Multi-channel high-power low-intermodulation connector

Abstract

The multi-channel high-power low-intermodulation connector comprises a socket assembly and a plug assembly, the plug assembly comprises a plug outer conductor, a plug insulating medium and a plug inner conductor, a plurality of first channel grooves are formed in the inner side of the end face of the first end of the plug outer conductor, and a plurality of second channel grooves are formed in the inner side of the end face of the second end of the plug outer conductor. A first channel groove is formed in the outer end of the plug outer conductor, a first step protruding inwards is arranged on the side wall of the lower portion of the first channel groove, one or more positioning keys are arranged on the outer side wall of the first end of the plug outer conductor, the plug insulating medium is arranged on the inner side of the bottom of the first step, and the plug inner conductor is arranged in a center hole of the plug insulating medium. According to the utility model, a single channel is integrated into multiple channels, and high-power, multi-channel, low-intermodulation and error-proof radio frequency signal connection is realized.

Description

Technical Field

[0001] The utility model relates to the field of connectors, in particular to a multi-channel high-power low intermodulation connector. Background Art

[0002] With increasingly fierce competition in the electronics and communications market and increasing carbon emission requirements, mobile communication equipment base station antennas and other equipment are facing higher requirements. Mobile companies have proposed the concept of "green antennas," which require high-power, low-loss antennas. Traditionally, a pair of antennas consists of eight or more single-channel signal transmission connectors connected to thin RF cables such as 0.141 inches, which takes up a lot of space and is labor-intensive and time-consuming to produce and install.

[0003] Therefore, it is necessary to provide a new technical solution. Utility Model Content

[0004] In order to solve the technical problems existing in the prior art, the utility model discloses a multi-channel high-power low intermodulation connector. The specific technical solution is as follows:

[0005] The utility model provides a multi-channel high-power low intermodulation connector, comprising a socket assembly and a plug assembly.

[0006] The plug assembly includes a plug outer conductor, a plug insulating medium and a plug inner conductor,

[0007] A plurality of first channel grooves are provided on the inner side of the first end surface of the outer conductor of the plug, a first step protruding inward is provided on the side wall of the lower part of the first channel groove, and one or more positioning keys are provided on the outer side wall of the first end of the outer conductor of the plug.

[0008] The plug insulating medium is arranged on the inner side of the bottom of the first step, and the outer side wall of the plug insulating medium contacts the inner side wall of the first step. A central hole is provided at the central position of the plug insulating medium.

[0009] The first end of the plug inner conductor is arranged in the central hole of the plug insulating medium, the second end of the plug inner conductor extends outward, and a first connecting groove recessed inward is arranged at the second end of the plug inner conductor.

[0010] Furthermore, the socket assembly includes a socket outer conductor, a socket insulating medium and a socket inner conductor.

[0011] The first end surface of the socket outer conductor is provided with a second connecting groove matching the first end surface of the plug outer conductor. The inner side wall of the second connecting groove covers the outer side wall of the first end of the plug outer conductor after insertion. The outer side wall of the first end of the socket outer conductor is provided with a positioning key groove matching the positioning key. The bottom of the second connecting groove is provided with a second channel groove facing the first channel groove downward. The inner diameter of the second channel groove is the same as the inner diameter of the first step.

[0012] The socket insulating medium is arranged in the second channel groove, and a center hole is arranged at the center of the socket insulating medium.

[0013] The first end of the socket inner conductor is arranged in the central hole of the second channel groove, the second end of the socket inner conductor extends outward into the second connecting groove, and the socket inner conductor is opposite to the first connecting groove. When plugged in, the socket inner conductor extends into the first connecting groove.

[0014] Furthermore, the plug assembly also includes a first contact head, which is an annular structure. The first contact head is arranged between the inner side of the first step and the plug insulating medium. The first end of the contact extends to the bottom of the first channel groove, and the second end of the first contact head extends to the end face of the first end of the outer conductor of the plug. The second end of the first contact head is evenly provided with multiple gaps along the circumferential direction, and the outer side wall of the second end of the first contact head is also evenly provided with multiple first protrusions protruding outward.

[0015] Furthermore, a second annular contact head is extended upward from the bottom of the second connecting groove, the inner diameter of the second contact head is larger than the diameter of the second channel groove and smaller than the outer diameter of the first protrusion, and the outer diameter of the second contact head is smaller than the diameter of the second connecting groove. When plugged in, the first contact head and the second contact head are in contact, and the outer conductor of the plug and the outer conductor of the socket are connected.

[0016] Furthermore, the inner side wall of the second contact head is trumpet-shaped, and its inner diameter gradually decreases from the outside to the inside.

[0017] Furthermore, the opening of the first connecting groove is evenly spaced apart in the axial direction, and a plurality of second protrusions protruding inwardly are evenly provided on the inner side of the opening of the first connecting groove.

