CN206098629U - Adjustable pole structure that flies of coaxial cavity wave filter - Google Patents
Adjustable pole structure that flies of coaxial cavity wave filter Download PDFInfo
- Publication number
- CN206098629U CN206098629U CN201621039084.0U CN201621039084U CN206098629U CN 206098629 U CN206098629 U CN 206098629U CN 201621039084 U CN201621039084 U CN 201621039084U CN 206098629 U CN206098629 U CN 206098629U
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- China
- Prior art keywords
- medium
- spiral shell
- seat
- coupling
- adjustable
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Abstract
The utility model discloses an adjustable pole structure that flies of coaxial cavity wave filter, including medium seat, inverse coupling conductor, medium accent spiral shell and lock nut. During the medium seat was gone into to inverse coupling conductor card, the medium transferred the spiral shell to penetrate inside the inverse coupling conductor to with inverse coupling conductor threaded connection. Lock nut is located medium seat outside and transfers spiral shell threaded connection with the medium. The adjustable pole structure that flies of present case, through the rotation that the spiral shell was transferred to the medium, the motion of pulling inverse coupling conductor to change the position of the vertical direction of inverse coupling conductor, further change the intensity of coupling, when the coupling strength adjustment is suitable, tightly lock medium accent spiral shell through lock nut, can fix the inverse coupling conductor. The adjustable pole structure that flies of present case, simple structure, processing and mould preparation are convenient, can adjust inverse coupling intensity according to the actual demand, use more reliably.
Description
Technical field
The utility model is related to wave filter technology field, more particularly to a kind of adjustable winged bar structure of coupling coaxial cavity filter.
Background technology
Along with modern wireless telecommunications, the development of communication relevant industries, filter with low insertion loss, high rejects trap, the need of duplexer
Ask more and more.In high inhibition wave filter is realized, bear cross-linked adjustability and directly influence Product processing, the essence of assembling
Degree, the complexity of manufacture and the output capacity of finished product.A kind of adjustable negative coupled structure receives much concern.Traditional negative coupling can
Structure is adjusted, is to adjust spiral shell by a metal to weaken negative coupling, but negative coupling cannot be strengthened, also cannot be adjusted according to actual conditions
The negative stiffness of coupling of section, this brings inconvenience to production and practicality.
Utility model content
For weak point present in above-mentioned technology, the utility model provide a kind of simple structure, it is convenient for production, can
The adjustable winged bar structure of the coupling coaxial cavity filter of negative stiffness of coupling is adjusted according to actual needs.
To achieve these goals, the utility model provides a kind of adjustable winged bar structure of coupling coaxial cavity filter including company
The adjustable winged bar body of the coaxial two chambers of wave filter is connect, the adjustable winged bar body includes medium seat, negative coupling conductors, medium
Adjust spiral shell and tight split nut；The negative coupling conductors are snapped in medium seat, and the medium adjusts spiral shell to penetrate inside negative coupling conductors, and with
Negative coupling conductors threaded connection；The tight split nut is located at medium seat outside and adjusts spiral shell to be threadedly coupled with medium.
Wherein, the medium seat center is provided with the first cavity being adapted with negative coupling conductors shape, and the negative coupling is led
Body is snapped in the first cavity, and under external force relative medium seat is axially moved up and down.
Wherein, the negative coupling conductors are provided with and adjust the second adaptable cavity of spiral shell shape, second cavity to set with medium
There is internal thread, the medium adjusts spiral shell to be provided with external screw thread；The negative coupling conductors adjust the external screw thread of spiral shell to consolidate by internal thread and medium
Fixed connection.
Wherein, also including the winged rod of the coaxial two chambers of connection wave filter, the winged rod is middle part band groove
Cylindrical shape fly rod；The medium seat bottom offers the fitting recess being adapted with winged rod groove, and the winged rod passes through
Fitting recess penetrates medium seat, and is fixedly connected with the coaxial two chambers of wave filter.
Wherein, the winged rod groove is provided with axial through hole, and the medium adjusts spiral shell to pass through the through hole, and along medium seat
Axially move up and down.
Wherein, the medium seat is insulator medium seat of the dielectric constant more than 1；It is that dielectric constant is big that the medium adjusts spiral shell
Dielectric in 1 adjusts spiral shell.
The beneficial effects of the utility model are：Compared with prior art, adjustable winged bar structure of the present utility model, by being situated between
Matter adjusts the rotation of spiral shell, pulls negative coupling conductors motion, so as to change the position of negative coupling conductors vertical direction, further changes coupling
The intensity of conjunction, when stiffness of coupling adjustment is suitable, tightly locks medium and adjusts spiral shell by tight split nut, can fix negative coupling conductors.This reality
With new adjustable winged bar structure, simple structure, process and Mold Making is convenient, can according to the actual requirements adjust negative coupling by force
Degree, using more reliable.
