JP4488985B2 - Bicycle accessory mounting device - Google Patents

Description

  The present invention relates to an attachment device for detachably attaching a bicycle accessory such as an electric light incorporating a battery or an alarm buzzer to a bicycle body.

  When riding a bicycle at night, a light with a built-in battery is attached to the bicycle body, and when the bicycle is parked, the light is removed from the bicycle and stored in order to prevent theft of the light. As described above, there have been proposed various structures as attachment devices for detachably attaching an electric light, which is one of bicycle accessory parts, to the bicycle body.

  In Patent Document 1, a lamp is slid in the front-rear direction with respect to a bracket fixed to a bicycle, and a projection of a plate spring provided on the bracket is elastically fitted to a recess provided on the lamp.

In Patent Document 2, an electric lamp is fixed by two holder portions provided on a fixture that is fixed to a bicycle.
No. 4-54070 Japanese Utility Model Publication 57-46217

  In Patent Document 1, an electric lamp can be easily attached to a bracket, but if the elasticity of the plate spring is weakened, it may come off due to vibration during bicycle travel. If a plate spring having high elasticity is used, a large force is required for attachment and detachment, and workability is deteriorated.

  Since the thing of patent document 2 stops an electric lamp in two places, attachment / detachment operation is troublesome.

  An object of the present invention is to provide an attachment device that can be easily attached to a bicycle main body, is not detached by vibration during bicycle traveling, and can be easily removed by one operation even when removed.

The present invention provides a bicycle accessory (4) having a pair of left and right slide grooves (41) (41) extending in the front-rear direction, a holder (5) attached to the bicycle body, and pivotally supported by the holder (5). The holder (5) has a pair of side plates (53) and (53), and the side plates have a pair of holding members that are slidably fitted into the slide groove (41) in the front-rear direction. Extending the pieces (51) and (51), between the side plates is provided with a flexible lock piece (6) that can be retracted into the groove (42) of the bicycle accessory (4), and the lock lever (7) A cam surface (73) is provided between the lock lever (7) and the holder side plate (53). The cam surface includes a presser piece (73) facing the receiving surface (62) formed on the lock piece (6). 72) (56),
When the lock lever (7) is turned to the lock position, the presser piece (73) releases the lock piece (6) and engages the lock piece (6) with the groove (42) of the bicycle accessory, and then comes out. And tightening the pair of clamping pieces (51) by the overlap of the cam surface (72) (56) between the lock lever and the holder side plate,
By the rotation of the lock lever toward the unlock position, the presser piece (73) presses the lock piece (6) to release the attachment to the bicycle accessory (4) and the cam surface (72) (56 ) Is a bicycle accessory mounting device that loosens the clamping piece (51) by shifting the overlap of the bracket.

  According to the attachment device of the present invention, when attaching the bicycle accessory to the holder, the bicycle accessory is slid by fitting the pair of left and right holding pieces (51) into the pair of left and right slide grooves (41). However, when the groove (42) of the bicycle accessory is inserted to the lock piece (6), the lock piece (6) is elastically restored and snaps into the groove (42). Prevents slipping in the sliding direction. When the lock lever (7) is further rotated to the lock position, the lock lever (7) and the cam surfaces (56) (72) on the holder side plate overlap to reduce the distance between the holding pieces (51) (51). The bicycle attachment part (4) is fixed by firmly holding the slide grooves (41) and (41) of the attachment part with the holding pieces (51) and (51).

    Therefore, it is easy to attach the bicycle accessory to the bicycle body, and the slide groove (41) (41) of the bicycle accessory is strongly clamped by the clamping pieces (51) (51), so the bicycle is running. It will not come off due to vibrations.

  When the lock lever (7) is turned to the unlocked position, the cam surfaces (56) and (72) overlap, the gap between the grips (51) and (51) of the holder (5) is widened and loosened. The holding piece (73) at the tip of the lock lever presses the receiving surface (62) of the lock piece (6) to remove the lock piece (6) from the groove (42) of the bicycle accessory, and slides the bicycle accessory. Release the stopper in the direction. Therefore, the bicycle accessory can be freely moved in the sliding direction, and can be easily taken out from the holder (5) by one operation of turning the lock lever (7) to the unlock position.

