KR102024629B1 - A simplified table for wheel chairs - Google Patents

Abstract

The present invention relates to a simple table for a wheelchair, the holder 10 is fixed to the upper portion of each of the vertical members (5) on which the front wheel (2) of the wheelchair frame (1) and the holder (10) of one side A housing 20 as a horizontal support mounted rotatably at an upper end, a screen 40 as a simple table means housed resiliently and retractably accommodated in the housing 20, and rotatable up and down at an upper end of the holder 10 on the other side. The housing 20 so as to support the housing 40 and the screen 40 as a simple table means for supporting the horizontal support 21, the housing 20 and the horizontal support 21 to be kept horizontally in the use position. Comprising a plurality of spaced apart horizontal support portion 30 disposed between the 200 and the horizontal support portion 21, the screen for use as a table is supported by the horizontal support portion at its bottom and is supported by the inclined support member. It can not be each a stable steady pueul water onto the screen in the housing to the supporting structure and a horizontal support portion, and there is an effect that does not give discomfort to a wheelchair structure is simplified to reduce the production cost.

Description

Simple table for wheelchair {A SIMPLIFIED TABLE FOR WHEEL CHAIRS}

The present invention relates to a simple table for a wheelchair, in particular, a support means for supporting a simple table attached to a wheelchair armrest and a housing for accommodating the simple table provide support to the table without inconvenience to use of a wheelchair, thereby improving instability of the table. A wheelchair table.

In general, a wheelchair is used a lot for the convenience of a patient or an elderly person who is uncomfortable, and such a wheelchair is inconvenient because there is no table such as a shelf where a user can eat a simple food or place an item there.

As a remedy for this, Korean Patent Registration No. 10-1247959 (Registration Date March 21, 2013) forms a shaft piece on the bottom of the table plate, combines the storage cloth with the basket stand to form a storage basket, and the basket stand is a table. It is axially coupled to the shaft piece of the plate, and on both sides of the basket stand to form an holder which is opened outward and fitted to the armrest portion of the wheelchair, the basket stand is configured to be variable in size by being coupled to the operation portion in the fixed portion, the wheelchair There is disclosed a wheelchair assistive device that is easy to attach to and receive various items from.

However, the conventional assistive device for wheelchairs is provided with a separate table plate, which is inconvenient to be mounted on the wheelchair, and the structure for detaching the table plate from the armrest part is complicated, thereby increasing the manufacturing cost.

As a remedy for this, Korea Registered Utility Model Publication No. 20-0371893 (registered on December 23, 2004) includes a fastening part to be fitted to one end of an armrest of a wheelchair on one side of the outer side and facing each other on the inner side. Two first support shafts and a second support shaft protruding from each other, and both ends thereof are wound around the first support shaft provided in the inner side of the housing, and the first support shaft and the second support shaft protrude in the longitudinal direction. Both ends of the shelf part are drawn out to the outside of the draw in and out of the housing and the two end supporting shafts provided on the inner side of the housing are wound and the one end is drawn out from the draw in and out of the housing. Spiral spring pinned to the lower end of the shelf portion of the old shelf, and the fixing portion to be engaged with the engaging latch configured to be fitted to the end side of the shelf portion is provided on the outer upper side Fastening the auxiliary housing having the other end is fastened to the arm rest fit front end side of the wheelchair and; And, there is disclosed a removable shelf for wheelchairs, characterized in that the recess is formed on both sides of the armrest front end of the wheel body and each of the fastening groove member is fastened to the fastening portion provided on one end surface of the housing and the auxiliary housing.

However, the above-mentioned detachable shelf of the utility model design is configured to mount the housing on both sides of the armrest front end and to take out the shelf portion wound therein, but the shelf portion is composed of a support member composed of a sheet member and a plurality of pieces of plate material, In order to have a bearing capacity, a housing that winds up a shelf made of relatively thick pieces of slabs is large, which makes the use of armrests uncomfortable or inconveniences when the patient sits on a sheet. There was a problem that the manufacturing cost is high in order to be easily taken out and wound in the housing.

Korea Patent Registration No. 10-1247959 (Registration date March 21, 2013) Korean Utility Model Registration Publication No. 20-0371893 (registered December 23, 2004)

In order to solve the problems of the prior art described above, the other end of the screen as a simple table which can be rolled up and taken out in a housing which is easily mounted on the vertical member on one side of the wheelchair frame and is rotatable to the use position and the use position is vertical. It is to provide a simple table for wheelchairs of the structure that is easily walked on the support member disposed on the member, and wherein the at least one support member supporting the bottom of the screen is mounted to both ends between the housing and the support members.

In order to achieve the above object, the simple table for wheelchairs according to the present invention, a holder fixed to the upper portion of each of the vertical members on which the front wheel of the wheelchair frame is mounted, and horizontally mounted on the upper end of the holder on one side A housing as a support portion, a screen as a simple table means elastically retractable within the housing, a horizontal support portion rotatably mounted up and down at an upper end of the holder on the other side, and supporting the housing and the horizontal support portion to be held horizontally in a use position And a plurality of spaced apart horizontal supports disposed between the housing and the horizontal support to support the screen as a support means and the simple table means at its bottom.

The support means for supporting the housing and the horizontal support portion may be composed of an inclined support member which is mounted on the holder so that the lower end is rotatable upward and the upper end is disposed on the housing and the horizontal support so as to support each of the housing and the horizontal support parts.

The inclined support members are provided with retractable tubular extensions, respectively, to extend the length, and both sides or one side of the inclined support members are extended in the longitudinal direction from the distal end to the lower side and then bent in the circumferential direction. A hole having a cut shape is formed in the extension portion, and the pin may protrude from the side portion corresponding to the hole for fixing the position.

In addition, two horizontal supports are provided between the housing and the horizontal supports to support the screen drawn out of the housing for use as a simple table, one of the horizontal supports being freely rotatable to the housing. The other end may be supported by the support jaw formed on the opposite side horizontal support portion, while the other horizontal support portion may be freely rotatably connected to one end of the horizontal support portion while the other end may be supported by the support jaw formed in the housing on the opposite side.

The housing has a screen wound therein with a torsion spring, the free end of which is provided with a latching rod longer than the screen width, and protrudes outwardly at an interval corresponding to the screen width on the horizontal support so that the screen is held in a pulled out state. It may be configured to secure over the engaging rod to the engaging projection.

The simple table for wheelchairs according to the present invention has a structure for supporting a screen for use as a table at its bottom by horizontal support parts and a structure capable of stably supporting a housing and a horizontal support part by an inclined support member. It can be supported, and the structure is simplified without inconvenient to the wheelchair user has the effect of reducing the manufacturing cost.

1 is a perspective view of a wheelchair equipped with a simple table according to the present invention.
2 is an exploded perspective view of the simplified table of FIG. 1;
FIG. 3 is a perspective view of a state where a horizontal support portion is disposed between the housing and the horizontal support portion so as to support the screen from the bottom in the state in which the simplified table of FIG. 2 is assembled.
Figure 4 is a perspective view showing the arrangement of the housing and the horizontal support of the simple table according to the present invention when not using a simple table.
5 is a cross-sectional view of the housing of the simplified table of FIG.
6 is a cross-sectional view showing a state in which the torsion spring of FIG. 5 is mounted.
Figure 7 is a perspective view of the use table unfolded in a wheelchair in accordance with the present invention.

Hereinafter, with reference to the accompanying drawings showing an embodiment of the present invention will be described in more detail the present invention.

1 to 6, the simple table for wheelchairs according to the present invention is a holder 10 is fixed to the upper portion of each of the vertical members (5) on which the front wheel of the wheelchair frame 1 is mounted, the holder 10 of one side A housing 20 as a horizontal support rotatably mounted at the upper end of the < RTI ID = 0.0 >) < / RTI >

The support means for supporting each of the housing 20 as the wound horizontal support and the horizontal support 21 mounted to be rotatable up and down at the upper end of the holder 10 on the other side is maintained horizontally in use. The support means includes tilted support members 25 and 26 that are rotatably mounted upward from the bottom of the holder 10 to support the housing 20 and the horizontal support portions 21 on both sides. Also provided are at least one, in the illustrated embodiment, two spaced horizontal support 30 for supporting the screen 40 as a simple table means disposed on the housing 20 and the horizontal support 21.

Each holder 10 is fitted into the vertical member 5 of the wheelchair and is integrally fixed, and a groove 13 is formed in the front thereof so that the inclined support members 25 and 26 are not used. Are each accommodated.

The inclined support members 25 and 26 are cylindrical and at their free ends, tubular extensions 27 are releasably arranged, respectively. On the upper end of the inclined support members 25 and 26, holes 28 are formed on both sides or one side to be extended in the longitudinal direction from the distal end and then bent 40 in the circumferential direction. 27, the locking portion 29 protrudes from the side surface corresponding to the hole 28 so that the extension portion 27 moves in the longitudinal direction from the inclined support so that the length of the inclined support is extended.

When the extension portion 27 is pulled out, the locking portion 29 moves a straight portion along the hole 28 of the inclined support members 25 and 26, and then rotates the extension portion so that the pin is bent in the circumferential direction. The extension part 27 is fixed in a state in which the extension part 27 is drawn out from the inclined support parts.

The housing 10 to support the inclined support members (25, 26) on both sides of the holder 10, the housing 20 and the horizontal support (21) at the lower end to support the housing stably when deployed to the use position horizontally on the armrest Bases 22 and 23 are provided on the bottom of the 20 and the horizontal support 21.

The support holes 22 and 23 have triangular sides and grooves are formed on the inner side to form a letter 'A' so that the extension portions 27 of the inclined support members 25 and 26 are drawn out. The inclined ends are disposed at the groove edges inside the support holes 22 and 23 so that the housing and the horizontal support can be stably supported.

One end of the torsion spring 50 is fixed to the housing 20 and the other end is fixed to the rotating shaft 51 so that the rotating shaft returns elastically, that is, the elastic force is applied in the direction of winding the screen 40 therein. One end of the screen 40 is wound on the rotating shaft 51 and the free end thereof is disposed outside the housing 20, and the protrusion 40 is slightly longer than the screen width so as to stop the free end from completely entering the housing. To be formed, a locking rod 41 is provided at the free end of the screen. Thereby, the screen is pulled out by pulling the locking rod 41 provided at the free end of the screen, and then the locking rod 41 is attached to the locking protrusion 24 protruding outwardly at an interval corresponding to the screen width to the horizontal support portion 21. By engaging the screen 40 is not returned into the housing.

Thus, in order to support the screen 40 drawn out for use as a simple table in the housing 20 from the bottom, a plurality of, between the housing 20 and the horizontal support 21, two horizontal in the illustrated embodiment Supports 30 are provided. One of the horizontal support parts 30 is freely rotatably connected to the housing 20 in a ball joint manner, and the other end is supported by the support jaw 32 formed on the opposite side horizontal support part 30, while the other end is supported. The horizontal support 30 of the one end is rotatably connected in a ball joint manner in the horizontal support 21, while the other end is supported by the support jaw 33 formed in the housing 20 on the opposite side. The support jaws 32 and 33 are formed to protrude in a concave shape on the inner surface of the housing and the horizontal support part to support the free ends of the horizontal support part 30.

4 and 7 will be described the use of a simple table provided in a wheelchair according to the present invention.

As shown in FIG. 4, the housing 20 and the horizontal support 21 which accommodate the screen therein are holders provided on the upper portions of the vertical members 5 on which the front wheels 2 of the wheelchair frame 1 are mounted. The upper end is hinged to each of the 10 and the lower end is maintained in a vertical down state. Similarly, the inclined support members 25 and 26 are hinged at both ends of the holders 10 on both sides thereof, and are inserted and stored in the grooves 13 on the front side.

In the use of the simple table in this state, the housing 20 is first placed in a horizontal position, the extension portion 27 is pulled out from the inclined support portion 25, and the end portion of the base 22 is provided on the bottom surface of the housing 20. Arranged and fixed on the inner side, the horizontal support 21 on the opposite side is erected, the corresponding inclined support 26 is erected, the extension 27 is drawn out, and its end is supported by the base 23 of the bottom of the horizontal support 21. ).

Then, corresponding ends formed at the sides of the housing 20 and the horizontal support portion 21 opposite the free ends of the two horizontal support portions 30, one end of which is fixed to the housing 20 and the horizontal support portions 21, respectively. It is fixed on the support jaw (32, 33).

In this state, the screen 40 is pulled out of the housing 20, and the locking rod 41 provided at the end thereof is hooked to the locking protrusion 24 protruding from the horizontal support portion 21 to fix the screen (see FIG. 7). .

Thus, the screen 40 can be stably supported by the horizontal support portion 30 at the bottom even if the bottom is supported by the horizontal support portion 30 to place the object on the screen, using a wheelchair The ease of use of the disabled or the elderly are improved.

The present invention can be used to conveniently form a table in a wheelchair.

1: wheelchair frame 5: vertical member
10 holder 20 housing
21; Horizontal supports 25, 26; Inclined support member
30: horizontal support 40: screen

Claims (5)

A holder 10 fixed to an upper portion of each of the vertical members 5 on which the front wheel 2 of the wheelchair frame 1 is mounted,
A housing 20 as a horizontal support rotatably mounted at an upper end of the holder 10 on one side,
A screen 40 as a simple table means accommodated in the housing 20 to be retractable elastically,
Horizontal support portion 21 is rotatably mounted up and down at the upper end of the holder 10 of the other side,
Support means for supporting the housing 20 and the horizontal support 21 to be maintained horizontally in the use position and
A simplified table for wheelchairs comprising a plurality of spaced apart horizontal support portions (30) disposed between the housing (20) and the horizontal support portion (21) to support the screen (40) as a simple table means on the bottom. The method of claim 1,
The support means for supporting the housing 20 and the horizontal support 21 is mounted on the holder 10 so as to be rotatable upward to support each of the housing 20 and the horizontal support 21. Wheelchair simple table, characterized in that the inclined support members (25, 26) disposed in the horizontal support. The method of claim 2,
The inclined support members 25 and 26 are provided with retractable tubular extensions 27 so as to extend their lengths, and the top end of the inclined support members 25 and 26 extends in the longitudinal direction from the tip to the bottom thereof. Hole 28 is formed on both sides or one side to be bent in the circumferential direction and then be extended to the extension portion 27 to the side portion corresponding to the hole 28 for fixing the position ( 29) wheelchair simple table characterized in that the protrusion. The method of claim 1,
Two horizontal support portions 30 are provided between the housing 20 and the horizontal support portions 21 so as to support the screen 40 drawn out of the housing 20 from the bottom for use as a simple table. One of the horizontal support parts 30 is freely rotatably connected to the housing 20 and the other end is supported by the support jaw 32 formed on the opposite side horizontal support part 30, while the other horizontal support part ( 30 is a simple table for a wheelchair, characterized in that one end is freely connected to the horizontal support portion 21 while the other end is supported by a support jaw 33 formed in the housing 20 on the opposite side. The method of claim 1,
In the housing 20, a screen 40 is wound inside the torsion spring, and a free end of the screen 40 is provided with a catch rod 41 longer than the screen width, and is maintained in the drawn state. A simple table for wheelchairs, characterized in that the locking rods (24) are fixed to the horizontal support portions (21) to protrude outwardly at intervals corresponding to the screen width.

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