CN212810710U

CN212810710U - Novel waterproof coaxial connector

Info

Publication number: CN212810710U
Application number: CN202021820920.5U
Authority: CN
Inventors: 赵纪正; 曹姿英; 严金鑫; 高瑞苹; 徐鸿
Original assignee: China Aviation Optical Electrical Technology Co Ltd
Current assignee: China Aviation Optical Electrical Technology Co Ltd
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2021-03-26
Anticipated expiration: 2030-08-26

Abstract

A novel waterproof coaxial connector relates to the field of radio frequency coaxial connectors and comprises a plug and a socket, wherein the plug comprises a connecting nut, a plug shell and a contact pin mounting sleeve which are sequentially arranged from outside to inside; a sealing rubber gasket is arranged on the front end face of the sealing blocking edge, and a positioning step which is correspondingly abutted against the front end face of the insertion section is arranged in the socket shell; the outer wall of the insertion section is provided with a sealing ring groove I and a sealing ring groove II at intervals from inside to outside along the axial direction of the plug, a sealing ring I and a sealing ring II are respectively arranged in the sealing ring groove I and the sealing ring groove II, the front part of the contact pin installation sleeve is spliced and matched with the socket inner sleeve, and the front part of the contact pin installation sleeve extends forwards to exceed the sealing ring II; the coaxial connector improves the waterproof sealing effect and the sealing life.

Description

Novel waterproof coaxial connector

Technical Field

The utility model belongs to the technical field of the radio frequency coaxial connector and specifically relates to a novel waterproof coaxial connector is related to.

Background

At present, in standard interface high-power waterproof radio frequency coaxial connectors, such as TNC series, N series, HN series and the like, sealing structures after plugs and sockets are plugged adopt interface sealing structures of axial compression rubber pads, but the traditional sealing structures have the following defects: firstly, the compression amount of the sealing rubber gasket is difficult to accurately control, and the consistency of the sealing effect is influenced; secondly, the axial compression sealing requires higher processing precision of parts; the axial compression structure enables the compression amount born by the sealing rubber gasket to change greatly, and the sealing rubber gasket bears larger deformation amount under the limit condition, so that plastic deformation is more easily generated, and the sealing service life is further influenced; the conventional axial sealing structure is sealed by a single sealing rubber gasket, and the sealing rubber gasket is directly exposed when in use and is easy to age, so that the sealing service life is shortened; fifthly, the existing sealing structure has higher requirements on the flatness of the end face of the sealing shell of the connector socket, and the sealing shell is damaged more easily in the actual use process of a product, so that the sealing effect or the sealing service life of the inserted connector is influenced.

Disclosure of Invention

In order to overcome the not enough among the background art, the utility model discloses a novel waterproof coaxial connector has improved waterproof sealing effect and sealed life-span.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a novel waterproof coaxial connector comprises a plug and a socket, wherein the plug comprises a connecting nut, a plug shell and a contact pin mounting sleeve which are sequentially arranged from outside to inside, the socket comprises a socket shell and a socket inner sleeve, the connecting nut is rotatably mounted on the outer wall of the rear part of the plug shell and can be in threaded connection with the outer wall of the socket shell, and the front part of the plug shell is provided with an insertion section which is inserted into the socket shell and a sealing blocking edge which is positioned at the rear end of the insertion section; a sealing rubber gasket which is used for abutting against and sealing the front end surface of the socket shell is arranged on the front end surface of the sealing blocking edge, and a positioning step which is correspondingly abutted against the front end surface of the insertion section is arranged in the socket shell; insert section outer wall and be equipped with seal ring groove I and seal ring groove II along plug axial from inside to outside interval, install sealing washer I and sealing washer II in seal ring groove I and the seal ring groove II respectively, the anterior and the socket endotheca of contact pin installation cover are pegged graft and are matchd, and the anterior anteextension of contact pin installation cover surpasss sealing washer II.

