TWI753582B - Stair walking aids - Google Patents

Abstract

The present invention relates to a stair walking aid, which mainly includes a fixing part and a holding part. The holding part is connected to the fixing part and extends and protrudes from one side of the fixing part; wherein the fixing part is sleeved on the fixing part through an opening. The armrest board, and the fixing part is fastened on the armrest board. Accordingly, the present invention utilizes the fixing portion to be securely sleeved on the handrail, and the grip portion is for the user to hold and support part of the user's body weight to assist the user to walk up and down the stairs. In addition, the present invention can be moved and used along with the walking distance, can be taken off at any time when not in use, does not occupy the stairs space, and is quite convenient in operation. More importantly, it can be applied to most of the existing stair handrails, and it does not need to modify the existing stair handrails, and does not need to install additional slide rails or other guiding devices.

Description

Stair walking aids

The present invention relates to a stair walking aid, in particular to a stair walking aid for assisting the elderly or those with mobility issues to go up and down stairs.

For the elderly or those with limited mobility, going up and down stairs has always been a considerable burden. However, the traditional stair handrail is located on one side of the stair, which can only be used by the escalator to lean on slightly, and because of the direction of the force, it cannot be supported and is provided for the escalator to assist in walking on the stairs.

In the prior art, although related assistive devices have been developed, special handrails or rails must be provided. For example, please refer to Chinese Invention Patent Publication No. I323655 "Auxiliary Device for Going Up and Down Stairs", which discloses an auxiliary device that can slide along the stair handrail. Special slide rails are installed on both sides of the stairs, and the slide rails are provided with a plurality of The auxiliary device can slide in the chute, and the two ends of the auxiliary device are provided with tabs that can be controlled to retract or protrude. When the tab is retracted into the auxiliary device, the auxiliary device can slide in the chute; and when the tab protrudes out of the auxiliary device, it can be locked in the slot, thereby fixing the auxiliary device for the use of the ladder. The hand grasps and provides force to assist it up and down the stairs.

However, although this prior art can provide stable support, special handrails (slide rails) must be installed, which is difficult for general apartment complexes, because the difficulty lies in obtaining the consensus of all residents, and crowdfunding. Furthermore, the assist device spans the entire staircase, and when someone else wants to use the stairs at the same time, the user of the assist device must wait for the user of the assist device to walk the entire distance and then remove the assist device before allowing others to pass. Moreover, when it is used to go down the stairs, the user must move the control handle to retract the tab; if the control handle is not properly controlled and the tab is not engaged in the slot, the downward gravity It will cause the auxiliary device to slide down and be dangerous.

It can be seen from this that a stair walking aid that can be applied to most of the current stair handrails without additional slide rails or special handrails, is labor-saving and convenient to operate, and does not block other ladder users. The earnest expectant.

The main purpose of the present invention is to provide a stair walking aid, which can provide a relatively stable support effect when in use, has a simple structure and is easy to operate, and can be applied to most of the existing stair handrails without modifying the existing stair handrails or installing additional installation.

In order to achieve the above purpose, the present invention provides a stair walking aid, which can be selectively assembled on a handrail for a user to hold to assist him in going up and down stairs. The stair walking aid mainly includes a fixed part and a holding part; the fixing part includes a first side wall, a second side wall and a bottom wall, and the first side wall and the second side wall are arranged correspondingly, and one end of the first side wall and the second side wall are respectively connected to The bottom wall and the other end of the first side wall and the second side wall form an opening; the first side wall, the second side wall and the bottom wall define an accommodating space; the holding part is connected to the fixing part and is separated from one of the fixing parts The side extends and protrudes; wherein, the fixing part is sleeved on the armrest board through the opening, and the fixing part is fastened on the armrest board.

Continuing from the above, the stair walking aid of the present invention utilizes the fixing portion to be securely sleeved on the handrail, and the grip portion is for the user to hold and supports part of the user's body weight to assist the user to walk, Down the stairs. In addition, the stair walking aid of the present invention can be moved and used along with the walking distance; it can be removed at any time when not in use, does not occupy the stair space, is quite convenient in operation, and has a simple and reliable overall mechanism. More importantly, the stair walking aid of the present invention can be applied to most of the existing stair handrails, and does not need to modify the existing stair handrails, and does not need to install additional sliding rails or other guiding devices.

Preferably, the holding part of the stair walking aid of the present invention can be connected to the first side wall or the second side wall, and the holding part can extend and protrude from the fixing part toward one side of the opening; that is, the opening of the fixing part It can be inserted from the side end face of the stair handrail. In addition, the thickness distance between the first side wall and the second side wall can gradually increase from the bottom wall to one side of the opening; and the thickness distance at the opening can be larger than the thickness of the handrail board, so that the fixing part can be easily inserted in addition to In addition to the stair handrail, it can be firmly coupled to the stair handrail.

On the other hand, the holding portion of the stair walking aid of the present invention can be connected to the bottom wall, and the holding portion can extend and protrude from the fixing portion toward one side of the first side wall or the second side wall; that is, the opening of the fixing portion It can be pulled down from the upper end face of the stair handrail. In addition, the width distance between the first side wall and the second side wall can gradually increase from the bottom wall to one side of the opening; and the width distance at the opening can be larger than the width of the armrest board, so that the user can easily fix the In addition to being inserted from the top of the stair handrail, the fixed part and the stair handrail can be stably coupled after being inserted.

Furthermore, the bottom wall of the stair walking aid of the present invention can include a distance adjustment module, which can be used to adjust the distance between the first side wall and the second side wall; in other words, the present invention can adapt to different thicknesses or widths of the handrails. By adjusting the distance between the first side wall and the second side wall, the present invention can be applied to more types and specifications of stair handrails.

In addition, the aforementioned distance adjustment module may include an elastic member and at least one adjusting screw; the elastic member may be sandwiched between the first side wall and the second side wall, and the first side wall is provided with at least a through hole, and the second side wall is provided with at least one through hole. There is at least one screw hole; and at least one adjusting screw is passed through at least one through hole of the first side wall and the elastic piece, and can be locked to at least one screw hole of the second side wall. In other words, because the elastic member has the characteristics of elastic compression and reset, it can be composed of rubber, silicone, spring or other equivalent elements, so the distance between the first side wall and the second side wall can be adjusted by adjusting the locking degree of the screw , whereby the present invention can be applied to stair handrails of different widths or thicknesses.

In addition, the aforementioned distance adjustment module can also include a first inclined block, a second inclined block and an inclined block adjustment bolt, the first side wall can be connected to the first inclined block, and the second side wall can be connected to the second inclined block. , and the first inclined block and the second inclined block can be coupled to each other; and the second inclined block can include a fixed block, and the fixed block is provided with a through screw hole; and the adjustment bolt of the inclined block can be screwed into the through screw hole of the fixed block , and one end of the inclined block adjusting bolt is pivotally connected to the first inclined block; wherein, when the inclined block adjusting bolt is rotated, the first inclined block will be pushed to slide relative to the second inclined block. Accordingly, when the inclined block adjusting bolt is rotated, the first inclined block can be controlled to slide relative to the second inclined block, so as to drive the first side wall and the second side wall to approach or move away from each other, so that the first side wall and the second side wall can be adjusted. Spacing between side walls.

In addition, the stair walking aid of the present invention may further include a sensing module, which may be disposed in the accommodating space and used for sensing the handrail board; wherein, the sensing module may include a sensing switch, a power supply unit, and an indicator The sensing switch and the indicating unit are electrically connected to the power supply unit; when the sensing switch senses the armrest, the indicating unit can notify the user through at least one of a light signal and a sound. Accordingly, the present invention can sense whether the fixing part has been securely sleeved with the armrest board through the sensing module, that is, it can actively assist the user to determine whether the fixing part has been properly sleeved, and can completely avoid the failure of the fixing part due to insufficient connection. accident.

Before the stair walking aid of the present invention is described in detail in this embodiment, it should be noted that, in the following description, similar elements will be represented by the same reference numerals. Furthermore, the drawings of the present invention are for illustrative purposes only, they are not necessarily drawn to scale, and not all details are necessarily shown in the drawings.

Please refer to FIG. 1 , which is a perspective view of the first embodiment of the stair walking aid of the present invention; as shown in FIG. 1 , the stair walking aid 1 of this embodiment mainly includes a fixing part 2 and a holding part 3 ; The fixing portion 2 includes a first side wall 21 , a second side wall 22 and a bottom wall 23 , the first side wall 21 and the second side wall 22 are correspondingly disposed, and one end of the first side wall 21 and the second side wall 22 are respectively Connected to the bottom wall 23 , an opening O is formed at the other end of the first side wall 21 and the second side wall 22 ; the first side wall 21 , the second side wall 22 and the bottom wall 23 define a half-open accommodating space S.

In other words, the fixing portion 2 of this embodiment is a U-shaped member formed by the first side wall 21 , the second side wall 22 and the bottom wall 23 , and the holding portion 3 is connected to the first side wall 21 , and the holding portion 3 It extends and protrudes toward one side of the opening O from the fixing portion 2 . In addition, the grip portion 3 in this embodiment is a round stick, but not limited to this, it can be shaped into any shape, for example, it has an ergonomic functional shape. In addition, the thickness distance H between the first side wall 21 and the second side wall 22 in this embodiment is specially set to gradually increase from the bottom wall 23 to one side of the opening O, and the thickness distance H at the opening O is Greater than the thickness of the handrail HR (see Figure 2). However, the purpose of this setting is that because the thickness distance H at the opening O is larger, the user can easily fit it into the armrest HR, while the thickness distance adjacent to the bottom wall 23 is smaller, so the fixing portion 2 It can be securely sleeved on the handrail board HR.

Please refer to FIG. 2A and FIG. 2B at the same time. FIG. 2A is a schematic diagram of the use of the first embodiment of the present invention, and FIG. 2B is a schematic enlarged view of the use of the first embodiment of the present invention. The following describes the usage of this embodiment. First, insert the opening O of the fixing portion 2 from one side end of the armrest HR, which is the end away from the user U; after inserting, push the bottom wall of the fixing portion 2 into 23 contacts the side end of the handrail board HR, so that the fixing part 2 can be firmly coupled to the handrail board HR.

In addition, it should be noted that the position where the fixing portion 2 is set is preferably corresponding to the railing RR, that is, the side of the second side wall 22 of the fixing portion 2 is against the railing RR; For the stairs, the lower side of the second side wall 22 abuts against the railing RR. Accordingly, in this way, in addition to the user U can easily locate the distance to be moved each time, more importantly, the stability can be increased, because in addition to the static friction between the fixed portion 2 and the handrail HR, the railing RR In addition, the supporting force of the fixing portion 2 can be increased.

However, when the user wants to move to the next step, he only needs to disengage the fixing portion 2 from the handrail HR, move it to the next handrail RR, and re-insert the fixing portion 2 onto the handrail HR. The user can apply force to assist it to move to the next step.

In this way, the user U only needs to hold the holding part 3 with both hands, and with the assistance of the stair walking aid 1 in this embodiment; when going up the stairs, both hands can pull the holding part 3 with the force of both hands. Auxiliary, can make up for the lack of power output of the feet; moreover, because the grip part 3 is located in front of the user, when the hands are holding the power, it is completely ergonomic, making the whole process of walking or standing more stable. On the other hand, when going down the stairs, the stair walking aid 1 of this embodiment is used in the same posture and operation mode, the only difference is that the walking direction is changed, and the output method is changed to thrust and output support.

Please refer to FIG. 3 , which is a perspective view of the second embodiment of the present invention. The main difference between this embodiment and the aforementioned first embodiment is that the fixing portion 2 of this embodiment is sleeved down from the upper part of the handrail plate HR and is coupled to the handrail plate HR. Specifically, the holding portion 3 in this embodiment is connected to the bottom wall 23 , and the holding portion 3 extends and protrudes from the fixing portion 2 toward one side of the first side wall 21 . In addition, the width distance W between the first side wall 21 and the second side wall 22 is gradually increased from the bottom wall 23 to one side of the opening O; and the width distance W at the opening O is greater than the width of the handrail HR.

In other words, in this embodiment, the opening O of the fixing portion 2 is set larger than the width of the armrest HR, so the user can easily align the opening O with the armrest HR, and when the fixing portion 2 is gradually pressed down, the bottom wall 23 When the inner surface contacts the upper surface of the handrail board HR, the fixing portion 2 is clamped on the handrail board HR to increase the firmness, so that the fixing portion 2 cannot easily slip off from the handrail board HR. Of course, in other embodiments, additional hooks (not shown in the figure) may also be provided at the ends of the first side wall 21 and the second side wall 22 (ie, the end faces away from the bottom wall 23 ) to prevent the grip portion 3 from being subjected to When pressed downward, the fixing part 2 is released from the armrest plate HR.

