Testing tool

Abstract

The utility model discloses a test tool, comprising a pedestal, a cover plate, a slide block and a reset member, the pedestal is provided with a placing groove used for placing a loudspeaker monomer to be tested, the bottom surface of the placing groove is provided with a sound outlet, and the pedestal is provided with a through hole communicated with the placing groove; the first side of the cover plate is rotatably connected with the base, the cover plate is provided with a window and an abutting probe, the window is arranged close to the first side, and the abutting probe is arranged corresponding to the placing groove; the sliding block is arranged on the base in a sliding mode, the sliding block is connected with a linkage block, a conduction probe is arranged on the sliding block, and one end of the conduction probe extends into the containing groove through the through hole; the reset piece makes contact with the sliding block and the base to drive the sliding block to move in the direction away from the containing groove. When the cover plate is rotated and covered, the edge of the window abuts against the linkage block so as to drive the sliding block to move in the direction close to the containing groove. The test tool is novel in structure, is suitable for the test of the loudspeaker monomer to be tested with the conduction bonding pad at the side edge, and fills the market vacancy. And the cover plate is linked with the sliding block, so that the test efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of auxiliary devices for testing electroacoustic devices, in particular to a testing tool. Background Art

[0002] At present, the conductive pads of most speaker units are set parallel to the diaphragm surface. Therefore, in the test tooling used to assist in testing the speaker units, the conductive probe and the pressure probe are often located on the same side of the speaker unit to be tested. The conductive probe is used to contact the conductive pad to supply power to the conductive pad, while the pressure probe is used to press the magnetic circuit assembly of the speaker unit to be tested to ensure the airtightness between the diaphragm surface of the speaker unit to be tested and the contact surface of the test tooling.

[0003] However, as portable electronic devices such as mobile phones and smart watches have become thinner and lighter, the structure of some speaker units has changed. Among them, setting the conductive pad on the side of the speaker unit is a new design. However, there is currently a lack of test tooling that is compatible with this type of speaker unit. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a testing tool suitable for a conductive pad located on the side of a speaker unit to be tested.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is: a test tool, comprising:

[0006] A base, wherein the base is provided with a placement groove for placing the speaker unit to be tested, the bottom surface of the placement groove is provided with a sound outlet, and the base has a through hole communicating with the placement groove;

[0007] a cover plate, wherein a first side of the cover plate is rotatably connected to the base, and a window and a pressure probe are provided on the cover plate, wherein the window is provided near the first side, and the pressure probe is provided corresponding to the placement groove;

[0008] A slider, the slider being slidably disposed on the base, the slider being connected to a linkage block, the slider being provided with a conducting probe, one end of the conducting probe extending into the placement groove through the through hole;

[0009] a reset member, the reset member contacting the slider and the base to drive the slider to move in a direction away from the placement groove;

[0010] When the cover plate is rotated to cover, the edge of the window contacts the linkage block to drive the slider to move toward the placement slot.

[0011] Furthermore, a avoidance surface is provided on the top of the linkage block, and the avoidance surface is located on a side of the linkage block close to the placement groove.

[0012] Furthermore, the slider and the linkage block are an integral structure formed by integral processing, or the slider and the linkage block are a split structure.

[0013] Furthermore, a guide rod is provided on the base, the axial direction of the guide rod is consistent with the axial direction of the conducting probe, a guide hole matching the guide rod is provided on the slider, and the reset member is a spring sleeved on the guide rod.

[0014] Furthermore, a first sealing gasket for contacting the base is provided on a side of the sliding block close to the placement groove.

[0015] Furthermore, a second sealing gasket is provided on the top surface of the base for contacting the cover plate, and the second sealing gasket has a window provided corresponding to the placement groove.

[0016] Furthermore, a mounting groove is provided on the base, and the slider can be slidably installed in the mounting groove.

[0017] Furthermore, an operating groove is provided at the boundary between the base and the cover.

[0018] Furthermore, a first axial hole is provided on the cover plate, and a second axial hole corresponding to the first axial hole is provided on the base. The first axial hole is arranged close to the second side of the cover plate, and the second side is opposite to the first side. A pin shaft is also included. When the cover plate is closed, one end of the pin shaft is inserted into the second axial hole through the first axial hole.

[0019] Furthermore, it also includes an elastic lock buckle provided on the cover plate, a buckle groove cooperating with the elastic lock buckle is provided on the side wall of the base, and the elastic lock buckle is arranged away from the first side.

