KR20210091626A - Portable carrier wheelchair ramp - Google Patents

Abstract

The present invention provides a portable carrier type wheelchair ramp, comprising: a plurality of housings hinge-coupled to each other by a hinge unit on one side in a width direction, and having an unfolding unit insertion groove with a structure of being recessed to a predetermined depth formed on both sides of the longitudinal direction; an unfolding unit inserted inside the housings and selectively extending in the longitudinal direction of the housings; and a plurality of moving units disposed on one side of the longitudinal direction of the housing and moving in contact with the ground, wherein the unfolding unit includes: a parallel unfolding unit having a shape corresponding to the unfolding unit insertion groove, and disposed inside the unfolding unit insertion groove to slide in the longitudinal direction of the housings; and an inclined unfolding unit disposed on the other side of the longitudinal direction of the parallel unfolding unit and being in contact with a plurality of floor surfaces having different phases. An angle between the inclined unfolding unit and the parallel unfolding unit is varied.

Description

Portable carrier wheelchair ramp

The present invention relates to a wheelchair ramp, and more particularly, to a carrier-type wheelchair ramp that is easy to install and detach on stairs by maximizing portability.

In general, a wheelchair for the disabled or a stroller for infants to ride is useful when the wheel is arranged on the lower part, and the disabled or infant who has difficulty walking can move to another space. Wheelchairs that can be moved in a seated state without the occupant standing upright by the wheels that rotate in contact with the ground continue to develop, and robot wheelchairs are being developed as well as for off-road and mountain use.

However, when the ground of different phase values is connected to the stairs during movement, a problem arises that a wheelchair or a stroller cannot enter due to the circular-shaped wheels disposed below. Therefore, in a space with a relatively large space, there are buildings and structures equipped with a separate ramp on the side of the stairs, but in a narrow space where it is difficult to install a ramp, the movement of the occupants of a wheelchair or stroller is restricted.

In order to solve the above problems, Korean Patent Application Laid-Open No. 10-1491070 describes a ramp device to be installed on the stairs. In the above document, the ramp includes a ground panel part and a step panel part, and the stair panel part has a structure extending along the length of the stairway. That is, the user can directly install the ramp on the stair on the stair where the ramp is not installed, thereby overcoming the restriction on movement.

However, the invention described in the above document has a disadvantage in that it is bulky for a user to carry on a daily basis for installation. In addition, as the volume of the invention is made with a large value, the problem of reduced mobility may also be pointed out.

In addition, since the invention described in the above document does not have a configuration for a separate mobile device, a disadvantage that it is not easy to carry may be derived. Due to the nature of the product called a portable ramp, a configuration that provides mobility for users who need the ramp to carry it frequently is essential. That is, if the configuration for securing the mobility of the product is omitted, there is a problem that the technical problem of the invention for portability cannot be completely solved.

Domestic Laid-Open Patent Publication No. 10-1491070 "Simple ramp formation area" (2015.02.02.)

The present invention has been devised to solve the above problems, and ultimately an object of the present invention is to provide a device that maximizes the portability and mobility of a wheelchair ramp temporarily installed on the stairs.

The present invention provides a plurality of housings in which hinges are coupled to each other by a hinge part on one side in the width direction, and in which a deployment part insertion groove of a structure recessed to a predetermined depth is formed on both sides in the longitudinal direction, inserted into the housing, and the longitudinal direction of the housing is formed and a plurality of moving parts disposed on one side in the longitudinal direction of the housing and moving in contact with the ground, wherein the deployment part has a deployment part insertion groove recessed to a predetermined depth on one side in the longitudinal direction. It is disposed inside the expansion part insertion groove, the parallel expansion part sliding along the longitudinal direction of the housing, and disposed on the other side in the longitudinal direction of the parallel expansion part, further comprising an inclined expansion part in contact with a plurality of floor surfaces having different phases, the inclined expansion part It is characterized in that the angle with the parallel development part is variable.

