JP2020111910A - Housing structure - Google Patents

Abstract

To surely maintain an open state of a slide door with a simpler structure.SOLUTION: A housing structure includes a housing, a slide door provided in the housing, a stopper provided in the housing, and a metal fitting provided in the slide door and in contact with the stopper, in which the stopper undergoes a rotation in contact with the metal fitting between a first position where the slide door can be opened/closed and a second position where the slide door is fixed in an open state, and is attracted by a magnet and fixed at the first position or the second position.SELECTED DRAWING: Figure 6

Description

The present invention relates to a housing.

In recent years, various housings having a sliding door have become widespread. In addition, many techniques have been proposed for improving the safety and convenience of the housing as described above. For example, Patent Document 1 discloses a technique in which a sliding door has a self-closing function by including a rail having an inclination and two types of rollers having different diameters.

Further, Patent Documents 2 and 3 disclose a technique of stopping the slide door at a predetermined position by fixing a roller of the slide door traveling on the rail with a stopper.

In addition, Patent Document 4 discloses a technique for realizing automatic locking and unlocking by rotating with shaking during an earthquake or movement.

JP, 10-141840, A JP, 2002-276240, A JP, 2010-209679, A JP, 10-317772, A

However, the self-closing function as described in Patent Document 1 may be a factor that reduces safety and convenience depending on the weight of the slide door and the specifications of the housing. Further, in the structures described in Patent Documents 2 and 3, there is a possibility that the fixing function may not work due to breakage of the roller or the like. Further, in the structure described in Patent Document 4, there still remains a doubt regarding the certainty of locking and unlocking.

Therefore, the present invention has been made in view of the above problems, and an object of the present invention is to be able to reliably maintain the open state of the slide door with a simpler structure, which is new and improved. To provide a case.

In order to solve the above problems, according to one aspect of the present invention, a housing, a slide door provided in the housing, a stopper provided in the housing, and a slide door provided in the slide door, A metal fitting that comes into contact with the stopper is provided, and the stopper contacts the metal fitting between a first position where the slide door can be opened and closed and a second position where the slide door is fixed in an open state. A housing is provided, which is rotated and rotated, and is attracted and fixed to a magnet at the first position or the second position.

The stopper has a first surface that is attracted and fixed to the magnet at the first position, a second surface that is attracted and fixed to the magnet at the second position, and the first surface. A fulcrum provided between the surface and the second surface, the fulcrum being rotated about the fulcrum by contact with the metal fitting, and fixed at the first position or the second position. Good.

Further, the slide door may include a roller that rotates in contact with a rail provided in the housing, and the housing may include an auxiliary stopper that contacts the roller when the slide door is opened. ..

Further, the slide door has a large roller and a small roller that rotate in contact with the rail, and the auxiliary stopper does not come into contact with the small roller when the slide door is opened and closed. It may be provided at a position in contact with at least one of the large rollers when opened.

As described above, according to the present invention, it is possible to reliably maintain the open state of the slide door with a simpler structure.

It is a figure for explaining an example of arrangement of a fire hydrant concerning one embodiment of the present invention. It is a figure for demonstrating the external structure of the fire hydrant and slide mechanism which concern on the same embodiment. It is a figure which shows the internal structure of the fire hydrant which concerns on the same embodiment. It is a figure which shows the slide door which concerns on the same embodiment, and the fire hydrant 10 in the state where the slide door was fully opened. It is a figure for demonstrating the function of the auxiliary stopper which concerns on the same embodiment. It is a figure for demonstrating the function of the stopper which concerns on the same embodiment.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In this specification and the drawings, constituent elements having substantially the same functional configuration are designated by the same reference numerals, and duplicate description is omitted.

<1. Embodiment>
<<1.1. Outline of fire hydrant 10 >>
As described above, the technical idea of the present invention makes it possible to reliably maintain the open state of the slide door with a simpler structure in various housings having the slide door. The housing according to the present embodiment may be, for example, a fire hydrant having one or more sliding doors.

In the following, a case where the housing according to the present embodiment is a road fire hydrant installed in a tunnel will be described as an example. FIG. 1 is a diagram for explaining an arrangement example of the fire hydrant 10 according to the present embodiment.

FIG. 1 shows a fire hydrant 10 and a protective fence 70 installed in a tunnel. As shown in FIG. 1, the fire hydrant 10 may be arranged beside the surveillance staff passage pw provided on the shoulder of the road rw so as to be embedded in the tunnel inner wall iw. Here, the observer passage pw is a passage that is generally provided at a height of about 900 to 1000 mm from the road rw, and is used as a maintenance work by the observer or as an evacuation route in the event of a disaster.

Further, the fire hydrant 10 according to the present embodiment is not limited to the arrangement shown in FIG. 1, and may be arranged at the boundary between the road rw and the surveillance staff passage pw like the protective fence 70.

Here, when the fire hydrant 10 is provided with a hinged door, the hinged door opened at the time of fire fighting projects to the maintenance staff passage pw side or the road rw side, which hinders fire fighting or evacuation activities in the surveillance staff passage pw or the road rw. It can happen. Further, even during maintenance work, the hinged doors project to the observer passage pw side or the road rw side, which obstructs the flow lines of the maintenance personnel and vehicles traveling on the road rw, resulting in a reduction in work efficiency and safety. Is also a concern.

In order to eliminate the above concerns, the fire hydrant 10 according to the present embodiment may have a sliding door instead of the hinged door. According to the above configuration, it is possible to prevent the door from protruding toward the surveillance staff passage pw side or the road rw side during fire extinguishing activities or maintenance work, and it is possible to further improve safety and convenience.

However, here, if the fixing mechanism that fixes the slide door in the open state is not provided, the slide door that opens vigorously collides with the housing frame and bounces back in the closing direction due to the reaction, so that the slide door is in the open state. May not be maintained. Also, in the case where the housing is installed along a road slope, if the road slopes upwardly along the door opening direction, a situation may occur in which the sliding door naturally slides in the closing direction after fully opening. obtain. Such a situation may hinder smooth digestion activities and maintenance work.

The technical idea of the present invention was conceived in view of the above points, and makes it possible to reliably maintain the open state of the slide door with a simpler structure. According to this, it becomes possible to further improve safety and convenience without interfering with fire extinguishing activities and maintenance work.

<<1.2. Structure of fire hydrant 10 >>
Hereinafter, the configuration of the fire hydrant 10 according to the present embodiment that achieves the above effects will be described in detail with reference to FIGS. 2 and 3. FIG. 2 is a diagram for explaining the external structure and slide mechanism of the fire hydrant 10 according to the present embodiment. Further, FIG. 3 is a diagram showing an internal structure of the fire hydrant 10 according to the present embodiment.

FIG. 2 shows an external structure of the fire hydrant 10 when viewed from the front. As shown in FIG. 2, the fire hydrant 10 according to the present embodiment has two slide doors, a first slide door 100 and a second slide door 200. The first slide door 100 and the second slide door 200 are examples of the slide door according to this embodiment. The first slide door 100 and the second slide door 200 according to the present embodiment are formed of one steel (SUS304, t; 1.5 mm, etc.) without using an auxiliary material as much as possible, and a plate for preventing distortion. May be folded back to reduce weight.

The first sliding door 100 according to the present embodiment is configured to realize opening and closing of the fire hydrant portion 740 arranged inside the housing 15. As shown in FIG. 3, the fire hydrant part 740 according to the present embodiment is arranged at a position opened by opening the first slide door 100.

The fire hydrant portion 740 according to the present embodiment includes, for example, as shown in FIG. 3, a piping portion 710 including a water tap, a fire hydrant valve 770, a wound hose 720, a nozzle 730, a fire hydrant lever guard 750, and a fire hydrant lever. 760, a nozzle fixing bar 780, a hose cage 800, etc. are arranged.

