JPH0938231A - Door device for fire hydrant housing box - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a door structure which can be easily installed, as an opening and closing door for fire hydrant housing box, in both opening directions of right-handed type and left-handed type according to construction site. SOLUTION: A vertical pair of short shafts 2a, 2a and 2b, 2b are provided on both lateral sides of the opening part of a fire hydrant housing box 1. Further, a vertical pair of engaging metal fittings 5a, 5a and 5b, 5b are mounted on both lateral sides on the back surface of a door body 4. When right-handed type door opening structure is desired, the right-handed engaging metal fittings 5a, 5a of the door body 4 are engaged with the right-handed short shafts 2a, 2a of the fire hydrant housing box 1, and mounted by a fixing metal fitting 8 in such a manner that the engaging metal fittings 5a, 5a are not separable from the short shafts 2a, 2a, and rotatable around the short shafts 2a, 2a, and the left-handed engaging metal fittings 5b, 5b of the door body 4 are elastically engaged with and disengaged from the left-handed short shafts 2b, 2b of the fire hydrant housing box 1. When left-handed type door opening structure is desired, the left-handed engaging metal fittings 5b, 5b can be rotatably connected to the left-handed short shafts 2b, 2b by the fixing metal fitting 8.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door device for a fire hydrant storage box storing a fire hose or the like, and a door of a fire hydrant storage installed in a school, a building, a public facility, etc. can be opened in either the left or right direction. The present invention relates to a door device for a fire hydrant storage box that can be set so as to be able to.

[0002]

2. Description of the Related Art Conventionally, fire hydrants installed in various buildings have been installed at appropriate positions by burying them inside walls and attaching doors, or exposing and fixing a storage box on a wall surface. However, due to the layout of the building and the layout of the wall, there are cases where the fire hydrant storage box has to be installed in a narrow space such as the end of a corridor or one corner of a wall.

When a fire hydrant storage box is installed in a narrow space such as the end of a corridor or one corner of a wall, for example, when the wall is on the right side, the pivot of the door of the storage box is provided on the right side of the storage box. It is necessary to install so as to form a so-called right-handed type which is open to the front with the pivot as the center. Conversely, if there is a wall surface on the left side, it must be installed so as to be a left-handed type. For this reason, two types of fire hydrant storage boxes, a right-hand type and a left-hand type, have been prepared in the related art, and currently selected and installed according to the situation.

[0004]

Therefore, the manufacturer of the fire hydrant storage box manufactures and prepares two types of door types, so that the product inventory is doubled and the user is required In order to place an order, it is necessary to carefully check the number of left and right openings, and it is necessary to separately manage right-handed type and left-handed type of ordered products.

Further, since such a fire hydrant storage box is mainly formed of a metal casing, the door opening / closing direction of the fire hydrant storage box is changed by, for example, changing the partition or layout of the building after the fire hydrant storage box is once installed. If the need arises, it is almost impossible to change the hinge position of the door, unlike the case with a wooden housing, and it is necessary to replace the fire hydrant storage box with another opening and closing direction and replace it again. there were.

The present invention has been made in view of the above-mentioned problems of the conventional fire hydrant storage box. The right-hand type and the left-hand type can be used not only when the opening and closing direction of the fire hydrant storage box is installed but also after installation. It is an object of the present invention to provide a fire hydrant storage box door device which can be easily arranged in any use state of a mold.

[0007]

In order to achieve the above object, a door apparatus for a fire hydrant hangar according to the present invention comprises a fire hydrant storage box for accommodating a fire hydrant and upper and lower ends at the left and right ends of the open end of the fire hydrant storage box. A pair of upper and lower short axes protruding from the lower surface respectively, a door body for opening and closing the front opening end of the fire hydrant storage box, and upper and lower ends of the left and right ends of the rear surface of the door body, respectively. A pair of upper and lower engaging metal fittings, and a fixing metal fitting for fixing the engaging metal to the short axis in an engaged state, and a pair of upper and lower engaging metal fittings on one of the right and left sides of the door body. The fire hydrant storage box is engaged with a pair of upper and lower short shafts on either one of the left and right sides protruding from the opening end of the fire hydrant storage box, and is fixed so as not to be detachable by a fixing bracket, and the pair of upper and lower short shafts is used as a fulcrum and a door is provided. The main body is rotatable so that it can be opened and closed freely. Square side of the pair of upper and lower engaging alloy tool a pair of upper and lower minor axis of the other side of the fire hydrant storage boxes are configured to hermetically detachably engaged.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION At the open end of a fire hydrant storage box, a pair of upper and lower short axes are respectively provided on the right and left sides thereof so as to be opposed to each other on a vertical line, while the rear surface of the door main body is provided with the short axis. Since a pair of upper and lower engaging fittings are fixed to the right and left sides so as to face each other on a vertical line, for example, in the case of this right-handed door, the upper and lower fittings provided on the right side of the fire hydrant storage box are used. After engaging a pair of upper and lower engaging fittings provided on the right side of the door main body with a pair of short shafts, the engaging fittings are fixed to the short shaft so that they cannot be disengaged from the short shaft and are rotatably connected. is there. Then, a pair of upper and lower engaging fittings provided on the left side of the door body is releasably engaged with a pair of upper and lower short axes provided on the left side of the fire hydrant storage box, and the door body is fixed to the fixing fitting side. It is configured to open and close around the center. In the case of a left-handed door, the mounting method may be reversed from the above.

The engaging fitting is made of an elastic metal plate, and has a semicircular left and right holding portion for holding the short axis on both sides of a seat plate fixed to the back of the door body. It has a structure in which protruding pieces that are bent in the expanding direction are provided at the ends of the parts. On the other hand, the fixing bracket has a back plate portion and a locking piece portion that bends both sides of the back plate portion obliquely inward and locks with the protruding piece portion of the engagement fitting.

Therefore, when the engaging metal fitting of the door main body is pressed from the front side of the short axis of the fire hydrant storage box, the right and left holding portions of the engaging metal fitting are shortly expanded while being elastically pushed right and left through the both side projecting pieces. The shaft is fitted between these left and right holding parts, and the short axis is held by the restoring force of the left and right holding parts. In this state, by pulling the door body toward the user, the short axis can be disengaged from the engagement fitting while expanding the left and right holding portions to the left and right, and the door body can be opened and closed.

In order to pivotally attach the door body, the upper and lower engagement shafts of the door body facing the short axis are attached to one of the upper and lower short axes of the fire hydrant storage box as described above. Then, the locking piece of the fixing metal is inserted from above into the inner surface of the both side protruding pieces of the engaging metal and locked, so that the right and left holding portions of the engaging metal are fixed by the fixing metal. Opening to the left and right is prevented, and the engagement fitting is rotatably connected to the short axis in a state in which the engagement fitting is prevented from coming off, so that the pivoting portion can be easily configured.

In this manner, in a state where the engagement fitting of the door main body is detachably engaged with the short axis of the fire hydrant storage box side, one of the upper and lower engagement fittings is mounted so as to cover the fixing fitting. Alone, the pivot portion of the door body is constituted, and the door body is rotated about this pivot portion, and the other upper and lower engagement metal fittings of the door body are elastically moved to the other upper and lower short axis of the fire hydrant storage box. And the door body can be closed openably and closably. Therefore, it is possible to easily change to an open structure of either a right-hand type or a left-hand type.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings showing one embodiment. FIGS. 1 to 3 show a door device of a fire hydrant storage box of the present invention, in which an upper portion of a fire hydrant storage box 1 made of a metal housing is formed in a mounting portion B such as an alarm device, and a central portion thereof. Are formed in the storage section A of the fire hose and the fire hydrant. A pair of upper and lower short shafts 2a, 2a, 2a protruding toward the same vertical line on the upper and lower surfaces of the top surface and the floor surface at the left and right ends of the opening end of the storage portion A of the fire hydrant.
b and 2b are fixed respectively. These short bills 2a and 2b are arranged at positions where the door body 4 can rotate from the left and right side walls of the fire hydrant storage box 1. Therefore, the opening end of the fire hydrant storage box 1 is formed in a symmetrical shape. A fire extinguishing equipment 3 such as a fire extinguishing hose is housed inside the fire hydrant storage box 1.

The door body 4 is formed in a size to cover the front surface of the fire hydrant storage section A of the fire hydrant storage box 1, and a pair of upper and lower sides as shown in FIG. The engagement fittings 5a, 5a and 5b, 5b are fixed respectively. These engagement metal fittings 5a and 5b are provided at positions related to a pair of upper and lower short shafts 2a and 2b provided on both left and right sides of the opening end of the fire hydrant storage box 1, and the short shafts 2a and 2b are provided. The engagement fittings 5a and 5b respectively corresponding to are formed so as to be removably engaged.

The engaging metal fittings 5a and 5b are formed from elastic metal plate pieces, and as shown in FIGS. 4 and 5, a rectangular seat plate 51 having a flat rear surface fixed to the rear surface of the door body 4. On both sides, semi-circular left and right holding portions 52, 52 curved with substantially the same radius of curvature as the diameters of the short axes 2a, 2b are formed, and the front ends of the left and right holding portions 52, 52 are cross-shaped in a cross-section. The left and right holding portions 52, 52 are formed integrally with projecting pieces 53, 53 projecting obliquely outward in the direction of expanding from the tips of the left and right holding portions 52, 52. A gap 6 smaller than the diameter of the short axes 2a, 2b is provided between the left and right protruding pieces 53, 53 bent in directions opposite to each other. 7 is the left and right holding part
It is a circular space formed between the facing surfaces of 52 and 52.

Reference numeral 8 denotes a pair of upper and lower short shafts 2a provided at the left and right ends of the fire hydrant storage box 1, one of a pair of upper and lower engagement fittings 5a and 5b provided at both left and right ends of the door body 4. Fixing bracket for irremovably connecting to one of 2b,
As shown in FIG. 6, a rectangular back plate 81 and locking pieces 82, 82 bent obliquely inward from both ends of the back plate 81 are formed. Adjust the width to the above-mentioned engagement fittings 5a, 5b.
These locking pieces 82, equal to the protrusion width of the protruding pieces 53,
The projections 53 of the engagement fittings 5a and 5b are configured to be locked on the inner surface side of 82. 9 is an insertion groove formed between the back plate 81 and the locking piece 82. Reference numeral 10 denotes a knob protruding obliquely rearward from the upper end of the rear plate portion 81.

An installation procedure of the door device thus configured will be described. First, after the fire hydrant storage box 1 is attached to a predetermined position on the wall surface of the building, the door body 4 is pivotally pivoted with respect to a pair of upper and lower short shafts 2a and 2b provided at both left and right end portions of the fire hydrant storage box 1. When it is desired to have a right-handed opening / closing door structure as shown in FIGS. 3, 4, 7, and 8, a pair of upper and lower sides provided on the right side of the fire hydrant storage box 1. After a pair of upper and lower engaging members 5a, 5a provided on the right side of the door body 4 are engaged with the short shafts 2a, 2a, the upper and lower engaging members 5a, 5a correspond to the fixing members 8, 8, respectively. Vertical minor axis
It is attached so as not to be detached from 2a, 2a and to be rotatable around short axes 2a, 2b.

More specifically, this mounting method is described below. A space between the projecting pieces 53, 53 of the upper and lower engaging fittings 5a, 5a on the right side of the door body 4 is respectively connected to the upper and lower short axes 2a, 2a on the right side of the fire hydrant storage box 1. When the door body 4 is pressed in the abutted state, the inclined outer surfaces of the both side protruding pieces 53, 53 of the engagement fittings 5a, 5a slide on the both peripheral surfaces of the short shafts 2a, 2a via the inclined outer surfaces. The gap 6 between the projecting pieces 53, 53 of the engaging metal fittings 5a, 5a is pushed right and left, and at the same time, the gap between the opposing surfaces of the left and right holding parts 52, 52 is also widened. When the short axis 2a passes through the gap 6 and enters the space 7 between the left and right holding portions 52, 52, the engagement fitting 5a instantly reduces the gap 6 by its elastic restoring force, The shaft 2a is rotatably held by the left and right holding portions 52, 52.

In this state, when the door body 4 is pulled toward the user, the engagement fittings 5a, 5a are brought into sliding contact with the short shafts 2a, 2a.
The left and right holding portions 52, 52 expand left and right, and the gap 6 expands, and the engagement fittings 5a, 5a are easily separated from the short shafts 2a, 2a. This prevents the separation. That is, after fitting the left and right holding portions 52 of the fittings 5a, 5a into the short shafts 2a, 2a, the knob 10 of the fixing metal 8 is picked up, and the right and left locking pieces 82 of the fixing metal 8 are picked up. , 82 are inserted from above the engagement metal fitting 5a while being locked to the left and right projection pieces 53, 53 of the engagement metal fitting 5a.
Is fixed in the insertion groove 9 of the fixing bracket 8 in a locked state.

With this configuration, even if the door body 4 is pulled forward, the left and right holding portions 5 of the engagement fitting 5a with respect to the short axis 2a.
Since the doors 2 and 52 are prevented from expanding, they do not come off, and the door body 4 opens and closes the front opening of the fire hydrant storage box 1 around the right and left short vertical shafts 2a and 2a. Then, with respect to the left and right short shafts 2b and 2b on the left side of the fire hydrant storage box 1, the upper and lower engaging metal fittings 5b and 5b on the left side of the door body 4 are engaged and disengageably locked by their elastic force to open and close the right-handed type. It has a door structure.

In order to form the door body 4 into a left-handed open structure, as shown in FIG. Engagement fitting
The door body 4 can be opened and closed about the short shafts 2b and 2b by fitting the 5b and 5b in the same manner as described above with the fixing metal fittings 8 and non-separable. In this case, the fire hydrant storage box The vertical engaging fittings 5a, 5a on the right side of the door body 4 are elastically disengaged from the vertical short shafts 2a, 2a on the right side of the door 1. When the handle 11 is provided on the door body 4, the door body 4 can be commonly used as an open door on either side by turning the door body 4 upside down.

