JPH07312489A - Device housing and electronic device including the device housing - Google Patents

Abstract

PURPOSE:To provide an electronic appliance in which device housings are coupled easily, quickly, accurately and firmly while being stacked. CONSTITUTION:Frame bodies 10 are stacked and coupled each other by inserting the upper fringe bent piece of the side member 6 of one frame body 10 and the lower fringe bent piece 9 of the side member 6 of other frame body contiguous thereto, and the upper part of the side fringe bent piece 7 of the side member 6 of one frame body 10 and the lower part of the side fringe bent piece 7 of the other frame body 10 contiguous thereto, respectively, into gaps made in a coupling member 2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a private branch exchange (PBX).
And a device housing for housing a circuit board in a communication device such as the above to configure a framework inside the device, or a circuit board in which an electronic circuit is mounted in a printed wiring circuit in an information processing device is detachably housed The present invention relates to an electronic device having a device housing.

[0002]

2. Description of the Related Art In an electronic equipment such as a communication device and an information processing device, in order to expand the function thereof, it is common to connect the device housings containing the circuit boards by connection. For this reason, there is a strong demand for a device housing that has a structure that is easy to connect and has a strong structure.

Further, the circuit board housed inside the apparatus casing can be easily maintained and inspected, and the connection processing of cables for communication and connection derived from the front part of the circuit board can be facilitated. There is a desire to be able to.

In response to such a demand, the conventional apparatus casing has a structure as shown in FIGS. 21 to 23 (for example, Japanese Utility Model Laid-Open No. 15482/1993 and Japanese Utility Model Publication No. 5482/1993).
For example, FIG. 21 shows a perspective view of a conventional device housing, and FIG. 2 shows a perspective view of the device housing connected and connected for functional expansion.
23. FIG. 23 showing a perspective view of a device housing accommodating a circuit board.
Will be described with reference to.

In the figure, 101 is a housing, 103 is a lower substrate holding member having a plurality of substrate guiding grooves 104 on its upper surface, and 105 is an upper substrate having a plurality of substrate guiding grooves (not shown) on its lower surface. The holding member 106 is a box-shaped side member in which side edge bent pieces 107 are formed on both side edges, an upper edge bent piece 108 is formed on an upper edge, and a lower edge bent piece 109 is formed on a lower edge. A frame body formed by sandwiching the end portions of the positioned lower substrate holding member 103 and upper substrate holding member 105 by the two side members 106, and a backboard 111 to which a connector is fixed is attached to the rear surface of the housing. Forming 101. A circuit board 112 is housed in the housing 101 with its lower and upper ends held by the board guiding groove 104 of the lower board holding member 103 and the board guiding groove of the upper board holding member 105, and is fixed to the backboard 111. It is connected to the connector. Reference numeral 113 denotes notches formed at both ends of the upper edge bent piece 108 and the lower edge bent piece 109, 114 denotes a plurality of projections provided on the upper surface of the upper edge bent piece 108, and 115 denotes a lower edge bent piece. 109 is a through hole into which the protrusion 114 is fitted; 116 is a screw hole provided at the end of the upper edge bent piece 108;
117 is provided at the end of the lower edge bent piece 109, and the screw hole 11 is provided.
6 is a screw hole communicating with 6, 118 is a communication cable connected to the circuit board 112, and 119 is a cable holding member that holds the communication cable 118 on the front end surface of the lower board holding member 103. 24 has a circular arc portion 120 to be fixed in the central portion (see FIG. 24), and a screw hole 122 provided on the front end surface of the lower substrate holding member 103 by a screw 121.
Is stuck to.

When the housings 101 are connected and connected for the purpose of expanding functions, the frame bodies 110 are sequentially stacked while the projections 114 are fitted into the through holes 115 and positioned, and the screw holes 116 adjacent to each other are provided between the frame bodies 110. Screws are screwed into 117 to be connected.

[0007]

In the conventional apparatus housing, when stacking and connecting the frame bodies 110 for function expansion, the operator cannot easily fit the projection 114 and the through hole 115. In addition, it is difficult to visually check the positional relationship between the screw and the screw holes 116 and 117, and it is not easy to screw the screw into the screw holes 116 and 117. As a result, the operator can easily and accurately and quickly There is a problem that the bodies 110 cannot be stacked and connected.

Further, since the communication cables 118 are held one by one on the front end face of the lower substrate holding member 103 by the cable holding members 119, the inside of the frame 110 and the circuit board 112 are maintained and inspected. At this time, it is necessary to attach and detach the cable holding members 119 one by one from the lower substrate holding member 103 to attach and detach the communication cables 118. As a result, it takes man-hours and each time the cable holding member 119 is attached and detached, a tool is required. There was a problem that was needed.

Further, when the circuit board 112 is housed in the housing 101 in which the frame bodies 110 are stacked and connected to each other to form an electronic device, the housing 101 is located near the eye level.
With respect to the above, since the board guide groove 104 inside the frame 110 can be visually observed, the circuit board 112 can be easily held, but for the case 101 located at the eye level or higher, a step board or the like can be used. Housing 1 positioned lower than height
With respect to No. 01, it is necessary for the operator to check the holding position of the circuit board 112 each time by bending his or her waist, which causes a problem that the work becomes complicated.

An object of the present invention is to obtain a device housing that can be stacked easily and quickly and has a good stacking accuracy. Furthermore, by using the device housing, the device housing can be detachably mounted and replaced. It is an object of the present invention to provide an electronic device apparatus in which a cable connected to a circuit board housed in a housing can be easily attached and detached, and the circuit board can be housed easily and reliably, and maintainability and checkability are good.

[0011]

In order to achieve the above object, in the apparatus housing of the present invention, the circuit board holding members positioned above and below are provided with bent pieces at the upper and lower edges and side edges. The frame member is sandwiched by the formed side members to form a frame body, and the lower edge bent piece of the side member of the other frame body adjacent to the upper edge bent piece of the side member of one frame body of the stack body of this frame body And a gap for inserting the upper part of the side edge bent piece of the side member of the one frame body and the lower part of the side edge bent piece of the side member of the other adjacent frame body. The members are attached to both sides of the stack and joined together.

Further, it is preferable to attach a member for fixing the cable of the circuit board held by the circuit board holding member to the connecting member. To attach the member, the end portion of the member is formed on the connecting member. It is effective to support the concave groove or to rotatably support the end portion of the member by a projecting / retracting protrusion provided on the connecting member.

Further, a projection surface may be formed on the surface of the member for fixing the cable of the circuit board.

In order to achieve the above-mentioned object, in the electronic device of the present invention, the circuit board holding members positioned above and below the side members having bent pieces formed on the upper and lower edges and the side edges. To form a frame body, and insert the stacked body of the frame bodies into the upper edge bent piece of the side member of one frame body and the lower edge bent piece of the side member of the other frame body adjacent to the side body member. And a connecting member having a gap for inserting the upper portion of the side edge bent piece of the side member of the one frame body and the lower portion of the side edge bent piece of the side member of the other adjacent frame body. A circuit board is detachably held on the circuit board holding member by an apparatus housing.

Also in this electronic device, it is preferable to attach a member for fixing the cable of the circuit board held by the circuit board holding member to the connecting member. To attach the member, the end portion of the member is attached. Is effectively supported by a concave groove formed in the connecting member, or the end portion of the member is rotatably supported by a projecting / retracting protrusion provided in the connecting member. It is also possible to form a projection surface on the surface of the member to be fixed.

[0016]

In the device casing constructed as described above,
When stacking and connecting frame bodies, between the frame bodies,
Since the connection is made by a connecting member having a gap into which the bent piece formed on the side portion of the frame is inserted, it is not necessary to fix it with a screw or the like, the work is facilitated, and the connection can be made accurately and quickly. .

