JP4789578B2 - Fire hydrant equipment - Google Patents

Description

  The present invention relates to a fire hydrant device.

  For example, Japanese Patent Application Laid-Open No. 2001-095943 (Patent Document 1) discloses a fire hydrant device including a hose housing portion that houses a fire hose wound around an inner winding. This fire-extinguishing hose is a shape-retaining hose having a hollow circular cross section and having a strong shape-retaining property, and the shape-retaining hose is wound in an inner-winding manner in a spiral shape toward the center side sequentially along the inner surface of the hose housing portion. Thus, the shape retaining hose is pressed against the inner surface of the housing portion by the strong restoring force that appears when it is wound as described above, and is housed in the hose housing portion in an orderly manner. For example, the winding direction of the shape retaining hose around the hose accommodating portion is left-handed (counterclockwise). Further, the fire hydrant device is provided with a forward inclined door for opening and closing the front opening of the housing, and a hose guide through which the shape retaining hose is inserted is provided on the inner surface side of the forward inclined door.

  And when the fire extinguishing nozzle provided at the tip of the shape retaining hose is pulled out of the housing by the operator, as shown in FIG. 8, the primary side in the winding direction of the shape retaining hose around the hose accommodating portion, That is, when the left-handed (counterclockwise) winding direction is the primary side in the winding direction, the shape-retaining hose is pulled out to the left and the inner edge 101 of the hose opening of the hose housing portion and the inner surface of the hose guide. While being in contact with 102, the shape-retaining hose is fed out to the outside of the housing while taking a hose feeding radius R formed by the feeding portion L 1 of the shape retaining hose, the inner edge 101 of the hose opening, and the inner surface 102 of the hose guide. At this time, a restoring force is generated in the shape retaining hose so as to return the hose feeding radius R, and the feeding portion L1 once flows toward the back of the housing, that is, the back side of the hose feeding radius R is returned. The shape-retaining hose is fed out of the housing while energizing its restoring force. Since the restoring force increases as the hose feeding radius R decreases, the restoring force increases as it reaches the feeding portion on the outermost side and the foremost side (outside of the hose accommodating portion) of the hose accommodating portion. The maximum restoring force is generated in the feeding portion L1. Then, in such a feeding part L1, it is possible to return to the hose feeding radius R and to sink under the shape-retaining hose on the back side due to a strong restoring force, so that the shape-retaining hose cannot be delivered. .

However, since the hose guide is located away from the front surface of the hose housing portion, the hose feed radius R formed by the shape-retaining hose (feed portion) to be fed, the inner edge 101 of the hose opening, and the inner surface 102 of the hose guide is increased. Therefore, even in the feeding portion L1 in FIG. 8, since a strong restoring force is not generated, it is possible to prevent the shape retaining hose from being unable to be fed due to being buried under the shape retaining hose on the back side (for example, , See Patent Document 1).
JP 2001-095943 A

  By the way, in the forward-extinguishing type fire hydrant apparatus as described above, since the forward-inclined door protrudes forward of the fire hydrant apparatus when the door is opened, for example, when the door is installed in a narrow tunnel of the inspection path, the opening of the door is an obstacle to the traveling vehicle. Therefore, there has been a demand for a fire hydrant device having a front door that can be opened and closed by moving the front opening in the vertical direction, for example, a door raising type or a door falling type fire hydrant device.

  In the case of such a fire hydrant apparatus, as shown in FIG. 9, since it is not a forward tilt type, a hose guide cannot be provided in a position away from the hose opening. Therefore, when the fire extinguishing nozzle provided at the tip of the shape retaining hose is pulled out of the housing by the operator, the primary side in the winding direction of the shape retaining hose around the hose accommodating portion, that is, left-handed (counterclockwise) When the shape-retaining hose is pulled out sharply to the left toward the primary side in the winding direction, the shape retaining hose comes into contact with the inner edge 103 of the hose opening of the hose accommodating portion and the inner edge 104 of the front opening, The shape retaining hose is fed out to the outside of the housing while taking a very small hose feeding radius R formed by the feeding portion L1, the inner edge 103 of the hose opening, and the inner edge 104 of the front opening. As described above, a restoring force is generated in the shape retaining hose so as to return the hose feeding radius R, and the feeding portion L1 once tries to flow toward the rear of the housing, that is, the hose feeding radius R is returned. The shape-retaining hose on the back side is fed out to the outside of the housing while energizing the restoring force, and the restoring force is increased as the hose feeding radius R becomes smaller, that is, the outermost side and the foremost side of the hose accommodating portion (hose) Since it becomes larger as it reaches the feeding part on the outer side of the housing part, at the feeding part L1 where the maximum restoring force is generated and the feeding part around it, the hose feeding radius R is tried to be returned to the back side by a strong restoring force. It may happen that the shape retaining hose is buried under the shape retaining hose and the shape retaining hose cannot be extended. Further, as a solution to this, it may be possible to increase the distance between the hose opening and the front opening, but the depth of the housing increases correspondingly, making it difficult to reduce the size (thinning).

  The present invention has been made to solve the above problems, and in a fire hydrant apparatus having a front door that allows the front opening to be freely opened and closed, the shape retaining hose is on the primary side in the winding direction of the hose accommodating portion. An object of the present invention is to provide a fire hydrant device that can increase the hose feed radius R even when pulled out at an acute angle, so that the shape-keeping hose can be reliably fed out of the housing, and can be downsized. .

The present invention has a hose opening provided in the hose receiving portion, including a hose receiving portion for winding and holding a shape retaining hose in an inner winding in a housing having a front door that allows the front opening to be opened and closed. And the fire hydrant device in which the shape retaining hose is drawn out of the housing through the front opening, the hose accommodating portion is bent in a substantially L shape, and has two bands having a front plate and a side plate. Provided with a plate, the hose opening is provided between two front plates, and a concave portion is formed in a connecting portion between the front plate and the side plate in the band plate , and the hose accommodating portion of the shape retaining hose The concave portion is formed only in the band plate located on the primary side in the winding direction, and the concave portion is not formed in the band plate located on the other side .

  Further, the concave portion is sized to cut out one of the shape-retaining hoses to be accommodated in a connecting portion between the front plate and the side plate.

  Further, the hose accommodating portion is configured so that the gap between the forefront surface of the portion and the inner surface of the door unit is equal to or less than the diameter of the fire hose at the portion facing the door unit where the front opening is formed. It is formed.

  In the present invention, since the concave portion is formed in the connecting portion between the front plate and the side plate constituting the hose receiving portion that winds and holds the shape retaining hose in the inner winding, it is originally accommodated in the connecting portion between the front plate and the side plate. An appropriate number of shape retaining hoses to be performed can be cut off. As a result, even if the shape retaining hose is pulled out acutely to the primary side in the winding direction of the hose accommodating portion, the shape retaining hose is extended by the feeding portion of the shape retaining hose, the inner edge of the hose opening, and the inner edge of the housing opening. Since the minimum radius that the hose feeding radius R can take is larger than the conventional one, the shape retaining hose can be reliably fed out of the housing. In addition, in order to increase the hose feeding radius R, it is not necessary to increase the distance between the hose opening and the front opening, so that the fire hydrant device can be downsized (thinned).

  Moreover, this invention formed the recessed part in the connection part of this front board and this side board which is the primary side of the winding direction to this hose accommodating part of a shape retention hose. In other words, when the hose accommodating portion winds and holds the shape retaining hose counterclockwise, a concave portion is formed only at the connecting portion between the front plate and the side plate of the hose accommodating portion (hose bucket) located on the left side, and the right side No concave portion is formed in the hose accommodating portion located at the position. In addition, when the hose accommodating portion winds and holds the shape retaining hose clockwise, a concave portion is formed only at the connecting portion between the front plate and the side plate of the hose accommodating portion (hose bucket) located on the right side, and on the left side. A recessed part is not formed in the hose accommodating part located. As a result, even if the shape retaining hose is pulled out acutely to the primary side in the winding direction to the hose accommodating portion, while allowing the shape retaining hose to be reliably fed out of the housing, The amount of the shape retaining hose accommodated in the hose accommodating portion can be increased, and the processing of the hose accommodating portion (hose bucket) is facilitated.

