the plurality of longitudinal support elements 102 are spaced apart along the length direction of the first top longitudinal support member; when a plurality of longitudinal support elements 102 are provided on the second top longitudinal support member, the plurality of longitudinal support elements 102 are spaced apart along the length direction of the second top longitudinal support member; when a plurality of longitudinal support elements 102 are provided on the top transverse support member, the plurality of longitudinal support elements 102 are spaced apart along the length direction of the top transverse support member.

[0054] In some embodiments, there are three longitudinal support elements 102. One longitudinal support element 102 is disposed at the rear end of the first top longitudinal support member, one longitudinal support element 102 is disposed at the rear end of the second top longitudinal support member, and one longitudinal support element 102 is disposed at the end (left or right end) of the top transverse support member.

[0055] Furthermore, the support unit 100 also includes a plurality of movable elements 104. The plurality of movable elements 104 are distributed at the bottom of the bottom support element 101 to assist in moving the novel bed-chair device.

[0056] Generally, the movable element 104 is detachably connected to the bottom support element 101, including but not limited to plug-in connection, bolt connection, etc.

[0057] In some embodiments, a plurality of movable elements 104 are distributed at the bottom of the first bottom longitudinal support and the bottom of the second bottom longitudinal support. That is, at least one movable element 104 is provided at the bottom of the first bottom longitudinal support and at least one movable element 104 is provided at the bottom of the second bottom longitudinal support.

[0058] When a plurality of movable elements 104 are provided at the bottom of the first bottom longitudinal support (second bottom longitudinal support), the plurality of movable elements 104 are spaced apart along the length direction of the first bottom longitudinal support (second bottom longitudinal support).

[0059] In some embodiments, the movable element 104 includes, but is not limited to, casters, such as casters with brakes.

[0060] like Figure 4 As shown, the seat unit 200 includes a seat element 201. The seat element 201 is disposed on the top of the support unit 100, a back plate unit 300 is movably disposed on the rear side of the seat element 201, and a leg plate unit 400 is movably disposed on the front side of the seat element 201.

[0061] Specifically, the seat plate element 201 is disposed on the top of the top support element 103.

[0062] Generally, the seat plate element 201 is detachably connected to the top support element 103, including but not limited to bolt connections.

[0063] In some embodiments, the seat plate element 201 includes a seat plate member and a plurality of first through holes. The seat plate member is disposed on the top of the top support element 103; the plurality of first through holes are distributed on the seat plate member and are disposed through the seat plate member to reduce the weight of the seat plate member and to provide ventilation and heat dissipation.

[0064] Furthermore, the seat plate element 201 also includes a seat plate support member. The seat plate support member is disposed at the bottom of the seat plate element and is connected to the seat plate element, the back plate unit 300, and the transmission unit 600, respectively.

[0065] The seat support and the seat plate can be integrally formed or assembled (e.g., by welding, bolting, etc.).

[0066] In some of these embodiments, the seat support includes, but is not limited to, a seat support frame.

[0067] like Figure 5 As shown, the back plate unit 300 includes a back plate element 301 and at least one first rotating assembly 302. The back plate element 301 is rotatably disposed on the top of the support unit 100 and located on the rear side of the seat plate unit 200; the first rotating assembly 302 is disposed between the back plate element 301 and the seat plate unit 200 and is connected to the transmission unit 600, for causing the back plate element 301 and the seat plate unit 200 to rotate relative to each other under the action of the transmission unit 600.

[0068] Specifically, the back plate element 301 is rotatably disposed on the top of the top support element 103 and located on the rear side of the seat plate element 201; the first rotating assembly 302 is disposed between the back plate element 301 and the seat plate element 201.

[0069] In some embodiments, the backplate element 301 includes a backplate member and a plurality of second through-hole members. The backplate member is rotatably disposed on the top of the top support element 103 and located on the rear side of the seat plate element 201; the plurality of second through-hole members are distributed on the backplate member and are respectively disposed through the backplate member to reduce the weight of the backplate member and to provide ventilation and heat dissipation.

[0070] Furthermore, the backplate element 301 also includes a backplate support member. The backplate support member is disposed at the rear of the backplate element and is connected to the backplate element and the first rotating assembly 302, respectively.

[0071] The backplate support and the backplate can be integrally formed or assembled (e.g., by welding, bolting, etc.).

[0072] In some of these embodiments, the backplate support includes, but is not limited to, a backplate support frame.

[0073] Furthermore, the backplate element 301 also includes a backplate connector. The backplate connector is connected to a plurality of first rotating assemblies 302 respectively, for enabling the plurality of first rotating assemblies 302 to work synchronously.

[0074] In some embodiments, the backplate connector includes, but is not limited to, a backplate connecting rod.

[0075] In some embodiments, there are multiple first rotating components 302. The multiple first rotating components 302 are spaced apart along the length direction of the back plate element 301.

[0076] In some embodiments, there are two first rotating components 302. The two first rotating components 302 are symmetrically arranged at both ends of the bottom of the back plate element 301.

[0077] In some embodiments, the first rotating assembly 302 includes a first rotating support element 302a, a second rotating support element 302b, and a first rotating shaft element 302c. The first rotating support element 302a is disposed at the rear of the seat plate unit 200 and connected to it. The second rotating support element 302b is disposed at the bottom of the back plate element 301 and is movably connected to the first rotating support element 302a, and is connected to the transmission unit 600. The first rotating shaft element 302c is connected to both the first rotating support element 302a and the second rotating support element 302b, enabling relative rotation between the second rotating support element 302b and the first rotating support element 302a.

[0078] Specifically, the first rotating support element 302a is disposed at the rear of the seat plate element 201 and is connected to the seat plate element 201.

[0079] The first rotating support element 302a and the seat plate element 201 (seat plate support) can be integrally formed or assembled (e.g., by welding, bolting, etc.).

[0080] In some of these embodiments, the first rotating support element 302a includes, but is not limited to, a rotating support, a rotating seat, a rotating block, etc.

[0081] The second rotating bracket element 302b and the back plate element 301 (back plate support) can be integrally formed or assembled (e.g., by welding, bolting, etc.).

[0082] In some of these embodiments, the second rotating support element 302b includes, but is not limited to, a rotating support, a rotating seat, a rotating block, etc.

[0083] In some of these embodiments, the first rotating shaft element 302c includes, but is not limited to, a rotating shaft.

[0084] The working principle of the first rotating component 302 is as follows: the first rotating support element 302a remains stationary, the first rotating shaft element 302c remains stationary, and the second rotating support element 302b rotates around the first rotating shaft element 302c as the central axis.

[0085] like Figure 6 As shown, the leg plate unit 400 includes a leg plate element 401 and at least one second rotating assembly 402, a pedal element 501 and at least one third rotating assembly 502. The leg plate element 401 is movably disposed on the top of the support unit 100 and located in front of the seat plate unit 200; the second rotating assembly 402 is disposed between the leg plate element 401 and the support unit 100, for causing relative rotation between the leg plate element 401 and the support unit 100.

[0086] Specifically, the leg plate element 401 is movably disposed at the front end of the top support element 103 and located on the front side of the seat plate element 201; the second rotating assembly 402 is disposed between the leg plate element 401 and the top support element 103, for causing the leg plate element 401 and the top support element 103 to rotate relative to each other.

[0087] In some embodiments, the leg plate element 401 includes a leg plate member and a plurality of third through holes. The leg plate member is disposed at the front of the top support element 103; the plurality of third through holes are distributed on the leg plate member and are disposed through the leg plate member to reduce the weight of the leg plate member and to provide ventilation and heat dissipation.

[0088] Furthermore, the leg plate element 401 also includes a leg plate support member. The leg plate support member is disposed at the bottom of the leg plate element and is connected to the leg plate element, the second rotating assembly 402, and the third rotating assembly 502, respectively.

[0089] Leg plate support components and leg plate components can be integrally formed or assembled (e.g., by welding, bolting, etc.).

[0090] In some of these embodiments, the leg support includes, but is not limited to, a leg support frame.

