CN106621132A - Ultra-fine dry powder fire extinguisher structure and valve mounting system - Google Patents
Ultra-fine dry powder fire extinguisher structure and valve mounting system Download PDFInfo
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- CN106621132A CN106621132A CN201611021130.9A CN201611021130A CN106621132A CN 106621132 A CN106621132 A CN 106621132A CN 201611021130 A CN201611021130 A CN 201611021130A CN 106621132 A CN106621132 A CN 106621132A
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- valve
- seat
- base
- sealing
- air
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C13/00—Portable extinguishers which are permanently pressurised or pressurised immediately before use
- A62C13/76—Details or accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
- B25B27/24—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same mounting or demounting valves
- B25B27/26—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same mounting or demounting valves compressing the springs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention provides an ultra-fine dry powder fire extinguisher structure and a valve mounting system, belongs to the technical field of fire extinguishers, relates to a fire extinguisher valve, and solves the problems of poor valve sealing effect, inconvenience in use and operation, unsmooth injection and difficult disassembly in the prior art. The ultra-fine dry powder fire extinguisher structure comprises a tank body and a valve, wherein the valve comprises an upper valve seat, a spool assembly, a reset spring and a lower valve seat; the valve mounting system comprises an assembly table; big-end-up stepped holes allowing the upper valve seat to be placed are formed in the assembly table; an insertion rod which can be inserted into an air outlet of the valve is arranged on the assembly table; a rotary head corresponding to the passage in the pipe of the lower valve seat is arranged below the assembly table; the rotary head is provided with a square end matched with a square cavity of the passage in the pipe of the lower valve seat; and the rotary head is controlled by a telescopic mechanism to expand and contract vertically. The ultra-fine dry powder fire extinguisher structure disclosed by the invention is simple in the structure, good in sealing performance, easy to operate and quick in spraying; and the valve mounting system disclosed by the invention can be used for quickly assembling the valve, and is simple in structure and convenient to operate.
Description
Technical field
The invention belongs to fire extinguisher technical field, is related to a kind of extinguisher valve, particularly a kind of superfine powder fire extinguisher
Structure and valve installation system.
Background technology
Fire extinguisher is a kind of portable Fire extinguisher.Chemical substance or fire-suppressant gas, solid are placed in fire extinguisher, to rescue
Fire extinguishing calamity.Fire extinguisher is one of common fireproofing installation, is stored in public place or may occur where fire, variety classes
Fire extinguisher in filling composition it is different, be to aim at different types of fire alarm and set fire extinguisher its wide variety, function and make
It is different with environment.The fire extinguisher for comparing main flow at present is substantially by way of pressing valve to open fire extinguisher,
Make the extinguishing material in fire extinguisher（Such as dry powder, For Use Only in Case of Fire clean gas）Spray, to realize its fire-extinguishing function concurrently.
But current valve mechanism is complicated, installs, dismantle and inconvenient maintenance, sealing effectiveness is bad, not square using operation
Just, spray not smooth.Installation to extinguisher valve at present, mainly by artificial realization, efficiency is low and assembles more inconvenient.
The content of the invention
The purpose of the present invention is there are the problems referred to above for existing technology, it is proposed that a kind of superfine powder fire extinguisher structure
And valve installation system, this superfine powder fire extinguisher simple structure, convenient installation, dismounting and maintenance, good seal performance, easy behaviour
Make, injection is smooth；Valve installation system combines the design feature of valve, and quickly valve can be assembled, and structure letter
It is single, it is easy to operate.
