Micro loudspeaker listening tool
By designing a fixed and sliding conduction probe structure with adjustable spacing, the problem of poor versatility of micro speaker listening tooling is solved, and a general testing of multiple micro speakers is realized, reducing costs.
Patent Information
- Application Number
- CN202421904812.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-07
- Publication Date
- 2025-08-05
- Estimated Expiration
- 2034-08-07
AI Technical Summary
The existing micro speaker listening tooling is poor in versatility, and multiple conduction probes with different spacing are required to prepare to suit different models of micro speakers, resulting in high cost and complex tooling management.
A micro speaker listening tool is designed, which includes a removable connection cover and housing, with a positioning cavity and a slide groove, and a fixed conduction probe and a sliding conduction probe are arranged in parallel, with adjustable spacing, and the probe spacing is adjusted and fixed through limit sliders and fastening screws.
The versatility test of different models of micro speakers has been achieved, which reduces the preparation and storage costs of the tooling, and improves the versatility and efficiency of the tooling.
Smart Images

Figure CN223194840U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of tooling and fixtures, in particular to a micro-speaker listening tooling. Background Art
[0002] With the popularity of mobile devices such as smartphones, the market demand for micro speakers continues to increase. The micro speakers used in smartphones are generally connected through an external FPC board. However, different phone models have different micro speakers. In particular, the spacing between the positive and negative pads on the external FPC board can vary. Therefore, the existing technology requires the preparation of multiple listening tools with different positive and negative probe distances to meet testing needs. This requires a lot of tooling production and storage costs. In other words, the existing micro speaker listening tooling has a problem of poor versatility. Utility Model Content
[0003] The technical problem to be solved by the utility model is to provide a micro-loudspeaker listening tool with strong versatility.
[0004] In order to solve the above technical problems, the technical solution adopted by the present invention is: a micro-speaker listening tool, comprising:
[0005] A main body, comprising a detachably connected cover and shell, a positioning cavity being provided at the boundary between the cover and the shell, the positioning cavity being in communication with one end of the main body, and a slide groove being provided at the other end of the main body for communicating with the outside world and the positioning cavity;
[0006] A fixed conductive probe, wherein the fixed conductive probe is fixedly mounted on the other end of the main body, one end of the fixed conductive probe extends into the positioning cavity, and the other end of the fixed conductive probe is exposed outside the main body;
[0007] a sliding conductive probe, wherein the sliding conductive probe can be slidably mounted on the sliding groove, one end of the sliding conductive probe extends into the positioning cavity, and the other end of the sliding conductive probe is exposed outside the main body;
[0008] The sliding conductive probe is arranged in parallel with the fixed conductive probe, and the distance between the sliding conductive probe and the fixed conductive probe is adjustable.
[0009] Furthermore, the cover body is provided with a first limiting groove connecting the outside and the sliding groove, and the sliding conductive probe is provided with a limiting slider, and a partial area of the limiting slider extends into the first limiting groove and is slidable along the first limiting groove.
[0010] Furthermore, the limiting slider is provided with a fastening screw hole and also includes a fastening screw that cooperates with the fastening screw hole, and the head of the fastening screw presses against the cover body to lock the position of the sliding conductive probe in the sliding groove.
[0011] Furthermore, the limiting slider is in the shape of a rectangle as a whole.
[0012] Furthermore, a second limiting groove is provided on one side of the shell body close to the cover body, and a partial area of the limiting sliding block extends into the second limiting groove and is slidable along the second limiting groove.
[0013] Furthermore, the second limiting groove is arranged corresponding to the first limiting groove.
[0014] Furthermore, the limiting slider is welded to the sliding conductive probe.
[0015] Furthermore, the positioning cavity includes a large diameter section and a small diameter section that are connected to each other, the end of the small diameter section away from the large diameter section is connected to one end of the main body, the end of the large diameter section away from the small diameter section is connected to the slide groove, and one end of the fixed conductive probe and one end of the fixed conductive probe both extend into the large diameter section.
