JP3206393U - Brake device - Google Patents

Abstract

A brake device that is easy to operate and safe without requiring a strong force is provided. The brake device is mounted on the left and right handle ends of a bicycle, and is connected to the other end side of a brake wire, one end side of which is fixed to a brake mechanism disposed near the wheel, and the other end of the brake wire. In a brake device that brakes the wheel by pulling the side, it is formed of a hollow cylindrical body with a circular bottom surface at one end and an open end at the other end, and a protruding shape on the central region of the circular bottom surface A cylindrical shaft 11, a fixed portion 1 that accommodates and fixes the left and right handles inside the cylinder, and is disposed around the shaft of the fixed portion, and is wound around the other end of the brake wire. And an operation portion 2 formed of a projecting operation lever 21 having a vertical movement centering on the center of the cross section of the handle. [Selection] Figure 1

Description

  The present invention relates to a brake device that is installed on a handle and can stop traveling of a bicycle, and more particularly, to a brake device that is easy to operate and safe without requiring a strong force.

  In the brakes of current bicycles, the wire is pulled by pulling the brake lever attached to the handle to the front using the grip force, and the brake mechanism acts on the wheel according to the pulling force of the wire, and the wheel It is a mechanism to stop rotation. As described above, since the bicycle can be stopped by a simple operation of simply holding the brake device by hand, there is an advantage that the operation is easy to understand.

  Furthermore, conventionally, a brake device for facilitating handling of the brake operation has been proposed.

  As a conventional brake device, there is one in which a brake mechanism is raised at a grip end portion and a grip shape is formed in an L shape. For example, the grip can be rotated around an axis and integrated with the grip or the grip. A brake actuator-integrated grip is disclosed in which a brake wire is pulled by engaging a tip of a brake wire with a part of a rotating continuous body and turning the grip to operate the brake (see Patent Document 1).

  In addition, for example, a female screw part of the feed screw is provided at the tip of the grip, and a male screw part of the feed screw is similarly engaged with the female screw at the end of the handle, and the brake wire is passed through the hollow of the handle to the tip of the grip. It is fixed with a lock nut and an adjustment nut, and the brake wire is extended and contracted by moving and transmitting the force obtained by rotating the grip by applying the principle of the feed screw by combining the handle part and grip part of the bicycle. A bicycle braking device integrated with a rotary grip to perform is also disclosed (see Patent Document 2).

JP 2014-162365 A JP-A-11-321760

  However, the conventional brake device has a strong gripping force to sufficiently rotate the grip in order to apply the brake when the grip end portion of the brake device is L-shaped as in, for example, Patent Document 1 described above. And twisting the wrist are required, and a certain amount of familiarity is required, and the operability of the brake remains unfamiliar to general consumers. In addition, because the grip shape is a deformed shape different from the general shape, a certain amount of familiarity is required in order to require a different handle operation not only for normal operation but also for normal operation, The operability of the handlebars and brakes is not familiar to general consumers, and the operability remains difficult.

  In addition, for example, as in Patent Document 2 described above, in a case where a braking action is performed by extending and contracting a brake wire by moving and transmitting a force obtained by rotating the grip itself, the grip itself rotates. There is a risk that the hand and the grip may become unstable, and in order to apply the brake, a strong grip and twist of the wrist are required to fully rotate the grip, and a certain amount of familiarity is required. In addition, the operability of the brake is difficult to be familiar to general consumers and remains difficult to operate.

  As described above, the conventional brake device is required to have a strong gripping force and a wrist twist, so that the operability remains difficult. Especially for people with weak grip, injured hands and fingers, and people with disabilities in the hand, it is difficult to apply strong grip to the brake device itself, so apply the brakes sufficiently. As a result, there are many cases where the bicycle itself cannot be driven or given up driving.

  The present invention has been made to solve the above-described problems, and an object thereof is to provide a brake device that is easy to operate and safe without requiring a strong force.

The brake device disclosed in the present application is a brake device attached to the left and right handle end portions of the bicycle, and is connected to the other end side of the brake wire fixed at one end side to a brake mechanism arranged in the vicinity of the wheel. In the brake device that performs the brake operation on the wheel by the brake mechanism by pulling the other end side of the brake wire,
It is formed of a hollow cylindrical body having a circular bottom at one end and an open end at the other end, and has a protruding cylindrical shaft on the central region of the circular bottom, A fixed portion that accommodates and fixes the handle, and a winding portion that is disposed around the shaft of the fixed portion, winds the other end side of the brake wire, and winds in the circumferential direction, And an operation portion formed of a projecting operation lever having vertical mobility with the center of the cross section of the handle as the central axis.

