CN206116575U - Wave filter and coupled structure thereof - Google Patents
Wave filter and coupled structure thereof Download PDFInfo
- Publication number
- CN206116575U CN206116575U CN201620992727.7U CN201620992727U CN206116575U CN 206116575 U CN206116575 U CN 206116575U CN 201620992727 U CN201620992727 U CN 201620992727U CN 206116575 U CN206116575 U CN 206116575U
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- coupling
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- wave filter
- resonator
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Abstract
The utility model provides a wave filter and coupled structure thereof, this wave filter includes casing, syntonizer and coupled structure, the casing includes bottom plate, curb plate and apron, and on the bottom plate was located perpendicularly to the curb plate, the apron was through the screw fixation in the curb plate top to form a confined cavity, baffle demountable installation is on the bottom plate to separate into a plurality of resonant cavities with the cavity, stretch in two adjacent resonant cavities at the both ends of coupling piece, the syntonizer is installed in the resonant cavity. The coupled structure includes baffle and coupling piece, the baffle top is equipped with coupling window, and coupling window's bottom is equipped with the hem of buckling towards baffle both sides, coupling piece demountable installation is on the hem, and the both ends of coupling piece are equipped with decurrent turn -ups to power through turn down rims big minor tune -up coupling. In this way, the utility model discloses apron dismouting many times is convenient for debug and reprocess, and coupling simple structure is reliable, has improved the production efficiency and the reliability of wave filter greatly, has reduced manufacturing cost, reduces the disability rate of product.
Description
Technical field
The utility model is related to communication field, more particularly to a kind of wave filter and its coupled structure.
Background technology
Wave filter is a kind of frequency filter device, i.e. the signal of the frequency range to needing is selected, to not needing frequency range
Signal is suppressed, and wave filter is widely used in the communication fields such as radio frequency, microwave.
It is at present coaxial cavity filter in radio frequency, the most widely used wave filter of microwave frequency band, its structure is generally included
Cavity, cover plate, resonator etc..In order to reduce wave filter weight, reduce the thin-walled materials such as volume, panel beating because processing is simple, it is easy to
Shaping, is widely used in cavity body filter.But thin-walled material thickness is little, the difficulty such as between cavity and cover plate, between cavity resonator
To form closely contact, performance is affected, thus generally adopt welding manner.But welding manner needs to be set using special welding
Standby, welding postfilter dismounting is difficult, is unfavorable for debugging and reprocesses, once go wrong to be easy to scrap.
Utility model content
The utility model provides a kind of wave filter and its coupled structure, can solve the problem that prior art is present because welding is led
Cause dismounting difficult, be unfavorable for the problem debugged and reprocess.
To solve above-mentioned technical problem, the technical scheme that the utility model is adopted is：A kind of coupled structure is provided, should
Coupled structure includes dividing plate and coupling piece；The dividing plate top is provided with coupling window, and the bottom of the coupling window is provided with
The flanging of the dividing plate both sides bending；The coupling piece is removably mounted on the flanging, and the two ends of the coupling piece are provided with
Downward flange, to adjust the power of coupling by the size of the flange.
Wherein, the flanging is provided with the first screw, and first through hole is correspondingly provided with the coupling piece, and screw passes through described
First screw and the first through hole and the dividing plate and the coupling piece are connected.
Wherein, the coupling piece be provided with electrically insulating material between window flanging with described coupling, to prevent the coupling piece
Impact stiffness of coupling is communicated with the dividing plate.
To solve above-mentioned technical problem, another technical scheme that the utility model is adopted is：A kind of wave filter is provided, should
Wave filter includes housing, resonator and above-mentioned coupled structure.The housing includes base plate, side plate and cover plate, and the side plate hangs down
Directly on the base plate, the cover plate is screwed in the side plate top, to form the cavity of a closing；It is described
Dividing plate is removably mounted on the base plate, and the cavity is separated into into multiple resonators, and the two ends of the coupling piece reach
In two adjacent resonators；The resonator is arranged in the resonator.
Wherein, the boss to cavity internal projection is respectively equipped with the base plate, there is the hole caved on the boss, it is described
Internal thread is provided with hole, the resonator is fixed on the base plate by internal thread described in screw fit.
Wherein, the base plate is additionally provided with several waist-shaped holes, and the lower end of the dividing plate is provided with the bending leg at several intervals,
During installation, the bending leg is passed through into the waist-shaped hole, and the bending leg bending is pressed on the base plate, so as to by institute
The lower end for stating dividing plate is fixed on the base plate.
