High-strength light-weight bicycle triangular frame

Abstract

The utility model relates to the technical field of bicycle accessories, in particular to a high-strength light-weight bicycle triangular frame which comprises a front wheel and a lower fork frame used for fixing the front wheel, a top sleeve seat is installed on the top of the lower fork frame, and a handlebar inserting column is coaxially connected to the top of the top sleeve seat. Due to the fact that the two sets of parallel reinforcing transverse frames and the multiple sets of reinforcing vertical rods connected with the two sets of reinforcing transverse frames are arranged on the top of the lower fork frame, the structure of the lower fork frame is more stable, larger pressure and impact force can be borne, and the overall strength of the frame is improved; a high-strength light-weight titanium alloy inner core in the lower fork frame ensures the strength of the bicycle frame and reduces the weight of the bicycle frame at the same time, so that the bicycle is more convenient to ride and carry; the anti-collision shell on the outer wall of the titanium alloy inner core can play a protection role when the bicycle is collided, and damage to the frame is reduced; and the wear-resistant layer on the inner side of the titanium alloy inner core increases the wear resistance of the lower fork frame and prolongs the service life of the frame.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of bicycle accessories, in particular to high -strength light -weight bicycle triangular frame. BACKGROUND

[0002] The front wheel triangular frame is an important part of the bicycle, and its design and technical level are directly related to the stability, safety and riding experience of the bicycle. With the progress of science and technology and the continuous improvement of the performance requirements of cyclists, the front wheel triangular frame technology is also constantly innovating and developing. The existing front wheel triangular frame often cannot balance strength and lightness. The traditional frame material may lead to a large weight when pursuing strength, increasing the burden of riding, and may sacrifice strength when pursuing lightness, reducing the stability and safety of the frame. The structure design of the traditional frame may be single, lacking effective reinforcing structure. SUMMARY

[0003] The utility model aims at providing high -strength light -weight bicycle triangular frame to solve the problem of the existing front wheel triangular frame in the above background technology.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] High -strength light -weight bicycle triangular frame, including front wheel and be used for fixing the lower fork of the front wheel, the top of lower fork is equipped with top sleeve seat, the top sleeve seat top coaxial connection has handlebar plug -in column;

[0006] The lower fork is inverted V-shaped, and two groups of reinforcing crosspieces are arranged on the top of the lower fork, and the two groups of reinforcing crosspieces are connected by a plurality of groups of reinforcing vertical rods.

[0007] The lower fork comprises a high-strength light-weight titanium alloy inner core, an anti-collision shell is arranged on the outer wall of the titanium alloy inner core, and a wear-resistant layer is arranged on the inner side of the titanium alloy inner core.

[0008] Preferably, the surface of the anti-collision shell is further provided with a corrosion-resistant paint layer with a thickness of 0.3-0.7mm.

[0009] Preferably, the bottom of the lower fork is provided with a bearing seat at both ends.

[0010] Preferably, a sleeve shaft is arranged between the two groups of bearing seats.

[0011] Preferably, a sleeve pipe connected with the sleeve shaft is arranged at the center of the front wheel.

[0012] As preferred, the top sleeve seat is embedded with an inner sleeve with a plug-in groove inside which is sized and plug-in fitted with the handlebar plug-in column.

[0013] As preferred, a fixing bolt is installed on the outer wall of the top sleeve seat for fixing the handlebar plug-in column.

[0014] Compared with the prior art, the high-strength and lightweight bicycle triangular frame has the following beneficial effects:

[0015] 1. In the high-strength and lightweight bicycle triangular frame, two groups of parallel reinforcing cross frames are arranged on the top of the lower fork, and a plurality of groups of reinforcing vertical rods are arranged for connecting the two groups of reinforcing cross frames, so that the structure of the lower fork is more stable and can withstand greater pressure and impact force, thereby improving the overall strength of the frame; the top sleeve seat provides a stable mounting position for the handlebar plug-in column, facilitating the installation and fixation of the handlebar; the handlebar plug-in column is convenient to connect with the handlebar, so that the rider can conveniently control the bicycle; the high-strength and lightweight titanium alloy inner core in the lower fork ensures the strength of the frame while reducing the weight of the frame, so that the bicycle is more convenient to ride and carry; the anti-collision shell on the outer wall of the titanium alloy inner core can protect the frame when the bicycle collides and reduce damage to the frame; the wear-resistant layer on the inner side of the titanium alloy inner core increases the wear resistance of the lower fork and prolongs the service life of the frame.

