CN211797307U

CN211797307U - Intelligent seat

Info

Publication number: CN211797307U
Application number: CN201921898480.2U
Authority: CN
Inventors: 刘畅; 卯恒睿; 郭梦赐; 庞统威; 仇飞
Original assignee: Nanjing Xiaozhuang University
Current assignee: Nanjing Xiaozhuang University
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-10-30
Anticipated expiration: 2029-11-06

Abstract

The utility model discloses an intelligent seat, including bottom support, battery, motor drive wheel, electric putter, level sensor, driving motor and control box, the intermediate position of bottom support is fixed with the fixed axle, and both ends cover is equipped with the rotation wheel around the fixed axle, the welding of the positive one end of fixed axle has the dead lever, and the upper end of dead lever articulates through torque spring has the ratchet, the right-hand member bottom fixed mounting of bottom support has the battery, the right side fixed mounting of bottom support has motor drive wheel, the left end of bottom support articulates there is first hinge bar. The utility model discloses a set up the ratchet and laminate under torque spring's support on rotating wheel inner wall welded oblique tooth for rotate the wheel and can only rotate the removal forward when climbing, when losing power drive, rotate the wheel and block the lock by the ratchet when backward rotating and die, the effectual swift current car accident that takes place when preventing the device climbing has improved the device's security performance greatly.

Description

Intelligent seat

Technical Field

The utility model relates to a remove seat technical field, specifically be an intelligent seat.

Background

The movable seat is driven by self-contained electric power, and is used for assisting the mobility of disabled people, the current movable seat is simple in structure and single in function, and only has the function of walking driving, when climbing to advance, the gravity center moves backwards when climbing, so that the movable seat is easy to tip backwards, dangerous accidents occur, the current movable seat is limited by the rotation of a motor when climbing, if the motor loses power support, the seat slides backwards to slide to a slope, dangerous accidents occur, the current movable seat cannot automatically adjust the height of a pedal part according to the body specification of a user, and the use is inconvenient, so that the intelligent seat capable of preventing vehicle sliding and automatically adjusting the height and the gravity center when climbing to solve the problems is provided.

In the prior art, chinese patent application 201510791657.9 discloses an intelligent seat, including running gear, elevating system and seat, elevating system locates on the running gear, the last servo mechanism that is equipped with of elevating system, servo mechanism's lower part and elevating system upper portion swing joint, the seat is located on servo mechanism, great slope from top to bottom, the slope in-process seat all can remain the level all the time up and down, the focus can follow-up and be in the middle of the two-wheeled all the time, the problem of climbing in-process focus shifts out the front and back wheel has been solved, but the device's elevating system is too high, make the device's focus too high, arouse easily to tumble, and can not carry out automatic folk prescription at the climbing in-process wheel and lock to dying, the swift current accident takes place easily, the security performance is not high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an intelligent seat to solve present moving seat who proposes in the above-mentioned background art and lead to taking place easily and tumble owing to the focus unstability in the climbing process, and can not adjust pedal height in a flexible way, and the wheel can not the auto-lock lead to taking place the problem on swift current slope easily when climbing.

In order to achieve the above object, the utility model provides a following technical scheme: an intelligent seat comprises a bottom support, a storage battery, a motor driving wheel, an electric push rod, a level sensor, a driving motor and a control box, wherein a fixed shaft is fixed at the middle position of the bottom support, rotating wheels are sleeved at the front end and the rear end of the fixed shaft, a fixed rod is welded at one end of the front side of the fixed shaft, a ratchet wheel is hinged at the upper end of the fixed rod through a torsion spring, the storage battery is fixedly installed at the bottom of the right end of the bottom support, the motor driving wheel is fixedly installed at the right side of the bottom support, a first hinge rod is hinged at the left end of the bottom support, a balance adjusting plate is hinged at the other end of the first hinge rod, the electric push rod is fixedly installed at the right side of the upper end of the bottom support, a sliding block is fixed on a power output shaft of the electric push, the left end fixed welding of balance adjustment board has pedal, the even welding of the upper end of balance adjustment board has the telescopic link, and the outside of telescopic link all overlaps and is equipped with supporting spring, the top fixed mounting of telescopic link has the seat, balance adjustment board's intermediate position is inserted and is equipped with the rotation cover, and the intermediate position of rotation cover inserts and is equipped with the screw rod, the right side meshing of rotation cover has the hammer gear, and the right-hand member welded fastening of hammer gear has driving motor, the left end of seat is fixed and is equipped with the control box.

