CN212485512U - Radio frequency filter with plastic package structure - Google Patents
Radio frequency filter with plastic package structure Download PDFInfo
- Publication number
- CN212485512U CN212485512U CN202021312695.4U CN202021312695U CN212485512U CN 212485512 U CN212485512 U CN 212485512U CN 202021312695 U CN202021312695 U CN 202021312695U CN 212485512 U CN212485512 U CN 212485512U
- Authority
- CN
- China
- Prior art keywords
- shell
- sealing cover
- resonance
- frequency filter
- casing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a radio frequency filter of plastic envelope structure, including filter body and fixing bolt, the filter body is formed by sealed lid and casing combination, the casing upper surface is provided with sealed lid, sealed lid inner wall one side is provided with the draw-in groove, the casing upper surface is provided with the fixture block, the casing passes through the fixture block of upper surface and is connected with the draw-in groove interference of sealed lid lower surface, sealed lid outer wall both sides all are provided with screw hole A, casing outer wall both sides all are provided with screw hole B. The utility model discloses a setting of a series of structures makes radio frequency filter have better leakproofness, and the part in the effectual protection resonance storehouse does not wet and the erosion of dust, has improved the part life in the resonance storehouse, can provide the protection of shock attenuation and buffering to the part in the resonance storehouse simultaneously, and the part in having avoided the resonance storehouse receives the vibrations of external force and damages in the casing transportation.
Description
Technical Field
The utility model relates to a wave filter technical field specifically is a radio frequency filter of plastic envelope structure.
Background
In the radio frequency filter with the plastic package structure, a port of the radio frequency filter is a very important index, the port is used for realizing coupling and matching between the inside of the filter and the outside, whether the structure, the position and the like of the port directly influence the index of a product or not, the port of the traditional filter is input from the side wall, but along with the rapid development of the wireless mobile communication technology, the radio frequency filter develops towards the direction of miniaturization and integration, and must be designed into more compact layout and small volume; the existing radio frequency filter has poor sealing performance after being installed, so that internal parts are easily corroded by external moisture and dust, the service life of the internal parts of the radio frequency filter is shortened, meanwhile, the radio frequency filter is not provided with corresponding shock absorption and buffering equipment, and when the radio frequency filter is transported, the internal parts of the radio frequency filter are easily damaged due to the fact that external force is applied to the radio frequency filter, and therefore certain improvement is needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a radio frequency filter of plastic envelope structure to solve the problem among the prior art.
In order to achieve the above object, the utility model provides a following technical scheme: a radio frequency filter with a plastic package structure comprises a filter body and a fixing bolt, wherein the filter body is formed by combining a sealing cover and a shell, the upper surface of the shell is provided with the sealing cover, one side of the inner wall of the sealing cover is provided with a clamping groove, the upper surface of the shell is provided with a clamping block, the shell is in interference connection with the clamping groove on the lower surface of the sealing cover through the clamping block on the upper surface, both sides of the outer wall of the sealing cover are provided with threaded holes A, both sides of the outer wall of the shell are provided with threaded holes B, the fixing bolt penetrates through the threaded holes A on the sealing cover and the threaded holes B on the shell to be in meshing connection with the sealing cover and the shell, the lower surface of the shell is provided with an elastic spring, the other end of, and the upper surface of the metal gasket is provided with a resonance sheet.
Preferably, the shell is connected with the base through a gap.
Preferably, a medium sleeve is arranged on one side of the lower surface of the metal gasket.
Preferably, one end of the elastic spring is connected with the shell in an adhesive mode, and the other end of the elastic spring is connected with the base in an adhesive mode.
Preferably, the upper surface of the sealing cover is provided with a lifting handle.
Compared with the prior art, the beneficial effects of the utility model are that: through the setting of the draw-in groove on the sealed lid and the fixture block on the casing, the casing passes through the fixture block of upper surface and is connected with the draw-in groove interference of sealed lid lower surface, make the leakproofness behind sealed lid and the casing installation obtain improving, the part in the effectual protection resonance storehouse does not wet and the erosion of dust, part life in the resonance storehouse has been improved, fixing bolt passes screw hole A on the sealed lid and the screw hole B on the casing and is connected with sealed lid and casing meshing, fixing bolt can guarantee the steadiness between sealed lid and the casing, prevent when the filter body transports, sealed lid drops on the casing, can provide the protection of shock attenuation and buffering to the part in the resonance storehouse through the elasticity spring, the part in having avoided the resonance storehouse receives the vibrations of external force and damages in the casing transportation. The utility model discloses a setting of a series of structures makes radio frequency filter have better leakproofness, and the part in the effectual protection resonance storehouse does not wet and the erosion of dust, has improved the part life in the resonance storehouse, can provide the protection of shock attenuation and buffering to the part in the resonance storehouse simultaneously, and the part in having avoided the resonance storehouse receives the vibrations of external force and damages in the casing transportation.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is an enlarged schematic view of a portion a of fig. 1 according to the present invention.
