CN205944386U - U type groove and feed network subassembly for coaxial cable fixed connection - Google Patents
U type groove and feed network subassembly for coaxial cable fixed connection Download PDFInfo
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- CN205944386U CN205944386U CN201620721596.9U CN201620721596U CN205944386U CN 205944386 U CN205944386 U CN 205944386U CN 201620721596 U CN201620721596 U CN 201620721596U CN 205944386 U CN205944386 U CN 205944386U
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Abstract
The utility model relates to a U type groove and feed network subassembly for coaxial cable fixed connection, U type groove includes first section U type groove and second section U type groove, first section U type inslot directly is greater than second section U type groove, first section U type groove is connected by the fixture, first section U type groove is connected in second section U type groove, first section U type groove, first section U type tank bottom portion has seted up an air vent, the utility model provides a high quality welding of coaxial cable outer conductor and connector for the programming rate of when welding cavity, has improved production efficiency and tin and has flowed the from bottom to top and fill and pile up, avoided rosin joint or the extravagant material of excessive welding.
Description
Technical field
The utility model is related to the communications field, in particular, be related to a kind of coaxial cable be fixedly connected with U-type groove and
Feeding network assembly.
Background technology
Need in communications industry antenna for base station at present the feeding network part with coaxial cable welding include cavity of power distributor,
Filter cavity, combiner cavity etc. part, they are designed as the architectural feature of U-type groove with coaxial cable weld.
On the outer conductor of coaxial cable and cavity during simple U-type groove welding, coaxial cable and U-type groove coaxial placement, they
Peripheral clearance space is that lower end space is little, and upper end space is big, is to make tin stream sufficiently flow into U-type groove bottom, generally individually will during scolding tin
Extend weld interval.But, weld interval increase can lead to tin stream to flow out outside U-type groove upper end, pollute and waste tin bar
Material, and tin stream can only soak the upper semi-circle region (U-type groove upper-end part of driving) covering coaxial cable well, but tin stream is very
Difficulty fully flows into the lower half circle region (U-type groove lower end part) soaking coaxial cable, or prolongation weld interval could preferably
Allow tin stream flow into the lower half circle region of coaxial cable, cause to waste tin bar material and man-hour increases.The cavity batch of this class formation
During production, there is rosin joint hidden danger in the lower half circle region of coaxial cable, directly affect power splitter assembly, filter assembly, combiner
The intermodulation electric property of the feeding network assembly such as assembly.In addition, most of feeding network cavity is fixed on instead using earthing mode
Penetrate on plate, i.e. the screwed hole boss directly contact reflecting plate of cavity, then locked with metallic screw, the screwed hole boss of cavity
Flatness precision is slightly worse and locking is slightly loosening, all can affect the intermodulation electric property of feeding network assembly, and then affects base station
The electric property of the whole machine of antenna.
Utility model content
In view of this it is necessary to be directed to the problems referred to above, a kind of coaxial cable is provided to be fixedly connected with U-type groove and feeding network
Assembly, solves the high-quality welding of coaxial cable outer conductor and connector, accelerates the programming rate of cavity during welding, improves
Production efficiency, He Xiliu fills accumulation from bottom to top, it is to avoid rosin joint or excessive welding waste of materials.
To achieve these goals, the technical solution of the utility model is as follows：
A kind of coaxial cable is fixedly connected uses U-type groove, including first paragraph U-type groove and second segment U-type groove, first paragraph U-type groove
Internal diameter is more than second segment U-type groove, and described first paragraph U-type groove connects fixation, and it is U-shaped that described second segment U-type groove connects first paragraph
Groove, described first paragraph U-type groove.
As preferred, described first paragraph U-type groove bottom offers a passage.
As preferred, described U-type groove is thin-walled suspension type.
As preferred, described first paragraph U-type groove and second segment U-type groove are integral type structure.
As preferred, described first paragraph U-type groove end is provided with positive stop lug boss.
A kind of feeding network assembly, including metallic cavity, coaxial cable, is provided with feeder assembly inside described metallic cavity,
Described metallic cavity both sides are connected with some above-mentioned U-type groove, and described U-type groove connects with inside metallic cavity, described coaxial cable
Feeder assembly within metallic cavity is connected by U-type groove.
As preferred, described feeder line includes pcb board and metal feeder.
As preferred, also include plastic cement buckle, described metallic cavity be provided with can clamping metallic cavity plastic cement buckle,
Described plastic card is buckled and is provided with through hole.
Compared with prior art, the beneficial effects of the utility model are：U-type groove in the utility model solves coaxially
The high-quality welding of cable outer conductor and connector accelerates the programming rate of cavity during welding, improves production efficiency, and tin
Pile up from bottom to top by filling for stream, it is to avoid rosin joint or excessive welding waste of materials.For antenna for base station feed assembly when, utilize
Plastic cement buckle is fixed on reflecting plate by cavity insulation, it is to avoid cavity directly contact reflecting plate is because of contact surface low precision thus leading
The intermodulation electric property causing feeding network assembly does not meet index, namely the whole machine intermodulation electric property that improve antenna for base station.
Brief description
Fig. 1 is the structural representation of U-type groove in the utility model embodiment；
Fig. 2 is the utility model embodiment first paragraph U-type groove and second segment U-type groove welds coaxial cable schematic diagram；
Fig. 3 is installed on antenna-reflected plate schematic diagram for the utility model embodiment feeding network assembly.
Specific embodiment
With reference to the accompanying drawings and examples a kind of coaxial cable described in the utility model is fixedly connected with U-type groove and feedback
Electric network assembly is described further.
The following is a kind of coaxial cable described in the utility model be fixedly connected optimal with U-type groove and feeding network assembly
Example, does not therefore limit protection domain of the present utility model.
Embodiment 1
Fig. 1 shows that a kind of coaxial cable is fixedly connected and uses U-type groove, different from the U-type groove of existing one-part form structure, this
U-type groove in embodiment includes two sections, is divided into first paragraph U-type groove 1 and second segment U-type groove 2, and first paragraph U-type groove 1 is used for connecting quilt
Fixing object, it is designed as thin-walled suspended structure, and junction is provided with positive stop lug boss 3, and U-shaped 1 trench bottom of first paragraph
It is provided with ventilation circular hole 4, second segment U-type groove 2 connects first paragraph U-type groove 1, second segment U-type groove 2 and first paragraph U-type groove 1 are integral type
Naturally it is also possible to be designed as dismountable structure, in the present embodiment, the internal diameter of described first paragraph U-type groove 1 is more than second to structure
The internal diameter of section U-type groove 2, positive stop lug boss 3 circumference when installing coaxial cable, at the medium of coaxial cable and first paragraph U-type groove 1
Contact, a portion of coaxial cable outer conductor, with second segment U-type groove 2 circular contact, defines first paragraph U-type groove 1 and closes
Sufficient tin stream can be preserved in space, melts tin bar after heating U-type groove, leads to because first paragraph U-type groove 1 bottom centre has a roundlet
Pore 3, this hole evacuation of air can be depressured and discharge the bubble in the rosin melting at first during heating tin bar and tin stream well,
As shown in Fig. 2 tin stream 5 is piled up to top from coaxial cable 6 bottom, progressively soak the whole circle covering coaxial cable 6 outer conductor
All regions, tin stream 5 fully covers the first paragraph U-type groove 1 being connected to the outer conductor of coaxial cable 6 with cavity, it is to avoid rosin joint wind
Danger, and tin stream 5 is up to pile up from U-type groove bottom, when tin stream 5 is stacked into first paragraph U-type groove 1 top, illustrates that welding is abundant
Completely, you can stop welding, will not being afraid of that rosin joint continues to add tin thus leading to tin stream 5 to flow out U-type groove top surface, wasting tin bar material
During with Welder.
U-type groove is designed to thin-walled suspension type, that is, in addition to connecting with fixation main body, not with remaining position phase any
Even, when can significantly improve welding, the programming rate of cavity, improves production efficiency.First paragraph U-type groove 1 and second segment U-type groove 2
Different external diameter sizes can be become according to the coaxial cable designs of cooperation different resistance values, not only limit a fixed dimension value, the
The passage of one section of U-type groove 1 bottom can be designed to circular hole or other shapes.
