CN118009373A - Air duct reversing system and integrated kitchen - Google Patents

Abstract

The invention relates to the technical field of kitchen appliances and discloses an air duct reversing system and an integrated kitchen range. The fan is slidably inserted in the bottom-mounted air box, and the air outlet of the volute of the fan can be connected with the first ventilation opening or the second ventilation opening, so that the air outlet of the volute is communicated with the smoke exhaust pipeline through the first ventilation opening or the second ventilation opening. When the smoke discharging direction of the fan needs to be changed, the fan is only required to be integrally slid out of the bottom air box, and is integrally slid and inserted into the bottom air box after being turned over by 180 degrees, so that the change of the smoke discharging direction of the fan can be realized, the whole integrated stove does not need to be disassembled, and the reversing speed of the fan is high. In addition, in the sliding insertion mode, when the fan is overhauled and maintained in the later period, the fan can be integrally pulled out of the bottom bellows, so that the assembly and disassembly are convenient, and the maintenance cost is low.

Description

Air duct reversing system and integrated kitchen

Technical Field

The invention relates to the technical field of kitchen appliances, in particular to an air duct reversing system and an integrated kitchen range.

Background

The integrated kitchen range is a kitchen appliance integrating multiple functions of a range hood, a gas stove, a disinfection cabinet, a storage cabinet and the like, and has the advantages of space saving, good fume exhausting effect, energy saving, low consumption, environmental protection and the like.

In the prior art, a range hood is usually arranged in an air box at the rear part of an integrated kitchen, the air box is arranged on a frame of the integrated kitchen, and under the suction action of the range hood, oil smoke enters the air box through an oil smoke inlet channel on a backboard of the integrated kitchen, and is discharged into a public smoke exhaust pipeline. Because the range hood of the integrated kitchen is mostly fixed in the bellows, the fume exhausting direction of the range hood is also fixed, and only one-way fume exhausting can be realized, so that the use of the integrated kitchen is limited to a certain extent. In addition, the range hood is troublesome to disassemble and inconvenient to overhaul and maintain.

Therefore, there is a need for an air duct reversing system and an integrated oven to solve the above problems.

Disclosure of Invention

Based on the problems, the invention aims to provide an air duct reversing system and an integrated stove, which can realize the rapid replacement of the smoke discharging direction of a range hood, and the range hood is convenient to overhaul and maintain.

In order to achieve the above purpose, the invention adopts the following technical scheme:

in one aspect, an air duct reversing system is provided, including:

The box body assembly comprises a bottom air box, wherein the bottom air box comprises an air box bottom plate and an air box coaming, and a first ventilation opening and a second ventilation opening are respectively arranged on two opposite sides of the air box coaming;

The fan is slidably inserted into the bottom-placed air box, and a volute air outlet of the fan can be connected with the first ventilation opening or the second ventilation opening, so that an air outlet of the volute is communicated with a smoke exhaust pipeline through the first ventilation opening or the second ventilation opening.

As the preferable scheme of the air duct reversing system, a first flange plate and a second flange plate are respectively arranged on the air box coaming at the first ventilation opening and the second ventilation opening, the volute air outlet of the fan can be in sliding fit and clamping connection with the first flange plate, and the volute air outlet of the fan can be in sliding fit and clamping connection with the second flange plate.

As the preferable scheme of the air duct reversing system, the first flange plate and the second flange plate are respectively provided with the guide grooves, the volute of the fan is provided with the limiting convex edge at the air outlet, the limiting convex edge can be in sliding connection with the guide grooves of the first flange plate, and the limiting convex edge can be in sliding connection with the guide grooves of the second flange plate.

As the preferable scheme of the wind channel reversing system, the wind box bottom plate is at least provided with one guide rail, the first side surface and the second side surface of the volute of the fan are respectively provided with at least one sliding groove, the guide rail can be in sliding fit with the corresponding sliding groove, so that the fan can be inserted into the bottom wind box in a sliding manner, and the first side surface and the second side surface are respectively two opposite side surfaces of the volute along the wind inlet direction.

As the preferable scheme of the wind channel reversing system, two guide rails are arranged on the wind box bottom plate at intervals, namely a first guide rail and a second guide rail, two sliding grooves are arranged on the first side face and the second side face at intervals, the two sliding grooves are a first sliding groove and a second sliding groove, the first guide rail can be clamped into the first sliding groove and is in sliding fit with the first sliding groove, and the second guide rail can be clamped into the second sliding groove and is in sliding fit with the second sliding groove.

As a preferable scheme of the air duct reversing system, the first guide rail comprises a first guide rail and a second guide rail which are arranged at intervals along the sliding direction of the fan, the second guide rail comprises a third guide rail and a fourth guide rail which are arranged at intervals along the sliding direction of the fan, and ventilation spaces are formed between the first guide rail and the second guide rail and between the third guide rail and the fourth guide rail.

As the preferable scheme of the air duct reversing system, the front side of the bottom-placed air box is provided with the overhaul hole, the overhaul hole is detachably provided with the overhaul plate, the overhaul hole can be blocked by the overhaul plate, the volute of the fan is provided with the handle structure at intervals at one end close to the overhaul hole, and the fan can be driven to slide relative to the guide rail through the handle structure.

As the preferable scheme of the air duct reversing system, the air duct reversing system further comprises a fastening piece, the handle structure comprises a first handle and a second handle which are arranged on the volute at intervals, connecting lug plates are arranged at two ends of the first handle and the second handle, and the connecting lug plates are connected with the guide rail through the fastening piece.

As a preferred scheme of the air duct reversing system, the box body assembly further comprises a rear air box, the rear air box comprises an air box back plate and an air box front plate, the air box front plate defines an air inlet channel on the air box back plate, and the air inlet channel is communicated with an inner cavity of the bottom air box.

In another aspect, an integrated stove is provided, comprising an air duct reversing system as described above.

The beneficial effects of the invention are as follows:

According to the air duct reversing system and the integrated stove, the first ventilation opening and the second ventilation opening are formed in the air box coaming, and the fan is slidably inserted into the bottom air box. When the smoke discharging direction of the fan needs to be changed, the fan is pulled out of the bottom air box in a whole sliding way, and the fan is turned over by 180 degrees and then is integrally inserted into the bottom air box in a sliding way, so that the air outlet of the volute of the fan is connected with a first ventilation opening (a second ventilation opening) and is switched to be connected with a second ventilation opening (the first ventilation opening), and the change of the smoke discharging direction of the fan can be realized. Namely, the air duct reversing system can realize the switching of the smoke discharging direction of the fan by pulling the fan out of the bottom air box, the whole integrated stove is not required to be disassembled, and the reversing speed of the fan is high. In addition, in the sliding insertion mode, when the fan is overhauled and maintained in the later period, the fan can be integrally pulled out of the bottom bellows, so that the assembly and disassembly are convenient, and the maintenance cost is low.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following description will briefly explain the drawings needed in the description of the embodiments of the present invention, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the contents of the embodiments of the present invention and these drawings without inventive effort for those skilled in the art.

FIG.1 is a schematic diagram of an air duct reversing system according to an embodiment of the present invention;

FIG. 2 is a schematic view of a fan according to an embodiment of the present invention installed in an underlying bellows;

FIG. 3 is an exploded view of an underlaying bellows provided in accordance with an embodiment of the present invention;

FIG. 4 is a first exploded view of a fan and an underlying bellows provided in accordance with an embodiment of the present invention;

FIG. 5 is a schematic view of a blower according to an embodiment of the present invention;

FIG. 6 is a schematic view of a first flange plate according to an embodiment of the present invention;

FIG. 7 is a second exploded view of a fan and an underlying bellows provided in accordance with an embodiment of the present invention;

fig. 8 is a partial enlarged view at a in fig. 1.

In the figure:

1-a box assembly; 2-a fan;

11-arranging a bellows at the bottom; 12-a rear-mounted bellows; 13-an oil pan;

111-bellows bottom plate; 112-bellows coaming; 113-an access panel; 114-an access port;

1111—a first rail; 1112-a second rail; 1113-flanging; 1114-shims;

11111-track one; 11112-guide rail two; 11121 rail three; 11122-guide rail four;

1121-a first vent; 1122-a second vent; 1123-a first flange plate; 1124-second flange plate;

1125-baffles;

11231-a guide slot; 11232—a stop edge; 11233—a leading edge;

1131-positioning strips;

121-a bellows backing plate; 122-bellows front plate; 123-an air inlet channel;

21-a first support; 22-a second support; 23-a third support; 24-fourth support; 25-first

A handle; 26-a second handle; 27-a limit convex edge;

231-a first chute; 241-second runner; 261-connection ear plate.

Detailed Description

In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.

In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixed or removable, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 7, the present embodiment provides an air duct reversing system, which can be applied to an integrated stove. The air duct reversing system comprises a box body assembly 1 and a fan 2.

