CN114712104A - Chair mechanism capable of lying - Google Patents
Chair mechanism capable of lying Download PDFInfo
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- CN114712104A CN114712104A CN202210318089.0A CN202210318089A CN114712104A CN 114712104 A CN114712104 A CN 114712104A CN 202210318089 A CN202210318089 A CN 202210318089A CN 114712104 A CN114712104 A CN 114712104A
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- seat
- bottom plate
- lifting
- frame
- backrest
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/04—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven
- A61G5/047—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven by a modular detachable drive system
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
- A61G5/1056—Arrangements for adjusting the seat
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
A chair mechanism capable of lying down belongs to the technical field of medical equipment; the foldable seat comprises a movable box, wherein a seat body capable of lying is arranged at the top of the movable box, the seat body comprises a seat cushion, a backrest, a top rest, a shank supporting pad and a foot rest, and first reinforcing frames are arranged in the seat cushion, the backrest, the top rest, the shank supporting pad and the foot rest; according to the invention, the whole seat body is connected with the backrest through the seat cushion, the backrest, the top rest, the crus supporting pad and the foot supports through the second rotatable hinge frame, the crus supporting pad and the foot supports are connected with each other through the first rotatable hinge frame, and the seat cushion and the backrest are connected with each other through the third hinge frame, so that the whole seat body can be rotatably adjusted, and better comfort is achieved.
Description
Technical Field
The invention belongs to the technical field of medical equipment, and particularly relates to a reclining seat mechanism.
Background
Medical equipment refers to instruments, devices, appliances, materials or other items used alone or in combination in the human body, and also includes required software. The medical equipment is the most basic element of medical treatment, scientific research, teaching, institutions and clinical discipline work, namely professional medical equipment and household medical equipment.
In medical places such as nursing homes and the like, patients who cannot walk and need to sit on a wheelchair are usually required to be on a personal platform when the patients are accompanied, and once the patients need to be transferred to a sickbed or other positions, the labor is very great.
Disclosure of Invention
The present invention is directed to solving the above-mentioned problems of the prior art and provides a reclining chair mechanism.
The technical problem of the invention is mainly solved by the following technical scheme: a seat mechanism capable of lying flat comprises a moving box, wherein a seat body capable of lying flat is arranged at the top of the moving box, the seat body comprises a seat cushion, a backrest, a top rest, a shank supporting pad and a foot rest, first reinforcing frames are arranged in the seat cushion, the backrest, the top rest, the shank supporting pad and the foot rest, a lifting box is arranged at the bottom of the seat cushion, the bottom of the lifting box is inserted into the moving box, a lifting mechanism for improving the height of the lifting box is arranged in the moving box, a first power mechanism is arranged at the bottom of the seat cushion, one end of the first power mechanism is connected with the backrest, the other end of the first power mechanism is connected with the seat cushion, two groups of first hinged frames are arranged at the rear end of the seat cushion, the bottom of the backrest is connected with the first hinged frames, the first power mechanism is arranged in the lifting box, the lifting box is characterized in that a front notch and a rear notch which are convenient for a first power mechanism to extend are formed in the top of the lifting box respectively, two groups of second hinged frames are arranged between the lower portion of the top rest and the back rest, the top rest is connected with the back rest through the two groups of second hinged frames, a shank supporting pad is arranged below the front end of the seat cushion, the shank supporting pad and the rear side are provided with the second power mechanisms, the top output end of each second power mechanism is rotatably connected with the seat cushion, the shank supporting pad is connected with the seat cushion through the second power mechanisms, a foot support is arranged below the front end of the shank supporting pad, two groups of third hinged frames are arranged at the joint of the shank supporting pad and the seat cushion, and the foot support is connected with the shank supporting pad through the two groups of third hinged frames.
