Miniature loudspeaker test tool

Abstract

The utility model discloses a miniature loudspeaker test tool, which comprises a base, a pressing plate, a cover plate, an elastic pressure probe, a stopper and a fastener, and is characterized in that the base is provided with a placement groove, and the bottom surface of the placement groove is provided with a sound outlet; a containing groove is formed in the top face of the pressing plate, a through hole communicated with the containing groove is formed in the bottom face of the containing groove, step structures are arranged on the two opposite sides of the containing groove respectively, the step structures are located in the containing groove, and fastening holes are formed in all step parts of the step structures respectively; the cover plate is arranged corresponding to the hollow area of the accommodating groove; the elastic pressure probe is fixedly mounted on the cover plate, and the bottom end of the elastic pressure probe extends into the placement groove through the through hole; the number of the stopping pieces is two, the two stopping pieces and the two stepped structures are arranged in a one-to-one correspondence mode, and the bottom face of one end of each stopping piece abuts against the top face of the cover plate. And the fastening piece penetrates through the stopping piece and is connected with the fastening hole. According to the tool, the performance of the miniature loudspeaker under different pressure conditions can be tested, and support can be provided for later loudspeaker module and complete machine design.

Description

Technical Field

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

[0002] With the popularization of mobile devices such as smart phones, the market demand for micro-speakers is increasing continuously, and the performance test requirements for micro-speakers are also increasing. In a micro-speaker testing tooling fixture, a pressure probe on a pressing plate presses against a micro-speaker to be tested. When the pressure applied by the pressure probe to the micro-speaker to be tested is different, the performance of the micro-speaker will also be different. However, in the existing micro-speaker testing tooling fixtures, the pressure probe is fixedly installed on the pressing plate. Therefore, the pressure applied by the pressure probe to the micro-speaker to be tested cannot be adjusted, and thus the influence of the pressure on the acoustic performance of the micro-speaker to be tested cannot be measured. Content of the Utility Model

[0003] The technical problem to be solved by the utility model is to provide a micro-speaker testing tooling fixture that can detect the influence of pressure on the performance of a micro-speaker.

[0004] To solve the above technical problem, the technical solution adopted by the utility model is: a micro-speaker testing tooling fixture, comprising:

[0005] A base, on which a placement groove is provided, and a sound outlet is provided on the bottom surface of the placement groove;

[0006] A pressing plate, on the top surface of which a receiving groove is provided, a through hole communicating with the placement groove is provided on the bottom surface of the receiving groove, stepped structures are respectively provided on the opposite sides of the receiving groove, the stepped structures are located in the receiving groove, and fastening holes are respectively provided on each step portion of the stepped structures;

[0007] A cover plate, which is arranged corresponding to the hollow area of the receiving groove;

[0008] An elastic pressure probe, which is fixedly installed on the cover plate, and the bottom end of the elastic pressure probe extends into the placement groove through the through hole;

[0009] A stopper, the number of the stoppers is two, the two stoppers are arranged in one-to-one correspondence with the two stepped structures, and the bottom surface of one end of the stopper abuts against the top surface of the cover plate;

[0010] A fastener, which penetrates through the stopper and connects to the fastening hole;

[0011] When the fastener is matched with different fastening holes, the distance between the cover plate and the bottom surface of the receiving groove is different.

[0012] Further, the fastener is a screw and the fastening hole is a threaded hole.

[0013] Further, in the stepped structure, the height difference between two adjacent stepped portions is the same.

[0014] Further, a positioning groove for positioning the pressing plate is provided on the base, and the placement groove is located on the bottom surface of the positioning groove.

[0015] Further, an elastic conduction probe extending into the placement groove is provided on the cover plate.

[0016] Further, the number of the elastic pressure probes is multiple.

[0017] Further, the multiple elastic pressure probes are arranged in at least one row.

[0018] Further, it further includes a baffle and a quick chuck provided on the baffle. An installation groove for installing the base is provided on the baffle, and the installation groove communicates with the bottom surface of the baffle to expose the sound outlet, and the quick chuck presses against the base.

[0019] Further, the number of the quick chucks is multiple.

[0020] 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. When the elastic pressure probe touches the micro-speaker to be tested in the placement groove, its rebounding force will push up the cover plate. However, there is a stop block above the cover plate to limit its upward movement, so that the elastic pressure probe will be compressed. When the stop block is on different stepped portions, the compression distance of the elastic pressure probe will change, thereby causing the pressure provided by the elastic pressure probe to change. Thus, the tester can test the performance of the micro-speaker under different pressure conditions, which can provide data support for the later design of the speaker module and the whole machine. Description of the Drawings

[0021] Figure 1 is a schematic structural diagram of the micro-speaker testing tooling according to Embodiment 1 of the present utility model;

[0022] Figure 2 is a cross-sectional view of the micro-speaker testing tooling according to Embodiment 1 of the present utility model.

[0023] Label Description:

[0024] 1. Base; 11. Placement groove; 12. Sound outlet; 13. Positioning groove;

[0025] 2. Pressing plate; 21. Receiving groove;

[0026] 3. Cover plate;

[0027] 4. Elastic pressure probe;

[0028] 5. Stopper;

[0029] 6. Step structure; 61. Step portion; 62. Fastening hole;

[0030] 7. Elastic conduction probe;

[0031] 8. Baffle; 81. Installation groove;

[0032] 9. Quick chuck. Detailed implementation manners

[0033] To describe in detail the technical content, achieved object and effect of the present utility model, the following is described in conjunction with the implementation manners and with reference to the accompanying drawings.

[0034] Please refer to Figure 1 and Figure 2 , a micro-speaker test tooling, comprising:

[0035] Base 1, a placement groove 11 is provided on the base 1, and a sound outlet 12 is provided on the bottom surface of the placement groove 11;

[0036] Pressing plate 2, a receiving groove 21 is provided on the top surface of the pressing plate 2, a through hole communicating with the placement groove 11 is provided on the bottom surface of the receiving groove 21, step structures 6 are respectively provided on the opposite sides of the receiving groove 21, the step structures 6 are located in the receiving groove 21, and fastening holes 62 are respectively provided on each step portion 61 of the step structures 6;

[0037] Cover plate 3, the cover plate 3 is arranged corresponding to the hollow area of the receiving groove 21;

[0038] Elastic pressure probe 4, the elastic pressure probe 4 is fixedly installed on the cover plate 3, and the bottom end of the elastic pressure probe 4 extends into the placement groove 11 through the through hole;

[0039] Stopper 5, the number of the stoppers 5 is two, the two stoppers 5 are arranged in one-to-one correspondence with the two step structures 6, and the bottom surface of one end of the stopper 5 abuts against the top surface of the cover plate 3;

[0040] Fastener, the fastener passes through the stopper 5 to connect the fastening hole 62;

[0041] When the fastener is matched with different fastening holes 62, the distance between the cover plate 3 and the bottom surface of the receiving groove 21 is different.

[0042] As can be seen from the above description, the beneficial effects of the present utility model are as follows: The structure of this micro-speaker testing tooling is novel. When the elastic pressure probe 4 touches the micro-speaker to be tested in the placement groove 11, its resilience will push up the cover plate 3. However, there is a stop block above the cover plate 3 to limit its upward movement, so the elastic pressure probe 4 will be compressed. When the stop block is on different stepped parts 61, the compression distance of the elastic pressure probe 4 will change, thereby causing the pressure provided by the elastic pressure probe 4 to change. Thus, the tester can test the performance of the micro-speaker under different pressure conditions, which can provide data support for the later design of the speaker module and the whole machine.

[0043] Further, the fastener is a screw, and the fastening hole 62 is a threaded hole.

[0044] As can be seen from the above description, choosing a screw as the fastener can facilitate the connection between the fastener and the pressing plate 2.

[0045] Further, in the stepped structure 6, the height difference between two adjacent stepped parts 61 is the same.

[0046] As can be seen from the above description, the cover plate 3 has high processing consistency and is convenient for the tester to query the pressure adjustment data.

[0047] Further, the base 1 is provided with a positioning groove 13 for positioning the pressing plate 2, and the placement groove 11 is located at the bottom surface of the positioning groove 13.

[0048] As can be seen from the above description, the existence of the positioning groove 13 facilitates the positioning and installation of the pressing plate 2.

[0049] Further, the cover plate 3 is provided with an elastic conduction probe 7 extending into the placement groove 11.

[0050] As can be seen from the above description, the elastic conduction probe 7 is used to energize the micro-speaker to be tested in the placement groove 11.

[0051] Further, the number of the elastic pressure probes 4 is multiple.

[0052] Further, the multiple elastic pressure probes 4 are arranged in at least one row.

[0053] Further, it further includes a baffle 8 and a quick chuck 9 provided on the baffle 8. The baffle 8 is provided with an installation groove 81 for installing the base 1. The installation groove 81 communicates with the bottom surface of the baffle 8 to expose the sound outlet 12, and the quick chuck 9 presses against the base 1.

[0054] As can be seen from the above description, the baffle 8 can be considered as a partial area or the entire area of a wall panel of a test speaker box for testing.

[0055] Furthermore, the number of the quick chucks 9 is multiple.

[0056] As can be seen from the above description, multiple quick chucks 9 can fix the base 1 more stably.

[0057] Embodiment 1

[0058] Please refer to Figure 1 and Figure 2 , Embodiment 1 of the present utility model is: a micro speaker testing tooling, including a base 1, a pressing plate 2, a cover plate 3, elastic pressure probes 4, stoppers 5 and fasteners. A placement groove 11 is provided on the base 1, and a sound outlet 12 is provided on the bottom surface of the placement groove 11. The placement groove 11 is used for placing the micro speaker to be tested, and the sounding surface of the micro speaker to be tested placed in the placement groove 11 faces the sound outlet 12; a receiving groove 21 is provided on the top surface of the pressing plate 2, a through hole communicating with the placement groove 11 is provided on the bottom surface of the receiving groove 21, stepped structures 6 are respectively provided on the opposite sides of the receiving groove 21, the stepped structures 6 are located in the receiving groove 21, and fastening holes 62 are respectively provided on each step portion 61 of the stepped structures 6; the cover plate 3 is arranged corresponding to the hollow area of the receiving groove 21, and the cover plate 3 is liftable relative to the pressing plate 2; the elastic pressure probes 4 are fixedly installed on the cover plate 3, and the bottom ends of the elastic pressure probes 4 extend into the placement groove 11 through the through hole; the number of the stoppers 5 is two, and the two stoppers 5 are arranged in one-to-one correspondence with the two stepped structures 6, and the bottom surface of one end of the stopper 5 abuts against the top surface of the cover plate 3; the fastener penetrates through the stopper 5 to connect with the fastening hole 62; when the fastener is matched with different fastening holes 62, the distance between the cover plate 3 and the bottom surface of the receiving groove 21 is different. In this embodiment, the fastener is a screw, and the fastening hole 62 is a threaded hole.

[0059] An elastic conduction probe 7 extending into the placement groove 11 is provided on the cover plate 3, and the elastic conduction probe 7 is used for conducting electricity for the micro speaker to be tested in the placement groove 11.

[0060] In this embodiment, the stepped structure 6 and the pressing plate 2 are an integral structure formed by integral processing. To improve the consistency of the manufacturing of the pressing plate 2, the height difference between two adjacent step portions 61 in the stepped structure 6 is the same. In other embodiments, the stepped structure 6 and the pressing plate 2 may also be a split structure, and during the assembly process of this micro speaker testing tooling, the stepped structure 6 and the pressing plate 2 are fixedly connected.

[0061] For the convenience of positioning and installing the pressing plate 2, a positioning groove 13 for positioning the pressing plate 2 is provided on the base 1. The placement groove 11 is located at the bottom surface of the positioning groove 13. It is easy to understand that the placement groove 11 communicates with the positioning groove 13.

[0062] Optionally, the number of the elastic pressure probes 4 is multiple, and the multiple elastic pressure probes 4 are arranged in at least one row. In this embodiment, the number of the elastic pressure probes 4 is six, and the six elastic pressure probes 4 are evenly divided into two rows.

[0063] The micro-speaker test tooling further includes a baffle 8 and a quick chuck 9 provided on the baffle 8. An installation groove 81 for installing the base 1 is provided on the baffle 8. The installation groove 81 communicates with the bottom surface of the baffle 8 to expose the sound outlet 12, and the quick chuck 9 presses against the base 1.

[0064] The number of the quick chucks 9 is multiple. In this embodiment, the number of the quick chucks 9 is two, and the two quick chucks 9 are arranged oppositely.

[0065] In summary, the micro-speaker test tooling provided by the present utility model has a novel structure. When the elastic pressure probe touches the micro-speaker to be tested in the placement groove, its rebounding force will lift the cover plate. However, there is a stop block above the cover plate for limiting, so that the cover plate cannot move upward. Therefore, the elastic pressure probe will be compressed. When the stop block is at different step parts, the compression distance of the elastic pressure probe will change, and further the pressure provided by the elastic pressure probe will change. Thus, the tester can test the performance of the micro-speaker under different pressure conditions, which can provide data support for the later design of the speaker module and the whole machine.

[0066] The above are only the embodiments of the present utility model, and thus do not limit the patent scope of the present utility model. Any equivalent transformation made by using the content of the specification and drawings of the present utility model, or directly or indirectly applied in the related technical field, shall be 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, and a sound outlet is provided on the bottom surface of the placement groove; A pressing plate, wherein a receiving groove is provided on the top surface of the pressing plate, a through hole communicating with the placement groove is provided on the bottom surface of the receiving groove, step structures are provided on opposite sides of the receiving groove, the step structures are located in the receiving groove, and fastening holes are provided on each step portion of the step structures; A cover plate, the cover plate is arranged corresponding to the hollow area of ​​the receiving groove; An elastic pressure probe, wherein the elastic pressure probe is fixedly mounted on the cover plate, and the bottom end of the elastic pressure probe extends into the placement groove through the through hole; A stopper, wherein the number of the stoppers is two, the two stoppers are arranged in one-to-one correspondence with the two step structures, and the bottom surface of one end of the stopper abuts against the top surface of the cover plate; A fastener, the fastener passes through the stopper and is connected to the fastening hole; When the fastener cooperates with different fastening holes, the distance between the cover plate and the bottom surface of the receiving groove is different.

2. The micro speaker test fixture according to claim 1, characterized in that: The fastener is a screw, and the fastening hole is a threaded hole.

3. The micro speaker test fixture according to claim 1, characterized in that: In the stepped structure, the height differences between two adjacent step portions are the same.

4. The micro speaker test fixture according to claim 1, characterized in that: The base is provided with a positioning groove for positioning the pressing plate, and the placement groove is located at the bottom surface of the positioning groove.

5. The micro speaker test fixture according to claim 1, characterized in that: The cover plate is provided with an elastic conducting probe extending into the placement groove.

6. The micro speaker test fixture according to claim 1, characterized in that: The number of the elastic pressure probes is multiple.

7. The micro speaker testing tool according to claim 6, characterized in that: The plurality of elastic pressure probes are arranged in at least one row.

8. The micro speaker testing tool according to claim 1, characterized in that: It also includes a baffle and a quick clamp arranged on the baffle, the baffle is provided with a mounting groove for mounting the base, the mounting groove is connected to the bottom surface of the baffle to expose the sound outlet, and the quick clamp presses the base.

9. The micro speaker test fixture according to claim 8, characterized in that: The number of the quick chucks is multiple.

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