CN217245245U - Real-time adjusting device of cat ladder wheelchair seat - Google Patents

Abstract

A real-time adjusting device of a ladder climbing wheelchair seat belongs to the technical field of rehabilitation treatment equipment; the seat comprises a seat body and a bottom frame, wherein the bottom frame is positioned below the seat body, a lifting mechanism is arranged between the bottom frame and the seat body, the lifting mechanism and the bottom frame are arranged in a front-back hinged manner, equipment containing boxes are respectively arranged at the rear sides of the lifting mechanism, front and back buffer devices are arranged below the equipment containing boxes, and the front ends of the front and back buffer devices are connected with the lifting mechanism; the utility model discloses a set up the bottom frame, and it is cup jointed by back cantilever axle and preceding cantilever axle and sets up in the axle bed, and the wheel is all connected in preceding cantilever axle and back cantilever axle around the whole dolly for whole front wheel and rear wheel are independent respectively, can roll when left front wheel (right front wheel) meets the barrier and cross, and right front wheel (left front wheel) can not liftoff yet simultaneously, has guaranteed the contact of wheel and ground, and the rear wheel also has the same ability of hindering more.

Description

Real-time adjusting device of cat ladder wheelchair seat

Technical Field

The utility model belongs to the technical field of medical rehabilitation equipment, specifically relate to a real-time adjusting device of cat ladder wheelchair seat.

Background

Wheelchairs are chairs equipped with wheels to help replace walking and are classified into electric and manual folding wheelchairs. The wheelchair is an important moving tool for home rehabilitation, turnover transportation, treatment and outgoing activities of wounded persons, patients and disabled persons, not only can the wheelchair meet the needs of physically disabled persons and mobility-handicapped persons, but also is more important for 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.

However, when the wheelchair is used for stairs, the wheelchair cannot be climbed, so that the wheelchair needs to be carried upwards again after the wheelchair is lifted up with the injured person, which is very labor-consuming and time-consuming, and is more troublesome for a family in which general labor force is not at home.

SUMMERY OF THE UTILITY MODEL

The utility model mainly solves the technical problems existing in the prior art and provides a real-time adjusting device for a ladder stand wheelchair seat.

The above technical problem of the present invention can be solved by the following technical solutions: a real-time adjusting device of a ladder stand wheelchair seat comprises a seat body and a bottom frame, wherein the bottom frame is positioned below the seat body, a lifting mechanism is arranged between the bottom frame and the seat body, the lifting mechanism and the bottom frame are arranged in a front-back hinged mode, an equipment containing box is respectively arranged on the rear side of the lifting mechanism, a front buffer device and a rear buffer device are arranged below the equipment containing box, the front ends of the front buffer device and the rear buffer device are connected with the lifting mechanism, the rear ends of the front buffer device and the rear buffer device are connected with the bottom frame, the bottom frame comprises a front cantilever shaft, a rear cantilever shaft and a shaft seat, the front cantilever shaft is connected with the rear cantilever shaft through the shaft seat, the lifting mechanism is arranged at the top of the shaft seat, supporting rods are arranged on the left side and the right side of the front cantilever shaft and the rear cantilever shaft, and sleeves are sleeved on the surfaces of the supporting rods, the telescopic top is pegged graft and is had longitudinal rod, is located the epaxial longitudinal rod middle part of back cantilever all is provided with first mounting panel, all be provided with the electric cabinet on the first mounting panel, every the bayonet joint has all been pegged graft to the outside at longitudinal rod top, every the independent suspension has all been pegged graft on the bayonet joint, the side four corners of bottom frame all is provided with the headstock, every the bracing piece interconnect that the bottom side of headstock corresponds, the other end and the headstock interconnect that correspond of independent suspension, the outside surface of headstock all rotates and is connected with the planetary walking wheel of three outputs, every output of planetary walking wheel all is provided with mecanum wheel.

Preferably, a neck support is arranged at the top of the seat body, a connector is arranged at the joint of the neck support and the seat body, a first reinforcing plate is arranged on the back surface of the neck support, first reinforcing hoops are arranged below the first reinforcing plate, two ends of each first reinforcing hoop are connected to the left side and the right side of the back surface of the seat body, a second reinforcing plate is arranged below the back surface of the seat body, two groups of second reinforcing hoops are arranged on the rear side of each second reinforcing plate, two ends of each two groups of second reinforcing hoops are connected to the left side and the right side of the seat body, a front expansion frame is arranged at the front end of the bottom of the seat body, a rear support plate is arranged at the front bottom of the front expansion frame, a foot support plate is hinged to the bottom of the rear support plate, armrest bottom frames are arranged on the left side and the right side of the seat body, side armrests are arranged at the tops of the armrest bottom frames, and a controller is arranged on one side of the top of the side handrail.

Preferably, elevating system includes that first electric putter, back keep off seat, bottom plate and second mounting panel, the bottom plate sets up the top at the axle bed, the left and right sides of bottom plate bottom all rotates and is provided with articulated seat, articulated seat and the mutual fixed connection of axle bed, first electric putter and back keep off the seat and all set up the top at the bottom plate, the back keeps off the seat and sets up the rear side at first electric putter, first electric putter's side is provided with the gyroscope sensor, the second mounting panel sets up the top at first electric putter, the seat body sets up the top at the second mounting panel, the top of preceding expansion frame passes through bolt fixed connection with the bottom front end of second mounting panel.

As preferred, every the top of headstock all is provided with the top mounting bracket, the one end interconnect of top mounting bracket and the independent suspension that corresponds, every one side that the headstock is close to the bracing piece is provided with rather than the bottom mounting bracket that cup joints each other, every the top of headstock all is provided with a plurality of dead levers, all be provided with the protection casing on the dead lever, the protection casing is protected planetary walking wheel and mecanum wheel.

Preferably, the front and rear buffering devices include a rear socket, a first connecting rod, a second electric push rod and a rear housing, the rear socket is plugged at the rear end of the rear cantilever shaft, the first connecting rod is arranged at the rear side of the rear socket, the second connecting rod is arranged at the rear end of the top of the rear socket, the rear end of the second electric push rod is rotatably connected with the bottom of the socket, the output end of the second electric push rod is rotatably connected with the rear end of the lifting mechanism, the rear housing is sleeved on the surface of the second electric push rod and protects the rear cantilever shaft downwards, the top of the rear housing is located below the equipment containing box, the front end of the rear housing is connected with the two longitudinal rods, and the rear end of the first connecting rod is connected with the inner wall of the rear housing.

Preferably, a third mounting plate is arranged below the equipment containing box, the front end of the third mounting plate is connected to the tops of the two longitudinal rods positioned on the rear side, and the top of the second connecting rod penetrates upwards through the rear shell to be connected with the third mounting plate.

The utility model discloses beneficial effect who has:

1. through setting up the bottom frame, and it is cup jointed by back cantilever axle and preceding cantilever axle and sets up in the axle bed, and the wheel all is connected in cantilever axle and back cantilever axle in the front around the whole dolly for whole front wheel and rear wheel are independent respectively, can roll when left front wheel (right front wheel) meets the barrier and cross, and right front wheel (left front wheel) can not liftoff yet simultaneously, has guaranteed wheel and ground contact, and the rear wheel also has the same ability of hindering more.

2. A lifting mechanism and a front and rear buffer device are respectively arranged below the seat body, and two electric push rods are connected through a hinge to form a connecting rod mechanism. The inclination angle of the seat surface of the seat body relative to the ground is detected in real time through the gyroscope sensor and fed back to the second electric push rod, and the second electric push rod makes corresponding telescopic motion according to the received signal to adjust the seat surface of the seat and maintain the level. When gyroscope sensor detected the seat slope, synchronous electric putter can rise to the highest state, avoids seat and person of taking to contact with the step in seat automatically regulated process to when climbing stair or ascending slope, the uncomfortable that slows down to human slope that can be great caused feels, thereby makes the travelling comfort of whole mechanism stronger.

