CN111692619A

CN111692619A - Downdraft smoke stove all-in-one machine

Info

Publication number: CN111692619A
Application number: CN202010622481.5A
Authority: CN
Inventors: 胡忠怀
Original assignee: ZHEJIANG ANDE ELECTRICAL APPLIANCES CO Ltd
Current assignee: Zhejiang Ande Electrical Appliances Co Ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2020-09-22

Abstract

The invention belongs to the technical field of kitchen appliances, in particular to a downdraft smoke and kitchen range integrated machine, which comprises a cabinet body; the cabinet body is provided with a kitchen range and a smoke machine, and the smoke machine comprises a filter screen, a smoke suction box, a fan and an exhaust passage; the filter screen cover is arranged in the middle of the stove and comprises a hollow smoke suction hood, the top of the smoke suction hood is provided with an air suction opening close to the stove, the bottom of the smoke suction hood is provided with a columnar first filter screen, a smoke suction channel is formed inside the smoke suction hood and the first filter screen, the first filter screen is arranged in the smoke suction box, and the bottom of the first filter screen is provided with an oil collecting box; the smoking box is provided with a fan, the air inlet of the fan is communicated with the inner cavity of the smoking box, and the air outlet of the fan is connected with an exhaust passage. The filter screen cover is columnar and arranged in the middle of the stove, and has the characteristics of small volume, convenience in installation and good oil smoke absorption effect; the air suction openings are arranged on the side wall and the top surface, which is favorable for smoking. In addition, the first filter screen of column can increase filter area through changing the height, promotes the filter effect.

Description

Downdraft smoke stove all-in-one machine

Technical Field

The invention belongs to the technical field of kitchen appliances, and particularly relates to a downdraft smoke and stove integrated machine.

Background

The range hood is also called as a range hood, and is a kitchen appliance for purifying the kitchen environment. The cooking range is arranged above a kitchen range, and can quickly pump away waste burnt by the kitchen range and oil smoke harmful to human bodies generated in the cooking process and discharge the oil smoke out of a room. Meanwhile, the oil smoke is condensed and collected, so that pollution is reduced, air is purified, and the safety guarantee effects of gas defense and explosion prevention are achieved.

The traditional range hood and the kitchen range are two independent electric appliances, the occupied space is large, and the use space of a small-sized kitchen is greatly influenced. Therefore, a smoke and stove integrated machine appears in the market, and meanwhile, compared with the situation that two products are purchased, the cost is also reduced.

The utility model with the Chinese patent number of CN201921032597.2 discloses a cigarette and stove integrated machine, which comprises: a cabinet body; the stove body is arranged on the cabinet body; the smoke collecting hood is arranged on the cabinet body; and the heat preservation panel, fix at collection petticoat pipe top, and can go up and down along with the lift of collection petticoat pipe, wherein, the top of heat preservation panel is provided with the heating portion that can be used to heat food, heat preservation panel bottom is provided with the smoke guide portion that can lead the oil smoke, and then when collection petticoat pipe realized the smoking effect, through setting up the heat preservation panel at collection petticoat pipe top, the heat preservation panel can realize the food heating function, the function of cigarette kitchen all-in-one has been richened, and the smoke guide portion of heat preservation panel bottom can play the effect to the oil smoke direction, for add the scheme of activity smoke guide plate among the prior art, when satisfying the smoke guide function, make the structure of whole cigarette kitchen all-in-one obtain simplifying, the fault rate of cigarette kitchen all-in-one operation process has.

However, there are the following problems:

1. because the position of the smoke collecting cover and the kitchen range can influence the smoking effect, the smoke collecting cover is arranged on the back of the kitchen range and is in a strip shape, but the smoke collecting cover is large in size, can only be used for kitchen ranges with two eyes, and is not suitable for kitchen ranges with four eyes.

2. The fume collecting hood has only two positions through a lifting structure: when the height of the cooker is too high or too low, the smoking effect is not ideal.

3. The inside filter screen of collection petticoat pipe is planar design, and is unanimous with the cross-section size of collection petticoat pipe, is subject to the area of filter screen, leads to the filter screen to lead oil not smooth to be plugged up by oil and influence suction, make the oil smoke filter effect not good.

4. The cabinet body is filled with parts of the cigarette machine, the space utilization rate is low, and the exhaust channel is inconvenient to install.

Disclosure of Invention

The invention aims to provide a downdraft smoke and stove all-in-one machine which is simple in structure, reasonable in layout, good in smoke suction effect and convenient to operate.

