KR102506950B1 - A walk-assistive apparatus for the elderly - Google Patents

Abstract

In the present invention, the first and second leg members, the first and second support members, and the first and second support members constituting the auxiliary device are configured to be foldable and unfoldable, so that the load of the elderly and weak can be stably supported in the state in which the auxiliary device is unfolded. Provided is a walking assistance device for the elderly, which supports walking of the elderly and weak while being supported, and which has the effect of maximizing space utilization by reducing the volume of the assistive device by simply folding the assistive device when storing.

Description

Walking assistive device for the elderly {A walk-assistive apparatus for the elderly}

The present invention relates to a walking aid for the elderly and infirm, and more particularly, assists the elderly in walking while stably supporting the load of the elderly and infirm in an unfolded state, and can be easily folded and reduced in volume when stored It relates to a walking aid for the elderly.

In general, walking aids are used as assistive devices for walking by patients, the elderly, and the disabled, etc., when walking.

As a representative prior art related to walking aids for the elderly, Korean Intellectual Property Office Registered Patent Publication No. 10-1654843 (hereinafter referred to as prior art) can be cited as an example.

The prior art includes 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, and the upper frame to be able to rely on the user's weight. A harpoon cradle to be mounted, a pair of holding members installed on the upper end of the upper frame to perform a handle function and integrally formed with the harbor cradle, and a braking member installed on the lower frame to prevent the wheels from rotating are operated. It includes a brake lever installed on the holding member so as to do so, and a circular rotary hook through which the holding member is inserted is formed on one side of the bottom of the lower arm holder, and the other side of the bottom is formed with the holding member inserted but leaving without shaking from side to side It is configured in the form of a partition to be prevented, and an open hook is formed in which the lower part is not blocked, so that the lower arm holder can rotate around the circular rotary hook.

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 Registration No. 10-1654843

Therefore, an object of the present invention to solve the above problems is to configure the assistive device to be expandable and foldable, and assist the walking of the elderly while stably supporting the load of the elderly and weak in the unfolded state of the assistive device, Another object of the present invention is to provide a walking aid for the elderly and weak in which the assistive device can be easily folded and reduced in volume when stored.

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 surfaces of the first and second support members, and one end of the first leg member A walking assistance device for the elderly composed of a first supporting member coupled, a second supporting member having one end coupled to the second leg member, and a hinge member that foldably connects the first and second supporting members to each other, wherein the hinge member 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 at 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 and the lower hinge tube are formed on the upper and lower sides of one side of the plate and have a space in the center for inserting the first hinge tube. A bolt shaft, one end of which is in contact with the upper surface of the first hinge tube in a state of being inserted into the second upper hinge tube, and a pressure tube having a hole through which the bolt shaft passes through, located at the upper end of the pressure tube, A push lever screwed to the bolt shaft, moving up and down along the bolt shaft and pressurizing the pressure, teeth formed in a concave-convex shape along the outer surface of the lower end of the first hinge tube, the second lower hinge A protrusion formed on the outer surface of the upper end 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.

Preferably, a hinge member having the same configuration as the hinge member is installed between the first and second support members, and the first and second support members are connected 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 inserted into the first and second leg members, respectively, at the lower ends of the first and second guide frames. It is preferable that the guide protrusion protrudes while being elastically supported by a spring, and guide holes into which the guide protrusion is inserted are formed through the first and second leg members, respectively.

In the present invention, the first and second leg members, the first and second support members, and the first and second support members constituting the auxiliary device are configured to be foldable and unfoldable, so that the load of the elderly and weak can be stably supported in the state in which the auxiliary device is unfolded. It assists the walking of the elderly in a supported state, and also has the effect of maximizing the use of space during storage by simply folding the assistive device and reducing its volume.

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

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

Attached FIG. 1 is a view showing the entire configuration of a walking aid for the elderly and weak according to the present invention, and FIG. 2 is a view showing the front of FIG. 1 . 3 is a view showing a walking aid for the elderly in a folded state, FIG. 4 is a front view of FIG. 3, and FIG. 5 is a three-dimensional view of a hinge member connecting the first and second support members in FIG. 6 is a cross-sectional view of FIG. 5, FIG. 7 is an operating state diagram of FIG. 5, and FIG. 8 is a view showing a locking member installed on the first and second support members.

