JP3127546U - Brake device for walking auxiliary vehicle - Google Patents

Abstract

There is provided a brake device for a walking assist vehicle that can be braked and released with one hand.
A driving rod and a holding member, which are rotatably provided on a handle frame of a frame constituting a walking assistance vehicle and are connected to the brake device via an interlocking member, the driving rod being arranged by the brake device. The brake member has a brake position for braking the wheel and a brake release position for releasing the brake, and the holding member includes a restricting portion and a pressing pressure gradient portion, and is provided rotatably on the handle frame. When the drive rod is held at the brake position by being held close to the handle frame of the drive rod, and the drive rod is pulled and rotated in the direction of the handle frame, the pressure gradient portion is The holding member is rotated by pressing and the drive rod is returned to the brake release position.
[Selection] Figure 2

Description

  The present invention relates to a walking aid, and more particularly, to a brake device for a walking assistance vehicle.

  With the advent of an aging society, various nursing tools for the elderly have been developed. A walking car is one of them, and is used to support the body and assist walking when an elderly person who is slow or inconvenient is walking.

  In addition, since the walking vehicle is intended for elderly people who are slow in movement, safety and ease of use must be considered. In general, a walking vehicle is provided with a brake device. For example, Japanese Patent Publication No. 11-089899 discloses a walking assistance vehicle having a brake device. That is, two pipe-shaped support columns and a pair of left and right flat plate-shaped flat pedestals provided at the tops of the two support columns are provided in the lateral direction so as to connect the flat pedestals. A handle portion is constituted by a pipe-shaped connecting member or the like, a brake lever is provided along the connecting member, and a brake lock is disposed at a substantially central portion of the connecting member.

  The brake lever is braked by being pulled toward the handle portion. The brake lock is provided to lock the brake lever, and the position of the walking assist vehicle is fixed by locking the brake lock. To release this state, pull the brake lever to return the brake lock to the brake release position. However, in this operation, the brake lever is pulled in the direction of the handle to release the break lock from the brake lever, and the brake lock is further rotated. For this purpose, both hands must be used. Therefore, it is extremely inconvenient.

  An object of the present invention is to provide a brake device for a walking assistance vehicle that can be braked and released with one hand and is convenient for use.

  Therefore, the inventors of the present invention have conducted intensive research in view of the drawbacks found in the prior art, and as a result, provided on the handle frame of the frame that constitutes the walking assistance vehicle, and controls the brake of the wheel or the release of the brake. A brake device comprising a drive rod and a holding member, the drive rod being rotatably provided on the handle frame and connected to the brake device via an interlocking member, and the drive rod Has a brake position where the brake device applies a brake to the wheel and a brake release position where the brake is released, and the holding member includes a limiting portion and a pressing pressure gradient portion, and is provided rotatably on the handle frame. The restricting portion is held at a position near the handle frame of the drive rod to hold the drive rod at the brake position, and pulls the drive rod toward the handle frame. When the rotation is rotated, the holding pressure member is rotated by the pressing pressure gradient portion pressing the drive rod, and the structure of the brake device for the walking assist vehicle is configured to return the drive rod to the brake release position. We focused on the problems that could be solved and completed the present invention based on this knowledge.

  Hereinafter, this device will be specifically described.

The brake device for a walking auxiliary vehicle according to claim 1 is a brake device that is provided on a handle frame of a frame that constitutes the walking auxiliary vehicle, and controls braking of a wheel or release of the brake, the driving rod and the holding member. And comprising
The drive rod is rotatably provided on the handle frame and is connected to the brake device via an interlocking member, and the drive rod releases a brake position and a brake at which the brake device brakes a wheel. A brake release position,
The holding member includes a restricting portion and a pressing pressure gradient portion, and is provided rotatably on the handle frame. The restricting portion restrains the drive rod in a position near the handle frame of the drive rod. When the drive rod is held in the brake position and is rotated by pulling the drive rod in the direction of the handle frame, the holding pressure member is rotated by the pressing pressure gradient portion pressing the drive rod. It is configured to return to

  According to a second aspect of the present invention, the frame of the first aspect includes a leg portion, and a wheel set is connected to the lower end of the leg portion.

  According to a third aspect of the present invention, there is provided a brake device for a walking assistance vehicle, wherein the brake device according to the first aspect further includes a brake rod and an elastic member, the brake rod prevents rotation of the wheel set, and the elastic member The brake rod is configured to return to the brake release position.

  According to a fourth aspect of the present invention, there is provided a brake device for a walking auxiliary vehicle, wherein the brake rod according to claim 3 is rotatably provided on the wheel set, and the elastic member is provided between the brake rod and the wheel set. .

  According to a fifth aspect of the present invention, the brake rod of the third aspect is provided with the brake rod rotatably on the leg portion, and the elastic member is provided between the brake rod and the leg portion.

  According to a sixth aspect of the present invention, the elastic member in the third aspect is a tension spring.

  According to a seventh aspect of the present invention, there is provided a walking assist vehicle brake device in which the holding member restricting portion and the pressing pressure gradient portion according to the first aspect are integrally formed.

  According to an eighth aspect of the present invention, there is provided a brake device for a walking auxiliary vehicle, wherein connecting seats are provided on both sides of the handle frame in the longitudinal direction of the first aspect, and one end of the drive rod is rotatably connected to the connecting seat.

  The brake device for a walking auxiliary vehicle according to the present invention has an advantage that it can be operated or released with one hand and is convenient in operation.

  This device can be locked and unlocked with one hand, and is a brake device for a walking assistance vehicle that is convenient for use, provided on a handle frame of a frame that constitutes the walking assistance vehicle, Or a brake device for controlling the release of the brake, which includes a drive rod and a holding member, the drive rod being provided rotatably on the handle frame and connected to the brake device via an interlocking member. The drive rod has a brake position where the brake device brakes the wheel and a brake release position where the brake is released, and the holding member includes a limiting portion and a pressing pressure gradient portion, and the handle The restricting portion is provided at a position close to the handle frame of the drive rod to hold the drive rod at the brake position, and Rotating pull the direction to the drive rod of the arm, the holding member is rotated by the pushing pressure gradient portion presses down the driving rod and configured to return the drive rod to the position of the brake release.

  In order to describe in detail the structure and features of the brake device of such a walking assistance vehicle, a specific example will be given and described below with reference to the drawings.

  As disclosed in FIGS. 1 and 2, a brake device for a walking assistance vehicle according to the present invention is provided in a frame 10 constituting the walking assistance vehicle, and includes a brake portion 2, a driving rod 3, an interlocking member 4, and a holding member. And 5.

  As shown in FIGS. 1 and 2, the frame 10 can be changed from a developed state to a folded state (not shown), and a wheel set 11 is provided at the lower end of the leg portion 12 so as to roll freely. Further, the frame 10 is provided with a handle frame 13, which is used for a user to hold and push the walking assist vehicle. Connection seats 14 are provided at both ends of the handle frame 13 in the longitudinal direction.

  The brake part 2 includes a brake rod 21 and an elastic member 22, and is provided at the lower end of the wheel set 11 or the leg part 12. In the embodiment, the brake part 21 is provided at the lower end of the wheel set 11 or the leg part 12 so as to be rotatable. The brake rod 21 includes a pressure contact portion 211, and the brake rod 21 rotates to press the pressure contact portion 211 against the tread portion of the wheel 15. For this reason, a wheel stops rotating and the objective of a brake is achieved.

  Further, the wheel 15 is formed with locking teeth (not shown) for locking to the brake rod 21, and the brake rod 21 is locked to the locking teeth formed on the wheel 15 to prevent the rotation of the wheel. To do.

  The elastic member 22 is a tension spring and is provided between the wheel set 11 or the leg portion 12 of the brake rod 21. When the brake rod 21 rotates, the elastic member 22 assists the operation of releasing the braked state by the pressure contact portion 211 being separated from the tread portion of the wheel 15.

  The drive rod 3 is rotatably provided on the coupling seat 14 of the handle frame 13 and has a brake position 30 (see FIG. 4) and a brake release position 31 (see FIG. 2). The drive rod 3 is connected to the brake rod 21 via the interlocking member 4. Therefore, depending on the position of the handle frame 13, the drive rod 3 can pull the brake rod 21 via the interlocking member 4 and rotate it to release the brake.

