JP2877124B2 - Package retaining device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for preventing a package such as a printed circuit board from being pulled out from an opening formed in a side surface, a front surface, or the like of a housing. By including a package holding portion to be attached and a cover portion pressing the package holding portion,
The present invention relates to a package retaining device capable of automatically fixing and releasing a package by a package holding unit by opening and closing a cover unit.

[0002]

2. Description of the Related Art In an electronic device in which a package such as a printed circuit board is inserted into and removed from an opening such as a side surface or a front surface of a housing and housed therein, the package is removed in order to prevent the package from falling out of the opening. A stop device is provided.

[0003] As shown in FIG. 3, a conventional package retaining device is provided with an opening 10 of a casing 100 opened on the front side.
By fixing the package holding unit 200 covering the package 0a by screwing it with the screw 300, the cushion 201 provided on the package holding unit 200 holds each end of the plurality of packages 110 stored in the housing. ing.

In such a conventional package retaining device, the package holding unit 200 is screwed to the housing 100 from the front of the device while the package 110 is in use.
When the package 110 is inspected, the screws are released using a screwdriver or the like to remove the package holding unit 200, and each package 110 is inserted and removed and inspected.

[0005] However, in such a conventional package retaining device, insertion and removal of each package 110 must be performed unless the screw 300 fixing the package holding portion 200 is removed.
Since inspections and the like cannot be performed, there is a problem that a significant loss of working time occurs, particularly in an emergency.

In Japanese Utility Model Laid-Open No. 57-195894, as shown in FIG. 4, a printed circuit board pulling-out mechanism is provided in which one end of a package holding portion 200 fixed to a housing 100 by screws is rotatable by a hinge 400. A mechanism has been proposed. However, even with the technique described in this publication, the other end of the package holding section 200 is fixedly screwed to the housing 100 using the screw 300, and the conventional problem described above has not been solved.

[0007]

SUMMARY OF THE INVENTION The present invention has been made to eliminate the above-mentioned drawbacks of the prior art, and has as its object to hold a package which is attached to a housing via a hinge with a spring. A package and a cover that can be freely opened and closed are provided so that the package can be automatically fixed and released by the package holder in accordance with opening and closing of the cover.

Another object of the present invention is to fix the cover and the package holding portion by screws while securely preventing the package provided in the housing from being removed by transportation, vibration, or the like by the package holding portion. Instead, it is a fixing means for fixing to the housing and a means for opening and closing the package holding portion.

Further, another object is to attach the package holding portion to the housing rotatably by a hinge with a spring, and
By always energizing the outer side of the housing, the package holding section is automatically opened and closed and fixed by opening and closing the cover section only by simple means.

[0010]

In short, the present invention is characterized by comprising a package holding portion, a cover portion, and a hinge with a spring. Specifically, the package retaining device according to claim 1 is a device for retaining a package that is inserted into and removed from an opening of a housing, wherein one end of the package is rotatably mounted in the housing and the housing is always rotatable. A package holding portion that is urged in the outer direction of the opening and that comes into contact with a package end disposed inside the housing so as to be able to come and go, and one end is rotatably attached to the housing, covers the opening openably a cover portion for pressing the package holding portion in the inner surface, the
Along the insertion and removal direction of the package formed on the housing
An elongated groove extending below an end of the housing on the opening side.
Guide groove with stop recess, one end pivots on the cover
Attach freely and the other end fits into the guide groove
Movably engages and locks and unlocks the locking recess
And an arm that performs the operation.

According to a second aspect of the present invention, there is provided a package retaining device having a hinge with a spring having one end fixed to the housing and the other end fixed to one end of the package holding portion. Thereby, the package holding portion is rotatably attached to the housing, and is always urged toward the outside of the opening of the housing.

Further, the package retaining device according to a third aspect of the present invention is configured such that the cover portion and the opening of the housing are provided with locking means which are engaged with each other in a detachable manner.

The package retaining device of the present invention as described above.
According to the location, just open the cover and the package holder
Is released and the package is closed simply by closing the cover.
Fix the holding part to the housing side to prevent the package from falling out.
I can. Also, provide arms and guide grooves.
With this, the cover can be opened and closed more reliably and smoothly.
Can be.

Further, a hinge with spring and a locking means are provided.
By opening and closing the cover only by simple means
Automatically opens and closes and secures the package holder.
You.

Thus, the package holding portion can be automatically released and fixed in accordance with opening and closing of the cover portion without screwing and fixing the package holding portion, and work such as inspection and insertion / removal of the package can be shortened. It can be performed efficiently in a short time, and there is no loss in work time even in an emergency or the like.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described based on embodiments shown in the drawings. FIG. 1 is a partial cross-sectional side view of the package retaining device of the present embodiment in a state where a cover portion is closed. FIG. 2 is a partial cross-sectional side view of the package retaining device of the present embodiment in a state where a cover is opened.

The package retaining device according to the present embodiment includes a housing 1, a package holder 2, and a cover 3, and the package holder 2 is provided with a hinge 4 with a spring.
And is attached to the housing 1 via.

The housing 1 has an opening 1a at the front as shown in FIG. A plurality of packages 10 made of a printed circuit board or the like are arranged in parallel in the vertical direction inside the housing 1, and can be inserted and removed through the opening 1a.

The package holder 2 has one end rotatably mounted above the opening 1 a in the housing 1.
It is always urged toward the outside of the opening of the housing 1. And
The cushion 2a provided in the package holding unit 2
However, it comes into contact with each end of the package 10 in the housing 1 so as to be able to freely come and go, and holds each package 10.

That is, the package holding section 2 is
It is attached to one end of a spring-loaded hinge 4 fixed therein, and the spring-loaded hinge 4 is constantly urged to open in the direction of the arrow shown in FIG. 1 by a spring force.

The hinge 4 with a spring has one end fixed to a mounting portion 4a provided above the opening 1a in the housing 1, and the other end connected to one end of the package holder 2 (the upper end in FIG. 1). ) Is fixed.

The cover 3 has one end rotatably mounted on the upper part of the opening of the housing 1 to cover the entire opening 1a of the housing 1 so as to be openable and closable. It comes into contact with 2.

That is, the cover portion 3 is formed separately from the package holding portion 2, and is attached to the housing 1 side so as to be rotatable about the cover rotation shaft 3a. And
The inner surface of the cover portion 3 is in contact with the outer surface of the package holding portion 2, and the package holding portion 2 is pressed by closing the cover portion 3 toward the housing 1.

The cover 3 is guided in the opening and closing directions by the arm 5 and the guide groove 6. That is, a guide groove 6 extending along the insertion / removal direction of the package 10 is formed on the inner wall of the side surface of the housing 1. A locking recess 6a is formed below the end of the guide groove 6 on the housing 1 opening side. The arm 5 is movably engaged with the guide groove 6.

One end of the arm 5 is attached to the cover 3 so as to be rotatable about an arm rotation shaft 5a. The other end of the arm 5 is movably engaged with the guide groove 6 and is detachably engaged with the engaging recess 6 a at the end of the guide groove 6.

When the cover 3 is opened by the arm 5 and the guide groove 6, the arm 5 is rotated by the arm rotating shaft 5a.
The arm 5 moves in the guide groove 6 toward the outside of the housing while rotating about the arm, and when the cover 6 is fully opened, the arm 5 is weighted by the locking recess 6 a at the end of the guide groove 6 on the housing opening side. Locked by depressed. Thereby, the cover part 3
Opening / closing is guided and is held in an open state.

Further, between the cover 3 and the opening 1a of the housing 1, there is provided a locking means comprising a lever 7 and a locking portion 9 which are engaged and disengageable from each other. That is,
An inverted L-shaped lever 7 that rotates around a lever shaft 7a is attached to the cover portion 3, and a tension spring 7
b is urged in the direction of the arrow in the drawing. A lock pin 8 protruding toward the side surface of the housing 1 is provided at the end of the lever 7 on the housing side.

On the other hand, a lock portion 9 with which the lock pin 8 of the lever 7 is engaged is disposed near the opening on the inner side wall of the housing 1. The lock portion 9 has a hook shape opened downward in the housing, so that the lock pin 8 of the lever 7 can be engaged from below. The outer edge of the lock portion 9 on the housing opening side is inclined obliquely to the lower left in FIG. 2 so that the lock pin 8 can be easily engaged.

Thus, when the cover 3 is closed, the cover 3 is engaged with the groove of the lock 9 upward. As described above, the lock pin 8 can be engaged with the lock portion 9 only by closing the cover portion 3 by the lever 7 having the lock pin 8 and the lock portion 9, and the cover portion 3 can be engaged unless the lever 7 is pulled. Function as locking means to prevent it from opening.

Although not shown in the drawings, in order to stably open and close and lock the cover 3, the arm 5, the guide groove 6, the lever 7, and the lock 9 are provided with the housing 1 and the cover. It is desirable to provide on both sides of the third side.
The side of the cover 3 to which the lever 7 is attached is
In the present embodiment, the lever 7 is concave so that the lever 7 cannot be seen from the front side of the cover 3.

The present invention is configured as described above,
Hereinafter, the operation will be described. First, in a normal use state of the package 10, the package 10 is inserted from the front surface of the housing 1, and the cover 3 is closed.

In this state, the package holding part 2 is also pressed and closed by the cover part 3, and the package 10 is fixed by the package holding part 2 (the state shown in FIG. 1). At this time, the lock pin 8 of the lever 7 on the cover 3 is engaged with the lock 9 on the housing 1.

In this state, when the worker inserts his / her hand from the side of the cover 3 and pulls the lever 7 toward the front side against the urging force of the tension spring 7b, the lever 7 receives the urging force of the tension spring 7b. By rotating around the lever shaft 7a in opposition, the lock pin 8 moves downward and comes off the lock portion 9, so that the cover portion 3 can be opened. When the cover part 3 is opened, the package holding part 2 also starts opening automatically by the urging force of the hinge 4 with the spring.

When the cover 3 starts to open, the arm 5 moves in the guide groove 6 in the direction of the opening 1a, and the arm 5 falls into the locking recess 6a at the end of the guide groove 6 and is locked. At this point, the cover unit 3 is fixed, and the package holding unit 2 is also fixed at a position where it abuts on the cover unit 3 (the state shown in FIG. 2). In this state, insertion and removal of the package 10,
Work such as inspection can be performed.

After the insertion and removal of the package 10 is completed, the arm 5 is lightly lifted while the cover 3 is being lifted upward.
The cover portion 3 can be closed again while pressing the package holding portion 2 because it is removed from the position a.

As described above, according to the package retaining device of the present embodiment, the package holding section 2 is released only by opening the cover section 3, and the package holding section 2 is closed by simply closing the cover section 3. Package 1 fixed to one side
0 can be prevented.

Further, by providing a lock means comprising a lever 7 and a lock portion 9 and an arm 5 and a guide groove 6,
The opening and closing and fixing of the cover can be performed more reliably and smoothly.

Thus, the package holding unit 2 can be automatically released and fixed in accordance with the opening and closing of the cover unit 3 without screwing and fixing the package holding unit 2. Work can be performed efficiently in a short time, and no loss of work time occurs even in an emergency or the like.

[0039]

According to the present invention, as described above, by providing the package holding portion and the cover portion which are attached to the housing via the hinge with the spring, the package holding portion is automatically provided according to the opening and closing of the cover portion. The package can be fixed and released.

Further, the cover is securely attached to the housing without fixing the package holding portion by screws, while reliably preventing the package disposed in the housing from being removed by transportation, vibration, or the like by the package holding portion. And a means for opening and closing the package holding portion.

Further, the package holding portion is rotatably attached to the housing by a hinge with a spring, and is always urged toward the outside of the housing, so that the package holding portion is opened and closed by simple means only. The part can be automatically opened and closed and fixed.

[Brief description of the drawings]

FIG. 1 is a partial cross-sectional side view of a package retaining device according to an embodiment of the present invention with a cover portion closed.

FIG. 2 is a partial cross-sectional side view of the package retaining device according to the embodiment of the present invention in a state where a cover is opened.

FIG. 3 is a partial sectional side view of a conventional package retaining device.

FIG. 4 is a partially sectional plan view of another conventional package retaining device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Housing 1a Opening 2 Package holding part 3 Cover part 4 Hinge with a spring 5 Arm 6 Guide groove 7 Lever 8 Lock pin 9 Lock part 10 Package

Claims (3)

(57) [Claims] 1. A device for preventing a package from being inserted and withdrawn from an opening of a housing, wherein one end of the package is rotatably mounted in the housing, and is always urged outward in the opening of the housing. A package holding portion that is configured to come into contact with an end of a package provided in the housing so as to be able to freely contact with and separate from the package; A cover portion for pressing the package holding portion on a side surface; and a cover formed on the housing in a direction in which the package is inserted and withdrawn.
A groove extending below the end of the housing on the opening side.
A guide groove having a locking recess, and one end rotatably attached to the cover portion.
The other end is movably engaged with the guide groove, and
An arm that removably engages with the engaging recess . 2. An end is fixed to the housing,
The other end is provided with a hinge with a spring fixed to one end of the package holding portion. With the hinge with the spring, the package holding portion is rotatably attached to the housing, and an opening of the housing is always provided. 2. The package retaining device according to claim 1, wherein the device is urged outward. 3. The package retaining device according to claim 1, further comprising a locking means which is detachably engaged with the opening of the cover and the housing.