CN112741737A

CN112741737A - Deformable wheelchair type sickbed

Info

Publication number: CN112741737A
Application number: CN202110070370.2A
Authority: CN
Inventors: 谭伟锋; 戴倩莹; 梁银爱; 郑若
Original assignee: Jiangmen Central Hospital
Current assignee: Jiangmen Central Hospital
Priority date: 2021-01-19
Filing date: 2021-01-19
Publication date: 2021-05-04

Abstract

The invention is suitable for the field of medical rehabilitation, and provides a deformable wheelchair type sickbed, which comprises: the pedal type pedal lifting device comprises a first supporting plate, a second supporting plate, a third supporting plate, a pedal, a fixed rod and a sliding rod, wherein one end of the first supporting plate is connected with the second supporting plate through a bearing, the other end of the first supporting plate is connected with the third supporting plate through a bearing, the bottom of the third supporting plate is fixedly provided with the pedal, the side part of the second supporting plate is provided with the fixed rod, the inside of the fixed rod is provided with the sliding rod; side both ends difference fixed mounting have first gear and second gear on the first backup pad, install conversion equipment on first gear and the second gear, this wheelchair drives the gyro wheel through additional conversion equipment and elevating gear and breaks away from ground through elevating gear, makes the wheelchair more stable, can drive connecting rod and carousel operation through mutually supporting between the gear simultaneously, and then drives whole wheelchair operation and expand, warp and become the sick bed, convenient to use, extensive applicability.

Description

Deformable wheelchair type sickbed

Technical Field

The invention belongs to the field of medical rehabilitation, and particularly relates to a deformable wheelchair type sickbed.

Background

Wheelchairs are chairs equipped with wheels to help replace walking and are classified into electric and manual folding wheelchairs. The wheelchair not only meets the requirements of physical disabilities and mobility-handicapped people for riding instead of walking, but also is more important to facilitate the family members to move and take care of the patients, so that the patients can do physical exercises and participate in social activities by means of the wheelchair.

The common wheelchair generally comprises a foldable frame, front and rear wheels, left and right kneepads, a pedal, left and right detachable armrests, a handle brake device, a seat, a backrest, a medical image data bag, a bedpan, a urine receiving bag hook, an electric stand and the like. The hand-operated wheelchair is added with a hand-operated device on the basis of a common wheelchair. The electric wheelchair is additionally provided with an electronic power assisting system on the basis of a common wheelchair, so that the physical consumption of a user is reduced. On the basis of the electric wheelchair, the intelligent wheelchair is additionally provided with positioning movement, standing movement, remote control movement and related Internet + assisted life.

The existing wheelchair has great limitation, can be used as a wheelchair only, and is very inconvenient for certain patients who have inconvenient actions and inconvenient posture change when moving from a sickbed to the wheelchair and then moving from the wheelchair to the sickbed, and the patients who are not noticed for a little can fall down to cause secondary damage to bodies.

Disclosure of Invention

The embodiment of the invention aims to provide a deformable wheelchair type sickbed, which aims to solve the problems that the existing wheelchair has great limitation, can only be used as a wheelchair, and is inconvenient for some patients who have inconvenient actions and change postures to move from the sickbed to the wheelchair and then move from the wheelchair to the sickbed, and the patients who have no need to pay attention to the wheelchair and can fall down to cause secondary damage to the body.

The embodiment of the invention is realized in such a way that the deformable wheelchair type sickbed comprises: the pedal type pedal lifting device comprises a first supporting plate, a second supporting plate, a third supporting plate, a pedal, a fixed rod and a sliding rod, wherein one end of the first supporting plate is connected with the second supporting plate through a bearing, the other end of the first supporting plate is connected with the third supporting plate through a bearing, the bottom of the third supporting plate is fixedly provided with the pedal, the side part of the second supporting plate is provided with the fixed rod, the inside of the fixed rod is provided with the sliding rod; side portion both ends are fixed mounting respectively has first gear and second gear on the first backup pad, install conversion equipment on first gear and the second gear, elevating gear is installed to first backup pad bottom, elevating gear cooperatees with conversion equipment.