Embodiment 2
In the present embodiment, as shown in Figure 3, there is provided be used as the cavity of feeding network in a kind of antenna for base station, including metal
Cavity 9, feeder assembly, coaxial cable 6 and plastic cement buckle 8, feeder assembly includes metal feeder (not shown) and pcb board 10,
Inside metallic cavity 9, coaxial cable core connecting PCB board 10, if described metallic cavity 9 two ends are provided with described pcb board 10
Dry U-type groove as described in example 1 above, the outer conductor of coaxial cable 6 is welded with the U-type groove in metallic cavity 9, coaxial cable 6
Core and metal feeder weld.The U-type groove of this novel practical metallic cavity 9 adopts the different two ends U-type groove of external diameter to be connected, the
One section of U-type groove 1 internal diameter is big, and second segment U-type groove 2 internal diameter is little, and first paragraph U-type groove 1 bottom centre has a roundlet passage 4,
When this architectural feature solves welding coaxial cable 6 outer conductor, tin stream can fully soak covering coaxial cable outer conductor upper and lower half
Circle region (as dotted line top and the bottom in Fig. 2), eliminates rosin joint hidden danger；U-type groove is designed to thin-walled suspension type, that is, except with gold
Belong to the connection of cavity 9 main body outer, be not connected with remaining position, when can significantly improve welding, the programming rate of cavity, that is, save
During Welder；In addition, using plastic cement buckle 8 clamping metallic cavity and being fixed on the reflecting plate 7 of antenna, realize and reflection
Plate 7 insulate, it is to avoid cavity directly contact reflecting plate because of contact surface low precision thus lead to feeding network assembly intermodulation electric
Performance.
In implementation process, installation process is as follows：
The first step, plastic card buckle tight metallic cavity main body section；
Second step, according to actually used demand, feeding network assembly can be divided into and being directly installed on reflecting plate or needs are padded
It is contained on reflecting plate：
A, padded when, buckle end clamping metallic cavity using plastic card, plastic card detains the hole position that end snaps in reflection,
Realization is fastenedly connected；
When B, needs are padded, using the plastic cement pillar needing height and metal screws, cavity and plastic card are buckled and be fastened on instead
Penetrate on plate, plastic cement buckle is designed with the through hole through metallic screw；
3rd step, according to actually used demand, can be used pcb board or metal feeder as transmission network inside metallic cavity
Network, they have the core with coaxial cable for the part by being welded to connect fixation；
4th step, coaxial cable is placed at the U-type groove of cavity, and wherein, the positive stop lug boss in U-type groove plays spacing coaxial
The effect of cable position.
5th step, after coaxial cable position is put well, heats U-type groove using flatiron, will solder horn to be placed on first paragraph U-shaped
Groove top, slightly hot a period of time makes its high temperature, then tin bar is put into cavity first paragraph U-type groove top, and tin bar constantly melts,
Until tin stream be full of cavity first paragraph U-type groove, now, flatiron is removed complete coaxial cable outer conductor U-shaped with metallic cavity
The welding of groove.
6th step, according to the debugging demand of antenna for base station electric property, can reuse flatiron heating U-type groove, to weldering
The tin connecing eases out coaxial cable after melting, and then adds tin again and again welds or change coaxial cable welding, until the electricity of antenna
Gas performance meets performance indications.
In sum, the beneficial effects of the utility model are：
1st, adopt the different two-part U-type groove of internal diameter, first paragraph U-type groove internal diameter is big, and second segment U-type groove internal diameter is little, and the
One section of U-type groove bottom centre has a roundlet passage；When solving welding coaxial cable, the medium of coaxial cable and first paragraph
Positive stop lug boss circular contact at U-type groove, a portion of coaxial cable outer conductor is with second segment U-type groove circular contact, shape
Become first paragraph U-type groove closing space can preserve tin stream, melt tin bar after the first paragraph U-type groove of heating cavity, because of first paragraph U
Type groove bottom centre has a roundlet passage, can well evacuation of air step-down or tin stream in bubble and discharge heating tin
The rosin melting at first during bar, tin stream is piled up from coaxial cable bottom to top, progressively soaks and covers coaxial cable outer conductor
Whole circumference region, tin stream fully covers the first paragraph U-type groove being connected to the outer conductor of coaxial cable with cavity, it is to avoid rosin joint
Risk, and tin stream is up to pile up from U-type groove bottom, when tin stream is stacked into the first paragraph U-type groove top of cavity, welding has been described
Fully complete, you can to stop welding, will not being afraid of that rosin joint continues to add tin thus leading to tin stream to flow out U-type groove top surface, wasting tin bar
When material and Welder；
2nd, two sections of U-type groove can become different external diameter sizes according to the coaxial cable designs of cooperation different resistance values, not only
One fixed dimension value of limit, the passage of first paragraph U-type groove bottom can be designed to other shapes, be not limited only to circular hole.
