JP2003152359A - Electronic equipment storage housing and printed wiring board - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an electronic equipment storage housing which enables a printed wiring board to be stored and installed in a housing body readily and surely. SOLUTION: The electronic equipment storage housing has a locking part 4a provided at the lower side of an opening part 2 of a housing body 1 and an insertion/drawing lever 14 supported to the front side corner of a printed wiring board to rotate freely. The insertion/drawing lever 14 has a printed wiring board drawing fitting part 14a which fits to the outside of the locking part 4a and a printed wiring board insertion fitting part 14b which fits to the inside of the locking part 4a at one end side, and an operation part 14c at the other end side. The insertion/drawing lever 14 can be held almost horizontal relative to the printed wiring board 9 in a state before the printed wiring board 9 is stored and installed in the housing body 1 by bringing an abutting part 14d of the insertion/drawing lever into contact with a abutting part 10g of the printed board 9 side. As a result, the storage/installation operation or the like of the printed wiring board 9 can be performed without holding the insertion/drawing lever 14 with operator's hands.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic equipment housing for housing a printed wiring board and the printed wiring board.

[0002]

2. Description of the Related Art Conventionally, as this type of electronic equipment housing, one shown in FIGS. 5 and 6 has been known.

In FIGS. 5 and 6, the housing body a has a box shape with an open front surface. Inside the housing body a, upper and lower edges of a printed wiring board d are provided on an upper surface and a lower surface. Substrate mounting rails c to be mounted while being guided are provided in a plurality of rows with a gap in the width direction.

A printed wiring board b is provided at the back of the main body a.
A mother board f provided with a connector d provided on the rear surface of the printed wiring board b is provided with a connector e that is detachably coupled to the connector d.

A locking member i having a locking portion h having a substantially U-shaped cross section at the upper edge portion and the lower edge portion is fitted in the opening g of the housing body a so as to be parallel to each other. It is set up. The engaging portion h of the engaging member i can be engaged with the insertion / extraction lever j provided on the front side corner of the printed wiring board b.

As shown in FIG. 7, the insertion / removal lever j is provided with an extraction engaging portion k on one end side and an operation portion m on the other end side, and is located close to the extraction engaging portion k. This position is rotatably supported by the printed wiring board b by the pin n.

[0007]

In the conventional electronic equipment accommodating housing configured as described above, when the printed wiring board b is housed and installed in the housing body a, the housing body a is opened through the opening g. While guiding the upper and lower edges of the printed wiring board b inserted from the connector d side to the board mounting rail c,
The printed wiring board b is connected to the connector e on the motherboard f side of the housing body a.

However, when the printed wiring board b is inserted, the insertion / extraction lever j is erected by its own weight on the side of the operating portion m as shown in FIG. 7 (a), and the printed wiring board b is kept in this state. When it is pushed in, the extraction engaging portion k of the insertion / extraction lever j hits the outer surface of the locking portion h of the locking member i as shown in FIG. 8A, and the printed wiring board b can be pushed further in. It's gone.

For this reason, conventionally, as shown in FIG. 7B, the printed wiring board b is pushed into the housing body a while holding the insertion / ejection lever j substantially horizontally with a hand or the like, and then the hand is pushed. It is necessary to separate and engage the extraction engaging portion k of the insertion / extraction lever j with the locking portion h of the locking member i, which makes the work of accommodating and installing the printed wiring board b troublesome.

By omitting the troublesome operation of the extraction lever j,
When the printed wiring board b is housed and installed in the housing body a,
The connector d of the printed wiring board b and the connector e of the mother board f are not surely coupled to each other, resulting in contact failure.

Therefore, an object of the present invention is to provide an electronic equipment housing and a printed wiring board for housing the printed wiring board in the housing body easily and reliably.

