CN2396308Y - Fume exhauster - Google Patents
Fume exhauster Download PDFInfo
- Publication number
- CN2396308Y CN2396308Y CN 99250413 CN99250413U CN2396308Y CN 2396308 Y CN2396308 Y CN 2396308Y CN 99250413 CN99250413 CN 99250413 CN 99250413 U CN99250413 U CN 99250413U CN 2396308 Y CN2396308 Y CN 2396308Y
- Authority
- CN
- China
- Prior art keywords
- fume
- cover body
- induced
- sides
- exhaust opening
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a fume exhauster in a kitchen, comprising a hood body with a fume exhaust port and two fume sucking ports and fan blades which are arranged on both sides of the fume exhaust port and are driven by a motor. An inner fume exhaust channel on the hood body is in a sloping shape. The fan blades are arranged in the inner fume exhaust channel, and are corresponding to the fume sucking ports. The shaft line of the fan blades is vertical to the inner fume exhaust channel. Both side faces of the hood body are provided with folding fume collecting hoods. The utility model enables hot fume flow in a streamline shape to naturally flow to the fume exhaust port and be exhausted, which is not interfered by flow resistance and can improve the fume collecting effect of the fume exhauster.
Description
The utility model relates to employed induced-draft fan in the chamber, a kind of kitchen.
At present, the induced-draft fan of being sold on the market mainly contains horizontal and vertical two kinds of installation forms.Described horizontal and vertically be meant that the fan blade on the induced-draft fan is parallel and perpendicular to ground respectively, these two kinds of installations all exist weak point.A kind of is the horizontal induced-draft fan, the cover body of this kind induced-draft fan all is to be parallel to ground, the center of cover body top board has exhaust opening, install by the fan driven by motor blade both sides of exhaust opening, when hot flue gas is flushed to the baseplane of cover body, the fan blade of both sides is drawn into the interior smokejack of cover body with it, discharges outdoor through the cover body exhaust opening again.Because the outlet of exhaust smoke hole and two fan blade is rectangular, so vapour lock is bigger, thereby causes smoke discharging effect not good, has increased electrical consumption power indirectly.Another kind is vertical induced-draft fan, this kind induced-draft fan mainly is in order to solve the not smooth problem of exhaust opening, but because suction inlet is perpendicular to the direction that hot flue gas rises, therefore, brought another weak point, negative pressuren zone below being lower than suction inlet is higher from the position of gas stove, and is just weak with respect to the suction of horizontal induced-draft fan.For this reason, vertical induced-draft fan has to strengthen petticoat pipe, causes the overall dimensions of induced-draft fan huger, is difficult to install vertical induced-draft fan for less chamber, kitchen.In addition, fan electromotor on the vertical induced-draft fan is installed towards the wall level, certainly will cause suction inlet can not be comprised by negative pressure when this section of metope position flue gas flows from bottom to top to motor, naturally flow slowly by flue gas and to flow to suction inlet after being folded to, the hot flue gas that this position held is obstructed, be difficult in time to be discharged by induced-draft fan outdoor, so the ideal effect that does not reach induced-draft fan and played.
The purpose of this utility model provide a kind of simple in structure, a kind of induced-draft fan little, that hot flue gas can be flowed smooth and easy importing exhaust opening takes up room.
The utility model is achieved in that a kind of induced-draft fan, it comprises a cover body that has exhaust opening and two smoking ports, and be installed in the exhaust opening both sides by the fan driven by motor blade, it is characterized in that: the interior smokejack of cover body is skewed, described fan blade is installed in the both sides of exhaust opening in the smokejack, and corresponding with smoking port, the axis of this fan blade is vertical with interior smokejack, and parallels with the installation metope.The both sides of cover body are provided with the collapsible petticoat pipe that holds together, this holds together petticoat pipe and comprises expansion board and gear, described expansion board and gear be being installed in the rotating shaft of idle running not, the two supports of this rotating shaft is on the forward and backward cover plate of cover body, described gear is meshed with tooth bar on being installed in the cover body carriage, one end of the end of this tooth bar and connecting rod is hinged, and the other end of connecting rod is hinged with the shifting fork bar that is fixed on the knob.
