Waterproof airtight radio frequency connector

Abstract

The invention relates to a waterproof airtight radio frequency connector, which comprises a waterproof plug and a wired socket, and is characterized in that the waterproof plug comprises a plug shell, a shielding ring, a plug O-shaped ring, a coupling nut assembly, a coaxial jack, a crimping jack assembly, a doubling-up clamp spring, a fixed clamp ring and a bonding jack insulator assembly, the shielding ring and the plug O-shaped ring are both arranged on the outer ring of the plug shell in a sleeving mode, the connecting nut assembly is arranged on the outer side of the plug shell, the crimping jack assembly is arranged to be parallel to the coaxial jack, and the doubling-up snap spring is arranged on the outer side of the plug shell. The wired socket comprises a square plate shell, a crimping contact pin, a sealing ring, a coaxial contact pin, a bonding contact pin insulator assembly, a rubber O-shaped ring, a coaxial radio frequency cable and a fluorinated ethylene propylene wire, the sealing ring is arranged in the square plate shell, the rubber O-shaped ring is arranged outside the square plate shell, and the coaxial radio frequency cable is arranged in the coaxial radio frequency cable. In conclusion, the waterproof electromagnetic shielding cable has the advantages of being good in waterproof effect, excellent in air tightness, long in service life and good in electromagnetic shielding effect.

Description

Technical Field

[0001] The invention belongs to the technical field of high-frequency transmission equipment, and in particular relates to a waterproof and airtight radio frequency connector. Background Art

[0002] In the current electronic communication field and new energy vehicle technology field, such as communication transmission, voice transmission, data transmission, image transmission and other occasions, the required signal propagation speed is getting faster and faster, and the frequency is getting higher and higher. High-frequency signals are widely used in the field of signal transmission due to their advantages such as wide bandwidth and strong anti-fading ability. Among them, radio frequency connectors, also known as RF connectors, are usually considered to be a component installed on cables or instruments. As a component for electrical connection or separation of transmission lines, it mainly plays a bridging role. At present, in order to cope with related harsh environments, many changes have been made to high-frequency connectors, among which waterproofing requirements are an important one.

[0003] At present, most of the RF connectors on the market do not have waterproof effects, which makes them unable to be used underwater, seriously affecting their use in amphibious vehicles, armored vehicle video systems and other fields. Some methods of providing waterproof effects for connectors by adding some protective shells or wrapping some waterproof tapes not only have poor waterproof effects, but also greatly reduce the service life. Therefore, there is an urgent need for a waterproof and airtight RF connector that can be used in wheeled vehicles, tracked vehicles and other vehicles that need to pass through water environments. Summary of the invention

[0004] In view of this, the present invention proposes a waterproof and airtight radio frequency connector, which is applied to the technical field of high-frequency transmission equipment to solve the existing technical problems of poor waterproof effect, poor airtightness, short service life and lack of electromagnetic shielding effect.

[0005] In order to achieve the above technical objectives, the specific technical solutions adopted by the present invention are:

[0006] A waterproof airtight radio frequency connector, comprising a waterproof plug and a wired socket, wherein the waterproof plug comprises a plug housing, a shielding ring, a plug O-ring, a connecting nut assembly, a coaxial jack, a crimping jack assembly, a parallel coil spring, a fixing clamp ring and a bonding jack insulator assembly, wherein the coaxial jack extends deep into the plug housing, the shielding ring and the plug O-ring are both sleeved on the outer ring of the plug housing, the connecting nut assembly is arranged on the outer side of the plug housing, the crimping jack assembly is arranged parallel to the coaxial jack and extends into the plug housing, the parallel coil spring is arranged on the outer side of the plug housing, and the wired socket comprises a square disk housing, a crimping pin, a sealing ring, Coaxial pin, bonding pin insulator assembly, rubber O-ring, coaxial RF cable and polytetrafluoroethylene propylene wire, the coaxial pin is arranged inside the square disk shell, the crimping pin is arranged on one side of the coaxial pin, the sealing ring is arranged inside the square disk shell, the rubber O-ring is arranged outside the square disk shell, when the waterproof plug is inserted into the wired socket, the coaxial pin extends into the coaxial jack, the crimping pin goes deep into the crimping jack assembly, the fixing clamp and the bonding jack insulator assembly are located at the end of the waterproof plug away from the wired socket, and the coaxial RF cable and the polytetrafluoroethylene propylene wire are arranged at the end of the wired socket away from the waterproof plug.