Further, the cables of the circuit board accommodated in the apparatus casing are simultaneously fixed by a single holding member, and the holding member is attached to the connecting member, so that the cable can be easily attached and detached and securely held. Therefore, the load on the connector portion can be reduced, and when the holding member is attached to the connecting member, the cable can be attached and detached more easily if the holding member is supported by a concave groove formed in the connecting member or a projecting / retractable protrusion.

Further, when the projection surface is formed on the surface of the member for fixing the cable, it is possible to visually check the storage portion when storing the circuit board, and the workability of storing the circuit board and the checkability of the circuit board are improved. Will be good.

Further, in the electronic device having the device casing configured as described above, the device casings for housing the circuit boards can be stacked and connected by the connecting member, so that the connection is ensured. Function expansion becomes easy,
Good maintainability and checkability.

[0020]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings in the case of a private branch exchange.

In FIG. 1 showing a perspective view of the apparatus housing, 1
Is a housing, and 2 is a connecting member for connecting and connecting the stacked housings 1.

The housing 1 is constructed as shown in FIG. 2, 3 is a lower substrate holding member having a plurality of substrate guide grooves 4 (see FIG. 3) on the upper surface, and 5 is a plurality of the same on the lower surface. An upper substrate holding member having a substrate guiding groove (not shown), 6 has side edge bent pieces 7 at both side edges, an upper edge bent piece 8 at an upper edge, and a lower edge bent piece 9 at a lower edge. The box-shaped side member 10 is a frame body formed by sandwiching the end portions of the lower substrate holding member 3 and the upper substrate holding member 5, which are positioned with a gap, between the two side members 6, and is provided on the rear surface. Backboard 11 with fixed connector
Are attached to form the housing 1. Reference numeral 12 denotes a circuit board (see FIG. 6) which is replaceably housed in the housing 1 with its lower and upper ends held by the board guide groove 4 of the lower board holding member 3 and the board guide groove of the upper board holding member 5. A connector portion 53 connected to the communication cable 30 is provided on the front surface, and a connector portion 54 connected to the connector fixed to the backboard 11 to receive a signal is provided on the rear surface (see FIG. 14). Reference numeral 13 is a notch formed between both ends of the upper edge bent piece 8 and the lower edge bent piece 9 and the side edge bent piece 7, and 14 is a plurality of screws formed on the upper and lower portions of the side member 6. It is a hole.

The connecting member 2 has a structure as shown in FIGS. 4 and 5, and is formed by aluminum die casting which is a material excellent in electrical conductivity, thermal conductivity and shielding property.
That is, 15 is a flat plate-shaped fixing portion, 16 is a frame portion that is planted on one surface of the fixing portion 15, and 17 is formed in a triangular rib shape, and a plurality of fixing portions 15 and the frame portion 16 are connected to each other. A reinforcing portion, 18 is a plurality of mounting holes provided in the fixing portion 15, 19 is a plurality of cavity portions formed in the frame portion 16, and 20 is integrally formed on one end edge of the frame portion 16 via a protruding strip 21. The triangular frame portion, 22 is a hollow portion provided in the frame portion 20, and 23 is the frame portion 20.
It is a mounting portion that is provided at the end portion of the lower portion by one step and has a screw hole 24. Reference numeral 25 is a protruding strip provided on the other edge of the frame 16.
The height S of the rib 25 and the rib 21 is
Is the same as the thickness of the side edge bent piece 7 formed on the side member 6 of the frame body 10, so that a gap into which the side edge bent piece 7 is inserted is formed by the protruding strips 21 and 25. It

Reference numeral 26 designates a concave portion formed on the surface of the fixing portion 15 opposite to the surface on which the frame portion 16 is planted, and reaches the end portion of the frame portion 16. Reference numeral 27 indicates a plurality of interior portions of the concave portion 26. A rib-shaped wall body that is divided into concave portions, 28 is a cut portion formed in the central portion of the wall body 27, and the side member 6 of one of the stacked frame bodies 10 is placed in the gap formed by the cut portion 28.
The upper edge bent piece 8 formed in the above and the lower edge bent piece 9 formed in the side member 6 of the other frame body 10 adjacent to the one frame body 10 are fitted.

When the housing 1 is connected for function expansion or the like, the frame bodies 10 are sequentially stacked and joined to form the frame bodies 10 and 1.
When the connecting member 2 is abutted and pushed into the joint between 0 from the left and right directions, the upper edge bent piece 8 of the adjacent one frame body 10 and the lower edge bent piece 9 of the other frame body 10 at both ends thereof are pressed. Both ends 29 of the fixed portion 15 are guided to the formed notch portion 13, and the upper edge bent piece 8 and the lower edge bent piece 9 are fitted into the gap formed by the cut portion 28 to connect the frame body 10. To be done. At the same time, the upper end of the side edge bent piece 7 of the one frame body 10 and the lower end of the side edge bent piece 7 of the other frame body 10 adjacent to the side edge bent piece 7 are adjacent to each other.
1 and 25 are inserted into the gap formed by the ridges 2 and
The side edge bent pieces 7 are positioned by sandwiching the first and the second pieces 25.

Then, a screw is screwed into the mounting hole 18 provided in the fixing portion 15 and the screw hole 14 provided in the side member 6, so that the frame 1
0 and 10 are connected and connected by the connecting member 2 to form an apparatus housing. If the circuit board 12 is housed in the frame 10 of the apparatus housing and connected to the connector portion of the backboard 11, the electronic device is obtained. The communication cable 30 led out from the connector portion 53 on the front surface of the circuit board 12 is The cable holding member 31 holds and fixes the notch 32 (see FIG. 6).

The cable holding member 31 has a structure as shown in FIG. 7, 33 is a holding plate having a plurality of notches 32 for holding the communication cable 30, and 34 is a holding plate 33 at both ends.
Is a front plate which is provided with a countersunk mounting hole 35 for attaching a countersunk screw to this portion, both of which have a projection 36 provided on the end surface of the holding plate 33 and a through hole 37 provided on the front plate 34. By being fitted in, it has a T-shaped cross section and is disassembleably coupled (see FIG. 8). The cable holding member 3
In No. 1, there is no functional problem even if the holding plate 33 and the front plate 34 are integrally formed so that they cannot be disassembled.

The cable holding member 31 holds and fixes the communication cable 30 in the notch 32, abuts both ends of the front plate 34 to the mounting portion 23 of the frame portion 20 of the connecting member 2, and mounts the mounting hole 35.
A countersunk screw 36 is screwed into the screw hole 24 and fixed to the connecting member 2 (see FIG. 9). Circuit board 1 housed in frame 10
Each of the communication cables 30 of No. 2 is held by the notch 32 of the cable holding member 31 for each circuit board and inserted into the cavity 19 of the connecting member 2, so that the communication cables 30 can be connected even if an external force is applied. The load applied to the connector portion 53 of the circuit board 12 can be reduced.

Next, modified examples of the connecting member and the cable holding member will be described. In the modified example shown in FIGS. 10 and 11, in the frame portion 20 of the connection member 2, a slit-shaped concave groove 38 that intersects obliquely is formed in the surface that is continuous with the surface of the fixed portion 15 in which the concave portion 26 is formed. . Further, the cable holding member is configured by separating a holding plate 39 having a notch 32 for holding the communication cable 30 and a front plate 40, and the holding plate 39 is a projection surface 42 that is a mirror-finished surface of a substrate 41. Is formed (see FIG. 12) or a projection surface 45 in which a silver foil layer 43 and a glass surface 44 are provided on the surface of the substrate 41 (see FIG. 13).

The front plate 40 has the same structure as that described with reference to FIG. 9, is fixed to the frame portion 20 of the connecting member 2 (see FIG. 14), and the holding plate 39 has the projection surface 42 or 45 facing upward. As described above, the end portion thereof is formed into a slit-shaped groove 38 of the frame portion 20.
And is fixed to the frame portion 20 (see FIG. 15). The slit-shaped concave groove 38 is formed obliquely so that the connecting member 2 can be used for both left and right, and when it is not necessary to share the connecting member 2, one oblique slit-shaped groove is formed. You may form a ditch | groove.

By holding the holding plate 39 having the projection surface 42 or 45 obliquely in this manner, the circuit board 1
When the two are housed in the frame body 10,
Of the upper substrate holding member 5 holding the end of the circuit board 12 while projecting the positional relationship between the substrate guide groove of the upper substrate holding member 5 onto the projection surface 42 or 45 of the holding plate 39 and visually observing.
Can be stored. Communication cable 30
Is held by the cutout portion 32 of the holding plate 39 that is inclined and supported, so that the holding becomes stronger and the load on the connector portion 53 of the circuit board 12 is further reduced. The cable can be easily attached and detached because the cable can be easily slid in the groove 38.

Next, in the modified example shown in FIGS. 16 and 17, in the frame portion 20 of the connecting member 2, the through hole 4 is formed in the central portion of the surface on which the slit-like concave groove 38 described in FIG. 10 is formed.
6 is provided, and projections 47, 48, 49 capable of projecting and retracting from the above-mentioned surface are provided at the corners of a rectangular shape centered on the through hole 46.
50 are provided respectively. Further, the holding plate 51 has a notch 32 for holding the communication cable 30, a projection surface 42 or 45 is formed on the surface similarly to the holding plate 39 shown in FIG. 11, and both end surfaces of the frame portion 20. The rotary shaft 52 is rotatably supported by the through hole 46 (see FIG. 19). The projections 47, 48, 49, 50 are diagonal projections 47,
49 is projected, and the projections 48 and 50 are retracted so as to project toward the cavity 22 side (see FIG. 17).
8 and 50 can be projected, and the protrusions 47 and 49 can be immersed (see FIG. 18).

If the rotating shaft 52 of the holding plate 51 is pivotally supported by the through hole 46 in a state where all the protrusions 47, 48, 49, 50 are immersed, the holding plate 51 is rotatably supported. So
The operator can work by projecting the holding portion of the circuit board 12 at an arbitrary angle that is easy to see, and the protrusions 47, 48, 49, 50 of the left and right frame portions 20 can be replaced by the hollow portion 22.
When pushed from the side and projected as shown in FIG. 17 or FIG. 18, it is possible to work while visually checking the holding portion of the circuit board 12 in a state where the holding plate 51 is obliquely fixed, and work efficiency is improved. In addition, the communication cable 30 is provided with a notch 32
If the holding plate 51 is fixed by inserting and projecting the protrusions 47, 48, 49, 50 into and out of the holding plate 51, the communication cable 30 does not apply a load to the connector portion 53 of the circuit board 12, and the holding plate 51 of the holding plate 51 is The cable is held by the notch 32, and the cable can be easily attached and detached.

[0034]

Since the present invention is constructed as described above, it has the following effects.

Since the device housing can be formed by inserting and connecting the bent pieces formed on the stacked frame bodies into the gaps of the connecting members, the workability is improved and the function of the electronic equipment is improved. Easy to expand.

Further, since the cables of a plurality of circuit boards are collectively fixed for each circuit board, and the fixing member is attached to the connecting member, the cable can be easily attached and detached, and the cable can be fixed. Since it is strong, the load on the connector portion of the circuit board can be reduced.

Further, by forming the projection surface on the surface of the member for fixing the cable, it becomes easy to store the circuit board.

Further, the electronic equipment provided with such a device casing can be easily expanded in function, and maintainability and checkability are improved.

[Brief description of drawings]

FIG. 1 is a perspective view of an apparatus housing according to an embodiment of the present invention.

FIG. 2 is a perspective view showing a state in which the device casings are stacked.

FIG. 3 is an explanatory diagram of a portion A in FIG.

FIG. 4 is a front perspective view of a connecting member in the apparatus casing.

FIG. 5 is a rear perspective view of the connecting member.

FIG. 6 is a perspective view of an electronic device device in which a circuit board is housed in the device housing.

FIG. 7 is a perspective view of a cable holding member in the electronic device.

FIG. 8 is an explanatory view of a main part of the cable holding member.

FIG. 9 is an explanatory view of mounting the cable holding member.

FIG. 10 is a perspective view showing a modified example of the connection member in the apparatus housing.

FIG. 11 is a perspective view of a holding plate for a cable attached to the connecting member.

12 is a cross-sectional view of the main part taken along the line AA of FIG.

13 is a cross-sectional view of a main part showing another configuration example taken along the line AA of FIG.

FIG. 14 is a perspective view of an electronic device including a device housing connected and connected by the connecting member.

FIG. 15 is an explanatory view of attachment of a cable holding plate in the electronic device.

FIG. 16 is a perspective view showing another modified example of the connection member in the apparatus housing.

FIG. 17 is an operation explanatory view of the connecting member.

FIG. 18 is a view for explaining another operation of the connecting member.

FIG. 19 is a perspective view of a holding plate for a cable attached to the connecting member.

FIG. 20 is an explanatory view of mounting the holding plate.

FIG. 21 is a perspective view of a conventional device housing.

FIG. 22 is a perspective view showing a state in which the device casings are stacked.

FIG. 23 is a perspective view of an electronic device device in which a circuit board is housed in the device housing.

FIG. 24 is an explanatory view of main parts of the electronic device.

[Explanation of symbols]

 2 connection member 3 lower board holding member 5 upper board holding member 6 side member 7 side edge bent piece 8 upper edge bent piece 9 lower edge bent piece 10 frame body 12 circuit board 30 communication cable 31 cable holding member 32 Notch 33, 39, 51 Holding plate 38 Recessed groove 42, 45 Projection surface 47, 48, 49, 50 Projection body

Claims (10)

[Claims] 1. A circuit board holding member which is positioned above and below,
An upper edge bent piece of a side member of one of the frame bodies of the stacked body is formed by stacking a plurality of frame bodies sandwiched by side members having bent pieces formed on the upper edge, the lower edge, and the side edge. And a gap for inserting the lower edge bent piece of the side member of the other frame body adjacent to the side edge bent piece of the side member of the one frame body and the side member of the other adjacent frame body. A device housing in which connecting members provided with a gap for inserting the lower part of the side edge bent piece are attached to both sides of the stack. 2. The device housing according to claim 1, wherein the connecting member is provided with a member having a holding portion for fixing the cable of the circuit board held by the circuit board holding member. 3. The device according to claim 2, wherein a groove is formed in the connecting member, and the groove supports the end of the member having the holding portion for fixing the cable of the circuit board held by the circuit board holding member. Case. 4. The connecting member is provided with a projecting / retracting protrusion, and the protrusion rotatably supports an end portion of a member having a holding portion for fixing a circuit board cable held by the circuit board holding member. The device housing according to claim 2. 5. The device housing according to claim 2, wherein a projection surface is formed on a surface of a member for fixing the cable of the circuit board. 6. A circuit board holding member which is positioned above and below,
A frame is formed by sandwiching the side members having bent pieces formed on the upper edge, the lower edge, and the side edges, and the stack of the frame bodies is adjacent to the upper edge bent piece of the side member of one frame body. A space for inserting the lower edge bending piece of the side member of the other frame body and the upper portion of the side edge bending piece of the side member of the one frame body and the side edge of the side member of the other adjacent frame body. An electronic device device comprising a device housing, which is connected to a lower part of a bent piece by a connecting member having a gap to insert the circuit board into the circuit board holding member. 7. The electronic device apparatus according to claim 6, wherein a member for fixing the cable of the circuit board is mounted on the connecting member. 8. The end of the member for fixing the cable of the circuit board is supported by the groove formed in the connecting member.
Electronic device described. 9. The electronic device apparatus according to claim 7, wherein an end portion of a member for fixing the cable of the circuit board is rotatably supported by a projecting member which is provided on the connecting member and is retractable. 10. The electronic device apparatus according to claim 7, wherein a projection surface is formed on a surface of a member for fixing the cable of the circuit board.