CN213199994U - Lightweight frame structure - Google Patents

Abstract

The utility model discloses a lightweight frame structure, including the riser, riser outer wall one side fixedly connected with top tube, riser one end fixedly connected with low tube is kept away from to the top tube, low tube and riser fixed connection, top tube and the hollow post of low tube connection end fixedly connected with, the low tube is opened with the riser connection end has the pedal hole, the riser outer peripheral face is kept away from and is gone up the fork behind top tube one side fixedly connected with, the riser outer peripheral face is kept away from down behind low tube one side fixedly connected with. The utility model discloses an upper tube is the arc and with riser and low tube fixed connection, has improved the bearing capacity of this frame, is the carbon fiber component through this frame simultaneously for when this frame light in weight, still have higher intensity, can install on the frame at any time through the back seat, make this frame can change at two kinds of forms, warn the rear vehicle through the flasher simultaneously, optimized the structure of frame, reduce whole car total weight.

Description

Lightweight frame structure

Technical Field

The utility model relates to a bicycle frame technical field, concretely relates to lightweight frame structure.

Background

The frame is used as the framework of the whole bicycle, the correctness and the comfortableness of the riding posture are determined and influenced to the greatest extent, the frame material is developed from the earliest chromium-molybdenum steel to aluminum alloy, then composite materials are applied, such as carbon fibers, and other scandium alloy, magnesium alloy, titanium alloy and the like, and manufacturers continuously research and develop new material formulas, improve the pipe fitting and structural design capacity and innovate the processing technology, and only aim to ensure that the frame is lighter, stronger, more comfortable and more streamline and beautiful.

But its when in actual use, the main technical problem who exists is that the frame is integration usually, or the saddle just fixed mounting is good when producing, or does not have the saddle, can not select whether to install according to user's demand by oneself, and the structural requirement of frame needs the optimization simultaneously.

Therefore, it is necessary to provide a lightweight frame structure to solve the above problems.

The above information disclosed in this background section is only for enhancement of understanding of the background of the disclosure and therefore it may contain information that does not constitute prior art that is already known to a person of ordinary skill in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a lightweight frame structure can install on the frame through the back seat at any time for this frame can change at two kinds of forms, with the above-mentioned weak point in the solution technique.

In order to achieve the above object, the present invention provides the following technical solutions: a lightweight frame structure comprises a vertical pipe, wherein an upper pipe is fixedly connected to one side of the outer wall of the vertical pipe, a lower pipe is fixedly connected to one end of the upper pipe, which is far away from the vertical pipe, the lower pipe is fixedly connected with the vertical pipe, a hollow column is fixedly connected to the connecting end of the upper pipe and the lower pipe, a pedal hole is formed in the connecting end of the lower pipe and the vertical pipe, a rear upper fork is fixedly connected to one side of the outer peripheral surface of the vertical pipe, which is far away from the upper pipe, a rear lower fork is fixedly connected to one end of the outer peripheral surface of the vertical pipe, a first through hole penetrates through the inner part of the rear upper fork, a second through hole is formed in the inner part of the rear lower fork, a rear wheel placing hole is formed in one end of the rear lower fork, which is far away from the vertical pipe, a supporting leg is slidably connected to the top, the supporting leg is run through in the second through-hole, the cylinder has been run through to first through-hole inside, first through-hole and cylinder sliding connection, cylinder one end fixedly connected with hexagonal head, the cylinder other end is opened there is the external screw thread, hexagonal head one end threaded connection is kept away from to the cylinder has first nut, the inside sliding connection of second through-hole has the bolt, the bolt runs through the second through-hole, the bolt runs through second through-hole one end threaded connection has the second nut.

Preferably, a cup placing device is fixedly connected to one side, far away from the lower pipe, of the peripheral surface of the upper pipe.

Preferably, one side of the rear seat, which is far away from the vertical pipe, is fixedly connected with a flasher.

Preferably, the supporting leg is internally provided with a through hole.

Preferably, the number of the rear upper forks and the number of the rear lower forks are two, and the two rear upper forks and the two rear lower forks are symmetrically distributed on one side of the peripheral surface of the vertical pipe.

Preferably, the stand pipe, the upper pipe, the lower pipe rear upper fork, the rear lower fork, the supporting leg, the positioning rod and the rear seat are all carbon fiber components.

Preferably, the number of the supporting legs is two, and the two supporting legs are symmetrically distributed at the tops of the two lower back forks.

In the technical scheme, the utility model provides a technological effect and advantage:

through the top tube for the arc and with riser and low tube fixed connection, improved the bearing capacity of this frame, be the carbon fiber component through this frame simultaneously for when this frame light in weight, still have higher intensity, can install on the frame at any time through the back seat, make this frame can change at two kinds of forms, warn the rear vehicle through the flasher simultaneously, optimized the structure of frame, reduce whole car total weight.

Drawings

For a clearer explanation of the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used 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 application, and it is obvious for those skilled in the art to obtain other drawings according to these drawings.

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a first view of the frame portion of the present invention;

FIG. 3 is a second view of the frame portion of the present invention;

fig. 4 is a cross-sectional view of the lower tube of the present invention.

Description of reference numerals:

1. a riser; 2. feeding a pipe; 3. a lower pipe; 4. a hollow column; 5. pedaling a hole; 6. a rear upper fork; 7. a rear lower fork; 8. a first through hole; 9. a second through hole; 11. supporting legs; 12. a cylinder; 13. a hexagonal head; 14. a first nut; 15. a bolt; 16. a second nut; 17. a cup placing device; 18. a flasher; 19. a rear seat; 20. and (5) positioning the rod.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these example embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted.

Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more example embodiments. In the following description, numerous specific details are provided to give a thorough understanding of example embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the subject matter of the present disclosure can be practiced without one or more of the specific details, or with other methods, components, steps, and so forth. In other instances, well-known structures, methods, implementations, or operations are not shown or described in detail to avoid obscuring aspects of the disclosure.

The utility model provides a light frame structure as shown in figures 1-4, which comprises a vertical pipe 1, an upper pipe 2 is fixedly connected on one side of the outer wall of the vertical pipe 1, one end of the upper pipe 2 far away from the vertical pipe 1 is fixedly connected with a lower pipe 3, the lower pipe 3 is fixedly connected with the vertical pipe 1, the connecting end of the upper pipe 2 and the lower pipe 3 is fixedly connected with a hollow column 4, the connecting end of the lower pipe 3 and the vertical pipe 1 is provided with a pedal hole 5, one side of the outer peripheral surface of the vertical pipe 1 far away from the upper pipe 2 is fixedly connected with a rear upper fork 6, one side of the outer peripheral surface of the vertical pipe 1 far away from the lower pipe 3 is fixedly connected with a rear lower fork 7, one end of the rear upper fork 6 far away from the vertical pipe 1 is fixedly connected with a rear lower fork 7, a first through hole 8 penetrates through the interior of the rear upper fork 6, a second through hole 9 is arranged in the interior of, 11 top fixedly connected with back seat 19 of supporting leg, 19 outer wall one side fixedly connected with locating lever 20 of back seat, first through-hole 8 runs through locating lever 20, second through-hole 9 runs through supporting leg 11, the inside cylinder 12 that has run through of first through-hole 8, first through-hole 8 and cylinder 12 sliding connection, 12 one end fixedly connected with hexagonal heads 13 of cylinder, the cylinder 12 other end is opened there is the external screw thread, cylinder 12 is kept away from hexagonal heads 13 one end threaded connection and is had first nut 14, the inside sliding connection of second through-hole 9 has bolt 15, bolt 15 runs through second through-hole 9, bolt 15 runs through 9 one end threaded connection of second through-hole has second nut 16.

Furthermore, in the above technical solution, a cup placing device 17 is fixedly connected to one side of the outer peripheral surface of the upper tube 2, which is far away from the lower tube 3, and drinking water or a cup can be placed into the cup placing device 17 through the cup placing device 17.

Further, in the above technical solution, a flasher 18 is fixedly connected to a side of the rear seat 19 away from the seat tube 1, and the flasher 18 can warn a vehicle behind.

Furthermore, in the above technical solution, the supporting leg 11 is provided with a through hole inside, the volume of the supporting leg 11 is reduced through the through hole, the weight of the bicycle is reduced, and meanwhile, the supporting leg 11 has strong supporting capability.

Further, in the above technical solution, the number of the rear upper forks 6 and the number of the rear lower forks 7 are two, the two rear upper forks 6 and the two rear lower forks 7 are symmetrically distributed on one side of the outer peripheral surface of the vertical pipe 1, and the rear wheel is positioned by the two rear upper forks 6 and the two rear lower forks 7.

Further, in the above technical scheme, riser 1, upper tube 2, 3 back upper forks 6 of low back fork 7, supporting leg 11, locating lever 20 and back seat 19 are carbon fiber component, and through riser 1, upper tube 2, 3 back upper forks 6 of low back fork 7, supporting leg 11, locating lever 20 and back seat 19 be carbon fiber component for this bicycle has higher intensity when light in weight.

Furthermore, in the above technical solution, the number of the support legs 11 is two, the two support legs 11 are symmetrically distributed at the tops of the two lower back forks 7, and the two support legs 11 are used for fixedly supporting the rear seat 19.