[0016] The beneficial effects of the present invention are as follows: the structure of the micro-speaker listening tooling is simple and novel, the spacing between the positive pole conduction probe and the negative pole conduction probe is adjustable, and it can effectively adapt to a variety of epitaxial FPC boards of the same size with different spacings between the positive and negative pole pads, thereby realizing listening tests of a variety of micro-speakers, greatly improving the versatility, and helping to reduce the preparation cost and storage cost of the micro-speaker listening tooling. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a schematic structural diagram of the micro-speaker listening tooling according to the first embodiment of the present utility model;
[0018] Figure 2 This is a structural diagram of part of the structure of the micro-speaker listening tooling according to the first embodiment of the present invention.
[0019] Description of labels:
[0020] 1. Main body; 11. Cover; 111. First limiting groove; 12. Housing; 121. Second limiting groove; 13. Positioning cavity; 131. Large diameter section; 132. Small diameter section; 14. Slide groove;
[0021] 2. Fix the conductive probe;
[0022] 3. Sliding conduction probe; 31. Limit slider; 311. Fastening screw hole. DETAILED DESCRIPTION
[0023] In order to explain the technical content, achieved objectives and effects of the present invention in detail, the following description is given in conjunction with the embodiments and the accompanying drawings.
[0024] Please refer to Figure 1 and Figure 2 , a micro speaker listening tool, comprising:
[0025] The main body 1 includes a detachably connected cover 11 and a shell 12. A positioning cavity 13 is provided at the boundary between the cover 11 and the shell 12. The positioning cavity 13 communicates with one end of the main body 1. The other end of the main body 1 is provided with a slide groove 14 that connects the outside world with the positioning cavity 13.
[0026] A fixed conductive probe 2, wherein the fixed conductive probe 2 is fixedly mounted on the other end of the main body 1, with one end of the fixed conductive probe 2 extending into the positioning cavity 13 and the other end of the fixed conductive probe 2 exposed outside the main body 1;
[0027] A sliding conductive probe 3 , wherein the sliding conductive probe 3 is slidably mounted on the slide groove 14 , with one end of the sliding conductive probe 3 extending into the positioning cavity 13 and the other end of the sliding conductive probe 3 exposed from the main body 1 ;
[0028] The sliding conductive probe 3 is arranged in parallel with the fixed conductive probe 2 , and the distance between the sliding conductive probe 3 and the fixed conductive probe 2 is adjustable.
[0029] From the above description, it can be seen that the beneficial effects of the present invention are: the structure of the micro-speaker listening tooling is simple and novel, the distance between the positive pole conduction probe and the negative pole conduction probe is adjustable, and it can effectively adapt to a variety of epitaxial FPC boards of the same size with different distances between the positive and negative pole pads, thereby realizing the listening test of a variety of micro-speakers, greatly improving the versatility, and helping to reduce the preparation cost and storage cost of the micro-speaker listening tooling.
[0030] Furthermore, the cover body 11 is provided with a first limiting groove 111 connecting the outside and the slide groove 14, and the sliding conductive probe 3 is provided with a limiting slider 31, and a partial area of the limiting slider 31 extends into the first limiting groove 111 and can slide along the first limiting groove 111.
[0031] As can be seen from the above description, the setting of the limiting slider 31 can prevent the sliding conductive probe 3 from accidentally detaching from the main body 1 and being lost. At the same time, the cooperation between the limiting slider 31 and the first limiting groove 111 can make the sliding conductive probe 3 slide more smoothly.
[0032] Furthermore, the limiting slider 31 is provided with a fastening screw hole 311 and also includes a fastening screw that cooperates with the fastening screw hole 311 , and the head of the fastening screw presses against the cover body 11 to lock the position of the sliding conductive probe 3 in the sliding groove 14 .
[0033] As can be seen from the above description, the cooperation between the fastening screw and the fastening screw hole 311 can prevent the sliding conductive probe 3 from sliding unexpectedly so that the epitaxial FPC board cannot be normally powered on.
[0034] Furthermore, the limiting slider 31 is in a rectangular shape as a whole.
[0035] As can be seen from the above description, the limiting sliding block 31 in a rectangular shape is easy to manufacture.
[0036] Furthermore, a second limiting groove 121 is provided on one side of the housing 12 close to the cover 11 , and a portion of the limiting slider 31 extends into the second limiting groove 121 and is slidable along the second limiting groove 121 .
[0037] It can be seen from the above description that the cooperation between the second limiting groove 121 and the limiting slider 31 can enable the sliding conductive probe 3 to slide more smoothly.
[0038] Furthermore, the second limiting groove 121 is provided corresponding to the first limiting groove 111 .
[0039] Furthermore, the limiting slider 31 is welded to the sliding conductive probe 3 .
[0040] It can be seen from the above description that the connection method between the limiting slider 31 and the sliding conductive probe 3 is simple and reliable.
[0041] Furthermore, the positioning cavity 13 includes a large diameter section 131 and a small diameter section 132 that are connected to each other, the end of the small diameter section 132 away from the large diameter section 131 is connected to one end of the main body 1, the end of the large diameter section 131 away from the small diameter section 132 is connected to the slide groove 14, and one end of the fixed conductive probe 2 and one end of the fixed conductive probe 2 both extend into the large diameter section 131.
[0042] As can be seen from the above description, the positioning cavity 13 is used to position the epitaxial FPC board of the micro speaker, and the specific shape of the positioning cavity 13 is adapted to the epitaxial FPC board.
[0043] Example 1
[0044] Please refer to Figure 1 and Figure 2, the first embodiment of the present invention is: a micro-speaker listening tool, including a main body 1, a fixed conductive probe 2 and a sliding conductive probe 3, the main body 1 includes a detachably connected cover 11 and a shell 12, a positioning cavity 13 is provided at the boundary between the cover 11 and the shell 12, the positioning cavity 13 is connected to one end of the main body 1, the positioning cavity 13 is used to locate the epitaxial FPC board of the micro-speaker to be tested, and the other end of the main body 1 is provided with a slide groove 14 connecting the outside world and the positioning cavity 13; the fixed conductive probe 2 is fixedly mounted on the main body 1 At the other end, one end of the fixed conductive probe 2 extends into the positioning cavity 13, and the other end of the fixed conductive probe 2 is exposed to the main body 1; the sliding conductive probe 3 can be slidably installed at the slide groove 14, and one end of the sliding conductive probe 3 extends into the positioning cavity 13, and the other end of the sliding conductive probe 3 is exposed to the main body 1; the sliding conductive probe 3 is arranged parallel to the fixed conductive probe 2, and by sliding the sliding conductive probe 3 along the slide groove 14, the distance between the sliding conductive probe 3 and the fixed conductive probe 2 can be adjusted.
[0045] The specific connection methods between the cover 11 and the housing 12 include but are not limited to screw connection, snap connection, magnetic connection, etc.
[0046] The cover body 11 is provided with a first limiting groove 111 connecting the outside and the sliding groove 14 , and the sliding conductive probe 3 is provided with a limiting slider 31 , a part of the limiting slider 31 extends into the first limiting groove 111 and can slide along the first limiting groove 111 .
[0047] In this embodiment, a fastening screw hole 311 is provided on the limiting slider 31, and the micro-speaker listening tool also includes a fastening screw (not shown) that cooperates with the fastening screw hole 311. The head of the fastening screw presses against the cover body 11 to lock the position of the sliding conductive probe 3 in the slide groove 14. Specifically, when the fastening screw is tightened, the sliding conductive probe 3 contacts the cover body 11.
