CN109506277A - A kind of transfer tube of range hood - Google Patents

Abstract

The present invention provides a kind of transfer tubes of range hood, belong to cooking apparatus technical field.This transfer tube includes the pump housing, runner and the control cover between the pump housing and runner, there is air inlet and venthole on the pump housing, air inlet is connected to the inner cavity of the pump housing with venthole, the spray holes one communicated with the inner cavity of the pump housing are also provided on the pump housing, there is an evacuation notch, control cover is rotatably connected on runner on control cover；The rotation of control cover can select the connection of a barrier air inlet and pump housing inner cavity or the connection of barrier spray holes one and pump housing inner cavity, air inlet are communicated with pump housing inner cavity always.The present invention has many advantages, such as the function that can be had both air-breathing He draw water.

Description

A kind of transfer tube of range hood

Technical field

The invention belongs to cooking apparatus technical fields, are related to a kind of transfer tube of range hood.

Background technique

Currently, well known kitchen ventilator type is more, it is generally all mounted on the surface of kitchen gas stove, utilizes exhausting Motor is rotated to produce negative pressure in kitchen ventilator, so that is generated in the waste and cooking process of gas-cooker burning is harmful to the human body Oil smoke be inhaled into and be discharged to outdoor, achieve the effect that suction, mist extractor, purify kitchen environment.Since kitchen ventilator is mainly used for Suction, discharge oil smoke, have grease stain on body, need periodically finely to be cleaned, time-consuming and laborious.

Existing kitchen ventilator is generally existing following insufficient: 1, being rotated due to kitchen ventilator using motor driven wind wheel, make cooking stove Negative pressuren zone is formed in the certain spatial dimension in top, to soot gas be sucked inside kitchen ventilator, the absorption logical circulation road of oil smoke Diameter still breathes oil smoke by the space above gas stove, user；2, it needs to cooperate flue, the oil smoke of absorption is divided From rear, flue gas is expelled to flue, with the accumulation of time, flue is easy blocking, and the setting of flue occupies the interior space, The connection of flue and kitchen ventilator needs long smoke pipe, and not only influence is beautiful, but also wasting space.3, through excessive after oil smoke absorption From a large amount of grease of accumulation, needs periodic cleaning in kitchen ventilator.

With the development of science and technology, some kitchen ventilators are also equipped with disassembly and wash free feature, sprayed using it is arranged in internal The device for penetrating high pressure-temperature water flow is rinsed, and reaches a certain level automatic cleaning action, and still, cleaning is only limitted to kitchen ventilator Inside, and whole positions accumulated there may be oil smoke can not be cleaned, moreover, in the process of cleaning, due to useless Oil accumulates into dirt, and steam clean also not necessarily can be fully erased, along with existing extractor hood structure is complicated, connects flue Smoke pipe, the isostructural presence of strainer, cleaning process is time-consuming and laborious.

Summary of the invention

In view of the above problems existing in the prior art, the purpose of the present invention is to provide a kind of transfer tube of range hood, The technical problem to be solved by the present invention is to how make the existing air suction function of transfer tube, also there is pumping function, in order to its realization The air-breathing of range hood works and reverse cleaning.

Object of the invention can be realized by the following technical scheme: a kind of transfer tube of range hood, which is characterized in that This transfer tube includes the pump housing, runner and the control cover between the pump housing and runner, has air inlet and outlet on the pump housing Hole, the air inlet are connected to the inner cavity of the pump housing with venthole, are also provided with the spray communicated with the inner cavity of the pump housing on the pump housing Mist hole one, the control, which is covered, has an evacuation notch, and the control cover is rotatably connected on runner；The rotation of the control cover The connection of a barrier air inlet and pump housing inner cavity or the connection of barrier spray holes one and pump housing inner cavity can be selected, the air inlet begins It is communicated eventually with pump housing inner cavity.

