CN211327927U

CN211327927U - Double-layer spray nozzle

Info

Publication number: CN211327927U
Application number: CN201922142842.1U
Authority: CN
Inventors: 罗洁; 方佳婷
Original assignee: Spraying Systems Shanghai Co Ltd
Current assignee: Spraying Systems Shanghai Co Ltd
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-08-25
Anticipated expiration: 2029-12-04

Abstract

The utility model relates to a double-layer spray nozzle, including outer nozzle assembly and inlayer body, outer nozzle assembly comprises outer baffle, outer connecting piece, outer body and cyclone body, outer body coaxial line, outer connecting piece coaxial line, the cyclone body sets up the lower part in the outer body, outer connecting piece sets up the upper portion in the outer body, and be connected with the export cooperation of outer body, outer baffle sets up the top at the export of outer body, outer baffle, cyclone body are connected respectively through the screw thread to outer connecting piece upper and lower ends, the tip that is close to outer body water inlet of cyclone body evenly distributes has the inlet opening, outer body passes through threaded connection on the upper portion in the inlayer body; compared with the prior art, the utility model, can realize simultaneously that the cooling is put out a fire and isolation protection's effect, prolong life, practice thrift the cost, the effectual problem of solving conventional nozzle single performance.

Description

Double-layer spray nozzle

[ technical field ]

The utility model belongs to the technical field of the nozzle technique and specifically relates to a can realize cooling fire extinguishing and isolation protection's double-deck spray nozzle simultaneously.

[ background art ]

The nozzle is an important part in the industrial application field, and is required to be used in production equipment in various industries, and the service performance of the nozzle determines the service efficiency and the service life of a system. However, as the industry has developed, the performance requirements for nozzles have become higher and higher, and nozzles of a single performance have not been able to meet the demands well. With this, the demand for dual-function and even multi-function nozzles is increasing. Such as: in some applications where dual functionality is needed, the disadvantage of a single nozzle is left alone, requiring two different types of nozzles with different functionality on the one hand, and increasing the difficulty of installation on the other hand, thereby indirectly increasing the cost.

[ contents of utility model ]

The utility model aims at solving foretell not enough and providing a double-deck spray nozzle, can realize simultaneously that the cooling is put out a fire and isolation protection's effect, prolonged life, practiced thrift the cost, the effectual problem of solving conventional nozzle singleness ability.

Design a double-deck spray nozzle for realizing above-mentioned purpose, including outer nozzle assembly 2 and inlayer body 1, outer nozzle assembly 2 comprises outer baffle 24, outer connecting piece 23, outer body 22 and the spiral-flow body 21, outer body 22 and spiral-flow body 21 coaxial line, the spiral-flow body 21 sets up the lower part in outer body 22, outer connecting piece 23 sets up upper portion in outer body 22 to be connected with outer body 22's export cooperation, outer baffle 24 sets up the top in outer body 22's export, outer baffle 24, spiral-flow body 21 are connected respectively through the screw thread to outer connecting piece 23 upper and lower ends, the tip that is close to outer body 22 water inlet of spiral-flow body 21 distributes evenly has the inlet opening, outer body 22 is upper portion in inlayer body 1 through threaded connection.

Further, a flow guide surface 25 of the outer baffle 24 opposite to the outlet of the outer body 22 is provided with an inclined surface with a certain angle.

Furthermore, a plurality of inclined holes 11 with the same size are formed in the water inlet end of the lower portion of the inner layer body 1, an inner layer baffle 12 is arranged at the water outlet end of the inner layer body 1, and a second flow guide surface 13, opposite to the water outlet of the inner layer body 1, of the inner layer baffle 12 is an inclined surface.

Further, the inclination angle of the second diversion surface 13 of the inner layer body 1 is larger than the inclination angle of the first diversion surface 25 of the outer layer baffle 24.

Further, the inner baffle 12 and the inner body 1 are of an integral structure.

Further, the cyclone body 21 and the inner wall of the outer body 22 are in interference fit.

Furthermore, two ends of the outer-layer connecting piece 23 are respectively connected with the cyclone body 21 and the outer-layer baffle 24 through straight threads.

Further, the inner body 1 and the outer body 22 are connected through straight threads, and the inner body 1 and the client are connected through tapered threads.

