CN219181685U - Test fixture of speaker - Google Patents
Test fixture of speaker Download PDFInfo
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- CN219181685U CN219181685U CN202223606365.8U CN202223606365U CN219181685U CN 219181685 U CN219181685 U CN 219181685U CN 202223606365 U CN202223606365 U CN 202223606365U CN 219181685 U CN219181685 U CN 219181685U
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- cover plate
- cavity
- flow channel
- base
- loudspeaker
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Abstract
The utility model discloses a testing tool for a loudspeaker, which comprises a base, a tool cover plate and an auxiliary cover plate, wherein the base is used for placing a lower shell of the loudspeaker, the lower shell is provided with a first flow channel and a second flow channel which are communicated, and a sounding monomer is arranged in the first flow channel; the tooling cover plate is arranged on the base, the bottom of the tooling cover plate covers the first flow channel and forms a first cavity with the first flow channel; the auxiliary cover plate is detachably arranged at the bottom of the tooling cover plate, the bottom of the auxiliary cover plate covers the second flow channel and forms a second cavity with the second flow channel, and the auxiliary cover plate is also provided with a third cavity communicated with the second cavity; the auxiliary cover plate with different third cavities can be replaced to change the structure of the rear cavity, so that the test requirements of different speakers are met, and the applicability is improved.
Description
Technical Field
The utility model relates to the technical field of tool fixtures, in particular to a test tool for a loudspeaker.
Background
The existing loudspeaker generally comprises an upper shell, a lower shell and a sounding monomer, wherein the upper shell is connected with the lower shell to form an installation cavity, the sounding monomer is installed in the installation cavity and forms a rear cavity with the upper shell and the lower shell, and the specific structure of the rear cavity can directly influence the acoustic performance of the sounding monomer, so that the sounding monomer is required to be placed in a test tool to ensure the stability of the performance of the sounding monomer in a certain rear cavity structure, and the structure of the rear cavity of the loudspeaker is simulated through the test tool, so that the acoustic performance test is performed; the existing test tool is single in structural style, only a rear cavity structure can be simulated, when speakers with different structures are required to be tested, new test tools are required to be redesigned to test the speakers, and therefore the applicability is low.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: the test fixture for the loudspeaker is high in applicability.
In order to solve the technical problems, the utility model adopts the following technical scheme: a test fixture for loudspeaker comprises
The base is used for placing a lower shell of the loudspeaker, the lower shell is provided with a first flow channel and a second flow channel which are communicated, and a sounding monomer is arranged in the first flow channel;
the tooling cover plate is arranged on the base, and the bottom of the tooling cover plate covers the first flow channel and forms a first cavity with the first flow channel;
the auxiliary cover plate is detachably arranged at the bottom of the tool cover plate, the bottom of the auxiliary cover plate covers the second flow groove and forms a second cavity with the second flow groove, and the auxiliary cover plate is further provided with a third cavity communicated with the second cavity.
Further, one end of the tool cover plate is rotatably connected with the base, and the other end of the tool cover plate is detachably connected with the base.
Further, the base is provided with a positioning groove, and the other end of the tool cover plate is detachably arranged in the positioning groove.
Further, the base is further provided with a guide opening communicated with the positioning groove.
Further, a first accommodating groove is further formed in the bottom of the tool cover plate, and the auxiliary cover plate is detachably arranged in the first accommodating groove.
Further, a first sealing piece is arranged at the bottom of the tool cover plate and is used for abutting against the edge of the lower shell corresponding to the first flow channel.
Further, a second sealing piece is arranged at the bottom of the auxiliary cover plate and is used for abutting against the edge of the lower shell corresponding to the second flow channel.
Further, a first buffer piece is arranged on the base and is used for abutting against the lower shell.
Further, the material of the first buffer piece is foam material, sponge material or rubber material.
Further, a second accommodating groove for accommodating the first buffer piece is formed in the base.
The utility model has the beneficial effects that: the test fixture for the loudspeaker has the characteristic of high applicability, the detachable auxiliary cover plate is arranged on the fixture cover plate, the first cavity is formed between the fixture cover plate and the first flow channel of the lower shell, the second cavity is formed between the auxiliary cover plate and the second flow channel of the lower shell, the auxiliary cover plate is provided with the third cavity, the first cavity, the second cavity and the third cavity jointly form the rear cavity, and the structure of the rear cavity is changed by changing the auxiliary cover plate with different third cavities, so that the test fixture is suitable for test requirements of different loudspeakers, and the applicability is improved.