The purpose of the present invention can be realized by following technical proposal：A kind of superfine powder fire extinguisher structure, including fire extinguishing
Device tank body, valve, the valve includes upper valve base, core assembly, back-moving spring and lower valve base, and upper valve base is provided with valve and leads to
Road, valve internal channel top arranges depression bar pilot hole；Core assembly includes depression bar, the upper sealing ring being arranged on depression bar, lower sealing
Enclose and be arranged on depression bar and for the valve element of blocked valve internal channel, depression bar top is slidably fitted in the pilot hole of upper valve base,
The upper sealing ring for being slidingly sealed is provided between depression bar and pilot hole, pilot hole is stretched out on depression bar top, for connecting pressing
The devices such as handle；Depression bar lower end connects valve element, and lower seal is in valve element top；Upper valve base side wall is provided with and connects with valve internal channel
Logical venthole, for connecting jet hose, upper valve base lower end is provided with the air admission hole connected with valve internal channel, and air admission hole aperture is little
In valve internal channel hole so that two ducts excessively place is excessive for ladder；Be provided with internal thread in air admission hole, lower valve base be provided with can with it is interior
There is the pipe internal channel through lower valve base axial direction in the external screw thread that screw thread coordinates so that lower valve base is connected with upper valve base, lower valve base,
The support rim for supporting back-moving spring is provided with lower valve base, supports rim to be arranged on pipe internal channel inwall, resetted
Spring supporting valve element, by lower seal top pressure on the port of air admission hole, and makes under the pressure effect in fire extinguisher tank body
Obtain the tighter of the bigger sealing of lower seal pressure on top surface.By moulded rod when using so that the material in fire extinguisher tank body is close under
Gap is flowed out between seal and the port of air admission hole.
In above-mentioned superfine powder fire extinguisher structure, the screw thread top of upper valve base has flange, and flange is arranged with annular
Sealing ring, for the sealing between fire extinguisher tank.
In above-mentioned superfine powder fire extinguisher structure, venthole is provided with the internal thread of connection jet hose.
A kind of valve installation system for superfine powder fire extinguisher structure, it includes the assembling being arranged on main workbench
Platform, assembly bench is provided with the up big and down small shoulder hole for placing upper valve base, and telescoping mechanism control is provided with assembly bench
The insertion rod of pluggable valve venthole, the pipe internal channel of correspondence lower valve base, is provided with rotating mechanism control below assembly bench
Swivel head, swivel head by rotating mechanism control around ladder hole axle rotation, the swivel head have and lower valve seat pipe internal channel
The square termination that square cavity coordinates, swivel head is stretched up and down by telescoping mechanism control.
In the valve installation system of above-mentioned superfine powder fire extinguisher structure, the device is also included for detecting that valve is situated between
The detection means of the mass flow general character, medium flow field general character detection means include for fix upper valve base the first valve seat clamping manipulator,
Be in below the first valve seat clamping manipulator first sealing inflating seat, for by venthole spray air-flow blow by blowing structure
And be in clamping manipulator top and for depressing the valve opening structure of push rod, valve opening structure include for depressing push rod pressing plate and
For the valve opening electric cylinders moved up and down with dynamic pressure plate, included by blowing seat, located at by the spring base blown on seat, located at receiving by blowing structure
That blows the sign groove on seat and spring base connection spring and with spring be connected by playing wind and stringing instruments is blown block by playing wind and stringing instruments, and is blown block and is blown seat
It is slidably connected, is blown block and be between sign groove and air admission hole, the first sealing inflating seat is provided with the first baroceptor, is used for
First sealing ring and the first air supply duct for supplying to pipe internal channel of sealing, the first supply are contacted with lower valve base lower end surface
The first supply check valve is provided with road, the first air supply duct is communicated to one first air feed pump by the first air hose.
