Wheelchair bed with turning function

Abstract

The invention discloses a wheelchair bed with a turning over function, the wheelchair bed comprises five parts, the first part is a chassis; the second part is a back part, the third part is a buttocks part, the fourth part is a leg part, and the fifth part is a foot part; the adjacent back bed surface rods, the adjacent buttocks bed surface rods, the adjacent leg bed surface rods and the adjacent foot bed surface rods are all connected by V-shaped hinges, and the back bed surface rods, the buttocks bed surface rods, the leg bed surface rods and the foot bed surface rods are all fixedly connected with a transverse connecting plate perpendicular to them, and two connecting pins are respectively arranged on the transverse connecting plate and located on both sides of the corresponding bed surface rods, and the V-shaped hinge is provided with two connecting arms arranged in a V shape, the two connecting arms are hinged at the intersection, and a connecting end head hinged to them is provided at the end, and the connecting end head is sleeved on the corresponding connecting pin shaft, and the two form a rotation connection. The invention has a turning over function and can reduce the labor intensity of nursing staff.

Description

Technical Field

[0001] The invention belongs to the technical field of medical equipment, and in particular relates to a wheelchair bed with a turning function. Background Art

[0002] At present, most of the wheelchair beds sold on the market do not have the function of bed-chair conversion. Most elderly people lie flat on the bed for a long time, which is inconvenient for them to move and turn over, and they are prone to bedsores. Therefore, caregivers are required to frequently assist the elderly in activities. Especially when going out for activities, the labor intensity of caregivers will be increased, and such operations need to be performed frequently, which consumes a lot of energy and physical strength of caregivers. Therefore, it is necessary to design a wheelchair bed with a turning function to reduce the labor intensity of caregivers. Summary of the invention

[0003] The present invention provides a wheelchair bed with a turning function to solve the technical problems existing in the known technology, so as to reduce the labor intensity of nursing staff.

[0004] The technical solution adopted by the present invention to solve the technical problems existing in the known technology is: a wheelchair bed with a turning function, characterized in that the wheelchair bed includes five parts, the first part is a vehicle chassis; the second part is the back, the third part is the buttocks, the fourth part is the legs, and the fifth part is the feet; the vehicle chassis is provided with a chassis, and four wheels are installed on the chassis; the back includes a back bed structure composed of a number of back bed rods connected in parallel left and right, and a back side panel is provided on each side of the back bed structure, and the back side panel is hinged to the back bed structure; an upward turning connecting component is provided under the back bed structure, an arc guide groove is provided in the upward turning connecting component, and a pushing cross bar is provided in the arc guide groove, and the pushing cross bar is provided in the arc guide groove. The moving cross bar is vertically fixed to the output end of the back electric push rod, and the back electric push rod is rotatably mounted on the back bracket, and the back bracket is fixed to the chassis; the back electric push rod is connected to the fixed rod through a tension spring, and the fixed rod is arranged on the back bracket, and the tension spring is sleeved on the arc-shaped guide core rod, one end of the arc-shaped guide core rod is fixed to the back electric push rod, and the other end is slidably connected to the fixed rod; the buttocks include a buttocks bed surface structure composed of a plurality of buttocks bed surface rods connected in parallel on the left and right sides, and a buttocks side plate is respectively provided on both sides of the buttocks bed surface structure, and the buttocks side plate is hinged to the buttocks bed surface structure; a lifting connecting rod extending along its length direction is fixed on each of the buttocks bed surface rods, and the lifting connecting rod A scissor structure is provided at the bottom, and the scissor structure is composed of two cross-arranged front and rear scissor ribs, the two scissor ribs are hinged at the intersection, and the upper and lower ends of one of the scissor ribs are provided with sliders rotatably connected thereto, the upper slider is assembled in a horizontally arranged longitudinal slide groove, the longitudinal slide groove is arranged on the lifting connecting rod, and the lower slider is assembled on a horizontally arranged longitudinal slide rail, the longitudinal slide rail is fixed on the chassis, and a nut is fixed to the lower slider, the nut is connected to a screw rod, the screw rod is supported on the chassis, the screw rod is driven by a hip motor, and the hip motor is fixed on the chassis; the upper end of the other scissor rib is connected to the lifting connecting rod through a rotating pin, and the lower end is connected to the chassis through a hinge bracket. ; The leg part includes a leg bed surface structure composed of a plurality of leg bed surface rods connected in parallel left and right, a leg side plate is respectively provided on both sides of the leg bed surface structure, and the leg side plate is hinged to the leg bed surface structure; an arc-shaped bent leg rod is fixedly connected to each side of the leg bed surface structure, an arc-shaped guide groove is provided on the arc-shaped bent leg rod, a rack is formed on one side wall of the arc-shaped guide groove along its length direction, a gear is meshed on the rack, and the gear is driven by a bent leg motor, and the bent leg motor is fixedly mounted on the hip bed surface structure; the foot part includes a foot bed surface structure composed of a plurality of foot bed surface rods connected in parallel left and right, a foot side plate is respectively provided on both sides of the foot bed surface structure, and the foot side plate is hinged to the foot bed surface structure;After the wheelchair bed is transformed into a wheelchair, the rear part of the foot bed surface structure is placed on the chassis; the adjacent back bed surface rods, the adjacent buttocks bed surface rods, the adjacent leg bed surface rods and the adjacent foot bed surface rods are all connected by V-shaped hinges, and the back bed surface rods, the buttocks bed surface rods, the leg bed surface rods and the foot bed surface rods are all fixedly connected with transverse connecting plates perpendicular to them, and two connecting pins are provided on the transverse connecting plates, which are respectively located on both sides of the corresponding bed surface rods, and the V-shaped hinge is provided with two connecting arms arranged in a V shape, the two connecting arms are hinged at the intersection, and a connecting end hinged to them is provided at the end, and the connecting end The back bed surface rod is hinged to the buttocks bed surface rod, the buttocks bed surface rod is hinged to the leg bed surface rod, and the leg bed surface rod is hinged to the foot bed surface rod; the back side panel and the buttocks side panel, the buttocks side panel and the leg side panel, and the leg side panel and the foot side panel on one side of the bed surface are connected through arc guide grooves and arc guide rails, and the arc guide rails are inserted into the arc guide grooves; a hinge support is fixed under the buttocks side panel, and the hinge support is connected to the output end of the side panel electric push rod, the side panel electric push rod is hinged to the side panel bracket, and the side panel bracket is fixed to the chassis. ;

[0005] The upward turning connection component is composed of a plurality of upward turning connection plates, and one upward turning connection plate is fixedly connected to each of the back bed surface rods.

[0006] The wheel is a Mecanum wheel.

[0007] The hip motor adopts a DC reduction motor.

[0008] The bent leg motor adopts a brushless motor.

[0009] The advantages and positive effects of the present invention are: the bed and chair are integrated, and can be transformed into a wheelchair according to the needs of the user. The degree of bending of the back and legs can be adjusted and controlled, and the function of turning over can be realized according to the needs of the user, which reduces the labor intensity of the nursing staff and saves the energy of the nursing staff. Moreover, after being converted into a wheelchair, the present invention occupies little space and is easy to store. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a structural schematic diagram of the present invention in a nursing bed state;

[0011] Figure 2 for Figure 1 Side view of

[0012] Figure 3 It is a schematic diagram of the structure of the bed surface rod located at the side of the present invention;

[0013] Figure 4It is a schematic diagram of the connection structure between the leg bed surface rod and the buttocks bed surface rod of the present invention;

[0014] Figure 5 This is a schematic diagram of the structure of the present invention using a V-shaped hinge to connect the bed surface rods;

[0015] Figure 6 It is a schematic diagram of the V-shaped hinge structure of the present invention;

[0016] Figure 7 for Figure 6 Detailed drawing of

[0017] Figure 8 It is a schematic diagram of the bed side board connection structure of the present invention;

[0018] Fig. 9 It is a schematic diagram of the connection structure between the bed side panel and the electric push rod of the side panel of the present invention;

[0019] Fig.10 This is a schematic diagram of the present invention when turning over in a nursing bed state;

[0020] Fig.11 It is a structural schematic diagram of the present invention in a wheelchair state.

