CN206352679U - A kind of plug-in pressure reducer applied to fire-fighting fire extinguishing - Google Patents
A kind of plug-in pressure reducer applied to fire-fighting fire extinguishing Download PDFInfo
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- CN206352679U CN206352679U CN201621417883.7U CN201621417883U CN206352679U CN 206352679 U CN206352679 U CN 206352679U CN 201621417883 U CN201621417883 U CN 201621417883U CN 206352679 U CN206352679 U CN 206352679U
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Abstract
The utility model discloses a kind of plug-in pressure reducer applied to fire-fighting fire extinguishing, plug-in pressure reducer is assigned on fire fighting extinguisher mounting hole by thread cartridge structure, and it includes lid pressure regulation part and valve body valve element part；Upper lid pressure-regulating portion, which is arranged with to be provided with to hold on a pressure spring, upper lid in a upper lid, upper lid, is provided with a pressure regulation screw mandrel and lock nut, and upper lid lower end internal thread is connected with parent, and external screw thread is connected with fire fighting extinguisher；Parent valve element part, which is provided with inside a parent, parent, is provided with a piston, valve seat and valve element, and the top of valve seat is that, provided with two ventholes in pressure reducer low pressure chamber, low pressure chamber, outlet leads to inside fire fighting extinguisher；The lower section of valve seat is that, provided with two air admission holes in pressure reducer high pressure chest, high pressure chest, air admission hole leads to fire fighting extinguisher gases at high pressure import.The utility model compact conformation, occupies little space, and is easy to dismounting, and risk of leakage is smaller.
Description
Technical field
The utility model is related to plug-in pressure reducer, more particularly to a kind of plug-in pressure reducer applied to fire-fighting fire extinguishing.
Background technology
Changed with the development and industrial technology with rapid changepl. never-ending changes and improvements of modern industrialization, the application field of pneumatics is more next
It is more extensive.In fire-fighting fire extinguishing field, usual pressure reducer is used as single part, general to use spiral shell from conventional pressure reducer
Line pipeline jointing construction.
Existing market provide plug-in pressure reducer can not meet fire-fighting fire extinguishing reliable to product safety, compact conformation, into
This requirement that is low and being easily installed.
It is relatively large that existing plug-in pressure reducer also has a volume, and cost of manufacture is high, and junction leak source also compares
It is more, install, using and coherent detection dismounting it is also extremely inconvenient.
Utility model content
The technical problems to be solved in the utility model is to provide that a kind of compact conformation, manufacturing cost are low, leakage point is few, safety
Reliably, the plug-in pressure reducer applied to fire-fighting fire extinguishing of convenient disassembly.
To reach above-mentioned purpose, the technical solution of the utility model is as follows：
A kind of plug-in pressure reducer applied to fire-fighting fire extinguishing, the plug-in pressure reducer includes：
Lid pressure regulation part on one, the upper lid pressure-regulating portion point includes：
Covered on one, lower end and the fire fighting extinguisher body of the upper lid are detachably connected；
One is arranged on the spring base inside lid；
One is arranged on the regulation spring contacted above spring base and with spring base；
One is arranged on above regulation spring and is turned round with the spring that regulation spring is contacted；
One is arranged on the pressure regulation screw mandrel above spring torsion, and one end of pressure regulation screw mandrel is pressed on spring and turned round, and the other end passes through
Thread connecting mode is screwed out to the outside of upper lid,
One is set in the cup nut that pressure regulation screw mandrel is located at upper outer side of lid one end；
One parent valve element part, the parent valve element part includes：
One parent, the upper end of the parent and the lower end of upper lid are detachably connected, and the parent is provided with two and fire-fighting
In air admission hole and two ventholes that the import of extinguishing device body gases at high pressure is connected, venthole and fire fighting extinguisher body
Portion is connected；
One is arranged on the piston of parent inner upper, the top of the piston and the lower contacts of spring base；
One is arranged on the valve element of parent lower inside；
One is arranged on the valve seat above valve element, and the lower section of valve seat is high pressure chest, and high pressure chest and two air admission holes are connected；Valve seat
Top be low pressure chamber, low pressure chamber is connected with two ventholes；
One is arranged on the nozzle below piston, and the nozzle is located at the top of valve seat, and nozzle threads screw in valve element, and by valve
Seat is pressed on valve element；
One is movably disposed at the valve rod inside parent, and the lower end of the valve rod is arranged in valve element, the lower end of valve rod
Back-moving spring is arranged with, the upper end of the valve rod is placed in nozzle interior, and the energy when piston is moved downward through valve seat and nozzle
It is enough to be pushed down on by piston.
In one embodiment of the present utility model, lower end outer surface and the fire fighting extinguisher body of the upper lid are installed
It is threaded connection between hole.
In one embodiment of the present utility model, between the upper end outer surface of the parent and the lower end inner surface of upper lid
For threaded connection.
In one embodiment of the present utility model, O-ring and back-up ring are provided between the sealing surface of the piston and parent.
In one embodiment of the present utility model, the top of the piston is provided with circlip, and the circlip is used
Shifted up in limitation piston.
In one embodiment of the present utility model, parent and fire fighting extinguisher body above parent air admission hole
Sealing surface between be provided with O-ring and back-up ring.
In one embodiment of the present utility model, parent and fire fighting extinguisher body below parent air admission hole
Sealing surface between be provided with O-ring and back-up ring.
In one embodiment of the present utility model, the valve rod is made up of upper valve rod, middle valve rod and lower valve rod, upper valve
Bar passes through valve seat and nozzle, and lower valve rod is arranged in valve element, and lower valve rod is not contacted with valve element bottom, and middle valve rod is diametrically small
Big pyramidal structure down, it seals for taper surface between valve seat, can limit valve rod and move up.
By above-mentioned technical proposal, the beneficial effects of the utility model are：
The utility model is safe and reliable, occupy little space, compact conformation, low cost, good airproof performance and be easy to dismounting.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the utility model sectional view 1；
Fig. 2 is the utility model sectional view 2；
Numeral and the corresponding component title represented by letter in figure：
10th, fire fighting extinguisher 11, gases at high pressure import 20, upper lid 30, spring base 40, regulation spring 50, spring
Turn round 60, pressure regulation screw mandrel 70, cup nut 80, parent 81, air admission hole 82, venthole 90, piston 100, valve element 101,
Resettlement groove 110, valve seat 120, nozzle 130, valve rod 131, upper valve rod 132, middle valve rod 133, lower valve rod 140, elasticity gear
Circle 150, back-moving spring 160, O-ring 170, back-up ring.
Embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, under
Face combines and is specifically illustrating, and the utility model is expanded on further.
Referring to shown in Fig. 1 and Fig. 2, the utility model discloses a kind of plug-in pressure reducer applied to fire-fighting fire extinguishing, insert
Dress formula pressure reducer is assigned on the mounting hole of fire fighting extinguisher, and plug-in pressure reducer includes upper lid pressure regulation part and parent valve element
Part.
Upper lid pressure-regulating portion point includes lid 20, the spring base being arranged on inside lid 20 30, is arranged on the top of spring base 30
And contacted with spring base regulation spring 40, be arranged on regulation spring 40 top and contact with regulation spring spring torsion 50, set
Put the pressure regulation screw mandrel 60 above spring torsion and be set in the cup nut 70 that pressure regulation screw mandrel is located at upper outer side of lid one end.
Be threadedly coupled between the lower end outer surface of upper lid 20 and the mounting hole of fire fighting extinguisher 10, its be easily installed with
Dismounting；Upper lid 20 is the cover type structure of inner hollow, the bottom end opening of upper lid 20, for installing parent 80, the top of upper lid 20
Provided with internal thread through hole.
