Built-in power-assisted mounting structure for electric bicycle frame

Abstract

The utility model discloses a built-in power-assisted installation structure for an electric bicycle frame, which comprises a frame assembly, an electric power assembly is slidably connected outside the frame assembly, the frame assembly comprises a frame beam, the outer walls of the two sides of the frame beam are both provided with limiting holes, and the electric power assembly comprises a box body; the sliding groove is formed in the installation base, the electric power assembly can be conveniently installed on the vehicle frame beam in a sliding mode, when the vehicle frame is unfolded, the first threaded rod is rotated, the piston plate can push and press one third elastic element, meanwhile, the piston plate can extrude hydraulic oil in the cavity, the hydraulic oil can push and press the other sliding block to move, and therefore the electric power assembly can be conveniently installed on the vehicle frame beam in a sliding mode. The bolt columns are inserted into the limiting holes in a sliding mode, the mounting base is firmly mounted on the frame beam, the unfolded frame beam is fixed, bolts are not needed in the process, the difficulty of mounting and dismounting can be reduced, the battery structure can be conveniently pushed through the design of the sliding grooves, the frame can be conveniently folded, and the size of the frame of the electric bicycle can be reduced. And workers can conveniently carry.

Description

Technical Field

[0001] The utility model relates to the technical field of folding electric bicycle frames, in particular to a built-in power-assisted mounting structure for an electric bicycle frame. Background Art

[0002] An electric bicycle is a vehicle that uses a battery as an auxiliary energy source and is based on an ordinary bicycle. It is equipped with a motor, controller, battery, handlebars and other operating components and a display instrument system. A folding electric bicycle is a vehicle that can be stored on the basis of an electric bicycle. The battery on an electric bicycle is generally installed on the bicycle frame.

[0003] For example, the application number CN202322835019.5 and the publication date 20240524 are about a built-in power-assisted mounting structure for an ultra-light folding electric bicycle frame, which includes a front frame, a rear frame, a drive motor and a sealing cover. A rear frame is provided on one side of the front frame, one end of the rear frame extends into the front frame, a motor mounting block is fixedly connected to the lower surface of the rear frame, a motor mounting groove is provided on one side outer wall of the motor mounting block, a drive motor is provided inside the motor mounting groove, a sealing cover is provided on one side outer wall of the motor mounting block relative to the position of the drive motor, four positioning cavities are circumferentially opened in the interior of the motor mounting block relative to the motor mounting groove, the inner walls of the four positioning cavities are slidably connected with L-shaped limit blocks, one end of the four L-shaped limit blocks extends through the motor mounting groove and abuts against the drive motor, which can reduce the length of the electric bicycle frame and accelerate the installation and disassembly of the drive motor through the L-shaped limit blocks.

[0004] Most of the electric bicycle frames on the market are folding frames. When the frame is unfolded, it is generally fixed by bolts. A battery is generally set under the frame and fixed to the frame by multiple bolts. This installation structure uses a large number of bolts, which makes the installation more cumbersome and the disassembly and assembly more troublesome. Therefore, it is urgent to design an electric bicycle frame with a built-in power-assisted installation structure to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a built-in power-assisted mounting structure for an electric bicycle frame, so as to solve the above-mentioned deficiencies in the prior art.

[0006] In order to achieve the above purpose, the present invention provides the following technical solutions:

[0007] The cam is provided with a toothed structure for the cam, and the toothed structure is provided with a toothed structure for the cam, and the toothed structure is provided with a toothed structure for the cam.

[0008] Furthermore, a mounting groove is provided on an outer wall of one side of the box body, and a cover plate is installed inside the mounting groove by bolts.

[0009] Furthermore, a plurality of elastic elements 2 are mounted on one side of the top of the inner wall of the mounting groove via bolts, and a lower pressure plate is mounted on the bottom ends of the plurality of elastic elements 2 via bolts.

[0010] Furthermore, a second groove is provided at the center of the outer wall of one side of the box body, and a second threaded rod is installed inside the second groove through a bearing.

[0011] Furthermore, the second external threaded rod is connected to a slide plate, and the slide plate is slidably connected to the inside of the installation groove.

[0012] Furthermore, a plurality of elastic elements 1 are mounted on an outer wall on one side of the top of the skateboard via bolts, and a bearing plate is mounted on the top of the plurality of elastic elements 1 via bolts.

