CN208522203U - Radio frequency connector, radio-frequency devices cavity and radio-frequency devices - Google Patents
Radio frequency connector, radio-frequency devices cavity and radio-frequency devices Download PDFInfo
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- CN208522203U CN208522203U CN201820687859.8U CN201820687859U CN208522203U CN 208522203 U CN208522203 U CN 208522203U CN 201820687859 U CN201820687859 U CN 201820687859U CN 208522203 U CN208522203 U CN 208522203U
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Abstract
The utility model discloses a kind of radio frequency connector, radio-frequency devices cavity and radio-frequency devices.The radio frequency connector includes outer conductor and inner conductor, and the outer conductor has axially opposing first end, second end and the through-hole through the first end and the second end；The inner conductor has third end and the 4th end, and the inner conductor is set in the through-hole, and the first end is stretched out at the third end；The through-hole is equipped with internal screw thread close to the hole wall of the first end, has installation space between hole wall and the inner conductor equipped with the internal screw thread.The utility model passes through the connection type for changing radio frequency connector and radio-frequency devices cavity, so that being connected through a screw thread between the radio frequency connector and target cavity, it is easy to accomplish assembly automation increases productivity.Meanwhile by the way of threaded connection, the ground plane of the radio frequency connector and the ground plane of the radio-frequency devices cavity can be enabled to be preferably bonded, guarantee the mutual level-off and stability of product.
Description
Technical field
The utility model relates to technology for radio frequency fields, specifically, the utility model relates to a kind of radio-frequency devices and
Its radio frequency connector, radio-frequency devices cavity.
Background technique
In present mobile communication technology, microwave radio device has become essential important component.It penetrates
Frequency connector and its quality of corresponding cavity devices connection directly affect every electrical specifications of radio-frequency devices itself, especially
Intermodulation stability.
With high quality, high capacity, high density communication system demand, intermodulation of each mobile operator to passive device
More stringent requirements are proposed for value.Traditional radio frequency connector is that ring flange is connect with device cavity, and connector uses four screws
Four through-holes on flange are tightened on the threaded hole of device cavity corresponding position and fix, not due to four screw axial forces
It is identical to the greatest extent, and have See-saw effect, it will lead to unbalance stress between radio frequency connector and device cavity, influence the mutual water transfer of product
Gentle stability.
Utility model content
The primary and foremost purpose of the utility model, which is intended to provide, a kind of facilitates that radio-frequency devices assemble and the preferable radio frequency of stability connects
Connect device.
The another object of the utility model be intended to provide it is a kind of facilitate radio-frequency devices assemble and the preferable radio frequency of electric property
Device cavity.
The further object of the utility model is intended to provide a kind of radio-frequency devices using above-mentioned radio frequency connector.
To achieve the goals above, the utility model the following technical schemes are provided:
As in a first aspect, the utility model relates to a kind of radio frequency connector, for being used cooperatively with radio-frequency devices cavity,
Comprising:
Outer conductor with axially opposing first end and second end, the outer conductor, which is equipped with, runs through the first end and institute
State the through-hole of second end；
Inner conductor with third end and the 4th end, the inner conductor are set in the through-hole, and the third end is stretched out
The first end；
The through-hole is equipped with internal screw thread close to the hole wall of the first end, and hole wall equipped with the internal screw thread interior is led with described
There is installation space between body.
Further, the radio frequency connector further includes insulating supporting medium, and the insulating supporting medium includes first exhausted
Edge Supporting Media and the second insulating supporting medium；The inner conductor between the first end and the third end is equipped with first
The step end face of step, the first step is arranged towards the third end, and the first insulating supporting medium socket is set to described
It is abutted on inner conductor and with the step end face of the first step；The second insulating supporting medium is set to the inner conductor and institute
It states between outer conductor and between the first end and the 4th end.
Preferably, the through-hole is equipped with second step on the hole wall between the internal screw thread and the second end,
The step end face of the second step is the first ground plane, and is arranged towards the first end.
Preferably, the through-hole is additionally provided with third platform on the hole wall between the second step and the second end
The step end face of rank, the third step is arranged towards the first end.
As second aspect, the utility model provides a kind of radio-frequency devices cavity, including integrally formed cavity body and
Mounting portion, the mounting portion are convexly equipped in outside the cavity body and for connecting radio frequency connector；The mounting portion is equipped with and institute
The mounting hole of the inner cavity perforation of cavity body is stated, the mounting hole can be passed through for the inner conductor of the radio frequency connector；The peace
The periphery wall in dress portion is equipped with external screw thread.
Preferably, the 4th step of the interior outer end face equipped with step end face towards the mounting portion of the mounting hole.
Preferably, the mounting portion is equipped with the 5th on the periphery wall between its outer end face and the external screw thread
Rank, the step end face of the 5th step are the second ground plane, and are arranged towards the outer end face.
As the third aspect, the utility model provides a kind of radio-frequency devices, comprising:
Radio frequency connector, including outer conductor and inner conductor, the outer conductor have axially opposing first end and second end,
And the through-hole through the first end and the second end is offered, the through-hole is equipped with interior close to the hole wall of the first end
Screw thread；The inner conductor has axially opposing third end and the 4th end, and the inner conductor is set in the through-hole, and described the
The first end is stretched out at three ends, has installation space between the inner conductor and hole wall equipped with the internal screw thread；
Radio-frequency devices cavity, including cavity body and mounting portion, the mounting portion are convexly equipped in outside the cavity body；It is described
Mounting portion is equipped with the mounting hole penetrated through with the inner cavity of the cavity body, and the mounting hole supplies the inner conductor of the radio frequency connector
It passes through；The outer wall of the mounting portion is equipped with external screw thread；
The third end of the inner conductor is arranged in the mounting hole, and the mounting portion is set in the installation space, and
The external screw thread and the internal screw thread, which cooperate, to be connected.
Further, the radio frequency connector further includes insulating supporting medium, and the insulating supporting medium includes first exhausted
Edge Supporting Media and the second insulating supporting medium；The inner conductor between the first end and the third end is equipped with first
The step end face of step, the first step is arranged towards the third end；It is equipped with the 4th step in the mounting hole, described the
The outer end face of the step end face of four steps towards the mounting portion is arranged；The first insulating supporting medium socket is set in described and leads
On body and the first insulating supporting medium is connected between the first step and the 4th step；The second insulation branch
Medium is supportted to be set between the inner conductor and the outer conductor and between the first end and the 4th end.
Preferably, the through-hole is equipped with second step on the hole wall between the internal screw thread and the second end,
The step end face of the second step is the first ground plane, and is arranged towards the first end；The mounting portion is being located at outside it
Periphery wall between end face and the external screw thread is equipped with the 5th step, and the step end face of the 5th step is the second ground connection
Face, and be arranged towards the outer end face of the mounting portion；Second ground plane is connected to first ground plane.
Further, periphery wall of the installation position between its outer end face and second ground plane and described second
There is radial clearance between the step side of step；The through-hole is in the hole between the second step and the second end
Third step is additionally provided on wall, the step end face of the third step is arranged towards the first end, and with the mounting portion
Outer end face has axial gap.
Compared with prior art, the embodiment of the utility model has the advantage that
1. in the utility model, radio frequency connector is equipped with internal screw thread, RF device is installed in a manner of using being threadedly coupled
On part cavity, so that the radio frequency connector and cavity are easily achieved assembly automation, increase productivity.Meanwhile using screw thread
The mode of connection can enable the ground plane of the radio frequency connector and the ground plane of the radio-frequency devices cavity preferably to paste
It closes, guarantees the mutual level-off and stability of product.
2. in the utility model, the radio frequency connector uses insulating supporting dielectric support inner conductor, so that inner conductor has
There is more preferably mechanical stability and by thermal stability.