One end of pressure regulation screw mandrel 60 is pressed on spring and turned round on 50, and the other end passes through the internal thread through hole on the upper top of lid 20, adopts
Screwed out with thread connecting mode to the outside of upper lid 20, be easy to regulation；Pressure regulation screw mandrel 60 can be adjusted with manual rotation, and it is transported downwards
When dynamic, first extrusion spring turns round 50, and spring turns round 50 and drives regulation springs 40 to compress, and regulation spring 40 push the spring seat 30 is to moving down
It is dynamic；The output pressure value of plug-in pressure reducer is adjusted by manually adjusting the screw-in depth of pressure regulation screw mandrel 60, pressure has been set
Fixed into rear by cup nut 70, prevent pressure regulation screw mandrel from loosening and influenceing the setup pressure value of plug-in pressure reducer.
Parent valve element part includes parent 80, is arranged on the piston 90 of parent inner upper, is arranged on parent lower inside
Valve element 100, be arranged on above valve element valve seat 110, be arranged on the nozzle 120 of the lower section of piston 90 and be movably disposed at
Valve rod 130 inside parent；Parent 80 be hollow structure inside, the upper opening of parent 80, the upper end outer surface of parent 80 with
It is threaded connection between the lower end inner surface of upper lid 20, it is easily installed and dismantled.
The top of piston 90 and the lower contacts of spring base 30, can downwards be transported when spring base 30 is moved downward with piston 90
Dynamic, the top of piston 90 is additionally provided with circlip 140, and one end of circlip 140 is fixedly connected with parent 80, circlip
140 shift up for limiting piston 90.
The inner hollow of valve element 100, and provided with the resettlement groove 101 for installing lower valve rod 133；The middle part of valve seat 110 is provided with confession
The through hole that valve rod 130 is passed through, the lower section of valve seat 110 is high pressure chest, and the top of valve seat 110 is low pressure chamber；The bottom of nozzle 120 is set
There is the through hole passed through for valve rod 130, the vertical central axis of the through hole is with the vertical central axis of through hole on valve seat 110 at one
On straight line, it is easy to the installation of valve rod 130；Nozzle 120 is located at the top of valve seat 110, and nozzle 120 is threaded into valve element 100, and will
Valve seat 110 is pressed on valve element 100, and nozzle 120, valve seat 110, valve element 100 are fixture, when plug-in pressure reducer works
Do not produce displacement.
Valve rod 130 is made up of upper valve rod 131, middle valve rod 132 and lower valve rod 133, upper valve rod 131 through valve seat 110 with
And the through hole of nozzle 120, and positioned at the lower section of piston 90, connected between upper valve rod 131 and valve seat 110 and nozzle 120 for unthreaded hole,
It is easy to movement；When piston 90 is moved downward, upper valve rod 131 can be promoted to move downward, so as to drive whole valve rod 130 fortune downwards
It is dynamic；Middle valve rod 132 is the up-small and down-big pyramidal structure of diameter, and it is sealed between valve seat 110 for taper surface, middle valve rod 132
Special construction can limit valve rod 130 and move up and improve sealing property between valve rod 130 and valve seat 110；Lower valve rod
133 are arranged in the resettlement groove 101 inside valve element 100, and back-moving spring 150 is arranged with lower valve rod 133, back-moving spring 150
Diameter is more than the diameter of resettlement groove 101, and the bottom surface of middle valve rod 132 is withstood in one end of back-moving spring 150, and the other end withstands on middle valve rod
133 settlement bottom, when back-moving spring 150 in a state of nature when, the bottom of lower valve rod 133 and the bottom surface of resettlement groove 101 it
Between leave gap, the gap be valve rod move down leaving space.
Two air admission holes 81 and two ventholes 82, one end of air admission hole 81 and fire fighting extinguisher are additionally provided with parent 80
Gases at high pressure import 11 on 10 is connected, the other end and high pressure chest connect；One end of venthole 82 is connected with low pressure chamber, another
End with the internal switching of fire fighting extinguisher 10, for fire fighting extinguisher delivered inside depressurize after gas.
