CN102646894B

CN102646894B - Rapid locking coaxial connector

Info

Publication number: CN102646894B
Application number: CN201210129955.8A
Authority: CN
Inventors: 曹永泉; 周靖波
Original assignee: Shanghai Aerospace Science and Industry Appliance Co Ltd
Current assignee: Shanghai Aerospace Science and Industry Appliance Co Ltd
Priority date: 2012-04-28
Filing date: 2012-04-28
Publication date: 2014-02-12
Anticipated expiration: 2032-04-28
Also published as: CN102646894A

Abstract

The invention discloses a rapid locking coaxial connector, which comprises a plug and a socket and is characterized in that the plug is formed by assembling a screw sleeve with an outer conductor which is sleeved by springs and pressing retaining rings, and the outer conductor of the plug is a connection piece provided with a clamping jaw and a plug-in hole; one end of the screw sleeve is provided with a guiding oblique plane and an unlock plane, the other end of the screw sleeve is provided with a sleeve which has a bending structure; the socket is composed of an outer casing and a clamping ring, and the clamping ring is an elastic sleeve ring which is provided with guiding slopes, a clamping groove and an axial cutting groove and is sleeved on the outer casing to be in clamping connection with a groove; and the plug and the socket are connected in an inserting mode, and the clamping jaw enters into the clamping groove by means of an axial thrust and is locked in the clamping groove by means of the springs, so that rapid connection and locking between the plug and the socket are achieved. Compared with coaxial connectors in prior art, the rapid locking coaxial connector is simple in structure, rapid and convenient in butting locking and disassembling, reliable in connection, good in vibration resistance and impact resistance, convenient to install and low in production cost.

Description

A kind of fast lock coaxial connector

Technical field

The present invention relates to electric components and patch technical field, especially a kind of fast lock coaxial connector that is applicable to novel interfacial.

Background technology

In current telecommunications field, voice transfer for example, transfer of data, the occasions such as image transmitting, desired signal velocity is more and more faster, and frequency is more and more higher, meanwhile, systematization and integrated degree are more and more higher, and the application of corresponding electric connector is also more and more extensive.Coaxial connector be the elasticity by contact connect with the separated conducting that realizes transmission path with separate, the connection of coaxial connector and reliable lock directly have influence on the performance of whole system, and it has very important impact to the applicability of the reliability of connector and application scenario.

At present, the connector of prior art all adopts the syndeton of screw-threaded coupling, it is relative with processing simply with the reliability connecting, cost is low and be widely used, as disclosed product in US5088937, DE3117320 and EP0867978A2 patent, be respectively the locking mode that is threaded, by this, be threaded, plug and socket outer conductor end face compress mutually, have guaranteed the coincidence of its electric datum level.But, development trend along with product miniaturization, the installing space leaving to components and parts is more and more limited, the locking mode that is threaded exposes various drawbacks, as installed, dismantling, need expend the longer time, and need to reserve the minimum space of placing assembling tool between connector and connector, cause packing density lower.

The problem existing for above-mentioned prior art, those skilled in the art is according to the requirement to Fast Installation coaxial connector, developed the coaxial connector of various quick locking structures, as patent EP1337008A2 and patent EP1222717A1, the feature of these quick locking structures is: movable locking member is arranged at plug end, its internal structure is relatively complicated, need special frock guarantee quality, requirement on machining accuracy is high, production efficiency is lower, because manufacturing cost is high, had a strong impact on this product being widely used at civil area.

Summary of the invention

The object of the invention is a kind of fast lock coaxial connector designing for the deficiencies in the prior art, it adopts the locking syndeton of spring and snap ring, the rapid abutting joint locking that realizes connector is separated with quick-detachment, have simple in structure, take up room little, connect reliable, easy for installation, low cost of manufacture, is especially applicable to being widely used of civilian goods field.