[0091] In some embodiments, there are multiple second rotating components 402. These multiple second rotating components 402 are spaced apart along the length of the leg plate element 401.

[0092] In some embodiments, the second rotating assembly 402 includes a third rotating support element 402a, a fourth rotating support element 402b, and a second rotating shaft element 402c. The third rotating support element 402a is disposed on the top of the support unit 100 and located in front of the seat plate unit 200; the fourth rotating support element 402b is disposed on the top of the leg plate element 401 and is movably connected to the third rotating support element 402a; the second rotating shaft element 402c is connected to both the third rotating support element 402a and the fourth rotating support element 402b, allowing the fourth rotating support element 402b to rotate relative to the third rotating support element 402a.

[0093] Specifically, the third rotating bracket element 402a is disposed at the front of the top support element 103 and is connected to the top support element 103.

[0094] The third rotating support element 402a and the top support element 103 (top transverse support) can be integrally formed or assembled (e.g., by welding, bolting, etc.).

[0095] In some of these embodiments, the third rotating support element 402a includes, but is not limited to, a rotating support, a rotating seat, a rotating block, etc.

[0096] The fourth rotating bracket element 402b and the leg plate element 401 (leg plate support) can be integrally formed or assembled (e.g., by welding, bolting, etc.).

[0097] In some of these embodiments, the fourth rotating support element 402b includes, but is not limited to, a rotating support, a rotating seat, a rotating block, etc.

[0098] In some of these embodiments, the second rotating shaft element 402c includes, but is not limited to, a rotating shaft.

[0099] The working principle of the second rotating component 402 is as follows: the third rotating support element 402a remains stationary, the second rotating shaft element 402c remains stationary, and the fourth rotating support element 402b rotates around the second rotating shaft element 402c as the central axis.

[0100] like Figure 7 As shown, the pedal unit 500 includes a pedal element 501 and at least one third rotating assembly 502. The pedal element 501 is movably disposed at the bottom of the leg plate unit 400 and connected to the transmission unit 600, for relative rotation with the leg plate unit 400 under the action of the transmission unit 600 and for driving the leg plate unit 400 to rotate relative to the support unit 100. The third rotating assembly 502 is disposed between the pedal element 501 and the leg plate unit 400, for causing relative rotation between the pedal element 501 and the leg plate unit 400.

[0101] Specifically, the pedal element 501 is movably disposed at the bottom of the leg plate element 401; the third rotating assembly 502 is disposed between the pedal element 501 and the leg plate element 401.

[0102] In some embodiments, the pedal element 501 includes a pedal component and a plurality of fourth through holes. The pedal component is disposed at the front of the leg plate element 401; the plurality of fourth through holes are distributed on the pedal component and pass through the pedal component to reduce the weight of the pedal component and to provide ventilation and heat dissipation.

[0103] Furthermore, the pedal element 501 also includes a pedal support. The pedal support is disposed at the bottom of the pedal element and is connected to the pedal element, the third rotating assembly 502, and the transmission unit 600.

[0104] The pedal support and pedal can be integrally formed or assembled (e.g., by welding, bolting, etc.).

[0105] In some embodiments, the pedal support includes, but is not limited to, a pedal support frame.

[0106] In some embodiments, there are multiple third rotating assemblies 502. These multiple third rotating assemblies 502 are spaced apart along the length of the pedal element 501.

[0107] In some embodiments, the third rotating assembly 502 includes a fifth rotating support element 502a, a sixth rotating support element 502b, and a third rotating shaft element 502c. The fifth rotating support element 502a is disposed at the bottom of the leg plate element 401; the sixth rotating support element 502b is disposed at the rear end of the pedal element 501 and is movably connected to the fifth rotating support element 502a; the third rotating shaft element 502c is connected to both the fifth rotating support element 502a and the sixth rotating support element 502b, enabling relative rotation between the sixth rotating support element 502b and the fifth rotating support element 502a.

[0108] Specifically, the fifth rotating support element 502a is disposed at the end of the leg plate element 401 and is connected to the leg plate element 401.

[0109] The fifth rotating support element 502a and the leg plate element 401 (leg plate support) can be integrally formed or assembled (e.g., by welding, bolting, etc.).

[0110] In some of these embodiments, the fifth rotating support element 502a includes, but is not limited to, a rotating support, a rotating seat, a rotating block, etc.

[0111] The sixth rotating bracket element 502b and the pedal element 501 (pedal support) can be integrally formed or assembled (e.g., by welding, bolting, etc.).

[0112] In some of these embodiments, the sixth rotating support element 502b includes, but is not limited to, a rotating support, a rotating seat, a rotating block, etc.

[0113] In some of these embodiments, the third rotating shaft element 502c includes, but is not limited to, a rotating shaft.

[0114] The working principle of the third rotating component 502 is as follows: the fifth rotating support element 502a remains stationary, the third rotating shaft element 502c remains stationary, and the sixth rotating support element 502b rotates around the third rotating shaft element 502c as the central axis.

[0115] like Figure 8 As shown, the transmission unit 600 includes a first drive component 601, a first transmission component 602, a second transmission component 603, a third transmission component 604, a fourth transmission component 605, and a second drive component 606. The first drive assembly 601 is disposed on and connected to the support unit 100; the first transmission assembly 602 is connected to the first drive assembly 601 and is used to move under the action of the first drive assembly 601; the second transmission assembly 603 is connected to the first transmission assembly 602 and the seat plate unit 200 respectively and is used to move under the action of the first transmission assembly 602; the third transmission assembly 604 is connected to the first transmission assembly 602 and the support unit 100 respectively and is used to move under the action of the first transmission assembly 602; the fourth transmission assembly 605 is connected to the third transmission assembly 604 and the leg plate unit 400 respectively and is used to drive the leg plate unit 400 to rotate under the action of the third transmission assembly 604; the second drive assembly 606 is disposed on the support unit 100 and is connected to the support unit 100 and the back plate unit 300 respectively and is used to drive the back plate unit 300 to rotate.

[0116] The first driving component 601 is located on the first side of the support unit 100, and the second driving component 606 is located on the second side of the support unit 100.

[0117] In some embodiments, the first drive assembly 601 includes a first drive element 601a, a first transmission support element 601b, and a first transmission shaft element 601c. The first drive element 601a is disposed on the support unit 100; the first transmission support element 601b is disposed at the end of the first drive element 601a and is used to reciprocate along the axial direction of the first drive element 601a under the action of the first drive element 601a; the first transmission shaft element 601c is connected to both the first transmission support element 601b and the first transmission assembly 602, and is used to cause the first transmission assembly 602 to rotate relative to the first transmission support element 601b under the action of the first transmission support element 601b.

[0118] Specifically, the first driving element 601a is disposed between the bottom support element 101 (first bottom longitudinal support) and the longitudinal support element 102, and is connected to the bottom support element 101.

[0119] In some embodiments, the first drive element 601a includes, but is not limited to, an electric drive structure, a pneumatic drive structure, and a hydraulic drive structure. Examples include a gas spring and an electric actuator.

[0120] The first transmission support element 601b is disposed at the output end of the first drive element 601a.

[0121] In some of these embodiments, the first transmission support element 601b is concave.

[0122] In some of these embodiments, the first transmission support element 601b includes, but is not limited to, a transmission support.

[0123] In some of these embodiments, the first drive shaft element 601c includes, but is not limited to, a drive shaft.

[0124] The first drive assembly 601 operates as follows: the first drive shaft element 601c and the first drive support element 601b reciprocate along the axial direction of the first drive element 601a, following the output end of the first drive element 601a. ​​Furthermore, the first drive support element 601b can rotate around the first drive shaft element 601c, or it can remain stationary around the first drive shaft element 601c.

