CN212934916U - Novel bunched radio frequency connector - Google Patents

Abstract

The utility model relates to a novel radio frequency connector tied in a bundle, including socket and plug, female head of fixedly connected with standard on the socket, it has the public head of auto-lock to embed on the terminal surface of plug, the public head of auto-lock is pegged graft with the female head of standard and is cooperated, the public head of auto-lock includes outer conductor and insulating medium, the outer conductor is hollow cylinder type structure, insulating medium is cylinder type elastic component and laminates in the outer conductor inner wall, the through-hole has been seted up along its central axis direction to insulating medium, the inner wall fixedly connected with inner conductor jack of through-hole, the female head of standard includes the sleeve that cup joints with the outer conductor, along central axis direction fixedly connected with inner conductor contact pin in the sleeve, the inner conductor contact pin. The connector has the advantages of large contact area, firm connection and suitability for two radio frequency transmission modes of time division duplex and frequency division duplex.

Description

Novel bunched radio frequency connector

Technical Field

The application relates to the technical field of communication, in particular to a novel bundling radio frequency connector.

Background

The rf coaxial connector is generally considered to be a component mounted on a cable or an instrument, and serves as a bridge for supporting electrical connection or separation of transmission lines, has advantages of a wide operating frequency band, convenience in connection, and the like, and is widely used in microwave communication engineering.

With the rapid development of mobile communication industry, the application requirements of the radio frequency connector are more and more extensive. When the common radio frequency connector is installed or maintained, a plurality of threaded connection structures need to be screwed or unscrewed, and the operation steps are complicated.

At present, a cluster radio frequency connector comprises a standard female head and a self-locking male head, the standard female head and the self-locking male head are tightly matched to realize self-locking, a threaded structure does not need to be screwed repeatedly, the mounting steps of the radio frequency connector are simplified, and the working efficiency of technicians is improved.

In view of the above-mentioned related art, the inventor believes that, in the connector, the inner conductor of the connecting line is connected by pressing the cross section of the inner conductor to be tightly attached, so when the connector is subjected to an external force, the pressed part between the two cross sections of the inner conductor is easy to loosen, the impedance of the inner conductor is changed, the transmission characteristic of the inner conductor is affected, and the transmission of signals is affected.

SUMMERY OF THE UTILITY MODEL

In order to solve when the radio frequency connector is pegged graft, the inner conductor that the top was tightly laminated is easy not hard up, influences information transmission's problem, this application provides a novel radio frequency connector tied in a bundle.

The above object of the present invention is achieved by the following technical solutions: the utility model provides a novel radio frequency connector tied in a bundle, includes socket and plug, female head of fixedly connected with standard on the socket, it has the public head of auto-lock to embed on the terminal surface of plug, the public head of auto-lock is pegged graft with the female head of standard and is cooperated, the public head of auto-lock includes outer conductor and insulating medium, the outer conductor is hollow cylinder type structure, insulating medium is cylinder type elastic component and laminates in the outer conductor inner wall, the through-hole has been seted up along its central axis direction to insulating medium, the inner wall fixedly connected with inner conductor jack of through-hole, the female head of standard includes the sleeve that cup joints with the outer conductor, follow central axis direction fixedly connected with inner conductor contact pin in the sleeve, the inner conductor contact pin is pegged graft with the laminating of inner.

Through adopting above-mentioned technical scheme, the inner conductor contact pin in the female head of standard is through pegging graft the cooperation in the inner conductor jack of the public head of auto-lock, but not the terminal surface top is tightly contradicted, consequently not hard up can not appear when the atress, the contact surface of the inner conductor junction at connecting wire both ends extends the inner wall of whole inner conductor jack and the periphery wall of inner conductor contact pin simultaneously, be far greater than the cross-sectional area of both ends inner conductor, make the both ends of connector have better transmission characteristic, make this radio frequency connector can be applicable to time division duplex mode transmission and frequency division duplex mode transmission simultaneously.

Preferably, the socket is fixedly connected with a fool-proof protrusion, and the plug is provided with a groove for mutually matching with the fool-proof protrusion to position the socket and the plug in the plugging direction.

