CN219181684U - Waterproof test fixture of speaker - Google Patents
Waterproof test fixture of speaker Download PDFInfo
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- CN219181684U CN219181684U CN202223452725.3U CN202223452725U CN219181684U CN 219181684 U CN219181684 U CN 219181684U CN 202223452725 U CN202223452725 U CN 202223452725U CN 219181684 U CN219181684 U CN 219181684U
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Abstract
The utility model discloses a waterproof test fixture for a loudspeaker, which comprises the following components: the upper die is provided with a through type upper die sound outlet; the lower die is provided with a positioning cavity at one side close to the upper die, and the positioning cavity is used for installing and fixing a speaker product to be tested; the upper die is fixedly connected with the lower die in a sealing way, so that one end port of the sound outlet of the through upper die is correspondingly matched with the sound outlet of the loudspeaker product to be tested in a sealing way. The waterproof test fixture for the loudspeaker has the advantages of simple structure, low cost, convenient detection and simple operation, can effectively, quickly and conveniently detect the waterproof performance of the loudspeaker monomer of a loudspeaker product, has accurate test effect, can effectively improve the production yield, saves the enterprise cost, and has good popularization prospect and application value.
Description
Technical Field
The utility model relates to a loudspeaker testing tool, in particular to a loudspeaker waterproof testing tool.
Background
In recent years, with the popularization of portable electronic products, the performance requirements of people on mobile phones are higher and higher, and the waterproof requirements of mobile phone speakers are also improved, so that the waterproof performance of the speakers of the existing speaker products often needs to be detected before the products leave factories.
However, the inventors have found that in the detection of the waterproof performance of speaker products, there are often the following cases:
1. when a waterproof reliability test experiment is carried out on a loudspeaker product, when a loudspeaker monomer has the poor glue-breaking situation such as broken glue or less glue of sealing glue, the front cavity of the BOX is not sealed, so that water flows into the inner core of the loudspeaker to cause poor sound listening;
2. at present, an air tightness detection simulation waterproof experiment is often selected, but inaccurate debugging can occur due to unsealing between a product and test equipment, unstable air pressure and the like, and the actual test effect is poor due to the fact that the density of air is smaller than that of water, so that the risk of misjudgment exists;
3. if the waterproof performance of the loudspeaker product is poor, batch scrapping can be caused, and the production cost of enterprises is greatly increased.
Considering that no special waterproof test fixture currently detects waterproof performance of a speaker product on a production line, in order to better detect waterproof performance of a speaker monomer of the speaker product, a simple and quick waterproof test fixture for the speaker is expected to be obtained at present.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: the novel waterproof test fixture for the loudspeaker is provided, the waterproof performance of the loudspeaker monomer of a loudspeaker product can be effectively, quickly and conveniently detected through reasonable optimization design, the test effect is accurate, the production yield can be effectively improved, the enterprise cost is saved, and the waterproof test fixture has good popularization prospect and application value.
In order to solve the technical problems, the utility model adopts the following technical scheme: a waterproof test fixture for a speaker, comprising:
the upper die is provided with a through type upper die sound outlet;
the lower die is provided with a positioning cavity at one side close to the upper die, and the positioning cavity is used for installing and fixing a speaker product to be tested;
the upper die is fixedly connected with the lower die in a sealing way, so that one end port of the sound outlet of the through upper die is correspondingly matched with the sound outlet of the loudspeaker product to be tested in a sealing way.
Furthermore, in the waterproof test tool for the loudspeaker, a sealing ring is further arranged between the upper die and the lower die.
In the technical scheme of the utility model, the sealing ring is arranged between the designed upper die and the lower die, so that the tightness of the upper die and the lower die in fixed connection can be effectively ensured, water leakage is prevented, and the influence on the waterproof performance test of the loudspeaker is avoided.
Furthermore, in the waterproof test tool for the loudspeaker, annular sealing cotton is further arranged between the sound outlet of the loudspeaker and the sound outlet of the through upper die.
