CN217134692U - Connector assembly for radio frequency cable - Google Patents
Connector assembly for radio frequency cable Download PDFInfo
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- CN217134692U CN217134692U CN202220769777.4U CN202220769777U CN217134692U CN 217134692 U CN217134692 U CN 217134692U CN 202220769777 U CN202220769777 U CN 202220769777U CN 217134692 U CN217134692 U CN 217134692U
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- radio frequency
- frequency cable
- connector assembly
- connector
- cable
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Abstract
The utility model discloses a connector assembly for radio frequency cable, connector assembly includes: the connector comprises a connector body, wherein a connecting hole is formed in the connector body; the connecting needle is fixedly connected with the end part of the radio frequency cable and detachably connected with the connector body; and the pressing sleeve is sleeved on the radio frequency cable and clamped in the connecting hole, and the radio frequency cable is clamped between the pressing sleeve and the connecting hole so as to be fixedly connected with the connector assembly. The connection mode of the braid of the radio frequency cable and the connector assembly is changed into press fit connection, the press fit position of the radio frequency cable is arranged in the front, the connection of the radio frequency cable and the connector assembly is realized by adopting a flanging press fit mode, the size of the connector assembly is favorably reduced, meanwhile, the radio frequency cable can be directly bent at the tail of the connector body, and therefore the radio frequency cable assembly produced by the radio frequency cable assembly can have smaller bending radius, and the radio frequency cable assembly can be applied to various narrow installation environments.
Description
Technical Field
The utility model relates to a connector assembly for radio frequency cable.
Background
The connector assembly for the radio frequency cable can be used for connection between circuit boards, connection between the circuit boards and radio frequency modules and connectors between the radio frequency modules, and is an indispensable electrical component for transmission of radio frequency signals among equipment, systems and modules.
Most connector assemblies for radio frequency cables currently employ assembly processes including attachable, crimp, and soldered connections. Relatively speaking, the mounting type structure can be repeatedly used for a plurality of times without special tools during mounting, but generally speaking, the structure is complicated, the number of parts is large, the cost is high, miniaturization is difficult to achieve, the occupied equipment space is large during use, and the mounting type structure is not suitable for application in high-density and narrow space.
The crimping formula structure is then simple, but the installation needs dedicated crimping tool, and in order to guarantee the reliability of subassembly, crimping position size has certain requirement, and it adopts the cover to establish the crimping cover on the cable outer conductor usually to make the cable outer conductor compress tightly in the end that stretches out of connector, such structure often can lead to its crimping position's size longer, uses to have certain defect to narrow and small space.
The welding structure is the most common and most extensive application mode of a connector assembly for radio frequency cables, and generally adopts a method of welding a braid layer of a cable with the connector, but the welding structure generates a tin brittleness phenomenon at a soldering tin position, a welded metal material part becomes brittle at the welding position of the connector and the cable, especially an outer conductor at the cable position, so that the reliability of the cable assembly is seriously influenced, and meanwhile, the bending performance of the cable assembly is influenced due to the hardening and brittleness of the welding position of the assembly, and the application of the cable assembly in some narrow spaces is influenced.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a connector subassembly for radio frequency cable in order to overcome among the prior art crimping portion oversize and lead to the less and unstable defect of its link connection of bend radius.
The utility model discloses an above-mentioned technical problem is solved through following technical scheme:
a connector assembly for a radio frequency cable, the connector assembly comprising: the connector comprises a connector body, wherein a connecting hole is formed in the connector body; the connecting needle is fixedly connected with the end part of the radio frequency cable and detachably connected with the connector body; and the pressing sleeve is sleeved on the radio frequency cable and clamped in the connecting hole, and the radio frequency cable is clamped between the pressing sleeve and the connecting hole so as to be fixedly connected with the connector assembly.
In this scheme, adopt above-mentioned structural style, realized being connected of stainless steel radio frequency cable steel weaving layer and connector assembly through the mode of pressing to join in marriage. The problem of the unable conventional soldering of stainless steel line is solved to with conventional press-fit connection position leading to connector body inside, change radial crimping into axial crimping, when guaranteeing to connect reliably, make the size of connector subassembly miniaturized. The problem of tin brittleness caused by tin soldering at the connecting part of the radio frequency cable and the connector assembly is avoided. The cable can be directly bent according to the minimum bending radius of the radio frequency cable at the tail part of the connector assembly, and the application of the radio frequency cable in a small space is facilitated.
Preferably, the outer cladding layer of the radio frequency cable is bent outwards from the end part of the pressing sleeve along the radial direction of the pressing sleeve, so that the end face of the pressing sleeve and the connecting hole clamp the radio frequency cable.
In this scheme, adopt above-mentioned structural style, because the pressure of radio frequency cable puts to be located the connector body, so when guaranteeing the connection reliability, do benefit to and reduce the pressure of radio frequency cable and connector assembly and press to join in marriage the size, the radio frequency cable can directly be crooked at the afterbody of connector body simultaneously to can realize the minimum bend radius of radio frequency cable, make it can be applied to all kinds of narrow and small installation environment.
Preferably, a fixing portion is arranged at one end, close to the connecting needle, of the circumference of the outer side of the pressing sleeve, the outer cladding layer of the radio frequency cable is folded towards the outer side of the pressing sleeve and attached to the fixing portion, and the fixing portion and the inner side of the connecting hole clamp the outer cladding layer.
In this scheme, adopt above-mentioned structural style, weaving layer in the outer cladding is along pressing the tip of cover to radially buckling the back, turns over along being on a parallel with the axis direction of pressing the cover once more and turns over, presss from both sides tightly the weaving layer from axial and radial, does benefit to and makes the connection between connector body and the radio frequency cable more firm.
Preferably, the outer covering layer is turned outwards and sleeved on the fixing portion, the pressing sleeve is inserted into the connector body, the fixing portion is in transition fit with the connecting hole, and the connecting boss is in interference fit with the connecting hole.
In this scheme, adopt above-mentioned structural style, the diameter of connecting the boss on the pressure cover is interference fit with the internal diameter of the connecting hole on the connector body to ensure the pressure cover after the pressure is joined in marriage and the reliable connection of connector body, fixed part and connecting hole transition fit, in order to play press from both sides tightly the weaving layer and not destroy.
Preferably, one end, far away from the connecting needle, of the outer ring of the pressing sleeve extends outwards along the radial direction of the pressing sleeve to form a connecting boss, and the connecting boss is clamped with the connecting hole.
Preferably, a plurality of clamping grooves are formed in the outer edge of the connecting boss in a surrounding mode, and the axis of each clamping groove is parallel to the axis of the radio frequency cable.
In this scheme, adopt above-mentioned structural style, the design in joint groove does benefit to the increase and presses the area of contact reinforcing connection stability of cover and connecting hole, has played the effect of direction when connecting the boss connecting hole of impressing simultaneously.
Preferably, the outer cladding layer comprises a braided layer, and the braided layer is bent towards the outer side of the pressing sleeve and abuts against the inner side of the connecting hole.
In this scheme, adopt above-mentioned structural style, because the connected mode of the weaving layer of radio frequency cable and connector assembly changes into the connection of press-fit type, adopt the mode of turn-ups press-fit to realize being connected of radio frequency cable and connector assembly, do benefit to the press-fit size that reduces radio frequency cable and connector assembly to make the radio frequency cable can be at the afterbody direct bending of connector body, thereby can realize the minimum bend radius of radio frequency cable.
Preferably, the connector assembly further includes a gasket, the gasket is sleeved on the inner conductor of the radio frequency cable, one side of the gasket abuts against the braid at the end of the radio frequency cable, and the other side of the gasket is connected with the connecting pin.
In this scheme, adopt above-mentioned structural style, do benefit to the state stability that ensures the turn-ups position of radio frequency cable's weaving layer to prevent that the dislocation from appearing when the cover is impressed the connecting hole in the pressure, arouse that the finished product performance is bad.
Preferably, the gasket is circumferentially provided with a plurality of through holes parallel to the axis of the gasket.
In this scheme, adopt above-mentioned structural style, the through-hole can reduce the dielectric constant of gasket, and then has reduced the size of connector body and gasket join in marriage the department cavity, realizes the miniaturization of connector subassembly.
Preferably, one end of the outer ring of the pressing sleeve, which is far away from the connecting needle, is bent outwards to form a pressing sleeve cover.
In this scheme, adopt above-mentioned structural style, the design of pressing the cover provides the pressure face for connector assembly pressfitting time, provides convenience for connector assembly's assembly.
On the basis of the common knowledge in the field, the above preferred conditions can be combined at will to obtain the preferred embodiments of the present invention.
The utility model discloses an actively advance the effect and lie in:
the stainless steel woven layer of the radio frequency cable is connected with the connector assembly in a press-fit mode. The problem of the unable conventional soldering of stainless steel line is solved to with conventional press-fit connection position leading to connector body inside, change radial crimping into axial crimping, when guaranteeing to connect reliably, make the size of connector subassembly miniaturized. Meanwhile, as the conventional soldering connection is not adopted, the problem of tin brittleness caused by soldering at the connecting part of the radio frequency cable and the connector assembly is avoided. The tail part of the connector assembly can be directly bent according to the minimum bending radius of the radio frequency cable, so that the radio frequency cable can be assembled in a small space.
Drawings
Fig. 1 is a schematic structural diagram (a) of a connector assembly according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram (ii) of the connector assembly according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram (iii) of the connector assembly according to the embodiment of the present invention.
Fig. 4 is a schematic structural diagram of the connector assembly according to the embodiment of the present invention, in which the connector body is removed.
Fig. 5 is a schematic structural view of the press sleeve cover according to the embodiment of the present invention.
Description of reference numerals:
Connecting hole 11
Connecting needle 2
Fixing part 31
Clamping groove 33
Press sleeve cover 34
Through hole 41
Braided layer 521
Detailed Description
The present invention will be more clearly and completely described below by way of examples and with reference to the accompanying drawings, but the present invention is not limited thereto.
As shown in fig. 1 to 5, an embodiment of the present invention provides a connector assembly for a radio frequency cable 5, the connector assembly including: the connector comprises a connector body 1, wherein a connecting hole 11 is formed in the connector body 1; the connecting needle 2 is fixedly connected with the end part of the radio frequency cable 5 and detachably connected with the connector body 1; and the pressing sleeve 3 is sleeved on the radio frequency cable 5 and clamped in the connecting hole 11, and the radio frequency cable 5 is clamped between the pressing sleeve 3 and the connecting hole 11 so as to fixedly connect the radio frequency cable 5 with the connector assembly.
Adopt above-mentioned structural style, press the coaxial cover of cover 3 to establish on radio frequency cable 5, peel off the protective sheath 523 of radio frequency cable 5 according to the size, make the terminal surface that presses cover 3 to be close to connector body 1 and the department parallel and level of skinning of protective sheath 523, utilize the instrument to turn over along the department of skinning of protective sheath 523 the weaving layer 521 of radio frequency cable 5 outwards, and get rid of electrolyte layer 522, overlap gasket 4 on inner conductor 51, and with connecting needle 2 top tight welding on inner conductor 51, utilize the instrument to press cover 3 to impress in connecting hole 11 on connector body 1 in order to accomplish the installation of connector component, its pull-off power of connector component after the installation is greater than 100N, can freely buckle in connector body 1 root position, can be applied to the connection in all kinds of complicated narrow and small spaces.
The design scheme realizes the connection of the stainless steel braid layer 521 of the radio frequency cable 5 and the connector component in a press fit mode. The problem of the unable conventional soldering of stainless steel line is solved to with conventional press-fit connection position leading to connector body 1 inside, change radial crimping into axial crimping, when guaranteeing to connect reliably, make the size of connector subassembly miniaturized. Meanwhile, as the conventional soldering connection is not adopted, the problem of tin brittleness caused by soldering at the connecting part of the radio frequency cable 5 and the connector assembly is avoided. The tail part of the connector assembly can be directly bent according to the minimum bending radius of the radio frequency cable 5, so that the radio frequency cable 5 can be assembled in a small space.
In one embodiment, the outer coating 52 of the radio frequency cable 5 is bent outward from the end of the press sleeve 3 in the radial direction of the press sleeve 3 so that the end face of the press sleeve 3 and the connection hole 11 clamp the radio frequency cable 5.
By adopting the structure, the pressing sleeve 3 is sleeved on the radio frequency cable 5, the braided layer 521 in the outer cladding layer 52 is bent outwards along the end part of the pressing sleeve 3, then the pressing sleeve 3 and the braided layer 521 are pressed into the connecting hole 11 on the connector body 1 together, and after the pressing sleeve 3 is clamped in the connecting hole 11, the braided layer 521 of the radio frequency cable 5 is clamped and fixed by the end surface of the pressing sleeve 3 and the bottom surface of the connecting hole 11. Because the press-fit position of the radio frequency cable 5 is positioned in the connector body 1, the connection reliability is ensured, the press-fit size of the radio frequency cable 5 and the connector component is reduced, and meanwhile, the radio frequency cable 5 can be directly bent at the tail part of the connector body 1, so that the minimum bending radius of the radio frequency cable 5 can be realized, and the connector can be applied to various narrow installation environments.
