CN209929614U - Coaxial connector for cavity filter - Google Patents
Coaxial connector for cavity filter Download PDFInfo
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- CN209929614U CN209929614U CN201921271016.0U CN201921271016U CN209929614U CN 209929614 U CN209929614 U CN 209929614U CN 201921271016 U CN201921271016 U CN 201921271016U CN 209929614 U CN209929614 U CN 209929614U
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- connecting pipe
- connector
- inner connecting
- pipe
- coaxial connector
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Abstract
The utility model relates to a coaxial connector for cavity filter, which comprises an outer shell, wherein an outer connecting pipe is sleeved in the outer shell, one end of the outer connecting pipe is connected with an inner connecting pipe, the inner connecting pipe is positioned at the outer side of the outer shell, outer connecting threads and inner connecting threads are spirally distributed on the outer side surfaces of the outer connecting pipe and the inner connecting pipe respectively, a fastening nut is sleeved at the outer side of the inner connecting pipe through the inner connecting threads, a protective pipe is sleeved at the inner side of the inner connecting pipe, the coaxial connector has the advantages of simple structure, stability, reliability, high safety and convenient installation, can buffer the vibration of an insulator through the arrangement of a buffer spring, simultaneously prevents the nut from being screwed to be over-tight to damage a conductor during butt joint, has good protection, can effectively protect the conductor used for connecting the filter, can be reliably connected with the connected conductor, and ensures that, the coaxial state is kept, so that the connection is more stable, and the coaxial cable has a wide application prospect.
Description
Technical Field
The utility model relates to a cavity filter technical field specifically is a coaxial connector for cavity filter.
Background
In recent years, with the rapid development of scientific technology, wireless communication systems have been greatly improved in the rapid development of microwave and millimeter wave technologies, and a filter is a typical frequency selection device, which can effectively suppress unwanted signals, so that the unwanted signals cannot pass through the filter, and only useful signals can pass through the filter smoothly, a cavity filter is a microwave filter adopting a resonant cavity structure, and one cavity can be equivalently formed into an inductor parallel capacitor, thereby forming a resonant stage, realizing a microwave filtering function, and having stable and reliable performance and smaller volume, and the application of the cavity filter in each large communication base station is very common, the cavity filter is connected with a butt cable component through a coaxial connector, while the existing coaxial connector for the cavity filter is applied due to the external force on the connected cable in the using process, make junction conductor contact failure easily, can make the connector connect unstablely for a long time, take place the pine and take off, cause inside conductor to take place the dislocation, influence the operation of equipment, consequently, need design a coaxial connector for cavity filter to solve current problem.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to overcome the existing defects, provide a coaxial connector for a cavity filter, which has strong stability and high safety, can buffer the vibration of an insulator through the arrangement of a buffer spring, meanwhile, the damage to the conductor caused by the over-tightening of the nut during the butt joint can be prevented, the conductor of the butt joint cable can be better protected, the insulator can be quickly and accurately installed in the outer connecting pipe through the arrangement of the positioning guide strip, the installation is convenient, the conductor used for connection of the filter can be effectively protected by arranging the protective tube, the conductor positioning grooves are arranged at the two ends of the connector and can be reliably connected with the connected conductor, so that the connection between the filter and the cable is good, the coaxial state is kept, through the arrangement of the fastening nut, the coaxial connector is more firmly fixed, the inner connecting pipe is more stable, and the problems in the background art can be effectively solved.
In order to solve the technical problem, the utility model provides a following technical scheme:
a coaxial connector for a cavity filter comprises an outer shell, wherein an outer connecting pipe is sleeved in the outer shell, one end of the outer connecting pipe is connected with an inner connecting pipe, the inner connecting pipe is positioned on the outer side of the outer shell, outer connecting threads and inner connecting threads are spirally distributed on the outer side surfaces of the outer connecting pipe and the inner connecting pipe respectively, a fastening nut is sleeved on the outer side of the inner connecting pipe through the inner connecting threads, a protective pipe is sleeved on the inner side of the inner connecting pipe, a connector is sleeved on the end part of the protective pipe, a limiting ring is connected to the end part of an inner cavity of the outer connecting pipe, a buffer spring is connected to one side of the limiting ring in a laminating manner, one end of the buffer spring is connected with an insulator in a laminating manner, the insulator is connected to the inner side of the outer connecting pipe in a sliding manner, positioning guide, and the outer end of the inner side of the outer connecting pipe is provided with a butt joint slot, the axis of the insulator is provided with a conductor inserting hole, and the conductor inserting hole, the outer connecting pipe, the inner connecting pipe and the connecting piece are positioned on the same axis.
