CN216047939U - Ceiling type range hood - Google Patents

Abstract

The utility model relates to the technical field of kitchen appliances, in particular to a top-suction type range hood. The utility model provides a top-suction type range hood which comprises a machine body and a smoke collecting device, wherein a smoke sucking hole facing to the lower side and communicated with a flue is formed in the machine body, the first end of a smoke guide plate is rotatably connected with the machine body, and the second end of the smoke guide plate is detachably connected with the machine body. When the range hood does not work, the smoke guide plate is collected into the machine body, and the space between the machine body and the table top of the stove body is larger because the range hood is a top suction type range hood; when the range hood works, the second end part of the smoke guide plate is separated from the machine body, the second end part of the smoke guide plate rotates downwards around the first end part to open the smoke suction hole, a smoke collection cavity is formed among the smoke guide plate, the filter screen assembly and the machine body, and the smoke suction hole of the smoke collection cavity moves downwards to improve the smoke exhaust effect of the range hood; meanwhile, the first oil receiving box is arranged on the filter screen assembly, so that oil dropping from the filter screen assembly can be collected when the range hood operates, and the cleanness of the range hood during use is ensured.

Description

Ceiling type range hood

Technical Field

The utility model relates to the technical field of kitchen appliances, in particular to a top-suction type range hood.

Background

The household range hood is a tool which is arranged above a cooking utensil and used for exhausting oil smoke, and has the oil smoke absorption effect and occupies a kitchen space so that a user can select the range hood.

The range hood can be generally divided into a side-draft range hood and a top-draft range hood. Wherein, the side-draught range hood is a technique that adopts from the side air inlet and oil smoke, and the lower extreme of side-draught range hood is nearer apart from the top of a kitchen range, and consequently its smoking hole is nearer from the oil smoke source, can the first time locking produce the oil smoke to can effectually shorten the distance of motion that the oil smoke rises, but because the lower extreme of range hood is nearer from the top of a kitchen range, consequently occupy the space of cupboard below too big, make the user produce the sense of oppressing easily.

The top-suction type range hood is hung on the upper side of a cooking bench, the position of a smoke suction hole of the top-suction type range hood is far away from a cooking area, and although kitchen space is saved, the smoke suction effect is poor.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: the existing range hood can not improve the smoking effect of the range hood while saving space.

(II) technical scheme

In order to solve the technical problem, an embodiment of the utility model provides a top-suction type range hood, which comprises a body, a smoke collecting device and a first oil receiving box, wherein a flue is formed in the body, a smoke sucking hole facing to the lower side is formed in the body, the smoke sucking hole is communicated with the flue, and the smoke collecting device is arranged at the smoke sucking hole; the cigarette gathering device comprises a filter screen assembly and a cigarette guide plate, the cigarette guide plate is provided with a first end part and a second end part which are opposite, the first end part of the cigarette guide plate is rotatably connected with the machine body, the second end part of the cigarette guide plate is detachably connected with the machine body, and the filter screen assembly is connected between the cigarette guide plate and the machine body; when the second end part of the smoke guide plate is connected with the machine body, the smoke guide plate and the filter screen assembly are put into the machine body; when the second end part of the smoke guide plate is separated from the machine body, a smoke collection cavity communicated with the smoke suction hole is formed among the smoke guide plate, the filter screen assembly and the machine body; the filter screen assembly is provided with a via hole for communicating the smoke collecting cavity with the outside.

According to one embodiment of the utility model, one end of the filter screen assembly is connected with the second end of the smoke guide plate, the other end of the filter screen assembly is connected with the machine body, and the first oil receiving box is arranged at the end, connected with the smoke guide plate, of the filter screen assembly.

The filter screen assembly comprises a first filter screen and a second filter screen, and the first filter screen and the second filter screen are both provided with the through holes;

one end of the first filter screen is rotatably connected with the machine body, the other end of the first filter screen is rotatably connected with one end of the second filter screen, and the other end of the second filter screen is rotatably connected with the second end part of the smoke guide plate; the first oil receiving box is arranged at one end of the second filter screen connected with the blocking piece.

According to an embodiment of the utility model, the projections of the first and second sieves in a horizontal plane at least partly overlap.

According to an embodiment of the utility model, the top-suction range hood further comprises a driving mechanism, and the driving mechanism is connected with the first oil receiving box and is used for driving the first oil receiving box to rotate.

According to one embodiment of the utility model, the driving mechanism comprises a rotary mounting seat and a motor, the motor is connected with the rotary mounting seat through a mounting shaft, and the rotary mounting seat is connected with the first oil receiving box.

According to one embodiment of the utility model, the first oil receiving box is a box-shaped structure with an open upper end, two opposite side walls of the open end of the first oil receiving box are connected with blocking pieces, and a flaring structure is formed between the two blocking pieces.

According to one embodiment of the utility model, the machine body comprises a shell and a smoke collecting cover, wherein a smoke channel is formed in the shell, the smoke collecting cover is connected to the lower end of the shell, and a smoke sucking hole communicated with the smoke channel is formed in the smoke collecting cover.

According to one embodiment of the utility model, the smoke collecting cover is further provided with a second oil receiving box.

According to one embodiment of the utility model, two sides of the smoke guide plate are respectively connected with a smoke blocking component;

when the second end part of the smoke guide plate is connected with the machine body, the smoke blocking component is contained in the machine body; when the second tip of smoke deflector with when the organism separation, smoke deflector the filter screen subassembly with keep off and form between the cigarette subassembly the collection cigarette chamber.

