CN215645078U

CN215645078U - Cable joint assembly

Info

Publication number: CN215645078U
Application number: CN202120551185.0U
Authority: CN
Inventors: 熊峰; 苏小兵; 杨国政
Original assignee: Foshan Tiancitong Antenna Technology Co ltd
Current assignee: Foshan Tiancitong Antenna Technology Co ltd
Priority date: 2021-03-17
Filing date: 2021-03-17
Publication date: 2022-01-25
Anticipated expiration: 2031-03-17

Abstract

The utility model provides a cable joint component, which is characterized in that a protection installation component and an outer conductor are independently arranged, the size and the structure of the outer conductor can be made into a standard module, and the outer conductor does not need to be changed due to the fact that the cable joint component is matched with different products; the protection installation component and the outer conductor are separately and independently arranged, and can be made of different insulating materials according to requirements, when the cable joint component needs to be matched with different products for installation, the shape of the protection installation component is only required to be changed for matched installation, and the cost of the whole cable joint component can be effectively reduced; the protection installation component extends and covers from the positioning part of the outer conductor to the outer surface of the coaxial cable along the length direction, completely wraps the welding part of the outer conductor and the coaxial cable, and extends for enough length towards the coaxial cable direction, so that the protection effect is better.

Description

Cable joint assembly

Technical Field

The utility model relates to the technical field of supporting devices of products such as mobile communication equipment, such as antennas and the like, in particular to a cable joint component.

Background

The cable joint component is an indispensable key device of a radio frequency transmission system of equipment such as a mobile communication antenna and the like, and the protective structure of the high-temperature welding connection part and the installation interface provided by the component have important influence on key performance such as intermodulation index of an antenna product and the like and electric reliability.

As shown in fig. 1, the conventional cable joint assembly has the following disadvantages: (1) the cable joint assembly that is usually used is mostly divided into two parts, namely a connector and a coaxial cable 01, the connector includes an outer conductor 02 and an inner conductor 03, a mounting interface 05 (such as a flange mounting seat, a thread mounting structure, a tail cable outgoing line mounting structure, and the like) of the cable joint assembly, which is mounted in a matching manner with other mounting components, is directly and integrally arranged on the circumferential surface of the outer conductor 02 (generally, a worker turns the mounting interface 05 on the circumferential surface of the outer conductor 02), so that the volume of the outer conductor 02 is large, the outer conductor 02 is generally made of noble metals with good conductivity, such as phosphor bronze, red copper, brass, and the like, and the cost of the product is seriously influenced by the outer conductor 02 with an excessively large volume; and the shape of the outer conductor 02 is changed as the fitting of the fitting parts with different structures is matched. (2) And a heat shrinkable tube 04 is adopted at the welding position of the connector and the coaxial cable 01 for protection, so that the protection performance of the cable joint component is poor. (3) The direct integrative setting of installing interface 05 on outer conductor 02, it is troublesome to install when installing with other installation component cooperations, and easily causes the deterioration of electric index because of the improper installation (because of installing interface 05 and outer conductor 02 integrative setting, if the structure installation of installing interface 05 department arouses the intermodulation unstability scheduling problem of antenna easily).

Therefore, the prior art has yet to be improved.

Disclosure of Invention

It is an object of the present invention to provide a cable connector assembly that solves one or more of the problems set forth above.

The technical scheme of the utility model is as follows: the technical scheme provides a cable joint component, which comprises a coaxial cable, a connector and a protective mounting component, wherein the connector comprises an outer conductor and an inner conductor, the inner conductor is connected with a core wire of the coaxial cable, the inner conductor and the coaxial cable are pressed into the outer conductor from the front end surface of the outer conductor to be positioned and assembled with the outer conductor, and the coaxial cable is fixedly connected with the rear end of the outer conductor through welding; the protection installation component is sleeved on the outer surface of the outer conductor, the protection installation component completely covers the welding position of the coaxial cable and the outer conductor for protection, and the protection installation component is installed and connected with a product which needs to be installed in a matched mode through the cable joint component.

In the technical scheme, the protection installation assembly and the outer conductor are independently arranged, the size and the structure of the outer conductor can be made into a standard module, and the outer conductor does not need to be changed due to the fact that the cable joint assembly is matched with different products; because of separately independent setting with the outer conductor, when the cable joint subassembly needs the different product installation of adaptation, only need change the shape of protection installation component cooperate the installation can, can effectively reduce whole cable joint subassembly's cost.

