CN108031043A - Zero recoil fire-fighting lance - Google Patents
Zero recoil fire-fighting lance Download PDFInfo
- Publication number
- CN108031043A CN108031043A CN201810024188.1A CN201810024188A CN108031043A CN 108031043 A CN108031043 A CN 108031043A CN 201810024188 A CN201810024188 A CN 201810024188A CN 108031043 A CN108031043 A CN 108031043A
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- Prior art keywords
- wall
- rectifier
- ball
- fire
- regulation pipe
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 64
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 230000033228 biological regulation Effects 0.000 claims description 58
- 238000009434 installation Methods 0.000 claims description 21
- 230000001105 regulatory effect Effects 0.000 claims description 15
- 239000011324 bead Substances 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 230000007246 mechanism Effects 0.000 claims description 8
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 abstract description 12
- 239000007924 injection Substances 0.000 abstract description 12
- 230000000694 effects Effects 0.000 description 13
- 230000009471 action Effects 0.000 description 8
- 230000033001 locomotion Effects 0.000 description 6
- 238000011105 stabilization Methods 0.000 description 6
- 230000006641 stabilisation Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001141 propulsive effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Nozzles (AREA)
Abstract
The invention discloses a kind of zero recoil fire-fighting lance, it is related to fire-fighting domain, including body, it is connected to the outlet component of body front end, it is connected to the water inlet component of body rear end, it is provided with the body for connecting or closing water inlet component and outlet component and run through the ball sealer having by mouth, the body outer wall is rotatably connected to the switch knob that driving ball sealer rotates, the body, which offers, to be recessed inwardly and arc-shaped limiting slot, the switch knob is connected with the limited block being embedded in limiting slot, the center of rotation of the switch knob and the center of rotation of ball sealer are in be arranged concentrically, the angle that line between the angle that is formed of line and limiting slot both ends and sealing ball center by between a mouth wherein diameter both ends and sealing ball center is formed is identical.The present invention provides the zero recoil fire-fighting lance of one kind that can rapidly and accurately realize the recoil in opening or closing for ball sealer, and reduction course of injection in use.
Description
Technical field
The present invention relates to fire-fighting domain, more particularly to a kind of zero recoil fire-fighting lance.
Background technology
Zero recoil fire-fighting lance is the jetting instrument of fire extinguishing, itself and water band connection can be sprayed intensive substantial current,
Have the advantages that far firing range, water are big.
The patent document of China Patent Publication No. CN203724677U discloses a kind of novel and multifunctional zero recoil fire-fighting
Hydraulic giant, including fire coupling, converting interface, preceding seal receptacle, rear seal receptacle, ball sealer, body, rectifier, adjusting inner cylinder, moving block
And switch, the switch are set in the rear end of the body in a manner of it front and rear can rotate, are respectively equipped with the left and right sides of the switch
Above-mentioned moving block, the first end of moving block are fixed in switch, and the side wall of second end through body links together with ball sealer.
In use, rotating switch, drives ball sealer to be rotated to above-mentioned technical proposal by switch by moving block,
And then realize fire coupling and rectifier connect or closing, but in user's rotating switch, easily switch was rotated
Big or too small angle and cause water flow to reduce, reduce performance.
The content of the invention
The object of the present invention is to provide a kind of zero recoil fire-fighting lance, can rapidly and accurately realize in use
Ball sealer opens or closes.
The present invention above-mentioned technical purpose technical scheme is that：A kind of zero recoil fire water
Rifle, including body, the water inlet component that is connected to the outlet component of body front end, is connected to body rear end, are set in the body
It is useful for connecting or closes water inlet component and outlet component and through having ball sealer by mouth, the body outer wall rotation connection
There is the switch knob that driving ball sealer rotates, the body, which offers, to be recessed inwardly and arc-shaped limiting slot, the switch hand
Handle is connected with the limited block being embedded in limiting slot, and the center of rotation of the switch knob is with the center of rotation of ball sealer in concentric
Set, state by the angle that is formed of line between a mouth wherein diameter both ends and sealing ball center and limiting slot both ends with it is close
The angle that line between blocking center is formed is identical.
By using above-mentioned technical proposal, in use, rotating switch handle, while drive the limit on switch knob
Position block moves in limiting slot, and the arc length of camber line that is formed by mouth using its center of rotation by the center of circle of ball sealer with it is spacing
The arc length of groove is equal, then in rotating switch handle and when driving limited block to be moved to the other end from one end of limiting slot, then drives
Ball sealer just rotates certain angle, makes the water inlet area by reaching maximum between mouth and water inlet component of ball sealer, then
Limited can avoid because infinite place and in rotating switch handle and caused by the angle that rotates of switch knob it is excessive, and make to pass through mouth
A part can not be made full use of, reduce water flow, then reduce jeting effect, because the restriction of limiting slot, Neng Gou
The rotational angle of switch knob is determined during rotating switch handle, any user is attained by a best effect when in use
Fruit；And limiting slot is recessed inwardly on body, the weight of body can be mitigated, reduce the labor intensity during use.
