Stable electric bicycle frame

Abstract

The utility model relates to the technical field of electric bicycles, in particular to a stable electric bicycle frame which comprises a handle supporting section, a battery bearing section and a driving position supporting section. Wherein the handle supporting section is fixedly connected to one side of the battery bearing section, and the driving position supporting section is fixedly connected to the other side of the battery bearing section; the battery supporting section comprises a U-shaped top supporting pipe and a U-shaped bottom supporting pipe; the U-shaped top supporting pipe and the U-shaped bottom supporting pipe are connected through a plurality of vertical connecting pipes; transverse connecting pipes are fixedly connected to the U-shaped top supporting pipe and the U-shaped bottom supporting pipe; reinforcing structures are arranged in the U-shaped top supporting pipe, the U-shaped bottom supporting pipe, the transverse connecting pipe and the vertical connecting pipe. The diagonal bracing ribs are arranged in the hollow pipe, so that the supporting strength is effectively improved, and the pipe is prevented from being bent under the action of treading and external impact.

Description

Technical Field

[0001] The utility model relates to the technical field of electric bicycles, in particular to a stable electric bicycle frame. Background Art

[0002] The existing frame structure is relatively common, such as a light electric frame with patent number 201721003509.7. For details, please refer to Figure 1 ,like Figure 1 As shown, it includes an electric frame body 9, and the electric frame body 9 is composed of a front end frame 12 arranged on one side of the electric frame body 9 and a rear end frame 10 arranged on the side of the electric frame body 9. A seat bag 7 is installed on the side of the handheld frame 8, and the seat bag 7 is embedded in the rear end frame 10. A supporting roller 6 is installed at the bottom of the seat bag 7, and the supporting roller 6 is tightly welded to the rear end frame 10. A plurality of evenly distributed rear wheel frames 14 are installed at the bottom of the rear end frame 10, and the rear wheel frames 14 are arranged in parallel. A plurality of evenly distributed shock absorbers 16 are installed on the top of the rear wheel frames 14. A lithium battery 13 is installed at the bottom of the front end frame 12, and the lithium battery 13 is embedded in the front end frame 12. An L-shaped tube 4 is installed on the top of the front frame 12, a fixed tube 3 is installed on the side of the L-shaped tube 4, a faucet 2 is installed on the top of the fixed tube 3, a front wheel frame 11 is installed on the bottom of the front frame 12, wheels 15 are installed on the bottom of the front wheel frame 11 and the rear wheel frame 14, a symmetrically distributed handheld frame 8 is installed on the top of the rear frame 10, a reinforced connecting tube 5 is installed on the side of the fixed tube 3, and a rotating tube 1 is installed on the bottom of the faucet 2. On the frame where the lithium battery 13 is placed, the force required to be carried is relatively large, which not only requires the driver to step on it, but also plays a role in connecting the front and rear buffers during the bumpy process. If a frame of the same thickness is used at this position, it is easy to bend and stretch to break on a bumpy road section.

[0003] Therefore, how to prevent the battery segment support frame from breaking is a technical problem that needs to be solved urgently in this field. Utility Model Content

[0004] The utility model provides a stable electric bicycle frame to solve the above technical problems.

[0005] In order to achieve the above-mentioned purpose, an embodiment of the utility model provides a stable electric bicycle frame, comprising: a handlebar support section, a battery supporting section and a driving position support section; wherein the handlebar support section is fixedly connected to one side of the battery supporting section, and the driving position support section is fixedly connected to the other side of the battery supporting section; and the battery supporting section comprises a U-shaped top tube tube and a U-shaped bottom tube tube; and the U-shaped top tube tube and the U-shaped bottom tube tube are connected by a plurality of vertical connecting tubes; and the U-shaped top tube tube and the U-shaped bottom tube tube are both fixedly connected with transverse connecting tubes; and the U-shaped top tube tube, the U-shaped bottom tube tube, the transverse connecting tube and the vertical connecting tube are all provided with reinforcement structures.

