JP2016013825A - Side stand with safety lamp for bicycle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a side stand with a safety lamp for a bicycle, which is easily attached to and detached from the bicycle and allows original use of a side stand for a bicycle, use as a safety lamp directed to the rear and side of a bicycle during night running or the like, and use as a hand-held safety lamp.SOLUTION: At the rear end of a side stand body 10, a fitting part (engaged part) 14a is provided for engagement with a protruding part (engaging part) 2c of a mounting member 2 attached to a frame end part of a bicycle. On the side stand body 10, a light source unit and a light guide member 16, which refracts and irregularly reflects the light emitted from the light source into a high-luminance and transmits the same, are arranged, so that the light can be seen from a far position outside the side stand body 10.

Description

  The present invention relates to a bicycle side stand with a safety light that can be used as an original use of a bicycle side stand, as a taillight / safety light, and as a handheld safety light.

  Many types of commercially available general-purpose bicycles are provided with a side stand for preventing tilting, and the conventional side stand has a structure that functions only as a stand. On the other hand, many sports-type bicycles for road cycles are commercially available without a side stand. The main reason is that bicycle enthusiasts refrain from permanently installing a stand on the bicycle because of its appearance. For this reason, conventionally, when this type of bicycle is parked, a method of leaning it against an iron fence on a sidewalk, a standing tree, a wall of a building, or the like has been adopted. However, there is not always an environment where parking by standing is possible, and it is inconvenient if there is no stand for daily bicycle use. For this reason, recently, a side stand that can be retrofitted by a bicycle owner has been developed (Patent Document 1).

JP 2007-223574 A

  However, the bicycle side stand described in Patent Document 1 is of a type that is attached to the attachment member attached to the frame end portion of the bicycle in a state where it cannot be easily removed and is moved rearward and upward during bicycle travel. . For this reason, this type of bicycle side stand does not solve the problem that the above-mentioned bicycle enthusiast refrains from permanently installing the stand on the bicycle from the appearance.

  The present invention can be used as a side stand by a bicycle owner who is not equipped with a stand for parking, and can be used as a side stand when parked, and can be held on a bicycle seat stay or stored in a bag when riding a bicycle. A bicycle with a safety light that can be used as a side light, tail light, etc. while being held on the bicycle seat stay when the bicycle is running at night, etc., and can be used as a hand-held safety light by removing it from the bicycle The problem to be solved is to provide a side stand.

  A bicycle side stand with a safety light according to claim 1 has a side stand main body that becomes a side stand of a bicycle, and is engaged with an engaging portion of a mounting member attached to a frame end portion of a bicycle rear wheel at a rear portion of the side stand main body. The side stand main body is detachably supported on the bicycle side, and the side stand main body is provided with a light source unit on which the light display device is mounted, and the output light from the light display device is refracted and diffusely reflected. And a light guide member that transmits light and outputs it to the outside in a state of high illuminance.

  The bicycle side stand with a safety light according to claim 2 further has a bottomed cylindrical shape in which the side stand main body is closed at a tip portion to be a grounding portion and provided with one or a plurality of windows on a side wall surface. In the side stand main body, the light source unit and the light guide member partially including a portion for closing the window are disposed.

  A bicycle side stand with safety light according to a third aspect is the bicycle side stand with safety light according to the first aspect, wherein a substantially front half of the side stand main body is constituted by the light guide member.

  According to the bicycle side stand with a safety light according to the present invention, it can be easily attached to and detached from a bicycle not equipped with the side stand. When the bicycle is not used as a side stand, it can be held at a position along the seat stay, etc. When the bicycle is driven at night, it can be used as a safety light (tail light / side light) for the bicycle in this state. it can. It can also be removed from the bicycle and used as a hand-held safety light or warning light.

  Preferred embodiments of the invention are described in detail in the following examples.

