CN1929212A

CN1929212A - Connection parts with screening elements

Info

Publication number: CN1929212A
Application number: CN 200610115519
Authority: CN
Inventors: 佐藤毅志
Original assignee: Honta Communication Industry Co Ltd
Current assignee: Honta Communication Industry Co Ltd
Priority date: 2005-09-06
Filing date: 2006-08-15
Publication date: 2007-03-14
Anticipated expiration: 2026-08-15
Also published as: CN1929212B; JP4541999B2; JP2007073288A

Abstract

The invention provides a connector with a shield of which the shape as a whole is downsized. In the connector with the shield insertion-coupling a receptacle connector and a plug connector, a cylindrical insulator at a side of the plug connector is provided with a shell and a given gap for assembly, and is formed without a gap for a bending portion of a contact spring in the shell at a side of the receptacle connector, and a plate thickness of the insulator is made thicker than a total of a plate thickness of the shell at the receptacle connector side and a bending portion of the contact spring of the shell. Further, a notched part for exposing the shell is provided at a part of the insulator at the plug connector side, so that the contact spring of the receptacle connector side is to contact the shell of the plug connector side as the contact spring of the receptacle connector side enters at insertion coupling.

Description

The connector of band shielding part

Technical field

The present invention relates to prevent that electromagnetic wave from invading or the connector of radiation-resistant band shielding part, and then specifically, relate to the inserted structure of this connector.

Background technology

Extremely shown in Figure 8 as Fig. 6 A, the connector 15 of band shielding part of the prior art, socket 16 and attachment plug 17 set contact 16a, 17a in the inboard, be enclosed with metal housing 16b and the 17b that is used to shield in its outside, in the outer side covers of this housing and be used for chimeric plastic outer wall 16c, 17c.

Above-mentioned socket 16 and attachment plug 17 are chimeric mutually, when seeking contact 16a, 17a connection, will be electrically connected and performance shield effectiveness (with reference to Japanese kokai publication hei 9-17513 communique) between housing 16b, the 17b.

Summary of the invention

But, the connector 15 of the band shielding part in the prior art, as shown in Figure 8, the housing 16b of socket 16 sides and outer wall 16c, and the housing 17b of attachment plug 17 sides and outer wall 17c, form overlapped respectively structure, therefore, the thickness of parts is laminated, makes the overall dimension of socket integral body strengthen.That is, as shown in Figure 8, housing 17b embeds in the housing 16b of socket 16 sides, constitutes the part of this housing 16b of the contact spring portion with outstanding to the inside jut 16d, because of this jut 16d deflection laterally.Institute's deflection is of a size of C2.So, around the size of the insulator 17c in the housing 17b outside, must be greater than the stack of the thickness of slab dimension D of the housing 16b of described deflection size C2 and socket 16 sides.Thus, outer wall 17c strengthens according to above-mentioned size, causes the internal diameter size of the outer wall 16c that accepts the outer wall 17c socket chimeric with it 16 sides also to become big.The connector of the band shielding part that the present invention relates to proposes in order to solve the problem that such diameter dimension is dwindled.

In order to reach the purpose that solves above-mentioned problem, the connector of the band shielding part that the present invention relates to is made of socket and attachment plug; Described socket is provided with: be provided in the contact of the central part of linking part, the metal holddown spring (グラ Application De バネ) around this contact and around the insulator in this holddown spring outside; Described attachment plug is provided with: be provided in the central part of linking part the contact, with the inboard chimeric metal housing of this holddown spring and center on this housing and with the insulator of the inboard chimeric tubular of the insulator of this socket; This holddown spring, by the root that forms U font roughly, respectively from the forwards extended contact spring of the two side front end portion of this root, extend from the rear end, two side of this root respectively and laterally the linking part of warpage form as one, simultaneously, form the jut of the housing contact of attachment plug in the inboard of this contact spring portion; The insulator of this attachment plug forms, and has the gap of the usefulness of assembling between this housing, but the contact spring portion that is not provided with on this holddown spring carries out the gap that deflection is used; The thickness of slab size of described insulator forms bigger slightly than the deflection size sum of the thickness of slab size of this holddown spring and this contact spring portion; Simultaneously, be formed with the notch that exposes described housing at the leading section of the insulator of this attachment plug, thereby, enter described notch in this contact spring portion when chimeric and contact with this housing.

Connector according to band shielding part of the present invention, accept the contact spring portion of the holddown spring on the socket by the notch of the insulator of attachment plug side, simultaneously, because of with the deflection size of the contact spring portion of the chimeric deflection laterally of the housing of attachment plug and the thickness of slab size of holddown spring, be controlled in the scope of thickness of slab of the notch on the insulator of this attachment plug side, thereby, do not need contact spring portion to carry out the gap that deflection is used between the insulator of this attachment plug and the housing, can make the radial dimension of attachment plug littler than of the prior art.Therefore, also can reduce the overall dimensions with the chimeric socket of this attachment plug, can realize miniaturization with the connector of shielding part.

Description of drawings

Figure 1A, 1B and 1C are respectively vertical view, side view and the front elevations of the socket in the connector of the band shielding part that the present invention relates to of expression.

Fig. 2 is the central longitudinal sectional view of the socket among Fig. 1.

Fig. 3 A, 3B, 3C and 3D are respectively left surface figure, vertical view, right hand view and the front elevations of the housing on the socket in the presentation graphs 1.

Fig. 4 A, 4B and 4C are respectively vertical view, side view and the front elevations of the attachment plug in the connector of the band shielding part in the presentation graphs 1.

Fig. 5 be used for the attachment plug among key diagram 1 socket and Fig. 1 size relationship, with the A-A line sectional view (left side) among Figure 1B and the B-B line sectional view (right side) among Fig. 4 B key diagram of configuration expression side by side.

Fig. 6 A, 6B and 6C are respectively vertical view, side view and the front elevations of the socket in the connector of the band shielding part that relates in the conventional example of expression.

Fig. 7 A, 7B and 7C are respectively vertical view, side view and the front elevations of the attachment plug in the connector of the band shielding part in the presentation graphs 6.

Fig. 8 be used for illustrating Fig. 6 socket of conventional example and the attachment plug among Fig. 6 size relationship, with the C-C line sectional view (left side) among Fig. 6 B and the D-D line sectional view (right side) among Fig. 7 B key diagram of configuration expression side by side.

Embodiment

The connector 1 of the band shielding part that the present invention relates to is made of the attachment plug shown in the socket shown in Figure 1A～1C 2 and Fig. 4 A～4C 7.On this socket 2, setting respectively: the holddown spring 4 of a part and around the insulator 5 in these holddown spring 4 outsides in four contacts 3 of the central part of its linking part 2a, around this contact 3.Buckleing metal housing 6 in the outside of this insulator 5, with these holddown spring 4 conductions.

This holddown spring 4 by: roughly form the root 4a of U font, respectively from the forwards extended contact spring 4b of portion of the two side front end of this

root

4a, 4b and extend from the rear end, two side of this root 4a respectively and laterally the linking part 4c, the 4c that form of warpage form as one.At the inboard jut 4d that forms with hemispherical projection of the leading section of the 4b of this contact spring portion.When described holddown spring 4 was inserted to this insulator 5, this linking part 4c stretched out to the outside of this insulator 5, contacted with this housing 6 and conducted electricity.

In this attachment plug 7, shown in Fig. 4 A～4C, setting respectively: in four contacts 8 of the central part of its linking part 7a, with the inboard chimeric metal housing 9 of the holddown spring 4 of socket 2 sides and center on this housing 9 and with the inboard chimeric insulator 10 of the insulator 5 of socket 2 sides.Be formed for when chimeric, preventing the lock pawl 11 of throwing off at the upside of this insulator,, excise and form notch 10a vertically exposing these housing 9 ground in the leading section both sides.Reference numeral 12 expression cables among the figure.

As shown in Figure 5, the insulator 10 of the tubular of described attachment plug 7 sides forms: and this housing 9 between have the specified gap C1 that is used to assemble, simultaneously, be not arranged to the 4b of contact spring portion on the holddown spring 4 of socket 2 sides again and carry out the gap that deflection uses (suitable) with the C2 among Fig. 8 of expression conventional example.And the thickness of slab size of this insulator 10 is greater than deflection size (C2 among Fig. 8) sum of the 4b of contact spring portion of the thickness of slab size (D among Fig. 8) of the holddown spring 4 of these socket 2 sides and this holddown spring 4a.Thus, the 4b of contact spring portion deflection in the thickness of slab size of insulator 10, thereby, in design during this insulator 10, need not be designed to comprise the big size of the deflection size (C2) of the 4b of this contact spring portion.

When the socket 2 of Xing Chenging carried out chimeric the connection with attachment plug 7 as described above, among this notch 10a, the 4b of contact spring portion of socket 2 sides directly contacted conduction with the housing 9 of attachment plug 7 sides.Thus, by holddown spring 4, housing 6 and housing 9 performance shielding actions.

Use such socket 2 and attachment plug 7, the contact 8 of chimeric attachment plug 7 sides in the connector 3 of socket 2 sides, the housing 9 of attachment plug 7 is inserted among the linking part 2a of socket 2, like this, the jut 4d that enters the 4a of contact spring portion of notch 10a contacts with this housing 9, the 4b of this contact spring portion deflection laterally.

Even in the occasion of this 4b of contact spring portion deflection, also be controlled in the scope of thickness of slab size E of insulator 10 of this notch 10a.That is, as shown in Figure 5, the width of horizontal (left and right directions) of attachment plug 7 is S+2 * (C1+B+C1+E).C1 is the gap that is used for assembly error.And the transverse width W1 of socket 2 is: W1=S+2 * (G+F+E+B+3C1).

With the attachment plug 17 in the connector 15 of itself and band shielding part of the prior art shown in Figure 8 and socket 16 relatively, attachment plug 17 is: S+2 * (C1+B+C1+D+C2+E), the size of the attachment plug 7 that the present invention relates to is littler by 2 * (D+C2) than it.And the transverse width W2 of socket 16 is in the prior art: W2=S+2 * (G+F+E+B+C2+D+3C1), the size of the socket 2 that the present invention relates to is littler by 2 * (D+C2) than it.

By adopting the inserted structure of above-mentioned attachment plug 7 and socket 2, the connector 1 of the band that the present invention relates to shielding can be realized miniaturization.Under situation about being installed on the printed circuit board (PCB), can reduce transverse width with the connector 1 of shielding, thus, can enlarge the effective area when installing, help carrying out high-density installation.

Claims

1. the connector with shielding part is made of socket and attachment plug; Described socket is provided with: be provided in the contact of the central part of linking part, the metal holddown spring around this contact and around the insulator in this holddown spring outside;

Described attachment plug is provided with: be provided in the central part of linking part the contact, with the inboard chimeric metal housing of this holddown spring and center on this housing and with the insulator of the inboard chimeric tubular of the insulator of this socket;

This holddown spring, by the root that forms U font roughly, respectively from the forwards extended contact spring of the two side front end portion of this root, extend from the rear end, two side of this root respectively and laterally the linking part of warpage form as one, simultaneously, form the jut of the housing contact of attachment plug in the inboard of this contact spring portion;

The insulator of this attachment plug forms, and has the gap of the usefulness of assembling between this housing, but the gap that the contact spring portion on this holddown spring carries out deflection is not set; The thickness of slab size of described insulator forms bigger slightly than the deflection size sum of the thickness of slab size of this holddown spring and this contact spring portion;

Simultaneously, be formed with the notch that exposes described housing at the leading section of the insulator of this attachment plug, thereby, enter described notch in this contact spring portion when chimeric and contact with this housing.