The additional aspect of the utility model and advantage will be set forth in part in the description, these will be from following description
In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
The utility model is above-mentioned and/or additional aspect and advantage from the following description of the accompanying drawings of embodiments will
Become obvious and be readily appreciated that, in which:
Fig. 1 is a kind of structural schematic diagram of embodiment of the radio frequency connector of the utility model；
Fig. 2 is the cross-sectional view of radio frequency connector shown in Fig. 1；
Fig. 3 is a kind of structural schematic diagram of embodiment of the radio-frequency devices cavity of the utility model；
Fig. 4 is the cross-sectional view of radio-frequency devices cavity shown in Fig. 3；
Fig. 5 is a kind of structural schematic diagram of embodiment of the radio-frequency devices of the utility model.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and cannot be construed to the utility model
Limitation.
As depicted in figs. 1 and 2, the utility model relates to a kind of radio frequency connectors 100, for installation into radio-frequency devices cavity
It on 200 (referring to Fig. 3 and Fig. 4, hereinafter referred to as " cavity "), collectively constitutes radio-frequency devices 1000 (referring to Fig. 5), uses with cavity 200
In to radiofrequency signal carry out handle and communicated with external devices.
The radio frequency connector 100 includes outer conductor 11 and inner conductor 12, and the outer conductor 11 has axially opposing the
One end 111 and second end 112 offer the through-hole 110 through first end 111 and second end 112 in outer conductor 11, and described
Through-hole 110 forms installation space 1101 in the first end 111, forms internal screw thread on the inner wall of the installation space 1101
1102, the internal screw thread 1102 is for the outer spiral shell when the radio frequency connector 100 is connect with the cavity 200 and on cavity 200
Line 211 (referring to Fig. 5), which cooperates, to be threadedly coupled.
The inner conductor 12 have axially opposing third end 121 and the 4th end 122, the inner conductor 12 with outer conductor 11
Coaxial and insulation mode is embedded at the outer conductor 11, and the third end 121 is pierced by from the first end 111, with
When the radio frequency connector 100 is installed on the cavity 200, the cavity 200 is protruded at the third end 121 that the inner conductor 12 exposes
Inner cavity, and then can be connect with the radio circuit in inner cavity, such as be of coupled connections with filter circuit.In addition, the inner conductor
There is the installation space 1101 between 11 first end 111 of 12 third ends 121 and outer conductor.
In the present embodiment, by the way that internal screw thread 1102 is arranged in 11 one end of outer conductor, so that the radio frequency of the utility model
When being installed on radio-frequency devices cavity 200, the mode that threaded connection can be used connects connector 100, protrusion that no setting is required
Flange saves material and processing cost；There is no screw assembly, it is easy to accomplish assembly automation reduces the human cost of assembly, and
And there is no " seesaw " effect, electric property is preferable.
Further, the radio frequency connector 100 further includes insulating supporting medium (not indicating, similarly hereinafter), the insulation branch
It supports medium socket to be set on the inner conductor 12, be used for from radially support, the fixed inner conductor 12, in order to avoid the inner conductor 12
Radial displacement occurs when by external force, and then influences the electric property of radio-frequency devices.Preferably, the insulating supporting is situated between
Matter includes the first insulating supporting medium 131 and the second insulating supporting medium 132.
The inner conductor 12 between third end 121 and the first end 111 of outer conductor 11 be equipped with first step (do not indicate,
Similarly hereinafter), the step end face of the first step is arranged towards the third end 121.The first insulating supporting medium 131 and institute
State the third end 121 that inner conductor 12 is tightly set to inner conductor 12, and the one of the first insulating supporting medium 131
End is connected to the step end face of the first step.The second insulating supporting medium 132 is located at the described 4th of inner conductor 12
End 122 and the first end 111 of outer conductor 11 between, and with 11 tight fit of the inner conductor 12 and outer conductor.
The outer conductor 11 also in the through-hole along the direction that the internal screw thread 1102 extends to the second end 110 according to
Secondary formation second step 1103 and third step 1104, the step end face of second, third step 1103,1104 is towards institute
The setting of first end 111 is stated, and the step end face of the second step 1103 constitutes the first ground plane.
Further, 121 end of third end of the inner conductor 12 is welded with coupling disc 14, is used for radio frequency electrical in cavity
Signal in road is coupled in radio frequency connector, realizes radio circuit of the signal in the radio frequency connector 100 with cavity 200
Between coupled transfer.
Accordingly, referring to Fig. 3 and Fig. 4, the utility model also provides a kind of radio-frequency devices cavity 200, including is integrally formed
Cavity body 20 and mounting portion 21, the mounting portion 21 be convexly equipped in described 20 one end of cavity body and for install radio frequency connection
Device 100 (referring to Fig. 5).
The cavity body 20 has inner cavity (not indicating, similarly hereinafter), interior to be equipped with radio circuit, such as filter circuit,
Preferably, the filter circuit includes several resonant columns 22 for being arranged in and connecting in cavity inner cavity and sequentially.
The mounting portion 21 is equipped with the mounting hole 210 penetrated through with the inner cavity of the cavity body 20,210 energy of mounting hole
It is passed through for the inner conductor 12 of the radio frequency connector 100；The periphery wall of the mounting portion 21 is equipped with external screw thread 211.
Preferably, in the mounting hole 210 equipped with step end face towards the 4th of outer end face 213 of the mounting portion 21
Rank 214.
Preferably, the mounting portion 21 is equipped on the periphery wall between its outer end face 213 and the external screw thread 211
The step end face of 5th step 212, the 5th step 212 is arranged towards the outer end face, constitutes the second ground plane.
In addition, the utility model further relates to one kind by above-mentioned radio-frequency devices cavity 200 and radio frequency connector 100 referring to Fig. 5
The radio-frequency devices 1000 of composition.
Wherein, the third end 121 of the inner conductor 12 is arranged in the mounting hole 210 of the cavity 200 and protrudes into institute
The inner cavity for stating cavity 200 is connect with the radio circuit in cavity 200；It is empty that the mounting portion 21 of the cavity 200 is set to the installation
Between in 1101, and pass through the external screw thread 211 and the mutually matched mode of the internal screw thread 1102 and the radio frequency connector 100
Outer conductor 11 be threadedly coupled.
In the radio-frequency devices 1000 of the utility model, by the way that internal screw thread 1102 is arranged in 11 one end of outer conductor, in chamber
200 one end projection periphery of body forms the mounting portion 21 of external screw thread 211, so that the radio frequency connector 100 is being installed to cavity 200
When upper, the mode that threaded connection can be used is connected, and the flange for protrusion that no setting is required saves material and processing cost；There is no screw
Assembly, it is easy to accomplish assembly automation reduces the human cost of assembly, and there is no " seesaw " effect, electric properties
Preferably.
The first insulating supporting medium 131 is sheathed on the inner conductor 12 and the first insulating supporting medium 131
It is connected between the first step and the 4th step 214 of the cavity；The second insulating supporting medium 132 is set to described
Between inner conductor 12 and the outer conductor 11 and between the first end 111 and the 4th end 122, and interior led with described
11 tight fit of body 12 and outer conductor.Hereby it is achieved that the axial limiting of insulating supporting medium, avoids insulating supporting medium in radio frequency
Axial displacement is generated in device use process, is further ensured that the inner conductor 12 and male part 4 will not produce when by radial force
Raw larger radial displacement, no matter radio-frequency devices are in the case where high temperature, low temperature and vibration so that male part 4 with it is humorous in cavity
The distance that vibration column 22 is consistent, improves the stability of the indices of radio-frequency devices.
Since the first ground plane and the second ground plane are to be correspondingly arranged at the step on outer conductor and mounting portion and being oppositely arranged
End face, after the radio frequency connector is installed to the cavity, first ground plane of the outer conductor 11 is connected to institute
Second ground plane for stating cavity 20, facilitates the connection between ground plane, realizes ground connection.Simultaneously as step end face
Mutual compression for plane, ground plane is uniform and sufficiently large, ground plane good fit, reduces since nonlinear contact generates
Intermodulation product.
Further, have between the outer end face 213 of the mounting portion 21 and the step end face of the third step 1104
Axial gap, mounting portion 21 are located at periphery wall and the second step between its outer end face 213 and second ground plane
There is radial clearance between 1103 step side.There is the radial direction of annular between radio frequency connector 100 and cavity 200 as a result,
Gap and columned axial gap reduce electric field and current strength at ground plane so that reach ground connection place electric field with
Electric current has certain decaying, further decrease due to high current, big electric field ionization generate intermodulation product, improve mutual level-off and
Stability.
Further, the outer conductor 11 is also formed in the first end 111 empty from 111 end face of first end to the installation
Between 1101 seal grooves (not indicating, similarly hereinafter) extended, the seal groove is connected to the installation space 1101 and is used to fill close
Closure material, such as sealing ring 300 (referring to Fig. 5), when the radio frequency connector is installed on cavity, to realize the two junction
Water-proof function.
In addition, 131 front end of the first insulating supporting medium is equipped with chamfering, penetrated in the radio frequency connector 100 with described
When frequency device cavity 200 docks, the first insulating supporting medium 131 of the radio frequency connector 100 enters the radio-frequency devices chamber
When the cavity body 20 of body 200, the first insulating supporting medium 131 and 200 clearance fit of radio-frequency devices cavity, with side
Toilet states inner conductor 12, the first insulating supporting medium 131 and coupling disc 14 on radio frequency connector 100 etc. and enters the cavity sheet
In body 20, to be easily assembled.
The radio-frequency devices of the utility model include but is not limited to filter, combiner, duplexer, electric bridge etc..
The above is only some embodiments of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (11)
1. a kind of radio frequency connector, for being used cooperatively with radio-frequency devices cavity characterized by comprising
Outer conductor with axially opposing first end and second end, the outer conductor are equipped with through the first end and described the
The through-hole at two ends；
Inner conductor with third end and the 4th end, the inner conductor are set in the through-hole, and described in the stretching of the third end
First end；
The through-hole is equipped with internal screw thread close to the hole wall of the first end, hole wall equipped with the internal screw thread and the inner conductor it
Between have installation space.
2. radio frequency connector according to claim 1, which is characterized in that it further include insulating supporting medium, the insulation branch
Supportting medium includes the first insulating supporting medium and the second insulating supporting medium；
The inner conductor between the first end and the third end is equipped with first step, the step end of the first step
Facing towards the third end be arranged, the first insulating supporting medium socket be set to the inner conductor on and with the first step
Step end face abuts；
The second insulating supporting medium be set between the inner conductor and the outer conductor and be located at the first end with it is described
Between 4th end.
3. radio frequency connector according to claim 1, which is characterized in that the through-hole be located at the internal screw thread with it is described
Hole wall between second end is equipped with second step, and the step end face of the second step is the first ground plane, and towards institute
State first end setting.
4. radio frequency connector according to claim 3, which is characterized in that the through-hole is being located at the second step and institute
It states and is additionally provided with third step on the hole wall between second end, the step end face of the third step is arranged towards the first end.
5. a kind of radio-frequency devices cavity characterized by comprising
Cavity body；
Mounting portion, the mounting portion are convexly equipped in outside the cavity body and for connecting described in any one of Claims 1-4 4
Radio frequency connector；
The mounting portion is equipped with the mounting hole penetrated through with the inner cavity of the cavity body, and the mounting hole can be connected for the radio frequency
The inner conductor of device passes through；
The periphery wall of the mounting portion is equipped with external screw thread.
6. radio-frequency devices cavity according to claim 5, which is characterized in that be equipped with step end face direction in the mounting hole
4th step of the outer end face of the mounting portion.
7. radio-frequency devices cavity according to claim 5, which is characterized in that the mounting portion is being located at its outer end face and institute
It states periphery wall between external screw thread and is equipped with the 5th step, the step end face of the 5th step is the second ground plane, and court
It is arranged to the outer end face.
8. a kind of radio-frequency devices characterized by comprising
Radio frequency connector, including outer conductor and inner conductor, the outer conductor have axially opposing first end and second end, and
The through-hole through the first end and the second end is offered, the through-hole is equipped with interior spiral shell close to the hole wall of the first end
Line；The inner conductor has axially opposing third end and the 4th end, and the inner conductor is set in the through-hole, and the third
The first end is stretched out at end, has installation space between the inner conductor and hole wall equipped with the internal screw thread；
Radio-frequency devices cavity, including cavity body and mounting portion, the mounting portion are convexly equipped in outside the cavity body；The installation
Portion is equipped with the mounting hole penetrated through with the inner cavity of the cavity body, and the mounting hole is worn for the inner conductor of the radio frequency connector
It crosses；The outer wall of the mounting portion is equipped with external screw thread；
The third end of the inner conductor is arranged in the mounting hole, and the mounting portion is set in the installation space, and described
External screw thread and the internal screw thread, which cooperate, to be connected.
9. radio-frequency devices according to claim 8, which is characterized in that the radio frequency connector further includes that insulating supporting is situated between
Matter, the insulating supporting medium include the first insulating supporting medium and the second insulating supporting medium；
The inner conductor between the first end and the third end is equipped with first step, the step end of the first step
It is arranged facing towards the third end；The 4th step is equipped in the mounting hole, the step end face of the 4th step is described in
The outer end face of mounting portion is arranged；The first insulating supporting medium socket is set on the inner conductor and first insulating supporting is situated between
Matter is connected between the first step and the 4th step；
The second insulating supporting medium be set between the inner conductor and the outer conductor and be located at the first end with it is described
Between 4th end.
10. radio-frequency devices according to claim 8, which is characterized in that the through-hole be located at the internal screw thread with it is described
Hole wall between second end is equipped with second step, and the step end face of the second step is the first ground plane, and towards described
First end setting；
The mounting portion on the periphery wall between its outer end face and the external screw thread be equipped with the 5th step, described 5th
The step end face of rank is the second ground plane, and is arranged towards the outer end face of the mounting portion；
Second ground plane is connected to first ground plane.
11. radio-frequency devices according to claim 10, which is characterized in that the installation position is in its outer end face and described
Periphery wall between two ground planes and there is radial clearance between the step side of the second step；
The through-hole is additionally provided with third step, the third on the hole wall between the second step and the second end
The step end face of step is arranged towards the first end, and has axial gap with the outer end face of the mounting portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820687859.8U CN208522203U (en) | 2018-05-08 | 2018-05-08 | Radio frequency connector, radio-frequency devices cavity and radio-frequency devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820687859.8U CN208522203U (en) | 2018-05-08 | 2018-05-08 | Radio frequency connector, radio-frequency devices cavity and radio-frequency devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208522203U true CN208522203U (en) | 2019-02-19 |
Family
ID=65342466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820687859.8U Active CN208522203U (en) | 2018-05-08 | 2018-05-08 | Radio frequency connector, radio-frequency devices cavity and radio-frequency devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208522203U (en) |
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2018
- 2018-05-08 CN CN201820687859.8U patent/CN208522203U/en active Active
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Effective date of registration: 20200201 Address after: 510730 No. 6, layered Road, Guangzhou economic and Technological Development Zone, Guangdong Patentee after: COMBA TELECOM TECHNOLOGY (GUANGZHOU) Ltd. Address before: 510663 Guangzhou Science City, Guangdong Shenzhou Road, No. 10 Co-patentee before: COMBA TELECOM TECHNOLOGY (GUANGZHOU) Ltd. Patentee before: Comba Telecom System (China) Ltd. Co-patentee before: COMBA TELECOM SYSTEMS (GUANGZHOU) Ltd. Co-patentee before: TIANJIN COMBA TELECOM SYSTEMS Ltd. |