CN212430965U

CN212430965U - Fume exhaust fan

Info

Publication number: CN212430965U
Application number: CN202020314312.0U
Authority: CN
Inventors: 韩涛; 孙珂; 朱婉玲; 江松; 杜忱蒙; 刘海波
Original assignee: Haier Smart Home Co Ltd; Qingdao Haigao Design and Manufacturing Co Ltd
Current assignee: Haier Smart Home Co Ltd; Qingdao Haigao Design and Manufacturing Co Ltd
Priority date: 2020-03-13
Filing date: 2020-03-13
Publication date: 2021-01-29
Anticipated expiration: 2030-03-13

Abstract

The utility model discloses a range hood, which comprises a smoke collecting hood; the panel is arranged on the front end surface of the smoke collecting hood; the panel is connected with the smoke collecting cover through the elastic mechanism. The utility model discloses a panel of lampblack absorber passes through elastic mechanism and is connected with the collection petticoat pipe, when the panel was touched to human accident, panel compression elastic mechanism for the panel moves towards collection petticoat pipe direction, and the panel that can cushion the stereoplasm falls to minimum to human impact, with the panel to the human injury. This scheme is particularly useful for the ceiling-mounted range hood, has kept the ceiling-mounted range hood to hold together the effectual advantage of cigarette when the protection human body is avoided the injury.

Description

Fume exhaust fan

Technical Field

The utility model belongs to the technical field of kitchen appliance, specifically speaking relates to a range hood.

Background

A range hood is a common type of kitchen appliance for exhausting cooking fumes to the outside in terms of a common flue.

The existing range hood comprises a top suction type range hood and a side suction type range hood according to the arrangement position of a smoke collecting hood of the range hood. The ceiling-mounted range hood has strong smoke collection performance and scene compatibility. However, the mounting height of the top-suction range hood is close to the head height of a user, when the user cooks, the head easily collides with a panel of the range hood when the user walks and moves, and the control panel of the range hood is generally made of hard materials such as glass and the like, so that the user is injured.

Disclosure of Invention

The utility model discloses to the easy head that bumps of ceiling-mounted range hood among the prior art, cause the technical problem of health injury to the user, provide a range hood, can solve above-mentioned problem.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme to realize:

a range hood, comprising:

a smoke collecting hood;

the panel is arranged on the front end surface of the smoke collecting hood;

it is characterized by also comprising:

the panel is connected with the smoke collecting cover through the elastic mechanism.

Further, the elastic mechanism includes:

a fixing portion fixed to the smoke collection cover;

a movable portion fixed to the panel;

the elastic component is arranged between the fixed part and the movable part, when the movable part moves relative to the fixed part, the elastic component is driven to deform, and the elastic component generates a restoring force which is opposite to the moving direction of the movable part and acts on the movable part.

Further, the elastic member includes:

one end of the rotating shaft is fixed with the fixed part, a rotating shaft hole is formed in the movable part, the rotating shaft is inserted into the rotating shaft hole, and the movable part can rotate around the rotating shaft;

and the torsional spring is sleeved on the rotating shaft, one end of the torsional spring is fixed with the rotating shaft, and the other end of the torsional spring is fixed with the movable part.

Furthermore, the rotating shaft and the fixing part can be detachably fixed;

the movable part is provided with an assembling groove along the length direction, two ends of the assembling groove are respectively provided with coaxial rotating shaft holes, and the rotating shaft is sequentially inserted into the two rotating shaft holes from one end of the assembling groove; at least one end of the rotating shaft is located outside the assembling groove and used for being detachably fixed with the fixing part, and the torsion spring is located in the assembling groove.

Furthermore, a limiting part is formed on one end face of the rotating shaft, which is located outside the assembling groove, a limiting hole matched with the limiting part is formed on one side face of the fixing part, the limiting part can be inserted into the limiting hole in a pluggable manner, and the limiting hole is used for limiting the rotating shaft to rotate.

Further, the fixed part is fixed on the front end face of the smoke collecting hood, and the movable part is fixed on the rear end face of the panel facing the smoke collecting hood.

Furthermore, the elastic component comprises a spring, one end of the spring is fixed with the movable part, the other end of the spring is fixed with the fixed part, and the axial direction of the spring is perpendicular to the direction of the panel.

Further, the movable part is including the first limit and the second limit that are L shape, first limit is fixed on the rear end face of panel, the second limit dorsad be formed with the lug on the side on first limit, the fixed part is including the third limit and the fourth side that are L shape, the extending direction perpendicular to of fourth side the panel, just along its extending direction seted up the guide way on the fourth side, the lug inserts to in the guide way, can follow the guide way motion, spring one end with the lug is fixed, the other end with the third limit is fixed.

