JP2020069942A - Wheel mounting auxiliary device - Google Patents

Abstract

To provide a wheel mounting auxiliary device that mounts a wheel having a quick release (QR) correspondence hub to a through axle (TA) system vehicle body.SOLUTION: A wheel mounting auxiliary device has: an external screw side adjustment part inserted into a TA fixation circular hole having a screw cutting part, having the screw cutting part screwed in the screw cutting part of the TA fixation circular hole on the surface, having one end side coming in abutment with a first hub side face of a hub of the QR system, and having a hub axle arrangement space for arranging a first hub axle; an internal screw side adjustment part being the internal screw side adjustment part inserted into the TA penetration circular hole having no screw cutting part, having an axle shaft arrangement circular hole having the screw cutting part inside, having a flange part with one end side coming in abutment with a second hub side face and coming in abutment with a vehicle body, and having a hub axle arrangement space for arranging one other hub axle; and an axle part having an axle shaft part being the axle shaft part for penetrating through an axle shaft arrangement circular hole of the external screw side adjustment part, a first hub axle, the inside of a second hub axle, and having a member screwed in the screw cutting part formed in the inside of the internal screw side adjustment part in one end.SELECTED DRAWING: Figure 2

Description

  BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wheel mounting auxiliary device for mounting a wheel of a bicycle or the like on a vehicle body, and more particularly to a device for mounting a wheel having a different mounting method on a vehicle body.

  As a conventional method for attaching a bicycle wheel, there are a bolt / nut method, a quick release method, a through axle method, and the like. Such a wheel mounting method is also applicable to a running bike.

  Here, the running bike RB will be described with reference to FIG. The running bike RB is a kind of bicycle for children, and is a vehicle that gets propulsion by kicking the ground with its feet. It has a structure in which drive mechanisms such as pedals, chains, and gears, and braking mechanisms such as brake pads and brake levers are removed from the structure of a general bicycle (above, refer to Non-Patent Document 1).

  The quick release method will be described with reference to FIG. As shown in FIG. 16A, the quick release system has one end opened using a mounting device called a quick release QR and a quick release system compatible hub QH (hereinafter referred to as a quick release compatible hub QH). In this method, wheels are mounted on a vehicle body having a front fork QFF having a mounting groove QS at its end.

  As shown in FIG. 16B, the quick release QR has a quick release lever QRL, a quick release shaft QRS, an adjusting nut QRN, and a bamboo shoot spring (not shown). An end region of the quick release shaft QRS, which is located on the adjusting nut QRN side, is threaded, and is screwed into a screw portion formed inside the adjusting nut QRN. The quick release shaft QRS is screwed into the adjustment nut QRN, and further, the quick release lever QRL is rotated in a predetermined direction to clamp the hub QH by using the quick release lever QRL and the adjustment nut QRN, and to remove the front fork QFF. Fix in between.

  As shown in FIG. 17, the quick release hub QH includes a cylindrical first hub shaft QH1 and a second hub shaft QH3 (not shown) which are inserted into the mounting groove QS formed in the front fork QFF. No.) are provided at both left and right ends. The first hub shaft QH1 and the second hub shaft QH3 have through holes through which the quick release shaft QRS passes. The through hole is formed so as to penetrate the entire quick release hub QH.

  In contrast to the wheel mounting method using the quick release method described above, a wheel mounting method using the through-axle method, which takes safety and stability into consideration, has recently appeared. As shown in FIG. 18A, the through-axle system is a circular hole which is not opened by using a mounting device called a through-axle TA and a hub TH compatible with the through-axle system (hereinafter, referred to as a through-throx compatible hub TH). This is a system in which wheels are attached to a vehicle body having a front fork TFF having a TC at its end.

  As shown in FIG. 18B, the through axle TA has a through axle lever TAL and a through axle shaft TAS. The through-axle shaft TAS has a threaded portion RTAS located at the end on the side different from the through-axle lever TAL, and is screwed into the threaded portion formed in the circular hole of the front fork TFF. The through axle shaft TAS has a larger diameter than the quick release shaft QRS.

  The thru-axle compatible hub TH has cylindrical hub shafts that come into contact with the inner surface of the front fork TFF at both left and right ends. The hub axle has a through hole through which the through axle shaft TAS passes. The through hole is formed so as to penetrate the entire hub THA corresponding to the through axle.

