CN215418864U

CN215418864U - Sealed radio frequency coaxial connector

Info

Publication number: CN215418864U
Application number: CN202121677021.9U
Authority: CN
Inventors: 徐中明
Original assignee: Zhenjiang Zhongming Electronics Co ltd
Current assignee: Zhenjiang Zhongming Electronics Co ltd
Priority date: 2021-07-22
Filing date: 2021-07-22
Publication date: 2022-01-04
Anticipated expiration: 2031-07-22

Abstract

The utility model provides a sealed radio frequency coaxial connector which comprises a male connector head and a female connector head which are spliced with each other, wherein a sealed joint mouth is arranged at one end of the male connector head, a sealed joint groove is formed at one end of the female connector head, an electric connecting plug is arranged in the male connector head, a threaded pipe is wrapped outside the electric connecting plug, a threaded hole is formed in the female connector head, two ends of the male connector head and the female connector head, which are mutually deviated, are respectively provided with a wire tightening head, and a silica gel pad is arranged on the inner side of the wire tightening head.

Description

Sealed radio frequency coaxial connector

Technical Field

The utility model discloses a sealed radio frequency coaxial connector, and relates to the technical field of radio frequency coaxial connectors.

Background

A radio frequency coaxial connector, simply referred to as an RF connector, is generally considered to be a component attached to a cable or mounted on an instrument as a component to which a transmission line is electrically connected or separated. It belongs to a mechatronic product. Simply speaking, it mainly plays the role of a bridge; RF connectors have a shorter history of development compared to other electronic components. UHF connectors appeared in 1930 as the earliest RF connectors. In the period of world war ii, due to the urgent needs of war, with the development of radar, radio and microwave communication, medium-sized series such as N, C, BNC, TNC and the like are generated, miniaturized products such as SMA, SMB, SMC and the like appear in 1958, the United states military standard MIL-C-39012 general Specification for radio frequency coaxial connectors is established in 1964, and from this point, the development of RF connectors is in the direction of standardization, serialization and universalization.

In the prior art, a radio frequency coaxial connector is mostly composed of a male head and a female head which can be mutually inserted, and the male head and the female head are required to have good sealing performance; in addition, the male connector and the female connector need to be installed and connected with a cable, and good sealing performance between the connector and the cable is required, so that the two problems are difficult to be solved simultaneously by the conventional radio frequency coaxial connector, and therefore, a sealing type radio frequency coaxial connector is urgently needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide the sealing type radio frequency coaxial connector to solve the problems in the background technology.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a canned type radio frequency coaxial connector, is including the public head of connector and the female head of connector of mutual concatenation, public first one end of connector is provided with sealed linking mouth, sealed linking groove has been seted up to the female first one end of connector, the public first inside electricity plug that is provided with of connector, it has the screwed pipe to connect the outside parcel of electricity plug, the inside screw hole of seting up of the female head of connector, the both ends that public head of connector and the female head of connector deviate from each other are provided with the tight thread silk head respectively, the inboard of tight thread silk head is provided with the silica gel pad.

Furthermore, the silica gel pad is the circular cone column structure, silica gel pad and tight line silk head all run through and set up the line hole.

Further, thread grooves are formed in one ends, deviating from each other, of the connector male head and the connector female head, and the tightening screw head is connected with the thread grooves through thread matching.

Further, the screwed pipe is connected with the threaded hole through threaded fit, the bottom of the threaded hole is provided with an electricity connection socket, and the electricity connection socket is matched with the electricity connection plug.

Furthermore, the power connection socket and the power connection plug are connected with external electrical equipment through wires and wire routing holes.

Further, the sealing connection mouth is matched with the sealing connection groove, and a silica gel ring is arranged at the tail end of the sealing connection mouth.

The utility model has the beneficial effects that:

1. according to the utility model, by adding the silica gel pad with a conical structure, the silica gel pad and the tightening wire head are both provided with the wire feeding holes in a penetrating way, the tightening wire head is connected with the thread groove through thread matching, when the tightening wire head is tightened, the conical silica gel pad is pressed to enter the wire feeding holes of the tightening wire head, meanwhile, the inner diameter of the wire feeding holes in the silica gel pad is reduced by extrusion, and the silica gel pad further holds the outer wall of the lead wire tightly, so that the lead wire is isolated from the inside and the outside;

2. the external part of the power connection plug is wrapped with a threaded pipe, the threaded pipe is connected with a threaded hole through threaded matching, a sealing joint nozzle is matched with a sealing joint groove, the tail end of the sealing joint nozzle is provided with a silica gel ring, the threaded pipe is driven to be screwed into the threaded hole through rotating a connector male head, finally the sealing joint nozzle is embedded into the sealing joint groove, meanwhile, the silica gel ring is tightly attached to the bottom of the sealing joint groove, and the connector male head is isolated from the inner side and the outer side of a connector female head;

3. the utility model not only improves the sealing performance and structure of the connector during connection, but also carries out sealing reinforcement aiming at the installation of the cable, and has good insulation property.

Drawings

Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural diagram of a sealed rf coaxial connector according to the present invention;

fig. 2 is an exploded view of a sealed rf coaxial connector according to the present invention;

in the figure: 1 connector male head, 11 sealing joint mouth, 12 silica gel ring, 2 tightening wire head, 21 wiring hole, 22 silica gel pad, 3 electric connection plug, 31 screwed pipe, 4 connector female head, 41 sealing joint groove, 42 electric connection socket, 5 screwed groove and 6 screwed hole.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a canned type radio frequency coaxial connector, including the public head 1 of connector and the female head 4 of connector of mutual concatenation, public head 1 one end of connector is provided with sealed linking mouth 11, sealed linking groove 41 has been seted up to the female head 4 one end of connector, public head 1 of connector is inside to be provided with connects electric plug 3, it has screwed pipe 31 to connect the outside parcel of electric plug 3, the inside screw hole 6 of seting up of female head 4 of connector, the both ends that public head 1 of connector and the female head 4 of connector deviate from each other are provided with tight line silk head 2 respectively, the inboard of tight line silk head 2 is provided with silica gel pad 22, seal structure is not good when having solved the radio frequency coaxial connector of past and connecting, the leakproofness can not get the problem of guaranteeing when connector is connected with the cable.

The silicon rubber pad 22 is in a conical structure, the silicon rubber pad 22 and the tightening wire head 2 are both provided with the wire feeding holes 21 in a penetrating mode, one ends, away from each other, of the connector male head 1 and the connector female head 4 are both provided with the thread grooves 5, the tightening wire head 2 is connected with the thread grooves 5 through thread matching, the power connection socket 42 and the power connection plug 3 are both connected with external electrical equipment through wires and penetrating the wire feeding holes 21, when the tightening wire head 2 is screwed, the conical silicon rubber pad 22 is pressed to enter the wire feeding holes 21 of the tightening wire head, meanwhile, the inner diameter of the wire feeding holes 21 in the silicon rubber pad 22 is reduced through extrusion, and the silicon rubber pad 22 further holds the outer wall of the wires tightly to enable the wires to be isolated from the inside and the outside.

The threaded pipe 31 is connected with the threaded hole 6 through threaded fit, the sealing connecting mouth 11 is matched with the sealing connecting groove 41, the tail end of the sealing connecting mouth 11 is provided with the silica gel ring 12, the threaded pipe 31 is driven to be screwed into the threaded hole 6 through rotating the male connector 1, finally the sealing connecting mouth 11 is embedded into the sealing connecting groove 41, meanwhile, the silica gel ring 12 is tightly attached to the bottom of the sealing connecting groove 41, and the inner side and the outer side of the male connector 1 and the female connector 4 are isolated.

As an embodiment of the present invention: firstly, a lead penetrates through the wiring hole 21 of the tightening wire head 2 and the silica gel pad 22, the silica gel pad 22 is placed between the tightening wire head 2 and the thread groove 5, one end of the lead is respectively and electrically connected with the power connection plug 3 and the power connection socket 42, the tightening wire head 2 is respectively screwed with the connector male head 1 and the connector female head 4, at the moment, the conical silica gel pad 22 is pressed to enter the wiring hole 21 of the tightening wire head, meanwhile, the inner diameter of the wiring hole 21 in the silica gel pad 22 is reduced by extrusion, and the silica gel pad 22 further holds the outer wall of the lead tightly, so that the lead is isolated from the inside and the outside;

then, the male connector 1 is rotated to drive the threaded pipe 31 to be screwed into the threaded hole 6, so that the power connection plug 3 and the power connection socket 42 are finally plugged; meanwhile, as the threaded pipe 31 is screwed into the threaded hole 6, the sealing connecting mouth 11 is embedded into the sealing connecting groove 41, the silicone ring 12 is tightly attached to the bottom of the sealing connecting groove 41, and the inner side and the outer side of the male connector 1 and the female connector 4 are isolated.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a canned type radio frequency coaxial connector, includes male head of connector (1) and female head of connector (4) that splice each other, its characterized in that: public first (1) one end of connector is provided with sealed linking mouth (11), sealed linking groove (41) have been seted up to female head of connector (4) one end, public first (1) inside of connector is provided with connects electric plug (3), it has screwed pipe (31) to connect electric plug (3) outside parcel, female head of connector (4) inside set up threaded hole (6), the both ends that public first (1) of connector and female head of connector (4) deviate from each other are provided with tight line head (2) respectively, the inboard of tight line head (2) is provided with silica gel pad (22).

2. The sealed radio frequency coaxial connector of claim 1, wherein: the silica gel pad (22) is of a conical structure, and the silica gel pad (22) and the wire tightening wire head (2) are both provided with a wire feeding hole (21) in a penetrating mode.

3. The sealed radio frequency coaxial connector of claim 1, wherein: threaded groove (5) have all been seted up to the one end that public head (1) of connector and female head of connector (4) deviate from each other, tight line screw head (2) are connected with threaded groove (5) through screw-thread fit.

4. The sealed radio frequency coaxial connector of claim 1, wherein: threaded pipe (31) are connected with screw hole (6) through screw-thread fit, the bottom of screw hole (6) is provided with connects electric socket (42), and connects electric socket (42) and connect electric plug (3) phase-match.

5. The sealed radio frequency coaxial connector of claim 4, wherein: the power connection socket (42) and the power connection plug (3) are connected with external electrical equipment through wires and penetrating through the wiring hole (21).

6. The sealed radio frequency coaxial connector of claim 1, wherein: the sealing connecting mouth (11) is matched with the sealing connecting groove (41), and a silica gel ring (12) is arranged at the tail end of the sealing connecting mouth (11).