1 to 8, the walking assistance device for the elderly and weak according to the present invention largely includes first and second leg members 10 and 12, first and second support members 30 and 32, and first and second leg members 10 and 12, respectively. 2 support members (80, 82) constitute the outer appearance.

The first and second leg members 10 and 12 are installed on the lower surfaces of the first and second support members 80 and 82, respectively, and the first and second support members 80 and 82 are spaced apart from the ground at a certain 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 formed by installing a hinge pin 26 at the intersection of the first and second links 22 and 24 in a state where the first and second links 22 and 24 cross each other, It guides the inner contraction and outer expansion of the leg members 10 and 12.

The first link 22 has one end fixed to the first leg member 10 with a bracket and the other end connected to the second leg member 12 by a guide so as to move up and down.

The second link 24 has one end fixed to the second leg member 12 with a bracket and the other end connected to the first leg member 10 by a guide so as to move up and down.

Through these first and second links 22 and 24, the first and second leg members 10 and 12 stably perform internally folded and externally expanded operations.

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

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

The first and second support members 30 and 32 perform a folding or unfolding operation around the hinge member 40, and fold or unfold the first and second leg members 10 and 12 of the auxiliary device. It performs folding and unfolding operations together with the first and second leg members 10 and 12 without interfering with it.

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. Formed through the long hole 140, when the first support member 30 is folded and unfolded, the guide protrusion 120 moves along the guide hole 140 and the operation of the first support member 30 Guided to perform stably.

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, a guide protrusion 122 protrudes from the lower end of the second guide frame 112 while being elastically supported by a spring 132, and the guide protrusion 122 is inserted into the second leg member 12. Formed through the long hole 142, when the second support member 32 is folded and unfolded, the guide protrusion 122 moves along the guide hole 142 and the operation of the second support member 32 Guided to perform stably.

The hinge member 40 performs a hinge function so that the first and second support members 30 and 32 can be folded or unfolded with each other, and includes a locker means for maintaining the unfolded state so that they are not unintentionally folded in the unfolded state. 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, formed on the top and bottom of one side of the second hinge plate 46, and a space for inserting the first hinge tube 44 in the center Consisting of a bolt shaft 58 passing through the second phase and lower hinge tubes 48 and 50 provided with 52, the first hinge tube 44 and the second phase and lower hinge tubes 48 and 50 Thus, when the first and second support members 30 and 32 are folded, the hinge member 40 is folded or unfolded around the bolt shaft 58 of the hinge member 40 .

A rocker means is further installed on the hinge member 40. The rocker means is in contact with the upper surface of the first hinge tube in a state in which one end is inserted into the second upper hinge tube 48, and a hole 62 for the bolt shaft 58 to pass through is formed therein. The tube 60 is located at the upper end of the pressure tube 60 and is screwed to the bolt shaft 58, moves up and down along the bolt shaft 58 and pressurizes the pressure tube 60 A push lever 64 to do, a tooth 54 formed in a concavo-convex shape along the outer surface of the lower end of the first hinge tube 44, and inserted into the lower end of the first hinge tube 44, the first hinge tube ( 44) and a protrusion 56 protruding from the outer surface of the upper end of the second lower hinge pipe 50 and selectively engaged with the teeth 54.

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

That is, when the push lever 64 is rotated by hand, the push lever descends along the thread of the bolt shaft, pressurizes the pressure tube 60, and presses the first hinge tube 44, and the first hinge tube 44 The teeth 54 formed on the lower outer surface engage with the protrusion 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. Accordingly, the first hinge pipe 44 and the second lower hinge pipe 50 are pressurized and fixed to each other, so that the first hinge plate 42 connected to the first hinge pipe 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. , The first and second leg members 10 and 12 supported by the two support members 30 and 32 can maintain an unfolded state at a certain distance from each other.

