Electric bicycle battery body tube structure and assembly method thereof

Abstract

The invention discloses an electric bicycle battery body tube structure and an assembly method thereof, which comprises a body tube and a battery pack, wherein the body tube is provided with an installation port, an upper cover, a lower cover and a wiring cavity are provided in the body tube, the upper cover is located at one end of the installation port and is detachably connected to the body tube, the lower cover is located at the other end of the installation port and is detachably connected to the body tube, the body tube, the upper cover and the lower cover constitute a battery cavity, the battery pack is installed in the battery cavity through the installation port, one end of the battery pack is detachably connected to the upper cover, the other end of the battery pack is detachably connected to the lower cover, a groove one is provided on the inner side wall of the battery cavity, a through hole is provided at the bottom of the groove one, a wire pressing plate matching the groove one is provided in the groove one, one end of the wire pressing plate is detachably connected to the upper cover, and the other end of the wire pressing plate is detachably connected to the lower cover. The beneficial effects of the invention are: low manufacturing cost.

Description

Technical Field

[0001] The invention relates to the technical field related to electric bicycles, and in particular to an electric bicycle battery body tube structure and an assembling method thereof. Background Art

[0002] An electric bicycle is a mechatronic personal transportation vehicle that uses a battery as an auxiliary energy source and is based on an ordinary bicycle and is equipped with a motor, controller, battery, handlebar and other operating components and a display instrument system.

[0003] However, the wire pressing plate on the existing electric bicycle is often fixedly connected to the body tube, and the wire pressing plate cannot be disassembled. Moreover, when a line in the wiring cavity fails, it cannot be repaired by disassembling the wire pressing plate. Summary of the invention

[0004] The invention aims to overcome the defect in the prior art that the internal circuit of an electric bicycle cannot be repaired by disassembling a wire pressing plate, and provides an electric bicycle battery body tube structure and an assembly method thereof that can repair the internal circuit by disassembling a wire pressing plate.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A battery body tube structure for an electric bicycle comprises a body tube and a battery pack, wherein the body tube is provided with a mounting opening, an upper cover, a lower cover and a wiring cavity are arranged in the body tube, the upper cover is located at one end of the mounting opening and is detachably connected to the body tube, the lower cover is located at the other end of the mounting opening and is detachably connected to the body tube, the body tube, the upper cover and the lower cover constitute a battery cavity, the battery pack is installed in the battery cavity through the mounting opening, one end of the battery pack is detachably connected to the upper cover, the other end of the battery pack is detachably connected to the lower cover, a groove 1 is arranged on the inner side wall of the battery cavity, a through hole is arranged at the bottom of the groove 1, the battery cavity is connected to the wiring cavity through the through hole, a wire pressing plate matching the groove 1 is arranged in the groove 1, one end of the wire pressing plate is detachably connected to the upper cover, and the other end of the wire pressing plate is detachably connected to the lower cover.

[0007] A mounting opening is provided on the body tube, and an upper cover, a lower cover and a wiring cavity are provided in the body tube. The upper cover is located at one end of the mounting opening and is detachably connected to the body tube, and the lower cover is located at the other end of the mounting opening and is detachably connected to the body tube. The body tube, the upper cover and the lower cover constitute a battery cavity, and the battery pack is installed in the battery cavity through the mounting opening, one end of the battery pack is detachably connected to the upper cover, and the other end of the battery pack is detachably connected to the lower cover. A groove one is provided on the inner side wall of the battery cavity, and a through hole is provided at the bottom of the groove one. The battery cavity is connected to the wiring cavity through the through hole. A wire pressing plate matching the groove one is provided in the groove one, and one end of the wire pressing plate is detachably connected to the upper cover, and the other end of the wire pressing plate is detachably connected to the lower cover. One end of the battery pack is detachably connected to the upper cover, and the other end of the battery pack is detachably connected to the lower cover, which is convenient for maintenance and replacement of the battery pack; the wire pressing plate can be subjected to a variety of surface treatment methods, such as painting, anode and brushing, etc.; the wire pressing plate isolates the wiring cavity and the battery cavity to improve safety performance. At the same time, one end of the wire pressing plate is detachably connected to the upper cover, and the other end of the wire pressing plate is detachably connected to the lower cover, so that the purpose of repairing the internal circuit can be achieved by disassembling the wire pressing plate.

[0008] Preferably, the battery pack includes a battery pack body, an upper end cover, a lower end cover and a panel matching the body tube shape, one end of the upper end cover is sealed and connected to the battery pack body, the other end of the upper end cover is detachably connected to the upper cover, one end of the lower end cover is detachably connected to the lower cover, the other end of the lower end cover is sealed and connected to the battery pack body, one end of the battery pack body is sealed and connected to the upper end cover, the other end of the battery pack body is sealed and connected to the lower end cover, and the panel is installed on the side of the battery pack body and is detachably connected to the battery pack body. The upper end cover and the lower end cover are both sealed and connected to the battery pack, which is conducive to improving the waterproofness of the battery pack, thereby extending the service life of the battery pack and saving replacement costs; the panel can be implemented with a variety of surface treatment methods, such as painting, anode and wire drawing, etc., and the panel can be milled and punched in various shapes and patterns to meet the aesthetic and use needs of different consumers, so that the panel is detachably connected to the battery pack body, which is convenient for consumers to replace the panel according to their own preferences without replacing the entire battery pack, which greatly saves the purchase cost while meeting the preferences of consumers.

[0009] Preferably, a guide block is provided at one end of the upper end cover that is detachably connected to the upper cover, one end of the guide block is connected to the upper end cover, the other end of the guide block is provided with a guide slope, the upper cover is provided with an assembly groove 1 that matches the guide block, and the battery pack body is installed in the upper cover through the end of the guide block provided with the guide slope that matches the assembly groove 1. After one end of the battery pack is installed on the lower cover through the lower end cover, the other end of the battery pack is inserted into the upper cover through the guide block on the upper end cover, and the design of the guide slope on the guide block has a guiding effect during this installation process; the body tube is provided with a battery box lock, and when the battery pack is installed in the body tube, the battery box lock helps to improve the safety and anti-theft performance of the battery pack.

[0010] As a preferred embodiment, the lower end cover is provided with a charging port 1 and a discharge column, the charging port 1 is located on the side of the discharge column, the body tube is provided with a charging port 2, the charging port 2 is electrically connected to the battery pack body through the charging port 1, one end of the discharge column is fixedly connected to the lower end cover, the other end of the discharge column is provided with a discharge end, the lower cover is provided with a mounting groove 2 matching the discharge column, the battery pack body is installed in the lower cover through the discharge column on the lower end cover matching the mounting groove 2, the bottom of the mounting groove 2 is provided with a discharge socket matching the discharge end, and the battery pack body is electrically connected to the external circuit through the discharge end matching the discharge socket. When charging, the user only needs to insert the external charging plug into the charging port 2 to complete the charging of the battery pack body, and there is no need to remove the battery pack, which is not only convenient for charging but also greatly saves time; the discharge end on the discharge column matches the discharge socket and is electrically connected to the drive module in the external circuit of the bicycle, which is convenient for providing power to the bicycle. At the same time, when installing the battery pack, it is first inserted into the lower cover through the discharge column, and then the upper end cover is pressed down and installed into the upper cover through the guide block. The design of the discharge column facilitates the installation and fixation of the battery pack, and the installation is convenient and quick.

[0011] As a preferred embodiment, the panel is in a U-shape, the battery pack body, the upper end cover, the guide block and the lower end cover are all in contact with the inner surface of the panel, a light-transmitting plate is provided on the guide block, a power indicator column corresponding to the position of the light-transmitting plate is provided in the guide block, a mounting hole matching the light-transmitting plate is provided on the panel, the light-transmitting plate is installed in the mounting hole, a switch button is provided on the light-transmitting plate, the switch button is electrically connected to the battery pack body, a flange is provided at the open end of the panel, the flange is located on the inner surface of the panel, an L-shaped groove matching the flange is provided on the battery pack body, and the panel is mounted on the battery pack body through the flange matching the L-shaped groove. The power indicator column displays the power of the battery pack, and the user can directly see the change of the power indicator through the light-transmitting plate, so that the battery pack can be charged in time when the power is about to run out; the switch button is installed on the light-transmitting plate, which is not only good for the appearance, but also convenient for the user to disconnect the circuit in time through the switch button when the user finds that the power is about to run out; the panel is installed on the battery pack body through the flange matching the L-shaped groove, realizing the detachable connection between the panel and the battery pack body, thereby facilitating the replacement of the panel.

[0012] Preferably, the wire pressing plate includes pressing plate 1 and pressing plate 2, the edges of the upper cover and the lower cover are both provided with convex ribs, the middle part of pressing plate 1 and the middle part of pressing plate 2 are both provided with groove 2 matching with the convex rib, pressing plate 1 and pressing plate 2 are both installed in groove 1, one end of pressing plate 1 is slidably connected to the inside of pressing plate 2 and is provided with a spring, pressing plate 1 is elastically connected to the inside of pressing plate 2 through the spring, the upper cover is provided with a mounting groove matching with pressing plate 1, the convex rib on the upper cover is located in the mounting groove, the other end of pressing plate 1 is detachably connected to the upper cover through the mounting groove, a fixing hole is provided at the bottom of groove 2 on pressing plate 2, the convex rib on the lower cover is provided with a fixing convex strip matching with the fixing hole, one end of pressing plate 2 is installed on the lower cover through the fixing hole matching with the fixing convex strip, and the other end of pressing plate 2 is slidably connected to pressing plate 1. The wire pressing plate is formed by sliding connection of a pressure plate 1 and a pressure plate 2, which is conducive to adjusting the length of the wire pressing plate through the pressure plate 1 and the pressure plate 2 according to the different battery capacities to meet the assembly requirements, thereby reducing the manufacturing cost; the convex rib matches the groove 2 on the pressure plate 1 and the pressure plate 2, and plays a certain limiting role in the width direction of the pressure plate 1 and the pressure plate 2; when installing the wire pressing plate on the upper cover and the lower cover, the user first inserts one end of the pressure plate 1 into the installation groove, and then slides the pressure plate 2 to one side of the pressure plate 1, so that the pressure plate 2 is installed at a suitable length position through the fixing hole to match the fixing convex strip on the lower cover, and finally the upper cover, the lower cover, the pressure plate 1 and the pressure plate 2 are installed to the corresponding positions in the vehicle body tube, and the pressure plate 1 and the pressure plate 2 are clamped in the length direction under the action of the spring, thereby improving the position stability of the pressure plate 1 and the pressure plate 2, and facilitating installation and disassembly.

[0013] As another preferred embodiment, the wire pressing plate includes pressing plate 1 and pressing plate 2, the edges of the upper cover and the lower cover are both provided with convex ribs, the middle part of pressing plate 1 and the middle part of pressing plate 2 are both provided with groove 2 matching the convex rib, pressing plate 1 and pressing plate 2 are both installed in groove 1, the bottom of groove 2 on pressing plate 1 and the bottom of groove 2 on pressing plate 2 are both provided with fixing holes, the convex ribs of the upper cover and the convex ribs of the lower cover are both provided with fixing convex strips matching the fixing holes, one end of pressing plate 1 is slidably connected to the inside of pressing plate 2 and is provided with a spring, pressing plate 1 is elastically connected to the inside of pressing plate 2 through the spring, the other end of pressing plate 1 is installed on the upper cover through the corresponding fixing hole matching the fixing convex strip, one end of pressing plate 2 is installed on the lower cover through the corresponding fixing hole matching the fixing convex strip, and the other end of pressing plate 2 is slidably connected to pressing plate 1. The wire pressing plate is formed by sliding connection of a pressing plate 1 and a pressing plate 2, which is beneficial for adjusting the length of the wire pressing plate through the pressing plate 1 and the pressing plate 2 according to different battery capacities to meet assembly requirements, thereby reducing manufacturing costs; the convex rib matches the groove 2 on the pressing plate 1 and the pressing plate 2, and plays a certain limiting role in the width direction of the pressing plate 1 and the pressing plate 2; when installing the wire pressing plate on the upper cover and the lower cover, the user first matches the pressing plate 1 with the fixed convex strip on the upper cover through the fixing hole, and then slides the pressing plate 2 to one side of the pressing plate 1, so that the pressing plate 2 is matched with the fixed convex strip on the lower cover through the fixing hole at a suitable length position, and finally installs the upper cover, the lower cover, the pressing plate 1 and the pressing plate 2 to the corresponding positions in the vehicle body tube, and the pressing plate 1 and the pressing plate 2 are clamped in the length direction under the action of the spring, thereby improving the position stability of the pressing plate 1 and the pressing plate 2, and facilitating installation and disassembly.