Furthermore, a root part arranged along the circumferential direction of the outer surface of the outer conductor is arranged on the outer surface of the outer conductor, the root part is positioned between the rear end and the front end surface of the outer conductor, and the root part protrudes outwards relative to the outer surface of the rear end to form a stepped structure; the outer surface of the rear end is provided with a circle of bulges arranged along the circumferential direction of the outer surface of the rear end, and the bulges are arranged at one end of the rear end close to the root.

Furthermore, a positioning part is arranged on the outer surface of the outer conductor along the circumferential direction of the outer surface of the outer conductor, and a stepped structure which is matched with the positioning part for positioning and installation is arranged on the inner surface of the protection installation component.

Further, the positioning part is located between the root part and the front end face, and the positioning part protrudes outwards relative to the outer surface of the root part to form a stepped structure.

Further, the shield mounting assembly extends lengthwise from an outer surface of the outer conductor all the way to the outer surface of the coaxial cable.

Further, the protective mounting assembly is configured as a flange mounting structure.

Further, the protection installation component is arranged into a thread installation structure, and an external thread is arranged on the outer surface of the protection installation component.

Furthermore, the protection installation component is arranged into a tail cable outgoing line structure to protect a tail cable outgoing line of the coaxial cable.

Further, the protective mounting component is made of an insulating material.

Furthermore, a positioning datum plane is arranged on the outer surface of the outer conductor along the circumferential direction of the outer surface of the outer conductor, the positioning datum plane is located between the positioning portion and the front end face, and the positioning datum plane protrudes outwards relative to the outer surface of the positioning portion to form a stepped structure.

Therefore, the protective installation assembly and the outer conductor are independently arranged, the size and the structure of the outer conductor can be made into a standard module, and the outer conductor does not need to be changed due to the fact that the cable joint assembly is matched with different products; the protection installation component and the outer conductor are separately and independently arranged, and can be made of different insulating materials according to requirements, when the cable joint component needs to be matched with different products for installation, the shape of the protection installation component is only required to be changed for matched installation, and the cost of the whole cable joint component can be effectively reduced; the protection installation component extends and covers from the positioning part of the outer conductor to the outer surface of the coaxial cable along the length direction, completely wraps the welding part of the outer conductor and the coaxial cable, and extends for enough length towards the coaxial cable direction, so that the protection effect is better.

Drawings

Fig. 1 is a schematic view of a prior art cable connector assembly.

Fig. 2 is a schematic view of the protective mounting assembly of the cable connector assembly of the present invention arranged in a flange mounting configuration.

Fig. 3 is a schematic view of the protective mounting assembly of the cable connector assembly of the present invention in a threaded mounting configuration.

Fig. 4 is a schematic view of the protective mounting assembly of the cable connector assembly of the present invention in a pigtail configuration.

Reference numerals

A coaxial cable 1; a protective mounting assembly 3; an outer conductor 4; a front end face 41; a rear end 42; a root portion 43; a projection 44; a positioning portion 45; a positioning reference surface 46; an inner conductor 5; and a nut 6.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the utility model. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.

As shown in fig. 2 to 4, a cable joint assembly includes a coaxial cable 1, a connector and a protective mounting assembly 3, wherein the connector includes an outer conductor 4 and an inner conductor 5, the inner conductor 5 is connected with a core wire of the coaxial cable 1, the inner conductor 5 and the coaxial cable 1 are pressed into the outer conductor 4 from a front end face 41 of the outer conductor 4 to be positioned and assembled with the outer conductor 4, and the coaxial cable 1 is fixedly connected with a rear end 42 of the outer conductor 4 by welding; the protection installation component 3 is sleeved on the outer surface of the outer conductor 4, the protection installation component 3 completely covers the welding position of the coaxial cable 1 and the outer conductor 4 for protection, and the protection installation component 3 is installed and connected with a product which needs to be installed in a matched mode through a cable joint component.

In some embodiments, in order to make the coaxial cable 1 more firmly welded to the rear end of the outer conductor 4, a root portion 43 is provided on the outer surface of the outer conductor 4, the root portion 43 is circumferentially arranged along the outer surface of the outer conductor 4, the root portion 43 is located between the rear end 42 and the front end face 41 of the outer conductor 4, and the root portion 43 protrudes outwards relative to the outer surface of the rear end 42 to form a stepped structure; a circle of protrusions 44 arranged along the circumferential direction of the outer surface of the rear end 42 is arranged on the outer surface of the rear end 42, and the protrusions 44 are arranged on one end of the rear end 42 close to the root 43. When the coaxial cable 1 is welded with the rear end of the outer conductor 4, the electrode of the resistance welding machine directly contacts with the protrusion 44 to heat, so that the temperature of the inner surface of the outer conductor 4 corresponding to the protrusion 44 is higher than that of the inner surface of the outer conductor 4 corresponding to the end part of the rear end 42, and the soldering tin in a molten state enters the inner surface of the outer conductor 4 corresponding to the protrusion 44 from the end part of the rear end 42 due to the temperature-taxis of the soldering tin, so that a gap between the inner surface of the outer conductor 4 and the coaxial cable 1 is filled, and the welding effect is improved.

