CN113883562A

CN113883562A - Smoke exhaust ventilator

Info

Publication number: CN113883562A
Application number: CN202111203507.3A
Authority: CN
Inventors: 周建华; 李硕; 李钟毅; 李刚; 胡小帝; 王宏
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2021-10-15
Filing date: 2021-10-15
Publication date: 2022-01-04

Abstract

The invention relates to a range hood, comprising: the shell comprises a top plate and a side plate which are connected in an intersecting manner, and an accommodating cavity is formed by enclosing the top plate and the side plate; the fan is arranged in the accommodating cavity and is fixedly connected with the top plate; the fixing device comprises a first connecting piece and a second connecting piece, one of the first connecting piece and the second connecting piece is matched and connected with the side plate, and the other of the first connecting piece and the second connecting piece is matched and connected with the fan; the fixing device is provided with a locking state in which the first connecting piece and the second connecting piece are fixedly connected with each other and an unlocking state in which the first connecting piece and the second connecting piece are separated from each other. When the range hood is installed, the fixing device is switched to the unlocking state, the first connecting piece is separated from the second connecting piece, the fan is further separated from the side wall of the shell, vibration cannot be transmitted between the fan and the side wall of the shell, vibration of the whole range hood is further reduced, and noise generated during operation of the range hood is reduced.

Description

Smoke exhaust ventilator

Technical Field

The invention relates to the technical field of kitchen appliances, in particular to a range hood.

Background

The kitchen is closely related with everyone's life, is the place of culinary art food, and the interior suction ventilator of kitchen has become essential electrical apparatus, and the suction ventilator can set up in the cooking utensils top for the oil smoke that produces when the suction culinary art makes the kitchen air keep fresh. Generally, a range hood comprises a shell and a fan, wherein a volute of the fan is fixed on the shell through a support, when a motor inside the fan works, the fan resonates, and the vibration of the fan is finally transmitted to the shell through the support to cause the overall resonance of the range hood, so that the noise generated when the range hood works is relatively large.

Disclosure of Invention

Therefore, it is necessary to provide a range hood for solving the problem of the conventional range hood that the noise is large during operation.

A range hood, the range hood comprising:

the shell comprises a top plate and a side plate which are connected in an intersecting manner, and an accommodating cavity is formed by enclosing the top plate and the side plate;

the fan is arranged in the accommodating cavity and is fixedly connected with the top plate;

the fixing device comprises a first connecting piece and a second connecting piece, one of the first connecting piece and the second connecting piece is matched and connected with the side plate, and the other of the first connecting piece and the second connecting piece is matched and connected with the fan;

the fixing device is provided with a locking state that the first connecting piece and the second connecting piece are fixedly connected with each other and an unlocking state that the first connecting piece and the second connecting piece are separated from each other.

The range hood switches the fixing device to the locking state in the transportation process, and the fixing device is fixedly connected with the first connecting piece and the second connecting piece, so that the fan is fixedly connected with the side plate of the shell, the top plate and the side plate of the fan and the shell are fixedly connected, more supporting points and supporting force are provided, and the fan is prevented from being deformed or falling off due to too few supports received in the transportation process. When the range hood is installed after the transportation is finished, the fixing device is switched to the unlocking state, the first connecting piece is separated from the second connecting piece, the fan is further separated from the side wall of the shell, vibration cannot be transmitted between the fan and the side wall of the shell, and equivalently, the fan is arranged in a suspension mode. So, at range hood during operation, prevent that the vibration of fan from directly transmitting to the shell lateral wall, reduce the vibration that the shell received, and then reduce the vibration of the whole machine of range hood, reduce the noise that range hood during operation produced, improve user's use and experience. Therefore, the noise of the range hood during operation can be reduced, and the range hood can be prevented from deforming and falling off the fan in the transportation process.

In one embodiment, the fixing device comprises a locking assembly, and the locking assembly is fixedly connected with the first connecting piece and the second connecting piece in the locking state; and when the locking component is in the unlocking state, the locking component is separated from the first connecting piece and the second connecting piece.

In one embodiment, the locking assembly comprises a first clamp and a second clamp; in the locking state, the first clamp is sleeved on the same side of the first connecting piece and the second connecting piece, the second clamp is sleeved on the same side of the first connecting piece and the second connecting piece, and the first clamp and the second clamp are mutually butted and fixedly connected.

In one embodiment, in the unlocked state, the first clamp and the second clamp are separated from each other and both separated from the first connecting piece and the second connecting piece.

In one embodiment, in the locked state, the first clamp and the second clamp are butted and enclosed to form a first accommodating cavity and a second accommodating cavity, the first connecting member is at least partially sleeved in the first accommodating cavity, and the second connecting member is at least partially sleeved in the second accommodating cavity.

In one embodiment, the second connecting member has a limiting hole, the first clamp and the second clamp are butted to each other to form a limiting boss, and the limiting boss is sleeved in the limiting hole.

In one embodiment, the first connecting member extends in a long strip shape and is coupled with the side plate, the fixing device further includes a limiting assembly, the limiting assembly includes a first limiting member and a second limiting member, and the first limiting member and the second limiting member are disposed on the first connecting member at intervals along the extending direction of the first connecting member;

when the locking device is in the locking state, at least part of the first clamp and at least part of the second clamp are sleeved between the first limiting piece and the second limiting piece.

In one embodiment, the fixing device comprises a fastener, and the fastener is used for fixedly connecting the first clamp and the second clamp which are butted with each other.

In one embodiment, one of the first clamp and the second clamp is provided with a through hole, the other of the first clamp and the second clamp is provided with a connecting hole communicated with the through hole, and the fastener penetrates through the through hole to be in threaded connection with the wall of the connecting hole.

In one embodiment, the fastener is positioned on the side of the second connecting piece away from the first connecting piece; the fixing device further comprises an auxiliary assembly, wherein the auxiliary assembly is arranged at one end, far away from the fastener, of the locking assembly and used for locking or releasing the first clamp and the second clamp.

In one embodiment, the auxiliary assembly includes a protrusion and a buckle, the buckle is disposed on the first clamp, the protrusion is disposed on the second clamp, and the buckle and the protrusion can be engaged with or disengaged from each other.

Drawings

Fig. 1 is a schematic structural diagram of a range hood according to an embodiment of the present invention;

FIG. 2 is a schematic view of a perspective view of a fan and a fixing device in the range hood shown in FIG. 1;

FIG. 3 is a schematic view of the blower and fixture of FIG. 2 from another perspective;

FIG. 4 is an exploded view of the fixture of FIG. 2;

fig. 5 is an assembled view of the fixing device shown in fig. 2.

Reference numerals: 100. a range hood; 10. a housing; 12. a top plate; 14. a side plate; 30. a fan; 50. a fixing device; 52. a first connecting member; 54. a second connecting member; 541. a limiting hole; 55. a locking assembly; 551. a first clamp; 553. a second clamp; 554. a limiting boss; 555. a first accommodating cavity; 556. a second accommodating cavity; 571. a first limit piece; 573. a second limiting member; 58. a fastener; 59. an auxiliary component; 591. buckling; 593. and (4) protruding.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1, in an embodiment of the present invention, a range hood 100 is provided, which includes a housing 10 and a fan 30, wherein the fan 30 is disposed in the housing 10 for forming a negative pressure for sucking oil smoke to suck the oil smoke generated by cooking in a kitchen to the outside. The shell 10 comprises a top plate 12 and a side plate 14 which are connected in an intersecting manner, an accommodating cavity is formed between the top plate 12 and the side plate 14 in an enclosing manner, and the fan 30 is arranged in the accommodating cavity and fixedly connected with the top plate 12, so that the fan 30 is fixed on the top plate 12 of the shell 10.

Referring to fig. 2-5, the range hood 100 further includes a fixing device 50, the fixing device 50 includes a first connecting piece 52 and a second connecting piece 54, one of the first connecting piece 52 and the second connecting piece 54 is connected with the side plate 14, and the other of the first connecting piece 52 and the second connecting piece 54 is connected with the fan 30; the fixing device 50 has a locked state in which the first and

second connectors

52 and 54 are fixedly connected to each other, and an unlocked state in which the first and

second connectors

52 and 54 are separated from each other.

Therefore, in the process of transporting the range hood 100, the fixing device 50 is switched to the locking state, and the fixing device 50 is used to fixedly connect the first connecting member 52 and the second connecting member 54, so as to fixedly connect the fan 30 with the side plate 14 of the housing 10, so that the fan 30 is fixedly connected with both the top plate 12 and the side plate 14 of the housing 10, and has more supporting points and supporting forces, thereby preventing the fan 30 from being deformed or falling off due to too few supports received in the transportation process. When the range hood 100 is mounted after transportation, the fixing device 50 is switched to the unlocking state, so that the first connecting piece 52 is separated from the second connecting piece 54, and further the fan 30 is separated from the side wall of the housing 10, and no vibration is transmitted between the two, which is equivalent to the fan 30 being suspended. Therefore, when the range hood 100 works, the vibration of the fan 30 is prevented from being directly transmitted to the side wall of the shell 10, the vibration received by the shell 10 is reduced, the vibration of the whole range hood 100 is further reduced, the noise generated when the range hood 100 works is reduced, and the user experience is improved. Therefore, the noise of the range hood 100 during operation can be reduced, and the fan 30 can be prevented from being deformed and falling off during the transportation process of the range hood 100.

In some embodiments, the fixture 50 includes a locking assembly 55. In the locked state, the locking assembly 55 is fixedly connected to the first connecting member 52 and the second connecting member 54 to fixedly connect the fan 30 and the side plate 14 of the housing 10, so as to prevent too few fixing points of the fan 30 during transportation of the range hood 100 and prevent the fan 30 from deforming and falling off. When the range hood 100 is assembled, the locking assembly 55 can be detached, so that the first connecting piece 52 and the second connecting piece 54 are not fixedly connected, the fan 30 is suspended, vibration transmitted from the fan 30 to the housing 10 is reduced, and noise generated when the range hood 100 works is reduced.

Referring to fig. 3-5, further, the locking assembly 55 includes a first clamp 551 and a second clamp 553. In the locked state, the first clamp 551 is disposed on the same side of the first connector 52 and the second connector 54, the second clamp 553 is disposed on the same side of the first connector 52 and the second connector 54, and the first clamp 551 and the second clamp 553 are connected to each other. In the assembling process, the first clamp 551 is sleeved from one side, the first clamp 551 is sleeved on the first connector 52 and the second connector 54, the second clamp 553 is sleeved from the opposite side, the second clamp 553 is also sleeved on the first connector 52 and the second connector 54, finally, the first clamp 551 and the second clamp 553 are butted and fixedly connected with each other, and the first connector 52 and the second connector 54 are fixedly connected through the fixedly connected first clamp 551 and second clamp 553.

In the unlocked state, the first and

second clamps

551 and 553 are separated from each other and are separated from the first and

second connectors

52 and 54. Correspondingly, when the state of the locking assembly 55 is switched, the first clamp 551 and the second clamp 553 can be separated from each other, the first clamp 551 is detached from the first connector 52 and the second connector 54, and the second clamp 553 is also detached from the first connector 54 and the second connector 54, so that the locking assembly 55 is switched from the locking state to the unlocking state, so that the connection point between the fan 30 and the housing 10 is reduced, and the noise generated during vibration transmission and operation is reduced.

Referring to fig. 3 and 5, in some embodiments, in the locked state, the first clamp 551 and the second clamp 553 are butted and enclose to form a first accommodating cavity 555 and a second accommodating cavity 556, the first connector 52 is at least partially sleeved in the first accommodating cavity 555, and the second connector 54 is at least partially sleeved in the second accommodating cavity 556. Thus, in the locked state, after the first clamp 551 and the second clamp 553 are abutted, a first accommodating cavity 555 and a second accommodating cavity 556 are formed between the first clamp 551 and the second clamp 553, so that the first clamp 551 and the second clamp 553 are integrally sleeved on the first connector 52 and the second connector 54, and the first connector 52 and the second connector are fixedly connected. In the unlocked state, when the first clamp 551 and the second clamp 553 are separated from each other, the first receiving cavity 555 and the second receiving cavity 556 disappear, and the first clamp 551 and the second clamp 553 are no longer matched and fixedly connected with the first connector 52 and the second connector 54, allowing the connection point between the first connector 52 and the second connector 54 to disappear.

Referring to fig. 2, in some embodiments, the first connecting member 52 extends in an elongated shape and is coupled to the side plate 14, for example, the first connecting member 52 is welded to the side plate 14 or connected by screws. The fixing device 50 further includes a limiting assembly, which includes a first limiting member 571 and a second limiting member 573, wherein the first limiting member 571 and the second limiting member 573 are installed on the first connecting member 52 along the extending direction of the first connecting member 52; in the locked state, at least a portion of the first clamp 551 and at least a portion of the second clamp 553 are both disposed between the first retaining member 571 and the second retaining member 573. In this way, the first and

second fixtures

551 and 553 may be limited in the extending direction of the first connector 52 by the first and second limiting

members

571 and 573, which facilitates the assembly and alignment of the first and

second fixtures

551 and 553.

Referring to fig. 4-5, in some embodiments, the second connector 54 has a limiting hole 541, the first clamp 551 and the second clamp 553 are butted to each other to form a limiting boss 554, the limiting boss 554 is sleeved in the limiting hole 541, so the first clamp 551 and the second clamp 553 can be further limited by the sleeving of the limiting boss 554 and the second connector 54, and the first clamp 551 and the second clamp 553 can be conveniently assembled in place by limiting in the assembling process.

In some embodiments, the fixing device 50 includes a fastener 58, and the fastener 58 fixedly connects the first clamp 551 and the second clamp 553 which are butted against each other, so that the first clamp 551 and the second clamp 553 are detachably fixedly connected by the fastener 58, and the fastener 58 is detached when it is required to separate the first clamp 551 and the second clamp 553.

Specifically, one of the first clamp 551 and the second clamp 553 is provided with a through hole, the other of the first clamp 551 and the second clamp 553 is provided with a connecting hole communicated with the through hole, and the fastener 58 penetrates through the through hole and is in threaded connection with the hole wall of the connecting hole. In this way, through holes and connecting holes are respectively formed in the first clamp 551 and the second clamp 553 to be cooperatively connected with the fasteners 58, so that the first clamp 551 and the second clamp 553 are fixedly connected by the fasteners 58. It is understood that the wall of the through hole may also be threadably connected to the fastener 58, and is not limited thereto.

Referring to fig. 3-5, in some embodiments, the fastening member 58 is located on a side of the first connecting member 52 away from the second connecting member 54, and the fixing device 50 further includes an auxiliary component 59, wherein the auxiliary component 59 is disposed on an end of the locking component 55 away from the fastening member 58, i.e., on a side of the second connecting member 54 away from the first connecting member 52, and is used for locking and releasing the first clamp 551 and the second clamp 553. Correspondingly, the fastener 58 and the locking component 55 are respectively arranged on two sides of the first connector 52 and the second connector 54, two fixed connection points are arranged for the first clamp 551 and the second clamp 553, and the reliability of the fixed connection is improved.

Referring to fig. 2, in particular, the auxiliary assembly 59 includes a catch 591 and a projection 593, the catch 591 being provided on the first clamp 551, the projection 593 being provided on the second clamp 553, the catch 591 and the projection 593 being able to engage and disengage with each other. In this way, the first clamp 551 and the second clamp 553 are respectively provided with the buckle 591 and the protrusion 593, and when the first clamp 551 and the second clamp 553 are butted with each other, the buckle 591 and the protrusion 593 can be buckled to lock the first clamp 551 and the second clamp 553, so that the locking assembly 55 is switched to the locking state. When the first and

second clamps

551, 553 need to be separated, the disengagement of the catch 591 and the projection 593 allows the first clamp 551 to be separated from the second clamp 553, causing the locking assembly 55 to switch to the unlocked state.

The range hood 100 comprises the fixing device 50, the fan 30 and the side wall of the housing 10 are fixed through the fixing device 50 in the process of transporting the range hood 100, more supporting points are provided for the fan 30, and the fan 30 is prevented from deforming or falling off after being impacted in the transportation process. When the range hood 100 is assembled after the transportation is finished, the fixing device 50 can be switched to an unlocking state, so that the fixing device 50 is not fixedly connected with the side wall of the fan 30 and the side wall of the shell 10, the side wall of the fan 30 and the side wall of the shell 10 are mutually independent, the vibration generated when the fan 30 works can not be directly transmitted to the side wall of the shell 10, the vibration generated by the shell 10 is reduced, the vibration and the noise of the whole range hood 100 during the work are further reduced, and the use experience of a user is improved.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A range hood, characterized in that, range hood includes:

the shell (10) comprises a top plate (12) and a side plate (14) which are connected in an intersecting manner, and an accommodating cavity is formed by the top plate (12) and the side plate (14) in an enclosing manner;

the fan (30) is arranged in the accommodating cavity and fixedly connected with the top plate (12);

a fixture (50), the fixture (50) including a first connector (52) and a second connector (54), one of the first connector (52) and the second connector (54) being mated with the side plate (14), the other of the first connector (52) and the second connector (54) being mated with the fan (30);

wherein the fixing device (50) has a locked state in which the first connecting element (52) and the second connecting element (54) are fixedly connected to each other, and an unlocked state in which the first connecting element (52) and the second connecting element (54) are separated from each other.

2. The range hood according to claim 1, wherein the fixing device (50) comprises a locking assembly (55), and in the locking state, the locking assembly (55) fixedly connects the first connecting piece (52) and the second connecting piece (54); in the unlocked state, the locking assembly (55) is disengaged from the first connector (52) and the second connector (54).

3. The range hood of claim 2, wherein the locking assembly (55) comprises a first clamp (551) and a second clamp (553); when the locking state is realized, the first clamp (551) is sleeved on the same side of the first connector (52) and the second connector (54), the second clamp (553) is sleeved on the other same side of the first connector (52) and the second connector (54), and the first clamp (551) and the second clamp (553) are mutually butted and fixedly connected.

4. The extractor hood according to claim 3, characterized in that, in the unlocked state, the first clamp (551) and the second clamp (553) are separated from each other and from the first connector (52) and the second connector (54).

5. The range hood according to claim 3, wherein in the locked state, the first clamp (551) and the second clamp (553) are butted against each other and enclose to form a first accommodating cavity (555) and a second accommodating cavity (556), the first connector (52) is at least partially sleeved in the first accommodating cavity (555), and the second connector (54) is at least partially sleeved in the second accommodating cavity (556).

6. The range hood according to claim 3, wherein the second connector (54) has a limiting hole (541), the first clamp (551) and the second clamp (553) are butted to form a limiting boss (554), and the limiting boss (554) is sleeved in the limiting hole (541).

7. The range hood according to claim 3, wherein the first connecting member (52) extends in a long strip shape and is coupled to the side plate (14), the fixing device (50) further comprises a limiting assembly, the limiting assembly comprises a first limiting member (571) and a second limiting member (573), and the first limiting member (571) and the second limiting member (573) are spaced apart from each other on the first connecting member (52) along the extending direction of the first connecting member (52);

in the locking state, at least part of the first clamp (551) and at least part of the second clamp (553) are sleeved between the first retaining piece (571) and the second retaining piece (573).

8. The range hood according to claim 3, wherein the fixing device (50) comprises a fastener (58), and the fastener (58) fixedly connects the first clamp (551) and the second clamp (553) which are butted with each other.

9. The range hood of claim 8, wherein one of the first clamp (551) and the second clamp (553) is provided with a through hole, the other one of the first clamp (551) and the second clamp (553) is provided with a connecting hole communicated with the through hole, and the fastener (58) passes through the through hole and is in threaded connection with the hole wall of the connecting hole.

10. The range hood of claim 8, wherein the fastener (58) is located on a side of the second connector (54) remote from the first connector (52); the fixing device (50) further comprises an auxiliary assembly (59), wherein the auxiliary assembly (59) is arranged at one end, away from the fastener (58), of the locking assembly (55) and used for locking or releasing the first clamp (551) and the second clamp (553).

11. The range hood according to claim 10, wherein the auxiliary assembly (59) comprises a buckle (591) and a protrusion (593), the buckle (591) is provided on the first fixture (551), the protrusion (593) is provided on the second fixture (553), and the buckle (591) and the protrusion (593) can be engaged with or disengaged from each other.