CN222605274U - Marine high-pressure water mist spray head connecting device - Google Patents

Abstract

The utility model provides a marine high-pressure water mist nozzle connection device, including a spiral coil, a nozzle, a ferrule nut and a clamping ring. The spiral coil is located at the end of the spray pipeline and is formed by spiral bending of the spray pipeline. The water outlet end of the spiral coil passes through the ferrule nut and the clamping ring located on the inner side of the ferrule nut in sequence, and then extends into the inner cavity of the water inlet end of the nozzle. The outer wall of the water inlet end of the nozzle is threadedly connected with the ferrule nut through an external threaded portion, and the clamping ring forms a seal on the outer side of the spiral coil after being compressed. While ensuring the original function of the high-pressure hose, the utility model reduces the number of joints, improves the reliability of the system, and does not require purchased parts, saving the cost of the entire system.

Description

Marine high-pressure water mist spray head connecting device

Technical Field

The utility model relates to the technical field of marine pipelines, in particular to a marine high-pressure water mist spray head connecting device.

Background

Because of the fire control requirement of the class society, a high-pressure water mist system needs to be arranged in a passenger area, and meanwhile, in order to ensure the attractive appearance and the spraying fire extinguishing effect, a spray head of the high-pressure water mist system needs to be arranged in the center of a ceiling.

During construction, construction errors often exist between the tail end of the installed spray pipeline and the spray nozzle mounting port in the center of the ceiling, in order to correct the errors, the high-pressure hose is adopted to connect the spray nozzle with the tail end of the spray pipeline, and as the movable joints are adopted at the two ends of the high-pressure hose, which are connected with the spray nozzle and the spray pipeline, in the high-pressure water mist system of the whole ship, the number of the joints is doubled relative to the number of the spray nozzle, so that the leakage risk of the system is increased, and meanwhile, compared with the common pipeline, the high-pressure hose is high in price, and the installation cost of the whole high-pressure water mist system is increased.

Disclosure of utility model

In order to solve the defects in the prior art, the utility model provides the marine high-pressure water mist spray head connecting device, which reduces the number of joints, improves the reliability of a system, cancels the installation of a high-pressure hose and saves the cost of the whole system.

The technical scheme is that the marine high-pressure water mist spray head connecting device comprises a spiral coil, a spray head, a clamping sleeve nut and a clamping ring, wherein the spiral coil is positioned at the tail end of a spray pipeline and is formed by spirally bending the spray pipeline, the water outlet end of the spiral coil sequentially penetrates through the clamping sleeve nut and the clamping ring positioned at the inner side of the clamping sleeve nut and then stretches into an inner cavity of the water inlet end of the spray head, the outer wall of the water inlet end of the spray head is in threaded connection with the clamping sleeve nut through an external thread part, and a sealing piece at the outer side of the spiral coil is formed after the clamping ring is pressed. The end pipeline of the spray pipeline is coiled into the spiral coil pipe through the bending forming spiral pipe, so that the high-pressure hose in the prior art is replaced, the spiral part of the spiral coil pipe is elastic, the position of the spray head can be adjusted to an accurate position after the connection of the spiral coil pipe and the spray head is completed, the number of joints is reduced while the original function of the high-pressure hose is guaranteed, the reliability of the system is improved, the spiral coil pipe does not need to be purchased outwards, and the cost of the whole system is saved.

The clamping ring is characterized in that conical surfaces are arranged at two ends of the clamping ring, and clamping grooves and pressing grooves matched with the conical surfaces are respectively formed in the inner wall of the water inlet end of the spray head and the inner wall of the clamping sleeve nut. Under the threaded fit of the water inlet end of the spray head and the clamping sleeve nut, the clamping groove and the pressing groove apply extrusion force to the clamping ring, so that the inner cutting edge of the clamping ring is embedded into the outer wall of the spiral coil pipe, and the cut-in seal of the spiral coil pipe is formed.

The central axis of the spiral coil is perpendicular to the ceiling. The spiral coil is horizontally arranged between the ceiling and the deck, and the spiral coil has a larger diameter in a limited vertical space, so that the adjustability of the spray head is improved.

