JPH0958560A - Pedal for automobile - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent unsteadiness of a shoe sole supported by a pedal for a bicycle of a clipless type pedal to disengageably hold the cleat of the shoe sole. SOLUTION: A pedal for a bicycle comprises a pedal body 1 rotatably supported on a crank shaft; a pair of holding pieces 2 and 2 arranged at the front and the rear of the upper surface of the pedal body 1 to disengageably hold the cleat 8 of the shoe sole; and support seats 3 and 3 arranged at the outside between the holding pieces 2 and 2 so that height is regulatable.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a bicycle pedal,
In particular, the present invention relates to a so-called clipless pedal having no toe clip.

[0002]

2. Description of the Related Art As shown in FIG. 1, a conventional clipless pedal includes a pedal body (1) rotatably supported by a crankshaft (100), and a pedal body (1) on the front and back of the upper surface of the pedal body (1). It comprises a pair of holding pieces (2) (2) provided. In this case, the cleat (8) attached to the shoe sole (90) is detachably held by the pair of holding pieces (2) and (2). This holding prevents the inconvenience that the shoe sole (90) separates from the pedal body (1) while riding a bicycle.

[0003]

However, in the above-mentioned conventional technique, the sole (90) is only supported by the cleat (8), so that the foot (1) moves toward the sole (90) from the foot during the running. When the degree of the force applied to the shoe changes from side to side, the sole (90) tends to fluctuate. This increases the transmission loss of force from the foot to the pedal body (1).

In the bicycle pedal described above, it is an object of the present invention to prevent the shoe sole supported by the pedal from fluctuating.

[0005]

[Means for Solving the Problems] According to the means for solving the problems of the invention of claim 1, "a pedal body (1) rotatably supported by a crankshaft and a cleat (8) of a shoe sole are detachable. A pair of holding pieces (2) and (2) provided on the front and rear of the upper surface of the pedal body (1) for holding, and the holding piece for supporting the shoe sole.
(2) (3) (3) A height-adjustable seat on the outside between (2)
Is provided. ”

When the cleat (8) of the shoe sole is held by the holding pieces (2) (2) on the upper surface of the pedal body (1),
(2) Seats (3) and (3) provided on the outside between the (2) and the shoe sole face the sole. At this time, since the height of the seats (3) (3) can be adjusted, the height adjustment adjusts the seats (3) (3) and the shoe sole to be in contact with each other. Here, in the description of claim 1 above, the "height adjustable seat (3) (3)" is, as in the invention of claim 4, "the seat (3) is It may be provided on the upper end of the screw shaft (31) screwed to the pedal body (1). In this structure, the height of the seat (3) at the upper end of the screw shaft (31) is adjusted by the rotation of the screw shaft (31).

According to the invention of claim 5, "the seat
(3) is a disc (42) which is upright on the upper surface of the pedal body (1) and is pivotally supported by the pedal body (1) at a position eccentric from the center. (3) is provided with a fixing means (43) for fixing the non-rotating state. In this, when the disc (42) is rotated, the pedal body is
The height of the disc (42) from the upper surface of (1), that is, the height of the seat (3) is adjusted. After this adjustment, the disc (42)
Is fixed in a non-rotating state by a fixing means (43), and the height of the disc (42) is maintained constant.

Further, as in the invention of claim 6, "the seat (3) is selectively selected from those having various heights and is detachably mounted on the upper surface of the pedal body (1). Be done. " In this structure, the height of the seat (3) is adjusted by replacing the seat (3) on the upper surface of the pedal body (1) with one having a different height.

[0009]

According to the inventions of the above claims, the seat (3)
By adjusting the height of (3), these seats (3) and (3) and the shoe sole placed on the pedal body (1) are in contact with each other, so that the fluctuation of the shoe sole while riding the bicycle is prevented. It This reduces the transmission loss of force from the foot to the pedal body (1).

Even if the cleats (8) have different thicknesses, the height of the seats (3) and (3) can be adjusted to adjust these seats.
(3) (3) and the sole contact each other. Therefore, the cleat (8)
The anti-flicker effect can be secured for various shoes having different thicknesses.

[0011]

Embodiments of the present invention will be described below with reference to the drawings. [First Embodiment] As shown in Figs. 2 to 5, the bicycle pedal according to the first embodiment is provided with the seats (3) and (3) described above on both left and right sides of the pedal body (1). Seat plate (300) (300)
Are arranged.

* Regarding the Configuration of Each Part * The configuration of each part will be described below. Above pedal body
(1) is formed in a roughly rectangular shape, and the crankshaft (1
It is rotatably supported by a pedal shaft (10) projecting from the tip of (00). The pedal shaft (10) is the pedal body.
It penetrates through the central part in the front-back direction in (1).

At the front and rear ends of the pedal body (1), the sole (9
A pair of holding pieces (2) (2) for holding the cleat (8) fixed to (0) is provided. Engagement pieces (21) (21) bent inward are provided at the upper ends of the holding pieces (2) (2). These engaging pieces (21) (21) engage with the edge portions (81) (81) protruding from the front and rear lower ends of the cleat (8). These engaging pieces
The cleat (8) is firmly held by the holding pieces (2) and (2) by the engagement between the (21) and (21) and the edge portions (81) and (81).

Further, the holding pieces (2) (2) are the pedal main body.
The pedal body is supported by the support shafts (22) and (22) held by (1).
It is rotatably supported in the front-back direction of (1). In addition, a spring (not shown) for urging the holding pieces (2) and (2) in the opposing approaching direction, and the holding pieces (2) and (2) are placed in a substantially upright posture with respect to the pedal body (1). A stopper (not shown) is provided for maintaining the above. Therefore, when the cleat (8) is pushed into the holding pieces (2) (2) from above, the holding pieces (2) are
The cleat (8) is held between the holding pieces (2) and (2) after the (2) is turned in the separating direction and then turned and returned.
On the contrary, in the holding state, the cleat (8) is
When it is rotated along the upper surface of (1), the holding pieces (2) and (2) are rotated in the separating direction, and the cleat (8) is removed.

The holding piece in the pedal body (1)
(2) Above the pedal body (1), that is, on the left and right sides of the pedal body (1), the rectangular seat plate (300) that is long in the front-rear direction of the pedal body (1) is arranged. To be done. This seat plate (3
A pair of bolts (310) (310) are rotatably attached to the front and rear parts of 00). The screw shaft (31) of each bolt (310) projects downward from the seat plate (300). The head (311) of each bolt (310) is housed in the seat plate (300) in a buried state. Then, a locking ring (12) is attached to the screw shaft (31) at a position corresponding to the lower surface of the seat plate (300). Therefore, with respect to the seat plate (300), the bolt (31
0) (310) will be attached in a rotating pair.

The screw shaft (31) is the pedal body.
It is screwed into the screw hole (111) provided in (1). Therefore,
When the screw-in degree of the pair of bolts (310) (310) is adjusted, the seat plate (300) is moved up and down, and the pedal body is
The height of the seat plate (300) with respect to (1) is adjusted. The screw hole (111) is provided in a certain range from the lower end of the pedal body (1), and an enlarged hole portion (112) having an open upper end is continuous above the screw hole (111). These enlarged holes (112)
A compression spring (11) externally fitted to the screw shaft (31) is interposed between the lower end surface of the and the locking ring (12). By this compression spring (11), the screw shaft (31) and the screw hole (111)
The two threads are pressed against each other in the axial direction, and rattling between them is prevented.

* Practical Use * Next, practical use of the bicycle pedal will be described. First, the screw-in height of the bolts 310 is adjusted by a screwdriver. This allows the seat plate (300) to fit the thickness of the cleat (8) on the sole (90).
The height of (300) is adjusted.

After that, when the shoe (9) is placed on the upper surface of the pedal body (1), the cleat (8) is held between the holding pieces (2) and (2) as described above. . In this holding state, the seat plates (30) located on the left and right of the cleat (8) are
0) (300) touches the sole (90). Due to this contact, the sole of the shoe sole (90) is prevented from fluctuating from side to side when the bicycle is traveling.

In the holding state, the seat plate (300) (30
If there is a gap between 0) and the sole (90),
After the cleat (8) is removed from the holding pieces (2) (2), the height of the seat plates (300) (300) is finely adjusted. * About other embodiments *. The surface layer of the seat plate (300) (300) may be made of an elastic material such as synthetic resin. In this case, the seat plate (30
0) (300) is finely adjusted to a higher level
(300) (300) is in close contact with the sole (90). Therefore,
The transmission loss is further reduced. The seat plate (3
The entire 00) (300) may be made of elastic material.

[0020] As shown in FIGS. 6 and 7, the base plate (3
It does not have to be 00) (300). In this case, the bolt (3
The head (311) of 10) becomes the seat (3) as it is. . A nut (32) for fixing the screw shaft (31) in a non-rotating state may be screwed. In this case, as shown in the figure, the nut (3
2) is accommodated in a recessed portion (13) provided on the pedal body (1) so as to open laterally, and the nut (32) is provided with a lever (321) extending outward from the nut (32). A configuration can be adopted.

In this structure, the lever (321) is rotated in a posture substantially perpendicular to the pedal body (1) so that the nut (32) is separated from the lower end surface of the recess (13). In this state, the screwing height of the bolt (310) is adjusted.
After this adjustment, the lever (321) is rotated from the right angle posture to the posture along the pedal body (1) while the bolt (310) is maintained in the non-rotation state by the driver. This causes the nut (32) to move into the recess (1
It is pressed against the lower end face of (3), and the nut (32) and screw shaft (3
The threads of 1) are strongly pressed against each other in the axial direction. Therefore,
The screw shaft (31) is fixed in a non-rotating state. It should be noted that the nut (32) is recessed as long as it is brought into pressure contact with the pedal body (1) or a member fixed thereto by the rotation thereof.
It may not be accommodated in (13). [Second Embodiment] As shown in FIGS. 8 to 10, the bicycle pedal according to the second embodiment is similar to the above-described first embodiment.
Attach the shoe sole (90) to the pedal body (1) that is similar to the pedal body (1) of
It is equipped with a plurality of discs (42) (42) for supporting the.

On both left and right sides of the pedal body (1), there are provided recesses (14) (14) that are long in the front and rear direction and open upward. The discs (42) (42) are housed in the front and rear portions of each recess (14) in a posture in which the discs (42) (42) are upright with respect to the upper surface of the pedal body (1) and the rotation axis is in the left-right direction. The pair of left and right discs (42) (42) facing each other are attached to the shaft body (41) rotatably penetrating the pedal body (1) in a relative rotation preventing state. The shaft body (41) penetrates a position eccentric from the center of the disc (42). In this embodiment, the shaft body (41) is an angular axis, and the shaft body (41) penetrates the square hole (45) of the disc (42). As a result, the disc (42) is attached to the shaft body (41) in a relative rotation preventing state. Further, the pair of left and right circular plates (42) (42) integrally rotate.

Since the shaft body (41) is provided at an eccentric position with respect to the pair of left and right discs (42) (42), the left and right discs (42) (42) are By the rotation, the shaft body (4
The posture with respect to 1) is changed, and the height from the pedal body (1) is adjusted. These discs (42) (42) are the seats (3) (3) described in claim 1. The size and shape of each recess (14) is such that the disc (42) is rotatable within a predetermined range. In this rotatable range, the point farthest from the shaft body (41) on the peripheral edge of the disc (42) is located at the uppermost position.
It is set between the posture (the state indicated by the solid line in FIG. 8) and the second posture (the state indicated by the two-dot chain line in the figure) rotated by 90 °.

The shaft body (41) is provided with a male screw portion (46) penetrating the outer side wall portion (17) of the pedal body (1) so as to be rotatable relative to the pedal body (1), and a tightening nut is provided at a tip portion thereof. (47) is screwed.
When this tightening nut (47) is tightened, this tightening nut
The side wall portion (17) is pinched between the (47) and the end face of the shaft body (41), and the shaft body (41) is fixed to the side wall portion (17). Conversely, in the state where the tightening nuts (47) (47) are loosened, the shaft body (41) becomes rotatable, and the discs (42) (42) integral with the shaft body (41) The protrusion height from the pedal body (1) can be adjusted. The male screw part (46), the side wall part (17) and the tightening nut (47) are the fixing means (43) according to claim 5 above.