[0007] Furthermore, the connecting nut assembly adopts a three-start thread, and can be quickly connected to the wired socket by rotating the connecting nut.

[0008] Furthermore, the square plate housing of the wired socket adopts a square plate structure, and the square plate housing cooperates with the nut on the waterproof plug through a positioning screw.

[0009] Furthermore, a five-key key position is provided on the plug shell of the waterproof plug, and a matching five-key slot key is provided on the square disk shell of the wired socket. Through the cooperation of the five-key key position and the five-key slot key, the function of preventing wrong insertion during the plugging and unplugging process is realized.

[0010] Furthermore, a stop tooth is provided on the plug housing, and a spring claw is provided on the nut, and the locking function is achieved through the cooperation of the stop tooth and the spring claw.

[0011] Furthermore, a retaining groove is provided on the square disk shell, and the parallel coil retaining spring is stuck in the retaining groove after the waterproof plug and the wired socket are connected. The axial limiting of the waterproof plug and the wired socket after connection is achieved through the cooperation between the retaining groove and the parallel coil retaining spring.

[0012] Furthermore, the coaxial pin achieves airtightness of the product through two times of glue filling at the tail of the socket.

[0013] By adopting the above technical solution, the present invention can also bring the following beneficial effects:

[0014] 1. The present invention mentions a waterproof and airtight radio frequency connector, which increases the waterproof and airtight requirements for high-frequency connectors, and can be used in various types of vehicles such as wheeled vehicles and tracked vehicles in wading environments. A three-head thread is adopted through the connecting nut assembly, and a quick connection is achieved with the wired socket by rotating the connecting nut. Five key positions are arranged on the shell of the radio frequency plug to cooperate with the wired socket to realize the function of preventing wrong insertion during the plugging and unplugging process. A stopping tooth structure is arranged on the plug shell, and a locking function is realized by cooperating with the spring claw in the connecting nut assembly. A stopping groove is arranged on the square disk shell, and axial limitation of the product after connection is realized by cooperating with the parallel coil retaining spring. The sealing of the radio frequency plug and the wired socket after docking is realized by arranging the plug O-ring. A good shielding effect is achieved by arranging the shielding ring structure, and the connector has a good waterproof effect and electromagnetic shielding effect.

[0015] 2. The waterproof and airtight RF connector mentioned in the present invention realizes the airtight performance of the product by simultaneously filling glue twice at the tail of the socket. The square disk shell of the wired socket adopts a square disk structure, cooperates with the equipment through positioning screws, and realizes the waterproof function between the wired socket and the equipment through a rubber O-ring. The square disk shell is provided with five key slots to cooperate with the RF plug to realize the anti-wrong insertion function during the plugging and unplugging process. It has a simple structure and is easy to use. It can greatly improve the service life of the airtight RF connector in a water environment, and can ensure the insertion loss and voltage standing wave ratio well. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. 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 creative work.

[0017] Figure 1 The present invention provides a schematic structural diagram of a waterproof and airtight radio frequency connector;

[0018] Figure 2 It is a schematic diagram of the internal structure of a waterproof plug in a specific embodiment of the present invention;

[0019] Figure 3 It is a schematic diagram of the external structure of a waterproof plug in a specific embodiment of the present invention;

[0020] Figure 4 It is a schematic diagram of the internal structure of a socket with a wire in a specific embodiment of the present invention;

[0021] Figure 5 It is a schematic diagram of the external structure of a socket with wires in a specific embodiment of the present invention;

[0022] Figure 6It is a schematic diagram of the connection structure of the coaxial jack and the plug housing in a specific embodiment of the present invention;

[0023] Figure 7 It is a schematic diagram of the connection structure between the coaxial pin and the square disk housing in a specific embodiment of the present invention;

[0024] Figure 8 It is a schematic diagram of the connection structure between the plug housing and the square plate housing when the waterproof plug and the wired socket are in a connected state in a specific embodiment of the present invention;

[0025] Among them: 1. Plug housing; 2. Shielding ring; 3. Plug O-ring; 4. Connecting nut assembly; 5. Coaxial jack; 6. Crimping jack assembly; 7. Parallel retaining spring; 8. Fixed retaining ring; 9. Bonding jack insulator assembly; 11. Square disk housing; 12. Crimping pin; 13. Sealing ring; 14. Coaxial pin; 15. Bonding pin insulator assembly; 16. Rubber O-ring; 17. Coaxial RF cable; 18. Polyperfluoroethylene propylene wire. DETAILED DESCRIPTION

[0026] The embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0027] The following describes the embodiments of the present invention through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. The present invention can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.

