Frame of a bicycle for cargo transportation and a bicycle for cargo transportation
The cargo bicycle frame design addresses the limitations of conventional cargo bicycles by providing a flexible, safe, and aesthetically pleasing loading area, enhancing operational ease and loading capacity.
Patent Information
- Application Number
- JP2024004284U
- Authority / Receiving Office
- JP · JP
- Patent Type
- Utility models
- Current Assignee / Owner
- Priority Date
- 2023-12-28
- Filing Date
- 2024-12-20
- Publication Date
- 2025-06-18
- Estimated Expiration
- 2034-12-20
AI Technical Summary
Conventional bicycles for cargo transportation, particularly front-type models, face limitations in loading area flexibility, safety, and aesthetics, while also having restricted manual operation and limited loading capacity.
A frame design for a cargo bicycle that includes a handle tube, saddle tube, front frame, front fork bracket, lateral bracket, lower frame, and longitudinal bracket, allowing for an extended, deformable, and enlarged cargo loading area, enhancing safety, operation, and aesthetics.
The frame design provides a low center of gravity, easy operation, increased loading capacity, and improved visibility of loaded cargo, while also enhancing the aesthetic appeal of the cargo bicycle.
Smart Images
Figure 0003251665000001_ABST
Abstract
Description
Technical Field
[0001] This application relates to the technical field of bicycles for cargo transportation, and particularly to the frame of a bicycle for cargo transportation and a bicycle for cargo transportation.
Background Art
[0002] A bicycle for cargo transportation is a specially designed bicycle that can be used to transport goods or carry people. Its design concept is to solve the problem of short-distance cargo transportation in cities. With the progress of urbanization, the traffic congestion problem in cities has become increasingly prominent, and traditional transportation methods can no longer meet the demand. On the other hand, a bicycle for cargo transportation has become an ideal solution because of its characteristics such as being able to flexibly adapt to traffic conditions and being easy to handle.
[0003] Conventional bicycles for cargo transportation are classified into front-type bicycles for cargo transportation and rear-type bicycles for cargo transportation according to the position of the loading area (loading space, loading part). Among them, the front-type bicycle for cargo transportation is the current mainstream and is preferred by many users. However, there are many restrictions on the loading area, including restrictions on manual operation and safety on the bicycle, and it is not very aesthetically pleasing in terms of appearance.
Summary of the Invention
[0004] In view of this, embodiments of the present application provide a frame for a cargo bicycle and a cargo bicycle, which provide a cargo loading area for the cargo bicycle that can be extended, deformed, and enlarged, and can meet requirements such as low center of gravity, easy operation, large loading capacity, and the ability to visually monitor the loaded person / cargo, and moreover, provide a frame for a cargo bicycle and a cargo bicycle that are more aesthetically pleasing. The frame includes a handle tube for supporting a handle, a saddle tube for connecting a saddle, a front frame having a rear end connected to the handle tube for supporting a passenger or luggage on the bicycle, a front fork bracket extending upward and connected to the front frame, a lateral bracket for connecting the handle tube and the saddle tube, a lower frame for supporting the luggage on the bicycle, and a longitudinal bracket for connecting the lower frame to the front frame and / or the front fork bracket. Here, the rear end of the lower frame is connected to the end of the saddle tube, and the front end of the lower frame is connected to the front frame and / or the front fork bracket via the longitudinal bracket.
[0005] In some embodiments, the front frame is square.
[0006] In some embodiments, the front frame includes a first bracket located in the front half of the front frame, and the front fork bracket extends upward and is connected to the middle of the first bracket.
[0007] In some embodiments, the longitudinal bracket is connected to the middle of the first bracket.
[0008] In some embodiments, the front frame, the lateral bracket, the rear bracket, and the lower frame are substantially parallel in a horizontal plane.
[0009] In some embodiments, the front frame, the lateral bracket, and the rear bracket are located on substantially the same horizontal plane.
[0010] In some embodiments, the handle tube is connected to the front frame at a first connection portion, the saddle tube is connected to the rear bracket at a second connection portion, and the lateral bracket is connected to the first connection portion and the second connection portion.
[0011] In some embodiments, the first connection portion is located at the end of the handle tube.
[0012] In some embodiments, the first connection portion is located in an intermediate segment of the handle tube, and the handle tube extends downward and is connected to the lower frame.
[0013] In some embodiments, a clearance space is provided between the vertical bracket and the front wheel of the cargo bicycle.
[0014] In some embodiments, the inclination angle between the front frame and the horizontal plane is 3° or less.
[0015] In some embodiments, the front frame is made of a sleeve, and the cross-sectional area of the sleeve is 12 cm 2 or more.
[0016] In some embodiments, the bracket further includes a rear bracket for supporting a passenger or cargo carried on the bicycle.
[0017] The embodiments of the present application further provide a cargo bicycle. The cargo bicycle includes the frame in the above embodiments, a front wheel connected to the front fork bracket, a rear fork bracket connected to the rear wheel and extending upward to be connected to the saddle tube, a pedal portion connected to the lower frame, and a cable linkage member for interlocking the handle and the front wheel.
[0018] In some embodiments, the rear fork bracket further extends upward through the saddle tube and is connected to the transverse bracket, or is connected to the transverse bracket and the handle tube.
[0019] In some embodiments, the front frame consists of a sleeve, and the cable linkage is routed through the inside of the sleeve of the front frame.
[0020] In some embodiments, the handle tube passes through the front frame and extends downward to be connected to the lower frame, and the cable linkage is routed through the inside of the lower frame and the handle tube.
[0021] The frame of the bicycle for cargo transportation and the bicycle for cargo transportation provided by the embodiments of the present application adopt a simple design of two types of loading areas, namely the front frame and the lower frame, having one more loading area than the conventional bicycle for cargo transportation, increasing the loading space of the bicycle for cargo transportation, and enabling the user to flexibly use the front frame and / or the lower frame to transport cargo.
Brief Description of the Drawings
[0022] One or more embodiments are illustrated by corresponding drawings, but these illustrative descriptions do not limit the embodiments. Elements having the same reference numerals in the figures represent similar elements, and unless otherwise specified, the figures in the drawings do not limit the dimensions, dimensional ratios, etc. of each part.
[0023]
Figure 1
Figure 2
Figure 3
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Figure 5
Figure 6
Embodiments for Carrying out the Invention
[0024] In order to make the above objects, features, and advantages of the present invention clearer and easier to understand, the specific embodiments of the present invention will be described in detail below in conjunction with the drawings. In order to fully understand the present invention, a lot of specific details are described in the following description. However, the present invention can be implemented in many other forms different from those described herein, and those skilled in the art can make similar improvements under circumstances not contrary to the meaning of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.
[0025] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by terms such as "center", "longitudinal direction", "lateral direction", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial direction", "radial direction", "circumferential direction", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the purpose of easily and simply explaining the present invention, and does not indicate or imply that the shown device or component must have a specific orientation, be configured, and operated in a specific orientation. Therefore, it should not be understood as a limitation to the present invention.
[0026] Note that terms such as "first" and "second" are for explanatory purposes only and should not be understood as indicating relative importance, suggesting relative importance, or implicitly indicating the number of technical features shown. Thus, features limited by "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, unless specifically and clearly limited, "a plurality" means at least two, for example, two, three, etc.
[0027] In the present invention, unless specifically and clearly defined and limited, terms such as "attachment", "connection", "connection", "fixation", etc. should be understood in a broad sense. For example, they may be fixedly connected, removably connected or integrated, may be mechanical connections, may be electrical connections, and unless specifically and clearly limited, may be direct connections or indirect connections through an intermediate medium, or may be internal communication between the two elements or the interaction relationship between the two elements. Those skilled in the art can understand the specific meaning of the above terms in the present invention according to specific situations.
[0028] In the present invention, unless specifically and clearly defined and limited, the fact that the first feature is "above" or "below" the second feature may mean that the first and second features are in direct contact or that the first and second features are in indirect contact through an intermediate medium. And the fact that the first feature is "above", "above" and "upper surface" of the second feature may only indicate that the first feature is directly above or obliquely above the second feature, or that the horizontal height of the first feature is higher than that of the second feature. The fact that the first feature is "below", "below" and "lower surface" of the second feature may only indicate that the first feature is directly below or obliquely below the second feature, or that the horizontal height of the first feature is lower than that of the second feature.
[0029] It should be noted that when an element is referred to as being "fixed" or "installed" on another element, it may be directly on the other element or there may be intermediate elements. When an element is considered to be "connected" to another element, it may be directly connected to the other element or there may be intermediate elements present at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in this specification are for illustrative purposes only and do not represent the only embodiments.
[0030] Generally, a bicycle frame is used to support loads disposed at the front and / or rear of the bicycle or disposed between the front and rear of the bicycle. In some embodiments, the bicycle frame includes a lateral bracket that connects a rear bracket of the bicycle to a handlebar tube of the bicycle via a saddle tube of the bicycle. The lateral bracket reduces lateral movement, such as sway, of the rear bracket of the bicycle. The bicycle frame further includes a front fork assembly for supporting the front load of the bicycle frame.
[0031] In addition to the structural improvements described herein, in some embodiments, the bicycle frame includes attachment points or attachment contacts for facilitating connection or attachment of a plurality of different components or accessories to the electric bicycle. By providing attachment points or attachment contacts for accommodating various accessories, the bicycle frame can be easily configured to accommodate various uses (e.g., carrying luggage, carrying people) and various styles of riders.
[0032] Although a cargo bicycle is described herein, in some embodiments, the bicycle frame described herein can be configured or used for other bicycles or two-wheel vehicles such as non-electric cargo bicycles, electric cargo bicycles, etc. Although a two-wheel cargo transportation bicycle is described herein, in some embodiments, the two-wheel frame described herein may be configured using a fork bracket or the like for a tricycle or other types of multi-wheel vehicles, or may be reasonably improved.
[0033] Next, various embodiments of a cargo-carrying bicycle and / or a bicycle frame will be described. The following description provides specific details for fully understanding and describing these embodiments. However, those skilled in the art will understand that these embodiments can be implemented without these details. Also, some well-known structures or functions may not be shown or described in detail so that the relevant description of each embodiment is not unnecessarily blurred. The terms used in the following description are intended to be described in the broadest and most reasonable way, even when used in connection with the detailed description of a particular embodiment.
[0034] Unless otherwise specified, "front" / "front end" in the following embodiments generally refers to the direction in which the vehicle travels forward, and "rear" / "rear end" refers to the opposite direction.
[0035] FIG. 1 and FIG. 3 are schematic structural diagrams of a cargo-carrying bicycle including a bicycle frame provided according to an embodiment of the present application. As shown in FIG. 1, the bicycle frame includes a handlebar tube 11 for supporting a handlebar, a saddle tube 12 for connecting a saddle, a front frame 13 having a rear end connected to the handlebar tube 11 and for supporting a passenger or luggage on the bicycle, a front fork bracket 14 extending upward and connected to the front frame 13, a lateral bracket 16 for connecting the handlebar tube 11 and the saddle tube 12, a lower frame 17 for supporting luggage on the bicycle, and a longitudinal bracket 18 for connecting the lower frame 17 to the front frame 13 and / or the front fork bracket 14. Here, the rear end of the lower frame 17 is connected to the end of the saddle tube 12, and the front end of the lower frame 17 is connected to the front frame 13 via the longitudinal bracket 18.
[0036] Here, the front end or the front part of the front frame 13 is connected to the front fork bracket 14, the rear end is connected to the handle tube 11, and a first cargo loading area can be formed in front of the front frame 13 and the handle tube 11 and above the front fork bracket 14. When the user uses the first cargo loading area to load cargo, it should be understood that some components can be used to make the cargo more stable. Also, the lower frame 17 is located below the front frame 13, the front end thereof is connected to one end of the vertical bracket 18, the other end of the vertical bracket 18 is connected to the front frame 13, and / or above the front fork bracket 14 and below the front frame 13 and the lower frame 17 form a second cargo loading area. With the simple and aesthetically pleasing design of the bicycle frame, the first and second cargo loading areas are installed at the front end of the cargo transport bicycle, increasing the cargo loading space of the cargo transport bicycle and enabling the user to transport cargo by utilizing the front frame and / or the lower frame.
[0037] It should be understood that the embodiments of the present application do not specifically limit the specific shape, structure, cross-sectional area, etc. of the front frame 13 and the lower frame 17. For example, the front frame 13 may be square, elliptical, etc., and the lower frame 17 may be a solid frame or a mesh frame, etc.
[0038] In some embodiments, the bicycle frame further includes a rear bracket 15 for supporting a passenger or cargo carried on the bicycle.
[0039] In some embodiments, the front frame 13 may be square, which can make the cargo transport bicycle look more aesthetically pleasing and simple.
[0040] In some embodiments, as shown in FIG. 3, the front frame 13 includes a first bracket 131 located at the front half of the front frame 13. To ensure the stability and balance of the front end of the cargo bicycle, the front fork bracket 14 extends upward and is connected to the middle part of the first bracket 131.
[0041] Furthermore, the longitudinal bracket 18 is also connected to the middle part of the first bracket 131. At this time, the longitudinal bracket 18, the first bracket 131, and the front fork bracket 14 are all connected to the middle part of the first bracket 131. Thereby, the overall structure of the cargo bicycle becomes simpler and more aesthetic, and also stronger in terms of connection.
[0042] It should be understood that one end of the longitudinal bracket 18 may be connected to the front end of the lower bracket 17, and the other end may be connected to the front frame 13, or may be connected to the front fork bracket 14, or may be connected to both the front frame 13 and the front fork bracket 14 simultaneously. The embodiments of the present application are not limited thereto, and the number of longitudinal brackets 18 is not specifically limited either.
[0043] Furthermore, in order for the longitudinal bracket 18 not to affect the normal operation of the front wheel 21 of the cargo bicycle 10, a clearance space is provided between the longitudinal bracket 18 and the front wheel 21 of the cargo bicycle 10. Specifically, when the longitudinal bracket 18 faces the front wheel 21, the longitudinal bracket 18 forms a bent shape or a bent ring shape to achieve a clearance with the front wheel 21. When the longitudinal bracket 18 does not face the front wheel 21, the longitudinal bracket 18 is uniformly installed on both sides of the front wheel 21 to achieve a clearance with the front wheel 21 and ensure the stability of the cargo bicycle frame.
[0044] In some embodiments, the front frame 13, the lateral bracket 16, the rear bracket 15, and the lower frame 17 are substantially parallel in the horizontal plane, and such a design ensures that the balance and stability of the vehicle body can be well guaranteed when the user uses the cargo bicycle.
[0045] Furthermore, the front frame 13, the lateral bracket 16, and the rear bracket 15 are located in substantially the same horizontal plane, and such a design can make the cargo bicycle look more concise and aesthetic.
[0046] In some embodiments, as shown in FIG. 3, the handle tube 11 and the front frame 13 are connected to the first connection portion 161, the saddle tube 12 and the rear bracket 15 are connected to the second connection portion 162, and the lateral bracket 16 is connected to the first connection portion 161 and the second connection portion 162.
