CN209329116U - A kind of dielectric resonance cavity body filter - Google Patents
A kind of dielectric resonance cavity body filter Download PDFInfo
- Publication number
- CN209329116U CN209329116U CN201821973827.0U CN201821973827U CN209329116U CN 209329116 U CN209329116 U CN 209329116U CN 201821973827 U CN201821973827 U CN 201821973827U CN 209329116 U CN209329116 U CN 209329116U
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- buffer
- support rod
- air cushion
- dielectric
- dielectric filter
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Abstract
The utility model discloses a kind of dielectric resonance cavity body filters, including metal cavity, cover board, air cushion, support rod, first buffer, second buffer and buffer spring, the top of metal cavity is equipped with cover board, middle position inside metal cavity is equipped with dielectric filter ontology, air cushion is mounted on the outer wall of the upper and lower part of the dielectric filter ontology, support rod is mounted on air cushion, the lower end of support rod on the dielectric filter body lower part air cushion is mounted on the top of the first buffer, the lower part of first buffer is fixedly connected with the inner wall of metal cavity bottom.The utility model provides a kind of dielectric resonance cavity body filter, pass through the metal cavity of setting, cover board, air cushion, support rod, the first buffer, the second buffer and buffer spring, it solves and falls off between dielectric filter ontology and supporting element, the problem of causing dielectric filter ontology to be in contact, can not work normally with metal cavity.
Description
Technical field
The utility model relates to technology for radio frequency field, specially a kind of dielectric resonance cavity body filter.
Background technique
In recent years, with the rapid development of mobile communication, it is desirable that there is the filter of higher performance to occur, especially channel radio
The rapid growth of communication service greatly have stimulated the development of microwave filter miniaturization technology.In wireless base system extensively
The filter of application can be divided into two classes: coaxial cavity filter and dielectric resonance cavity body filter.Currently, to high-performance wireless system
The requirement of system is increasingly strict, so that the development that miniaturization, high performance dielectric resonance cavity body filter are getting faster.It is situated between
Matter resonant cavity filter includes metal cavity, the cover board being covered in metal cavity, is set to the intracorporal dielectric resonance of wire chamber
Device, the supporting element and tuning structure for being used to support dielectric resonator.Wherein, dielectric resonator need to usually be placed in metal cavity
Center can not be in contact, otherwise with metal cavity, it will great current loss be introduced, therefore, for dielectric resonance
Device, supporting element is then extremely important, the support mounting medium resonator played the role of.
But existing dielectric resonance cavity body filter has the following deficiencies: dielectric resonance cavity body filter is in normal work
During work, there are heat transfer between dielectric resonator and supporting element, in this way, being easy to make between dielectric resonator and supporting element
Heat-resistant adhesive failure, meanwhile, supporting element stress is concentrated using screw connection and is crushed, and above situation will lead to Jie
Matter resonator falls off and is in contact with metal cavity, and eventually leading to entire filter can not work normally.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of dielectric resonance cavity body filter, solves medium
It falls off between filtering body and supporting element, causes dielectric filter ontology to be in contact with metal cavity, can not work normally
Problem.
(2) technical solution
To achieve the above object, the utility model provides the following technical solutions: a kind of dielectric resonance cavity body filter, including
Metal cavity, cover board, air cushion, support rod, the first buffer, the second buffer and buffer spring, the top of the metal cavity
Cover board is installed, the middle position inside the metal cavity is equipped with dielectric filter ontology, the dielectric filter sheet
It is mounted on air cushion on the outer wall of the upper and lower part of body, support rod, the dielectric filter sheet are mounted on the air cushion
The lower end of support rod on the air cushion of body lower part is mounted on the top of the first buffer, the lower part of first buffer and wire chamber
The inner wall of body bottom is fixedly connected, and the upper end of the support rod on the dielectric filter body upper part air cushion is mounted on the second buffering
The top of the lower part of device, second buffer is fixedly connected with the lower part of cover board, first buffer and the second buffer
Inside be mounted on buffer spring.