When range hood is in normal operating conditions, rotation control cover makes air inlet be connected to pump housing inner cavity, venthole connection Pump housing inner cavity, runner rotate forward, and control solenoid valve makes the inner end of partition upward, the oil smoke air-flow at strainer successively by collection tobacco pipe and Pump housing inner cavity, and enter in water tank, the water for being mixed with oil smoke is sprayed onto casing inner wall by high-pressure nozzle, cleans casing inner wall sum aggregate cigarette Sewage after cover inner wall is discharged through drainpipe；

When range hood is under cleaning state, rotation control cover makes spray holes one be directed at spray holes two, and make in the pump housing Chamber and spray holes two control solenoid valve to logical, make the inner end direction of partition, control runner reversion, make in water tank clean water from It is sprayed at spray holes two on strainer lateral surface, at the same time, cover board is made to close smoke collecting port.

Under cleaning state, other than it can be cleaned to strainer, additionally it is possible to transfer tube, air inlet, venthole etc. Reverse cleaning is carried out, while can also detach the sewage of water tank bottom accumulation.

After the every task of range hood, cover board is closed, that is, starts the reverse cleaning program of range hood, makes range hood Always clean conditions are in, achieve the purpose that manpower-free cleans.

In a kind of transfer tube of above-mentioned range hood, one is slidably connected along runner axis direction on the pump housing and is slided It covers, the Attraction block of the intrinsic irony in the outer end of the sliding sleeve, is fixedly installed an installation being located at outside sliding sleeve on the pump housing Cylinder, the mounting cylinder is interior to have an armature block, is arranged with hot-wire coil in the armature block, connects between the mounting cylinder and sliding sleeve It is connected to a reset spring, there is a driving cylinder on the control cover, the sliding sleeve is set on driving cylinder, the sliding sleeve and driving It is threadedly coupled between cylinder.

This structure is the control structure of control two extreme positions of cover, by magnetic-adsorption sliding sleeve, makes to draw outside sliding sleeve, and Control cover is driven to rotate by a certain angle, after hot-wire coil power-off, reset spring drives control cover to return to original state.

In a kind of transfer tube of above-mentioned range hood, have several corresponding with spray holes one on the control cover Orifice.

Detailed description of the invention

Fig. 1 is the front view of this range hood.

Fig. 2 is the cross-sectional view that this range hood is under normal operating conditions.

Fig. 3 is the cross-sectional view that this range hood is under cleaning state.

Fig. 4 is the structural schematic diagram of strainer in this range hood.

Fig. 5 is the enlarged drawing of part A in Fig. 2.

Fig. 6 is the enlarged drawing of part B in Fig. 3.

Fig. 7 is the sectional view of transfer tube.

In figure, 1, casing；11, water tank；12, high-pressure nozzle；2, exhaust fume collecting hood；21, smoke collecting port；22, throat；23, collect tobacco pipe； 24, drainpipe；3, strainer；31, partition；32, bull stick；33, control-rod；34, solenoid valve；35, jack；4, transfer tube；41, it pumps Body；42, runner；43, control cover；44, air inlet；45, venthole；46, spray holes one；47, spray holes two；48, notch is avoided； 49, orifice；51, sliding sleeve；52, Attraction block；53, mounting cylinder；54, armature block；55, reset spring；56, cylinder is driven；6, cover board.

Specific embodiment

Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described, However, the present invention is not limited to these examples.