Drawings
Fig. 1 is a schematic structural diagram of a test fixture for a speaker according to a first embodiment of the present utility model;
fig. 2 is an exploded view of a test fixture for a speaker according to a first embodiment of the present utility model.
Description of the reference numerals:
1. a base; 11. a second accommodating groove; 12. a positioning groove; 13. a guide opening; 14. a first buffer member; 2. a lower case; 21. a first flow channel; 22. a second circulation tank; 23. a sounding monomer; 3. an auxiliary cover plate; 31. a third flow channel; 32. a second seal; 4. a tooling cover plate; 41. a first receiving groove; 42. a first seal.
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 and 2, a test fixture for a speaker includes
The base 1 is used for placing a lower shell 2 of a loudspeaker, the lower shell 2 is provided with a first circulation groove 21 and a second circulation groove 22 which are communicated, and a sounding monomer 23 is arranged in the first circulation groove 21;
the tooling cover plate 4 is arranged on the base 1, and the bottom of the tooling cover plate 4 covers the first flow channel 21 and forms a first cavity with the first flow channel 21;
the auxiliary cover plate 3 is detachably arranged at the bottom of the tooling cover plate 4, the bottom of the auxiliary cover plate 3 is covered on the second circulation groove 22 and forms a second cavity with the second circulation groove 22, and the auxiliary cover plate 3 is further provided with a third cavity communicated with the second cavity.
From the above description, the beneficial effects of the utility model are as follows: through set up detachable auxiliary cover plate 3 at frock apron 4, form first cavity between the first runner 21 of frock apron 4 and inferior valve 2, form the second cavity between auxiliary cover plate 3 and the second runner 22 of inferior valve 2 to auxiliary cover plate 3 has the third cavity, forms the back chamber jointly by first, two, three cavitys, and the accessible changes the auxiliary cover plate 3 that has different third cavitys and makes back chamber structure change to adapt to the test demand of different speakers, promoted the suitability.
Further, one end of the tool cover plate 4 is rotatably connected with the base 1, and the other end of the tool cover plate is detachably connected with the base 1.
As can be seen from the above description, the tool cover plate 4 is rotatably connected with the base 1, so as to facilitate the operation of the tool cover plate 4.
Further, the base 1 is provided with a positioning groove 12, and the other end of the tool cover plate 4 is detachably mounted in the positioning groove 12.
As can be seen from the above description, the positioning groove 12 is convenient for positioning the tool cover plate 4 and the base 1, so as to ensure that the tool cover plate 4 can be accurately covered on the lower shell 2.
Further, the base 1 is further provided with a guide opening 13 communicating with the positioning groove 12.
As is clear from the above description, the guide opening 13 is used for guiding the other end of the tool cover plate 4 into the positioning slot 12.
Furthermore, a first accommodating groove 41 is further formed in the bottom of the tool cover plate 4, and the auxiliary cover plate 3 is detachably mounted in the first accommodating groove 41.
As can be seen from the above description, the first receiving groove 41 facilitates the installation of the auxiliary cover plate 3, and ensures the accuracy of the installation positions of the auxiliary cover plate 3 and the tooling cover plate 4.
Further, a first sealing member 42 is disposed at the bottom of the tooling cover plate 4, and the first sealing member 42 is configured to abut against an edge of the lower shell 2 corresponding to the first circulation groove 21.
As is apparent from the above description, the first seal member 42 can ensure the sealing property of the first chamber.
Further, a second sealing member 32 is disposed at the bottom of the auxiliary cover plate 3, and the second sealing member 32 is configured to abut against an edge of the lower case 2 corresponding to the second circulation groove 22.
As is apparent from the above description, the second seal 32 can ensure the sealability of the second chamber.
Further, a first buffer member 14 is disposed on the base 1, and the first buffer member 14 is configured to abut against the lower case 2.
As is apparent from the above description, the first buffer member 14 is capable of buffering the lower case 2, reducing the risk of the lower case 2 being scratched by the base 1 when placed on the base 1.
Further, the first buffer member 14 is made of foam, sponge or rubber.
As can be seen from the above description, the material of the first buffer member 14 can be selected according to practical application requirements.
