CN219750044U - Bicycle shaft rotating folding structure - Google Patents

Abstract

The utility model discloses a bicycle shaft rotating and folding structure which comprises a bicycle frame main rod and a rear hook claw, wherein an upper saddle rod is arranged at the rear end of the bicycle frame main rod, the rear hook claw is rotatably connected with the upper saddle rod through a lower saddle rod, a lock hole which is penetrated up and down is formed in the bicycle frame main rod, a quick-release lock rod is penetrated and arranged in the lock hole, the top of the quick-release lock rod is connected with a lock head, the bottom of the quick-release lock rod is connected with a quick-release lock cap, and the front end of the rear hook claw is matched with the quick-release lock cap. The folding bicycle frame is simple in structure, convenient to operate, stable in overall structure and high in safety in the using process, reduces space after folding, is convenient to transport and place, and reduces the cost of transport and placement.

Description

Bicycle shaft rotating folding structure

Technical Field

The utility model belongs to the technical field of bicycle frame folding, and particularly relates to a bicycle shaft rotating folding structure.

Background

Along with the improvement of national living standard, people's health consciousness is gradually improved, and the body building becomes the forward step of people to health. The bicycle riding motion becomes one of the body-building motions of people, no matter the bicycle is selected by people who walk on duty or travel, the bicycle is more and more harsh, the bicycle frame with the folding function is derived for convenient parking and transportation, and the occupied space of the bicycle can be reduced by folding the bicycle, so that the cost of placing and transporting the bicycle is greatly reduced. The existing folding structure is divided into two on the main pipe, so that the main pipe is not stable enough to greatly discount the safety of the frame, and the corresponding fixed structure valve is too many and inconvenient and not stable enough. In view of the above, the present utility model provides a bicycle folding structure frame of the axle type.

Disclosure of Invention

Aiming at the problems in the related art, the utility model provides a novel bicycle frame which is convenient and quick to fold. The main pipe of the frame is firmer, and the fixing structure is firmer.

For this purpose, the utility model adopts the following specific technical scheme:

a bicycle shaft rotating and folding structure comprises a bicycle frame main rod and a rear hook claw, wherein an upper saddle rod is arranged at the rear end of the bicycle frame main rod, the rear hook claw is connected with the upper saddle rod in a rotating mode through a lower saddle rod, a lock hole which penetrates through from top to bottom is formed in the bicycle frame main rod, a quick-release lock rod is arranged in the lock hole in a penetrating mode, the top of the quick-release lock rod is connected with a lock head, the bottom of the quick-release lock rod is connected with a quick-release lock cap, and the front end of the rear hook claw is matched with the quick-release lock cap.

Preferably, the back hook claw comprises an upper back fork, a lower back fork and a back fork fixing rod, wherein the upper back fork and the lower back fork are respectively provided with two, are symmetrically arranged on two sides of the lower saddle rod, the upper back fork and the lower back fork on two sides of the lower saddle rod are connected at the back end, the front end of the upper back fork is connected with the top of the back fork fixing rod, the front end of the lower back fork is connected with the bottom of the back fork fixing rod, and the bottom of the lower saddle rod is connected with the lower back fork and the back fork fixing rod.

Preferably, a rear fork sleeve is arranged at the top of the rear fork fixing rod, and the quick-release locking cap is connected with the rear fork sleeve in a matched mode.

Preferably, the side part of the rear fork sleeve is provided with an opening for the quick-release locking cap to enter and exit, the rear fork sleeve is internally provided with a movable groove for the quick-release locking cap to move up and down, and the upper part of the movable groove is provided with a limiting step.

Preferably, the spring is sleeved on the lower part of the quick-release lock rod and is positioned above the quick-release lock cap.

Preferably, a protective pad is arranged between the lower saddle post and the upper saddle post.

The beneficial effects of the utility model are as follows:

the folding bicycle frame is simple in structure, convenient to operate, stable in overall structure and high in safety in the using process, reduces space after folding, is convenient to transport and place, and reduces the cost of transport and placement.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a plan view of the structure of the present utility model;

FIG. 2 is a fragmentary view of the frame components of the present utility model;

FIG. 3 is a disassembled view of the post-rotation fixation structure of the present utility model;

FIG. 4 is a view showing the back hook during folding in accordance with the present utility model;

FIG. 5 is a schematic view of the present utility model after the back hook is folded;

FIG. 6 is a schematic view of the structure of the rear fork sleeve of the present utility model;

FIG. 7 is a schematic view of the location of the quick release locking cap within the rear fork sleeve of the present utility model;

labeling in the schematic illustration:

1. a main frame rod; 2. a rear hook claw; 3. a seat post is arranged; 4. a lower seat post; 5. a quick-release lock rod; 6. a lock head; 7. quick-release locking caps; 8. a rear fork sleeve; 9. a protective pad; 10. a spring; 11. a lock hole; 21. an upper rear fork; 22. a lower rear fork; 23. a rear fork fixing rod; 81. an opening; 82. a movable groove; 83. and limiting the step.

Detailed Description

For the purpose of further illustrating the various embodiments, the present utility model provides the accompanying drawings, which are a part of the disclosure of the present utility model, and which are mainly used to illustrate the embodiments and, together with the description, serve to explain the principles of the embodiments, and with reference to these descriptions, one skilled in the art will recognize other possible implementations and advantages of the present utility model, wherein elements are not drawn to scale, and like reference numerals are generally used to designate like elements.

According to an embodiment of the present utility model, a bicycle hub folding structure is provided.

The utility model will now be further described with reference to the accompanying drawings and the specific embodiments, as shown in fig. 1 to 7, the present embodiment relates to a bicycle shaft rotating folding structure, which comprises a frame main rod 1 and a rear hook claw 2, wherein the rear end of the frame main rod 1 is provided with an upper saddle rod 3, the rear hook claw 2 is rotatably connected with the upper saddle rod 3 through a lower saddle rod 4, and a protection pad 9 is arranged between the lower saddle rod 4 and the upper saddle rod 3; the frame mobile jib 1 is equipped with the lockhole 11 that link up from top to bottom, runs through in the lockhole 11 and sets up quick detach locking lever 5, and tapered end 6 is connected at the top of quick detach locking lever 5, and quick detach locking lever 5 bottom is connected quick detach locking cap 7, the front end of back hook claw 2 cooperate with quick detach locking cap 7.

The rear hook claw 2 comprises an upper rear fork 21, a lower rear fork 22 and a rear fork fixing rod 23, wherein the upper rear fork 21 and the lower rear fork 22 are respectively provided with two, are symmetrically arranged on two sides of the lower seat post 4, the upper rear fork 21 and the lower rear fork 22 on two sides of the lower seat post 4 are connected at the rear end, the front end of the upper rear fork 21 is connected with the top of the rear fork fixing rod 23, the front end of the lower rear fork 22 is connected with the bottom of the rear fork fixing rod 23, and the bottom of the lower seat post 4 is connected with the lower rear fork 22 and the rear fork fixing rod 23.

The top of back fork dead lever 23 be equipped with back fork sleeve 8, quick detach locking cap 7 and back fork sleeve 8 cooperation be connected, the lateral part of back fork sleeve 8 set up the opening 81 that is used for quick detach locking cap 7 business turn over, the inside movable groove 82 that is used for quick detach locking cap 7 to reciprocate that is equipped with of back fork sleeve 8, the upper portion of movable groove 82 is equipped with spacing step 83. The spring 10 is sleeved on the lower part of the quick-release lock rod 5, and the spring 10 is positioned above the quick-release lock cap 7.

As shown in fig. 1 and 2, in the embodiment of the present utility model, a main frame rod 1, an upper seat post 3 form a frame member a, a rear hook claw 2 and a lower seat post 4 form a frame member B, and the frame member a is connected to the frame member B through a rotating bearing and is allowed to rotate smoothly through a protective pad 9; after the frame can be rotated and folded, a fixing structure is required to be manufactured, a lock hole 11 is drilled in the frame main rod 1 in the vertical direction of the rear fork sleeve 8, a quick-release lock rod 5 suitable for the length of the lock hole 11 of the frame main rod 1 is manufactured, and the quick-release lock rod 5 is required to penetrate through the frame main rod 1 to be connected with the rear fork sleeve 8. The rear fork sleeve 8 is internally provided with a movable groove 82, and the bottom of the quick-release lock rod 5 passes through the lock hole 11 and is assembled into a frame rotating shaft fixing structure by firstly installing the spring 10 and then fastening the quick-release lock cap 7.

According to the combination of the two points, the frame can release the lock head 6 at the top of the quick-release lock rod 5, so that the rod length below the quick-release lock rod 5 is prolonged, the quick-release lock cap 7 is separated from the movable groove 82 in the rear fork sleeve 8, the frame can rotate clockwise as shown in fig. 4, and the frame schematic diagram after 40 degrees of clockwise rotation is shown after the lock head 6 is released, and the frame can be folded in half by continuing to rotate 140 degrees anticlockwise as shown in fig. 5.

So just can let the frame anticlockwise rotation 180 when using tighten the tapered end 6 at quick detach locking lever 5 top and carry out the frame firm, can loosen the tapered end 6 of quick detach locking lever 5 and carry out clockwise rotation when transporting and putting and reduce space and conveniently transport and put thereby reduce transportation and put cost problem.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (6)

1. The utility model provides a bicycle axle changes beta structure, its characterized in that, it includes frame mobile jib and back colludes the claw, the rear end of frame mobile jib be equipped with the saddle pole, back colludes the claw and rotates with last saddle pole through the saddle pole down and be connected, is equipped with the lockhole that link up from top to bottom on the frame mobile jib, runs through in the lockhole and sets up the quick detach locking lever, the tapered end is connected at the top of quick detach locking lever, quick detach locking cap is connected to quick detach locking lever bottom, the front end of back collude claw and quick detach locking cap cooperation.

2. The bicycle shaft folding structure according to claim 1, wherein the rear hook claw comprises an upper rear fork, a lower rear fork and a rear fork fixing rod, the upper rear fork and the lower rear fork are respectively provided with two, and are symmetrically arranged on two sides of the lower seat rod, the upper rear fork and the lower rear fork on two sides of the lower seat rod are connected at the rear end, the front end of the upper rear fork is connected with the top of the rear fork fixing rod, the front end of the lower rear fork is connected with the bottom of the rear fork fixing rod, and the bottom of the lower seat rod is connected with the lower rear fork and the rear fork fixing rod.

3. The bicycle hub axle folding structure of claim 2, wherein a rear fork sleeve is provided on top of the rear fork fixing rod, and the quick release locking cap is cooperatively connected with the rear fork sleeve.

4. The bicycle shaft turning folding structure according to claim 3, wherein the side part of the rear fork sleeve is provided with an opening for the quick-release locking cap to enter and exit, the rear fork sleeve is internally provided with a movable groove for the quick-release locking cap to move up and down, and the upper part of the movable groove is provided with a limiting step.

5. The bicycle hub folding structure according to claim 3, wherein the spring is sleeved on the lower portion of the quick release lock lever and is located above the quick release lock cap.

6. The bicycle axle fold arrangement of claim 1 wherein a protective cushion is provided between the lower and upper saddle posts.