Spoken language sound collecting device with dustproof function

Abstract

The utility model relates to a spoken language sound receiving equipment with dustproof function, including the casing of spoken language sound receiving equipment, is equipped with the pickup hole on the casing, is equipped with the dust screen in the casing, and the dust screen covers the pickup hole, is equipped with the dust cover on the casing, and the dust cover is located on the casing, is equipped with a plurality of through -hole on the dust cover, and the movement track of through -hole and the movement track of pickup hole intersect, the utility model discloses a dust cover rotates on the casing, through the through -hole and the pickup hole overlap or stagger, to open or close the pickup hole, and then prevent dust through the pickup hole and enter the spoken language sound receiving equipment in the idle state, simple and efficient, safe and reliable.

Description

Technical Field

[0001] This utility model relates to the field of radio equipment technology, and in particular to a speech radio equipment with dustproof function. Background Technology

[0002] Oral audio recording devices are commonly used for oral proficiency tests. By recording the candidates' spoken language through these devices, teachers can easily grade the test later, greatly improving the efficiency of the oral proficiency test. The microphone of the recording device has a pickup hole that connects the inside and outside of the device. Although a dustproof screen is usually installed inside the recording device to cover the pickup hole, it is still difficult to prevent dust and other impurities from entering the recording device. Moreover, oral audio recording devices are mostly idle. Therefore, a dustproof device that can close and open the pickup hole is needed to prevent dust from entering the recording device when it is not in use. Utility Model Content

[0003] This utility model addresses the shortcomings of existing technologies by providing a speech recording device with dustproof function. The dust cover rotates on the housing, and the microphone holes overlap or interweave to open or close the microphone holes, thereby preventing dust from entering the speech recording device when it is not in use. This device is simple, efficient, safe, reliable, and easy to operate.

[0004] This utility model is achieved through the following technical solution: providing a speech recording device with dustproof function, including a housing of the speech recording device, on which a pickup hole is opened; a dustproof net is provided inside the housing, and the dustproof net covers the pickup hole; a dustproof cover is fitted on the housing, and the dustproof cover is rotated on the housing; the dustproof cover has several through holes, and the movement trajectory of the through holes intersects with the movement trajectory of the pickup hole; by rotating the dustproof cover on the housing, the pickup hole is opened or closed by the overlap or staggering of the through holes and the pickup hole, thereby preventing dust from entering the speech recording device when it is not in use.

[0005] As an optimization, the dust cover includes several cover bodies A that are nested in sequence. The cover bodies A are coaxially mounted on the housing, and the through holes are located on the cover bodies A. By having several cover bodies A nested in sequence, the area of ​​the pickup hole is increased, thereby improving the sound reception quality of the radio equipment.

[0006] As an optimization, the dust cover also includes a cover body B fitted onto the outermost cover body A, with cover body B coaxially mounted on the housing; a sealing strip is fixed on cover body B extending toward the housing, and the movement trajectory of the sealing strip is in contact with the housing; cover body B and the sealing strip prevent dust from entering the radio equipment from the gap between the housing and the outermost cover body A.

[0007] As an optimization, several grooves extending around the rotation axis of the dust cover are provided on the cover B, and sliders are respectively slidably installed in the grooves. The sliders are respectively fixed on the corresponding cover A. When the cover B rotates, the grooves and sliders will drive the cover A to rotate in sequence, preventing the cover A from moving randomly.

[0008] As an optimization, the housing is provided with several limiting grooves arranged around the rotation axis of the dust cover, and the cover B is provided with limiting springs, and the movement trajectory of the limiting springs intersects with the limiting grooves; the position of the cover B is limited by the limiting grooves and the limiting springs to prevent the cover B from moving randomly.

[0009] As an optimization, the outer side of cover B is provided with anti-slip texture; this makes it easier to rotate cover B.

