CN215121194U

CN215121194U - Sound eliminating box for electroacoustic detection

Info

Publication number: CN215121194U
Application number: CN202121238426.2U
Authority: CN
Inventors: 郜成兵; 王艳霞
Original assignee: Suzhou Wonderful Mechanical Co ltd
Current assignee: Suzhou Yinguancheng Intelligent Technology Co ltd
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2021-12-10
Anticipated expiration: 2031-06-03

Abstract

The utility model discloses a sound-deadening box for electroacoustic detection, which comprises an outer box and an inner box, wherein the inner box is arranged in the outer box, a cavity is formed between the inner box and the outer box, the outer box is connected with the inner box through a fixing component, a first sound-absorbing plate is arranged on the inner wall of the inner box, a placing component is arranged in the inner cavity of the inner box, a box door is arranged on the front side of the outer box, first fixing blocks are symmetrically arranged on the two sides of the box door, fixing bolts are arranged on the front side of the first fixing blocks, second fixing blocks are symmetrically arranged on the two sides of the outer box, the tail ends of the fixing bolts penetrate through the first fixing blocks and are in threaded connection with the second fixing blocks, a second sound-absorbing plate and a third sound-absorbing plate are arranged on the rear side of the box door, the second sound-absorbing plate is arranged between the third sound-absorbing plates, the utility model has simple structure and reasonable design, is convenient for taking and placing equipment to be detected, have better sealed and noise cancelling effect to and have certain shock attenuation effect, the practicality is strong.

Description

Sound eliminating box for electroacoustic detection

Technical Field

The utility model relates to a electroacoustic detects uses whistle box belongs to electroacoustic detection technical field.

Background

Electro-acoustic detection is a method and a process for testing electro-acoustic conversion performance of various electro-acoustic conversion devices such as a loudspeaker, a receiver, an earphone and a microphone through cooperation of an electro-acoustic testing instrument and corresponding software and a testing environment, the electro-acoustic detection is generally carried out in a silencing environment so as to improve the accuracy of detection, when the detection is carried out, the device to be detected can be conveniently taken and placed, and a silencing box is required to have better sealing and silencing effects and certain damping effect, so that the detection effect is better ensured, and therefore, the silencing box for electro-acoustic detection is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a electroacoustic detects and uses whistle box to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a sound-absorbing box for electroacoustic detection comprises an outer box and an inner box, wherein the inner box is arranged in the outer box, a cavity is formed between the inner box and the outer box, the outer box is connected with the inner box through a fixing component, a first sound-absorbing plate is arranged on the inner wall of the inner box, a placing component is arranged in the inner cavity of the inner box, a box door is arranged on the front side of the outer box, first fixed blocks are symmetrically arranged on two sides of the box door, fixing bolts are arranged on the front side of the first fixed blocks, second fixed blocks are symmetrically arranged on two sides of the outer box, the tail ends of the fixing bolts penetrate through the first fixed blocks and are in threaded connection with the second fixed blocks, a second sound-absorbing plate and a third sound-absorbing plate are arranged on the rear side of the box door, the second sound-absorbing plate is arranged between the third sound-absorbing plates, sound-absorbing holes are formed in the inner walls of the first sound-absorbing plate, the rear side of the second sound-absorbing plate and the inner wall of the third sound-absorbing plate, the second sound-absorbing plate is attached to the inner wall of the first sound-absorbing plate, the third sound-absorbing board is located in the cavity, and a damping assembly is arranged at the bottom of the outer box.

Further, fixed subassembly includes first cardboard and second cardboard, first cardboard sets up around the outer container inner wall, the second cardboard symmetry sets up in first cardboard both sides, just the second cardboard is connected with the inner box, first cardboard and second cardboard front end laminate mutually with the third sound absorbing plate.

Further, place the subassembly including placing board, splint and double-layered groove, place the board and set up in the inner box inner chamber, splint symmetry respectively set up in placing the board both sides, splint keep away from the one end of placing the board and run through first abatvoix and inner box wall connection, the double-layered groove is seted up in splint and the relative one side of placing the board, just place the board both sides and set up in the double-layered inslot.

Furthermore, splint one side is provided with the inclined plane board, just the inclined plane board symmetry sets up in pressing from both sides the groove both sides, the inclined plane board is laminated mutually with the place board.

Furthermore, sound-absorbing cotton is filled in the cavity.

Further, the shock absorption assembly comprises a shock absorption plate, a damper and a square frame plate, the shock absorption plate is arranged below the outer box, the damper array is arranged at the top of the shock absorption plate, the upper end and the lower end of the damper are respectively connected with the outer box and the shock absorption plate, the square frame plate is arranged on the outer wall of the shock absorption plate, and the top of the square frame plate is connected with the outer box.

Furthermore, the bottom of the damping plate is provided with an anti-slip pad.