In the above technical scheme of the utility model, annular sealing cotton can be further arranged between the designed speaker sound outlet and the through-type upper die sound outlet so as to ensure the tightness of the speaker sound outlet and the upper die sound outlet when in sealing match.
In the actual waterproof test process, water flow can flow in from the through type upper die sound outlet and flow into the loudspeaker sound outlet through the annular opening of the annular sealing cotton, so that the water flow flows into the front cavity of the loudspeaker product to be tested to detect the waterproof performance of the loudspeaker product to be tested. After water inflow is completed, whether the speaker product to be tested is water-inflow or not can be judged through further listening experiments and listening and characteristics of the speaker, and whether the speaker product to be tested is glued and sealed or not is further ensured.
Furthermore, in the waterproof test fixture for the loudspeaker, the upper die is fixedly connected with the lower die through bolts.
Furthermore, in the waterproof test fixture for the loudspeaker, a fixed block is further arranged in the positioning cavity of the lower die, a fixed hole is formed in the lower die, one side of the fixed block abuts against the loudspeaker product to be tested, and a threaded hole is formed in the other side of the fixed block, so that a bolt penetrates through the fixed hole and is in threaded connection with the threaded hole.
In the above technical scheme of the utility model, in order to avoid displacement of the speaker product to be tested in the positioning cavity of the lower die, a fixing block can be further arranged in the designed positioning cavity of the lower die, one side of the fixing block is controlled to be abutted against the speaker product to be tested, and a threaded hole formed in the other end of the fixing block can be correspondingly in threaded connection with a bolt penetrating through the fixing hole of the lower die.
When the loudspeaker fixing device is in practical application, an operator can control the movable displacement of the fixing block in the positioning cavity by screwing the bolt in threaded connection with the fixing block, so that the fixing block can be matched with the inner wall of the positioning cavity to clamp, position and fix the loudspeaker product to be tested.
Furthermore, in the waterproof test fixture for the loudspeaker, buffer cotton is further arranged between the loudspeaker product to be tested and the bottom of the positioning cavity, and the buffer cotton is used for supporting the loudspeaker product to be tested.
In the technical scheme of the utility model, buffer cotton is further arranged between the speaker product to be tested and the bottom of the lower die positioning cavity, and can be used for effectively supporting the speaker product to be tested and playing a role in buffering and preventing resonance so as to prevent the speaker product to be tested from being damaged in the detection process.
Furthermore, in the waterproof test fixture for the loudspeaker, the waterproof test fixture further comprises positioning pins, wherein positioning holes corresponding to each other are formed in the upper die and the lower die, and the positioning pins are correspondingly adapted and inserted into the positioning holes of the upper die and the lower die so as to position the relative positions of the upper die and the lower die.
In the technical scheme of the utility model, in order to facilitate the operation of operators and simplify the positioning process of the relative positions of the upper die and the lower die, the upper die and the lower die designed by the utility model can be respectively provided with positioning holes corresponding to each other, and the operators can realize the relative position positioning of the upper die and the lower die only by controlling the positioning pins to be sequentially inserted into the positioning holes corresponding to the upper die and the lower die one by one, so that the utility model has simple operation and convenient implementation.
Furthermore, in the waterproof test fixture for the loudspeaker, the lower die comprises a middle die and a base, the positioning cavity is formed in the middle die, and the base is fixedly connected with the middle die in a sealing manner.
Furthermore, in the waterproof test tool for the loudspeaker, a sealing ring is further arranged between the middle die and the base.
In the technical scheme of the utility model, a sealing ring can be further arranged between the designed middle die and the base, and the sealing ring can effectively ensure the tightness of the middle die and the base in fixed connection so as to prevent water leakage, further ensure the integral tightness of the waterproof test tool of the loudspeaker and avoid influencing the waterproof performance test of the loudspeaker.
Furthermore, in the waterproof test fixture for the loudspeaker, the middle die is fixedly connected with the base through bolts.
The utility model has the beneficial effects that: through carrying out reasonable optimal design to speaker waterproof test fixture, can detect the speaker monomer waterproof performance of speaker product effectively swiftly conveniently.