[0020] The beneficial effects of the present invention are: the test tooling has a novel structure and is suitable for testing speaker units to be tested whose conductive pads are on the side, filling a market gap; the cover plate and the slider can be linked, which is beneficial to simplifying the operator's operating steps, thereby improving test efficiency and reducing test costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic structural diagram of the test fixture of Example 1 of the present utility model;

[0022] Figure 2 This is a cross-sectional view of the test fixture of Example 1 of the present utility model;

[0023] Figure 3This is a schematic structural diagram of a portion of the test fixture according to the first embodiment of the present invention;

[0024] Figure 4 This is a schematic structural diagram of the test tooling of the second embodiment of the present utility model.

[0025] Description of labels:

[0026] 1. Base; 11. Placement slot; 12. Sound outlet; 13. Through hole; 14. Installation slot; 15. Operation slot; 16. Buckle slot;

[0027] 2. Cover plate; 21. Window; 22. Pressure probe;

[0028] 3. Slider; 31. Conductive probe;

[0029] 4. Linkage block; 41. Avoidance surface;

[0030] 5. Guide rod;

[0031] 61. First sealing gasket; 62. Second sealing gasket;

[0032] 7. Pin;

[0033] 8. Elastic lock;

[0034] 9. Speaker unit to be tested; 91. Conductive pad. DETAILED DESCRIPTION

[0035] 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.

[0036] Please refer to Figures 1 to 4 , a test fixture, comprising:

[0037] A base 1 is provided with a placement groove 11 for placing the speaker unit 9 to be tested, a sound outlet 12 is provided on the bottom surface of the placement groove 11, and the base 1 has a through hole 13 connected to the placement groove 11;

[0038] a cover plate 2, wherein a first side of the cover plate 2 is rotatably connected to the base 1, and a window 21 and a pressure probe 22 are provided on the cover plate 2, wherein the window 21 is provided near the first side, and the pressure probe 22 is provided corresponding to the placement groove 11;

[0039] A slider 3 is slidably mounted on the base 1 and connected to a linkage block 4. A conductive probe 31 is mounted on the slider 3, and one end of the conductive probe 31 extends into the placement groove 11 through the through hole 13.

[0040] a reset member, the reset member contacts the slider 3 and the base 1 to drive the slider 3 to move away from the placement groove 11;

[0041] When the cover plate 2 is rotated to close, the edge of the window 21 abuts against the linkage block 4 to drive the slider 3 to move toward the placement groove 11 .

[0042] From the above description, it can be seen that the beneficial effects of the present invention are: the test tooling has a novel structure and is suitable for testing the speaker unit 9 to be tested with the conductive pad 91 on the side, filling the market gap; the cover plate 2 and the slider 3 can be linked, which is beneficial to simplify the operator's operating steps, thereby improving test efficiency and reducing test costs.

[0043] Furthermore, a relief surface 41 is provided on the top of the linkage block 4 , and the relief surface 41 is located on a side of the linkage block 4 close to the placement slot 11 .

[0044] As can be seen from the above description, the avoidance surface 41 can prevent the linkage block 4 from accidentally colliding with the cover plate 2, which is beneficial to ensuring the stability of the test fixture.

[0045] Furthermore, the slider 3 and the linkage block 4 are an integral structure formed by integral processing, or the slider 3 and the linkage block 4 are a split structure.

[0046] From the above description, it can be seen that this test tooling has relatively rich diversity.

[0047] Furthermore, a guide rod 5 is provided on the base 1 , the axial direction of the guide rod 5 is consistent with the axial direction of the conductive probe 31 , a guide hole matching the guide rod 5 is provided on the slider 3 , and the reset member is a spring sleeved on the guide rod 5 .

[0048] It can be seen from the above description that under the guidance of the guide rod 5, the slider 3 can slide more smoothly on the base 1. At the same time, the guide rod 5 can also provide an installation position for the reset member.

[0049] Furthermore, a first sealing gasket 61 for contacting the base 1 is provided on a side of the slider 3 close to the placement groove 11 .

[0050] It can be seen from the above description that the provision of the first sealing gasket 61 can improve the air tightness of the test fixture and prevent the air inside the test fixture from escaping through the through hole 13 .

[0051] Furthermore, a second sealing gasket 62 for contacting the cover plate 2 is provided on the top surface of the base 1 , and the second sealing gasket 62 has a window provided corresponding to the placement groove 11 .