[0125] In some embodiments, the first transmission assembly 602 includes a first transmission rod element 602a and a second transmission shaft element 602b. The first transmission rod element 602a is connected to the first drive assembly 601, the second transmission assembly 603, and the third transmission assembly 604, respectively, and is used to drive the third transmission assembly 604 to rotate under the action of the first drive assembly 601. The second transmission shaft element 602b is connected to the first transmission rod element 602a and the second transmission assembly 603, respectively, and is used to cause relative rotation between the first transmission rod element 602a and the second transmission assembly 603.

[0126] Specifically, the first end of the first transmission rod element 602a is movably connected to the first transmission support element 601b and rotatably connected to the first transmission shaft element 601c.

[0127] In some of these embodiments, the cross-section of the first transmission rod element 602a is concave.

[0128] In some of these embodiments, the first transmission rod element 602a is arc-shaped.

[0129] In some of these embodiments, the first transmission rod element 602a includes, but is not limited to, a transmission rod and a transmission arm.

[0130] The second drive shaft element 602b is disposed at the second end of the first drive rod element 602a.

[0131] In some of these embodiments, the second drive shaft element 602b includes, but is not limited to, a drive shaft.

[0132] The working principle of the first transmission assembly 602 is as follows: under the action of the first drive assembly 601, the first transmission rod element 602a rotates around the first transmission shaft element 601c. Furthermore, the first transmission rod element 602a can rotate around the second transmission shaft element 602b, or it can not rotate around the second transmission shaft element 602b.

[0133] In some embodiments, the second transmission assembly 603 includes a second transmission rod element 603a and a third transmission shaft element 603b. The second transmission rod element 603a is connected to both the first transmission assembly 602 and the seat plate unit 200, and is used to rotate under the action of the first transmission assembly 602. The third transmission shaft element 603b is connected to both the second transmission rod element 603a and the seat plate unit 200, and is used to cause relative rotation between the second transmission rod element 603a and the seat plate unit 200.

[0134] Specifically, the first end of the second transmission rod element 603a is movably connected to the second end of the first transmission rod element 602a, and is rotatably connected to the second transmission shaft element 602b; the third transmission shaft element 603b is disposed at the bottom of the seat plate element 201 and is connected to the seat plate element 201 (seat plate support).

[0135] In some of these embodiments, the cross-section of the second transmission rod element 603a is concave.

[0136] In some of these embodiments, the second transmission rod element 603a is arc-shaped.

[0137] In some of these embodiments, the second transmission rod element 603a includes, but is not limited to, a transmission rod and a transmission arm.

[0138] The third transmission shaft element 603b is rotatably connected to the second end of the second transmission rod element 603a.

[0139] In some of these embodiments, the third drive shaft element 603b includes, but is not limited to, a drive shaft.

[0140] The working principle of the second transmission assembly 603 is as follows: under the action of the first transmission assembly 602, the second transmission rod element 603a rotates around the second transmission shaft element 602b. Furthermore, the second transmission rod element 603a can rotate around the third transmission shaft element 603b, or it can not rotate around the third transmission shaft element 603b.

[0141] In some embodiments, the third transmission assembly 604 includes a second transmission support element 604a, a third transmission rod element 604b, and a fourth transmission shaft element 604c. The second transmission support element 604a is disposed on and connected to the support unit 100; the third transmission rod element 604b is connected to both the second transmission support element 604a and the fourth transmission assembly 605, and is used to drive the fourth transmission assembly 605 to rotate under the action of the first transmission assembly 602; the fourth transmission shaft element 604c is connected to both the second transmission support element 604a, the third transmission rod element 604b, and the first transmission assembly 602, and is used to cause relative rotation between the third transmission rod element 604b and the second transmission support element 604a.

[0142] Specifically, the second transmission support element 604a is disposed between the bottom support element 101 and the top support element 103, and is connected to the bottom support element 101 and the top support element 103 respectively; the fourth transmission shaft element 604c is connected to the first transmission rod element 602a.

[0143] In some of these embodiments, the second transmission support element 604a is also connected to the longitudinal support element 102.

[0144] In some of these embodiments, the second transmission support element 604a includes, but is not limited to, a transmission support.

[0145] In some of these embodiments, the second transmission support element 604a may be integrally formed or assembled (e.g., by welding, bolting, etc.).

[0146] In some embodiments, the second transmission support element 604a includes a first longitudinal transmission support member, a second longitudinal transmission support member, and a transverse transmission support member. The first longitudinal transmission support member is disposed between the bottom transverse support member and the top transverse support member, and is connected to the bottom transverse support member, the top transverse support member, and the fourth transmission shaft element 604c, respectively. The second longitudinal transmission support member is disposed between the bottom transverse support member and the top transverse support member, and is connected to the bottom transverse support member and the fourth transmission shaft element 604c, respectively. The transverse transmission support member is connected to the first longitudinal transmission support member, the second longitudinal transmission support member, and the longitudinal support element 102, respectively.

[0147] In some embodiments, the third transmission rod element 604b can be an open structure or a closed structure. For example, an "U"-shaped structure, a "U"-shaped structure, etc.

[0148] In some of these embodiments, the third transmission rod element 604b includes, but is not limited to, a transmission rod or a transmission arm.

[0149] The fourth drive shaft element 604c is connected to the second end of the third drive rod element 604b.

[0150] In some embodiments, the fourth drive shaft element 604c is rotatably connected to the second drive support element 604a, and the fourth drive shaft element 604c is fixedly connected to the first drive rod element 602a and the third drive rod element 604b, respectively. Specifically, when the first drive rod element 602a rotates, the third drive rod element 604b rotates following the first drive rod element 602a.

[0151] In some of these embodiments, the fourth drive shaft element 604c includes, but is not limited to, a drive shaft.

[0152] The working principle of the third transmission component 604 is as follows: under the action of the first transmission component 602, the third transmission rod element 604b rotates following the fourth transmission shaft element 604c.

[0153] In some embodiments, the fourth transmission assembly 605 includes a fourth transmission rod element 605a and a fifth transmission shaft element 605b. The fourth transmission rod element 605a is connected to both the third transmission assembly 604 and the leg plate unit 400, and is used to drive the leg plate unit 400 to rotate under the action of the third transmission assembly 604. The fifth transmission shaft element 605b is connected to both the fourth transmission rod element 605a and the third transmission assembly 604, and is used to cause relative rotation between the fourth transmission rod element 605a and the third transmission assembly 604.

[0154] Specifically, the first end of the fourth transmission rod element 605a is movably connected to the third transmission rod element 604b, and the second end of the fourth transmission rod element 605a is connected to the pedal element 501 (pedal support) for driving the pedal element 501 to rotate under the action of the third transmission rod element 604b; the fifth transmission shaft element 605b is rotatably connected to the first end of the third transmission rod element 604b.

[0155] In some embodiments, the fourth transmission rod element 605a can be an open structure or a closed structure. For example, an "U"-shaped structure, a "U"-shaped structure, etc.

[0156] The fifth drive shaft element 605b is connected to the first end of the fourth drive rod element 605a.

[0157] In some of these embodiments, the fifth drive shaft element 605b includes, but is not limited to, a drive shaft.

[0158] The fourth transmission assembly 605 operates as follows: under the action of the third transmission assembly 604, the fourth transmission rod element 605a rotates around the fifth transmission shaft element 605b. Furthermore, the third transmission rod element 604b can rotate around the fifth transmission shaft element 605b, or it may not rotate around the fifth transmission shaft element 605b.

[0159] In some embodiments, the second drive assembly 606 includes a second drive element 606a, a third transmission support element 606b, and a sixth transmission shaft element 606c. The second drive element 606a is disposed on the support unit 100; the third transmission support element 606b is disposed at the bottom of the back plate unit 300 and is used to drive the back plate unit 300 to rotate relative to the seat plate unit 200; the sixth transmission shaft element 606c is connected to both the second drive element 606a and the third transmission support element 606b, and is used to cause the third transmission support element 606b to rotate relative to the second drive element 606a.

[0160] Specifically, the second drive element 606a is disposed between the top support element 103 (top transverse support) and the longitudinal support element 102, and is connected to the top support element 103 (top transverse support); the third transmission bracket element 606b is disposed at the bottom of the back plate element 301, and is connected to the first rotating assembly 302 (second rotating bracket element 302b).