The implementation mode is specifically as follows: when the rear seat 19 needs to be installed, the supporting leg 11 is inserted on the rear lower fork 7, then the bolt 15 is inserted into the second through hole 9, then the second nut 16 is screwed on to complete the positioning of the supporting leg 11 on the rear lower fork 7, then the cylinder 12 is inserted into the first through hole 8, then the first nut 14 is screwed on the cylinder 12 to complete the fixation of the positioning rod 20 on the rear upper fork 6, and finally the installation of the rear seat 19 is completed, the frame is in an arc shape through the upper pipe 2 and is fixedly connected with the vertical pipe 1 and the lower pipe 3, the bearing capacity of the frame is improved, meanwhile, the frame is a carbon fiber component, the frame is light in weight and simultaneously has higher strength, the frame can be installed on the frame at any time through the rear seat 19, the frame can change in two forms, meanwhile, the flasher 18 gives a warning to the rear vehicle, and the structure of the frame is optimized, the total weight of the whole vehicle is reduced, and the embodiment specifically solves the problems that the vehicle frame in the prior art is usually integrated, or the vehicle seat is fixedly installed during production, or the vehicle seat does not exist, whether installation is carried out or not can not be selected according to the requirements of users, and meanwhile the structure of the vehicle frame needs to be optimized.

This practical theory of operation:

referring to the attached drawings 1-4 of the specification, when a rear seat 19 needs to be installed, a supporting leg 11 is inserted into a rear lower fork 7, a bolt 15 is inserted into a second through hole 9, a second nut 16 is screwed on the bolt to complete the positioning of the supporting leg 11 on the rear lower fork 7, a cylinder 12 is inserted into a first through hole 8, a first nut 14 is screwed on the cylinder 12 to complete the fixing of a positioning rod 20 on a rear upper fork 6, and finally the installation of the rear seat 19 is completed.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a lightweight frame structure, includes riser (1), its characterized in that: an upper pipe (2) is fixedly connected to one side of the outer wall of the vertical pipe (1), one end, far away from the vertical pipe (1), of the upper pipe (2) is fixedly connected with a lower pipe (3), the lower pipe (3) is fixedly connected with the vertical pipe (1), the connecting end, far away from the vertical pipe (1), of the upper pipe (2) is fixedly connected with a hollow column (4), the connecting end, far away from the vertical pipe (3), of the lower pipe (3) is provided with a pedal hole (5), the outer peripheral surface of the vertical pipe (1) is fixedly connected with a rear upper fork (6), one side, far away from the lower pipe (3), of the outer peripheral surface of the vertical pipe (1) is fixedly connected with a rear lower fork (7), one end, far away from the vertical pipe (1), of the rear upper fork (6) is fixedly connected with a rear lower fork (7), a first through hole (8) penetrates through the inner part of the rear upper fork (6), a second through hole (9) is formed in the, the top of the rear lower fork (7) is connected with a supporting leg (11) in a sliding way, the top of the supporting leg (11) is fixedly connected with a rear seat (19), a positioning rod (20) is fixedly connected with one side of the outer wall of the rear seat (19), the first through hole (8) penetrates through the positioning rod (20), the second through hole (9) penetrates through the supporting leg (11), a cylinder (12) penetrates through the first through hole (8), the first through hole (8) is connected with a cylinder (12) in a sliding way, one end of the cylinder (12) is fixedly connected with a hexagonal head (13), the other end of the cylinder (12) is provided with an external thread, one end of the cylinder (12) far away from the hexagonal head (13) is connected with a first nut (14) in a threaded manner, a bolt (15) is connected in the second through hole (9) in a sliding way, the bolt (15) penetrates through the second through hole (9), and a second nut (16) is connected with one end of the bolt (15) penetrating through the second through hole (9) in a threaded manner.

2. The lightweight frame structure according to claim 1, characterized in that: one side of the peripheral surface of the upper pipe (2), which is far away from the lower pipe (3), is fixedly connected with a cup placing device (17).

3. The lightweight frame structure according to claim 1, characterized in that: one side of the rear seat (19) far away from the vertical pipe (1) is fixedly connected with a flasher (18).

4. The lightweight frame structure according to claim 1, characterized in that: the supporting leg (11) is internally provided with a through hole.

5. The lightweight frame structure according to claim 1, characterized in that: the number of the rear upper forks (6) and the number of the rear lower forks (7) are respectively set to be two, and the two rear upper forks (6) and the two rear lower forks (7) are symmetrically distributed on one side of the peripheral surface of the vertical pipe (1).

6. The lightweight frame structure according to claim 1, characterized in that: the vertical pipe (1), the upper pipe (2), the lower pipe (3), the rear upper fork (6), the rear lower fork (7), the supporting legs (11), the positioning rods (20) and the rear seat (19) are all carbon fiber components.

7. The lightweight frame structure according to claim 1, characterized in that: the number of the supporting legs (11) is two, and the two supporting legs (11) are symmetrically distributed at the tops of the two rear lower forks (7).

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