  As shown in FIG. 19, the thru-axle compatible hub TH is arranged inside the front fork TFF, and the through-axle shaft TAS is formed in the front fork TFF and is not threaded inward. Inserted into the through hole of the axle-compatible hub TH and the through-axle fixing circular hole TC1 (not shown) that is threaded inward and is operated by the front fork TFF, and the through-axle shaft TAS is threaded into the front fork TFF. After being screwed into the through-hole fixing circular hole TC1 that is formed, the through-axle hub TH is rotated by rotating the through-axle lever TAL in a predetermined direction, as shown in FIG. 18A. Fix between TFF.

Mamegyorai Co., Ltd., "STRIDER" [online], search June 10, 2018, Internet <URL: http: //www.strider.jp/index.html>

  As described above, the quick release method and the thru-axle method differ in the method of mounting the wheels and also in the method used for mounting. Therefore, there is a point to be improved that the wheel using the quick release compatible hub QH cannot be attached to the through-axle type vehicle body.

  Therefore, an object of the present invention is to provide a wheel mounting auxiliary device that mounts wheels having different mounting methods on a vehicle body.

  The means for solving the problems in the present invention and the effects of the invention will be shown below.

  A wheel mounting auxiliary device according to the present invention is a wheel mounting auxiliary device for mounting a wheel having a quick release type hub to a through-axle type vehicle body, which is formed on the vehicle body and has a threaded portion. An outer screw side adjusting portion to be inserted into the hole, the surface having a threaded portion to be screwed into the threaded portion of the through-axle fixing circular hole, and one end surface of which is the first of the quick release hub. An outer screw side adjusting part having a hub shaft arrangement space for arranging a first hub shaft protruding from the first hub end face of the quick release type hub, the outer screw side adjusting part being formed in the vehicle body, An inner screw side adjusting portion that is inserted into a through-axle through circular hole that does not have a cut portion, and has an axial shaft arranging circular hole that has a screw cut portion inside, and one end surface is the first hub end. And a second hub end surface different from that of the second hub, and a flange portion that abuts on the vehicle body, and an inner screw side adjustment having a hub shaft arrangement space for arranging another hub shaft of the quick release hub. Portion, the shaft shaft arrangement circular hole of the outer screw side adjusting portion, and the shaft shaft portion penetrating the inside of the first hub shaft and the second hub shaft, the inner screw side adjusting A shaft portion having a shaft shaft portion having at one end a threaded portion that is screwed into the threaded portion formed inside the portion.

  As a result, the wheel having the hub compatible with the quick release system can be attached to the vehicle body of the through axle system. That is, wheels having different mounting methods can be mounted on the vehicle body.

  In the wheel mounting auxiliary device according to the present invention, the outer screw side adjusting portion has a hub-vehicle body adjusting portion in which a hub side end surface abuts on the first end surface and a vehicle body side end surface abuts on the vehicle body. It is characterized by

  Accordingly, the distance between the hub and the vehicle body can be easily adjusted, and thus the wheel can be attached to the vehicle body more easily and reliably by using the wheel attachment auxiliary device.

  In the wheel attachment assisting device according to the present invention, the inner screw side adjusting portion has a hub-vehicle body adjusting portion in which a hub side end surface abuts on the second end surface and a vehicle body side end surface abuts on the vehicle body. It is characterized by

Accordingly, the distance between the hub and the vehicle body can be easily adjusted, and thus the wheel can be attached to the vehicle body more easily and reliably by using the wheel attachment auxiliary device.

