CN212522215U

CN212522215U - Wheelchair with rocker transmission synchronizing wheel

Info

Publication number: CN212522215U
Application number: CN202021626755.XU
Authority: CN
Inventors: 段志刚; 黄泽辉; 刘青英
Original assignee: Guangdong Dayang Medical Technology Co ltd
Current assignee: Guangdong Dayang Medical Technology Co ltd
Priority date: 2020-08-07
Filing date: 2020-08-07
Publication date: 2021-02-12
Anticipated expiration: 2030-08-07

Abstract

The utility model relates to a wheelchair technical field especially relates to a be provided with wheelchair of rocker transmission synchronizing wheel, including base, seat and regulating pipe, guiding mechanism is installed to the bottom of base, and the foundation has all been welded to the top both sides of base, and the edge of seat installs the back of the chair, and still installs the connecting piece through the screw on the both ends lateral wall of seat, and the connecting piece is fixed on the regulating pipe, is equipped with fixed pipe in the regulating pipe, and fixed pipe passes through the screw and installs in the foundation, and the inside of fixed pipe is provided with the pipe, and the pipe internal rotation has the drive shaft, and the inside of regulating pipe is equipped with the lead screw, and the top of lead screw is connected with the turning handle, and is fixed through adapter sleeve between. Compared with the prior art, the utility model discloses only need to wave the turning handle of one of them side, can make the height of seat carry out synchronous lift adjustment, both convenient and fast have improved the suitability of this wheelchair again.

Description

Wheelchair with rocker transmission synchronizing wheel

Technical Field

The utility model relates to a wheelchair technical field especially relates to a be provided with wheelchair of rocker transmission synchronizing wheel.

Background

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

When the height of a seat is adjusted, the height of the existing wheelchair can be adjusted by rotating rocking bars on two sides at the same time, and the existing wheelchair is inconvenient to lift, so that a device is urgently needed to solve the problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems in the prior art and providing a wheelchair with a rocker transmission synchronizing wheel.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a wheelchair with rocker transmission synchronizing wheels comprises a base, a seat and an adjusting pipe, wherein a guide mechanism is installed at the bottom of the base, bottom posts are welded on two sides of the top end of the base, the edge of the seat is provided with a seat back, connecting pieces are further installed on the side walls of two ends of the seat through screws and are fixed on the adjusting pipe, a fixing pipe is arranged in the adjusting pipe and is installed in the bottom posts through screws, a guide pipe is arranged in the fixing pipe, a driving shaft rotates in the guide pipe, a lead screw is arranged in the adjusting pipe, a rotating handle is connected to the top end of the lead screw, and the lead screw and the driving shaft are connected and fixed through a connecting sleeve;

install the synchronizing wheel on the bottom of drive shaft, install the hold-in range between the foundation of both sides, two synchronizing wheels respectively fixed mounting just are connected with the hold-in range looks meshing in the inside both sides of hold-in range.

Preferably, the guide mechanism is composed of two groups of main wheels and two groups of auxiliary wheels, wherein the main wheels are directional wheels, and the auxiliary wheels are universal wheels.

Preferably, two groups of pedals are further mounted on the side wall of the base, and the two pedals are respectively arranged adjacent to the two main wheels.

Preferably, the connecting sleeve is arranged inside the adjusting pipe and is fixedly connected with the bottom end of the screw rod.

Preferably, the end of the driving shaft is matched with the connecting sleeve, and the top end of the driving shaft is fixedly inserted into the connecting sleeve.

Preferably, the bottom of the fixed pipe is provided with grooves on the side walls of the two sides, the limiting block is mounted in the grooves through screws, and the two ends of the synchronous belt are also respectively located in the grooves of the two sides.

Preferably, the guide pipe is fixedly arranged in the middle of the inner part of the limiting block, and the driving shaft is arranged in the guide pipe.

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

through setting up the control tube, fixed pipe, pipe and drive shaft, connect the synchronizing wheel in the drive shaft to install the hold-in range between the foundation of both sides, utilize the cooperation of synchronizing wheel and hold-in range, make the patient only need wave the turning handle of one of them side, can make the synchronous lift adjustment of control tube of opposite side, thereby make the regulation work of wheelchair more convenient and fast, more improved the suitability of this wheelchair.

Drawings

FIG. 1 is a schematic three-dimensional exploded view of a wheelchair with a rocker-driven synchronizing wheel according to the present invention;

FIG. 2 is a schematic view of a wheelchair with a rocker-driven synchronizing wheel according to the present invention;

FIG. 3 is a schematic front view, disassembled, of a wheelchair with a rocker-driven synchronizing wheel according to the present invention;

fig. 4 is an enlarged structural diagram of a part a in fig. 1.

In the figure: the device comprises a base 1, a bottom column 11, a seat 2, a seat back 21, a connecting piece 22, an adjusting pipe 3, a fixing pipe 31, a limiting block 311, a guide pipe 32, a driving shaft 33, a rotating handle 4, a synchronizing wheel 5 and a synchronous belt 6.

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.

