Bed chair
By designing a simple and compact bed chair, using the articulated backrest and transmission mechanism to achieve flexible conversion of the bed chair, the existing wheelchair bed has solved the problems of complex structure, large size and inconvenient use, and improved the convenience and flexibility of use.
Patent Information
- Application Number
- CN202421793581.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-29
- Publication Date
- 2025-05-23
- Estimated Expiration
- 2034-07-29
AI Technical Summary
In the prior art, the wheelchair bed has a complex structure, large size and high production cost. When used, the patient needs nursing staff to intervene to convert, which is not convenient enough.
A simple and compact bed chair is designed, including a bed body and a displaceable wheelchair body. The rear side of the wheelchair body is hinged with an unfolded backrest. The middle part of the bed body is equipped with a receiving area for receiving the wheelchair body, and the folding and unfolding of the backrest and the movable bed plate is achieved through a transmission mechanism.
It improves the compact structure and compact size of the bed and chair, more flexible movements, more convenient use, and reduces dependence on nursing staff.
Smart Images

Figure CN222889126U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of nursing equipment, in particular to a bed and a chair with a detachable bed and a chair. Background Art
[0002] At present, there is a lack of various nursing tools for elderly or disabled patients. Such patients can only lie in bed or sit in wheelchairs most of the time. Traditional beds and wheelchairs can only be used by patients lying down, and although there are folding wheelchairs, the backrest, seat cushion and footrest are rotated to the same horizontal plane and combined with the bed, so that the patient can lie down and rest when needed, and the user can also push the wheelchair to go out for a walk. However, when using it, when the patient switches between the bed and the wheelchair, the nursing staff needs to intervene and push the wheelchair to the bedside so that the patient can complete the switch between the bed and the chair, which is not convenient enough;
[0003] In the prior art, a disclosed Chinese invention patent with application number CN202310574203.0 discloses a detachable wheelchair bed, comprising a bed frame and a bed board, wherein a connecting groove is provided on the top surface of one side of the bed board; a seat board is arranged in the connecting groove; a back board and a headrest are arranged at one end of the seat board, and a leg board is hinged at the other end, and the seat board, back board, headrest and leg board are all adapted to the connecting groove; when the back board and the leg board are rotated to the same horizontal plane as the seat board, a complete bed body can be formed for the patient to use, and when the patient needs to go out in a wheelchair, the patient moves to the seat board, and then the back board and the leg board are rotated to form a wheelchair for the patient to use;
[0004] Although the above-mentioned detachable wheelchair bed improves the convenience of use, it still has the disadvantages that the length of the wheelchair after unfolding is close to the length of the bed, the volume is large, the structure is complex, and the manufacturing cost is high. Utility Model Content
[0005] The utility model aims to overcome the defects of the prior art and provide a bed chair with a simple and compact structure and a small size.
[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0007] The bed chair disclosed in the utility model comprises:
[0008] A bed and a movable wheelchair body;
[0009] The wheelchair body has a backrest hinged at the rear side thereof which is parallel to the horizontal plane after being unfolded;
[0010] A receiving area with a width matching the width of the wheelchair body and used to receive the wheelchair body is provided in the middle of the bed. The receiving area extends along the width direction of the bed so that the backrest can be unfolded perpendicular to the width direction of the bed. The wheelchair body and the backrest cover the receiving area.
[0011] Furthermore, a groove is provided at least at one end of the upper surface of the bed body, and the groove is located on the receiving area side and is hinged with a movable bed board that can be folded upward. The movable bed board is fixedly connected to a support arm, and a support is fixedly connected to the lower part of the bed body. A transmission mechanism for driving the movable bed board to fold or unfold is connected between the support arm and the support.
[0012] Furthermore, the wheelchair body includes a base frame and a seat frame fixedly connected to the base frame, the rear side of the seat frame is hinged to the side beam of the backrest, the side beam is fixedly connected to a support arm, the front side of the seat frame is fixedly connected to a support, and a transmission mechanism for driving the backrest to fold or unfold is connected between the support arm and the support.
[0013] Furthermore, the transmission mechanism includes a transmission rod, a screw rod spirally transmitted with the transmission rod, and a rocker movably connected with the screw rod;
[0014] The screw rod is rotatably connected to the support;
[0015] A transmission shaft connected with the support arm is installed at the end of the transmission rod.
[0016] Furthermore, the seat frame is an inverted L-shaped structure, the bottom end of the seat frame is fixedly connected to a first main beam, and is connected to one end of the base frame through the first main beam, the rear side of the seat frame is fixedly connected to a second main beam, a vibration reduction mechanism is connected between the second main beam and the base frame, and the seat frame is floatingly supported by the vibration reduction mechanism.
