CN209592280U - A kind of more circular arc resonant cavity double-mode band-pass filters - Google Patents
A kind of more circular arc resonant cavity double-mode band-pass filters Download PDFInfo
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- CN209592280U CN209592280U CN201920658964.3U CN201920658964U CN209592280U CN 209592280 U CN209592280 U CN 209592280U CN 201920658964 U CN201920658964 U CN 201920658964U CN 209592280 U CN209592280 U CN 209592280U
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- end cap
- shell
- circular arc
- resonant cavity
- thread barrel
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Abstract
The utility model discloses a kind of more circular arc resonant cavity double-mode band-pass filters, more particularly to electronic information technical field, including filter main body, the filter main body includes shell, more circular arc resonant cavities, connection terminal and end cap, the cover internal is set there are two fixed mechanism, the fixed mechanism passes through end cap and extends into enclosure interior, and the end cap top sets that there are two guard mechanisms；The fixed mechanism includes thread barrel, the thread barrel is located at cover internal, the cover internal is set there are two threaded rod, two threaded rods are respectively provided at thread barrel both ends, two described threaded rod one end extend into inside thread barrel, two threaded rod other ends are respectively and fixedly provided with rectangular fixture block, and the rectangular fixture block is located at enclosure interior.The utility model is made convenient to disassembly between shell and end cap by fixed mechanism, and then convenient for overhauling to the component of enclosure interior, effectively improves overhaul efficiency.
Description
Technical field
The utility model relates to electronic information technical fields, and more specifically, the utility model relates to a kind of more circular arcs are humorous
Shake chamber bimodule band-pass filter.
Background technique
The microstrip filter of two mode field has the advantages that small in size, light-weight and at low cost, therefore receives universal
Concern and attention, bimodulus microstrip filter can be equivalent to double-tuned in practical applications as a kind of special filter
Resonance circuit, therefore dual mode filter is applied to more and more widely in various small-sized transmitting-receiving communication systems, in the prior art for
The secondary and multiple harmonic rejection characteristic for increasing traditional dual mode filter, increases the coupling between input and output feeder line resonant cavity
Resultant, reduce filter with interior differential loss, have devised a kind of more circular arc resonant cavity double-mode band-pass filters.
The shell of existing filter is usually to be consolidated between integrated setting or its shell and capping using bolt
Fixed connection is not easy to personnel and overhauls to the component inside casing of filter to be easy the difficulty of increase personnel dismounting.
Utility model content
In order to overcome the drawbacks described above of the prior art, the embodiments of the present invention provide a kind of more circular arc resonant cavity bimodulus
Bandpass filter, made by fixed mechanism it is convenient to disassembly between shell and end cap, and then convenient for enclosure interior
Component is overhauled, and overhaul efficiency is effectively improved, and blocks the groove on end cap by guard mechanism, personnel is effectively prevent to anticipate
Cause the annulus of inside grooves to rotate and reduce shell and end cap stable connection outside, and then effectively improve safety, with solution
Certainly the problems mentioned above in the background art.
To achieve the above object, the utility model provides the following technical solutions: a kind of more circular arc resonant cavity bimodulus band logical filters
Wave device, including filter main body, the filter main body include shell, more circular arc resonant cavities, connection terminal and end cap, described
Enclosure interior is equipped with more circular arc resonant cavities, and more circular arc resonant cavities both ends are equipped with connection terminal, two connection terminals
Installation inside housings and extends shell two sides, and the housing tip is equipped with end cap, and the cover internal sets that there are two solid
Determine mechanism, the fixed mechanism passes through end cap and extends into enclosure interior, and the end cap top sets that there are two guard mechanisms；
The fixed mechanism includes thread barrel, and the thread barrel is located at cover internal, and the cover internal sets that there are two spiral shells
Rasp bar, two threaded rods are respectively provided at thread barrel both ends, and two described threaded rod one end extend into inside thread barrel, and two
A threaded rod other end is respectively and fixedly provided with rectangular fixture block, and the rectangular fixture block is located at enclosure interior, and the thread barrel annular is outer
End is fixed with annulus, opens up fluted on the end cap, and the annulus is located inside grooves；
The guard mechanism includes right-angle baffle, and the right-angle baffle is mounted on end cap top, and the groove is located at right angle
Baffle interior opens up on the right-angle baffle there are two location hole, is equipped with locating rod inside two location holes, described fixed
Position bar is fixed on end cap top, and two locating rods are respectively provided at groove two sides.