Preferably, it is provided with bolt block at left and right sides of the cover board top, the bolt block on the cover board passes through solid
Determine bolt to be fixedly connected with the outer wall of metal cavity, is provided with rubber washer at the cover board and metal cavity contact site.
Preferably, the air cushion is four, and there are two the upper and lower part of dielectric filter ontology is respectively provided with, the gas
Pad is fixedly connected with support rod by connecting plate, and the connecting plate is fixedly connected with support rod by the first attachment base.
Preferably, the support rod on the dielectric filter body upper part air cushion is two, and support rod is filtered about medium
The symmetry axis of wave device ontology is symmetrical, and it is slow that the upper end of the support rod on the dielectric filter body upper part air cushion passes through second
The perforation for rushing device lower part extends to the inside of the second buffer.
Preferably, the upper end of second buffer is fixedly connected by the second attachment base with cover board, second buffering
The lower end of device internal damping spring is equipped with baffle, the size of the size of the baffle less than the second buffer internal cavity.
Preferably, the structure of first buffer is identical as the structure of the second buffer, under first buffer
Portion is fixedly connected by the second attachment base with the inner wall of metal cavity bottom, and the support rod of the dielectric filter body lower part is worn
The perforation crossed on the first buffer is against on baffle.
(3) beneficial effect
The utility model provides a kind of dielectric resonance cavity body filter, have it is following the utility model has the advantages that
(1) the utility model, by the air cushion of setting, support rod, the first buffer, the second buffer and buffer spring,
When the operation of medium filtering body generates vibration in use process, dielectric filter ontology push support rod in the first buffer and
It is moved on second buffer, support rod pushes buffer spring to generate corresponding deformation, the impact that buffering vibration generates by baffle
Stress reduces the abrasion of support rod, extends the service life of support rod, promotes the stability of this running body of dielectric filter, gas
The energy for absorbing vibration in the vibration of dielectric filter ontology is padded, reduces the impact force that support rod is subject to, while also caning absorb vibration
The raw noise of movable property, noise when reducing this running body of dielectric filter, effectively avoid that dielectric filter ontology falls off shows
As solving and falling off between dielectric filter ontology and supporting element, cause dielectric filter ontology to be in contact with metal cavity, nothing
The problem of method works normally.
(2) the utility model, by the cover board of setting, support rod, the first buffer and the second buffer, when installation first
First buffer is fixed on to the installed position of metal cavity bottom interior wall, then by the support rod of dielectric filter body lower part
It is inserted into the first buffer, takes up the ball the second buffer and pacify fixed to the installed position on cover board, then by the second buffer
On the support rod for setting dielectric filter body upper part, finally cover board fixing bolt is fixed on the outer wall of metal cavity i.e.
Can, structure is simple, is easily installed and fixes, and accelerates the speed of installation, improves the efficiency of work, and it is practical, convenient for pushing away
It is wide to use.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the schematic diagram of internal structure of the second buffer in the utility model Fig. 1；
Fig. 3 is the structural schematic diagram in the utility model Fig. 1 at A.
In figure: 1, metal cavity；2, cover board；3, bolt block；4, fixing bolt；5, dielectric filter ontology；6, air cushion；7,
Support rod；8, the first buffer；9, the second buffer；10, the first attachment base；11, the second attachment base；12, connecting plate；13, delay
Rush spring；14, baffle；15, it perforates；16, rubber washer.
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 please refers to shown in Fig. 1-3, a kind of embodiment provided by the utility model；A kind of dielectric resonance cavity body filter, packet
Include metal cavity 1, cover board 2, air cushion 6, support rod 7, the first buffer 8, the second buffer 9 and buffer spring 13, metal cavity 1
Top cover board 2 is installed, bolt block 3 is provided at left and right sides of 2 top of cover board, the bolt block 3 on cover board 2 passes through fixation
Bolt 4 is fixedly connected with the outer wall of metal cavity 1, is provided with rubber washer 16 at cover board 2 and 1 contact site of metal cavity, gold
Belong to the middle position inside cavity 1 and dielectric filter ontology 5 be installed, the upper and lower part of dielectric filter ontology 5 outside
Air cushion 6 is mounted on wall, air cushion 6 is with the mode that is fixedly connected of 12 outer wall of the outer wall of dielectric filter ontology 5 and connecting plate
Existing known public technology, therefore not have ever made more descriptions, air cushion 6 is four, and the top of dielectric filter ontology 5 is under
There are two portion is respectively provided with, air cushion 6 is fixedly connected with support rod 7 by connecting plate 12, and connecting plate 12 and support rod 7 connect by first
Joint chair 10 is fixedly connected, and support rod 7 is mounted on air cushion 6, and the support rod 7 on 5 top air cushion 6 of dielectric filter ontology is two
It is a, and support rod 7 is symmetrical about the symmetry axis of dielectric filter ontology 5, on 5 top air cushion 6 of dielectric filter ontology
The perforation 15 that the upper end of support rod 7 passes through 9 lower part of the second buffer extends to the inside of the second buffer 9, dielectric filter sheet
The lower end of support rod 7 on 5 lower part air cushion 6 of body is mounted on the top of the first buffer 8, the lower part of the first buffer 8 and metal
The inner wall of 1 bottom of cavity is fixedly connected, and the structure of the first buffer 8 is identical as the structure of the second buffer 9, the first buffer 8
Lower part be fixedly connected by the second attachment base 11 with the inner wall of 1 bottom of metal cavity, the support of 5 lower part of dielectric filter ontology
The perforation 15 that bar 7 passes through on the first buffer 8 is against on baffle 14, the support rod 7 on 5 top air cushion 6 of dielectric filter ontology
Upper end be mounted on the lower part of the second buffer 9, the top of the second buffer 9 is fixedly connected with the lower part of cover board 2, the second buffering
The upper end of device 9 is fixedly connected by the second attachment base 11 with cover board 2, the lower end installation of 9 internal damping spring 13 of the second buffer
Have a baffle 14, the size of baffle 14 less than 9 internal cavity of the second buffer size, the first buffer 8 and the second buffer 9
Inside is mounted on buffer spring 13.
First buffer 8: being fixed on the installed position of 1 bottom interior wall of metal cavity by working principle first when installation,
The support rod 7 of 5 lower part of dielectric filter ontology is inserted into the first buffer 8 again, the second buffer 9 is taken up the ball and is fixed to lid
Installed position on plate 2, then the second buffer 9 is arranged on the support rod 7 on 5 top of dielectric filter ontology, finally will
Cover board 2 is fixed on the outer wall of metal cavity 1 with fixing bolt 4, and the operation of medium filtering body 5 generates in use process
When vibration, dielectric filter ontology 5 pushes support rod 7 to move on the first buffer 8 and the second buffer 9, and support rod 7 passes through
Baffle 14 pushes buffer spring 13 to generate corresponding deformation, and the impact stress that buffering vibration generates reduces the abrasion of support rod 7,
Extend the service life of support rod 7, promotes the stability that dielectric filter ontology 5 is run, air cushion 6 is in dielectric filter ontology 5
The energy that vibration is absorbed when vibration reduces the impact force that support rod 7 is subject to, while also caning absorb the noise that vibration generates, and reduces
Noise when dielectric filter ontology 5 is run.