Furthermore, an assembly hole is formed in the front end face of the smoke collecting cover, the fixed portion is fixed in the assembly hole, and at least the second edge of the movable portion extends into the assembly hole.

Further, the elastic mechanism has two.

Compared with the prior art, the utility model discloses an advantage is with positive effect: the utility model discloses a panel of lampblack absorber passes through elastic mechanism and is connected with the collection petticoat pipe, when the panel was touched to human accident, panel compression elastic mechanism for the panel moves towards collection petticoat pipe direction, and the panel that can cushion the stereoplasm falls to minimum to human impact, with the panel to the human injury. This scheme is particularly useful for the ceiling-mounted range hood, has kept the ceiling-mounted range hood to hold together the effectual advantage of cigarette when the protection human body is avoided the injury.

Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when read in conjunction with the accompanying drawings.

Drawings

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

Fig. 1 is a schematic structural view of an embodiment of a range hood provided by the present invention;

FIG. 2 is a schematic side view of the structure of FIG. 1;

FIG. 3 is a schematic view of the panel in motion when a force is applied to the panel according to an embodiment;

FIG. 4 is an exploded view of the range hood according to the first embodiment;

FIG. 5 is an exploded view of the detail of FIG. 4;

FIG. 6 is a side view of the fixing portion of FIG. 5;

FIG. 7 is an exploded view of the range hood according to the first embodiment;

FIG. 8 is an exploded view of the detail of FIG. 7;

FIG. 9 is a schematic view of the assembled structure of FIG. 8;

FIG. 10 is a schematic view of the second embodiment according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and embodiments.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Example one

As shown in fig. 1, the range hood as a kitchen appliance includes a smoke collecting hood 1, a panel 2, a housing 3, and the like, wherein a fan system (not shown in the figure for angle reasons) is disposed in the housing 3, and the panel 2 is disposed on a front end surface of the smoke collecting hood 1. Casing 3 installs in the top of collection petticoat pipe 1, and its inside encloses to keep off to have the passageway that is used for connecting outside public flue, and when fan system started, the oil smoke got into through collection petticoat pipe 1 inside casing 3, enclose the passageway that keeps off through it and discharge into to public flue.

The lampblack absorber of this embodiment is particularly useful for the ceiling type lampblack absorber, because the collection petticoat pipe 1 height of this kind of form is equivalent with human head, takes place the touching easily, for solving the problem that the touching caused the injury to the human body easily, as shown in figure 2, still be provided with elastic mechanism 4 in this embodiment, panel 2 passes through elastic mechanism 4 and is connected with collection petticoat pipe 1.

When panel 2 is touched to human accident, as shown in fig. 3, the health position drives panel 2 compression elastic mechanism 4, and elastic mechanism 4 has deformability and deformation restorability for the position of collision moves towards collection petticoat pipe 1 direction, can cushion the panel 2 of stereoplasm to the impact force of human body, falls to minimum with panel 2 to human body injury. When this scheme is the top-suction type lampblack absorber, still remain the top-suction type lampblack absorber simultaneously and held together the effectual advantage of cigarette.

As shown in fig. 4, the elastic mechanism 4 includes a fixed portion 41, a movable portion 42, and an elastic member 43, the fixed portion 41 being fixed to the smoke collecting hood 1; the movable part 42 is fixed on the panel 2; the elastic member 43 is disposed between the fixed portion 41 and the movable portion 42, that is, the fixed portion 41 and the movable portion 42 are connected by the elastic member 43, and the elastic member 43 can be deformed by being applied with force and can be restored to its original shape when the external force is released.

The fixed part 41 is fixed on the front end face of the smoke collecting cover 1, the movable part 42 is fixed on the rear end face of the panel 2, and the rear end face of the panel 2 is one face facing the smoke collecting cover 1.

When the movable portion 42 moves relative to the fixed portion 41, the compression or torsion elastic member 43 is deformed, and the movable portion 42 drives the panel 2 to move toward the smoke collecting hood 1 or the panel 2 tilts toward one side. The elastic member 43 simultaneously generates a restoring force acting on the movable portion 42 in a direction opposite to the moving direction of the movable portion 42. When the external force is released, the elastic component 43 drives the movable portion 42 and thus the panel 2 to restore to its original shape.

The hood 1 is stationary, and therefore the fixing portion 41 fixedly connected to the hood 1 is also stationary.

As one preferred embodiment, as shown in fig. 5, the elastic member 43 includes a rotating shaft 431 and a torsion spring 432, one end of the rotating shaft 431 is fixed to the fixing portion 41, that is, the rotating shaft 431 is fixed, a rotating shaft hole 421 is formed on the movable portion 42, the rotating shaft 431 is inserted into the rotating shaft hole 421, the rotating shaft 431 plays a limiting role for the movable portion 42, and the movable portion 42 can rotate around the rotating shaft 431. The rotation direction of the movable portion 42 is not limited, and it may be rotated clockwise or counterclockwise according to the touched position.

One end of the torsion spring is fixed in the resetting principle, and when the other end of the torsion spring is subjected to external force rotating around the axial direction of the torsion spring, the torsion spring deforms according to the direction of the acting force, and meanwhile, restoring torsion opposite to the external force can be generated.

The length direction of the rotating shaft 431 should be arranged along the direction parallel to the panel 2, when the movable part 42 rotates around the rotating shaft 431, the panel 2 is driven to rotate together, that is, the position on the panel 2 contacted with the human body rotates towards the smoke collecting cover 1 according to the clockwise rotation direction or the anticlockwise rotation direction, and the stress when the human body is touched can be buffered, so that the damage to the human body can be reduced or completely eliminated.

The torsion spring 432 is sleeved on the rotating shaft 431, one end of the torsion spring 432 is fixed with the rotating shaft 431, and the other end is fixed with the movable part 42. Since the rotation shaft 431 is fixed to the fixing portion 41, one end of the torsion spring 432 is also fixed to the fixing portion 41. The other end of the torsion spring 432 is rotated depending on the position of the external force.

In order to facilitate the assembly and disassembly of the panel 2 and the smoke collecting hood 2, in the present embodiment, the rotation shaft 431 is preferably detachably fixed to the fixing portion 41. When the panel 2 needs to be replaced or repaired, the operation is facilitated.

The detachable fixing mode has multiple modes, such as screw fixing or clamping fixing, and the like, and all belong to the protection range of the patent. In this embodiment, a snap-fit fastening is preferably used.

As shown in fig. 5, the movable portion 42 is provided with an assembling groove 422 along the length direction thereof, two ends of the assembling groove 422 are respectively provided with coaxial rotating shaft holes 421, and the rotating shaft 431 is sequentially inserted into the two rotating shaft holes 421 from one end of the assembling groove 422; at least one end of the rotation shaft 431 is located outside the fitting groove 422 for detachable fixation with the fixing portion 41, and the torsion spring 432 is located in the fitting groove 422. The assembly groove 422 can provide an assembly space for the torsion spring 432, and simultaneously plays a role in limiting the torsion spring 432, so that the torsion spring 432 is prevented from being deformed in an unrecoverable manner when being stressed.

The pivot 431 also provides a guide and limit for the torsion spring 432.

As shown in fig. 5 and 6, a limiting portion 433 is formed on an end surface of the rotating shaft 431 located outside the assembling groove 422, a limiting hole 410 matched with the limiting portion 433 is formed on one side surface of the fixing portion 41, the limiting portion 433 is inserted into the limiting hole in an insertable manner, and the limiting hole is used for limiting the rotating shaft 431 to rotate. This in pluggable fixed mode easy dismounting need not use any instrument can realize.

The fixing portion 41 includes a fixing base 411 and a fixing protrusion 412 formed on the fixing base 411, the fixing protrusion 412 protrudes out of the surface of the fixing base 411, the fixing base 411 is fixed on the front end face of the smoke collecting hood 1, and the fixing base 411 and the fixing protrusion 412 are preferably integrally formed through fixed connection modes such as screw connection, rivet connection or clamping connection. The limiting hole is formed on the fixing protrusion 412.

Since the panel 2 is a long strip extending in the horizontal direction, it is preferable that the two elastic mechanisms 4 are provided in order to improve the stability of the fixed connection between the panel 2 and the smoke collecting hood 1. Certainly also can be more than two, and the quantity of elastic mechanism 4 can be specifically selected according to actual need, all belongs to the utility model discloses a protection scope. The panel 2 is fixed with the smoke collecting hood 1 through the two elastic mechanisms 4, so that the situation that the panel 2 rotates around the elastic mechanisms 4 due to the gravity of the panel is prevented from occurring.

Example two

The embodiment provides a range hood with an elastic component in another structural form. As shown in fig. 2, the range hood includes a smoke collecting cover 1, a panel 2 and a housing 3, wherein the panel 2 is connected with the smoke collecting cover 1 through an elastic mechanism 4. For details of this part, reference may be made to the description of the first embodiment, which is not described herein.

