Electric bicycle with external battery box

Abstract

The utility model relates to the technical field of electric bicycles, and discloses an electric bicycle with an external battery box, the electric bicycle comprises a frame and the battery box, the frame is provided with a through hole, the battery box is provided with a socket, the frame is provided with a protection box, the protection box is provided with a fixing structure used for fixing the protection box on the frame, and the battery box is arranged in the through hole. The battery box is placed in the protection box, a through hole is formed in the protection box, the battery box is placed in the protection box, the plug penetrates through the penetrating hole and the through hole to be inserted into the socket, the battery box supplies power to the frame through the plug, the battery block is placed in the protection box, and the battery box is protected by the protection box; the battery block is prevented from being damaged due to the condition that the battery block is punctured by sharp objects, and the battery box can be safely and stably positioned on the frame.

Description

Technical Field

[0001] The present application relates to the technical field of electric bicycles, and in particular to an electric bicycle with an external battery box. Background Art

[0002] An electric bicycle is a special bicycle that can achieve functions of human-powered riding, electric power, or electric-assisted power. The battery box of an electric bicycle is usually arranged inside or outside the bicycle frame. The battery block is located inside the battery box to supply power to the electric bicycle. The battery box usually only plays a role in supporting and fixing the battery block.

[0003] In related technologies, an electric bicycle includes a frame and a battery box. The battery box is fixedly connected to the frame. A battery block is detachably connected inside the battery box. A perforation is provided on the frame, and a socket is provided on the battery box. A plug passes through the perforation and is inserted into the socket to realize the power supply of the battery block to the electric bicycle. A charging port is provided on the battery box for charging the battery.

[0004] When the electric bicycle is in the process of riding, the battery box in the electric bicycle may be punctured by sharp objects, so that the battery block may be damaged or even explode, resulting in potential safety hazards for the battery block and affecting the safety of people during the riding process. Summary of the Utility Model

[0005] In order to improve the problem that the battery box is easily damaged, the present application provides an electric bicycle with an external battery box.

[0006] An electric bicycle with an external battery box provided by the present application adopts the following technical solutions:

[0007] An electric bicycle with an external battery box includes a frame and a battery box. A perforation is provided on the frame, a socket is provided on the battery box, a protection box is provided on the frame, a fixing structure for fixing the protection box to the frame is provided on the protection box, the battery box is placed inside the protection box, and a through hole is provided on the protection box.

[0008] By adopting the above technical solutions, the battery box is placed inside the protection box, and the plug passes through the perforation and the through hole and is inserted into the socket, so that the battery box supplies power to the frame through the plug. The battery block is placed inside the protection box, so that the protection box protects the battery box and prevents the battery block from being damaged in case of being punctured by sharp objects, etc., and enables the battery box to be safely and stably located on the frame.

[0009] Optionally, the fixing structure includes a fixing bolt. A fixing hole for the fixing bolt to pass through is provided on the protection box, and a fixing groove for the fixing bolt to be threadedly connected is provided on the frame.

[0010] By adopting the above technical solution, the fixing bolt passes through the fixing hole and is threadedly connected to the fixing groove, enabling the fixing bolt to fix the protection box and the vehicle frame to each other, preventing the protection box from detaching from the vehicle frame and causing the connection between the plug and the battery box to be unstable.

[0011] Optionally, a placing block is provided on the vehicle frame, and a placing groove for inserting the placing block is formed on the protection box. When the placing block is inserted into the placing groove, the fixing hole and the fixing groove are aligned.

[0012] By adopting the above technical solution, by inserting the placing block into the placing groove, the groove wall of the placing groove restricts the placing block, enabling better fixation between the protection box and the vehicle frame; and aligning the fixing hole and the fixing groove, facilitating people to pass the fixing bolt through the fixing hole and threadedly connect it to the fixing groove, enabling people to better fix the protection box.

[0013] Optionally, the surface of the protection box facing the battery box has a receiving protrusion, and a receiving groove is formed on the battery box. When the receiving protrusion is located in the receiving groove, the battery box is fixed within the protection box.

[0014] By adopting the above technical solution, by providing the receiving protrusion on the side of the protection box facing the battery box, the receiving protrusion can be inserted into the receiving groove, and the groove wall of the receiving groove restricts the receiving protrusion, thereby fixing the battery box within the protection box and avoiding the situation where the battery box shakes within the protection box during riding and the plug detaches from the socket.

