CN202398008U - Closed type high pressure fine spray sprinkler - Google Patents
Closed type high pressure fine spray sprinkler Download PDFInfo
- Publication number
- CN202398008U CN202398008U CN2011202561676U CN201120256167U CN202398008U CN 202398008 U CN202398008 U CN 202398008U CN 2011202561676 U CN2011202561676 U CN 2011202561676U CN 201120256167 U CN201120256167 U CN 201120256167U CN 202398008 U CN202398008 U CN 202398008U
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- atomizing
- nozzle
- temperature
- cylinder
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Abstract
The utility model relates to a closed type high pressure fine spray sprinkler, which comprises a hollow sprinkler seat, a nozzle with a water outlet hole, an atomization core and a temperature sensing mechanism capable of starting the water spraying automatically when the temperature exceeds the critical point, wherein the atomization core is arranged in the nozzle inner cavity, the upper portion of the atomization core forms into a cylinder shape, the lower portion of the atomization core forms a connecting part with two arc-shaped lateral walls and two parallel lateral walls oppositely arranged, and the two parallel lateral walls, the outer wall of the cylinder and the inner surface of the nozzle inner cavity form a water flowing through channel; the top end of the cylinder form an atomization counter hole and a plurality of atomization grooves; the water flowing through channel, the plurality of the atomization grooves and the water outlet hole are mutually communicated. According to the closed type middle-low pressure fine spray sprinkler, fine spray with spray drops uniform and fine, wide in atomization angle and small in drop size can be sprayed, spray effect is perfect, and extinguishing effect is good; simultaneously, the sprinkler is simple in structure and low in manufacturing cost; the actual application value is higher and higher, and the market prospect is better and better with national standard general technical specifications for water mist extinguishing systems and components to be issued and implemented.
Description
Technical field
The utility model relates to the atomization of liquid shower nozzle in the fire-fighting fire-extinguishing equipment, is specifically related to a kind of closed-type high-pressure water mist shower nozzle
Background technology
fine water mist fire-extinguishing system has advantages such as environmental protection, safety, extinguishing ability are strong, few, the water stain pollution of fire extinguishing water consumption is little and applied widely, is a kind of environmental protection, fire-fighting technique efficiently, in fire-fighting domain, is widely used.Fine mist spray head is the key element of fine water mist fire-extinguishing system, is the most important factor that influences the fire extinguishing system extinguishing property.According to the difference of Starting mode, fine mist spray head can be divided into two types of open type and encloseds, and wherein automatic sprinkler can be responded to fire and takes place, and starts spraying fire extinguishing action voluntarily.According to the difference of fine water mist fire-extinguishing system operating pressure, fine mist spray head can be divided into high-pressure type (fine mist spray head of P>=3.5Mpa) and the mesolow type (fine mist spray head of P≤3.5Mpa) again.In the high-pressure type fine mist spray head, nozzle is the critical component of the thin water smoke atomization quality of decision with the atomizing core, and nozzle all can influence atomizing effect with atomizing type, inner flow passage molded lines and the structural parameters etc. of atomizing core, and then influence fire extinguishing effect; But, because operating pressure is high, shower nozzle design and produce difficulty and cost of manufacture is also high.Therefore, how when improving the fire extinguishing effect, reducing the difficulty that designs and produces of shower nozzle, reduce the cost of fire extinguishing system, is to develop the problem that the heavy pressure fine spray shower nozzle must be considered
Summary of the invention
the utility model technical problem to be solved is the deficiency that overcomes prior art, provides that a kind of cost of manufacture is low, atomization characteristics good, the closed-type high-pressure water mist shower nozzle of good extinguishing effect.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of closed-type high-pressure water mist shower nozzle comprises hollow spray headstock with water inlet, is fixedly installed on nozzle and atomizing core on the said nozzle boss sidewall, and nozzle is provided with the apopore that can be connected with water inlet; Said shower nozzle also comprises temperature-sensitive mechanism, and this temperature-sensitive mechanism comprises that one is used to block the temperature-sensing element of water inlet, and this temperature-sensing element can break away from water inlet above under the temperature of its critical point, wherein:
Be formed with the nozzle chamber that is connected with apopore in the said nozzle, this nozzle chamber comprises cylinder chamber and the conical cavity that shrinks to the axis direction of cylinder chamber gradually from the last circumference of said cylinder chamber, and the osculum end and the apopore of said conical cavity join;
said atomizing core is arranged in the nozzle chamber; Cylinder is formed at the top of atomizing core; The connecting portion that can be connected with nozzle is formed at the bottom, and this connecting portion has two curved walls and two parallel side walls adjacent with curved wall that are oppositely arranged, and forms aquaporin between the inner surface of said two parallel side walls, cylindrical outer wall and nozzle chamber; In addition, the bottom of this connecting portion also offers mounting groove; Said cylindrical top mid portion caves inward and forms an atomizing counterbore, and cylindrical tip edge partly forms first taper seat, and first taper seat can fit with the inner surface of conical cavity; Cylindrical top also offers many atomizing grooves that extend to the atomizing counterbore from said first taper seat, and it is logical to be connected with each other between said aquaporin excessively, atomizing groove and the apopore.
are as a preferred version of the utility model; The end face of nozzle caves inward and forms second taper seat; The osculum end and the apopore of this second taper seat join, said cylinder chamber, conical cavity, apopore and the coaxial setting of second taper seat.
preferably, said atomizing counterbore can be the hole of parabolic shape for cylindrical hole, round taper hole or bottom.
preferably, the degree of depth of said atomizing counterbore account for the atomizing core height 1/6～1/3, the atomizing counterbore opening diameter account for 2/5 ~ 3/5 of cylindrical diameter.
preferably, the degree of depth of said atomizing groove account for the atomizing counterbore the degree of depth 1/3 ~ 2/3, the atomizing groove width account for the atomizing counterbore opening diameter 1/8 ~ 1/3.
preferably, in the floor projection of atomizing groove, the angle of the RADIAL direction of the horizontal-extending deviation in driction atomizing groove of atomizing groove is between 15 ° ~ 30 °.
preferably, in the vertical direction, the atomizing groove depart from cylindrical direction of axis line angle between 0 ° ~ 15 °.
preferably, said atomizing groove has 2 ~ 8, and the atomizing groove on cylindrical top along circumferentially evenly distributing.
are according to the further embodiment of the utility model; Said temperature-sensitive mechanism also comprises and is fixedly installed on the nozzle boss upper end and the top has the fixed support that tightens bolt; Said temperature-sensing element comprises and vertically is arranged in the nozzle boss and an end is blocked the support member of water inlet; And an end and the temperature-sensitive glass column that tightens that bolt offsets, the other end and support member offset, this temperature-sensitive glass column is fragmentation automatically when temperature postcritical temperature; Said shower nozzle also comprises the lower end that is arranged at nozzle boss and is positioned at the screen pack of support member below and the packing ring that pad places the screen pack below.In addition, a plurality of connecting holes have circumferentially evenly been laid in nozzle boss sidewall upper edge, and nozzle is to stretch in the connecting hole to be threaded mutually with nozzle boss.
Owing to take above technical scheme, the utility model compared with prior art has following advantage:
The closed-type high-pressure water mist shower nozzle of
the utility model can spray when putting out a fire that fogdrop diameter is little, droplet is evenly distributed fine and closely woven thin water smoke; Spray angle is wide; Good extinguishing effect, the utility model is simple in structure simultaneously, and cost of manufacture is also low.