In another embodiment, as shown in fig. 1 to 5, a fixing portion 31 is provided at one end of the outer circumference of the pressing sleeve 3 near the connecting pin 2, the outer cladding 52 of the radio frequency cable 5 is folded toward the outer side of the pressing sleeve 3 and attached to the fixing portion 31, and the fixing portion 31 and the inner side of the connecting hole 11 clamp the outer cladding 52.
The braided layer 521 in the outer cladding 52 is bent radially along the end of the pressing sleeve 3, and then is folded along the axial direction parallel to the pressing sleeve 3 again, so that the braided layer 521 of the radio frequency cable 5 is attached to the outer side of the fixing part 31, after the pressing sleeve 3 is pressed into the connecting hole 11, the end surface of the pressing sleeve 3 and the bottom surface of the connecting hole 11 have an axial clamping effect on the braided layer 521, and meanwhile, a radial clamping effect is provided on the braided layer 521 between the outer side of the fixing part 31 on the pressing sleeve 3 and the inner side of the connecting hole 11. The design clamps the braid 521 from both the axial direction and the radial direction, which is beneficial to ensuring that the connection between the connector body 1 and the radio frequency cable 5 is firmer.
As a preferred embodiment, as shown in fig. 1 to 5, the outer covering layer 52 is folded outwards and sleeved on the fixing portion 31, the pressing sleeve 3 is inserted into the connector body 1, the fixing portion 31 is in transition fit with the connecting hole 11, and the connecting boss 32 is in interference fit with the connecting hole 11.
The pressing sleeve 3 is made of stainless steel, the size of an inner hole of the pressing sleeve 3 is slightly larger than the outer diameter of the outer cladding layer 52 of the radio frequency cable 5, and meanwhile, the diameter of the connecting boss 32 on the pressing sleeve 3 is in interference fit with the inner diameter of the connecting hole 11 on the connector body 1, so that the pressing sleeve 3 and the connector body 1 after press fit are reliably connected. The fixing portion 31 is in transition fit with the connecting hole 11 to clamp the braid 521 without being damaged, and a chamfer is provided at the front end of the connecting hole 11 on the connector body 1 to guide the press-fit process.
As a preferred embodiment, as shown in fig. 1 to 5, one end of the outer ring of the pressing sleeve 3 away from the connecting needle 2 extends outward along the radial direction of the pressing sleeve 3 to form a connecting boss 32, and the connecting boss 32 is clamped with the connecting hole 11. And a plurality of clamping grooves 33 are arranged on the outer edge of the connecting boss 32 in a surrounding manner, and the axial lines of the clamping grooves 33 are parallel to the axial line of the radio frequency cable 5.
The outside of connecting boss 32 on pressing cover 3 is equipped with a plurality of joint grooves 33, when pressing cover 3 to impress in connecting hole 11, connecting boss 32 on pressing cover 3 and connecting hole 11 looks joint on connector body 1, the design of joint groove 33 does benefit to the increase and presses cover 3 and connecting hole 11's area of contact reinforcing connection stability, joint groove 33 establishes to be parallel with pressing cover 3 axis simultaneously, has played the effect of direction when connecting boss 32 to impress in connecting hole 11.
As a preferred embodiment, as shown in fig. 1 to 5, the outer cladding 52 includes a braided layer 521, and the braided layer 521 is bent toward the outside of the pressing sleeve 3 and abuts against the inside of the connecting hole 11.
The utility model provides a radio frequency cable 5 comprises inner conductor 51, electrolyte layer 522, weaving layer 521, protective sheath 523 isotructure, and wherein weaving layer 521 adopts the stainless steel wire to weave the structure, can promote radio frequency cable 5's stretching resistance to satisfy radio frequency cable 5's mechanical properties requirement. Meanwhile, the braid 521 is bent towards the outer side of the pressing sleeve 3 and abutted against the inner side of the connecting hole 11 so that the radio frequency cable 5 is connected with the connector assembly, the connection mode of the braid 521 of the radio frequency cable 5 and the connector assembly is changed into press-fit connection, the connection of the radio frequency cable 5 and the connector assembly is realized by adopting a flanging press-fit mode, the press-fit size of the radio frequency cable 5 and the connector assembly is favorably reduced, the radio frequency cable 5 can be directly bent at the tail of the connector body 1, and the minimum bending radius of the radio frequency cable 5 can be realized.
As a preferred embodiment, as shown in fig. 1 to 5, the connector assembly further includes a gasket 4, the gasket 4 is sleeved on the inner conductor 51 of the radio frequency cable 5, one side of the gasket 4 abuts against the braid 521 at the end of the radio frequency cable 5, and the other side of the gasket 4 is connected to the connecting pin 2.
As a preferred embodiment, as shown in fig. 1 to 5, the gasket 4 is provided with a plurality of through holes 41 in the circumferential direction parallel to the axis thereof.
4-6 through holes 41 with the outer diameter of 0.3-0.5 mm are uniformly distributed on the gasket 4, and the arrangement of the through holes 41 can reduce the dielectric constant of the gasket 4, so that the size of a cavity at the matching joint of the connector body 1 and the gasket 4 is reduced, and the miniaturization of the connector assembly is realized.
As a preferred embodiment, as shown in fig. 1 to 5, an end of the outer ring of the pressing sleeve 3 away from the connecting needle 2 is bent outward to form a pressing sleeve cover 34.
Adopt above-mentioned structural style, press 3 connector body 1 backs of impressing of cover, the one end that presses 3 cover to be located the connecting hole 11 outsides outwards buckles and forms pressure cover lid 34, and operating personnel can be to pressing one side increase pressure of keeping away from connecting hole 11 on the cover lid 34 when impressing the connecting hole 11 with pressing cover lid 34, and the design of pressing cover lid 34 provides the pressure face for connector assembly pressure time, provides convenience for connector assembly's assembly.
Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that this is by way of example only and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (10)
1. A connector assembly for a radio frequency cable, the connector assembly comprising:
the connector comprises a connector body, wherein a connecting hole is formed in the connector body;
the connecting needle is fixedly connected with the end part of the radio frequency cable and detachably connected with the connector body;
and the pressing sleeve is sleeved on the radio frequency cable and clamped in the connecting hole, and the radio frequency cable is clamped between the pressing sleeve and the connecting hole so as to be fixedly connected with the connector assembly.
2. The connector assembly for radio frequency cables of claim 1, wherein the outer covering of the radio frequency cable is bent outward in a radial direction of the press sleeve from an end portion of the press sleeve so that an end face of the press sleeve and the attachment hole clamp the radio frequency cable.
3. The connector assembly for rf cable according to claim 1, wherein a fixing portion is provided at an end of the outer circumference of the pressing sleeve adjacent to the connection pin, the outer covering layer of the rf cable is folded toward the outer side of the pressing sleeve and attached to the fixing portion, and the fixing portion and the inner side of the connection hole clamp the outer covering layer.
4. The connector assembly for rf cables as claimed in claim 3, wherein an end of the outer ring of the pressing sleeve away from the connecting pin extends outward in a radial direction of the pressing sleeve to form a connecting boss, and the connecting boss is engaged with the connecting hole.
5. The connector assembly for rf cables as claimed in claim 4, wherein the outer covering layer is folded outwardly and sleeved on the fixing portion, the pressing sleeve is inserted into the connector body, the fixing portion is in transition fit with the connection hole, and the connection boss is in interference fit with the connection hole.
6. The connector assembly for radio frequency cables as claimed in claim 4, wherein a plurality of catching grooves are circumferentially formed on the outer edge of the connecting boss, and the axes of the catching grooves are parallel to the axis of the radio frequency cable.
7. The connector assembly for radio frequency cables of claim 3, wherein the outer covering includes a woven layer that is bent toward an outside of the press sleeve and abuts an inside of the connection hole.
8. The connector assembly for rf cables of claim 7, further comprising a gasket, wherein the gasket is disposed on the inner conductor of the rf cable, one side of the gasket abuts against the braid of the end of the rf cable, and the other side of the gasket is connected to the connecting pin.
9. The connector assembly for rf cables of claim 8, wherein the spacer has a plurality of through holes formed in a circumferential direction thereof parallel to the axis thereof.
10. The connector assembly for radio frequency cables of claim 1, wherein an end of the outer ring of the press sleeve remote from the connecting pin is bent outwardly to form a press sleeve cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220769777.4U CN217134692U (en) | 2022-04-01 | 2022-04-01 | Connector assembly for radio frequency cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220769777.4U CN217134692U (en) | 2022-04-01 | 2022-04-01 | Connector assembly for radio frequency cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217134692U true CN217134692U (en) | 2022-08-05 |
Family
ID=82648077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220769777.4U Active CN217134692U (en) | 2022-04-01 | 2022-04-01 | Connector assembly for radio frequency cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217134692U (en) |
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2022
- 2022-04-01 CN CN202220769777.4U patent/CN217134692U/en active Active
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