High-performance automobile horn sound measuring device

Abstract

The utility model provides a high-performance automobile horn sound measuring device. The high-performance automobile horn sound measuring device comprises an inspection box, a telescopic pipe is installed on the side wall of the left end of the inspection box, a sound pickup cover is fixedly installed at the other end of the telescopic pipe, a rotating shaft is fixedly installed on the outer wall of the sound pickup cover and rotationally connected with a cover plate, and the cover plate makes contact with the outer wall of the sound pickup cover in an attached mode. Rectangular openings are formed in the side walls of the front end and the rear end of the inspection box. According to the high-performance automobile horn sound measuring device provided by the utility model, when the dustproof plate needs to be replaced, the limiting rod at the bottom of the rectangular plate is pulled out from the interior of the circular groove, then the limiting block provided with the rectangular frame is pulled out from the interior of the limiting groove, and the dustproof plate can be taken down to be cleaned; and the dustproof plate can be quickly mounted and dismounted.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile horn detection, in particular to a high-performance automobile horn sound measuring device. Background Art

[0002] The function of a car horn is to help the driver warn pedestrians or other vehicles to give way in time, and existing traffic regulations have strict provisions on the decibel value of vehicle horns to prevent the sound emitted by vehicle horns from being too loud and causing serious sound pollution. Therefore, in order to prevent illegal modification of vehicle horns that causes the sound output by the horns to be too loud, vehicle horns need to be tested.

[0003] However, the heat dissipation port of the existing sound measuring device is usually installed with a dust cover. Due to long-term use, a large amount of dust will adhere to the dust cover. Since it is relatively cumbersome to remove the dust cover, the cleaning efficiency is low.

[0004] Therefore, it is necessary to provide a high-performance automobile horn sound measuring device to solve the above technical problems. Utility Model Content

[0005] The utility model provides a high-performance automobile horn sound measuring device, which solves the problem that it is cumbersome to disassemble a dust cover on the sound measuring device.

[0006] In order to solve the above technical problems, the utility model provides a high-performance automobile horn sound testing device, comprising: an inspection box, a telescopic tube is installed on the left side wall of the inspection box, a sound pickup cover is fixedly installed on the other end of the telescopic tube, a rotating shaft is fixedly installed on the outer wall of the sound pickup cover, a cover plate is rotatably connected to the rotating shaft, the cover plate is in close contact with the outer wall of the sound pickup cover, a rectangular opening is provided on the front and rear side walls of the inspection box, a mounting seat is installed on the side walls of the mounting seat, a limiting groove is provided on the side wall of each group of the limiting grooves, a limiting block is plugged in and connected to the inside of each group of the limiting grooves, a rectangular frame is fixedly installed between the two groups of the limiting blocks, a dustproof plate is installed on the inner wall of the rectangular frame, a plurality of groups of circular grooves are provided on the top of the mounting seat, a limiting rod is plugged in and connected to the inner wall of the circular groove, a rectangular plate is installed on the top of the limiting rod, and a display screen is installed on the outer wall of the inspection box.

[0007] Preferably, the outer walls of several groups of the mounting seats are all installed with rectangular blocks 2, and a scraper is installed between every two groups of rectangular blocks 2, and the scraper is in close contact with the dustproof plate.

[0008] Preferably, a rectangular block 1 and a baffle 2 are respectively installed on the outer wall of the sound pickup cover, and the inner wall of the rectangular block 1 is slidably connected with the baffle 1, and the inner walls of the baffle 1 and the baffle 2 are in close contact with the outer wall of the cover.

[0009] Preferably, a spring is installed between the second baffle and the inner wall of the first rectangular block, and a protrusion is fixedly installed on the outer wall of the cover plate.

[0010] Preferably, a rectangular block three is installed on the top of the rectangular plate.