3rd, first paragraph U-type groove is connected in the main body of metallic cavity, and U-type groove is designed to thin-walled suspension type, that is, except with
Outside metallic cavity main body connects, it is not connected with remaining position, it is to avoid during heating, temperature is conducted quickly to other positions of metallic cavity,
The programming rate of cavity when can significantly improve welding, that is, when saving Welder；.
4th, feeding network assembly is fixed in instead using plastic cement buckle, rivet or the securing member such as plastic cement pillar and screw
Penetrate on plate, and whole feeding network assembly and reflecting plate alterable height it is achieved that with reflecting plate insulation, it is to avoid cavity is direct
Contact reflecting plate is because of contact surface low precision thus leading to the intermodulation electric property of feeding network assembly not to be inconsistent technical indicator；
5th, improve the electric property of feeding network assembly and the whole machine of antenna, when saving Welder, improve production efficiency；Keep away
Exempt to waste tin stream and tin stream pollution cavity, save material.
Embodiment described above only have expressed several embodiments of the present utility model, and its description is more concrete and detailed,
But therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that it is common for this area
For technical staff, without departing from the concept of the premise utility, some deformation can also be made and improve, these all belong to
In protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be defined by claims.
Claims (8)
1. a kind of coaxial cable is fixedly connected with U-type groove it is characterised in that including first paragraph U-type groove and second segment U-type groove, the
One section of U-type groove internal diameter is more than second segment U-type groove, and described first paragraph U-type groove connects fixation, and described second segment U-type groove connects
First paragraph U-type groove, described first paragraph U-type groove.
2. coaxial cable according to claim 1 is fixedly connected with U-type groove it is characterised in that described first paragraph U-type groove bottom
Portion offers a passage.
3. coaxial cable according to claim 1 be fixedly connected with U-type groove it is characterised in that described U-type groove be thin-walled hang
Hanging.
4. coaxial cable according to claim 1 is fixedly connected with U-type groove it is characterised in that described first paragraph U-type groove end
Portion is provided with positive stop lug boss.
5. coaxial cable according to claim 1 be fixedly connected with U-type groove it is characterised in that described first paragraph U-type groove with
Second segment U-type groove is integral type structure.
6. a kind of feeding network assembly, in antenna for base station, including metallic cavity, coaxial cable, inside described metallic cavity
Be provided with feeder assembly it is characterised in that described metallic cavity both sides be connected with some as arbitrary in claim 1 to 5 described U-shaped
Groove, described U-type groove connects with inside metallic cavity, and described coaxial cable connects the feeder line group within metallic cavity by U-type groove
Part.
7. feeding network assembly according to claim 6 is it is characterised in that described feeder line includes pcb board and metal feeder.
8. feeding network assembly according to claim 6 it is characterised in that described metallic cavity be provided with can clamping metal
The plastic cement buckle of cavity, described plastic card is buckled and is provided with through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620721596.9U CN205944386U (en) | 2016-07-08 | 2016-07-08 | U type groove and feed network subassembly for coaxial cable fixed connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620721596.9U CN205944386U (en) | 2016-07-08 | 2016-07-08 | U type groove and feed network subassembly for coaxial cable fixed connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205944386U true CN205944386U (en) | 2017-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620721596.9U Active CN205944386U (en) | 2016-07-08 | 2016-07-08 | U type groove and feed network subassembly for coaxial cable fixed connection |
Country Status (1)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108172981A (en) * | 2017-12-30 | 2018-06-15 | 京信通信系统（中国）有限公司 | Antenna and its radiating element |
| WO2019011136A1 (en) * | 2017-07-13 | 2019-01-17 | 广州杰赛科技股份有限公司 | Cable outer conductor weldment and antenna |
-
2016
- 2016-07-08 CN CN201620721596.9U patent/CN205944386U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019011136A1 (en) * | 2017-07-13 | 2019-01-17 | 广州杰赛科技股份有限公司 | Cable outer conductor weldment and antenna |
| CN108172981A (en) * | 2017-12-30 | 2018-06-15 | 京信通信系统（中国）有限公司 | Antenna and its radiating element |
| CN108172981B (en) * | 2017-12-30 | 2024-05-24 | 京信通信技术(广州)有限公司 | Antenna and radiating element thereof |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |