阅读说明：本技术 一种下管半隐藏式锂电池组 (Lower-tube semi-hidden lithium battery pack ) 是由 赵文全 于 2020-08-07 设计创作，主要内容包括：本发明涉及电动自行车技术领域,具体地说是一种下管半隐藏式锂电池组。一种下管半隐藏式锂电池组,其特征在于：车架管总成的顶面为平面,并且位于车架管总成的顶部中央设有凹槽,凹槽内嵌设有电池组总成；车架管为顶部为平面,下部为圆弧结构的中空管道,位于车架管的中央设有凹槽,凹槽内左侧嵌设有插芯座,凹槽内右侧嵌设有锁头座,所述的插芯座上嵌设有接口插芯,所述的锁头座的右侧连接锁头；电池盒为矩形框架结构,电池盒的内腔设有电池组,位于电池盒的左右两端分别连接设有电池盒下盖及电池盒上盖。同现有技术相比,改进后的车架管总成,结构简单,提高了整体强度,直装式电池支架设计使电芯装配变得更简单,节省装配时间。(The invention relates to the technical field of electric bicycles, in particular to a lower tube semi-hidden lithium battery pack. The utility model provides a lower half hidden lithium cell group which characterized in that: the top surface of the frame pipe assembly is a plane, a groove is arranged in the center of the top of the frame pipe assembly, and a battery pack assembly is embedded in the groove; the bicycle frame pipe is a hollow pipeline with a plane top and an arc-shaped lower part, a groove is arranged in the center of the bicycle frame pipe, a core inserting seat is embedded in the left side of the groove, a lock head seat is embedded in the right side of the groove, an interface core inserting is embedded in the core inserting seat, and the right side of the lock head seat is connected with a lock head; the battery case is rectangular frame structure, and the inner chamber of battery case is equipped with the group battery, is located the battery case and connects respectively at both ends and is equipped with battery case lower cover and battery case upper cover about. Compared with the prior art, the improved frame tube assembly is simple in structure, the overall strength is improved, the battery core is simpler to assemble due to the design of the direct-mounted battery support, and the assembly time is saved.)

1. The utility model provides a lower half hidden lithium cell group, includes car frame pipe assembly, group battery assembly, its characterized in that: the top surface of the frame pipe assembly (1) is a plane, a groove is arranged in the center of the top of the frame pipe assembly (1), and a battery pack assembly (2) is embedded in the groove; the frame tube assembly (1) comprises a frame tube, a plug core seat, an interface plug core, a lock head seat and a lock head, wherein the top of the frame tube (11) is a plane, the lower part of the frame tube is a hollow pipeline with an arc structure, a groove is arranged in the center of the frame tube (11), the plug core seat (12) is embedded in the left side of the groove, the lock head seat (13) is embedded in the right side of the groove, the interface plug core (14) is embedded on the plug core seat (12), and the right side of the lock head seat (13) is connected with the lock head (15); the battery pack assembly (2) comprises a battery pack, a battery box upper cover, a battery box lower cover and a battery box, wherein the battery box (21) is of a rectangular frame structure, the battery pack (22) is arranged in an inner cavity of the battery box (21), and the battery box lower cover (23) and the battery box upper cover (24) are respectively connected and arranged at the left end and the right end of the battery box (21).

2. The lower tube semi-concealed lithium battery pack of claim 1, wherein: the bottom of the inner cavity of the frame tube (11) is provided with an oval hollow-shaped reinforcing rib structure, and the length of the reinforcing rib structure is consistent with that of the frame tube (11).

3. The lower tube semi-concealed lithium battery pack of claim 1, wherein: the lock head (15) is of an L-shaped structure, one end of the lock head (15) is connected with the lock head seat (13), and the other end of the lock head (15) penetrates through the side face of the frame pipe (11) and is located outside the side face of the frame pipe (11).

4. The lower tube semi-concealed lithium battery pack of claim 1, wherein: the battery pack (22) comprises a PCB, an upper baffle plate, a lower baffle plate, an upper nickel plate, a lower nickel plate, an upper bracket, a lower bracket and a battery core, wherein the upper bracket (224) is sleeved at the upper end of the battery core (225), and the upper nickel plate (223), the upper baffle plate (222) and the PCB (221) are sequentially arranged above the upper bracket (224) from bottom to top; the lower end of the battery core (225) is sleeved with a lower support (226), and a lower nickel sheet (227) and a lower baffle sheet (228) are sequentially arranged below the lower support (226) from top to bottom.

5. The lower tube semi-concealed lithium battery pack of claim 1, wherein: the battery box lower cover (23) comprises a lower cover shell, a lower cover sealing ring, a screw hole blocking cover and a plug seat, the right end of the lower cover shell (231) is connected with the lower cover sealing ring (232) through the screw hole blocking cover (233), and the plug seat (234) is embedded in the lower portion of the left end of the lower cover shell (231).

6. The semi-concealed lower tube lithium battery pack of claim 5, wherein: the size of the lower cover shell (231) and the size of the lower cover sealing ring (232) are matched with the size of the left end of the battery box (21).

7. The lower tube semi-concealed lithium battery pack of claim 1, wherein: battery case upper cover (24) including the upper cover casing, the upper cover sealing washer, another screw hole blanking cover, secondary protection hasp subassembly, play the post, the mouth charges, upper cover sealing washer (242) is connected through another screw hole blanking cover (245) to the left end of upper cover casing (241), the right-hand member that is located upper cover casing (241) inlays and is equipped with secondary protection hasp subassembly (244), and the upper end of secondary protection hasp subassembly (244) adopts the pin to be connected with upper cover casing (241), it is equipped with mouth (243) to be located upper cover casing (241) inner chamber one side connection, both sides are equipped with respectively around the bottom that is located upper cover casing (241) and play post (246).

8. The half-concealed lower-tube lithium battery pack of claim 7, wherein: the size of the upper cover shell (241) and the size of the upper cover sealing ring (242) are matched with the size of the right end of the battery box (21).

Technical Field

The invention relates to the technical field of electric bicycles, in particular to a lower tube semi-hidden lithium battery pack.

Background

Electric bicycles are increasingly widely used as green and environment-friendly vehicles. The battery of the existing electric bicycle is usually installed in a frame tube of the bicycle, and the frame tube is usually divided into two foldable parts for conveniently accommodating and fixing the battery, and the battery is arranged in the frame tube with one section being hollow. When the battery is taken and placed, the bicycle is firstly folded along the joint position of the frame pipe, then the battery is drawn out or placed back from the frame pipe, and the bicycle is recovered to be in a use state.

And because the frame pipe of traditional electric bicycle needs the requirement of high strength, therefore, the car driving pipe all is the pipeline of designing into circular arc, or adds the strengthening rib in the pipeline, like this, at the production technology of frame pipe complicated, increases the cost.

Disclosure of Invention

The improved frame tube assembly has the advantages that the structure is simple, the overall strength is improved, the battery cell assembly is simpler due to the design of the direct-mounted battery support, the assembly time is saved, the production working hour is shortened, and the production efficiency is greatly improved.

In order to realize above-mentioned purpose, design a lower half hidden lithium cell group, including car frame pipe assembly, group battery assembly, its characterized in that: the top surface of the frame pipe assembly is a plane, a groove is arranged in the center of the top of the frame pipe assembly, and a battery pack assembly is embedded in the groove; the frame tube assembly comprises a frame tube, a plug core seat, an interface plug core, a lock head seat and a lock head, wherein the top of the frame tube is a plane, the lower part of the frame tube is a hollow pipeline with an arc structure, a groove is arranged in the center of the frame tube, the plug core seat is embedded in the left side of the groove, the lock head seat is embedded in the right side of the groove, the interface plug core is embedded in the plug core seat, and the right side of the lock head seat is connected with the lock head; the battery pack assembly comprises a battery pack, a battery box upper cover, a battery box lower cover and a battery box, wherein the battery box is of a rectangular frame structure, the battery pack is arranged in an inner cavity of the battery box, and the battery box lower cover and the battery box upper cover are respectively connected and arranged at the left end and the right end of the battery box.