In addition, the second slide door 200 according to the present embodiment is configured to realize the opening and closing of the fire extinguisher housing portion 910 arranged inside the housing 15. As shown in FIG. 3, the fire extinguisher container 910 according to the present embodiment is arranged at a position opened by opening the second slide door 200.

In the fire extinguisher housing portion 910 according to the present embodiment, two fire extinguishers 90 are housed side by side in the width direction of the housing 15, as shown in FIG.

Further, the fire hydrant 10 according to the present embodiment has the notification unit 500 between the fire hydrant unit 740 and the fire extinguisher housing unit 910 described above. In the notification unit 500 according to the present embodiment, as shown in FIG. 2, for example, a red indicator light 550, an emergency notification button 560, a response lamp 570, and other electrical system configurations are arranged.

The outline of the configuration of the fire hydrant 10 according to the present embodiment has been described above. Next, the slide mechanism according to this embodiment will be described in detail.

As shown in FIG. 2, the first slide door 100 according to the present embodiment has extension portions 105 protruding toward the notification unit 500 at the upper end and the lower end, respectively. A plurality of first rollers 120 are arranged at the upper end and the lower end of the first slide door 100 including the extension portion 105.

The plurality of first rollers 120 according to this embodiment may include two types of rollers having different roller diameters. For example, as shown in the upper part of FIG. 2, two first large rollers 120a are provided on the notification unit 500 side at each of the upper end and the lower end of the first slide door 100, and three first small rollers are provided. 120b is provided on the side surface side of the housing 15.

The first slide door 100 according to the present embodiment is a plurality of first rollers 120 provided at the upper end and the lower end on the side where the fire hydrant part 740 is disposed, and is provided at the upper part and the lower part of the housing 15, respectively. The first rail 130 is attached to the housing 15 by sandwiching it from above and below. According to the above configuration, the first slide door 100 can be firmly attached to the housing 15, and, for example, even if the hose 720 or the like hits the first slide door 100, the first slide door 100 does not rattle and is robust. You can keep the state.

In addition, the plurality of first rollers 120 rotate on the first rail 130 according to the operation of the first handle 110 provided on the front surface of the first slide door 100, and thus the first slides. Realize opening and closing of the door 100. Note that, as shown in FIG. 2, the first handle 110 according to the present embodiment, when the first sliding door 100 is opened on the notification unit 500 side, collides with the piping unit 710 arranged in the fire hydrant unit 740. It may be placed at a height that does not exist.

In addition, the inside of the first slide door 100 according to the present embodiment on the notification unit 500 side is engaged with the first stopper 150 provided on the side surface side of the housing 15 when the first slide door 100 is opened. A first stopper fitting 140 is provided. Further, the first rails 130 at the upper and lower ends of the housing 15 are provided with first auxiliary stoppers 160 that come into contact with one of the first large rollers 120a when the first slide door 100 is opened. Each is provided. With such a configuration, it is possible to maintain the open state of the first slide door 100 safely and firmly. The details of the functions of the first stopper fitting 140, the first stopper 150, and the first auxiliary stopper 160 according to this embodiment will be described later.

In addition, the second slide door 200 according to the present embodiment also has the extension portions 205 protruding in the direction of the notification portion 500 at the upper end and the lower end, respectively, similarly to the first slide door 100. A plurality of second rollers 220 are arranged at the upper end and the lower end of the second slide door 200 including the extension 205.

Similarly, the plurality of second rollers 220 according to this embodiment may include two types of rollers having different roller diameters. For example, as shown in the upper part of FIG. 2, two second large rollers 220a are provided on the notification unit 500 side at each of the upper end and the lower end of the second slide door 200, and one second small roller is provided. 220b is provided on the side surface side of the housing 15.

The second slide door 200 is also provided at the upper and lower ends with a plurality of second rollers 220 provided on the side on which the fire extinguisher housing portion 910 is arranged, respectively. By sandwiching the second rail 230 from above and below, it is attached to the housing 15.