  The present invention will be described with reference to an attachment device for attaching the alarm buzzer (4) to the bicycle as an accessory in the embodiment. However, the accessory may be an illumination device such as an electric light in addition to the alarm buzzer.

  In the bicycle accessory mounting device of the present invention, the alarm buzzer (4) is fixed by the holding pieces (51) (51) and the lock pieces (6) of the holder (5), and the holder is fixed to the bicycle handlebar, front wheel fork. , Fixed to the fixture (2) configured according to the shape of the bicycle part (1) such as the front wheel hub axle, etc., and the alarm buzzer (4) is locked and removed by the holder (5), and unlocked and secured. The release is performed by a simple operation of the lock lever (7).

  The fixing device (2) can have any structure as long as it can be detachably fixed to the bicycle part. Further, any attachment structure for attaching the holder (5) to the fixture (2) may be used. Alternatively, the holder (5) and the fixture (2) may be integrated to form the fixture (2) in a part of the holder (5).

  As shown in FIGS. 2 and 5, the fixture (2) is provided with an annular gripping portion (21) that can be partially expanded and contracted so that the handle pipe (1) of the bicycle part can be fitted. A pair of tabs (22) and (23) project in parallel from both ends of the gripping portion, and a screw (3) is passed through a through hole (24) opened in the tab. An attachment portion (58) of the holder (5) is fitted to the upper tab (22) so as to be rotatable in a horizontal plane. Further, on the side opposite to the attachment portion (58) of the holder (5), a hook shape is provided. The engaging portion (55) is formed, and the engaging receiving portion (25) protruding from the fixture (2) is fitted into the engaging portion (55).

  As shown in FIG. 6, the holder (5) has side plates (53) and (53) projecting on both sides of the mounting portion (58), and the side plates (53) and (53) are respectively provided with clamping pieces (51) above. It is extended toward. The upper ends of the pair of sandwiching pieces (51) and (51) are sandwiching claws (52) and (52) facing each other.

  Between the side plates (53) and (53) of the holder (5), a bendable locking piece (6) extending from the engaging portion (55) side toward the mounting portion (58) is provided, A hooking claw (61) projects from the lock piece (6) corresponding to the groove (42) formed in the bottom surface of the alarm buzzer (4) clamped and fixed by the clamping pieces (51) and (51). . The hanging claw (61) can be engaged with and disengaged from the groove (42). The front end of the lock piece (6) has a receiving surface (62). The lock piece (6) is elastically deformed by the downward pressing of the receiving surface (62), and the engagement between the hooking claw (61) and the groove (42) is released. The side surface of the hooking claw (61) on the hook-like engaging portion (55) side is formed as an inclined surface.

  A lock lever (7) is fitted between the side plates (53) and (53) of the holder (5) and is stopped on the mounting portion (58) as described later. The lock lever (7) is rotatably fitted to a metal round shaft (75). The central portion of the lower surface of the round shaft (75) is cut into a flat surface. The lock lever (7) is rotatably supported on the pivot (75), and a presser piece (between the pair of side walls (71), 71) extending toward the receiving surface (62) of the lock piece (6). 73) is provided on the circumference of the side wall (71) (71), and a protrusion (72) is formed on the outer surface of the holder side plate (53) (53) as shown in FIGS. Corresponding to the formed raised portion (56) (see FIGS. 2 and 8), a cam surface is constituted by the protruding portion (72) and the raised portion (56). Further, corresponding projections (74) and (57) are formed between the inner surfaces of the side walls (71) and (71) and the outer surfaces of the holder side plates (53) and (53), respectively.

  A screw hole (77) is formed in the center of the flat surface of the pivot (75) of the lock lever (7), and as shown in FIG. 5, the attachment portion of the holder (5) to the upper tab (22) of the fixture (2) When (58) is fitted, the through-holes (24) and (24) of the upper and lower tabs (22) and (23), the through-hole (54) of the mounting portion (58), and the screw hole (77) of the pivot (75) are aligned. Therefore, by inserting the screw (3) from the outside of the lower tab (23) and tightening the knob (31), the lock lever (7) is pulled onto the mounting portion (58) and fixed. As shown in FIG. 5, the lock lever (7) is in the position of the solid line in the natural state with respect to the pivot (75), but can be rotated to the lock position A and the unlock position B.