The present invention is further arranged to：The bottom wall of the limiting slot is provided with multiple point position grooves along its radian, described spacing
Block end rolls the positioning bead that is connected with and can be embedded in a position groove, and the limited block slides along its length is connected to switch
Handle, the limited block, which deviates to be connected between positioning bead one end and switch knob, holds out against spring.
By using above-mentioned technical proposal, when switch knob turns to some position, under the action of spring is held out against
Limited block and positioning bead can be promoted to be embedded in corresponding point position groove, so that position-limiting action is played to the position of switch knob,
Switch knob is rested on some position, and then avoid switch knob when no external force grips, and corresponding rotation occurs,
Course of injection is set more to stablize.
The present invention is further arranged to：The water inlet component includes being sealedly attached to the installation set of body rear end, the company of rotation
It is connected to the reducing sleeve of installation set rear end, is threadedly connected to the fire coupling of reducing sleeve rear end, the installation set is close to the outer of rear end
Wall and reducing sleeve offer the ball grooves being recessed inwardly by the inner wall of front end, are rolled in the ball grooves and are combined with rolling
Pearl, the reducing sleeve offer the Guan Zhukou for being communicated in ball grooves, and the filling pearl mouthful screw-internal thread fit has closure bolt.
By using above-mentioned technical proposal, and during the connection of exterior fire extinguisher canvas hose, it is necessary to be produced between fire extinguisher canvas hose
One relatively rotates just both achievable connections, so that can conveniently realize that installation connects by rotatable reducing sleeve, and
And the spray angle of water outlet can be adjusted according to actual needs in use, because the weight inside fire extinguisher canvas hose after water-filling
Measure heavier, so be difficult to pull, can then rely on rotatable body to realize the angle of water of adjustment injection at this time, reach more preferable
Jeting effect.
The present invention is further arranged to：The outlet component includes being sealedly attached to the regulation pipe of body front end, is connected to
The flow control device of regulation pipe, the fluidised form adjusting mechanism for being connected to regulation pipe；The flow control device is sealed including one end
It is connected to newel that between body and regulation pipe and the other end extends along body central axis, matches somebody with somebody along the sliding of body central axis
Together in the regulation ring for adjusting the rectifier of inside pipe wall, being rotationally connected with adjusting pipe outer wall and driving rectifier movement, the center
Formed with water space is gone out outside being tilted towards between column front end and rectifier front inner wall, the rectifier outer wall offers helically
Regulating tank, the regulation ring be connected be arranged in regulation pipe and contact at adjust groove sidewall conflict block.
By using above-mentioned technical proposal, when rotating regulation ring, the conflict block in regulation ring will be to the side of regulating tank
Wall plays conflict impetus, because regulating tank is helically set, so that when rotating regulation ring, before can be achieved with rectifier
After move, and then the size for going out water space between rectifier end and center column end can be changed, current so as to change
The size of amount.
The present invention is further arranged to：The adjusting groove sidewall is equipped with multiple arcs groove along its hand of spiral, described to support
Contact block bottom is arranged with elastic ring, and the elastic ring, which contacts at, to be adjusted groove sidewall and can be embedded in arc groove.
By using above-mentioned technical proposal, when rotating regulation ring, the elastic ring in conflict block can be embedded at accordingly
In arc groove, so as to play certain position-limiting action to the position of regulation ring, it is difficult to regulation ring in the absence of external forces
Rotate, make regulation ring keep stablizing, also be maintained for the stabilization of water space, so as to spray specified position.
The present invention is further arranged to：The rectifier is equipped with by the outer cover of front end and adjusts spring, the adjusting bullet
One end of spring is connected to rectifier front end and the other end is connected to the front end of regulation pipe.
By using above-mentioned technical proposal, when there is water space between rectifier front end and newel front end, adjust
Spring is in confined state, adjusts spring at this time and applies a forward thrust to rectifier, and then can be to passing through water outlet
The active force of the current in gap offsets a part, avoids promoting rectifier to move because of the pressure of current, can after the completion of adjusting
To keep out the stabilization of water space；And when need reduce water space when because adjust spring rectifier is applied with one to
Preceding thrust, and then active force when rotating regulation ring can be reduced, reduce the difficulty during adjusting.
The present invention is further arranged to：The rectifier inner wall is offered with central shaft in parallel and justify along rectifier
At least two guide grooves that circumferential direction is uniformly arranged, the center column outer wall is integrally formed with the support being embedded in guide groove
Block.
By using above-mentioned technical proposal, supporting block can the newel longer to length play a supporting role, and then make
Newel keeps stablizing, meanwhile, supporting block is embedded in limiting slot, so that position-limiting action is played in the movement to rectifier, is avoided
Regulation ring drives during rectifier movement and causes the rotation of rectifier, allows central axial shifting of the rectifier along newel
It is dynamic.
The present invention is further arranged to：It is in loudspeaker that the fluidised form adjusting mechanism, which includes being threadedly connected to adjusting pipe outer wall and front end,
The nozzle overcoat of mouth shape, the connector sleeve for being shaped in nozzle overcoat rear end, are connected with circle outside the connector sleeve rear end
Spring, the connector sleeve offer through hole, and the through hole is built-in with ball, and the adjusting pipe outer wall is offered along its circumferencial direction
Some to put pearl groove, the ball is placed in coil component spring and puts between pearl groove.
By using above-mentioned technical proposal, when rotating nozzle overcoat, nozzle overcoat will be along the central axial of newel
It is mobile, so as to change the direction that water flow jet goes out, and then ejected fluidised form is adjusted, current is more concentrated or more dispersed,
Meanwhile in rotation process, since coil component spring is coated on connector sleeve, play the role of holding to ball, and then enable ball
Push against in putting in pearl groove, so that when rotating nozzle overcoat, ball, which from one of them puts pearl groove and is moved to another, to be put in pearl groove
When, it will sound is sent, and then preferably adjusts experience；Coil component spring acts on the holding of ball at the same time, can be lifted
The stability being sleeved on outside nozzle on some position, avoids causing nozzle overcoat to rotate and shadow automatically because of the impact force of current
Ring jeting effect.
In conclusion the invention has the advantages that：
One：Pass through the effect of limited block and limiting slot on switch knob, when limited block contacts at the end of limiting slot, energy
Ball sealer is opened or is completely closed completely, the accuracy of operation can be lifted, the spray of current can also be quickly finished
Penetrate action；
Secondly：With reference to flow control device and fluidised form adjusting mechanism, when adjusting rectifier and nozzle overcoat to a certain position
Its each self-stabilization can be kept, avoids rectifier and nozzle overcoat autonomous travel, makes eject position keep stablizing, also makes injection
Flow shape keeps stablizing；
Thirdly：Pass through the installation set and reducing sleeve mutually rotated, during the exterior fire extinguisher canvas hose of connection and use, Neng Gouti
Rise the convenience used；
It four：Water via rectifier, newel, water bloking piece and nozzle overcoat, then can produce repeatedly in outside course of injection
Reflection, the reaction force produced due to injection is respectively acting on above reflecting surface, and the recoil produced to body is almost
Zero, avoid current are unobstructed from being sprayed out of outlet component.
Brief description of the drawings
Fig. 1 is the structure diagram of the present embodiment；
Fig. 2 is the sectional view on the present embodiment vertical section；
Fig. 3 is the sectional view on the present embodiment horizontal cross-section；
Fig. 4 is the partial structural diagram that the present embodiment is mainly used for embodying limited block；
Fig. 5 is the I portions enlarged drawing of Fig. 2, is mainly used for embodying ball and fills pearl groove；
Fig. 6 is that the present embodiment is mainly used for embodying the partial sectional view inside regulation pipe；
Fig. 7 is that the present embodiment is mainly used for embodying connector sleeve and confined explosion's structure diagram of regulation pipe；
Fig. 8 is the II portions enlarged drawing of Fig. 7, is mainly used for embodying ball.
Reference numeral：1st, body；2nd, outlet component；21st, regulation pipe；221st, newel；222nd, rectifier；223rd, adjust
Ring；224th, water bloking piece；231st, nozzle overcoat；232nd, connector sleeve；3rd, water inlet component；31st, installation set；32nd, reducing sleeve；33rd, fire-fighting
Interface；4th, ball sealer；41st, mouth is passed through；5th, switch knob；6th, limiting slot；7th, limited block；8th, position groove is put；9th, positioning bead；10th, push up
Tight spring；11st, ball grooves；12nd, ball；13rd, Guan Zhukou；14th, bolt is blocked；15th, water space is gone out；16th, regulating tank；17th, contradict
Block；18th, arc groove；19th, elastic ring；20th, spring is adjusted；24th, guide groove；25th, supporting block；26th, coil component spring；27th, through hole；
28th, ball；29th, pearl groove is put；30th, preceding seal receptacle；34th, rear seal receptacle；35th, Rotational Cylindrical；36th, embeded slot；37th, slip hole；40th, spiral shell
Spin slot；42nd, locking nut；43rd, buckling groove.
Embodiment
The present invention is described in further detail below in conjunction with attached drawing.
A kind of zero recoil fire-fighting lance, with reference to shown in Fig. 1, including sequentially connected outlet component 2, body from front to back
1 and water inlet component 3, with reference to shown in Fig. 2, a ball sealer 4 offered by mouth 41 is connected with the inner rotation of body 1,
And a switch knob 5 being connected with ball sealer 4 is rotatably connected in the outer wall of body 1, when in use, by exterior fire-fighting
Water pipe is connected with water inlet component 3, then drives ball sealer 4 to rotate by rotating switch handle 5, so as to change the logical of ball sealer 4
The relative position of mouth 41 and water inlet component 3 and outlet component 2 is crossed, when being connected with water inlet component 3, outlet component 2 by mouth 41
When logical, then current is flowed through water inlet component 3 and body 1, finally outwards sprayed from outlet component 2.
Both ends of the surface before and after body 1 are mutually through setting, and seal receptacle 30 is sealed with rear before being provided with before and after the inside of body 1
Seat 34, preceding seal receptacle 30 is embedded on the step surface being installed on inside body 1, and ball sealer 4 is placed in preceding seal receptacle 30 and rear seal receptacle
Between 34, and ball sealer 4 is rounded by 41 section of mouth, and the pivot center of ball sealer 4 in level and passes through mouth 41 with it
It is central axial perpendicular, ball sealer 4 turn to its by mouth 41 it is central axial in it is vertical when, the leading flank of ball sealer 4
Mutually fitted closely with the trailing flank of preceding seal receptacle 30, the trailing flank of ball sealer 4 and the leading flank of rear seal receptacle 34 mutually fit closely.
With reference to shown in Fig. 1, switch knob 5 is u-shaped, and both ends are respectively placed in the both sides of body 1, the side of switch knob 5
Wall has been bolted Rotational Cylindrical 35, and Rotational Cylindrical 35, which is worn, to be rotatably assorted in 1 side wall of body, with reference to shown in Fig. 3, Rotational Cylindrical 35
One end away from switch knob 5 is inserted into inside body 1, and the end cross-sectional is hexagonal, matched, in ball sealer 4
Two side offer embeded slot 36 for being embedded Rotational Cylindrical 35 respectively, after installation is complete, the end of Rotational Cylindrical 35 is embedded
In in embeded slot 36, when rotating switch handle 5, rotated by the transmission belt dynamic sealing ball 4 of Rotational Cylindrical 35, so as to change
Pass through the direction of 41 central axis of mouth.
In use, during user's rotating switch handle 5, in order to which can make ball sealer 4 reaches water by mouth 41
Stream it is maximum by volume, with reference to shown in Fig. 1, offered in the position that body 1 is located above Rotational Cylindrical 35 arc-shaped spacing
Groove 6, center and the center of Rotational Cylindrical 35 where the camber line formed between 6 both ends of limiting slot coincide；With reference to shown in Fig. 4,
And a limited block that can be embedded in limiting slot 67 is provided with the side wall of switch knob 5, in rotating switch handle 5,
Limited block 7 is driven to be moved to the other end from one end of limiting slot 6, when limited block 7 is located at the front end of limiting slot 6, ball sealer 4
By 41 central axis of mouth in vertically, then it is closed, when limited block 7 is located at the rear end of limiting slot 6, ball sealer 4
By 41 central axis of mouth in level, then in open mode, in order to reach aforesaid operations process, ball sealer 4 by mouth 41 its
In between 4 center of angle and 6 both ends of limiting slot and ball sealer that is formed of line between 4 center of a diameter both ends and ball sealer
The angle that is formed of line it is identical, limited block 7 is moved to the other end from one end of limiting slot 6, then ball sealer 4 is just from closing
State turns to fully open state, operator is more accurately and easily operated to switch knob 5.
With reference to shown in Fig. 1, and because current can cause ball sealer 4 certain impact force, in order to make ball sealer 4 keep steady
It is fixed, on the bottom wall of limiting slot 6 multiple point position grooves 8 being recessed inwardly, most the point position groove 8 by both ends are offered along its radian direction
4 standard-sized sheet of ball sealer and fully closed state are corresponded to respectively；At the same time, with reference to shown in Fig. 4, limited block 7 wears and slides in switch
In the slip hole 37 of 5 side wall of handle, one end of limited block 7 stretches out in slip hole 37 and the other end is connected with one and holds out against spring
10, the bottom wall of slip hole 37 is fixed in the bottom for holding out against spring 10, and be embedded away from the end for holding out against spring 10 in limited block 7 and
Rolling is combined with positioning bead 9, and positioning bead 9 can be embedded in a position groove 8, and then play position-limiting action to switch knob 5, and lifting is opened
Close the stability of handle 5.
With reference to shown in Fig. 2, water inlet component 3 includes being threadedly connected to the installation set 31 of 1 rear end of body, and rear seal receptacle 34 is embedded
In on the step surface of 31 front end of installation set, when mounted, first rear seal receptacle 34 is installed to installation set 31, and then rotate peace again
Encapsulation 31, makes the rear seal receptacle 34 in installation set 31 contact at the rear wall of ball sealer 4, so that convenient to easy to wear forward and backward
Seal receptacle 30,34 is replaced；At the same time in order to lift the leakproofness between installation set 31 and body 1, in 31 outer wall of installation set and
Sealing ring is embedded between the inner wall of body 1（Do not indicated in figure）.
It is close in installation set 31 with reference to shown in Fig. 2, and in order to which water inlet component 3 and body 1 can be rotated in use
The outside of rear end, which is arranged and is rotatably assorted, reducing sleeve 32, and the front end of reducing sleeve 32 is coated on the outer wall of installation set 31；With reference to Fig. 5
Shown, the inner wall in 31 rear end outer wall of installation set and 32 front end of reducing sleeve offers the ball grooves 11 being recessed inwardly, two
Ball grooves 11 are oppositely arranged, and multiple balls 12 are provided between two ball grooves 11；In order to fill ball 12, in reducing sleeve
Outer wall offers the filling pearl mouthful 13 for being communicated in ball grooves 11 on 32, and closure bolt 14 is connected with 13 internal threads of Guan Zhukou, so that
Can be to addition lubricating oil in 12 groove 11 of ball, or ball 12 is replaced.With reference to shown in Fig. 2, after reducing sleeve 32
End screw thread is useful for connecting the fire coupling 33 of exterior fire extinguisher canvas hose.
With reference to shown in Fig. 2, current are flowed into out of fire coupling 33, by reducing sleeve 32, installation set 31 and pass through mouth successively
41, it is finally spouting from inside to outside from outlet component 2；Outlet component 2 includes a regulation pipe for being threadedly connected to 1 front end of body
21；In order to carry out water flow jet to different actual conditions, the stream for regulating water flow size is provided with regulation pipe 21
Measure adjusting mechanism and the fluidised form adjusting mechanism for adjusting water outlet form.
With reference to shown in Fig. 2, flow control device includes a newel 221, and the rear end diameter of newel 221 is more than body
Circulation bore inside 1, and the rear end of newel 221 be placed in 21 rear end end of regulation pipe and 1 front end of body step surface it
Between, so that by abutting effect of the regulation pipe 21 to newel 221 fixed limit effect can be played to newel 221；Center
221 rear end of column offers multiple water flow holes through its end face（Do not indicated in figure）, so that the current in body 1 can enter
To regulation pipe 21；The central axial and regulation pipe 21 of newel 221 it is central axial in parallel and extend forward, in newel
221 top has been bolted to connection water bloking piece 224, and water bloking piece 224 is in a ring；For regulating water flow, in regulation pipe
A rectifier 222 is plugged with inside 21 front end, rectifier 222 is in pre-and post perforative cylinder, and the front end of rectifier 222 is in
Outside bell mouth shape, forms one and goes out water space 15 between the front end of rectifier 222 and the rear wall of water bloking piece 224, whole
Stream device 222 can be connected to the inner wall of regulation pipe 21 along the central axial sliding of newel 221；In moving forward and backward for rectifier 222
During, 222 horn mouth of rectifier can be changed with water bloking piece 224 by the distance between rear wall of water impact, then changed
Go out the size of water space 15, and then adjust the flow of water and the distance of injection.
With reference to shown in Fig. 2, the position of rectifier 222 is adjusted for convenience, is opened first in the inner wall of rectifier 222
Equipped with symmetrical two guide grooves 24, the length direction of guide groove 24 is with the central axial of rectifier 222 in parallel；In newel
221 close to centre position outer wall integrally formed with corresponded with guide groove 24 and be embedded sliding coordinate supporting block 25, from
And rectifier 222 is set to move along a straight line in movement；Offered with reference to shown in Fig. 6, and in the outer wall of rectifier 222 in spiral shell
The regulating tank 16 of rotation, is embedded with conflict block 17, conflict block 17 is arranged in the outer wall of regulation pipe 21, in regulation pipe in regulating tank 16
The helicla flute 40 through its side wall is offered on 21, conflict block 17 is arranged in helicla flute 40 and stretches out in the outer wall of regulation pipe 21；
And in order to drive conflict block 17 to rotate around the central axial of newel 221, it is arranged and turns in the outer wall of regulation pipe 21
Dynamic to have a regulation ring 223, conflict block 17 is arranged in regulation ring 223, and a locking is threaded with the top of conflict block 17
Nut 42, locking nut 42 are pushed against in the outer wall of regulation ring 223, and then conflict block 17 and regulation ring 223 is realized and is stably connected with.
With reference to shown in Fig. 6, when rotating regulation ring 223 to some position, in order to lift the stabilization of regulation ring 223
Property, multiple arcs groove 18 is evenly arranged with along its hand of spiral in the side wall of regulating tank 16, and tune is embedded in conflict block 17
The outer wall of part in section groove 16 is arranged with elastic ring 19, and elastic ring 19 is made of elastic material, and tune is inserted into conflict block 17
When saving in groove 16, the outer wall of elastic ring 19 is pushed against in arc groove 18, and then can lift the stability of regulation ring 223.
With reference to shown in Fig. 2 and Fig. 6, in the course of injection of current, it will the horn mouth of 222 front end of rectifier is applied to
Motive force afterwards, and in order to keep the stabilization of rectifier 222, an adjusting spring 20 is equipped with the outer cover of rectifier 222, is adjusted
The front end of section spring 20 contacts at the side wall that rectifier 222 deviates from its horn mouth side, and the other end is fixed on regulation pipe 21
Inner wall, and then when rotation regulation ring 223 drives rectifier 222 to travel forward, can be reached by the thrust for adjusting spring 20
To labour-saving state, and in course of injection, it can rely on and adjust spring 20 to rectifier 222 forward thrusts and a current
Certain negative function is played to 222 bell-mouthed propulsive thrust of rectifier, avoids the automatic moving under flow action of rectifier 222
And influence jeting effect.
With reference to shown in Fig. 2, fluidised form adjusting mechanism includes being arranged and thread fitting is in outside the nozzle of 21 front end outer wall of regulation pipe
Set 231, the front end of nozzle overcoat 231 is in bell mouth shape, and when nozzle overcoat 231 stretches out in the front end of rectifier 222, current are suitable
The horn mouth for reorganizer front end is outwards sprayed and impacted in the horizontal interior walls of nozzle overcoat 231, current spouting at this time
Then convergence is in the form of a column, when nozzle overcoat 231 is moved rearwards, stop of the spouting current then without 231 inner wall of nozzle overcoat,
It gradually can outward disperse, reach the effect of scattered injection.
With reference to shown in Fig. 2, and in order to lift the stability of nozzle overcoat 231, the rear end of nozzle overcoat 231 integrally formed with
Connector sleeve 232, with reference to shown in Fig. 7, connector sleeve 232 is arranged close to the outside of rear end is connected with coil component spring 26, coil component spring 26
Non- full circle, and the both ends of coil component spring 26 are connected in and are opened in the buckling groove 43 of 232 outer wall of connector sleeve；In connector sleeve
The through hole 27 through its side wall is offered on 232, through hole 27 is built-in with ball 28, and the diameter of through hole 27 is more than the straight of ball 28
Footpath；At the same time, with reference to shown in Fig. 8, the outer wall that 232 inside points of connector sleeve are inserted into regulation pipe 21 is uniform along its circumferencial direction
Be provided with it is a plurality of put pearl groove 29,28 stress of ball can be pushed against in putting in pearl groove 29 in the holding effect of coil component spring 26, and then
Positioning action is played to connector sleeve 232 and nozzle overcoat 231, avoids causing nozzle overcoat 231 because of the effect of exterior power
Produce rotation.
The present invention operation principle be：Reducing sleeve 32 is rotated, drives fire extinguisher canvas hose to rotate, so that the fire extinguisher canvas hose by outside
Be connected in fire coupling 33, and switch knob 5 turned into rear end from the front end of limiting slot 6, hold out against spring 10 promote it is spacing
Positioning bead 9 on block 7 is embedded in the point position groove 8 of rearmost end, then drives ball sealer 4 to rotate by Rotational Cylindrical 35, and make to pass through mouth
41 turn to level from vertical state, and then make with reducing sleeve 32 to be connected by mouth 41, and keep switch knob 5 and ball sealer
4 stabilization；Current followed by fire coupling 33, reducing sleeve 32, installation set 31, by mouth 41, and flow to inside regulation pipe 21,
Current are spouting in water space 15 from going out between 222 front end of water bloking piece 224 and rectifier.
When needing regulating water flow, regulation ring 223 is rotated, the conflict block 17 in regulation ring 223 passes through tune helically
Save groove 16 and drive central axial back-and-forth motion of the rectifier 222 along newel 221, when rectifier 222 is close to water bloking piece 224
When, go out water space 15 and reduce, then the water sprayed reduces, and the distance of injection also shortens, when rectifier 222 is away from water bloking piece 224
During movement, go out water space 15 and increase, then the water sprayed increases, and the distance of injection also increases.Elastic ring in conflict block 17
19 when being embedded in the arc groove 18 of 16 side wall of regulating tank, then stable effect can be played to the position of rectifier 222.