The utility model mainly is that the interior smokejack with cover body is designed to intermediate, inclined, the axis normal of described rotary fan blade tilts in interior smokejack and with cooktop surface, the two sides of described cover body lower end are provided with retractable rotation and expand petticoat pipe, the induced-draft fan that petticoat pipe can make the double suction mouth that holds together of like this, tilting interior smokejack and both sides forms skewed.When the hot flue gas stream of generation on the cooking stove rises, just can on the center of cover body, rise along the expansion board of holding together on the petticoat pipe, then, by the fan blade of rotating it is sucked interior smokejack, hot flue gas stream will not flowed to the interference of resistance, flow naturally to the exhaust opening on cover body top with the inscribe grain direction and discharge.
The utlity model has following advantage: because the exhaust opening of the interior smokejack of induced-draft fan cover body both sides to the centre tilts, the hot flue gas stream that enters into like this in the cover body can be the exhaust opening that streamlined flow to the cover body center, thereby reduced the resistance to flow output of hot flue gas stream, the suction of induced-draft fan is increased, improve exhaust smoke level, reduced the power consumption of motor.The utility model has overcome the weak point of horizontal and vertical induced-draft fan, has improved the collection cigarette effect of induced-draft fan, has improved the working environment in kitchen greatly.
Drawing is described as follows:
Fig. 1 is the utility model half section structural representation.
Below in conjunction with accompanying drawing the utility model is described in further detail.
Referring to Fig. 1.From accompanying drawing as can be seen, the utility model comprises that one has the cover body 1 of exhaust opening 2 and two smoking ports 5 and is installed in the fan blade 4 that exhaust opening 2 both sides are driven by motor 6, interior smokejack 3 on the described cover body 1 is to centroclinal and communicate with exhaust opening 2, described fan blade 4 is mounted obliquely within the interior smokejack 3, and it is corresponding with smoking port 5, the axis 7 of this fan blade is vertical with interior smokejack 3, and with metope be installed paralleled.The both sides of described cover body 1 are provided with the collapsible petticoat pipe 18 that holds together, this holds together petticoat pipe 18 and comprises expansion board 10 and gear 8, described expansion board 10 and gear 8 be being fixed in the rotating shaft 17 of idle running not, this rotating shaft 17 is bearing on the forward and backward cover plate 16,13 of cover body, described gear 8 is meshed with tooth bar 11 on being installed in support 9, one end of the end of this tooth bar 11 and connecting rod 12 is hinged, and the other end of connecting rod 12 is hinged with the shifting fork bar 14 that is fixed on shroud upper panel 16 knobs 15.During use, with hand twisting knob 15 hinged shifting fork bar 14 is rotated, an end that orders about the bar 12 that is articulated and connected rotates around the center of knob 15, the other end promote hinged tooth bar 11 to the right, moving linearly left, so just driving the gear 8 that is fixed on the expansion board of both sides rotates, outwards rotate thereby drive both sides expansion board 10, to reach the action of putting down expansion board, the time spent does not receive up and is hidden in the following, very convenient of cover body.
Claims (2)
1, a kind of induced-draft fan, it comprises a cover body (1) that has exhaust opening (2) and two smoking ports (5), and be installed in the fan blade (4) that exhaust opening (2) both sides are driven by motor (6), it is characterized in that: the interior smokejack (3) of cover body (1) is skewed, described fan blade (4) is installed in the both sides of exhaust opening (2) in the smokejack (3), and corresponding with smoking port (5), the axis of this fan blade (7) is vertical with interior smokejack (3), and parallels with the installation metope.
2, induced-draft fan according to claim 1, it is characterized in that: the both sides of cover body (1) are provided with the collapsible petticoat pipe (18) that holds together, this holds together petticoat pipe (18) and comprises expansion board (10) and gear (8), described expansion board (10) and gear (8) be being installed in the rotating shaft (17) of idle running not, the two supports of this rotating shaft (17) is before cover body, rear cowl (16,13) on, described gear (8) is meshed with tooth bar (11) on being installed in cover body carriage (9), one end of end of this tooth bar (11) and connecting rod (12) is hinged, and the other end of connecting rod (12) is hinged with the shifting fork bar (14) that is fixed on the knob (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99250413 CN2396308Y (en) | 1999-11-22 | 1999-11-22 | Fume exhauster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99250413 CN2396308Y (en) | 1999-11-22 | 1999-11-22 | Fume exhauster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2396308Y true CN2396308Y (en) | 2000-09-13 |
Family
ID=34035154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99250413 Expired - Fee Related CN2396308Y (en) | 1999-11-22 | 1999-11-22 | Fume exhauster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2396308Y (en) |
-
1999
- 1999-11-22 CN CN 99250413 patent/CN2396308Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |