JPH1136716A - Vibration-resistant fixing metal tool for fire-resistant safe - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vibration-resistant fixing metal tool for a fire-resistant safe which prevents slipping or falling thereof in an earthquake and which can be easily fitted to the safe installed in a narrow space. SOLUTION: Caster brackets 2 are fixed at the four corners of the bottom face of the fire-resistant safe 1 and casters 3 are fitted to the support shafts provided in the brackets 2, in the vibration-resistant fixing metal tool thereof. The fixing metal tool is provided with a pair of floor metal plates 6 fixed to the right and left floor faces of the fire-resistant safe 1 with anchor bolts 9 to place the casters 3 and stretched to the forward and rearward directions of the safe 1, a pair of setting metal tools 7 laid at right angles against the floor metal plates 6 at the nearby positions of the forward and rearward ends thereof and fitted in notches 6b and provided with pressing parts 7a for projections to prevent the vertical movement of the projections 4a protruded from the caster brackets 2, at both ends of the pressing parts, and vibration- resistant metal tools 5 provided with a pair of latches stretched to the forward and rearward directions of the safe 1 and positioned on the setting metal tools 7 to prevent the vertical movement of the setting metal tool 7.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a metal fitting for preventing a firebox from falling down due to an earthquake.
The present invention relates to a seismic fixing bracket for a fireproof storage that can be easily attached to a fireproof storage whose installation is limited to a narrow part.

[0002]

2. Description of the Related Art In general, fireproof boxes and safes (hereinafter referred to as fireproof boxes) have a considerable weight from the viewpoint of fire resistance or crime prevention. It can cause fatal injuries to others. Also,
Even if it does not fall over, if the refractory cabinet shakes violently back and forth, left and right, there is a risk of damaging indoor walls and indoor equipment. In the case of a refractory cabinet with casters on the bottom, it is also possible to immobilize this caster with a wedge,
Although the movement in the front-rear and left-right directions of the refractory can be suppressed to some extent, it has no effect on the up-and-down movement, so that the fall cannot be prevented. Therefore, a countermeasure against earthquakes is usually taken in which a fixing bracket is attached to a wall or a floor to prevent the fireproof cabinet from shaking and falling.

[0003] Fig. 6 shows a conventional example of a metal fitting for the fireproof storage. FIG. 6A is a side view showing a state where the fixing bracket is attached to the fireproof storage, and FIG. 6B is a sectional view taken along line GG in FIG. 6A. Brackets 5 are provided at the four corners of the bottom of the refractory 51.
The caster 54 is rotatably supported on a caster support shaft 53 attached to the bracket 52. One end of the caster support shaft 53 is a bracket 52
And a projection 53a is formed. As shown in FIG. 6A, the fixing bracket 55 is a pair of Z-shaped steel members having a substantially Z-shaped cross section, and is disposed on the left and right floors below the fireproof cabinet 51. As shown, the projection 53 of the caster support shaft 53 protruding from the front and rear brackets 52
and the front and rear portions are fixed to the floor with anchor bolts 56. When the refractory 51 vibrates,
Vibration in the front-rear direction is suppressed when the side surface 52 a of the bracket 52 abuts on the end surface 55 a of the fixing bracket 55. Also, in the left-right and up-down directions, the protrusion 53 a of the caster support shaft 53 is
b, by being in contact with the upper surface portion 55c, each is suppressed.

[0004]

The method of mounting the fixing bracket 55 is such that the refractory 51 is first placed at a predetermined installation place, and then the fixing bracket 55 is inserted from the left and right directions and fixed with the front and rear anchor bolts 56. It is. However, in the case of a fixing bracket requiring such a construction method, for example, when a fireproof storage is already installed, and indoor equipment such as a file shelf is arranged close to both sides, these left and right indoor equipment are used. Is required to once move and then mount the fixture 55.

The present invention has been made to solve such a problem, and it is intended to prevent the fireproof storage from slipping or falling during an earthquake, and to provide a fireproof storage whose installation is limited to a narrow portion. It is an object of the present invention to provide an earthquake-resistant fixing bracket for a fireproof storage, which facilitates installation work of a fireproof storage.

[0006]

The present invention has the following configuration to achieve the above object. A caster bracket is fixed to four corners of the bottom surface, and is a seismic fixing bracket of a fireproof cabinet in which casters are attached to caster support shafts provided on the caster bracket. The caster brackets are fixed to both left and right floors of the fireproof cabinet, and the casters are mounted. Placed, a pair of floor metal fittings extending in the front-rear direction of the refractory, and orthogonally crossed near the front and rear ends of the pair of floor metal fittings, and fitted to the floor metal fittings, at both ends, A pair of presser fittings provided with a protrusion presser for suppressing the vertical movement of the protruding section from the caster bracket, and extending in the front-rear direction of the fireproof storage, and located above the presser fitting, An anti-seismic fixation of a fireproof storehouse comprising: a pair of bar rods for suppressing movement, presser fitting fitting means for fitting the holding metal fitting to the floor metal fitting, and bar bar supporting means for supporting the bar rod to the metal fitting. Metal fittings It was. In addition, a notch is formed in the vicinity of the front and rear ends of the mounting plate metal fitting as the holding metal fitting means, and the holding metal fitting is dropped into the notch. Further, as the bar-bar supporting means, an upright plate is attached near the front and rear ends of the floor plate metal fitting, and the bar-bar is inserted and supported in a through hole formed in the upright plate.

[0007] Next, a gap is provided around both sides and the ceiling surface of the fireproof cabinet with a gap provided therebetween, and both lower ends of the strip are fixed to the floor fixing member of the fireproof cabinet. A seismic fixing bracket for a fireproof cabinet provided with a tensioning mechanism that abuts against the ceiling surface of the fireproof cabinet and applies a variable tension to the bandboard material, the beltboard member being opposed to the ceiling surface.

[0008]

Embodiments of the present invention will be described below in detail with reference to the drawings. 1 to 3 are explanatory views showing a first embodiment, FIG. 1 is an external perspective view showing a fireproof storage provided with a seismic fixing bracket according to the present invention, and FIG. 2 is an external explanatory view of a seismic fixing bracket. 2 (a) is a plan view, FIG. 2 (b) is a front view, and FIG. 3 is an exploded perspective view showing a combined state of a floor metal fitting, a holding metal fitting, and a bar bar which are components of the seismic fixing metal fitting. . FIGS. 4 and 5 are explanatory views showing the second embodiment. FIG. 4 is an external perspective view of an earthquake-resistant fixing bracket installed in a fireproof storage, and FIG. 5 is an explanatory view showing a tension mechanism of the earthquake-resistant fixing bracket. is there. In the following description, the term “front and back” refers to a direction perpendicular to the plane of FIG.
The term "up and down" indicates the same vertical direction, and the term "left and right" indicates the same horizontal direction.

In FIG. 1, reference numeral 1 denotes a fireproof cabinet, which is provided with an opening / closing door 1a on the front surface, and casters 3 are mounted at four corners on the bottom surface via caster brackets 2.
As shown in FIG. 2A, the caster bracket 2 has a U-shape in cross section, and is fixed to the bottom surface of the fireproof cabinet 1 so that the opening is directed in the left-right direction. The caster 3 is rotatably supported on a caster support shaft 4 that extends over the side surface 2 a of the caster bracket 2. Therefore, when the fireproof storage 1 is not restrained by the seismic fixing bracket, it can be moved only in the left and right directions by the casters 3.

The anti-seismic fixing bracket 5 according to the present invention is composed of a pair of floor metal fittings 6, a holding metal fitting 7, and a bar rod 8 each of which constitutes a pair. As shown in FIG. 2B, the floor metal fitting 6 is a plate member that extends in the front-rear direction of the fireproof storage 1 and has a U-shaped cross section. Are fixed to the floor by anchor bolts 9 near the front and rear ends. The casters 3 attached to the bottom surface of the refractory 1 are mounted on a pair of floor metal fittings 6 fixed to the left and right floor surfaces. A stopper plate 6d is fixed to the rear end of the floor metal fitting 6, and when the fireproof cabinet 1 swings in the front-rear direction, the stopper plate 6d comes into contact with the rear caster bracket 2 and moves backward of the fireproof cabinet 1. It is designed to prevent movement.

The holding member 7 is a plate member having a U-shaped cross section.
Are fitted orthogonally to the vicinity of the front and rear ends and fitted to the floor metal fittings 6. The press fitting fitting means for fitting the press fitting 7 to the bottom plate fitting 6 is as follows. That is,
Near the front and rear ends of the opposing surface portions 6a where the pair of floor metal fittings 6 oppose each other, a notch 6b serving as a holding metal fitting means, that is, a notch 6b having a notch width slightly larger than the width dimension of the holding metal fitting 7. Is formed (see FIG. 3), and the presser fitting 7 is dropped into the notch 6b. Therefore, the presser fitting 7 comes into contact with the end face 6c formed by the notch 6b, so that the movement in the front-rear direction is prevented. Further, the presser fitting 7 is provided at each end thereof with a protruding portion presser 7a for suppressing the vertical movement of the protruding portion 4a of the caster support shaft 4 from the caster bracket 2. As shown in FIG. 2 (b), the protrusion holding member 7a is a member having an inverted L-shaped cross section, the side surface portion 7b is located in the vicinity of the side of the protrusion 4a, and the upper surface portion 7c is the same as the protrusion 4a. It is fixed to the tip of the holding member 7 so as to be located near the upper side.
Therefore, the protruding portion 4a is provided on the upper surface portion 7 of the protruding portion presser 7a.
By abutting on c, the vertical movement of the refractory 1 is suppressed.

Next, the bar 8 is a member that extends in the front-rear direction of the refractory 1 and is located above the holding member 7 to suppress the vertical movement of the holding member 7. Uses steel bar. The bar-bar supporting means for supporting the bar 8 on the metal plate 6 is as follows. First, a standing plate 10 is attached near the front and rear ends of the floor metal fitting 6. As shown in FIG. 3, the standing plate 10 is a member having a deformed U-shape having a long side portion 10a and a short side portion 10b, the opening is directed upward, and the surfaces of the long side portions 10a are mutually opposed. It is fixed to the vicinity of the front and rear ends of the floor metal fitting 6 so as to face each other. And, on the long side portion 10a of the standing plate 10,
A rectangular through hole 10c slightly larger than the cross-sectional shape of the bar 8 is formed. The bar bars 8 are supported by the floor metal fittings 6 by being inserted into the through holes 10c of the front and rear standing plates 10. At this time, the bar 8 is in contact with the upper surface of the presser 7, but the vertical movement of the presser 7 can be suppressed even if the bar 8 is positioned so as to have a slight gap with the upper surface of the presser 7. It is. The tip of the bar 8 is tapered so as to be easily introduced into the through hole 10c.

The front end of the bar 8 is provided with a screw mounting hole 8.
A bracket 8b having an inverted L-shaped cross section and having a hole a is fixed. On the other hand, as shown in FIG. 3, a screw hole 10d is formed in a short side portion 10b of the standing plate 10 located on the front side of the fireproof storage 1 in the standing plate 10, and the bar rod 8 is moved forward and backward. The bar 8 is prevented from coming off by inserting the bracket 8b into the through hole 10c of the upright plate 10, bringing the bracket 8b into contact with the short side portion 10b of the upright plate 10, and tightening and fixing with the screw 11. Reference numeral 12 shown in FIGS. 2 and 3 indicates that when the bar 8 is inserted and moved, the moving direction is regulated, and the tip of the bar 8 is easily inserted into the through hole 10c of the rear standing plate 10. The guide member is a guide member for guiding to the notch 12 according to the sectional shape of the bar 8.
a is given. The guide member 12 is fixed to the vicinity of the center of the floor metal fitting 6 in the front-rear direction.

Next, a description will be given of a method of constructing the seismic fixing bracket configured as described above. When the fireproof storage is already installed in a predetermined place, first, from the front of the fireproof storage 1,
A jack is inserted between the bottom surface and the floor surface of the fireproof storage 1 and the fireproof storage 1 is lifted and temporarily moved to the front side.

The floor metal fittings 6, 6 are arranged on the left and right sides of the floor on which the fireproof storage 1 is installed, and are fixed to the floor by the front and rear anchor bolts 9. Then, the jack is operated again to lower the fireproof storage 1 to the original installation location. At this time, fireproof storage 1
The casters 3 attached to the bottom surfaces of are mounted on the left and right floor plate fittings 6, 6, respectively. Next, the presser fitting 7 is inserted between the bottom surface and the floor of the fireproof storage 1 from the front side of the fireproof storage 1. As shown in FIG. 2B, the caster bracket 2 and the upright plate 10 are located on the lower left and right sides on the front side of the fireproof storage 1, so that the operator first moves the presser fitting 7 back and forth. Fireproof storage 1 along the direction
And the direction is changed at the lower part of the refractory 1 so as to be perpendicular to the metal fittings 6 and 6 and to be mounted on the facing surface portions 6 a and 6 a of the metal fittings 6 and 6. And by hand,
Alternatively, press down the presser fitting 7 using a bar or the like,
It is dropped into the notch 6b on the rear side formed in the facing surface 6a. At this time, the side surfaces 7b of the protrusion holding members 7a formed at both ends of the holding metal fitting 7 are connected to the protrusions 4a of the caster support shaft 4.
, And the upper surface portion 7c is located near and above the protruding portion 4a. Similarly, the other holding member 7 is dropped into the front notch 6b of the bottom plate member 6 and fitted.

Next, the bar rod 8 is moved from the front side of the refractory 1
Through hole 10c of front standing plate 10 fixed to floor plate fitting 6
Into the through hole 1 of the rear standing plate 10.
0c. Since the guide member 12 is interposed between the front and rear standing plates 10, the moving direction of the bar 8 is restricted, and the bar 8 is smoothly inserted into the through hole 10c of the rear standing plate 10. . Then, the bracket 8b fixed to the front end of the bar 8 is fastened and fixed to the short side portion 10b of the front standing plate 10 with the screw 11.

As described above, according to the earthquake-resistant fixture according to the present invention, the installation work can be performed only by moving the already installed fireproof cabinet 1 to the front side with the jack. The operation of the seismic fixing bracket 5 when an earthquake occurs is as follows. First, when the fireproof housing 1 vibrates in the front-rear direction, the caster bracket 2 is fitted to the notch 6b of the floor plate metal fitting 6 and is restricted from moving in the front-rear direction by contacting the end face 6c. The vibration of the refractory 1 is suppressed by the contact of the side portion 2a. That is, the floor metal fitting 6 is a member that plays a role of suppressing vibration in the front-rear direction of the refractory 1. Further, with respect to the left-right vibration of the refractory 1, the rising portion on the side surface of the floor metal fitting 6 abuts on the caster bracket 2, thereby suppressing the vibration of the refractory 1. That is, the floor metal fitting 6 is a member that plays a role in suppressing the left-right vibration of the fireproof storage 1. Furthermore, in response to the vertical vibration of the refractory case 1, the protrusion 4 a is provided on the upper surface 7 c of the protrusion holder 7 a attached to both ends of the holder 7.
And attempts to lift the presser fitting 7 upward. However, the vertical movement of the presser fixture 7 is restricted by the bar rod 8, so that the vertical vibration of the refractory 1 is suppressed as a result. become. That is, the bar 8 serves as a member for suppressing the vertical vibration of the refractory 1.

