CN101272016B

CN101272016B - Splitlevel shielding socket

Info

Publication number: CN101272016B
Application number: CN2007100777068A
Authority: CN
Inventors: 赵仕彬
Original assignee: Guizhou Space Appliance Co Ltd
Current assignee: Guizhou Space Appliance Co Ltd
Priority date: 2007-03-22
Filing date: 2007-03-22
Publication date: 2012-05-09
Anticipated expiration: 2027-03-22
Also published as: CN101272016A

Abstract

The invention discloses a split level type shielding socket, which comprises a shell, a jack, a plunger ring, an upper insulator and a lower insulator. The jack is fixed in the upper insulator and the lower insulator, and then the upper insulator and the lower insulator are fixed in the shell by the plunger ring; the socket is provided with two metallic shielding layers which can relatively rotate at the joint end of the shell; an elastic resetting device is arranged between the two metallic shielding layers; the two metallic shielding layers are in a free state that hole sites are interlaced and shading mutually when the two metallic shielding layers are separated from a contact pin, thus improving the shielding function of the socket by the interface refection at the dislocation and holes between the two metallic shielding layers. The split level type shielding socket of the invention has the advantages of simple structure, better electromagnetic shielding effect and stable and reliable performance, which is suitable for the application situation of highly reliable electromagnetic shielding when the connector is separated, and the socket can satisfy the requirement of novel equipment.

Description

A kind of Splitlevel shielding socket

One, technical field

The present invention relates to a kind of Splitlevel shielding socket, belong to technical field of electric connectors.

Two, background technology

Electric connector is made up of plug and socket, and plug and socket plug together the back and realize electromagnetic shielding easily.Its structural principle is being contained end, like the cylindrical circumference of plug casing shading ring is installed, and shading ring is the enclosed elasticity finger-type tooth of a row, is formed by the copper alloy belt punching out of excellent spring.When plug and socket plug together; The inner surface extruding shading ring of Socket casing makes between plug casing and the Socket casing and forms flexible being electrically connected through shading ring; Obtain good electric continuity, the shading ring circumference is filled between plug casing and the Socket casing and can reduces fit clearance again simultaneously, realizes good " slit shielding "; The inner electromagnetic interference of restriction transmission line is through plugging together towards extraneous radiation, and it is inner to prevent that extraneous electromagnetic interference from getting into transmission line through the face that plugs together.The afterbody of plug and socket is realized shielding generally through being connected between metal hood and the gauze screen, and plug and socket plug together afterwards whole transmission line (being commonly called as cable) and just realized electromagnetic shielding.But with after socket separates, the electromagnetic shielding of realizing plug or socket separately is a new technology at plug, and " electromagnetic shielded socket 200610051023.0 " patent application of the applicant proposes to this technical problem.

Three, summary of the invention

The objective of the invention is provides a kind of shielding properties better Splitlevel shielding socket on the basis of former invention, after solving the electric connector separation, and the electromagnetic shielding problem of independent socket.

Splitlevel shielding socket of the present invention; Comprise housing, jack, trim ring, upper insulator, lower insulator; Jack is fixed in upper insulator and the lower insulator, by trim ring upper and lower insulator is fixed in the housing again, and the mating side of said housing is provided with two-layer relatively turnable metal screen layer; Be provided with elasticity reset device between this double layer of metal screen; Two-layer shielding laminate is provided with and the corresponding circular hole of jack, and its position, hole when free state of two screens is interlaced, blocks each other.

The metal enclosed layer of the butt end of the available Socket casing of one of above-mentioned two screens own forms lower floor's screen, simultaneously at the outer barricade formation upper strata screen that is provided with again of this metal enclosed layer, between two screens for being rotatably connected.

Elasticity reset device between two screens is made up of spring, alignment pin, on lower floor's screen of housing, is provided with arc groove, and the relevant position of upper strata screen is provided with said alignment pin, and said spring one end is connected in the arc groove, and the other end is connected with alignment pin.

Adopt the Splitlevel shielding socket of technique scheme have simple in structure, effectiveness is better; Advantage stable and reliable for performance; Be applicable to the application scenario that needs highly reliable electromagnetic shielding after connector separates; Satisfy the user demand of novel device, have stronger novelty and practicality.

Four, description of drawings

Fig. 1 is the principal section view of Splitlevel shielding socket of the present invention;

Among the figure: screen, 9-insulating case, 10-insulating case, 11-insulating case, 12-insulating case, 13-setscrew nut, 14-barricade, 15-sealing ring, 17-alignment pin under 1-jack, 2-jack, 3-jack, 4-trim ring, 5-lower insulator, 6-upper insulator, 7-housing, the 8-.

Fig. 2 is a Splitlevel shielding socket of the present invention left view when removing upper shielding layer;

Among the figure: 16-spring, 17-alignment pin, 18-arc groove.

State diagram when Fig. 3 is Splitlevel shielding socket two screens of the present invention dislocation.

