JP2787197B2 - Bicycle UV protection - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bicycle ultraviolet protection device for protecting an occupant seated on a bicycle saddle mainly from ultraviolet radiation.

[0002]

2. Description of the Related Art An example of the above-mentioned bicycle ultraviolet ray preventing device is disclosed in Japanese Utility Model Laid-Open Publication No. Hei 6-63490.

[0003] According to this, a saddle is supported at the upper end of the vehicle body frame, a support bracket extending in the vertical direction is provided near the rear of the saddle, and a cover body is provided above the saddle. It is attached to the upper end of the support bracket.

The cover body protects the occupant sitting on the saddle from ultraviolet rays by covering the occupant from above.

[0005]

However, in the above-mentioned conventional construction, the support bracket is simply fixed to the vehicle body frame, and thus has the following disadvantages.

First, the postures of the occupants sitting on the saddle differ from one occupant to another depending on their body shape and the like. However, since the cover covering the occupant is fixed to the vehicle body frame, the respective postures of such a cover are different. May not be sufficiently protected from ultraviolet light.

Second, an occupant sitting on the saddle may use the lower part of the support bracket located near the rear of the saddle as a backrest. However, since the support bracket is fixed to the vehicle body frame, The support bracket may not be used as a backrest according to the occupant's preference.

Third, in view of the above first and second problems,
The lower end of the support bracket is pivotally supported by the vehicle body frame so that the support bracket can be rotated back and forth together with the cover body, and the support bracket is held by the vehicle body frame in an arbitrary rotation posture. It is conceivable to provide a tool, and to operate the holding tool to bring the support bracket into a desired rotation posture.

However, since each component of the bicycle is compactly arranged and the surplus space is extremely small, simply providing the above-mentioned holder may make it difficult to operate the holder.

Fourth, the cover body is detached from the vehicle body frame as necessary. However, as described above, since the extra space of the bicycle is narrow, the work of attaching and detaching the support bracket to and from the vehicle body frame may be complicated. .

Fifth, bicycles are equipped with electrical components such as a headlight, a warning buzzer, a direction indicator, and a rear light (red). These batteries are powered by a battery. The power supply must be replaced every time it is consumed, which makes maintenance and inspection of the power supply complicated.

[0012]

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has the following objects.

[0013] First, even without occupant posture seated on the saddle is fixed by its body shape or the like, to be able to adequately protect the occupant from the ultraviolet, the occupant seated on the saddle, supporting the cover body a support bracket so as to be effectively utilized as a backrest, further while allowing easy operation to achieve the above objective, so that desorption operations of the support bracket and the cover body relative to the vehicle body frame can be easily To

Second , the maintenance and inspection of the power supply mounted on the bicycle can be easily performed.

[0015]

SUMMARY OF THE INVENTION An apparatus for preventing ultraviolet light of a bicycle according to the present invention for achieving the above object is as follows.

According to the first aspect of the invention, the vehicle body frame 2 is
The front fork 3 for supporting the wheel 5 is steerably supported.
The head pipe 20 and the rear downward from the head pipe 20
Down pipe 21 extending toward
Back stay 22 extending upward from the rear end of
And from the upper end of the back stay 22 to the rear lower direction.
The seat stay 23 extends and under the back stay 22
A chain stay 24 extending rearward from the end;
Rear ends of the seat stays 23 and the chain stays 24
Rear brass formed at the joints of the rear wheels to support the rear wheel 9
And a bracket 25, at the upper end of the back stay 22.
The saddle 16 is detachably supported,

[0017] The support bracket 36 which extends vertically at the rear near the saddle 16 is provided, the provided cover 42 above the saddle 16, attached to the cover body 42 to the upper end portion 39 of the support bracket 36, the upper Symbol The lower end of the support bracket 36 is pivotally supported on the vehicle body frame 2 by a pivot shaft 45 below the seating surface 31 of the saddle 16, and the support bracket 3 is centered on the pivot shaft 45.
6 can be rotated back and forth, and a UV protection device for a bicycle provided with a holder 47 for holding the support bracket 36 on the body frame 2 in an arbitrary rotation posture.