[0017] Furthermore, rear wheels are symmetrically installed on the rear side of the base frame, and front wheels are symmetrically installed on the vertical beams on the front side of the seat frame. The diameter of the rear wheels is larger than the diameter of the front wheels, and both the front wheels and the rear wheels are provided with braking devices.
[0018] Furthermore, the seat frame also includes wheelchair armrests and footrests. The wheelchair armrests are detachably connected to the side beams of the seat frame. The footrests are rotatably connected above the first main beam on the front side of the seat frame. A third main beam is provided on the upper surface of the front side of the seat frame, and the support is fixedly connected to the third main beam.
[0019] Furthermore, a seat plate is fixedly connected to the upper portion of the seat frame, and a convenience hole is provided on the seat plate.
[0020] Furthermore, a bracket is fixedly connected to the top of the backrest, a telescopic rod is fixedly connected to the bracket, and a headrest is connected to the top of the telescopic rod.
[0021] Furthermore, a first guardrail is fixedly connected to one side of the bed body, and a second guardrail is fixedly connected to the other side of the bed body. The second guardrail includes a main body portion, and a gate is hinged to the main body portion. The receiving area is opened or closed by the gate.
[0022] In the above technical solution, the bed chair provided by the utility model has the following beneficial effects:
[0023] Compared with the prior art, the bed chair designed by the utility model has a backrest hinged on the rear side of the wheelchair main body which is parallel to the horizontal plane after being unfolded, a receiving area for receiving the wheelchair main body is opened in the middle of the bed body, the receiving area extends along the width direction of the bed body, and the width of the receiving area is adapted to the width of the wheelchair main body, the backrest is unfolded perpendicular to the width direction of the bed body, and the length of the wheelchair main body plus the backrest is consistent with the width of the bed body, which effectively improves the compactness of the bed chair structure, has a small size, is more flexible in movement, and is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.
[0025] Figure 1 It is an axonometric view of the bed chair disclosed in the utility model;
[0026] Figure 2 It is an axonometric view of the first embodiment of the bed chair body disclosed in the utility model;
[0027] Figure 3 It is an axonometric view of another viewing angle of the first embodiment of the bed chair body disclosed in the utility model;
[0028] Figure 4 It is an axonometric view of the second embodiment of the bed chair body disclosed in the utility model;
[0029] Figure 5 It is an axonometric view of the main body of the bed chair bed wheelchair disclosed in the utility model;
[0030] Figure 6 It is an axonometric drawing of the bed chair bed body wheelchair main body from another viewing angle disclosed in the utility model.
[0031] Description of reference numerals:
[0032] Bed 10; receiving area 11; support 12;
[0033] Bed board 20; movable bed board 21; cross beam 22; support arm 23;
[0034] First guardrail 30; second guardrail 31; gate rail 32;
[0035] Wheelchair body 40;
[0036] chassis 50; rear wheel 51; first driving handle 52; second driving handle 53; brake cable 54;
[0037] Seat frame 60; first main crossbeam 61; second main crossbeam 62; support 63; front wheel 64; hand hole 65; wheelchair armrest 66; footrest 67;
[0038] Backrest 70; side beam 71; support arm 72; backrest armrest 73; bracket 74; telescopic rod 75; headrest 76;
[0039] Vibration reduction mechanism 80; vibration reduction rod 81; spring 82;
[0040] Transmission mechanism 90; transmission shaft 91; transmission rod 92; screw rod 93; rocker 94. DETAILED DESCRIPTION
[0041] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0042] See also Figure 1 As shown;
[0043] Utility model bed chair, comprising:
[0044] A bed 10 and a wheelchair body 40 capable of displacement;
[0045] A backrest 70 is hingedly connected to the rear side of the wheelchair body 40 and is parallel to the horizontal plane after being unfolded;
[0046] A receiving area 11 whose width matches the width of the wheelchair body 40 and is used to receive the wheelchair body 40 is provided in the middle of the bed body 10. The receiving area 11 extends along the width direction of the bed body 10 so that the backrest 70 is unfolded perpendicularly to the width direction of the bed body 10. The wheelchair body 40 and the backrest 70 cover the receiving area 11, thereby forming a complete medical bed for patients to use. After the backrest 70 of the wheelchair body 40 in the bed-chair is unfolded, the length of the wheelchair body 40 plus the backrest 70 is consistent with the width of the bed body 10, which effectively improves the compactness of the structure of the bed-chair, is small in size, and is more flexible in movement. When in use, when the patient changes from a lying position to a sitting position, he can directly sit on the wheelchair body 40, which is convenient to use.
