JP3645544B2 - Bicycle umbrella stand - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an umbrella stand for a bicycle.
[0002]
[Prior art]
In order to prevent the danger of one-handed operation when riding a bicycle and putting a rain umbrella or a parasol on, a bicycle umbrella stand in which an umbrella is stood and fixed on a handle portion of the bicycle has been frequently used in recent years.
[0003]
This bicycle umbrella stand, for example, as described in Japanese Utility Model Laid-Open No. 7-31585, is provided with a support column on the mounting portion of the bicycle handle and an umbrella holding unit for holding the umbrella on the support column. There are many. In this type of bicycle umbrella stand, the mounting portion is designed to clamp the horizontal pipe or vertical pipe of the handle portion by screwing or the like, and the column is fixed to the handle mounting portion by welding or screwing or the like.
[0004]
[Problems to be solved by the invention]
In the conventional bicycle umbrella stand described above, the column that is raised on the handle mounting part is fixed by welding, screwing, etc., so when riding a bicycle without holding an umbrella, it protrudes upward from the handle and is visible. There are problems that hinder. In addition, there is a risk of injury when hitting the support column protruding upward when the front is turned.
[0005]
To solve this problem, it is only necessary to remove the umbrella stand from the handle when it does not hold an umbrella, but it takes time to remove the handle mounting part that is attached by screw tightening. Riding a bicycle with an umbrella stand attached to the handle.
[0006]
Therefore, an object of the present invention is to provide a bicycle umbrella stand that does not obstruct driving when not using an umbrella.
[0007]
[Means for Solving the Problems]
In order to solve the above-described problems, the present invention provides a bicycle umbrella stand provided with an umbrella holding portion that holds an umbrella on the handle mounting portion that is attached to a bicycle handle portion, and the umbrella is held on the column. The structure which provided the means to fold down to the front of a handle part was adopted.
[0008]
That is, by providing a means for folding the column forward in front of the handle part, the column is tilted forward when not holding an umbrella so as not to obstruct driving.
[0009]
A means for folding the column forward is provided on the base end side of the column with a flat part directed in the front-rear direction. The flat part of the column is sandwiched from the left and right in the handle mounting part and pivoted in the front-rear direction. A bifurcated strut pivoting portion is provided, and the cross-sectional outer shape of the bifurcated strut pivoting portion is formed in a circular shape, and a cylindrical ring member is rotatably attached to the column pivoting portion having the circular cross-sectional outer shape. The ring member is provided with a cut into which the flat portion of the rotatable support column is fitted from above, and the ring member is rotated so that the cut is directed forward, and the cut is directed to the front. By making the flat part of the column fall down, the column can be easily folded without using a tool or the like.
[0010]
The width of the notch is formed at least at the upper part of the notch with respect to the thickness of the flat part, and when the flat part falls into the notch is raised, the tightening between the notch and the flat part The ring member moves upward due to the frictional force due to the size of the hand, and the flat member is locked by the ring member moving upward, for example, so that a strap such as a bag placed in a luggage can be moved forward. If the bag is hooked on the support column, the support column will not rise even if the bag is pulled, so there is no concern about the bag being pulled out of the support column. In order to raise the column, the ring member which is to be moved upward by frictional force is pressed by hand, and the column is rotated upward.
[0011]
Provide a hook that is in contact with the upper end surface of the ring member on the upper side of the flat part of the column, and this bar when the flat part of the column is cut into the notch on the upper surface of the ring member. Providing a relief surface for escaping, and restricting the rotation of the ring member between a front rotation position in which the notch is directed forward and a side rotation position rotated by a predetermined angle from the front rotation position to the side; When the ring member is rotated from the front rotation position to the side rotation position, a wedge surface that pushes the ring member upward is provided between the lower end surface of the ring member and the handle mounting portion, and is pushed up by the wedge surface. By pressing the heel on the upper end surface of the ring member, it is possible to firmly fix the support column in a standing state when holding the umbrella.
[0012]
By providing a light reflecting plate on the umbrella holding part, the light reflecting plate can stand out at a high position on the bicycle.
[0013]
The umbrella holding portion is formed by a fixed member fixed to the support column, and a movable member that is rotatably attached to a vertical shaft provided on the fixed member, and that is opposed to the left and right sides of the vertical shaft. The fixing screw and the movable member are provided with a tightening screw on one of the left and right sides of the vertical axis, and a spherical seat that is in contact with the tightening screw is provided on the other side. On the side, a holding portion for vertically holding the umbrella is provided between the fixed member and the movable member, and the tightening screw is tightened so that the movable member approaches the fixed member on the side where the holding portion is provided. The umbrella can be firmly held even if the shaft of the umbrella and the thickness of the handle that are clamped by the clamping unit are changed.
[0014]
A holding angle of the umbrella can be adjusted by attaching the umbrella holding part so as to be pivotable in the front-rear direction with respect to the support column. Further, when the support column is folded forward, the light reflecting plate provided on the umbrella holding portion can be directed forward.
[0015]
It is assumed that the handle mounting portion is mounted at the center of the handle portion, and the balance of the handle operation can be maintained well by raising the support column at the center of the handle mounting portion. In addition, the appearance of the umbrella stand mounted on the bicycle can be improved.
[0016]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to FIGS. As shown in FIG. 1, this bicycle umbrella stand is provided with a support column 2 at the center of a handle mounting unit 1 to be mounted on a bicycle handle unit, and an umbrella holding unit 3 for holding the umbrella at the tip of the support column 2. A light reflecting plate 4 is attached to the front surface of the umbrella holding unit 3. The handle mounting portion 1 is configured to clamp the horizontal pipe of the handle portion by screwing between the base member 1a and the two receiving members 1b on the lower surface side thereof. As will be described later, the support column 2 is attached to the base member 1a. It can be folded forward. The main bodies of the handle mounting portion 1, the support column 2, and the umbrella holding portion 3 are all made of synthetic resin.
[0017]
As shown in FIG. 2, the column 2 has a shaft rod member 2b slidably fitted in the outer cylinder member 2a, a guide groove 5 provided in the shaft rod member 2b, and a guide pin 6 attached to the outer cylinder member 2a. It is possible to extend and contract by preventing the rotation by the engagement, and the expansion / contraction position is fixed by the tightening ring 7. Further, the umbrella holding portion 3 is attached to a horizontal shaft 8 provided at the tip of the shaft bar member 2b so as to be rotatable in the front-rear direction, and is rotated by a tightening nut 9 screwed to one end of the horizontal shaft 8. The position is fixed.
[0018]
As shown in FIGS. 3 (a) and 3 (b), the umbrella holding part 3 is rotated on a fixing member 3a fixed to the shaft bar member 2b with a tightening nut 9, and a vertical shaft 10 provided on the fixing member 3a. It is freely attached and is formed of a fixed member 3a and a movable member 3b facing the left and right sides of the vertical shaft 10. On the right side of the vertical shaft 10, a fastening screw 11 is attached to the fixed member 3a side, and a spherical seat 12 that is in contact with the fastening screw 11 is attached to the movable member 3b side. A clamping part 13 that clamps the handle of the umbrella A is provided on the movable member 3b.
[0019]
The fixed member 3a and the movable member 3b are urged by a torsion coil spring 14 attached to the vertical shaft 10 so that the left holding portion 13 side is opened, and the tightening screw 11 abutted on the spherical seat 12 is provided. By tightening, the handle of the umbrella A of arbitrary thickness inserted between the clamping parts 13 is clamped. The tightening screw 11 is a double thread, and can be tightened with a small number of rotations.
[0020]
FIG. 4 shows a mounting portion of the column 2 to the base member 1a of the handle mounting portion 1. 4A is a front view, FIG. 4B is a rear view, FIG. 4C is a side view, and FIG. 4D and FIG. 4E are cross-sectional views at the center and lower part of the front view, respectively. A flat portion 15 directed in the front-rear direction is provided on the base end side of the outer cylindrical member 2a of the support column 2. The flat portion 15 is sandwiched from the left and right on the upper surface of the base member 1a, and is rotated in the front-rear direction on the horizontal shaft 16. A bifurcated strut pivoting portion 17 that pivots freely is provided, and a cylindrical ring member 18 is rotatably fitted around a strut pivoting portion 17 having a circular cross-sectional outer shape. The outer diameter of the ring member 18 is provided with projections and depressions for gripping at the time of rotation, and a protrusion 18a for pressing the ring member 18 described later is provided on the back side of the upper end portion. Further, on the upper side of the flat portion 15, a collar 19 that is in contact with the upper end surface of the ring member 18 is provided.
[0021]
The ring member 18 is provided with a notch 20 into which the rotatable flat part 15 is fitted from above, and by rotating the flat part 15 forward at a front rotation position with the notch 20 facing forward, As shown to Fig.5 (a), the outer cylinder member 2a of the support | pillar 2 can be folded down ahead. The upper end surface of the ring member 18 is provided with a flank 21 for escaping the flange 19 when the outer cylinder member 2a is folded down.
[0022]
Further, the lower end surface of the ring member 18 is provided with a concave groove 22 extending in the circumferential direction at a central angle of about 90 °, and the upper surface of the base member 1a is fitted into the concave groove 22 to rotate the ring member 18. Is provided between the front rotation position with the notch 20 facing forward and the side rotation position with the notch 20 facing sideways, indicated by a two-dot chain line in FIG. ing.
