阅读说明：本技术 一种闭式高压均匀喷射喷嘴 (Closed high-pressure uniform injection nozzle ) 是由 张扬扬 朱辰 朱艳 刘益龙 于 2021-07-22 设计创作，主要内容包括：本发明公开了一种闭式高压均匀喷射喷嘴,涉及高压灭火喷嘴技术领域,包括主体和热敏分布玻璃,所述主体的底板固定连接有镂空架,且热敏分布玻璃固定安装在镂空架内,所述主体内开设有锥形分配室,所述主体在锥形分配室的下端处沿着圆周方向均匀开设有薄雾喷孔和浓雾喷孔,且浓雾喷孔设置在薄雾喷孔的上方处,所述主体内插接有雾化插件,所述雾化插件的设有浓雾分配结构,所述雾化插件内水通过浓雾分配结构进入浓雾喷孔内,所述主体的内顶部贴合接触有活塞,所述活塞的底部固定连接有推杆；通过上方方式,本发明可实现薄雾和浓雾同时喷洒,喷嘴喷洒类型多,在实际喷洒时喷洒效果理想。(The invention discloses a closed high-pressure uniform injection nozzle, which relates to the technical field of high-pressure fire extinguishing nozzles and comprises a main body and thermosensitive distribution glass, wherein a hollow frame is fixedly connected to the bottom plate of the main body, the thermosensitive distribution glass is fixedly installed in the hollow frame, a conical distribution chamber is arranged in the main body, a mist spray hole and a thick mist spray hole are uniformly formed in the lower end of the conical distribution chamber of the main body along the circumferential direction, the thick mist spray hole is formed above the mist spray hole, an atomization plug-in is inserted in the main body, the atomization plug-in is provided with a thick mist distribution structure, water in the atomization plug-in enters the thick mist spray hole through the thick mist distribution structure, a piston is attached and contacted with the inner top of the main body, and the bottom of the piston is fixedly connected with a push rod; through the above mode, the invention can realize the simultaneous spraying of the thin fog and the thick fog, and has a plurality of spraying types of the nozzles and ideal spraying effect during actual spraying.)

1. A closed high-pressure uniform spray nozzle comprises a main body (1) and heat-sensitive distribution glass (6), and is characterized in that: the bottom plate of the main body (1) is fixedly connected with a hollow frame (101), thermosensitive distribution glass (6) is fixedly installed in the hollow frame (101), a conical distribution chamber (26) is arranged in the main body (1), the main body (1) is uniformly provided with mist spray holes (18) and thick mist spray holes (19) at the lower end of the conical distribution chamber (26) along the circumferential direction, the thick mist spray holes (19) are arranged above the mist spray holes (18), an atomization plug-in piece (9) is inserted in the main body (1), the atomization plug-in piece (9) is provided with a thick mist distribution structure, water in the atomization plug-in piece (9) enters the thick mist spray holes (19) through the thick mist distribution structure, a piston (5) is attached and contacted with the inner top of the main body (1), the bottom of the piston (5) is fixedly connected with a push rod (25), and the top of the thermosensitive distribution glass (6) is arranged in a bottom groove of the push rod (25), the connecting part of the push rod (25) and the piston (5) is provided with an annular groove (22), water in the main body (1) enters the mist spray holes (18) through a conical distribution chamber (26) and the annular groove (22), the outer wall of the main body (1) is connected with a dustproof dust cover (28), the middle end of the main body (1) is connected with a top plate (2), the top plate (2) and the top of a wall are connected, a slot (23) is formed in the top of the main body (1), the slot (23) is inserted in the slot (24), the top of the slot (24) is fixedly connected with a stainless steel elastic cushion ring (14), the top of the stainless steel elastic cushion ring (14) is in laminating contact with a stainless steel mesh (16), the top of the stainless steel mesh (16) is in laminating contact with a stainless steel elastic compression ring (15), and the stainless steel elastic cushion ring (14), the stainless steel elastic compression ring (15) and the stainless steel mesh (16) are in laminating contact with the inner wall of the main body (1), the top laminating contact of stainless steel elasticity clamping ring (15) has extension pipe (4), set up center pin straight hole (17) in extension pipe (4), main part (1) is through thread groove and nut (3) threaded connection in the position department of roof (2) top, the top straight hole of nut (3) contacts with the outer wall laminating of extension pipe (4).

2. The closed high pressure homogeneous spray nozzle of claim 1, wherein: the bottom of the atomizing insert (9) is higher than the arrangement position of the mist spray holes (18).

3. The closed high pressure homogeneous spray nozzle of claim 2, wherein: the inner wall of the outer wall groove of the atomization plug-in (9) is fixedly connected with a fourth ring (12), and the atomization plug-in (9) is connected in the main body (1) through the fourth ring (12).

4. The closed high pressure homogeneous spray nozzle of claim 3, wherein: fixedly connected with fifth ring (13) in the outer wall recess of piston (5), piston (5) are through fifth ring (13) and atomizing plug-in components (9) joint.

5. The closed high pressure homogeneous spray nozzle of claim 4, wherein: the supporting force of the thermosensitive distribution glass (6) to the push rod (25) and the clamping force of the fifth ring (13) to the main body (1) are equal to the water pressure in the central shaft straight hole (17).

6. The closed high pressure homogeneous spray nozzle of claim 5, wherein: dense fog distribution structure includes first annular distribution room (11), dense fog orifice (19), spiral distribution room (20) and cross bore (21), cross bore (21) have been seted up to the inner wall middle part department of atomizing plug-in (9), first annular distribution room (11) have been seted up in the outer end of cross bore (21) in atomizing plug-in (9), spiral distribution room (20) have been seted up in the bottom of first annular distribution room (11) in atomizing plug-in (9), second annular distribution room (27) have been seted up in spiral distribution room (20) bottom in atomizing plug-in (9), and second annular distribution room (27) just set up dense fog orifice (19).

7. The closed high pressure homogeneous spray nozzle of claim 6, wherein: the dustproof cover is characterized in that a third circular ring (10) is fixedly connected to a groove in the lower end of the outer wall of the main body (1), the dustproof cover (28) is upwards inserted into the outer wall of the main body (1) from the upper side of the main body (1), and the main body (1) clamps the dustproof cover (28) through the third circular ring (10).

8. The closed high pressure homogeneous spray nozzle of claim 1, wherein: main part (1) outer wall middle-end department lug and the bottom laminating contact of roof (2), recess fixedly connected with second ring (8) that main part (1) outer wall middle-end department seted up, the bottom of second ring (8) and the top laminating contact of roof (2) realize roof (2) joint in second ring (8) below when roof (2) and main part (1) outer wall middle-end department lug contact.

9. The closed high pressure homogeneous spray nozzle of claim 8, wherein: the top of the main body (1) is in contact with the convex ring of the extension pipe (4) in an attaching mode, and the convex ring of the extension pipe (4) is in contact with the inner top of the nut (3) in an attaching mode.

10. The closed high pressure homogeneous spray nozzle of claim 9, wherein: fixedly connected with first ring (7) in the interior top recess of main part (1), first ring (7) carry out the joint to extension pipe (4) when extension pipe (4) are inserted in main part (1).

Technical Field

The invention relates to the technical field of high-pressure fire extinguishing nozzles, in particular to a closed high-pressure uniform spraying nozzle.

Background

The fire sprinkler head is used for a fire sprinkler system, and when a fire disaster occurs, water is sprinkled out through a sprinkler head splashing disc to extinguish the fire, and is divided into a drooping type sprinkler head, an upright type sprinkler head, a common type sprinkler head, a side wall type sprinkler head and the like. The sprinkler head is as defined in GB5135.1.3.1: under the action of heat, the sprinkler can be automatically started in a preset temperature range or started by a control device according to a fire signal, and sprinkles water according to the designed sprinkling shape and flow.

The existing spray nozzle is single in spray type, the spray effect is not ideal in actual spray, and simultaneously, the spray hole is easy to block.

A closed high-pressure uniform injection nozzle is thus proposed to solve the above-mentioned problems.

Disclosure of Invention

The invention aims to provide a closed high-pressure uniform spraying nozzle to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a closed high-pressure uniform spraying nozzle comprises a main body and thermosensitive distribution glass, wherein a hollow frame is fixedly connected to a bottom plate of the main body, the thermosensitive distribution glass is fixedly installed in the hollow frame, a conical distribution chamber is formed in the main body, a thin fog spraying hole and a thick fog spraying hole are uniformly formed in the lower end of the conical distribution chamber of the main body along the circumferential direction, the thick fog spraying hole is formed above the thin fog spraying hole, an atomization plug-in is inserted in the main body and provided with a thick fog distribution structure, water in the atomization plug-in enters the thick fog spraying hole through the thick fog distribution structure, a piston is attached and contacted to the inner top of the main body, a push rod is fixedly connected to the bottom of the piston, the top of the thermosensitive distribution glass is arranged in a bottom groove of the push rod, an annular groove is formed in the joint of the push rod and the piston, and the water in the main body enters the thin fog spraying hole through the conical distribution chamber and the annular groove, the outer wall connection of main part has and is used for dirt-proof dust cover, the middle-end of main part is connected with the roof, and roof and wall top, the slot has been seted up at the top of main part, it has the slot to peg graft in the ring, the top fixedly connected with stainless steel elasticity backing ring of peg graft ring, the top laminating contact of stainless steel elasticity backing ring has the stainless steel mesh, the top laminating contact of stainless steel mesh has stainless steel elasticity clamping ring, and the inner wall laminating contact of stainless steel elasticity backing ring, stainless steel elasticity clamping ring and stainless steel mesh and main part, the top laminating contact of stainless steel elasticity clamping ring has the extension pipe, the straight hole of center pin has been seted up in the extension pipe, the position department of main part above the roof is through thread groove and nut threaded connection, the straight hole in top of nut contacts with the outer wall laminating of extension pipe.

Further, the bottom of the atomizing insert is higher than the mist orifice.

Furthermore, the inner wall of the groove of the outer wall of the atomization plug-in is fixedly connected with a fourth ring, and the atomization plug-in is connected in the main body in a clamping mode through the fourth ring.

Furthermore, a fifth ring is fixedly connected in the groove in the outer wall of the piston, and the piston is clamped with the atomization plug-in unit through the fifth ring.

Furthermore, the supporting force of the thermosensitive distribution glass to the push rod and the clamping force of the fifth ring to the main body are equal to the water pressure in the central shaft straight hole.

Furthermore, dense fog distribution structure includes first annular distribution room, dense fog orifice, spiral distribution room and cross bore, the cross bore has been seted up to atomizing plug-in components's inner wall middle-end department, first annular distribution room has been seted up to atomizing plug-in components in the outer end of cross bore, atomizing plug-in components have been seted up spiral distribution room in the bottom of first annular distribution room, atomizing plug-in components have been seted up second annular distribution room in spiral distribution room bottom, and second annular distribution room is just setting up dense fog orifice.

Furthermore, a third circular ring is fixedly connected to a groove at the middle lower end of the outer wall of the main body, the dust cover is upwards inserted into the outer wall of the main body from the upper part of the main body, and the main body clamps the dust cover through the third circular ring.

Furthermore, the lug at the middle end of the outer wall of the main body is in contact with the bottom of the top plate in a laminating manner, the second circular ring is fixedly connected with the groove formed in the middle end of the outer wall of the main body, and the bottom of the second circular ring is in contact with the top of the top plate in a laminating manner when the lug at the middle end of the outer wall of the main body is in contact with the top of the top plate, so that the top plate is clamped below the second circular ring.

Furthermore, the top of the main body is in contact with the convex ring of the extension pipe in an attaching mode, and the convex ring of the extension pipe is in contact with the inner top of the nut in an attaching mode.

Furthermore, a first circular ring is fixedly connected in the groove in the inner top of the main body, and the first circular ring is used for clamping the extension pipe when the extension pipe is inserted into the main body.

The invention has the beneficial effects that:

the invention discloses a high-temperature heat-sensitive distribution glass, which is characterized in that when the temperature is high, the piston is pushed to move downwards by water pressure, the piston drives the push rod to move to the lowest end, water enters a conical distribution chamber through a central shaft straight hole, the water enters a mist spray hole in a mist spray hole through an annular groove and the conical distribution chamber to spray mist, the water in the conical distribution chamber enters a first annular distribution chamber through a first annular distribution chamber of a thick mist distribution structure, enters a second annular distribution chamber through a spiral distribution chamber and then enters the thick mist spray hole to spray the thick mist from the thick mist spray hole, the simultaneous spraying of the mist and the thick mist can be realized, the spray nozzles are multiple in spray types, the spray effect is ideal when the spray is actually carried out, meanwhile, a stainless steel mesh filters the water to prevent the mist spray hole and the thick mist spray hole from being blocked by the water, the spray hole is prevented from being blocked, in addition, the dust cover is sealed at the mist spray hole and the spray hole, and the dust is prevented from entering the mist spray hole when the thick mist spray hole is not in case of fire, when a fire occurs, the water pressure pushes the dust cover to be pushed out from the main body.

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 the present invention;

FIG. 2 is a cross-sectional view of the structure of the present invention;

FIG. 3 is a cross-sectional view of another perspective of the present invention;

FIG. 4 is a schematic view of the present invention in a non-fire situation;

FIG. 5 is a schematic view of the present invention in a fire;

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

1. the main body 101, the hollow frame 2, the top plate 3, the nut 4, the extension tube 5, the piston 6, the heat-sensitive distributed glass 7, the first ring 8, the second ring 9, the atomization plug-in 10, the third ring 11, the first annular distribution chamber 12, the fourth ring 13, the fifth ring 14, the stainless steel elastic backing ring 15, the stainless steel elastic pressing ring 16, the stainless steel net 17, the central shaft straight hole 18, the mist spray holes 19, the thick mist spray holes 20, the spiral distribution chamber 21, the transverse hole 22, the annular groove 23, the inserting ring 24, the inserting ring 25, the push rod 26, the conical distribution chamber 27, the second annular distribution chamber 28 and the dust cover.

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.

The present invention will be further described with reference to the following examples.

Example 1

As shown in fig. 1, 2, 3, 4, 5, a closed high-pressure uniform spray nozzle comprises a main body 1 and a heat-sensitive distribution glass 6, wherein a hollow frame 101 is fixedly connected to a bottom plate of the main body 1, the heat-sensitive distribution glass 6 is fixedly installed in the hollow frame 101, a tapered distribution chamber 26 is formed in the main body 1, a mist spray hole 18 and a dense mist spray hole 19 are uniformly formed in the lower end of the tapered distribution chamber 26 of the main body 1 along the circumferential direction, the angle between the mist spray hole 18 and the dense mist spray hole 19 is 33 ° or 66 °, the particle diameter sprayed by the mist spray hole 18 is less than or equal to 100 μm, the particle diameter sprayed by the dense mist spray hole 19 is less than or equal to 50 μm, the dense mist spray hole 19 is arranged above the mist spray hole 18, an atomization insert 9 is inserted in the main body 1, the bottom of the atomization insert 9 is higher than the position of the mist spray hole 18, a fourth ring 12 is fixedly connected in a groove in the outer wall of the atomization insert 9, the atomization insert 9 is clamped in the main body 1 through the fourth ring 12, various spraying is realized;

as shown in fig. 2, 3, 4, and 5, the atomizing insert 9 is provided with a dense fog distribution structure, the dense fog distribution structure includes a first annular distribution chamber 11, dense fog spray holes 19, a spiral distribution chamber 20, and a transverse hole 21, the transverse hole 21 is opened at the middle end of the inner wall of the atomizing insert 9, the first annular distribution chamber 11 is opened at the outer end of the transverse hole 21 of the atomizing insert 9, the spiral distribution chamber 20 is opened at the bottom of the first annular distribution chamber 11 of the atomizing insert 9, the second annular distribution chamber 27 is opened at the bottom of the spiral distribution chamber 20 of the atomizing insert 9, and the second annular distribution chamber 27 is right opposite to the dense fog spray holes 19, so as to implement pressurization treatment on water, and spray dense fog spray holes 19 with dense fog;

as shown in fig. 2, 3, 4 and 5, water in the atomizing insert 9 enters the dense fog spray hole 19 through the dense fog distribution structure, the piston 5 is in contact with the inner top of the main body 1 in an attaching manner, the fifth ring 13 is fixedly connected in the groove of the outer wall of the piston 5, the piston 5 is in clamping connection with the atomizing insert 9 through the fifth ring 13, the bottom of the piston 5 is fixedly connected with the push rod 25, the top of the heat-sensitive distribution glass 6 is in the groove of the bottom of the push rod 25, the supporting force of the heat-sensitive distribution glass 6 to the push rod 25 and the clamping force of the fifth ring 13 to the main body 1 are added to the water pressure in the central shaft straight hole 17, when the temperature is high, the heat-sensitive distribution glass 6 explodes the water pressure to push the piston 5 to move downwards, the piston 5 drives the push rod 25 to move to the lowest end, the water enters the conical distribution chamber 26 through the central shaft straight hole 17, the water enters the mist spray hole 18 in the mist spray hole 18 through the annular groove 22 and the conical distribution chamber 26 to spray mist spray out the mist, the water in the conical distribution chamber 26 enters the first annular distribution chamber 11 through the first annular distribution chamber 11 of the dense fog distribution structure, then enters the second annular distribution chamber 27 through the spiral distribution chamber 20, and then enters the dense fog spray holes 19 to spray dense fog from the dense fog spray holes 19, so that the thin fog and the dense fog can be sprayed simultaneously, the spray types of the nozzles are multiple, and the spraying effect is ideal during actual spraying;