Fig. 4 is a schematic structural view of the sealing cover of the present invention.
In the figure: 1. a filter body; 2. a housing; 3. a base; 4. a tension spring; 5. a resonance bin; 6. a boss; 7. a dielectric sleeve; 8. a metal gasket; 9. a resonant chip; 10. fixing the bolt; 11. a clamping block; 12. a sealing cover; 13. lifting the handle; 14. a threaded hole A; 15. a threaded hole B; 16. a clamping groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, in the embodiment of the present invention, a radio frequency filter with a plastic package structure includes a filter body 1 and a fixing bolt 10, the filter body 1 is formed by combining a sealing cover 12 and a housing 2, a sealing cover 12 is disposed on an upper surface of the housing 2, a slot 16 is disposed on one side of an inner wall of the sealing cover 12, a latch 11 is disposed on an upper surface of the housing 2, the housing 2 is in interference connection with the slot 16 on a lower surface of the sealing cover 12 through the latch 11 on the upper surface, threaded holes a14 are disposed on both sides of an outer wall of the sealing cover 12, threaded holes B15 are disposed on both sides of an outer wall of the housing 2, the fixing bolt 10 is engaged with the sealing cover 12 and the housing 2 through the threaded hole a14 on the sealing cover 12 and the threaded hole B15 on the housing 2, a tension spring 4 is disposed on the lower surface of, the upper surface of the boss 6 is provided with a metal gasket 8, the upper surface of the metal gasket 8 is provided with a resonance sheet 9, the shell 2 is in clearance connection with the base 3, one side of the lower surface of the metal gasket 8 is provided with a medium sleeve 7, one end of the elastic spring 4 is in adhesive connection with the shell 2, the other end of the elastic spring 4 is in adhesive connection with the base 3, the upper surface of the sealing cover 12 is provided with a lifting handle 13, the shell 2 is in interference connection with the clamping groove 16 on the lower surface of the sealing cover 12 through the clamping groove 11 on the upper surface and the clamping groove 16 on the lower surface of the sealing cover 12 through the clamping groove 11 on the upper surface, so that the sealing performance of the sealing cover 12 and the shell 2 after installation is improved, parts in the resonance bin 5 are effectively protected from being corroded by damp and dust, the service lives of the parts in the resonance bin 5 are prolonged, the fixing bolt 10 penetrates through a threaded hole A85, fixing bolt 10 can guarantee the steadiness between sealed lid 12 and the casing 2, prevents that when filter body 1 transports, sealed lid 12 drops on casing 2, can provide the protection of shock attenuation and buffering to the part in the resonance storehouse 5 through elasticity spring 4, has avoided the part in the resonance storehouse 5 to receive the vibrations of external force and damage in casing 2 transportation.
The utility model discloses a theory of operation is: through the arrangement of the clamping groove 16 on the sealing cover 12 and the clamping block 11 on the shell 2, the shell 2 is in interference connection with the clamping groove 16 on the lower surface of the sealing cover 12 through the clamping block 11 on the upper surface, so that the sealing performance of the sealing cover 12 and the shell 2 after installation is improved, parts in the resonance bin 5 are effectively protected from being corroded by damp and dust, the service life of the parts in the resonance bin 5 is prolonged, the fixing bolt 10 penetrates through the threaded hole A14 on the sealing cover 12 and the threaded hole B15 on the shell 2 to be meshed with the sealing cover 12 and the shell 2, the fixing bolt 10 can ensure the stability between the sealing cover 12 and the shell 2, and the sealing cover 12 is prevented from falling off on the shell 2 when the filter body 1 is transported, the parts in the resonance bin 5 can be protected by damping and buffering through the elastic spring 4, and the parts in the resonance bin 5 are prevented from being damaged due to vibration of external force in the transportation process of the shell 2.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. A radio frequency filter with a plastic package structure comprises a filter body (1) and a fixing bolt (10), and is characterized in that the filter body (1) is formed by combining a sealing cover (12) and a shell (2), the upper surface of the shell (2) is provided with the sealing cover (12), one side of the inner wall of the sealing cover (12) is provided with a clamping groove (16), the upper surface of the shell (2) is provided with a clamping block (11), the shell (2) is in interference connection with the clamping groove (16) on the lower surface of the sealing cover (12) through the clamping block (11) on the upper surface, both sides of the outer wall of the sealing cover (12) are provided with threaded holes A (14), both sides of the outer wall of the shell (2) are provided with threaded holes B (15), the fixing bolt (10) penetrates through the threaded holes A (14) on the sealing cover (12) and the threaded holes B (15) on the shell (2), the improved shell structure is characterized in that a tension spring (4) is arranged on the lower surface of the shell (2), a base (3) is arranged at the other end of the tension spring (4), a resonance bin (5) is arranged inside the shell (2), a boss (6) is arranged at the bottom of the inner wall of the resonance bin (5), a metal gasket (8) is arranged on the upper surface of the boss (6), and a resonance sheet (9) is arranged on the upper surface of the metal gasket (8).
