TWM590114U - Bicycle pedal with variable span - Google Patents

Abstract

The present invention discloses a bicycle pedal with variable span, which at least includes: a pedal, a shaft, a bearing, a bearing sleeve, an adjusting collar and a shaft hole cover; the pedal has a shaft hole penetrating through the pedal, using the shaft hole The cover and the bearing sleeve fix the bearing in a fixed position in the shaft hole of the pedal, and the shaft center penetrates into the shaft hole of the pedal. The nut is screwed to the end of the tail section to push the adjustment collar and bearing toward the second thrust surface. The adjustment collar can be selectively sleeved at a first position or a second position of the tail section In the first position, the adjusting collar is between the second thrust surface and the bearing, thereby increasing the span of the pedal. When the adjusting collar is in the second position, the bearing is between the second thrust surface And the adjustment collar, thereby making the span of the pedal smaller; by changing the assembly sequence and position of the adjustment collar, the new model can easily and quickly change the span of the pedal.

Description

Bicycle pedal with variable span

This creation relates to the pedal of a bicycle, especially a bicycle pedal with variable span.

For bicycle enthusiasts, in addition to considering the mechanical properties of the bicycle, the focus of the purchase of bicycles is also the focus of comfort and whether the size of each component of the bicycle is suitable for the user's body. Appropriate size can reduce long-term use Possible sports injuries from bicycles.

The biggest feature and charm of the bicycle is that it is a mechanical equipment that drives the hardware with human body energy; in addition to performance and control, the design of the bicycle needs to consider the rider's physical energy and physical transmission, which is more effective The biological kinetic energy of the human body is converted into mechanical kinetic energy on the bicycle wheels. Among them, the interface that transmits human body energy to the vehicle is the pedal under each knight's foot. There are many types of bicycle pedals, which can be basically divided into clipless pedals and non-clip pedals. The biggest difference between the two is that the cassette pedals have higher conduction efficiency.

However, it is obviously not enough to focus on the transmission efficiency of the pedal and other functional designs. For bicycle users of different sizes, many parts of the bicycle have adjustable functions, such as the height of the seat cushion can be adjusted, and the crank can also be freely replaced. Appropriate length; similarly, in order to be more suitable for bicycle users of different sizes, the span between the left and right foot pedals (the distance between the left and right foot pedals on the projection surface) should also be adjustable, because the pedal's Not only the span It will affect the optimal contact point between the foot plate and the pedal, and also affect the rider's posture and comfort.

For example, the application No. 099205056 is a variable-span pedal structure, which includes a crank, a pedal set and two bushes, wherein the crank has a socket end with a perforated hole; the pedal set includes a pedal body and Axle, one end of the axle extends out of the pedal body, and the outer end is provided with a flanged shank segment and a crank lock, the length of the shank segment is longer than the depth of the tooth hole of the crank; and the two The bushing can be buckled on the shaft section of the shaft, and after the buckling, an appropriate length is also reserved to lock the tooth hole of the crank; thereby, the two bushings and the longer shaft teeth can be used The rod section changes the span between the pedal body and the crank; however, the structural design of changing the lengthened shaft rod section and matching the two bushes will increase the manufacturing cost and the inconvenience of assembly.

The technical problem to be solved in this creation is to provide a bicycle pedal with variable span.

Based on solving the above technical problems, a technical solution for creating a bicycle pedal with variable span includes at least: a pedal, a shaft, a bearing, an adjusting collar, a nut and a shaft hole cover.

The pedal has a shaft hole penetrating the pedal, and the two ends of the shaft hole are respectively a first opening and a second opening, and the shaft hole has a first thrust section; the shaft penetrates into the shaft of the pedal The hole, the shaft center includes at least a middle section, a tail section, and a second thrust section located at the junction of the middle section and the tail section, the end of the tail section has threads, and the other end of the shaft center is used to connect the bicycle crank; The bearing is inserted into the shaft hole from the second opening of the pedal, and is sleeved on the tail section of the shaft center, and one axial end of the bearing is pressed against the first thrust surface of the pedal; Tubular element, the sleeve is inserted into the shaft hole from the second opening of the pedal to push the bearing towards the first stop Inferred surface; the adjusting collar is a tubular element connected at both ends, the adjusting collar is inserted into the shaft hole from the second opening of the pedal, and the adjusting collar can be selectively sleeved on one of the tail sections of the shaft center The first position or a second position, the adjusting collar in the first position is between the second thrust surface and the bearing, when the adjusting collar is in the second position, the bearing is in the second thrust Between the surface and the adjusting collar; the nut is screwed to the thread at the end of the tail section of the shaft to push the adjusting collar and the bearing to the second thrust section; the shaft hole cover is fixed At the second opening of the shaft hole, the shaft hole cover can push the bearing sleeve and the bearing toward the first thrust section of the shaft hole.

