KR20210158143A - A walk-assistive apparatus for the elderly - Google Patents

Abstract

The present invention provides a walk-assistive apparatus for the elderly that comprises first and second leg members, first and second supporting members, and first and second holding members. They can be foldable and expandable. The assistive apparatus can assist the walk of the elderly while stably supporting the load of the elderly when it is unfolded. The assistive apparatus can be easily folded to reduce its volume and make the most of a storage space when it is stored.

Description

A walk-assistive apparatus for the elderly

The present invention relates to a walking assisting device for the elderly, and more particularly, in an unfolded state, it assists the elderly in walking while stably supporting the load of the elderly and incapable of reducing the volume when stored. It relates to a walking aid for the elderly.

In general, a walking aid is used as an auxiliary device when a patient, the elderly, and the handicapped with a leg or body are walking, and such a walking aid is to support the body and move it when moving to another place or for a light walking exercise.

As a representative prior art related to such a walking assistance device for the elderly, the Republic of Korea Intellectual Property Office Registration Patent Publication No. 10-1654843 (hereinafter referred to as prior art) may be exemplified.

In the prior art, a lower frame on which wheels for driving are mounted, a pair of upper frames formed to be adjustable in height and mounted on the left and right sides of the lower frame, respectively, and the upper frame so as to be able to rely on the weight of the user. The lower arm cradle is mounted, a pair of mounting members installed at the upper end of the upper frame to perform a handle function and the lower arm cradle is integrally configured, and a braking member installed in the lower frame to prevent the wheel from rotating. It includes a brake lever installed on the holding member to make it work, and a circular rotating hanger through which the holding member is inserted is formed on one side of the lower surface of the lower arm holder, and the mounting member is inserted into the other side of the bottom, but it is not shaken from side to side and can be separated The main point is that an open hanger is formed in the form of a partition to prevent it and the lower part is not blocked, so that the lower arm holder can rotate around the circular rotary hanger.

However, the prior art has the disadvantage of receiving a lot of space restrictions during storage due to the volume of structures such as a cradle and a frame when using an auxiliary device.

Document 1: Korean Intellectual Property Office Registered Patent Publication No. 10-1654843

Therefore, an object of the present invention for solving the above problems is to configure the auxiliary device so that it can be unfolded and folded, and the auxiliary device is stably supported in a state of supporting the load of the elderly person in the unfolded state to assist the elderly in walking, In addition, it is to provide a walking assistance device for the elderly and infirm so that the auxiliary device can be easily folded to reduce the volume during storage.

The present invention for achieving the above object is the first and second support members for supporting the arms of the elderly, the first and second leg members installed on the lower surface of the first and second support members, one end of the first leg member In the walking assisting device for the elderly comprising a first support member coupled to, a second support member having one end coupled to the second leg member, and a hinge member for folding the first and second support members to each other, the hinge member is a first hinge plate screwed to the first support member, a second hinge plate screwed to the second support member, a first hinge tube integrally formed in the center of one side of the first hinge plate, and the second hinge The second phase, the lower hinge tube, the first hinge tube and the second phase formed on the upper and lower sides of the plate and having a space for the first hinge tube to be inserted in the center, passing through the second phase and the lower hinge tube A bolt shaft, a pressure tube having one end inserted into the second upper hinge tube, contacting the upper surface of the first hinge tube and having a hole through which the bolt shaft passes therein, is located at the upper end of the pressure tube, A press lever that is screwed to the bolt shaft and moves up and down on the bolt shaft to press the pressure, teeth formed in a concave-convex shape along the lower outer surface of the first hinge tube, and the second lower hinge A protrusion formed on the upper outer surface of the tube and selectively engaged with the teeth of the first hinge tube according to the pressure of the pressure tube, and a plate fitted to the lower end of the first hinge tube and elastically supporting the first hinge tube It is characterized in that it is composed of a rocker member composed of a spring.

It is preferable that a hinge member having the same configuration as the hinge member is installed between the first and second support members to connect the first and second support members in a foldable manner.

First and second guide frames are installed at the ends of the first and second support members, and the first and second guide frames are respectively inserted into the first and second leg members, and the lower ends of the first and second guide frames It is preferable that the guide protrusions protrude while being elastically supported by the spring, and guide holes through which the guide protrusions are fitted are formed through the first and second leg members, respectively.

