Electric tricycle frame

By welding wheel guards and sliding sleeves to the outside of the electric tricycle frame chassis, the problems of non-adjustable crossbars and lack of rubber wheel protection are solved, achieving safe protection and position adjustment of the rubber wheels, and convenient sludge removal.

CN223803701UActive Publication Date: 2026-01-16TIANJIN DAAN ELECTRIC TRICYCLE
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Patent Information

Application Number
CN202423226230.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2026-01-16
Estimated Expiration
2034-12-26

AI Technical Summary

Technical Problem

The existing electric tricycle frame has a fixed connection between the crossbar and the front post that is not adjustable, and it lacks installation positions and protective devices for rubber wheels, which makes it inconvenient to use.

Method used

Design an electric tricycle frame with symmetrical wheel covers welded to the outer sides of the chassis frame. The bottom of the front triangular frame is equipped with a sliding sleeve and a sliding traction frame. A hand-cranked lifting wheel is provided on the sliding limit rod to allow for adjustment of position and height.

Benefits of technology

It effectively protects the rubber wheels, facilitates the scraping of sludge, allows for flexible adjustment of the traction frame position, and improves operational convenience and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to an electro-tricycle frame, and belongs to the technical field of mechanical parts. Wheel protection covers are welded on the outer side surface of the U-shaped structure of the chassis frame in a bilateral symmetry manner; the rubber wheel is used for protecting the top of the rubber wheel and ensuring use safety. A mud scraping plate is fixedly arranged at the lower end of one side of the wheel protecting cover through a screw; a certain amount of sludge and garbage blocks can be conveniently scraped in use; a sliding sleeve is fixedly arranged in the center of the bottom of a tripod at the front end of the chassis frame, and a traction frame is slidably arranged in the sliding sleeve and can freely stretch out and draw back in the sliding sleeve to adjust the position. A sliding limiting rod is movably arranged in a limiting head arranged on the traction frame, a limiting rod is movably arranged on the sliding limiting rod through a screw, and a hand-operated lifting wheel is fixedly arranged in the limiting rod; the left-right position of the hand-operated lifting wheel can be adjusted through a limiting rod, and the distance between the hand-operated lifting wheel and the ground can be adjusted up and down through a hand-operated handle. Operation is convenient, and practicability is high.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of electric tricycles, belong to mechanical fittings technical field. BACKGROUND

[0002] Tricycle is a kind of bicycle reformed traffic tool, then gradually replaced the position of rickshaw.Tricycle can be divided into human-powered tricycle, electric tricycle, children's tricycle and battery tricycle etc..Motor tricycle power adopts gasoline engine and diesel engine two, and electric tricycle greatly increases power, increases load weight, improves transport capacity.Motor tricycle is divided into two parts, front part has a steerable wheel, handlebar, bell, brake, footrest and seat, with chain to drive rear wheel rotation.

[0003] Chinese utility model patent discloses, name is, a kind of electric tricycles, authorized announcement number CN221794806U, its structure description is, including footboard frame body 1 and carriage frame body 2, footboard frame body 1 is located below carriage frame body 2, footboard frame body 1 and carriage frame body 2 all include the longitudinal beam 3 of two sides and the crossbeam 4 between longitudinal beam 3, the longitudinal beam 3 front end of footboard frame body 1 is set bending upwards section 5, the longitudinal beam 3 rear end of footboard frame body 1 is set bending upwards section 5 and bending straight section 6 connected in sequence, i.e. bending upwards first and then bending rear horizontal extension.Carriage frame body 2 front end is connected with footboard frame body 1 by stand 7, the bending straight section 6 of longitudinal beam 3 rear end of footboard frame body 1 is overlapped on the crossbeam 4 of carriage frame body 2 rear end, specifically, the crossbeam 4 of carriage frame body 2 front end connects the end of longitudinal beam 3 of carriage frame body 2 two sides.The utility model not only can reduce the welding point of carriage frame body through stand and footboard frame body, and the stability of car frame overall structure is enhanced.

[0004] The patent has the following disadvantages: the crossbar 8 and the head column mounting cylinder 9 are integrally fixedly connected with the carriage frame body 2 through the longitudinal beam 3 and the footboard frame body 1, cannot be flexibly adjusted in left and right size, and the bottom of the carriage frame body 2 is not designed with rubber wheel mounting position and protection device, which has certain defects in actual operation and is inconvenient to use. UTILITY MODEL CONTENTS

[0005] In order to solve the problems in the prior art, the utility model discloses a kind of electric tricycle frame, the outer side of the U-shaped structure of chassis frame is symmetrically welded with wheel guard cover;To protect the top of rubber wheel, ensure safety when using;The lower end of the one side of wheel guard cover is fixed with mud scraping plate by screw;In use, a certain amount of sludge and garbage block can be conveniently scraped off;The bottom center position of the front end triangular frame of chassis frame is fixed with sliding sleeve, sliding sleeve is slidably arranged with traction frame, and traction frame can be freely telescopic adjusted in sliding sleeve;Limiting head set on traction frame is movably provided with sliding limiting rod, and limiting rod is movably provided on sliding limiting rod by screw, and hand-operated lifting wheel is fixed in limiting rod;Hand-operated lifting wheel can be adjusted left and right position by limiting rod, and the distance between hand-operated lifting wheel and ground can be adjusted up and down by hand crank;It is convenient to operate, and high practicality.

[0006] To achieve the above object, the utility model provides the following technical scheme

[0007] An electric tricycle frame, characterized in that: comprising chassis frame 2, the chassis frame 2 is conical structure, one end of chassis frame 2 is triangular frame 21, the other end is U-shaped structure, and both are welded together, a plurality of cross beams 22 are transversely welded in the middle, and tail fixed plate 3 is perpendicularly welded at the tail of the U-shaped structure, the outer side of the U-shaped structure of chassis frame 2 is symmetrically welded with wheel guard cover 5;The bottom center position of the front end triangular frame 21 of chassis frame 2 is fixed with sliding sleeve 6, and traction frame 1 is slidably arranged in sliding sleeve 6, and both are movably connected by screw.

[0008] The traction frame 1 is composed of limiting head 11, hand-operated lifting wheel 12, limiting rod 13 and sliding limiting rod 14;The limiting head 11 is movably provided with sliding limiting rod 14.

[0009] The sliding limiting rod 14 is movably provided with limiting rod 13 by screw.

[0010] The limiting rod 13 is movably provided with hand-operated lifting wheel 12.

[0011] The lower end of the one side of wheel guard cover 5 is fixed with mud scraping plate 4 by screw.

[0012] The utility model has the advantages that:

[0013] 1, simple overall structure design, less investment material, adopt welding procedure just can complete operation;

[0014] 2, the outer side of the U-shaped structure of chassis frame 2 is symmetrically welded with wheel guard cover 5;To protect the top of rubber wheel, ensure safety when using;The lower end of the one side of wheel guard cover 5 is fixed with mud scraping plate 4 by screw;In use, a certain amount of sludge and garbage block can be conveniently scraped off, so as to avoid accident;

[0015] 3. A sliding sleeve 6 is fixedly installed at the bottom center of the front triangular frame 21 of the chassis frame 2. A traction frame 1 is slidably installed inside the sliding sleeve 6, and the traction frame 1 can freely extend and retract to adjust its position. A sliding limit rod 14 is movably installed inside the limit head 11 on the traction frame 1. A limit rod 13 is movably installed on the sliding limit rod 14 via screws. A hand-cranked lifting wheel 12 is fixed inside the limit rod 13. The hand-cranked lifting wheel 12 can be adjusted left and right via the limit rod 13, and its vertical distance from the ground can be adjusted by a hand crank. It is easy to operate and highly practical. Attached Figure Description

[0016] Figure 1 This is a front view of the present invention.

[0017] Figure 2 This is a top view of the present invention.

[0018] Figure 3 The three-dimensional representation of this utility model Figure 1 .

[0019] Figure 4 The three-dimensional representation of this utility model Figure 2 .

[0020] Figure 5 for Figure 4 Front view of the middle traction frame 1.

[0021] Figure 6 for Figure 5 A three-dimensional image;

[0022] In the diagram: 1. Traction frame, 11. Limiting head, 12. Hand-cranked lifting wheel, 13. Limiting rod, 14. Sliding limiting rod, 2. Chassis frame, 21. Triangle frame, 22. Crossbeam, 3. Tail fixing plate, 4. Mud scraper, 5. Wheel guard, 6. Sliding sleeve. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] As attached Figures 1-6As shown, an electric tricycle frame, including chassis frame 2, the chassis frame 2 is conical structure, one end of chassis frame 2 is tripod 21, the other end is U-shaped structure, both are welded together, a plurality of cross beams 22 are transversely welded in the middle, the tail of the U-shaped structure is vertically welded with tail fixing plate 3, the outer side of the U-shaped structure of the chassis frame 2 is symmetrically welded with wheel guard 5; The bottom center of the front end of the tripod 21 of the chassis frame 2 is fixedly provided with a sliding sleeve 6, a traction frame 1 is slidably arranged in the sliding sleeve 6, and the two are connected through screws; The traction frame 1 is composed of a limiting head 11, a hand-operated lifting wheel 12, a limiting rod 13 and a sliding limiting rod 14; The sliding limiting rod 14 is movably arranged in the limiting head 11, the limiting rod 13 is movably arranged on the sliding limiting rod 14 through screws, and the hand-operated lifting wheel 12 is fixedly arranged in the limiting rod 13; One side of the lower end of the wheel guard 5 is fixedly provided with a mud scraping plate 4 through screws.

