CN100511861C

CN100511861C - Card connector

Info

Publication number: CN100511861C
Application number: CN 02816431
Authority: CN
Inventors: 八木正典; 伊东良和
Original assignee: Molex LLC
Current assignee: Molex LLC
Priority date: 2001-06-26
Filing date: 2002-06-14
Publication date: 2009-07-08
Anticipated expiration: 2022-06-14
Also published as: WO2003003526A1; CN1545753A; JP2003017186A; TW542463U

Abstract

A memory card connector includes a main body and mounted on the body for receiving a memory card therebetween. The card is insertable to a fully mated position, and the cover is mounted for movement on the body from an inoperative position to an eject position. An eject device includes a single spring mounted on the body and having a first portion. Operatively associated with the cover to bias the cover toward its inoperative position. A second portion of the single spring is operatively associated with the memory card for biasing the card in an eject direction away from its mated position.

Description

Card connector

Technical field

The present invention relates to the memory card connector technology, particularly relate to the device for ejecting of the improvement that is used for card connector.

Background technology

Fig. 9 has shown a kind of memory card connector of prior art, and its number in the figure is 10.This connector comprises a body 12 and a shell 14.Described shell 14 is slidably mounted on the body, and it can move between an idle position P1 and an ejected position P2; And label is 16 device for ejecting, is used to eject a memory card that inserts between connector body 12 and the shell 14.

Device for ejecting 16 comprises a rotating parts 18, and this rotating parts 18 is installed on the body 12 with same torsion-coil spring 20.One end of described torsion-coil spring abuts against on the inwall of described body, and its reverse end is fixed on the rotating parts 18, makes described rotating parts be rotated in a clockwise direction under helical spring promotion.

When shell 14 moves to its ejected position P2 from its idle position P1 slidably, the leading edge 18A of rotating parts 18 engages with the protuberance 14a that upper surface from shell 14 stretches out, thus the rotation of restriction rotating parts 18.

As shell 14 its ejected position of arrival P2, the leading edge 18A of rotating parts breaks away from the protuberance 14a of shell, and the energy that are stored in like this in the helical spring 20 impel rotating parts along turning clockwise.Described rotating parts has a card release 18b of portion, and when memory card was inserted between described body and the shell, card release portion can eject memory card along the direction that arrow A indicated among the figure.

After memory card ejected, shell 14 was under the effect of second spring 22 that is connected in the separation between described body and the shell, and its idle position P1 is returned in slippage.With it in combination, the effect lower edge of the protuberance 14a that engages with rotating parts on shell of rotating parts 18 is rotated counterclockwise.

The problem of the ejection system of the connector 10 of prior art is, need a torsion-coil spring 20 to realize the ejection of memory card, and one second spring 22 comes slippage shell 14.A plurality of spring elements like this make the number of elements of whole connector excessively increase, thereby have correspondingly increased the installation time of connector, have reduced the output of connector, have increased the cost of connector.Such a plurality of springs have also reduced the possibility of the simple and miniaturization of connector.The invention provides a kind of device for ejecting and solve the problems referred to above, this device for ejecting comprises single spring, and this spring has the multi-functional that a plurality of parts realize ejecting memory card and mobile shell.

Summary of the invention

The objective of the invention is to, a kind of new improved memory card connector that has improved device for ejecting is provided.

In an embodiment of the present invention, connector comprises a body and a shell that is installed on institute's body, holds a memory card therebetween.This memory card can insert a position that engages fully.Described shell is mounted on body and moves to an ejected position from an inoperative position.A device for ejecting, it comprises the single spring that is installed on the body.Described spring has a first, and it connects shell effectively with to its inoperative position bias voltage shell; And a second portion, it connects memory card effectively with along the ejection direction bias voltage card that leaves its bonding station.One restraint device, it effectively is connected between the second portion of described shell and described single spring, arrives its ejected position fully up to shell, and the second portion of described single spring is ejecting card.

Described single spring is a torsion-coil spring, and it has one can connect first part of case shell or first end and an effective second portion or an end opposite that is connected memory card.Especially, the end opposite of described torsion-coil spring is connected on the rotating parts of device for ejecting.Described rotating parts is around the central axis rotation of torsion-coil spring.

Described restraint device effectively is connected between described shell and the rotating parts, and it comprises a latch arm that is positioned on the shell, this latch arm and a latch surface engagement that is positioned on the rotating parts.The position of described latch arm is set to, and the latch arm leaves the latch surface when shell arrives ejected position fully.

Other purpose of the present invention, feature and advantage will present in the following detailed description and in conjunction with the accompanying drawings.

Description of drawings

With reference to following detailed also in conjunction with the accompanying drawings, goal of the invention that the present invention may be better understood and advantage thereof, label identical in the accompanying drawing is represented same parts, is summarized as follows:

Fig. 1 is the plan view of memory card connector of the present invention;

Fig. 2 is a lateral plan of seeing card in the past from Fig. 1 left-hand side;

Fig. 3-Fig. 8 is the amplification plan view in the corner, device for ejecting place of connector, has shown the precedence diagram of operation;

Fig. 9 is the plan view of the card connector of prior art as described in the background art.

Embodiment

Below with reference to more detailed accompanying drawing.Consult Fig. 1 and Fig. 2 earlier, memory card connector of the present invention label in the drawings is 30, and it is shaped as a thin box-like, sees it is a rectangle from plan view, and this connector comprises a body 32 and a shell 34.The stack of described shell is installed on the body, to be implemented in smoothly moving between an idle position P1 and the ejected position P2.A device for ejecting, number in the figure is 36, is used for ejecting C to of a memory card that is inserted between body 32 and the shell 34 along arrow A direction (Fig. 1) and inserts fully or link position, will be described later.

Body 32 has extended upward sidewall 32a (Fig. 2).The both sides of shell 34 have reclinate contact pin 34a, and contact pin 34a has the slit 34b of the lug boss on the sidewall 32a that holds body 32.The raised position that is arranged in the slit 34b not only is connected to shell on the body, but also guides shell with respect to the body slippage jointly.

As shown in Figure 2, the back side of body 32 or below a thin plate B is installed.This plate is a circuit board with wiring diagram and the terminal that is connected with wiring diagram, does not see wiring diagram and terminal among the figure.When described terminal inserts its complete link position in connector, these terminals engage with contact (not shown) below the memory card C.Wiring diagram on the cable 38 connecting circuit plate B.Though can't see from figure, the described terminal on circuit board passes through hole in the body 32 and enters card receiving space between body and shell 34, can connect the contact below the memory card like this when terminal is positioned at its complete link position.

Consult Fig. 3 and in conjunction with Fig. 1, device for ejecting 36 comprises a rotating parts 40, this rotating parts 40 is rotatably installed on the rotating shaft 42, and this rotating shaft 42 is wholely set with body 32, perhaps is installed on the body 32.Single torsion-coil spring 44 is around rotating shaft, and the central axes of the central axis of torsion-coil spring 44 and rotating parts 40.Usually, described single helical spring has a first or the first end 44a, and it is connected to shell 34 effectively with to its inoperative position P1 bias voltage shell.Torsion-coil spring 44 has a second portion or end opposite 44b, and it is connected to memory card C effectively with at ejection direction, i.e. the opposite direction bias voltage card of being indicated with arrow A (Fig. 1) of direction of insertion.

More specifically, the first of torsion-coil spring 44 or the first end 44a engage with the front end 34c of shell 34.The second portion of torsion-coil spring 44 or end opposite 44b are fixedly attached to rotating parts 40, and this rotating parts 40 has a card release 40a of portion that engages with the front end C1 of memory card C.

Usually, label restraint device that is 46 (Fig. 3) is connected effectively between the second portion 44b of shell 34 and torsion-coil spring 44 and prevents that helical spring second portion ejects memory card before shell arrives its ejected position P2 fully.Especially, also have a latch arm 48 on shell, this latch arm 48 engages with the surperficial 40b of the latch on the rotating parts 40.This latch arm is along the latch surface sliding, and up to the terminal point 50 on this latch arm arrival latch surface, herein, the latch arm breaks away from the latch surface and moves to an inner circumferential surface 40c, and its purposes will be described below.

The running of device for ejecting 36 will be described now.For the purpose that realizes ejecting, an ejector button 52 (Fig. 1 and Fig. 2) installs on the shell 34.Operating personnel press ejector button can so that shell 34 along direction slippage on body 32 of arrow B (Fig. 1).Shell is to move to its ejected position P2 from its idle position P1.In this sliding process, the front end 34c of shell engages with the first of torsion-coil spring 44 or the first end 44a.Fig. 3 has shown the position of the first end 44a of shell and spring when shell is positioned at its idle position.Fig. 4 has shown that shell is pushed to its ejected position, it can also be seen that, the first end 44a of torsion-coil spring moves with first end storage more energy at spring with shell.Yet, move even in Fig. 4, it should be noted that the latch arm 48 on the shell along the latch surface 40b of rotating parts 40, because latch arm 48 does not arrive the terminal point 50 of latch surface 40b, rotating parts 40 still can't turn clockwise.

Fig. 5 has shown the shell 34 that moves to ejected position P2 fully.Can see, latch arm 48 moves on the inner circumferential surface 40c after leaving the terminal point 50 of latch surface 40b, thereby rotating parts 40 direction along arrow C under the effect of the second portion of torsion-coil spring or end opposite 44b moves the fixedly connected rotating parts 40 of this end opposite clockwise.Under the effect of rotating parts, move clockwise, thereby the card release 40a of portion of rotating parts engages with the front end C1 of memory card C along arrow D direction ejection memory card at torsion-coil spring.

Fig. 6, Fig. 7 and Fig. 8 are the repetition of Fig. 5, Fig. 4 and Fig. 3 basically, show as memory card C during along arrow A (Fig. 6) direction insertion connector the reverse action of device for ejecting 36 respectively.Especially, the front end C1 of memory card C engages with the card release 40a of portion on the rotating parts 40 so that rotating parts moves in the direction of arrow E counterclockwise, also makes the second portion of torsion-coil spring 44 or end opposite 44b bias voltage or hold up in the counterclockwise direction simultaneously.

Fig. 7 has shown that memory card C inserts or being moved further of link position fully towards it.Yet because latch arm 48 has arrived the terminal point 50 of latch surface 40b, shell 34 is retracted its inoperative position P1 from its ejected position P2.

As shown in Figure 8, along with the first or the first end 44a of torsion-coil spring impels shell 34 to retract inoperative position P1 along the direction of arrow F, the latch arm 48 that is positioned on the shell 34 moves through terminal points 50 and along latch surface 40b.Fig. 8 shows that rotating parts 40 has one and protrudes junction surface 52, and it has a retainer, is used for engaging with latch arm 48 when shell is got back to its inoperative position.In other words, the retainer that protrudes junction surface 52 defined shell the outside or the inoperative position, the inner circumferential surface 40c of same rotating parts defined shell inside or ejected position.

Though specific embodiments of the invention are described in detail for explanation, do not break away from the spirit and scope of the present invention and can also make different changes and improvement.Therefore, the present invention should limit with claim.

Claims

1, a kind of memory card connector comprises:

A body (32), a shell (34) that is installed on the described body (32), hold a memory card (C) therebetween, this memory card (C) can be inserted into a position that engages fully, and described shell (34) is gone up at body (32) and moved to an ejected position (P2) from an inoperative position (P1); With

A device for ejecting (36), it comprises the single spring (44) that is installed on the body (32), and this spring has a first or first end (44a), and it connects shell (34) effectively with to its inoperative position (P1) bias voltage shell (34); And a second portion or an end opposite (44b), it connects memory card (C) effectively with along the ejection direction bias voltage card (C) that leaves its bonding station.

2, memory card connector as claimed in claim 1 is characterized in that, described single spring (44) is a torsion-coil spring.

3, memory card connector as claimed in claim 1 is characterized in that, the end opposite (44b) of described single spring (44) is connected on the rotating parts (40) of device for ejecting (36).

4, memory card connector as claimed in claim 3 is characterized in that, described rotating parts (40) is around the central axis rotation of torsion-coil spring.

5, memory card connector as claimed in claim 3 is characterized in that, described rotating parts (40) has an effective part (40c) that connects shell (34), defines the ejected position (P2) of shell (34).

6, memory card connector as claimed in claim 5 is characterized in that, described rotating parts (40) has an effective second portion (52) that connects shell (34), defines the inoperative position of shell (34).

7, memory card connector as claimed in claim 1, it is characterized in that, this connector also comprises a restraint device (46), it effectively is connected between the second portion of shell (34) and described single spring (44), arrive its ejected position (P2) fully up to shell (34), the second portion of described single spring (44) is ejecting card (C).

8, memory card connector as claimed in claim 7 is characterized in that, described restraint device (46) effectively is connected between shell (34) and the rotating parts (40), and described rotating parts (40) is connected on the end opposite (44b) of described single spring (44).

9, memory card connector as claimed in claim 8 is characterized in that, described restraint device (46) comprises a latch arm (48) that is positioned on the shell (34), this latch arm (48) and a latch surface engagement that is positioned on the rotating parts (40).

10, memory card connector as claimed in claim 9 is characterized in that, the position of described latch arm (48) is set to, and latch arm (48) leaves latch surface (40b) when shell (34) arrives ejected position (P2) fully.