Miniature loudspeaker test tool

Abstract

The utility model discloses a miniature loudspeaker test tool, which comprises a base, a pressing plate and an adjusting plug, the base is provided with a placing groove, the bottom of the placing groove is provided with a front cavity communicated with the placing groove, and the surface of the base is provided with a sound outlet communicated with the front cavity; the pressing plate is located over the base, a rear cavity is formed after the pressing plate makes contact with the base, a communicating hole communicated with the rear cavity is formed in the surface of the pressing plate, and an internal thread section is arranged in the communicating hole; and the adjusting plug is provided with a thread part matched with the internal thread section. The miniature loudspeaker test tool is novel in structure, a tester can increase or reduce the total volume of the rear cavity only by rotating the adjusting plug, so that the performance of the miniature loudspeaker matched with the rear cavities with different volumes can be tested, the tool manufacturing cost is greatly saved, the test efficiency is improved, and the operation of the tester is extremely simple and convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of tooling fixtures, in particular to a micro-speaker test tooling fixture. Background Art

[0002] With the popularization of mobile devices such as smart phones, more and more users hope to improve the sound quality of the devices, and the requirements for the performance of micro-speakers are also getting higher and higher. Therefore, in the production process, a micro-speaker test tooling fixture is needed to test the performance of micro-speakers.

[0003] The micro-speaker test tooling fixture includes a base and a pressing plate. The pressing plate is located directly above the base. A chamber is formed at the boundary between the pressing plate and the base. The micro-speaker to be tested is placed in the chamber and divides the chamber into a front chamber and a rear chamber. The base has a sound outlet communicating with the front chamber. In the prior art, the total volume of the rear chamber on the micro-speaker test tooling fixture cannot be adjusted. If it is necessary to test the performance of the micro-speaker with different sizes of rear chambers, multiple test tooling fixtures with different rear chamber sizes need to be prepared, and the tooling components need to be replaced multiple times during the test process, the operation is complex, and manufacturing multiple tooling components will also increase the cost. Summary of the Utility Model

[0004] The technical problem to be solved by the utility model is to provide a micro-speaker test tooling fixture with an adjustable rear chamber volume.

[0005] To solve the above technical problem, the technical solution adopted by the utility model is: a micro-speaker test tooling fixture, including:

[0006] A base, on which a placement groove is provided, a front chamber communicating with the placement groove is provided at the bottom of the placement groove, and a sound outlet communicating with the front chamber is provided on the surface of the base;

[0007] A pressing plate, which is located directly above the base, forms a rear chamber after contacting the base, a communication hole communicating with the rear chamber is provided on the surface of the pressing plate, and an internal thread section is provided in the communication hole;

[0008] An adjusting plug, which has a thread portion that matches the internal thread section.

[0009] Further, the sound outlet is located on the bottom surface of the base.

[0010] Further, the communication hole communicates with the top surface of the pressing plate.

[0011] Further, an operation portion is provided at the end of the adjusting plug, and the operation portion is exposed.

[0012] Further, the operation portion is a tool hole or a tab structure.

[0013] Further, a pressure probe is provided on the pressing plate. The pressure probe is arranged corresponding to the placement groove, and the bottom end of the pressure probe protrudes from the bottom surface of the pressing plate.

[0014] Further, a conduction probe is provided on the pressing plate. The bottom end of the conduction probe protrudes from the bottom surface of the pressing plate.

[0015] Further, a baffle is further included. A support arm is provided on the baffle, and a quick press head is provided on the support arm. A positioning groove for positioning the base is further provided on the baffle, and the positioning groove is arranged corresponding to the quick press head.

[0016] Further, the base includes a bottom plate, a silica gel pad and a pressing frame. The sound outlet is arranged on the bottom plate. The silica gel pad is arranged on the bottom plate and surrounds the sound outlet. The pressing frame is installed on the bottom plate and presses against the silica gel pad. The hollow area of the pressing frame forms the placement groove.

[0017] Further, the pressing frame has a mounting groove for positioning the pressing plate.

[0018] The beneficial effects of the present utility model are as follows: The structure of the micro speaker testing tooling of the present utility model is novel. The tester only needs to rotate the adjusting plug to increase or reduce the total volume of the rear cavity, so as to test the performance of the micro speaker when it is matched with rear cavities of different volumes, greatly saving the tooling manufacturing cost, improving the testing efficiency, and the operation of the tester is extremely simple. Description of the Drawings

[0019] Figure 1 It is a schematic structural diagram of the micro speaker testing tooling according to Embodiment 1 of the present utility model;

[0020] Figure 2 It is a cross-sectional view of a partial structure of the micro speaker testing tooling according to Embodiment 1 of the present utility model;

[0021] Figure 3 It is a cross-sectional view of a partial structure of the micro speaker testing tooling according to Embodiment 1 of the present utility model (after the adjusting plug moves outwards for a certain distance).

[0022] Label Description:

[0023] 1. Base; 11. Front cavity; 12. Bottom plate; 13. Silica gel pad; 14. Pressing frame; 141. Mounting groove;

[0024] 2. Pressing plate; 21. Rear cavity; 22. Communication hole;

[0025] 3. Adjusting plug; 31. Threaded part; 32. Operating part;

[0026] 4. Pressure probe;

[0027] 5. Conductive probe;

[0028] 6. Baffle; 61. Support arm; 62. Positioning groove;

[0029] 7. Quick punch head. Detailed implementation manner

[0030] To describe in detail the technical content, achieved purpose and effects of the present utility model, the following is described in conjunction with the implementation manners and with reference to the accompanying drawings.

[0031] Please refer to Figures 1 to 3 , a micro-speaker test tooling, comprising:

[0032] Base 1, a placement groove is provided on the base 1, a front cavity 11 communicating with the placement groove is provided at the bottom of the placement groove, and a sound outlet communicating with the front cavity 11 is provided on the surface of the base 1;

[0033] Pressing plate 2, the pressing plate 2 is located directly above the base 1, a rear cavity 21 is formed after the pressing plate 2 contacts the base 1, a communication hole 22 communicating with the rear cavity 21 is provided on the surface of the pressing plate 2, and an internal thread section is provided in the communication hole 22;

[0034] Adjusting plug 3, the adjusting plug 3 has a threaded portion 31 that mates with the internal thread section.

[0035] It can be seen from the above description that the beneficial effect of the present utility model is that: the structure of this micro-speaker test tooling is novel. The tester only needs to rotate the adjusting plug 3 to increase or reduce the total volume of the rear cavity 21, so as to test the performance of the micro-speaker when it is paired with rear cavities 21 of different volumes, greatly saving the tooling manufacturing cost, improving the test efficiency, and the operation of the tester is extremely simple.

[0036] Further, the sound outlet is located on the bottom surface of the base 1.

[0037] Further, the communication hole 22 communicates with the top surface of the pressing plate 2.

[0038] It can be seen from the above description that the communication hole 22 communicating with the top surface of the pressing plate 2 facilitates the tester to operate the adjusting plug 3.

[0039] Further, an operation portion 32 is provided at the end of the adjusting plug 3, and the operation portion 32 is exposed.

[0040] It can be seen from the above description that the setting of the operation portion 32 allows the tester to operate the adjusting plug 3 more conveniently.

[0041] Further, the operation portion 32 is a tool hole or a tab structure.

[0042] As can be seen from the above description, the specific type of the operation part 32 can be set as required.

[0043] Furthermore, a pressure probe 4 is provided on the pressing plate 2. The pressure probe 4 is arranged corresponding to the placement groove, and the bottom end of the pressure probe 4 protrudes from the bottom surface of the pressing plate 2.

[0044] As can be seen from the above description, the pressure probe 4 is used to apply pressure to the micro speaker to be tested located in the placement groove.

[0045] Furthermore, a conduction probe 5 is provided on the pressing plate 2. The bottom end of the conduction probe 5 protrudes from the bottom surface of the pressing plate 2.

[0046] As can be seen from the above description, the conduction probe 5 is used to conduct the micro speaker to be tested located in the placement groove.

[0047] Furthermore, a baffle 6 is further included. A support arm 61 is provided on the baffle 6, a quick press head 7 is provided on the support arm 61, a positioning groove 62 for positioning the base 1 is further provided on the baffle 6, and the positioning groove 62 is arranged corresponding to the quick press head 7.

[0048] As can be seen from the above description, the quick press head 7 is used to press against the pressing plate 2, so that the pressing plate 2 is in close contact with the base 1. At the same time, the pressure probe 4 can better apply pressure to the micro speaker to be tested located in the placement groove.

[0049] Furthermore, the base 1 includes a bottom plate 12, a silica gel pad 13 and a pressing frame 14. The sound outlet is arranged on the bottom plate 12. The silica gel pad 13 is arranged on the bottom plate 12 and surrounds the sound outlet. The pressing frame 14 is installed on the bottom plate 12 and presses against the silica gel pad 13. The hollow area of the pressing frame 14 forms the placement groove.

[0050] As can be seen from the above description, the silica gel pad 13 is used to seal the front cavity 11, which is beneficial to improving the accuracy of the test results; the multi-component combined base 1 allows the bottom plate 12 to be reused. When it is necessary to test micro speakers of different sizes, only the corresponding pressing frame 14 needs to be replaced, instead of replacing the entire base 1.

[0051] Furthermore, the pressing frame 14 has an installation groove 141 for positioning the pressing plate 2.

[0052] As can be seen from the above description, the existence of the installation groove 141 can achieve precise positioning of the pressing plate 2 and the base 1.

[0053] Embodiment 1

[0054] Please refer to Figures 1 to 3, Embodiment 1 of the present utility model is: a micro-speaker test tooling, including a base 1, a pressing plate 2 and an adjusting plug 3. A placement groove is provided on the base 1, and a front cavity 11 communicating with the placement groove is provided at the bottom of the placement groove. An outlet opening communicating with the front cavity 11 is provided on the surface of the base 1. The pressing plate 2 is located directly above the base 1. During the operation process, when the pressing plate 2 is pressed down, a rear cavity 21 is formed after the pressing plate 2 contacts the base 1. A communication hole 22 communicating with the rear cavity 21 is provided on the surface of the pressing plate 2, and an internal thread section is provided in the communication hole 22. The adjusting plug 3 has a threaded portion 31 that mates with the internal thread section, that is to say, at least part of the adjusting plug 3 is located in the communication hole 22.

[0055] In this embodiment, the outlet opening is located on the bottom surface of the base 1, and the communication hole 22 communicates with the top surface of the pressing plate 2. It is easy to understand that the internal thread section can cover all areas of the communication hole 22 or only cover part of the areas of the communication hole 22.

[0056] An operation portion 32 is provided at the end of the adjusting plug 3, and the operation portion 32 is exposed. The tester can operate the adjusting plug 3 by using the exposed operation portion 32. The operation portion 32 is a tool hole or a tab structure. When the operation portion 32 is a tab structure, the tester can pinch the tab structure to rotate the adjusting plug 3. When the operation portion 32 is a tool hole, the tool hole can be a slotted hole, a cross hole, a triangular hole or other shaped holes for cooperating with tools.

[0057] A pressure probe 4 is provided on the pressing plate 2. The pressure probe 4 is arranged corresponding to the placement groove, and the bottom end of the pressure probe 4 protrudes from the bottom surface of the pressing plate 2. A conduction probe 5 is provided on the pressing plate 2, and the bottom end of the conduction probe 5 protrudes from the bottom surface of the pressing plate 2.

[0058] The micro-speaker test tooling further includes a baffle 6. A support arm 61 is provided on the baffle 6, and a quick press head 7 is provided on the support arm 61. The baffle 6 has a window for avoiding the outlet opening. A positioning groove 62 for positioning the base 1 is further provided on the baffle 6, and the positioning groove 62 is arranged corresponding to the quick press head 7. During actual operation, the baffle 6 can be regarded as a wall plate of the test speaker box.

[0059] Optionally, the base 1 includes a bottom plate 12, a silica gel pad 13, and a pressing frame 14. The sound outlet is provided on the bottom plate 12. The silica gel pad 13 is provided on the bottom plate 12 and is arranged around the sound outlet. The pressing frame 14 is installed on the bottom plate 12 and presses against the silica gel pad 13. The hollow area of the pressing frame 14 forms the placement groove. When the micro speaker to be tested is placed in the placement groove, the micro speaker to be tested presses against the silica gel pad 13.

[0060] The pressing frame 14 has a mounting groove 141 for positioning the pressing plate 2.

[0061] In summary, the micro speaker testing tooling provided by the present utility model has a novel structure. The tester only needs to rotate the adjusting plug to increase or decrease the total volume of the rear cavity, so as to test the performance of the micro speaker when it is paired with rear cavities of different volumes, greatly saving the tooling manufacturing cost, improving the testing efficiency, and the operation of the tester is extremely simple.

[0062] The above are only the embodiments of the present utility model, and do not limit the patent scope of the present utility model accordingly. All equivalent transformations made by using the content of the specification and drawings of the present utility model, or directly or indirectly applied in related technical fields, are equally included in the patent protection scope of the present utility model.

Claims

1. A micro speaker testing tool, characterized in that: include A base, wherein a placement groove is provided on the base, a front cavity connected to the placement groove is provided at the bottom of the placement groove, and a sound outlet connected to the front cavity is provided on the surface of the base; A pressing plate, the pressing plate is located directly above the base, the pressing plate forms a rear cavity after contacting the base, a connecting hole connected to the rear cavity is provided on the surface of the pressing plate, and an internal thread section is provided in the connecting hole; An adjusting plug having a threaded portion matching the internal threaded section.

2. The micro speaker test fixture according to claim 1, characterized in that: The sound outlet is located on the bottom surface of the base.

3. The micro speaker test fixture according to claim 1, characterized in that: The communication hole is in communication with the top surface of the pressing plate.

4. The micro speaker test fixture according to claim 1, characterized in that: An operating portion is provided at the end of the regulating plug, and the operating portion is exposed.

5. The micro speaker test fixture according to claim 4, characterized in that: The operating portion is a tool hole or a protruding piece structure.

6. The micro speaker test fixture according to claim 1, characterized in that: The pressing plate is provided with a pressure probe, which is arranged corresponding to the placement groove and the bottom end of the pressure probe protrudes from the bottom surface of the pressing plate.

7. The micro speaker testing tool according to claim 1, characterized in that: The pressing plate is provided with a conducting probe, and the bottom end of the conducting probe is protruding from the bottom surface of the pressing plate.

8. The micro speaker test fixture according to claim 1, characterized in that: It also includes a baffle, on which a support arm is provided, on which a quick pressing head is provided, and on which a positioning groove for positioning the base is provided, the positioning groove being arranged corresponding to the quick pressing head.

9. The micro speaker testing tool according to claim 1, characterized in that: The base includes a bottom plate, a silicone pad and a pressure frame, the sound outlet is arranged on the bottom plate, the silicone pad is arranged on the bottom plate and around the sound outlet, the pressure frame is installed on the bottom plate and presses the silicone pad, and the hollow area of ​​the pressure frame forms the placement groove.

10. The micro speaker testing tool according to claim 9, characterized in that: The pressing frame has a mounting groove for positioning the pressing plate.

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