CN219178835U - Micro-speaker air tightness test fixture - Google Patents
Micro-speaker air tightness test fixture Download PDFInfo
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- CN219178835U CN219178835U CN202223072514.7U CN202223072514U CN219178835U CN 219178835 U CN219178835 U CN 219178835U CN 202223072514 U CN202223072514 U CN 202223072514U CN 219178835 U CN219178835 U CN 219178835U
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Abstract
The utility model discloses a micro-speaker air tightness test tool, which comprises a bottom plate, an air cylinder, a tool base, an air tightness pressing block and an air tightness tester, wherein the bottom plate is provided with a plurality of air inlets; the air cylinder and the tool base are fixedly arranged on the bottom plate, and the tool base is provided with a product positioning hollow corresponding to the product to be tested, so that the product to be tested is placed; the airtight pressing block is fixedly connected with the output end of the air cylinder and corresponds to the tool base mutually so as to be close to or far away from the tool base under the action of the air cylinder; in addition, still be equipped with the cavity in the gas tightness briquetting, the cavity is including the input port and the delivery outlet of intercommunication, the input port of cavity is used for being connected with the gas tightness tester, the delivery outlet of cavity be used for with the product that awaits measuring of placing on the frock base corresponds.
Description
Technical Field
The utility model relates to an air tightness testing tool, in particular to a loudspeaker air tightness testing tool.
Background
In recent years, with rapid improvement of technology level and increasing use demands of users, demands of the current market for speaker sealing problems are becoming higher.
Currently, in order to ensure that the air tightness of a BOX speaker meets requirements, a specific air tightness tool is generally required to be used for detection and test at a research and development end for checking the air leakage and sealing performance of the BOX speaker product.
However, the inventors have studied and found that the characteristic test at the current stage of speaker development sometimes does not show the air tightness well for some of the micro BOX speakers, which is not effective in intercepting the BOX speakers having the air leakage and the sealing problem. For this reason, a tool capable of detecting the tightness of the micro-speaker is currently needed.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: the utility model provides a miniature speaker gas tightness test fixture, it can be through reasonable optimized structural design, detect miniature speaker product's gas tightness can be effectively swiftly convenient to effectively, and leak gas and the not good speaker product of sealing performance are effectively eliminated; the micro-speaker air tightness testing tool is wide in applicability, high in reliability and good in popularization prospect and application value.
In order to solve the technical problems, the utility model adopts the following technical scheme: a micro-speaker air tightness test fixture, comprising:
a bottom plate;
the air cylinder is fixedly arranged on the bottom plate;
the tool base is fixedly arranged on the bottom plate and corresponds to the output end of the air cylinder; the fixture base is provided with a product positioning hollow corresponding to the product to be tested, so as to be used for placing the product to be tested;
the airtight pressing block is fixedly connected with the output end of the air cylinder and corresponds to the tool base mutually so as to be close to or far away from the tool base under the action of the air cylinder; the gas tightness briquetting is characterized in that a cavity is further formed in the gas tightness briquetting, the cavity comprises an input port and an output port which are communicated, the input port of the cavity is used for being connected with a gas tightness tester, and the output port of the cavity is used for corresponding to a product to be tested placed on the tool base.
In the micro-speaker air tightness testing tool designed by the utility model, the designed air tightness pressing block can move towards the direction of the tool base under the action of the air cylinder, and is tightly pressed against a product to be tested when the product to be tested is placed on the product positioning hollowed-out part of the tool base. At this time, because the airtight briquetting is equipped with the cavity that includes input port and delivery outlet, operating personnel can utilize the gas tightness tester of being connected with cavity input port, charge gas to the input port to make gas input to the product that awaits measuring from the delivery outlet of cavity in, thereby aerify to the atmospheric pressure that sets for.
When the inflation is completed, the air tightness tester monitors air pressure in real time, and when the air tightness tester detects that the air pressure is stable and does not drop, the air tightness tester indicates that the product to be tested is qualified, the air tightness meets the use requirement, and the air leakage problem does not exist; and when the detection finds that the air pressure has a descending trend, the product to be detected is proved to be 'unqualified', the air tightness is poor, and the air leakage problem exists.
Therefore, the inventor realizes the rapid detection of the air tightness of the micro-speaker product through the structural optimization of the air tightness pressing block in the tool and the tool base, and the micro-speaker air tightness test tool can effectively check out the speaker product with air leakage and poor sealing performance, and has wide applicability, high reliability and good popularization prospect and application value.
Furthermore, in the micro-speaker air tightness testing tool disclosed by the utility model, a sealing gasket is further arranged on one side of the air tightness pressing block, which is close to the tool base.
Furthermore, in the micro-speaker air tightness test tool disclosed by the utility model, the sealing gasket is a silica gel pad.
Furthermore, in the micro-speaker air tightness test tool disclosed by the utility model, the thickness of the silica gel pad is 0.3-4.0 mm.
Furthermore, in the micro-speaker air tightness test tool disclosed by the utility model, the input port of the cavity is a screw hole.
Furthermore, in the micro-speaker air tightness test tool disclosed by the utility model, the bottom plate is provided with the plurality of air cylinders and the plurality of tool bases, and the output ends of the plurality of air cylinders are respectively provided with the air tightness pressing blocks so as to simultaneously test the air tightness of a plurality of products to be tested.
Furthermore, in the micro-speaker air tightness test tool disclosed by the utility model, the bottom plate is provided with the two air cylinders and the tool base which are arranged in pairs.
Furthermore, in the micro-speaker air tightness test tool disclosed by the utility model, the sealing gasket is obliquely arranged and forms an included angle with the vertical direction.
Furthermore, in the micro-speaker air tightness test tool disclosed by the utility model, the tool base is fixedly connected with the bottom plate through threads.
Furthermore, in the micro-speaker air tightness test tool disclosed by the utility model, the air tightness pressing block is fixedly connected with the output end of the air cylinder through threads.
The utility model has the beneficial effects that: through the reasonable structural optimization to gas tightness briquetting and frock base, can utilize the gas tightness briquetting to compress tightly when placing the product that awaits measuring on the product location fretwork of frock base, and fill gas in to the input port through the gas tightness tester to make gas input to the product that awaits measuring from the delivery outlet of cavity, thereby aerify to setting for atmospheric pressure, and monitor and judge the gas tightness of the product that awaits measuring after inflating and accomplishing. The micro-speaker air tightness testing tool can effectively check out air leakage and speaker products with poor sealing performance, is wide in applicability and high in reliability, and has good popularization prospect and application value.
Drawings
FIG. 1 is a schematic diagram of a micro-speaker air tightness test tool according to an embodiment of the present utility model;
FIG. 2 is a top view of a micro-speaker air tightness test tool according to an embodiment of the present utility model;
FIG. 3 is a schematic diagram of an airtight press block of the micro-speaker airtight test tool according to the present utility model in an embodiment;
FIG. 4 is a cross-sectional view of the gas-tight compact of FIG. 3;
fig. 5 is a schematic structural diagram of a tooling base of the micro-speaker air tightness testing tooling according to the present utility model in an embodiment;
description of the reference numerals:
1. a cylinder;
2. an airtight pressing block; 21. a cavity; 22. a sealing gasket;
211. an input port; 212. an output port;
3. a tooling base; 31. positioning and hollowing out a product;
4. a bottom plate;
5. and (5) testing a product.
Detailed Description
In order to describe the technical contents, the achieved objects and effects of the present utility model in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.
Referring to fig. 1 to 5, the present utility model provides a micro-speaker air tightness testing tool, which comprises:
a bottom plate 4;
the air cylinder 1 is fixedly arranged on the bottom plate 4;
the tool base 3 is fixedly arranged on the bottom plate 4 and corresponds to the output end of the air cylinder 1; the fixture base 3 is provided with a product positioning hollow 31 corresponding to the product 5 to be tested, so as to be used for placing the product 5 to be tested;
the airtight pressing block 2 is fixedly connected with the output end of the air cylinder 1 and corresponds to the tooling base 3, so that the airtight pressing block 2 is close to or far away from the tooling base 3 under the action of the air cylinder 1; the airtight pressing block 2 is further internally provided with a cavity 21, the cavity 21 comprises an input port 211 and an output port 212 which are communicated, the input port 211 of the cavity 21 is used for being connected with an airtight tester, and the output port 212 of the cavity 21 is used for corresponding to a product 5 to be tested placed on the tool base 3.
From the above description, it can be seen that the most critical idea of the utility model is: the inventor reasonably optimizes the structures of the air-tightness pressing block 2 and the tooling base 3, and further when a product 5 to be tested is placed on the product positioning hollow 31 of the tooling base 3, the product 5 to be tested is tightly pressed and sealed by the air-tightness pressing block 2, and air is filled into the input port 211 of the air-tightness pressing block cavity 21 through an air-tightness tester (not shown in the figure), so that the air is input into the product 5 to be tested from the output port 212 of the cavity 21, and then the air is filled to set air pressure, so that the monitoring and judgment of the air tightness of the product 5 to be tested are realized.
Through the arrangement, after the inflation is completed, the air tightness tester can monitor the air pressure in real time, and when the air pressure is detected to be stable and does not drop, the air tightness of the product 5 to be tested is qualified, the use requirement is met, and the air tightness problem is avoided; and when the detection finds that the air pressure has a descending trend, the product 5 to be detected is proved to be 'unqualified', the air tightness is poor, and the air leakage problem exists.
According to the tightness test requirement of the micro-speaker, the air pressure can be specifically controlled to be 0.4-0.7 MPa so as to perform tightness test on the product 5 to be tested.
Therefore, the inventor realizes the rapid detection of the air tightness of the micro-speaker product by optimizing the structures of the air tightness pressing block 2 and the tool base 3 in the tool, and the micro-speaker air tightness test tool can effectively check out the speaker product with air leakage and poor sealing performance, and has wide applicability, high reliability and good popularization prospect and application value.
Further, a sealing gasket 22 is further arranged on one side, close to the tool base 3, of the airtight pressing block 2.
Further, the sealing pad 22 is a silica gel pad.
It should be noted that, in practical application, in order to further enhance the sealing matching between the airtight pressing block 2 and the product 5 to be tested, in the present utility model, a sealing gasket 22 is correspondingly disposed on a side of the airtight pressing block 2 close to the tooling base 3, so as to achieve a compression seal with the product 5 to be tested. The gasket 22 may be a silica gel gasket.
Of course, the material of the gasket 22 is not particularly limited, and in some other embodiments, according to specific use requirements, an operator may select the gasket 22 with a required material, which can achieve the sealing effect of compacting and matching the airtight press block 2 with the product 5 to be tested.
Further, the thickness of the silica gel pad is 0.3-4.0 mm.
In the utility model, in order to meet the requirement of compression seal matching of the air-tight pressing block 2 and the product 5 to be tested, the sealing gasket 22 arranged on the air-tight pressing block 2 is not required to be too thin; the gasket 22 is not too thick in view of manufacturing costs. In certain embodiments, the thickness of the silica gel pad used as the sealing pad may be specifically controlled to be between 0.3 and 4.0mm.
Further, the input port 211 of the cavity 21 is a threaded hole.
In the utility model, the input port 211 of the cavity 21 in the air tightness pressing block 2 can be specifically provided as a screw hole so as to be correspondingly in threaded connection with the air delivery pipe of the air tightness tester, thereby ensuring that the air tightness tester can be filled with air normally from the input port 211.
Further, be equipped with a plurality of cylinder 1 and a plurality of frock base 3 on the bottom plate 4, all be equipped with gas tightness briquetting 2 on the output of a plurality of cylinder 1 to carry out the gas tightness test to a plurality of product 5 that awaits measuring simultaneously.
Further, two air cylinders 1 and a tooling base 3 which are arranged in pairs are arranged on the bottom plate 4.
In this embodiment, during practical application, in order to accelerate the detection efficiency to speaker product, can set up a plurality of cylinder 1 and a plurality of frock seat 3 on the bottom plate 4 according to the demand to carry out the gas tightness test to a plurality of product 5 that awaits measuring simultaneously.
Of course, referring to fig. 1, in the embodiment designed in fig. 1, two cylinders 1 and tool bases 3 arranged in pairs are specifically disposed on the bottom plate 4, which can perform an air tightness test on two products 5 to be tested at the same time, so as to improve the detection efficiency.
Further, the sealing gasket 22 is disposed obliquely and forms an angle with the vertical direction.
Further, the tool base 3 is fixedly connected with the bottom plate 4 through threads.
Further, the airtight pressing block 2 is fixedly connected with the output end of the air cylinder 1 through threads.
In this embodiment, the fixture base 3 and the bottom plate 4 may be fixedly connected by a threaded connection, and the airtight press block 2 and the output end of the cylinder 1 may also be fixedly connected by a threaded connection. Of course, in some other embodiments, the fixing may be performed by other manners, such as welding, which may also achieve the beneficial effects of the present utility model, and the operator may set the fixing according to specific needs.
Example 1
Referring to fig. 1, 2, 3, 4 and 5, a first embodiment of the present utility model is as follows: a micro-speaker air tightness test fixture, comprising: the bottom plate 4, cylinder 1, frock base 3, gas tightness briquetting 2 and gas tightness tester (not shown in the figure). Wherein, cylinder 1 and frock base 3 all pass through threaded connection's mode fixed setting on bottom plate 4, and frock base 3 with the output of cylinder 1 corresponds.
It should be noted that in this embodiment, the bottom plate 4 is provided with two cylinders 1 and tool bases 3 arranged in pairs, the output ends of the cylinders 1 respectively correspond to one tool base 3, and the output ends of the cylinders 1 are respectively and fixedly provided with an airtight pressing block 2 in a threaded connection manner.
As shown in fig. 5, in the present utility model, two tooling bases 3 are designed, and product positioning hollowed-out parts 31 corresponding to the product 5 to be tested are provided on the two tooling bases for placing the product 5 to be tested; the airtight pressing block 2 arranged on the output end of the air cylinder 1 corresponds to the tool base 3, and can be close to or far away from the tool base 3 under the action of the air cylinder 1.
It should be noted that, as further referring to fig. 4, in this embodiment, a cavity 21 is further provided in the airtight pressing block 2, the cavity 21 includes an input port 211 and an output port 212, the input port 211 of the cavity 21 is connected with the airtight tester, and the output port 212 of the cavity 21 corresponds to the product 5 to be tested placed on the tool base 3. The input port 211 of the cavity 21 in the air tightness pressing block 2 may be specifically configured as a screw hole, so as to be in corresponding threaded connection with the air delivery pipe of the air tightness tester.
In addition, as can be seen from fig. 3 and 4, in order to further enhance the compression seal matching between the airtight pressing block 2 and the product 5 to be tested, in the present utility model, a sealing gasket 22 is correspondingly disposed on a side of the airtight pressing block 2 close to the tooling base 3, the sealing gasket 22 is obliquely disposed and forms a certain angle with the vertical direction, and is a rubber sealing gasket, and the specific thickness can be controlled to be 0.3-4.0 mm.
During practical application, the airtight pressing blocks 2 on the output ends of the two air cylinders 1 which are arranged in pairs can move towards the direction of the tool base 3 at the same time under the action of the air cylinders, and press and cling to the product 5 to be measured when the product 5 to be measured is placed on the product positioning hollow 31 of the tool base 3. At this time, since the airtight press 2 is provided with the cavity including the input port 211 and the output port 212, the operator can charge the gas into the input port 211 by using the airtight tester connected to the cavity input port 211, so that the gas is inputted into the product 5 to be measured from the output port 212 of the cavity, thereby charging to the set pressure.
When the inflation is completed, the air pressure is monitored in real time by the air tightness tester, and when the air pressure is detected to be stable and does not drop, the air tightness tester indicates that the product 5 to be tested is qualified, the air tightness meets the use requirement, and the air leakage problem does not exist; and when the detection finds that the air pressure has a descending trend, the product to be detected is proved to be 'unqualified 5', the air tightness is poorer, and the air leakage problem exists.
The actual requirement of the market on the tightness of the micro-speaker is considered, the set air pressure can be specifically controlled to be 0.4-0.7 MPa, and an operator can select a specific set air pressure to realize the tightness test of the product 5 to be tested.
Therefore, the inventor realizes the rapid detection of the air tightness of the micro-speaker product through the structural optimization of the air tightness pressing block in the tool and the tool base, and the micro-speaker air tightness test tool can effectively check out the speaker product with air leakage and poor sealing performance, and has wide applicability, high reliability and good popularization prospect and application value.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent changes made by the specification and drawings of the present utility model, or direct or indirect application in the relevant art, are included in the scope of the present utility model.
Claims (10)
1. The utility model provides a miniature speaker gas tightness test fixture which characterized in that includes:
a bottom plate;
the air cylinder is fixedly arranged on the bottom plate;
the tool base is fixedly arranged on the bottom plate and corresponds to the output end of the air cylinder; the fixture base is provided with a product positioning hollow corresponding to the product to be tested, so as to be used for placing the product to be tested;
the airtight pressing block is fixedly connected with the output end of the air cylinder and corresponds to the tool base mutually so as to be close to or far away from the tool base under the action of the air cylinder; the gas tightness briquetting is characterized in that a cavity is further formed in the gas tightness briquetting, the cavity comprises an input port and an output port which are communicated, the input port of the cavity is used for being connected with a gas tightness tester, and the output port of the cavity is used for corresponding to a product to be tested placed on the tool base.
2. The micro-speaker air tightness test fixture according to claim 1, wherein a sealing gasket is further arranged on one side of the air tightness pressing block, which is close to the fixture base.
3. The micro-speaker tightness test fixture of claim 2, wherein the sealing pad is a silica gel pad.
4. A micro-speaker air tightness test fixture according to claim 3, wherein the thickness of the silica gel pad is 0.3-4.0 mm.
5. The tool for testing the air tightness of the micro-speaker according to claim 1, wherein the input port of the cavity is a screw hole.
6. The micro-speaker air tightness test tool according to claim 1, wherein a plurality of air cylinders and a plurality of tool bases are arranged on the bottom plate, and air tightness pressing blocks are arranged at the output ends of the air cylinders so as to simultaneously perform air tightness test on a plurality of products to be tested.
7. The tool for testing the air tightness of the micro-speaker according to claim 6, wherein the base plate is provided with two air cylinders and tool bases which are arranged in pairs.
8. The micro-speaker tightness test fixture according to claim 2, wherein the sealing gasket is arranged obliquely and forms an included angle with the vertical direction.
9. The micro-speaker air tightness test fixture according to claim 1, wherein the fixture base is fixedly connected with the bottom plate through threads.
10. The micro-speaker air tightness test fixture according to claim 1, wherein the air tightness pressing block is fixedly connected with the output end of the air cylinder in a threaded manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223072514.7U CN219178835U (en) | 2022-11-18 | 2022-11-18 | Micro-speaker air tightness test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223072514.7U CN219178835U (en) | 2022-11-18 | 2022-11-18 | Micro-speaker air tightness test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219178835U true CN219178835U (en) | 2023-06-13 |
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ID=86671929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223072514.7U Active CN219178835U (en) | 2022-11-18 | 2022-11-18 | Micro-speaker air tightness test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219178835U (en) |
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2022
- 2022-11-18 CN CN202223072514.7U patent/CN219178835U/en active Active
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