JP2006069243A - Starting machine for racing bicycle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a starting machine for a racing bicycle capable of easily and vertically holding a racing bicycle with a rider thereon before starting a bicycle race. <P>SOLUTION: In the starting machine 1 to vertically hold a racing bicycle 30 before starting the racing bicycle 30 in a bicycle race, a support unit 10 to be tilted in the right-to-left direction is provided on a body frame 2. When the body frame 2 is arranged on a runway of a stadium, the support unit 10 provided on the starting machine 1 is tilted while the body frame 2 is not inclined, and the racing bicycle 30 held by a supporting unit 20 and a holding unit 16 can be held vertically. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a starter equipped with a competition bicycle vertical holding structure that holds a competition bicycle on which a player rides vertically at the start of a bicycle competition, and in particular, even a runway of a bicycle stadium where the road surface is inclined, The present invention relates to a starter for a racing bicycle that can hold the racing bicycle in a stable state at a predetermined position.

  Conventionally, when competing with a competitive bicycle, the assistant holds the bicycle saddle of the athlete who rides the competitive bicycle at the start to hold the bicycle vertically so that it does not fall down and start the competition. At the same time as the cue, the bicycle was started with its hands open so that the athlete's feet did not touch the ground.

  By the way, the bicycle field has a circumference of about 250 meters to 500 meters, and the entire runway is 2 to 4 degrees in the straight portion, and the inside is lower than the outside at an angle of about 30 degrees in the corner. Since the road surface is inclined on any track, it is preferable for a competitive bicycle to circulate at high speed. On the other hand, at the start of a competitive bicycle, the competitive bicycle on which the player rides Since it starts from a state where it stops at any position on the runway, it is relatively difficult to hold the competition bicycle on which the player rides vertically on the sloping road surface. Is used. The starter 100 is provided with a support portion 104 that supports the pipe portion 103 at the lower end of the saddle 102 of the competitive bicycle 101 and a sandwiching portion 106 that sandwiches the rear wheel 105 of the competitive bicycle 101. The competition bicycle 101 can be held by the portion 104. The lower end of the starter 100 is provided with a jack 107 that can be adjusted up and down by rotating. The height of the jack 107 is adjusted by the jack 107 and the competition bicycle 101 held on the starter 100 is held vertically. To do. Also, as a conventional technique, Patent Document 1 discloses a stand device that supports a sports bicycle used for a competition so as not to fall down.

Japanese Patent Laid-Open No. 10-218052

  However, in the starting machine shown in FIG. 7, the pipe portion 103 provided on the saddle 102 of the competition bicycle 101 is supported by the support portion 104, and the rear wheel 105 of the competition bicycle 101 is clamped by the pair of clamping portions 106. Thus, the competition bicycle 101 on which the player rides can be held vertically so as not to fall down. However, if the launch machine 100 is installed on the inclined runway and the competition bicycle 101 is held vertically, the launch machine 100 is It must be inclined according to the inclination angle of the track. In other words, in this conventional example, unless the height of the two jacks 107 provided at the lower end of the starter 100 is turned to adjust the height, the competition bicycle 101 held on the starter 100 is placed vertically. Since the jack 107 that cannot be held and adjusts the height of the starter 100 is moved up and down by turning the screw, if the height of the two jacks is adjusted, the screw is turned many times. Therefore, it takes time to adjust up and down, and the installation work is very troublesome.

  The present invention solves the above-mentioned problems, and can stably hold a competition bicycle on which a player has been riding, and when installing a competition bicycle starter on an inclined runway, this competition bicycle starter It is an object of the present invention to provide a race bicycle starter that can easily hold a competition bicycle vertically without performing troublesome work such as adjusting the overall angle of the race bicycle.