[0021] In the figure: 1.1, chassis; 1.2, wheels; 2.1, back bed surface rod; 2.2, back side panels; 2.3, flip-up connecting parts; 2.4, push cross bar; 2.5, back electric push rod; 2.6, back bracket; 2.7, tension spring; 2.8, arc-shaped guide core rod; 2.9, fixing rod; 3.1, buttocks bed surface rod; 3.2, buttocks side panels; 3.3, longitudinal slide groove; 3.4, lower end slider; 3.5, longitudinal slide rail; 3.6, screw rod; 3.7, buttocks motor; 3.8, hinge bracket; 3.9, hinge support; 3.10, side panel electric push rod; 3.11, side panel bracket; 4.1, leg bed surface rod; 4.2, leg side panel; 4.3, bent leg rod; 4.4, gear; 4.5, bent leg motor; 5.1, foot bed surface rod; 5.2, foot side panel; 6, V-shaped hinge; 6.1, connecting arm; 6.2, connecting end; 7, horizontal connecting plate; 7.1, connecting pin; 8, arc guide groove; 9, arc guide rail. DETAILED DESCRIPTION

[0022] In order to further understand the content, features and effects of the present invention, the following embodiments are given as examples and described in detail with reference to the accompanying drawings:

[0023] See also Figures 1 to 11 A wheelchair bed with a turning over function comprises five parts, the first part is a vehicle chassis; the second part is a back, the third part is a buttocks, the fourth part is a leg, and the fifth part is a foot.

[0024] The first part: the chassis of the vehicle mainly bears the supporting function, and is provided with a chassis 1.1, on which four wheels 1.2 are mounted. It is recommended that the wheels 1.2 adopt Mecanum wheels, which can be welded to the chassis 1.1.

[0025] The second part: the back, including a back bed surface structure composed of a plurality of back bed surface rods 2.1 connected in parallel on the left and right sides, and a back side panel 2.2 is respectively arranged on both sides of the back bed surface structure, and the back side panel 2.2 is hinged to the back bed surface structure.

[0026] An upward turning connection component 2.3 is provided below the back bed surface structure. In this embodiment, the upward turning connection component 2.3 is composed of a plurality of upward turning connection plates, and one upward turning connection plate is fixedly connected to each of the back bed surface rods 2.1.

[0027] An arc guide groove is provided in the upward connecting part 2.3, and a push cross bar 2.4 is provided in the arc guide groove. The push cross bar 2.4 is vertically fixed to the output end of the back electric push rod 2.5. The back electric push rod 2.5 is rotatably mounted on the back bracket 2.6, and the back bracket 2.6 is fixed on the chassis 1.1.

[0028] The back electric push rod 2.5 is connected to the fixed rod 2.9 through a tension spring 2.7. The fixed rod 2.9 is arranged on the back bracket 2.6. The tension spring 2.7 is sleeved on the arc guide core rod 2.8. One end of the arc guide core rod 2.8 is fixedly connected to the back electric push rod 2.6, and the other end is slidably connected to the fixed rod 2.9.

[0029] The third part: the buttocks, including a buttocks bed surface structure composed of a plurality of buttocks bed surface rods 3.1 connected in parallel on the left and right sides, a buttocks side plate 3.2 is respectively arranged on both sides of the buttocks bed surface structure, and the buttocks side plate 3.2 is hinged to the buttocks bed surface structure.

[0030] A lifting connecting rod extending along the length direction of each buttocks bed surface rod 3.1 is fixed, and a scissor structure is provided below the lifting connecting rod.

[0031] The scissors structure is composed of two cross-arranged front and rear scissors ribs, which are hinged at the intersection. The upper and lower ends of one of the scissors ribs are provided with sliders rotatably connected thereto, and the upper slider is assembled in a horizontally arranged longitudinal slide groove 3.3, and the longitudinal slide groove 3.3 is arranged on the lifting connecting rod. The lower slider 3.4 is assembled on a horizontally arranged longitudinal slide rail 3.5, and the longitudinal slide rail 3.5 is fixed on the chassis 1.1. A nut is fixedly connected to the lower slider 3.4, and the nut is connected to a screw rod 3.6. The screw rod 3.6 is supported on the chassis 1.1, and the screw rod is driven by a hip motor 3.7, and the hip motor 3.7 is fixed on the chassis 1.1. In this embodiment, the hip motor 3.7 adopts a DC reduction motor.

[0032] The upper end of the other scissor rib is connected to the lifting connecting rod through a rotating pin, and the lower end is connected to the chassis 1.1 through a hinge bracket 3.8.

[0033] The fourth part: the leg part, including a leg bed structure composed of a plurality of leg bed rods 4.1 connected in parallel on the left and right sides, a leg side plate 4.2 is provided on each side of the leg bed structure, and the leg side plate 4.2 is hinged to the leg bed structure.

