Foldable electric bicycle frame

Abstract

The utility model discloses a foldable electric bicycle frame, which belongs to the technical field of electric bicycle frames and comprises a frame main body, a locking wrench is arranged on the surface of one side of the frame main body, a lower supporting unit is fixedly connected to one side of the frame main body, a storage battery is mounted on the surface of the top of the lower supporting unit, and a cushion is arranged on one side of the storage battery. A handlebar folding assembly is fixedly connected to one side of the frame body, a saddle adjusting assembly is mounted at the bottom of the cushion, the frame body and the handlebar can be folded at the same time through the handlebar folding assembly, and therefore the folding effect of the frame is better, space is saved, and the frame is convenient to transfer and use. According to the bicycle frame, the saddle adjusting assembly is arranged, so that the height of the saddle of the bicycle frame is adjusted, the application range of the bicycle frame is expanded, a rider can adjust the saddle more conveniently and flexibly, the riding experience is improved, and practicability is enhanced.

Description

Technical Field

[0001] This utility model belongs to the field of electric bicycle frame technology, specifically relating to a foldable electric bicycle frame. Background Technology

[0002] In the chauffeur service industry, electric bicycles are needed. To improve the convenience of using electric bicycles, the frame needs to be foldable so that they can be easily stored in the trunk of a car. Because they can be folded and are easy to carry, electric bicycles have gradually become a common type of electric bicycle.

[0003] Chinese patent application number 202420548389.2 discloses a foldable electric bicycle frame, including a frame body, a mounting plate on one side of the frame body, a battery mounted on the top of the mounting plate, a limiting frame on the top of the mounting plate, and upper and lower support units respectively on the outer periphery of the battery. The upper and lower support units provide limiting support for the top and bottom of the battery, respectively. This foldable electric bicycle frame, through the upper and lower support units, can support and clamp the top and bottom of the battery. Furthermore, the cooperation of two sets of bidirectional screws, a drive component, and a telescopic plate allows for the clamping and installation of batteries of different sizes and heights, reducing damage caused by battery shaking during riding and thus extending battery life.

[0004] The aforementioned disclosed patents have the following problems when used:

[0005] 1. The frame cannot be folded with the handlebars in place, which makes it difficult to fit into smaller spaces, hindering its carrying and transport capabilities and reducing its practicality.

[0006] 2. The saddle of this frame cannot be height adjusted, which reduces the applicability of the frame and makes it difficult for riders to flexibly adjust the saddle height, thus reducing its practicality. Utility Model Content

[0007] To address the problems mentioned in the background section, this utility model provides a foldable electric bicycle frame, featuring easy-to-fold handlebars, comprehensive seat adjustment functions, and high practicality.

[0008] To achieve the above objectives, this utility model provides the following technical solution: a foldable electric bicycle frame, including a frame body, a locking wrench on one side surface of the frame body, a lower support unit fixedly connected to one side of the frame body, a battery mounted on the top surface of the lower support unit, a seat cushion on one side of the battery, a handlebar folding assembly fixedly connected to one side of the frame body, and a seat adjustment assembly mounted at the bottom of the seat cushion.

[0009] Preferably, the handlebar folding assembly comprises a handlebar, a fixing assembly, a connecting rod, a hinge, a connecting plate, a fixing bolt, a mounting bolt and a fixing cylinder, one side of the frame body is fixedly connected with the connecting plate, the top surface of the connecting plate is fixedly connected with the fixing cylinder, one side surface of the connecting plate is provided with the hinge, one side of the fixing cylinder is provided with the fixing bolt, the inside of the fixing cylinder is provided with the connecting rod, one side surface of the fixing cylinder is provided with the mounting bolt, the top surface of the connecting rod is fixedly connected with the handlebar, and the connecting position of the handlebar and the connecting rod is provided with the fixing assembly.

[0010] Preferably, the fixing assembly comprises a fastening bolt, a first fixing cover, a positioning bolt, a second fixing cover and a fixing screw hole, the top surface of the connecting rod is fixedly connected with the second fixing cover, the top surface of the second fixing cover is provided with the fixing screw hole, the top of the second fixing cover is provided with the first fixing cover, the top of the first fixing cover is provided with the fastening bolt, and the first fixing cover and the second fixing cover are provided with the positioning bolt.

[0011] Preferably, one end of the positioning bolt is provided with a screw hole in contact with the handlebar.

[0012] Preferably, the seat adjusting assembly comprises a fixing rod, a scale line, a sleeve, a guide strip, a cavity, a spring, a limiting block, a positioning pin and a positioning hole, one side surface of the frame body is fixedly connected with the sleeve, the inside of the sleeve is provided with the fixing rod, one side surface of the sleeve is provided with the positioning hole, one side surface of the fixing rod is fixedly connected with the guide strip, one side of the guide strip is provided with the scale line, the inside of the fixing rod is provided with the cavity, the inside of the cavity is provided with the spring, one side of the spring is provided with the positioning pin, and the bottom of the positioning pin is fixedly connected with the limiting block.

[0013] Preferably, one side surface of the guide strip is fixedly connected with a fixing plate, and one side surface of the fixing plate is provided with a mounting block.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1、The handlebar folding assembly is arranged, when the frame needs to be folded, the frame body can be folded and the handlebar can be folded at the same time, so that the folding effect of the frame is better, space is saved, and transportation and use are facilitated.

[0016] 2、The seat adjusting assembly is arranged, the height of the seat cushion of the frame is adjusted, the application range of the frame is enlarged, the rider can conveniently and flexibly adjust the seat cushion, the riding experience is improved, and the practicality is enhanced. DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of the utility model;

[0018] Figure 2 It is structure schematic view of handlebar folding assembly of the utility model;

[0019] Figure 3 It is structure schematic view of fixing assembly of the utility model;

[0020] Figure 4 It is partial enlarged view of seat adjusting assembly of the utility model;

[0021] Figure 5 It is sectional view of fixing rod of the utility model.

[0022] In the figure: 1, frame main body;2, locking wrench;3, handlebar folding assembly;31, handlebar;32, fixing assembly;321, fastening bolt;322, first fixing cover;323, positioning bolt;324, second fixing cover;325, fixed screw hole;33, connecting rod;34, hinge;35, connecting plate;36, fixing bolt;37, mounting bolt;38, fixing cylinder;4, cushion;5, seat adjusting assembly;51, fixing rod;52, scale line;53, sleeve;54, guide strip;55, cavity;56, spring;57, limit block;58, positioning pin;59, positioning hole;6, battery;7, lower support unit. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model. EMBODIMENT

[0024] Please refer to Figures 1-5 The utility model provides the following technical scheme: a foldable electric bicycle frame, including frame main body 1, one side surface of frame main body 1 is provided with locking wrench 2, one side of frame main body 1 is fixedly connected with lower support unit 7, the top surface of lower support unit 7 is installed with battery 6, one side of battery 6 is provided with cushion 4, one side of frame main body 1 is fixedly connected with handlebar folding assembly 3, and the bottom of cushion 4 is installed with seat adjusting assembly 5.

[0025] Specifically, the handlebar folding assembly 3 comprises a handlebar 31, a fixing assembly 32, a connecting rod 33, a hinge 34, a connecting plate 35, a fixing bolt 36, a mounting bolt 37 and a fixing cylinder 38, wherein one side of the frame body 1 is fixedly connected with the connecting plate 35, the top surface of the connecting plate 35 is fixedly connected with the fixing cylinder 38, one side surface of the connecting plate 35 is provided with the hinge 34, one side of the fixing cylinder 38 is provided with the fixing bolt 36, the inside of the fixing cylinder 38 is provided with the connecting rod 33, one side surface of the fixing cylinder 38 is provided with the mounting bolt 37, and the top surface of the connecting rod 33 is fixedly connected with the handlebar 31. The handlebar 31 is provided with the fixing assembly 32 at the connection position with the connecting rod 33.

[0026] By adopting the above technical scheme, when the handlebar folding assembly 3 is used, the fixing bolt 36 is first rotated to cancel the fixation of the connecting plate 35, and then the handlebar 31 is pulled to move to one side of the frame body 1 under the action of the hinge 34, so as to complete the folding and storage of the handlebar 31 of the frame, and meanwhile, the mounting bolt 37 can be rotated to be separated from the inside of the fixing cylinder 38 and the connecting rod 33, so that the handlebar 31 can be removed, which further facilitates the maintenance and transportation of the frame, improves the folding function of the handlebar 31 of the frame, improves the portability during use, and enhances the practicality.

[0027] Specifically, the fixing assembly 32 comprises a fastening bolt 321, a first fixing cover 322, a positioning bolt 323, a second fixing cover 324 and a fixing screw hole 325, wherein the top surface of the connecting rod 33 is fixedly connected with the second fixing cover 324, the top surface of the second fixing cover 324 is provided with the fixing screw hole 325, the top of the second fixing cover 324 is provided with the first fixing cover 322, the top of the first fixing cover 322 is provided with the fastening bolt 321, and the first fixing cover 322 and the second fixing cover 324 are provided with the positioning bolt 323.

[0028] By adopting the above technical scheme, when the fixing assembly 32 is used, the assembly is installed at the connection position of the handlebar 31 and the connecting rod 33, and the first fixing cover 322 and the second fixing cover 324 can enhance the connection strength between the connecting rod 33 and the handlebar 31, and the positioning bolt 323 can further fix the handlebar 31 to prevent the handlebar 31 from sliding between the first fixing cover 322 and the second fixing cover 324 during use, thereby improving the riding safety and reducing the security risks.

