CN211508106U

CN211508106U - High shielding radio frequency coaxial connector

Info

Publication number: CN211508106U
Application number: CN202020011545.3U
Authority: CN
Inventors: 陈�峰
Original assignee: Danyang Ruifeng Electronic Co ltd
Current assignee: Danyang Ruifeng Electronic Co ltd
Priority date: 2020-01-03
Filing date: 2020-01-03
Publication date: 2020-09-15
Anticipated expiration: 2030-01-03

Abstract

The utility model belongs to the technical field of the communication equipment is connected, especially, be a high shielding radio frequency coaxial connector, including bayonet joint and plug socket, the bayonet joint comprises plug inner conductor, first plug insulator, plug middle conductor, second plug insulator and the plug outer conductor of coaxial setting, the plug inner conductor sets up in first plug insulator, the plug inner conductor is connected through first plug insulator and plug middle conductor, the conductor passes through the second plug insulator and is connected with the plug outer conductor in the plug. The utility model discloses a threaded connection structure, cooperation lock nut realize the reliable connection between plug and the socket, can have more stable performance requirement under the vibration condition, can realize quick plug, make assembly efficiency obtain showing and improve, effectively improve the contact efficiency of well conductor simultaneously, make radio frequency coaxial connector possess high shielding characteristic and high electrical stability performance, satisfy the user demand of the reliable transmission of radio frequency signal.

Description

High shielding radio frequency coaxial connector

Technical Field

The utility model relates to a communication equipment connects technical field, specifically is a high shielding radio frequency coaxial connector.

Background

The rf coaxial connector for microwave communication system application is generally regarded as a component attached to a cable or mounted on an instrument as a component for transmitting electrical connection or separation, and belongs to mechatronic products.

The coaxial connector in the prior art has small volume and convenient installation, but still has the following defects:

1. the existing coaxial connector generally adopts a mounting mode with a flange, and although the connecting structure is stable and reliable, the quick plugging and unplugging cannot be realized, so that the assembly efficiency is influenced;

2. the existing coaxial connector has poor shielding performance and electrical performance, and can not meet the use requirement.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a high shielding radio frequency coaxial connector has solved the coaxial connector among the prior art small and simple to operate, nevertheless because it generally adopts the mounting means of flanged, this kind of connection structure is reliable and stable, nevertheless can not realize quick plug, influences assembly efficiency, and current coaxial connector still has shielding property not good, the relatively poor defect of electrical property, can not satisfy user demand's problem.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a high-shielding radio frequency coaxial connector comprises a plug connector and a plug socket, wherein the plug connector comprises a plug inner conductor, a first plug insulator, a plug middle conductor, a second plug insulator and a plug outer conductor which are coaxially arranged, the plug inner conductor is arranged in the first plug insulator and is connected with the plug middle conductor through the first plug insulator, the plug middle conductor is connected with the plug outer conductor through the second plug insulator, a concave inserting groove is formed in the connecting end of the plug middle conductor, a convex isolating part is arranged at the connecting end of the second plug insulator corresponding to the periphery of the concave inserting groove, an inner isolating cavity is formed between the plug middle conductor and the convex isolating part, a conductive rubber ring connected with the plug middle conductor and the second plug insulator is arranged in the inner isolating cavity, and a first outer connecting spiral is arranged on the outer surface of the connecting end of the plug outer conductor, the plug outer conductor is provided with a locking nut which is matched with the first outer connecting spiral in a spiral way, an outer isolation cavity is formed between the plug outer conductor, the second plug insulator and the convex isolation part, the plug socket is composed of a socket inner conductor, a first socket insulator, a socket middle conductor, a second socket insulator and a socket outer conductor which are coaxially arranged, the socket inner conductor is arranged in the first socket insulator, the socket inner conductor is connected with the socket middle conductor through the first socket insulator, the socket middle conductor is connected with the socket outer conductor through the second socket insulator, the connecting end of the socket middle conductor is provided with a first convex insertion part which is matched with the concave insertion groove, the connecting end of the socket middle conductor is provided with a second convex insertion part which is matched with the inner isolation cavity, the outer surface of the connecting end of the socket outer conductor is provided with a second outer connecting spiral which is corresponding to the front and back of the first outer connecting spiral and is matched with the locking nut, and a third raised plugging part matched with the outer isolation cavity is arranged on the connecting end of the outer conductor of the socket.

As an optimal technical scheme of the utility model, connect through clamping ring interference fit between second plug insulator and the plug outer conductor.

As an optimal technical scheme of the utility model, the tip of plug inner conductor is equipped with the grafting arch, be equipped with on the socket inner conductor and peg graft protruding complex draw-in groove.

As a preferred embodiment of the present invention, the connection end surface of the first plug insulator and the first socket insulator is an inclined end surface that is disposed oppositely.

As a preferred technical scheme of the utility model, the length of the protruding grafting portion of second is greater than the length of first protruding grafting portion, and the tip of the protruding grafting portion of second passes through conductor interference fit in conductive rubber circle and the plug.