When needing to adjust current state, nozzle overcoat 231 is rotated, when nozzle overcoat 231 moves forward, from going out water space
Spouting current can be then impacted in 231 section of nozzle overcoat on horizontal side wall in 15, and then are converged and be in the form of a column outwards
It is spouting, and when nozzle overcoat 231 is moved rearwards, and 231 bell-mouthed inclined plane of nozzle overcoat and 222 front end loudspeaker of rectifier
When the inclined plane of mouth is in same cambered surface, current are then outwards sprayed in divergent shape.And when nozzle overcoat 231 turns to a certain position
When, coil component spring 26 will push against ball 28 and be put in one of them in pearl groove 29, and then the position of nozzle overcoat 231 is played
Stablizing effect, meanwhile, in the rotation process of nozzle overcoat 231, ball 28 will extrude coil component spring 26, cause coil component spring
Shock is produced between 26 and connector sleeve 232, and then produces sound, the clarity during lifting adjusting.
This specific embodiment is only explanation of the invention, it is not limitation of the present invention, people in the art
Member as needed can make the present embodiment the modification of no creative contribution after this specification is read, but as long as at this
All protected in the right of invention be subject to Patent Law.
Claims (8)
1. a kind of zero recoil fire-fighting lance, including body（1）, be connected to body（1）The outlet component of front end（2）, be connected to
Body（1）The water inlet component of rear end（3）, the body（1）Inside it is provided with for connecting or closing water inlet component（3）With water outlet group
Part（2）And pass through mouth through having（41）Ball sealer（4）, the body（1）Outer wall is rotatably connected to driving ball sealer（4）Rotate
Switch knob（5）, it is characterized in that：The body（1）Offer and be recessed inwardly and arc-shaped limiting slot（6）, the switch
Handle（5）It is connected with and is embedded at limiting slot（6）Interior limited block（7）, the switch knob（5）Center of rotation and ball sealer
（4）Center of rotation in being arranged concentrically, it is described to pass through mouth（41）Wherein a diameter both ends and ball sealer（4）Line between center
The angle and limiting slot formed（6）Both ends and ball sealer（4）The angle that line between center is formed is identical.
2. zero recoil fire-fighting lance according to claim 1, it is characterized in that：The limiting slot（6）Bottom wall along its arc
Degree is provided with multiple point position grooves（8）, the limited block（7）End, which rolls to be connected with, can be embedded at a position groove（8）Interior positioning bead
（9）, the limited block（7）Sliding is connected to switch knob along its length（5）, the limited block（7）Away from positioning bead（9）
One end and switch knob（5）Between be connected with and hold out against spring（10）.
3. zero recoil fire-fighting lance according to claim 1, it is characterized in that：The water inlet component（3）Connect including sealing
It is connected to body（1）The installation set of rear end（31）, be rotationally connected with installation set（31）The reducing sleeve of rear end（32）, be threadedly connected to turn
Female connector（32）The fire coupling of rear end（33）, the installation set（31）Outer wall and reducing sleeve close to rear end（32）By front end
Inner wall offer the ball grooves being recessed inwardly（11）, the ball grooves（11）Interior rolling is combined with ball（12）, described turn
Female connector（32）Offer and be communicated in ball grooves（11）Guan Zhukou（13）, the filling Zhu Kou（13）Screw-internal thread fit has closure bolt
（14）.
4. zero recoil fire-fighting lance according to claim 1, it is characterized in that：The outlet component（2）Connect including sealing
It is connected to body（1）The regulation pipe of front end（21）, be connected to regulation pipe（21）Flow control device, be connected to regulation pipe（21）'s
Fluidised form adjusting mechanism；The flow control device is sealedly attached to body including one end（1）And regulation pipe（21）Between and it is another
Hold along body（1）The newel of central axis extension（221）, along body（1）Central axis sliding is matched with regulation pipe（21）It is interior
The rectifier of wall（222）, be rotationally connected with regulation pipe（21）Outer wall and drive rectifier（222）Mobile regulation ring（223）, institute
State newel（221）Front end and rectifier（222）Formed with being tilted towards outer going out water space between front inner wall（15）, it is described whole
Flow device（222）Outer wall offers regulating tank helically（16）, the regulation ring（223）It is connected with and is arranged in regulation pipe（21）And
Contact at regulating tank（16）The conflict block of side wall（17）.
5. zero recoil fire-fighting lance according to claim 4, it is characterized in that：The regulating tank（16）Side wall is spiral along its
Direction is equipped with multiple arcs groove（18）, the conflict block（17）Bottom is arranged with elastic ring（19）, the elastic ring（19）Support
Touch in regulating tank（16）Side wall and arc groove can be embedded at（18）It is interior.
6. zero recoil fire-fighting lance according to claim 4, it is characterized in that：The rectifier（222）By front end
Outer cover, which is equipped with, adjusts spring（20）, the adjusting spring（20）One end be connected to rectifier（222）Front end and other end company
It is connected to regulation pipe（21）Front end.
7. zero recoil fire-fighting lance according to claim 4, it is characterized in that：The rectifier（222）Inner wall offers
With central shaft in parallel and along rectifier（222）At least two guide grooves that circumferencial direction is uniformly arranged（24）, in described
Stem（221）Outer wall is integrally formed with being embedded at guide groove（24）Interior supporting block（25）.
8. zero recoil fire-fighting lance according to claim 4, it is characterized in that：The fluidised form adjusting mechanism connects including screw thread
It is connected to regulation pipe（21）Outer wall and front end are in the nozzle overcoat of bell mouth shape（231）, be shaped in nozzle overcoat（231）Rear end
Connector sleeve（232）, the connector sleeve（232）Coil component spring is connected with outside rear end（26）, the connector sleeve（232）Offer
Through hole（27）, the through hole（27）It is built-in with ball（28）, the regulation pipe（21）Outer wall offers some along its circumferencial direction
Put pearl groove（29）, the ball（28）It is placed in coil component spring（26）With putting pearl groove（29）Between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810024188.1A CN108031043B (en) | 2018-01-10 | 2018-01-10 | Zero recoil fire-fighting lance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810024188.1A CN108031043B (en) | 2018-01-10 | 2018-01-10 | Zero recoil fire-fighting lance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108031043A true CN108031043A (en) | 2018-05-15 |
| CN108031043B CN108031043B (en) | 2022-10-21 |
Family
ID=62099064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810024188.1A Active CN108031043B (en) | 2018-01-10 | 2018-01-10 | Zero recoil fire-fighting lance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108031043B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20220020040A (en) * | 2020-08-11 | 2022-02-18 | 육송(주) | open and close type firefighting pistol nozzle |
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| US7124965B1 (en) * | 2004-09-27 | 2006-10-24 | Shin Tai Spurt Water Of The Garden Tools Co., Ltd. | Spraying gun |
| CN201676428U (en) * | 2010-04-02 | 2010-12-22 | 萃联（中国）消防设备制造有限公司 | Adjustable recoilless multi-functional fire-fighting lance |
| CN203724677U (en) * | 2014-02-19 | 2014-07-23 | 天广消防股份有限公司 | Novel multifunctional fire-fighting lance |
| CN203892578U (en) * | 2014-06-11 | 2014-10-22 | 芜湖美的厨卫电器制造有限公司 | Instant-available electric water heater and flow regulating valve for the same |
| CN104740811A (en) * | 2015-03-04 | 2015-07-01 | 芜湖恒威车辆装备科技有限公司 | Fire-fighting foam nozzle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7124965B1 (en) * | 2004-09-27 | 2006-10-24 | Shin Tai Spurt Water Of The Garden Tools Co., Ltd. | Spraying gun |
| CN201676428U (en) * | 2010-04-02 | 2010-12-22 | 萃联（中国）消防设备制造有限公司 | Adjustable recoilless multi-functional fire-fighting lance |
| CN203724677U (en) * | 2014-02-19 | 2014-07-23 | 天广消防股份有限公司 | Novel multifunctional fire-fighting lance |
| CN203892578U (en) * | 2014-06-11 | 2014-10-22 | 芜湖美的厨卫电器制造有限公司 | Instant-available electric water heater and flow regulating valve for the same |
| CN104740811A (en) * | 2015-03-04 | 2015-07-01 | 芜湖恒威车辆装备科技有限公司 | Fire-fighting foam nozzle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20220020040A (en) * | 2020-08-11 | 2022-02-18 | 육송(주) | open and close type firefighting pistol nozzle |
| KR102431236B1 (en) * | 2020-08-11 | 2022-08-11 | 육송(주) | open and close type firefighting pistol nozzle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108031043B (en) | 2022-10-21 |
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Address after: Room 101, Building 1, No. 599 Kangxin Road, Tangqi Town, Linping District, Hangzhou City, Zhejiang Province, 311100 Patentee after: Zhejiang Wanlida Fire Equipment Co.,Ltd. Address before: 314412 Jingquan Road, guodianji Town, Yanguan Town, Haining City, Jiaxing City, Zhejiang Province Patentee before: HAINING CITY WANLIDA EXTINGUISHER Co.,Ltd. |