CN104014438A - Nozzle device - Google Patents

Nozzle device Download PDF

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Publication number
CN104014438A
CN104014438A CN201310442264.8A CN201310442264A CN104014438A CN 104014438 A CN104014438 A CN 104014438A CN 201310442264 A CN201310442264 A CN 201310442264A CN 104014438 A CN104014438 A CN 104014438A
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CN
China
Prior art keywords
nozzle
spray
matrix
swivel
swivel nozzle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201310442264.8A
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Chinese (zh)
Other versions
CN104014438B (en
Inventor
楠伸治
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ksk Of Co Ltd
KSK Co Ltd
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Ksk Of Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Publication of CN104014438A publication Critical patent/CN104014438A/en
Application granted granted Critical
Publication of CN104014438B publication Critical patent/CN104014438B/en
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Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C31/00—Delivery of fire-extinguishing material
    • A62C31/02—Nozzles specially adapted for fire-extinguishing
    • A62C31/05—Nozzles specially adapted for fire-extinguishing with two or more outlets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/02—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape
    • B05B1/08—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape of pulsating nature, e.g. delivering liquid in successive separate quantities ; Fluidic oscillators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/02—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
    • B05B15/65—Mounting arrangements for fluid connection of the spraying apparatus or its outlets to flow conduits
    • B05B15/652—Mounting arrangements for fluid connection of the spraying apparatus or its outlets to flow conduits whereby the jet can be oriented
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
    • B05B15/68—Arrangements for adjusting the position of spray heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
    • B05B3/025—Rotational joints
    • B05B3/026—Rotational joints the fluid passing axially from one joint element to another

Abstract

The present invention provides a nozzle device comprising: a solid cylindrical body member in which a supply opening and nozzle insertion holes are formed; hollow rotatable nozzles which are rotatably inserted through the nozzle insertion holes and which protrude to the discharge side; and a hollow cylindrical rotatable ring which is rotatably fitted over the outside of the body member. The axis of a hole in the front end of the protrusion of each of the rotatable nozzles is tilted relative to the axis of the base section of the rotatable nozzle, the base section being internally in contact with the nozzle insertion hole. Rotation transmission mechanisms which transmit the rotation of the rotatable ring to the rotatable nozzles are provided to the base sections of the rotatable nozzles and to the inner peripheral surface of the rotatable ring. As a result of this configuration, rotating the rotatable ring enables a change in the angle of discharge of liquid which is discharged from the nozzle device.

Description

Spray nozzle device
Technical field
The present invention relates to spray nozzle device.More specifically, relate to the liquid such as injection water and can make the angle continually varying spray nozzle device of atomizing of liquids.
Background technology
As the spray nozzle device of the liquid such as injection water, known have single port and as the crow flies injection water single port nozzle, by a plurality of fine holes, be the shower type nozzle (Shower Nozzle) of shower shape or spray form ground injection water.
Single port nozzle sprays for long distance, because exerting pressure, compared with having by force and also destructive power, is used widely, still cannot have the injection of range.On the other hand, shower type nozzle is used for spreading injection, can have the injection of range, and a little less than exerting pressure and for hair washing or gardening, but range is shorter.
Even, also there is the turnover of pin that can be by jet central authorities and spray regime switched to the nozzle of the states such as vaporific, diffusion type, shower shape, jet flow shape in single port nozzle.This nozzle has single port nozzle and shower type nozzle feature separately, when for jet flow shape, can carry out the injection of long-range and close limit, when for vaporific, diffusion type, shower shape, can carry out short range and have the injection of range, but cannot carry out long-range and have the injection of range.
Yet, as one of main application of spray nozzle device, can enumerate its use in fire extinguishing operation.In the fighting nozzle using, in order to ensure the safety of carrying out the people of fire-fighting operation, adopt the single port nozzle being suitable for to distant place water spray in fire extinguishing operation.While using single port nozzle to spray water, exist because exerting pressure compared with having advantages of that by force and also destructive power can get rid of some barriers and put out a fire.But, use single port nozzle cannot have the water spray of range.Therefore, in the situation that the area that needs are put out a fire is larger, need limit suitably to change the operation of putting out a fire towards limit of fighting nozzle, thereby the people's of the operation that makes to put out a fire burden increases, fire extinguishing required time also extends.
Therefore,, as can be to water spray at a distance and the nozzle of the area of can also guaranteeing to spray water, develop a kind of by thering are many mouthfuls of nozzles wider spray regime and that can access middle and long distance range from liquid such as the angled a plurality of nozzle ejection water of tool.
In TOHKEMY 2009-291699 communique (patent documentation 1), recorded the fire extinguishing spray nozzle device with a plurality of nozzle cylindrical shells.The fire extinguishing spray nozzle device of recording in patent documentation 1, adopts surrounding at central nozzle cylindrical shell to be provided with towards front end and along the structure of the periphery nozzle cylindrical shell of the direction inclination away from central nozzle cylindrical shell.Therefore, compare with single port nozzle, can carry out more large-area fire extinguishing.
Yet the fire extinguishing of recording at patent documentation 1 is with in spray nozzle device, because the inclination angle of periphery nozzle cylindrical shell is fixed, so jet angle fix, thereby cannot not change the operation of putting out a fire position the area that makes to spray water change accordingly with the area that will put out a fire.Therefore, need to make many mouthfuls of nozzles of jet angle variation always.
Therefore,, in TOHKEMY 2012-135460 communique (patent documentation 2), motion has a kind of spray nozzle device for fire extinguishing (with reference to Fig. 5 of patent documentation 2) of tilt angle varied of the periphery nozzle that can make to form many mouthfuls of nozzles.
The fire extinguishing of recording at patent documentation 2 is with in spray nozzle device, towards water spray side, mutually there is the front end of the motionless branched pipe of the angle of opening, having by metal joint movable sparge pipe to rotate the periphery nozzle of 2 level structures that mode links freely.And, by making angular adjustment axle along moving axially, and make movable sparge pipe be supported on the change in location of angular adjustment axle, make the tilt angle varied of movable sparge pipe, wherein, angular adjustment axle supports movable sparge pipe in the mode of the rotation interlock of the ring portion with angular adjustment apparatus from outside.
Prior art document
Patent documentation 1: TOHKEMY 2009-291699 communique
Patent documentation 2: TOHKEMY 2012-135460 communique
Summary of the invention
The problem that invention will solve
Yet, the fire extinguishing spray nozzle device of recording in patent documentation 2, need to be with metal joint (Joint Fitting) by movable sparge pipe to rotate mode and the link of motionless branched pipe freely, be conventionally considered to because of complex structure cost higher.In addition,, in order to change the angle of movable sparge pipe, ring portion that need to be by making angle regulator is rotated along the screw of trunk, and makes the angular adjustment axle that supports movable sparge pipe from outside along moving axially.And, in patent documentation 2, record the content (with reference to the paragraph [0018] of patent documentation 2) that needs stronger power in order to make the ring portion rotation of angle regulator.
Although do not express the reason of the structure of the power that the rotation needs of the ring portion that adopts angle regulator why are stronger, be commonly referred to be because the hydraulic pressure that puts on movable sparge pipe along the direction of angle regulator being pushed to a side contrary to the side of spraying water this reason that works.Thus, this is because with regard to can making structure that the ring portion of angle regulator easily rotates, exist ring portion to make the possibility of the Angulation changes of movable sparge pipe because hydraulic pressure rotates.
The fire extinguishing of recording at patent documentation 2 is with in spray nozzle device, owing to need to make with stronger power as described above the ring portion rotation of angular adjustment apparatus in order to change water spray angle, so it has been generally acknowledged that change water spray angle is larger burden for fire extinguishing operator between fire extinguishing operational period.
Therefore the problem that, the present invention will solve is to provide and a kind ofly can changes jet angle, simple in structure and easily change the spray nozzle device of jet angle.
For solving the means of problem
In order to solve above-mentioned problem, present inventor conducts in-depth research, result is to have expected having the spray nozzle device of the structure of a plurality of nozzles rotations that the nozzle bore that makes leading section tilts with respect to rotating shaft, is used as simple in structure and easily changes the spray nozzle device of jet angle.Therefore the spray nozzle device, the present invention relates to adopts following means.
First, the spray nozzle device of a first aspect of the present invention, the liquid such as its injection water, comprising: matrix, it is formed with and receives the supply port of liquid supply and be communicated with this supply port and at more than 2 spray-hole of the ejection side opening of liquid; Swivel nozzle, it is more than 2, is configured in accordingly this matrix with this spray-hole, and locks at this matrix to rotate mode freely; And control assembly, it controls the rotation of this swivel nozzle,
At above-mentioned swivel nozzle, be formed with the nozzle bore that the liquid that flows into the spray-hole of above-mentioned matrix is sprayed to the ejection side of spray nozzle device,
The axle in the said nozzle hole of the leading section of the ejection side of above-mentioned swivel nozzle tilts with respect to the rotating shaft of this swivel nozzle,
Between above-mentioned control assembly and above-mentioned swivel nozzle, there is the rotation control mechanism that makes this swivel nozzle rotation by the operation of this control assembly.
According to this first aspect, by operation control assembly, can utilize the effect of rotation control mechanism make a plurality of swivel nozzles rotate to change swivel nozzle leading section nozzle bore towards, can change the injection direction of the liquid spraying from each swivel nozzle.
And along with the injection direction of the liquid spraying from each swivel nozzle changes, the relative direction of the liquid spraying from each swivel nozzle changes, and therefore can make the liquid spray angle of spray nozzle device change.
And, because the variation of jet angle makes swivel nozzle rotate to realize by operation control assembly, so can be with simple structure modify jet angle.
In addition, due to the front end at swivel nozzle changed towards the pressure of liquid play the effect that swivel nozzle is released to the axial ejection side of swivel nozzle, so roughly bearing hardly the pressure of liquid in the direction of rotation of the swivel nozzle of quadrature with above-mentioned direction.Therefore, for making the operation of the control assembly of swivel nozzle rotation bear hardly the pressure of liquid, so even if the pressure of liquid is very high, also can enoughly the jet angle of liquid easily be changed compared with little power operation control assembly.
Then, a second aspect of the present invention is the spray nozzle device that above-mentioned first aspect relates to, and wherein, has the rotating ring of tubular as above-mentioned control assembly, and this rotating ring covers the peripheral part of above-mentioned matrix in the mode freely of rotating,
Above-mentioned swivel nozzle is inserted and to be led in above-mentioned spray-hole, with the outstanding state configuration of the ejection side to liquid at above-mentioned matrix,
Above-mentioned swivel nozzle locks at this matrix to rotate mode freely in the inner side of above-mentioned matrix, and the protuberance of this swivel nozzle that the ejection side from above-mentioned spray-hole to liquid is outstanding locks the outside at this matrix in the ejection side of the liquid of this matrix to rotate mode freely
Between the inner peripheral surface of above-mentioned rotating ring and the protuberance in the face of the above-mentioned swivel nozzle of this inner peripheral surface, there is the rotation control mechanism that makes this swivel nozzle rotation by the rotary manipulation of this rotating ring.
According to this second aspect, the rotating ring as control assembly is rotated to operation, by rotation control mechanism, a plurality of swivel nozzles are rotated, can make thus the liquid spray angle of spray nozzle device change.
And, because the variation of jet angle is that rotary manipulation by rotating ring makes swivel nozzle rotate to realize, so can be with simple structure modify jet angle.
