Model car and modular roof trunk for wind resistance research
Through the modularly designed roof suitcase, the impact of roof suitcase on car wind resistance and fuel consumption is solved, and flexible adjustment and research on the shape and structure of suitcases of different lengths is achieved, improving research efficiency.
Patent Information
- Application Number
- CN202420904695.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-25
- Publication Date
- 2025-02-07
- Estimated Expiration
- 2034-04-25
AI Technical Summary
Installing the roof trunk on the roof of the car will change the appearance of the car, resulting in increased wind resistance and increased fuel consumption, especially affecting the endurance of new energy vehicles.
Design a modular roof suitcase. The suitcase body is divided into a separate front section of the suitcase and the rear section of the suitcase. The spacing between the front section of the suitcase and the rear section of the suitcase can be adjusted and can be set between the two. In the middle of the suitcase, different lengths of suitcases are formed through different splicing methods.
By adjusting the shape and structure of the suitcase, the impact of suitcases of different sizes on vehicle wind resistance can be easily studied, avoiding the production of complex models of suitcases of different lengths, and improving research efficiency.
Smart Images

Figure CN222440093U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of automobile models, in particular to an automobile model and a modular roof luggage box for wind resistance research. Background Art
[0002] With the widespread popularity of cars and the continuous improvement of infrastructure, self-driving tours have become one of the important ways for people to travel. In order to meet the daily needs of self-driving tours, it is necessary to carry a lot of equipment and luggage, but the storage space in the car is limited, which requires the expansion of the storage space of the car. Roof luggage boxes are a common product used to expand the storage space of cars, and their application is becoming more and more widespread.
[0003] The roof luggage box installed on the roof of the car will inevitably change the appearance of the vehicle to a certain extent, causing changes in the wind resistance of the car during driving and leading to problems such as increased fuel consumption. In particular, with the development of new energy technologies, wind resistance has an important impact on the endurance of new energy vehicles. Therefore, it is necessary to study the impact of the roof luggage box on the wind resistance of the car. Summary of the invention
[0004] In view of this, the purpose of the utility model is to provide a car model and a modular roof luggage box for wind resistance research, which can conveniently adjust the outer structure of the luggage box to facilitate the study of the influence of luggage boxes of different sizes on the vehicle wind resistance.
[0005] In order to achieve the above object, the utility model provides the following technical solutions:
[0006] The utility model firstly proposes a modular roof luggage box for wind resistance research, comprising a luggage box body, wherein the luggage box body comprises a luggage box front section and a luggage box rear section which are separately arranged, and the distance between the luggage box front section and the luggage box rear section is adjustable;
[0007] The rear end surface of the front section of the luggage case is spliced and connected to the front end surface of the rear section of the luggage case; or,
[0008] A middle section of the suitcase is disposed between the front section and the rear section of the suitcase, a rear end face of the front section of the suitcase is spliced and connected with a front end face of the middle section of the suitcase, and a rear end face of the middle section of the suitcase is spliced and connected with a front end face of the rear section of the suitcase.
[0009] Furthermore, when the rear end surface of the front section of the suitcase is spliced and connected with the front end surface of the middle section of the suitcase, a smooth transition occurs between the top surface of the front section of the suitcase and the top surface of the middle section of the suitcase.
[0010] Furthermore, when the rear end surface of the middle section of the suitcase is spliced and connected with the front end surface of the rear section of the suitcase, a smooth transition occurs between the top surface of the middle section of the suitcase and the top surface of the rear section of the suitcase.
[0011] Furthermore, when the rear end surface of the front section of the suitcase is spliced and connected with the front end surface of the rear section of the suitcase, a smooth transition occurs between the top surface of the front section of the suitcase and the top surface of the rear section of the suitcase.
[0012] Furthermore, the middle section of the suitcase is configured as at least one section, and when the middle section of the suitcase is configured as at least two sections, all the middle sections of the suitcase are sequentially spliced and connected along a direction from front to back.
[0013] Furthermore, the front end face of the middle section of the suitcase located at the frontmost part is spliced and connected with the rear end face of the front section of the suitcase; the rear end face of the middle section of the suitcase located at the rearmost part is spliced and connected with the front end face of the rear section of the suitcase.
[0014] Furthermore, in the two adjacent middle sections of the suitcase, the rear end face of the front middle section of the suitcase is spliced and connected with the front end face of the rear middle section of the suitcase, and the top face of the front middle section of the suitcase is smoothly transitioned with the top face of the rear middle section of the suitcase.
[0015] The utility model also provides a car model, comprising a car body, wherein the modular roof luggage box for wind resistance research as described above is installed on the top surface of the car body.
