Acoustic test noise shielding box

Abstract

The utility model discloses an acoustic test noise shielding box, which comprises a box body, a box door rotatably mounted on the surface of the box body through hinges, a flash lamp mounted on one side of the top end of the box body, a base arranged at the bottom of the box body, a sound insulation gasket arranged on the inner wall of the box body, a guide rail arranged at the top end of the base, and a rail seat slidably connected to one side of the top of the guide rail. A linkage plate is arranged at the top end of the rail seat, a linkage seat is arranged on one side of the top end of the linkage plate, a bearing plate is arranged at the top end of the linkage seat, a base is arranged in the center of the top end of the bearing plate, side supporting frames are arranged on the two sides of the top end of the base, and a top seat is arranged at the top end of each side supporting frame. And one end of the first telescopic driving piece is connected with the outer wall of the linkage seat. According to the utility model, not only is the convenience of the shielding box in use improved, but also the test efficiency of the shielding box on products in use is improved, and the shielding effect of the shielding box on a sound source in use is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of acoustic test shielding boxes, in particular to an acoustic test noise shielding box. Background Art

[0002] Currently, the acoustic test shielding box is specially designed to provide a stable test environment with a noise floor as low as 20dBA for the performance testing of acoustic products. The size of the shielding box can be changed according to different application requirements.

[0003] Reference publication number CN210225755U is an acoustic test shielding box, which includes a box body and an inner liner installed in the box body, the box body is provided with a through hole connecting the interior of the inner liner and the outside of the box body, and the box body is provided with a box door for closing the through hole; the inner wall of the inner liner is provided with a sound insulation component, the sound insulation component includes a stacked damping layer, at least one sound absorbing layer and at least one sound insulation layer. This acoustic test shielding box improves the shock absorption and noise reduction performance of the acoustic test shielding box, improves the accuracy of acoustic detection results, and increases the fatigue life of the box body. According to the above, although the shielding box can be well applied, it is usually not convenient for automated placement and retrieval of products, and personnel need to manually perform related operations in the box, which affects the convenience of using the shielding box. In addition, it is not convenient to perform multi-station control and testing of products in sequence, which affects the testing efficiency of the products and often bothers users. Utility Model Content

[0004] The purpose of the utility model is to provide an acoustic test noise shielding box to solve the problem proposed in the above background technology that although the shielding box can be well applied, it is usually not convenient to automatically place and take out the product, and personnel need to manually perform related operations in the box, which affects the convenience of using the shielding box. In addition, it is not convenient to perform multi-station control testing on the product in sequence, which affects the product testing efficiency.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an acoustic test noise shielding box, comprising a box body, a box door is installed on the surface of the box body by rotating through hinges, a flash light is installed on one side of the top of the box body, a base is provided at the bottom of the box body, a sound insulation gasket is provided on the inner wall of the box body, a guide rail is provided at the top of the base, a rail seat is slidably connected to one side of the top of the guide rail, a linkage plate is provided at the top of the rail seat, a linkage seat is provided on one side of the top of the linkage plate, a bearing plate is provided at the top of the linkage seat, a base is provided at the center position of the top of the bearing plate, side support frames are provided on both sides of the top of the base, and a top seat is provided at the top of the side support frames.

[0006] Preferably, a first telescopic driving member is installed on one side of the top of the base through a bracket, and one end of the first telescopic driving member is connected to the outer wall of the linkage seat. The first telescopic driving member is arranged to drive the linkage seat to translate.

[0007] Preferably, a second telescopic driving member is installed on one side of the bottom end of the top seat through a bracket, and a rack is provided at one end of the second telescopic driving member, so that the rack can be driven to translate through the setting of the second telescopic driving member.

[0008] Preferably, a turntable is arranged above the top seat, and equally spaced component placement seats are arranged at the edge of the top of the turntable, so that products can be placed and processed.

[0009] Preferably, the sound insulation gasket comprises an outer polyurethane foam plastic layer, a sound insulation sponge base layer and an inner sound insulation felt layer; a sound insulation sponge base layer is arranged at the center position inside the sound insulation gasket, an outer polyurethane foam plastic layer is arranged on the outer wall of the sound insulation sponge base layer, and an inner sound insulation felt layer is arranged on the inner wall of the sound insulation sponge base layer; a sound insulation gasket is formed by combining the outer polyurethane foam plastic layer, the sound insulation sponge base layer and the inner sound insulation felt layer to improve the sound insulation performance of the shielding box.

[0010] Preferably, a gear is provided on one side of the rack, the gear and the rack are meshed with each other, a vertical shaft is provided at the center position of the top of the gear, the top of the vertical shaft passes through the top seat and is fixedly connected to the bottom end of the turntable, and the vertical shaft is provided so that when the gear rotates, the turntable is driven to rotate via the vertical shaft.

[0011] Compared with the prior art, the utility model has the following beneficial effects: the acoustic test noise shielding box not only improves the convenience of using the shielding box, but also improves the testing efficiency of the product when the shielding box is used, and ensures the shielding effect of the shielding box on the sound source when it is used;

[0012] (1) The linkage seat is driven to translate by the first telescopic driving member, so that the linkage seat drives the carrying plate to translate synchronously, so as to move the turntable to the outside of the box body, so that the product can be placed on the top of the placement seat outside the box body, or the product can be removed from the top of the placement seat outside the box body, so as to assist in the automatic placement and retrieval of the product, thereby improving the convenience of using the shielding box;

[0013] (2) The rack is driven to translate by the second telescopic driving member, so that the rack drives the gear to rotate, and the gear drives the turntable to rotate via the vertical shaft. Since there are four groups of component mounts, the products at the top of the component mounts can be tested in turn at multiple stations, thereby improving the testing efficiency of the products when the shielding box is used;

[0014] (3) A sound insulation gasket is formed by combining an outer polyurethane foam plastic layer, a sound insulation sponge base layer and an inner sound insulation felt layer, and the sound insulation gasket is set on the inner wall of the box. When the product is located inside the box for testing, the sound insulation gasket can isolate and weaken the sound source, thereby ensuring the shielding effect of the shielding box on the sound source when it is used. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a three-dimensional structural schematic diagram of the utility model from a top view;

[0016] Figure 2 It is a schematic diagram of the side cross-sectional structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the top view of the base structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the top seat structure of the utility model when viewed from above;

[0019] Figure 5 It is a schematic diagram of the partial cross-sectional structure of the sound insulation gasket of the utility model.

[0020] In the figure: 1. box body; 2. box door; 3. flashlight; 4. base; 5. guide rail; 6. rail seat; 7. linkage plate; 8. first telescopic driving member; 9. linkage seat; 10. bearing plate; 11. base; 12. top seat; 13. turntable; 14. mounting seat; 15. sound insulation gasket; 1501. outer polyurethane foam plastic layer; 1502. sound insulation sponge base layer; 1503. inner sound insulation felt layer; 16. side support frame; 17. second telescopic driving member; 18. rack; 19. gear; 20. vertical shaft. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-5 The utility model provides an embodiment: an acoustic test noise shielding box, comprising a box body 1, a box door 2 is installed on the surface of the box body 1 through hinge rotation, a flash lamp 3 is installed on one side of the top of the box body 1, a base 4 is arranged at the bottom of the box body 1, a first telescopic driving member 8 is installed on one side of the top of the base 4 through a bracket, and one end of the first telescopic driving member 8 is connected to the outer wall of the linkage seat 9;

[0023] When in use, the first telescopic driving member 8 is arranged to drive the linkage seat 9 to translate;

[0024] A sound insulation gasket 15 is arranged on the inner wall of the box body 1, and the sound insulation gasket 15 comprises an outer polyurethane foam plastic layer 1501, a sound insulation sponge base layer 1502 and an inner sound insulation felt layer 1503. A sound insulation sponge base layer 1502 is arranged at the center of the sound insulation gasket 15, an outer polyurethane foam plastic layer 1501 is arranged on the outer wall of the sound insulation sponge base layer 1502, and an inner sound insulation felt layer 1503 is arranged on the inner wall of the sound insulation sponge base layer 1502;

[0025] When in use, the sound insulation gasket 15 is formed by combining the outer polyurethane foam plastic layer 1501, the sound insulation sponge base layer 1502 and the inner sound insulation felt layer 1503 to improve the sound insulation performance of the shielding box;

[0026] A guide rail 5 is provided at the top of the base 4, a rail seat 6 is slidably connected to one side of the top of the guide rail 5, a linkage plate 7 is provided at the top of the rail seat 6, a linkage seat 9 is provided at one side of the top of the linkage plate 7, a bearing plate 10 is provided at the top of the linkage seat 9, a base 11 is provided at the center of the top of the bearing plate 10, side support frames 16 are provided on both sides of the top of the base 11, a top seat 12 is provided at the top of the side support frame 16, a second telescopic driving member 17 is installed on one side of the bottom end of the top seat 12 through a bracket, and a rack 18 is provided at one end of the second telescopic driving member 17;

[0027] When in use, the second telescopic driving member 17 is arranged to drive the rack 18 to translate;

[0028] A gear 19 is disposed on one side of the rack 18, the gear 19 and the rack 18 are meshed with each other, a vertical shaft 20 is disposed at the center position of the top of the gear 19, the top of the vertical shaft 20 passes through the top seat 12 and is fixedly connected to the bottom end of the turntable 13;

[0029] When in use, the vertical shaft 20 is arranged so that when the gear 19 rotates, the rotating disk 13 is driven to rotate via the vertical shaft 20;

[0030] A turntable 13 is disposed above the top seat 12, and equally spaced component placement seats 14 are disposed at the edge of the top of the turntable 13;

[0031] When in use, the product can be placed by setting the component placement seat 14.