[0006] Furthermore, the U-shaped top tube, the U-shaped bottom tube, the transverse connecting tube and the vertical connecting tube are opened and closed with a buffer gap on one side facing the battery; wherein part of the reinforcement structure extends to the outside of the buffer gap.

[0007] Furthermore, the reinforcement structure includes a plurality of diagonal bracing ribs; wherein the diagonal bracing ribs are arranged at the central position of the tube; and the angles between two adjacent diagonal bracing ribs are equal; and one end of all the diagonal bracing ribs is fixedly connected, and the other end is fixedly connected to the inner wall of the tube.

[0008] Furthermore, the width of the buffer seam is greater than the thickness of the diagonal bracing rib.

[0009] Furthermore, a buffer strip is provided on one end of one of the diagonal bracing ribs that abuts against the inner wall of the tube; wherein the buffer strip passes through the buffer seam and extends to the outside of the tube.

[0010] Furthermore, the buffer seam has a first side surface and a second side surface corresponding to the first side surface.

[0011] Furthermore, the distances between two sides of the buffer strip and the first side surface and the second side surface are equal.

[0012] Furthermore, a protective sheet is provided on one end of the buffer strip extending outside the tube; wherein the width of the protective sheet is greater than the width of the buffer seam.

[0013] Furthermore, the protective sheet has an outer curved surface; wherein the outer curved surface abuts against the surface of the battery.

[0014] Furthermore, the protective sheet also has an inner curved surface corresponding to the outer curved surface; wherein the inner curved surface abuts against the outer wall of the tube.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. By setting diagonal bracing ribs in the hollow tube, the supporting strength is effectively increased to prevent the tube from being bent due to trampling and external impact;

[0017] 2. By setting the buffer seam and buffer strip, the deformation and the compression of the buffer seam on the buffer strip are realized, so as to further reduce the degree of bending of the pipe, thereby greatly reducing the probability of breaking and achieving a better buffering effect;

[0018] 3. By setting up a protective sheet, the battery can be prevented from being damaged by instantaneous bumps and impacts, thus achieving a good battery protection effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0020] Figure 1 It is a structural schematic diagram of a vehicle frame in the prior art;

[0021] Figure 2 A three-dimensional diagram of a preferred embodiment of a stable electric bicycle frame of the utility model;

[0022] Figure 3 It is a three-dimensional cross-sectional view of the optimal embodiment of the U-shaped bottom tube of the utility model;

[0023] Figure 4 For this utility model Figure 3 The enlarged structural diagram at A in the middle;

[0024] Figure 5 This is a structural diagram of the optimal embodiment of the buffer joint of the utility model.

[0025] Among them, 100, handle support section; 200, battery support section; 201, U-shaped top tube; 202, U-shaped bottom tube; 203, vertical connecting pipe; 204, horizontal connecting pipe; 205, buffer seam; 2051, first side; 2052, second side; 206, reinforcement structure; 2061, diagonal bracing ribs; 2062, buffer strip; 2063, protective sheet; 2064, inner arc surface; 2065, outer arc surface; 300, driving seat support section. DETAILED DESCRIPTION

[0026] Now the utility model is further described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, and therefore only show the components related to the utility model.

[0027] See also Figure 2 Combined with Figure 3 , Figure 2 A three-dimensional diagram of a preferred embodiment of a stable electric bicycle frame of the utility model; Figure 3 This is a three-dimensional cross-sectional view of the optimal embodiment of the U-shaped bottom tube of the utility model. Figures 2 to 3As shown, at least one embodiment provides a stable electric bicycle frame, including: a handlebar support section 100, a battery support section 200 and a driver's seat support section 300; that is, the handlebar support section 100, the battery support section 200 and the driver's seat support section 300 are respectively the front, middle and rear sections of the frame, the front section is mainly the handle, the middle section is mainly used for pedaling and holding the battery, and the rear section is where the driver's seat is placed; wherein the handlebar support section 100 is fixedly connected to one side of the battery support section 200, and the driver's seat support section 300 is fixedly connected to the other side of the battery support section 200; in addition, the battery support section 200 is composed of a plurality of pipe fittings, and the composition structure of the battery support section 200 is specifically described below. The battery support section 200 includes a U-shaped A top tube support 201 and a U-shaped bottom tube support 202; and the U-shaped top tube support 201 and the U-shaped bottom tube support 202 are connected by a plurality of vertical connecting tubes 203; and the U-shaped top tube support 201 and the U-shaped bottom tube support 202 are fixedly connected with a transverse connecting tube 204; the U-shaped top tube support 201, the U-shaped bottom tube support 202, the transverse connecting tube 204 and the vertical connecting tube 203 have the same tube thickness and are made of the same material, but are different in shape and assembly position. In order to enhance the bearing strength of the middle section while maintaining the effect of a lightweight frame, reinforcements 206 are arranged in all the tubes. Specifically, reinforcement structures 206 are arranged in the U-shaped top tube support 201, the U-shaped bottom tube support 202, the transverse connecting tube 204 and the vertical connecting tube 203.

[0028] Please continue reading Figure 3 and will combine Figures 4 to 5 , Figure 4 For this utility model Figure 3 The enlarged structural diagram at A in the middle; Figure 5 This is a structural diagram of the optimal embodiment of the buffer joint of the utility model. Figures 3 to 5 As shown, a buffer gap 205 is formed on one side of the U-shaped top tube 201, the U-shaped bottom tube 202, the horizontal connecting tube 204 and the vertical connecting tube 203 facing the battery, wherein a portion of the reinforcement structure 206 extends outside the buffer gap 205. The buffer gap 205 has a first side surface 2051 and a second side surface 2052 corresponding to the first side surface 2051.

[0029] Please continue reading Figure 4 Combined with Figure 5 .like Figures 4 to 5As shown, the reinforcement structure 206 includes a plurality of diagonal bracing ribs 2061; compared with the method of only thickening the tube to prevent bending and breaking, the diagonal bracing ribs 2061 in the hollow tube can more effectively increase the support strength, wherein the diagonal bracing ribs 2061 are arranged at the center of the tube; and the angles between two adjacent diagonal bracing ribs 2061 are equal; in the preferred scheme, the number of diagonal bracing ribs 2061 is three, and one end of all the diagonal bracing ribs 2061 is fixedly connected, and the other end is fixedly connected to the inner wall of the tube. The width of the buffer seam 205 is less than the thickness of the diagonal bracing ribs 2061, and the center line of one of the diagonal bracing ribs 2061 coincides with the center line of the buffer seam 205.

[0030] Please continue reading Figure 4 Combined with Figure 5 .like Figures 4 to 5 As shown, a buffer strip 2062 is arranged on one end of one of the diagonal bracing ribs 2061 that abuts against the inner wall of the tube; wherein the buffer strip 2062 passes through the buffer seam 205 and extends to the outside of the tube. The distances between the two sides of the buffer strip 2062 and the first side surface 2051 and the second side surface 2052 are equal. The buffer strip 206 is made of the same material as the diagonal bracing rib 2061, preferably steel. The buffer strip 2062 and the buffer seam 205 are arranged so that when the tube receives a sudden strong external pressure or collision, the width of the buffer seam 205 can be reduced to resist part of the force, reduce the degree of bending of the tube, and thus greatly reduce the probability of being broken. When the external pressure causes the first side surface 2051 and the second side surface 2052 to abut against the two sides of the buffer strip 206, the reaction force generated by the abutment can also play a good buffering effect.

[0031] Please continue reading Figure 4 Combined with Figure 5 .like Figures 4 to 5 As shown, a protective sheet 2063 is provided on one end of the buffer strip 2062 extending outside the tube; wherein the width of the protective sheet 2063 is greater than the width of the buffer seam 205. The protective sheet 2063 has an outer arc surface 2065; wherein the outer arc surface 2065 abuts against the surface of the battery. The protective sheet 2063 also has an inner arc surface 2064 corresponding to the outer arc surface 2065; wherein the inner arc surface 2064 abuts against the outer wall of the tube. The protective sheet 2063 is used to abut against the battery to prevent the battery from being damaged during instantaneous bumps and collisions, and has a good battery protection effect.

[0032] In summary, by setting the diagonal bracing ribs 2061 in the hollow tube, the supporting strength is effectively increased to prevent the tube from being bent under the action of being stepped on or externally impacted; by setting the buffer seam 205 and the buffer strip 206, the degree to which the tube is bent is further reduced through deformation and the compression of the buffer seam 20 by the buffer strip 206, thereby greatly reducing the probability of being broken and achieving a better buffering effect; by setting the protective sheet 2063, the battery is prevented from being damaged during momentary bumps and impacts, thereby achieving a good battery protection effect.

[0033] Based on the above ideal embodiments of the utility model, the relevant staff can make various changes and modifications without deviating from the technical concept of the utility model through the above description. The technical scope of the utility model is not limited to the content of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A stable electric bicycle frame, characterized in that: include: A handle support section (100), a battery support section (200) and a driver's seat support section (300); wherein The handle support section (100) is fixedly connected to one side of the battery support section (200), and the driving position support section (300) is fixedly connected to the other side of the battery support section (200); and The battery supporting section (200) comprises a U-shaped top tube bracket (201) and a U-shaped bottom tube bracket (202); and The U-shaped top tube (201) and the U-shaped bottom tube (202) are connected via a plurality of vertical connecting pipes (203); and The U-shaped top tube (201) and the U-shaped bottom tube (202) are both fixedly connected with a transverse connecting pipe (204); wherein The U-shaped top tube (201), the U-shaped bottom tube (202), the horizontal connecting tube (204) and the vertical connecting tube (203) are all provided with a reinforcement structure (206).

2. The frame according to claim 1, characterized in that: The U-shaped top tube (201), the U-shaped bottom tube (202), the horizontal connecting tube (204) and the vertical connecting tube (203) are opened and closed with a buffer seam (205) on one side facing the battery; wherein Part of the reinforcing structure (206) extends to the outside of the buffer gap (205).

3. The frame according to claim 2, characterized in that: The reinforcement structure (206) comprises a plurality of diagonal bracing ribs (2061); wherein The diagonal bracing rib (2061) is arranged at the center of the tube; and The included angles between two adjacent diagonal bracing ribs (2061) are equal; and One end of all the diagonal bracing ribs (2061) is fixedly connected, and the other end is fixedly connected to the inner wall of the tube.

4. The frame according to claim 3, characterized in that: The width of the buffer seam (205) is greater than the thickness of the diagonal bracing rib (2061).

5. The frame according to claim 4, characterized in that: A buffer strip (2062) is provided on one end of the diagonal bracing ribs (2061) that abuts against the inner wall of the tube; The buffer strip (2062) passes through the buffer slit (205) and extends to the outside of the tube.

6. The frame according to claim 5, characterized in that: The buffer gap (205) has a first side surface (2051) and a second side surface (2052) corresponding to the first side surface (2051).

7. The frame according to claim 6, characterized in that: The distances between the two sides of the buffer strip (2062) and the first side surface (2051) and the second side surface (2052) are equal.

8. The frame according to claim 7, characterized in that: A protective sheet (2063) is provided on one end of the buffer strip (2062) extending outside the tube; wherein The width of the protective sheet (2063) is greater than the width of the buffer gap (205).

9. The frame according to claim 8, characterized in that: The protective sheet (2063) has an outer curved surface (2065); wherein The outer arc surface (2065) abuts against the battery surface.

10. The frame according to claim 9, characterized in that: The protective sheet (2063) also has an inner curved surface (2064) corresponding to the outer curved surface (2065); wherein The inner arc surface (2064) abuts against the outer wall of the tube.

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