(A) is the perspective view which showed the bicycle side stand with a safety light which concerns on embodiment of this invention with the accessory, (b) The plane which showed this bicycle side stand with the safety light with the attachment member which is one of the accessories FIG. 4C is a view showing the rear end surface of the bicycle side stand. (A) is front sectional drawing of the side stand for bicycles with a safety light which concerns on 1st Embodiment of this invention, (b) is front sectional drawing which extracted and showed the holder case similarly. (A) is the figure which looked at the light guide member from diagonally upward, (b) is the figure which looked from the diagonally same bottom. The partial perspective view which took out and showed the holder case from the side stand for bicycles with a safety light concerning a 1st embodiment of the present invention. FIG. 6A is a partially enlarged view of FIG. 2A, and FIG. 5B is a cross-sectional view taken along line AA in FIG. The figure which showed the bicycle parking state which attached the bicycle side stand with a safety light. FIG. 4A is a rear cross-sectional view of a rear axle vicinity portion illustrating a mounting structure of the mounting member, and FIG. 4B is a perspective view illustrating a mounting method of the mounting member. (A) is the side view of the bicycle rear part which mounted | wore the holding member, (b) is the fragmentary perspective view which showed the holding member with the mounting location. The figure which showed the state which attached the side stand for bicycles with a safety light to the bicycle seat stay. (A) is an enlarged view of a main part of FIG. 9, and (b) and (c) are cross-sectional views showing a mounting structure of a holding member and a method of holding a bicycle side stand with a safety light. (A) is front sectional drawing of the side stand for bicycles with a safety light concerning 2nd Embodiment of this invention, (b) is front sectional drawing which took out and showed the holder case similarly. (A) is a top view of the side stand for bicycles with a safety light which concerns on 3rd Embodiment of this invention, (b) is front sectional drawing similarly, (c) is an AA cut part end elevation in (a).

  FIG. 1 (a) shows a bicycle side stand with safety light (hereinafter referred to as a side stand with safety light) 1 according to the first embodiment of the present invention, and the side stand 1 with safety light as a frame end of a bicycle. There are shown an attachment member 2 to be attached to the part and a holding member 3 for holding the side stand 1 with a safety light along a bicycle seat stay. The safety light-equipped side stand 1, the mounting member 2, and the holding member 3 are provided to the consumer as a bicycle side stand set with a safety light packaged in one package.

  The side stand 1 with a safety light shown in FIGS. 1 (a) and 1 (b) is a lightweight cylindrical member 11 made of any one of light metal, carbon fiber, and hard plastic and strong enough to withstand use as a side stand, Side stand body 10 including a grounding member 12 made of a plastic or rubber plug material attached to the front end of the cylindrical member 11 and a rear plug member 14 detachably attached to the rear end of the cylindrical member 11. In addition, a safety light function is added.

  This side stand 1 with a safety light has a size suitable for a side stand for a road bicycle sports bicycle, for example, a total length of 350 mm and a diameter of 16 mm. The diameter of 16 mm is the minimum size that can accommodate a later-described AAA battery together with the battery holder.

  The grounding member 12 shown in FIGS. 1A and 1B and FIGS. 2A and 2B serves as a grounding part when the side stand 1 with a safety light is used as a bicycle side stand. The grounding member 12 may have a cap shape that covers the tip of the cylindrical member 11 from the outside.

  Most of the rear plug member 14 is detachably mounted in the rear end of the cylindrical member 11 by being fastened by screw fitting. A rear end surface of the rear plug member 14 is provided with a fitting portion (engaged portion) 14 a formed by a square hole that is fitted and engaged with the protruding portion (engaging portion) 2 c of the mounting member 2. The rear plug member 14 functions as a plug that can be attached and detached and functions as a member that attaches the safety light-equipped side stand 1 to the frame end portion of the bicycle via the attachment member 2.

  As shown in FIGS. 1A and 1B, the attachment member 2 which is one of the accessories includes a mounting portion 2a having a ring plate shape and a rectangular tongue projecting obliquely from one end of the mounting portion 2a. It is a metal thick plate product having rigidity, such as iron or stainless steel, integrally formed with a protruding portion 2c made of a piece. The mounting part 2a is a part to be attached to the frame end part, and the projecting part 2c is bent with respect to the mounting part 2a, and the side stand 1 with the safety light is tilted outwardly and downward with respect to the rear wheel of the bicycle. It can be attached.