According to one embodiment of the utility model, the smoke barrier assembly comprises a spool and a smoke barrier; the cigarette blocking piece is made of flexible materials and is wound on the scroll, the scroll is fixed in the cigarette smoking hole, and the cigarette blocking piece is connected with the cigarette guide plate.

The utility model has the beneficial effects that: the utility model provides a top-suction type range hood which comprises a machine body and a smoke collecting device, wherein a smoke sucking hole which faces to the lower side and is communicated with a flue is formed in the machine body, the smoke collecting device comprises a smoke guide plate and a filter screen assembly, the first end of the smoke guide plate is rotatably connected with the machine body, and the second end of the smoke guide plate is detachably connected with the machine body. When the range hood does not work, the smoke guide plate is collected into the machine body, and the space between the machine body and the table top of the stove body is larger because the range hood is a top suction type range hood; when the range hood works, the second end part of the smoke guide plate is separated from the machine body, the second end part of the smoke guide plate rotates downwards around the first end part to open a smoke suction hole, a smoke collection cavity is formed among the smoke guide plate, the filter screen assembly and the machine body, and the smoke guide plate rotates downwards to form the smoke collection cavity, so that the smoke suction hole of the smoke collection cavity moves downwards to be closer to a cooking bench, namely closer to a lampblack source head, the movement distance of lampblack can be shortened, the lampblack enters the smoke collection cavity at the first time and enters a flue through the smoke collection cavity to be discharged, and the smoke discharge effect of the range hood can be further improved; meanwhile, the first oil receiving box is arranged on the filter screen assembly, so that oil dropping from the filter screen assembly can be directly collected when the range hood operates, and the cleaning performance of the range hood during use can be further ensured.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a front view of a closed state of a ceiling-mounted range hood according to an embodiment of the present invention;

fig. 2 is a side view of a closed state of a top-suction range hood according to an embodiment of the present invention;

fig. 3 is a front view of the open state of the top-suction type extractor hood according to an embodiment of the present invention;

fig. 4 is a side view of the open state of the top-suction range hood according to one embodiment of the present invention;

fig. 5 is an exploded view of a ceiling-mounted range hood according to an embodiment of the present invention;

FIG. 6 is a side view of a smoke deflector according to one embodiment of the present invention from closed to open;

FIG. 7 is an enlarged view of portion A of FIG. 6;

FIG. 8 is a side view of the screen assembly;

FIG. 9 is a top view of the screen assembly;

FIG. 10 is a schematic view of a first oil receiving box;

FIG. 11 is a schematic view of a swivel mount;

fig. 12 is an exploded view of a top-suction range hood according to another embodiment of the present invention;

fig. 13 is a side view of a top-suction range hood according to another embodiment of the present invention in a closed state;

FIG. 14 is an enlarged view of portion B of FIG. 13;

fig. 15 is a side view of a top-suction range hood according to another embodiment of the present invention in an open state;

FIG. 16 is an enlarged view of section C of FIG. 15;

FIG. 17 is an enlarged view of section D of FIG. 15;

FIG. 18 is a schematic view of the second strainer cooperating with the smoke deflector;

fig. 19 is a schematic view of a pressure sensing assembly.

Icon: 1-ceiling type smoke exhaust ventilator; 11-a housing; 12-collecting the smoke hood; 121-smoking holes; 122-a connecting seat; 1221-first installation shaft; 123-a second oil receiving box; 124-a smoke barrier assembly;

13-a cigarette collecting device; 131-a smoke guide plate; 1311-lining board; 1312-a third installation shaft; 132-a screen assembly; 1321-a first screen; 13211 — a first mounting frame; 13212-first mesh panel; 13213 — a first mount; 13214 — a second mount; 13215-a first sleeve; 13216 — second mounting shaft;

1322-a second screen; 13221 — a second mounting frame; 13222-second mesh panel; 13223-a third mount; 13224-fourth mount; 13225-a second sleeve; 13226-third sleeve; 1323-via;

14-a volute assembly; 15-a first oil receiving box; 151-baffle plate; 152-a rotating mount;

16-a pressure sensitive component; 161-fixed block; 1611-connecting grooves; 162-fixed column; 1621-a limiting groove; 1622-a limit ball; 163-a first elastic member; 164-a second elastic member; 165-placing holes;

17-a magnetic component; 171-an electromagnetic member; 172-a second connector; 173-boat type switch.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be described in further detail below with reference to the accompanying drawings and detailed description, and the embodiments and features of the embodiments of the present application may be combined with each other without conflict. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

An embodiment of the present invention provides a ceiling type range hood 1, as shown in fig. 1 to 19, the ceiling type range hood 1 includes a body, a smoke collection device 13 and a first oil receiving box 15, a smoke channel is formed in the body, a smoke collection hole 121 facing downward is formed on the body, the smoke collection hole 121 is communicated with the smoke channel, and the smoke collection device 13 is disposed at the smoke collection hole 121. The cigarette gathering device 13 comprises a cigarette guiding plate 131 and a filter screen assembly 132, the cigarette guiding plate 131 is provided with a first end and a second end which are opposite, the first end of the cigarette guiding plate 131 is rotatably connected with the machine body, and the second end of the cigarette guiding plate 131 is detachably connected with the machine body; when the second end of the smoke guide plate 131 is connected with the machine body, the smoke guide plate 131 is received in the machine body; when the second tip of smoke guide plate 131 with during the organism separation, smoke guide plate 131 filter screen subassembly 132 with form between the organism with the collection smoke chamber of smoking hole 121 intercommunication, be equipped with intercommunication collection smoke chamber and external via hole 1323 on the filter screen subassembly 132.

