KR200277358Y1 - Wheel chair with motor can assembly - Google Patents

Abstract

The present invention relates to a wheelchair, and more particularly, to the removable side of the electric drive having a steering function in front of the wheelchair to be detachably connected to enable the operation of the wheelchair by the electric drive in normal, the user when boarding the vehicle Alternatively, the wheelchair and the electric drive alone can be disassembled and separated from each other, so that the vehicle can be more easily mounted on the wheelchair including the electric drive, and thus the wheelchair having a detachable electric drive that allows for ease of use. As relates to a wheelchair unit (1); A transmission part 2 having a driving wheel 23 driven by the motor 25 and the reduction gear 26 on the lower side of the handle support 22; A connection table 3 for interconnecting the wheelchair unit 1 and the transmission unit 2; It is composed of a wheelchair connecting portion (4) that detachably connects the connecting table (3) and the wheelchair portion (1) is usually possible to drive the wheelchair by the electric drive, and when the vehicle boarded by the user or disabled person alone The electric parts can be disassembled and separated from each other, so that the vehicle can be more easily mounted on the wheelchair including the electric parts, and thus, the convenience of use can be achieved.

Description

Wheelchair with detachable electric drive {Wheel chair with motor can assembly}

The present invention relates to a wheelchair, and more particularly, to the removable side of the electric drive having a steering function in front of the wheelchair to be detachably connected to enable the operation of the wheelchair by the electric drive in normal, the user when boarding the vehicle Alternatively, the wheelchair and the electric drive alone can be disassembled and separated from each other, so that the vehicle can be more easily mounted on the wheelchair including the electric drive, and thus the wheelchair having a detachable electric drive that allows for ease of use. It is about.

As is well known, a wheel chair is a wheeled chair, which is typically used by a patient or a disabled person who is inconvenient to move, and the movement is performed by the user turning the wheel by hand. The wheelchair can be folded to allow the vehicle to be mounted. However, such a conventional wheelchair is configured to be moved by the user turning the wheel by hand as described above, there is a problem that its use is difficult and uncomfortable.

Accordingly, in recent years, the electric wheelchair has been proposed to allow the wheel to be driven by the power without the user directly turning the wheel by hand, but this is composed of an integral type that can not be separated from the wheelchair and the electric drive when boarding the vehicle Not only it is difficult for a user or a disabled person to mount the electric wheelchair on a vehicle alone, but in the case of a small car, the electric wheelchair cannot be mounted, resulting in inconvenience and inconvenience in use.

The present invention has been devised to solve the conventional problems as described above, the purpose is that the electric drive having a steering function on the front side of the normal wheelchair detachably connected so that the wheelchair by the electric drive In order to enable the driving of the vehicle, and the user or the disabled alone when the vehicle is configured to disassemble and separate the wheelchair and the electric drive with each other so that the vehicle mounting of the wheelchair including the electric drive can be made more easily, thereby To make it simple.

And wheelchair portion to achieve the object of the present invention; A transmission unit having a driving wheel driven by a motor and a reducer on a lower side of the handle support; A connecting rod interconnecting the wheelchair unit and the electric motor unit; There is provided a wheelchair having a detachable electric drive, characterized in that consisting of a wheelchair connection portion for detachably connecting the connecting rod and the wheelchair portion.

In addition, the wheelchair connection portion is provided with a fixed body on both sides of the wheelchair connection rod of the wheelchair portion, the fixing body is formed in the direction perpendicular to the insertion groove and the intermediate portion of the insertion groove on the upper surface, the operation groove A hinge shaft is formed, and a pressure lever having a cam protrusion on the hinge shaft is connected by a lever connecting rod, and a supporting rod in a transverse direction is integrally formed at one end of the connecting rod to correspond to an insertion groove of a fixed body at both ends of the supporting rod. Insertion protrusion of the is formed, the upper side of the fixture is characterized in that the cover having a through groove in the front middle portion is coupled to the fixture by the hinge portion.

In addition, the fixing body is divided into an upper fixing body and a lower fixing body is bolted to each other, the semi-circular upper and lower parts of the upper and lower parts of the wheelchair connecting rod is in close contact with the middle portion of the upper fixing body and the lower fixing body. Adhering grooves are characterized in that each formed.