  In order to give this safety light function to the side stand 1 with safety light, windows 10a, 10a,... Are provided on the front side wall surface, and the light source unit 20 and the light output from the light source are diffusely reflected inside. A light guide member 15 for providing high illuminance is provided. The high illumination light is emitted to the outside through the windows 10a, 10a. For this reason, when the side stand 1 with a safety light is lit and blinked at night, a high illumination light can be confirmed from a remote position.

  The windows 10a, 10a,... Are formed as long holes oriented in the circumferential direction of approximately 45 °, and become side lights and tail lights when the side stand 1 with safety light is attached along the bicycle seat stay. It is like that. The safety light is a general term for such side lights and tail lights. The side stand 1 with a safety light also has a function as a safety light / warning light to be used with one hand.

  As shown in FIGS. 2A and 2B and FIGS. 3A and 3B, the light guide member 16 fills the windows 10a, 10a... And about 120 ° in the circumferential direction on the inner wall of the cylindrical member 11. Are formed in the circular arc surface 16a so as to protrude into the windows 10a, 10a,... An integrally molded product made of plastic having transparency or translucency in which a large number of chevron irregularities 16 c are formed in the length direction of the light guide member 16 is used.

  The light irregular reflection described above by the light guide member 16 is a combination of light refraction and reflection by a large number of mountain-shaped irregularities 16c, 16c... And a convex lens due to the light guide member 16 having a kamaboko shape. It is done efficiently. The light guide member 16 is optimally made of a plastic material having translucent red color suitable for a safety light.

  As shown in FIGS. 2 (a) and 2 (b), the light guide member 16 has a circular arc surface 16a along the inner peripheral surface of the cylindrical member 11, and the protruding steps 16b, 16b,. It is supported in the cylindrical member 11 by a method in which it is closely contacted from the inside. This intrusion prevents rainwater from entering.

  A holding member 3 which is another one of the accessories shown in FIG. 1A is a rubber mounting portion 3a which is a portion to be attached to a bicycle seat stay, and a rubber holding portion 3 which holds the side stand 1 with a safety light. Holding part 3b.

  The mounting portion 3a has an annular shape that is wound around a bicycle seat stay by engaging the long holes 3c, 3c provided at the tip portion with hooks 3d, 3d made of a metal plate. The holding member 3 is not limited to such a type, and any member can be used as long as the side stand 1 with a safety light can be easily attached along the bicycle seat stay. For example, a holding member for attaching the side stand 1 with a safety light to a bicycle seat stay using a hook-and-loop fastener may be used.

  The holding part 3b has a substantially C-shaped cross section. When the side portion of the side stand 1 with safety light is pushed in from the substantially C-shaped open portion, the side stand 1 with safety light is held with repulsive force by rubber.

  As shown in FIGS. 2A and 2B, the light source unit 20 is accommodated in a space 10 b that is a substantially second half portion in the side stand body 10. As shown in FIGS. 2A and 2B and FIG. 4, the light source unit 20 includes a high-illuminance type LED 22, which is a kind of light display device, mounted on the front part of a plastic holder case 18, and on the rear part. The board 24 is mounted and a battery holder 28 is provided between them. A lighting control element 26 and a push button type lighting control switch 25 are mounted on the substrate 24. The battery holder 23 has a size for holding two AAA batteries 27, 27 in series. Battery contacts 28 and 29 are disposed in front of the substrate 24 and behind the LED 22, and one terminal of the lighting control switch 25 and one terminal of the LED 22 are connected via the lighting control element 26 and the batteries 27 and 27. Signal connected. Although not shown, the other terminal of the lighting control switch 25 and the other terminal of the LED 22 are signal-connected by a wiring along the holder case 21. The lighting control switch 25 switches the power ON / OFF, and the blinking control element 26 is internally provided with a signal circuit that repeatedly selects whether the LED 17 is switched on or blinking by repeatedly pressing the lighting control switch 21. ing.