Preferably, a cushion bottom plate is arranged at the bottom of the cushion, the cushion and the cushion bottom plate are connected with each other through a first reinforcing frame, first blanking notches are formed in the left side and the right side of the cushion bottom plate, a first blanking frame is arranged at the position, facing downwards, of the first blanking notch, a first auxiliary side baffle capable of extending up and down is arranged at the top of the first blanking frame, a backrest bottom plate is arranged at the rear side of the backrest, the backrest and the backrest bottom plate are connected with each other through the first reinforcing frame, second blanking notches are formed in the left side and the right side of the backrest bottom plate, a second blanking frame is arranged at the position of the second blanking notch, a second auxiliary side baffle capable of extending back and forth is arranged on the front side of the second blanking frame, a first through groove is formed in the backrest bottom plate, a connecting seat is arranged at the position of the first through groove, and the connecting seat is connected with the corresponding first reinforcing frame, first power unit one end and connecting seat interconnect, the back that the top was leaned on is provided with the top and leans on the bottom plate, the top is leaned on and is leaned on through first rib frame interconnect between the bottom plate, two the articulated frame of second is put up and is connected between the bottom plate of leaning on and backing on the bottom plate, the back of shank supporting pad is provided with shank supporting pad bottom plate, through first rib frame interconnect between shank supporting pad and the shank supporting pad bottom plate, second power unit sets up the back at shank supporting pad bottom plate, the bottom of foot support is provided with the foot support bottom plate, through first rib frame interconnect between foot support and the foot support bottom plate.
Preferably, the second power unit includes first lift lead screw motor group, guide rail and guide holder, first lift lead screw motor group is connected at the back of shank supporting pad bottom plate, and its output upwards passes through articulated piece interconnect, two with the bottom of seatpad bottom plate the guide holder is inlayed on shank supporting pad bottom plate, the guide rail sets up between two guide holders, and two the bottom at the seatpad bottom plate is passed through articulated piece connection at the top of guide holder.
Preferably, the first power mechanism comprises a top connecting frame, a second lifting screw motor set, a third lifting screw motor set, a front connecting rod and an auxiliary wheel, the top connecting frame is arranged inside the lifting box, the second lifting screw motor group and the third lifting screw motor group are respectively arranged at the front side and the rear side below the top connecting frame, the top of the second lifting screw rod motor set extends upwards through the rear notch and is hinged with the connecting seat, the top of the third lifting screw motor set extends upwards through a front notch, the middle part of the front connecting rod is hinged with the output end of the third lifting screw motor set, the auxiliary wheel is connected with one end of the front connecting rod, the top of the front connecting rod is connected with the bottom of the seat cushion bottom plate through a hinge sheet, and the front connecting rod extends to the back of the lower leg supporting pad, and the auxiliary wheels are mutually contacted with the back of the lower leg supporting pad bottom plate.
Preferably, a top sealing plate is arranged at the top of the lifting box, the front notch and the rear notch are both formed in the top sealing plate, a mounting frame is arranged at the top of the top sealing plate, the seat body is connected to the lifting box through the mounting frame, a bottom connecting frame is arranged at the bottom of the lifting box, the lifting box is arranged inside the movable box through the bottom connecting frame, and the top of the lifting mechanism is connected with the top sealing plate.
Preferably, the movable box comprises a second reinforcing frame, an outer shell, a plurality of Melun power frames, a plurality of Mecanum wheels, a battery and a battery frame, the outer shell is sleeved on the surface of the second reinforcing frame, the Melun power frames are arranged at four corners inside the second reinforcing frame, the Mecanum wheels are all arranged at the output end of the Melun power frame, the surface of the Mecanum wheels downwards penetrates through the second reinforcing frame to be contacted with the ground, the battery frames are arranged at the left side and the right side of the second reinforcing frame, the battery is arranged inside the battery, the bottom of the lifting mechanism is arranged at the bottom of the second reinforcing frame, the side of the movable box is provided with an anti-turnover device, the front side and the rear side of the outer shell are both provided with a lamp tube, the side of the lamp tube at one side is provided with an emergency stop switch for controlling the power-off of the whole battery, and the four sides of the outer shell are both provided with infrared distance measuring induction heads, one side of the outer housing is provided with a plug for supplying power to the battery.
Preferably, the lifting mechanism comprises a fourth lifting lead screw motor group, a first rear hinged seat, a second rear hinged seat, a scissor arm, a top sliding plate, a bottom sliding plate, a front hinged long sliding seat and a front hinged short sliding seat, the top sliding plate is fixedly connected to the top sealing plate, the bottom sliding plate is arranged at the bottom of the second reinforcing frame, the first rear hinged seat is respectively arranged at the top and the bottom of the rear end of the scissor arm, the first rear hinged seat at the top is connected with the top sealing plate, the first rear hinged seat at the bottom is connected with the second reinforcing frame, the front hinged long sliding seat is connected with the bottom of the front end of the scissor arm in a mutually rotating manner, the front hinged long sliding seat is respectively connected with the two bottom sliding plates at the bottom in a mutually sliding manner, the front end of the top of the bottom sliding plate is fixedly provided with a limit baffle, the front hinged short sliding seat is connected with the top of the front end of the scissor arm in a mutually rotating manner, the front hinged short sliding seat is respectively connected with the two top sliding plates in a sliding mode.
