CN220891156U - Switch structure and range hood - Google Patents

Abstract

The utility model provides a switch structure and a range hood, and relates to the technical field of household appliances. The inside of the shell is provided with a cavity, and the shell is provided with an inlet and an outlet which are communicated with the cavity and the external environment; the adjusting piece is arranged in the cavity and is configured to rotate between a first position and a second position along the circumferential direction; when the regulating piece is at the first position, the inlet is communicated with the outlet; when the regulating piece is at the second position, the inlet and the outlet are not communicated. According to the embodiment provided by the utility model, the position of the regulating piece in the cavity is regulated by rotating the regulating piece, so that the corresponding relation between the regulating piece and the inlet and the corresponding relation between the regulating piece and the outlet are regulated, and whether the inlet and the outlet are communicated or not are realized; under the condition that the inlet and the outlet are not communicated and the range hood is in a cleaning state, the discharge of cleaning liquid is avoided, the reduction of the cleaning liquid is prevented, and the cleaning efficiency is further ensured.

Description

Switch structure and range hood

Technical Field

The utility model relates to the technical field of household appliances, in particular to a switch structure and a range hood.

Background

The fume exhauster is one kind of household kitchen appliance capable of sucking fume and water vapor produced during cooking in kitchen to outdoor, so as to purify kitchen environment. After the range hood works for a period of time, a large amount of dirty oil can be accumulated on the inner wall of the volute of the fan and the surface of the wind wheel, and the dirty oil can cause load increase, noise increase and reduce the efficiency of fume extraction. A cleaning system is usually arranged in the existing product to clean the fan. However, in the cleaning process, the cleaning liquid easily flows out from the drain outlet of the volute, so that the cleaning liquid in the volute is reduced, and the cleaning efficiency is reduced.

Disclosure of utility model

Aiming at the defects of the prior art, the application provides a switch structure and a range hood, which are used for solving the technical problems that in the prior art, cleaning liquid easily flows out from a drain outlet of a volute, cleaning liquid in the volute is reduced, and cleaning efficiency is reduced.

In a first aspect, an embodiment of the present application provides a switch structure, applied to a range hood, where the switch structure includes: the shell is internally provided with a cavity, and an inlet and an outlet which are communicated with the cavity and the external environment are formed in the shell; an adjustment tab disposed within the cavity and configured to rotate circumferentially between a first position and a second position; the inlet and the outlet are in communication when the regulating piece is in the first position, and the inlet and the outlet are not in communication when the regulating piece is in the second position.

As an alternative embodiment, the adjusting sheet includes: a regulating plate main body; a connecting shaft connected to the regulating blade body and protruding from the regulating blade body in a longitudinal direction or a width direction; the connecting shaft is rotationally connected with the shell; the adjusting piece main body rotates between the first position and the second position by taking the connecting shaft as a rotating shaft.

As an alternative embodiment, the adjusting piece further includes: the reinforcing shaft is arranged on one side of the adjusting plate main body opposite to the connecting shaft and is coaxial with the connecting shaft; the reinforcing shaft is rotatably connected with the shell.

As an alternative embodiment, the switch structure further comprises: the motor comprises a driving shaft, and the driving shaft is connected with the connecting shaft.

As an alternative embodiment, the switch structure further comprises: the connecting piece, the relative both sides are provided with first jack and the second jack of sunkening in opposite directions, first jack with the drive shaft grafting of motor, the second jack with the connecting axle grafting.

As an alternative embodiment, the switch structure, the housing includes: a case main body; the shell cover is connected with the shell main body, and the cavity is formed by surrounding the shell cover and the shell main body; the switch structure further includes: the first sealing piece is arranged at the joint of the shell main body and the shell cover.

As an alternative implementation mode, the shell cover is provided with a through hole communicated with the cavity and the external environment; the motor is arranged on the outer side of the shell cover; the connecting shaft of the adjusting piece penetrates through the through hole and is connected with the driving shaft of the motor.

As an alternative embodiment, the switch structure further comprises a second seal; a limiting sleeve is arranged on the inner side of the shell cover in an inward extending manner, and the limiting sleeve is sleeved on the outer side of the connecting shaft; the second sealing piece is arranged between the limiting sleeve and the connecting shaft.

As an alternative embodiment, the shell is provided with a first connecting part and a second connecting part which are protruded outwards, and the connecting line between the first connecting part and the second connecting part is perpendicular to the rotating shaft of the regulating piece; the inlet is formed in the first connecting part; the outlet is formed in the second connecting portion.

In a second aspect, an embodiment of the present application provides a range hood, including: the fan is provided with a sewage outlet; the switch structure of any of the preceding embodiments, an inlet of the switch structure being in communication with a drain of the blower.