The diameter of the spiral coil pipe is 200-300mm, and the pitch of the spiral coil pipe is 20-30mm.

The number of turns of the spiral coil is 2-3.

The shower nozzle outside is fixed with the mounting panel, the mounting panel passes through bolt demountable installation in the ceiling top, and the centre gripping has buffer pad between mounting panel and the ceiling. The design of the buffer gasket can further buffer the impact force generated when the water mist is released.

The utility model has the beneficial effects that the tail end pipeline of the spray pipeline is bent and formed into the spiral coil pipe, so that the spiral part of the spiral coil pipe is replaced by a high-pressure hose in the prior art, the position of the spray head can be adjusted to an accurate position after the connection of the spiral coil pipe and the spray head is completed, the number of joints is reduced while the original function of the high-pressure hose is ensured, the reliability of the system is improved, the spiral coil pipe does not need to be purchased externally, and the cost of the whole system is saved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic illustration of the connection of a spray head to a spiral coil in accordance with the present utility model;

fig. 3 is a partial enlarged view of a in fig. 2.

The device comprises a reference numeral 1, a deck, 101, a pipeline bracket, 2, a ceiling, 3, a spray pipeline, 4, a spiral coil, 5, a spray head, 6, a clamping sleeve nut, 7, a clamping ring, 8, a mounting plate, 9 and a buffer gasket.

Detailed Description

In order to make the technical solution of the present utility model better understood by those skilled in the art, the following description is made in detail with reference to the accompanying drawings, and other embodiments obtained by those skilled in the art without making any inventive effort are all within the scope of the present utility model.

As shown in fig. 1-3, the utility model provides a marine high-pressure water mist spray head connecting device, which comprises a spiral coil 4, a spray head 5, a clamping sleeve nut 6 and a clamping ring 7, wherein the spiral coil 4 is positioned at the tail end of a spray pipeline 3 and is formed by spirally bending the spray pipeline 3, the water outlet end of the spiral coil 4 sequentially penetrates through the clamping sleeve nut 6 and the clamping ring 7 positioned at the inner side of the clamping sleeve nut 6 and then stretches into the inner cavity of the water inlet end of the spray head 5, the outer wall of the water inlet end of the spray head 5 is in threaded connection with the clamping sleeve nut 6 through an external thread part, and a sealing piece at the outer side of the spiral coil 4 is formed after the clamping ring 7 is pressed. In this embodiment, as shown in fig. 3, two ends of the snap ring 7 have tapered surfaces, and the inner wall of the water inlet end of the spray head 5 and the inner wall of the ferrule nut 6 are respectively provided with a clamping groove and a pressing groove which are matched with the tapered surfaces. Along with the threaded fit of the clamping sleeve nut 6 and the water inlet end of the spray head 5, the inner end surface of the clamping sleeve nut 6 and the water inlet end surface of the spray head 5 are close to each other until the clamping groove of the clamping sleeve nut 6 pushes the clamping ring 7 to move forward to the clamping groove of the water inlet end of the spray head 5, and the conical surface of the clamping ring 7 enables the inner cutting edge of the clamping ring 7 to be embedded into the outer wall of the spiral coil 4 under the fit action of the clamping groove, so that the cut-in seal of the spiral coil 4 is formed. The spiral coil 4 at the tail end of the spray pipeline 3 is directly spirally coiled and bent to form, a high-pressure hose in the prior art is replaced, only one connection point with the spray heads 5 is arranged on each spray head 5 connecting device, and compared with the prior art, the number of joints is reduced to half, thereby improving the reliability of the system, meanwhile, the spiral coil 4 can be formed by bending an operator on site by utilizing a tool, the operator does not need to purchase the equipment, the cost of the whole system is saved, the original function of the high-pressure hose can be ensured due to the elasticity of the spiral part of the spiral coil 4, namely, after the connection of the spiral coil 4 and the spray heads 5 is completed, the position of the spray heads 5 is adjusted to the position of the spray heads 5 of the ceiling 2, and the elasticity of the spiral coil 4 can buffer the impact force generated during the release of water mist.

It is further preferred that, since the spiral coil 4 is arranged together with the shower line 3 between the ceiling 2 and the deck 1, in order to have a larger diameter of the spiral coil 4 in a limited vertical space, thereby increasing the adjustable amplitude of the position of the spray head 5, the centre axis of the spiral coil 4 is perpendicular to the ceiling 2, i.e. the spiral coil 4 is arranged horizontally between the ceiling 2 and the deck 1. It is further preferred that the diameter of the spiral coil 4 is 200-300mm and the pitch is 20-30mm, and the number of turns of the spiral coil 4 is 2-3, in order to ensure sufficient elasticity of the spiral portion of the spiral coil 4.

As shown in fig. 2, the outside of the shower nozzle 5 is provided with a mounting plate 8 fixedly connected with the ceiling 2, in this embodiment, the mounting plate 8 is welded on the outer wall of the shower nozzle 5 and detachably mounted above the ceiling 2 by bolts, and a buffer gasket 9 is clamped between the mounting plate 8 and the ceiling 2. The impact force of the nozzle 5 on the ceiling 2 generated when the water mist is released is further buffered by the buffer pad 9.

When the technical scheme is implemented, the tail end of the pre-installed spray pipeline 3 is bent and formed, the spiral winding diameter and the spiral pitch are set, for example, the diameter is 250mm, the spiral pitch is 20mm, three circles are wound, the spray pipeline 3 is fixed on a pipeline support 101 below a deck 1, the water inlet end of a spray nozzle 5 is in sealing connection with the outlet end of a spiral coil 4 through a clamping sleeve nut 6 and a clamping ring 7, the pre-installation of the spray nozzle 5 before the installation of the ceiling 2 is realized, the pressure test of a high-pressure water mist system can be finished in advance, after the ceiling 2 is installed, the spray nozzle 5 is adjusted to the position of an installation opening of the spray nozzle 5 of the ceiling 2 under the elastic action of the spiral coil 4, the installation plate 8 on the outer side of the spray nozzle 5 is fixed with the ceiling 2 through bolts, and the reliability of the system is improved due to the fact that the number of interfaces is reduced by half compared with that of the prior art, and under the condition that a high-pressure hose (about 400-500 yuan/500 yuan) is not required to be purchased for the whole high-pressure water mist system of a project, 22-30 yuan can be saved, and has very high economic value.

Claims (6)

1. The utility model provides a marine high pressure water smoke shower nozzle connecting device, its characterized in that includes spiral coil pipe, shower nozzle, cutting ferrule nut and snap ring, spiral coil pipe is located the end of spraying the pipeline and by spraying pipeline spiral bending shaping, and spiral coil pipe's play water end passes cutting ferrule nut in proper order and is located behind the inboard snap ring of cutting ferrule nut, stretches into in the water inlet end inner chamber of shower nozzle, the water inlet end outer wall of shower nozzle through external screw thread portion with cutting ferrule nut threaded connection, form the sealing member in the spiral coil pipe outside after the snap ring is pressed.

2. The marine high-pressure water mist spray head connecting device according to claim 1, wherein two ends of the clamping ring are provided with conical surfaces, and the inner wall of the water inlet end of the spray head and the inner wall of the clamping sleeve nut are respectively provided with a clamping groove and a pressing groove which are matched with the conical surfaces.

3. A marine high pressure water mist head connection means according to claim 1 or 2, characterized in that the central axis of the spiral coil is perpendicular to the ceiling.

4. A marine high pressure water mist head connection according to claim 1 or 2, characterized in that the diameter of the spiral coil is 200-300mm and the pitch is 20-30mm.

5. The marine high pressure water mist head connection device of claim 4, wherein the number of turns of the spiral coil is 2-3.

6. The marine high-pressure water mist spray head connecting device according to claim 1 or 2, wherein a mounting plate is fixed on the outer side of the spray head, the mounting plate is detachably mounted above a ceiling through bolts, and a buffer gasket is clamped between the mounting plate and the ceiling.