[0011] Compared with the related art, the high-performance automobile horn sound measuring device provided by the utility model has the following beneficial effects:

[0012] The utility model provides a high-performance automobile horn sound measuring device. When the dustproof plate needs to be replaced, the limiting rod at the bottom of the rectangular plate is pulled out from the inside of the circular groove, and then the limiting block with a rectangular frame is pulled out from the inside of the limiting groove, and the dustproof plate can be removed for cleaning. Through the interaction of the above components, the dustproof plate can be quickly installed and disassembled. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 A schematic structural diagram of a preferred embodiment of the high-performance automobile horn sound measuring device provided by the utility model;

[0014] Figure 2 for Figure 1 The schematic diagram of the internal structure of the inspection box shown;

[0015] Figure 3 for Figure 1 A schematic structural diagram of the telescopic tube structure shown;

[0016] Figure 4 for Figure 1 A schematic structural diagram of the rotating shaft structure shown;

[0017] Figure 5 for Figure 1 An enlarged schematic diagram of part A is shown;

[0018] Figure 6 for Figure 2 An enlarged schematic diagram of part B is shown;

[0019] Figure 7 for Figure 3 An enlarged schematic diagram of part C is shown.

[0020] Numbers in the figure: 1, floor, 2, supporting leg, 3, water pipe, 4, water pump, 5, water tank, 6, feed hopper, 7, screw extruder, 8, discharge pipe, 9, annular pipe, 10, nozzle, 11, annular fan, 12, annular ring, 13, carbon fiber tube body, 14, telescopic rod, 15, spring, 16, adjustment component, 161, cylinder, 162, round rod, 163, external thread, 164, rectangular groove, 165, internal thread ring, 17, water inlet pipe, 18, support rod one, 19, support rod two, 20, mounting block, 21, sponge block, 22, baffle, 23, limit block, 24, rotating shaft, 25, torsion spring, 26, limit groove, 27, limit block. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0022] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 ,in, Figure 1 A schematic structural diagram of a preferred embodiment of the high-performance automobile horn sound measuring device provided by the utility model; Figure 2 for Figure 1 The schematic diagram of the internal structure of the inspection box shown; Figure 3 for Figure 1 A schematic structural diagram of the telescopic tube structure shown; Figure 4 for Figure 1 A schematic structural diagram of the rotating shaft structure shown; Figure 5 for Figure 1 An enlarged schematic diagram of part A is shown; Figure 6 for Figure 2 An enlarged schematic diagram of part B is shown; Figure 7 for Figure 3The high-performance automobile horn sound measuring device comprises: an inspection box 1, a telescopic tube 7 is installed on the left side wall of the inspection box 1, a sound pickup cover 8 is fixedly installed on the other end of the telescopic tube 7, a rotating shaft 16 is fixedly installed on the outer wall of the sound pickup cover 8, a cover plate 9 is rotatably connected to the rotating shaft 16, and the cover plate 9 is in close contact with the outer wall of the sound pickup cover 8, a rectangular opening 13 is opened on the front and rear side walls of the inspection box 1, and a mounting seat 3 is installed on the left and right side walls of the inspection box 1, and the mounting seat 3 is installed on the left and right side walls of the inspection box 1. The side wall of the seat 3 is provided with a limiting groove 22, and each group of the limiting grooves 22 is plugged and connected to the limiting blocks 19, and a rectangular frame 4 is fixedly installed between the two groups of the limiting blocks 19. A dustproof plate 5 is installed on the inner wall of the rectangular frame 4. A plurality of groups of circular grooves 21 are provided on the top of the mounting seat 3, and the inner wall of the circular groove 21 is plugged and connected to the limiting rod 20. A rectangular plate 18 is installed on the top of the limiting rod 20, and the rectangular plate 18 is in contact with the top of the mounting seat 3. A display screen 2 is installed on the outer wall of the inspection box 1.

[0023] The outer walls of several groups of the mounting seats 3 are all installed with rectangular blocks 15, and a scraper 6 is installed between every two groups of rectangular blocks 15. The scraper 6 is in contact with the dustproof plate 5. When the dustproof plate 5 leaves the limiting groove 22, the scraper 6 will automatically clean up the dust attached to the outer wall of the dustproof plate 5.

[0024] The outer wall of the sound pickup cover 8 is respectively installed with a rectangular block 11 and a baffle 2 14 , the inner wall of the rectangular block 11 is slidably connected with a baffle 10 , and the inner walls of the baffle 10 and the baffle 2 14 are in contact with the outer wall of the cover plate 9 .

[0025] A spring 23 is installed between the baffle 2 14 and the inner wall of the rectangular block 11, and a protrusion 12 is fixedly installed on the outer wall of the cover 9. When the cover 9 needs to be moved, the baffle 10 is first squeezed into the inside of the rectangular block 11. When the baffle 10 leaves the cover 9, the protrusion 12 is pushed to rotate the cover 9 along the rotating shaft 16 to leave the entrance of the pickup cover 8.

[0026] A rectangular block 3 17 is installed on the top of the rectangular plate 18 . The arrangement of the rectangular block 3 17 facilitates the removal of the limiting rod 20 at the bottom of the rectangular plate 18 from the inside of the circular groove 21 .

[0027] The working principle of the high-performance automobile horn sound testing device provided by the utility model is as follows: before use, first remove the cover plate 9 from the entrance end of the sound pickup cover 8, then adjust the length of the telescopic tube 7 to facilitate the sound pickup cover 8 to approach the horn to be tested. During the long-term use of the inspection box 1, a large amount of dust will adhere to the dustproof plate 5. When the dustproof plate 5 needs to be replaced, the limiting rod 20 at the bottom of the rectangular plate 18 is pulled out from the inside of the circular groove 21, and then the limiting block 19 with the rectangular frame 4 installed is pulled out from the inside of the limiting groove 22, and the dustproof plate 5 can be removed for cleaning.

[0028] Compared with the related art, the high-performance automobile horn sound measuring device provided by the utility model has the following beneficial effects:

[0029] When the dustproof plate 5 needs to be replaced, the limiting rod 20 at the bottom of the rectangular plate 18 is pulled out from the circular groove 21, and then the limiting block 19 installed with the rectangular frame 4 is pulled out from the limiting groove 22, and the dustproof plate 5 can be removed for cleaning. Through the interaction of the above components, the dustproof plate 5 can be quickly installed and removed.

[0030] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A high-performance automobile horn sound measuring device, characterized in that: include: An inspection box (1), wherein a telescopic tube (7) is installed on the left side wall of the inspection box (1), a sound pickup cover (8) is fixedly installed on the other end of the telescopic tube (7), a rotating shaft (16) is fixedly installed on the outer wall of the sound pickup cover (8), the rotating shaft (16) is rotatably connected to a cover plate (9), the cover plate (9) is in close contact with the outer wall of the sound pickup cover (8), the front and rear side walls of the inspection box (1) are both provided with rectangular openings (13), the side walls of the inspection box (1) on the left and right ends of the rectangular opening (13) are both provided with mounting seats (3), the mounting seats (3) The side wall of the mounting seat (3) is provided with a limiting groove (22), each group of the limiting grooves (22) is plugged and connected to a limiting block (19), a rectangular frame (4) is fixedly installed between two groups of the limiting blocks (19), a dustproof plate (5) is installed on the inner wall of the rectangular frame (4), a plurality of groups of circular grooves (21) are provided on the top of the mounting seat (3), a limiting rod (20) is plugged and connected to the inner wall of the circular groove (21), a rectangular plate (18) is installed on the top of the limiting rod (20), and a display screen (2) is installed on the outer wall of the inspection box (1).

2. The high-performance automobile horn sound measuring device according to claim 1, characterized in that: The outer walls of several groups of the mounting seats (3) are all installed with rectangular blocks 2 (15), and a scraper (6) is installed between every two groups of rectangular blocks 2 (15), and the scraper (6) is in close contact with the dustproof plate (5).

3. The high-performance automobile horn sound measuring device according to claim 1, characterized in that: The outer wall of the sound pickup cover (8) is respectively installed with a rectangular block 1 (11) and a baffle 2 (14); the inner wall of the rectangular block 1 (11) is slidably connected with a baffle 1 (10); the inner walls of the baffle 1 (10) and the baffle 2 (14) are in close contact with the outer wall of the cover plate (9).

4. The high-performance automobile horn sound measuring device according to claim 3, characterized in that: A spring (23) is installed between the second baffle plate (14) and the inner wall of the first rectangular block (11), and a protrusion (12) is fixedly installed on the outer wall of the cover plate (9).

5. The high performance automobile horn sound measuring device according to claim 1, characterized in that: A rectangular block three (17) is installed on the top of the rectangular plate (18).

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