TWM562256U - Bicycle folding mechanism - Google Patents

Abstract

The creation bicycle folding mechanism comprises a frame, a standpipe and a front fork. One end of the frame is provided with a front tube, and the stand tube can be pivotally disposed in the front tube relative to the frame, and the standpipe is adjacent to the frame The lower end is fixedly connected with a connecting seat. The front fork includes a connecting end and a front end different from the connecting end. The connecting end of the front fork is connected to the connecting seat of the vertical pipe, and the front fork can be in the unfolded position and the folded position. When the front fork is in the unfolded position, the front end is away from the frame, and when the front fork is in the folding position, the front end is adjacent to the frame, and the folding mechanism can provide a new type of folding manner of the bicycle through the above design.

Description

Bicycle folding mechanism

This creation mainly reveals a folding mechanism, especially a bicycle folding mechanism.

Please refer to the patent of the "Foldable bicycle structure that can be easily towed" in the Chinese Patent No. M551154, which is a folding bicycle structure that can be easily towed, comprising: a horizontal tube with a first turning device and a second a turning device, wherein the horizontal tube forms a front horizontal tube, a middle horizontal tube and a rear horizontal tube, the first folding device is connected to the front horizontal tube and the middle horizontal tube, and the second folding device is connected to the middle horizontal tube and the rear horizontal tube a front tube of the front horizontal tube is connected to a tube, the rear end of the horizontal tube is connected to a tube, a tripod is arranged below the seat tube; a front fork has a front wheel, the pivot is set in the head tube, and the upper end of the head tube is The third folding device is connected to a handle tube; a rear wheel has a rear wheel and is connected to the seat tube; a wheel frame is disposed above the rear fork and the rear wheel, and the wheel frame is respectively disposed at two sides of the rear end of the rear fork An auxiliary wheel; and a pull rod disposed on the first corner of the top of the horizontal tube.

When moving in a busy city, if you ride a locomotive or drive a car, you may have to spend too much time because of problems with traffic jams or parking spaces. If you use walking, you may not save time and you need to spend a lot of time. Large physical strength, if riding a non-folding bicycle, in the building or other areas where bicycles cannot be used, it will cause inconvenient carrying problems. Therefore, there are existing bicycles suitable for use in the city center. .

The main purpose of the present bicycle folding mechanism is to provide a folding mechanism comprising a frame, a standpipe and a front fork, the frame being provided at one end with a front tube, the stand tube being pivotable relative to the frame The grounding fork is disposed in the front tube, and the vertical tube is fixedly connected with a connecting seat adjacent to the lower end of the frame. The front fork includes a connecting end and a front end different from the connecting end, and the connecting end of the front fork a joint connected to the riser, the front fork being pivotable relative to the standpipe between a deployed position and a folded position, the front end being away from the frame when the front fork is in the deployed position, the front fork being folded In the position, the front end is adjacent to the frame, and the folding mechanism can provide a new type of folding manner of the bicycle through the above design.

The connecting seat is pivotally provided with a locking member, and the locking member is rotatable relative to the connecting seat between a locking position and a releasing position, the connecting end of the front fork is provided with an abutting member, and when the locking member is in the locking position, the locking member is The locking member abuts against the abutting member such that the front fork cannot rotate relative to the vertical tube. When the locking member is in the releasing position, the locking member is disengaged from the abutting member to enable the front fork to rotate relative to the vertical tube.

The front fork includes a first rod, a second rod and a first shock absorber. One end of the first rod is adjacent to the connecting end, and one end of the second rod is pivoted on the first rod. One end of the connecting end, the second rod is different from the front end of the first rod, and one end of the first shock absorber is connected to the first rod and the other end is connected to the second rod.

The front fork includes a third rod, a fourth rod and a second shock absorber. The third rod and the first rod are arranged side by side with each other. One end of the third rod is adjacent to the connecting end, and the abutting member simultaneously Connecting the first rod and the third rod to an end of the connecting end, the fourth rod and the second rod are arranged side by side, and one end of the fourth rod is pivotally disposed at an end of the third rod different from the connecting end. The fourth rod is different from the front end of the third rod adjacent to the front end, and one end of the second shock absorber is connected to the third rod and the other end is connected to the fourth rod.