Further, sealing washer I and sealing washer II all are established to O shape sealing washer.

Furthermore, the sealing ring groove I and the sealing ring groove II are respectively arranged on the outer wall surface of the rear part of the insertion section, and the front end of the insertion section is provided with a butt head.

Furthermore, the front end face of the contact pin mounting sleeve is flush with the front end face of the connecting nut.

Furthermore, the contact pin mounting sleeve is provided with a step blocking edge corresponding to the front end face of the socket inner sleeve.

Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:

the utility model discloses a novel waterproof coaxial connector, adopted and regarded radial seal as the main triple seal structure, axial seal as the vice, and utilize the location step to come the axial grafting degree location of plug and socket, increased joint strip's life, and sealed cushion, sealing washer I, sealing washer II and the plug shell inner wall that play the sealing effect all are in the inside of connector, receive the protection of coupling nut and whole connector shell, be difficult for causing the damage in the use, therefore have higher sealed reliability of use; in addition, because sealing washer I is in between sealed cushion and the sealing washer II, receives certain protection, and sealed environment is the best for sealing washer I has longer life, and then makes the product seal life longer, and sealed effect is better.

Drawings

Fig. 1 is a schematic view of the present invention;

FIG. 2 is a schematic structural view of the plug;

fig. 3 is a schematic structural view of the socket.

In the figure: 1. a contact pin mounting sleeve; 2. a plug housing; 201. an insertion section; 202. sealing the blocking edge; 203. abutting against the head; 3. a connecting nut; 4. sealing the rubber gasket; 5. a sealing ring I; 6. a sealing ring II; 7. a socket housing; 701. Positioning a step; 8. the socket is internally sleeved.

Detailed Description

The present invention can be explained in detail by the following embodiments, and the purpose of disclosing the present invention is to protect all technical improvements within the scope of the present invention, and the present invention is not limited to the following embodiments; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., it is only corresponding to the drawings of the present application, and for the convenience of describing the present invention, it is not intended to indicate or imply that the device or element referred to must have a particular orientation:

the novel waterproof coaxial connector described with reference to fig. 1-3 comprises a plug and a socket, wherein the plug comprises a connecting nut 3, a plug housing 2 and a pin mounting sleeve 1 which are sequentially arranged from outside to inside, the socket comprises a socket housing 7 and a socket inner sleeve 8, the connecting nut 3 is rotatably mounted on the outer wall of the rear portion of the plug housing 2 and can be in threaded connection with the outer wall of the socket housing 7, the pin mounting sleeve 1 and the socket inner sleeve 8 are both made of insulating materials, the front portion of the plug housing 2 is provided with an insertion section 201 for being inserted into the socket housing 7, and a sealing blocking edge 202 located at the rear end of the insertion section 201; the front end face of the sealing baffle edge 202 is provided with a sealing rubber gasket 4 which is used for abutting against the front end face of the socket shell 7 to compress and seal, the socket shell 7 is internally provided with a positioning step 701 which is correspondingly abutted against the front end face of the insertion section 201, when the plug is connected with the socket, the front end face of the insertion section 201 abuts against the positioning step 701, the connecting nut 3 stops screwing, the compression amount of the sealing rubber gasket 4 can be controlled to a certain degree, the optimal sealing effect is achieved, and the sealing service life of the sealing rubber gasket 4 is prolonged;

