CN209870642U - Electric bicycle frame and electric bicycle - Google Patents
Electric bicycle frame and electric bicycle Download PDFInfo
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- CN209870642U CN209870642U CN201920686795.4U CN201920686795U CN209870642U CN 209870642 U CN209870642 U CN 209870642U CN 201920686795 U CN201920686795 U CN 201920686795U CN 209870642 U CN209870642 U CN 209870642U
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- frame
- electric bicycle
- rear wheel
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- seat tube
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Abstract
The utility model is suitable for an electric bicycle technical field discloses an electric bicycle frame and electric bicycle. The electric bicycle frame comprises a frame body, the front portion of the upper end of the frame body is a vertical pipe handle installation portion, the rear portion of the upper end of the frame body is a seat pipe installation portion, the rear portion of the lower end of the frame body is a rear wheel installation portion, the frame body comprises a first frame and a second frame, the first frame and the second frame are oppositely arranged and fixed through welding fixation or locking parts, one opposite side of the first frame and the opposite side of the second frame are both in an opening shape, and reinforcing ribs are formed on the inner sides of the first frame and the second frame in an integrated mode respectively. The electric bicycle is provided with the electric bicycle frame. The utility model provides an electric bicycle frame and electric bicycle, its first frame and second frame can adopt the integrative die-casting shaping of metal material respectively, and its structural strength is high, and the frame main part can heat treatment, and the product quality is good, the reliability is high, long service life.
Description
Technical Field
The utility model belongs to the technical field of electric bicycle, especially, relate to an electric bicycle frame and have electric bicycle of this electric bicycle frame.
Background
At present, the frame body of the electric bicycle is made of metal sections through welding, the structural reliability is poor, and the modeling is single.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of above-mentioned technical problem at least, provide an electric bicycle frame and electric bicycle, its product quality is good, the reliability is high, long service life.
The technical scheme of the utility model is that: the utility model provides an electric bicycle frame, includes the frame main part, the upper end front portion of frame main part is riser handle installation department, the upper end rear portion of frame main part is the seat pipe installation department, the lower extreme rear portion of frame main part is the rear wheel installation department, the frame main part includes integrative die-casting fashioned first frame and integrative die-casting fashioned second frame, first frame with the second frame is controlled to closing the setting, just first frame with it is fixed through welded fastening or retaining member between the second frame, first frame with the second frame all is the shell form, just first frame with second frame one side in opposite directions all is the opening form, first frame with the inboard of second frame integrated into one piece respectively has the strengthening rib.
Optionally, a plugging positioning structure is arranged between the first frame and the second frame.
Optionally, the inserting and positioning structure includes a first slot integrally formed on the first frame and a protruding structure integrally formed on the second frame; when the first frame and the second frame are in left-right alignment, the protruding structure is inserted into the first slot.
Optionally, the first slot and the protruding structure are both provided with a plurality of slots.
Optionally, a riser mounting cylinder is fixedly connected to or integrally formed at the riser handle mounting portion, and the riser mounting cylinder has a riser hole site for a riser to pass through.
Optionally, a seat tube mounting cylinder is fixedly connected to or integrally formed at the seat tube mounting portion, and the seat tube mounting cylinder has a seat tube hole site for the seat tube to pass through.
Optionally, a first rear wheel mounting arm is integrally connected to the first frame; the second frame is integrally connected with a second rear wheel mounting arm, and when the first frame and the second frame are in left-right alignment, the first rear wheel mounting arm and the second rear wheel mounting arm are oppositely arranged at intervals.
The utility model also provides an electric bicycle, electric bicycle has foretell electric bicycle frame.