[0023]
As shown in FIG. 4 (b), a wedge surface 22a inclined in the circumferential direction is provided at the bottom of the concave groove 22, and the ring member 18 is moved laterally as shown by an arrow in FIG. 4 (e). When rotated to the rotational position, the protrusion 23 bites into the wedge surface 22a, pushes the ring member 18 upward, and presses the flange 19 of the outer cylinder member 2a at its upper end surface, so that the standing column 2 has a backlash. Is supposed to be fixed. At this time, the notch 20 of the ring member 18 also moves to the side, and the outer cylinder member 2a is prevented from falling.
[0024]
As shown in FIG. 4A, the width dimension of the notch 20 is formed to be tight with respect to the thickness dimension of the flat portion 15 at the upper part thereof. Therefore, as shown in FIG. 5B, when the outer cylinder member 2a folded forward is to be raised, the ring member 18 is moved upward by the frictional force due to the size of the tightness between the flat portion 15 and the notch 20. Then, the column 2 is locked from being raised. When the support column 2 is raised, the ring member 18 may be pressed downward to rotate the outer cylinder member 2a upward. When pressing the ring member 18 downward, it is possible to prevent the hand from being caught by the raised column 2 by pressing the protrusion 18a on the back side with the hand.
[0025]
FIG. 6 shows a state in which the umbrella stand described above is mounted on the handle B of the bicycle and the umbrella A is raised. Since the handle mounting portion 1 is mounted at the center of the handle portion B and the support column 2 is erected at the center, the balance of the handle operation can be maintained well. In this state, even if the ring member 18 is rotated to the side rotation position and a large moment load is applied to the umbrella A due to wind or the like, the column 2 is firmly fixed so as not to rattle. Moreover, the light reflection plate 4 attached to the umbrella holding part 3 is directed forward at a high position, and is conspicuous when traveling at night. In addition, the umbrella holding | maintenance part 3 can be rotated in the front-back direction according to the raining direction, the solar radiation direction, etc. by loosening the clamping nut 9. FIG.
[0026]
FIG. 7 shows a state in which the column 2 is folded over the front cargo bag C when riding a bicycle without the umbrella A. In this state, the ring member 18 is rotated to the front rotation position, the umbrella holding part 3 is rotated rearward, and the light reflecting plate 4 is directed forward. Moreover, the strap of the bag D put in the cargo container C is hooked on the support | pillar 2 tilted forward. As described above, the support column 2 that has been tilted forward is locked by the ring member 18 that moves upward when attempting to wake up. Therefore, even if the bag D is pulled, the strap remains the support column 2. There is no worry of being pulled out of. In addition, when it is not necessary to turn the light reflection plate 4 forward in the daytime, the umbrella A may be left attached without rotating the umbrella holding part 3 backward.
[0027]
In the embodiment described above, the handle mounting portion of the umbrella stand is mounted on the horizontal pipe of the handle portion, but the form of the handle mounting portion is not limited to that of the embodiment, and is mounted on the vertical pipe. It is good. Moreover, this umbrella stand can also be mounted | worn with the chair and wheelchair used outdoors by designing a handle | steering-wheel mounting part suitably.
[0028]
【The invention's effect】
As described above, this bicycle umbrella stand is provided with a means to fold down the column that stands on the handle mounting part in front of the bicycle handle unit, so that when you do not hold the umbrella, tilt the column forward and drive You can avoid getting in the way.
[0029]
The means for folding the column forward is provided with a flat part directed in the front-rear direction on the base end side of the column, the flat part of the column is sandwiched from the left and right to the handle mounting part, and is pivotally mounted so as to be rotatable in the front-rear direction. A bifurcated column support part is provided, the cross-sectional outer shape of the bifurcated column support part is formed in a circular shape, and a cylindrical ring member is rotatably fitted around the column support part of this circular cross-sectional shape. The ring member is provided with a notch into which the flat part of the rotatable support column can be fitted from above, and the ring member is rotated so that the notch is directed forward, and the flat part of the support column falls into the forward notch. By making it more and more, it is possible to easily fold the column without using a tool or the like.
[0030]
Further, when the width dimension of the notch is formed at least at the upper part of the notch with respect to the thickness dimension of the flat part and the flat part that falls into the notch is generated, the tightening between the notch and the flat part is performed. The ring member moves upward due to the frictional force due to the size of the hand, and the flat member is locked by the ring member moving upward, so that, for example, a strap such as a bag placed in the luggage can be moved forward. If it is hooked on a tilted column, the column does not get up even if the bag is pulled, so there is no worry of the bag being pulled out of the column.
[0031]
Furthermore, a hook that is in contact with the upper end surface of the ring member is provided on the upper side of the flat portion of the support column, and the upper end surface of the ring member is provided with a flange when the flat portion of the support column falls into the notch. The ring member is provided with a relief surface, and the rotation of the ring member is restricted between a front rotation position where the notch is directed forward and a side rotation position which is rotated by a predetermined angle from the front rotation position to the side. When the member is rotated from the front rotation position to the side rotation position, a wedge surface that pushes the ring member upward is provided between the lower end surface of the ring member and the handle mounting portion, and the ring member that is pushed up by the wedge surface is provided. By pressing the heel with the upper end surface, it is possible to firmly fix the strut in a standing state when holding the umbrella without looseness.
[Brief description of the drawings]
FIG. 1 is an external perspective view showing an embodiment of an umbrella stand for a bicycle. FIG. 2 is a side view showing an upper portion of a support post and an umbrella holding portion in FIG. FIG. 4 is a cross-sectional front view of FIG. 1, a is a cutaway front view showing a mounting portion of the column of FIG. 1, b is a cutaway rear view of a, c is a side view of a, and d is a side view. FIG. 5 is a cross-sectional view taken along line dd of a, and e is a cross-sectional view taken along line ee of a. FIGS. 5A and 5B are side views for explaining a state where the column of FIG. FIG. 6 is an external perspective view showing a state in which the bicycle umbrella stand of FIG. 1 is mounted on a bicycle. FIG. 7 is an external perspective view showing a state in which the column of FIG. 6 is folded forward.
DESCRIPTION OF SYMBOLS 1 Handle mounting part 1a Base member 1b Receiving member 2 Support | pillar 2a Outer cylinder member 2b Shaft bar member 3 Umbrella holding part 3a Fixed member 3b Movable member 4 Light reflecting plate 5 Guide groove 6 Guide pin 7 Tightening ring 8 Horizontal shaft 9 Tightening nut 10 Vertical shaft 11 Clamping screw 12 Spherical seat 13 Clamping portion 14 Torsion coil spring 15 Flat portion 16 Horizontal shaft 17 Column pivoting portion 18 Ring member 18a Protruding portion 19 鍔 20 Notch 21 Relief surface 22 Concave groove 22a Wedge surface 23 Protrusion

Claims (5)

In the bicycle umbrella stand provided with a means to fold up the column to the front of the handle part, a pillar is provided on the handle attachment part to be attached to the handle part of the bicycle, an umbrella holding part for holding the umbrella is provided on the pillar , As a means to fold the column forward, a flat part is provided on the base end side of the column in the front-rear direction. A bifurcated column support part is formed, the cross-sectional outer shape of the bifurcated column support part is formed in a circular shape, and a cylindrical ring member is rotatably fitted around the column support part of the circular cross-sectional shape. The ring member is provided with a cut in which the flat portion of the rotatable column is fitted from above, and the ring member is rotated so that the cut is directed forward, and the column is inserted into the notch directed forward. That can collapse the flat part of Bicycle umbrella stand, characterized in that it was. The width of the notch is formed at least at the upper part of the notch with respect to the thickness of the flat part, and when the flat part falls into the notch is raised, the tightening between the notch and the flat part It said ring member is moved upward by the frictional force by arbitrarily dimensions, bicycle umbrella stand according to claim 1 which is adapted to lock the said flat portion is awakened by a ring member to move this upward. Provide a hook that is in contact with the upper end surface of the ring member on the upper side of the flat part of the column, and this bar when the flat part of the column is cut into the notch on the upper surface of the ring member. Providing a relief surface for escaping, and restricting the rotation of the ring member between a front rotation position in which the notch is directed forward and a side rotation position rotated by a predetermined angle from the front rotation position to the side; When the ring member is rotated from the front rotation position to the side rotation position, a wedge surface that pushes the ring member upward is provided between the lower end surface of the ring member and the handle mounting portion, and is pushed up by the wedge surface. The bicycle umbrella stand according to claim 1 or 2 , wherein the rattle is pressed by the upper end surface of the ring member to fix the backlash of the upright column. The bicycle umbrella stand according to any one of claims 1 to 3 , wherein a light reflecting plate is provided on the umbrella holding portion. The umbrella holding portion is formed by a fixed member fixed to the support column, and a movable member that is rotatably attached to a vertical shaft provided on the fixed member, and that is opposed to the left and right sides of the vertical shaft. The fixing screw and the movable member are provided with a tightening screw on one of the left and right sides of the vertical axis, and a spherical seat that is in contact with the tightening screw is provided on the other side. On the side, a holding portion for vertically holding the umbrella is provided between the fixed member and the movable member, and the tightening screw is tightened so that the movable member approaches the fixed member on the side where the holding portion is provided. The bicycle umbrella stand according to any one of claims 1 to 4 , wherein the umbrella is held by the holding portion so that the umbrella is held by the holding portion.

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