[0028] It should be noted that various aspects of the embodiments within the scope of the appended claims are described below. It should be apparent that the aspects described herein can be embodied in a wide variety of forms, and any specific structure and / or function described herein is merely illustrative. Based on the present invention, it should be understood by those skilled in the art that an aspect described herein can be implemented independently of any other aspect, and two or more of these aspects can be combined in various ways. For example, any number of aspects described herein can be used to implement the device and / or practice the method. In addition, other structures and / or functionalities other than one or more of the aspects described herein can be used to implement this device and / or practice this method.

[0029] It should also be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present invention. The drawings only show components related to the present invention rather than being drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component may be changed arbitrarily, and the component layout may also be more complicated.

[0030] Additionally, in the following description, specific details are provided to facilitate a thorough understanding of the examples. However, it will be understood by those skilled in the art that the aspects described may be practiced without these specific details.

[0031] In one embodiment of the present invention, Figures 1 to 8 As shown, a waterproof airtight radio frequency connector includes a waterproof plug and a wired socket, the waterproof plug includes a plug housing 1, a shielding ring 2, a plug O-ring 3, a connecting nut assembly 4, a coaxial jack 5, a crimping jack assembly 6, a parallel coil spring 7, a fixing ring 8 and a bonding jack insulator assembly 9, the coaxial jack 5 extends deep into the plug housing 1, the shielding ring 2 and the plug O-ring 3 are both sleeved on the outer ring of the plug housing 1, the connecting nut assembly 4 is arranged on the outside of the plug housing 1, the crimping jack assembly 6 is arranged parallel to the coaxial jack 5 and extends into the plug housing 1, the parallel coil spring 7 is arranged on the outside of the plug housing 1, and the wired socket includes a square disk housing 11, a crimping pin 12, a sealing ring 13, a coaxial pin 1 4. Adhesive pin insulator assembly 15, rubber O-ring 16, coaxial RF cable 17 and polytetrafluoroethylene propylene wire 18, the coaxial pin 14 is arranged inside the square disk housing 11, the crimping pin 12 is arranged on one side of the coaxial pin 14, the sealing ring 13 is arranged inside the square disk housing 11, and the rubber O-ring 16 is arranged outside the square disk housing 11. When the waterproof plug is inserted into the wired socket, the coaxial pin 14 extends into the coaxial jack 5, the crimping pin 12 extends into the crimping jack assembly 6, the fixing clamp 8 and the adhesive jack insulator assembly 9 are located at the end of the waterproof plug away from the wired socket, and the coaxial RF cable 17 and the polytetrafluoroethylene propylene wire 18 are arranged at the end of the wired socket away from the waterproof plug.

[0032] The connecting nut assembly 4 adopts a three-threaded structure and can be quickly connected to the wired socket by rotating the connecting nut.

[0033] The square plate housing 11 of the wired socket adopts a square plate structure, and the square plate housing 11 is matched with the nut on the waterproof plug through a positioning screw.

[0034] The plug housing 1 of the waterproof plug is provided with five-key positions, and the square disk housing 11 of the wired socket is provided with matching five-key slot keys. The cooperation of the five-key positions and the five-key slot keys realizes the function of preventing wrong insertion during the plugging and unplugging process.

[0035] The plug housing 1 is provided with a stop tooth, and the nut is provided with a spring claw. The locking function is achieved through the cooperation of the stop tooth and the spring claw. The structures of the stop tooth and the spring claw both adopt the existing technology.

[0036] A retaining groove is provided on the square plate housing 11, and the parallel coil retaining spring 7 is stuck in the retaining groove after the waterproof plug and the wired socket are connected. The axial limit after the waterproof plug and the wired socket are connected is realized by the cooperation between the retaining groove and the parallel coil retaining spring 7. The coaxial pin 14 realizes the airtight performance of the product through two times of glue filling at the tail of the socket.

