CN105020413A - Sealing baffle door - Google Patents
Sealing baffle door Download PDFInfo
- Publication number
- CN105020413A CN105020413A CN201510348543.7A CN201510348543A CN105020413A CN 105020413 A CN105020413 A CN 105020413A CN 201510348543 A CN201510348543 A CN 201510348543A CN 105020413 A CN105020413 A CN 105020413A
- Authority
- CN
- China
- Prior art keywords
- door
- plate
- rubber pipe
- doorframe
- rubber hoses
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/226—Shaping or arrangements of the sealing
- F16K1/2261—Shaping or arrangements of the sealing the sealing being arranged on the valve member
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
Provided is a sealing baffle door. The sealing baffle door is used for blocking pipe gas and comprises a door frame and multiple rectangular door sheets (1) arranged inside the door frame. The door sheets (1) are provided with multiple connecting seats (4). The connecting seats (4) are fixedly connected with rotary shafts (3). The multiple door sheets are rotated along with the rotary shafts together to form a board. The sealing baffle door is characterized in that four corners of each door sheet are in circular arc transition. The edge of each door sheet is surrounded by a U-shaped groove body (2). A rubber hose (15) which is of a tire structure is arranged in each groove body in a tightening manner. The rubber hoses are provided with gas nozzles (13). After inflating is carried out on the rubber hoses, one sides of the rubber hoses are exposed out of concave parts of the groove bodies, and the rubber hoses on the door sheets are attached to a sealing strip, an angle plate and the inner side of the door frame. When the baffle door is located at the closed position, high-pressure air is inflated into the rubber hoses to enable the rubber hoses to expand, reliable sealing can be achieved on the sealing baffle door, and consumed air sources are fewer. When the baffle door is rotated, the rubber hoses are deflated to shrink, and the rubber hoses are free of abrasion.
Description
Technical field
The present invention relates to a kind of baffle door for stopping air in pipeline, it comprises doorframe and is arranged on the many groups door-plate in doorframe, rotates door-plate and ducted gas can be made to be cut off or to pass through.
Background technique
For stopping that the ducted baffle door of boiler chimney bleed generally comprises doorframe and is arranged on the many groups door-plate in doorframe, door-plate being provided with rotating shaft, door-plate during axis of rotation, can be made to close or open.Require when door-plate cuts out to be leaked from baffle door by the gas stopped, door-plate is designed to bilayer for this reason, when door-plate cuts out, many groups door-plate forms a plate face, the edge of door-plate is pressed close to mutually with doorframe, by to cavity input high-pressure air (its pressure is greater than the pressure of air in pipeline) between door-plate bilayer, to stop that air in pipeline leaks from baffle door.This just requires that the gap in the mill between adjacent door-plate is little as much as possible, and the gap in addition between door-plate and doorframe is also little as much as possible, and its manufacture difficulty is large; Door-plate can form friction when rotating and between doorframe simultaneously, and the gap between it is increased, and this will make high-pressure air flow away from gap in large quantities, and make the consumption of source of the gas large, build-up of pressure declines affects the sealability of doorframe.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of sealing baffle door, and this baffle door can seal reliably and the high-pressure air consumed is few, has good energy-saving effect.
Described sealing baffle door, comprise doorframe and the door-plate 1 being arranged on the many groups rectangle in doorframe, door-plate is provided with multiple connecting base 4, connecting base is fixedly connected with rotating shaft 3, many groups door-plate rotates simultaneously with rotating shaft can form a plate face, it is characterized in that, described door-plate corner is arc transition, the cell body 2 of U-shaped is wound with in the edge ring of door-plate, stretch tight in cell body and be provided with the rubber pipe 15 of tire construction, rubber pipe is provided with air nozzle 13, Stamping Steel Ribbon 11 is provided with between adjacent door-plate, the two ends of Stamping Steel Ribbon are fixed on the inner side of doorframe, Stamping Steel Ribbon and the angle of doorframe are that this circular arc of arc transition matches with the circular arc on door-plate, gusset 12 is provided with in the corner of doorframe, gusset is provided with this circular arc of circular arc and also matches with the circular arc on door-plate, after inflating rubber pipe, the side of rubber pipe is exposed from the recess of cell body, make the rubber pipe on door-plate and Stamping Steel Ribbon, the inner side of gusset and doorframe is affixed.
The feature of sealing baffle door is, filling rubber pipe when baffle door is positioned at closed position makes rubber pipe expand with high-pressure air, on door-plate, the inner side of rubber pipe and Stamping Steel Ribbon, gusset and doorframe is affixed, because the pressure in rubber pipe is greater than the pressure of air in pipeline, baffle door can be realized and seal reliably; Rubber pipe inflation reach a certain amount of after no longer consume high-pressure air.Exit to rubber pipe when door-plate rotates, rubber pipe shrinks, and without rub between inside rubber pipe and Stamping Steel Ribbon, gusset and doorframe, rubber pipe can keep the sealability of baffle door without wearing and tearing.Compared with prior art, sealing baffle door can realize reliably sealing and the source of the gas consumed is few.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention, and in figure, door-plate is positioned at closed position.
Fig. 2 is that the A-A of Fig. 1 is to sectional view.
Fig. 3 is that the B-B of Fig. 1 is to sectional view.
Fig. 4 is the C portion enlarged view of Fig. 3.
Fig. 5 is the D portion enlarged view of Fig. 2.
Accompanying drawing mark represents respectively: edge, the upper edge of 82-, 9-linkage rod under portion, 81-on the right of 1-door-plate, 10-cylinder, 11-Stamping Steel Ribbon, 12-hornblock, 13-air nozzle, 14-inlet hole, 15-rubber pipe, 16-nut, 17-pipe joint, 18-air entraining pipe, 2-cell body, 3-rotating shaft, 4-connecting base, 5-axle bed, 6-suction tude, 71-left lateral, 72-.
Embodiment
Existing accompanying drawings the specific embodiment of the present invention.
Sealing baffle door, it comprises doorframe and is arranged on the door-plate 1 of the many groups rectangle in doorframe, doorframe is made up of left lateral 71, the right portion 72, upper edge 82, lower edge 81, door-plate is provided with multiple connecting base 4, connecting base is fixedly connected with rotating shaft 3, on the left side portion and the right portion are respectively equipped with the axle bed 5 of supporting shaft, one end of rotating shaft is provided with linkage rod 9, linkage rod is connected with the piston rod of cylinder 10, air cylinder driven linkage rod can make door-plate synchronous axial system, and many group door-plates can form a plate face with axis of rotation; The surrounding of door-plate is provided with cell body 2, and the cross section of cell body is U-shaped, the rubber pipe 15 of the tire construction that stretches tight in cell body, and rubber pipe is provided with air nozzle 13; Stamping Steel Ribbon 11 is provided with between adjacent door-plate, the two ends of Stamping Steel Ribbon are fixed on the inner side of doorframe, Stamping Steel Ribbon and the angle of doorframe are that this circular arc of arc transition matches with the circular arc on door-plate, be provided with gusset 12 in the corner of doorframe, gusset is provided with this circular arc of circular arc and also matches with the circular arc on door-plate; When many group door-plates form a plate face with axis of rotation, the inner side of rubber pipe and Stamping Steel Ribbon, gusset and doorframe on door-plate can be made to be affixed rubber pipe inflation.
Described Stamping Steel Ribbon can be symmetrically welded four blocks of gussets 12 and be formed at the two ends of a strip shape body.
Described rubber pipe is made up of ethylene propylene diene rubber or silicone rubber, and they have resistance to high temperature and good spreading performance.
Arrange the cell body that can hold rubber pipe in the surrounding of door-plate, can reduce the invalid expansion area of rubber pipe and protect rubber pipe, the wall thickness of cell body is 3-6 times of rubber pipe wall thickness; When rubber pipe expands, the expansion that the inwall of cell body can restrict rubber pipe reduces stress suffered by rubber pipe and makes the expansion direction of rubber pipe only towards the opening of cell body.Can be welded on the edge of door-plate as a kind of diapire improving cell body, the wall thickness of door-plate can be reduced like this.
Air nozzle seals bonding with rubber pipe, air nozzle passes from the sidewall of described cell body, air nozzle is fixed on cell body by nut 16, one end of air entraining pipe 18 is connected with air nozzle by pipe joint 17, the other end of air entraining pipe is connected with the inlet hole 14 in rotating shaft right part, inlet hole is connected with outside switching valve (not drawing in accompanying drawing), and switching valve can switch between three kinds of states: 1, be connected with high-pressure air source by inlet hole, inflates rubber pipe; 2, close inlet hole, keep the pressure in rubber pipe; 3, inlet hole is communicated with air, rubber pipe is exitted.
Because the tensile breaking strength of rubber pipe is much larger than the pressure of pipeline gas, therefore the inflation pressure of rubber pipe can be determined like this, carrying out inflation to rubber pipe makes rubber pipe expand, and is the inflation pressure of rubber pipe when rubber pipe fully contacts with the inner side of Stamping Steel Ribbon, gusset and doorframe.
During application, the doorframe of sealing baffle door is connected with pipeline, rotating shaft can make baffle door close or open, when baffle door is positioned at closed position, door-plate forms a plate face, namely at grade, control switching valve and inflate rubber pipe, the air quantity of filling should make the rubber pipe on door-plate fully contact with between Stamping Steel Ribbon, doorframe to many group door-plates, then control the interior pressure that inlet hole maintenance rubber pipe closed by switching valve, realize the sealing of baffle door; Control switching valve when door-plate rotates to exit to rubber pipe, rubber pipe is shunk, and when baffle door is positioned at open position, the plate face of many groups door-plate is parallel to each other.
Claims (2)
1. a sealing baffle door, comprise doorframe and the door-plate (1) being arranged on the many groups rectangle in doorframe, door-plate is provided with multiple connecting base (4), connecting base is fixedly connected with rotating shaft (3), many groups door-plate rotates simultaneously with rotating shaft can form a plate face, it is characterized in that, described door-plate corner is arc transition, the cell body (2) of U-shaped is wound with in the edge ring of door-plate, stretch tight in cell body the rubber pipe (15) being provided with tire construction, rubber pipe is provided with air nozzle (13), Stamping Steel Ribbon (11) is provided with between adjacent door-plate, the two ends of Stamping Steel Ribbon are fixed on the inner side of doorframe, Stamping Steel Ribbon and the angle of doorframe are that this circular arc of arc transition matches with the circular arc on door-plate, gusset (12) is provided with in the corner of doorframe, gusset is provided with this circular arc of circular arc and also matches with the circular arc on door-plate, after inflating rubber pipe, the side of rubber pipe is exposed from the recess of cell body, make the rubber pipe on door-plate and Stamping Steel Ribbon, the inner side of gusset and doorframe is affixed.
2. sealing baffle door according to claim 1, is characterized in that, the wall thickness of described cell body (2) is 3-6 times of rubber pipe (15) wall thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510348543.7A CN105020413A (en) | 2015-06-24 | 2015-06-24 | Sealing baffle door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510348543.7A CN105020413A (en) | 2015-06-24 | 2015-06-24 | Sealing baffle door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105020413A true CN105020413A (en) | 2015-11-04 |
Family
ID=54410602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510348543.7A Pending CN105020413A (en) | 2015-06-24 | 2015-06-24 | Sealing baffle door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105020413A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105674530A (en) * | 2016-03-11 | 2016-06-15 | 江苏华东正大空调设备有限公司 | Shield door top beam electric air valve |
| CN106641291A (en) * | 2017-01-03 | 2017-05-10 | 南通艾迈特机械有限公司 | Air door baffle sealing structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004039080A1 (en) * | 2004-08-12 | 2006-03-09 | Roto Frank Ag | Sealing arrangement for window or door, has seal arranged in movable sealing unit, and another seal arranged in sealing unit is provided in gap between flank and apron, where movable sealing unit seals air passage |
| CN1948692A (en) * | 2005-10-11 | 2007-04-18 | 佐默尔金属钢铁制造两合股份有限公司 | Door or gate |
| CN201526980U (en) * | 2009-11-19 | 2010-07-14 | 北京国电清新设备有限公司 | Flue gas damper and sealing device thereof |
| CN102268952A (en) * | 2011-06-20 | 2011-12-07 | 江苏河谷矿业科技发展有限公司 | Coal mine down-hole air sac type airtight cabin door |
| CN102635300A (en) * | 2012-04-19 | 2012-08-15 | 浙江天蓝环保技术股份有限公司 | Shutter baffle door provided with sealing device |
-
2015
- 2015-06-24 CN CN201510348543.7A patent/CN105020413A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004039080A1 (en) * | 2004-08-12 | 2006-03-09 | Roto Frank Ag | Sealing arrangement for window or door, has seal arranged in movable sealing unit, and another seal arranged in sealing unit is provided in gap between flank and apron, where movable sealing unit seals air passage |
| CN1948692A (en) * | 2005-10-11 | 2007-04-18 | 佐默尔金属钢铁制造两合股份有限公司 | Door or gate |
| CN201526980U (en) * | 2009-11-19 | 2010-07-14 | 北京国电清新设备有限公司 | Flue gas damper and sealing device thereof |
| CN102268952A (en) * | 2011-06-20 | 2011-12-07 | 江苏河谷矿业科技发展有限公司 | Coal mine down-hole air sac type airtight cabin door |
| CN102635300A (en) * | 2012-04-19 | 2012-08-15 | 浙江天蓝环保技术股份有限公司 | Shutter baffle door provided with sealing device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105674530A (en) * | 2016-03-11 | 2016-06-15 | 江苏华东正大空调设备有限公司 | Shield door top beam electric air valve |
| CN105674530B (en) * | 2016-03-11 | 2018-08-28 | 江苏华东正大空调设备有限公司 | A kind of shield door top beam Electric air valve |
| CN106641291A (en) * | 2017-01-03 | 2017-05-10 | 南通艾迈特机械有限公司 | Air door baffle sealing structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151104 |
|
| WD01 | Invention patent application deemed withdrawn after publication |