The utility model provides an electric bicycle frame and electric bicycle, first frame and second frame are die-casting shaping respectively and control to closing the setting in its frame main part, for the shortcoming that traditional aluminium alloy welded structure is single, can realize that the product molding is changeable, reducible processing and cost of labor, first frame with closing the setting about the second frame, first frame and second frame can adopt the integrative die-casting shaping of metal material respectively, and its structural strength is high, and can shaping curved surface isotructure, with abundant molding, and assembly process is simple and easy, do benefit to reduction in production cost, first frame and second frame can carry out heat treatment process, can guarantee that there is not gas pocket, sand hole in the product inside, and the frame main part can carry out heat treatment moreover to can further strengthen the hardness and the intensity of frame main part, product quality is good, the reliability is high, the hardness of frame main part, The service life is long.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, 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 of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic perspective view of a frame of an electric bicycle according to an embodiment of the present invention;
fig. 2 is a front view of an electric bicycle frame according to an embodiment of the present invention;
fig. 3 is a top view of an electric bicycle frame according to an embodiment of the present invention;
fig. 4 is a top view of a second frame of the electric bicycle frame according to the embodiment of the present invention;
fig. 5 is a front view of a first frame of an electric bicycle frame according to an embodiment of the present invention;
fig. 6 is a schematic perspective view of a first frame of an electric bicycle frame according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It should be noted that the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, directly disposed or connected, or indirectly disposed or connected through intervening elements or intervening structures.
As shown in fig. 1 to 6, an embodiment of the present invention provides an electric bicycle frame, including a frame main body, an upper end front portion of the frame main body is a vertical pipe handle installation portion 101, and a vertical pipe of an electric bicycle can be rotatably connected to the vertical pipe handle installation portion 101. The upper rear part of the frame main body is a seat tube mounting part 102, and a seat tube of the electric bicycle can be connected to the seat tube mounting part 102. The rear part of the lower end of the frame main body is a rear wheel mounting part 103, the rotating shaft of the rear wheel can be connected to the rear wheel mounting part 103, and the rotating shaft of the front wheel can be connected to the front fork at the lower end of the vertical pipe. The frame main part includes integrative die-casting fashioned first frame 10 and integrative die-casting fashioned second frame 20, and first frame 10 and second frame 20 adopt metal material (for example aluminum alloy, magnalium) integrative die-casting shaping respectively promptly, and its structural strength is high, and can structure such as shaping curved surface to richen the molding. The first frame 10 (left frame) and the second frame 20 (right frame) are arranged in a left-right involutory mode, the first frame 10 and the second frame 20 are fixed through welding or/and locking pieces, and the locking pieces can be bolts and the like. First frame 10 with second frame 20 all is the shell form, just first frame 10 with second frame 20 one side in opposite directions all is the opening form, and its light in weight and intensity are high, first frame 10 with the inboard of second frame 20 integrated into one piece respectively has the strengthening rib, does benefit to and guarantees structural strength, and integrated die-casting fashioned first frame 10 and second frame 20 respectively can guarantee that there is not gas pocket, sand hole in the product inside to can carry out heat treatment process, the frame main part can further strengthen the hardness and the intensity of frame main part after heat treatment, and the product quality is good, the reliability is high, long service life.
In specific application, the reinforcing ribs can be in a criss-cross shape so as to further improve the structural strength.
In a specific application, the first frame 10 and the second frame 20 may be symmetrically or substantially symmetrically disposed. The first frame 10 and the second frame 20 may have a substantially triangular shape.
Specifically, an inserting positioning structure is arranged between the first frame 10 and the second frame 20, so that positioning during assembly is facilitated, a limiting effect can be achieved, excessive stress at a welding position or a locking part is avoided, and reliability of the frame main body is further improved.
Specifically, the inserting positioning structure includes a first inserting slot integrally formed on the first frame 10 and a protruding structure integrally formed on the second frame 20; when the first frame 10 and the second frame 20 are aligned left and right, the protruding structure is inserted into the first slot. The protruding structure may be in a cylindrical shape, and the cross section of the protruding structure may be in a rectangular or circular shape, and correspondingly, the first slot may also be in a rectangular or circular shape.