[0018] Furthermore, a threaded sleeve is sleeved on the outer side of the outer conductor of the plug, and the threaded sleeve is fixedly connected to the outer side of the outer conductor of the socket by threads.

[0019] The utility model has the following beneficial effects:

[0020] The multi-channel, high-power, low-intermodulation connector provided by the utility model integrates a single channel into multiple channels, realizing the connection of multiple RF signal channels at one time. At the same time, it is compatible with RF cables with a size of 0.141 inches or larger to achieve high-power, multi-channel, low-intermodulation, and error-proof RF signal connection. The socket assembly and the plug assembly are inserted and engaged through keyway guidance to prevent incorrect or mis-insertion. After being inserted into place, the elastic structure of the first contact head and the second contact head realizes the contact and conduction between the inner conductor and the outer conductor, and finally locked by the screw sleeve.

[0021] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0023] Figure 1 It is a schematic diagram of the plugging structure of the multi-channel high-power low intermodulation connector provided by an embodiment of the present utility model.

[0024] Figure 2 It is a structural schematic diagram of the plug assembly provided by an embodiment of the present utility model.

[0025] Figure 3 It is a structural schematic diagram of the socket assembly provided by an embodiment of the present utility model.

[0026] The accompanying drawings are denoted as follows:

[0027] Plug assembly 10, plug outer conductor 11, plug insulating medium 12, plug inner conductor 13, first contact head 14, first channel groove 111, positioning key 112, screw sleeve 15;

[0028] And the socket assembly 20, the socket outer conductor 21, the socket insulating medium 22, the socket inner conductor 23, the second contact head 24, the positioning key groove 211, and the second channel groove 212. DETAILED DESCRIPTION

[0029] The following describes in detail embodiments of the present invention, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to explain the present invention, and should not be construed as limiting the present invention.

[0030] In the description of this utility model, it should be understood that the terms "upper," "lower," "top," "bottom," "inner," "outer," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In the description of this utility model, "plurality" means two or more, unless otherwise expressly and specifically defined.

[0031] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, indirect connection through an intermediate medium, internal communication between two components, or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0032] The utility model discloses a multi-channel high-power low intermodulation connector, referring to Figures 1 to 3 , including a plug assembly 10 and a socket assembly 20.

[0033] The plug assembly 10 includes a plug outer conductor 11 , a plug insulating medium 12 , a plug inner conductor 13 and a first contact 14 .

[0034] The inner side of the first end surface of the plug outer conductor 11 is provided with a plurality of first channel grooves 111, the side wall of the lower part of the first channel groove 111 is provided with a first step protruding inward, and the outer side wall of the first end of the plug outer conductor 11 is provided with one or more positioning keys 112. In one embodiment, the first channel groove 111 is provided with four

[0035] The plug insulating medium 12 is disposed inside the bottom of the first step, and the outer wall of the plug insulating medium 12 contacts the inner wall of the first step. A central hole is provided at the center of the plug insulating medium 12 .

[0036] The first end of the plug inner conductor 13 is disposed in the central hole of the plug insulating medium 12 , the second end of the plug inner conductor 13 extends outward, and a first connecting groove recessed inward is disposed at the second end of the plug inner conductor 13 .

[0037] The opening of the first connecting groove is evenly spaced apart in the axial direction, and a plurality of second protrusions protruding inwardly are evenly arranged on the inner side of the opening of the first connecting groove.

[0038] The first contact head 14 is an annular structure. The first contact head 14 is arranged between the inner side of the first step and the plug insulating medium 12. The first end of the contact extends to the bottom of the first channel groove 111, and the second end of the first contact head 14 extends to the end surface of the first end of the plug outer conductor 11. The second end of the first contact head 14 is evenly provided with multiple gaps along the circumferential direction, and the outer side wall of the second end of the first contact head 14 is also evenly provided with multiple first protrusions protruding outward.

[0039] The socket assembly 20 includes a socket outer conductor 21 , a socket insulating medium 22 , a socket inner conductor 23 and a second contact 24 .

[0040] The first end face of the socket outer conductor 21 is provided with a second connecting groove that matches the first end face of the plug outer conductor 11. After insertion, the inner side wall of the second connecting groove covers the outer side wall of the first end of the plug outer conductor 11. The outer side wall of the first end of the socket outer conductor 21 is provided with a positioning key groove 211 that matches the positioning key 112. The bottom of the second connecting groove is provided with a second channel groove 212 that is opposite to the first channel groove 111. The inner diameter of the second channel groove 212 is the same as the inner diameter of the first step.

[0041] The socket insulating medium 22 is disposed in the second channel groove 212 , and a center hole is provided at the center of the socket insulating medium 22 .