Description of the drawings
Fig. 1 is the explosive view of the adjustable winged bar structure of the utility model；
Fig. 2 is the structural representation of the adjustable winged bar structure of the utility model；
Fig. 3 is the structural representation that the adjustable winged bar of the utility model connects coaxial cavity.
Main element symbol description is as follows：
1st, medium seat 2, negative coupling conductors
3rd, medium adjusts spiral shell 4, tight split nut
5th, rod 11, the first cavity are flown
12nd, fitting recess 21, the second cavity
51st, groove 52, through hole
6th, coaxial two chambers 10, adjustable winged bar body.
Specific embodiment
In order to more clearly state the utility model, below in conjunction with the accompanying drawings the utility model is further described.
Refer to Fig. 1-Fig. 3, a kind of adjustable winged bar structure of coupling coaxial cavity filter, including coaxial two chambers of connection wave filter
The adjustable winged bar body 10 of room 6.Wherein adjustable winged bar body 10 includes that medium seat 1, negative coupling conductors 2, medium adjust spiral shell 3 and tight lock
Nut 4.Negative coupling conductors 2 are snapped in medium seat 1, medium adjust spiral shell 3 penetrate inside negative coupling conductors 2, and with the spiral shell of negative coupling conductors 2
Line connects.Tight split nut 4 is located at the outside of medium seat 1 and adjusts spiral shell 3 to be threadedly coupled with medium.
Compared with prior art, adjustable winged bar structure of the present utility model, by medium the rotation of spiral shell 3 is adjusted, and pulls negative coupling
Close conductor 2 to move, so as to change the position of the vertical direction of negative coupling conductors 2, further change the intensity of coupling, work as stiffness of coupling
When adjusting suitable, by tight split nut 4, tightly lock medium adjusts spiral shell 3, can fix negative coupling conductors 2.Adjustable winged bar of the present utility model
Structure, simple structure, processing and Mold Making conveniently, can according to the actual requirements adjust negative stiffness of coupling, using more reliable.
The center of medium seat 1 is provided with the first cavity 11 being adapted with the shape of negative coupling conductors 2, and negative coupling conductors 2 snap in the
In one cavity 11, and under external force can relative medium seat 1 move axially downwards.Negative coupling conductors 2 are provided with adjusts spiral shell 3 with medium
The second adaptable cavity 21 of shape, the second cavity 21 is provided with internal thread（It is not shown）, medium adjust spiral shell 3 be provided with external screw thread（Figure is not
Show）.Negative coupling conductors 2 adjust the external screw thread of spiral shell 3 to be fixedly connected by internal thread and medium.Adjustable winged bar body 10 also includes connection
The winged rod 5 of the coaxial two chambers 6 of wave filter, it is that cylindrical shape of the middle part with groove 51 flies rod 5 to fly rod 5.Medium seat 1
The fitting recess 12 that bottom offers and the groove 51 of winged rod 5 is adaptable, flies rod 5 and penetrates medium seat 1 by fitting recess 12, and with
The coaxial two chambers 6 of wave filter are fixedly connected.The groove 51 of winged rod 5 is provided with axial through hole 52, and medium adjusts spiral shell 3 to pass through through hole
52, and can axially move up and down along medium seat 1.
Medium seat 1 of the present utility model offers the first cavity 11 being adapted with the shape of negative coupling conductors 2, so bears coupling
Closing conductor 2 just can be stuck in the first cavity 11, and under certain active force, can be in the interior axle of the first cavity 11 to upper and lower
It is mobile, because in coupling coaxial cavity filter, the energy of electric field concentrates on the upper space of resonator, so negative coupling conductors 2
Position is more top, and the intensity for bearing coupling is also stronger；More on the lower, negative stiffness of coupling is also weaker for the position of negative coupling conductors 2, therefore
Moving up and down for negative coupling conductors 2, can change the intensity of negative coupling.In the utility model, it is empty that negative coupling conductors 2 are provided with second
Chamber 21, and the second cavity 21 is provided with internal thread, bears coupling conductors 2 and adjusts the external screw thread fixation of spiral shell 3 to connect by internal thread and medium
Connect.It is snap-fit relationship due to bearing between coupling conductors 2 and medium seat 1 when medium tune spiral shell 3 is rotated down, now bears coupling
Conductor 2 receives downward active force, adjusts spiral shell 3 to move downward also with medium, now bears the remitted its fury of coupling.When revolving upwards
It is snap-fit relationship due to bearing between coupling conductors 2 and medium seat 1 when referral matter adjusts spiral shell 3, now bears coupling conductors 2 and receive
Active force upwards, adjusts spiral shell 3 to move upwards also with medium, now bears the intensity enhancing of coupling.When desirable strength is adjusted to,
By tight split nut 4, medium tune spiral shell 3 is fixed with the relative medium seat 1 of negative coupling conductors 2, play the work of fixed negative stiffness of coupling
With, it is to avoid change the situation of negative stiffness of coupling because bearing coupling conductors 2 and unstable being connected together of medium seat 1.Pass through simultaneously
Winged rod 5 connect wave filter coaxial cavity 6, when negative coupling conductors 2 are moved up and down, can fine adjustments coupling value, filtering
Formed on device and fly bar characteristic, affect the negative stiffness of coupling of the coaxial cavity 6 of wave filter.
In the present embodiment, medium seat 1 is insulator medium seat 1 of the dielectric constant more than 1.It is that dielectric is normal that medium adjusts spiral shell 3
Dielectric of the number more than 1 adjusts spiral shell 3.It is insulating materials of the dielectric constant more than 1 that medium seat 1 and medium adjust spiral shell 3, is avoided that material
To the magnetic interference for communicating, reduce because inserting the insertion loss that medium seat 1 and medium tune spiral shell 3 bring.
Advantage of the present utility model is：
1st, simple structure, processing and Mold Making conveniently, can according to the actual requirements adjust negative stiffness of coupling, use and more may be used
Lean on；
2nd, the rotation of spiral shell 3 is adjusted by medium, pulls negative coupling conductors 2 to move, so as to change the vertical direction of negative coupling conductors 2
Position, further change the intensity of coupling；
The 3rd, tight split nut 4 is set, medium tune spiral shell 3 is fixed with the relative medium seat 1 of negative coupling conductors 2, play fixed negative coupling
Close the effect of intensity.
Disclosed above is only several specific embodiments of the present utility model, but the utility model is not limited to this, is appointed
What what those skilled in the art can think change should all fall into protection domain of the present utility model.
Claims (6)
1. a kind of adjustable winged bar sheet of the coaxial two chambers of the adjustable winged bar structure of coupling coaxial cavity filter, including connection wave filter
Body, it is characterised in that the adjustable winged bar body includes that medium seat, negative coupling conductors, medium adjust spiral shell and tight split nut；It is described negative
Coupling conductors are snapped in medium seat, and the medium adjusts spiral shell to penetrate inside negative coupling conductors, and is threadedly coupled with negative coupling conductors；Institute
State tight split nut and adjust spiral shell to be threadedly coupled positioned at medium seat outside and with medium.
2. the adjustable winged bar structure of coupling coaxial cavity filter according to claim 1, it is characterised in that the medium seat center
The first cavity being adapted with negative coupling conductors shape is provided with, the negative coupling conductors are snapped in the first cavity, and in outer masterpiece
Axially moved up and down with lower relative medium seat.
3. the adjustable winged bar structure of coupling coaxial cavity filter according to claim 1, it is characterised in that the negative coupling conductors
It is provided with and adjusts the second adaptable cavity of spiral shell shape, second cavity to be provided with internal thread with medium, it is outer that the medium adjusts spiral shell to be provided with
Screw thread；The negative coupling conductors adjust the external screw thread of spiral shell to be fixedly connected by internal thread and medium.
4. the adjustable winged bar structure of coupling coaxial cavity filter according to claim 1, it is characterised in that also including connection filtering
The winged rod of the coaxial two chambers of device, the winged rod is that middle part cylindrical shape with groove flies rod；The medium seat bottom
Portion offers the fitting recess being adapted with winged rod groove, and the winged rod penetrates medium seat, and and wave filter by fitting recess
Coaxial two chambers are fixedly connected.
5. the adjustable winged bar structure of coupling coaxial cavity filter according to claim 4, it is characterised in that the winged rod groove
Axial through hole is provided with, the medium adjusts spiral shell to pass through the through hole, and axially moves up and down along medium seat.
6. the adjustable winged bar structure of coupling coaxial cavity filter according to claim 1, it is characterised in that the medium seat is to be situated between
Insulator medium seat of the electric constant more than 1；It is that dielectric of the dielectric constant more than 1 adjusts spiral shell that the medium adjusts spiral shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621039084.0U CN206098629U (en) | 2016-09-06 | 2016-09-06 | Adjustable pole structure that flies of coaxial cavity wave filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621039084.0U CN206098629U (en) | 2016-09-06 | 2016-09-06 | Adjustable pole structure that flies of coaxial cavity wave filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206098629U true CN206098629U (en) | 2017-04-12 |
Family
ID=58476004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621039084.0U Expired - Fee Related CN206098629U (en) | 2016-09-06 | 2016-09-06 | Adjustable pole structure that flies of coaxial cavity wave filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206098629U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108281740A (en) * | 2018-03-27 | 2018-07-13 | 深圳市华扬通信技术有限公司 | Cavity body filter with adjustable capacitive coupling structure |
-
2016
- 2016-09-06 CN CN201621039084.0U patent/CN206098629U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108281740A (en) * | 2018-03-27 | 2018-07-13 | 深圳市华扬通信技术有限公司 | Cavity body filter with adjustable capacitive coupling structure |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170412 Termination date: 20200906 |