  As described above, the cylindrical body is formed of a hollow cylindrical body having a circular bottom surface at one end and the other end being opened, and has a projecting columnar shaft on a central region of the circular bottom surface. A fixing portion that accommodates and fixes the left and right handles inside, and a winding portion that is disposed around the shaft of the fixing portion and winds the other end side of the brake wire to wind in the circumferential direction. And an operating portion formed of a protruding operating lever having a vertical movement centering on the center of the cross section of the handle, the protruding operating lever is moved vertically in the operating portion. By making it move, the other end side of the brake wire is pulled, and a firm brake operation can be realized by an easy operation of simply pushing the driver without requiring a gripping force.

Further, in the brake device disclosed in the present application, the projecting operation lever of the operation unit is disposed on the rear side or the front side with respect to the traveling direction of the bicycle as necessary. Thus, since the operation lever is disposed on the rear side or the front side with respect to the traveling direction of the bicycle, when the operation lever is disposed on the rear side, by pressing the operation lever,
In addition, when arranged on the front side, by pulling the operation lever, it is possible to easily perform a braking operation without requiring a gripping force, and a flexible brake design corresponding to the driver's needs becomes possible. .

  Moreover, the brake device disclosed in the present application includes an auxiliary fixing portion connected to the operation lever on the handle terminal side of the operation portion as necessary. Thus, since the auxiliary fixing part connected to the operation lever is provided on the handle end side of the operation part, the operation of the operation lever can be more firmly fixed, and the gripping force and the like are more stable and strong. Reliable braking operation can be performed without requiring force.

  Further, in the brake device disclosed in the present application, the winding unit constituting the operation unit winds in the circumferential direction about the center of the cross section of the handle as a central axis, if necessary. In this way, since the winding part constituting the operation part winds up in the circumferential direction with the cross-sectional center of the handle as the central axis, it is only possible to move the protruding operation lever up and down in accordance with the lever principle. By the simple operation of simply pushing, the force to pull the brake wire is amplified even with a weak force, and the other end of the brake wire is pulled more efficiently, and the driver needs a grip force. A strong braking operation can be realized by an easy operation of simply pressing with a weak force.

1 is a cross-sectional view illustrating a configuration of a brake device according to a first embodiment of the present invention. The explanatory view showing the appearance composition of the brake equipment concerning a 1st embodiment of the present invention, and the sectional view from the side for showing an operation are shown. The sectional view from the side showing the composition of the control lever of the brake equipment concerning a 1st embodiment of the present invention is shown. The sectional view from the side showing the composition of the control lever of the brake equipment concerning a 1st embodiment of the present invention is shown. The explanatory view showing the state where the brake device concerning a 1st embodiment of the present invention was joined to the handle of a bicycle is shown. Explanatory drawing showing the external appearance structure of the brake device which concerns on other embodiment of this invention is shown.

(First embodiment)
Hereinafter, the brake device according to the first embodiment will be described with reference to FIGS.

  As shown in FIG. 1, the brake device according to the first embodiment is a brake device that is attached to the ends of the left and right handles 100 of a bicycle, and one end side is fixed to a brake mechanism disposed near the wheel. In the brake device that connects to the other end side of the brake wire and pulls the other end side of the brake wire, the brake mechanism performs a braking operation on the wheel, and the other end is opened with a circular bottom surface. A hollow cylindrical body, and a projecting columnar shaft 11 on the center area of the circular bottom surface. The left and right handles 100 are accommodated and fixed inside the cylindrical body. Part 1 and a winding part 22 that is disposed around the shaft 11 of the fixed part 1 and winds the other end of the brake wire and winds it in the circumferential direction. An operation unit 2 which is formed from the protruding operation lever 21 having a movable vertical as mandrel is configured to include.

  The material of the fixing part 1 is not particularly limited, and various synthetic resins and metals can be used, preferably an aluminum material, and more preferably an alumite-treated aluminum material. The material of the protruding cylindrical shaft 11 is not particularly limited, and various synthetic resins and metals can be used, preferably an aluminum material, and more preferably an anodized aluminum material. It is. The shaft 11 is arranged in a cylindrical shape with the center of the circle on the circular bottom surface as the axis center.