The ceiling type range hood 1 provided by the embodiment comprises a body and a smoke collecting device 13, wherein a smoke sucking hole 121 which faces the lower side and is communicated with a flue is formed in the body, a first end part of a smoke guide plate 131 is rotatably connected with the body, and a second end part of the smoke guide plate 131 is detachably connected with the body. When the range hood does not work, the smoke guide plate 131 and the filter screen assembly are contained in the machine body, and the space between the machine body and the table top of the stove body is larger because the range hood is the top suction type range hood 1; when the range hood is in operation, the second end of the smoke guide plate 131 is separated from the machine body, the second end of the smoke guide plate 131 rotates downwards around the first end to open the smoke suction hole 121, at the moment, the smoke guide plate 131 and the filter screen assembly 132 form a smoke collection cavity with the machine body, and the smoke guide plate 131 rotates downwards to form the smoke collection cavity, so that the smoke inlet area of the smoke collection cavity moves downwards to be closer to a cooking bench, namely closer to a smoke source head, the movement distance of smoke can be shortened, the smoke enters the smoke collection cavity at the first time, and enters the smoke flue through the smoke collection cavity to be discharged, and further the smoke exhaust effect of the range hood can be improved. Compared with the existing top-suction range hood 1, the top-suction range hood 1 provided by the application can adjust the smoke guide plate 131 according to the working state, so that a sufficient operation space is ensured between the top-suction range hood 1 and the top of a cooking bench, the smoke suction hole 121 can be moved downwards when the range hood works, the moving distance of oil smoke is shortened, the oil smoke loss is reduced, and the oil smoke suction effect of the range hood is improved; compare in current side-draught range hood, the top-draught range hood 1 that this embodiment provided can enough guarantee the smoke exhaust effect, can also solve side-draught range hood and top of a kitchen range mesa distance near simultaneously, occupies the too big problem of cupboard below space. Meanwhile, the first oil receiving box 15 is arranged on the filter screen assembly 132, so that oil dropping from the filter screen assembly 132 can be directly collected when the range hood operates, and the cleaning performance of the range hood during use can be further ensured.

According to the ceiling-mounted range hood 1 provided by the embodiment of the utility model, the smoke collecting device 13 can be hidden when not used, meanwhile, the smoke inlet position of the whole range hood can be adjusted, the smoke sucking hole 121 can move downwards according to the amount of cooking smoke, the negative pressure area moves along with the movement of the smoke sucking hole 121, and the area is opened by rotating according to the cooking condition, so that the cost is saved, the local negative pressure area is improved, and the smoke sucking effect is improved.

According to an embodiment of the utility model, a lining plate 1311 is arranged on the inner side of the smoke guide plate 131, the lining plate 1311 is detachably connected with the machine body, a first end of the smoke guide plate 131 is rotatably connected with the machine body, and a second end of the smoke guide plate 131 is detachably connected with the machine body; as shown in fig. 1 and 2, when the range hood does not work, the second end of the smoke guide plate 131 is connected to the body, and the smoke guide plate 131 shields the smoke suction hole 121, wherein the range hood 1 is a ceiling-mounted range hood in the present embodiment, so that the smoke guide plate 131 is substantially horizontal when being received in the body, and the distance between the smoke guide plate 131 and the top of the cooking bench is larger, thereby saving space; in general, the range hoods are installed on the lower side of the cabinet in the kitchen, and therefore the ceiling-mounted range hood 1 provided by the embodiment can save the space on the lower side of the cabinet.

According to one embodiment of the present invention, as shown in fig. 5, 8, 9 and 12, the screen assembly 132 includes a first screen 1321 and a second screen 1322, each of the first screen 1321 and the second screen 1322 having the through holes 1323; one end of the first filter screen 1321 is rotatably connected to the machine body, the other end of the first filter screen 1321 is rotatably connected to one end of the second filter screen 1322, and the other end of the second filter screen 1322 is rotatably connected to the second end of the smoke guide plate 131.

In this embodiment, the filter screen assembly 132 includes a first filter screen 1321 and a second filter screen 1322, and the first filter screen 1321 and the second filter screen 1322 are rotatably connected, and the first filter screen 1321 and the machine body, and the second filter screen 1322 and the smoke guide plate 131 are rotatably connected, as shown in fig. 1, fig. 2 and fig. 13, therefore, when the range hood is not in operation, the first filter screen 1321, the second filter screen 1322 and the smoke guide plate 131 are mutually folded and collected into the machine body through rotational connection, and the second end of the smoke guide plate 131 is connected to the machine body, and at this time, the first filter screen 1321 and the second filter screen 1322 are both collected into the machine body and blocked by the smoke guide plate 131, so that dust, impurities and the like cannot enter the flue through the oil screen, and at the same time, the first filter screen 1321 and the second filter screen 1322 are mutually folded when collected, thereby further saving the space inside the machine body.

As shown in fig. 3, 6 and 15, when the range hood works, the second end of the smoke guide plate 131 rotates downward to drive the second filter screen 1322 to rotate relative to the smoke guide plate 131 and the second filter screen 1322 to rotate relative to the first filter screen 1321 and the first filter screen 1321, at this time, the first filter screen 1321, the second filter screen 1322 and the smoke guide plate 131 are expanded, a smoke collection chamber is formed between the first filter screen 1321, the second filter screen 1322, the smoke guide plate 131 and the machine body, smoke generated by cooking enters the smoke collection chamber through the through holes 1323 on the first filter screen 1321 and the second filter screen 1322, and because the first filter screen 1321 and the second filter screen are rotationally connected with each other, after the first filter screen 1321 and the second filter screen 1322 are expanded, the smoke inlet region moves downward, the smoke inlet region is closer to the oil smoke source, and the smoking effect can be improved.