In order to facilitate quick installation with the protective installation component 3, a positioning part 45 arranged along the circumferential direction of the outer surface of the outer conductor 4 is arranged on the outer surface of the outer conductor 4, the positioning part 45 is positioned between the root part 43 and the front end surface 41, and the positioning part 45 protrudes outwards relative to the outer surface of the root part 43 to form a stepped structure; and a stepped structure which is matched with the positioning part 45 for positioning and installation is arranged on the inner surface of the protection installation component 3.

In order to improve the protection of the cable joint assembly, the protection installation assembly 3 extends from the outer surface of the outer conductor 4 to the outer surface of the coaxial cable 1 along the length direction. In this embodiment, the shield mounting assembly 3 extends and covers from the positioning portion 45 of the outer conductor 4 to the outer surface of the coaxial cable 1 along the length direction. The protection of the protection installation component 3 completely wraps the welding part of the outer conductor 4 and the coaxial cable 1 and extends enough length towards the direction of the coaxial cable 1, so that the protection effect is better.

In some embodiments, the protective mounting assembly 3 can be configured into different shapes according to different products to be installed in cooperation with the cable connector assembly: (1) as shown in fig. 2, the protection installation component 3 is configured as a flange installation structure, the flange installation structure is sleeved on the outer surface of the outer conductor 4, and the flange installation structure completely covers the welding position of the coaxial cable 1 and the outer conductor 4 for protection; the flange mounting structure is mounted on a mounting surface such as an antenna base plate or an antenna end cover by means of bolts or the like. (2) As shown in fig. 3, the protection mounting component 3 is provided as a threaded mounting structure, and an external thread is provided on the outer surface of the protection mounting component 3; the protective mounting component 3 of the thread mounting structure is mounted on mounting surfaces such as an antenna end cover through thread connection. In order to ensure the stability of the protective installation component 3 with the thread installation structure after being installed on an installation surface, after the protective installation component 3 is installed on the installation surface, a nut 6 with a self-locking structure is screwed into the end part of the protective installation component, the tail end of the thread of the nut 6 is provided with an opening, and the opening expansion locking is realized in the process that the nut 6 is screwed into the end part of the protective installation component; the nut 6 is made of glass fiber reinforced nylon material. (3) As shown in fig. 4, the protection installation component 3 is arranged in a pigtail structure to protect the pigtail of the coaxial cable 1.

Wherein, the protection installation component 3 can be made of various insulating materials according to actual needs. In this embodiment, the protection installation component 3 is made of glass fiber reinforced ASA (Acrylonitrile Styrene acrylate copolymer, engineering plastic, which is a graft copolymer of an acrylate rubber body and Acrylonitrile and Styrene)/ABS (ABS plastic is a terpolymer of three monomers of Acrylonitrile (a), butadiene (B), and Styrene (S)), and other suitable materials. The plastic has low cost and simple preparation process, and meets the production requirement of low cost.

Wherein, the installation mode of the protection installation component 3, the coaxial cable 1 and the outer conductor 4 can be set according to actual needs, such as: (1) after the protection installation component 3 is prepared through an injection molding process, the protection installation component 3 is sleeved on the outer surface of the outer conductor 4, and the welding position of the coaxial cable 1 and the outer conductor 4 is completely covered by the protection installation component 3 for protection. (2) Or the installed coaxial cable 1, the inner conductor 5 and the outer conductor 4 are placed into an injection mold, and injection molding is carried out on the injection mold to obtain the protection installation component 3 which forms an integral structure with the installed coaxial cable 1, the installed inner conductor 5 and the installed outer conductor 4. In this processing mode, in order to facilitate the positioning in cooperation with the injection mold, a positioning reference surface 46 is provided on the outer surface of the outer conductor 4, the positioning reference surface 46 is provided along the circumferential direction of the outer surface of the outer conductor 4, the positioning reference surface 46 is located between the positioning portion 45 and the front end surface 41, and the positioning reference surface 46 protrudes outward relative to the outer surface of the positioning portion 45 to form a stepped structure; when the coaxial cable 1, the inner conductor 5 and the outer conductor 4 which are already installed are placed in an injection mold, the positioning reference surface 46 is positioned and installed with the injection mold.

