CN109591940B

CN109591940B - Foldable bicycle pedal connecting device

Info

Publication number: CN109591940B
Application number: CN201811419004.8A
Authority: CN
Inventors: 王粤明
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-11-26
Filing date: 2018-11-26
Publication date: 2021-02-26
Anticipated expiration: 2038-11-26
Also published as: CN109591940A

Abstract

The invention relates to a bicycle structure system, in particular to a foldable bicycle pedal connecting device, which comprises a first connecting body, a transmission piece and a second connecting body, wherein the first connecting body is fixedly connected with the transmission piece, and the second connecting body is rotatably connected with the transmission piece; the other ends of the first connecting body and the second connecting body are respectively provided with a rotatable structure for connecting a pedal, the pedal connecting device is provided with a transmission structure for pulling the rotatable structure to rotate and a movable control key for providing power, and the movable control key is arranged at the joint of the transmission part and the second connecting body and can be movably inserted into the second connecting body; the pedal connecting device is also provided with a reset structure for reset control; the movable control key is pressed down and the second connecting body rotates around the transmission piece to be parallel to the first connecting body through the transmission structure, so that the pedal integral folding of the bicycle is realized. The invention realizes the function of one-key vehicle collection by setting.

Description

Foldable bicycle pedal connecting device

Technical Field

The present invention relates to a bicycle structural system, and more particularly, to a foldable bicycle pedal attachment apparatus.

Background

Nowadays, society pays more and more attention to the environmental protection problem and the health problem, and people pay more and more attention to green trip, not only can solve the environmental protection problem, can also temper the health. The bicycle exercise has the advantages of no time limit and no speed limit. The bicycle can not only reduce weight, but also make the stature uniform. Since the cycling is a exercise that requires a large amount of oxygen, the cardiac function can also be enhanced. At the same time, it can also prevent hypertension, sometimes more effectively than drugs. When the bicycle is stepped on to compress blood vessels, the blood circulation is accelerated, the brain intakes more oxygen, and the brain is more clear by sucking a large amount of fresh air.

Folding bicycles are becoming more and more popular today because they can be ridden anytime and anywhere. However, many folding bicycles are inconvenient to store the pedal part and inconvenient to open.

Disclosure of Invention

The foldable bicycle pedal connecting device is arranged, so that when the foldable bicycle pedal connecting device is folded, feet act on the movable control keys, force transmission is achieved through the action of the movable control keys, the movable control keys are pressed down and the transmission structure is used, the second connecting body rotates around the transmission part and rotates to be arranged in the same direction as the first connecting body, the second connecting body rotates to the pedal through the rotatable structure to achieve rotation, the bicycle pedal is integrally folded, and the function of one-key bicycle folding is achieved.

In order to solve the technical problems, the invention adopts the technical scheme that:

the pedal connecting device comprises a first connecting body, a transmission piece and a second connecting body, wherein the first connecting body is fixedly connected with the transmission piece, and the second connecting body is rotatably connected with the transmission piece; the pedal connecting device is provided with a transmission structure for pulling the rotatable structure to rotate and a movable control key for providing power, and the movable control key is arranged at the joint of the transmission part and the second connecting body and can be movably inserted into the second connecting body; the pedal connecting device is also provided with a reset structure for reset control;

according to the bicycle pedal, the movable control key is pressed down and the transmission structure is passed through, the second connecting body rotates around the transmission piece, rotates to the same direction with the first connecting body, and rotates to pedal through the rotatable structure to realize rotation, so that the pedal integral folding of the bicycle is realized.

The invention provides a foldable bicycle pedal connecting device, which is arranged so that when folded, feet act on a movable control key, force transmission is realized through the action of the movable control key, the movable control key is pressed down and a transmission structure is used, a second connecting body rotates around a transmission part to rotate to the same direction as the first connecting body, and the second connecting body rotates to a pedal through a rotatable structure to realize rotation, so that the integral folding of a bicycle pedal is realized, and the function of one-key bicycle folding is realized. In a similar way, the movable control key is pressed again and popped up, and the unfolding of the pedal of the folding bicycle is realized through the force transmission of the reset structure and the transmission structure.

Preferably, the rotatable structure of the first connecting body rotates to one side of the first connecting body within a range of 0 to 90 °, and the rotatable structure of the second connecting body rotates to one side of the second connecting body within a range of 0 to 90 °.

