CN219184594U

CN219184594U - Anti-slip wheelchair

Info

Publication number: CN219184594U
Application number: CN202223017562.6U
Authority: CN
Inventors: 王慧
Original assignee: Danyang Sunco Machinery Co ltd
Current assignee: Danyang Sunco Machinery Co ltd
Priority date: 2022-11-14
Filing date: 2022-11-14
Publication date: 2023-06-16
Anticipated expiration: 2032-11-14

Abstract

The utility model relates to an anti-slide wheelchair, which comprises a seat, wherein two fixing plates are fixed on the lower surface of the seat, rotating rods are rotatably connected inside the two fixing plates through bearings, driving wheels are fixed on the left side and the right side of each rotating rod, and two brackets are fixed on the front surface of the seat. This prevent swift current slope wheelchair is equipped with prevents swift current slope mechanism, prevents that swift current slope mechanism passes through electric putter and operates, drives the carriage release lever and removes, makes extrusion piece extrude the connecting rod, and the connecting rod receives the extrusion and can drive extrusion ring upwards, makes extrusion ring and dwang butt, and then increases dwang pivoted frictional force, can make wheelchair slow removal, avoids swift current slope, when not removing the wheelchair, can make the motor operate, first gear and second gear cooperation, makes the screw rod rotatory drive the lifter insert the spacing inslot portion, and then can prevent swift current slope, compare in traditional wheelchair, can play the effect of preventing swift current slope, thereby can improve the security performance of wheelchair.

Description

Anti-slip wheelchair

Technical Field

The utility model relates to the technical field of intelligent wheelchairs, in particular to an anti-slide wheelchair.

Background

With the development of society and the improvement of human civilization, people, especially disabled people, are increasingly required to use modern high-new technology to improve their quality of life and degree of freedom, and the intelligent wheelchair is a robot wheelchair which has vision and password navigation functions and can interact with people in voice and is developed by the national academy of sciences automation research.

For example, chinese patent (bulletin number: CN 210277526U) discloses an intelligent walking-aid wheelchair, which is slidably assembled and disassembled on a wheelchair body through a walking-aid unit, so that the separation and assembly of the wheelchair body and a walking-aid device can be realized, the intelligent walking-aid wheelchair not only has the riding function of the wheelchair, but also has the rehabilitation walking-aid function, and the intelligent walking-aid wheelchair has the intelligent remote monitoring function, so that a guardian can know the condition of a user in time, the safety of the user in single use is improved, and the intelligent walking-aid wheelchair has good practicability and popularization.

However, the wheelchair has the defect that the wheelchair is inconvenient to prevent sliding, and in the using process, the wheelchair does not have the function of positioning and locking the rollers, and when the wheelchair stays on a ramp, the wheelchair is easy to slide by a fan, so that certain potential safety hazards exist and the use is influenced, and therefore, the wheelchair for preventing sliding is provided.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the anti-sliding wheelchair which has the advantages of convenience in sliding prevention and the like, and solves the problem that the wheelchair is inconvenient to prevent sliding.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an anti-slip wheelchair, includes the seat, the lower surface of seat is fixed with two fixed plates, two the inside of fixed plate is connected with the dwang through the bearing rotation, the left and right sides of dwang all is fixed with the drive wheel, the front of seat is fixed with two supports, the support is kept away from the seat one side and is fixed with the auxiliary wheel, is equipped with anti-slip mechanism on two fixed plates;

the anti-slip slope mechanism comprises a box body fixed with the lower surfaces of two fixing plates, electric push rods are fixed on the left side and the right side of an inner cavity of the box body, moving rods are fixed at the output ends of the electric push rods, extrusion blocks are fixed on the opposite sides of the moving rods, sliding blocks are fixed on the lower surfaces of the moving rods, two springs are fixed on the upper surfaces of the inner cavity of the box body, a connecting plate is fixed on the lower surfaces of the springs, a connecting rod penetrating through the upper surface of the box body is fixed inside the connecting plate, extrusion rings are fixed on the upper surfaces of the connecting rod, fixing rods are fixedly arranged on the two ends of the connecting plate and are respectively perpendicular to the inner walls of the upper side and the lower side of the box body, and locking assemblies are arranged on the box body.