The bottom of the inner cavity of the frame tube is provided with an oval hollow-shaped reinforcing rib structure, and the length of the reinforcing rib structure is consistent with that of the frame tube.

The lock head is of an L-shaped structure, one end of the lock head is connected with the lock head seat, and the other end of the lock head penetrates through the side face of the frame pipe and is located outside the side face of the frame pipe.

The battery pack comprises a PCB (printed circuit board), an upper baffle plate, a lower baffle plate, an upper nickel sheet, a lower nickel sheet, an upper bracket, a lower bracket and a battery core, wherein the upper bracket is sleeved at the upper end of the battery core, and the upper nickel sheet, the upper baffle plate and the PCB are sequentially arranged above the upper bracket from bottom to top; the lower end cover that is located the battery core is equipped with the lower carriage, and the below of lower carriage is equipped with nickel piece and lower separation blade down from last in proper order.

The battery box lower cover comprises a lower cover shell, a lower cover sealing ring, a screw hole plugging cover and a plug seat, the right end of the lower cover shell is connected with the lower cover sealing ring through the screw hole plugging cover, and the plug seat is embedded in the lower portion of the left end of the lower cover shell.

The size of the lower cover shell and the size of the lower cover sealing ring are matched with the size of the left end of the battery box.

The battery case upper cover include upper cover casing, upper cover sealing washer, another screw hole blanking cover, secondary protection hasp subassembly, play post, the mouth that charges, the upper cover sealing washer is connected through another screw hole blanking cover to the left end of upper cover casing, the right-hand member that is located the upper cover casing inlays and is equipped with secondary protection hasp subassembly to the upper end of secondary protection hasp subassembly adopts pin and upper cover casing to be connected, is located upper cover casing inner chamber one side and connects and be equipped with the mouth that charges, both sides are equipped with respectively around the bottom that is located the upper cover casing and play the post.

The size of the upper cover shell and the size of the upper cover sealing ring are matched with the size of the right end of the battery box.

Compared with the prior art, the invention provides the lower tube semi-hidden lithium battery pack, the improved frame tube assembly has the advantages of simple structure, improvement of the overall strength, simpler cell assembly due to the design of the direct-mounted battery support, assembly time saving, production working hour shortening and great improvement of the production efficiency.

Drawings

Fig. 1 is an exploded view of the structure of the present invention.

Fig. 2 is a left side schematic view of the groove of the frame tube assembly of fig. 1.

Fig. 3 is an exploded view of the frame tube assembly structure.

Fig. 4 is an exploded view of the battery assembly structure.

Fig. 5 is an exploded view of the battery pack structure.

Fig. 6 is an exploded view of the lower lid structure of the battery box.

Fig. 7 and 8 are exploded views of the upper lid structure of the battery box.

Referring to fig. 1, 1 is a frame tube assembly, and 2 is a battery assembly.

Referring to fig. 3, 11 is a frame tube, 12 is a ferrule holder, 13 is a lock head holder, 14 is an interface ferrule, and 15 is a lock head.

Referring to fig. 4, 21 is a battery case, 22 is a battery pack, 23 is a battery case lower cover, and 24 is a battery case upper cover.

Referring to fig. 5, 221 is a PCB, 222 is an upper barrier, 223 is an upper nickel plate, 224 is an upper bracket, 225 is a battery cell, 226 is a lower bracket, 227 is a lower nickel plate, and 228 is a lower barrier.

Referring to fig. 6, 231 is a lower cover shell, 232 is a lower cover sealing ring, 233 is a screw hole blanking cover, and 234 is a plug seat.

