Bicycle pedal and forming process thereof

Abstract

The invention provides a bicycle pedal and a forming process thereof, and relates to the field of bicycle accessories. The bicycle pedal comprises a pedal bottom plate, the upper side wall of the pedal bottom plate is detachably connected with a pedal body, transverse anti-skid lines are arranged on the left side and the right side of the upper side wall of the pedal body, and longitudinal anti-skid lines are arranged on the rear side of the upper side wall of the pedal body. The inner side wall of the pedal main body is fixedly connected with a connecting shaft, and the pedal main body is fixedly connected with a connecting cylinder through the connecting shaft; the pedal bottom plate and the pedal body are each composed of an inner shell and an outer shell, the inner shells are made of nylon materials, a plurality of honeycomb holes are evenly formed in the inner shells, and the outer shells are made of carbon fiber materials. By using the nylon inner shell filled with the honeycomb holes and the carbon fiber outer shell, the overall weight of the pedal can be effectively reduced, meanwhile, the structural strength of the pedal can be effectively improved, and the service life of the pedal is prolonged.

Description

Technical Field

[0001] The invention relates to the technical field of bicycle accessories, in particular to a bicycle pedal and a molding process thereof. Background Art

[0002] Bicycle pedals are one of the most important components of bicycles. Traditional bicycle pedals are solid blocks, relatively heavy, and are usually made of rubber. Such pedals are relatively easy to prepare, but they consume more raw materials, making the overall weight of the pedals higher.

[0003] With the development of lightweight automobiles, lightweight pedals also need to meet the needs of riders. Existing riders generally use pedals made of carbon fiber materials to reduce the weight of bicycles. However, the existing carbon fiber pedals have high production costs and are easy to slip on the rider's shoes, affecting riding safety. Summary of the invention

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies of the prior art, the present invention provides a bicycle pedal and a molding process thereof, which solves the problem that the existing carbon fiber pedal has high production cost and is easy to slip on the rider's shoes.

[0006] (II) Technical solution

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: A bicycle pedal and its forming process, comprising a pedal base plate, the upper side wall of the pedal base plate is detachably connected to a pedal body, the upper side wall of the pedal body is provided with transverse anti-skid patterns on the left and right sides, the upper side wall of the pedal main board is provided with longitudinal anti-skid patterns on the rear side, the inner side wall of the pedal body is fixedly connected to a connecting shaft, and the pedal body is fixedly connected to a connecting tube via the connecting shaft;

[0008] The pedal base and the pedal main body are both composed of an inner shell and an outer shell. The inner shell is made of nylon material, and a plurality of honeycomb holes are evenly arranged inside the inner shell. The outer shell is made of carbon fiber material. The pedal base and the pedal main body are both hollow structures. A plurality of first threaded sleeves are arranged inside the pedal base, and a plurality of second threaded sleeves are fixedly connected to the upper inner wall of the pedal main board.

[0009] Preferably, the lower side wall of the pedal base is provided with a matching inner groove, the interior of the matching inner groove is fixedly connected with an anti-skid pad, and the lower side wall of the anti-skid pad is provided with anti-skid grooves, which increases the friction between the pedal and the contact surface when the bicycle is supported by the pedal, effectively reducing the risk of the bicycle slipping.

[0010] Preferably, a matching hole is provided inside the connecting tube to facilitate fixation with the crank shaft of the bicycle, and a matching sleeve is fixedly connected to the rear end of the connecting tube to facilitate fixation with one end of the crank shaft of the bicycle.

[0011] Preferably, the first threaded sleeve and the second threaded sleeve are both provided with threads inside, each of the first threaded sleeve cooperates with a second threaded sleeve, and the pedal main board and the pedal base plate can be fixed by the cooperation of the screw and the threaded sleeve.

[0012] Preferably, the inner wall of the pedal main board is fixedly connected with a plurality of mating ribs, each of which is in contact with the inner wall of the pedal base plate, thereby improving the overall structural strength of the pedal, and a reinforcing rib is fixedly connected between each of the mating ribs and the pedal main board, thereby improving the overall strength of the mating ribs.

[0013] Preferably, the inner shell, the connecting shaft and the connecting tube of the pedal main board are made by an integrated molding technology, so as to improve the connection strength among the pedal main board, the connecting shaft and the connecting tube.

[0014] Preferably, the upper side wall of the pedal main board is configured to be convex, so as to better cooperate with the arch of the user's foot, thereby effectively improving the user's comfort and the friction area between the shoe and the pedal.