In addition, the hinge portion further comprises a hinge inserting groove recessed to a predetermined depth in a shape corresponding to a hinge and a shape corresponding to the hinge limiting the horizontal and vertical movement of the plurality of housings and giving a degree of freedom for rotation, by the hinge portion When the plurality of housings are deployed, the outer surfaces thereof are deployed in a parallel direction.

In addition, the moving part further includes a wheel rotating in close contact with the ground and a wheel shaft vertically coupled to the rotating shaft of the wheel, and the housing further includes a plurality of moving part insertion grooves having a shape recessed to a predetermined depth on one side in the longitudinal direction. , characterized in that the moving part is disposed inside the moving part insertion groove and slides.

In addition, the inclined development portion further comprises a first inclined development portion hingedly coupled to the other longitudinal side of the parallel development portion and a second inclined development portion hingedly coupled to the other longitudinal side of the first inclined development portion, wherein the first inclined development portion is the The parallel development part is hinged along the width direction, and the second inclined development part is hinged along the width direction of the first inclined development part.

In addition, the parallel development part further includes a first parallel development part that is disposed in the insertion groove of the first development part and slides, and a second parallel expansion part extending in the longitudinal direction from the first expansion part, and the inclined development part is coupled to the other side in the longitudinal direction. characterized in that

In addition, the plurality of housings are disposed on the other side in the longitudinal direction of at least one or more of the housings, and further include a handle sliding along the longitudinal direction of the housing.

In addition, the plurality of housings further include a locking portion disposed on the other side opposite to the one side on which the hinge portion is formed to limit parallel deployment of the plurality of housings.

Due to the present invention, space movement is made by the wheels in close contact with the ground, and it can be relatively easily transported to the stairs where the ramp is installed.

In addition, by preventing the step that may be formed between the present invention and the ground in advance, it is possible to easily enter and leave the ramp of the wheelchair.

1 is an exemplary view showing a carrier-type wheelchair ramp according to an embodiment of the present invention.
2 is an exemplary view illustrating a state in which the wheelchair ramp according to an embodiment of the present invention is deployed.
3 is an exemplary view illustrating a process in which a plurality of housings are deployed according to an embodiment of the present invention.
4 is an enlarged exemplary view of a hinge unit according to an embodiment of the present invention.
5 is an exemplary view showing a first rail and a second rail according to an embodiment of the present invention.
6 is an exemplary view illustrating a coupling portion of a plurality of deployment units according to an embodiment of the present invention.
7 is an exemplary view illustrating a state in which a wheelchair ramp is deployed according to another embodiment of the present invention.
8 is an exemplary view showing a handle according to the present invention.
9 is an exemplary view showing an embodiment of the moving part of the present invention.

The terms or words used in the present specification and claims should not be construed as being limited to their ordinary or dictionary meanings, and the inventor may properly define the concepts of the terms to best describe his invention. Based on the principle, it should be interpreted as meaning and concept consistent with the technical idea of the present invention.

Accordingly, the embodiments described in this specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention and do not represent all of the technical spirit of the present invention, so various equivalents that can be substituted for them at the time of the present application It should be understood that there may be variations and examples.

Hereinafter, prior to the description with reference to the drawings, it is not shown or specifically described for matters not necessary to reveal the gist of the present invention, that is, known configurations that can be added obviously by those skilled in the art. make it clear that you didn't

1 is an exemplary view showing a carrier-type wheelchair ramp according to an embodiment of the present invention. As shown in Figure 1, the present invention is made of a carrier shape when not in use, it is a wheelchair ramp that is easy to store and carry.

In the present invention, a plurality of housings 100 in which a locking part 150 is disposed on one side in the width direction and a handle 140 is disposed on one side in the longitudinal direction, is disposed inside the housing 100 and optionally the housing ( 100 ) may include a deployment part 200 extending in the longitudinal direction and a moving part 300 disposed on the other side in the longitudinal direction of the housing 100 .