  As disclosed in FIGS. 3 to 6, the holding member 5 is rotatably fitted at an appropriate position of the handle frame 13. The holding member 5 has a limiting portion 51 and a pressing pressure gradient portion 52, and the limiting portion 51 and the pressing pressure gradient portion 52 are integrally molded. In the embodiment, the restricting portion 51 has a hook shape, and when the driving rod 3 rotates in the direction of the handle frame 13 and drives the brake rod 21 to apply the brake, the restricting portion 51 is restrained by the driving rod 3. The brake rod 21 is held so that the braked state can be maintained (see FIG. 4). When releasing the brake, the drive rod 3 is pulled again. When the driving rod 3 presses and rotates the holding member 5 along the pressing pressure gradient portion 52, the driving rod 3 is released from the restriction of the holding member 5, and returns to the brake release position 31 by the biasing force of the elastic member 22. (See FIG. 2).

  As is clear from the above description, since the holding member 5 has the pressing pressure gradient portion 52, when releasing the brake, the drive rod 3 is directly in the direction of the handle frame 13 with one hand (the same direction as when the brake is applied). ) By moving, the holding member 5 can rotate at the same time, and the restriction of the drive rod 3 can be released and returned to the brake release position 31. Therefore, the operation of releasing the brake is convenient.

  The above is a preferred embodiment of the present invention, and does not limit the scope of implementation of the present invention. Accordingly, any modifications or changes that can be made by those skilled in the art, which are made within the spirit of the present invention and have an equivalent effect on the present invention, all belong to the scope of claims for registration of the utility model of the present invention. Shall.

It is a perspective view of the walk auxiliary vehicle provided with the brake device by this device. It is a side view of the walking assistance vehicle disclosed in FIG. It is explanatory drawing which showed the state which attached the holding member in this invention. It is explanatory drawing which showed the state which applied the brake by this invention. It is explanatory drawing which showed operation | movement of the holding member in this device. It is explanatory drawing which showed operation | movement of the holding member and drive rod by this device.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Frame 11 Wheel set 12 Leg part 13 Hand grip frame 14 Connection seat 15 Wheel 2 Brake part 21 Brake rod 22 Elastic member 211 Pressure contact part 3 Drive rod 30 Brake position 31 Brake release position 4 Interlocking member 5 Holding member 51 Limiting part 52 Push Pressure gradient part

Claims (8)

A brake device that is provided on a handle frame of a frame that constitutes a walking assistance vehicle, and controls braking of a wheel or release of a brake, and includes a drive rod and a holding member,
The drive rod is rotatably provided on the handle frame and is connected to the brake device via an interlocking member, and the drive rod releases a brake position and a brake at which the brake device brakes a wheel. A brake release position,
The holding member includes a restricting portion and a pressing pressure gradient portion, and is provided rotatably on the handle frame. The restricting portion restrains the drive rod in a position near the handle frame of the drive rod. When the drive rod is held in the brake position and is rotated by pulling the drive rod in the direction of the handle frame, the holding pressure member is rotated by the pressing pressure gradient portion pressing the drive rod. A brake device for a walking assistance vehicle, wherein the brake device is configured to be returned to the position.   The brake device for a walking auxiliary vehicle according to claim 1, wherein the frame includes a leg portion, and a wheel set is coupled to a lower end of the leg portion.   The brake device further includes a brake rod and an elastic member, the brake rod prevents rotation of the wheel set, and the elastic member is configured to return the brake rod to the brake release position. The brake device for a walking auxiliary vehicle according to claim 1.   The brake device for a walking auxiliary vehicle according to claim 3, wherein the brake rod is provided rotatably on the wheel set, and the elastic member is provided between the brake rod and the wheel set. .   The brake device for a walking auxiliary vehicle according to claim 3, wherein the brake rod is rotatably provided on the leg portion, and the elastic member is provided between the brake rod and the leg portion.   The brake device for a walking auxiliary vehicle according to claim 3, wherein the elastic member is a tension spring.   The brake device for a walking assistance vehicle according to claim 1, wherein the limiting portion and the pressing pressure gradient portion of the holding member are integrally formed.   The brake device for a walking auxiliary vehicle according to claim 1, wherein a connecting seat is provided on each side in the longitudinal direction of the handle frame, and one end of the driving rod is rotatably connected to the connecting seat.

Images