  The light due to the lighting of the LED 22 becomes a light with high illuminance by repeating irregular reflection by a large number of chevron irregularities 16c, 16c... Of the light guide member 16, and lights outward from the windows 10a, 10a. .

  As shown in FIGS. 5A and 5B with reference to FIG. 1A, the ON / OFF operation of the lighting control switch 25 is performed via the push button 15 attached to the side stand body 10. The push button 15 is supported so as to be able to advance and retreat without coming out through a hole 10e provided in the rear side wall surface of the side stand body 10. Since the lighting control switch 25 is located at a height that cannot be directly operated from the outside of the cylindrical side stand body 10, the operation is performed via the push button 15. If the push button 15 is made of rubber, the ON / OFF operation of the lighting control switch 25 is not impacted.

  FIG. 6 shows a state in which the side stand 1 with a safety light is attached to and parked on a sport type bicycle 50 for road cycle. As shown in FIG. 6, the owner of this bicycle, when using the side stand 1 with safety light as a side stand, attaches the mounting member 2 to the bicycle 50 as shown in FIG. The rear end portion of the seat stay 51 and the rear end portion of the chain stay 52 need to be attached to the frame end portion 53 integrated. If it does in this way, it will become a side stand at the time of parking only by fitting the rear-end part of this bicycle side stand 1 with a safety light in the protrusion part (engagement part) 2c of the attachment member 2. FIG.

  The attachment member 2 is attached by using a quick release device 60 for a road type sports bicycle shown in FIG. 7A. The quick release device 60 is a device for mounting the rear wheel hub 55 and the transmission gear 55 between the left and right frame end portions 77 and 77 with a simple operation, and includes a shaft 62 serving as an axle and a base side end portion of the shaft 62. The cam handle 61 is pin-supported to the shaft 62, and the lock nut 63 is screwed to the tip of the shaft 62.

  When the attachment member 2 is attached, it is necessary to pull out the shaft 62 once from the frame end portions 77 and 77 as shown in FIG. After this pulling out, as shown in FIG. 7A, the mounting member 2 is fitted into the shaft 62 and the mounting member 2 is mounted in a posture in which the protruding portion (engaging portion) 2c of the mounting member 2 faces downward. The portion 2 a is sandwiched between the frame end portion 77 and the cam handle 61. In this state, when the shaft 62 is returned to the original position, the lock nut 63 is reattached, and the cam handle 61 is tightened, the attachment member 2 is firmly connected between the outer surface of the frame end portion 77 and the cam handle 61. It is mounted in a state of being pinched firmly. Although the attachment member 2 is always attached to the bicycle, it is a small metal piece and is attached to an inconspicuous place that does not interfere with the use of the bicycle, so it does not affect the appearance and weight of the bicycle. .

  8A and 8B show a state in which the holding member 3 is attached to the bicycle seat stay 51. FIG. When the holding member 3 is attached to the seat stay 51, the side stand 1 with safety light can be held at a position along the seat stay 51 with one touch when the side stand 1 with safety light is not used as a side stand. You can remove it with a single touch. The holding member 3 serves as a holder for using the bicycle side stand 1 with a safety light as a side light / tail light when traveling on a bicycle at night.

  The holding member 3 is preferably attached to the right seat stay 51 of the bicycle. As shown in FIGS. 9 and 10 (a), when the light of the bicycle side stand 1 with a safety light is turned on / flashes on the right side of the bicycle, confirmation from the following vehicle, the passing vehicle, and the passing vehicle becomes easy.

11 (a) and 11 (b) show a bicycle side stand 1 with a safety light according to a second embodiment. This bicycle side stand 1 with a safety light arranges an optical display device composed of electroluminescence (EL) 41, 41... Instead of LED at a position in the cylindrical member 11 facing the windows 10a, 10a. I'm allowed. EL 41, 41... Are mounted on the substrate 40, and the substrate 40 is mounted at a substantially front half position of the holder case 21 having a length that reaches the front end of the cylindrical member 11.
Thus, if EL41, 41 ... is arrange | positioned for every position which opposes window 10a, 10a ..., the light emitted from window 10a, 10a ... will become still brighter.