[0042] The first end of the socket inner conductor 23 is arranged in the center hole of the second channel groove 212, and the second end of the socket inner conductor 23 extends outward into the second connecting groove, and the socket inner conductor 23 is opposite to the first connecting groove. When plugged in, the socket inner conductor 23 extends into the first connecting groove.

[0043] The second contact head 24 is formed by extending upward from the bottom of the second connecting groove. The second contact head 24 is an annular structure. The inner diameter of the second contact head 24 is larger than the diameter of the second channel groove 212 and smaller than the outer diameter of the first protrusion. The outer diameter of the second contact head 24 is smaller than the diameter of the second connecting groove. When plugged in, the first contact head 14 and the second contact head 24 are in contact, and the plug outer conductor 11 and the socket outer conductor 21 are connected.

[0044] The inner sidewall of the second contact head 24 is trumpet-shaped, and its inner diameter gradually decreases from the outside to the inside.

[0045] The outer side of the plug outer conductor 11 is further provided with a threaded sleeve 25 , and the threaded sleeve 25 is fixedly connected to the outer side of the socket outer conductor 21 by a thread.

[0046] In the description of this specification, the reference terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification.

[0047] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are illustrative and cannot be understood as limitations of the present invention. Ordinary technicians in this field can change, modify and modify the above embodiments within the scope of the present invention.

Claims

1. A multi-channel high-power low intermodulation connector, characterized in that: Including socket assembly and plug assembly, The plug assembly includes a plug outer conductor, a plug insulating medium and a plug inner conductor, A plurality of first channel grooves are provided on the inner side of the first end surface of the outer conductor of the plug, a first step protruding inward is provided on the side wall of the lower part of the first channel groove, and one or more positioning keys are provided on the outer side wall of the first end of the outer conductor of the plug. The plug insulating medium is arranged on the inner side of the bottom of the first step, and the outer side wall of the plug insulating medium contacts the inner side wall of the first step. A central hole is provided at the central position of the plug insulating medium. The first end of the plug inner conductor is arranged in the central hole of the plug insulating medium, the second end of the plug inner conductor extends outward, and a first connecting groove recessed inward is arranged at the second end of the plug inner conductor.

2. The multi-channel high-power low intermodulation connector according to claim 1, characterized in that: The socket assembly includes a socket outer conductor, a socket insulating medium and a socket inner conductor, The first end surface of the socket outer conductor is provided with a second connecting groove matching the first end surface of the plug outer conductor. The inner side wall of the second connecting groove covers the outer side wall of the first end of the plug outer conductor after insertion. The outer side wall of the first end of the socket outer conductor is provided with a positioning key groove matching the positioning key. The bottom of the second connecting groove is provided with a second channel groove facing the first channel groove downward. The inner diameter of the second channel groove is the same as the inner diameter of the first step. The socket insulating medium is arranged in the second channel groove, and a center hole is arranged at the center of the socket insulating medium. The first end of the socket inner conductor is arranged in the central hole of the second channel groove, the second end of the socket inner conductor extends outward into the second connecting groove, and the socket inner conductor is opposite to the first connecting groove. When plugged in, the socket inner conductor extends into the first connecting groove.

3. The multi-channel high-power low intermodulation connector according to claim 2, characterized in that: The plug assembly also includes a first contact head, which is an annular structure. The first contact head is arranged between the inner side of the first step and the plug insulating medium. The first end of the contact head extends to the bottom of the first channel groove, and the second end of the first contact head extends to the end surface of the first end of the plug outer conductor. The second end of the first contact head is evenly provided with multiple gaps along the circumferential direction, and the outer side wall of the second end of the first contact head is also evenly provided with multiple first protrusions protruding outward.

4. The multi-channel high-power low intermodulation connector according to claim 3, characterized in that: The bottom of the second connecting groove also extends upward to form a second annular contact head. The inner diameter of the second contact head is larger than the diameter of the second channel groove and smaller than the outer diameter of the first protrusion. The outer diameter of the second contact head is smaller than the diameter of the second connecting groove. When plugged in, the first contact head and the second contact head are in contact, and the outer conductor of the plug and the outer conductor of the socket are connected.

5. The multi-channel high-power low intermodulation connector according to claim 4, characterized in that: The inner side wall of the second contact head is trumpet-shaped, and the inner diameter thereof decreases gradually from the outside to the inside.

6. The multi-channel high-power low intermodulation connector according to claim 2, characterized in that: The opening of the first connecting groove is evenly spaced apart in the axial direction, and a plurality of second protrusions protruding inwardly are evenly arranged on the inner side of the opening of the first connecting groove.

7. The multi-channel high-power low intermodulation connector according to claim 2, characterized in that: The outer side of the plug outer conductor is also sleeved with a screw sleeve, and the screw sleeve is fixedly connected to the outer side of the socket outer conductor by threads.

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