CN109786908A - Tune the filter of cover board and the application cover board - Google Patents
Tune the filter of cover board and the application cover board Download PDFInfo
- Publication number
- CN109786908A CN109786908A CN201910182110.7A CN201910182110A CN109786908A CN 109786908 A CN109786908 A CN 109786908A CN 201910182110 A CN201910182110 A CN 201910182110A CN 109786908 A CN109786908 A CN 109786908A
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- Prior art keywords
- nut
- cover board
- damping
- bolt
- tuning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- 238000013016 damping Methods 0.000 claims abstract description 58
- 239000007769 metal material Substances 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 3
- 125000004122 cyclic group Chemical group 0.000 claims description 2
- 239000002184 metal Substances 0.000 abstract description 18
- 229910052751 metal Inorganic materials 0.000 abstract description 18
- 239000012634 fragment Substances 0.000 abstract description 12
- 238000010586 diagram Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 238000004891 communication Methods 0.000 description 5
- BVPWJMCABCPUQY-UHFFFAOYSA-N 4-amino-5-chloro-2-methoxy-N-[1-(phenylmethyl)-4-piperidinyl]benzamide Chemical compound COC1=CC(N)=C(Cl)C=C1C(=O)NC1CCN(CC=2C=CC=CC=2)CC1 BVPWJMCABCPUQY-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007514 turning Methods 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 241000208340 Araliaceae Species 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000009740 moulding (composite fabrication) Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000011045 prefiltration Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Connection Of Plates (AREA)
- Bolts, Nuts, And Washers (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The present invention relates to signal handling equipment fields, refer in particular to a kind of tuning cover board applied on filter, and using the nut with damping, the damping is embedded the side in nut.When installing nut, the damping is same to be biased to tuning cavity.In this way when bolt passes through nut, the end of bolt is first in contact with the internal screw thread of nut, lock-bit finally is carried out through damping, the damping filters out the metal fragment being adhered on bolt end and is allowed to accumulate the interference reduced in nut to filter internal signal.
Description
Technical field
The present invention relates to signal handling equipment fields, refer in particular to a kind of tuning cover board and the filter using the cover board.
Background technique
Filter is widely used in the communications field, especially field of radio frequency communication as a kind of frequency selection device,
Communication system is completed in signal transmitting and received base station, and filter be used to select signal of communication, filter out communication signal frequency
Outer clutter or interference signal.
Currently, the frequency tuning of cavity body filter is usually completed by the tuning screw on filter cover board.It is adjusting
After resonance frequency, above-mentioned tuning screw loosens in order to prevent, it usually needs is located at the part outside cavity in the tuning screw and adds
One fixture nut, more material costs can not only be expended by installing a fixture nut additional, and in addition reinforced using fixture nut
Effect is also usually unsatisfactory.It is this that locked structure is carried out by double nut, due to the presence of thread pitch, make it easy to send out
Screw rod pulls up during raw locking, and debugging result, which changes, influences the adverse consequences of adjustment accuracy.In the prior art to its into
The mode that makes up of row relies primarily on that carry out dispensing to nut after the completion of debugging locking.
In addition, industry also has a small amount of structure for applying Self-locking screw at present, such as: grooving and two sections of turning on screw rod
The screw thread being staggered, when screw in common self-clinching nut using when pulled open by the screw thread that is staggered, grooving position generates axial tensile force,
So that frictional force reaches self-locking purpose between increasing thread；This kind of self-locking structure is the problem is that due to screw thread and rotation grooving essence
Degree requires high, processing cost height, while individual precision difference easily causes unstable and Reusability failure wind in terms of coupling mechanism force
Danger is big, and the precision difference of screw and nut in matched rotation, can generate a small amount of metal fragment and be fallen by the end band of screw
To resonant cavity, this will affect the performance of filter.
Therefore, it is necessary to design it is a kind of can Reusability and block metal fragment fall to the assembly of resonant cavity just
The filter of prompt, signal-stabilized tuning cover board and the application cover board.
Summary of the invention
The present invention is for the unstable easy loosening of the tuning screw assembly for solving filter and the metal fragment in assembling process
The deficiency that can not be blocked, and a kind of tuning cover board and the filter using the cover board are provided.