[0013] In the above technical solution, the utility model provides a built-in power-assisted mounting structure for an electric bicycle frame, which has the following beneficial effects:

[0014] (1) By setting up the mounting seat, threaded rod 1, piston plate, slider, latch column and limiting hole, a slide groove is opened on the mounting seat to facilitate the sliding installation of the power component on the frame beam, and when the frame is unfolded, by rotating the threaded rod 1, the piston plate can push one of the elastic elements 3, and at the same time the piston plate will squeeze the hydraulic oil inside the cavity, and the hydraulic oil will push another slider to move, so that multiple latch columns slide and insert into the limiting hole, so that the mounting seat is firmly installed on the frame beam, and the unfolded frame beam is fixed. This process does not require the use of bolts, which will reduce the difficulty of installation and removal, and the design of the slide groove can facilitate the pushing of the battery structure, facilitate the folding of the frame, and can reduce the size of the electric bicycle frame, making it convenient for workers to carry.

[0015] (2) By setting the threaded rod 2 and the slide plate, the threaded rod 2 is rotated with a tool, so that the slide plate can slide inside the installation groove, so that the distance between the supporting plate and the lower pressing plate is changed, making it easier for the supporting plate and the lower pressing plate to fix and clamp batteries of different sizes.

[0016] (3) By setting the elastic element 1 and the elastic element 2, both of which are damping springs, the design of the elastic element 1 and the elastic element 2 can reduce the vibration of the battery inside the box when riding the electric automatic vehicle, avoid the problem of the welding wire on the battery falling off due to the large vibration amplitude, and ensure the normal operation of the battery. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0018] Figure 1 The utility model provides an overall structural schematic diagram of an embodiment of a built-in power-assisted mounting structure for an electric bicycle frame.

[0019] Figure 2 This is a schematic diagram of the power assembly structure provided by an embodiment of a built-in power-assisted mounting structure for an electric bicycle frame of the present utility model.

[0020] Figure 3 This is a schematic diagram of the planar structure of a box provided in an embodiment of a built-in power-assisted mounting structure for an electric bicycle frame according to the utility model.

[0021] Figure 4 This is a side structural schematic diagram of a box provided in an embodiment of a built-in power-assisted mounting structure for an electric bicycle frame according to the utility model.

[0022] Figure 5The present invention is a schematic top view of a three-dimensional structure of a box provided by an embodiment of a built-in power-assisted mounting structure for an electric bicycle frame.

[0023] Figure 6 The present invention is a schematic diagram of a frame assembly structure provided by an embodiment of a built-in power-assisted mounting structure for an electric bicycle frame.

[0024] Description of reference numerals:

[0025] 1. Power component; 2. Frame component; 3. Box; 4. Cover; 5. Mounting seat; 6. Slide; 7. Latch column; 8. Groove 1; 9. Threaded rod 1; 10. Mounting groove; 11. Lower pressure plate; 12. Load-bearing plate; 13. Groove 2; 14. Threaded rod 2; 15. Slide plate; 16. Elastic element 1; 17. Elastic element 2; 18. Cavity; 19. Elastic element 3; 20. Slider; 21. Piston plate; 22. Connecting cavity; 23. Frame beam; 24. Limit hole. DETAILED DESCRIPTION

[0026] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0027] like Figure 1-6 As shown, an embodiment of the present invention provides a built-in power-assisted mounting structure for an electric bicycle frame, including a frame assembly 2, the frame assembly 2 is slidably connected to the outside of the frame assembly 2 with a power assembly 1, the frame assembly 2 includes a frame beam 23, and the outer walls on both sides of the frame beam 23 are provided with limiting holes 24, the power assembly 1 includes a box body 3, a mounting seat 5 is integrally formed on the outer wall of one side of the top of the box body 3, and a slide groove 6 is provided on one side of the outer wall of the mounting seat 5, the frame beam 23 is slidably inserted into the inner part of the slide groove 6, the mounting seat 5 is provided with two cavities 18, and a connecting cavity 22 is provided between the two cavities 18, and a groove 8 is provided on one side of the outer wall of the mounting seat 5. A threaded rod 9 is installed inside the groove 8 through a bearing, one end of the threaded rod 9 extends into one of the cavities 18, and the external thread of the threaded rod 9 is connected to the piston plate 21. The two cavities 18 are slidably connected with sliders 20, and three latch columns 7 are welded to the outer wall of one side of the slider 20, one end of the latch column 7 is inserted into the limiting hole 24, and an elastic element three 19 is welded to the outer wall of one side of the slider 20, and the other end of one elastic element three 19 is installed on the outer wall of one side of the piston plate 21 by a bolt, and the other end of the other elastic element three 19 is installed on one side of the inner wall of one of the cavities 18 by a bolt.

