JP6949506B2 - Fire hydrant device - Google Patents

Description

The present invention relates to a fire hydrant device having a main body portion for accommodating a fire extinguishing hose having a nozzle at the tip and capable of pulling out the fire extinguishing hose from the main body portion in the event of a fire.

Fire hydrant devices are installed as emergency equipment in tunnels such as highways and motorways. Fire hydrant devices are arranged on the wall surface of a tunnel or the like at predetermined intervals, for example, at intervals of 50 meters. The fire hydrant device contains a fire extinguishing hose having a nozzle at the tip and valves including a fire hydrant valve, and has a door facing the road side. By opening the door of the fire hydrant device, the fire extinguishing hose can be pulled out and the valves can be operated.

The tunnel is provided with a guard passage having a predetermined height along the length direction on the side of the road. The fire hydrant device is embedded and installed in a wall surface that can be operated from the guard passage. The guard passage is provided to safely inspect various equipment in the tunnel without obstructing the passage of vehicles in the tunnel.

However, if the fire hydrant device is installed on the wall surface facing the guard passage, it may be difficult to reach because the fire hydrant device is placed higher than the road surface, or the user may climb the guard passage from the road to work. Need to be done. In particular, when a handrail is provided in the guard passage, it is difficult to pull out the fire extinguishing hose to the road side, which may interfere with the fire extinguishing work. Therefore, it is conceivable to embed a fire hydrant device in the guard passage and arrange the door of the fire hydrant device so as to face the road side. Examples of such a fire hydrant device include those listed in Patent Document 1.

Japanese Unexamined Patent Publication No. 2001-9053

If a fire hydrant device is embedded in the observer passage and the door of the fire hydrant device is provided so as to face the road side, access to the fire hydrant device is improved from the road side, but conversely, the fire hydrant device is accessed from the observer passage. It becomes difficult to access. Further, in the event of a fire, if the automobile is stopped in front of the fire hydrant device, it is difficult to pull out the fire extinguishing hose from the fire hydrant device. In this way, depending on the situation, it may be difficult to pull out the fire hose.

The present invention has been made in view of the above problems, and an object of the present invention is to provide a fire hydrant device capable of smoothly pulling out a fire extinguishing hose from the road side and the observer passage side under any circumstances. ..

In order to solve the above-mentioned problems, the fire hydrant device according to the invention of claim 1 has a main body under the passage surface of the observer passage provided one step higher than the road surface of the road along the wall surface of the tunnel having the road. Is buried, the upper surface of the main body is substantially flush with the passage surface, and the front surface of the main body is substantially flush with the wall surface of the observer passage facing the road side under the passage surface. It is a fire hydrant device
It said body portion has, on its inside, has a hose holder for holding the extinguishing hose, and a drive unit for the hose holder pushes up the hose holder so as to protrude above said path surface,
The hose holder has openings on the front surface and the back surface for pulling out the fire extinguishing hose when pushed upward from the passage surface.
The drive unit is characterized by having a wire connected to the hose holder and an elastic drive member for urging the wire to pull it.

According to the invention of claim 1, since the hose holder is pulled up above the main body, the fire extinguishing hose can be pulled out. Therefore, the fire extinguishing hose is pulled out from both the road side and the observer passage side. Can be done. Further, since the hose holder can be pulled up by the elastic force, it is not necessary to supply power and oil, the equipment can be simplified, and the hose can be operated reliably even in an emergency.

Further, the fire hydrant device according to the second aspect of the present invention is characterized in that the main body portion has a pulley member for guiding the wire downward, and the wire is fixed to the lower end portion of the hose holder. Has been done.

According to the second aspect of the present invention, the direction of the wire can be changed in the main body via the pulley member, the elastic drive member can be fitted in the main body, and the size of the fire hydrant device can be suppressed.

Further, in the fire extinguishing plug device according to the invention of claim 3, the hose holder has a lock engaging portion that engages with the main body portion and a lock releasing portion that releases the engaged state of the lock engaging portion. The hose holder is characterized in that the lock engaging portion counteracts the urging by the elastic driving member.

According to the invention of claim 3 , the engaged state of the lock engaging portion is released by the operation of the unlocking portion, and the hose holder is pulled up by the elastic drive member. Therefore, the procedure for pulling up the hose holder is simplified. can do.