[0047] Furthermore, the front frame 13, the lateral bracket 16, and the rear bracket 15 form an integral middle frame. The first connection portion 161 is the connection site between the handle tube 11 and the middle frame, and the second connection portion 162 is the connection site between the saddle tube 12 and the middle frame. Such a design can make the cargo bicycle structurally stronger and more stable. It should be understood that the embodiments of the present application do not specifically limit the connection methods between the above-mentioned components.
[0048] As shown in FIGS. 1, 3, and 4, in some embodiments, the first connection portion is located at the end of the handle tube 11, that is, the handle tube 11 does not penetrate below the front frame 13.
[0049] As shown in FIGS. 2 and 5, in some embodiments, the first connection portion is located in the middle segment of the handle tube 11, and the handle tube 11 extends downward and is connected to the lower frame 17.
[0050] In some embodiments, the inclination angle between the front frame 13 and the horizontal plane is 3° or less, thereby ensuring the stability of the front frame when loading goods.
[0051] In some embodiments, the front frame 13 is composed of a sleeve. The shape and structure of the sleeve are not limited in this application. The front frame 13 is the main support part of the bicycle for cargo transportation, and the cross-sectional area of the tube of the sleeve used for the front frame 13 is 12 cm 2 or more.
[0052] As shown in FIGS. 1 to 5, the embodiments of the present application further provide a bicycle 10 for cargo transportation. The bicycle 10 for cargo transportation includes any one of the frames in any one of the above embodiments, a front wheel 21 connected to the front fork bracket 14, a rear fork bracket 22 connected to the rear wheel 23 and extending upward to be connected to the saddle tube 12, a footrest part 24 connected to the lower frame 17, and a cable linkage member (not shown) for interlocking the handle 25 and the front wheel 21.
[0053] Here, the cable linkage part can be wired through the front frame 13 and / or the lower frame 17, thereby making the whole bicycle for cargo transportation more aesthetic. Also, since the cable is not affected by the external environment, the steering of the bicycle becomes easier. The embodiments of the present application do not specifically limit the specific wiring of the cable linkage part and the cable linkage method.
[0054] In some embodiments, as shown in FIGS. 4 to 5, the rear fork bracket 22 further extends upward, penetrates the saddle tube 12, and is connected to the lateral bracket 16. Of course, as shown in FIGS. 1 to 3, the rear fork bracket 22 further extends upward, penetrates the lateral bracket 16, and is connected to the handle tube 11, and may also be connected to the saddle tube 12, the lateral bracket 16, and the handle tube 11.
[0055] In some embodiments, the front frame 13 is composed of a sleeve, and the cable linkage part is wired through the inside of the sleeve of the front frame 13. With such a design, the cable for cable linkage can be installed inside the sleeve of the front frame 13, making the entire cargo transport bicycle more aesthetically pleasing. Also, since the cable is not affected by the external environment, the steering of the bicycle becomes easier.
[0056] In some embodiments, the handle tube 11 penetrates through the front frame 13 and extends downward to be connected to the lower frame 17, and the cable linkage part is wired through the inside of the lower frame 17 and the handle tube 11. With such a design, the cable for cable linkage can be installed inside the lower frame 17 and the handle tube 11, making the entire cargo transport bicycle more aesthetically pleasing. Also, since the cable is not affected by the external environment, the steering of the bicycle becomes easier.
[0057] FIG. 6 is a schematic diagram of a cargo transport bicycle according to any one of the embodiments provided by the present application when loading cargo using one loading area. In this case, the front frame can also load cargo simultaneously as another loading area. It should be understood that FIG. 6 only schematically illustrates, and the loading of the cargo transport bicycle is not specifically limited.
[0058] The cargo transport bicycle in the embodiments of the present application designs a simple and aesthetically pleasing bicycle frame, installs a first cargo loading area and a second cargo loading area at the front end of the cargo transport bicycle, increases the cargo loading space of the cargo transport bicycle, and enables the user to utilize the front frame and / or the lower frame to transport cargo.