1 is a perspective view showing a running bike RB to which a wheel mounting auxiliary device 100, which is an embodiment of a wheel mounting auxiliary device according to the present invention, is mounted. FIG. 3 is a perspective view of the entire wheel mounting auxiliary device 100. It is a figure which shows the outer screw fitting part 101a. It is a figure which shows the inner screw fitting part 103a. It is a figure which shows the shaft part 105. It is a figure which shows the usage of the wheel attachment auxiliary device 100. It is a figure which shows the usage of the wheel attachment auxiliary device 100. It is a figure which shows the usage of the wheel attachment auxiliary device 100. It is a figure which shows the usage of the wheel attachment auxiliary device 100. It is a figure which shows the usage of the wheel attachment auxiliary device 100. It is a figure which shows the usage of the wheel attachment auxiliary device 100. It is a figure which shows the usage of the wheel attachment auxiliary device 100. It is a figure which shows the usage of the wheel attachment auxiliary device 100. It is a figure which shows the other wheel attachment auxiliary device. It is a figure which shows the attachment method of the conventional wheel. It is a figure which shows the attachment method of the conventional wheel. It is a figure which shows the attachment method of the conventional wheel. It is a figure which shows the attachment method of the conventional wheel. It is a figure which shows the attachment method of the conventional wheel.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

  A wheel mounting auxiliary device 100, which is an embodiment of a bicycle wheel removal prevention device according to the present invention, will be described. The wheel attachment auxiliary device 100 is an auxiliary device that attaches a wheel having a hub QH compatible with the quick release system (hereinafter referred to as a quick release compatible hub QH) to a vehicle body compatible with the through axle system.

Structure of First Wheel Attachment Auxiliary Device 100 As shown in FIG. 2, the wheel attachment auxiliary device 100 has an outer screw side adjusting portion 101, an inner screw side adjusting portion 103, and a shaft portion 105.

1. Structure of outer screw side adjusting portion 101 The outer screw side adjusting portion 101 has an outer screw fitting portion 101a and a hub-fork adjusting portion 101b. The outer screw fitting portion 101a is formed on the front fork TFF of the through axle system, and is inserted into the through axle fixing circular hole TC1 (see FIG. 9) that is internally threaded.

  The outer screw fitting portion 101a is shown in FIG. FIG. 3A shows a state in which the outer screw fitting portion 101a is attached to the front fork TFF (see FIG. 1) as seen from the outside, and FIG. 3B shows the outer screw fitting portion 101a attached to the front fork TFF. The state when viewed from the inside is shown.

  As shown in FIG. 3A, the outer screw fitting portion 101a has a screw portion 101a1, a shaft head placement space 101a3, a shaft shaft placement circular hole 101a5, and a hub shaft placement space 101a7 (see FIG. 3B). .. The screw portion 101a1 has a hollow cylindrical shape. The outer surface of the screw portion 101a1 is threaded. The screw portion 101a1 is screwed into the through axle fixing circular hole TC1 of the through axle type front fork TFF. That is, the screw portion 101a1 has the same diameter as the through-axle fixing circular hole TC1. 3A and 3B, the threaded state is omitted.

  As shown in FIG. 3A, a shaft head arrangement space 101a3, a shaft shaft arrangement circular hole 101a5, and a hub shaft arrangement space 101a7 (see FIG. 3B) are formed inside the screw portion 101a1. The shaft head arrangement space 101a3, the shaft shaft arrangement circular hole 101a5, and the hub shaft arrangement space 101a7 are integrally formed as a through hole formed inside the screw portion 101a1.

  The shaft head placement space 101a3 is formed at the outer end. The shaft head arrangement space 101a3 has a diameter larger than the diameter of the shaft shaft arrangement circular hole 101a5. A shaft head 105a (described later) of the shaft portion 105 is arranged in the shaft head arrangement space 101a3.

  As shown in FIG. 3B, the shaft shaft disposition circular hole 101a5 is formed inward from the shaft head disposition space 101a3 to the hub shaft disposition space 101a7 formed at the other end. A shaft shaft portion 105b (described later) of the shaft portion 105 is arranged in the shaft shaft arrangement circular hole 101a5.

  The hub shaft arrangement space 101a7 is formed at the inner end of the screw portion 101a1. A first hub shaft QH1 (see FIG. 17, etc.) of the quick release compatible hub QH is arranged in the hub shaft arrangement space 101a7.

  As shown in FIG. 2, the hub-fork adjusting portion 101b has a thin annular shape. As shown in FIG. 8B, the hub-fork adjusting unit 101b allows the hub QH having a length corresponding to the quick release system to be arranged without gap between the front forks of the through-axle system different from the quick release system. , The first hub shaft QH1 of the hub QH is located between the protruding first end face PQH1 and the first inner side face PTFF1 of the front fork TFF.

