JP5576253B2 - Bicycle dress guard - Google Patents

Description

  The present invention relates to a bicycle dress guard used to prevent clothing such as a skirt from coming into contact with or being caught in the rear wheel of a bicycle.

In a bicycle dress guard, generally, a pair of left and right covers that cover both the left and right sides of a bicycle rear wheel are mounted and supported on a back fork and a rear wheel mudguard member (fender) (see, for example, Patent Documents 1 to 3).
This conventional cover body is manufactured in a lattice frame shape by a substantially arc-shaped outer peripheral frame portion by extrusion molding of a synthetic resin and the like, and a plurality of vertical beam portions and horizontal beam portions that partition the outer periphery frame portion vertically and horizontally. Yes. On the other hand, as a recent mudguard member, an extruded product of synthetic resin is frequently used.

Japanese Utility Model Publication No.59-45175 Japanese Utility Model Publication No. 2-7113 JP 2001-278148 A

  Since the conventional cover body is formed in a lattice frame shape having a plurality of openings in a plurality of vertical beam portions and horizontal beam portions, the impact resistance is weak and distortion occurs, resulting in a rear wheel mudguard member. There was a problem such as not being able to follow. In addition, when the rear wheel mudguard member is formed of an extruded product of synthetic resin, the strength itself is often insufficient, and the conventional cover body is deformed together with the rear wheel mudguard member, etc. Can no longer function as a dress guard.

  An object of the present invention is to provide a bicycle dress guard that is not easily deformed.

Specific means for solving the problems in the present invention are as follows.
The technical means of the present invention for solving this technical problem is a bicycle dress guard having a pair of left and right cover bodies 2 and 3 that cover both sides of the rear wheel 5,
The cover bodies 2 and 3 are formed in a plate shape from a synthetic resin, and the outer peripheral portion 6 is provided with a reinforcing edge 23 bent inward in the left-right direction. A bulging portion 22 that bulges is provided ,
The pair of cover bodies 2 and 3 have an upper outer peripheral portion 6a and a lower outer peripheral portion 6b, and an escape recess 13 is formed by immersing in the middle on the upper outer peripheral portion 6a side of the pair of cover bodies 2 and 3 on the lower side. A reinforcing edge portion 23b bent inward in the left-right direction is provided on the lower outer peripheral portion 6b side of the bulging portion 22, and inward in the left-right direction on the bulging portion 22 side of the immersion edge portion 27 of the relief recess 13. The fitting recess 33 is fitted to the back hawk 14 from the outside to the immersion edge 27 of the escape recess 13 and the reinforcement edge 23b of the lower outer peripheral portion 6b of the cover body 2. , 34 are provided, and a hook-shaped locking hook 36 that holds the back fork 14 is provided in a projecting manner inward in the left-right direction on the fitting recess 34 side of the lower outer peripheral portion 6b .

Another technical means of the present invention is a bicycle dress guard provided with a pair of left and right cover bodies 2 and 3 covering both sides of the rear wheel 5,
The cover bodies 2 and 3 are formed in a plate shape from a synthetic resin, and the outer peripheral portion 6 is provided with a reinforcing edge 23 bent inward in the left-right direction. A bulging portion 22 that bulges is provided,
A hook mounting portion 41 having a pair of front and rear projecting pieces 39 projecting inward in the left-right direction and a mounting piece 40 connected between the projecting pieces 39 is provided in the middle of the lower outer peripheral portion 6 b side of the cover bodies 2 and 3. The insertion groove 42 is formed between the mounting piece 40 and the wall surface of the bulging portion 22 of the cover bodies 2 and 3, and the mounting piece 40 is provided with a plurality of fitting holes 43 on the front and rear sides.
A locking hook 36 that fits into the back fork 14 is formed separately from the cover bodies 2 and 3, and an insertion piece 44 that is inserted and fitted into the insertion groove 42 projects from the locking hook 36. Are provided with fitting protrusions 45 that are selectively fitted into the plurality of fitting holes 43, and the insertion pieces 44 of the locking hooks 36 are inserted into the insertion grooves 42 so that the fitting protrusions 45 are fitted. By selecting the fitting hole 43 to be fitted, the locking hook 36 can be fitted to the back hawk 14 of a plurality of types of bicycles .

