CN218827989U - Novel structure radio frequency coaxial connector - Google Patents

Abstract

The utility model discloses a new-type structure radio frequency coaxial connector of a section, which comprises an outer shell, the SMA swivel nut has been cup jointed on the shell, be equipped with the snap ring between SMA swivel nut and the shell, be equipped with the insulator in the shell, be connected with the contact pin on the insulator, be equipped with the welding pipe on the shell, be equipped with little insulator on the insulator, and the one end of welding the pipe contacts with little insulator, the shell is inside the SMA swivel nut, all be equipped with the ring channel on shell and the SMA swivel nut, and the snap ring is in the ring channel, two parts of snap ring are in respectively in shell and SMA swivel nut, be equipped with first recess in the shell. The utility model discloses the crimping structure of welding pipe with the shell pushes the shell in behind the welding pipe with cable shielding layer tin soldering and uses crimping pincers to compress tightly, and this structure has increased the reliability of product to the device adopts foretell mounting means and method to lead to the assembly efficiency of device than higher, thereby has made things convenient for staff's assembly.

Description

Novel structure radio frequency coaxial connector

Technical Field

The utility model relates to a microwave communication components and parts technical field especially relates to a new-type structure radio frequency coaxial connector of a section.

Background

The radio frequency coaxial connector is a component which is attached to a cable or mounted on an instrument, is used as an element for electrically connecting or separating a transmission line, and belongs to a mechatronic product.

With the introduction of the ultra-thin coaxial cable in the market, the connectors (crimping type connector, mounting type connector, welding type connector) of the conventional adaptive cable in the original industry cannot meet the requirement of structural reliability after being assembled.

Therefore, we propose a new structure of rf coaxial connector to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a new-type structure radio frequency coaxial connector, this device adopts the crimping structure that the welding pipe adds the shell, pushes the shell after the welding pipe with the soldering of cable shielding layer and uses crimping pincers to compress tightly in, and this structure has increased the reliability of product to the device adopts foretell mounting method and method to lead to the assembly efficiency ratio of device than higher, thereby made things convenient for staff's assembly, in order to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the radio frequency coaxial connector with the novel structure comprises a shell, wherein an SMA (shape memory alloy) threaded sleeve is sleeved on the shell, and a clamping ring is arranged between the SMA threaded sleeve and the shell;

an insulator is arranged in the shell, and a contact pin is connected to the insulator;

the shell is provided with a welding pipe, the insulator is provided with a small insulator, and one end of the welding pipe is in contact with the small insulator.

In the device, a worker puts the snap ring, the SMA swivel nut and the insulator into the shell to form a semi-finished product, then puts the welding pipe and the insulator into the shielding layer and the insulating layer of the stripped cable, solders the core wire of the stripped cable into the inner hole of the contact pin, solders the shielding layer of the cable into the square hole on the side of the welding pipe, finally pushes the welding pipe, the small insulator and the contact pin assembled on the cable into the semi-finished product insulator and the shell to be crimped at the tail part of the shell, and simultaneously pushes the welding pipe and the shell to be crimped by using crimping pliers after soldering the shielding layer of the cable into the shell.

Preferably, the shell is located inside the SMA swivel nut, annular grooves are formed in the shell and the SMA swivel nut, the clamping ring is located in the annular grooves, and the two portions of the clamping ring are located in the shell and the SMA swivel nut respectively.

Preferably, be equipped with first recess in the shell, and insulator friction joint is in first recess, the material of insulator is polytetrafluoroethylene.

Preferably, a second groove is formed in the insulator, the contact pin is clamped in the second groove in a friction mode, and one end, far away from the insulator, of the contact pin is located in the SMA turnbuckle.

Preferably, the upper end of insulator is equipped with the third recess, and little insulator 7 friction joint in the third recess, the third recess is linked together the setting with the second recess, and little insulator and contact pin laminating mutually.

Preferably, the welding pipe is inserted into the shell, one end of the welding pipe is in contact with the small insulator, and the cable shielding layer is soldered on the square hole in the side of the welding pipe.

Preferably, an inner hole is formed in the contact pin, and a core wire of the cable is soldered in the inner hole of the contact pin.

