Carriage body drag reduction structure with adjustable flow guide plate
By introducing a storage cavity and electric push rod design into the truck body, the guide vane and air guide cover are automatically adjusted, solving the problem that the guide vane needs to be manually adjusted in the prior art. This enables the guide vane to be easily deployed and the gaps to be effectively filled, reducing aerodynamic resistance and improving ease of use and drag reduction effect.
Patent Information
- Application Number
- CN202520385657.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-06
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-03-06
AI Technical Summary
In existing truck body drag reduction structures, the end faces of the deflector plates are fixedly connected by bolts, requiring the bolts to be reinstalled to enable deployment and storage. This prevents automatic adjustment based on actual conditions and affects ease of use.
The design incorporates a storage cavity, a tail diffuser, and an electric push rod. The tail diffuser automatically unfolds and retracts through the extension and retraction of the electric push rod. The air guide, limit slider, and limit groove work together to ensure a stable fit between the air guide and the cockpit, filling gaps to reduce aerodynamic drag.
It enables convenient adjustment of the deflector and effective filling of gaps, reducing aerodynamic resistance and improving the flexibility and drag reduction effect of use.
Smart Images

Figure CN223750992U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a truck compartment body technical field, concretely is a truck compartment body resistance reduction structure of adjustable fairing. BACKGROUND
[0002] The truck compartment body is the equipment of truck transportation goods, and relevant researches show that when the truck travels, 60% of fuel power is used to overcome aerodynamic resistance, and most of the aerodynamic resistance is generated by the gap between the tail, the cockpit and the compartment, therefore, optimizing the resistance reduction structure of the truck has practical value and significance for reducing the aerodynamic resistance.
[0003] The existing truck box body resistance reduction structure is usually provided with a fairing at the tail, however, the end face of the existing fairing is usually fixedly connected with the end face by bolts, and the fairing can be unfolded and stored only by reassembling the bolts, which is inconvenient for the staff to automatically adjust according to the actual situation and affects use. UTILITY MODEL CONTENTS
[0004] In view of the defects of the prior art, the utility model provides a truck compartment body resistance reduction structure with adjustable fairing to solve the problem that the existing truck box body resistance reduction structure is usually provided with a fairing at the tail, however, the end face of the existing fairing is usually fixedly connected with the end face by bolts, and the fairing can be unfolded and stored only by reassembling the bolts, which is inconvenient for the staff to automatically adjust according to the actual situation and affects use.
[0005] To achieve the above object, the utility model provides the following technical scheme: a truck compartment body resistance reduction structure with adjustable fairing, comprising a compartment body, a storage chamber is formed in the inside of the compartment body, a compartment door is arranged at the right end of the compartment body, a sliding rail is formed at the top of the right end of the compartment body, a receiving cavity is formed in the inner wall of the right end of the compartment body, a tail fairing is slidably connected in the inside of the receiving cavity, a connecting block is fixedly connected to the top left side of the tail fairing, limit sliding grooves are formed on the left end of the compartment body, limit sliding blocks are slidably connected in the inside of the limit sliding grooves, a wind deflector is fixedly connected to the side of the limit sliding block away from the limit sliding groove, a connecting seat is fixedly connected to the top right side of the wind deflector, a fixed block is fixedly connected to the top middle side of the compartment body, an electric push rod one is fixedly connected to the right side of the fixed block, and an electric push rod two is fixedly connected to the left side of the fixed block.
[0006] Preferably, the shape and size of the receiving cavity are matched with the shape and size of the tail fairing, and the tail fairing is attached to the inner wall of the receiving cavity.
[0007] By means of the above technical scheme, the tail flow guide plate is extended out of the storage cavity by extending the electric push rod one, and the tail flow guide plate is recycled into the storage cavity by retracting the electric push rod one, so that the staff can adjust and adapt to different use scenarios, and use conveniently.
[0008] Preferably, the slide rail is in communication with the storage cavity, and the connecting block extends to the top side of the car body through the slide rail.
[0009] Preferably, the number of the limiting sliding blocks is two, the two limiting sliding blocks are symmetrically distributed on the two sides of the inner wall of the air deflector cover, the shapes and sizes of the two limiting sliding blocks are same as those of the limiting sliding groove, and the two limiting sliding blocks are attached to the inner wall of the limiting sliding groove.
