Audio transmission delay detection device

Abstract

The utility model discloses an audio transmission delay detection device which comprises a base, a first gear is arranged on the inner wall of the base, one side of the first gear is fixedly connected with rotating rods, the outer side of the first gear is connected with a toothed chain in a meshed mode, the number of the rotating rods is three, the outer sides of two of the rotating rods are fixedly connected with second gears, and the outer sides of the second gears are fixedly connected with third gears. One end of each rotating rod is rotationally connected with the inner wall of the base, one end of one rotating rod is rotationally connected with a servo motor, the outer side of the first gear is in meshed connection with a rack, the two ends of the rack are fixedly connected with first limiting blocks, and the upper surface of the rack is fixedly connected with a first connecting rod; and one side of the first connecting rod is fixedly connected with a second connecting rod. According to the structure, the servo motor is used for driving the rotating rod and the gear to rotate, and the gear and the rack are matched to drive the fixing plate to move, so that the position of the detector is fixed.

Description

Technical Field

[0001] The utility model relates to the technical field of audio transmission delay detection, in particular to an audio transmission delay detection device. Background Art

[0002] The Audio Transmission Delay Detection Device is a device used to detect delays in audio transmission. It is primarily used to measure the time difference between the audio signal's transmission end and its reception end, detect delay issues in the audio transmission system, and eliminate self-excitation when necessary to ensure stable audio signal transmission.

[0003] Generally, the audio transmission delay detection device is placed directly on the base when in use. This makes it easy for the external force to cause the position of the audio transmission delay detection device to change, affecting the working state of the audio transmission delay detection device. The connection between the audio transmission delay detection device and other components is also prone to loosening. Utility Model Content

[0004] The purpose of the utility model is to provide an audio transmission delay detection device, which can fix the position of the audio transmission delay detection device to prevent the audio transmission delay detection device from being offset due to external force, thereby affecting subsequent use.

[0005] To achieve the above-mentioned object, an audio transmission delay detection device is provided, comprising a base, a first gear being provided on an inner wall of the base, a rotating rod being fixedly connected to one side of the first gear, a toothed chain being meshed on the outer side of the first gear, three rotating rods being fixedly connected to the outer side of the rotating rod, a second gear being meshed on the outer side of the second gear, one end of the rotating rod being rotatably connected to the inner wall of the base, the rotating rod being supported by the base to prevent the rotating rod from being suspended in the air, one end of the rotating rod being rotatably connected to a servo motor, the servo motor being positioned by the rotating rod to facilitate subsequent operation of the servo motor, a rack being meshed on the outer side of the first gear, and the position of the rack being fixed by the first gear;

[0006] Both ends of the rack are fixedly connected to a first limit block, and the upper surface of the rack is also fixedly connected to a first connecting rod, and the rack is used to fix the position of the first connecting rod to prevent the position of the first connecting rod from shifting. One side of the first connecting rod is fixedly connected to a second connecting rod, and the first connecting rod is used to fix the position of the second connecting rod to prevent the position of the second connecting rod from shifting. One end of the second connecting rod is fixedly connected to a fixing plate, and the second connecting rod is used to fix the position of the fixing plate to prevent the position of the fixing plate from shifting.

[0007] According to the audio transmission delay detection device, a detector is attached to the upper surface of the base, and the base is used to support the detector. A fixing groove is opened inside the base, and the position of the fixing groove is fixed by the base.

[0008] According to the audio transmission delay detection device, the fixing groove is slidably connected to a connecting block, and the fixing groove is used to fix the position of the connecting block. A spring is provided inside the connecting block, and the connecting block is used to protect the spring to prevent external debris from affecting the working state of the spring.

[0009] According to the audio transmission delay detection device, both ends of the spring are fixedly connected to a second limit block, and the spring is used to support the second limit block to avoid hanging. One side of the second limit block is fixedly connected to a fixed block, and the second limit block is used to fix the position of the fixed block.

[0010] According to the audio transmission delay detection device, a support plate is fixedly connected to the inner side of the second limit block, and the position of the support plate is fixed by the second limit block. A sliding rod is fixedly connected to one side of the support plate, and the position of the sliding rod is fixed by the support plate.

