CN105920763A - Variable-diameter type pore plate device - Google Patents
Variable-diameter type pore plate device Download PDFInfo
- Publication number
- CN105920763A CN105920763A CN201610414983.2A CN201610414983A CN105920763A CN 105920763 A CN105920763 A CN 105920763A CN 201610414983 A CN201610414983 A CN 201610414983A CN 105920763 A CN105920763 A CN 105920763A
- Authority
- CN
- China
- Prior art keywords
- ring
- flange
- connection
- connection dish
- orifice fitting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C5/00—Making of fire-extinguishing materials immediately before use
- A62C5/02—Making of fire-extinguishing materials immediately before use of foam
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/28—Accessories for delivery devices, e.g. supports
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention provides a variable-diameter type pore plate device which is used for a foam extinguishing system. The device comprises a first flange, a guide plate, a second flange and an adjusting assembly. The first flange is provided with a first connecting plate. A plurality of baffles are hinged to the first connecting plate. Each baffle is provided with a guide column perpendicular to the surface of the baffle. The guide plate is fixed to the first connecting plate and is annular. Guide holes are formed in the surface of the guide plate, and guide columns penetrate through the guide holes. The second flange is provided with a second connecting plate. The second connecting plate is connected with the first connecting plate through a threaded connecting part. The adjusting assembly is arranged between the first connecting plate and the second connecting plate. A plurality of connecting rods are hinged to the adjusting assembly. The other end of each connecting rod is hinged to the corresponding baffle through the corresponding guide column. The diameter of the variable-diameter type pore plate device has a certain adjusting range and can be directly adjusted according to actual conditions, production and machining cost is reduced, and the mounting progress of equipment is accelerated.
Description
Technical field
The invention belongs to fire-fighting equipment field, be specifically related to a kind of variable path formula orifice fitting.
Background technology
Put out a fire after froth fire extinguishing system all using the foam dope of 3% or 6% mix with water, under normal circumstances
Water is all to be mixed by the flowrate proportioning of two kinds of liquid with the mixing of foam dope, and water mixes with foam dope
Foam dope and water also can be made during conjunction to mix because affecting by parts such as the valve in transfer pipeline, joints
There is error in composition and division in a proportion, so orifice plate all can be added in foaming system to control flow, but hitherto
The size of the orifice plate added is all fixing, it is impossible to arbitrarily changes, is required under normal circumstances through repeatedly
Checking just can determine that the final size of required orifice plate.If pipeline route via changes or valve increase and decrease
Deng variation, the flow in pipeline can be affected, and the orifice plate originally installed also needs to again verify, thus
Result in the increase of production and processing expense and the postponement of installation progress.
It is therefore proposed that a kind of orifice fitting changing latus rectum just seems the most necessary.
Summary of the invention
For solving problem above, the present invention proposes a kind of variable path formula orifice fitting, for foam fire-fighting
In the pipeline of system, including: the first flange, guide plate, the second flange and adjusting part, described first
It is provided with the first connection dish on flange, described first connection dish is provided with multiple connecting hole, described first
Being hinged with multiple baffle plate on connection dish, described baffle plate is evenly distributed on described first connection dish, Mei Gesuo
State the lead being both provided with being perpendicular to its surface on baffle plate；Described guide plate is fixed on described first and connects
On dish, ringwise, its surface configuration has pilot hole to described guide plate, and described lead passes described guiding
Hole；It is provided with the second connection dish on described second flange, described second connection dish is provided with multiple connection
Hole, described second connection dish is connected dish and is threaded connection part connection with described first；Described adjusting part
It is arranged on described first connection dish to be connected between dish with described second, described adjusting part is hinged with multiple
Connecting rod, the other end of each described connecting rod is by described lead and described baffle plate chain connection.