It can to sum up obtain, the utility model passes through the metal cavity 1 of setting, cover board 2, air cushion 6, support rod 7, the first buffer
8, the second buffer 9 and buffer spring 13, solve and fall off between dielectric filter ontology and supporting element, lead to dielectric filter
The problem of ontology is in contact with metal cavity, can not work normally.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of dielectric resonance cavity body filter, including it is metal cavity (1), cover board (2), air cushion (6), support rod (7), first slow
Rush device (8), the second buffer (9) and buffer spring (13), it is characterised in that: the top of the metal cavity (1) is equipped with lid
Plate (2), the internal middle position of the metal cavity (1) are equipped with dielectric filter ontology (5), the dielectric filter sheet
It is mounted on the outer wall of the upper and lower part of body (5) air cushion (6), is mounted on support rod (7) on the air cushion (6), it is described
The lower end of support rod (7) on dielectric filter ontology (5) lower part air cushion (6) is mounted on the top of the first buffer (8), described
The lower part of first buffer (8) is fixedly connected with the inner wall of metal cavity (1) bottom, dielectric filter ontology (5) top
The upper end of support rod (7) on air cushion (6) is mounted on the lower part of the second buffer (9), the top of second buffer (9) with
The lower part of cover board (2) is fixedly connected, and the inside of first buffer (8) and the second buffer (9) is mounted on buffer spring
(13).
2. a kind of dielectric resonance cavity body filter according to claim 1, it is characterised in that: cover board (2) top
The left and right sides is provided with bolt block (3), and the bolt block (3) on the cover board (2) passes through fixing bolt (4) and metal cavity
(1) outer wall is fixedly connected, and is provided with rubber washer (16) at the cover board (2) and metal cavity (1) contact site.
3. a kind of dielectric resonance cavity body filter according to claim 1, it is characterised in that: the air cushion (6) is four,
And there are two the upper and lower part of dielectric filter ontology (5) is respectively provided with, the air cushion (6) and support rod (7) pass through connecting plate
(12) it is fixedly connected, the connecting plate (12) is fixedly connected with support rod (7) by the first attachment base (10).
4. a kind of dielectric resonance cavity body filter according to claim 1, it is characterised in that: the dielectric filter ontology
(5) support rod (7) on top air cushion (6) is two, and symmetry axis pair of the support rod (7) about dielectric filter ontology (5)
Claim distribution, the upper end of the support rod (7) on dielectric filter ontology (5) the top air cushion (6) passes through under the second buffer (9)
The perforation (15) in portion extends to the inside of the second buffer (9).
5. a kind of dielectric resonance cavity body filter according to claim 1, it is characterised in that: second buffer (9)
Upper end be fixedly connected with cover board (2) by the second attachment base (11), the second buffer (9) internal damping spring (13)
Lower end is equipped with baffle (14), the size of the size of the baffle (14) less than the second buffer (9) internal cavity.
6. a kind of dielectric resonance cavity body filter according to claim 1, it is characterised in that: first buffer (8)
Structure it is identical as the structure of the second buffer (9), the lower part of first buffer (8) passes through the second attachment base (11) and gold
The inner wall for belonging to cavity (1) bottom is fixedly connected, and the support rod (7) of dielectric filter ontology (5) lower part passes through the first buffering
Perforation (15) on device (8) is against on baffle (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821973827.0U CN209329116U (en) | 2018-11-28 | 2018-11-28 | A kind of dielectric resonance cavity body filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821973827.0U CN209329116U (en) | 2018-11-28 | 2018-11-28 | A kind of dielectric resonance cavity body filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209329116U true CN209329116U (en) | 2019-08-30 |
Family
ID=67711853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821973827.0U Active CN209329116U (en) | 2018-11-28 | 2018-11-28 | A kind of dielectric resonance cavity body filter |
Country Status (1)
| Country | Link |
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| CN (1) | CN209329116U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115149237A (en) * | 2022-06-29 | 2022-10-04 | 南京瑞鼎通讯有限公司 | Method for welding coupling rod used in coupler |
-
2018
- 2018-11-28 CN CN201821973827.0U patent/CN209329116U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115149237A (en) * | 2022-06-29 | 2022-10-04 | 南京瑞鼎通讯有限公司 | Method for welding coupling rod used in coupler |
| CN115149237B (en) * | 2022-06-29 | 2023-06-27 | 南京瑞鼎通讯有限公司 | Coupling rod welding method for coupler |
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