2. The radio-frequency filter with the plastic package structure as claimed in claim 1, wherein the housing (2) is connected to the base (3) through a gap.
3. The radio frequency filter with the plastic package structure according to claim 1, wherein a dielectric sleeve (7) is disposed on one side of the lower surface of the metal gasket (8).
4. The radio-frequency filter with the plastic package structure according to claim 1, wherein one end of the elastic spring (4) is connected with the housing (2) through bonding, and the other end of the elastic spring (4) is connected with the base (3) through bonding.
5. A radio-frequency filter with a plastic package structure according to claim 1, wherein a lifting handle (13) is disposed on the upper surface of the sealing cover (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021312695.4U CN212485512U (en) | 2020-07-07 | 2020-07-07 | Radio frequency filter with plastic package structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021312695.4U CN212485512U (en) | 2020-07-07 | 2020-07-07 | Radio frequency filter with plastic package structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212485512U true CN212485512U (en) | 2021-02-05 |
Family
ID=74455982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021312695.4U Active CN212485512U (en) | 2020-07-07 | 2020-07-07 | Radio frequency filter with plastic package structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212485512U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113049054A (en) * | 2021-03-12 | 2021-06-29 | 上海晟颢信息科技有限公司 | Based on 4G whole net leads to gas instrument data teletransmission device |
-
2020
- 2020-07-07 CN CN202021312695.4U patent/CN212485512U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113049054A (en) * | 2021-03-12 | 2021-06-29 | 上海晟颢信息科技有限公司 | Based on 4G whole net leads to gas instrument data teletransmission device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11272290B2 (en) | Speaker module and electronic device | |
| CN212485512U (en) | Radio frequency filter with plastic package structure | |
| CN103338020A (en) | A crystal oscillator damping device | |
| US20120020508A1 (en) | Electronic device with speaker | |
| CN208690478U (en) | Display terminal with built-in antenna | |
| TWI508571B (en) | Fixing mechanism for fixing a sound box and related electronic device | |
| CN209676710U (en) | A kind of smart phone board structure of circuit | |
| CN102883254A (en) | Silicon microphone packaging structure | |
| WO2021004394A1 (en) | Terminal device | |
| CN212909453U (en) | Built-in electric capacity ceramic resonator | |
| CN113853087B (en) | Explosion-proof box | |
| CN213753228U (en) | Connector with good sealing performance structure | |
| CN212259570U (en) | Filtering module | |
| CN204348334U (en) | A kind of closed mobile hard disc box | |
| CN210247045U (en) | Portable loudspeaker | |
| CN205028991U (en) | Transmitter radio frequency output device | |
| CN209358509U (en) | Wideband power supply filter | |
| CN213043658U (en) | Quartz crystal resonator with high air tightness | |
| CN215834341U (en) | Combined magnetic ring for preventing cross crosstalk | |
| CN214959464U (en) | Anti-interference air-cooled very low frequency tuned filter | |
| CN213305977U (en) | Ceramic dielectric waveguide filter | |
| CN214578564U (en) | Shock absorption protection device for electric appliance connection | |
| CN212412175U (en) | Combined antenna and handheld antenna device | |
| CN213418749U (en) | NB-ioT lock with low power consumption | |
| CN109412547A (en) | Broad-frequency high-power power-supply filter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |