CN2394346Y - Card connector - Google Patents

Abstract

The utility model relates to a card connector with the aim of providing a lower height. The utility model can be connected with a card provided with a signal contact part on one surface with high reliability. A card connector 10 is provided with a grounding contact 60 and a contact 50 which is used for contacting a grounding contacting part and a signal contacting part are arranged on one surface of a contained card. The grounding contact 60 and the contact 50 are arranged on the same side of the card connector side by side.

Description

Card connector

The utility model relate to a kind of be used to hold card and with the card connector that is electrically connected of card, particularly a kind of comprising and the card connector that is arranged on the earthing member that the ground connection contact site that respectively blocks a side links to each other.

Such card connector is disclosed in Japanese patent application 8-241764.Disclosed card connector disposes the housing that holds card at the medial extremity of the frame unit of guiding card.Except the contact that is used for connecting with the corresponding contact of the connector component that is arranged on the card end, housing also dispose be arranged on hold respectively block the earthing member that a lip-deep ground connection contact site is connected.

Developed various card with special purpose in recent years, they have identical shape and size with traditional jig, but have locational signal contact site (as being positioned on the first type surface) beyond the end of being arranged on.The purpose of this utility model is to provide a kind of card connector, and its maintenance and the structure that generic card well is connected can also be connected highly reliably with the card of above-mentioned specific type simultaneously.

Card connector of the present utility model has the housing that (i) holds card; (ii) first contact that when holding the card that the end has contact, is connected with the contact of these cards; (iii) with an earthing member that lip-deep ground connection contact site is connected that is positioned at each card, card connector is characterised in that, the same side at earthing member is provided with second contact along earthing member, and second contact is connected with the described signal contact site that is arranged on each card surface when holding card.

Earthing member preferably includes a plurality of contacts that are separated from each other, and above-mentioned second contact is arranged between the contact of a plurality of formation earthing members.

The earthing member and second contact are preferably made by metallic plate, and the position on these plate surfaces is coplanes.

The earthing member and second contact preferably enter first and second passages or the groove that one of housing surface forms by interference fit and distinguish fastened location.

The earthing member and second contact preferably have the interference fit shoulder with specific correlation alignment, and earthing member is force-fitted in the housing with identical technology with second contact.

The corresponding contact site of the earthing member and second contact forms row with respect to the direction of holding of card in different positions.

First contact, earthing member and second contact link to each other with other circuit board by a multilayer circuit board that is positioned at the card connector rear end surface.

Card connector of the present utility model is characterised in that and blocks second contact and the earthing member that a lip-deep signal contact site links to each other and be arranged side by side in the same side of card connector.Therefore, in the structure that keeps the legacy card connector, can obtain and being connected of the high reliability of the card that is provided with the signal contact site on a surface.Specifically, the utility model can be realized highly the configuration that reduces, thereby the utility model is applicable to require the notebook type PC etc. of lower height and reduced size.

Describe in detail to constitute preferably the work card connector of configuration of the utility model with reference to the accompanying drawings.

Fig. 1 shows and constitutes preferably the work overall structure of card connector of configuration of the utility model, and Figure 1A is a plane graph, and Figure 1B is an end view;

Fig. 2 shows the contact site of card connector among Fig. 1, and Fig. 2 A is a longitudinal sectional view, the fragmentary, perspective view of Fig. 2 B for seeing from behind;

The schematic diagram of the contact action of grounding contact and additional contact when Fig. 3 shows card when special purpose and is contained in card connector among Fig. 1.

Card connector 10 of the present utility model is used to hold the card 100 PC card of PCMCIA standard (particularly based on), and is electrically connected with these cards.In Fig. 1, card connector 10 has the connector 20 that holds card 100 ends, to the guiding frame section 11 of connector 20 guiding card, and the bullet mechanism for card of installing along a side surface of frame section 11.Although not shown, in connector 20, holding a plurality of contacts.The card 100 of insertion frame section 11 is guided by frame section 11 and is reached connector 20, is positioned at the contact that respectively blocks 100 ends and links to each other with the contact of connector 20 inside.Contact can link to each other with another circuit board that card connector 10 is installed by the circuit board 150 that is installed in connector 20 rear sides.Specifically, in Figure 1A, show the connector 130 that is installed on another circuit board and is used for being connected with circuit board 150.

Card connector 10 disposes additional contact (second contact) 50, is used for the surface at Connection Card on the position of the end face of card connector.According to needs in recent years, second contact blade is connected with the additional signals contact site with the zone (as a surface) beyond this types of cards medial end portions.Specifically, card connector of the present utility model is characterised in that this additional contact 50 is arranged side by side on a surface of connector 20 with grounding contact (earthing member) 60.To describe this structure in detail below.

Fig. 2 shows the contact site of card connector shown in Figure 1.Fig. 2 A is a longitudinal sectional view, the fragmentary, perspective view of Fig. 2 B for seeing from behind.At this moment, in Fig. 2 B, only be illustrated in the circuit board of card connector back.