The utility model has the advantages that:

1. the device is conveniently got to treat equipment and is put to this whistle box, have better sealed and noise cancelling effect, and have certain shock attenuation effect, thereby guarantee detection effect.

2. Through setting up the inclined plane board, can strengthen the stability of placing the board, through setting up first cardboard and second cardboard, conveniently install and remove the system with the inner box, through setting up the slipmat, can strengthen the stability that the whistle box was placed, the practicality is strong.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

Fig. 1 is a schematic view of an internal structure of an outer box of a sound muffling box for electroacoustic detection of the present invention;

fig. 2 is a schematic view of the overall structure of a sound muffling box for electroacoustic detection according to the present invention;

fig. 3 is a schematic view of the internal structure of the muffling box for electroacoustic detection of the present invention;

fig. 4 is a schematic view of an internal structure of a sound muffling box for electroacoustic detection according to the present invention;

fig. 5 is a schematic view of a rear side structure of a box door of the sound muffling box for electroacoustic detection according to the present invention;

fig. 6 is a schematic view of a placement component of the sound muffling box for electroacoustic detection of the present invention;

reference numbers in the figures: 1. an outer box; 2. an inner box; 3. a chamber; 4. a first sound-absorbing panel; 5. a box door; 6. a first fixed block; 7. a fixing bolt; 8. a second fixed block; 9. a second sound-absorbing panel; 10. a third sound-absorbing panel; 11. a sound absorption hole; 12. a first clamping plate; 13. a second clamping plate; 14. placing the plate; 15. a splint; 16. a clamping groove; 17. an inclined plane plate; 18. sound-absorbing cotton; 19. a damper plate; 20. a damper; 21. a square frame plate; 22. a non-slip mat.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a sound-absorbing box for electroacoustic detection comprises an outer box 1 and an inner box 2, wherein the inner box 2 is arranged in the outer box 1, a cavity 3 is formed between the inner box 2 and the outer box 1, sound-absorbing cotton 18 is filled in the cavity 3, the outer box 1 is connected with the inner box 2 through a fixing component, a first sound-absorbing plate 4 is arranged on the inner wall of the inner box 2, a placing component is arranged in the inner cavity of the inner box 2, a box door 5 is arranged on the front side of the outer box 1, first fixing blocks 6 are symmetrically arranged on two sides of the box door 5, fixing bolts 7 are arranged on the front side of the first fixing blocks 6, second fixing blocks 8 are symmetrically arranged on two sides of the outer box 1, the tail ends of the fixing bolts 7 penetrate through the first fixing blocks 6 to be in threaded connection with the second fixing blocks 8, a second sound-absorbing plate 9 and a third sound-absorbing plate 10 are arranged on the rear side of the box door 5, the second sound-absorbing plate 9 is arranged between the third sound-absorbing

plates

10, 4 inner walls of first abatvoix, 9 rear sides of second abatvoix and third abatvoix 10 inner walls all are provided with sound-absorbing hole 11, the outer wall of second abatvoix 9 is laminated with 4 inner walls of first abatvoix mutually, third abatvoix 10 is located

cavity

3, 1 bottom of outer container is provided with damper.

Specifically, as shown in fig. 3 and 4, the fixing component includes a first clamping plate 12 and a second clamping plate 13, the first clamping plate 12 is disposed around the inner wall of the outer box 1, the second clamping plate 13 is symmetrically disposed on two sides of the first clamping plate 12, the second clamping plate 13 is connected to the inner box 2, the front ends of the first clamping plate 12 and the second clamping plate 13 are attached to the third sound-absorbing plate 10, and the outer box 1 and the inner box 2 are fixedly connected to each other.

Specifically, as shown in fig. 4 and 6, the placing assembly comprises a placing plate 14, a clamping plate 15 and a clamping groove 16, the placing plate 14 is arranged in an inner cavity of the inner box 2, the clamping plate 15 is symmetrically arranged on two sides of the placing plate 14 respectively, one end, far away from the placing plate 14, of the clamping plate 15 penetrates through the first sound absorbing plate 4 and is connected with the inner wall of the inner box 2, the clamping groove 16 is arranged on one side, opposite to the placing plate 14, of the clamping plate 15, two sides of the placing plate 14 are arranged in the clamping groove 16, an inclined plane plate 17 is arranged on one side of the clamping plate 15, the inclined plane plate 17 is symmetrically arranged on two sides of the clamping groove 16, and the inclined plane plate 17 is attached to the placing plate 14, so that the equipment to be placed and taken out and placed is convenient.

Specifically, as shown in fig. 4, the shock absorption assembly includes a shock absorption plate 19, a damper 20 and a square frame plate 21, the shock absorption plate 19 is disposed below the outer box 1, the damper 20 is arranged on the top of the shock absorption plate 19 in an array manner, the upper end and the lower end of the damper 20 are respectively connected with the outer box 1 and the shock absorption plate 19, the square frame plate 21 is disposed on the outer wall of the shock absorption plate 19, the top of the square frame plate 21 is connected with the outer box 1, and a non-slip mat 22 is disposed at the bottom of the shock absorption plate 19 to provide a certain shock absorption effect for the sound muffling box.

The utility model discloses the theory of operation: through first cardboard 12 and second cardboard 13, set up inner box 2 in outer container 1, and pack in cavity 3 that forms between outer container 1 and inner box 2 and inhale sound cotton 18, place the equipment that awaits measuring at placing board 14 top, operate placing board 14, make and place board 14 both ends and be in pressing from both sides the groove 16, make chamber door 5 be in outer container 1 front side, make second abatvoix 9 be in between first abatvoix 4 simultaneously, third abatvoix 10 is in cavity 3, use gim peg 7, it is fixed to be connected between first fixed block 6 and the second fixed block 8, thereby be connected between chamber door 5 and outer container 1, examine time measuring, through inhaling sound hole 11 and inhaling sound cotton 18, the sound absorption effect of assurance whistle box that can be better, and through damper, can cushion the outer container, guarantee the detection effect, therefore, the clothes hanger is strong in practicability.

The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.

Claims

1. The utility model provides an electroacoustic detects and uses whistle box, includes outer container (1) and inner box (2), its characterized in that: the inner box (2) is arranged in the outer box (1), a cavity (3) is formed between the inner box (2) and the outer box (1), the outer box (1) is connected with the inner box (2) through a fixing component, a first sound-absorbing plate (4) is arranged on the inner wall of the inner box (2), a placing component is arranged in the inner cavity of the inner box (2), a box door (5) is arranged on the front side of the outer box (1), first fixing blocks (6) are symmetrically arranged on the two sides of the box door (5), fixing bolts (7) are arranged on the front side of the first fixing blocks (6), second fixing blocks (8) are symmetrically arranged on the two sides of the outer box (1), the tail ends of the fixing bolts (7) penetrate through the first fixing blocks (6) and are in threaded connection with the second fixing blocks (8), a second sound-absorbing plate (9) and a third sound-absorbing plate (10) are arranged on the rear side of the box door (5), and the second sound-absorbing plate (9) is arranged between the third sound-absorbing plates (10), first abatvoix (4) inner wall, second abatvoix (9) rear side and third abatvoix (10) inner wall all are provided with sound absorbing hole (11), second abatvoix (9) outer wall laminates with first abatvoix (4) inner wall mutually, third abatvoix (10) are in cavity (3), outer container (1) bottom is provided with damper.

2. The anechoic box for electroacoustic detection of claim 1, wherein: the fixed component comprises a first clamping plate (12) and a second clamping plate (13), the first clamping plate (12) is arranged on the periphery of the inner wall of the outer box (1), the second clamping plate (13) is symmetrically arranged on two sides of the first clamping plate (12), the second clamping plate (13) is connected with the inner box (2), and the front ends of the first clamping plate (12) and the second clamping plate (13) are attached to the third sound-absorbing plate (10).

3. The anechoic box for electroacoustic detection of claim 2, wherein: the placing assembly comprises a placing plate (14), a clamping plate (15) and a clamping groove (16), the placing plate (14) is arranged in an inner cavity of the inner box (2), the clamping plate (15) is symmetrically arranged on two sides of the placing plate (14) respectively, one end, far away from the placing plate (14), of the clamping plate (15) penetrates through the first sound absorbing plate (4) and is connected with the inner wall of the inner box (2), the clamping groove (16) is formed in one side, opposite to the placing plate (14), of the clamping plate (15), and two sides of the placing plate (14) are arranged in the clamping groove (16).

4. The anechoic box for electroacoustic detection of claim 3, wherein: splint (15) one side is provided with inclined plane board (17), just inclined plane board (17) symmetry sets up in pressing from both sides groove (16) both sides, inclined plane board (17) laminate mutually with placing board (14).

5. The anechoic box for electroacoustic detection of claim 4, wherein: the cavity (3) is filled with sound-absorbing cotton (18).

6. The anechoic box for electroacoustic detection of claim 5, wherein: the shock absorption assembly comprises a shock absorption plate (19), a damper (20) and a square frame plate (21), the shock absorption plate (19) is arranged below the outer box (1), the damper (20) is arranged at the top of the shock absorption plate (19) in an array mode, the upper end and the lower end of the damper (20) are connected with the outer box (1) and the shock absorption plate (19) respectively, the square frame plate (21) is arranged on the outer wall of the shock absorption plate (19), and the top of the square frame plate (21) is connected with the outer box (1).

7. The anechoic box for electroacoustic detection of claim 6, wherein: and the bottom of the damping plate (19) is provided with an anti-skid pad (22).