CN207679909U - Fire water monitor head and fire water monitor - Google Patents
Fire water monitor head and fire water monitor Download PDFInfo
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- CN207679909U CN207679909U CN201721556265.5U CN201721556265U CN207679909U CN 207679909 U CN207679909 U CN 207679909U CN 201721556265 U CN201721556265 U CN 201721556265U CN 207679909 U CN207679909 U CN 207679909U
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- 238000000889 atomisation Methods 0.000 claims description 33
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- 230000033001 locomotion Effects 0.000 claims description 17
- 230000001105 regulatory effect Effects 0.000 claims description 17
- 238000002347 injection Methods 0.000 claims description 16
- 239000007924 injection Substances 0.000 claims description 16
- 238000002663 nebulization Methods 0.000 claims description 8
- 238000005507 spraying Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 3
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model is related to a kind of fire water monitor head and fire water monitors, wherein fire water monitor head includes water stream channel, spray core (8) and elastic component (9), spray core (8) is arranged in the exit of water stream channel, spray core (8) acts on elastic component (9), spray core (8) can overcome the elastic force of elastic component (9) when being acted on by hydraulic pressure and be moved relative to water stream channel, to change the area of passage of outlet.The utility model is by being arranged elastic component, when spray core is acted on by hydraulic pressure, spray core can overcome the elastic force of elastic component and be moved relative to water stream channel, to change the area of passage of outlet, and the setting of elastic component can be such that the area of passage of outlet is adaptively automatically adjusted with the variation of water flow, when water flow is larger, outlet area of passage is larger, meets big flow injection demand；When water flow is smaller, outlet area of passage is smaller, realizes that small flow remotely sprays, to meet different fire extinguishing demands.
Description
Technical field
The utility model is related to fire-fighting equipment technical field more particularly to a kind of fire water monitor heads and fire water monitor.
Background technology
Fire water monitor is the important equipment of remote fire-fighting fire extinguishing, a critical component of the big gun head as fire water monitor,
Structural behaviour quality directly determines the jet length and extinguishing effect of jet stream.
The jet stream of fire water monitor mainly has direct current and spraying two states.Direct jet is used for remote pointing fire-extinguishing, spray
Burning things which may cause a fire disaster and the oxygen around scene of fire can be then isolated by mist jet stream, and burning area is prevented further to expand.Actually going out
During firer makees, to achieve the effect that inhibit fire spreading and putting out burning things which may cause a fire disaster, often burnt according to fire field environment variation and the intensity of a fire strong and weak
Switch mode of jet, therefore direct current spray dual-purpose type fire monitor head is widely used.
But for existing fire water monitor head when switching mode of jet, operability is poor, in order to realize mode of jet energy
Enough switchings, the structure design of big gun head obtain especially complex, carry and use is all very inconvenient；In addition, the opening area of big gun head can not
It adjusts, the demand of variable-flow can not be adapted to, especially in fire behavior complexity, the injection flow of big gun head, which can not be adjusted, may be delayed fire extinguishing
Opportunity causes serious consequence.
It should be noted that the information for being disclosed in the utility model background technology part is merely intended to increase to this practicality newly
The understanding of the general background of type, and be not construed as recognizing or implying in any form that information composition has been art technology
The prior art well known to personnel.
Utility model content
The purpose of this utility model is a kind of fire water monitor head of proposition and fire water monitor, so that the flow-passing surface of big gun head outlet
Product can be automatically adjusted with water flow.
To achieve the above object, the utility model provides a kind of fire water monitor head, including water stream channel, spray core and bullet
Property part, spray core are arranged in the exit of water stream channel, and spray core acts on elastic component, spray core when being acted on by hydraulic pressure can gram
It takes the elastic force of elastic component and is moved relative to water stream channel, to change the area of passage of outlet.
Further, big gun head further includes guide part, and guide part is for being oriented to the movement of spray core.
Further, guide part includes supporting rod, and the first end of supporting rod is connected with baffle, and spray core and elastic component are set in
On supporting rod, one end of elastic component is mutually abutted against with spray core, and the other end of elastic component is mutually abutted against with baffle so that spray core by
It compression elastic piece and is moved along supporting rod when being acted on to hydraulic pressure.
Further, spray core is hollow-core construction, and one end of elastic component is inserted into hollow-core construction.
Further, spray core is hollow-core construction, and the internal downstream of spray core is equipped with limit hole, baffle plate setting in limit hole,
Baffle is slidingly sealed cooperation with limit hole, and limits largest motion distance of the spray core relative to baffle by limit hole.
