阅读说明：本技术 一种用于消防工程的细水雾降温喷头 (A thin water smoke cooling shower nozzle for fire engineering ) 是由 余小兵 于 2019-11-15 设计创作，主要内容包括：本发明公开了一种用于消防工程的细水雾降温喷头,涉及消防器械技术领域。本发明包括芯管；芯管为一端密闭的管状结构；芯管靠近密闭端的周侧面阵列开设有出水槽口；芯管周侧面转动连接有螺罩；螺罩周侧面设置有外螺纹,并通过螺纹连接有喷头体；喷头体为中空结构；喷头体外表面均布有喷头孔；喷头体上端面固定连接有连接件；喷头体内壁圆周阵列有条形挡片。本发明通过沿芯管内壁切线方向开设出水槽口；在喷头体内壁圆周阵列与出水槽口位置相对的条形挡片；利用水流冲击条形挡片,提高了喷头体的旋转效果,使细水雾360°无死角覆盖,有效的提高了细水雾的覆盖范围；大大提高了细水雾隔离热气流和有害烟气的效果。(The invention discloses a water mist cooling spray head for fire engineering, and relates to the technical field of fire-fighting equipment. The invention includes a core tube; the core pipe is a tubular structure with one closed end; the peripheral side array of the core pipe close to the sealed end is provided with water outlet notches; the peripheral side surface of the core tube is rotationally connected with a spiral cover; the periphery of the screw cover is provided with external threads and is connected with a nozzle body through threads; the spray head body is of a hollow structure; the outer surface of the spray head body is uniformly provided with spray head holes; the upper end surface of the spray head body is fixedly connected with a connecting piece; the inner wall of the spray head body is circumferentially provided with strip-shaped retaining pieces in an array manner. According to the invention, the water outlet notch is formed along the tangential direction of the inner wall of the core pipe; the circumferential array of the inner wall of the spray head body is provided with strip-shaped retaining pieces opposite to the positions of the water outlet notches; the water flow impacts the strip-shaped baffle, so that the rotating effect of the spray head body is improved, the fine water mist is covered by 360 degrees without dead angles, and the coverage range of the fine water mist is effectively improved; the effect of fine water mist for isolating hot air flow and harmful flue gas is greatly improved.)

1. A water mist cooling spray head for fire engineering comprises a core pipe (1); the method is characterized in that: the core pipe (1) is of a tubular structure with one closed end; the peripheral side array of the core pipe (1) close to the sealed end is provided with water outlet notches (101); the water outlet notch (101) is formed along the tangential direction of the inner wall of the core pipe (1); the peripheral side surface of the core tube (1) is rotationally connected with a screw cover (2);

the peripheral side surface of the screw cover (2) is provided with external threads and is connected with a spray head body (3) through threads;

the spray head body (3) is of a hollow structure; the outer surface of the spray head body (3) is uniformly provided with spray head holes (301); the upper end surface of the spray head body (3) is fixedly connected with a connecting piece (302); strip-shaped baffle plates (303) are arranged on the inner wall circumference of the spray head body (3); the strip-shaped baffle plate (303) corresponds to the position of the water outlet notch (101);

a threaded hole (3021) matched with the screw cover (2) is formed in the end face of the connecting piece (302); the inner bottom surface of the threaded hole (3021) is provided with a connecting hole (3022) matched with the peripheral side surface of the core tube (1).

2. The water mist cooling spray head for the fire fighting project according to claim 1, characterized in that a shaft shoulder (102) is arranged on the peripheral side of the core pipe (1).

3. A water mist cooling spray head for fire fighting engineering according to claim 1 or 2, characterized in that the screw cover (2) is circumferentially arrayed with blind holes (201) on the upper end surface.

4. The water mist cooling spray head for the fire fighting project according to claim 2, characterized in that an annular groove (3023) is opened on the inner bottom surface of the threaded hole (3021) at a position opposite to the shaft shoulder (102); and a rotary sealing ring is arranged in the annular groove (3023).

5. The water mist cooling spray head for the fire fighting project according to claim 1, 2 or 4, characterized in that the spray head holes (301) are opened along the tangential direction of the inner wall of the spray head body (3).

Technical Field

The invention belongs to the technical field of fire-fighting equipment, and particularly relates to a water mist cooling spray head for fire-fighting engineering.

Background

The existing water mist spray head is generally fixed, and the range of sprayed water mist depends on the internal water pressure, so the coverage range of the water mist is limited; the invention CN201010298507.1 discloses a rotary water mist spray head, which utilizes high pressure water source to spray from the inner cavity of a core shaft to each spray nozzle of a spray head body, and the eccentric reaction force of each spray nozzle makes the spray head body rotate to realize 360-degree full-coverage spraying.

However, in this way, the water spray nozzle rotates only by the reaction force of the water spray of the spray nozzle, and the spray nozzle extrudes water by means of water pressure to realize spraying, so that the water flow speed at the spray nozzle is reduced, and therefore, the reaction force is influenced, the rotating effect of the water spray nozzle is not good, and the ideal rotating effect and the effect of expanding the coverage range of the fine water mist cannot be achieved.

Therefore, need improve current water mist nozzle to improve the rotatory effect of shower nozzle, then enlarge the coverage of water mist, reach ideal fire control and cooling effect.

Disclosure of Invention

The invention aims to provide a water mist cooling spray head for fire engineering, which is characterized in that a water outlet notch is formed along the tangential direction of the inner wall of a core pipe; the circumferential array of the inner wall of the spray head body is provided with strip-shaped retaining pieces opposite to the positions of the water outlet notches; utilize rivers impact bar separation blade to make the shower nozzle body rotatory, solved the reaction force of current atomizer water spray not enough, rotatory effect and the not good problem of thin water smoke coverage.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to a water mist cooling spray head for fire engineering, which comprises a core pipe; the core pipe is of a tubular structure with one closed end; the peripheral side array of the core pipe close to the sealed end is provided with water outlet notches; the water outlet notch is formed along the tangential direction of the inner wall of the core pipe; the peripheral side surface of the core tube is rotationally connected with a spiral cover; the periphery of the screw cover is provided with external threads, and the screw cover is connected with a nozzle body through threads;

the spray head body is of a hollow structure; spray head holes are uniformly distributed on the outer surface of the spray head body; the upper end surface of the spray head body is fixedly connected with a connecting piece; the inner wall of the spray head body is circumferentially provided with strip-shaped retaining pieces in an array manner; the strip-shaped baffle sheet corresponds to the position of the water outlet notch;

the end face of the connecting piece is provided with a threaded hole matched with the screw cover; and the inner bottom surface of the threaded hole is provided with a connecting hole matched with the peripheral side surface of the core tube.

Further, a shaft shoulder is arranged on the peripheral side face of the core tube.

Furthermore, blind holes are arrayed on the circumference of the upper end face of the spiral cover.

Furthermore, an annular groove is formed in the inner bottom surface of the threaded hole at a position corresponding to the shaft shoulder; and a rotary sealing ring is arranged in the annular groove.

Furthermore, the nozzle hole is formed along the tangential direction of the inner wall of the nozzle body.

The invention has the following beneficial effects:

according to the invention, the water outlet notch is formed along the tangential direction of the inner wall of the core pipe; the circumferential array of the inner wall of the spray head body is provided with strip-shaped retaining pieces opposite to the positions of the water outlet notches; the water flow impacts the strip-shaped baffle plate to enable the spray head body to rotate, so that the rotating effect of the spray head body is effectively improved, the fine water mist is covered at 360 degrees without dead angles, and the coverage range of the fine water mist is effectively improved; the effect of fine water mist for isolating hot air flow and harmful flue gas is greatly improved.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of a water mist cooling spray head for fire fighting engineering according to the present invention;

FIG. 2 is a front view of the structure of FIG. 1;

FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;

FIG. 4 is a schematic view of the core tube;

FIG. 5 is a top view of the structure of the showerhead body;

FIG. 6 is a cross-sectional view taken at B-B of FIG. 5;

in the drawings, the components represented by the respective reference numerals are listed below:

1-core tube, 2-spiral cover, 3-spray head body, 101-water outlet notch, 102-shaft shoulder, 201-blind hole, 301-spray head hole, 302-connecting piece, 303-strip-shaped baffle, 3021-threaded hole, 3022-connecting hole and 3023-annular groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.

Referring to fig. 1-4, the invention relates to a water mist cooling spray head for fire-fighting engineering, comprising a core pipe 1; the core pipe 1 is a tubular structure with one closed end, and the other end of the core pipe 1 is connected with a water pipe; the periphery side array of the core pipe 1 close to the closed end is provided with water outlet notches 101, and the water outlet notches 101 are axially arranged along the core pipe 1; the opening direction of the water outlet notch 101 is arranged along the tangential direction of the inner wall of the core pipe 1, so that water flow is sprayed out along the tangential direction of the inner wall of the core pipe 1; the peripheral side surface of the core tube 1 is rotatably connected with a spiral cover 2 through a bearing; the peripheral side surface of the screw cover 2 is provided with external threads and is connected with a spray head body 3 through threads.

The blind holes 201 are circumferentially arrayed on the upper end face of the screw cover 2, the blind holes 201 are convenient for fixing the screw cover 2 through tools such as a crowbar and the like, and are convenient for being installed and connected with the nozzle body 3, or the nozzle body 3 is fixed, and the screw cover 2 is jacked to rotate to realize the installation and connection with the nozzle body 3.

As shown in fig. 3, 5 and 6, the head body 3 has a hollow structure; and the outer surface of the spray head body 3 is uniformly provided with spray head holes 301, and the spray head holes 301 are used for installing spray nozzles.

The nozzle holes 301 are arranged along the tangential direction of the inner wall of the nozzle body 3, one or more nozzle holes 301 are also arranged at the rotation center position of the nozzle body 3, and after the water flow is sprayed out from the nozzle holes 301, a reaction force is also generated, so that the nozzle body 3 rotates; the spray head body 3 can be a cylinder, polyhedron or sphere structure, so that the spray head body 3 can be provided with spray nozzles in all directions, and the coverage effect of the fine water mist is improved.

The upper end face of the spray head body 3 is welded with a connecting piece 302, and the spray head body 3 and the connecting piece 302 can be of an integrated structure; the end face of the connecting piece 302 is provided with a threaded hole 3021 matched with the screw cover 2; the inner bottom surface of the threaded hole 3021 is provided with a connecting hole 3022 matched with the peripheral side surface of the core tube 1.

Strip-shaped baffle plates 303 are arrayed on the circumference of the inner wall of the spray head body 3; the strip-shaped baffle plate 303 corresponds to the position of the water outlet notch 101; after being sprayed out from the water outlet notch 101, the water flow impacts the side surface of the strip-shaped blocking piece 303, so that the spray head body 3 rotates, and the rotation direction is consistent with the rotation direction of the spray head body 3 when the water flow is sprayed out from the spray head hole 301; under the condition of double functions, the rotating effect of the spray head body 3 can be fully ensured, so that the sprayed water mist obtains a larger initial speed, and the coverage range of the water mist is enlarged.

The bar-shaped baffle plate 303 can be also obliquely arranged, so that one side surface of the bar-shaped baffle plate 303 is just opposite to the water outlet notch 101, the water flow sprayed from the water outlet notch 101 is perpendicular to the side surface of the bar-shaped baffle plate 303, the stress effect of the bar-shaped baffle plate 303 is optimized, the impact force of the water flow is fully utilized, and the rotating effect of the spray head body 3 is further improved.

Therefore, compared with the mode that the spray head body 3 is rotated only by adopting the eccentric reaction force of the spray nozzle, the water mist spray head has better rotation effect, the water mist has larger coverage range, and the cooling efficiency of the water mist is greatly improved.

As shown in fig. 4 and 6, the peripheral side surface of the core tube 1 is provided with a shoulder 102; an annular groove 3023 is formed in the inner bottom surface of the threaded hole 3021 in a position opposite to the shaft shoulder 102; a rotary sealing ring is arranged in the annular groove 3023, and the lower surface of the shaft shoulder 102 and the inner bottom surface of the threaded hole 3021 are sealed by the rotary sealing ring; meanwhile, the inner wall of the connecting hole 3022 can be provided with an annular groove, and the sealing with the circumferential side surface of the core pipe 1 is realized by arranging a rotary sealing ring, so that the sealing effect is further improved, and the integral reliability is ensured.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.