The plurality of second rollers 220 rotate on the second rail 230 according to the operation of the second handle 210 provided on the front surface of the second slide door 200, so that the second slide door 200 is rotated. To open and close the door. As shown in FIG. 2, the second handle 210 according to the present embodiment has a fire extinguisher 90 that is stored in the fire extinguisher storage portion 910 when the second slide door 200 is opened on the notification portion 500 side. It may be placed at such a height that it does not hit against.

Further, the inside of the second slide door 200 according to the present embodiment on the side of the notification unit 500 is engaged with the second stopper 250 provided on the side surface side of the housing 15 when the second slide door 200 is opened. A second stopper fitting 240 is provided. Further, the second rails 230 at the upper and lower ends of the housing 15 are provided with second auxiliary stoppers 260 that come into contact with one of the second large rollers 220a when the second slide door 200 is opened. Each is provided. With such a configuration, it is possible to maintain the opened state of the second slide door 200 safely and firmly. The details of the functions of the second stopper fitting 240, the second stopper 250, and the second auxiliary stopper 260 according to this embodiment will be described later.

<<1.3. Operation >>
Next, the flow of the sliding operation of the first slide door 100 and the second slide door 200 according to this embodiment will be described in detail.

The operator grips the first handle 110 or the second handle from the state shown in FIG. 2 and moves the first slide door 100 or the second slide door 200 toward the outside of the housing 15. Then, each slide door can be opened. The first slide door 100 and the second slide door 200, the first roller 120, and the second roller 220 gradually protrude from the outer side to the outer side of the housing 15 in accordance with the door opening operation by the operator.

FIG. 4 is a diagram showing the fire hydrant 10 in a state where the first slide door 100 and the second slide door 200 according to the present embodiment are fully opened. As shown in FIG. 4, in the first slide door 100 and the second slide door 200 according to the present embodiment, the extension portions 105 and 205 are left within the lateral width of the housing 15 when fully opened (open). In this state, the fire hydrant part 740 and the fire extinguisher housing part 910 can be fully opened.

At this time, the first slide door 100 has a casing by at least two first large rollers 120 a arranged in the upper and lower extension portions 105 sandwiching a first rail 130 arranged in the casing 15. It is supported by the body 15.

Further, the first slide door 100 is decelerated when the door is opened by the contact of the first auxiliary stopper 160 provided on the first rail 130 with one of the first large rollers 120a. While stopping in the open position. Further, in the first slide door 100 according to the present embodiment, the first stopper fitting 140 provided inside is engaged with the first stopper 150 provided on the side surface side of the housing 15 in the open position. , Fixed in the open state.

Similarly, in the second slide door 200, at least two second large rollers 220 a arranged in the upper and lower extension portions 205 respectively sandwich the second rail 230 arranged in the housing 15. , Supported by the housing 15.

Further, the second slide door 200 is decelerated when the door is opened by the second auxiliary stopper 260 provided on the second rail 230 coming into contact with one of the second large rollers 220a. While stopping in the open position. Further, in the second slide door 200 according to the present embodiment, the second stopper fitting 240 provided inside is engaged with the second stopper 250 provided on the side surface side of the housing 15 in the open position. , Fixed in the open state.

FIG. 5 is a diagram for explaining the function of the auxiliary stopper according to the present embodiment. An enlarged view of the region e in FIG. 4 is shown in the upper part of FIG. 5, and an enlarged view of the region f in FIG. 4 is shown in the lower part of FIG.

As shown in FIG. 5, the first auxiliary stopper 160 according to the present embodiment is provided at a position in contact with the first roller 120 included in the first slide door 100 when the first slide door 100 is opened. ..

More specifically, the first auxiliary stopper 160 according to the present embodiment does not contact the first small roller 120b when the first slide door 100 is opened, and the first large roller when opened. It may be provided at a position in contact with at least one of 120a.