Through adopting above-mentioned technical scheme, prevent slow-witted arch and recess and fix the socket with the plug direction of inserting for when connecting as the female head of multiunit standard and auto-lock public head, accomplish the one-to-one and connect, prevent that the line parameter is different to lead to connecting to make mistakes.

Preferably, the stopper that the central axis direction that fixedly connected with a plurality of set up along the plug on the periphery wall of plug, the shell of the outside cylinder type of socket is established to fixedly connected with cover on the socket, set up the spacing groove that a plurality of supplied the stopper to slide in on the internal perisporium of shell.

Through adopting above-mentioned technical scheme, plug and socket take place the skew dislocation along the position chucking of prescribing a limit to in advance when having avoided direct grafting, cause the comparatively soft inner conductor of material to damage.

Preferably fixedly connected with annular boss on the periphery wall of plug, the cover is equipped with the swivel nut on the plug, the port inner wall fixedly connected with internal diameter and the same bead of plug diameter of the one end that the socket was kept away from to the swivel nut, the diameter of shell is the same with the internal diameter of swivel nut, set up on the periphery wall of shell with the internal thread matched with external screw thread on the internal perisporium of swivel nut, the shell passes through internal thread and external screw thread threaded connection with the swivel nut.

Through adopting above-mentioned technical scheme, the swivel nut of cover on plug and the socket has consolidated the relation of connection of socket and plug, and simultaneously, the swivel nut is connected with plug and the three cooperation of socket mutually, and inside formation is sealed is used for the female head of holding standard and the public head's of auto-lock cavity for the junction is waterproof dustproof, has prolonged the life of radio frequency connector, and the boss is spacing to the swivel nut simultaneously, prevents that the swivel nut from sliding and droing and causing inconvenience.

Preferably, the external thread has an external diameter greater than or equal to 32 mm.

By adopting the technical scheme, the thread insert, the socket and the seat body form a larger accommodating space inside, so that the connector can accommodate transmission lines with more channels, and the application range and the efficiency of the connector are improved.

Preferably, a flange is sleeved on the peripheral wall of the socket, and the cross-sectional area of the flange is larger than that of the threaded sleeve.

Through adopting above-mentioned technical scheme, the flange that the socket overcoat was established makes the structure of socket obtain further protection and reinforcement, provides fixable's mechanism when needs are fixed the socket simultaneously.

Preferably, the standard female head and the self-locking male head which are connected in a matched mode are fixedly connected with a plurality of groups of sockets and plugs.

Through adopting the technical scheme, the utility model discloses a radio frequency connector can the simultaneous transmission multichannel signal, and mixed and disorderly wiring appears when avoiding using, and the skin effect can be weakened in the cable transmission of multichannel simultaneously, improves the transmission efficiency of signal.

Preferably, the standard female head and the self-locking male head which are connected in a matched mode are uniformly distributed on the plug and the socket.

By adopting the technical scheme, a larger distance is obtained between the connecting parts of the standard female heads and the self-locking male heads, so that the electromagnetic interference between different channels is reduced, and the radio frequency connector has better transmission characteristics.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the contact mode of the inner conductors in the female head and the male head is changed from abutting pressing into inserting connection, and the contact surfaces of the inner conductors are increased from two cross sections to the inner wall of the jack and the outer wall of the contact pin, so that the connection part is not easy to loose or have gaps under the influence of external force, and the transmission is not influenced; meanwhile, the connector has better transmission characteristics due to larger contact area, so that the radio frequency connector can simultaneously meet the use requirements of time division duplex and frequency division duplex transmission modes;

2. when the standard female head is connected with the self-locking male head, an outer conductor cylinder formed by the lobe-shaped metal sheets is expanded outwards in an inclined manner, and outward tension is applied to the sleeve, so that the connector has a self-locking function during connection, the connection is reinforced, meanwhile, the connector is convenient for technicians to disassemble, and the quick-insertion function of the connector is realized;

3. the plug-in direction of the socket and the plug is fixed through the mutual matching of the foolproof bulges and the grooves, so that the female heads and the male heads are in one-to-one correspondence, and the accuracy of a transmission line is ensured;

4. the limiting block is inserted in the limiting groove in a sliding mode, when the connector is inserted, the inserting position is pre-limited, the position is adjusted again when the connector is prevented from being inserted, the inner conductor made of soft materials is bent or damaged under pressure, and the connector is safer.

