JP3599220B2 - Pull-out shelf - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a pull-out shelf capable of mounting heavy equipment such as AV equipment and measuring equipment in multiple stages.
[0002]
[Prior art]
Conventionally, when a heavy equipment such as an AV equipment or a measuring instrument is mounted on a 19-inch rack 2 or a system console based on a standard (EIA standard or the like), a guide as shown in FIG. The rear end of the heavy equipment 1 is placed on the rail 3 or on the shelf 4 as shown in FIG. 16 and pushed in while sliding, and is screwed to the rack 2 using a rack mounting hole provided on the front side. Was.
Further, as shown in FIG. 17, the slide mechanism, that is, the inner member 5a of the slide rail 5 is directly attached to the heavy equipment 1, and the outer member 5b is attached to the rack 2 side so that the heavy equipment is loaded into the rack 2. I was
[0003]
[Problems to be solved by the invention]
For this reason, when the rack 2 is in a narrow place, or when the mounting position is extremely high or low, the operator is forced to have an unstable posture, and the workability is significantly deteriorated. If the weight 4 or the guide rail 3 is damaged, metal powder falls into the rack 2, or the balance of the heavy equipment 1 is lost, there is a risk of falling.
In addition, it was necessary to remove the screw for each maintenance, pull it out, and put it on the floor once, to stop the screw.
On the other hand, even in the structure in which the slide rail 5 is directly attached to the heavy equipment 1, removing the heavy equipment 1 from the rack 2 involves trouble and danger as described above. In addition, it is difficult to align the slide rails 5 during mounting, and sometimes the slide rails 5 are broken.
SUMMARY OF THE INVENTION The present invention has been proposed in order to solve the above-described inconveniences, and enables heavy equipment such as AV equipment and measuring equipment to be easily mounted on a rack or the like in multiple stages, and maintenance and inspection work. It is also intended to provide an easy, pull-out shelf.
[0004]
[Means for Solving the Problems]
In order to solve the above-mentioned problem, in the present invention, according to claim 1, a mounting surface for heavy equipment, which is supported by a slide support mechanism via a mounting rail attached to a frame of a heavy equipment mounting rack so as to be freely put in and out. A surface panel facing the front of the rack, wherein the mounting surface is provided with a concave portion for mounting a foot of heavy equipment to be mounted, and the concave portion is positioned and fixed to the foot of the heavy equipment. A foot fixing bracket is provided so as to be adjustable, and the mounting surface of the heavy equipment is fixed at a storage position, a drawer position, and other positions, and a lock mechanism for releasing the fixing is provided. A pull-out shelf is proposed, which is configured so that an equipment mounting table can be put in and out of the mounting surface .
According to the present invention, in the second aspect, the lock mechanism is attached to a long push rod movably mounted in the axial direction by a push button formed so as to protrude from the front panel, and is screwed to the tip of the push rod in an orthogonal state. In addition, by engaging the narrow link plate with both ends of the link plate and pressing the link plates at both ends, the engaging piece is retreated from the mount rail to release the restraint on the mount rail. A push rod extending along the central axis on the back surface side of the mounting surface, from the front panel side to the back surface via a rod bracket provided on the back surface of the mounting surface, and the link We propose a pull-out shelf connected to a plate .
According to the present invention, in the third aspect, the engagement mechanism has an engagement piece urged to always protrude, and the engagement piece is fixed by the link plate against a biasing force. By having a pressing operation piece that can be pushed in by a stroke, and pressing the pressing operation piece by a link plate, the engaging piece is retracted from an engaging notch formed in the mount rail against the urging force. A pull-out shelf is proposed in which the constraint on the mount rail is released by moving the pull-out shelf, and the engagement notch in the mount rail is formed at least near both ends of the mount rail .
Further, the present invention proposes a pull-out shelf according to claim 4, wherein the engagement notch is formed at an appropriate position in an intermediate portion of a mount rail .
[0005]
BEST MODE FOR CARRYING OUT THE INVENTION
Next, a pull-out shelf according to the present invention will be described below with reference to the accompanying drawings.
FIG. 1 shows a rack 10 for mounting heavy equipment. The rack 10 for mounting heavy equipment has a structure in which heavy equipment is mounted so as to be able to be taken in and out in multiple stages, and the present invention for mounting heavy equipment is provided. The pull-out shelves 11 and 12 are provided so that they can be pulled out and accommodated.
The rack 10 is formed of a steel side plate 14 and a back panel (not shown) on a frame whose frontage is assembled and formed by an extruded column member 13 made of aluminum based on a predetermined standard (JIS, EIA standard or the like). ), A top plate (not shown), a door member (not shown), and other various necessary parts.
[0006]
The pull-out shelves 11 and 12 are for placing heavy equipment, and are formed by, for example, a punching press process. The pull-out shelf 12 is provided with a tray 15 that can be taken out and used as an accessory storage. Has been.
The pull-out shelf 11, of the pull-out shelves 11, 12, will be described. As shown in FIGS. 2 and 3, the pull-out shelf 11 includes a front panel 16 facing the front of the rack 10 and a mounting surface 17 for heavy equipment. Have.
[0007]
As shown in FIG. 3, a large number of ventilation slits 18 are formed in the front panel 16 in the vertical direction in the figure. The front panel 16 is provided with a pair of handles 19 for pulling out the pull-out shelf 11 from the storage position in the rack 10, that is, the storage position, to the front side of the rack 10, or pushing the pull-out shelf 11 into the predetermined storage position. Has been. Further, between these handles 19, 19, a push button 20 is provided to fix the pull-out shelf 11 at a storage position, a pull-out position, or any other position, and to constitute a lock mechanism (described later) for releasing the fixation. ing.
[0008]
On the other hand, the mounting surface 17 is provided with a concave portion 21 on which the feet of the heavy equipment to be mounted are placed. In the recess 21, a foot fixing bracket 22 for positioning and fixing the foot of the heavy equipment is provided so as to be adjustable so that various heavy equipment can be mounted. The foot fixing bracket 22 has a hook-shaped cross section, and has a contact portion 23 formed in an arc shape so that a foot of heavy equipment can be contacted, and a base portion 24 in contact with the concave portion 21. The base 24 is moved over several slits 25 formed in the concave portion 21 to adjust the mounting position, and the slot 26 provided in the base 24 is fixed in a state of being aligned with the slit 25. I have.
A large number of ventilation holes 27 for ventilation are formed in a staggered manner at a position near the front panel 16 at the center of the mounting surface 17.
[0009]
The pull-out shelf 11 as described above is supported by a slide support mechanism 29 (hereinafter, slide rail 29) via a mount rail 28 attached to a frame of the rack 10 so as to be freely put in and out.
The slide rail 29 has a well-known two-stage structure, and has a cabinet member 29a attached to the mount rail 28 side and an intermediate member -29b as shown in FIG. The intermediate member -29b is configured to be movable via an inner member 29c, and an inner member 29d attached to the side of the pull-out shelf 11 is movably provided on the intermediate member -29b.
[0010]
Next, an example of a lock mechanism for fixing, releasing, or operating the pull-out shelf 11 at the storage position, the pull-out position, or any other position will be shown and described.
As shown in FIGS. 5 and 6, the lock mechanism 30 is attached to the push button 20 protruding from the front panel 16 so as to be movable in the axial direction. The screwed, narrow link plate 32 is brought into contact with both ends of the link plate 32, and is pressed by both ends of the link plate 32, thereby retreating an engagement piece (described later) from the mount rail 28, and thereby mounting the link rail 28. And engagement mechanisms 33, 33 configured to release the restraint on.
The push rod 31 extends from the front panel 16 side to the rear side through a rod bracket 34 provided on the rear side of the mounting surface 17 along the central axis on the rear side of the mounting surface 17, and the link plate 32.
The engagement mechanism 33 has a known structure, and has, for example, an engagement piece 33a urged so as to always protrude. The engagement piece 33a is pressed against the urging force by the link plate 32. And has a pressing operation piece 33b that can be pushed in a predetermined stroke. That is, by pressing the pressing operation piece 33b by the link plate 32, the engagement piece 33a is retreated from the engagement notch 35 formed in the mount rail 28 against the urging force to mount the engagement piece 33a. The restraint on the rail 28 is released. Note that the engagement notches 35 in the mount rail 28 are formed at least near both ends of the mount rail 28, and may be formed at appropriate positions in the middle of the mount rail 28.
[0011]
When the heavy equipment L is mounted on the pull-out shelf 11 as described above, the push button 20 of the lock mechanism 30 on the front panel 16 of the pull-out shelf 11 is pressed to release the constraint of the pull-out shelf 11 on the mounting rail 28, With the pair of handles 19, 19, the pull-out shelf 11 can be pulled out from the storage position in the rack 10 by operating the slide rail 29 and releasing the push button 20 (see FIG. 7). Then, the engagement piece 33a of the engagement mechanism 33 in the lock mechanism 30 is provided to the engagement notch 35 located on the front side of the rack 10 in the mount rail 28, so that the engagement piece 33a is engaged by the urging force. The pull-out shelf 11 can be fixed in the pulled-out position by engaging with the notch 35.