[0047] See also Figure 2 , 3 As shown:
[0048] Preferably, a groove is provided at least at one end of the upper surface of the bed body 10, and a movable bed board 21 that can be folded upward is hingedly connected to the groove on the side of the receiving area 11. The movable bed board 21 is fixedly connected to a support arm 23, and a support 12 is fixedly connected to the lower part of the bed body 10. A transmission mechanism 90 for driving the movable bed board 21 to fold or unfold is connected between the support arm 23 and the support 12.
[0049] Specifically, the upper surface of the bed body 10 is provided with a groove, in which a movable bed board 21 is hinged by an axis. When in use, the movable bed board 21 can be folded upward, and the user can lean on the movable bed board 21 when sitting or lying on the bed body 10. Figure 3 As shown, the lower part of the movable bed board 21 is fixedly connected with a support arm 23, and the lower part of the tail end of the bed body 10 is fixedly connected with a support 12. One end of the transmission mechanism 90 is hinged to the support arm 23, and the other end is hinged to the support 12. The movable bed board 21 is driven to fold or unfold through the telescopic transmission of the transmission mechanism 90. In this embodiment, only the upper surface of the bed body 10 at the head end is provided with a groove. Of course, grooves can also be provided at the head and the foot of the bed body 10 to install the movable bed board 21, so that both ends of the head and the foot of the bed can provide a leaning function, further improving the convenience of use;
[0050] See also Figure 5 , 6 As shown:
[0051] Preferably, the wheelchair body 40 includes a base frame 50 and a seat frame 60 fixedly connected to the base frame 50, the rear side of the seat frame 60 is hinged to the side beam 71 of the backrest 70, the side beam 71 is fixedly connected to an arc-shaped support arm 72, the front side of the seat frame 60 is fixedly connected to a support 63, and a transmission mechanism 90 for driving the backrest 70 to fold or unfold is connected between the support arm 72 and the support 63. In this structure, the transmission mechanism 90 on the wheelchair body 40 has the same structure as the transmission mechanism 90 of the movable bed board 21 of the bed body 10.
[0052] Preferably, the transmission mechanism 90 includes a transmission shaft 91, a transmission rod 92, a screw rod 93, and a rocker 94;
[0053] The screw rod 93 and the transmission rod 92 are spirally driven, the screw rod 93 is rotatably connected to the support 12 of the bed body 10 or the support 63 of the wheelchair body 40, one end of the screw rod 93 is movably connected to a rocker 94, and the end of the transmission rod 92 is rotatably connected to the support arm 23 of the movable bed board 21 or the support arm 72 of the backrest 70 through the transmission shaft 91;
[0054] When in use, the hand-cranked rocker 94 drives the screw rod 93 to rotate, thereby causing the screw rod 93 and the transmission rod 92 to spirally transmit and extend or contract, thereby driving the backrest 70 and the movable bed board 21 to fold or unfold.
[0055] See also Figure 5 As shown:
[0056] Preferably, the seat frame 60 is an inverted L-shaped structure, the bottom end of the seat frame 60 is fixedly connected to a first main beam 61, and is connected to one end of the bottom frame 50 through the first main beam 61, the rear side of the seat frame 60 is fixedly connected to a second main beam 62, and a vibration reduction mechanism 80 is connected between the second main beam 62 and the bottom frame 50, so that the seat frame 60 is suspended, and the seat frame 60 is floatingly supported by the vibration reduction mechanism 80, which makes it more comfortable to sit on;
[0057] For details, see Figure 6 As shown, the vibration reduction mechanism 80 includes a vibration reduction rod 81 and a spring 82. One end of the vibration reduction rod 81 is connected to the second main beam 62 of the seat frame 60 through a hinge seat, and the other end is connected to the base frame 50 through a hinge seat. The vibration reduction rod 81 is sleeved with a spring 82 on the outside. The vibration reduction rod 81 contracts when compressed, and is supported and reset by the spring 82 when reset. The vibration reduction mechanism 80 can also be other structural dampers in the prior art, as long as it can provide floating support;
[0058] See also Figure 5 As shown:
[0059] Preferably, rear wheels 51 are symmetrically mounted on the rear side of the base frame 50, and front wheels 64 are symmetrically mounted on the front vertical beams of the seat frame 60. The diameter of the rear wheels 51 is larger than that of the front wheels 64, and both the front wheels 64 and the rear wheels 51 are provided with braking devices.