And when the push lever 64 is turned in the opposite direction, the pressure of the pressure pipe 60 is released, and the elastic force of the leaf spring 55 acts on the first hinge pipe 44 and the second lower hinge pipe 50, By canceling the engagement of the teeth 54 and the protrusion 56, the first and second support members 30 and 32 can be folded, and through this, the first and second leg members 10 and 12 can also be folded. it gets done

As shown in FIG. 8, the locking plate 70 is coupled to the first support member 30 with a pin 72, and the locking groove 74 of the locking plate 70 is hooked on the second support member 32. A holding protrusion 76 for holding is further formed. By hanging the locking groove 74 of the locking plate 70 on the protrusion 76, the first and second support members 30 and 32 can prevent unintended folding accidents from occurring in the unfolded state. can

The first and second supporting 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 raised, and the center thereof A space is formed so that the elderly can sit in it.

The first and second supporting members 80 and 82 are installed with a hinge member 90 interposed therebetween, and perform a folding or unfolding operation around the hinge member 90, and the first and second legs Together with the members 10 and 12, the volume of the auxiliary device can be reduced.

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

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

First, when storing the walking aid for the elderly and infirm, the fastening groove 74 of the lock plate 70 is rotated by rotating the lock plate 70 coupled with the pin 72 to the first support member 30. It is to be separated from the protrusion 76 of the member 32.

Next, the pressure of the pressure pipe 60 penetrating the bolt shaft 58 by rotating the push lever 64, which is a rocker unit, in the hinge member 40 connecting the first and second support members 30 and 32 When is released, the elastic force of the leaf spring 55 acts to disengage the teeth 54 of the first hinge pipe 44 and the protrusions 56 of the second lower hinge pipe 50, thereby disengaging the first and second supporting members. Release the constraint of (30, 32).

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

Next, after releasing the restraints of the first and second supporting members 30 and 32 and the first and second supporting members 80 and 82, the first and second leg members 10 and 12 are folded inward, The first and second support members 30 and 32 and the first and second supporting members 80 and 82 are folded around the hinge members 40 and 90, respectively, and the first and second leg members 10 and 12 By being folded together with the first and second leg members 10 and 12 without interfering with the inner folding operation of the walking device, the volume of the walking device can be reduced and convenience of storage can be realized.

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 pipe 46: second hinge plate
48: second upper hinge pipe 50: second lower hinge pipe
54: teeth 55: leaf spring
56: protrusion 58: bolt shaft
60: pressure pipe 64: lever

Claims (3)

First and second supporting members (80, 82) supporting the arms of the elderly and weak, first and second leg members (10, 12) installed on the lower surfaces of the first and second supporting members (80, 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 elderly walking assistance device composed of a hinge member 40 that connects foldably to each other,
The hinge member 40;
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 pipe 44 integrally formed at 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 having a space 52 in the center for inserting the first hinge tube 44;
a bolt shaft 58 penetrating the first hinge tube 44 and the second upper and lower hinge tubes 48 and 50;
In a state where one end is inserted into the second upper hinge tube 48, it contacts the upper surface of the first hinge tube 44 and has a hole 62 through which the bolt shaft 58 passes through. (60);
It is located at the upper end of the pressure pipe 60 and is screwed to the bolt shaft 58 and moves up and down along the screw thread of the bolt shaft 58 in forward and reverse rotation motion, and the pressure tube 60 a push lever 64 for pressing;
teeth 54 formed in a concavo-convex shape along the outer surface of the lower end of the first hinge tube 44;
A protrusion 56 protruding 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 pressing pressure of the pressure tube 60 and ;
It is fitted to the lower end of the first hinge pipe 44 and composed of a rocker member composed of a plate spring 55 that elastically supports the first hinge pipe 44;
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 make up connected;
First and second guide frames 110 and 112 are installed at the ends of the first and second support members 30 and 32, and the first and second guide frames 110 and 112 have the first and second leg members 10 , 12), the guide protrusions 120 and 122 protrude from the lower ends of the first and second guide frames 110 and 112 while being elastically supported by the springs 130 and 132, and the first and second guide frames 110 and 112 protrude. Guide holes 140 and 142 into which the guide protrusions 120 and 122 are inserted are formed through the two leg members 10 and 12, respectively;
The lock plate 70 is coupled to the first support member 30 with a pin 72, and the second support member 32 has a locking protrusion for engaging the locking groove 74 of the lock plate 70 ( 76) walking assistance device for the elderly characterized in that it is formed.



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