  The starter for a racing bicycle according to claim 1 of the present invention is a starter for a racing bicycle that vertically holds the starting bicycle before the start of the competitive bicycle in a bicycle competition. The main body frame is provided with a support unit that can be tilted to the left and right, the support unit is provided with a holding portion that holds the rear wheel of the competition bicycle, and a support portion that can be tilted in the vertical direction, and the main body frame is arranged to be inclined. The support unit for supporting the saddle of the racing bicycle with the support portion and tilting the holding portion holding the rear wheel of the racing bicycle with respect to the main body frame to hold the competitive bicycle vertically. It is characterized by having.

According to the configuration of claim 1, when holding the bicycle stadium vertically on a runway inclined to the left and right,
The saddle of the competition bicycle is supported by the support part and the rear wheel is held by the holding part. At this time, since the support unit provided on the body frame of the bicycle race starter provided with the support part and the holding part can tilt, the competition bicycle held by the support part and the holding part can be By tilting, the competition bicycle can be held vertically. Therefore, when the competition bicycle is held vertically on the runway inclined to the left and right like a conventional starter, it is not necessary to incline and place the entire starter. Can be easily performed by simply tilting the support unit.

  A racing bicycle starter according to claim 2 of the present invention is the racing bicycle starter according to claim 1, wherein the support unit provided with the clamping portion is detachably provided on the main body frame. And

  According to the structure of claim 2, the support unit can be removed from the main frame of the race bicycle starter, so that the holding part for holding the rear wheel of the competition bicycle several times wears out, and the work such as replacement is necessary. In this case, it is possible to easily perform maintenance work such as exchanging the holding portion by removing the support unit tilting from the main body frame of the race bicycle starter.

  According to the race bicycle starter of claim 1, a race bicycle starter that holds the race bicycle to be started vertically before the start of the race bicycle in a bicycle competition, the main body of the race bicycle starter A support unit that can be tilted to the left and right is provided on the frame, a holding portion that holds the rear wheel of the competition bicycle is provided on the support unit, and a support portion that can be tilted in the vertical direction, and the main body frame is disposed to be inclined. In this case, the support unit supports the saddle of the racing bicycle with the support portion and tilts the holding portion that holds the rear wheel of the racing bicycle with respect to the main body frame to hold the competitive bicycle vertically. Therefore, it is possible to easily hold the competition bicycle vertically by tilting the support unit on a runway inclined left and right.

  According to the racing bicycle starter of claim 2 of the present invention, in claim 1, since the support unit provided with the clamping portion is detachably provided on the main body frame, the racing bicycle starter is provided. Since the support unit can be removed from the main frame of the competition bicycle, when the gripping part that repeatedly holds the rear wheel of the competition bicycle wears out and needs to be replaced, it tilts from the main frame of the race bicycle starter. Since the maintenance unit such as the support unit can be removed and the clamping unit can be replaced, a starter with good workability can be provided.

  Hereinafter, the best mode for carrying out the present invention will be described with reference to FIGS. Needless to say, the present invention can be easily applied to configurations other than those described in the embodiments without departing from the spirit of the invention.

  FIG. 1 is a left side view showing a state in which a competition bicycle is held vertically on the racing bicycle starter of the present embodiment, and FIG. 2 is a perspective view showing a state in which the racing bicycle starter is viewed from the rear. Is a plan view thereof. As shown in these drawings, the body bicycle 2 of the racing bicycle starter 1 (hereinafter referred to as a starter) is formed of a metal rectangular tube frame 2A. The four lower corners of the main body frame 2 are provided with fixed casters 3 and 3A that are pivotally supported while being freely changed in direction, and step on one end of the fixed lever 4 with a foot. Thus, the rotational movement of the fixed caster 3 can be fixed. In order to open the fixed casters 3 and 3A so that they can be rotated again and move the starter 1, the end of the fixed lever 4 located on the opposite side of the one end is depressed. It becomes possible to rotate.

  4 and 5 are rear views of the starter, and the jack stand 5 is attached below the left side of the main body (the left side shown in FIGS. 4 and 5). The jack stand 5 determines the starter 1 in advance. When the installation is performed so as not to move from the position, the fixed casters 3 and 3A are all in a movable state (the state shown in FIG. 4) of the starter 1 installed on the ground. As shown in FIG. 5, when the starter 1 can be moved to a predetermined position near the start line on the runway of the cycling competition, and cannot be moved from the predetermined position, as shown in FIG. The lower surfaces of the two jack stands 5 of the starter 1 are installed on the runway. At this time, the upper and lower levers 5A provided on the jack stunt 5 are pushed down so that the lower end of the jack stand 5 extends and comes into contact with the ground, and the fixed casters 3 provided in the vicinity thereof are separated so as not to come into contact with the ground. The starter 1 can be installed so as not to move by the two cast stands 5 and the fixed casters 3A in contact with the ground.

  When the starter 1 installed on the ground is moved, the fixed casters 3 provided at the four corners on the lower end side of the frame 2 are fixed by pushing up and fixing the upper and lower levers 5A that move the lower end of the jack stand 5 up and down. , 3A are all brought into contact with the ground, and the starter 1 is brought into the movable state described above in a state where the jack stand 5 is contracted upward so as not to contact the ground. By the way, the jack stand 5 is a commonly used stepping type jack stand 5 that can be expanded and contracted to a predetermined height by stepping on the above-described vertical lever 5A with a foot and fixed. And the release can be repeated.

  Reference numeral 10 denotes a support unit that supports the cylindrical pipe portion 31A provided on the saddle 31 of the competition bicycle 30 and sandwiches the rear wheel.

  In the support unit 10, a cylindrical shaft portion 11 formed integrally with the support unit 10 is pivotally supported by a shaft hole 12 formed in the main body frame 2 so as to be able to tilt left and right. Yes. An arc-shaped guide groove 13 is formed below the shaft hole 12 of the main body frame 2, and the guide shaft 14 of the support unit 10 is inserted into the guide groove 13 so as to protrude rearward. The support unit 10 can be tilted with respect to the main body frame 2 within the range of the movable angle θ of the guide shaft 14 inserted into the guide groove 13 with the portion 11 as a fulcrum. 10 can be fixed to the main body frame 2 by a fixing means 15 provided on the guide shaft 14 in a state where it is inclined at a desired angle. The support unit 10 can be attached to and detached from the main body frame 2, and a Y-shaped support portion 20 that holds the pipe portion 31 </ b> A of the saddle 31 of the competition bicycle 30 is tiltable at one end on the front side of the support unit 10. Is provided. Then, while holding the rear wheel 32 of the competition bicycle 30 by a pair of clamping portions 16 provided below the support unit 10, the pipe portion 31A of the competition bicycle is brought into contact with the inside of the Y-shaped support portion 20, The competition bicycle 30 can be held.

  In addition, a booster link mechanism 17 is provided on the lower front side of the support unit 10 to simultaneously move each of the pair of holding portions 16, and pressure is accumulated in an air tank 18 as a power source attached to the main body frame 2. By actuating a single air cylinder 19 with the pressure of the air thus generated, the booster link mechanism 17 is driven, and the pair of clamping parts 16 are simultaneously actuated via the driven booster link mechanism 17. It has become. As shown in FIG. 6, the booster link mechanism 17 has a symmetric link arm 17A so that each of the pair of opposed clamping parts 16 operates in the same manner, and the lever action of these link arms 17A Each clamping part 16 can be moved and the rear wheel 32 of the competition bicycle 30 can be firmly clamped and held by the pair of clamping parts 16. Therefore, for example, compared with a structure in which the motive power for moving the clamping portion is directly moved only by the air pressure of the air cylinder, a pair of power is amplified after the force is amplified by the link arm 17A of the boost link mechanism 17. The holding portion 16 can press and hold both sides of the rear wheel 32 of the competition bicycle 30 with a force of about 40 to 50 kgf to be firmly held and held.