Then, a third aspect of the present invention is the spray nozzle device that above-mentioned first aspect relates to, and wherein, above-mentioned matrix comprises being formed with the matrix main body of above-mentioned spray-hole and above-mentioned supply port and being formed with the above-mentioned swivel nozzle of confession inserts the lid in logical hole,
In the ejection side of matrix, dispose dial and be used as above-mentioned control assembly,
Above-mentioned spray-hole is along with the ejection side of side wall portion cylindraceous to above-mentioned matrix main body forms highlightedly,
Above-mentioned swivel nozzle is inserted into state configuration in the nozzle bore of this swivel nozzle in above-mentioned matrix main body with the side wall portion of above-mentioned spray-hole,
Above-mentioned swivel nozzle is given prominence to the ejection side of above-mentioned matrix from being formed on the hole of above-mentioned lid,
The end of the above-mentioned matrix side of above-mentioned swivel nozzle is sandwiched between the above-mentioned lid and this matrix main body that is fixed on above-mentioned matrix main body, and this swivel nozzle locks at this matrix to rotate mode freely,
Between the outstanding protuberance from above-mentioned lid of above-mentioned dial and above-mentioned swivel nozzle, there is the rotation control mechanism that makes this swivel nozzle rotation by the rotary manipulation of this dial.
According to this third aspect, the dial as control assembly is rotated to operation, by rotation control mechanism, a plurality of swivel nozzles are rotated, can make thus the liquid jet angle of spray nozzle device change.
And, because the variation of jet angle is that rotary manipulation by dial makes swivel nozzle rotate to realize, so can be with simple structure modify jet angle.
Then, a fourth aspect of the present invention is the spray nozzle device that above-mentioned first aspect relates to, and wherein, above-mentioned matrix comprises being formed with the matrix main body of above-mentioned spray-hole and above-mentioned supply port and being formed with makes above-mentioned swivel nozzle insert the lid in logical hole,
At the peripheral part of above-mentioned matrix, dispose bar and be used as above-mentioned control assembly,
Above-mentioned swivel nozzle is inserted in the end of above-mentioned matrix main body side and under the state in above-mentioned spray-hole, is configured in above-mentioned matrix main body,
The leading section of above-mentioned swivel nozzle is given prominence to the ejection side of above-mentioned matrix from being formed on the hole of above-mentioned lid,
Above-mentioned swivel nozzle is sandwiched between the above-mentioned lid and this matrix main body that is fixed on above-mentioned matrix main body, and locks at this matrix to rotate mode freely,
Between above-mentioned bar and above-mentioned swivel nozzle, have by change this bar towards operation make the rotation control mechanism of this swivel nozzle rotation.
According to this fourth aspect, utilize to change as the bar of control assembly towards operation, by rotation control mechanism, a plurality of swivel nozzles are rotated, can make thus the liquid jet angle of spray nozzle device change.
And, due to the variation of jet angle be by change bar towards operation make swivel nozzle rotate to realize, so can be with simple structure modify jet angle.
Then, a fifth aspect of the present invention is the spray nozzle device that above-mentioned first aspect relates to the either side in fourth aspect, wherein, above-mentioned swivel nozzle comprises having the leading section of liquid ejection outlet and lock the swivel nozzle main body at above-mentioned matrix to rotate mode freely, the nozzle bore of this leading section is along the axial formation of this leading section, and this leading section is installed obliquely with respect to swivel nozzle main body.
According to the 5th aspect, if due to see the profile of the leading section of swivel nozzle can know swivel nozzle leading section nozzle bore towards, so easily control swivel nozzle leading section nozzle bore towards.
Then, a sixth aspect of the present invention is the spray nozzle device that above-mentioned first aspect relates to the either side in fourth aspect, wherein, above-mentioned swivel nozzle comprises leading section and forms as one, the axle of this leading section and the rotating shaft of this swivel nozzle are same axles, and the nozzle bore of this leading section is formed obliquely with respect to the rotating shaft of this swivel nozzle.
According to the 6th aspect, because comprising leading section, swivel nozzle forms as one interiorly, so can reduce the number of components of spray nozzle device.And, because the axle of leading section and the rotating shaft of swivel nozzle of swivel nozzle is same axle, so leading section can be because operation control assembly vibrate, therefore easy manipulating nozzles device.
Then, a seventh aspect of the present invention is the spray nozzle device that above-mentioned first aspect relates to the either side in fourth aspect, and wherein, above-mentioned rotation control mechanism can make each above-mentioned swivel nozzle same angle of rotating photo simultaneously,
Above-mentioned swivel nozzle towards adjusted, make each swivel nozzle front end hole simultaneously with respect to the center of the ejection side of spray nozzle device towards outermost.
According to the 7th aspect, due to each swivel nozzle simultaneously rotating photo with angle, so be well-regulated from the relative variation of the direction of each swivel nozzle atomizing of liquids, the jet angle of spray nozzle device changes regularly, therefore easily controls jet angle.
Then, a eighth aspect of the present invention is the spray nozzle device that above-mentioned first aspect relates to the either side in fourth aspect, wherein, the rotating shaft of above-mentioned swivel nozzle that is configured in accordingly above-mentioned matrix with above-mentioned spray-hole is with respect to the axle of the injection direction of said nozzle device, parallel or towards ejection side and along the direction at the center of the ejection side away from this spray nozzle device, tilt with interior angle with 20 degree.
According to this eight aspect, because the rotating shaft of swivel nozzle is less with respect to the inclination of the axle of spray nozzle device, so can the profile of spray nozzle device be suppressed littlely.
Then, a ninth aspect of the present invention is the spray nozzle device that above-mentioned eight aspect relates to, and wherein, the axle of the nozzle bore of the leading section of above-mentioned swivel nozzle tilts with interior angle with 20 degree with respect to the rotating shaft of this swivel nozzle.
According to the 9th aspect, the inclination angle tilting with respect to the axle of spray nozzle device due to the rotating shaft of swivel nozzle is, the inclination angle that the axle of the nozzle bore of the leading section of swivel nozzle tilts with respect to the rotating shaft of swivel nozzle is all smaller, thus can be effectively to medium range and even long-range and there is the object of range to carry out liquid injection.
Then, a tenth aspect of the present invention is the spray nozzle device that above-mentioned the 7th aspect relates to, wherein, the rotating shaft of above-mentioned swivel nozzle is identical with respect to the inclination angle of the rotating shaft inclination of this swivel nozzle towards the inclination angle of direction inclination and the axle of the nozzle bore of the leading section of this swivel nozzle at the center away from ejection side with respect to the axle of said nozzle device.
According to the tenth aspect, the nozzle bore of the front end of each swivel nozzle is with respect to the center of the ejection side of spray nozzle device when the inner side, and the axle of the nozzle bore of the front end of each swivel nozzle is parallel with the axle of spray nozzle device.Thus, the jet angle of atomizing of liquids not only can be changed, straight injection can also be carried out.
Then, a eleventh aspect of the present invention is the spray nozzle device that above-mentioned first aspect relates to the either side in fourth aspect, wherein, the rotating shaft of above-mentioned swivel nozzle that is configured in accordingly above-mentioned matrix with above-mentioned spray-hole is with respect to the axle of the injection direction of said nozzle device, with 20 degree, with interior angle, towards ejection side and along the direction at the center of the ejection side near this spray nozzle device, tilts.
According to the tenth one side, because the rotating shaft of swivel nozzle is less with respect to the inclination of the axle of spray nozzle device, so can the profile of spray nozzle device be suppressed littlely.
Then, a twelveth aspect of the present invention is the spray nozzle device that above-mentioned first aspect relates to the either side in fourth aspect, wherein, at above-mentioned matrix, be formed with central injection hole, this central injection hole is at the central portion opening of the ejection side of this matrix and be communicated with above-mentioned supply port in the inside of this matrix.
According to the 12 aspect, also can atomizing of liquids at the middle body of the spray regime of liquid.
Then, a thirteenth aspect of the present invention is the spray nozzle device that above-mentioned second aspect relates to, and wherein, the ejection side of above-mentioned swivel nozzle on above-mentioned matrix is configured on same circumference,
The protuberance of above-mentioned swivel nozzle has gear at the base portion of above-mentioned matrix one side, is formed with the ring gear meshing with this gear at the inner peripheral surface of facing the above-mentioned rotating ring of this gear.
According to the tenth three aspects:, the gear having by the base portion making at the protuberance of swivel nozzle meshes with the ring gear that the inner peripheral surface at rotating ring forms, and utilizes the rotary manipulation of rotating ring to make swivel nozzle rotation.And rotation control mechanism comprises gear and ring gear and forms, due to simple in structure and number of components is few, so processing ease, durability is high and safeguard easily.
Then, a fourteenth aspect of the present invention is the spray nozzle device that above-mentioned the tenth three aspects: relates to, and wherein, the rotating shaft of above-mentioned swivel nozzle tilts towards ejection side and towards the radial outside of this spray nozzle device with respect to the axle of said nozzle device,
The ring gear forming at the inner peripheral surface of above-mentioned rotating ring to be to be equal to or less than the angle at inclination angle of the rotating shaft of this swivel nozzle, towards ejection side and towards the outside diameter of this rotating ring, is formed obliquely.
According to the 14 aspect, because the tooth of ring gear when the engagement of gear and ring gear is towards the lopsidedness tilting, so the engagement of ring gear and gear is good, the smooth rotation of gear, the durability of spray nozzle device is improved.
Then, a fifteenth aspect of the present invention is the spray nozzle device that above-mentioned second aspect relates to, and wherein, has and make this rotating ring lock the locking mechanism at this matrix to rotate mode freely between above-mentioned matrix and above-mentioned rotating ring.
According to the 15 aspect, owing to having, make rotating ring lock the locking mechanism at matrix to rotate mode freely, so rotating ring can not come off from matrix in common operation.
Invention effect
According to the various aspects of the invention described above, can access following effect.
First, according to above-mentioned first aspect, by operation control assembly, can utilize the effect of rotation control mechanism make a plurality of swivel nozzles rotate to change swivel nozzle leading section nozzle bore towards, can change the injection direction of the liquid spraying from each swivel nozzle.
And along with the injection direction of the liquid spraying from each swivel nozzle changes, the relative direction of the liquid spraying from each swivel nozzle changes, and therefore can make the liquid spray angle of spray nozzle device change.
And, because the variation of jet angle makes swivel nozzle rotate to realize by operation control assembly, so can be with simple structure modify jet angle.
In addition, due to the leading section at swivel nozzle changed towards the pressure of liquid play the effect that swivel nozzle is released to the axial ejection side of swivel nozzle, so roughly bearing hardly the pressure of liquid in the direction of rotation of the swivel nozzle of quadrature with above-mentioned direction.Therefore, for making the operation of the control assembly of swivel nozzle rotation bear hardly the pressure of liquid, so even if the pressure of liquid is very high, also can enoughly the jet angle of liquid easily be changed compared with little power operation control assembly.
Then, according to above-mentioned second aspect, the rotating ring as control assembly is rotated to operation, by rotation control mechanism, a plurality of swivel nozzles is rotated, can make thus the liquid spray angle of spray nozzle device change.And, because the variation of jet angle is that rotary manipulation by rotating ring makes swivel nozzle rotate to realize, so can be with simple structure modify jet angle.
Then, according to the above-mentioned third aspect, the dial as control assembly is rotated to operation, by rotation control mechanism, a plurality of swivel nozzles is rotated, can make thus the liquid jet angle of spray nozzle device change.And, because the variation of jet angle is that rotary manipulation by dial makes swivel nozzle rotate to realize, so can be with simple structure modify jet angle.