[0059] The above has further described the present application in more detail by way of specific / preferred embodiments, and it is not recognized that the specific implementation of the present application is limited to these descriptions. For those skilled in the art, several further modifications and improvements can be made on the premise of not departing from the concept of the present application, and all of them belong to the protection scope of the present application.
Explanation of Reference Numerals
[0060] 10. Bicycle for cargo transportation, 11. Handle tube, 12. Saddle tube, 13. Front frame, 14. Front fork bracket, 15. Rear bracket, 16. Lateral bracket, 17. Lower frame, 18. Vertical bracket 131. First bracket, 161. First connection part, 162. Second connection part 21. Front wheel, 22. Rear fork bracket, 23. Rear wheel, 24. Pedal part, 25. Handle
Claims
1. A frame for a cargo bicycle, comprising: A handle tube supporting the handle; A saddle tube that connects the saddle; a front frame having a rear end connected to the handle tube and configured to support a passenger or luggage carried on the bicycle; a front fork bracket extending upward and connected to the front frame; a lateral bracket connecting the handle tube and the saddle tube; A lower frame that supports the luggage carried on the bicycle, a vertical bracket that connects the lower frame to the front frame and / or the front fork bracket, A frame for a cargo transport bicycle, characterized in that the rear end of the lower frame is connected to the end of the saddle tube, and the front end of the lower frame is connected to the front frame and / or the front fork bracket via a vertical bracket.
2. 2. The frame of claim 1, wherein the front frame is rectangular.
3. The front frame is 2. The frame according to claim 1, further comprising a first bracket located at a front half of the front frame, the front fork bracket extending upward and connected to a middle portion of the first bracket.
4. 4. The frame of claim 3, wherein said longitudinal bracket is connected to a middle portion of said first bracket.
5. 2. The frame of claim 1, wherein the front frame, the lateral bracket, the rear bracket and the lower frame are substantially parallel in a horizontal plane.
6. 6. The frame of claim 5, wherein said front frame, said lateral bracket and said rear bracket lie on substantially the same horizontal plane.
7. 7. The frame of claim 6, wherein the handle tube and the front frame are connected to a first connection, the saddle tube and the rear bracket are connected to a second connection, and the lateral bracket is connected to the first connection and the second connection.
8. 7. The frame of claim 6, wherein said first connection is located at a distal end of said handle tube.
9. 7. The frame of claim 6, wherein the first connection is located at a middle segment of the handle tube, the handle tube extending downwardly to connect to the lower frame.
10. 2. The frame according to claim 1, wherein a clearance space is provided between the longitudinal bracket and the front wheel of the cargo bicycle.
11. 2. The frame according to claim 1, wherein the inclination angle between the front frame and a horizontal plane is 3[deg.] or less.
12. The front frame is made of a sleeve, and the cross-sectional area of the sleeve is 12 cm 2 2. The frame according to claim 1, wherein the above is true.
13. 2. The frame of claim 1, wherein the bracket further comprises a rear bracket for supporting a passenger or luggage on the bicycle.
14. A cargo transport bicycle, A frame according to any one of claims 1 to 13; A front wheel connected to the front fork bracket; The rear wheel and a rear fork bracket connected to the rear wheel, extending upward and connected to the saddle tube; A footrest connected to the lower frame; and a cable linkage member linking the handlebars and the front wheel.
15. 15. The cargo transport bicycle of claim 14, wherein the rear fork bracket further extends upwardly through the saddle tube and is connected to the lateral bracket or is connected to the lateral bracket and the handle tube.
16. 15. The cargo transport bicycle according to claim 14, wherein the front frame is made of a sleeve, and the cable linking portion is routed through the inside of the sleeve of the front frame.
17. 15. The cargo transport bicycle according to claim 14, wherein the handle tube passes through the front frame, extends downward and is connected to the lower frame, and the cable linkage is routed through the inside of the lower frame and the handle tube.