  Note that the air tank is not a cylinder that has been used as a power source for the pair of sandwiching parts as in the conventional starter, but an air tank 18 that can be filled with air by a general versatile air compressor. Therefore, if there is this air compressor, the air tank 18 can be easily filled with air.

  As described above, according to the above-described configuration, the starter 1 is a starter that holds the competition bicycle 30 to be started vertically before the start of the competition bicycle 30 in the bicycle competition, and the main body frame 2 of the starter 1 The support unit 10 that can be tilted to the left and right is provided, and the support unit 10 is provided with a holding part 16 that holds the rear wheel 32 of the competition bicycle 30 and a support part 20 that can be tilted in the vertical direction. When the main body frame 2 of the starter 1 is inclined, the pipe portion 31A provided on the saddle 31 of the competition bicycle 30 is brought into contact with and supported between the Y-shaped support portions 20 and the rear of the competition bicycle 30. The support unit 10 that holds the competition bicycle 30 vertically by tilting the holding portion 16 holding the wheel 32 with respect to the main body frame 2 is provided. Accordingly, for example, when the competition bicycle 30 on which the player rides is held vertically on a runway inclined left and right, the saddle 31 of the competition bicycle 30 is supported by the support portion 20 and the rear wheel 32 of the competition bicycle 30 is sandwiched. 16 to hold. At this time, since the support unit 10 provided in the main body frame 2 of the starter 1 provided with the support portion 20 and the sandwiching portion 16 can tilt, the competition bicycle 30 held by the support portion 20 and the sandwiching portion 16 is supported. The competition bicycle 30 can be held vertically by tilting the support unit 10. Therefore, when a competitive bicycle is held vertically on a runway that is inclined to the left and right like a conventional starter, it is not necessary to incline and place the heavy starter before the start of a bicycle race. In this case, the work of holding the competition bicycle 30 that needs to be performed as quickly as possible can be easily performed by tilting the support unit 10 included in the starter 1, not simply tilting the entire starter. The competition bicycle 30 can be easily held vertically. Furthermore, since the support unit 10 provided with the clamping portion 16 is detachably provided on the main body frame 2 of the starter 1, the support unit 10 can be detached from the main body frame 2, for example, Maintenance such as replacement of the holding part 16 by removing the support unit 10 from the main body frame 2 of the starter 1 when the holding part 16 etc. for holding the rear wheel 32 several times wears out and needs to be replaced. Since the work can be easily performed, the starter 1 with improved workability can be provided.

It is a left view which shows the state which hold | maintained the competition bicycle to the starter for competition bicycles of this invention. It is a perspective view which shows the state which looked at the competition bicycle starting machine from back. It is a top view which shows the state which looked at the starting machine for competitive bicycles from the top same as the above. It is a rear view which shows the movable state of the starter for competitive bicycles same as the above. It is a rear view which shows the state which installed the starting machine for competitive bicycles on the runway same as the above. It is a front view which shows the principal part of the starter for competitive bicycles same as the above. It is a perspective view which shows the starter for competitive bicycles conventionally used.

Explanation of symbols

1 starter (starter for competitive bicycles)
2 Body frame 10 Support unit 16 Nipping part 20 Support part 30 Competition bicycle 31 Saddle 32 Rear wheel

Claims (2)

  A competition bicycle starter that holds a competition bicycle to be started vertically before the start of the competition bicycle in a bicycle competition, the body frame of the competition bicycle starter is provided with a support unit that can be tilted left and right, The support unit is provided with a holding portion for holding the rear wheel of the competitive bicycle and a support portion that can be tilted in the vertical direction, and supports the saddle of the competitive bicycle with the support portion when the main body frame is inclined. And a support unit for holding the competition bicycle vertically by tilting the holding portion that holds the rear wheel of the competition bicycle with respect to the main body frame. The racing bicycle starter according to claim 1, wherein the support unit provided with the clamping portion is detachably provided on the main body frame.

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