O-ring 160 and back-up ring 170 are provided between the sealing surface of the utility model piston 90 and parent 80, it is used to prevent
Gas in low pressure chamber leaks into outside.
The utility model, which is located between the parent 80 of the top of parent air admission hole 81 and the sealing surface of fire fighting extinguisher 10, to be set
There are O-ring 160 and back-up ring 170, it is used to prevent high pressure gas leakage to outside；Parent 80 positioned at the lower section of parent air admission hole 81
O-ring 160 and back-up ring 170 are provided between the sealing surface of fire fighting extinguisher 10, it is used to preventing high pressure gas leakage to disappearing
Inside fire extinguishing device.
Operation principle of the present utility model is as follows：
External high pressure gas enters plug-in pressure reducer by the gases at high pressure import 11 on fire fighting extinguisher 10
In air admission hole 81, gases at high pressure reach high pressure chest by air admission hole 81, if now gas pressure is too high, need decompression；It is first
Regulation screw mandrel 60 (depth of regulation is decided according to the actual requirements) is first rotated down, it is solid by cup nut 70 after being rotated in place
It is fixed；Regulation screw mandrel 60 is pressed down against spring and turns round 50, and spring turns round 50 and drives regulation spring 40 to compress, regulation spring 40 push the spring seat
30 are moved down, and band piston 90 is moved downward when spring base 30 is moved downward, and piston 90 promotes upper valve rod 131 to move downward,
So as to driving whole valve rod 130 to move downward, now middle valve rod 132 and the depressurization of valve seat 110, gases at high pressure enter low pressure chamber
Depressurized, the gas after decompression is entered inside fire fighting extinguisher 10 by venthole 82.
General principle of the present utility model and principal character and advantage of the present utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the utility model spirit and scope are not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within the range of claimed the utility model.The utility model
Claimed scope is by appended claims and its equivalent thereof.
Claims (8)
1. a kind of plug-in pressure reducer applied to fire-fighting fire extinguishing, it is characterised in that the plug-in pressure reducer includes：
Lid pressure regulation part on one, the upper lid pressure-regulating portion point includes：
Covered on one, lower end and the fire fighting extinguisher body of the upper lid are detachably connected；
One is arranged on the spring base inside lid；
One is arranged on the regulation spring contacted above spring base and with spring base；
One is arranged on above regulation spring and is turned round with the spring that regulation spring is contacted；
One is arranged on the pressure regulation screw mandrel above spring torsion, and one end of pressure regulation screw mandrel is pressed on spring and turned round, and the other end passes through screw thread
Connected mode is screwed out to the outside of upper lid,
One is set in the cup nut that pressure regulation screw mandrel is located at upper outer side of lid one end；
One parent valve element part, the parent valve element part includes：
One parent, the upper end of the parent and the lower end of upper lid are detachably connected, and the parent is provided with two and fire-fighting fire extinguishing
Air admission hole and two ventholes that the import of device body gases at high pressure is connected, venthole connect with fire fighting extinguisher body interior
It is logical；
One is arranged on the piston of parent inner upper, the top of the piston and the lower contacts of spring base；
One is arranged on the valve element of parent lower inside；
One is arranged on the valve seat above valve element, and the lower section of valve seat is high pressure chest, and high pressure chest and two air admission holes are connected；Valve seat it is upper
Side is low pressure chamber, and low pressure chamber is connected with two ventholes；
One is arranged on the nozzle below piston, and the nozzle is located at the top of valve seat, and nozzle threads screw in valve element, and by valve seat pressure
Tightly on valve element；
One is movably disposed at the valve rod inside parent, and the lower end of the valve rod is arranged in valve element, and the lower end of valve rod is arranged
There is a back-moving spring, the upper end of the valve rod is placed in nozzle interior through valve seat and nozzle, and can be by when piston is moved downward
Piston is pushed down on.