[0161] In some embodiments, the second drive element 606a includes, but is not limited to, an electric drive structure, a pneumatic drive structure, and a hydraulic drive structure. Examples include a gas spring and an electric actuator.

[0162] In some of these embodiments, the third transmission support element 606b is concave.

[0163] In some of these embodiments, the third transmission support element 606b includes, but is not limited to, a transmission support.

[0164] In some of these embodiments, the sixth drive shaft element 606c includes, but is not limited to, a drive shaft.

[0165] The working principle of the second drive assembly 606 is as follows: the sixth drive shaft element 606c reciprocates along the axial direction of the second drive element 606a following the output end of the second drive element 606a, and the third drive support element 606b rotates around the sixth drive shaft element 606c.

[0166] The method of using this utility model is as follows:

[0167] (i) When it is necessary to switch the new bed-chair device from chair state to bed state, the first drive component 601 and the second drive component 606 shall operate respectively.

[0168] A. Working process of backplane unit 300

[0169] When the second drive element 606a operates, the sixth transmission shaft element 606c moves from the chair position to the bed position along the axial direction of the second drive element 606a, following the output end of the second drive element 606a. The sixth transmission shaft element 606c drives the third transmission support element 606b to rotate around the sixth transmission shaft element 606c. The third transmission support element 606b drives the second rotating support element 302b to rotate around the first rotating shaft element 302c. The second rotating support element 302b drives the back plate element 301 to rotate, thereby switching the back plate element 301 from being substantially perpendicular to the seat plate element 201 to being substantially parallel to the seat plate element 201.

[0170] B. Working process of leg plate unit 400

[0171] The first drive element 601a operates, and the first transmission shaft element 601c and the first transmission support element 601b move from the chair position to the bed position along the axial direction of the first drive element 601a, following the output end of the first drive element 601a. ​​The first transmission rod element 602a rotates around the first transmission shaft element 601c and the second transmission shaft element 602b. The second transmission rod element 603a rotates around the second transmission shaft element 602b and the third transmission shaft element 603b. The first transmission rod element 602a drives the fourth transmission shaft element 604 to rotate, so that the fourth transmission shaft element 604c drives the third transmission rod element 604b to rotate. The third transmission rod element 604b drives the fifth transmission... The shaft element 605b rotates, causing the fourth transmission rod element 605a to rotate around the fifth transmission shaft element 605b; the fourth transmission rod element 605a drives the pedal element 501 to rotate, causing the sixth rotating support element 502b to rotate around the third rotating shaft element 502c, thereby switching the pedal element 501 from being perpendicular to the leg plate element 401 to being parallel to the leg plate element 401; the fourth transmission rod element 605a drives the pedal element 501 to continue rotating, thereby driving the leg plate element 401 to rotate, thereby causing the fourth rotating support element 402b to rotate around the second rotating shaft element 402c, thereby switching the leg plate element 401 from being perpendicular to the seat plate element 201 to being parallel to the seat plate element 201;

[0172] When the novel bed-chair device is in bed mode, the first drive assembly 601 and the second drive assembly 606 stop moving.

[0173] (ii) When it is necessary to switch the new bed-chair device from bed state to chair state, the first drive component 601 and the second drive component 606 shall operate respectively;

[0174] A. Working process of backplane unit 300

[0175] When the second drive element 606a operates, the sixth transmission shaft element 606c moves from the bed position to the chair position along the axial direction of the second drive element 606a, following the output end of the second drive element 606a. The sixth transmission shaft element 606c drives the third transmission support element 606b to rotate around the sixth transmission shaft element 606c. The third transmission support element 606b drives the second rotating support element 302b to rotate around the first rotating shaft element 302c. The second rotating support element 302b drives the back plate element 301 to rotate, thereby switching the back plate element 301 from being parallel to the seat plate element 201 to being perpendicular to the seat plate element 201.

[0176] B. Working process of leg plate unit 400

[0177] The first drive element 601a operates, and the first transmission shaft element 601c and the first transmission support element 601b move from the bed position to the chair position along the axial direction of the first drive element 601a, following the output end of the first drive element 601a. ​​The first transmission rod element 602a rotates around the first transmission shaft element 601c and the second transmission shaft element 602b. The second transmission rod element 603a rotates around the second transmission shaft element 602b and the third transmission shaft element 603b. The first transmission rod element 602a drives the fourth transmission shaft element 604 to rotate, so that the fourth transmission shaft element 604c drives the third transmission rod element 604b to rotate. The third transmission rod element 604b drives the fifth transmission... The shaft element 605b rotates, causing the fourth transmission rod element 605a to rotate around the fifth transmission shaft element 605b; the fourth transmission rod element 605a drives the pedal element 501 to rotate, causing the sixth rotating support element 502b to rotate around the third rotating shaft element 502c, thereby switching the pedal element 501 from being parallel to the leg plate element 401 to being perpendicular to the leg plate element 401; the fourth transmission rod element 605a drives the pedal element 501 to continue rotating, thereby driving the leg plate element 401 to rotate, thereby causing the fourth rotating support element 402b to rotate around the second rotating shaft element 402c, thereby switching the leg plate element 401 from being parallel to the seat plate element 201 to being perpendicular to the seat plate element 201;

[0178] When the novel bed-chair device is in the chair position, the first drive assembly 601 and the second drive assembly 606 stop moving.

[0179] (iii) When it is necessary to switch the new bed-chair device to a tilted state, the first drive assembly 601 and the second drive assembly 606 shall operate respectively;

[0180] A. Working process of seat plate unit 200

[0181] When the first drive element 601a operates, the first transmission shaft element 601c and the first transmission bracket element 601b follow the output end of the first drive element 601a and move along the axial direction of the first drive element 601a from the bed position or chair position to the tilted position; the first transmission rod element 602a rotates around the first transmission shaft element 601c and the second transmission shaft element 602b; the second transmission rod element 603a rotates around the second transmission shaft element 602b and the third transmission shaft element 603b; the seat plate element 201 rotates around the first rotation shaft element 302c under the action of the second transmission rod element 603a, thereby causing the seat plate element 201 to be tilted relative to the top support element 103.

[0182] B. Working process of backplane unit 300

[0183] When the second drive element 606a operates, the sixth transmission shaft element 606c moves along the axial direction of the second drive element 606a from the bed position or chair position to the tilt position, following the output end of the second drive element 606a. The sixth transmission shaft element 606c drives the third transmission support element 606b to rotate around the sixth transmission shaft element 606c. The third transmission support element 606b drives the second rotating support element 302b to rotate around the first rotating shaft element 302c. The second rotating support element 302b drives the back plate element 301 to rotate, thereby positioning the back plate element 301 between being parallel to the seat plate element 201 and perpendicular to the seat plate element 201.

[0184] C. Working process of leg plate unit 400

[0185] The first drive element 601a operates, and the first transmission shaft element 601c and the first transmission support element 601b follow the output end of the first drive element 601a and move along the axial direction of the first drive element 601a from the bed position or chair position to the tilted position; the first transmission rod element 602a rotates around the first transmission shaft element 601c and the second transmission shaft element 602b; the second transmission rod element 603a rotates around the second transmission shaft element 602b and the third transmission shaft element 603b; the first transmission rod element 602a drives the fourth transmission shaft element 604 to rotate, so that the fourth transmission shaft element 604c drives the third transmission rod element 604b to rotate; the third transmission rod element 604b drives the first transmission shaft element 604 to rotate. The fifth drive shaft element 605b rotates, causing the fourth drive rod element 605a to rotate around the fifth drive shaft element 605b; the fourth drive rod element 605a drives the pedal element 501 to rotate, causing the sixth rotating support element 502b to rotate around the third rotating shaft element 502c, thereby positioning the pedal element 501 between being parallel to and perpendicular to the leg plate element 401; the fourth drive rod element 605a drives the pedal element 501 to continue rotating, thereby driving the leg plate element 401 to rotate, thereby causing the fourth rotating support element 402b to rotate around the second rotating shaft element 402c, thereby positioning the leg plate element 401 between being parallel to and perpendicular to the seat plate element 201;

[0186] When the new bed-chair device is in an inclined state, the first drive assembly 601 and the second drive assembly 606 stop moving.

