JP2551456Y2 - Multi-pole connector - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a multi-pole connector for connecting a multi-pole contact provided on a card such as an IC memory card to a multi-pole contact provided on a computer or the like. .

[0002]

2. Description of the Related Art In recent years, computers using the above-mentioned types of cards and related devices are strongly required to be miniaturized, and connectors having a thickness of several mm are required. In such a thin connector, an eject mechanism is often provided in order to enhance operability when removing a card.

In a conventional connector, when a pressing operation member is pushed in, a card pushing member supported by the connector moves in a card ejection direction, that is, in a rearward direction in conjunction with the pushing operation of the operation member. And the front end of the card is pushed backward by the rotation of the card pushing member, and the card is pulled out.

In such a conventional connector, the direction in which the operating member is pushed out when the card is pulled out is opposite to the direction in which the card is pushed out, that is, the card pulling out direction.

[0005]

[Problems to be Solved by the Invention] However, in consideration of various circumstances, such as the type of equipment to which the connector is attached and the attachment location, the pushing direction of the operation member and the card removal direction are the same. Is often preferred in terms of operability.

The present invention has been made in view of the above circumstances, and it is an object of the present invention to provide a connector in which a pushing direction of an operating member, that is, an operating direction by an operator and a card removing direction are the same. . Another object of the present invention is to provide a connector that requires less operation force by an operator when removing a card. Still another object of the present invention is to propose a lock mechanism for preventing an erroneous operation such as a card being accidentally pulled out, and to provide a switch function for the lock mechanism to reliably display a locked state of the lock mechanism. To be able to do it.

[0007]

According to a first aspect of the present invention, there is provided a connector body having a plurality of pin contact pieces projecting therefrom and projecting from left and right ends of the connector body, respectively. A left and right guide frame portion for sliding the pin insertion holes to the left and right edges of the card provided on the front end surface to guide the card in the front-rear direction, Arm is connected to one side of the guide frame by a pin so as to be pivotable in the front-rear direction, an operating member provided at a predetermined position of the arm, and one side of the guide frame is slidably moved in the front-rear direction. A slider whose rear end is pivotally connected to the middle portion of the arm in the left-right direction so as to be rotatable in the left-right direction; and the guide frame portion formed at the front end of the slider and which slides in the front-rear direction. In front of the space for the card set between Is intended to includes a card push portion which is projecting and retracting relative position, the.

According to a second aspect of the present invention, a switch mechanism for accommodating a changeover switch having an operation body reciprocally operated in a switch holding portion is provided on a guide frame portion on the other side. Only when the arm is swung to the position where it has been withdrawn from the space for use, a recess is provided at the other end of the arm that allows the operating body of the switch mechanism to be inserted and removed.

[0009]

According to the first aspect of the present invention, when the operation member is pulled in the card removal direction in a state where the card is set in the card setting space, the arm pivots rearward with the pin connection portion as a fulcrum. The slider slides rearward following the guide frame on one side while rotating relative to the arm. For this reason, the card pressing portion projects to the front end of the card setting space, and the front end of the card set in that space is pressed rearward to eject the card. When the card is pulled out rearward, the card is guided straight by the left and right guide frames.

According to the second aspect of the present invention, when the arm is swung to the position where the card pressing portion is withdrawn from the card setting space, the operating body of the switch mechanism is operated to move the card pressing portion into the recess of the arm. When fitted, the arm is locked by the operating body. For this reason, in this state, the arm cannot be rotated rearward about the pin connection point. Locked. In addition, when the operating body is operated from the locked state to release the arm from the recess, the locked state is released, so that the arm can be rotated rearward with the pin connection point as a fulcrum. Since the operation of the operation body is the same as the operation of switching the changeover switch on and off, the lock state and the lock release state can be displayed by switching the changeover switch.

[0011]

1 is an external view of a connector according to an embodiment of the present invention, and FIGS. 3 and 4 are plan views of the connector. Long connector body 1 in the left-right direction A made of insulating synthetic resin
A large number of pin contact pieces 21 and 31 are provided in the upper and lower two rows at equal intervals so as to protrude toward the rear Y.
A terminal 22 extends through the connector body 1 and extends to the front X thereof. The other pin contact pieces 31
The connector body 1 is folded back into a U-shape through the connector body 1, and the folded portion is formed as a pin contact piece 31 a protruding rearward Y along the lower surface of the connector body 1. The many pin contact pieces 21 in the upper row and the many pin contact pieces 31 in the lower row form pin contact piece groups 2 and 3, respectively.