The present invention configures the first and second leg members, the first and second supporting members and the first and second support members constituting the auxiliary device to be foldable and unfoldable, so that the load of the elderly and the weak can be stably reduced when the auxiliary device is unfolded. It supports the walking of the elderly in a supported state, and also has the effect of making the most of the space during storage by reducing the volume by simply folding the auxiliary device during storage.

1 is a view showing the overall configuration of the walking assistance device for the elderly of the present invention.
Figure 2 is a view showing the front of Figure 1;
3 is a view showing a folded state of the walking assistance device for the elderly.
Fig. 4 is a front view of Fig. 3;
FIG. 5 is a three-dimensional view of a hinge member connecting the first and second support members in FIG. 1; FIG.
Fig. 6 is a cross-sectional view of Fig. 5;
Fig. 7 is an operation state diagram of Fig. 5;
Fig. 8 is a plan sectional view of Fig. 7;

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. In the detailed description to be described later, in order to achieve the above-described technical problem, two embodiments of the present invention will be presented representatively. And other embodiments that can be presented as the present invention is replaced by the description in the configuration of the present invention.

1 is a view showing the overall configuration of the walking assistance device for the elderly of the present invention, Figure 2 is a view showing the front of FIG. 3 is a view showing a folded state of the walking assistance device for the elderly, FIG. 4 is a front view of FIG. 3, and FIG. 5 is a three-dimensional view of the hinge member connecting the first and second support members in FIG. FIG. 6 is a cross-sectional view of FIG. 5 , FIG. 7 is an operation state diagram of FIG. 5 , and FIG. 8 is a view showing an extract of the locking member installed on the first and second support members.

As shown in Figures 1 to 8, the walking assistance device for the elderly of the present invention is largely the first and second leg members (10, 12), the first and second support members (30, 32) and the first, Two supporting members (80, 82) constitute an external shape.

The first and second leg members 10 and 12 are installed on the lower surfaces of the first and second supporting members 80 and 82, respectively, and the first and second supporting members 80 and 82 are spaced apart from the ground by a predetermined distance. It is a member that supports the state.

An X-link 20 is installed between the first and second leg members 10 and 12 . The X-link 20 is a state in which the first and second links 22 and 24 are crossed with each other, and hinge pins 26 are installed at the intersections of the first and second links 22 and 24 to form the first and second links. Guides the inner folding and outer unfolding of the leg members (10, 12).

One end of the first link 22 is fixed to the first leg member 10 with a bracket, and the other end is connected to the second leg member 12 by a guide to move up and down.

One end of the second link 24 is fixed to the second leg member 12 by a bracket, and the other end is connected to the first leg member 10 by a guide to move up and down.

Through the first and second links 22 and 24, the first and second leg members 10 and 12 stably perform inner folding and outer unfolding operations.

A support member is installed between the first and second leg members 10 and 12 to support the first and second leg members 10 and 12 while maintaining a distance therebetween.

The support member is divided into first and second support members 30 and 32 with a hinge member 40 interposed therebetween.

The first and second support members 30 and 32 perform folding or unfolding operations with the hinge member 40 as the center, and fold or unfold the first and second leg members 10 and 12 of the auxiliary device. Folding and unfolding operations are performed together with the first and second leg members 10 and 12 without interfering.

A first guide frame 110 is installed at an end of the first support member 30 , and the first guide frame 110 is inserted into the first leg member 10 . At this time, the guide protrusion 120 protrudes from the lower end of the first guide frame 110 while being elastically supported by the spring 130 , and the guide protrusion 120 is inserted into the first leg member 10 . By penetrating the long hole 140 , the guide projection 120 moves along the guide hole 140 during the folding and unfolding operations of the first support member 30 , and the operation of the first support member 30 is Guidance to ensure stable performance.

A second guide frame 112 is installed at an end of the second support member 32 , and the second guide frame 112 is inserted into the second leg member 12 . At this time, the guide protrusion 122 protrudes from the lower end of the second guide frame 112 while being elastically supported by the spring 132 , and the guide protrusion 122 is inserted into the second leg member 12 . By penetrating the long hole 142, the guide protrusion 122 moves along the guide hole 142 during the folding and unfolding operation of the second support member 32, and the operation of the second support member 32 is Guidance to ensure stable performance.

