Folding box mechanism of electric power-assisted folding bicycle

Abstract

The utility model discloses a folding box mechanism of an electric power-assisted folding bicycle, which comprises an upper box body and a lower box body with hollow middle parts, and further comprises a handle, the lower box body is buckled with the upper box body, the end part of the handle is movably connected with the end part of the lower box body, the joint of the handle and the lower box body is positioned on the opposite side of the joint of the lower box body and the upper box body, and the handle is movably connected with the end part of the lower box body. A plate button and a spring bolt are installed on the handle, the plate button is rotationally connected with the handle, a protruding block is arranged on the button portion of the plate button and connected with a push block in the spring bolt, when the plate button rotates, the push block drives the spring bolt to be separated from a lock catch at the position of the upper box body, and a reset spring is arranged in the spring bolt. When the folding box is used, a person stands on the left side of the electric bicycle, holds the handle of the folding box by hand, opens the safety lock mechanism along with gestures and simultaneously applies force in the same direction to open the folding box, so that the folding box is more in accordance with ergonomics in operation.

Description

Technical Field

[0001] The utility model relates to the technical field of electric assisted bicycles, and particularly relates to a folding box mechanism of an electric assisted folding bicycle. Background Art

[0002] An electric assisted bicycle refers to a mechatronic personal transportation vehicle that uses a battery as an auxiliary energy source and is based on an ordinary bicycle, with a motor, a controller, a battery, a throttle grip, a brake lever and other control components and a display instrument system installed. With the progress of technology and the convenient travel needs of people, foldable bicycles have become more and more popular, especially more widely used in the field of driving services.

[0003] An electric assisted folding bicycle is equipped with a battery pack, which provides power for the electric bicycle and is installed inside the bicycle tube. When the battery pack needs to be removed for charging, the folding device needs to be opened to take out the battery pack. The folding device is an important component connecting the front and rear ends of the electric assisted bicycle. To ensure the safety of the electric assisted bicycle during riding, the folding box is equipped with a two-way locking mechanism, that is, it has the functions of opening and locking. At present, the opening and closing force directions of the safety locking mechanism of the existing folding box are at 90 degrees. The opening and closing of the safety lock is forward, and the opening and closing of the handle is to the right. It can be seen that while ensuring the locking strength, it is relatively laborious to open, which does not conform to the optimal ergonomic mechanism design.

[0004] Therefore, how to solve the deficiencies of the above existing technologies has become the subject to be studied and solved in this application. Summary of the Utility Model

[0005] In view of this, the purpose of the utility model is to provide a folding box mechanism of an electric assisted folding bicycle.

[0006] To achieve the above purpose, the technical scheme adopted by the utility model is:

[0007] A folding box mechanism of an electric assisted folding bicycle, comprising:

[0008] An upper box body, the middle part of which is hollow;

[0009] A lower box body, the middle part of which is hollow. The lower box body is located below the upper box body, and the lower box body is buckled with the upper box body, and the ends of the lower box body and the upper box body on the same side are movably connected;

[0010] A handle, which is movably connected to the end of the lower box body. The connection between the handle and the lower box body is located on the opposite side of the connection between the lower box body and the upper box body. A plate twist and a locking tongue are installed on the handle. The plate twist is rotatably connected to the handle. A convex block is provided on the twisting part of the plate twist, and the convex block is connected to a push block inside the locking tongue. When the plate twist rotates, the push block drives the locking tongue to disengage from the lock catch at the upper box body. A return spring is provided inside the locking tongue.

[0011] Further, both ends of the plate twist are installed on a fixed bracket. Both ends of the plate twist are rotatably connected to the fixed bracket, and the fixed bracket is fixed to the handle by a first bolt.

[0012] Further, a through hole adapted to the shape of the plate part of the plate twist is provided on the handle.

[0013] Further, waist-shaped holes are provided at both ends of the locking tongue, and second bolts are provided at each waist-shaped hole.

[0014] Further, a plurality of upper shaft seats are convexly provided at the edge of the connection end of the upper box body and the lower box body. A plurality of lower shaft seats are convexly provided at the edge of the connection end of the lower box body and the upper box body. Each upper shaft seat and each lower shaft seat are distributed on the same straight line, and each upper shaft seat and each lower shaft seat are hinged by a first pin shaft axially penetrating.

