Road bicycle clamping pedal

Abstract

The utility model discloses a road bicycle clamping pedal which comprises a pedal main body, an extending part and two extending arms are arranged on the pedal main body, a buckling mechanism used for buckling a lock shoe is arranged between the two extending arms, a through hole is formed in the pedal main body, and the through hole is communicated with the extending part. The bicycle pedal comprises a through hole, an internal thread is arranged at the middle section position of the through hole, a necking part located in the through hole is arranged on the side, away from a bicycle, of the internal thread, a ball bearing is placed between the necking part and the internal thread, and the bicycle pedal is provided with a pedal body, an extending part, an extending arm and a rotating shaft. The rotating shaft and the pedal body are rotationally installed through a ball bearing and a needle bearing, a buckle is installed on the extending arm, an adjusting bolt capable of adjusting tightness is arranged on the buckle, and a flaring part which is used for preventing the sealing ring from moving out of the through hole and is more natural and attractive is further arranged on the rotating shaft.

Description

Technical Field

[0001] The utility model relates to the field of road bicycle pedals, in particular to a road bicycle pedal. Background Art

[0002] Pedals are one of the essential parts of a bicycle. Cassette pedals have been widely used in professional bicycles. The structure of the pedals will be different for different models. However, ordinary cassette pedals on the market are too thick and heavy, and the overall performance does not meet higher requirements and standards. Utility Model Content

[0003] In order to overcome the defects in the above-mentioned prior art, the utility model provides a road bicycle pedal, which is provided with a pedal body, an extension part, an extension arm and a rotating shaft. The rotating shaft is rotatably mounted with the pedal body through a ball bearing and a needle bearing. A buckle is installed on the extension arm, and an adjusting bolt that can adjust the tightness is provided on the buckle. The rotating shaft is also provided with a flared part that prevents the sealing ring from moving out of the through hole, which is more natural and beautiful.

[0004] Technical Solution

[0005] A road bicycle pedal, comprising a pedal body, an extension portion and two extension arms are provided on the pedal body, a buckle mechanism for buckling a locking shoe is provided between the two extension arms, a through hole is provided inside the pedal body, an internal thread is provided at the middle position of the through hole, a constriction portion located inside the through hole is provided on the side of the internal thread away from the bicycle, a ball bearing is placed between the constriction portion and the internal thread, a sleeve for squeezing and fixing the ball bearing is threadedly connected to the internal thread, a needle bearing located inside the through hole is provided at the other end of the sleeve, a rubber ring located inside the through hole is provided at the other end of the needle bearing, a sealing ring is also provided at the port on the side of the through hole away from the constriction portion, a rotating shaft is inserted into the sealing ring, the needle bearing, the sleeve and the ball bearing, a gasket is inserted into the other end of the rotating shaft, and a nut threadedly connected to the rotating shaft for squeezing and fixing the rotating shaft and the ball bearing is provided on the other side of the gasket.

[0006] Furthermore, the rotating shaft is provided with a flared portion to prevent the sealing ring from moving out of the through hole, and the rotating shaft is also provided with a step portion abutting against the ball bearing to cooperate with the nut to fix the rotating shaft.

[0007] Furthermore, a plastic cover is provided in one end of the through hole close to the necking portion.

[0008] Furthermore, the snap mechanism includes a mounting hole arranged on the extension arm, a pin shaft is installed between the two mounting holes, two torsion springs are installed passing through the pin shaft, the two ends of the torsion spring are respectively a first extrusion end and a second extrusion end, and the second extrusion end abuts against a limit block fixed on the pedal body.

[0009] Furthermore, the pin shaft is rotatably connected to a buckle, the buckle has an adjustment hole passing through it, the upper end of the adjustment hole is rotatably provided with an adjusting bolt, the lower end of the adjusting bolt is threadedly connected to an extrusion portion located inside the adjustment hole, the extrusion portion cannot rotate in the adjustment hole but can move up and down, and the first extrusion end abuts against the lower end of the extrusion portion.

[0010] Furthermore, one end of the extension arm away from the pedal body is provided with a blocking end for limiting the buckle.

[0011] Furthermore, fixing bolts are screwed into both ends of the pin shaft to cooperate with the stepped mounting holes to achieve the installation of the pin shaft.