The hinge member 40 performs a hinge function so that the first and second support members 30 and 32 can be folded or unfolded to each other, and a locker means for maintaining an unfolded state so as not to be unintentionally folded in an unfolded state is included. is installed

The hinge member 40 includes a first hinge plate 42 screwed to the first support member 30 , a second hinge plate 46 screwed to the second support member 32 , and the first hinge The first hinge tube 44 integrally formed in the center of one side of the plate 42, the second hinge plate 46 is formed at the upper and lower ends of one side, and the center is a space for the first hinge tube 44 to be inserted The second phase and lower hinge tubes 48 and 50 provided with 52 are composed of the first hinge tube 44 and the bolt shaft 58 passing through the second phase and lower hinge tubes 48 and 50. Accordingly, during the folding operation of the first and second support members 30 and 32, the folding or unfolding operation is performed with the bolt shaft 58 of the hinge member 40 as the center.

A locker means is further installed on the hinge member 40 . The locker means is in contact with the upper surface of the first hinge tube with one end inserted into the second upper hinge tube 48, and a hole 62 through which the bolt shaft 58 passes is formed therein. The tube 60, located at the upper end of the pressure tube 60, is screw-coupled to the bolt shaft 58, and moves up and down on the bolt shaft 58 to press the pressure tube 60 a pressing lever 64, the teeth 54 formed in a concave-convex shape along the lower outer surface of the first hinge tube 44, are fitted to the lower end of the first hinge tube 44, and the first hinge tube ( 44) and a protrusion 56 that is formed to protrude from the upper outer surface of the second lower hinge tube 50 and is selectively engaged with the teeth 54.

The locker means is provided with the first and second support members 42 and 46 so that the first and second support members 44 and 46 in a state unfolded around the hinge member 40 are not easily folded by an unintentional external impact. keep unfolded.

That is, when the pressing lever 64 is rotated by hand, the pressing lever descends on the screw thread of the bolt shaft and presses the pressing tube 60 to press the first hinge tube 44 , and the first hinge tube 44 The teeth 54 formed on the lower outer surface are engaged with the protrusions 56 formed on the upper outer surface of the second lower hinge tube 50 in the process of pressing the upper surface of the second lower hinge tube 50 . As a result, the first hinge tube 44 and the second lower hinge tube 50 are pressed and fixed to each other, so that the first hinge plate 42 connected to the first hinge tube 44 and the second lower portion The first and second support members 30 and 32 screwed to the second hinge plate 46 connected to the hinge tube 50, respectively, are not easily folded in an unfolded state and can maintain a fixed state, and the first , The first and second leg members 10 and 12 supported by the second support members 30 and 32 may maintain an unfolded state while being spaced apart from each other by a predetermined distance.

And when the pressing lever 64 is turned in the opposite direction, the pressure of the pressure tube 60 is released, and the elastic force of the leaf spring 55 acts on the first hinge tube 44 and the second lower hinge tube 50, By releasing the engagement between the teeth 54 and the protrusion 56, the folding operation of the first and second support members 30 and 32 is made possible, and through this, the first and second leg members 10 and 12 can also be folded. becomes

A lock plate 70 is coupled with a pin 72 to the first support member 30 as shown in FIG. 8 , and a fastening groove 74 of the lock plate 70 is hooked to the second support member 32 . A locking protrusion 76 for holding is further formed. By hooking the fastening groove 74 of the locking plate 70 to the locking protrusion 76, the first and second support members 30 and 32 are in an unfolded state to prevent an unintentional folding accident in advance. can

The first and second support members 80 and 82 are installed on the first and second leg members 10 and 12, respectively, and are provided so that the elderly can push the device while walking with their arms placed on the center. A space should be created for the elderly to sit.

The first and second support members 80 and 82 are installed with a hinge member 90 interposed therebetween, and perform folding or unfolding operations around the hinge member 90, and the first and second legs Together with the members 10 and 12, it is possible to reduce the volume of the auxiliary device.

The hinge member 90 performs a hinge function so that the first and second support members 80 and 82 can be folded or unfolded to each other, and a locker means for maintaining an unfolded state so as not to be unintentionally folded in an unfolded state is included. When installed, the hinge member 90 and the locker means have the same structure and operation as the hinge member 40 and the locker means installed on the first and second support members 30 and 32 described above. A detailed description will be omitted.

Hereinafter, the folding process of the walking assistance device for the elderly of the present invention will be described with reference to FIGS. 1 to 8 .

First, when you want to store the walking aid for the elderly, the locking plate 70 coupled with the pin 72 to the first support member 30 is rotated to support the fastening groove 74 of the locking plate 70 to the second support. It is to be separated from the locking protrusion 76 of the member 32 .

Next, the pressure of the pressure tube 60 passing through the bolt shaft 58 by rotating the press lever 64 as a rocker means in the hinge member 40 connecting the first and second support members 30 and 32 is released, the elastic force of the leaf spring 55 acts to release the engagement between the teeth 54 of the first hinge tube 44 and the protrusion 56 of the second lower hinge tube 50 to release the first and second support members Release the constraint of (30, 32).

Next, the hinge member 90 installed between the first and second support members 80 and 82 also operates the rocker means to release the restraints of the first and second support members 80 and 82 .

Next, after releasing the restraints of the first and second support members 30 and 32 and the first and second support members 80 and 82, when the first and second leg members 10 and 12 are folded inward, the The first and second support members 30 and 32 and the first and second support members 80 and 82 are respectively folded around each hinge member 40 and 90, and the first and second leg members 10 and 12 are respectively folded. Since it is folded together with the first and second leg members 10 and 12 in a state that does not interfere with the inner folding operation of the walking device, it is possible to reduce the volume of the walking device and realize convenient storage.

10: first leg member 12: second leg member
30: first support member 32: second support member
40: hinge member 42: first hinge plate
44: first hinge tube 46: second hinge plate
48: second upper hinge tube 50: second lower hinge tube
54: toothed 55: leaf spring
56: projection 58: bolt shaft
60: pressure tube 64: lever

Claims (3)

The first and second support members 80 and 82 for supporting the arms of the elderly, the first and second leg members 10 and 12 installed on the lower surfaces of the first and second support members 80 and 82, the first A first support member 30 having one end coupled to the leg member 10, a second support member 32 having one end coupled to the second leg member 12, and the first and second support members 30 and 32 ) in the walking assistance device for the elderly and weak consisting of a hinge member 40 that connects to each other so as to be foldable,
The hinge member 40 is;
a first hinge plate 42 screwed to the first support member 30;
a second hinge plate 44 screwed to the second support member 32;
a first hinge tube 44 integrally formed in the center of one side of the first hinge plate 42;
second upper and lower hinge tubes 48 and 50 respectively formed on one side of the second hinge plate and provided with a space 52 for inserting the first hinge tube 44 in the center;
a bolt shaft (58) penetrating the first hinge tube (44) and the second phase and lower hinge tubes (48, 50);
A hole 62 through which the bolt shaft 58 passes is formed in contact with the upper surface of the first hinge tube 44 in a state where one end is inserted into the second upper hinge tube 48. pressure tube (60);
A press lever 64 located at the upper end of the pressure tube 60 and screwed to the bolt shaft 58 to move up and down on the bolt shaft 58 and press the pressure tube 60 . );
Teeth 54 formed in a concave-convex shape along the lower outer surface of the first hinge tube 44;
A protrusion 56 formed to protrude from the upper outer surface of the second lower hinge tube 50 and selectively engaged with the teeth 54 of the first hinge tube 44 according to the pressure of the pressure tube 60, and ;
The walking assistance device for the elderly, characterized in that it is fitted at the lower end of the first hinge tube (44) and consists of a rocker member composed of a leaf spring (55) elastically supporting the first hinge tube (44).
The method of claim 1,
A hinge member 90 having the same configuration as the hinge member 40 is installed between the first and second support members 80 and 82, so that the first and second support members 80 and 82 can be folded. A walking assistance device for the elderly, characterized in that it is connected to each other.
The method of claim 1,
First and second guide frames 110 are installed at the ends of the first and second support members 30 , and the first and second guide frames 110 are attached to the first and second leg members 10 and 12 . Each inserted, guide protrusions 120 and 122 protrude from the lower ends of the first and second guide frames 110 while being elastically supported by springs 130 and 132, and the first and second leg members 10, 12), the walking assistance device for the elderly, characterized in that the guide hole (140, 142) through which the guide projections (120, 122) are inserted, respectively.

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