CN210957128U

CN210957128U - Radio frequency coaxial connector

Info

Publication number: CN210957128U
Application number: CN201922407531.3U
Authority: CN
Inventors: 代文鹏; 戴国俊
Original assignee: Jiangsu Zhengdi Microwave Technology Co ltd
Current assignee: Jiangsu Zhengdi Microwave Technology Co ltd
Priority date: 2019-12-28
Filing date: 2019-12-28
Publication date: 2020-07-07
Anticipated expiration: 2029-12-28

Abstract

The utility model discloses a radio frequency coaxial connector belongs to electric connector technical field, including front end housing, middle-end casing and rear end casing, middle-end casing central part is provided with central through-hole, and the rear end casing passes through wire and central terminal through connection with the middle-end casing, and the inside bottom end of middle-end casing is fixed and is provided with elastic sealing circle and insulating lock sleeve, at the front end casing external surface and the front end insulating seal circle of middle-end casing junction fixedly connected with, the inside of middle-end casing is provided with the high temperature resistant gasket that uses with the cooperation of central through-hole. The utility model discloses, through all being provided with the elastic sealing circle between central terminal and the central through-hole, at the equal fixed insulating seal circle that is provided with of middle-end casing surface and rear end casing surface and middle-end casing junction, promote the leakproofness, the waterproof nature of product, through the high temperature resistant gasket of fixed support between central terminal and central through-hole, the inside elastic rubber cover that sets up of rear end casing, hoisting device's high temperature resistant limit, extension fixture's life.

Description

Radio frequency coaxial connector

Technical Field

The utility model relates to an electrical components especially relates to a radio frequency coaxial connector, belongs to electric connector technical field.

Background

The rf coaxial connector is generally considered to be a component attached to a cable or mounted on an instrument as an electrical connection or separation element of a transmission line, belongs to a mechatronic product, and functions mainly as a bridge in a simple manner. The radio frequency connector is an important connecting and breaking component in a microwave transmission system, is also an interface element of various radio frequency circuits in the microwave transmission system, and is vital only if the radio frequency connector can be globally used and mutually matched and exchanged.

The existing IEC international standard coaxial connector has poor electrical performance, mechanical performance and environmental resistance, and particularly has poor waterproof performance and high temperature resistance.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing a radio frequency coaxial connector, through all being provided with the elastic sealing circle between central terminal and the central through-hole, at front end casing surface and middle-end casing junction fixedly connected with front end insulating seal circle, at the fixed rear end insulating seal circle that is provided with of rear end casing surface and middle-end casing junction, promote leakproofness, the waterproof nature of connector, high temperature resistant gasket set up in the surface of sealing up, improve the high temperature resistance ability of device.

The purpose of the utility model can be achieved by adopting the following technical scheme: the cable comprises a middle-end shell, a rear-end shell and a front-end shell which are fixedly arranged at two ends of the middle-end shell respectively, wherein a central through hole which is connected with the rear-end shell and the front-end shell is arranged on the middle-end shell, an elastic sealing ring and an insulating locking sleeve are fixedly arranged at the bottom end of the inner part of the front-end shell, a front-end insulating sealing ring is fixedly connected at the joint of the outer surface of the front-end shell and the middle-end shell, a rear-end insulating sealing ring is fixedly arranged at the joint of the outer surface of the rear-end shell and the middle-end shell, a central terminal is fixedly arranged at one end of the central through hole, which is close to the front-end shell, a wire is inserted in the rear-end shell and comprises a metal wire, one end of the metal wire is inserted in the central through hole and connected with the central terminal, and an, and a high-temperature-resistant gasket is arranged on the inner wall of the central through hole.

Preferably, the outer surface of the middle shell is provided with anti-skid lines.

Preferably, the rear end screw thread is arranged on the outer surface of the rear end housing, and the front end screw thread is arranged on the outer surface of the front end housing.

Preferably, the rear end shell is provided with a lock nut which is matched with the rear end thread for use.

Preferably, the insulating lock sleeve comprises a cylindrical lock sleeve base and a plurality of elastic arms connected with the lock sleeve base, and elastic rubber pads are arranged at the upper ends of the elastic arms.

Preferably, a terminal hole groove is formed at a connection portion of the central terminal and the wire, and the metal wire is inserted into the terminal hole groove.

Preferably, a sealing gasket fixedly connected with the elastic sealing ring is arranged between the central terminal and the central through hole, and the sealing gasket is arranged between the high-temperature-resistant gasket and the inner wall of the central through hole.

The utility model has the advantages of:

1. elastic sealing rings are arranged between the central terminal and the central through hole, a front-end insulating sealing ring is fixedly connected at the joint of the outer surface of the middle-end shell and the middle-end shell, and a rear-end insulating sealing ring is fixedly arranged at the joint of the outer surface of the rear-end shell and the middle-end shell, so that the water resistance of a product is improved;

2. the high-temperature resistant gasket is fixedly supported between the central terminal and the central through hole, and the elastic rubber sleeve is arranged in the rear-end shell, so that the high-temperature resistant limit of the connector is improved;

3. the anti-slip lines are arranged on the outer surface of the middle-end shell, the elastic arms are arranged on the base parts of the locking sleeves, and the elastic rubber pads are arranged at the upper ends of the elastic arms, so that the roughness of a contact surface is increased, and the anti-slip locking device is quick to use and convenient to install;

4. the rear end screw thread is arranged on the outer surface of the rear end shell, and the front end screw thread is arranged on the outer surface of the middle end shell, so that the connection is stable and convenient.

Drawings

Fig. 1 is a cross-sectional view of a preferred embodiment of a radio frequency coaxial connector according to the present invention;

fig. 2 is an enlarged view of a preferred embodiment a of the rf coaxial connector of fig. 1 according to the present invention.

Fig. 3 is a front view of a preferred embodiment of a radio frequency coaxial connector according to the present invention;

fig. 4 is a front end front view of a preferred embodiment of a radio frequency coaxial connector according to the present invention;

fig. 5 is a perspective view of an insulation displacement sleeve of a preferred embodiment of a radio frequency coaxial connector according to the present invention;

in the figure: 1-middle shell, 2-lock nut, 3-center terminal, 4-wire, 5-rear shell, 6-front insulated seal ring, 7-front shell, 8-front thread, 9-insulated lock sleeve, 10-elastic seal ring, 11-rear insulated seal ring, 12-elastic rubber sleeve, 13-elastic rubber pad, 14-high temperature resistant gasket, 15-elastic arm, 16-lock sleeve base, 17-terminal hole groove, 18-anti-slip line, 19-metal wire, 20-rear thread, 101-center through hole, 102-seal gasket.

Detailed Description

In order to make the technical solutions of the present invention clearer and clearer for those skilled in the art, the present invention will be described in further detail with reference to the following embodiments and the accompanying drawings, but the embodiments of the present invention are not limited thereto.

As shown in fig. 1-5, the rf coaxial connector provided in this embodiment includes a middle housing 1, and a rear housing 5 and a front housing 7 fixedly disposed at two ends of the middle housing, respectively, the middle housing 1 is provided with a central through hole 101 connected with the rear housing 5 and the front housing 7, the bottom end inside the front housing 7 is fixedly provided with an elastic sealing ring 10 and an insulating locking sleeve 9, the insulating locking sleeve 9 has a certain tension and can be connected with a connector with a small specification difference, the connector presses the sealing ring 10, so as to improve the sealing performance of the device, the front insulating sealing ring 6 is fixedly connected at the connection between the outer surface of the front housing 7 and the middle housing 1, the rear insulating sealing ring 11 is fixedly disposed at the connection between the outer surface of the rear housing 5 and the middle housing 1, the sealing ring is pressed by a threaded connection, so that the sealing performance is strong, the waterproof effect is showing, central through-hole 101 is close to the fixed central terminal 3 that is provided with of front end casing 7 one end, it has wire 4 to peg graft in the casing 5 of rear end, wire 4 includes wire 19, wire 19 one end is inserted central through-hole 101 and is connected with central terminal 3, be provided with elastic rubber sleeve 12 between the inner wall of casing 5 of rear end and the wire 4, the rubber sleeve is all wrapped up to wire 4 surface, the rubber sleeve is under the extrusion with wire and shells inner wall zonulae occludens, be provided with high temperature resistant gasket 14 on the central through-hole 101 inner wall, the device is metal casing, be provided with high temperature resistant gasket on the central hole inner wall, can not influence the effect of connector because of the machine heat dissipation during the.

In the embodiment, as shown in fig. 2, the outer surface of the middle end shell 1 of the middle end shell is provided with anti-slip lines 18, so that the roughness of the hand and the contact surface is increased when the middle end shell is used, the slip is prevented, and the installation work efficiency is improved.

In this embodiment, as shown in fig. 4, the insulating lock sleeve 9 includes a cylindrical lock

sleeve base portion

16 and 9 elastic arms 15 connected to the lock sleeve base portion 16, the upper ends of the 9 elastic arms 15 are respectively provided with an elastic rubber pad 13, the elastic arms have a certain tension, and can be sleeved with connectors with slightly different specifications, so as to improve the practicability and stability.

In the embodiment, as shown in fig. 1, 2 and 3, the rear end screw thread 20 is arranged on the outer surface of the rear end housing 5, the front end screw thread 8 is arranged on the outer surface of the front end housing 7, and the screw connection is stable and convenient.

In the present embodiment, as shown in fig. 1 and fig. 2, the rear housing 5 is provided with a lock nut 2 for cooperating with the rear thread 20, so as to facilitate installation.

In the present embodiment, as shown in fig. 1 and 2, a terminal hole slot 17 is provided at the connection point of the central terminal 3 and the lead wire 4, and a metal lead wire 19 is inserted into the terminal hole slot 17, and the metal lead wire and the terminal hole slot are on the same horizontal line for direct insertion connection.

In this embodiment, as shown in fig. 1 and 5, a sealing gasket 102 fixedly connected to the elastic sealing ring 10 is disposed between the central terminal 3 and the central through hole 101, the sealing gasket 102 is disposed between the high temperature resistant gasket 14 and the inner wall of the central through hole 101, and the temperature of the metal housing does not transfer heat to the central terminal through heat conduction, so as to improve the high temperature resistance of the device and prolong the service life of the device.

As shown in fig. 1 to 4, the principle of the rf coaxial connector provided in this embodiment is as follows: the metal wire passes through lock nut, rear end casing and inserts central through-hole to insert with the terminal hole groove of central through-hole department and be connected, fastening lock nut through sealed pad, high temperature resistant gasket, promotes waterproof nature, leakproofness and the high temperature resistance performance of connector.

To sum up, in this embodiment, according to the radio frequency coaxial connector of this embodiment, the radio frequency coaxial connector leakproofness that this embodiment provided is effectual, increases the waterproof nature of device, and high temperature resistant gasket hoisting device's high temperature resistance can set up anti-skidding line simple structure, and the swift installation of being convenient for, and the practical function is showing.

The above description is only a further embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, and any person skilled in the art can replace or change the technical solution and the concept of the present invention within the scope of the present invention.

Claims

1. A radio frequency coaxial connector is characterized by comprising a middle-end shell (1), a rear-end shell (5) and a front-end shell (7) which are fixedly arranged at two ends of the middle-end shell respectively, wherein a central through hole (101) is formed in the middle-end shell (1) and is connected with the rear-end shell (5) and the front-end shell (7), an elastic sealing ring (10) and an insulating locking sleeve (9) are fixedly arranged at the bottom end in the front-end shell (7), a front-end insulating sealing ring (6) is fixedly connected at the joint of the outer surface of the front-end shell (7) and the middle-end shell (1), a rear-end insulating sealing ring (11) is fixedly arranged at the joint of the outer surface of the rear-end shell (5) and the middle-end shell (1), a central terminal (3) is fixedly arranged at one end, close to the front-end shell (7), of the central through hole (101), rear end casing (5) interpolation has wire (4), wire (4) include metal wire (19), metal wire (19) one end inserts central through-hole (101) with central terminal (3) are connected, the inner wall of rear end casing (5) with be provided with elastic rubber sleeve (12) between wire (4), be provided with high temperature resistant gasket (14) on central through-hole (101) inner wall.

2. A radio frequency coaxial connector according to claim 1, wherein the outer surface of the middle shell (1) is provided with anti-slip threads (18).

3. A radio frequency coaxial connector according to claim 1, wherein the rear housing (5) is provided with rear threads (20) on the outer surface and the front housing (7) is provided with front threads (8) on the outer surface.

4. A radio frequency coaxial connector according to claim 3, characterized in that the rear housing (5) is provided with a lock nut (2) for cooperation with the rear thread (20).

5. The rf coaxial connector of claim 1, wherein the insulating locking sleeve (9) comprises a cylindrical locking sleeve base (16) and a plurality of resilient arms (15) connected to the locking sleeve base (16), and each of the plurality of resilient arms (15) is provided with an elastic rubber pad (13) at an upper end thereof.

6. A radio frequency coaxial connector according to claim 1, wherein a junction of said center terminal (3) and said lead wire (4) is provided with a terminal hole groove (17), and said metal lead wire (19) is inserted into said terminal hole groove (17).

7. A radio frequency coaxial connector according to claim 1, wherein a sealing gasket (102) fixedly connected to the elastic sealing ring (10) is disposed between the central terminal (3) and the central through hole (101), and the sealing gasket (102) is disposed between the high temperature resistant gasket (14) and the inner wall of the central through hole (101).