2. Structure of Inner Screw Side Adjusting Section 103 As shown in FIG. 2, the inner screw side adjusting section 103 has an inner screw fitting section 103a and a hub-fork adjusting section 103b. The inner screw fitting portion 103a is formed on a front fork of a through axle system, and is inserted into a through axle through hole TC3 (see FIG. 10) which is not threaded.

  The inner screw fitting portion 103a is shown in FIG. FIG. 4A shows a state in which the inner screw fitting portion 103a is viewed from the outside when it is attached to the front fork TFF, and FIG. 4B shows an inner screw fitting portion 103a from the inside when it is attached to the front fork TFF. The states as seen are shown.

  As shown in FIG. 4A, the inner screw fitting portion 103a has a flange portion 103a1, a shaft portion 103a3, a shaft shaft arrangement circular hole 103a5, and a hub shaft arrangement space 103a7. The flange portion 103a1 has a thin disc shape. The flange portion 103a1 has an outer diameter larger than the diameter of the through-axle through hole TC3 of the through-fork type front fork TFF. That is, the flange portion 103a1 comes into contact with the front fork TFF when the shaft portion 103a3 is inserted into the through-axle through hole TC3 of the front fork TFF.

  The shaft portion 103a3 has a hollow cylindrical shape. The shaft portion 103a3 has the same outer diameter as the diameter of the through-axle through hole TC3 of the through-fork type front fork TFF.

  A shaft shaft arrangement circular hole 103a5 and a hub shaft arrangement space 103a7 are formed inside the flange portion 103a1 and the shaft portion 103a3. The shaft head arrangement space 103a3, the shaft shaft arrangement circular hole 103a5, and the hub shaft arrangement space 103a7 are integrally formed as a through hole formed inside the flange portion 103a1 and the shaft portion 103a3.

  The shaft shaft arrangement circular hole 103a5 is formed from the hub shaft arrangement space 103a7 formed at the end portion of the shaft portion 103a3 toward the outside to the flange portion 103a1 located at the other end portion. A shaft shaft portion 105b (described later) of the shaft portion 105 is arranged in the shaft shaft arrangement circular hole 103a5. Further, a predetermined region of an end portion of the shaft shaft arrangement circular hole 103a5 on the flange portion 103a1 side is threaded. In FIGS. 4A and 4B, the threaded state is omitted.

  As shown in FIG. 4B, the hub shaft arrangement space 103a7 is formed at the inner end of the shaft portion 103a3. The hub shaft placement space 103a7 is the same as the hub shaft placement space 101a7 of the outer screw fitting portion 101a, and thus detailed description thereof will be omitted.

The hub-fork adjusting portion 103b shown in FIG. 2 is similar to the hub-fork adjusting portion 101b of the outer screw fitting portion 101a, and thus detailed description thereof will be omitted.
3. Structure of Shaft Part 105 The shaft part 105 is inserted into the shaft shaft arrangement circular hole 101a5 of the outer screw fitting portion 101a and the shaft shaft arrangement circular hole 103a5 of the inner screw fitting portion 103a.

  The shaft 105 is shown in FIG. The shaft portion 105 has a shaft head portion 105a and a shaft portion 105b. The shaft head 105a has a cylindrical shape. The shaft head portion 105a is located in the shaft head placement space 101a3 of the outer screw fitting portion 101a in a state where the front wheel FW is fixed to the front fork TFF by using the wheel mounting auxiliary device 100. The shaft head portion 105a has a larger diameter than the shaft shaft portion 105b.

The shaft portion 105b has an elongated cylindrical shape. The region R105b of the shaft shaft portion 105b, which is different from the end portion on the side where the shaft head portion 105a is located, is threaded. The threaded region R105b of the shaft shaft portion 105b is screwed with the threaded region formed on the flange portion 103a1 side of the shaft shaft arrangement circular hole 103a5 of the inner screw fitting portion 103a.

Second usage method of wheel mounting auxiliary device 100 As a usage example of the wheel mounting auxiliary device 100, a case where a quick release type front wheel is attached to a running bike RB having a front fork TFF of a through axle type is illustrated in FIG. This will be described using 13. The structure of the running bike RB having the thru-axle type front fork TFF is the same as the conventional one (see FIG. 15 and the like).

