CN215399096U

CN215399096U - Bicycle frame head tube

Info

Publication number: CN215399096U
Application number: CN202120914019.2U
Authority: CN
Inventors: 王文武
Original assignee: Tianjin Huayu Bicycle Co ltd
Current assignee: Tianjin Huayu Bicycle Co ltd
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2022-01-04
Anticipated expiration: 2031-04-29

Abstract

The utility model discloses a bicycle frame head pipe, which comprises a frame main body, wherein a first arc-shaped plate is welded at the right end of the frame main body, a second arc-shaped plate is movably connected to the right side of the first arc-shaped plate, a vertical pipe is arranged between the first arc-shaped plate and the second arc-shaped plate, a lead screw is rotatably connected to the outer wall of the left side of the first arc-shaped plate, a connecting plate is movably connected to the lead screw, movable plates are welded to the two ends of the right side of the connecting plate, a plurality of movable rods are rotatably connected to the right side of each movable plate, a fixing mechanism located on the first arc-shaped plate is arranged on the right side of each movable rod, and a plurality of fixing plates are welded to the outer walls of the front side and the back side of the second arc-shaped plate. The head pipe can be rapidly disassembled when the device assembles the front fork of the bicycle through the combination of various structures, the fixed pattern of the traditional head pipe is replaced, the assembly of the front fork of the bicycle is convenient, and the burden of workers is reduced.

Description

Bicycle frame head tube

Technical Field

The utility model relates to the technical field of bicycles, in particular to a bicycle frame head tube.

Background

Bicycles, also known as bicycles or bicycles, are typically two-wheeled small land vehicles. After a person rides the vehicle, the person steps on the pedal as power, and the vehicle is a green and environment-friendly vehicle. There are many component structures of bicycles, and the frame head tube is one of them.

At present, a frame head pipe of a traditional bicycle basically adopts a sleeve shape with a fixed pattern, and a welding mode is adopted between the frame head pipe and a frame of the bicycle, so that a bicycle front fork structure and a handle which are installed in the frame head pipe are required to be extracted from the frame head pipe when a product is maintained, and the bicycle needs to be supported and lifted up by the operation, so that the working efficiency is influenced. Therefore, how to process the frame head pipe of the bicycle becomes a problem which needs to be solved urgently.

SUMMERY OF THE UTILITY MODEL

Objects of the utility model

The utility model provides a bicycle frame head tube, which can be quickly disassembled when a front fork of a bicycle is assembled through the combination of various structures, replaces the fixed style of the traditional head tube, is convenient for assembling the front fork of the bicycle and lightens the burden of workers.

(II) technical scheme

The utility model provides a bicycle frame head pipe, which comprises a frame main body, wherein a first arc-shaped plate is welded at the right end of the frame main body, a second arc-shaped plate is movably connected to the right side of the first arc-shaped plate, a vertical pipe is arranged between the first arc-shaped plate and the second arc-shaped plate, a lead screw is rotatably connected to the outer wall of the left side of the first arc-shaped plate, a connecting plate is movably connected to the lead screw, movable plates are welded to the two ends of the right side of the connecting plate, a plurality of movable rods are rotatably connected to the right side of each movable plate, a fixing mechanism located on the first arc-shaped plate is arranged on the right side of each movable rod, a plurality of fixed plates are welded to the outer walls of the front side and the back side of the second arc-shaped plate, and a clamping plate is welded to one end, far away from the second arc-shaped plate, of each fixed plate.

Preferably, a slotted hole is formed in the wall of the middle shell of the connecting plate, a threaded sleeve is arranged inside the slotted hole, and the threaded sleeve is movably connected with the screw rod.

Preferably, each fixing mechanism comprises a clamping seat, a supporting rod and a threaded rod, a connecting groove is formed in the clamping seat, a through groove located in the clamping seat is formed in the left side of the connecting groove, the threaded rod is movably connected inside the through groove, and the left side of the threaded rod is fixedly connected to the movable rod.

Preferably, every the movable groove has all been seted up to the surface of movable rod, and the inside sliding connection in movable groove has branch, the one end that movable groove was kept away from to branch welds on the top inner wall that leads to the groove.

Preferably, each clamping plate is provided with a threaded hole, the clamping plates are movably connected with the connecting grooves, and the threaded holes are movably connected with the threaded rods.

Preferably, a limiting groove is formed in the wall of the right side shell of the first arc-shaped plate, a limiting strip is welded on the outer wall of the left side of the second arc-shaped plate, and the limiting strip is movably connected with the limiting groove.

Compared with the prior art, the technical scheme of the utility model has the following beneficial technical effects:

make this device when assembling the front fork to the bicycle through the combination of installation frame main part, first arc, second arc, riser, lead screw, connecting plate, fly leaf, movable rod, fixed establishment, cassette, branch, threaded rod, fixed plate, cardboard and spacing isotructure, can be quick dismantle the head pipe, replace the fixed pattern of traditional head pipe, the convenient assembly to the bicycle front fork alleviates staff's burden.

Drawings

Fig. 1 is a schematic structural view of a bicycle frame head tube according to the present invention.

Fig. 2 is a schematic perspective view of a movable plate and a movable rod of a bicycle frame head tube according to the present invention.

Fig. 3 is a schematic structural view of a fixing mechanism of a bicycle frame head tube according to the present invention.

Reference numerals: 1. a frame main body; 2. a first arc-shaped plate; 3. a second arc-shaped plate; 4. a riser; 5. a screw rod; 6. a connecting plate; 7. a movable plate; 8. a movable rod; 9. a fixing mechanism; 91. a card holder; 92. a strut; 93. a threaded rod; 10. a fixing plate; 11. clamping a plate; 12. and (5) a limiting strip.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

As shown in fig. 1-3, the bicycle frame head tube provided by the utility model comprises a frame main body 1, a first arc-shaped plate 2 is welded at the right end of the frame main body 1, a second arc-shaped plate 3 is movably connected at the right side of the first arc-shaped plate 2, a vertical pipe 4 is arranged between the first arc-shaped plate 2 and the second arc-shaped plate 3, a lead screw 5 is rotatably connected on the outer wall of the left side of the first arc-shaped plate 2, a connecting plate 6 is movably connected on the lead screw 5, movable plates 7 are welded at both ends of the right side of the connecting plate 6, a plurality of movable rods 8 are rotatably connected on the right side of each movable plate 7, a fixing mechanism 9 positioned on the first arc-shaped plate 2 is arranged on the right side of each movable rod 8, a plurality of fixed plates 10 are welded on the outer walls of the front side and the back side of the second arc-shaped plate 3, and a clamping plate 11 is welded at one end of each fixed plate 10 far away from the second arc-shaped plate 3.

In an alternative embodiment, a slotted hole is formed in the middle shell wall of the connecting plate 6, a threaded sleeve is arranged inside the slotted hole, and the threaded sleeve is movably connected with the screw rod 5.

In an alternative embodiment, each fixing mechanism 9 includes a clamping seat 91, a supporting rod 92 and a threaded rod 93, a connecting groove is formed in each clamping seat 91, a through groove located on the clamping seat 91 is formed in the left side of the connecting groove, the threaded rod 93 is movably connected inside each through groove, and the left side of the threaded rod 93 is fixedly connected to the movable rod 8.

In an alternative embodiment, the outer surface of each movable rod 8 is provided with a movable groove, the inner part of the movable groove is slidably connected with a supporting rod 92, and one end of the supporting rod 92 far away from the movable groove is welded on the inner wall of the top of the through groove.

In an optional embodiment, each clamping plate 11 is provided with a threaded hole, the clamping plate 11 is movably connected with the connecting groove, and the threaded hole is movably connected with the threaded rod 93.

In an optional embodiment, a limiting groove is formed on the right side shell wall of the first arc-shaped plate 2, a limiting strip 12 is welded on the left side outer wall of the second arc-shaped plate 3, and the limiting strip 12 is movably connected with the limiting groove.

The working principle is as follows: when the bicycle is maintained, drive connecting plate 6 through rotatory lead screw 5 and carry out the left movement, thereby make fly leaf 7 carry out the left movement, and then make movable rod 8 move along with the left movement of fly leaf 7, movable rod 8 carries out the rotary motion to the motion of fly leaf 7 under branch 92 is spacing, and then drive threaded rod 93 and move, the cancellation is spacing to cardboard 11, when connecting plate 6 removes furthest, upwards jack up second arc 3, and then make first arc 2 and second arc 3 cancel connection, the convenience is dismantled standpipe 4, and then improve the staff and dismantle the front fork and the handle of bicycle, and the work efficiency is improved.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

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 one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A bicycle frame head pipe comprises a frame main body (1) and is characterized in that a first arc plate (2) is welded at the right end of the frame main body (1), a second arc plate (3) is movably connected to the right side of the first arc plate (2), a vertical pipe (4) is arranged between the first arc plate (2) and the second arc plate (3), a lead screw (5) is rotatably connected to the outer wall of the left side of the first arc plate (2), a connecting plate (6) is movably connected to the lead screw (5), movable plates (7) are welded at two ends of the right side of the connecting plate (6), a plurality of movable rods (8) are rotatably connected to the right side of each movable rod (7), a fixing mechanism (9) located on the first arc plate (2) is arranged on the right side of each movable rod (8), a plurality of fixing plates (10) are welded on the front side and the outer wall of the back side of the second arc plate (3), and a clamping plate (11) is welded at one end of the fixing plate (10) far away from the second arc-shaped plate (3).

2. The bicycle frame head tube according to claim 1, wherein the connecting plate (6) has a slotted hole in the middle wall, and a threaded sleeve is disposed inside the slotted hole, and the threaded sleeve is movably connected with the screw rod (5).

3. The bicycle frame head tube as claimed in claim 1, wherein each fixing mechanism (9) comprises a clamping seat (91), a supporting rod (92) and a threaded rod (93), each clamping seat (91) is provided with a connecting groove, a through groove located on the clamping seat (91) is formed in the left side of the connecting groove, the threaded rod (93) is movably connected inside each through groove, and the left side of the threaded rod (93) is fixedly connected to the movable rod (8).

4. A bicycle frame head tube according to claim 3, characterized in that the outer surface of each movable rod (8) is provided with a movable groove, and the inside of the movable groove is slidably connected with a support rod (92), and one end of the support rod (92) far away from the movable groove is welded on the inner wall of the top of the through groove.

5. A bicycle frame head tube according to claim 4, characterised in that each clamping plate (11) is provided with a threaded hole, the clamping plates (11) are movably connected with the connecting grooves, and the threaded holes are movably connected with the threaded rods (93).

6. The bicycle frame head pipe according to claim 1, wherein a limiting groove is formed on the right side shell wall of the first arc-shaped plate (2), a limiting strip (12) is welded on the left side outer wall of the second arc-shaped plate (3), and the limiting strip (12) is movably connected with the limiting groove.