As shown in fig. 7 and 8, the elastic mechanism 4 in the present embodiment includes a fixed portion 41, a movable portion 42 and an elastic component, wherein the elastic component in the present embodiment includes a spring 434, one end of the spring 434 is fixed to the fixed portion 41, the other end is fixed to the movable portion 42, and an axial direction of the spring 434 is arranged along a direction perpendicular to the panel 2. The principle of the elastic mechanism 4 in this embodiment of buffering the collision is that the spring 434 is compressed or elongated in the length direction of the spring, and then the panel 2 moves towards the smoke collecting hood 1, the spring 434 generates a reverse resilience force, and when the collision force is removed, the spring 434 drives the panel 2 to reset. The collision force can be buffered, and the technical problem of injury to users is solved.

As shown in fig. 8, in the present embodiment, the movable portion 42 includes a first side 423 and a second side 424 in an L shape, the first side 423 is fixed on the rear end surface of the panel 2, a protrusion 425 is formed on a side surface of the second side 424 opposite to the first side 423, the fixed portion 41 includes a third side 413 and a fourth side 414 in an L shape, the extending direction of the fourth side 414 is perpendicular to the panel 2, a guide groove 415 is formed on the fourth side 414 along the extending direction thereof, the protrusion 425 is inserted into the guide groove 415, the protrusion 425 can move along the guide groove 415, one end of the spring 434 is fixed with the protrusion 425, and the other end is fixed with the third side 413.

As shown in fig. 9 and 10, when the panel 2 is collided, the projection 425 moves in the direction of the guide groove 415 toward the smoke collecting hood 1, and the spring 434 is elongated, so that the reaction force of the panel 2 can be buffered. When the collision force is released, the spring 434 is reset, and the cam 425 is moved in the opposite direction along the guide slot 415, thereby resetting the panel 2. This elastic mechanism of well structure for the stroke that the panel can contract backward is farther, and is better to the shock-absorbing capacity of collision force, can avoid the damage to the user.

In order to prevent the fixed portion 41 from affecting the aesthetic appearance, it is preferable that it is fitted into the hood 1, as shown in fig. 7, a fitting hole 11 is opened on the front end face of the hood 1, the fixed portion 41 is fixed in the fitting hole 11, and at least the second side 423 of the movable portion 42 protrudes into the fitting hole 11. The second side 423 can move along the guide groove 415 in the fitting hole 11. The assembly hole 11 hides the structure, so that the assembly hole has attractive appearance and also has the function of protecting the fixed part 41 and the movable part 42, oil stains are prevented from being accumulated due to long-term exposure outside, and the problem of inflexible sliding is avoided.

For the same reason, the elastic mechanisms 4 in the present embodiment have two elastic mechanisms to improve the stability of the fixed connection between the panel 2 and the smoke collecting hood 1. Certainly also can be more than two, and the quantity of elastic mechanism 4 can be specifically selected according to actual need, all belongs to the utility model discloses a protection scope.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or that equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the present invention, which is claimed.

Claims

1. A range hood, comprising:

a smoke collecting hood;

the panel is arranged on the front end surface of the smoke collecting hood;

it is characterized by also comprising:

2. A hood fan according to claim 1, characterized in that said elastic means comprise:

a fixing portion fixed to the smoke collection cover;

a movable portion fixed to the panel;

3. A hood fan according to claim 2, characterized in that said elastic member comprises:

4. A range hood as claimed in claim 3, wherein the rotary shaft is detachably fixed to the fixing part;

5. The range hood according to claim 4, wherein a limiting portion is formed on an end surface of the rotating shaft located outside the assembling groove, a limiting hole matched with the limiting portion is formed on one side surface of the fixing portion, the limiting portion can be inserted into the limiting hole in a pluggable manner, and the limiting hole is used for limiting rotation of the rotating shaft.

6. A range hood according to claim 2, wherein the fixed portion is fixed to a front end surface of the smoke collecting hood, and the movable portion is fixed to a rear end surface of the panel facing the smoke collecting hood.

7. A range hood as claimed in claim 2, wherein the elastic member comprises a spring, one end of the spring is fixed to the movable portion, the other end of the spring is fixed to the fixing portion, and the axial direction of the spring is perpendicular to the direction of the panel.

8. A range hood as claimed in claim 7, wherein the movable portion comprises a first side and a second side of L shape, the first side is fixed on the rear end face of the panel, a protruding block is formed on the side of the second side opposite to the first side, the fixed portion comprises a third side and a fourth side of L shape, the extending direction of the fourth side is perpendicular to the panel, a guide groove is formed on the fourth side along the extending direction of the fourth side, the protruding block is inserted into the guide groove and can move along the guide groove, one end of the spring is fixed with the protruding block, and the other end of the spring is fixed with the third side.

9. A range hood as set forth in claim 8, wherein a fitting hole is opened on a front end surface of the hood, the fixed part is fixed in the fitting hole, and at least the second side of the movable part is inserted into the fitting hole.

10. A hood fan according to any of claims 1-9, characterized in that there are two of said elastic means.