As the preferred structure of the bicycle pedal with variable span, the shaft center penetrates into the shaft hole from the first opening, and a second bearing is sleeved in the middle section of the shaft center, and the second bearing is interposed between the shaft center and the shaft hole of the pedal In between, the second bearing may be any one of a self-lubricating bearing, a ball bearing or a needle bearing.

The thread at the end of the tail section of the shaft and the thread of the nut are left-hand threads.

The shaft diameter of the middle section of the shaft center is larger than the shaft diameter of the tail section, so as to form the second thrust inference surface at the junction of the middle section and the tail section.

The shaft hole cover is a tubular element with a closed end. The outside of the shaft hole cover has a first thread, and the inside of the second opening of the shaft hole is provided with a second thread. The shaft hole cover is screwed with the first thread For the second thread, the end face of the end of the shaft hole cover can be in contact with the sleeve to push the sleeve toward the bearing, and then use the sleeve to press the bearing against the first thrust surface of the pedal, the inner diameter of the sleeve Greater than the outer diameter of the nut and gasket.

One aspect of the bicycle pedal with a variable span also includes: at least one gasket. The gasket is inserted into the shaft hole from the second opening of the pedal, and is sleeved on the tail section of the shaft center. The gasket is between the bearing and Adjust between collars or nuts.

When the adjusting collar is in the first position, the gasket is between the bearing and the nut, and when the adjusting collar is in the second position, the gasket is between the bearing and the adjusting collar.

The beneficial effect of the bicycle pedal with variable span created in this invention is that the present invention can change the span of the pedal conveniently and quickly by changing the assembly order and position of the adjusting collar. The adjusting collar can be selectively sleeved at a first position or a second position of the tail section. The adjusting collar at the first position is between the second thrust surface and the bearing, thereby increasing the span of the pedal When the adjusting collar is in the second position, the bearing is interposed between the second thrust surface and the adjusting collar, thereby reducing the span of the pedal.

10‧‧‧ pedal

11‧‧‧Shaft hole

111‧‧‧ First opening

112‧‧‧Second opening

12‧‧‧The first inference surface

20‧‧‧Axis

21‧‧‧End

211‧‧‧Thread

22‧‧‧Middle

23‧‧‧The second inference surface

24‧‧‧Header

241‧‧‧Thread

25‧‧‧Second bearing

30‧‧‧bearing

40‧‧‧set

50‧‧‧Adjustable collar

60‧‧‧Nut

70‧‧‧shaft hole cover

71‧‧‧Hexagon hole

72‧‧‧First thread

80‧‧‧gasket

P1, P2‧‧‧ position

Figure 1 is the appearance and structure of the bicycle pedal with variable span created in this book.

Figure 2 is an exploded view of the bicycle pedal with variable span.

Figure 3 is a plan view of the bicycle pedal with variable span created in this book.

FIG. 4 is a cross-sectional view of the structure of FIG. 3 at the position A-A, showing the situation where the adjusting collar is in the first position to increase the span of the pedal.

FIG. 5 is a cross-sectional view of the structure of FIG. 3 at the position A-A, showing the situation in which the adjusting collar is in the second position to reduce the span of the pedal.

Figure 6 is an exploded view of the bicycle pedal of the variable-span creation, showing the assembly sequence and position of the adjustment collar and bearing when the adjustment collar is in the second position shown in Figure 5.

The positional relationships described in the following embodiments include: up, down, left and right. Unless otherwise specified, they are all based on the directions drawn by the components in the drawings.

First of all, please refer to FIG. 1, which is an appearance structure diagram, an exploded structure diagram and a plan structure diagram of the bicycle pedal with variable span created in this book. The preferred embodiment of the bicycle pedal with variable span includes at least: a pedal 10, a shaft 20, a bearing 30, a bearing sleeve 40, an adjusting collar 50, a nut 60 and a shaft hole cover 70.

The pedal 10 has a shaft hole 11 penetrating the pedal 10. The two ends of the shaft hole 11 are respectively a first opening 111 and a second opening 112. The shaft hole 11 has a first thrust surface 12 formed in the shaft hole 11 The inner radial plane (see Figures 4 and 5).

The shaft center 20 penetrates into the shaft hole 11 of the pedal 10 from the first opening 111. The shaft center 20 includes at least a tail section 21, a middle section 22, and a second inference surface 23 located at the junction of the middle section 22 and the tail section 21, The end of the tail section 21 has a thread 211, the shaft diameter of the middle section 22 is larger than the shaft diameter of the tail section 21, so there will be a drop on the projection of the axial section at the junction of the middle section 22 and the tail section 21 to form the Second stop inference surface 23.