[0025] The working principle of the electric tricycle frame is as follows:

[0026] The outer side of the U-shaped structure of the chassis frame 2 is symmetrically welded with a wheel guard 5; the wheel guard 5 is used to protect the top of the rubber wheel and ensure safety during use; one side of the lower end of the wheel guard 5 is fixedly provided with a mud scraping plate 4 through screws; during use, a certain amount of sludge and garbage can be conveniently scraped off to prevent accidents; the bottom center of the front end of the tripod 21 of the chassis frame 2 is fixedly provided with a sliding sleeve 6, a traction frame 1 is slidably arranged in the sliding sleeve 6, and the traction frame 1 can be freely adjusted in position in the sliding sleeve 6; the limiting head 11 arranged on the traction frame 1 movably has a sliding limiting rod 14, the limiting rod 13 is movably arranged on the sliding limiting rod 14 through screws, and the hand-operated lifting wheel 12 is fixedly arranged in the limiting rod 13; the hand-operated lifting wheel 12 can be adjusted in left-right position through the limiting rod 13, and the up-down position of the hand-operated lifting wheel 12 can be adjusted through the hand crank to adjust the distance from the ground.

[0027] The embodiments of the present application are given for the purpose of example and description, and are not exhaustive or limit the present application to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present application, and to enable those of ordinary skill in the art to understand the present application so as to design various embodiments with various modifications suitable for specific purposes.

Claims

1. An electrically powered tricycle frame, characterised in that: The utility model provides a kind of trailer frame, including chassis frame (2), the chassis frame (2) is conical structure, one end of chassis frame (2) is tripod (21), the other end is U-shaped structure, and both are welded together, multiple cross beams (22) are welded in the middle transversely, tail fixed plate (3) is vertically welded in the tail of U-shaped structure, the outside of the U-shaped structure of the chassis frame (2) is symmetrically welded with wheel guard (5) left and right;The bottom center position of the front end tripod (21) of the chassis frame (2) is fixed with slide sleeve (6), traction frame (1) is slidably arranged in slide sleeve (6), and both are connected by screw.

2. An electrically powered tricycle frame as claimed in claim 1, characterised in that: The traction frame (1) is composed of a limiting head (11), a hand-operated lifting wheel (12), a limiting rod (13) and a sliding limiting rod (14).

3. An electrically powered tricycle frame as claimed in claim 2, characterised in that: The sliding limiting rod (14) is movably provided with the limiting rod (13) through a screw.

4. An electrically powered tricycle frame as claimed in claim 3, characterised in that: The limiting rod (13) is movably provided with the hand-operated lifting wheel (12) through a screw.

5. The electrically driven three-wheeled vehicle frame of claim 1, wherein: The wheel guard (5) is provided with a mud scraping plate (4) at one side and a lower end through a screw. The utility model provides a kind of trailer frame, including chassis frame (2), the chassis frame (2) is conical structure, one end of chassis frame (2) is tripod (21), the other end is U-shaped structure, and both are welded together, multiple cross beams (22) are welded in the middle transversely, tail fixed plate (3) is vertically welded in the tail of U-shaped structure, the outside of the U-shaped structure of the chassis frame (2) is symmetrically welded with wheel guard (5) left and right;The bottom center position of the front end tripod (21) of the chassis frame (2) is fixed with slide sleeve (6), traction frame (1) is slidably arranged in slide sleeve (6), and both are connected by screw. The traction frame (1) is composed of a limiting head (11), a hand-operated lifting wheel (12), a limiting rod (13) and a sliding limiting rod (14). The sliding limiting rod (14) is movably provided with the limiting rod (13) through a screw. The limiting rod (13) is movably provided with the hand-operated lifting wheel (12) through a screw. The wheel guard (5) is provided with a mud scraping plate (4) at one side and a lower end through a screw.