Preferably, first bayonet lock, first cavity, the second cavity that the order was installed are equipped with in first connecting body inside, transmission structure includes the first transmission rope that runs through driving medium to second connecting body from the second connecting body is inside, first transmission rope passes second cavity, first cavity in proper order and is connected with the nearest of first bayonet lock, first bayonet lock and rotatable structure joint. In particular, the rotatable structure is provided with a first recess for engaging with the first detent, it being noted that this is merely preferred and not a restrictive provision.

Preferably, the transverse radial dimension of the first cavity is greater than the transverse radial dimension of the second cavity; the reset structure comprises a first reset spring structure arranged in the first cavity. It should be noted that the first return spring structure is only preferred, and not restrictive, and other elastic return structures are also possible.

Preferably, the second is connected inside second bayonet lock, third bayonet lock, first transmission shaft, the fourth bayonet lock of being equipped with the installation in order of body, second bayonet lock and activity control key-type connection, fourth bayonet lock and rotatable structure joint. In particular, the rotatable structure is provided with a second recess for engagement with the fourth bayonet, it being noted that this is preferred and not a restrictive provision.

Preferably, be equipped with first sleeve, second sleeve between first transmission shaft and the fourth bayonet lock, be equipped with the pulley on the second sleeve, transmission structure includes that one end is connected with the second sleeve terminal, the other end is connected with the second driving rope of fourth bayonet lock proximal end, the second driving rope twines on the pulley.

Preferably, the return structure comprises a second return spring structure disposed between the second sleeve and the fourth bayonet. It should be noted that the second return spring structure is only preferred and not restrictive, and other elastic return structures are also possible.

Preferably, the size of the transverse width of the transmission piece is matched with the longitudinal length of the second clamping pin, and the end parts of the second clamping pin and the third clamping pin are both provided with a chamfer structure. The chamfer structure is arranged to enable the transmission piece to be located at the bottom end at first, and the size of the middle of the second clamping pin is obviously larger than that of the end portion at the back, so that the transmission piece moves upwards, and the second connection body can rotate.

Preferably, the movable control key is a columnar structure provided with an end part convenient for hand buckling, and the length of the movable control key movably inserted into the second connecting body is matched with the distance value from the second connecting body to the nearest end of the transmission piece.

Preferably, a hollow connecting shaft is arranged inside the transmission piece; the first connecting body and the transmission piece are clamped tightly through a first thread structure; the second connecting body and the transmission piece are clamped tightly through a second thread structure.

The specific working principle is as follows: the specific working principle is as follows:

the folding process comprises the following steps: firstly, pressing down a movable control key, pushing a second clamping pin to move by the movable control key, moving the second clamping pin to the bottom end of a transmission part, jacking the transmission part and pushing a third clamping pin to move simultaneously, wherein a first transmission rope is pulled downwards due to the movement of the second clamping pin, and the first clamping pin is pulled by the first transmission rope which passes through a second cavity and the first cavity and is connected with the nearest end of the first clamping pin through force transmission, so that the first clamping pin is not clamped with a transmission structure any more, then the transmission structure rotates, and a first pedal connected with the transmission structure is driven to rotate, so that the first pedal is stored;

in addition, the second clamping pin pushes the third clamping pin to move, so that the third clamping pin pushes the first transmission shaft to move, the first transmission shaft pushes the first sleeve and the second sleeve to move sequentially through force transmission, and the second transmission rope is pulled to generate acting force, so that the fourth clamping pin connected with the second transmission rope is pulled to be not clamped with the rotatable structure any more, then the rotatable structure rotates, and the second pedal connected with the rotatable structure is driven to rotate, so that the second pedal is accommodated;

and because the size of the transverse width of driving medium and the longitudinal length phase-match of second bayonet lock for when the second bayonet lock was promoted to the lower extreme of driving medium, the body was connected to the second of driving medium no longer joint, thereby makes the second connect the body and can rotate around the driving medium, makes the second connect the body and rotate to with first connection body syntropy position, has realized folding minimum.

And (3) unfolding process: the movable control key is pulled up to reset the movable control key, then a first reset spring structure of a first cavity in the first connecting body generates a rebound force to try to restore the original shape, so that the first clamping pin is pushed to move forwards until the rotatable structure is clamped, so that the rotatable structure is clamped, and the first pedal is unfolded;

meanwhile, the first clamping pin moves forwards, the first transmission rope is pulled to pull the second clamping pin connected with the first transmission rope, so that the second clamping pin moves to the movable control key side to reset, the second reset spring structure is not strongly extruded any more due to the movement of the second clamping pin, the spring generates the tension of the restored state and generates a pushing force to two handsome sides, and the fourth clamping pin is pushed to move to the rotatable structure side until the rotatable structure is clamped, so that the second pedal is unfolded;

in addition, the second connecting body is rotated to the original state, the spring pushes the first transmission shaft to move towards the second clamping pin side, so that the second clamping pin is integrally pushed to move, when the second clamping pin completely moves out of the area where the transmission part is projected, the second connecting body is clamped and fixed with the transmission part, the second connecting body and the first connecting body are unfolded, and the phenomenon that the bicycle is influenced by rotation is avoided.

Compared with the prior art, the invention has the beneficial effects that:

the invention provides a foldable bicycle pedal connecting device, which is arranged so that when folded, feet act on a movable control key, force transmission is realized through the action of the movable control key, the movable control key is pressed down and a transmission structure is used, a second connecting body rotates around a transmission part to rotate to the same direction as the first connecting body, and the second connecting body rotates to a pedal through a rotatable structure to realize rotation, so that the integral folding of the bicycle pedal is realized, and the function of one-key bicycle folding is realized. In a similar way, the movable control key is pressed again and popped up, and the unfolding of the pedal of the folding bicycle is realized through the force transmission of the reset structure and the transmission structure.

Drawings

FIG. 1 is a schematic view of a foldable bicycle footrest for the bicycle in accordance with the present invention.

Fig. 2 is a cross-sectional view of fig. 1.

Fig. 3 is a schematic view of the connection structure of fig. 2 after the reset structure is provided.

Fig. 4 is another enlarged view of a portion a of fig. 3.

Fig. 5 is a sectional view after the foothold is folded.

Detailed Description

The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.

Examples

Referring to fig. 1 to 5, a foldable bicycle pedal device of the present invention is shown, wherein the pedal connecting device includes a first connecting body 1, a driving member 2, and a second connecting body 3, the first connecting body 1 is fixedly connected to the driving member 2, and the second connecting body 3 is rotatably connected to the driving member 2; one end of each of the first connecting body 1 and the second connecting body 3 is provided with a rotatable structure 4 for connecting a pedal, the pedal connecting device is provided with a transmission structure for pulling the rotatable structure 4 to rotate and a movable control key 5 for providing power, and the movable control key 5 is arranged at the joint of the transmission piece 2 and the second connecting body and can be movably inserted into the second connecting body 3; the pedal connecting device is also provided with a reset structure for reset control;

according to the bicycle pedal folding structure, the movable control key 5 is pressed down, the second connecting body 3 rotates around the transmission piece 2, rotates to the same direction as the first connecting body 1, rotates to the pedal through the rotatable structure 4 to realize rotation, and the pedal integral folding of the bicycle is realized. It should be noted that the driving element 2, i.e. the driving rope fixing rod, is mainly used for fixing the driving rope.

Wherein, the rotatable structure 4 of the first connecting body 1 rotates to one side of the first connecting body 1 within a range of 0 to 90 degrees, and the rotatable structure 4 of the second connecting body 3 rotates to one side of the second connecting body 3 within a range of 0 to 90 degrees.

In addition, the first connecting body 1 is internally provided with a first bayonet 11, a first cavity 12 and a second cavity 13 which are sequentially installed, the transmission structure comprises a first transmission rope 71 which penetrates through the transmission part 2 from the inside of the second connecting body 3 to the second connecting body 3, the first transmission rope 71 sequentially penetrates through the second cavity 13 and the first cavity 12 and is connected with the nearest end of the first bayonet 11, and the first bayonet 11 is clamped with the rotatable structure 4.

Wherein the transverse radial dimension of the first cavity 12 is greater than the transverse radial dimension of the second cavity 13; the return structure includes a first return spring structure 121 disposed within the first cavity 12.

In addition, a second clamping pin 31, a third clamping pin 32, a first transmission shaft 33 and a fourth clamping pin 34 which are sequentially arranged are arranged in the second connecting body 3, the second clamping pin 31 is connected with the movable control key 5, and the fourth transmission shaft 34 is clamped with the rotatable structure 4.