Variable path formula orifice fitting according to the present invention, the first flange and the second flange respectively with water pipe or
Person's foam dope pipe connects, and when needs regulating orifice plate size, rotates between the first flange and the second flange
Adjusting part, adjusting part will affect the multiple baffle plates on the first connection dish of the first flange by connecting rod
Swing, baffle plate swing during, baffle plate by the through hole inwardly stretching out the first flange, many
The through hole of the first flange is stretched out on one side of individual baffle plate simultaneously, can be spliced into of through hole less than the first flange
Individual approximately circular opening, by the amplitude of fluctuation of controllable register, can control what baffle plate stretched out to the first flange internal ring
The size of approximately circular opening described in amplitude, i.e. adjustable, just can change the latus rectum of orifice fitting with this.
It addition, the present invention provide above-described embodiment in variable path formula orifice fitting can also have as
Lower additional technical feature:
As preferably, described adjusting part is provided with multiple circumferentially extending elongated hole, described elongated hole with
Connecting hole one_to_one corresponding on described first connection dish and described second connection dish.
Variable path formula orifice fitting according to the present invention, the first connection dish of the first flange and the second flange
The second connection dish be threaded connection part connect, the condition group between the first connection dish and the second connection dish
Elongated hole on part just can make threaded connector pass, and does not the most affect the circuit oscillation on adjusting part.
When needing the latus rectum changing orifice fitting, it is only necessary to first unscrew connector, is then adjusted by change
The angle of baffle plate is adjusted by the angle of joint assembly, then screwing up threaded connector can complete to fill orifice plate
The change of the latus rectum put, it is not necessary to take the first flange and the second flange apart.
As preferably, the outer edge of described adjusting part is provided with the locating slot that a row is axial, described
Being hinged with locating clamp plate on the outer edge of the first connection dish, described locating clamp plate matches with described locating slot.
Variable path formula orifice fitting according to the present invention, after adjusting part turns to the position selected, can
By the locating slot that the locating clamp plate on the first connection dish of the first flange buckles on adjusting part is fixed
Relative position between adjusting part and the first flange, makes baffle plate pendulum angle on the first connection dish obtain
To fixing, thus obtain not shaken or the stable latus rectum of influence of hydraulic pressure, but also be conducive to the people that works
Member carries out reference to the adjustment of the latus rectum of orifice plate.
As preferably, described adjusting part includes: regulation ring and linkage ring, described elongated hole is arranged on institute
Stating on the end face of regulation ring, described locating slot is arranged on the outer ring surface of described regulation ring；Described connecting rod cuts with scissors
Being connected on described linkage ring, described linkage ring is connected with described regulation ring circumference.
Variable path formula orifice fitting according to the present invention, regulation ring is arranged on the first connection dish and second even
Between flange, the end face of regulation ring is provided with elongated hole, connects the first connection dish and the spiral shell of the second connection dish
Stricture of vagina connector is through the elongated hole on regulation ring, when the screw thread unclamped between the first connection dish and the second connection dish
After connector, regulation ring can carry out circuit oscillation in the length range of elongated hole.Regulation rod hinge connection is at connection
On rotating ring, linkage ring is connected with regulation ring circumference, and when regulating ring circuit oscillation, linkage ring is the most same
Step circuit oscillation, linkage ring traction link makes swung simultaneously, when swung, multiple baffle plate institutes
The latus rectum of the orifice plate surrounded changes the most therewith.
As preferably, described regulation ring and described linkage ring are integral type structure.
Variable path formula orifice fitting according to the present invention, regulation ring can be by casting or weldering with linkage ring
Connect and be processed into integral structure, it is possible to decrease the amount of parts of the orifice fitting of the present invention.
As preferably, described regulation ring and described linkage ring are split-type structural, and described regulation ring sets
Being equipped with and dial bar, described linkage ring is provided with draw-in groove, the end of described group of bar is stretched in described draw-in groove.
Variable path formula orifice fitting according to the present invention, regulation ring is split-type structural with linkage ring, adjusts
Joint ring is two separate parts with linkage ring, when assembling, first completes the hinge of connecting rod and linkage ring
Connect installation, then reassemble regulation ring, make the end dialling bar on regulation ring stretch on linkage ring and set in advance
In the draw-in groove put, when regulating ring circuit oscillation, dial bar and can drive linkage ring synchronous axial system.