[0028] Specifically, in this embodiment, a frame assembly 2 is included, the frame assembly 2 is externally slidably connected to the power assembly 1, the frame assembly 2 includes a frame beam 23, and the outer walls of both sides of the frame beam 23 are provided with limit holes 24, the power assembly 1 includes a box body 3, the outer wall of one side of the top of the box body 3 is integrally formed with a mounting seat 5, and a slide groove 6 is provided on one side of the outer wall of the mounting seat 5, the slide groove 6 facilitates the mounting seat 5 to be installed on the frame beam 23, the frame beam 23 is slidably inserted into the slide groove 6, and two cavities 18 are provided inside the mounting seat 5, and there is a Connecting cavity 22, the outer wall of one side of the mounting seat 5 is provided with a groove 8, and a threaded rod 9 is installed inside the groove 8 through a bearing, one end of the threaded rod 9 extends into one of the cavities 18, and the outer thread of the threaded rod 9 is connected to the piston plate 21, and the two cavities 18 are slidably connected with the slider 20, and three latch columns 7 are welded to the outer wall of one side of the slider 20. After the frame beam 23 is unfolded, the mounting seat 5 can be slid to move the power component 1 to the folded structure of the frame component 2, and then the threaded rod 9 can be rotated with a tool to make The piston plate 21 pushes one of the elastic elements 3 19, and at the same time the piston plate 21 squeezes the hydraulic oil inside the cavity 18, and the hydraulic oil pushes the other slider 20 to move, so that the multiple latch columns 7 slide into the limiting holes 24, so that the mounting seat 5 is firmly installed on the frame beam 23, and the unfolded frame beam 23 is fixed, so that the frame is unfolded for the user to ride. One end of the latch column 7 is inserted into the limiting hole 24, and the outer wall of one side of the slider 20 is welded with the elastic element 3 19. When the frame needs to be folded, the threaded rod is rotated in the opposite direction. 19, the piston plate 21 returns to its original position, so that the hydraulic oil inside the cavity 18 is no longer under stress. Subsequently, under the action of the two elastic elements 3 19, the slider 20 will retract the latch column 7 into the cavity 18, so that the restriction between the mounting seat 5 and the frame beam 23 is released, so that the frame beam 23 can be folded together, and the other end of one of the elastic elements 3 19 is mounted on the outer wall of one side of the piston plate 21 by a bolt, and the other end of the other elastic element 3 19 is mounted on one side of the inner wall of one of the cavities 18 by a bolt.

[0029] The utility model provides a built-in power-assisted mounting structure for an electric bicycle frame, in which a slide groove 6 is provided on the mounting seat 5, which facilitates the sliding installation of the power component 1 on the frame beam 23. When the frame is unfolded, by rotating the threaded rod 1 9, the piston plate 21 can push one of the elastic elements 3 19. At the same time, the piston plate 21 will squeeze the hydraulic oil inside the cavity 18, and the hydraulic oil will push another slider 20 to move, so that multiple pin columns 7 are slidably inserted into the limiting holes 24, so that the mounting seat 5 is firmly installed on the frame beam 23, thereby fixing the unfolded frame beam 23. This process does not require the use of bolts, which will reduce the difficulty of installation and removal. The design of the slide groove 6 can facilitate the pushing of the battery structure, facilitate the folding of the frame, reduce the volume of the electric bicycle frame, and make it convenient for workers to carry.

[0030] In one embodiment provided by the present invention, Figure 2-3 As shown, a mounting groove 10 is provided on the outer wall of one side of the box body 3, and a cover plate 4 is installed inside the mounting groove 10 by bolts. The cover plate 4 can close the mounting groove 10 to prevent the battery from being exposed to the outside. A plurality of elastic elements 2 17 are installed on one side of the inner wall of the mounting groove 10 by bolts, and a lower pressure plate 11 is installed on the bottom end of the plurality of elastic elements 2 17 by bolts. A groove 2 13 is provided at the center of the outer wall of one side of the box body 3, and a threaded rod 2 14 is installed inside the groove 2 13 by a bearing. The outer thread of the threaded rod 2 14 is connected to a slide plate 15 by a thread. The threaded rod 2 14 is rotated with a tool to make the slide plate 15 slide inside the mounting groove 10, so that the bearing plate 12 and the lower pressure plate 11 are pressed together. The distance between the plates 11 changes, which makes it convenient for the supporting plate 12 and the lower pressure plate 11 to fix and clamp batteries of different sizes, and the slide plate 15 is slidably connected to the inside of the mounting groove 10, and a plurality of elastic elements 16 are installed on the outer wall of one side of the top of the slide plate 15 by bolts. The elastic element 16 and the elastic element 2 17 are both damping springs. The design of the elastic element 16 and the elastic element 2 17 can reduce the vibration of the battery inside the box 3 and avoid the problem of the welding wire on the battery falling off due to the large vibration amplitude. The top of the plurality of elastic elements 16 is installed with the supporting plate 12 by bolts. The supporting plate 12 cooperates with the lower pressure plate 11 to clamp the battery to achieve battery fixation.

[0031] Example 1

[0032] A built-in power-assisted mounting structure for an electric bicycle frame includes a frame assembly 2, the frame assembly 2 is slidably connected to a power assembly 1 on the outside, the frame assembly 2 includes a frame beam 23, and the outer walls on both sides of the frame beam 23 are provided with limit holes 24. The power assembly 1 includes a box body 3, and a mounting seat 5 is integrally formed on the outer wall of one side of the top of the box body 3, and a slide groove 6 is provided on the outer wall of one side of the mounting seat 5. The slide groove 6 facilitates the mounting seat 5 to be installed on the frame beam 23. The frame beam 23 is slidably inserted into the slide groove 6. The mounting seat 5 is provided with two cavities 18 inside, and the two cavities A connecting cavity 22 is provided between the bodies 18, a groove 8 is provided on the outer wall of one side of the mounting seat 5, and a threaded rod 9 is installed inside the groove 8 through a bearing, one end of the threaded rod 9 extends into one of the cavities 18, and the outer thread of the threaded rod 9 is connected to the piston plate 21, and the two cavities 18 are slidably connected with a slider 20, and three latch columns 7 are welded to the outer wall of one side of the slider 20. After the frame beam 23 is unfolded, the mounting seat 5 can be slid to move the power component 1 to the folded structure of the frame component 2, and then the threaded rod 9 can be rotated with a tool. 9, the piston plate 21 can push one of the elastic elements 3 19, and at the same time the piston plate 21 will squeeze the hydraulic oil inside the cavity 18, and the hydraulic oil will push the other slider 20 to move, so that the multiple latch columns 7 slide into the limiting holes 24, so that the mounting seat 5 is firmly installed on the frame beam 23, and the unfolded frame beam 23 is fixed, so that the frame is unfolded for the user to ride. One end of the latch column 7 is inserted into the limiting hole 24, and the outer wall of one side of the slider 20 is welded with the elastic element 3 19. When the frame needs to be folded, the screw is rotated in the opposite direction. The threaded rod 9 will return the piston plate 21 to its original position, so that the hydraulic oil inside the cavity 18 is no longer under stress. Subsequently, under the action of the two elastic elements 3 19, the slider 20 will retract the latch column 7 into the cavity 18, so that the restriction between the mounting seat 5 and the frame beam 23 is released, so that the frame beam 23 can be folded together, and the other end of one of the elastic elements 3 19 is mounted on the outer wall of one side of the piston plate 21 by a bolt, and the other end of the other elastic element 3 19 is mounted on one side of the inner wall of one of the cavities 18 by a bolt.

[0033] Example 2

[0034] This embodiment is further defined on the basis of embodiment 1, wherein a mounting groove 10 is provided on the outer wall of one side of the box body 3, and a cover plate 4 is installed inside the mounting groove 10 by bolts. The cover plate 4 can close the mounting groove 10 to prevent the battery from being exposed to the outside. A plurality of elastic elements 2 17 are installed on one side of the inner wall of the mounting groove 10 by bolts, and a lower pressure plate 11 is installed on the bottom end of the plurality of elastic elements 2 17 by bolts. A groove 2 13 is provided at the center of the outer wall of one side of the box body 3, and a threaded rod 2 14 is installed inside the groove 2 13 by a bearing. The outer surface of the threaded rod 2 14 is threadedly connected to a slide plate 15. The threaded rod 2 14 is rotated with a tool to make the slide plate 15 slide inside the mounting groove 10. The distance between the supporting plate 12 and the lower pressing plate 11 is changed, which facilitates the supporting plate 12 and the lower pressing plate 11 to fix and clamp batteries of different sizes, and the slide plate 15 is slidably connected to the inside of the mounting groove 10, and the outer wall of one side of the top of the slide plate 15 is installed with multiple elastic elements 16 by bolts. The elastic element 16 and the elastic element 2 17 are both damping springs. The design of the elastic element 16 and the elastic element 2 17 can reduce the vibration of the battery inside the box 3, and avoid the problem of the welding wire on the battery falling off due to the large vibration amplitude. The top of the multiple elastic elements 16 is installed with the supporting plate 12 by bolts. The supporting plate 12 cooperates with the lower pressing plate 11 to clamp the battery to achieve battery fixation.

[0035] Working principle: When the device is used as an auxiliary installation structure of the frame, the mounting seat 5 can be slidably sleeved on the frame beam 23 through the design of the slide groove 6. When the frame needs to be unfolded later, the frame beam 23 can be unfolded first. After unfolding, the worker can use a tool to rotate the threaded rod 1 9, which can make the piston plate 21 push one of the elastic elements 3 19. At the same time, the piston plate 21 will squeeze the hydraulic oil inside the cavity 18, and the hydraulic oil will push another slider 20 to move, so that multiple pin columns 7 slide and insert into the limiting holes 24, so that the mounting seat 5 is firmly installed on the frame beam 23, thereby fixing the unfolded frame beam 23 and making the frame unfold for the convenience of riding by the user. When riding, the elastic The design of element one 16 and elastic element two 17 can reduce the vibration of the battery inside the box 3, and avoid the problem of the welding wires on the battery falling off due to the large vibration amplitude. When the frame needs to be folded later, the threaded rod one 9 is rotated in the opposite direction, which will return the piston plate 21 to its original position, so that the hydraulic oil inside the cavity 18 is no longer under stress. Then, under the action of the two elastic elements three 19, the slider 20 will retract the pin column 7 into the cavity 18, so that the restriction between the mounting seat 5 and the frame beam 23 is released, so that the frame beam 23 can be folded together. In addition, this process can slide the mounting seat 5 so that the mounting seat 5 slides to one end of the frame beam 23, preventing the power component 1 from affecting the folding of the frame beam 23.

[0036] The above description is merely illustrative of certain exemplary embodiments of the present invention. It goes without saying that those skilled in the art will be able to modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A built-in power-assisted mounting structure for an electric bicycle frame, comprising a frame assembly (2), characterized in that: The frame assembly (2) is externally slidably connected to the power assembly (1), the frame assembly (2) includes a frame beam (23), and both sides of the outer wall of the frame beam (23) are provided with a limit hole (24), the power assembly (1) includes a box body (3), a mounting seat (5) is integrally formed on the outer wall of one side of the top of the box body (3), and a slide groove (6) is provided on one side of the outer wall of the mounting seat (5), the frame beam (23) is slidably inserted into the inside of the slide groove (6), the mounting seat (5) is provided with two cavities (18), and a connecting cavity (22) is provided between the two cavities (18), a groove (8) is provided on one side of the outer wall of the mounting seat (5), and a screw is installed inside the groove (8) through a bearing. A threaded rod (9), one end of the threaded rod (9) extends to the inside of one of the cavities (18), the threaded rod (9) is externally connected to a piston plate (21), the two cavities (18) are both slidably connected to sliders (20), and three latch columns (7) are welded to the outer wall of one side of the slider (20), one end of the latch column (7) is inserted into the inside of the limiting hole (24), and an elastic element three (19) is welded to the outer wall of one side of the slider (20), and the other end of one elastic element three (19) is mounted on the outer wall of one side of the piston plate (21) by a bolt, and the other end of the other elastic element three (19) is mounted on the inner wall of one of the cavities (18) by a bolt.

2. The built-in power-assisted mounting structure for an electric bicycle frame according to claim 1, characterized in that: An installation groove (10) is provided on an outer wall of one side of the box body (3), and a cover plate (4) is installed inside the installation groove (10) via bolts.

3. The built-in power-assisted mounting structure for an electric bicycle frame according to claim 2, characterized in that: A plurality of elastic elements (17) are mounted on one side of the top of the inner wall of the mounting groove (10) by means of bolts, and a lower pressure plate (11) is mounted on the bottom ends of the plurality of elastic elements (17) by means of bolts.

4. The built-in power-assisted mounting structure for an electric bicycle frame according to claim 2, characterized in that: A second groove (13) is provided at the center of the outer wall of one side of the box body (3), and a second threaded rod (14) is installed inside the second groove (13) through a bearing.

5. The built-in power-assisted mounting structure for an electric bicycle frame according to claim 4, characterized in that: The second threaded rod (14) is externally threadedly connected to a slide plate (15), and the slide plate (15) is slidably connected to the interior of the mounting groove (10).

6. The built-in power-assisted mounting structure for an electric bicycle frame according to claim 5, characterized in that: A plurality of elastic elements (16) are mounted on the outer wall of one side of the top of the slide plate (15) via bolts, and a bearing plate (12) is mounted on the top of the plurality of elastic elements (16) via bolts.

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