In a preferred embodiment, the shell rear and front end is welded with connecting plate, on two connecting plates
Multiple threaded holes are offered, the end cap top is fixed with pull ring, and the pull ring is located between two guard mechanisms.
In a preferred embodiment, it is opened up in the inner walls there are four card slot, the rectangular fixture block is installed
Inside card slot.
In a preferred embodiment, the housing tip is fixed with gasket, and the gasket is located at end cap bottom
End.
In a preferred embodiment, rubber tube is fixed on the location hole annular inner wall, and rubber tube is installed
In locating rod annular outer end.
In a preferred embodiment, two threaded rods pass through screw thread and are connected with thread barrel, and two
Thread rotary orientation is on the contrary, the annulus outer end is machined with anti-skid chequer.
The technical effect and advantage of the utility model:
1, when needing the component to enclosure interior to overhaul, the annulus rotated on fixed mechanism drives square card block
With the exact separation on shell, the locking of end cap and shell is released, end cap is then opened and the component of enclosure interior is examined
It repairs, after the completion of maintenance, end cap is put on shell, rotate backward annulus and rectangular fixture block is moved to inside card slot, realize
Fixation between end cap and shell, made by fixed mechanism it is convenient to disassembly between shell and end cap, and then convenient for pair
The component of enclosure interior is overhauled, and overhaul efficiency is effectively improved；
2, the groove on end cap is blocked by guard mechanism, effectivelying prevent personnel surprisingly causes the annulus of inside grooves to turn
It moves and reduces shell and end cap stable connection, and then effectively improve safety.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the utility model.
Fig. 2 is the overlooking structure diagram of the utility model.
Fig. 3 is the fixed mechanism and guard mechanism positive structure diagram of the utility model.
Fig. 4 is A partial enlarged view in Fig. 3 of the utility model.
Fig. 5 is the fixed mechanism and guard mechanism overlooking structure diagram of the utility model.
Fig. 6 is the half-sectional schematic perspective view of end cap of the utility model.
Fig. 7 is the guard mechanism schematic perspective view of the utility model.
Appended drawing reference are as follows: 1 shell, more than 2 circular arc resonant cavities, 3 connection terminals, 4 end caps, 5 fixed mechanisms, 6 guard mechanisms, 7
Thread barrel, 8 threaded rods, 9 rectangular fixture blocks, 10 annulus, 11 grooves, 12 right-angle baffles, 13 location holes, 14 locating rods, 15 connecting plates, 16
Pull ring, 17 card slots, 18 gaskets.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
It is described such as a kind of attached more circular arc resonant cavity double-mode band-pass filters shown in fig. 6 of attached drawing 1-, including filter main body
Filter main body includes shell 1, more circular arc resonant cavities 2, connection terminal 3 and end cap 4, is equipped with more circular arcs inside the shell 1
Resonant cavity 2, more 2 both ends of circular arc resonant cavity are equipped with connection terminal 3, and two connection terminals 3 are mounted on inside shell 1
And extend 1 two sides of shell, 1 top of shell is equipped with end cap 4, sets that there are two fixed mechanism 5, institutes inside the end cap 4
Fixed mechanism 5 is stated across end cap 4 and is extended into inside shell 1；
The fixed mechanism 5 includes thread barrel 7, and the thread barrel 7 is located inside end cap 4, and two are equipped with inside the end cap 4
A threaded rod 8, two threaded rods 8 are respectively provided at 7 both ends of thread barrel, and two described 8 one end of threaded rod extend into screw thread
Inside cylinder 7, two 8 other ends of threaded rod are respectively and fixedly provided with rectangular fixture block 9, and the rectangular fixture block 9 is located inside shell 1, institute
It states the annular outer end of thread barrel 7 and is fixed with annulus 10, fluted 11 are opened up on the end cap 4, the annulus 10 is located in groove 11
Portion；
1 rear and front end of shell is welded with connecting plate 15, offers multiple threaded holes, institute on two connecting plates 15
It states 4 top of end cap and is fixed with pull ring 16, the pull ring 16 is located between two guard mechanisms 6；
It is opened up on 1 inner wall of shell there are four card slot 17, the rectangular fixture block 9 is mounted on inside card slot 17；
1 top of shell is fixed with gasket 18, and the gasket 18 is located at 4 bottom end of end cap.
Embodiment specifically: when needing to overhaul the component inside shell 1, inside personnel's turning groove 11
Annulus 10, so that thread barrel 7 be driven to rotate, since two threaded rods 8 are connected by screw thread with thread barrel 7, and two
Thread rotary orientation on the contrary, and the rectangular fixture block 9 of 8 end of threaded rod limit the rotation of threaded rod 8, therefore thread barrel 7 rotate so that
Two threaded rods 8 so that the rectangular fixture block 9 on threaded rod 8 be driven to move, and then make rectangular fixture block 9 to 7 internal motion of thread barrel
It is separated with the card slot 17 on shell 1, releases the locking of end cap 4 and shell 1, then personnel open end using pull ring 16 on end cap 4
Then lid 4 overhauls the component inside shell 1, after the completion of maintenance, end cap 4 is put on shell 1 by personnel, then
Rotating backward annulus 10 drives thread barrel 7 to rotate, so that two threaded rods 8 be made to move out, and then drives the side on threaded rod 8
Shape fixture block 9 moves to inside the card slot 17 of shell 1, realizes the fixation between end cap 4 and shell 1, at this time end cap 4 and shell 1 it
Between gasket 18 to being sealed between the two, made by fixed mechanism 5 convenient for disassembly and assembly fast between shell 1 and end cap 4
Victory, and then the component inside shell 1 is overhauled convenient for personnel, effectively improve overhaul efficiency.
It further include two guard mechanisms such as a kind of attached more circular arc resonant cavity double-mode band-pass filters shown in Fig. 7 of attached drawing 1-
6, two guard mechanisms 6 are each provided at 4 top of end cap, and the guard mechanism 6 includes right-angle baffle 12, the right-angle baffle 12
It is mounted on 4 top of end cap, the groove 11 is located inside right-angle baffle 12, is opened up on the right-angle baffle 12 there are two location hole
13, locating rod 14 is equipped with inside two location holes 13, and the locating rod 14 is fixed on 4 top of end cap, and two are described fixed
Position bar 14 is respectively provided at 11 two sides of groove；
Rubber tube is fixed on 13 annular inner wall of location hole, and rubber tube is mounted on the annular outer end of locating rod 14；
Two threaded rods 8 are connected by screw thread with thread barrel 7, and two thread rotary orientations are on the contrary, the annulus
10 outer ends are machined with anti-skid chequer.
Embodiment specifically: the right-angle baffle 12 of guard mechanism 6 is placed on end cap 4 by personnel, while keeps off right angle
13 sets of location hole on plate 12 are in locating rod 14, and the rubber tube on 13 inner wall of location hole is close to locating rod 14 at this time, effectively
Guarantee the stable connection between right-angle baffle 12 and end cap 4, while right-angle baffle 12 blocks the groove 11 on end cap 4, has
Effect, which prevents personnel surprisingly, causes the annulus 10 inside groove 11 to rotate and reduce shell 1 and 4 stable connection of end cap, Jin Eryou
Effect improves safety.
Utility model works principle:
Referring to Figure of description 1- attached drawing 6, when needing to overhaul the component inside shell 1, fixed machine is rotated
Annulus 10 on structure 5 drives rectangular fixture block 9 to separate with the card slot 17 on shell 1, releases the locking of end cap 4 and shell 1, then beats
Beginning lid 4 overhauls the component inside shell 1, after the completion of maintenance, end cap 4 is put on shell 1, circle is rotated backward
Ring 10 moves to rectangular fixture block 9 inside card slot 17, realizes the fixation between end cap 4 and shell 1, is made by fixed mechanism 5
Must be convenient to disassembly between shell 1 and end cap 4, and then convenient for being overhauled to the component inside shell 1, it effectively improves
Overhaul efficiency；
Referring to Figure of description 1- attached drawing 7, the groove 11 on end cap 4 is blocked by guard mechanism 6, effectively prevent personnel
Surprisingly cause the annulus 10 inside groove 11 to rotate and reduce shell 1 and 4 stable connection of end cap, and then effectively improves safety
Property.
The several points that should finally illustrate are: firstly, in the description of the present application, it should be noted that unless otherwise prescribed and
It limits, term " installation ", " connected ", " connection " shall be understood in a broad sense, can be mechanical connection or electrical connection, be also possible to two
Connection inside element, can be directly connected, and "upper", "lower", "left", "right" etc. are only used for indicating relative positional relationship, when
The absolute position for being described object changes, then relative positional relationship may change；
Secondly: the utility model discloses in embodiment attached drawing, relates only to the structure being related to the embodiment of the present disclosure,
His structure, which can refer to, to be commonly designed, and under not conflict situations, the utility model the same embodiment and different embodiments can be mutual
Combination；
Last: the above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, all
Within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in practical
Within novel protection scope.