[0014] Preferably, both ends of the battery pack body are provided with sealing connectors, one end of the battery pack body is sealedly connected to the upper end cover through the sealing connector, and the other end of the battery pack body is sealedly connected to the lower end cover through the sealing connector, one end of the battery pack body is provided with a mounting strip 1 that matches the inner edge of the upper end cover, one end of the mounting strip 1 is fixedly connected to the battery pack body, and the other end of the mounting strip 1 is located inside the upper end cover, and the other end of the battery pack body is provided with a mounting strip 2 that matches the inner edge of the lower end cover, one end of the mounting strip 2 is fixedly connected to the battery pack body, and the other end of the mounting strip 2 is located inside the lower end cover. The mounting strip 1 facilitates the matching installation of one end of the battery pack body with the upper end cover, facilitates the initial positioning of the upper end cover, and has a certain sealing performance; the mounting strip 2 facilitates the matching installation of the other end of the battery pack body with the lower end cover, facilitates the initial positioning of the lower end cover, and has a certain sealing performance.

[0015] Preferably, the sealing connector includes an I-shaped sealing ring and a plurality of clamping screws, both ends of the battery pack body are provided with sealing grooves and a plurality of connecting grooves evenly distributed along the circumference of the battery pack body, the I-shaped sealing ring is installed in the sealing groove, one end of the battery pack body is sealed and connected to the upper end cover through the I-shaped sealing ring, and the other end of the battery pack body is sealed and connected to the lower end cover through the I-shaped sealing ring, the sealing groove on the end of the battery pack body sealed and connected to the upper end cover is located between the first mounting strip and the corresponding connecting groove, the sealing groove on the end of the battery pack body sealed and connected to the lower end cover is located between the second mounting strip and the corresponding connecting groove, the upper end cover and the lower end cover are both provided with connecting blocks matching the corresponding connecting grooves, the connecting blocks are provided with adjustment holes matching the clamping screws, and the battery pack body is provided with a plurality of clamping screws. Both ends of the body are provided with a plurality of threaded holes matching the clamping screws, the positions of the threaded holes correspond to the positions of the adjustment holes one by one, one side of the adjustment hole is close to the battery pack body, and the other side of the adjustment hole is far away from the battery pack body, and an inclined surface is provided on the side of the adjustment hole close to the battery pack body, one end of the inclined surface is close to the threaded hole, and the other end of the inclined surface is far away from the threaded hole, and the shortest distance from the end of the inclined surface far away from the threaded hole to the battery pack body is greater than the shortest distance from the end of the inclined surface close to the threaded hole to the battery pack body, and the clamping screw is threadedly connected to the battery pack body through the threaded hole, and the end of the clamping screw is located in the adjustment hole corresponding to it, and the inclined surface is located on one side of the adjustment hole, and the shortest distance from the end of the inclined surface far away from the threaded hole to the other side corresponding to the adjustment hole is greater than the diameter of the clamping screw. When the user uses a tool to tighten the clamping screw, the clamping screw moves downward and cooperates with the adjustment hole on the connecting block to reduce the gap between one end of the battery pack body and the upper end cover, or the gap between the other end of the battery pack body and the lower end cover, so that the I-shaped sealing ring is compressed, which greatly improves the sealing performance.

[0016] The present invention also provides an assembly method for an electric bicycle battery body tube, comprising the following steps:

[0017] Step 1: assemble one end of the battery pack body into the upper end cover through the mounting strip 1 for preliminary positioning, and then use a tool to tighten the clamping screw to connect the battery pack body and the upper end cover. At the same time, the corresponding I-shaped sealing ring is compressed by the battery pack body and the upper end cover;

[0018] Step 2: Assemble the other end of the battery pack body into the lower end cover through the second mounting strip for preliminary positioning, and then use a tool to tighten the clamping screw to connect the battery pack body and the lower end cover. At the same time, the corresponding I-shaped sealing ring is compressed by the battery pack body and the lower end cover;

[0019] Step 3: Insert one end of the panel into the L-shaped groove through the flange, then pass the light-transmitting plate through the mounting hole on the panel, and insert the other end of the panel into the L-shaped groove through the flange to complete the installation of the panel;

[0020] Step 4: Install the guide block on the upper end cover;

[0021] Step 5: Install the end of the first pressing plate on the upper cover first, then slide the second pressing plate to one side of the first pressing plate, so that the second pressing plate is matched with the lower cover at a suitable length, and install the first pressing plate and the second pressing plate in the groove one, and install the upper cover and the lower cover at the corresponding positions in the body tube;

[0022] Step six, insert one end of the battery pack body after the upper end cover, lower end cover and panel are installed into the assembly groove 2 on the lower cover through the discharge column on the lower end cover, and then install the guide block on the upper end cover into the assembly groove 1 on the upper cover. The battery pack is easy and quick to install, and the panel is installed by flanging to match the L-shaped groove on the battery pack body, which is convenient for panel replacement; the wire pressing plate is formed by sliding connection of the first and second pressure plates, which is conducive to adjusting the length of the wire pressing plate through the first and second pressure plates according to the different battery capacities to meet the assembly requirements and reduce the manufacturing cost; at the same time, one end of the wire pressing plate is detachably connected to the upper cover, and the other end of the wire pressing plate is detachably connected to the lower cover, so that the purpose of being able to repair the internal circuit by disassembling the wire pressing plate is achieved.

[0023] The beneficial effects of the present invention are: low manufacturing cost; easy maintenance and replacement of the battery pack; high sealing and waterproofness of the battery pack, thereby extending the service life of the battery pack and saving replacement costs; and convenient for consumers to replace the panel according to their own preferences. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the structure of the present invention;

[0025] Figure 2 yes Figure 1 Bottom view of

[0026] Figure 3 yes Figure 1 A top view of

[0027] Figure 4 yes Figure 1 Sectional view of AA in the middle;

[0028] Figure 5 yes Figure 1 Left view of

[0029] Figure 6 It is a schematic diagram of the structure of the body tube;

[0030] Figure 7 It is a structural schematic diagram of a first embodiment of a wire pressing plate;

[0031] Figure 8 It is a structural schematic diagram of a second embodiment of a wire pressing plate;

[0032] Fig. 9It is a schematic diagram of the structure of the battery pack;

[0033] Fig.10 yes Fig. 9 Bottom view of

[0034] Fig.11 yes Fig. 9 Cross-sectional view of the middle BB;

[0035] Fig.12 yes Figure 4 The enlarged view of point A in the middle;

[0036] Fig.13 yes Fig. 9 Left view of

[0037] Fig.14 yes Figure 4 The enlarged view of point B in the middle;

[0038] Fig.15 yes Fig. 9 Cross-sectional view of CC;

[0039] Fig.16 yes Fig. 9 Right view of;

[0040] Fig.17 yes Figure 7 Enlarged view of point C in the middle;

[0041] Fig.18 yes Fig.11 Enlarged view of point D in the middle.

[0042] In the figure: 1. Body tube, 2. Battery pack, 3. Mounting port, 4. Upper cover, 5. Lower cover, 6. Wiring cavity, 7. Battery cavity, 8. Groove 1, 9. Through hole, 10. Wire pressing plate, 11. Pressing plate 1, 12. Pressing plate 2, 13. Battery pack body, 14. Upper end cover, 15. Lower end cover, 16. Panel, 17. Guide block, 18. Guide slope, 19. Assembly groove 1, 20. Charging port 1, 21. Discharge column, 22. Charging port 2, 23. Assembly groove 2, 24. Discharge socket , 25. discharge end, 26. light-transmitting plate, 27. mounting hole, 28. switch button, 29. flange, 30. L-shaped groove, 31. convex rib, 32. groove two, 33. fixing hole, 34. fixing convex strip, 35. mounting groove, 36. mounting strip one, 37. mounting strip two, 38. I-shaped sealing ring, 39. clamping screw, 40. sealing groove, 41. connecting groove, 42. connecting block, 43. adjusting hole, 44. threaded hole, 45. inclined surface. DETAILED DESCRIPTION

[0043] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments.

[0044] 1. As Figure 1 , Figure 2 and Figure 3 In the embodiment described, an electric bicycle battery body tube structure includes a body tube 1 and a battery pack 2, such as Figure 4 , Figure 5 and Figure 6 As shown, the vehicle body tube 1 is provided with a mounting opening 3, and the vehicle body tube 1 is provided with an upper cover 4, a lower cover 5 and a wiring cavity 6. The upper cover 4 is located at one end of the mounting opening 3 and is detachably connected to the vehicle body tube 1, and the lower cover 5 is located at the other end of the mounting opening 3 and is detachably connected to the vehicle body tube 1. The vehicle body tube 1, the upper cover 4 and the lower cover 5 constitute a battery cavity 7. The battery pack 2 is installed in the battery cavity 7 through the mounting opening 3. One end of the battery pack 2 is detachably connected to the upper cover 4, and the other end of the battery pack 2 is detachably connected to the lower cover 5. Figure 5 As shown, a groove 8 is provided on the inner wall of the battery cavity 7, a through hole 9 is provided at the bottom of the groove 8, the battery cavity 7 is connected with the wiring cavity 6 through the through hole 9, a wire pressing plate 10 matching with the wire pressing plate 10 is provided in the groove 8, one end of the wire pressing plate 10 is detachably connected to the upper cover 4, and the other end of the wire pressing plate 10 is detachably connected to the lower cover 5.

[0045] like Figure 4 ,like Fig. 9 , Fig.10 and Fig.11 As shown, the battery pack 2 includes a battery pack body 13, an upper end cover 14, a lower end cover 15 and a panel 16 matching the shape of the vehicle body tube 1, one end of the upper end cover 14 is sealed and connected to the battery pack body 13, the other end of the upper end cover 14 is detachably connected to the upper cover 4, one end of the lower end cover 15 is detachably connected to the lower cover 5, the other end of the lower end cover 15 is sealed and connected to the battery pack body 13, one end of the battery pack body 13 is sealed and connected to the upper end cover 14, the other end of the battery pack body 13 is sealed and connected to the lower end cover 15, and the panel 16 is installed on the side of the battery pack body 13 and is detachably connected to the battery pack body 13.

[0046] like Figure 6 , Fig.10 and Fig.12 As shown, a guide block 17 is provided at one end of the upper end cover 14 which is detachably connected to the upper cover 4, one end of the guide block 17 is connected to the upper end cover 14, the other end of the guide block 17 is provided with a guide slope 18, and an assembly groove 19 matching the guide block 17 is provided on the upper cover 4. The battery pack body 13 is installed in the upper cover 4 through the end of the guide block 17 with the guide slope 18 matching the assembly groove 19.

[0047] like Fig.13 As shown, the lower end cover 15 is provided with a charging port 20 and a discharge column 21, and the charging port 20 is located on the side of the discharge column 21. Figure 2As shown, the vehicle body tube 1 is provided with a second charging port 22, and the second charging port 22 is electrically connected to the battery pack body 13 through the first charging port 20. Fig.11 and Fig.14 As shown, one end of the discharge column 21 is fixedly connected to the lower end cover 15, and the other end of the discharge column 21 is provided with a discharge end 25. Figure 6 and Fig.14 As shown, the lower cover 5 is provided with a second assembly groove 23 matching the discharge column 21, and the battery pack body 13 is installed in the lower cover 5 through the discharge column 21 on the lower end cover 15 matching the second assembly groove 23, and the bottom of the second assembly groove 23 is provided with a discharge socket 24 matching the discharge terminal 25, and the battery pack body 13 is electrically connected to the external circuit through the discharge terminal 25 matching the discharge socket 24.

