CN219536314U

CN219536314U - Double-silicon microphone test fixture

Info

Publication number: CN219536314U
Application number: CN202320376101.3U
Authority: CN
Inventors: 白云飞; 苑红连
Original assignee: Xingkedi Technology Taizhou Co ltd
Current assignee: Xingkedi Technology Taizhou Co ltd
Priority date: 2023-03-03
Filing date: 2023-03-03
Publication date: 2023-08-15
Anticipated expiration: 2033-03-03

Abstract

The utility model provides a double-silicon microphone testing tool, which is characterized in that: the left stop block, the right stop block and the top tongue guide block are fixed on the upper surface of the fixed plate; the upper pressing block and the lower pressing block are fixed on the upper surface of the fixed plate and positioned in front of the top tongue guide block; the groove on the lower surface of the upper pressing block and the groove on the upper surface of the lower pressing block are combined into a top tongue channel, and the top tongue channel is communicated with a top tongue guide hole in the form of a groove on the front surface of the top tongue guide block; the top tongue passes through the top tongue channel, the rear part of the top tongue is inserted into the top tongue guide hole and abuts against the reset spring in the top tongue guide hole, and the front part of the top tongue extends out of the front part of the top tongue channel and is provided with an inclined surface facing obliquely forwards; the slide block guide plate provided with a left chute and a right chute is fixed on the lower surface of the fixed plate; the sliding block is slidably inserted into the sliding groove, and a fixing rod penetrates through a vertical through hole formed in the sliding block and then extends out of the lower surface of the sliding block. The utility model improves the testing precision and the testing efficiency of the microphone product.

Description

Double-silicon microphone test fixture

Technical Field

The utility model relates to sound production equipment, in particular to a double-silicon microphone testing tool.

Background

At present, a worker usually holds a product by one hand during the function test of the double-silicon microphone, two sound collecting ports of the product are respectively aligned with the sounder, and the other hand presses a test key.

Disclosure of Invention

The utility model provides a double-silicon microphone testing tool, which aims to solve the defects of the prior art and improve the testing precision and the testing efficiency.

The technical scheme adopted for solving the technical problems is as follows:

a double-silicon microphone test fixture is characterized in that:

the left stop block, the right stop block and the top tongue guide block are fixed on the upper surface of the fixed plate;

the upper pressing block and the lower pressing block are fixed on the upper surface of the fixed plate and positioned in front of the top tongue guide block;

the groove on the lower surface of the upper pressing block and the groove on the upper surface of the lower pressing block are combined into a top tongue channel, and the top tongue channel is communicated with a top tongue guide hole in the form of a groove on the front surface of the top tongue guide block;

the top tongue passes through the top tongue channel, the rear part of the top tongue is inserted into the top tongue guide hole and abuts against the reset spring in the top tongue guide hole, and the front part of the top tongue extends out of the front part of the top tongue channel and is provided with an inclined surface facing obliquely forwards;

the front stop block is fixed on the upper surface of the fixed plate and positioned in front of the top tongue channel;

the slide block guide plate provided with a left chute and a right chute is fixed on the lower surface of the fixed plate;

the sliding block is slidably inserted into the sliding groove, and a fixing rod penetrates through a vertical through hole formed in the sliding block and then extends out of the lower surface of the sliding block.

The cross section of the front part of the top tongue is smaller than that of the rear part of the top tongue, and the cross section of the top tongue channel is smaller than that of the top tongue guide hole.

The left side of the chute is provided with an opening, and the slide block is fixed on the slide block guide plate by a screw and blocks the opening on the left side of the chute.

The section of the sliding groove is T-shaped, the section of the sliding block is T-shaped, and the sliding block can be slidably inserted into the sliding groove and is supported on the sliding groove.

The fixed plate and the sounder are respectively installed on two support columns of the base, the fixed rod is inserted into a mounting hole formed in the upper surface of one support column, the lower support wing of the microphone product is inserted into a gap between the front stop block and the top tongue, the top tongue is propped by the reset spring, the top tongue and the front stop block clamp the microphone product, and two sound collecting ports of the microphone product face the sounder.