Specifically, the first slot and the protruding structure may be provided in a plurality, and in a specific application, the first slot and the protruding structure may be distributed at suitable positions, such as an upper end, a front end, a lower end, and a middle portion of the first frame 10 and the second frame 20.
Specifically, a riser mounting cylinder 30 is fixedly connected to or integrally formed at the riser handle mounting portion 101, and the riser mounting cylinder 30 has a riser hole 31 for a riser to pass through. That is, the vertical pipe mounting cylinder 30 can be formed by left and right involution of a semicircular hole site on the first frame 10 and a semicircular hole site on the second frame 20, or the vertical pipe mounting cylinder 30 can be formed independently, the upper sides of the front ends of the first frame 10 and the second frame 20 are respectively welded to the outer sides of the vertical pipe mounting cylinder 30, or the vertical pipe mounting cylinder 30 can be fixedly clamped between the first frame 10 and the second frame 20 through a limiting structure, and the limiting structure can be a concave-convex matching structure. The riser mounting cylinder 30 may be an aluminum alloy piece or a steel piece.
Specifically, a seat tube mounting barrel 40 is fixedly connected to or integrally formed at the seat tube mounting portion 102, and the seat tube mounting barrel 40 has a seat tube hole 41 for a seat tube to pass through. That is, the seat tube mounting tube 40 can be formed by left and right involution of a semicircular hole site on the first frame 10 and a semicircular hole site on the second frame 20, or the seat tube mounting tube 40 can be formed independently, the front and rear sides of the first frame 10 and the second frame 20 are respectively welded to the outer sides of the seat tube mounting tube 40, or the seat tube mounting tube 40 can also be fixed and clamped between the first frame 10 and the second frame 20 through a limiting structure, and the limiting structure can be a concave-convex matching structure. The seat tube mounting cylinder 40 may be an aluminum alloy piece or a steel piece.
Specifically, a first rear wheel mounting arm 11 is integrally connected to the first frame 10; the second frame 20 is integrally connected with a second rear wheel mounting arm 21, when the first frame 10 and the second frame 20 are right-left aligned, the first rear wheel mounting arm 11 and the second rear wheel mounting arm 21 are oppositely arranged at intervals, the rear wheel can be arranged between the first rear wheel mounting arm 11 and the second rear wheel mounting arm 21, and the first rear wheel mounting arm 11 and the second rear wheel mounting arm 21 are provided with rear wheel shaft holes. The rear axle hole site has a downward opening, i.e. the rear axle hole site is a U-shaped groove with a downward opening, for easy assembly.
In a specific application, the side surfaces of the first frame 10 or/and the second frame 20 may be integrally formed with threading holes or component mounting holes.
In specific application, the inner sides of the first rear wheel mounting arm 11 and the second rear wheel mounting arm 21 can be integrally formed with crossed reinforcing ribs, and the reinforcing ribs can be in a shape like a Chinese character 'mi' or a Chinese character 'jing'.
In a specific application, the first frame 10 and the second frame 20 may be formed by aluminum alloy or magnesium aluminum alloy through integral die casting, and the inner sides of the first frame 10 and the second frame 20 may be formed with wire management grooves or wire management pipe clamps.
In specific application, the inner sides of the first rear wheel mounting arm 11 and the second rear wheel mounting arm 21 can be integrally formed with a wire arranging groove or a wire arranging pipe clamp.
In particular applications, the first frame 10 and the second frame 20 may be heat treated to further improve the stiffness, strength, and surface corrosion resistance of the frame body.
The utility model also provides an electric bicycle, electric bicycle has foretell electric bicycle frame. The first frame 10 and the second frame 20 which are respectively integrally formed in the electric bicycle frame through die casting can be subjected to a heat treatment process, so that air holes and sand holes do not exist in the product, and the frame body can be subjected to heat treatment, so that the hardness and the strength of the frame body can be further enhanced, and the product is good in quality, high in reliability and long in service life.