The loudspeaker waterproof test fixture has the advantages of simple structure, low cost, convenient detection and simple operation, can detect loudspeaker monomers of finished loudspeaker products, can be suitable for waterproof detection of loudspeaker half-cavity BOXs in actual use, can avoid the problem of poor waterproof performance of the loudspeakers caused by poor gluing in the production process, and can prevent poor technological process in advance.
In addition, the waterproof test fixture for the loudspeaker has accurate test effect, can effectively improve the production yield, saves the enterprise cost, and has good popularization prospect and application value.
Drawings
Fig. 1 is a schematic structural diagram of a waterproof test fixture for a speaker according to an embodiment of the present utility model;
fig. 2 is a structural exploded view of the waterproof test fixture for speakers shown in fig. 1;
fig. 3 is a structural plan view of the speaker waterproof test tool shown in fig. 1;
FIG. 4 is a cross-sectional view A-A of the speaker waterproof test fixture shown in FIG. 3;
description of the reference numerals:
1. an upper die; 11. a through type upper die sound outlet;
2. a lower die; 21. middle mold; 22. a base; 23. positioning the cavity; 24. a fixing hole;
3. a speaker product to be tested; 31. a speaker sound outlet;
4. a seal ring;
5. annular sealing cotton;
6. a bolt;
7. a fixed block; 71. a threaded hole;
8. buffering cotton;
9. positioning pins;
10. and positioning holes.
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 4, the present utility model provides a waterproof test fixture for a speaker, which includes:
the upper die 1 is provided with a through-type upper die sound outlet 11;
a positioning cavity 23 is formed in one side, close to the upper die 1, of the lower die 2, and the positioning cavity 23 is used for installing and fixing a speaker product 3 to be tested;
the upper die 1 is fixedly connected with the lower die 2 in a sealing manner, so that one end port of the sound outlet 11 of the through-type upper die is correspondingly matched with the sound outlet 31 of the speaker to be tested 3 in a sealing manner.
From the above description, it can be seen that the most critical idea of the utility model is: the inventor carries out reasonable optimization design on the waterproof test fixture of the loudspeaker so that the waterproof test fixture of the loudspeaker has the advantages of simple structure, low cost, convenient detection and simple operation, and can effectively, quickly and conveniently detect the waterproof performance of the loudspeaker monomer of the loudspeaker product.
In the actual waterproof test process, water flow can flow into the upper die 1 from the through-type upper die sound outlet 11, and because the through-type upper die sound outlet 11 is correspondingly matched with the speaker sound outlet 31 in a sealing manner, the water flow can further flow into the speaker sound outlet 31, so that the water flow flows into the front cavity of the speaker product 3 to be tested, and the waterproof performance of the speaker product 3 to be tested is detected. After water inflow is completed, whether the speaker product 3 to be tested is water inflow or not can be judged through the listening experiment of the speaker product 3 to be tested and the listening and characteristics of the speaker, and whether the speaker product 3 to be tested is glued or not is further ensured.
Therefore, in the actual use process, the waterproof test tool for the loudspeaker, which is designed by the utility model, can effectively, quickly and conveniently detect the waterproof performance of the loudspeaker monomer of the loudspeaker product 3 to be tested, has accurate test effect, can effectively improve the production yield, saves the enterprise cost, and has good popularization prospect and application value.
Further, a sealing ring 4 is further arranged between the upper die 1 and the lower die 2.
In the utility model, the sealing ring 4 is arranged between the designed upper die 1 and the lower die 2, so that the tightness of the upper die 1 and the lower die 2 in fixed connection can be effectively ensured, water leakage is prevented, and the influence on the waterproof performance test of the loudspeaker is avoided.
Furthermore, an annular sealing cotton 5 is further disposed between the speaker sound outlet 31 and the through-type upper die sound outlet 11.
In the utility model, an annular sealing cotton 5 can be further arranged between the loudspeaker sound outlet 31 and the through-type upper die sound outlet 11 so as to ensure the tightness of the loudspeaker sound outlet 31 and the through-type upper die sound outlet 11 when in sealing match. In this case, when the waterproof test is performed, the water flow may flow from the through-type upper die sound outlet 11 and flow into the speaker sound outlet 31 correspondingly through the annular opening of the annular sealing cotton 5, thereby flowing into the front cavity of the speaker product 3 to be tested.
Further, the upper die 1 is fixedly connected with the lower die 2 through bolts 6.
Further, a fixing block 7 is further disposed in the positioning cavity 23 of the lower die 2, a fixing hole 24 is formed in the lower die 2, one side of the fixing block 7 abuts against the speaker product 3 to be tested, and a threaded hole 71 is formed in the other side of the fixing block 7, so that the bolt 6 passes through the fixing hole 24 and is in threaded connection with the threaded hole 71.
In the above technical solution of the present utility model, in order to avoid displacement movement of the speaker product 3 to be tested in the positioning cavity 23 of the lower die 2, a fixing block 7 may be further disposed in the designed positioning cavity 23 of the lower die 2, and one side of the fixing block 7 is controlled to abut against the speaker product 3 to be tested, and a threaded hole 71 formed on the other side thereof may be correspondingly screwed with the bolt 6 passing through the fixing hole 24 of the lower die 2.
In practical application, an operator can control the fixed block 7 to move and displace in the positioning cavity 23 by screwing the bolt 6 in threaded connection with the fixed block 7, so that the fixed block 7 can be matched with the inner wall of the positioning cavity 23 to clamp, position and fix the speaker product 3 to be tested.
Further, a buffer cotton 8 is further disposed between the speaker product 3 to be tested and the bottom of the positioning cavity 23, and the buffer cotton 8 is used for supporting the speaker product 3 to be tested, so as to buffer and prevent vibration of the speaker product 3 to be tested.
In the utility model, a buffer cotton 8 is further arranged between the speaker product 3 to be tested and the bottom of the positioning cavity 23 of the lower die 2, and the speaker product 3 to be tested can be effectively supported by the buffer cotton 8, and the effect of buffering and preventing resonance is achieved, so that the speaker product 3 to be tested is prevented from being damaged in the detection process.
Further, the mold further comprises positioning pins 9, positioning holes 10 corresponding to each other are formed in the upper mold 1 and the lower mold 2, and the positioning pins 9 are correspondingly adapted and inserted into the positioning holes 10 of the upper mold and the lower mold so as to position the relative positions of the upper mold 1 and the lower mold 2.
In the utility model, in order to facilitate the operation of operators and simplify the positioning process of the relative positions of the upper die 1 and the lower die 2, the designed upper die 1 and lower die 2 can be respectively provided with positioning holes 10 corresponding to each other, i.e. the upper die 1 and the lower die 2 are respectively provided with an upper die positioning hole and a lower die positioning hole corresponding to each other one by one. When the positioning is actually performed, an operator only needs to control the positioning pins 9 to sequentially insert into the positioning holes corresponding to the upper die 1 and the lower die 2 one by one, so that the relative position positioning of the upper die 1 and the lower die 2 can be realized, and the operation is simple and the implementation is convenient.
Further, the lower die 2 includes a middle die 21 and a base 22, the positioning cavity 23 is disposed in the middle die 21, and the base 22 is fixedly connected with the middle die 21 in a sealing manner.
In the present utility model, in order to meet different usage requirements, the lower die 2 in the speaker waterproof test fixture may be specifically assembled by the middle die 21 and the base 22, that is, as shown in fig. 1, in this embodiment, the positioning cavity 23 is correspondingly formed in the middle die 21, and the fixing hole 24 is also formed in the middle die 21.
Further, a sealing ring 4 is further disposed between the middle mold 21 and the base 22.
In the utility model, a sealing ring 4 can be further arranged between the designed middle die 21 and the base 22, and the sealing ring 4 can effectively ensure the tightness of the middle die 21 and the base 22 in fixed connection so as to prevent water leakage, further ensure the integral tightness of the waterproof test fixture of the loudspeaker and avoid influencing the waterproof performance test of the loudspeaker.
Further, the middle die 21 is fixedly connected with the base 22 through bolts 6.
