CN108800238B - Internal circulation range hood - Google Patents
Internal circulation range hood Download PDFInfo
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- CN108800238B CN108800238B CN201710294340.3A CN201710294340A CN108800238B CN 108800238 B CN108800238 B CN 108800238B CN 201710294340 A CN201710294340 A CN 201710294340A CN 108800238 B CN108800238 B CN 108800238B
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- air duct
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- 239000007789 gas Substances 0.000 claims abstract description 61
- 238000005034 decoration Methods 0.000 claims abstract description 34
- 238000009434 installation Methods 0.000 claims abstract description 30
- 239000003517 fume Substances 0.000 claims abstract description 6
- 108091006146 Channels Proteins 0.000 claims description 38
- 238000010926 purge Methods 0.000 claims description 16
- 238000005452 bending Methods 0.000 claims description 14
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000000746 purification Methods 0.000 description 12
- 239000000779 smoke Substances 0.000 description 7
- 238000010411 cooking Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241000276425 Xiphophorus maculatus Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Separating Particles In Gases By Inertia (AREA)
- Ventilation (AREA)
Abstract
The invention belongs to the field of range hoods, and particularly relates to an internal circulation range hood which can purify oil fume into purified gas, wherein the range hood comprises a collecting and guiding device for collecting and guiding out the purified gas from the range hood, the collecting and guiding device comprises a mounting hanging plate, a decoration cover and a collecting structure arranged in the decoration cover, and the decoration cover and the collecting structure are fixedly connected with the mounting hanging plate to jointly enclose and synthesize the collecting and guiding device; (2) in the installation, need not adopt unnecessary screw and wall connection, just can realize decorating the hanging of cover and collection structure.
Description
Technical Field
The invention belongs to the field of range hoods, and particularly relates to an internal circulation range hood.
Background
The range hood is a kitchen appliance for purifying the kitchen environment. The kitchen ventilator is arranged above a kitchen stove, can rapidly pump away waste burnt by the stove and oil fume harmful to human bodies generated in the cooking process, and exhaust the waste and the oil fume to the outside, reduces pollution, purifies air, and has the safety guarantee effects of gas defense and explosion prevention. The range hood has become indispensable kitchen equipment of modern family. The oil smoke generated in cooking contains a lot of substances harmful to human bodies, and if people work in a room filled with the oil smoke for a long time, a lot of diseases can be caused. At present, the range hoods are of various types, and the plate type range hood is one of the range hoods, and is mainly divided into an internal circulation plate type range hood and an external discharge plate type range hood.
The working principle of the internal circulation flat plate type range hood is that the generated oil fume gas is treated by a separator, a filter layer and a purification group, enters a collection and guide device through an air pipe, and returns to the indoor through a purified gas outlet on a decoration cover.
The working principle of the outward-discharging flat plate type range hood is that generated oil fume is separated and then is directly discharged outdoors through a universal air pipe connected to a common flue, so that a purified gas collecting and guiding device is not needed. The decoration cover is installed only by directly hanging the decoration cover on the installation hanging plate.
At present, the installation mode of a decorative cover of a flat-plate type range hood is as follows: after the mounting hanging plate is fixed, the decoration cover is hung on the mounting hanging plate. Particularly, after the decoration cover hanging plate is fixed, when the decoration cover is pulled out to be hung upwards, the interior decoration cover is provided with inward flanges, so that the interior decoration cover can be interfered to be hung, and an installer needs to stretch the interior decoration cover outwards to hang the interior decoration cover. This not only causes inconvenience in installation but also may cause slight deformation of the interior trim cover; meanwhile, for the internal circulation flat plate type range hood, the installation scheme of the decorative cover is not applicable any more due to the addition of the collecting and guiding device, and the design of the decorative cover suitable for the internal circulation flat plate type range hood and the collecting and guiding device of purified gas is a problem to be solved urgently.
