Novel five-way pipe of electric vehicle

By designing a guide groove in the bottom bracket of the electric vehicle to facilitate the flow of lubricant in contact with the bearing, the problem of bearing corrosion was solved, and the service life of the bearing was extended.

CN223919492UActive Publication Date: 2026-02-17ZHEJIANG HENGWEI AUTOMOBILE CO LTD
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Patent Information

Application Number
CN202520752234.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-21
Publication Date
2026-02-17
Estimated Expiration
2035-04-21

AI Technical Summary

Technical Problem

Existing bicycle bottom brackets are prone to rust on the bearing surface when not in use, resulting in a shortened service life.

Method used

A five-way pipe for electric vehicles was designed. Lubricant injected into the cavity flows into the guide groove and contacts the bearing. The lubricant on the guide groove flows through the gaps to the inner bearing. The bearing and the outer shaft are lubricated during operation, reducing the occurrence of rust on the bearing surface, reducing damage caused by direct operation of the bearing when idle, and improving service life.

Benefits of technology

By injecting lubricant into the bearing surface, corrosion is reduced and the bearing's service life is extended.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223919492U_ABST
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Abstract

The utility model relates to the technical field of electric vehicles, in particular to a novel five-way pipe of an electric vehicle, which comprises a five-way pipe and a built-in ring, the inner wall of the five-way pipe is in threaded connection with the built-in ring, the inner wall of the built-in ring is movably connected with a built-in sleeve shaft, a groove is processed at the end part of the built-in sleeve shaft, the inner wall of the groove is abutted against a rubber ring, and the rubber ring is movably connected with the built-in sleeve shaft. And a protection mechanism is processed at the end part of the five-way pipe. When the bearing is idle, a lubricant is injected into a cavity through a hole in the upper end, when vibration is generated during work of an external axis installed in the bearing, the lubricant in the cavity flows into a flow guide groove to make contact with the bearing, the lubricant on the flow guide groove flows to the bearing on the inner side from a gap, the bearing and the external axis are lubricated in the work process, and the service life of the bearing is prolonged. The surface of the bearing is prevented from being rusted, damage caused by direct working of the idle bearing is reduced, and the service life is prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to electric vehicle field technical field, concretely is a new five -way pipe of electric vehicle. BACKGROUND

[0002] Electric bicycle, usually is two -wheeled small -size land vehicle, person rides the car, with pedal or battery as power, is green environmental protection's traffic tool, five -way is the position of frame toothed disc, is connected with the middle pipe, sits the pipe, in the bottom of frame, the five -way pipe of electric bicycle is mainly used for electric bicycle crank, toothed disc and toothed disc axis center etc.

[0003] For example, the utility model discloses a five -way pipe for bicycle of CN216374852U, although the existing five -way pipe for bicycle, built -in ring and forcing sleeve are easy to loosen, the built -in ring is effectively limited by the limiting sleeve on the thread hole, so that the forcing sleeve is installed in the built -in ring and does not slip, then by the screw and the limiting sleeve thread connection and the forcing sleeve is pressed tightly, so that the five -way pipe and bowl group connection firm enhancement and safety is improved, considering the existing five -way pipe for bicycle, by the screw and the limiting sleeve thread connection and the forcing sleeve is pressed tightly, the bearing installed in the side end of five -way pipe for bicycle is in the exposed state, in the face of idle time, the smoothness in bearing reduces, the bearing surface inevitably appears to be corroded rough, makes the bearing direct work to appear damage, leads to the shortening of service life. SUMMARY

[0004] The utility model discloses a five -way pipe of electric vehicle, which solves the problem of the existing five -way pipe for bicycle, the bearing surface appears to be corroded rough in the face of idle time, the bearing direct work appears damage, and the service life is shortened.

[0005] To achieve the above object, the utility model provides the following technical scheme: a five -way pipe of electric vehicle, including five -way pipe body and built -in ring, the inner wall of five -way pipe body is connected with built -in ring thread, the inner wall of built -in ring is movably connected with built -in sleeve shaft, the end of built -in sleeve shaft is processed with recess, the inner wall of recess is tightly contacted with rubber ring, and the end of five -way pipe body is processed with protection mechanism.

[0006] Preferably, the protection mechanism includes an outer connecting cylinder, the end of the outer connecting cylinder is threadedly connected with the five -way pipe body, the outer wall of the outer connecting cylinder is processed with a cavity, the inner wall of the outer connecting cylinder is processed with a flow guide groove, and the lower end of the cavity is in communication with the flow guide groove.

[0007] Preferably, the outer wall of the outer connecting cylinder is movably connected with a grommet, and the inner wall of the outer connecting cylinder is connected with a mounting mechanism.

[0008] Preferably, the mounting mechanism comprises an inner connecting cylinder, an outer wall of the inner connecting cylinder is threadedly connected with the outer connecting cylinder, the outer wall of the inner connecting cylinder is processed with a circular groove, an inner wall of the circular groove is movably connected with the fixing screw, and an outer wall of the fixing screw is threadedly connected with the inner connecting cylinder.

[0009] Preferably, the inner wall of the inner connecting cylinder is movably connected with the bearing, and the end of the fixing screw abuts against the bearing.

[0010] Preferably, the outer wall of the gasket ring is fitted with the inner connecting cylinder.

[0011] The utility model discloses a novel five-way pipe body of electric vehicle has beneficial effects in that: when idle, injecting lubricant into the inside of the cavity through the hole of the upper end, when the bearing inside installs the vibration of the outside axle core work, the lubricant in the inside of the cavity flows into the contact of the guide groove and bearing, and the lubricant on the guide groove flows to the inside bearing from the gap, and the bearing reaches lubrication in the outside axle core work, reduces the rusted condition of bearing surface, reduces the damage of bearing direct work in idle, improves the service life. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the structural schematic diagram of the utility model;

[0013] Figure 2 It is Figure 1 It is the central front view sectional structure schematic diagram;

[0014] Figure 3 It is Figure 1 It is the central side view sectional structure schematic diagram;

[0015] Figure 4 It is Figure 2 It is the outer connecting cylinder and the cavity connection relation schematic diagram;

[0016] Figure 5 It is Figure 2 It is the inner connecting cylinder and the circular groove connection relation schematic diagram;

[0017] Figure 6 It is Figure 2 It is the inner connecting cylinder enlarged structure schematic diagram.

[0018] In the drawing: 1, five-way pipe body, 2, built-in ring, 3, built-in sleeve shaft, 4, recess, 5, rubber ring, 6, protection mechanism, 601, outer connecting cylinder, 602, cavity, 603, guide groove, 7, gasket ring, 8, mounting mechanism, 801, inner connecting cylinder, 802, circular groove, 803, fixing screw, 9, bearing. DETAILED DESCRIPTION

[0019] The utility model will be further described in connection with the drawings: Embodiment

[0020] Please refer to Figures 1-6 : In this embodiment, a new type of five-way pipe for electric vehicles includes a five-way pipe body 1 and an inner ring 2. The inner wall of the five-way pipe body 1 is threadedly connected with the inner ring 2. The inner wall of the inner ring 2 is movably connected with an inner sleeve shaft 3. The end of the inner sleeve shaft 3 is processed with a groove 4. The inner wall of the groove 4 is tightly contacted with a rubber ring 5. The end of the five-way pipe body 1 is processed with a protection mechanism 6.

[0021] The protection mechanism 6 includes an outer connecting cylinder 601. The lubricant inside the cavity 602 flows into the flow guide groove 603 and contacts the bearing 9. The lubricant on the flow guide groove 603 flows into the bearing 9 from the gap, so that the bearing 9 is lubricated and protected. The end of the outer connecting cylinder 601 is threadedly connected with the five-way pipe body 1. The outer wall of the outer connecting cylinder 601 is processed with the cavity 602. The inner wall of the outer connecting cylinder 601 is processed with the flow guide groove 603. The lower end of the cavity 602 is communicated with the flow guide groove 603.

[0022] When idle, the hole at the upper end injects lubricant into the cavity 602. When the bearing 9 inside the outer shaft works, the lubricant inside the cavity 602 flows into the flow guide groove 603 and contacts the bearing 9. The lubricant on the flow guide groove 603 flows into the bearing 9 from the gap. The bearing 9 is lubricated in the outer shaft work, reducing the rusting of the bearing surface, reducing the damage of the bearing 9 in direct work during idle, and improving the service life.

[0023] The outer wall of the outer connecting cylinder 601 is movably connected with a gasket ring 7 made of rubber. The gasket ring 7 mainly connects the outer connecting cylinder 601 and the inner connecting cylinder 801 more stably, avoiding loosening between the outer connecting cylinder 601 and the inner connecting cylinder 801. The inner wall of the outer connecting cylinder 601 is connected with a mounting mechanism 8. The outer wall of the bearing 9 is tightly fixed by the fixed screw 803 passing through the circular groove 803. The bearing 9 is mounted between the inner connecting cylinder 801. The mounting mechanism 8 includes the inner connecting cylinder 801. The outer wall of the inner connecting cylinder 801 is threadedly connected with the outer connecting cylinder 601. The outer wall of the inner connecting cylinder 801 is processed with the circular groove 802. The inner wall of the circular groove 802 is movably connected with the fixed screw 803. The outer wall of the fixed screw 803 is threadedly connected with the inner connecting cylinder 801.

[0024] The inner wall of the inner connecting cylinder 801 is movably connected with the bearing 9. The end of the fixed screw 803 is tightly contacted with the bearing 9. The outer wall of the gasket ring 7 is tightly contacted with the inner connecting cylinder 801.

[0025] Working principle:

[0026] When the bowl group (electric vehicle rough and fine precision parts, support mechanical rotating body in radial and axial direction, reduce friction coefficient in its movement process) needs to be installed into the five-way pipe body 1, first, the built-in ring 2 and the inner lining sleeve 3 are arranged inside the five-way pipe body 1, and the outer threaded cylinder 601 is screwed with the inside of the five-way pipe body 1 to be threadedly connected, the end of the outer threaded cylinder 601 is also fixed in position with the built-in ring 2, and the rubber ring 5 on the outer threaded cylinder 601 is tightly pressed into the groove 4 inside the inner lining sleeve 3, ensuring the stability of the work between the inner lining sleeve 3 and the outside, at the same time, the bearing 9 is put into the inner connecting cylinder 801, the outer wall of the bearing 9 is tightly fixed by the fixed screw 803 passing through the circular groove 802, the bearing 9 and the inner connecting cylinder 801 are installed, the assembly of the five-way pipe body 1 in the whole electric vehicle is completed, the inner connecting cylinder 801 is screwed into the outer threaded cylinder 601 for threaded installation, the inside of the cavity 602 is injected with lubricant through the hole at the upper end at regular intervals, and when the bearing 9 inside the shaft works, the lubricant in the cavity 602 flows into the guide groove 603 in contact with the bearing 9, the lubricant on the guide groove 603 flows from the gap to the bearing 9, so that the bearings 9 on both sides of the five-way pipe body 1 of the electric vehicle are lubricated with the shaft in the external bowl group, the friction in the movement is reduced, and the protection effect is improved.

[0027] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A novel bottom bracket for electric vehicles, comprising a bottom bracket body (1) and an inner ring (2), wherein the inner wall of the bottom bracket body (1) is threadedly connected to the inner ring (2), characterized in that: The inner wall of the built-in ring (2) is movably connected to the built-in sleeve shaft (3). The end of the built-in sleeve shaft (3) is machined with a groove (4). The inner wall of the groove (4) abuts against the rubber ring (5). The end of the five-way pipe body (1) is machined with a protective mechanism (6).

2. The novel five-way connector for electric vehicles according to claim 1, characterized in that: The protection mechanism (6) includes an outer connecting cylinder (601), the end of which is threadedly connected to the five-way pipe body (1), the outer wall of the outer connecting cylinder (601) is machined with a cavity (602), the inner wall of the outer connecting cylinder (601) is machined with a guide groove (603), and the lower end of the cavity (602) is connected to the guide groove (603).

3. The novel five-way connector for electric vehicles according to claim 2, characterized in that: The outer wall of the outer connecting cylinder (601) is movably connected to the gasket (7), and the inner wall of the outer connecting cylinder (601) is connected to the mounting mechanism (8).

4. The novel five-way connector for electric vehicles according to claim 3, characterized in that: The installation mechanism (8) includes an inner connecting cylinder (801), the outer wall of which is threadedly connected to an outer connecting cylinder (601), the outer wall of which is machined with a circular groove (802), the inner wall of which is movably connected to a fixing screw (803), and the outer wall of which is threadedly connected to the inner connecting cylinder (801).

5. The novel five-way connector for electric vehicles according to claim 4, characterized in that: The inner wall of the inner connecting cylinder (801) is movably connected to the bearing (9), and the end of the fixing screw (803) abuts against the bearing (9).

6. The novel five-way connector for electric vehicles according to claim 3, characterized in that: The outer wall of the gasket (7) is in contact with the inner connecting cylinder (801).

Citation Information

Patent Citations

  • Five-way pipe for bicycle

    CN216374852U