CN218792814U - Small wheel wheelchair - Google Patents
Small wheel wheelchair Download PDFInfo
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- CN218792814U CN218792814U CN202222364528.XU CN202222364528U CN218792814U CN 218792814 U CN218792814 U CN 218792814U CN 202222364528 U CN202222364528 U CN 202222364528U CN 218792814 U CN218792814 U CN 218792814U
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Abstract
The utility model discloses a small wheel wheelchair, which relates to the technical field of wheelchairs and comprises a wheelchair main body, wherein the bottom of the wheelchair main body is provided with a front wheel and a rear wheel which are used for supporting the movement of the wheelchair main body; still install drive arrangement in the wheelchair main part, drive arrangement includes the drive wheel, and the drive wheel rotates and installs in the wheelchair main part, and the drive wheel passes through drive mechanism and is connected with front wheel or rear wheel, and the drive wheel can drive front wheel or rear wheel and rotate, makes the user of sitting on the wheelchair through manual rotation drive wheel, can drive front wheel or rear wheel and rotate to realize independently driving steamboat wheelchair motion, and the utility model discloses still portable.
Description
Technical Field
The utility model relates to the technical field of wheelchairs, in particular to a small wheel wheelchair.
Background
The existing wheelchairs are divided into large-wheel wheelchairs and small-wheel wheelchairs according to the size of wheels, and the two different wheelchairs have different driving modes. Wherein, bull wheel wheelchair is the wheelchair that the steamboat is preceding, bull wheel are at the back usually to be provided with the hand rim on the bull wheel, the user of sitting on the wheelchair can drive the bull wheel through manual rotation hand rim and rotate, thereby drives the wheelchair motion, but bull wheel wheelchair has bulky and the big problem of weight, inconvenient carrying.
Therefore, in order to reduce the size and weight of the wheelchair and reduce the diameter of the rear wheel of the large-wheel wheelchair, wheelchair designers design small-wheel wheelchairs with small wheels for both the front wheel and the rear wheel. However, the small wheel wheelchair has small diameter and is far away from a user sitting on the wheelchair, so that the user cannot manually rotate the small wheel, cannot autonomously drive the wheelchair and needs to push the wheelchair to move by the aid of others; alternatively, the electric device is mounted on the small-wheel wheelchair to drive the small wheels, and the user controls the electric button of the electric device to realize the movement of the wheelchair.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a steamboat wheelchair to solve the problem that above-mentioned prior art exists, make the user independently drive steamboat wheelchair motion, and portable.
In order to achieve the above object, the utility model provides a following scheme:
the utility model provides a small wheel wheelchair, which comprises a wheelchair main body, wherein the bottom of the wheelchair main body is provided with a front wheel and a rear wheel, and the front wheel and the rear wheel are used for supporting the wheelchair main body to move; the wheelchair comprises a wheelchair main body and is characterized in that a driving device is further installed on the wheelchair main body and comprises a driving wheel, the driving wheel is rotatably installed on the wheelchair main body and is connected with a front wheel or a rear wheel through a transmission mechanism, and the driving wheel can drive the front wheel or the rear wheel to rotate.
Preferably, the front wheels are universal wheels, the driving wheels are connected with the rear wheels through the transmission mechanism, the rear wheels are rotatably connected with the rear end of the wheelchair main body through first connecting shafts, and the driving wheels are rotatably connected with the wheelchair main body through second connecting shafts.
Preferably, drive mechanism is synchronous belt drive mechanism, synchronous belt drive mechanism includes first band pulley, second band pulley and hold-in range, first band pulley fixed mounting in on the rear wheel, second band pulley fixed mounting in on the drive wheel, the second band pulley passes through the hold-in range with first band pulley is connected.
Preferably, the diameter of the second pulley is 2 times the diameter of the first pulley.
Preferably, the rear wheel is rotatably connected with one end of the first connecting shaft through a first bearing, the other end of the first connecting shaft is fixedly connected with one side of the wheelchair main body, and the first bearing is sleeved with the first belt wheel;
the driving wheel is rotatably connected with one end of the second connecting shaft through a second bearing, the other end of the second connecting shaft is fixedly connected with one side of the wheelchair main body, and the second belt wheel is sleeved on the second bearing.
Preferably, the number of the rear wheels is two, the two rear wheels are respectively positioned on two sides of the rear end of the wheelchair main body, the number of the front wheels is two, and the two front wheels are respectively positioned on two sides of the front end of the wheelchair main body; each rear wheel is connected with one driving device, and the driving devices and the corresponding rear wheels are positioned on the same side of the wheelchair main body.
Preferably, the first connecting shaft and the second connecting shaft are both in threaded connection with the wheelchair main body.
Preferably, the driving wheel is a hand wheel made of rubber or plastic, and the tire of the front wheel and the tire of the rear wheel are both solid tires uniformly provided with a plurality of round holes.
