Separated battery box assembly

By using a separate battery box assembly, the problems of complex and high-precision installation of battery box assemblies for electric bicycles are solved, achieving simplified installation, improved production efficiency and convenience, and ensuring the stability and safety of the battery box.

CN223809178UActive Publication Date: 2026-01-16WUXI ANGUO INTELLIGENT TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422805732.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-18
Publication Date
2026-01-16
Estimated Expiration
2034-11-18

AI Technical Summary

Technical Problem

The installation of existing electric bicycle battery box components is complex and requires high precision. The lower tube is prone to deformation after heat treatment, which makes battery box installation difficult and affects production efficiency and convenience.

Method used

The battery box assembly, which is designed for separate installation, includes a mounting base assembly, a battery box, and a cover. The mounting base assembly is connected to the lower tube, the battery box is detachably connected to the mounting base assembly, and the cover is detachably connected to the opening of the lower tube. A knob assembly and a handle assembly are used to improve the ease of installation.

Benefits of technology

It simplifies the installation process, reduces precision requirements, improves production efficiency, avoids the impact of lower tube deformation on installation, and ensures the safety and convenience of the battery box.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a separately mounted battery box assembly, which is characterized in that the separately mounted battery box assembly is combined with a lower tube and comprises a mounting base assembly, a battery box and a cover plate, the top of the lower tube is provided with a mounting opening, and the mounting base assembly is mounted in the lower tube through the mounting opening; the battery box is detachably connected with the mounting base assembly, and the cover plate is detachably connected with the mounting opening. The separately-mounted battery box assembly is simpler and more convenient to mount and lower in precision requirement, the production efficiency can be improved, the production cost can be reduced, and the condition of mounting errors can be effectively avoided; the separately-mounted battery box assembly cannot deform due to heat treatment deformation of the lower pipe, the situation that the battery box is too tight or too loose is effectively avoided, the situation that the battery box cannot be taken out or cannot be clamped and mounted is avoided, and the use safety and convenience are better.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the related technical field of electric power-assisted bicycle, more accurate to say relates to a battery box subassembly of split type installation. BACKGROUND

[0002] The electric power-assisted bicycle is assisted by motor, provides power assistance when riding, reduces the riding intensity, helps the rider to realize short or long distance riding more labor-saving. The battery pack needs to be installed on the electric power-assisted bicycle, and the battery pack provides energy for the motor and power-assisted control system. The battery pack of the electric power-assisted bicycle is generally fixed inside the lower tube of the frame by the battery box subassembly. The existing battery box subassembly includes an upper fixed base assembly and a lower fixed base assembly fixedly connected with the lower tube, and further includes a detachable battery box installed between the upper fixed base assembly and the lower fixed base assembly, the battery pack is installed inside the battery box, and a detachable upper cover is installed on the upper part of the lower tube. The upper fixed base assembly and the lower fixed base assembly are installed inside the lower tube by welding or bolt connection, both of which need welding operation in the lower tube, including direct welding and welding screw column, and the welding process is relatively complex and difficult to accurately weld. In addition, the lower tube of the frame will deform after heat treatment, which will change the distance between the upper fixed base assembly and the lower fixed base assembly, causing the battery box to be detached or unable to be installed.

[0003] In summary, the existing battery box subassembly needs to be improved to reduce the difficulty and accuracy requirements of installation operation, improve production efficiency and the convenience of battery box taking and placing. UTILITY MODEL CONTENTS

[0004] Therefore, the utility model aims at providing a battery box subassembly of split type installation, which adopts an installation base assembly composed of an installation plate and an upper and lower fixed base assembly, the installation base assembly is installed inside the lower tube, the battery box is installed in cooperation with the installation base assembly, the installation difficulty and accuracy requirements of the battery box subassembly are reduced, and the influence of the deformation of the lower tube on the installation of the battery box is avoided.

[0005] In order to achieve the above purpose, the utility model provides a battery box subassembly of split type installation, which is installed in cooperation with the lower tube, and includes an installation base assembly, a battery box and a cover plate, the top of the lower tube has an installation opening, the installation base assembly is installed inside the lower tube through the installation opening, the battery box is detachably connected with the installation base assembly, and the cover plate is detachably connected with the installation opening.

[0006] Preferably, the mounting base assembly comprises a mounting plate, an upper fixing base assembly and a lower fixing base assembly, the upper fixing base assembly and the lower fixing base assembly are respectively mounted at both ends of the top of the mounting plate, the bottom of the mounting plate is connected with the inner bottom surface of the lower tube through a plurality of mounting bolts, and both ends of the battery box are respectively docked and clamped with the upper fixing base assembly and the lower fixing base assembly.

[0007] Preferably, the mounting plate is provided with a plurality of mounting through holes, the mounting bolts pass through the mounting through holes downward from the top of the mounting plate and are threadedly connected with the lower tube, and the mounting through holes are located between the upper fixing base assembly and the lower fixing base assembly.

[0008] Preferably, the mounting through holes are long strip holes.

[0009] Preferably, the upper fixing base assembly is fixedly connected with the mounting plate through a plurality of upper fixing bolts, and the lower fixing base assembly is fixedly connected with the mounting plate through a plurality of lower fixing bolts.

[0010] Preferably, the cover plate is combined with a mounting knob assembly, the knob assembly penetrates the cover plate and is rotatably connected with the side bottom surface of the mounting opening of the lower tube.

[0011] Preferably, the knob assembly comprises a knob, a clamping piece and a reset spring, the knob is located at the top of the cover plate, the clamping piece is located at the bottom of the cover plate, the knob is fixedly connected with the clamping piece through a pin shaft, the reset spring is arranged around the pin shaft, the top of the reset spring is connected with the bottom of the knob, and the bottom of the reset spring is connected with the top surface of the cover plate.

[0012] Preferably, the cover plate is provided with a pin shaft through hole, a limiting groove is arranged around the pin shaft through hole, the clamping piece is provided with a bottom pin shaft through hole and a limiting piece, the pin shaft passes through the bottom pin shaft through hole and the pin shaft through hole and is connected with the knob, and the limiting piece is slidably arranged in the limiting groove.

[0013] Preferably, the top of one end of the battery box is combined with a mounting handle assembly, and the handle assembly is located at the bottom of the knob assembly.

[0014] Preferably, the handle assembly comprises a mounting strip and a handle, the mounting strip is fixedly connected with the battery box through a plurality of bolts, and the handle is connected with the mounting strip.

[0015] Compared with the prior art, the battery box assembly of the utility model discloses a separation formula installation's advantage lies in: the battery box assembly of separation formula installation is more convenient to install, and the precision requirement is lower, which helps to improve production efficiency, reduces production cost, and effectively avoids the condition of installation error;The battery box assembly of separation formula installation will not be deformed due to the deformation of the lower tube heat treatment, effectively avoiding the situation that the battery box is too tight or too loose, avoiding the situation that the battery box cannot be taken out or cannot be clamped and installed, and the safety and convenience of use are better;The cover plate and the lower tube of the battery box assembly of separation formula installation are connected by the knob installation, and the battery box is more convenient and fast to take and place. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creative labor.

[0017] Figure 1 As shown is the structure schematic view of the battery box assembly of the utility model of a separation formula installation.

[0018] Figure 2 As shown is the structure schematic view of the battery box assembly of the utility model of a separation formula installation.

[0019] Figure 3 As shown is the battery box assembly of the utility model of a separation formula installation's explosion map.

[0020] Figure 4 As shown is the bottom view of the battery box assembly of the utility model of a separation formula installation.

[0021] Figure 5 As shown is the structure schematic view of the knob assembly of the battery box assembly of the utility model of a separation formula installation.

[0022] Figure 6 As shown is the battery box assembly of the utility model of a separation formula installation's knob assembly's explosion map.

[0023] Figure 7 As shown is the battery box assembly of the utility model of a separation formula installation's handle assembly's explosion map. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0025] As shown in Figures 1 to 3 The battery box assembly of the utility model is installed in combination with the lower pipe 1, comprising an installation base assembly 2, a battery box 3 and a cover plate 4. The lower pipe 1 has an installation opening 10 at the top, and the installation base assembly 2 is installed inside the lower pipe 1 through the installation opening 10. The battery box 3 is detachably connected with the installation base assembly 2, and the cover plate 4 is detachably connected with the installation opening 10. The installation base assembly 2 comprises an installation plate 20, an upper fixed base assembly 21 and a lower fixed base assembly 22. The upper fixed base assembly 21 and the lower fixed base assembly 22 are respectively installed at the two ends of the top of the installation plate 20. The bottom of the installation plate 20 is connected with the inner bottom surface of the lower pipe 1 through a plurality of installation bolts 23. The two ends of the battery box 3 are respectively butt-jointed with the upper fixed base assembly 21 and the lower fixed base assembly 22. The battery box assembly of the utility model is connected with the lower pipe 1 through the installation base assembly 2. After the installation base assembly 2 is assembled, it is installed inside the lower pipe 1, which makes the installation simpler and faster, and is conducive to improving the production efficiency and reducing the production cost. The installation base assembly 2 of the battery box assembly will not be deformed due to the deformation of the lower pipe 1, so that the situation of the battery box being too tight or too loose can be effectively prevented, and the situation that the battery box cannot be taken out or cannot be clamped and installed can be avoided, and the safety and convenience of use are better.

[0026] Specifically, referring to Figure 4 The installation plate 20 has a plurality of installation through holes 200. The installation bolts 23 pass through the installation through holes 200 from the top of the installation plate 20 downward and are threadedly connected with the lower pipe 1. Preferably, the installation through holes 200 are located between the upper fixed base assembly 21 and the lower fixed base assembly 22, so that the observation and installation operation can be conveniently performed during installation. Preferably, the installation through holes 200 are long holes, so as to reduce the installation precision requirement and adapt to different opening positions. Further, preferably, the installation plate 20 has four installation through holes 200, two installation through holes 200 in each group, and the two groups of installation through holes 200 are respectively located at the positions close to the upper fixed base assembly 21 and the lower fixed base assembly 22 of the installation plate 20.

[0027] The upper fixed base assembly 21 is fixedly connected with the mounting plate 20 through a plurality of upper fixing bolts 211; the lower fixed base assembly 22 is fixedly connected with the mounting plate 20 through a plurality of lower fixing bolts 221. The upper fixing bolts 211 and the lower fixing bolts 221 pass through the mounting plate 20 from the bottom surface of the mounting plate 20. During installation, the upper fixed base assembly 21 and the lower fixed base assembly 22 are fixedly connected with the mounting plate 20 through the upper fixing bolts 211 and the lower fixing bolts 221 to form the assembled mounting base assembly 2, and then the mounting base assembly 2 is fixedly connected with the lower pipe 1 through the mounting bolts 23.

[0028] Referring to Figure 1 , Figure 5 and Figure 6 , the cover plate 4 is combined with the knob assembly 41, the knob assembly 41 penetrates the cover plate 4 and is rotatably connected with the side bottom surface of the mounting opening 10 of the lower pipe 1. Specifically, the knob assembly 41 includes a knob 411, a clamping piece 412 and a reset spring 413, the knob 411 is located at the top of the cover plate 4, the clamping piece 412 is located at the bottom of the cover plate 4, the knob 411 is fixedly connected with the clamping piece 412 through a pin shaft, the reset spring 413 is arranged around the pin shaft, the top of the reset spring 413 is connected with the bottom of the knob 411, and the bottom of the reset spring 413 is connected with the top surface of the cover plate 4. When the knob 411 is rotated, the clamping piece 412 is rotated, and the reset spring 413 is deformed at the same time. After the hand is released, the knob 411 and the clamping piece 412 are reset under the action of the reset spring 413. Further, the cover plate 4 has a pin shaft through hole 401, a limiting groove 402 is arranged around the pin shaft through hole 401, the clamping piece 412 has a bottom pin shaft through hole 4121 and a limiting piece 4122, the pin shaft passes through the bottom pin shaft through hole 4121 and the pin shaft through hole 401 to be connected with the knob 411, and the limiting piece 4122 is slidably arranged in the limiting groove 402 to limit the rotation range of the clamping piece 412.