[0015] Optionally, the protection box includes a box body and a cover body. The cover body is rotatably connected to the box body. The battery box is disposed within the box body, and a locking member for fixing the box body and the cover body is provided on the cover body.

[0016] By adopting the above technical solution, by rotatably connecting the cover body to the box body and adding the mutual locking of the locking member to the box body and the cover body, the battery box can be stably located within the box body, preventing people from directly opening the cover body to move the battery box and enhancing the protection effect on the battery box.

[0017] Optionally, the locking member includes a rotating block and a locking bar. The rotating block is rotatably connected to the box body. The locking bar is provided on the rotating block. A locking groove is formed on the locking bar, and a locking plate for inserting into the locking groove is provided on the cover body. When the locking plate is located within the locking groove, the cover body and the box body are fixed to each other.

[0018] By adopting the above technical solution, by rotatably connecting the rotating block to the box body and providing the locking bar on the rotating block, people can rotate the locking bar through the rotating block, insert the locking plate into the locking groove, thereby realizing the mutual fixation of the locking plate and the locking bar and enabling the cover body and the box body to be fixed to each other.

[0019] Optionally, a password lock structure is provided on the rotating block.

[0020] By adopting the above technical solution, the rotating block is locked by the password lock structure to prevent others from opening the protection box, thereby enhancing the protection effect of the protection box on the battery box.

[0021] Optionally, a first moving groove is formed on the surface of the battery box facing the through hole, and a second moving groove communicating with the first moving groove is formed on the side surface of the battery box. Both the first moving groove and the second moving groove are for the plug to pass through.

[0022] By adopting the above technical solution, the first moving groove communicates with the second moving groove, and both the first moving groove and the second moving groove are for the plug to pass through, enabling the plug to move within the first moving groove and the second moving groove, so that the plug can be inserted into the socket on the upper surface of the battery box, facilitating people to directly insert or pull out the plug from the socket when opening the protection box.

[0023] Optionally, a handle is provided on the battery box.

[0024] By adopting the above technical solution, the handle is provided on the battery box, facilitating people to take out the battery box from the protection box by means of the handle.

[0025] Optionally, two strengthening blocks are provided on the protection box, and the vehicle frame is located between the two strengthening blocks.

[0026] By adopting the above technical solution, with the vehicle frame located between the two strengthening blocks, the connection between the protection box and the vehicle frame can be made more stable, reducing the shaking of the protection box during the running of the electric bicycle and further enhancing the stability of the protection box.

[0027] In summary, the present application includes at least one of the following beneficial technical effects:

[0028] 1. By placing the battery box in the protection box and inserting the plug through the perforation and the through hole into the socket, the battery box powers the vehicle frame through the plug. By placing the battery block in the protection box, the protection box protects the battery box, preventing the battery block from being damaged, such as being punctured by sharp objects, enabling the battery box to be safely and stably located on the vehicle frame.

[0029] 2. By providing the receiving protrusion on the side of the protection box facing the battery box, the receiving protrusion can be inserted into the receiving groove, and the groove wall of the receiving groove restricts the receiving protrusion, thereby fixing the battery box in the protection box and avoiding the situation where the plug detaches from the socket due to the shaking of the battery box in the protection box during riding. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1It is a schematic structural diagram of an embodiment of the present application;

[0031] Figure 2 It is an exploded view highlighting the battery box in an embodiment of the present application;

[0032] Figure 3 It is along Figure 2 A cross-sectional view taken along line A-A in

[0033] Figure 4 It is an exploded view highlighting the through hole in an embodiment of the present application;

[0034] Figure 5 It is an exploded view highlighting the placement block in an embodiment of the present application;

[0035] Figure 6 It is an exploded view highlighting the locking member in an embodiment of the present application;

[0036] Figure 7 It is a schematic structural diagram highlighting the first moving groove in an embodiment of the present application.

[0037] Reference numerals: 1, vehicle frame; 11, placement block; 111, fixing groove; 12, fixing structure; 13, plug; 14, perforation; 2, battery box; 21, socket; 22, handle; 23, charging port; 24, receiving groove; 25, first moving groove; 26, second moving groove; 3, protection box; 31, box body; 311, accommodating groove; 312, receiving protrusion; 313, placement groove; 314, fixing hole; 32, cover body; 33, strengthening block; 34, locking plate; 341, locking groove; 35, through hole; 4, locking member; 41, rotating block; 42, locking bar; 43, password lock structure. Detailed implementation manners

[0038] The following further elaborates on the present application in conjunction with the attached Figure 1-7 for further detailed description of the present application.

[0039] This embodiment discloses an electric bicycle with an external battery box. Referring to Figure 1 and Figure 2 , an electric bicycle with an external battery box includes a vehicle frame 1 and a battery box 2. A handle 22 is fixedly connected to the surface of the battery box 2 to facilitate lifting the battery box 2. A battery block is provided inside the battery box 2, and a charging port 23 is provided on the battery box 2, and the charging port 23 is used to charge the battery block.

[0040] Referring to Figure 2 , a protection box 3 is provided on the vehicle frame 1, and the protection box 3 includes a box body 31 and a cover body 32. The cover body 32 is rotatably connected to the box body 31, and the cover body 32 can completely block the opening of the box body 31. An accommodating groove 311 is formed on the surface of the box body 31, and the battery box 2 can be located in the accommodating groove 311.

[0041] Reference Figure 2 and Figure 3 On the surface of the box body 31, two reinforcing blocks 33 are integrally formed. The distance between the two reinforcing blocks 33 is the width of the vehicle frame 1. That is, when the protection box 3 is installed on the vehicle frame 1, the vehicle frame 1 is located between the two reinforcing blocks 33.

[0042] Reference Figure 3 and Figure 4 On the surface of the box body 31 facing the accommodation groove 311, two accommodation protrusions 312 are integrally formed. On the outer surface of the battery box 2, an accommodation groove 24 for inserting the accommodation protrusions 312 is provided. When the accommodation protrusions 312 are located in the accommodation groove 24, the battery box 2 is fixed in the accommodation groove 311.

[0043] Reference Figure 3 、 Figure 4 and Figure 5 On the surface of the accommodation protrusion 312 away from the accommodation groove 311, a placement groove 313 is formed. On the surface of the vehicle frame 1, two placement blocks 11 are fixedly connected. The placement blocks 11 can be inserted into the placement groove 313. When the placement blocks 11 are inserted into the placement groove 313, the protection box 3 is fixed on the vehicle frame 1.

[0044] Reference Figure 3 、 Figure 4 and Figure 5 On the box body 31, a fixing structure 12 is provided. The fixing structure 12 is used to realize the mutual fixation of the box body 31 and the vehicle frame 1. The fixing structure 12 includes a plurality of fixing bolts. On the surface of the accommodation protrusion 312, a plurality of fixing holes 314 are provided. On the surface of the placement block 11, a plurality of fixing grooves 111 are provided. The fixing bolts can be threadedly connected to the groove wall of the fixing groove 111, and the fixing bolts can pass through the fixing holes 314. The fixing bolts pass through the fixing holes 314 and are threadedly connected into the fixing grooves 111 to realize the mutual fixation of the box body 31 and the vehicle frame 1.

[0045] Reference Figure 6 On the cover body 32, a locking member 4 is provided. The locking member 4 is used to realize the mutual locking of the cover body 32 and the box body 31. The locking member 4 includes a rotating block 41 and a locking bar 42. The rotating block 41 is rotatably connected to the box body 31, and the locking bar 42 is fixedly connected to the rotating block 41. A password lock structure 43 is provided on the rotating block 41. People unlock the password lock structure 43 through the password to realize the rotation of the rotating block 41.

[0046] Reference Figure 6 On the box body 31, a locking plate 34 is fixedly connected. On the surface of the locking bar 42, a locking groove 341 for inserting the locking plate 34 is provided. When the locking plate 34 is inserted into the locking groove 341, the box body 31 and the cover body 32 are mutually fixed. The locking plate 34 is inclined away from the cover body 32 so that the locking plate 34 can be inserted into the locking groove 341.

[0047] Referring to Figure 2 、 Figure 4 and Figure 5 , a socket 21 is provided on the battery box 2, and a plug 13 for inserting into the socket 21 is provided on the vehicle frame 1. When the plug 13 is inserted into the socket 21, the battery block can supply power to the electric bicycle. A perforation 14 is formed on the surface of the vehicle frame 1, and a through hole 35 is formed on the surface of the protection box 3 facing the vehicle frame 1, and both the perforation 14 and the through hole 35 allow the plug 13 to pass through.

[0048] Referring to Figure 2 and Figure 7 , a first moving groove 25 for the plug 13 to pass through is formed on the surface of the battery box 2 where the receiving groove 24 is formed, and a second moving groove 26 for the plug 13 to pass through is formed on the side surface of the battery box 2, and the first moving groove 25 and the second moving groove 26 are communicated with each other.