Then, according to above-mentioned fourth aspect, change as the bar of control assembly towards operation, by rotation control mechanism, a plurality of swivel nozzles are rotated, can make thus the liquid jet angle of spray nozzle device change.And, due to the variation of jet angle be by change bar towards operation make swivel nozzle rotate to realize, so can be with simple structure modify jet angle.
Then, according to above-mentioned the 5th aspect, as long as due to see the profile of the leading section of swivel nozzle can know swivel nozzle leading section nozzle bore towards, so easily hold swivel nozzle leading section nozzle bore towards.
Then,, according to above-mentioned the 6th aspect, because comprising leading section, swivel nozzle forms as one interior, so can reduce the number of components of spray nozzle device.And, because the axle of leading section and the rotating shaft of swivel nozzle of swivel nozzle is same axle, so the leading section of swivel nozzle can be because operation control assembly shake, therefore easy manipulating nozzles device.
Then, according to above-mentioned the 7th aspect, because the jet angle of spray nozzle device changes regularly, so easily carry out the control of jet angle.Then, according to above-mentioned eight aspect, because the rotating shaft of swivel nozzle is less with respect to the inclination of the axle of spray nozzle device, so can the profile of spray nozzle device be suppressed littlely.
Then, according to above-mentioned the 9th aspect, can be effectively to medium range and even long-range and there is the object of range to carry out liquid injection.
Then, according to above-mentioned the tenth aspect, the jet angle of atomizing of liquids not only can be changed, straight injection can also be carried out.
Then, according to above-mentioned the tenth one side, because the rotating shaft of swivel nozzle is less with respect to the inclination of the axle of spray nozzle device, so can the profile of spray nozzle device be suppressed littlely.
Then, according to above-mentioned the 12 aspect, also can atomizing of liquids at the middle body of the spray regime of liquid.
Then, according to above-mentioned the tenth three aspects:, rotation control mechanism comprises gear and ring gear and forms, due to simple in structure and number of components is few, so processing ease, durability is high and safeguard easily.
Then, according to above-mentioned the 14 aspect, the engagement of ring gear and gear is good, the smooth rotation of gear, and the durability of spray nozzle device is improved.
Then,, according to above-mentioned the 15 aspect, in common operation, rotating ring can not come off from matrix.
Accompanying drawing explanation
Fig. 1 represents the figure of structure of the spray nozzle device of embodiment 1 by a part of cross section.
Fig. 2 observes the figure of the spray nozzle device of embodiment 1 from ejection side.
Fig. 3 is the figure of explanation variation of the direction of injection water in the spray nozzle device of embodiment 1.
Fig. 4 is the figure that the focus of spray nozzle device of the present invention is described.
Fig. 5 represents the figure of structure of the spray nozzle device of embodiment 2 by a part of cross section.
Fig. 6 represents the figure of structure of the spray nozzle device of embodiment 3 by a part of cross section.
Fig. 7 represents the figure of structure of the spray nozzle device of embodiment 4 by a part of cross section.
Fig. 8 represents the figure of structure of the spray nozzle device of embodiment 5 by a part of cross section.
Fig. 9 means the figure of spray regime of water of the spray nozzle device of embodiment 5.
Figure 10 means that in the spray nozzle device of embodiment 5 rotation by swivel nozzle makes the figure of the situation that the spray regime of water changes.
Figure 11 represents the figure of structure of the spray nozzle device of embodiment 6 by a part of cross section.
Figure 12 means the figure of the example of using timing belt in rotation control mechanism.
Figure 13 means the figure of the example of using equipment gear in rotation control mechanism.
Figure 14 represents the figure of structure of the spray nozzle device of embodiment 7 by a part of cross section.
Figure 15 observes the figure of the spray nozzle device of embodiment 7 from ejection side.
Figure 16 is the side view of the spray nozzle device of embodiment 7.
Figure 17 represents the figure of structure of the spray nozzle device of embodiment 8 by a part of cross section.
Figure 18 observes the figure of the spray nozzle device of embodiment 8 from ejection side.
Figure 19 is the side view of the spray nozzle device of embodiment 8.
Symbol description
10,10a, 10b, 10c, 10d, 10e spray nozzle device
12,12b, 12c, 12d, 12e matrix
14,14b, 14c, 14d, 14e nozzle maintaining part
16,16e feed pipe connecting portion
17,17e feed water inlet
18,18b, 18c, 18d, 18e spray-hole
19,19b, 19e central injection hole
20,20a, 20b, 20c, 20d, 20e swivel nozzle
22,22a, 22c, 22d, 22e seat portion
23,23a, 23b, 23c, 23d, 23e base end part
24,24a, 24b, 24c, 24d, 24e base portion
25,25a, 25b, 25c, 25d, 25e protuberance
26,26a, 26c, 26d, 26e leading section
27,27e airport
28,28c, 28d, 28e gear
29,29c, 29e nozzle bore
30,30e rotating ring
32,32e ring gear
34 outer peripheral gear portions
36 subrings
38 O shape rings
40 fixed nozzles
42 C shape rings
44 pads
46 screws
48 gears
50 spray nozzle devices
52 matrixes
53 projections
54 nozzle maintaining parts
56 feed pipe connecting portions
57 feed water inlets
58 spray-holes
60 swivel nozzles
62 shape of a hoof rings
63 base end parts
64 base portions
65 protuberances
66 leading sections
67 grooves
68 gears
69 nozzle bores
70 rotating rings
72 ring gears
74 cannelures
80 spray nozzle devices
81 matrixes
82 swivel nozzles
83 pulleys
84 timing belts
85 auxiliary pulleys
86 rollers
87 rotating rings
88 inner peripheral surfaces
90 spray nozzle devices
91 matrixes
92 swivel nozzles
93 gears
94 equipment gears
95 rotating rings
96 ring gears
110 spray nozzle devices
112 matrixes
114 feed pipe connecting portions
116 feed water inlets
120 front parts
122 inserting holes
124 hole parts
126 end end portions
128 spray-holes
130 front shrouds
132 holes
134 cylindrical portion
136 screws
140 swivel nozzles
142 portions
144 base portions
146 leading sections
148 nozzle bores
150 dials
152 gears
154 equipment gears
210 spray nozzle devices
212 matrixes
214 feed pipe connecting portions
216 feed water inlets
220 front parts
222 spray-holes
224 notch parts
230 front shrouds
232 holes
234 cylindrical portion
236 screws
240 swivel nozzles
242 insertion sections
244 base portions
246 leading sections
248 nozzle bores
250 bevel gears
252 gears
254 lower gasket
256 upper gasket
258 equipment gears
259 asessory shafts
260 bars
262 bevel gears
264 axles
A, b, c arrow (injection direction that represents water)
The axle of x spray nozzle device
The rotating shaft of y swivel nozzle
The axle of the nozzle bore of the leading section of z swivel nozzle
The specific embodiment
Below, according to embodiment to describing for implementing mode of the present invention.
(embodiment 1)
(structure of spray nozzle device)
In Fig. 1, by a part of cross section, represent the structure of the spray nozzle device 10 of embodiments of the invention 1.Spray nozzle device 10 is many mouthfuls of nozzles of fire extinguishing use, has matrix 12, swivel nozzle 20 and rotating ring 30.Rotating ring 30 is equivalent to control assembly of the present invention.
Matrix 12 is in conjunction with the nozzle maintaining part 14 and the integrated hollow part forming of feed pipe connecting portion 16 that make to be cylindric and external diameter is identical by screw thread.In spray nozzle device 10, the axle of matrix 12 is consistent with the axle of spray nozzle device 10, radially radially identical with spray nozzle device 10 of matrix 12.This spray nozzle device 10 axially on, nozzle maintaining part 14 1 sides are called to ejection side, feed pipe connecting portion 16 1 sides are called to water supply side, will towards the direction of nozzle maintaining part 14, be called injection direction from feed pipe connecting portion 16.
Fig. 2 represents to observe from ejection side the figure of spray nozzle device 10.The cross section of the A-A position of Fig. 2 is Fig. 1, in Fig. 1, for the swivel nozzle 20 at rear etc., has omitted diagram.
At feed pipe connecting portion 16, be formed with feed water inlet 17, this feed water inlet 17 is formed with for the internal thread in conjunction with connection feed pipe by screw thread.In nozzle maintaining part 14, at central portion, be formed with central injection hole 19.And, in central injection hole 19 around, with the concentric circumference in central injection hole 19 on be equally spaced formed with 4 spray-holes 18, each spray-hole 18 is communicated with feed water inlet 17 via the hollow space of the inside of matrix 12.
In these 4 spray-holes 18, to rotate mode freely, insert the swivel nozzle 20 that is connected with hollow respectively, with the axle y of the base end part 23 of the swivel nozzle 20 connecing in spray-hole 18 be the rotating shaft of swivel nozzle 20.And axle y tilts towards ejection side and towards the radial outside of spray nozzle device 10 with respect to the axle x of spray nozzle device 10, axle y is 3 degree with respect to the inclination angle of axle x.In the present invention, the inclination angle that the axle y of swivel nozzle 20 is tilted towards the radial outside of spray nozzle device 10 with respect to the axle x of spray nozzle device 10 is called nozzle shaft inclination angle, and in spray nozzle device 10, nozzle shaft inclination angle is 3 degree.
The axle in central injection hole 19 is parallel with the axle x of spray nozzle device 10, and central injection hole 19 is used as jet like this.In addition, also can omit central injection hole 19.
Swivel nozzle 20 is in central authorities, to be formed with the hollow part of nozzle bore 29, comprise with spray-hole 18 in the base end part 23 that connects and the outstanding protuberance 25 of the ejection side from spray-hole 18 to water.End at the water supply side of base end part 23 is formed with the flange shape seat portion 22 that external diameter is larger than the internal diameter of the water supply side of spray-hole 18, and swivel nozzle 20 locks in nozzle maintaining part 14 to rotate mode freely in the end of the water supply side of spray-hole 18 by seat portion 22.And, at the peripheral part of the base portion 24 of matrix 12 1 sides of the protuberance 25 of swivel nozzle 20, gear 28 is installed.And, by gear 28 and above-mentioned seat portion 22, preventing that swivel nozzle 20 from coming off from spray-hole 18, swivel nozzle 20 locks at matrix 12 to rotate mode freely.
And, the protuberance 25 of swivel nozzle 20, than base portion 24 more to the outstanding leading section 26 of ejection side by screw thread in conjunction with being fixed on base portion 24, the axle z of leading section 26 tilts with respect to the axle y of base end part 23, inclination angle is 3 degree.And due to the axial formation along base end part 23 of the central nozzle bore 29 of base end part 23, the central nozzle bore 29 of leading section 26 is along the axial formation of leading section 26, thus the nozzle bore 29 of swivel nozzle 20 with respect to rotating shaft at front end 3 degree that tilt.The axle z of the nozzle bore of the leading section of this swivel nozzle 20 26 29 is called to nozzle bore inclination angle with respect to the inclination angle of the axle y of base end part 23, and in spray nozzle device 10, nozzle bore inclination angle is 3 degree.The part except leading section 26 of swivel nozzle 20 forms as one, and the part forming as one except leading section 26 is equivalent to swivel nozzle main body of the present invention.
In addition, being arranged on the gear 28 of base portion 24 of swivel nozzle 20 and leading section 26 forms with size that can not be outstanding from the outer radial of nozzle maintaining part 14.
