Earphone acoustic performance test tool

By using a motor-driven turntable and spring system to achieve elastic clamping of different headphones, combined with the adaptive function of the clamping block's torsion spring, the problem of unstable headphone clamping is solved, ensuring uniform force on the headphones and improving testing efficiency and data stability.

CN224054434UActive Publication Date: 2026-03-27QINGDAO MINGYUSHENG PRECISION MOULD CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-28
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing headphone acoustic performance testing devices are not convenient for adjusting protective clamping of headphones of different sizes, and the insufficient roundness of the headphone edges results in unstable and uneven clamping force.

Method used

The turntable is driven by a motor to rotate, and the slide bar is moved by springs and support rods to achieve elastic clamping and fixing of different headphones; the clamping block adapts to the headphone surface through the torsion force of the torsion spring to ensure stable and uniform clamping.

Benefits of technology

It achieves stable clamping of different headphones, avoids damage to headphones caused by excessive clamping force, ensures uniform force on the headphone surface, and improves testing efficiency and data stability.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224054434U_ABST
    Figure CN224054434U_ABST
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Abstract

The utility model belongs to the field of testing tools, and particularly relates to an earphone acoustic performance testing tool which comprises a bottom plate, the lower end of the bottom plate is fixedly connected with supporting feet, a motor is fixedly installed in the middle of the lower end of the bottom plate, the lower end of a rotating shaft of the motor is fixedly connected with a rotating disc, and a sliding groove is formed in the rotating disc. An adjusting mechanism is arranged on the bottom plate, a sliding seat is arranged on the adjusting mechanism, and a clamping mechanism is arranged on the sliding seat. The rotating disc is driven by the motor to rotate, so that the supporting rod can drive the sliding rod to move through the spring, the sliding rod drives the sliding base to move, earphones of different sizes can be clamped and fixed through the device, and meanwhile, through the elastic effect of the spring, the situation that the earphones are damaged due to the fact that the clamping force is too large is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to test frock technical field, concretely is a earphone acoustic performance test frock. BACKGROUND

[0002] The utility model discloses a kind of in-ear earphone acoustic performance testing devices, including base assembly, rocker assembly and simulation ear;The utility model is high in practicality with reasonable design in structure, when working, the down pressure angle of second cross arm is adjusted by fastening nut, first open rocker assembly, place the earphone to be measured in the earphone placement slot on simulation ear, rotate first cross arm to drive second cross arm and pressure head to move down, PU material pressure head can avoid earphone to be damaged in test, simultaneously under the action of tension spring, pressure head is pressed firmly to earphone, so that it is fixed, and test is carried out by simulation ear, open rocker assembly to take away earphone again, it can be tested in three steps, avoid traditional complicated operation steps, greatly improve test efficiency, the device is simple and convenient to operate, the consistency of earphone placement position is also very good, ensure that test data is stable, and the device is small in size, can be placed in any soundproof box and test.

[0003] But the device is inconvenient to adjust to protectively hold earphone of different sizes when using, simultaneously, earphone edge radian is not enough round, which can lead to that earphone holding force is not enough stable and uniform. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of earphone acoustic performance test frock, solve the device and inconveniently adjust to protectively hold earphone of different sizes, simultaneously, earphone edge radian is not enough round, which can lead to that earphone holding force is not enough stable and uniform.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of earphone acoustic performance test frock, including bottom plate, the lower end of the bottom plate is fixedly connected with support leg, the lower end of the bottom plate is fixedly installed with motor, the lower end of the rotating shaft of the motor is fixedly connected with carousel, the inside of the carousel is equipped with sliding slot, adjusting mechanism is provided on the bottom plate, sliding seat is provided on the adjusting mechanism, clamping mechanism is provided on the sliding seat.

[0006] Preferably, the lower end of the sliding seat is fixedly connected with sliding block, and the sliding block is slidably connected with the bottom plate.The sliding block is provided to support the sliding seat.

[0007] Preferably, the adjusting mechanism comprises a sliding rod, the inside of the bottom plate is slidably connected with the sliding rod, the sliding rod is fixedly connected with the sliding block, the upper end of the rotating disc is slidably connected with a supporting rod, the surface of the supporting rod is fixedly connected with a guide rod, the guide rod is slidably connected with the sliding rod, and the outer side of the guide rod is provided with a spring. Through driving the rotating disc to rotate by the motor, the supporting rod can drive the sliding rod to move through the spring, the sliding rod drives the sliding block to move, and the device can clamp and fix earphones of different sizes.

[0008] Preferably, the lower end of the supporting rod is fixedly connected with a sliding pin, and the sliding pin is slidably connected with the sliding groove.

[0009] Preferably, one end of the spring is fixedly connected with the supporting rod, and the other end of the spring is slidably connected with the sliding rod.

[0010] Preferably, the clamping mechanism comprises a clamping block, the inside of the sliding block is rotatably connected with the clamping block, the inside of the sliding block is fixedly connected with a supporting shaft, the outer side of the supporting shaft is rotatably connected with a blocking ring, the blocking ring is fixedly connected with the clamping block, and the outer side of the supporting shaft is provided with a torsion spring. Through rotating the clamping block relative to the supporting shaft and through the torsion force of the torsion spring, the clamping block is reset after rotating, the device can be self-adapted to the surface of the earphone, the device can clamp the earphone more stably, the force on the surface of the earphone is more uniform, and the earphone is prevented from being damaged by clamping and extrusion.

[0011] Preferably, one end of the torsion spring is fixedly connected with the sliding block, and the other end of the torsion spring is fixedly connected with the blocking ring.

[0012] Compared with the prior art, the device has the following beneficial effects:

[0013] 1、 through driving the rotating disc to rotate by the motor, the supporting rod can drive the sliding rod to move through the spring, the sliding rod drives the sliding block to move, and the device can clamp and fix earphones of different sizes, and through the elastic effect of the spring, the earphones are prevented from being damaged due to too large clamping force.

[0014] 2、 through rotating the clamping block relative to the supporting shaft and through the torsion force of the torsion spring, the clamping block is reset after rotating, the device can be self-adapted to the surface of the earphone, the device can clamp the earphone more stably, the force on the surface of the earphone is more uniform, and the earphone is prevented from being damaged by clamping and extrusion. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1The utility model discloses a whole structure perspective view;

[0016] Figure 2 The utility model discloses Figure 1 The bottom view of the utility model discloses

[0017] Figure 3 The utility model discloses Figure 2 The slide seat perspective view of the utility model discloses

[0018] Figure 4 The utility model discloses Figure 3 The split view of the utility model discloses the clamping block.

[0019] In the drawing: 1, bottom plate, 2, support leg, 3, motor, 4, rotary table, 5, sliding slot, 6, adjusting mechanism, 7, slide seat, 8, clamping mechanism, 9, sliding block, 61, sliding rod, 62, sliding pin, 63, support rod, 64, guide rod, 65, spring, 81, clamping block, 82, support shaft, 83, baffle ring, 84, torsional spring. Specific implementation

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Please refer to Figures 1-2 , a kind of earphone acoustic performance test tool, including bottom plate 1, the lower end of bottom plate 1 is fixedly connected with support leg 2, the lower end of bottom plate 1 is fixedly installed with motor 3 in middle part, the lower end of the rotating shaft of motor 3 is fixedly connected with rotary table 4, rotary table 4 is internally provided with sliding slot 5, adjusting mechanism 6 is provided on bottom plate 1, adjusting mechanism 6 is provided with slide seat 7, clamping mechanism 8 is provided on slide seat 7, the lower end of slide seat 7 is fixedly connected with sliding block 9, sliding block 9 and bottom plate 1 are slidingly connected, by being provided with sliding block 9, slide seat 7 is supported.

[0022] Please refer to Figure 1 、 Figure 2 、 Figure 3The adjusting mechanism 6 comprises a sliding rod 61, the sliding rod 61 being slidably connected to the inside of the bottom plate 1, the sliding rod 61 being fixedly connected to the sliding seat 7, the lower end of the supporting rod 63 being fixedly connected to a sliding pin 62, the sliding pin 62 being slidably connected to the sliding groove 5, the sliding pin 62 being arranged to adjust the movement of the supporting rod 63, the upper end of the rotating disc 4 being slidably connected to the supporting rod 63, the surface of the supporting rod 63 being fixedly connected to a guide rod 64, the guide rod 64 being slidably connected to the sliding rod 61, the outer side of the guide rod 64 being provided with a spring 65, one end of the spring 65 being fixedly connected to the supporting rod 63, the other end of the spring 65 being slidably connected to the sliding rod 61, the spring 65 being arranged to elastically extrude the sliding rod 61, the rotating disc 4 being driven to rotate by the motor 3, so that the supporting rod 63 can drive the sliding rod 61 to move through the spring 65, so that the sliding rod 61 drives the sliding seat 7 to move, so that the device can clamp and fix earphones of different sizes, and at the same time, the spring 65 elastically acts to avoid that the earphones are damaged due to excessive clamping force.

[0023] Please refer to Figure 1 、 Figure 2 、 Figure 4 The clamping mechanism 8 comprises a clamping block 81, the clamping block 81 being rotatably connected to the inside of the sliding seat 7, the inside of the sliding seat 7 being fixedly connected to a supporting shaft 82, the outer side of the supporting shaft 82 being rotatably connected to a blocking ring 83, the blocking ring 83 being fixedly connected to the clamping block 81, the outer side of the supporting shaft 82 being provided with a torsional spring 84, one end of the torsional spring 84 being fixedly connected to the sliding seat 7, the other end of the torsional spring 84 being fixedly connected to the blocking ring 83, the torsional spring 84 being arranged to facilitate the resetting of the clamping block 81, the clamping block 81 being rotated relative to the supporting shaft 82, and the clamping block 81 being facilitated to reset after being rotated through the torsional action of the torsional spring 84, so that the device can be self-adapted to the surface of the earphones, so that the device can clamp the earphones more stably, and the force acting on the surface of the earphones is more uniform, so that the earphones are prevented from being damaged by being clamped and extruded.

[0024] The utility model discloses a specific implementation process as follows: when using, the earphone is placed on the bottom plate 1, and the motor 3 is started, the motor 3 drives the rotation of the turntable 4, and then the position of the chute 5 changes, and then the slide pin 62 moves, the slide pin 62 drives the support rod 63 to move, the support rod 63 drives the guide rod 64 to move, and then the slide rod 61 moves, the slide rod 61 drives the slide base 7 to move, and then the clamping mechanism 8 and the earphone contact, the support rod 63 moves and extrudes the spring 65, and then the spring 65 elastically extrudes the slide rod 61, so that the clamping mechanism 8 elastically clamps the earphone, the motor 3 drives the rotation of the turntable 4, and then the support rod 63 can drive the slide rod 61 to move through the spring 65, and then the slide rod 61 drives the slide base 7 to move, and then the device can clamp and fix earphones of different sizes, at the same time, through the elastic action of the spring 65, the earphone is prevented from being damaged due to excessive clamping force, after the clamping block 81 contacts the earphone, the clamping block 81 rotates relative to the support shaft 82, and through the torsional force action of the torsional spring 84, then the clamping block 81 is reset after rotating, and then the device can be self-adapted to the earphone surface, and then the device can clamp the earphone more stably, and the force on the earphone surface is more uniform, and the earphone is prevented from being damaged by clamping and extrusion.

[0025] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An earphone acoustic performance test tooling, comprising a bottom plate (1), characterized in that: The lower end of the bottom plate (1) is fixedly connected with a supporting leg (2), the lower end of the bottom plate (1) is fixedly installed with a motor (3), the lower end of the rotating shaft of the motor (3) is fixedly connected with a rotating disc (4), the inside of the rotating disc (4) is provided with a sliding slot (5), the bottom plate (1) is provided with an adjusting mechanism (6), the adjusting mechanism (6) is provided with a sliding seat (7), and the sliding seat (7) is provided with a clamping mechanism (8).

2. The earphone acoustic performance test tool of claim 1, wherein: The lower end of the sliding seat (7) is fixedly connected with a sliding block (9), and the sliding block (9) and the bottom plate (1) are slidingly connected.

3. The earphone acoustic performance test tool of claim 1, wherein: The adjusting mechanism (6) comprises a sliding rod (61), the inside of the bottom plate (1) is slidingly connected with the sliding rod (61), the sliding rod (61) and the sliding seat (7) are fixedly connected, the upper end of the rotating disc (4) is slidingly connected with a supporting rod (63), the surface of the supporting rod (63) is fixedly connected with a guide rod (64), the guide rod (64) and the sliding rod (61) are slidingly connected, and the outer side of the guide rod (64) is provided with a spring (65).

4. The earphone acoustic performance test tool of claim 3, wherein: The lower end of the supporting rod (63) is fixedly connected with a sliding pin (62), and the sliding pin (62) and the sliding slot (5) are slidingly connected.

5. The earphone acoustic performance test tool of claim 3, wherein: One end of the spring (65) and the supporting rod (63) are fixedly connected, and the other end of the spring (65) and the sliding rod (61) are slidingly connected.

6. The earphone acoustic performance test tool of claim 1, wherein: The clamping mechanism (8) comprises a clamping block (81), the inside of the sliding seat (7) is rotatably connected with the clamping block (81), the inside of the sliding seat (7) is fixedly connected with a supporting shaft (82), the outer side of the supporting shaft (82) is rotatably connected with a blocking ring (83), the blocking ring (83) and the clamping block (81) are fixedly connected, and the outer side of the supporting shaft (82) is provided with a torsional spring (84).

7. The earphone acoustic performance test tool of claim 6, wherein: One end of the torsional spring (84) and the sliding seat (7) are fixedly connected, and the other end of the torsional spring (84) and the blocking ring (83) are fixedly connected.

Citation Information

Patent Citations

  • In-ear earphone acoustic performance testing device

    CN209002229U