In addition, another technical means of the present invention is connected between the projecting pieces 39 and a pair of front and rear projecting pieces 39 projecting inward in the left-right direction in the middle of the lower outer peripheral portion 6b side of the cover bodies 2 and 3. A hook attachment portion 41 having an attachment piece 40 is provided, and an insertion groove 42 is formed between the attachment piece 40 and the wall surface of the bulging portion 22 of the cover bodies 2, 3. A joint hole 43 is provided,
A locking hook 36 that fits into the back fork 14 is formed separately from the cover bodies 2 and 3, and an insertion piece 44 that is inserted and fitted into the insertion groove 42 projects from the locking hook 36. Are provided with fitting protrusions 45 that are selectively fitted into the plurality of fitting holes 43, and the insertion pieces 44 of the locking hooks 36 are inserted into the insertion grooves 42 so that the fitting protrusions 45 are fitted. By selecting the fitting hole 43 to be fitted, the locking hook 36 can be fitted to the back hawk 14 of a plurality of types of bicycles.

  According to the present invention, the cover body is made of a plate material that does not have a large number of openings, has a three-dimensional shape with irregularities, and is rich in impact resistance. Can be prevented. Moreover, when the thing made from a synthetic resin is used for a rear-wheel mudguard member, the effect which reinforces the intensity | strength of a rear-wheel mudguard member with a cover body can also be anticipated.

It is a right view of one cover body which shows 1st Embodiment of this invention. It is a left view of the other cover body. It is an A line arrow directional view of the same FIG. It is a B line arrow directional view of FIG. It is CC sectional view taken on the line of FIG. It is the DD sectional view taken on the line of FIG. It is the EE sectional view taken on the line of FIG. It is the FF sectional view taken on the line of FIG. It is the GG sectional view taken on the line of FIG. FIG. 3 is a view on arrow H in FIG. 2. FIG. 3 is a view taken in the direction of arrow I in FIG. 2. It is a perspective view in the state where the dress guard was attached to a bicycle. It is a right view of one cover body which shows 2nd Embodiment of this invention. It is a left view of the other cover body. It is the JJ sectional view taken on the line of FIG. It is a front view of the latching hook of FIG. It is a side view of the latching hook of FIG.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1 to 12 show a first embodiment. 1, 2, and 12, the bicycle dress guard 1 includes a pair of left and right synthetic resin cover bodies 2 and 3 (a right cover body 2 and a left cover body 3). The cover bodies 2 and 3 are formed in a plate shape without a large number of openings from polycarbonate, polypropylene or the like, which is a synthetic resin having high heat resistance, and each cover body 2 or 3 has an outer peripheral portion 6 ( The upper outer peripheral portion 6a) and the outer peripheral portion 6 (lower outer peripheral portion 6b) along the stay 12 and the like of the chain cover 7 and the mudguard member 10 are provided.

A relief recess 13 is provided in the middle of the upper outer peripheral portion 6a side so as to enter the lower side, thereby preventing interference with the key attached to the back hawk 14 of the bicycle 4.
A connecting piece 17 is provided at the front ends of the cover bodies 2, 3. The connecting pieces 17 are arranged in an arc shape along the outer surface so as to straddle the mudguard member 10 of the rear wheel 5, and the front ends of the cover bodies 2, 3 are integrated. It is linked to.

