JPH08207866A - Bicycle pedal - Google Patents

Abstract

PURPOSE: To enable positioning of a pedal outer to be changed over from a pedal using position to a housing position and vice versa in a single operation by setting the pedal tread face to be at a right angle to the axis of a crank arm, and arranging the magnets of N pole and S pole alternately on the pedal using position and the housing position in the axial direction of a pedal shaft. CONSTITUTION: A pedal outer 4 is pressed against the pedal using position away from a crank arm 1 by a spring 5. Then, with a pedal integrally formed of the pedal outer 4 and a pedal inner 3, the tread of the pedal intersects the axis of the crank arm 1 at a right angle when operator foot leaves the pedal, because of magnets-attraction, repulsion of a magnet plate 8 and a magnet plate 11 in which magnets of N pole and S pole are alternately arranged, and thus the pedal outer 4 is slidably positioned and held at the pedal using position and the housing position in the axial direction of a pedal shaft 2. Thus, even when the underside of the pedal is trodden, the pedal can be positioning-changed at the pedal using position and the housing position without being folded.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bicycle pedal which can be compactly stored.

[0002]

2. Description of the Related Art In a folding bicycle, pedals are also folded and housed to form a compact form. As shown in FIGS. 8 and 9, the folding and storing structure of the pedal includes a block-shaped pedal inner 30 which is mounted on a pedal shaft 2 fixed to the tip of a crank arm 1 so as to be rotatable only around its axis. The pedal inner side of the U-shaped opening is directed toward the crank arm 1 by a support shaft 50 so as to be rotatable between a horizontal position perpendicular to the axis of the crank arm 1 and a vertical position parallel to the axis of the crank arm 1. It is composed of a U-shaped pedal outer 40 which is supported, and when used, the pedal outer 40 is horizontally positioned as shown in FIG. 8, and when it is stored, the pedal outer 40 is vertically folded as shown in FIG. .

[0003]

In the above-mentioned conventional structure, the pedal outer 40 is pivotally supported at a vertical position parallel to the axis of the crank arm 1, so that the pedal outer 40 is folded when the lower surface of the pedal is depressed. It will be folded. In order to solve this, a weight is attached to the lower surface of the pedal inner 40 so that the crank arm 1 always faces downward. However, even if it is in a hurry, the lower surface of the pedal may be stepped on. There was an increasing problem.

In view of the above conventional problems, an object of the present invention is to
The pedal can be slid in the axial direction of the pedal shaft to change the position between the pedal use position and the storage position with respect to the crank arm, and the position can be changed between the pedal use position and the storage position with one touch.

[0005]

SUMMARY OF THE INVENTION In order to achieve the above object, the gist of the present invention is a block-shaped structure in which a pedal shaft fixed to the tip of a crank arm is rotatably mounted only around its axis. A pedal inner and a U-shaped pedal outer guided by the pedal inner so that the U-shaped opening side is slid in the axial direction of the pedal shaft toward the crank arm so as to be located at the pedal use position and the storage position. The pedal outer is separated from the crank arm by being interposed between the closing side end surface of the pedal outer opposite to the U-shaped opening side and the tip end surface of the pedal inner facing the closing side end surface. A spring that presses to the pedal use position, a U-shaped closing side end surface of the pedal outer, and a tip of the pedal inner facing the closing side end surface. A clamp member that is provided on a surface and that connects the pedal outer to the pedal inner at a storage end that slides the pedal outer in the direction of the crank arm, on the circumference of the pedal shaft on the crank arm side, and on the side facing the crank arm. When the pedal inner surface is perpendicular to the axis of the crank arm when the magnetic force is attracted to the circumference of the pedal shaft around the circumference of the pedal shaft and repels the foot from the pedal, the pedal outer uses the pedal in the axial direction of the pedal shaft. The magnets of the N pole and the S pole are alternately arranged so as to slidably position and hold the position and the storage position.

[0006]

With the above construction, when the foot is released from the pedal, the pedal outer is integrated with the pedal inner due to the magnetic attraction and repulsion by the magnet, the tread surface of the pedal is orthogonal to the axis of the crank arm, and the pedal outer is the pedal shaft. It is slidably positioned and held in the pedal use position and the storage position in the axial direction, rotates only around the axis of the pedal shaft, and the pedal is not folded even when the lower surface of the pedal is depressed. Further, the pedal outer is pressed by the spring to the pedal use position separated from the crank arm, but it is located at the storage position by sliding in the axial direction of the pedal shaft toward the crank arm,
Secured state is secured by the clamp member. In this stored state of the pedal, the pedal is pushed in the direction of the crank arm to release the lock by the clamp member, and the pedal outer is returned to the use position by the force of the spring.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. 1, 4 and 5, one crank arm,
Reference numeral 2 is a pedal shaft fixed to the tip of the crank arm 1. A block-shaped pedal inner 3 is mounted on the pedal shaft 2 so as to be rotatable only around the axis of the pedal shaft 2.

The pedal inner 3 has a U-shaped opening side 4a directed toward the crank arm 1 in the axial direction of the pedal shaft 2 through a guide groove 4c so as to be located at a pedal use position and a storage position. 4 is slidably guided.

A closed side end surface 4b of the pedal outer 4 opposite to the U-shaped opening side 4a, and this closed side end surface 4
A spring 5 is interposed between the pedal inner surface 3b and the tip end surface 3b of the pedal inner 3 that faces the wheel b, and presses the pedal outer 4 to a pedal use position separated from the crank arm 1.

The U-shaped closing side end surface 4b of the pedal outer 4 and the tip end surface 3b of the pedal inner 3 facing the closing side end surface 4b are attached to the pedal outer 4 at the storage end where the pedal outer 4 is slid in the direction of the crank arm 1. Is provided with a clamp member for coupling the pedal inner part 3 to the pedal inner part 3. The clamp member has a structure in which an engaging male element 6 is provided on a U-shaped closing side end surface 4b of the pedal outer 4, and an engaging female element 7 is provided on a tip end surface 3b of the pedal inner 3. The engaging male element 6 and the engaging female element 7 can be engaged and disengaged, and in the engaged state, the engaged state is maintained unless a force for pushing the pedal outer 4 toward the crank arm 1 is applied, and the pedal outer 4 is Is locked to the pedal inner 3.

Magnetic attraction and repulsion are exerted on the circumference of the pedal shaft 2 on the side of the crank arm 1 and on the circumference of the pedal shaft 2 on the end surface 3a of the pedal inner 3 facing the crank arm 1. When the foot is released from the pedal, the tread surface of the pedal is orthogonal to the axis of the crank arm 1, and the pedal outer 4 is slidably positioned and held at the pedal use position and the stowed position in the axial direction of the pedal shaft 2. Magnet plates 8 and 11 in which magnets with poles are alternately arranged are arranged.

An example of the arrangement of magnets of the N and S poles of the magnet plates 8 and 11 will be described with reference to FIGS. 2 and 3. The magnet plate 8 of FIG. 2 is provided on the circumferential circumference of the pedal shaft 2 on the crank arm 1 side, and the pedal shaft 2 is arranged on the axis Y-Y of the crank arm 1.
Arc-shaped N-pole magnets 9a and 9b along the outer circumference of the pedal shaft 2 are arranged at two positions sandwiching the pedal shaft 2, and the pedal shaft 2 is sandwiched on the line of the axis XX orthogonal to the axis YY. An arcuate south pole magnet 1 along the outer circumference of the pedal shaft 2
0a and 10b are arranged.

The magnet plate 11 of FIG. 3 is a pedal inner 3
Is provided on the circumference of the pedal shaft 2 on the end surface 3a of the pedal shaft 2 and has an arc shape along the outer periphery of the pedal shaft 2 at two positions sandwiching the pedal shaft 2 on the axis Y-Y of the crank arm 1. S pole magnets 12a and 12b are arranged, and arc-shaped N pole magnets 13a are formed along the outer circumference of the pedal shaft 2 at two positions sandwiching the pedal shaft 2 on a line of an axis X-X orthogonal to the axis Y-Y. , 13b are arranged.

Magnet plate 8 on the side of the crank arm 1
And the magnet plate 11 on the side of the end surface 3a of the pedal inner 3 have an arrangement configuration of magnets having N and S poles.
The pedal which is integrated with the pedal inner 3 includes the N pole magnets 9a and 9b and the S pole magnets 10a and 10b of the magnet plate 8 on the crank arm 1 side, and the end surface 3a of the pedal inner 3.
Side magnet plate 11 has S-pole magnets 12a, 12b and N
The pole magnets 13a and 13b attract and repel the magnetic force, and when the foot is released from the pedal, the tread surface of the pedal is orthogonal to the axis of the crank arm, and the pedal outer 4 is the pedal use position and the storage position in the axial direction of the pedal shaft 2. Position and hold it so that it can slide to.

Since the present invention has the above-described structure, when the pedal for pedaling the bicycle is used, the pedal outer 4 is separated from the crank arm 1 by the spring 5, as shown in FIGS. 4 and 5. The pedal is pressed to the use position. When the pedal is integrated with the pedal outer 4 and the pedal inner 3, when the foot is released from the pedal by the magnetic attraction and repulsion by the magnet plate 8 and the magnet plate 11 due to the arrangement of the magnets of the N pole and the S pole. The tread surface of the pedal is orthogonal to the axis of the crank arm, and the pedal outer 4 is slidably positioned and held at the pedal use position and the storage position in the axial direction of the pedal shaft 2.
Further, in this use position, even if the lower surface of the pedal is depressed, the pedal is not folded and the use position is maintained.

Folding a predetermined portion of the folding bicycle and storing the pedal to make it a compact form, FIG. 6 and FIG.
As shown in, the pedal outer 4 is slid in the direction of the crank arm 1 against the spring force of the spring 5, and the pedal outer 4 is held at the storage end of the pedal outer 4 by the clamping members of the engaging male element 6 and the engaging female element 7. Lock to 3 to maintain the stored state.

By sliding the pedal outer 4 in the direction of the crank arm 1, the U-shaped pedal outer 4 is housed so as to sandwich the crank arm 1, and the lateral length of the pedal outer 4 is shortened to be compact.

When the pedal outer 4 is slid in the direction of the crank arm 1 so as to sandwich the crank arm 1, and housed, the pedal outer 4 is formed by the magnet plate 8 and the magnet plate 11 having the arrangement of the magnets of the N pole and the S pole. Is slidably positioned at the pedal use position and the storage position in the axial direction of the pedal shaft 2, so that the surface of the pedal outer 4 on the U-shaped opening side 4a is positioned directly on the surface of the crank arm 1. The interference between the pedal outer 4 and the crank arm 1 is avoided, and the sliding of the pedal outer 4 is ensured reliably and smoothly.

In order to return the pedal outer 4 from the stored position to the use position, a force for pushing the closing side end surface 4b of the pedal outer 4 in the direction of the crank arm 1 is applied to clamp the engaging male element 6 and the engaging female element 7. The lock is released and the spring 5 slides by the force of the spring 5 to project laterally.

[0020]

As described above, according to the present invention, the block-shaped pedal inner is mounted on the pedal shaft fixed to the tip of the crank arm so as to be rotatable only around its axis, and the pedal inner having a U-shape. Guide the U-shaped pedal outer so that its opening side faces the crank arm in the axial direction of the pedal shaft so that it is located at the pedal use position and the storage position. A spring is interposed between the closing side end surface on the opposite side to the opening side and the tip end surface of the pedal inner facing the closing side end surface to press the pedal outer to a pedal use position separated from the crank arm. Attach the pedal outer to the crank arm side on the U-shaped closing side end surface of the pedal outer and the tip end surface of the pedal inner facing the closing side end surface. With the configuration that has a clamp member that locks the pedal outer to the pedal inner at the sliding storage end, even if you step on the lower surface of the pedal, the pedal can be changed to the use position and the storage position by horizontally sliding without folding. , It is possible to prevent the crank arm from being damaged by folding the pedal, eliminating the need to attach a weight for securing the posture of the pedal, and solving the problem of weight increase.

Further, magnetic force is attracted and repelled from the pedal to the circumference of the pedal shaft on the crank arm side and to the circumference of the pedal shaft on the end surface of the pedal inner side facing the crank arm, and the foot is released from the pedal. When this is done, the tread surface of the pedal is orthogonal to the axis of the crank arm, and the magnets of the N pole and the S pole are alternately arranged so that the pedal outer is slidably positioned and held in the pedal use position and the storage position in the pedal shaft axial direction. With this configuration, the U-shaped opening side surface of the pedal outer is positioned flush with the surface of the crank arm, avoiding interference between the pedal outer and the crank arm, and securely and smoothly at the use position and storage position of the pedal outer. It is possible to secure the slide to be used, and it is possible to position it at the pedal use position and the storage position with one touch. It has a point.

[Brief description of drawings]

FIG. 1 is a side view of the present invention.

FIG. 2 is an enlarged sectional view taken along the line AA of FIG.

FIG. 3 is an enlarged sectional view taken along the line BB of FIG.

FIG. 4 is a perspective view of a pedal use position state of the present invention.

FIG. 5 is a plan view of a pedal use position state of the present invention.

FIG. 6 is a perspective view of the pedal storage position of the present invention.

FIG. 7 is a plan view of the pedal storage position of the present invention.

FIG. 8 is a perspective view of a conventional pedal usage state.

FIG. 9 is a perspective view of a conventional pedal folded storage state.

[Explanation of symbols]

 1 Quang Arm 2 Pedal Shaft 3 Pedal Inner 4 Pedal Outer 5 Spring 6 Engaging Male Element 7 Engaging Female Element 8 Magnet Plate 9a N Pole Magnet 9b N Pole Magnet 10a S Pole Magnet 10b S Pole Magnet 11 Magnet Plate 12a S Pole Magnet 12b S Pole Magnet 13a N pole magnet 13b N pole magnet

Claims (1)

[Claims] 1. A block-shaped pedal inner mounted on a pedal shaft fixed to the tip of a crank arm so as to be rotatable only around its axis, and a U-shaped opening side of the pedal inner facing the crank arm. And a U-shaped pedal outer that is slid in the axial direction of the pedal shaft so as to be positioned at the pedal use position and the storage position, and a closing side of the pedal outer opposite to the U-shaped opening side. A spring, which is interposed between the end surface and the tip surface of the pedal inner facing the closing side end surface and presses the pedal outer to a pedal use position separated from the crank arm, and a U-shaped closing side of the pedal outer. It is provided on the end face and the tip end face of the pedal inner facing the end face on the closing side,
And a clamp member that connects the pedal outer to the pedal inner at a storage end that slides the pedal outer in the direction of the crank arm, and a pedal on the circumferential surface of the pedal shaft on the crank arm side and on the end surface of the pedal inner facing the crank arm. When the magnetic force is attracted and repelled on the circumference of the shaft and the foot is released from the pedal, the tread surface of the pedal is orthogonal to the axis of the crank arm, and the pedal outer is in the pedal use position and storage position in the axial direction of the pedal shaft. A bicycle pedal characterized in that magnets of north poles and south poles are alternately arranged so as to be slidably positioned and held.