Further, big gun head further includes adjustment structure, and adjustment structure is used to adjust the pretightning force of elastic component.
Further, big gun head further includes connecting rod, and for baffle plate setting in connecting rod, connecting rod is hollow-core construction, supporting rod
It is inserted into connecting rod, and with connecting rod by screw-thread fit, supporting rod is equipped with the boss for holding out against spray core, is adjusted with passing through
Relative position between supporting rod and connecting rod and realize the adjusting to the pretightning force of elastic component.
Further, big gun head includes gun tube and crossover connection, and gun tube is arranged with crossover connection and connect, and is set between gun tube and crossover connection
There is regulating device, regulating device is used to adjust the relative position between gun tube and crossover connection, with by between crossover connection and gun tube
Relative motion realize big gun head direct current spray and spray injection between switching.
Further, regulating device includes motor, leading screw and axis pin, and motor is mounted on gun tube, the first end of leading screw with
The second end of the driving axis connection of motor, leading screw is connect by axis pin with crossover connection.
Further, regulating device further includes push rod, and the second end of push rod and leading screw connects, and push rod is equipped with mounting hole,
Axis pin passes through mounting hole and is inserted into and is set in the connecting hole on crossover connection.
Further, big gun head further includes trunnion, and trunnion connect with gun tube and in crossover connection, the inside of trunnion and gun tube
Water stream channel is formed, spray core includes head and tail portion, and the diameter on head is smaller than the diameter of tail portion, and the head of spray core is plugged in trunnion
Interior, trunnion is equipped with the tilt outlet become larger along injection direction discharge area, and the tail portion of spray core can block tilt outlet.
Further, it uses and smoothly transits between the head and tail portion of spray core.
Further, big gun head further includes atomization gear ring, and atomization gear ring is connected to the downstream of crossover connection, is atomized the axial direction of gear ring
End face is equipped with circumferentially distributed atomization tooth, so that flow is by tilt outlet and flows through atomization tooth formation spraying.
Further, the circulation area of nebulization channel is formed by along injection direction by becoming greatly between two neighboring atomization tooth
It is small.
Further, atomization gear ring is removably mounted on crossover connection.
Further, big gun head further includes rectifier, and rectifier is arranged in the inside of water stream channel, and the second end of supporting rod is inserted
Enter in the centre bore of rectifier, and is fixedly connected with rectifier.
Further, spray core is hollow-core construction, and spray core is equipped with through-hole, so that flow can flow into spray core by through-hole
In hollow-core construction.
To achieve the above object, the utility model additionally provides a kind of fire water monitor, including above-mentioned fire water monitor head.
Based on the above-mentioned technical proposal, the utility model is by being arranged elastic component, and when spray core is acted on by hydraulic pressure, spray core can
It is moved relative to water stream channel with overcoming the elastic force of elastic component, to change the area of passage of outlet, and elastic component
Being arranged can be such that the area of passage of outlet is adaptively automatically adjusted with the variation of water flow, and water flow is larger
When, outlet area of passage is larger, meets big flow injection demand；When water flow is smaller, outlet area of passage is smaller, realizes small
Flow remotely sprays, to meet different fire extinguishing demands.
Description of the drawings
Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application,
The exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the improper of the utility model
It limits.In the accompanying drawings：
Fig. 1 is the explosive view of the utility model fire water monitor head one embodiment.
Fig. 2 be Fig. 1 embodiments in fire water monitor head assemble after stereogram.
Fig. 3 is internal structure schematic diagram of the utility model fire water monitor head one embodiment when crossover connection stretches out.
Fig. 4 is internal structure schematic diagram of the utility model fire water monitor head one embodiment when crossover connection is retracted.
Fig. 5 is the structural schematic diagram of spray core in the utility model fire water monitor head one embodiment.
Fig. 6 is that gear ring structure schematic diagram is atomized in the utility model fire water monitor head one embodiment.
In figure：
1, flange；2, gun tube；3, crossover connection；4, it is atomized gear ring；5, trunnion；6, rectifier；7, supporting rod；8, spray core；9、
Elastic component；10, baffle；11, connecting rod；12, outer cover；13, push rod；14, axis pin；15, leading screw；16, motor；17, bolt；18、
Bolt；41, it is atomized tooth；42, nebulization channel；71, boss；81, head；82, tail portion；83, through-hole；84, limit hole；101, recessed
Slot.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, the technical solution in embodiment is carried out it is clear, complete
Ground describes.Obviously, described embodiment is only a part of the embodiment of the utility model, instead of all the embodiments.