A connecting engagement piece 19 protrudes from the rear end of the right cover body 2, and a connection locking piece 20 protrudes from the rear end of the left cover body 3. The connection engagement piece 19 and the connection locking piece 20 are detachable. It is connected so as to be freely adjustable and length adjustable.
Here, the right cover body 2 will be described. In FIGS. 1 and 3 to 9, the right cover body 2 has a non-bulged portion 21 that extends flatly from the outer peripheral portion 6 and a bulged portion 22 that bulges outward from the outer peripheral portion 6 in the left-right direction. And are provided. A reinforcing edge portion 23 (short reinforcing edge portion 23a) is provided on the upper outer peripheral portion 6a side of the right cover body 2 so as to be bent in a length of about 3 mm inward in the left-right direction, and on the lower outer peripheral portion 6b side of the bulging portion 22. Is provided with a reinforcing edge portion 23 (long reinforcing edge portion 23b) bent in a length of about 15 mm inward in the left-right direction. Further, a reinforcing edge portion 23 (short reinforcing edge portion 23a) that is bent to a length of about 3 mm inward in the left-right direction is provided on the lower outer peripheral portion 6b side of the non-bulged portion 21.

  As shown in FIGS. 8 and 9, the upper outer peripheral portion 6a side of the bulging portion 22 is curved in a gentle arc shape by a convex curved portion 24 that is convex outward, and from the short reinforcing edge portion 23a. It gradually bulges outward. As shown in FIG. 7, the upper outer peripheral part 6a side and the lower outer peripheral part 6b side of the non-bulged part 21 are extended and projected in a flat shape from a short reinforcing edge part 23a. A boundary portion between the non-bulged portion 21 and the bulged portion 22 is curved in a gentle arc shape by a concave curved portion 25 that is concave toward the outer side, and is directed from the non-bulged portion 21 toward the bulged portion 22. Gradually bulges outward.

  Engaging grooves 29 that engage with the edge of the mudguard member 10 are provided at both front and rear ends of the immersion edge 27 of the escape recess 13, and the engaging groove 29 is formed in a deep groove shape, and the edge of the mudguard member 10. Are fitted and held. A reinforcing edge 23 (long reinforcing edge 23 b) is provided on the bulging portion 22 side of the immersion edge 27 of the escape recess 13, and a reinforcing edge is provided on the non-bulging portion 21 side of the immersion edge 27 of the escape recess 13. A portion 23 (short reinforcing edge 23a) is provided.

As shown in FIGS. 3 and 4, U-shaped fitting recesses 33 and 34 are provided on the immersion edge 27 of the escape recess 13 and the reinforcing edge 23 b of the lower outer peripheral portion 6 b of the cover body 2, respectively. These fitting recesses 33 and 34 are adapted to be fitted to the back hawk 14 of the bicycle 4 from the outside. A hook-shaped locking hook 36 protrudes inward in the left-right direction on the fitting recess 34 side of the lower outer peripheral portion 6 b, and the locking hook 36 holds the back fork 14 of the bicycle 4. ing.

Thus, the right cover body 2 has a short reinforcing edge portion 23a and a long reinforcing edge portion 23b on the outer peripheral portion 6, and a bulging portion 22 that bulges outward and a non-bulging portion that does not bulge. The right cover body 2 is made of a highly heat-resistant plate material that does not have a large number of openings, has a three-dimensional shape with irregularities, and is rich in heat resistance and impact resistance. Yes.
The left cover body 3 is not shown in cross-section, but as shown in FIGS. 2, 10 and 11, it has substantially the same structure as the right cover body 2 and has an outer peripheral portion 6 and an immersion edge. The portion 27 has a short reinforcing edge portion 23a and a long reinforcing edge portion 23b, and has a bulging portion 22 that bulges outward and a non-bulging portion 21 that does not bulge, and a left cover The body 3 is made of a highly heat-resistant plate material that does not have a large number of openings, has a three-dimensional shape with irregularities, and is rich in heat resistance and impact resistance.