Description of drawings
Below in conjunction with accompanying drawing and concrete embodiment the utility model is done further detailed explanation:
Fig. 1 is the main cross-sectional schematic of the utility model shower nozzle;
Fig. 2 is the nozzle sectional structure sketch map of the utility model;
Fig. 3 is the vertical view of Fig. 2;
Fig. 4 is the front view of the atomizing core of the utility model;
Fig. 5 is the vertical view of Fig. 4;
Fig. 6 is the upward view of Fig. 4;
Fig. 7 is the side view of Fig. 4;
Fig. 8 is that the A-A of Fig. 7 is to cross-sectional schematic;
Fig. 9 is the cross-sectional schematic of atomizing core among the embodiment 2;
Figure 10 is the cross-sectional schematic of atomizing core among the embodiment 3;
wherein: 1, nozzle boss; 10, water inlet; 11, cross aquaporin; 12, connecting hole; 2, nozzle; 20, apopore; 21, cylinder chamber; 22, conical cavity; 23, second taper seat; 3, atomizing core; 30, atomizing counterbore; 31, cylinder; 310, first taper seat; 32, connecting portion; 321, curved wall; 322, parallel side wall; 33, atomizing groove; 34, mounting groove; 4, temperature-sensitive glass column; 5, fixed support; 6, support member; 7, screen pack; 8, packing ring; 9, tighten bolt.
The specific embodiment
are done further detailed explanation below in conjunction with concrete embodiment to the utility model, but are not limited to these embodiment.
are referring to Fig. 1 to 8; Closed-type high-pressure water mist shower nozzle according to present embodiment; Comprise the hollow spray headstock 1 with water inlet 10, be fixedly installed on nozzle 2 and atomizing core 3 on nozzle boss 1 sidewall, the sidewall of nozzle boss 1 is along circumferentially evenly having offered a plurality of connecting holes 12; Nozzle 2 stretches in the connecting hole 12 and with nozzle boss 1 and is threaded mutually, and nozzle 2 is provided with the apopore 20 that can be connected with water inlet 10.Said shower nozzle also comprises temperature-sensitive mechanism, and this temperature-sensitive mechanism comprises that being fixedly installed on nozzle boss 1 upper end and top has fixed support 5 that tightens bolt 9 and the temperature-sensing element that is used to block water inlet 10; This temperature-sensing element is made up of support member 6 and the temperature-sensitive glass column 4 that is arranged on support member 6 tops; Wherein, Support member 6 vertically is arranged in the nozzle boss 1 and water inlet 10 is blocked in its lower end; One end of temperature-sensitive glass column 4 with tighten that bolt 9 offsets, the other end offsets with the upper end of support member 6, this temperature-sensitive glass column 4 is fragmentation automatically when temperature postcritical temperature.In addition, the shower nozzle of present embodiment also comprises the lower end that is arranged at nozzle boss 1 and is positioned at the screen pack 7 of support member 6 belows and the packing ring 8 that pad places screen pack 7 belows.
According to present embodiment; Be formed with the nozzle chamber that is connected with apopore 20 in the nozzle 2; Nozzle chamber comprises cylinder chamber 21 and the conical cavity 22 that shrinks to the axis direction of cylinder chamber 21 gradually from the last circumference of cylinder chamber 21, and the osculum end and the apopore 20 of conical cavity 22 join;
atomizing core 3 is arranged in the nozzle chamber; Cylinder 31 is formed at the top of atomizing core 3; The connecting portion 32 that can be connected with nozzle 2 is formed at the bottom; Connecting portion 32 has two curved walls 321 being oppositely arranged and two parallel side walls 322 adjacent with curved wall 321, in the present embodiment, has external screw thread on two curved walls 321; Have the internal thread that matches with said external screw thread on the inwall of nozzle chamber, so connecting portion 32 is threaded mutually with nozzle 2 through two curved walls 321.In addition, formed aquaporin 11 between the inner surface of the outer wall of two parallel side walls 322, cylinder 31 and nozzle chamber; The bottom of connecting portion 32 also offers mounting groove 34, is convenient to screwdriver usefulness is installed.The top mid portion of cylinder 31 caves inward and forms an atomizing counterbore 30, and the tip edge of cylinder 31 partly forms first taper seat 310, and this first taper seat 310 can fit tightly with the inner surface of the conical cavity 22 of nozzle 2 mutually; The top of cylinder 31 also offers many atomizing grooves 33 that extend to atomizing counterbore 30 from first taper seat 310, and it is logical to be connected with each other between aquaporin 11, atomizing groove 33 and the apopore 20 excessively.
are according to present embodiment; The end face of nozzle 2 also has second taper seat 23 that caves inward and form; The osculum end and the apopore 20 of this second taper seat 23 join, and coaxial setting between cylinder chamber 21, conical cavity 22, apopore 20 and second taper seat 23.The setting of second taper seat 23 makes apopore 20 outer air-flows form certain eddy current, helps the refinement again and increase spreading of spray of water smoke.
In the present embodiment, atomizing counterbore 30 is cylindrical, its degree of depth h
1
Account for the height h of atomizing core 3
0
1/6～1/3, opening diameter d
1
Account for the diameter d of cylinder 31
0
2/5 ~ 3/5.Atomizing groove 33 has 4, and atomizing groove 33 evenly distributes along circumferential on the top of cylinder 31.
in general; The degree of depth, width of atomizing groove 33 and atomizing groove 33 angle in the horizontal and vertical directions all can produce certain influence to atomizing effect, therefore need carry out test of many times to these parameters and grope and adjust to find out optimum range.Particularly, the degree of depth h of atomizing groove 33
2
Account for the degree of depth h of atomizing counterbore 30
1
1/3～2/3, width d
2
Account for the opening diameter d of atomizing counterbore 30
1
1/8 ~ 1/3 for well; In the floor projection of atomizing groove 33, the angle [alpha] of the RADIAL direction of the horizontal-extending deviation in driction atomizing groove 33 of atomizing groove 33 between 15 ° ~ 30 ° for well; In the vertical direction, the angle beta of the direction of axis line of atomizing groove 33 stray circle cylinders 31 between 0 ° ~ 15 ° for well.
In
this specification, the degree of depth of atomizing groove 33 is meant notch to the vertical range of bottom land on vertical plane, and width is meant two vertical ranges of elongated slot limit on horizontal plane of groove.
The operation principle of the closed-type high-pressure water mist shower nozzle of
present embodiment is: when temperature is under the normal temperature situation; When promptly not reaching the critical point temperature of temperature-sensitive glass column 4; Support member 6 is blocked water inlet 10, and this moment, shower nozzle was in the idle state of enclosed sealing; In case breaking out of fire; When near the temperature the temperature-sensitive glass column 4 rose to the critical point temperature above temperature-sensitive glass column 4, temperature-sensitive glass column 4 was broken automatically, and support member 6 loses and supports and be separated with water inlet 10; Pressure water source (high-pressure water) is pressed into the shower nozzle from water inlet 10; Flow through successively nozzle chamber, cross aquaporin 11, atomizing groove 33, and after fierce collision and turbulent motion take place in atomizing counterbore 30, finally from the apopore 20 of nozzle 2, spray; Make shower nozzle be in the atomize of open type, shower nozzle can in time be brought into play fire-extinguishing function concurrently.
pressure water is derived from water inlet 10 and flows into again in the process of apopore 20 ejections; Through the multiple action of atomizing groove 33, atomizing counterbore 30 and second conical surface 23 etc., current through repeatedly collision, turn to and swirling motion, the thin water smoke droplet that makes the shower nozzle that adopts present embodiment eject is evenly fine and closely woven, atomization angle is wide, particle diameter is small; Atomizing effect is desirable; Good extinguishing effect, the closed-type high-pressure water mist nozzle structure of present embodiment is simple simultaneously, and cost of manufacture is low.Along with national standard " fine water mist fire-extinguishing system and parts general technical specifications " is about to issuing and implementation, this atomizer will demonstrate the heal high actual application value and the wide market application foreground that heals.
are as shown in Figure 9, and the closed-type high-pressure water mist shower nozzle of present embodiment and the difference of embodiment 1 counterbore 30 that is to atomize is conical, and other structure and parameters are identical with embodiment's 1.The shower nozzle of present embodiment can reach the spray effect of embodiment 1 equally.
are shown in figure 10, and the closed-type high-pressure water mist shower nozzle of present embodiment and the difference of embodiment 1 counterbore 30 that is to atomize is holes that the bottom surface is parabolic shape, and other structure and parameters are identical with embodiment's 1.The shower nozzle of present embodiment can reach the spray effect of embodiment 1 equally.
More than the utility model has been done detailed description; Its purpose is to let the personage that is familiar with this art can understand the content of the utility model and implements; Can not limit the protection domain of the utility model with this; All equivalences of doing according to the spirit of the utility model change or modify, and all should be encompassed in the protection domain of the utility model
Claims (10)
1.
A kind of closed-type high-pressure water mist shower nozzle; Comprise have water inlet (10) hollow spray headstock (1), be fixedly installed on said nozzle boss (1) sidewall nozzle (2) and the atomizing core (3), said nozzle (2) is provided with the apopore (20) that can be connected with said water inlet (10); Said shower nozzle also comprises temperature-sensitive mechanism, and temperature-sensitive mechanism comprises that one is used to block the temperature-sensing element of said water inlet (10), and this temperature-sensing element can break away from said water inlet (10) above under the temperature of its critical point, it is characterized in that:
Be formed with the nozzle chamber that is connected with said apopore (20) in the said nozzle (2); Said nozzle chamber comprises cylinder chamber (21) and the conical cavity (22) that shrinks to the axis direction of said cylinder chamber (21) gradually from the last circumference of said cylinder chamber (21), and the osculum end of said conical cavity (22) and said apopore (20) join;
said atomizing core (3) is arranged in the said nozzle chamber; Cylinder (31) is formed at the top of said atomizing core (3); The connecting portion (32) that can be connected with said nozzle (2) is formed at the bottom; Said connecting portion (32) has two curved walls (321) that are oppositely arranged and two parallel side walls (322) adjacent with said curved wall (321); Formed aquaporin (11) between the outer wall of said two parallel side walls (322), said cylinder (31) and the inner surface of said nozzle chamber, the bottom of said connecting portion (32) offers mounting groove (34); The top mid portion of said cylinder (31) caves inward and forms an atomizing counterbore (30); The tip edge of said cylinder (31) partly forms first taper seat (310), and said first taper seat (310) can fit with the inner surface of said conical cavity (22); The top of said cylinder (31) also offers many atomizing grooves (33) that extend to said atomizing counterbore (30) from said first taper seat (310), and said aquaporin (11), atomizing groove (33) and the said apopore (20) crossed is connected with each other logical.
2.
closed-type high-pressure water mist shower nozzle according to claim 1; It is characterized in that: the end face of said nozzle (2) caves inward and forms second taper seat (23); The osculum end of this second taper seat (23) and said apopore (20) join, said cylinder chamber (21), conical cavity (22), apopore (20) and the coaxial setting of second taper seat (23).
3.
closed-type high-pressure water mist shower nozzle according to claim 1 is characterized in that: said atomizing counterbore (30) is the hole of parabolic shape for cylindrical hole, round taper hole or bottom.
4.
According to claim 1 or 3 described closed-type high-pressure water mist shower nozzles, it is characterized in that: the degree of depth h of said atomizing counterbore (30) 1 Account for the height h of said atomizing core (3) 0 1/6～1/3, the opening diameter d of said atomizing counterbore (30) 1 Account for the diameter d of said cylinder (31) 0 2/5 ~ 3/5.
5.