Please refer to FIG. 4 , which is a perspective view of the fixing portion according to the third embodiment of the present invention. The main difference between this embodiment and the aforementioned first embodiment is that this embodiment further includes a sensing module 4, which is disposed in the accommodating space S and used for sensing the armrest HR. Further description, the sensing module 4 of this embodiment includes a sensing switch 41 , a power supply unit 42 and a display unit 43 , and the sensing switch 41 and the display unit 43 are electrically connected to the power supply unit 42 . The test switch 41 is a proximity switch, but not limited thereto, it can also be a limit switch, a micro switch, a photoelectric switch or a pressure sensor; and the indicating unit 43 is a light-emitting diode.

Accordingly, when the armrest HR touches the proximity switch, the circuit is turned on, so that the power supply unit 42 supplies power to the light-emitting diodes, so that the light-emitting diode emits light to inform the user that the fixing portion 2 has been firmly overlapped with the armrest HR. , you can use the stair walking aid 1. In addition, it should be noted that the display unit 43 of the present invention is not limited to light-emitting diodes, and can also be used to issue sound or voice notification, or even to generate vibration.

Please refer to FIG. 5A and FIG. 5B at the same time. FIG. 5A is an exploded perspective view of the fixing portion according to the fourth embodiment of the present invention, and FIG. 5B is a cross-sectional view of the line segment A-A in FIG. 5A . The main difference between this embodiment and the aforementioned first embodiment is that the bottom wall 23 of this embodiment includes a distance adjustment module 5, which is used to adjust the distance H between the first side wall 21 and the second side wall 22; in other words, This embodiment can be adapted to the thickness or width of different handrail boards HR.

To further illustrate, the distance adjustment module 5 in this embodiment includes an elastic member 51 and two adjustment screws 52 . The elastic member 51 of this embodiment is a rubber pad, which is sandwiched between the first side wall 21 and the second side wall 22 , the first side wall 21 has two through holes 211 , and the second side wall 22 has two through holes 211 . Two screw holes 221 . In addition, the two adjusting screws 52 pass through the two through holes 211 of the first side wall 21 and the elastic member 51 respectively, and are respectively locked to the two screw holes 221 of the second side wall 22 .

Accordingly, because the rubber pad can be compressed when subjected to external force, and expand and recover when the external force is removed; therefore, when the adjusting screw 52 is rotated, the rubber pad can provide a margin for compression, which can be used to adjust the first side wall 21 and the The distance between the second side walls 22 . In addition, as shown in FIG. 5B , when the rubber pad is squeezed, it will protrude outward, and the protruding portion 511 in the accommodating space S can increase the frictional force between it and the armrest board, providing a more stable coupling receive effect. In addition, it is worth mentioning that, in order to cope with a wider range of use, this embodiment can be configured with a plurality of elastic members 51 with different thicknesses or different elastic coefficients, so the required elastic members 51 can be replaced according to actual needs. Of course, It is also possible to stack a plurality of elastic members 51 at a time.

Please refer to FIG. 6A and FIG. 6B at the same time, FIG. 6A is a perspective view of the fixing portion of the fifth embodiment of the present invention, and FIG. 6B is a cross-sectional view of the line segment A'-A' in FIG. 6A. The main difference between this embodiment and the foregoing fourth embodiment is that the structure of the distance adjustment module 5 between the two is different. In detail, the distance adjustment module 5 in this embodiment mainly includes a first inclined block 53, a second inclined block 54 and an inclined block adjustment bolt 55, and the first side wall 21 is connected to the first inclined block 53, and the first inclined block 53 is connected to the first inclined block 53. The two side walls 22 are connected to the second inclined block 54 . In addition, the first inclined block 53 and the second inclined block 54 are coupled to each other through a T-shaped sliding rail and a T-shaped sliding groove, that is, the first inclined block 53 and the second inclined block 54 can pass through the T-shaped sliding rail and the T-shaped sliding groove. The chute lifts and slides with each other.

Furthermore, the second oblique block 54 of the present embodiment includes a fixing block 541 which defines a through screw hole 542; One end is pivotally connected to the first inclined block 53 . Accordingly, when the adjusting bolt 55 of the inclined block is rotated, the adjusting bolt 55 will push the first inclined block 53 to slide up relative to the second inclined block 54 , or pull the first inclined block 53 to slide down relative to the second inclined block 54 . . That is to say, when the user wants to adjust the thickness or width of the respective armrest plate HR, he only needs to turn the adjusting bolt 55, and the distance H between the first side wall 21 and the second side wall 22 can be changed accordingly, and further It can match the thickness or width of the actual handrail board HR.

The above-mentioned embodiments are only examples for convenience of description, and the scope of the claims claimed in the present invention should be based on the scope of the patent application, rather than being limited to the above-mentioned embodiments.