The present invention has been made in view of this situation.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art, and provide an internal circulation range hood, which realizes that (1) purified gas is collected and guided out of the range hood by fixedly connecting a decoration cover and a collection structure with a mounting hanging plate to form a collection and guide-out device, so that the decoration cover and the collection structure are simultaneously hung, the length of a dimension chain is reduced, the accumulated tolerance of the dimension chain is reduced, and the assembly accuracy is higher; (2) in the installation process, the decoration cover and the collection structure can be hung without adopting redundant screws to be connected with the wall, (3) the decoration cover, the collection structure and the installation hanging plate are enclosed together to form a collection cavity, so that the integration is high, and the installation is more compact; (4) the side plate of the decorative cover is connected with the mounting hanging plate, and the screw is screwed in from the side face, so that the decorative cover is convenient to mount.
In order to solve the technical problems, the invention adopts the technical scheme that:
the utility model provides an inner loop range hood, inner loop range hood can become the oil smoke purification gas with the oil smoke purification, and range hood is including being used for collecting the collection guiding device who leads range hood with the oil smoke purification, collect the guiding device including installing the link plate, decorating the cover and setting up the collection structure in decorating the cover, decorate the cover with collect the structure all with installation link plate fixed connection encloses jointly and synthesizes collection guiding device.
A collecting cavity is arranged in the collecting and guiding device, the decoration cover and the collecting structure are assembled with the mounting hanging plate to form the collecting cavity, and a purified gas inlet and a purified gas outlet which are communicated with the collecting cavity are arranged on the collecting and guiding device;
preferably, the axis of the purge gas inlet and the axis of the purge gas outlet are not collinear.
Collect the structure and assemble with the installation link plate and form the exhaust wind channel of guide purification gas, the wind channel has purification gas entry and wind channel export, it has the decorative board relative with the wind channel export to decorate the cover, it makes the decorative board with the assembly of installation link plate will the wind channel export is closed to be formed collection chamber, purify the gas export and set up on the decorative board and with the wind channel export is relative.
The collecting structure is a tubular air channel formed by enclosing side walls, a mounting opening and a purified gas inlet are formed in the side walls of the tubular air channel, the mounting hanging plate is assembled with the mounting opening and seals the mounting opening, and air channel outlets are formed in two ends of the tubular air channel;
preferably, the collecting structure is a rectangular tubular air duct formed by enclosing four plates, the two ends of the tubular air duct are air duct outlets, and the purified air inlet is formed in the plate and faces downwards.
The mounting hanging plate comprises a first protruding part assembled with the collecting structure, the edge of the mounting opening is matched with the first protruding part, and the collecting structure is assembled on the mounting hanging plate to form an air duct by the assembly of the first protruding part and the edge of the mounting opening;
preferably, the first protrusion is connected to an edge of the mounting opening by a third link, and a thickness of the first protrusion in an axial direction of the third link is not less than a length of the third link.
The installation link plate includes the backplate of the rectangular shape of being connected with the wall, the both ends of backplate all extend to the direction of keeping away from the wall earlier and form the extension segment, and the both ends bending type becomes the bending segment again respectively, extension segment and bending segment form first bulge jointly, the installing port with first bulge matches and seals the installing port.
The mounting opening of the collecting structure is an opening which penetrates through the tubular air duct in the axial direction, the edge of one side of the opening integrally extends towards the inner side of the collecting structure and then is bent towards the other side of the opening to form a step platform, the middle part of the edge of the other side of the opening extends towards the wall direction to form a second protruding part, the end part extends towards the opening direction to form a mounting plate, and the first protruding part is assembled with the mounting plate;
preferably, the length of the second protruding part extending to the inner side of the collecting structure and the length of the step platform extending to the inner side of the collecting structure are the same as the length of the extending part of the mounting hanging plate, and the length of the second protruding part is equal to the length of the back plate of the mounting hanging plate.
The mounting hanging plate further comprises a third protruding portion, a third assembling portion is arranged on the decorative cover, and the third protruding portion is assembled with the third assembling portion to enable the decorative plate to close the air duct outlet to form a collecting cavity.
The edge of the bending section of the mounting hanging plate extends towards the direction far away from the wall to form a third protruding part, the decoration cover is connected with the third protruding part through a fourth connecting piece, and the decoration cover is fixed on the mounting hanging plate.
Decorate the cover including keeping away from the mainboard of wall, the both sides of mainboard to two curb plates of wall direction bending type formation, the wind channel sets up the upper portion of decorating the cover, two wind channel exports in wind channel are relative with both sides board respectively, and the purification gas entry sets up on the wind channel lateral wall and down, decorates all to be equipped with the purification gas export relative with the wind channel export on two curb plates of cover, and the third bulge passes through the assembly of fourth connecting piece with the curb plate, makes two curb plates will collect the closed formation in wind channel export of structure and collect the cavity.
After adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects: (1) the range hood is characterized in that the decorative cover and the collecting structure are fixedly connected with the mounting hanging plate to form a collecting and guiding device together, and purified gas is collected and guided out of the range hood, so that the decorative cover and the collecting structure are simultaneously suspended, the length of a size chain is reduced, the accumulated tolerance of the size chain is reduced, and the assembly accuracy is higher; (2) in the installation process, the decoration cover and the collection structure can be hung without adopting redundant screws to be connected with the wall, (3) the decoration cover, the collection structure and the installation hanging plate are enclosed together to form a collection cavity, so that the integration is high, and the installation is more compact; (4) the side plate of the decorative cover is connected with the mounting hanging plate, and the screw is screwed in from the side face, so that the decorative cover is convenient to mount.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
FIG. 1 is a schematic view of the structure of the hanging plate of the present invention;
FIG. 2 is a schematic view of the structure of the collecting device of the present invention;
FIG. 3 is a schematic view of the construction of the trim cover of the present invention;
FIG. 4 is a schematic view of the assembled structure of the hanging panel, the collecting device and the decorative cover of the present invention;
FIG. 5 is an enlarged view of the portion B of FIG. 4 according to the present invention.
In the figure: 1. the mounting hanging plate 2, the first protruding portion 3, the third connecting piece 4, the back plate 5, the extending portion 6, the bending portion 7, the third protruding portion 10, the collecting structure 11, the purified air inlet 12, the upper plate 13, the lower plate 14, the front side plate 15, the back side plate 16, the mounting opening 17, the step platform 18, the second protruding portion 19, the second mounting plate 20, the air duct 23, the left air duct outlet 24, the right air duct outlet 40, the collecting cavity 100, the decorative cover 101, the purified air outlet 102, the decorative plate 103, the third assembling portion 104, the main plate 105 and the side plates.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
Example one
As shown in fig. 1-5, an inner loop range hood, inner loop range hood can purify the oil smoke into the gas that purifies, and range hood is including being used for collecting the gas that purifies and deriving range hood's collection guiding device, collect the guiding device including installing link plate 1, decorating cover 100 and setting up the collection structure 10 in decorating cover 100, decorate cover 100 and collect structure 10 all with installation link plate 1 fixed connection encloses jointly and synthesizes collection guiding device.
In the embodiment, the internal circulation range hood is installed on a wall as an example, wherein the internal circulation range hood may also be installed on a cabinet or a support frame.
Be equipped with purification structure in the inner loop range hood, can handle the oil smoke and obtain the purified gas, the purified gas is collected and is guided its exhaust range hood through collecting the eduction gear, because the purified gas after the purification has harmless to the human body, can discharge it into indoor.
Installation link plate 1 is used for being connected with the wall, through will decorate cover 100 and collect structure 10 all with installation link plate 1 fixed connection encloses the synthesis and collects the guiding device jointly, consequently, this structure has realized decorating the hanging of cover 100 and collection structure 10, has saved the trouble of hanging alone on the wall, has reduced the quantity in hole on the wall, and is more pleasing to the eye, decorate cover 100 simultaneously and collect structure 10 all with installation link plate 1 is fixed encloses the synthesis jointly and collects the guiding device, realizes collecting and deriving the gas that purifies, in addition, decorate cover 100 and collect structure 10 all with installation link plate 1 is fixed integrate higher, practices thrift the cost.
Further, it collects chamber 40 to be equipped with in the collection diverting device, decorate cover 100, collect structure 10 and all form with the assembly of installation link plate 1 jointly collect chamber 40, be equipped with on the collection diverting device with collect the chamber 40 intercommunication the purified gas entry 11 and the outlet 101 of purified gas.
The purified gas enters the collection cavity 40 through the purified gas inlet 11 and is discharged through the purified gas outlet 101, so that the collection cavity 40 can play a certain buffering role, and the air flow is more stable.
Further, the axes of the purge gas inlet 11 and the purge gas outlet 101 are not collinear, extending the purge gas path within the collection chamber 40, preventing purge gas from reaching the purge gas outlet 101 directly from the purge gas inlet 11.
Further, collect structure 10 and the assembly of installation link plate 1 and form guide exhaust wind channel 20 of purified gas, wind channel 20 has purified gas entry 11 and wind channel export, it has the decorative board 102 relative with the wind channel export to decorate cover 100, it makes decorative board 102 with the assembly of installation link plate 1 will the wind channel export is closed to be formed collection chamber 40, purified gas export 101 is seted up on the decorative board 102 and with the wind channel export is relative.
The purge gas inlet 11 and the air duct outlet may be provided in one or more numbers. The purge gas inlet 11 and the air duct outlet may be directed upward, forward, backward, or both.
The range hood is generally installed by firstly assembling the installation hanging plate 1 on the wall and then installing other components of the range hood on the installation hanging plate 1. The assembly of the collecting structure 10 and the mounting hanging plate 1 not only realizes the mounting of the collecting structure 10 on the wall, but also enables the collecting structure 10 and the mounting hanging plate 1 to jointly enclose and form an air duct 20 for guiding the purified air to be discharged, and the collected purified air is guided to the purified air outlet 101 through the guiding function of the air duct 20; through decorating cover 100 and the assembly of installation link plate 1, both realized installing decoration cover 100 on installation link plate 1, made wind channel 20 and decoration cover 100 form collection chamber 40 jointly simultaneously again, through set up the purge gas export 101 on decorating cover 100, discharge the purge gas that wind channel 20 guided from purge gas export 101.
Further, collect structure 10 and enclose the tubulose wind channel 20 that closes to form for by the lateral wall, installing port 16 and purified gas entry 11 have been seted up on the lateral wall of tubulose wind channel 20, installation link plate 1 seals installing port 16 with the assembly of installing port 16, the both ends of tubulose wind channel 20 are the wind channel export.
The cross-section of the tubular duct 20 may be circular, rectangular, square, or polygonal.
The tubular air duct 20 enables airflow to pass more stably, and the collecting structure 10 is connected with the mounting hanging plate 1, so that the mounting hole 16 is closed by the mounting hanging plate 1, and purified air is prevented from overflowing; the wind channel export sets up to two, and the purification gas entry 11 sets up to one, and after the purification gas got into the wind channel, it moved to both sides through the reposition of redundant personnel and reachs the wind channel export, and this structure effect is better.
Further, the collecting structure 10 is a rectangular tubular air duct 20 enclosed by four plates, two ends of the tubular air duct 20 are air duct outlets, and the purified air inlet 11 is opened on a side plate 105 of the tubular air duct 20 and faces downward.
Because the purified gas has certain heat, the purified gas can enter conveniently by making the opening of the purified gas inlet 11 face downwards, and the two ends of the tubular air duct 20 are air duct outlets, so that the purified gas can horizontally move in the collecting cavity 40, the density is improved, and then the purified gas is discharged through the purified gas outlet 101.
Further, the mounting hanging plate 1 comprises a first protruding portion 2 assembled with the collecting structure 10, the edge of the mounting opening 16 is matched with the first protruding portion 2, and the assembling of the first protruding portion 2 and the edge of the mounting opening 16 assembles the collecting structure 10 on the mounting hanging plate 1 to form the air duct 20.
By providing the first protruding portion 2, the first protruding portion 2 is detachably connected to the mounting opening 16, and the mounting opening 16 is closed by the first protruding portion 2, so that the purified air is prevented from overflowing and is moved only in the air duct 20.
Further, the first projecting part 2 is connected to the edge of the mounting opening 16 by the third link 3, and the thickness D7 of the first projecting part 2 in the axial direction of the third link 3 is not less than the length D6 of the third link 3.
In order to prevent the third connecting piece 3 from entering the wall or being exposed on the surface, the thickness of the first bulge part 2 in the axial direction of the third connecting piece 3 is not less than the length of the third connecting piece 3, so that the third connecting piece 3 is hidden in the first bulge part 2, and the assembly function is achieved and the appearance is attractive.
Example two
As shown in fig. 1 to 5, the present embodiment is further limited to the first embodiment, and the present embodiment is described in terms of mounting the mounting hanging plate 1 on a wall, the decorative cover 100 and the collecting structure 10 are both connected to the mounting hanging plate 1, the mounting hanging plate 1 includes an elongated back plate 4 connected to the wall, the long side direction of the back plate 4 is the horizontal direction, and the back plate 4 is provided with a threaded hole or a through hole.
If set up to the through-hole, can be rectangular shape through-hole, the major axis direction of through-hole is the horizontal direction, and the screw passes screw hole or through-hole and wall assembly, will install link plate 1 and fix on the wall.
Two tip of backplate 4 on the horizontal direction all extend to the direction of keeping away from the wall earlier and form extension segment 5, bend respectively to both sides and form bending section 6 again, extension segment 5 forms first bulge 2 with bending section 6 jointly, is provided with the screw hole that is used for installing collection structure 10 on bending section 6.
Further, the extension section 5 is perpendicular to the wall, and the bending section 6 is parallel to the wall.
The collecting structure 10 comprises an upper plate 12, a lower plate 13, a front side plate 14 and a rear side plate 105, wherein the upper plate 12, the front side plate 14, the lower plate 13 and the rear side plate 105 are connected at one time to form a tubular air duct 20 with a rectangular cross section, and the intersecting position of the rear side plate 105 and the upper plate 12 is not closed, but a mounting opening 16 is left, so the mounting opening 16 is an opening arranged along the axial direction of the tubular air duct 20, the lower side edge (namely the upper edge of the rear side plate 105) of the mounting opening 16 integrally extends towards the inner side of the collecting structure 10 firstly and then bends towards the other side of the opening to form a step platform 17, the step platform 17 is provided with a threaded hole connected with the bending section 6, the middle part of the other side edge (namely the edge of the upper plate 12 close to one side of the wall) of the mounting opening 16 extends towards the wall direction to form a second protruding part 18, the end part extends towards one side of the mounting opening 16 to form a second mounting plate 19, the second mounting plate 19 is parallel to the wall and the bent section 6 of the first projection 2 is assembled with the second mounting plate 19.
The purge gas inlet 11 is opened in the lower plate 13 and is located at a central portion of the lower plate 13.
The tubular air duct 20 is horizontally arranged, the axis is in the horizontal direction, and the pipe openings at the left end and the right end are respectively a left air duct outlet 23 and a right air duct outlet 24.
Further, length D8 of second protruding portion 18 and length D9 of step 17 extending toward the inside of collecting structure 10 are both the same as length D7 of extension 5 of mounting peg board 1, and length D10 of second protruding portion 18 is the same as length D11 of back plate 4 of mounting peg board 1.
The above structure makes the two cooperate to close the mounting opening 16 through the mounting hanging plate 1, so that the air duct 20 only has an air duct outlet as a discharge path of the purified air.
Further, the mounting hanging plate 1 further includes a third protruding portion 7, the decorative cover 100 has a third assembling portion 103, and the third protruding portion 7 and the third assembling portion 103 are connected by a fourth connecting member, so that the decorative plate 102 closes the outlet of the air duct to form the collecting cavity 40.
The edge of the bending section 6 of the mounting hanging plate 1 extends towards the direction far away from the wall again to form a third protruding part 7, the decoration cover 100 is connected with the third protruding part 7 through a fourth connecting piece, and the decoration cover 100 is fixed on the mounting hanging plate 1.
The decorative cover 100 comprises a main board 104 far away from the wall, two sides of the main board 104 are bent towards the wall direction to form a left side board 105 and a right side board 105, a left air duct outlet 23 of the tubular air duct 20 is opposite to the left side board 105, a right air duct outlet 24 is opposite to the right side board 105, a purified air inlet 11 is arranged in the center of a lower board 13 of the collecting structure 10, a purified air outlet 101 is arranged at a position on the left side board 105 opposite to the left air duct outlet 23, a purified air outlet 101 is arranged at a position on the right side board 105 opposite to the right air duct outlet 24, a third assembling portion 103 is a screw hole arranged at the upper parts of the left side board 105 and the right side board 105, and the third protruding portion 7 and the side boards 105 are assembled through a fourth connecting piece, so that the air duct outlets of.
The third bulge 7 is platy, the plate surface is perpendicular to the wall, the fourth connecting piece assembles the third bulge 7 and the side wall of the decoration cover 100 by screws, so that the air duct outlet of the collection structure 10 is closed by the two side plates 105 to form the collection cavity 40, the decoration cover 100 and the installation hanging plate 1 are connected by the third bulge 7 and the side plates 105, and the installation position is arranged on the side surface of the decoration cover, so that the installation is convenient.
The collecting structure 10 is provided at an upper portion of the inside of the trim cover 100 to facilitate the rising of air to be discharged.
The structure is not only suitable for the flat plate type range hood, but also suitable for range hoods with other structures.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (11)
1. An internal circulation range hood can purify oil fume into purified gas, and comprises a collecting and guiding device for collecting and guiding out the purified gas from the range hood, wherein the collecting and guiding device comprises a mounting hanging plate, a decoration cover and a collecting structure arranged in the decoration cover, and the decoration cover and the collecting structure are fixedly connected with the mounting hanging plate to jointly enclose the collecting and guiding device;
the collecting structure is a tubular air channel formed by enclosing side walls, a mounting opening and a purified gas inlet are formed in the side walls of the tubular air channel, the mounting hanging plate is assembled with the mounting opening and seals the mounting opening, and air channel outlets are formed in two ends of the tubular air channel; decorate the cover and have the decorative board relative with the wind channel export, it makes the decorative board with the assembly of installation link plate will the closed formation in wind channel export collects the chamber, be equipped with the export of purified gas on the decorative board, and with the wind channel export is relative.
2. The internal circulation range hood of claim 1, wherein the axis of the purge gas inlet and the axis of the purge gas outlet are not collinear.
3. The range hood as claimed in claim 1, wherein the collecting structure has a rectangular tubular duct formed by four plates, the two ends of the tubular duct are duct outlets, and the clean air inlet is formed on the plate and faces downward.
4. The internal circulation range hood according to claim 1, wherein the mounting plate includes a first protrusion assembled with the collecting structure, an edge of the mounting opening is matched with the first protrusion, and the assembly of the first protrusion and the edge of the mounting opening assembles the collecting structure on the mounting plate to form the air duct.
5. The internal circulation range hood according to claim 4, wherein the first protrusion is connected to the edge of the mounting opening through a third connecting member, and the thickness of the first protrusion in the axial direction of the third connecting member is not less than the length of the third connecting member.
6. The internal circulation range hood of claim 4, wherein the mounting hanging plate comprises an elongated back plate connected to the wall, both ends of the back plate extend in a direction away from the wall to form extension sections, and then bend towards both ends to form bending sections, the extension sections and the bending sections form a first protrusion together, and the mounting opening is matched with the first protrusion to seal the mounting opening.
7. The internal circulation range hood according to claim 4 or 5, wherein the mounting opening of the collection structure is an opening penetrating in the axial direction of the tubular air duct, one side edge of the opening integrally extends to the inner side of the collection structure and then bends to the other side of the opening to form a step, the middle part of the other side edge of the opening extends to the opening direction to form a second protruding part, the end part extends to the inner side of the air duct to form a mounting plate, and the first protruding part is assembled with the mounting plate.
8. The internal circulation range hood according to claim 7, wherein the first protrusion is connected to an edge of the mounting opening through a third connecting member, and a thickness of the first protrusion in an axial direction of the third connecting member is not less than a length of the third connecting member.