[0012] Furthermore, the tail end of the rotating shaft is fixed by the nut, and the tail end of the rotating shaft is inserted into the gasket.

[0013] Beneficial Effects

[0014] Compared with the prior art, the utility model has the following beneficial effects: a pedal body, an extension part, an extension arm and a rotating shaft are provided, the rotating shaft is rotatably installed with the pedal body through a ball bearing and a needle bearing, a buckle is installed on the extension arm, an adjusting bolt that can adjust the tightness is provided on the buckle, and a more natural and beautiful flaring part that prevents the sealing ring from moving out of the through hole is also provided on the rotating shaft. The utility model has the advantages of simple overall structure, mature manufacturing, stable assembly and easy use, and also has the characteristics of lightness, flexibility and excellent overall performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic structural diagram of a road bicycle pedal according to the utility model;

[0016] Figure 2 is a schematic diagram of the cross-sectional structure of the rotating shaft;

[0017] Figure 3 It is a schematic diagram of the three-dimensional structure of the utility model at different angles;

[0018] Figure 4 It is a schematic diagram of the cross-sectional structure of the buckle.

[0019] Reference Numbers

[0020] Buckle mechanism 901, pedal body 1, extension part 2, limit block 3, extension arm 4, blocking end 5, torsion spring 7, first extrusion end 71, second extrusion end 72, adjustment hole 8, rotating shaft 9, sealing ring 91, needle bearing 92, sleeve 93, ball bearing 94, nut 95, gasket 96, rubber ring 97, shrinking part 98, step part 99, expanding part 100, internal thread 10, through hole 11, plastic cover 12, adjusting bolt 13, extrusion part 14, pin 15, mounting hole 16, buckle 17, fixing bolt 18. DETAILED DESCRIPTION

[0021] In order to better illustrate the content of the utility model, the following is a description with reference to the accompanying drawings and implementation examples:

[0022] have Figure 1-Figure 4 As shown, the utility model discloses a road bicycle pedal, including a pedal body 1, an extension part 2 and two extension arms 4 are arranged on the pedal body 1, a buckle mechanism 901 for buckling a locking shoe is arranged between the two extension arms 4, a through hole 11 is arranged inside the pedal body 1, an internal thread 10 is arranged at the middle position of the through hole 11, a constriction part 98 located inside the through hole 11 is arranged on the side of the internal thread 10 away from the bicycle, a ball bearing 94 is placed between the constriction part 98 and the internal thread 10, and a screw thread 90 is connected to the internal thread 10 for squeezing a fixed shoe. A sleeve 93 with a fixed ball bearing 94 is provided, and the other end of the sleeve 93 is provided with a needle bearing 92 located inside the through hole 11, and the other end of the needle bearing 92 is provided with a rubber ring 97 located inside the through hole 11, and a sealing ring 91 is also provided at the port on the side of the through hole 11 away from the necking portion 98. A rotating shaft 9 is inserted into the sealing ring 91, the needle bearing 92, the sleeve 93, and the ball bearing 94, and a gasket 96 is inserted into the other end of the rotating shaft 9, and a nut 95 threadedly connected to the rotating shaft 9 is provided on the other side of the gasket 96 for achieving extrusion and fixation of the rotating shaft 9 and the ball bearing 94.

[0023] Furthermore, the rotating shaft 9 is provided with a flared portion 100 to prevent the sealing ring 91 from moving out of the through hole 11 , and the rotating shaft 9 is also provided with a step portion 99 to abut against the ball bearing 94 to cooperate with the nut 95 to fix the rotating shaft 9 .

[0024] Furthermore, a plastic cover 12 is disposed in one end of the through hole 11 close to the neck portion 98 .

[0025] Furthermore, the buckle mechanism 901 includes a mounting hole 16 arranged on the extension arm 4, a pin shaft 15 is installed between the two mounting holes 16, and two torsion springs 7 are installed through the pin shaft 15. The two ends of the torsion spring 7 are respectively a first extrusion end 71 and a second extrusion end 72, and the second extrusion end 72 abuts against the limit block 3 fixed on the pedal body 1.

[0026] Furthermore, a buckle 17 is rotatably connected to the pin shaft 15, and an adjustment hole 8 is penetrated on the buckle 17. An adjusting bolt 13 is rotatably provided at the upper end of the adjusting hole 8. The lower end of the adjusting bolt 13 is threadedly connected to an extrusion portion 14 located inside the adjusting hole 8. The extrusion portion 14 cannot rotate in the adjusting hole 8 but can move up and down, and the first extrusion end 71 abuts against the lower end of the extrusion portion 14.

[0027] Furthermore, a blocking end 5 for limiting the buckle 17 is provided at one end of the extension arm 4 away from the pedal body 1 .

[0028] Furthermore, fixing bolts 18 are screwed into both ends of the pin shaft 15 to cooperate with the stepped mounting holes 16 to achieve the installation of the pin shaft 15 .

[0029] Furthermore, the pedal body 1 and the buckle 17 are made of plastic material.

[0030] Furthermore, the tail end of the rotating shaft 9 is fixed by a nut 95 , and the tail end of the rotating shaft 9 is inserted into a gasket 96 .

[0031] Specifically, when installing the rotating shaft 9, first put the ball bearing 94 into the through hole 11, then screw in the sleeve 93 to fix the ball bearing 94, then put in the needle bearing 92 and the rubber ring 97, then put the sealing ring 91 into the rotating shaft 9 and then insert the rotating shaft 9 into the through hole 11, put the gasket 96 into the other end of the rotating shaft 9 and then screw in the nut 95, and finally cover the plastic cover 12 to complete the installation of the rotating shaft 9;

[0032] When in use, by rotating the adjusting nut 13 to move the pressing portion 14 up and down, the output elastic force of the torsion spring 7 can be adjusted, that is, the tightness of the buckle 17 can be adjusted.

[0033] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the technical solution of the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solution recorded in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solution from the spirit and scope of the technical solution of each embodiment of the utility model.

Claims

1. A road bicycle pedal, comprising a pedal body (1), wherein the pedal body (1) is provided with an extension portion (2) and two extension arms (4), characterized in that: The pedal body (1) is provided with a through hole (11) inside, and a rotating shaft (9) is provided in the through hole (11). The side of the rotating shaft (9) away from the bicycle is connected to the pedal body (1) via a ball bearing (94), and the side of the rotating shaft (9) close to the bicycle is connected to the pedal body (1) via a needle bearing (92). A sleeve (93) for fixing the ball bearing (94) is provided between the needle bearing (92) and the ball bearing (94), and the tail end of the rotating shaft (9) is fixed by a nut (95).

2. A road bicycle pedal according to claim 1, characterized in that: An internal thread (10) is provided in the middle of the through hole (11); a constricted portion (98) located inside the through hole (11) is provided on the side of the internal thread (10) away from the bicycle; a ball bearing (94) is placed between the constricted portion (98) and the internal thread (10); and a sleeve (93) for squeezing and fixing the ball bearing (94) is threadedly connected to the internal thread (10).

3. A road bicycle pedal according to claim 2, characterized in that: A rubber ring (97) located inside the through hole (11) is provided on the side of the needle bearing (92) away from the sleeve (93), and a sealing ring (91) is also provided at the end of the through hole (11) away from the necking portion (98).

4. A road bicycle pedal according to claim 3, characterized in that: The rotating shaft (9) passes through the sealing ring (91), the needle bearing (92), the sleeve (93), and the ball bearing (94).

5. A road bicycle pedal according to claim 4, characterized in that: A gasket (96) is inserted into the rear end of the rotating shaft (9), and a nut (95) threadedly connected to the rotating shaft (9) and used for achieving compression fixing of the rotating shaft (9) and the ball bearing (94) is provided on the side of the gasket (96) away from the ball bearing (94).

6. A road bicycle pedal according to claim 5, characterized in that: The rotating shaft (9) is also provided with a flared portion (100) for preventing the sealing ring (91) from moving out of the through hole (11), and the rotating shaft (9) is also provided with a step portion (99) for abutting against the ball bearing (94) to cooperate with the nut (95) to achieve fixation of the rotating shaft (9).

7. A road bicycle pedal according to claim 6, characterized in that: A plastic cover (12) is provided in one end of the through hole (11) close to the necking portion (98).

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