  When the screw (3) is slightly tightened, the holding part (21) of the fixture (2) can be turned up and down on the handle pipe (1), and the holder (5) is engaged with the engaging part (55), It is possible to turn left and right within a horizontal plane within a margin range of the engagement receiving portion (25), and the direction of the alarm buzzer (4) can be adjusted. Then, tighten the screw (3) to fix the direction of the alarm buzzer (4).

  The alarm buzzer (4) has an outer case composed of upper and lower cases (43) and (44). As shown in FIGS. 3 and 4, the left and right side surfaces of the lower case (44) are provided with a pair of slide grooves extending in the front-rear direction. 41) is formed. The holding pieces (51) and (51) of the holder (5) are fitted into the slide grooves (41) and (41), and the alarm buzzer (4) is strongly held by the holding pieces (51) and (51). Fixed.

  The alarm buzzer (4) has a built-in battery, and the upper case (43) is equipped with a light emitting device consisting of a main switch (45), an LED switch (46), and a multicolor LED (47). Yes. When the main switch (45) is pressed, the buzzer sounds, and when the LED switch (46) is pressed, the light emitting device (47) blinks in blue, red, and green in order to notify the presence of the bicycle. In addition, a pin (48) is provided at the boundary between the upper and lower cases so that the pin (48) can be inserted and withdrawn, and the buzzer sounds by pulling out the pin (48). The pin (48) has a string (49).

  Next, the alarm buzzer installation and removal operations will be described.

(Insertion of alarm buzzer into holder)
The holding pieces (51) and (51) of the holder (5) fixed to the handle pipe (1) and the slide grooves (41) and (41) of the alarm buzzer (4) are aligned, and the holding pieces (51) and (51) ) And the slide grooves (41) and (41) are fitted, the alarm buzzer (4) is inserted while sliding from the hook-like engagement portion (55) side of the holder (5). The alarm buzzer (4) advances while pushing down the hooking claw (61) of the lock piece (6). When the hooking claw (61) reaches the groove (42) of the alarm buzzer (4), the hooking claw (61) The alarm buzzer is engaged with a groove (42) with a clicking feeling, and once engaged, the alarm buzzer cannot be pulled out and is prevented from coming off.

(Alarm buzzer lock)
The lock lever (7) is rotated counterclockwise to the lock position (position A in FIG. 5). The protrusion (74) formed on the inner side of the side wall (71) of the lock lever (7) gets over the protrusion (57) formed on the outer surface of the side plate of the holder (5) to produce a click feeling. The protruding portion (72) protruding upward rides on the raised portion (56) formed on the outer surface of the holder side plate. Due to the overlap of the raised portion (56) and the protruding portion (72), the sandwiching pieces (51) (51) extended from the side plates (53) (53) are elastically deformed inward to narrow the interval, and the sandwiching claws ( 52) (52) tightens and locks the slide grooves (41) (41). As a result, the alarm buzzer (4) is firmly attached without rattling due to vibration during bicycle travel. The solid line state in FIG. 2 and FIG. 10 show this locked state. In FIG. 10, the alarm buzzer (4) is indicated by a one-dot chain line, and the hooking claw (61) protrudes from the bottom surface of the alarm buzzer and is fitted in the groove (42).

(Unlock and remove alarm buzzer)
When the lock lever (7) is rotated clockwise from the lock position (position A in FIG. 5) to the solid line position in FIG. 5 (dotted line position in FIG. 2), the protrusion (74) on the side of the lock lever The protrusion (72) formed on the periphery of the lock lever is disengaged from the raised portion (56) on the holder side plate, and the holder holding plate (51) (51) ( Loosen 51). When the lock lever (7) is continuously rotated clockwise to the unlock position (position B in FIG. 5), the presser piece (73) at the tip of the lock lever moves down the receiving surface (62) of the lock piece (6). To be elastically deformed. The hooking claw (61) of the lock piece (6) moves downward, disengages from the groove (42) of the alarm buzzer (4), and releases the alarm buzzer. (State of FIG. 9)
Since the locking lever (7) is pivoted to the unlock position in this way, both the loosening of the clamping pieces (51) and (51) and the release of the locking piece (6) are performed simultaneously. ) Can be easily extracted from the holder (5).