  Further, according to the present invention, the concave portion is sized so as to cut out one of the shape-retaining hoses to be accommodated in the connecting portion between the front plate and the side plate, that is, the hose housing in which the restoring force is maximized. The shape-keeping hose feed-out part located on the outermost side and the front-most side of the part is eliminated, so that the shape-keeping hose can be reliably fed out of the housing compared to the conventional case, The capacity of the shape retaining hose can be maximized.

  Further, according to the present invention, in the portion where the hose accommodating portion is opposed to the door unit in which the front opening is formed, a gap between the forefront of the portion and the inner surface of the door unit is equal to or less than the diameter of the shape retaining hose. Therefore, even if the hose break-out phenomenon occurs due to the hose pulling-out operation, the shape retaining hose is not sandwiched between the hose accommodating portion and the door unit, and the hose pulling-out operation can be performed satisfactorily.

  An embodiment of the present invention will be described with reference to FIGS. 1 is a front view of the entire fire hydrant device of the present invention, FIG. 2 is a horizontal sectional view of a hose housing portion in the fire hydrant device of the present invention, FIG. 3 is a rear view of the door unit in the fire hydrant device of the present invention, and FIG. FIG. 5 is a side view of the door unit, FIG. 6 is a partially enlarged view of FIG. 4, and FIG. 7 is a front view of the door unit showing the open / close state of the descending door in the fire hydrant device of the present invention. FIG.

  In FIG. 1, a fire hydrant apparatus 1 includes a hose accommodating portion 4 that accommodates a fire extinguishing hose 3, which is a shape retaining hose having a nozzle 3 a at its tip, in an inner winding. The hose accommodating part 4 has a hose opening 4a at the front center part thereof, the housing 2 has a front opening 20 on the front face thereof, and the hose 3 has a hose opening part 4a and a front opening part 20. Further, it can be pulled out of the housing 2. The front opening 20 is normally closed by a drop door 19 as an example of a front door.

  In the housing 2, in the central storage portion 2a, in addition to the fire hose 3 having the fire extinguishing nozzle 3a and the bucket type hose housing portion 4 in which the fire hose 3 is housed in the inner winding, A maintenance valve 6 having a discharge inspection port 5, a pressure adjusting valve 7, a fire hydrant valve 8, a foam stock solution tank 9, a foam stock solution introduction valve 10, a foam stock solution introduction check valve 11 having a foam stock solution introduction check port 11a, and the like are stored. .

  A front panel 13 as an example of a front panel that is detachably attached to the front surface of the housing is attached to the front surface of the housing 2 so as to cover the central storage portion 2a.

  In addition, on the side of the central storage portion 2a, there is a fire extinguisher storage portion 14 and an electrical equipment storage portion 15 such as a fire alarm on one side, and a storage portion for a fire hydrant 17 on the other side. 18 is provided.

  The front panel 13 detachably attached to the housing 2 is formed with a front opening 20 that opens when the lower door 19 is lowered. When the lowering door 19 is lowered and the front opening 20 is opened, the hose opening 4a of the hose accommodating portion 4, the fire-extinguishing nozzle 3a supported by a support portion (not shown), and the fire hydrant valve 8 are exposed. That is, when the lowering door 19 is lowered and the front opening 20 is opened, the fire-extinguishing hose 3 is pulled out from the hose opening 4 a of the hose housing 4 by holding the fire-extinguishing nozzle 3 a and the fire hydrant valve 8 is opened. It can be operated to plug.

  The front panel 13 in which the front opening 20 is formed is provided with a lowering door 19, a mechanism for guiding the vertical movement of the lowering door 19, a mechanism for giving resistance to the lowering of the lowering door 19, and the like. A detachable door unit 27 is configured. As described above, the door unit 27 includes the lower door 19, the front opening 20 opened by the lower door 19, and the mechanism for controlling the dropping speed of the lower door 19, but is integrated with the housing 2. Thus, a fire hydrant device that can be easily attached and detached and that can be easily assembled and maintained can be obtained.

  As shown in FIGS. 1 and 2, the hose accommodating portion 4 is separated from the inner wall upper surface 2 b of the housing 2 in parallel and is a lower surface plate erected from the inner wall rear surface 2 d of the housing 2 toward the front surface of the housing 2. 41 and a hose bucket 42 are provided.

  The hose bucket 42 includes two connecting members 43 (43a) and 43 (43b) made of a plate-like rod-shaped body having a U-shaped cross section extending from the inner wall upper surface 2b of the housing 2 to the lower surface plate 41, and the connecting members. It is composed of two strips 44, 44 which are bent in a substantially L shape from 43, 43 to the inner wall back surface 2d of the housing 2 and have a front plate 44a and a side plate 44b. A hose opening 4a is provided between the two connecting members 43, 43, and four corner openings are provided between the two strips 44, 44 and the inner wall upper surface 2b and the lower surface plate 41 of the housing 2. A part (reference numeral omitted) is provided. In addition, although the connection members 43 and 43 and the strips 44 and 44 are integrally formed by the same member, what welded another member may be used. Further, the connecting members 43 and 43 may be other than a plate shape, for example, a rod-like body having a circular cross section. Moreover, it is preferable that the connection members 43 and 43 are surface-treated on the surface or are curved so that there are no corners, thereby reducing the frictional resistance with the fire hose 3. .

  By configuring the hose bucket 42 as described above, the inner surface of the hose bucket 42 (band plates 44, 44), the inner wall upper surface 2b of the housing 2, the lower surface plate 41, and the inner wall rear surface 2d of the housing 2 are used for fire extinguishing. A hose accommodating portion 4 that holds the hose 3 is formed.

  Since the hose accommodating portion 4 is formed by the hose bucket 42 as described above, when the fire hose 3 is accommodated in the hose bucket 42, that is, in the hose accommodating portion 4 from the hose opening 4 a of the hose bucket 42, It is possible to visually check how the fire-extinguishing hose 3 is wound in the hose housing part 4 from the opening (not shown), and from the corner opening (not shown), the hose housing 4 A hand can be put in and the fire hose 3 can be pushed in and arranged. Therefore, it is possible to easily wrap the fire hose 3 in the hose accommodating portion 4 and accommodate it. Further, since the hose accommodating portion 4 is formed by the hose bucket 42 including the two connecting members 43 and 43 and the substantially L-shaped strip plates 44 and 44, the structure can be simplified. Furthermore, since the hose accommodating portion 4 uses the inner wall upper surface 2b and the inner wall rear surface 2d of the housing 2, the fire hydrant apparatus 1 can be reduced in size.

  Further, the hose accommodating portion 4 is a primary side strip 44 in the winding direction of the fire hose 3 to the hose accommodating portion 4, that is, in the present embodiment, left-handed (counterclockwise) as illustrated. In the band plate 44 on the left side toward the primary side in the winding direction, a concave portion 44c is formed at a connection portion between the front plate 44a and the side plate 44b. The concave portion 44c has a possibility that it can not be brought out under the extinguishing hose 3 on the back side due to generation of a strong restoring force when the hose is pulled out. This is for cutting out the shape-keeping hose feed-out portion in the direction of the foremost side (the outer side of the hose accommodating portion 4). In the present embodiment, it is accommodated in the connecting portion between the front plate 44a and the side plate 44b. This is the size for cutting out one fire extinguishing hose 3 (the feeding portion L1 indicated by the dotted line in FIG. 2).

  And the hose accommodating part 4 accommodates the fire hose 3 by sequentially winding it in the counterclockwise direction from the outer side toward the center side. That is, the hose accommodating portion 4 is arranged in the first row by sequentially winding the fire hose 3 counterclockwise from the inner wall rear surface 2d, 2d on the side plate 44b, 44b side to the front plate 44a, 44a direction, Next, the fire hose 3 is sequentially wound counterclockwise from the inner surface of the front plate 44a, 44a to the inner wall rear surface 2d, 2d in the inner side, and the second row is disposed, and further, the inner wall rear surface 2d, 2d is further inner. The fire hose 3 is sequentially wound counterclockwise in the direction from the front plate 44a to the front plate 44a, and the third row is disposed, and the fire hose 3 is accommodated in the inner winding, and so on. A fire extinguishing nozzle 3 a provided at the tip of 3 is supported by a support portion (not shown). In particular, as shown in FIG. 2, the fire-extinguishing hose 3 is accommodated in a matrix-aligned state in a cross-sectional grid pattern. And when the fire extinguishing hose 3 is pulled out of the housing | casing 2, it is drawn out in the reverse order to the arrangement | positioning order.