As preferably, described linkage ring includes that flange and guide cylinder, described flange are arranged on described guiding
One end of cylinder, described rod hinge connection is on described flange, and described draw-in groove is arranged on the outside of described guide cylinder
On face.
Variable path formula orifice fitting according to the present invention, the flange on linkage ring is for articulated linkage, connection
Guide cylinder on rotating ring places the draw-in groove of group bar for arranging, and makes connecting rod non-interference with group bar.
As preferably, the edge of the internal ring of described second connection dish is provided with counterbore step, described guiding
The end of cylinder is stretched in described counterbore step.
Variable path formula orifice fitting according to the present invention, the end of the guide cylinder on linkage ring stretches into second
In counterbore step on connection dish, making linkage ring radially fixed, when swinging with regulation ring, linkage ring is only
Can swing and draw swung by connecting rod in original place, making the orifice fitting of the present invention to the adjustment of latus rectum more
Add accurately.
As preferably, described lead is fixedly connected on described baffle plate, described connecting rod and described guiding
Post chain connection.
Variable path formula orifice fitting according to the present invention, lead can be fixedly connected on baffle plate, even
One end of bar and lead chain connection, the other end and linkage ring chain connection.
As preferably, described lead is hingedly connected on described baffle plate, described connecting rod and described guiding
Post is fixing to be connected.
Variable path formula orifice fitting according to the present invention, lead i.e. can be led with baffle plate chain connection
Can rotate by opposing flaps to post, one end of connecting rod is fixing with lead to be connected, the other end and linkage ring hinge
Connect.
Accompanying drawing explanation
With specific embodiment, the present invention is described in further details below in conjunction with the accompanying drawings.
Fig. 1 is the complete section structural representation of a kind of embodiment of the variable path formula orifice fitting of the present invention；
Fig. 2 is the structural representation in cross section at the A in Fig. 1.
In above figure: 1 first flange；101 first connection dishes；102 locating clamp plates；2 baffle plates；3
Lead；4 guide plates；401 pilot holes；5 second flanges；501 second connection dishes；6 connecting rods；7
Regulation ring；701 elongated holes；702 locating slots；703 groups of bars；8 linkage rings；801 flange；802 lead
To cylinder.
Specific embodiment
With reference to Fig. 1 and Fig. 2, the present invention proposes a kind of variable path formula orifice fitting, for foam fire-fighting system
In the pipeline of system, including the first flange 1, guide plate the 4, second flange 5 and adjusting part, described the
It is provided with the first connection dish 101 on one flange 1, described first connection dish 101 is provided with multiple connecting hole,
Being hinged with multiple baffle plate 2 on described first connection dish 101, described baffle plate 2 is evenly distributed on described first even
On flange 101, each described baffle plate 2 is both provided with being perpendicular to the lead 3 on its surface；Described guiding
Plate 4 is fixed on described first connection dish 101, and described guide plate 4 ringwise, lead by its surface configuration
To hole 401, described lead 3 is through described pilot hole 401；It is provided with second on described second flange 5
Connection dish 501, described second connection dish 501 is provided with multiple connecting hole, described second connection dish 501
It is connected dish 101 with described first and is threaded connection part connection；Described adjusting part is arranged on described first
Connection dish 101 is connected between dish 501 with described second, and described adjusting part is hinged with multiple connecting rod 6,
The other end of each described connecting rod 6 is by described lead 3 and described baffle plate 2 chain connection.
