CN201176697Y - Voltage transformation type exhaust assembly with mounting position convenient for changing - Google Patents
Voltage transformation type exhaust assembly with mounting position convenient for changing Download PDFInfo
- Publication number
- CN201176697Y CN201176697Y CNU2008200819516U CN200820081951U CN201176697Y CN 201176697 Y CN201176697 Y CN 201176697Y CN U2008200819516 U CNU2008200819516 U CN U2008200819516U CN 200820081951 U CN200820081951 U CN 200820081951U CN 201176697 Y CN201176697 Y CN 201176697Y
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- Prior art keywords
- air inlet
- valve
- venturi tube
- exhaust assembly
- inlet port
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- Expired - Fee Related
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Abstract
The utility model relates to a household exhaust structure, in particular to a variable pressure type exhaust assembly, the mounting position of which is conveniently changed. In the utility model, a venturi tube is combined with an air inlet connected with an air outlet of an indoor exhaust device into one body; the venturi tube is trumpet-shaped, a big mouth on the lower end is the main air inlet channel, a small mouth on the upper end is the main air outlet channel, the side of the small mouth, which faces the room, is provided with a gap; a panel in which the air inlet is inserted is tightly fixed on the outer part of a surface plate, the panel is in fixed connection or clipping connection with a window frame by which the exhaust assembly is inserted in an exhaust pipe window. In the utility model, the venturi tube is combined with the air inlet connected with the air outlet of the indoor exhaust device into one body to form the assembly with a drawer type structure, when the mounting position of the assembly in the exhaust pipe needs to be changed, the assembly only needs to be pulled out and inserted in another exhaust pipe window, so that the mounting by residents is convenient.
Description
Technical field
The utility model relates to the dwelling house exhaust structure, especially a kind of prevent floor gap up and down by exhaust duct collaborate mutually, the pressure swing type exhaust structure of smoke blowing.
Background technology
Kitchen, the washroom of present all kinds of floor houses all have shared main exhaust pipeline, each layer resident family enters indoor cigarette, gas trunk line, concentrates from the exit on roof and discharge by the air inlet port on the trunk line, but when ambient pressure changed, floor gap will be collaborated mutually by shared main exhaust pipeline, smoke blowing.The measure that prior art addresses this problem is to be positioned at the opposite inwall of each air inlet port position or both sides inwall at main exhaust pipeline 5 cambered plate 6 is installed is relatively constituted Venturis, as shown in Figure 1, when lower floor's cigarette, air-flow process cambered plate, near port above the leeward side of cambered plate air pressure is relatively low, can not pour in down a chimney the suction-operated of each air inlet port air-flow thereby produce.The defective that this structure exists is that cambered plate is fixed in extract duct, the air inlet port position is fixed, and the air outlet position of range hood needs flexible transformation sometimes, even the air outlet of some range hood device is positioned at the below of gas-cooker now, can't with the Venturi coupling that is fixed in the extract duct.
The utility model content
The purpose of this utility model is to overcome the deficiency of technique scheme, and a kind of rational in infrastructure, pressure swing type exhaust assembly that the installation site can make things convenient for conversion is provided.
The technical scheme that the utility model adopted is: a kind of installation site can make things convenient for the pressure swing type exhaust assembly of conversion, it is characterized in that Venturi tube makes an integral body with the air inlet port that is used for being connected with the air outlet of indoor exhaust device.
Described Venturi tube is horn-like, the lower end is main inlet channel for big mouthful, and the upper end osculum is main outlet passageway, and a side of osculum end has bigger breach, the venturi tube wall of breach below constitutes deflector, and it is circular oval or fan-shaped that the cross section of Venturi tube can be rectangle.
The axis perpendicular of described air inlet port and Venturi tube, air inlet port is located at surface plate middle part, this surface plate two side direction Venturi tubes extension is also made one, be indoor exhaust passage or be referred to as secondary exhaust passage between the deflector of the breach bottom of Venturi tube and the surface plate inboard, the gap portions of Venturi tube unites two into one main outlet passageway and secondary exhaust passage and constitutes the gas outlet of exhaust assembly.
Described surface plate installs the panel that air inlet port is inserted in outward, panel and the window frame screw or the clamping that are installed in the extract duct window that stretches into for this exhaust assembly, or directly surface plate is made the area that conforms to panel.
