CN210555390U

CN210555390U - Multi-stage damping bicycle frame

Info

Publication number: CN210555390U
Application number: CN201921139198.6U
Authority: CN
Inventors: 谢桂宁
Original assignee: Tianjin Ruian Bicycle Co ltd
Current assignee: Tianjin Ruian Bicycle Co ltd
Priority date: 2019-07-19
Filing date: 2019-07-19
Publication date: 2020-05-19
Anticipated expiration: 2029-07-19

Abstract

The utility model discloses a multistage shock attenuation bicycle frame, including girder and auxiliary girder, girder and auxiliary girder one end outer wall all weld have same bottom confined seat section of thick bamboo, and the inner chamber of a seat section of thick bamboo inserts and is equipped with the support column that the top is the platykurtic structure, the cushion is installed at the support column top, cushion bottom outer wall one end department has the connecting rod through the screw fixation, and the connecting rod bottom articulates in support column top outer wall, cushion bottom outer wall has the spring post that the equidistance distributes through the screw fixation, and spring post bottom outer wall passes through the screw fixation in support column top outer wall, the welding of seat section of thick bamboo lateral wall top has the back vent, and two fork leg bottoms of back vent open there is the mounting groove, the mounting groove inner wall passes through the screw. The utility model discloses a two-stage buffering of first spring and second spring is realized reducing the sense of jolting of riding to the filtration of vibrations, promotes the comfort level of riding greatly, realizes the shock attenuation buffer function of cushion in addition, further improves the travelling comfort of riding.

Description

Multi-stage damping bicycle frame

Technical Field

The utility model relates to a bicycle technical field especially relates to a multistage shock attenuation bicycle frame.

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.

The center of gravity of a common bicycle is leaned on the back when the bicycle is ridden, the rear fork and the wheels of the bicycle are rigidly connected, namely, the wheels are directly installed on the rear fork through the bearings, the bicycle is very strong in bumping feeling especially on some rugged roads during the running process, the comfort is to be improved, and most cushions are also directly fixed on the frame without damping structures.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a multi-stage damping bicycle frame.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a multi-stage damping bicycle frame comprises a main beam and an auxiliary beam, wherein the outer walls of one ends of the main beam and the auxiliary beam are welded with a seat cylinder with a closed bottom end, a support column with a flat top is inserted into the inner cavity of the seat cylinder, a cushion is arranged on the top of the support column, a connecting rod is fixed at one end of the outer wall of the bottom of the cushion through a screw, the bottom end of the connecting rod is hinged with the outer wall of the top of the supporting column, spring columns which are distributed at equal intervals are fixed on the outer wall of the bottom of the cushion through screws, the outer wall of the bottom of the spring column is fixed on the outer wall of the top of the support column through screws, a rear fork is welded on the top of the side wall of the seat cylinder, and the bottom ends of the two fork legs of the rear fork are provided with mounting grooves, the inner walls of the mounting grooves are fixed with first springs through screws, and a supporting column is inserted in the mounting groove, a limiting plate is fixed on the outer wall of one end, located in the mounting groove, of the supporting column through screws, and a bottom plate is welded on the outer wall of the other end of the supporting column.

Preferably, the outer wall of the bottom of the fork leg of the rear fork is fixed with a sealing plate through a screw, a second spring is welded on the outer wall of one side of the sealing plate, the specification of the second spring is matched with the installation groove, and the top end of the second spring is in contact with the limiting plate.

Preferably, the specification of the bottom plate is matched with that of the sealing plate, a flat mounting block is welded at the bottom end of the bottom plate, and a mounting hole is formed in the center of the side wall of the mounting block.

Preferably, a threaded through hole communicated with the inner cavity is formed in the position, close to the top, of the side wall of the seat cylinder, and an adjusting bolt is screwed on the inner wall of the threaded through hole.

Preferably, the diameter of the support is smaller than the inner diameter of the mounting groove, and the side wall of the sealing plate is provided with a round hole matched with the support.

Preferably, the main beam, the auxiliary beam, the seat cylinder and the rear fork are of an integrally formed structure.

The utility model has the advantages that:

1. through the effect of first spring, second spring and pillar for the rear wheel is when the rugged road surface, and vibrations can transmit to the pillar on, and the pillar passes through limiting plate sliding connection in the back fork, and the pillar realizes the filtration to vibrations through the two-stage buffering of first spring and second spring, reduces to ride and jolts the sense, promotes the comfort level of riding greatly.

2. Through the setting of connecting rod and spring post for the cushion can be dissolved through the connecting rod rotation when producing the vibration, and the spring post provides the buffering for the cushion vibration, realizes the shock attenuation buffer function of cushion, further improves the travelling comfort of riding.

Drawings

Fig. 1 is a schematic structural view of a multi-stage damping bicycle frame according to the present invention;

FIG. 2 is a schematic cross-sectional view of a rear fork of a multi-stage shock absorbing bicycle frame according to the present invention;

fig. 3 is a partial enlarged view of fig. 2 according to the present invention.

In the figure: the device comprises a main beam 1, a secondary beam 2, a seat tube 3, a support column 4, a cushion 5, a connecting rod 6, a spring column 7, a rear fork 8, a first spring 9, a support column 10, a limiting plate 11, a second spring 12, a sealing plate 13, a bottom plate 14, a mounting block 15 and an adjusting bolt 16.