[0011] According to the audio transmission delay detection device, a sliding groove is provided on the upper surface of the connecting block, and a guardrail is fixedly connected to the upper surface of the connecting block. The connecting block is used to support the guardrail to prevent the guardrail from hanging in the air.

[0012] According to the audio transmission delay detection device, one end of the servo motor is fixedly connected to one side of the base, and the base is used to support the servo motor to avoid it being suspended in the air. The number of the connecting blocks is four.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention uses the base to fix the position of the servo motor to prevent the position of the servo motor from shifting during operation, uses the servo motor to drive the rotating rod to rotate, uses the tooth chain to drive the first gear and the second gear on both sides to rotate at the same time, uses the rotating rod to drive the first gear and the second gear for support, uses the cooperation of the first gear and the rack to drive the first connecting rod, the second connecting rod and the fixed plate to move, which is convenient for the subsequent fixed plate to limit the position of the detector, and also prevents the detector from being hit by external force and causing position shifting, and uses the first limiting plate to limit the position of the first gear to prevent the first gear from disengaging from the rack and affecting subsequent movement operations.

[0014] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0016] Figure 1 This is a three-dimensional diagram of an audio transmission delay detection device of the present utility model;

[0017] Figure 2 This is a cross-sectional view of an audio transmission delay detection device according to the present invention;

[0018] Figure 3 This is a structural diagram of the guardrail of the utility model;

[0019] Figure 4 This is a structural diagram of the first gear, the second gear and the connecting rod of the utility model;

[0020] Figure 5 This is a structural diagram of the second gear and tooth chain of the utility model.

[0021] In the figure: 1. Base; 2. First gear; 3. Rotating rod; 4. Second gear; 5. Tooth chain; 6. Servo motor; 7. Rack; 8. First limit block; 9. First connecting rod; 10. Second connecting rod; 11. Fixed plate; 12. Guardrail; 13. Detector; 14. Connecting block; 15. Spring; 16. Second limit block; 17. Support plate; 18. Fixed block; 19. Sliding rod. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the utility model.

[0023] See also Figure 1-5The embodiment of the utility model provides a technical solution: an audio transmission delay detection device, comprising a base 1, a first gear 2 is provided on the inner wall of the base 1, the base 1 is used to protect the first gear 2 to prevent the first gear 2 from being affected by external debris, a rotating rod 3 is fixedly connected to one side of the first gear 2, the rotating rod 3 is used to rotate the first gear 2, the outer side of the first gear 2 is meshed with a toothed chain 5, the toothed chain 5 is used to support and position the toothed chain 5, the number of rotating rods 3 is three, the outer sides of two rotating rods 3 are fixedly connected to the second gear 4, the second gear 4 drives the rotating rod 3 to rotate, the outer side of the second gear 4 is meshed with the toothed chain 5, and the toothed chain 5 drives the second gear 4 to rotate, the first gear 2 and the second gear 4 move toward each other, one end of the rotating rod 3 is rotatably connected to the inner wall of the base 1, the position of the rotating rod 3 is fixed by the base 1, and the servo motor 6 is rotatably connected to one end of the rotating rod 3, and the servo motor 6 is used to rotate the rotating rod 3, the outer side of the first gear 2 is meshed with a rack 7, the position of the rack 7 is changed by the first gear 2, and the two racks 7 move toward each other;

[0024] Both ends of the rack 7 are fixedly connected to the first limit block 8, and the rack 7 is used to fix the position of the first limit block 8. A first connecting rod 9 is also fixedly connected to the upper surface of the rack 7, and the rack 7 is used to fix the position of the first connecting rod 9. One side of the first connecting rod 9 is fixedly connected to the second connecting rod 10, and the first connecting rod 9 is used to fix the position of the second connecting rod 10. One end of the second connecting rod 10 is fixedly connected to a fixing plate 11, and the second connecting rod 10 is used to fix the position of the fixing plate 11, and the fixing plate 11 is used to fix the position of the detector 13.