Further, the locking assembly comprises a motor fixed with the lower surface of the inner cavity of the box body, a first gear is fixed at the output end of the motor, a second gear is meshed with the left side of the first gear, the lower surface of the second gear is rotatably connected with the lower surface of the box body through a bearing seat, and a lifting rod penetrating through the upper surface of the box body is fixed on the outer surface of the screw.

Further, the slider is T shape, two spouts have been seted up to the lower surface of box inner chamber, and spout and the surface sliding connection of slider, the connecting rod is located the inside of spring.

Further, the extrusion piece is hemispherical, two one sides of the lower surfaces of the connecting rods, which are opposite, are inclined planes, the inclined planes are matched with the extrusion piece, the extrusion piece is semi-annular, and damping pads are fixed on the inner wall of the extrusion piece.

Further, two through holes are formed in the upper surface of the box body, the through holes are connected with the outer surface of the connecting rod in a sliding mode, round holes are formed in the upper surface of the connecting plate, and the round holes are connected with the outer surface of the fixing rod in a sliding mode.

Further, the lifting rod is a square rod, a square hole is formed in the upper surface of the box body, and the square hole is in sliding connection with the outer surface of the lifting rod.

Further, the thread groove has been seted up to the lower surface of lifter, and thread groove and the surface threaded connection of screw rod, a plurality of spacing grooves have been seted up to the surface of dwang, and spacing groove and lifter looks adaptation.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

this prevent swift current slope wheelchair is equipped with prevents swift current slope mechanism, prevents that swift current slope mechanism passes through electric putter and operates, drives the carriage release lever and removes, makes extrusion piece extrude the connecting rod, and the connecting rod receives the extrusion and can drive extrusion ring upwards, makes extrusion ring and dwang butt, and then increases dwang pivoted frictional force, can make wheelchair slow removal, avoids swift current slope, when not removing the wheelchair, can make the motor operate, first gear and second gear cooperation, makes the screw rod rotatory drive the lifter insert the spacing inslot portion, and then can prevent swift current slope, compare in traditional wheelchair, can play the effect of preventing swift current slope, thereby can improve the security performance of wheelchair.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the anti-slip mechanism of the present utility model;

FIG. 3 is a schematic side view of the extrusion ring of the present utility model.

In the figure: 1 seat, 2 fixed plates, 3 rotating rods, 4 driving wheels, 5 brackets, 6 auxiliary wheels, 7 anti-slip mechanisms, 701 box bodies, 702 electric push rods, 703 moving rods, 704 extrusion blocks, 705 sliding blocks, 706 springs, 707 connecting plates, 708 connecting rods, 709 extrusion rings, 710 fixed rods, 711 motors, 712 first gears, 713 second gears, 714 screws and 715 lifting rods.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, an anti-slip wheelchair in this embodiment includes a seat 1, two fixing plates 2 are fixed on the lower surface of the seat 1, a rotating rod 3 is rotatably connected to the inside of the two fixing plates 2 through bearings, driving wheels 4 are fixed on the left and right sides of the rotating rod 3, two brackets 5 are fixed on the front surface of the seat 1, an auxiliary wheel 6 is fixed on one side of the bracket 5 away from the seat 1, an anti-slip mechanism 7 is arranged on the two fixing plates 2, and when the anti-slip wheelchair is used, the anti-slip mechanism 7 can be improved to limit or increase friction on the rotating rod 3, so that the driving wheels 4 stop moving or slowly move, and further anti-slip can be performed on the wheelchair.