Rotating ring 30 is parts cylindraceous, covers the outside of matrix 12 in the mode freely of rotating.And, in the face of being arranged on the inner peripheral surface of rotating ring 30 of gear 28 of the base portion 24 of swivel nozzle 20, be formed with the ring gear 32 with gear 28 engagements.This gear 28 and ring gear 32 are equivalent to rotation control mechanism of the present invention.
The internal diameter of ring gear 32 is set littlely than the external diameter of matrix 12.And, using the position of the formation ring gear 32 of rotating ring 30 and near position as outer peripheral gear portion 34, in order to ensure intensity and be easy to keep this intensity, make described outer peripheral gear portion 34 compare and form heavy wall with other positions of rotating ring 30.
(the assembling mode of spray nozzle device)
Then, the detailed structure of spray nozzle device 10 and assembling mode thereof are described.
First, from the water supply side of nozzle maintaining part 14, make the protuberance 25 of swivel nozzle 20 run through spray-hole 18.Then, making core is that the gear 28 of hollow is through the base portion 24 of the protuberance 25 of the outstanding swivel nozzle 20 of the ejection side towards spray-hole 18.In addition, seat portion 22 at swivel nozzle 20 locks on the position of nozzle maintaining part 14 substantially in the end of the water supply side of spray-hole 18, by being formed with externally threaded screw, in being arranged at the tooth paddy part of gear 28 and arriving the screw of hollow of core of gear 28, tighten, gear 28 is fixed on to the base portion 24 of swivel nozzle 20.The screw of gear 28 and the fixing externally threaded diagram of use have been omitted.
In addition,, if gear 28 is fixed on to base portion 24 in the position that axially produces slightly play along swivel nozzle 20, the rotation of swivel nozzle 20 is comparatively light.
Secondly, leading section 26 is arranged on to the base portion 24 of swivel nozzle 20.Front end at the base portion 24 of swivel nozzle 20 is formed with internal thread, and this internal thread has the inclination that angle is 3 degree, and described angle 3 degree are angles that the axle y with respect to the base end part 23 of swivel nozzle 20 installs leading section 26.And, in a side of the base portion 24 leading section 26, that will be arranged on swivel nozzle 20 of swivel nozzle 20, along leading section 26, be axially formed with external screw thread.Then, by the male thread portion of leading section 26 and the female thread portion screw thread of base portion 24 are combined, leading section 26 is arranged on to the base portion 24 of swivel nozzle 20.
In addition, the outward appearance of the axial central portion of leading section 26 forms 6 prisms, the airport 27 connecting in 2 faces of 6 prismatic parts are provided with the central nozzle bore 29 at leading section 26.
Then, by screw thread in conjunction with make nozzle maintaining part 14 and feed pipe connecting portion 16 integrated.Thus, become the state that swivel nozzle 20 is installed at matrix 12.
Secondly, regulate the position of rotation of swivel nozzle, the leading section 26 that makes all swivel nozzles 20 is respectively towards the radial outside of spray nozzle device 10.Then, make a side that is formed with ring gear 32 of rotating ring 30 towards ejection side, rotating ring 30 is covered to matrix 12 from the ejection side of matrix 12, make the ring gear 32 and gear 28 engagements that are arranged on the base portion 24 of swivel nozzle 20 of rotating ring 30.In Fig. 2, ring gear 32 and 4 gears 28 become above-mentioned engagement.In addition in Fig. 2, omitted, the record of airport 27.
And, although omitted diagram, at the outer peripheral face of matrix 12, be provided with small projection, at the inner peripheral surface of rotating ring 30, be provided with all grooves, by making projection and all grooves chimeric, rotating ring 30 is locked at matrix 12 to rotate mode freely.
Yet in the structure member of spray nozzle device 10, matrix 12 and rotating ring 30 are made by polyacetals, the base end part 23 of swivel nozzle 20, leading section 26 and the gear 28 that is arranged on swivel nozzle 20 are made by brass, but the raw material of each structure member are not limited to this.Can make all structure members of spray nozzle device 10 be made by resins such as polyacetals, also can make all structure members of spray nozzle device 10 be made by metals such as brass, iron.If adopt resin, component is lighter, can prevent from getting rusty, scorification, if the metal system of employing, intensity is improved.
(variation of jet angle)
Fig. 3 is the figure of explanation variation of the direction of injection water in the spray nozzle device 10 of embodiment 1.Omitted the record of airport 27.The number of teeth of each gear 28 that is arranged on swivel nozzle 20 is identical, and the rotation of each swivel nozzle 20 and rotating ring 30 accordingly rotating photo with angle.The axle z of the nozzle bore of the leading section 26 of each swivel nozzle 20 on the rigging position of the arrow a presentation graphs 2 of Fig. 3 towards, arrow b represent to make rotating ring 30 rotations and by swivel nozzle 20 towards changed 180 swivel nozzles 20 while spending leading section 26 nozzle bore axle z towards.Arrow c represent central injection hole 19 towards, it is fixed.In spray nozzle device 10, the axle y of the base end part 23 of swivel nozzle 20 is similarly 3 degree with respect to the axle z of the inclination of the axle x of spray nozzle device 10 and the nozzle bore of leading section 26 with respect to the inclination of the axle y of base end part 23.Therefore, changing 180 degree from rigging position when making leading section 26 towards inner side, the leading section 26 of each swivel nozzle 20 is parallel to each other.Then, if further make rotating ring 30 rotation, the leading section 26 of each swivel nozzle 20 turn back to Fig. 3 arrow a towards.In addition, can make this rotating ring 30 arbitrary towards rotation along what make progress in week in the form of a ring.
(invention effect)
In the spray nozzle device 10 of embodiment 1, the nozzle bore of the leading section 26 of each swivel nozzle 20 towards the rotation with rotating ring 30 accordingly, from the arrow a of Fig. 3 towards vary continuously to arrow b towards.Thus, by spray nozzle device 10, can make the jet angle of the water that sprays from the leading section 26 of swivel nozzle 20 change continuously.Therefore, in fire extinguishing operation, by the rotation of rotating ring 30, can adjust accordingly with fire extinguishing scope, make spray field be roughly increase and decrease circularly with one heart.In addition, need to remove barriers thing in order putting out a fire time, can to make the direction towards the arrow b with Fig. 3 of leading section 26 consistent, to improve based on exerting pressure of spraying water, can as single port nozzle, use.
And as mentioned above, the mechanism that the jet angle of spray nozzle device 10 is changed is such simple structure: utilize the ring gear 32 of rotating ring 30, swivel nozzle 20 rotations that the axle z of the nozzle bore 29 of leading section 26 has been tilted with respect to the axle y of base end part 23.Thus, spray nozzle device 10 can form with less number of components, processing ease, durability, maintainability excellence.
In addition, leading section 26 by swivel nozzle 20 change towards the effect released of the pressure of the water ejection side that to play swivel nozzle 20 be the direction of axle y to the rotating shaft of swivel nozzle 20, so roughly bearing hardly the pressure of water in the direction of rotation of the rotating ring 30 of quadrature with it.Thus, even if the pressure of the water spraying is very high, also can enoughly compared with little power, make rotating ring 30 rotations and the jet angle of water is easily changed.
(about focus)
Then, the focus of spray nozzle device of the present invention is described.In spray nozzle device of the present invention, have following feature, that is, in the situation that above-mentioned nozzle bore inclination angle is larger than above-mentioned nozzle shaft inclination angle, the water spraying from swivel nozzle converges in the distance of regulation.The focus that the concentrated point of this water is called to spray nozzle device.Differential seat angle is larger, and focal length is shorter, and differential seat angle is less, and focal length is longer.Utilize this feature, also can make the water spraying from swivel nozzle converge in the distance of regulation.
In the spray nozzle device 10a shown in Fig. 4, the nozzle shaft inclination angle of swivel nozzle 20a and the spray nozzle device 10 of embodiment 1 are 3 degree equally, but the nozzle bore inclination angle of swivel nozzle 20a is set as 8 degree, and nozzle bore inclination angle is larger than nozzle shaft inclination angle.Therefore, at the leading section 26a of swivel nozzle 20a, during towards inner side, the direction of the water spraying from swivel nozzle 20a be by the direction shown in the arrow b of Fig. 4, and the water spraying from each swivel nozzle 20a converges in the distance of stipulating.
Here, except the leading section 26a of swivel nozzle 20a is when the focus, on the position of rotation of the front and back towards focus, the leading section 26a that has a swivel nozzle 20a when overlooking towards the situation of the radially inner side of spray nozzle device 10a.Now, although the water spraying from the leading section 26a of swivel nozzle 20a when overlooking intersects in the distance of regulation, but during three dimensional viewing and uncrossed, the water spraying from the leading section 26a of each swivel nozzle 20a is mutually close before the distance of regulation, and its front end is separated from each other.Thus, also can make water diffusion in the distance that surpasses focus.
In addition, the in the situation that of larger than nozzle bore inclination angle at nozzle shaft inclination angle, by changing jet angle water, only spread, focus there will not be.
(embodiment 2)
In Fig. 5, by a part of cross section, represent the structure of the spray nozzle device 10b of embodiments of the invention 2.In spray nozzle device 10b, same with spray nozzle device 10, on same circumference, dispose 4 swivel nozzle 20b.In Fig. 5, the swivel nozzle 20b at rear etc. has omitted record.In spray nozzle device 10b, the spray-hole 18b forming at the nozzle maintaining part 14b of matrix 12b is coniform to water supply side expansion, is too coniform to the hollow of water supply side expansion with the base end part 23b of the swivel nozzle 20b connecing in spray-hole 18b.End at the water supply side of base end part 23b does not arrange a portion.Because the structure of other parts of spray nozzle device 10b is identical with the spray nozzle device 10 of embodiment 1, so mark identical or corresponding symbol, also description thereof is omitted.
According to spray nozzle device 10b, because the diameter of swivel nozzle 20b is expanded to water supply side, so can supply feedwater to swivel nozzle 20b swimmingly.In addition, due to spray-hole 18b in the base end part 23b of the swivel nozzle 20b that connects be cone shape, so swivel nozzle 20b locks at spray-hole 18b by base end part 23b, thereby do not need the seat portion for preventing that swivel nozzle 20b from coming off.So spray nozzle device 10b's is simple in structure, can easily change jet angle.
(embodiment 3)
In Fig. 6, by a part of cross section, represent the structure of the spray nozzle device 10c of embodiments of the invention 3.In spray nozzle device 10c, same with spray nozzle device 10, on same circumference, dispose 4 swivel nozzle 20c.In Fig. 6, the swivel nozzle 20c at rear etc. has omitted record.
In the spray nozzle device 10 of embodiment 1, the axle of spray-hole 18 is spent towards ejection side and towards the radial outside inclination 3 of spray nozzle device 10 with respect to the axle of spray nozzle device 10, and in the spray nozzle device 10c of embodiment 3, the axle of spray-hole 18c of nozzle maintaining part 14c that is formed on matrix 12c is parallel with the axle of spray nozzle device 10c.And, to rotate the slotting rotating shaft that leads to the base end part 23c of the swivel nozzle 20c in spray-hole 18c of mode freely, be that axle y is also parallel with the axle x of spray nozzle device 10c, nozzle shaft inclination angle is 0 degree.Therefore, the gear 28c installing at the base portion 24c of the protuberance 25c of swivel nozzle 20c also no longer tilts, and the facewidth direction of gear 28c is identical with the facewidth direction of the ring gear 32 of rotating ring 30.