In addition, the connecting rod and the electric drive is characterized in that the removable connection by the electric connection.

In addition, the electric connection portion is formed integrally with the vertical fixing protrusions on the rear side of the transmission portion, the insertion hole formed in the center through the fixing hole is formed in the center to be inserted into the outer side of the fixing protrusions integrally formed at the end side of the connecting portion integrally formed And an annular locking groove is formed in the fixing protrusion, and the wire locking portion inserted into and fixed to the locking groove is always elastically supported to the fixing hole side of the insertion hole with one end fixed to the outside of the insertion hole. do.

In addition, the fixing protrusion is formed of a cone-shaped body of the upper and lower light type having a rounding portion at the upper end, characterized in that the fixing hole of the insertion hole is formed in a shape corresponding to the fixing protrusion.

1 is a side view showing the overall configuration of the present invention.

2 is a perspective view showing a configuration of the transmission unit of the present invention.

Figure 3 is an exploded perspective view showing a wheelchair connection configuration of the present invention.

4 is a cross-sectional view showing the assembled state of FIG.

Figure 5 is an exploded perspective view showing a handle connecting portion of the present invention.

6 is a cross-sectional view showing the assembled state of FIG.

* Explanation of symbols for the main parts of the drawings

1: wheelchair

2: moving parts

21: handle 22: handle support

23: drive wheel 24: rechargeable battery

25: motor 26: reducer

3: connecting rod

4: wheelchair connection

40: fixed body 40A: upper fixed body

40B: Lower fixing body 40C, 40D: Upper and lower contact grooves

40E: Wheelchair connecting rod 41: Insertion groove

42: operating groove 43: hinge shaft

44: pressure lever 44A: cam

44B: Handle 45: Lever connecting rod

46: rotation shaft 47: cover

47A: Through Hole 48: Hinge

49: support rod 49A: insertion protrusion

5: Electric connection

51: Fixed protrusion

511: lower body 512: lower support jaw

513: rounding part 514: locking groove

52: Insertion opening

521: fixed hole 522: wire locking

523: connecting piece 524: wire handle

Hereinafter, with reference to the accompanying drawings will be described in detail the configuration of the present invention according to the embodiment.

1 is a side view of a wheelchair showing the overall configuration of the present invention, the present invention as shown in the present invention is provided with a normal wheelchair portion 1 on the rear side, the front side of the wheelchair portion 1 has a steering function It is provided with a power transmission unit 2 for generating power, and the electric transmission unit 2 and the wheelchair unit 1 are connected to each other by a connecting table (3).

In addition, one side of the connecting table 3 is detachably connected to the wheelchair unit 1 by the wheelchair connection unit 4, and the other side is detachably connected to the electric unit 2 by the electric connection unit 5. At this time, the other side of the connecting table 3 may be formed integrally with the transmission unit (2).

The transmission part 2 is a drive wheel 23 is mounted on the lower side of the handle support 22 having a handle 21 at the upper end, the drive wheel 23 is the front portion of the handle support 22 It is configured to be driven by the power of a motor (not shown) supplied with power from the rechargeable battery 24 mounted to the battery, and the configuration thereof will be described in more detail with reference to FIG. 2.

2 is a perspective view showing the configuration of the transmission unit of the present invention.

As shown therein, the driving unit 23 is mounted on the lower side between the pair of handle supports 22, and the handle 21 is disposed in the transverse direction of the upper end of the handle support 22. Formed. In addition, a front side of the handle support 22 is equipped with a rechargeable battery 24, one side of the driving wheel 23 is provided with a motor 25 to receive power from the rechargeable battery 24, the motor 25 On the lower side, a reduction gear 26 for transmitting the driving force of the motor 25 to the transmission shaft 23A of the driving wheel 23 is mounted.

And the supporting rod 49 is integrally connected to the end side of the rear connecting rod (3) of the handle support 22, the both ends of the support bar 49 by the wheelchair connection (4) wheelchair portion (not shown) ) Is detachably connected.

Figure 3 is an exploded perspective view showing the configuration of the wheelchair connection of the present invention.