[0018] front end of the seat stays 23 is freely pivoted detachably to the lower end of the support bracket 36, the front end of the retaining <br/> jig 47 detachably attached to the saddle 16, ibid holding The rear end of the tool 47 is connected to the support bracket 36.
Attached to the intermediate portion of the longitudinal, in which so as to be held in the vehicle <br/> body frame 2 the support bracket 36 in operation to the retainer 47 in any rotational orientation.

According to a second aspect of the present invention, in addition to the first aspect of the present invention, a cover body 42 is detachably attached to the upper end of the support bracket 36.

The invention according to claim 3 is the invention according to claim 1 or 2
In addition to the invention of the above, a solar cell 66 is attached to the cover body 42.

[0021]

Embodiments of the present invention will be described below with reference to the drawings.

(First Embodiment)

FIGS. 1 to 5 show a first embodiment.

In FIG. 1, reference numeral 1 denotes a bicycle that can travel on a road surface G, and an arrow Fr indicates the front of the bicycle 1, and the following left and right refer to the vehicle width direction toward the front. .

The bicycle 1 has a body frame 2 and a front fork 3 is supported on the front end of the body frame 2 so as to be steerable. A front wheel 5 is rotatably supported by an axle 4 at a lower end of the front fork 3, and a bar-shaped handle 6 is attached to an upper end of the front fork 3.

A rear wheel 9 is rotatably supported by an axle 8 at the rear end of the vehicle body frame 2.

A front chain wheel 10 is supported at the lower end of the vehicle body frame 2 at the middle part in the front-rear direction so as to be rotatable around an axis extending in the left-right direction. On the other hand, a rear chain wheel 11 is rotatably supported around the axis of the axle 8 of the rear wheel 9, and a chain 12 is wound around the wheels 10, 11. Further, the left and right pedals 13, 1 which rotate together with the front chain wheel 10 are described.
3 are provided.

A saddle 16 for seating the occupant 15 is removably attached to the upper end of the vehicle body frame 2 in the middle in the front-rear direction.

When the occupant 15 seated on the saddle 16 depresses the pedals 13 and rotates, the rear wheels 9 are rotated via the front chain wheel 10, the chain 12 and the rear chain wheel 11 which rotate. The power from the occupant 15 is transmitted to and rotated.
The bicycle 1 can run forward on the road surface G.

In FIG. 1, the vehicle body frame 2 is formed by framing a plurality of pipe members having a circular cross section. The vehicle body frame 2 includes a head pipe 20 supporting the front fork 3 and a rear lower part extending from the head pipe 20. , A pair of upper and lower down pipes 21 and 21 extending upward, a back stay 22 extending upward from rear ends of the down pipes 21 and 21, and extending rearward and downward from an upper end of the back stay 22. A pair of left and right seat stays 23, and a pair of left and right chain stays 24, 24 extending rearward from the lower end of the back stay 22.
The rear wheel 9 is formed at the joint of the rear ends of the seat stay 23 and the chain stay 24 with each other to connect the rear wheel 9 to the axle 8.
And a rear bracket 25 that is supported through the rear bracket 25.
The body frame 2 is formed by joining the above-described members 20 to 25 to each other by welding.

A portion where the rear end of the down pipe 21, the lower end of the back stay 22, and the front end of the chain stay 24 are connected to each other is a bottom bracket 26. And each pedal 13 is supported via an axle 4.

In FIG. 1 and FIG.
Reference numeral 2 denotes a circular pipe member, and an inner hole 29 at the upper end thereof is opened rearward and upward. On the other hand, the saddle 16 has a saddle body 30 on which the occupant 15 is seated, and the upper surface side of the saddle body 30 is a seating surface 31. A saddle bracket 32 protrudes downward from the lower surface side of the saddle body 30. The saddle bracket 32 is formed of a pipe material having a circular cross section.

The saddle bracket 32 is removably fitted to the upper end of the back stay 22, and the saddle bracket 32 is vertically slidable in the back stay 22 in this fitted state.

At any desired position of the saddle bracket 32 with respect to the upper end of the back stay 22, a bolt type saddle lock means 34 for detachably fastening the saddle bracket 32 to the back stay 22 is provided. Thereby, the height of the seating surface 31 of the saddle main body 30 can be arbitrarily adjusted (arrow A in FIG. 3).

1 to 5, the bicycle 1 is provided with an ultraviolet protection device 35 for the occupant 15. The ultraviolet protection device 35 has a support bracket 36 that extends in the vertical direction in the vicinity of the rear of the saddle body 30 of the saddle 16. The support bracket 36 includes a pair of left and right bracket pipes 37, 37, and a plurality of cross members 38 in a vertical direction for connecting the bracket pipes 37, 37 to each other. The lowermost cross member 38 of the cross members 38 penetrates through the lower ends of the left and right bracket pipes 37, 37, and is connected to the bolt bodies 40, and the bolt bodies 40 are connected to the bracket pipes 37. The lock nut 41 is detachably fastened.

By changing the fastening positions of the lock nuts 41 to the bolt bodies 40 by screwing the lock nuts 41, the dimensions between the lower ends of the left and right bracket pipes 37 can be changed and adjusted. Have been. Also,
A bolt insertion hole 44 is formed in the upper one of the cross members 38, and a detachable attachment of an advertising board or the like to the support bracket 36 can be arbitrarily performed by the bolt inserted into the bolt insertion hole 44. ing.

The lower end of the support bracket 36 is supported by the vehicle body frame 2. On the other hand, the upper end 39 of the support bracket 36 is formed by bending the upper end of each bracket pipe 37 forward, and a cover 42 is detachably attached to the upper end 39. The cover body 42 is provided above the saddle 16 and covers the occupant 15 seated on the saddle 16 from above.

At the front end of each of the seat stays 23, first brackets 43, 43 for mounting a carrier are respectively protruded. The lower ends of the support brackets 36 are pivotally supported by the first brackets 43, 43 by pivot shafts 45 whose axial centers extend to the left and right, that is, the support bracket 36 is interposed through the first bracket 43. The saddle body 30 is pivotally supported by seat stays 23 of the vehicle body frame 2 below the seating surface 31. The support bracket 36 is rotatable back and forth about the pivot shaft 45 (arrow B in FIGS. 1 and 3).

In the above case, since the first brackets 43 for mounting the carrier are used for pivotal support of the support bracket 36, the pivotal support of the support bracket 36 can be achieved with a simple configuration. Since the first brackets 43, 43 are already provided, the first brackets 43, 4 are provided.
By operating each lock nut 41 of the cross member 38 so as to match the dimension between the three bracket pipes 37, both bracket pipes 37,
Change and adjust the dimension between the lower ends of 37. As a result, the support brackets 3 are positioned with respect to the first brackets 43, 43.
6 is pivoted without rattling.

A holding member 47 for holding the support bracket 36 on the vehicle body frame 2 in an arbitrary rotation posture is provided. The holder 47 is provided with the saddle bracket 3.
The second bracket 48 includes a second bracket 48 that is fitted to and detachably attached to the second bracket 2, and a fastener 49 that detachably fastens the second bracket 48 to the saddle bracket 32.

The holder 47 has a bolt body 50 extending in the front-rear direction. The bolt body 50 is pivotally supported on the second bracket 48 by a pivot shaft 51 so as to be vertically rotatable. The rear end of the bolt body 50 passes through a hole formed in the cross member 38, and lock nuts 53 are screwed to the rear end of the bolt body 50 before and after the cross member 38. By operating these lock nuts 53, 53, the separation distance between the pivot 51 and the cross member 38 can be adjusted. That is, the support bracket 36 is attached to the cover
When the cross member 38 is sandwiched between the lock nuts 53, the support bracket 36 can be held on the vehicle body frame 2 in an arbitrary rotation posture. The holder 47
May be provided upside down.

The bracket pipes 37 on the left and right sides of the support bracket 36 are vertically divided into upper and lower pipes 54 and 55, respectively. The lower pipe 55 is made of iron and has sufficient strength and rigidity. On the other hand, the upper pipe 54 is made of aluminum and is lightweight, and can be bent slightly elastically. The lower end of the upper pipe 54 is slidably fitted to the upper end of the lower pipe 55 in the longitudinal direction.