[0060] Specifically, the front wheel 64 is a universal wheel with a brake device, and the chassis 50 is provided with a brake device inside the rear wheel 51, and the brake device includes a first driving handle 52 and a second driving handle 53. The first driving handle 52 is connected to the seat frame 60 and drives the brake lever to contact the rear wheel 51 through a connecting rod to achieve the purpose of braking. The second driving handle 53 is installed below the backrest armrest 73 at the rear side of the backrest 70, and drives the brake lever to contact the wheel through a brake line 54 to achieve the purpose of braking. The rear wheel 51 and the front wheel 64 of the wheelchair body 40 are arranged with large and small wheels, and are used independently of the bed body 10, can be directly pushed out, are easy to use, and will not be bumpy when encountering uneven road conditions;
[0061] See also Figure 5 As shown:
[0062] Preferably, the seat frame 60 further includes a wheelchair armrest 66 and a footrest 67;
[0063] The side beam of the seat frame 60 is detachably connected with a wheelchair armrest 66. When the wheelchair body 40 is used in a wheelchair state, the wheelchair armrest 66 can be fixedly connected to the side beam of the seat frame 60. When used in combination with the bed body 10, the wheelchair armrest 66 can be removed from the side beam of the seat frame 60.
[0064] A footrest 67 is rotatably connected above the first main cross beam 61 at the front side of the seat frame 60. When the wheelchair body 40 is used in combination with the bed body 10, the footrest 67 can be folded to the side of the seat frame 60. When used in a wheelchair state, the footrest 67 is unfolded at 90 degrees for the patient to step on. The footrest 97 can be made of metal and can be stepped on directly with shoes.
[0065] A third main beam is disposed on the front upper surface of the seat frame 60, and a support 63 is fixedly connected to the third main beam, through which the transmission mechanism 90 is hoisted;
[0066] Preferably, a seat plate is fixedly connected to the upper portion of the seat frame 60 , and a convenient hole 65 is provided on the seat plate.
[0067] See also Figure 6 As shown:
[0068] Preferably, a bracket 74 is fixedly connected to the top of the backrest 70, and a telescopic rod 75 is fixedly connected to the bracket 74. The telescopic rod 75 is installed with a positioning bolt, and the length of the telescopic rod 75 can be locked at any position by the positioning bolt. The top of the telescopic rod 75 is connected to a headrest 76 through a connecting piece, and the headrest 76 can be rotated at any angle around the connecting piece, so that when the wheelchair body 40 is used in combination with the bed body 10, the headrest 76 can be stored in the lower part of the backrest 70 or removed. The connecting piece is a bolt or a pin in the prior art.
[0069] See also Figure 4 As shown:
[0070] Preferably, a first guardrail 30 is fixedly connected to one side of the bed body 10, and a second guardrail 31 is fixedly connected to the other side. The second guardrail 31 includes a main body, and a door rail 32 is hinged to the main body. The receiving area 11 is opened or closed by the door rail 32. When the wheelchair body 40 is used in combination with the bed body 10, the first guardrail 30 and the second guardrail 31 can be fixedly connected to both sides of the bed body 10. When the wheelchair body 40 needs to be used independently, the door rail 32 on the second guardrail 31 can be opened.
[0071] In the above technical solution, the bed chair provided by the utility model has the following usage method:
[0072] When the wheelchair body 40 and the bed body 10 are used in combination:
[0073] The wheelchair body 40 is pushed into the bed body 10 from the opening side of the receiving area 11 perpendicularly to the direction of the bed body 10. At this time, the backrest 70 of the wheelchair body 40 is located inside the receiving area 11 and parallel to the horizontal plane, completing the splicing between the wheelchair body 40 and the bed body 10, and the receiving area 11 is covered by the seat frame 60 and the backrest 70 of the wheelchair body 40, so that the bed chair can be used as a bed;
[0074] When the wheelchair body 40 needs to be used alone, the patient sits up from a lying position, and the body position is on the seat frame 60 of the wheelchair body 40. At this time, the wheelchair body 40 can be directly pulled out, or the backrest 70 can be driven to fold by the transmission mechanism 90, so that the patient leans on the backrest 70 and then pulls out the wheelchair body 40, and then adjusts the wheelchair armrests 66, footrests 67, headrest 76 and other functional parts on the wheelchair body 40 to put it in use;
[0075] Beneficial effects: Compared with the prior art, the bed chair designed by the utility model has a backrest hinged on the rear side of the wheelchair body which is parallel to the horizontal plane after unfolding; a receiving area for receiving the wheelchair body is provided in the middle of the bed body, and the receiving area extends along the width direction of the bed body, and the width of the receiving area is adapted to the width of the wheelchair body; the backrest is unfolded perpendicular to the width direction of the bed body, and the length of the wheelchair body plus the backrest is consistent with the width of the bed body, which effectively improves the compactness of the bed chair structure, makes it small in size, more flexible in movement, and easy to use.