As shown therein, the wheelchair connection portion 4 is provided with a block-shaped fixture 40 on both inner wheelchair connection rods 40E of the wheelchair portion (not shown), and is inserted into the upper surface of the fixture 40. The groove 41 is formed so that the insertion protrusion 49A formed at both ends of the support bar 49 of the connecting table 3 in a shape corresponding to the insertion groove 41 can be inserted into the insertion groove 41 from the upper side to the lower side. The upper side of the one side fixing body 40 of the insertion groove 41 is configured such that the cover 47 is opened and closed to the insertion groove 41 by the hinge portion 48.

In addition, as a means for fixing to the insertion protrusion (49A) of the support bar 49 inserted into the insertion groove 41 of the fixing body 40, the front of the middle portion in the direction orthogonal to the insertion groove (41) The operation groove 42 is formed in the vertical direction, and the pressure lever 44 is connected to the hinge shaft 43 of the operation groove 42 by the lever connecting rod 45 at the front side of the operation groove 42 to the hinge. It is provided to be rotated up and down about the axis 43, the through hole 47A is formed in the front middle portion of the cover 47, the lever connecting rod 45 of the pressure lever 44 is the cover ( 47) so that it is not interfered with.

In addition, the lever connecting rod 45 is rotatably connected to the pressure lever 44 by the rotation shaft 46, the pressure lever 44 is a cam protrusion 44A is formed on one side as usual and its As the handle 44B extends to the other side, the lever connecting rod 45 is connected to the cam protrusion 44A by the rotation shaft 46.

On the other hand, the fixing body 40 is configured to be separated into the upper fixing body 40 and the lower fixing body 40, each of the opposite surface of the intermediate portion of the wheelchair connecting rod 40E is fixed in close contact with the upper and lower outer surfaces The semi-circular upper and lower contact grooves 40C and 40D are formed to be coupled to each other by fastening the bolts.

The wheelchair connection portion 4 of the present invention configured as described above, first, the insertion protrusion 49A formed at the end side of the support bar 49 is inserted from the upper side to the lower side in the insertion groove 41 of the fixing body 40, The cover 47 is put on.

Then, as shown in FIG. 4, after pressing the pressure lever 44 around the hinge shaft 43 to the upper side of the cover 47 and holding the handle 44B of the pressure lever 44, the pressure lever is pressed. Insertion of the support bar 49 inserted into the insertion groove 41 of the fixing body 40 by pressing the cover 47 downward while the cam protrusion 44A of the 44 rotates about the rotational shaft 46. The fixing force to the protrusion 49A is to be generated, and the fixing force is released and separated by pulling up the handle 44B of the pressure lever 44.

Figure 5 is an exploded perspective view showing the configuration of the electric connection of the present invention.

As shown therein, the electric connection part 5 has a fixed protrusion 51 formed vertically on the rear side of the electric drive unit 2, and is inserted and coupled to an outer side of the fixing protrusion 51 and is connected to one end of the connection table 3. It is composed of an insertion port 52 formed integrally, and means for locking the insertion port 52 so as not to be separated from the fixing protrusion 51.

The fixing protrusion 51 is formed of a conical body having a rounding portion 513 at the upper end, and the lower support jaw 512 is formed by a lower body 511 having a larger diameter than the fixing protrusion 51. The lower support jaw 512 is configured to support the lower portion of the insertion hole 52 is inserted into the outside of the fixing protrusion (51).

In addition, the insertion hole 52 is formed integrally at the end side of the connecting table 3, the center portion is formed with a fixing hole 521 penetrated up and down, wherein the fixing hole 521 is a conical fixing portion formed It is formed in the shape corresponding to 51, the insertion port 52 is formed to be the same as the diameter of the lower body (511).

And as a means for preventing the insertion port 52 inserted into the outer side of the fixing protrusion 51 is separated from the fixing protrusion 51, the locking groove 514 is formed in the upper side of the fixing protrusion 51 in an annular shape. The upper side of the insertion hole 52 is provided with an elastic wire locking 522 passing through the fixing hole 521 of the insertion hole 52, one end of the wire locking 522 is inserted into the insertion hole (523) by the connecting piece (523) 52 is fixed to the outside, the other end is formed with a wire handle 524 to facilitate hand grip. In addition, the upper and lower lengths of the insertion hole 52 is formed to be the same as the length between the locking groove 514 and the lower support jaw 512 of the fixing protrusion (51).

Electric connection portion 5 of the present invention configured as described above is inserted into the insertion port 52 integrally formed on the end side of the connecting table 3 from the upper side of the fixing protrusion 51 to the lower side, the wire locking formed in the insertion hole 52 522 is in a position deviated from the fixing hole 521 of the insertion opening 52 by the user pulling the wire handle 524 outward so as not to interfere with the insertion.

After the insertion is completed, the wire is secured by releasing the wire handle 524, and the locking is performed by being inserted into the locking groove 514 of the fixing protrusion 51 while the elastic wire locking 522 is returned to the restoring force. Grasp the wire handle 524 and pull outward so that the wire locking 522 is separated from the locking groove 514 of the fixing protrusion 51 so that the locking is released, and then the insertion hole 52 is placed on the upper portion of the fixing protrusion 51. Separation is achieved by pulling out to the side.

As described above, the present invention allows the electric drive unit having a steering function to be detachably connected to the front side of the normal wheelchair so that the wheelchair can be normally driven by the electric drive unit, and the user or the disabled alone can ride the vehicle. By configuring the wheelchair and the electric drive to be disassembled and separated from each other, the vehicle may be more easily mounted on the wheelchair including the electric drive, and thus, the convenience of use may be provided.

Claims (6)

A wheelchair part 1; A transmission part 2 having a driving wheel 23 driven by the motor 25 and the reduction gear 26 on the lower side of the handle support 22; A connection table 3 for interconnecting the wheelchair unit 1 and the transmission unit 2; A wheelchair having a detachable electric drive, characterized in that consisting of a wheelchair connection portion (4) for detachably connecting the connecting table (3) and the wheelchair portion (1). The wheelchair connection part 4 according to claim 1, The fixed body 40 is provided on both inner wheelchair connecting rods 40E of the wheelchair unit 1, and the fixed body 40 is orthogonal to the middle of the insertion groove 41 and the insertion groove 41 on the upper surface. The operating groove 42 is formed in the direction, and the operating shaft 42 has a hinge shaft 43 is formed, the pressing lever 44 having a cam protrusion 44A on the hinge shaft 43 is a lever connecting rod 45 It is connected by), the supporting rod 49 in the transverse direction is integrally formed at one end of the connecting rod 3 of the shape corresponding to the insertion groove 41 of the fixing body 40 at both ends of the supporting rod 49 Insertion protrusion (49A) is formed, and the upper side of the fixing body 40, the cover 47 having a through groove 47A in the front middle portion is coupled to the fixing body 40 by the hinge portion 48 Wheelchair which has the removable part which is characterized by the removable. The method of claim 2, wherein the fixed body 40, The upper fixing body 40A and the lower fixing body 40B are separated and bolted to each other, and each of the upper surfaces of the upper fixing body 40A and the lower fixing body 40B has an upper portion of the wheelchair connecting rod 40E. . A wheelchair having a detachable transmission part, characterized in that the semi-circular upper and lower contact grooves (40C) (40D) formed in close contact with the lower part, respectively. The method of claim 1, The connecting table (3) and the electric drive (2) is a wheelchair having a removable electric drive, characterized in that the removable connection by the electric connection (5). According to claim 4, The electric connection part 5, A vertical fixing protrusion 51 is integrally formed at the rear side of the transmission part 2, and a fixing hole 521 is provided at the center portion of the connecting rod 3 so as to be inserted into the outer side of the fixing protrusion 51. Insertion holes 52 formed to penetrate up and down are integrally formed, and an annular locking groove 514 is formed in the fixing protrusion 51, and a wire locking insert is fixed to the locking groove 514 in the insertion hole 52. Wheelchair having a detachable transmission unit, characterized in that the 522 is always elastically supported toward the fixing hole 521 side of the insertion port 52 in a state where one end is fixed to the outside of the insertion port (52). The method of claim 5, The fixing protrusion 51 is formed of a cone-shaped body having a top and bottom light having a rounding portion 513 at the upper end, and the fixing hole 521 of the insertion hole 52 is formed in a shape corresponding to the fixing protrusion 51. Wheelchair with electric drive which we could put on and take off.