Furthermore, the outer shell is flush with one end of the outer connecting pipe, and an insulating sleeve is sleeved between the outer shell and the outer connecting pipe.
Further, the outer connecting pipe and the inner connecting pipe are integrally formed, and the outer diameter of the outer connecting pipe is larger than that of the inner connecting pipe.
Further, the outer diameter of the fastening nut is larger than the inner diameter of the outer housing.
Further, the protection pipe is a PVC pipe, and the axis of the protection pipe is the same as that of the inner connecting pipe.
Furthermore, the connector is a copper cylinder, and conductor positioning grooves are formed in the circle centers of the two ends of the connector.
Further, four positioning guide strips are arranged, and the length of each positioning guide strip is equal to that of the insulator.
Further, the outer connecting pipe and the inner connecting pipe are both copper pipes, and the outer connecting pipe and the inner connecting pipe are connected in a sealing manner.
Further, the outer side of the outer shell is symmetrically connected with a fixing plate, and mounting holes are formed in two ends of the fixing plate.
Compared with the prior art, the beneficial effects of the utility model are that: the coaxial connector for the cavity filter has the advantages of simple structure, stability, reliability, high safety and convenient installation, can buffer the vibration of the insulator through the arrangement of the buffer spring, meanwhile, the damage to the conductor caused by the over-tightening of the nut during the butt joint can be prevented, the conductor of the butt joint cable can be better protected, the insulator can be quickly and accurately installed in the outer connecting pipe through the arrangement of the positioning guide strip, the installation is convenient, the conductor used for connection of the filter can be effectively protected by arranging the protective tube, the conductor positioning grooves are arranged at the two ends of the connector and can be reliably connected with the connected conductor, so that the connection between the filter and the cable is good, the coaxial state is kept, through the arrangement of the fastening nut, the coaxial connector is more firmly fixed, the inner connecting pipe is more stable, and therefore the coaxial connector for the cavity filter has a wide application market.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is a schematic view of the overall external three-dimensional structure of the present invention;
FIG. 2 is a schematic view of the overall vertical cross-section structure of the present invention;
fig. 3 is a schematic structural view of the end of the external connection pipe of the present invention;
FIG. 4 is a schematic view of the end structure of the inner connecting tube of the present invention;
fig. 5 is a schematic structural view of the insulator of the present invention;
FIG. 6 is a schematic view of the connector structure of the present invention;
reference numbers in the figures: 1. an outer housing; 2. an outer connecting pipe; 3. an internal connection pipe; 4. external connecting threads; 5. an internal connecting thread; 6. fastening a nut; 7. a protective tube; 8. a linker; 9. a limiting ring; 10. a buffer spring; 11. an insulator; 12. positioning the guide strip; 13. a chute; 14. butting slots; 15. a conductor insertion hole; 16. an insulating sleeve; 17. a conductor positioning groove; 18. a fixing plate; 19. and (7) installing holes.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
The first embodiment is as follows:
as shown in fig. 1-6, the utility model provides a technical solution: a coaxial connector for a cavity filter comprises an outer shell 1, wherein an outer connecting pipe 2 is sleeved in the outer shell 1, one end of the outer connecting pipe 2 is connected with an inner connecting pipe 3, the inner connecting pipe 3 is positioned on the outer side of the outer shell 1, outer connecting threads 4 and inner connecting threads 5 are respectively and spirally distributed on the outer side surfaces of the outer connecting pipe 2 and the inner connecting pipe 3 and are used for connecting a butted cable joint and a filter, a fastening nut 6 is sleeved on the outer side of the inner connecting pipe 3 through the inner connecting threads 5 and is used for being tightly pressed in the filter to increase the stability of the inner connecting pipe 3, a protective pipe 7 is sleeved on the inner side of the inner connecting pipe 3, a connector 8 is sleeved on the end portion of the protective pipe 7, a conductor used for connecting the filter is effectively protected, the inner cavity end portion of the outer connecting pipe 2 is well connected with the connector 8, the laminating of spacing ring 9 one side is connected with buffer spring 10, the laminating of buffer spring 10 one end is connected with insulator 11, just 11 sliding connection of insulator is in outer connecting pipe 2 inboards, through buffer spring 10's setting, can cushion insulator 11's vibrations, makes it more stable, 11 outside symmetries of insulator are equipped with location gib block 12, 2 inner walls of outer connecting pipe are equipped with location gib block 12 assorted spout 13, are convenient for install insulator 11 fast accurately, just 2 inboard outer ends of outer connecting pipe are equipped with butt joint slot 14, and the butt joint cable's of being convenient for connects accurately, conductor patchhole 15 has been seted up on insulator 11's the axis, just conductor patchhole 15, outer connecting pipe 2, in-connection pipe 3 are located the same axis with connector 8 for the conductor of connection keeps coaxial state.
In this embodiment, shell body 1 flushes with the one end of outer connecting pipe 2, just insulating cover 16 has been cup jointed between shell body 1 and the outer connecting pipe 2, plays insulating effect, has improved the security, outer connecting pipe 2 establishes to integrated into one piece's structure with interconnection takeover 3, just outer connecting pipe 2's external diameter is greater than the external diameter of interconnection takeover 3 for overall structure is more stable, fastening nut 6's external diameter is greater than shell body 1's internal diameter, plays to compress tightly fixed effect, makes interconnection takeover 3 and wave filter stabilizing connection.
In this embodiment, protective tube 7 establishes to the PVC pipe, just protective tube 7 is the same with the axis of in-connection pipe 3, can effectively protect the conductor that the wave filter is used for connecting, connector 8 establishes to the copper cylinder, just the centre of a circle department at connector 8 both ends all is equipped with conductor positioning groove 17, plays the effect of location, can reliably be connected with the conductor of connection for the wave filter is good with being connected of cable, keeps coaxial state.
In this embodiment, the number of the positioning guide bars 12 is four, and the length of the positioning guide bars 12 is equal to the length of the insulator 11, so that the insulator 11 can be quickly and accurately installed in the outer connecting pipe 2, and installation is facilitated.
Example two:
as shown in fig. 1 and 2, the outer connecting pipe 2 and the inner connecting pipe 3 are both made of copper pipes, and the outer connecting pipe 2 and the inner connecting pipe 3 are connected in a sealing manner, so that the overall structure is stable and reliable, the sealing performance of the overall connection is improved, and the safety and reliability are improved.
Example three:
as shown in fig. 1, the outer side of the outer casing 1 is symmetrically connected with a fixing plate 18, and mounting holes 19 are formed at two ends of the fixing plate 18, so that the outer casing 1 can be conveniently fixed on the filter by penetrating the mounting holes 19 on the fixing plate 18 through screws.
The utility model discloses improve in: when the coaxial connector for the cavity filter is installed, firstly, the connector is fixed on the filter by penetrating through a mounting hole 19 on a fixing plate 18 through a screw, then a fastening nut 6 is screwed down to fix an inner connecting pipe 3, then a conductor for connection of the filter is inserted into the inner connecting pipe 3 to be connected with a connector 8 and then is fixed through the nut, then an insulator 11 is placed in an outer connecting pipe 2, the conductor of a butt-joint cable is connected with the connector 8 after passing through a conductor inserting hole 15 of the insulator 11, then the nut on the butt-joint is screwed down, the vibration and movement of the insulator 11 can be buffered through the arrangement of a buffer spring 10, the conductor is prevented from being damaged by over-tightening the nut during butt-joint, the conductor of the butt-joint cable can be better protected, the insulator 11 can be quickly and accurately installed in the outer connecting pipe 2 through the arrangement of a positioning guide strip 12, the installation of being convenient for, through the setting of protective tube 7, can effectively protect the conductor that the wave filter is used for connecting, be equipped with conductor constant head tank 17 through 8 both ends of connector, can reliably be connected with the conductor of connecting for the wave filter is good with being connected of cable, keeps coaxial state, has promoted coaxial connector's stability.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (9)
1. Coaxial connector for cavity filters, comprising an outer housing (1), characterized in that: the outer connecting pipe (2) is sleeved in the outer shell (1), one end of the outer connecting pipe (2) is connected with the inner connecting pipe (3), the inner connecting pipe (3) is located on the outer side of the outer shell (1), the outer connecting pipe (2) and the outer side surface of the inner connecting pipe (3) are respectively spirally distributed with outer connecting threads (4) and inner connecting threads (5), the outer side of the inner connecting pipe (3) is sleeved with a fastening nut (6) through the inner connecting threads (5), the inner side of the inner connecting pipe (3) is sleeved with a protective pipe (7), the end part of the protective pipe (7) is sleeved with a connector (8), the end part of the inner cavity of the outer connecting pipe (2) is connected with a limiting ring (9), one side of the limiting ring (9) is connected with a buffer spring (10) in a laminating manner, one end of the buffer spring (10) is connected with an insulator (11) in a laminating manner, positioning guide strips (12) are symmetrically arranged on the outer side of the insulator (11), sliding grooves (13) matched with the positioning guide strips (12) are formed in the inner wall of the outer connecting pipe (2), butt joint slots (14) are formed in the outer end of the inner side of the outer connecting pipe (2), conductor inserting holes (15) are formed in the axis of the insulator (11), and the conductor inserting holes (15), the outer connecting pipe (2), the inner connecting pipe (3) and the connector (8) are located on the same axis;
the outer connecting pipe (2) and the inner connecting pipe (3) are respectively used for connecting the butted cable joint and a conductor connector of the filter and are used for butting and fixing the outer part of the connector;
the connector (8) is used for connecting the conductors of the butt-joint cable and the conductors of the filter, and good connection between the conductors is ensured;
the insulator (11) is used for ensuring the insulating property of the conductor of the butt-joint cable.
2. The coaxial connector for a cavity filter according to claim 1, wherein: the outer shell (1) is flush with one end of the outer connecting pipe (2), and an insulating sleeve (16) is sleeved between the outer shell (1) and the outer connecting pipe (2).
3. The coaxial connector for a cavity filter according to claim 1, wherein: the outer connecting pipe (2) and the inner connecting pipe (3) are integrally formed, and the outer diameter of the outer connecting pipe (2) is larger than that of the inner connecting pipe (3).
4. The coaxial connector for a cavity filter according to claim 1, wherein: the outer diameter of the fastening nut (6) is larger than the inner diameter of the outer shell (1).
5. The coaxial connector for a cavity filter according to claim 1, wherein: the protective pipe (7) is a PVC pipe, and the protective pipe (7) and the inner connecting pipe (3) are identical in axial line.
6. The coaxial connector for a cavity filter according to claim 1, wherein: the connector (8) is made of copper cylinders, and conductor positioning grooves (17) are formed in the circle centers of the two ends of the connector (8).
7. The coaxial connector for a cavity filter according to claim 1, wherein: the number of the positioning guide strips (12) is four, and the length of each positioning guide strip (12) is equal to that of the insulator (11).
8. A coaxial connector for a cavity filter according to claim 1 or 3, wherein: the outer connecting pipe (2) and the inner connecting pipe (3) are both copper pipes, and the outer connecting pipe (2) and the inner connecting pipe (3) are connected in a sealing mode.
9. A coaxial connector for a cavity filter according to claim 1 or 2, wherein: the outer side of the outer shell (1) is symmetrically connected with a fixing plate (18), and mounting holes (19) are formed in two ends of the fixing plate (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921271016.0U CN209929614U (en) | 2019-08-07 | 2019-08-07 | Coaxial connector for cavity filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921271016.0U CN209929614U (en) | 2019-08-07 | 2019-08-07 | Coaxial connector for cavity filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209929614U true CN209929614U (en) | 2020-01-10 |
Family
ID=69094218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921271016.0U Expired - Fee Related CN209929614U (en) | 2019-08-07 | 2019-08-07 | Coaxial connector for cavity filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209929614U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110416841A (en) * | 2019-08-07 | 2019-11-05 | 迈特通信设备（苏州）有限公司 | A kind of coaxial connector for cavity body filter |
-
2019
- 2019-08-07 CN CN201921271016.0U patent/CN209929614U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110416841A (en) * | 2019-08-07 | 2019-11-05 | 迈特通信设备（苏州）有限公司 | A kind of coaxial connector for cavity body filter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200110 Termination date: 20200807 |
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| CF01 | Termination of patent right due to non-payment of annual fee |