In this state, the heavy equipment L is mounted on the mounting surface 17 of the pull-out shelf 11, that is, the foot F of the heavy equipment L is placed in the concave part 21, and the base part 24 is formed in the concave part 21 in accordance with the heavy equipment L. The foot device F of the weight device L is brought into contact with the arcuate contact portion 23 of the fixed foot fixing bracket 22 by moving the slit device 25 over the several slits 25 and fixing the weight device L. Can be placed. At this time, since the contact portion 23 is formed in an arc shape, the foot portion F can be fixed even if there is a slight displacement.
As described above, since the foot fixing bracket 22 can be moved and adjusted in the concave portion 21, it is possible to fix the heavy equipment L having various dimensions at a predetermined position (see FIGS. 8, 9, and 10).
If the engagement notch 35 of the mount rail 28 is provided at an appropriate position in the middle of the mount rail 28, the pullout shelf 11 can be fixedly held at the middle position.
As described above, the mounting operation of the heavy equipment L is easy, and even when the heavy equipment L is required for maintenance, it is not necessary to remove the screws and once take out the heavy equipment L as in the related art. The pull-out shelf 11 may be pulled out from the storage position in the rack 10, and the wiring work from the front side to the rear side can be performed, so that the handling property is remarkably improved.
[0012]
Next, a description will be given of the pull-out shelf 12 provided with the tray 15 which can be taken out and used as an accessory storage. In the pull-out shelf 12, components substantially the same as those of the above-described pull-out shelf 11 are denoted by the same reference numerals.
In this pull-out shelf 12, as shown in FIGS. 11 and 12, the tray 15 can be advanced and retracted below the push button 20 of the lock mechanism 30 on the front panel 16, and is formed on the back side of the mounting surface 17. The information can be stored in the guide frame 36. The guide frame 36 is provided such that the rear end face of the tray 15 reaches the rod bracket 34 into which the push rod 31 is inserted (see FIG. 13).
The rod bracket 34 comes into contact with the rear end surface of the tray 15 to hold the tray 15 in the storage state on the back surface of the mounting surface 17, while pressing the front end surface exposed on the front panel 16 to provide a predetermined stroke. A magnet-type holding means 37 is provided so as to protrude the end face. The magnet type holding means 37 has a well-known configuration, and has an operating rod 37a projecting a predetermined stroke. A magnet (not shown) is implanted at the distal end of the operating rod 37a, and the receiving member 38 constituted by a magnetic member provided on the rear end face of the tray 15 is held by suction or is pushed away against the magnetic force. It has a configuration. By projecting the operating rod 37a, the rear end face of the tray 15 is pushed away against the magnetic force, so that the tray 15 can be easily pulled out to a desired position.
[0013]
With such a structure, the tray 15 can be stored on the back side of the mounting surface 17 when not in use, and the tray 15 can be prevented from inadvertently protruding. By pressing the front end surface exposed on the front panel 16, the front end surface can be protruded by the stroke of the operating rod 37a so that the tray 15 can be easily pulled out to a desired position, and the handleability is excellent. (See FIG. 14).
In this pull-out shelf 12 as well, if the engagement notch 35 in the mounting rail 28 is provided at an appropriate position in the middle of the mounting rail 28, the pull-out shelf 12 can be fixed and held at an intermediate position, and maintenance can be performed. It can be used for inspection work, wiring work, etc.
[0014]
【The invention's effect】
As described above, according to the present invention, heavy equipment such as AV equipment and measuring equipment can be easily and safely mounted in multiple stages on a rack or the like. It is only necessary to pull out from the storage position, and it is possible to perform a wire connection work from the front side to the back side, and the handling is remarkably improved. That is,
(1) Since a mounted object can be placed on a shelf that has been pulled out in advance when the object is mounted, it is possible to have a place where the weight is balanced, so that the work can be performed safely.
(2) The left and right sides of the shelf are grooved in the front and rear, and fixing holes for brackets for fixing the feet of the load are formed in rows in the grooves, corresponding to a wide range of foot positions. be able to.
(3) Since there is a lock mechanism at both the time of storage and the time of pulling out, there is no need to screw the front part to the rack, and the pulling out at the time of daily maintenance becomes easy.
(4) The lock mechanism can operate the left and right lock pins by simply pressing one place with a simple link mechanism, and a secure fixed state can be obtained.
(5) The fixing position can be freely changed by opening the U-shaped cutout of the mounting rail at an arbitrary position.
(6) The unit can be divided into three parts by using a slide rail which can be inserted and removed, and the rack can be easily mounted. In addition, since the mounting hole position conforms to the panel mounting standard, the mounting position can be reliably determined without having to measure it with a measure in calculation.
