CN210568687U

CN210568687U - Range hood with air return prevention mechanism

Info

Publication number: CN210568687U
Application number: CN201920921342.5U
Authority: CN
Inventors: 张小校
Original assignee: Zhejiang Lante Electrical Appliance Co ltd
Current assignee: Zhejiang Lante Electrical Appliance Co ltd
Priority date: 2019-06-19
Filing date: 2019-06-19
Publication date: 2020-05-19
Anticipated expiration: 2029-06-19

Abstract

The utility model discloses a range hood with an anti-return air mechanism, which comprises a range hood box body, wherein the top of the range hood box body is fixedly connected with a smoke exhaust pipe, the bottom of the range hood box body is fixedly connected with a working panel, the outer wall of the working panel is provided with a control switch, a filter plate is arranged at the central position of the bottom of the working panel, a plurality of smoke exhaust ports are uniformly drilled on the surface of the filter plate, a first blocking piece and a second blocking piece are movably connected to the end, close to the working panel, inside the range hood box body, of the working panel, the first blocking piece is movably connected into the range hood box body through a first connecting hinge, and the second blocking piece is movably connected into the range hood; when the novel range hood is used, the first blocking piece and the second blocking piece fall under the action of gravity when the work is finished, and the oil smoke which is not treated is blocked to flow back, so that the effect of adsorbing the oil smoke by the range hood is ensured.

Description

Range hood with air return prevention mechanism

Technical Field

The utility model relates to a lampblack absorber field, in particular to lampblack absorber with air return prevention mechanism.

Background

Along with the improvement of the existing material life of people, people also start to have certain requirements on the quality of their own life, so that the range hood in the kitchen of each household is an indispensable household device, and people use the range hood to absorb the oil fume generated in the cooking process, so that the kitchen is kept clean and sanitary, but the range hood in real life has a certain distance from the oil fume suction inlet to the oil fume processing part, so that a large amount of oil fume can be accumulated in the range hood box body, when people finish cooking and close the switch of the range hood, the oil fume in the range hood box body starts to flow back because the centrifugal suction force caused by the rotation of the impeller is lost, and the external baffle plate of the range hood is too late to be positioned immediately, so that a large amount of oil fume can flow back into the kitchen, thereby reducing the working effect of the range hood, and people urgently need a novel range hood to improve, so that the kitchen is cleaner.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a lampblack absorber with air return prevention mechanism can effectively solve the problem among the background art.

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

the utility model provides a lampblack absorber with air return prevention mechanism, includes the lampblack absorber box, fixed pulley and elasticity stay cord, the top fixedly connected with smoke pipe of lampblack absorber box, the bottom fixedly connected with work panel of lampblack absorber box, the outer wall of work panel is provided with control switch, the bottom central point of work panel puts and is provided with the filter, the filter plate surface is evenly dug there are a plurality of smoking mouths, inside being close to work panel end swing joint of lampblack absorber box has first separation blade and second separation blade.

Preferably, first separation blade passes through first connection hinge swing joint on one side inner wall of lampblack absorber box, the second separation blade passes through second connection hinge swing joint on one side inner wall of lampblack absorber box, the inner wall of cigarette machine box is provided with the stiff end in the part of being connected with first separation blade and second fender, the one end upper end fixedly connected with fixed block of the inner wall of lampblack absorber box is kept away from to the second separation blade, the inside of fixed block is provided with the fixture block, the surface of fixture block is the elasticity stay cord, the fixed block outer wall is opened there is the aperture, the aperture position that the elasticity stay cord corresponds from the fixed block surface is pulled out.

Preferably, the fixed pulley passes through the inner wall of support connection at the lampblack absorber box, the outer wall of lampblack absorber box is opened there is the aperture, the one end that the fixed block was kept away from to the elasticity stay cord stretches out the lampblack absorber box from the aperture that corresponds, the one end system that the fixed block was kept away from to the elasticity stay cord has the piece of drawing, draw the outer wall of piece and lampblack absorber box to offset, the elasticity stay cord walks around the fixed pulley in the lampblack absorber box.

Preferably, the same elastic pull rope, fixed pulley and other components are arranged at the position, corresponding to the first blocking piece, of the other end of the second blocking piece, the first blocking piece is uniformly provided with two first connecting hinges, and the second blocking piece is uniformly provided with two second connecting hinges.