  As shown in FIG. 6A, the user prepares a hub QH for quick release and a front wheel FW in which a tire T is attached to a wheel W in which a spoke S is mounted on a rim R. As shown in FIG. 6B, the quick-release compatible hub QH includes a pair of left and right first hub shafts QH1, which project outward from the left and right first end surfaces PQH1 and PQH3 (not shown). It has a second hub axle QH3 (not shown).

  As shown in FIG. 7A, the user attaches the hub-fork adjusting unit 101b to the prepared front wheel FW. When the hub-fork adjusting portion 101b is attached, as shown in FIG. 7B, the hub-fork adjusting portion 101b is attached to the end surface P101b (not shown: see end surface P103b) corresponding to the quick release system compatible hub QH. The first hub shaft QH1 is positioned in the central opening H101b of the annular hub-fork adjusting portion 101b in alignment with the first end surface PQH1 of the hub QH (see FIG. 8B). Similarly, the hub-fork adjusting portion 103b (not shown) is attached to the front wheel FW.

  Then, as shown in FIG. 8A, the user disposes the front wheel FW to which the hub-fork adjusting portions 101b and 103b are attached between the front forks TFF. At this time, the user adjusts the center opening H101b of the hub-fork adjusting portion 101b to the through-axle fixing circular hole TC1 of the front fork TFF and adjusts the hub-fork adjusting portion 103b as shown in FIG. 8B. Of the front forks TFF are arranged so that the center openings H103b of the two are aligned with the through-hole through holes TC3 of the front forks TFF.

  As shown in FIG. 9, the user inserts the outer screw fitting portion 101a into the through-axle fixing circular hole TC1 of the front fork TFF. As shown in FIG. 11B, with respect to the outer screw fitting portion 101a, the outer screw fitting until the first hub shaft QH1 of the hub QH is arranged in the hub shaft arrangement space 101a7 of the outer screw fitting portion 101a. The threaded portion 101a1 of the joint portion 101a is inserted into the through-axle fixing circular hole TC1 while being screwed into the threaded portion of the through-axle fixing circular hole TC1.

  Further, as shown in FIG. 10, the user inserts the inner screw fitting portion 103a into the through-axle through hole TC3 of the front fork TFF. As shown in FIG. 11B, regarding the inner screw fitting portion 103a, the inner screw fitting portion 103a is arranged such that the hub shaft QH3 of the hub QH is arranged in the hub shaft placement space 103a7 of the inner screw fitting portion 103a. The shaft portion 103a3 (see FIG. 4) of 103a is inserted into the through-axle through hole TC3.

  As shown in FIG. 12A, the user inserts and attaches the shaft portion 105 from the outer screw fitting portion 101a attached to the front fork TFF toward the inner screw fitting portion 103a. When attaching the shaft portion 105, as shown in FIG. 12B, the shaft portion 105b of the shaft portion 105 is moved from the shaft shaft arrangement circular hole 101a5 of the outer screw fitting portion 101a to the first hub shaft QH1 of the hub QH. , The second hub axle QH3, the shaft shaft arrangement circular hole 103a5 of the inner screw fitting portion 103a, and the threaded region R105b of the shaft shaft portion 105b of the shaft portion 105, the through axle penetrating circle of the front fork TFF. The shaft head portion 105a is arranged in the shaft head arrangement space 101a3 of the outer screw fitting portion 101a by being screwed into the threaded portion inside the hole TC3. FIG. 13 shows a state in which the shaft portion 105 is arranged and the front wheel FW is attached to the front fork TFF by using the wheel attachment auxiliary device 100.

As a result, by the shaft head portion 105a of the shaft portion 105 and the flange portion 103a1 of the inner screw fitting portion 103a, the outer screw fitting portion 101a, the hub-fork adjusting portions 101b and 103b, and the inner screw fitting portion 103a. The hub QH can be sandwiched between the front forks TFF and fixed. That is, the front wheel FW using the quick release type hub QH can be fixed to the through-axle type front fork TFF by using the wheel mounting auxiliary device 100.