the outer wall of the insertion section 201 is provided with a sealing ring groove I and a sealing ring groove II at intervals from inside to outside along the axial direction of the plug, the sealing ring groove I and the sealing ring groove II are respectively arranged on the outer wall surface of the rear part of the insertion section 201 according to requirements, the front part of the insertion section 201 is reduced in diameter and extends forwards, the front end of the insertion section 201 is provided with a butt 203, the front part of the insertion section 201 is reduced in diameter so as to be conveniently inserted into the socket shell 7, and the butt 203 can increase the contact area with the positioning step 701; a sealing ring I5 and a sealing ring II 6 are respectively arranged in the sealing ring groove I and the sealing ring groove II, the sealing ring I5 and the sealing ring II 6 are correspondingly abutted against the inner wall of the front part of the socket shell 7 to play a role in radial sealing, and the sealing ring I5 is positioned between the sealing rubber gasket 4 and the sealing ring II 6, is protected to a certain extent, has the best sealing environment, and has longer service life of the sealing ring I5, so that the sealing service life of a product is longer, and the sealing effect is better; in addition, the inner wall surface between the front part of the socket housing 7 and the positioning step 701 is an inner conical surface, so that the insertion section 201 has certain buffering when being inserted into the socket housing 7, and the stable insertion process is ensured; according to the requirement, the sealing ring I5 and the sealing ring II 6 are both set to be O-shaped sealing rings;

the front part of the pin mounting sleeve 1 is in splicing matching with the socket inner sleeve 8, the pin mounting sleeve 1 and the socket inner sleeve 8 can play a role in splicing guiding, the impedance is uniform after splicing corresponding and has a certain sealing effect, the front part of the pin mounting sleeve 1 extends forwards to exceed the sealing ring II 6, the sealing rubber gasket 4, the sealing ring I5 and the sealing ring II 6 are all positioned in the connector and protected by the connecting nut 3, the pin mounting sleeve 1 and the plug shell 2, and damage is not easily caused in the using process, so that the pin mounting sleeve has higher sealing use reliability; according to the requirement, the front end surface of the contact pin mounting sleeve 1 is approximately flush with the front end surface of the connecting nut 3 and does not exceed the front end surface of the connecting nut 3, so that a better protection effect is achieved; in addition, the contact pin mounting sleeve 1 is provided with a step blocking edge corresponding to the front end face of the socket inner sleeve 8, and has better electrical performance and sealing effect.

The part of the utility model not detailed is prior art.

Claims

1. The utility model provides a novel waterproof coaxial connector, contains plug and socket, the plug contains coupling nut (3), plug housing (2) and contact pin installation cover (1) that set gradually from outside to inside, the socket contains socket shell (7) and socket endotheca (8), coupling nut (3) rotate install in plug housing (2) rear portion outer wall and can with socket shell (7) outer wall threaded connection, the front portion of plug housing (2) is equipped with and is arranged in inserting section (201) to socket shell (7) to and be located the sealed fender edge (202) of inserting section (201) rear end, its characterized in that: a sealing rubber gasket (4) which is used for abutting against and sealing the front end face of the socket shell (7) is arranged on the front end face of the sealing blocking edge (202), and a positioning step (701) which is abutted against the front end face of the insertion section (201) correspondingly is arranged in the socket shell (7); insert section (201) outer wall and be equipped with seal ring groove I and seal ring groove II from inside to outside interval along the plug axial, install sealing washer I (5) and sealing washer II (6) in seal ring groove I and the seal ring groove II respectively, the anterior and socket endotheca (8) of contact pin installation cover (1) are pegged graft and are matchd, and stretch out before the anterior of contact pin installation cover (1) and exceed seal ring II (6).

2. The new water-resistant coaxial connector of claim 1, wherein: and the sealing ring I (5) and the sealing ring II (6) are both O-shaped sealing rings.

3. The new water-resistant coaxial connector of claim 1, wherein: the sealing ring groove I and the sealing ring groove II are respectively arranged on the outer wall surface of the rear part of the insertion section (201), and the front end of the insertion section (201) is provided with a butt head (203).

4. The new water-resistant coaxial connector of claim 1, wherein: the front end face of the contact pin mounting sleeve (1) is flush with the front end face of the connecting nut (3).

5. The new water-resistant coaxial connector of claim 1, wherein: the contact pin mounting sleeve (1) is provided with a step blocking edge corresponding to the front end face of the socket inner sleeve (8).