In Fig. 2 A, be bearing in the housing 22 of connector 20 with the protruding contact that is connected (first contact) 40 with the contacts mates that is arranged on the generic card end.These contacts 40 are by being force-fitted in the housing 22 and fastening location, and the contact site 42 that is used for contacting with the inside contact of card is arranged to two rows in corresponding connector 21a of portion and 21b inside that housing 22 forms.In addition, with reference to Fig. 2 B also as can be seen, contact 40 comprises and is used for the connecting portion 42 that is connected with circuit board 150.

From Fig. 2 A and 2B as can be seen, in two 21a of connector portion and 21b, have only the last connector 21a of portion to have aforesaid grounding contact 60 and contact 50; And 65 of earthing members are arranged among the 21b of lower connector portion.Grounding contact 60 and earthing member 65 be used for by with contact and form grounded circuit near being arranged on the lip-deep ground connection contact site that is contained in the corresponding connector 21a of portion and 21b generic card 100 or special purpose card end.The shape of earthing member 65 is not shown in the drawings, but these earthing members 65 can be made at Width punching press and crooked metallic plate of connector 22 by (for example).Similar with contact 40, grounding contact 60, contact 50 and earthing member 65 comprise the connecting portion 62,52 and 67 that links to each other with circuit board 150 by modes such as welding.In addition, be arranged in corresponding connector 21a and 21b and grounding contact 60 and contact 50 in the face of and metalwork 35a and the bullet kelly of 35b faced with earthing member 65 in connector 20, pivoting.

Specifically, shown in Fig. 2 B, the grounding contact 60 and the additional contact 50 that are arranged in the connecting portion 21a of top side are force-fitted in housing 22, make these contact coplanes.These contacts have corresponding contact blade 61 and 51, and contact blade has elasticity and comprises contact projection 64 and 54, and these contacts projectioies 64 and 54 are crooked and make it inwardly outstanding.Contact projection 64 with 54 since contact blade 61 contact with the signal contact site of ground connection contact site and special purpose card is stable with enough elastic forces of 51.As shown in the figure, contact blade 61 and 51 has roughly the same shape and size, and stretches out from the fastening part 63 and 53 that is fastened on the housing 22 respectively.In addition, as can be seen from the figure, be press-fitted protruding 63a, 53a side setting of 63,53 along the fastening part.Opening 23a, 23b forms at the end face of housing 22, so that provide enough elastic spaces for contact blade 61 and 51 when reducing housing 22 height.

Grounding contact 60 and additional contact 50 preferably form by punching press and crooked same metallic plate.The grounding contact 60 and the additional contact 50 that adopt this method to form can be press-fit into housing 22 in same technology.Therefore, be used for the technology that these parts are fastened on the housing 22 is simplified, and assembly fee is reduced.In addition, by forming contact members 61 and 51 with same shape and size, can obtain such advantage, promptly adopt a mould to form two types contact blade, in addition, helping with the contact is the size Control of purpose and spring design, can guarantee the connection reliability with the signal contact site (the particularly latter's contact site) of ground connection contact site and special purpose card.In addition, the position of the contact projection 64 of contact blade 61 is identical with the position of the flexure strip of the disclosed card connector earthing member of above-mentioned Japanese patent application 8-241764.In other words, card connector 10 of the present utility model can link to each other with the card of special purpose, is simultaneously to keep good characteristic under the situation that generic card connects when upper frequency (sic).

Fig. 3 illustrates the schematic diagram of the contact action of grounding contact and additional contact when card is installed.

Fig. 3 show the special purpose card 100 that is contained in the card connector 10 '.The shape and size that this card 100 ' have and generic card 100 are identical, but also have ground connection contact site 121 and signal contact site 122 at a first type surface 110.Ground connection contact site 121 and signal contact site 122 comprise respectively from block 100 ' surface 110 the contact projection 121a and the 122a that project upwards.These contact projections are arranged on along card and hold on the position that changes on the direction, therefore, when in card 100 ' time (seeing arrow A), be installed, contact blade 61 at first with card 100 ' interfere in ends, contact blade 51 interferes afterwards.Therefore, the peak value of required insertion force of card 100 ' when being received shift and make card 100 ' hold and can carry out smoothly.When card 100 ' when being held fully, contact blade 61 links to each other with 121b with contact projection 121a respectively with contact blade 51.In addition, the card 100 ' needn't comprise the interior contact that links to each other with contact 40.

More than described according to the utility model card connector that configuration constitutes of preferably working.Yet this work configuration is an example, and those of ordinary skill in the art can be further improved and conversion.For example, in preferred work configuration of the present utility model, grounding contact 60 and additional contact 50 are fastened on the housing 22 by interference fit, yet these contacts also can be fastened on the housing by embedding mould etc.In addition, in preferred work configuration of the present utility model, in the shape of grounding contact 60 and additional contact 50, corresponding fastening part 63 and 53 length are the (see figure 3)s that changes; Yet, also can realize such structure, promptly shift the peak value of insertion force, and the length of fastening part is identical by the degree of depth that changes interference fit.

Claims (1)

1. a card connector has the housing that (i) holds card; (ii) first contact that when holding the card that the end has contact, is connected with the contact of these cards; (iii) the earthing member that is connected with the lip-deep ground connection contact site that is positioned at described each card is characterized in that,

The same side at earthing member is provided with second contact along earthing member, and second contact is connected with the described signal contact site that is arranged on each card surface when card is installed.

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