[0029] Specifically, one end of the positioning bolt 323 is provided with a screw hole at the contact position with the handlebar 31.

[0030] By adopting the above technical scheme, the screw hole and the positioning bolt 323 can further fix the handlebar 31 to prevent the handlebar 31 from sliding between the first fixing cover 322 and the second fixing cover 324.

[0031] In use, when the handlebar folding assembly 3 is used, first rotate the fixing bolt 36 to cancel the fixing of the connecting plate 35, then pull the handlebar 31 to move the handlebar 31 to one side of the frame body 1 under the action of the hinge 34, thereby completing the folding and storage of the handlebar 31 of the frame, and the installation bolt 37 can be rotated to disengage from the inside of the fixing cylinder 38 and the connecting rod 33, at which time the handlebar 31 can be removed, further facilitating the maintenance and transportation of the frame, improving the folding function of the handlebar 31 of the frame, improving portability during use, and enhancing practicality. When the fixing assembly 32 is used, the assembly is installed at the connection between the handlebar 31 and the connecting rod 33, and the first fixing cover 322 and the second fixing cover 324 can enhance the connection strength between the connecting rod 33 and the handlebar 31, and the positioning bolt 323 can further fix the handlebar 31 to prevent the handlebar 31 from sliding between the first fixing cover 322 and the second fixing cover 324 during use, thereby improving riding safety and reducing safety hazards. The cooperation of the screw hole and the positioning bolt 323 can further fix the handlebar 31 to prevent the handlebar 31 from sliding between the first fixing cover 322 and the second fixing cover 324. Embodiment

[0032] The difference between the embodiment and embodiment 1 is that specifically, the seat adjusting assembly 5 includes a fixed rod 51, a scale line 52, a sleeve 53, a guide strip 54, a cavity 55, a spring 56, a limiting block 57, a positioning pin 58, and a positioning hole 59. One side surface of the frame body 1 is fixedly connected with the sleeve 53, the inside of the sleeve 53 is provided with the fixed rod 51, one side surface of the sleeve 53 is provided with the positioning hole 59, one side surface of the fixed rod 51 is fixedly connected with the guide strip 54, one side of the guide strip 54 is provided with the scale line 52, the inside of the fixed rod 51 is provided with the cavity 55, the inside of the cavity 55 is provided with the spring 56, one side of the spring 56 is provided with the positioning pin 58, and the bottom of the positioning pin 58 is fixedly connected with the limiting block 57.

[0033] By adopting the above technical scheme, when the seat adjusting assembly 5 is used, first press the positioning pin 58 into the sleeve 53, then press the seat cushion 4, adjust the position of the positioning pin 58 as needed, and after determining the position, the positioning pin 58 is clamped into the positioning hole 59 under the action of the spring 56, thereby facilitating the adjustment of the seat cushion 4 by the rider, and the seat cushion 4 can be more accurately and flexibly adjusted according to the scale line 52, and the direction of the seat cushion 4 is not easy to change through the guide strip 54, which is also convenient for adjustment, thereby enhancing practicality.

[0034] Specifically, one side surface of the guide strip 54 is fixedly connected with a fixed plate, and one side surface of the fixed plate is provided with a mounting block.

[0035] By adopting the technical scheme, the fender or warning light is conveniently installed on one side of the saddle 4 through the fixing plate and the mounting block, so that the functionality of the frame is further enhanced.

[0036] In use, when the seat adjusting assembly 5 is used, first, the positioning pin 58 is pressed into the sleeve 53, then the saddle 4 is pressed, the position of the positioning pin 58 is adjusted as required, after the position is determined, the positioning pin 58 is clamped into the positioning hole 59 under the action of the spring 56, so that the rider can conveniently adjust the saddle 4, and the saddle 4 can be more accurately and flexibly adjusted according to the scale line 52, the direction of the saddle 4 is not easy to change through the guide strip 54, and the adjustment is convenient, so that the practicality is enhanced, and the fender or warning light is conveniently installed on one side of the saddle 4 through the fixing plate and the mounting block, so that the functionality of the frame is further enhanced.

[0037] The structure and use principle of the locking wrench 2, the storage battery 6 and the lower support unit 7 in the utility model have been disclosed in a foldable electric bicycle frame with Chinese patent application No.

[0038] The utility model discloses a working principle and use flow: the utility model discloses a kind of foldable electric bicycle frame adjustment, when using handlebar folding assembly 3, first rotate fixed bolt 36, make fixed bolt 36 cancel the fixation of connecting plate 35, then pull handlebar 31 make handlebar 31 under the action of hinge 34 Side movement to frame main body 1, to complete the folding of the frame handlebar 31 Storage, it can also be through rotating mounting bolt 37, make mounting bolt 37 separate from the inside of fixed cylinder 38 and connecting rod 33, at this moment, handlebar 31 can be removed, further facilitate the overhaul and transfer of the frame, also perfect the handlebar 31 folding function of the frame, improve the portability when using, enhance practicality, when using fixed assembly 32, the assembly is installed at the junction of handlebar 31 and connecting rod 33, under the action of first fixed cover 322 and second fixed cover 324 can enhance the connecting strength between connecting rod 33 and handlebar 31, positioning bolt 323 can further fixed handlebar 31, prevent handlebar 31 from sliding between first fixed cover 322 and second fixed cover 324 when using, improve the riding safety, reduce security risk, through the cooperation of screw hole and positioning bolt 323, handlebar 31 can be further fixed, prevent handlebar 31 from sliding between first fixed cover 322 and second fixed cover 324, the utility model discloses a kind of foldable electric bicycle frame adjustment, when using saddle adjusting assembly 5, first press positioning pin 58 into sleeve 53, then press cushion 4, adjust the position of positioning pin 58 according to need, after determining position, positioning pin 58 is clamped into positioning hole 59 under the action of spring 56, so that the adjustment of cushion 4 by rider can be facilitated, it can also be more accurate and flexible to adjust cushion 4 according to scale line 52, through guide strip 54, the direction of cushion 4 is not easy to change, also facilitate adjustment, to enhance practicality, through fixed plate and mounting block, it is convenient to install mudguard or warning light on one side of cushion 4, to further enhance the functionality of the frame.

[0039] Although the embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A foldable electric bicycle frame, comprising a frame body (1), one side surface of the frame body (1) is provided with a locking wrench (2), one side of the frame body (1) is fixedly connected with a lower support unit (7), the top surface of the lower support unit (7) is mounted with a battery (6), one side of the battery (6) is provided with a cushion (4), characterized in that: One side of the frame body (1) is fixedly connected with a handle folding assembly (3), and the bottom of the cushion (4) is provided with a seat adjusting assembly (5).

2. The foldable electric bicycle frame of claim 1, wherein: The handle folding assembly (3) comprises a handle (31), a fixing assembly (32), a connecting rod (33), a hinge (34), a connecting plate (35), a fixing bolt (36), a mounting bolt (37) and a fixing cylinder (38), wherein one side of the frame body (1) is fixedly connected with the connecting plate (35), the top surface of the connecting plate (35) is fixedly connected with the fixing cylinder (38), one side surface of the connecting plate (35) is provided with the hinge (34), one side of the fixing cylinder (38) is provided with the fixing bolt (36), the inside of the fixing cylinder (38) is provided with the connecting rod (33), one side surface of the fixing cylinder (38) is provided with the mounting bolt (37), the top surface of the connecting rod (33) is fixedly connected with the handle (31), and the handle (31) is provided with the fixing assembly (32) at the connecting position with the connecting rod (33).

3. The foldable electric bicycle frame of claim 2, wherein: The fixing assembly (32) comprises a fastening bolt (321), a first fixing cover (322), a positioning bolt (323), a second fixing cover (324) and a fixing screw hole (325), wherein the top surface of the connecting rod (33) is fixedly connected with the second fixing cover (324), the top surface of the second fixing cover (324) is provided with the fixing screw hole (325), the top of the second fixing cover (324) is provided with the first fixing cover (322), the top of the first fixing cover (322) is provided with the fastening bolt (321), and the first fixing cover (322) and the second fixing cover (324) are provided with the positioning bolt (323).

4. The foldable electric bicycle frame of claim 3, wherein: One end of the positioning bolt (323) is provided with a screw hole at the contact position with the handle (31).

5. The foldable electric bicycle frame of claim 1, wherein: The seat adjusting assembly (5) comprises a fixing rod (51), a scale line (52), a sleeve (53), a guide strip (54), a cavity (55), a spring (56), a limiting block (57), a positioning pin (58) and a positioning hole (59), wherein one side surface of the frame body (1) is fixedly connected with the sleeve (53), the inside of the sleeve (53) is provided with the fixing rod (51), one side surface of the sleeve (53) is provided with the positioning hole (59), one side surface of the fixing rod (51) is fixedly connected with the guide strip (54), one side of the guide strip (54) is provided with the scale line (52), the inside of the fixing rod (51) is provided with the cavity (55), the inside of the cavity (55) is provided with the spring (56), one side of the spring (56) is provided with the positioning pin (58), and the bottom of the positioning pin (58) is fixedly connected with the limiting block (57).

6. The foldable electric bicycle frame of claim 5, wherein: One side surface of the guide strip (54) is fixedly connected with a fixing plate, and one side surface of the fixing plate is provided with a mounting block.

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