Integral carriage frame connecting piece of electro-tricycle

By designing an integrated chassis and frame connector, and using connecting plates and lugs to reinforce the connection points, the problem of easy breakage in the connection between the electric tricycle chassis and frame was solved, achieving higher connection strength and convenient installation, and extending service life.

CN223686671UActive Publication Date: 2025-12-19SICHUAN ZHENGYU MOTORCYCLE MFG CO LTD
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Patent Information

Application Number
CN202520006927.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-02
Publication Date
2025-12-19
Estimated Expiration
2035-01-02

AI Technical Summary

Technical Problem

Most existing electric tricycles use single-point welding to connect the carriage and frame, which makes the connection prone to breakage, has a short service life, and poor connection stability.

Method used

The integrated car body frame connector, including connecting plates, fixed uprights and multiple lugs, is made by bending to increase the number of connection points. The fixed uprights and lugs are used to achieve a fixed connection between the frame and the car body, enhancing the load-bearing capacity. Locking holes are also provided to facilitate installation and maintenance.

Benefits of technology

It improves the stress resistance of the connection, prevents breakage, extends service life, increases installation efficiency, and saves assembly time.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an integral type carriage frame connecting piece of an electric tricycle, which comprises a connecting piece body, the connecting piece body comprises a connecting plate, a first fixed vertical plate and a second fixed vertical plate, first connecting support lugs are arranged on two sides of the upper end of the first fixed vertical plate, and second connecting support lugs are arranged on two sides of the upper end of the second fixed vertical plate. Second connecting supporting lugs are arranged on the two sides of the upper end of the second fixing vertical plate, one end of the connecting plate is connected with the first fixing vertical plate, the connecting position of the connecting plate and the first fixing vertical plate is located between the two first connecting supporting lugs, the other end of the connecting plate is connected with the second fixing vertical plate, and the connecting position of the connecting plate and the second fixing vertical plate is located between the two second connecting supporting lugs. Connecting points are effectively increased through the fixing vertical plate and the supporting lugs, the stress capacity of the connecting positions is greatly improved, the connecting positions are prevented from being broken, the service life of the connecting positions is prolonged, meanwhile, the supporting lugs have the positioning and limiting functions, installation and butt joint of the frame and a compartment are more convenient, working efficiency is improved, and assembling time is saved.
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Description

Technical Field

[0001] This utility model relates to the technical field of electric tricycle connectors, and more specifically to an integrated vehicle body frame connector for an electric tricycle. Background Technology

[0002] Electric tricycles are a common mode of transportation in our daily lives, offering considerable carrying capacity and making life more convenient. However, most existing systems connect the cargo box and frame using connecting plates, which are then welded to the frame and side walls of the chassis. This method suffers from single-point stress, making the welds prone to breakage, resulting in a short lifespan and poor structural integrity between the cargo box and frame. Utility Model Content

[0003] The purpose of this utility model is to overcome the shortcomings of the existing technology and provide an integrated chassis frame connector for electric tricycles. This utility model effectively increases the number of connection points by using a fixed upright plate and multiple support ears, which greatly increases the stress capacity of the connection, avoids breakage at the connection, and increases its service life. At the same time, the support ears also have specific positioning and limiting functions, making it easier to install and connect the chassis and the vehicle body, improving work efficiency and saving assembly time.

[0004] The purpose of this utility model is achieved through the following technical solution: an integral vehicle frame connector for an electric tricycle, comprising a connector body, the connector body comprising a connecting plate, a first fixed upright plate and a second fixed upright plate, the upper ends of the first fixed upright plate having first connecting ears on both sides, the upper ends of the second fixed upright plate having second connecting ears on both sides, one end of the connecting plate being connected to the first fixed upright plate, and the connection point being located in the middle of the two first connecting ears, the other end of the connecting plate being connected to the second fixed upright plate, and the connection point being located in the middle of the two second connecting ears.

[0005] In one preferred embodiment, a connecting cross plate is also provided between the second connecting lug and the second fixed upright plate.

[0006] In one preferred embodiment, the first fixed upright plate is provided with a first locking hole, and the second fixed upright plate is provided with a second locking hole.

[0007] In one preferred embodiment, both the first locking hole and the second locking hole are strip-shaped through holes.

[0008] In one preferred embodiment, all edges of the connector body are chamfered.

[0009] The utility model discloses beneficial effect is: the utility model discloses connecting piece utilizes the original connecting plate and is made through the mode of bending, and the overall structural strength is high, utilizes fixed stand and a plurality of support lug to realize the fixed connection of car frame and carriage, effectively increases the connecting point, makes the stress capacity of connecting place increase greatly, avoids the fracture of connecting place, increases its service life, and the support lug still specific positioning and limiting function, more convenient for the installation butt joint of car frame and carriage, promotes work efficiency, saves assembly time. BRIEF DESCRIPTION OF DRAWINGS

[0010] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be briefly introduced the drawing needed to be used in the embodiment, should understand, the following drawing only shows some embodiments of the utility model, therefore should not be seen as the limitation to the range, for the ordinary skilled person in the art comes, under the premise of not paying the creative labor, can also obtain other related drawings according to these drawings.

