JP3196955U - Multifunctional walker for elevating stairs - Google Patents

Abstract

A multi-function walker for ascending and descending stairs that is easy to adjust is provided. A handle pipe, a front stand pipe that connects the handle pipes, an adjustment pipe that is covered on both ends of the handle pipe, a positioning hole that is provided on the adjustment pipe, and two handle pipes. A gear box 4 attached to one end portion, and a movable member, a rotating component, and a rotating movable portion attached in the gear box are provided. When the rotating component rotates, it is pressed against the movable member to degenerate the movable member, and when the rotating movable portion is raised, the rotating component is rotated. The adjustment member 5 is installed on the top of the handle pipe, and when the adjustment button is operated, the rotary movable part is pulled and raised. For this reason, the height of the adjustment pipe on the handle pipe can be easily adjusted, and it can be used even by patients with different heights. A stair climbing assist function can be realized. [Selection] Figure 3

Description

  The present invention relates to a multi-functional walker for raising and lowering stairs such as a rehabilitation assisting device.

  A walker is a device used by disabled people, patients with injured legs, and elderly people who are unable to move, can support the human body to support weight, ensure the balance of the human body, It assists walking of the patient or the like.

  As the walker, for example, one that can be expanded and contracted is known (see Patent Document 1). The walker described in Patent Document 1 can easily adjust the heights of the four legs, can meet the demands of users with different heights, and the height of both sets of support legs before and after the adjustment. It is configured to be able to go up and down the stairs using the difference. In the walker described in Patent Document 1, an altitude adjustment mechanism is employed. This altitude adjustment mechanism is installed on the support leg, but since the altitude adjustment control mechanism is installed on the top end of the walker, it can be easily adjusted by simply pressing the control mechanism when adjusting. It is now possible for patients with disabilities to easily adjust altitude by themselves.

Chinese Patent No. 200820048009 Specification

  However, the altitude adjustment mechanism adopted in this product is transmitted through the slopes and cannot be adjusted without applying a lot of force to the fingers during use, which is very inconvenient for the elderly and patients. .

  In view of the above problems, an object of the present invention is to provide a multifunctional walker for ascending and descending stairs that can be easily adjusted.

  A multi-functional walker for ascending and descending stairs according to the present invention includes a pair of U-shaped handle pipes arranged opposite to each other, a front stand pipe connecting the pair of handle pipes, and covering both ends of the handle pipe. And a plurality of positioning holes provided along the axial direction on the adjustment pipe, wherein the handle pipe is provided with gearboxes at both ends. The gear box is provided with a movable member, a rotating component, and a rotating movable portion. One end of the movable member is formed in a convex shape that can be inserted into the positioning hole, and the other end is interposed via a compression spring. The rotating part is pivotally connected to the gear box, and when rotated, the rotating part is crimped to the movable member to retract the movable member. It is provided so as to be movable in the gear box while being abutted, and when the rotary movable part is raised, the rotary part is rotated. An adjustment member is provided on the top of the handle pipe and throws through the handle pipe. The adjustment member and the rotationally movable portion are connected by a rope, and when the adjustment member is operated, the rotationally movable portion is pulled and raised.

  As a preferred embodiment of the present invention, the rotationally movable portion includes a terminal connected to the end of the lasso, a fine adjustment screw positioned above the terminal and sequentially covered on the lasso, and a fine adjustment screw. An adjustment nut and a contact spring are provided, the fine adjustment nut is screwed to the fine adjustment screw, and the contact spring is brought into contact with the rotating component.

  As a preferred embodiment of the present invention, the adjustment member includes a button, an internal movable member, and a set of internal pressure members, and the internal movable member is provided below the button and pushes the button. The pair of internal pressure members are pivotally coupled into the handle pipe, and are connected to the lasso located at both ends of the handle pipe, respectively, and a pressure arm located below the internal movable member When the internal movable member is pressed, the internal pressure member rotates via the pressure arm, and pulls the lasso to raise the rotationally movable portion.

