CN109340845A

CN109340845A - Range hood

Info

Publication number: CN109340845A
Application number: CN201811185279.XA
Authority: CN
Inventors: 谭柏豪; 王春旭; 季俊生; 蒋济武
Original assignee: Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd
Current assignee: Wuhu Midea Smart Kitchen Appliance Manufacturing Co Ltd
Priority date: 2018-10-11
Filing date: 2018-10-11
Publication date: 2019-02-15
Anticipated expiration: 2038-10-11
Also published as: CN109340845B

Abstract

The invention discloses a kind of range hoods, including the interior range hood main body (1) for setting blower and the air cleaning unit (2) in the lower air port (10) of the range hood main body (1) is set, the air cleaning unit (2) includes the purifying area (222) for purifying the air of a room and the channel region (221) for flue gas to be discharged to outdoor, the lower air port (10) of the range hood main body (1) is optionally connected with the oil smoke of the purification wind of the purifying area (222) outlet (27) or the channel region (221) outlet (21), indoor or outdoors are selectively expelled to the air-flow for sucking the blower.Range hood of the invention is due to being additionally arranged air cleaning unit, and the range hood can be with free switching smoke pumping or the working condition of air cleaning, to optionally realize the function of smoke pumping or indoor air purification.

Description

Range hood

Technical field

The present invention relates to household kitchen electric appliance fields, and in particular, to a kind of range hood.

Background technique

In household kitchen, range hood plays indispensable role to the purification of kitchen fume, in cooking process In, the bulky grain object (oil droplet, vapor) in oil smoke aspirates and is discharged outdoor by range hood, to reduce oil smoke in kitchen Air pollution.But in the process of cooking, especially during quick-fried and frying, the grease of food and heating is produced Raw small molecule meeting volatile organic compounds VOCs is simultaneously distributed into indoor environment, causes to be filled with taste of food in kitchen space； Or in food of the culinary art than heavier taste, such as fish, seafood or garlic etc. have the food of penetrating odor When, the smell of food can rest on for a long time in narrow kitchen space, be easy to create disturbances to people's lives.

Currently, the mode of delay switching-off can be used in range hood, to realize rapid aeration, but although this method has centainly Effect, but effect is not obvious, and can not drain and remove the smell of above-mentioned cooking food in the short time.In addition, range hood Internal grease is difficult to clean, and the smell in grease can continue to volatilize and distribute from the air inlet of kitchen ventilator to interior, so that kitchen The indoor air in room is likely to constantly be contaminated.

Summary of the invention

The object of the present invention is to provide a kind of range hood, which can be with free switching smoke pumping or room air The working condition of purification.

To achieve the goals above, the present invention provides a kind of range hood, and the range hood includes the interior suction for setting blower The air cleaning unit of kitchen ventilator main body and the lower air port that the range hood main body is arranged in, the air cleaning unit include Purifying area for purifying the air of a room and the channel region for flue gas to be discharged to outdoor, the lower air port of the range hood main body It optionally exports and is connected with the oil smoke of the purification wind outlet of the purifying area or the channel region, the blower is sucked Air-flow be selectively expelled to indoor or outdoors.

Preferably, the air cleaning unit includes outer casing, and the purifying area and the channel region are formed in the outer cover In shell, and barrier assembly is installed in the outer casing, the barrier assembly be configured in the outer casing movement so that The lower air port of the range hood main body by one of the purifying area and the channel region selectively with another one The oil smoke outlet or purification wind outlet conducting.

Preferably, the outer casing has air inlet, and the lower air port of the range hood main body passes through the air inlet and institute Channel region conducting is stated, it is so that the lower air port of the range hood main body passes through the channel region that the barrier assembly, which can act, It selectively exports and is connected with the purification wind of the purifying area.

Preferably, the barrier assembly includes the flapper being pivotally mounted in the outer casing, flapper peace Loaded on can pivot between the purifying area and the channel region and between open position and blocking position, wherein

In the open position, the lower air port of the range hood main body passes through the institute of the channel region and the purifying area State the outlet conducting of purification wind；In the blocking position, the lower air port of the range hood main body and the oil smoke of the channel region go out Mouth conducting.

Preferably, it is connected with reset spring on the flapper, which is set as applying to the flapper Add elastic force, so that the flapper is maintained at the blocking position or tends to pivot to the blocking position.

Preferably, purification assembly is installed, the barrier assembly includes being set to the purifying area simultaneously in the purifying area It covers the purification cover being buckled in outside the purification assembly and connects the transmission mechanism of the purification cover, the transmission mechanism can push institute It states purification cover and enters the channel region from the purifying area.

Preferably, the transmission mechanism is screw body, and the screw body includes:

Motor, the motor are arranged far from the inner wall of the jacket of one end of the channel region；

Feed screw nut and screw rod；

Transmission gear, driving gear on the output shaft including connecting the motor and engaged with the driving gear from Moving gear, the driven gear are sleeved on the screw rod；

Connection frame, described connection frame one end connect the feed screw nut, and the other end is connected with the purification cover.

Preferably, the purification cover is connected with the hinge door that can close the purification air outlet of the purifying area.

Preferably, one end of the hinge door and the purification cover are pivotally attached to and the other end are provided with sliding block, described The sliding slot extended in the purifying area and with sliding block cooperation is provided on the inner wall of outer casing, so that the hinge door The purification wind outlet is opened or closed with the translation of the purification cover；

Meanwhile the flapper is driven by the purification cover to be switched to the open position from the blocking position, With by the purification cover by the purification wind outlet conducting of the lower air port of the range hood main body and the purifying area and with The oil smoke outlet of the channel region, also, when the purification cover is moved to the channel region, the hinge door position In the top of the purification assembly.

Preferably, guide groove, one towards the purification cover of the flapper are provided on the outer roof of the purification cover Side is formed with the convex block with guide groove cooperation, and being driven in the flapper by the purification cover is to pivot from the blocking position During to the open position, the convex block is slided along the guide groove.

Preferably, the range hood further includes the check-valves that oil smoke outlet side is arranged in.

Through the above technical solutions, range hood of the invention is due to being additionally arranged air cleaning unit, and the fume-exhausting Machine can be with free switching smoke pumping or the working condition of air cleaning, to optionally realize smoke pumping or indoor air cleaning The function of change.Wherein, the air cleaning unit of range hood of the invention can be used in originally and be set in range hood main body High-power blower accelerates purification speed, function more horn of plenty, structure is more compact, cost to realize the effect of air cleaning It is less expensive.

Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.

Detailed description of the invention

The drawings are intended to provide a further understanding of the invention, and constitutes part of specification, with following tool Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings:

Fig. 1 is the perspective view according to the range hood of the preferred embodiment of the present invention；

Fig. 2 is the explosive view of Fig. 1, illustrates three big major part structures of the range hood；

Fig. 3 is the explosive view of Fig. 1, illustrates the detail view of each component part of the range hood；

Fig. 4 A~Fig. 4 C is the cross-sectional view of air cleaning unit, and it is net that Fig. 4 A illustrates the air in the state of mist extractor Makeup is set, the lower air port of the oil smoke outlet conducting range hood main body of channel region；Fig. 4 C is illustrated in indoor air purification In the state of air cleaning unit, purifying area purification wind outlet conducting range hood main body lower air port；It is shown in Fig. 4 B From the air cleaning unit of the state of mist extractor into air cleaning state conversion process, wherein the purification cover is gradually from purification Area slides to channel region；

Fig. 5 is illustrated under the action of the promotion purification cover of transmission mechanism, and purification cover can affect hinge door and active catch The cross-sectional view of plate movement；

Fig. 6 and Fig. 7 is the cross-sectional view of air cleaning unit, and main presentation is a kind of to have transmission mechanism (i.e. screw body) Air cleaning unit cross-sectional view.

Description of symbols

1 range hood main body, 2 air cleaning unit

The lower air port of 3 check-valves 10

11 main body cushion cap, 20 outer cover flange

21 oil smoke export 22 outer casings

23 flapper, 24 purification cover

26 purification assembly, 31 check-valves flange

27 purification wind export 28 screw bodies

221 channel region, 222 purifying area

231 snap ring, 232 convex block

241 attachment base, 242 card slot

243 guide groove, 223 card column

261 adsorbent materials 262 purify mounting rack

272 hinge door, 271 air outlet bracket

2711 sliding slot, 2712 sliding block

2721 connecting columns

281 bearing, 282 feed screw nut

283 screw rod, 284 connection frame

285 motor, 286 transmission gear

291 spring fastening, 292 reset spring

Specific embodiment

Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.

In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower, top, bottom " is usually needle For direction shown in the drawings either for it is vertical, on vertical or gravity direction for each component mutual alignment relation Word is described.

For the more dirty problem of room air under existing culinary cuisine environment, the present invention provides a kind of novel Range hood, as depicted in figs. 1 and 2, the range hood include the interior range hood main body 1 for setting blower and are arranged in range hood The air cleaning unit 2 in the lower air port 10 of main body 1, shown in convex 3, which includes for purifying Interior Space The purifying area 222 of gas and for the channel region 221 that flue gas discharge is outdoor, the lower air port 10 of range hood main body 1 is alternative The purification wind outlet 27 of ground and purifying area 222 or 21 conducting of oil smoke outlet of channel region 221, the air-flow that blower is sucked select It is expelled to indoor or outdoors to property.

Therefore, range hood of the invention is due to being additionally arranged air cleaning unit 2, and the range hood can freely be cut The working condition of smoke pumping or air cleaning is changed, to optionally realize the function of smoke pumping or indoor air purification.Its In, the high-power blower in originally in range hood main body 1 can be used in the air cleaning unit 2 of range hood of the invention To realize the effect of air cleaning, purification speed is accelerated, function more horn of plenty, structure is more compact, and cost is less expensive.

Wherein, air cleaning unit 2 includes outer casing 22, and purifying area 222 and channel region 221 are formed in the outer casing 22 It is interior, and barrier assembly is installed in the outer casing 22, which is configured to the movement in outer casing 22 so that inhaling The lower air port 10 of kitchen ventilator main body 1 is selectively gone out with the oil smoke of another one by one of purifying area 222 and channel region 221 27 conducting of mouth 21 or the outlet of purification wind.Therefore, in range hood of the invention, by 222 He of purifying area of air cleaning unit 2 Channel region 221 is limited in an outer casing 22 as shell, so that the lower air port 10 of range hood main body 1 and air cleaning The conducting of the outlet of device 2 is needed by channel region 221 or purifying area 222, convenient for forming cramped construction.Wherein, isolation group Part may be selected to be closes or opens channel region 221 or the solenoid valve of purifying area 222 etc. respectively, so as to channel region 221 or purifying area 222 in the conducting of the lower air port 10 of range hood main body 1 or isolation.

Specifically, in the preferred embodiment of range hood of the invention, referring to shown in Fig. 1 to Fig. 4 C, outer casing 22 With air inlet, the lower air port 10 of range hood main body 1 is connected by the air inlet and channel region 221, and barrier assembly can move 27 selectively are exported with the purification wind of purifying area 222 as making the lower air port 10 of range hood main body 1 pass through channel region 221 Conducting.That is, channel region 221 and purifying area 222 are arranged side by side, the leeward of range hood main body 1 in the air cleaning unit 2 Mouth 10 is connected with the air inlet of channel region 221, and by the movement of barrier assembly, so that the leeward of range hood main body 1 Mouth 10, selectively with 27 conducting of the purification wind of purifying area 222 outlet, is filled by channel region 221 in this way, being conducive to air cleaning Set the arrangement of 2 purification assembly 26 (will hereafter be further described).

Further, barrier assembly includes the flapper 23 being pivotally mounted in outer casing 22, the flapper 23 It is installed between purifying area 222 and channel region 221 and can be pivoted between open position and blocking position, it is shown in Figure 3, Snap ring 231 is provided on flapper 23, be provided on 22 inner wall of outer casing with the matched card column 223 of the open loop 231 so that Flapper 23 being capable of pivotable motion.Wherein,

In open position, the lower air port 10 of range hood main body 1 is gone out by channel region 221 and the purification wind of purifying area 222 Mouth 27 is connected, to realize the working condition of the indoor air purification of the range hood；In blocking position, range hood main body 1 21 conducting of oil smoke outlet in lower air port 10 and channel region 221, to realize the working condition of the suction oil smoke of the range hood.

The flapper 23 is pivotally opened or separated in general, to realize, can set manual for flapper 23 Manipulation or Electronic control.At the same time, as shown in Fig. 3 and Fig. 4 A to Fig. 4 C, reset spring is connected on flapper 23 292,292 one end of reset spring is connected on flapper 23, on the inner wall of the outer casing 22 of the other end and purifying area 222 Spring fastening 291 connects.The reset spring 292 is set as applying elastic force to flapper 23, passes through the bullet of the reset spring 292 Property restoring force so that flapper 23 be maintained at blocking position or tend to blocking position pivot.

In range hood of the invention, purification assembly 26 is installed in purifying area 222, purification assembly 26 includes with more Porous materials are capable of increasing adsorbent material 261 and purification mounting rack 262 (referring to Fig. 3) of adsorption surface area, the purification assembly 26 By purify mounting rack 262 be removably secured be installed on outer casing 22 on the inner wall of purifying area 222.Wherein, every It include the driver for being set to purifying area 222 and covering the purification cover 24 being buckled in outside purification assembly 26 and connection purification cover 24 from component Structure, transmission mechanism can push purification cover 24 to enter channel region 221 from purifying area 222.In this way, being purified by being provided with the cover Purification cover 24 outside component 26, can prevent fume pollution purifying area 222.Referring to fig. 4 shown in A to Fig. 4 C, when range hood When purification function is opened, transmission mechanism pushes purification cover 24 from purifying area 222 to progress into channel region 221 so that air from The channel region 221 of one lateral edge air cleaning unit 2 of range hood host machine 1 enters in purifying area 222.

Wherein, the structure type of transmission mechanism can there are many, in range hood of the invention, transmission mechanism is preferable For screw body 28, as shown in Fig. 3, Fig. 6 and Fig. 7, screw body 28 includes:

Motor 285, the motor 285 are arranged far from the inner wall of the jacket of one end of channel region 221；

Feed screw nut 282 and screw rod 283；

Transmission gear 286, driving gear on the output shaft including connecting motor 285 and is engaged with driving gear driven Gear, driven gear are sleeved on screw rod 283；

Connection frame 284,284 one end connection wire rod nut 282 of connection frame, the other end is connected with purification cover 24.Wherein, as schemed Shown in 3, the attachment base 241 being connected with the connection frame 284 of transmission mechanism is provided on purification cover 24.

Wherein, in the screw body 28, the output shaft of motor 285 is connected with driving gear, and by driving gear with The engagement of driven gear engagement, so that the rotary power of motor 285 is transferred on the driven gear for being mounted on 283 one end of screw rod, Screw rod 283 is additionally provided with bearing 281 in one end of installation driven gear simultaneously, and bearing 281 is installed on air outlet bracket 271, The other end of screw rod 283 is mounted at the intermediate bulkhead of jacket 22, and drives connection frame 284 mobile by feed screw nut 282, The rotary motion of feed screw nut 282 is finally made to be converted into the free shift movement that connection frame 284 drives purification cover 24.

In the wind outlet section of the air cleaning unit 2, purification cover 24 is connected with the purification air outlet for capableing of enclosed purification area 222 27 hinge door 272.That is, purification cover 24 affects hinge door when transmission mechanism drives purification cover 24 mobile to channel region 221 272 is mobile, and the outlet to expose as air cleaning unit 2 purifies air outlet 27, so that range hood is by purified sky Gas blows to interior from purification air outlet 27, realizes the circulating purification function of air.

At the same time, one end of hinge door 272 and purification cover 24 are pivotally attached to and the other end are provided with sliding block 2712, join As shown in Fig. 3 and Fig. 5, it is provided with connecting column 2721 on hinge door 272, is provided on purification cover 24 matched with connecting column 2721 242 mounting structure of card slot.The sliding slot for extending in purifying area 222 and cooperating with sliding block 2712 is provided on the inner wall of outer casing 22 2711, so that hinge door 272 is opened with the translation of purification cover 24 or enclosed purification wind outlet 27.

Meanwhile flapper 23 is cleaned cover 24 and drives to be switched to open position from blocking position, by purification cover 24 It exports 27 conducting of the purification wind of the lower air port 10 of range hood main body 1 and purifying area 222 outlet and with the oil smoke of channel region 221 21 partitions, also, when purification cover 24 is moved to channel region 221, hinge door 272 is located at the top of purification assembly 26.It is being driven Under the action of mechanism, which drives hinge door 272 to move, and purification cover 24 can push flapper 23 to move, this When, in the sliding guide mechanism of above-mentioned sliding block 2712 and sliding slot 2711, by the restriction of the motion profile to hinge door 272, To guide hinge door 272 constantly to move up, it is ensured that hinge door 272 is always positioned at the top of purification assembly 26, and reliability is higher.

It is shown in Figure 3, be provided with guide groove 243 on the outer roof of purification cover 24, flapper 23 towards the purification cover 24 side is formed with the convex block 232 cooperated with the guide groove 243, and being cleaned cover 24 in flapper 23 and drive is from blocking position It is switched to during open position, convex block 232 is slided along guide groove 243.Guide groove 243 is arranged on the outer roof of purification cover 24, that is, sets It sets in air outlet bracket 271, referring to Fig. 3.

In addition, as shown in Fig. 2, range hood further includes the check-valves 3 that oil smoke is arranged in and exports 21 sides.Art technology Personnel only know, by the way that check-valves 3 is arranged in the oil smoke outlet end of range hood, can prevent oil smoke from suck-back reflux occurs The phenomenon that.Wherein, the main body cushion cap 11 for accepting air cleaning unit 2 is provided at the lower air port 10 of range hood main body 1, The both ends of the outer casing 22 of air cleaning unit 2 are provided with for connecting outer cover flange 20, are provided with check-valves on check-valves 3 and are turned over Side 31, so that check-valves 3, air cleaning unit 2 and range hood host machine 1 are successively removably stacked.

It is described the prefered embodiments of the present invention in detail above in conjunction with attached drawing, still, the present invention is not limited to above-mentioned realities The detail in mode is applied, within the scope of the technical concept of the present invention, a variety of letters can be carried out to technical solution of the present invention Monotropic type, these simple variants all belong to the scope of protection of the present invention.

It is further to note that specific technical features described in the above specific embodiments, in not lance In the case where shield, it can be combined in any appropriate way.In order to avoid unnecessary repetition, the present invention to it is various can No further explanation will be given for the combination of energy.

In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally The thought of invention, it should also be regarded as the disclosure of the present invention.

Claims

1. a kind of range hood, which is characterized in that the range hood includes the interior range hood main body (1) for setting blower and setting Air cleaning unit (2) in the lower air port (10) of the range hood main body (1), the air cleaning unit (2) include using In the purifying area (222) to purify the air of a room and for the channel region (221) that flue gas discharge is outdoor, the range hood main body (1) lower air port (10) optionally with the purification wind of the purifying area (222) outlet (27) or the channel region (221) Oil smoke exports (21) conducting, and the air-flow that the blower sucks selectively is expelled to indoor or outdoors.

2. range hood according to claim 1, which is characterized in that the air cleaning unit (2) includes outer casing (22), the purifying area (222) and the channel region (221) are formed in the outer casing (22), and peace in the outer casing (22) Equipped with barrier assembly, which is configured to act in the outer casing (22) so that the range hood main body (1) lower air port (10) by one of the purifying area (222) and the channel region (221) selectively with another one The oil smoke outlet (21) or purification wind outlet (27) conducting.

3. range hood according to claim 2, which is characterized in that the outer casing (22) has air inlet, the suction The lower air port (10) of kitchen ventilator main body (1) is connected by the air inlet and the channel region (221), and the barrier assembly can move As make the lower air port (10) of the range hood main body (1) by the channel region (221) selectively with the purification Purification wind outlet (27) conducting in area (222).

4. range hood according to claim 3, which is characterized in that the barrier assembly includes being pivotally mounted to outside described Flapper (23) in housing (22), the flapper (23) are installed on the purifying area (222) and the channel region (221) Between and can be pivoted between open position and blocking position, wherein

In the open position, the lower air port (10) of the range hood main body (1) passes through the channel region (221) and described net Change purification wind outlet (27) conducting of area (222)；In the blocking position, the lower air port of the range hood main body (1) (10) it is connected with the oil smoke of the channel region (221) outlet (21).

5. range hood according to claim 4, which is characterized in that be connected with reset spring on the flapper (23) (292), which is set as applying elastic force to the flapper (23), so that the flapper (23) It is maintained at the blocking position or tends to pivot to the blocking position.

6. range hood according to claim 4, which is characterized in that be equipped with purification assembly in the purifying area (222) (26), the barrier assembly includes being set to the purifying area (222) and covering to be buckled in the purification cover of the purification assembly (26) outside (24) and the transmission mechanism of the connection purification cover (24), the transmission mechanism can push the purification cover (24) from described net Change area (222) and enters the channel region (221).

7. range hood according to claim 6, which is characterized in that the transmission mechanism is screw body (28), described Screw body (28) includes:

Motor (285), the motor (285) are arranged far from the inner wall of the jacket of one end of the channel region (221)；

Feed screw nut (282) and screw rod (283)；

Transmission gear (286), driving gear on the output shaft including connecting the motor (285) and is nibbled with the driving gear The driven gear of conjunction, the driven gear are sleeved on the screw rod (283)；

Connection frame (284), described connection frame (284) one end connect the feed screw nut (282), the other end and the purification cover (24) it is connected.

8. range hood according to claim 6, which is characterized in that the purification cover (24) be connected with can close it is described The hinge door (272) of the purification air outlet (27) of purifying area (222).

9. range hood according to claim 8, which is characterized in that one end of the hinge door (272) and the purification Cover (24) is pivotally attached to and is provided with sliding block (2712) in the other end, is provided on the inner wall of the outer casing (22) described net Change the sliding slot (2711) extended in area (222) and with the sliding block (2712) cooperation, so that the hinge door (272) is with described The translation of purification cover (24) and open or close purification wind outlet (27)；

Meanwhile the flapper (23) is driven by the purification cover (24) to be switched to the open position from the blocking position Set, with by the purification cover (24) by the described of the lower air port (10) of the range hood main body (1) and the purifying area (222) It purifies wind outlet (27) conducting and separates with the oil smoke of the channel region (221) outlet (21), also, work as the purification cover (24) when being moved to the channel region (221), the hinge door (272) is located at the top of the purification assembly (26).

10. range hood according to claim 6, which is characterized in that be provided on the outer roof of the purification cover (24) Guide groove (243), the side towards the purification cover (24) of the flapper (23) are formed with convex with the guide groove (243) cooperation Block (232), being driven in the flapper (23) by the purification cover (24) is to be switched to the opening from the blocking position During position, the convex block (232) is slided along the guide groove (243).

11. range hood according to claim 1, which is characterized in that the range hood further includes being arranged in the oil The check-valves (3) of cigarette outlet (21) side.