[0049] Referring to Figure 2 、 Figure 4 、 Figure 5 and Figure 7 , the plug 13 passes through the perforation 14, the through hole 35, the first moving groove 25, and the second moving groove 26, and is inserted into the socket 21 on the surface of the battery box 2 away from the receiving groove 24, so as to realize the power supply of the battery block to the electric bicycle.

[0050] The implementation principle of an electric bicycle with an external battery box according to an embodiment of the present application is: by inputting a password and rotating the rotating block 41, the locking plate 34 is disengaged from the locking groove 341, the cover body 32 is opened, and operations such as charging or replacing the battery box 2 are performed.

[0051] Unless otherwise defined, the technical terms or scientific terms used in the present application should have the ordinary meanings understood by those of ordinary skill in the art to which the present application belongs. The terms "first", "second", "third" and similar terms used in the specification and claims of the present application do not indicate any order, quantity or importance, but are only used to distinguish different components. The terms "a" or "an" and similar terms do not indicate a quantity limitation, but indicate that there is at least one. The terms "including" or "comprising" and similar terms mean that the elements or items appearing before "including" or "comprising" cover the elements or items listed after "including" or "comprising" and their equivalents, and do not exclude other elements or items. The terms "upper", "lower", "left", "right" etc. are only used to represent relative positional relationships, and when the absolute position of the object being described changes, the relative positional relationships may also change accordingly.

[0052] The above are only the preferred embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent replacements, improvements, etc. made within the design concept of the present application shall be included within the protection scope of the present application.

Claims

1. An electric bicycle with an external battery box, comprising a frame (1) and a battery box (2), wherein the frame (1) is provided with a through hole (14), and the battery box (2) is provided with a socket (21), characterized in that: The frame (1) is provided with a protection box (3), the protection box (3) is provided with a fixing structure (12) for fixing the protection box (3) to the frame (1), the battery box (2) is placed in the protection box (3), and the protection box (3) is provided with a through hole (35).

2. The electric bicycle with an external battery box according to claim 1, characterized in that: The fixing structure (12) comprises a fixing bolt, the protection box (3) is provided with a fixing hole (314) for the fixing bolt to pass through, and the frame (1) is provided with a fixing groove (111) for the fixing bolt to be threadedly connected.

3. The electric bicycle with an external battery box according to claim 2, characterized in that: The frame (1) is provided with a placement block (11), and the protection box (3) is provided with a placement slot (313) for inserting the placement block (11), and when the placement block (11) is inserted into the placement slot (313), the fixing hole (314) and the fixing slot (111) are aligned.

4. The electric bicycle with an external battery box according to claim 3, characterized in that: The protective box (3) has a receiving protrusion (312) on the surface facing the battery box (2), and the battery box (2) is provided with a receiving groove (24). When the receiving protrusion (312) is located in the receiving groove (24), the battery box (2) is fixed in the protective box (3).

5. The electric bicycle with an external battery box according to claim 1, characterized in that: The protection box (3) comprises a box body (31) and a cover body (32); the cover body (32) is rotatably connected to the box body (31); the battery box (2) is arranged in the box body (31); and the cover body (32) is provided with a locking member (4) for fixing the box body (31) and the cover body (32).

6. The electric bicycle with an external battery box according to claim 5, characterized in that: The locking member (4) comprises a rotating block (41) and a locking strip (42); the rotating block (41) is rotatably connected to the box body (31); the locking strip (42) is arranged on the rotating block (41); a locking groove (341) is provided on the locking strip (42); a locking plate (34) for inserting into the locking groove (341) is provided on the cover body (32); when the locking plate (34) is located in the locking groove (341), the cover body (32) and the box body (31) are fixed to each other.

7. The electric bicycle with an external battery box according to claim 6, characterized in that: The rotating block (41) is provided with a password lock structure (43).

8. The electric bicycle with an external battery box according to claim 1, characterized in that: A first movable groove (25) is provided on the surface of the battery box (2) facing the through hole (35), and a second movable groove (26) connected to the first movable groove (25) is provided on the side surface of the battery box (2), and the first movable groove (25) and the second movable groove (26) are both for the plug (13) to pass through.

9. The electric bicycle with an external battery box according to claim 1, characterized in that: The battery box (2) is provided with a handle (22).

10. The electric bicycle with an external battery box according to claim 1, characterized in that: The protection box (3) is provided with two reinforcement blocks (33), and the vehicle frame (1) is located between the two reinforcement blocks (33).

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