[0048] like Fig.15 As shown, the panel 16 is in a U-shape, the battery pack body 13, the upper end cover 14, the guide block 17 and the lower end cover 15 are all in contact with the inner surface of the panel 16, the guide block 17 is provided with a light-transmitting plate 26, and the guide block 17 is provided with a power indicator column corresponding to the position of the light-transmitting plate 26, the panel 16 is provided with a mounting hole 27 matching the light-transmitting plate 26, the light-transmitting plate 26 is installed in the mounting hole 27, and the light-transmitting plate 26 is provided with a switch button 28, and the switch button 28 is electrically connected to the battery pack body 13, as shown in FIG. Fig.13 and Fig.16 As shown, the open end of the panel 16 is provided with a flange 29, and the flange 29 is located on the inner surface of the panel 16. The battery pack body 13 is provided with an L-shaped groove 30 matching the flange 29. The panel 16 is installed on the battery pack body 13 by matching the flange 29 with the L-shaped groove 30.

[0049] like Figure 7 and Figure 8 As shown, the wire pressing plate 10 includes a pressing plate 11 and a pressing plate 2 12. Figure 5 and Fig.17 As shown, the edges of the upper cover 4 and the lower cover 5 are provided with convex ribs 31, and the middle parts of the pressing plate 1 11 and the pressing plate 2 12 are provided with grooves 32 matching the convex ribs 31. Figure 5 As shown, the pressing plate 11 and the pressing plate 2 12 are both installed in the groove 1 8. Figure 7As shown, one end of the pressing plate 11 is slidably connected to the inside of the pressing plate 2 12 and is provided with a spring. The pressing plate 11 is elastically connected to the inside of the pressing plate 2 12 through the spring. The upper cover 4 is provided with a mounting groove 35 matching the pressing plate 11. The convex rib 31 on the upper cover 4 is located in the mounting groove 35. The other end of the pressing plate 11 is detachably connected to the upper cover 4 through the mounting groove 35. A fixing hole 33 is provided at the bottom of the groove 2 32 on the pressing plate 2 12. The convex rib 31 on the lower cover 5 is provided with a fixing convex strip 34 matching the fixing hole 33. One end of the pressing plate 2 12 is installed on the lower cover 5 through the fixing hole 33 matching the fixing convex strip 34. The other end of the pressing plate 2 12 is slidably connected to the pressing plate 11.

[0050] like Figure 7 and Figure 8 As shown, the wire pressing plate 10 includes a pressing plate 11 and a pressing plate 2 12. Figure 5 and Fig.17 As shown, the edges of the upper cover 4 and the lower cover 5 are provided with convex ribs 31, and the middle parts of the pressing plate 1 11 and the pressing plate 2 12 are provided with grooves 32 matching the convex ribs 31. Figure 5 As shown, the pressing plate 11 and the pressing plate 2 12 are both installed in the groove 1 8. Figure 8 As shown, the bottom of the groove 2 32 on the pressing plate 11 and the bottom of the groove 2 32 on the pressing plate 2 12 are both provided with fixing holes 33, and the convex ribs 31 of the upper cover 4 and the convex ribs 31 of the lower cover 5 are both provided with fixing ridges 34 matching the fixing holes 33. One end of the pressing plate 11 is slidably connected to the inside of the pressing plate 2 12 and is provided with a spring. The pressing plate 11 is elastically connected to the inside of the pressing plate 2 12 through the spring, and the other end of the pressing plate 11 is installed on the upper cover 4 through the corresponding fixing holes 33 matching the fixing ridges 34. One end of the pressing plate 2 12 is installed on the lower cover 5 through the corresponding fixing holes 33 matching the fixing ridges 34, and the other end of the pressing plate 2 12 is slidably connected to the pressing plate 11.

[0051] like Fig.11 As shown, both ends of the battery pack body 13 are provided with sealing connectors, one end of the battery pack body 13 is sealed with the upper end cover 14 through the sealing connector, and the other end of the battery pack body 13 is sealed with the lower end cover 15 through the sealing connector, one end of the battery pack body 13 is provided with a mounting strip 36 matching the inner edge of the upper end cover 14, one end of the mounting strip 36 is fixedly connected to the battery pack body 13, and the other end of the mounting strip 36 is located in the upper end cover 14, and the other end of the battery pack body 13 is provided with a mounting strip 2 37 matching the inner edge of the lower end cover 15, one end of the mounting strip 2 is fixedly connected to the battery pack body 13, and the other end of the mounting strip 2 37 is located in the lower end cover 15.

[0052] like Fig.18As shown, the sealing connector includes an I-shaped sealing ring 38 and a plurality of compression screws 39. Both ends of the battery pack body 13 are provided with a sealing groove 40 and a plurality of connection grooves 41 uniformly distributed along the circumference of the battery pack body 13. The I-shaped sealing ring 38 is installed in the sealing groove 40. One end of the battery pack body 13 is sealed and connected to the upper end cover 14 through the I-shaped sealing ring 38. The other end of the battery pack body 13 is sealed and connected to the lower end cover 15 through the I-shaped sealing ring 38. The sealing groove 40 on the end where the battery pack body 13 is sealed and connected to the upper end cover 14 is located between the mounting strip 1 36 and the corresponding connection groove 41. The sealing groove 40 on the end where the battery pack body 13 is sealed and connected to the lower end cover 15 is located between the mounting strip 2 37 and the corresponding connection groove 41. The upper end cover 14 and the lower end cover 15 are both provided with a connection block 42 that matches the corresponding connection groove 41. The connection block 42 is provided with an adjustment hole 43 that matches the compression screw 39. Both ends are provided with a plurality of threaded holes 44 matching the clamping screw 39, and the positions of the threaded holes 44 correspond to the positions of the adjustment holes 43 one by one. One side of the adjustment hole 43 is close to the battery pack body 13, and the other side of the adjustment hole 43 is away from the battery pack body 13. An inclined surface 45 is provided on the side of the adjustment hole 43 close to the battery pack body 13, one end of the inclined surface 45 is close to the threaded hole 44, and the other end of the inclined surface 45 is away from the threaded hole 44. The shortest distance from the end of the inclined surface 45 away from the threaded hole 44 to the battery pack body 13 is greater than the shortest distance from the end of the inclined surface 45 close to the threaded hole 44 to the battery pack body 13. The clamping screw 39 is threadedly connected to the battery pack body 13 through the threaded hole 44, and the end of the clamping screw 39 is located in the corresponding adjustment hole 43, and the inclined surface 45 is located on one side of the adjustment hole 43. The shortest distance from the end of the inclined surface 45 away from the threaded hole 44 to the other side corresponding to the adjustment hole 43 is greater than the diameter of the clamping screw 39.

[0053] The present invention also provides an assembly method for an electric bicycle battery body tube, which is characterized by comprising the following steps:

[0054] Step 1: assemble one end of the battery pack body 13 into the upper end cover 14 through the mounting strip 1 36 for preliminary positioning, and then use a tool to tighten the clamping screw 39 to connect the battery pack body 13 and the upper end cover 14. At the same time, the corresponding I-shaped sealing ring 38 is compressed by the battery pack body 13 and the upper end cover 14;

[0055] Step 2: Assemble the other end of the battery pack body 13 into the lower end cover 15 through the second mounting strip 37 for preliminary positioning, and then use a tool to tighten the clamping screw 39 to connect the battery pack body 13 and the lower end cover 15. At the same time, the corresponding I-shaped sealing ring 38 is compressed by the battery pack body 13 and the lower end cover 15;

[0056] Step 3: Insert one end of the panel 16 into the L-shaped groove 30 through the flange 29, then pass the light-transmitting plate 26 through the mounting hole 27 on the panel 16, and insert the other end of the panel 16 into the L-shaped groove 30 through the flange 29 to complete the installation of the panel 16;

[0057] Step 4, installing the guide block 17 on the upper end cover 14;

[0058] Step 5, first install the end of the pressing plate 11 on the upper cover 4, then slide the pressing plate 2 12 to one side of the pressing plate 11, so that the pressing plate 2 12 is installed at a suitable length position to match the lower cover 5, and install the pressing plate 11 and the pressing plate 2 12 in the groove 1 8, and at the same time install the upper cover 4 and the lower cover 5 at the corresponding positions in the vehicle body tube 1;

[0059] Step six, insert one end of the battery pack body 13 with the upper end cover 14, the lower end cover 15 and the panel 16 installed into the second assembly groove 23 on the lower cover 5 through the discharge column 21 on the lower end cover 15, and then install the guide block 17 on the upper end cover 14 into the first assembly groove 19 on the upper cover 4.

[0060] One end of the battery pack body 13 is matched with the upper end cover 14 through the mounting strip 36 for preliminary positioning. When the user uses a tool to tighten the clamping screw 39, the clamping screw 39 connects one end of the battery pack body 13 and the upper end cover 14 downward, and cooperates with the adjustment hole 43 on the connecting block 42 to reduce the gap between one end of the battery pack body 13 and the upper end cover 14, and the I-shaped sealing ring 38 is compressed to improve the sealing; the other end of the battery pack body 13 is matched with the lower end cover 15 through the mounting strip 2 37 for preliminary positioning. When the user uses a tool to tighten the clamping screw 39, the clamping screw 39 connects the other end of the battery pack body 13 and the lower end cover 15 downward, and cooperates with the adjustment hole 43 on the connecting block 42 to reduce the gap between the other end of the battery pack body 13 and the lower end cover 15, and the I-shaped sealing ring 38 is compressed to improve the sealing.

[0061] Then install the panel 16: insert one end of the panel 16 into the L-shaped groove 30 through the flange 29, then pass the light-transmitting plate 26 through the mounting hole 27 on the panel 16, and insert the other end of the panel 16 into the L-shaped groove 30 through the flange 29 to complete the installation of the panel 16. The panel 16 can be subjected to a variety of surface treatments, such as painting, anodizing and brushing, and the panel 16 can be milled and punched in various shapes and patterns to meet the aesthetic and usage requirements of different consumers; install the guide block 17 on the upper end cover 14.

[0062] In the first embodiment, when installing the wire pressing plate 10 on the upper cover 4 and the lower cover 5, the user first inserts one end of the pressing plate 11 into the installation groove 35, and then slides the pressing plate 2 12 to one side of the pressing plate 11, so that the pressing plate 2 12 is installed at a suitable length position through the fixing hole 33 to match the fixing ridge 34 on the lower cover 5, and finally installs the pressing plate 11 and the pressing plate 2 12 in the groove 1 8, and at the same time installs the upper cover 4 and the lower cover 5 at the corresponding positions in the vehicle body tube 1. The wire pressing plate 10 can be implemented with a variety of surface treatment methods, such as painting, anodizing and brushing.

[0063] In the second embodiment, when installing the wire pressing plate 10 on the upper cover 4 and the lower cover 5, the user first installs the pressing plate 11 through the fixing hole 33 to match the fixing ridge 34 on the upper cover 4, and then slides the pressing plate 2 12 to one side of the pressing plate 11, so that the pressing plate 2 12 is installed at a suitable length position through the fixing hole 33 to match the fixing ridge 34 on the lower cover 5, and finally installs the pressing plate 11 and the pressing plate 2 12 in the groove 1 8, and at the same time installs the upper cover 4 and the lower cover 5 at the corresponding positions in the vehicle body tube 1. The wire pressing plate 10 can be implemented with a variety of surface treatment methods, such as painting, anodizing and brushing.

