JP2782672B2 - Water supply hose holding device in water storage tank - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is to stably supply water to a water storage tank by securely holding the tip of a water supply hose on the inner surface side of a lid receiving member connected to an opening provided at the top of the water storage tank. The present invention relates to a water supply hose holding device in a water storage tank.

[0002]

2. Description of the Related Art For example, when water is supplied to a fire protection water tank, a hose is inserted into a water supply / supply hole formed by a lid receiving member connected to an opening (manhole) at the top. Although water was supplied, the water is discharged at high pressure. If the water is supplied while the hose is simply inserted, the recoil at the time of water discharge may cause the hose to be violent and very dangerous. Therefore, at the time of water supply, there was a disadvantage that the worker had to hold the hose firmly. An object of the present invention is to provide a water supply hose holding device in a water tank that can solve such a problem.

[0003]

In order to solve the above problems, the present invention employs the following means. That is, the water supply hose holding device (hereinafter referred to as a holding device) in the water storage tank according to the present invention has a ring-like shape connected to an opening provided at the top of the water storage tank and has an inner periphery of a lid receiving member that supports the lid plate. On the surface,
A support member is integrally protruded inward, and the mounting hole of the support member is inserted vertically into a mounting hole of the water supply hose, in which a distal end portion of the water supply hose is inserted downward and the inserted distal end portion is held in a fixed state. A water supply hose holding device in a water storage tank, which is fixed by inserting and holding a holding cylinder having a holding hole, wherein an engaging groove is provided in an inner surface portion of the mounting hole in a vertical direction, and the holding cylinder is an upper cylinder. And a lower cylinder. The upper cylinder can be inserted into the mounting hole, an engaging step on the outer surface thereof can abut on a peripheral portion above the mounting hole, and the outer surface of the inserted portion is engaged with the engaging groove. The lower cylinder is a threaded cylinder part whose upper end part can be screwed into a female thread part provided on the inner peripheral surface of the lower end part of the upper cylinder, In addition, an engaging protrusion that can contact the peripheral portion below the mounting hole is formed on the outer surface of the lower cylinder, and the holding hole is formed by screwing a screw cylinder to the female thread. It is done as if. And on the inner surface of the upper cylinder,
An engagement projection, which can be engaged with an engagement recess provided at a distal end portion of the water supply hose, is provided so as to be able to freely enter and exit and is normally urged in a projecting direction. And can be engaged.

In another aspect of the holding device according to the present invention, a holding member is formed on an inner peripheral surface of a lid receiving member which is formed in a ring shape and is connected to an opening provided at the top of a water storage tank and supports a lid plate. The holding member is provided with a holding hole penetrating in a vertical direction, which is capable of holding the tip end of the water supply hose downward and holding the inserted tip in a fixed state. It is a water supply hose holding device in a water storage tank. An upper engaging piece and a lower engaging piece are provided at upper and lower portions of an outer surface of a distal end portion of the water supply hose at a required interval, while the lower engaging piece is introduced into an inner surface of the holding hole. The lower engagement piece is introduced into the groove, and the upper engagement piece is brought into contact with the upper peripheral portion of the holding hole. Is projected slightly below the lower end of the holding hole, and in this state, the distal end portion of the water supply hose is rotated around the required angle axis, and the lower engagement piece is disengaged from the groove, so that the upper engaging member is disengaged. The joint piece can be brought into contact with the peripheral portion above the holding hole.

In each of the holding devices, "downward" is a concept including an obliquely downward state, and "vertical direction" is a concept including an oblique vertical direction.

[0006]

According to the present invention, by holding the distal end portion of the water supply hose on the holding portion, the danger of the water supply hose being violent due to a reaction at the time of water discharge can be avoided.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below with reference to the drawings. First Embodiment In FIGS. 1 to 3, a holding device 1 according to the present invention is provided on a lid receiving member 5 connected to an opening (manhole in this embodiment) 3 provided at the top of a fire prevention water tank 2, for example. I have.
The lid receiving member 5 is formed in a ring shape for supporting a lid plate 6 (FIG. 2).
And a holding portion 12 for holding the distal end portion 11 of the water supply hose 10 in a fixed state.