In the embodiment above, the first flange 1 and the second flange 5 respectively with water pipe or foam dope pipe
Connect, when needs regulating orifice plate size, rotate the regulation group between the first flange 1 and the second flange 5
Part, adjusting part will affect the multiple baffle plates 2 on the first connection dish 101 of the first flange 1 by connecting rod 6
Swing, baffle plate 2 swing during, the through hole by inwardly stretching out the first flange 1 of baffle plate 2
In, the through hole simultaneously stretching out the first flange 1 of multiple baffle plates 2, can be spliced into less than the first flange 1
An approximately circular opening of through hole, by the amplitude of fluctuation of controllable register 2, baffle plate 2 can be controlled to first
The amplitude that flange 1 internal ring stretches out, the i.e. size of approximately circular opening described in adjustable, just can change orifice plate with this
The latus rectum of device.
It addition, the present invention provide above-described embodiment in variable path formula orifice fitting can also have as
Lower additional technical feature:
With reference to Fig. 2, according to one embodiment of present invention, described adjusting part is provided with multiple circumference and prolongs
The elongated hole 701 stretched, described elongated hole 701 is connected with described first on dish 101 and described second connection dish 501
Connecting hole one_to_one corresponding.
In the embodiment above, the first connection dish 101 of the first flange 1 and the second of the second flange 5 connect
Flange 501 is threaded connection part and connects, the bar between the first connection dish 101 and the second connection dish 501
Elongated hole 701 on part assembly just can make threaded connector pass, and does not the most affect on adjusting part
Circuit oscillation.When needing the latus rectum changing orifice fitting, it is only necessary to first unscrew connector, then
By the angle changing adjusting part, the angle of baffle plate 2 is adjusted, then screwing up threaded connector
Complete the change of the latus rectum to orifice fitting, it is not necessary to take the first flange 1 and the second flange 5 apart.
With reference to Fig. 2, according to one embodiment of present invention, the outer edge of described adjusting part is provided with one
Arrange axial locating slot 702, the outer edge of described first connection dish 101 be hinged with locating clamp plate 102,
Described locating clamp plate 102 matches with described locating slot 702.
In the embodiment above, after adjusting part turns to the position selected, can be by by the first flange 1
The first connection dish 101 on the locating slot 702 that buckles on adjusting part of locating clamp plate 102 fix tune
Relative position between joint assembly and the first flange 1, makes the baffle plate 2 swing on the first connection dish 101
Angle is fixed, thus obtains not shaken or the stable latus rectum of influence of hydraulic pressure, but also is conducive to
Staff carries out reference to the adjustment of the latus rectum of orifice plate.
With reference to Fig. 1 and Fig. 2, according to one embodiment of present invention, described adjusting part includes: regulation ring
7 and linkage ring 8, described elongated hole 701 is arranged on the end face of described regulation ring 7, described locating slot 702
It is arranged on the outer ring surface of described regulation ring 7；Described connecting rod 6 is hinged on described linkage ring 8, described
Linkage ring 8 is connected with described regulation ring 7 circumference.
In the embodiment above, regulation ring 7 be arranged on the first connection dish 101 be connected with second dish 501 it
Between, the end face of regulation ring 7 is provided with elongated hole 701, connects the first connection dish 101 and the second connection dish
The threaded connector of 501 is through the elongated hole 701 on regulation ring 7, when unclamping the first connection dish 101 and second
After threaded connector between connection dish 501, regulation ring 7 can be carried out in the length range of elongated hole 701
Circuit oscillation.Regulation connecting rod 6 is hinged on linkage ring 8, and linkage ring 8 is connected with regulation ring 7 circumference,
When regulating ring 7 circuit oscillation, linkage ring 8 synchronizes circuit oscillation the most therewith, and linkage ring 8 draws simultaneously
Connecting rod 6 makes baffle plate 2 swing, and when baffle plate 2 swings, the latus rectum of the orifice plate that multiple baffle plates 2 are surrounded is also
Change therewith.
According to one embodiment of present invention, described regulation ring 7 is integral type structure with described linkage ring 8.
In the embodiment above, regulation ring 7 can be integral by casting or welding processing with linkage ring 8
Formula structure, it is possible to decrease the amount of parts of the orifice fitting of the present invention.