According to an embodiment of the present invention, as shown in fig. 10 and 18, the lower end of the second filter screen 1322 is connected to the first oil receiving box 15, when the range hood works, the smoke guide plate 131 rotates downward to drive the first filter screen 1321 and the second filter screen 1322 to expand, at this time, when oil smoke enters the smoke collection cavity, the oil smoke may drip downward along the first filter screen 1321 and the second filter screen 1322, at this time, the first oil receiving box 15 is disposed at the lower end of the second filter screen 1322, so that oil grease can be better collected, the oil grease is prevented from dripping on the cooking bench, and the use experience of a user is better. It can be understood that in this embodiment, a first oil receiving box 15 may also be disposed on the smoke guide plate 131, and the first oil receiving box 15 is located at a connection position of the second filter screen 1322 for collecting grease flowing downward on the second filter screen 1322 due to gravity.

According to an embodiment of the present invention, the top-suction range hood further includes a driving mechanism, the driving mechanism is connected to the first oil receiving box 15 for driving the first oil receiving box 15 to rotate, the first oil receiving box 15 can rotate, and since the first filter screen 1321 and the second filter screen 1322 both rotate along with the rotation of the smoke guide plate 131, if the opening of the first oil receiving box 15 faces towards the fixed direction, the opening of the first oil receiving box 15 may incline towards the side or the lower side, grease in the first oil receiving box 15 may flow out and drip on the smoke guide plate 131 or the smoke collecting hood 12. Therefore, in the application, the first oil receiving box 15 is driven to rotate by arranging the rotating mechanism, so that the opening of the first oil receiving box 15 is always upward, and the grease in the first oil receiving box 15 is prevented from flowing out; as shown in fig. 16 and 17, the direction of the arrows in the figures indicate the direction of flow of grease over the first screen 1321 and the second screen 1322.

As shown in fig. 10 and 11, in this embodiment, the rotating mechanism includes a rotating mounting seat 152 and an installation shaft, the first oil receiving box 15 is fixedly connected to the rotating mounting seat 152, the installation shaft is connected to the rotating mounting seat 152, the driving motor is in transmission connection with the installation shaft to drive the installation shaft to rotate, and further drive the first oil receiving box 15 to rotate through the installation shaft, wherein the rotating mounting seat 152 is fixed to the lower end of the second filter screen 1322, a shaft hole is formed in the rotating mounting seat 152, and the installation shaft is inserted into the shaft hole to drive the rotating mounting seat 152 to rotate.

As shown in fig. 10, the first oil receiving box 15 is a box-shaped structure with an open upper end, the open end of the first oil receiving box 15 is connected with a blocking piece 151 along the length direction, and the two blocking pieces 151 form a flaring structure at the upper end of the first oil receiving box 15, so that the dropped grease can be better collected.

According to an embodiment of the present invention, as shown in fig. 15, when the smoke guide 131 rotates to the maximum angle, the projections of the first filter 1321 and the second filter 1322 in the horizontal plane are partially overlapped, that is, the projection of the lower end of the first filter 1321 falls on the second filter 1322, and at this time, oil drops of the first filter 1321 fall on the second filter 1322 along the first filter 1321, but do not fall on the top of the kitchen range, which can improve the grease collection effect.

According to an embodiment of the present invention, as shown in fig. 5, 6, 12 and 13, the body of the ceiling-mounted range hood 1 provided by this embodiment includes a hood 12 and a housing 11, a volute component 14 is disposed in the housing 11, an air duct is formed in the volute component 14, the hood 12 is mounted at the lower end of the housing 11, and a smoke suction hole 121 communicated with a smoke flue is disposed on the hood 12. As shown in fig. 1, fig. 3, fig. 5 and fig. 12, a plurality of smoking holes 121 are formed in the smoke collecting cover 12, one smoke collecting device 13 is arranged in each smoking hole 121, that is, a smoke guide plate 131 and a filter screen assembly 132 are arranged at each smoking hole 121, and at this time, a user can selectively open the smoking holes 121 according to the use condition of the cooker. As shown in fig. 1, fig. 3, fig. 5 and fig. 12, two smoke collecting holes 121 are formed in the smoke collecting hood 12, and a smoke collecting device 13 is disposed at each smoke collecting hole 121, so that the operating state of the range hood can be flexibly adjusted, energy is saved, and the oil smoke suction efficiency is improved.

Optionally, the smoke collecting cavity is further provided with an illuminating lamp, the illuminating lamp and the smoke absorbing holes 121 are arranged in a one-to-one correspondence mode, and the cooking bench can be illuminated during cooking through the illuminating lamp.

As shown in fig. 5 and 6, the smoke collecting hood 12 is further provided with a second oil receiving box 123, so that when the smoke guide plate 131 closes the smoke suction hole 121, grease on the first filter screen 1321 and the second filter screen 1322 flows into the second oil receiving box 123, thereby further improving the grease collecting effect and preventing the grease from falling on the top surface of the kitchen range. Preferably, in this embodiment, the second oil receiving box 123 is located on the smoke-collecting hood 12, just the bottom surface of the smoke-collecting hood 12 is a plane of slope, and is specific the smoke-collecting hood 12 is inclined from top to bottom by the rear end to the front end, the second oil receiving box 123 is located the front end of the smoke-collecting hood 12, the slope of the smoke-collecting hood 12 is set up and can be convenient for grease collection, it should be explained that although smoke-collecting hood 12 inclines in this embodiment, it is only the slope of small angle, and the slope mode with the side-draft range hood is different, and the front end refers to the one end towards the user in this embodiment, and the rear end is the one end that deviates from the user.