Wherein, in order to simplify the preparation, can adopt same set of mould when preparing the protection installation component 3 of different structures, through putting into different inserts in the mould with the protection installation component 3 of injection moulding different structures.

In the technical scheme, the protective installation component 3 and the outer conductor 4 are independently arranged, the size and the structure of the outer conductor 4 can be made into a standard module, and the outer conductor 4 does not need to be changed due to the fact that the cable joint component is matched with different products; the protection installation component 3 and the outer conductor 4 are separately and independently arranged, so that different insulating materials can be adopted to manufacture the protection installation component 3 according to requirements, when the cable joint component needs to be matched with different products for installation, only the shape of the protection installation component 3 needs to be changed for matched installation, and the cost of the whole cable joint component can be effectively reduced; the protection installation component 3 extends and covers from the positioning part 45 of the outer conductor 4 to the outer surface of the coaxial cable 1 along the length direction, completely wraps the welding part of the outer conductor 4 and the coaxial cable 1, and extends for a sufficient length towards the coaxial cable 1, so that the protection effect is better.

In the description herein, references to the description of the terms "one embodiment," "certain embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

It is to be understood that the utility model is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the utility model as defined by the appended claims.

Claims

1. A cable joint assembly, comprising a coaxial cable (1), a connector and a protective mounting assembly (3), wherein the connector comprises an outer conductor (4) and an inner conductor (5), the inner conductor (5) is connected with a core wire of the coaxial cable (1), the inner conductor (5) and the coaxial cable (1) are pressed into the outer conductor (4) from a front end face (41) of the outer conductor (4) to be positioned and assembled with the outer conductor (4), and the coaxial cable (1) is fixedly connected with a rear end (42) of the outer conductor (4) by welding; the protection installation component (3) is sleeved on the outer surface of the outer conductor (4), the protection installation component (3) is used for completely covering the welding position of the coaxial cable (1) and the outer conductor (4) for protection, and the protection installation component (3) is installed and connected with a product which needs to be installed in a matched mode through the cable joint component.

2. The cable joint assembly according to claim 1, wherein a root portion (43) is provided on the outer surface of the outer conductor (4) and circumferentially arranged along the outer surface of the outer conductor (4), the root portion (43) is located between a rear end (42) and a front end face (41) of the outer conductor (4), and the root portion (43) is outwardly convex relative to the outer surface of the rear end (42) to form a stepped structure; a circle of protrusions (44) are arranged on the outer surface of the rear end (42) along the circumferential direction of the outer surface of the rear end (42), and the protrusions (44) are arranged at one end, close to the root portion (43), of the rear end (42).

3. The cable joint assembly according to claim 2, wherein a positioning portion (45) is arranged on the outer surface of the outer conductor (4) along the circumferential direction of the outer surface of the outer conductor (4), and a stepped structure is arranged on the inner surface of the protective mounting assembly (3) and is matched with the positioning portion (45) for positioning and mounting.

4. The cable joint assembly according to claim 3, wherein the positioning portion (45) is located between the root portion (43) and the front end face (41), the positioning portion (45) being outwardly convex with respect to the outer surface of the root portion (43) to form a stepped structure.

5. The cable joint assembly of claim 1, wherein the shield mounting assembly (3) extends lengthwise from the outer surface of the outer conductor (4) all the way to the outer surface of the coaxial cable (1).

6. The cable joint assembly according to claim 1, wherein the protective mounting assembly (3) is provided as a flange mounting structure.

7. The cable joint assembly of claim 1, wherein the protective mounting assembly (3) is provided as a threaded mounting structure, and wherein an external thread is provided on an outer surface of the protective mounting assembly (3).

8. Cable joint assembly according to claim 1, wherein the protective mounting assembly (3) is arranged in a pigtail configuration for protecting pigtails of coaxial cables (1).

9. Cable joint assembly according to claim 1, wherein the protective mounting assembly (3) is made of an insulating material.

10. The cable joint assembly according to claim 4, wherein a positioning reference surface (46) arranged along the circumferential direction of the outer surface of the outer conductor (4) is arranged on the outer surface of the outer conductor (4), the positioning reference surface (46) is positioned between the positioning part (45) and the front end surface (41), and the positioning reference surface (46) protrudes outwards relative to the outer surface of the positioning part (45) to form a stepped structure.