[0048] Optionally, the limiting slider 31 is in a rectangular shape as a whole; the limiting slider 31 is welded to the sliding conductive probe 3 .
[0049] In order to allow the sliding conductive probe 3 to slide more smoothly, in this embodiment, a second limiting groove 121 is provided on the side of the shell 12 close to the cover body 11, and a partial area of the limiting slider 31 extends into the second limiting groove 121 and can slide along the second limiting groove 121. The second limiting groove 121 is set corresponding to the first limiting groove 111.
[0050] The positioning cavity 13 includes a large diameter section 131 and a small diameter section 132 that are connected to each other. The end of the small diameter section 132 away from the large diameter section 131 is connected to one end of the main body 1, and the end of the large diameter section 131 away from the small diameter section 132 is connected to the slide groove 14. One end of the fixed conductive probe 2 and one end of the fixed conductive probe 2 both extend into the large diameter section 131.
[0051] To sum up, the micro-speaker listening tooling provided by the present invention has a simple and novel structure, and the spacing between the positive pole conduction probe and the negative pole conduction probe is adjustable. It can effectively adapt to multiple epitaxial FPC boards of the same size with different spacing between the positive and negative pole pads, thereby realizing the listening test of multiple micro-speakers, greatly improving the versatility, and helping to reduce the preparation cost and storage cost of the micro-speaker listening tooling.
[0052] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent transformations made using the contents of the description and drawings of the present invention, or directly or indirectly applied in the relevant technical field, are also included in the patent protection scope of the present invention.
Claims
1. A micro speaker listening tool, characterized in that: include A main body, comprising a detachably connected cover and shell, a positioning cavity being provided at the boundary between the cover and the shell, the positioning cavity being in communication with one end of the main body, and a slide groove being provided at the other end of the main body for communicating with the outside world and the positioning cavity; A fixed conductive probe, wherein the fixed conductive probe is fixedly mounted on the other end of the main body, one end of the fixed conductive probe extends into the positioning cavity, and the other end of the fixed conductive probe is exposed outside the main body; a sliding conductive probe, wherein the sliding conductive probe can be slidably mounted on the sliding groove, one end of the sliding conductive probe extends into the positioning cavity, and the other end of the sliding conductive probe is exposed outside the main body; The sliding conductive probe is arranged in parallel with the fixed conductive probe, and the distance between the sliding conductive probe and the fixed conductive probe is adjustable.
2. The micro-speaker listening tooling according to claim 1, characterized in that: The cover body is provided with a first limiting groove connecting the outside and the sliding groove, and the sliding conductive probe is provided with a limiting slider, and a part of the limiting slider extends into the first limiting groove and is slidable along the first limiting groove.
3. The micro-speaker listening tooling according to claim 2, characterized in that: The limiting sliding block is provided with a fastening screw hole and also includes a fastening screw matched with the fastening screw hole, and the head of the fastening screw presses against the cover body to lock the position of the sliding conductive probe in the sliding groove.
4. The micro-speaker listening tooling according to claim 2, characterized in that: The limiting sliding block is in a rectangular shape as a whole.
5. The micro-speaker listening tooling according to claim 2, characterized in that: A second limiting groove is provided on one side of the shell body close to the cover body, and a partial area of the limiting sliding block extends into the second limiting groove and is slidable along the second limiting groove.
6. The micro-speaker listening tooling according to claim 5, characterized in that: The second limiting groove is arranged corresponding to the first limiting groove.
7. The micro-speaker listening tooling according to claim 2, characterized in that: The limiting slider is welded to the sliding conductive probe.
8. The micro-speaker listening tooling according to claim 1, characterized in that: The positioning cavity includes a large diameter section and a small diameter section that are connected to each other. The end of the small diameter section away from the large diameter section is connected to one end of the main body, and the end of the large diameter section away from the small diameter section is connected to the slide groove. One end of the fixed conductive probe and one end of the fixed conductive probe both extend into the large diameter section.