(III) advantageous effects

Compared with the prior art, the utility model provides a high shielding radio frequency coaxial connector possesses following beneficial effect:

1. this high shielding radio frequency coaxial connector adopts threaded connection structure, and the reliable connection between cooperation lock nut realization plug and the socket can have more stable performance requirement under the vibration condition, can realize quick plug, makes assembly efficiency obtain showing and improves.

2. This high shielding radio frequency coaxial connector is coaxial between inside, well and the outer conductor and through corresponding insulator steady support, adopts plug-in type connection structure, makes to connect more closely between each conductor, and the use of cooperation conductive rubber circle makes conductor and socket in the plug in the conductor carry out extrusion contact, effectively improves the contact efficiency of well conductor, makes radio frequency coaxial connector possess high shielding characteristic and high electrical stability ability, satisfies the user demand of the reliable transmission of radio frequency signal.

Drawings

FIG. 1 is a schematic structural view of an intermediate joint of the present invention;

FIG. 2 is a schematic structural view of the socket of the present invention;

fig. 3 is a schematic view of the connection structure between the middle plug connector and the socket of the present invention.

In the figure: 1. a plug-in connector; 101. a plug inner conductor; 102. a first plug insulator; 103. a plug center conductor; 1031. an inward concave insertion groove; 1032. an inner isolation chamber; 104. a second plug insulator; 1041. a raised spacer portion; 105. a plug outer conductor; 1051. a first external connection screw; 1052. an outer isolation chamber; 106. a conductive rubber ring; 107. locking the nut; 108. pressing a ring; 2. a socket; 201. a socket inner conductor; 202. a first socket insulator; 203. a conductor in the socket; 2031. a first raised insertion part; 2032. a second raised insertion part; 204. a second socket insulator; 205. a socket outer conductor; 2051. a second outer connecting screw; 2052. and a third raised plug part.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-3, the present invention provides the following technical solutions: a high-shielding radio frequency coaxial connector comprises a plug connector 1 and a plug socket 2, wherein the plug connector 1 is composed of a plug inner conductor 101, a first plug insulator 102, a plug middle conductor 103, a second plug insulator 104 and a plug outer conductor 105 which are coaxially arranged, the plug inner conductor 101 is arranged in the first plug insulator 102, the plug inner conductor 101 is connected with the plug middle conductor 103 through the first plug insulator 102, the plug middle conductor 103 is connected with the plug outer conductor 105 through the second plug insulator 104, the connecting end of the plug middle conductor 103 is provided with a concave plugging groove 1031, the connecting end of the second plug insulator 104 is provided with a convex isolation part 1041 corresponding to the periphery of the concave plugging groove 1031, an inner isolation cavity 1032 is formed between the plug middle conductor 103 and the convex isolation part 1041, the inner part of the inner isolation cavity is provided with a conductive rubber ring 106 connected with the plug middle conductor 103 and the second plug insulator 104, the outer surface of the connecting end of the plug outer conductor 105 is provided with a first outer connecting spiral 1051, the plug outer conductor 105 is provided with a locking nut 107 which is spirally matched with the first outer connecting spiral 1051, an outer isolation cavity 1052 is formed between the plug outer conductor 105, a second plug insulator 104 and a raised isolation part 1041, the socket 2 is composed of a socket inner conductor 201, a first socket insulator 202, a socket middle conductor 203, a second socket insulator 204 and a socket outer conductor 205 which are coaxially arranged, the socket inner conductor 201 is arranged in the first socket insulator 202, the socket inner conductor 201 is connected with the socket middle conductor 203 through the first socket insulator 202, the socket middle conductor 203 is connected with the socket outer conductor 205 through the second socket insulator 204, the connecting end of the socket middle conductor 203 is provided with a first raised plugging part 2031 which is matched with the concave plugging groove 1031, the connecting end of the socket middle conductor 203 is provided with a second raised plugging part 2032 which is matched with the inner isolation cavity 1032, the outer surface of the connecting end of the outer socket conductor 205 is provided with a second outer connection spiral 2051 which corresponds to the first outer connection spiral 1051 in a front-back manner and is matched with the lock nut 107, and the connecting end of the outer socket conductor 205 is provided with a third convex plugging part 2052 matched with the outer isolation cavity 1052.

Specifically, the second plug insulator 104 and the plug outer conductor 105 are connected by interference fit with a press ring 108.

In this embodiment, the press ring 108 is provided to hold down the second plug insulator 104 and the plug outer conductor 105.

Specifically, the end of the plug inner conductor 101 is provided with an insertion protrusion, and the socket inner conductor 201 is provided with a slot which is in insertion fit with the insertion protrusion.

In this embodiment, when the plug connector 1 is plugged with the plug socket 2, the plugging protrusion is plugged in the slot, and the shielding device has the characteristics of compact structure and good shielding effect.

Specifically, the connecting end surfaces of the first plug insulator 102 and the first receptacle insulator 202 are inclined end surfaces that are disposed opposite to each other.

Specifically, the length of the second protruding plug part 2032 is greater than the length of the first protruding plug part 2031, and the end of the second protruding plug part 2032 is in interference fit with the conductor 103 in the plug through the conductive rubber ring 106.

In this embodiment, by the arrangement of the conductive rubber ring 106, the conductor 103 in the plug and the conductor 203 in the socket can be in pressing contact, so that the contact efficiency of the middle conductor is effectively improved, and the radio frequency coaxial connector has high shielding property.

The utility model discloses a theory of operation and use flow: when the plug connector 1 is connected with the socket 2, the plug inner conductor 101 and the socket inner conductor 201 are correspondingly kept coaxial front and back, then the plug connector 1 is radially inserted into the socket 2, so that the plugging protrusion on the plug inner conductor 101 is inserted into the clamping groove on the socket inner conductor 201, at this time, the first protruding plugging part 2031 is inserted into the concave plugging groove 1031, the second protruding plugging part 2032 is inserted into the inner isolation cavity 1032, and the third protruding plugging part 2052 is inserted into the outer isolation cavity 1052, when in use, the plug inner conductor 101 is connected with the socket inner conductor 201 and the plug inner conductor 103 is connected with the socket inner conductor 203 for signal transmission, after plugging is completed, the end part of the plug outer conductor 105 and the end part of the socket outer conductor 205 are locked by using the locking nut 107 through rotating the locking nut 107 on the plug outer conductor 105, the stability of the connection end of the plug connector 1 and the socket 2 is ensured, and the plug connector 1 is prevented from falling off, the second protruding plug part 2032 is in interference fit with the plug middle conductor 103 through the conductive rubber ring 106, so that the plug middle conductor 103 is in extrusion contact with the socket middle conductor 203, the contact efficiency of the middle conductor is effectively improved, and the radio frequency coaxial connector has high shielding property.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a high shielding radio frequency coaxial connector, includes bayonet joint (1) and socket (2), its characterized in that: the plug connector (1) is composed of a plug inner conductor (101), a first plug insulator (102), a plug middle conductor (103), a second plug insulator (104) and a plug outer conductor (105) which are coaxially arranged, the plug inner conductor (101) is arranged in the first plug insulator (102), the plug inner conductor (101) is connected with the plug middle conductor (103) through the first plug insulator (102), the plug middle conductor (103) is connected with the plug outer conductor (105) through the second plug insulator (104), a concave insertion groove (1031) is formed in the connecting end of the plug middle conductor (103), a convex isolation portion (1041) is arranged on the connecting end of the second plug insulator (104) corresponding to the periphery of the concave insertion groove (1031), an inner isolation cavity (1032) is formed between the plug middle conductor (103) and the convex isolation portion (1041), and the plug middle conductor (103) and the second plug insulator (104) are arranged inside the inner isolation cavity (1032) ) The outer surface of the connecting end of the plug outer conductor (105) is provided with a first outer connecting spiral (1051), the plug outer conductor (105) is provided with a lock nut (107) in spiral fit with the first outer connecting spiral (1051), an outer isolation cavity (1052) is formed between the plug outer conductor (105) and a second plug insulator (104) and a raised isolation part (1041), the plug socket (2) is composed of a socket inner conductor (201), a first socket insulator (202), a socket middle conductor (203), a second socket insulator (204) and a socket outer conductor (205) which are coaxially arranged, the socket inner conductor (201) is arranged in the first socket insulator (202), the socket inner conductor (201) is connected with a socket middle conductor (203) through the first socket insulator (202), and the socket middle conductor (203) is connected with the socket outer conductor (205) through the second socket insulator (204), the socket is characterized in that a first protruding inserting portion (2031) matched with the concave inserting groove (1031) is arranged at the connecting end of the conductor (203) in the socket, a second protruding inserting portion (2032) matched with the inner isolation cavity (1032) is arranged on the connecting end of the conductor (203) in the socket, a second outer connection spiral (2051) corresponding to the first outer connection spiral (1051) in front and back and matched with the lock nut (107) is arranged on the outer surface of the connecting end of the outer conductor (205) of the socket, and a third protruding inserting portion (2052) matched with the outer isolation cavity (1052) is arranged on the connecting end of the outer conductor (205) of the socket.

2. The highly shielded radio frequency coaxial connector according to claim 1, wherein: the second plug insulator (104) and the plug outer conductor (105) are connected in an interference fit mode through a pressing ring (108).

3. The highly shielded radio frequency coaxial connector according to claim 1, wherein: the plug is characterized in that the end part of the plug inner conductor (101) is provided with an inserting protrusion, and the socket inner conductor (201) is provided with a clamping groove which is matched with the inserting protrusion in an inserting mode.

4. The highly shielded radio frequency coaxial connector according to claim 1, wherein: the connecting end surface of the first plug insulator (102) and the first socket insulator (202) is an inclined end surface which is oppositely arranged.

5. The highly shielded radio frequency coaxial connector according to claim 1, wherein: the length of the second protruding plugging part (2032) is larger than that of the first protruding plugging part (2031), and the end part of the second protruding plugging part (2032) is in interference fit with the conductor (103) in the plug through the conductive rubber ring (106).