Compared with the prior art, the beneficial effects of the utility model are that:

the worker packs the snap ring, the SMA swivel nut and the insulator into the shell to form a semi-finished product, then the worker packs the welding pipe and the insulator into the shielding layer and the insulating layer of the stripped cable, the core wire of the stripped cable is soldered in the inner hole of the contact pin, the cable shielding layer is soldered in the square hole on the side of the welding pipe, finally, the welding pipe assembled on the cable, the small insulator and the contact pin are pushed into the semi-finished product insulator and the shell to be crimped at the tail part of the shell, meanwhile, the welding pipe is provided with a crimping structure of the shell, the cable shielding layer is soldered in the welding pipe and then pushed into the shell to be compressed by using crimping pliers, the structure increases the reliability of a product, and the device adopts the installation mode and the method to lead the assembly efficiency of the device to be higher, thereby facilitating the assembly of the worker.

Drawings

Fig. 1 is a schematic structural diagram of a radio frequency coaxial connector with a new structure according to the present invention;

fig. 2 is a schematic side view of a radio frequency coaxial connector with a new structure according to the present invention;

fig. 3 is a schematic cross-sectional structural view of a radio frequency coaxial connector with a new structure according to the present invention;

fig. 4 is a schematic plan view of a cross-sectional structure of the rf coaxial connector of the present invention.

In the figure: 1SMA swivel nut, 2 snap rings, 3 shells, 4 insulators, 5 contact pins, 6 welding pipes and 7 small insulators.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a radio frequency coaxial connector with a new structure comprises a shell 3, wherein an SMA insert 1 is sleeved on the shell 3, wherein particularly, the SMA insert 1 is composed of a cylinder with five angles and a vertical cylinder, the vertical cylinder and the cylinder are integrally formed, and the diameter of the SMA insert 1 is larger than that of the shell 3, so that the shell 3 can be positioned in the SMA insert 1.

A snap ring 2 is arranged between the SMA swivel nut 1 and the shell 3, the shell 3 is arranged inside the SMA swivel nut 1, annular grooves are formed in the shell 3 and the SMA swivel nut 1, the snap ring 2 is arranged in the annular grooves, and two parts of the snap ring 2 are respectively arranged in the shell 3 and the SMA swivel nut 1, wherein particularly, the snap ring 2 has the purpose of limiting the shell 3 and the SMA swivel nut 1, so that the separation of the SMA swivel nut 1 and the shell 3 is avoided, and the stability of the device is further ensured.

Be equipped with insulator 4 in the shell 3, be equipped with first recess in the shell 3, and insulator 4 friction joint in first recess, the material of insulator 4 is polytetrafluoroethylene, and what especially noted is that the material of insulator 4 is unanimous with the material of little insulator 7, and when insulator 4 was in first recess simultaneously, can not drop from first recess, and further can make the device normal use.

Be connected with contact pin 5 on insulator 4, wherein especially notice, contact pin 5's material is beryllium bronze, the higher authority can gild, silvered coating, thereby can make signal transmission more stable, be equipped with the second recess on insulator 4, and contact pin 5 friction joint is in the second recess, contact pin 5 keeps away from the one end of insulator 4 and is in SMA swivel nut 1, be equipped with the hole on the contact pin 5, and the heart yearn tin welding of cable is in contact pin 5 holes, wherein the heart yearn of cable is formed by staff's preparation, then the one end of cable is passed and is welded pipe 6 and extend to in the hole in contact pin 5, thereby the normal use of device has been guaranteed.

Be equipped with on the shell 3 and weld pipe 6, weld 6 cartridge of pipe in shell 3, the one end and the little insulator 7 of welding pipe 6 contact, and the soldering of cable shielding layer is on welding 6 side square holes of pipe, and wherein the particular attention is that, be equipped with the through-hole on the shell 3 to can make during welding pipe 6 inserts the through-hole, further assurance the normal use of device.

Be equipped with little insulator 7 on the insulator 4, and the one end of welding pipe 6 contacts with little insulator 7, and the upper end of insulator 4 is equipped with the third recess, and little insulator 7 friction joint in the third recess, and the third recess is linked together the setting with the second recess, and little insulator 7 laminates mutually with contact pin 5, and wherein what pay attention to is that little insulator 7 is in between contact pin 5 and welding pipe 6 to can make contact pin 5 and welding pipe 6's normal use.