[Other Embodiments]
(1) Use of Hub-Fork Adjusting Units 101b and 103b: In the first embodiment, the hub-fork adjusting units 101b and 103b are used to convert the quick release hub QH into a through-axle front fork TFF. Although it is attached, if the quick release compatible hub QH can be sandwiched and sufficiently fixed by using the outer screw fitting portion 101a and the inner screw fitting portion 103a, the wheel mounting auxiliary device 200 shown in FIG. In addition, the hub-fork adjusting portions 101b and 103b may not be used.

  (2) Outer screw fitting portion 101a: In the first embodiment, the outer screw fitting portion 101a has a hollow cylindrical shape. However, the outer end portion of the front fork TFF contacts the outer surface of the front fork TFF. You may make it form a flange part. With this, since the protruding length of the outer screw fitting portion 101a to the inside of the front fork TFF can be defined, the outer screw fitting portion 101a and the front wheel FW can be more easily attached to appropriate positions.

  (3) Front fork TFF: In the first embodiment described above, the front wheel FW is attached to the front fork TFF, which is a part of the through-axle type vehicle body, using the wheel attachment auxiliary device 100. It may be used when attaching the rear wheel to.

(4) Running Bike RB: In the first embodiment described above, the wheels are attached to the through-axle type running bike RB by using the wheel attachment assisting device 100, but the through-axle type vehicle body is compatible with quick release. As long as the wheels are mounted using the hub HQ, the present invention is not limited to this, and may be, for example, a road bike or a mountain bike.

The wheel attachment assist device according to the present invention can be used, for example, in a running bike.

100 Wheel Attachment Aid Device 101 Outer Screw Side Adjusting Part 101a Outer Screw Fitting Part 101a1 Screw Part 101a3 Shaft Head Positioning Space 101a5 Shaft Shaft Positioning Circular Hole 101a7 Hub Shaft Positioning Space 101b Hub-Fork Adjusting Unit 103 Inner Screw Side Adjusting Unit 103a Inner screw fitting portion 103a1 Flange portion 103a3 Shaft portion 103a5 Shaft shaft arrangement circular hole 103a7 Hub shaft arrangement space 103b Hub-fork adjusting portion 105 Shaft portion 105a Shaft head portion 105b Shaft shaft portion 200 Wheel mounting auxiliary device

QH Quick release compatible hub QH1 1st hub axle PQH1 1st hub end surface QH3 2nd hub axle QFF Quick release type front fork TFF Through axle type front fork PTFF1 1st inside surface TC1 Through axle fixing circular hole TC3 Through Axle Through Hole RB Running Bike

Claims (3)

A wheel attachment auxiliary device for attaching a wheel having a quick release type hub to a through axle type vehicle body,
An outer screw side adjustment portion formed in the vehicle body and inserted into a through-axle fixing circular hole having a threaded portion, the external surface having a threaded portion screwed into the threaded portion of the through-axle fixing circular hole. A hub shaft arrangement space having a first hub shaft having one end surface abutting on a first hub end surface of the quick release hub and projecting from the first hub end surface of the quick release hub. Outer screw side adjustment part having
An inner screw side adjusting portion that is formed in the vehicle body and is inserted into a through-axle through circular hole that does not have a threaded portion, and has an axial shaft arrangement circular hole that has a threaded portion inside and one end surface A hub shaft arrangement space for arranging a flange portion that abuts on a second hub end surface different from the first hub end surface and that abuts on the vehicle body, and another hub shaft of the quick release hub. Inner screw side adjusting part having
A shaft shaft portion penetrating the inside of the shaft shaft arrangement circular hole of the outer screw side adjusting portion, the first hub shaft, and the second hub shaft, wherein the inner screw side adjusting portion A shaft portion having a shaft shaft portion having at one end a threaded portion that is screwed into the threaded portion formed inside,
Wheel attachment assisting device. In the wheel mounting auxiliary device according to claim 1,
The outer screw side adjustment section,
A hub-vehicle body adjusting portion having a hub-side end surface abutting on the first end surface and a vehicle body-side end surface abutting on the vehicle body;
Wheel mounting auxiliary device characterized by. In the wheel mounting auxiliary device according to claim 1 or 2,
The inner screw side adjusting section,
A hub-vehicle body adjustment portion having a hub-side end surface abutting on the second end surface and a vehicle body-side end surface abutting on the vehicle body;
Wheel mounting auxiliary device characterized by.

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