CN207883982U - A kind of coaxial radio-frequency connector - Google Patents
A kind of coaxial radio-frequency connector Download PDFInfo
- Publication number
- CN207883982U CN207883982U CN201721578836.5U CN201721578836U CN207883982U CN 207883982 U CN207883982 U CN 207883982U CN 201721578836 U CN201721578836 U CN 201721578836U CN 207883982 U CN207883982 U CN 207883982U
- Authority
- CN
- China
- Prior art keywords
- insulating part
- shell
- frequency connector
- coaxial radio
- boot segment
- 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.)
- Expired - Fee Related
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Abstract
The center conductor both sides of the coaxial radio-frequency connector of the utility model, enclosure interior are respectively arranged with preceding insulating part, rear insulating part, and preceding insulating part, rear insulating part are inlaid in after being one in front and one in back embedded in center conductor both ends in shell；Insulating part outer end is closed by fluid sealant afterwards；Electrical connection properties are good, and signal decaying is few, reduces manufacturing cost, reduces resource consumption.
Description
Technical field
The utility model is related to the one kind being connected between the receptions such as the tuner of satellite antenna, set-top box transmission signal is same
Axis radio frequency connector, more particularly to a kind of F types, FL10 type coaxial radio-frequency coaxial connectors.
Background technology
Coaxial radio-frequency connector between the signal transmissions receiving part such as satellite antenna tuner, set-top box is generally led by interior
Grafting assembly is constituted successively for body, spring leaf, intermediate insulator, outer conductor, and the specific structure is shown in FIG. 3, contact spring 3, PIN
Needle 4 by riveting or being formed by welding inner conductor component, the PIN needle tail periphery of inner conductor component back segment be socketed successively piece 5 in insulation,
Sealing ring 6, insulation upper cover 7,3 outside of contact spring stretched into shell are socketed insulator foot 2, and component is packed into punching press in shell 1
After riveting constitutes riveting mouth 13, assembly is completed.Due to the defect that common F types, FL10 type coaxial connectors design, lead to product
Production, assembly technology are complicated, and part is more, of high cost, consistency is poor, the process-cycle is long, main electrical characteristics are poor, difficult adaptation automation
Assembly, resource consumption is more, is mainly manifested in：
Complicated, assembly technology is cumbersome；Automated assembly is difficult or automatic assembling machine is complicated, and assembly time is long, production
It is of high cost；Shell stamping riveting structure as shown in Figure 4 needs to increase sleeving and riveting section 14, and 1.5 millimeters of 14 length of sleeving and riveting section need are so as to complete
Riveting mouth 13 is constituted at sleeving and riveting work, riveting segment is proof strength, and endoporus can only accomplish 6.5 millimeters of diameter；And it is to reach enough
Water resistance, it is ensured that 11 thickness of load wall of inner seal rings stress, left side aperture must reach 0.8 millimeter；
Main electrical characteristics are poor；- 7db can only be arrived in the 950MHz~2150MHz transmission signal decaying of conventional frequency section；Sealing ring
Deformation force, insulator foot outer diameter is small yielding, causes the exposed size of PIN needle difficult to control, product qualified rate is not high；
It is of high cost:Multiple insulating parts and sealing ring number of parts are more, and shell endoporus is small, load wall thickness is big, raw material consumption
More, to adapt to sleeving and riveting segment structure, the equipment wall thickness mating with it also needs to increase to 1.5 millimeters.
Invention content
Technical problem to be solved by the utility model is to provide a kind of electrical connection properties height, small, the parts of signal decaying
Quantity is few, compact-sized, and assembly technology is simple, the low coaxial radio-frequency connector of production cost.
The coaxial radio-frequency connector of the utility model, including shell, enclosure interior are provided with center conductor, and feature exists
In：Center conductor both sides are respectively arranged with preceding insulating part, rear insulating part, during preceding insulating part, rear insulating part are one in front and one in back embedded in
Heart conductor both ends, preceding insulating part, rear insulating part are inlaid in shell；There is between insulating part outer end face and housing rear end one section afterwards
Distance is closed between rear insulating part outer end face and housing rear end by fluid sealant,；
The shell inner surface back segment is provided with the first slightly larger boot segment of diameter；
First boot segment is connect with housing body inner surface by conical surface transition；
The second boot segment is also equipped with after described on the inside of insulating part, it is straight that the second boot segment diameter is less than rear insulating part main body
Diameter；
Second boot segment of insulating part is connect also by the conical surface with rear insulating part body outer surface transition after described；
The first boot segment of shell back segment internal diameter is more than housing body internal diameter 0.2mm；
The first boot segment of shell back segment internal diameter is 7.2mm, wall thickness 0.2mm；Housing body internal diameter is 7mm, wall thickness
For 0.4mm.
The coaxial radio-frequency connector of the utility model, electrical connection properties are good, and signal decaying is few, and echo damage is surveyed by experiment
Consumption amplitude drops to 0.8-2.15GHZ return losses-11db or less by 0.8-2.15GHZ return losses-7db or so；Drop
Low manufacturing cost reduces resource consumption, is omitted sealing ring and insulation superstructure, shell need not setting sleeving and riveting section, it is main
Body bore inner diameter increases, and load wall does not have to load or very little its wall thickness only needs original half, and it is few that combination assembly expends the time；Work
Engineering plastics material consumption rate reduces by 25%, and copper material or kirsite used in shell reduce 15%, and electroplating cost reduces, and increases low consumption
Process and inexpensive sealant material；Finished product actual cost is reduced up to 10%；Matched equipment wall thickness can reduce by 1.5 millis
Rice, production cost is low, and energy consumption is few.
Description of the drawings
Fig. 1 is the coaxial radio-frequency connector planar structure schematic diagram of the utility model embodiment；
Fig. 2 is the coaxial radio-frequency connector shell structure schematic diagram of the utility model embodiment；
Fig. 3 is coaxial radio-frequency connector planar structure schematic diagram in the prior art；
Fig. 4 is the shell structure schematic diagram of coaxial radio-frequency connector in the prior art.
Specific implementation mode
As shown, a kind of coaxial radio-frequency connector, including shell 1, shell 1 are internally provided with center conductor, center is led
Body both sides are respectively arranged with preceding insulating part 2, rear insulating part 5, and preceding insulating part 2, rear insulating part 5 are one in front and one in back embedded in center conductor
Both ends, preceding insulating part 2, rear insulating part 5 are inlaid in shell 1；5 outer end of insulating part is closed by fluid sealant 6 afterwards；Center conductor by
Contact spring 3 is with PIN contact pins 4 by riveting or being welded to connect composition, insulating part 5 after being set on rear side of center conductor, front side suit
Preceding insulating part 2, preceding insulating part 2,5 inside of rear insulating part are embedded in after being set with center conductor inside shell 1, rear insulating part 5 and shell
1 endoporus of body is installed by being interference fitted；There is a distance afterwards so that rear insulation between 1 rear end of 5 outer end face of insulating part and shell
Cavity is constituted between 1 rear end of 5 outer end face of part and shell, filling with sealant 6 seals closing in cavity, reaches water resistance IP68's
It is required that.
Further, 1 inner surface back segment of shell is provided with the first slightly larger boot segment 14 of diameter, the first boot segment 14 with
12 inner surface of housing body is connected by 13 transition of the conical surface；Fluid sealant 6 can extend the rear end for being filled into rear insulating part 5 and shell
Between 1 inner cavity, and cone seal is formed along the conical surface 13, sealing performance is reliable.
Further, be also equipped with the second boot segment 51 on 5 inside excircle of rear insulating part, the second boot segment 51 it is straight
Diameter is less than 5 main diameter of rear insulating part so that the rear composition of insulating part 5 sinks to section and the second boot segment, is embedded in insulating part 5 after an action of the bowels
Inside shell 1, while the realization of automatic assembling can be convenient for；The second boot segment 51 of insulating part 5 is also by the conical surface and exhausted afterwards afterwards
The 5 body outer surface transition of edge part connects.
Specifically, 1 the first boot segment of back segment of shell, 14 internal diameter is more than 12 internal diameter 0.2mm of housing body；1 back segment of shell
One boot segment, 14 internal diameter is 7.2mm, wall thickness 0.2mm；12 internal diameter of housing body is 7mm, wall thickness 0.4mm.
The coaxial radio-frequency connector of the utility model, electrical connection properties are good, and signal decaying is few, and echo damage is surveyed by experiment
Consumption amplitude drops to 0.8-2.15GHZ return losses-11db or less by 0.8-2.15GHZ return losses-7db or so；Drop
Low manufacturing cost reduces resource consumption, is omitted sealing ring and insulation superstructure, shell need not setting sleeving and riveting section, it is main
Body bore inner diameter increases, and load wall does not have to load or very little its wall thickness only needs original half, and it is few that combination assembly expends the time；Work
Engineering plastics material consumption rate reduces by 25%, and copper material or kirsite used in shell reduce 15%, and electroplating cost reduces, and increases low consumption
Process and inexpensive sealant material；Finished product actual cost is reduced up to 10%；Matched equipment wall thickness can reduce by 1.5 millis
Rice, production cost is low, and energy consumption is few.
The purpose of coaxial radio-frequency connector of the utility model is overcome the deficiencies in the prior art, designs a kind of electrical property connection
The decaying of middle signal significantly reduces, and reduce manufacturing cost, the injecting glue F types, the FL10 types that reduce resource consumption it is coaxially connected
Device.
The coaxial radio-frequency connector specific embodiment of the utility model includes by contact spring 3, PIN contact pins 4, preceding
Insulating part 2, afterwards insulation 5, fluid sealant 6 constitute, contact spring 3, PIN contact pins 4 by riveting or being welded into center conductor component, after
Insulating part 5 is socketed on the PIN contact pins tail portion periphery of center conductor component back segment, and 3 outside of contact spring is socketed preceding insulating part 2, in
Heart conductor assembly suit insulating part indentation shell fills in the completion of fluid sealant 6 behind 1 inside.
The coaxial radio-frequency connector advantageous effect of the utility model：
1, signal decaying significantly reduces in electrical property connection.
The Common radio frequency coaxial connector of similar prior art, big due to that cannot be done in shell, impedance is not achieved preferably
75 Ω, signal decaying is big, by survey return loss significantly by 0.8-2.15GHZ return losses up to-7db or so, under
Drop to 0.8-2.15GHZ return losses-11db or less.
2, it reduces manufacturing cost, reduce resource consumption.In the generic coaxial connector of prior art, reduce sealing
Circle and insulation upper cover.Shell, which has subtracted sleeving and riveting section, endoporus increases, load wall does not have to load or very little its wall thickness only needs half, fills
It is reduced with working hour.The silicon rubber that sealing ring has is reduced to 0, and engineering plastics reduce by 25%, and copper material or kirsite used in shell are reduced
15%, electroplating cost reduces, and increases low consumption process and fluid sealant.Finished product actual cost is reduced up to 10%.Matched sets
Standby wall thickness can be reduced up to 1.5 millimeters.The implementation of the coaxial radio-frequency connector of the utility model can not only bring commercial to enterprise
Success, but also have realistic meaning to the saving of non-renewable resources.
In specific implementation
What one, rear insulating part 5 was provided with guiding force fit sinks to section and boot segment 51, and boot segment 51 is convenient for guiding interference
It is pressed into and is conducive to the realization of automatic assembling.
Two, in shell 1,14 be boot segment, and 13 be conical surface transition section, 14 enlarged diameter of boot segment to 7.2~7.3 millimeters,
And be not required to finish, keep sealing secured, is easily put into assembly with piece in insulation, more conducively realizes Automated assembly；The transition conical surface
It is boot section at 13, is conducive to insulating part and is pressed into place；Shell cube 12 is load wall, and wall thickness only has 0.4 millimeter, bore inner diameter
Reach 7 millimeters.
Three, injecting glue：1 the right endoporus of shell is hole for injecting glue, and injecting glue is less than 0.2 millimeter or so of shell, reaches after the completion of injecting glue
Waterproofing grade IP68 requirements.
Rest part is all made of corresponding common process and makes.
The one kind connected between the receptions such as tuner, the set-top box of technical scheme of the present invention satellite antenna transmission signal is same
Axis radio frequency connector.Obviously, the scope of application may be equally applicable for the radio frequency (RF) coaxial connector of other purposes not only in this.
Moreover, technical scheme of the present invention implement it is unrelated with the specification size of successive sets, successive fashion, it is clear that can to different size,
The radio frequency (RF) coaxial connector of different successive fashions carries out the technological improvement with same advantageous effect.
Claims (7)
1. a kind of coaxial radio-frequency connector, including shell（1）, shell（1）It is internally provided with center conductor, it is characterised in that：In
Heart conductor both sides are respectively arranged with preceding insulating part（2）, rear insulating part（5）, preceding insulating part（2）, rear insulating part（5）One in front and one in back cover
Embedded in center conductor both ends, preceding insulating part（2）, rear insulating part（5）It is inlaid in shell（1）It is interior；Insulating part afterwards（5）Outer end face and shell
Body（1）There is a distance, rear insulating part between rear end（5）Outer end face and shell（1）Pass through fluid sealant between rear end（6）Envelope
It closes.
2. coaxial radio-frequency connector according to claim 1, it is characterised in that：The shell（1）Inner surface back segment is provided with
The first slightly larger boot segment of diameter（14）.
3. coaxial radio-frequency connector according to claim 2, it is characterised in that：First boot segment（14）With housing body
（12）Inner surface passes through the conical surface（13）Transition connects.
4. coaxial radio-frequency connector according to claim 1, it is characterised in that：Insulating part after described（5）Inside is also equipped with
Second boot segment（51）, the second boot segment（51）Diameter is less than rear insulating part（5）Main diameter.
5. coaxial radio-frequency connector according to claim 4, it is characterised in that：Insulating part after described（5）The second boot segment
（51）Also by the conical surface and rear insulating part（5）Body outer surface transition connects.
6. coaxial radio-frequency connector according to claim 2, it is characterised in that：The shell（1）The first boot segment of back segment
（14）Internal diameter is more than housing body（12）Internal diameter 0.2mm.
7. coaxial radio-frequency connector according to claim 2, it is characterised in that：The shell（1）The first boot segment of back segment
（14）Internal diameter is 7.2mm, wall thickness 0.2mm；Housing body（12）Internal diameter is 7mm, wall thickness 0.4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721578836.5U CN207883982U (en) | 2017-11-23 | 2017-11-23 | A kind of coaxial radio-frequency connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721578836.5U CN207883982U (en) | 2017-11-23 | 2017-11-23 | A kind of coaxial radio-frequency connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207883982U true CN207883982U (en) | 2018-09-18 |
Family
ID=63501137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721578836.5U Expired - Fee Related CN207883982U (en) | 2017-11-23 | 2017-11-23 | A kind of coaxial radio-frequency connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207883982U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107799977A (en) * | 2017-11-23 | 2018-03-13 | 江苏明联电子科技有限公司 | A kind of coaxial radio-frequency connector |
-
2017
- 2017-11-23 CN CN201721578836.5U patent/CN207883982U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107799977A (en) * | 2017-11-23 | 2018-03-13 | 江苏明联电子科技有限公司 | A kind of coaxial radio-frequency connector |
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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: 20180918 Termination date: 20211123 |