Locking means 56, which is a bolt for removably fixing the upper pipe 54 at a predetermined position on the lower pipe 55,
Is provided. The vertical position of the cover body 42 with respect to the lower pipe 55 can be adjusted by sliding the upper pipe 54 vertically with respect to the lower pipe 55 and operating the locking means 56 (FIGS. 2, 4). Middle arrow C).

The cover body 42 includes a cover body body 58,
A cover frame 59 made of aluminum pipe and lightweight is attached to the lower surface of the cover body 58 with screws, and an eave 61 is attached to the front end of the cover frame 59. The cover body 58 and the eaves 61 are made of an acrylic plate,
Made of resin such as PP board or vinyl chloride board, transparent,
It is translucent or opaque, both of which block ultraviolet rays and also work as rain shields.

Each rear end of the cover frame 59 extends rearward, and each rear end of the cover frame 59 is detachably fitted to the upper end 39 of the support bracket 36 from the front of the upper end 39 in the front-rear direction. It can be fitted.

Locking means 60, which is a bolt for detachably fixing the cover frame 59 at a predetermined position on the upper end 39 of the support bracket 36, is provided. Cover frame 5 for upper end 39 of support bracket 36
The position of the cover body 42 in the front-rear direction with respect to the upper end 39 of the support bracket 36 can be adjusted by sliding in the front-rear direction 9 and operating the locking means 60 (arrow D in FIG. 4).

If the locking means 60 is loosened and the cover 42 is largely moved forward of the upper end 39 of the support bracket 36, the fitting of the cover frame 59 to the upper end 39 of the support bracket 36 is released, and The cover body 42 can be removed from the support bracket 36.

According to the reverse procedure, the cover 42 can be attached to the upper end 39 of the support bracket 36.

According to the above construction, the holding bracket 4 is made rotatable back and forth, and the holder 4 for holding the supporting bracket 36 in the vehicle body frame 2 in an arbitrary rotating posture.
7 is provided.

Therefore, when the posture of the occupant 15 sitting on the saddle body 30 of the saddle 16 is not constant, the support bracket 36 is rotated rearward in accordance with the posture and the rear rotation posture (FIG. 3 solid line) or
It may be rotated forward to a front rotation posture (shown by a dashed line in FIGS. 1 and 3).

The pivot 45 serving as the center of rotation of the support bracket 36 is located below the seating surface 31 of the saddle body 30 of the saddle 16. For this reason, when the support bracket 36 is used as a backrest of the occupant 15 seated on the saddle body 30 of the saddle 16, the support bracket 36 is rotated back and forth to obtain a desired rotation posture that suits the occupant 15's preference. Can be.

Since the position of the cover body 42 in the front-rear direction is also changed by the rotation of the support bracket 36, the cover body 42 can be adjusted to a desired position in the front-rear direction by operating the locking means 60. Good.

Further, although the height of the occupant 15 is not constant, this can be dealt with by adjusting the vertical position of the cover body 42 by operating the lock means 56.

Further, the lower end of the support bracket 36 is detachably pivotally supported on the front end of the seat stay 23 so as to be detachable.
7 is detachably attached to the saddle 16, the rear end of the holder 47 is attached to a middle part of the support bracket 36 in the longitudinal direction, and the support bracket 36 is optionally operated by operating the holder 47. Is held by the vehicle body frame 2 in the turning posture of.

As described above, the holding member 47 is located above the vehicle body frame 2 so that the holding member 47 can be operated without being disturbed by the vehicle body frame 2.

As described above, the support bracket 36 for supporting the cover 42 is supported by the front end of the seat stay 23 located at the upper end of the vehicle body frame 2, and
The holder 47 is also supported by the saddle 16 above the body frame 2.

Therefore, the work of attaching and detaching the support bracket 36 to and from the vehicle body frame 2 can be performed without being disturbed by the vehicle body frame 2.

Further, the cover body 42 is detachable from the upper end of the support bracket 36.

For this reason, even if the support bracket 36 is still attached to the vehicle body frame 2, when the resistance of the traveling wind by the support bracket 36 is considered to be small, and when the cover body 42 is unnecessary, the support bracket 36 The cover 42 may be detached from the support bracket 36 in a one-touch manner while the cover 42 is attached to the vehicle body frame 2. Therefore, the work of removing the cover body 42 when the cover body 42 is unnecessary can be extremely easily performed.

The lower end of the support bracket 36 may be supported by the axle 8 for the rear wheel 9, as shown by the two-dot chain line in FIG. Further, the bracket pipe 37 and the cover frame 59 may be formed of a resin pipe.

The following figures show the second to fourth embodiments. Since each of these embodiments is common in many points in the configuration and operation of the first embodiment, the common components are denoted by the same reference numerals in the drawings, and description thereof will be omitted. The differences will be mainly described.

(Second Embodiment)

FIG. 6 shows a second embodiment.

According to this, a rubber or other elastic edging member 64 is attached to the periphery of the cover body 58 of the cover body 42.

According to this configuration, when an impact is applied to the cover body 58, damage to the cover body 58 is prevented.

(Third Embodiment)

FIG. 7 shows a third embodiment.

According to this, the left and right side edges of the cover body 58 of the cover body 42 are bent upward to form a gutter 65. This gutter 65 covers 42
The rainwater which is about to fall from the upper surface of the cover 42 is guided to the rear of the cover body 42.

According to this configuration, the rainwater falling from the upper surface of the cover body 42 is prevented from going to the occupant 15, and the protection of the occupant 15 is further improved.

Further, the strength and rigidity of the cover body 42 are improved by the rain gutter 65, and accordingly, the weight of the cover body 42 is reduced, and the riding comfort on the bicycle 1 is improved.

A solar cell 66 is mounted on the upper surface of the cover 42. The solar cell 66 supplies power to a headlight, a battery, and the like mounted on the bicycle 1.

Since the solar cell 66 functions as long as there is sunlight, a conventional battery is not required as a power source.

(Fourth Embodiment)

FIG. 8 shows a fourth embodiment.

According to this, the cover body 42 includes the cover body main body 58 and the locked portion 67 attached to the lower surface thereof.
It is composed of

The locked portion 67 can be engaged with a locking portion 68 attached to the upper end portion 39 of the support bracket 36 in a front-rear direction from the front of the locking portion 68 so as to be freely detachable. .

The locked portion 67 is formed of an elastic leaf spring. When the locked portion 67 is engaged with the locking portion 68, the locked portion 67 is elastically attached to the locking portion 68. When pressed, the engaged state is maintained. That is, the locked portion 67 also serves as the locking means 60.

Reference numeral 69 denotes a stopper.

[0079]

The effects of the present invention are as follows.

According to the first aspect of the present invention, the vehicle body frame
But steerable front fork for front wheel support
Head pipe, and from this head pipe
The down pipe that extends and the rear end of this down pipe
A backstay extending upward from the backstay
-A seat stay extending rearward and downward from the upper end of the
A chain extending rearward from the lower end of the backstay
And the seat stays and chain stays
Rises formed at the joints of the rear ends to support the rear wheels
And a back bracket at the upper end of the back stay.
Make the dollar detachably supported,

[0081] The support bracket extending vertically at the rear near the saddle is provided, a cover member above the saddle, attach the cover member to the upper end of the support bracket, the lower end portion of the upper Symbol support bracket The support bracket is pivotally supported on the vehicle body frame by a pivot shaft below the seating surface of the saddle, and the support bracket is rotatable back and forth around the pivot shaft. A holder for holding the vehicle body frame is provided.

Therefore, when the posture of the occupant sitting on the saddle body of the saddle is not constant, the support bracket is rotated rearward or forward together with the cover body in accordance with the posture, and the desired rotational posture is obtained. do it.

Therefore, according to this ultraviolet ray preventing device, each occupant can be sufficiently protected from ultraviolet rays.

The pivot shaft serving as the center of rotation of the support bracket is located below the seating surface of the saddle body of the saddle. Therefore, when the support bracket is used as a backrest of an occupant seated on the saddle body of the saddle, the support bracket may be rotated back and forth to obtain a desired rotation posture that suits the occupant's preference.

Therefore, the support bracket supporting the cover can be effectively used for the backrest.

[0086] Then, in the above structure, in particular, the front end of the seat stays freely to pivotally attach and detach the lower end of the support bracket, the front end of the holder detachably attached to the saddle, of the same holder the rear end portion attached to the intermediate portion in the longitudinal direction of the support bracket, it is constituted such that it is retained in the body frame of the support bracket in operation to the holder in any rotational orientation.

Therefore, the holder is located above the vehicle body frame, so that the holder can be operated without being disturbed by the vehicle body frame.

Therefore, the support bracket can be easily brought into a desired rotation posture together with the cover body.

As described above, the support bracket for supporting the cover is supported by the front end of the seat stay located at the upper end of the vehicle body frame, and the holder is also supported by the saddle above the vehicle body frame. ing.

Therefore, the work of attaching and detaching the support bracket to and from the vehicle body frame can be performed without being disturbed by the vehicle body frame.

Accordingly, the work of attaching and detaching the support bracket to and from the vehicle body frame can be easily performed.

According to the second aspect of the present invention, the cover body is detachable from the upper end of the support bracket.

Therefore, the cover can be detached from the support bracket in a one-touch manner while the support bracket is attached to the vehicle body frame.

Therefore, the work of removing the cover when the cover is unnecessary is extremely easy.

According to the third aspect of the present invention, the solar cell is attached to the cover.

Since the above solar cell functions as long as there is sunlight, a conventional battery is not required as a power source.

Therefore, maintenance and inspection work for the power supply mounted on the bicycle is reduced, and such maintenance and
Inspection work can be done easily.

[Brief description of the drawings]

FIG. 1 is an overall side view of a bicycle according to a first embodiment.

FIG. 2 is a front view of the ultraviolet protection device according to the first embodiment.

FIG. 3 is a partially enlarged view of FIG. 1 in the first embodiment.

FIG. 4 is a partially enlarged view of FIG. 1 in the first embodiment.

FIG. 5 is a bottom view of the cover according to the first embodiment.

FIG. 6 is a diagram corresponding to a part of FIG. 2 in a second embodiment.

FIG. 7 is a diagram corresponding to a part of FIG. 2 in a third embodiment.

FIG. 8 is an exploded perspective view of an ultraviolet protection device according to a fourth embodiment.

[Explanation of symbols]

 Reference Signs List 1 bicycle 2 body frame 3 front fork 5 front wheel 8 axle 9 rear wheel 15 occupant 16 saddle 20 head pipe 21 down pipe 22 back stay 23 seat stay 24 chain stay 25 rear bracket 30 saddle body 31 seating surface 32 saddle bracket 35 UV protection device 36 Support bracket 39 Upper end part 42 Cover body 45 Pivot shaft 47 Holder 58 Cover body main body 59 Cover frame 60 Lock means 64 Edge member 65 Rain gutter 66 Solar cell

Claims (3)

(57) [Claims] 1. A front frame for supporting a front wheel, comprising :
A head pipe that supports the fork so that it can be steered
Down pipe extending rearward and downward from the pad pipe,
A bag extending upward from the rear end of the down pipe
The stay and the back stay
And the lower end of the backstay
Chain stays extending rearward from the
At the joint of the rear ends of the stay and chain stay
And a rear bracket formed to support the rear wheel.
A saddle is detachably supported on the upper end of the backstay.
Thereby, a support bracket which extends vertically at the rear near the saddle is provided, a cover member above the saddle, attach the cover member to the upper end of the support bracket, the saddle lower end portion of the upper Symbol support bracket The support bracket is pivotally supported on the vehicle body frame by a pivot shaft below the seating surface, and the support bracket is rotatable back and forth about the pivot shaft. in UV protection device of a bicycle provided with a holder for holding the body frame, the front end of the seat stay is detachably pivoted to the lower end of the support bracket, detachable front end portion of the retainer to the saddle Attach the rear end of the holder to the middle part in the longitudinal direction of the support bracket, and rotate the support bracket by operating the holder. In-energized
UV protection device of bicycles which is adapted to be held in the body frame. 2. The bicycle ultraviolet protection device according to claim 1, wherein a cover body is detachably attached to an upper end of the support bracket. 3. The bicycle ultraviolet protection device according to claim 1 , wherein a solar cell is attached to the cover body.