According to an embodiment of the present invention, the end of the first filter 1321 connected to the machine body is an upper end, the end connected to the second filter 1322 is a lower end, the end of the second filter 1322 connected to the first filter 1321 is an upper end, the end connected to the smoke guide plate 131 is a lower end, the first end of the smoke guide plate 131 is an upper end, and the second end of the smoke guide plate 131 is a lower end. As shown in fig. 6, 13, and 14, the machine body is provided with a connecting seat 122, the connecting seat 122 is connected with a first mounting shaft 1221, the upper end of the first filter screen 1321 is connected with a first sleeve 13215, and the upper end of the first filter screen 1321 is rotatably connected with the machine body through the rotation fit between the first mounting shaft 1221 and the first sleeve 13215.

Preferably, in this embodiment, the first filter screen 1321 includes a first mounting frame 13211 and a first screen plate 13212 disposed in the first mounting frame 13211, and the first screen plate 13212 may be formed by cross-connecting iron wires or steel wires to form a grid structure, so as to form a plurality of through holes 1323; of course, the first net plate 13212 may also have a plate-shaped structure, and a plurality of through holes 1323 are formed in the first net plate 13212. Optionally, in this embodiment, the first mesh plate 13212 is a plate-shaped structure, and the first mesh plate 13212 is provided with a plurality of strip-shaped via holes 1323. In this embodiment, a first fixing frame 13213 is connected to an upper end of the first mounting frame 13211, and the first sleeve 13215 is integrated on the first fixing frame 13213, wherein the first fixing frame 13213 may be connected to the first sleeve 13215 by welding, and is also an integrally formed structure. In this embodiment, the first filter 1321 may also be rotatably connected to the machine body by a hinge or a bearing in cooperation with the mounting shaft.

As shown in fig. 6 and 8, according to an embodiment of the present invention, a second fixing frame 13214 is connected to a lower end of the first filter 1321, a second mounting shaft 13216 is connected to the second fixing frame 13214, a third fixing frame 13223 is connected to an upper end of the second filter 1322, and a second sleeve 13225 is connected to the third fixing frame 13223; the lower end of the first screen 1321 is rotatably engaged with the upper end of the second screen 1322 by engagement of the second mounting shaft 13216 with the second sleeve 13225.

Optionally, as shown in fig. 6 and 8, in this embodiment, the second filter screen 1322 includes a second mounting frame 13221 and a second screen plate 13222 disposed in the second mounting frame 13221, and at least one through hole 1323 is formed in the second screen plate 13222; the second net plate 13222 may be formed by iron wires or steel wires which are cross-connected to each other to form a grid-like structure, so as to form a plurality of the through holes 1323; of course, the second net plate 13222 may also be a plate-shaped structure, and a plurality of via holes 1323 are formed on the second net plate 13222; optionally, in this embodiment, the second mesh plate 13222 is a plate-shaped structure, and the second mesh plate 13222 is provided with a plurality of strip-shaped via holes 1323. The upper end of the second mounting frame 13221 is connected to the third fixing frame 13223, the lower end of the second mounting frame 13221 is connected to the fourth fixing frame 13224, the fourth fixing frame 13224 is connected to the third mounting shaft 1312, the smoke guide plate 131 is connected to the third sleeve 13226, and the smoke guide plate 131 is rotatably connected to the second filter screen 1322 through the cooperation of the third mounting shaft 1312 and the third sleeve 13226.

According to an embodiment of the present invention, as shown in fig. 4, two sides of the smoke guide plate 131 are respectively connected with a smoke blocking component 124; when the second end of the smoke guide plate 131 is connected to the machine body, the smoke blocking assembly 124 is received in the machine body; when the second end of the smoke guide 131 is separated from the body, the smoke collection chamber is formed among the smoke guide 131, the filter screen assembly 132, and the smoke blocking assembly 124. Keep off cigarette subassembly 124 through setting up and to make the collection smoke chamber only through via hole 1323 and external intercommunication on the filter screen subassembly 132, also be that guide smoke plate 131, filter screen subassembly 132 and keep off and can form relative inclosed collection smoke chamber between the cigarette subassembly 124, the flue gas that the culinary art produced only can enter into collection smoke chamber through filter screen subassembly 132, and then can prevent to get into the oil smoke in the collection smoke chamber to the outside loss, and then promote smoke exhaust effect.

Preferably, in this embodiment, the smoke blocking assembly includes a mounting shaft and a smoke blocking member; the smoke blocking piece is made of flexible materials and is wound on the reel, the reel is fixed in the smoke suction hole 121, and the smoke blocking piece is connected with the smoke guide plate 131; in the embodiment, the scroll can rotate, when the range hood does not work, the smoke blocking piece is wound on the scroll, the scroll is positioned in the machine body, and the filter screen component 132 is also accommodated in the machine body; when the range hood works, the lower end of the smoke guide plate 131 downwards rotates to drive the scroll to rotate, the smoke blocking part wound on the scroll is unfolded, the smoke guide plate 131, the smoke blocking parts positioned on the two sides of the smoke guide plate 131, the filter screen assembly 132 and the machine body are enclosed into a smoke collecting cavity, and the smoke blocking parts can prevent oil smoke in the smoke collecting cavity from escaping.

Preferably, in this embodiment, the smoke blocking member is nylon cloth, the nylon cloth is wound on a reel, and the reel can rotate along with the opening of the smoke guide plate 131, so that the smoke blocking member can be unfolded along with the opening of the smoke guide plate 131; moreover, the reel is provided with an automatic reset piece, when the smoke guide plate 131 rotates upwards and is collected into the machine body, the reset piece can drive the reel to rotate, so that the smoke blocking piece is wound on the reel again, wherein the reset piece in the embodiment can be a torsion spring (similar to a tape structure); of course, in this embodiment, a motor can be separately arranged to drive the reel to rotate, and the resetting of the smoke blocking member can be realized.