Tuning cover board of the invention is used to cover the cavity of cavity body filter, and the cover board body including metal material is described
Cover board body is equipped with multiple through-holes and nut arranged in the through hole, wherein the nut includes the nut sheet of annular
Body and screw hole, the damping of non-metallic material is embedded in the screw hole, and the damping is embedded in nut and is located at one end, institute
It states in the screw hole of one end precession nut of bolt and through the damping.
Further, the damping is solid laminated structure, and the outer diameter of damping is greater than the internal diameter of the screw hole of nut.
Further, the damping is cyclic structure, and the outer diameter of the damping is greater than the internal diameter of the screw hole of nut, damping
Internal diameter is less than or equal to the internal diameter of the screw hole of nut.
Further, the nut includes the first loop coil and the second loop coil with the derivative extension of the first loop coil, the damping
It is embedded in the second loop coil and enters far from bolt precession the direction of screw hole.
Further, the tuning cover board further includes a stop collar, and the stop collar is located at the screw hole that bolt screws out nut
The peripheral side in direction, the stop collar are resisted against on nut or nut and damping.
Further, the aperture that the stop collar forms a hole is greater than the outer diameter of bolt, and the stop collar does not connect with bolt
Touching.
Further, the stop collar is multiple restriction protrusions, and the multiple restriction protrusion is uniformly alternatively arranged cyclization
Shape, the aperture of the annular are greater than the outer diameter of bolt, the outer surface of the stop collar be equipped with fillet surface and not with threaded bolt contacts.
Further, the stop collar extends to form or from nut from cover board body derivative far from bolt precession nut
Side derivative extends to form.
Further, the stop collar includes a ring body and derives the protrusion extended from ring body, described convex
Act the one end for being resisted against nut or nut and damping.
A kind of cavity body filter, including above-mentioned tuning cover board, the tuning cover board are installed in the tuning cavity of metal material
On.
Tuning cover board of the invention, using the nut with damping, the damping is embedded the side in nut.It is installing
When nut, the same tuning cavity of being biased to of the damping is installed.In this way when bolt precession runs through nut, the end elder generation of bolt and nut
Internal screw thread be in contact, finally through damping carry out lock-bit.The damping will filter out and be adhered to bolt end and spiral shell
The metal fragment that mother's friction generates is allowed to be trapped in the influence reduced in nut to performance of filter.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of filter of the present invention with tuning cover board；
Fig. 2 is the configuration schematic diagram of the tuning cover board of filter in Fig. 1；
Fig. 3 is the cross-section structure stereoscopic schematic diagram of Fig. 2；
The schematic diagram of the section structure for the tuning cover board that Fig. 4 is Fig. 2；
Fig. 5 is second embodiment of the present invention the schematic diagram of the section structure；
Fig. 6 is the portion the A enlarged structure schematic diagram in Fig. 5；
Fig. 7 is third embodiment of the present invention the schematic diagram of the section structure；
Fig. 8 is fourth embodiment of the present invention the schematic diagram of the section structure；
Fig. 9 is the elevational schematic view of the nut structure in Fig. 8；
Figure 10 is the elevational schematic view of nut structure in the fifth embodiment of the present invention；
Figure 11 is the schematic diagram of the section structure of the sixth embodiment of the present invention.
Specific embodiment
The present invention is illustrated in a manner of various embodiments with reference to the accompanying drawings.In Figure of description, there is similar knot
Structure or the element of function will be indicated with identical component symbol.Component sizes and feature in attached drawing only to facilitate explanation and
Each embodiment of the invention is disclosed, is not intended to carry out the present invention exhaustive explanation, nor to the scope of the present invention
It is limited.
In following elaborations, for example specific technique of detail, interface, technology etc. are not constitute for illustrative purposes
Limitation, to guarantee that techniques disclosed herein scheme can thoroughly be understood in detail.However, those skilled in the art can
Understand that the technology disclosed here can be used in the specific embodiment other than these details, the general skill of such this field
Art personnel can implement engineering philosophy as various embodiments, even if these embodiments do not carry out detailed retouch here
It states or shows, but these embodiments are still fallen in engineering philosophy and without departing from its spirit and scope.In some realities
It applies in example, some well known equipment, method are not described in detail, in case techniques disclosed herein description is by unnecessary
Details redundancy illustrate.The elaboration of all related principle, visual angle and specific embodiments carried out herein includes structure and function
The equivalent way of energy.In addition, these equivalent ways include currently known equivalent and the equivalent that further develops, such as institute
What is made further progress can implement the element of said function, even if structure may be different.
Ginseng Fig. 1-4 show filter 100, including metal material such as aluminium, iron, copper of an embodiment according to the present invention etc. and
Its alloy is by the cover board 10 of the technological formings such as die casting, turning and 3D printing technique, and the cover board 10 is for covering cavity filtering
The metal cavity 20 of device.The ductility of metal cover board 10 is preferable, and thickness need to only be controlled at several millimeters.The cover board 10
Multiple through-holes 11 for extending through metal cavity are equipped with, are installed on tuning screw 30 in the through-hole 11.Specifically, described logical
Hole 11 includes two parts, i.e. the first hole portion 11a and the second hole portion 11b being connected to the first hole portion 11a, and first hole portion
The overlapping of the central axis of 11a and the second hole portion 11b keeps concentricity.In Fig. 4 of the invention, the internal orifice dimension of the first hole portion 11a is big
In the internal orifice dimension of the second hole portion 11b, so that the second hole portion 11b is by the integrally formed limit from the derivative extension of cover board body 10
Position ring 10a is formed.The stop collar 10a closer to filter 100 metal cavity 20, to the spiral shell being installed in the through-hole 11
Mother 31 or other elements support limit, so that nut 31 and the other elements installation being loaded on cover board 10 are stablized, unlikely
In falling or loosen.
In an embodiment of the present invention, the outer surface of the nut 31 is equipped with screw thread 312, and screw thread can be set in nut 31
Entire outer surface on, also can be set and be embedded on the surface contacted in through-hole 11 with cover board 10 in nut 31.In view of working as
The inner surface of the actual demand of pre-filter cover board, the through-hole 11 can not have to setting internal screw thread, only by nut 31 and cover board
The outer diameter of the outer surface part with screw thread 312 of 10 contacts is slightly larger than through-hole 11, in this way that nut 31 and cover board is real
Existing interference fit.The central location of the nut 31 is equipped with screw hole 311.As shown in Fig. 2, nut 31 includes in the present embodiment
First loop coil 31a and with the integrally formed second loop coil 31b of the first loop coil 31a, second loop coil is embedded in through-hole 11.Institute
Screw hole 311 is stated through the first loop coil 31a and the second loop coil 31b.A piece bolt 32 is installed in screw hole 311.The bolt 32
Outer surface is equipped with external screw thread, is equipped with the internal screw thread to match with the external screw thread of bolt 32 in the screw hole 311 of nut 31.Described first
Internal screw thread is equipped in loop coil 31a to be allowed to match with the external screw thread of bolt 32.Second spiral shell is equipped in the second loop coil 31b
Hole 311b, the second screw hole 311b are bigger than the aperture of the first screw hole 311a positioned at the first loop coil 31a, such a opposite large aperture
The second screw hole 311b in be equipped with one damping 33.The damping 33 is in solid sheet or the annular with hole 331.Work as rotation
When bolt 32 is installed on nut 31, the screw thread of bolt 32 is in contact with the internal screw thread of the nut 31 on cover board 10 first, then
It the end of bolt 32 can be through damping 33 made of the non-metallic materials such as rubber, nylon or polypropylene, 33 pairs of bolts of the damping
32 formation reaction force extrusion frictions are to realize the self-locking function of bolt 32.The end of the bolt 32 can also tightly be supported
It leans against in damping without through damping.Further, the nuts and bolt is in practical application due to being matched
The influence of accuracy of thread, Reusability will cause the loosening of bolt 32；And the shadow of bolt 32 and accuracy of thread when the assembly of nut 31
Sound can generate the clast of friction, and the damping 33 is located to be arranged close to the direction of tuning cavity, and damp 33 lower part there is no with
The internal screw thread that bolt 32 contacts with each other, the phase mutual friction of both first front bolt 32 and nut 31, which generates metal fragment, can adhere to bolt
On 32, the bolt for being stained with metal fragment partially passes through damping 33, and the metal fragment of the retardance of material dampened, generation is deposited
Without falling into tuning cavity in the first screw hole 311a, through the bolt part of overdamp 33 also no longer with nut friction just not yet
Metal fragment can be generated, influence of the metal fragment to performance of filter certainly will be improved in this way.In an embodiment of the present invention, described
The aperture that screw hole 331 is set in damping 33 can be slightly smaller than the diameter of bolt 32, be realized with the frictional force of increase between the two good
Self-locking and filtering metal clast effect.