The purpose of the invention is realized as follows:

a downdraft smoke and cooking stove integrated machine comprises a cabinet body;

the kitchen range is arranged above the cabinet body and used for cooking food;

the smoke machine is arranged on the cabinet body and used for absorbing and filtering oil smoke generated by cooking food,

the smoke machine comprises a columnar filter screen arranged above the cabinet body, a smoke suction box arranged in the cabinet body, a fan and an exhaust passage;

the filter screen cover is arranged in the middle of the stove and comprises a hollow smoke suction hood, the top of the smoke suction hood is provided with an air suction opening close to the stove, the bottom of the smoke suction hood is provided with a columnar first filter screen, the smoke suction hood and the first filter screen form a smoke suction channel, the first filter screen is arranged in a smoke suction box, and the bottom of the first filter screen is provided with an oil collecting box;

the smoking box is provided with a fan, the air inlet of the fan is communicated with the inner cavity of the smoking box, and the air outlet of the fan is connected with an exhaust passage.

Preferably, the air suction opening comprises a plurality of side air suction holes arranged above the side wall of the fume suction hood and a plurality of upper air suction holes arranged on the top surface of the fume suction hood.

Preferably, the first filter screen and the smoke suction hood are both cylindrical; the upper end of the first filter screen is connected with the smoke suction hood through a filter screen fixing ring, the middle part of the first filter screen is provided with a filter hole, and the lower end of the first filter screen is fixed with an oil collecting box.

Preferably, an activated carbon filter screen is detachably arranged on a channel between the first filter screen and the smoke suction hood.

Preferably, the activated carbon filter screen includes screen panel, lower screen panel and sets up the activated carbon sponge between the two, goes up screen panel and passes through second buckle structure with lower screen panel and fixes.

Preferably, the second buckle structure comprises a second limiting convex ring arranged on the upper mesh enclosure, a second buckle arranged below the second limiting convex ring, and a second clamping groove arranged on the side wall of the lower mesh enclosure, and the second buckle is clamped in the second clamping groove and enables the second limiting convex ring to abut against the end part of the lower mesh enclosure; and a third clamping groove is formed in the second limiting convex ring, a third bulge is arranged at the upper end of the lower mesh enclosure, and the third bulge is clamped in the third clamping groove.

Preferably, the upper end of the smoke suction hood is detachably provided with a top cover, the top cover is provided with an upper air suction hole, and the middle part of the top cover is also provided with a handheld part.

Preferably, the detachable connection between the top cover and the smoke suction hood, between the smoke suction hood and the filter screen fixing ring, or between the filter screen fixing ring and the activated carbon filter screen is realized through a first buckle structure;

first buckle structure is protruding including setting up L type draw-in groove around one part and the first buckle of setting on another part, and L type draw-in groove bottom is seted up first spacing groove, the bellied bottom of first buckle is provided with first spacing arch, realizes first buckle structure through rotating and can dismantle the connection.

Preferably, a lifting driving device is arranged between the smoking box and the filter screen through a sliding frame, the lifting driving device comprises lifting push rods respectively arranged at two sides of the smoking box and lifting slide blocks movably arranged in the lifting push rods, and the two lifting slide blocks are respectively connected with two ends of the sliding frame; one or two lifting push rods are internally provided with a lifting driving assembly for driving the lifting slide block to move, the lifting driving assembly comprises a driving motor arranged on one side of the lifting push rod and a lead screw arranged in the lifting push rod, the lifting slide block is sleeved on the lead screw, and the lifting driving assembly is controlled by a circuit board.

Preferably, the two lifting push rods are driven by driving motors respectively, the tail parts of the driving motors are provided with Hall elements, and the two driving motors synchronously rotate through the Hall elements and a synchronous control system.

Preferably, the lifting push rod is a hollow rod piece, one side of the rod piece is provided with a sliding groove for the lifting slide block to pass through, and two sides of the inner cavity of the rod piece are symmetrically provided with guide grooves; the lifting slide block comprises a slide block main body which is arranged in an inner cavity of the rod piece and sleeved on the screw rod, guide parts matched with the shapes of the guide grooves are arranged on two sides of the slide block main body, a connecting part is further arranged on the slide block main body, and the connecting part penetrates through the sliding groove to be connected to one side of the sliding frame.

Preferably, the guide groove is surrounded by two groove bars, the cross section of the guide part is in a shape with a small opening and a large inner part, the cross section of the guide part is in a fan shape matched with the guide part, and the bottom of the guide part is provided with an abutting part abutting against the groove bars; the abutting part is perpendicular to the side face of the guide part, and a stress groove is formed in the intersection position.

Preferably, the carriage is a backup pad, connects after the both sides of backup pad are crooked lifting slide block, screen panel mounting hole A has been seted up at the middle part of backup pad, and screen panel mounting hole A's lateral wall is provided with the installation arch, be provided with the installation draw-in groove that corresponds the shape on the filter screen cover, both demountable installation.

Preferably, the fan is arranged on one side in the smoking box, the fan mounting surface is higher than the bottom surface of the smoking box where the filter screen cover is arranged, the fan mounting hole for mounting the fan is formed in the fan mounting surface, and the fan mounting hole is connected with the exhaust channel.

Preferably, the bottom surface of the smoking box where the filter screen cover is located is provided with a liquid collecting hole, and the bottom of the liquid collecting hole is detachably provided with a liquid receiving box.

Preferably, a storage cabinet is arranged at the position of the cabinet body below the range hood, the exhaust channel is composed of a round-square connector, a plurality of square pipes and a square right-angle connector, the round-square connector is connected with a round air outlet of the fan, and the exhaust channel (4) is fixed in the cabinet body and arranged around the upper part, the back part and the lower part of the storage cabinet.

Preferably, the exhaust passage is further arranged at the bottom of the storage cabinet, and the air outlet is arranged at one side of the bottom of the cabinet body through a plane elbow joint.

Preferably, the cooker comprises a chassis arranged above the cabinet body, a plurality of induction cooker modules are arranged on the chassis, and a glass panel is arranged above the induction cooker modules; and a mesh enclosure mounting hole B for mounting a filter mesh enclosure is also formed in the chassis at the center of the induction cooker module.

Compared with the prior art, the invention has the outstanding and beneficial technical effects that:

1. the filter screen cover is columnar and arranged in the middle of the stove, and has the characteristics of small volume, convenience in installation and good oil smoke absorption effect; the air suction openings are arranged on the side wall and the top surface, which is favorable for smoking. In addition, the first filter screen of column can increase filter area through changing the height, promotes the filter effect.

2. According to the invention, the activated carbon filter screen is detachably arranged on the channel between the first filter screen and the smoke suction hood, so that the filter effect is improved.

3. The filter screen cover disclosed by the invention is detachably mounted through the buckle structure, is simple and convenient, and is easy to clean and replace parts.

4. The invention can manually adjust the height of the filter screen cover through the circuit board according to the height of the cooker, thereby achieving better smoking effect. Meanwhile, when the cigarette box is in a non-working state, the cigarette box can be descended into the cigarette box, and the cigarette box is attractive and tidy.

5. The invention is driven by the driving motors, realizes the synchronous rotation of the two driving motors through the Hall element and the synchronous control system, can ensure the position of the filter screen cover and is convenient to lift. Simultaneously, the stable synchronous lifting structure can prevent the outer of the interior fluid of oil collecting box from spattering.

6. The lifting push rod and the lifting slide block connecting structure can ensure the stability and the accuracy of the lifting push rod and the lifting slide block when the lifting push rod and the lifting slide block are lifted.

7. The exhaust channel designed by the invention uses the square pipe to replace a round pipe and is distributed around the storage cabinet, so that the mounting gap between the storage cabinet and the cabinet body is reduced, more storage space is vacated for the storage cabinet, and the space utilization rate of the cabinet body is greatly improved.

8. According to the invention, the air outlet can be arranged at any side of the bottom of the cabinet body at the bottom of the storage cabinet through the plane elbow joint, so that the arrangement of an external exhaust channel is convenient.

Drawings

Fig. 1 is one of the structural schematic diagrams of the smoke and kitchen range integrated machine of the invention.

Fig. 2 is a second schematic structural view of the fume and stove integrated machine of the present invention.

Fig. 3 is a schematic structural view after the cabinet body is hidden.

Fig. 4 is a schematic structural view of the interior of the cooktop of the present invention.

FIG. 5 is a schematic structural view of the bottom surface of the cooking range of the present invention.

Fig. 6 is a schematic structural view of the filter screen cover of the present invention.

Fig. 7 is an exploded view of the filter screen of the present invention.

Fig. 8 is a cross-sectional view of the filter screen of the present invention.

Fig. 9 is a partially enlarged view of the cap attaching structure at a in fig. 8.

Fig. 10 is a partially enlarged view of the oil collecting box connecting structure at B in fig. 8.

Fig. 11 is a partially enlarged view of the filter net fixing ring coupling structure at C of fig. 8.

Fig. 12 is a schematic structural view of the smoking box, the filter screen and the lifting driving device of the present invention.

Fig. 13 is a schematic structural view of the lift driving device of the present invention.

Fig. 14 is a sectional view of the lift push rod and the lift slider of the present invention.

Fig. 15 is an exploded view of the lift ram and lift slide of the present invention.

Fig. 16 is a reference diagram of the filter screen cover of the present invention in a lowered state.

Figure 17 is a schematic view of the arrangement between the smoke box, the fan and the exhaust channel of the present invention.

FIG. 18 is a schematic view of the structure of the air discharge duct behind the hidden left side panel of the cabinet of the present invention.

Fig. 19 is a schematic view of the structure of a second exhaust passage of the present invention.

Fig. 20 is a schematic view of the structure of a third exhaust passage of the present invention.

The reference numerals in the figures denote the meanings:

1-filtering net cover; 2-smoking box; 3, a fan; 4-an exhaust channel;

11-smoke suction hood; 12-an air suction opening; 12 a-side suction holes; 12 b-an upper air suction hole; 13-a first filter; 14-an oil collecting box; 141-a fixed groove; 142-oil collecting gaps; 15-filter screen fixing ring; 16-an activated carbon filter screen; 161-upper net cover; 162-lower mesh enclosure; 163-activated carbon sponge; 164-a second stop collar; 165-a second clasp; 166-a second card slot; 167-a third card slot; 168-a third projection; 17-a top cover; 171-a hand-held part; 172-L shaped card slot; 173-first snap projection; 174-a first retaining groove; 175-a first stop lobe; 18-installing a clamping groove;

20-a sliding frame; 21-a lifting drive device; 211-mesh enclosure mounting hole a; 212-mounting projections;

22-lifting push rod; 221-a rod member; 222-a chute; 223-a guide groove; 224-groove bar; 225-a guide rail; 226-a mounting portion; 227-a lead screw mounting bracket; 23-lifting the slide block; 231-a slider body; 232-a guide; 233-a connecting part; 234-an abutment; 235-stress groove; 236-conducting bars; 24-a circuit board; 25-a drive motor; 26-a screw rod; 27-a hall element; 28-rubber ring; 29-a lifting cover;

31-semicircular fan blades; 32-fan mounting holes; 33-liquid collecting holes; 34-a liquid collecting box;

41-round square joint; 42-square tube; 43-square right angle connectors; 44-a planar elbow joint; 45-square to round joint;

100-a smoke machine;

200-kitchen range; 201-a chassis; 202-an induction cooker module; 203-glass panel; 204-mesh enclosure mounting hole B; 205-heat dissipation ports; 206-control panel; 207-power supply box;

300-a cabinet body; 301-cabinet.

Detailed Description

The invention is further described below with reference to specific examples:

as shown in fig. 1, the downdraft smoke and kitchen all-in-one machine comprises a cabinet 300, wherein a kitchen range 200 and a smoke machine 100 for cooking food are arranged above the cabinet 300, and the smoke machine 100 is used for absorbing and filtering smoke generated by cooking food.

As shown in fig. 2 to 4, the cooktop 200 includes a chassis 201 disposed above the cabinet 300, a plurality of induction cooker modules 202, preferably two or four induction cooker modules, are disposed on the chassis 201, and a glass panel 20 is disposed above the induction cooker modules 202. For heat dissipation, the side walls and the bottom surface of the chassis 201 are provided with a plurality of heat dissipation ports 205 for heat dissipation of the induction cooker module 202. The middle part of the chassis 201 is also provided with a control panel 206 for controlling the cooking utensils 200 and the range hood 100 and a power supply box 207 for supplying power. In addition, the cooker 200 of the present embodiment may also be a gas range module.

The cigarette machine 100 comprises a cylindrical filter screen 1 arranged above the cabinet 300, a smoking box 2 arranged in the cabinet 300, a fan 3 and an exhaust passage 4.

The filter screen 1 is arranged in the middle of the cooker 200 in a penetrating manner, that is, a screen mounting hole B204 for mounting the filter screen 1 is formed in the chassis 201 at the center of the induction cooker module 202, and the filter screen 1 is arranged in the screen mounting hole B204, so that all-around smoking is realized.

As shown in fig. 6-8, the filter screen 1 includes a hollow smoke suction hood 11, the top of the smoke suction hood 11 is provided with an air suction inlet 12 close to the kitchen range 200, the air suction inlet 12 includes a plurality of side air suction holes 12a opened above the side wall of the smoke suction hood 11 and a plurality of upper air suction holes 12b arranged on the top surface of the smoke suction hood 11, and the side air suction holes 12a and the upper air suction holes 12b are circumferentially distributed with strip-shaped holes, so as to facilitate the absorption of surrounding oil smoke. In order to increase the strength, a reinforcing rib is provided at the middle of the side suction hole 12 a.

The bottom of the smoke suction hood 11 is provided with a first cylindrical filter screen 13, the smoke suction hood 11 and the first filter screen 13 form a smoke suction channel, the first filter screen 13 is arranged in the smoke suction box 2, and an oil collecting box 14 is arranged at the bottom of the first filter screen 13. Specifically, the upper end of the first filter screen 13 is detachably connected with the smoke suction hood 11 through a filter screen fixing ring 15, the middle part of the first filter screen is provided with a filter hole, and the lower end of the first filter screen is fixed with an oil collecting box 14. As shown in fig. 10, a fixing groove 141 is formed in the bottom of the oil collecting box 14, a plurality of layers of first filter screens 13 which are sleeved together are fixed in the fixing groove 141, filter holes of different first filter screens 13 are arranged in a staggered manner, and an oil collecting gap 142 is formed between an oil collecting wall of the oil collecting box 14 and the outermost first filter screen 13, so that oil can be collected conveniently.

In this embodiment, for convenience of installation, the filter screen fixing ring 15, the first filter screen 13 and the oil collecting box 14 are an integral unit, and the integral unit is arranged in the smoking box 2 to retain oil in the box body, so as to prevent other parts from being polluted.

Preferably, first filter screen 13 and smoke absorption lid 11 are cylindrical, and columniform filter screen panel 1 area is less, moreover, for the cross-sectional type setting of filter screen, the filter area of the first filter screen 13 of this structure greatly increased has also made things convenient for the vertical collection of oil of collection oil box 14. Of course, the first filter 13 or the smoke hood 11 can also be designed in a square shape. In another such embodiment, the hood 11 is square and the first filter 13 is circular and is interconnected by a filter fastening ring 15.

For better filtering oil smoke, can dismantle on the passageway between first filter screen 13 and the smoke absorption lid 11 and be provided with activated carbon filter screen 16, activated carbon filter screen 16 includes screen panel 161, lower screen panel 162 and sets up the activated carbon sponge 163 between the two, goes up screen panel 161 and lower screen panel 162 and passes through second buckle 165 fixed in structure, convenient equipment and stable in structure. The second buckle 165 structure includes a second limit protruding ring 164 disposed on the upper mesh enclosure 161, a second buckle 165 disposed below the second limit protruding ring 164, and a second clamping groove 166 disposed on the side wall of the lower mesh enclosure 162, and the second buckle 165 is clamped in the second clamping groove 166, so that the second limit protruding ring 164 abuts against the end of the lower mesh enclosure 162. Preferably, a third clamping groove 167 is formed in the second limiting convex ring 164, a third protrusion 168 is formed at the upper end of the lower mesh enclosure 162, and the third protrusion 168 is clamped in the third clamping groove 167.

In order to facilitate the replacement of the activated carbon filter screen 16, the top cover 17 is detachably disposed at the upper end of the smoke suction hood 11, the top cover 17 is provided with an upper air suction hole 12b, and the middle part of the top cover is further provided with a handheld part 171. Meanwhile, the top cover 17 may prevent the food material from falling into the smoke suction hood 11.

As shown in fig. 7, 9 and 11, for the convenience of disassembly, the detachable connection between the top cover 17 and the smoke suction hood 11/between the smoke suction hood 11 and the first filter 13/between the first filter 13 and the activated carbon filter 16 is realized through a first snap structure.

The first buckle structure comprises an L-shaped clamping groove 172 arranged on the periphery of one part and a first buckle bulge 173 arranged on the other part, a first limiting groove 174 is formed in the bottom of the L-shaped clamping groove 172, and a first limiting bulge 175 is formed in the bottom of the first buckle bulge 173, so that the first buckle structure can be detachably connected through rotation. The structure is convenient to disassemble and stable and reliable to assemble.

In this embodiment, the top cover 17 is provided with an L-shaped engaging groove 172, and the upper end of the smoke suction hood 11 is provided with a first engaging protrusion 173 having a corresponding shape. First filter screen 13 passes through filter screen fixed ring 15 and realizes being connected with other structures, is provided with two rows of first buckle archs 173 of connecting smoke suction hood 11 and active carbon filter screen 16 respectively on filter screen fixed ring 15's the inner wall promptly, corresponds on the bottom of smoke suction hood 11 and the active carbon filter screen 16 and is provided with L type draw-in groove 172.

In addition, the outer side wall of the filter screen cover is also provided with a mounting clamping groove 18 for mounting the filter screen cover 1.

Since the height of the cooking utensils is different, the distance between the air suction opening 12 and the cooking utensils directly affects the smoking effect, therefore, the filter screen 1 is set to be lifting. The concrete structure is as follows:

as shown in fig. 12 to 13, a lifting drive 21 is provided between the smoking box 2 and the filter screen 1 via a carriage 20. The sliding frame 20 is a supporting plate, two sides of the supporting plate are bent and then connected with the lifting slide block 23, a mesh enclosure mounting hole A211 is formed in the middle of the supporting plate, a mounting protrusion 212 is arranged on the side wall of the mesh enclosure mounting hole A211, a mounting clamping groove 18 corresponding to the shape is formed in the filter mesh enclosure 1, and the two mounting grooves and the mounting protrusion are detachably mounted. Preferably, the mounting slot 18 is arranged on the periphery of the filter screen fixing ring 15.

As shown in fig. 16, the height of the smoking box 2 is greater than the height of the filter screen 1, that is, after the filter screen 1 descends, the filter screen 1 can completely sink into the smoking box 2, so that the upper surface of the filter screen is flush with the surface of the kitchen range 200.

The lifting driving device 21 comprises lifting push rods 22 respectively arranged at two sides of the smoking box 2 and lifting slide blocks 23 movably arranged in the lifting push rods 22, and the two lifting slide blocks 23 are respectively connected with two ends of the sliding frame 20.

One or two lifting push rods 22 are internally provided with a lifting driving assembly for driving the lifting slide block 23 to move, and the lifting driving assembly is controlled by a circuit board 24. The lifting driving assembly comprises a driving motor 25 arranged on one side of the lifting push rod 22 and a screw rod 26 arranged inside the lifting push rod 22, screw rod mounting frames 227 are arranged at two ends of the rod piece 221, the screw rod 26 is rotatably arranged between the screw rod mounting frames 227, and a main shaft of the driving motor 25 is also arranged in one of the screw rod mounting frames 227 and is meshed with the screw rod 26. The lifting slide block 23 is sleeved on the screw rod 26 and moves through the rotation of the screw rod 26.

In this embodiment, the two lifting push rods 22 are driven by the driving motors 25 respectively, and the hall elements 27 are disposed at the tail portions of the driving motors 25, so that the hall elements 27 and the synchronous control system realize the synchronous rotation of the two driving motors 25.

In another embodiment, the lifting push rods are provided with lead screws, and when the lifting driving device has only one driving motor, the synchronicity of the lifting slide blocks 23 on both sides can be ensured through the synchronizing wheels, that is, the bottom of each of the two lead screws 26 is provided with a synchronizing wheel, a synchronous belt is arranged between the synchronizing wheels, and the synchronous lifting of the lifting slide blocks 23 is realized through the synchronous belt.

In order to utilize the height space of the chassis 201, the top of the smoking cartridge 2 is disposed within the chassis 201 such that the top surface is disposed within the upper surface of the chassis 201.

As shown in fig. 14-15, the lifting push rod 22 is a hollow rod 221, one side of the rod 221 is provided with a sliding slot 222 for the lifting slider 23 to pass through, two sides of the smoking box 2 are correspondingly provided with notches, the rod 221 at two sides of the sliding slot 222 is provided with an installation portion 226 in an extending manner, and the installation portion 226 is fixed at the notch of the smoking box 2 through a fastening member. The guide grooves 223 are symmetrically arranged on two sides of the inner cavity of the rod member 221, and the guide grooves 223 are surrounded by two groove strips 224 and have a small opening and a large inner section. The lifting slide block 23 comprises a slide block main body 231 arranged in the inner cavity of the rod piece 221, and a threaded hole is formed in the slide block main body 231 and sleeved on the screw rod 26. The slider main body 231 is provided with guide parts 232 matched with the guide grooves 223 in shape on two sides, the cross section of each guide part 232 is in a fan shape matched with the cross section of each guide part 232, the bottom of each guide part 232 is provided with an abutting part 234 abutting against the corresponding groove strip 224, the abutting parts 234 are perpendicular to the side surfaces of the guide parts 232, stress grooves 235 are formed in the intersecting positions, and accordingly surface scratching is prevented. The slider body 231 is further provided with a connecting portion 233, and the connecting portion 233 passes through the sliding groove 222 and is connected to one side of the sliding frame 20.

Preferably, a guide strip 236 is arranged on one side of the main body 231 of the slider opposite to the connecting portion 233, a corresponding guide rail 225 is arranged in the inner cavity of the rod 221, and the guide strip 236 and the guide rail 225 are abutted against each other, so that the condition that the inner end is inclined to cause unsmooth sliding can be prevented.

In order to protect the lifting driving device, a lifting cover 29 is arranged outside the lifting driving device; in order to facilitate wiring of the lifting driving devices on two sides, wiring holes for installing lines are formed in the inner side of the smoking box 2 inside the lifting cover 29, rubber rings 28 are arranged in the wiring holes, and grid pieces are arranged in the middle of the rubber rings 28, so that oil can be prevented from splashing.

As shown in fig. 17 to 18, in this embodiment, the fan 3 is an energy efficiency fan with front and rear double-sided air intake, and is disposed at one side in the smoke box 2, and the first filter screens 13 are disposed beside the fan 3 side by side, so as to achieve rapid absorption, filtration and discharge of oil smoke through the double-sided air intake. As shown in fig. 5, a fan mounting hole 32 for mounting the fan 3 is formed in the fan mounting surface, and the fan mounting hole 32 is connected to the exhaust passage 4. The fan installation surface is higher than the bottom surface of the smoking box 2 where the filter screen cover 1 is located, so that oil can be prevented from going out from the fan installation hole 32.

In order to prevent water from entering the smoking box 2 through the smoking cover, the bottom surface of the smoking box 2 where the filter screen 1 is located is provided with a liquid collecting hole 33, and the bottom of the liquid collecting hole 33 is detachably provided with a liquid receiving box 34.

Preferably, fan mounting hole 32 department still rotates and is provided with two semicircular fan blades 31, and the flabellum is through the sealed exhaust passage 4 that resets, works as fan 3, and the flabellum is opened to the elasticity that wind-force can overcome the piece that resets, can prevent that toy such as cockroach, mouse from climbing into smoking box through exhaust passage 4.

The cabinet body 300 below the range hood 100 is provided with a storage cabinet 301, and the exhaust passage 4 is composed of a round-square connector 41 connected to the fan mounting hole 32, a plurality of square pipes 42 and square right-angle connectors 43, and is arranged above, on the back and below the storage cabinet 301. The exhaust channel designed by the invention uses the square pipe to replace a round pipe and is distributed around the storage cabinet, so that the size of an installation gap between the storage cabinet and the cabinet body is reduced, more storage space is provided for the storage cabinet, and the space utilization rate of the cabinet body is greatly improved. In addition, the exhaust passage 4 of the embodiment may be a hard metal pipe or a plastic pipe, or may be a hose.

Preferably, the exhaust duct 4 is further disposed at the bottom of the storage cabinet 301, and the air outlet is disposed at one side of the bottom of the cabinet 300 through the flat elbow joint 44. As shown in fig. 4, in the present embodiment, the air outlet of the exhaust channel 4 is disposed at the front side of the cabinet 300; as shown in fig. 19, the air outlet is arranged at the left side of the cabinet 300; as shown in fig. 20, the air outlet is disposed at the right side of the cabinet 300.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. A downdraft smoke and cooking stove all-in-one machine comprises a cabinet body (300);

the cooking range (200) is arranged above the cabinet body (300) and is used for cooking food;

the cigarette machine (100), install on cabinet body (300), be used for absorbing and filtering the oil smoke that the culinary art food produced, its characterized in that:

the range hood (100) comprises a columnar filter screen (1) arranged above the cabinet body (300), a smoking box (2) arranged in the cabinet body (300), a fan (3) and an exhaust passage (4);

the filter screen cover (1) is arranged in the middle of the stove (200) and comprises a hollow smoke suction hood (11), the top of the smoke suction hood (11) is provided with an air suction opening (12) close to the stove (200), the bottom of the smoke suction hood is provided with a columnar first filter screen (13), a smoke suction channel is formed inside the smoke suction hood (11) and the first filter screen (13), the first filter screen (13) is arranged in the smoke suction box (2), and the bottom of the first filter screen is provided with an oil collecting box (14);

the smoke suction box (2) is provided with a fan (3), the air inlet of the fan (3) is communicated with the inner cavity of the smoke suction box (2), and the air outlet of the fan (3) is connected with an exhaust passage (4).

2. The downdraft cooking range all-in-one machine according to claim 1, wherein: the air suction opening (12) comprises a plurality of side air suction holes (12a) arranged above the side wall of the fume suction hood (11) and a plurality of upper air suction holes (12b) arranged on the top surface of the fume suction hood (11).

3. The downdraft cooking range all-in-one machine according to claim 1, wherein: the first filter screen (13) and the smoke suction hood (11) are both cylindrical; the upper end of the first filter screen (13) is connected with the smoke absorbing hood (11) through a filter screen fixing ring (15), the middle part of the first filter screen is provided with a filter hole, and the lower end of the first filter screen is fixed with an oil collecting box (14).

4. A downdraft cooking hob according to any one of the claims 1 to 3, wherein: an active carbon filter screen (16) is detachably arranged on a channel between the first filter screen (13) and the smoke suction hood (11).

5. The downdraft cooking range all-in-one machine according to claim 4, wherein: the activated carbon filter screen (16) comprises an upper screen cover (161), a lower screen cover (162) and activated carbon sponge (163) arranged between the upper screen cover and the lower screen cover, wherein the upper screen cover (161) and the lower screen cover (162) are structurally fixed through a second buckle (165).

6. The downdraft cooking range all-in-one machine according to claim 5, wherein: the second buckle (165) structure comprises a second limiting convex ring (164) arranged on the upper mesh enclosure (161), a second buckle (165) arranged below the second limiting convex ring (164), and a second clamping groove (166) arranged on the side wall of the lower mesh enclosure (162), and the second buckle (165) is clamped in the second clamping groove (166) to enable the second limiting convex ring (164) to be abutted against the end part of the lower mesh enclosure (162); a third clamping groove (167) is formed in the second limiting convex ring (164), a third protrusion (168) is arranged at the upper end of the lower mesh enclosure (162), and the third protrusion (168) is clamped in the third clamping groove (167).

7. The downdraft cooking range all-in-one machine according to claim 6, wherein: the upper end of the smoke suction hood (11) is detachably provided with a top cover (17), the top cover (17) is provided with an upper air suction hole (12b), and the middle part of the top cover is also provided with a handheld part (171).

8. The downdraft cooking range all-in-one machine according to claim 7, wherein: the detachable connection between the top cover (17) and the smoke absorption hood (11), between the smoke absorption hood (11) and the first filter screen (13), between the first filter screen (13) and the activated carbon filter screen (16) is realized through a first buckle structure;

the first buckle structure comprises an L-shaped clamping groove (172) arranged on the periphery of one part and a first buckle protrusion (173) arranged on the other part, a first limiting groove (174) is formed in the bottom of the L-shaped clamping groove (172), a first limiting protrusion (175) is arranged at the bottom of the first buckle protrusion (173), and the first buckle structure can be detachably connected through rotation.

9. The downdraft cooking range all-in-one machine according to claim 1, wherein: a lifting driving device (21) is arranged between the smoking box (2) and the filter screen (1) through a sliding frame (20), the lifting driving device (21) comprises lifting push rods (22) respectively arranged at two sides of the smoking box (2) and lifting slide blocks (23) movably arranged in the lifting push rods (22), and the two lifting slide blocks (23) are respectively connected with two ends of the sliding frame (20);

one or two lifting push rods (22) are internally provided with a lifting driving assembly for driving the lifting slide block (23) to move, the lifting driving assembly comprises a driving motor (25) arranged on one side of the lifting push rods (22) and a screw rod (26) arranged inside the lifting push rods (22), the lifting slide block (23) is sleeved on the screw rod (26), and the lifting driving assembly is controlled by a circuit board (24).

10. The downdraft cooking range all-in-one machine according to claim 9, wherein: the two lifting push rods (22) are driven by the driving motors (25) respectively, the tail parts of the driving motors (25) are provided with Hall elements (27), and the two driving motors (25) synchronously rotate through the Hall elements (27) and a synchronous control system.

11. The downdraft cooking range all-in-one machine according to claim 9, wherein: the lifting push rod (22) is a hollow rod piece (221), one side of the rod piece (221) is provided with a sliding groove (222) for the lifting slide block (23) to pass through, and guide grooves (223) are symmetrically arranged on two sides of the inner cavity of the rod piece (221); the lifting slide block (23) comprises a slide block main body (231) which is arranged in an inner cavity of the rod piece (221) and sleeved on the screw rod (26), guide parts (232) matched with the guide grooves (223) in shape are arranged on two sides of the slide block main body (231), a connecting part (233) is further arranged on the slide block main body (231), and the connecting part (233) penetrates through the sliding groove (222) to be connected to one side of the sliding frame (20).

12. The downdraft cooking range all-in-one machine according to claim 11, wherein: the guide groove (223) is formed by two groove bars (224) in an enclosing mode, the cross section of the guide part (232) is small in opening and large in inside, the cross section of the guide part is in a fan shape matched with the guide part, and the bottom of the guide part is provided with an abutting part (234) abutting against the groove bars (224); the abutting part (234) is perpendicular to the side surface of the guide part (232), and a stress groove (235) is formed in the intersection position.

13. The downdraft cooking range all-in-one machine according to claim 9, wherein: carriage (20) are a backup pad, connect after the both sides bending of backup pad lifting slide (23), screen panel mounting hole A (211) has been seted up at the middle part of backup pad, and the lateral wall of screen panel mounting hole A (211) is provided with installation arch (212), be provided with installation draw-in groove (18) that correspond the shape on filtering screen panel (1), both demountable installation.

14. The downdraft cooking range all-in-one machine according to claim 1, wherein: the fan (3) is arranged on one side in the smoke suction box (2), the fan mounting surface is higher than the bottom surface of the smoke suction box (2) where the filter screen cover (1) is located, a fan mounting hole (32) for mounting the fan (3) is formed in the fan mounting surface, and the fan mounting hole (32) is connected with the exhaust channel (4).

15. The downdraft cooking range all-in-one machine according to claim 14, wherein: the bottom surface of the smoking box (2) where the filter screen (1) is arranged is provided with a liquid collecting hole (33), and the bottom of the water collecting hole (33) is detachably provided with a liquid receiving box (34).

16. The downdraft cooking range all-in-one machine according to claim 1, wherein: the cabinet body (300) below the cigarette machine (100) is provided with a storage cabinet (301), the exhaust channel (4) is composed of a round-square connector (41), a plurality of square pipes (42) and a square right-angle connector (43), the round-square connector (41) is connected with a round air outlet of the fan (3), and the exhaust channel (4) is fixed in the cabinet body (300) and arranged around the upper part, the back part and the lower part of the storage cabinet (301).

17. The downdraft cooking range all-in-one machine according to claim 16, wherein: the exhaust passage (4) is also arranged at the bottom of the storage cabinet (301), and the air outlet is arranged at one side of the bottom of the cabinet body (300) through the plane elbow joint (44).

18. The downdraft cooking range all-in-one machine according to claim 1, wherein: the kitchen range (200) comprises a chassis (201) arranged above a cabinet body (300), a plurality of induction cooker modules (202) are arranged on the chassis (201), and a glass panel (203) is arranged above the induction cooker modules (202); and a mesh enclosure mounting hole B (204) for mounting a filter mesh enclosure (1) is also formed in the chassis (201) at the center of the induction cooker module (202).