Preferably, the inner wall of the rotating wheel is uniformly welded with oblique teeth, the oblique direction of the oblique teeth inclines rightwards, and the ratchet wheel is designed into an elastic supporting structure through a torsion spring and the fixing rod.

Preferably, the spout has been seted up at the top of bottom support, the slider is inserted and is established in the spout that bottom support top was seted up, the slider passes through the spout and designs for sliding structure with the bottom support, the bottom and the bottom support of first hinge bar design are rotating-structure, the top and the balance adjustment board of first hinge bar design are rotating-structure, the top of second hinge bar articulates in balance adjustment board's bottom left side, the bottom and the slider design of second hinge bar are rotating-structure, the top and the balance adjustment board design of second hinge bar are rotating-structure.

Preferably, the top of supporting spring welds the bottom at the seat, the bottom welding of supporting spring is in the top of balanced regulating plate, the seat passes through supporting spring and balanced regulating plate design for elastic telescopic structure.

Preferably, it designs for rotational structure to rotate the cover with the balance adjustment board, set up screw thread on the inner wall of rotation cover, set up screw thread on the outer wall of screw rod, the screw rod passes through the meshing of screw thread and rotates the cover and design for rotatory elevation structure, the outside welding that rotates the cover has toper tooth, and the size of hammer shape tooth is the same with the size of hammer gear outside tooth, the hammer gear is designed for meshing rotational structure with the rotation cover, hammer gear welding is on driving motor's rotation output shaft, driving motor fixes the top at the balance adjustment board.

Preferably, the input of control box passes through the wire and is designed to be the electricity with the output of battery and be connected, the output of control box passes through the wire and is designed to be the electricity with motor drive wheel, electric putter and driving motor's input and be connected, level sensor passes through the wire and is designed to electric connection with the control box.

Compared with the prior art, the beneficial effects of the utility model are that:

1. inlay the inside at the balance adjustment board through setting up level sensor, can feed back the control box through the focus skew condition of level sensor when with the device climbing, through control box drive electric putter, promote the slider, make the second articulated rod change the support of balance adjustment board, thereby adjust the incline direction of seat, change the device's focus position, make the device focus stable when climbing, the climbing stability of the device has been improved greatly, effectually prevent that the device from because the focus is unstable when climbing leads to taking place the accident of tumbling.

2. Drive hammer gear through setting up driving motor and rotate, make hammer gear meshing drive and rotate the cover and rotate, screw thread on the cooperation rotation cover inner wall and the screw thread on the screw rod outer wall, make when rotating the cover and rotate, the control screw rod goes up and down, thereby stably adjust the height of seat, make the distance between pedal and the seat can freely adjust, the flexibility of the device has been strengthened greatly, make the device can be applicable to different crowds, and simultaneously, utilize the auto-lock performance of screw thread, make the device's lift stable, the stability of the device can be greatly improved.

3. The ratchet wheel is attached to the oblique teeth welded on the inner wall of the rotating wheel under the support of the torsion spring, so that the rotating wheel can only rotate forwards when climbing, when power driving is lost, the rotating wheel is clamped and locked by the ratchet wheel when rotating backwards, the sliding accident is effectively prevented when the device climbs, and the safety performance of the device is greatly improved.

Drawings

FIG. 1 is a schematic sectional view of the front view of the structure of the present invention;

FIG. 2 is a schematic front view of the structure of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

fig. 4 is a schematic diagram of the circuit flow control of the present invention.

In the figure: 1. a bottom bracket; 2. a fixed shaft; 3. a rotating wheel; 4. fixing the rod; 5. a ratchet wheel; 6. a storage battery; 7. a motor driving wheel; 8. a first hinge lever; 9. a balance adjusting plate; 10. an electric push rod; 11. a slider; 12. a second hinge lever; 13. a level sensor; 14. pedaling; 15. a telescopic rod; 16. a support spring; 17. a seat; 18. rotating the sleeve; 19. a screw; 20. a hammer gear; 21. a drive motor; 22. and a control box.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment:

an intelligent seat comprises a bottom support 1, a storage battery 6, a motor driving wheel 7, an electric push rod 10, a level sensor 13, a driving motor 21 and a control box 22, wherein a fixed shaft 2 is fixed at the middle position of the bottom support 1, rotating wheels 3 are sleeved at the front end and the rear end of the fixed shaft 2, a fixed rod 4 is welded at one end of the front surface of the fixed shaft 2, a ratchet wheel 5 is hinged at the upper end of the fixed rod 4 through a torsion spring, oblique teeth are uniformly welded on the inner wall of the rotating wheels 3, the oblique teeth incline rightwards, the ratchet wheel 5 and the fixed rod 4 are designed into an elastic supporting structure through the torsion spring, the ratchet wheel 5 is always attached to the teeth welded on the inner wall of the rotating wheels 3 through the elastic support of the torsion spring, and because the teeth are designed to incline rightwards, when the rotating wheels 3 rotate anticlockwise, the ratchet wheel 5 slides on the oblique teeth, no influence is, when the rolling wheel 3 goes up the slope and the rolling occurs clockwise, the ratchet wheel 5 is clamped on the oblique teeth under the elastic support of the torsion spring to lock and limit the rolling wheel 3, so that the device is effectively prevented from climbing and rolling, and the safety performance of the device is greatly improved.

The bottom of the right end of the bottom support 1 is fixedly provided with a storage battery 6, the right side of the bottom support 1 is fixedly provided with a motor driving wheel 7, the model of the motor driving wheel 7 is 225/55-8, the left end of the bottom support 1 is hinged with a first hinged rod 8, the other end of the first hinged rod 8 is hinged with a balance adjusting plate 9, the right side of the upper end of the bottom support 1 is fixedly provided with an electric push rod 10, the model of the electric push rod 10 is DTL200, a slide block 11 is fixed on a power output shaft of the electric push rod 10, a second hinged rod 12 is hinged above the slide block 11, the top of the bottom support 1 is provided with a slide groove, the slide block 11 is inserted in the slide groove arranged at the top of the bottom support 1, the slide block 11 and the bottom support 1 are designed into a sliding structure through the slide groove, the bottom end of the first hinged rod 8 and the bottom support 1 are designed, the top of second hinge bar 12 articulates in the bottom left side of balanced regulating plate 9, the bottom and the slider 11 design of second hinge bar 12 are rotating structure, the top and the balanced regulating plate 9 design of second hinge bar 12 are rotating structure, remove about in the spout of seting up on bottom support 1 through electric putter 10's flexible control slider 11, the sliding support of second hinge bar 12 to balanced regulating plate 9 through the mobile control of slider 11, thereby adjust the incline direction at both ends about balanced regulating plate 9, make the device's inclination adjustable, effectual assurance should be when the device is climbing focus stationarity, the climbing security of the device has been improved greatly.

A level sensor 13 is inlaid in a balance adjusting plate 9, the model of the level sensor 13 is GY-521-MPU6050, a pedal 14 is fixedly welded at the left end of the balance adjusting plate 9, telescopic rods 15 are uniformly welded at the upper end of the balance adjusting plate 9, supporting springs 16 are sleeved on the outer sides of the telescopic rods 15, a seat 17 is fixedly installed at the top of the telescopic rods 15, the top ends of the supporting springs 16 are welded at the bottom of the seat 17, the bottom ends of the supporting springs 16 are welded above the balance adjusting plate 9, the seat 17 and the balance adjusting plate 9 are designed to be of an elastic telescopic structure through the supporting springs 16, the distance between the pedal 14 and the seat 17 can be changed by adjusting the height of the seat 17, the device is suitable for users with different body sizes, the application range of the device is greatly improved, and meanwhile, the balance adjusting plate 9 and the seat 17 are, the damping of production when the cooperation telescopic link 15 is flexible, the effectual vibrations transmission that reduces the device has improved the travelling comfort of device greatly.

A rotating sleeve 18 is inserted in the middle of the balance adjusting plate 9, a screw rod 19 is inserted in the middle of the rotating sleeve 18, a hammer gear 20 is meshed on the right side of the rotating sleeve 18, a driving motor 21 is fixedly welded at the right end of the hammer gear 20, the model of the driving motor 21 is 57CM23, the rotating sleeve 18 and the balance adjusting plate 9 are designed to be a rotating structure, a thread is arranged on the inner wall of the rotating sleeve 18, a thread is arranged on the outer wall of the screw rod 19, the screw rod 19 and the rotating sleeve 18 are designed to be a rotary lifting structure through the meshing of the thread, conical teeth are welded on the outer side of the rotating sleeve 18, the size of the hammer teeth is the same as that of teeth on the outer side of the hammer gear 20, the hammer gear 20 and the rotating sleeve 18 are designed to be meshed with the rotating structure, the hammer gear 20 is welded on a rotating output shaft of the driving motor 21, the driving motor 21 is fixed above the balance adjusting plate 9, the hammer gear 20 is, under the meshing effect of tooth, hammer gear 20 drives and rotates cover 18 and rotates, through the rotation that rotates cover 18, the meshing of screw thread between cover 18 and the screw rod 19 is rotated in the cooperation, make screw rod 19 rotate the removal in rotating cover 18 inside, the direction of rotation through control driving motor 21 changes the oscilaltion of screw rod 19, highly adjust seat 17, and is nimble convenient, and simultaneously, because the screw thread has the auto-lock performance, make the device adjust the back firm, the stability can of the device has been improved greatly.

The left end of the seat 17 is fixedly provided with a control box 22, the input end of the control box 22 is electrically connected with the output end of the storage battery 6 through a lead, the output end of the control box 22 is electrically connected with the input ends of the motor driving wheel 7, the electric push rod 10 and the driving motor 21 through leads, the level sensor 13 is electrically connected with the control box 22 through a lead, the control box 22 comprises a motor controller, an integrated switch and a singlechip, wherein the motor controller is TKS-M8, the singlechip is STC89C52, the gravity center deviation signal collected by the level sensor 13 is transmitted to the singlechip in the control box 22, the singlechip processes the gravity center deviation signal and controls the electric push rod 10 to extend and retract, the gravity center position of the device is adjusted, the motor controller in the control box 22 changes the square current of the driving motor 21, changes the rotation direction, and is flexible, convenient and convenient to adjust.

The working principle is as follows: when the device is used, a worker controls the motor driving wheel 7 to start and drive through the control box 22, so that the device advances forwards, when the device is used for climbing, the horizontal sensor 13 embedded in the balance adjusting plate 9 collects the gravity center offset degree of the device, the collected signals are transmitted to the control box 22, the control box 22 processes and analyzes the signals, the electric push rod 10 is controlled to drive, the sliding block 11 is driven by the stretching of the electric push rod 10 to move in the sliding groove formed above the bottom support 1, the position of the second hinge rod 12 is changed by the movement of the sliding block 11, the angle of the balance adjusting plate 9 is controlled to change in an inclined mode, and therefore the gravity center position of the device is always kept in a stable state;

when the height of the seat 17 of the device needs to be adjusted, a user controls the driving motor 21 to be electrified and started by pressing a switch button on the control box 22, the hammer gear 20 welded on a rotating output shaft of the driving motor 21 is driven to rotate by the rotation of the driving motor 21, so that the rotating sleeve 18 rotates, the screw rod 19 moves under the meshing action of threads, the rotating direction of the hammer gear 20 is controlled by the control box 22, the ascending or descending of the screw rod 19 is changed, and the height of the seat 17 is flexibly adjusted;

