A low intermodulation connector for 5G

Abstract

The present invention belongs to the field of communication technology, and specifically relates to a low intermodulation connector for 5G, including a mating connector male head and a connector female head and a protective cover assembly, the protective cover assembly includes a first sleeve and a second sleeve, the first sleeve includes a first sleeve outer tube and a first sleeve inner tube that are fixedly connected, an annular first card groove is formed between the first sleeve outer tube and the first sleeve inner tube, the connector male head is clamped in the first card groove, the second sleeve is arranged on the connector female head, the first sleeve inner tube is sleeved on the second sleeve, and a sealing ring is arranged between the front end of the second sleeve and the connector male head. The present invention arranges the first sleeve and the second sleeve as the protective cover of the connector, and arranges two sealing rings between the connector male head and the connector female head, which can fully play the role of protection, dustproof and waterproof, and the disassembly and assembly of the present invention is also very convenient.

Description

Technical Field

[0001] The present invention belongs to the field of communication technology, and specifically relates to a low intermodulation connector for 5G. Background Art

[0002] As an indispensable RF transmission component, RF coaxial connectors are convenient and reliable, low-cost, and have excellent performance. Therefore, they are widely used in various communication equipment and instruments. In recent years, with the rapid development of modern communication technology, the technical requirements of RF coaxial connectors for complete equipment have become increasingly higher, including wide bandwidth, low standing wave, miniaturization, multi-function, high reliability, fast connection, etc. At the same time, with the development and upgrading of communication systems, intermodulation performance in multi-band signal systems has also received increasing attention. New types of connectors have emerged in an endless stream, which has also put forward higher requirements for the design of connector products.

[0003] Existing RF coaxial connectors used for 5G technology generally use male and female heads directly in combination, lack protection at the joints, and are prone to dust accumulation and water ingress, causing damage to the connector. Summary of the invention

[0004] In order to make up for the deficiencies of the prior art, the present invention provides a low intermodulation connector technical solution for 5G.

[0005] The 5G-oriented low intermodulation connector comprises a matingly connected connector male head and a connector female head, and is characterized in that it also comprises a protective cover assembly, the protective cover assembly comprises a first sleeve and a second sleeve, the first sleeve comprises a first sleeve outer tube and a first sleeve inner tube fixedly connected, an annular first card groove is formed between the first sleeve outer tube and the first sleeve inner tube, the connector male head is clamped in the first card groove, the second sleeve is arranged on the connector female head, the first sleeve inner tube is sleeved on the second sleeve, and a sealing ring is arranged between the front end of the second sleeve and the connector male head.

[0006] The 5G-oriented low intermodulation connector is characterized in that a male connecting tube is arranged at the front end of the male connector for engaging with the first slot of the first sleeve, the tube hole diameter of the male connecting tube is larger than the interface diameter of the male connector for connecting the female connector, an inner step is formed between the two, and a first sealing ring, a spring and a second sealing ring are arranged in sequence from front to back between the male connecting tube and the female connector, the first sealing ring is against the inner step, and the second sealing ring is against the second sleeve.

[0007] The 5G-oriented low intermodulation connector is characterized in that a first protrusion is arranged on the outside of the male connecting tube, a second groove corresponding to the first protrusion is arranged on the inner wall of the outer tube of the first sleeve, and the first protrusion is embedded in the second groove.

[0008] The 5G-oriented low intermodulation connector is characterized in that an annular flange is provided on the outer wall of the rear end of the second sleeve, and a plurality of openings are provided around the front end of the second sleeve, so that the front end of the second sleeve forms a circle of mutually spaced tube segments, a second protrusion is provided on the outer wall of the front end of the tube segment, a third slot is formed between the annular flange and the second protrusion, and the inner tube of the first sleeve is embedded in the third slot.

[0009] The 5G-oriented low intermodulation connector is characterized in that the outer edges of the front and rear ends of the second protrusion are both first inclined surfaces, and the front and rear end faces of the inner tube of the first sleeve are both surrounded by multiple guide openings corresponding to the second protrusion of the second sleeve, and the guide openings have second inclined surfaces corresponding to the first inclined surfaces.

[0010] The 5G-oriented low intermodulation connector is characterized in that a plurality of fourth protrusions are arranged around the rear end of the second protrusion, a plurality of fifth grooves corresponding to the fourth protrusions are arranged around the front end face of the inner tube of the first sleeve, and the fourth protrusions are embedded in the fifth grooves.