Wherein, the box assembly 1 includes a bottom bellows 11, the bottom bellows 11 includes a bellows bottom plate 111 and a bellows shroud 112, and two opposite sides of the bellows shroud 112 are respectively provided with a first ventilation opening 1121 and a second ventilation opening 1122. The fan 2 is slidably inserted into the bottom bellows 11, and the air outlet of the volute of the fan 2 can be connected with the first air vent 1121 or the second air vent 1122, so that the air outlet of the volute is communicated with the smoke exhaust pipeline through the first air vent 1121 or the second air vent 1122. In this embodiment, the bellows coaming 112 is fastened to the bellows bottom plate 111, and is connected to the bellows bottom plate by fasteners such as screws or rivets, so that the assembly is convenient.

The air duct reversing system provided in this embodiment is provided by providing the first ventilation opening 1121 and the second ventilation opening 1122 on the bellows coaming 112, and slidably inserting the fan 2 into the bottom bellows 11. When the smoke discharging direction of the fan 2 needs to be changed, the fan 2 is only required to be integrally slid out of the bottom air box 11, and then is integrally slid and inserted into the bottom air box 11 after being turned over by 180 degrees, so that the connection of the volute air outlet of the fan 2 with the first air vent 1121 (the second air vent 1122) is switched to the connection with the second air vent 1122 (the first air vent 1121), and the change of the smoke discharging direction of the fan 2 can be realized. Namely, the air duct reversing system can realize the switching of the smoke discharging direction of the fan 2 only by pulling the fan 2 out of the bottom air box 11, the whole integrated stove does not need to be disassembled, and the reversing speed of the fan 2 is high. In addition, in the sliding insertion mode, when the fan 2 is overhauled and maintained in the later stage, the fan 2 can be integrally pulled out of the bottom bellows 11, so that the assembly and disassembly are convenient, and the maintenance cost is low.

Optionally, referring to FIG. 1, the housing assembly 1 further includes a rear bellows 12, the rear bellows 12 including a bellows back-plate 121 and a bellows front plate 122, the bellows front plate 122 defining an air intake passage 123 on the bellows back-plate 121, the air intake passage 123 communicating with the interior cavity of the bottom bellows 11. In this embodiment, the rear-mounted air box 12 and the bottom-mounted air box 11 are mutually perpendicular, that is, the air inlet channel 123 extends vertically, the bottom-mounted air box 11 is horizontally placed, the fan 2 is horizontally installed in the bottom-mounted air box 11, so that a direct-exhaust air channel structure is formed between the air inlet channel 123 and the inner cavity of the bottom-mounted air box 11, cooking fume directly enters the bottom-mounted air box 11 through the air inlet channel 123 under the negative pressure of the fan 2, and is further exhausted into the fume exhaust pipeline from the fan 2, and the direct-exhaust air channel structure improves the fume exhaust effect of the integrated kitchen range. And in arranging fan 2 in the end air bellow 11 for the mounted position of fan 2 is more kept away from the people's ear, thereby can reduce the noise that fan 2 operation produced and to user's influence, improve user's use experience sense.

Preferably, in this embodiment, the bottom air box 11 and the rear air box 12 share one air box back plate 121, and the air box back plate 121 is used as a back plate of the integrated stove, that is, the air box back plate 121 connects the rear air box 12 and the bottom air box 11 into a whole, when the integrated stove is assembled, only the air box front plate 122 and the bottom air box 11 need to be installed on the air box back plate 121, so that the assembly step of the integrated stove is simplified, the manufacturing cost of the integrated stove is saved, and the assembly is simpler.

Alternatively, referring to FIG. 1, the cross-sectional area of the bellows front plate 122 gradually decreases from top to bottom. This structural design can make the oil smoke velocity of flow that gets into air inlet channel 123 accelerate to make the oil smoke collect fast to in the spiral case of fan 2, improve the efficiency of discharging fume. And, the top cross-sectional area of bellows front bezel 122 is big, and the upper end air inlet area of air inlet channel 123 is big promptly, is favorable to absorbing more oil smoke, improves integrated kitchen fume extraction effect.

Further, referring to fig. 1, an oil receiving disc 13 is disposed below the bottom air box 11 on the air box back plate 121, the oil receiving disc 13 can collect oil stains formed by condensation of oil smoke, other components in the integrated kitchen cabinet body are prevented from being polluted by the oil stains, and the oil receiving disc 13 is only required to be cleaned during later cleaning, so that the kitchen cabinet is convenient to clean.

Alternatively, referring to fig. 2 and 3, the front side of the bottom bellows 11 is provided with an access opening 114, and the front side of the bellows coaming 112 is detachably provided with an access panel 113 at the access opening 114, where the access panel 113 can seal off the access opening 114. Through seting up access port 114 at the front side of end bellows 11, when the later stage needs to change the exhaust gas direction of fan 2 or to fan 2 maintenance, only need tear open access panel 113, pull fan 2 from access port 114 department and make it slide and shift out end bellows 11 to change the direction or overhaul fan 2 can, need not to remove whole integrated kitchen, also need not to dismantle the back plate of integrated kitchen, can realize fan 2 exhaust gas direction's quick replacement, and maintain conveniently, the dismouting security is high. After the direction of the fan 2 is turned or maintenance is completed, the fan 2 is slid and pushed into the bottom bellows 11 from the access hole 114, and then the access plate 113 is reinstalled on the bellows coaming 112 to seal the access hole 114.

Referring to fig. 1 and 8, optionally, a flange 1113 is provided on the bellows bottom plate 111, a positioning strip 1131 is provided on a side of the access panel 113 near the bellows bottom plate 111, a positioning groove (not shown) is defined between the positioning strip 1131 and the access panel 113, and the flange 1113 can be clamped into the positioning groove. In this embodiment, the positioning strip 1131 includes a first plate and a second plate that are disposed at an included angle, where the first plate is attached to the service plate 113, the second plate is parallel to the service plate 113 and disposed at intervals, a gap between the second plate and the service plate 113 is a positioning slot, an opening of the positioning slot faces downward, and when the service plate 113 is installed, the positioning slot is aligned with the flange 1113 for plugging. The locating groove and the flange 1113 are matched in a plugging manner, so that the overhaul plate 113 can be limited, the overhaul plate 113 and the bellows bottom plate 111 are not required to be fixed by using a fastener, and the installation steps are saved.

Further, referring to fig. 8, the flange 1113 is coated with the gasket 1114, and the gasket 1114 can fill the gap between the flange 1113 and the inner wall of the positioning groove on the one hand, so as to improve the plugging stability of the access panel 113, ensure that the lower edge of the access panel 113 is in sealing connection with the bottom plate 111 of the bellows, prevent the air leakage of the bottom bellows 11, and improve the smoke discharging effect. On the other hand, the pad 1114 can act as a cushion to prevent the access panel 113 from rigidly contacting the flange 1113 and to protect the access panel 113 from the flange 1113. Preferably, the backing 1114 is a rubber pad that is wrapped over the flange 1113.

In this embodiment, the access panel 113 is preferably fixed to the bellows coaming 112 by a screw connection, so that the disassembly and assembly are convenient. Specifically, a flange turned inwards is arranged at the position of the access hole 114 on the bellows coaming 112, after the bottom edge of the access plate 113 is spliced with the flange 1113 of the bellows bottom plate 111 through a positioning groove, the other three sides of the access plate 113 can be attached to the corresponding flange, and the access plate 113 is fastened and connected with the flange through screws.

Optionally, at least one guide rail is disposed on the bellows bottom plate 111, at least one sliding groove is disposed on each of the first side and the second side of the volute of the fan 2, and the guide rail can be slidably matched with the corresponding sliding groove, so that the fan 2 can be slidably inserted into the bottom bellows 11. The sliding fit of the guide rail and the sliding chute enables the fan 2 to be integrally pulled out from the bottom air box 11, and the fan 2 can be integrally pushed to slide into the bottom air box 11, so that the dismounting and reversing operation of the fan 2 is more convenient and labor-saving. Further, the first side surface and the second side surface are two opposite side surfaces of the volute along the air inlet direction respectively. Namely, the first side and the second side are the lower side and the upper side of the scroll casing of the blower 2 in fig. 5, respectively. Referring to the orientation of fig. 4, if the air outlet of the blower 2 is directed to the left, the volute is slidably engaged with the guide rail through the chute of the first side (lower side in fig. 5) to achieve slidable movement of the blower 2 within the underlying bellows 11. Referring to the orientation of fig. 7, if the air outlet of the blower 2 is directed to the right, the scroll is slidably engaged with the guide rail through a chute of the second side (upper side in fig. 5) to achieve slidable movement of the blower 2 within the underlying bellows 11.

That is, through all setting up the spout at the spiral case upper and lower both sides face of fan 2 for fan 2 still can with guide rail sliding fit after the change direction, with slip cartridge in end air bellow 11, thereby improve the convenience of fan 2 installation, realize the quick replacement of fan 2 exhaust gas direction, satisfy user's different user demands.

Alternatively, referring to fig. 2 and 3, two guide rails are disposed on the bellows bottom plate 111 at intervals, namely, a first guide rail 1111 and a second guide rail 1112, referring to fig. 4 and 5, two sliding grooves are disposed on the first side surface and the second side surface at intervals, respectively, the two sliding grooves are a first sliding groove 231 and a second sliding groove 241, the first guide rail 1111 can be clamped into the first sliding groove 231 and is in sliding fit with the first sliding groove 231, and the second guide rail 1112 can be clamped into the second sliding groove 241 and is in sliding fit with the second sliding groove 241. That is, when the smoke discharging direction of the fan 2 needs to be changed, the first chute 231 and the second chute 241 are disposed on the upper and lower sides of the volute of the fan 2, the access panel 113 is detached, the fan 2 is pulled to slide along the first guide rail 1111 and the second guide rail 1112, and is slid out from the access port 114 of the bottom bellows 11, then the fan 2 is integrally turned 180 degrees, so that the left and right directions of the air outlet of the volute of the fan 2 are reversed (if the original air outlet is left, the original air outlet is right, the air outlet is left), then the fan 2 is integrally slid into the bottom bellows 11 from the access port 114, and finally the access panel 113 is installed to seal the access port 114. The sliding fit of the first sliding groove 231 and the first guide rail 1111 and the sliding fit of the second sliding groove 241 and the second guide rail 1112 enable the fan 2 to be integrally pulled out from the bottom air box 11, and the fan 2 can be integrally pushed to slide into the bottom air box 11, so that the dismounting and reversing operation of the fan 2 is more convenient and labor-saving, and the cooperation of the first sliding groove 231 and the first guide rail 1111 and the cooperation of the second sliding groove 241 and the second guide rail 1112 can play a limiting role on the fan, so that the fan 2 is easier to install and fix. In addition, the design of the first guide rail 1111 and the second guide rail 1112 can ensure that the air outlet after the fan 2 is reversed and the first air vent 1121 and the second air vent 1122 are always on the same horizontal line, so that the air outlet of the volute of the fan 2 is opposite to the first air vent 1121 or the second air vent 1122.

Optionally, a first supporting member 21 and a second supporting member 22 are disposed on a first side surface of the volute of the fan 2 at intervals (as shown in fig. 7), a third supporting member 23 and a fourth supporting member 24 are disposed on a second side surface of the volute at intervals (as shown in fig. 4), a first sliding groove 231 is disposed on each of the first supporting member 21 and the third supporting member 23, and a second sliding groove 241 is disposed on each of the second supporting member 22 and the fourth supporting member 24 (as shown in fig. 5). Referring to the orientation in fig. 4, if the air outlet of the blower 2 is directed to the left, the volute of the blower 2 achieves a slidable movement of the blower 2 within the underlying bellows 11 by the sliding fit of the first support 21 with the first rail 1111 and the sliding fit of the second support 22 with the second rail 1112. Referring to the orientation in fig. 7, if the air outlet of the blower 2 is directed to the right, the scroll of the blower 2 achieves slidable movement of the blower 2 within the underfloor bellows 11 by the sliding fit of the third support 23 with the first rail 1111 and the sliding fit of the fourth support 24 with the second rail 1112.

Preferably, the first supporting member 21, the second supporting member 22, the third supporting member 23 and the fourth supporting member 24 have the same structure, and for example, the first supporting member 21 includes a base and connecting portions disposed at two ends of the base, the base is connected (e.g. welded) with the volute of the fan 2 through two connecting portions, and the base is provided with the first chute 231. The first supporting piece 21 can be matched with the first guide rail 1111 in a sliding manner through the first sliding groove 231 and is clamped in a sliding manner, so that sliding pulling of the fan 2 can be realized, the installation stability of the fan 2 in the bottom-mounted air box 11 can be increased, the use number of screws between the volute of the fan 2 and the air box bottom plate 111 can be reduced, the operation steps can be reduced during assembly, and the assembly efficiency can be improved.

Alternatively, referring to fig. 3 and 4, the first rail 1111 includes a first rail 11111 and a second rail 11112 spaced apart in the sliding direction of the fan 2, and the second rail 1112 includes a third rail 11121 and a fourth rail 11122 spaced apart in the sliding direction of the fan 2, and ventilation spaces are formed between the first rail 11111 and the second rail 11112 and between the third rail 11121 and the fourth rail 11122. Through designing the first guide rail 1111 and the second guide rail 1112 to be two sections (namely, the first guide rail 11111 and the second guide rail 11112 and the third guide rail 11121 and the fourth guide rail 11122) which are arranged front and back, a ventilation space can be reserved in the middle of the first guide rail 1111 and the second guide rail 1112, the air inlet of the fan 2 is prevented from being influenced by the existence of the first guide rail 1111 and the second guide rail 1112, the air inlet of the fan 2 is ensured, and therefore the smoke discharging effect of the integrated kitchen range is improved. Meanwhile, the clamping connection of the second guide rail 11112 and the first sliding groove 231 and the clamping connection of the fourth guide rail 11122 and the second sliding groove 241 can play a limiting role on the fan 2, so that the installation stability of the fan 2 in the bottom-mounted air box 11 is improved, the number of fasteners required for fixing the fan 2 is reduced, and the installation steps are simpler.

