CN220798550U - Audio test shielding box - Google Patents
Audio test shielding box Download PDFInfo
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- CN220798550U CN220798550U CN202322520968.4U CN202322520968U CN220798550U CN 220798550 U CN220798550 U CN 220798550U CN 202322520968 U CN202322520968 U CN 202322520968U CN 220798550 U CN220798550 U CN 220798550U
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- 238000012360 testing method Methods 0.000 title claims abstract description 46
- 230000005540 biological transmission Effects 0.000 claims description 23
- 230000001681 protective effect Effects 0.000 claims description 15
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of acoustic testing, in particular to an audio test shielding box; including box, the lead screw, two guide posts, electronic product loading platform, microphone and fixed establishment, fixed establishment includes two rotation rings, two rotation subassemblies, two threaded rods, two grip blocks and two spacing posts, place the electronic product that waits to test on bearing the base, make the electronic product be located between two grip blocks after, start rotation subassembly, drive rotation ring through drive gear and rotate on the curb plate, because the inside threaded connection of rotation ring has the threaded rod, make the threaded rod precess in the inside of rotation ring, and under the cooperation of bearing and spacing post, drive the direction translation of grip block to electronic product, thereby utilize two grip blocks to firmly clamp electronic product on bearing the base, adopt above-mentioned structure, with the electronic product that awaits measuring of equidimension, more firmly fix on electronic product loading platform.
Description
Technical Field
The utility model relates to the technical field of acoustic testing, in particular to an audio test shielding box.
Background
The acoustic index test of electronic products is to detect the noise generated by the electronic products during operation, the product test mode is mainly to place the products in the box, an iron rod is placed in the box, a microphone is fixed on the iron rod, then acoustic test equipment is connected through the microphone to conduct audio analysis on the products, and the distance between the microphone and the tested products needs to be adjusted on the iron rod for different tested products due to different test distances between different tested products, so that the distance between the microphone and the tested products cannot be accurately mastered, and the test is inaccurate.
In order to solve the above problems, the prior art laid-open patent (CN 216524360U) discloses an audio test shielding box, which comprises a box body, a screw rod, an electronic product bearing platform, a microphone and a closed door, the front end of the box body is provided with a test cavity, the inner wall of the test cavity is provided with guide posts symmetrical to each other, the screw rod penetrates from the outer wall of the box body to the test cavity and is positioned between the two guide posts, the electronic product bearing platform comprises a bearing seat body, the side wall of the bearing seat body is provided with a traditional threaded hole and guide grooves distributed on two sides of the threaded hole, the threaded hole is meshed with the outer wall of the screw rod, the guide grooves are sleeved on the guide posts in a one-to-one correspondence manner, the microphone is fixed on the inner wall of the test cavity and is connected with acoustic test equipment outside the box body, and the closed door is connected with a front end frame of the box body in a rotating manner, so that the test cavity is opened or closed.
But the structure of the electronic product bearing platform in the existing audio test shielding box is simpler, and the fixing effect on the electronic product is poorer.
Disclosure of utility model
The utility model aims to provide an audio test shielding box, which aims to solve the technical problems that an electronic product bearing platform in the existing audio test shielding box is simpler in structure and poor in fixing effect on electronic products.
In order to achieve the above purpose, the utility model provides an audio test shielding box, which comprises a box body, a screw rod, two guide posts, an electronic product bearing platform, a microphone and a fixing mechanism, wherein the two guide posts which are symmetrical to each other are arranged in the box body;
The fixing mechanism comprises two rotating rings, two rotating assemblies, two threaded rods, two clamping plates and two limiting columns, the electronic product bearing platform comprises a bearing base and two side plates, the bearing base is provided with threaded holes and guide holes, the two sides of the upper surface of the bearing base are respectively provided with the side plates, each side plate is respectively connected with the rotating rings in a rotating mode, the threaded rods are connected with the threaded rods in an internal threaded mode, each threaded rod is located at one end of the upper surface of the bearing base and is connected to the clamping plates in a rotating mode through bearings, each limiting column penetrates through the corresponding side plate, the outer side of each side plate is provided with the rotating assembly, each rotating ring is respectively provided with a transmission gear, and each rotating assembly is mechanically driven with the transmission gear.