  The material of the operation unit 2 is not particularly limited, and various types of synthetic resins and metals can be used. The operation unit 2 is preferably an aluminum material, and more preferably an anodized aluminum material. The winding portion 22 is disposed along the periphery of the shaft 11 of the fixed portion 1, and winds the other end side of the brake wire in the circumferential direction.

  The material of the protruding operation lever 21 is not particularly limited, and various synthetic resins and metals can be used, preferably an aluminum material, and more preferably an anodized aluminum material. Since the driver directly touches and presses the hand at the time of braking, a material having a better touch feeling is preferable, and for example, a synthetic rubber or a plastic can be used.

  In other words, since it is formed of such a material, a material that is familiar to the driver's hand, such as metal or resin, can maintain a state in which the brake device and the driver's hand are highly fixed, thereby further improving stability. It can be raised to support brake operation. In addition, when used by the driver, since it is a material that is conventionally used, it is possible to obtain an excellent feeling of use that it is difficult to feel a sense of incongruity due to the operation lever 21.

  As shown in FIG. 1 (b), the protruding operation lever 21 can be formed by detachably fitting the operation lever 2 shown in FIG. 1 (a). Maintenance properties such as replacement and repair can be improved. In addition, it is not limited to this form, For example, it is also possible to form the protrusion-shaped operation lever 21 in the operation part 2 integrally.

  In addition, the arrangement position of the projecting operation lever 21 is not particularly limited as long as it is a position where the driver's hand hits, but preferably, it is a position corresponding to the palm as shown in FIGS. . According to the inventor of the present invention, the brake device having such a configuration is also named a palm brake bar (palm brake lever) from the viewpoint of causing a brake operation against a palm (for example, pushing down with a palm). .

  Further, it is preferable that an auxiliary fixing portion 3 connected to the operation lever 21 is provided on the handle end side of the operation portion 2.

  The material of the auxiliary fixing portion 3 is not particularly limited, and various synthetic resins and metals can be used. For example, a plastic cap can be used, but preferably an aluminum material is used. It is a cap, and more preferably an alumite-treated aluminum material cap.

  Thus, since the auxiliary fixing portion 3 connected to the operation lever 21 is provided on the handle end side of the operation portion 2, the operation of the operation lever 21 can be more firmly fixed, and more stably, A reliable braking operation can be performed without requiring a strong force such as a gripping force. Even if the auxiliary fixing portion 3 is not provided, the operation lever 21 can be stabilized by moving the operation lever 21 toward the center of the left and right handles and setting it deeply. Is possible.

  Further, the winding portion 22 is not particularly limited as long as the other end side of the brake wire 200 is wound and wound in the circumferential direction. More preferably, the winding portion 22 is wound around the center of the cross section of the handle 100 as a central axis. It is the structure which winds in the direction. Thus, since the winding part 22 which comprises this operation part 2 winds in the circumferential direction centering on the cross-sectional center of the handle | steering-wheel 100, according to the principle of leverage, a protrusion-shaped operation lever can be moved to an up-down direction. Only by pushing, the force to pull the brake wire is amplified even with a weak force, and the other end side of the brake wire is pulled more efficiently, and the driver needs a gripping force. Therefore, a strong brake operation can be realized by an easy operation of pushing with a weak force.

  That is, the brake mechanism operated by this brake device is based on the same principle as the well water pulley, and in the case of the well water pulley, as shown in FIG. In addition, even if the rod (protruding operation lever 21) protrudes from the center of the pulley around which the brake wire 200 is wound and is pushed down with a weak force by a very simple operation of pushing down the rod, the central axis of the handle The brake wire 200 wound on the pulley is strongly pulled by a long distance on the circumference of the pulley according to the principle of leverage, and the force that pushes down the rod with the fulcrum as a fulcrum is a strong braking action. It is an excellent mechanism for obtaining power.

  Further, as shown in FIG. 3A, the operation lever 21 can be disposed on either the rear side or the front side with respect to the traveling direction of the bicycle. That is, as shown in FIG. 3B, when the brake wire 200 is wound backward from the traveling direction when the shaft of the pulley is the center of the steering wheel, by pushing down the backward operation lever 21 on the opposite side, As shown in FIG. 3 (c), the brake mechanism operates to stop the bicycle.