[0016] The beneficial effects of the utility model are:
[0017] The modular roof luggage box for wind resistance research of the utility model is configured as a luggage box body comprising a separate front luggage box section and a rear luggage box section, and the distance between the front luggage box section and the rear luggage box section is adjustable. Thus, in the process of wind resistance research, the front luggage box section and the rear luggage box section can be directly spliced together to form a luggage box with a shorter length; or a luggage box middle section can be arranged between the front luggage box section and the rear luggage box section, and the front and rear ends of the luggage box middle section can be spliced and connected to the front luggage box section and the rear luggage box section respectively, so as to form a luggage box with a longer length; in addition, the luggage box middle section can be replaced to conveniently adjust the length of the luggage box; in summary, the modular roof luggage box of the utility model can obtain luggage boxes of different lengths and sizes through different splicing methods, and the luggage box shape structure can be conveniently adjusted, so that the influence of luggage boxes of different lengths and sizes on the wind resistance of the vehicle can be conveniently studied without making models for luggage boxes of different lengths and sizes. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to make the purpose, technical solution and beneficial effects of the utility model clearer, the utility model is described with the following drawings:
[0019] Figure 1 It is a structural schematic diagram of the automobile model of the utility model, specifically a structural schematic diagram when the front section of the luggage box and the rear section of the luggage box are directly spliced;
[0020] Figure 2 A schematic diagram of a structure in which a middle section of a luggage box is arranged between the front section and the rear section of the luggage box;
[0021] Figure 3 The diagram is a schematic diagram of the structure when two middle sections of the luggage box are arranged between the front section and the rear section of the luggage box.
[0022] Description of reference numerals:
[0023] 10-body;
[0024] 20 - luggage case body; 21 - front section of the luggage case; 22 - rear section of the luggage case; 23 - middle section of the luggage case. DETAILED DESCRIPTION
[0025] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention.
[0026] like Figure 1-3 As shown, the automobile model of this embodiment includes a body 10, and a modular roof luggage box for wind resistance research (hereinafter referred to as "modular roof luggage box") is installed on the top surface of the body 10. Specifically, the modular roof luggage box of this embodiment includes a luggage box body 20, and the luggage box body 20 includes a luggage box front section 21 and a luggage box rear section 22 that are separately arranged, and the distance between the luggage box front section 21 and the luggage box rear section 22 is adjustable.
[0027] When the influence of a small-sized luggage box on the wind resistance of a car needs to be studied, the rear end surface of the luggage box front section 21 can be directly spliced and connected with the front end surface of the luggage box rear section 22, such as Figure 1 In order to prevent the problem of increased wind resistance of the car due to the uneven top surface of the luggage box body after splicing, when the rear end surface of the luggage box front section 21 is spliced with the front end surface of the luggage box rear section 22, the top surface of the luggage box front section 21 and the top surface of the luggage box rear section 22 are smoothly transitioned.
[0028] When the influence of a long luggage box on the wind resistance of the automobile needs to be studied, the distance between the front section 21 of the luggage box and the rear section 22 of the luggage box can be adjusted, and a middle section 23 of the luggage box is provided between the front section 21 of the luggage box and the rear section 22 of the luggage box. In this case, the rear end surface of the front section 21 of the luggage box is spliced and connected with the front end surface of the middle section 23 of the luggage box, and the rear end surface of the middle section 23 of the luggage box is spliced and connected with the front end surface of the rear section 22 of the luggage box. Figure 2 As shown. In this embodiment, a luggage box middle section 23 is provided between the luggage box front section 21 and the luggage box rear section 22. Similarly, in order to prevent the problem of increased wind resistance of the car due to the uneven top surface of the luggage box body obtained after splicing, in this embodiment, when the rear end surface of the luggage box front section 21 is spliced and connected with the front end surface of the luggage box middle section 23, the top surface of the luggage box front section 21 and the top surface of the luggage box middle section 23 are smoothly transitioned; when the rear end surface of the luggage box middle section 23 and the front end surface of the luggage box rear section 22 are spliced and connected, the top surface of the luggage box middle section 23 and the top surface of the luggage box rear section 22 are smoothly transitioned. In this way, it can be ensured that the top surface of the luggage box body 20 maintains a smooth transition from front to back to avoid additional impact on wind resistance.
[0029] In this embodiment, the middle section 23 of the suitcase is configured as one section. Of course, in other embodiments, the middle section 23 of the suitcase can also be configured as two sections or more. Figure 3 As shown, the middle section 23 of the luggage box is set to 2 sections. When the middle section 23 of the luggage box is set to at least two sections, all the middle sections 23 of the luggage box are spliced and connected in sequence from front to back. That is, at this time, the front end face of the middle section 23 of the luggage box located at the front is spliced and connected with the rear end face of the front section 21 of the luggage box; the rear end face of the middle section 23 of the luggage box located at the rear is spliced and connected with the front end face of the rear section 22 of the luggage box. Similarly, in order to prevent the problem of increased wind resistance of the car caused by the uneven top surface of the luggage box body obtained after splicing, in the two adjacent middle sections of the luggage box, the rear end face of the middle section 23 of the luggage box located at the front is spliced and connected with the front end face of the middle section 23 of the luggage box located at the rear, and the top surface of the middle section 23 of the luggage box located at the front and the top surface of the middle section 23 of the luggage box located at the rear are smoothly transitioned.
[0030] The car model of this embodiment is provided by installing a modular roof luggage box on the roof, setting the luggage box body as a separate luggage box front section 21 and luggage box rear section 22, and making the distance between the luggage box front section 21 and the luggage box rear section 22 adjustable. In this way, in the process of studying wind resistance, the luggage box front section 21 and the luggage box rear section 22 can be directly spliced to form a luggage box with a shorter length; the luggage box middle section 23 can also be set between the luggage box front section 21 and the luggage box rear section 22, and the front and rear ends of the luggage box middle section 23 are spliced and connected with the luggage box front section 21 and the luggage box rear section 22 respectively, so as to form a luggage box with a longer length; in addition, the luggage box middle section 23 can be replaced to conveniently adjust the length of the luggage box. In this way, the car model of this embodiment can obtain luggage boxes of different lengths and sizes through different splicing methods of the modular roof luggage box, and can conveniently adjust the luggage box shape structure, so that the influence of luggage boxes of different lengths and sizes on the wind resistance of the vehicle can be conveniently studied without making models for luggage boxes of different lengths and sizes.
[0031] The above-described embodiments are only preferred embodiments for fully illustrating the present utility model, and the protection scope of the present utility model is not limited thereto. Equivalent substitutions or changes made by technicians in the technical field on the basis of the present utility model are all within the protection scope of the present utility model. The protection scope of the present utility model shall be subject to the claims.
Claims
1. A modular roof luggage box for wind resistance research, characterized in that: The luggage case comprises a luggage case body, wherein the luggage case body comprises a luggage case front section and a luggage case rear section which are separately arranged, and the distance between the luggage case front section and the luggage case rear section is adjustable; The rear end surface of the front section of the luggage case is spliced and connected to the front end surface of the rear section of the luggage case; or, A middle section of the suitcase is disposed between the front section and the rear section of the suitcase, a rear end face of the front section of the suitcase is spliced and connected with a front end face of the middle section of the suitcase, and a rear end face of the middle section of the suitcase is spliced and connected with a front end face of the rear section of the suitcase.
2. The modular roof luggage box for wind resistance research according to claim 1, characterized in that: When the rear end surface of the front section of the suitcase is spliced and connected with the front end surface of the middle section of the suitcase, a smooth transition occurs between the top surface of the front section of the suitcase and the top surface of the middle section of the suitcase.
3. The modular roof luggage box for wind resistance research according to claim 1, characterized in that: When the rear end surface of the middle section of the suitcase is spliced and connected with the front end surface of the rear section of the suitcase, a smooth transition occurs between the top surface of the middle section of the suitcase and the top surface of the rear section of the suitcase.
4. The modular roof luggage box for wind resistance research according to claim 1, characterized in that: When the rear end surface of the front section of the suitcase is spliced and connected with the front end surface of the rear section of the suitcase, a smooth transition occurs between the top surface of the front section of the suitcase and the top surface of the rear section of the suitcase.
5. The modular roof luggage box for wind resistance research according to any one of claims 1 to 4, characterized in that: The middle section of the suitcase is configured as at least one section, and when the middle section of the suitcase is configured as at least two sections, all the middle sections of the suitcase are sequentially spliced and connected along a direction from front to back.
6. The modular roof luggage box for wind resistance research according to claim 5, characterized in that: The front end face of the middle section of the suitcase located at the frontmost part is spliced and connected with the rear end face of the front section of the suitcase; the rear end face of the middle section of the suitcase located at the rearmost part is spliced and connected with the front end face of the rear section of the suitcase.
7. The modular roof luggage box for wind resistance research according to claim 5, characterized in that: In the two adjacent middle sections of the suitcase, the rear end face of the front middle section is spliced and connected with the front end face of the rear middle section, and the top face of the front middle section is smoothly transitioned with the top face of the rear middle section.
8. A car model, characterized in that: The vehicle comprises a vehicle body, on the top surface of which is mounted a modular roof luggage box for wind resistance research as claimed in any one of claims 1 to 7.