Next, a second embodiment of the seismic fixture for a fireproof storage according to the present invention will be described with reference to FIGS. As shown in FIG. 4, in the case of a large refractory box 21 having a relatively high height, there is a fear that the floor fixing member alone cannot prevent a fall due to an earthquake. The seismic fixing bracket according to the present embodiment is intended to more reliably prevent the fireproof storehouse from overturning. Reference numeral 22 shown in FIG. 4 is an earthquake-resistant band which is a band plate material. As shown in FIG. 5 (a), the seismic band 22 is provided so as to extend in the vertical direction so as to provide a slight gap s1 on the left and right side surfaces of the fireproof box 21. It is fastened and fixed to a floor fixing member 23 attached below 21 by bolts 24. The floor fixing member 23 to which the seismic band 22 is to be attached only needs to have a portion to which the bolt 24 is attached, and is limited to the structure of the seismic fixing bracket 5 described in the first embodiment. I can't.

Reference numeral 25 denotes an anti-seismic member made of a band plate, which connects the upper ends of the left and right anti-seismic bands 22.
As shown in (a), it is arranged so as to provide a gap s2 with the ceiling surface of the fireproof storage 21. Mounting plates 25a are fixed to both ends of the earthquake-resistant member 25, and bolts 26 and nuts 27 are provided.
Is connected to the seismic band 22. Therefore, on both side surfaces and the ceiling surface of the fireproof cabinet 21, a seismic band 22 and a seismic member 25 made of a band plate material are provided around the gaps s1 and s2, respectively. By the way, a band plate material arranged opposite to the ceiling surface of the fireproof storage 21, that is, an earthquake-resistant member 25.
In contact with the ceiling surface of the fireproof storage 21,
There is provided a tensioning mechanism for giving a variable tension to the arm. In this embodiment, a bolt is used as the tensioning mechanism, and a screw hole 25b is formed near the left and right ends of the earthquake-resistant member 25, and the adjusting bolt 28 is formed in the screw hole 25b.
Are screwed together such that the bolt head 28a faces down.

The construction method and operation of the seismic fixture according to the present embodiment are as follows. The anti-seismic band 22 and the anti-seismic member 25 are connected in advance with bolts 26 and nuts 27. The adjusting bolt 28 is provided in the screw hole 25.
b. By the way, fireproof storage 21
Is already installed in a predetermined place, first, the fireproof storage 21 is pulled out by the jack. Then, the lower end of the seismic band 22 is fixed to the floor fixing members 23 laid on both left and right sides of the floor surface with bolts 24. Next, when the fireproof box 21 is returned to the predetermined position by the jack, the adjustment bolts 28 on both the left and right sides are rotated and adjusted with a wrench or the like, and the bolt head 28 a is brought into contact with the ceiling surface of the fireproof box 21. By adjusting the adjustment bolt 28, the left and right earthquake-resistant bands 22 are tensioned and stretched, so that the fireproof storage 21 is securely fixed to the floor fixing bracket 23.

In this embodiment, as shown in FIG. 4, as a set of seismic fixing brackets, the seismic member 25 and the two seismic bands 22 are attached to the fireproof cabinet 21.
Of course, it is also possible to arrange several sets in the front-back direction.

The preferred embodiment of the seismic fixing bracket of the fireproof storage according to the present invention has been described above. However, the shapes of the constituent members and the arrangement structure thereof are not limited to those described in the drawings. Various design changes can be made without departing from the spirit of the present invention. In the embodiment, the protrusion 4a from the caster bracket is the protrusion of the caster support shaft 4. However, the protrusion is not limited to the caster support shaft as long as the protrusion is fixed to the caster bracket 2. Of course, a rod member connecting the left and right caster brackets may be used.

[0023]

According to the seismic fixing bracket of the fireproof storage according to the present invention, the following effects can be obtained. (1) By adopting a divided structure consisting of a floor metal fitting, a holding metal fitting and a bar bar, if the fireproof storage is already installed in a predetermined place, it can be mounted simply by moving the fireproof storage to the front side. Mounting work is realized. In addition, there is an effect that it can be attached to a fireproof cabinet installed in a narrow space where there is no left or right room. (2) A band is provided around both sides and the ceiling of the fireproof cabinet with a gap provided therebetween, and both lower ends of the band are fixed to the floor fixing member of the fireproof cabinet, and the ceiling is fixed to the ceiling of the fireproof cabinet. The fireproof cabinet is fixed to the floor by using a seismic fixing bracket provided with a tension mechanism that abuts on the ceiling surface of the fireproof cabinet and applies a variable tension to the bandboard material, with the strip plate material disposed opposite to the ceiling plate. It can be firmly fixed to the metal fittings, and the fireproof storage can be more securely prevented from overturning. In addition, it is possible to fix more firmly by supporting it on the floor surface instead of supporting it on the ceiling or wall surface, which is weak in strength. Further, similarly to the effect of (1), mounting can be performed only by moving the fireproof storage cabinet to the near side, and simple mounting is realized. Furthermore, since the quake-resistant band and the quake-resistant member, which are the strips, can be attached simply by projecting several tens of millimeters from the surface of the fireproof storehouse, even if the fireproof storehouse is installed in a narrow space where there is no room left and right Installation can be performed.

[Brief description of the drawings]

FIG. 1 is an external perspective view showing a fireproof storage provided with an earthquake-resistant fixture in the first embodiment.

FIGS. 2A and 2B are explanatory views of the appearance of a seismic fixing bracket according to the first embodiment. FIG. 2A is a plan view and FIG. 2B is a front view. You.

FIG. 3 is an exploded perspective view showing a combination state of a floor metal fitting, a holding metal fitting, and a bar bar which are components of the earthquake-resistant fixing metal according to the first embodiment.

FIG. 4 is an external perspective view of a seismic fixing bracket attached to a fireproof storage in the second embodiment.

FIG. 5 is an explanatory view showing a tensioning mechanism of a seismic fixture in a second embodiment.

FIG. 6 is an explanatory view showing a conventional example of a seismic fixture for a fireproof storehouse.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 fireproof cabinet 2 caster bracket 3 caster 4 caster support shaft 5 seismic fixing bracket 6 floor plate bracket 7 holding bracket 8 bar stick 9 anchor bolt 10 standing plate 11 screw 12 guide member 21 fireproof cabinet 22 seismic band 23 floor fixing member 24 bolt 25 earthquake resistant Member 26 Bolt 27 Nut 28 Adjusting bolt

Claims (4)

[Claims] A caster bracket is fixed to four corners of a bottom surface, and is a seismic fixing bracket of a fireproof cabinet having casters attached to caster support shafts provided on the caster bracket, the caster brackets being fixed to right and left floors of the fireproof cabinet. The caster is placed, and a pair of floor metal fittings extending in the front-rear direction of the refractory box, are orthogonally wrapped around the front and rear ends of the pair of floor metal fittings, and fitted to the floor metal fittings. A pair of presser fittings provided at both ends with a protruding portion presser for suppressing the vertical movement of the protruding portion from the caster bracket, and extending in the front-rear direction of the fireproof storage, and located above the presser fitting, A pair of bar rods for suppressing the vertical movement of the presser fitting, presser fitting fitting means for fitting the presser fitting to the mounting plate fitting, and bar bar supporting means for supporting the bar bar to the mounting plate fitting. Naruko A seismic mounting bracket for fireproof warehouses. 2. The holding fitting fitting means according to claim 1, wherein a notch is formed near the front and rear ends of the floor metal fitting, and the holding fitting is dropped into the notch. Seismic mounting bracket for fireproof storage. 3. The bar-bar supporting means has a structure in which a standing plate is attached near the front and rear ends of the bottom plate metal fitting, and the bar-bar is inserted and supported in a through hole formed in the standing plate. The seismic fixture of a fireproof storehouse according to claim 1 or claim 2. 4. A strip material is provided around both sides and a ceiling surface of the fireproof cabinet with a gap provided therebetween, and both lower end portions of the strip material are fixed to a floor fixing member of the fireproof cabinet, and the ceiling of the fireproof cabinet is provided. A seismic fixing bracket for a fireproof cabinet, wherein a tension mechanism is provided for abutting the ceiling surface of the fireproof cabinet to apply a variable tension to the bandboard material, the beltboard member disposed opposite to the surface. .