CN210040644U

CN210040644U - Subminiature push-in type radio frequency coaxial precision connector

Info

Publication number: CN210040644U
Application number: CN201921106819.0U
Authority: CN
Inventors: 李翔
Original assignee: SHENZHEN AIDELE ELECTRONICS CO Ltd
Current assignee: SHENZHEN AIDELE ELECTRONICS CO Ltd
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-02-07
Anticipated expiration: 2029-07-16

Abstract

The utility model discloses a subminiature push-in radio frequency coaxial precision connector, which comprises an outer conductor and an inner conductor, wherein the inner conductor is embedded and installed in the outer conductor in a sliding way, a supporting ring is welded at the position of one end of the outer conductor, which is close to the inner conductor, and a connector is arranged at the end of the inner conductor, which is far away from the outer conductor, the utility model discloses a double-layer insulation structure is formed by arranging insulation layers at the inner sides of the outer conductor and the inner conductor, thereby improving the safety of the connector, the inner cable is further protected by the double-layer design of the inner conductor and the outer conductor, the push-in design is adopted, a slide block is matched with a chute arranged for use, thereby playing a limiting role, the outer conductor is prevented from rotating and deviating when the inner conductor is pushed outwards, meanwhile, the slide block is abutted against an elastic contact element, the slide block pushes the elastic contact element, thereby leading the clearance, the locking device is suitable for locking cables with different specifications.

Description

Subminiature push-in type radio frequency coaxial precision connector

Technical Field

The utility model relates to a coaxial connector field, in particular to coaxial precision connector of subminiature push-in radio frequency.

Background

The coaxial connector refers to a part used for connecting the end parts of two shafts so as to ensure that the central lines of the two shafts are on the same axis, and is generally used for connecting a driving shaft and a driven shaft and transmitting the rotary motion of the driving shaft to the driven shaft.

The traditional connector is simple in structure, cannot be connected with cables of different specifications, is easy to cause cable sliding, and is not enough in protection performance and inconvenient to adjust.

SUMMERY OF THE UTILITY MODEL

The main object of the present invention is to provide a subminiature push-in type rf coaxial precision connector, which can effectively solve the problems of the background art.

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

the utility model provides a coaxial precision connector of subminiature push-in radio frequency, includes outer conductor and inner conductor, the inner conductor slidingtype embedding is installed in the outer conductor, and the welding of the position department that the one end of outer conductor is close to the inner conductor has to support the circle, the one end that the outer conductor was kept away from to the inner conductor is equipped with the connector, and the outside of connector has cup jointed elastic contact, the inner wall of outer conductor and inner conductor has all electroplated the insulating layer.

Preferably, the thickness of the insulating layer is between 0.05 and 0.1 mm.

Preferably, the outer conductor and the inner conductor are both hollow cylindrical structures, and the aperture of the outer conductor is larger than that of the inner conductor by 1-3 mm.

Preferably, the inner wall both sides that the outer conductor is close to the inner conductor all weld the slider, and the spout has been seted up to the both sides correspondence on inner conductor surface, the slider is cylindrical component.

Preferably, the connector comprises four elastic clamping pieces, a gap groove is formed between each elastic clamping piece, an included angle of 60 degrees is formed between each elastic clamping piece and the end face of the inner conductor, and one end of each elastic clamping piece is of an arc-shaped structure.

Preferably, the inner sides of the four arc-shaped structures of the connector are provided with silica gel rings, and the diameter of each silica gel ring is 2-4 cm.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the insulating layers are arranged on the inner sides of the outer conductor and the inner conductor to form a double-layer insulating structure, so that the use safety of the connector is improved, and the inner cable is further protected by the double-layer design of the inner conductor and the outer conductor;

2. through arranging the outer conductor and the inner conductor and adopting a push-in design, the sliding block is matched with the arranged sliding groove to play a role in limiting, the outer conductor is prevented from rotating and deviating when the inner conductor is pushed outwards, meanwhile, the sliding block is abutted against the elastic contact piece and pushes the elastic contact piece, so that the clearance grooves among the four elastic clamping pieces of the connector are smaller and smaller, and the connector is suitable for locking operation of cables with different specifications;

3. through setting up the silica gel circle, the silica gel circle not only plays insulating effect, when simultaneously with the cable contact extrusion, has increased static friction to play anti-skidding effect, conveniently change the silica gel circle of different specifications in order to adapt to the cable of different specifications.

Drawings

Fig. 1 is a front view of a subminiature push-in rf coaxial precision connector of the present invention;

fig. 2 is a side view of a subminiature push-on rf coaxial precision connector of the present invention;

fig. 3 is an enlarged view of a portion a of fig. 1 of a subminiature push-in rf coaxial precision connector according to the present invention.

In the figure: 1. an outer conductor; 2. an inner conductor; 3. a connector; 4. abutting against the ring; 5. a chute; 6. a slider; 7. an insulating layer; 8. an elastic contact member; 9. and (5) a silica gel ring.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-3, a subminiature push-in type radio frequency coaxial precision connector comprises an outer conductor 1 and an inner conductor 2, wherein the inner conductor 2 is slidably embedded in the outer conductor 1, a butting ring 4 is welded at a position, close to the inner conductor 2, of one end of the outer conductor 1, a connector 3 is arranged at one end, far away from the outer conductor 1, of the inner conductor 2, an elastic contact element 8 is sleeved on the outer side of the connector 3, and insulating layers 7 are electroplated on the inner walls of the outer conductor 1 and the inner conductor 2.

As shown in FIG. 2, the thickness of the insulating layer 7 is 0.05-0.1mm, and the insulating layer 7 is made of PTFE.

As shown in fig. 1 and 2, the outer conductor 1 and the inner conductor 2 are both hollow cylindrical structures, the aperture of the outer conductor 1 is 1-3mm larger than that of the inner conductor 2, the contact resistance of the outer conductor 1 is less than or equal to 10m Ω, the contact resistance of the inner conductor 2 is less than or equal to 10m Ω, the durability of the push-in design of the outer conductor 1 and the inner conductor 2 is 500 times, and the materials of the outer conductor 1 and the inner conductor 2 are beryllium bronze and gold-plated.

The insulating layers 7 are arranged on the inner sides of the outer conductor 1 and the inner conductor 2, so that a double-layer insulating structure is formed, the use safety of the connector is improved, and the inner cable is further protected by the double-layer design of the inner conductor and the outer conductor.

As shown in fig. 1 and 2, the outer conductor 1 is welded with the sliding blocks 6 on both sides of the inner wall close to the inner conductor 2, the sliding grooves 5 are correspondingly formed on both sides of the surface of the inner conductor 2, and the sliding blocks 6 are cylindrical members.

As shown in fig. 3, the connector 3 is composed of four elastic clips, a gap is formed between each elastic clip, and an included angle of 60 degrees is formed between each elastic clip and the end surface of the inner conductor 2, and one end of each elastic clip is of an arc-shaped structure.

Through setting up outer conductor 1 and inner conductor 2, adopt the push-in design, slider 6 uses with the cooperation of the spout 5 of seting up, has played limiting displacement, avoids outer conductor 1 to take place rotatory skew when inner conductor 2 extrapolates, and slider 6 offsets with elastic contact 8 simultaneously, and slider 6 promotes elastic contact 8 to the clearance groove between four elastic clamping pieces that the messenger is connector 3 is more and more littleer, is suitable for the tight locking operation to different specification cables.

As shown in fig. 3, the inner sides of the four arc structures of the connector 3 are provided with silica gel rings 9, and the diameter of the silica gel ring 9 is 2-4 cm.

Through setting up silica gel circle 9, silica gel circle 9 not only plays insulating effect, when simultaneously with the cable contact extrusion, has increased static friction to play the antiskid effect, conveniently change the silica gel circle 9 of different specifications in order to adapt to the cable of different specifications.

It should be noted that, the utility model relates to a subminiature push-in type radio frequency coaxial precision connector, at first, before using, observe the cable of different specifications, change the silica gel circle 9 of different specifications in connector 3, then insert the one end of cable through in connector 3, after the cable reachs suitable position, hold outer conductor 1, the thumb supports and supports ring 4, outer conductor 1 promotes in the outside of inner conductor 2, slider 6 slides in spout 5, has played the limiting displacement, avoid outer conductor 1 to take place the rotational deviation when inner conductor 2 is pushed outward, when slider 6 offsets with elastic contact 8, slider 6 promotes elastic contact 8, thereby make the clearance groove between four elastic clamping pieces of connector 3 littleer and smaller, be suitable for the locking operation to different specifications cable;

silica gel circle 9 not only plays insulating effect, when simultaneously with the cable contact extrusion, has increased static friction to play the antiskid effect, ensured the normal use of cable.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A subminiature push-in radio frequency coaxial precision connector comprising an outer conductor (1) and an inner conductor (2), characterized in that: the inner conductor (2) is installed in the outer conductor (1) in a sliding type embedding mode, the position, close to the inner conductor (2), of one end of the outer conductor (1) is welded with the abutting ring (4), one end, far away from the outer conductor (1), of the inner conductor (2) is provided with the connector (3), the outer side of the connector (3) is sleeved with the elastic contact piece (8), and the inner walls of the outer conductor (1) and the inner conductor (2) are electroplated with the insulating layer (7).

2. A subminiature push-on rf coaxial precision connector according to claim 1, wherein: the thickness of the insulating layer (7) is 0.05-0.1 mm.

3. A subminiature push-on rf coaxial precision connector according to claim 1, wherein: the outer conductor (1) and the inner conductor (2) are both hollow cylindrical structures, and the aperture of the outer conductor (1) is 1-3mm larger than that of the inner conductor (2).

4. A subminiature push-on rf coaxial precision connector according to claim 1, wherein: the inner wall both sides that outer conductor (1) is close to inner conductor (2) all weld slider (6), and sliding groove (5) have been seted up to inner conductor (2) surperficial both sides correspondence, slider (6) are cylindrical component.

5. A subminiature push-on rf coaxial precision connector according to claim 1, wherein: the connector (3) is composed of four elastic clamping pieces, a clearance groove is formed between each elastic clamping piece, a 60-degree included angle is formed between each elastic clamping piece and the end face of the inner conductor (2), and one end of each elastic clamping piece is of an arc-shaped structure.

6. A subminiature push-on rf coaxial precision connector according to claim 5, wherein: the inner sides of the four arc-shaped structures of the connector (3) are provided with silica gel rings (9), and the diameter of each silica gel ring (9) is 2-4 cm.