Furthermore, in the fire hydrant device according to the invention of claim 4, the main body portion has a latch locking portion in which the lock engaging portion is pressed and locked in the ascending direction.
The lock engaging portion is provided on the hose holder so as to slide and move in the horizontal direction from the latch locking portion by operating the unlocking portion.
The latch engaging portion is configured as wherein a rotatable bearing member with the sliding movement of the locking engagement portion.

According to the invention of claim 4 , when releasing the locked state of the hose holder from the latch locking portion for holding the hose holding body in the retracted state with respect to the main body portion, a latching agent for the operation of the unlocking portion. The resistance of the stop portion can be reduced, and the lock release portion can be operated smoothly.

Furthermore, in the fire hydrant device according to the invention of claim 5, the main body portion has a guide surface portion facing the hose holder and along the height direction, and the hose holder is in contact with the guide surface portion. It is characterized by having a rolling body.

According to the invention of claim 5 , the hose holder is surely guided upward by the guide surface portion and can be smoothly pulled out.

In the fire hydrant device according to the invention of claim 6, the guide surface portions are provided at least at four locations on the main body portion, and the rotating bodies of the hose holders are provided from at least four different directions with respect to the guide surface portions. It is configured to be in contact with each other.

According to the invention of claim 6 , even if the fire hydrant device is installed in an inclined shape, at least one rotating body surely contacts the guide surface portion, so that the hose holder is surely guided by the guide surface portion. Can be done.

Further, the fire hydrant device according to the invention of claim 7 has a latch member that holds the hose holder so as not to drop with respect to the main body when the hose holder is pulled up to the upper end position by the drive unit. It is configured as a feature.

According to the invention of claim 7 , even if the fire extinguishing hose is filled with water and the weight is increased, the hose holder can be maintained in an elevated state.

Further, the fire hydrant device according to the invention of claim 8 is characterized in that a cushioning member corresponding to an upper end position and a lower end position of the hose holder is provided between the main body and the hose holder. Has been done.

According to the invention of claim 8 , it is possible to alleviate the impact when the hose holder is pulled up and when the hose holder is lowered and stored in the main body.

Furthermore, in the fire hydrant device according to the invention of claim 9, the main body portion has a rotating member that holds the hose holder so as not to descend after being pulled up to the upper end position, and the hose holder rotates. It has a pressing member that works with the member,
The rotating member can be rotated by being pushed up from below by the pressing member, and the main body prevents the rotating member from rotating when the pressing member comes into contact with the rotating member from above. It is characterized in that it has a stopper portion.

According to the invention of claim 9 , when the hose holder is raised, even if an impact force from the outside is applied, the hose holder can be prevented from descending and the fire extinguishing activity can be surely continued. can.

Then, in the fire hydrant device according to the invention of claim 10, the main body portion is embedded in an observer passage formed so as to have a predetermined height on the side portion of the road of the tunnel, and the upper surface of the main body portion is the said. It is characterized by being substantially flush with the upper surface of the observer passage.

According to the invention of claim 10 , the fire hydrant device can surely pull out the fire extinguishing hose to the road side and the observer passage side in the event of a fire without obstructing the passage in the observer passage.

According to the fire hydrant device according to the present invention, the fire extinguishing hose can be pulled out from both the road side and the observer passage side to perform fire extinguishing activities, and the fire extinguishing hose is pulled out from the upper part of the main body, so that the fire hydrant device Even if there is an obstacle in front of the fire extinguishing hose, you can safely and surely pull out the fire extinguishing hose to extinguish the fire.

It is a perspective view of the fire hydrant device of this embodiment. It is a perspective view of the fire hydrant device in the state where the hose holder is pulled up to the upper end position. It is a front view of the fire hydrant device in the state where the hose holder is pulled up to the upper end position. It is a rear view of the fire hydrant device in the state where the hose holder is pulled up to the upper end position. It is explanatory drawing of the state in which the fire hydrant device of this embodiment is installed in a tunnel. It is a vertical cross-sectional view of the fire hydrant device cut near the front surface. It is a cross-sectional view of the fire hydrant device cut near the upper surface. It is a vertical cross-sectional view of a fire hydrant device cut near the front surface in a state where the hose holder is pulled up. It is a perspective view of the state in which the latch member of the hose holder and the latch accommodating part of the main body are close to each other in the main body. It is a cross-sectional view of the fire hydrant device cut near the lower surface. It is a perspective view which showed the relationship between the guide surface part and a rotating body. FIG. 10 is an enlarged view of the vicinity of the rotating body in FIG. It is a perspective view which showed the relationship between a rotating member and a pressing member in a state where a hose holding body is rising. It is a perspective view which showed the relationship between a rotating member and a pressing member in a state where a hose holding body is raised from FIG. It is a perspective view which showed the relationship between a rotating member and a pressing member in a state where a hose holding body is raised from FIG. It is a perspective view which showed the relationship between the rotating member and a pressing member in a state where a hose holding body is lowered after being raised. It is a perspective view which showed the relationship between a rotating member and a pressing member when a support jig is attached to a stopper part. It is a top view of the handle member. FIG. 18 is a cross-sectional view taken along the line AA of FIG. It is sectional drawing of the handle member in the state which operated the unlocked part. It is a rear view of the handle member. It is an enlarged view of the main body part provided with the ascending latch handle.

Embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 shows a perspective view of the fire hydrant device 1 of the present embodiment, and FIG. 2 shows a perspective view of the fire hydrant device 1 in a state where the hose holder 11 is pulled up to the upper end position. As shown in FIG. 1, the fire hydrant device 1 of the present embodiment has a box-shaped main body 10, and inside the box-shaped main body 10, a fire extinguishing hose 12 having a nozzle 13 at the tip, valves including a fire hydrant valve, and the like are contained. It is stored. A door portion 30 that can be opened at the time of maintenance or the like is provided on the front surface of the main body portion 10.

In the event of a fire, as shown in FIG. 2, by pulling up the hose holder 11 housed in the main body 10, the fire extinguishing hose 12 held by the hose holder 11 can be pulled out to extinguish the fire. .. The fire extinguishing hose 12 has a nozzle 13 at its tip.

The hose holder 11 includes a box-shaped hose storage portion 20 capable of storing the wound fire extinguishing hose 12, an upper surface portion 21 constituting the upper surface of the fire hydrant device 1, and a portion stored in the main body portion 10. It has support columns 22 provided at the four corners. FIG. 3 is a front view of the fire hydrant device 1 in a state where the hose holder 11 is pulled up to the upper end position, and FIG. 4 is a rear view of the fire hydrant device 1 in a state where the hose holder 11 is pulled up to the upper end position. Each is shown. The hose storage portion 20 has a front opening 20a for pulling out the fire extinguishing hose 12 on the side portion on the front side. Further, the hose storage portion 20 also has a back opening 20b for pulling out the fire extinguishing hose 12 on the side portion on the back side. The back opening 20b is formed at a position lower than the front opening 20a.

FIG. 5 shows an explanatory diagram of a state in which the fire hydrant device 1 of the present embodiment is installed in a tunnel. The tunnel has a guard passage 61 on the side of the road 60. The guard passage 61 is formed so as to have a height of about 1 m along the length direction of the road 60. The fire hydrant device 1 is installed so as to be embedded in the guard passage 61. In the fire hydrant device 1 installed in the observer passage 61, the upper surface portion 21 is substantially flush with the upper surface of the observer passage 61. Therefore, in the normal state, the fire hydrant device 1 can prevent the passage in the observer passage 61 from being hindered.

In the event of a fire, as shown in FIG. 2, the hose holder 11 projects upward so that the front opening 20a and the back opening 20b of the hose storage portion 20 are projected from the upper surface of the observer passage 61. Is also exposed upwards. In this state, the fire extinguishing hose 12 can be pulled out from the road 60 through the front opening 20a. Further, the fire extinguishing hose 12 can be pulled out from the observer passage 61 through the back opening 20b. As described above, the fire hydrant device 1 of the present embodiment has a structure in which the hose holder 11 is pulled upward from the main body 10, whereby the front opening 20a of the hose storage portion 20 for accommodating the fire extinguishing hose 12 And the back opening 20b are exposed. Therefore, when the fire hydrant device 1 is installed so as to be embedded in the observer passage 61, the fire extinguishing hose 12 can be pulled out from both the road 60 side and the observer passage 61 side. In particular, even if the automobile is stopped in front of the fire hydrant device 1, the hose holder 11 is pulled up with respect to the main body 10, so that the fire extinguishing hose 12 can be reliably pulled out.

Next, the pulling structure of the hose holder 11 will be described in detail. FIG. 6 shows a vertical cross-sectional view of the fire hydrant device 1 cut near the front surface. As shown in this figure, a hose holder 11 containing a fire extinguishing hose 12 is housed in the main body 10, and the main body 10 has a drive unit 31 for raising and lowering the hose holder 11. ing.