Guide frame portions 4 and 5 protrude from left and right ends of the connector body 1, respectively. The distance between the guide frame portions 4 and 5 is substantially the same as the width of the card C. Further, the guide frame portions 4 and 5 have support plates 41 and 51 for supporting the card C from below and ribs 42, 43 and 5 which fit into grooves C3 formed on the side surface of the card C.
2, 53 together with are integrally formed, the flat plate portion 44 is horizontally provided integrally between the lower rear cross each guide frame portions 4 and 5, further upper portion of the rear end of each guide frame portions 4 and 5 < The inwardly protruding pieces 45 and 55 are provided integrally.
The card insertion slot 6 is formed by the flat plate portion 44, the rear end portions of the left and right guide frame portions 4 and 5, and the projecting pieces 45 and 55. Therefore, when inserting or removing the card C from the card insertion slot 6, the card C is guided by the left and right guide frames 4, 5 and the support pieces 41, 51, and the groove C3 of the card C is 4
Guided at 2,43,52,53. In addition, a long recess 54 is formed in the front and rear guide frame 5 on the right side of the connector main body 1.

An arm 7 is provided so as to straddle the left and right guide frames 4, 5, and one end of the arm 7 is superimposed on the upper surface of the left guide frame 4, and one end of the arm 7 is guided. A pin member 71 such as a rivet is connected to the frame portion 4 so as to be rotatable in the front-rear direction. The arm 7 is formed so as to gradually expand from one end to the other end, and has a front end 72 and a rear end 7 at the wide end.
3 are formed. A spring member 74 made of a compression coil spring is stretched between the front protruding piece 72 and the front end of the recess 54. Therefore, the arm 7 is constantly pulled forward X by the spring member 74. Also, the rear protruding piece 73 is formed in a U-shape,
The U-shaped rear protruding piece 73 is fitted into the overhanging piece 56 formed on the right guide frame 5, and the right side is formed by engagement of the overhanging piece 56 and the rear protruding piece 73. Of the arm 7 from the guide frame 5 is prevented. In addition,
The end surface of the overhanging piece portion 56 is formed in an arc shape centering on the pin member 71. A holding piece 75 bent upward is provided on the rear end edge of the arm 7, and a cap-type operation member 76 made of insulating synthetic resin is press-fitted and held in the holding piece 75. The operation member 76 is projected from, for example, the device surface.

The slider 8 has a U-shaped fitting portion 8.
1, a connecting piece 82 extending rearward Y from an upper piece of the fitting portion 81, and a step-like card pressing portion 83 formed to project further forward X from the front end of the fitting portion 81. And a contact piece 84 formed in the connecting piece 82 in a cut-and-raised shape. The fitting portion 81 is fitted into the front end of the left guide frame 4 so as to follow the guide frame 4 so as to be slidable in the front-rear direction, and the rear end of the connecting piece 82 is connected to the arm 7. Is pin-coupled to the middle part in the left-right direction A using a pin 85 so as to be rotatable in the left-right direction A.
An L-shaped guide groove 11 formed at a boundary between the connector body 1 and the left guide frame 4 on the card pressing portion 83
Is slidably fitted in the front-rear direction. The contact piece 84 is connected to the connector body 1 and the left and right guide frame parts 4 and 5.
And faces the card set space S surrounded by. When the slider 8 slides toward the rear Y, the card pressing portion 83 protrudes rearward Y from the guide groove 11 and protrudes to the front end of the space S.
Slides forward X, it retreats forward X from the front end of the space S and fits in the guide groove 11.

Pin connection point P between slider 8 and arm 7
1 is a pin connection point P between the arm 7 and the left guide frame 4
Are set close to each other, and the distance between them is
And the distance between the pin connecting portion P of the first guide frame 4 and the operation member 76 is shorter than the mutual distance.

A switch mechanism 9 is provided on the right guide frame 5. As shown in an exploded perspective view in FIG. 2, the switch mechanism 9 includes a box-shaped switch holding portion 91 protruding toward the right guide frame 5 toward the side thereof, a changeover switch 97, and an operating body. 93. Switch holding part 9
1 has an opening 92 formed therein. The operating body 93 includes a knob 94 protruding upward, a fitting portion 95 corresponding to the opening 92, and slide portions 96, 9 protruding to the side of the fitting portion 95.
6, and has an engagement hole (not shown) on the rear surface side to be fitted to the operation portion 98 of the changeover switch 97. Then, the engagement hole of the operation body 93 is set to the changeover switch 97.
The operation body 93 is mounted on the changeover switch 97 in a state where the operation body 98 is fitted to the operation part 98, and the operation body 93 is housed in the switch holding part 91, and the fitting part 95 is projected from the opening 92.

With this configuration, the operation unit 9 of the changeover switch 97
8 is operated by reciprocating the operating body 93 in the left-right direction A inside the opening 92, for example, when the switch 97 is turned on when it is operated to the left, and when it is operated to the right. The changeover switch 97 is turned off.

On the other hand, a recess 77 is formed in the other end of the arm 7 in a notched shape. The recess 77 is formed at a position corresponding to the operating body 93 of the arm 7 when the card pressing portion 83 is retracted from the card setting space S into the guide groove 11 as shown in FIGS. . Therefore, the card pressing portion 83 is
Only when the arm 7 is swung to the position where it is retracted into the guide groove 11, the fitting portion 95 of the operating body 93 is
When the arm 7 is swung to another position, the recess 77 does not correspond to the fitting portion 95, and the fitting portion 95 cannot be fitted into the recess 77.

The card C has a pin insertion hole (not shown) on the front end face thereof, and a contact piece group corresponding to the pin contact piece groups 2 and 3 is provided inside the pin insertion hole.

With the above configuration, when the fitting portion 95 of the operating body 93 in the switch mechanism 9 is located to the right and is separated from the recess 77, the force of the spring member 74 constantly applied to the arm 7 causes The arm 7 pivots forward X with the pin connection point P as a fulcrum, the slider 8 slides forward X accordingly, and the card pressing portion 83 moves from the space S to the guide groove 1.
1 is in the state of having left. Therefore, in this state, the recess 77 of the arm 7 corresponds to the fitting portion 95. The position of the arm 7 and the slider 8 at this time is regulated by locking the rear projecting piece 73 to the switch holding portion 91 of the switch mechanism 9 as shown in FIGS. After the card C is inserted into the card setting space S from the card insertion slot 6, the left and right edges C of the card C are inserted.
1 and C2, the left and right guide frame portions 4 and 5, the support piece portions 41 and 5
1. When the card C is pushed in while being guided by the ribs 42, 43, 52, and 53, and the pin insertion holes of the card C are inserted into the pin contact pieces 2 and 3, the card C is inserted into the space S as shown by a virtual line in FIG. Is set to the appropriate position. Then, the contact piece 84 of the slider 8 contacts the card C set in the space S.
Contact. The contact piece 84 serves to release static electricity charged on the card C. For example, the contact piece 84 to which the static electricity of the card C is electrically connected, the connecting piece 82 of the slider 8, the arm 7, and the pin The member 71 is released through a ground terminal (not shown) fixed to the member 71.

After the card C is set in the space S as shown by the imaginary line in FIG. 3, the fitting portion 95 of the operating body 93 in the switch mechanism 9 is operated to the left as shown in FIG. When the fitting is performed, the fitting portion 95 moves the arm 7 in the front-back direction X, Y
The arm 7 is set in the locked state. Therefore, even if the operation member 76 is pulled backward Y, the arm 7 does not move, which prevents the card C from being pulled out due to erroneous operation. In this case, the changeover switch 97 of the switch mechanism 9 is turned on, and it is possible to operate a circuit for indicating that the lock state is established.

When the fitting portion 95 is operated to the right from this locked state to be disengaged from the recess 77, the locked state is released. Accordingly, when the operating member 76 is pulled rearward Y against the force of the spring member 74, the arm 7 rotates rearward Y with the pin connection point P as a fulcrum as shown in FIG. Slide to Y and press the card pressing portion 83
Project at the front end of the space S. For this reason, as shown by the phantom line in the figure, the front end face of the card C is pushed backward Y by the card pressing portion 83, and the card C is inserted into the card insertion slot 6.
(See FIG. 1). In this case, the changeover switch 97 of the switch mechanism 9 is turned off, and the operation of the circuit for indicating that the lock state is established may be stopped.

At the time of such a card removal operation, the slider 8 and the pressing portion 83 thereof move straight backward Y, and the card C has left and right edges C1, C2 at the guide frame portions 4,
5, support pieces 41, 51, ribs 42, 43, 52, 53
The card C is guided straight to the rear Y, so that the card C can be reliably pulled out without being twisted.

In this embodiment, the arm 7 is always urged forward X by the force of the spring member 74, but this spring member 74 is not indispensable. That is, when the spring member 74 is not provided, when the card C is pushed into the card setting space S, the card pressing portion 83 is pushed by the front end face of the card C and retreats from the space S into the guide groove 11. And
The slider 8 and the arm 7 move forward, and the recess 77 of the arm 7 corresponds to the fitting portion 95. Further, the switch mechanism 9 is not limited to the configuration in the illustrated example, and may be, for example, a rotary lever having a fulcrum as an operating body. The position of the operating member 76 is not limited to the illustrated example,
For example, the operation member may be projected further from the other end of the arm 7 to the side.

[0025]

According to the first aspect of the present invention, the operating direction of the operating member and the card removing direction are the same, which is advantageous when such operability is required. Also,
The card is pulled out by the front end face being pushed rearward by the card pressing portion of the slider that slides following the guide frame portion and guided backward by the left and right guide frame portions, so that the card is straightened. It is possible to provide a multi-pole connector having an effect that the card can be reliably removed and that has excellent card removal performance. further,
With the leverage principle, the card pressing part can increase the force to press the card while holding down the operation force of the operation member, so the operation force required for card removal can be reduced and the operability can be improved. It is.

According to the second aspect of the present invention, the lock mechanism for preventing erroneous operation and the switch mechanism used to indicate whether the lock mechanism is locked can be used. Therefore, there is no need to provide them separately, so that the configuration is simplified accordingly, and a connector suitable for recent thin orientation can be provided.

[Brief description of the drawings]

FIG. 1 is an external view of a connector according to an embodiment of the present invention.

FIG. 2 is an exploded perspective view of a switch mechanism.

FIG. 3 is a plan view of the connector according to the embodiment in a state where a card is set and an arm is locked.

FIG. 4 is a plan view of the connector according to the embodiment in a state where a card is pulled out and a state where an arm is unlocked.

[Explanation of symbols]

 C card C1, C2 Left and right edges of card 1 Connector body 2, 3 Pin contact piece group 4, 5 Guide frame 7 Arm 8 Slider 9 Switch mechanism 76 Operating member 77 Recess 83 Card pressing part 91 Switch holding part 93 Operating body 97 Changeover switch A Left / right direction A X Front Y Back S Space for card set P Pin connection point P1 Pin connection point

Claims (2)

(57) [Scope of request for utility model registration] 1. A card having a connector body protruding from a pin contact piece group and a pin insertion hole corresponding to the pin contact piece protruding from left and right ends of the connector body, respectively. A left and right guide frame portion that slides in contact with the left and right edges of the card and guides the card in the front-rear direction, and is disposed astride the left and right guide frame portions, and has one end portion on one side of the guide frame portion. An arm rotatably connected to a pin, an operating member provided at a predetermined position of the arm, and a guide frame portion on one side slidably in the front-rear direction, and a rear end portion in the left-right direction of the arm A slider that is pin-coupled to the middle part so as to be rotatable in the left-right direction, and formed at the front end of the slider,
And a card pressing portion which is moved back and forth with respect to a front end of a card setting space between the left and right guide frame portions as the slider slides in the front-rear direction. 2. A switch mechanism having a switch holding section and a changeover switch having an operation body to be reciprocally operated is provided on a guide frame section on the other side, and the card pressing section is retracted from a card setting space. 2. The multi-pole connector according to claim 1, wherein a recess is provided at the other end of the arm to allow the operation body of the switch mechanism to be inserted and removed only when the arm is swung to the set position.