[0011] Figure 1 It is the overall structure schematic diagram of the utility model;

[0012] In the drawing, 1-connecting plate, 2-first fixed stand, 3-second fixed stand, 4-first connecting support lug, 5-second connecting support lug, 6-connecting cross plate, 7-first locking hole, 8-second locking hole. DETAILED DESCRIPTION

[0013] In order to make the purpose, technical scheme and advantage of the embodiment of the utility model more clearly, the following will be combined with the drawing in the embodiment of the utility model, and the technical scheme in the embodiment of the utility model is clearly and completely described, obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiment. The components of the embodiment of the utility model described and shown in the drawing here can be arranged and designed in various different configurations.

[0014] Therefore, the following detailed description of the embodiment of the utility model provided in the drawing is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skilled person in the art without making creative labor belong to the scope of the protection of the utility model.

[0015] It should be noted that: similar signs and letters show similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0016] In the description of the utility model, it needs to be explained that the orientation or position relation indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relation shown in the drawings, or is the orientation or position relation commonly placed when the utility model product is used, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the utility model.

[0017] The terms "first", "second", "third" and the like are only used for differentiation in description, and cannot be understood as indicating or implying relative importance.

[0018] The terms "parallel", "vertical" and the like do not mean that the components must be absolutely parallel or vertical, but can be slightly inclined. For example, "parallel" only means that its direction is relatively more parallel than "vertical", and does not mean that the structure must be completely parallel, but can be slightly inclined.

[0019] The terms "horizontal", "vertical", "overhanging" and the like do not mean that the components must be absolutely horizontal, vertical or overhanging, but can be slightly inclined. For example, "horizontal" only means that its direction is relatively more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0020] In addition, the terms "approximately", "substantially" and the like are intended to indicate that the relevant content is not required to be absolutely accurate, but can have some deviation. For example, "approximately equal" does not only mean absolute equality, as it is difficult to achieve absolute "equality" in actual production and operation processes, and there is generally some deviation. Therefore, in addition to absolute equality, "approximately equal" also includes the above-mentioned case of having some deviation. Taking this as an example, in other cases, unless otherwise specified, the terms "approximately", "substantially" and the like have similar meanings as above.

[0021] In the description of the utility model, it also needs to be explained that, unless otherwise explicitly specified and limited, the terms "setting", "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium, or the communication inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0022] Reference Figure 1The utility model provides a kind of technical scheme: a whole type carriage frame connecting piece of electric tricycle, including connecting piece body, the connecting piece body includes connecting plate, first fixed vertical plate and second fixed vertical plate, the upper end both sides of the first fixed vertical plate are equipped with first connecting lug, the upper end both sides of the second fixed vertical plate are equipped with second connecting lug, one end of the connecting plate is connected with first fixed vertical plate, and connecting place is located in the middle of two first connecting lug, the other end of connecting plate is connected with second fixed vertical plate, and connecting place is located in the middle of two second connecting lug.The utility model connecting piece is made by the way of bending using original connecting plate, and overall structural strength is high, and the fixed vertical plate and multiple lugs are used to realize the fixed connection of carriage frame and carriage, effectively increase the connecting point, the stress capacity of connecting place is substantially increased, avoid the fracture of connecting place, and lug also has positioning and limiting function, more convenient for the installation butt joint of carriage frame and carriage, improve work efficiency, save assembly time.

[0023] Preferably, a connecting horizontal plate is further arranged between the second connecting lug and the second fixed vertical plate.

[0024] Preferably, a first locking hole is arranged on the first fixed vertical plate, and a second locking hole is arranged on the second fixed vertical plate.

[0025] Preferably, the first locking hole and the second locking hole are both strip-shaped through holes.

[0026] Preferably, chamfers are arranged at the corners of the connecting piece body.

[0027] The above description is only preferred embodiments of the utility model, and it should be understood that the utility model is not limited to the forms disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the concepts described herein by using the above teachings or related technologies or knowledge. Any modification and change made by those skilled in the art without departing from the technical and scope of the utility model should be within the protection scope of the claims attached to the utility model.

Claims

1. An integrated body and truck frame connection for an electrically powered three-wheeled vehicle, characterized by: The connecting piece body comprises a connecting plate, a first fixed vertical plate and a second fixed vertical plate, upper ends of the first fixed vertical plate are provided with first connecting lugs, upper ends of the second fixed vertical plate are provided with second connecting lugs, one end of the connecting plate is connected with the first fixed vertical plate, and the connection position is located in the middle of the two first connecting lugs, the other end of the connecting plate is connected with the second fixed vertical plate, and the connection position is located in the middle of the two second connecting lugs.

2. The unitized body truck frame connector of claim 1, wherein: A connecting horizontal plate is further arranged between the second connecting lug and the second fixed vertical plate.

3. The unitized body truck frame connector of claim 1, wherein: A first locking hole is arranged on the first fixed vertical plate, and a second locking hole is arranged on the second fixed vertical plate.

4. The unitized body truck frame connector of claim 3, wherein: The first locking hole and the second locking hole are both strip-shaped through holes.

5. The unitized body truck frame connector of claim 1, wherein: Chamfers are arranged at corners of the connecting piece body.