9. The internal circulation range hood according to claim 1, wherein the mounting hanging plate further comprises a third protruding portion, the decorative cover is provided with a third assembling portion, and the third protruding portion is connected with the third assembling portion through a fourth connecting piece, so that the decorative plate closes the air duct outlet to form a collecting cavity.
10. The internal circulation range hood according to claim 9, wherein the edge of the bent section of the mounting hanging plate extends in a direction away from the wall to form a third protrusion, and the decoration cover is connected with the third protrusion through a fourth connecting member to fix the decoration cover on the mounting hanging plate.
11. The internal circulation range hood as claimed in claim 9, wherein the decorative cover comprises a main plate far away from the wall, two sides of the main plate are bent toward the wall to form two side plates, the air duct is disposed on the upper portion of the decorative cover, two air duct outlets of the air duct are respectively opposite to the two side plates, a purified air inlet is disposed on the air duct side wall and faces downward, purified air outlets opposite to the air duct outlets are disposed on the two side plates of the decorative cover, and the third protruding portion is assembled with the side plates through a fourth connecting member, so that the two side plates close the air duct outlets of the collecting structure to form the collecting cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710294340.3A CN108800238B (en) | 2017-04-28 | 2017-04-28 | Internal circulation range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710294340.3A CN108800238B (en) | 2017-04-28 | 2017-04-28 | Internal circulation range hood |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108800238A CN108800238A (en) | 2018-11-13 |
| CN108800238B true CN108800238B (en) | 2020-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710294340.3A Active CN108800238B (en) | 2017-04-28 | 2017-04-28 | Internal circulation range hood |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109780608B (en) * | 2019-01-31 | 2020-04-03 | 佛山市顺德区美的洗涤电器制造有限公司 | Smoke exhaust ventilator |
| CN111609440B (en) * | 2019-02-26 | 2022-03-18 | 宁波方太厨具有限公司 | Air outlet device and internal circulation range hood with same |
| CN111878867B (en) * | 2020-07-28 | 2021-11-19 | 宁波方太厨具有限公司 | Air guide box structure and internal circulation range hood applying same |
| CN115164244A (en) * | 2021-04-01 | 2022-10-11 | 芜湖美的厨卫电器制造有限公司 | Fume exhaust fan |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205137601U (en) * | 2015-11-06 | 2016-04-06 | 广东美的厨房电器制造有限公司 | Internal -circulating range hood |
| JP2016133229A (en) * | 2015-01-15 | 2016-07-25 | 富士工業株式会社 | Range hood |
| CN106287876A (en) * | 2015-05-27 | 2017-01-04 | 博西华电器（江苏）有限公司 | Range hood |
| CN206094223U (en) * | 2016-06-17 | 2017-04-12 | 广东万家乐燃气具有限公司 | Prevent range hood device that drops |
| CN206347629U (en) * | 2016-12-30 | 2017-07-21 | 宁波方太厨具有限公司 | A kind of top-sucking kitchen ventilator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104421992A (en) * | 2013-09-02 | 2015-03-18 | 博西华电器（江苏）有限公司 | Shell of range hood, manufacturing method of shell of range hood, and range hood |
| CN206055719U (en) * | 2016-06-04 | 2017-03-29 | 中山市甜美电器有限公司 | It is a kind of can be with the cigarette machine of fast assembling-disassembling |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016133229A (en) * | 2015-01-15 | 2016-07-25 | 富士工業株式会社 | Range hood |
| CN106287876A (en) * | 2015-05-27 | 2017-01-04 | 博西华电器（江苏）有限公司 | Range hood |
| CN205137601U (en) * | 2015-11-06 | 2016-04-06 | 广东美的厨房电器制造有限公司 | Internal -circulating range hood |
| CN206094223U (en) * | 2016-06-17 | 2017-04-12 | 广东万家乐燃气具有限公司 | Prevent range hood device that drops |
| CN206347629U (en) * | 2016-12-30 | 2017-07-21 | 宁波方太厨具有限公司 | A kind of top-sucking kitchen ventilator |
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| CN108800238A (en) | 2018-11-13 |
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