A side of the third rod adjacent to the first rod is provided with a connecting rod, one end of the connecting rod is connected to the third rod and the other end is connected to a side of the first rod adjacent to the third rod.

Other objects, advantages and novelty of the present invention will become more apparent from the following detailed description.

The techniques, means, and effects of the present invention are described in detail with reference to the accompanying drawings.

1 to 3, a perspective view, an exploded perspective view and a cross-sectional structural view of the bicycle folding mechanism of the present invention. The present folding mechanism 10 includes a frame 20, a standpipe 30 and a front fork 40;

One end of the frame 20 is provided with a front tube 21.

Please refer to FIG. 4 to FIG. 8 for the state of use of the front fork of the bicycle folding mechanism in the unfolded or folded position and the locking member in the locked or released position. The standpipe 30 can be pivotally disposed in the front tube 21 with respect to the frame 20, and the standpipe 30 is fixedly connected with a joint seat 31 adjacent to the lower end of the frame 20, and the joint seat 31 is sleeved. Fixedly connected to the standpipe 30, the joint seat 31 is pivotally provided with a locking member 32, which is rotatable relative to the joint seat 31 between the locked position and the released position.

The front fork 40 includes a connecting end 41 and a front end 42 different from the connecting end 41. The connecting end 41 of the front fork 40 is connected to the connecting seat 31 of the standpipe 30. The front fork 40 can be in the deployed position. The pivot tube 30 is pivoted relative to the folding position. When the front fork 40 is in the deployed position, the front end 42 is away from the frame 20. When the front fork 40 is in the folded position, the front end 42 is adjacent to the frame 20. .

The connecting end 41 of the front fork 40 is provided with an abutting member 43. When the locking member 32 is in the locking position, the locking member 32 abuts against the abutting member 43 so that the front fork 40 cannot rotate relative to the vertical tube 30. Thereby, the frame is maintained in the deployed position; when the locking member 32 is in the release position, the locking member 32 is disengaged from the abutting member 43 to enable the front fork 40 to rotate relative to the standpipe 30, thereby making the frame Get a discount.

The front fork 40 includes a first rod 44, a second rod 45 and a first shock absorber 46. One end of the first rod 44 is adjacent to the connecting end 41, and one end of the second rod 45 is pivoted thereto. The first rod 44 is different from the end of the connecting end 41. The second rod 45 is different from the end of the first rod 44. The first end of the first shock absorber 46 is connected to the first rod 44. And the other end is different from the second rod 45.

The front fork 40 includes a third rod 47, a fourth rod 48 and a second shock absorber 49. The third rod 47 and the first rod 44 are arranged next to each other, and one end of the third rod 47 is adjacent to the connection. The end 41 is simultaneously connected to one end of the first rod 44 and the third rod 47 adjacent to the connecting end 41, and the fourth rod 48 and the second rod 45 are arranged side by side with each other, the fourth rod 48 One end of the third rod 47 is different from the end of the connecting end 41. The fourth rod 48 is different from the end of the third rod 47. The second end of the second shock absorber 49 is connected to one end. The third rod 47 and the other end are connected to the fourth rod 48.

A connecting rod 471 is disposed on a side of the third rod 47 adjacent to the first rod 44. One end of the connecting rod 471 is connected to the third rod 47 and the other end is connected to the first rod 44. One side of the three-bar 47.

One end of the standpipe 30 protruding above the front tube 21 can be connected to a handlebar, and the front end 42 of the front fork 40 can be connected to the front wheel. Through the above design, the folding mechanism 10 can provide a new type of folding of the bicycle.

As far as the above is concerned, it can be concluded that this creation has the following advantages:

1. The present bicycle folding mechanism, wherein the folding mechanism comprises a frame, a standpipe and a front fork, and one end of the frame is provided with a front tube, the stand tube can be pivotally arranged relative to the frame In the front tube, the vertical tube is fixedly connected with a connecting seat adjacent to the lower end of the frame, the front fork includes a connecting end and a front end different from the connecting end, and the connecting end of the front fork is connected to the connecting end a joint of the standpipe, the front fork being pivotable relative to the standpipe between a deployed position and a collapsed position, the front end being away from the frame when the front fork is in the deployed position, and the front fork is in the folded position The front end is adjacent to the frame, and the folding mechanism can provide a new type of folding manner of the bicycle through the above design.

