CN214749994U

CN214749994U - Sound insulation testing device for automobile carpet

Info

Publication number: CN214749994U
Application number: CN202120743049.1U
Authority: CN
Inventors: 张良宇
Original assignee: Hanquan Special Textile Pinghu Co ltd
Current assignee: Hanquan Special Textile Pinghu Co ltd
Priority date: 2021-04-13
Filing date: 2021-04-13
Publication date: 2021-11-16
Anticipated expiration: 2031-04-13

Abstract

The utility model belongs to the technical field of automotive carpet test equipment, especially, be a device is used in test of sound insulation automotive carpet, the power distribution box comprises a box body, install in the box and be equipped with the vocal ware that is used for the test in stopper and the stopper, the up end parallel of box is equipped with the test box, all be equipped with the soundproof cotton who is used for the jam-proof on the inner wall of box and test box, be equipped with the test socket with the inside intercommunication of box on the test box bottom wall, be equipped with in the box and be used for bearing the weight of placing the piece of carpet and place the piece and be equipped with the support bar in, install the decibel appearance that is used for testing the syllable-dividing effect on the interior roof of test box, be equipped with the hold-down mechanism that is used for compressing tightly automotive carpet in the test box. The utility model discloses a to give sound insulation automotive carpet places in placing the piece, then drives hold-down mechanism and compresses tightly automotive carpet, avoids automotive carpet appearance clearance's phenomenon, improves the accuracy nature of test, can show the influence that reduces external noise through soundproof cotton.

Description

Sound insulation testing device for automobile carpet

Technical Field

The utility model relates to an automotive carpet test equipment technical field specifically is a device is used in automotive carpet sound insulation test gives sound insulation.

Background

Along with the continuous development of society, people's standard of living is constantly improving, and the car becomes the instrument of riding instead of walk in people's daily life gradually, and the car need use the auto carpet when decorating, wherein give sound insulation the more and more extensive of auto carpet application, and the auto carpet that gives sound insulation needs to give sound insulation in the in-process of production and tests.

For example, chinese patent application No.: CN202020778833.1 discloses a device for testing sound insulation of carpet parts, which comprises a rectangular main body frame and a vehicle bottom metal plate, wherein the vehicle bottom metal plate is cut from the whole vehicle and is attached to a carpet, the vehicle bottom metal plate is installed in the main body frame through a metal plate tool, the edge of the vehicle bottom metal plate is welded with the inner edge of the metal plate tool, the outer edge of the metal plate tool is welded with the bottom edge of the main body frame, and the thickness of the metal plate tool is larger than that of the vehicle bottom metal plate; but the sound insulation test among the prior art is with device inconvenience carry out good fixed with automotive carpet, has the clearance at the process carpet of test, influences the accuracy nature of test, and external environment's noise causes the influence to the test result easily simultaneously.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a soundproof test device for automotive carpet sound insulation test has solved the inconvenient good fixing of carrying on automotive carpet of soundproof test device in the middle of the prior art, reduces the problem of the accuracy nature of test.

The second technical proposal.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

the utility model provides a device is used in test of automotive carpet sound insulation gives sound insulation, includes the box, be equipped with the vocal ware that is used for the test in installing stopper and stopper in the box, the up end parallel of box is equipped with the test box, all be equipped with the soundproof cotton who is used for the jam-proof on the inner wall of box and test box, be equipped with the test port with the inside intercommunication of box in the test box on the diapire, be equipped with in the box and be used for bearing the weight of placing the piece of carpet and place the piece and be equipped with the support bar, install the decibel appearance that is used for testing syllable-dividing effect on the interior roof of test box, be equipped with the hold-down mechanism who is used for compressing tightly automotive carpet in the test box.

Further, hold-down mechanism includes that the symmetry installs two electric telescopic handle on the roof in the test box, electric telescopic handle is connected with through the connecting block and compresses tightly the frame and compress tightly the frame and place the piece phase-match.

Furthermore, the box body is connected with a box door through a hinge, and a pulling block used for pulling is arranged on the front side wall of the box door.

Further, the test box has the sealing door through hinge connection, be equipped with opening and opening coal sealing connection in the sealing door and be used for looking over the double glazing glass that gives sound insulation of test numerical value.

Furthermore, four corners of the lower end face of the box body are provided with universal wheels for moving directions.

Further, the top that mounting bracket and mounting bracket were installed to the lateral wall of test box is connected with control panel who controls electric telescopic handle.

(III) advantageous effects

Compared with the prior art, the utility model provides a device is used in automotive carpet sound insulation test gives sound insulation possesses following beneficial effect:

1. the utility model discloses, through placing the automotive carpet that gives sound insulation in placing the piece, then drive hold-down mechanism compresses tightly automotive carpet, avoids automotive carpet appearance clearance's phenomenon, improves the accuracy nature of test, makes things convenient for the tester to test, improves the efficiency of test.

2. The utility model discloses, can show through soundproof cotton and reduce external noise and get the influence, improve the accuracy nature to the automotive carpet sound insulation test that gives sound insulation, easy and simple to handle, efficiency is higher.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is an internal schematic view of the three-dimensional structure of the present invention;

FIG. 3 is a schematic view of the structure of the placement block of the present invention;

fig. 4 is a front view of the structure of the present invention;

fig. 5 is a cross-sectional view of the present invention at a-a.

