CN210020934U

CN210020934U - Fire control shower nozzle

Info

Publication number: CN210020934U
Application number: CN201920678526.3U
Authority: CN
Inventors: 周志龙; 杨奇峰
Original assignee: NINGBO MINGYANG STAINLESS STEEL PIPE Co Ltd
Current assignee: NINGBO MINGYANG STAINLESS STEEL PIPE Co Ltd
Priority date: 2019-05-13
Filing date: 2019-05-13
Publication date: 2020-02-07
Anticipated expiration: 2029-05-13

Abstract

A fire control nozzle comprises a hollow nozzle body and a sealing ring arranged inside the nozzle body, the nozzle body is integrally formed and comprises an injection part positioned at the top, the injection part consists of a hollow hemisphere and a tubular body extending along the edge of the hollow hemisphere, a plurality of through holes are uniformly formed in the wall surface of the hollow hemisphere of the injection part, the end surface, far away from the hollow hemisphere, of the injection part extends to form a conical part, the conical part is of a conical thin-wall structure, the end surface, far away from the injection part, of the conical part extends to form a pipe body, the pipe body structure is a hollow cylinder, a first convex ring and a second convex ring are arranged on the pipe body at intervals, concave parts matched with the sealing ring are circumferentially arranged inside the first convex ring and the second convex ring, and the sealing rings are respectively clamped; the utility model adopts double clamping and pressing type to connect with the pipeline, and the connection is firm; leakage protection is realized through radial contraction and clasping of the rubber O-shaped ring, and the sealing effect is good; the pipeline is mainly used for connecting a pipeline filled with dust fire extinguishing materials on a fire fighting vehicle.

Description

Fire control shower nozzle

Technical Field

The utility model relates to a fire-fighting equipment technical field especially relates to a fire control shower nozzle.

Background

When fighting fire caused by flammable liquid such as petroleum, organic solvent and the like, dry powder is often adopted by fire-fighting vehicles to extinguish fire; the traditional spray head is mostly connected by threads, so that when the pressure in the pipeline is high, the spray head is easy to separate, and potential safety hazards exist; meanwhile, in the fire burning environment, the common threaded connection is easy to deform, so that the leakage at the connection part of a pipeline and a spray head is easy to cause, and the fire extinguishing efficiency is influenced; in addition, in the face of a complex accident site, various vibrations and collisions can occur, the connecting effect of the common fire-fighting nozzle cannot meet the requirement for sufficient tensile and compressive strength, and a fire-fighting nozzle with better sealing effect is needed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a fire control shower nozzle for because the great or higher seepage problem that arouses of ambient temperature of pipeline internal pressure when being connected with the pipeline in order to solve traditional shower nozzle.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

a fire control spray head comprises a hollow spray head body and a sealing ring arranged in the spray head body, the spray head body is integrally formed and comprises a spray part positioned at the top, the spray part consists of a hollow hemisphere and a tubular body extending along the edge of the hollow hemisphere, a plurality of through holes are uniformly arranged on the wall surface of the hollow hemisphere of the injection part, a conical part extends from the end surface of the injection part far away from the hollow hemisphere, the conical part is a conical thin-wall structure, a pipe body extends from the end surface of the conical part far away from the injection part, the pipe body structure is a cylinder with a hollow inner part, a first convex ring and a second convex ring are arranged on the pipe body at intervals, the first convex ring and the second convex ring are circumferentially provided with concave parts matched with the sealing rings, and the sealing rings are respectively clamped in the concave parts.

Further, the through-hole includes a circular through-hole at the center of the injection part and a plurality of elliptical through-holes provided around the circular through-hole.

Further, the pipe body diameter is larger than the injection part.

Furthermore, the spray head body is made of stainless steel.

Further, the sealing washer is O type circle, the sealing washer is the rubber material.

Compared with the prior art, the fire-fighting nozzle of the utility model adopts double clamping pressure type to connect with the pipeline, has firm connection and excellent tensile pressure resistance, can bear larger pressure intensity of the pipeline and ensure the quick output of the fire-fighting material; leakage protection is realized by radial contraction and clasping of the rubber O-shaped ring, and a good sealing effect is achieved; meanwhile, due to excellent high-temperature resistance, the material is suitable for fire fighting and other use scenes with complex environment; in addition, the cambered surface on the spraying part is provided with through holes in multiple directions, so that the fire extinguishing material is sprayed uniformly, and the fire extinguishing efficiency is improved; the utility model discloses fire control shower nozzle mainly used connects the inside pipeline that fills dust fire extinguishing material on fire engine, like the dry powder, also can be applicable to other dry powder extinguishing device, and product overall design is reasonable, has fine practicality.

Drawings

Fig. 1 is a front view of the fire sprinkler of the present invention.

Fig. 2 is a cross-sectional view of the plane a-a of the fire sprinkler of the present invention.

Fig. 3 is a schematic perspective view of the fire sprinkler of the present invention.

Fig. 4 is a top view of the fire sprinkler of the present invention.

Description of reference numerals:

1-a spray head body; 11-a spraying section; 111-a via; 12-a conical section; 13-a tube body; 14-a first convex ring; 15-a second convex ring; 2-sealing ring;

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 4, the utility model discloses fire sprinkler includes inside hollow sprinkler body 1 and sets up the sealing washer 2 in sprinkler body 1 inside, sprinkler body 1 is integrated into one piece, sprinkler body 1 is including the injection portion 11 that is located the top, injection portion 11 comprises hollow hemisphere and the siphonozooid that extends along hollow hemisphere edge, a plurality of through-holes 111 have evenly been seted up on the hollow hemisphere wall, the arrangement of through-hole 111 has a circular through-hole in the middle of the hollow hemisphere, through-hole 111 includes the circular through-hole that is located the center of injection portion 11 and encircles five oval through-holes that circular through-hole set up; a conical part 12 extends from the end surface of the injection part 11 far away from the hollow hemisphere; the conical part 12 is a conical thin-wall structure and is used for connecting the injection part 11 with a pipe body 13 with a diameter larger than that of the injection part 11, the pipe body 13 is a hollow cylinder, first convex rings 14 and second convex rings 15 are arranged on the pipe body 13 at intervals, concave parts matched with the sealing rings 2 are circumferentially arranged in the first convex rings 14 and the second convex rings 15, the sealing rings 2 are respectively clamped in the concave parts, the sealing rings 2 are O-shaped annular bodies, and the sealing rings 2 can effectively prevent dust from leaking out of a gap between a spray head and the outer wall of a pipeline; the spray head body 1 is made of stainless steel, and the sealing ring 2 is made of rubber; in addition, the spray head body 1 may be provided with more than two convex rings for enhancing the sealing effect.

When connecting fire hose and fire control shower nozzle, select the fire control shower nozzle that corresponds with fire hose size earlier, whether inspection fire control shower nozzle inner seal 2 shifted, mark bellmouth degree of depth mark with the marking pen on the fire hose, slowly insert the fire hose fire control shower nozzle until the depth of insertion coincide basically with the marking mark, put the circular salient position of fire control shower nozzle into the ring mould recess of corresponding specification, fix the jump ring with the ring mould and pin, in order to avoid dropping, then slide module and ring mould biography power locating pin installation around the hydraulic cylinder completely coincide, press superhigh pressure electric oil pump switch, start the card to press, the card is pressed to close about one third in the clearance, pause card is pressed, press superhigh pressure electric oil pump switch and begin the pressure release, rotatory ring mould card is pressed the position about 30 degrees, continue to pressurize. The clamping pressure is suspended when the clamping pressure is about three-half of the closed gap, the ultrahigh-pressure electric oil pump switch is pressed to start pressure relief, the clamping pressure position of the rotary ring die is about 30 degrees, the clamping pressure operation is continued until the gap of the ring die module is completely closed, and the clamping pressure is finished; after the clamping pressure, the gaps between the first convex ring 14 and the second convex ring 15 and the outer wall of the pipeline are reduced, the sealing ring 2 is deformed by the extrusion force, the pipe body 13 is more attached to the pipeline, and the sealing property is enhanced.

The spray head body 1 is mainly used in a scene of filling a pipeline of dust fire extinguishing material, such as dry powder, in a fire-fighting vehicle, and can also be applied to other dry powder fire extinguishing devices; the through holes 111 arranged in all directions of the spraying part 11 enable the fire extinguishing material to be uniformly dispersed, so that the fire extinguishing effect is better; in addition, the double-clamping-pressure type connection is adopted, so that the connection is firmer, the high-temperature resistance is realized, the sealing performance is better, and the fire-fighting fire-extinguishing device is particularly suitable for fire-fighting fire-extinguishing scenes.

Finally, it should be noted that: the above embodiments are merely illustrative of the technical solutions of the present invention, and not limitative thereof; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A fire control shower nozzle which characterized in that: the fire-fighting nozzle comprises a hollow nozzle body (1) and a sealing ring (2) arranged inside the nozzle body (1), the nozzle body (1) is integrally formed, the nozzle body (1) comprises an injection part (11) positioned at the top, the injection part (11) consists of a hollow hemisphere and a tubular body extending along the edge of the hollow hemisphere, a plurality of through holes (111) are uniformly formed in the wall surface of the hollow hemisphere of the injection part (11), a conical part (12) extends from the end surface of the injection part (11) far away from the hollow hemisphere, the conical part (12) is of a conical thin-wall structure, a pipe body (13) extends from the end surface of the conical part (12) far away from the injection part (11), the pipe body (13) is a hollow cylinder inside, and a first convex ring (14) and a second convex ring (15) are arranged on the pipe body (13) at intervals, the first convex ring (14) and the second convex ring (15) are internally and circumferentially provided with concave parts matched with the sealing rings (2), and the sealing rings (2) are respectively clamped in the concave parts.

2. Fire sprinkler according to claim 1, characterised in that the through hole (111) comprises a circular through hole in the centre of the sprinkler part (11) and a number of oval through holes arranged around the circular through hole.

3. Fire sprinkler according to claim 1, characterised in that the pipe body (13) has a larger diameter than the spraying part (11).

4. Fire sprinkler according to claim 1, characterized in that the sprinkler body (1) is of stainless steel material.

5. A fire sprinkler according to claim 1, characterised in that the sealing ring (2) is an O-ring, the sealing ring (2) being of rubber material.