Preferably, the front wheels and the rear wheels are small wheels; the diameter of the front wheel is 15cm, and the diameter of the rear wheel is 20cm.
The utility model discloses for prior art gain following technological effect:
the utility model provides an install drive arrangement in the wheelchair main part of steamboat wheelchair, drive arrangement includes the drive wheel, and the drive wheel passes through drive mechanism and is connected with front wheel or the rear wheel of steamboat wheelchair, makes the user of sitting on the wheelchair pass through manual rotation drive wheel, can drive front wheel or rear wheel and rotate to realize independently driving steamboat wheelchair motion, and, drive wheel and synchronous belt drive mechanism set up in the side of wheelchair main part, can not excessively increase the volume and the weight of steamboat wheelchair, make the utility model discloses portable has made things convenient for wheelchair user's daily life.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of a driving device provided by the present invention connected to a rear wheel;
fig. 2 is a top view of the driving device provided by the present invention connected to a rear wheel;
in the figure: 1-rear wheel, 2-first connecting shaft, 3-first belt wheel, 4-driving wheel, 5-synchronous belt, 6-second connecting shaft and 7-second belt wheel.
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.
The utility model aims at providing a steamboat wheelchair to solve the problem that prior art exists, make the user independently drive steamboat wheelchair motion, and portable.
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the following detailed description.
As shown in fig. 1-2, the utility model provides a small wheel wheelchair, which comprises a wheelchair main body, wherein the bottom of the wheelchair main body is provided with a front wheel and a rear wheel 1, and the front wheel and the rear wheel 1 are used for supporting the wheelchair main body to move; the wheelchair main body is further provided with a driving device, the driving device comprises a driving wheel 4, the driving wheel 4 is rotatably arranged on the wheelchair main body, the driving wheel 4 is connected with the front wheel or the rear wheel 1 through a transmission mechanism, and the driving wheel 4 can drive the front wheel or the rear wheel 1 to rotate.
In the embodiment, the front wheels are universal wheels which can horizontally rotate for 360 degrees, so that the small wheel wheelchair can conveniently steer; the driving wheel 4 is connected with the rear wheel 1 through a transmission mechanism, the rear wheel 1 is rotationally connected with the rear end of the wheelchair main body through a first connecting shaft 2, and the driving wheel 4 is rotationally connected with the wheelchair main body through a second connecting shaft 6.
Further, drive mechanism is synchronous belt drive mechanism, synchronous belt drive mechanism includes first band pulley 3, second band pulley 7 and hold-in range 5, first band pulley 3 fixed mounting is on rear wheel 1, second band pulley 7 fixed mounting is on drive wheel 4, second band pulley 7 passes through hold-in range 5 and is connected with first band pulley 3, a pot head of hold-in range 5 is established on first band pulley 3, another pot head is established on second band pulley 7, hold-in range 5 can drive first band pulley 3 and second band pulley 7 synchronous rotation.
Further, the diameter of the second belt wheel 7 is 2 times of the diameter of the first belt wheel 3, so that when the driving wheel 4 is rotated, the rotating speed of the rear wheel 1 can be increased; the diameter of the first pulley 3 of the present embodiment is preferably 6cm, and the diameter of the second pulley 7 is preferably 12cm.
In the embodiment, the rear wheel 1 is rotatably connected with one end of a first connecting shaft 2 through a first bearing, the other end of the first connecting shaft 2 is fixedly connected with one side of the wheelchair main body, a first belt wheel 3 is sleeved on the first bearing, and the first belt wheel 3 and the rear wheel 1 can synchronously rotate around one end of the first connecting shaft 2;
the driving wheel 4 is rotatably connected with one end of the second connecting shaft 6 through a second bearing, the other end of the second connecting shaft 6 is fixedly connected with one side of the wheelchair main body, a second belt wheel 7 is sleeved on the second bearing, and the second belt wheel 7 and the driving wheel 4 can rotate synchronously around one end of the second connecting shaft.
In the embodiment, two rear wheels 1 are arranged, the two rear wheels 1 are respectively positioned at two sides of the rear end of the wheelchair main body, two front wheels are arranged, and the two front wheels are respectively positioned at two sides of the front end of the wheelchair main body; each rear wheel 1 is connected with a driving device, the driving devices and the corresponding rear wheels 1 are positioned on the same side of the wheelchair main body, a user can rotate the driving wheels 4 on two sides of the wheelchair main body with two hands to drive the wheelchair to move, the operation is more labor-saving, and the control of the steering of the wheelchair is facilitated.
In the present embodiment, the first connecting shaft 2 and the second connecting shaft 6 are both screwed to the wheelchair main body.
In this embodiment, the driving wheel 4 is a hand wheel made of rubber or plastic, so that the hand wheel is light and convenient for a user to grasp; the tire of the front wheel and the tire of the rear wheel 1 are both solid tires uniformly provided with a plurality of round holes, and are light in weight and good in shock absorption and heat dissipation effects.