[0010] The beneficial effects of this utility model are as follows: by rotating the dust cover on the housing, the microphone holes are opened or closed by overlapping or staggering the through holes and microphone holes, thereby preventing dust from entering the speech recording device when it is not in use; by increasing the area of ​​the microphone holes by several sequentially nested covers A, the sound quality of the recording device is improved; by using covers B and sealing strips, dust is prevented from entering the recording device through the gap between the housing and the outermost cover A; by using sliding grooves and sliders, covers A are sequentially rotated when covers B rotates, preventing covers A from moving randomly; by using limiting grooves and limiting springs, the position of covers B is limited, preventing covers B from moving randomly. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the structure of this utility model;

[0012] Figure 2 This is a schematic diagram showing the connection between cover A and cover B of this utility model;

[0013] Figure 3 for Figure 2 A schematic diagram of the structure at point A;

[0014] Figure 4 This is a schematic diagram showing the connection between the limiting groove and the limiting spring of this utility model;

[0015] Figure 5 for Figure 4 A schematic diagram of the structure at point B;

[0016] As shown in the figure:

[0017] 1. Housing, 2. Dustproof net, 3. Dustproof cover, 4. Rotary wheel, 5. Limiting spring, 6. Slider, 7. Speech recording device, 101. Limiting groove, 301. Cover body A, 302. Cover body B, 303. Sealing strip, 401. Slide groove, 402. Anti-slip texture. Detailed Implementation

[0018] To clearly illustrate the technical features of this solution, the following detailed implementation method will be used to explain the solution.

[0019] like Figure 1 and Figure 2 The present invention discloses a speech recording device with dustproof function, including a housing 1 of a speech recording device 7, wherein a pickup hole is provided on the housing 1; a dustproof net 2 is provided inside the housing 1 and covers the pickup hole; a dustproof cover 3 is fitted on the housing 1 and is mounted on the housing 1; a plurality of through holes are provided on the dustproof cover 3 and the movement trajectory of the through holes intersects with the movement trajectory of the pickup hole.

[0020] Rotate the dust cover 3 on the housing 1. The through hole rotates with the dust cover 3 until the through hole and the pickup hole overlap, and the pickup hole opens. Rotate the dust cover 3 in the opposite direction on the housing 1. The through hole rotates with the dust cover 3 until the through hole and the pickup hole intersect, the dust cover 3 covers the pickup hole, and the pickup hole closes.

[0021] like Figure 1 and Figure 2 The dust cover 3 shown includes several cover bodies A301 that are sequentially nested together. The cover bodies A301 are coaxially mounted on the housing 1, and the through holes are located on the cover bodies A301.

[0022] Rotate the dust cover 3 on the housing 1. The cover body A301 rotates sequentially, and the through hole rotates with the cover body A301 until the through hole and the pickup hole overlap, and the pickup hole is opened. Rotate the dust cover 3 in the opposite direction on the housing 1. The cover body A301 rotates sequentially, and the through hole rotates with the cover body A301 until the through hole and the pickup hole intersect, the cover body A301 covers the pickup hole, and the pickup hole is closed.

[0023] like Figure 1 and Figure 2 The dust cover 3 shown also includes a cover body B302 fitted on the outermost cover body A301, and the cover body B302 is coaxially mounted on the housing 1; a sealing strip 303 extending toward the housing 1 is fixed on the cover body B302, and the movement trajectory of the sealing strip 303 is in contact with the housing 1; through holes are located on the cover body A301 and the cover body B302 respectively.

[0024] Rotate the dust cover 3 on the housing 1. Cover body B302 and cover body A301 rotate in sequence. The through hole rotates with cover body B302 and cover body A301 until the through hole and the pickup hole overlap, and the pickup hole is opened. Rotate the dust cover 3 in the opposite direction on the housing 1. Cover body B302 and cover body A301 rotate in sequence. The through hole rotates with cover body B302 and cover body A301 until the through hole and the pickup hole intersect. Cover body B302 and cover body A301 cover the pickup hole, and the pickup hole is closed.

[0025] like Figure 2 and Figure 3The cover B302 shown has several grooves 401 extending around the rotation axis of the dust cover 3. Sliding blocks 6 are respectively slidably installed in the grooves 401, and the sliding blocks 6 are respectively fixed on the corresponding cover A301.

[0026] Rotating the dust cover 3 on the housing 1 causes the cover body B302 to rotate, and the slider 6 slides within the groove 401 until it reaches the end of the groove 401. The cover body B302 then drives the cover body A301 to rotate sequentially via the slider 6. The through hole rotates with the cover body B302 and the cover body A301 until the through hole and the microphone hole overlap, and the microphone hole opens. Rotating the dust cover 3 in the opposite direction on the housing 1 causes the cover body B302 to rotate, and the slider 6 slides within the groove 401 until it reaches the end of the groove 401. The cover body B302 then drives the cover body A301 to rotate sequentially via the slider 6. The through hole rotates with the cover body B302 and the cover body A301 until the through hole and the microphone hole intersect, and the cover body B302 and the cover body A301 cover the microphone hole, and the microphone hole closes.

[0027] like Figure 4 and Figure 5 The housing 1 shown has several limiting grooves 101 arranged around the rotation axis of the dust cover 3. The cover B302 is provided with limiting springs 5, and the movement trajectory of the limiting springs 5 ​​intersects with the limiting grooves 101.

[0028] The cover B302 rotates and drives the limiting spring 5 to rotate until the limiting spring 5 enters the corresponding limiting groove 101. The cover B302 is fixed to the shell 1 by the limiting spring 5 and the limiting groove 101.

[0029] like Figure 1 The outer side of the cover B302 shown is provided with anti-slip texture 402 to facilitate the rotation of the cover B302; the cover B302 is connected to a rotating wheel 4, which is rotatably mounted on the housing 1, and the axis of the rotating wheel 4 and the cover B302 are the same; the sliding groove 401 is located on the rotating wheel 4.

[0030] In actual production, the dust cover 3 is rotated on the housing 1, causing the cover body B302 to rotate and drive the limiting spring 5 to rotate. The slider 6 slides in the slide groove 401 until the slider 6 slides to the end of the slide groove 401. The cover body B302 drives the cover body A301 to rotate sequentially through the slider 6. The through hole rotates with the cover body B302 and the cover body A301 until the limiting spring 5 enters the corresponding limiting groove 101. The cover body B302 is fixed to the housing 1 by the limiting spring 5 and the limiting groove 101. The through hole and the sound pickup hole overlap, and the sound pickup hole is opened. On the housing 1, the dust cover 3 is rotated. Rotate the dust cover 3. The cover body B302 rotates and drives the limiting spring 5 to rotate. The slider 6 slides in the slide groove 401 until the slider 6 slides to the end of the slide groove 401. The cover body B302 drives the cover body A301 to rotate in sequence through the slider 6. The through hole rotates with the cover body B302 and the cover body A301 until the limiting spring 5 enters the corresponding limiting groove 101. The cover body B302 is fixed to the housing 1 through the limiting spring 5 and the limiting groove 101. The through hole and the sound pickup hole are intersected. The cover body B302 and the cover body A301 cover the sound pickup hole, and the sound pickup hole is closed.

[0031] Of course, the above description is not limited to the examples above. Technical features of this utility model not described can be implemented by or using existing technology, and will not be repeated here. The above embodiments and drawings are only used to illustrate the technical solution of this utility model and are not intended to limit this utility model. This utility model has been described in detail with reference to preferred embodiments. Those skilled in the art should understand that any changes, modifications, additions or substitutions made by those skilled in the art within the scope of this utility model do not depart from the spirit of this utility model and should also fall within the protection scope of the claims of this utility model.

Claims

1. A speech pickup device with dustproof function, comprising a housing (1) of a speech pickup device (7), wherein a pickup hole is provided on the housing (1); a dustproof net (2) is provided inside the housing (1), and the dustproof net (2) covers the pickup hole; characterized in that: A dust cover (3) is fitted on the housing (1), and the dust cover (3) is mounted on the housing (1); the dust cover (3) has several through holes, and the movement trajectory of the through holes intersects with the movement trajectory of the pickup hole.

2. The speech recording device with dustproof function according to claim 1, characterized in that: The dust cover (3) includes several cover bodies A (301) that are sequentially nested together. The cover bodies A (301) are coaxially mounted on the housing (1), and the through holes are located on the cover bodies A (301).

3. The speech recording device with dustproof function according to claim 2, characterized in that: The dust cover (3) also includes a cover body B (302) fitted on the outermost cover body A (301), and the cover body B (302) is coaxially mounted on the housing (1); a sealing strip (303) extending toward the housing (1) is fixed on the cover body B (302), and the movement trajectory of the sealing strip (303) is in contact with the housing (1).

4. The speech recording device with dustproof function according to claim 3, characterized in that: The cover B (302) has several grooves (401) extending around the rotation axis of the dust cover (3), and sliders (6) are respectively slidably installed in the grooves (401), and the sliders (6) are respectively fixed on the corresponding cover A (301).

5. The speech recording device with dustproof function according to claim 4, characterized in that: The housing (1) has several limiting grooves (101) arranged around the rotation axis of the dust cover (3), and the cover body B (302) has a limiting spring (5), and the movement trajectory of the limiting spring (5) intersects with the limiting groove (101).

6. The speech recording device with dustproof function according to claim 3, characterized in that: The outer side of the cover B (302) is provided with anti-slip texture (402).

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