Claims (6)
1. a kind of more circular arc resonant cavity double-mode band-pass filters, including filter main body, it is characterised in that: the filter main body
Including shell (1), more circular arc resonant cavities (2), connection terminal (3) and end cap (4), more circular arcs are equipped with inside the shell (1)
Resonant cavity (2), more circular arc resonant cavity (2) both ends are equipped with connection terminal (3), and two connection terminals (3) are mounted on
Shell (1) is internal and extends shell (1) two sides, and shell (1) top is equipped with end cap (4), sets inside the end cap (4)
There are two fixed mechanism (5), the fixed mechanism (5) passes through end cap (4) and extends into shell (1) inside, end cap (4) top
It holds there are two setting guard mechanism (6)；
The fixed mechanism (5) includes thread barrel (7), and the thread barrel (7) is located at end cap (4) inside, and the end cap (4) is internal
If there are two threaded rod (8), two threaded rods (8) are respectively provided at thread barrel (7) both ends, two threaded rods (8) one
End extends into thread barrel (7) inside, and two threaded rod (8) other ends are respectively and fixedly provided with rectangular fixture block (9), the square card
Block (9) is located at shell (1) inside, and the annular outer end of the thread barrel (7) is fixed with annulus (10), offers on the end cap (4)
Groove (11), it is internal that the annulus (10) is located at groove (11)；
The guard mechanism (6) includes right-angle baffle (12), and the right-angle baffle (12) is mounted on end cap (4) top, described recessed
It is internal that slot (11) is located at right-angle baffle (12), opens up that there are two location hole (13) on the right-angle baffle (12), and two described fixed
It is equipped with locating rod (14) inside position hole (13), the locating rod (14) is fixed on end cap (4) top, two locating rods
(14) groove (11) two sides are respectively provided at.
2. a kind of more circular arc resonant cavity double-mode band-pass filters according to claim 1, it is characterised in that: the shell
(1) rear and front end is welded with connecting plate (15), and multiple threaded holes, the end cap (4) are offered on two connecting plates (15)
Top is fixed with pull ring (16), and the pull ring (16) is located between two guard mechanisms (6).
3. a kind of more circular arc resonant cavity double-mode band-pass filters according to claim 1, it is characterised in that: the shell
(1) it is opened up on inner wall there are four card slot (17), it is internal that the rectangular fixture block (9) is mounted on card slot (17).
4. a kind of more circular arc resonant cavity double-mode band-pass filters according to claim 1, it is characterised in that: the shell
(1) top is fixed with gasket (18), and the gasket (18) is located at end cap (4) bottom end.
5. a kind of more circular arc resonant cavity double-mode band-pass filters according to claim 1, it is characterised in that: the location hole
(13) rubber tube is fixed on annular inner wall, and rubber tube is mounted on the annular outer end of locating rod (14).
6. a kind of more circular arc resonant cavity double-mode band-pass filters according to claim 1, it is characterised in that: two spiral shells
Rasp bar (8) is connected by screw thread with thread barrel (7), and two thread rotary orientations are on the contrary, the annulus (10) outer end is machined with
Anti-skid chequer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920658964.3U CN209592280U (en) | 2019-05-09 | 2019-05-09 | A kind of more circular arc resonant cavity double-mode band-pass filters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920658964.3U CN209592280U (en) | 2019-05-09 | 2019-05-09 | A kind of more circular arc resonant cavity double-mode band-pass filters |
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| Publication Number | Publication Date |
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| CN209592280U true CN209592280U (en) | 2019-11-05 |
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| CN201920658964.3U Active CN209592280U (en) | 2019-05-09 | 2019-05-09 | A kind of more circular arc resonant cavity double-mode band-pass filters |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110911790A (en) * | 2019-12-10 | 2020-03-24 | 南京信波微波技术有限公司 | Cavity band-pass filter |
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2019
- 2019-05-09 CN CN201920658964.3U patent/CN209592280U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110911790A (en) * | 2019-12-10 | 2020-03-24 | 南京信波微波技术有限公司 | Cavity band-pass filter |
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