JP4582323B2 - Brake grip device - Google Patents

Description

  The present invention relates to a brake grip device that is attached to a handle of a traveling vehicle such as a wheelchair, a walker, or a silver car, and is connected to a brake attached to a wheel with a wire to operate the brake.

  In the wheelchair for assistance, a caliper brake is attached to the handle portion in order to suppress acceleration on a slope. In addition, a parking brake is provided separately for parking the wheelchair. Thus, in the case of a wheelchair or the like, the caliper brake is provided at or near the handle. However, the parking brake is often provided near the wheel away from the handle. When parking with the wheelchair stopped, the assistant must turn to the front of the wheelchair and apply the parking brake. It was.

  Various improvements have been made to the safety and operation aspects of the device for brake devices such as wheelchairs. For example, in Patent Document 1, an operation lever is pivotally attached to a board attached to the front side of a wheelchair frame, and a cam plate having an inverted V-shaped groove is formed on the swing base of the operation lever. The base end of a swingable brake arm having a portion at the tip is pivotally attached to the board, and one end is pivotally attached to the intermediate part of the external brake arm and the other end is pivotally attached to the middle of the toggle link. A cam roller that is pivotally supported by the pin is fitted in the inverted V-shaped groove of the cam plate, and a stopper that stops the toggle link operation by abutting the link at a position where the toggle ring slightly exceeds the dead point is used as the link. Also, a wheelchair braking device is disclosed in which the other end of a return spring, one end of which is attached to a substrate, is engaged with the brake arm. This brake device can brake the wheel even if the operation lever is pulled forward or pushed forward, and can be stopped and parked by further pressing.

  In the brake device of Patent Document 2, a brake lever is disposed in a part of the handle portion, and is disposed in the vicinity of the grip portion of the handle portion. The brake is pivotally supported on a fixed substrate of the grip portion. A lock mechanism that fixes the movement of the brake wire that connects between the lever and the brake provided on the front wheel or rear wheel of the wheel portion at a predetermined position is arranged, and the brake wire is moved by rotating the brake lever. A configuration is disclosed in which the pivot position of the brake lever is fixed by the lock mechanism when operated.

  In Patent Document 3, a first brake and a second lever are provided on a drum brake, the first lever is connected to a brake lever of a handle portion of a wheelchair or the like with a wire, and a brake when the assistant operates the wheelchair from the rear portion. Become. Further, by connecting the second lever to a lever near a wheel such as a wheelchair, it becomes a brake when the occupant himself operates the wheelchair, and also serves as a parking brake.

On the other hand, it is desirable that brake devices for assisting wheelchairs, walkeres, silver cars and the like can be operated by hand at the brake operation of the caliper brake and the parking brake. Many walker and silver cars are not equipped with parking brakes, and there is a danger of moving naturally when left on a slope. In addition, it is very convenient to have a parking brake at hand when taking a rest for a walking car with a seat such as a silver car. For this reason, when a parking brake is separately installed, there is an extra cost, and it is almost never installed. At present, a parking brake that is inexpensive and can be used at the same position as the caliper brake is desired. Yes.
JP-A-10-219 Utility Model Registration No. 3061180 JP 2004-136084 A

  The present invention provides a brake device that can easily operate both a caliper brake and a parking brake on a traveling vehicle such as an assisting wheelchair, a walker, and a silver car. is there.

  As a result of intensive research to solve the above problems, it is possible to easily operate both the caliper brake and the parking brake by attaching it to the handlebar grip of a traveling vehicle such as an assisting wheelchair, walker, silver car, etc. A brake grip device was successfully created.

  A first feature of the present invention is that a main body comprising a grip frame and a grip plate attached to a grip of a traveling vehicle, a grip lever for pulling a wire, and a connecting plate for connecting the grip lever to the grip plate, The brake grip device according to claim 1, further comprising a recess into which the tip of the grip lever is fitted in the middle of the grip plate. In the present invention, the traveling vehicle refers to an assisting wheelchair, a walker, a silver car, and the like, and is a brake grip device that can be easily attached to a grip portion of such a traveling vehicle. A recess is provided in which the tip of the grip lever is fitted.

