Dustproof and waterproof radio frequency coaxial connector

By employing a multi-layer sealing design in the RF coaxial connector, including rubber rings, connectors, limiting mechanisms, and sealing rings, the problem of dust and moisture intrusion is solved, ensuring signal transmission stability and simplifying the disassembly process.

CN223566972UActive Publication Date: 2025-11-18JIANGSU MINGLIAN ELECTRONICS TECH
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Patent Information

Application Number
CN202423085199.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-13
Publication Date
2025-11-18
Estimated Expiration
2034-12-13

AI Technical Summary

Technical Problem

In practical applications, RF coaxial connectors are easily intruded by dust and moisture, which affects signal transmission and makes disassembly difficult later.

Method used

The connector employs a multi-layer sealing design, including rubber rings, connectors, limiting mechanisms, sealing gaskets, and sealing ring plates, to ensure internal sealing and prevent dust and moisture from entering. The limiting mechanism also facilitates disassembly later.

Benefits of technology

It achieves stable signal transmission and corrosion resistance of the RF coaxial connector, and simplifies the disassembly process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of radio frequency coaxial connectors, in particular to a dustproof and waterproof radio frequency coaxial connector which comprises a plug and a socket, one side of the plug is connected with the socket through a conductive column and an insertion core, a sealing gasket is installed on the inner side of the plug, and positioning grooves are formed in the upper side and the lower side of the top end of the plug. A limiting mechanism is installed on the side, away from the center point of the plug, of the positioning groove, a rubber sleeve is installed on one side of the limiting mechanism, a sealing ring is installed in the middle of the socket, connecting pieces are fixedly connected to the inner sides of the upper end and the lower end of the sealing ring, and positioning blocks used for guiding are welded and fixed to the upper end and the lower end of one side of the socket. According to the radio frequency coaxial connector, the connecting conductor in the radio frequency coaxial connector is sealed in a multi-layer mode, the good sealing effect can be achieved, the stability of signal transmission of the radio frequency coaxial connector is guaranteed, meanwhile, the structure used for connecting the radio frequency coaxial connector is sealed, and the problem that the connecting structure is difficult to disassemble in the later period due to corrosion of the connecting structure position can be solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to radio frequency coaxial connector technical field, concretely is a dustproof waterproof radio frequency coaxial connector. BACKGROUND

[0002] Radio frequency coaxial connector is a kind of connector for radio frequency band, it is mainly used to connect the signal transmission between coaxial cable and radio frequency equipment;

[0003] This connector is widely used in communication equipment, weapon system, instrument and meter and household appliance because it has good broadband transmission characteristics and various convenient connection modes;

[0004] In the actual application process of radio frequency coaxial connector, if dust and water vapor enter the connecting place, it will affect the effect of radio frequency coaxial connector signal transmission, and will cause the problem that later disassembly is more troublesome, therefore, aiming at the above problems, a dustproof waterproof radio frequency coaxial connector is provided. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a dustproof waterproof radio frequency coaxial connector to solve the problem that if dust and water vapor enter the connecting place in the actual application process of radio frequency coaxial connector, it will affect the effect of radio frequency coaxial connector signal transmission, and will cause the problem that later disassembly is more troublesome.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A dustproof waterproof radio frequency coaxial connector, including plug and socket, the plug side is connected with socket through conducting column, plug core, the plug inboard is installed with sealing pad, the plug top end upper side and lower side are all set with positioning slot, the positioning slot side away from plug center point is installed with limiting mechanism, the limiting mechanism one side is installed with rubber sleeve, the socket middle is installed with sealing ring, the sealing ring upper end and lower end inboard are all fixedly connected with connecting piece, the socket one side upper end and lower end are all welded with the positioning block for guiding, the socket top end is fixedly connected with sealing ring plate multiple;The limiting mechanism includes limiting column, the limiting column one end is fixedly connected with piston plate through cylinder, the piston plate other end is fixedly connected with telescopic spring, the telescopic spring is installed in the sealing shell interior, the sealing shell periphery is set with air inlet, the limiting column, cylinder and piston plate middle are set with center hole.

[0008] As the further optimization of the utility model, wherein: the socket is installed in the plug interior, the socket, plug, conducting column and plug core coaxial heart arrangement.

[0009] As a further optimization of this utility model, the connector includes a connecting post, the inner side of which is provided with a positioning hole corresponding to the limiting mechanism, and the connector is connected to the plug through a positioning groove.

[0010] As a further optimization of this utility model, the positioning blocks are provided in two parts, and the plug has two guide grooves inside that are adapted to the positioning blocks, with a one-to-one correspondence between the positioning blocks and the guide grooves.

[0011] As a further optimization of this utility model, the cylinder is fixedly connected to the bottom end of the sealing shell, the interior of the sealing shell is hollowed out, the lateral projection of the sealing shell is T-shaped, and a cavity is formed between the sealing shell and the rubber sleeve.