[0015] A forming process of a bicycle pedal, applied to the above-mentioned bicycle pedal, comprises the following steps;

[0016] Step 1: introducing the dried nylon particles into an injection molding machine to obtain the inner shell of the pedal base and the pedal main board, and performing humidity conditioning treatment on the molded inner shell;

[0017] Step 2: Wrap the outer walls of the pedal base inner shell and the pedal mainboard inner shell with carbon fiber respectively, and place vacuum bags in the hollow parts of the pedal base inner shell and the pedal mainboard inner shell;

[0018] Step 3: Curing the stacked carbon fibers and inner shell under high temperature and high pressure;

[0019] Step 4: Fix the pedal base and the pedal main board with bolts, and add anti-skid pads in the matching inner grooves of the pedal base.

[0020] (III) Beneficial effects

[0021] The present invention provides a bicycle pedal and a forming process thereof, which has the following beneficial effects:

[0022] 1. The molding process of the bicycle pedal adopts a pedal main board and a pedal bottom plate to assemble the pedal. The pedal main board and the pedal bottom plate are made of a nylon inner shell full of honeycomb holes and a carbon fiber outer shell, which can effectively reduce the overall weight of the pedal while effectively improving the structural strength of the pedal and increasing the service life of the pedal.

[0023] 2. The bicycle pedal is provided with two kinds of anti-skid patterns, namely, vertical and horizontal patterns, on the upper side wall of the pedal main board. The horizontal patterns can prevent shoes from slipping forward and backward, and the vertical patterns can effectively prevent shoes from falling off the outside of the pedal. The anti-skid pad on the pedal bottom plate can increase the friction between the pedal and the contact surface when the bicycle is supported by the pedal, thereby effectively reducing the risk of the bicycle slipping. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural schematic diagram of the present invention;

[0025] Figure 2 It is a top view schematic diagram of the present invention;

[0026] Figure 3 It is a front schematic diagram of the present invention;

[0027] Figure 4 It is a bottom schematic diagram of the present invention;

[0028] Figure 5 It is a schematic diagram of the structure of the footrest base plate of the present invention;

[0029] Figure 6 It is a cross-sectional schematic diagram of the present invention.

[0030] Among them, 1. foot pedal base; 101. anti-skid pad; 102. matching inner groove; 103. first threaded sleeve; 2. foot pedal main board; 201. transverse anti-skid pattern; 202. longitudinal anti-skid pattern; 203. matching rib plate; 204. reinforcing rib plate; 205. second threaded sleeve; 3. connecting tube; 301. matching sleeve; 302. connecting shaft; 303. matching hole. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] Embodiment 1:

[0033] like Figure 1-6As shown, an embodiment of the present invention provides a bicycle pedal, including a pedal base 1, the lower side wall of the pedal base 1 is provided with a matching inner groove 102, the interior of the matching inner groove 102 is fixedly connected with an anti-skid pad 101, and the lower side wall of the anti-skid pad 101 is provided with anti-skid patterns, which improves the friction between the pedal and the contact surface when the bicycle is supported by the pedal, and effectively reduces the risk of the bicycle slipping.

[0034] The upper side wall of the pedal base plate 1 is detachably connected to the pedal body 2, and the upper side wall of the pedal body 2 is provided with transverse anti-slip grooves 201 on the left and right sides, and the upper side wall of the pedal main board 2 is provided with longitudinal anti-slip grooves 202 on the rear side. The inner side wall of the pedal body 2 is fixedly connected to the connecting shaft 302, and the pedal body 2 is fixedly connected to the connecting tube 3 through the connecting shaft 302. The connecting tube 3 is provided with a matching hole 303 inside, which is convenient for fixing with the crank shaft of the bicycle, and the rear end of the connecting tube 3 is fixedly connected with a matching sleeve 301, which is convenient for fixing with one end of the crank shaft of the bicycle.

[0035] The pedal base 1 and the pedal main body 2 are both composed of an inner shell and an outer shell. The inner shell is made of nylon material, and a number of honeycomb holes are evenly arranged inside the inner shell. The outer shell is made of carbon fiber material. The inner side wall of the pedal main board 2 is fixedly connected with a number of matching ribs 203. Each matching rib 203 is in contact with the inner side wall of the pedal base 1, which can improve the overall structural strength of the pedal. A reinforcing rib 204 is fixedly connected between each matching rib 203 and the pedal main board 2, which can improve the overall strength of the matching rib 203. The inner shell, connecting shaft 302 and connecting tube 3 of the pedal main board 2 are made of one-piece molding technology to improve the connection strength between the pedal main board 2, the connecting shaft 302 and the connecting tube 3.