  As a preferred embodiment of the present invention, both ends of the front stand pipe are respectively provided on the horizontal portion above the handle pipe, and the front stand pipe is configured to be extendable and corresponding to the pair of handle pipes. In the position, side support pipes rotatable with respect to the handle pipe are respectively covered, and a front support pipe is connected between the two side support pipes.

  As a preferred embodiment of the present invention, the side support pipe is provided with a rotation slot arranged horizontally, an extraction hole is provided on the handle pipe, and the extraction pipe passes through the extraction pipe. A resilient member that can be inserted into the rotating slot, and the side support tube and the handle pipe are respectively fixed in the vertical position by the resilient member, and the resilient member includes the side support tube When rotating with respect to the handle pipe, it moves in the rotation slot.

  As a preferred embodiment of the present invention, a U-shaped reinforcing pipe is provided between both ends of the handle pipe.

  As a preferred embodiment of the present invention, a rubber pad and a universal ball housed in the rubber pad are provided at the bottom of the adjustment pipe.

  The present invention can easily adjust the height of the adjustment pipe on the handle pipe, can be used by patients with different heights, and adjusts the two sets of adjustment pipes on the front and back to form an altitude difference. It is possible to realize the stair climbing assist function. In the present invention, the rotating part is rotated through the rising of the rotating movable part, and further, the convex part of the movable member is detached from the positioning hole of the adjusting pipe by pulling the movable member. For this reason, a very large force is not required, and the use by the patient can be made extremely easy.

It is a three-dimensional view showing a use state according to the present invention. It is a three-dimensional view showing a folded state according to the present invention. It is a figure which shows the decomposition | disassembly structure which concerns on this invention. It is a figure which shows the structure of the decomposition | disassembly state of the gear box which concerns on this invention. It is sectional drawing of the gear box which concerns on this invention, and has shown the principle of operation. It is a figure which shows the structure of the decomposition | disassembly state of the adjustment member which concerns on this invention. It is sectional drawing of the adjustment member which concerns on this invention, and has shown the principle of operation. It is a figure which shows the use condition at the time of raising / lowering stairs using the walker based on this invention.

  An embodiment of the present invention will be described with reference to FIGS. The walker of the present invention (multifunctional walker for ascending / descending stairs) mainly includes a handle pipe 1, a front stand pipe 2, an adjustment pipe 3, a gear box 4 and an adjustment member 5. Patients with disabilities and the elderly can use the present invention to walk alone or take a break while standing, and adjust the height of the walker based on their own height be able to. Through the adjustment, a difference in height can be formed between the front and rear ends of the walker, and the user can assist in raising and lowering the stairs.

  Specifically, in the present invention, there are two handle pipes 1 formed in a U-shape, and the two handle pipes 1 are installed to face each other. The front stand pipe 2 is attached between the two handle pipes 1 and plays a supporting role. There are four adjustment pipes 3, which are respectively covered on the handle pipe 1. Positioning holes 6 distributed in the axial direction are installed in the adjusting pipe 3, and the adjusting pipe 3 is coupled to the gear box 4 installed at the end of the handle pipe 1 through the positioning hole 6. The height (height) is adjusted by fixing the adjusting pipe 3 at different heights.

  As shown in FIGS. 4 and 5, the gear box 4 is formed by joining two half boxes. A screw hole is provided at the end of the handle pipe 1, and the gear box 4 is provided on both sides. It is fixed to the screw hole through the C-shaped flap 7 located. In the gear box 4, a movable member 8, a rotating component 9, and a rotating movable part are installed. The rotating movable part includes a terminal 10, a fine adjustment screw 11, a fine adjustment nut 12, and a contact spring 13. A convex portion that can be inserted into the positioning hole 6 on the adjustment tube 3 is formed at one end of the movable member 8, and the other end of the movable member 8 abuts on the gear box 4 via the compression spring 14. The rotating component 9 is pivotally connected to the gear box 4. The rotationally movable portion is pulled by a lasso 15 extended to the outside, and the terminal 10 therein is installed at the end of the lasso 15, and the fine adjustment screw 11, fine adjustment nut 12 and contact spring 13 are connected to the terminal 10. The lasso 15 is covered while being sequentially positioned above. The contact spring 13 contacts the rotating component 9.

  An embodiment of the present invention will be described with reference to FIG. In use, the lasso 15 is pulled upward by an external force, the terminal 10 is simultaneously raised, and the rotary movable unit is operated. The rotationally movable portion applies a force to the rotating component 9 through the contact spring 13 to rotate the rotating component 9 (the rotation direction in the figure is counterclockwise). The rotary component 9 is pulled in by applying pressure to the movable member 8 (the pulling direction in the drawing is on the left side), and the convex portion of the movable member 8 is housed in the gear box and detached from the positioning hole 6. In this state, the height of the adjustment pipe 3 can be adjusted. When the external force on the lasso 15 disappears, all the parts are automatically returned to their original positions by the action of the compression spring 14 and the contact spring 13.

  As shown in FIG. 5, the position of the movable member 8 is determined by the contact spring 13. By adjusting the tightening distance between the fine adjustment screw 11 and the fine adjustment nut 12, the height of the contact spring 13 can be adjusted, and thus the position of the movable member 8 can also be adjusted. If the movable member 8 cannot be operated or if the protruding portion is insufficient, the movable member 8 can be adjusted through the tightening of the fine adjustment screw 11 and the fine adjustment nut 12 to adjust the product at the time of shipment. It can also handle repairs of failures that occur during use.

  Based on the structure of the gear box 4, the adjustment member 5 may have only a function of lifting by pulling the lasso 15. The adjustment member 5 is installed on the top of the handle pipe 1, and a lasso 15 passes through the handle pipe 1 and is connected thereto. Since the adjustment member 5 is located at the top, the user can easily operate.

  As shown in FIGS. 6 and 7, the adjustment member 5 includes a button 16, an internal movable member 17, and an internal pressure member 18. The button 16 is exposed to the outside of the handle pipe 1 and is operated by the user. The internal movable member 17 is installed below the button 16, and when the button 16 is pressed, the internal movable member 17 is also pressed. There are two internal pressure members 18 in each handle pipe 1, which are connected to the lassos 15 at both ends, respectively, and realize the function of simultaneously controlling the two adjusting pipes 3 with one adjusting member 5. The internal pressure member 18 is pivoted into the handle pipe 1 and can rotate. The internal pressure member 18 is provided with a pressure arm located below the internal movable member 17. As shown in FIG. 7, when the button 16 is pressed, the internal movable member 17 is pressed, and the pressure arms of the internal pressure members 18 on both sides are also pressed simultaneously. At this time, the left internal pressure member rotates clockwise, the right internal pressure member rotates counterclockwise, and the lasso 15 is pulled up by the rotation of the two internal pressure members, and the adjustment operation is performed. Realize.

  The walker of the present invention is preferably designed to be foldable to reduce the space it occupies. As shown in FIGS. 1 to 3, both ends of the front stand pipe 2 are pivotally attached to a horizontal portion above the handle pipe 1, and the front stand pipe 2 has a stretchable structure. Appropriate positions of the two handle pipes 1 are respectively covered with side support pipes 19 that can rotate with respect to the handle pipes, and a front support pipe 20 is connected between the two side support pipes 19. The handle pipe 1 and the side support pipe 19 are connected by a resilient member 25. The elastic member 25 fixes the handle pipe 1 and the side support pipe 19 in the up-and-down position through an extraction hole opened on the handle pipe 1. When it is necessary to fold, the folding part 24 is pushed, the elastic member 25 is ejected, and the two handle pipes 1 are bent inward. As shown in FIG. 2, at this time, the two handle pipes 1 can be bent to a position parallel to the front stand pipe 2. At this time, the small folding pipe of the front stand pipe 2 is contracted so as to overlap the large folding pipe, and the distance between the handle pipes 1 changes. A rotation slot 26 is installed in the side support tube 19, and the folding operation is completed while the elastic member 25 moves along the slot in the process of rotation of the side support tube 19.

  Moreover, in order to reinforce the strength of the walker, preferably, a U-shaped reinforcing pipe 21 is installed between both ends of the handle pipe 1. Compared to a straight pipe, this U-shaped reinforcing pipe 21 is hard to tear and increases the service life. In order to use more conveniently like a general walker, a rubber pad 22 and a universal ball 23 embedded in the rubber pad are preferably installed at the bottom of the adjustment pipe 3, and preferably the universal ball is designed as an integral structure. , Improve its fastness.

  The present invention is not limited to the above-described embodiments, and includes those in which various modifications are made to the present invention by engineers in this field. Modifications based on the spirit and principle of the present invention, equivalent switching, improvements, etc. are also included in the scope of protection of the present invention.

DESCRIPTION OF SYMBOLS 1 Handle pipe 2 Front stand pipe 3 Adjustment pipe 4 Gear box 5 Adjustment member 6 Positioning hole 7 C-shaped flap 8 Movable member 9 Rotary part 10 Terminal 11 Fine adjustment screw 12 Fine adjustment nut 13 Contact spring 14 Compression spring 15 Lasso 16 Button 17 Internal movable member 18 Internal pressure member 19 Side support tube 20 Front support tube 21 U-shaped reinforcing tube 22 Rubber pad 23 Universal ball 24 Folding part 25 Repelling member 26 Rotating slot

Claims (7)

A pair of U-shaped handle pipes arranged opposite to each other, a front stand pipe connecting the pair of handle pipes, an adjustment pipe covering both ends of the handle pipe, and an axial direction on the adjustment pipe A multi-function walker for ascending and descending stairs comprising a plurality of positioning holes provided along
Gear boxes are provided at both ends of the handle pipe,
In the gear box, a movable member, a rotating component, and a rotating movable part are provided,
One end of the movable member is formed in a convex shape that can be inserted into the positioning hole, and the other end is abutted on the gear box via a compression spring,
The rotating component is pivoted on the gear box, and when rotating, crimps the movable member to degenerate the movable member,
The rotationally movable portion is provided movably in the gear box while abutting the rotational component, and when the rotationally movable portion is raised, the rotational component is rotated.
An adjustment member is provided at the top of the handle pipe, and the adjustment member and the rotatable movable part are connected by a lasso penetrating the handle pipe,
When the adjustment member is operated, the rotary movable part is pulled and raised,
A multi-functional walker for elevating and lowering stairs. The rotationally movable portion includes a terminal connected to the end of the lasso, a fine adjustment screw positioned above the terminal and sequentially covered on the lasso, a fine adjustment nut, and a contact spring. Have
The fine adjustment nut is screwed to the fine adjustment screw,
The contact spring is in contact with the rotating component;
The multi-function walker for raising and lowering stairs according to claim 1. The adjustment member includes a button, an internal movable member, and a set of internal pressure members,
The internal movable member is provided below the button and is pressed when the button is pressed,
The pair of internal pressure members are pivotally coupled into the handle pipe, respectively connected to the lasso located at both ends of the handle pipe, and having a pressure arm located below the internal movable member,
When the internal movable member is pressed, the internal pressure member rotates via the pressure arm, and pulls the lasso to raise the rotationally movable part.
The multi-function walker for raising and lowering stairs according to claim 1. Both ends of the front stand pipe are respectively provided in a horizontal portion above the handle pipe,
The front stand pipe is configured to be extendable and contractible,
Side support pipes that can rotate with respect to the handle pipe are respectively covered at positions corresponding to the pair of handle pipes,
A front support pipe is connected between the two side support pipes,
The multi-function walker for raising and lowering stairs according to claim 1. The side support tube is provided with a rotation slot arranged horizontally,
An extraction hole is provided on the handle pipe,
In the handle pipe is provided a resilient member that can be inserted into the rotating slot through the extraction hole,
The side support pipe and the handle pipe are each fixed in the vertical position by the elastic member,
The resilient member moves in the rotating slot when the side support tube rotates relative to the handle pipe.
The multi-functional walker for raising and lowering stairs according to claim 4. Between the both ends of the handle pipe, a U-shaped reinforcement pipe is provided,
The multi-function walker for raising and lowering stairs according to claim 1. At the bottom of the adjustment pipe, a rubber pad and a universal ball built in the rubber pad are provided.
The multi-function walker for raising and lowering stairs according to claim 1.