According to the above arrangement, a smooth opening operation of the first slide door 100 is realized, and the first auxiliary stopper 160 comes into contact with the first large roller 120a from before the open position, so that The opening speed of the slide door 100 can be reduced and stopped at the open position. According to this, it is possible to effectively reduce the possibility that the first slide door 100 collides with the housing frame and rebounds in the closing direction.

The second auxiliary stopper 260 according to the present embodiment is also arranged at the same position as the first auxiliary stopper 160 and comes into contact with the second large roller 220a, so that the opening speed of the second slide door 200 can be increased. Has the function of stopping at the open position while decelerating.

Next, the operation of the stopper fitting and the stopper according to this embodiment will be described in detail. The first stopper 150 according to the present embodiment is provided between the first position where the first slide door 100 can be opened and closed and the second position where the first slide door 100 is fixed in the open state. One of the features is that the first magnet 170 is attracted and fixed to the first magnet 170 at the first position or the second position by rotating in contact with the first stopper fitting 140.

FIG. 6 is a diagram for explaining the function of the stopper according to the present embodiment. FIG. 6 shows an enlarged view of the region g in FIG.

The state of the first stopper 150 when the first slide door 100 is in the non-open state (that is, the state in which the first slide door 100 can be opened and closed) is shown at the top of FIG. At this time, as shown in the drawing, the first stopper fitting 140 and the first stopper 150 are not in contact with each other. In this state, the first stopper 150 according to the present embodiment is fixed at the first position to the first magnet 170 provided near the side surface of the housing 15.

Here, the first stopper 150 according to the present embodiment has a first surface 152 that is attracted and fixed to the first magnet 170 at the first position and an attraction to the first magnet 170 at the second position. And has a fixed second surface 154 and a fulcrum F provided between the first surface 152 and the second surface 154.

In addition, the first stopper 150 according to the present embodiment is formed such that the weight on the first surface 152 side is light and the weight on the second surface 154 side is heavy with the fulcrum F as a boundary. According to the above-mentioned structure, when the external force by the first stopper fitting 140 is not applied, the attraction force of the first magnet 170 to the side of the first surface 152, which has a light weight, is changed to the second surface 154, which has a heavy weight. Since the attraction force against the side is exceeded, the first stopper 150 is fixed so that the first surface 152 always contacts the first magnet 170.

On the other hand, when the opening operation of the first slide door 100 progresses from the unopened state of the first slide door 100, the first stopper fitting 140 provided on the first slide door 100 causes the first stopper metal fitting 140 provided on the left side in the figure. As shown in the step, it contacts the recess provided in the first stopper 150.

As shown in the third stage on the left side of the figure, when the door opening operation further proceeds, an external force stronger than the suction force with respect to the first surface 152 is applied to the first stopper 150. At this time, the first stopper 150 according to the present embodiment is disengaged from the first magnet 170 and is rotated about the fulcrum F by the external force of the first stopper fitting 140, as shown in the lowermost stage on the left side of the drawing. Thus, the second surface 154 is fixed at the second position where it contacts the first magnet 170.

As described above, the first stopper 150 according to the present embodiment is brought into contact with the first stopper fitting 140 along with the opening operation of the first slide door 100, so that the first slide door 100 is opened. Transition to the second position to fix.

Further, at this time, as described above, the first auxiliary stopper 160 according to the present embodiment comes into contact with the first large roller 120a to assist in fixing the first slide door 100 in the open state. ..

On the other hand, when the closing operation is performed from the open state of the first slide door 100, the first stopper fitting 140 comes into contact with the first stopper 150 as shown in the right side of the drawing, so that the first surface is closed. 152 is pushed up.

As a result of the above operation, the attraction force of the first magnet 170 acts on the first surface 152 more than on the second surface 154, so that the first stopper 150 rotates about the fulcrum F. , The first surface 152 returns to the first position where it contacts the first magnet 170.

The function of the stopper according to the present embodiment has been described above in detail. Note that, in FIG. 6, the operation of the first stopper fitting 140 and the first stopper 150 is shown as an example, but the second stopper fitting 240 and the second stopper 250 according to the present embodiment respectively have the first stopper fitting 140 and the first stopper 150. Operations similar to those of the stopper fitting 140 and the first stopper 150 may be performed.