  Further, as shown in FIG. 4A, when the operation lever 21 is disposed forward, when the brake wire 200 is wound forward from the traveling direction, the operation lever 21 is stopped by pulling the operation lever 21. When the brake wire 200 is wound backward from the traveling direction, as shown in FIG. 4B, the brake mechanism is actuated by pushing down the operation lever 21 to stop the bicycle.

  As shown in FIG. 5A, the brake device is fixed to the end portion of the handle 100, and may be detachable from the handle 100 as shown in FIG. 5B. As shown in FIG. 5C, by pushing the operation lever 21, a braking operation can be performed on the bicycle wheel by the tensile force of the brake wire 200.

  That is, the brake device is a mechanism that pushes down the operating lever 21 with the palm in a rearward direction when disposed on the rear side with respect to the traveling direction of the bicycle. Further, when it is disposed on the front side with respect to the traveling direction of the bicycle, it is a mechanism that is pushed backward with the palm. A mechanism for pushing down or pulling up the operation lever 21 forward is possible.

  Since the difference in the configuration (mechanism) when arranged on the rear side or the front side is the difference in the winding method of the brake wire 200 and the direction of the operation lever 21, the design between the mechanisms is simplified. Since these mechanisms are designed so that the same parts can be used on both the left and right sides, the two mechanisms are inherently exchangeable without requiring a separate design or member, In any mechanism, if one mechanism is made, the other mechanism is also made, and a brake device that operates differently with a different mechanism can be easily manufactured.

  As described above, since the operation lever 21 is disposed on the rear side or the front side with respect to the traveling direction of the bicycle, when the operation lever 21 is disposed on the rear side, by pressing the operation lever 21, In the case of being arranged on the front side, by pulling the operation lever 21, a braking operation can be easily performed without requiring a gripping force, and a flexible brake design according to the driver's needs becomes possible.

  From such a configuration, the other end side of the brake wire 200 is pulled when the driver of the bicycle moves the protruding operation lever 21 in the operation unit 2 in the vertical direction, that is, by pushing or pulling. A firm braking operation can be realized by an easy operation of pushing the driver without requiring a grip force.

(Other embodiments)
The arrangement position of the operation lever 21 is not limited to the position corresponding to the palm as shown in the above embodiment. For example, as a brake device according to another embodiment, the position of the operation lever 21 is changed. For example, as in the first embodiment, the fixing portion 1, the shaft 11, The operation unit 2, the operation lever 21, and the winding unit 22 are configured. As shown in FIG. 5, the operation lever 21 is disposed on the thumb side of the driver.

  As described above, in the brake device according to each of the above embodiments, since the position of the operation lever 21 is disposed on the thumb side of the driver, gripping force is unnecessary and it is easy to simply press the operation lever 21 with the thumb. With proper operation, a firm brake operation can be realized.

DESCRIPTION OF SYMBOLS 1 Fixing part 11 Axis 2 Operation part 21 Operation lever 22 Winding part 3 Auxiliary fixing part 100 Handle 200 Brake wire

Claims (4)

A brake device attached to the left and right handle ends of a bicycle, connected to the other end of the brake wire, one end of which is fixed to a brake mechanism arranged near the wheel, and the other end of the brake wire is pulled In the brake device that performs a brake operation on the wheel by the brake mechanism,
It is formed of a hollow cylindrical body having a circular bottom at one end and an open end at the other end, and has a protruding cylindrical shaft on the central region of the circular bottom, A fixing portion for receiving and fixing the handle;
It has a winding portion that is arranged around the shaft of the fixed portion, winds the other end of the brake wire and winds it in the circumferential direction, and is movable in the vertical direction with the cross-sectional center of the handle as the central axis An operating portion formed from a projecting operating lever having
A brake device comprising: The brake device according to claim 1, wherein
The brake device according to claim 1, wherein the projecting operation lever of the operation unit is disposed on the rear side or the front side with respect to the traveling direction of the bicycle. The brake device according to claim 1 or 2,
A brake device comprising an auxiliary fixing portion connected to the operation lever on a handle terminal side of the operation portion. In the brake device according to any one of claims 1 to 3,
The brake device, wherein the winding portion constituting the operation portion winds in the circumferential direction with the cross-sectional center of the handle as a central axis.

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