[0034] An arc-shaped bent leg rod 4.3 is fixedly connected to each side of the leg bed surface structure, an arc-shaped guide groove is provided on the arc-shaped bent leg rod 4.3, a rack is formed on one side wall of the arc-shaped guide groove along its length direction, a gear 4.4 is meshed on the rack, and the gear 4.4 is driven by a bent leg motor 4.5, and the bent leg motor 4.5 is fixedly installed on the buttocks bed surface structure.

[0035] The fifth part: the foot, including a foot bed structure composed of a plurality of foot bed rods 5.1 connected in parallel on the left and right sides, a foot side plate 5.2 is provided on each side of the foot bed structure, and the foot side plate 5.2 is hinged to the foot bed structure.

[0036] After being transformed into a wheelchair, the rear part of the footbed structure is placed on the chassis 1.1.

[0037] Adjacent back bed surface rods 2.1, adjacent hip bed surface rods 3.1, adjacent leg bed surface rods 4.1 and adjacent foot bed surface rods 5.1 are all connected via V-shaped hinges 6.

[0038] A transverse connecting plate 7 perpendicular to the back surface rod 2.1, the buttocks surface rod 3.1, the leg surface rod 4.1 and the foot surface rod 5.1 is fixedly connected. Two pins 7.1 are arranged on the transverse connecting plate 7 and are located at both sides of the corresponding surface rods.

[0039] The V-shaped hinge 6 is provided with two V-shaped connecting arms 6.1, which are hinged at the intersection and have connecting ends 6.2 hinged thereto at the ends. The connecting ends 6.2 are sleeved on corresponding pins 7.1, and the two are rotatably connected.

[0040] The back bed surface rod 2.1 is hinged to the buttocks bed surface rod 3.1, the buttocks bed surface rod 3.1 is hinged to the leg bed surface rod 4.1, and the leg bed surface rod 4.1 is hinged to the foot bed surface rod 5.1.

[0041] The back side panel 2.2 and the hip side panel 3.2, the hip side panel 3.2 and the leg side panel 4.2, and the leg side panel 4.2 and the foot side panel 5.2 on one side of the bed are connected by arc guide grooves 8 and arc guide rails 9, and the arc guide rails 9 are inserted into the arc guide grooves 8.

[0042] After being transformed into a wheelchair, the back side panel 2.2 and the hip side panel 3.2 are turned inward and connected, and the leg side panel 4.2 and the foot side panel 5.2 are turned inward and connected. After being transformed into a nursing bed, the hip side panel 3.2 and the leg side panel 4.2 are horizontally connected.

[0043] A hinge support 3.9 is fixedly connected below the hip side panel 3.2. The hinge support 3.9 is connected to the output end of the side panel electric push rod 3.10. The side panel electric push rod 3.10 is hinged on the side panel bracket 3.11, and the side panel bracket 3.11 is fixed on the chassis 1.1.

[0044] When used as a nursing bed, the lifting and lowering of the scissor mechanism causes the bed surface to flip over, and with the coordinated action of the V-shaped hinge 6, it is convenient for the user to turn over. When the wheelchair bed needs to be converted from a nursing bed structure to a wheelchair structure, the side panel electric push rod 3.10 drives the back side panel 2.2, the hip side panel 3.2, the leg side panel 4.2 and the foot side panel 5.2 to flip up together. The back electric push rod 2.5 pushes the back bed surface structure to flip up. The leg bending motor 4.5 drives the leg bed surface structure to flip down, and the foot bed surface structure falls on the chassis 1.1 to form a wheelchair.

[0045] Although the preferred embodiments of the present invention have been described above in conjunction with the accompanying drawings, the present invention is not limited to the above-mentioned specific embodiments, which are merely illustrative and not restrictive. Under the guidance of the present invention, ordinary technicians in this field can make many forms without departing from the scope of protection of the present invention and the claims, all of which fall within the scope of protection of the present invention.