The drive unit 31 includes an elastic drive member 32 fixed to the main body 10, a wire 33 connecting the elastic drive member 32 and the hose holder 11, and two pulley members 34 and 35 on which the wire 33 is hooked. Has been done. The elastic drive member 32 is a spring member that urges the wire 33 in a pulling direction in a state where the hose holder 11 is housed in the main body 10, and a Conston spring is used. The Conston spring generates a constant urging force within a predetermined stroke range. The elastic drive member 32 is not limited to the Conston spring, and other types of elastic members may be used.

The wire 33 extending upward from the elastic drive member 32 is turned horizontally by the pulley member 34, and is further turned downward by the pulley member 35. The wire 33 is connected and fixed to a wire fixing portion 25 formed in the lower portion of the hose holder 11 at the lower end portion. Since the elastic drive member 32 is urged in the direction of pulling the wire 33, the hose holder 11 to which the wire 33 is fixed at the lower portion is urged in the direction of being pulled upward.

A cushioning member 27 is provided on the inner lower surface of the main body 10 so as to abut the lower end of the hose holder 11. The cushioning member 27 is made of a member such as elastic rubber, and when the hose holding body 11 that has been pulled upward is housed in the main body 10, it abuts on the lower end of the hose holding body 11 to cause an impact. Can be alleviated. Further, on the inner upper surface of the main body 10, a cushioning member 28 that can come into contact with the lower end of the hose holder 11 when the hose holder 11 is pulled up is provided. When the hose holder 11 is pulled up to the upper end position, the cushioning member 28 on the upper part of the main body 10 comes into contact with the lower end of the hose holder 11 to alleviate the impact. The cushioning member is not limited to this configuration, and for example, a damper or a shock absorber may be provided between the main body 10 and the hose holder 11.

As shown in FIG. 1, an unlocking portion 24 is provided on the upper surface portion 21 of the hose holder 11. The unlocking portion 24 is linked to the locking engaging portion 23 that is engaged with the main body portion 10. Since the lock engaging portion 23 is engaged with the main body portion 10, it opposes the urging force of the elastic drive member 32 and maintains the state of being housed in the main body portion 10. When the unlocking portion 24 is operated to be pushed up, the lock engaging portion 23 linked with the unlocking portion 24 is released from the engaged state with the main body portion 10. When the engagement state of the lock engaging portion 23 with respect to the main body portion 10 is released, the hose holding body 11 is pulled upward by the wire 33 by the urging force of the elastic driving member 32. The urging force of the elastic drive member 32 is set to be larger than the weight of the hose holder 11 containing the fire extinguishing hose 12. Therefore, the hose holder 11 in which the lock engaging portion 23 is disengaged is automatically pulled upward only by the urging force of the elastic drive member 32.

Although the upper surface portion 21 of the hose accommodating portion 20 is a smooth surface in the drawing, a striped steel plate may be used to make the surface uneven. Since the upper surface portion 21 is flush with the observer passage 61, the unevenness of the upper surface portion 21 can prevent workers and the like walking in the observer passage 61 from slipping.

The unlocking portion 24 is arranged at the central portion in the left-right direction of the upper surface portion 21. Therefore, when the lock release unit 24 is operated to release the stored state of the hose holder 11, the hose holder 11 can be pulled up in a well-balanced manner.

On the upper surface portion 21, the first name plate portion 21a and the second name plate portion 21b are arranged on both sides of the unlocking portion 24. Both the first name plate portion 21a and the second name plate portion 21b are displayed with figures and characters explaining how to pull up the hose holder 11. The first name plate portion 21a faces the front side of the main body portion 10, and the second name plate portion 21b faces the back side of the main body portion 10. As a result, the name plate portion can be confirmed from both the road 60 side and the guard passage 61 side.

The first name plate portion 21a and the second name plate portion 21b are fixed to the surface of the upper surface portion 21 by adhesion or the like. When the upper surface portion 21 is the above-mentioned striped steel plate, the uneven surface of the striped steel plate is processed into a smooth surface only in the region where the first name plate portion 21a and the second name plate portion 21b are provided, and the first name plate portion 21a and the second name plate portion 21a and the second name plate portion 21a are formed. The name plate portion 21b is adhesively fixed. Further, the uneven surface of the striped steel plate may be left as it is, and the surface of the first name plate portion 21a and the second name plate portion 21b may be adhesively fixed while having an uneven shape.