Preferably, the conversion device comprises a first support column and a second support column, the first support column and the second support column are fixedly arranged at the bottom of the first support plate, the first supporting column and the second supporting column are connected with a third gear and a fourth gear through bearings at the ends far away from the first supporting plate, a first rotary table and a second rotary table are fixedly arranged in the middle of the third gear and the fourth gear, a first connecting rod and a second connecting rod are hinged in the middle of the third gear and the fourth gear, a third rotary table and a fourth rotary table are hinged to one ends of the first connecting rod and the second connecting rod, which are far away from the third gear and the fourth gear, a first linkage belt is arranged between the first turntable and the third turntable and between the second turntable and the fourth turntable, a fifth turntable and a sixth turntable are fixedly arranged in the middle of the third turntable and the fourth turntable, and a third connecting rod and a fourth connecting rod are hinged in the middle of the fifth turntable and the sixth turntable; the second support plate and the third support plate are provided with first sliding grooves, a first sliding rod and a second sliding rod are arranged inside the first sliding grooves, the first sliding rod and the second sliding rod are respectively in bearing connection with a fifth gear and a sixth gear, the middle parts of the fifth gear and the sixth gear are hinged to a third connecting rod and a fourth connecting rod, the middle parts of the fifth gear and the sixth gear are fixedly provided with a seventh turntable and an eighth turntable, a second linkage belt is arranged between the seventh turntable and the fifth turntable and between the eighth turntable and the sixth turntable, the middle parts of the seventh turntable and the eighth turntable are respectively hinged to a fifth connecting rod and a sixth connecting rod, and one ends of the fifth connecting rod and the sixth connecting rod, which are far away from the seventh turntable and the eighth turntable, are respectively hinged to the middle parts of the first gear and the second gear.

Preferably, the length of the fifth link and the sixth link is equal to the sum of the radii of the first gear and the fifth gear.

Preferably, the distance between one end of the first sliding chute close to the first supporting plate and the circle centers of the first gear and the second gear is greater than the sum of the radii of the first gear and the fifth gear.

Preferably, the lifting device comprises a first fixing column and a second fixing column, the first fixing column and the second fixing column are fixedly installed at the bottom of the first supporting plate, a second sliding chute and a third sliding chute are formed in the first fixing column and the second fixing column, a first rack is installed on the side wall of the second sliding chute, a seventh gear is arranged inside the second sliding chute, the seventh gear is meshed with the first rack, a first rotating shaft is installed in the middle of the seventh gear, a connecting straight rod is installed in the middle of the first rotating shaft, a first motor is installed on the connecting straight rod, a ninth rotating disc is fixedly installed on the first rotating shaft, an eighth gear is connected to the middle bearing of the connecting straight rod, the eighth gear is matched with the third gear and the fourth gear, a tenth rotating disc is fixedly installed on the eighth gear, and a third rotating belt is arranged between the tenth rotating disc and the ninth rotating disc, the third spout is inside to be equipped with the slip post, be connected with the second rotation axis on the slip post, the second rotation axis is connected with the connection straight-bar, the gyro wheel is installed at first rotation axis and second rotation axis both ends.

Preferably, the eighth gear is equidistant from the third gear and the fourth gear.

Preferably, spongy cushions are paved on the first supporting plate, the second supporting plate and the third supporting plate.

The embodiment of the invention provides a deformable wheelchair type sickbed, which has the following beneficial effects:

this wheelchair drives the gyro wheel through additional conversion equipment and elevating gear through elevating gear and breaks away from ground, makes the wheelchair more stable, can drive connecting rod and carousel operation through mutually supporting between the gear simultaneously, and then drives whole wheelchair operation and expand, warp into the sick bed, convenient to use, extensive applicability.

Drawings

Fig. 1 is a schematic structural diagram of a transformable wheelchair type hospital bed according to an embodiment of the present invention;

FIG. 2 is a rear enlarged partial view of FIG. 1 at A;

fig. 3 is a partial perspective structural view of a transformable wheelchair type hospital bed according to an embodiment of the present invention.

In the drawings: 1. a first support plate; 2. a second support plate; 3. a third support plate; 4. a pedal; 5. fixing the rod; 6. a lifting device; 61. a first fixed column; 62. a second fixed column; 63. a second chute; 64. a third chute; 65. a first rack; 66. a seventh gear; 67. a first rotating shaft; 68. a connecting straight rod; 69. a first motor; 610. a ninth turntable; 611. an eighth gear; 612. a tenth rotating disc; 613. a third linkage belt; 614. a sliding post; 615. a second rotation shaft; 616. a roller; 7. a conversion device; 71. a first support column; 72. a second support column; 73. a third gear; 74. a fourth gear; 75. a first turntable; 76. a second turntable; 77. a first link; 78. a second link; 79. a third turntable; 710. a fourth turntable; 711. a first linkage belt; 712. a fifth turntable; 713. a sixth turntable; 714. a third link; 715. a fourth link; 716. a first chute; 717. a first slide bar; 718. a second slide bar; 719. a fifth gear; 720. a sixth gear; 721. a seventh turntable; 722. an eighth turntable; 723. a second linkage belt; 724. a fifth link; 725. a sixth link; 8. a first gear; 9. a second gear; 10. a grip; 11. a slide bar; 12. a spongy cushion.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Specific implementations of the present invention are described in detail below with reference to specific embodiments.