Preferably, the second rear hinged seats are arranged between the two first rear hinged seats and are mutually connected with the bottom of the second reinforcing frame, the rear end of the fourth lifting screw rod motor set is rotatably connected with the second rear hinged seats, and the front end of the fourth lifting screw rod motor set is rotatably connected with the middle of the front hinged long sliding seat.
The invention has the following beneficial effects:
1. the whole seat body is connected with the backrest through the seat cushion, the backrest, the top rest, the crus supporting pads and the foot supports through the rotatable second hinged frame, the crus supporting pads and the foot supports are connected with each other through the rotatable first hinged frame, the seat cushion and the backrest are connected with each other through the third hinged frame, the whole seat body can be adjusted in a rotating mode, better comfort is achieved, meanwhile, through the four Mecanum wheels arranged inside the moving box, multiple walking modes such as forward moving, backward moving, left-right transverse moving, oblique moving, in-situ rotating and the like can be achieved, the anti-overturning device capable of being installed according to specific requirements is arranged on the outer side of the moving box, the safety of the whole device during moving is improved, overturning is avoided, and meanwhile, the anti-overturning device is matched with infrared distance measurement induction heads which are arranged on the four side faces of the moving box, so that when a patient is not concentrated in moving attention, the device can move to the wall or the edges of some objects on the surface to collide, thereby greatly improving the running safety performance of the whole device.
2. The output through first power unit is connected respectively at the back and shank supporting pad department, the inside second lift lead screw motor group of first power unit can drive through the output and lean on the seatpad department and rotate, thereby can drive its parallel and whole seatpad, and cooperate the inside third lift lead screw motor group of second power unit to drive preceding connecting rod and the auxiliary wheel of front end, the shank supporting pad that can drive to be connected with the seatpad also keeps level with the seatpad surface and keeps level, thereby can drive whole seat and be the plane setting, thereby lift case and inside elevating system of cooperation below, make can be more convenient when transporting patient transport on transporting other sick beds through going up and down. And keep off through the first supplementary side that is located the seatpad both sides and can collect through first unloading frame, and the supplementary side of second that leans against the department simultaneously keeps off and can accomodate through second unloading frame to when patient's tie was lain, both can carry out spacing or can increase the area of tie lying through descending.
3. The side surface of the movable box is provided with the anti-overturning device which is suspended in the air under the normal state, if the wheelchair leans forward, the anti-overturning device can contact the ground to play a supporting role, and then the vehicle body returns to the normal state through supporting reaction force and the self weight of the wheelchair. The device can be arranged in front of and behind the vehicle body or on two sides of the vehicle body according to the actual situation of the vehicle body, and the infrared ranging induction heads are arranged on four sides of the moving box, so that when a patient controls the front and back movement, the collision of the whole device can be automatically controlled and avoided.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a front perspective view of the present invention without the seat body installed;
FIG. 3 is a schematic rear perspective view of the present invention without the seat body installed;
FIG. 4 is a schematic perspective view of the mobile case of the present invention;
FIG. 5 is a schematic illustration of a disassembled structure of the mobile case of the present invention;
FIG. 6 is a perspective view of a second power configuration of the present invention;
FIG. 7 is a schematic perspective view of the lifting mechanism of the present invention;
fig. 8 is a perspective view of a first power configuration of the present invention.