1: Stair walking aids 2: Fixed part 3: Grip 4: Induction module 5: Spacing adjustment module 21: First side wall 22: Second side wall 23: Bottom wall 41: Sensing switch 42: Power supply unit 43: Representation unit 51: Elastic 52: Adjustment screw 53: The first oblique block 54: Second oblique block 55: Oblique block adjusting bolt 211: Through hole 221: screw hole 511: Protruding part 541: Fixed block 542: Through screw holes H: Thickness spacing HR: Armrest board O: open RR: railing S: accommodating space U: user W: width spacing

FIG. 1 is a perspective view of a first embodiment of the present invention.

FIG. 2A is a schematic diagram of the use of the first embodiment of the present invention.

FIG. 2B is a schematic enlarged view of the use of the first embodiment of the present invention.

FIG. 3 is a perspective view of a second embodiment of the present invention.

FIG. 4 is a perspective view of the fixing portion of the third embodiment of the present invention.

FIG. 5A is an exploded perspective view of the fixing portion according to the fourth embodiment of the present invention.

FIG. 5B is a cross-sectional view of the line A-A in FIG. 5A .

6A is a perspective view of a fixing portion according to a fifth embodiment of the present invention.

Fig. 6B is a cross-sectional view of the line A'-A' in Fig. 6A.

1: Stair walking aids

2: Fixed part

3: Grip

21: First side wall

22: Second side wall

23: Bottom wall

H: Thickness spacing

O: open

S: accommodating space

Claims (10)

A stair walking aid, which can be selectively assembled on a handrail for a user to hold to assist him in going up and down stairs, the stair walking aid comprising: a fixing part comprising a first side wall, a second side wall and a bottom wall, the first side wall and the second side wall are correspondingly arranged, and one end of the first side wall and the second side wall are respectively connected to the bottom a wall, the other end of the first side wall and the second side wall form an opening; the first side wall, the second side wall and the bottom wall define an accommodating space; and a holding part, which is connected to the fixing part and extends and protrudes from one side of the fixing part; Wherein, the fixing part is sleeved on the armrest board through the opening, and the fixing part is fastened on the armrest board. The stair walking aid of claim 1, wherein the holding portion is connected to the first side wall or the second side wall, and the holding portion extends and protrudes from the fixing portion toward one side of the opening. The stair walking aid of claim 2, wherein the thickness distance between the first side wall and the second side wall gradually increases from the bottom wall to one side of the opening; and the thickness at the opening The spacing is greater than the thickness of the handrail board. The stair walking aid of claim 1, wherein the holding portion is connected to the bottom wall, and the holding portion extends and protrudes from the fixing portion toward one side of the first side wall or the second side wall. The stair walking aid of claim 4, wherein the width distance between the first side wall and the second side wall is gradually increased from the bottom wall to one side of the opening; and the width at the opening is The spacing is greater than the width of the handrail. The stair walking aid of claim 1, wherein the bottom wall includes a distance adjustment module for adjusting the distance between the first side wall and the second side wall. The stair walking aid of claim 6, wherein the distance adjustment module comprises an elastic member and at least one adjustment screw; the elastic member is sandwiched between the first side wall and the second side wall, and the first side wall At least one through hole is opened on the second side wall, and at least one screw hole is opened on the second side wall; the at least one adjustment screw is passed through the at least through hole of the first side wall and the elastic member, and is locked to the at least one screw hole of the second side wall. a screw hole. The stair walking aid of claim 6, wherein the distance adjustment module comprises a first inclined block, a second inclined block and an inclined block adjustment bolt, the first side wall is connected to the first inclined block, and the first inclined block is connected to the first inclined block. The two side walls are connected to the second inclined block, and the first inclined block and the second inclined block are coupled to each other; the second inclined block includes a fixed block, and the fixed block defines a through screw hole; the inclined block adjustment bolt is screwed the through screw hole of the fixing block, and one end of the inclined block adjusting bolt is pivotally connected to the first inclined block; when the inclined block adjusting bolt is rotated, it will push the first inclined block relative to the second inclined block Block slips. The stair walking aid according to claim 1, further comprising a sensing module, which is disposed in the accommodating space and used for sensing the handrail. The stair walking aid of claim 9, wherein the sensing module includes a sensing switch, a power supply unit, and a display unit, and the sensing switch and the display unit are electrically connected to the power supply unit; When the detection switch senses the armrest, the indicating unit informs the user through at least one of a light signal and a sound.

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