With reference to Fig. 1 and Fig. 2, according to one embodiment of present invention, described regulation ring 7 and described linkage ring
8 is split-type structural, described regulation ring 7 is provided with and dials bar 703, described linkage ring 8 is provided with card
Groove, the end of described group of bar 703 is stretched in described draw-in groove.
In the embodiment above, regulation ring 7 is split-type structural with linkage ring 8, regulation ring 7 and linkage
Ring 8 is two separate parts, when assembling, first completes the hinged peace of connecting rod 6 and linkage ring 8
Dress, then reassembles regulation ring 7, makes the end dialling bar 703 on regulation ring 7 stretch on linkage ring 8 pre-
In the draw-in groove first arranged, when regulating ring 7 circuit oscillation, dial bar 703 and linkage ring 8 can be driven to synchronize to turn
Dynamic.
With reference to Fig. 2, according to one embodiment of present invention, described linkage ring 8 includes flange 801 and guides
Cylinder 802, described flange 801 is arranged on one end of described guide cylinder 802, and described connecting rod 6 is hinged on described
On flange 801, described draw-in groove is arranged on the lateral surface of described guide cylinder 802.
In the embodiment above, the flange 801 on linkage ring 8 is in articulated linkage 6, linkage ring 8
Guide cylinder 802 places the draw-in groove of group bar 703 for arranging, and makes connecting rod 6 non-interference with group bar 703.
According to one embodiment of present invention, the edge of the internal ring of described second connection dish 501 be provided with heavy
Hole step, the end of described guide cylinder 802 is stretched in described counterbore step.
In the embodiment above, the second connection dish 501 is stretched in the end of the guide cylinder 802 on linkage ring 8
On counterbore step in, make linkage ring 8 radially fixed, with regulation ring 7 swing time, link 8, ring
Energy original place swings and draws baffle plate 2 by connecting rod 6 and swings, and makes the orifice fitting tune to latus rectum of the present invention
Whole more accurate.
With reference to Fig. 1 and Fig. 2, according to one embodiment of present invention, described lead 3 is fixedly connected on institute
State on baffle plate 2, described connecting rod 6 and described lead 3 chain connection.
In the embodiment above, lead 3 can be fixedly connected on baffle plate 2, one end of connecting rod 6 with
Lead 3 chain connection, the other end and linkage ring 8 chain connection.
According to one embodiment of present invention, described lead 3 is hingedly connected on described baffle plate 2, institute
State that connecting rod 6 is fixing with described lead 3 to be connected.
In the embodiment above, lead 3 can be relative with baffle plate 2 chain connection, i.e. lead 3
Baffle plate 2 rotates, and one end of connecting rod 6 is fixing with lead 3 to be connected, and the other end is with linkage ring 8 hinge even
Connect.
Obviously, those skilled in the art can carry out various change and modification without deviating from this to the present invention
The spirit and scope of invention.So, if these amendments of the present invention and modification belong to right of the present invention and want
Ask and within the scope of equivalent technologies, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. a variable path formula orifice fitting, in the pipeline of froth fire extinguishing system, it is characterised in that
Including:
First flange (1), described first flange (1) is provided with the first connection dish (101), and described
It is provided with multiple connecting hole on one connection dish (101), described first connection dish (101) is hinged with many
Individual baffle plate (2), described baffle plate (2) is evenly distributed on described first connection dish (101), Mei Gesuo
State the lead (3) being both provided with being perpendicular to its surface on baffle plate (2)；
Guide plate (4), described guide plate (4) is fixed on described first connection dish (101), described
Ringwise, its surface configuration has pilot hole (401) to guide plate (4), and described lead (3) passes institute
State pilot hole (401)；
Second flange (5), described second flange (5) is provided with the second connection dish (501), and described
Multiple connecting hole, described second connection dish (501) and described first it is provided with on two connection dishes (501)
Connection dish (101) is threaded connection part and connects；
Adjusting part, described adjusting part is arranged on described first connection dish (101) and is connected with described second
Between dish (501), described adjusting part is hinged with multiple connecting rod (6), each described connecting rod (6)
The other end by described lead (3) and described baffle plate (2) chain connection.
