JP2010126152A - Stand for bicycle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a portable stand for a bicycle reduced in size and weight and easily attachable/detachable in the stand for the bicycle carried without being attached to the bicycle for a bicycle for a game and a bicycle prevented from being parked by being stood for a vehicle body structural reason. <P>SOLUTION: In this stand, a channel-shaped body support 2 externally fitted to the crank 10 of the bicycle to be insertable/extractable in the longitudinal direction from a distal end on a pedal side is provided, and a pedal shaft insertion groove 21 opened to an inserting/extracting side end of the body support 2 and externally fitted to the pedal shaft 91 is formed at a center of the inserting/extracting side end. On the inside of the body support 2, a crank distal end bracket 5 for holding a crank distal end is attached. At an end on an opposite side of the formation side of the pedal shaft insertion groove 21 of the body support 2, a grounding stay support body 3 which is extended in a substantial V-shape when used and is connected with foldable grounding stays 4, 4 when non-used is rotatably mounted to be storable at the inside of the body support 2. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a bicycle stand that is carried without being attached to a bicycle, is attached when necessary, and stands and parks the bicycle.

  Currently, road racer type bicycles are widely used for general cycling, but there are many cases where a stand is not assembled in order to reduce the weight of the vehicle body and prevent injury due to a contact accident. In addition, a stand cannot be attached to most frames using carbon materials for reasons of vehicle structure.

  In order to park such bicycles, special equipment is required to put the bicycle upright with the wheel in between, but it is currently only installed in racetracks and some commercial facilities. If you do, you have to lay the bike on its side or lean it against the nearest wall, which is very inconvenient.

  As shown in FIG. 6, a removable portable stand that supports both ends of the hub axle of the rear wheel A of a bicycle is generally known as one that can eliminate such inconvenience. (For example, see Patent Document 1)

  As shown in FIG. 6, the upper ends of a pair of U-shaped legs C1 and C2 can be folded in two by being rotatably coupled at the holding cylinders B1 and B2. With the legs C1 and C2 open, the bicycle can be stood and parked by fitting the holding cylinders B1 and B2 to both ends of the hub axle. The bicycle stand is configured as a separate body from the bicycle, and can be removed from the bicycle and folded and folded in two when traveling. Therefore, if this bicycle stand is used, there is an advantage that a bicycle can be set up and parked even in a place where there is no dedicated equipment.

However, when the bicycle stand shown in FIG. 6 is attached or detached, it takes time and labor to lift the bicycle while spreading the legs C1 and C2, and a large force is required. Moreover, since it is the aspect which straddles the rear wheel A, it is large and heavy, which is inconvenient to carry.
Japanese Utility Model Publication No. 9-3041056

  The present invention is configured to improve such problems, and provides a bicycle stand that is carried without being attached to a bicycle, and is small and light, convenient to carry, and easy to attach and detach. is there.

The means of the invention according to claim 1 is:
“With respect to the crank of the bicycle, it has a channel-shaped main body column 2 that is externally fitted so that it can be inserted in the longitudinal direction from the front end portion on the pedal side. A pedal shaft insertion groove 21 that is open to the portion and fitted on the pedal shaft 91 is formed, and a crank tip receiving member 5 that holds the crank tip portion is formed inside the main body column 2.
On the other hand, an end of the main body column 2 opposite to the side where the pedal shaft insertion groove 21 is formed is expanded in a substantially V shape when used, and a grounding stay 4 and 4 that can be folded when not used is attached. The support body 3 is rotatably mounted inside the main body column 2 ”.

  When using the bicycle stand of the present invention, first, one crank of the bicycle is set to a substantially downward posture. Next, the pair of ground stays 4 and 4 are pulled out from the ground stay support 3 located on the side opposite to the side where the pedal shaft insertion groove 21 is formed in the main body column 2. Then, one end of each of the grounding stays 4 and 4 is held by the main body support 2, and the other end of the ground stays 4 is widened toward the side of the bicycle so that the other ends are separated from each other. Subsequently, the open end of the pedal shaft insertion groove 21 formed in the main body support 2 faces the base end of the pedal shaft protruding from the lower end of the crank, and in this state, the main body support 2 is attached to the lower end of the crank. The outer end is fitted until it comes into contact with the crank end plate 5. Then, with the pedal shaft insertion groove 21 fitted on the pedal shaft 91, the main body column 2 is attached to the crank with the required length. In this attached state, the ground stays 4 and 4 that are already in the pulled-out state are in a state of spreading toward the side of the bicycle as described above, and thus land and stabilize on the ground. Thereby, it is possible to park the bicycle in a standing state.

  When the bicycle stand of the present invention is not used, first, the ground stays 4 and 4 are arranged in parallel, and then the ground stay support 3 is rotated and housed inside the main body support 2. Thereby, the bicycle stand is folded to the size of the main body support 2.

The means of the invention according to claim 2 is the invention according to claim 1,
“A configuration in which the crank tip receiver 5 holding the crank tip portion is attached to the inside of the channel-shaped main body column 2 so as to be able to undulate”, and when the stand is folded and carried, the crank tip receiver 5 By tilting the inside of the main column 2, the overall thickness can be reduced.

The means of the invention according to claim 3 is the invention according to claim 1 and claim 2,
“An opening angle formed by the main body support 2 and the ground stay support 3 that is rotatably attached to one end of the main body support 2, and the screwing depth of the angle adjusting screw 11 that is screwed to one of them. Is a configuration in which the height from the landing of the ground stays 4 and 4 to the pedal shaft 91 can be arbitrarily set.

The present invention has the following specific effects.
Since the mounting position on the bicycle is the tip of the crank closest to the ground, the overall dimensions of the bicycle stand can be shortened, thereby reducing the size of the bicycle stand. In addition, since the bicycle stand is folded to the size of the main body column 2, the bicycle can be further reduced in size and easily carried. Further, when using the stand of the present invention, it is only necessary to externally fit the main support column 2 to the crank end of the bicycle with the grounding stays 4 and 4 pulled out. The bicycle can be parked with the bicycle standing up.
In the invention according to claim 3, in addition to the above effect, the height of the stand can be adjusted so as to be compatible with bicycles having different dimensions from the ground to the pedal shaft 91.

  The best mode for carrying out the present invention will be described below with reference to the accompanying drawings. As shown in FIG. 1, a bicycle stand 1 according to the present embodiment is detachably attached to a bicycle crank, and is carried without being attached to a bicycle, and can be used when parking. It can be installed and used. More specifically, one end of the channel-shaped main column 2 is fitted with a crank 10 that is lowered almost directly downward and a pedal shaft 91 attached thereto, and the other end of the main column 2 is rotatable. By folding the two foldable ground stays 4, 4 connected to the attached ground stay support 3 in a substantially V shape and grounding the ground, the bicycle can be parked in a standing state. It ’s like that.

Next, a specific description will be given based on FIGS.
The channel-shaped main column 2 is set to a size that can be externally fitted to the crank 10 from one end thereof. Further, a pedal shaft insertion groove 21 that opens to the end portion is formed in the center of the end portion on the insertion / extraction side of the main body support column 2, and the pedal shaft insertion groove 21 has a width that can be externally fitted to the pedal shaft 91. And is set to length.

  In addition, pin mounting holes 22 and 22 are provided on the left and right side walls located at the bottom of the pedal shaft insertion groove 21 in the main body support column 2 so that the crank end receiver 5 can be rotatably mounted via the pin 6. Is formed.

  Further, a rotation shaft mounting hole 23 is provided on the left and right side walls of the main body column 2 opposite to the pedal shaft insertion groove 21 so that the grounding stay support 3 can be rotatably mounted via the rotation shaft 7. , 23 are formed.

  The crank tip receiver 5 has a substantially L-shaped cross-sectional shape, and a main portion 51 that receives the tip portion of the crank 10 and a contact portion for holding the upper surface of the main portion 51 at a right angle with respect to the inner wall of the main body column 2. 52 and a crank back receiving portion 53 for holding the back side of the crank front end portion. The crank back receiving portion 53 is mounted between the left and right side walls of the main column 2 by pins 6 so as to be raised and lowered.

For more details,
The main body portion 51 of the crank tip receiver 5 is formed with a pin through hole 54 at one end thereof for being pinned to the pin mounting holes 22, 22 of the main body column 2. The contact part 52 is formed at the end of the main part 51 on the side of the pin through hole 54 so as to be 90 degrees downward with respect to the upper surface of the main part 51. Further, the crank back receiving portion 53 is formed at an end opposite to the pin hole through hole 54 so as to rise 90 degrees upward with respect to the upper surface of the main portion 51.

  Since the crank tip receiver 5 is in the above-described form, when the stand is not used, it can be folded inside the main body column 2 by pushing down the crank back receiving portion, and the thickness of the entire stand when carrying is reduced. Can be thinned.

  The grounding stay support 3 has a rectangular parallelepiped main body that can be housed inside the main body support column 2, and a rotation shaft hole 31 that holds the rotation shaft 7 is formed at the upper end portion thereof. Further, a ground stay mounting groove 32, a through hole 33 for the ground stay mounting screw 8 and a mounting screw hole 34 are formed at the lower end portion so as to slidably hold the pair of ground stays 4 and 4. .

  A ground stay mounting hole 41 is formed at the tip of the ground stay 4 on the side where the ground stay 4 is attached to the ground stay support 3, and a circumferential portion 42 and a circumferential portion 42 are formed around the mounting hole 41. A straight line portion 43 that is connected and has a certain angle with respect to the longitudinal direction of the ground stay 4 is formed. As a result, the pair of ground stays 4 and 4 can be spread out at a constant opening angle by the bottom surface of the ground stay mounting groove 32 and the linear portion 43 contacting each other. Further, a grounding portion 44 made of rubber or the like is fixed to the opposite end portion to prevent the stand 1 from moving with respect to the ground.

  Further, the ground stay support 3 is provided with an angle adjusting screw hole 35 for screwing the angle adjusting screw 11 at a position where the tip of the angle adjusting screw 11 comes into contact with the lower end of the main column 2. Yes. Since the inclination angle of the main body support 2 and the grounding stay 4 can be adjusted by the screwing degree of the angle adjusting screw, the height from the grounding part 44 to the pedal shaft 91 can be arbitrarily set.

3 and 5 are views showing the folded storage state when the stand 1 according to the present embodiment is removed from the bicycle and carried, and when folded from the use state of FIG. 2 to the storage state of FIG. , Press the crank end receiver 5 against the inner side of the main body column 2, and then align the ground stays 4, 4 that are open in a V shape in parallel, then rotate them and push them into the inner side of the main column column 2. Complete.

Applications of the bicycle stand 1 of the present invention can be widely used for road racer type bicycles, bicycles in which a stand cannot be attached due to the vehicle body structure, and the like.

  BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing a state where a practical example of a bicycle stand 1 of the present invention is mounted on a bicycle and the bicycle is stood and parked.   It is a perspective view of the completed assembly state of the Example of this invention.   It is a perspective view which shows the folded state of the Example of this invention.   It is the perspective view which decomposed | disassembled the stand of this invention.   It is AA sectional drawing in FIG.   It is explanatory drawing of a prior art example.

Explanation of symbols

1 Stand 2 of the present invention Main column 21 Pedal shaft insertion groove 22 Pin mounting hole 23 Rotating shaft mounting hole 3 Ground stay support 31 Rotating shaft hole 32 Ground stay mounting groove 33 Screw through hole 34 Mounting screw hole 35 Angle adjusting screw Hole 4 Grounding stay 41 Grounding stay mounting hole 42 Circumferential portion 43 Linear portion 44 Grounding portion 5 Crank tip end 51 Main end 52 main part 52 Crank back portion 54 Pin through hole 6 Pin 7 Rotating shaft 8 Ground Stay mounting screw 9 Pedal 91 Pedal shaft 10 Crank 11 Angle adjustment screw

Claims (3)

A bicycle stand separate from the bicycle is provided with a channel-shaped main body column 2 that is externally fitted to the crank of the bicycle so as to be inserted and removed in the longitudinal direction from the distal end portion on the pedal side. A pedal shaft insertion groove 21 that is open to the end portion and is fitted around the pedal shaft 91 is formed at the center of the end portion, and a crank front end portion is held inside the main body column 2 together with the pedal shaft insertion groove 21. A crank tip receiver 5 is attached.
On the other hand, a pair of grounding stays 4 and 4 are attached to the end of the main body column 2 opposite to the side on which the pedal shaft insertion groove 21 is formed, expanding in a substantially V shape when in use, and foldable when not in use. A grounding stay support 3 is rotatably mounted so as to be housed inside the main body column 2.
A bicycle stand constructed as described above. In the bicycle stand according to claim 1,
A bicycle stand in which the crank tip receiver 5 for holding the crank tip portion is foldably attached to the inside of the main body support 2. The bicycle stand according to claim 1 or 2,
The opening angle formed by the main body support 2 and the grounding stay support 3 can be adjusted as needed by an angle adjusting screw 11 screwed on either the main body support 2 or the grounding stay support 3. A bicycle stand with a configuration of

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