Example 1
Referring to fig. 1 to 4, a first embodiment of the present utility model is as follows: a waterproof test fixture for a speaker, comprising: an upper die 1 and a lower die 2. In this embodiment, the lower die 2 is composed of a middle die 21 and a base 22, and the middle die 21 and the base 22 are fixedly connected together by a bolt 6.
It should be noted that, in this embodiment, the upper mold 1 is provided with a through-type upper mold sound outlet 11, while the lower mold 2 is provided with a positioning cavity 23 on a side close to the upper mold 1, the positioning cavity 23 is specifically disposed in the middle mold 21, and the middle mold 21 is further provided with a fixing hole 24. Wherein the positioning cavity 23 is used for installing and fixing the speaker product 3 to be tested.
As can be seen further by referring to fig. 2, in order to facilitate the operation of the operator and simplify the positioning process of the relative positions of the upper die 1 and the middle die 21, the designed upper die 1 and the middle die 21 are respectively provided with positioning holes 10 corresponding to each other, i.e. the upper die 1 and the middle die 21 are respectively provided with an upper die positioning hole and a lower die positioning hole corresponding to each other one by one. When actually positioning, an operator only needs to control the positioning pins 9 to sequentially insert into the positioning holes corresponding to the upper die 1 and the middle die 21 one by one, so that the relative position positioning of the upper die 1 and the middle die 21 can be realized, and the operation is simple and the implementation is convenient.
In actual assembly, the positioning pins 9 are used for positioning the relative positions of the upper die 1 and the middle die 21 so as to ensure that one end port of the through upper die sound outlet 11 positioned in the upper die 1 can be aligned and matched with the loudspeaker sound outlet 31 of the loudspeaker product 3 to be tested in the positioning cavity 23 of the middle die 21 in a sealing manner. And then the upper die 1 and the middle die 21 are assembled and fixed together by using six bolts 6, and a sealing ring 4 is added between the upper die 1 and the middle die 21 so as to ensure the sealing and fixed connection of the upper die 1 and the middle die 21. Similarly, a sealing ring 4 is added between the base 22 and the middle die 21, and six bolts 6 are also used for fixedly and hermetically connecting the base 22 and the middle die 21 together. In order to ensure a sealing match between the through-type upper die sound outlet 11 and the speaker sound outlet 31, an annular sealing cotton 5 is further provided between the speaker sound outlet 31 and the through-type upper die sound outlet 11.
In addition, in the present utility model, since the positioning cavity 23 is provided in the middle mold 21 in a penetrating manner, the base 22 can serve as the bottom of the positioning cavity 23 after the middle mold 21 is fixedly connected with the base 22; in this embodiment, a buffer cotton 8 is further disposed between the speaker product 3 to be tested and the base 22, and the speaker product 3 to be tested can be effectively supported by using the buffer cotton 8, and the anti-resonance effect of buffering is achieved, so as to prevent the speaker product 3 to be tested from being damaged in the detection process.
In addition, in order to avoid the speaker product 3 to be tested from moving in the positioning cavity 23 of the middle mold 21, a fixing block 7 may be further disposed in the positioning cavity 23 of the middle mold 21, and one side of the fixing block 7 is controlled to abut against the speaker product 3 to be tested, and the threaded hole 71 formed on the other side thereof may be correspondingly screwed with the bolt 6 passing through the fixing hole 24. In practical application, an operator can control the fixed block 7 to move and displace in the positioning cavity 23 by screwing the bolt 6 in threaded connection with the fixed block 7, so that the fixed block 7 can be matched with the inner wall of the positioning cavity 23 to clamp, position and fix the speaker product 3 to be tested.
Based on the above arrangement, an operator can transfer the speaker product 3 to be tested into the positioning cavity 23 of the middle mold 21, and fixedly and hermetically connect the middle mold 21 with the upper mold 1 and the base 22, so that other parts of the whole speaker waterproof test fixture except the through-type upper mold sound outlet 11 formed in the upper mold 1 are in a sealed state for performing a waterproof reliability test.
When the waterproof reliability test is performed, water flow can flow into the upper die 1 from the through-type upper die sound outlet 11, and because the through-type upper die sound outlet 11 is correspondingly matched with the speaker sound outlet 31 in a sealing manner, the water flow can further flow into the speaker sound outlet 31, so that the water flow flows into the front cavity of the speaker product 3 to be tested, and the waterproof performance of the speaker product 3 to be tested is detected. After water inflow is completed, whether the speaker product 3 to be tested is water inflow or not can be judged through the listening experiment of the speaker product 3 to be tested and the listening and characteristics of the speaker, and whether the speaker product 3 to be tested is glued or not is further ensured.
Therefore, in the utility model, the inventor can effectively, quickly and conveniently detect the waterproof performance of the speaker monomer of the speaker product through reasonably optimizing the design of the speaker waterproof test tool, the test effect is accurate, the production yield can be effectively improved, the enterprise cost is saved, and the utility model has good popularization prospect and application value.
It should be pointed out that, the speaker waterproof test tool designed by the utility model has simple structure, low cost, convenient detection and simple operation, not only can detect speaker monomers of finished speaker products, but also can be suitable for waterproof detection of speaker half-cavity BOXs in certain other embodiments by using the speaker waterproof test tool, can avoid the problem of poor waterproof performance of speakers caused by poor gluing in the production process, and prevents poor technological process in advance.
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. Waterproof test fixture of speaker, its characterized in that includes:
the upper die is provided with a through type upper die sound outlet;
the lower die is provided with a positioning cavity at one side close to the upper die, and the positioning cavity is used for installing and fixing a speaker product to be tested;
the upper die is fixedly connected with the lower die in a sealing way, so that one end port of the sound outlet of the through upper die is correspondingly matched with the sound outlet of the loudspeaker product to be tested in a sealing way.
2. The waterproof test fixture of a loudspeaker according to claim 1, wherein a sealing ring is further arranged between the upper die and the lower die.
3. The waterproof test fixture of a loudspeaker according to claim 1, wherein annular sealing cotton is further arranged between the sound outlet of the loudspeaker and the sound outlet of the through-type upper die.
4. The waterproof test fixture for the loudspeaker of claim 1, wherein the upper die and the lower die are fixedly connected through bolts.
5. The waterproof test fixture for the loudspeaker of claim 1, wherein a fixing block is further arranged in the positioning cavity of the lower die, a fixing hole is formed in the lower die, one side of the fixing block abuts against the loudspeaker product to be tested, and a threaded hole is formed in the other side of the fixing block, so that a bolt penetrates through the fixing hole and is in threaded connection with the threaded hole.
6. The waterproof test fixture of claim 1, wherein a buffer cotton is further disposed between the speaker product to be tested and the bottom of the positioning cavity, and the buffer cotton is used for supporting the speaker product to be tested.
7. The waterproof test fixture of claim 1, further comprising positioning pins, wherein positioning holes corresponding to each other are formed in the upper die and the lower die, and the positioning pins are correspondingly adapted and inserted into the positioning holes of the upper die and the lower die so as to position the relative positions of the upper die and the lower die.
8. The waterproof test fixture of a loudspeaker according to claim 1, wherein the lower die comprises a middle die and a base, the positioning cavity is formed in the middle die, and the base is fixedly connected with the middle die in a sealing manner.
9. The waterproof test fixture of claim 8, wherein a sealing ring is further arranged between the middle die and the base.
10. The waterproof test fixture of the loudspeaker of claim 8, wherein the middle die is fixedly connected with the base through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223452725.3U CN219181684U (en) | 2022-12-20 | 2022-12-20 | Waterproof test fixture of speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223452725.3U CN219181684U (en) | 2022-12-20 | 2022-12-20 | Waterproof test fixture of speaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219181684U true CN219181684U (en) | 2023-06-13 |
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ID=86667626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223452725.3U Active CN219181684U (en) | 2022-12-20 | 2022-12-20 | Waterproof test fixture of speaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219181684U (en) |
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- 2022-12-20 CN CN202223452725.3U patent/CN219181684U/en active Active
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