Variable path formula orifice fitting the most according to claim 1, it is characterised in that described regulation
Being provided with multiple circumferentially extending elongated hole (701) on assembly, described elongated hole (701) is connected with described first
Connecting hole one_to_one corresponding on dish (101) and described second connection dish (501).
Variable path formula orifice fitting the most according to claim 2, it is characterised in that described regulation
The axial locating slot of a row (702) it is provided with on the outer edge of assembly, described first connection dish (101)
Locating clamp plate (102), described locating clamp plate (102) and described locating slot (702) it is hinged with on outer edge
Match.
Variable path formula orifice fitting the most according to claim 3, it is characterised in that described regulation
Assembly includes:
Regulation ring (7), described elongated hole (701) is arranged on the end face of described regulation ring (7), described
Locating slot (702) is arranged on the outer ring surface of described regulation ring (7)；
Linkage ring (8), described connecting rod (6) is hinged on described linkage ring (8), described linkage ring (8)
It is connected with described regulation ring (7) circumference.
Variable path formula orifice fitting the most according to claim 4, it is characterised in that described regulation
Ring (7) and described linkage ring (8) are integral type structure.
Variable path formula orifice fitting the most according to claim 4, it is characterised in that described regulation
Ring (7) and described linkage ring (8) are split-type structural, described regulation ring (7) is provided with and dials bar (703),
Being provided with draw-in groove on described linkage ring (8), the end of described group of bar (703) is stretched in described draw-in groove.
Variable path formula orifice fitting the most according to claim 6, it is characterised in that described linkage
Ring (8) includes flange (801) and guide cylinder (802), and described flange (801) is arranged on described guiding
One end of cylinder (802), described connecting rod (6) is hinged on described flange (801), and described draw-in groove is arranged
On the lateral surface of described guide cylinder (802).
Variable path formula orifice fitting the most according to claim 7, it is characterised in that described second
The edge of the internal ring of connection dish (501) is provided with counterbore step, and the end of described guide cylinder (802) is stretched
Enter in described counterbore step.
Variable path formula orifice fitting the most according to any one of claim 1 to 8, its feature exists
In, described lead (3) is fixedly connected on described baffle plate (2), and described connecting rod (6) is led with described
To post (3) chain connection.
Variable path formula orifice fitting the most according to any one of claim 1 to 8, its feature exists
In, described lead (3) is hingedly connected on described baffle plate (2), and described connecting rod (6) is led with described
To the fixing connection of post (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610414983.2A CN105920763B (en) | 2016-06-13 | 2016-06-13 | Variable-drift-diameter type orifice plate device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610414983.2A CN105920763B (en) | 2016-06-13 | 2016-06-13 | Variable-drift-diameter type orifice plate device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105920763A true CN105920763A (en) | 2016-09-07 |
| CN105920763B CN105920763B (en) | 2021-10-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610414983.2A Active CN105920763B (en) | 2016-06-13 | 2016-06-13 | Variable-drift-diameter type orifice plate device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105920763B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108816540A (en) * | 2018-06-25 | 2018-11-16 | 刘方圆 | A kind of pressure sensitive self-sealing spray head |
| CN109381825A (en) * | 2017-08-07 | 2019-02-26 | 南京消防器材股份有限公司 | Bottle group type fine water mist fire-extinguishing system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109381825A (en) * | 2017-08-07 | 2019-02-26 | 南京消防器材股份有限公司 | Bottle group type fine water mist fire-extinguishing system |
| CN108816540A (en) * | 2018-06-25 | 2018-11-16 | 刘方圆 | A kind of pressure sensitive self-sealing spray head |
| CN108816540B (en) * | 2018-06-25 | 2020-12-22 | 东阳市幻美电子商务有限公司 | Forced induction self sealss shower nozzle |
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| Publication number | Publication date |
|---|---|
| CN105920763B (en) | 2021-10-08 |
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