Based on the embodiments of the present invention, institute obtained by those of ordinary skill in the art without making creative efforts
There is other embodiment, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be understood that term "center", " transverse direction ", " longitudinal direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore cannot understand
For the limitation to scope of protection of the utility model.
Referring to fig. 1 and fig. 2, in an illustrative examples of fire water monitor head provided by the utility model
In, fire water monitor head includes water stream channel, spray core 8 and elastic component 9, and spray core 8 is arranged in the exit of water stream channel, spray core 8
It acts on elastic component 9, spray core 8 can overcome the elastic force of elastic component 9 when being acted on by hydraulic pressure and relative to water stream channel
Movement, to change the area of passage of outlet.
By the way that elastic component 9 is arranged, when spray core 8 is acted on by hydraulic pressure, spray core 8 can overcome the elastic force of elastic component 9 and
It is moved relative to water stream channel, to change the area of passage of outlet, and the setting of elastic component 9 can make the flow-passing surface of outlet
Product can adaptively be automatically adjusted with the variation of water flow, and when water flow is larger, outlet area of passage is larger, full
Sufficient big flow sprays demand；When water flow is smaller, outlet area of passage is smaller, realizes that small flow remotely sprays, to meet
Different fire extinguishing demands.
In above-mentioned illustrative examples, spray core 8 act on elastic component 9 be meant that spray core 8 move when can make bullet
Property part 9 stretch or compression, and between spray core 8 and elastic component 9 it is specific arrange or connection type do not make too many restrictions then.
In one embodiment, spray core 8 can be arranged in the upstream of elastic component 9, when spray core 8 is acted on by hydraulic pressure, spray
Core 8 is moved towards close to the direction of elastic component 9, and compression elastic piece 9；When hydraulic pressure change is small, spray core 8 is far from elastic component 9, elasticity
The recoverable force of part 9.
In another embodiment, spray core 8 can be arranged in the downstream of elastic component 9, when spray core 8 is acted on by hydraulic pressure,
Spray core 8 is moved away from the direction of elastic component 9, and draw springs 9；When hydraulic pressure change is small, spray core 8 is close to elastic component 9, bullet
The recoverable force of property part 9.
Optionally, elastic component 9 is spring.Elastic component 9 or other flexible structures.
Further, big gun head can also include guide part, and guide part is for being oriented to the movement of spray core 8.By setting
Guide part is set, spray core 8 can be made to be moved along predetermined paths, prevents spray core 8 from disordered motion occur, influences jet stream effect.
Specifically, as shown in Figure 3 and Figure 4, guide part includes supporting rod 7, and the first end of supporting rod 7 is connected with baffle
10, spray core 8 and elastic component 9 are set on supporting rod 7, and one end and the spray core 8 of elastic component 9 mutually abut against, the other end of elastic component 9
It is mutually abutted against with baffle 10, so that spray core 8 compression elastic piece 9 and is moved when being acted on by hydraulic pressure along supporting rod 7.
Optionally, one end of elastic component 9 can also be fixedly connected with spray core 8, and the other end and the baffle 10 of elastic component 9 also may be used
To be fixedly connected.
Optionally, spray core 8 is hollow-core construction, and one end of elastic component 9 is inserted into hollow-core construction.The benefit being arranged in this way is,
The overall structure of big gun head can be made compacter, reduce the total length of big gun head, improve the operation convenience of fire water monitor.
When spray core 8 is hollow-core construction, limit hole 84 can be arranged in the internal downstream of spray core 8, and the setting of baffle 10 is limiting
In hole 84, baffle 10 is slidingly sealed cooperation with limit hole 84, and limits maximum of the spray core 8 relative to baffle 10 by limit hole 84
Move distance.By the way that limit hole 84 is arranged, the excessive movement when hydraulic pressure is larger of spray core 8 can be prevented, spray core 8 is avoided to project big gun
Head causes the damage of big gun head, influences the normal use of fire water monitor.
Optionally, big gun head further includes adjustment structure, and adjustment structure is used to adjust the pretightning force of elastic component 9.It is adjusted by being arranged
Section structure can adjust the pretightning force of elastic component 9, better adapt to the variation of water flow.
