Vehicle body side wall circulation testing appliance

Abstract

The utility model relates to the field of automobiles, and discloses a vehicle body side wall circulation test appliance, which comprises an upper side wall appliance, a front circulation plate and a lower side wall appliance, movable shafts are fixedly connected to two sides of the top of the upper side wall appliance, the front circulation plate is movably mounted on the inner side of one movable shaft, and the rear circulation plate is movably mounted on the inner side of the other movable shaft. Limiting bolts are movably installed between the front circulation plate and the movable shaft and between the rear circulation plate and the movable shaft, nuts are movably installed between the limiting bolts and the front circulation plate and between the limiting bolts and the rear circulation plate, a lower side wall appliance is movably installed at the bottom of the upper side wall appliance, and a fixing block is fixedly connected to the top of the lower side wall appliance. By adjusting the angles of the front and rear circulation plates and cooperating with the limiting bolts and the nuts for fixation, multi-angle circulation testing is facilitated, the design of the side wall appliance is optimized, meanwhile, the upper side wall appliance can be replaced by detaching the fixing bolts, the testing flexibility is improved, the adjustability and adaptability of the device are improved, and the testing limitation is reduced.

Description

TECHNICAL FIELD

[0001] The application relates to the automobile technical field, in particular to a vehicle body side wall flow rotation testing device. BACKGROUND

[0002] The vehicle body side wall flow rotation testing device is a component installed on the side of an automobile and used for guiding and optimizing airflow, is usually used for improving the aerodynamic performance of a vehicle, and plays an important role in reducing wind resistance, increasing stability and maneuverability, especially at high speeds. The flow rotation testing device is commonly used in sports sedans or high-performance vehicles. The vehicle body side wall flow rotation testing device is needed when the vehicle body side wall flow rotation test is performed.

[0003] At present, the related vehicle body side wall flow rotation testing device lacks a flow rotation structure that can be freely adjusted, so that test personnel cannot freely adjust the flow rotation structure according to requirements, thereby limiting the function of the device. CONTENT OF THE UTILITY MODEL

[0004] In order to solve the problems in the background art, the application provides a vehicle body side wall flow rotation testing device.

[0005] The vehicle body side wall flow rotation testing device provided by the application adopts the following technical scheme:

[0006] A vehicle body side wall flow rotation testing device comprises an upper side wall device, a front flow rotation plate and a lower side wall device, two sides of the top of the upper side wall device are fixedly connected with movable shafts, a front flow rotation plate is movably installed in the inner side of one of the movable shafts, and a rear flow rotation plate is movably installed in the inner side of the other movable shaft, a limiting pin is movably installed between the front flow rotation plate, the rear flow rotation plate and the movable shaft, a nut is movably installed between the limiting pin and the front flow rotation plate and the rear flow rotation plate, the bottom of the upper side wall device is movably installed with the lower side wall device, and the top of the lower side wall device is fixedly connected with a fixed block.

[0007] Preferably, the fixed block is internally provided with a pin hole, and a fixed pin is threadedly connected with the pin hole.

[0008] Preferably, the inside of the upper side wall device is provided with a limiting groove, and the fixed block is embedded in the limiting groove.

[0009] Preferably, the top of the lower side wall device on the two sides of the fixed block is fixedly connected with a limiting rod, the inside of the upper side wall device on the two sides of the limiting groove is provided with a limiting hole, and the limiting rod is embedded in the limiting hole.

[0010] In summary, the application has the following beneficial technical effects:

[0011] By adjusting the angle of the front flow transfer plate and the rear flow transfer plate, cooperating with the fixing of the limiting pin and the nut, the staff can conduct multi-angle flow transfer test according to the demand, flexibly adjust the angle, optimize the side wall device design, and the staff can conveniently replace the upper side wall device and conduct more tests, thereby improving the adjustability and adaptability of the device and reducing the test limitations. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 is a structure split schematic diagram of the application embodiment;

[0013] Fig. 2 is a whole perspective view of the application embodiment;

[0014] Fig. 3 is a rear view of the application embodiment.

[0015] Marked for explanation: 1, fixed block; 101, pin hole; 2, movable shaft; 3, upper side wall device; 301, limiting groove; 302, limiting hole; 4, limiting pin; 5, rear flow transfer plate; 6, front flow transfer plate; 7, lower side wall device; 8, fixing pin; 9, nut; 10, limiting rod. DETAILED DESCRIPTION

[0016] The following will be combined with the Figs. 1-3 The application is further described in detail.

[0017] The application embodiment discloses a vehicle body side wall flow transfer test device. Figs. 1-3 A vehicle body side wall flow transfer test device, comprising an upper side wall device 3, a front flow transfer plate 6 and a lower side wall device 7, both sides of the top of the upper side wall device 3 are fixedly connected with movable shafts 2, one movable shaft 2 is movably installed with the front flow transfer plate 6 on the inner side, the inner side of the other movable shaft 2 is movably installed with the rear flow transfer plate 5, the front flow transfer plate 6 and the rear flow transfer plate 5 are movably installed with the limiting pin 4 between the movable shaft 2, the limiting pin 4 is movably installed with the nut 9 between the front flow transfer plate 6 and the rear flow transfer plate 5, the bottom of the upper side wall device 3 is movably installed with the lower side wall device 7, the top of the lower side wall device 7 is fixedly connected with the fixed block 1, the staff places the device to the test position, can pull the angle of the front flow transfer plate 6 and the rear flow transfer plate 5 according to the test demand, makes the front flow transfer plate 6 and the rear flow transfer plate 5 rotate through the movable shaft 2, after adjusting in place, tightens the limiting pin 4, makes the limiting pin 4 and the nut 9 cooperate to limit the angle of the front flow transfer plate 6 and the rear flow transfer plate 5, at this time, the corresponding flow transfer test can be carried out, the staff can freely adjust the device to carry out more angle test according to the demand, so as to test the better designed side wall device, the staff can also unscrew the fixing pin 8 and lift the upper side wall device 3 upwards, so that the fixed block 1 is separated from the upper side wall device 3, the upper side wall device 3 can be disassembled and replaced, more upper side wall device 3 tests are conducted, thereby reducing the limitations of the device.

[0018] With reference to Fig. 1 The inside of the fixed block 1 is provided with a bolt hole 101, and the fixed bolt 8 is threadedly connected with the bolt hole 101, the fixed bolt 8 is screwed into the inside of the bolt hole 101, the friction between the fixed block 1 and the upper side wall device 3 is increased, and the fixed connection between the fixed block 1 and the upper side wall device 3 is realized.

[0019] With reference to Fig. 1 The inside of the upper side wall device 3 is provided with a limiting groove 301, and the fixed block 1 is embedded in the inside of the limiting groove 301, and the friction between the upper side wall device 3 and the lower side wall device 7 is increased.

[0020] With reference to Fig. 1 The lower side wall device 7 at both sides of the fixed block 1 is fixedly connected with a limiting rod 10 at the top, the inside of the upper side wall device 3 at both sides of the limiting groove 301 is provided with a limiting hole 302, and the limiting rod 10 is embedded in the inside of the limiting hole 302, and the friction between the upper side wall device 3 and the lower side wall device 7 is increased, and the stability of the splicing of the upper side wall device 3 and the lower side wall device 7 is improved.

[0021] The implementation principle of the vehicle body side wall flow transfer testing device is as follows: first, the device is placed in a test position, the angle of the front flow transfer plate 6 and the rear flow transfer plate 5 is adjusted according to test requirements, and the front flow transfer plate 6 and the rear flow transfer plate 5 are rotated through the movable shaft 2. After adjustment, the limiting bolt 4 is tightened, the limiting bolt 4 cooperates with the nut 9 to limit the angle of the front flow transfer plate 6 and the rear flow transfer plate 5, flow transfer testing is completed, and the staff can also unscrew the fixed bolt 8, lift the upper side wall device 3 upwards, separate the fixed block 1 from the upper side wall device 3, and disassemble and replace the upper side wall device 3.

[0022] Finally, the following points should be noted: first, in the description of the present application, it should be pointed out that, unless otherwise specified and limited, the terms “installation”, “connection”, “connection” should be understood in a broad sense, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, “up”, “down”, “left”, “right” and the like are only used to indicate the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0023] Secondly, the structure involved in the drawings of the utility model is only related to the structure involved in the present disclosure, other structures can be referred to the general design, and the same embodiment and different embodiments of the utility model can be combined with each other under the condition of no conflict;

[0024] Finally: the above only for the preferred embodiments of the present application have, and not for limiting the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the scope of protection of the present application.

[0025] The above are the preferred embodiments of the present application, and are not limited by the scope of protection of the present application, therefore: any equivalent changes made in accordance with the structure, shape, principle of the present application, should be covered within the scope of protection of the present application.

Claims

1. A vehicle body side skirt flow turn testing device comprising an upper side device (3), a front flow turn plate (6) and a lower side device (7), characterized in that: Both sides of the top of the upper side device (3) are fixedly connected with movable shafts (2), one of the movable shafts (2) is movably installed with a front flow turnover plate (6), the other movable shaft (2) is movably installed with a rear flow turnover plate (5), the front flow turnover plate (6) and the rear flow turnover plate (5) are movably installed with a limiting pin (4) between the movable shaft (2), the limiting pin (4) is movably installed with a nut (9) between the front flow turnover plate (6) and the rear flow turnover plate (5), the bottom of the upper side device (3) is movably installed with a lower side device (7), the top of the lower side device (7) is fixedly connected with a fixed block (1).

2. The side wall flow test apparatus according to claim 1, wherein: The inside of the fixed block (1) is provided with a pin hole (101), and the fixed pin (8) is threadedly connected with the pin hole (101).

3. The side wall flow test apparatus according to claim 1, wherein: The inside of the upper side device (3) is provided with a limiting groove (301), and the fixed block (1) is embedded with the limiting groove (301).

4. The side wall flow test apparatus according to claim 3, wherein: The top of the lower side device (7) on both sides of the fixed block (1) is fixedly connected with a limiting rod (10), the inside of the upper side device (3) on both sides of the limiting groove (301) is provided with a limiting hole (302), and the limiting rod (10) is embedded with the limiting hole (302).

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