In this embodiment, referring to fig. 2 and 4, the first guide rail 11111 and the third guide rail 11121 support the front end of the fan 2 together, and the second guide rail 11112 and the fourth guide rail 11122 support the rear end of the fan 2 together, so as to cushion the volute of the fan 2, leave a space between the volute and the bellows bottom plate 111, increase ventilation amount, and facilitate the lampblack to be sucked into the volute. That is, the first guide rail 1111 and the second guide rail 1112 can also cushion the fan 2 while providing sliding support for the volute of the fan 2, so that both the upper side and the lower side of the volute of the fan 2 can be supplied with air, and the smoke discharging capability of the integrated kitchen range is improved.

Alternatively, referring to fig. 2 and 4, a handle structure is provided on the scroll casing of the blower 2 at an end near the access opening 114, through which the blower 2 can be driven to slide relative to the guide rail. In this embodiment, the blower 2 slides simultaneously with respect to the first rail 1111 and the second rail 1112. When reversing the fan 2, an operator applies force to the fan 2 through the handle structure, and can pull or push the fan 2, so that the installation operation of the fan 2 is more convenient and labor-saving.

Optionally, the air duct reversing system further comprises a fastener, and the handle structure comprises a first handle 25 and a second handle 26 arranged on the volute at intervals. Referring to fig. 2 and 5, both ends of the first and second handles 25 and 26 are provided with a connection lug plate 261, and the connection lug plate 261 is connected with the first or second guide rail 1111 or 1112 by a fastener. Through set up the connection otic placode 261 on first handle 25 and second handle 26, after fan 2 slides in place, only need use fastener fixed connection otic placode 261 with first guide rail 1111 and second guide rail 1112 can, whole fan 2 only need carry out fastening operation in this department, has effectively reduced the use quantity of fastener, saves the assembly step to can accelerate fan 2's dismouting rate. Since the two ends of the first handle 25 and the second handle 26 are respectively provided with the connecting lug plates 261, after the fan 2 is adjusted and converted, the first handle 25 and the second handle 26 can still be connected and fixed with the first guide rail 1111 and the second guide rail 1112 through the connecting lug plates 261 close to one end of the first guide rail 1111 and the second guide rail 1112, and the adaptability is good. In this embodiment, the first handle 25 and the second handle 26 are provided with a handle groove, and an operator holds the first handle 25 and the second handle 26 through the handle groove, so that force application is facilitated.

Preferably, the fastener is a screw, the connecting lug plate 261 is provided with a through hole, the first guide rail 1111 and the second guide rail 1112 are provided with threaded holes opposite to the through hole, and the screw is screwed into the threaded holes after passing through the through hole so as to realize connection between the first handle 25 and the first guide rail 1111 and connection between the second handle 26 and the second guide rail 1112.

Alternatively, referring to fig. 4 and 7, a first flange plate 1123 and a second flange plate 1124 are respectively disposed on the bellows shroud 112 at the first ventilation opening 1121 and the second ventilation opening 1122, the volute outlet of the fan 2 can be slidingly engaged and clamped with the first flange plate 1123, and the volute outlet of the fan 2 can be slidingly engaged and clamped with the second flange plate 1124. Through the slip joint of spiral case air outlet and first flange board 1123 or second flange board 1124 for can realize dismantling between fan 2's the spiral case and the bellows bounding wall 112 and be connected, do not influence simultaneously that fan 2 is relative to the slip of end bellows 11 and shift into and shift out, fan 2 switching-over is convenient. And moreover, the mode of sliding clamping is not required to be fixed by using a fastener additionally, and the fan 2 is more convenient to assemble and disassemble.

Optionally, the first flange plate 1123 and the second flange plate 1124 are both provided with a guide slot 11231 (as shown in fig. 6), referring to fig. 5, the volute of the fan 2 is provided with a limit flange 27 at the air outlet, the limit flange 27 can be slidably inserted into the guide slot 11231 of the first flange plate 1123, and the limit flange 27 can be slidably inserted into the guide slot 11231 of the second flange plate 1124. When the fan 2 is installed, the fan 2 is aligned to the overhaul port 114, the first guide rail 1111 is clamped into the first sliding groove 231, the second guide rail 1112 is clamped into the second sliding groove 241, then the fan 2 is pushed into the bottom air box 11, if the air outlet of the fan 2 faces to the left side (refer to the direction in fig. 4), the fan 2 is pushed to slide inwards, when the limit convex edge 27 at the air outlet of the volute moves to be opposite to the guide groove 11231 of the first flange plate 1123, the fan 2 is pushed continuously, the limit convex edge 27 is inserted into the guide groove 11231 in a sliding manner, and after the fan 2 moves in place, the air outlet of the volute is fixed onto the air box coaming 112 through the clamping connection of the limit convex edge 27 and the guide groove 11231, so that the installation stability of the fan 2 in the bottom air box 11 is further improved.

