JP2013177096A - Brake lever - Google Patents

Abstract

PROBLEM TO BE SOLVED: To effectively apply gripping force to a lever body.SOLUTION: A brake lever 1 comprises a lever body 12 having a brake wire connected to a base end part 11, and a connecting member 15 connected to a handle 13 and supports the lever body 12 rotatably around the base end part 11, wherein the connecting member 15 is connected to the handle 13 under a state in which its extremity end 22 is supported to be advanced forward and moved rearward with respect to a grip 14 of the handle 13 accompanying rotation of the lever body 12 around the base end part 11, a middle part 23 between the extremity end 22 and the base end part 11 of the lever body 12 is formed with a first bent part 24, and the connecting member 15 is connected to the handle 13 under a state in which the lever body 12 is supported so that the first bent part 24 is supported to be bulged out toward in a direction opposite to the grip 14.

Description

  The present invention relates to a brake lever.

  Conventionally, as shown in, for example, Patent Document 1 below, a lever main body to which a brake wire is connected to a base end portion, and a connection that is connected to a handle and supports the lever main body rotatably around the base end portion. A brake lever including a member is known. The connecting member is connected to the handle in a state in which the lever main body is supported so that the distal end of the lever main body advances and retreats with respect to the handle grip as the base body rotates.

JP-A-8-156867

  However, the conventional brake lever has room for improvement with respect to generating a stable braking force by effectively applying a gripping force to the lever body.

  The present invention has been made in view of such circumstances, and an object thereof is to provide a brake lever that can effectively apply a gripping force to the lever body.

  In order to solve the above-described problems and achieve such an object, a brake lever according to the present invention includes a lever body to which a brake wire is coupled to a base end portion, a handle to which the brake wire is coupled, A connecting member that rotatably supports a base end portion, and the connecting member moves the lever body forward and backward with respect to the handle grip as the lever body rotates about the base end portion. A brake lever connected to a handle in a state of being supported, and a first bent portion is formed in an intermediate portion between the distal end portion and the proximal end portion of the lever main body, The connecting member is connected to a handle in a state where the lever main body is supported so that the first bent portion bulges away from the grip side.

According to the present invention, since the first bent portion is formed in the middle part of the lever body, all but the thumb is placed with the palm placed on the grip and the grip sandwiched between the palm and the thumb. When the finger is attached to the lever body so that it touches the outer surface of the lever body facing away from the grip side (hereinafter, when the hand is in the standby position), the middle finger is placed on the lever body. By making the outer surface contact with the portion where the first bent portion is located, the portion that contacts the outer surface of the lever main body is made easy to be the same part, such as a distal joint portion, for all fingers except the thumb. be able to.
Therefore, it is possible to suppress the gripping force applied to the lever body from being varied at each position along the length direction of the lever body, and the gripping force can be effectively applied to the lever body.

  Here, in the intermediate part of the lever main body, the second bent part that bends in the direction opposite to the first bent part may be formed in the part that continues to the first bent part from the base end side. Good.

  In this case, the second bent portion is formed in the middle portion of the lever body, the connecting member bulges the lever body with the first bent portion facing away from the grip side, and the second bent portion is on the grip side. When the hand is in the standby posture, the middle finger is brought into contact with the portion of the outer surface of the lever body where the first bent portion is located, and the index finger is placed on the lever body. By bringing the outer surface into contact with the portion where the second bent portion is located, the above-described effects can be reliably achieved.

  In addition, a third bent portion that bends in the direction opposite to the first bent portion may be formed in a portion of the intermediate portion of the lever body that is continuous with the first bent portion from the tip end side.

  In this case, the third bent portion is formed in the intermediate portion of the lever body, the connecting member bulges the lever body with the first bent portion facing away from the grip side, and the third bent portion is on the grip side. When the hand is in the standby posture, the middle finger is brought into contact with the portion of the outer surface of the lever body where the first bent portion is located, and the ring finger is placed in the lever body. By bringing the outer surface into contact with the portion where the third bent portion is located, the above-described effects can be reliably achieved.

