CN215989291U

CN215989291U - Coaxial cable connecting assembly

Info

Publication number: CN215989291U
Application number: CN202121494639.1U
Authority: CN
Inventors: 冉茂涛
Original assignee: Shenzhen Jinyongfeng Precision Technology Co ltd
Current assignee: Shenzhen Jinyongfeng Precision Technology Co ltd
Priority date: 2021-07-02
Filing date: 2021-07-02
Publication date: 2022-03-08
Anticipated expiration: 2031-07-02

Abstract

The utility model discloses a coaxial cable connecting component, which comprises a sleeve, a positioning insulator, a contact pin and a coaxial cable, wherein the positioning insulator is fixed in the sleeve, the contact pin is fixed in the center of the positioning insulator, the tail part of the contact pin is provided with a jack, the rear end surface of the positioning insulator is provided with a positioning groove, the positioning groove is filled with a porous insulator, the porous insulator is attached to the tail end surface of the contact pin, the porous insulator is provided with a positioning hole for inserting an inner core and a shielding layer along the axial direction of the jack, the rear end surface of the positioning insulator is provided with a fixing shell, the center of the fixing shell is provided with a fixing hole for inserting the coaxial cable, the inner core of the coaxial cable is welded in the jack, the utility model solves the problems of adaptation and impedance matching of a larger contact pin and a thinner coaxial cable and is convenient to weld.

Description

Coaxial cable connecting assembly

Technical Field

The present invention relates to coaxial cable connection assemblies, and particularly to a coaxial cable connection assembly.

Background

Coaxial cable refers to a cable having two concentric conductors, the conductors and shield sharing the same axis. Most common coaxial cables consist of a copper conductor separated by an insulating material, outside of which is another layer of annular conductor and its insulation, and then the entire cable is surrounded by a sheath of polyvinyl chloride or teflon material.

Coaxial cables are used for the transmission of analog and digital signals and are suitable for a wide variety of applications, the most important of which are television transmissions, long distance telephone transmissions, short distance connections between computer systems, and local area networks.

In the prior art, when the coaxial cable is used, the coaxial cable is generally connected with a signal transmitter and a signal receiver through a cable connecting assembly. The existing cable connection assembly needs to select a coaxial cable with a proper specification according to the size of a self contact pin, a larger contact pin cannot be matched with a thinner coaxial cable, and the problem of impedance matching exists during assembly. The problem of poor contact between the connector and the coaxial cable is easy to occur when the existing cable connecting component is influenced by environment such as traction, dust, moisture and the like in the using process.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, one of the objectives of the present invention is to provide a coaxial cable connection assembly, which can be adapted to coaxial cables of any specification and solve the problem of impedance matching.

One of the purposes of the utility model is realized by adopting the following technical scheme: a coaxial cable connecting assembly comprises a sleeve, a positioning insulator, a contact pin and a coaxial cable. A positioning insulator is fixed in the sleeve, and the contact pin is fixed in the center of the positioning insulator. The coaxial cable comprises an inner core and a shielding layer, wherein the tail part of the contact pin is provided with an insertion hole, the rear end surface of the positioning insulator is provided with a positioning groove, a porous insulator is filled in the positioning groove, the porous insulator is attached to the tail end surface of the contact pin, and the end surface of the porous insulator is provided with a positioning hole for inserting the inner core and the shielding layer;

the rear end face of the positioning insulator is provided with a fixed shell, the center of the fixed shell is provided with a fixed hole for inserting the coaxial cable, the inner core of the coaxial cable is welded in the jack, and a soldering tin layer is arranged between the coaxial cable and the fixed shell, the contact pin and the insulator with the hole.

The contact pin is provided with a welding hole leading to the jack, and the fixed shell is provided with a tin injection hole leading to the coaxial cable.

And a silica gel layer is arranged between the fixed shell and the sleeve, and an epoxy glue layer is arranged between the silica gel layer and the tail end face of the sleeve.

The sleeve is provided with a thread outside one end connected with the coaxial cable, and the sleeve is provided with a connecting nut outside one end of the plug head.

And a rubber gasket is arranged between the connecting nut and the sleeve.

The connecting nut is fixed on the sleeve through an elastic collar.

Compared with the prior art, the utility model has the beneficial effects that: through ingenious insulator combination to foraminiferous insulator trompil is as the restriction, is even as an organic whole with coaxial cable and contact pin, has solved great contact pin and thinner coaxial cable adaptation problem. The contact pin and the coaxial cable are fixed in the insulator into a whole by a soldering method, the problem of impedance matching between the contact pin and the coaxial cable is solved, and the contact pin is provided with the welding hole and the fixed shell is provided with the tin injection hole for welding, so that the purpose of convenient welding is achieved, and the welding reliability is ensured. Through setting up silica gel layer and epoxy glue film, guaranteed coaxial cable's tensile strength and the sealing performance of product.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic structural view of a coaxial cable connecting assembly according to the present embodiment;

fig. 2 is a sectional view of the cable assembly in this embodiment.

In the figure: 1. inserting a pin; 2. positioning an insulator; 3. a coaxial cable; 4. fixing the housing; 5. a sleeve; 6. an insulator with a hole; 7. a jack; 8. positioning holes; 9. a fixing hole; 10. an inner core; 11. a shielding layer; 12. welding the hole; 13. injecting a tin hole; 14. a connecting nut; 15. a rubber gasket; 16. an elastic collar; 17. positioning a groove; 18. a solder layer; 19. a silica gel layer; 20. and (4) an epoxy glue layer.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.

It should be noted that when a connector is referred to as being "secured to" another connector, it may be directly on the other connector or there may be an intervening connector. When a connector is said to be "connected" to another connector, it may be directly connected to the other connector or there may be intervening connectors present. When a connector is said to be "disposed" on another connector, it may be disposed directly on the other connector or there may be a intervening connector present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Combine shown in fig. 1 and fig. 2, a 3 coupling assembling of coaxial cable, including sleeve 5, location insulator 2, contact pin 1, coaxial cable 3, the sleeve 5 internal fixation has location insulator 2, and contact pin 1 is fixed at location insulator 2 center, and coaxial cable 3 includes inner core 10,

shielding layer

11, and 1 afterbody of contact pin is equipped with jack 7. Pin 1 is connected to core 10 through socket 7. The contact area of the jacks 7 and the inner core 10 is large, so that good contact is kept. A positioning groove 17 is arranged on the rear end face of the positioning insulator 2, a perforated insulator 6 is filled in the positioning groove 17, the perforated insulator 6 is attached to the tail end face of the contact pin 1, and a positioning hole 8 for inserting the inner core 10 and the shielding layer 11 is arranged on the end face of the perforated insulator 6. The inner core 10 and the shielding layer 11 are fixed by arranging the insulator 6 with the hole, so that the coaxial cable 3 is stably connected with the contact pin 1. Through setting up foraminiferous insulator 6 that has the locating hole 8 that meets the requirements, solve great contact pin 1 and different specification coaxial cable 3's adaptation problem.

The rear end face of the positioning insulator 2 is provided with a fixed shell 4, and the center of the fixed shell 4 is provided with a fixed hole 9 for inserting the coaxial cable 3. The inner core 10 of the coaxial cable 3 is soldered in the receptacle 7. The coaxial cable 3 is welded with the contact pin 1, so that the connection effectiveness and accuracy are guaranteed, and the coaxial cable is not easy to loosen. The coaxial cable 3 is stripped and then inserted into a fixing hole 9 on the fixing shell 4, the inner core 10 and the shielding layer 11 are inserted into a positioning hole 8 of the insulator 6 with the hole, and the inner core 10 is inserted into the jack 7 of the pin 1 through the insulator 6 with the hole and welded. A soldering tin layer 18 is arranged between the coaxial cable 3 and the fixed shell 4, between the contact pin 1 and between the coaxial cable and the insulator 6 with the hole. The coaxial cable 3 is connected and fixed with the fixed shell 4, the jack 7 and the insulator 6 with holes into a whole through soldering, so that the problem of impedance matching between the coaxial cable 3 and the contact pin 1 is solved.

The pin 1 is provided with a welding hole 12 leading to the jack 7, and the fixed shell 4 is provided with a tin injection hole 13 leading to the coaxial cable 3. The soldering tin is injected through the 12 holes of the welding hole for welding, the tin is injected through the 13 holes of the tin injection hole, the welding is convenient, and the reliability of the welding is ensured.

A silica gel layer 19 is arranged between the fixed shell 4 and the sleeve 5, and an epoxy glue layer 20 is arranged between the silica gel layer 19 and the tail end face of the sleeve 5. The fixed shell 4 is fixed in the sleeve 5 by silica gel, so that the fixed shell 4 is in close contact with the rear end face of the positioning insulator 2, and the sealing performance is ensured. The epoxy adhesive has good chemical stability, dimensional stability and mechanical property. The coaxial cable 3 in the sleeve is fixed by epoxy glue, the connector is well sealed, and the tensile degree between the 3 lines of the coaxial cable and the 3 connectors of the coaxial cable is improved.

The sleeve 5 is threaded on the outside of the end connected to the coaxial cable 3, and the sleeve 5 is provided with a connection nut 14 on the outside of the end of the head of the pin 1. The coaxial cable 3 connecting component can be connected into equipment with an inlet and an outlet being internal threads through threaded connection. The coaxial cable 3 connecting component can be connected with equipment connected through metal pipe insertion through a connecting nut 14

A rubber gasket 15 is provided between the coupling nut 14 and the sleeve 5. The rubber gasket 15 improves the stability of the coaxial cable 3 connecting component when the connecting nut 14 is used for connecting with equipment.

The coupling nut 14 is secured to the sleeve 5 by means of an elastic collar 16. The elastic clamping ring 16 is used for fixing the connecting screw cap, so that the installation is convenient, and the connecting screw cap 14 meeting the use requirement is convenient to replace.

According to the utility model, through the ingenious combination of the insulators and the combination of the insulators with the holes and the fixed contact pins, the adaptive connection of the thin coaxial cables and the large contact pins is realized, and then the contact pins, the coaxial cables, the insulators with the holes and the fixed shell are connected into a whole by soldering through the contact pins and the small holes in the fixed shell, so that the problem of impedance matching is solved. The welding is carried out through the small holes, and the coaxial cable core wire and the shielding layer are subjected to tin immersion treatment, so that the welding is convenient, and the welding reliability is ensured. And the glue is injected into the tail cavity of the sleeve, so that the tensile strength and the product sealing performance of the coaxial cable are ensured.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims

1. The utility model provides a coaxial cable coupling assembling, includes sleeve (5), location insulator (2), contact pin (1), coaxial cable (3), and sleeve (5) internal fixation has location insulator (2), and contact pin (1) is fixed at location insulator (2) center, and coaxial cable (3) include inner core (10), shielding layer (11), its characterized in that: the tail part of the contact pin (1) is provided with a jack (7), the rear end face of the positioning insulator (2) is provided with a positioning groove (17), the positioning groove (17) is filled with a porous insulator (6), the porous insulator (6) is attached to the tail end face of the contact pin (1), and the end face of the porous insulator (6) is provided with a positioning hole (8) for inserting the inner core (10) and the shielding layer (11);

the rear end face of the positioning insulator (2) is provided with a fixed shell (4), the center of the fixed shell (4) is provided with a fixed hole (9) for inserting the coaxial cable (3), an inner core (10) of the coaxial cable (3) is welded in the jack (7), and a soldering tin layer (18) is arranged among the coaxial cable (3), the fixed shell (4), the contact pin (1) and the insulator with the hole (6).

2. A coaxial cable connection assembly according to claim 1, wherein: the contact pin (1) is provided with a welding hole (12) leading to the jack (7), and the fixed shell (4) is provided with a tin injection hole (13) leading to the coaxial cable (3).

3. A coaxial cable connection assembly according to claim 2, wherein: a silica gel layer (19) is arranged between the fixed shell (4) and the sleeve (5), and an epoxy glue layer (20) is arranged between the silica gel layer (19) and the tail end face of the sleeve (5).

4. A coaxial cable connection assembly according to claim 3, wherein: the sleeve (5) is provided with a thread outside one end of the connecting coaxial cable (3), and the sleeve (5) is provided with a connecting nut (14) outside one end of the head of the inserting pin (1).

5. A coaxial cable connection assembly according to claim 4, wherein: a rubber gasket (15) is arranged between the connecting nut (14) and the sleeve (5).

6. A coaxial cable connection assembly according to claim 5, wherein: the coupling nut (14) is fixed to the sleeve (5) by means of an elastic collar (16).