  As shown in FIG. 2, the fire hose 3 is the primary side in the winding direction of the fire hose 3 around the hose accommodating portion 4, that is, the primary side in the left-handed (counterclockwise) winding direction. When the fire hose 3 is pulled out of the housing 2 at an acute angle on the left side, the inner edge 4b of the hose opening 4a of the hose housing part 4 and the inner edge 20b of the front opening 20 are shown in FIG. The hose feed-out radius of the fire hose 3, the inner edge 4 b of the hose opening 4 a and the inner edge 20 b of the front opening 20 are taken out to the outside of the housing.

  When the hose feed radius R is small, the restoring force of the shape retaining hose 3 is increased, and when the restoring force is large, the portion of the fire hose 3 to be fed (feeding portion) is to return the hose feed radius R (make it larger) to the rear surface. Since a large restoring force is applied to the fire extinguishing hose 3 on the side, in the worst case, the fire extinguisher hose 3 may be sunk under the fire extinguishing hose 3 on the back side. .

  However, since the concave portion 44c is provided as described above, the shape retaining hose feed-out portion L1 located on the outermost side and the foremost side of the hose accommodating portion where the restoring force is maximized is eliminated. Thus, the risk of falling under the fire hose 3 on the back side and the fire hose 3 not being fed out is eliminated. In addition, the amount of the fire hose 3 accommodated in the hose accommodating portion 4 can be maximized while the fire hose 3 can be reliably fed out of the housing 2.

  In addition, the size of the recess 44c has a large restoring force so that the extension part of the fire hose 3 does not sink under the fire hose 3 on the back side and the fire hose 3 cannot be extended. An appropriate number of fire extinguishing hoses 3 (for example, the feeding portions L2 and L3 in FIG. 2) close to the side of the most side plate 44b and the side of the foremost plate 44a of the hose accommodating portion 4 can be cut. The size can be set appropriately for each fire hydrant device.

  Next, even if the fire-extinguishing hose 3 can be fed out as described above, the fire-extinguishing hose 3 in the upper direction of the hose accommodating portion 4 is fed out in a chained manner due to its own weight, the weight of the charged water, etc. In such a case, the fire hose 3 may be bent, causing the fire hose 3 to bend and be caught in a gap between the front surface of the hose accommodating portion 4 and the inner surface of the door unit 27. The drawer operation becomes difficult and hinders fire fighting activities.

  Therefore, the hose accommodating portion 4 is formed so that the gap D between the forefront surface of the part and the inner surface of the door unit 27 is equal to or less than the diameter of the fire hose at the part facing the door unit 27 in the opened state. ing. That is, as shown in FIG. 1, when the door is opened, the portion that opposes the inner surface of the door unit 27 is only the left side of the hose accommodating portion 4. Therefore, as shown in FIG. 2, the left side that constitutes the hose accommodating portion 4. The thickness width of the connecting member 43a is made larger than that of the right connecting member 43b constituting the hose accommodating portion 4, and the front side of the connecting member 43a and the inner surface of the door unit 27 (traveling guide portion 21 described later) are connected. The gap D is set to be equal to or less than the diameter of the fire hose 3. Thereby, even if the hose break-out phenomenon occurs due to the hose pull-out operation, the fire hose 3 is not sandwiched between the hose accommodating portion 4 and the door unit 27, and the hose pull-out operation can be performed satisfactorily.

  Next, the door unit 27 will be described in detail. 3 to 6 show details of the door unit 27. As shown in the figure, on both side edges of the descending door 19, two roller units 23, 23, 23, 23 in total, that is, a total of four roller units 23, 23, 23, 23 are provided. , 23, 23 are accommodated in travel guide portions 21, 21 provided on the back of the front panel 13 on both sides of the lower door 19. Therefore, the lower door 19 can be moved up and down by the roller units 23, 23, 23, 23 and the travel guide portions 21, 21 on the back side of the front panel 13. Furthermore, two dampers 25 and 25 are provided between the front panel 13 and the descending door 19 on the back side of the descending door 19, and the piston rods 25 c and 25 c are lowered by the dampers 25 and 25. The end side mounting portions 25g and 25g of the cylinders 25a and 25a are attached to the back surface of the front panel 13 so that the door 19 moves to the expansion side as the door 19 descends and moves to the contraction side as the door 19 rises. The extension end side attachment portions 25h, 25h of the piston rods 25c, 25c are attached to the lower rear side of the descending door 19. Accordingly, in the dampers 25 and 25, the piston rods 25c and 25c are extended by the lowering of the lowering door 19, and the piston rods 25c and 25c are contracted by the raising of the lowering door 19. Reference numeral 24 denotes a lower door accommodating portion that forms a door when the lower door 19 is lowered, 26 is a latch mechanism for holding and releasing the closed state of the lower door 19, and 28 is a rear surface of the front panel 13. It is a stopper of the descent door 19 provided in the. Reference numeral 30 denotes fixing members provided at four corners on the back surface of the front panel 13, and the fixing members 30 are detachably fixed to fixed members (not shown) of the central storage portion 2a.

  The roller unit 23 includes two orthogonal rollers 23 a and 23 b around the horizontal axis, and the roller 23 a that rotates about the horizontal axis along the width direction of the descending door 19 faces the back surface of the front panel 13. A roller 23b that travels between the inner surface of the back plate portion 21a of the traveling guide portion 21 and that has a smaller diameter than the roller 23a and rotates about a horizontal axis along the thickness direction of the descending door 19 is a side edge of the descending door 19 And the side plate portion 21b of the traveling guide portion 21 opposed thereto. Accordingly, the lower door 19 can be moved up and down while restricting the movement in the front and rear and right and left directions. For example, there is a slight inclination in the front and rear and right and left directions in the installed state of the fire hydrant apparatus 1. Even so, the lowering door 19 can be moved up and down smoothly. The travel guide portion 21 is covered by travel guide cover portions 24a and 24a formed integrally with the descending door accommodating portion 24 over the entire length thereof, and the travel guide cover portions 24a and 24a The back plate portion also serves as the back plate portions 21a and 21a in the travel guide portions 21 and 21.

  FIG. 7 is a front view of the door unit 27 showing the open / close state of the lower door 19, FIG. 7 (a) shows the fully closed state of the lower door 19, and FIG. 7 (b) shows the fully open state of the lower door 19. ing. As shown in FIG. 7A, the fully-closed descending door 19 is positioned upward so as to close the front opening 20, and the state is maintained by the latch mechanism 26. At this time, the dampers 25, 25 The piston rods 25c, 25c are located at the most contracted length position. When the handle 26a of the latch mechanism 26 is operated to release the closed state of the lowering door 19, the lowering door 19 falls due to its own weight, and the front opening 20 is opened by the lowering. Then, as shown in FIG. 7B, the fully opened lowering door 19 is positioned below to open the front opening 20, and is stopped by stoppers 28, 28. At this time, the dampers 25, 25 are The piston rod 25c is located at the most extended position.

  The dampers 25 and 25 are configured so that resistance is given to the movement toward the extension side when the piston rods 25c and 25c extend. Therefore, when the lower door 19 is lowered, The dampers 25, 25 give resistance to the lowering, whereby the lowering speed of the lowering door 19 can be controlled. That is, the damper 25 gives resistance to the lowering of the lowering door 19 over its entire stroke, that is, gives resistance to the lowering of the lowering door 19 from the initial stage of lowering. The falling speed of the descending door can be controlled from the initial descent, and the housing 2 can be prevented from being damaged.