Wherein, be equipped with first sleeve 81, second sleeve 82 between first transmission shaft 33 and the fourth bayonet lock 34, be equipped with pulley 821 on the second sleeve 82, the transmission structure includes that one end is connected with the terminal of second sleeve 82, the other end is connected with the second driving rope 72 of fourth bayonet lock 34 proximal end, second driving rope 72 twines on pulley 821.

In addition, the return structure includes a second return spring structure 122 disposed between the second sleeve 82 and the fourth detent 34.

The size of the transverse width of the transmission piece 2 is matched with the longitudinal length of the second clamping pin 31, and the end parts of the second clamping pin 31 and the third clamping pin 32 are both provided with a chamfer structure.

In addition, the movable control key 5 is a columnar structure provided with an end part convenient for hand buckling, and the length of the movable control key 5 movably inserted into the second connecting body 3 is matched with the distance value from the second connecting body 3 to the nearest end of the transmission piece 2.

Wherein, the transmission part 2 is internally provided with a hollow connecting shaft; the first connecting body 1 and the transmission piece 2 are clamped tightly through a first thread structure 15; the second connecting body 3 is clamped with the transmission piece 2 by a second thread structure 16.

The specific working principle is as follows:

the folding process comprises the following steps: firstly, pressing down the movable control key 5, pushing the second bayonet lock 31 to move by the movable control key 5, moving the second bayonet lock 31 to the bottom end of the transmission part 2, jacking up the transmission part 2 and pushing the third bayonet lock 32 to move at the same time, pulling the first bayonet lock by the first transmission rope which passes through the second cavity 13 and the first cavity 12 and is connected with the nearest end of the first bayonet lock 11 through force transmission, so that the first bayonet lock is not clamped with the transmission structure 4 any more, then the rotation of the rotation structure 4 can be realized, and the first pedal connected with the rotation structure 4 is driven to rotate, and the first pedal 111 can be stored;

in addition, the second bayonet lock 31 pushes the third bayonet lock 32 to move, so that the third bayonet lock 32 pushes the first transmission shaft 33 to move, the first transmission shaft 33 pushes the first sleeve 81 and the second sleeve 82 to move sequentially through force transmission, so that the second transmission rope 72 generates pulling acting force, the fourth bayonet lock 34 connected with the second transmission rope 72 is pulled to be not clamped with the rotatable structure 4, then the rotatable structure 4 rotates, so that the second pedal connected with the rotatable structure 4 is driven to rotate, and the second pedal 333 is accommodated;

and because the size of the horizontal width of driving medium 2 and the longitudinal length phase-match of second bayonet lock 31 for when second bayonet lock 31 was promoted to the lower extreme of driving medium 2, driving medium 2 no longer the joint second connection body 3, thereby make the second connection body 3 can rotate around driving medium 2, make the second connection body 3 rotate to with first connection body 1 syntropy position, realized folding minimum.

And (3) unfolding process: the movable control key 5 is pulled up to reset the movable control key 5, then the first reset spring structure of the first cavity 12 in the first connecting body 1 generates a rebound force to try to restore the original shape, so that the first clamping pin 11 is pushed to move forwards until the rotatable structure 4 is clamped, so that the rotatable structure 4 is clamped, and the first pedal 111 is unfolded;

meanwhile, as the first bayonet lock 11 moves forwards, the first transmission rope 71 is pulled to pull the second bayonet lock 31 connected with the first transmission rope, so that the second bayonet lock 31 moves and resets towards the movable control key 5 side, the second reset spring structure 122 is not strongly extruded by the movement of the second bayonet lock 31, the spring generates the tension for restoring the original state and generates pushing force towards the two sides, so that the fourth bayonet lock 34 is pushed to move towards the rotatable structure 4 side until the rotatable structure 4 is clamped, and the second pedal 333 is unfolded;

in addition, rotate the second and connect body 3 to original state, the spring promotes first transmission shaft 33 and moves to second bayonet lock 31 side simultaneously to wholly promote the removal of second bayonet lock 31, when second bayonet lock 31 moves out the regional of removal driving medium 2 projection completely, second connection body 3 withstands with driving medium 2 and is fixed, thereby realized the expansion of second connection body 3 with first connection body 1, avoided taking place to rotate the use that influences the bicycle.

The principle that the vehicle can be folded by one key and unfolded quickly is realized through the integral work.

