Splash-proof bicycle mudguard

Abstract

The utility model discloses a splash-proof bicycle mudguard which comprises a mudguard fixing plate, the outer surface of the mudguard fixing plate is connected with a mudguard expansion plate in a sliding mode, the upper surface of the mudguard expansion plate is provided with a strip-shaped hole, the upper surface of the mudguard fixing plate is connected with a fixing screw rod, and the strip-shaped hole is connected with the fixing screw rod. The top end of the fixing screw rod penetrates through the strip-shaped hole and extends to the position above the strip-shaped hole, the outer surface of the fixing screw rod is in threaded connection with a locking nut, a mud blocking piece is arranged on one side of the mud blocking expansion plate, and a light reflecting plate is installed on the outer surface of the mud blocking expansion plate. According to the splash-proof bicycle mudguard, the mudguard expansion plate slides along the surface of the mudguard fixing plate, the mudguard expansion plate can be flexibly stretched downwards, the mudguard range is enlarged, the design of the radian of the mudguard expansion plate and the radian of the mudguard fixing plate can better adapt to the arc-shaped downward extension of a tire to block muddy water, and the splash-proof bicycle mudguard is more convenient to use. The problem that a traditional fender cannot extend downwards according to the arc shape of the tire is solved, and the splash-proof effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of mudguard, especially a splashproof bicycle mudguard. BACKGROUND

[0002] The principle of the mudguard is mainly through the plastic or rubber plate installed on the bicycle tire to block the mud and water splashing when the wheel face rotates, the friction force generated by the tire through the ground during the bicycle driving process, the centrifugal force and the gap between the tire and the ground will cause the mud and water to splash, and the role of the mudguard is to reduce the splashing of mud and water through shielding and barrier effect to protect the rider and the bicycle clean.

[0003] The Chinese patent with publication number CN222224320U discloses a bicycle mudguard, which can be installed on the connecting rod below the bicycle saddle through the installation assembly when it is necessary to block the splashing mud and sand during the bicycle driving process, so that the mudguard cover is arranged above the bicycle rear wheel, when the bicycle is ridden, the mud and sand are blocked by the mudguard, so that the mud and sand cannot splash on the rider, but the mudguard assembly in the above-mentioned patent extends outward in the shell, due to the flat shape of the shell, the mudguard assembly can only move to one side of the shell, and cannot extend downward to block according to the arc shape of the tire, which reduces the splash-proof effect of the mudguard, and the shell and the mudguard assembly are fixed through the fixing assembly, the firmness is poor, and the phenomenon of falling off easily occurs, therefore, the utility model provides a splashproof bicycle mudguard to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a splashproof bicycle mudguard to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A splashproof bicycle mudguard, comprising a mudguard fixing plate, the outer surface of the mudguard fixing plate is slidably connected with a mudguard expansion plate, the upper surface of the mudguard expansion plate is provided with a strip-shaped hole, the upper surface of the mudguard fixing plate is connected with a fixed screw rod, the top end of the fixed screw rod penetrates through the strip-shaped hole and extends above the strip-shaped hole, the outer surface of the fixed screw rod is threadedly connected with a locking nut, one side of the mudguard expansion plate is provided with a mudguard, and the outer surface of the mudguard expansion plate is provided with a reflector.

[0007] As a preferred technical scheme of the present application, the mud blocking piece comprises a mud blocking sheet, two through holes are formed in one side of the mud blocking sheet, a fixing screw is arranged on one side of each of the two through holes, two screw grooves are formed in one side of the mud blocking expansion plate, the outer surfaces of the two fixing screws are respectively matched with the inner walls of the two screw grooves, and the diameter of the fixing screw is smaller than the inner diameter of the through hole.

[0008] As a preferred technical scheme of the present application, the outer surface of the mud blocking fixed plate is provided with two limiting holes, the bottom surface of the mud blocking expansion plate is connected with two limiting blocks, and the bottom end of the locking nut is connected with an annular protective ring.

[0009] As a preferred technical scheme of the present application, one end of the mud blocking fixed plate is hingedly connected with two arc-shaped plates through a pin shaft, a fixing hole is formed in one side of each of the two arc-shaped plates, and the outer surface of the mud blocking fixed plate is provided with a mud blocking arc.

[0010] As a preferred technical scheme of the present application, the bottom ends of the two limiting blocks respectively extend to the interiors of the two limiting holes, and the outer surface of the limiting block is in sliding connection with the inner wall of the limiting hole.

[0011] Compared with the prior art, the present application has the following beneficial effects:

[0012] The device can be flexibly lengthened downward to increase the mud blocking range, and the design of the mud blocking expansion plate and the mud blocking fixed plate arc can better adapt to the arc-shaped downward extension of the tire to block mud water, solve the problem that the traditional mud guard cannot be extended downward according to the arc shape of the tire, improve the water splash prevention effect, and through the arrangement of the fixing screw and the locking nut, the mud blocking expansion plate can be stably fixed at the required position, and through the limiting structure of the limiting block and the limiting hole, it can be ensured that the mud guard will not fall off due to shaking, jolting and other reasons during use, thereby improving the reliability and durability of the mud guard. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a front view of the three-dimensional structure of the splash-proof bicycle mud guard.

[0014] Figure 2 It is a sectional view of the front view of the splash-proof bicycle mud guard.

[0015] Figure 3 It is a front view of the three-dimensional structure of the splash-proof bicycle mud guard.

[0016] Figure 4 It is a front view of the splash-proof bicycle mud guard Figure 3 It is an enlarged schematic view of the structure at A.

[0017] In the figure: 1, the mud fixed plate; 2, the mud expansion board; 3, strip hole; 4, reflector; 5, mud piece; 501, mud piece; 502, threaded groove; 503, through hole; 504, fixed screw; 6, fixed screw; 7, limiting hole; 8, limiting block; 9, locking nut; 10, annular protective ring; 11, arc plate; 12, fixed hole. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0019] Please refer to Figures 1-4 In the utility model, a splash-proof bicycle mudguard, including the mud fixed plate 1, the outer surface of the mud fixed plate 1 is slidably connected with the mud expansion board 2, the upper surface of the mud expansion board 2 is provided with strip hole 3, the upper surface of the mud fixed plate 1 is connected with fixed screw 6, the top of fixed screw 6 penetrates strip hole 3 and extends to the upper of strip hole 3, the outer surface of fixed screw 6 is threadedly connected with locking nut 9, one side of the mud expansion board 2 is provided with mud piece 5, the outer surface of the mud expansion board 2 is installed with reflector 4, under the light irradiation, reflector 4 can reflect light, so that other road users are more easily noticed in the night or the environment of light relatively dark, improve the riding safety.

[0020] As a preferred technical scheme of the application, the mud piece 5 includes the mud piece 501, the mud piece 501 is flexible plastic material, one side of the mud piece 501 is provided with two through holes 503, one side of the two through holes 503 is provided with fixed screw 504, one side of the mud expansion board 2 is provided with two threaded grooves 502, the outer surfaces of the two fixed screws 504 are respectively matched with the inner walls of the two threaded grooves 502, and the diameter of the fixed screw 504 is less than the inner diameter of the through hole 503, by the two threaded grooves 502 provided on one side of the mud expansion board 2, and the fixed screw 504 passes through the through hole 503, the fixed screw 504 can be rotated to the inside of the threaded groove 502, the mud piece 501 can be installed on the mud expansion board 2, and then the installation of the mud piece 501 can better fit the changes of the tire and enhance the blocking effect of splashed mud.

[0021] As a preferred technical scheme of the application, the outer surface of the mud blocking fixed plate 1 is provided with two limiting holes 7, the bottom surface of the mud blocking expansion plate 2 is connected with two limiting blocks 8, the bottom end of the locking nut 9 is connected with an annular protective ring 10, the annular protective ring 10 can reduce the extrusion when the locking nut 9 is locked, the bottom end of the two limiting blocks 8 respectively extends to the inside of the two limiting holes 7, and the outer surface of the limiting block 8 is in sliding connection with the inner wall of the limiting hole 7, through the sliding connection of the limiting block 8 and the inner wall of the limiting hole 7, the direction of the mud blocking expansion plate 2 when sliding on the mud blocking fixed plate 1 can be ensured to be accurate and stable, and the shaking or deviation phenomenon will not occur, one end of the mud blocking fixed plate 1 is hingedly connected with two arc-shaped plates 11 through a pin shaft, the side surface of each of the two arc-shaped plates 11 is provided with a fixed hole 12, through the two arc-shaped plates 11 and the fixed hole 12, the mud flap can be connected and installed with the circular metal frame of the bicycle, the connection and fixing effect is improved, and the outer surface of the mud blocking fixed plate 1 and the outer surface of the mud blocking expansion plate 2 are provided with a mud blocking arc, which can be more fitted to the arc shape of the tire, effectively increases the protection range of the mud flap to the side surface of the tire, and further improves the water splash prevention performance.

[0022] The working principle of the utility model is: when it is needed to adjust the length of the mud flap, the locking nut 9 is loosened, the mud blocking expansion plate 2 can slide along the outer surface of the mud blocking fixed plate 1, the mud blocking expansion plate 2 can be lengthened downwards, can be extended downwards according to the arc shape of the tire, the mud blocking range will be increased, the tire contour will be better blocked, after the mud blocking expansion plate 2 is adjusted, the locking nut 9 is tightened, the mud blocking expansion plate 2 can be fixed at the required position, then through the expanded mud blocking expansion plate 2, the mud blocking piece 5 and the mud blocking fixed plate 1, the bicycle tire mud water can be blocked.

[0023] The above is only a preferred specific implementation manner of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

[0024] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature or implementation described herein. The specification can include implicit combinations of explicitly mentioned features and / or implicit combinations of implicitly mentioned features. Such combinations are also expressly included within the scope of the specification and an embodiment.

Claims

1. A splash-proof bicycle mudguard, characterized in that: The utility model provides a mud -proof fixing plate (1), the outer surface of mud -proof fixing plate (1) is connected with mud -proof expansion board (2) slidingly, the upper surface of mud -proof expansion board (2) is equipped with strip hole (3), the upper surface of mud -proof fixing plate (1) is connected with fixed screw rod (6), the top of fixed screw rod (6) penetrates strip hole (3) and extends to the top of strip hole (3), the outer surface of fixed screw rod (6) is connected with locking nut (9) threadedly, one side of mud -proof expansion board (2) is provided with mud -proof piece (5), the outer surface of mud -proof expansion board (2) is equipped with reflector (4).

2. A splash-guarding bicycle mudguard according to claim 1, characterised in that: The mud -proof piece (5) includes a mud -proof piece (501), two through holes (503) are formed in one side of the mud -proof piece (501), and two fixed screws (504) are arranged on one side of the two through holes (503).

3. A splash-guarding bicycle mudguard according to claim 2, characterised in that: Two screw grooves (502) are formed in one side of the mud -proof expansion board (2), the outer surfaces of the two fixed screws (504) are respectively matched with the inner walls of the two screw grooves (502), and the diameters of the fixed screws (504) are smaller than the inner diameters of the through holes (503).

4. A splash-guarding bicycle mudguard according to claim 1, characterised in that: Two limiting holes (7) are formed in the outer surface of the mud -proof fixing plate (1), two limiting blocks (8) are connected to the bottom surface of the mud -proof expansion board (2), and the bottom end of the locking nut (9) is connected with an annular protective ring (10).

5. A splash-guarding bicycle mudguard according to claim 1, characterised in that: Two arc-shaped plates (11) are hingedly connected to one end of the mud -proof fixing plate (1) through a pin shaft, fixed holes (12) are formed in one side of the two arc-shaped plates (11), and a mud -proof arc is arranged on the outer surface of the mud -proof fixing plate (1).

6. A splash-guarding bicycle mudguard according to claim 4, characterised in that: The bottom ends of the two limiting blocks (8) respectively extend into the two limiting holes (7), and the outer surface of the limiting block (8) is slidingly connected with the inner wall of the limiting hole (7).

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