(7) It can be mounted on most 19-inch standard racks by replacing or changing the mounting rail.
(8) Those with a tray can be used as memo writing and tape mounting tables.
[0015]
[Brief description of the drawings]
FIG. 1 is an external perspective explanatory view showing an example of a rack to which a pull-out shelf according to the present invention is applied.
FIG. 2 is an explanatory plan view of a pull-out shelf in the rack shown in FIG. 1;
FIG. 3 is an explanatory front view of a pull-out shelf in the rack shown in FIG. 1;
FIG. 4 is an explanatory front view of a main part, showing a mounting structure of a pull-out shelf in the rack shown in FIG. 1;
FIG. 5 is an explanatory view of the arrangement of a lock mechanism for fixing and holding the pull-out shelf according to the present invention at a storage position and a pull-out position.
FIG. 6 is a schematic structural explanatory view of the lock mechanism shown in FIG. 5;
7 is an explanatory plan view of a main part, showing a state where a pull-out shelf in the rack shown in FIG. 1 is pulled out.
FIG. 8 is a schematic front view showing a main part of the pull-out shelf according to the present invention, in which heavy equipment is positioned and mounted.
FIG. 9 is a schematic front view showing a main part of the pull-out shelf according to the present invention, in which a heavy equipment is positioned and mounted.
FIG. 10 is a schematic main part side view showing a state in which a heavy equipment is positioned and mounted on the pull-out shelf according to the present invention.
FIG. 11 is a partially omitted front view showing an example of a pull-out shelf according to the present invention.
FIG. 12 is an explanatory plan view of the pull-out shelf shown in FIG. 11;
13 is a schematic perspective explanatory view of the pull-out shelf shown in FIG. 11 as viewed from below.
FIG. 14 is a schematic diagram for explaining the operation of the pull-out shelf shown in FIG.
FIG. 15 is an explanatory perspective view showing one method of mounting a current heavy equipment on a rack.
FIG. 16 is an explanatory perspective view showing another method of mounting the existing heavy equipment on a rack.
FIG. 17 is an explanatory perspective view showing another method of mounting the existing heavy equipment on a rack.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 Heavy equipment mounting racks 11 and 12 Pull-out shelf 13 Column member 14 Side plate 15 Tray 16 Surface panel 17 Mounting surface 18 Ventilation slit 19 Handle 20 Push button 21 Depression 22 Foot fixing bracket 23 Contact part 24 Base part 25 Slit 26 Slot 27 Vent hole 28 Mount rail 29 Slide rail 29a Cabinet member 29b Intermediate member 29c Inner member 30 Lock mechanism 31 Push rod 32 Link plate 33 Engaging mechanism 33a Engaging piece 33b Operating piece 34 Rod bracket 35 Engaging notch 36 Guide frame 37 Magnet type holding means 37a Operating rod 38 Receiving member L Weight device F Foot

Claims (4)

The heavy equipment mounting rack has a mounting panel mounted on a frame body attached to a frame of the heavy equipment mounting rack so that it can be freely taken in and out, and has a mounting surface for heavy equipment and a surface panel facing the front of the rack. A recess is provided for mounting the foot of the heavy equipment to be mounted, and a foot fixing bracket for positioning and fixing the foot of the heavy equipment is adjustably provided in this recess, and a mounting surface for the heavy equipment is provided. A storage mechanism, a drawer position, and other positions, and a lock mechanism for releasing the fixation, and a fixture table can be taken in and out from the front panel to the mounting surface. And pull out shelf. The lock mechanism includes a long push rod, which is axially movable by a push button protruding from a surface panel, a narrow link plate screwed to a tip of the push rod in an orthogonal state, and a link. An abutting mechanism, which is pressed against the both ends of the plate and pressed by the both ends of the link plate, so as to retreat the engaging piece from the mounting rail to release the restraint on the mounting rail, and the push rod has And extending from the front panel side to the rear surface via a rod bracket provided on the rear surface of the mounting surface along the central axis on the rear surface side of the mounting surface, and connected to the link plate. Item 2. The pull-out shelf according to Item 1. The engagement mechanism has an engagement piece that is urged to always protrude, and has a pressing operation piece that can be pushed by a predetermined stroke against the urging force by the link plate by the link plate. Then, by pressing the pressing operation piece by the link plate, the engagement piece is retreated from the engagement notch formed in the mount rail against the urging force to release the constraint on the mount rail. 3. The pull-out shelf according to claim 2 , wherein the engagement notch in the mount rail is formed at least near both ends of the mount rail . The pull-out shelf according to claim 3, wherein the engagement notch is formed at an appropriate position in an intermediate portion of the mount rail .

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