Described air inlet port is connected with the one way valve tail end, and the one way valve front end is connected with the air outlet of indoor exhaust device, the setting that slopes inwardly of valve that this one way valve cooperates with valve seat upper end, and be connected with the valve body hinge.
Described valve is iron disc, and the valve seat place of valve body is provided with a magnet.
The inner roof wall of described air inlet port is provided with round bar, is with the fire-protection valve by torsion spring control on the round bar, and fire-protection valve is connected by fusible link with the inner roof wall of air inlet port fits both, and torsion spring is in pre-application of force state.
Owing to take technique scheme, Venturi tube and the air inlet port that is used for being connected with the air outlet of indoor exhaust device are made one constitute assembly, form drawer-type structure, when needs change the installation site of assembly at extract duct, only needing that the assembly extraction is inserted into other extract duct window gets final product, make things convenient for resident family to install, but also can avoid original technology to need the difficulty that the two side is installed two cambered plates formation Venturi relatively in the concrete extract duct of each layer height, help improving efficiency of construction.In addition, have only a magnet at the valve seat place of valve body, suction reduces, and the phenomenon of having avoided original magnetic rings to cause valve to blow not open because of suction is excessive takes place; Original fire-protection valve is installed in the extract duct, in case fusible link blow, the difficulty that changes the outfit, the utility model fire-protection valve is arranged on outside the extract duct, the fusible link that changes the outfit is also very convenient.
Description of drawings
Fig. 1 is that original technology Venturi is installed in the structural representation in the exhaust duct;
Fig. 2 is the embodiment shape figure of the utility model pressure swing type exhaust assembly;
Fig. 3 is the vertical view of Fig. 2;
Fig. 4 is the A-A sectional view of Fig. 3;
Fig. 5 is the B-B sectional view of Fig. 3;
Fig. 6 is the mounting structure schematic diagram of the utility model pressure swing type exhaust assembly and exhaust duct;
Fig. 7 is one way valve, fire resisting damper and exhaust assembly mounting structure schematic diagram;
Fig. 8 is the right view of one way valve among Fig. 7;
Fig. 9 is the C-C sectional view of Fig. 8;
Figure 10 is another embodiment shape figure of the utility model pressure swing type exhaust assembly.
The specific embodiment
Describe concrete structure of the present utility model in detail below in conjunction with drawings and the specific embodiments:
Referring to Fig. 2-Fig. 5, showed an embodiment shape of pressure swing type exhaust assembly among the figure.It is horn-like that Venturi tube is, the cross section of present embodiment is a rectangle, can certainly adopt other shapes as: oval, circular, fan-shaped etc., Figure 10 has represented that cross section is another circular embodiment.The Venturi tube lower end is big mouthful to be the main inlet channel 24 for below floor exhaust, and the upper end osculum is main outlet passageway 21, has a bigger breach in the side towards indoor of osculum end, and the venturi tube wall of breach below constitutes deflector 25.Said structure and Venturi tube and the air inlet port 1 injection moulding global formation that is used for being connected with the air outlet of indoor exhaust device.The axis perpendicular of air inlet port 1 and Venturi tube, air inlet port 1 is located at a surface plate 3 middle parts, and these surface plate both sides extend back and are made into integration the tube wall that constitutes Venturi tube.Form the indoor exhaust passage between the deflector 25 of the breach bottom of above-mentioned Venturi tube and surface plate 3 inboards or be referred to as secondary exhaust passage 22, the gap portions of Venturi tube unites two into one main outlet passageway 21 and secondary exhaust passage 22 and constitutes the gas outlet 2 of exhaust assembly.After cigarette, the gas of below floor enter into Venturi tube from main inlet channel 24, flow velocity is accelerated, by venturi transformation effect, at the air pressure step-down of the indentation, there of Venturi tube, cigarette, the aspiration of This floor drawn in the gas outlet 2 mixes and discharge, and can cigarette not take place, gas pours in down a chimney.
The mounting structure of exhaust assembly and exhaust duct as shown in Figure 6, open a window 51 at the desired location of exhaust duct 5, and set up window frame 52, outside surface plate 3, install the panel 7 that air inlet port 1 is inserted in, the area of panel 7 is slightly larger than surface plate 3, and this exhaust assembly is extend in the extract duct window 51, panel 7 and window frame 52 is screwed promptly to install again, if without screw, also window frame 52 and panel 7 can be made dop, the clamping of draw-in groove fit structure.Also directly one is made surface plate 3 area that conforms to panel 7 and is omitted panel 7.
Referring to Fig. 7-Fig. 9, for cigarette, the gas of floor below preventing when the indoor exhaust device of This floor does not start pours in down a chimney, one one way valve only export but no import need be set, one way valve 8 tail ends are connected with the air inlet port 1 of exhaust assembly, one way valve 8 front end pipes 84 are connected with the air-out pipe of indoor exhaust device, valve 83 upper ends that this one way valve cooperates with the valve seat setting that slopes inwardly, and be rotatably connected with the hinge 85 of valve body 81, like this, when the indoor exhaust device did not start, valve 83 can be voluntarily under the effect of self gravitation closes up and closes to valve seat.For guaranteeing good seal, valve 83 is iron disc, and the valve seat place of valve body 81 is provided with a magnet 82 with both adhesives, and the magnetic force of this magnet can not be excessive, can not blow valve 83 open with the wind-force that prevents exhaust plant.
In the naked light inlet chamber that prevents under unexpected situation to produce in the extract duct 5, or indoor naked light enters extract duct 5 and brings disaster to other floors, also fire resisting damper need be set.Present embodiment is made individual components with fire resisting damper, has tubular valve body 95, the valve body inner roof wall is provided with round bar 92, be with fire-protection valve 9 on the round bar by torsion spring 93 controls, fire-protection valve 9 is connected by fusible link 91 with the inner roof wall of valve body 95 fits both, torsion spring 93 is in pre-application of force state, and the two ends of valve body 95 interlock with air inlet port 1 and one way valve 8 tail ends respectively.Also can be installed with round bar 92 at the inner roof wall of air inlet port 1, be with the fire-protection valve 9 by torsion spring 93 control on the round bar, torsion spring 93 is in pre-application of force state, and the inner roof wall of fire-protection valve 9 and air inlet port 1 is connected by fusible link 91 to be fitted both and keep passage unimpeded.
If naked light occurs in the extract duct 5, fusible link 91 is blown, fire-protection valve 9 under torsion spring 93 effects with pathway closure.Valve body 95 inner bottom surfaces are provided with block or blend stop 94, the location when being used for valve 9 and closing.Because fusible link 91 is positioned at the indoor location of the air inlet port 1 outside the extract duct 5, it is more convenient to change fusible link 91.
Claims (8)
1, a kind of installation site can make things convenient for the pressure swing type exhaust assembly of conversion, it is characterized in that Venturi tube makes an integral body with the air inlet port that is used for being connected with the air outlet of indoor exhaust device.
2, can make things convenient for the pressure swing type exhaust assembly of conversion according to the described installation site of claim 1, it is characterized in that Venturi tube is horn-like, the lower end is main inlet channel (24) for big mouthful, the upper end osculum is main outlet passageway (21), the osculum end has breach towards an indoor side, the venturi tube wall of breach below constitutes deflector (25), and it is circular oval or fan-shaped that the cross section of Venturi tube can be rectangle.
3, can make things convenient for the pressure swing type exhaust assembly of conversion according to claim 1 or 2 described installation sites, the axis perpendicular that it is characterized in that air inlet port (1) and Venturi tube, air inlet port is located at a surface plate (3) middle part, the tube wall of one formation Venturi tube is extended and made to these surface plate two side direction Venturi tubes, be indoor exhaust passage or be referred to as secondary exhaust passage (22) between the deflector (25) of the breach bottom of Venturi tube and surface plate (3) inboard, the gap portions of Venturi tube is with the unite two into one gas outlet (2) of formation exhaust assembly of main outlet passageway (21) and secondary exhaust passage (22).
4, can make things convenient for the pressure swing type exhaust assembly of conversion according to the described installation site of claim 3, it is characterized in that the outer panel (7) that air inlet port (1) is inserted in that installs of surface plate (3), panel (7) and window frame (52) screw or the clamping that are installed in extract duct (5) window that stretches into for this exhaust assembly, or directly surface plate (3) is made the area that conforms to panel (7).
5, can make things convenient for the pressure swing type exhaust assembly of conversion according to claim 1 or 2 described installation sites, it is characterized in that air inlet port (1) is connected with one way valve (8) tail end, one way valve (8) front end is connected with the air outlet of indoor exhaust device, the setting that slopes inwardly of the valve that cooperates with valve seat (83) of this one way valve upper end, and be connected with valve body (81) hinge.