As shown in Figure 1, Figure 2 and Figure 3, this range hood includes casing 1 and exhaust fume collecting hood 2, and exhaust fume collecting hood 2 is flat box Structure, exhaust fume collecting hood 2 is parallel with wall, and the lateral surface of exhaust fume collecting hood 2 has the smoke collecting port 21 parallel with metope, and casing 1 is located at collection cigarette The top of cover 2, the inner cavity of casing 1 are communicated with the inner cavity of exhaust fume collecting hood 2, and a strainer 3, the upper end of strainer 3 are provided at smoke collecting port 21 Edge is tilted to the medial surface of exhaust fume collecting hood 2, and the upper end of strainer 3 is located at the intersection of 2 inner cavity of exhaust fume collecting hood Yu 1 inner cavity of casing, collection The intersection of 2 inner cavity of petticoat pipe and 1 inner cavity of casing forms a throat 22, is provided with a transfer tube 4, the air inlet of transfer tube 4 in casing 1 One collection tobacco pipe 23 of the connection of hole 44, collection tobacco pipe 23 are located at throat 22；A water tank 11, the venthole of transfer tube 4 are provided in casing 1 45 are located at 11 bottom of water tank；Having heaters is set in water tank 11, and water tank 11 connects water source, is provided between water tank 11 and casing 1 Water in water tank 11 can be sprayed onto the high-pressure nozzle 12 on 1 inner wall of casing by several；The bottom of exhaust fume collecting hood 2, which is provided with, to incite somebody to action The drainpipe 24 for the waste water discharge that 2 bottom of exhaust fume collecting hood is accumulated；It is formed at an oil smoke between 3 three of casing 1, exhaust fume collecting hood 2 and strainer Manage chamber.

By the way of this range hood is inhaled using side, changes the oil smoke path of traditional range hood, make oil smoke path far from stove Operating area above platform reduces injury of the oil smoke to human body.

This range hood uses the oil smoke processing mode of thermosol formula, is pumped down to oil smoke in water tank 11, then again by high pressure Spray head 12 is sprayed onto 1 inner wall of casing, is discharged after 2 inner wall of 1 inner wall of casing and exhaust fume collecting hood from drainpipe 24.

The main component of kitchen fume is aldehyde, ketone, hydrocarbon, fatty acid, alcohol, aromatic compound, ketone, lactone, heterocyclic compound Object etc., although moieties cannot be dissolved in water, 2 bottom of exhaust fume collecting hood can be expelled to after high temperature and pressure with clear water, and It is discharged by drainpipe 24；Water tank 11 connect water source, and continue provide clean water, clean water mixed with oil smoke after in oil smoke processing chamber Oil smoke, is not only discharged, but also can clean to casing 1,2 inner wall of exhaust fume collecting hood with water, compares water by interior formation water circulation For curtain smoke abatement mode, this structure is not necessarily to flue, and small-bore exhaust pipe is arranged above water tank 11, and oil smoke passes through high temperature clear water Filtered clean gas still from strainer 3 return, only, due to high-pressure nozzle 12 water spray act on, make oil smoke processing chamber The interior circulation cycle for forming annular, air-flow also with the passage rate of the circulation, make clean gas that strainer be discharged from the bottom of strainer 3 Except 3, portion gas, which is adsorbed to herein in water tank 11, carries out secondary cleaning, so recycles, enable impurity in oil smoke by Water mixing, and have the discharge of drainpipe 24.

Since this range hood is not necessarily to flue, it can greatly reduce the volume of range hood, without connecting the suction of flue It is independent to make its good appearance, and saves space for the smoke pipe of kitchen ventilator.

The water supply of water tank 11, the draining of 2 bottom of exhaust fume collecting hood, are routine techniques, can by process control its supply water and The rule and condition of draining, it will not be described here.

As shown in Figure 2 and Figure 4, the partition 31 of strainer 3 including several cross direction profiles, each partition 31 are parallel to each other, each every The middle part of piece 31 is respectively and fixedly provided with a bull stick 32, and the both ends of bull stick 32 are rotatably connected on the exhaust fume collecting hood 2 where 21 edge of smoke collecting port, Each partition 31 is also connected with a control-rod 33, and control-rod 33 is vertical with partition 31, and control-rod 33 and the inner end of partition 31 are hinged, control The upper and lower ends of bar 33 processed pass through the solenoid valve being arranged on exhaust fume collecting hood 2 34 respectively and control.

Jack 35 corresponding with the upper and lower ends of control-rod 33 respectively is provided on exhaust fume collecting hood 2, solenoid valve 34 is located at jack 35 bottoms, the both ends of control-rod 33 are that ferrous material is made；Two extreme positions of control-rod 33 make the interior of partition 31 respectively End is in heeling condition directed downwardly in the inner end of heeling condition or partition 31 upward.Strainer 3 uses shutter structure, by several Equally distributed partition 31 forms, the inner end of partition 31 upward when, strainer 3 be in air-suction state, the i.e. state of absorption oil smoke, position Suction function at pharyngeal collection tobacco pipe 23, be discharged the oil smoke entered in exhaust fume collecting hood 2 can not from strainer 3 again, and The path of oil smoke has been complied at the direction of partition 31 and inclination angle, enters flue gas smoothly in exhaust fume collecting hood 2.The upper end of strainer 3 is to collection The inside of the upper end of petticoat pipe 2 tilts, and the water flow of 2 top of exhaust fume collecting hood be discharged will not except strainer 3.The inner end of partition 31 is upward When, range hood is in normal operating conditions, when the inner end of partition 31 downward when, range hood is in cleaning state.

The junction of casing 1 and exhaust fume collecting hood 2 is hinged with a cover board 6, and cover board 6 can close smoke collecting port 21.Work as range hood When in normal operating conditions, cover board 6 is swung up, and it is made to open smoke collecting port 21, and cover board 6 is fixed on casing 1, is increased and is inhaled The bore of cigarette concentrates on oil smoke near strainer 3.When range hood is in cleaning state, cover board 6 makes it to lower swing Smoke collecting port 21 is closed, so that cover board 6, exhaust fume collecting hood 2 and casing 1 is formed closed cavity, strainer 3 is also in the cavity, is being carried out When cleaning, sewage is avoided to be discharged except range hood, while also improving cleaning efficiency and cleaning effect.

Being detachably connected of cover board 6 and casing 1, cover board 6 and being detachably connected for exhaust fume collecting hood 2 belong to conventional structure, such as The buckle that is arranged on cover board 6 and casing 1, the card slot on exhaust fume collecting hood 2 are set etc..

Cover board 6 is made of muti-piece panel, hinged between adjacent panels.The multi-segment structure of cover board 6 can reduce the pass of cover board 6 Space needed for swing when closed set mouth 21 and opening smoke collecting port 21, while 6 stretching can be also rotated the cover as needed Length is detachably connected between adjacent cover board 6 also by card slot and buckle structure realization.

As shown in Figure 5 and Figure 6, transfer tube 4 includes the pump housing 41, runner 42 and the control between the pump housing 41 and runner 42 Cover 43, air inlet 44 is connected to the inner cavity of the pump housing 41 with venthole 45, is also provided on the pump housing 41 and communicates with the inner cavity of the pump housing 41 Spray holes 1, the pump housing 41 is fixed on casing 1, and spray holes 2 47 corresponding with spray holes 1 are provided on casing 1, controls There is an evacuation notch 48, control cover 43 is rotatably connected on runner 42 on system cover 43；Control cover 43 rotation can select one every Keep off air inlet 44 and the connection of 41 inner cavity of the pump housing or the connection of barrier spray holes 1 and 41 inner cavity of the pump housing, air inlet 44 always with 41 inner cavity of the pump housing communicates；There are several orifices 49 corresponding with spray holes 1 on control cover 43.

As shown in figures 2 and 5, when range hood is in normal operating conditions, rotation control cover 43 makes the connection pump of air inlet 44 41 inner cavity of body, venthole 45 connect 41 inner cavity of the pump housing, and runner 42 rotates forward, and control solenoid valve 34 makes the inner end of partition 31 upward, filter Oil smoke air-flow at net 3 enters in water tank 11 successively by collection tobacco pipe 23 and 41 inner cavity of the pump housing, and high-pressure nozzle 12 will be mixed with The water of oil smoke is sprayed onto 1 inner wall of casing, and the sewage after cleaning 1 inner wall of casing and 2 inner wall of exhaust fume collecting hood is discharged through drainpipe 24；

As shown in Figure 3 and Figure 6, when range hood is under cleaning state, rotation control cover 43 is directed at spray holes 1 Spray holes 2 47, and keep 41 inner cavity of the pump housing logical with 2 47 pairs of spray holes, solenoid valve 34 is controlled, the inner end direction of partition 31 is made, or Person controls solenoid valve, makes intermittent its inclination angle of changes of partition, and control runner 42 inverts, and makes in water tank 11 clean water from being sprayed It is sprayed at hole 2 47 on 3 lateral surface of strainer, at the same time, cover board 6 is made to close smoke collecting port 21.

Under cleaning state, other than it can be cleaned to strainer 3, additionally it is possible to transfer tube 4, air inlet 44, outlet Holes 45 etc. carry out reverse cleaning, while can also detach the sewage of 11 bottom of water tank accumulation.

After the every task of range hood, cover board 6 is closed, that is, starts the reverse cleaning program of range hood, makes fume-exhausting Machine is in clean conditions always, achievees the purpose that manpower-free cleans.

As shown in fig. 7, slidably connecting a sliding sleeve 51 along 42 axis direction of runner on the pump housing 41, the outer end of sliding sleeve 51 is intrinsic The Attraction block 52 of one irony is fixedly installed a mounting cylinder 53 being located at outside sliding sleeve 51 on the pump housing 41, has in mounting cylinder 53 One armature block 54 is arranged with hot-wire coil in armature block 54, a reset spring 55 is connected between mounting cylinder 53 and sliding sleeve 51, controls There is a driving cylinder 56, sliding sleeve 51 is set on driving cylinder 56, is threadedly coupled between sliding sleeve 51 and driving cylinder 56 on system cover 43.This One structure is the control structure of control 43 two extreme positions of cover, by magnetic-adsorption sliding sleeve 51, makes to draw outside sliding sleeve 51, and drive Control cover 43 rotates by a certain angle, and after hot-wire coil power-off, reset spring 55 drives control cover 43 to return to original state.

Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.

Claims (3)

1. a kind of transfer tube of range hood, which is characterized in that this transfer tube include the pump housing (41), runner (42) and be located at the pump housing (41) the control cover (43) between runner (42) has air inlet (44) and venthole (45) on the pump housing (41), described Air inlet (44) is connected to the inner cavity of the pump housing (41) with venthole (45), is also provided on the pump housing (41) and the pump housing (41) The spray holes one (46) that inner cavity communicates, the control, which is covered on (43), has evacuation notch (48), control cover (43) rotation It is connected on runner (42)；The rotation of the control cover (43) can select the company of a barrier air inlet (44) Yu the pump housing (41) inner cavity Logical or barrier spray holes one (46) and the pump housing (41) inner cavity connections, the air inlet (44) always with the pump housing (41) inner cavity phase It is logical.

2. a kind of transfer tube of range hood according to claim 1, which is characterized in that along runner on the pump housing (41) (42) axis direction slidably connects a sliding sleeve (51), the Attraction block (52) of the intrinsic irony in outer end of the sliding sleeve (51), institute It states and is fixedly installed one on the pump housing (41) and is located at the mounting cylinder (53) of sliding sleeve (51) outside, there is a rank in the mounting cylinder (53) Iron block (54) is arranged with hot-wire coil on the armature block (54), is connected with one between the mounting cylinder (53) and sliding sleeve (51) Reset spring (55), the control, which is covered on (43), has driving cylinder (56), and the sliding sleeve (51) is set in driving cylinder (56), It is threadedly coupled between the sliding sleeve (51) and driving cylinder (56).

3. a kind of transfer tube of range hood according to claim 1 or claim 2, which is characterized in that have on the control cover (43) There are several orifices (49) corresponding with spray holes one (46).