The object of the present invention is achieved like this: a kind of fast lock coaxial connector, comprise plug and socket, be characterized in that plug assembles with swivel nut by pocketed springs on outer conductor with after being press-fitted back-up ring, outer conductor is the connector that is provided with claw and spliced eye, and claw is arranged on the port of spliced eye; Swivel nut is that one end is provided with guiding surface and release plane, and the other end is provided with the sleeve of bending structure, is provided with the shaft shoulder in swivel nut; Spring and shield ring sleeve are contained between the shaft shoulder and bending structure, and outer conductor and spring and swivel nut be for being in axial sliding connection, outer conductor with back-up ring for being fixedly connected with; Socket is comprised of shell and snap ring, and shell is the connector that is provided with wiring hole and groove, and shell one end is provided with insertion groove, and the other end is provided with flange; Snap ring is to be provided with guiding slope, draw-in groove and the axial elastic collar of profile groove, and guiding slope is arranged on snap ring two ends, and draw-in groove is arranged between two guiding slopes, and snap ring is sleeved on shell and groove clamping; Plug and socket are pegged graft, and claw enters draw-in groove under axial thrust, by spring, claw is locked in draw-in groove, realizes plug and is connected and locking with the quick of socket.

Described draw-in groove is that bevelled dovetail groove is established in both sides.

The present invention compared with prior art has simple in structure, and butt-joint locking is separated with dismounting fast, convenient, connects reliably, and antivibration and erosion-resisting characteristics are good, and it is convenient to install, low cost of manufacture.

Accompanying drawing explanation

Fig. 1 is structural representation of the present invention

Fig. 2 is plug construction schematic diagram

Fig. 3 is socket schematic diagram

Fig. 4 is snap ring structure schematic diagram

Fig. 5 is butt-joint locking schematic diagram of the present invention

Fig. 6 is the A node enlarged diagram of Fig. 5

Fig. 7 is that release schematic diagram is docked in the present invention

Embodiment

Consult accompanying drawing 1, the present invention is comprised of plug 1 and socket 2, plug 1 assembles with swivel nut 10 by pocketed springs on outer conductor 13 11 with after being press-fitted back-up ring 12, and outer conductor 13 is the connector that is provided with claw 15 and spliced eye 14, and claw 15 is arranged on the port of spliced eye 14; Socket 2 forms by being set with snap ring 21 on shell 20, and snap ring 21 is for being provided with guiding slope 26, draw-in groove 27 and the axial elastic collar of profile groove 28, and draw-in groove 27 is provided with the dovetail groove on inclined-plane 29 for both sides; Plug 1 docks with socket 2, first being guiding surface 17 on swivel nut 10 26 contacts to slope with leading on collar 21, when this process makes collar 21 radial alignment, compression collar 21 radially contracts to the internal diameter that diameter is less than spliced eye 14, claw 15 enters draw-in groove 27 under axial thrust, therefore by spring 11, claw 15 is locked in draw-in groove 27, only needs littlely axially to relay, can easily realize connector rapid abutting joint and the locking of plug 1 and socket 2.

Consult accompanying drawing 2, plug 1 by pocketed springs on outer conductor 13 11 with after being press-fitted back-up ring 12 and swivel nut 10 assemble, outer conductor 13 is for being provided with the connector of claw 15 and spliced eye 14, and claw 15 is arranged on the port of spliced eye 14, outer conductor 13 with back-up ring 12 for being fixedly connected with; Swivel nut 10 is for being provided with the sleeve of guiding surface 17, release plane 16 and bending structure 18, guiding surface 17 and release plane 16 are arranged on swivel nut 10 1 ports, bending structure 18 is arranged on swivel nut 10 another port, in swivel nut 10, be provided with the shaft shoulder 19, guiding surface 17 on swivel nut 10 play the guiding role, release plane 16 plays release effect, the position-limiting action of 18 tail ends of bending structure; Spring 11 and back-up ring 12 are sleeved between the shaft shoulder 19 and bending structure 18, after plug 1 is press-fitted by back-up ring 12 and outer conductor 13, with swivel nut 10 assembling, swivel nut 10 tail ends are turned over to the bending structure 18 that riveting forms and form, outer conductor 13 and spring 11 and swivel nut 10 are for being in axial sliding connection.

Consult accompanying drawing 3, socket 2 is comprised of shell 20 and snap ring 21, and shell 20 is for being provided with the connector of wiring hole 22 and groove 23, and shell 20 one end are provided with inserts groove 24, and the other end is provided with flange 25, and snap ring 21 is sleeved on shell 20 and groove 23 clampings.

Consult accompanying drawing 4, snap ring 21 is for being provided with the elastic collar of guiding slope 26, draw-in groove 27 and axial profile groove 28, and guiding slope 26 is arranged on snap ring 21 two ends, and draw-in groove 27 is arranged between two guiding slopes 26; Described draw-in groove 27 is provided with the dovetail groove on inclined-plane 29 for both sides; Described snap ring 21 adopts elastomeric material to make, and snap ring 21 is fastened in the groove 23 on shell 20, under the effect of axial force, can carry out radial compression.

Consult accompanying drawing 5, the present invention uses like this: a cable of docking is arranged in plug 1 and is connected with outer conductor 13, another cable is arranged in the wiring hole 22 of socket 2 and is connected with shell 20, when plug 1 docks with socket 2, the insertion groove 24 of socket 2 enters in spliced eye 14 from the guiding surface 17 of plug 1, claw 15 enters draw-in groove 27 under axial thrust, by spring 11, claw 15 is locked in draw-in groove 27, realizes plug 1 and is connected and locking with the quick of socket 2.

Consult accompanying drawing 6, plug 1 docks while putting in place with socket 2: the first half of snap ring 21 is positioned at spliced eye 14, its snap ring 21 is under radical elasticity effect, make the claw 15 of outer conductor 13 and draw-in groove 27 close contacts on snap ring 21, under the effect of spring 11, realize axial locking, the latter half of snap ring 21 is positioned at swivel nut 10, the guiding surface 26 of its one end is positioned at release plane 16, because claw 15 is larger with the gradient that the inclined-plane 29 of draw-in groove 27 both sides contacts, if not by the release effect of swivel nut 10, be difficult to plug 1 and socket 2 axial withdrawal, for having larger coupling mechanism force, connector provides reliable guarantee.

Consult accompanying drawing 7, when plug 1 needs separated release with socket 2: pull back swivel nut 10, spring 11 axial crushing deformation under the effect of swivel nut 10 now, release plane 16 compression collars 21 make it that radial contraction occur, and when collar 21 is retracted to draw-in groove 27, claw 15 cannot be blocked, and outer conductor 13 integral body of plug 1 are retreated, realize release separation, after plug 1 and socket 2 separate, swivel nut 10, under the effect of spring 11, returns to initial position.It is separated with release, easy to operate that the present invention only needs the action of a push-and-pull just can realize the butt-joint locking of connector, and locking is with separated very convenient.

More than just the present invention is further illustrated, and not in order to limit this patent, all is the present invention's equivalence enforcement, within all should being contained in the claim scope of this patent.

Claims

1. a fast lock coaxial connector, comprises plug and socket, it is characterized in that plug assembles with swivel nut by pocketed springs on outer conductor with after being press-fitted back-up ring, and outer conductor is the connector that is provided with claw and spliced eye, and claw is arranged on the port of spliced eye; Swivel nut is that one end is provided with guiding surface and release plane, and the other end is provided with the sleeve of bending structure, is provided with the shaft shoulder in swivel nut; Spring and shield ring sleeve are contained between the shaft shoulder and bending structure, and outer conductor and spring and swivel nut be for being in axial sliding connection, outer conductor with back-up ring for being fixedly connected with; Socket is comprised of shell and snap ring, and shell is the connector that is provided with wiring hole and groove, and shell one end is provided with insertion groove, and the other end is provided with flange; Snap ring is to be provided with guiding slope, draw-in groove and the axial elastic collar of profile groove, and guiding slope is arranged on snap ring two ends, and draw-in groove is arranged between two guiding slopes, and snap ring is sleeved on shell and groove clamping; Plug and socket are pegged graft, and claw enters draw-in groove under axial thrust, by spring, claw is locked in draw-in groove, realizes plug and is connected and locking with the quick of socket.

2. lock soon according to claim 1 coaxial connector, it is characterized in that described draw-in groove is that bevelled dovetail groove is established in both sides.