Specifically, as shown in Figure 4 and Figure 5, big gun head further includes connecting rod 11, and baffle 10 is arranged in connecting rod 11, connection
Bar 11 is hollow-core construction, and supporting rod 7 is inserted into connecting rod 11, and with connecting rod 11 by screw-thread fit, and supporting rod 7, which is equipped with, to be used
In the boss 71 for holding out against spray core 8, to be realized to elastic component 9 by adjusting the relative position between supporting rod 7 and connecting rod 11
Pretightning force adjusting.
When adjusting the pretightning force of elastic component 9, left end and the boss 71 of spray core 8 mutually abut against, and spray core 8 can not continue to the left
Movement, the left end of elastic component 9 are mutually abutted against or are fixedly connected with the interior forward end of spray core 8, right end and the baffle 10 of elastic component 9
Mutually abut against or be fixedly connected, supporting rod 7 be inserted into connecting rod 11 hollow-core construction in, and by the external screw thread of supporting rod 7 with
Cooperation between the internal thread of connecting rod 11 is fixedly connected, after supporting rod 7 and connecting rod 11 connect, supporting rod 7 with
Relative position between connecting rod 11 is fixed, and the decrement of elastic component 9 is fixed, and pretightning force determines that.By adjusting supporting rod 7
With the relative position between connecting rod 11, thus it is possible to vary the pretightning force of elastic component 9, when connecting rod 11 relative to supporting rod 7 to the left
When movement, pretightning force increases；When connecting rod 11 is moved right relative to supporting rod 7, pretightning force reduces.
Realize that the mode adjusted to pretightning force has the advantage that above by the screw-thread fit of connecting rod 11 and supporting rod 7
It is that connecting rod 11 mutually can both abut against or be fixedly connected with one end of elastic component 9, again as the load bearing component of baffle 10
The default decrement of elastic component 9 can be adjusted by spinning movement as the regulating member of pretightning force, realize component
A variety of functions can not only simplify structure, make more compact structure, can also reduce manufacture, installation and operation difficulty, save at
This.
Connecting rod 11 is only as a kind of specific embodiment of above-mentioned adjustment structure, other than above-mentioned regulative mode,
Other, which may be used, can adjust the structure of pretightning force.
Optionally, boss 71 set on supporting rod 7 may be set to be adjustable structure, with from the double of supporting rod 7
It is adjusted to pretightning force.
Optionally, connecting rod 11 is integrally formed with baffle 10, is facilitated installation, can also more easily be adjusted elastic component 9
Pretightning force.
In one embodiment of the utility model fire water monitor head, big gun head may include gun tube 2 and crossover connection 3, big gun
Pipe 2 is arranged with crossover connection 3 and connect, and regulating device is equipped between gun tube 2 and crossover connection 3, regulating device is for adjusting gun tube 2 and turning
The relative position between pipe 3 is changed, to realize that big gun head is sprayed and sprayed in direct current by the relative motion between crossover connection 3 and gun tube 2
Switching between mist jet.By the way that regulating device is arranged, the relative position between gun tube 2 and crossover connection 3 can be conveniently realized
Change, for realize big gun head direct current spray and spray injection between switching support is provided.
Wherein, regulating device may be used to crossover connection 3 and be moved relative to gun tube 2, can be used for making gun tube 2 relative to
Crossover connection 3 moves, and can be also used for making gun tube 2 and crossover connection 3 while move.
In one embodiment, regulating device includes motor 16, leading screw 15 and axis pin 14, and motor 16 is mounted on gun tube 2,
The first end of leading screw 15 and the driving axis connection of motor 16, the second end of leading screw 15 are connect by axis pin 14 with crossover connection 3.Its
In, motor 16 can select planetary reducing motor, coordinate leading screw 15 and axis pin 14, can improve the reliable transmission of regulating device
Property, transmission efficiency, torque is big, and driving member is few, and overall structure is compacter.
Further, regulating device can also include push rod 13, and push rod 13 is connect with the second end of leading screw 15, on push rod 13
Equipped with mounting hole, axis pin 14 passes through mounting hole and is inserted into and is set in the connecting hole on crossover connection 3.It, can by the way that push rod 13 is arranged
To lengthen the length of leading screw 15, when the limited length of leading screw 15, push rod 13 can ensure the connection of gun tube 2 and crossover connection 3.It is logical
The convert rotational motion for crossing motor 16 and leading screw 15 is the linear motion of push rod 13 and crossover connection 3, effectively adjusts gun tube 2 and conversion
Relative position between pipe 3.