3. Four planetary traveling wheels are arranged at four corners of the whole bottom frame, each planetary traveling wheel group consists of 3 Mecanum wheels, and the multi-kinetic-energy chair can easily finish various traveling modes such as forward traveling, backward traveling, left-right transverse moving, oblique moving, in-situ rotating and the like when traveling on the flat ground through the four planetary traveling wheels.

Drawings

Fig. 1 is a schematic view of a front perspective structure of the present invention;

FIG. 2 is a schematic view of a three-dimensional structure of the back of the present invention;

FIG. 3 is a schematic perspective view of the present invention without a seat body;

FIG. 4 is a schematic perspective view of a part of the structure of the present invention;

fig. 5 is a schematic perspective view of a part of the structure of the present invention;

fig. 6 is an enlarged schematic view of a portion a of fig. 4.

In the figure: 11. a rear cantilever shaft; 12. a front cantilever shaft; 13. a shaft seat; 14. a support bar; 15. a first mounting plate; 16. a sleeve; 17. a longitudinal rod; 18. a plug-in connector; 19. an electric cabinet; 110. independently hanging; 111. a third mounting plate; 21. a hinged seat; 22. a base plate; 23. a rear baffle seat; 24. a first electric push rod; 25. a second mounting plate; 26. a gyroscope sensor; 3. a power box; 31. a top mounting bracket; 32. a bottom mounting bracket; 33. fixing the rod; 34. a planetary travelling wheel; 35. a Mecanum wheel; 36. a protective cover; 4. front and rear cushion devices; 41. a rear socket; 42. a first connecting rod; 43. a second connecting rod; 44. a second electric push rod; 45. a rear housing; 5. an equipment storage box; 61. a seat body; 62. a neck support; 63. a connector; 64. a first reinforcing plate; 65. a first reinforcing cuff; 66. a second reinforcing cuff; 67. a second reinforcing plate; 68. an armrest chassis; 69. a side arm rest; 610. a controller; 611. a front expanding frame; 612. a rear support plate; 613. a foot supporting plate.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

The embodiment is as follows: a real-time adjusting device of a ladder wheelchair seat is disclosed, as shown in figures 1-6, comprising a seat body 61 and a bottom frame, wherein the bottom frame is arranged below the seat body 61, a lifting mechanism is arranged between the bottom frame and the seat body 61, the lifting mechanism and the bottom frame are arranged in a front-back hinged manner, the rear side of the lifting mechanism is respectively provided with an equipment containing box 5, a front-back buffer device 4 is arranged below the equipment containing box 5, the front end of the front-back buffer device 4 is connected with the lifting mechanism, the rear end of the front-back buffer device 4 is connected with the bottom frame, the bottom frame comprises a front cantilever shaft 12, a rear cantilever shaft 11 and a shaft seat 13, the front cantilever shaft 12 is connected with the rear cantilever shaft 11 through the shaft seat 13, the lifting mechanism is arranged at the top of the shaft seat 13, the left side and the right side of the front cantilever shaft 12 and the rear cantilever shaft 11 are both provided with a support rod 14, the surface of the support rod 14 is sleeved with a sleeve 16, a longitudinal rod 17 is inserted into the top of the sleeve 16, a first mounting plate 15 is arranged in the middle of each longitudinal rod 17 on the rear cantilever shaft 11, an electric cabinet 19 is arranged on each first mounting plate 15, an inserting joint 18 is inserted into the outer side of the top of each longitudinal rod 17, an independent suspension 110 is inserted into each inserting joint 18, power boxes 3 are arranged at four corners of the side edge of the bottom frame, supporting rods 14 corresponding to the side edge of the bottom of each power box 3 are connected with each other, the other end of each independent suspension 110 is connected with the corresponding power box 3, a planetary traveling wheel 34 with three outputs is rotatably connected to the outer side surface of each power box 3, and a Mecanum wheel 35 is arranged at each output end of each planetary traveling wheel 34;

by arranging the bottom frame, the rear cantilever shaft 11 and the front cantilever shaft 12 are sleeved in the shaft seat 13, the front wheels and the rear wheels of the whole trolley are connected in the front cantilever shaft 12 and the rear cantilever shaft 11, so that the whole front wheels and the whole rear wheels are respectively independent, when the left front wheel (the right front wheel) meets obstacles, the left front wheel (the right front wheel) can roll over the obstacles, the right front wheel (the left front wheel) can not lift off, the wheels are ensured to be contacted with the ground, the rear wheels also have the same obstacle crossing capability, four planetary traveling wheels 34 are respectively arranged on four corners of the whole bottom frame, each group of traveling wheels 34 consists of 3 Mecanum wheels 35, and when the multifunctional chair travels on the flat ground, the multifunctional chair can easily complete various traveling modes such as advancing, retreating, left-right transverse movement, oblique movement, in-place rotation and the like through four groups of planetary traveling wheels 34, and when the multifunctional chair meets obstacles such as steps and the like, if the multifunctional chair cannot normally travel through the obstacles, the obstacle can be surmounted by a planetary structure.

The top of the seat body 61 is provided with a neck support 62, a connecting head 63 is arranged at the joint of the neck support 62 and the seat body 61, a first reinforcing plate 64 is arranged on the back surface of the neck support 62, a first reinforcing hoop 65 is arranged below the first reinforcing plate 64, two ends of the first reinforcing hoop 65 are connected to the left side and the right side of the back surface of the seat body 61, a second reinforcing plate 67 is arranged below the back surface of the seat body 61, two groups of second reinforcing hoops 66 are arranged on the rear side of the second reinforcing plate 67, two ends of the two groups of second reinforcing hoops 66 are connected to the left side and the right side of the seat body 61, a front expansion frame 611 is arranged at the front end of the bottom of the seat body 61, a rear support plate 612 is arranged at the front bottom of the front expansion frame 611, a foot support plate 613 is hinged to the bottom of the rear support plate 612, armrest chassis 68 is arranged on the left side and the right side of the seat body 61, side armrests 69 are arranged on the top of the armrest chassis 68, and a controller 610 is arranged on one side of the top of the side of the armrest 69.

Elevating system includes first electric putter 24, keep off seat 23 after, bottom plate 22 and second mounting panel 25, bottom plate 22 sets up the top at axle bed 13, the left and right sides of bottom plate 22 bottom all rotates and is provided with articulated seat 21, articulated seat 21 and the mutual fixed connection of axle bed 13, first electric putter 24 and back keep off seat 23 and all set up the top at bottom plate 22, back keep off seat 23 and set up the rear side at first electric putter 24, the side of first electric putter 24 is provided with gyroscope sensor 26, second mounting panel 25 sets up the top at first electric putter 24, seat body 61 sets up the top at second mounting panel 25, preceding top of expanding strut 611 passes through bolt fixed connection with the bottom front end of second mounting panel 25.

The top of each power box 3 is provided with a top mounting rack 31, the top mounting rack 31 is connected with one end of the corresponding independent suspension 110, one side of each power box 3 close to the supporting rod 14 is provided with a bottom mounting rack 32 which is sleeved with the supporting rod 14, the top of each power box 3 is provided with a plurality of fixing rods 33, each fixing rod 33 is provided with a protective cover 36, and the protective covers 36 protect the planetary traveling wheels 34 and the Mecanum wheels 35.