Claims

1. A wheelchair bed with turning over function, characterized in that: The wheelchair bed includes five parts, the first part is the chassis; the second part is the back, the third part is the buttocks, the fourth part is the legs, and the fifth part is the feet; The vehicle chassis is provided with a chassis, on which four wheels are mounted; The back portion includes a back bed surface structure composed of a plurality of back bed surface rods connected in parallel on the left and right sides, a back side panel is provided on each side of the back bed surface structure, and the back side panel is hinged to the back bed surface structure; an upward turning connecting component is provided under the back bed surface structure, an arc-shaped guide groove is provided in the upward turning connecting component, a pushing cross bar is provided in the arc-shaped guide groove, the pushing cross bar is vertically fixed to the output end of the back electric push rod, the back electric push rod is rotatably mounted on the back bracket, and the back bracket is fixed to the chassis; the back electric push rod is connected to the fixing rod through a tension spring, the fixing rod is arranged on the back bracket, the tension spring is sleeved on the arc-shaped guide core rod, one end of the arc-shaped guide core rod is fixed to the back electric push rod, and the other end is slidably connected to the fixing rod; The buttocks include a buttocks bed surface structure composed of a plurality of buttocks bed surface rods connected in parallel on the left and right sides, a buttocks side plate is provided on each side of the buttocks bed surface structure, and the buttocks side plate is hinged to the buttocks bed surface structure; a lifting connecting rod extending along the length direction of the buttocks bed surface rod is fixed to each buttocks bed surface rod, and a scissor structure is provided below the lifting connecting rod, and the scissor structure is composed of two front and rear scissor ribs arranged crosswise, and the two scissor ribs are hinged at the intersection, and the upper and lower ends of one of the scissor ribs are provided with a rotation connection with it. The upper end of the slider is assembled in a horizontally arranged longitudinal slide groove, the longitudinal slide groove is arranged on the lifting connecting rod, the lower end slider is assembled on a horizontally arranged longitudinal slide rail, the longitudinal slide rail is fixed on the chassis, a nut is fixed on the lower end slider, the nut is connected to a screw rod, the screw rod is supported on the chassis, the screw rod is driven by a hip motor, and the hip motor is fixed on the chassis; the upper end of another scissor rib is connected to the lifting connecting rod through a rotating pin, and the lower end is connected to the chassis through a hinge bracket; The leg part comprises a leg bed surface structure composed of a plurality of leg bed surface rods connected in parallel on the left and right sides, a leg side plate is provided on each side of the leg bed surface structure, and the leg side plate is hinged to the leg bed surface structure; an arc-shaped bent leg rod is fixedly connected on each side of the leg bed surface structure, an arc-shaped guide groove is provided on the arc-shaped bent leg rod, a rack is formed on one side wall of the arc-shaped guide groove along its length direction, a gear is meshed on the rack, and the gear is driven by a bent leg motor, and the bent leg motor is fixedly mounted on the buttock bed surface structure; The foot portion includes a foot bed structure composed of a plurality of foot bed rods connected in parallel on the left and right sides, and a foot side plate is provided on each side of the foot bed structure, and the foot side plate is hinged to the foot bed structure; after the wheelchair bed is transformed into a wheelchair, the rear part of the foot bed structure is placed on the chassis; Adjacent back bed surface rods, adjacent buttocks bed surface rods, adjacent leg bed surface rods and adjacent foot bed surface rods are all connected by V-shaped hinges, and transverse connecting plates perpendicular to the back bed surface rods, the buttocks bed surface rods, the leg bed surface rods and the foot bed surface rods are fixedly connected, and two connecting pins are respectively arranged on the transverse connecting plates on both sides of the corresponding bed surface rods. The V-shaped hinge is provided with two connecting arms arranged in a V shape, and the two connecting arms are hinged at the intersection, and a connecting end is provided at the end thereof, and the connecting end is sleeved on the corresponding connecting pin, and the two form a rotation connection; The back bed surface rod and the buttocks bed surface rod, the buttocks bed surface rod and the leg bed surface rod, and the leg bed surface rod and the foot bed surface rod are hinged; The back side panel and the hip side panel, the hip side panel and the leg side panel, and the leg side panel and the foot side panel on one side of the bed surface are connected by arc guide grooves and arc guide rails, and the arc guide rails are inserted into the arc guide grooves; A hinge support is fixedly connected under the hip side panel, the hinge support is connected to the output end of the side panel electric push rod, the side panel electric push rod is hinged on the side panel bracket, and the side panel bracket is fixed on the chassis.

2. The wheelchair bed with turning over function according to claim 1, characterized in that: The upward turning connection component is composed of a plurality of upward turning connection plates, and one upward turning connection plate is fixedly connected to each of the back bed surface rods.

3. The wheelchair bed with turning over function according to claim 1, characterized in that: The wheel is a Mecanum wheel.

4. The wheelchair bed with turning over function according to claim 1, characterized in that: The hip motor adopts a DC reduction motor.

5. The wheelchair bed with turning over function according to claim 1, characterized in that: The bent leg motor adopts a brushless motor.

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