[0011] The 5G-oriented low intermodulation connector is characterized in that an annular third protrusion is provided on the outer wall of the connector female head, an annular fourth groove is provided on the inner wall of the second sleeve, the third protrusion is embedded in the fourth groove, and the third protrusion can rotate around the fourth groove.

[0012] Compared with the prior art, the present invention provides a first sleeve and a second sleeve as protective sleeves for the connector, and two sealing rings are provided between the male connector and the female connector, which can fully play the role of protection, dustproof and waterproof, and the present invention is also very convenient for disassembly and assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is one of the structural schematic diagrams of the present invention;

[0014] Figure 2 This is the second schematic diagram of the structure of the present invention;

[0015] Figure 3 It is a schematic diagram of the second sleeve structure in the present invention;

[0016] Figure 4 for Figure 3 Middle AA section view;

[0017] Figure 5 It is a schematic diagram of the first sleeve structure in the present invention;

[0018] Figure 6 for Figure 5 BB section view in.

[0019] In the figure: connector male head 1, male connecting tube 10, first protrusion 100, inner step 11, connector female head 2, third protrusion 20, first sleeve 3, first sleeve outer tube 30, second groove 300, first sleeve inner tube 31, guide port 310, fifth groove 311, first groove 32, second sleeve 4, annular flange 40, opening 41, pipe sheet 42, second protrusion 43, third groove 44, fourth groove 45, fourth protrusion 46, first sealing ring 5, spring 6, second sealing ring 7. DETAILED DESCRIPTION

[0020] The present invention will be further described below in conjunction with the accompanying drawings.

[0021] like Figure 1-6 As shown, a low intermodulation connector for 5G includes a connector male head 1 and a connector female head 2 and a protective cover assembly that are matched and connected in a known manner. The protective cover assembly includes a first sleeve 3 and a second sleeve 4. The first sleeve 3 includes an integrally formed first sleeve outer tube 30 and a first sleeve inner tube 31. An annular first card groove 32 is formed between the first sleeve outer tube 30 and the first sleeve inner tube 31. The connector male head 1 is card-connected to the first card groove 32. The second sleeve 4 is arranged on the connector female head 2. The first sleeve inner tube 31 is sleeved on the second sleeve 4. A sealing ring is arranged between the front end of the second sleeve 4 and the connector male head 1.

[0022] As an optimized structure of the present invention: the front end of the connector male head 1 is provided with a male connecting tube 10 for engaging with the first slot 32 of the first sleeve 3, the connector male head 1 and the male connecting tube 10 are integrally formed, the tube hole diameter of the male connecting tube 10 is larger than the interface diameter of the connector male head 1 for connecting the connector female head 2, so that an inner step 11 is formed between the male connecting tube 10 and the connector male head 1, and a first sealing ring 5, a spring 6 and a second sealing ring 7 are sequentially arranged between the male connecting tube 10 and the connector female head 2 from front to back, the first sealing ring 5 is against the inner step 11, and the second sealing ring 7 is against the front end face of the second sleeve 4.

[0023] As an optimized structure of the present invention: an annular first protrusion 100 is arranged on the outside of the male connecting tube 10 , a second groove 300 corresponding to the first protrusion 100 is opened on the inner wall of the first sleeve outer tube 30 , and the first protrusion 100 is embedded in the second groove 300 .

[0024] As an optimized structure of the present invention: an annular flange 40 is provided on the outer wall at the rear end of the second sleeve 4, and a plurality of openings 41 are provided around the front end of the second sleeve 4, so that a circle of mutually spaced tube segments 42 are formed at the front end of the second sleeve 4, a second protrusion 43 is provided on the outer wall at the front end of the tube segment 42, a third groove 44 is formed between the annular flange 40 and the second protrusion 43, and a part of the inner side of the inner tube 31 of the first sleeve is embedded in the third groove 44.

[0025] As an optimized structure of the present invention: the outer edges of the front and rear ends of the second protrusion 43 are both first inclined surfaces, and the front and rear end faces of the first sleeve inner tube 31 are both surrounded by multiple guide openings 310 corresponding to the second protrusion 43 of the second sleeve 4, and the guide openings 310 have second inclined surfaces corresponding to the first inclined surfaces.

[0026] The 5G-oriented low intermodulation connector is characterized in that a plurality of fourth protrusions 46 are arranged around the rear end of the second protrusion 43, a plurality of fifth card grooves 311 corresponding to the fourth protrusions 46 are arranged around the front end face of the first sleeve inner tube 31, and the fourth protrusions 46 are embedded in the fifth card grooves 311.