[0037] During the use of the present invention, the waterproof plug and the wired socket are first aligned and corrected by five keys, which plays the role of preventing the connector from being inserted incorrectly, and can ensure that the coaxial jack 5 and the coaxial pin 14 are smoothly connected. After the five keys are aligned, the connecting nut assembly 4 on the waterproof plug is rotated to tighten it. After complete connection, the waterproof plug and the wired socket realize the waterproof function by compressing the plug O-ring 3. A shielding ring 2 is installed between the connecting nut assembly 4 and the square plate shell 11, which can make the product have a good shielding function. In short, the present invention has the advantages of good waterproof effect, excellent air tightness, long service life and good electromagnetic shielding effect.

[0038] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed by the present invention should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A waterproof and airtight radio frequency connector, characterized in that: The invention comprises a waterproof plug and a socket with a wire, wherein the waterproof plug comprises a plug housing (1), a shielding ring (2), a plug O-ring (3), a connecting nut assembly (4), a coaxial jack (5), a crimping jack assembly (6), a parallel coil spring (7), a fixing ring (8) and a bonding jack insulator assembly (9), wherein the coaxial jack (5) extends into the interior of the plug housing (1), the shielding ring (2) and the plug O-ring (3) are both sleeved on the outer ring of the plug housing (1), the connecting nut assembly (4) is arranged on the outside of the plug housing (1), the crimping jack assembly (6) is arranged parallel to the coaxial jack (5) and extends into the plug housing (1), the parallel coil spring (7) is arranged on the outside of the plug housing (1), and the socket with a wire comprises a square disk housing (11), a crimping pin (12), a sealing ring (13), a coaxial pin (14), a bonding pin (15), a fixing ring (8) and a bonding jack insulator assembly (9). A pin insulator assembly (15), a rubber O-ring (16), a coaxial radio frequency cable (17) and a polytetrafluoroethylene propylene wire (18), wherein the coaxial pin (14) is arranged inside a square disk housing (11), the crimping pin (12) is arranged on one side of the coaxial pin (14), the sealing ring (13) is arranged inside the square disk housing (11), the rubber O-ring (16) is arranged outside the square disk housing (11), when the waterproof plug is inserted into a wired socket, the coaxial pin (14) extends into the coaxial jack (5), the crimping pin (12) extends into the crimping jack assembly (6), the fixing clamp (8) and the bonding jack insulator assembly (9) are located at one end of the waterproof plug away from the wired socket, and the coaxial radio frequency cable (17) and the polytetrafluoroethylene propylene wire (18) are arranged at one end of the wired socket away from the waterproof plug.

2. A waterproof and airtight radio frequency connector according to claim 1, characterized in that: The connecting nut assembly (4) adopts a three-threaded structure and can be quickly connected to the wired socket by rotating the connecting nut.

3. A waterproof and airtight radio frequency connector as claimed in claim 2, characterized in that: The square disk housing (11) of the wired socket adopts a square disk structure, and the square disk housing (11) cooperates with the nut on the waterproof plug through a positioning screw.

4. A waterproof and airtight radio frequency connector as claimed in claim 3, characterized in that: The plug housing (1) of the waterproof plug is provided with a five-key key position, and the square plate housing (11) of the wired socket is provided with a matching five-key slot key, and the cooperation of the five-key key position and the five-key slot key realizes the function of preventing wrong insertion during the plugging and unplugging process.

5. A waterproof and airtight radio frequency connector as claimed in claim 4, characterized in that: The plug housing (1) is provided with a stop tooth, and the nut is provided with a spring claw, and the locking function is achieved through the cooperation of the stop tooth and the spring claw.

6. A waterproof and airtight radio frequency connector as claimed in claim 5, characterized in that: A retaining groove is provided on the square plate housing (11), and the parallel coil retaining spring (7) is locked into the retaining groove after the waterproof plug and the wired socket are connected, and the axial limiting is achieved after the waterproof plug and the wired socket are connected through the cooperation between the retaining groove and the parallel coil retaining spring (7).

7. A waterproof and airtight radio frequency connector as claimed in claim 6, characterized in that: The coaxial pin (14) achieves the airtightness of the product through two times of glue filling at the tail of the socket.

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