The front and rear buffering device 4 includes a rear socket 41, a first connecting rod 42, a second connecting rod 43, a second electric push rod 44, and a rear housing 45, the rear socket 41 is plugged at the rear end of the rear cantilever shaft 11, the first connecting rod 42 is disposed at the rear side of the rear socket 41, the second connecting rod 43 is disposed at the rear end of the top of the rear socket 41, the rear end of the second electric push rod 44 is rotatably connected to the bottom of the rear socket 41, the output end of the second electric push rod 44 is rotatably connected to the rear end of the lifting mechanism, the rear housing 45 is sleeved on the surface of the second electric push rod 44 and protects the rear cantilever shaft 11 downward, the top of the rear housing 45 is located below the equipment accommodating box 5, the front end of the rear housing 45 is connected to the two longitudinal rods 17, the rear end of the first connecting rod 42 is connected to the inner wall of the rear housing 45, a third mounting plate 111 is disposed below the equipment accommodating box 5, the front end of the third mounting plate 111 is connected to the top of the two longitudinal rods 17 at the rear side, and the top of the second connecting rod 43 penetrates the rear housing 45 upward and is connected with the third mounting plate 111;

a lifting mechanism and a front and rear buffer device 4 are respectively arranged below the seat body 61, and two electric push rods are connected through a hinge to form a link mechanism. The tilt angle of the seat surface of the seat body 61 relative to the ground is detected in real time by the gyroscope sensor 26 and fed back to the second electric push rod 44, and the second electric push rod 44 performs corresponding telescopic motion according to the received signal to adjust the seat surface and maintain the level. When gyroscope sensor 26 detects the seat slope, synchronous first electric putter 24 can rise to the highest state, avoids seat and person of taking to contact with the step in seat automatically regulated process to when climbing stair or ascending slope, the uncomfortable sense that slows down the human slope that can be great and cause makes the travelling comfort of whole mechanism stronger.

Finally, it should be noted that the above embodiments are merely representative examples of the present invention. Obviously, the present invention is not limited to the above embodiments, and many modifications are possible. Any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should be considered as belonging to the protection scope of the present invention.

Claims (6)

1. The utility model provides a real-time adjusting device of cat ladder wheelchair seat, includes seat body (61) and bottom frame, its characterized in that: the bottom frame is positioned below the seat body (61), a lifting mechanism is arranged between the bottom frame and the seat body (61), the lifting mechanism and the bottom frame are arranged in a front-back hinged mode, an equipment containing box (5) is arranged on the rear side of the lifting mechanism, a front buffer device (4) and a rear buffer device (4) are arranged below the equipment containing box (5), the front end of the front buffer device (4) and the rear buffer device (4) are connected with each other, the rear end of the front buffer device (4) and the rear frame are connected with each other, the bottom frame comprises a front cantilever shaft (12), a rear cantilever shaft (11) and a shaft seat (13), the front cantilever shaft (12) is connected with the rear cantilever shaft (11) through the shaft seat (13), the lifting mechanism is arranged at the top of the shaft seat (13), and supporting rods (14) are arranged on the left side and the right side of the front cantilever shaft (12) and the rear cantilever shaft (11), the surface of the supporting rod (14) is sleeved with a sleeve (16), the top of the sleeve (16) is inserted with a longitudinal rod (17), the middle part of the longitudinal rod (17) on the rear cantilever shaft (11) is provided with a first mounting plate (15), the first mounting plate (15) is provided with an electric control box (19), the top of each longitudinal rod (17) is inserted with an inserting head (18) outwards, each inserting head (18) is inserted with an independent suspension (110), four corners of the side edge of the bottom frame are provided with power boxes (3), the supporting rods (14) corresponding to the side edges of the bottom of each power box (3) are connected with each other, the other end of each independent suspension (110) is connected with the corresponding power box (3), the outer surface of each power box (3) is rotatably connected with three-output planetary traveling wheels (34), each output end of the planetary travelling wheel (34) is provided with a Mecanum wheel (35).