Wherein, the upper end of the side plate is provided with L-shaped flange, and the L-shaped flange is included parallel to the first flat of the side plate
Face and the second plane perpendicular to the side plate, second plane is provided with the second screw, the cover plate be provided with it is described
Corresponding second through hole of screw in second plane, screw is through second screw and second through hole by the side plate
It is fixed up with the cover plate.
Wherein, be provided with L-shaped flange at the coupling window on the dividing plate top, the L-shaped flange include parallel to it is described every
3rd plane of plate and the fourth plane perpendicular to the dividing plate, the fourth plane is provided with the 3rd screw, on the cover plate
Third through-hole corresponding with the screw in the fourth plane is provided with, screw is through the 3rd screw and the third through-hole
The dividing plate and the cover plate are fixed up.
Wherein, the wave filter includes tuning screw, and the tuning screw is arranged on the cover plate, the correspondence resonance
At the position of device center line, the tuning screw is through the cover plate and inserts in the resonator, by adjusting the tuning
Screw rod inserts the length in the resonator to adjust frequency filtering.
Wherein, the coupled structure also includes coupling screw rod, and the coupling screw rod is arranged on the cover plate, corresponding to institute
State at the position of coupling piece, the coupling screw rod is through the cover plate and inserts in the resonator, by adjusting the coupling
The length that screw rod inserts the resonator is strong and weak to adjust coupling.
The beneficial effects of the utility model are：Be different from the situation of prior art, a kind of wave filter of the present utility model and
Simply, cover plate can be easy to debug and be reprocessed with being dismounted for multiple times, and coupled structure is simple and reliable for its coupled structure, its processing and assembling,
The production efficiency and reliability of wave filter are substantially increased, production cost is reduced, the scrappage of product is reduced.
Description of the drawings
Technical scheme in order to be illustrated more clearly that the utility model embodiment, below will be to needed for embodiment description
The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model
Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can be with according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the component assembly structural representation of the utility model filter implementation；
Fig. 2 is the cross-sectional view of the utility model filter implementation；
Fig. 3 is the structural representation of the utility model coupled structure median septum embodiment；
Fig. 4 is the structural representation of coupling piece embodiment in the utility model coupled structure.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The all other embodiment for being obtained, belongs to the scope of the utility model protection.
Refer to Fig. 3 and Fig. 4, Fig. 3 be the utility model coupled structure median septum embodiment structural representation, Fig. 4 is
The structural representation of coupling piece embodiment in the utility model coupled structure.
The utility model provides a kind of coupled structure, and the coupled structure includes dividing plate 1 and coupling piece 2.
The top of dividing plate 1 is provided with coupling window 15, and the bottom for coupling window 15 is provided with the flanging of the both sides of dividing plate 1 bending
11.Coupling piece 2 is removably mounted on flanging 11, and the two ends of coupling piece 2 are provided with downward flange 22, with by the big of flange 22
The power of little adjustment coupling, in one embodiment, dividing plate 1 and coupling piece 2 can be made by thin metal stamping bending, at other
In embodiment, dividing plate and coupling piece can also be made by modes such as powder metallurgy.
Flanging is provided with the first screw 111, and first through hole 21 is correspondingly provided with coupling piece 2, and screw passes through the first screw 111
Dividing plate 1 and coupling piece 2 are connected with first through hole 21.
Coupling piece 2 is provided with electrically insulating material 13 with coupling between window flanging 11, to prevent coupling piece 2 from communicating with dividing plate 1
Affect stiffness of coupling, the electrically insulating material can be plastics or ceramics etc., in the range of the understanding of those skilled in the art, herein
Will not enumerate.
The utility model additionally provides a kind of wave filter, refers to Fig. 1, and Fig. 1 is the utility model filter implementation
Component assembly structural representation.The wave filter includes the coupled structure of housing, resonator 4 and any of the above-described embodiment.
Housing includes base plate 31, side plate 32 and cover plate 33, and side plate 32 is vertical on base plate 31, and cover plate 33 is solid by screw
The top of side plate 32 is scheduled on, to form the cavity of a closing.In one embodiment, base plate 31 and side plate 32 can be by a monoblocks
Metal sheet is made by the method for punching press bending again, it is to be understood that in other embodiments, base plate 31 and side plate 32
Can be integrally formed by the method for powder metallurgy.Dividing plate 1 is removably mounted on base plate 31, and cavity is separated into into two resonance
Chamber, the two ends of coupling piece 2 are reached in adjacent two resonator, and resonator 4 is arranged in resonator.It should be noted that this
The situation that cavity is separated into one piece of dividing plate 1 two resonators is illustrate only in embodiment, those skilled in the art can basis
The quantity for increasing dividing plate 1 is actually needed to constitute multiple resonators.
Fig. 2 is referred to, Fig. 2 is the cross-sectional view of the utility model filter implementation.On base plate 31 respectively
The boss 5 to cavity internal projection is provided with, there is the hole 51 caved on boss 5, in hole 51 internal thread is provided with, the internal thread can lead to
Cross and processed on flange, it is also possible to formed by welding or riveting nut at above-mentioned hole.Resonator 4 passes through screw fit
Internal thread and be fixed on base plate 31, by screw fixed resonator 4, can avoid welding the difficult problem of dismounting, beneficial to tune
Try and reprocess, reduce scrappage
Base plate 31 is additionally provided with several waist-shaped holes, and the lower end of dividing plate 1 is provided with the bending leg 14 at several intervals, during installation,
Bending leg 14 is passed through into waist-shaped hole, and bending leg bending is pressed on base plate 31, so as to the lower end of dividing plate 1 is fixed on into base plate
On 31.Situation about being fixed on dividing plate 1 by bending leg 14 on base plate 31 is illustrate only in the present embodiment, it is to be understood that
In other embodiments, it is also possible to dividing plate 1 is fixed on base plate 31 by way of welding.Meanwhile, the filtering of the present embodiment
Device is capacitive coupling, in other embodiments, when needing inductive coupled, can completely remove dividing plate 1.
The upper end of side plate 32 is provided with L-shaped flange 321, and L-shaped flange 321 is included parallel to the first plane of side plate 32 and vertical
In the second plane of side plate 32, the second plane is provided with the second screw 322, and cover plate 33 is provided with and the screw pair in the second plane
The second through hole 331 answered, screw is fixed up side plate 32 and cover plate 33 through the second screw 322 and the second through hole 331.
It is provided with L-shaped flange 12 at the coupling window 15 on the top of dividing plate 1, L-shaped flange 12 is included parallel to the 3rd flat of dividing plate
Face and the fourth plane perpendicular to dividing plate, fourth plane is provided with the 3rd screw 121, and cover plate is provided with and the spiral shell in fourth plane
The corresponding third through-hole 332 in hole, screw has fixed on dividing plate 1 and cover plate 33 through the 3rd screw 121 and third through-hole 332
Come.
The wave filter also includes tuning screw 6, and tuning screw 6 is arranged on cover plate 33, the position of the correspondence center line of resonator 4
Place is put, tuning screw 6 is through cover plate 33 and inserts in resonator 4, by adjusting the length in the insertion resonator 4 of tuning screw 6
To adjust frequency filtering.
Coupled structure also includes coupling screw rod 7, and coupling screw rod 7 is arranged on cover plate 33, can correspond to coupling piece 2 just
Top, it is also possible to which corresponding to the side of coupling piece 2, coupling screw rod 7 is through cover plate 33 and inserts in resonator, by adjusting coupling
The length of the insertion resonator of screw rod 7 is strong and weak to adjust coupling.
The utility model is provided with tuning screw 6 and coupling screw rod 7, and filter can be adjusted in the case where cover plate 33 is not torn down and reconstructed
Wave frequency rate, and coupling are strong and weak, it is ensured that the reliability of wave filter.
In sum, the utility model processing and assembling are simple, and cover plate can be easy to debug and be reprocessed with being dismounted for multiple times, coupling
It is simple and reliable for structure, the production efficiency and reliability of wave filter are substantially increased, production cost is reduced, reduce scrapping for product
Rate.
Embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, it is all
It is the equivalent structure or equivalent flow conversion made using the utility model specification and accompanying drawing content, or directly or indirectly uses
In other related technical fields, it is included in the same manner in scope of patent protection of the present utility model.
Claims (10)
1. a kind of coupled structure of wave filter, it is characterised in that including dividing plate and coupling piece；
The dividing plate top is provided with coupling window, and the bottom of the coupling window is provided with the folding of the dividing plate both sides bending
Side；
The coupling piece is removably mounted on the flanging, and the two ends of the coupling piece are provided with downward flange, with by institute
State the power of the size adjustment coupling of flange.
2. coupled structure according to claim 1, it is characterised in that the flanging is provided with the first screw, the coupling
First through hole is correspondingly provided with piece, screw is through first screw and the first through hole by the dividing plate and the coupling
Piece is connected.
3. coupled structure according to claim 2, it is characterised in that the coupling piece is coupled between window flanging with described
Electrically insulating material is provided with, to prevent the coupling piece from communicating impact stiffness of coupling with the dividing plate.
4. a kind of wave filter, it is characterised in that tie including the coupling described in housing, resonator and any one of claims 1 to 3
Structure；
The housing includes base plate, side plate and cover plate, and the side plate is vertical on the base plate, and the cover plate is solid by screw
The side plate top is scheduled on, to form the cavity of a closing；
The dividing plate is removably mounted on the base plate, and the cavity is separated into into multiple resonators, the coupling piece
Two ends are reached in adjacent two resonator；
The resonator is arranged in the resonator.
5. wave filter according to claim 4, it is characterised in that be respectively equipped with the base plate to the convex of cavity internal projection
Platform, has the hole caved on the boss, internal thread is provided with the hole, and the resonator passes through internal thread described in screw fit
And be fixed on the base plate.
6. wave filter according to claim 5, it is characterised in that the base plate is additionally provided with several waist-shaped holes, it is described every
The lower end of plate is provided with the bending leg at several intervals, during installation, the bending leg is passed through into the waist-shaped hole, and by the bending
Leg bending is pressed on the base plate, so as to the lower end of the dividing plate is fixed on the base plate.
7. wave filter according to claim 4, it is characterised in that the upper end of the side plate is provided with L-shaped flange, the L-shaped
Flange includes the first plane parallel to the side plate and the second plane perpendicular to the side plate, and second plane is provided with
Second screw, the cover plate is provided with the second through hole corresponding with the screw in second plane, and screw passes through described second
Screw and second through hole and the side plate and the cover plate are fixed up.
8. wave filter according to claim 4, it is characterised in that be provided with L-shaped at the coupling window on the dividing plate top and turn over
Side, the L-shaped flange includes the 3rd plane and the fourth plane perpendicular to the dividing plate parallel to the dividing plate, the described 4th
Plane is provided with the 3rd screw, and the cover plate is provided with third through-hole corresponding with the screw in the fourth plane, and screw is worn
Cross the 3rd screw and the third through-hole and the dividing plate and the cover plate are fixed up.
9. wave filter according to claim 4, it is characterised in that the wave filter includes tuning screw, the tuning spiral shell
Bar is arranged on the cover plate, corresponds at the position of the resonator central line, and the tuning screw is through the cover plate and inserts
Enter in the resonator, by adjusting the length in the tuning screw insertion resonator frequency filtering is adjusted.
10. wave filter according to claim 4, it is characterised in that the coupled structure also includes coupling screw rod, the coupling
Close screw rod to be arranged at the position on the cover plate, corresponding to the coupling piece, the coupling screw rod is through the cover plate and inserts
Enter in the resonator, the length that the resonator is inserted by adjusting the coupling screw rod couples power to adjust.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620992727.7U CN206116575U (en) | 2016-08-30 | 2016-08-30 | Wave filter and coupled structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620992727.7U CN206116575U (en) | 2016-08-30 | 2016-08-30 | Wave filter and coupled structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206116575U true CN206116575U (en) | 2017-04-19 |
Family
ID=58515614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620992727.7U Active CN206116575U (en) | 2016-08-30 | 2016-08-30 | Wave filter and coupled structure thereof |
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| Country | Link |
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| CN (1) | CN206116575U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106169638A (en) * | 2016-08-30 | 2016-11-30 | 广东通宇通讯股份有限公司 | A kind of wave filter and coupled structure thereof |
| CN107615574A (en) * | 2015-12-30 | 2018-01-19 | 深圳市大富科技股份有限公司 | A kind of cavity body filter and communication radio frequency device |
-
2016
- 2016-08-30 CN CN201620992727.7U patent/CN206116575U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107615574A (en) * | 2015-12-30 | 2018-01-19 | 深圳市大富科技股份有限公司 | A kind of cavity body filter and communication radio frequency device |
| CN106169638A (en) * | 2016-08-30 | 2016-11-30 | 广东通宇通讯股份有限公司 | A kind of wave filter and coupled structure thereof |
| CN106169638B (en) * | 2016-08-30 | 2019-10-11 | 广东通宇通讯股份有限公司 | A kind of filter and its coupled structure |
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