CN213836863U - Overground antifreezing fire hydrant - Google Patents

Abstract

The utility model discloses a fire hydrant prevents frostbite on ground, the fire hydrant head sets up the upper end at the fire hydrant pipe, the fire hydrant pipe is connected with the one end of regulating pipe, the other end of regulating pipe is connected with the one end of fire hydrant main valve, the other end of fire hydrant main valve passes through the flow pipe and links to each other with the water source, protective assembly sets up the outside at fire hydrant pipe and fire hydrant head, protective assembly includes the protecting tube, the protecting tube cover is in the fire hydrant pipe outside, the fixed upper end that sets up at the protecting tube of guard plate, the guard plate sets up the downside at the fire hydrant head, the upside of guard plate is provided with the helmet that is used for protecting the fire hydrant head, it has the heat preservation to fill between the inner wall of protecting tube and the outer wall of fire hydrant pipe. The fire hydrant is provided with the protection assembly, the protection assembly plays a role in protecting the fire hydrant when the fire hydrant is collided, and potential safety hazards of the fire hydrant are reduced. Be provided with the heat preservation between protection component and fire hydrant, make the water in the fire hydrant be difficult to freeze like this, the fire hydrant is also difficult to break, also conveniently opens during the use.

Description

Overground antifreezing fire hydrant

Technical Field

The utility model relates to a fire-fighting equipment technical field, in particular to aboveground fire hydrant that prevents frostbite.

Background

The fire hydrant mainly has the functions of controlling combustibles, isolating comburants and eliminating fire sources. In winter, the outdoor temperature is very low, particularly the temperature in winter in the north is lower, water in the fire hydrant is almost in a static state, the water in the fire hydrant is easy to freeze at low temperature, and the water in the fire hydrant can freeze to cause two results, namely, when fire is needed to be extinguished urgently, the fire hydrant cannot be opened due to freezing, and the fire hydrant cannot be used directly; and secondly, water turns into ice to expand, so that the fire hydrant is easy to break. Meanwhile, the fire hydrant arranged on the ground is easy to collide, and potential safety hazards can appear after the fire hydrant is collided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide an overground antifreezing fire hydrant.

The purpose of the utility model is realized through the following technical scheme:

the overground anti-freezing fire hydrant comprises a fire hydrant pipe, a fire hydrant head, an adjusting pipe, a fire hydrant main valve and a protection assembly, wherein the fire hydrant head is arranged at the upper end of the fire hydrant pipe, the fire hydrant pipe is connected with one end of the adjusting pipe, the other end of the adjusting pipe is connected with one end of the fire hydrant main valve, the other end of the fire hydrant main valve is connected with a water source through a water supply pipe, and the protection assembly is arranged at the outer sides of the fire hydrant pipe and the fire hydrant head;

the protective assembly comprises a protective pipe, a protective plate and a protective cap, the protective pipe is sleeved on the outer side of the fire hydrant pipe, the protective plate is fixedly arranged at the upper end of the protective pipe, the protective plate is arranged on the lower side of the fire hydrant head, the protective cap used for protecting the fire hydrant head is arranged on the upper side of the protective plate, and a heat insulation layer is filled between the inner wall of the protective pipe and the outer wall of the fire hydrant pipe;

the lower end of the hydrant pipe, the lower end of the protective pipe, the adjusting pipe, the hydrant main valve and the water supply pipe are all buried in a soil layer.

Furthermore, a plurality of reinforcing ribs are arranged on the outer side surface of the protective pipe, and the reinforcing ribs extend to be flush with the lower end of the protective pipe.

Further, two adjacent reinforcing ribs are connected through a connecting plate.

Furthermore, a limiting protrusion used for fixing the protective cap is arranged on the upper surface of the protective plate.

Furthermore, a groove matched with the limiting protrusion is arranged on the protective cap.

Further, a handle of the fire hydrant main valve is opened and closed and extends to the upper side of the outer surface of the soil layer after penetrating through the soil layer.

Further, a handle for lifting the protective cap is arranged on the upper side of the protective cap.

Furthermore, the heat-insulating layer is made of expanded perlite.

Furthermore, the fire hydrant main valve with be provided with the return bend between the governing pipe, the return bend with through flange joint between the governing pipe, the governing pipe with through flange joint between the fire hydrant pipe.

Furthermore, the limiting protrusion is an annular convex ring, and the groove is an annular groove.

The utility model has the advantages that:

1) the outside at this fire hydrant is provided with protection component, and protection component can play the guard action when the fire hydrant is hit, reduces the potential safety hazard of fire hydrant. Simultaneously, be provided with the heat preservation between protection component and fire hydrant, make the water in the fire hydrant be difficult to freeze like this, the fire hydrant is also difficult to break, also conveniently opens when urgently needing to use moreover.

2) In the protection component, the upside of guard plate is provided with cyclic annular bulge loop, and is provided with annular groove on the helmet, can prevent like this that the low temperature air from entering into the inside of helmet through the gap between helmet and the guard plate effectively, further increases the frostproofing effect of fire hydrant.

3) In low temperature areas, a portion of the earthen layer is also frozen and the protective component extends into the earthen layer so that this portion of the hydrant pipe does not freeze.

Drawings

FIG. 1 is a schematic view of the present anti-freeze hydrant;

FIG. 2 is a schematic view of the cross-sectional structure A-A of FIG. 1;

FIG. 3 is a schematic structural diagram of a guard plate;

in the figure, 1-hydrant pipe, 2-hydrant head, 3-adjusting pipe, 4-hydrant main valve, 5-water supply pipe, 6-protective pipe, 7-protective plate, 8-protective cap, 9-heat-insulating layer, 10-soil layer, 11-reinforcing rib, 12-connecting plate, 13-limiting bulge, 14-groove, 15-handle, 16-handle, 17-elbow and 18-through hole.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

the overground antifreezing fire hydrant comprises a fire hydrant pipe 1, a fire hydrant head 2, an adjusting pipe 3, a fire hydrant main valve 4 and a protection assembly, wherein the fire hydrant head 2 is arranged at the upper end of the fire hydrant pipe 1, the fire hydrant pipe 1 is connected with one end of the adjusting pipe 3, the other end of the adjusting pipe 3 is connected with one end of the fire hydrant main valve 4, the other end of the fire hydrant main valve 4 is connected with a water source through a water supply pipe 5, and the protection assembly is arranged at the outer sides of the fire hydrant pipe 1 and the fire hydrant head 2; the protection component includes protecting tube 6, guard plate 7 and helmet 8, 6 covers in the 1 outside of fire hydrant pipe of protecting tube 6, 7 fixed upper ends that set up at protecting tube 6 of guard plate, 7 settings of guard plate are at the downside of fire hydrant head 2, the upside of guard plate 7 is provided with the helmet 8 that is used for protecting fire hydrant head 2, it has heat preservation 9 to fill between the inner wall of protecting tube 6 and the outer wall of fire hydrant pipe 1, the lower extreme of protecting tube 6, regulating tube 3, fire hydrant main valve 4 and delivery pipe 5 all bury in soil horizon 10. The heat-insulating layer 9 is made of expanded perlite, which is a material commonly used in the prior art and having a low price, and can also be made of other materials in the prior art. In different places, the main valve 4 of the fire hydrant is in different depths in the soil layer 10, the fire hydrant head 2 part must be arranged on the ground, so the adjusting pipe 3 is arranged in the middle, and the adjusting pipe 3 can be made into various models and different lengths. An elbow 17 is arranged between the fire hydrant main valve 4 and the adjusting pipe 3, the elbow 17 is connected with the adjusting pipe 3 through a flange, and the adjusting pipe 3 is connected with the fire hydrant pipe 1 through a flange. Because the adjusting pipe 3 does not need to be frequently disassembled and assembled after being buried in the soil layer 10, the two ends of the adjusting pipe 3 are connected through flanges and fixed through bolts. The main fire hydrant valve 4 is provided for the purpose of facilitating the maintenance of the hydrant head 2, and since the hydrant head 2 is frequently used, the sealing effect is not good, and the main fire hydrant valve 4 can be used for switching on and off the water flow on the water supply pipe 5 during maintenance. The lower end of the hydrant pipe 1, the lower end of the protective pipe 6, the adjusting pipe 3, the hydrant main valve 4 and the water feeding pipe 5 are all buried in the soil layer 10 for freezing prevention and collision prevention, in a low-temperature area, a part of the soil layer 10 can be frozen, and the protective assembly extends into the soil layer 10, so that the part of the hydrant pipe 1 cannot be frozen and frozen. The provision of the elbow 17 assists the hydrant in providing a rapid flow of water when in use.

Preferably, a plurality of reinforcing ribs 11 are arranged on the outer side surface of the protective pipe 6, and the reinforcing ribs 11 extend to be flush with the lower end of the protective pipe 6. Two adjacent reinforcing ribs 11 are connected through a plurality of connecting plates 12. The reinforcing ribs 11 and the connecting plate 12 are arranged to enable the protection assembly to be firmer, and when the fire hydrant is collided, a better protection effect can be provided for the fire hydrant. While the lower ends of the reinforcing bars 11 are also disposed in the soil layer 10 and fixed to the soil layer 10 by concrete.

Preferably, a limiting protrusion 13 for fixing the helmet 8 is provided on the upper surface of the protection plate 7. The protective cap 8 is provided with a groove 14 matched with the limiting bulge 13. The limiting protrusion 13 is an annular convex ring, and the groove 14 is an annular groove. Be provided with in the middle part of guard plate 7 with fire hydrant pipe 1 complex through-hole 18, the upside of guard plate 7 is provided with cyclic annular bulge loop, and is provided with annular groove on the helmet 8, can prevent like this that the low temperature air from entering into the inside of helmet through the gap between helmet 8 and the guard plate 7 effectively, further increases the frostproofing effect of fire hydrant. The protective cap 8 can be cylindrical or square, if the wind can be better prevented, the upper part of the protective cap 8 is small, and the contact part with the protective plate 7 is large, so that the outer side surface of the protective cap 8 is an inclined surface, and finally the protective cap 8 in the shape of a frustum is formed.

Preferably, the handle 15 of the main valve 4 of the switch hydrant extends to the upper side of the outer surface of the soil layer 10 after passing through the soil layer 10. In order to conveniently drive the main valve 4 of the fire hydrant to realize the on-off function, the handle 15 is arranged on the upper side of the outer surface of the soil layer 10, so that the operation is convenient.

Preferably, the upper side of the helmet 8 is provided with a handle 16 for lifting the helmet 8. The handle 16 is arranged, so that the protective cap 8 can be conveniently installed and taken down, the protective cap 8 is directly buckled on the upper surface of the protective plate 7, other connecting structures are not needed to be arranged in the middle, and loose-leaf connection can be arranged on one side of the protective cap 8 as long as the protective cap 8 is convenient to open and close.

The outside at this fire hydrant is provided with protection component, and protection component can play the guard action when the fire hydrant is hit, reduces the potential safety hazard of fire hydrant. Simultaneously, be provided with the heat preservation between protection component and fire hydrant, make the water in the fire hydrant be difficult to freeze like this, the fire hydrant is also difficult to break, also conveniently opens when urgently needing to use moreover.

The foregoing is illustrative of the preferred embodiments of the present invention, and it is to be understood that the invention is not limited to the precise forms disclosed herein, and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the invention as defined by the appended claims. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims (10)

1. The overground antifreezing fire hydrant is characterized in that: the fire hydrant comprises a fire hydrant pipe (1), a fire hydrant head (2), an adjusting pipe (3), a fire hydrant main valve (4) and a protection assembly, wherein the fire hydrant head (2) is arranged at the upper end of the fire hydrant pipe (1), the fire hydrant pipe (1) is connected with one end of the adjusting pipe (3), the other end of the adjusting pipe (3) is connected with one end of the fire hydrant main valve (4), the other end of the fire hydrant main valve (4) is connected with a water source through a water feeding pipe (5), and the protection assembly is arranged at the outer sides of the fire hydrant pipe (1) and the fire hydrant head (2);

the protective assembly comprises a protective pipe (6), a protective plate (7) and a protective cap (8), the protective pipe (6) is sleeved on the outer side of the fire hydrant pipe (1), the protective plate (7) is fixedly arranged at the upper end of the protective pipe (6), the protective plate (7) is arranged on the lower side of the fire hydrant head (2), the protective cap (8) used for protecting the fire hydrant head (2) is arranged on the upper side of the protective plate (7), and a heat insulation layer (9) is filled between the inner wall of the protective pipe (6) and the outer wall of the fire hydrant pipe (1);

the lower end of the fire hydrant pipe (1), the lower end of the protective pipe (6), the adjusting pipe (3), the fire hydrant main valve (4) and the water delivery pipe (5) are all buried in a soil layer (10).

2. The above-ground antifreeze fire hydrant of claim 1, wherein: a plurality of reinforcing ribs (11) are arranged on the outer side surface of the protective pipe (6), and the reinforcing ribs (11) extend to be flush with the lower end of the protective pipe (6).

3. The above-ground antifreeze fire hydrant of claim 2, wherein: two adjacent reinforcing ribs (11) are connected through a plurality of connecting plates (12).

4. The above-ground antifreeze fire hydrant of claim 1, wherein: and a limiting bulge (13) used for fixing the protective cap (8) is arranged on the upper surface of the protective plate (7).

5. The above-ground antifreeze fire hydrant of claim 4, wherein: the protective cap (8) is provided with a groove (14) matched with the limiting bulge (13).

6. The above-ground antifreeze fire hydrant of claim 1, wherein: and a handle (15) for opening and closing the main valve (4) of the fire hydrant extends to the upper side of the outer surface of the soil layer (10) after penetrating through the soil layer (10).

7. The above-ground antifreeze fire hydrant of claim 1, wherein: the upper side of the protective cap (8) is provided with a handle (16) for lifting the protective cap (8).

8. The above-ground antifreeze fire hydrant of claim 1, wherein: the heat-insulating layer (9) is made of expanded perlite.

9. The above-ground antifreeze fire hydrant of claim 1, wherein: fire hydrant main valve (4) with be provided with return bend (17) between governing pipe (3), return bend (17) with through flange joint between governing pipe (3), governing pipe (3) with through flange joint between fire hydrant pipe (1).

10. The above-ground antifreeze fire hydrant of claim 5, wherein: the limiting protrusion (13) is an annular convex ring, and the groove (14) is an annular groove.

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