when the device is climbing, ratchet 5 is attached to the inclined teeth welded on the inner wall of the rotating wheel 3 under the support of the torque spring, when the device normally advances, the ratchet 5 slides along the inclined surfaces of the teeth under the elastic support of the torque spring without influence, the device loses power support when climbing, the ratchet 5 is clamped on the inclined teeth on the inner wall of the rotating wheel 3 under the support of the torque spring, the rotating wheel 3 is locked, and the device is prevented from sliding down and sliding down.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an intelligent seat, includes bottom support (1), battery (6), motor drive wheel (7), electric putter (10), level sensor (13), driving motor (21) and control box (22), its characterized in that: the middle position of the bottom support (1) is fixed with a fixed shaft (2), the front end and the rear end of the fixed shaft (2) are sleeved with rotating wheels (3), a fixed rod (4) is welded at one end of the front side of the fixed shaft (2), the upper end of the fixed rod (4) is hinged with a ratchet wheel (5) through a torsion spring, a storage battery (6) is fixedly mounted at the bottom of the right end of the bottom support (1), a motor driving wheel (7) is fixedly mounted at the right side of the bottom support (1), a first hinge rod (8) is hinged at the left end of the bottom support (1), a balance adjusting plate (9) is hinged at the other end of the first hinge rod (8), an electric push rod (10) is fixedly mounted at the right side of the upper end of the bottom support (1), a sliding block (11) is fixed on a power output shaft of the electric push rod (10), a, the inside of balance adjustment board (9) is inlayed and is had level sensor (13), the left end fixed welding of balance adjustment board (9) has pedal (14), the even welding in upper end of balance adjustment board (9) has telescopic link (15), and the outside of telescopic link (15) all is equipped with supporting spring (16), the top fixed mounting of telescopic link (15) has seat (17), the intermediate position of balance adjustment board (9) is inserted and is equipped with rotation cover (18), and rotates the intermediate position of cover (18) and insert and be equipped with screw rod (19), the right side meshing of rotating cover (18) has hammer gear (20), and the right-hand member welded fastening of hammer gear (20) has driving motor (21), the left end fixed control box (22) of having installed of seat (17).

2. A smart seat as claimed in claim 1, wherein: the inner wall of the rotating wheel (3) is uniformly welded with oblique teeth, the oblique direction of the oblique teeth is inclined rightwards, and the ratchet wheel (5) is designed into an elastic supporting structure through a torsion spring and the fixing rod (4).

3. A smart seat as claimed in claim 1, wherein: the spout has been seted up at the top of bottom support (1), slider (11) are inserted and are established in the spout that bottom support (1) top was seted up, slider (11) are through spout and bottom support (1) design for sliding structure, the bottom and bottom support (1) of first hinge bar (8) design for rotating-structure, the top and balance adjustment board (9) of first hinge bar (8) design for rotating-structure, the top of second hinge bar (12) articulates in the bottom left side of balance adjustment board (9), the bottom and the slider (11) design of second hinge bar (12) are rotating-structure, the top and balance adjustment board (9) of second hinge bar (12) design for rotating-structure.

4. A smart seat as claimed in claim 1, wherein: the top welding of supporting spring (16) is in the bottom of seat (17), the bottom welding of supporting spring (16) is in the top of balanced regulating plate (9), seat (17) are through supporting spring (16) and balanced regulating plate (9) design for elastic telescopic structure.

5. A smart seat as claimed in claim 1, wherein: rotate cover (18) and balance adjustment board (9) design and be the revolution mechanic, set up screw thread on the inner wall of rotation cover (18), set up screw thread on the outer wall of screw rod (19), screw rod (19) are through the meshing of screw thread and rotate cover (18) design for rotatory elevation structure, the outside welding that rotates cover (18) has the toper tooth, and the size of hammer shape tooth is the same with the size of hammer gear (20) outside tooth, hammer gear (20) and rotation cover (18) design are the meshing revolution mechanic, hammer gear (20) welding is on the rotation output shaft of driving motor (21), driving motor (21) are fixed in the top of balance adjustment board (9).

6. A smart seat as claimed in claim 1, wherein: the input of control box (22) passes through the wire and is connected for the electricity with the output design of battery (6), the output of control box (22) passes through the wire and is connected for the electricity with the input design of motor drive wheel (7), electric putter (10) and driving motor (21), level sensor (13) pass through the wire and control box (22) design for electric connection.