The inner conductor is straight line barb welded structure, prevents that the inner conductor shrink needle or because of the less change of taking place of cable heart yearn stranded softness and size is twisted off in the use, and the outer conductor is 6 with 3 crimping structures of shell for welding pipe, pushes the cable shielding layer soldering and uses crimping pincers to compress tightly in shell 3 after welding pipe 6, and this structure has increased the reliability of product.

In the utility model, the water-saving device is provided with a water-saving valve,

1. when a worker needs to use the device, the worker firstly installs the snap ring 2, the SMA thread insert 1 and the insulator 4 into the shell 3 to form a semi-finished product;

2. then, the worker puts the welding pipe 6 and the insulator 4 into the shielding layer and the insulating layer of the stripped cable;

3. soldering the core wire of the stripped cable to the inner hole of the contact pin 5, and soldering the cable shielding layer to the square hole at the side of the welding tube 6;

4. and finally, pushing the welding pipe 6, the small insulator 7 and the contact pin 5 which are assembled on the cable into the semi-finished insulator 4 and the shell 3 to be crimped at the tail part of the shell.

The utility model discloses in, above the mounting means, the connected mode or the mode of setting up of all parts are common mechanical system to the concrete structure, model and the coefficient index of all parts of it are its technique of taking certainly, can realize being accurate with "technical staff of the technical field of the affiliated department", as long as can reach all can implement of its beneficial effect, the event is not adding the repeated description more.

The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.

In the present invention, unless otherwise specified, the terms "up, down, left, right, front, back, inside, outside, vertical and horizontal" and the like used in the terms refer to the orientation of the terms in the conventional usage, or are colloquially understood by those skilled in the art, and are not to be construed as limiting the terms, and the terms "first", "second", and "third" do not refer to a specific number or order and are used merely for name differentiation, and the terms "include", or any other variation thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims (7)

1. The radio frequency coaxial connector with the novel structure is characterized by comprising a shell (3), wherein an SMA (shape memory alloy) threaded sleeve (1) is sleeved on the shell (3), and a clamping ring (2) is arranged between the SMA threaded sleeve (1) and the shell (3);

an insulator (4) is arranged in the shell (3), and a contact pin (5) is connected to the insulator (4);

be equipped with on shell (3) and weld pipe (6), be equipped with little insulator (7) on insulator (4), and the one end of welding pipe (6) contacts with little insulator (7).

2. A radio frequency coaxial connector with a new structure according to claim 1, wherein the outer shell (3) is located inside the SMA barrel (1), the outer shell (3) and the SMA barrel (1) are both provided with an annular groove, the snap ring (2) is located in the annular groove, and two parts of the snap ring (2) are located in the outer shell (3) and the SMA barrel (1) respectively.

3. The radio frequency coaxial connector with a novel structure as claimed in claim 1, wherein a first groove is formed in the housing (3), and the insulator (4) is frictionally clamped in the first groove, and the insulator (4) is made of polytetrafluoroethylene.

4. The radio frequency coaxial connector with the novel structure is characterized in that a second groove is formed in the insulator (4), a contact pin (5) is in friction clamping in the second groove, and one end, far away from the insulator (4), of the contact pin (5) is located in the SMA thread sleeve (1).

5. The radio frequency coaxial connector with the novel structure is characterized in that a third groove is formed in the upper end of the insulator (4), the small insulator (7) is clamped in the third groove in a friction mode, the third groove is communicated with the second groove, and the small insulator (7) is attached to the contact pin (5).

6. A new-type structure rf coaxial connector according to claim 1, wherein the welding tube (6) is inserted into the housing (3), one end of the welding tube (6) is in contact with the small insulator (7), and the cable shielding layer is soldered to the square hole on the side of the welding tube (6).

7. The radio-frequency coaxial connector with the novel structure is characterized in that an inner hole is formed in the pin (5), and a core wire of the cable is soldered in the inner hole of the pin (5).

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