And the leading section 26c of swivel nozzle 20c installs in the tilt modes of 5 degree of base portion 24c with respect to swivel nozzle 20c, due to the central nozzle bore 29c of the leading section 26c axial formation along leading section 26c, so nozzle bore inclination angle is 5 degree.In nozzle maintaining part, 14c does not form central injection hole.Because the structure of other parts of spray nozzle device 10c is identical with the spray nozzle device 10 of embodiment 1, so mark identical or corresponding symbol, also description thereof is omitted.
In spray nozzle device 10c, owing to being formed on, the axle of spray-hole 18c and the axle x of spray nozzle device 10c of nozzle maintaining part 14c of matrix 12c is parallel, so can easily form spray-hole 18c.In addition, because the facewidth direction of the facewidth direction of gear 28c and the ring gear 32 of rotating ring 30 is identical, so the engagement of gear 28c and ring gear 32 is good, the smooth rotation of gear 28c, the durability of spray nozzle device 10c is improved.So spray nozzle device 10c's is simple in structure, can easily change jet angle.
(embodiment 4)
In the spray nozzle device the present invention relates to, the axle that also can make spray-hole tilts towards the ejection side of water and towards the radially inner side of spray nozzle device with respect to the axle of spray nozzle device.In Fig. 7, by a part of cross section, represent the structure of the spray nozzle device 10d of embodiments of the invention 4.In spray nozzle device 10d, same with spray nozzle device 10, on same circumference, dispose 4 swivel nozzle 20d.In Fig. 7, the swivel nozzle 20d at rear etc. has omitted record.In spray nozzle device 10d, the axle of spray-hole 18d towards the ejection side of water and towards the radially inner side of spray nozzle device 10d 2 degree that tilt, if represented with nozzle shaft inclination angle, is-2 to spend with respect to the axle of spray nozzle device 10d.The leading section 26d of swivel nozzle 20d installs in the tilt modes of 5 degree of base portion 24d with respect to swivel nozzle 20d, due to the axial formation along leading section 26d of the central nozzle bore of leading section 26d, so nozzle bore inclination angle is 5 degree.
And the 22d of seat portion of swivel nozzle 20d is when inserting spray-hole 18d, for fear of interfering with the internal perisporium of nozzle maintaining part 14d, external diameter forms slightly littlely.And 14d does not form central injection hole in nozzle maintaining part.Omitted the record of the airport of leading section 26d.Because the structure of other parts of spray nozzle device 10d is identical with the spray nozzle device 10 of embodiment 1, so mark identical or corresponding symbol, also description thereof is omitted.
The nozzle bore of leading section 26d when the arrow a of Fig. 7 represents that the front end of the leading section 26d of each swivel nozzle 20d upwards arrives outermost in the footpath of spray nozzle device 10d towards, the arrow b of Fig. 7 represent to make rotating ring 30 rotations and by swivel nozzle 20d towards changed 180 leading section 26d while spending nozzle bore towards.In spray nozzle device 10d, arrow a 3 degree that tilt laterally, arrow b 7 degree that tilt to the inside.
Then, if make rotating ring 30 rotation, the engagement with gear 28d by ring gear 32, makes the direction towards from arrow a of the water that sprays from leading section 26d vary continuously to the direction of arrow b.Thus, by spray nozzle device 10d, can make the jet angle of the water that sprays from the leading section 26d of swivel nozzle 20d change continuously.
In addition, if the nozzle bore of the leading section 26d of each swivel nozzle 20d while is towards the direction of arrow b, the water spraying from leading section 26d converges, but when the nozzle bore of leading section 26d is in the direction beyond arrow b during towards the radially inner side of spray nozzle device 10d, water diffusion after the distance of regulation is staggered.
So spray nozzle device 10d's is simple in structure, can easily change jet angle.
(embodiment 5)
In Fig. 8, by a part of cross section, represent the structure of the spray nozzle device 10e of embodiments of the invention 5.Spray nozzle device 10e is by the many mouthfuls of nozzles for fire extinguishing after 10 improvement of the spray nozzle device shown in embodiment 1, has matrix 12e, swivel nozzle 20e, rotating ring 30e, fixed nozzle 40 and subring 36, and rotating ring 30e is equivalent to control assembly of the present invention.
Matrix 12e is in conjunction with making nozzle maintaining part 14e cylindraceous and the integrated hollow part forming of feed pipe connecting portion 16e cylindraceous by screw thread.The profile of spray nozzle device 10e is cylindric, and the axle of matrix 12e is consistent with the axle of spray nozzle device 10e, radially radially identical with spray nozzle device 10e of matrix 12e.This spray nozzle device 10e axially on, nozzle maintaining part 14e mono-side is called to ejection side, feed pipe connecting portion 16e mono-side is called to water supply side, will towards the direction of nozzle maintaining part 14e side, be called injection direction from feed pipe connecting portion 16e.And, in the water supply side end of the screw thread bound fraction of nozzle maintaining part 14e and feed pipe connecting portion 16e, the O shape ring 38 leaking for anti-sealing is installed.
At feed pipe connecting portion, 16e is formed with feed water inlet 17e, and this feed water inlet 17e is formed with for connect the internal thread of feed pipe by screw thread combination.The external diameter of feed pipe connecting portion 16e is identical with nozzle maintaining part 14e in ejection side, and at the feed water inlet of water supply side 17e around, its external diameter is less than the external diameter of nozzle maintaining part 14e.
And, at the central portion of nozzle maintaining part 14e and the axle x of spray nozzle device 10e, be formed with abreast central injection hole 19e.And, at central injection hole 19e around, with the concentric circumference of central injection hole 19e on be equally spaced formed with 4 spray-hole 18e, this spray-hole 18e with respect to the axle x of spray nozzle device 10e towards ejection side and towards radial outside 3 degree that tilt.And central injection hole 19e and each spray-hole 18e are communicated with feed water inlet 17e via the hollow space of matrix 12e inside.
In being formed at 4 spray-holes 18 of nozzle maintaining part 14e, to rotate mode freely, insert the swivel nozzle 20e that is connected with hollow respectively, with the axle y of the base end part 23e of the swivel nozzle 20e connecing in spray-hole 18e be the rotating shaft of swivel nozzle 20e.And axle y spends towards ejection side and towards the radial outside inclination 3 of spray nozzle device 10e with respect to the axle x of spray nozzle device 10e.Thus, in spray nozzle device 10e, nozzle shaft inclination angle is 3 degree.And, at the outer peripheral face of base end part 23e, be formed with along the groove of circumferential a week, at this groove, be provided with and there is the flexible C shape ring 42 for preventing from leaking.
And, at central injection hole 19e, plug in the fixed nozzle 40 that is connected with hollow, with central injection hole 19e in the outer peripheral face of base end part of the fixed nozzle 40 that connects be also formed with along the groove of circumferential a week, at this groove, be also provided with and there is the flexible C shape ring 42 for preventing from leaking.
Swivel nozzle 20e is formed with the hollow part of nozzle bore 29e in central authorities, comprise with spray-hole 18e in the base end part 23e that connects and the outstanding protuberance 25e of the ejection side from spray-hole 18e to water.End at the water supply side of base end part 23e is formed with the flange shape 22e of seat portion that external diameter is larger than the internal diameter of the water supply side of spray-hole 18e, and swivel nozzle 20e locks at nozzle maintaining part 14e to rotate mode freely in the end of the water supply side of spray-hole 18e by the 22e of seat portion.And, at the peripheral part of the base portion 24e of matrix 12e mono-side of the protuberance 25e of swivel nozzle 20e, gear 28e is installed.And, between gear 28e and matrix 12e, for the tooth of gear 28e and the buffering between matrix 12e, at the groove that is formed at the periphery of base portion 24e, discoideus pad 44 is installed.
And, the protuberance 25e of swivel nozzle 20e, from base portion 24e that gear 28e is installed to the outstanding leading section 26e of ejection side by screw thread in conjunction with being fixed on base portion 24e, the axle z of leading section 26e tilts with respect to the axle y of base end part 23e, inclination angle is 3 degree.And, due to the central nozzle bore 29e of the leading section 26e axial formation along leading section 26e, thus the nozzle bore 29e of swivel nozzle 20e with respect to rotating shaft at front end 3 degree that tilt.Thus, in spray nozzle device 10e, nozzle bore inclination angle is 3 degree.
In addition, be arranged on the gear 28e of base portion 24e of swivel nozzle 20e and leading section 26e form can be not outstanding from the outer radial of nozzle maintaining part 14e size.
Rotating ring 30e is parts cylindraceous, covers the outside of matrix 12e in the mode freely of rotating.And, in the face of being arranged on the inner peripheral surface of rotating ring 30e of gear 28e of the base portion 24e of swivel nozzle 20e, be formed with the ring gear 32e with gear 28e engagement.This gear 28e and ring gear 32e are equivalent to rotation control mechanism of the present invention.
The front end of the ejection side of rotating ring 30e extends to the front end of the leading section 26e of swivel nozzle 20e.And the surrounding that rotating ring 30 covers swivel nozzle 20e protects swivel nozzle 20e.And the front end of the water supply side of rotating ring 30e extends to the position of the reduced diameter of feed pipe connecting portion 16e.
Subring 36 is to cover the peripheral part at position of reduced diameter of feed pipe connecting portion 16e and the L-shaped cartridge in cross section of the peripheral part of the water supply side end of rotating ring 30e, this subring 36 is combined with rotating ring 30e by screw 46, prevents that rotating ring 30e from coming off from ejection side.
The front end of the ejection side of matrix 12e be formed with can with ring gear 32e meshed gears 48.And, if pull subring 36 to water supply side, by screw 46, be pulled to water supply side with the rotating ring 30e of subring 36 combinations, ring gear 32e become with the gear 28e engagement of swivel nozzle 20e and with the state of gear 48 engagements of the front end of the ejection side of matrix 12e.Thus, can suppress the rotation of rotating ring 30e, with the jet angle fixed nozzle device 10e stipulating.
The spray nozzle device 10e of embodiment 5, because nozzle shaft inclination angle equates with nozzle bore inclination angle, so at the leading section 26e of all swivel nozzle 20e during towards the inner side radially of spray nozzle device 10e, the axle of nozzle bore 29e is parallel with the axle of spray nozzle device 10e.Thus, in spray nozzle device 10e, by the rotary manipulation of rotating ring 30e, also can carry out straight water spray.
In Fig. 9, represent the variation of the spray regime of spray nozzle device 10e.The leading section 26e that the arrow a of Fig. 9 is illustrated in swivel nozzle 20e is the direction of injection water when the outside radially of spray nozzle device 10e.And the leading section 26e that the arrow b of Fig. 9 is illustrated in swivel nozzle 20e is the direction of injection water when the inner side radially of spray nozzle device 10e, the direction of injection water be spray nozzle device 10e axially.Arrow c represents that it does not change from the direction of the water of fixed nozzle 40 injections.
If make swivel nozzle 20e rotation, the track of the water spraying from each swivel nozzle 20e is depicted cone shape as.And in the position apart from spray nozzle device 10e certain distance, the track approximate of the water spraying from each swivel nozzle 20e is circular.
In Figure 10, be illustrated in the spray regime variation apart from the position of spray nozzle device 10e certain distance.4 roundlets represent the track of the in-position of the water that sprays from each swivel nozzle 20e.And pa is illustrated in the position that swivel nozzle 20e water when outermost arrives, pb is illustrated in the swivel nozzle 20e position that water arrives when inner side.And the circle that links pa is illustrated in the spray regime of the water of each swivel nozzle 20e when outermost, the circle that links pb is illustrated in the spray regime of the water when inner side of each swivel nozzle 20e.And pm is illustrated in the swivel nozzle 20e position that water arrives when direction midway.And, from Figure 10, can distinguish, by the rotation of swivel nozzle 20e, the spray regime of water is concentric circles and increases and decreases.
The spray nozzle device 10e of embodiment 5 is the structure roughly the same with the spray nozzle device 10 of embodiment 1, plays the effect identical with spray nozzle device 10.In addition, by subring 36 is pulled to the position of rotation that water supply side fixes rotating ring 30e, swivel nozzle 20e is fixed as the state towards prescribed direction, spray regime can be maintained to prescribed limit.
(embodiment 6)
In above-described embodiment 1 to embodiment 5, adopt swivel nozzle is inserted to logical structure from the water supply side of matrix, the leading section of swivel nozzle consists of miscellaneous part.But the structure of spray nozzle device of the present invention is not limited to this.
In Figure 11, by a part of cross section, represent the structure of the spray nozzle device 50 of embodiments of the invention 6.Spray nozzle device 50 is many mouthfuls of nozzles of fire extinguishing use, has matrix 52, swivel nozzle 60 and rotating ring 70.Swivel nozzle 60 similarly to Example 1, disposes 4 on same circumference.In Figure 11, swivel nozzle 60 grades at rear have been omitted record.
Matrix 52 is in conjunction with the integrated hollow part forming of feed pipe connecting portion 56 that makes columnar nozzle maintaining part 54 and tubular by screw thread.The axle of spray nozzle device 50 is consistent with the axle of matrix 52.This matrix 52 axially on, nozzle maintaining part 54 1 sides are called to ejection side, feed pipe connecting portion 56 1 sides are called to water supply side, will towards the direction of nozzle maintaining part 54, be called injection direction from feed pipe connecting portion 56.
At feed pipe connecting portion 56, be formed with feed water inlet 57, this feed water inlet 57 is formed with for the internal thread in conjunction with connection feed pipe by screw thread.And, in nozzle maintaining part 54, on same circumference, being equally spaced formed with 4 spray-holes 58, each spray-hole 58 is communicated with feed water inlet 57 via the hollow space of matrix 52 inside.
In these 4 spray-holes 58, to rotate mode freely, insert the swivel nozzle 60 that is connected with hollow respectively.The axle of spray-hole 58 and with spray-hole 58 in the axle y of base end part 63 of the swivel nozzle 60 that connects be the rotating shaft of swivel nozzle 60.And axle y is parallel with the axle x of spray nozzle device 50, nozzle shaft inclination angle is 0 degree.
Swivel nozzle 60 is hollow parts, comprise with spray-hole 58 in the base end part 63 that connects and the outstanding protuberance 65 of the ejection side from spray-hole 58 to water.And, in the end of the water supply side of base end part 63, be formed with groove 67, at groove 67, be embedded with the shape of a hoof ring 62 that external diameter is larger than the internal diameter of spray-hole 58.And, at the base portion 64 of matrix 52 1 sides of protuberance 65, there is the gear 68 forming as one with swivel nozzle 60.By this gear 68 and above-mentioned shape of a hoof ring 62, prevent that swivel nozzle 60 from coming off from spray-hole 58, swivel nozzle 60 locks at matrix 52 to rotate mode freely.
Central authorities at swivel nozzle 60 are formed with the nozzle bore 69 that penetrates into ejection side from water supply side.And the axle of this nozzle bore 69 is same axles with the axle y of base end part 63 in base end part 63, still, at the leading section 66 of protuberance 65, the axle z of nozzle bore 69 is with respect to axle y inclination 5 degree of base end part 63, and nozzle bore inclination angle is 5 degree.
Rotating ring 70 is parts cylindraceous, covers the outside of matrix 52 in the mode freely of rotating.And, at the inner peripheral surface of the rotating ring 70 in the face of the gear 68 of swivel nozzle 60, being formed with the ring gear 72 with gear 68 engagements, the internal diameter of ring gear 72 is set littlely than the external diameter of nozzle maintaining part 54.And, in the end of the water supply side of rotating ring 70, be formed with the inner peripheral surface cannelure of a week 74 around rotating ring 70, at the position in the face of cannelure 74 of the periphery of feed pipe connecting portion 56, be provided with projection 53.And projection 53 is embedded in cannelure 74, rotating ring 70 locks at matrix 52 to rotate mode freely.
According to spray nozzle device 50, by making rotating ring 70 rotations, and make a plurality of swivel nozzle rotations, can make the jet angle of water change continuously.In addition, spray nozzle device 50 is simple structure as above, and number of components is also less, processing ease, durability, maintainability excellence.And, owing to bearing hardly hydraulic pressure in the direction making rotating ring 70 rotations, so can easily make the jet angle of water change.
In addition at embodiment 6 middle gears, are the structures that become one with swivel nozzle, but gear also can be assembled as split as embodiment 1.
(structure of rotation control mechanism)
In above-described embodiment 1 to embodiment 6, as rotation control mechanism, show the combination examples of gear and ring gear, but the structure of rotation control mechanism is not limited to this.
In Figure 12, be illustrated in the schematic diagram of the spray nozzle device 80 that uses timing belt in rotation control mechanism.Tooth for timing belt etc., has omitted diagram.In the spray nozzle device 80 shown in Figure 12, as the parts that make swivel nozzle 82 rotation, at the base portion of swivel nozzle 82, pulley 83 is installed.And, at the added timing belt 84 that is provided with of each pulley 83 of swivel nozzle 82.And, at the inner peripheral surface 88 of rotating ring 87, be provided with and omitted illustrated friction means.And, at the face of the ejection side of matrix 81, to rotate the auxiliary pulley 85 that mode configures freely, timing belt 84 is contacted with the friction means that is arranged on the inner peripheral surface 88 of rotating ring 87.And, in order to ensure the tension force of timing belt 84, at the face of the ejection side of matrix 81, to rotate mode freely, dispose suitable roller 86.
In spray nozzle device 80, the rotary manipulation by rotating ring 87 drives timing belt 84, and pulley 83 rotates accordingly with the driving of timing belt 84, makes thus swivel nozzle 82 rotations.
In addition, in using the mode of timing belt, at the inner peripheral surface of rotating ring, be formed with in the form of a ring the tooth with timing belt engagement, timing belt also can adopt two-sided timing belt.
In using the mode of timing belt, to compare with the mode that ring gear directly meshes with making gear, the free degree of the allocation position of swivel nozzle is higher.In which, even if swivel nozzle be not configured on matrix and be configured on same circumference, also can make each swivel nozzle same angle of rotating photo simultaneously.
In Figure 13, represent to have adopted the schematic diagram of the spray nozzle device 90 that makes the intervenient rotation control mechanism of equipment gear.Spray nozzle device 90 shown in Figure 13 has equipment gear 94, the axle of this equipment gear 94 be fixed on matrix 91 ejection side face and to rotate mode freely, configure.And by equipment gear 94, the rotation of the ring gear 96 that the inner peripheral surface at rotating ring 95 is formed is delivered to the gear 93 of the base portion of swivel nozzle 92.In spray nozzle device 90, adopt the structure of equipment gear 94 and 2 gear 93 engagements, but also can adopt the structure of equipment gear 94 and 1 gear 93 engagement.
In making the intervenient mode of equipment gear, to compare with the mode that ring gear directly meshes with making gear, the free degree of the allocation position of swivel nozzle is higher.
(embodiment 7)
In above-described embodiment 1 to embodiment 6, show swivel nozzle is inserted and led in spray-hole and make swivel nozzle lock the example at spray-hole in inner side and the outside of matrix, but the method that swivel nozzle rotation is locked at matrix is not limited to this.In addition,, in above-described embodiment 1 to embodiment 6, as the operation of control assembly, show the example that rotating ring is rotated to operation, but the operation of control assembly is not limited to the rotary manipulation of rotating ring.
Utilize Figure 14 to Figure 16, the spray nozzle device 110 of embodiments of the invention 7 is described.Spray nozzle device 110 is many mouthfuls of nozzles of fire extinguishing use, has matrix 112, swivel nozzle 140 and dial 150.Dial 150 is equivalent to control assembly of the present invention.
Figure 14 represents that by a part of cross section the figure of the structure of spray nozzle device 110, Figure 15 observe the front view of spray nozzle device 110 from ejection side.Figure 14 represents the cross section of the locational spray nozzle device 110 of the B-B of Figure 15, and swivel nozzle 140 grades at rear have been omitted record.And Figure 16 observes the side view of spray nozzle device 110 from the direction of the arrow C of Figure 15.
As shown in figure 14, matrix 112 comprises: front part 120, feed pipe connecting portion 114, hole parts 124 and front shroud 130.Front part 120 is the parts cylindraceous that sealed ejection side, and the face of the ejection side of portion 120 is forwardly formed with 4 and inserts logical inserting holes 122 for hole parts 124 on same circumference, inserting hole 122 axially and spray nozzle device 110 axially identical.Hole parts 124 are hollow parts that central authorities are formed with spray-hole 128, and hold the diameter of last portion 126 larger, and it is inserted through in the inserting hole 122 of front part 120, is adhesively fixed on front part 120.And the front end of hole parts 124 is outstanding from inserting hole 122 to ejection side.
Feed pipe connecting portion 114 is parts cylindraceous of external diameter and front part 120 formed objects, and it has feed water inlet 116, and this feed water inlet 116 is formed with for the internal thread in conjunction with connection feed pipe by screw thread.And, by screw thread combination, make feed water inlet 11 and front part 120 integrated.The integrated part forming of front part 120, hole parts 124 and feed pipe connecting portion 114 is equivalent to matrix main body of the present invention, and front shroud 130 is equivalent to lid of the present invention.
Swivel nozzle 140 is hollow parts that central authorities are formed with nozzle bore 148, and at the base portion 144 of water supply side, the diameter of nozzle bore 148 is larger, has flange shape seat portion 142 in the end of water supply side.And, in the position being offset slightly to ejection side from seat portion 142, gear 152 is installed.And at the leading section 146 of the ejection side of swivel nozzle 140, the axle of nozzle bore 148 is with respect to the axle of swivel nozzle 140 7 degree that tilt.
Front shroud 130 is at peripheral part, to have the discoideus parts of the cylindrical portion 134 that is tubular extension, by screw 136, cylindrical portion 134 is fixed on to the periphery of front part 120.And, in the position corresponding with swivel nozzle 140 of the discoideus part of front shroud 130, to offer porosely 132, the diameter in this hole 132 is larger than the diameter of the leading section of swivel nozzle 140 146 and base portion 144, less than the diameter of the seat portion 142 of swivel nozzle 140.
And, in swivel nozzle 140, in the larger base portion 144 of the diameter of nozzle bore 148, inserting porose parts 124, seat portion 142 locks at matrix 112 to rotate mode freely under the state that is held on front part 120 and front shroud 130.
At the face of the ejection side of matrix 112, as shown in Figure 15, Figure 16, to rotate 4 equipment gears 154 that mode locks at matrix 112 freely, configure engagingly with the gear 152 that is arranged on swivel nozzle 140.And, at the axle of each equipment gear 154, discoideus dial 150 is installed.The peripheral part of dial 150 is implemented for anti-skidding annular knurl processing, and a part for the external diameter of dial 150 is compared the outer radial outside of matrix 112 and is given prominence to.In addition, dial 150 also can only be arranged on one of them equipment gear 154.
