Range hood

Abstract

The utility model discloses a range hood, which comprises a shell and a filter screen component, the machine shell comprises an exhaust fume collecting hood and an exhaust fume gathering plate set, the exhaust fume gathering plate set and the exhaust fume collecting hood define an oil fume treatment cavity, and an exhaust fume inlet communicated with the oil fume treatment cavity is formed in the exhaust fume gathering plate set; the filter screen assembly is detachably mounted in the oil smoke treatment cavity through the smoke inlet. According to the range hood disclosed by the utility model, the filter screen component is more convenient and quicker to disassemble and assemble, so that a user can disassemble and clean the filter screen component regularly.

Description

Technical Field

[0001] The utility model relates to the technical field of range hoods, and particularly relates to a range hood. Background Art

[0002] As an indispensable electrical appliance in modern kitchens, the main function of a range hood is to filter and remove the oil fume and waste gas generated during the cooking process, so as to improve the ventilation conditions in the kitchen and protect the health of users. During the long-term use of the range hood, the disassembly and assembly problem of the filter screen assembly has gradually become one of the focuses of user attention. Most of the range hood filter screen assemblies on the market are usually installed on the smoke collecting hood by screw fixing, and the filter screen assembly needs to be disassembled and assembled by opening the front cover. Such a design makes it inconvenient to disassemble and assemble the filter screen assembly, and users often find it difficult to clean it regularly. Content of the Utility Model

[0003] The main purpose of the utility model is to propose a range hood, aiming to solve the technical problem of inconvenient disassembly and assembly of the filter screen assembly of the range hood.

[0004] To achieve the above purpose, the range hood proposed by the utility model includes a housing and a filter screen assembly;

[0005] The housing includes a smoke collecting hood and a smoke collecting plate group, and the smoke collecting plate group and the smoke collecting hood enclose a fume treatment cavity. The smoke collecting plate group is provided with an air inlet communicating with the fume treatment cavity;

[0006] The filter screen assembly is detachably installed in the fume treatment cavity through the air inlet.

[0007] Optionally, the smoke collecting plate group includes side smoke collecting plates, and side air inlets are provided on the side smoke collecting plates. A plug-in structure is provided in the fume treatment cavity corresponding to the side air inlets, and the filter screen assembly is horizontally inserted into the plug-in structure through the side air inlets.

[0008] Optionally, the housing further includes an air duct housing fixed in the fume treatment cavity. A purification space is enclosed inside the air duct housing. The air duct housing has a downward air inlet opening, and the air inlet opening is located between the upper and lower edges of the side air inlets; the plug-in structure is arranged at a position of the air duct housing adjacent to the air inlet opening, so that the filter screen assembly can cover the air inlet opening in a front-back drawable manner.

[0009] Optionally, the air duct housing has two opposite side walls, and the plug-in structure includes chutes formed on the two side walls and extending in the front-back direction. The left and right sides of the filter screen assembly are slidably connected to the chutes.

[0010] Optionally, the smoke collecting hood includes a back plate, and the back plate and the air duct housing jointly enclose to form the purification space; a lapping portion is provided on the inner wall surface of the back plate corresponding to the side air inlet, and the rear end of the filter net assembly is lapped on the lapping portion.

[0011] Optionally, the lapping portion includes a lapping strip and a limiting strip connected to the inner wall surface of the back plate, and the lapping strip is located below the limiting strip to enclose a lapping groove for the rear end of the filter net assembly to lap.

[0012] Optionally, the filter net assembly includes a gripping portion, a frame body, and a filter net fixed in the frame body. The gripping portion is fixedly connected to the front end of the frame body and is arranged corresponding to the side air inlet in the transverse direction.

[0013] Optionally, the casing further includes a diversion inclined plate arranged in the oil fume treatment cavity. The diversion inclined plate is arranged corresponding to and facing the side air inlet for guiding the oil fume flowing in through the side air inlet; the gripping portion includes an abutting plate and a bending plate. The lower end of the abutting plate is connected to the front end of the frame body. The abutting plate extends along the lower plate surface of the diversion inclined plate, and the bending plate is connected to the upper end of the abutting plate and is bent away from the diversion inclined plate.

[0014] Optionally, the side smoke gathering plate includes a vertical plate and an inclined plate. The vertical plate extends in the up and down direction, and the inclined plate is located at the rear lower part of the vertical plate. The side air inlet is formed between the inclined plate and the vertical plate.

[0015] Optionally, the smoke gathering plate group further includes a top smoke gathering plate. The top smoke gathering plate and the side smoke gathering plate enclose to form a smoke gathering space. The outer plate surface of the top smoke gathering plate and the outer plate surface of the vertical plate are arranged at an acute angle, and a top air inlet is formed on the top smoke gathering plate.

[0016] In the range hood of the present utility model, by detachably installing the filter net assembly in the oil fume treatment cavity through the air inlet, the user does not need to open the face cover, and can disassemble and assemble the filter net assembly only through the external air inlet, making the disassembly and assembly of the filter net assembly more convenient and fast, and thus being more beneficial for the user to regularly disassemble and clean the filter net assembly. Description of the Drawings

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on the structures shown in these drawings.

[0018] Figure 1 Structural schematic diagram of an embodiment of the range hood of the present utility model;

[0019] Figure 2 Structural schematic diagram of another embodiment of the range hood of the present utility model;

[0020] Figure 3 Cross-sectional schematic diagram of an embodiment of the range hood of the present utility model;

[0021] Figure 4 Structural cross-sectional view of an embodiment of the range hood of the present utility model;

[0022] Figure 5 It is Figure 4 Local enlarged view at position A in

[0023] Figure 6 Local structural schematic diagram of an embodiment of the range hood of the present utility model;

[0024] Figure 7 Structural schematic diagram of an embodiment of the filter screen assembly in the present utility model;

[0025] Figure 8 Structural schematic diagram of another embodiment of the filter screen assembly in the present utility model.

[0026] Explanation of the reference numerals in the drawings:

[0027] Label Name Label Name Label Name Lap joint part 110 Smoke collecting hood 111 Back plate 115 Lap joint groove 113 Lap joint strip 114 Limit strip 122 Side air inlet 123 Vertical plate 121 Side smoke gathering plate 125 Top smoke gathering plate 126 Top air inlet 124 Oblique plate 130 Oil fume treatment cavity 140 Insertion structure 127 Smoke gathering space 151 Purification space 152 Air inlet opening 160 Flow guiding inclined plate 200 Filter net assembly 210 Grasping part 211 Abutting plate 212 Bending plate 220 Frame 230 Filter net

[0028] The realization, functional features and advantages of the object of the present utility model will be further described in conjunction with the embodiments and with reference to the accompanying drawings. Detailed implementation manners

[0029] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without making creative efforts belong to the scope of protection of the present utility model.

[0030] It should be noted that if there are directional indications (such as up, down, left, right, front, back...) involved in the embodiments of the present utility model, the directional indications are only used to explain the relative positional relationship and movement conditions between components in a specific posture (as shown in the drawings). If the specific posture changes, the directional indications will also change accordingly.

[0031] In addition, if descriptions such as "first" and "second" are involved in the embodiments of the present utility model, such descriptions of "first", "second", etc. are only for descriptive purposes and should not be construed as indicating or implying their relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and / or" appearing throughout the text is that it includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, or solution B, or a solution where both A and B are satisfied simultaneously. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on what can be achieved by those of ordinary skill in the art. When the combination of technical solutions results in contradictions or cannot be achieved, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0032] The present utility model provides a range hood.

