Efficient waterproof radio frequency coaxial connector

Abstract

The utility model discloses an efficient waterproof radio frequency coaxial connector, which comprises a connector male head and a connector female head used for being plugged and electrically connected with the connector male head, the opposite ends of the connector male head and the connector female head are respectively and fixedly provided with a connecting column and an inner protective sleeve, and the inner protective sleeve and the connecting column are plugged with each other. A supporting ring is fixed to one end of the surface of the connector male head, an external thread sleeve is fixed to the outer wall of the side, close to the connector female head, of the supporting ring, and an internal thread sleeve is rotationally installed at one end of the surface of the connector female head. According to the utility model, by forming the triple waterproof surface, the male and female heads of the radio frequency connector can effectively prevent external moisture from entering the connector in a humid environment, and the waterproof performance of the connector is improved, so that electronic elements and circuits in the connector are effectively protected, and the problems of short circuit, electric leakage and the like caused by moisture invasion are prevented.

Description

Technical Field

[0001] This utility model relates to the field of radio frequency connector technology, specifically to a high-efficiency waterproof radio frequency coaxial connector. Background Technology

[0002] Radio frequency (RF) connectors are electronic components used to connect radio frequency (RF) circuits. They are commonly used in wireless communication systems, radar systems, satellite communication systems, medical equipment, and other devices that require the transmission of high-frequency signals. The structure of an RF connector typically consists of a shell, inner conductor, insulator, sealing ring, and connecting threads. The shell is the external part of the connector, used to protect the internal structure and ensure the stability of the connector. The inner conductor is the metal conductor inside the connector, used to transmit RF signals. The insulator isolates the inner conductor from the shell, preventing signal interference and protecting the stability of the connector. The sealing ring is used for waterproofing and dustproofing, ensuring the reliability of the connector in harsh environments.

[0003] For example, the high-efficiency waterproof RF coaxial connector disclosed in authorization announcement number CN219801353U includes a male connector assembly, one end of which is detachably connected to a female connector assembly. The male connector assembly includes a male connector with an annular groove at one end. A sealing ring is movably installed inside the annular groove, and a first moisture-proof block is fixedly installed inside the male connector. The moisture-proof block is connected to the annular groove by a threaded ring, and the connection between the male and female connectors is sealed by the sealing ring and the moisture-proof block. However, this technical solution still has a small connection surface between the male and female connectors during use. In humid, dusty, and oily environments, it is prone to water and dust ingress, affecting the stability and reliability of the connector. Utility Model Content

[0004] The purpose of this invention is to provide a highly efficient waterproof radio frequency coaxial connector, which forms a triple waterproof surface at the connection between the male and female heads, and uses a threaded tightening structure to ensure a firm connection between the male and female heads, thereby solving the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a high-efficiency waterproof radio frequency coaxial connector, comprising a male connector head and a female connector head for insertion and electrical connection with the male connector head. A connecting post and an inner protective sleeve are respectively fixed to opposite ends of the male and female connector heads. The inner protective sleeve and the connecting post are inserted into each other. A support ring is fixed to one end of the surface of the male connector head, and an external threaded sleeve is fixed to the outer wall of the support ring near the female connector head. An internal threaded sleeve is rotatably installed on one end of the surface of the female connector head. The internal threaded sleeve and the external threaded sleeve form a threaded tensioning structure. A ring-shaped sealing structure is installed on the male connector head end on one side of the external threaded sleeve to form a second sealing surface with the female connector head end.

[0006] Preferably, one end of the connector female head surface is fixed with an E-shaped annular lip, and one end of the internal threaded sleeve is fixed with two annular inner edges for rotatable connection with the outer wall of the E-shaped annular lip.

[0007] Preferably, the ring sealing structure includes a central sealing ring and a sealing sleeve fixed to the opposite ends of the male connector and the female connector, wherein the central sealing ring and the sealing sleeve are interlocked.

[0008] Preferably, an annular groove is provided on the outer wall of one side of the central sealing ring, and the thickness of the annular groove is equal to the thickness of the sealing sleeve.

[0009] Preferably, the top wall of the inner protective sleeve is fixed with a rectangular rib, and the outer wall of the connecting column is provided with a rectangular groove that slides into the rectangular rib.

[0010] Preferably, the inner protective sleeve has pins fixed inside, and the connecting post has pin holes for interlocking with the pins.

[0011] Compared with the prior art, the beneficial effects of this utility model are: by forming a triple waterproof surface, the male and female heads of the RF connector can effectively prevent external moisture from entering the connector in a humid environment, thereby improving the waterproof performance of the connector and effectively protecting the electronic components and circuits inside the connector, preventing short circuits, leakage and other problems caused by moisture intrusion. The threaded tightening structure formed by the external threaded sleeve and the internal threaded sleeve makes the connection between the male and female heads firm, which can effectively prevent the connector from loosening under vibration or external force. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0013] Figure 2 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 1 ;

[0014] Figure 3 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 2 ;

[0015] Figure 4 This is a three-dimensional cross-sectional structural diagram of the present invention.

[0016] Figure 5 This is a three-dimensional structural diagram of the connector female head of this utility model.

[0017] In the diagram: 1. Male connector; 2. Female connector; 201. E-shaped annular lip; 3. Support ring; 4. External threaded sleeve; 5. Internal threaded sleeve; 6. Central sealing ring; 601. Annular groove; 7. Sealing sleeve; 8. Inner protective sleeve; 801. Pin; 802. Rectangular rib; 9. Connecting post; 901. Pinhole; 902. Rectangular groove. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0019] Please see Figure 1-5 The present invention provides an embodiment of a high-efficiency waterproof radio frequency coaxial connector, comprising a male connector 1 and a female connector 2 for plugging into and electrically connecting with the male connector 1. A connecting post 9 and an inner protective sleeve 8 are respectively fixed at opposite ends of the male connector 1 and the female connector 2. The inner protective sleeve 8 and the connecting post 9 are plugged into each other. A support ring 3 is fixed at one end of the surface of the male connector 1, and an external threaded sleeve 4 is fixed on the outer wall of the support ring 3 near the female connector 2. An internal threaded sleeve 5 is rotatably installed at one end of the surface of the female connector 2. The internal threaded sleeve 5 and the external threaded sleeve 4 form a threaded tensioning structure. A ring sealing structure for forming a second sealing surface with the end of the female connector 2 is installed at the end of the male connector 1 on one side of the external threaded sleeve 4.

[0020] When connecting the male connector 1 and the female connector 2, the operator continuously screws on the inner thread sleeve 5. Due to the threaded engagement of the outer thread sleeve 4 and the inner thread sleeve 5, the inner thread sleeve 5 continuously pulls the outer thread sleeve 4, the support ring 3, and the male connector 1 towards the female connector 2. This structural design makes the connection more secure and effectively prevents the connector from loosening under vibration or external force.

[0021] The ring sealing structure includes a central sealing ring 6 and a sealing sleeve 7 fixed at the opposite ends of the male connector 1 and the female connector 2. The central sealing ring 6 and the sealing sleeve 7 are interlocked. An annular groove 601 is provided on the outer wall of one side of the central sealing ring 6. The thickness of the annular groove 601 is equal to the thickness of the sealing sleeve 7. After the male connector 1 and the female connector 2 are connected, the sealing sleeve 7 is inserted into the annular groove 601 of the central sealing ring 6. The central sealing ring 6 and the sealing sleeve 7 further improve the waterproof performance of the connector and reduce the entry of water and moisture into the connector.

[0022] One end of the surface of the connector female head 2 is fixed with an E-shaped annular lip 201, and one end of the internal threaded sleeve 5 is fixed with two annular inner edges for rotatable connection with the outer wall of the E-shaped annular lip 201. The E-shaped annular lip 201 plays a role in limiting and supporting the rotation of the internal threaded sleeve 5.

[0023] The top wall of the inner protective sleeve 8 is fixed with a rectangular rib 802. The outer wall of the connecting post 9 is provided with a rectangular groove 902 that slides into the rectangular rib 802. The inner protective sleeve 8 is fixed with a pin 801. The connecting post 9 is provided with a pin hole 901 for interlocking with the pin 801. The inner protective sleeve 8 and the connecting post 9 are connected. During this process, the rectangular rib 802 on the inner wall of the inner protective sleeve 8 and the rectangular groove 902 on the outer wall of the connecting post 9 slide into each other, and the pin 801 enters the pin hole 901. This helps to prevent the connection from loosening due to vibration or external force and improves the reliability of the RF connector.

[0024] In this embodiment, during use, the operator first removes the male connector 1 and female connector 2 to be connected, aligning the connecting post 9 and inner protective sleeve 8 of the male connector 1 and female connector 2. The connecting post 9 is then inserted into the inner protective sleeve 8, with its end fully inserted. The operator then continuously screws on the inner threaded sleeve 5, causing it to pull the outer threaded sleeve 4, support ring 3, male connector 1, and other components closer to the female connector 2, until the connecting post 9 is fully inserted into the inner protective sleeve 8. At this point, a first sealing surface is formed between the inner threaded sleeve 5 and the outer threaded sleeve 4. The sealing sleeve 7 is inserted into the interior of the central sealing ring 6, forming a second sealing surface. The inner protective sleeve 8 and the connecting post 9 themselves form a third sealing surface. By forming a triple waterproof surface, the male and female heads of the RF connector can effectively prevent external moisture from entering the connector in a humid environment, improving the waterproof performance of the connector. This effectively protects the electronic components and circuits inside the connector and prevents short circuits, leakage and other problems caused by moisture intrusion. The threaded tensioning structure formed by the external threaded sleeve 4 and the internal threaded sleeve 5 makes the connection between the male and female heads firm, which can effectively prevent the connector from loosening under vibration or external force, thereby improving the reliability of the connector.

[0025] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A high-efficiency waterproof radio frequency coaxial connector, characterized in that: The connector includes a male connector (1) and a female connector (2) for plugging into and electrically connecting with the male connector (1). A connecting post (9) and an inner protective sleeve (8) are fixed at opposite ends of the male connector (1) and the female connector (2), respectively. The inner protective sleeve (8) and the connecting post (9) are plugged into each other. A support ring (3) is fixed at one end of the surface of the male connector (1), and an external thread sleeve (4) is fixed on the outer wall of the support ring (3) near the female connector (2). An internal thread sleeve (5) is rotatably installed at one end of the surface of the female connector (2). The internal thread sleeve (5) and the external thread sleeve (4) form a threaded tensioning structure. A ring sealing structure for forming a second sealing surface with the end of the female connector (2) is installed at the end of the male connector (1) on one side of the external thread sleeve (4). The ring sealing structure includes a central sealing ring (6) and a sealing sleeve (7) fixed at opposite ends of the male connector (1) and the female connector (2). The central sealing ring (6) and the sealing sleeve (7) are interlocked. A rectangular rib (802) is fixed on the top wall of the inner protective sleeve (8). A rectangular groove (902) is provided on the outer wall of the connecting post (9) for sliding into the rectangular rib (802). A pin (801) is fixed inside the inner protective sleeve (8). A pin hole (901) is opened inside the connecting post (9) for interlocking with the pin (801).

2. The high-efficiency waterproof radio frequency coaxial connector according to claim 1, characterized in that: One end of the surface of the connector female head (2) is fixed with an E-shaped annular lip (201), and one end of the inner thread sleeve (5) is fixed with two annular inner edges for rotatable connection with the outer wall of the E-shaped annular lip (201).

3. The high-efficiency waterproof radio frequency coaxial connector according to claim 1, characterized in that: An annular groove (601) is provided on the outer wall of one side of the central sealing ring (6), and the thickness of the annular groove (601) is equal to the thickness of the sealing sleeve (7).

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