2. a kind of plug-in pressure reducer applied to fire-fighting fire extinguishing according to claim 1, it is characterised in that the upper lid
Lower end outer surface and fire fighting extinguisher body mounting hole between to be threadedly coupled.
3. a kind of plug-in pressure reducer applied to fire-fighting fire extinguishing according to claim 1, it is characterised in that the parent
Upper end outer surface and the lower end inner surface of upper lid between to be threadedly coupled.
4. a kind of plug-in pressure reducer applied to fire-fighting fire extinguishing according to claim 1, it is characterised in that the piston
O-ring and back-up ring are provided between the sealing surface of parent.
5. a kind of plug-in pressure reducer applied to fire-fighting fire extinguishing according to claim 1, it is characterised in that the piston
Top be provided with circlip, the circlip is used to limit piston and shift up.
6. a kind of plug-in pressure reducer applied to fire-fighting fire extinguishing according to claim 1, it is characterised in that positioned at parent
Parent above air admission hole and O-ring and back-up ring are provided between the sealing surface of fire fighting extinguisher body.
7. a kind of plug-in pressure reducer applied to fire-fighting fire extinguishing according to claim 1, it is characterised in that positioned at parent
Parent below air admission hole and O-ring and back-up ring are provided between the sealing surface of fire fighting extinguisher body.
8. a kind of plug-in pressure reducer applied to fire-fighting fire extinguishing according to claim 1, it is characterised in that the valve rod
It is made up of upper valve rod, middle valve rod and lower valve rod, upper valve rod passes through valve seat and nozzle, and lower valve rod is arranged in valve element, and lower valve
Bar is not contacted with valve element bottom, and middle valve rod is the up-small and down-big pyramidal structure of diameter, and it is sealed between valve seat for taper surface, energy
Enough limitation valve rods are moved up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621417883.7U CN206352679U (en) | 2016-12-22 | 2016-12-22 | A kind of plug-in pressure reducer applied to fire-fighting fire extinguishing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621417883.7U CN206352679U (en) | 2016-12-22 | 2016-12-22 | A kind of plug-in pressure reducer applied to fire-fighting fire extinguishing |
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| Publication Number | Publication Date |
|---|---|
| CN206352679U true CN206352679U (en) | 2017-07-25 |
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ID=59348323
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621417883.7U Active CN206352679U (en) | 2016-12-22 | 2016-12-22 | A kind of plug-in pressure reducer applied to fire-fighting fire extinguishing |
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| CN (1) | CN206352679U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108518525A (en) * | 2018-04-13 | 2018-09-11 | 捷锐企业(上海)有限公司 | A kind of heat dissipation type pressure reducing valve |
| CN109667967A (en) * | 2018-12-28 | 2019-04-23 | 捷锐企业(上海)有限公司 | Bellows diaphragm type high-cleanness high-pressure pressure-reducing valve |
| CN109973692A (en) * | 2019-04-26 | 2019-07-05 | 福建省万升消防设备有限公司 | A kind of fire-fighting pressure-reduced and-regulated, constant pressure start valve |
-
2016
- 2016-12-22 CN CN201621417883.7U patent/CN206352679U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108518525A (en) * | 2018-04-13 | 2018-09-11 | 捷锐企业(上海)有限公司 | A kind of heat dissipation type pressure reducing valve |
| CN108518525B (en) * | 2018-04-13 | 2020-03-27 | 捷锐企业(上海)有限公司 | Heat dissipation formula relief pressure valve |
| CN109667967A (en) * | 2018-12-28 | 2019-04-23 | 捷锐企业(上海)有限公司 | Bellows diaphragm type high-cleanness high-pressure pressure-reducing valve |
| CN109973692A (en) * | 2019-04-26 | 2019-07-05 | 福建省万升消防设备有限公司 | A kind of fire-fighting pressure-reduced and-regulated, constant pressure start valve |
| CN109973692B (en) * | 2019-04-26 | 2024-05-07 | 万升消防科技有限公司 | Pressure-reducing and stabilizing starting valve for fire control |
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