Tricycle handlebar stem shield

By using a split upper and lower protective cover structure and screw fixing connection, the problems of tricycle handlebar stem being susceptible to corrosion and complex installation are solved, achieving a firm installation and low-cost production.

CN223736187UActive Publication Date: 2025-12-30HUBEI WUDANG HEAVY IND TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520387230.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-07
Publication Date
2025-12-30
Estimated Expiration
2035-03-07

AI Technical Summary

Technical Problem

The existing tricycle handlebar structure is susceptible to rainwater erosion, is not stable, and is complex to install with high mold costs.

Method used

It adopts a split upper and lower protective cover structure, which is fixed and connected by rubber skin and screws, combined with M6 bolts and nuts, and is injection molded using PP material and 30% glass fiber.

Benefits of technology

It improves the installation stability and disassembly efficiency of the protective cover, and reduces the mold manufacturing cost.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of tricycles, and particularly relates to a tricycle stem protection cover which comprises a stem (1) and a handlebar (7), a lower protection cover (4) is arranged below the handlebar (7), a notch is formed in the lower protection cover (4), a tubular column of the stem (1) is buckled in the notch, and a rubber sheet (2) covers the notch in a sealing mode. The rubber skin (2) is fixedly connected to a notch of the lower protective cover (4) through a plurality of countersunk self-tapping screws (3), the top of the lower protective cover (4) is fixedly connected with a lower protective cover installation support (10) above the handlebar (7), an upper protective cover (6) is further arranged above the handlebar (7), and the bottom of the upper protective cover (6) is buckled with the top of the lower protective cover (4) and fixedly connected with the top of the lower protective cover (4) through a plurality of bolt assemblies (5). The disassembly and assembly are convenient, the tricycle handlebar stem shield is installed more firmly, the disassembly and assembly efficiency is improved, and the mold manufacturing cost is effectively reduced.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of tricycle, concretely is a tricycle handle post protection cover. BACKGROUND

[0002] Current tricycle handle post has many technical defects in the using process, first, the naked tricycle handle post structure is easy to be eroded by rain, which affects its service life, second, the existing simple cover is mostly connected by single layer cover plate, which is not stable and easy to fall off, third, the integral cover needs to disassemble the handle post mechanism, and the integral cover mold has complex structure and high cost. INVENTION CONTENTS

[0003] The utility model discloses a tricycle handle post protection cover which is simple in structure and convenient to disassemble and assemble, and solves the problems of unstable installation, low disassembly and assembly efficiency and high mold manufacturing cost of the current tricycle handle post protection cover.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a tricycle handle post protection cover, comprising a handle post and a handle, a lower cover is arranged below the handle, a notch is formed in the lower cover, the direction of the notch is consistent with the front of the handle, the pipe column of the handle post is buckled in the notch of the lower cover, a rubber skin is sealed on the notch of the lower cover, the rubber skin is fixedly connected to the notch of the lower cover through a plurality of countersunk self-tapping screws, and the top of the lower cover is fixedly connected with the lower cover mounting bracket above the handle.

[0005] A upper cover is further arranged above the handle, the bottom of the upper cover is buckled with the top of the lower cover, and the upper cover is fixedly connected through a plurality of bolt assemblies.

[0006] Further, the lower cover mounting bracket has two and is symmetrically arranged on the handle, the lower surface of the lower cover mounting bracket is attached to the upper surface of the handle, the disc head self-tapping screw is penetrated into the threaded hole at both ends of the lower cover mounting bracket, and the disc head self-tapping screw is fixedly connected to the corresponding screw fixed column in the lower cover.

[0007] Further, the disc head self-tapping screw is a cross slot disc head self-tapping screw with M6.

[0008] Further, the rubber skin is made of 3.0mm thick chloroprene rubber material.

[0009] Further, the countersunk self-tapping screw is a cross slot countersunk self-tapping screw with ST4.2x16mm, and the thread root is provided with a back-off prevention barb structure.

[0010] Further, the plurality of bolt assemblies are four groups of M6 bolts and nut connection assemblies.

[0011] Further, the upper and lower protective covers are made of PP material with 30% glass fiber and are injection molded.

[0012] The utility model discloses a beneficial effect: compared with prior art, the utility model provides a simple structure, easy to disassemble and assemble tricycle handlebar protective cover makes tricycle handlebar protective cover installation more firm, improves the dismounting and installation efficiency, effectively reduces the mould manufacturing cost. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a front view structural schematic diagram of a tricycle handlebar protective cover of the utility model;

[0014] Figure 2 It is a top view structural schematic diagram of a tricycle handlebar protective cover of the utility model;

[0015] Figure 3 It is an explosion structural schematic diagram of a tricycle handlebar protective cover of the utility model;

[0016] Figure 4 It is a kind of three-dimensional structural schematic diagram of a tricycle handlebar protective cover of the utility model.

[0017] As shown in the drawing: 1-handle, 2-rubber, 3-flat head self-tapping screw, 4-lower protective cover, 5-bolt assembly, 6-upper protective cover, 7-handle, 8-flat head self-tapping screw, 9-screw fixing column, 10-lower protective cover installation support. DETAILED DESCRIPTION

[0018] The technical scheme of the utility model will be described clearly and completely in combination with the drawings.

[0019] As Figures 1 to 4 shown, a tricycle handlebar protective cover, including handle 1, handle 7, the lower handle 7 has a lower protective cover 4, and the lower protective cover 4 is provided with a notch, the direction of the notch is consistent with the front of handle 7, and the pipe column of handle 1 is buckled in the notch of lower protective cover 4, and the notch of lower protective cover 4 is covered with a rubber 2, and the rubber 2 is fixedly connected to the notch of lower protective cover 4 by a plurality of flat head self-tapping screws 3, and the top of lower protective cover 4 is fixedly connected with the lower protective cover installation support 10 above handle 7.

[0020] The upper handle 7 is also provided with an upper protective cover 6, and the bottom of upper protective cover 6 is buckled with the top of lower protective cover 4 and is fixedly connected by a plurality of bolt assemblies 5.

[0021] In the embodiment, the protective cover adopts upper and lower split structure, improves the dismounting and installation efficiency, and effectively reduces the mould manufacturing cost.

[0022] As Figure 3As shown, there are two lower guard mounting brackets 10, which are symmetrically arranged on the handlebar 7. The lower surface of the lower guard mounting bracket 10 is in contact with the upper surface of the handlebar 7. Pan head self-tapping screws 8 are inserted into the threaded holes at both ends of the lower guard mounting bracket 10. The pan head self-tapping screws 8 are fixedly connected to the corresponding screw fixing posts 9 in the lower guard 4.

[0023] like Figure 3 As shown, the pan head self-tapping screw 8 is an M6 Phillips head pan head self-tapping screw; this embodiment can ensure that the lower guard 4 is installed more securely on the handlebar 7.

[0024] like Figures 2 to 3 As shown, the rubber sheet 2 is made of 3.0mm thick neoprene rubber.

[0025] like Figures 2 to 4 As shown, the countersunk self-tapping screw 3 is an ST4.2×16mm cross-head countersunk self-tapping screw with an anti-backlash barb structure at the root of the thread. This implementation scheme ensures that the installation surface of the rubber sheet 2 is smooth and beautiful, and also ensures that the rubber sheet 2 is firmly and reliably installed at the notch of the lower cover 4.

[0026] like Figure 3 As shown, the multiple bolt assemblies 5 are four sets of M6 bolt and nut connection assemblies; this implementation scheme ensures that the lower cover 4 and the upper cover 6 are easy to disassemble and assemble, and also ensures that the lower cover 4 and the upper cover 6 are firmly and reliably installed.

[0027] like Figure 4 As shown, both the upper protective cover 6 and the lower protective cover 4 are made of PP material with 30% glass fiber injection molding.

[0028] The specific working principle of this utility model is as follows:

[0029] First, the notch of the lower guard 4 faces the front of the handlebar 7 and is inserted from below the handlebar 7. The stem of the stem 1 is fastened in the notch. At the same time, the pan head self-tapping screws 8 are inserted into the threaded holes at both ends of the two lower guard mounting brackets 10. The pan head self-tapping screws 8 are fixedly connected to the corresponding screw fixing posts 9 in the lower guard 4. In order to firmly fix the lower guard 4 to the bottom of the handlebar 7, the pan head self-tapping screws (8) are M6 cross-slot pan head self-tapping screws.

[0030] Then, fasten the upper guard 6 on the handlebar 7 onto the top of the lower guard 4, and use four sets of M6 bolts and nuts to connect the upper guard 6 and the lower guard 4.

[0031] Finally, multiple countersunk self-tapping screws 3 are used to fix the rubber sheet 2 to the notch of the lower cover 4. The rubber sheet 2 is made of 3.0mm thick neoprene rubber, and the countersunk self-tapping screws 3 are ST4.2×16mm cross-head countersunk self-tapping screws with anti-backlash barb structure at the root of the thread.

[0032] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any simple modifications, equivalent substitutions, improvements, etc., made within the technical concept of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A motorcycle handlebar riser guard comprising a handlebar riser (1), a handlebar (7), characterised in that: The lower guard (4) of the handlebar (7) has an opening in the front direction, the tube column of the handlebar (1) is buckled in the opening of the lower guard (4), the opening of the lower guard (4) is covered with a rubber skin (2), the rubber skin (2) is fixedly connected to the opening of the lower guard (4) by a plurality of countersunk self-tapping screws (3), the top of the lower guard (4) is fixedly connected with the lower guard mounting bracket (10) above the handlebar (7). The upper guard (6) is above the handlebar (7), the bottom of the upper guard (6) is buckled with the top of the lower guard (4) and fixedly connected by a plurality of bolt assemblies (5).

2. A motorcycle handlebar riser guard according to claim 1, characterised in that: The lower guard mounting bracket (10) has two, symmetrically arranged on the handlebar (7), the lower surface of the lower guard mounting bracket (10) is attached to the upper surface of the handlebar (7), the threaded holes at both ends of the lower guard mounting bracket (10) are penetrated by the pan head self-tapping screws (8), and the pan head self-tapping screws (8) are fixedly connected to the corresponding screw fixing columns (9) in the lower guard (4).

3. A motorcycle handlebar riser guard according to claim 2, characterised in that: The pan head self-tapping screw (8) is a cross slot pan head self-tapping screw of M6.

4. A motorcycle handlebar riser guard according to claim 3, characterised in that: The rubber skin (2) is made of 3.0mm thick neoprene material.

5. A motorcycle handlebar riser guard according to claim 4, characterised in that: The countersunk self-tapping screw (3) is a cross slot countersunk self-tapping screw of ST4.2×16mm, and the thread root is provided with a back-off barb structure.

6. A motorcycle handlebar riser guard according to claim 5, characterised in that: The plurality of bolt assemblies (5) are four groups of M6 bolt and nut connection assemblies.

7. A motorcycle handlebar riser guard according to any one of claims 1 to 6, characterised in that: The upper guard (6) and the lower guard (4) are both made of PP material with 30% glass fiber injection molding.