[0029] Referring to Figure 3 and Figure 7 , the top end of the battery box 3 is combined with the handle assembly 31, the handle assembly 31 is located at the bottom of the knob assembly 41, and the battery box 3 is more convenient to take and place. The handle assembly 31 includes a mounting strip 311 and a handle 312, the mounting strip 311 is fixedly connected with the battery box 3 through a plurality of bolts 313, the handle 312 is connected with the mounting strip 311, and the handle 312 is located at the top of the battery box 3.

[0030] The above description of disclosed embodiments enables one of ordinary skill in the art to make or use the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein can be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A split mounted battery box assembly characterized by, The installation base assembly is installed inside the lower tube through the installation opening, the battery box is detachably connected with the installation base assembly, and the cover plate is detachably connected with the installation opening.

2. The split-mounted battery box assembly of claim 1, wherein, The installation base assembly includes an installation plate, an upper fixing base assembly and a lower fixing base assembly, the upper fixing base assembly and the lower fixing base assembly are respectively installed at two ends of the top of the installation plate, the bottom of the installation plate is connected with the inner bottom surface of the lower tube through a plurality of installation bolts, and the two ends of the battery box are respectively abutted and clamped with the upper fixing base assembly and the lower fixing base assembly.

3. The split-mounted battery box assembly of claim 2, wherein, The installation plate is provided with a plurality of installation through holes, the installation bolts pass through the installation through holes downward from the top of the installation plate and are threadedly connected with the lower tube, and the installation through holes are located between the upper fixing base assembly and the lower fixing base assembly.

4. The split-mount battery box assembly of claim 3, wherein, The installation through holes are long strip holes.

5. The split-mount battery box assembly of claim 2, wherein, The upper fixing base assembly is fixedly connected with the installation plate through a plurality of upper fixing bolts, and the lower fixing base assembly is fixedly connected with the installation plate through a plurality of lower fixing bolts.

6. The split-mount battery box assembly of claim 1, wherein, The cover plate is provided with a knob assembly, the knob assembly penetrates the cover plate and is clamped with the side bottom surface of the installation opening of the lower tube.

7. The split-mounted battery box assembly of claim 6, wherein, The knob assembly includes a knob, a clamping piece and a reset spring, the knob is located at the top of the cover plate, the clamping piece is located at the bottom of the cover plate, the knob is fixedly connected with the clamping piece through a pin shaft, the reset spring is arranged around the pin shaft, the top of the reset spring is connected with the bottom of the knob, and the bottom of the reset spring is connected with the top surface of the cover plate.

8. The split-mount battery box assembly of claim 7, wherein, The cover plate is provided with a pin shaft through hole and a limiting groove around the pin shaft through hole, the clamping piece is provided with a bottom pin shaft through hole and a limiting piece, the pin shaft passes through the bottom pin shaft through hole and the pin shaft through hole and is connected with the knob, and the limiting piece is slidably installed in the limiting groove.

9. The split-mounted battery box assembly of claim 6, wherein, The top of the battery box is provided with a handle assembly, and the handle assembly is located at the bottom of the knob assembly.

10. The split-mount battery box assembly of claim 9, wherein, The handle assembly includes an installation strip and a handle, the installation strip is fixedly connected with the battery box through a plurality of bolts, and the handle is connected with the installation strip.