In the present embodiment, stop collar 10a can not only limit nut 31 and fall off, and can also be contradicted according to practical application
In damping 33.In various embodiments of the present invention, the diameter in the hole that the stop collar 10a is formed is less than the maximum of damping 33
Outer diameter is fallen into metal cavity 20 with preventing damping 33 from falling off from nut 32.
Join shown in Fig. 5-6, the difference of the second embodiment of the present invention and first embodiment is that the stop collar 10a is equipped with
Fillet surface 10b.After nut 32 is assemblied in through-hole 11, the stop collar 10a is formed through the stamping process, and fillet surface 10b is just
It is compressed in nut 31 in damping 33 by impact style, since the aperture of the stop collar 10a is less than the outer of damping 33
Diameter, greater than the internal diameter of damping 33.The damping 33 is limited in nut 31, and what bolt 32 can be smooth runs through stop collar 10a.
Join shown in Fig. 7, is the third embodiment of the present invention, the height quilt of nut 32 is with the difference of above-described embodiment
It is arranged to essentially identical with 10 thickness of cover board, the matching length of bolt 32 and nut 31 can be shortened in this way to reduce metal fragment
Generation.The upper surface 31C of the nut 31 and upper surface 10C of cover board 10 forms coplanar.The damping 33 is still embedded
In nut 31.
Join shown in Fig. 8-9, be the fourth embodiment of the present invention, the nut 31 is embedded into cover board 10, screw thread 312 and through-hole
11 inner wall clamping adapted.In various embodiments of the present invention, screw thread 312 can be spiral screw thread, be also possible to more
A horizontal, vertical bar shaped or netted lines of being parallel to each other, it is intended to can not only increase external friction power, moreover it is possible to match well with through-hole 11
With.The lower end of the nut 31 extends in tuning cavity, and the height of nut 31 is greater than the thickness of cover board 10.The damping 33 is installed
On nut 31 and far from cover board 10 one end.A stop collar 10a derivative extend from nut 31 contradicts resistance in the present embodiment
Buddhist nun 33.The fillet surface 10b that the stop collar 10a is equipped with, stop collar 10a internal diameter are greater than the diameter of bolt 32 convenient for bolt without connecing
Touching runs through.In this way when bolt 31 is through nut 32 and damping 33, since the outer diameter of bolt 31 is less than in the stop collar 10a
Diameter, then bolt 31 pass through stop collar 10a and not be in contact.
In addition to above structure, join shown in Figure 10, another embodiment of the present invention, the stop collar 10a can be from nut
The 31 derivative multiple restriction protrusions extended.In the present embodiment, four restriction protrusions, which are uniformly alternatively arranged, circularizes, the ring
The aperture of shape is greater than the outer diameter of bolt 32, and the stop collar 10a is not contacted with bolt 32.
It is the sixth embodiment of the present invention refering to fig. 1 shown in 1.The present embodiment and the various embodiments described above the difference is that
Above-mentioned stop collar 10a is derivative from the cover board 10 or derives from nut 31.It further comprise an at least portion in the present embodiment
Divide riveting into the stop collar 34 in the through-hole 11.The stop collar 34 includes a ring body 34a and spreads out from ring body 34a
The raw raised 34b extended.The outer diameter of the protrusion 34b can be slightly larger than the internal diameter of through-hole 11, in this way when the spiral shell with damping 33
After mother 31 is installed in through-hole 11, the position that nut 31 falls off or installs in order to prevent is excessively amesiality, logical in nut precession
Install stop collar 34 in the other side in 11 direction of hole.The outer diameter of certain protrusion 34b can be slightly larger than the second screw hole of nut
The internal diameter of 311b, in this way protrusion 34b are trapped in the second screw hole 311b so that stop collar 34 is retained on nut 32.Limit
The internal diameter of the centre bore 34C of position ring 34 also greater than bolt 32 outer diameter not with joint, raised 34b is resisted against nut or spiral shell
Female and damping one end falls and is limited to prevent anti-avulsion.
Tuning cover board 10 of the invention, since using the nut 32 with damping 33, the damping 33 is embedded in nut 31
Interior side.When installing nut 31, tuning cavity is equally biased in the damping 33.In this way when bolt 32 passes through nut 31, spiral shell
The end of bolt 32 is first in contact with the internal screw thread of nut 31, finally carries out lock-bit through damping 33, and damping 33 also filters out
The metal fragment being adhered on 32 end of bolt is allowed to be trapped in the influence reduced in nut to 100 performance of filter.
Although specific embodiments of the present invention have been described above, it will be appreciated by those of skill in the art that these
It is merely illustrative of, protection scope of the present invention is defined by the appended claims.Those skilled in the art is not carrying on the back
Under the premise of from the principle and substance of the present invention, many changes and modifications may be made, but these are changed
Protection scope of the present invention is each fallen with modification.
Claims (10)
1. a kind of tuning cover board is installed on tuning screw, feature in the through-hole including the cover board body equipped with multiple through-holes
Be: the tuning screw includes the nut being embedded in through-hole and the bolt through nut, and it is non-to be additionally provided with one in the nut
The damping of metal material, the damping are embedded in nut and are located at one end, the screw hole of one end precession nut of the bolt
It is interior and run through the damping.
2. tuning cover board according to claim 1, it is characterised in that: the damping is solid laminated structure, damping
Outer diameter is greater than the internal diameter of screw hole.
3. tuning cover board according to claim 1, it is characterised in that: the damping is cyclic structure, the damping it is outer
Diameter is greater than the internal diameter of screw hole, and the internal diameter of damping is less than or equal to the internal diameter of screw hole.
4. the tuning cover board according to any one of Claims 2 or 3, it is characterised in that: the nut includes the first spiral shell
Ring and the second loop coil for deriving extension with the first loop coil, the damping are embedded in the second loop coil and enter spiral shell far from bolt precession
The direction in hole.
5. tuning cover board according to claim 1, it is characterised in that: the tuning cover board further includes a stop collar, described
Stop collar is located at the side that bolt screws out the screw hole direction of nut, and the stop collar contacts on nut or nut and damping.
6. tuning cover board according to claim 5, it is characterised in that: the aperture that the stop collar forms a hole is greater than bolt
Outer diameter, the stop collar not with threaded bolt contacts.
7. tuning cover board according to claim 5, it is characterised in that: the stop collar is multiple restriction protrusions, described more
A restriction protrusion, which is uniformly alternatively arranged, to be circularized, and the aperture of the annular is greater than the outer diameter of bolt, the appearance of the stop collar
Face be equipped with fillet surface and not with threaded bolt contacts.
8. tuning cover board according to claim 5, it is characterised in that: the stop collar is extended to form from cover board body derivative
Or it is extended to form from nut far from the side derivative of bolt precession nut.
9. tuning cover board according to claim 5, it is characterised in that: the stop collar includes a ring body and from ring
The protrusion that this syntaxy of shape extends, the protrusion are resisted against one end of nut or nut and damping.
10. a kind of cavity body filter, it is characterised in that: the filter includes the tuning lid of any one of claim 1-9
Plate, the tuning cover board are installed on the tuning cavity of metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910182110.7A CN109786908B (en) | 2019-03-11 | 2019-03-11 | Tuning cover plate and filter using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910182110.7A CN109786908B (en) | 2019-03-11 | 2019-03-11 | Tuning cover plate and filter using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109786908A true CN109786908A (en) | 2019-05-21 |
| CN109786908B CN109786908B (en) | 2024-02-23 |
Family
ID=66488853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910182110.7A Active CN109786908B (en) | 2019-03-11 | 2019-03-11 | Tuning cover plate and filter using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109786908B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111193084A (en) * | 2020-01-07 | 2020-05-22 | 朱承风 | Filter cover plate |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102509819A (en) * | 2011-10-31 | 2012-06-20 | 深圳市大富科技股份有限公司 | Dielectric filter, locking nut, tuning device and communication radio-frequency apparatus |
| CN202888366U (en) * | 2012-10-12 | 2013-04-17 | 深圳市大富科技股份有限公司 | Filter cover plate and filter |
| CN203013892U (en) * | 2012-11-23 | 2013-06-19 | 京信通信系统（中国）有限公司 | Cavity filter and tuner thereof |
| CN204303957U (en) * | 2015-01-09 | 2015-04-29 | 旭光（赣州）电子有限公司 | A kind of cavity body filter |
| US20150116058A1 (en) * | 2013-10-30 | 2015-04-30 | Electronics And Telecommunications Research Institute | Radio frequency (rf) cavity filter including tuning bolt holding member and said tuning bolt holding member |
| CN105742773A (en) * | 2016-02-29 | 2016-07-06 | 深圳三星通信技术研究有限公司 | Cavity filter and self-locking tuning assembly thereof |
| WO2017113170A1 (en) * | 2015-12-30 | 2017-07-06 | 深圳市大富科技股份有限公司 | Cavity filter |
| US10084222B1 (en) * | 2017-03-22 | 2018-09-25 | Ace Technologies Corporation | RF filter for improving PIMD performance |
| CN108631027A (en) * | 2017-03-17 | 2018-10-09 | Ace技术株式会社 | Utilize the RF cavity body filters and its manufacturing method of elastomer |
| CN209544572U (en) * | 2019-03-11 | 2019-10-25 | 深圳市安特无线设备有限公司 | A kind of filter of novel tuning cover board |
-
2019
- 2019-03-11 CN CN201910182110.7A patent/CN109786908B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102509819A (en) * | 2011-10-31 | 2012-06-20 | 深圳市大富科技股份有限公司 | Dielectric filter, locking nut, tuning device and communication radio-frequency apparatus |
| CN202888366U (en) * | 2012-10-12 | 2013-04-17 | 深圳市大富科技股份有限公司 | Filter cover plate and filter |
| CN203013892U (en) * | 2012-11-23 | 2013-06-19 | 京信通信系统（中国）有限公司 | Cavity filter and tuner thereof |
| US20150116058A1 (en) * | 2013-10-30 | 2015-04-30 | Electronics And Telecommunications Research Institute | Radio frequency (rf) cavity filter including tuning bolt holding member and said tuning bolt holding member |
| CN204303957U (en) * | 2015-01-09 | 2015-04-29 | 旭光（赣州）电子有限公司 | A kind of cavity body filter |
| WO2017113170A1 (en) * | 2015-12-30 | 2017-07-06 | 深圳市大富科技股份有限公司 | Cavity filter |
| CN105742773A (en) * | 2016-02-29 | 2016-07-06 | 深圳三星通信技术研究有限公司 | Cavity filter and self-locking tuning assembly thereof |
| CN108631027A (en) * | 2017-03-17 | 2018-10-09 | Ace技术株式会社 | Utilize the RF cavity body filters and its manufacturing method of elastomer |
| US10084222B1 (en) * | 2017-03-22 | 2018-09-25 | Ace Technologies Corporation | RF filter for improving PIMD performance |
| CN209544572U (en) * | 2019-03-11 | 2019-10-25 | 深圳市安特无线设备有限公司 | A kind of filter of novel tuning cover board |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111193084A (en) * | 2020-01-07 | 2020-05-22 | 朱承风 | Filter cover plate |
| CN111193084B (en) * | 2020-01-07 | 2021-07-20 | 南京华脉科技股份有限公司 | Filter cover plate |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109786908B (en) | 2024-02-23 |
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