[0027] As an optimized structure of the present invention: an annular third protrusion 20 is provided on the outer wall of the connector female head 2, an annular fourth groove 45 is provided on the inner wall of the second sleeve 4, the third protrusion 20 is embedded in the fourth groove 45, and the third protrusion 20 can rotate around the fourth groove 45.

[0028] The first sleeve 3 and the second sleeve 4 in the present invention are both plastic structures formed by one-step injection molding.

[0029] During installation, first clamp the first sleeve 3 onto the male connector 1, then insert the second sleeve 4 into the first sleeve 3, and finally insert the female connector 2 into the second sleeve 4, so that the male connector 1 and the female connector 2 are docked. During the process of inserting the second sleeve 4 into the first sleeve 3, a circle of tube segments 42 will be squeezed together by external force, and the second protrusion 43 on the tube segment 42 will smoothly pass through the corresponding guide opening 310 on the first sleeve 3, and then expand again after passing through the rear tube segment 42, and then slightly rotate the second sleeve 4, so that the second protrusion 43 avoids the front end guide opening 310 and the fourth protrusion 46 of the second sleeve 4 is embedded in the fifth slot 311 of the first sleeve, and under the action of the spring 6, the fourth protrusion 46 is tightly fitted with the fifth slot 311, Figure 1 The second sleeve 4 is in a state where it has just been inserted into the first sleeve 3 and has not been rotated. Figure 2 The second sleeve 4 is in a state where the fourth protrusion 46 is tightly matched with the fifth slot 311 after rotation. When disassembling, disassembly is performed in the reverse order.

[0030] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A 5G-oriented low intermodulation connector, comprising a mating connector male head (1) and a mating connector female head (2), characterized in that The protective sleeve assembly also includes a first sleeve (3) and a second sleeve (4), the first sleeve (3) including a first sleeve outer tube (30) and a first sleeve inner tube (31) that are fixedly connected, a first annular clamping groove (32) is formed between the first sleeve outer tube (30) and the first sleeve inner tube (31), the connector male head (1) is clamped in the first clamping groove (32), the second sleeve (4) is arranged on the connector female head (2), the first sleeve inner tube (31) is sleeved on the second sleeve (4), and a sealing ring is arranged between the front end of the second sleeve (4) and the connector male head (1); A male connecting tube (10) is provided at the front end of the connector male head (1) for engaging with a first engaging groove (32) of the first sleeve (3); the diameter of the tube hole of the male connecting tube (10) is larger than the diameter of the interface of the connector male head (1) for connecting with the connector female head (2); an inner step (11) is formed between the two; a first sealing ring (5), a spring (6) and a second sealing ring (7) are provided between the male connecting tube (10) and the connector female head (2) in sequence from front to back; the first sealing ring (5) abuts against the inner step (11), and the second sealing ring (7) abuts against the second sleeve (4); A first protrusion (100) is arranged on the outside of the male connecting tube (10), a second groove (300) corresponding to the first protrusion (100) is arranged on the inner wall of the first sleeve outer tube (30), and the first protrusion (100) is embedded in the second groove (300); An annular flange (40) is provided on the rear end outer wall of the second sleeve (4), and a plurality of openings (41) are provided around the front end of the second sleeve (4), so that a circle of mutually spaced tube segments (42) is formed at the front end of the second sleeve (4), a second protrusion (43) is provided on the front end outer wall of the tube segment (42), a third clamping groove (44) is formed between the annular flange (40) and the second protrusion (43), and the first sleeve inner tube (31) is embedded in the third clamping groove (44); The outer edges of both the front and rear ends of the second protrusion (43) are first inclined surfaces, and the front and rear end surfaces of the first sleeve inner tube (31) are both surrounded by a plurality of guide openings (310) corresponding to the second protrusion (43) of the second sleeve (4), and the guide openings (310) have second inclined surfaces corresponding to the first inclined surfaces; A plurality of fourth protrusions (46) are arranged around the rear end of the second protrusion (43); a plurality of fifth clamping grooves (311) corresponding to the fourth protrusions (46) are arranged around the front end surface of the first sleeve inner tube (31); and the fourth protrusions (46) are embedded in the fifth clamping grooves (311); An annular third protrusion (20) is provided on the outer wall of the connector female head (2), an annular fourth clamping groove (45) is provided on the inner wall of the second sleeve (4), the third protrusion (20) is embedded in the fourth clamping groove (45), and the third protrusion (20) can rotate around the fourth clamping groove (45).

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