<<1.4. Effect >>
The configuration of the fire hydrant 10 according to the present embodiment has been described above. According to the fire hydrant 10 having the above configuration, when the stopper fitting collides with the stopper during the opening operation of the slide door, the attraction force of the magnet to the first surface side of the stopper can buffer the shock.

Further, even when the stopper fitting is moved in the closing direction due to the reaction of the collision when the door opening operation is further performed from the above-mentioned state, the slide door is attracted by the magnet to the second surface side of the stopper. Can be maintained in an open (fully opened) state. It should be noted that the attraction of the magnet to the second surface side can be set arbitrarily, for example, deviating in the range of 49 to 98N.

Further, according to the auxiliary stopper according to the present embodiment, it is possible to buffer the shock at the time of opening by contacting the large roller while realizing the smooth opening of the sliding door by not contacting the small roller. Is. The auxiliary stopper can adjust the shock absorbing force by changing the contact surface angle and the contact length with the large roller.

In addition, the stopper according to the present embodiment is always fixed to an unintended position due to vibration or decrease in magnetic force because the first surface side is always attracted to the magnet by adjusting the weight unless external force is applied. It can be avoided.

According to the housing having the above-described configuration, when the sliding door is opened, the sliding door can be reliably fixed regardless of the recoil of the door opening operation and the road gradient, which further improves safety and convenience. It is possible to improve.

<2. Summary>
As described above, the housing according to the embodiment of the present invention includes a housing, a slide door and a stopper provided on the housing, a metal fitting provided on the slide door and in contact with the stopper, Have. Further, the stopper is rotated by contacting the metal fitting between a first position where the slide door can be opened and closed and a second position where the slide door is fixed in an open state, and is rotated by the first position. One of the features is that the magnet is attracted and fixed at the position or the second position. With such a configuration, it is possible to reliably maintain the open state of the slide door with a simpler structure.

The preferred embodiments of the present invention have been described above in detail with reference to the accompanying drawings, but the present invention is not limited to these examples. It is obvious that a person having ordinary knowledge in the technical field to which the present invention pertains can come up with various changes or modifications within the scope of the technical idea described in the claims. Of course, it is understood that these also belong to the technical scope of the present invention.

Further, the effects described in the present specification are merely illustrative or exemplary, and are not limitative. That is, the technique according to the present disclosure may have other effects that are apparent to those skilled in the art from the description of the present specification, in addition to or instead of the above effects.

15 Housing 100 1st sliding door 120a 1st large roller 120b 1st small roller 130 1st rail 140 1st stopper metal fittings 150 1st stopper 152 1st surface 154 2nd surface 160 1st Auxiliary stopper

Claims (4)

A housing,
A slide door provided on the housing,
A stopper provided on the housing,
A metal fitting provided on the slide door and contacting the stopper,
The stopper is
Rotating in contact with the metal fitting between a first position at which the slide door can be opened and closed and a second position at which the slide door is fixed in an open state;
Being attracted and fixed to the magnet at the first position or the second position;
A case characterized by. The stopper is
A first surface attracted and fixed to the magnet at the first position, a second surface attracted and fixed to the magnet at the second position, the first surface and the second surface. A fulcrum provided between the surface and
It rotates around the fulcrum by contact with the metal fitting and is fixed at the first position or the second position,
The housing according to claim 1. The slide door has a roller that rotates in contact with a rail provided in the housing,
The housing has an auxiliary stopper that comes into contact with the roller when the slide door is opened,
The housing according to claim 1 or 2. The sliding door has a large roller and a small roller that rotate in contact with the rail,
The auxiliary stopper is provided at a position where the auxiliary stopper does not come into contact with the small roller when the sliding door is opened and closed but does come into contact with at least one of the large rollers when the sliding door is opened.
The housing according to claim 3.

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