[0033] In an embodiment of the present utility model, as Figures 1 to 3 shown, the range hood includes a housing and a filter screen assembly 200; the housing includes a smoke collecting hood 110 and a smoke guiding plate group, the smoke guiding plate group and the smoke collecting hood 110 enclose to form a fume treatment chamber 130, and a smoke inlet communicating with the fume treatment chamber 130 is formed on the smoke guiding plate group; the filter screen assembly 200 is detachably installed in the fume treatment chamber 130 through the smoke inlet.

[0034] In this embodiment, the housing is integrally in a frame structure, which is used to provide installation and protection for the filter screen assembly 200, the purification assembly, etc., and form the overall appearance of the range hood. The shape and structure of the housing can be selected and designed according to the type of the range hood, and no specific limitation is made here. The smoke guiding plate assembly and the smoke collecting hood 110 enclose to form a fume treatment chamber 130, and the filter screen assembly 200, the purification assembly, etc. can be installed in the fume treatment chamber 130 to filter and purify the fume entering the housing.

[0035] The fan structure can be arranged in the fume treatment chamber 130 or outside the housing. By additionally providing a box structure to install the fan structure, it is only necessary to enable the fan to suck the fume from the smoke inlet into the fume treatment chamber 130 for treatment. The smoke guiding plate assembly changes the flow direction of the fume, making the fume enter the negative pressure area of the range hood more smoothly and being sucked into the fume treatment chamber 130 through the smoke inlet, which helps to improve the smoke extraction effect of the range hood and ensure that the fume generated during cooking can be sucked away in a timely and effective manner.

[0036] The number and shape of the air inlet openings provided on the smoke collecting plate group are not limited. For example, the air inlet openings can be provided as one or two, and the shape of the air inlet openings can also be rectangular, circular, oval, strip-shaped, etc. The filter screen assembly 200 and the housing can be detachably connected by means such as plugging, hooking, overlapping, magnetic attraction connection, etc. Optionally, in order to facilitate the user to disassemble and assemble the filter screen assembly 200, the size of the air inlet opening is designed to allow the user's hand to reach in.

[0037] In the range hood of the present utility model, by detachably installing the filter screen assembly 200 in the oil fume treatment cavity 130 through the air inlet opening, the user does not need to open the front cover, and can disassemble and assemble the filter screen assembly 200 only through the external air inlet opening, making the disassembly and assembly of the filter screen assembly 200 more convenient and fast, and thus more conducive to the user to regularly disassemble and clean the filter screen assembly 200.

[0038] In an embodiment, the smoke collecting plate group includes a side smoke collecting plate 121, a side air inlet 122 is formed on the side smoke collecting plate 121, and a plugging structure 140 is provided in the oil fume treatment cavity 130 corresponding to the side air inlet 122, and the filter screen assembly 200 is horizontally plugged into the plugging structure 140 through the side air inlet 122.

[0039] In this embodiment, the side air inlet 122 is generally in a strip shape extending horizontally. It can be understood that the length dimension of the side air inlet 122 should be greater than the width of the filter screen assembly 200 on the side facing the side air inlet 122. In this way, the user can directly pull out the filter screen assembly 200 from the side air inlet 122 by grasping the side of the filter screen assembly 200 facing the side air inlet 122. The plugging structure 140 can specifically be structures such as a plugging groove, a plugging slide rail, etc., and the filter screen assembly 200 and the plugging structure 140 are horizontally slidably plugged. By making the filter screen assembly 200 horizontally plugged into the plugging structure 140 through the side air inlet 122, that is, the filter screen assembly 200 is horizontally pulled out and disassembled and assembled on the housing, the disassembly and assembly convenience and reliability can be improved, and the filter screen assembly 200 can be effectively prevented from accidentally falling off during the disassembly process.

[0040] Further, the housing further includes an air duct housing fixed in the oil fume treatment cavity 130. A purification space 151 is enclosed inside the air duct housing. The air duct housing has a downward air inlet opening 152, and the air inlet opening 152 is located between the upper and lower edges of the side air inlet 122; the plugging structure 140 is provided at a position of the air duct housing adjacent to the air inlet opening 152 so that the filter screen assembly 200 can cover the air inlet opening 152 by being pulled back and forth.

