CN207819104U - A kind of SMA radio frequency (RF) coaxial connectors - Google Patents
A kind of SMA radio frequency (RF) coaxial connectors Download PDFInfo
- Publication number
- CN207819104U CN207819104U CN201820153669.8U CN201820153669U CN207819104U CN 207819104 U CN207819104 U CN 207819104U CN 201820153669 U CN201820153669 U CN 201820153669U CN 207819104 U CN207819104 U CN 207819104U
- Authority
- CN
- China
- Prior art keywords
- inner chamber
- radio frequency
- insulation sleeve
- coaxial connectors
- threaded rod
- 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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- Coupling Device And Connection With Printed Circuit (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The utility model discloses a kind of SMA radio frequency (RF) coaxial connectors, including shell, left side is equipped with first inner chamber in the shell, it is communicated with second inner chamber in the middle part of the first inner chamber right end, cable is equipped in the first inner chamber, the cable includes insulation sleeve, copper core is equipped in the insulation sleeve, the copper core right end is through first inner chamber and stretches in second inner chamber；Both sides are equipped with through-hole up and down in the middle part of the first inner chamber, two through-holes are connected with first inner chamber and are equipped with clamping device in through-hole, the clamping device includes threaded rod, the threaded rod outer wall is equipped with second external screw thread of circle, the through-hole wall is equipped with the internal thread that a circle matches with the second external screw thread, described threaded rod one end is fixedly connected with spring, and the spring one end is fixedly connected with steel ball, and described steel ball one end offsets with insulation sleeve.The utility model is simple in structure, easy to connect, can clamping cables prevent it from falling off, installing and dismounting is easy.
Description
Technical field
The utility model is related to radio frequency (RF) coaxial connector technical field more particularly to a kind of SMA radio frequency (RF) coaxial connectors.
Background technology
SMA radio frequency (RF) coaxial connectors are typically a kind of element being installed on cable or on instrument, as transmission
Line is electrically connected or the element of separation, and in the prior art, SMA type radio frequency (RF) coaxial connectors use screw connection structure, although tool
There is connection reliable, anti-vibration, the advantages that impact resistance is strong, but as use environment becomes increasingly complex, using in airborne, carrier-borne vehicle
More stringent requirements are proposed for connection reliability of the complete machine device to connector in the equipment such as load, in order to prevent because of jerk etc.
Reason, which causes to be threadedly coupled, to be loosened, and to make complete machine break down, some producers provide one kind and installing guarantor in bindiny mechanism
The method of dangerous silk to increase the reliability of connection, but finds that the structure is more numerous using process during specific use
It is trivial, it is unfavorable for the installation of product repeated removal.
Through retrieval, Chinese patent Authorization Notice No. is that CN203813006U discloses a kind of SMA radio frequency (RF) coaxial connectors,
Including shell, the inner wire that is set to the insulator of the case inside and is set on the inside of the insulator, feature exists
In the shell is hollow cylinder, and the insulator is the hollow cylinder that top is provided with insulator round platform end, the insulator
The bottom surface diameter at round platform end is not more than the cylinder overall diameter of the insulator, and the upper bottom surface diameter at insulator round platform end is not
Less than the cylinder interior diameter of the insulator, the inner wire is solid cylinder, the equal length of length and the shell.
Existing SMA radio frequency (RF) coaxial connectors have the following disadvantages：The apparatus structure is single, with cable or other
Power equipment connection is unreliable, connects and loosens easily caused by various jerks, to make complete machine break down.
Utility model content
The purpose of this utility model is to provide a kind of SMA radio frequency (RF) coaxial connectors, have it is simple in structure, it is easy to connect,
Can clamping cables prevent it from falling off, the advantage of installing and dismounting simplicity solves complex installation process, with cable or other electricity
The connection of power equipment is unreliable, connects and loosens easily caused by various jerks, the problem of to make complete machine break down.
