Lower battery tube of electric vehicle

Abstract

The utility model discloses an electric vehicle battery lower tube, which comprises a tube body, a base and a cover body, a profiling partition plate is arranged in the tube body, a plurality of positioning steps are arranged at the upper part of the profiling partition plate, and a positioning mounting seat is matched with the positioning steps through positioning feet to be assembled by taking the positioning steps as a reference. And then the cover body is assembled with a positioning groove formed in the positioning mounting seat, so that the unified standard is realized for assembling, and the effects of improving the assembling precision, reducing the assembling gap, improving the subsequent sealing process and improving the sealing effect after the pipe body and the cover body are assembled are achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to bicycle battery box accessory technical field, especially, relate to a kind of electric vehicle battery lower pipe. BACKGROUND

[0002] Electric-assisted bicycle is a kind of bicycle combined with human power and electric drive, the bicycle is similar in form structure with traditional bicycle, with pedal plate, but internal battery and motor and other devices are carried, provide assistance to user by electric power, make cycling become more easy and save effort.

[0003] Battery lower pipe is the important component for protecting battery on electric-assisted bicycle, the pipe body and cover in battery lower pipe, since pipe body is generally manufactured by casting, manufacturing precision is not high, after pipe body and cover are assembled, assembly precision is not high, assembly gap is larger, affect subsequent sealing process, lead to bad sealing effect.

[0004] Therefore, how to provide a kind of electric vehicle battery lower pipe, improve the precision of pipe body and cover of electric-assisted bicycle after assembly, it is the technical problem that the technical personnel in the field urgently need to solve. INVENTION CONTENTS

[0005] The utility model mainly solves the technical problem to provide a kind of electric vehicle battery lower pipe, solve the problem that pipe body is not high in assembly precision after being assembled with cover, assembly gap is larger, affect subsequent sealing process, lead to bad sealing effect.

[0006] To solve the above technical problem, an embodiment of the utility model adopts one technical scheme: a kind of electric vehicle battery lower pipe, the battery lower pipe includes:

[0007] Pipe body, pedestal and cover, the pipe body is provided with profiled baffle, the profiled baffle separates pipe body into upper chamber and lower chamber, the upper portion of profiled baffle is provided with several positioning steps, pipe body is also provided with the installation groove for installing the cover, the height of the installation groove bottom surface from the positioning step is set as constant value, the pedestal is installed in the upper chamber of pipe body by positioning step, and the cover is installed in the installation groove by cooperating with the pedestal.

[0008] Preferably, the pedestal includes profiled base, two positioning mounting seats, positioning foot and battery installation cavity, two positioning mounting seats are arranged on the bottom of one side of the profiled base, and the positioning foot is arranged on the lower part of the positioning mounting seat.

[0009] Preferably, the upper part of positioning mounting seat is also provided with positioning groove, and the distance between the bottom surface of the positioning groove and the bottom surface of the positioning foot is a constant value.

[0010] Preferably, the battery installation cavity includes limiting step, and the bottom of the battery installation cavity is provided with a clearance hole.

[0011] Preferably, a plurality of reinforcing ribs are provided on the lower portion of the contoured partition along the length direction of the contoured partition.

[0012] Preferably, an assembly block for assembling the base is provided on the upper portion of the upper chamber of the tube body, and the assembly block is provided as a "Y"-shaped assembly block.

[0013] The beneficial effects of the utility model are as follows:

[0014] With the positioning step as a reference, the positioning mounting seat is assembled by cooperating with the positioning foot and the positioning step, and the cover body is then assembled with the positioning groove provided on the positioning mounting seat to achieve a unified reference for assembly, so as to improve the assembly accuracy, reduce the assembly gap, improve the subsequent sealing process, and improve the sealing effect after the pipe body is assembled with the cover body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of the utility model Figure One ;

[0016] Figure 2 This is a schematic diagram of the overall structure of the utility model Figure Two ;

[0017] Figure 3 yes Figure 2 A partial enlarged schematic diagram.

[0018] The parts in the accompanying drawings are marked as follows:

[0019] 100, tube body; 101, mounting groove; 102, assembly block;

[0020] 200, base; 201, contoured base; 202, positioning mounting seat; 203, positioning foot; 204, battery installation cavity; 2041, limiting step; 2042, clearance hole; 205, positioning slot;

[0021] 300, cover;

[0022] 400. Contoured partition; 401. Positioning step; 402. Reinforcement rib. DETAILED DESCRIPTION

[0023] The preferred embodiments of the present invention are described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more precise definition of the protection scope of the present invention.

[0024] Example: Refer to Figures 1-3 As shown, an electric vehicle battery lower tube includes:

[0025] The pipe body 100, the base 200 and the cover body 300, the pipe body 100 is provided with a profiled partition plate 400, the profiled partition plate 400 divides the pipe body 100 into an upper chamber and a lower chamber, the upper part of the profiled partition plate 400 is provided with a plurality of positioning steps 401, the pipe body 100 is also provided with a mounting groove 101 for mounting the cover body 300, the height from the bottom surface of the mounting groove 101 to the positioning steps 401 is set as a constant value, the base 200 is mounted in the upper chamber of the pipe body 100 through the positioning steps 401, and the cover body 300 is mounted in the mounting groove 101 by cooperation with the base 200.

[0026] Further, the base 200 comprises a profiled base 201, two positioning mounting seats 202, a positioning foot 203 and a battery mounting cavity 204, the two positioning mounting seats 202 are arranged at the bottom of one side of the profiled base 201, and the positioning foot 203 is arranged at the lower part of the positioning mounting seat 202.

[0027] The upper part of the positioning mounting seat 202 is also provided with a positioning groove 205, and the distance from the bottom surface of the positioning groove 205 to the bottom surface of the positioning foot 203 is a constant value.

[0028] The positioning mounting seat 202 is assembled by cooperation of the positioning foot 203 and the positioning steps 401, and the cover body 300 is assembled by cooperation of the positioning groove 205 arranged on the positioning mounting seat 202, so that the assembly is realized by unified reference, the assembly precision of the pipe body 100 after assembly with the cover body 300 is improved, the assembly gap is reduced, the subsequent sealing process is improved, and the sealing effect is improved.

[0029] The battery mounting cavity 204 comprises a limiting step 2041, and the bottom of the battery mounting cavity 204 is provided with a clearance hole 2042, and the clearance hole 2042 is arranged to avoid interference between the battery mounting cavity 204 and the end of the battery.

[0030] It should be particularly pointed out that the lower part of the profiled partition plate 400 is provided with a plurality of reinforcing ribs 402 along the length direction of the profiled partition plate 400, so as to improve the structural strength of the profiled partition plate 400.

[0031] The upper part of the upper chamber of the pipe body 100 is provided with an assembly block 102 for assembling the base 200, the assembly block 102 is arranged as a Y-shaped assembly block 102, and the upper part of the profiled base 201 is also provided with an assembly groove capable of matching the assembly block 102, so as to improve the assembly strength of the pipe body 100 and the profiled base 201.

[0032] The working principle of the present application is as follows:

[0033] The bottom surface of the mounting groove 101 is machined by a machining center, and then the bottom surface of the positioning step 401 is machined, so that the distance between the bottom surface of the mounting groove 101 and the bottom surface of the positioning step 401 is a constant value;

[0034] The positioning mounting base 202 is assembled by cooperating the positioning foot 203 with the positioning step 401, so that the distance between the bottom surface of the positioning groove 205 on the positioning mounting base 202 and the bottom surface of the positioning step 401 is a constant value;

[0035] The cover body 300 is assembled by cooperating with the positioning groove 205, so that the bottom surface of the cover body 300 is assembled with the bottom surface of the mounting groove 101.

[0036] In the description of the utility model, it should be explained that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the embodiment described and shown in the drawings, or the orientation or positional relationship commonly used when the utility model product is used, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element must have a specific orientation, structure and operation, therefore, it cannot be understood as a limitation on the utility model.

[0037] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structural transformation, direct or indirect application in other related technical fields based on the content of the utility model specification and drawings is also included in the patent protection range of the utility model.

Claims

1. An electric vehicle battery down tube, characterized in that: The battery down tube includes: A tube body, a base and a cover body, wherein a contoured partition is provided in the tube body, the contoured partition divides the tube body into an upper chamber and a lower chamber, a plurality of positioning steps are provided on the upper part of the contoured partition, and the tube body is further provided with a mounting groove for mounting the cover body, the height of the bottom surface of the mounting groove from the positioning step is set to a fixed value, the base is mounted in the upper chamber of the tube body through the positioning step, and the cover body is mounted in the mounting groove by cooperating with the base.

2. The electric vehicle battery down tube according to claim 1, characterized in that: The base includes a contoured base, two positioning mounting seats, positioning feet and a battery installation cavity. The two positioning mounting seats are arranged at the bottom of one side of the contoured base, and the positioning feet are arranged at the lower part of the positioning mounting seats.

3. The electric vehicle battery down tube according to claim 2, characterized in that: A positioning groove is further provided on the upper portion of the positioning mounting seat, and the distance between the bottom surface of the positioning groove and the bottom surface of the positioning foot is a fixed value.

4. The electric vehicle battery down tube according to claim 3, characterized in that: The battery installation cavity includes a limiting step, and a clearance hole is provided at the bottom of the battery installation cavity.

5. The electric vehicle battery down tube according to claim 4, characterized in that: The lower part of the contoured partition is provided with a plurality of reinforcing ribs along the length direction of the contoured partition.

6. The electric vehicle battery down tube according to claim 5, characterized in that: An assembly block for assembling the base is provided on the upper portion of the upper chamber of the tube body, and the assembly block is provided as a "Y"-shaped assembly block.

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