CN218929686U

CN218929686U - Portable detachable high-strength bicycle frame

Info

Publication number: CN218929686U
Application number: CN202221420307.3U
Authority: CN
Inventors: 朱秉煜; 陈双明; 杨健; 王文锋; 宋伦
Original assignee: Jiangsu Fengzhui Automobile Industry Co ltd
Current assignee: Jiangsu Fengzhui Automobile Industry Co ltd
Priority date: 2022-06-08
Filing date: 2022-06-08
Publication date: 2023-04-28
Anticipated expiration: 2032-06-08

Abstract

The utility model discloses a portable detachable high-strength bicycle frame, which comprises a bearing tube, wherein a head tube is arranged on one side of the bearing tube, a rear lower fork is arranged on the other side of the bearing tube, a first seat tube is fixedly connected to the top of the bearing tube, a lower tube is fixedly connected between the bearing tube and the head tube, an upper tube is arranged at the top of the lower tube, one end of the upper tube is fixedly connected with the head tube, a limiting sleeve is fixedly connected to the other end of the upper tube, a damping mechanism is arranged between the limiting sleeve and the first seat tube, and a rear upper fork is arranged at the top of the rear lower fork. According to the utility model, the buffer mechanism is arranged, when the vehicle body is impacted, the first seat tube can transmit impact force to the elastic sheet through the fixing sleeve, and the impact can be absorbed to a certain extent through the deformation of the elastic sheet, so that the impact born by the first seat tube can be reduced, and the impact of a seat part connected with the first seat tube can be reduced, thereby being beneficial to improving the comfort of the device in use.

Description

Portable detachable high-strength bicycle frame

Technical Field

The utility model relates to the field of bicycle frames, in particular to a portable detachable high-strength bicycle frame.

Background

Since the first bicycle in the world has been known for more than 200 years, the earliest bicycle was invented by French schiff Rake at the end of the 18 th century, the bicycle is a land vehicle which is driven by manpower and has two wheels, commonly called a free car, a bicycle or a bicycle, riding is a pleasant and healthy travel mode at present advocating green travel, and is especially popular, but the bicycle frame determines the quality of a bicycle by selecting a bicycle suitable for oneself is not easy, so the good bicycle frame is especially important.

Existing bicycle frames on the market are generally integrally arranged, and the seat tube part of the bicycle frame is generally not detachable and lacks buffering parts, so that the overall comfort of the bicycle frame is not high enough when the bicycle frame is used.

Therefore, it is necessary to invent a portable detachable high-strength bicycle frame to solve the above problems.

Disclosure of Invention

The utility model aims to provide a portable detachable high-strength bicycle frame, by arranging a buffer mechanism, when a bicycle body is impacted, a first seat tube can transmit impact force to an elastic sheet through a fixing sleeve, and the impact can be absorbed to a certain extent through deformation of the elastic sheet, so that the impact born by the first seat tube can be reduced, and further the impact of a seat part can be reduced, thereby being beneficial to improving the comfort of the device in use and solving the defects in the technology.

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a portable detachable high strength bicycle frame, includes the bearing tube, bearing tube one side is equipped with first pipe, bearing tube opposite side is equipped with the back fork down, bearing tube top fixedly connected with first seat pipe, fixedly connected with down the pipe between bearing tube and the first pipe, down the pipe top is equipped with the pipe, go up pipe one end and first pipe fixed connection, go up pipe other end fixedly connected with stop collar, be equipped with damper between stop collar and the first seat pipe, the back fork top is equipped with the back fork down, be equipped with buffer gear between back fork and the back fork down.

Preferably, the damping mechanism comprises a second seat tube and a fixed sleeve, the second seat tube is inserted and arranged inside the limiting sleeve, the number of the fixed sleeves is two, an elastic sheet is arranged between the two fixed sleeves, two ends of the elastic sheet are respectively and fixedly connected with the two fixed sleeves, the number of the elastic sheet is two, the two elastic sheets are symmetrically distributed about the center line of the fixed sleeves, the section shape of the elastic sheet is C-shaped, one of the section shapes of the elastic sheet is arranged outside the first seat tube in a sleeved mode, and the other one of the section shapes of the elastic sheet is arranged outside the second seat tube in a sleeved mode.

Preferably, one side of the rear lower fork is fixedly connected with a connecting sleeve, the connecting sleeve is rotationally connected with a bearing tube, a hook claw is arranged between the rear lower fork and the rear upper fork, one end of the hook claw is hinged with the rear lower fork, the other end of the hook claw is hinged with the rear upper fork, and the number of the hook claws is two.

Preferably, the buffer gear includes the buffer rod, buffer rod one end articulates and is provided with the connecting block, connecting block top and last pipe fixed connection, the buffer rod is kept away from the one end and the back of connecting block and is gone up fork fixed connection.

Preferably, a supporting spring is arranged between the two elastic sheets, and two ends of the supporting spring are fixedly connected with the two fixing sleeves respectively.