Referring to fig. 1-3, in order to prevent a wheelchair from sliding, the anti-sliding mechanism 7 in this embodiment includes a case 701 fixed to the lower surfaces of two fixing plates 2, electric push rods 702 are fixed to the left and right sides of the inner cavity of the case 701, the electric push rods 702 are operated to drive, the output ends of the electric push rods 702 are fixed with moving rods 703, the electric push rods 702 are operated to drive the moving rods 703 to move, pressing blocks 704 are fixed to opposite sides of the two moving rods 703, the moving rods 703 move to drive the pressing blocks 704 to move, sliding blocks 705 are fixed to the lower surfaces of the moving rods 703 to support the moving rods 703, and limit the moving rods 703 when the moving rods 703 move, so that the moving rods 703 move more stably, the sliding blocks 705 are in a T shape, two springs 706 are fixed to the upper surface of the inner cavity of the case 701, the spring 706 can drive to reset, the connecting plate 707 is fixed on the lower surface of the spring 706, the connecting plate 707 can compress the spring 706, the connecting rod 708 penetrating through the upper surface of the box 701 is fixed in the connecting plate 707, the extrusion block 704 can extrude the connecting rod 708 to extrude the connecting rod 708 upwards, the connecting rod 708 is positioned in the spring 706, the extrusion ring 709 is fixed on the upper surface of the connecting rod 708, the connecting rod 708 can drive the extrusion ring 709 to move, the fixing rod 710 with two ends respectively vertically fixed with the inner walls of the upper side and the lower side of the box 701 is slidingly connected in the connecting plate 707, the fixing rod 710 can limit the connecting plate 707 when the connecting plate 707 moves, the box 701 is provided with a locking assembly, the locking assembly comprises a motor 711 fixed with the lower surface of the inner cavity of the box 701, the motor 711 can operate and can drive, the output end of the motor 711 is fixed with a first gear 712, the motor 711 operates to drive the first gear 712 to rotate, the second gear 713 is meshed with the left side of the first gear 712, the first gear 712 rotates to drive the second gear 713 to rotate, the lower surface of the second gear 713 rotates to be connected with the lower surface of the box 701 through the bearing seat, the second gear 713 rotates to drive the screw 714 to rotate, the outer surface of the screw 714 is fixedly provided with a lifting rod 715 penetrating through the upper surface of the box 701, the screw 714 rotates to drive the lifting rod 715 to lift, and the lifting rod 715 is a square rod.

Wherein, two spouts have been seted up to the lower surface of box 701 inner chamber, and the surface sliding connection of spout and slider 705, and slider 705 cooperates with the spout, can carry out spacingly to movable rod 703, avoids movable rod 703 to rock, makes the more stable of movable rod 703 removal, and extrusion piece 704 is hemispherical, and one side that two connecting rods 708 lower surfaces are the inclined plane on the back mutually, and inclined plane and extrusion piece 704 looks adaptation, can be when extrusion piece 704 extrudees connecting rod 708, is convenient for drive connecting rod 708 and rises.

Meanwhile, the extrusion ring 709 is semi-annular, the damping pad is fixed on the inner wall of the extrusion ring 709 and is abutted to the rotating rod 3, the friction force of the rotating rod 3 can be enhanced, the rotating rod 3 can move slowly, two through holes are formed in the upper surface of the box 701 and are in sliding connection with the outer surface of the connecting rod 708, the connecting rod 708 is matched with the through holes, the connecting rod 708 can move conveniently, a round hole is formed in the upper surface of the connecting plate 707, the round hole is in sliding connection with the outer surface of the fixing rod 710, the fixing rod 710 is matched with the round hole, the connecting plate 707 can be limited, the connecting plate 707 is prevented from shaking, and the connecting plate 707 only moves in a lifting mode.

In addition, square holes are formed in the upper surface of the box 701, the square holes are slidably connected with the outer surface of the lifting rod 715, the lifting rod 715 is matched with the square holes, the lifting rod 715 can be limited, the lifting rod 715 is prevented from rotating along with the screw 714, the lifting rod 715 is enabled to only lift, a thread groove is formed in the lower surface of the lifting rod 715, the thread groove is in threaded connection with the outer surface of the screw 714, the lifting rod 715 can be driven to lift when the screw 714 rotates, a plurality of limiting grooves are formed in the outer surface of the rotating rod 3, the limiting grooves are matched with the lifting rod 715, the lifting rod 715 is matched with the limiting grooves, the rotating rod 3 can be limited, and the rotating rod 3 is prevented from rotating.

In this embodiment, the electric push rod 702 is used to make the extrusion block 704 extrude the connecting rod 708, so that the extrusion block 709 abuts against the rotating rod 3, the friction force of the rotating rod 3 is increased, the sliding slope is avoided, the motor 711 can be made to operate when the wheelchair is not moved, and the screw 714 rotates to drive the lifting rod 715 to be inserted into the limiting groove, so that the sliding slope is prevented.

The working principle of the embodiment is as follows:

through the operation of the electric push rod 702, the electric push rod 702 can drive the moving rod 703 to move, the sliding block 705 is matched with the sliding groove on the box 701, the moving rod 703 can be limited, the moving rod 703 is prevented from shaking, the moving rod 703 can move more stably, the extrusion block 704 can be driven to move, the extrusion block 704 can extrude the connecting rod 708, the connecting rod 708 can be extruded to move upwards, the connecting rod 708 can drive the connecting plate 707 and the extrusion ring 709 to move upwards, a damping pad on the extrusion ring 709 is abutted with the rotating rod 3, further the friction force of the rotating rod 3 is increased, the wheelchair can be slowly moved, the sliding slope is avoided, the motor 711 can be operated, the motor 711 can drive the first gear 712 to rotate, the first gear 712 can drive the second gear 713 to rotate, the second gear 713 can drive the screw 714 to rotate, the screw 714 can drive the lifting rod to lift, the lifting rod 715 can be inserted into the limiting groove on the rotating rod 3, and further the sliding slope can be prevented.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an anti-slide wheelchair, includes seat (1), its characterized in that: the seat is characterized in that two fixing plates (2) are fixed on the lower surface of the seat (1), a rotating rod (3) is rotatably connected to the inside of each fixing plate (2) through a bearing, driving wheels (4) are fixed on the left side and the right side of each rotating rod (3), two brackets (5) are fixed on the front surface of the seat (1), an auxiliary wheel (6) is fixed on one side, far away from the seat (1), of each bracket (5), and an anti-slip mechanism (7) is arranged on each fixing plate (2);

the anti-slip mechanism (7) comprises a box body (701) fixed with the lower surfaces of two fixing plates (2), electric push rods (702) are fixed on the left side and the right side of the inner cavity of the box body (701), moving rods (703) are fixed at the output ends of the electric push rods (702), extrusion blocks (704) are fixed on two opposite sides of the moving rods (703), sliding blocks (705) are fixed on the lower surfaces of the moving rods (703), two springs (706) are fixed on the upper surfaces of the inner cavities of the box body (701), connecting plates (707) are fixed on the lower surfaces of the springs (706), connecting rods (708) penetrating through the upper surfaces of the box body (701) are fixed on the inner surfaces of the connecting rods (708), and extrusion rings (709) are fixed on the upper surfaces of the connecting rods (708), and fixing rods (710) with two ends fixed on the inner walls of the upper side and the lower side of the box body (701) vertically are connected in a sliding mode, and locking assemblies are arranged on the box body (701).

2. The anti-slide wheelchair of claim 1, wherein: the locking assembly comprises a motor (711) fixed with the lower surface of an inner cavity of the box body (701), a first gear (712) is fixed at the output end of the motor (711), a second gear (713) is meshed with the left side of the first gear (712), a screw (714) rotatably connected with the lower surface of the box body (701) is arranged on the lower surface of the second gear (713) through a bearing seat, and a lifting rod (715) penetrating through the upper surface of the box body (701) is fixed on the outer surface of the screw (714).

3. The anti-slide wheelchair of claim 1, wherein: the sliding block (705) is T-shaped, two sliding grooves are formed in the lower surface of the inner cavity of the box body (701), the sliding grooves are connected with the outer surface of the sliding block (705) in a sliding mode, and the connecting rod (708) is located in the spring (706).

4. The anti-slide wheelchair of claim 1, wherein: the extrusion block (704) is hemispherical, one sides of the lower surfaces of the two connecting rods (708) are inclined planes, the inclined planes are matched with the extrusion block (704), the extrusion ring (709) is semi-annular, and a damping pad is fixed on the inner wall of the extrusion ring (709).

5. The anti-slide wheelchair of claim 1, wherein: two through holes are formed in the upper surface of the box body (701), the through holes are connected with the outer surface of the connecting rod (708) in a sliding mode, round holes are formed in the upper surface of the connecting plate (707), and the round holes are connected with the outer surface of the fixing rod (710) in a sliding mode.

6. The anti-slide wheelchair of claim 2, wherein: the lifting rod (715) is a square rod, a square hole is formed in the upper surface of the box body (701), and the square hole is slidably connected with the outer surface of the lifting rod (715).

7. The anti-slide wheelchair of claim 2, wherein: the lower surface of lifter (715) has seted up the screw thread groove, and screw thread groove and the surface threaded connection of screw rod (714), a plurality of spacing grooves have been seted up to the surface of dwang (3), and spacing groove and lifter (715) looks adaptation.