[0076] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.
Claims
1. A bed chair, comprising: The bed body (10) and the displaceable wheelchair body (40) are characterized by: A backrest (70) which is parallel to the horizontal plane when unfolded is hingedly connected to the rear side of the wheelchair body (40); A receiving area (11) having a width adapted to the width of the wheelchair body (40) and used to receive the wheelchair body (40) is provided in the middle of the bed body (10); the receiving area (11) extends along the width direction of the bed body (10) so that the backrest (70) is unfolded perpendicularly to the width direction of the bed body (10); the wheelchair body (40) and the backrest (70) cover the receiving area (11).
2. The bed chair according to claim 1, characterized in that ; At least one end of the upper surface of the bed body (10) is provided with a groove, and the groove is located on the side of the receiving area (11) and is hinged with a movable bed board (21) that can be folded upwards. The movable bed board (21) is fixedly connected to a support arm (23, 72), and the lower part of the bed body (10) is fixedly connected to a support seat (12, 63). A transmission mechanism (90) for driving the movable bed board (21) to fold or unfold is connected between the support arm (23, 72) and the support seat (12, 63).
3. The bed chair according to claim 1, characterized in that; The wheelchair body (40) comprises a base frame (50) and a seat frame (60) fixedly connected to the base frame (50); the rear side of the seat frame (60) is hinged to the side beam (71) of the backrest (70); the side beam (71) is fixedly connected to a support arm (23, 72); the front side of the seat frame (60) is fixedly connected to a support seat (12, 63); and a transmission mechanism (90) for driving the backrest (70) to fold or unfold is connected between the support arm (23, 72) and the support seat (12, 63).
4. The bed chair according to claim 2 or 3, characterized in that ; The transmission mechanism (90) comprises a transmission rod (92), a screw rod (93) which is spirally transmitted with the transmission rod (92), and a rocker (94) which is movably connected with the screw rod (93); The screw rod (93) is rotatably connected to the support (12, 63); A transmission shaft (91) connected to the support arms (23, 72) is mounted at the end of the transmission rod (92).
5. The bed chair according to claim 3, It is characterized by: The seat frame (60) is in an inverted L-shaped structure; a first main cross beam (61) is fixedly connected to the bottom end of the seat frame (60), and the seat frame (60) is connected to one end of the base frame (50) via the first main cross beam (61); a second main cross beam (62) is fixedly connected to the rear side of the seat frame (60); a vibration reduction mechanism (80) is connected between the second main cross beam (62) and the base frame (50), and the seat frame (60) is floatingly supported via the vibration reduction mechanism (80).
6. The bed chair according to claim 5, characterized in that ; The rear side of the base frame (50) is symmetrically mounted with a rear wheel (51), and the front side vertical beam of the seat frame (60) is symmetrically mounted with a front wheel (64); the diameter of the rear wheel (51) is greater than the diameter of the front wheel (64), and both the front wheel (64) and the rear wheel (51) are provided with a braking device.
7. The bed chair according to claim 3, It is characterized by: The seat frame (60) further comprises a wheelchair armrest (66) and a footrest (67); the wheelchair armrest (66) is detachably connected to a side beam of the seat frame (60); the footrest (67) is rotatably connected above the first main cross beam (61) at the front side of the seat frame (60); a third main cross beam is provided on the upper surface of the front side of the seat frame (60); and the support (12, 63) is fixedly connected to the third main cross beam.
8. The bed chair according to claim 3, characterized in that ; A seat plate is fixedly connected to the upper portion of the seat frame (60), and the seat plate is provided with a convenience hole (65).
9. The bed chair according to claim 1, characterized in that ; The top end of the backrest (70) is fixedly connected to a bracket (74), the bracket (74) is fixedly connected to a telescopic rod (75), and the top end of the telescopic rod (75) is connected to a headrest (76).
10. The bed chair according to claim 1, characterized in that; The bed body (10) is fixedly connected to a first guardrail (30) on one side and to a second guardrail (31) on the other side. The second guardrail (31) comprises a main body portion. The main body portion is hinged with a gate (32). The receiving area (11) is opened or closed via the gate (32).
Citation Information
Patent Citations
A detachable wheelchair bed
CN116617016B