[0041] In this embodiment, a purification component or a fan structure can be provided inside the air duct housing. The filter screen assembly 200 can be covered on the air inlet opening 152 in a manner that can be pulled out back and forth. The plug-in structure 140 is provided on the air duct housing. In this way, the oil fume inhaled from the side smoke outlet into the oil fume treatment chamber 130 first passes through the filter screen assembly 200 for filtration and then enters the air duct housing, so as to improve the filtration effect and make full use of the air duct housing to install the filter screen assembly 200. By making the air inlet opening 152 of the air duct housing located between the upper and lower edges of the side air inlet 122, after the filter screen assembly 200 covers the air inlet opening 152, the filter screen assembly 200 is arranged corresponding to the side air inlet 122 in the horizontal direction. In this way, the filter screen assembly 200 can be pulled out straight from the side air inlet 122, so as to further improve the convenience of disassembly and assembly of the filter screen assembly 200.

[0042] Further, the air duct housing has two opposite side walls. The plug-in structure 140 includes chutes formed on the two side walls and extending in the front-back direction. The left and right sides of the filter screen assembly 200 are slidably connected to the chutes. In this way, the left and right sides of the filter screen assembly 200 can be directly embedded in the chutes on the two side walls of the air duct housing, improving the installation stability of the filter screen assembly 200 and the air duct housing while facilitating the pulling and sliding disassembly and assembly of the filter screen assembly 200, and preventing the filter screen assembly 200 from accidentally falling during the disassembly and assembly process. Slide rails cooperating with the chutes can be provided on the left and right sides of the filter screen assembly 200, or the left and right side edges of the filter screen assembly 200 can be directly slidably fitted in the chutes.

[0043] Furthermore, the smoke collecting hood 110 includes a back plate 111. The back plate 111 and the air duct housing jointly enclose the purification space 151. A lapping portion is provided on the inner wall surface of the back plate 111 corresponding to the side air inlet 122. The rear end of the filter screen assembly 200 is lapped on the lapping portion. In this way, the rear end of the filter screen assembly 200 can be lapped on the lapping portion of the back plate 111, and the back plate 111 can provide reliable support for the rear end of the filter screen assembly 200, further improving the plug-in stability of the filter screen assembly 200 and the casing. The lapping portion can specifically be a lapping groove 115, a lapping plate, etc.

[0044] Specifically, the overlapping part includes an overlapping strip 113 and a limiting strip 114 connected to the inner wall surface of the back plate 111. The overlapping strip 113 is located below the limiting strip 114 to enclose an overlapping groove 115 for the rear end of the filter screen assembly 200 to overlap. The overlapping strip 113 and the limiting strip 114 can be fixedly connected to the back plate 111 by welding. By forming the overlapping groove 115 for the rear end of the filter screen assembly 200 through the overlapping strip 113 and the limiting strip 114 connected to the inner wall surface of the back plate 111, compared with the overlapping groove 115 formed by the depression of the back plate 111, the integrity and consistency of the appearance surface of the back plate 111 can be ensured. Moreover, the rear end of the filter screen assembly 200 is limited up and down by the overlapping strip 113 and the limiting strip 114, which can effectively prevent the filter screen assembly 200 from shifting up and down and falling off.

[0045] In one embodiment, the filter screen assembly 200 includes a gripping part 210, a frame 220, and a filter screen 230 fixed in the frame 220. The gripping part 210 is fixedly connected to the front end of the frame 220 and is arranged transversely corresponding to the side air inlet 122. There can be many structures and forms of the gripping part 210. For example, the gripping part 210 can be a bent plate 212 structure or a pull ring, etc. The gripping part 210 and the frame 220 can be connected by welding or integrally formed. By arranging the gripping part 210 transversely corresponding to the side air inlet 122, it is more convenient for the user to grip the filter screen assembly 200 from the side air inlet 122 for disassembly and assembly, so as to improve the operation convenience.

[0046] Further, the casing further includes a diversion inclined plate 160 arranged in the oil fume treatment chamber 130. The diversion inclined plate 160 is arranged corresponding to and facing the side air inlet 122 for guiding the oil fume flowing in through the side air inlet 122. The gripping part 210 includes an abutting plate 211 and a bent plate 212. The lower end of the abutting plate 211 is connected to the front end of the frame 220. The abutting plate 211 extends along the lower plate surface of the diversion inclined plate 160. The bent plate 212 is connected to the upper end of the abutting plate 211 and is bent away from the diversion inclined plate 160.

[0047] In this embodiment, the diversion inclined plate 160 is arranged to be inclined downward and backward from top to bottom for diverting the oil fume flowing in from the side air inlet 122, so that the inhaled oil fume can be diverted to the filter screen assembly 200 to filter the oil fume more efficiently. The abutting plate 211 of the gripper part 210 extends along the lower plate surface of the diversion inclined plate 160. Specifically, the abutting plate 211 can be made to fit the lower plate surface of the diversion inclined plate 160. In this way, the diversion inclined plate 160 can also perform upper limit and guiding functions on the front end of the filter screen assembly 200 to improve the installation convenience of the filter screen assembly 200. The gripper part 210 includes an abutting plate 211 and a bent plate 212, and the bent plate 212 is bent away from the diversion inclined plate 160, so that the gripper is more convenient for the user to grip.

[0048] In one embodiment, the side smoke collecting plate 121 includes a vertical plate 123 and an inclined plate 124. The vertical plate 123 extends in the up-down direction, and the inclined plate 124 is located at the rear lower part of the vertical plate 123. The side air inlet 122 is formed between the inclined plate 124 and the vertical plate 123.

[0049] In this embodiment, by forming the side air inlet 122 between the inclined plate 124 and the vertical plate 123, the air inlet is in the shape of a horizontally extending long strip, so as to increase the air inlet area and improve the smoking effect. Moreover, the long-strip side air inlet 122 is more convenient for the disassembly and assembly of the filter screen assembly 200. The side smoke collecting plate 121 includes a vertical plate 123 and an inclined plate 124, so the outer plate surface of the vertical plate 123 and the outer plate surface of the inclined plate 124 are greater than 180 degrees. By forming the side air inlet 122 between the inclined plate 124 and the vertical plate 123. Compared with the current market solution of only connecting the back plate 111 and the top plate by a single smoke collecting plate, in this application, the side air inlet 122 is placed in front, and the angle between the side air inlet 122 and the horizontal plane is smaller. In this way, the air inlet path is changed, so that the oil fume is sucked in by the side air inlet 122 without floating to the top and rear of the range hood, shortening the oil fume suction path and effectively avoiding the oil fume being absorbed by the user during the long suction path.

[0050] Further, the smoke collecting plate group further includes a top smoke collecting plate 125. The top smoke collecting plate 125 and the side smoke collecting plate 121 enclose a smoke collecting space 127. The outer plate surface of the top smoke collecting plate 125 and the outer plate surface of the vertical plate 123 are arranged at an acute angle, and a top air inlet 126 is formed on the top smoke collecting plate 125.

[0051] In this embodiment, the top smoke collecting plate 125, the vertical plate 123 and the inclined plate 124 enclose to form a smoke collecting space 127, so that the oil fume generated in the kitchen can be effectively concentrated, reducing the escape of oil fume, making the oil fume contact more fully with the negative pressure area generated by the fan, which helps the oil fume to be absorbed and purified by the range hood more efficiently, thereby avoiding the extensive diffusion and retention of oil fume in the kitchen. By providing a top smoke inlet 126 on the top smoke collecting plate 125, the oil fume not sucked in by the side smoke inlet 122 can be directly sucked in through the top smoke inlet 126, effectively reducing the escape of oil fume and improving the smoking effect of the entire range hood. By setting the outer plate surface of the top smoke collecting plate 125 and the outer plate surface of the vertical plate 123 to form an acute angle, the rear end of the top smoke collecting plate 125 is inclined upward, which can improve the smoke collecting effect between the top smoke collecting plate 125 and the side smoke collecting plate 121.

[0052] The above are only the optional embodiments of the present invention, and do not limit the patent scope of the present invention. Any equivalent structural transformation made by using the content of the specification and drawings of the present invention under the inventive concept of the present invention, or any direct / indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims

1. An oil fume suction machine, characterized in that, Comprising: A casing, the casing includes a smoke collecting hood and a smoke guiding plate group, the smoke guiding plate group and the smoke collecting hood enclose to form an oil fume treatment cavity, and an air inlet communicating with the oil fume treatment cavity is formed on the smoke guiding plate group; And A filter screen assembly, which is detachably installed in the oil fume treatment cavity through the air inlet.

2. The range hood according to claim 1, wherein, The smoke guiding plate group includes side smoke guiding plates, side air inlets are formed on the side smoke guiding plates, plugging structures are arranged in the oil fume treatment cavity corresponding to the side air inlets, and the filter screen assembly is horizontally plugged into the plugging structures through the side air inlets.

3. The range hood according to claim 2, characterized in that, The casing further includes an air duct shell fixed in the oil fume treatment cavity, a purification space is enclosed inside the air duct shell, the air duct shell has a downward air inlet opening, and the air inlet opening is located between the upper and lower edges of the side air inlets; the plugging structure is arranged at a position of the air duct shell adjacent to the air inlet opening, so that the filter screen assembly can cover the air inlet opening in a front-back drawable manner.

4. The range hood according to claim 3, wherein, The air duct shell has two opposite side walls, the plugging structure includes sliding grooves formed on the two side walls and extending in the front-back direction, and the left and right sides of the filter screen assembly are slidably connected to the sliding grooves.

5. The range hood according to claim 4, wherein, The smoke collecting hood includes a back plate, and the back plate and the air duct shell jointly enclose the purification space; a lapping portion is arranged on the inner wall surface of the back plate corresponding to the side air inlet, and the rear end of the filter screen assembly is lapped on the lapping portion.

6. The range hood according to claim 5, characterized in that, The lapping portion includes a lapping strip and a limiting strip connected to the inner wall surface of the back plate, the lapping strip is located below the limiting strip, so as to enclose a lapping groove for the rear end of the filter screen assembly to lap with the lapping strip.

7. The range hood according to any one of claims 2 to 6, characterized in that, The filter screen assembly includes a gripping portion, a frame body and a filter screen fixed in the frame body, the gripping portion is fixedly connected to the front end of the frame body and is arranged corresponding to the side air inlet in the horizontal direction.

8. The range hood according to claim 7, characterized in that, The casing further includes a diversion inclined plate arranged in the oil fume treatment cavity, the diversion inclined plate is arranged corresponding to and facing the side air inlet for guiding the oil fume flowing in through the side air inlet; the gripping portion includes an abutting plate and a bent plate, the lower end of the abutting plate is connected to the front end of the frame body, the abutting plate extends along the lower plate surface of the diversion inclined plate, and the bent plate is connected to the upper end of the abutting plate and is bent away from the diversion inclined plate.

9. The range hood according to any one of claims 2 to 6, characterized in that, The side smoke guiding plate includes a vertical plate and an inclined plate, the vertical plate extends in the up-down direction, the inclined plate is located at the rear lower part of the vertical plate, and the side air inlet is formed between the inclined plate and the vertical plate.

10. The range hood according to claim 9, wherein, The smoke guiding plate group further includes a top smoke guiding plate, the top smoke guiding plate and the side smoke guiding plates enclose a smoke guiding space, the outer plate surface of the top smoke guiding plate and the outer plate surface of the vertical plate are arranged at an acute angle, and a top air inlet is formed on the top smoke guiding plate.

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