[0012] As a further optimization of this utility model, the sealing ring plates are provided in multiples, arranged on the same plane, and of different sizes, with the sealing ring plates sharing the same axis.

[0013] As a further optimization of this utility model, the bottom end of the limiting post is arc-shaped, the limiting post is adapted to the positioning hole, and the central hole penetrates the limiting post.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] In this invention, the internal conductors of the RF coaxial connector are sealed in multiple layers by means of rubber rings, connectors, limiting mechanisms, sealing gaskets, and sealing ring plates, which can achieve a good sealing effect and ensure the stability of signal transmission of the RF coaxial connector. At the same time, sealing the structure used for connecting the RF coaxial connector can prevent corrosion at the connection structure location, which would cause problems such as difficulty in disassembly later. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a cross-sectional view of the plug of this utility model;

[0018] Figure 3 This utility model Figure 2 Schematic diagram of the structure at point A in the middle;

[0019] Figure 4 This utility model Figure 2 Schematic diagram of the structure at point B;

[0020] Figure 5 This is a schematic diagram of the limiting mechanism of this utility model.

[0021] In the picture: 1. Plug; 2. Socket;

[0022] 3, connecting piece; 31, connecting column; 32, positioning hole;

[0023] 4, positioning block; 5, sealing ring plate; 6, ferrule;

[0024] 7, limiting mechanism; 71, limiting column; 72, cylinder; 73, piston plate; 74, extension spring; 75, center hole; 76, sealing shell; 77, air inlet hole;

[0025] 8, sealing gasket; 9, conductive column; 10, positioning groove; 11, rubber sleeve; 12, sealing ring. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0027] It should be noted that the terms used herein are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and furthermore, it should be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, operation, device, component and / or combination thereof.

[0028] Please refer to Figures 1-5 The utility model provides a technical scheme:

[0029] A dustproof and waterproof radio frequency coaxial connector, comprising a plug 1 and a socket 2, the plug 1 is connected with the socket 2 through the conductive column 9 and the ferrule 6 on one side, the plug 1 is internally provided with the sealing gasket 8, the plug 1 is provided with the positioning groove 10 on the top and the bottom, the positioning groove 10 is provided with the limiting mechanism 7 on the side away from the center point of the plug 1, the limiting mechanism 7 is provided with the rubber sleeve 11 on one side, the socket 2 is provided with the sealing ring 12 in the middle, the sealing ring 12 is fixedly connected with the connecting piece 3 on the inner side of the upper end and the lower end, the socket 2 is welded and fixed with the positioning block 4 for guiding on the upper end and the lower end on one side, the socket 2 is fixedly connected with the sealing ring plate 5 on the top; the limiting mechanism 7 comprises the limiting column 71, one end of the limiting column 71 is fixedly connected with the piston plate 73 through the cylinder 72, the other end of the piston plate 73 is fixedly connected with the extension spring 74, the extension spring 74 is installed in the sealing shell 76, the sealing shell 76 is provided with the air inlet hole 77 around, and the center hole 75 is formed in the middle of the limiting column 71, the cylinder 72 and the piston plate 73.

[0030] As a further implementation of the present scheme, the socket 2 is installed inside the plug 1, and the socket 2, the plug 1, the conductive column 9 and the plug core 6 are coaxially arranged, through the above arrangement, the stability of the connection between the plug 1 and the socket 2 can be further improved;

[0031] As a further implementation of the present scheme, the connecting piece 3 comprises a connecting column 31, a positioning hole 32 corresponding to the limiting mechanism 7 is formed in the inner side of the connecting column 31, and the connecting piece 3 is connected with the plug 1 through the positioning slot 10, through the above arrangement, stable limiting can be carried out during the connection between the plug 1 and the socket 2;

[0032] As a further implementation of the present scheme, two positioning blocks 4 are arranged, two guide grooves corresponding to the positioning blocks 4 are formed in the plug 1, the positioning blocks 4 and the guide grooves are one-to-one corresponding, through the above arrangement, the connecting piece 3 can be guided to ensure that the connecting piece 3 is accurately connected with the positioning slot 10;

[0033] As a further implementation of the present scheme, the cylindrical column 72 is fixedly connected with the bottom end of the sealing shell 76, the inside of the sealing shell 76 is hollow, the transverse projection of the sealing shell 76 is T-shaped, and the sealing shell 76 and the rubber sleeve 11 form a cavity, through the above arrangement, the position of the limiting column 71 can be controlled through the rubber sleeve 11;

[0034] As a further implementation of the present scheme, a plurality of sealing ring plates 5 are arranged, the sealing ring plates 5 are arranged on the same plane, and the sizes of the sealing ring plates 5 are different, and the sealing ring plates 5 are coaxial, through the above arrangement, the sealing effect of the connection between the plug core 6 and the conductive column 9 can be further improved;

[0035] As a further implementation of the present scheme, the bottom end of the limiting column 71 is arc-shaped, the limiting column 71 is matched with the positioning hole 32, and the center hole 75 penetrates the limiting column 71, through the above arrangement, the stability of the plug 1 and the socket 2 during the plug-in process can be improved.

[0036] Workflow: In the process of assembling the dustproof and waterproof RF coaxial connector together for use, the staff first aligns the positioning block 4 with the guide groove in the plug 1, then connects the socket 2 with the plug 1, in the process of connection, the conductive column 9 and the plug 6 are connected to realize the signal transmission of the RF coaxial connector, at the same time, the connecting column 31 enters the positioning groove 10, after the connecting column 31 completely enters the positioning groove 10, the limiting column 71 is connected with the connecting column 31 through the positioning hole 32 to realize the positioning between the plug 1 and the socket 2, in this process, the sealing ring 12 can seal the connection between the plug 1 and the socket 2, at the same time, the sealing ring plate 5 provided with multiple sealing rings 8 is tightly attached to realize the comb tooth sealing, so as to ensure the sealing effect of the connecting position of the conductive column 9 and the plug 6, in the process of separating the plug 1 and the socket 2 in the later period, the staff extrudes the rubber sleeve 11, after the rubber sleeve 11 is extruded, the air in the cavity between the rubber sleeve 11 and the limiting mechanism 7 enters the lower side of the sealing shell 76 through the air inlet hole 77, after the lower side of the sealing shell 76 enters the air, the piston plate 73 is pushed to move to the telescopic spring 74 direction, so as to control the limiting column 71 to move out of the positioning hole 32, then the staff can separate the plug 1 and the socket 2.

[0037] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A dust and water resistant radio frequency coaxial connector comprising a plug (1) and a socket (2), characterized in that: The plug (1) is connected with the socket (2) through the conductive column (9) and the plug core (6) on one side, the plug (1) is internally provided with a sealing gasket (8), the plug (1) is provided with a positioning groove (10) on the top side and the lower side, a limiting mechanism (7) is mounted on the side of the positioning groove (10) away from the center point of the plug (1), a rubber sleeve (11) is mounted on one side of the limiting mechanism (7), a sealing ring (12) is mounted in the socket (2), the sealing ring (12) is fixedly connected with a connecting piece (3) on the inner side of the upper end and the lower end, positioning blocks (4) for guiding are welded and fixed on the upper end and the lower end of one side of the socket (2), and a plurality of sealing ring plates (5) are fixedly connected with the top end of the socket (2). The limiting mechanism (7) comprises a limiting column (71), one end of the limiting column (71) is fixedly connected with a piston plate (73) through a cylinder (72), the other end of the piston plate (73) is fixedly connected with a telescopic spring (74), the telescopic spring (74) is installed in a sealing shell (76), air inlet holes (77) are formed in the periphery of the sealing shell (76), and a center hole (75) is formed in the middle of the limiting column (71), the cylinder (72) and the piston plate (73).

2. A dust and water resistant RF coaxial connector as defined in Claim 1, wherein: The socket (2) is installed in the plug (1), and the socket (2), the plug (1), the conductive column (9) and the plug core (6) are coaxially arranged.

3. A dust and water resistant RF coaxial connector as recited in claim 1, wherein: The connecting piece (3) comprises a connecting column (31), a positioning hole (32) corresponding to the limiting mechanism (7) is formed in the inner side of the connecting column (31), and the connecting piece (3) is connected with the plug (1) through the positioning groove (10).

4. The dust and water resistant RF coaxial connector of claim 1, wherein: The positioning blocks (4) are provided with two, the plug (1) is internally provided with two guide grooves matched with the positioning blocks (4), and the positioning blocks (4) and the guide grooves are one-to-one corresponding.

5. The dust and water resistant RF coaxial connector of claim 1, wherein: The cylinder (72) is fixedly connected with the bottom end of the sealing shell (76), the sealing shell (76) is hollow, the transverse projection of the sealing shell (76) is T-shaped, and a cavity is formed between the sealing shell (76) and the rubber sleeve (11).

6. A dust and water resistant RF coaxial connector as recited in claim 1, wherein: The sealing ring plates (5) are provided with a plurality of, the sealing ring plates (5) are arranged on the same plane, the sealing ring plates (5) are of different sizes, and the sealing ring plates (5) are coaxial.

7. A dust and water resistant RF coaxial connector as recited in claim 1, wherein: The bottom end of the limiting column (71) is arc-shaped, the limiting column (71) is matched with the positioning hole (32), and the center hole (75) penetrates the limiting column (71).