Example two

The embodiment is similar to the embodiment, but the difference is that the transmission rope is an elastic structure with certain tension and can be stretched, but the elasticity is in a reasonable range, so that the transmission of force cannot be realized; a drive line similar to a chain is possible. This is not a restrictive provision, however, but is merely preferred.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A pedal connecting device of a foldable bicycle is characterized by comprising a first connecting body (1), a transmission piece (2) and a second connecting body (3), wherein the first connecting body (1) is fixedly connected with the transmission piece (2), and the second connecting body (3) is rotatably connected with the transmission piece (2); one end of each of the first connecting body (1) and the second connecting body (3) is provided with a rotatable structure (4) for connecting a pedal, the pedal connecting device is provided with a transmission structure for pulling the rotatable structure (4) to rotate and a movable control key (5) for providing power, and the movable control key (5) is arranged at the joint of the transmission piece (2) and the second connecting body (3) and can be movably inserted into the second connecting body (3); the pedal connecting device is also provided with a reset structure for reset control; the movable control key (5) is pressed down and the second connecting body (3) rotates around the transmission piece (2) through the transmission structure to be arranged in the same direction as the first connecting body (1), and the rotatable structure (4) rotates to drive the pedals to rotate, so that the integral folding of the bicycle pedals is realized; first bayonet lock (11), first cavity (12), second cavity (13) that first connecting body (1) is inside to be equipped with the order and to install, transmission structure includes from the second connecting body (3) inside first transmission rope (71) that runs through driving medium (2) to first connecting body (1), first transmission rope (71) pass second cavity (13), first cavity (12) in order and are connected with the rear end of first bayonet lock (11), first bayonet lock (11) and rotatable structure (4) joint.

2. The foldable bicycle pedal connection device according to claim 1, characterized in that the rotatable structure (4) of the first connecting body (1) is rotated to one side of the first connecting body (1) in a range of 0-90 °, and the rotatable structure (4) of the second connecting body (3) is rotated to one side of the second connecting body (3) in a range of 0-90 °.

3. Foldable bicycle pedal connection device according to claim 1, characterized in that the transversal dimension of said first cavity (12) is greater than the transversal radial dimension of the second cavity (13); the return structure comprises a first return spring structure (121) arranged inside the first cavity (12).

4. The pedal connection device for a foldable bicycle according to claim 1, wherein a second bayonet lock (31), a third bayonet lock (32), a first transmission shaft (33) and a fourth bayonet lock (34) are sequentially arranged in the second connection body (3), the second bayonet lock (31) is connected with the movable control key (5), and the fourth bayonet lock (34) is clamped with the rotatable structure (4).

5. The foldable bicycle pedal connection device according to claim 4, wherein a first sleeve (81) and a second sleeve (82) are arranged between the first transmission shaft (33) and the fourth bayonet (34), a pulley (821) is arranged on the second sleeve (82), the transmission structure further comprises a second transmission rope (72) with one end connected to the tail end of the second sleeve (82) and the other end connected to the end of the fourth bayonet (34), and the second transmission rope (72) is wound on the pulley (821); the first transmission rope (71) is connected with the other side of the second clamping pin (31).

6. The foldable bicycle pedal attachment as recited in claim 4, characterized in that the return structure comprises a second return spring structure (122) provided between the second sleeve (82) and the fourth bayonet (34).

7. A foldable bicycle pedal attachment arrangement according to claim 6, characterized in that the transverse width of the transmission piece (2) is dimensioned to match the longitudinal length of the second bayonet lock (31) such that when the second bayonet lock (31) is pushed to the lower end of the transmission piece (2), the transmission piece (2) no longer snaps onto the second connection body (3), such that the second connection body (3) can be rotated around the transmission piece (2) such that the second connection body (3) is rotated to a position co-directional with the first connection body (1), a minimum folding being achieved; the end parts of the second clamping pin (31) and the third clamping pin (32) are both provided with a chamfer structure.

8. The foldable bicycle pedal connection according to claim 6, characterized in that the movable control key (5) is a cylindrical structure with an end for easy hand-clasping, the length of the movable control key (5) movably inserted in the second connection body (3) matches the distance from the second connection body (3) to the proximal end of the transmission member (2).

9. Foldable bicycle pedal connection device according to claim 6, characterized in that the transmission member (2) is internally provided with a hollow connection shaft; the first connecting body (1) and the transmission piece (2) are clamped tightly through a first thread structure (15); the second connecting body (3) and the transmission piece (2) are clamped tightly through a second thread structure (16).