As shown in figure 3, motor 16 drives leading screw 15 and push rod 13 to move right, crossover connection 3 is pushed to be stretched relative to gun tube 2
Go out, big gun head enters direct current jet mode；As shown in figure 4, motor 16 drives leading screw 15 and push rod 13 to move downward, crossover connection is driven
3 retract relative to gun tube 2, and big gun head enters spray injection pattern.
Further, big gun head further includes trunnion 5, and trunnion 5 connect with gun tube 2 and in crossover connection 3, trunnion 5 and gun tube 2
Inside formed water stream channel, spray core 8 include head 81 and tail portion 82, the diameter on head 81 is smaller than the diameter of tail portion 82, spray core 8
Head 81 be plugged in trunnion 5, trunnion 5 is equipped with the tilt outlet that is become larger along injection direction discharge area, the tail of spray core 8
Portion 82 can block tilt outlet.In the initial state, tilt outlet is blocked in the tail portion 82 of spray core 8；When spray core 8 is made in hydraulic pressure
When being moved right under, the area of passage of tilt outlet gradually increases, and flow can normally spray.
Diameter difference between the head 81 and tail portion 82 of spray core 8 is larger, can make jet stream head 81 and tail portion 82 it
Between transition region formed negative pressuren zone, be internal and external flow field boundary position, so that effluxvelocity bigger, jet stream is more concentrated.
Optionally, the outer profile of spray core 8 can be made in this way using smoothly transitting between the head 81 and tail portion 82 of spray core 8
Curve meets fluid contraction characteristic as possible, avoids causing overflow section prominent since the diameter of head 81 and tail portion 82 difference is larger
Become, leads to the out-of-date generation energy loss of fluid stream.It specifically, can be bent to the outer profile of spray core 8 by fluid emulation analysis means
Line optimizes.
Further, big gun head further includes atomization gear ring 4, and atomization gear ring 4 is connected to the downstream of crossover connection 3, atomization gear ring 4
Axial end face is equipped with circumferentially distributed atomization tooth 41, so that flow is by tilt outlet and flows through the atomization formation spray of tooth 41
Mist.By setting be atomized gear ring 4, be conducive to accelerate jet crushing, by jet stream it is evenly dispersed be fine mist, for putting out low coverage
From large area small fire.
Optionally, atomization tooth 41 is evenly arranged along the axial end face of atomization gear ring 4, and not only atomizing effect is preferable in this way, and
And convenient for manufacture.
Preferably, the circulation area of nebulization channel 42 is formed by along injection direction by big between two neighboring atomization tooth 41
Become smaller.Being arranged in this way can be such that injection water first shrinks spreads afterwards, is conducive to improve effluxvelocity, range is farther.
It is further preferred that being formed by the circulation area of nebulization channel 42 between two neighboring atomization tooth 41 along injection side
To tapering into.
Optionally, atomization gear ring 4 is removably mounted on crossover connection 3.It is detachable for monolithic construction
Mounting means manufacture difficulty it is lower.
Specifically, as shown in Fig. 2, atomization gear ring 4 is mounted on by bolt 17 on the axial outer end face of crossover connection 3.Atomization
Outer cover 12 can be arranged in the periphery of gear ring 4, to prevent jet stream from bleeding around, be conducive to that jet stream is made more to concentrate.
Big gun head can also include rectifier 6, and rectifier 6 is arranged in the inside of water stream channel, and the second end of supporting rod 7 is inserted into
In the centre bore of rectifier 6, and it is fixedly connected with rectifier 6.
Optionally, rectifier 6 uses petal type structure, can reduce turbulent flow phenomenon, ensures the motion stabilization of spray core 8, makes to penetrate
Stream is more concentrated, and range is farther.
In addition, when spray core 8 is hollow-core construction, through-hole 83 can be set in spray core 8, so that flow can be flowed by through-hole 83
It in the hollow-core construction for entering spray core 8, keeps the inside and outside differential pressure of spray core 8 constant, protects spray core 8.
Based on above-mentioned fire water monitor head, the utility model also proposes a kind of fire water monitor, which includes upper
The fire water monitor head stated.Positive technique effect possessed by fire water monitor head is equally applicable to disappear in above-mentioned each embodiment
Anti- water cannon, which is not described herein again.