  12 (a) and 12 (b) show a bicycle side stand 1 with a safety light according to a third embodiment. In this bicycle side stand 1 with safety light, the cylindrical member 11 occupying most of the bicycle side stand 1 with safety light is constituted by a thick cylindrical light guide member 16 and a rear cylindrical member 18. The rear cylinder member 18 is made of a light metal, carbon fiber, or hard plastic that is lightweight and strong enough to withstand use as a side stand. The rear end portion of the light guide member 16 and the front end portion of the rear cylinder member 18 are connected using a short cylindrical connection member 19.

  The light guide member 16 has a length that occupies substantially the front half of the cylindrical member 11, and a coating layer 16 </ b> A that does not transmit light is formed on the outer peripheral surface of the light guide member 16 by partial coating. The exposed surface of the light guide member 16 where the paint layer 16A is not formed becomes windows 10a and 10a that transmit light. The surface of the coating layer 16A facing the light guide member 16 may be an aluminum vapor deposition layer with high reflection efficiency. The tubular light guide member 16 may be entirely illuminated without providing the paint layer 16 </ b> A on the tubular light guide member 16.

  As shown in FIG. 12C, the inner peripheral wall surface of the cylindrical light guide member 16 is formed with a number of chevron irregularities 16c, 16c,. The light irregular reflection by the light guide member 16 is efficiently performed by partial reflection and refraction of light by the mountain-shaped irregularities 16c, 16c... And a lens by the light guide member 16 having a thick cylindrical shape.

  In the above description, the light source unit 20 and the light guide member 16 are provided in the cylindrical side stand body 10, or the safety light of the embodiment in which the substantially front half of the cylindrical side stand body 10 is configured by the light guide member 16. Although a bicycle side stand 1 with a light source is shown, a small side case with a light source unit 20 and a light guide member 16 may be used as a bicycle side stand with a safety light provided near a rear portion of the side stand body 10. .

  The rear side of the bicycle side stand 1 with the safety light is replaced with a configuration in which the rear plug member 14 is provided with a fitting portion (engaged portion) 14a that engages with the protruding portion (engagement portion) 2c of the mounting member 2. It is good also as a structure which provided the member with an insertion part (engaged part) in the part. Moreover, it is good also as a structure which puts a battery directly in the rear part of the cylinder member 11, and hold | maintains it. Further, the shape of the mounting portion 2a may be a C plate shape or a U plate shape instead of the ring plate shape so that the mounting portion 2a of the mounting member 2 can be sandwiched between the shafts 62 without extracting the shaft 62. .

DESCRIPTION OF SYMBOLS 1 Side stand for bicycle with safety light 2 Mounting member 2a Mounting part 2c Protruding part (engaging part)
DESCRIPTION OF SYMBOLS 3 Holding member 3a Mounting part 3b Holding part 10 Side stand main body 10a Window 11 Cylindrical member 12 Grounding member 14 Rear plug member 14a Insertion part (engaged part)
16 Light guide member 20 Light source unit 22 LED
50 Bicycle 51 Seat stay 53 Frame end 60 Quick release device

Claims (3)

  It has a side stand body that becomes the side stand of the bicycle, and it engages with the engaging part of the mounting member attached to the frame end part of the bicycle rear wheel at the rear part of the side stand body so that the side stand body is detachably supported on the bicycle side. A light source unit having a light display device mounted on the side stand body, and transmitting the output light from the light display device in a state where the light is refracted and diffusely reflected to achieve high illuminance. A bicycle side stand with a safety light, comprising a light guide member for output.   The side stand body has a bottomed cylindrical shape in which a front end portion serving as a grounding portion is closed and one or more windows are provided on a side wall surface, and the light source unit and the window are disposed in the side stand body. The bicycle side stand with a safety light according to claim 1, wherein the light guide member having a portion to be closed is disposed.   The bicycle side stand with a safety light according to claim 1, wherein a substantially front half of the side stand main body is constituted by the light guide member.

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