as shown in fig. 1, 2, 3, 4 and 5, an annular groove 22 is formed at the joint of the push rod 25 and the piston 5, water in the main body 1 enters the mist spray holes 18 through the tapered distribution chamber 26 and the annular groove 22, a dust cover 28 for dust prevention is connected to the outer wall of the main body 1, a third circular ring 10 is fixedly connected to a lower end groove in the outer wall of the main body 1, the dust cover 28 is inserted into the outer wall of the main body 1 from the upper side of the main body 1, the main body 1 clamps the dust cover 28 through the third circular ring 10, the dust cover 28 covers the mist spray holes 18 and the concentrated mist spray holes 19, dust is prevented from entering the mist spray holes 18 and the concentrated mist spray holes 19 when a fire occurs, and the water pressure pushes the dust cover 28 to push the main body 1 when the fire occurs;

as shown in fig. 1, 2, 3, 4 and 5, the middle end of the main body 1 is connected with a top plate 2, the top plate 2 is connected with the top of the wall, a bump at the middle end of the outer wall of the main body 1 is in contact with the bottom of the top plate 2 in an attaching manner, a second circular ring 8 is fixedly connected with a groove formed in the middle end of the outer wall of the main body 1, and when the top plate 2 is in contact with the bump at the middle end of the outer wall of the main body 1, the bottom of the second circular ring 8 is in contact with the top of the top plate 2 in an attaching manner, so that the top plate 2 is clamped below the second circular ring 8;

as shown in fig. 1, 2, 3, 4 and 5, the top of the main body 1 is provided with a slot 23, the slot 23 is inserted in the insert ring 24, the top of the insert ring 24 is fixedly connected with a stainless steel elastic backing ring 14, the top of the stainless steel elastic backing ring 14 is in contact with a stainless steel mesh 16 in an attaching manner, the aperture of the stainless steel mesh 16 is smaller than 20 μm, the top of the stainless steel mesh 16 is in contact with a stainless steel elastic pressing ring 15 in an attaching manner, the stainless steel elastic backing ring 14, the stainless steel elastic pressing ring 15 and the stainless steel mesh 16 are in contact with the inner wall of the main body 1 in an attaching manner, the stainless steel mesh 16 filters water to prevent the mist spray holes 18 and the mist spray holes 19 from being blocked by water and prevent the spray holes from being blocked, the top of the stainless steel elastic pressing ring 15 is in contact with an extension pipe 4 in an attaching manner, the top of the main body 1 is in contact with a convex ring of the extension pipe 4 in an attaching manner, the convex ring of the extension pipe 4 is in contact with the inner top of the nut 3, a central axis straight hole 17 is formed in the extension pipe 4, main part 1 is through thread groove and 3 threaded connection of nut in the position department of roof 2 top, and the straight hole in top of nut 3 contacts with the outer wall laminating of extension pipe 4, the first ring 7 of fixedly connected with in the interior top recess of main part 1, and first ring 7 carries out the joint to extension pipe 4 when extension pipe 4 is inserted in main part 1.

When in use, the top plate 2 is connected with a water source, when the temperature is high, the thermosensitive distribution glass 6 explodes water pressure to push the piston 5 to move downwards, the piston 5 drives the push rod 25 to move to the lowest end, water enters the conical distribution chamber 26 through the central shaft straight hole 17, enters the mist spray holes 18 in the mist spray holes 18 through the annular groove 22 and the conical distribution chamber 26 to spray mist, the water in the conical distribution chamber 26 enters the first annular distribution chamber 11 through the first annular distribution chamber 11 of the dense mist distribution structure and then enters the second annular distribution chamber 27 through the spiral distribution chamber 20 and then enters the dense mist spray holes 19 to spray dense mist from the dense mist spray holes 19, the spray size of the dense mist spray holes 19 is less than or equal to 50 microns, the spray size of the mist spray holes 18 is less than or equal to 100 microns, the droplet size of the combined mist is respectively less than or equal to 50 microns and less than or equal to 100 microns, a Venturi effect is generated, the nozzle mainly aims at a flame core and cools regions such as rooms or buildings, and the supply of oxygen is cut off, can realize that the mist sprays simultaneously with the dense fog, and the nozzle sprays the type many, and the spraying effect is ideal when actually spraying, and the nozzle can be installed on the height between 5 meters to 8 meters, and simultaneously, stainless steel net 16 filters water, avoids water to block up mist orifice 18 and dense fog orifice 19, avoids the jet orifice to block up, and water pressure promotes dust cover 28 and pushes out from main part 1 when the condition of a fire appears. When no fire occurs, the dust cover 28 is covered on the mist spray holes 18 and the dense mist spray holes 19 to prevent dust from entering the mist spray holes 18 and the dense mist spray holes 19.

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 forms 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.