However, the above description is only for the preferred embodiment of the present invention, and the scope of the present invention may not be limited thereto, so that the numerical value is changed or the replacement of the equivalent elements, or the equivalent of the patent application scope of the present invention. Changes and modifications should remain within the scope of this new patent.

10‧‧‧Folding mechanism
20‧‧‧ frame
21‧‧‧Before
30‧‧‧ standpipe
31‧‧‧ link
32‧‧‧Locking parts
40‧‧‧ front fork
41‧‧‧Connecting end
42‧‧‧ front end
43‧‧‧After the top piece
44‧‧‧first shot
45‧‧‧second shot
46‧‧‧First shock absorber
47‧‧‧third rod
471‧‧‧ Connecting rod
48‧‧‧fourth shot
49‧‧‧Second shock absorber

Figure 1 is a perspective view of the folding mechanism of the bicycle. Figure 2: An exploded perspective view of the bicycle folding mechanism of the present invention. Figure 3: A cross-sectional structural view of the bicycle folding mechanism of the present invention. Fig. 4 is a view showing the state of use of the front fork of the bicycle folding mechanism in the unfolded position and the locking member in the locked position. Fig. 5 is a view showing the state of use of the front fork of the bicycle folding mechanism in the unfolded position and the locking member in the release position. Fig. 6 is a view showing the state of use of the front fork of the bicycle folding mechanism in the unfolded position and the locking member in the release position. Fig. 7 is a view showing the state of use of the front fork of the bicycle folding mechanism in the folding position. Figure 8 is a diagram showing the state of use of the front fork of the bicycle folding mechanism in the folding position.

Claims (6)

A bicycle folding mechanism includes: a frame, one end of the frame is provided with a front tube; and a vertical tube that can be pivotally disposed in the front tube relative to the frame, the standpipe A connecting seat is fixedly connected to an end of the lower side of the frame; a front fork includes a connecting end and a front end different from the connecting end, and the connecting end of the front fork is connected to the connecting seat of the vertical pipe The front fork is pivotable relative to the vertical tube between a deployed position and a folded position. The front fork is away from the frame when the front fork is in the deployed position, and the front end is adjacent to the vehicle when the front fork is in the folded position. frame. The bicycle folding mechanism according to claim 1, wherein the connecting seat is pivotally provided with a locking member, and the locking member is rotatable relative to the connecting seat between a locking position and a releasing position, and the connecting end of the front fork is provided with abutting a top piece, the locking member abuts against the abutting member when the locking member is in the locking position, so that the front fork cannot rotate relative to the vertical tube, and the locking member is disengaged from the abutting member when the locking member is in the releasing position. The front fork is enabled to rotate relative to the standpipe. The bicycle folding mechanism according to claim 2, wherein the front fork includes a first rod, a second rod and a first shock absorber, one end of the first rod is adjacent to the connecting end, and the second rod is One end is pivotally disposed at an end of the first rod different from the connecting end, and the second rod is different from an end of the first rod adjacent to the front end, and one end of the first shock absorber is connected to the first rod and is different The other end is connected to the second rod. The bicycle folding mechanism of claim 3, wherein the front fork includes a third rod, a fourth rod and a second shock absorber, the third rod and the first rod being side by side, the third rod One end is adjacent to the connecting end, and the abutting member is simultaneously connected to one end of the first rod and the third rod adjacent to the connecting end, the fourth rod and the second rod are arranged side by side, and one end of the fourth rod is pivoted The third rod is different from one end of the connecting end, the fourth rod is different from the end of the third rod adjacent to the front end, and one end of the second shock absorber is connected to the third rod and the other end is connected On the fourth shot. The bicycle folding mechanism of claim 4, wherein a side of the third rod adjacent to the first rod is provided with a connecting rod, one end of the connecting rod is connected to the third rod and the other end is connected to the The first rod is adjacent to one side of the third rod. The bicycle folding mechanism of claim 1, wherein the joint is fixedly connected to the standpipe in a sleeve manner.