TWM595616U - Bicycle and frame structure thereof - Google Patents

Abstract

The present invention provides a bicycle frame structure, which is used to connect to a power unit and to install an accessory. The bicycle frame structure includes a tube, a support frame, a head tube, and a tube. The support frame is connected to the seat tube and used to Supporting the power unit, the pipe is connected between the support frame and the head pipe, at least one of the support frame and the head pipe includes an integrally formed extension part, the extension part is located on a surface of the pipe part to form a stepped area with the surface, and the stepped area is provided for Accessories installation. In this way, through the structural configuration in which the extension part is integrally formed with one of the support frame and the head tube, the bicycle frame structure can have structural strength.

Description

Bicycle and its frame structure

The present invention relates to a bicycle and its frame structure, and particularly to a bicycle and its frame structure that can be installed with accessories.

In recent years, environmental protection and sports have prevailed, and the usage rate of bicycles has also increased significantly. However, in general bicycles, humans step on the pedals to drive the bicycle forward, and it may happen that the physical load on the uphill section is more difficult.

Therefore, some manufacturers have developed electric bicycles, which are equipped with a motor to provide power, so that the rider can drive the bicycle without pedaling, and the rider can choose to use the human pedaling method or the motor drive according to the road conditions. As a source of power for bicycles. However, the motor of the electric bicycle needs to be powered by the battery. In order to form the battery installation space in the down tube, the battery installation recess must be formed by cutting or recessing, which is likely to cause the problem of insufficient strength of the frame.

In addition, even if it is not an electric bicycle, general free bikes will also have the need for accessories, such as installing batteries, kettles, locks, or pumps. Therefore, how to maintain the structural strength of the bicycle frame while forming an assembly space, Become the goal of related industry efforts.

The present invention provides a bicycle and its frame structure. Through the structural configuration, an assembly space can be formed on the bicycle frame and the structural strength of the bicycle frame can be maintained.

According to an embodiment of one aspect of the present invention, a bicycle frame structure is provided, which is used to connect to a power unit and install an accessory. The bicycle frame structure includes a tube, a support frame, a head tube, and a tube, The support frame is connected to the seat tube and is used to support the power unit. The tube is connected between the support frame and the head tube. At least one of the support frame and the head tube includes an integrally formed extension portion. The extension portion is located on a surface of the tube element A segment is formed on the surface, and the segment is provided for fittings.

Thereby, because the extension has a step difference with the surface of the tube, a stepped area can be formed for fitting installation, and because the extension is integrally formed with at least one of the support frame and the head tube, the bicycle frame structure can have structural strength.

According to the aforementioned multiple embodiments of the bicycle frame structure, the accessory may have a battery structure, a kettle structure, a car lock structure or a pump structure.

According to the aforementioned plural embodiments of the bicycle frame structure, wherein the surface may face upward.

According to the foregoing multiple embodiments of the bicycle frame structure, wherein the extension portion can extend outward from a body of the support frame, the accessory has a battery structure, and the support frame includes a socket in the extension portion for insertion of an accessory.

According to the aforementioned multiple embodiments of the bicycle frame structure, wherein the head tube may include a protrusion on the surface of the tube, and the fitting is located between the extension and the protrusion.

According to another embodiment of one aspect of the present invention, a bicycle is provided, which includes a power unit, a tube, a support frame, a head tube, and a tube. The support frame is connected to the seat tube and supports the power unit. The tube is located Between the support frame and the head tube, at least one of the support frame and the head tube includes an integrally formed extension portion. The extension portion is located on a surface of the pipe to form a stepped area with the surface, and the stepped area is for installation of a fitting.

According to the aforementioned plural embodiments of the bicycle, wherein the surface may face upward.

According to the aforementioned plural embodiments of the bicycle, wherein the two ends of the tube can be welded to the support frame and the head tube, respectively.

According to the aforementioned plural embodiments of the bicycle, wherein the extension portion can extend outward from a body of the support frame, the accessory has a battery structure, and the support frame includes a socket in the extension portion for insertion of the accessory.

According to the aforementioned multiple embodiments of the bicycle, wherein the head tube may include a protrusion on the surface of the tube, and the fitting is located between the extension and the protrusion.

10‧‧‧Bike frame structure

200‧‧‧ Seatpost

300‧‧‧Support

310‧‧‧Extension

320‧‧‧Body

330‧‧‧Socket

340‧‧‧Installation Department

400‧‧‧Head tube

410‧‧‧Erecting Department

420‧‧‧Projection

430‧‧‧fitting assembly

500‧‧‧Pipe fittings

510‧‧‧Surface

600‧‧‧fork

20‧‧‧bicycle

200a‧‧‧seat

300a‧‧‧support frame

310a‧‧‧Extension

400a‧‧‧Head tube

500a‧‧‧pipe fittings

700a‧‧‧Power unit

B1‧‧‧Accessories

S1‧‧‧Differential zone

FIG. 1 is a schematic perspective view of a bicycle frame structure according to an embodiment of the present invention with an accessory installed;

FIG. 2 is a three-dimensional schematic diagram of the bicycle frame structure and accessories separated from the embodiment of FIG. 1;

FIG. 3 is an exploded schematic view of the bicycle frame structure and accessories of the embodiment of FIG. 1; and

FIG. 4 is a perspective view of a bicycle according to another embodiment of the present invention with an accessory installed.

The embodiments of the present invention will be described below with reference to the drawings. For clarity, many practical details will be explained in the following description. However, readers should understand that these practical details should not be used to limit the novelty. That is to say, in some embodiments of the present invention, these practical details are not necessary. In addition, for the sake of simplifying the drawings, some conventional structures and elements will be shown in a simple schematic manner in the drawings; and the repeated elements may be indicated by the same number or similar number.

In addition, in this document, when an element (or mechanism or module, etc.) is “connected”, “set” or “coupled” to another element, it may mean that the element is directly connected, directly set or directly coupled to another element It can also mean that an element is indirectly connected, indirectly arranged, or indirectly coupled to another element, meaning that there are other elements between the element and the other element. However, when it is explicitly stated that a certain element is "directly connected", "directly set" or "directly coupled" to another element, it means that no other element is interposed between the element and the other element. The first, second, and third terms are only used to describe different elements or components, and there is no restriction on the elements/components themselves. Therefore, the first element/component can also be renamed It is the second element/component. In addition, the combination of components/components/mechanisms/modules in this article is not a generally known, conventional or conventional combination in this field, and it is impossible to determine whether the combination relationship is based on whether the components/components/mechanisms/modules themselves are known It is easily completed by those with ordinary knowledge in the technical field.

Please refer to FIGS. 1 and 2, wherein FIG. 1 shows a perspective schematic view of a bicycle frame structure 10 according to an embodiment of the present invention with an accessory B1 installed, and FIG. 2 shows a bicycle according to the embodiment of FIG. 1. A schematic perspective view of the separation of the frame structure 10 and the accessory B1. The bicycle frame structure 10 is used to connect to a power unit (not shown in FIGS. 1 and 2) and is provided for fitting B1. The bicycle frame structure 10 includes a tube 200, a support frame 300, and a head tube 400 And a tube 500, the support frame 300 is connected to the seat tube 200 and used to support the power unit, the tube 500 is connected between the support frame 300 and the head tube 400, at least one of the support frame 300 and the head tube 400 includes one of the integral molding The extension portion 310 is located on a surface 510 of the tube 500 to form a stepped area S1 with the surface 510. The stepped area S1 is provided for the fitting B1 to install.

Thereby, since the extension 310 and the surface 510 of the tube 500 have a step difference, a stepped area S1 can be formed for the fitting B1 to install, and since the extension 310 is integrally formed with at least one of the support frame 300 and the head tube 400, it can be The bicycle frame structure 10 has structural strength. The details of the bicycle frame structure 10 will be described later.

In the embodiments of FIGS. 1 and 2, the bicycle frame structure 10 may further include a rear fork 600. The rear fork 600 is connected to the seat tube 200 and the support frame 300, and the structure of the seat tube 200 and the rear fork 600 is Conventional knowledge is not the focus of this new type of improvement, and will not be repeated here.

The support frame 300 can be used to replace the conventional five-way tube, which can be installed for the power unit. In one embodiment, the power unit may include two pedals for the user to step on. In another embodiment, the power unit may further include a motor. Drive wheels, this new model is not limited to this.

Please refer to FIG. 3, wherein FIG. 3 illustrates an exploded schematic view of the bicycle frame structure 10 and accessory B1 of the embodiment of FIG. As shown in FIG. 3, the extension portion 310 extends outward from a body 320 of the support frame 300. During the manufacturing process, the support frame 300 may be stamped and formed from a metal material, so that the body 320 and the extension portion 310 can be integrally formed. The supporting frame 300 may further include a mounting portion 340 having an arc-shaped structure, a part of the mounting portion 340 is fixed below the body 320, and another part protrudes from the body 320 for the assembly of the tube 500. Therefore, when the tube 500 is connected to the mounting portion 340, the extension 310 extends to the surface 510 of the tube 500 due to the shape and positional relationship. Since the height of the extension 310 is higher than the surface 510, the stepped region S1 ( (See Figure 2).

In the embodiments of FIGS. 1 to 3, the surface 510 may face upward, that is, the surface 510 refers to the side of the tube 500 facing upward, and the stepped region S1 located above may be formed. The cross-section of the tube 500 may be semicircular, so that the upward-facing surface 510 has a planar structure for the fitting B1 to be stably installed. However, in other embodiments, the cross-sectional shape of the tube may be round or square, and the surface may face the side, and a stepped region located on the side may be formed. In addition, the two ends of the pipe fitting can be welded to the support frame and the head pipe respectively, and the pipe fitting can be welded to the extension portion and the mounting portion of the support frame at the same time, which can further increase the structural strength.

The head tube 400 may include a protrusion 420 located on the surface 510 of the tube 500, and the fitting B1 may be located between the extension 310 and the protrusion 420. In detail, the head tube 400 includes a protruding portion 420 and an upright portion 410. The upright portion 410 has a hollow tube structure for insertion of a standpipe, the protruding portion 420 is welded to the upright portion 410, and the protruding portion 420 The projection direction of is approximately parallel to the tube 500, and can be projected onto the surface 510 when the tube 500 is fixed to the upright portion 410. In this case, the stepped area S1 is surrounded by the surface 510, the extension portion 310, and the protruding portion 420, so when the accessory B1 is installed in the stepped area S1, it can be located between the extension portion 310 and the protruding portion 420.

The head tube 400 may further include a fitting component 430 connected to the protruding portion 420 and located on the surface 510. The fitting component 430 may be used for fitting the accessory B1.

In the embodiments of FIGS. 1 to 3, the accessory B1 has a battery structure, so the support frame 300 may further include a socket 330 in the extension portion 310 for the accessory B1 to be inserted. In this case, the socket 330 can be protected by the extension 310 to avoid collision damage. In other embodiments, the accessory may have a kettle structure, a car lock structure or an inflator structure, and elements or mechanisms corresponding to the above structures may be provided in the extension portion, but the present invention is not limited thereto.

Please refer to FIG. 4, wherein FIG. 4 is a perspective view of a bicycle 20 installed with an accessory B1 according to another embodiment of the present invention. The bicycle 20 includes a power unit 700a, a tube 200a, a support frame 300a, a head tube 400a and a tube 500a. The support frame 300a is connected to the seat tube 200a and used to support the power unit 700a. The tube 500a is located on the support frame 300a and the head tube Between 400a, at least one of the support frame 300a and the head tube 400a includes an integrally formed extension 310a, which is located on a surface (not marked) of the tube 500a to form a stepped area (not marked) with the surface. The area is for the installation of an accessory B1. Seat tube 200a, support frame 300a, head tube 400a and pipe fitting 500a The structure is the same as the embodiment in FIGS. 1 to 3, and will not be described in detail. In the embodiment shown in FIG. 4, the accessory B1 has a battery structure, the power unit 700a includes a motor (not shown), and the accessory B1 is electrically connected to the motor to provide motor power.

Although the present invention has been disclosed as above with examples, it is not intended to limit the present invention. Anyone who is familiar with this art can make various changes and retouching without departing from the spirit and scope of the present invention, so the protection of the present invention The scope shall be as defined in the appended patent application scope.

10‧‧‧Bike frame structure

200‧‧‧ Seatpost

300‧‧‧Support

310‧‧‧Extension

420‧‧‧Projection

500‧‧‧Pipe fittings

510‧‧‧Surface

600‧‧‧fork

320‧‧‧Body

400‧‧‧Head tube

410‧‧‧Erecting Department

B1‧‧‧Accessories

S1‧‧‧Differential zone

Claims (10)

A bicycle frame structure for connecting to a power unit and for installing an accessory. The bicycle frame structure includes: A tube A support frame connected to the seat tube and used to support the power unit; A tube; and A pipe piece is connected between the support frame and the head pipe, at least one of the support frame and the head pipe includes an integrally formed extension portion, the extension portion is located on a surface of the pipe element to form a gap with the surface Zone, the step zone is for the installation of the accessory. The bicycle frame structure as described in item 1 of the patent application scope, wherein the accessory has a battery structure, a kettle structure, a car lock structure or a pump structure. The bicycle frame structure as described in item 1 of the patent application scope, wherein the surface faces upward. The bicycle frame structure as described in item 1 of the patent application scope, wherein the extension portion extends outward from a body of the support frame, the accessory has a battery structure, and the support frame includes a socket located in the extension portion to For the insertion of this accessory. The bicycle frame structure as described in item 4 of the patent application scope, wherein the head tube includes a protruding portion located on the surface of the tube, and the fitting is located between the extending portion and the protruding portion. A bicycle containing: A power unit; A tube A support frame connected to the seat tube and used to support the power unit; A tube; and A tube is located between the support frame and the head tube, at least one of the support frame and the head tube includes an integrally formed extension portion, the extension portion is located on a surface of the tube element to form a gap with the surface , The step area is for a fitting installation. The bicycle as described in item 6 of the patent application, wherein the surface faces upward. The bicycle as described in item 6 of the patent application scope, wherein the two ends of the tube are welded to the support frame and the head tube, respectively. The bicycle as described in item 6 of the patent application scope, wherein the extension portion extends outward from a body of the support frame, and the accessory has In a battery structure, the support frame includes a socket located in the extension portion for inserting the accessory. The bicycle as described in item 9 of the patent application range, wherein the head tube includes a protrusion located on the surface of the tube, and the fitting is located between the extension and the protrusion.

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