CN216660177U

CN216660177U - Frame and bicycle

Info

Publication number: CN216660177U
Application number: CN202220129740.5U
Authority: CN
Inventors: 蔡祖杭; 王启彪
Original assignee: Beijing Qisheng Technology Co Ltd
Current assignee: Beijing Qisheng Technology Co Ltd
Priority date: 2022-01-18
Filing date: 2022-01-18
Publication date: 2022-06-03
Anticipated expiration: 2032-01-18

Abstract

The utility model relates to a frame and a bicycle. This frame includes: the bicycle comprises a handlebar vertical pipe, a front fork vertical pipe, a limiting piece and a locking piece; the handlebar vertical pipe is sleeved outside or inside the front fork vertical pipe; the limiting piece is used for limiting the angle of the handlebar vertical pipe rotating along the circumferential direction of the front fork vertical pipe; the locking piece is used for clamping the handlebar stem on the front fork stem. The retaining member of this frame can effectively avoid the transmission and the wrench movement transmission of front fork riser to the handlebar riser, the locating part can be avoided the front fork riser to rotate for the handlebar riser, the frame of this embodiment passes through the cooperation of retaining member and locating part, can realize the firm assembly of handlebar riser and front fork riser, also can need not to adopt to hang tight screw and wedge and move a matched with mode and install the handlebar riser on the front fork riser, thereby can prevent to hang tight screw looseness owing to long-time the use, wedge wearing and tearing cause that the bicycle front fork is not hard up and because wedge atress motion and cause the emergence of phenomenons such as damage to the front fork riser.

Description

Frame and bicycle

Technical Field

The utility model relates to the technical field of vehicles, in particular to a frame and a bicycle.

Background

The electric bicycle is one of the most common bicycles and is mainly used for riding instead of walking and traveling. Wherein, electric bicycle's handlebar riser adopts to hang tight screw and wedge movable block matched with mode to install on the front fork riser usually, and the mounting means can specifically be: the hoisting screw penetrates through the handlebar vertical pipe to be connected with the wedge-shaped movable block which is positioned in the front fork vertical pipe and can move up and down, and when the hoisting screw is rotated, the wedge-shaped movable block moves upwards until the wedge-shaped movable block is tightly attached to the side wall of the front fork vertical pipe, so that the assembly of the handlebar vertical pipe and the front fork vertical pipe is realized.

However, the above-mentioned method of installing the handle stem on the front fork stem by using the fastening screw and the wedge-shaped moving block has the problems of loosening of the front fork of the electric bicycle due to loosening of the fastening screw and abrasion of the wedge-shaped block after long-term use, and damage of the wedge-shaped block to the front fork stem due to stress movement.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a bicycle frame and a bicycle, which can solve the problems of loosening of a front fork of an electric bicycle caused by loosening of a hanging screw and abrasion of a wedge block after long-time use and damage to a vertical pipe of the front fork caused by forced movement of the wedge block.

A vehicle frame, the vehicle frame comprising: the bicycle comprises a handlebar vertical pipe, a front fork vertical pipe, a limiting piece and a locking piece;

the handlebar vertical pipe is sleeved outside or inside the front fork vertical pipe;

the limiting piece is used for limiting the circumferential rotation angle of the handlebar vertical pipe along the front fork vertical pipe;

the locking piece is used for clamping the handlebar stem on the front fork stem.

In one embodiment, the limiting member comprises a limiting pin and a limiting cavity, and the limiting pin is accommodated in the limiting cavity;

the limiting pin is arranged on the handlebar vertical pipe and penetrates through a pipe cavity of the handlebar vertical pipe along the radial direction of the handlebar vertical pipe, and the limiting cavity is formed in the front fork vertical pipe; or the limiting pin is arranged on the front fork vertical pipe and penetrates through the pipe cavity of the front fork vertical pipe along the radial direction of the front fork vertical pipe, and the limiting cavity is arranged on the handlebar vertical pipe.

In one embodiment, the limiting cavity is of a groove-shaped structure and is arranged on the upper end surface of the front fork vertical pipe or the lower end surface of the handlebar vertical pipe.

In one embodiment, the locking member comprises a clamping ring and a screw member;

the clamping ring is sleeved outside the handlebar stem or the front fork stem, the head and the tail of the clamping ring are provided with intervals and are provided with lug plates, and the lug plates are provided with through holes;

the screw is arranged in the through hole of the ear plate in a penetrating way and can be used for drawing the distance between the head part and the tail part of the clamping ring.

In one embodiment, the threaded member comprises a bolt and a nut, and a screw rod of the bolt passes through the through hole of the lug plate to be in threaded connection with the nut.

In one embodiment, the handlebar stem or the fork stem is provided with an opening between the head and the tail of the clamping ring.

In one embodiment, the outer wall of the handlebar stem is provided with a first avoidance groove for the threaded member to pass through.

In one embodiment, the outer wall of the front fork vertical pipe is provided with a second avoidance groove, and the second avoidance groove is used for enabling the threaded part to penetrate through.

In one embodiment, the handlebar stem is sleeved outside the front fork stem.

In one embodiment, the frame further comprises a handlebar disposed on the handlebar stem.

A bicycle, characterized in that the bicycle comprises a frame as claimed in any one of the preceding claims.

Above-mentioned frame and bicycle, the retaining member can effectively avoid the transmission and the wrench movement transmission of front fork riser to the handlebar riser, the locating part can avoid the front fork riser to rotate for the handlebar riser, the frame of this embodiment passes through the cooperation of retaining member and locating part, can realize the firm assembly of handlebar riser and front fork riser, also can need not to adopt to hang tight screw and wedge movable block matched with mode and install the handlebar riser on the front fork riser, thereby can prevent to hang tight screw looseness owing to long-time the use, wedge wearing and tearing cause the bicycle front fork not hard up and cause the emergence of phenomenons such as damage to the front fork riser owing to wedge atress motion.

Drawings

FIG. 1 is a schematic structural view of a vehicle frame according to an embodiment of the present invention;

fig. 2 is an exploded view of a vehicle frame according to an embodiment of the present invention.

Wherein the reference numerals in the drawings are as follows:

100. a handlebar stem; 110. an opening; 120. a first avoidance slot; 130. mounting holes; 200. a front fork riser; 210. a second avoidance slot; 300. a limiting member; 310. a spacing pin; 320. a limiting cavity; 400. a locking member; 410. a clamping ring; 411. an ear plate; 4111. a through hole; 420. a threaded member; 421. a bolt; 422. a nut; 500. a handlebar.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

The electric bicycle is one of the most common bicycles and is mainly used for riding instead of walking and traveling. Wherein, electric bicycle's handlebar riser adopts to hang tight screw and wedge movable block matched with mode to install on the front fork riser usually, and the mounting means can specifically be: the hanging screw penetrates through the handlebar vertical pipe to be connected with the wedge-shaped movable block which is positioned in the front fork vertical pipe and can move up and down, and when the hanging screw is rotated, the wedge-shaped movable block moves upwards until the wedge-shaped movable block is tightly attached to the side wall of the front fork vertical pipe, so that the assembly of the handlebar vertical pipe and the front fork vertical pipe is realized.

However, in the above-mentioned manner of installing the handlebar stem on the front fork stem by using the fastening screw and the wedge-shaped moving block, there are problems that the front fork of the electric bicycle is loosened due to the loosening of the fastening screw and the abrasion of the wedge-shaped block after long-term use, and the wedge-shaped block damages the front fork stem due to the forced movement.

To this end, an embodiment of the present invention provides a vehicle frame, as shown in fig. 1 and 2, including: a handle bar stem 100, a front fork stem 200, a stopper 300, and a locking member 400; the handle stem 100 is sleeved outside or inside the front fork stem 200; the limiting member 300 is used for limiting the angle of the handle stem 100 rotating along the circumferential direction of the front fork stem 200; the locker 400 serves to clamp the handle stem 100 to the front fork stem 200.

As an example, the frame may be applied to a bicycle such as an electric bicycle, a manual bicycle, and the like.

As an example, as shown in fig. 1 and 2, the frame further includes a handlebar 500 disposed on the handlebar stem 100. The handle bar 500 includes left and right handles, and is connected to the upper end of the handle bar stem 100 by welding or the like.

As an example, the handlebar stem 100 is sleeved outside the front fork stem 200. In this way, the assembly of the handlebar 500 with the handlebar stem 100 is facilitated.

In the frame as described above, the locking member 400 can effectively prevent the transmission and twisting of the front fork stem 200 from being transmitted to the handle stem 100, and the limiting member 300 can prevent the front fork stem 200 from rotating relative to the handle stem 100, so that the frame of the embodiment can realize the stable assembly of the handle stem 100 and the front fork stem 200 by the cooperation of the locking member 400 and the limiting member 300, and the handle stem 100 can be mounted on the front fork stem 200 without adopting the way of matching the fastening screw and the wedge-shaped moving block, thereby preventing the phenomena of loosening of the front fork of the bicycle due to the fastening screw used for a long time, abrasion of the wedge-shaped block, damage to the front fork stem 200 due to the forced movement of the wedge-shaped block, and the like.

In some embodiments of the utility model, as shown in fig. 2, the position-limiting member 300 includes a position-limiting pin 310 and a position-limiting cavity 320, wherein the position-limiting pin 310 is accommodated in the position-limiting cavity 320; the limit pin 310 is arranged on the handlebar stem 100 and penetrates through the tube cavity of the handlebar stem 100 along the radial direction of the handlebar stem 100, and the limit cavity 320 is arranged on the front fork stem 200; alternatively, the stopper pin 310 is disposed on the front fork stem 200 and penetrates the lumen of the front fork stem 200 in the radial direction of the front fork stem 200, and the stopper cavity 320 is opened on the handle stem 100. As an example, in the case that the handle stem 100 is sleeved outside the front fork stem 200, as shown in fig. 2, the stopper pin 310 is disposed on the handle stem 100, and the stopper cavity 320 is opened on the front fork stem 200. The handlebar stem 100 has two opposite mounting holes 130 along the radial direction, and two ends of the stopper pin 310 can be mounted in the corresponding mounting holes 130 by welding or the like. The limiting member 300 of this structure not only plays a limiting role, but also plays a positioning role, so as to facilitate the locking of the handlebar stem 100 by the subsequent locking member 400.

Optionally, the spacing cavity 320 is of a groove-like structure and opens on the upper end surface of the front fork stem 200 or the lower end surface of the handlebar stem 100. As an example, the stopper chamber 320 is opened on the upper end surface of the front fork stem 200 in a state where the handle stem 100 is fitted to the outside of the front fork stem 200. When assembling, the stopper pin 310 is first installed on the handlebar stem 100, then the upper end of the front fork stem 200 is inserted into the lumen of the handlebar stem 100 until the stopper pin 310 enters the stopper cavity 320, and finally the handlebar stem 100 is locked by the locking member 400. The spacing cavity 320 is arranged in a groove-shaped structure, so that the assembly between the front fork vertical pipe 200 and the handlebar vertical pipe 100 is convenient, and the processing of the spacing cavity 320 is also convenient.

In some embodiments of the present invention, as shown in FIGS. 1 and 2, the locking member 400 includes a clamping ring 410 and a threaded member 420; the clamp ring 410 is sleeved outside the handlebar stem 100 or the front fork stem 200, the head and the tail of the clamp ring 410 have a distance and are provided with ear plates 411, wherein the ear plates 411 have through holes 4111; the screw 420 is inserted into the through hole 4111 of the ear plate 411 and can be pulled close to the distance between the head and the tail of the clamping ring 410. As an example, in a case that the handlebar stem 100 is sleeved outside the front fork stem 200, the clamping ring 410 may be welded, integrally formed, or the like on the handlebar stem 100. By turning the screws 420, the head and tail spacing of the clamp ring 410 can be drawn closer to force the handlebar stem 100 to deform, which in turn can clamp the handlebar stem 100 to the outside of the front fork stem 200. It can be appreciated that the inner diameter of clamp ring 410 is adapted to the outer diameter of handlebar stem 100 to allow handlebar stem 100 to be more easily deformed.

Alternatively, as shown in fig. 2, the screw member 420 includes a bolt 421 and a nut 422, and a screw of the bolt 421 passes through the through hole 4111 of the ear plate 411 to be screwed with the nut 422. So, need not to set up the through-hole 4111 of otic placode 411 to the screw hole structure, reduce the processing degree of difficulty.

Alternatively, as shown in FIG. 2, an opening 110 is provided on the handlebar stem 100 or the front fork stem 200, the opening 110 being located between the head and the tail of the clamping ring 410. As an example, the opening 110 is provided at the lower end of the handle stem 100 in a state where the handle stem 100 is sleeved outside the front fork stem 200. The opening 110 allows the handle stem 100 to be more easily deformed by the screw 420, which increases the degree of clamping of the locking member 400 to the handle stem 100. The opening 110 may be in a straight shape, a wave shape, or a bent shape.

