CN209706166U - A kind of range hood with outlet housing - Google Patents

Abstract

The utility model relates to a kind of range hoods with outlet housing, it include casing, outlet housing, non-return valve block and smoke deflector, casing has the air inlet and air outlet of configured in fluid communication, outlet housing is arranged at air outlet, and there is ventilation opening with air outlet configured in fluid communication, non-return valve block be arranged in the ventilation opening of outlet housing and can the opposite outlet housing rotate to open or close described in ventilation opening；By oil smoke flow direction, the upstream of shell air inlet is arranged in smoke deflector；It is characterized by also including there is driving mechanism, power output end is connected with smoke deflector and non-return valve block simultaneously, so that synchronous driving smoke deflector rotates in ventilation opening relative to the change in location and the non-return valve block of driving of air inlet.The non-return valve block and smoke deflector of the utility model are driven by same set of driving mechanism, are synchronized to realize and are opened or closed air inlet and ventilation opening, prevent due to non-return valve block adhesion can not free-open-close the case where, increase the reliability that non-return valve block is opened.

Description

A kind of range hood with outlet housing

Technical field

The utility model relates to a kind of range hoods, and in particular to a kind of range hood with outlet housing.

Background technique

Currently, be typically all common flue used in the building of household resident, the range hood discharge of every household Oil smoke from range hood enter common flue after above house be discharged, if air outlet for kitchen ventilator is poorly sealed, Jiu Huizao The phenomenon that at cigarette is mutually altered between air flue.

For this purpose, as the China of Patent No. CN201620088786.1 (Authorization Notice No. CN205481212U) is practical new Type patent " a kind of range hood ", the range hood are connected with non-return valve block, outlet housing by shaft in the air inlet of outlet housing Air inlet be rectangle, shaft along outlet housing air inlet a diagonal line be arranged, when range hood does not work, at outlet housing Valve block be in close state by self weight or counterweight, and when range hood be in work, outside air-flow that blower generates oneself Turn is dynamic to be blown open valve block and is discharged fume, and when range hood stops working, valve block is closed.The opening of i.e. above-mentioned patent middle valve plate The outside air-flow of blower generation is fully relied on, the closing of valve block fully relies on self weight, after long-term use, the valve of outlet housing On piece be easy to be stained with greasy dirt and occur can not free-open-close the phenomenon that, to influence the discharge of oil smoke, reduce the work of range hood Make efficiency.

In order to solve the above technical problems, the applicant's earlier application application No. is CN02112348.9, (authorization is public Accuse number is CN1391066A) Chinese invention patent " a kind of outlet housing for range hood ", the check (non-return) valve in the outlet housing Piece is one piece of thin plate to match with outlet housing mouth-shaped, and the check (non-return) valve is fixed on one and extends radially through outlet housing and by a driving machine In the shaft that structure drives, and slightly above its upper limit step and summary is oppositely disposed on the outlet housing inner wall of shaft two sides Lower than its lower limit step, non-return valve block is made to respectively obtain upper limit and lower limit with respect to the edge of shaft two sides, even if also Non-return valve block can only be opened from its closed state through a rotation direction, and the folding of the non-return valve block in above-mentioned patent is by list The driving mechanism being solely arranged actively is completed, rather than is closed by the passive unlatching of institute's mist extractor and passively as caused by self weight or counterweight It closes, effectively prevents the unexpected generation opened or be surprisingly closed；However the smoke deflector of current range hood is that lift is set It sets, it is also desirable to the lifting that smoke deflector is completed by setting driving mechanism, as (authorization is public by Patent No. CN201721042218.9 Announcement number is a kind of Chinese utility model patent " range hood with smoke deflector " of CN207065684U), which leads It is to make oscilaltion campaign under the driving of driving mechanism on cigarette plate, that is to say, that in actual use, if to complete to lead The active of the lifting action of cigarette plate and non-return valve block, which is opened, needs two sets of driving mechanisms to be respectively completed, to a certain extent Increase design cost.

Utility model content

First technical problem to be solved in the utility model is in view of the above-mentioned state of the art, to provide one kind and stop The folding of inverse valve block and the movement of smoke deflector are completed under the driving of same driving mechanism, to prevent because non-return valve block is viscous Even and can not free-open-close the range hood with outlet housing.

Second technical problem to be solved in the utility model is to provide a kind of pass through and pulls turntable rotation, with driving Non-return valve block rotation, to reach the range hood with outlet housing that ventilation opening opens or closes.

The utility model solves technical solution used by above-mentioned first technical problem are as follows: a kind of suction with outlet housing Kitchen ventilator includes

Casing, air inlet and air outlet with configured in fluid communication；

Outlet housing is arranged at air outlet, and has the ventilation opening with air outlet configured in fluid communication；

Non-return valve block is arranged in the ventilation opening of outlet housing and can rotate to open or close institute relative to the outlet housing The ventilation opening stated；And

The upstream of shell air inlet is arranged in by oil smoke flow direction in smoke deflector；

It is characterized by also including have

Driving mechanism, power output end are connected with smoke deflector and non-return valve block simultaneously, thus synchronous driving smoke deflector phase Change in location and the non-return valve block of driving to air inlet rotate in ventilation opening.

Smoke deflector can move up and down with respect to air inlet, to open or close air inlet or smoke deflector with respect to air inlet Rotation is to open or close air inlet, it is preferable that driving smoke deflector moves up and down for convenience, and the smoke deflector is located at casing The lower section of air inlet, the driving mechanism include motor and the transmission component to drive smoke deflector to move up and down, the machine The opposite sides of shell is equipped with connecting rod, and the power output end of the transmission component is connected with the upper end of connecting rod, the lower end of the connecting rod It is connected with smoke deflector.In this way, driving mechanism is connected by connecting rod with smoke deflector, smoke deflector is driven to transport up and down to facilitate It is dynamic.

In order to facilitate the fixation for realizing non-return valve block, be provided at the ventilation opening can around the shaft of own axis, The non-return valve block is fixed in the shaft, and the shaft extends radially through the outlet housing, and the shaft exposes to outlet air End except cover is connected with the connecting rod.

The utility model solves technical solution used by above-mentioned second technical problem are as follows: the shaft exposes to outlet air End except cover is equipped with the turntable for being coaxially disposed and rotating synchronously with shaft, and the turntable is vertically arranged, and the turntable On be provided with drawstring to pull the turntable to rotate, the turntable is connected by drawstring with the connecting rod.

Drawstring can be two, can also use one, from structure simply and for cost angle, it is preferable that the drawing Rope is mutually fixedly connected with the connecting rod of respective side, and the first free end of the drawstring and the second free end interval are fixed on the turntable On, in the case where range hood is in running order, the first free end of the drawstring pulls turntable to rotate forward and make at ventilation opening In opening state；In the case where the range hood is in off working state, the second free end of the drawstring pulls turntable reversely to turn It moves and is in close state ventilation opening.

Transmission component can use gear & rack structure there are many structure type, can also matching using gear and screw rod Close structure, it is preferable that the transmission component includes

Screw rod, it is vertically arranged, and be connected with the output shaft of motor；

Nut is mounted on the screw rod；

Guide rail, at least two and be set to the casing two sides；And

Connecting plate to connect two connecting rods, and is mounted on the nut, and the two sides of the connecting plate and guide rail slide Cooperation.

Spiral shell can be installed on the output shaft of the motor there are many transmission mechanism between motor output shaft and screw rod Bar, be equipped on the end of the screw rod with screw rod be coaxially disposed and rotate synchronously transmission gear, the transmission gear with Screw rod is meshed.

In order to protect drawstring, casing is arranged with outside the drawstring, described sleeve pipe is fixed on the housing.

Compared with the prior art, the advantages of the utility model are: the smoke deflector of the range hood with outlet housing and Non-return valve block is driven by same driving mechanism, opens or closes air inlet and ventilation opening to synchronize, i.e., in fume-exhausting When work, smoke deflector moves under the driving of driving mechanism while open air inlet, which can also drive only Inverse valve block rotates, to open ventilation opening, prevent due to non-return valve block adhesion can not free-open-close the case where, increase only The reliability that inverse valve block is opened, and when range hood is in inoperative, smoke deflector moves closing under the driving of driving mechanism When air inlet, which drives non-return valve block to rotate and close ventilation opening simultaneously, prevents oil smoke from flowing backward, whole process passes through A set of driving mechanism realization, course of work enhanced convenience；In addition, reducing in the prior art through two sets of driving mechanisms point Not Qu Dong smoke deflector and non-return valve block movement to complete air inlet and when opening or closing of ventilation opening, occur air inlet open and Ventilation opening opens possibility occurrence the case where not in time.

Detailed description of the invention

Fig. 1 is the structural schematic diagram (under range hood is in running order) of the utility model embodiment；

Fig. 2 is the structural schematic diagram of another angle of Fig. 1；

Fig. 3 is the structural schematic diagram of another angle of Fig. 2；

Fig. 4 is the partial structure diagram of Fig. 3；

Fig. 5 is the dimensional decomposition structure diagram of Fig. 4；

Fig. 6 is the partial structure diagram of the driving mechanism of the utility model embodiment；

Fig. 7 is the structural schematic diagram (range hood is under off working state) of the utility model embodiment；

Fig. 8 is the structural schematic diagram of another angle of Fig. 7.

Specific embodiment

The utility model is described in further detail below in conjunction with figure embodiment.

Shown in Fig. 1 to Fig. 8, the range hood with outlet housing of the utility model embodiment includes casing 1, outlet housing 2, non-return valve block 3, smoke deflector 4 and driving mechanism 5.

Casing 1 has the air inlet 1a and air outlet 1b of configured in fluid communication, and by the flow direction of oil smoke, smoke deflector 4 is arranged In the upstream of air inlet 1a；In the present embodiment, range hood is European type cooker hood, then smoke deflector 4 is arranged in air inlet 1a's Lower section, outlet housing 2 are arranged at air outlet 1b, and have the ventilation opening 21 with air outlet 1b configured in fluid communication；Non-return valve block 3 is set It sets in the ventilation opening 21 of outlet housing 2 and can rotate to open or close ventilation opening 21 relative to the outlet housing 2.Specifically, lead to Being provided at air port 21 can be fixed in the shaft 22 around the shaft 22 of own axis, non-return valve block 3, and shaft 22 is radial to pass through It is pierced by fan housing 2, non-return valve block 3 is fixed at the ventilation opening 21 of outlet housing 2 by the shaft 22.In order to make non-return valve block 3 from pass Closed state can only open ventilation opening 21 through a rotation direction, can relatively set on 2 inner wall of outlet housing of 22 two sides of shaft It is equipped with upper limit portion and lower limit portion, non-return valve block is made to respectively obtain upper limit and lower limit with respect to the edge of shaft two sides.

The driving mechanism 5 of the present embodiment is arranged on casing 1, and is located at the middle position of 1 foreboard of casing, which is wind The power output end of machine outer cover, the driving mechanism 5 is connected with smoke deflector 4 and non-return valve block 3 simultaneously, and the driving mechanism 5 is to drive Dynamic smoke deflector 4 rotates in ventilation opening 21 relative to the change in location and the non-return valve block 3 of driving of air inlet 1a, so that synchronous open Or close above-mentioned air inlet 1a and ventilation opening 21.Above-mentioned driving mechanism 5 includes motor 51 and to drive on smoke deflector 4 The transmission component 52 of lower movement, the opposite sides of casing 1 are equipped with connecting rod 53, power intake and the motor 51 of transmission component 52 Output end is connected, and the power output end of transmission component 52 is connected with the upper end of connecting rod 53, and the lower end of connecting rod 53 is connected with smoke deflector 4 It connects.

The one end that shaft 22 in the present embodiment exposes to except outlet housing 2 is connected with connecting rod 53, specifically, shaft It is relatively fixed on 22 one ends exposed to except outlet housing 2 to have and vertically be set around the turntable 23 of own axis, turntable 23 It sets, and the axis of the turntable 23 and the axis of shaft 22 coincide, is provided on turntable 23 to pull the turntable 23 to rotate Drawstring 24, turntable 23 are connected by drawstring 24 with the connecting rod 53 of respective side.

Above-mentioned drawstring 24 is fixedly connected by connector 26 with 53 phase of connecting rod of respective side, and the first of the drawstring 24 is certainly It is fixed on turntable 23 by end 241 and the second free end 242 interval, in the present embodiment, is offered respectively on the top of casing 1 The perforation that the first free end 241 and the second free end 242 for drawstring 24 are pierced by, and in order to protect drawstring, 24 housing of drawstring Equipped with casing 25, casing 25 is fixed on casing 1.Specifically, drawstring 24 is in the part of its neighbouring the first free end 241 and neighbouring The part of its second free end 242 is arranged with casing 25, and casing 25 is fixed on the corresponding position of casing 1.

In the case where range hood is in running order, the first free end 241 of drawstring 24 pulls turntable 23 to rotate forward, and leads to Crossing shaft 22 drives non-return valve block 3 to rotate relative to outlet housing 2, to keep ventilation opening 21 in the open state；At range hood Under off working state, the second free end 242 of drawstring 24 pulls turntable 23 to rotate backward, and drives check (non-return) valve by shaft 22 Piece 3 rotates relative to outlet housing 2 and is in close state ventilation opening 21, alternatively, not according to the above-mentioned setting limited up and down Together, can also be cooperated using reversed pulling mode, it is only necessary to realize and be realized when pulling one of free end of drawstring Ventilation opening is opened, and realizes that ventilation opening is closed when pulling another free end of drawstring.

Above-mentioned transmission component 52 includes screw rod 522, nut 523, guide rail 521 and connecting plate 524, wherein screw rod 522 is vertically arranged, and is connected with the output shaft of motor 51；Specifically, screw rod 525 is installed on the output shaft of motor 51, The transmission gear 526 for being coaxially disposed and rotating synchronously with screw rod 522, transmission gear 526 are installed on the end of screw rod 522 It is meshed with screw rod 525.

Nut 523 is mounted on screw rod 522, at least two, guide rail 521 and the two sides for being set to casing 1；Connecting plate 524 It to connect two connecting rods 53, and is mounted on nut 523, and the two sides of the connecting plate 524 are slidably matched with guide rail 521, from And connecting rod 53 drives the opposite rail 521 under the driving of screw rod 522 of smoke deflector 4 to move up and down.

Claims (8)

1. a kind of range hood with outlet housing, includes

Casing (1), air inlet (1a) and air outlet (1b) with configured in fluid communication；

Outlet housing (2) is arranged at air outlet (1b), and has the ventilation opening (21) with air outlet (1b) configured in fluid communication；

Non-return valve block (3) is arranged in the ventilation opening (21) of outlet housing (2) and can rotate to open relative to the outlet housing (2) Or close the ventilation opening (21)；And

Smoke deflector (4) is arranged by oil smoke flow direction in the upstream of shell air inlet (1a)；

It is characterized by also including have

Driving mechanism (5), power output end are connected with smoke deflector (4) and non-return valve block (3) simultaneously, so that cigarette is led in synchronous driving Change in location and driving non-return valve block (3) ventilation opening (21) in rotation of the plate (4) relative to air inlet (1a).

2. the range hood according to claim 1 with outlet housing, it is characterised in that: smoke deflector (4) setting In the lower section of shell air inlet (1a), the driving mechanism (5) includes motor (51) and to drive smoke deflector (4) to transport up and down The opposite sides of dynamic transmission component (52), the casing (1) is equipped with connecting rod (53), the power output of the transmission component (52) End is connected with the upper end of connecting rod (53), and the lower end of the connecting rod (53) is connected with smoke deflector (4).

3. the range hood according to claim 2 with outlet housing, it is characterised in that: be arranged at the ventilation opening (21) Having can be fixed in the shaft (22) around the shaft (22) of own axis, the non-return valve block (3), shaft (22) diameter To the outlet housing (2) are run through, and the shaft (22) exposes to the end except outlet housing (2) and the connecting rod (53) phase Connection.

4. the range hood according to claim 3 with outlet housing, it is characterised in that: the shaft (22) exposes to out End except fan housing (2) is equipped with the turntable (23) for being coaxially disposed and rotating synchronously with shaft (22), and the turntable (23) is perpendicular The drawstring (24) to pull the turntable (23) to rotate is provided with to setting, and on the turntable (23), the turntable (23) passes through The drawstring (24) is connected with the connecting rod (53).

5. the range hood according to claim 4 with outlet housing, it is characterised in that: the drawstring (24) and respective side Connecting rod (53) be mutually fixedly connected, and the first free end (241) of the drawstring (24) and the second free end (242) interval be fixed on On the turntable (23), in the case where range hood is in running order, the first free end (241) of the drawstring (24) pulls turntable (23) it rotates forward and keeps ventilation opening (21) in the open state；In the case where the range hood is in off working state, the drawing The second free end (242) of rope (24) pulls turntable (23) to rotate backward and be in close state ventilation opening (21).

6. with the range hood of outlet housing according to any one of claim 2 to 5 claim, it is characterised in that: The transmission component (52) includes

Screw rod (522), it is vertically arranged, and be connected with the output shaft of motor (51)；

Nut (523) is mounted on the screw rod (522)；

Guide rail (521), at least two and be set to the casing (1) two sides；And

Connecting plate (524) to connect two connecting rods (53), and is mounted on the nut (523), and the connecting plate (524) Two sides be slidably matched with guide rail (521).

7. the range hood according to claim 6 with outlet housing, it is characterised in that: the output in the motor (51) Screw rod (525) are installed on axis, are equipped on the end of the screw rod (522) and screw rod (522) coaxial arrangement and synchronous turn Dynamic transmission gear (526), the transmission gear (526) are meshed with screw rod (525).

8. the range hood according to claim 4 with outlet housing, it is characterised in that: be arranged with outside the drawstring (24) Casing (25), described sleeve pipe (25) are fixed on the casing (1).