In the figure: 1. a box body; 2. a limiting block; 3. a sound generator; 4. a test box; 5. sound insulation cotton; 6. a test port; 7. placing the blocks; 8. a supporting strip; 9. a decibel meter; 10. a hold-down mechanism; 1001. an electric telescopic rod; 1002. Connecting blocks; 1003. a pressing frame; 11. a box door; 12. a sealing door; 13. sound-proof glass; 14. a universal wheel; 15. a mounting frame; 16. a control panel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

As shown in fig. 1-5, an embodiment of the present invention provides a device for sound insulation test of car carpet, including a box body 1, a stopper 2 is installed in the box body 1, and a sounder 3 for test is provided in the stopper 2, a test box 4 is provided in parallel on the upper end surface of the box body 1, soundproof cotton 5 for anti-interference is provided on the inner walls of the box body 1 and the test box 4, a test port 6 communicated with the inside of the box body 1 is provided on the inner bottom wall of the test box 4, a placing block 7 for bearing carpet is provided in the box body 1, and a support bar 8 is provided in the placing block 7, a decibel meter 9 for testing the soundproof effect is installed on the inner top wall of the test box 4, and a pressing mechanism 10 for pressing the car carpet is provided in the test box 4; it is convenient to carry on spacingly to vocal ware 3 through stopper 2, the shape of stopper 2 can be made according to vocal ware 3's shape, can improve box 1 and test box 4's syllable-dividing function through soundproof cotton 5, avoid external environment to cause the influence to the result of test, conveniently place syllable-dividing automotive carpet through placing piece 7 and support bar 8, shorten tester's operating time, can test automotive carpet's sound insulation effect through decibel appearance 9, conveniently compress tightly automotive carpet through hold-down mechanism 10, avoid appearing the accuracy nature that the clearance influences the test.

As shown in fig. 2 and 3, in some embodiments, the pressing mechanism 10 includes two electric telescopic rods 1001 symmetrically installed on the inner top wall of the test box 4, the electric telescopic rods 1001 are connected with a pressing frame 1003 through a connecting block 1002, and the pressing frame 1003 is matched with the placing block 7; through the extension of electric telescopic handle 1001 or shorten, can make and compress tightly frame 1003 and reciprocate to convenient compress tightly automotive carpet, improve the accuracy nature of sound insulation test.

As shown in fig. 1 and 4, in some embodiments, the box body 1 is connected with the box door 11 through hinges, and a pull block for pulling is arranged on a front side wall of the box door 11; can seal box 1 through chamber door 11, avoid causing the influence to the result of test, still conveniently maintain sounder 3.

As shown in fig. 1 and 4, in some embodiments, the test box 4 is connected with a sealing door 12 through a hinge, an opening is formed in the sealing door 12, and a double-layer sound-proof glass 13 for checking a test value is connected with the opening in a sealing manner; conveniently seal up test box 4 through sound-proof glass 13 on the one hand, on the other hand makes things convenient for the tester to read the numerical value on the decibel appearance 9.

As shown in fig. 1, in some embodiments, universal wheels 14 for moving direction are mounted at four corners of the lower end surface of the box body 1; the sound insulation testing device is convenient to flexibly move through the universal wheels 14, and operation of a tester is convenient.

As shown in fig. 1, in some embodiments, a mounting rack 15 is mounted on a side wall of the testing box 4, and a control panel 16 for controlling the electric telescopic rod 1001 is connected to a top end of the mounting rack 15; make things convenient for the extension of tester control electric telescopic handle 1001 or shorten through control panel 16, conveniently compress tightly the automotive carpet that gives sound insulation.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a device is used in automotive carpet sound insulation test gives sound insulation, includes box (1), its characterized in that: install in box (1) stopper (2) and be equipped with sounder (3) that are used for the test, the up end parallel of box (1) is equipped with test box (4), all be equipped with soundproof cotton (5) that are used for the jam-proof on the inner wall of box (1) and test box (4), be equipped with on test box (4) inner bottom wall with test mouth (6) of box (1) inside intercommunication, be equipped with in box (1) and be used for bearing the weight of placing piece (7) of carpet and place and be equipped with support bar (8) in piece (7), install decibel appearance (9) that are used for testing syllable-dividing effect on the interior roof of test box (4), be equipped with in test box (4) and be used for compressing tightly the hold-down mechanism (10) of automotive carpet.

2. The device for testing the sound insulation of the sound-insulation automobile carpet as claimed in claim 1, wherein: the pressing mechanism (10) comprises two electric telescopic rods (1001) symmetrically installed on the inner top wall of the test box (4), and the electric telescopic rods (1001) are connected with a pressing frame (1003) through connecting blocks (1002), press the pressing frame (1003) and match with the placing blocks (7).

3. The device for testing the sound insulation of the sound-insulation automobile carpet as claimed in claim 1, wherein: the box body (1) is connected with a box door (11) through a hinge, and a pulling block used for pulling is arranged on the front side wall of the box door (11).

4. The device for testing the sound insulation of the sound-insulation automobile carpet as claimed in claim 1, wherein: the test box (4) is connected with a sealing door (12) through a hinge, and an opening coal sealing connection are arranged in the sealing door (12) and are used for checking double-layer sound insulation glass (13) of a test value.

5. The device for testing the sound insulation of the sound-insulation automobile carpet as claimed in claim 1, wherein: four corners of the lower end face of the box body (1) are respectively provided with a universal wheel (14) used for moving direction.

6. The device for testing the sound insulation of the sound-insulation automobile carpet as claimed in claim 1, wherein: the side wall of the test box (4) is provided with a mounting rack (15), and the top end of the mounting rack (15) is connected with a control panel (16) for controlling the electric telescopic rod (1001).