6, can make things convenient for the pressure swing type exhaust assembly of conversion according to the described installation site of claim 5, it is characterized in that valve (83) is iron disc, the valve seat place of valve body (81) is provided with a magnet (82).
7, can make things convenient for the pressure swing type exhaust assembly of conversion according to the described installation site of claim 1, the inner roof wall that it is characterized in that air inlet port (1) is provided with round bar (92), be with fire-protection valve (9) on the round bar by torsion spring (93) control, fire-protection valve (9) is connected by fusible link (91) with the inner roof wall of air inlet port (1) fits both, and torsion spring (93) is in pre-application of force state.
8, can make things convenient for the pressure swing type exhaust assembly of conversion according to the described installation site of claim 7, it is characterized in that fire resisting damper makes individual components, has tubular valve body (95), the valve body inner roof wall is provided with round bar (92), be with fire-protection valve (9) on the round bar by torsion spring (93) control, fire-protection valve (9) is connected by fusible link (91) with the inner roof wall of valve body (95) fits both, torsion spring (93) is in pre-application of force state, and the two ends of valve body (95) interlock with air inlet port (1) and one way valve (8) tail end respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200819516U CN201176697Y (en) | 2008-01-08 | 2008-01-08 | Voltage transformation type exhaust assembly with mounting position convenient for changing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200819516U CN201176697Y (en) | 2008-01-08 | 2008-01-08 | Voltage transformation type exhaust assembly with mounting position convenient for changing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201176697Y true CN201176697Y (en) | 2009-01-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200819516U Expired - Fee Related CN201176697Y (en) | 2008-01-08 | 2008-01-08 | Voltage transformation type exhaust assembly with mounting position convenient for changing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201176697Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102162297A (en) * | 2011-03-15 | 2011-08-24 | 曹正祥 | Adjustable fireproof exhaust passage device |
| CN102383581A (en) * | 2010-08-31 | 2012-03-21 | 张琦 | Exhaust pipe structure |
| CN102383579A (en) * | 2010-08-31 | 2012-03-21 | 张琦 | Exhaust pipe structure |
| CN102383580A (en) * | 2010-08-31 | 2012-03-21 | 张琦 | Exhaust pipe structure |
| CN105546348A (en) * | 2015-12-09 | 2016-05-04 | 无锡拓能自动化科技有限公司 | Efficient mixed gas filling pipeline applied to gas filling station |
| CN105546349A (en) * | 2015-12-09 | 2016-05-04 | 无锡拓能自动化科技有限公司 | Gas filling pipe applied to gas filling station |
| CN108590108A (en) * | 2018-03-27 | 2018-09-28 | 重庆大学 | Natural draught system device under Venturi effect invigoration effect |
| CN108757574A (en) * | 2018-06-04 | 2018-11-06 | 广东美的厨房电器制造有限公司 | Air-out component and range hood |
-
2008
- 2008-01-08 CN CNU2008200819516U patent/CN201176697Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102383581A (en) * | 2010-08-31 | 2012-03-21 | 张琦 | Exhaust pipe structure |
| CN102383579A (en) * | 2010-08-31 | 2012-03-21 | 张琦 | Exhaust pipe structure |
| CN102383580A (en) * | 2010-08-31 | 2012-03-21 | 张琦 | Exhaust pipe structure |
| CN102383579B (en) * | 2010-08-31 | 2014-05-21 | 张琦 | Exhaust pipe structure |
| CN102162297A (en) * | 2011-03-15 | 2011-08-24 | 曹正祥 | Adjustable fireproof exhaust passage device |
| CN105546348A (en) * | 2015-12-09 | 2016-05-04 | 无锡拓能自动化科技有限公司 | Efficient mixed gas filling pipeline applied to gas filling station |
| CN105546349A (en) * | 2015-12-09 | 2016-05-04 | 无锡拓能自动化科技有限公司 | Gas filling pipe applied to gas filling station |
| CN108590108A (en) * | 2018-03-27 | 2018-09-28 | 重庆大学 | Natural draught system device under Venturi effect invigoration effect |
| CN108757574A (en) * | 2018-06-04 | 2018-11-06 | 广东美的厨房电器制造有限公司 | Air-out component and range hood |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090107 Termination date: 20120108 |