According to a kind of SMA radio frequency (RF) coaxial connectors of the utility model embodiment, including shell, left side is set in the shell
There is first inner chamber, second inner chamber is communicated in the middle part of the first inner chamber right end, cable, the cable are equipped in the first inner chamber
Including insulation sleeve, copper core is equipped in the insulation sleeve, the copper core right end is through first inner chamber and stretches in second inner chamber；Institute
It states both sides above and below in the middle part of first inner chamber and is equipped with through-hole, two through-holes are connected with first inner chamber and are equipped with folder in through-hole
Tight device, the clamping device include threaded rod, and the threaded rod outer wall is equipped with second external screw thread of circle, the through-hole wall
It is equipped with the internal thread that a circle matches with the second external screw thread, described threaded rod one end is fixedly connected with spring, the spring one
End is fixedly connected with steel ball, and described steel ball one end offsets with insulation sleeve, and the threaded rod other end is equipped with knob.
Further, the diameter of the first inner chamber is more than the diameter of second inner chamber, the first inner chamber diameter and insulation
Set outer diameter matches, and the second inner chamber diameter matches with copper core outer diameter.
Further, the shell outer right wall is equipped with a circle external screw thread.
Further, the housing central section outer wall is equipped with a circle anti-skid chequer.
Further, it is equipped with one layer of non-slip rubber set on two knobs.
Further, outer wall is equipped with the arc groove that a circle matches with steel ball in the middle part of the insulation sleeve.
The utility model has an advantageous effect in that compared with prior art：
1, by cable to be placed in the first inner chamber of shell, in second inner chamber, cable and other electronic equipments can be led to
It crosses this device to connect, cable can be prevented because the unfavorable factors such as jerk fall off by the clamping action of clamping device,
Cause with other equipment open circuit or poor contact, be fastenedly connected by rotating threaded rod so that easy for assemble or unload, it is simple to operation；
2, shell is facilitated, equipped with being threadedly coupled, to be easily installed, half slot energy with other electric power by the way that the first external screw thread is arranged
Enough play the role of reinforcing clamping effect, cable is further prevented to fall off；The apparatus structure is simple, easy to connect, can clamp
Cable prevents it from falling off, and installing and dismounting is easy.
Description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality
Novel embodiment for explaining the utility model, does not constitute limitations of the present invention together.In the accompanying drawings：
Fig. 1 be the utility model proposes a kind of SMA radio frequency (RF) coaxial connectors structural schematic diagram；
Fig. 2 is the structure enlargement diagram of a-quadrant in Fig. 1.
In figure：1- shells, 2- first inner chambers, 3- clamping devices, 4- arc grooves, 5- insulation sleeves, 6- copper cores, 7- anti-skid chequers,
8- second inner chambers, the first external screw threads of 9-, 10- knobs, 11- threaded rods, the second external screw threads of 12-, 13- internal threads, 14- springs, 15-
Steel ball, 16- through-holes, 17- cables.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Referring to Fig.1-2, a kind of SMA radio frequency (RF) coaxial connectors, including shell 1, the interior left side of shell 1 are equipped with first inner chamber 2, the
It is communicated with second inner chamber 8 in the middle part of one inner cavity, 2 right end, cable 17 is equipped in first inner chamber 2, cable 17 includes insulation sleeve 5, insulation sleeve
Copper core 6 is equipped in 5,6 right end of copper core is through first inner chamber 2 and stretches in second inner chamber 8；Two above and below 2 middle part of first inner chamber
Side is equipped with through-hole 16, and two through-holes 16 are connected with first inner chamber 2 and are equipped with clamping device 3 in through-hole 16, can clamp
Cable 17, prevents it from falling off, and clamping device 3 includes threaded rod 11, and 11 outer wall of threaded rod is equipped with second external screw thread 12 of circle, leads to
16 inner wall of hole is equipped with the internal thread 13 that a circle matches with the second external screw thread 12, and 11 one end of threaded rod is fixedly connected with spring
14,14 one end of spring is fixedly connected with steel ball 15, and 15 one end of steel ball offsets with insulation sleeve 5, and 11 other end of threaded rod is equipped with knob
10, it is easy to operation.
The diameter of first inner chamber 2 is more than the diameter of second inner chamber 8, and 2 diameter of first inner chamber matches with 5 outer diameter of insulation sleeve,
8 diameter of second inner chamber matches with 6 outer diameter of copper core, and 1 outer right wall of shell is equipped with a circle external screw thread 9, is convenient for and other electric power
Equipment is connected, and 1 middle part outer wall of shell is equipped with a circle anti-skid chequer 7, is equipped with one layer of non-slip rubber set on two knobs 10, and two
It is equipped with one layer of non-slip rubber set on a knob 10, plays the role of anti-skidding.
When installation, first by 17 wire stripping of cable, make its exposed portion copper core 6, insulation sleeve 5 is inserted into the first of shell 1
In chamber 2, and copper core 6 is made to enter in second inner chamber 8, two knobs 10 of inward turning make its compressed spring 14 respectively, and then compress 14 steel
Ball 15 makes it move closer to insulation sleeve 5, until steel ball 15 is mutually blocked with insulation sleeve 5, unclamps knob 10, completes tightening operation,
Then it holds anti-skid chequer 7 to be threadedly coupled shell 1 by the second external screw thread 9 with other power equipments, makes cable 17 and its
His power equipment is connected conduction；When needing to dismantle cable 17, by two 10 outward turning extension springs 14 of knob so that steel ball 15
Be gradually distance from insulation sleeve 5, until leaving insulation sleeve 5 completely, pull the part that insulation sleeve 5 is exposed at 1 outside of shell, by cable 17 from
Extraction in shell 1, completes dismounting, and above-mentioned installation steps are repeated when installing again.
Place is not described in detail for the utility model, is the known technology of those skilled in the art.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of SMA radio frequency (RF) coaxial connectors, it is characterised in that：Including shell (1), left side is equipped with first in the shell (1)
Inner cavity (2), first inner chamber (2) the right end middle part are communicated with second inner chamber (8), cable are equipped in the first inner chamber (2)
(17), the cable (17) includes insulation sleeve (5), and copper core (6) is equipped in the insulation sleeve (5), and copper core (6) right end runs through
First inner chamber (2) simultaneously stretches in second inner chamber (8)；Both sides are equipped with through-hole (16) up and down in the middle part of the first inner chamber (2), and two
A through-hole (16) is connected with first inner chamber (2) and is equipped with clamping device (3), the clamping device in through-hole (16)
(3) include threaded rod (11), threaded rod (11) outer wall is equipped with second external screw thread of circle (12), through-hole (16) inner wall
It is equipped with the internal thread (13) that a circle matches with the second external screw thread (12), described threaded rod (11) one end is fixedly connected with spring
(14), described spring (14) one end is fixedly connected with steel ball (15), and described steel ball (15) one end offsets with insulation sleeve (5), described
Threaded rod (11) other end is equipped with knob (10).
2. a kind of SMA radio frequency (RF) coaxial connectors according to claim 1, it is characterised in that：The first inner chamber (2) it is straight
Diameter is more than the diameter of second inner chamber (8), and first inner chamber (2) diameter matches with insulation sleeve (5) outer diameter, the second inner chamber
(8) diameter matches with copper core (6) outer diameter.
3. a kind of SMA radio frequency (RF) coaxial connectors according to claim 1, it is characterised in that：Shell (1) outer right wall
It is equipped with a circle external screw thread (9).
4. a kind of SMA radio frequency (RF) coaxial connectors according to claim 1, it is characterised in that：Outer wall in the middle part of the shell (1)
It is equipped with a circle anti-skid chequer (7).
5. a kind of SMA radio frequency (RF) coaxial connectors according to claim 1, it is characterised in that：On two knobs (10)
It is equipped with one layer of non-slip rubber set.
6. a kind of SMA radio frequency (RF) coaxial connectors according to claim 1, it is characterised in that：It is outer in the middle part of the insulation sleeve (5)
Wall is equipped with the arc groove (4) that a circle matches with steel ball (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820153669.8U CN207819104U (en) | 2018-01-29 | 2018-01-29 | A kind of SMA radio frequency (RF) coaxial connectors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820153669.8U CN207819104U (en) | 2018-01-29 | 2018-01-29 | A kind of SMA radio frequency (RF) coaxial connectors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207819104U true CN207819104U (en) | 2018-09-04 |
Family
ID=63322134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820153669.8U Expired - Fee Related CN207819104U (en) | 2018-01-29 | 2018-01-29 | A kind of SMA radio frequency (RF) coaxial connectors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207819104U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111864463A (en) * | 2020-07-31 | 2020-10-30 | 徐群 | Cable joint for 5G communication base station |
-
2018
- 2018-01-29 CN CN201820153669.8U patent/CN207819104U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111864463A (en) * | 2020-07-31 | 2020-10-30 | 徐群 | Cable joint for 5G communication base station |
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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: 20180904 Termination date: 20200129 |