CN214480511U - Three-channel surface acoustic wave filter - Google Patents
Three-channel surface acoustic wave filter Download PDFInfo
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- CN214480511U CN214480511U CN202120485749.5U CN202120485749U CN214480511U CN 214480511 U CN214480511 U CN 214480511U CN 202120485749 U CN202120485749 U CN 202120485749U CN 214480511 U CN214480511 U CN 214480511U
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Abstract
The utility model relates to the technical field of three-channel surface acoustic wave filter, and discloses a three-channel surface acoustic wave filter, which comprises a base, a protective shell is arranged on the upper side of the base, a groove is arranged above the base, the outer surface of the bottom end of the protective shell is inserted in the groove and is in threaded connection with the inner wall of the base, the heat-conducting silica gel and the internal elements are arranged in the protective shell, the first spring and the first limit block are arranged in the groove of the base, the lower surface of the first spring is fixedly connected with the lower surface of the groove of the base, when in use, the positioning mechanism is clamped into the groove of the protective shell to limit the protective shell to move up and down, then the heat-conducting glue is poured in, because the heat-conducting glue is annular, the heat-conducting glue can be well sealed, and then the insulating heat-conducting pad is covered and installed, so that the purpose of installation is achieved, and perfect protection can be generated.
Description
Technical Field
The utility model relates to a wave filter technical field specifically is a three channel surface acoustic wave filter.
Background
The power filter is a filter circuit consisting of a capacitor, an inductor and a resistor. The filter can effectively filter the frequency point of specific frequency in the power cord or the frequency beyond this frequency point, obtain the power signal of a specific frequency, or eliminate the power signal behind a specific frequency, current three-channel surface acoustic wave filter exposes in the air when using, its security and stability can't be guaranteed, receive external damage easily, and internal connection uses the welding more, often need destroy the welding department when carrying out the dismouting and reach the purpose of demolising, nevertheless carry out the destructive formula and demolish very easily and damage inner structure, consequently, can not reach used repeatedly and the purpose of being convenient for demolish.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a three channel surface acoustic wave filter reaches convenient to installation dismantlement's purpose.
In order to achieve the above object, the utility model provides a following technical scheme: a three-channel surface acoustic wave filter comprises a base, wherein a protective shell is arranged on the upper side of the base, a groove is formed above the base, the outer surface of the bottom end of the protective shell is inserted in the groove and is in threaded connection with the inner wall of the base, heat-conducting silica gel and internal elements are arranged inside the protective shell, a first spring and a first limiting block are arranged in the groove of the base, the lower surface of the first spring is fixedly connected to the lower surface of the groove of the base, the upper end of the first spring is fixedly connected with the lower surface of the first limiting block, a groove is formed in the inner wall of the bottom of the protective shell, and a limiting mechanism is clamped in the groove;
the limiting mechanism comprises a second limiting block, a second spring, a third limiting block, a third spring, a fourth limiting block, a fifth limiting block, a fourth spring and a sixth limiting block, the outer surface of the second limiting block is fixedly connected with the left end of the second spring, the right end of the second spring is fixedly connected with the inner wall of the base, the left end of the second limiting block is fixedly connected to the right side of the third limiting block, the right end of the third spring is fixedly connected to the inner wall of the third limiting block, the left end of the third spring is fixedly connected to the right end of the fourth limiting block, the fifth limiting block is placed on the upper surface of the fourth limiting block, the upper surface of the fifth limiting block is fixedly connected with the lower end of the fourth spring, and the upper end of the fourth spring is fixedly connected to the lower surface of the sixth limiting block;
the heat conduction silica gel sets up the cavity that forms between internal element and base, protective housing, the lower extreme of internal element runs through the base and extends to the bottom outside of base, the lower fixed surface of base is connected with insulating heat conduction pad.
Preferably, the number of the limiting mechanisms is two.
Preferably, the inner element penetrates through the base and is fixedly connected with the base through heat conducting glue.
Preferably, the lower end of the internal element penetrates through the insulating and heat-conducting pad.
Preferably, the height of the protective shell is greater than that of the base.
Preferably, the limiting mechanism is arranged inside the base.
The utility model provides a three-channel surface acoustic wave filter. The method has the following beneficial effects:
(1) the utility model discloses a place the protective housing with internal element inside, fill the back of pouring with heat conduction silica gel, twist the base with the protective housing rotation, because the recess reason of the downside of protective housing, when the protective housing downstream reaches stop gear department, stop gear can block into the recess of protective housing, make the protective housing by the restriction reciprocate, then fill into with heat conduction glue, because heat conduction glue is annular, can seal well, cover the installation with insulating heat conduction pad afterwards, the purpose of installation has just been reached, and can produce perfect protection to it.
(2) The utility model discloses only need continue to twist when demolising and move the protective housing, make the recess upper surface of protective housing extrude the third stopper, make sixth stopper card advance in the draw-in groove of sixth stopper right side top, thereby it can not pop out to restrict the third stopper, make the protective housing can reverse twist and move, thereby break away from the base, only need use tool to promote the fourth stopper when using again and make the fifth stopper descend and drive the sixth stopper and descend and break away from the draw-in groove, the third spring promotes the fifth stopper afterwards and makes the sixth stopper reset, thereby reach the purpose that used repeatedly was convenient for demolish.
Drawings
FIG. 1 is a schematic front view, sectional structure of the present invention;
FIG. 2 is an enlarged schematic view of the limiting mechanism of the present invention;
fig. 3 is a front view of the present invention.
In the figure: the heat-conducting heat.
Detailed Description
As shown in fig. 1-3, the utility model provides a technical solution: a three-channel surface acoustic wave filter comprises a base 1, a protective shell 2 is arranged on the upper side of the base 1, the height of the protective shell 2 is greater than that of the base 1, a groove is arranged above the base 1, the outer surface of the bottom end of the protective shell 2 is inserted in the groove and is in threaded connection with the inner wall of the base 1, a heat-conducting silica gel 3 and an internal element 4 are arranged inside the protective shell 2, a first spring 6 and a first stopper 5 are arranged inside the groove of the base 1, the lower surface of the first spring 6 is fixedly connected with the lower surface of the groove of the base 1, the upper end of the first spring 6 is fixedly connected with the lower surface of the first stopper 5, a groove is arranged on the inner wall of the bottom of the protective shell 2, a limiting mechanism 9 is clamped inside the groove, and the limiting mechanism 9 is arranged inside the base 1. the three-channel surface acoustic wave filter has the advantages that the internal element 4 is placed inside the protective shell 2, after the heat-conducting silica gel 3 is filled and poured, the protective shell 2 is screwed into the base 1 in a rotating mode, due to the fact that the groove on the lower side of the protective shell 2 is formed, when the protective shell 2 moves downwards to the position of the limiting mechanism 9, the limiting mechanism 9 can be clamped into the groove of the protective shell 2, the protective shell 2 is limited to move upwards and downwards, then the heat-conducting glue 8 is filled, and sealing can be well conducted due to the fact that the heat-conducting glue 8 is annular;
the limiting mechanism 9 comprises a second limiting block 901, a second spring 902, a third limiting block 903, a third spring 904, a fourth limiting block 905, a fifth limiting block 906, a fourth spring 907 and a sixth limiting block 908, wherein the outer surface of the second limiting block 901 is fixedly connected with the left end of the second spring 902, the right end of the second spring 902 is fixedly connected with the inner wall of the base 1, the left end of the second limiting block 901 is fixedly connected with the right side of the third limiting block 903, the right end of the third spring 904 is fixedly connected with the inner wall of the third limiting block 903, the left end of the third spring 904 is fixedly connected with the right end of the fourth limiting block 905, the fifth limiting block 906 is placed on the upper surface of the fourth limiting block 905, the upper surface of the fifth limiting block 906 is fixedly connected with the lower end of the fourth spring 907, the upper end of the fourth spring 907 is fixedly connected with the lower surface of the sixth limiting block 908, and the protective shell 2 only needs to be continuously screwed when being dismounted, the upper surface of the groove of the protective shell 2 is made to extrude the third limiting block 903, so that the sixth limiting block 908 is clamped into the clamping groove above the right side of the sixth limiting block 908, the third limiting block 903 is limited to be not popped out, the protective shell 2 can be twisted reversely, so that the protective shell is separated from the base 1, when the protective shell is used again, only a tool is needed to push the fourth limiting block 905 to enable the fifth limiting block 906 to descend to drive the sixth limiting block 908 to descend to be separated from the clamping groove, then the third spring 904 pushes the fifth limiting block 906 to enable the sixth limiting block 908 to reset, so that the purpose of being used repeatedly and convenient to remove is achieved, and the number of the limiting mechanisms 9 is two;
heat conduction silica gel 3 sets up at internal component 4 and base 1, the cavity that forms between protective housing 2, the lower extreme of internal component 4 runs through base 1 and extends to the bottom outside of base 1, internal component 4 runs through base 1 department and passes through heat conduction glue 8 fixed connection, base 1's lower fixed surface is connected with insulating heat conduction pad 7, the lower extreme of internal component 4 runs through insulating heat conduction pad 7, cover the installation back with insulating heat conduction pad 7, the purpose of installation has just been reached, and can produce perfect protection to it.
The working principle is as follows: the internal element 4 is placed inside the protective shell 2, after the heat-conducting silica gel 3 is filled and poured, the protective shell 2 is screwed into the base 1 in a rotating mode, due to the fact that the groove on the lower side of the protective shell 2 is formed, when the protective shell 2 moves downwards to the position of the limiting mechanism 9, the limiting mechanism 9 can be clamped into the groove of the protective shell 2, the protective shell 2 is limited to move up and down, then the heat-conducting glue 8 is poured in, due to the fact that the heat-conducting glue 8 is annular, sealing can be well conducted, then the insulating heat-conducting pad 7 is installed in a covering mode, the installation purpose is achieved, perfect protection can be achieved, when the protective shell is dismounted, only the protective shell 2 needs to be screwed continuously, the third limiting block 903 is extruded on the upper surface of the groove of the protective shell 2, the sixth limiting block 908 is clamped into the clamping groove above the right side of the sixth limiting block 908, and therefore the third limiting block 903 is prevented from popping out, the protective shell 2 can be twisted reversely to be separated from the base 1, when the protective shell is used again, only a tool is needed to push the fourth limiting block 905 to enable the fifth limiting block 906 to descend to drive the sixth limiting block 908 to descend to be separated from the clamping groove, and then the third spring 904 pushes the fifth limiting block 906 to enable the sixth limiting block 908 to reset, so that the aim of being repeatedly used and convenient to detach is fulfilled.
Claims (6)
1. A three-channel surface acoustic wave filter comprising a base (1), characterized in that: a protective shell (2) is arranged on the upper side of the base (1), a groove is formed above the base (1), the outer surface of the bottom end of the protective shell (2) is inserted into the groove and is in threaded connection with the inner wall of the base (1), heat-conducting silica gel (3) and an internal element (4) are arranged inside the protective shell (2), a first spring (6) and a first limiting block (5) are arranged in the groove of the base (1), the lower surface of the first spring (6) is fixedly connected to the lower surface of the groove of the base (1), the upper end of the first spring (6) is fixedly connected with the lower surface of the first limiting block (5), a groove is formed in the inner wall of the bottom of the protective shell (2), and a limiting mechanism (9) is clamped in the groove;
the limiting mechanism (9) comprises a second limiting block (901), a second spring (902), a third limiting block (903), a third spring (904), a fourth limiting block (905), a fifth limiting block (906), a fourth spring (907) and a sixth limiting block (908), the outer surface of the second limiting block (901) is fixedly connected with the left end of the second spring (902), the right end of the second spring (902) is fixedly connected with the inner wall of the base (1), the left end of the second limiting block (901) is fixedly connected with the right side of the third limiting block (903), the right end of the third spring (904) is fixedly connected with the inner wall of the third limiting block (903), the left end of the third spring (904) is fixedly connected with the right end of the fourth limiting block (905), the fifth limiting block (906) is arranged on the upper surface of the fourth limiting block (905), the upper surface of the fifth limiting block (906) is fixedly connected with the lower end of the fourth spring (907), the upper end of the fourth spring (907) is fixedly connected to the lower surface of the sixth limiting block (908);
heat conduction silica gel (3) set up the cavity that forms between internal component (4) and base (1), protective housing (2), the lower extreme of internal component (4) runs through base (1) and extends to the bottom outside of base (1), the lower fixed surface of base (1) is connected with insulating heat conduction pad (7).
2. A three-channel surface acoustic wave filter as set forth in claim 1, wherein: the number of the limiting mechanisms (9) is two.
3. A three-channel surface acoustic wave filter as set forth in claim 1, wherein: the internal elements (4) penetrate through the base (1) and are fixedly connected through heat conducting glue (8).
4. A three-channel surface acoustic wave filter as set forth in claim 1, wherein: the lower end of the inner element (4) penetrates through the insulating heat-conducting pad (7).
5. A three-channel surface acoustic wave filter as set forth in claim 1, wherein: the height of the protective shell (2) is greater than that of the base (1).
6. A three-channel surface acoustic wave filter as set forth in claim 1, wherein: the limiting mechanism (9) is arranged inside the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120485749.5U CN214480511U (en) | 2021-03-08 | 2021-03-08 | Three-channel surface acoustic wave filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120485749.5U CN214480511U (en) | 2021-03-08 | 2021-03-08 | Three-channel surface acoustic wave filter |
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| Publication Number | Publication Date |
|---|---|
| CN214480511U true CN214480511U (en) | 2021-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120485749.5U Active CN214480511U (en) | 2021-03-08 | 2021-03-08 | Three-channel surface acoustic wave filter |
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| CN (1) | CN214480511U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114745883A (en) * | 2022-03-17 | 2022-07-12 | 深圳市合讯电子有限公司 | Acoustic surface filter with high temperature stability |
-
2021
- 2021-03-08 CN CN202120485749.5U patent/CN214480511U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114745883A (en) * | 2022-03-17 | 2022-07-12 | 深圳市合讯电子有限公司 | Acoustic surface filter with high temperature stability |
| CN114745883B (en) * | 2022-03-17 | 2024-04-30 | 深圳市合讯电子有限公司 | High temperature stability sound surface filter |
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