Four-wheel low-speed pickup truck door plate

By using a split door structure and hard plastic exterior panels, the problems of high weight and cost of traditional car doors have been solved, achieving lightweighting and aesthetics, while reducing production costs and improving product competitiveness.

CN223778160UActive Publication Date: 2026-01-09LUOYANG NORTHERN EK CHOR MOTORCYCLE CO LTD
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Patent Information

Application Number
CN202520516086.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-24
Publication Date
2026-01-09
Estimated Expiration
2035-03-24

AI Technical Summary

Technical Problem

Traditional four-wheeled low-speed pickup trucks have heavy doors, resulting in high production costs, and their aesthetic and strength requirements are not high in low-speed environments.

Method used

The car adopts a split door structure, using front and rear exterior trim panels made of hard plastic. The door frame is formed by welding connecting rods, and the interior trim panels are connected by clips, which reduces weight and production costs.

Benefits of technology

This achieved lightweight and aesthetically pleasing design for the car doors, while also reducing production costs and enhancing product competitiveness.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223778160U_ABST
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Abstract

The utility model discloses a four-wheel low-speed pickup truck door plate which comprises a front outer decoration plate, a rear outer decoration plate and a door frame assembly, and the door frame assembly comprises an upper connecting rod, a lower connecting rod, a front vertical rod, a middle vertical rod and a rear connecting frame. The left end of the upper connecting rod and the left end of the lower connecting rod are connected with the front vertical rod, the middle of the upper connecting rod and the middle of the lower connecting rod are connected through the middle vertical rod, and the right end of the upper connecting rod and the right end of the lower connecting rod are connected through the rear connecting frame. A rearview mirror mounting seat is arranged at the upper end of the front vertical rod, a hinge mounting seat is arranged in the middle of the front vertical rod, a front outer decorative plate mounting seat is arranged at the front end of the upper connecting rod and on the front vertical rod, and the front outer decorative plate is mounted on the front outer decorative plate mounting seat. The right ends of the upper connecting rod and the lower connecting rod are provided with a rear outer decorative plate mounting seat, and a rear outer decorative plate is mounted on the rear outer decorative plate mounting seat; the automobile door plate is high in overall strength and low in manufacturing cost, light weight and attractiveness are guaranteed, meanwhile, the production cost is reduced, and the product competitiveness is improved.
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Description

Technical Field

[0001] This utility model belongs to the technical field of low-speed pickup truck parts, specifically relating to a door panel for a four-wheeled low-speed pickup truck. Background Technology

[0002] Four-wheeled low-speed pickup trucks are often used for parts transportation within factories and are usually electrically powered. To reduce energy consumption and increase service life, the overall weight of the vehicle body should be reduced as much as possible. The doors are an important part of the vehicle body. Traditional doors are a completely closed structure, including interior and exterior trim panels and door glass. The overall weight of the doors is relatively heavy, resulting in higher production costs.

[0003] Four-wheeled low-speed pickup trucks are used at low speeds in relatively good environments, and the requirements for sound insulation are not high. The overall vehicle design should mainly consider door strength, lightweighting, and aesthetics. At the same time, production costs should be reduced as much as possible to increase product competitiveness. Utility Model Content

[0004] In view of the problems existing in the background art, the present invention provides a door panel for a four-wheeled low-speed pickup truck.

[0005] To achieve the above objectives, this utility model adopts the following technical solution: a door panel for a four-wheeled low-speed pickup truck, comprising a front exterior panel, a rear exterior panel, and a door frame assembly. The door frame assembly includes an upper connecting rod, a lower connecting rod, a front upright, a middle upright, and a rear connecting frame. The left ends of the upper and lower connecting rods are connected to the front upright, the middle portions of the upper and lower connecting rods are connected via the middle upright, and the right ends of the upper and lower connecting rods are connected via the rear connecting frame. The upper end of the front upright is provided with a rearview mirror mounting seat, the middle portion of the front upright is provided with a hinge mounting seat, and the front end of the upper connecting rod and the front upright are provided with multiple front exterior panel mounting seats, on which the front exterior panel is mounted. The right ends of the upper and lower connecting rods are provided with multiple rear exterior panel mounting seats, on which the rear exterior panel is mounted. The right ends of the upper and lower connecting rods are connected via the rear connecting frame.

[0006] The hinge mounting base is connected to the hinge, and the hinge is mounted on the door mounting base.

[0007] The edge of the front exterior trim panel is provided with multiple front interior trim panel clip seats, and the front exterior trim panel is connected to the front interior trim panel by clips.

[0008] The rear exterior trim panel is provided with multiple rear interior trim panel clip seats on its edge, and the rear exterior trim panel is connected to the rear interior trim panel by clips.

[0009] The rear connecting frame has an "H" shaped structure. The upper end of the rear connecting frame is connected to the upper connecting rod, and the lower end of the rear connecting frame is connected to the lower connecting rod. The lower end of the rear connecting frame is provided with a door lock mounting seat, and the door lock mounting seat is provided with a door lock assembly. The upper end of the rear connecting frame is provided with a door handle.

[0010] The front and rear exterior trim panels are made of rigid plastic.

[0011] The upper connecting rod, lower connecting rod, front upright, middle upright and rear connecting frame are fixedly connected by welding.

[0012] The beneficial effects of this utility model are as follows: This utility model provides a door panel for a four-wheeled low-speed pickup truck. The door panel has high overall strength and low manufacturing cost. While ensuring lightweight and aesthetics, it reduces production costs and increases product competitiveness. Attached Figure Description

[0013] Figure 1 This is the front view of the present invention.

[0014] Figure 2 This is the main view of the door frame component.

[0015] In the diagram: 1. Rearview mirror mount, 2. Hinge mount, 3. Front exterior trim panel mount, 4. Rear exterior trim panel mount, 5. Door lock mount, 6. Front exterior trim panel, 7. Rear exterior trim panel, 8. Door lock assembly, 9. Door frame assembly, 11. Hinge, 12. Door handle, 61. Front interior trim panel clip, 71. Rear exterior trim panel clip, 91. Upper connecting rod, 92. Lower connecting rod, 93. Front upright, 94. Center upright, 95. Rear connecting frame. Detailed Implementation

[0016] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0017] The following detailed description of the specific embodiments of this utility model, in conjunction with the accompanying drawings, further illustrates the following: A door panel for a four-wheeled low-speed pickup truck includes a front exterior panel 6, a rear exterior panel 7, and a door frame assembly 9; the door frame assembly 9 includes an upper connecting rod 91, a lower connecting rod 92, a front upright rod 93, a middle upright rod 94, and a rear connecting frame 95; the upper connecting rod 91, lower connecting rod 92, front upright rod 93, middle upright rod 94, and rear connecting frame 95 are fixedly connected by welding; in this embodiment, the length and shape of the upper connecting rod 91, lower connecting rod 92, front upright rod 93, and middle upright rod 94 are adapted to the shape of the door; the left ends of the upper connecting rod 91 and lower connecting rod 92 are connected to the front upright rod 93. The upper connecting rod 91 and the lower connecting rod 92 are connected at their middle parts by a central upright rod 94, and their right ends are connected by a rear connecting frame 95. The upper end of the front upright rod 93 is provided with a rearview mirror mounting seat 1, and the middle part of the front upright rod 93 is provided with a hinge mounting seat 2, which is connected to a hinge 11. The hinge 11 is mounted on a door mounting seat. The hinge 11 is used to rotate the door for easy opening and closing. The front end of the upper connecting rod 91 and the front upright rod 93 are provided with multiple front exterior trim panel mounting seats 3. The front exterior trim panel 6 is mounted on the front exterior trim panel mounting seats 3. In actual installation, the front exterior trim panel 6 is generally mounted on the front exterior trim panel mounting seats 3 using screws. The front exterior trim panel 6 is connected to the front interior trim panel 6 via multiple front interior trim panel clip seats 61 along its edge. To reduce the weight of the door and lower production costs, both the front exterior trim panel 6 and the front interior trim panel are made of hard plastic. The right ends of the upper connecting rod 91 and the lower connecting rod 92 are provided with multiple rear exterior trim panel mounting seats 4. The rear exterior trim panel 7 is mounted on the rear exterior trim panel mounting seats 4. In actual installation, the rear exterior trim panel 7 is generally mounted on the rear exterior trim panel mounting seats 4 using screws. The edges of the rear exterior trim panel 7 are provided with multiple rear interior trim panel clip seats 71, and the rear exterior trim panel 7 is connected to the rear interior trim panel via clips. To reduce the weight of the door and lower production costs, both the rear exterior trim panel 7 and the rear interior trim panel are made of hard plastic. The upper connecting rod 91 and the right end of the lower connecting rod 92 are connected by a rear connecting frame 95. The rear connecting frame 95 has an "H" shape, with its upper end connected to the upper connecting rod 91 and its lower end connected to the lower connecting rod 92. The lower end of the rear connecting frame 95 is provided with a door lock mounting seat 5, and a door lock assembly 8 is provided on the door lock mounting seat 5. The door lock assembly 8 is used to lock the door to prevent the door from opening due to vibration during vehicle operation, which could cause accidental injury to the operator. The upper end of the rear connecting frame 95 is provided with a door handle 12, which is connected to the door lock assembly 8. The door can be opened through the door handle 12, making it convenient for the operator to get on and off the vehicle.

[0018] In this utility model, a single car door is used as an example for description. In the specific implementation process, since the left and right car doors have symmetrical structures, the other car door has the same structure as this car door and is symmetrical to each other.

[0019] The usage process of this utility model is as follows: First, the upper connecting rod 91, lower connecting rod 92, front upright rod 93, middle upright rod 94 and rear connecting frame 95 are welded into a door frame assembly 9 using electric welding; then, the rearview mirror mounting seat 1 is installed on the upper end of the front upright rod 93, and the hinge mounting seat 2 is installed in the middle of the front upright rod 93; then, the front exterior trim panel mounting seat 3 and the rear exterior trim panel mounting seat 4 are installed on the door frame assembly 9 according to the process requirements; the front exterior trim panel 6 is installed on the front exterior trim panel mounting seat 3 using screws; then, the door lock assembly 8, hinge 11 and door handle 12 are installed; then, the front interior trim panel is installed on the front exterior trim panel 6 and the rear interior trim panel is installed on the rear exterior trim panel 7 using clips; finally, the assembled door is installed on the door mounting seat using the hinge 11.

[0020] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

[0021] The parts of this utility model not described in detail are existing technologies.

Claims

1. A door panel for a four-wheeled low-speed pickup truck, comprising a front exterior panel (6), a rear exterior panel (7), and a door frame assembly (9), characterized in that: The door frame assembly (9) includes an upper connecting rod (91), a lower connecting rod (92), a front upright (93), a middle upright (94), and a rear connecting frame (95); the left ends of the upper connecting rod (91) and the lower connecting rod (92) are connected to the front upright (93), the middle parts of the upper connecting rod (91) and the lower connecting rod (92) are connected through the middle upright (94), and the right ends of the upper connecting rod (91) and the lower connecting rod (92) are connected through the rear connecting frame (95); a rearview mirror mounting bracket (1) is provided at the upper end of the front upright (93). A hinge mounting seat (2) is provided in the middle of the front upright (93). Multiple front exterior trim panel mounting seats (3) are provided at the front end of the upper connecting rod (91) and the front upright (93). The front exterior trim panel (6) is installed on the front exterior trim panel mounting seat (3). Multiple rear exterior trim panel mounting seats (4) are provided at the right end of the upper connecting rod (91) and the lower connecting rod (92). The rear exterior trim panel (7) is installed on the rear exterior trim panel mounting seat (4). The right ends of the upper connecting rod (91) and the lower connecting rod (92) are connected by a rear connecting frame (95).

2. The door panel of a four-wheeled low-speed pickup truck according to claim 1, characterized in that: The hinge mounting base (2) is connected to the hinge (11), and the hinge (11) is mounted on the door mounting base.

3. The door panel of a four-wheeled low-speed pickup truck according to claim 1, characterized in that: The edge of the front exterior trim panel (6) is provided with a plurality of front interior trim panel buckle seats (61), and the front exterior trim panel (6) is connected to the front interior trim panel by buckles.

4. The door panel of a four-wheeled low-speed pickup truck according to claim 1, characterized in that: The rear exterior trim panel (7) has multiple rear interior trim panel buckle seats (71) on its edge, and the rear exterior trim panel (7) is connected to the rear interior trim panel by buckles.

5. The door panel of a four-wheeled low-speed pickup truck according to claim 1, characterized in that: The rear connecting frame (95) is an "H" shaped structure. The upper end of the rear connecting frame (95) is connected to the upper connecting rod (91), and the lower end of the rear connecting frame (95) is connected to the lower connecting rod (92). The lower end of the rear connecting frame (95) is provided with a door lock mounting seat (5), and the door lock mounting seat (5) is provided with a door lock assembly (8). The upper end of the rear connecting frame (95) is provided with a door handle (12).

6. The door panel of a four-wheeled low-speed pickup truck according to claim 1, characterized in that: The front exterior trim panel (6) and the rear exterior trim panel (7) are made of hard plastic.

7. The door panel of a four-wheeled low-speed pickup truck according to claim 1, characterized in that: The upper connecting rod (91), lower connecting rod (92), front upright (93), middle upright (94) and rear connecting frame (95) are fixedly connected by welding.