[0052] It can be seen from the above description that the provision of the second sealing gasket 62 can improve the air tightness of the test fixture and prevent the air inside the test fixture from escaping through the gap between the cover plate 2 and the base 1 .

[0053] Furthermore, a mounting groove 14 is provided on the base 1 , and the slider 3 can be slidably installed in the mounting groove 14 .

[0054] It can be seen from the above description that the provision of the mounting slot 14 can simplify the structure of the test fixture, so that the test fixture can be kept small.

[0055] Furthermore, an operating groove 15 is provided at the boundary between the base 1 and the cover 2 .

[0056] As can be seen from the above description, the tester can use the operating slot 15 to more smoothly operate the cover plate 2 to rotate and open the test tool.

[0057] Furthermore, a first axial hole is provided on the cover plate 2, and a second axial hole corresponding to the first axial hole is provided on the base 1. The first axial hole is arranged close to the second side of the cover plate 2, and the second side is opposite to the first side. It also includes a pin shaft 7. When the cover plate 2 is closed, one end of the pin shaft 7 is inserted into the second axial hole through the first axial hole.

[0058] As can be seen from the above description, the cover plate 2 and the base 1 are locked by the pin 7 , so that the pressing probe 22 can press the speaker unit 9 to be tested more stably.

[0059] Furthermore, it also includes an elastic lock buckle 8 provided on the cover plate 2, and a buckle groove 16 that cooperates with the elastic lock buckle 8 is provided on the side wall of the base 1, and the elastic lock buckle 8 is arranged away from the first side.

[0060] As can be seen from the above description, the elastic lock 8 is used to lock the base 1 and the cover 2, so that the pressing probe 22 can more stably press the speaker unit 9 to be tested. At the same time, the elastic lock 8 is more convenient for the tester to operate.

[0061] Example 1

[0062] Please refer to Figures 1 to 3, Embodiment 1 of the present utility model is: a test fixture, comprising a base 1, a cover plate 2, a slider 3 and a reset member (not shown in the figure), the base 1 is provided with a placement groove 11 for placing the speaker unit 9 to be tested, the conductive pad 91 of the speaker unit 9 to be tested is located on the side, the bottom surface of the placement groove 11 is provided with a sound outlet 12, the diaphragm surface of the speaker unit 9 to be tested in the placement groove 11 corresponds to the sound outlet 12, the base 1 has a through hole 13 connected to the placement groove 11; the first side of the cover plate 2 is rotatably connected to the base 1, the cover plate 2 is provided with a window 21 and a pressure probe 22, the pressure probe 22 is arranged corresponding to the placement groove 11, the pressure probe 22 is provided The probe 22 is used to press the speaker unit 9 to be tested in the placement groove 11, and the window 21 is arranged close to the first side; the slider 3 can be slidably arranged on the base 1, and the slider 3 is connected to the linkage block 4. The slider 3 is provided with a conductive probe 31, and one end of the conductive probe 31 extends into the placement groove 11 through the through hole 13 to contact the conductive pad 91 of the speaker unit 9 to be tested; the reset member contacts the slider 3 and the base 1 to drive the slider 3 to move away from the placement groove 11; when the cover plate 2 is rotated to cover, the edge of the window 21 contacts the linkage block 4 to drive the slider 3 to move toward the placement groove 11.

[0063] To ensure that the cover plate 2 can be smoothly covered on the base 1, in this embodiment, a avoidance surface 41 is provided on the top of the linkage block 4. The avoidance surface 41 is located on the side of the linkage block 4 close to the placement groove 11. The avoidance surface 41 can be a slope, a curved surface, a step surface, etc.

[0064] In some embodiments, the slider 3 and the linkage block 4 are an integral structure that is integrally processed and formed. In this embodiment, the slider 3 and the linkage block 4 are split structures, and the two are fastened together by screws. In other embodiments, the slider 3 and the linkage block 4 can also be fixedly connected by means of adhesive connection, snap connection, etc.

[0065] A guide rod 5 is provided on the base 1 , and the axial direction of the guide rod 5 is consistent with the axial direction of the conductive probe 31 . A guide hole matching the guide rod 5 is provided on the slider 3 . In this embodiment, the reset member is a spring sleeved on the guide rod 5 .

[0066] In order to ensure the sealing of the test tooling and improve the accuracy of the test results, the slider 3 is provided with a first sealing gasket 61 for contacting the base 1 on the side close to the placement groove 11; the top surface of the base 1 is provided with a second sealing gasket 62 for contacting the cover plate 2, and the second sealing gasket 62 has a window set corresponding to the placement groove 11.

[0067] In this embodiment, a mounting groove 14 is provided on the base 1 , and the slider 3 can be slidably installed in the mounting groove 14 .

[0068] Optionally, an operating groove 15 is provided at the boundary between the base 1 and the cover plate 2. In this embodiment, the operating groove 15 is provided on the base 1 and communicates with the top surface of the base 1. In other embodiments, the operating groove 15 may also be provided on the cover plate 2, or a portion of the operating groove 15 may be provided on the cover plate 2 and another portion may be provided on the base 1.

[0069] In this embodiment, a first axial hole is provided on the cover plate 2, and a second axial hole corresponding to the first axial hole is provided on the base 1. The first axial hole is arranged close to the second side of the cover plate 2, and the second side is opposite to the first side. The test tool also includes a pin shaft 7. When the cover plate 2 is closed, one end of the pin shaft 7 is inserted into the second axial hole through the first axial hole.

[0070] Example 2

[0071] Please refer to Figure 4 The second embodiment of the present invention is a parallel technical solution of the first embodiment, and is different from the first embodiment in that the test tool also includes an elastic lock buckle 8 provided on the cover plate 2, and a buckle groove 16 that cooperates with the elastic lock buckle 8 is provided on the side wall of the base 1, and the elastic lock buckle 8 is arranged away from the first side.

[0072] To sum up, the test tooling provided by the present invention has a novel structure and is suitable for testing speaker units to be tested with conductive pads on the side, filling a gap in the market; the cover plate and the slider can be linked, which is conducive to simplifying the operator's operating steps, thereby improving test efficiency and reducing test costs.

[0073] 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 test tool, characterized in that: include A base, wherein the base is provided with a placement groove for placing the speaker unit to be tested, the bottom surface of the placement groove is provided with a sound outlet, and the base has a through hole communicating with the placement groove; a cover plate, wherein a first side of the cover plate is rotatably connected to the base, and a window and a pressure probe are provided on the cover plate, wherein the window is provided near the first side, and the pressure probe is provided corresponding to the placement groove; A slider, the slider being slidably disposed on the base, the slider being connected to a linkage block, the slider being provided with a conducting probe, one end of the conducting probe extending into the placement groove through the through hole; a reset member, the reset member contacting the slider and the base to drive the slider to move in a direction away from the placement groove; When the cover plate is rotated to cover, the edge of the window contacts the linkage block to drive the slider to move toward the placement slot.

2. The test fixture according to claim 1, characterized in that: A avoidance surface is provided on the top of the linkage block, and the avoidance surface is located on a side of the linkage block close to the placement slot.

3. The test fixture according to claim 1, characterized in that: The slider and the linkage block are an integral structure formed by integral processing, or the slider and the linkage block are a split structure.

4. The test fixture according to claim 1, characterized in that: A guide rod is provided on the base, the axial direction of the guide rod is consistent with the axial direction of the conducting probe, a guide hole matching the guide rod is provided on the slider, and the reset member is a spring sleeved on the guide rod.

5. The test fixture according to claim 1, characterized in that: A first sealing gasket for contacting the base is provided on one side of the sliding block close to the placement groove.

6. The test fixture according to claim 1, characterized in that: The top surface of the base is provided with a second sealing gasket for contacting the cover plate, and the second sealing gasket has a window arranged corresponding to the placement groove.

7. The test fixture according to claim 1, characterized in that: The base is provided with a mounting groove, and the slider can be slidably installed in the mounting groove.

8. The test fixture according to claim 1, characterized in that: An operating groove is provided at the boundary between the base and the cover plate.

9. The test fixture according to claim 1, characterized in that: The cover plate is provided with a first axial hole, and the base is provided with a second axial hole corresponding to the first axial hole. The first axial hole is arranged close to the second side of the cover plate, and the second side is opposite to the first side. It also includes a pin shaft. When the cover plate is closed, one end of the pin shaft is inserted into the second axial hole through the first axial hole.

10. The test fixture according to claim 1, characterized in that: It also includes an elastic lock buckle arranged on the cover plate, a buckle groove matched with the elastic lock buckle is provided on the side wall of the base, and the elastic lock buckle is arranged away from the first side.

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