Preferably, the surface of the second seat tube is provided with two positioning grooves, and the two positioning grooves are symmetrically distributed about the center line of the second seat tube.

In the technical scheme, the utility model has the technical effects and advantages that:

1. by arranging the buffer mechanism, when the vehicle body is impacted, the first seat tube can transmit the impact force to the elastic sheet through the fixing sleeve, and the impact can be absorbed to a certain extent through the deformation of the elastic sheet, so that the impact born by the first seat tube can be reduced, the impact of a seat part can be reduced, and the comfort of the device in use can be improved;

2. through setting up buffer gear, the impact force of front wheel can pass through the one end that goes up the pipe and transmit the buffer pole when the device received the impact, and the impact force of rear wheel can pass through the rear hook claw and go up the fork simultaneously and transmit the other end to the buffer pole to can absorb the impact force that the frame received through the buffer pole, and then be favorable to improving the external force that the frame can bear, and then be favorable to improving the bulk strength of device.

Drawings

In order to more clearly illustrate the embodiments of the present application 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 described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of a buffer mechanism according to the present utility model;

FIG. 3 is a schematic view of a shock absorbing mechanism according to the present utility model;

fig. 4 is an enlarged view of the structure of the portion a of fig. 1 according to the present utility model.

Reference numerals illustrate:

1. a bearing tube; 2. a head pipe; 3. a rear lower fork; 4. a first seat tube; 5. a lower pipe; 6. an upper pipe; 7. a limit sleeve; 8. a rear fork; 9. a second seat tube; 10. a fixed sleeve; 11. an elastic sheet; 12. connecting sleeves; 13. a hook claw; 14. a buffer rod; 15. a connecting block; 16. a support spring; 17. and a positioning groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a portable detachable high-strength bicycle frame as shown in fig. 1-4, which comprises a bearing tube 1, wherein one side of the bearing tube 1 is provided with a head tube 2, the other side of the bearing tube 1 is provided with a rear lower fork 3, the top of the bearing tube 1 is fixedly connected with a first seat tube 4, a lower tube 5 is fixedly connected between the bearing tube 1 and the head tube 2, the top of the lower tube 5 is provided with an upper tube 6, one end of the upper tube 6 is fixedly connected with the head tube 2, the other end of the upper tube 6 is fixedly connected with a limiting sleeve 7, a damping mechanism is arranged between the limiting sleeve 7 and the first seat tube 4, the top of the rear lower fork 3 is provided with a rear upper fork 8, and a buffer mechanism is arranged between the rear lower fork 3 and the rear upper fork 8.

Further, in the above-mentioned technical scheme, damper includes second seat pipe 9 and fixed cover 10 in the structure, second seat pipe 9 pegging graft in the structure sets up in stop collar 7 inside, fixed cover 10 quantity is established to two in the structure, be equipped with elastic piece 11 between two fixed covers 10, elastic piece 11 both ends respectively with two fixed cover 10 fixed connection in the structure, elastic piece 11 quantity is established to two in the structure, two elastic pieces 11 are about fixed cover 10 central line symmetric distribution, elastic piece 11 cross-section shape is established to the C shape in the structure, one of them fixed cover 10 cup joints and sets up in first seat pipe 4 outside, another fixed cover 10 cup joints and sets up in second seat pipe 9 outside, can be spacing to second seat pipe 9 through stop collar 7, thereby can make second seat pipe 9 prolong stop collar 7 and slide, simultaneously, be fixed through the bolt between second seat pipe 9 bottom and the fixed cover 10, thereby can conveniently dismantle second seat pipe 9 thereby change second seat pipe 9, simultaneously when the automobile body receives the impact, first seat pipe 4 can pass through fixed cover 10 and go on elastic piece 11, can reduce the impact deformation through the seat pipe 11 to the impact device is so that the seat can be reduced to the impact, thereby the comfort is improved.

Further, in the above technical scheme, in the structure, one side of the lower rear fork 3 is fixedly connected with a connecting sleeve 12, in the structure, the connecting sleeve 12 is rotationally connected with the bearing tube 1, a hook claw 13 is arranged between the lower rear fork 3 and the upper rear fork 8, one end of the hook claw 13 in the structure is hinged with the lower rear fork 3, the other end of the hook claw 13 in the structure is hinged with the upper rear fork 8, and the number of the hook claws 13 in the structure is two.

Further, in the above-mentioned technical scheme, buffer gear includes buffer rod 14 in the structure, buffer rod 14 one end articulates and is provided with connecting block 15 in the structure, connecting block 15 top and last tub 6 fixed connection in the structure, the buffer rod 14 is kept away from the one end and the back of connecting block 15 and is gone up fork 8 fixed connection, the impact force of front wheel can pass through last tub 6 and transmit to the one end of buffer rod 14 when the device receives the impact, the impact force of rear wheel can pass through the back and collude claw 13 and the back is gone up the other end of fork 8 and transmit to buffer rod 14 simultaneously to can absorb the impact force that the frame received through buffer rod 14, thereby be favorable to improving the external force that the frame can bear, and then be favorable to improving the bulk strength of device.

Further, in the above technical scheme, the supporting springs 16 are arranged between the two elastic sheets 11 in the structure, two ends of each supporting spring 16 in the structure are fixedly connected with the two fixing sleeves 10 respectively, and the two fixing sleeves 10 can be supported by arranging the supporting springs 16, so that the elastic sheets 11 can be prevented from being deformed in a non-restorable manner due to continuous stress, and the service life of the device is prolonged.

Furthermore, in the above technical scheme, the positioning grooves 17 are formed in the surface of the second seat tube 9 in the structure, the number of the positioning grooves 17 in the structure is two, the two positioning grooves 17 are symmetrically distributed about the center line of the second seat tube 9, and the positioning grooves 17 are arranged so as to limit the seat part sleeved on the outer side of the second seat tube 9, thereby avoiding the seat part from being inclined after being installed.

The working principle of the utility model is as follows:

referring to the attached drawings 1-4 of the specification, when the device is used, the second seat tube 9 can be limited through the limiting sleeve 7, so that the second seat tube 9 can slide along the limiting sleeve 7, meanwhile, the bottom of the second seat tube 9 and the fixed sleeve 10 are fixed through bolts, so that the second seat tube 9 can be conveniently disassembled, the second seat tube 9 is replaced, meanwhile, when a vehicle body is impacted, the first seat tube 4 can transmit impact force to the elastic sheet 11 through the fixed sleeve 10, and the impact can be absorbed to a certain extent through deformation of the elastic sheet 11, so that the impact born by the first seat tube 4 can be reduced, and further, the impact of a seat part can be reduced, thereby being beneficial to improving the comfort of the device in use;

referring to the attached drawings 1-4 of the specification, when the device is used, the impact force of the front wheel can be transmitted to one end of the buffer rod 14 through the upper pipe 6 when the device receives impact, and the impact force of the rear wheel can be transmitted to the other end of the buffer rod 14 through the rear hook claw 13 and the rear upper fork 8, so that the impact force born by the frame can be absorbed through the buffer rod 14, the external force born by the frame can be improved, and the integral strength of the device can be improved.

Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the details are not described.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a portable detachable high strength bicycle rack, includes bearing tube (1), its characterized in that: bearing tube (1) one side is equipped with first pipe (2), bearing tube (1) opposite side is equipped with back down fork (3), bearing tube (1) top fixedly connected with first seat pipe (4), fixedly connected with down between bearing tube (1) and the first pipe (2) pipe (5), down pipe (5) top is equipped with pipe (6), go up pipe (6) one end and first pipe (2) fixed connection, go up pipe (6) other end fixedly connected with stop collar (7), be equipped with damper between stop collar (7) and first seat pipe (4), back down fork (3) top is equipped with back up fork (8), be equipped with buffer gear between back down fork (3) and back up fork (8).

2. A portable and detachable high strength bicycle rack as claimed in claim 1, wherein: the damping mechanism comprises a second seat tube (9) and a fixing sleeve (10), wherein the second seat tube (9) is inserted into the limiting sleeve (7), the number of the fixing sleeves (10) is two, an elastic sheet (11) is arranged between the fixing sleeves (10), two ends of the elastic sheet (11) are respectively fixedly connected with the two fixing sleeves (10), the number of the elastic sheet (11) is two, the two elastic sheets (11) are symmetrically distributed about the center line of the fixing sleeve (10), the section shape of the elastic sheet (11) is C-shaped, one of the section shapes of the elastic sheet (11) is sleeved outside the first seat tube (4), and the other one of the fixing sleeves (10) is sleeved outside the second seat tube (9).

3. A portable and detachable high strength bicycle rack as claimed in claim 1, wherein: the utility model discloses a rear fork, including back fork (3), connecting sleeve (12) and bearing tube (1) rotate to be connected, are equipped with between back fork (3) and back fork (8) and collude claw (13), collude claw (13) one end and back fork (3) articulated setting down, collude claw (13) other end and back fork (8) articulated setting down, collude claw (13) quantity and establish into two.

4. A portable and detachable high strength bicycle rack as claimed in claim 1, wherein: the buffer mechanism comprises a buffer rod (14), a connecting block (15) is hinged to one end of the buffer rod (14), the top of the connecting block (15) is fixedly connected with the upper pipe (6), and one end, far away from the connecting block (15), of the buffer rod (14) is fixedly connected with the rear upper fork (8).

5. A portable and detachable high strength bicycle rack as claimed in claim 2, wherein: a supporting spring (16) is arranged between the two elastic sheets (11), and two ends of the supporting spring (16) are fixedly connected with the two fixing sleeves (10) respectively.

6. A portable and detachable high strength bicycle rack as claimed in claim 2, wherein: positioning grooves (17) are formed in the surface of the second seat tube (9), the number of the positioning grooves (17) is two, and the two positioning grooves (17) are symmetrically distributed about the center line of the second seat tube (9).