Optionally, as shown in fig. 2, the outer wall of the handlebar stem 100 has a first escape groove 120, and the first escape groove 120 is used for the threaded member 420 to pass through. The first avoiding groove 120 facilitates both the threading of the screw 420 and the forced deformation of the handle stem 100.

Optionally, as shown in fig. 2, the outer wall of the front fork riser 200 has a second avoidance groove 210, and the second avoidance groove 210 is used for the screw 420 to pass through. The second avoiding groove 210 facilitates the threading of the screw 420 and the deformation of the handle stem 100.

Another embodiment of the utility model also provides a bicycle, which comprises the bicycle frame.

As an example, the bicycle may be an electric bicycle, a manual bicycle, or the like.

As described above, the locking member 400 of the frame can effectively prevent the transmission and twisting of the front fork stem 200 from being transmitted to the handle stem 100, and the limiting member 300 can prevent the front fork stem 200 from rotating relative to the handle stem 100, so that the frame of the embodiment can realize stable assembly of the handle stem 100 and the front fork stem 200 by the cooperation of the locking member 400 and the limiting member 300, and the handle stem 100 can be mounted on the front fork stem 200 without adopting the manner of matching the fastening screw and the wedge-shaped moving block, thereby preventing the phenomena of loosening of the front fork of the bicycle due to the fastening screw being used for a long time, the abrasion of the wedge-shaped block, the damage of the front fork stem 200 due to the forced movement of the wedge-shaped block, and the like.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A vehicle frame, comprising: a handle bar stem (100), a front fork stem (200), a limiting member (300) and a locking member (400);

the handlebar stem (100) is sleeved outside or inside the front fork stem (200);

the limiting piece (300) is used for limiting the circumferential rotation angle of the handlebar stem (100) along the front fork stem (200);

the locking member (400) is used for clamping the handlebar stem (100) on the front fork stem (200).

2. The vehicle frame of claim 1, wherein the restraint (300) comprises a restraint pin (310) and a restraint cavity (320), the restraint pin (310) being received in the restraint cavity (320);

the limiting pin (310) is arranged on the handlebar stand pipe (100) and penetrates through a pipe cavity of the handlebar stand pipe (100) along the radial direction of the handlebar stand pipe (100), and the limiting cavity (320) is arranged on the front fork stand pipe (200); or the limiting pin (310) is arranged on the front fork riser (200) and penetrates through a pipe cavity of the front fork riser (200) along the radial direction of the front fork riser (200), and the limiting cavity (320) is arranged on the handlebar riser (100).

3. The frame according to claim 2, characterized in that the spacing cavity (320) is of a trough-like configuration and opens onto the upper end face of the front fork stem (200) or onto the lower end face of the handlebar stem (100).

4. The frame of claim 1, wherein the retaining member (400) comprises a clamping ring (410) and a threaded member (420);

the clamping ring (410) is sleeved outside the handlebar stem (100) or the front fork stem (200), the head and the tail of the clamping ring (410) are provided with a space and provided with lug plates (411), wherein the lug plates (411) are provided with through holes (4111);

the screw (420) is arranged in the through hole (4111) of the lug plate (411) in a penetrating way and can be used for drawing the distance between the head part and the tail part of the clamping ring (410).

5. The vehicle frame according to claim 4, characterized in that the threaded member (420) comprises a bolt (421) and a nut (422), and the screw of the bolt (421) passes through the through hole (4111) of the ear plate (411) to be in threaded connection with the nut (422).

6. The frame of claim 4, wherein an opening (110) is provided on the handlebar stem (100) or the fork stem (200), the opening (110) being located between a head and a tail of the clamping ring (410).

7. The frame according to claim 4, characterized in that the outer wall of the handlebar stem (100) has a first avoidance groove (120), the first avoidance groove (120) being used for the threading of the screw (420).

8. The frame according to claim 4, characterized in that the outer wall of the front fork riser (200) has a second avoidance groove (210), the second avoidance groove (210) being used for threading the screw (420).

9. The frame according to any of claims 1-8, wherein the handlebar stem (100) is sleeved outside the front fork stem (200).

10. The frame according to any of claims 1-8, further comprising a handlebar (500) disposed on the handlebar stem (100).

11. A bicycle, characterized in that the bicycle comprises a frame according to any of claims 1-10.