Similarly, if the air outlet of the fan 2 is directed to the right (refer to the orientation of fig. 7), the air outlet of the volute is fastened to the bellows shroud 112 by the retaining flange 27 and the guide groove 11231 of the second flange plate 1124.

The limit convex edge 27 and the guide groove 11231 are inserted to limit the scroll casing of the fan 2 and the air box coaming 112, so that the installation stability of the scroll casing can be guaranteed, and the scroll casing and the air box coaming 112 can be detachably connected, so that the fan 2 can be pulled out of the bottom air box 11 integrally or the fan 2 can be inserted into the bottom air box 11 in a sliding manner integrally.

Referring to fig. 4 and 7, in the present embodiment, the first flange plate 1123 and the second flange plate 1124 have the same structure, and the first flange plate 1123 and the second flange plate 1124 are fixed on the bellows coaming 112 by fasteners such as screws, so that the connection is firm. Referring to fig. 6, taking the first flange plate 1123 as an example, a through hole opposite to the first ventilation opening 1121 is formed in the middle portion, a guide groove 11231 is formed at each of opposite side edges of the first flange plate 1123, and the guide groove 11231 is formed by surrounding an L-shaped plate disposed on the edge of the first flange plate 1123. Correspondingly, referring to fig. 5, a circle of limiting convex edges 27 is arranged at the air outlet of the volute of the fan 2 along the circumferential direction, and two edges of the limiting convex edges 27 are correspondingly and slidably inserted into the two guide grooves 11231 respectively, so that the connection stability of the volute of the fan 2 and the bellows coaming 112 is improved.

Further, referring to fig. 6, two ends of the first flange plate 1123 are respectively provided with a stop edge 11232 and a guide edge 11233, the stop edge 11232 and the guide edge 11233 extend in opposite directions, the stop edge 11232 extends toward the inner side of the air box coaming 112, the stop edge 11232 can stop the limit flange 27 at the air outlet of the volute of the fan 2, the fan 2 is prevented from moving beyond the range, and the guide edge 11233 can prevent the limit flange 27 from interfering with the end of the first flange plate 1123 in the process of being inserted into the guide groove 11231. Specifically, when the fan 2 is installed, the fan 2 is pushed to slide along the first guide rail 1111 and the second guide rail 1112 until the limiting flange 27 abuts against the stop edge 11232, which indicates that the fan 2 is installed in place. The stop edge 11232 can be used for positioning the installation of the fan 2, so that the fan 2 can be quickly installed in the bottom air box 11.

With continued reference to fig. 6, a bending portion is disposed at an end of the l-shaped plate, where the limiting flange 27 is inserted into the guiding slot 11231, and the bending portion bends toward a side facing away from the first flange 1123. The arrangement of the bending part enlarges the opening of the guide slot 11231, so that the assembly is smoother when the limit convex edge 27 is inserted into the guide slot 11231, and the assembly is simpler, thereby further improving the assembly efficiency of the fan 2. Preferably, the arc transition of the joint of the bending part and the L-shaped plate improves the connection strength between the bending part and the L-shaped plate.

Optionally, referring to fig. 7, a baffle 1125 is detachably disposed on the bellows shroud 112, where the baffle 1125 is used to block the first vent 1121 or the second vent 1122. When the fan 2 is changed over and the first ventilation opening 1121 or the second ventilation opening 1122 is not used, the first ventilation opening 1121 or the second ventilation opening 1122 which is not used is blocked by the baffle 1125 so as to ensure the tightness of the bottom air box 11, thereby ensuring the smoke discharging capability of the integrated kitchen range.

The embodiment also provides an integrated kitchen, which comprises the air duct reversing system. The fan 2 is slidably inserted into the underlying wind box 11 by providing a first air vent 1121 and a second air vent 1122 on the wind box shroud 112. When the smoke discharging direction of the fan 2 needs to be changed, the fan 2 is only required to be integrally slid out of the bottom air box 11, and then is integrally slid and inserted into the bottom air box 11 after being turned over by 180 degrees, so that the volute air outlet of the fan 2 is switched from being connected with the first air vent 1121 (the second air vent 1122) to being connected with the second air vent 1122 (the first air vent 1121), and the change of the smoke discharging direction of the fan 2 can be realized, so that the use requirements of different users can be met. Namely, the air duct reversing system can realize the switching of the smoke discharging direction of the fan 2 only by pulling the fan 2 out of the bottom air box 11, the whole integrated stove does not need to be disassembled, and the reversing speed of the fan 2 is high. And, the mode of slip cartridge is at the later stage to fan 2 maintenance, can wholly draw fan 2 out of the end and put bellows 11, easy dismounting, integrated kitchen maintenance cost is low.