Preferably, wear-resistant rubber sleeves are sleeved around the small holes in the outer wall of the range hood box body, the protective sleeve box is arranged outside the fixed pulley, and the elastic pull rope is pulled in from the small holes in the surface of the protective sleeve box.

Compared with the prior art, the utility model discloses following beneficial effect has:

in the utility model, the first blocking piece and the second blocking piece are arranged in the range hood, when the work is finished, the first blocking piece and the second blocking piece fall under the action of gravity, and the return of the untreated oil smoke is blocked, so that the effect of absorbing the oil smoke by the range hood is ensured; simultaneously, the elastic pull rope is arranged inside the range hood box body, so that the elastic pull rope can be pulled when the range hood box body is required to be cleaned, and the range hood box body can be cleaned conveniently.

Drawings

Fig. 1 is a schematic view of the overall structure of a range hood with an air return prevention mechanism of the present invention;

FIG. 2 is a schematic view of the interior of a housing of a range hood with an anti-return mechanism according to the present invention;

FIG. 3 is a schematic view of the interior of the top view of the case of the range hood with the air return preventing mechanism of the present invention;

FIG. 4 is an enlarged view of the section A of the range hood with the air return prevention mechanism of the present invention;

fig. 5 is the utility model relates to a B cross-section enlarger of lampblack absorber with air return prevention mechanism.

In the figure: 1. a range hood box body; 2. a working panel; 3. a control switch; 4. a filter plate; 5. a smoking port; 6. a fixed end; 7. a smoke exhaust pipe; 8. a clamping block; 9. a first baffle plate; 10. a second baffle plate; 11. a first connecting hinge; 12. pulling the block; 13. a protective sleeve box; 14. a fixed pulley; 15. an elastic pull rope; 16. a fixed block; 17. second connecting hinge

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-5, a range hood with an anti-return air mechanism comprises a range hood box body 1, a fixed pulley 14 and an elastic pull rope 15, a smoke exhaust pipe 7 is fixedly connected to the top of the range hood box body 1, a working panel 2 is fixedly connected to the bottom of the range hood box body 1, a control switch 3 is arranged on the outer wall of the working panel 2, a filter plate 4 is arranged at the central position of the bottom of the working panel 2, a plurality of smoke suction ports 5 are uniformly chiseled on the surface of the filter plate 4, and a first blocking piece 9 and a second blocking piece 10 are movably connected to the end, close to the working panel 2, of the inside of.

The first baffle 9 is movably connected on the inner wall of one side of the lampblack absorber box 1 through a first connecting hinge 11, the second baffle 10 is movably connected on the inner wall of one side of the lampblack absorber box 1 through a second connecting hinge 17, a fixed end 6 is arranged at the joint of the bottom of the first baffle 9 and the bottom of the second baffle 10 of the lampblack absorber box 1, a fixed block 16 is fixedly connected at the upper end of one end, away from the inner wall of the lampblack absorber box 1, of the second baffle 10, a fixture block 8 is arranged inside the fixed block 16, an elastic pull rope 15 is tied on the surface of the fixture block 8, a small hole is formed in the outer wall of the fixture block 16, the elastic pull rope 15 is pulled out from the position of the small hole corresponding to the surface of the fixed block 16, a fixed pulley 14 is connected on the inner wall of the lampblack absorber box 1 through a support, a small hole is formed in the outer wall of the lampblack, the pull block 12 is abutted to the outer wall of the range hood box body 1, the fixed pulley 14 is wound around the elastic pull rope 15 in the range hood box body 1, the same elastic pull rope 15, the fixed pulley 14 and other parts are arranged at the position corresponding to the first blocking piece 9 at the other end of the second blocking piece 10, the first blocking piece 9 is uniformly provided with two first connecting hinges 11, the second blocking piece 10 is uniformly provided with two second connecting hinges 17, wear-resistant rubber sleeves are sleeved around small holes in the outer wall of the range hood box body 1, the fixed pulley 14 is externally provided with a protective sleeve box 13, and the elastic pull rope 15 is pulled in from the small holes in the surface of the protective sleeve box 13.

It should be noted that, the utility model relates to a range hood with air return prevention mechanism, through setting up first separation blade 9 and second separation blade 10 in the interior of range hood box 1, when the range hood begins to work, along with the rotation of impeller, the centrifugal adsorption power is transmitted in the range hood box 1, at this moment first separation blade 9 and second separation blade 10 receive the vertical upward effort relative to range hood box 1 jointly, because first separation blade 9 and second separation blade 10 cross section width is very thin, the quality is very light, under the vertical upward effort, first separation blade 9 rotates upwards around first connecting hinge 11, second separation blade 10 rotates upwards around second connecting hinge 17, at this moment, the range hood enters the operating condition, the oil smoke enters range hood box 1 through filter 4, reentry oil smoke processing system and discharge fume outside the range hood in 7 finally, after the range hood finishes working, the impeller does not rotate, centrifugal adsorption force caused by the impeller is not blown in the range hood box body 1, the first blocking piece 9 and the second blocking piece 10 respectively rotate downwards under the action of self gravity, and the first blocking piece 9 and the second blocking piece 10 are vertically fixed in the range hood box body 1 under the action of the fixed end 6, so that an air outlet of the range hood box body 1 is blocked, oil smoke backflow which is not treated in the range hood box body 1 is blocked, the oil smoke is prevented from polluting the environment in a kitchen, and the cleaning effect of the range hood is improved; meanwhile, the elastic pull rope 15, the fixed pulley 14 and other parts are arranged inside the range hood box body 1, when the range hood box body 1 needs to be cleaned, only the pull block 12 needs to be pulled lightly, the elastic pull rope 15 pulls the first blocking piece 9 and the second blocking piece 10, people can clean the inside of the range hood box body 1 at the moment, and the range hood box is simple and convenient to use and good in cleaning effect.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a lampblack absorber with air return prevention mechanism, includes lampblack absorber box (1), fixed pulley (14) and elasticity stay cord (15), its characterized in that: the top fixedly connected with of lampblack absorber box (1) discharges fume pipe (7), the bottom fixedly connected with work panel (2) of lampblack absorber box (1), the outer wall of work panel (2) is provided with control switch (3), the bottom central point of work panel (2) puts and is provided with filter (4), filter (4) surface is evenly opened chisel and is had a plurality of smoking mouth (5), inside work panel (2) end swing joint that is close to of lampblack absorber box (1) has first separation blade (9) and second separation blade (10), first separation blade (9) through first connecting hinge (11) swing joint on one side inner wall of lampblack absorber box (1), second separation blade (10) through second connecting hinge (17) swing joint on the opposite side inner wall of lampblack absorber box (1), lampblack absorber box (1) is provided with stiff end (6) with first separation blade (9) and second separation blade (10) bottom junction .

2. A range hood having a return air prevention mechanism as set forth in claim 1, wherein: the range hood is characterized in that a fixed block (16) is fixedly connected to the upper end, far away from the inner wall of the range hood box body (1), of the second blocking piece (10), a clamping block (8) is arranged inside the fixed block (16), an elastic pull rope (15) is tied to the surface of the clamping block (8), a small hole is formed in the outer wall of the fixed block (16), and the elastic pull rope (15) is pulled out from the position, corresponding to the surface of the fixed block (16), of the small hole.

3. A range hood having a return air prevention mechanism as set forth in claim 1, wherein: fixed pulley (14) are connected at the inner wall of lampblack absorber box (1) through the support, the outer wall of lampblack absorber box (1) is opened there is the aperture, the one end that fixed block (16) were kept away from in elasticity stay cord (15) stretches out lampblack absorber box (1) from the aperture that corresponds, the one end system that fixed block (16) were kept away from in elasticity stay cord (15) has pull piece (12), pull piece (12) and the outer wall of lampblack absorber box (1) offset, fixed pulley (14) are walked around in lampblack absorber box (1) in elasticity stay cord (15).

4. A range hood having a return air prevention mechanism as set forth in claim 1, wherein: the corresponding position of the first baffle plate (9) at the other end of the second baffle plate (10) is provided with the same elastic pull rope (15), a fixed pulley (14) and other components, the first baffle plate (9) is uniformly provided with two first connecting hinges (11), and the second baffle plate (10) is uniformly provided with two second connecting hinges (17).

5. A range hood having a return air prevention mechanism as set forth in claim 1, wherein: wear-resistant rubber sleeves are sleeved around small holes in the outer wall of the range hood body (1), a protective sleeve box (13) is arranged outside the fixed pulley (14), and the elastic pull rope (15) is pulled in from the small holes in the surface of the protective sleeve box (13).