One embodiment of 1~6 pair of the utility model fire water monitor head and fire water monitor is specific below in conjunction with the accompanying drawings
Structure and the course of work illustrate：
As depicted in figs. 1 and 2, fire water monitor head includes mainly：Flange 1, gun tube 2, crossover connection 3, atomization gear ring 4, larynx
Pipe 5, rectifier 6, supporting rod 7, spray core 8, elastic component 9, baffle 10, connecting rod 11, outer cover 12, push rod 13, axis pin 14, leading screw 15
With motor 16.
As illustrated in figures 3-6, big gun head is connect by flange 1 with the barrel of fire water monitor, and gun tube 2 is connect with flange 1, conversion
Pipe 3 is set in the periphery of gun tube 2, and crossover connection 3 can be moved relative to gun tube 2, and rectifier 6 is packed into from right side in gun tube 2, trunnion
5 left side holds out against rectifier 6, and rectifier 6 is made to fix, and trunnion 5 is connected through a screw thread with gun tube 2, is set between trunnion 5 and gun tube 2
There is sealing ring, sealing ring also is provided between trunnion 5 and crossover connection 3.
Spray core 8 and elastic component 9 are set on supporting rod 7, and supporting rod 7 is inserted into from right side in trunnion 5, the left end of supporting rod 7
It penetrates in the centre bore of rectifier 6, and is fixedly connected with supporting rod 7 with rectifier 6 by bolt 18.The right end of supporting rod 7 is inserted
Enter in connecting rod 11, and be connected through a screw thread with connecting rod 11, baffle 10 is set in the periphery of connecting rod 11, and baffle 10 and company
Extension bar 11 is integrally formed.One end of elastic component 9 acts against the interior forward end of spray core 8, and the other end acts against on baffle 10.Baffle 10
It is slidably matched with the hole wall of the limit hole 84 of spray core 8, spray core 8 can be moved relative to baffle 10, and the periphery of baffle 10 is equipped with
Groove 101, groove 101 is interior to be equipped with sealing ring, to realize that the sealing between baffle 10 and the hole wall of limit hole 84 coordinates, prevents from leading to
The flow that through-hole 83 enters inside spray core 8 is crossed to flow out.The head 81 of spray core 8 is inserted into inside trunnion 5, and head 81 acts against supporting rod
On 7 boss 71, by adjusting the screw thread between connecting rod 11 and supporting rod 7, the pretightning force of elastic component 9 can be adjusted.Spray core 8
The tilt outlet of tail portion 82 and trunnion 5 cooperate.
Atomization gear ring 4 is removably mounted on by bolt 17 on the right side axial end face of crossover connection 3, atomization gear ring 4
Periphery is equipped with outer cover 12.It is atomized between two adjacent atomization teeth 41 on gear ring 4 and forms nebulization channel 42, the stream of nebulization channel 42
Logical area along jet direction from large to small.
Motor 16 is mounted on by mounting base on boss set on the periphery of gun tube 2, the driving end of motor 16 and silk
Thick stick 15 connects, and leading screw 15 is connect with push rod 13, and push rod 13 is connect by axis pin 14 with crossover connection 3.
When work, flow reach big gun head after, spray core 8 by flow impact force when, hydraulic pressure effect under, spray core 8 along
Supporting rod 7 is subjected to displacement, and elastic component 9 is compressed, and is formed by out between the tail portion 82 and the tilt outlet of trunnion 5 of spray core 8
Mouthful be gradually opened, big gun capitiform circlewise exports, jet stream injection, and the area of passage of jet exit can with flow and pressure and from
It adapts to change, best range is realized under each operating mode.
When motor 16 rotates forward, when being travelled forward by motor 16 and 15 driving push rod 13 of leading screw, crossover connection 3 is relative to gun tube
2 stretch out, and flow is formed by opening between the tail portion of spray core 8 82 and the tilt outlet of trunnion 5 and sprays, after the reflection of trunnion 5,
Converted pipe 3 reflects again, and final flow forms direct current injection, and flow is projected by being atomized the middle section of gear ring 4 at this time, therefore
Atomization gear ring 4 does not work；
When motor 16 inverts, when being moved backward by motor 16 and 15 driving push rod 13 of leading screw, crossover connection 3 is relative to gun tube
2 retract, and flow is formed by opening between the tail portion of spray core 8 82 and the tilt outlet of trunnion 5 and sprays, and are reflected through trunnion 5 logical
The atomization tooth 41 for crossing atomization gear ring 4 is formed by the ejection of nebulization channel 42, and flow forms spraying, can be used for being isolated burning things which may cause a fire disaster with it is empty
Gas prevents the intensity of a fire from further spreading.
Pass through the explanation to the utility model fire water monitor head and multiple embodiments of fire water monitor, it can be seen that this reality
At least has the advantages that one or more of with Novel fire water monitor big gun head and fire water monitor embodiment：
1, by the way that elastic component is arranged, can make area of passage that big gun head exports with the variation of water flow and adaptively from
It is dynamic to adjust, best range is realized under each operating mode；
2, spray core uses hollow-core construction, structure compacter；
3, using the regulating device being formed by combining by motor, leading screw and push rod, transmission can be made relatively reliable, driving member
Few, torque is big, acts fast accurate；
4, the pretightning force of elastic component is adjustable, adapts to different hydraulic pressure sizes；
5, rectifier is installed, effectively reduce turbulent flow phenomenon, range is more concentrated, and atomization tooth, spraying jet effect are also added
It is promoted obviously, can both put out remote fire, can also put out short distance large area fire.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model rather than limits it
System；Although the utility model is described in detail with reference to preferred embodiment, those of ordinary skill in the art should
Understand：It can still modify to specific embodiment of the present utility model or some technical characteristics are equally replaced
It changes；Without departing from the spirit of technical solutions of the utility model, should all cover in the claimed technical solution of the utility model
In range.
Claims (18)
1. a kind of fire water monitor head, which is characterized in that including water stream channel, spray core (8) and elastic component (9), the spray core (8)
Be arranged in the exit of the water stream channel, the spray core (8) acts on the elastic component (9), the spray core (8) by
Hydraulic pressure can overcome the elastic force of the elastic component (9) and be moved relative to the water stream channel when acting on, described in changing
The area of passage of outlet.
2. fire water monitor head according to claim 1, which is characterized in that the big gun head further includes guide part, described to lead
To part for being oriented to the movement of the spray core (8).
3. fire water monitor head according to claim 2, which is characterized in that the guide part includes supporting rod (7), described
The first end of supporting rod (7) is connected with baffle (10), and the spray core (8) and the elastic component (9) are set in the supporting rod (7)
On, one end and the spray core (8) of the elastic component (9) mutually abut against, the other end and the baffle of the elastic component (9)
(10) it mutually abuts against, so that the spray core (8) compresses the elastic component (9) when being acted on by hydraulic pressure and along the supporting rod
(7) it moves.
4. fire water monitor head according to claim 3, which is characterized in that the spray core (8) is hollow-core construction, the bullet
Property part (9) one end be inserted into the hollow-core construction.
5. fire water monitor head according to claim 3, which is characterized in that the spray core (8) is hollow-core construction, the spray
The internal downstream of core (8) is equipped with limit hole (84), and baffle (10) setting is in the limit hole (84), the baffle (10)
It is slidingly sealed cooperation with the limit hole (84), and the spray core (8) is limited relative to the gear by the limit hole (84)
The largest motion distance of plate (10).
6. fire water monitor head according to claim 1, which is characterized in that the big gun head further includes adjustment structure, described
Adjustment structure is used to adjust the pretightning force of the elastic component (9).
7. fire water monitor head according to claim 3, which is characterized in that the big gun head further includes connecting rod (11), institute
It states baffle (10) to be arranged in the connecting rod (11), the connecting rod (11) is hollow-core construction, and the supporting rod (7) is inserted into institute
It states in connecting rod (11), and with the connecting rod (11) by screw-thread fit, the supporting rod (7) is equipped with described for holding out against
The boss (71) of spray core (8), to be realized by adjusting the relative position between the supporting rod (7) and the connecting rod (11)
Adjusting to the pretightning force of the elastic component (9).
8. according to claim 1~7 any one of them fire water monitor head, which is characterized in that the big gun head includes gun tube (2)
With crossover connection (3), the gun tube (2) is arranged with the crossover connection (3) to be connect, between the gun tube (2) and the crossover connection (3)
Equipped with regulating device, the regulating device is used to adjust the relative position between the gun tube (2) and the crossover connection (3), with
Realize the big gun head in direct current injection and spray injection by the relative motion between the crossover connection (3) and the gun tube (2)
Between switching.
9. fire water monitor head according to claim 8, which is characterized in that the regulating device includes motor (16), silk
Thick stick (15) and axis pin (14), the motor (16) are mounted on the gun tube (2), first end and the electricity of the leading screw (15)
The second end of the driving axis connection of machine (16), the leading screw (15) is connect by the axis pin (14) with the crossover connection (3).