In the figure: 1. a mobile box; 11. a second reinforcing frame; 12. an outer housing; 13. a mallen power stand; 14. a Mecanum wheel; 15. a battery; 16. a battery holder; 17. a lamp tube; 18. a plug; 19. an infrared ranging sensor head; 110. a scram switch; 111. an anti-roll over device; 2. lifting the box; 21. a top sealing plate; 211. a rear notch; 212. a front notch; 23. a mounting frame; 24. a bottom connecting frame; 31. a seat cushion; 311. a seat cushion bottom plate; 312. a first blanking frame; 313. a first blanking notch; 314. a first auxiliary side block; 32. backing up; 321. a backrest base plate; 322. a second blanking frame; 323. a second blanking notch; 324. a second auxiliary side block; 325. a first through groove; 326. a connecting seat; 33. abutting against; 331. against the bottom plate; 34. a second hinge frame; 35. a shank support pad; 351. a lower leg support pad base plate; 36. a foot support; 361. a foot rest base plate; 37. a first reinforcing frame; 38. a third hinge frame; 39. a first hinge frame; 4. a first power mechanism; 41. a top connecting frame; 42. a second lifting screw rod motor group; 43. a third lifting screw rod motor group; 44. a front link; 45. an auxiliary wheel; 5. a second power mechanism; 51. a first lifting screw rod motor set; 52. a guide rail; 53. a guide seat; 6. a lifting mechanism; 61. a first rear hinge mount; 62. a fourth lifting screw rod motor group; 63. a second rear hinge mount; 64. a scissor arm; 65. a bottom slide plate; 66. the front hinge joint long sliding seat; 67. a limit baffle; 68. a top slide plate; 69. the front is hinged to the short slide.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
Example (b): a chair mechanism capable of lying, as shown in figures 1-8, comprises a moving box 1, a chair body capable of lying is arranged on the top of the moving box 1, the chair body comprises a seat cushion 31, a backrest 32, a top rest 33, a shank supporting pad 35 and a foot rest 36, first reinforcing frames 37 are arranged in the seat cushion 31, the backrest 32, the top rest 33, the shank supporting pad 35 and the foot rest 36, a lifting box 2 is arranged on the bottom of the seat cushion 31, the bottom of the lifting box 2 is inserted into the moving box 1, a lifting mechanism 6 for increasing the height of the lifting box 2 is arranged in the moving box 1, a first power mechanism 4 is arranged on the bottom of the seat cushion 31, one end of the first power mechanism 4 is connected with the backrest 32, the other end of the first power mechanism 4 is connected with the moving box 31, two sets of first hinged frames 39 are arranged at the rear end of the seat cushion 31, the bottom of the backrest 32 is connected with the first hinged frames 39, first power unit 4 sets up in the inside of lifting case 2, preceding notch 212 and back notch 211 that make things convenient for first power unit 4 to extend are seted up respectively to the top of lifting case 2, be provided with two sets of second hinge frame 34 between the below of top 33 and the backrest 32, top 33 is through two sets of second hinge frame 34 and backrest 32 interconnect, shank supporting pad 35 sets up the front end below at seatpad 31, shank supporting pad 35 and rear side set up second power unit 5, the top output of second power unit 5 is connected with seatpad 31 rotation each other, shank supporting pad 35 passes through second power unit 5 and seatpad 31 interconnect, foot rest 36 sets up the below at shank supporting pad 35 front end, and both junctions are provided with two sets of third hinge frame 38, foot rest 36 passes through two sets of third hinge frame 38 and shank supporting pad 35 interconnect.
The bottom of the seat cushion 31 is provided with a seat cushion bottom plate 311, the seat cushion 31 and the seat cushion bottom plate 311 are connected with each other through a first reinforcing frame 37, the left side and the right side of the seat cushion bottom plate 311 are both provided with a first blanking notch 313, the first blanking notch 313 is arranged at the position of the first blanking notch 312 downwards, the top of the first blanking notch 312 is provided with a first auxiliary side baffle 314 capable of extending up and down, the rear side of the backrest 32 is provided with a backrest bottom plate 321, the backrest 32 and the backrest bottom plate 321 are connected with each other through the first reinforcing frame 37, the left side and the right side of the backrest bottom plate 321 are both provided with a second blanking notch 323, the second blanking notch 323 is arranged at the position of the second blanking notch 323, the front side of the second blanking notch 322 is provided with a second auxiliary side baffle 324 capable of extending back and forth, the backrest bottom plate 321 is provided with a first through groove 325, the first through groove 325 is provided with a connecting seat 326, the connecting seat 326 is connected with the corresponding first reinforcing frame 37, one end of the first power mechanism 4 is connected with the connecting seat 326, the back of the top rest 33 is provided with a top rest bottom plate 331, the top rest 33 is connected with the top rest bottom plate 331 through a first reinforcing frame 37, the two second hinged frames 34 are connected between the top rest bottom plate 331 and the back rest bottom plate 321, the back of the lower leg support pad 35 is provided with a lower leg support pad bottom plate 351, the lower leg support pad 35 is connected with the lower leg support pad bottom plate 351 through the first reinforcing frame 37, the second power mechanism 5 is arranged on the back of the lower leg support pad bottom plate 351, the bottom of the lower leg support 36 is provided with a lower leg support bottom plate 36, the lower leg support 36 is connected with the lower leg support bottom plate 36 through the first reinforcing frame 37, the second power mechanism 5 comprises a first lifting screw motor group 51, a guide rail 52 and a guide seat 53, the first lifting screw motor group 51 is connected with the back of the lower leg support pad bottom plate 351, and the output end of the first lifting screw motor group is connected with the bottom of the seat cushion bottom plate 311 upwards through a hinge plate, two guide bases 53 are embedded on the lower leg support pad bottom plate 351, the guide rail 52 is provided between the two guide bases 53, and the tops of the two guide bases 53 are connected to the bottom of the cushion bottom plate 311 through hinge pieces.