[0015] Further, the tail part of the handle is hinged to the end of the lower box body by a second pin shaft.

[0016] Further, a vacancy is provided at the end of the upper box body. A rotating shaft and a spring sleeved on the rotating shaft are installed at the vacancy. A folding screw is installed on the rotating shaft, and the folding screw abuts against the handle.

[0017] Further, gaskets are installed at each second bolt.

[0018] Compared with the prior art, the advantages of the present utility model are as follows: The opening and closing of the safety lock mechanism on the handle is consistent with the force direction of the opening and closing of the handle. When a person stands on the left side of an electric bicycle and holds the handle of the folding box, first opens the safety lock mechanism along with the gesture, and applies force in the same direction at the same time, and then opens the folding box smoothly. The operation is more in line with ergonomics. This application uses a push-twist mechanism to change the force application direction, making the opening and closing of the folding box more convenient, changing the operation discomfort brought by the current structure, and designing to increase damping to make the opening and closing feel more comfortable. At the same time, this application uses non-metallic and metallic materials, which are light in weight, can ensure strength while improving the processing and manufacturing efficiency and reducing costs. Description of the Drawings

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0020] Attached Figure 1 is a schematic structural diagram of an embodiment of the present application;

[0021] Attached Figure 2 is a schematic top view of an embodiment of the present application;

[0022] Attached Figure 3 is a schematic side view of an embodiment of the present application.

[0023] Description of the reference numerals and components involved in the drawings:

[0024] 1. Upper box body; 11. Upper shaft seat; 12. Rotating shaft; 13. Spring; 14. Folding screw; 15. Lock; 2. Lower box body; 21. Lower shaft seat; 3. Handle; 31. Plate torsion; 32. Lock tongue; 33. Fixed bracket; 34. Protrusion; 35. Waist-shaped hole; 36. Second bolt; 37. Gasket; 4. Push block; 5. Return spring. Specific embodiments

[0025] The following will clearly and completely describe the technical solutions of the present invention through specific embodiments. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0026] See attached Figures 1 to 3As shown in the figure, a folding box mechanism of an electric assist folding bicycle according to the present application includes an upper box body 1, a lower box body 2, and a handle 3. The middle part of the upper box body 1 is hollow, and the middle part of the lower box body 2 is also hollow. The lower box body 2 is located below the upper box body 1, and the lower box body 2 and the upper box body 1 are buckled together. A plurality of upper shaft seats 11 are convexly provided at the edge of the connection end of the upper box body 1 and the lower box body 2, and a plurality of lower shaft seats 21 are convexly provided at the edge of the connection end of the lower box body 2 and the upper box body 1. Each upper shaft seat 11 and each lower shaft seat 21 are distributed on the same straight line, and each upper shaft seat 11 and each lower shaft seat 21 are hinged by axially penetrating a first pin shaft. The handle tail of the handle 3 and the end of the lower box body 2 are connected by a second pin shaft, and the connection part of the handle 3 and the lower box body 2 is located on the opposite side of the connection part of the lower box body 2 and the upper box body 1. A plate twist 31 and a lock tongue 32 are installed on the handle 3. Both ends of the plate twist 31 are installed on the handle 3 through a fixed bracket 33. The plate twist 31 is divided into a twist part and a plate part, and the twist part is a rotating shaft. The fixed bracket 33 is an L-shaped bracket. The bottom bracket of the L-shaped bracket is fixed on the handle 3 by bolts, and a through hole is provided on the side bracket of the L-shaped bracket. The twist part on the twist plate 31 passes through the through hole, and the twist plate 31 is rotatably connected to each fixed bracket 33, that is, the twist plate 31 can be toggled on the fixed bracket 33. There is a convex block 34 at the twist part of the twist plate 31. The lock tongue 32 is located on one side of the twist plate 31 close to the twist part. Waist-shaped holes 35 are provided at both ends of the lock tongue 32, second bolts 36 are installed at the waist-shaped holes 35, and copper washers 37 are also installed at the second bolts 36. A push block 4 and a return spring 5 are arranged inside the lock tongue 32. The upper part of the push block 4 abuts against the lock tongue 32, and the lower part abuts against the convex block 34. When the plate twist 31 rotates, the push block 4 drives the lock tongue 32 to disengage from the lock catch 15 on the upper box body 1. Therefore, when it is necessary to open the folding box, open the first safety lock mechanism, that is, pull the plate twist 31 outwards, the push block 4 drives the lock tongue 32 to move backwards. At this time, the lock tongue 32 disengages from the lock catch 15, and the lock tongue 32 moves backwards, and the first safety lock mechanism is opened. The return spring 5 inside the lock tongue 32 can drive the lock tongue 32 back to the original position after the lock tongue 32 disengages from the lock catch 15.

[0027] A vacancy is provided at the end of the upper box body 1, a rotating shaft 12 and a spring 13 sleeved on the rotating shaft are installed at the vacancy, a folding screw 14 is installed on the rotating shaft 11, and the folding screw 14 abuts against the handle 3. When opening the second safety lock mechanism, continue to apply force to the handle 3, the handle 3 disengages from the position of the folding screw 14, and the folding box opens. Therefore, the opening mechanism of the present application is that when a person stands on the left side of the electric bicycle and holds the handle 3 of the folding box, first open the first safety lock mechanism, and apply force in the same direction at the same time, and then open the folding box smoothly. The operation is more in line with ergonomics. The present application uses a push-twist mechanism to change the force application direction, making it more convenient to open and close the folding box, changing the operation discomfort brought by the current structure, and designing to increase damping to make the opening and closing feel more comfortable. That is, the opening and closing force application directions of the first safety lock mechanism and the second safety lock mechanism of the present application are the same.

[0028] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present utility model. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present utility model. Therefore, the present utility model will not be limited to these embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A folding box mechanism for an electric assist folding bicycle, characterized in that, Comprising: An upper box body, the middle part of the upper box body being hollow; A lower box body, the middle part of the lower box body being hollow, the lower box body being located below the upper box body, the lower box body being buckled with the upper box body, and the ends of the lower box body and the upper box body on the same side being movably connected; A handle, the handle being movably connected to the end of the lower box body, the connection between the handle and the lower box body being located on the opposite side of the connection between the lower box body and the upper box body; a plate twist and a lock tongue are installed on the handle, the plate twist being rotatably connected to the handle, a convex block being provided on the twisting part of the plate twist, and the convex block connecting a push block inside the lock tongue; when the plate twist rotates, the push block drives the lock tongue to disengage from the lock catch at the upper box body; a return spring is provided inside the lock tongue.

2. The folding box mechanism of an electric-assisted folding bicycle according to claim 1, characterized in that, Both ends of the plate twist are installed on a fixed bracket, both ends of the plate twist being rotatably connected to the fixed bracket, and the fixed bracket being fixed to the handle by a first bolt.

3. The folding box mechanism of an electrically assisted folding bicycle according to claim 1, characterized in that, A through hole adapted to the shape of the plate part of the plate twist is provided on the handle.

4. The folding box mechanism of an electric assist folding bicycle according to claim 1, characterized in that, Waist-shaped holes are provided at both ends of the lock tongue, and second bolts are provided at each of the waist-shaped holes.

5. The folding box mechanism of an electric assist folding bicycle according to claim 1, characterized in that, A plurality of upper shaft seats are convexly provided at the edge of the connection end of the upper box body and the lower box body, a plurality of lower shaft seats are convexly provided at the edge of the connection end of the lower box body and the upper box body, each of the upper shaft seats and each of the lower shaft seats are distributed on the same straight line, and each of the upper shaft seats and each of the lower shaft seats are hinged by a first pin shaft axially penetrating therethrough.

6. The folding box mechanism of an electrically assisted folding bicycle according to claim 1, characterized in that, The tail of the handle is hinged to the end of the lower box body by a second pin shaft.

7. The folding box mechanism of an electrically assisted folding bicycle according to claim 1, characterized in that, A vacancy is provided at the end of the upper box body, a rotating shaft and a spring sleeved on the rotating shaft are installed at the vacancy, a folding screw is installed on the rotating shaft, and the folding screw abuts against the handle.

8. The folding box mechanism of an electric-assisted folding bicycle according to claim 4, characterized in that, Gaskets are installed at each of the second bolts.

Images