10. fire water monitor head according to claim 9, which is characterized in that the regulating device further includes push rod (13),
The push rod (13) connect with the second end of the leading screw (15), and the push rod (13) is equipped with mounting hole, the axis pin (14)
Across the mounting hole and it is inserted into the connecting hole being set on the crossover connection (3).
11. fire water monitor head according to claim 8, which is characterized in that the big gun head further includes trunnion (5), described
Trunnion (5) connect with the gun tube (2) and in the crossover connection (3), the inside of the trunnion (5) and the gun tube (2)
The water stream channel is formed, the spray core (8) includes head (81) and tail portion (82), and the diameter of the head (81) is than the tail
The diameter in portion (82) is small, and the head (81) of the spray core (8) is plugged in the trunnion (5), and the trunnion (5) is equipped with along injection
The tail portion (82) of the tilt outlet that direction discharge area becomes larger, the spray core (8) can block the tilt outlet.
12. fire water monitor head according to claim 11, which is characterized in that the head (81) of the spray core (8) and tail
It uses and smoothly transits between portion (82).
13. fire water monitor head according to claim 11, which is characterized in that the big gun head further includes atomization gear ring (4),
The atomization gear ring (4) is connected to the downstream of the crossover connection (3), and the axial end face of the atomization gear ring (4) was equipped with along week
To the atomization tooth (41) of distribution, so that flow is by the tilt outlet and flows through atomization tooth (41) the formation spraying.
14. fire water monitor head according to claim 13, which is characterized in that between the two neighboring atomization tooth (41)
The circulation area of nebulization channel (41) is formed by along injection direction from large to small.
15. fire water monitor head according to claim 13, which is characterized in that the atomization gear ring (4) is removably pacified
On the crossover connection (3).
16. fire water monitor head according to claim 3, which is characterized in that the big gun head further includes rectifier (6), institute
It states rectifier (6) to be arranged in the inside of the water stream channel, the second end of the supporting rod (7) is inserted into the rectifier (6)
In centre bore, and it is fixedly connected with the rectifier (6).
17. according to claim 1~7 any one of them fire water monitor head, which is characterized in that the spray core (8) is hollow
Structure, the spray core (8) are equipped with through-hole (83), so that flow can flow into the spray core (8) by the through-hole (83)
In hollow-core construction.
18. a kind of fire water monitor, which is characterized in that including such as claim 1~17 any one of them fire water monitor head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721556265.5U CN207679909U (en) | 2017-11-21 | 2017-11-21 | Fire water monitor head and fire water monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721556265.5U CN207679909U (en) | 2017-11-21 | 2017-11-21 | Fire water monitor head and fire water monitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207679909U true CN207679909U (en) | 2018-08-03 |
Family
ID=62998590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721556265.5U Active CN207679909U (en) | 2017-11-21 | 2017-11-21 | Fire water monitor head and fire water monitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207679909U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107715351A (en) * | 2017-11-21 | 2018-02-23 | 徐工集团工程机械有限公司 | Fire water monitor head and fire water monitor |
| CN109663255A (en) * | 2019-01-18 | 2019-04-23 | 山东绿屏工业消防设备有限公司 | Automatically controlled fire monitor inverting seat |
| CN111184971A (en) * | 2020-02-18 | 2020-05-22 | 苏州海星海事装备股份有限公司 | Reflecting hollow conical fire water monitor nozzle |
-
2017
- 2017-11-21 CN CN201721556265.5U patent/CN207679909U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107715351A (en) * | 2017-11-21 | 2018-02-23 | 徐工集团工程机械有限公司 | Fire water monitor head and fire water monitor |
| CN109663255A (en) * | 2019-01-18 | 2019-04-23 | 山东绿屏工业消防设备有限公司 | Automatically controlled fire monitor inverting seat |
| CN111184971A (en) * | 2020-02-18 | 2020-05-22 | 苏州海星海事装备股份有限公司 | Reflecting hollow conical fire water monitor nozzle |
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Legal Events
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220729 Address after: 221004 26 Tuo Lan Shan Road, Xuzhou economic and Technological Development Zone, Jiangsu Patentee after: Jiangsu Xugong Construction Machinery Research Institute Co.,Ltd. Address before: 221004 26 Tuo Lan Shan Road, Xuzhou economic and Technological Development Zone, Jiangsu Patentee before: XCMG CONSTRUCTION MACHINERY Co.,Ltd. |