JPH0758462A - Insertion and extraction mechanism for electronic circuit package - Google Patents

Abstract

PURPOSE:To gurantee reliably the loading rate of an electronic circuit package in a box body and the energizing state of the package even if the package is used for a long period by a method wherein a hook to project by the pressure of a spring is put in a hole formed in the edge part of the box body to engage with the edge part and the wiring patterns, which correspond to the power wirings of the package, of a handgrip part are made to coincide with the respective power wirings to bring into contact with the power wirings. CONSTITUTION:A box body is constituted into a structure, wherein guide grooves 10 formed in the surface of an electronic circuit package 11 in such a way as to extend in the direction vertical to the insertion direction of the electronic circuit package 11 and guide pins 9 to project from the surface on the inner side of a handgrip part 1 can be slided in fitting guide grooves 10. Moreover, a slotted part 13 is formed on the side of the lower end of the handgrip part 1 and the width of this slotted part 13 has an enough width to insert bent edge parts 14 in an opening part formed in the box body 12. When the handgrip part 1 is moved in the direction shown by an arrow (b), the slotted part 13 enters the edge part 14 to prevent the package 11 from slipping off from the box body. Moreover, a lever 3 mounted on a rotary 6 is provided for deciding the position of the part 1 to engage the movement of the part 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention has an electronic component mounted on the surface of a plate member and is connected to one side of an electronic circuit package in which power wiring and an electronic circuit for energizing and operating the electronic component are formed. An electronic circuit package insertion / removal mechanism that includes a handle portion, and pushes the handle portion and inserts it from the opening of the box body to connect the connector to the box body or to grasp the handle portion and pull out from the box body to disconnect the connector connection. Regarding

[0002]

2. Description of the Related Art FIG. 3 is a partial side view showing an example of a conventional electronic circuit package insertion / removal mechanism in a locked state.
Conventionally, this type of insertion / extraction mechanism for an electronic circuit package is disclosed in, for example, Japanese Utility Model Laid-Open No. 41782/1992. As shown in FIG. 3, this electronic circuit package insertion / removal mechanism includes a mounting lever 39 rotatably attached to an end of an electronic circuit package 38 inserted into a unit 34, which is a box, via an axis. A conductive pattern 36 is formed on one of the front and back surfaces of the mounting lever 39, and a display tool 33 connected to the conductive pattern 36 and attached to the rear surface of the mounting lever 39 is provided. When 38 is pushed into the unit 34 and completely inserted, the footprint 31 of the conductive pattern 30 formed on the electronic circuit package 38 and the contact 32 of the conductive pattern 36 of the mounting lever 39 come into contact with each other to turn on the display 33. is there.

FIG. 4 is a plan view showing another example of a conventional electronic circuit package insertion / removal mechanism. Another example of the electronic circuit package insertion / extraction mechanism is disclosed in Japanese Patent Laid-Open No. 63-153899. This electronic circuit package insertion / removal mechanism can be inserted / removed without damaging the electronic components mounted in the power-on state. The mechanism is, as shown in FIG. 4, rotatably attached to an in-package rotation attachment portion electrode 45 protruding in a part of the electronic circuit package body 40, and the package opening / closing portion electrode 46 is attached when the electronic circuit package body 40 is inserted or removed. The ejector 41 with a printed wiring is provided which has a conductive portion to be inserted into and removed from the rotary attachment portion electrode 45 in the package and which conducts and does not conduct.

The electronic circuit package body 40 is connected to a power supply terminal for supplying power to all electronic components 50 and a negative terminal via a resistor to connect the package opening / closing section electrode 4
6, a three-state buffer circuit 48 having a comparator 47 connected to the plus terminal via printed wiring and an enable terminal connected to the output terminal of the comparator 47 via printed wiring is provided.

As described above, the three-state buffer circuit 48 is provided by the operation of the ejector 41 with the printed wiring for inserting and removing the electronic circuit package and the switch function of the comparator 47.
Of the three-state buffer circuit to a high impedance state by controlling the enable terminal of, and even if the electronic circuit package 40 is inserted and removed while the voltage is supplied to the power supply terminal, the electronic component of the surge voltage generated at the power supply terminal Has no adverse effect on.

[0006]

In any of the conventional insertion / removal mechanisms for electronic circuit packages described above, one end portion of a mounting lever or an ejector with a printed wiring, in which the means for locking the electronic circuit package in the box is a lever-shaped member. Is abutted on the inner wall of the box and fixed to the box by the repulsive force of the elastic deformation of the end. If it is used for a long period of time, it may wear out at the end or deform the inner wall of the box, which makes it impossible to fix it. In the former example, there is also a problem in that the footprint and the contact are displaced due to excessive rotation of the mounting lever. Moreover, such fixing means remain fixed under static conditions, but not under vibrating dynamic conditions. There is a problem that the mounting lever or the ejector with a printed wiring gradually rotates due to external vibration, and the fixing due to the contact between the end portion and the inner wall of the box is loosened, and the electronic circuit package comes off from the connector of the box.

Therefore, it is an object of the present invention to easily and surely guarantee the accuracy of loading the electronic circuit package into the box body and the activation of the electronic circuit even after long-term use. An object of the present invention is to provide an electronic circuit package insertion / extraction mechanism in which the electronic circuit package does not come off from the connector of the box body even if vibration from the outside is transmitted.

[0008]

A feature of the present invention is that one side of an electronic circuit package in which electronic components are mounted on the surface of a plate member and power supply wiring and an electronic circuit for urging and operating the electronic components are formed. An electronic circuit package which has a handle portion connected to the box body, pushes the handle portion, inserts the handle portion from the opening of the box body, connects the box body to a connector, and pulls the handle portion from the box body to disconnect the connector. In the insertion / extraction mechanism, a wiring pattern corresponding to the power supply wiring formed on the surface of the grip portion facing the electronic circuit package, and a display tool connected to the wiring pattern and attached to the back surface of the grip portion, The electronic circuit package and the grip portion are connected to each other by a protrusion member that can slide in a direction perpendicular to the insertion direction, and a mechanism that is connected to each other by a groove portion that fits in the protrusion member; Locking means for sliding the grip portion in a straight direction to fit the slitting portion formed at the end portion of the grip portion into the edge of the opening, and hooks protruding by spring pressure in the hole of the edge portion. An insertion / removal mechanism plate for an electronic circuit package, which is inserted and locked, and wiring positioning means for bringing the wiring patterns of the grip portions corresponding to the power supply wirings into contact with each other for the power supply wirings of the electronic circuit package.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, the present invention will be described with reference to the drawings.

1A and 1B are a partial sectional side view and an AA sectional view showing an embodiment of an inserting / pulling-out mechanism for an electronic circuit package according to the present invention. As shown in FIG. 1, this electronic circuit package insertion / removal mechanism includes a handle portion 1 connected to one side of an electronic circuit package 11 having power supply lines 7a, 7b, 7c having a land portion 16 at one end. ing. Further, the power lines 7a, 7b, 7 are provided on the inner surface of the handle portion 1.
conductive patterns 8a, 8b, 8c corresponding to the respective c
And a light emitting diode 2 connected to these conductive patterns 8a, 8b, 8c is attached to the rear surface of the handle portion 1.

The connection structure of the electronic circuit package 11 and the handle portion 1 is such that the guide groove 10 and the handle portion 1 formed on the surface of the electronic circuit package 11 so as to extend in the direction perpendicular to the insertion direction.
The guide pin 9 projecting from the inner side surface of the is fitted to and can slide in the guide groove 10. Further, a slit portion 13 is formed on the lower end side of the handle portion 1, and the width of the slit portion 13 is an edge portion 14 bent to the opening side of the box body 12.
Is wide enough to be inserted. When the handle portion 1 is moved in the direction of arrow b, the slitting portion 1
3 enters the edge 14 to prevent the electronic circuit package from coming off. Further, a lever 3 attached to a rotary shaft 6 for determining the position of the handle portion 1 is provided on the lower end side of the handle portion 1, and the hook 3 a is attached to the hole 5 of the edge portion 14 by the repulsive force of the spring 4. The movement of the entrance handle portion 1 is locked. That is,
The grip portion 1 is positioned by the engagement of the puck 3a, and the power supply lines 7a, 7b, 7c and the conductive patterns 8a, 8b, 8c are formed.
And match.

Next, the procedure for inserting and removing the electronic circuit package 11 into and from the box body 12 by the electronic circuit package inserting and removing mechanism will be described. First, when inserting the electronic circuit package 11 outside the box body 12 into the box body 12, the grip portion 1 is grasped and the electronic circuit package 11 is put into the opening of the box body 12. At this time, it is confirmed whether or not the guide pin 9 is above the guide groove 10. Then, while holding the electronic circuit package in the groove of the box body 12, the handle portion 1 is held by hand and pushed into the connector at the back of the box body 12 until the terminal portion is completely inserted. Next, while pushing the end portion of the lever 3, the handle portion 1 is moved in the direction of the arrow a to insert the edge portion 14 into the slit portion 13, and the holding portion of the lever 3 is released, whereby the spring 4 acts and the hook 3a is released. The handle portion 1 enters the hole 5 and is locked.
By this operation, the land portion 1 of the power supply lines 7a, 7b, 7c
The contacts 15 of the conductive patterns 8a, 8b, 8c come into contact with 6 and the light emitting diode 2 is turned on, and a voltage is applied to the electronic circuit. On the contrary, when removing the electronic circuit package 11 from the box body 12, while pushing the lever 3, the handle portion 1 is raised and the slitting portion 13 is removed from the edge portion 14,
Pull it toward you and pull it out.

FIGS. 2 (a) and 2 (b) are side views showing another embodiment of the insertion / extraction mechanism for an electronic circuit package of the present invention. This electronic circuit package insertion / removal mechanism is different from the above-described embodiment only in the connection structure of the electronic circuit package 11 and the grip portion 1a. That is, as shown in FIG.
1 flat plate swivel joint protruding from a
7 is fitted in the guide groove 10a in the electronic circuit package 11 so as to be slidably fitted, and a flange (not shown) for preventing the slip-out is provided on the rear side of the electronic circuit package 11 at the tip of the swivel joint 17. Further, at the rear end of the guide groove 10a along which the swivel joint 17 slides, a hole 18 that slides with the outer shape of the swivel joint is formed, and when the handle 1a is moved upward, it is shown in FIG. 2 (b). As described above, the swivel joint 17 enters the hole 18 and the handle portion 1a is rotatable.

In addition, the lever 3 for determining the positions of the power supply lines 7a, 7b, 7c and the conductive pattern, the handle portion positioning mechanism of the hook 3a, and the handle portion 1a are lowered and the slit portion 13 is provided.
The mechanism for preventing the electronic circuit package 11 from coming off by inserting the edge portion 14 into the edge portion is the same as that in the above-described embodiment.

The loading procedure of the electronic circuit package 11 by this electronic circuit package insertion / removal mechanism is as follows.
As shown in (b), it has a grip portion 1a indicated by a chain line, and the electronic circuit package 11 is fitted in a guide groove of the box body 12, and the grip portion 1a is pushed to connect the terminal portion of the electronic circuit package 11 to the connector of the box body 12. To insert. Next, the handle portion 1a indicated by the solid line is rotated to match the swivel joint 17 and the guide groove 10a. Then, the handle portion 1 a is moved while pushing one end of the lever 3, and the edge portion 14 is inserted into the slit portion 13. Next, the lever 3 is released, and the state shown in FIG. On the other hand, when the electronic circuit package 11 is to be removed, the electronic circuit package 11 is extracted from the state shown in FIGS. The electronic circuit package insertion / removal mechanism according to this embodiment has an advantage that the grip portion can be made smaller than the above-described embodiments.