The embodiment of the utility model provides an electric bicycle frame and electric bicycle, first frame 10 and second frame 20 are die-cast respectively and control to involutory setting in its frame main part, for the single shortcoming of traditional aluminium alloy welded structure, can realize that the product molding is changeable, reducible processing and cost of labor, first frame 10 with second frame 20 control to involutory setting, first frame 10 and second frame 20 can adopt metal material integrative die-cast shaping respectively, its structural strength is high, and can shaping curved surface isotructure, with abundant molding, and the assembly process is simple and easy, do benefit to reduction in production cost, first frame 10 and second frame 20 that respectively integrative die-cast shaping can carry out heat treatment process, can guarantee that there is not gas pocket, sand hole in the product inside, and the frame main part can heat treat to can further strengthen the hardness and the intensity of frame main part, the product has good quality, high reliability and long service life.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.
Claims (8)
1. The utility model provides an electric bicycle frame, includes the frame main part, the upper end front portion of frame main part is riser handle installation department, the upper end rear portion of frame main part is the seat pipe installation department, the lower extreme rear portion of frame main part is the rear wheel installation department, a serial communication port, the frame main part includes integrative die-casting shaping's first frame and integrative die-casting shaping's second frame, first frame with the second frame is controlled to closing the setting, just first frame with it is fixed through welded fastening or retaining member between the second frame, just first frame with second frame one side in opposite directions all is the opening form, first frame with the inboard of second frame integrated into one piece respectively has the strengthening rib.
2. The frame for an electric bicycle of claim 1, wherein a plug-in locating structure is provided between the first frame and the second frame.
3. The frame for electric bicycle according to claim 2, wherein the inserting positioning structure comprises a first inserting slot integrally formed on the first frame and a protruding structure integrally formed on the second frame; when the first frame and the second frame are in left-right alignment, the protruding structure is inserted into the first slot.
4. An electric bicycle frame as claimed in claim 3, wherein a plurality of the first slots and the protruding formations are provided.
5. The frame for an electric bicycle of claim 1, wherein a stem mounting tube having a stem hole for a stem to pass through is fixedly attached to or integrally formed with the stem handle mounting portion.
6. The electric bicycle frame as claimed in claim 1, wherein a seat tube mounting cylinder having a seat tube hole site for a seat tube to pass through is fixedly attached to or integrally formed at the seat tube mounting part.
7. The electric bicycle frame of claim 1, wherein the first frame has integrally connected thereto a first rear wheel mounting arm; the second frame is integrally connected with a second rear wheel mounting arm, and when the first frame and the second frame are in left-right alignment, the first rear wheel mounting arm and the second rear wheel mounting arm are oppositely arranged at intervals.
8. An electric bicycle, characterized in that the electric bicycle has an electric bicycle frame as claimed in any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920686795.4U CN209870642U (en) | 2019-05-10 | 2019-05-10 | Electric bicycle frame and electric bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920686795.4U CN209870642U (en) | 2019-05-10 | 2019-05-10 | Electric bicycle frame and electric bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209870642U true CN209870642U (en) | 2019-12-31 |
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ID=68965050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920686795.4U Active CN209870642U (en) | 2019-05-10 | 2019-05-10 | Electric bicycle frame and electric bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209870642U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111361678A (en) * | 2020-04-02 | 2020-07-03 | 天津汇金企业管理合伙企业(有限合伙) | Electric vehicle frame |
-
2019
- 2019-05-10 CN CN201920686795.4U patent/CN209870642U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111361678A (en) * | 2020-04-02 | 2020-07-03 | 天津汇金企业管理合伙企业(有限合伙) | Electric vehicle frame |
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200522 Address after: 518000 No.104, Weiling Road, egongling community, Pinghu street, Longgang District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Beigong Industrial Co., Ltd Address before: Longgang District of Shenzhen City, Guangdong province 518000 Longgang Street Community Long Dong Sha Bei Li Cun Xi Xiang Industrial District 138. Patentee before: Shenzhen City Haoxiang Die-casting Co.,Ltd. |