  The second feature of the present invention is the brake grip device according to claim 1, wherein when the grip lever is pulled up in the grip frame direction, a caliper brake is formed. When the brake lever is pulled up as in a normal brake operation, it becomes a caliper brake, and the speed can be adjusted by braking the wheel while the traveling vehicle is moving.

  According to a third aspect of the present invention, when the grip lever is pulled down and the tip of the grip lever is fitted into a recess provided in the middle of the grip plate, a parking brake is provided. A brake grip device according to claim 1. When the grip lever is pulled down, the tip of the grip lever is fitted into a recess provided in the middle of the grip plate, and the grip lever is fixed with the brake wire pulled, and acts as a parking brake. The parking brake can be applied to the traveling vehicle with a simple operation by simply lowering the grip lever.

  By allowing the caliper brake and the parking brake to be operated at the same place, there is an effect that the brake operation can be performed at hand without having to move around the traveling vehicle to apply the parking brake. In addition, the caliper brake and parking brake can be operated by simply pulling the brake lever up and down. Furthermore, since the brake operation can be performed at hand, the forgetting to apply the parking brake is eliminated, and there is no danger of the left traveling vehicle starting to move naturally.

  Embodiments of the brake grip device of the present invention will be described below in detail with reference to the drawings, but the present invention is not limited to the following embodiments.

  FIG. 1 is a perspective view in which the grip frame 11 and the grip plate 12 of the brake grip device 100 are divided in half. The brake grip device 100 of the present invention includes a main body including a grip frame 11 and a grip plate 12, a grip lever 13 for performing a brake operation, and a connecting plate 17 for attaching the grip lever 13 to the grip plate 12. The connecting plate 17 has a wire fixing portion 18 (see FIG. 6-2) for fixing the wire 19. The wire 19 connected to the connecting plate 17 is taken out from the wire take-out port 22 of the grip plate, and the wire 19 and the brake are braked. (Not shown) is connected. By operating the grip lever 13, the connecting plate 17 moves, and the wire 19 connected to the connecting plate 17 operates the brake. When used as a caliper brake, as shown in FIG. 1, when the grip lever 13 is pulled in the direction of the grip (in the direction of the arrow), the connecting plate 17 is moved to the grip side with the screw (1) 20 of the connecting plate 17 as a fulcrum. The wire 19 connected to the connecting plate 17 is pulled by being pulled, and the brake is activated.

  FIG. 2 is a perspective view in which the grip frame 11 and the grip plate 12 of the brake grip device 100 are halved as in FIG. When the grip lever 13 is pulled in the direction opposite to the grip frame 11 (in the direction of the arrow), the grip lever 13 is pulled down using the screw (2) 21 as a fulcrum, and the connecting plate 17 uses the screw (1) 20 as a fulcrum. As a result, the connecting plate 17 is pulled up toward the grip frame 11, and the wire 19 connected to the connecting plate 17 is pulled to operate as a parking brake.

  As described above, when the brake grip device 100 is used as a parking brake, the grip lever 13 can be pulled down using the screw (2) 21 as a fulcrum. In this case, as shown in FIG. 3, the tip end portion 14 of the grip lever is fitted into a recess 15 (see FIG. 4B) in which the grip plate 12 is fitted, and the grip lever 13 is locked to the grip plate 17. When the grip lever 13 is engaged with the grip plate 17, the brake wire 19 remains pulled, and the brake grip device 100 functions as a parking brake. When the parking brake is released and used as a caliper brake, if the grip lever 13 is pulled up, the brake lever can be easily detached from the recess 15 into which the front end portion 14 of the brake lever is fitted to be used as a caliper brake.

  FIG. 4 shows the structure of the main body 10 of the brake grip device comprising the grip frame 11 and the grip plate 12. FIG. 4A shows the structure of the grip frame 11 and the grip plate 12 from below. As shown in FIG. 4B, the main body 10 of the brake grip device includes a grip frame 11 and a grip plate 12. As shown in FIG. 4B, the grip plate 12 has a screw hole 20a for attaching the connecting plate 17, an outlet for the wire 24 connected to the connecting plate, and a recess 15 for fitting.