The application provides a switch structure and a range hood, and the technical scheme provided by the embodiment of the application has at least the following beneficial effects:

The position of the regulating piece in the cavity is regulated by rotating the regulating piece, so that the corresponding relation between the regulating piece and the inlet and between the regulating piece and the outlet are regulated, and whether the inlet and the outlet are communicated or not is realized; the device is used for discharging dirty oil under the conditions that the inlet and the outlet are communicated and the range hood is in a non-cleaning state. Under the condition that the inlet and the outlet are not communicated and the range hood is in a cleaning state, the discharge of cleaning liquid is avoided, the reduction of the cleaning liquid is prevented, and the cleaning efficiency is ensured.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application as claimed.

Drawings

The foregoing and/or additional aspects and advantages of the application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

Fig. 1 is a schematic structural diagram of a switch structure according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of a switch structure according to another embodiment of the present application;

fig. 3 is a schematic structural diagram of an adjusting plate in a switch structure according to an embodiment of the present application;

Fig. 4 is a schematic structural diagram of a motor in a switch structure according to an embodiment of the present application;

fig. 5 is a schematic structural diagram of a connecting member in a switch structure according to an embodiment of the present application;

fig. 6 is a schematic structural diagram of a connecting member in a switch structure according to another embodiment of the present application;

fig. 7 is a schematic structural diagram of a housing in a switch structure according to an embodiment of the present application;

Fig. 8 is a schematic diagram of a positional relationship of an adjusting plate in a first position in a switch structure according to an embodiment of the present application;

FIG. 9 is a schematic view of the horizontal cross-sectional structure of FIG. 8;

Fig. 10 is a schematic diagram of a positional relationship of an adjusting plate in a second position in a switch structure according to an embodiment of the present application;

FIG. 11 is a schematic view of the horizontal cross-sectional structure of FIG. 10;

Fig. 12 is a schematic structural view of a range hood according to an embodiment of the present application.

Reference numerals and corresponding description:

1: a housing; 11: a cavity; 12: a case main body; 13: a cover; 14: a through hole; 15: a limit sleeve; 16: a first connection portion; 17: a second connecting portion;

2: a regulating piece; 21: a regulating plate main body; 22: a connecting shaft; 23: a reinforcing shaft;

3: a motor; 31: a drive shaft; 32: a motor main body;

4: a connecting piece; 41: a first jack; 42: a second jack;

5: a first seal;

6: a second seal;

7: a volute;

8: a sewage outlet;

9: a connecting pipe;

10: an oil cup.

Detailed Description

The present application is described in detail below, examples of embodiments of the application are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar components or components having the same or similar functions throughout. Further, if detailed description of the known technology is not necessary for the illustrated features of the present application, it will be omitted. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the application.

As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless expressly stated otherwise, as understood by those skilled in the art. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that 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. Further, "connected" as used herein may include wireless connections. The term "and/or" as used herein includes all or any element and all combination of one or more of the associated listed items.

As shown in fig. 1 to 11, an embodiment of the present application provides a switch structure, which is applied to a range hood. The switch structure mainly comprises a shell 1 and a regulating piece 2. The inside of the shell 1 is provided with a cavity 11, and the shell 1 is provided with an inlet and an outlet which are communicated with the cavity 11 and the external environment; the adjusting piece 2 is arranged in the cavity 11 and is configured to rotate between a first position and a second position along the circumferential direction; when the regulating piece 2 is at the first position, the inlet and the outlet are communicated; in the second position the inlet and outlet are not in communication with each other.

In this embodiment, the switch structure is disposed on a horizontal plane. The shell wall of the shell 1 encloses and forms a cavity 11, the cavity 11 is used for accommodating the adjusting piece 2, and the accommodating adjusting piece 2 is matched with the cavity 11 so as to realize that the adjusting piece 2 rotates clockwise or anticlockwise. The top of the housing 1 is provided with an inlet with an upward opening direction, and the bottom of the housing 1 is provided with an outlet with a downward opening direction. The projections of both the passage area of the inlet and the passage area of the outlet in the vertical direction overlap at least partially, and a communicating space is formed between the inlet and the outlet, which is present in the cavity 11. When the adjusting piece 2 is at the first position, the adjusting piece 2 is vertically arranged to form an avoidance structure, and a communication space between the inlet and the outlet is continuous, so that the inlet and the outlet are communicated; when the regulating plate 2 is at the second position, the regulating plate 2 is horizontally arranged, and is matched with the cavity wall of the cavity 11 to form a blocking structure, so that a communication space between the inlet and the outlet is blocked by the regulating plate 2, and the inlet and the outlet are not communicated. The rotation angles of the first position and the second position can be adaptively designed according to practical situations, and the application is not particularly limited.

