CN212890788U - Pedal device for bicycle - Google Patents
Pedal device for bicycle Download PDFInfo
- Publication number
- CN212890788U CN212890788U CN201921667060.3U CN201921667060U CN212890788U CN 212890788 U CN212890788 U CN 212890788U CN 201921667060 U CN201921667060 U CN 201921667060U CN 212890788 U CN212890788 U CN 212890788U
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- connecting rod
- pedal
- crank
- bicycle
- pedal device
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Abstract
The utility model relates to a bicycle pedal device, including controlling crank, connecting rod, running-board, the one end of connecting rod is articulated with the crank, the other end and the direct rigid coupling of running-board of connecting rod have cancelled connecting rod and running-board articulated relevant part, when the structure can be simplified, have obtained a great connecting rod forward swing angle, and the drive torque that same pedal power obtained on the crank is promoted by a wide margin, and drive efficiency can show the improvement.
Description
Technical Field
The utility model belongs to the technical field of the manpower bicycle technique and specifically relates to a bicycle is pedal device.
Background
The phase difference of left and right cranks of the existing bicycle is 180 degrees, when the foot pedal of one side runs to the lowest position, the foot pedal of the other side is at the highest position and is at a force application dead point, the torque formed by the same pedal force in the small area range of the highest position is small, the driving efficiency is low, in order to increase the torque, a connecting rod pedal device with two articulated shafts is provided, one end of a connecting rod is articulated with the crank, the other end of the connecting rod is articulated with the foot pedal, when the foot pedal runs to the highest position, the foot applies downward pressure and forward swinging force at the same time, so that the connecting rod obtains a forward swinging angle of about 5 degrees, and the torque increased on the crank is very limited.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a bicycle pedal device, it adopts connecting rod and running-board rigid coupling structure, makes the connecting rod obtain being far more than 5 degrees preceding pivot angles.
The utility model provides a technical scheme that its technical problem adopted is: a bicycle pedal device comprises a left crank, a right crank, a connecting rod and a pedal, wherein one end of the connecting rod is hinged with the crank, and the other end of the connecting rod is fixedly connected with the pedal or is of an integral structure.
Furthermore, the angle of the other end of the connecting rod fixedly connected with the pedal is larger than 90 degrees.
Furthermore, one end of the connecting rod is provided with a bearing, and the inner ring of the bearing is sleeved with a bolt matched with the crank screw hole.
The beneficial effects of the utility model
Compared with the prior art, the pedal is directly and fixedly connected with the connecting rod, a related hinge component is omitted, the structure is simplified, a connecting rod forward swing angle far larger than 5 degrees is obtained, the driving torque obtained by the same pedal force on the crank is greatly improved, and the driving efficiency is obviously improved.
Drawings
Fig. 1 is a schematic view of the right pedal structure viewed from the back to the front of the utility model.
Fig. 2 is a schematic view of the structure of the right pedal of the present invention when viewed from right to left.
In the figure:
1-right connecting rod, 2-right pedal, 3-upper plane of right pedal, 4-lower plane of right pedal, axis of hinge shaft of 5-right connecting rod and crank, a-angle formed by right connecting rod and upper plane of right pedal, 6-bearing, 7-bolt, 8-washer, 9-snap spring
Detailed Description
As shown in fig. 1 and 2, a bearing 6 is arranged in one end of the right connecting rod 1, a bolt 7 is sleeved on an inner ring of the bearing 6, the bolt 7 is screwed into a screw hole of a right crank (not shown), the other end of the right connecting rod 1 is fixedly connected with the right pedal 2 or is in an integral structure, and an angle formed by the upper plane 3 of the right pedal and the right connecting rod 1 is 135 degrees.
Due to self-weight, when a foot is not placed on the right pedal 2, the right pedal device naturally sags, the upper plane 3 of the pedal forms an angle of about 45 degrees with the ground, when the foot is placed on the right pedal 2, the upper plane 3 of the pedal rotates anticlockwise to be in a horizontal state, and at the moment, the forward swing angle of the right connecting rod 1 is about 45 degrees. When the bicycle is ridden, if the right pedal 2 is near the highest position, the sole is bent upwards as much as possible so as to be beneficial to obtaining the maximum forward swing angle of the connecting rod, and the sole is gradually bent downwards along with the rotation of the crank so as to reduce the forward swing angle of the connecting rod and obtain the optimal driving torque.
The above embodiments are only examples of the basic functions of the present invention, and are not intended to limit the present invention, and any modification and equivalent replacement within the spirit and principle of the present invention are all included in the protection scope of the present invention.
Claims (3)
1. A bicycle pedal device comprises a left crank, a right crank, a connecting rod and a pedal, wherein one end of the connecting rod is hinged with the crank, and the bicycle pedal device is characterized in that the other end of the connecting rod is fixedly connected with the pedal.
2. The bicycle pedal device of claim 1, wherein the other end of the link is fixedly coupled to the pedal plate at an angle greater than 90 degrees.
3. The bicycle pedal device according to claim 1 or 2, wherein the connecting rod is provided at one end thereof with a bearing, and an inner race of the bearing is fitted with a bolt fitted into a crank screw hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921667060.3U CN212890788U (en) | 2019-09-21 | 2019-09-21 | Pedal device for bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921667060.3U CN212890788U (en) | 2019-09-21 | 2019-09-21 | Pedal device for bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212890788U true CN212890788U (en) | 2021-04-06 |
Family
ID=75226099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921667060.3U Active CN212890788U (en) | 2019-09-21 | 2019-09-21 | Pedal device for bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212890788U (en) |
-
2019
- 2019-09-21 CN CN201921667060.3U patent/CN212890788U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |