CN203586342U - Range hood with negative pressure cavity - Google Patents
Range hood with negative pressure cavity Download PDFInfo
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- CN203586342U CN203586342U CN201320756500.9U CN201320756500U CN203586342U CN 203586342 U CN203586342 U CN 203586342U CN 201320756500 U CN201320756500 U CN 201320756500U CN 203586342 U CN203586342 U CN 203586342U
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- plate
- negative pressure
- pressure cavity
- frame plate
- casing
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Abstract
The utility model discloses a range hood with a negative pressure cavity. The range hood comprises a box body, a fan and an oil net, and also comprises the negative pressure cavity, wherein the negative pressure cavity comprises a front glass plate, a movable glass cover plate, side plates and a positioning device; the upper part of the front glass plate is attached to the front end of the upper part of the box body; the side plates are fixedly connected with the rear surface of the front glass plate and a front panel of the box body; the movable glass cover plate and the front glass plate are pivoted together through a pivoting mechanism; under a static state, the movable glass cover plate covers a lower opening of the negative pressure cavity or covers the middle part of the lower opening of the negative pressure cavity; the upper end of the oil net is attached to the front glass plate, and the lower end of the oil net is attached to the front panel at the lower part of a fume guide opening of the box body; two ends of the oil net are fixedly connected with the side plates. Due to the adoption of the structure, during working, the movable glass cover plate turns over to stay away form the lower opening of the negative pressure cavity to achieve a flow guide effect; under the static state, the movable glass cover plate closes the lower opening of the negative pressure cavity to achieve a backflow prevention effect; the range hood is convenient to use.
Description
Technical field
The utility model relates to a kind of range hood.
Background technology
Currently available technology, a kind of range hood, comprises casing, blower fan and oil network, goes out oil smoke hole on casing upper plate, the air outlet of blower fan with go out oil smoke hole and be connected connection; The front panel of described casing and front horizontal plane have an acute angle angle, have Oil Guide mouth on the front panel of described casing; Oil network is arranged on Oil Guide mouth.Existing problems are: when blower fan rotates, at the front panel of casing, form negative pressuren zone above; Be subject to ectocine, part oil smoke enters indoor.
Summary of the invention
The purpose of this utility model is: a kind of range hood that negative pressure cavity is set is provided, and it can effectively suck oil smoke to discharge, and prevents from overflowing to indoor.
The utility model is achieved in that a kind of range hood that negative pressure cavity is set, and comprises casing, blower fan and oil network, goes out oil smoke hole on casing upper plate, the air outlet of blower fan with go out oil smoke hole and be connected connection; On the front panel of described casing, there is Oil Guide mouth; Its special character is: also comprise negative pressure cavity, described negative pressure cavity comprises front glass panel, movable glass cover plate, side plate and positioner,
The front end laminating on described front glass panel top and casing top, described side plate is fixedly connected with the rear surface of front glass panel and the front panel of casing; Described movable glass cover plate and front glass panel are by a pivot joint pin-joint mechanism pivot joint; Under inactive state, movable glass cover plate covers the under shed of negative pressure cavity;
The front panel laminating of the Oil Guide mouth bottom of the upper end of described oil network and front glass panel laminating, lower end and casing; The two ends of oil network are fixedly connected with side plate.
Described a kind of range hood that negative pressure cavity is set, its special character is: described positioner comprise be arranged on movable glass cover plate upper end groove, tension spring, be fixed on the upper spring seat in front glass panel, the seat board of tape guide groove and be arranged on the lower spring cup on seat board; Tension spring is connected with upper and lower spring base respectively, and seat board is fixed on movable glass cover plate, gathering sill and recesses coincide, tension spring and gathering sill and groove fit;
On described movable glass cover plate, there is handgrip.
Described a kind of range hood that negative pressure cavity is set, its special character is: described pin-joint mechanism comprises pin joint seat, drive-connecting shaft, buffer stopper and lower pin joint seat,
Described upper pin joint seat comprises upper fixed seat plate and the hook-type frame plate that is positioned at holder both sides, and the lower end of hook-type frame plate is provided with axis hole; Buffer stopper is arranged between two hook-type frame plates.The shape of buffer stopper is consistent with the shape of hook-type frame plate;
Described lower pin joint seat comprises lower fixed seat plate and is positioned at the frame plate of lower fixed seat plate both sides, has axis hole on frame plate;
Upper fixed seat plate is fixedly connected with front glass panel, and lower fixed seat plate is fixedly connected with movable glass cover plate, and drive-connecting shaft is through the axis hole on hook-type frame plate, frame plate and buffer stopper;
In the time of in working order, the upper end of movable glass cover plate embeds in hook-type frame plate and coordinates stop bit with buffer stopper:
The front panel of described casing and front horizontal plane have an acute angle angle.
Described a kind of range hood that negative pressure cavity is set, its special character is: described movable glass cover plate has two, left and right arranges.
Described a kind of range hood that negative pressure cavity is set, its special character is: also comprise a driving mechanism, described driving mechanism comprises synchronous motor, crank, connecting rod, closes limit switch, opening limit switch and casing,
Described casing comprises drain pan and side cover; Close, opening limit switch is arranged in drain pan, crank is fixedly connected with the synchronous motor shaft through drain pan, the drive end pivot joint of the other end and connecting rod; Described connecting rod moves in the gathering sill of casing; Closing limit switch and opening limit switch coordinates with crank.
There is the embedded hole of synchronous motor and casing one end of described oil network;
Described pin-joint mechanism comprises pin joint seat, drive-connecting shaft and lower pin joint seat, and described upper pin joint seat comprises upper fixed seat plate and a hook-type frame plate, on hook-type frame plate, has axis hole;
Described lower pin joint seat comprises lower fixed seat plate, a frame plate and a driven frame plate, on described frame plate, has axis hole, and frame plate is positioned at the top of driven frame plate;
Hook-type frame plate and frame plate pass through drive-connecting shaft pivot joint, the driven end of connecting rod and driven frame plate pivot joint:
The front panel of described casing and front horizontal plane have an acute angle angle.
A kind of range hood that negative pressure cavity is set of the utility model, owing to adopting such structure, during work, the upset of movable glass cover plate, from the under shed of shape negative pressure cavity, plays guide functions; Under inactive state, the under shed of movable glass cover closure negative pressure cavity, plays anti-backflow effect, easy to use.
Accompanying drawing explanation
Fig. 1 is the stereogram under the utility model duty.
Fig. 2 is the cutaway view under the utility model duty.
Fig. 3 is one of cutaway view under the utility model inactive state.
Fig. 4 is two of cutaway view under the utility model inactive state.
Fig. 5 is the partial perspective view under the utility model inactive state.
Fig. 6 is one of stereogram of the utility model the second embodiment.
Fig. 7 be the utility model the second embodiment stereogram two.
Fig. 8 is the partial perspective view of the utility model the second embodiment.
Fig. 9 is the stereogram of the driving mechanism of the utility model the second embodiment.
Figure 10 is the three-dimensional exploded view of the driving mechanism of the utility model the second embodiment.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of range hood that negative pressure cavity is set, comprises casing 1, blower fan 2 and oil network 3, on casing 1 upper plate, goes out oil smoke hole, the air outlet of blower fan 2 with go out oil smoke hole and be connected connection; The front panel of described casing 1 and front horizontal plane have an acute angle angle, have Oil Guide mouth 1A on the front panel of described casing 1, have draining hole 1B on the base plate of casing 1, and an oil-containing groove and base plate removably connect.
Also comprise a negative pressure cavity, described negative pressure cavity comprises front glass panel 4, movable glass cover plate 5, two side plates 6 and positioners,
The front end laminating on described front glass panel 4 tops and casing 1 top, described side plate 6 is fixedly connected with the front panel of casing 1 with the rear surface of front glass panel 4; Described movable glass cover plate 5 passes through a pivot joint pin-joint mechanism pivot joint with the lower end of front glass panel 4;
The front panel laminating of the Oil Guide mouth 1A bottom of the upper end of described oil network 3 and front glass panel 4 laminatings, lower end and casing 1; The two ends of oil network 3 are fixedly connected with side plate 6.
Described positioner comprise be arranged on movable glass cover plate 5 upper ends groove 51, tension spring 7, be fixed on the upper spring seat 8 in front glass panel, the seat board of tape guide groove 91 9 and be arranged on the lower spring cup 92 on seat board 9; Tension spring 8 is connected with upper and lower spring base 8,92 respectively, and seat board 9 is fixed on movable glass cover plate 5, and gathering sill 91 overlaps with groove 51, and tension spring 7 coordinates with gathering sill 91 and groove 51; On described movable glass cover plate 5, there is handgrip 52.
As shown in Figure 1 and Figure 2, under duty, movable glass cover plate 5 leaves the under shed of negative pressure cavity, between movable glass cover plate 5 and the front surface of front glass panel 4, has an obtuse angle angle, and movable glass cover plate 5 plays guide functions.Tension spring 7 is positioned at gathering sill 91 and groove 51, due to the effect of tension spring 7, prevents that movable glass cover plate 5 from swinging.
As shown in Fig. 3, Fig. 4, Fig. 5, under inactive state, movable glass cover plate 5 covers the under shed of negative pressure cavity; Prevent that extraneous wind or oil smoke from flowing backwards.Due to the effect of tension spring 7, make movable glass cover plate 5 keep covering the under shed of negative pressure cavity.
Also can be that under inactive state, movable glass cover plate 5 covers the middle part of the left and right directions of the under shed of negative pressure cavity; Adopt such structure, can directly use; In the situation that oil smoke amount is large, movable glass cover plate 5 is rotated away to the under shed of negative pressure cavity.
As shown in Figure 5, described pin-joint mechanism comprises pin joint seat 10, drive-connecting shaft 11, buffer stopper 12 and lower pin joint seat 13,
Described upper pin joint seat 10 comprises upper fixed seat plate 101 and the hook-type frame plate 102 that is positioned at holder both sides, and the lower end of hook-type frame plate 102 is provided with axis hole; Buffer stopper 12 is arranged between two hook-type frame plates 102.The shape of buffer stopper 12 is consistent with the shape of hook-type frame plate 102;
Described lower pin joint seat 13 comprises lower fixed seat plate 131 and is positioned at the frame plate 132 of lower fixed seat plate both sides, on frame plate 132, has axis hole;
Upper fixed seat plate 101 is fixedly connected with front glass panel 4, and lower fixed seat plate 131 is fixedly connected with movable glass cover plate 5, and drive-connecting shaft 11 is through the axis hole on hook-type frame plate 102, frame plate 132 and buffer stopper 12;
As shown in Figure 1 and Figure 2, in the time of in working order, the upper end of movable glass cover plate 5 embeds in hook-type frame plate 102 and coordinates stop bit with buffer stopper 12.Buffer stopper 12 plays stop bit and cushioning effect to movable glass cover plate 5.
Described movable glass cover plate 5 can have two, and two movable glass cover plate 5 left and right arrange.
As shown in Figure 6, Figure 7, described driving mechanism comprises synchronous motor 14, crank 15, connecting rod 16, closes limit switch 171, opening limit switch 172 and casing 18,
As shown in figure 10, described casing 18 comprises drain pan 181 and the side cover 182 of side opening; Opening limit switch 172, close limit switch 171 and be arranged in drain pan 181, crank 15 is fixedly connected with the synchronous motor shaft through drain pan 181, the drive end pivot joint of the other end and connecting rod 16; Described connecting rod 16 moves in the gathering sill 183 of casing 18; Close limit switch 171 and opening limit switch 172 coordinates with crank.
As shown in figure 10, movable glass cover plate 5 leaves under the under shed state of negative pressure cavity, and crank 15 coordinates with opening limit switch 172, and synchronous motor stops operating.
There is the embedded hole 31 of synchronous motor 14 and casing 18 one end of described oil network 3;
Described pin-joint mechanism comprises pin joint seat 10, drive-connecting shaft 11 and lower pin joint seat 13, and described upper pin joint seat 10 comprises upper fixed seat plate 101 and a hook-type frame plate 102, on hook-type frame plate, has axis hole;
Described lower pin joint seat 13 comprises lower fixed seat plate 131, frame plate 132 and a driven frame plate 133, on described frame plate 132, has axis hole, and frame plate 132 is positioned at the top of driven frame plate 133;
Hook-type frame plate 102 and frame plate 132 pass through drive-connecting shaft 11 pivot joints, connecting rod 16 and driven frame plate 133 pivot joints.
Above-described is only preferential embodiment of the present utility model.It should be pointed out that for the person of ordinary skill of the art, in the situation that not departing from the utility model principle, can also make some improvement and modification, this is also considered as protection domain of the present utility model.
Claims (5)
1. a range hood for negative pressure cavity is set, comprises casing, blower fan and oil network, on casing upper plate, go out oil smoke hole, the air outlet of blower fan with go out oil smoke hole and be connected connection; On the front panel of described casing, there is Oil Guide mouth; It is characterized in that: also comprise negative pressure cavity, described negative pressure cavity comprises front glass panel, movable glass cover plate, side plate and positioner,
The front end laminating on described front glass panel top and casing top, described side plate is fixedly connected with the rear surface of front glass panel and the front panel of casing; Described movable glass cover plate and front glass panel are by a pivot joint pin-joint mechanism pivot joint; Under inactive state, movable glass cover plate covers the middle part of the under shed of negative pressure cavity or the under shed of movable glass cover plate covering negative pressure cavity;
The front panel laminating of the Oil Guide mouth bottom of the upper end of described oil network and front glass panel laminating, lower end and casing; The two ends of oil network are fixedly connected with side plate.
2. a kind of range hood that negative pressure cavity is set according to claim 1, it is characterized in that: described positioner comprise be arranged on movable glass cover plate upper end groove, tension spring, be fixed on the upper spring seat in front glass panel, the seat board of tape guide groove and be arranged on the lower spring cup on seat board; Tension spring is connected with upper and lower spring base respectively, and seat board is fixed on movable glass cover plate, gathering sill and recesses coincide, tension spring and gathering sill and groove fit;
On described movable glass cover plate, there is handgrip.
3. a kind of range hood that negative pressure cavity is set according to claim 1 and 2, is characterized in that: described pin-joint mechanism comprises pin joint seat, drive-connecting shaft, buffer stopper and lower pin joint seat,
Described upper pin joint seat comprises upper fixed seat plate and the hook-type frame plate that is positioned at holder both sides, and the lower end of hook-type frame plate is provided with axis hole; Buffer stopper is arranged between two hook-type frame plates;
The shape of buffer stopper is consistent with the shape of hook-type frame plate;
Described lower pin joint seat comprises lower fixed seat plate and is positioned at the frame plate of lower fixed seat plate both sides, has axis hole on frame plate;
Upper fixed seat plate is fixedly connected with front glass panel, and lower fixed seat plate is fixedly connected with movable glass cover plate, and drive-connecting shaft is through the axis hole on hook-type frame plate, frame plate and buffer stopper;
In the time of in working order, the upper end of movable glass cover plate embeds in hook-type frame plate and coordinates stop bit with buffer stopper:
The front panel of described casing and front horizontal plane have an acute angle angle.
4. a kind of range hood that negative pressure cavity is set according to claim 3, is characterized in that: described movable glass cover plate has two, and left and right arranges.
5. a kind of range hood that negative pressure cavity is set according to claim 1, is characterized in that: also comprise a driving mechanism, described driving mechanism comprises synchronous motor, crank, connecting rod, closes limit switch, opening limit switch and casing,
Described casing comprises drain pan and side cover; The first, opening limit switch is arranged in drain pan, crank with through the synchronous motor shaft of drain pan, be fixedly connected with, the drive end pivot joint of the other end and connecting rod; Described connecting rod moves in the gathering sill of casing; Closing limit switch and opening limit switch coordinates with crank;
There is the embedded hole of synchronous motor and casing one end of described oil network;
Described pin-joint mechanism comprises pin joint seat, drive-connecting shaft and lower pin joint seat, and described upper pin joint seat comprises upper fixed seat plate and a hook-type frame plate, on hook-type frame plate, has axis hole;
Described lower pin joint seat comprises lower fixed seat plate, a frame plate and a driven frame plate, on described frame plate, has axis hole, and frame plate is positioned at the top of driven frame plate;
Hook-type frame plate and frame plate pass through drive-connecting shaft pivot joint, the driven end of connecting rod and driven frame plate pivot joint:
The front panel of described casing and front horizontal plane have an acute angle angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320756500.9U CN203586342U (en) | 2013-11-27 | 2013-11-27 | Range hood with negative pressure cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320756500.9U CN203586342U (en) | 2013-11-27 | 2013-11-27 | Range hood with negative pressure cavity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203586342U true CN203586342U (en) | 2014-05-07 |
Family
ID=50584253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320756500.9U Expired - Fee Related CN203586342U (en) | 2013-11-27 | 2013-11-27 | Range hood with negative pressure cavity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203586342U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329707A (en) * | 2014-05-11 | 2015-02-04 | 姚洪亮 | Safe easy-to-cleaning kitchen ventilator |
| CN105423395A (en) * | 2016-01-18 | 2016-03-23 | 浙江康纳电器有限公司 | European style range hood with automatic smoke deflector |
| CN111006285A (en) * | 2020-01-03 | 2020-04-14 | 宁波方太厨具有限公司 | Fume exhaust fan |
-
2013
- 2013-11-27 CN CN201320756500.9U patent/CN203586342U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329707A (en) * | 2014-05-11 | 2015-02-04 | 姚洪亮 | Safe easy-to-cleaning kitchen ventilator |
| CN105423395A (en) * | 2016-01-18 | 2016-03-23 | 浙江康纳电器有限公司 | European style range hood with automatic smoke deflector |
| CN111006285A (en) * | 2020-01-03 | 2020-04-14 | 宁波方太厨具有限公司 | Fume exhaust fan |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140507 Termination date: 20181127 |