CN210302144U

CN210302144U - Water mist spray head for fire fighting

Info

Publication number: CN210302144U
Application number: CN201920889957.4U
Authority: CN
Inventors: 魏巍
Original assignee: Zhejiang Guangyu Construction Co Ltd
Current assignee: Zhejiang Guangyu Construction Co Ltd
Priority date: 2019-06-13
Filing date: 2019-06-13
Publication date: 2020-04-14
Anticipated expiration: 2029-06-13

Abstract

The utility model discloses a water smoke shower nozzle for fire control relates to a fire-fighting equipment, including shower nozzle body and filter, the shower nozzle body is including intaking end and water spray end, this internal atomizing structure that is provided with of shower nozzle, be provided with the hem on the filter, intake the end and seted up the entrance groove, the draw-in groove has been seted up on the lateral wall in entrance groove, the hem inserts behind the entrance groove to rotatory hem is gone into the draw-in groove with the hem card, accomplishes being connected of filter and shower nozzle body, atomizing structure includes two intercrossing's direction piece, the direction piece forms the runner of slope with the shower nozzle body, can play better atomization effect. This water smoke shower nozzle can conveniently follow the dismouting filter on the shower nozzle body, and connect firmly, and the reliability is high, and fire control effect is better.

Description

Water mist spray head for fire fighting

Technical Field

The utility model relates to a fire-fighting equipment, especially a water smoke shower nozzle for fire control.

Background

The water spray nozzle for fire fighting is one of the components in the fire fighting system, and is generally installed on the wall surface or the ceiling, and the water inlet end of the nozzle is communicated with a fire fighting water pipeline. When a fire disaster happens, the fire extinguishing system controls the fire-fighting water pipeline to be communicated with water, and the spray head atomizes the water and sprays the water in a large range to extinguish the fire.

The utility model discloses a chinese utility model patent that has bulletin number CN2613319Y discloses a thin water smoke shower nozzle, including the connector, the connector both ends are provided with respectively and are used for the thin water smoke nozzle of blowout water, are used for filtering the filter screen of fire water, are provided with in the thin water smoke nozzle to be used for the atomizing structure with water, adopt interference fit to be connected between filter screen and the connector.

The above prior art solutions have the following drawbacks: if rubbish such as floe in the fire-fighting water passes through the hole of filter screen and gets into in the shower nozzle, because the passageway of atomizing structure is thinner, rubbish probably blocks up the shower nozzle, nevertheless is difficult to pull down with connector interference fit's filter screen, leads to the maintenance inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a not enough to prior art exists, the utility model aims to provide a water smoke shower nozzle for fire control can conveniently follow the dismouting filter on the shower nozzle body.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a water smoke shower nozzle for fire control, includes shower nozzle body and filter, and the shower nozzle body is including intaking end and water spray end, this internal atomizing structure that is provided with of shower nozzle, be provided with the hem on the filter, intake the end and seted up the entrance groove, the draw-in groove has been seted up on the lateral wall in entrance groove, the hem inserts behind the entrance groove to rotatory hem is gone into the hem card in the draw-in groove, accomplishes being connected of filter and shower nozzle body.

Through the technical scheme, the installation of the water mist spray head for fire fighting is completed by inserting the water inlet end into the fire fighting pipeline, when the water mist spray head for fire fighting works, water flow with high water pressure flows through the fire fighting pipeline, the filter can prevent most of garbage in fire fighting water from entering the spray head body, the fire fighting water is atomized by the atomization structure after entering the spray head body and then reaches the water spray end to be sprayed out for fire fighting, when the filter is installed on the spray head body, the folded edge is inserted into the inlet groove, then the filter is rotated and clamped into the clamping groove to complete the installation, because the filter is rotatably connected with the spray head body, and the force of the water flow acting on the filter is difficult to form a rotating torque, the filter is difficult to separate from the spray head body, when the filter needs to be detached, the filter is only required to be reversely screwed from the spray head body, the folded edge rotates out from the clamping groove, then, the filter can clear up the rubbish of card in the shower nozzle body after separating with the shower nozzle body.

Preferably, the annular has been seted up to the end of intaking, the groove depth of annular is the same with the groove depth of entry groove, install the elastic ring in the annular, the filter is installed on the elastic ring, the elastic ring is used for supporting the hem tightly in the draw-in groove.

Through above-mentioned technical scheme, when installing the filter on the shower nozzle body, insert the hem into the entrance slot after, further press the filter, the elastic ring is flattened by the terminal surface of filter, makes the hem just to the draw-in groove, and rotatory filter this moment loosens the filter after going into the draw-in groove with the hem card, then the filter kick-backs under the elastic force effect of elastic ring, supports the hem tightly in the draw-in groove, makes the filter more firm with being connected of shower nozzle body.

Preferably, the wall surface of the clamping groove close to the water inlet end is provided with a positioning groove, and after the folded edge is completely clamped into the clamping groove, the folded edge is right opposite to the positioning groove.

Through above-mentioned technical scheme, go into the draw-in groove with the hem card and make the hem just to the constant head tank, then loosen the filter, then the filter kick-backs under the elastic force of elasticity circle, makes the hem get into in the constant head tank, then forms the auto-lock between filter and the shower nozzle body, has reduced the probability that the filter deviate from the shower nozzle body.

Preferably, the water inlet end comprises an external thread section, and a screwing head convenient for an external wrench to screw is arranged between the external thread section and the water spraying end.

Through above-mentioned technical scheme, when installing this water smoke shower nozzle for fire control, only need to have the internal thread interface that matches with the external screw thread section on the fire-fighting pipeline, twist the external screw thread section on the corresponding interface of fire-fighting pipeline to twist with the spanner and move the twisting head, reliably tighten the shower nozzle body, accomplish the installation.

Preferably, the atomizing structure comprises two guide plates which are crossed with each other, and the guide plates and the nozzle body form an inclined flow channel.

Through above-mentioned technical scheme, when fire water flows through from atomizing structure fast, the flow direction is compelled to take place to change when the runner through the slope, then the inner wall of high-speed rivers and direction piece, shower nozzle body strikes each other and forms atomization effect.

Preferably, the position of the nozzle body close to the water spraying end is provided with a water spraying hole with the inner diameter smaller than the inner diameter of the opening of the water spraying end, and the inner diameters of the through holes on the two sides of the water spraying hole are gradually increased along the direction far away from the water spraying hole.

Through above-mentioned technical scheme, the axis of the partly follow hole for water spraying blowout of fire water after the atomizing along the shower nozzle body, other parts move along the preceding conical wall of hole for water spraying to spout with the form of diffusion in the final follow hole for water spraying, two strands of fire water fog combined action can put out a fire to great scope.

Preferably, the material of the filter is copper.

Through above-mentioned technical scheme, because the filter is located the fire control pipeline, so the humidity near the filter is great, if the filter rusts then probably arouses the filtration pore to block up, makes the internal water yield of entering shower nozzle decline to weaken the fire control effect, and copper's filter is difficult to rust, has reduced the rust risk of blockking up of filter.

Preferably, the surface of the nozzle body is plated with chrome.

Through the technical scheme, the surface of the chromium-plated spray head body has higher hardness, the spray head body is not easy to damage when being disassembled and assembled, and the chromium-plated spray head body can play a better antirust role.

To sum up, the utility model discloses the beneficial effect who contrasts in prior art does:

1. the fire-fighting water mist spray head can conveniently disassemble and assemble the filter from the spray head body;

2. the filter is stably connected with the nozzle body, and the reliability is high;

3. the fire-fighting water mist spray head has good fire-fighting effect.

Drawings

FIG. 1 is an axial cross-sectional view of an embodiment of a fire fighting water mist head, mainly highlighting the internal structure of the fire fighting water mist head;

FIG. 2 is an exploded view of an embodiment, mainly highlighting the external structure of a water mist head for fire fighting;

fig. 3 is a partial view of the embodiment, mainly highlighting the connection structure of the nozzle body and the filter.

In the figure, 1, a nozzle body; 2. a filter; 11. a water inlet end; 12. a water spraying end; 13. an atomizing structure; 14. an external threaded section; 15. screwing the head; 16. a water spray hole; 131. a guide piece; 130. connecting sheets; 132. a flow channel; 133. a notch; 111. a ring groove; 113. an inlet tank; 114. a card slot; 115. positioning a groove; 3. an elastic ring; 21. a filtration pore; 22. and (7) folding edges.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, a water mist spray head for fire fighting comprises a spray head body 1 and a filter 2, wherein the spray head body 1 comprises a water inlet end 11 and a water spray end 12, the filter 2 is installed in the water inlet end 11, and an atomization structure 13 is arranged in the spray head body 1. Fire water enters into shower nozzle body 1 through intaking end 11 after 2 filters of filter, then atomizes through atomizing structure 13, finally puts out a fire from the blowout of water spray end 12.

The shower nozzle body 1 is the cylinder structure that both ends link up, and shower nozzle body 1 includes near the external screw thread section 14 of intaking end 11, sets up the screw head 15 between external screw thread section 14 and water spray end 12, and wherein screw head 15 is regular hexagon cylinder. The position that the shower nozzle body 1 is close to water spray end 12 is equipped with the hole for water spraying 16 that the internal diameter is less than water spray end 12 opening internal diameter, and the internal diameter of the through-hole of hole for water spraying 16 both sides all increases gradually along the direction of keeping away from hole for water spraying 16, and hole for water spraying 16 passes through the through-hole and communicates with the opening of water spray end 12. The surface of the nozzle body 1 is subjected to chromium plating treatment, so that the hardness is high.

As shown in fig. 1 and 2, the atomizing structure 13 includes two semicircular guide blades 131, the two guide blades 131 are crossed with each other and connected together by a connecting plate 130 disposed therebetween, and the connecting plate 130 is a triangular plate. The arc parts of the two guide pieces 131 are fixed on the inner wall of the nozzle body 1, the two guide pieces 131 are both arranged obliquely relative to the axis of the nozzle body 1, and the two guide pieces 131 and the nozzle body 1 form two oblique flow passages 132 respectively. The two guide pieces 131 are provided with notches 133 at positions close to the intersection.

When the fire water flows through the atomizing structure 13 rapidly, a part of the fire water can directly pass through the notch 133, the flow direction of other fire water is forced to change when passing through the two inclined flow passages 132, and then the atomization of the fire water is completed by the mutual impact of the high-speed water flows of the multiple strands with the guide piece 131 and the inner wall of the nozzle body 1.

As shown in fig. 3, a ring groove 111 is formed at the mouth of the water inlet end 11, the inner diameter of the ring groove 111 is larger than the inner diameter of the nozzle body 1, and an elastic ring 3 matched with the ring groove 111 is installed in the ring groove 111. The mouth of the water inlet end 11 is further provided with two inlet grooves 113 with the same depth as the annular groove 111, the two inlet grooves 113 are symmetrical about the axis of the nozzle body 1 and are arranged at positions close to the inner wall of the nozzle body 1, and the two inlet grooves 113 communicate the inner cavity of the nozzle body 1 with the space in the annular groove 111. The side walls of the bottoms of the two inlet grooves 113 are provided with clamping grooves 114, and the arrangement directions of the clamping grooves 114 are the same direction rotating around the axis of the sprayer body 1. The wall surface of the locking groove 114 close to the water inlet end 11 is provided with a positioning groove 115.

As shown in fig. 2 and 3, the filter 2 is a thin-walled cylinder with one end open, and the filter 2 is made of copper and is not easy to rust. The outer diameter of the cylinder of the filter 2 is the same as the outer diameter of the ring groove 111, the closed end of the filter 2 is in round smooth transition through a round angle, a plurality of filter holes 21 are uniformly formed in the surface of the filter 2, and the filter holes 21 are communicated with the inner cavity of the filter 2. Two folding edges 22 are symmetrically arranged at the opening end of the filter 2, and the two folding edges 22 are respectively bent towards the central line direction of the filter 2.

When the filter 2 is assembled, the two beads 22 are aligned with the two inlet grooves 113, respectively, and then the filter 2 is inserted and the beads 22 are inserted into the inlet grooves 113. Then pressing filter 2, elastic ring 3 is squashed by the terminal surface of filter 2, and hem 22 just is just right to draw-in groove 114 this moment, rotates filter 2 this moment, with hem 22 the complete card in draw-in groove 114, make hem 22 right to the position of constant head tank 115. Then, the filter 2 is released, and the filter 2 rebounds under the elastic force of the elastic ring 3, and the folded edge 22 enters the positioning groove 115, thereby fixing the filter 2.

When the filter 2 needs to be detached, the filter 2 is pressed towards the nozzle body 1, the filter 2 overcomes the elasticity of the elastic ring 3 and further moves a small distance towards the nozzle body 1, and the folded edge 22 is separated from the positioning groove 115. Then the filter 2 is unscrewed, the folding edge 22 rotates out from the clamping groove 114, the folding edge 22 is right opposite to the inlet groove 113, at the moment, the filter 2 is pulled out, and the separation of the filter 2 and the spray head body 1 can be finished. The filter 2 can clear up the rubbish of card in the shower nozzle body 1 after separating with the shower nozzle body 1.

When the water mist spray head for fire fighting is installed, an internal thread connector matched with the external thread section 14 is required to be arranged on a fire fighting pipeline. And screwing the external thread section 14 into a corresponding connector of the fire-fighting pipeline, and screwing the screwing head 15 by using a wrench to reliably screw the nozzle body 1 to finish installation.

When the fire fighting water pipe works, water with high water pressure flows through the fire fighting pipeline. Since the water quality of general fire-fighting water is worse than that of tap water, garbage may be mixed in the fire-fighting water, and at this time, the filter 2 can prevent most of the garbage from entering the nozzle body 1. The fire water enters the nozzle body 1, is atomized by the atomization structure 13, and then reaches the water spraying end 12. Part of the atomized fire water is sprayed from the water spraying hole 16 along the axis of the nozzle body 1, the other part of the atomized fire water moves along the front conical wall surface of the water spraying hole 16 and is finally sprayed out of the water spraying hole 16 in a diffused mode, and the two fire water mists act together to extinguish fire in a wide range.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a water smoke shower nozzle for fire control, includes shower nozzle body (1) and filter (2), and shower nozzle body (1) is including intaking end (11) and water spray end (12), be provided with atomizing structure (13), characterized by in shower nozzle body (1): the filter is characterized in that a folding edge (22) is arranged on the filter (2), an inlet groove (113) is formed in the water inlet end (11), a clamping groove (114) is formed in the side wall of the inlet groove (113), the folding edge (22) is inserted into the inlet groove (113) and then is rotated to enable the folding edge (22) to be clamped into the clamping groove (114), and connection of the filter (2) and the sprayer body (1) is completed.

2. A fire fighting water mist head as defined in claim 1, wherein: ring groove (111) have been seted up in end of intaking (11), the groove depth of ring groove (111) is the same with the groove depth of entry groove (113), install elasticity circle (3) in ring groove (111), install on elasticity circle (3) filter (2), elasticity circle (3) are used for supporting hem (22) tightly in draw-in groove (114).

3. A fire fighting water mist head as defined in claim 2, wherein: the wall surface of the clamping groove (114) close to the water inlet end (11) is provided with a positioning groove (115), and after the folded edge (22) is completely clamped into the clamping groove (114), the folded edge (22) can be embedded with the positioning groove (115).

4. A fire fighting water mist head as defined in claim 1, wherein: the water inlet end (11) comprises an external thread section (14), and a screwing head (15) which is convenient for an external wrench to screw is arranged between the external thread section (14) and the water spraying end (12).

5. A fire fighting water mist head as defined in claim 1, wherein: the atomizing structure (13) comprises two guide sheets (131) which are crossed with each other, and the guide sheets (131) and the spray head body (1) form an inclined flow channel (132).

6. A fire fighting water mist head as defined in claim 1, wherein: the spray head comprises a spray head body (1), wherein a position, close to a water spraying end (12), of the spray head body (1) is provided with a water spraying hole (16) with the inner diameter smaller than the inner diameter of an opening of the water spraying end (12), and the inner diameters of through holes on two sides of the water spraying hole (16) are gradually increased along the direction far away from the water spraying hole (16).

7. A fire fighting water mist head as defined in claim 1, wherein: the material of the filter (2) is copper.

8. A fire fighting water mist head as defined in claim 1, wherein: the surface of the spray head body (1) is plated with chrome.