[0016]

As described above, according to the present invention, the indicator of the grip portion is turned on and the electronic circuit of the electronic circuit package is turned on in response to a plurality of power lines formed in parallel with the insertion direction on the surface of the electronic circuit package. A conductive pattern for urging is formed on the handle part, the handle part and the electronic circuit package are connected so that the handle part can slide vertically on the electronic circuit package surface in the insertion direction, and this handle part is moved to move the handle part. By providing a mechanism for preventing the electronic circuit package from slipping into the slit edge portion with the edge portion of the box body and a locking means having a hook into the hole of the edge portion for positioning the conductive pattern on the power supply line, from the outside The electronic circuit package does not come out of the box even if the vibration of the is transmitted. In addition, the power supply line and the conductive pattern can be inevitably aligned with and brought into contact with each other by the locking means without applying unnecessary force to the handle portion, the electronic circuit package, and the box body,
Since the positioning does not cause deformation of each part, there is an effect that it is possible to easily confirm that the electronic circuit is in the energized state and surely guarantee it for a long period of time.

[Brief description of drawings]

FIG. 1 is a partial sectional side view and an AA sectional view showing an embodiment of an electronic circuit package insertion / removal mechanism of the present invention.

FIG. 2 is a side view showing another embodiment of the electronic circuit package insertion / extraction mechanism of the present invention.

FIG. 3 is a partial side view in a locked state showing an example of a conventional electronic circuit package insertion / removal mechanism.

FIG. 4 is a plan view showing another example of a conventional electronic circuit package insertion / extraction mechanism.

[Explanation of reference signs] 1,1a Handle portion 2 Light emitting diode 3 Lever 3a Hook 4 Spring 5 Hole 6 Rotation shaft 7a, 7b, 7c Power supply line 8a, 8b, 8c, 30, 36 Conductive pattern 9 Guide pin 10, 10a Guide groove 11, 38 Electronic circuit package 12 Box body 13 Slot portion 14 Edge portion 15 Spring contact 16 Land portion 17 Swivel joint 18 Hole 31 Footprint 32 Contact point 33 Display tool 34 Unit 35 Locking edge 39 Mounting lever 40 Electronic circuit package body 41 Ejector with Printed Wiring 45 Rotating Mounting Electrode in Package 46 Package Opening / Closing Electrode 47 Comparator 48 Three-State Buffer Circuit 50 Electronic Components

Claims (1)

[Claims] 1. A handle portion, which is mounted on the surface of a plate member, is connected to one side of an electronic circuit package in which an electronic circuit is formed and a power source wiring for activating and operating the electronic component is provided. An insertion / extraction mechanism for an electronic circuit package, in which the handle portion is pushed to insert it from the opening of the box body to connect the connector to the box body, and the grip portion is grasped and pulled out from the box body to disconnect the connector, The wiring pattern corresponding to the power supply wiring formed on the surface of the facing grip portion, the display device connected to the wiring pattern and attached to the back surface of the grip portion, the electronic circuit package, and the grip portion A protrusion member that is slidable in a direction perpendicular to the insertion direction, a mechanism that connects the protrusion members with each other through a fitting groove portion, and a mechanism that slides the grip portion in a direction perpendicular to the insertion direction. Locking means for fitting the slitting portion formed at the end of the grip portion to the edge of the opening, and a hook projecting by spring pressure are inserted into the hole of the edge and locked to lock the power supply wiring of the electronic circuit package. An insertion / removal mechanism for an electronic circuit package, each of which is provided with wiring positioning means for bringing the wiring patterns of the grip portion corresponding to the power supply wiring into agreement with each other.