The fixing rod is a screw, the mounting hole is a screw hole, and the screw rod of the screw is screwed into the fixing mounting hole.

The utility model has the advantages that:

according to the utility model, the product positioning and fixing effects are realized, the original manual product holding and aligning sounder testing mode is replaced, two sound collecting ports of the product can be aligned with sounders to be tested accurately through left-right sliding limiting, and the product can be clamped to be tested through the tongue pushing device, so that the defects brought by the manual product holding test of staff are overcome, the consistency of the testing result, namely the testing precision is ensured, the continuous test is facilitated, and the testing efficiency is improved.

Drawings

The utility model will be further described with reference to the drawings and examples.

FIG. 1 is a perspective view of the present utility model in use;

FIG. 2 is a perspective view of the utility model in an oblique top view;

FIG. 3 is a perspective view of the utility model in a obliquely-upward state;

fig. 4 is an exploded perspective view of the present utility model.

Detailed Description

In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other embodiments may be obtained according to these drawings without inventive effort for a person skilled in the art. In order that the utility model may be readily understood, a more particular description thereof will be rendered by reference to specific embodiments that are illustrated in the appended drawings.

It will be understood that when an element is referred to as being "fixed" to another element, it can be directly on the other element or intervening elements may be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or one or more intervening elements may be present therebetween. The terms "upper," "lower," "inner," "outer," "bottom," and the like as used in this specification are used in an orientation or positional relationship based on that shown in the drawings, merely to facilitate the description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 2, 3 and 4:

the test fixture 300 comprises a right stop block 1 and a left stop block 2 which are positioned at the left side and the right side and are fixed on the upper surface of a fixed plate 6 by screws.

The top tongue guide block 10 is fixed on the upper surface of the fixed plate 6 by screws.

The upper pressing block 3 and the lower pressing block 4 below the upper pressing block are fixed on the upper surface of the fixed plate 6 by screws and are positioned in front of the top tongue guide block 10.

The recess 31 of the lower surface of the upper press block 3 and the recess 41 of the upper surface of the lower press block 4 are combined into a tongue passage which communicates with the tongue guide hole 17 in the form of a recess of the front surface of the tongue guide block 10.

The top tongue 9 passes through the top tongue channel, and the rear part of the top tongue 9 is inserted into the top tongue guide hole 17 and abuts against the return spring in the top tongue guide hole 17, and the front part of the top tongue 9 protrudes forward of the top tongue channel and has a slope 91 facing obliquely forward.

The front section of the top tongue 9 is smaller than the rear section of the top tongue 9, and the cross section of the top tongue channel is smaller than the cross section of the top tongue guide hole 17, so that the rear section of the top tongue 9 is blocked in the top tongue guide hole 17 and cannot fall out.

The front stop 5 is fixed on the upper surface of the fixed plate 6 by screws and is positioned in front of the top tongue channel.

The slide guide plate 8 is screwed on the lower surface of the fixed plate 6, a left-right sliding groove 81 with a left opening is formed in the slide guide plate 8, and the slide block 11 is screwed on the slide guide plate 8 and blocks the left opening of the sliding groove 81.

The cross section of the sliding slot 81 is of a two-step type with a wide upper part and a narrow lower part, namely, the cross section of the sliding slot 81 is of a T shape, and a sliding block 7 with a T-shaped cross section is slidably inserted into the sliding slot 81 and is supported on the sliding slot 81.

The slider 7 has a vertical second-order hole 71, and the screw 16 is inserted into the second-order hole 71 with its screw head accommodated in the large-diameter hole, and the screw shaft is passed through the small-diameter hole to protrude from the lower surface of the slider 7.

As shown in fig. 1, 2, 3 and 4:

two support columns 101 are fixed on the base 100, the screw rod of the screw 16 is screwed and fixed in a screw hole formed in the upper surface of one support column 101, and the sounder 200 is fixed on the other support column 101.

The lower leg 403 of the microphone product 400 is inserted into the gap between the front stopper 5 and the top tongue 9, and when inserted, the top tongue 9 is retracted toward the top tongue guide block 17 because the inclined surface 91 is pressed, and the return spring abuts against the top tongue 9 so that the top tongue 9 and the front stopper 5 clamp the microphone product 400.

After the staff puts the microphone product 400 into the test fixture 300, the two sound collection ports 401 and 402 of the microphone product 400 face the sounder 200. The test fixture 300 is slid left and right, so that the slide block 7 is matched with the slide groove 81, and the test fixture 300 moves left and right on the slide block 7 relative to the support column 101 together with the microphone product 400 except other parts of the slide block 7, so that the two sound collecting ports 401 and 402 of the microphone product 400 are respectively aligned with the sounder for testing.

The right stop block 1, the left stop block 2, the upper pressing block 3 and the lower pressing block 4 are sequentially fixed on the fixed plate 6 to realize clamping and fixing of the microphone product 400; the top tongue 9 is arranged in the top tongue guide plate 10 and is fixed on the fixed plate 6 to realize the function of taking and placing the microphone product 400, and the top tongue 9 props against the reset spring, so that the finished microphone product 400 is conveniently taken and placed by the rebound function, the top tongue 9 plays a clamping role after the microphone product 400 is placed, and the front part of the top tongue 9 is of a slope structure so as to be convenient for taking and placing the microphone product 400; the sliding block 7 is placed in the sliding groove 81 of the sliding block guide plate 8, the sliding block stop block 11 is fixed on the sliding block guide plate 8, and the sliding position of the limiting sliding block 7 is achieved, so that the left-right limiting sliding of the microphone product 400 is achieved. Finally, the test fixture 300 and the sounder 200 are respectively installed on the two support columns 101 of the base 100, the two sound collecting ports 401 and 402 of the microphone product 400 are respectively aligned with the sounder 200 to perform microphone function test through test software, and all the components are skid blocks and are fixed through screws.

In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A double-silicon microphone test fixture is characterized in that: the left stop block, the right stop block and the top tongue guide block are fixed on the upper surface of the fixed plate; the upper pressing block and the lower pressing block are fixed on the upper surface of the fixed plate and positioned in front of the top tongue guide block; the groove on the lower surface of the upper pressing block and the groove on the upper surface of the lower pressing block are combined into a top tongue channel, and the top tongue channel is communicated with a top tongue guide hole in the form of a groove on the front surface of the top tongue guide block; the top tongue passes through the top tongue channel, the rear part of the top tongue is inserted into the top tongue guide hole and abuts against the reset spring in the top tongue guide hole, and the front part of the top tongue extends out of the front part of the top tongue channel and is provided with an inclined surface facing obliquely forwards; the front stop block is fixed on the upper surface of the fixed plate and positioned in front of the top tongue channel; the slide block guide plate provided with a left chute and a right chute is fixed on the lower surface of the fixed plate; the sliding block is slidably inserted into the sliding groove, and a fixing rod penetrates through a vertical through hole formed in the sliding block and then extends out of the lower surface of the sliding block.

2. The dual silicon microphone testing fixture of claim 1, wherein: the cross section of the front part of the top tongue is smaller than that of the rear part of the top tongue, and the cross section of the top tongue channel is smaller than that of the top tongue guide hole.

3. The dual silicon microphone testing fixture of claim 1, wherein: the left side of the chute is provided with an opening, and the slide block is fixed on the slide block guide plate by a screw and blocks the opening on the left side of the chute.

4. The dual silicon microphone testing fixture of claim 1, wherein: the section of the sliding groove is T-shaped, the section of the sliding block is T-shaped, and the sliding block can be slidably inserted into the sliding groove and is supported on the sliding groove.

5. The dual silicon microphone testing fixture of claim 1, wherein: the fixed plate and the sounder are respectively installed on two support columns of the base, the fixed rod is inserted into a mounting hole formed in the upper surface of one support column, the lower support wing of the microphone product is inserted into a gap between the front stop block and the top tongue, the top tongue is propped by the reset spring, the top tongue and the front stop block clamp the microphone product, and two sound collecting ports of the microphone product face the sounder.

6. The dual silicon microphone testing fixture of claim 5, wherein: the fixing rod is a screw, the mounting hole is a screw hole, and the screw rod of the screw is screwed into the fixing mounting hole.