CN217690612U

CN217690612U - Radio frequency wire inner conductor structure

Info

Publication number: CN217690612U
Application number: CN202123379152.1U
Authority: CN
Inventors: 宋生宏; 戴海良
Original assignee: Kunshan Bailan Electronics Co ltd
Current assignee: Kunshan Bailan Electronics Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-10-28
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses a radio frequency wire rod inner conductor structure belongs to communications facilities technical field, and current radio frequency wire rod inner conductor, whole weight is heavier, and manufacturing cost is great, including the wire rod body, the wire rod body includes sleeve pipe and inner conductor body, the lateral surface of inner conductor body is provided with insulating cover, be provided with the shielding layer between sleeve pipe and the insulating cover, the outside cambered surface of inner conductor body is provided with the recess, the inboard cambered surface fixedly connected with lug of insulating cover, the recess cooperatees with the lug, the sleeve pipe includes wearing layer and PVC layer, be provided with elastic layer and fire-retardant layer between wearing layer and the PVC layer. The utility model discloses in, can attenuate the wall thickness of inner conductor body to save the material, reduced the manufacturing cost of enterprise, simultaneously, when meetting the condition of a fire, can effectually hold off the time of signal interruption under the condition of a fire.

Description

Radio frequency wire inner conductor structure

Technical Field

The utility model relates to a communication equipment technical field specifically is a radio frequency wire rod inner conductor structure.

Background

Radio frequency cables are cables that transmit electromagnetic energy in the radio frequency range, are indispensable components in various radio communication systems and electronic devices, and are widely used in the fields of wireless communication and broadcasting, television, radar, navigation, computers, instruments, and the like. Radio frequency cables, also known as coaxial cables, are composed of an inner conductor, an outer conductor, and a dielectric supporting the inner and outer conductors, which are coaxial with each other. The existing radio frequency wire inner conductor is mostly of a smooth copper pipe structure, the wall thickness of a copper pipe is large, so that the whole weight is heavy, the production cost is increased, the existing cable is wrapped by a sheath made of a polyvinyl chloride material, the flame-retardant effect of the polyvinyl chloride material is poor, the time of signal transmission cannot be effectively delayed when a fire occurs, and therefore the radio frequency wire inner conductor structure is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a radio frequency wire rod inner conductor structure to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: a radio frequency wire inner conductor structure comprises a wire body, wherein the wire body comprises a sleeve and an inner conductor body, an insulating sleeve is arranged on the outer side surface of the inner conductor body, and a shielding layer is arranged between the sleeve and the insulating sleeve;

the outer side cambered surface of the inner conductor body is provided with a groove, the inner side cambered surface of the insulating sleeve is fixedly connected with a lug, the groove is matched with the lug, the sleeve comprises a wear-resistant layer and a PVC layer, and an elastic layer and a flame-retardant layer are arranged between the wear-resistant layer and the PVC layer.

As a preferred technical scheme of the utility model, the sleeve pipe is located the outmost of wire rod body, the inner conductor body is located the inlayer of wire rod body.

As an optimal technical scheme of the utility model, the shielding layer adopts the copper strips welding to prick the line shaping or adopt to weave the structure, the shielding layer encircles and sets up in the outside cambered surface of insulating cover.

As an optimal technical scheme of the utility model, the quantity of recess has a plurality of and is the array distribution, the quantity of lug is unanimous with the quantity of recess and is the array distribution, the lug corresponds each other with the recess.

As a preferred technical scheme of the utility model, the side of insulating cover is run through and is provided with the opening, the opening cooperatees with the outside diameter of inner conductor body.

As the utility model discloses a preferred technical scheme, wear-resisting layer is located the sheathed tube outmost, the PVC level is located the sheathed tube inlayer, just the PVC layer cooperatees with the shielding layer.

As an optimal technical scheme of the utility model, the elastic layer bonds with fire-retardant layer mutually, the elastic layer is connected with the wearing layer in the one side on the flame-retardant layer dorsad, the one side on the flame-retardant layer dorsad elastic layer is connected with the PVC layer.

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

1. the utility model discloses, through the recess that sets up at the inner conductor body lateral surface, can attenuate the wall thickness of inner conductor body to save material, reduced the manufacturing cost of enterprise, simultaneously, be provided with the lug at the medial surface of insulating cover, through mutually supporting of lug and recess, and then make insulating cover and inner conductor body laminating inseparabler;

2. the utility model discloses, can protect the wire rod body through the PVC layer that sets up in the sleeve pipe, can carry out fire-retardantly through the fire-retardant layer that sets up in the side on PVC layer, drag and prolong the time of signal interruption under the condition of a fire, simultaneously, can increase the toughness of wire rod body through the elastic layer that sets up to and can reduce wearing and tearing through the wearing layer that sets up, thereby increase of service life.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention,

FIG. 2 is a schematic view of the structure of the inner conductor body of the present invention,

FIG. 3 is a schematic view of the structure of the insulating sheath of the present invention,

fig. 4 is a schematic diagram of the internal structure of the sleeve of the present invention.

In the figure: 1. a wire body; 2. a sleeve; 3. an inner conductor body; 4. an insulating sleeve; 5. a shielding layer; 6. a groove; 7. a port; 8. a bump; 9. a wear layer; 10. an elastic layer; 11. a flame retardant layer; 12. a PVC layer.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The embodiment is as follows: as shown in fig. 1-4, the utility model provides a radio frequency wire rod inner conductor structure, including wire rod body 1, wire rod body 1 includes sleeve pipe 2 and inner conductor body 3, sleeve pipe 2 is located the outmost of wire rod body 1, inner conductor body 3 is located the inlayer of wire rod body 1, the lateral surface of inner conductor body 3 is provided with insulating sleeve 4, the side of insulating sleeve 4 runs through and is provided with opening 7, opening 7 matches with the outer diameter of inner conductor body 3, be provided with shielding layer 5 between sleeve pipe 2 and insulating sleeve 4, shielding layer 5 adopts copper strips welding to prick line shaping or adopts the braided structure, shielding layer 5 encircles and sets up in the outside cambered surface of insulating sleeve 4;

the outer side cambered surface of the inner conductor body 3 is provided with a groove 6, the number of the grooves 6 is a plurality of grooves which are distributed in an array manner, the number of the lugs 8 is consistent with that of the grooves 6 and is distributed in an array manner, the lugs 8 correspond to the grooves 6, the wall thickness of the inner conductor body 3 can be reduced through the grooves 6, so that materials are saved, and the production cost of an enterprise is reduced;

sleeve pipe 2 includes wearing layer 9 and PVC layer 12, wearing layer 9 is located sleeve pipe 2 outmost, PVC layer 12 is located sleeve pipe 2's inlayer, and PVC layer 12 cooperatees with shielding layer 5, wearing and tearing can be reduced through the wearing layer 9 that sets up, thereby prolong life, PVC layer 12 through setting up in the sleeve pipe 2 can protect wire rod body 1, be provided with elastic layer 10 and fire-retardant layer 11 between wearing layer 9 and the PVC layer 12, elastic layer 10 bonds with fire-retardant layer 11 mutually, can fire-retardant through the fire-retardant layer 11 that sets up, delay the time of signal interruption under the condition of a fire, elastic layer 10 through setting up can increase wire rod body 1's toughness, elastic layer 10 is connected with wearing layer 9 in the one side of fire-retardant layer 11 dorsad, fire-retardant layer 11 is connected with PVC layer 12 in the one side of elastic layer 10 dorsad.

The working principle is as follows: when the utility model is used, the outer side surface of the inner conductor body 3 is provided with the groove 6, the wall thickness of the inner conductor body 3 can be thinned through the groove 6, so that the material is saved, the production cost of an enterprise is reduced, meanwhile, the inner side surface of the insulating sleeve 4 is provided with the lug 8, and the insulating sleeve 4 and the inner conductor body 3 are more tightly laminated through the mutual matching of the lug 8 and the groove 6;

can protect wire rod body 1 through the PVC layer 12 that sets up in the sleeve pipe 2, can carry out fire-retardant through the fire-retardant layer 11 that sets up in the side on PVC layer 12, delay the time of signal interruption under the condition of a fire, simultaneously, can increase wire rod body 1's toughness through the elastic layer 10 that sets up to and can reduce wearing and tearing through the wearing layer 9 that sets up, thereby increase of service life.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a radio frequency wire rod inner conductor structure, includes wire rod body (1), its characterized in that: the wire body (1) comprises a sleeve (2) and an inner conductor body (3), an insulating sleeve (4) is arranged on the outer side surface of the inner conductor body (3), and a shielding layer (5) is arranged between the sleeve (2) and the insulating sleeve (4);

the outside cambered surface of inner conductor body (3) is provided with recess (6), the inboard cambered surface fixedly connected with lug (8) of insulating cover (4), recess (6) cooperate with lug (8), sleeve pipe (2) are including wearing layer (9) and PVC layer (12), be provided with elastic layer (10) and fire-retardant layer (11) between wearing layer (9) and PVC layer (12).

2. The radio frequency wire inner conductor structure according to claim 1, wherein: the sleeve (2) is located on the outermost layer of the wire body (1), and the inner conductor body (3) is located on the innermost layer of the wire body (1).

3. The radio frequency wire inner conductor structure according to claim 1, wherein: the shielding layer (5) is formed by welding and binding a copper strip or is of a braided structure, and the shielding layer (5) is arranged around the outer arc surface of the insulating sleeve (4).

4. The radio frequency wire inner conductor structure according to claim 1, wherein: the quantity of recess (6) has a plurality of and is the array distribution, the quantity of lug (8) is unanimous with the quantity of recess (6) and is the array distribution, lug (8) and recess (6) correspond each other.

5. The radio frequency wire inner conductor structure according to claim 1, wherein: the side of insulating cover (4) runs through and is provided with opening (7), opening (7) cooperate with the external diameter of inner conductor body (3).

6. The radio frequency wire inner conductor structure according to claim 1, wherein: the wearing layer (9) is located the outmost layer of sleeve pipe (2), PVC layer (12) is located the inlayer of sleeve pipe (2), just PVC layer (12) cooperatees with shielding layer (5).

7. The radio frequency wire inner conductor structure according to claim 1, wherein: the elastic layer (10) is bonded with the flame-retardant layer (11), one surface of the elastic layer (10), which is back to the flame-retardant layer (11), is connected with the wear-resistant layer (9), and one surface of the flame-retardant layer (11), which is back to the elastic layer (10), is connected with the PVC layer (12).