[0016] 2. In the high-strength and lightweight bicycle triangular frame, the surface of the anti-collision shell is further provided with a corrosion-resistant paint layer, which not only enhances the corrosion resistance of the frame and effectively resists the corrosion of moisture, salt and other corrosive substances in the external environment, but also protects the anti-collision shell from wear and tear, further prolonging the service life of the frame.

[0017] 3. In the high-strength and lightweight bicycle triangular frame, a fixing bolt is installed on the outer wall of the top sleeve seat for fixing the handlebar plug-in column, which enhances the connection strength between the handlebar plug-in column and the top sleeve seat, prevents the handlebar from shaking or falling off during riding, and improves the overall stability and safety of the frame. BRIEF DESCRIPTION OF DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, and together with the embodiments of the present application, make a further detailed explanation, but do not constitute a limitation on the present application.

[0019] Fig. 1 is a structural schematic view of the present application;

[0020] Fig. 2 is a front view structural schematic view of the present application;

[0021] Fig. 3 is a sectional view of the lower fork of the present application;

[0022] 10, lower fork; 101, titanium alloy inner core; 102, anti-collision shell; 103, wear-resistant layer; 104, anti-corrosion paint layer; 11, reinforcing cross frame; 12, reinforcing vertical rod; 13, bearing seat; 14, sleeve shaft;

[0023] 20, top sleeve seat; 21, fixed bolt; 22, inner sleeve; 23, plug-in slot;

[0024] 30, handlebar plug-in column;

[0025] 40, front wheel; 41, sleeve pipe. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be described clearly and completely in combination with the embodiments of the present application and the drawings of the specification. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0027] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "vertical", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0028] The high-strength and light-weight bicycle triangular frame, such as Figs. 1-3As shown, it comprises a front wheel 40 and a lower fork 10 for fixing the front wheel 40, the top of the lower fork 10 is provided with a top sleeve seat 20, and the top of the top sleeve seat 20 is coaxially connected with a handlebar insertion column 30; the lower fork 10 is inverted V-shaped, and the top of the lower fork 10 is provided with two groups of parallel reinforcing crossbars 11, and the two groups of reinforcing crossbars 11 are connected through a plurality of groups of reinforcing vertical rods 12; the lower fork 10 comprises a high-strength and lightweight titanium alloy inner core 101, and the outer wall of the titanium alloy inner core 101 is provided with a collision-proof shell 102, and the inner side of the titanium alloy inner core 101 is provided with a wear-resistant layer 103; by arranging two groups of parallel reinforcing crossbars 11 on the top of the lower fork 10 and a plurality of groups of reinforcing vertical rods 12 connecting the two groups of reinforcing crossbars 11, the structure of the lower fork 10 is more stable, can bear greater pressure and impact force, and the strength of the whole frame is improved; the arrangement of the top sleeve seat 20 provides a stable mounting position for the handlebar insertion column 30, facilitating the installation and fixation of the handlebar; the handlebar insertion column 30 is convenient for connection with the handlebar, so that the rider can conveniently control the bicycle; the high-strength and lightweight titanium alloy inner core 101 in the lower fork 10 ensures the strength of the frame while reducing the weight of the frame, so that the bicycle is more convenient to ride and carry; the collision-proof shell 102 on the outer wall of the titanium alloy inner core 101 can play a protective role when the bicycle collides, reducing damage to the frame; the wear-resistant layer 103 on the inner side of the titanium alloy inner core 101 increases the wear resistance of the lower fork 10 and prolongs the service life of the frame.

[0029] Further, the surface of the collision-proof shell 102 is further provided with a corrosion-resistant paint layer 104 with a thickness of 0.3-0.7mm, which not only enhances the corrosion resistance of the frame, effectively resists the corrosion of moisture, salt and other corrosive substances in the external environment, but also protects the collision-proof shell 102 from wear and tear, further prolonging the service life of the frame.