[0012]

In order to achieve the above object, an electronic equipment housing of the present invention includes a housing body having an opening for housing a printed wiring board, and an upper side or a lower side of the opening. Has a locking part attached to the mounting part and an insertion / extraction lever rotatably supported at a corner on the front surface side of the printed wiring board. The insertion / extraction lever has a print on one end that engages with the outer surface of the locking part. The printed wiring board has an engaging portion for inserting the printed wiring board and an engaging portion for inserting the printed wiring board that engages with the inner surface of the locking portion and an operating portion on the other end side. A contact part with which a part of the insertion / extraction lever abuts to stop the rotation of the insertion / extraction lever so that the insertion / extraction lever is held substantially horizontally with respect to the printed wiring board before being housed and installed in the housing body. Is formed on a printed wiring board.

Therefore, in the electronic device housing of the present invention, the insertion / extraction lever is attached to the printed wiring board.
By forming an abutting part on the printed wiring board where a part of the insertion / extraction lever abuts and making a part of the insertion / extraction lever abut on the abutment part on the printed circuit board side, the insertion / extraction lever is substantially horizontal to the printed wiring board. Since it is not necessary to support the insertion / extraction lever by holding it with the hand of an operator as in the conventional case, it is possible to simplify the work of accommodating and installing the printed wiring board and reduce the number of work steps.

In order to achieve the above object, the printed wiring board of the present invention is a printed wiring board housed in an opening of an electronic equipment housing, and is mounted on a corner of the printed wiring board body on the front side. An insertion / extraction lever that is movably supported,
The insertion / extraction lever has an abutting portion provided at the front end portion, and the insertion / extraction lever has, at one end side of the insertion / extraction lever, a printed wiring board removal member that engages with an outer surface of a locking portion provided at the upper side or the lower side of the opening. The output engaging part and the engaging part for inserting the printed wiring board that engages with the inner surface of the locking part are provided, and the operating part is provided on the other end side. In order to stop the rotation of the insertion / ejection lever so that the insertion / ejection lever is held substantially horizontally with respect to the printed wiring board before the wiring board is housed and installed in the opening of the electronic device housing, the contact portion Is abutted against.

Therefore, in the printed wiring board of the present invention, the insertion / extraction lever is held substantially horizontally with respect to the printed wiring board before the printed wiring board is housed and installed in the opening of the electronic device housing. In order to stop the rotation of the insertion / extraction lever rotatably supported on the printed wiring board, part of the insertion / extraction lever is configured to abut on the abutment portion of the printed wiring board. Since the insertion / removal lever can be held almost horizontally with respect to the board, there is no need to assist the insertion / removal lever by holding it by the operator's hand as in the conventional case, simplifying the work of accommodating and installing the printed wiring board and reducing the man-hours. Can be reduced.

[0016]

BEST MODE FOR CARRYING OUT THE INVENTION Next, the configuration of an electronic equipment housing that adopts an embodiment of the present invention will be described with reference to FIGS.

FIG. 1 is a perspective view showing a state in which a part of a printed wiring board in an electronic equipment housing is taken out, and FIG.
Is an enlarged perspective view of a part of the printed wiring board housed in the housing body, FIG. 3 is an exploded perspective view of the printed wiring board, and FIG. 4 is an enlarged drawing of the vicinity of the insertion / removal lever in the board unit. It is a side view.

Referring to FIGS. 1 and 2, the housing body 1 is formed by combining the upper side wall 3, the lower side wall 4, the left side wall 5 and the right side wall 6 into a box so as to have a front opening 2. The upper side wall 3 and the lower side wall 4 are respectively provided with board mounting rails 7 (not shown), and an optical combiner or an optical demultiplexer for optical communication is provided between the board mounting rails 7. A plurality of electronic devices such as an optical wavelength division multiplexing transmission device, for example, a plurality of substrate units 9 are arranged in tandem, and the substrate units 9 are housed in the housing body 1.

A front plate 10 having a substantially U-shape in plan view is attached to the front end of the substrate unit 9 so that the opening side thereof faces the rear part 1a side of the housing body 1.

A plurality of grooves 11 are formed on one side 10a of the front plate 10 as shown in FIG. 3, and each groove 11 has a semi-cylindrical shield spring in plan view. One end side of 12 is engaged, and the other end of the shield spring 11 is engaged with the tip of one side portion 10a of the front plate 10, and as a result, the shield spring 11 is attached to the front plate 10. Become.

The other side portion 1 of the front plate 10
The mounting pieces 10e and 10f are formed at both upper and lower ends of the housing 0b so as to project toward the rear surface 1a side of the housing body 1. The front plate 10 is mounted on the printed wiring board 9 by screwing.

When the board units 9 are housed in the housing body 1, the shield spring 11 has the other side portion 1 of the front plate 10 of another board unit 9 adjacent thereto.
0b or, for example, by contacting the right side wall 6,
The shield structure of the board unit 9 is configured.

The front side portion 10c of the front plate 10
A mounting hole 10d is formed in the upper part of the
The screw 9a that is inserted through the d
Hole 3b provided in the front hanging piece 3a formed to project to the side
The board unit 9 is attached to the upper side wall 3 by being screwed onto the.

An insertion / extraction lever 14 is rotatably provided below the front side portion 10c of the front plate 10 via a support shaft 14f to fix the printed wiring board 9 housed in the housing body 1. , The printed circuit board 9 and the housing body 1
Used when removing from.

That is, the insertion / removal lever 14 has a mounting groove 14g formed in the upper wall portion thereof, and the mounting wiring 14g is inserted into the printed wiring board 9 to allow the printed wiring board 9 to be inserted.
Installed on.

The printed wiring board 9 is bifurcated at one end side, and one of them is engaged with the printed wiring board extraction engaging portion 14.
a, the other is a printed wiring board insertion engaging portion 14b, and the other end side is bent into a substantially V shape to become an operating portion 14c.

The operating member 14c projects from the opening 2 of the housing body 1 through an opening window 10i formed in the front side 10c of the front plate 10.

Further, the printed wiring board extraction engaging portion 14a of the insertion / extraction lever 14 and the printed wiring board insertion engaging portion 1
4b and the operation portion 14c between the upper wall portion abutment portion 14
d.

A contact portion 14d which is a part of the insertion / removal lever 14.
4 is rotated counterclockwise by its own weight of the insertion / extraction lever 14 to come into contact with the abutted portion 10g formed on the mounting piece 10f on the front plate 10 side, so that FIG.
As shown in (a) or FIG. 5 (a), the insertion / extraction lever 14 is held substantially horizontally with respect to the printed wiring board 9, and the printed wiring board extraction engaging portion 14a and the printed wiring board insertion engagement are carried out. The portion 14b is connected to the connector 9b of the printed wiring board 9.
Toward the side (that is, the rear surface side of the housing body 1).

Further, in the insertion / removal lever 14, a lock side portion 14e is formed between the printed wiring board extraction engaging portion 14a and the contact portion 14d, and the lock side portion 14e is provided on the printed wiring board 9. The rotation is locked by fitting into the lock recess 15a of the lock piece 15 that is fixed so as to project to the front surface.

A locking portion 4a is formed upright on the front surface of the lower side wall portion 4 of the housing body 1 so as to project inside the opening 2.

When the printed wiring board 9 is housed in the housing body 1, the printed wiring board 9 is inserted from the opening 2 of the housing body 1 from the mounting side of the connector 9b which is the rear surface side of the printed wiring board 9. However, at this time, the upper and lower edges of the printed wiring board 9 are first inserted into the groove portion provided in the front hanging piece portion 3a of the upper side wall 3 and the groove portion 4d provided in the locking portion 4a of the lower side wall 4. It is guided and fitted into the guide rails respectively provided on the upper side wall 3 and the lower side wall 4 (state of FIG. 2), and in this state, the front surface side of the printed wiring board 2 is further pushed by hand.

The printed wiring board 2 is completely accommodated in the housing body 1 with the connector 9b of the printed wiring board 2 being joined to a motherboard (not shown) provided on the rear surface 1a side of the housing body 1. Will be.

In this process, when the board unit 9 is inserted into the guide rail, the shield spring 12 is accommodated and installed in the housing body 1 and the other side of the front plate 10 of the adjacent board units 9 adjacent to each other. Although it abuts on the side portion 10b or the right side wall 6, for example, before this, the engaging piece portion 10h provided on one side portion 10a of the front plate 10 is provided.
Engages with the engaging groove portions 3c and 4c provided in the front hanging portion 3a and the locking portion 4a, respectively, and functions as an introduction guide to position the board unit 9.

As a result, the substrate unit 9 is prevented from being twisted or twisted by the urging force of the shield spring 12, and the connector (not shown) of the mother board installed on the rear surface 1a side of the housing body 1 is provided. Unit board 9
The connector 9b can be securely fitted to the correct position.

Then, the engaging piece 1 on the front plate 10 side
0h eventually engages in the engaging groove portions 3c and 4c, and the housing body 1
It will be housed inside and cannot be a protrusion.

Further, when the printed wiring board 9 is completely accommodated in the housing main body 1, the printed wiring board 9 is pushed into the housing main body 1 so that the insertion / extraction lever 14 is engaged with the printed wiring board extraction. The portion 14a abuts the outer surface of the locking portion 4a provided on the lower side wall 4.

When the printed wiring board 9 is further pushed in this state, the insertion / extraction lever 14 is rotated counterclockwise.

As a result, by the time the state shown in FIG. 4B or FIG.
b contacts the inner surface of the locking portion 4a.

At the same time, the lock side portion 14e is locked by the lock piece 15.
The printed wiring board 9 in which the rotation of the insertion / extraction lever 14 is stopped by fitting into the lock recess 15a of the above is fixed in the housing body 1.

From this state, in order to take out the printed wiring board 9 from the inside of the housing main body 1, the insertion / extraction lever 14 is rotated clockwise.

As a result, the lock side portion 14e is disengaged from the lock concave portion 15a of the lock piece 15, and the printed wiring board extraction engaging portion 14a of the insertion / extraction lever 14 which is in contact with the outer side surface of the engaging portion 4a. At the point of action, the printed wiring board 9 is strongly pulled out from the housing body 1, and the connector 9b is separated from the connector on the motherboard side.

After that, the printed wiring board 9 is removed by pulling it out from the housing body 1.

A rack mount plate 16 for mounting the housing body 1 on a rack (not shown) is attached to the front ends of the left side wall 5 and the right side wall 6.

Further, a vertical wall plate 17 is provided along the left side wall 5 in the housing body 1, and a wiring cable accommodating chamber 18 is formed between the vertical wall plate 17 and the left side wall 5. At the same time, the wiring cable housing chamber 18 is divided into upper and lower two stages by the partition plate 18a, and the wiring cable 20, for example, the coaxial cable 20a and the optical cable 20b can be stored according to their types. Further, the coaxial cable 20a is a cable clamp 2
After being bundled in 0c, the optical cable 20b is also routed to the rear surface 2 side through the side portion of the housing body 1 in a separated state.

Further, between the rack mount plates 16,
The wiring cable mounting shelf board 19 is installed so as to be bridged, and the coaxial cables 20a are individually fixed on the wiring cable mounting shelf board 19 using the cable clamps 20d.

In the present embodiment configured as described above, the insertion / extraction lever 14 is attached to the printed wiring board 9.
The contacting portion 14d of the insertion / removal lever 14 is brought into contact with the contacted portion 10g formed on the mounting piece 10f of the front plate 10 of the printed wiring board 9 so that the insertion / removal lever 14 is attached to the printed wiring board 9. Since it can be held almost horizontally, it is not necessary to hold it by a worker's hand to assist the insertion / extraction lever, which simplifies the work of accommodating and installing the printed wiring board 9 and reduces the number of work steps. .