FIG. 7 shows a cross-sectional view of the fire hydrant device 1 cut near the upper surface. As shown in this figure, the elastic drive members 32 constituting the drive unit 31 are provided at four positions of the main body portion 10, and the wires 33 are connected to the four corners of the hose holder 11. Therefore, since the four corners of the hose holder 11 are pulled up by the wires 33, the hose holder 11 is pulled up stably.

FIG. 8 shows a vertical cross-sectional view of the fire hydrant device 1 cut near the front surface in a state where the hose holder 11 is pulled up. As shown in this figure, when the wire fixing portion 25 of the hose holder 11 is pulled up to the upper part of the main body 10, the hose holder 11 cannot be pulled up any more by the latch member 26 described later. At this time, almost the entire side portion of the hose holder 11 is exposed above the main body portion 10, and the front opening 20a and the back opening 20b are also exposed to the outside of the main body 10. In this state, the user can pull out the fire extinguishing hose 12 from the road side or the guard passage side and use it.

FIG. 9 shows a perspective view of the state in which the latch member 26 of the hose holder 11 and the latch accommodating portion 36 of the main body 10 are close to each other in the main body 10. The hose holder 11 has a latch member 26 at the lower portion. The latch member 26 has a base portion 26a protruding from the hose holder 11 toward the inner surface of the main body portion 10, and a magnet portion 26b provided upward at the tip end portion of the base portion 26a.

A box-shaped latch accommodating portion 36 capable of accommodating the magnet portion 26b of the latch member 26 is provided on the inner surface of the main body portion 10. The latch accommodating portion 36 is open downward. When the hose holder 11 is raised, the magnet portion 26b of the latch member 26 is accommodated in the latch accommodating portion 36, and the hose holder 11 is prevented from being raised any further. Further, the latch accommodating portion 36 has a flat portion inside in which the magnet portion 26b is magnetically magnetized, and holds the position of the raised hose holder 11 so as not to be lowered. The holding force of the magnet portion 26b, in total with the urging force of the elastic drive member 32, is at least greater than the weight of the hose holder 11 when the fire extinguishing hose 12 filled with water is housed in the hose storage portion 20. Is also set to be large.

In order to raise the hose holder 11 smoothly, a guide surface portion along the vertical direction is provided inside the main body portion 10, and a rotating body that rolls along the guide surface portion is provided on the hose holder 11. FIG. 10 shows a cross-sectional view of the fire hydrant device 1 cut near the lower surface. As shown in this figure, guide surface portions 45, 46, 47, 48 are arranged at four locations on the main body portion 10. The guide surface portions 45 and 46 face the left and right side surface directions of the main body portion 10. Further, the guide surface portions 47 and 48 face the front and back directions of the main body portion 10.

The hose holding body 11 is provided with four rotating bodies 40, 41, 42, 43 corresponding to the guide surface portions 45, 46, 47, 48. The rotating bodies 40, 41, 42, 43 are composed of cam followers. However, the rotating body is not limited to the cam follower, and can be replaced by an LM guide or a slide rail. FIG. 11 shows a perspective view showing the relationship between the guide surface portion 45 and the rotating body 40. The rotating body 40 is formed in a columnar shape and is rotatably supported by the hose holder 11. The peripheral surface of the rotating body 40 is in contact with the surface of the guide surface portion 45, and can roll on the guide surface portion 45 as the hose holder 11 moves up and down.

FIG. 12 shows an enlarged view of the vicinity of the rotating body in FIG. As shown in FIG. 12A, the rotating body 40 is in contact with the guide surface portion 45 from the right side to the left side in the drawing. As shown in FIG. 12B, another rotating body 41 is in contact with the guide surface portion 46 from the left side to the right side in the drawing. Further, as shown in FIG. 12C, another rotating body 42 is in contact with the guide surface portion 47 from the upper side to the lower side in the drawing. Further, another rotating body 43 is in contact with the guide surface portion 48 from the lower side to the upper side in the drawing. In this way, the rotating bodies 40, 41, 42, 43 are in contact with the guide surface portions 45, 46, 47, 48 in four different directions.