[0187] The technical effects of this embodiment are as follows: By using the transmission unit to simultaneously drive the backrest unit and the pedal unit to rotate, the new bed-chair device can quickly switch between chair and bed states to meet different usage requirements; it is easy to operate, with simple steps, and the state switching can be completed without complicated operations, making it convenient for users to use at home; by using the transmission unit to simultaneously drive the pedal unit and the seat unit to rotate, the tilt angle of the seat unit can be adjusted to meet different usage requirements.

[0188] Example 2

[0189] This embodiment is a modified embodiment of embodiment 1.

[0190] like Figure 5 As shown, the back panel unit 300 also includes at least one handle element 303. The handle element 303 is disposed at the rear of the back panel element 301 and is used to push the novel bed-chair device when it is in the chair position.

[0191] In some of these embodiments, the handle element 303 is connected to the backplate support.

[0192] In some embodiments, there are multiple handle elements 303. These handle elements 303 are spaced apart along the length of the backplate element 301. In some embodiments, the handle elements 303 include, but are not limited to, grips.

[0193] Furthermore, such as Figure 5 As shown, the back panel unit 300 further includes at least one fourth rotation component 304. The fourth rotation component 304 is disposed between the back panel element 301 and the corresponding handle element 303, and is used to cause the corresponding handle element 303 to rotate relative to the back panel element 301.

[0194] The handle element 303 has a used state and a ready-to-use state. When the handle element 303 is in the ready-to-use state, the handle element 303 is arranged substantially parallel to the back panel element 301; when the handle element 303 is in the used state, the handle element 303 is arranged substantially perpendicular to the back panel element 301.

[0195] The number of fourth rotating components 304 matches the number of handle elements 303. Generally, the number of fourth rotating components 304 is equal to the number of handle elements 303. That is, there is a one-to-one correspondence between the fourth rotating components 304 and the handle elements 303.

[0196] In some embodiments, there are multiple fourth rotating components 304. These multiple fourth rotating components 304 are spaced apart along the length of the backplate element 301.

[0197] In some embodiments, the fourth rotating assembly 304 includes a seventh rotating support element 304a, an eighth rotating support element 304b, and a fourth rotating shaft element 304c. The seventh rotating support element 304a is disposed at the rear of the backplate element 301; the eighth rotating support element 304b is disposed at the end of the handle element 303 and is movably connected to the seventh rotating support element 304a; the fourth rotating shaft element 304c is connected to both the seventh rotating support element 304a and the eighth rotating support element 304b, enabling relative rotation between them.

[0198] Specifically, the seventh rotating bracket element 304a is disposed on the back plate support and connected to the back plate support.

[0199] The seventh rotating bracket element 304a and the back plate element 301 (back plate support) can be integrally formed or assembled (e.g., by welding, bolting, etc.).

[0200] In some of these embodiments, the seventh rotating support element 304a includes, but is not limited to, a rotating support, a rotating seat, a rotating block, etc.

[0201] The eighth rotating bracket element 304b and the handle element 303 can be integrally formed or assembled (e.g., by welding, bolting, etc.).

[0202] In some of these embodiments, the eighth rotating support element 304b includes, but is not limited to, a rotating support, a rotating seat, a rotating block, etc.

[0203] In some of these embodiments, the fourth rotating shaft element 304c includes, but is not limited to, a rotating shaft.

[0204] In some embodiments, the fourth rotating component 304 is a rotating component with a locking function, meaning that the fourth rotating component 304 can only rotate under the action of external force. Specifically, when the handle element 303 is perpendicular to the back plate element 301, the handle element 303 can remain in a vertical state for a long time.

[0205] The working principle of the fourth rotating component 304 is as follows: the seventh rotating support element 304a remains stationary, the fourth rotating shaft element 304c remains stationary, and the eighth rotating support element 304b rotates around the fourth rotating shaft element 304c as the central axis.

[0206] The usage method of this embodiment is as follows:

[0207] When the handle element 303 is needed, grasp the handle element 303 and rotate it; the handle element 303 drives the eighth rotating support element 304b to rotate, thereby causing the eighth rotating support element 304b to rotate around the fourth rotating shaft element 304c, thereby causing the handle element 303 to switch from being parallel to the back plate element 301 to being perpendicular to the back plate element 301.

[0208] When the handle element 303 is not needed, hold the handle element 303 and rotate it; the handle element 303 drives the eighth rotating support element 304b to rotate, thereby causing the eighth rotating support element 304b to rotate around the fourth rotating shaft element 304c, thereby switching the handle element 303 from being perpendicular to the back plate element 301 to being parallel to the back plate element 301.

[0209] The technical effects of this embodiment are as follows: the handle element makes it easy for users to push the new bed-chair device; the fourth rotating component can fold and store the handle element, reducing the floor space occupied.

[0210] Example 3

[0211] This embodiment is a modified embodiment of Embodiments 1 and 2.

[0212] like Figure 8 As shown, the transmission unit 600 also includes a fifth rotating component 607. The fifth rotating component 607 is disposed between the first driving component 601 and the support unit 100, and is used to cause the first driving component 601 and the support unit 100 to rotate relative to each other.

[0213] Specifically, the fifth rotating component 607 is disposed between the first driving component 601 and the bottom support element 101, and is used to cause the first driving component 601 and the bottom support element 101 to rotate relative to each other.

[0214] More specifically, the fifth rotating assembly 607 is disposed between the first driving element 601a and the first bottom longitudinal support member, for causing the first driving element 601a and the bottom support member 101 to rotate relative to each other.

[0215] In some embodiments, the fifth rotating assembly 607 includes a ninth rotating support element 607a, a tenth rotating support element 607b, and a fifth rotating shaft element 607c. The ninth rotating support element 607a is disposed at the bottom of the support unit 100; the tenth rotating support element 607b is disposed at the end of the first driving assembly 601 and is movably connected to the ninth rotating support element 607a; the fifth rotating shaft element 607c is connected to both the ninth rotating support element 607a and the tenth rotating support element 607b, enabling relative rotation between the tenth rotating support element 607b and the ninth rotating support element 607a.

[0216] Specifically, the ninth rotating bracket element 607a is disposed on the side of the bottom support element 101 and connected to the bottom support element 101; the tenth rotating bracket element 607b is disposed on the driving end of the first driving element 601a and connected to the first driving element 601a.

[0217] The ninth rotating support element 607a and the bottom support element 101 (first bottom longitudinal support) can be integrally formed or assembled (e.g., by welding, bolting, etc.).

[0218] In some of these embodiments, the ninth rotating support element 607a includes, but is not limited to, a rotating support, a rotating seat, a rotating block, etc.

[0219] The tenth rotating support element 607b and the first driving element 601a can be integrally formed or assembled (e.g., by welding, bolting, etc.).

[0220] In some of these embodiments, the tenth rotating support element 607b includes, but is not limited to, a rotating support, a rotating seat, a rotating block, etc.

[0221] In some of these embodiments, the fifth rotating shaft element 607c includes, but is not limited to, a rotating shaft.

[0222] The working principle of the fifth rotating component 607 is as follows: the ninth rotating support element 607a remains stationary, the fifth rotating shaft element 607c remains stationary, and the tenth rotating support element 607b rotates around the fifth rotating shaft element 607c as the central axis.

[0223] Furthermore, such as Figure 8 As shown, the transmission unit 600 also includes a sixth rotating component 608. The sixth rotating component 608 is disposed between the second driving component 606 and the support unit 100, and is used to cause the second driving component 606 and the support unit 100 to rotate relative to each other.