[0048]

According to the electronic device housing of the present invention, the insertion / removal lever has a contact portion with which a part of the insertion / removal lever comes into contact with the printed wiring board to form one of the insertion / removal levers. By contacting the contact part with the contact part on the side of the printed circuit board, the insertion / extraction lever can be held substantially horizontally with respect to the printed wiring board. Therefore, it is possible to simplify the work of accommodating and installing the printed wiring board and reduce the work man-hours.

Further, in the printed wiring board of the present invention, the insertion / extraction lever is held substantially horizontally with respect to the printed wiring board before the printed wiring board is housed and installed in the opening of the electronic device housing. In order to stop the rotation of the insertion / extraction lever rotatably supported by the printed wiring board, a part of the insertion / extraction lever is configured to abut on the abutment portion of the printed wiring board. In contrast, the insertion / extraction lever can be held almost horizontally,
It is no longer necessary to hold the operator's hand to assist the insertion / extraction lever as in the conventional case, and the work for accommodating and installing the printed wiring board can be simplified and the number of man-hours can be reduced.

[Brief description of drawings]

FIG. 1 is a perspective view illustrating a state in which a part of a printed wiring board in an electronic device housing is taken out.

FIG. 2 is an enlarged perspective view in which a part of the printed wiring board is also accommodated in the housing body.

FIG. 3 is likewise an exploded perspective view of the printed wiring board.

[Fig. 4] Similarly, (a) shows that when the insertion / extraction lever is unlocked,
(B) is a vertical cross-sectional view in Fig. 1 drawn when locked.

[Fig. 5] Similarly, (a) is when the insertion / extraction lever is unlocked, (b)
Is a side view of the board unit in the locked state, magnified near the insertion / extraction lever

FIG. 6 is a perspective view in which a part of a conventional electronic device housing is cut away and drawn.

7 (a) and 7 (b) are explanatory views showing a method for accommodating a printed wiring board in a conventional electronic device accommodating housing.

[Explanation of symbols]

1 Case body 1a rear part 2 Front opening 9 Printed wiring board 10 Front plate 10g Contacted part 14 Insertion / extraction lever 14a Engagement part for extracting printed wiring board 14b Engagement portion for inserting printed wiring board 14c Operation part 14d Abutment part (part of insertion / extraction lever)

Claims (2)

[Claims] 1. A housing body having an opening for accommodating a printed wiring board, a locking portion provided on an upper side or a lower side of the opening, and a front side corner of the printed wiring board. An engaging / disengaging lever rotatably supported is provided, and the engaging / disengaging lever engages with an inner side surface of the engaging part for withdrawing a printed wiring board engaging with an outer surface of the engaging part at one end side and the engaging part. The printed wiring board has an engaging portion for inserting the printed wiring board, and an operation portion on the other end side. The printed wiring board is in a state before being housed and installed in the casing body. With respect to the insertion / removal lever, a contact portion with which a part of the insertion / removal lever abuts is formed on the printed wiring board in order to stop the rotation of the insertion / removal lever so that the insertion / removal lever is held substantially horizontally. An electronic device housing. 2. A printed wiring board housed in an opening of an electronic device housing, the insertion / extraction lever being rotatably supported by a corner portion on the front side of the printed wiring board body, and the front end. The insertion / extraction lever has an abutting portion provided on a portion of the printed wiring board that engages with an outer surface of a locking portion provided on the upper side or the lower side of the opening at one end side thereof. And a printed wiring board insertion engaging portion that engages with the inner surface of the locking portion, and an operating portion on the other end side. Stop rotation of the insertion / extraction lever so that the insertion / extraction lever is held substantially horizontally with respect to the printed wiring board in a state before the printed wiring board is housed and installed in the opening of the electronic device housing. To contact the contact part. The printed wiring board and butterflies.