Each rotating assembly comprises a driving motor and an output gear, the driving motor is mounted on the outer side of the side plate, the output end of the driving motor is provided with the output gear, and the output gear is meshed with the transmission gear.
And two limiting rings are arranged outside each rotating ring and are respectively positioned on two sides of the corresponding side plate.
Wherein, every the grip block is kept away from the one side of corresponding curb plate all is provided with flexible pad.
The audio test shielding box further comprises two protective shells, each protective shell is arranged on the outer side of each side plate, and the protective shells are covered on the rotating assembly and the corresponding transmission gear.
Each protection shell comprises a shell body and a fixing plate, the shell body covers the rotating assembly and the corresponding transmission gear, the fixing plate is arranged at one end, close to the corresponding side plate, of the shell body, and the fixing plate is connected with the side plate in a detachable mode.
According to the audio test shielding box disclosed by the utility model, electronic products to be tested with different sizes are placed on the bearing base, so that after the electronic products are positioned between the two clamping plates, the rotating assembly is started, the rotating ring is driven to rotate on the side plate through the transmission gear, and as the threaded rod is connected with the internal thread of the rotating ring, the threaded rod is screwed in the rotating ring, and then the clamping plates are driven to translate towards the direction of the electronic products under the cooperation of the bearing and the limiting column, so that the electronic products are firmly clamped on the bearing base by the two clamping plates.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of an audio test mask box according to a first embodiment of the present utility model.
Fig. 2 is a schematic structural diagram of an electronic product carrying platform according to a first embodiment of the present utility model.
Fig. 3 is an enlarged view of a partial structure at a of fig. 2 provided by the present utility model.
Fig. 4 is a schematic structural diagram of an electronic product carrying platform according to a second embodiment of the present utility model.
101-Box, 102-lead screw, 103-guide post, 104-electronic product bearing platform, 105-microphone, 106-rotating ring, 107-rotating component, 108-threaded rod, 109-clamping plate, 110-spacing post, 111-driving motor, 112-output gear, 113-threaded hole, 114-guide hole, 115-bearing base, 116-side plate, 117-bearing, 118-transmission gear, 119-spacing ring, 120-flexible pad, 201-protective shell, 202-shell, 203-fixed plate.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
First embodiment:
Referring to fig. 1 to 3, fig. 1 is a schematic structural diagram of an audio test shielding box according to a first embodiment, fig. 2 is a schematic structural diagram of an electronic product carrying platform according to the first embodiment, and fig. 3 is a partial enlarged structural diagram of a portion a in fig. 2.
The utility model provides an audio test shielding box, which comprises: the electronic product comprises a box body 101, a screw rod 102, two guide posts 103, an electronic product bearing platform 104, a microphone 105 and a fixing mechanism, wherein the fixing mechanism comprises two rotating rings 106, two rotating assemblies 107, two threaded rods 108, two clamping plates 109 and two limit posts 110, and each rotating assembly 107 comprises a driving motor 111 and an output gear 112. The problem that the electronic product bearing platform 104 in the existing audio test shielding box is simpler in structure and poorer in fixing effect on electronic products is solved through the scheme, and it can be understood that the scheme can be used on the structure of the audio test shielding box.
For this embodiment, two mutually symmetrical guide posts 103 are arranged in the box 101, the box 101 is further provided with a screw rod 102 in a penetrating manner, the screw rod 102 is located between the two guide posts 103, a threaded hole 113 is arranged on the electronic product bearing platform 104, the threaded hole 113 is matched with the screw rod 102, two guide holes 114 are further arranged on the electronic product bearing platform 104, the guide holes 114 are matched with the guide posts 103, a microphone 105 is fixedly arranged on the inner side wall of the box 101, the microphone 105 is connected with external acoustic testing equipment, and the screw rod rotates relative to the box 101 to drive the electronic product bearing platform 104 to slide in a direction close to or far away from the microphone 105, so that the testing distance between an electronic product placed on the electronic product bearing platform 104 and the microphone 105 is adjusted, and the testing is more accurate.