Compared with the prior art, the utility model, have following advantage:

(1) the utility model avoids the single performance deficiency of the conventional nozzle to a certain extent, and can realize the functions of cooling and isolation at the same time in the working state, thereby realizing effective fire extinguishing on one hand, effectively protecting the machine on the other hand, prolonging the service life of the machine and indirectly saving the cost;

(2) the outer baffle of the utility model is connected by the screw thread, so that the outer baffle is easy to be replaced and can meet the spraying requirements of different angles;

(3) the inner layer body and the outer layer nozzle assembly of the utility model also adopt a threaded connection mode, as a whole, the double-layer spraying effect is realized, the inner layer body is removed, and the other components can form a single nozzle, so that the flexibility is very high;

(4) compared with the traditional nozzle, the utility model has more compact structure and more perfect performance, and effectively solves the problem of single performance of the conventional nozzle;

(5) the utility model discloses the inlayer and the inlayer all adopt the whirl to tear and broken atomizing, can realize better atomization effect, can be applied to fields such as fire control, are worth popularizing and applying.

[ description of the drawings ]

Fig. 1 is a schematic view of the external structure of the present invention;

fig. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic cross-sectional view of the outer nozzle assembly of the present invention;

fig. 4 is a schematic front structural view of the inner layer body of the present invention;

FIG. 5 is a cross-sectional view B-B of FIG. 4;

fig. 6 is a schematic top view of the inner layer body of the present invention;

FIG. 7 is a cross-sectional view A-A of FIG. 6;

in the figure: 1. the inner layer nozzle assembly comprises an inner layer body 11, an inclined hole 12, an inner layer baffle 13, a second flow guide surface 2, an outer layer nozzle assembly 21, a cyclone body 22, an outer layer body 23, an outer layer connecting piece 24, an outer layer baffle 25 and a first flow guide surface.

[ detailed description of the invention ]

The invention is further described below with reference to the accompanying drawings:

as shown in the attached drawings, the utility model provides a double-layer spray nozzle, which comprises an outer-layer nozzle assembly 2 and an inner-layer body 1, wherein the outer-layer nozzle assembly 2 is connected with the inner-layer body 1 through screw threads, and can be conveniently disassembled; outer nozzle assembly 2 is by outer baffle 24, outer connecting piece 23, outer body 22 and the spiral-flow body 21 constitute, outer body 22 and spiral-flow body 21, outer connecting piece 23 coaxial line, spiral-flow body 21 sets up the lower part in outer body 22, outer connecting piece 23 sets up upper portion in outer body 22, and be connected with outer body 22's export cooperation, outer baffle 24 sets up the top in outer body 22's export, outer baffle 24 is connected respectively through the screw thread to outer connecting piece 23 upper and lower end, spiral-flow body 21, the tip evenly distributed that is close to outer body 22 water inlet of spiral-flow body 21 has four inlet openings, outer body 22 passes through threaded connection upper portion in inner body 1.

Wherein, the first water conservancy diversion face 25 that is relative with outer body 22 export on outer baffle 24 sets up to the inclined plane that has certain angle, the end of intaking of 1 lower part of inlayer body is six inclined holes 11 that the certain angle of slope that the size equals, the play water end of inlayer body 1 is equipped with inlayer baffle 12, inlayer baffle 12 and inlayer body 1 formula structure as an organic whole, the second water conservancy diversion face 13 that is relative with inlayer body 1 delivery port on inlayer baffle 12 sets up to the inclined plane that has certain angle, and the inclination of the second water conservancy diversion face 13 of inlayer body 1 is greater than the inclination of the first 25 water conservancy diversion face of outer baffle 24. The cyclone body 21 and the inner wall of the outer layer body 22 are in interference fit, and two ends of the outer layer connecting piece 23 are respectively connected with the cyclone body 21 and the outer layer baffle 24 through straight threads; the outer layer connecting piece 23 is matched with the outer layer body 22 in size, and the spraying amount of outer layer spraying can be controlled to a certain degree; the distance between the outer layer baffle 24 and the inner layer body 1 is controlled within a reasonable range, and the taper of the flow guide surface of the inner layer body 1 is larger than that of the flow guide surface of the outer layer baffle 24, so that the double-layer spraying can be effectively prevented from overlapping, and the spraying angle and the coverage range of the inner layer and the outer layer are controlled; .

The utility model discloses in, the cyclone body is not adopting conventional whirl blade, but at epaxial direct processing, has avoided the eccentric dislocation that pure rotating vane leads to owing to receive the impact of liquid stream. The effect of outer baffle is mainly that the liquid drop that the whirl was jetted out carries out further collision breakage in following outer body, realizes atomizing effect, and the face of colliding with the liquid drop mutually is the conical surface that has certain angle, and this angle designs according to customer's actual demand, and the existence of this structure can effectually play the effect of water conservancy diversion on the one hand, and on the other hand can effectual control spraying angle and coverage. The two ends of the outer connecting piece are respectively connected with the rotational flow body and the outer baffle through straight threads, the inner body and the outer body are also tightly connected through the straight threads, and the inner body and the client are connected through the conical threads; the actual spraying amount of the outer-layer spraying can be effectively controlled by controlling the drift diameter of the outer-layer connecting piece and the outer-layer body at the outlet. The structural characteristics of the inner layer body are mainly embodied in inclined hole rotational flow and baffle crushing atomization, and in order to avoid overlapping of upper and lower layer spraying, the inclined plane taper of the inner layer body is larger than that of the outer layer baffle.

The utility model discloses carry out the improvement and the adjustment of structure on the basis of single nozzle, increase the effect of inlayer body structure in order to realize double-deck spraying simultaneously, compare with traditional nozzle, the structure is compacter, and the performance is more perfect, the effectual problem of solving conventional nozzle singleness ability. The principle is as follows: the outer-layer nozzle assembly mainly enables fluid to form rotary jet flow through the swirl vanes and to form violent impact with the outer-layer baffle plate, so that the atomization effect is achieved; the inner layer body mainly enables fluid to realize rotational flow through the inclined holes and impact the baffle plate to realize atomization. The inner and outer baffles are inclined planes with certain angles, so that the water diversion effect is good, and because the tapers of the inner and outer water diversion surfaces are different, the double-layer spray presents different angles and different coverage ranges, thereby achieving the dual functions of protection, isolation, cooling and fire extinguishing. In addition, the outer layer baffle adopts threaded connection, so that better replaceability is achieved, and different requirements are met.

The present invention is not limited by the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and are all included in the protection scope of the present invention.

Claims

1. A dual layer spray nozzle characterized by: comprises an outer layer nozzle assembly (2) and an inner layer body (1), wherein the outer layer nozzle assembly (2) consists of an outer layer baffle (24), an outer layer connecting piece (23), an outer layer body (22) and a cyclone body (21), the outer layer body (22) is coaxial with the cyclone body (21) and the outer layer connecting piece (23), the rotational flow body (21) is arranged at the inner lower part of the outer layer body (22), the outer layer connecting piece (23) is arranged at the inner upper part of the outer layer body (22), and is matched and connected with the outlet of the outer layer body (22), the outer layer baffle (24) is arranged above the outlet of the outer layer body (22), the upper end and the lower end of the outer layer connecting piece (23) are respectively connected with an outer layer baffle (24) and the cyclone body (21) through threads, water inlet holes are uniformly distributed at the end part of the rotational flow body (21) close to the water inlet of the outer layer body (22), the outer layer body (22) is connected to the inner upper part of the inner layer body (1) through threads.

2. The dual layer spray nozzle of claim 1, wherein: a first flow guide surface (25) on the outer layer baffle (24) and opposite to the outlet of the outer layer body (22) is an inclined surface with a certain angle.

3. The dual layer spray nozzle of claim 2, wherein: the water inlet end of the lower part of the inner layer body (1) is provided with a plurality of inclined holes (11) with the same size, the water outlet end of the inner layer body (1) is provided with an inner layer baffle (12), and a second flow guide surface (13) opposite to the water outlet of the inner layer body (1) on the inner layer baffle (12) is arranged to be an inclined surface.

4. The dual layer spray nozzle of claim 3, wherein: the inclination angle of the second diversion surface (13) of the inner layer body (1) is larger than that of the first diversion surface (25) of the outer layer baffle (24).

5. The dual layer spray nozzle of claim 4, wherein: the inner layer baffle (12) and the inner layer body (1) are of an integrated structure.

6. The dual layer spray nozzle of any of claims 1 to 5, wherein: the rotational flow body (21) and the inner wall of the outer layer body (22) are in interference fit.

7. The dual layer spray nozzle of claim 6, wherein: and two ends of the outer layer connecting piece (23) are respectively connected with the cyclone body (21) and the outer layer baffle (24) through straight threads.

8. The dual layer spray nozzle of claim 7, wherein: the inner layer body (1) is connected with the outer layer body (22) through straight threads, and the inner layer body (1) is connected with the client through conical threads.