[0030] Specifically, the bottom ends of the lower fork 10 are provided with bearing seats 13, and a sleeve shaft 14 is arranged between the two groups of bearing seats 13, and the center of the front wheel 40 is provided with a sleeve pipe 41 connected with the sleeve shaft 14, so that the installation of the front wheel 40 is more stable and reliable, and through the cooperation of the bearing seat 13 and the sleeve shaft 14, the front wheel 40 can rotate smoothly, reducing friction and resistance, improving the fluency and efficiency of riding.

[0031] The top of the top sleeve seat 20 is embedded with an inner sleeve 22, and the inner sleeve 22 is provided with an insertion groove 23 with a size matched with the handlebar insertion column 30 and an insertion fit, so that the handlebar insertion column 30 can be firmly fixed on the top sleeve seat 20, ensuring the stability and safety of the handlebar.

[0032] In addition, a fixing pin 21 for fixing the handlebar connector 30 is installed on the outer wall of the top sleeve seat 20, which enhances the connection strength between the handlebar connector 30 and the top sleeve seat 20, prevents the handlebar from shaking or falling off during riding, and improves the overall stability and safety of the frame.

[0033] The working principle of this high-strength, lightweight bicycle triangle frame:

[0034] First, the front wheel 40 is mounted and fixed on the lower fork 10. The lower fork 10 has an inverted V-shaped structure, which can stably support the front wheel 40. Its high-strength and lightweight titanium alloy core 101 ensures strength while reducing weight. The outer anti-collision shell 102 can protect the frame in the event of an accidental collision, and the inner wear-resistant layer 103 can improve the durability of the lower fork 10.

[0035] Next, connect the handlebar connector 30 to the handlebar. The handlebar connector 30 is coaxially connected to the top of the top sleeve seat 20, and the top sleeve seat 20 is installed on the top of the lower fork 10 to provide stable support for the handlebar.

[0036] During riding, the two sets of parallel reinforcing crossbars 11 and several reinforcing uprights 12 at the top of the lower fork 10 further enhance the stability and strength of the frame, ensuring safe and comfortable riding.

[0037] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A high strength light weight bicycle triangle frame comprising a front wheel (40) and a down tube (10) for fixing the front wheel (40), characterized in that: The top of the lower fork (10) is provided with a top sleeve seat (20), and the top of the top sleeve seat (20) is coaxially connected with a handlebar inserting column (30); The lower fork (10) is inverted V-shaped, and the top of the lower fork (10) is provided with two groups of parallel reinforcing cross frames (11), and the two groups of reinforcing cross frames (11) are connected through a plurality of groups of reinforcing vertical rods (12); The lower fork (10) comprises a high-strength and light-weight titanium alloy inner core (101), and the outer wall of the titanium alloy inner core (101) is provided with a collision-proof shell (102), and the inner side of the titanium alloy inner core (101) is provided with a wear-resistant layer (103).

2. The high strength light weight bicycle triangle frame of claim 1, wherein: The surface of the collision-proof shell (102) is further provided with a corrosion-resistant paint layer (104) with a thickness of 0.3-0.7mm.

3. The high strength light weight bicycle triangle frame of claim 1, wherein: The bottom of the lower fork (10) is provided with a bearing seat (13) at both ends.

4. The high strength light weight bicycle triangle frame of claim 3, wherein: Two groups of bearing seats (13) are provided between the sleeve shaft (14).

5. The high strength light weight bicycle triangle frame of claim 4, wherein: The center of the front wheel (40) is provided with a sleeve connecting pipe (41) connected with the sleeve shaft (14).

6. The high strength light weight bicycle triangle frame of claim 1, wherein: The top of the top sleeve seat (20) is embedded with an inner sleeve (22), and the inner sleeve (22) is internally provided with an inserting groove (23) matched in size with the handlebar inserting column (30) and in inserting cooperation.

7. The high strength light weight bicycle triangle frame of claim 1, wherein: The outer wall of the top sleeve seat (20) is provided with a fixed bolt (21) for fixing the handlebar inserting column (30).

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