In this embodiment, the front wheel and the rear wheel 1 are both small wheels, where the "small wheels" are defined relative to the "large wheels" of the existing large-wheel wheelchair, the large-wheel wheelchair is usually provided with two front small wheels and two rear large wheels, the large wheels are provided with hand wheel rims, a user sitting on the large-wheel wheelchair can drive the wheelchair to move by manually rotating the hand wheel rims, and the two front wheels and the two rear wheels of the small-wheel wheelchair of this embodiment are small wheels, because the size of the small wheels is much smaller than that of the large wheels, the hand of the user sitting on the small-wheel wheelchair is far away from the small wheels at the bottom of the wheelchair, and the small wheels cannot be directly rotated by hand, therefore, the small wheels need to be driven to rotate by means of the driving wheel 4, and thus the small-wheel wheelchair can be driven to move autonomously; the diameter range of the small wheel of the embodiment is preferably 10cm-25cm. Specifically, the diameter of the front wheel of the embodiment is preferably 15cm, the diameter of the rear wheel 1 is preferably 20cm, and the size of the front wheel and the size of the rear wheel can be reduced properly in consideration of the lightweight characteristic of the small-wheel wheelchair without affecting the basic function and the appearance of the small-wheel wheelchair; the diameter of the driving wheel 4 of the present embodiment is the same as the diameter of the rear wheel 1 or slightly larger than the diameter of the rear wheel 1, and can be adjusted according to the convenience of operation and the beauty.
The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (9)
1. A small-wheel wheelchair comprises a wheelchair main body, wherein the bottom of the wheelchair main body is provided with a front wheel and a rear wheel, and the front wheel and the rear wheel are used for supporting the wheelchair main body to move; the method is characterized in that: the wheelchair comprises a wheelchair body and is characterized in that a driving device is further installed on the wheelchair body and comprises a driving wheel, the driving wheel is rotatably installed on the wheelchair body and is connected with a front wheel or a rear wheel through a transmission mechanism, and the driving wheel can drive the front wheel or the rear wheel to rotate.
2. The small wheel wheelchair as claimed in claim 1, wherein: the front wheel is a universal wheel, the driving wheel is connected with the rear wheel through the transmission mechanism, the rear wheel is rotatably connected with the rear end of the wheelchair main body through a first connecting shaft, and the driving wheel is rotatably connected with the wheelchair main body through a second connecting shaft.
3. The small wheel wheelchair as claimed in claim 2, wherein: the transmission mechanism is a synchronous belt transmission mechanism, the synchronous belt transmission mechanism comprises a first belt wheel, a second belt wheel and a synchronous belt, the first belt wheel is fixedly installed on the rear wheel, the second belt wheel is fixedly installed on the driving wheel, and the second belt wheel is connected with the first belt wheel through the synchronous belt.
4. The small wheel wheelchair as claimed in claim 3, wherein: the diameter of the second pulley is 2 times the diameter of the first pulley.
5. The small wheel wheelchair as claimed in claim 3, wherein: the rear wheel is rotatably connected with one end of the first connecting shaft through a first bearing, the other end of the first connecting shaft is fixedly connected with one side of the wheelchair main body, and the first bearing is sleeved with the first belt wheel;
the driving wheel is rotatably connected with one end of the second connecting shaft through a second bearing, the other end of the second connecting shaft is fixedly connected with one side of the wheelchair main body, and the second belt wheel is sleeved on the second bearing.
6. The small wheel wheelchair as claimed in claim 2, wherein: the two rear wheels are respectively positioned on two sides of the rear end of the wheelchair main body, the two front wheels are respectively positioned on two sides of the front end of the wheelchair main body; each rear wheel is connected with one driving device, and the driving devices and the corresponding rear wheels are positioned on the same side of the wheelchair main body.
7. The small wheel wheelchair of claim 2, wherein: the first connecting shaft and the second connecting shaft are both in threaded connection with the wheelchair main body.
8. The small wheel wheelchair as claimed in claim 1, wherein: the driving wheel is a hand wheel made of rubber or plastic, and the tires of the front wheel and the tires of the rear wheel are all solid tires uniformly provided with a plurality of round holes.
9. The small wheel wheelchair as claimed in claim 1, wherein: the front wheels and the rear wheels are small wheels; wherein the diameter of the front wheel is 15cm, and the diameter of the rear wheel is 20cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222364528.XU CN218792814U (en) | 2022-09-06 | 2022-09-06 | Small wheel wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222364528.XU CN218792814U (en) | 2022-09-06 | 2022-09-06 | Small wheel wheelchair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218792814U true CN218792814U (en) | 2023-04-07 |
Family
ID=87278443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222364528.XU Active CN218792814U (en) | 2022-09-06 | 2022-09-06 | Small wheel wheelchair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218792814U (en) |
-
2022
- 2022-09-06 CN CN202222364528.XU patent/CN218792814U/en active Active
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