[0036] The pedal base plate 1 and the pedal main body 2 are both configured as hollow structures, a plurality of first threaded sleeves 103 are arranged inside the pedal base plate 1, a plurality of second threaded sleeves 205 are fixedly connected to the upper inner wall of the pedal main board 2, threads are arranged inside the first threaded sleeves 103 and the second threaded sleeves 205, each first threaded sleeve 103 is matched with a second threaded sleeve 205, the pedal main board 2 and the pedal base plate 1 can be fixed by the cooperation of the screws and the threaded sleeves, the upper side wall of the pedal main board 2 is configured as a convex shape, which better cooperates with the user's arch, thereby effectively improving the user's comfort and the friction area between the shoe and the pedal.

[0037] A forming process of a bicycle pedal, applied to the above-mentioned bicycle pedal, comprises the following steps;

[0038] Step 1: Introduce the dried nylon particles into an injection molding machine. The drying condition is usually to dry them in hot air above 80°C for 16 hours to obtain the inner shells of the pedal base plate 1 and the pedal main plate 2, and perform humidity control on the molded inner shells. The melting temperature of nylon 6 is usually 240°C, the mold temperature is recommended to be 85°C, the injection pressure is generally between 1000 bar, and the injection speed should be high;

[0039] Step 2: Wrap the outer side walls of the inner shell of the pedal base plate 1 and the inner shell of the pedal main board 2 with carbon fiber respectively, and place vacuum bags in the hollow parts of the inner shell of the pedal base plate 1 and the inner shell of the pedal main board 2;

[0040] Step 3: Curing the stacked carbon fibers and inner shell under high temperature and high pressure;

[0041] Step 4: Fix the pedal base plate 1 and the pedal main plate 2 by means of bolts, and add an anti-skid pad in the matching inner groove 102 of the pedal base plate 1.

[0042] Embodiment 2:

[0043] like Figure 1-6 As shown, an embodiment of the present invention provides a bicycle pedal, including a pedal base 1, the lower side wall of the pedal base 1 is provided with a matching inner groove 102, the interior of the matching inner groove 102 is fixedly connected with an anti-skid pad 101, and the lower side wall of the anti-skid pad 101 is provided with anti-skid patterns, which improves the friction between the pedal and the contact surface when the bicycle is supported by the pedal, and effectively reduces the risk of the bicycle slipping.

[0044] The upper side wall of the pedal base plate 1 is detachably connected to the pedal body 2, and the upper side wall of the pedal body 2 is provided with transverse anti-slip grooves 201 on the left and right sides, and the upper side wall of the pedal main board 2 is provided with longitudinal anti-slip grooves 202 on the rear side. The inner side wall of the pedal body 2 is fixedly connected to the connecting shaft 302, and the pedal body 2 is fixedly connected to the connecting tube 3 through the connecting shaft 302. The connecting tube 3 is provided with a matching hole 303 inside, which is convenient for fixing with the crank shaft of the bicycle, and the rear end of the connecting tube 3 is fixedly connected with a matching sleeve 301, which is convenient for fixing with one end of the crank shaft of the bicycle.

[0045] The pedal base 1 and the pedal main body 2 are both composed of an inner shell and an outer shell. The inner shell is made of nylon material, and a number of honeycomb holes are evenly arranged inside the inner shell. The outer shell is made of carbon fiber material. The inner side wall of the pedal main board 2 is fixedly connected with a number of matching ribs 203. Each matching rib 203 is in contact with the inner side wall of the pedal base 1, which can improve the overall structural strength of the pedal. A reinforcing rib 204 is fixedly connected between each matching rib 203 and the pedal main board 2, which can improve the overall strength of the matching rib 203. The inner shell, connecting shaft 302 and connecting tube 3 of the pedal main board 2 are made of one-piece molding technology to improve the connection strength between the pedal main board 2, the connecting shaft 302 and the connecting tube 3.

[0046] The pedal base plate 1 and the pedal main body 2 are both configured as hollow structures, a plurality of first threaded sleeves 103 are arranged inside the pedal base plate 1, a plurality of second threaded sleeves 205 are fixedly connected to the upper inner wall of the pedal main board 2, threads are arranged inside the first threaded sleeves 103 and the second threaded sleeves 205, each first threaded sleeve 103 is matched with a second threaded sleeve 205, the pedal main board 2 and the pedal base plate 1 can be fixed by the cooperation of the screws and the threaded sleeves, the upper side wall of the pedal main board 2 is configured as a convex shape, which better cooperates with the user's arch, thereby effectively improving the user's comfort and the friction area between the shoe and the pedal.

[0047] A forming process of a bicycle pedal, applied to the above-mentioned bicycle pedal, comprises the following steps;

[0048] Step 1: Introduce the dried nylon particles into the injection molding machine. The drying conditions are vacuum drying at 105°C for more than 8 hours to obtain the inner shells of the pedal base plate 1 and the pedal main plate 2, and the molded inner shells are humidified. The melting temperature of nylon 6 is usually 280°C, the mold temperature is recommended to be 80°C, the injection pressure is generally between 800 bar, and the injection speed should be high;

[0049] Step 2: Wrap the outer side walls of the inner shell of the pedal base plate 1 and the inner shell of the pedal main board 2 with carbon fiber respectively, and place vacuum bags in the hollow parts of the inner shell of the pedal base plate 1 and the inner shell of the pedal main board 2;

[0050] Step 3: Curing the stacked carbon fibers and inner shell under high temperature and high pressure;

[0051] Step 4: Fix the pedal base plate 1 and the pedal main plate 2 by means of bolts, and add an anti-skid pad in the matching inner groove 102 of the pedal base plate 1.

[0052] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A bicycle pedal, comprising a pedal base (1), characterized in that: The upper side wall of the pedal base plate (1) is detachably connected to the pedal body (2); the upper side wall of the pedal body (2) is provided with transverse anti-skid grooves (201) on the left and right sides; the upper side wall of the pedal main plate (2) is provided with longitudinal anti-skid grooves (202) on the rear side; the inner side wall of the pedal body (2) is fixedly connected to a connecting shaft (302); and the pedal body (2) is fixedly connected to a connecting cylinder (3) via the connecting shaft (302); The pedal base plate (1) and the pedal main body (2) are both composed of an inner shell and an outer shell, the inner shell is made of nylon material, a plurality of honeycomb holes are evenly arranged inside the inner shell, and the outer shell is made of carbon fiber material. The pedal base plate (1) and the pedal main body (2) are both arranged as hollow structures, a plurality of first threaded sleeves (103) are arranged inside the pedal base plate (1), and a plurality of second threaded sleeves (205) are fixedly connected to the upper inner wall of the pedal main board (2).

2. A bicycle pedal according to claim 1, characterized in that: The lower side wall of the footrest base plate (1) is provided with a matching inner groove (102), the interior of the matching inner groove (102) is fixedly connected with an anti-skid pad (101), and the lower side wall of the anti-skid pad (101) is provided with anti-skid patterns.

3. The bicycle pedal according to claim 1, wherein: A matching hole (303) is provided inside the connecting cylinder (3), and a matching sleeve (301) is fixedly connected to the rear end of the connecting cylinder (3).

4. The bicycle pedal according to claim 1, wherein: The first threaded sleeve (103) and the second threaded sleeve (205) are both provided with threads inside, and each of the first threaded sleeves (103) is matched with a second threaded sleeve (205).

5. The bicycle pedal according to claim 1, characterized in that: The inner side wall of the pedal main board (2) is fixedly connected with a plurality of matching ribs (203), each matching rib (203) is in contact with the inner side wall of the pedal base (1), and a reinforcing rib (204) is fixedly connected between each matching rib (203) and the pedal main board (2).

6. The bicycle pedal according to claim 1, characterized in that: The inner shell of the pedal main board (2), the connecting shaft (302) and the connecting cylinder (3) are made using an integral molding technology.

7. The bicycle pedal according to claim 1, characterized in that: The upper side wall of the pedal main board (2) is arranged to be convex.

8. A forming process for a bicycle pedal, applied to a bicycle pedal according to claims 1 to 7, characterized in that: The following steps are included: Step 1: introducing the dried nylon particles into an injection molding machine to obtain the inner shells of the pedal base plate (1) and the pedal main plate (2), and performing a humidity control treatment on the molded inner shells; Step 2: Wrap the outer walls of the inner shell of the pedal base (1) and the inner shell of the pedal main board (2) with carbon fiber respectively, and place vacuum bags in the hollow parts of the inner shell of the pedal base (1) and the inner shell of the pedal main board (2); Step 3: Curing the stacked carbon fibers and inner shell under high temperature and high pressure; Step 4: Fix the pedal base plate (1) and the pedal main plate (2) by means of bolts, and add an anti-skid pad in the matching inner groove (102) of the pedal base plate (1).

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