  The structure of the drawings and the above description are for facilitating the understanding of the present invention, and should not be construed to limit the scope of the claims. For example, as described above, the bicycle accessory is not limited to the alarm buzzer, but may be a lighting device such as an electric light, a speedometer having a clock function, or the like.

It is a top view of the state which attached the accessory to the handle pipe with the bicycle accessory attachment device concerning the present invention. It is a side view of the same state. In the side view of the accessory part alone, the buzzer ringing pin and the string are omitted. FIG. 4 is a front view of the accessory part alone in the state of FIG. 3. It is the side surface longitudinal cross-sectional view which cut the attachment apparatus which concerns on this invention by the vertical surface. It is the perspective view which fractured | ruptured a part of holder of the attachment apparatus. It is a perspective view of the lock lever of the attachment device. It is a side view of the holder of the attachment apparatus. It is a front view in the unlocking state of the attachment device. It is a front view in the locked state of the attachment apparatus.

Explanation of symbols

(41) Slide groove
(4) Alarm buzzer (Bicycle accessories)
(1) Handle pipe (bicycle body)
(5) Holder
(7) Lock lever
(53) Side plate
(51) Nipping piece
(6) Lock piece
(62) Reception surface
(73) Presser piece
(56) Raised part (cam surface)
(72) Protruding part (cam surface)
(42) Groove
(61) Hanging nail
(2) Fixing tool
(21) Grip part
(75) Axis
(3) Screw

Claims (5)

Bicycle accessory (4) having a pair of left and right slide grooves (41, 41) extending in the front-rear direction, a holder (5) attached to the bicycle body, and a lock lever (pivotally supported by the holder (5)) 7), and the holder (5) has a pair of side plates (53) and (53), and the side plates have a pair of clamping pieces (51) which are slidably fitted into the slide groove (41) from the front and rear direction. (51) is extended, and between the side plates, a flexible lock piece (6) that can be projected and retracted into the groove (42) of the bicycle accessory (4) is provided, and the lock lever (7) is provided with a lock piece (6 ) Formed with a holding piece (73) facing the receiving surface (62) formed between the lock lever (7) and the holder side plate (53). 56)
When the lock lever (7) is turned to the lock position, the presser piece (73) releases the lock piece (6) and engages the lock piece (6) with the groove (42) of the bicycle accessory, and then comes out. And tighten the pair of clamping pieces (51) by the overlap of the cam surface between the lock lever and the holder side plate (72) (56),
By the rotation of the lock lever toward the unlock position, the presser piece (73) presses the lock piece (6) to release the retaining member for the bicycle accessory (4) and the cam surface) (72) ( 56) Bicycle accessory mounting device that loosens the clamping piece (51) by shifting the overlap of The locking piece (6) has a hooking claw (61) that protrudes and protrudes in the groove (42) of the bicycle accessory (4), and the hooking claw (61) is inclined on the side where the bicycle accessory (4) enters. The bicycle accessory mounting device according to claim 1, wherein the bicycle accessory mounting device is formed. The bicycle accessory mounting device according to claim 1 or 2, wherein the lock lever (7) is pivotally supported between the side plates (53) (53) of the holder (5). The bicycle accessory mounting device according to any one of claims 1 to 3, wherein the holder (5) is attached to the bicycle body via a fixture (2). The fixing device has an annular gripping part (21) for fitting a bicycle part, and tabs (22) and (23) project in parallel at both ends of the gripping part, and penetrate the tab. The screw (3) is screwed onto the pivot (75) of the lock lever (7), the grip (21) is tightened and the holder (5) is fixed to the fixture (2) with the screw (3). Item 5. The bicycle accessory mounting device according to item 4.