Referring to fig. 1-4, a wheelchair with a rocker transmission synchronizing wheel comprises a base 1, a seat 2 and an adjusting tube 3, wherein a guide mechanism is installed at the bottom of the base 1, the guide mechanism is composed of two groups of main wheels and two groups of auxiliary wheels, the main wheels are directional wheels, the auxiliary wheels are universal wheels, two groups of pedals are further installed on the side wall of the base 1, the two pedals are respectively arranged adjacent to the two main wheels, a bottom column 11 is welded on both sides of the top end of the base 1, the bottom column 11 is used for installing a fixed tube 31 conveniently, a chair back 21 is installed at the edge of the seat 2, connecting pieces 22 are further installed on the side walls of both ends of the seat 2 through screws, the connecting pieces 22 are fixed on the adjusting tube 3, a fixed tube 31 is arranged in the adjusting tube 3, the fixed tube 31 is installed in the bottom column 11 through screws, a guide tube 32 is arranged in the fixed tube 31, the guide tube 33 can, the adjusting pipe 3 is internally provided with a screw rod, the top end of the screw rod is connected with a rotating handle 4 to drive the screw rod to rotate, so that the connecting sleeve drives the driving shaft 33 to rotate, and the screw rod and the driving shaft 33 are fixedly connected through the connecting sleeve;

further, install synchronizing wheel 5 on the bottom of drive shaft 33, synchronizing wheel 5 is for driving hold-in range 6 and rotate to drive the 5 synchronous rotations of synchronizing wheel of opposite side, install hold-in range 6 between the foundation 11 of both sides, two synchronizing wheels 5 respectively fixed mounting be connected at hold-in range 6's inside both sides and with hold-in range 6 looks meshing.

Wherein, adapter sleeve installs in the inside of adjusting pipe 3, and its bottom with the lead screw is connected fixedly, the tip and the adapter sleeve looks adaptation of drive shaft 33, and the top of drive shaft 33 is fixed to be inserted in the adapter sleeve.

In addition, the bottom end of the fixed pipe 31 is provided with grooves on the side walls of the two sides, the limiting block 311 is arranged in the grooves through screws, the limiting block 311 is used for assisting limiting the driving shaft 33 to prevent the driving shaft from shaking left and right, and the two ends of the synchronous belt 6 are also respectively positioned in the grooves on the two sides; the guide tube 32 is fixedly disposed in the middle of the inside of the stopper 311, and the driving shaft 33 is installed in the guide tube 32.

In this embodiment, the patient sits on the seat 2, two feet step on the pedal, the family members can make the wheelchair go forward or retreat by pushing from the chair back 21, when adjusting the height of the seat 2, the patient rotates the turning handle 4 on one side, the turning handle 4 drives the lead screw to rotate, along with the rotation of the lead screw, the driving shaft 33 is made to rotate therewith, thereby driving the synchronizing wheel 5 on the bottom to rotate, along with the rotation of the turning handle 4, the adjusting pipe 3 on the side slides upwards or downwards along the fixed pipe 31, meanwhile, under the driving of the synchronizing wheel 5, the synchronous belt 6 is driven to rotate, and then the synchronizing wheel 5 on the other side is driven to rotate synchronously, so that the adjusting pipe 3 on the side also slides upwards or downwards along the fixed pipe 31 synchronously, and then the seat 2 can play the effect of lifting adjustment, after being adjusted to a proper height, the turning handle 4 is stopped to rotate.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A wheelchair with a rocker transmission synchronizing wheel comprises a base (1), a seat (2) and an adjusting pipe (3), it is characterized in that the bottom of the base (1) is provided with a guide mechanism, the two sides of the top end of the base (1) are respectively welded with a bottom column (11), the edge of the seat (2) is provided with a seat back (21), and the side walls at the two ends of the seat (2) are also provided with connecting pieces (22) through screws, the connecting pieces (22) are fixed on the adjusting pipe (3), the adjusting pipe (3) is internally provided with a fixed pipe (31), the fixed pipe (31) is arranged in the bottom column (11) through screws, a guide pipe (32) is arranged in the fixing pipe (31), a driving shaft (33) is rotated in the guide pipe (32), a screw rod is arranged in the adjusting pipe (3), the top end of the screw rod is connected with a rotating handle (4), and the screw rod and the driving shaft (33) are connected and fixed through a connecting sleeve;

install synchronizing wheel (5) on the bottom of drive shaft (33), install hold-in range (6) between foundation (11) of both sides, two synchronizing wheel (5) respectively fixed mounting just are connected with hold-in range (6) looks meshing in the inside both sides of hold-in range (6).

2. The wheelchair of claim 1 wherein the guide mechanism comprises two sets of primary wheels and two sets of secondary wheels, the primary wheels being directional wheels and the secondary wheels being universal wheels.

3. Wheelchair with rocker-driven synchronizing wheel according to claim 1, characterized in that two sets of pedals are mounted on the side walls of the base (1), which are respectively arranged adjacent to the two main wheels.

4. Wheelchair provided with a rocker-driven synchronizing wheel according to claim 1, characterized in that the connecting sleeve is mounted inside the adjusting tube (3) and is connected and fixed to the bottom end of the screw.

5. Wheelchair provided with a rocker-driven synchronizing wheel according to claim 1, characterized in that the ends of the drive shaft (33) are adapted to the connecting sleeves, and the top end of the drive shaft (33) is fixedly inserted in the connecting sleeves.

6. The wheelchair provided with the rocker-driven synchronizing wheel as claimed in claim 1, wherein the bottom end of the fixed tube (31) is provided with grooves on the side walls of both sides, the limiting block (311) is mounted in the grooves through screws, and both ends of the synchronous belt (6) are respectively positioned in the grooves on both sides.

7. Wheelchair provided with a rocker-driven synchronizing wheel according to claim 1, characterized in that the duct (32) is fixedly arranged in the middle inside the stopper (311) and the drive shaft (33) is mounted in the duct (32).