[0224] Specifically, the sixth rotating component 608 is disposed between the second driving component 606 and the top support element 103, and is used to cause the second driving component 606 and the top support element 103 to rotate relative to each other.

[0225] More specifically, the sixth rotating assembly 608 is disposed between the second driving element 606a and the top transverse support member, and is connected to the second driving element 606a and the top transverse support member respectively.

[0226] In some embodiments, the sixth rotating assembly 608 includes an eleventh rotating support element 608a, a twelfth rotating support element 608b, and a sixth rotating shaft element 608c. The eleventh rotating support element 608a is disposed on the top of the support unit 100; the twelfth rotating support element 608b is disposed at the end of the second drive assembly 606 and is movably connected to the eleventh rotating support element 608a; the sixth rotating shaft element 608c is connected to both the eleventh rotating support element 608a and the twelfth rotating support element 608b, and is used to cause relative rotation between the twelfth rotating support element 608b and the eleventh rotating support element 608a.

[0227] Specifically, the eleventh rotating bracket element 608a is disposed on the side of the top support element 103 and connected to the top support element 103; the twelfth rotating bracket element 608b is disposed on the driving end of the second driving element 606a and connected to the second driving element 606a.

[0228] The eleventh rotating bracket element 608a and the top support element 103 (top transverse support) can be integrally formed or assembled (e.g., by welding, bolting, etc.).

[0229] In some of these embodiments, the eleventh rotating support element 608a includes, but is not limited to, a rotating support, a rotating seat, a rotating block, etc.

[0230] The twelfth rotating support element 608b and the second driving element 606a can be integrally formed or assembled (e.g., by welding, bolting, etc.).

[0231] In some of these embodiments, the twelfth rotating support element 608b includes, but is not limited to, a rotating support, a rotating seat, a rotating block, etc.

[0232] In some of these embodiments, the sixth rotating shaft element 608c includes, but is not limited to, a rotating shaft.

[0233] The working principle of the sixth rotating component 608 is as follows: the eleventh rotating support element 608a remains stationary, the sixth rotating shaft element 608c remains stationary, and the twelfth rotating support element 608b rotates around the sixth rotating shaft element 608c as the central axis.

[0234] The usage method of this embodiment is basically the same as that of embodiments 1 to 3, and will not be repeated here.

[0235] The technical effects of this embodiment are as follows: the fifth rotating component allows the first driving component to move, thus preventing damage to the first driving component; the sixth rotating component allows the second driving component to move, thus preventing damage to the second driving component.

[0236] Example 4

[0237] This embodiment is a modified embodiment of Embodiments 1 to 3.

[0238] like Figures 1-2 As shown, the new bed-chair device also includes an armrest unit 700. The armrest unit 700 is disposed at the top of the support unit 100 and located on both sides of the seat unit 200, and the bottom end of the armrest unit 700 is rotatably connected to the top end of the support unit 100.

[0239] like Figure 9 As shown, the armrest unit 700 includes a plurality of armrest elements 701 and a plurality of seventh rotating components 702. The plurality of armrest elements 701 are movably disposed at the top of the support unit 100 and symmetrically disposed on both sides of the seat unit 200; the plurality of seventh rotating components 702 are respectively disposed between the corresponding armrest elements 701 and the support unit 100, for causing the corresponding armrest elements 701 and the support unit 100 to rotate.

[0240] Specifically, a plurality of armrest elements 701 are movably disposed at the top of the top support element 103 (first top longitudinal support member, second top longitudinal support member) and symmetrically disposed on both sides of the seat plate element 201; a plurality of seventh rotation components 702 are respectively disposed between the corresponding armrest elements 701 and the top support element 103 (first top longitudinal support member, second top longitudinal support member) to cause the corresponding armrest elements 701 and the top support element 103 (first top longitudinal support member, second top longitudinal support member) to rotate.

[0241] Generally, at least one armrest element 701 is provided on each side of the seat element 201.

[0242] When a plurality of armrest elements 701 are provided on each side of the seat plate element 201, the plurality of armrest elements 701 are spaced apart along the length direction of the first top longitudinal support (second top longitudinal support).

[0243] Generally, the number of armrest elements 701 provided on the first side of the seat plate element 201 is equal to the number of armrest elements 701 provided on the second side of the seat plate element 201.

[0244] In some of these embodiments, the armrest element 701 includes, but is not limited to, an armrest.

[0245] The number of seventh rotating components 702 matches the number of handrail elements 701. Generally, the number of seventh rotating components 702 is an integer multiple of the number of handrail elements 701. That is, each handrail element 701 corresponds to at least one seventh rotating component 702.

[0246] In the case where each handrail element 701 corresponds to a plurality of seventh rotating components 702, the plurality of seventh rotating components 702 are spaced apart along the length direction of the handrail element 701.

[0247] In some embodiments, the seventh rotation assembly 702 includes a thirteenth rotation support element 702a, a fourteenth rotation support element 702b, and a seventh rotation shaft element 702c. The thirteenth rotation support element 702a is disposed at the top of the support unit 100; the fourteenth rotation support element 702b is disposed at the bottom of the handrail element 701 and is movably connected to the thirteenth rotation support element 702a; the seventh rotation shaft element 702c is connected to both the thirteenth rotation support element 702a and the fourteenth rotation support element 702b, enabling relative rotation between the fourteenth rotation support element 702b and the thirteenth rotation support element 702a.

[0248] Specifically, the thirteenth rotating bracket element 702a is disposed on the first top longitudinal support (or the second top longitudinal support) and connected to the first top longitudinal support (or the second top longitudinal support).

[0249] The thirteenth rotating bracket element 702a and the top support element 103 (first top longitudinal support or second top longitudinal support) can be integrally formed or assembled (e.g., by welding, bolting, etc.).

[0250] In some of these embodiments, the thirteenth rotating support element 702a includes, but is not limited to, a rotating support, a rotating seat, a rotating block, etc.

[0251] The fourteenth rotating support element 702b and the handrail element 701 can be integrally formed or assembled (e.g., by welding, bolting, etc.).

[0252] In some of these embodiments, the fourteenth rotating support element 702b includes, but is not limited to, a rotating support, a rotating seat, a rotating block, etc.

[0253] In some of these embodiments, the seventh rotating shaft element 702c includes, but is not limited to, a rotating shaft.

[0254] The working principle of the seventh rotating component 702 is as follows: the thirteenth rotating support element 702a remains stationary, the seventh rotating shaft element 702c remains stationary, and the fourteenth rotating support element 702b rotates around the seventh rotating shaft element 702c as the central axis.

[0255] Furthermore, the armrest unit 700 also includes a plurality of locking elements 703. The plurality of locking elements 703 are respectively connected to the corresponding seventh rotation assembly 702, and are used to lock or unlock the corresponding seventh rotation assembly 702.

[0256] Specifically, several locking elements 703 are respectively connected to the corresponding thirteenth rotating bracket element 702a and fourteenth rotating bracket element 702b.

[0257] The number of locking elements 703 matches the number of seventh rotating components 702. Generally, the number of locking elements 703 is equal to the number of seventh rotating components 702.

[0258] Locking element 703 is movably connected to the thirteenth rotating bracket element 702a and detachably connected to the fourteenth rotating bracket element 702b. For example, locking element 703 and the thirteenth rotating bracket element 702a can be rotatably connected and / or slidably connected, and locking element 703 and the fourteenth rotating bracket element 702b can be inserted, abutted, etc.

[0259] In some embodiments, the locking element 703 includes, but is not limited to, a locking pin, such as a self-locking pin.

[0260] The usage method of this embodiment is as follows:

[0261] (a) Folding armrest component 701

[0262] Separate the locking element 703 from the fourteenth rotating support element 702b (e.g., pull the locking element 703 outward and rotate it); rotate the armrest element 701, causing the fourteenth rotating support element 702b to rotate about the seventh rotating axis element 702c, thereby switching the armrest element 701 from being perpendicular to the seat plate element 201 to being parallel to the seat plate element 201; lock the locking element 703 to the fourteenth rotating support element 702b (e.g., insert the locking element 703 inward and rotate it).