Referring to fig. 7, fig. 8, 241 is an upper cover shell, 242 is an upper cover sealing ring, 243 is a screw hole rubber plug, 244 is a locking assembly, 245 is another screw hole blocking cover, and 246 is a spring post.

Detailed Description

The invention is further illustrated below with reference to the accompanying drawings.

As shown in fig. 1 to 8, the top surface of the frame tube assembly 1 is a plane, and a groove is arranged at the center of the top of the frame tube assembly 1, and a battery pack assembly 2 is embedded in the groove; the frame tube assembly 1 comprises a frame tube, a plug core seat, an interface plug core, a lock head seat and a lock head, wherein the top of the frame tube 11 is a plane, the lower part of the frame tube is a hollow pipeline with an arc structure, a groove is arranged in the center of the frame tube 11, the plug core seat 12 is embedded in the left side of the groove, the lock head seat 13 is embedded in the right side of the groove, the interface plug core 14 is embedded in the plug core seat 12, and the lock head 15 is connected to the right side of the lock head seat 13; the battery pack assembly 2 comprises a battery pack, a battery box upper cover, a battery box lower cover and a battery box, wherein the battery box 21 is of a rectangular frame structure, the battery pack 22 is arranged in the inner cavity of the battery box 21, and the battery box lower cover 23 and the battery box upper cover 24 are respectively connected and arranged at the left end and the right end of the battery box 21.

The bottom of the inner cavity of the frame tube 11 is provided with an oval hollow-shaped reinforcing rib structure, and the length of the reinforcing rib structure is consistent with that of the frame tube 11.

The lock head 15 is of an L-shaped structure, one end of the lock head 15 is connected with the lock head seat 13, and the other end of the lock head 15 penetrates through the side surface of the frame tube 11 and is positioned outside the side surface of the frame tube 11.

The battery pack 22 comprises a PCB, an upper baffle, a lower baffle, an upper nickel sheet, a lower nickel sheet, an upper bracket, a lower bracket and a battery core, wherein the upper bracket 224 is sleeved on the upper end of the battery core 225, and the upper nickel sheet 223, the upper baffle 222 and the PCB 221 are sequentially arranged above the upper bracket 224 from bottom to top; a lower bracket 226 is sleeved on the lower end of the battery cell 225, and a lower nickel plate 227 and a lower baffle 228 are sequentially arranged below the lower bracket 226 from top to bottom.

The battery box lower cover 23 comprises a lower cover shell, a lower cover sealing ring, a screw hole blocking cover and a plug seat, the right end of the lower cover shell 231 is connected with the lower cover sealing ring 232 through the screw hole blocking cover 233, and the plug seat 234 is embedded in the lower portion of the left end of the lower cover shell 231.

The dimensions of the lower cap case 231 and the lower cap packing 232 match the dimensions of the left end of the battery case 21.

The battery case upper cover 24 comprises an upper cover shell, an upper cover sealing ring, another screw hole blocking cover, a secondary protection locking component, a spring column and a charging port, the left end of the upper cover shell 241 is connected with the upper cover sealing ring 242 through another screw hole blocking cover 245, the right end of the upper cover shell 241 is embedded with the secondary protection locking component 244, the upper end of the secondary protection locking component 244 is connected with the upper cover shell 241 through a pin, the charging port 243 is connected to one side of the inner cavity of the upper cover shell 241, and the spring column 246 is arranged on the front side and the rear side of the bottom of the upper cover shell 241 respectively.

The dimensions of the upper cover case 241 and the upper cover sealing ring 242 are matched with the dimensions of the right end of the battery case 21.

The design that the sealing ring, particularly the upper cover and the lower cover are clamped into the rib and the sealing ring is clamped into the rib corresponding to the groove is adopted, so that the installation is more convenient and more accurate, the problem of deformation of the sealing ring during installation is avoided, and the waterproof performance of the battery pack is more reliable.

The design of the direct-mounted battery bracket enables the assembly of the battery cell to be simpler, saves the assembly time, shortens the production time and greatly improves the production efficiency.