And, by rotary dial 150, via equipment gear 154, gear 152 is rotated, thereby can make swivel nozzle 140 rotations.In embodiment 7, equipment gear 154 and gear 152 are equivalent to rotation control mechanism.
According to the spray nozzle device 110 of embodiment 7, the rotation by dial 150 makes swivel nozzle 140 rotations, can change the jet angle of the water of spray nozzle device 110.And, the mechanism that makes the jet angle variation of spray nozzle device 110 makes such simple structure of swivel nozzle 140 rotations by the rotary manipulation of dial 150, wherein, the axle z of the nozzle bore 148 of the leading section 146 of swivel nozzle 140 tilts with respect to the axle y of the rotating shaft as swivel nozzle 140.Thus, spray nozzle device 110 can form with less number of components, processing ease, durability, maintainability excellence.In addition, due to the leading section 146 by swivel nozzle 140 change towards the pressure of water play the effect that swivel nozzle 140 is released to the ejection side of the direction of the axle y of swivel nozzle 140, therefore roughly bearing hardly the pressure of water in the direction of rotation of the dial 150 of quadrature with above-mentioned direction.Thus, even if the pressure of the water spraying is very high, also can enoughly compared with little power, make dial 150 rotations and the jet angle of water is easily changed.
In the structure of embodiment 7, the inserting hole 122 that makes to be formed on front part 120 is formed obliquely to the radial outside of spray nozzle device 110, and hole parts 124 are installed obliquely with respect to matrix 112, can make thus the rotating shaft of swivel nozzle 140 tilt.In this case, if make the radial outside of the axial spray nozzle device 110 of equipment gear 154 be mounted obliquely within matrix 112, make gear 152 and equipment gear 154 for the bevel gear from ejection side to water supply side undergauge, the engagement of gear is smooth and easy.
In addition, owing to not using the rotating ring of the peripheral part that covers matrix in embodiment 7, so that the shape of matrix is not limited to is cylindric.
(embodiment 8)
In above-described embodiment 1 to embodiment 7, the rotation control mechanisms such as gear are positioned at the outside of matrix, but also can adopt the structure of accommodating rotation control mechanism in the inner side of matrix.
In embodiment 8, utilize Figure 17 to Figure 19, the spray nozzle device 210 that the inner side at matrix is contained to rotation control mechanism describes.
In Figure 17, by a part of cross section, represent the structure of spray nozzle device 210.Spray nozzle device 210 is many mouthfuls of nozzles of fire extinguishing use, has matrix 212, swivel nozzle 240 and bar 260.Bar 260 is equivalent to control assembly of the present invention.
Matrix 212 comprises front part 220, feed pipe connecting portion 214 and front shroud 230.Figure 18 sees through front shroud 230 from ejection side, to observe the front view of spray nozzle device 210.Figure 17 represents the locational cross section of the D-D of Figure 18.In Figure 17, swivel nozzle 240 grades at rear have been omitted record.And Figure 19 sees through from the direction of the arrow E of Figure 18 the side view that front shroud 230 is observed spray nozzle device 210.
Front part 220 is the parts cylindraceous that sealed ejection side, and the face of the ejection side of portion 220 is formed with 4 towards the axial spray-hole 222 of spray nozzle device 210 on same circumference forwardly.Feed pipe connecting portion 214 is parts of the tubular of external diameter and front part 220 formed objects, and it has feed water inlet 216, and this feed water inlet 216 is formed with for the internal thread in conjunction with connection feed pipe by screw thread.And, by screw thread combination, make feed pipe connecting portion 214 and front part 220 integrated.The integrated part forming of front part 220 and feed pipe connecting portion 214 is equivalent to matrix main body of the present invention, and front shroud 230 is equivalent to lid of the present invention.
Swivel nozzle 240 is hollow parts that central authorities are formed with nozzle bore 248, has the base portion 244 of ejection side and compares the insertion section 242 of the water supply side that external diameter is less with base portion 244.And at the leading section 246 of the ejection side front end of the base portion 244 of swivel nozzle 240, the axle z of nozzle bore 248 is with respect to the axle y of the rotating shaft as swivel nozzle 240 7 degree that tilt.
Front shroud 230 is the parts cylindraceous that sealed ejection side, in the position corresponding with swivel nozzle 240 of the face of ejection side, is formed with the hole 232 that diameter is slightly larger than the diameter of swivel nozzle 240.
And, in the end of base portion 244 1 sides of the insertion section 242 of swivel nozzle 240, to insert and be connected with the discoideus lower gasket of hollow 254, the insertion section 242 of swivel nozzle 240 is inserted in front part 220 spray-holes 222.And, in the position of lower gasket 254 of leaving slightly the base portion 244 of swivel nozzle 240, gear 252 is installed, in the ejection side of gear 252, insert and be connected with the discoideus upper gasket of hollow 256.
And under the leading section 246 of swivel nozzle 240 state outstanding from the hole 232 of front shroud 230, the cylindrical portion 234 of front shroud 230 is fixed on the peripheral part of front part 220 by screw 236.And, between lower gasket 254 and upper gasket 256, being held under the state of front part 220 and front shroud 230, swivel nozzle 240 locks at matrix 212 to rotate mode freely.
And, between portion 220 and front shroud 230, dispose 4 axles and be supported on front part 220 and rotate asessory shaft 259 freely forwardly, at each asessory shaft 259, be provided with and 2 equipment gears 258 that are arranged on gear 252 engagements of swivel nozzle 240.
And, the bevel gear 250 of swivel nozzle 240 1 sides is installed between the lower gasket 254 of a swivel nozzle 240 and gear 252.And, dispose the bevel gear 262 with bevel gear 250 engagement the top of the ejection side of front part 220 being cut away to the notch part 224 forming.
The face in the face of front part 220 of bevel gear 262 is plane, and the face of facing front shroud 230 is sphere.And bevel gear 262 is fixed on the axle 264 being inserted in the axis hole that the notch part 224 of front part 220 forms.And axle 264 is outstanding to the outside of front shroud 230, on the top of axle 264, bar 260 is installed.So, become the structure that makes axle 264 and bevel gear 262 one rotations by the operation of bar 260.
In spray nozzle device 210, by the operation of bar 260, make bevel gear 262 rotations of bar 260 1 sides, the bevel gear 250 of swivel nozzle 240 1 sides is rotated linkedly with the rotation of bevel gear 262.And the gear 252 that is arranged on the swivel nozzle 240 coaxial with bevel gear 250 makes other swivel nozzle 240 rotations by equipment gear 258.
Thus, according to spray nozzle device 210, by the operation of the bar 260 as control assembly, can make a plurality of swivel nozzles 240 rotate simultaneously, can make the jet angle of spray nozzle device 210 change.And the variation of jet angle can be by making swivel nozzle 240 rotations realize by simple gear combination.Thus, spray nozzle device 210 can form with less number of components, processing ease, durability, maintainability excellence.In addition, by the leading section 246 of swivel nozzle 240 change towards the pressure of water play the effect that swivel nozzle 240 is released to the ejection side of the direction of the axle y of swivel nozzle 240, so with its roughly in the direction of quadrature for making the operation of the bar 260 of bevel gear 250 rotations bear hardly the pressure of water.Thus, even if the pressure of the water spraying is very high, also can enoughly compared with little power action bars 260, the jet angle of water easily be changed.
In the structure of embodiment 8, the spray-hole 222 that makes to be formed on front part 220 is formed obliquely to the radial outside of spray nozzle device 210, and the insertion section of swivel nozzle 240 242 is inserted in spray-hole 222, can makes thus the rotating shaft of swivel nozzle 240 tilt.
In addition, in embodiment 8, adopt bar as control assembly, and owing to not using the rotating ring of the peripheral part that covers matrix, so that the shape of matrix is not limited to is cylindric.
(variation)
In each above-mentioned embodiment, making swivel nozzle is 4, but the quantity of swivel nozzle is not limited to 4.As long as swivel nozzle is more than 2, just can make the jet angle of water change continuously.
And in embodiment 1, the inclination angle (nozzle shaft inclination angle) that the axle y of swivel nozzle 20 tilts towards the radial outside of spray nozzle device 10 with respect to the axle x of spray nozzle device 10 is 3 degree, but also can further reduce to tilt or further increase and.And as long as nozzle shaft inclination angle is in 20 degree, the processing of matrix is just comparatively easy, can the diameter of spray nozzle device 10 be suppressed littlely.
In addition, the axle of swivel nozzle also can tilt with interior angle with 20 degree towards the radially inner side of spray nozzle device.If represented with nozzle shaft inclination angle, can make nozzle shaft inclination angle in-20 degree.As long as nozzle shaft inclination angle is that in-20 degree, the processing of matrix is just comparatively easy, can the diameter of spray nozzle device be suppressed littlely.And in embodiment 1, the axle z of the nozzle bore 29 of the leading section 26 of spray nozzle device 20 is 3 degree with respect to the inclination angle (nozzle bore inclination angle) of the axle y of base end part 23, but also can further reduce to tilt or further increase and.And as long as nozzle bore inclination angle is in 20 degree, no matter in the situation that leading section is integrated, or in the situation that making leading section be miscellaneous part, the formation of swivel nozzle is all comparatively easy.
And, in embodiment 1, be formed on rotating ring 30 inner peripheral surface ring gear 32 so that facewidth direction form with the axial consistent mode of spray nozzle device 10, but ring gear 32 also can so that facewidth direction with the angle that is equal to or less than nozzle shaft inclination angle, towards the ejection side of water and towards the mode that the outside diameter of rotating ring 30 tilts, form.Thus, when the gear 28 that is arranged on the base portion 24 of swivel nozzle 20 meshes with ring gear 32, the lopsidedness that the tooth of ring gear 32 tilts at gear 28, so ring gear 32 is good with the engagement of gear 28, the smooth rotation of gear 28, the durability of spray nozzle device 10 is improved.
In embodiment 5, ring gear with the angle identical with nozzle shaft inclination angle with inclination.
Yet in spray nozzle device of the present invention, nozzle shaft inclination angle limits the size of jet angle, nozzle shaft inclination angle is larger, and jet angle is larger.And nozzle bore inclination angle limits the variation of jet angle, nozzle bore inclination angle is larger, and the variation of jet angle is larger.
Thus, if nozzle shaft inclination angle is in 10 degree, can spray water with long-range and towards the scope with regulation range.In addition,, if nozzle bore inclination angle is in 10 degree, can change spray field with long-range.
Therefore, if make nozzle shaft inclination angle, be that 10 degree be take interior and make nozzle bore inclination angle in 10 degree,, for being positioned at long-range and thering is the object of range, can suitably regulate spray field to spray water.
In addition, for can with moderate range and to have the water spray of scope of range corresponding, also nozzle shaft inclination angle and nozzle bore inclination angle can be amplified to the scope till 20 degree.
And, in the spray nozzle device 10 of embodiment 1, at the leading section 26 of all swivel nozzles 20 respectively on the position of rotation of the radial outside of spray nozzle device 10, the gear 28 of swivel nozzle 20 and 32 engagements of the ring gear of rotating ring 30, but engagement is not limited to this.Even if the leading section 26 of each swivel nozzle 20 was staggered towards the time of the radial outside of spray nozzle device 10, also can change jet angle.
In addition, in above-described embodiment 1, adopt the structure that makes the same angle of each swivel nozzle while rotating photo by the rotation of rotating ring, but the anglec of rotation of swivel nozzle also can be mutually different.Even if the anglec of rotation of swivel nozzle is mutually different, also can change the jet angle of spray nozzle device.