Detailed Description

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

Referring to fig. 1-3, a multi-level shock-absorbing bicycle frame comprises a main beam 1 and an auxiliary beam 2, wherein a seat cylinder 3 with a closed bottom end is welded on the outer wall of one end of each of the main beam 1 and the auxiliary beam 2, a support column 4 with a flat top is inserted into the inner cavity of the seat cylinder 3, a cushion 5 is installed on the top of the support column 4, a connecting rod 6 is fixed on one end of the outer wall of the bottom of the cushion 5 through a screw, the bottom end of the connecting rod 6 is hinged on the outer wall of the top of the support column 4, spring columns 7 distributed at equal intervals are fixed on the outer wall of the bottom of the cushion 5 through screws, the outer wall of the bottom of the spring column 7 is fixed on the outer wall of the top of the support column 4 through screws, a threaded through hole communicated with the inner cavity is formed in the position of the side wall of the seat cylinder 3 close to the top, the mounting groove is internally inserted with a supporting column 10, the outer wall of one end of the supporting column 10, which is positioned in the mounting groove, is fixed with a limiting plate 11 through screws, and the outer wall of the other end of the supporting column 10 is welded with a bottom plate 14.

The utility model discloses in, the fork leg bottom outer wall of back vent 8 has closing plate 13 through the screw fixation, closing plate 13 one side outer wall welding has second spring 12, the specification and the mounting groove looks adaptation of second spring 12, the top and the limiting plate 11 of second spring 12 contact, the specification of bottom plate 14 and closing plate 13's specification looks adaptation, the welding of 14 bottom ends of bottom plate has the installation piece 15 of platykurtic, 15 lateral wall centers departments of installation piece open there is the mounting hole, 3 lateral walls of a seat section of thick bamboo are close to top departments and open the screw thread through-hole that is linked together with the inner chamber, screw thread through-hole inner wall spiro union has adjusting bolt 16, the diameter of pillar 10 is less than the internal diameter of mounting groove, closing plate 13 lateral wall is opened the round hole with pillar 10 looks adaptation, girder 1, auxiliary girder 2, a seat section of.

The working principle is as follows: through first spring 9, the effect of second spring 12 and pillar 10, make the rear wheel when the rugged road surface, vibrations can transmit to pillar 10 on, pillar 10 passes through limiting plate 11 sliding connection in back fork 8, pillar 10 realizes the filtration to vibrations through the two-stage buffering of first spring 9 and second spring 12, reduce the sense of jolting of riding, promote the comfort level of riding greatly, through the setting of connecting rod 6 and spring post 7, make cushion 5 can change through the rotation of connecting rod 6 when producing the vibration and solve, spring post 7 provides the buffering for the vibration of cushion 5, realize the shock attenuation buffer function of cushion 5, further improve the travelling comfort.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The multi-stage damping bicycle frame comprises a main beam (1) and an auxiliary beam (2), and is characterized in that the outer walls of one end of the main beam (1) and one end of the auxiliary beam (2) are welded with a seat cylinder (3) with the same bottom end closed, a support column (4) with the top part being a flat structure is inserted into an inner cavity of the seat cylinder (3), a cushion (5) is installed at the top of the support column (4), a connecting rod (6) is fixed at one end of the outer wall at the bottom of the cushion (5) through screws, the bottom end of the connecting rod (6) is hinged to the outer wall at the top of the support column (4), spring columns (7) distributed at equal intervals are fixed on the outer wall at the bottom of the cushion (5) through screws, the outer wall at the bottom of each spring column (7) is fixed on the outer wall at the top of the support column (4) through screws, a rear fork (8, the mounting groove inner wall is fixed with first spring (9) through the screw, and the mounting groove interpolation is equipped with pillar (10), pillar (10) are located the one end outer wall in the mounting groove and pass through the screw fixation limiting plate (11), and the welding of pillar (10) other end outer wall has bottom plate (14).

2. The multi-level shock-absorbing bicycle frame as claimed in claim 1, wherein a sealing plate (13) is fixed to the outer wall of the bottom of the fork leg of the rear fork (8) through screws, a second spring (12) is welded to the outer wall of one side of the sealing plate (13), the size of the second spring (12) is matched with that of the mounting groove, and the top end of the second spring (12) is in contact with the limiting plate (11).

3. The multi-level shock-absorbing bicycle frame as claimed in claim 1, wherein the base plate (14) has a size corresponding to that of the sealing plate (13), a flat mounting block (15) is welded to the bottom end of the base plate (14), and a mounting hole is formed in the center of the side wall of the mounting block (15).

4. The multi-stage damping bicycle frame as claimed in claim 1, wherein the side wall of the seat tube (3) near the top is provided with a threaded through hole communicated with the inner cavity, and the inner wall of the threaded through hole is screwed with an adjusting bolt (16).

5. The multi-stage vibration-damping bicycle frame as claimed in claim 1, wherein the diameter of the strut (10) is smaller than the inner diameter of the mounting groove, and the side wall of the sealing plate (13) is formed with a circular hole adapted to the strut (10).

6. The multi-stage shock-absorbing bicycle frame according to claim 1, wherein the main beam (1), the sub-beam (2), the seat tube (3) and the rear fork (8) are of an integrally formed structure.