  The attachment method to the traveling vehicle is not particularly limited, and the attachment method and the attachment position can be appropriately changed depending on the type of traveling vehicle and the purpose of use of the traveling vehicle. For example, a method of inserting the grip frame 11 into the handle frame of the traveling vehicle or a fixing portion 23 for attaching to the handle of the traveling vehicle is provided below the grip plate 12, and the fixing portion 23 is attached to the handle of the traveling vehicle. As shown in FIG. 5 or FIG. 5, the grip frame 11 is mounted on the grip plate 12 in front of the handle of the traveling vehicle so that the grip lever 13 portion of the brake grip device is located under the handle of the traveling vehicle. Examples of the method to be used.

  6 shows the structure of the connecting plate 17. As shown in FIG. 6A, the connecting plate 17 has a box shape in which the side surface of the connecting plate 17 has a wire fixing portion 18 and a side groove 24 for taking out the wire. Yes. As shown in FIG. 6B, the side surface of the connecting plate 17 is provided with a screw hole (1) 20a and a screw hole (2) 21a, and the screw hole (1) 20a is rotatable to the grip plate 12. The screw hole (2) 21a is a screw hole for pivotally attaching the grip lever 13 rotatably. Furthermore, a wire fixing portion 18 for fixing through the wire 19 is provided inside the connecting plate 17.

  FIG. 7 shows a perspective view (FIG. 7-1) and a side view (FIG. 7-2) of the grip lever 13. The grip lever 13 may be pulled up or down. Since the grip lever 13 is lifted in the case of a caliper brake and pulled down in the case of a parking brake, as shown in FIG. 7A, the grip portion of the grip lever 13 has a triangular shape 13a so that it can be easily operated by hooking a finger. A hole is provided. Further, a gap for inserting the connecting plate 17 is provided at the tip of the grip lever 13, and is pivotally attached by a screw. FIG. 7-2 shows a top view of the grip lever.

It is a fragmentary perspective view in the case of using the grip apparatus of a brake as a caliper brake. It is a fragmentary perspective view in case the grip apparatus of a brake is used as a parking brake. It is a fragmentary perspective view of the grip apparatus of a brake which shows the locked state of a parking brake. It is a side view of a handle frame. It is a fragmentary perspective view which shows another aspect of a handle frame. It is a side view of a connection plate. It is a perspective view of a grip lever.

Explanation of symbols

DESCRIPTION OF SYMBOLS 100: Brake grip apparatus 10: Brake grip apparatus main body 11: Grip frame 12: Grip plate 13: Grip lever 14: Grip lever tip 15: Fitting recess 17: Connection plate 18: Wire fixing part 19: Wire 20: Screw (1)
21: Screw (2)
22: Wire outlet 23: Fixing portion 24 attached to the handle 24: Side groove for taking out the wire 25: Gap for inserting the connecting plate

Claims (3)

The grip frame 11 and the grip plate 12 having a wire outlet port 22 for taking out the wire 19 connected to the connecting plate 17, the grip lever 13 for performing a brake operation, and the grip lever 13 are attached to the grip plate 12. A wire fixing portion 18 for fixing the wire 19 to the connecting plate 17; the wire 19 connected to the connecting plate 17 is taken out from the wire outlet 22 of the grip plate; the wire 19 and a brake are connected; A brake grip device, wherein the connecting plate 17 is moved by the operation of the grip lever 13, and the wire 19 connected to the connecting plate 17 can actuate the brake . 2. The brake according to claim 1, wherein a concave portion into which the tip of the grip lever 13 is fitted is provided in the middle of the grip plate 12 , and a caliper brake is formed when the grip lever 13 is pulled up in the direction of the grip frame 11 . Grip device The brake according to claim 1 or 2, wherein when the grip lever 13 is pulled down and a tip portion of the grip lever 13 is fitted into a recess provided in the middle of the grip plate 12 , a parking brake is provided. Grip device.

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