[0263] (ii) Reset handrail component 701

[0264] Separate the locking element 703 from the fourteenth rotating support element 702b (e.g., pull the locking element 703 outward and rotate the locking element 703); rotate the armrest element 701, causing the fourteenth rotating support element 702b to rotate about the seventh rotating axis element 702c, thereby switching the armrest element 701 from being parallel to the seat plate element 201 to being perpendicular to the seat plate element 201; lock the locking element 703 to the fourteenth rotating support element 702b (e.g., insert the locking element 703 inward and rotate the locking element 703).

[0265] The technical effects of this embodiment are as follows: by using the flip-up armrest unit, it is convenient to move the user in a lying position outward from the new bed-chair device when the new bed-chair device is in the bed position, thereby facilitating the transfer of the user in an emergency.

[0266] Example 5

[0267] This embodiment is a modified embodiment of Embodiments 1 to 4.

[0268] like Figures 1-2 As shown, the novel bed-chair device also includes a control unit 800. The control unit 800 is located at the bottom end of the support unit 100 and is connected to the transmission unit 600, and is used to control the transmission unit 600.

[0269] like Figure 10 As shown, the control unit 800 includes at least one control element 801 and at least one eighth rotation assembly 802. The control element 801 is movably disposed at the bottom of the support unit 100 and connected to the transmission unit 600, for controlling the transmission unit 600; the eighth rotation assembly 802 is disposed between the corresponding control element 801 and the support unit 100, for causing the corresponding control element 801 to rotate relative to the support unit 100.

[0270] Specifically, the control element 801 is disposed on the bottom support element 101 (the first longitudinal bottom support or the second longitudinal bottom support) and connected to the first drive assembly 601 and the second drive assembly 606, and is used to control the first drive assembly 601 and the second drive assembly 606 respectively; the eighth rotation assembly 802 is disposed between the corresponding control element 801 and the bottom support element 101 (the first longitudinal bottom support or the second longitudinal bottom support), and is used to cause the corresponding control element 801 and the bottom support element 101 (the first longitudinal bottom support or the second longitudinal bottom support) to rotate relative to each other.

[0271] In some embodiments, there are multiple control elements 801. The multiple control elements 801 are distributed on the bottom support element 101 and are respectively connected to the first drive element 601a and the second drive element 606a.

[0272] Generally, the first driving element 601a is connected to at least one control element 801, and the second driving element 606a is connected to at least one control element 801.

[0273] In some embodiments, the first driving element 601a and the second driving element 606a may be controlled by the same control element 801 or by different control elements 801.

[0274] In some of these embodiments, the control element 801 is connected to the first drive element 601a via a cable.

[0275] In some of these embodiments, the control element 801 is connected to the second drive element 606a via a cable.

[0276] In some of these embodiments, the control element 801 includes, but is not limited to, a foot pedal control panel.

[0277] In some embodiments, the eighth rotating assembly 802 includes a fifteenth rotating support element 802a, a sixteenth rotating support element 802b, and an eighth rotating shaft element 802c. The fifteenth rotating support element 802a is disposed at the bottom of the support unit 100; the sixteenth rotating support element 802b is disposed at the bottom of the handrail element 701 and is movably connected to the fifteenth rotating support element 802a; the eighth rotating shaft element 802c is connected to both the fifteenth rotating support element 802a and the sixteenth rotating support element 802b, enabling relative rotation between the sixteenth rotating support element 802b and the fifteenth rotating support element 802a.

[0278] Specifically, the fifteenth rotating support element 802a is disposed on the first longitudinal bottom support or the second longitudinal bottom support.

[0279] The fifteenth rotating bracket element 802a and the bottom support element 101 (first bottom longitudinal support or second bottom longitudinal support) can be integrally formed or assembled (e.g., by welding, bolting, etc.).

[0280] In some of these embodiments, the fifteenth rotating support element 802a includes, but is not limited to, a rotating support, a rotating seat, a rotating block, etc.

[0281] The sixteenth rotating support element 802b and the control element 801 can be integrally formed or assembled (e.g., by welding, bolting, etc.).

[0282] In some of these embodiments, the sixteenth rotating support element 802b includes, but is not limited to, a rotating support, a rotating seat, a rotating block, etc.

[0283] In some of these embodiments, the eighth rotating shaft element 802c includes, but is not limited to, a rotating shaft.

[0284] The working principle of the eighth rotating component 802 is as follows: the fifteenth rotating support element 802a remains stationary, the eighth rotating shaft element 802c remains stationary, and the sixteenth rotating support element 802b rotates around the eighth rotating shaft element 802c as the central axis.

[0285] The usage method of this embodiment is as follows:

[0286] When it is necessary to control the first drive assembly 601 and the second drive assembly 606, the user steps on the control element 801 to make the control element 801 rotate, thereby driving the sixteenth rotating bracket element 802b to rotate around the eighth rotating shaft element 802c, which in turn causes the cables connected to the control element 801, the first drive assembly 601, and the second drive assembly 606 to move, thereby controlling the first drive assembly 601 and the second drive assembly 606.

[0287] The technical effects of this embodiment are as follows: the use of a pedal-type control unit makes it easy for users to control the transmission unit, and the operation is simple and convenient.

[0288] The above description is only a preferred embodiment of the present utility model and does not limit the implementation method and protection scope of the present utility model. Those skilled in the art should realize that all solutions obtained by equivalent substitutions and obvious changes made based on the description and illustrations of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A novel bed-chair device, characterized in that, include: Support unit, the support unit being disposed on a horizontal plane; A seat plate unit, wherein the seat plate unit is disposed on top of the support unit; A leg plate unit, which is rotatably disposed on top of the support unit and located in front of the seat plate unit; A pedal unit, which is rotatably disposed at the end of the leg plate unit; A transmission unit is connected to the support unit, the seat plate unit, and the pedal unit respectively, and is used to make the seat plate unit, the leg plate unit, and the pedal unit move synchronously.

2. The novel bed-chair device according to claim 1, characterized in that, The support unit includes: A bottom support element, which is disposed on a horizontal plane and connected to the transmission unit; A plurality of longitudinal support elements are distributed on top of the bottom support element; A top support element, wherein the top support element is disposed on top of a plurality of longitudinal support elements and is respectively connected to the plurality of longitudinal support elements, the seat plate unit, the leg plate unit, and the transmission unit; and / or The seat plate unit includes: A seat plate element, wherein the seat plate element is disposed on the top of the support unit, and the leg plate unit is movably disposed on the front side of the seat plate element; and / or The leg plate unit includes: A leg plate element is movably disposed on the top of the support unit and located in front of the seat plate unit, and the pedal unit is movably disposed at the end of the leg plate element; At least one second rotating assembly, disposed between the leg plate element and the support unit, for causing relative rotation between the leg plate unit and the support unit; and / or The pedal unit includes: A pedal element is movably disposed at the bottom of the leg plate unit and connected to the transmission unit, and is used to rotate relative to the leg plate unit under the action of the transmission unit and to drive the leg plate unit to rotate relative to the support unit; At least one third rotating assembly, disposed between the pedal element and the leg plate unit, for causing relative rotation between the pedal element and the leg plate unit; and / or The transmission unit includes: A first driving component is disposed on and connected to the support unit; A first transmission assembly is connected to the first drive assembly and is used to move under the action of the first drive assembly; The second transmission assembly is connected to the first transmission assembly and the seat plate unit respectively, and is used to move under the action of the first transmission assembly; A third transmission component is connected to the first transmission component and the support unit respectively, and is used to move under the action of the first transmission component; A fourth transmission component is connected to the third transmission component and the pedal unit respectively, and is used to drive the pedal unit to rotate under the action of the third transmission component.

3. The novel bed-chair device according to claim 2, characterized in that, The second rotating assembly includes: The third rotating support element is disposed on the top of the support unit and located on the front side of the seat plate unit; A fourth rotating support element is disposed on the top of the leg plate element and is movably connected to the third rotating support element; A second rotating shaft element, which is connected to the third rotating support element and the fourth rotating support element respectively, is used to cause the fourth rotating support element to rotate relative to the third rotating support element; and / or The third rotating component includes: A fifth rotating support element is disposed at the bottom of the leg plate element; A sixth rotating support element is disposed at the rear end of the pedal element and is movably connected to the fifth rotating support element; A third rotating shaft element, which is connected to the fifth rotating support element and the sixth rotating support element respectively, is used to cause the sixth rotating support element to rotate relative to the fifth rotating support element; and / or The first driving component includes: A first driving element is disposed in the support unit; A first transmission support element is disposed at the end of the first driving element and is used to reciprocate along the axial direction of the first driving element under the action of the first driving element. A first drive shaft element, which is connected to both the first drive support element and the first drive assembly, is used to cause the first drive assembly to rotate relative to the first drive support element under the action of the first drive support element; and / or The first transmission assembly includes: A first transmission rod element is connected to the first drive assembly, the second transmission assembly, and the third transmission assembly respectively, and is used to drive the third transmission assembly to rotate under the action of the first drive assembly; A second drive shaft element is connected to the first drive rod element and the second drive assembly respectively, and is used to cause relative rotation between the first drive rod element and the second drive assembly; and / or The second transmission assembly includes: The second transmission rod element is connected to the first transmission assembly and the seat plate unit respectively, and is used to rotate under the action of the first transmission assembly; A third drive shaft element, which is connected to the second drive rod element and the seat plate unit respectively, is used to cause relative rotation between the second drive rod element and the seat plate unit; and / or The third transmission component includes: A second transmission support element is disposed on the support unit and connected to the support unit; The third transmission rod element is connected to the second transmission support element and the fourth transmission assembly respectively, and is used to drive the fourth transmission assembly to rotate under the action of the first transmission assembly; A fourth transmission shaft element, which is connected to the second transmission support element, the third transmission rod element, and the first transmission assembly respectively, is used to cause relative rotation between the third transmission rod element and the second transmission support element; and / or The fourth transmission component includes: A fourth transmission rod element is connected to the third transmission assembly and the pedal unit respectively, and is used to drive the pedal unit to rotate under the action of the third transmission assembly. A fifth transmission shaft element is connected to the fourth transmission rod element and the third transmission assembly respectively, and is used to cause the fourth transmission rod element and the third transmission assembly to rotate relative to each other.

4. The novel bed-chair device according to claim 2, characterized in that, The support unit also includes: A plurality of movable elements, wherein the plurality of movable elements are distributed at the bottom of the bottom support element, for assisting in moving the novel bed-chair device; and / or The transmission unit also includes: A fifth rotating component is disposed between the first driving component and the support unit, and is used to cause the first driving component and the support unit to rotate relative to each other.

5. The novel bed-chair device according to claim 4, characterized in that, The fifth rotating component includes: A ninth rotating support element is disposed at the bottom of the support unit; A tenth rotating support element is disposed at the end of the first driving assembly and is movably connected to the ninth rotating support element; A fifth rotating shaft element is connected to the ninth rotating support element and the tenth rotating support element respectively, and is used to make the tenth rotating support element and the ninth rotating support element rotate relative to each other.

6. The novel bed-chair device according to any one of claims 1 to 5, characterized in that, Also includes: A backplate unit, rotatably mounted on top of the support unit and located behind the seat plate unit, and connected to the transmission unit for rotation under the action of the transmission unit; and / or An armrest unit, wherein the armrest unit is disposed at the top of the support unit and located on both sides of the seat unit, and the bottom end of the armrest unit is rotatably connected to the top end of the support unit; and / or A control unit is disposed at the bottom end of the support unit and connected to the transmission unit for controlling the transmission unit.

7. The novel bed-chair device according to claim 6, characterized in that, The backplate unit includes: A backplate element, which is rotatably disposed on the top of the support unit and located on the rear side of the base plate unit; At least one first rotating assembly, disposed between the back plate element and the seat plate unit and connected to the transmission unit, is used to cause relative rotation between the back plate element and the seat plate unit under the action of the transmission unit; and / or The transmission unit also includes: A second drive assembly is disposed on the support unit and connected to both the support unit and the back plate unit, for driving the back plate unit to rotate; and / or The armrest unit includes: A plurality of armrest elements are movably disposed at the top of the support unit and symmetrically disposed on both sides of the seat plate unit; A plurality of seventh rotating components, each disposed between a corresponding armrest element and a support unit, are used to cause the corresponding armrest element and support unit to rotate; and / or The control unit includes: At least one control element is movably disposed at the bottom of the support unit and connected to the transmission unit for controlling the transmission unit; At least one eighth rotation assembly is disposed between the corresponding control element and the support unit, for causing the corresponding control element and the support unit to rotate relative to each other.

8. The novel bed-chair device according to claim 7, characterized in that, The first rotating assembly includes: A first rotating support element is disposed at the rear of the seat plate unit and connected to the seat plate unit; The second rotating support element is disposed at the bottom of the back plate element, and is movably connected to the first rotating support element and connected to the transmission unit; A first rotating shaft element, which is connected to both a first rotating support element and a second rotating support element, is used to cause relative rotation between the second rotating support element and the first rotating support element; and / or The backplate unit also includes: At least one handle element, the handle element being disposed at the rear of the back panel element, for pushing the novel bed-chair assembly when the novel bed-chair assembly is in the chair position; and / or The second driving component includes: A second driving element is disposed in the support unit; The third transmission support element is disposed at the bottom of the back plate unit and is used to drive the back plate unit to rotate relative to the seat plate unit; A sixth transmission shaft element, which is connected to the second drive element and the third transmission support element respectively, is used to cause relative rotation between the third transmission support element and the second drive element; and / or The transmission unit also includes: A sixth rotating assembly, disposed between the second driving assembly and the support unit, is used to cause relative rotation between the second driving assembly and the support unit; and / or The armrest unit also includes: A plurality of locking elements, each of which is connected to a corresponding seventh rotating assembly, are used to lock or unlock the corresponding seventh rotating assembly; and / or The seventh rotating component includes: The thirteenth rotating support element is disposed on the top of the support unit; The fourteenth rotating support element is disposed at the bottom of the handrail element and is movably connected to the thirteenth rotating support element; A seventh rotating shaft element, which is connected to the thirteenth rotating support element and the fourteenth rotating support element respectively, is used to cause relative rotation between the fourteenth rotating support element and the thirteenth rotating support element; and / or The eighth rotating component includes: The fifteenth rotating support element is disposed at the bottom of the support unit; The sixteenth rotating support element is disposed at the bottom of the handrail element and is movably connected to the fifteenth rotating support element; The eighth rotating shaft element is connected to the fifteenth rotating support element and the sixteenth rotating support element respectively, and is used to enable the sixteenth rotating support element and the fifteenth rotating support element to rotate relative to each other.

9. The novel bed-chair device according to claim 8, characterized in that, The backplate unit also includes: At least one fourth rotating assembly, the fourth rotating assembly being disposed between the back plate element and the corresponding handle element, for causing relative rotation between the corresponding handle element and the back plate element; and / or The sixth rotating component includes: The eleventh rotating support element is disposed on the top of the support unit; The twelfth rotating support element is disposed at the end of the second drive assembly and is movably connected to the eleventh rotating support element; A sixth rotating shaft element is connected to the eleventh rotating support element and the twelfth rotating support element respectively, and is used to enable the twelfth rotating support element and the eleventh rotating support element to rotate relative to each other.

10. The novel bed-chair device according to claim 9, characterized in that, The fourth rotating component includes: A seventh rotating support element is disposed at the rear of the back plate unit; An eighth rotating support element is disposed at the end of the handle element and is movably connected to the seventh rotating support element; A fourth rotating shaft element is connected to the seventh rotating support element and the eighth rotating support element respectively, and is used to make the seventh rotating support element and the eighth rotating support element rotate relative to each other.

Images