[0010] By means of the above technical scheme, the tail flow guide plate is extended out of the storage cavity by extending the electric push rod one, and the tail flow guide plate is recycled into the storage cavity by retracting the electric push rod one, so that the staff can adjust and adapt to different use scenarios, and use conveniently.
[0011] Preferably, the extension end of the electric push rod one is fixedly connected to the left side of the connecting block.
[0012] Preferably, the extension end of the electric push rod two is fixedly connected to the right side of the connecting seat.
[0013] Compared with the prior art, the utility model has the advantages that:
[0014] 1. The truck body drag reduction structure with adjustable flow guide plate is convenient to use by extending the electric push rod one to extend the tail flow guide plate out of the storage cavity, and recycling the tail flow guide plate into the storage cavity by retracting the electric push rod one.
[0015] 2. The truck body drag reduction structure with adjustable flow guide plate is convenient to use by extending the electric push rod two to extend the air deflector cover out of the storage cavity, and recycling the air deflector cover into the storage cavity by retracting the electric push rod two. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1It is a front view structural schematic diagram of the utility model;
[0017] Figure 2 It is a front view structural schematic diagram of the utility model;
[0018] Figure 3 It is a carriage body structural schematic diagram of the utility model;
[0019] Figure 4 It is a tail fairing structural schematic diagram of the utility model
[0020] Figure 5 It is a wind scooper structural schematic diagram of the utility model.
[0021] In the drawing: 1, carriage body; 2, storage room; 3, carriage door; 4, storage cavity; 5, slide rail; 6, tail fairing; 7, connecting block; 8, fixed block; 9, electric push rod one; 10, electric push rod two; 11, limit sliding slot; 12, wind scooper; 13, limit sliding block; 14, connecting seat. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0023] Embodiment 1:
[0024] Please refer to Figs. 1-4, a truck carriage body drag reduction structure with adjustable fairing, including carriage body 1, the inside of carriage body 1 is provided with storage room 2, the right end of carriage body 1 is provided with carriage door 3, the right end top of carriage body 1 is provided with slide rail 5, the right end inner wall of carriage body 1 is provided with storage cavity 4, slide rail 5 is communicated with storage cavity 4, and connecting block 7 extends to the top of the right end of carriage body 1 through slide rail 5, tail fairing 6 is slidably connected in storage cavity 4, the shape and size of storage cavity 4 are matched with the shape and size of tail fairing 6, tail fairing 6 is attached to the inner wall of storage cavity 4, connecting block 7 is fixedly connected to the top left side of tail fairing 6, limit sliding slot 11 is formed in the left end of carriage body 1, limit sliding block 13 is slidably connected in limit sliding slot 11, wind scooper 12 is fixedly connected to the side of limit sliding block 13 away from limit sliding slot 11, connecting seat 14 is fixedly connected to the top right side of wind scooper 12, fixed block 8 is fixedly connected to the top middle side of carriage body 1, electric push rod one 9 is fixedly connected to the right side of fixed block 8, the extension end of electric push rod one 9 is fixedly connected to the left side of connecting block 7, electric push rod two 10 is fixedly connected to the left side of fixed block 8.
[0025] Working principle: when the staff needs to deploy the tail fairing 6, the electric push rod one 9 can be started, the electric push rod one 9 drives the connecting block 7 to move to the right side through the extension end, the connecting block 7 drives the tail fairing 6 to slide to the right side, thereby pushing the tail fairing 6 out of the storage cavity 4, completing the deployment of the tail fairing 6, optimizing the drag reduction structure of the truck, for reducing the aerodynamic drag, when the tail fairing 6 needs to be stored, the staff can control the electric push rod one 9 to retract, the electric push rod one 9 drives the tail fairing 6 to be recycled into the storage cavity 4 through the connecting block 7, which is convenient for the staff to adjust, so as to adapt to different use scenes, and is convenient for the staff to use.
[0026] Compared with the related art, the truck compartment body drag reduction structure with adjustable fairing provided by the utility model has the following beneficial effects: by setting the storage cavity 4, the tail fairing 6 and the electric push rod one 9, the tail fairing 6 can be pushed out of the storage cavity 4 by controlling the extension of the electric push rod one 9, and the tail fairing 6 can be recycled into the storage cavity 4 by controlling the retraction of the electric push rod one 9, which is convenient for the staff to adjust, so as to adapt to different use scenes and be convenient to use.
[0027] Embodiment 2:
[0028] Please refer to Figs. 1-5, the left end of the truck compartment body 1 is provided with a limiting sliding groove 11, the limiting sliding groove 11 is slidably connected with a limiting sliding block 13, the limiting sliding block 13 is fixedly connected with a wind deflector 12 away from the limiting sliding groove 11, the number of the limiting sliding block 13 is two, the two limiting sliding blocks 13 are symmetrically distributed on the inner wall of the wind deflector 12, the shape and size of the two limiting sliding blocks 13 are the same as those of the limiting sliding groove 11, and the two limiting sliding blocks 13 are attached to the inner wall of the limiting sliding groove 11, the top right side of the wind deflector 12 is fixedly connected with a connecting seat 14, the top middle side of the truck compartment body 1 is fixedly connected with a fixed block 8, the left side of the fixed block 8 is fixedly connected with an electric push rod two 10, and the extension end of the electric push rod two 10 is fixedly connected with the right side of the connecting seat 14.
[0029] Working principle: when in use, the staff can control the extension of the electric push rod two 10, the electric push rod two 10 extends to push the mounting seat to slide to the left side, the mounting seat pushes the wind deflector 12 to slide to the left side, when the wind deflector 12 slides, the limiting sliding block 13 also slides along the limiting sliding groove 11, thereby limiting the longitudinal displacement of the wind deflector 12, preventing the wind deflector 12 from shaking, so that the wind deflector 12 can stably attach to the rear side of the cockpit, thereby filling the gap between the cockpit and the truck compartment, optimizing the drag reduction structure of the truck, preventing air from flowing in, and reducing the aerodynamic drag.
[0030] Compared with the related art, the truck compartment body drag reduction structure with adjustable guide vane provided by the utility model has the following beneficial effects: through the cooperation of the wind deflector 12, the limiting sliding block 13, the limiting sliding groove 11 and the like, the wind deflector 12 can be pushed to slide through the mounting seat by controlling the extension of the electric push rod two 10, the wind deflector 12 can be prevented from shaking by sliding along the limiting sliding groove 11 through the limiting sliding block 13, the wind deflector 12 can be stably attached to the cockpit, thereby filling the gap between the cockpit and the truck compartment, preventing air inflow and reducing the aerodynamic drag.
[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. An adjustable deflector truck bed drag reduction structure comprising a truck bed body (1), characterized in that: The inside of the car body (1) is provided with a storage room (2), the right end of the car body (1) is provided with a car door (3), the right end of the car body (1) is provided with a sliding rail (5), the right end of the car body (1) is provided with a receiving cavity (4), the inside of the receiving cavity (4) is slidably connected with a tail guide vane (6), the top left side of the tail guide vane (6) is fixedly connected with a connecting block (7), the left side of the car body (1) is provided with a limiting sliding groove (11), the inside of the limiting sliding groove (11) is slidably connected with a limiting sliding block (13), the side, away from the limiting sliding groove (11), of the limiting sliding block (13) is fixedly connected with a wind deflector (12), the top right side of the wind deflector (12) is fixedly connected with a connecting seat (14), the top middle side of the car body (1) is fixedly connected with a fixed block (8), the right side of the fixed block (8) is fixedly connected with an electric push rod one (9), and the left side of the fixed block (8) is fixedly connected with an electric push rod two (10).
2. The truck bed drag reduction structure of claim 1, wherein: The shape and size of the receiving cavity (4) are matched with those of the tail guide vane (6), and the tail guide vane (6) is attached to the inner wall of the receiving cavity (4).
3. The truck bed flow control structure of claim 1, wherein: The sliding rail (5) is connected with the receiving cavity (4), and the connecting block (7) extends to the top of the car body (1) through the sliding rail (5).
4. The adjustable deflector truck bed drag reduction structure of claim 1, wherein: The number of the limiting sliding blocks (13) is two, and the two limiting sliding blocks (13) are symmetrically distributed on the inner walls of the wind deflector (12), the shape and size of the two limiting sliding blocks (13) are the same as those of the limiting sliding groove (11), and the two limiting sliding blocks (13) are attached to the inner walls of the limiting sliding groove (11).
5. The adjustable deflector truck bed drag reduction structure of claim 1, wherein: The extending end of the electric push rod one (9) is fixedly connected with the left side of the connecting block (7).
6. The adjustable deflector truck bed drag reduction structure of claim 1, wherein: The extending end of the electric push rod two (10) is fixedly connected with the right side of the connecting seat (14).