[0022]

As described above, according to the door apparatus for a fire hydrant storage box of the present invention, a pair of short axes is vertically provided on the left and right at the opening of the fire hydrant storage box, while the vertical is formed on the left and right on the rear surface of the door body. A pair of engagement metal fittings are attached, and a pair of upper and lower short metal fittings on either one of the left and right sides protrudingly provided at the opening end of the fire hydrant storage box are provided. Since it is configured so that it can be engaged with the shaft and pivotally attached by the fixing bracket so that it cannot be removed, the vertical axis of the other side of the door main body is attached to the vertical short axis of the other side of the fire hydrant storage box around this pivoted part. A door opening / closing structure for engaging and disengaging the engagement fitting can be provided, so that the structure can be simply and inexpensively supplied, and a conventional right-handed door structure and a left-handed door structure as in the related art.
There is no need to manufacture different types of fire hydrant storage boxes, and one type can easily be installed in either open right-hand or left-hand open structures. Further, even after the construction, the opening direction of the door can be easily changed.

Furthermore, since the fire hydrant storage box can be constructed without regard to the opening / closing direction of the door body, material management at the construction site and checking of the door type at the time of construction are not required, and in the event that the wall position cannot be Even if there is a change and it becomes necessary to open and close the door body in the opposite direction to the originally planned opening and closing of the fire hydrant storage box, do not arrange a new fire hydrant storage box again At the same time, it is possible to respond simply by reversing the mounting position of the fixing bracket, so that the construction period is not delayed.

The engaging fitting is made of an elastic metal plate, and has a semicircular left and right holding portion for holding the short axis on both sides of a seat plate fixed to the back of the door body. Projecting pieces bent in the direction of expansion are projected from the ends of the left and right holding parts, and the fixing metal is bent obliquely inward at the rear plate part and both side ends of the rear plate part to form the engaging metal. And a locking piece that locks to the protruding piece of the fitting, so that the left and right protruding pieces of the engaging metal fitting are pressed against the short axis of the fire hydrant storage box, so that the distance between the left and right holding parts is increased. Can be engaged to removably engage the engagement fitting with the short axis. The engagement fitting was prevented from detaching from the short axis by being inserted from above the engagement fitting and locked to the protruding piece. Are those capable of forming a structure of the shaft portion easily, Right hand type as described above, it is capable of easily and construction without the use of such special tools to open and close the door structure of the left hand type.

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of a fire hydrant storage box door device of the present invention;

FIG. 2 is a front view showing the inside of the fire hydrant storage box of FIG. 1;

FIG. 3 is a simplified perspective view of a right-handed opening / closing door with the door opened.

FIG. 4 is an enlarged perspective view of a part thereof;

FIG. 5 is a perspective view of an engagement fitting;

FIG. 6 is a perspective view of a fixing bracket,

FIG. 7 is a simplified plan view of a right-handed door opening / closing structure;

FIG. 8 is an enlarged plan view of the main part,

FIG. 9 is a simplified plan view of a left-handed door opening / closing structure.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Fire hydrant storage box 2a, 2b Short axis 4 Door body 5a, 5b Engagement fitting 51 Seat plate 52 Semicircular holding part 53 Protrusion piece 8 Fixing fitting 81 Back plate 82 Locking piece

Claims (2)

[Claims] 1. A fire hydrant storage box for accommodating a fire hydrant, a pair of upper and lower short shafts projecting from the upper and lower surfaces at the left and right ends of the opening end of the fire hydrant storage box, respectively, and the fire hydrant storage box. A door main body that opens and closes the front opening end, a pair of upper and lower engaging fittings that are fixed to the upper and lower end portions of the left and right end portions of the back surface of the door main body, respectively, and the engaging fittings that engage the short shaft. It consists of fixing metal fittings that fix it in a fitted state,
A pair of upper and lower engaging metal fittings on either the left or right side of the door body are engaged with a pair of upper or lower short shafts on either the left or right side protruding from the opening end of the fire hydrant storage box, and the fixing metal fittings are used. The door body is fixed irremovably and the door body can be freely opened and closed with the pair of upper and lower short shafts as fulcrums, and the pair of upper and lower engaging fittings on the other side of the door body are paired with the upper and lower short sides on the other side of the fire hydrant storage box. A door device for a fire hydrant storage box, characterized in that it is configured to be detachably engaged with a shaft. 2. An engaging metal fitting comprising an elastic metal plate piece,
Semi-circular left and right holding parts that hold the short shaft are formed on both sides of the seat plate part that is fixed to the back surface of the door body, and projecting parts that are bent in the expanding direction are formed at the tips of the left and right holding parts. The fixing metal fitting is formed so as to project, and forms a back plate portion and a locking piece portion that bends both ends of the back plate portion obliquely inward and locks the projection metal piece of the engaging metal fitting. The door device for the fire hydrant storage box according to claim 1, wherein