2. The real-time adjusting device of a cat ladder wheelchair seat of claim 1, which is characterized in that: the top of the seat body (61) is provided with a neck support (62), a connecting head (63) is arranged at the connecting position of the neck support (62) and the seat body (61), a first reinforcing plate (64) is arranged on the back surface of the neck support (62), a first reinforcing hoop (65) is arranged below the first reinforcing plate (64), two ends of the first reinforcing hoop (65) are connected to the left side and the right side of the back surface of the seat body (61), a second reinforcing plate (67) is arranged below the back surface of the seat body (61), two groups of second reinforcing hoops (66) are arranged on the rear side of the second reinforcing plate (67), two ends of the two groups of second reinforcing hoops (66) are connected to the left side and the right side of the seat body (61), a front expansion frame (611) is arranged at the front end of the bottom of the seat body (61), and a rear supporting plate (612) is arranged at the front bottom of the front expansion frame (611), the bottom of back layer board (612) articulates and is provided with foot layer board (613), the left and right sides of seat body (61) all is provided with handrail chassis (68), the top of handrail chassis (68) all is provided with side handrail (69), top one side of side handrail (69) is provided with controller (610).

3. The real-time adjusting device of a ladder climbing wheelchair seat of claim 2, characterized in that: the lifting mechanism comprises a first electric push rod (24), a rear baffle seat (23), a bottom plate (22) and a second mounting plate (25), the bottom plate (22) is arranged at the top of the shaft seat (13), the left side and the right side of the bottom plate (22) are both rotatably provided with a hinged seat (21), the hinged seat (21) is fixedly connected with the shaft seat (13), the first electric push rod (24) and the rear baffle seat (23) are both arranged at the top of the bottom plate (22), the rear baffle seat (23) is arranged at the rear side of the first electric push rod (24), a gyroscope sensor (26) is arranged on the side surface of the first electric push rod (24), the second mounting plate (25) is arranged on the top of the first electric push rod (24), the seat body (61) is arranged at the top of the second mounting plate (25), and the top of the front expanding frame (611) is fixedly connected with the front end of the bottom of the second mounting plate (25) through a bolt.

4. The real-time adjusting device of a ladder climbing wheelchair seat of claim 1, characterized in that: every the top of headstock (3) all is provided with top mounting bracket (31), top mounting bracket (31) and the one end interconnect who corresponds independent suspension (110), every one side that headstock (3) are close to bracing piece (14) is provided with rather than bottom mounting bracket (32) that cup joints each other, every the top of headstock (3) all is provided with a plurality of dead levers (33), all be provided with protection casing (36) on dead lever (33), protection casing (36) are protected planetary walking wheel (34) and mecanum wheel (35).

5. The real-time adjusting device of a cat ladder wheelchair seat of claim 1, which is characterized in that: the front and rear buffer devices (4) comprise rear insertion seats (41), first connecting rods (42), second connecting rods (43), second electric push rods (44) and rear shells (45), the rear insertion seats (41) are inserted into the rear ends of the rear cantilever shafts (11), the first connecting rods (42) are arranged on the rear sides of the rear insertion seats (41), the second connecting rods (43) are arranged at the rear ends of the tops of the rear insertion seats (41), the rear ends of the second electric push rods (44) are mutually rotatably connected with the bottoms of the rear insertion seats (41), the output ends of the second electric push rods (44) are mutually rotatably connected with the rear ends of the lifting mechanisms, the rear shells (45) are sleeved on the surfaces of the second electric push rods (44) and downwards protect the rear cantilever shafts (11), the tops of the rear shells (45) are positioned below the equipment containing boxes (5), and the front ends of the rear shells (45) are mutually connected with two longitudinal rods (17), the rear end of the first connecting rod (42) is connected with the inner wall of the rear shell (45).

6. The real-time adjusting device of a ladder climbing wheelchair seat as claimed in claim 5, wherein: the below of equipment containing box (5) is provided with third mounting panel (111), the top at two longitudinal rod (17) that are located the rear side is connected to the front end of third mounting panel (111), the top of second connecting rod (43) upwards runs through back casing (45) and third mounting panel (111) interconnect.

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