Air horn structure for vehicle

Abstract

The utility model relates to the technical field of vehicle horns, in particular to a vehicle air horn structure which comprises a base and a rotating shaft, the inner wall of the base is rotationally connected with the rotating shaft through a bearing, the upper end of the rotating shaft is fixedly connected with a shell, a dust cover moving mechanism is arranged in the shell, and the inner wall of the shell is fixedly connected with an air box. Through cooperation of the shell and the dust cover moving mechanism, the motor drives the cam to rotate, the cam drives the connecting plate to move on the shell, meanwhile, the connecting plate slides on the sliding rod, the spring enables the connecting plate to be always attached to the cam, the connecting plate drives the dust cover to move, and after the dust cover moves away from the surface of the horn opening, vibration sound of the reed is transmitted out of the horn opening. By means of the mode, the dust cover can be moved away when the horn is used, sound transmission is prevented from being blocked, and the using effect of the air horn structure is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle horns, in particular to a vehicle air horn structure. Background Art

[0002] An air horn is a type of car horn, available in electric and mechanical versions. Air horns utilize compressed airflow to vibrate a metal diaphragm. They are typically long, trumpet-shaped (cylindrical), producing a loud sound that travels far. They are primarily used on large and medium-sized vehicles for long-distance travel and are prohibited in urban areas.

[0003] For example, a passenger vehicle air horn with authorization publication number "CN214315526U" effectively protects the horn within a cylinder surrounding the horn, shielding it from external influences. The cylinder, acting as a ring-shaped interface, amplifies the horn's volume, and a dust cover snapped onto the horn's mouth effectively protects the horn's sound channel. However, the dust cover of this passenger vehicle air horn is always placed at the horn's mouth. After prolonged use, a large amount of dust accumulates on its surface, reducing the sound emitted by the air horn and the effectiveness of the air horn structure. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that the dust cover is always placed at the horn mouth, and a large amount of dust will accumulate on the surface of the dust cover after long-term use, which causes the sound of the air horn to be reduced, thereby reducing the use effect of the air horn structure. A vehicle air horn structure is proposed.

[0005] To achieve the above purpose, the present invention provides the following technical solutions:

[0006] A vehicle air horn structure is designed, including a base and a rotating shaft. The inner wall of the base is rotatably connected to the rotating shaft through a bearing, the upper end of the rotating shaft is fixedly connected to the shell, a dust cover moving mechanism is provided inside the shell, and the inner wall of the shell is fixedly connected to the air box.

[0007] Preferably, the dust cover moving mechanism includes a motor, the outer wall of the motor is fixedly connected to the shell through a bracket, the output shaft of the motor is fixedly connected to the cam, the outer wall of the cam is fitted with a connecting plate, springs are provided on both sides of the outer wall of the connecting plate, the surface of the connecting plate is fixedly connected to the dust cover through the bracket, the inner wall of the connecting plate is slidably connected to the slide rod through a through hole, and the end of the slide rod is fixedly connected to the shell.

[0008] Preferably, both ends of the spring are fixedly connected to the connecting plate and the housing respectively, and the end of the cam is rotatably connected to the housing via a bearing.

[0009] Preferably, a reed is provided inside the air box, the outer wall of the air box is fixedly connected to the bell mouth, and the outer wall of the bell mouth is in contact with the dust cover.

[0010] Preferably, an air plug is provided on the outer wall of the shell, the outer wall of the air plug is fixedly connected to the air pipe, and the lower end of the base is fixedly connected to the vehicle body.

[0011] The utility model proposes a vehicle air horn structure, which has the beneficial effect that: through the cooperation of the shell and the dust cover moving mechanism, the motor drives the cam to rotate, the cam drives the connecting plate to move on the shell, and at the same time the connecting plate slides on the slide rod, the spring makes the connecting plate always close to the cam, and the connecting plate drives the dust cover to move. After the dust cover is removed from the surface of the trumpet mouth, the sound of the vibrating reed is transmitted from the trumpet mouth. In this way, the dust cover can be removed when the horn is in use to avoid blocking the sound propagation, which improves the use effect of the air horn structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the structure of the utility model;

[0013] Figure 2 for Figure 1 A top cross-sectional schematic diagram of ;

[0014] Figure 3 for Figure 2 A partial front cross-sectional schematic diagram of ;

[0015] Figure 4 is a partial front cross-sectional schematic diagram of 1;

[0016] Figure 5 for Figure 1 Schematic diagram of the front view.

[0017] In the figure: 1. base, 2. rotating shaft, 3. shell, 4. dust cover moving mechanism, 401. motor, 402. cam, 403. connecting plate, 404. dust cover, 405. slide bar, 406. spring, 5. air box, 6. reed, 7. bell mouth, 8. air pipe, 9. air plug, 10. vehicle body. DETAILED DESCRIPTION

[0018] The present invention will be further described below with reference to the accompanying drawings:

[0019] Refer to the attached Figure 1-5 In this embodiment, a vehicle air horn structure includes a base 1 and a rotating shaft 2. The inner wall of the base 1 is rotatably connected to the rotating shaft 2 via a bearing. The upper end of the rotating shaft 2 is fixedly connected to a housing 3. A dust cover moving mechanism 4 is provided inside the housing 3. The inner wall of the housing 3 is fixedly connected to the air box 5.

[0020] The two ends of the spring 406 are fixedly connected to the connecting plate 403 and the shell 3 respectively. The elastic coefficient of the spring 406 is selected according to actual needs and can be selected to meet the working needs. The end of the cam 402 is rotatably connected to the shell 3 through a bearing. The cam 402 rotates on the shell 3. A reed 6 is provided inside the air box 5, and the reed 6 vibrates and makes a sound. The outer wall of the air box 5 is fixedly connected to the bell mouth 7, and the outer wall of the bell mouth 7 fits with the dust cover 404. The outer wall of the shell 3 is provided with an air plug 9, and the outer wall of the air plug 9 is fixedly connected to the air pipe 8. The lower end of the base 1 is fixedly connected to the vehicle body 10.

[0021] Refer to the attached Figure 2 、 Figure 3 and Figure 4 : In this embodiment, a vehicle air horn structure, the dust cover moving mechanism 4 includes a motor 401, the outer wall of the motor 401 is fixedly connected to the shell 3 through a bracket, the model of the motor 401 is selected according to actual needs, and the one that meets the work needs can be selected, the output shaft of the motor 401 is fixedly connected to the cam 402, the motor 401 drives the cam 402 to rotate, the outer wall of the cam 402 is in contact with the connecting plate 403, the cam 402 drives the connecting plate 403 to move, and springs 406 are provided on both sides of the outer wall of the connecting plate 403, the surface of the connecting plate 403 is fixedly connected to the dust cover 404 through the bracket, the connecting plate 403 drives the dust cover 404 to move, the inner wall of the connecting plate 403 is slidably connected to the slide rod 405 through the through hole, the connecting plate 403 moves on the slide rod 405, and the end of the slide rod 405 is fixedly connected to the shell 3.

[0022] Working principle:

[0023] When you need to use the air horn in your car:

[0024] First, fix the base 1 on the corresponding bracket of the car through the threaded holes and fixing bolts next to the base, connect the car's air pump to the air pipe 8, and drive the housing 3 to rotate to a suitable angle with the rotating rod 2. When the air horn needs to make a sound, open the air plug 9 to ventilate the air pump, and the gas is sent into the air box 5 through the air pipe 8. The gas makes the reed 6 vibrate and make a sound, and the sound is transmitted through the horn mouth 7. The above method is consistent with the vehicle air horn for passenger cars with the authorization announcement number "CN214315526U", which is the existing technology. When the air pump is started, the external power supply of the motor 401 is turned on. The motor 401 is started, and the motor 401 drives the cam 402 to rotate. The cam 402 drives the connecting plate 403 to move on the housing 3. At the same time, the connecting plate 403 slides on the slide bar 405. The spring 406 keeps the connecting plate 403 in close contact with the cam 402. The connecting plate 403 drives the dust cover 404 to move. After the dust cover 404 moves away from the surface of the bell mouth 7, the sound of the reed 6 vibrating is emitted from the bell mouth 7. After the air horn is used, the air plug 9 is closed, and the motor 401 continues to work. After the dust cover 404 moves to the surface of the bell mouth 7 in the above manner, the motor 401 stops working. The dust cover 404 can continue to protect the bell mouth 7 from dust, and the air horn is used in the above manner.

[0025] While the present invention has been shown and described with reference to preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. A vehicle air horn structure, comprising a base (1) and a rotating shaft (2), wherein the inner wall of the base (1) is rotatably connected to the rotating shaft (2) via a bearing, and is characterized in that: The upper end of the rotating shaft (2) is fixedly connected to the housing (3), a dust cover moving mechanism (4) is provided inside the housing (3), and the inner wall of the housing (3) is fixedly connected to the air box (5).

2. The vehicle air horn structure according to claim 1, characterized in that: The dust cover moving mechanism (4) includes a motor (401), the outer wall of the motor (401) is fixedly connected to the housing (3) through a bracket, the output shaft of the motor (401) is fixedly connected to the cam (402), the outer wall of the cam (402) is in contact with the connecting plate (403), springs (406) are provided on both sides of the outer wall of the connecting plate (403), the surface of the connecting plate (403) is fixedly connected to the dust cover (404) through a bracket, the inner wall of the connecting plate (403) is slidably connected to the slide rod (405) through a through hole, and the end of the slide rod (405) is fixedly connected to the housing (3).

3. The vehicle air horn structure according to claim 2, characterized in that: The two ends of the spring (406) are fixedly connected to the connecting plate (403) and the housing (3), respectively, and the end of the cam (402) is rotatably connected to the housing (3) via a bearing.

4. The vehicle air horn structure according to claim 1, characterized in that: A reed (6) is provided inside the air box (5), the outer wall of the air box (5) is fixedly connected to the bell mouth (7), and the outer wall of the bell mouth (7) is in contact with the dust cover (404).

5. The vehicle air horn structure according to claim 1, characterized in that: An air plug (9) is provided on the outer wall of the shell (3), and the outer wall of the air plug (9) is fixedly connected to the air pipe (8). The lower end of the base (1) is fixedly connected to the vehicle body (10).

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