  In addition, a bulge support portion that bulges toward the opposite side of the grip side in a state where the coupling member is coupled to the handle may be formed at the distal end portion of the lever main body.

  In this case, since the bulging support portion is formed at the distal end portion of the lever main body, when a gripping force is applied to the lever main body, the little finger is placed on the base end portion side of the lever main body on the surface of the bulging support portion. By abutting on the facing surface, the little finger can be prevented from slipping off the outer surface of the lever main body and coming off from the tip end portion.

  In addition, the connecting member includes a grip of the whole lever body in a direction in which the lever body moves forward and backward with respect to the grip as the base member rotates with the connecting member connected to the handle. An adjustment means capable of adjusting the distance to is provided.

  In this case, since the connecting member is provided with an adjusting means, it becomes possible to adjust the above-mentioned distance with respect to the grip of the entire lever body according to the size of the hand, for example, for children and adults. The parts can be made common without being different, or can be finely adjusted by the purchaser.

  According to this invention, a gripping force can be effectively applied to the lever body.

It is a top view which shows the state which mounted | wore the handle | steering-wheel lever shown as one Embodiment which concerns on this invention. FIG. 2 is a perspective view of FIG. 1. It is a top view which shows the state which made the whole lever main body close to the grip side from the state shown in FIG. 1 and FIG. It is a top view which shows the state which mounted | wore the handle | steering-wheel lever shown as other 1st Embodiment based on this invention. It is a top view which shows the state which mounted | wore the handle | steering-wheel brake lever shown as other 2nd Embodiment based on this invention. It is a top view which shows the state which mounted | wore with the brake lever shown as other 3rd Embodiment which concerns on this invention. It is a top view which shows the state which mounted | wore with the brake lever shown as other 4th Embodiment which concerns on this invention. It is a top view which shows the state which mounted | wore with the brake lever shown as other 5th Embodiment concerning this invention.

Embodiments of the present invention will be described below with reference to the drawings.
As shown in FIGS. 1 and 2, the brake lever 1 according to the present embodiment is connected to a lever main body 12 to which a brake wire is connected to a base end portion 11 and a handle 13. And a connecting member 15 that is rotatably supported around the base end portion 11.
The connecting member 15 is connected to the handle 13 in a state in which the lever main body 12 is supported so that the distal end portion 22 thereof advances and retreats with respect to the grip 14 of the handle 13 with the rotation around the base end portion 11. The brake wire moves the brake shoe forward and backward with respect to the wheel, and switches between braking and releasing of the wheel.
Hereinafter, a center line passing through the center formed by the cross section of the grip 14 is referred to as a grip axis O, a direction perpendicular to the grip axis O is referred to as a grip radial direction, and a direction around the grip axis O is referred to as a grip circumferential direction. Note that the grip radial direction coincides with the direction in which the lever main body 12 advances and retreats with respect to the grip 14 as the base body 11 rotates about the base end portion 11.

Here, in the handle 13 to which the brake lever 1 is attached, a clamp member 16 is attached to a portion that protrudes from the grip 14 toward the tip side of the grip 14 along the grip axis O direction.
The clamp member 16 is a cylindrical body having a C-shape when viewed from the grip axis O direction, and a flange portion 16a projects from the side of the C-shaped side opening toward the outside of the clamp member 16. Has been. The screw member 17 is integrally penetrated in these flange portions 16a, and the both flange portions 16a are sandwiched so as to approach each other, whereby the clamp member 16 is reduced in diameter and is fitted to the protruding portion of the handle 13. ing.
The clamp member 16 is provided with a mounted portion 16b protruding outward in the grip radial direction. The mounted portion 16b is disposed at a position shifted about 90 ° in the grip circumferential direction about the grip axis O with respect to the position where the flange portion 16a is disposed. The mounted portion 16b is a rectangular plate. The front and back surfaces of the mounted portion 16b face the direction in which the side opening of the clamp member 16 opens. A through-hole penetrating in the thickness direction is formed in the mounted portion 16b.

The connecting member 15 of the brake lever 1 is mounted on the mounted portion 16b.
The connecting member 15 includes a pair of connecting plates 15a that sandwich the mounted portion 16b in the thickness direction. Each connecting plate 15a is connected to the mounted portion 16b and extends from the base 18 extending in the grip radial direction, and from the outer end of the base 18 in the grip radial direction to the front end side of the grip 14 along the grip axis O direction (FIG. 1). And a projecting portion 19 projecting toward the left side), and is formed in an L shape in plan view. The pair of connecting plates 15a are connected to each other at a portion facing the tip side of the grip 14 along the grip axis O direction.

Each base portion 18 is formed with a long hole (adjusting means) 18a penetrating in the thickness direction and extending in the grip diameter direction. The connecting member 15 is connected to the handle 13 by mounting the screw member 29 integrally through these long holes 18a through the through hole of the mounted portion 16b.
In the base portion 18, a mounting hole into which a later-described support shaft 21 is fitted is formed in a portion located outside the elongated hole 18 a in the grip radial direction. This mounting hole is formed at the outer end of the base 18 in the grip radial direction.

The lever body 12 is supported by the connecting member 15 in a posture extending in the grip axis O direction.
The base end portion 11 of the lever body 12 is connected to the distal end side of the grip 14 along the grip axis O direction of the protruding portion 19 from the outer end portion of the base portion 18 in the grip radial direction in each of the pair of connecting plates 15a (right side in FIG. 1). ). A hole is formed in the base end portion 11 of the lever main body 12, and the lever main body 12 can be rotated around the base end portion 11 by the connecting member 15 by inserting the support shaft 21 into the hole. It is supported. Of the base end portion 11 of the lever main body 12, a hole through which the support shaft 21 is inserted is formed at the inner end portion in the grip radial direction, and a wire is connected to the outer end portion in the grip radial direction. 20 is rotatably connected.
The lever body 12 extends from the base end portion 11 toward the distal end side of the grip 14 along the grip axis O direction. The lever body 12 gradually extends toward the outer side in the grip radial direction from the base end portion 11 side toward the distal end portion 22 side. In the plan view of the brake lever 1, the inclination angle of the lever body 12 with respect to the grip axis O is, for example, about 25 ° in accordance with the inclination angle of the base of the thumb with respect to the direction orthogonal to the wrist in the plan view of the palm. ing.

  In the above configuration, in a state where the screw member 29 is loosened with respect to the connecting member 15, the connecting member 15 and the lever body 12 are integrally slid in the grip radial direction with respect to the grip 14 and the clamp member 16, and FIG. As shown in FIG. 1 and FIG. 3, the distance in the grip radial direction with respect to the grip 14 of the entire lever body 12 can be adjusted by changing the position of the screw member 29 in the grip radial direction with respect to the long hole 18a.

A first bent portion 24 is formed in an intermediate portion 23 between the base end portion 11 and the distal end portion 22 in the lever main body 12.
And the connection member 15 becomes a structure connected with the handle | steering-wheel 13 in the state which supported this lever main body 12 so that the 1st bending part 24 might bulge toward the opposite side to the grip 14 side. In the illustrated example, the outer surface of the surface of the first bent portion 24 that faces away from the grip 14 side is formed in a curved surface that protrudes toward the opposite side of the grip 14.

  In addition, a second bent portion 25 that is bent in the direction opposite to the first bent portion 24 is formed in a portion of the intermediate portion 23 of the lever body 12 that is continuous with the first bent portion 24 from the base end portion 11 side. Yes. Furthermore, a third bent portion 26 that bends in the direction opposite to the first bent portion 24 is formed in a portion of the intermediate portion 23 of the lever body 12 that is continuous with the first bent portion 24 from the distal end portion 22 side. . The radii of curvature of the first bent portion 24, the second bent portion 25, and the third bent portion 26 in the plan view of the brake lever 1 are equal to each other.

  Further, a bulge support portion 27 that bulges toward the opposite side to the grip 14 side in a state where the coupling member 15 is coupled to the handle 13 is formed at the distal end portion 22 of the lever main body 12. The bulging support portion 27 is smoothly connected to the third bent portion 26 without a step. Further, of the surface of the bulging support portion 27, the surface facing the base end 11 side of the lever main body 12 gradually increases from the front end 22 side to the base end portion of the lever main body 12 from the outer side to the inner side in the grip radial direction. It extends toward the 11th side. The bulge support part 27 is formed in a protruding curved surface shape having no corners as a whole.

As described above, according to the brake lever 1 according to the present embodiment, since the first bent portion 24 is formed in the intermediate portion 23 of the lever main body 12, the palm is placed on the grip 14 and the grip 14 is attached. When all the fingers except the thumb are attached to the lever main body 12 so as to abut the outer surface facing the grip 14 side of the surface of the lever main body 12 with the palm being sandwiched between the palm and the thumb (hereinafter referred to as the following) When the hand is in the standby posture), the middle finger is brought into contact with the portion of the outer surface of the lever main body 12 where the first bent portion 24 is located, so that the lever main body For example, the portion of the twelve abutting against the outer surface can be easily set to the same portion such as a distal joint portion.
Accordingly, it is possible to suppress the gripping force applied to the lever main body 12 from being varied at each position along the length direction of the lever main body 12, and to effectively apply the gripping force to the lever main body 12. it can.

  Further, the second bent portion 25 and the third bent portion 26 are formed in the intermediate portion 23 of the lever main body 12, and the connecting member 15 faces the lever main body 12 and the first bent portion 24 faces the grip side. And the second bent portion 25 and the third bent portion 26 are supported so as to bulge toward the grip 14, so that when the hand is in the standby posture, the middle finger is placed on the outer surface of the lever body 12. Of the lever body 12, the index finger is brought into contact with the portion of the outer surface of the lever main body 12 where the second bent portion 25 is located, and the ring finger is further brought into contact with the lever main body 12. The above-mentioned operation and effect are reliably achieved by abutting against the portion of the outer surface where the third bent portion 26 is located.

Further, since the bulging support portion 27 is formed at the distal end portion 22 of the lever main body 12, when a gripping force is applied to the lever main body 12, the little finger is placed on the surface of the bulging support portion 27 on the lever main body 12. By making contact with the surface facing the base end portion 11 side, it is possible to prevent the little finger from sliding off the distal end portion 22 on the outer surface of the lever main body 12.
Further, since the elongated hole 18a is formed in the connecting member 15, the distance in the grip radial direction with respect to the grip 14 of the entire lever body 12 can be adjusted according to the size of the hand. And adults can use the same parts without different parts, or the purchaser can make fine adjustments.

  The technical scope of the present invention is not limited to the above embodiment, and various modifications can be made without departing from the spirit of the present invention.

For example, in the above embodiment, the brake lever 1 is attached to the handle 13 in a state where the lever main body 12 is gradually extended toward the outer side in the grip radial direction from the proximal end portion 11 side toward the distal end portion 22 side. However, the present invention is not limited to this, and the lever main body 12 may be appropriately changed such as extending in parallel along the grip axis O.
Further, on the outer surface of the first bent portion 24 facing away from the grip 14 side, a curved surface portion 31 that is recessed toward the grip 14 side as shown in FIG. 4 may be formed. As shown, the flat surface portion 32 may be formed along the direction in which the lever body 12 extends in a plan view of the brake lever 1.
Furthermore, the means for adjusting the distance in the grip radial direction with respect to the grip 14 of the entire lever body 12 is not limited to the above-described embodiment, and may be appropriately changed or not provided.
The curvature radii of the first bent portion 24, the second bent portion 25, and the third bent portion 26 in the plan view of the brake lever 1 may be different from each other.
The second bent portion 25, the third bent portion 26, and the bulging support portion 27 may not be provided.
Furthermore, as shown in FIG. 6, the base end portion 11 of the lever main body 12 may be provided with a connection hole 28 capable of directly connecting a wire without providing the wire connection member 20.
Further, as shown in FIG. 7, a flat surface 33 extending in parallel with the grip axis O may be formed on a portion of the outer surface of the lever body 12 that is continuous with the bulging support portion 27 from the base end portion 11 side. Good. In this case, by bringing the little finger into contact with the flat surface 33 of the lever main body 12, even a small hand can easily make the little finger contact with the outer surface of the lever main body 12.
Furthermore, an opposite type brake structure as shown in FIG. 8 may be adopted.
In this brake structure, the connecting member 15 is formed in a rectangular shape in plan view, one end in the longitudinal direction thereof is located at the inner end in the grip radial direction, and the other end is located at the outer end in the grip radial direction. As shown, the handle 13 is attached to a portion protruding from the grip 14 toward the distal end side of the grip 14 along the grip axis O direction.
And the base end part 11 of the lever main body 12 is rotatably arrange | positioned in the part which protruded in the handle | steering-wheel 13 from the grip 14 to the front end side of the grip 14 along the grip axis O direction. The base end portion 11 of the lever main body 12 extends in the grip radial direction, and the inner end portion in the grip radial direction is located on the grip axis O. A connecting hole 28 to which a wire can be connected is formed at the inner end portion of the base end portion 11 of the lever main body 12 in the grip radial direction, and a support shaft 21 is disposed at the outer end portion in the grip radial direction. The wire is inserted into the handle 13.
The lever main body 12 extends from the base end portion 11 in the direction opposite to the distal end side of the grip 14 along the grip axis O direction. Moreover, the lever main body 12 is extended toward the inner side of a grip radial direction gradually toward the front-end | tip part 22 side from the base end part 11 side.
Also in the configuration shown in FIG. 8, the same operational effects as those of the above-described embodiment are exhibited.
Furthermore, the present invention is not limited to the above embodiments, and can be applied to, for example, a hydraulic brake structure.

  In addition, it is possible to appropriately replace the constituent elements in the above-described embodiments with well-known constituent elements without departing from the spirit of the present invention, and the above-described modified examples may be appropriately combined.

  A gripping force can be effectively applied to the lever body.

DESCRIPTION OF SYMBOLS 1 Brake lever 11 Base end part 12 Lever main body 13 Handle 14 Grip 15 Connecting member 18a Long hole (adjustment means)
22 distal end portion 23 intermediate portion 24 first bent portion 25 second bent portion 26 third bent portion 27 bulge support portion

Claims (5)

A lever body to which the brake wire is connected to the base end,
A coupling member coupled to a handle and rotatably supporting the lever body around the base end;
With
The connecting member is a brake lever that is connected to the handle in a state where the lever body is supported so that the distal end of the lever main body advances and retreats with respect to the handle grip as the base body rotates. ,
A first bent portion is formed in an intermediate portion between the distal end portion and the proximal end portion of the lever main body,
The connecting member is connected to a handle in a state where the lever body is supported so that the first bent portion bulges away from the grip side. The brake lever according to claim 1,
Of the intermediate part of the lever main body, a second bent part that is bent in a direction opposite to the first bent part is formed in a part that is continuous with the first bent part from the base end side. And brake lever. The brake lever according to claim 1 or 2,
Of the intermediate portion of the lever body, a portion that is continuous with the first bent portion from the tip end side is formed with a third bent portion that is bent in a direction opposite to the first bent portion. Brake lever. The brake lever according to any one of claims 1 to 3,
The brake lever according to claim 1, wherein a bulge support portion is formed at a distal end portion of the lever body so as to bulge toward the opposite side of the grip side in a state where the coupling member is coupled to a handle. The brake lever according to any one of claims 1 to 4,
The connecting member has a distance to the grip of the entire lever body in a direction in which the lever body advances and retreats with respect to the grip with the rotation around the base end in a state where the connecting member is connected to the handle. A brake lever, characterized in that it is provided with an adjusting means capable of adjusting.

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