  In addition, the damper 25 does not give resistance from the beginning of the lowering of the lowering door 19, that is, first, the lowering door 19 is almost free-falled and quickly lowered, and the resistance is lowered after the lowering door 19 is lowered to a predetermined position. As a result, the lowering door 19 can be first lowered quickly in a substantially free-fall state, and then the lowering can be stopped while controlling the lowering speed. , The lowering of the lowering door 19 can be gently stopped while the lowering door 19 is rapidly lowered. Furthermore, the damper 25 can be configured not to give resistance to the lowering of the lowering door 19, thereby providing resistance to lowering the lowering door 19, while raising the lowering door 19. That is, almost no resistance can be given to the return (closing operation).

  The fire hydrant device 1 is an example of the present invention, that is, the present invention is not limited to the door-falling fire hydrant device 1, and may be, for example, a door-raising fire hydrant device, that is, the front surface. The present invention can be applied to any fire hydrant apparatus provided with a front door that can be opened and closed by moving the opening in the vertical direction, and can also be applied to a fire hydrant apparatus such as a forward tilt type.

It is a front view of the whole fire hydrant apparatus of this invention. It is a horizontal sectional view of the hose accommodating part in the fire hydrant device of this invention. It is a rear view of the door unit in the fire hydrant apparatus of this invention. It is a top view of a door unit same as the above. It is a side view of a door unit same as the above. FIG. 5 is a partially enlarged view of FIG. 4. It is a front view of the door unit which shows the state of opening and closing of the descending door in the fire hydrant device of this invention. It is a figure explaining hose delivery in the conventional forward tilting door type fire hydrant apparatus. It is a figure explaining hose delivery in the conventional door raising type or door falling type fire hydrant apparatus.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Fire hydrant apparatus, 2 Housing | casing, 2a Central storage part, 2b Inner wall upper surface, 2d Inner wall back surface, 3 Fire hose, 3a Fire extinguishing nozzle, 4 Hose accommodating part, 4a Hose opening part, 4b Inner edge, 5 Release inspection port, 6 Maintenance valve, 7 Pressure adjustment valve, 8 Fire hydrant valve, 9 Foam stock solution tank, 10 Foam stock solution introduction valve, 11 Foam stock solution introduction check valve, 11a Foam stock solution introduction check port, 13 Front panel, 14 Fire extinguisher storage, 15 Electrical equipment Storage unit, 17 Fire hydrant hydrant, 18 Fire corps hydrant storage unit, 19 Lower door, 20 Front opening, 20b Inner edge, 21 Travel guide, 21a Back plate, 21b Side plate, 23 Roller unit, 23a roller , 23b Roller, 24 Lowering door accommodating part, 24a Traveling guide cover part, 25 Damper, 25a Cylinder, 25c Piston rod, 25g Cylinder other end side attachment part, 25h Piston rod extension end side attachment part, 27 Door unit, 41 Bottom plate, 42 Hose bucket, 43 Connecting member, 44 Band plate, 44a Front plate, 44b Side plate, 44c Concave portion, D gap , L1 Shape retention hose feed-out site, L2 Shape-hold hose feed-out site, L3 Shape-hold hose feed-out site.

Claims (3)

A hose housing portion for housing a shape-keeping hose by winding it inside is provided in a housing having a front door that allows the front opening to be opened and closed, and the hose opening portion provided in the hose housing portion and the front opening In the fire hydrant device in which the shape-keeping hose is drawn out of the housing through the part,
The hose accommodating portion includes two strips bent in a substantially L shape and having a front plate and a side plate, and the hose opening is provided between the two front plates. A concave portion is formed in the connecting portion with the side plate ,
The concave portion is formed only on the strip located on the primary side in the winding direction of the shape retaining hose around the hose accommodating portion, and the concave portion is not formed on the strip located on the other side. Fire hydrant device to do. The recesses claim 1 Symbol placement of fire hydrant apparatus is characterized in that is sized to ablate one roll of-holding type hose to be accommodated in connecting portion between the front plate and the side surface plate. The hose accommodating portion is formed so that a gap between the forefront of the portion and the inner surface of the door unit is equal to or less than the diameter of the fire hose at a portion facing the door unit where the front opening is formed. The fire hydrant device according to claim 1 or 2 , characterized in that.

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