Of course, in this embodiment, the smoke blocking member may also be made of other materials, such as rubber sheet, etc., when the smoke guide plate 131 rotates downward, the smoke guide plate 131 can stretch the rubber sheet to deform and extend, so as to close the smoke collection cavity, and prevent the smoke entering the smoke collection cavity from escaping to the outside.

It can be understood that, in this embodiment, the smoke blocking assembly 124 may also be a rigid structure, for example, the smoke blocking assembly 124 is a plastic plate, a steel plate, or the like, an opening for the smoke blocking assembly 124 to pass through is formed on the machine body, and when the range hood does not operate, the smoke guide plate 131 supports the smoke blocking assembly 124 to extend into the machine body; when the smoke guide plate 131 rotates downwards, the smoke blocking assembly 124 is driven to move out of the machine body, and at this time, the smoke blocking assembly 124 is not completely moved out of the machine body, and a part of the smoke blocking assembly is located in the machine body to ensure the tightness of the smoke collection cavity.

According to an embodiment of the present invention, as shown in fig. 5 to 7, the ceiling type range hood 1 further includes a pressure sensing component 16, the lower end of the smoke guide plate 131 is detachably connected to the machine body (detachably connected to the smoke collecting hood 12) through the pressure sensing component 16, when the range hood does not work, the smoke collecting hood 12 is connected to the smoke collecting hood through the pressure sensing component 16, when the range hood works, only the smoke guide plate 131 needs to be pressed, the smoke guide plate 131 can be automatically opened under the action of the pressure sensing component 16, and the operation of a user is very convenient.

In this embodiment, the pressure sensing assembly 16 includes a first elastic member 163, a first connecting member and a limiting member; the first connecting piece is connected with the second end of the cigarette gathering device 13, the limiting piece abuts against the first connecting piece, a fixed friction force is formed between the limiting piece and the first connecting piece, and the first elastic piece 163 abuts against the first connecting piece to provide a restoring force for the first connecting piece; in this embodiment, the first connecting member is a rod-shaped or columnar structure, when the smoke guide plate 131 is in the closed state, the limiting member abuts against the sidewall of the first connecting member, a fixed friction force is generated between the limiting member and the first connecting member, and at this time, the first elastic member 163 may be in a pressed state or a normal state, and the fixed friction force is equal to the gravity of the smoke collecting device 13 and the restoring force of the first elastic member 163; specifically, the component force of the fixed friction force in the vertical direction is greater than the sum of the gravity of the smoke collecting device 13 and the component force of the restoring force in the vertical direction, so that the smoke guide plate can be fixed on the smoke collecting hood 12.

When the second end of the cigarette gathering device 13 is connected with the machine body, the fixed friction force is equal to the sum of the cigarette guiding resistance and the restoring force; when the cigarette gathering device 13 is pressed, the first elastic member 163 contracts, the restoring force and the gravity of the cigarette gathering device 13 are greater than the fixed friction force, at this time, the cigarette guiding plate 131 is automatically opened, and the first filter screen 1321 and the second filter screen 1322 are also unfolded from the folded state under the driving of the cigarette guiding plate 131.

As shown in fig. 6 and 19, the first connecting member is a fixed column 162, the fixed column 162 is located on the inner side of the smoke guide plate 131, a connecting groove 1611 is provided on the smoke collecting hood 12, and the fixed column 162 is adapted to the connecting groove 1611 and can slide in the connecting groove 1611; a through hole is formed in the side wall of the connecting groove 1611, the limiting member is a second elastic member 164, one end of the second elastic member 164 penetrates through the through hole to abut against the fixed column 162, the other end of the second elastic member 164 is fixed on the inner wall of the smoke collecting hood 12, and the second elastic member 164 in a compressed state provides pressure for the fixed column 162, so that a friction fixing force is generated between the second elastic member 164 and the fixed column 162 to fix the smoke guide plate 131 in the smoke collecting hood 12; in this embodiment, the second elastic members 164 are symmetrically disposed on two sides of the fixing column 162, and the elastic forces of the second elastic members 164 on the two sides offset each other, so that the second elastic members 164 do not push the fixing column 162 to translate, and the elastic force applied to the fixing column 162 by the two second elastic members 164 can ensure that the friction between the second elastic members 164 and the fixing column 162 can fix the smoke guide plate 131.

As shown in fig. 7 and 19, the limiting member further includes a limiting ball 1622, a limiting groove 1621 is formed on a side wall of the fixing column 162, an end of the second elastic member 164 abuts against the limiting ball 1622, and the limiting ball 1622 is matched with the limiting groove 1621. When the smoke guide plate 131 is in a closed state, the two limiting balls 1622 are respectively opened into the corresponding limiting grooves 1621, and the component force of the fixing friction force of the limiting balls 1622 and the fixing column 162 in the vertical direction is equal to the sum of the component force of the first elastic member 163 in the vertical direction and the gravity of the smoke collecting device 13, so that the smoke collecting device 13 is fixed; when the user presses the smoke guide plate 131, the fixed column 162 compresses the first elastic member 163, the restoring force of the first elastic member 163 increases, the component force of the restoring force of the first elastic member 163 in the vertical direction and the gravity of the smoke collecting device 13 are greater than the component force of the friction force between the limit ball 1622 and the fixed column 162 in the vertical direction, and the smoke guide plate 131 can be automatically opened at this time.

As shown in fig. 7 and 19, in the present embodiment, the first elastic member 163 and the second elastic member 164 are both compression springs, and one end of the first elastic member 163 abuts against the end of the fixing column 162, and the other end of the first elastic member 163 is fixedly connected to the smoke collecting cover 12, at this time, when the smoke guide plate 131 is pressed, the fixing column 162 directly compresses the first elastic member 163, so as to ensure that the smoke guide plate 131 is smoothly opened.

As shown in fig. 7 and 19, in the present embodiment, the pressure sensing assembly 16 further includes a fixed block 161, the fixed block 161 is provided with the connecting groove 1611, the bottom wall of the connecting groove 1611 is provided with a placing hole 165, the first elastic member 163 is a compression spring, the structure is simple, the applicability is strong, the compression spring is disposed in the placing hole 165, when the fixed column 162 is located in the connecting groove 1611, one end of the compression spring abuts against the first connecting member, and the other end abuts against the bottom wall of the placing hole 165.

According to another embodiment of the present invention, as shown in fig. 12 to 14, a magnetic assembly 17 is disposed between the second end of the smoke guide plate 131 and the machine body, the magnetic assembly 17 is capable of generating magnetic force, and the second end of the smoke guide plate 131 is detachably connected to the machine body through the magnetic assembly 17.

In this embodiment, magnetic component 17 is used for when holding together cigarette device 13's second tip and organism and being connected, it is right hold together cigarette device 13's second tip and fix, because magnetic component 17 can produce magnetic force, the second tip with the organism can be dismantled through the mode of magnetism and be connected, and convenience of customers uses.

As shown in fig. 14, the magnetic assembly 17 includes an electromagnetic component 171 and a second connecting component 172, the electromagnetic component 171 can generate magnetic force when being powered on, the electromagnetic component 171 is disposed on the machine body, the second connecting component 172 is disposed at the second end of the smoke guide plate 131, when the smoke guide plate 131 is closed, the electromagnetic component generates magnetic force with the second connecting component 172 so as to overcome the gravity of the smoke collecting device 13, and then the smoke collecting device 13 can be fixed in the machine body through the electromagnetic component 171 and the second connecting component 172.

In this embodiment, the electromagnetic member 171 is used for generating a magnetic force, the second connecting member 172 is used for being attracted to the electromagnetic member 171, and the second connecting member 172 may be made of any material that can be attracted to the electromagnetic member 171, such as iron, cobalt, or nickel.

According to an embodiment of the present invention, the ceiling-mounted range hood 1 further includes a control mechanism, and the control mechanism can control the electromagnetic component 171 to be powered on and off, so as to control the smoke guide plate 131 to be jammed or closed.

According to one example of this embodiment, the control mechanism comprises a first control switch electrically connected to the coil of the electromagnetic member 171. When the range hood does not work, the first control switch controls the electromagnetic part 171 to be electrified, the magnetic attraction between the electromagnetic part 171 and the second connecting part 172 overcomes the gravity of the smoke collecting device 13, and the smoke guide plate 131 is fixed in the machine body at the moment; when the range hood works, the first control switch is pressed, the electromagnetic part 171 is powered off, and the smoke guide plate 131 is opened under the action of the gravity of the smoke guide plate and the gravity of the filter screen assembly 132; after the range hood finishes working, a user manually pushes the smoke guide plate 131 upwards, at the moment, the first control switch is pressed, and the electromagnetic part 171 is electrified to adsorb and fix the smoke guide plate 131.

According to another example of this embodiment, the control mechanism includes a first control switch and a second control switch, the first control switch and the second control switch being connected in series; the first control switch and the second control switch jointly control the opening or closing of the smoke guide plate 131.

Preferably, in this embodiment, the second control switch is a boat-shaped switch 173, and the boat-shaped switch 173 is disposed on the rotation track of the smoke guide 131, that is, the second control switch is touched when the smoke guide 131 rotates; when the range hood does not work, the first control switch and the second control switch are both in an open state, the electromagnetic part 171 is electrified, the magnetic attraction between the electromagnetic part 171 and the second connecting part 172 overcomes the gravity of the smoke collecting device 13, and at the moment, the smoke guide plate 131 is fixed in the machine body; when the range hood works, the first control switch is pressed, the electromagnetic part 171 is powered off, the smoke guide plate 131 rotates downwards under the action of self gravity and the gravity of the filter screen assembly 132, and when the smoke guide plate 131 passes through the second control switch, the second control switch is touched and is in a closed state; after the range hood finishes working, a user manually pushes the smoke guide plate 131 up, the smoke guide plate 131 can reset the second control switch through the second control switch, the second control switch is in an on state at the moment, then the first control switch is pressed, the first control switch is also in the on state, and the electromagnetic part 171 is electrified to adsorb and fix the smoke guide plate 131.

Because the opening and closing of the smoke guide plate 131 is controlled by the two control switches connected in series in this example, other structures can be controlled by the first control switch when the range hood operates, and the opening and closing state of the smoke guide plate 131 is not affected.

When the range hood is started, the first control switch is pressed, the fan is started, the electromagnetic part 171 is powered off, the smoke guide plate 131 rotates downwards under the action of self gravity and the gravity of the filter screen assembly 132, when the smoke guide plate 131 passes through the second control switch, the second control switch is touched, and the second control switch is in a closed state; after the range hood finishes working, the first control switch is pressed, the fan stops running at the moment, but the electromagnetic part 171 still does not have the power-on (the second control switch is in a disconnected state), the user manually pushes the smoke guide plate 131 up, the smoke guide plate 131 passes through the second control switch at the moment, the second control switch can be reset, the second control switch is in an open state at the moment, and the electromagnetic part 171 is electrified to adsorb and fix the smoke guide plate 131.

In this embodiment, the motor for controlling the rotation of the first oil receiving box 15 may also be controlled by a first control switch and a second control switch. For example, when the range hood is required to work, the first control switch is pressed, the fan is started at the moment, the electromagnetic part 171 is powered off, the smoke guide plate 131 downwards rotates under the action of self gravity and the gravity of the filter screen assembly 132, the first control switch controls the motor to be started, the motor drives the first oil receiving box 15 to rotate, the opening of the first oil receiving box 15 is abutted to the smoke guide plate 131, grease flows into the first oil receiving box 15 from the smoke guide plate 131 under the action of gravity, and when the smoke guide plate 131 passes through the second control switch, the second control switch is touched and is in a closed state at the moment.

After range hood accomplished work, press first control switch, fan bring to rest this moment, but electromagnetism piece 171 still does not have the circular telegram, first oil receiving box 15 does not have the rotation that resets simultaneously (second control switch is in the off-state), the user is manual to push away smoke deflector 131, smoke deflector 131 passes through second control switch this moment, can reset second control switch, second control switch is in the on-state this moment, electromagnetism piece 171 circular telegram will lead smoke deflector 131 and adsorb fixedly, first oil receiving box 15 upset resets towards the upside, avoid the first grease that connects in the oil receiving box 15 to flow out.

In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the communication may be direct, indirect via an intermediate medium, or internal to both elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (11)

1. A top-suction type range hood is characterized by comprising a machine body, a smoke collecting device (13) and a first oil receiving box (15), wherein a flue is formed in the machine body, a smoke sucking hole (121) facing to the lower side is formed in the machine body, the smoke sucking hole (121) is communicated with the flue, and the smoke collecting device (13) is arranged at the smoke sucking hole (121);

the cigarette gathering device (13) comprises a filter screen assembly (132) and a cigarette guide plate (131), the cigarette guide plate (131) is provided with a first end part and a second end part which are opposite to each other, the first end part of the cigarette guide plate (131) is rotatably connected with the machine body, the second end part of the cigarette guide plate (131) is detachably connected with the machine body, and the filter screen assembly (132) is connected between the cigarette guide plate (131) and the machine body;

when the second end of the smoke guide plate (131) is connected with the machine body, the smoke guide plate (131) and the filter screen assembly (132) are accommodated in the machine body;

when the second end of the smoke guide plate (131) is separated from the machine body, a smoke collection cavity communicated with the smoke suction hole (121) is formed among the smoke guide plate (131), the filter screen assembly (132) and the machine body; and the filter screen component (132) is provided with a via hole (1323) for communicating the smoke collection cavity with the outside.

2. The ceiling-mounted range hood according to claim 1, wherein one end of the strainer assembly (132) is connected to the second end of the smoke guide plate (131), the other end of the strainer assembly is connected to the body, and the first oil receiving box (15) is disposed at the end of the strainer assembly (132) connected to the smoke guide plate (131).

3. The top suction range hood according to claim 2, wherein the screen assembly (132) comprises a first screen (1321) and a second screen (1322), and the through holes (1323) are formed in each of the first screen (1321) and the second screen (1322);

one end of the first filter screen (1321) is rotatably connected with the machine body, the other end of the first filter screen (1321) is rotatably connected with one end of the second filter screen (1322), and the other end of the second filter screen (1322) is rotatably connected with the second end of the smoke guide plate (131); the first oil receiving box (15) is arranged at one end of the second filter screen (1322) connected with the smoke guide plate (131).

4. The ceiling-mounted range hood according to claim 3, wherein the projections of the first filter screen (1321) and the second filter screen (1322) in the horizontal plane at least partially overlap.

5. The ceiling-mounted range hood according to claim 1, further comprising a driving mechanism, wherein the driving mechanism is connected to the first oil receiving box (15) for driving the first oil receiving box (15) to rotate.

6. The ceiling-mounted range hood according to claim 5, wherein the driving mechanism comprises a rotary mounting base (152) and a motor, the motor is connected with the rotary mounting base (152) through a mounting shaft, and the rotary mounting base (152) is connected with the first oil receiving box (15).

7. The ceiling-mounted range hood according to any one of claims 1 to 6, wherein the first oil receiving box (15) is a box-shaped structure with an open upper end, two opposite side walls of the open end of the first oil receiving box (15) are connected with blocking pieces (151), and a flaring structure is formed between the two blocking pieces (151).

8. The ceiling-mounted range hood according to any one of claims 1 to 6, wherein the machine body comprises a housing (11) and a smoke collecting hood (12), a smoke channel is formed in the housing (11), the smoke collecting hood (12) is connected to the lower end of the housing (11), and a smoke collecting hole (121) communicated with the smoke channel is formed in the smoke collecting hood (12).

9. The ceiling-mounted range hood according to claim 8, wherein the fume collecting hood (12) is further provided with a second oil receiving box (123).

10. The ceiling-mounted range hood according to any one of claims 1 to 6, wherein a smoke blocking component (124) is connected to each of two sides of the smoke guide plate (131);

when the second end of the smoke guide plate (131) is connected with the machine body, the smoke blocking component (124) is collected in the machine body; when the second end of the smoke guide plate (131) is separated from the machine body, the smoke collection cavity is formed among the smoke guide plate (131), the filter screen assembly (132) and the smoke blocking assembly (124).

11. The ceiling-mounted range hood according to claim 10, wherein the smoke barrier assembly (124) comprises a spool and a smoke barrier;

the cigarette blocking piece is made of flexible materials and is wound on the winding shaft, the winding shaft is fixed in the cigarette suction hole (121), and the cigarette blocking piece is connected with the cigarette guide plate (131).

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