In this case, four discs (42) are provided on the front, rear, left and right.
Since the shoe sole (90) is supported by the top of (42), even if the disc (42) and the shoe sole (90) are in point contact with each other,
Sole support is stable. Incidentally, the fixing means (43) may have another structure as long as it fixes the discs (42) and (42) in a non-rotating state. [Third Embodiment] A bicycle pedal according to a third embodiment of the present invention, as shown in FIGS. 11 to 13, has the above-described seats (3) (3).
Is a seat block (5) (5) that can be removed from the upper surface of the pedal body (1).

A holding piece on the upper surface of the pedal body (1)
(2) A pair of engaging protrusions (15) and (15) having a T-shaped cross-sectional shape in the front-rear direction are provided outside the space between (2) and (2). The seat block (5) is made of an elastic material such as synthetic resin, and the seat block (5) is slightly smaller than the T-shaped cross section of the engaging projection (15). In addition, a groove portion (50) having a T-shaped cross section that is opened inward and downward is provided. This seat block
As (5), a plurality of those having different top wall portions (51) in thickness are prepared.

In this structure, the plurality of seat blocks are provided.
(5) A pair of seat blocks of a specific type selected from (5)
(5) (5) is attached to the engaging projection (15). And
By replacing the seat block (5) with a different wall thickness of the top wall portion (51), the height to the top surface of the seat block (5), that is, the seat (3) ) Is adjusted.

The seat block (5) is not limited to the above shape. Also, the structure for detachably mounting the seat block (5) on the upper surface of the pedal body (1),
The configuration is not limited to the above.

[Brief description of drawings]

FIG. 1 is a perspective view of a bicycle pedal in a conventional example.

FIG. 2 is a side view of the bicycle pedal according to the first embodiment of the present invention.

[Figure 3] Enlarged view of the main part of this

FIG. 4 is a sectional view of this.

FIG. 5 is a plan view of this.

FIG. 6 is a plan view showing a modified example of the first embodiment.

FIG. 7: Side view of this

FIG. 8 is a side view of the bicycle pedal according to the second embodiment.

FIG. 9 is a sectional view of this.

FIG. 10 is a sectional view taken along line I-I.

FIG. 11 is a side view of the bicycle pedal according to the third embodiment.

FIG. 12 is a sectional view of this.

FIG. 13 is a perspective view of a seat block (5).

[Explanation of symbols]

 (1) ・ ・ ・ Pedal body (8) ・ ・ ・ Cleat (2) ・ ・ ・ Holding piece (3) ・ ・ ・ Seat (21) ・ ・ ・ Engaging piece (31) ・ ・ ・ Screw shaft (42 ) ・ ・ ・ Disc (43) ・ ・ ・ Fixing means

Claims (6)

[Claims] 1. A pedal body (1) rotatably supported by a crankshaft, and front and rear surfaces of an upper surface of the pedal body (1) for detachably holding a cleat (8) of a shoe sole. A pair of holding pieces (2) (2) and a seat (3) which is height-adjustable outside the holding pieces (2) (2) for supporting the sole.
(3) A bicycle pedal equipped with and. 2. The upper ends of the pair of holding pieces (2) (2) are
The bicycle pedal according to claim 1, further comprising an engaging piece (21) (21) bent inward and engaging with an edge of the cleat (8). 3. The bicycle pedal according to claim 1, wherein the top of the seat (3) is made of an elastic material. 4. The bicycle pedal according to claim 1, wherein the seat (3) is provided at an upper end of a screw shaft (31) screwed to the pedal body (1). 5. The disc (42) pivotally supported by the pedal body (1) at a position where the seat (3) stands upright with respect to the upper surface of the pedal body (1) and is eccentric from the center. And this disc
The bicycle pedal according to any one of claims 1 to 3, further comprising a fixing means (43) for fixing the (42) in a non-rotating state. 6. The seat (3) according to any one of claims 1 to 3, which is selectively selected from those having various heights and is detachably mounted on the upper surface of the pedal body (1). Bicycle pedal described in.