The electronic product carrying platform 104 comprises a carrying base 115 and two side plates 116, the carrying base 115 is provided with threaded holes 113 and guide holes 114, the side plates 116 are arranged on two sides of the upper surface of the carrying base 115, each side plate 116 is rotatably connected with the rotating ring 106, the threaded rod 108 is connected with the inside threads of the rotating ring 106, one end of each threaded rod 108, which is positioned on the upper surface of the carrying base 115, is rotatably connected to the clamping plate 109 through a bearing 117, one surface, close to the corresponding side plate 116, of each clamping plate 109 is provided with a limiting post 110, the limiting post 110 penetrates through the side plates 116, the outer side of each side plate 116 is provided with a rotating assembly 107, the outer part of each rotating ring 106 is provided with a transmission gear 118, the rotating assembly 107 and the transmission gear 118 are mechanically driven, electronic products to be tested in different sizes are placed on the carrying base 115, the electronic products are positioned between the two clamping plates, the electronic products are rotatably connected to the clamping plates 109 through bearings 117, the threaded rod 108 is driven by the rotating assembly 107 and the threaded rod 108, the threaded rod is further firmly connected to the inner sides of the rotating ring 106 through the threaded rod 109, and the threaded rod 108 is further firmly connected to the threaded rod 109 by the threaded rod 109, and is more firmly fixed on the electronic product bearing platform 104.
Secondly, the driving motor 111 is mounted on the outer side of the side plate 116, the output end of the driving motor 111 is provided with the output gear 112, the output gear 112 is meshed with the transmission gear 118, the driving motor 111 is started to drive the output gear 112 to rotate, and the output gear 112 is meshed with the transmission gear 118 to drive the rotating ring 106 to rotate on the side plate 116.
Simultaneously, the outside of every swivel becket 106 still is provided with two spacing rings 119, and two spacing rings 119 are located respectively the two sides of corresponding curb plate 116, through two the setting of spacing ring 119 for swivel becket 106 is in when rotating on the curb plate 116, the structure is more stable.
In addition, a flexible pad 120 is disposed on a surface of each clamping plate 109 away from the corresponding side plate 116, and the clamping plates 109 are prevented from directly contacting with the electronic product to damage the electronic product by the arrangement of the flexible pads 120.
When the audio test shielding box of the embodiment is used, the screw rod is rotated relative to the box body 101 to drive the electronic product bearing platform 104 to slide in a direction close to or far away from the microphone 105, the test distance between the electronic product placed on the electronic product bearing platform 104 and the microphone 105 is adjusted, so that the test is more accurate, the electronic product to be tested with different sizes is placed on the bearing base 115, after the electronic product is positioned between the two clamping plates 109, the rotating assembly 107 is started, the rotating ring 106 is driven to rotate on the side plate 116 through the transmission gear 118, and the threaded rod 108 is screwed in the rotating ring 106 due to the fact that the threaded rod 108 is screwed in the rotating ring 106, and then the clamping plates 109 are driven to translate in the direction of the electronic product under the cooperation of the bearing 117 and the limiting column 110, so that the electronic product is firmly clamped on the bearing base 115 by the two clamping plates 109, and the electronic product with different sizes is more firmly fixed on the electronic product 104.
Second embodiment:
On the basis of the first embodiment, please refer to fig. 4, fig. 4 is a schematic structural diagram of an electronic product carrying platform in the second embodiment.
The utility model provides an audio test shielding box further comprising two protective shells 201, wherein each protective shell 201 comprises a shell 202 and a fixing plate 203.
For this embodiment, each of the outer sides of the side plates 116 is provided with a protective case 201, and the protective case 201 is covered on the outer sides of the rotating assembly 107 and the corresponding transmission gear 118, so that the rotating assembly 107 and the transmission gear 118 are protected by the protective case 201, and the influence of the external environment on the meshing position of the output gear 112 and the transmission gear 118 is avoided.
Wherein, the casing 202 covers the rotation assembly 107 and the corresponding transmission gear 118, one end of the casing 202, which is close to the corresponding side plate 116, is provided with the fixing plate 203, the fixing plate 203 is detachably connected with the side plate 116, and after the casing 202 covers the rotation assembly 107 and the transmission gear 118, the fixing plate 203 is fixed on the corresponding side plate 116 by using screws, thereby completing the installation of the protective shell 201.
When the audio test shielding box of the embodiment is used, the shell 202 is covered outside the rotating assembly 107 and the transmission gear 118, and then the fixing plate 203 is fixed on the corresponding side plate 116 by using screws, so that the installation of the protective shell 201 is completed, the rotating assembly 107 and the transmission gear 118 are protected by the protective shell 201, and the influence of the external environment on the meshing position of the output gear 112 and the transmission gear 118 is avoided.
The above disclosure is only a preferred embodiment of the present utility model, and it should be understood that the scope of the utility model is not limited thereto, and those skilled in the art will appreciate that all or part of the procedures described above can be performed according to the equivalent changes of the claims, and still fall within the scope of the present utility model.
Claims (6)
1. The utility model provides an audio test shielding box, includes box, lead screw, two guide posts, electronic product loading platform and microphone, the inside of box is provided with two of mutual symmetry the guide post, still run through on the box and be provided with the lead screw, the lead screw is located two between the guide post, be provided with the screw hole on the electronic product loading platform, the screw hole with lead screw looks adaptation, still be provided with two guiding holes on the electronic product loading platform, the guiding hole with guide post looks adaptation, fixedly provided with on the inside wall of box the microphone, the microphone links to each other with outside acoustic test equipment, its characterized in that,
The device also comprises a fixing mechanism;
The fixing mechanism comprises two rotating rings, two rotating assemblies, two threaded rods, two clamping plates and two limiting columns, the electronic product bearing platform comprises a bearing base and two side plates, the bearing base is provided with threaded holes and guide holes, the two sides of the upper surface of the bearing base are respectively provided with the side plates, each side plate is respectively connected with the rotating rings in a rotating mode, the threaded rods are connected with the threaded rods in an internal threaded mode, each threaded rod is located at one end of the upper surface of the bearing base and is connected to the clamping plates in a rotating mode through bearings, each limiting column penetrates through the corresponding side plate, the outer side of each side plate is provided with the rotating assembly, each rotating ring is respectively provided with a transmission gear, and each rotating assembly is mechanically driven with the transmission gear.
2. The audio test mask box of claim 1,
Each rotating assembly comprises a driving motor and an output gear, the driving motor is installed on the outer side of the side plate, the output end of the driving motor is provided with the output gear, and the output gear is meshed with the transmission gear.
3. The audio test mask box of claim 1,
Two limiting rings are arranged outside each rotating ring, and the two limiting rings are respectively positioned on two sides of the corresponding side plate.
4. The audio test mask box of claim 3,
And one surface of each clamping plate, which is far away from the corresponding side plate, is provided with a flexible pad.
5. The audio test mask box of claim 2,
The audio test shielding box further comprises two protective shells, each protective shell is arranged on the outer side of each side plate, and the protective shells are covered on the rotating assembly and the corresponding transmission gear.
6. The audio test mask box of claim 5,
Each protective housing all includes casing and fixed plate, the casing cover is established rotating assembly and corresponding the outside of drive gear, the casing is close to corresponding the one end of curb plate is provided with the fixed plate, the fixed plate with the curb plate dismantles and is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322520968.4U CN220798550U (en) | 2023-09-15 | 2023-09-15 | Audio test shielding box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322520968.4U CN220798550U (en) | 2023-09-15 | 2023-09-15 | Audio test shielding box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220798550U true CN220798550U (en) | 2024-04-16 |
Family
ID=90659362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322520968.4U Active CN220798550U (en) | 2023-09-15 | 2023-09-15 | Audio test shielding box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220798550U (en) |
-
2023
- 2023-09-15 CN CN202322520968.4U patent/CN220798550U/en active Active
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