In this embodiment, as shown in FIGS. 4 and 1, the holding portion 12 has a circular mounting hole 13 at the center thereof, and has openings 15 and 15 on both sides for handling. A support member 17 having an engagement groove 16 provided in the vertical direction on the inner surface of the mounting hole, and a holding cylinder 19 fixedly mounted in the mounting hole 13.

The holding cylinder 19 has a vertically extending holding hole 2 through which the distal end portion 11 of the water supply hose 10 can be inserted.
It is cylindrical with zero. In this embodiment, FIGS.
As shown in the figure, the upper cylinder 21 is composed of an upper cylinder 21 and a lower cylinder 22. The upper cylinder 21 can be inserted into the mounting hole 13 and has an engagement step 23 provided on the outer surface of the upper part. It can contact the peripheral portion 25 above the hole 13. On the outer surface of the portion 26 to be inserted, an engaging projection 27 which can be engaged with the engaging groove 16 is provided so as to prevent the upper cylinder 21 from rotating. The rotation of the upper cylinder 21 is prevented by forming the engagement groove to have a short length that is open upward, and setting the length of the engagement protrusion to a length that can engage with the short engagement groove. It can also be obtained by setting.

On the other hand, the lower cylinder 22 has an upper end portion formed as a screw cylinder portion 30 which can be screwed into a female thread portion 29 provided on the inner peripheral surface of the lower end portion of the upper cylinder 21 and an outer surface of the lower cylinder. An engagement protrusion 32 is provided to be in contact with the peripheral portion 31 below the mounting hole 13. The screw hole 30 is screwed into the female screw 29 to form the holding hole 20. It has been done.

The housing recess 33 provided on the inner surface of the upper cylinder has an engaging projection formed on a downwardly inclined surface 35 which can be engaged with an engagement recess 34 provided at the tip of the water supply hose. For example, the portion 36 is provided so as to be freely movable in and out at an angular pitch of 120 degrees and normally urged in the protruding direction by the action of the spring member 28. Can be engaged.

FIG. 6 shows the water supply hose 10 in the holding hole 20.
This shows a state in which the cylindrical distal end portion 11 of the water supply hose is inserted, the engaging projection 36 is engaged with the engaging concave portion 34, and the distal end portion 11 of the water supply hose is held by the holding portion 12. . As a result, the distal end portion 11 of the water supply hose is held downward and fixed to the holding portion 12, so that the water supply to the fire prevention water tank is performed stably. In FIG. 3, the state of the water supply hose indicated by a one-dot chain line indicates a water supply state, and water is supplied as indicated by the one-dot chain line arrow.

In this embodiment, as shown in FIGS. 5 and 6, the distal end portion 11 of the water supply hose is provided with a cylindrical main body 39 having an engaging stepped portion 37 whose outer surface distal end portion is swelled, and is provided with a sheath. And a flanged cylinder 42 having a lower end 40 capable of abutting on the engaging step 37 and a flange 41 provided on the upper edge. The engaging recess 34 is formed between the lower end of the cylindrical body 42 and the engaging recess 34. However, as shown in FIG.
Is pushed downward and its lower end 43 presses the inclined surface 35 of the engagement protrusion 36, and the engagement protrusion 36 is
The engagement state between the engagement protrusion 36 and the engagement recess 34 can be released, and the water supply hose 10 can be withdrawn from the holding cylinder 19.

In this embodiment, the openings 15, 15 are provided on both sides of the mounting hole 13, so that when the worker enters or exits the manhole, his hand is hung on the edge 43 of the opening 15. Can be facilitated.

Second Embodiment FIGS. 8 and 9 show another embodiment of the present invention. The second embodiment has a circular holding hole 53 penetrating in the vertical direction at the center and openings on both sides thereof. A holding member 56 having 55 and 55 is integrally protruded from the inner peripheral surface portion 7 of the lid receiving member 5 having the same structure as described above. The holding portion 12 is formed by recessing the extending groove portions 57, 57. Further, in the present embodiment, the portion 59 on the distal end side of the water supply hose 10 corresponds to FIG.
As shown in FIG. 10, it is formed by a metal pipe bent in an L-shape. As shown in FIG. The lower engaging pieces 61, 61 are protruded, and four upper engaging pieces 62, 62, 62, 62
The projections are provided at an angle of 0 degree.

However, the lower engaging pieces 61, 61 are
7, 57, and the cylindrical lower end portion 6 of the water supply hose.
0 is inserted into the holding hole 53, and the upper engagement piece 62 is brought into contact with the upper peripheral portion 63 of the holding hole 53 (FIG. 9). As a result, the lower engagement pieces 61, 61 project directly below the lower end of the holding hole 53, and as shown by an arrow F1 in FIGS. 11A and 11B (FIG. 11A is a plan view, FIG.
(B) is a bottom view. In this state, when the lower end portion 60 is rotated F1 by a required angle (for example, 90 degrees), as shown in FIG. And the lower engagement piece 61 is sandwiched from above and below. In this state, the rotation is stopped by an appropriate locking means, and the lower end portion 60 of the L-shape (that is, the distal end portion of the water supply hose) is held in the holding hole 53 in a fixed state. As an example of the locking means, as shown in FIG. 10, a detent piece 67 that can be engaged with the inner surface 66 of the opening 55 is rotatably connected to the tip of one of the upper engagement pieces 62a. Can be mentioned,
The detent piece 67 can be detented, for example, by being bent as shown by a one-dot chain line in the figure and brought into contact with the inner surface 66 of the opening 55. In this embodiment, the L-shaped upper end portion 69 may be detachably connected to the tip 71 of the hose body 70 (FIG. 9).

In particular, in this embodiment, the water supply hose 10
Is formed by using a metal pipe bent in an L-shape, which is preferable because the tip 59 can be prevented from being broken. Such a configuration can be similarly employed in the first embodiment. In addition, since the openings 55, 55 for hanging are provided on both sides of the holding hole 53, when a worker enters or exits the manhole, his / her hand can be hung on the edge portion 72 of the opening 55, thereby facilitating access. Can be achieved.

[0018]

The present invention has the following excellent effects. According to the present invention, at the time of supplying water to the water storage tank, the distal end portion is stably fixed to the lid receiving member in a downward state by holding the distal end portion of the water supply hose in a holding portion provided on the lid receiving member. State. Therefore, even if the worker does not hold the hose as in the related art, the danger of the hose being violent due to the recoil at the time of water discharge can be avoided, and water can be supplied stably.

[Brief description of the drawings]

FIG. 1 is a perspective view illustrating a holding device according to the present invention.

FIG. 2 is a sectional view showing a state in which a cover plate is closed.

FIG. 3 is a cross-sectional view illustrating a holding device.

FIG. 4 is a perspective view illustrating a support member protruding from a lid receiving member.

FIG. 5 is a perspective view illustrating a configuration of a holding cylinder together with a configuration of a distal end portion of a water supply hose.

FIG. 6 is an enlarged sectional view illustrating a configuration of a holding unit.

FIG. 7 is a cross-sectional view illustrating a procedure for releasing a holding state of a water supply hose.

FIG. 8 is a perspective view illustrating another mode of the holding device.

9 is a cross-sectional view showing a state in which a distal end portion of a water supply hose is held by the holding device shown in FIG.

FIG. 10 is a perspective view illustrating a procedure for holding the distal end portion of the water supply hose by the holding device of FIG. 8;

FIGS. 11A and 11B are a plan view and a bottom view illustrating a manner in which the holding device of FIG. 8 holds a distal end portion of a water supply hose.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Holding device 3 Opening 5 Lid receiving member 6 Lid plate 7 Inner peripheral surface part 10 Water supply hose 11 Tip part of water supply hose 12 Holding part 13 Mounting hole 15 Opening 16 Engagement groove 17 Supporting member 19 Holding cylinder 20 Holding hole 21 Upper cylinder 22 Lower cylinder 23 Engagement step 27 Engagement protrusion 29 Female screw part 30 Screw cylinder part 53 Holding hole 55 Opening 56 Holding member 57 Groove 61 Lower engaging piece 62 Upper engaging piece

──────────────────────────────────────────────────続 き Continuation of the front page (56) References Japanese Utility Model 1-174444 (JP, U) Japanese Utility Model 2-141394 (JP, U) Japanese Utility Model 4-82493 (JP, U) Japanese Utility Model 3 75891 (JP, U) Japanese Utility Model 60-13397 (JP, U) Japanese Utility Model 60-70658 (JP, U) Japanese Utility Model Application 60-88182 (JP, U) Japanese Utility Model 2-42742 (JP, Y2) (58) Field surveyed (Int. Cl. ⁶ , DB name) E03B 11/00 B65D 90/10 E02D 29/14

Claims (2)

(57) [Claims] 1. A support member integrally projecting inward from an inner peripheral surface portion of a lid receiving member which forms a ring and is connected to an opening provided at a top portion of a water storage tank and supports a lid plate. A holding cylinder having a vertically extending holding hole for inserting the tip of the water supply hose downward and holding the inserted tip in a fixed state is inserted and fixed in the mounting hole of the support member. In the water supply hose holding device in the water storage tank, an engagement groove is provided in an up-down direction on an inner surface of the mounting hole, and the holding tube is configured by an upper tube and a lower tube, and the upper tube is An engaging projection that can be inserted into the mounting hole, the outer step of which can be brought into contact with a peripheral portion above the mounting hole, and the outer surface of the inserted portion has an engaging protrusion that can be engaged with the engaging groove. The lower cylinder has an upper end portion which is the lower end portion of the upper cylinder. A screw cylindrical portion that can be screwed into a female screw portion provided on the surface, and an engagement protrusion that can abut on a peripheral edge portion below the mounting hole is protruded from an outer surface of the lower cylinder; The holding hole is formed by screwing a threaded tube portion to the portion, and an engagement protrusion which can be engaged with an engagement recess provided at a distal end portion of the water supply hose is formed on an inner surface of the upper tube. The water supply hose holding device in the water storage tank, wherein the portion is provided so as to be freely movable in and out and always urged in a protruding direction, and in this protruding state, the engaging protruding portion can be engaged with the engaging concave portion. 2. A holding member integrally protruding from an inner peripheral surface of a lid receiving member that forms a ring and is connected to an opening provided at the top of the water storage tank and that supports the lid plate. A water supply hose holding device in a water storage tank provided with a holding hole penetrating in a vertical direction capable of inserting a distal end portion of a water supply hose downward and holding the inserted distal end portion in a fixed state, An upper engaging piece and a lower engaging piece are protrudingly provided at a required interval on the upper and lower outer surfaces of the distal end portion, while a groove for introducing the lower engaging piece is provided on an inner surface of the holding hole. The lower engaging piece is recessed over the entire vertical length, and the lower engaging piece is introduced into the groove, and the upper engaging piece contacts the upper peripheral portion of the holding hole. Protrude slightly below the lower end of the water supply hose. The water supply hose holding in the water storage tank, wherein the portion is rotated around the required angle axis, and the lower engaging piece comes out of the groove so that the upper engaging piece can come into contact with the upper peripheral portion of the holding hole. apparatus.