The first power mechanism 4 comprises a top connecting frame 41, a second lifting screw motor group 42, a third lifting screw motor group 43, a front connecting rod 44 and an auxiliary wheel 45, the top connecting frame 41 is arranged in the lifting box 2, the second lifting screw motor group 42 and the third lifting screw motor group 43 are respectively arranged at the front side and the rear side below the top connecting frame 41, the top of the second lifting screw motor group 42 extends upwards through a rear notch 211 and is hinged with the connecting seat 326, the top of the third lifting screw motor group 43 extends upwards through a front notch 212, the middle part of the front connecting rod 44 is hinged with the output end of the third lifting screw motor group 43, the auxiliary wheel 45 is connected with one end of the front connecting rod 44, the top of the front connecting rod 44 is connected with the bottom of the cushion bottom plate 311 through a hinge plate, and the front link 44 extends to the back of the lower leg support pad 35, and the auxiliary wheel 45 is in contact with the back of the lower leg support pad base plate 351.
The top of the lifting box 2 is provided with a top sealing plate 21, the front notch 212 and the rear notch 211 are both arranged on the top sealing plate 21, the top of the top sealing plate 21 is provided with an installation frame 23, the seat body is connected on the lifting box 2 through the installation frame 23, the bottom of the lifting box 2 is provided with a bottom connecting frame 24, the lifting box 2 is arranged inside the moving box 1 through the bottom connecting frame 24, the top of the lifting mechanism 6 is connected with the top sealing plate 21, the moving box 1 comprises a second reinforcing frame 11, an outer shell 12, a plurality of Mlo power frames 13, a plurality of Mecanum wheels 14, batteries 15 and battery 15 frames, the outer shell 12 is sleeved on the surface of the second reinforcing frame 11, the Mlo power frames 13 are arranged at four corners inside the second reinforcing frame 11, the Mlo wheels 14 are all arranged on the output end of the Mlo power frames 13, and the surface of the Mlo wheels penetrates through the second reinforcing frame 11 downwards to be contacted with the ground, battery 15 sets up the left and right sides at second strengthening frame 11, battery 15 all sets up inside battery 15, elevating system 6's bottom sets up the bottom at second strengthening frame 11, the side of removal case 1 is provided with anti-overturning device 111, all be provided with fluorescent tube 17 in the front and back side of outside casing 12, the fluorescent tube 17 side of one side is provided with emergency stop switch 110 of the whole battery 15 outage of control, four sides of outside casing 12 all are provided with infrared ray range finding inductive head 19, one side of outside casing 12 is provided with the plug 18 for the energy supply of battery 15.