The road of the tunnel may have an upslope or a downslope along the length direction. The road of the tunnel may also have a slope in the width direction. Therefore, the fire hydrant device 1 provided in the guard passage may be installed at an inclination in either or both of the direction along the length of the road and the direction along the width of the road. Even in such a case, the rotating bodies 40, 41, 42, 43 are in contact with the guide surface portions 45, 46, 47, 48 in four different directions, so that the rotating bodies are among the rotating bodies. Since at least one of them comes into contact with the guide surface portion, it is possible to reliably guide the vertical movement of the hose holder 11 by rolling on the guide surface portion as the hose holder 11 moves up and down. Therefore, stable vertical movement of the hose holder 11 can be ensured.

Next, the structure for preventing the hose holder 11 from falling will be described. FIG. 13 shows a perspective view showing the relationship between the rotating member 50 and the pressing member 51 in the ascending state of the hose holding body 11. When the hose holding body 11 rises, the hose holding body 11 is fixed by the latch member 26 so as not to fall as described above, but when a strong impact force is applied to the hose holding body 11, the latch member 26 accommodates the latch. There is a possibility that it will come off from the part 36. Even in this case, a fall prevention structure for the hose holder 11 is provided so that the hose holder 11 can be maintained in an elevated state.

As a fall prevention structure for the hose holder 11, a rotating member 50, a stopper 52, and an abutting body 53 are provided on the inner surface of the main body 10. The rotating member 50 is an elongated plate-shaped member whose one end is rotatably supported with respect to the main body 10. The stopper portion 52 is fixed to the inner surface of the main body portion 10, has a support surface 52a on the upper surface, and has a recess 52b formed on the support surface 52a. The contact body 53 is fixed to the inner surface above the stopper portion 52 of the main body portion 10.

A pressing member 51 is fixed to the hose holder 11. The pressing member 51 has a fixed surface portion 51a fixed to the hose holding body 11 and a contact surface portion 51b that comes into contact with the lower surface of the rotating member 50 as the hose holding body 11 rises. FIG. 13 shows a state in which the hose holder 11 is raised and the contact surface portion 51b is in contact with the lower surface of the rotating member 50.

FIG. 14 shows a perspective view showing the relationship between the rotating member 50 and the pressing member 51 when the hose holding body 11 is raised from FIG. 13. As shown in this figure, as the hose holder 11 rises, the pressing member 51 fixed to the hose holder 11 also rises, and the rotating member 50 is pushed up while rotating. The rotating member 50 can rotate until it comes into contact with the abutting body 53.

FIG. 15 shows a perspective view showing the relationship between the rotating member 50 and the pressing member 51 in a state where the hose holding body 11 is raised from FIG. As shown in this figure, when the hose holder 11 is further raised, the rotating member 50 loses its support by the pressing member 51, rotates due to its own weight, and descends to the position of the support surface 52a of the stopper portion 52.

FIG. 16 shows a perspective view showing the relationship between the rotating member 50 and the pressing member 51 in a state where the hose holder 11 is lowered after being raised. As shown in this figure, when the hose holder 11 rises to the upper end position and then descends, the pressing member 51 also descends, and the lower surface thereof comes into contact with the rotating member 50 supported by the stopper portion 52. As a result, the pressing member 51 cannot be lowered any further. That is, the hose holder 11 to which the pressing member 51 is fixed is prevented from further falling. The rotating member 50 is arranged above the main body 10 in order to minimize the drop of the hose holder 11.

FIG. 17 shows a perspective view showing the relationship between the rotating member 50 and the pressing member 51 when the support jig 54 is attached to the stopper portion 52. When the hose holder 11 rises to pull out the fire extinguishing hose 12 and finishes the fire extinguishing activity, the fire extinguishing hose 12 is returned to the hose holder 11 and the hose holder 11 is housed in the main body 10. At this time, the hose holder 11 is lowered from the raised state, but as it is, the hose holder 11 is prevented from being lowered by the rotating member 50 as shown in FIG. Therefore, as shown in FIG. 17, a rod-shaped support jig 54 is inserted into the recess 52b of the stopper portion 52, and the tip portion of the support jig 54 supports the rotating member 50 so as to prevent the rotation. As a result, the pressing member 51 of the hose holding body 11 can be lowered without being interfered with by the rotating member 50, and the hose holding body 11 can be returned to the original position. When the hose holder 11 returns to its original position, the support jig 54 is removed.

As described above, since the main body 10 and the hose holding body 11 are provided with the fall prevention structure, the hose holding body 11 suddenly lowers when the raised fire extinguishing hose 12 is pulled out. This can be prevented and reliable fire extinguishing activities can be made possible.