Closed-type high-pressure water mist shower nozzle according to claim 4 is characterized in that: the degree of depth h of said atomizing groove (33) 2 Account for the degree of depth h of said atomizing counterbore (30) 1 1/3 ~ 2/3, the atomizing groove (33) width d 2 Account for the opening diameter d of said atomizing counterbore (30) 1 1/8 ~ 1/3.
6.
closed-type high-pressure water mist shower nozzle according to claim 1; It is characterized in that: in the floor projection of said atomizing groove (33), the angle [alpha] of the RADIAL direction of the horizontal-extending deviation in driction of atomizing groove (33) atomizing groove (33) is between 15 ° ~ 30 °.
7.
closed-type high-pressure water mist shower nozzle according to claim 1 is characterized in that: in the vertical direction, said atomizing groove (33) depart from the angle beta of direction of axis line of said cylinder (31) between 0 ° ~ 15 °.
8.
closed-type high-pressure water mist shower nozzle according to claim 1, it is characterized in that: said atomizing groove (33) has 2 ~ 8, and atomizing groove (33) on the top of cylinder (31) along circumferentially evenly distributing.
9.
closed-type high-pressure water mist shower nozzle according to claim 1; It is characterized in that: said temperature-sensitive mechanism also comprises and is fixedly installed on said nozzle boss (1) upper end and the top has the fixed support (5) that tightens bolt (9); Said temperature-sensing element comprises and vertically is arranged in the said nozzle boss (1) and an end is blocked the support member (6) of said water inlet (10); And end and said tightens that bolt (9) offsets, the other end and said support member (6) offset a temperature-sensitive glass column (4), said temperature-sensitive glass column (4) can be broken automatically when temperature postcritical temperature; Said shower nozzle also comprises the lower end that is arranged at said nozzle boss (1) and is positioned at the screen pack (7) of said support member (6) below and the packing ring (8) that pad places said screen pack (7) below.
10.
Closed-type high-pressure water mist shower nozzle according to claim 1; It is characterized in that: a plurality of connecting holes (12) have circumferentially evenly been laid in said nozzle boss (1) sidewall upper edge, and said nozzle (2) stretches in the said connecting hole (12) and with said nozzle boss (1) and is threaded mutually
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202561676U CN202398008U (en) | 2011-07-20 | 2011-07-20 | Closed type high pressure fine spray sprinkler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202561676U CN202398008U (en) | 2011-07-20 | 2011-07-20 | Closed type high pressure fine spray sprinkler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202398008U true CN202398008U (en) | 2012-08-29 |
Family
ID=46695689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202561676U Expired - Lifetime CN202398008U (en) | 2011-07-20 | 2011-07-20 | Closed type high pressure fine spray sprinkler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202398008U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105228705A (en) * | 2013-06-10 | 2016-01-06 | 郑寅镇 | Sprinkler tip |
| CN110496716A (en) * | 2019-09-18 | 2019-11-26 | 宁波太中塑业有限公司 | Eddy current type desulfurization and dust removal showerhead |
| CN115226609A (en) * | 2022-09-21 | 2022-10-25 | 潍坊市园林环卫服务中心 | Gardens watering lorry |
-
2011
- 2011-07-20 CN CN2011202561676U patent/CN202398008U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105228705A (en) * | 2013-06-10 | 2016-01-06 | 郑寅镇 | Sprinkler tip |
| CN105228705B (en) * | 2013-06-10 | 2018-01-30 | 郑寅镇 | Sprinkler tip |
| CN110496716A (en) * | 2019-09-18 | 2019-11-26 | 宁波太中塑业有限公司 | Eddy current type desulfurization and dust removal showerhead |
| CN110496716B (en) * | 2019-09-18 | 2024-06-04 | 宁波太中实业有限公司 | Vortex desulfurizing dust-removing spray head |
| CN115226609A (en) * | 2022-09-21 | 2022-10-25 | 潍坊市园林环卫服务中心 | Gardens watering lorry |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120829 |