Further, the base 1 is provided with a second receiving groove 11 for receiving the first buffer member 14.
As can be seen from the above description, the second receiving groove 11 is convenient for receiving the first buffer member 14, so as to avoid the offset of the mounting position of the first buffer member 14.
Example 1
Referring to fig. 1 and 2, a first embodiment of the utility model is as follows: the utility model provides a test fixture of speaker, includes base 1, frock apron 4 and auxiliary cover plate 3, base 1 is used for placing the inferior valve 2 of speaker, inferior valve 2 is equipped with first circulation groove 21 and the second circulation groove 22 that are linked together, install sound production monomer 23 in the first circulation groove 21; the tooling cover plate 4 is mounted on the base 1, and the bottom of the tooling cover plate 4 covers the first flow through groove 21 and forms a first cavity with the first flow through groove 21; the auxiliary cover plate 3 is detachably mounted at the bottom of the tooling cover plate 4, the bottom of the auxiliary cover plate 3 is covered on the second circulation groove 22 and forms a second cavity with the second circulation groove 22, the auxiliary cover plate 3 is also provided with a third cavity communicated with the second cavity, a first cavity is formed between the tooling cover plate 4 and the first circulation groove 21 of the lower shell 2 by arranging the detachable auxiliary cover plate 3 on the tooling cover plate 4, a second cavity is formed between the auxiliary cover plate 3 and the second circulation groove 22 of the lower shell 2, the auxiliary cover plate 3 is provided with the third cavity, the first cavity, the second cavity and the third cavity jointly form a rear cavity, and the structure of the rear cavity can be changed by changing the auxiliary cover plate 3 with different third cavities, so that the test requirements of different speakers are met, and the applicability is improved; in detail, the auxiliary cover plate 3 is mounted at the bottom of the tool cover plate 4 through bolts.
In more detail, the tooling cover plate 4 is provided with a copper column which is electrically connected and conducted with a metal bonding pad on the sounding monomer 23, and the sounding monomer 23 is electrified through the copper column, so that the sounding monomer 23 is ensured to run.
Preferably, one end of the tool cover plate 4 is rotatably connected with the base 1, and the other end of the tool cover plate 4 is detachably connected with the base 1, and the tool cover plate 4 is rotatably connected with the base 1, so that the tool cover plate 4 can be conveniently operated; specifically, the base 1 is provided with a positioning groove 12, the other end of the tool cover plate 4 is detachably mounted in the positioning groove 12, and the positioning groove 12 is convenient for positioning the tool cover plate 4 and the base 1 in cooperation, so that the tool cover plate 4 can be accurately covered on the lower shell 2; in detail, the base 1 is further provided with a guiding opening 13 communicated with the positioning groove 12, and the guiding opening 13 is used for guiding the other end of the tooling cover plate 4 into the positioning groove 12; the other end of the tool cover plate 4 is fixedly arranged in the positioning groove 12 through a bolt.
In this embodiment, a first receiving groove 41 is further formed in the bottom of the tooling cover plate 4, the auxiliary cover plate 3 is detachably mounted in the first receiving groove 41, and the first receiving groove 41 is convenient for mounting the auxiliary cover plate 3, so that accuracy of mounting positions of the auxiliary cover plate 3 and the tooling cover plate 4 is ensured; in detail, the auxiliary cover plate 3 is provided with a third flow channel 31, a communication port communicated with the bottom of the auxiliary cover plate 3 is formed in the third flow channel 31, so that the third flow channel 31 is ensured to be communicated with the second cavity, the tool cover plate 4 covers the third flow channel 31 and forms a third cavity with the third flow channel 31, and the specific structure of the third cavity is determined by the structure of the third flow channel 31, so that when the structure of the rear cavity needs to be changed, the auxiliary cover plate 3 with the third flow channel 31 with different structures can be replaced to the tool cover plate 4, thereby realizing the adjustment of the integral structure of the rear cavity, and further adapting to the test requirements of different speakers.
Preferably, a first sealing member 42 is provided at the bottom of the tooling cover plate 4, the first sealing member 42 is configured to abut against the edge of the lower shell 2 corresponding to the first flow channel 21, and the first sealing member 42 can ensure the tightness of the first cavity; further, a second sealing member 32 is arranged at the bottom of the auxiliary cover plate 3, the second sealing member 32 is used for abutting against the edge of the lower shell 2 corresponding to the second circulation groove 22, and the second sealing member 32 can ensure the tightness of the second cavity; alternatively, the materials of the first sealing member 42 and the second sealing member 32 may be foam, sponge or rubber, which may be specifically selected according to practical application requirements.
In this embodiment, the base 1 is provided with a first buffer member 14, where the first buffer member 14 is configured to collide with the lower shell 2, and the first buffer member 14 is capable of buffering the lower shell 2, so that the risk of scratching the lower shell 2 by the base 1 when the lower shell 2 is placed on the base 1 is reduced; optionally, the first buffer member 14 is made of foam, sponge or rubber; specifically, the base 1 is provided with a second accommodating groove 11 for accommodating the first buffer member 14, and the second accommodating groove 11 is convenient for accommodating the first buffer member 14, so as to avoid the deviation of the installation position of the first buffer member 14; further optionally, a second buffer member may be disposed at the bottom of the auxiliary cover plate 3, where the second buffer member abuts against a position of the lower case 2 corresponding to the second flow groove 22.
In summary, the test fixture for the loudspeaker has the characteristic of high applicability, the detachable auxiliary cover plate is arranged on the fixture cover plate, the first cavity is formed between the fixture cover plate and the first flow channel of the lower shell, the second cavity is formed between the auxiliary cover plate and the second flow channel of the lower shell, the auxiliary cover plate is provided with the third cavity, the first cavity, the second cavity and the third cavity jointly form the rear cavity, and the structure of the rear cavity is changed by changing the auxiliary cover plate with different third cavities, so that the test fixture for the loudspeaker is suitable for test requirements of different loudspeakers, and the applicability is improved.
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. A test fixture of speaker, its characterized in that includes
The base is used for placing a lower shell of the loudspeaker, the lower shell is provided with a first flow channel and a second flow channel which are communicated, and a sounding monomer is arranged in the first flow channel;
the tooling cover plate is arranged on the base, and the bottom of the tooling cover plate covers the first flow channel and forms a first cavity with the first flow channel;
the auxiliary cover plate is detachably arranged at the bottom of the tool cover plate, the bottom of the auxiliary cover plate covers the second flow groove and forms a second cavity with the second flow groove, and the auxiliary cover plate is further provided with a third cavity communicated with the second cavity.
2. The loudspeaker test fixture of claim 1, wherein one end of the fixture cover plate is rotatably connected to the base, and the other end is detachably connected to the base.
3. The loudspeaker testing fixture of claim 2, wherein the base is provided with a positioning groove, and the other end of the fixture cover plate is detachably mounted in the positioning groove.
4. A loudspeaker test fixture according to claim 3, wherein the base is further provided with a guide opening communicating with the positioning slot.
5. The loudspeaker testing fixture of claim 1, wherein a first accommodating groove is further formed in the bottom of the fixture cover plate, and the auxiliary cover plate is detachably mounted in the first accommodating groove.
6. The loudspeaker testing fixture of claim 1, wherein a first sealing member is arranged at the bottom of the fixture cover plate, and the first sealing member is used for abutting against the edge of the lower shell corresponding to the first flow channel.
7. The loudspeaker testing fixture of claim 1, wherein a second sealing member is arranged at the bottom of the auxiliary cover plate, and the second sealing member is used for abutting against the edge of the lower shell corresponding to the second flow channel.
8. The loudspeaker testing fixture of claim 1, wherein the base is provided with a first buffer member, and the first buffer member is used for abutting against the lower shell.
9. The loudspeaker test fixture of claim 8, wherein the first cushioning member is made of foam, sponge or rubber.
10. The loudspeaker test fixture of claim 8, wherein the base is provided with a second receiving groove for receiving the first buffer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223606365.8U CN219181685U (en) | 2022-12-29 | 2022-12-29 | Test fixture of speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223606365.8U CN219181685U (en) | 2022-12-29 | 2022-12-29 | Test fixture of speaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219181685U true CN219181685U (en) | 2023-06-13 |
Family
ID=86676592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223606365.8U Active CN219181685U (en) | 2022-12-29 | 2022-12-29 | Test fixture of speaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219181685U (en) |
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2022
- 2022-12-29 CN CN202223606365.8U patent/CN219181685U/en active Active
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