The configuration of the unlocking unit 24 will be described in more detail. FIG. 18 shows a plan view of the handle member 70 having the unlocked portion 24. The handle member 70 is a box-shaped member that houses the unlocking portion 24, and is embedded in the upper surface portion 21 of the main body portion 10 so that the unlocking portion 24 is exposed to the upper surface side.

FIG. 19 shows a cross-sectional view taken along the line AA of FIG. In the handle member 70, in addition to the unlocking portion 24, a slide portion 71 that can slide and move in the horizontal direction in the handle member 70 is arranged. The upper surface of the slide portion 71 is in contact with the latch locking portion 75 fixed to the main body portion 10. As described above, the hose holder 11 is urged upward, and the upper surface of the slide portion 71 is in contact with the latch locking portion 75, so that the hose holder 11 is restricted from moving upward. Has been done. The latch locking portion 75 has a portion that comes into contact with the slide portion 71 and is formed of a member that can rotate with respect to the main body portion 10. Specifically, the latch locking portion 75 is formed of a bearing member.

The lock release portion 24 is rotatable about the rotation shaft portion 24a, and can be operated by inserting a hand from the upper left side in the drawing and pulling it up. The unlocking portion 24 has a pressing portion 24b at the lower end that presses the slide portion 71 as it rotates. The slide portion 71 has a contact portion 71a that is in contact with the latch locking portion 75, and a pressed portion 71b that is in contact with the pressing portion 24b of the unlocking portion 24.

FIG. 20 shows a cross-sectional view of the handle member 70 in a state where the unlocking portion 24 is operated. When the unlocking portion 24 is rotated around the rotation shaft portion 24a, the pressing portion 24b presses the pressed portion 71a of the slide portion 71 toward the left side in the drawing, whereby the slide portion 71 faces the left side in the drawing. Slide to move. Along with this, the contact portion 71b of the slide portion 71 moves from the position below the latch locking portion 75, and the upward movement restriction state of the handle member 70 is released. In this state, the hose holder 11 having the handle member 70 is raised by the upward urging force.

Since the slide portion 71 before the movement is in contact with the latch locking portion 75 in a state of receiving pressure in the upward direction, the sliding resistance at the time of sliding movement is large, but the latch locking portion 75 is the main body. Since it is rotatable with respect to the portion 10, the sliding resistance of the slide movement can be reduced.

FIG. 21 shows a rear view of the handle member 70. The back surface of the handle member 70 into which the hand is inserted is formed by cutting out the region shown by the hatching in FIG. The handle member 70 has a concave region for accommodating the unlocked portion 24, and if dust or the like enters this region, the rotation of the unlocked portion 24 may be hindered. By cutting out a part of the inner surface of the handle member 70, it is possible to prevent dust and the like that have entered the concave region for accommodating the unlocked portion 24 from falling and accumulating in this region.

FIG. 22 shows an enlarged view of the main body 10 provided with the ascending latch handle 29. The ascending latch handle 29 has the same configuration as the handle member 70 provided on the hose holder 11, and is arranged on both upper sides inside the main body 10. The hose holder 11 has latch locking portions 76 on both lower ends, and when the hose holder 11 is pulled up to the upper end, the ascending latch handle 29 of the main body 10 and the latch locking portion 76 are locked. The hose holder 11 can be prevented from rising any further.

When the raised hose holder 11 is lowered, it is necessary to operate the ascending latch handle 29 to release the locked state with respect to the latch locking portion 76. This operation can also be performed by opening the door portion 30 of the main body portion 10, but the work can be performed only from the road side, and it takes time and effort to open the door portion 30. In FIG. 22, since the openings 16 are provided on both upper surfaces of the main body 10, a hand can be put into the main body 10 through the openings 16 to operate the ascending latch handle 29. As a result, the ascending latch handle 29 can be operated from the observer passage 61 side, and the door portion 30 does not need to be opened even when the ascending latch handle 29 is operated from the road side, so that the work can be facilitated.

Although the embodiment of the present invention has been described above, the embodiment of the present invention is not limited to the present embodiment and can be applied in various ways within the scope of the technical idea thereof. In the present embodiment, the urging force of the elastic drive member 32 is set to be larger than the weight of the hose holder 11 holding the fire extinguishing hose 12, and the lock engaging portion 23 is engaged with the main body portion 10. Is released, the hose holder 11 is automatically pulled upward by the urging force of the elastic drive member 32, but the urging force of the elastic drive member 32 is applied to the hose holder holding the fire extinguishing hose 12. The hose holder 11 may be suspended from the weight of the hose 11 so that the user can pull up the hose holder 11 with a small force in the event of a fire. In this case, the hose holder 11 can be stopped at an arbitrary height.

Further, in the present embodiment, four drive units 31 are provided so as to be arranged at the four corners of the hose holder 11, but the number and arrangement of the drive units 31 can be appropriately set as needed.

Further, in the present embodiment, the hose holding body 11 is provided with the lock engaging portion 23 and the lock releasing portion 24 for releasing the engaged state of the lock engaging portion 23, but the hose holding body 11 is attached to the main body portion 10. As a means for fixing the hose, a magnet or the like may be used. Further, the unlocking portion 24 is not limited to the lever-shaped one pulled by hand as in the present embodiment, and a push-type operating portion or the like can also be used.

1 Fire hydrant device 10 Main body 11 Hose holder 12 Fire extinguishing hose 13 Nozzle 20 Hose storage 23 Lock engagement part 24 Unlocking part 26 Latch member 30 Door part 31 Drive part 32 Elastic drive member 33 Wire 36 Latch housing part 50 Support Member 51 Pressing member 52 Stopper 53 Abutment 54 Support jig 60 Road 61 Observer passage

Claims (10)

The main body is buried under the passage surface of the observer passage provided one step higher than the road surface of the road along the wall surface of the tunnel having the road, and the upper surface of the main body is substantially flush with the passage surface. A fire hydrant device in which the front surface of the main body is substantially flush with the wall surface of the observer passage facing the road side under the passage surface.
It said body portion has, on its inside, has a hose holder for holding the extinguishing hose, and a drive unit for the hose holder pushes up the hose holder so as to protrude above said path surface,
The hose holder has openings on the front surface and the back surface for pulling out the fire extinguishing hose when pushed upward from the passage surface.
The drive unit is a fire hydrant device including a wire connected to the hose holder and an elastic drive member for urging the wire to be pulled. The fire hydrant device according to claim 1, wherein the main body portion has a pulley member for guiding the wire downward, and the wire is fixed to a lower end portion of the hose holder. The hose holding body has a lock engaging portion that engages with the main body portion and a lock releasing portion that releases the engaged state of the lock engaging portion, and the hose is held by the lock engaging portion. The fire hydrant device according to claim 1 or 2, wherein the body opposes the urging by the elastic driving member. The main body portion has a latch locking portion in which the lock engaging portion is pressed against and locked in the ascending direction.
The lock engaging portion is provided on the hose holder so as to slide and move in the horizontal direction from the latch locking portion by operating the unlocking portion.
The latch locking unit, fire hydrant apparatus according to claim 3, characterized in that the rotatable bearing member with the sliding movement of the locking engagement portion. The main body portion has a guide surface portion facing the hose holder portion and along the height direction, and the hose holder portion has a rotating body that is in contact with the guide surface portion and can roll. The fire hydrant device according to any one of 1 to 4. The fifth aspect of claim 5, wherein the guide surface portions are provided at least at four positions on the main body portion, and the rotating bodies of the hose holders abut on the guide surface portions from at least four different directions. Fire hydrant device. Any one of claims 1 to 6, wherein the hose holder has a latch member that is held so as not to fall with respect to the main body when the hose holder is pulled up to the upper end position by the drive unit. The fire hydrant device described in. The invention according to any one of claims 1 to 7, wherein cushioning members corresponding to the upper end position and the lower end position of the hose holder are provided between the main body and the hose holder. Fire hydrant device. The main body has a rotating member that holds the hose holder so that it does not descend after being pulled up to the upper end position, and the hose holder has a pressing member that cooperates with the rotating member.
The rotating member can be rotated by being pushed up from below by the pressing member, and the main body prevents the rotating member from rotating when the pressing member comes into contact with the rotating member from above. The fire hydrant device according to any one of claims 1 to 8, further comprising a stopper portion. The main body portion is embedded in an observer passage formed so as to have a predetermined height on the side portion of the road of the tunnel, and the upper surface of the main body portion is substantially flush with the upper surface of the observer passage. The fire hydrant device according to any one of claims 1 to 9, wherein the fire hydrant device is characterized.

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