The handle 140 is installed inside the housing 100 and may have a structure that slides along the longitudinal direction of the housing 100 . A detailed structure related thereto will be separately described below.

2 is an exemplary view showing a state in which the wheelchair ramp according to an embodiment of the present invention is deployed. As shown in FIG. 2 , the deployment part 200 installed inside the housing 100 and extending in the longitudinal direction may include a parallel deployment part 210 and an inclined deployment part 220 .

In order to realize a structure in which the parallel deployment part 210 is inserted and slid into the housing 100, both sides of the housing 100 in the longitudinal direction are formed with a deployment part insertion groove 120 recessed to a predetermined depth. The parallel development part 210 is manufactured to have a shape corresponding to the expansion part insertion groove 120 , and is slid within the first expansion part insertion groove 120 to selectively extend the length.

The inclined development part 220 may be disposed on the other side in the longitudinal direction of the parallel development part 210 . The inclined development unit 220 is configured to be in contact with a plurality of ground surfaces having a difference in phase values, and is to prevent a step that may occur between the parallel development unit 210 and the ground. That is, the inclined development part 220 is a configuration for solving the problem that the wheelchair wheel is not easy to enter into the deployment part 200 due to the step. The angle of the inclined development part 220 may be varied, and the detailed structure will be separately described below.

In the embodiment illustrated in FIG. 2 , the inclination angle can be minimized as the parallel deployment parts 210 are configured in plurality. When the inclination angle is made to a large value, the occupant or guardian must push the wheel of the wheelchair with a large force in order to reach a high position of the wheelchair. In order to solve the above inconvenience, the parallel development part 210 is formed with a first parallel expansion part 211 extending from the housing 100 and a second parallel expansion part 212 extending from the first parallel expansion part 211 . It may be made of a structure further comprising a. That is, by increasing the length of the deployment part 200, it is possible to realize the minimization of the inclination angle at which the present invention is installed.

3 is an exemplary view illustrating a process in which a plurality of housings are deployed according to an embodiment of the present invention, and FIG. 4 is an enlarged view of a hinge unit according to an embodiment of the present invention. As shown in FIG. 3 , the plurality of housings 100 may have hinges 110 disposed on one side surface in the width direction to be mutually hinged.

As shown in FIG. 4 , the hinge part 110 may include a rotation shaft 111 and a rotation shaft insertion part 112 that is recessed into a curved shape of the rotation shaft 111 when disposed on one side of the housing 100 in the width direction. there is. The rotation shaft insertion part 112 is configured such that, when the plurality of housings 100 are deployed as shown in FIG. 3 , a plurality of surfaces on which the plurality of housings 100 are opposed to each other are deployed in parallel. In other words, as the front surfaces of one side of the plurality of housings 100 in the width direction on which the hinge part 110 are disposed upon deployment are in a structure in contact with each other, the plurality of surfaces in contact with the wheelchair wheel are aligned when deployed can be placed as

5 is an exemplary view illustrating a state in which the deployment part 200 is extended from the housing 100 by a fixing part 213 and is fixed according to an embodiment of the present invention. As shown in FIG. 5 , the fixing part 213 has a shape protruding from both sides of the parallel development part 210 in the width direction, so that the parallel development part 210 is unintentionally inserted into the expansion part insertion groove 120 . prevent the phenomenon.

The fixing part 213 is characterized in that it is coupled to the parallel expansion part 210 through an elastic body 214 inserted into both sides of the parallel expansion part 210 in the width direction as a medium, and the shape of the fixing part 213 is separate. do not limit However, in order to prevent the parallel development part 210 from being unintentionally inserted into the housing 100, the lower surface of the fixing part 213 which is in contact with the housing 100 during deployment is not formed with a curved part. It is preferably made of a non-planar surface.

Therefore, when sealing the plurality of housings 100 again after using the present invention, after compressing the elastic body 214 by applying pressure to the side surface of the fixing part 213, the parallel deployment part 210 is installed in the housing. The (100) side push-in structure can be realized.

6 is an exemplary view illustrating a coupling portion of a plurality of deployment units according to an embodiment of the present invention. As shown in FIG. 6 , the inclined development part 220 is disposed on one side in the longitudinal direction of the parallel development part 210 to prevent a step between the ground and the parallel development part 210 .

If the inclined deployment part 220 is not formed, when the present invention is installed, the edge of one longitudinal side of the parallel deployment part 210 protrudes from the ground, resulting in a problem that it is difficult to pass because the wheelchair wheels are caught. . The inclined development part 220 is a configuration arranged to solve the above problems, and not only prevents the formation of a step between the present invention and the ground, but also forms mutually with the parallel development part 210 depending on the environment in which it is installed angle can be varied.

In order to realize the above structure, the inclined development part 220 is hinged around the parallel development part 210 and the coupling pin 230 . The coupling pin 230 is configured to perform the function of the central axis of rotation of the inclined development unit 220 and simultaneously couple the parallel development unit 210 and the inclined development unit 220 to each other. Accordingly, a plurality of through-holes through which the coupling pin 230 passes is formed in the surface where the parallel development part 210 and the inclined development part 220 are in contact with each other.

In the embodiment shown in FIG. 6 , the inclined development part 220 is divided into a first inclined development part 221 and a second inclined development part 222 . The plurality of inclined development portions 221 and 222 may also be configured to be hinged by the coupling pins 230 , so that the angle formed between the parallel development portions 210 and the ground can be relatively freely adjusted.

7 is an exemplary view illustrating a state in which the wheelchair ramp is deployed according to another embodiment of the present invention, and FIG. 8 is an exemplary view showing the handle 140 according to the present invention. As shown in FIG. 7 , the corner formed between the housing 100 and the parallel deployment part 210 in which the length of the ramp is extended has a chamfered shape, so that when the wheelchair wheel enters the present invention It may have a structure that is easy to move. That is, like the principle included in the present invention, the inclined development unit 220 improves the obstacles that may occur when the wheelchair moves within the present invention, so that the occupant or guardian can easily move the wheelchair.

The handle 140 may be disposed on the other side in the longitudinal direction of any one of the plurality of housings 100 as shown in FIG. 8 . The handle 140 has a structure that slides along the longitudinal direction of the housing 100 , and is raised or lowered according to the user's needs. That is, when the user carries the present invention and moves, the path of the present invention can be easily changed.

9 is an exemplary view showing an embodiment of the moving unit 300 of the present invention. As shown in FIG. 9 , the moving part 300 may be disposed on one side in the longitudinal direction of the housing 100 and may have a structure to slide along the longitudinal direction of the housing 100 . In this case, the moving unit 300 further includes a wheel shaft 310 and a fixing pin 320 including an elastic body protruding in a direction perpendicular to the wheel shaft 310 . The housing 100 is formed with a through hole that communicates with the inside at both sides in the width direction. That is, the fixing pin 320 is inserted into the through hole, and the sliding of the wheel shaft 310 is limited.

A button 330 for applying pressure to the fixing pin 320 is disposed outside the through hole. When the user applies a force to the button 330 , the button 330 subordinately applies pressure to the fixing pin 320 . At this time, the fixing pin 320 includes an elastic body, and the fixing pin 320 is separated from the through hole. That is, by fixing the position of the wheel shaft 310 by the user of the present invention, it is possible to maximize portability or remove elements that interfere with the entry of the wheelchair as necessary.

So far, with respect to the present invention, the preferred embodiment has been looked at.

The embodiments described in this specification and the configurations shown in the drawings relate to one most preferred embodiment of the present invention, and do not represent all of the technical spirit of the present invention, so various equivalents and modifications that can be substituted for them are It should be understood that there may be examples.