[0064] Finally, one end of the battery pack body 13 after the upper end cover 14, the lower end cover 15 and the panel 16 are installed is inserted into the second assembly groove 23 on the lower cover 5 through the discharge column 21 on the lower end cover 15, and then the guide block 17 on the upper end cover 14 is installed into the first assembly groove 19 on the upper cover 4. The wire pressing plate 10 can be subjected to a variety of surface treatment methods, such as painting, anode and wire drawing; the wire pressing plate 10 isolates the wiring cavity and the battery cavity to improve safety performance. At the same time, the wire pressing plate 10 is formed by slidingly connecting the first pressing plate 11 and the second pressing plate 12, which is conducive to adjusting the length of the wire pressing plate 10 through the first pressing plate 11 and the second pressing plate 12 according to the different battery capacities to meet the assembly requirements, thereby achieving the purpose of low manufacturing cost.

[0065] The vehicle body tube 1 is provided with a battery box lock. When the battery pack is installed in the vehicle body tube 1 , the battery box lock helps to improve the security and anti-theft performance of the battery pack.

[0066] When charging, the user only needs to insert the external charging plug into the charging port 22 to complete the charging of the battery pack body 13; the discharge end on the discharge column 21 matches the discharge socket 24 and is electrically connected to the drive module in the external circuit of the bicycle, so as to provide power to the bicycle.

[0067] The power indicator light column displays the power level of the battery pack 2. The user can directly see the changes in the power indicator light column through the light-transmitting plate 26, so that the battery pack 2 can be charged in time when the power is about to run out. The switch button 28 is installed on the light-transmitting plate 26, which is not only beneficial to the appearance, but also convenient for the user to disconnect the circuit in time through the switch button 28 when the user finds that the power is about to run out.

Claims

1. An electric bicycle battery body tube structure, characterized in that: The invention comprises a vehicle body tube (1) and a battery pack (2), wherein the vehicle body tube (1) is provided with a mounting opening (3), and an upper cover (4), a lower cover (5) and a wiring cavity (6) are provided in the vehicle body tube (1), wherein the upper cover (4) is located at one end of the mounting opening (3) and is detachably connected to the vehicle body tube (1), and the lower cover (5) is located at the other end of the mounting opening (3) and is detachably connected to the vehicle body tube (1), and the vehicle body tube (1), the upper cover (4) and the lower cover (5) constitute a battery cavity (7), wherein the battery pack (2) is mounted in the battery cavity (7) through the mounting opening (3), wherein one end of the battery pack (2) is detachably connected to the upper cover (4), and the other end of the battery pack (2) is detachably connected to the lower cover (5), and a groove (8) is provided on the inner side wall of the battery cavity (7), and a through hole (9) is provided at the bottom of the groove (8), wherein the battery cavity (7) is connected to the wiring cavity (6) through the through hole (9), and wherein a through hole (9) is provided in the groove (8) and is connected to the wiring cavity (6). A matching wire pressing plate (10), one end of the wire pressing plate (10) is detachably connected to the upper cover (4), and the other end of the wire pressing plate (10) is detachably connected to the lower cover (5); the battery pack (2) comprises a battery pack body (13), an upper end cover (14), a lower end cover (15), and a panel (16) matching the shape of the vehicle body tube (1), one end of the upper end cover (14) is sealed to the battery pack body (13), and the other end of the upper end cover (14) is sealed to the upper end cover (15). The cover (4) is detachably connected, one end of the lower end cover (15) is detachably connected to the lower cover (5), the other end of the lower end cover (15) is sealed to the battery pack body (13), one end of the battery pack body (13) is sealed to the upper end cover (14), the other end of the battery pack body (13) is sealed to the lower end cover (15), and the panel (16) is mounted on the side of the battery pack body (13) and is detachably connected to the battery pack body (13);The wire pressing plate (10) comprises a pressing plate 1 (11) and a pressing plate 2 (12), the edges of the upper cover (4) and the lower cover (5) are both provided with convex ribs (31), the middle parts of the pressing plate 1 (11) and the middle parts of the pressing plate 2 (12) are both provided with grooves 2 (32) matching the convex ribs (31), the pressing plate 1 (11) and the pressing plate 2 (12) are both installed in the grooves 1 (8), one end of the pressing plate 1 (11) is slidably connected to the inside of the pressing plate 2 (12) and is provided with a spring, the pressing plate 1 (11) is elastically connected to the inside of the pressing plate 2 (12) through the spring, the upper cover (4) is provided with a mounting groove (35) matching the pressing plate 1 (11), the convex rib (31) on the upper cover (4) is located in the mounting groove (35), the other end of the pressing plate 1 (11) is detachably connected to the upper cover (4) through the mounting groove (35), the pressing plate 2 (12) is A fixing hole (33) is provided at the bottom of the second groove (32); a fixing convex strip (34) matching the fixing hole (33) is provided on the convex rib (31) on the lower cover (5); one end of the second pressing plate (12) is mounted on the lower cover (5) through the fixing hole (33) to match the fixing convex strip (34); the other end of the second pressing plate (12) is slidably connected to the first pressing plate (11); a guide block (17) is provided at one end of the upper end cover (14) detachably connected to the upper cover (4); one end of the guide block (17) is connected to the upper end cover (14); the other end of the guide block (17) is provided with a guide inclined surface (18); an assembly groove (19) matching the guide block (17) is provided on the upper cover (4); the battery pack body (13) is mounted in the upper cover (4) through one end of the guide block (17) having the guide inclined surface (18) matching the assembly groove (19). ; 2. The electric bicycle battery body tube structure according to claim 1 is characterized in that: The lower end cover (15) is provided with a charging port 1 (20) and a discharge column (21), the charging port 1 (20) being located on the side of the discharge column (21), the vehicle body tube (1) is provided with a charging port 2 (22), the charging port 2 (22) being electrically connected to the battery pack body (13) through the charging port 1 (20), one end of the discharge column (21) being fixedly connected to the lower end cover (15), the other end of the discharge column (21) being provided with a discharge end (25), the lower cover (5) being provided with a second assembly groove (23) matching the discharge column (21), the battery pack body (13) being installed in the lower cover (5) through the discharge column (21) on the lower end cover (15) matching the second assembly groove (23), the bottom of the second assembly groove (23) being provided with a discharge socket (24) matching the discharge end (25), the battery pack body (13) being electrically connected to an external circuit through the discharge end (25) matching the discharge socket (24).

3. The electric bicycle battery body tube structure according to claim 2, characterized in that: The panel (16) is in a U-shape; the battery pack body (13), the upper end cover (14), the guide block (17) and the lower end cover (15) are all in contact with the inner surface of the panel (16); a light-transmitting plate (26) is provided on the guide block (17); a power indicator light column corresponding to the position of the light-transmitting plate (26) is provided in the guide block (17); a mounting hole (27) matching the light-transmitting plate (26) is provided on the panel (16); the light-transmitting plate (26) is mounted in the mounting hole (27) 27), a switch button (28) is provided on the light-transmitting plate (26), and the switch button (28) is electrically connected to the battery pack body (13); a flange (29) is provided at the open end of the panel (16), and the flange (29) is located on the inner surface of the panel (16); an L-shaped groove (30) matching the flange (29) is provided on the battery pack body (13), and the panel (16) is mounted on the battery pack body (13) by matching the flange (29) with the L-shaped groove (30).

4. The electric bicycle battery body tube structure according to claim 3 is characterized in that: Both ends of the battery pack body (13) are provided with sealing connectors, one end of the battery pack body (13) is sealedly connected to the upper end cover (14) through the sealing connector, and the other end of the battery pack body (13) is sealedly connected to the lower end cover (15) through the sealing connector. One end of the battery pack body (13) is provided with a mounting strip (36) that matches the inner edge of the upper end cover (14), one end of the mounting strip (36) is fixedly connected to the battery pack body (13), and the other end of the mounting strip (36) is located in the upper end cover (14), and the other end of the battery pack body (13) is provided with a mounting strip (37) that matches the inner edge of the lower end cover (15), one end of the mounting strip (37) is fixedly connected to the battery pack body (13), and the other end of the mounting strip (37) is located in the lower end cover (15).

5. The electric bicycle battery body tube structure according to claim 4 is characterized in that: The sealing connection member comprises an I-shaped sealing ring (38) and a plurality of compression screws (39). Both ends of the battery pack body (13) are provided with a sealing groove (40) and a plurality of connection grooves (41) evenly distributed along the circumference of the battery pack body (13). The I-shaped sealing ring (38) is installed in the sealing groove (40). One end of the battery pack body (13) is sealedly connected to the upper end cover (14) through the I-shaped sealing ring (38). The other end of the battery pack body (13) is sealedly connected to the lower end cover (15) through the I-shaped sealing ring (38). ) a sealing groove (40) on one end of the battery pack body (13) sealed with the upper end cover (14) is located between the first mounting strip (36) and the corresponding connecting groove (41); a sealing groove (40) on one end of the battery pack body (13) sealed with the lower end cover (15) is located between the second mounting strip (37) and the corresponding connecting groove (41); the upper end cover (14) and the lower end cover (15) are both provided with connecting blocks (42) matching the corresponding connecting grooves (41); the connecting blocks (42) are provided with adjusting holes (43) matching the clamping screws (39); and both ends of the battery pack body (13) are provided with connecting blocks (42) matching the corresponding connecting grooves (41). A plurality of threaded holes (44) matching the clamping screws (39) are provided, the positions of the threaded holes (44) corresponding to the positions of the adjustment holes (43) one by one, one side of the adjustment holes (43) being close to the battery pack body (13), and the other side of the adjustment holes (43) being away from the battery pack body (13), an inclined surface (45) being provided on the side of the adjustment holes (43) close to the battery pack body (13), one end of the inclined surface (45) being close to the threaded hole (44), and the other end of the inclined surface (45) being away from the threaded hole (44), and the inclined surface (45) being away from the threaded hole ( The shortest distance from one end of the inclined surface (44) to the battery pack body (13) is greater than the shortest distance from one end of the inclined surface (45) close to the threaded hole (44) to the battery pack body (13); the clamping screw (39) is threadedly connected to the battery pack body (13) through the threaded hole (44); the end of the clamping screw (39) is located in the adjustment hole (43) corresponding to it; the inclined surface (45) is located on one side of the adjustment hole (43); and the shortest distance from one end of the inclined surface (45) away from the threaded hole (44) to the other side corresponding to the adjustment hole (43) is greater than the diameter of the clamping screw (39).

6. The method for assembling an electric bicycle battery body tube according to claim 5, characterized in that: The following steps are involved: Step 1: assemble one end of the battery pack body (13) into the upper end cover (14) through the mounting strip (36) for preliminary positioning, and then use a tool to tighten the clamping screw (39) to connect the battery pack body (13) and the upper end cover (14). At the same time, the corresponding I-shaped sealing ring (38) is compressed by the battery pack body (13) and the upper end cover (14); Step 2: The other end of the battery pack body (13) is assembled into the lower end cover (15) through the second mounting strip (37) for preliminary positioning, and then the clamping screw (39) is tightened using a tool to connect the battery pack body (13) and the lower end cover (15). At the same time, the corresponding I-shaped sealing ring (38) is compressed by the battery pack body (13) and the lower end cover (15); Step 3: first insert one end of the panel (16) into the L-shaped groove (30) through the flange (29), then pass the light-transmitting plate (26) through the mounting hole (27) on the panel (16), and insert the other end of the panel (16) into the L-shaped groove (30) through the flange (29) to complete the installation of the panel (16); Step 4: Install the guide block (17) on the upper end cover (14); Step 5: first install the end of the first pressing plate (11) on the upper cover (4), then slide the second pressing plate (12) toward one side of the first pressing plate (11), so that the second pressing plate (12) is matched with the lower cover (5) at a suitable length position, and install the first pressing plate (11) and the second pressing plate (12) in the first groove (8), and at the same time install the upper cover (4) and the lower cover (5) in the corresponding positions in the vehicle body tube (1); Step 6: insert one end of the battery pack body (13) after the upper end cover (14), the lower end cover (15) and the panel (16) are installed into the second assembly groove (23) on the lower cover (5) through the discharge column (21) on the lower end cover (15), and then install the guide block (17) on the upper end cover (14) into the first assembly groove (19) on the upper cover (4).

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