The bicycle dress guard 1 is provided with a large-diameter locking hook 36 that fits the back hawk 14 having a diameter of 16 mm, and a small-diameter locking hook 36 that fits the back hawk 14 having a diameter of 13 mm. There are two types.
According to the said 1st Embodiment, the cover bodies 2 and 3 are formed in plate shape with a synthetic resin with high heat resistance, the reinforcement edge part 23 bent in the left-right direction inner side is provided in the outer peripheral part 6, and the cover body 2 is provided. , 3 is provided with a bulging portion 22 bulging outward from the outer peripheral portion 6 in the left-right direction, so that the cover bodies 2, 3 are made of a highly heat-resistant plate material that does not have many openings. Since it becomes a three-dimensional shape having irregularities and becomes rich in impact resistance, it is possible to prevent deformation due to distortion. Moreover, when the thing by extrusion molding of a synthetic resin is used for the rear-wheel mudguard member 10, the effect which reinforces the intensity | strength of the rear-wheel mudguard member 10 with the cover bodies 2 and 3 can also be anticipated. For example, when the rear wheel mudguard member 10 is made of a synthetic resin, a separate auxiliary stay may be required to reinforce the rear wheel mudguard member 10. Costs can be reduced.

  13 to 17 show a second embodiment. In the same figure, a hook mounting portion having a pair of front and rear projecting pieces 39 projecting inward in the left-right direction and a mounting piece 40 connected between the projecting pieces 39 in the middle of the lower outer peripheral portion 6 b side of the cover bodies 2 and 3. 41 is provided integrally with the cover bodies 2 and 3. An insertion groove 42 is formed between the attachment piece 40 and the wall surface of the bulging portion 22 of the cover bodies 2 and 3, and the attachment piece 40 is provided with a pair of front and rear fitting holes 43. A locking hook 36 that fits into the back hawk 14 is formed separately from the cover bodies 2 and 3. An insertion piece 44 that is inserted and fitted into the insertion groove 42 protrudes from the locking hook 36, and a fitting projection 45 that is fitted into the fitting hole 43 is provided on the insertion piece 44. By inserting the insertion piece 44 into the insertion groove 42 and fitting the fitting convex portion 45 into one fitting hole 43, the locking hook 36 is fixed to the hook mounting portion 41, and the locking hook 36. Can be fitted to the back hawk 14. Then, as shown by a two-dot chain line, the engaging projection 45 is fitted into the rear fitting hole 43 to fix the locking hook 36 to the hook mounting portion 41, so that the backhawk 14 of the 26-inch bicycle is secured. The engagement hook 36 can be applied to and fitted. Further, as shown by an alternate long and short dash line, the engaging hook 45 is fitted into the front fitting hole 43 so that the locking hook 36 is fixed to the hook mounting portion 41. The engaging hook 36 can be applied and fitted.

There are two types of locking hooks 36, one that fits into the back hawk 14 with a diameter of 16 mm and one that fits into the back hawk 14 with a diameter of 13 mm.
The other points are substantially the same as those in the first embodiment, and the cover bodies 2 and 3 have a short reinforcing edge 23a and a long reinforcing edge 23b on the outer peripheral portion 6 and the immersion edge 27, It has a bulging portion 22 that bulges outward and a non-bulging portion 21 that does not bulge, and the cover bodies 2 and 3 are made of a highly heat-resistant plate material that does not have many openings. It has a three-dimensional shape with irregularities and is rich in heat resistance and impact resistance.

In the above-described embodiment, the cover bodies 2 and 3 are formed in a plate shape without a large number of openings from polycarbonate, which is a synthetic resin having high heat resistance. Instead, the cover bodies 2 and 3 are covered with synthetic resin having high heat resistance other than polycarbonate. The bodies 2 and 3 may be formed.
In the embodiment, the attachment piece 40 is provided with a pair of front and rear fitting holes 43. Instead of this, the attachment piece 40 is provided with three or more fitting holes 43 on the front and rear sides to provide fitting protrusions. By selecting the fitting hole 43 into which the portion 45 is fitted, the locking hook 36 may be fitted to the back hawk 14 of the bicycle having three or more sizes.

DESCRIPTION OF SYMBOLS 1 Bicycle dress guard 2 Right cover body 3 Left cover body 4 Bicycle 5 Rear wheel 6 Outer peripheral part 6a Upper outer peripheral part 6b Lower outer peripheral part 13 Relief recessed part 14 Back fork 22 Expansion part 23 Reinforcement edge part 23b Reinforcement edge part 27 Immersion edge Part 33 Fitting concave part 34 Fitting concave part 36 Locking hook 39 Projection piece 40 Attachment piece 41 Hook attachment part 42 Insertion groove 43 Fitting hole 44 Insertion piece 45 Fitting convex part

Claims (3)

In a bicycle dress guard having a pair of left and right cover bodies (2, 3) covering both sides of the rear wheel (5),
The cover body (2, 3) is formed into a plate shape with a synthetic resin, and the outer peripheral portion (6) is provided with a reinforcing edge (23) bent inward in the left-right direction, and the outer periphery of the cover body (2, 3). A bulging portion (22) bulging outward from the portion (6) in the left-right direction is provided ,
The pair of cover bodies (2, 3) has an upper outer peripheral portion (6a) and a lower outer peripheral portion (6b), and is positioned below the middle portion on the upper outer peripheral portion (6a) side of the pair of cover bodies (2, 3). A relief recess (13) is provided, which is immersed on the side, and a reinforcing edge (23b) bent inward in the left-right direction is provided on the lower outer peripheral portion (6b) side of the bulge portion (22). A reinforcing edge portion (23b) bent inward in the left-right direction is provided on the bulging portion (22) side of the immersion edge portion (27) of (13), and the immersion edge portion (27) of the escape recess portion (13) and The reinforcing peripheral portions (23b) of the lower outer peripheral portion (6b) of the cover body (2) are respectively provided with fitting recesses (33, 34) that are fitted to the back fork (14) from the outside, and the lower outer peripheral portion. On the side of the fitting recess (34) of (6b), a hook-shaped locking hook (36) holding the back fork (14) protrudes inward in the left-right direction. Bicycle dress guard, characterized in that it has been. In a bicycle dress guard having a pair of left and right cover bodies (2, 3) covering both sides of the rear wheel (5),
The cover body (2, 3) is formed into a plate shape with a synthetic resin, and the outer peripheral portion (6) is provided with a reinforcing edge portion (23) bent inward in the left-right direction, and the outer periphery of the cover body (2, 3) is provided. A bulging portion (22) bulging outward from the portion (6) in the left-right direction is provided,
A pair of front and rear projecting pieces (39) projecting inward in the left-right direction and a mounting piece (40) connected between the projecting pieces (39) in the middle of the lower outer peripheral part (6b) side of the cover body (2, 3) ) Having a hook attachment portion (41), and an insertion groove (42) is formed between the attachment piece (40) and the wall surface of the bulging portion (22) of the cover body (2, 3). (40) is provided with a plurality of fitting holes (43) on the front and rear,
The locking hook (36) that fits into the back fork (14) is formed separately from the cover body (2, 3), and is inserted into the insertion groove (42) through the locking hook (36). A piece (44) is projected, and the insertion piece (44) is provided with a fitting projection (45) that is selectively fitted into the plurality of fitting holes (43). Insert the insertion piece (44) into the insertion groove (42)
By selecting the fitting hole (43) into which the mating protrusion (45) is fitted, the locking hook (36) can be fitted to the back hawk (14) of a plurality of types of bicycles. Bicycle dress guard characterized by being constructed . A pair of front and rear projecting pieces (39) projecting inward in the left-right direction and a mounting piece (40) connected between the projecting pieces (39) in the middle of the lower outer peripheral part (6b) side of the cover body (2, 3) ) Having a hook attachment portion (41), and an insertion groove (42) is formed between the attachment piece (40) and the wall surface of the bulging portion (22) of the cover body (2, 3). (40) is provided with a plurality of fitting holes (43) on the front and rear,
The locking hook (36) that fits into the back fork (14) is formed separately from the cover body (2, 3), and is inserted into the insertion groove (42) through the locking hook (36). A piece (44) is projected, and the insertion piece (44) is provided with a fitting projection (45) that is selectively fitted into the plurality of fitting holes (43). The insertion piece (44) is inserted into the insertion groove (42) and is selected as the fitting hole (43) into which the fitting convex portion (45) is fitted. The bicycle dress guard according to claim 1 , wherein the bicycle dress guard is configured to be fitted to a back hawk (14) of a bicycle having a size.

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