In the valve installation system of above-mentioned superfine powder fire extinguisher structure, the main workbench is provided with sealing inspection
Device is surveyed, device for detecting sealability is included for fixing the second valve seat clamping manipulator of upper valve base, being in the clamping of the second valve seat
The second sealing inflating seat below manipulator and for detecting venthole whether micro- moving structure of gas leakage, the second sealing inflating seat
Including outsourcing cylinder and the base plate being connected with outsourcing cylinder, outsourcing cylinder is vertically arranged and upper and lower ends are open, and base plate seals outsourcing cylinder
Lower ending opening, outsourcing medial wall of the tube is provided with the second sealing ring for contacting with lower valve base lateral wall, and base plate is provided with second
Baroceptor, the second air supply duct for supplying to pipe internal channel, are provided with the second supply check valve in the second air supply duct, and second
Air supply duct is communicated to one second air feed pump by the second air hose, and micro- moving structure includes one, and vertically arrangement and upper end are fixed
Hanging rope and it is arranged on hanging rope lower end and the jog ball that blow of air-flow can be revealed by venthole；Second sealing ring is with inflation
The gas-flow closure circle of inner chamber, device for detecting sealability also includes sealing propertytest fixed seat, push-and-pull pedestal and the second sealing inflation
The perpendicular guide rod of inflating seat of seat connection and the push-and-pull electric cylinders for driving push-and-pull pedestal to move up and down, the perpendicular guide rod of inflating seat is provided with
Pushing block and lower pushing block, sealing propertytest fixed seat is provided with the perpendicular guide rod of seal receptacle, the perpendicular guide rod of seal receptacle be provided with upper limit seat and
Lower limit seat, push-and-pull pedestal is between pushing block and lower pushing block, and push-and-pull pedestal is slidably matched with the perpendicular guide rod of inflating seat, push-and-pull base
Seat is between upper limit seat and lower limit seat, and push-and-pull pedestal is slidably matched with the perpendicular guide rod of seal receptacle, sealing propertytest fixed seat
It is provided with air interchanger, air interchanger includes the valve cylinder being connected with sealing propertytest fixed seat and through valve cylinder and can be in valve cylinder
Airspace is vertically arranged and formed between valve rod and valve cylinder to the valve rod for moving up and down, valve cylinder, and valve rod is vertically arranged and on valve rod
The first valve seals, the second valve seals and the 3rd valve seals are from top to bottom sequentially provided with, are from top to bottom set successively on valve rod
There are the first gas port, the second gas port and the 3rd gas port, the first gas port is in communication with the outside, the second gas port is communicated to by sealing appendix
Second sealing ring, the 3rd gas port is communicated to the second air hose by the 3rd air hose, is provided with the 3rd air hose in pipe
Breather check valve；In the vertical direction：When push-and-pull base into contact upper limit seat, the first gas port is in the first valve seals and
Between two valve seals, the second gas port and the 3rd gas port are between the second valve seals and the 3rd valve seals；Work as push-and-pull
During base into contact lower limit seat, the first gas port and the second gas port are between the first valve seals and the second valve seals, the
Three gas ports are between the second valve seals and the 3rd valve seals.
Compared with prior art, this superfine powder fire extinguisher structure and valve installation system have advantages below：
This superfine powder fire extinguisher simple structure, convenient to install, dismantle and keep in repair, good seal performance, easily operation, injection stream
Freely；Valve installation system combines the design feature of valve, and quickly valve can be assembled, and simple structure, operation side
Just.
Description of the drawings
Fig. 1 is the structural representation of extinguisher valve；
Fig. 2 is the structural representation of assembly bench；
Fig. 3 is the structural representation of medium flow field general character detection means in the present invention；
Fig. 4 is the structural representation of device for detecting sealability in the present invention；
Fig. 5 is the structural representation in Fig. 4 at air interchanger.
In figure, upper valve base 11, valve internal channel 11a, venthole 11b, additive fluid spray-hole 11c, lid 11d, valve element group
Part 12, depression bar 12a, valve element 12b, upper sealing ring 12c, back-moving spring 13, lower valve base 14, pipe internal channel 14a, support rim 14b,
Assembly bench 15, shoulder hole 15a, insertion rod 15b, swivel head 16, electric rotating machine 16a, telescoping cylinder 16b, first sealing inflating seat 21,
First sealing ring 21a, the first air supply duct 21b, the first air hose 21c, by blowing structure 22, blown a 22a, spring base 22b, received
Play wind and string instruments spring 22c, blown block 22d, valve opening structure 23, pressing plate 23a, valve opening electric cylinders 23b, second sealing inflating seat 31, second seal
Circle 31a, the second air supply duct 31b, the second air hose 31c, outsourcing cylinder 311, base plate 312, micro- moving structure 32, the second gas transmission are hanged
It is rope 32a, jog ball 32b, push-and-pull pedestal 33, push-and-pull electric cylinders 33a, the perpendicular guide rod 34 of inflating seat, upper pushing block 34a, lower pushing block 34b, close
The perpendicular guide rod 35 of envelope seat, upper limit seat 35a, lower limit seat 35b, air interchanger 4, valve cylinder 4a, valve rod 4b, sealing appendix 4c, the
Three air hose 4d, the first valve seals 41, the second valve seals 42, the 3rd valve seals 43, the first gas port 44, the second gas port
45th, the 3rd gas port 46,.
Specific embodiment
The specific embodiment of the present invention is the following is, and combines accompanying drawing and technical scheme is further described,
But the present invention is not limited to these embodiments.
As shown in figure 1, superfine powder fire extinguisher structure, including fire extinguisher tank, valve, the valve includes：Upper valve base
11st, core assembly 12, the spring of bullet 13 and lower valve base 14, upper valve base is provided with valve internal channel 11a, and valve internal channel top arranges depression bar
12a pilot holes；Core assembly include depression bar, the upper sealing ring 12c being arranged on depression bar, lower seal and be arranged on depression bar and
For the valve element 12b of blocked valve internal channel, depression bar top is slidably fitted in the pilot hole of upper valve base, between depression bar and pilot hole
The upper sealing ring for being slidingly sealed is provided with, pilot hole is stretched out on depression bar top, for devices such as connection pressing handles；Under depression bar
End connection valve element, lower seal is in valve element top；Upper valve base side wall is provided with the venthole 11b connected with valve internal channel, uses
In connection jet hose, upper valve base lower end is provided with the air admission hole connected with valve internal channel, and air admission hole aperture is less than valve internal channel hole,
So that two ducts excessively place is excessive for ladder；Internal thread is provided with air admission hole, lower valve base is provided with can be outer with screw-internal thread fit
There is the pipe internal channel 14a through lower valve base axial direction, in lower valve base in screw thread so that lower valve base is connected with upper valve base, lower valve base
Support rim 14b for supporting back-moving spring is provided with, supports rim to be arranged on pipe internal channel inwall, reset back-moving spring
Support valve element, by lower seal top pressure on the port of air admission hole.The lower valve seat pipe internal channel is square cavity.
In above-mentioned superfine powder fire extinguisher structure, the screw thread top of upper valve base has flange, and flange is arranged with ring
Shape sealing ring, for the sealing between fire extinguisher tank.
In above-mentioned superfine powder fire extinguisher structure, venthole is provided with the internal thread of connection jet hose.
As shown in Fig. 2 the valve installation system of superfine powder fire extinguisher structure, including the assembling being arranged on main workbench
Platform 15, assembly bench is provided with the up big and down small shoulder hole 15a for placing upper valve base, and pluggable valve is provided with assembly bench
Insertion rod 15b of the telescoping mechanism control of venthole, the pipe internal channel of correspondence lower valve base is provided with rotating machine below assembly bench
The swivel head 16 of structure control, swivel head is by rotating mechanism（Such as electric rotating machine 16a）Control is around the rotation of ladder hole axle, the swivel head
With the square termination that the square cavity with lower valve seat pipe internal channel coordinates, swivel head is controlled by telescoping mechanism (such as telescoping cylinder 16b)
System is stretched up and down.
Upper valve base is placed in shoulder hole during installation so that the air admission hole of upper valve base is located in the smaller hole of shoulder hole, is made
Flange above the screw thread of upper valve base is stuck at ladder, be inserted into bar insertion valve venthole so that upper valve base can not be around
The axis rotation of shoulder hole.Then, core assembly is inserted in upper valve base, then lower valve base is placed on swivel head so that
The square cavity of lower valve seat pipe internal channel coordinates with square termination, then back-moving spring is put into lower valve base, then swivel head
The flexible air inlet position that lower valve base is reached upper valve base, swivel head is rotated lower valve base by being threaded into upper valve base.
As shown in Fig. 3 to Fig. 5, the installation system also includes the medium flow field general character inspection of the valve after installing for detection
Device is surveyed, medium flow field general character detection means is included for fixing the first valve seat clamping manipulator of upper valve base, being in the first valve seat
Below clamping manipulator first sealing inflating seat 21, for by venthole spray air-flow blow by blowing structure 22 and be in folder
Hold manipulator top and for depressing the valve opening structure 23 of push rod, valve opening structure includes the pressing plate 23a and use for depressing push rod
In valve opening electric cylinders 23b moved up and down with dynamic pressure plate, included by blowing a 22a, located at by the spring base blown on seat by blowing structure
22b, spring 22c and with spring is connected by playing wind and stringing instruments blown block by playing wind and stringing instruments located at by the sign groove and spring base connection that blow on seat
22d, is blown block and is slidably connected with seat is blown, and is blown block and is between sign groove and air admission hole, and the first sealing inflating seat is provided with
First baroceptor, for contact with lower valve base lower end surface sealing the first sealing ring 21a and for pipe internal channel supply
First air supply duct 21b of gas, is provided with the first supply check valve in the first air supply duct, the first air supply duct passes through the first air hose
21c is communicated to one first air feed pump.
Upper valve base is clamped using the first valve seat clamping manipulator during detection, and by upper valve base together with the valve for entirely assembling
It is fixed in the way of upper and lower valve seat is under by upper valve base, and when fixed, allows lower valve base lower end surface to push down the first sealing
Circle, starts air feed pump, allows the air hoses of air feed pump Jing first, the first air supply duct to supply pipe internal channel and valve internal channel,
By the air pressure in the first baroceptor detection pipe internal channel, after the air pressure in pipe internal channel reaches detected value, stop supply,
Push rod is pushed using valve opening electric cylinders band dynamic pressure plate, band movable valve plug is moved down, and valve internal channel is opened unblank, and air-flow is from outlet
Hole sprays, and blows to block, is blown block movement, is blown spring-compressed, and observation is received to blow the position of block, if blown block can move
By indicating groove, then judge that the medium flow field general character is qualified in the valve of valve, subsequent valve opening electric cylinders reset, manipulator unclamps upper valve base.
After the completion of assembling, need to detect internal ventilation effect, i.e.,：Can medium pass through the stream that valve and medium pass through
Smooth property, can the flow that sprayed qualified.When fire extinguisher is produced, certain pressure can be added in fire extinguisher tank, to ensure
When using, fire extinguisher can sustained firing firing-fighting medium to external world.In the present embodiment, using air feed pump to pressurizeing in valve body,
Actual fire extinguisher pressure inside the tank is simulated, and detects whether the medium flow field general character is qualified in valve by blowing by blowing structure.Tool
Health check-up surveys various informative, and here is given one example, and first carries out quantitative design to each detection structure：Start to be not provided with indicating groove, first
Take some（Such as 30）The fire extinguisher of requisite quality（Fire extinguisher pressure inside the tank is setting value）, to being entered by the block that blown in blowing structure
Row injection（Blowing direction is just to being blown block and parallel to being blown axle of spring）, by blowing block most when detecting that each fire extinguisher is blown
Big displacement, takes the mean value A of these maximum moving distances, is being played wind and strung instruments on spring axial direction, and distance is opened up by blowing structure A
Sign groove.Followed by valve detection, during detection, as long as blown block and can be moved to or by indicating groove, that is, illustrate valve
The medium flow field general character is qualified in the valve of door.
The main workbench is provided with device for detecting sealability, device for detecting sealability include for fix upper valve base
Two valve seat clamping manipulators, second be in below the second valve seat clamping manipulator seal inflating seat 31 and for detecting venthole
Whether micro- moving structure 32 of gas leakage, the second sealing inflating seat includes outsourcing cylinder 311 and the base plate 312 being connected with outsourcing cylinder, outward
The vertical arrangement and upper and lower ends are open of bag cylinder, base plate seals outsourcing cylinder lower ending opening, outsourcing medial wall of the tube be provided with for
Second sealing ring 31a of lower valve base lateral wall contact, base plate is provided with the second baroceptor, for what is supplied to pipe internal channel
Second air supply duct 31b, is provided with the second supply check valve in the second air supply duct, the second air supply duct is connected by the second air hose 31c
One second air feed pump is passed to, micro- moving structure includes hanging rope 32a that vertically arrangement and upper end are fixed and is arranged on hanging rope lower end
And the jog ball 32b that air-flow blows can be revealed by venthole；
Second sealing ring is the gas-flow closure circle with inflation inner chamber, and device for detecting sealability is also solid including sealing propertytest
Reservation, the inflating seat of the sealing inflating seat connection of push-and-pull pedestal 33 and second erect guide rod 34 and move down on push-and-pull pedestal for driving
Dynamic push-and-pull electric cylinders 33a, the perpendicular guide rod of inflating seat is provided with pushing block 34a and lower pushing block 34b, and sealing propertytest fixed seat is provided with
Seal receptacle erects guide rod 35, and the perpendicular guide rod of seal receptacle is provided with upper limit seat 35a and lower limit seat 35b, and push-and-pull pedestal is in pushing block
Between lower pushing block, the perpendicular guide rod of push-and-pull pedestal and inflating seat is slidably matched, push-and-pull pedestal be in upper limit seat and lower limit seat it
Between, push-and-pull pedestal is slidably matched with the perpendicular guide rod of seal receptacle, and sealing propertytest fixed seat is provided with air interchanger 4, air interchanger bag
Include the valve cylinder 4a that is connected with sealing propertytest fixed seat and through valve cylinder and the valve rod 4b that can move up and down in valve cylinder, valve cylinder is erected
Straight to arrange and airspace is formed between valve rod and valve cylinder, the first valve is vertically arranged and be from top to bottom sequentially provided with valve rod to valve rod
Sealing ring 41, the second valve seals 42 and the 3rd valve seals 43, are from top to bottom sequentially provided with the first gas port 44, second on valve rod
The gas port 46 of gas port 45 and the 3rd, the first gas port is in communication with the outside, and the second gas port is communicated to the second sealing by sealing appendix 4c
Circle, the 3rd gas port is communicated to the second air hose by the 3rd air hose 4d, ventilation in pipe is provided with the 3rd air hose single
To valve；
In the vertical direction：When push-and-pull base into contact upper limit seat, it is close with the second valve that the first gas port is in the first valve seals
Between seal, the second gas port and the 3rd gas port are between the second valve seals and the 3rd valve seals；When push-and-pull pedestal connects
When touching down limit base, the first gas port and the second gas port are between the first valve seals and the second valve seals, the 3rd gas port
It is between the second valve seals and the 3rd valve seals.
During detection, upper valve base is clamped using the first valve seat clamping manipulator, and make upper valve base in upper and lower valve seat under, profit
Driven with push-and-pull electric cylinders and moved on push-and-pull pedestal, while driving, upper pushing block, the second sealing inflating seat and valve rod are upper together to be moved, electric cylinders band
Suspend after dynamic push-and-pull base into contact upper limit seat, now the second sealing ring be in lower valve base lateral wall and outsourcing medial wall of the tube it
Between, now gas-flow closure circle is with startup air feed pump is supplied, by second to gas-flow closure circle, pipe internal channel and valve internal channel
Air pressure in baroceptor detection pipe internal channel, after the air pressure in pipe internal channel reaches detected value, stops supply, observes micro-
Whether dynamic ball rocks, if without substantially rocking, judging that the valve interior sealing of valve is qualified, now outside the second sealing ring and lower valve base
Compress mutually between the wall of side, push-and-pull electric cylinders drive push-and-pull pedestal to move down reset, when push-and-pull pedestal is moved down, drive valve rod to move down, make
First gas port is connected with the second gas port, and so as to the gas in the second sealing ring starts outwardly to discharge, push-and-pull pedestal continues to move down
And lower pushing block is contacted, now thrust is less between the second sealing ring and lower valve base lateral wall, and push-and-pull pedestal can be to
It is lower to pull second to seal inflating seat, and make the second sealing inflating seat fall reset.
During detection sealing, need to avoid other positions outside valve body itself（That is outsourcing medial wall of the tube and lower valve base outside
Between wall）The impact that gas leakage is brought, to ensure testing result accuracy.In the present embodiment, by arrange inflatable second
Sealing ring so that in detection process, the sealing effectiveness between outsourcing cylinder and lower valve base lateral wall can be reinforced（Detection gas was both
It is filled with valve, is filled with again in the second sealing ring）, so as to can effectively eliminate disturbing factor, lift accuracy of detection.But, arrange
Second sealing ring of inflatable, also brings along adverse effect：Can press between that second sealing ring and lower valve base lateral wall
It is very tight, depart to get up inconvenience.For this problem, it is provided with the present embodiment " two-stage detaching structure "：Detection is completed, push-and-pull base
When seat initially moves down reset, due to compressing between the second sealing ring and lower valve base lateral wall, so the second sealing can not be driven
Inflating seat is moved, and is only first passed through drive valve rod and moved down, and allowing makes the first gas port connect with the second gas port, in making the second sealing ring
Gas outwardly discharge it is a certain amount of after, thrust between the second sealing ring and lower valve base lateral wall could be allowed to become very little or
Separate between two sealing rings and lower valve base lateral wall, could now ensure that the second sealing inflating seat falls reset（Now second is close
Envelope inflating seat can be because gravity falls, or is left behind by lower pushing block by push-and-pull pedestal）.Consequently, it is possible to can be with
The structured homing action of institute is disposably completed using push-and-pull electric cylinders, it is convenient and swift.Additionally, in detection process, push-and-pull electric cylinders
Disposably each structure can also be promoted in place.
It should be pointed out that why without in medium flow field general character detection means it is such by blowing structure detecting sealing
Property, when being because detecting sealing, need the detection structure that precision is higher, micro- moving structure just to meet this point, detect
When, as long as jog ball is slightly moved, just explanation gas leakage.
Specific embodiment described herein is only explanation for example spiritual to the present invention.Technology neck belonging to of the invention
The technical staff in domain can be made various modifications to described specific embodiment or supplement or replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Although more having used some terms herein, it is not precluded from using the possibility of other terms.Using these
Term is used for the purpose of more easily describing and explaining the essence of the present invention；It is construed as any additional restriction all
It is contrary with spirit of the invention.
Specific embodiment described herein is only explanation for example spiritual to the present invention.Technology neck belonging to of the invention
The technical staff in domain can be made various modifications to described specific embodiment or supplement or replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Although more having used some terms herein, it is not precluded from using the possibility of other terms.Using these
Term is used for the purpose of more easily describing and explaining the essence of the present invention；It is construed as any additional restriction all
It is contrary with spirit of the invention.
Claims (6)
1. a kind of superfine powder fire extinguisher structure, including fire extinguisher tank, valve, it is characterised in that the valve includes upper valve
Seat, core assembly, back-moving spring and lower valve base, upper valve base is provided with valve internal channel, and valve internal channel top arranges depression bar pilot hole；
Core assembly includes depression bar, the upper sealing ring being arranged on depression bar, lower seal and is arranged on depression bar and in blocked valve
The valve element of passage, depression bar top is slidably fitted in the pilot hole of upper valve base, is provided between depression bar and pilot hole for sliding
Pilot hole is stretched out on the upper sealing ring of sealing, depression bar top, and depression bar lower end connection valve element, lower seal is in valve element top；Upper valve
Seat side wall is provided with the venthole connected with valve internal channel, and upper valve base lower end is provided with the air admission hole connected with valve internal channel, air inlet
Hole aperture is less than valve internal channel aperture；Be provided with internal thread in air admission hole, lower valve base be provided with can with the external screw thread of screw-internal thread fit,
There is the pipe internal channel through lower valve base axial direction in lower valve base, the support rim for supporting back-moving spring be provided with lower valve base,
Rim is supported to be arranged on pipe internal channel inwall, back-moving spring supports valve element, by lower seal top pressure on the port of air admission hole.
2. superfine powder fire extinguisher structure according to claim 1, it is characterised in that the screw thread top of upper valve base has convex
Edge, flange is arranged with O-ring seal.
3. superfine powder fire extinguisher structure according to claim 1, it is characterised in that it is soft that venthole is provided with connection injection
The internal thread of pipe.
4. the valve installation system of superfine powder fire extinguisher structure according to claim 1, it is characterised in that it includes dress
With platform, assembly bench is provided with the up big and down small shoulder hole for placing upper valve base, pluggable valve is provided with assembly bench and is gone out
The insertion rod of pore, the pipe internal channel of correspondence lower valve base is provided with the swivel head of rotating mechanism control below assembly bench, described
Swivel head has the square termination coordinated with the square cavity of lower valve seat pipe internal channel, and swivel head is stretched up and down by telescoping mechanism control
Contracting.
5. valve installation system according to claim 4, it is characterised in that the device is also included for detecting valve medium
The detection means of circulation, medium flow field general character detection means includes the first valve seat clamping manipulator, the place for fixing upper valve base
The first sealing inflating seat below the first valve seat clamping manipulator, for spraying that air-flow blows by venthole by blowing structure and
It is in clamping manipulator top and for depressing the valve opening structure of push rod, valve opening structure includes the pressing plate and use for depressing push rod
In the valve opening electric cylinders moved up and down with dynamic pressure plate, included by blowing seat, located at by the spring base blown on seat, located at being blown by blowing structure
Sign groove and spring base connection on seat by playing wind and stringing instruments spring and with spring be connected by playing wind and stringing instruments is blown block, is blown block and is slided with seat is blown
Dynamic connection, is blown block and is between sign groove and air admission hole, the first sealing inflating seat be provided with the first baroceptor, for
First sealing ring and the first air supply duct for supplying to pipe internal channel of lower valve base lower end surface contact sealing, the first air supply duct
The first supply check valve is inside provided with, the first air supply duct is communicated to one first air feed pump by the first air hose.
6. valve installation system according to claim 4, it is characterised in that the main workbench is provided with sealing propertytest
Device, device for detecting sealability is included for fixing the second valve seat clamping manipulator of upper valve base, being in the second valve seat clamping machine
Second sealing inflating seat of tool subordinate side and for detecting venthole whether micro- moving structure of gas leakage, the second sealing inflating seat bag
The base plate for including outsourcing cylinder and being connected with outsourcing cylinder, outsourcing cylinder is vertically arranged and upper and lower ends are open, and base plate is sealed under outsourcing cylinder
End opening, outsourcing medial wall of the tube is provided with the second sealing ring for contacting with lower valve base lateral wall, and base plate is provided with the second gas
Pressure sensor, the second air supply duct for supplying to pipe internal channel, are provided with the second supply check valve in the second air supply duct, second supplies
Air flue is communicated to one second air feed pump by the second air hose, micro- moving structure include one vertically arrangement and upper end fix it is outstanding
Restrict and be arranged on hanging rope lower end and the jog ball that air-flow blow can be revealed by venthole；Second sealing ring is with inflation
The gas-flow closure circle in chamber, device for detecting sealability also includes sealing propertytest fixed seat, push-and-pull pedestal and the second sealing inflating seat
The perpendicular guide rod of the inflating seat of connection and the push-and-pull electric cylinders for driving push-and-pull pedestal to move up and down, the perpendicular guide rod of inflating seat is provided with and pushes away
Block and lower pushing block, sealing propertytest fixed seat is provided with the perpendicular guide rod of seal receptacle, the perpendicular guide rod of seal receptacle be provided with upper limit seat and under
Limit base, push-and-pull pedestal is between pushing block and lower pushing block, and push-and-pull pedestal is slidably matched with the perpendicular guide rod of inflating seat, push-and-pull pedestal
It is between upper limit seat and lower limit seat, push-and-pull pedestal is slidably matched with the perpendicular guide rod of seal receptacle, in sealing propertytest fixed seat
Be provided with air interchanger, air interchanger include the valve cylinder being connected with sealing propertytest fixed seat and through valve cylinder and can be in the valve cylinder on
Airspace is vertically arranged and formed between valve rod and valve cylinder to the valve rod of lower movement, valve cylinder, valve rod vertically arrange and on valve rod by
The first valve seals, the second valve seals and the 3rd valve seals are up to sequentially provided with down, are from top to bottom sequentially provided with valve rod
First gas port, the second gas port and the 3rd gas port, the first gas port is in communication with the outside, and the second gas port is communicated to the by sealing appendix
Two sealing rings, the 3rd gas port is communicated to the second air hose by the 3rd air hose, is provided with logical in pipe in the 3rd air hose
Gas check valve；In the vertical direction：When push-and-pull base into contact upper limit seat, the first gas port is in the first valve seals and second
Between valve seals, the second gas port and the 3rd gas port are between the second valve seals and the 3rd valve seals；When push-and-pull base
When seated connection touches down limit base, the first gas port and the second gas port are between the first valve seals and the second valve seals, and the 3rd
Gas port is between the second valve seals and the 3rd valve seals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611021130.9A CN106621132B (en) | 2016-11-21 | 2016-11-21 | The valve installation system of superfine powder fire extinguisher structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201611021130.9A CN106621132B (en) | 2016-11-21 | 2016-11-21 | The valve installation system of superfine powder fire extinguisher structure |
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| Publication Number | Publication Date |
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| CN106621132A true CN106621132A (en) | 2017-05-10 |
| CN106621132B CN106621132B (en) | 2019-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611021130.9A Active CN106621132B (en) | 2016-11-21 | 2016-11-21 | The valve installation system of superfine powder fire extinguisher structure |
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| CN113995990A (en) * | 2021-09-24 | 2022-02-01 | 江志军 | Safe sprinkler for fire extinguisher |
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| CN106621132B (en) | 2019-03-29 |
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