The lifting mechanism 6 comprises a fourth lifting screw motor group 62, a first rear hinged seat 61, a second rear hinged seat 63, a scissor arm 64, a top sliding plate 68, a bottom sliding plate 65, a front hinged long sliding seat 66 and a front hinged short sliding seat 69, wherein the top sliding plate 68 is fixedly connected to the top sealing plate 21, the bottom sliding plate 65 is arranged at the bottom of the second reinforced frame 11, the first rear hinged seat 61 is respectively arranged at the top and the bottom of the rear end of the scissor arm 64, the first rear hinged seat 61 at the top is connected with the top sealing plate 21, the first rear hinged seat 61 at the bottom is connected with the second reinforced frame 11, the front hinged long sliding seat 66 is connected with the bottom of the front end of the scissor arm 64 in a rotating manner, the front hinged long sliding seat 66 is respectively connected with the two bottom sliding plates 65 at the bottom in a sliding manner, the front ends of the tops of the bottom sliding plates 65 are respectively and fixedly provided with a limit baffle 67, the front hinged short sliding seat 69 is connected with the top of the front end of the scissor arm 64 in a rotating manner, the front hinged short sliding seat 69 is respectively connected with the two top sliding plates 68 in a sliding mode, the second rear hinged seat 63 is arranged between the two first rear hinged seats 61 and is connected with the bottom of the second reinforcing frame 11 in an interconnecting mode, the rear end of the fourth lifting screw motor set 62 is connected with the second rear hinged seat 63 in a rotating mode, and the front end of the fourth lifting screw motor set 62 is connected with the middle of the front hinged long sliding seat 66 in a rotating mode.
The principle of the invention is as follows: when a patient sitting on the chair body needs to be changed to a sickbed, the patient moves to the side of the sickbed through the moving box 1 at the moment, the first power mechanism 4 is opened, the first power mechanism is pushed downwards through the second lifting screw motor group 42 at the rear end to drive the backrest 32 to move downwards, the bottom of the backrest 32 is connected with the seat cushion 31 through the first hinged bracket 39, so that the top of the backrest 32 rotates downwards to be parallel to the plane of the seat cushion 31, meanwhile, the third lifting screw motor group 43 is driven to push forwards to drive the front connecting rod 44 and the auxiliary wheel 45 at the front end to move forwards, the top of the front connecting rod 44 is connected with the seat cushion bottom plate 311, so that the auxiliary wheel 45 at the front end of the front connecting rod 44 drives the shank supporting pad 35 at the front end to move upwards, the second power mechanism 5 below the shank supporting pad 35 is synchronously opened, and the output end of the first power mechanism 4 is connected with the bottom of the seat cushion 31, thereby exerting force again, thereby further increasing the speed of paralleling the crus supporting pad 35, so that the whole seat body can be paralleled, after paralleling, the lifting mechanism 6 positioned below is opened at the moment, the lifting mechanism 6 pushes the front hinged long slide seat 66 to move forwards on the bottom slide plate 65 through the fourth lifting screw rod motor group 62 positioned below, so as to drive the scissor arm 64 to push upwards, thereby driving the whole seat body connected to the top sealing plate 21 to ascend, and after moving to the same height of a sickbed, the transfer of a patient is facilitated;
meanwhile, when the seat is in a seat state, the seat can move back and forth through the four Mecanum wheels 14 at the bottom of the movable box 1, and the infrared ranging induction heads 19 arranged on the matched side edges perform position control, so that collision can be avoided.
Finally, it should be noted that the above embodiments are merely representative examples of the present invention. It is obvious that the invention is not limited to the above-described embodiments, but that many variations are possible. Any simple modification, equivalent change and modification made to the above embodiments in accordance with the technical spirit of the present invention should be considered to be within the scope of the present invention.
Claims (8)
1. A reclining seat mechanism comprising a mobile box (1), characterized in that: the seat is characterized in that a seat body capable of lying flat is arranged at the top of the movable box (1), the seat body comprises a seat cushion (31), a backrest (32), a top rest (33), a lower leg supporting pad (35) and a foot rest (36), first reinforcing frames (37) are arranged in the seat cushion (31), the backrest (32), the top rest (33), the lower leg supporting pad (35) and the foot rest (36), a lifting box (2) is arranged at the bottom of the seat cushion (31), the bottom of the lifting box (2) is inserted into the movable box (1), a lifting mechanism (6) for improving the height of the lifting box (2) is arranged in the movable box (1), a first power mechanism (4) is arranged at the bottom of the seat cushion (31), one end of the first power mechanism (4) is connected with the backrest (32), the other end of the first power mechanism (4) is connected with the seat cushion (31), the rear end of the seat cushion (31) is provided with two groups of first hinged frames (39), the bottom of the backrest (32) is connected with the first hinged frames (39), the first power mechanism (4) is arranged in the lifting box (2), the top of the lifting box (2) is respectively provided with a front notch (212) and a rear notch (211) which are convenient for the first power mechanism (4) to extend, two groups of second hinged frames (34) are arranged between the lower part of the backrest (33) and the backrest (32), the backrest (33) is connected with the backrest (32) through the two groups of second hinged frames (34), the lower leg support pad (35) is arranged below the front end of the seat cushion (31), the lower leg support pad (35) and the rear side are provided with the second power mechanism (5), the top output end of the second power mechanism (5) is connected with the seat cushion (31) in a rotating way, the crus supporting pad (35) is connected with the seat cushion (31) through a second power mechanism (5), the foot support (36) is arranged below the front end of the crus supporting pad (35), two groups of third hinging frames (38) are arranged at the joint of the crus supporting pad and the foot support, and the foot support (36) is connected with the crus supporting pad (35) through the two groups of third hinging frames (38).
2. A reclining seat mechanism as set forth in claim 1, wherein: the bottom of the seat cushion (31) is provided with a seat cushion bottom plate (311), the seat cushion (31) and the seat cushion bottom plate (311) are connected with each other through a first reinforcing frame (37), the left side and the right side of the seat cushion bottom plate (311) are respectively provided with a first blanking notch (313), the first blanking notch (313) is downwards provided with a first blanking frame (312), the top of the first blanking frame (312) is provided with a first auxiliary side baffle (314) capable of extending up and down, the rear side of the backrest (32) is provided with a backrest bottom plate (321), the backrest (32) and the backrest bottom plate (321) are connected with each other through the first reinforcing frame (37), the left side and the right side of the backrest bottom plate (321) are respectively provided with a second blanking notch (323), the second blanking frame (322) is arranged at the second blanking notch (323), the front side of the second blanking frame (322) is provided with a second auxiliary side baffle (324) capable of extending back and forth, the backrest bottom plate (321) is provided with a first through groove (325), a connecting seat (326) is arranged at the position of the first through groove (325), the connecting seat (326) is connected with a corresponding first reinforcing frame (37), one end of a first power mechanism (4) is connected with the connecting seat (326), a top bottom plate (331) is arranged on the back of the top support (33), the top support (33) is connected with the top bottom plate (331) through the first reinforcing frame (37), two second hinged frames (34) are connected between the top bottom plate (331) and the backrest bottom plate (321), a lower leg support pad bottom plate (351) is arranged on the back of the lower leg support pad (35), the lower leg support pad (35) is connected with the lower leg support pad bottom plate (351) through the first reinforcing frame (37), and the second power mechanism (5) is arranged on the back of the lower leg support pad bottom plate (351), the bottom of foot support (36) is provided with foot support bottom plate (361), through first strengthening frame (37) interconnect between foot support (36) and foot support bottom plate (361).
3. A reclining seat mechanism as set forth in claim 2, wherein: the second power mechanism (5) comprises a first lifting lead screw motor group (51), a guide rail (52) and guide bases (53), the first lifting lead screw motor group (51) is connected to the back of the crus supporting pad bottom plate (351), the output end of the first lifting lead screw motor group is upwards connected with the bottom of the seat cushion bottom plate (311) through hinged pieces, the two guide bases (53) are embedded on the crus supporting pad bottom plate (351), the guide rail (52) is arranged between the two guide bases (53), and the top of each guide base (53) is connected to the bottom of the seat cushion bottom plate (311) through hinged pieces.
4. A reclining seat mechanism as set forth in claim 3, wherein: the first power mechanism (4) comprises a top connecting frame (41), a second lifting screw motor set (42), a third lifting screw motor set (43), a front connecting rod (44) and an auxiliary wheel (45), the top connecting frame (41) is arranged inside the lifting box (2), the second lifting screw motor set (42) and the third lifting screw motor set (43) are respectively arranged on the front side and the rear side below the top connecting frame (41), the top of the second lifting screw motor set (42) extends upwards through a rear notch (211) and is hinged with a connecting seat (326), the top of the third lifting screw motor set (43) extends upwards through a front notch (212), the middle of the front connecting rod (44) is hinged with the output end of the third lifting screw motor set (43), the auxiliary wheel (45) is connected to one end of the front connecting rod (44), the top of the front connecting rod (44) is connected with the bottom of the seat cushion bottom plate (311) through a hinge sheet, the front connecting rod (44) extends to the back of the lower leg supporting pad (35), and the auxiliary wheels (45) are mutually contacted with the back of the lower leg supporting pad bottom plate (351).
5. A reclining seat mechanism as set forth in claim 1, wherein: the lifting box is characterized in that a top sealing plate (21) is arranged at the top of the lifting box (2), the front notch (212) and the rear notch (211) are arranged on the top sealing plate (21), an installation frame (23) is arranged at the top of the top sealing plate (21), the seat body is connected to the lifting box (2) through the installation frame (23), a bottom connecting frame (24) is arranged at the bottom of the lifting box (2), the lifting box (2) is arranged inside the moving box (1) through the bottom connecting frame (24), and the top of the lifting mechanism (6) is connected with the top sealing plate (21).
6. A reclining seat mechanism according to claim 5, wherein: the movable box (1) comprises a second reinforcing frame (11), an outer shell (12), a plurality of Melun power frames (13), a plurality of Mecanum wheels (14), a battery (15) and a battery frame (16), wherein the outer shell (12) is sleeved on the surface of the second reinforcing frame (11), the Melun power frames (13) are arranged at four corners inside the second reinforcing frame (11), the Mecanum wheels (14) are arranged at the output end of the Melun power frames (13), the surface of the Mecanum wheels downwards penetrates through the second reinforcing frame (11) to be contacted with the ground, the battery frame (16) is arranged at the left side and the right side of the second reinforcing frame (11), the battery (15) is arranged inside the battery (15), the bottom of the lifting mechanism (6) is arranged at the bottom of the second reinforcing frame (11), and an anti-overturn device (111) is arranged at the side edge of the movable box (1), all be provided with fluorescent tube (17) in the front and back side of outside casing (12), one side fluorescent tube (17) side is provided with scram switch (110) of the whole battery (15) outage of control, four sides of outside casing (12) all are provided with infrared ray range finding induction head (19), one side of outside casing (12) is provided with plug (18) for battery (15) energy supply.
7. A reclining seat mechanism according to claim 6, wherein: the lifting mechanism (6) comprises a fourth lifting screw rod motor group (62), a first rear hinged seat (61), a second rear hinged seat (63), a scissor arm (64), a top sliding plate (68), a bottom sliding plate (65), a front hinged long sliding seat (66) and a front hinged short sliding seat (69), the top sliding plate (68) is fixedly connected to the top sealing plate (21), the bottom sliding plate (65) is arranged at the bottom of the second reinforcing frame (11), the first rear hinged seat (61) is respectively arranged at the top and the bottom of the rear end of the scissor arm (64), the first rear hinged seat (61) at the top is connected with the top sealing plate (21), the first rear hinged seat (61) at the bottom is connected with the second reinforcing frame (11), the front hinged long sliding seat (66) is connected with the bottom of the front end of the scissor arm (64) in a rotating manner, and the front hinged long sliding seat (66) is respectively connected with the two bottom sliding plates (65) at the bottom in a sliding manner, the top front end of bottom slide (65) all is fixed and is provided with limit baffle (67), preceding articulated short slide (69) and the mutual swivelling joint in front end top of cutting fork arm (64), preceding articulated short slide (69) respectively with two top slide (68) sliding connection each other.
8. A reclining seat mechanism as set forth in claim 7, wherein: articulated seat (63) set up behind two first back articulated seats (61) and with the bottom interconnect of second strengthening frame (11), articulated seat (63) rotation is connected after the rear end and the second of fourth lift lead screw motor group (62), the front end of fourth lift lead screw motor group (62) is connected with the middle part rotation of preceding articulated long slide (66).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210318089.0A CN114712104A (en) | 2022-03-29 | 2022-03-29 | Chair mechanism capable of lying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210318089.0A CN114712104A (en) | 2022-03-29 | 2022-03-29 | Chair mechanism capable of lying |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114712104A true CN114712104A (en) | 2022-07-08 |
Family
ID=82240474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210318089.0A Pending CN114712104A (en) | 2022-03-29 | 2022-03-29 | Chair mechanism capable of lying |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114712104A (en) |
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2022
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| JP2001346832A (en) * | 2000-06-07 | 2001-12-18 | Autech Japan Inc | Wheelchair |
| JP2002193002A (en) * | 2000-12-25 | 2002-07-10 | Johnson Controls Automotive Systems Corp | Vehicular seat |
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Application publication date: 20220708 |
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