Five, embodiment

Below in conjunction with the accompanying drawing instance Splitlevel shielding socket of the present invention is done further to specify:

As shown in Figure 1; Splitlevel shielding socket of the present invention comprises housing 7, jack 1,2,3, trim ring 4, lower insulator 5, upper insulator 6; Jack 1,2,3 is fixed in upper insulator 6 and the lower insulator 5, by trim ring 4 upper and lower insulator is fixed in the housing 7 again, forms stable axial restraint.Embedding silicon rubber between upper insulator 6 and the lower insulator 5 is realized the sealing of socket.In order to realize the electromagnetic shielding of socket; Mating side at Socket casing 7; Such unlike common connector body for unlimited, but, form lower floor's screen 8 of this socket with the metal level sealing; And, be the circular hole that corresponding specification and quantity are set on lower floor's screen 8 at this metal level according to the specification and the quantity of jack in the socket.These circular holes that have on the certain thickness metal level have just formed waveguide aperture, can play the effect of shielding to electromagnetic wave, and this metal level is that the thickness of lower floor's screen 8 is then required to confirm by concrete electromagnetic shielding.In addition between upper insulator 6, lower insulator 5 and the housing 7 through the cooperating of key and groove, guarantee position, the circular hole hole alignment on lower floor's screen of Kong Weiyu housing 7 of jack; Simultaneously in order to obtain better shield effectiveness; One barricade is set outside this lower floor's screen again forms upper strata screen 14; Be fixed on the center of lower floor's screen 8 of housing 7 with setscrew nut 13, upper strata screen 14 is sleeved on this setscrew nut 13 lower ends, can be that rotate in the center of circle along setscrew nut 13.Also be provided with resetting means between this external two-layer screen, said resetting means comprises spring 16 and alignment pin 17, on lower floor's screen 8 that housing 7 is formed, is provided with arc groove 18; On the upper strata shielding laminate 14 of relevant position alignment pin 17 is set; Mounting spring 16 in arc groove 18 then, an end of spring 16 is supported in the arc groove 18, and the other end is supported on the alignment pin of upper strata shielding laminate 14; Because spring 16 has designed the initial compression amount; Assembling is accomplished the back and just can be promoted the upper strata screen 14 that barricade forms and rotate, and the scope that alignment pin slides in arc groove is exactly the amount of spin of upper strata screen 14, when socket and plug is separated between upper and lower layer of screen circular hole interlock; And remain on the dislocation state, as shown in Figure 2.Thereby the boundary reflection of dislocation place capable of using improves screening effectiveness.

When this socket and contact pin plug together, need apply external force earlier and make two dislocation layer alignment, contact pin contacting piece is communicated with the jack of socket after circular hole passes metal screen layer then, realizes being electrically connected.Upper strata screen 14 conducts with lower metal screen 8 through spring 16 all the time; And lower metal screen 8 is one with housing 7; After housing 7 installs and fixes, just can realize low and stable earth resistance, guarantee that whole socket has good electromagnetic shielding.In addition for preventing that contact pin contacting piece is when passing metal level; Form short circuit with metal layer contacting; And satisfy high-grade insulation resistance requirement, according to the specification of contact pin contacting piece, in the circular hole of two metal screen layers, disposed insulating case 9,10,11 respectively with insulating material processing; This insulating case is an open circles tubing part, and metal screen layer and contact pin contacting piece are separated.

Also be processed with circular trough on the ring flange of this Socket casing 7, and disposed the sealing ring made from conductive rubber material 15,, further improve its shielding properties to realize the sealing and the electromagnetic shielding of installed surface.

Claims

1. Splitlevel shielding socket; Comprise housing (7), jack (1,2,3), trim ring (4), upper insulator (6), lower insulator (5); Jack (1,2,3) is fixed in upper insulator and the lower insulator; By trim ring (4) upper and lower insulator (5,6) is fixed in the housing (7), it is characterized in that: this socket is provided with two-layer relatively turnable metal screen layer in the mating side of said housing, be provided with elasticity reset device between this double layer of metal screen; The position, hole of two screens is interlaced when free state, blocks each other.

2. Splitlevel shielding socket according to claim 1; It is characterized in that: the metal enclosed layer that said double layer of metal screen is respectively housing butt end itself is lower floor's screen (8), and another layer is upper strata screen (14) for being arranged on the outer barricade of this metal enclosed layer.

3. Splitlevel shielding socket according to claim 2 is characterized in that: said lower floor screen (8) center is provided with setscrew nut (13), and upper strata screen (14) is sleeved on the setscrew nut (13), and making it can be that rotate in the center of circle with setscrew nut (13).

4. Splitlevel shielding socket according to claim 2; It is characterized in that: the elasticity reset device between said two screens comprises spring (16) and alignment pin (17); Said lower floor screen (8) is provided with arc groove (18); The relevant position of said upper strata screen (14) is provided with said alignment pin (17), and spring one end is connected in the arc groove, and the other end is connected with alignment pin (17).