The method that the nozzle bore of the leading section of swivel nozzle is tilted with respect to the axle of the base end part of swivel nozzle, is not limited to said method.For example also can offer straight nozzle bore until after the leading section of swivel nozzle, leading section is carried out to bending machining, the nozzle bore of leading section is tilted.
In addition,, in the above embodiments 1, adopted the structure that the gear of the base portion that makes to be arranged on swivel nozzle can be not outstanding from the external diameter of matrix part, but be not limited to this.Comprise gear and ring gear and form and gear during from the outstanding structure of the external diameter of matrix part becoming rotation control mechanism, more than the external diameter that the internal diameter that also can make ring gear is matrix part, making rotating ring cover matrix part from water supply side.
Spray nozzle device of the present invention has following structure: by a plurality of swivel nozzles that the axle z of the nozzle bore of leading section is tilted with respect to the axle y of the rotating shaft as swivel nozzle, rotate simultaneously, can change jet angle, except above-described embodiment, can also have various structures.For example also can adopt and make control assembly is that rotating ring and swivel nozzle cover the structure from the outstanding hole parts of matrix.
In addition, the spray nozzle device the present invention relates to can be implemented in every way in thought range of the present invention.
In the above-described embodiments, for spray nozzle device of the present invention, carried out the explanation of fire extinguishing purposes, but the purposes of spray nozzle device of the present invention is not limited to fire extinguishing, also can be used in cleaning, spreads water.In addition, spray nozzle device of the present invention also can be used in the injection of water liquid in addition.
Utilizability in industry
In the situation that spray nozzle device of the present invention is used for putting out a fire, for people's livelihood purposes, only by the water pipe of running water pipe is connected and just can be used in fire extinguishing operation with the water sucking mouth of spray nozzle device.And, by the rotation of the rotating ring as control assembly, can regulate spray field, the fire extinguishing operation of the scope that has smoothly range of can keeping a safe distance.
And, due to leading section by swivel nozzle change towards the pressure of water play the effect that swivel nozzle is released to the axial ejection side of swivel nozzle, so roughly bearing hardly the pressure of water in the direction of rotation of the rotating ring of quadrature with above-mentioned direction.Therefore, by less power, just can make rotating ring rotate, so old man or pupil also can easily use, be effective for early stage fire extinguishing.
In addition, therefore spray nozzle device of the present invention is the structure for regulating the rotating ring of spray field to bear hardly the pressure of water as mentioned above, is suitable for as the water pumping up of adopting of the motor ladder of being used by fire-fighting etc. is used with nozzle with the fire extinguishing that the front end of sparge pipe is connected.And, by rotating ring is rotated, can not change the position of the operation of putting out a fire, also do not change spray nozzle device towards, change accordingly water spray area with the area that will put out a fire, therefore can alleviate fire fighter's burden, and shorten the needed time of fire fighting.
In addition,, even in the situation that using dial, bar as control assembly, the impact of also bearing hardly the pressure of water due to the operation of control assembly, so spray nozzle device of the present invention can easily change jet angle.

Claims (15)

1. a spray nozzle device, the liquid such as its injection water, is characterized in that, comprising:
Matrix, it is formed with and receives the supply port of liquid supply and be communicated with this supply port and at more than 2 spray-hole of the ejection side opening of liquid; Swivel nozzle, it is more than 2, is configured in accordingly this matrix with this spray-hole, and locks at this matrix to rotate mode freely; And control assembly, it controls the rotation of this swivel nozzle,
At described swivel nozzle, be formed with the nozzle bore that the liquid that flows into the spray-hole of described matrix is sprayed to the ejection side of spray nozzle device,
The axle of the described nozzle bore of the leading section of the ejection side of described swivel nozzle tilts with respect to the rotating shaft of this swivel nozzle,
Between described control assembly and described swivel nozzle, there is the rotation control mechanism that makes this swivel nozzle rotation by the operation of this control assembly.
2. spray nozzle device as claimed in claim 1, is characterized in that:
Have the rotating ring of tubular as described control assembly, this rotating ring covers the peripheral part of described matrix in the mode freely of rotating,
Described swivel nozzle is inserted and to be led in described spray-hole, with the outstanding state configuration of the ejection side to liquid at described matrix,
Described swivel nozzle locks at this matrix to rotate mode freely in the inner side of described matrix, and the protuberance of this swivel nozzle that the ejection side from described spray-hole to liquid is outstanding locks the outside at this matrix in the ejection side of the liquid of this matrix to rotate mode freely
Between the inner peripheral surface of described rotating ring and the protuberance in the face of the described swivel nozzle of this inner peripheral surface, there is the rotation control mechanism that makes this swivel nozzle rotation by the rotary manipulation of this rotating ring.
3. spray nozzle device as claimed in claim 1, is characterized in that:
Described matrix comprises being formed with the matrix main body of described spray-hole and described supply port and being formed with the described swivel nozzle of confession inserts the lid in logical hole,
In the ejection side of described matrix, dispose dial and be used as described control assembly,
Described spray-hole is along with the ejection side of side wall portion cylindraceous to described matrix main body forms highlightedly,
Described swivel nozzle is inserted into state configuration in the nozzle bore of this swivel nozzle in described matrix main body with the side wall portion of described spray-hole,
Described swivel nozzle is given prominence to the ejection side of described matrix from being formed on the hole of described lid,
The end of the described matrix side of described swivel nozzle is sandwiched between the described lid and this matrix main body that is fixed on described matrix main body, and described swivel nozzle locks at described matrix to rotate mode freely,
Between the outstanding protuberance from described lid of described dial and described swivel nozzle, there is the rotation control mechanism that makes this swivel nozzle rotation by the rotary manipulation of this dial.
4. spray nozzle device as claimed in claim 1, is characterized in that:
Described matrix comprises being formed with the matrix main body of described spray-hole and described supply port and being formed with the described swivel nozzle of confession inserts the lid in logical hole,
At the peripheral part of described matrix, dispose bar and be used as described control assembly,
Described swivel nozzle is inserted in the end of described matrix main body side and under the state in described spray-hole, is configured in described matrix main body,
The leading section of described swivel nozzle is given prominence to the ejection side of described matrix from being formed on the hole of described lid,
Described swivel nozzle is sandwiched between the described lid and this matrix main body that is fixed on described matrix main body, and locks at this matrix to rotate mode freely,
Between described bar and described swivel nozzle, have by change this bar towards operation make the rotation control mechanism of this swivel nozzle rotation.
5. the spray nozzle device as described in any one in claim 1 to 4, is characterized in that:
Described swivel nozzle comprises having the leading section of liquid ejection outlet and lock the swivel nozzle main body at described matrix to rotate mode freely, the nozzle bore of this leading section is along the axial formation of this leading section, and this leading section is installed obliquely with respect to swivel nozzle main body.
6. the spray nozzle device as described in any one in claim 1 to 4, is characterized in that:
Described swivel nozzle comprises leading section and forms as one, and the axle of this leading section and the rotating shaft of this swivel nozzle are same axles, and the nozzle bore of this leading section is formed obliquely with respect to the rotating shaft of this swivel nozzle.
7. the spray nozzle device as described in any one in claim 1 to 4, is characterized in that:
Described rotation control mechanism can make swivel nozzle described in each simultaneously rotating photo with angle,
Described swivel nozzle towards adjusted, make each swivel nozzle front end hole with respect to the center of the ejection side of spray nozzle device simultaneously.
8. the spray nozzle device as described in any one in claim 1 to 4, is characterized in that:
The rotating shaft of described swivel nozzle that is configured in accordingly described matrix with described spray-hole is with respect to the axle of the injection direction of described spray nozzle device, parallel or towards ejection side and along the direction at the center of the ejection side away from this spray nozzle device, tilt with interior angle with 20 degree.
9. spray nozzle device as claimed in claim 8, is characterized in that:
The axle of the nozzle bore of the leading section of described swivel nozzle tilts with interior angle with 20 degree with respect to the rotating shaft of this swivel nozzle.
10. spray nozzle device as claimed in claim 7, is characterized in that:
The rotating shaft of described swivel nozzle is identical with respect to the inclination angle of the rotating shaft inclination of this swivel nozzle with respect to the inclination angle of direction inclination and the axle of the nozzle bore of the leading section of this swivel nozzle at the axial center away from ejection side of described spray nozzle device.
11. spray nozzle devices as described in any one in claim 1 to 4, is characterized in that:
The rotating shaft of described swivel nozzle that is configured in accordingly described matrix with described spray-hole is with respect to the axle of the injection direction of described spray nozzle device, with 20 degree, with interior angle, towards ejection side and along the direction at the center of the ejection side near this spray nozzle device, tilts.
12. spray nozzle devices as described in any one in claim 1 to 4, is characterized in that:
At described matrix, be formed with central injection hole, this central injection hole is at the central portion opening of the ejection side of this matrix and be communicated with described supply port in the inside of this matrix.
13. spray nozzle devices as claimed in claim 2, is characterized in that:
The ejection side of described swivel nozzle on described matrix is configured on same circumference,
The base portion in described matrix one side of the protuberance of described swivel nozzle has gear, is formed with the ring gear meshing with this gear at the inner peripheral surface of facing the described rotating ring of this gear.
14. spray nozzle devices as claimed in claim 13, is characterized in that:
The rotating shaft of described swivel nozzle tilts towards ejection side and towards the radial outside of this spray nozzle device with respect to the axle of described spray nozzle device,
The ring gear forming at the inner peripheral surface of described rotating ring to be to be equal to or less than the angle at inclination angle of the rotating shaft of this swivel nozzle, towards ejection side and towards the outside diameter of this rotating ring, is formed obliquely.
15. spray nozzle devices as claimed in claim 2, is characterized in that:
Between described matrix and described rotating ring, have and make this rotating ring lock the locking mechanism at this matrix to rotate mode freely.
CN201310442264.8A 2013-02-28 2013-09-24 Spray nozzle device Active CN104014438B (en)

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CN106814227A (en) * 2017-01-04 2017-06-09 安溪钟泰专利技术转移有限公司 A kind of Multifunctional charging ammeter and monitoring system
CN110382986A (en) * 2017-03-21 2019-10-25 得立鼎工业株式会社 Nozzle and drying system
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CN111715435A (en) * 2019-03-21 2020-09-29 艾格赛尔工业公司 Nozzle of pressure sprayer
CN110038331A (en) * 2019-04-30 2019-07-23 唐山伟德船用设备有限公司 A kind of automation slagging-off waste liquid pool for marine exhaust washing
CN110340772A (en) * 2019-07-15 2019-10-18 徐州绿源智能科技有限公司 A kind of Super High building watering pipeline to maintain equipment and method
CN111451049A (en) * 2020-05-19 2020-07-28 河北青峰车体模具有限公司 Flow coating machine
CN113713974A (en) * 2020-05-25 2021-11-30 杉野机械股份有限公司 Nozzle with a nozzle body
CN112017388A (en) * 2020-09-04 2020-12-01 南京南达爱博达信息科技有限公司 Fire alarm system
CN112044647A (en) * 2020-09-11 2020-12-08 惠安县螺阳林飞燕汽车维修中心 Automatic paint spraying device for automobile maintenance
CN114587512A (en) * 2022-02-28 2022-06-07 蓝帆外科器械有限公司 Medical water jet scalpel instrument and medical water jet scalpel system
CN114587512B (en) * 2022-02-28 2024-02-27 蓝帆外科器械有限公司 Medical water jet instrument and medical water jet system

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