5. The cover is established the swivel nut in outside and is made the connection of connector more stable, and because the internal diameter of swivel nut is greater than or is equal to 32mm, provides great waterproof dirt-proof space for inside for the female head of adjacent multichannel is great with public first cooperation department distance, has reduced electromagnetic interference.

6. The flange fixed to the outside further reinforces the structure of the connector while satisfying the fixing requirement.

Drawings

Fig. 1 is a schematic structural diagram of a novel bundled rf connector of the present application;

FIG. 2 is a schematic diagram of a specific structure of the plug of the present application;

FIG. 3 is an exploded view of a self-locking male in the plug of the present application;

FIG. 4 is a schematic diagram of a specific structure of the socket of the present application;

fig. 5 is a partial cross-sectional view of the present application with the threaded insert engaged with the receptacle plug.

Description of reference numerals: 1. a socket; 2. a plug; 3. self-locking male heads; 31. an outer conductor; 311. a root portion; 312. a leaf portion; 32. an insulating medium; 33. a through hole; 34. an inner conductor jack; 4. a standard female head; 41. a sleeve; 42. an inner conductor pin; 5. a fool-proof projection; 6. a groove; 7. a limiting block; 8. a housing; 9. a limiting groove; 10. a boss; 101. an external thread; 11. a threaded sleeve; 111. an internal thread; 112. a rib; 12. and (4) a flange.

Detailed Description

The present invention will be described in further detail with reference to fig. 1 to 5.

The embodiment of the application discloses novel radio frequency connector tied in a bundle. Referring to fig. 1, including socket 1 and plug 2, fixedly connected with shell 8 on the outer wall of socket 1, still fixedly connected with flange 12 on the outer wall of socket 1, the outside cover of plug 2 is equipped with swivel nut 11, and the terminal surface of plug 2 is embedded to have four auto-lock male heads 3 of fixed connection on plug 2.

Referring to fig. 3 and 4, the self-locking male connector 3 includes a cylindrical outer conductor 31, an insulating medium 32 and an inner conductor jack 34 which is a hollow circular tube, a through hole 33 which penetrates through the insulating medium 32 is formed in the center of the insulating medium 32, the inner conductor jack 34 is fixedly connected in the through hole 33 and attached to the inner wall of the through hole 33, metal lobes which are circumferentially distributed are fixed at one end of the inner conductor jack 34 which is far away from the plug 2, and the port of the inner conductor jack 34 is flush with the through hole 33. The socket comprises a socket body 1, and is characterized in that four standard female heads 4 are fixedly connected to the end face of the socket body 1, each standard female head 4 is composed of a hollow cylindrical sleeve 41 and an inner conductor contact pin 42, and the positions of the standard female heads 4 are matched with self-locking male heads 3 in a one-to-one correspondence mode.

Referring to fig. 2 and 4, when the radio frequency connector is connected, the standard female connector 4 and the self-locking male connector 3 are plugged in one-to-one correspondence, the sleeve 41 is sleeved outside the outer conductor 31, the inner conductor pin 42 is plugged in the inner conductor jack 34, through the plugging mode, when the connector is subjected to an external force, the connection between the inner conductor pin 42 and the inner conductor jack 34 is used as a first protection, the looseness of the connection position of the inner conductor is prevented, the contact surfaces of the two sections of inner conductors are the outer peripheral wall of the inner conductor pin 42 and the inner peripheral wall of the inner conductor jack 34 through the increase of the cross section, so that the connector has more stable transmission characteristics, and the connector can be simultaneously suitable for data transmission in time division duplex and frequency division duplex modes.

Referring to fig. 3, the outer conductor 31 includes a root 311 for fixing near one end of the plug 2, and a leaf 312 with elasticity far away from one end of the plug 2, the leaf 312 is composed of 6 leaf-shaped metal sheets, a protrusion is provided on an outer side wall of the leaf 312 far away from one end of the root 311, when the self-locking male head 3 is connected with the standard female head 4, due to the protrusion on the outer side wall of the leaf 312, the leaf 312 exerts radial tension with a sleeve 41 sleeved outside the outer conductor 31, the self-locking male head 3 is connected with the standard female head 4 in an interference fit manner, the self-locking male head 3 can be fixed on the standard female head 4, the function of quick installation and fixation is realized, simultaneously, the connection strength is reinforced, and a second protection is provided for the connection of the inner conductor contact pin 42 and the inner conductor jack 34.

Refer to fig. 2 and fig. 4, three stopper 7 of fixedly connected with on socket 1's the periphery wall, three stopper 7 all sets up along the direction of the central axis, the cover is equipped with shell 8 on socket 1, three spacing grooves 9 that correspond with the stopper position are seted up along the axis direction on shell 8's the internal perisporium, when plug 2 and socket 1 peg graft, stopper 7 imbeds during spacing groove 9 slides, and can only follow the direction that spacing groove 9 was injectd and slide, the position of planting has been injectd in advance before socket 1 and plug 2's the end face contact, avoid connecting the dislocation, lead to the unable intercommunication of signal, make things convenient for technical staff to recognize the position of planting, realize quick installation.

Referring to fig. 2 and 4, a groove 6 is formed in the end face of the plug 2, a fool-proof protrusion 5 is fixedly connected to the end face of the socket 1, when the plug 2 and the socket 1 are plugged, the fool-proof protrusion 5 is aligned to the groove 6, and in the process that the end faces of the plug 2 and the socket 1 are close to each other, the plugging direction of the socket 1 and the plug 2 is limited for the second time.

Referring to fig. 4, a flange 12 is fixedly connected to an outer wall of the socket 1, and an outer diameter of the flange 12 is larger than an outer diameter of the socket 1, so that structural strength of the socket 1 is increased, and when the socket is collided, the flange 12 is in contact with a collision object in advance, and a structure of the connector is further protected.

Referring to fig. 5, an annular boss 10 is fixedly connected to the outer peripheral wall of the plug 2, the plug 2 is further sleeved with a threaded sleeve 11, an internal thread 111 is formed in the inner peripheral wall of the threaded sleeve 11, an annular rib 112 is fixedly connected to the inner wall of a port of one end, away from the socket 1, of the threaded sleeve 11, the inner diameter of the rib 112 is the same as that of the plug 2, the port, away from the socket 1, of the threaded sleeve 11 is tightly matched with the outer peripheral wall of the plug 2 under the effect of the rib 112, an external thread 101 is formed in the shell of the socket 1, and the external thread 101 in the shell is in threaded connection with the. The swivel nut 11 is fixed socket 1 and plug 2, has increased joint strength, and the three forms the junction that the space sealed relatively is used for holding socket 1 and plug 2 inside simultaneously for the connector possesses certain waterproof dustproof function.

Referring to fig. 2, the inner diameter of the screw sleeve 11 is greater than or equal to 32mm, and the connector has a larger inner accommodating space capable of accommodating transmission lines of more channels.

The implementation principle of the embodiment of the application is as follows: the socket 1 and the plug 2 are respectively connected on the ports of two coaxial lines 13, when the two coaxial lines 13 are required to be connected, the socket 1 is aligned with the plug 2, at the moment, the position of the foolproof bulge 5 on the socket 1 is aligned with the position of the groove 6 on the plug 2, meanwhile, the limit block 7 on the outer wall of the plug 2 is embedded into the limit groove 9 on the shell 8 of the socket 1, at the moment, the limit block 7 slides in the limit groove 9 in the connection process of the socket 1 and the plug 2 to be inserted in a pre-fixed position, after the socket 1 is abutted with the plug 2, the standard female head 4 on the socket 1 is contacted with the self-locking male head 3 on the plug, the sleeve 41 of the standard female head 4 is sleeved outside the outer conductor 31, the inner conductor pin 42 is inserted into the inner conductor jack 34, because the bulge is arranged on the outer side wall of the blade 312, the blade 312 exerts radial tension on the inner wall of the sleeve, self-locking connection is realized.