[0025] A detector 13 is attached to the upper surface of the base 1, and the detector 13 and other components are used to cooperate for delay detection operation. A fixed groove is provided inside the base 1, and a connecting block 14 is slidably connected to the fixed groove. The position of the connecting block 14 is fixed by the fixed groove. A spring 15 is provided inside the connecting block 14, and the connecting block 14 is used to protect the spring 15. Both ends of the spring 15 are fixedly connected to a second limit block 16, and the position of the second limit block 16 is fixed by the spring 15. A fixed block 18 is fixedly connected to one side of the second limit block 16, and the position of the fixed block 18 is fixed by the second limit block 16. Block 16 limits the position of the spring 15, and a support plate 17 is fixedly connected to the inner side of the second limit block 16, and the second limit block 16 is used to fix the position of the support plate 17. A slide rod 19 is fixedly connected to one side of the support plate 17, and the support plate 17 is used to fix the position of the slide rod 19. A slide groove is provided on the upper surface of the connecting block 14, and the slide groove facilitates the sliding of the slide rod 19. A guardrail 12 is fixedly connected to the upper surface of the connecting block 14, and the position of the guardrail 12 is fixed by the connecting block 14. One end of the servo motor 6 is fixedly connected to one side of the base 1, and the servo motor 6 is fixed by the base 1. There are four connecting blocks 14.

[0026] Working principle: The utility model uses the base 1 to fix the servo motor 6, uses the servo motor 6 to rotate the rotating rod 3, the first gear 2 and the second gear 4, uses the toothed chain 5 to rotate the first gear 2 and the second gear 4 at the same time, the rotation of the first gear 2 causes the rack 7 to change its position, the movement of the rack 7 drives the first connecting rod 9 to change its position, the change in position of the first connecting rod 9 drives the second connecting rod 10 and the fixed plate 11 to move their positions, squeezes the fixed block 18 to change the length of the spring 15, and engages the connecting block 14 with the fixed groove, utilizes the cooperation of the slide rod 19 and the slide groove to facilitate the connection block 14 to detach from the fixed groove, and utilizes the guardrail 12 to prevent the detector 13 from being hit by foreign objects to cause damage to the detector 13, thereby reducing the usage time of the detector 13.

[0027] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. An audio transmission delay detection device, comprising a base (1), characterized in that: The inner wall of the base (1) is provided with a first gear (2), one side of the first gear (2) is fixedly connected to a rotating rod (3), the outer side of the first gear (2) is meshedly connected to a toothed chain (5), the number of the rotating rods (3) is three, the outer sides of two of the rotating rods (3) are fixedly connected to second gears (4), the outer sides of the second gears (4) are meshedly connected to the toothed chain (5), one end of the rotating rod (3) is rotatably connected to the inner wall of the base (1), one end of one of the rotating rods (3) is rotatably connected to a servo motor (6), and the outer side of the first gear (2) is meshedly connected to a rack (7); Both ends of the rack (7) are fixedly connected to a first limit block (8), the upper surface of the rack (7) is also fixedly connected to a first connecting rod (9), one side of the first connecting rod (9) is fixedly connected to a second connecting rod (10), and one end of the second connecting rod (10) is fixedly connected to a fixing plate (11).

2. The audio transmission delay detection device according to claim 1, wherein: A detector (13) is attached to the upper surface of the base (1), and a fixing groove is provided inside the base (1).

3. The audio transmission delay detection device according to claim 2, wherein: The fixing groove is slidably connected to a connecting block (14), and a spring (15) is provided inside the connecting block (14).

4. The audio transmission delay detection device according to claim 3, wherein: Both ends of the spring (15) are fixedly connected to a second limiting block (16), and one side of the second limiting block (16) is fixedly connected to a fixing block (18).

5. The audio transmission delay detection device according to claim 4, wherein: A support plate (17) is fixedly connected to the inner side of the second limiting block (16), and a sliding rod (19) is fixedly connected to one side of the support plate (17).

6. The audio transmission delay detection device according to claim 3, wherein: A sliding groove is provided on the upper surface of the connecting block (14), and a guardrail (12) is fixedly connected to the upper surface of the connecting block (14).

7. The audio transmission delay detection device according to claim 3, wherein: One end of the servo motor (6) is fixedly connected to one side of the base (1), and the number of the connecting blocks (14) is four.

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