The preferred embodiment structure of the shaft 20 includes: a tail section 21, a middle section 22 and a head section 24 for passing through the bearing 30; as a preferred embodiment of the present creation, a sleeve is provided in the middle section of the shaft 20 A second bearing 25, said second bearing 25 is interposed between the shaft center 20 and the shaft hole 11 of the pedal 10, the second bearing 25 may be any one of a self-lubricating bearing, a ball bearing or a needle bearing; the shaft The other end of the core 20, that is, the end of the head section 24 is provided with threads 241 for connecting the bicycle crank.

The bearing 30 is inserted into the shaft hole 11 of the pedal 10 from the second opening 112 of the pedal 10, and is sleeved on the tail section 21 of the shaft center 20. The function of the bearing 30 is to ensure that the pedal 10 can take the shaft center 20 as the shaft in the shaft center 20 rotates freely, and one axial end of the bearing 30 abuts the first thrust surface 12 of the pedal 10 (see FIGS. 4 and 5).

The bearing sleeve 40 is a tubular element connected at both ends. The bearing sleeve 40 is inserted into the shaft hole 11 of the pedal 10 from the second opening 112 of the pedal 10 to push the bearing 30 toward the first thrust surface 12.

The adjusting collar 50 is a tubular element connected at both ends. The adjusting collar 50 is inserted into the shaft hole 11 of the pedal 10 from the second opening 112 of the pedal 10. The adjusting collar 50 can be selectively sleeved on the shaft 20, in particular Is a first position or a second position of the tail section 21; please refer to FIG. 4, the adjusting collar 50 in the first position is between the second thrust surface 23 and the bearing 30, at this time The assembly sequence and position of the adjusting collar 50 and the nut 60 are as shown in FIG. 2, since the adjusting collar 50 is in the first position, the right edge of the pedal 10 (also can be regarded as the opposite outer edge of the left and right foot pedals of the bicycle) ) The position P1 shown in FIG. 2 can be reached so that the distance between the pedal 10 and the crank increases, thereby increasing the span of the pedal 10.

Please refer to FIG. 5, when the adjusting collar 50 is in the second position, the bearing 30 is between the second thrust surface 23 and the adjusting collar 50, and the assembly sequence and position of the adjusting collar 50 and the nut 60 at this time As shown in FIG. 6; relative to the adjustment collar 50 in the first position, when the adjustment collar 50 is in the second position, the distance between the pedal 10 and the crank is relatively short, and the right edge of the pedal 10 can only be Reaching the position P2 shown in the second figure, the pedal span becomes smaller.

The nut 60 is screwed to the thread 211 at the end of the tail section 21 of the shaft 20 to push the adjusting collar 50 and the bearing 30 toward the second thrust section 23; it should be noted that the screw The function of the cap 60 is to ensure that the shaft 20 does not slide or loosen in the axial direction of the shaft hole of the pedal 10 and cannot affect the function of the bearing 30; a preferred embodiment in which the thread at the end of the tail section 21 of the shaft 20 The threads of 211 and nut 60 are left-hand threads.

The shaft hole cover 70 is fixed to the second opening 112 of the shaft hole 11 of the pedal 10. The shaft hole cover 70 can push the sleeve 40 and the bearing 30 toward the first thrust surface 12 of the pedal 10. Shaft hole cover 70 The function is to fix the bearing sleeve 40 and the bearing 30 in a fixed position in the shaft hole 11 of the pedal 10 without moving or loosening. It should be noted that the position of the bearing 30 relative to the pedal 10 is fixed, which means that the position of the bearing 30 at the axis 20 will determine the position of the pedal 10 relative to the axis 20, in other words, the bearing 30 is at the axis When the position of 20 is relatively far from the head section 24 of the axis 20, the position of the pedal 10 relative to the head section 24 of the axis 20 will also be far away, which means that the distance between the pedal 10 and the crank will increase, which in turn increases The span of the pedal 10. Therefore, the present invention can easily and quickly change the span of the pedal 10 by changing the assembly order and position of the adjusting collar 50.

As a preferred embodiment of the shaft hole cover 70, the shaft hole cover 70 is a tubular element with a closed end, wherein the closed head end of the shaft hole cover 70 is provided with a hexagon socket 71 to facilitate the use of a hexagon wrench The hole cover 70 is installed in the second opening 112 of the pedal 10. The outside of the shaft hole cover 70 has a first thread 72. The second hole 112 of the shaft hole 11 is provided with a second thread. The shaft hole cover 70 uses The first thread 72 is screwed to the second thread (see FIGS. 4 and 5), and the end surface of the trailing end of the shaft hole cover 70 can be in contact with the bearing sleeve 40 to push the bearing sleeve 40 toward the bearing 30 for further utilization. The bearing sleeve 40 presses the bearing 30 against the first thrust surface 12 of the pedal 10.

One aspect of the bicycle pedal with variable span also includes: at least one gasket 80, which is inserted into the shaft hole 11 of the pedal 10 from the second opening 112 of the pedal 10, and is sleeved on the tail of the shaft 20 In paragraph 21, the gasket 80 is interposed between the bearing 30 and the adjusting collar 40/nut 60. When the adjusting collar 50 is in the first position (see FIG. 4), the gasket 80 is located between Between the bearing 30 and the nut 60; when the adjusting collar 50 is in the second position (see FIG. 5), the washer 80 is between the bearing 30 and the adjusting collar 50; The diameter is larger than the outer diameter of the nut 60 and the washer 80.

Although this creation has been disclosed as above through the above embodiments, it is not intended to limit this creation, and those skilled in the art can do something within the spirit and scope of this creation Xu's changes and retouching, so the scope of patent protection for this creation shall be subject to the definition in the claims of this application.

10‧‧‧ pedal

11‧‧‧Shaft hole

111‧‧‧ First opening

112‧‧‧Second opening

20‧‧‧Axis

21‧‧‧End

211‧‧‧Thread

22‧‧‧Middle

23‧‧‧The second inference surface

24‧‧‧Header

241‧‧‧Thread

30‧‧‧bearing

40‧‧‧set

50‧‧‧Adjustable collar

60‧‧‧Nut

70‧‧‧shaft hole cover

71‧‧‧Hexagon hole

72‧‧‧First thread

80‧‧‧gasket

Claims (7)

A bicycle pedal with variable span includes at least a pedal, a shaft, a bearing, an adjusting collar, a nut and a shaft hole cover; the pedal has a shaft hole penetrating through the pedal The two ends are respectively a first opening and a second opening, the shaft hole has a first thrust surface; the shaft penetrates into the shaft hole of the pedal, the shaft includes at least a middle section and a tail section And a second thrust face located at the junction of the middle section and the tail section, the end of the tail section has threads, and the other end of the shaft is used to connect the crank of the bicycle; the bearing extends from the second opening of the pedal Installed in the shaft hole and sleeved on the tail section of the shaft center, one axial end of the bearing abuts the first thrust surface of the pedal; the sleeve is a tubular element connected at both ends, the The sleeve is inserted into the shaft hole from the second opening of the pedal to push the bearing toward the first thrust section; the adjusting collar is a tubular element with two ends connected, and the adjusting collar The shaft hole is inserted into the second opening of the pedal, and the adjusting collar can be selectively sleeved on a first position or a second position of the tail section of the shaft center, the The adjusting collar is between the second thrust surface and the bearing. When the adjusting collar is in the second position, the bearing is between the second thrust surface and the adjusting collar; the nut The thread screwed to the end of the tail section of the shaft center is used to push the adjusting collar and the bearing toward the second thrust face; the shaft hole cover is fixed at the second opening of the shaft hole , The shaft hole cover can push the bearing sleeve and the bearing toward the first thrust section of the shaft hole. The bicycle pedal with variable span according to claim 1, the shaft center penetrates into the shaft hole from the first opening, and a second bearing is sleeved in the middle section of the shaft center, and the second bearing is interposed between the shaft Between the center and the shaft hole of the pedal, the second bearing may be a self-lubricating bearing, a ball bearing or a needle bearing Any of them. According to the bicycle pedal of variable span of claim 1, the thread at the end of the tail section and the thread of the nut are left-hand threads. The bicycle pedal with a variable span according to claim 1, the shaft diameter of the middle section of the shaft center is larger than the shaft diameter of the tail section, and the junction of the middle section and the tail section has a projection on the axial section The drop is used to form the second inference surface. The variable span bicycle pedal according to claim 1, the shaft hole cover is a tubular element with a closed end, the outer side of the shaft hole cover has a first thread, and the second opening of the shaft hole A second thread is provided on the inner side, and the shaft hole cover is screwed to the second thread by using the first thread, and the end surface of the tail end of the shaft hole cover can contact the sleeve to push the sleeve toward the In the bearing, the bearing is used to press the bearing against the first thrust surface of the pedal. The inner diameter of the bearing is larger than the outer diameter of the nut and the washer. The bicycle pedal with variable span according to claim 1, comprising at least one gasket, the gasket is inserted into the shaft hole from the second opening of the pedal, and is sleeved on the tail section of the shaft center The gasket is between the bearing and the adjusting collar or nut. The bicycle pedal with variable span according to claim 6, when the adjusting collar is in the first position, the gasket is between the bearing and the nut, and when the adjusting collar is in the second In position, the gasket is between the bearing and the adjusting collar.

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