At this time, the inner conductor pin 42 is inserted into the inner conductor jack 34, and the outer wall of the pin is fully contacted with the inner wall of the jack, so that the connector has good transmission characteristics and the contact surface is not easily affected when being subjected to external force.

After the connection is completed, the screw sleeve 11 is screwed, the external thread 101 on the shell 8 of the socket 1 is meshed with the internal thread 111 on the inner wall of the screw sleeve 11, and the socket 1 and the plug 2 are locked to complete the connection. The end face of the connection between the socket 1 and the plug 2 is sealed by the screw sleeve 11 and the shell 8, so that the connector has waterproof and dustproof functions.

When needing to be dismantled, on screwing back plug 2 with swivel nut 11, because the structure of not locking is between standard female 4 and the public head 3 of auto-lock, can extract socket 1 with strength, accomplish the dismantlement. The operation steps of technicians are simplified, and the working efficiency is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a novel radio frequency connector tied in a bundle, includes socket (1) and plug (2), female head of fixedly connected with standard (4) on socket (1), it has public head of auto-lock (3) to embed on the terminal surface of plug (2), the cooperation of pegging graft of public head of auto-lock (3) and female head of standard (4), its characterized in that: public head of auto-lock (3) includes outer conductor (31) and insulating medium (32), outer conductor (31) are hollow cylinder type structure, insulating medium (32) are cylinder type elastic component and laminate in outer conductor (31) inner wall, through-hole (33) have been seted up along its central axis direction in insulating medium (32), the inner wall fixedly connected with inner conductor jack (34) of through-hole (33), female head (4) of standard include sleeve (41) that cup joint with outer conductor (31), along central axis direction fixedly connected with inner conductor contact pin (42) in sleeve (41), inner conductor contact pin (42) are pegged graft with inner conductor jack (34) laminating.

2. The novel bundled radio frequency connector as claimed in claim 1, wherein; fixedly connected with prevents slow-witted arch (5) on socket (1), offer on plug (2) and be used for mutually supporting with prevent slow-witted arch (5) and fix a position socket (1) and plug (2) recess (6) of direction of inserting.

3. The novel bundled radio frequency connector as claimed in claim 1, wherein: stopper (7) that fixedly connected with a plurality of set up along the central axis direction of plug on the periphery wall of plug (2), fixedly connected with cover is established at shell (8) of the outside cylinder type of socket (1) on socket (1), set up spacing groove (9) that a plurality of supplied stopper (7) to slide in on the internal perisporium of shell (8).

4. The novel bundled radio frequency connector as claimed in claim 3, wherein: fixedly connected with annular boss (10) on the periphery wall of plug (2), the cover is equipped with swivel nut (11) on plug (2), the port inner wall fixedly connected with internal diameter and the same bead (112) of plug (2) diameter of the one end of socket (1) are kept away from in swivel nut (11), the diameter of shell (8) is the same with the internal diameter of swivel nut (11), offer on the periphery wall of shell (8) and be used for internal thread (111) matched with external screw thread (101) on the internal perisporium with swivel nut (11), shell (8) and swivel nut (11) are through internal thread (111) and external screw thread (101) threaded connection.

5. The novel bundled radio frequency connector as claimed in claim 4, wherein: the outer diameter of the external thread (101) is greater than or equal to 32 mm.

6. The novel bundled radio frequency connector as claimed in claim 1, wherein: the peripheral wall of socket (1) is gone up the cover and is equipped with flange (12), the cross-sectional area of flange (12) is greater than the cross-sectional area of swivel nut (11).

7. The novel bundled radio frequency connector as claimed in claim 1, wherein: and the standard female head (4) and the self-locking male head (3) which are connected in a matched mode are fixedly connected with a plurality of groups on the socket (1) and the plug (2).

8. The novel bundled radio frequency connector as claimed in claim 7, wherein; the standard female head (4) and the self-locking male head (3) which are connected in a matched mode are uniformly distributed on the plug (2) and the socket (1).

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