As shown in fig. 1, in the embodiment of the present invention, the method includes: the supporting device comprises a first supporting plate 1, wherein one end of the first supporting plate 1 is in bearing connection with a second supporting plate 2, the other end of the first supporting plate 1 is in bearing connection with a third supporting plate 3, a pedal 4 is fixedly arranged at the bottom of the third supporting plate 3, a fixing rod 5 is arranged on the side part of the second supporting plate 2, a sliding rod 11 is arranged inside the fixing rod 5, and a handle 10 is arranged at one end, located outside the fixing rod 5, of the sliding rod 11; side portion both ends difference fixed mounting has first gear 8 and second gear 9 on 1 first backup pad, install conversion equipment 7 on first gear 8 and the second gear 9, elevating gear 6 is installed to 1 bottom of first backup pad, elevating gear 6 cooperatees with conversion equipment 7.

As shown in fig. 1 and fig. 2, in the embodiment of the present invention, the switching device 7 includes a first supporting column 71 and a second supporting column 72, the first supporting column 71 and the second supporting column 72 are fixedly installed at the bottom of the first supporting plate 1, one ends of the first supporting column 71 and the second supporting column 72, which are far away from the first supporting plate 1, are bearing-connected with a third gear 73 and a fourth gear 74, a first rotating disc 75 and a second rotating disc 76 are fixedly installed in the middle of the third gear 73 and the fourth gear 74, a first connecting rod 77 and a second connecting rod 78 are hinged in the middle of the third gear 73 and the fourth gear 74, a third rotating disc 79 and a fourth rotating disc 710 are hinged in one ends of the first connecting rod 77 and the second connecting rod 78, which are far away from the third gear 73 and the fourth gear 74, a first connecting belt 711 is provided between the first rotating disc 75 and the third rotating disc 79 and between the second rotating disc 76 and the fourth rotating disc 710, a fifth turntable 712 and a sixth turntable 713 are fixedly arranged in the middle of the third turntable 79 and the fourth turntable 710, and a third connecting rod 714 and a fourth connecting rod 715 are hinged in the middle of the fifth turntable 712 and the sixth turntable 713; the second support plate 2 and the third support plate 3 are provided with a first sliding slot 716, a first sliding rod 717 and a second sliding rod 718 are arranged inside the first sliding slot 716, a fifth gear 719 and a sixth gear 720 are respectively bearing-connected to the first sliding rod 717 and the second sliding rod 718, the fifth gear 719 and the sixth gear 720 are hinged with the third link 714 and the fourth link 715 at the middle, a seventh rotating disc 721 and an eighth rotating disc 722 are fixedly arranged in the middle of the fifth gear 719 and the sixth gear 720, a second interlocking belt 723 is arranged between the seventh rotating disc 721 and the fifth rotating disc 712 and between the eighth rotating disc 722 and the sixth rotating disc 713, a fifth connecting rod 724 and a sixth connecting rod 725 are respectively hinged at the middle parts of the seventh rotating disc 721 and the eighth rotating disc 722, the ends of the fifth link 724 and the sixth link 725, which are far away from the seventh rotating disc 721 and the eighth rotating disc 722, are hinged with the middle parts of the first gear 8 and the second gear 9, respectively.

When the wheelchair is used, the lifting device 6 can drive the third gear 73 and the fourth gear 74 to rotate anticlockwise, the third turntable 79 and the fourth turntable 710 are driven to rotate anticlockwise through the first turntable 75 and the second turntable 76 and the first linkage belt 711, the fifth gear 719 and the sixth gear 720 are driven to rotate anticlockwise through the fifth turntable 712, the sixth turntable 713, the second linkage belt 723, the seventh turntable 721 and the eighth turntable 722, the fifth gear 719 and the sixth gear 720 can drive the second support plate 2 and the third support plate 3 to rotate under the action of the first gear 8 and the second gear 9, so that the second support plate 2 and the third support plate 3 are in a horizontal state, and the conversion between the wheelchair and the hospital bed is realized.

In the embodiment of the present invention, the lengths of the fifth link 724 and the sixth link 725 are equal to the sum of the radii of the first gear 8 and the fifth gear 719, so that the engagement between the first gear 8 and the fifth gear 719 and the engagement between the second gear 9 and the sixth gear 720 can be always maintained.

In the embodiment of the present invention, the distance between one end of the first sliding slot 716 close to the first support plate 1 and the circle centers of the first gear 8 and the second gear 9 is greater than the sum of the radii of the first gear 8 and the fifth gear 719, so as to prevent the second support plate 2 and the third support plate 3 from being unbent due to the too short length of the first sliding slot 716.

As shown in fig. 1 and 3, in the embodiment of the present invention, the lifting device 6 includes a first fixed column 61 and a second fixed column 62, the first fixed column 61 and the second fixed column 62 are fixedly installed at the bottom of the first support plate 1, a second sliding slot 63 and a third sliding slot 64 are opened on the first fixed column 61 and the second fixed column 62, a first rack 65 is installed on a side wall of the second sliding slot 63, a seventh gear 66 is installed inside the second sliding slot 63, the seventh gear 66 is engaged with the first rack 65, a first rotating shaft 67 is installed at the middle part of the seventh gear 66, a connecting straight rod 68 is installed at the middle part of the first rotating shaft 67, a first motor 69 is installed on the connecting straight rod 68, a ninth rotating disc 610 is fixedly installed on the first rotating shaft 67, an eighth gear 611 is connected to the connecting straight rod 68 through a bearing, and the eighth gear 611 is matched with the third gear 73 and the fourth gear 74, a tenth rotating disc 612 is fixedly mounted on the eighth gear 611, a third rotating belt 613 is disposed between the tenth rotating disc 612 and the ninth rotating disc 610, a sliding column 614 is disposed inside the third sliding groove 64, a second rotating shaft 615 is connected to the sliding column 614, the second rotating shaft 615 is connected to the connecting straight rod 68, and rollers 616 are mounted at two ends of the first rotating shaft 67 and the second rotating shaft 615.

When the wheelchair is used, the first motor 69 is started, the first motor 69 drives the seventh gear 66 and the ninth turntable 610 to rotate simultaneously through the first rotating shaft 67, the seventh gear 66 drives the connecting straight rod 68 to move upwards through the first rack 65, meanwhile, the ninth turntable 610 drives the tenth turntable 612 to rotate through the third linkage belt 613, and further drives the eighth gear 611 to rotate, when the connecting straight rod 68 rises until the eighth gear 611 is meshed with the third gear 73 and the fourth gear 74, the seventh gear 66 is separated from the first rack 65 to start idle rotation, the conversion device 7 can be driven to work, and meanwhile, the connecting straight rod 68 rises to separate the roller 616 from the ground, so that the wheelchair is more stable.

In the embodiment of the present invention, the distance between the eighth gear 611 and the third gear 73 and the fourth gear 74 is equal, which ensures that the eighth gear 611 can be meshed with the third gear 73 and the fourth gear 74 at the same time.

In the embodiment of the invention, the first support plate 1, the second support plate 2 and the third support plate 3 are paved with the sponge pads 12, and the sponge pads 12 can provide comfort for users.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A transformable wheelchair hospital bed comprising: the supporting device comprises a first supporting plate (1) and is characterized in that one end of the first supporting plate (1) is connected with a second supporting plate (2) in a bearing mode, the other end of the first supporting plate (1) is connected with a third supporting plate (3) in a bearing mode, a pedal (4) is fixedly installed at the bottom of the third supporting plate (3), a fixing rod (5) is installed on the side portion of the second supporting plate (2), a sliding rod (11) is arranged inside the fixing rod (5), and a handle (10) is installed at one end, located outside the fixing rod (5), of the sliding rod (11); side portion both ends difference fixed mounting have first gear (8) and second gear (9) on first backup pad (1), install conversion equipment (7) on first gear (8) and second gear (9), elevating gear (6) are installed to first backup pad (1) bottom, elevating gear (6) cooperate with conversion equipment (7).

2. The transformable wheelchair type hospital bed according to claim 1, wherein the conversion device (7) comprises a first support column (71) and a second support column (72), the first support column (71) and the second support column (72) are fixedly installed at the bottom of the first support plate (1), a third gear (73) and a fourth gear (74) are bearing-connected to one ends of the first support column (71) and the second support column (72) far away from the first support plate (1), a first rotary disc (75) and a second rotary disc (76) are fixedly installed in the middle of the third gear (73) and the fourth gear (74), a first connecting rod (77) and a second connecting rod (78) are hinged in the middle of the third gear (73) and the fourth gear (74), a third rotary disc (79) and a fourth rotary disc (710) are hinged to one ends of the first connecting rod (77) and the second connecting rod (78) far away from the third gear (73) and the fourth gear (74), a first linkage belt (711) is arranged between the first rotary disc (75) and the third rotary disc (79) and between the second rotary disc (76) and the fourth rotary disc (710), a fifth rotary disc (712) and a sixth rotary disc (713) are fixedly installed in the middle of the third rotary disc (79) and the fourth rotary disc (710), and a third connecting rod (714) and a fourth connecting rod (715) are hinged in the middle of the fifth rotary disc (712) and the sixth rotary disc (713); a first sliding groove (716) is formed in the second supporting plate (2) and the third supporting plate (3), a first sliding rod (717) and a second sliding rod (718) are arranged in the first sliding groove (716), a fifth gear (719) and a sixth gear (720) are respectively connected to the first sliding rod (717) and the second sliding rod (718) through bearings, the middle portions of the fifth gear (719) and the sixth gear (720) are hinged to the third connecting rod (714) and the fourth connecting rod (715), a seventh rotating disc (721) and an eighth rotating disc (722) are fixedly installed in the middle portions of the fifth gear (719) and the sixth gear (720), a second interlocking belt (723) is arranged between the seventh rotating disc (721) and the fifth rotating disc (712) and between the eighth rotating disc (722) and the sixth rotating disc (713), a fifth connecting rod (724) and a sixth connecting rod (725) are respectively hinged to the middle portions of the seventh rotating disc (721) and the eighth rotating disc (722), one ends of the fifth connecting rod (724) and the sixth connecting rod (725) far away from the seventh rotating disc (721) and the eighth rotating disc (722) are respectively hinged with the middle parts of the first gear (8) and the second gear (9).

3. The transformable wheelchair hospital bed of claim 2 wherein the length of the fifth link (724) and the sixth link (725) is equal to the sum of the radii of the first gear (8) and the fifth gear (719).

4. The transformable wheelchair hospital bed according to claim 2, wherein the distance between the end of the first sliding groove (716) close to the first support plate (1) and the circle centers of the first gear (8) and the second gear (9) is larger than the sum of the radii of the first gear (8) and the fifth gear (719).

5. The transformable wheelchair type hospital bed according to claim 2, wherein the lifting device (6) comprises a first fixing column (61) and a second fixing column (62), the first fixing column (61) and the second fixing column (62) are fixedly installed at the bottom of the first support plate (1), a second sliding chute (63) and a third sliding chute (64) are formed on the first fixing column (61) and the second fixing column (62), a first rack (65) is installed on the side wall of the second sliding chute (63), a seventh gear (66) is arranged inside the second sliding chute (63), the seventh gear (66) is engaged with the first rack (65), a first rotating shaft (67) is installed in the middle of the seventh gear (66), a connecting straight rod (68) is installed in the middle of the first rotating shaft (67), and a first motor (69) is installed on the connecting straight rod (68), fixed mounting has ninth carousel (610) on first rotation axis (67), it is connected with eighth gear (611) to connect straight-bar (68) middle part bearing, eighth gear (611) cooperatees with third gear (73) and fourth gear (74), fixed mounting has tenth carousel (612) on eighth gear (611), be equipped with third rotating band (613) between tenth carousel (612) and ninth carousel (610), third spout (64) inside is equipped with sliding column (614), be connected with second rotation axis (615) on sliding column (614), second rotation axis (615) with connect straight-bar (68) and be connected, gyro wheel (616) are installed to first rotation axis (67) and second rotation axis (615) both ends.

6. The transformable wheelchair hospital bed of claim 5 wherein the eighth gear (611) is equidistant from the third gear (73) and the fourth gear (74).

7. A transformable wheelchair hospital bed according to claim 1, characterized in that sponge pads (12) are laid on the first support plate (1), the second support plate (2) and the third support plate (3).