Note that the above is only a preferred embodiment of the present invention and the technical principle applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, while the invention has been described in connection with the above embodiments, the invention is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the invention, which is set forth in the following claims.

Claims (10)

1. The wind channel switching-over system, its characterized in that includes:

The box body assembly (1) comprises a bottom air box (11), wherein the bottom air box (11) comprises an air box bottom plate (111) and an air box coaming (112), and a first ventilation opening (1121) and a second ventilation opening (1122) are respectively formed in two opposite sides of the air box coaming (112);

The fan (2) is slidably inserted into the bottom air box (11), and a volute air outlet of the fan (2) can be connected with the first ventilation opening (1121) or the second ventilation opening (1122), so that an air outlet of the volute is communicated with a smoke exhaust pipeline through the first ventilation opening (1121) or the second ventilation opening (1122).

2. The air duct reversing system according to claim 1, characterized in that a first flange plate (1123) and a second flange plate (1124) are respectively arranged on the air duct coaming (112) and the first ventilation opening (1121) and the second ventilation opening (1122), a volute air outlet of the fan (2) can be slidingly matched and clamped with the first flange plate (1123), and a volute air outlet of the fan (2) can be slidingly matched and clamped with the second flange plate (1124).

3. The air duct reversing system according to claim 2, wherein guide grooves (11231) are formed in the first flange plate (1123) and the second flange plate (1124), a limit flange (27) is arranged at an air outlet of a volute of the fan (2), the limit flange (27) can be slidably connected with the guide grooves (11231) of the first flange plate (1123), and the limit flange (27) can be slidably connected with the guide grooves (11231) of the second flange plate (1124).

4. The air duct reversing system according to claim 1, wherein at least one guide rail is arranged on the air duct bottom plate (111), at least one sliding groove is arranged on a first side surface and a second side surface of a volute of the fan (2), the guide rail can be in sliding fit with the corresponding sliding groove, so that the fan (2) can be slidably inserted into the bottom air duct (11), and the first side surface and the second side surface are respectively two opposite side surfaces of the volute along the air inlet direction.

5. The air duct reversing system according to claim 4, wherein two guide rails are arranged on the air box bottom plate (111) at intervals, namely a first guide rail (1111) and a second guide rail (1112), two sliding grooves are arranged on the first side face and the second side face at intervals, namely a first sliding groove (231) and a second sliding groove (241), the first guide rail (1111) can be clamped into the first sliding groove (231) and is in sliding fit with the first sliding groove (231), and the second guide rail (1112) can be clamped into the second sliding groove (241) and is in sliding fit with the second sliding groove (241).

6. The air duct reversing system according to claim 5, wherein the first guide rail (1111) includes a first guide rail (11111) and a second guide rail (11112) arranged at intervals along a sliding direction of the fan (2), the second guide rail (1112) includes a third guide rail (11121) and a fourth guide rail (11122) arranged at intervals along the sliding direction of the fan (2), and ventilation spaces are formed between the first guide rail (11111) and the second guide rail (11112) and between the third guide rail (11121) and the fourth guide rail (11122).

7. The air duct reversing system according to claim 4, wherein an access opening (114) is formed in the front side of the bottom air box (11), an access panel (113) is detachably arranged at the access opening (114), the access panel (113) can seal the access opening (114), a handle structure is arranged at one end, close to the access opening (114), of a volute of the fan (2), and the fan (2) can be driven to slide relative to the guide rail through the handle structure.

8. The air duct reversing system according to claim 7, further comprising a fastener, wherein the handle structure comprises a first handle (25) and a second handle (26) arranged on the volute at intervals, both ends of the first handle (25) and the second handle (26) are provided with connecting lugs (261), and the connecting lugs (261) are connected with the guide rail through the fastener.

9. The air duct reversing system according to any one of claims 1-8, wherein the housing assembly (1) further comprises a rear air box (12), the rear air box (12) comprising a box back plate (121) and a box front plate (122), the box front plate (122) defining an air inlet channel (123) on the box back plate (121), the air inlet channel (123) being in communication with an interior cavity of the bottom air box (11).

10. An integrated oven comprising an air duct reversing system according to any one of claims 1 to 9.