Therefore, the present invention is not limited to the presented embodiments, and within the equivalent scope of the technical spirit of the present invention and the technical spirit described in the claims to be described below by those of ordinary skill in the technical field to which the present invention pertains. There may be embodiments in which various modifications and changes are possible.

100: housing
101: first housing 102: second housing
110: hinge
111: rotation shaft 112: rotation shaft insertion part
120: expansion part insertion groove
130: moving part insertion groove
140: handle
141: handle grip portion 142: handle sliding shaft
150: lock
200: development part
210: parallel development
211: first parallel development part 212: second parallel expansion part
220: inclined development part
221: first inclined development part 222: second inclined development part
223: coupling pin
300: moving part
310: wheel axle 320: fixing pin
330: button

Claims (7)

A plurality of housings 100 that are hinged to each other by a hinge part 110 on one side in the width direction, and in which the expansion part insertion groove 120 of a structure recessed to a predetermined depth is formed on both sides in the longitudinal direction;
a deployment part 200 which is inserted into the housing 100 and selectively extends along the longitudinal direction of the housing 100; and
a plurality of moving parts 300 disposed on one side in the longitudinal direction of the housing 100 and moving in contact with the ground;
including,
The deployment unit 200 is
A parallel development part 210 made of a shape corresponding to the expansion part insertion groove 120 , disposed inside the expansion part insertion groove 120 , and sliding along the longitudinal direction of the housing 100 , and
It is disposed on the other side in the longitudinal direction of the parallel development portion 210, further comprising an inclined development portion 220 in contact with a plurality of floor surfaces having different phases,
The inclined development part 220 is
Carrier-type wheelchair ramp for easy portability, characterized in that the angle with the parallel deployment part 210 is variable.
According to claim 1,
The hinge part 110 is
It further includes a hinge 111 that limits horizontal and vertical movement of the plurality of housings 100 and provides a degree of freedom for rotation, and a hinge insertion groove 112 that is recessed to a predetermined depth in a shape corresponding to the hinge 111. So,
When the plurality of housings 100 are deployed by the hinge unit 110 , an easy-to-carry carrier-type wheelchair ramp, characterized in that the outer surfaces are deployed in a parallel direction.
According to claim 1,
The moving unit 300 is
Further comprising a wheel rotating in close contact with the ground and a wheel shaft 310 vertically coupled to the rotating shaft of the wheel,
The housing 100 is
Carrier-type wheelchair that is easy to carry, characterized in that it further comprises a plurality of moving part insertion grooves in a shape recessed by a predetermined depth on one side in the longitudinal direction, wherein the moving part 300 is disposed inside the moving part insertion groove and slid runway.
According to claim 1,
The inclined development part 220 is
A first inclined development portion 221 hingedly coupled to the other longitudinal side of the parallel development portion 210 and a second inclined development portion 222 hingedly coupled to the other longitudinal side of the first inclined development portion 221, further comprising,
The first inclined development part 221 is hinged along the width direction of the parallel development part 210, and the second inclined development part 222 is hinged along the width direction of the first inclined development part 221. Carrier-type wheelchair ramp for easy portability.
According to claim 1,
The parallel development part 210 is
A first parallel development part 211 which is disposed in the expansion part insertion groove 120 and slides, and
Carrier-type wheelchair extending in the longitudinal direction from the first deployment part 211 and further comprising a second parallel deployment part 212 to which the inclined deployment part 220 is coupled to the other side in the longitudinal direction. runway.
According to claim 1,
The plurality of housings 100 are
Carrier-type wheelchair ramp that is disposed on the other side in the longitudinal direction of at least one or more of the housing 100, and further comprises a handle 140 sliding along the longitudinal direction of the housing 100.
According to claim 1,
The plurality of housings 100 are
The hinge portion 110 is disposed on the other side opposite to the one side formed, the carrier-type wheelchair ramp for easy portability further comprising a locking unit 150 for limiting parallel deployment of the plurality of housings (100).

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