[0032] When the embodiment of the present application is in use, the linkage seat 9 is first driven by the first telescopic driving member 8 to translate, so that the linkage seat 9 drives the rail seat 6 to slide at the top of the guide rail 5 through the linkage plate 7, so that the linkage seat 9 drives the carrier plate 10 to move horizontally smoothly, so as to transfer the turntable 13 to the outside of the box body 1, that is, the product can be placed on the top of the placement seat 14 outside the box body 1, or the product on the top of the placement seat 14 can be removed outside the box body 1 to assist in the automatic placement and retrieval of the product, and then the rack 18 is driven by the second telescopic driving member 17 to translate, because the rack 18 and the gear 19 are meshed with each other, so that the rack 18 drives the gear 19 to rotate, and the gear 19 is rotated. The turntable 13 is driven to rotate by the vertical shaft 20. Since there are four sets of component seats 14, the products on the top of the component seats 14 can be tested in turn at multiple stations. The product testing method is the existing technology, so it is not described in detail. It is only necessary to transfer the product to the box body 1 to provide a closed environment for testing the product. Finally, the sound insulation gasket 15 is formed by combining the outer polyurethane foam plastic layer 1501, the sound insulation sponge base layer 1502 and the inner sound insulation felt layer 1503, and the sound insulation gasket 15 is set on the inner wall of the box body 1. When the product is located inside the box body 1 for testing, the sound insulation gasket 15 can isolate and weaken the sound source, thereby completing the use of the shielding box.

Claims

1. An acoustic test noise shielding box, characterized in that: The invention comprises a box body (1), a box door (2) is rotatably mounted on the surface of the box body (1) by means of hinges, a flashlight (3) is mounted on one side of the top of the box body (1), a base (4) is arranged at the bottom of the box body (1), a sound insulation gasket (15) is arranged on the inner wall of the box body (1), a guide rail (5) is arranged at the top of the base (4), a rail seat (6) is slidably connected to one side of the top of the guide rail (5), a linkage plate (7) is arranged at the top of the rail seat (6), a linkage seat (9) is arranged at one side of the top of the linkage plate (7), a bearing plate (10) is arranged at the top of the linkage seat (9), a base (11) is arranged at the center position of the top of the bearing plate (10), side support frames (16) are arranged on both sides of the top of the base (11), and a top seat (12) is arranged at the top of the side support frame (16).

2. The acoustic test noise shielding box according to claim 1, characterized in that: A first telescopic driving member (8) is installed on one side of the top end of the base (4) via a bracket, and one end of the first telescopic driving member (8) is connected to the outer wall of the linkage seat (9).

3. The acoustic test noise shielding box according to claim 1, characterized in that: A second telescopic driving member (17) is installed on one side of the bottom end of the top seat (12) via a bracket, and a rack (18) is provided at one end of the second telescopic driving member (17).

4. The acoustic test noise shielding box according to claim 1, characterized in that: A rotating disk (13) is arranged above the top seat (12), and equally spaced component placement seats (14) are arranged at the edge of the top end of the rotating disk (13).

5. The acoustic test noise shielding box according to claim 1, characterized in that: The sound insulation gasket (15) comprises an outer polyurethane foam plastic layer (1501), a sound insulation sponge base layer (1502) and an inner sound insulation felt layer (1503); a sound insulation sponge base layer (1502) is arranged at the center position inside the sound insulation gasket (15), an outer polyurethane foam plastic layer (1501) is arranged on the outer wall of the sound insulation sponge base layer (1502), and an inner sound insulation felt layer (1503) is arranged on the inner wall of the sound insulation sponge base layer (1502).

6. The acoustic test noise shielding box according to claim 3, characterized in that: A gear (19) is provided on one side of the rack (18), the gear (19) and the rack (18) are meshed with each other, a vertical shaft (20) is provided at the center position of the top of the gear (19), the top of the vertical shaft (20) passes through the top seat (12) and is fixedly connected to the bottom end of the turntable (13).

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