According to the switch structure provided by the embodiment of the application, the position of the regulating piece 2 in the cavity 11 is regulated by rotating the regulating piece 2, so that the corresponding relation between the regulating piece 2 and the inlet and the corresponding relation between the regulating piece 2 and the outlet are regulated, and whether the inlet and the outlet are communicated or not are realized; the device is used for discharging dirty oil under the conditions that the inlet and the outlet are communicated and the range hood is in a non-cleaning state. Under the condition that the inlet and the outlet are not communicated and the range hood is in a cleaning state, the discharge of cleaning liquid is avoided, the reduction of the cleaning liquid is prevented, and the cleaning efficiency is ensured.

As shown in fig. 3, as an alternative embodiment, the regulating blade 2 mainly includes a regulating blade body 21 and a connecting shaft 22. The connecting shaft 22 is connected to the regulating piece body 21 and protrudes from the regulating piece body 21 in the longitudinal direction or the width direction; the connecting shaft 22 is rotatably connected with the shell 1; the regulating blade body 21 rotates between a first position and a second position with the connecting shaft 22 as a rotation axis.

Based on the foregoing embodiment, in the present embodiment, the regulating blade main body 21 has a rectangular parallelepiped sheet-like structure. The connecting shaft 22 is connected with the adjusting plate main body 21 and extends along the length direction of the cuboid so as to protrude from the adjusting plate main body 21, more specifically, the connecting shaft 22 is arranged on the wide side of the cuboid, and the axis of the connecting shaft 22 is coaxial with the symmetry axis of the cuboid. The connecting shaft 22 is used for being connected with a power source to drive the adjusting sheet main body 21 to rotate under the action of external force so as to adjust the position.

The shape of the tab body 21 has various embodiments, and the shape of the tab body 21 can be adaptively designed according to specific practical situations.

Alternatively, the connecting shaft 22 is integrally formed with the regulator blade body 21.

Based on the foregoing embodiments, some possible embodiments are provided in which the regulator blade body 21 has a clearance from the cavity wall of the valve body of 0.1 mm or more and 0.4 mm or less, for example, the clearance between the regulator blade body 21 and the cavity wall of the valve body is 0.3mm.

As shown in fig. 3, as an alternative embodiment, the adjusting plate 2 further includes a reinforcing shaft 23, and the reinforcing shaft 23 is disposed on a side of the adjusting plate body 21 opposite to the connecting shaft 22 and coaxial with the connecting shaft 22; the reinforcement shaft 23 is rotatably connected to the housing 1.

Based on the foregoing embodiment, in this embodiment, the reinforcing shaft 23 is coaxial with the connecting shaft 22 and is rotatably connected with the housing 1 to form a supporting structure, so that not only the stability of maintaining the current position of the adjusting sheet main body 21 can be enhanced, but also the smooth rotation of the adjusting sheet main body 21 can be ensured by the cooperation with the connecting shaft 22.

As shown in fig. 1, 2, 4, 8-11, as an alternative embodiment, the switch structure further comprises a motor 3, which motor 3 comprises a drive shaft 31, which drive shaft 31 is connected to the connecting shaft 22.

Based on the foregoing embodiment, in the present embodiment, the motor 3 is used as a power source, and the motor 3 includes the motor main body 32 and the drive shaft 31 connected to achieve rotation of the regulation piece main body 21 by driving the connecting shaft 22. The motor 3 is connected with a power supply, and drives the connecting shaft 22 to rotate by a design angle after receiving the first electric signal; the connecting shaft 22 is driven to reset after receiving the second electric signal.

As shown in fig. 5, 6 and 8-11, as an alternative embodiment, the switch structure further comprises a connecting member 4, and first insertion holes 41 and second insertion holes 42 recessed toward each other are provided on opposite sides of the connecting member 4, the first insertion holes 41 are inserted into the driving shaft 31 of the motor 3, and the second insertion holes 42 are inserted into the connecting shaft 22.

Based on the foregoing embodiment, in the present embodiment, the problem that both the driving shaft 31 and the connecting shaft 22 cannot be adapted due to the problem of the shaft shape, the driving manner of the shaft or the size of the shaft may be caused, and the present application solves the problem that the foregoing two cannot be effectively connected by the connecting member 4. The connecting piece 4 has a cylindrical structure, a first jack 41 recessed toward a second end is formed at a first end of the connecting piece 4, and a second jack 42 recessed toward the first end is formed at a second end of the connecting piece 4. The depth, size and shape of the first insertion hole 41 are adapted to the end of the driving shaft 31, and the driving shaft 31 is inserted into the first insertion hole 41. The depth, size and shape of the second insertion hole 42 are adapted to the end of the connection shaft 22, and the connection shaft 22 is inserted into the second insertion hole 42; the indirect connection of the motor 3 and the adjusting plate 2 is realized in such a way that both are connected with the connecting piece 4, and the driving relationship of the motor 3 and the adjusting plate 2 is formed.

As shown in fig. 7 to 11, as an alternative embodiment, the housing 1 includes a housing cover 13 and a housing main body 12 connected. The shell cover 13 and the shell main body 12 are surrounded to form a cavity 11; the switch structure further comprises a first seal 5, which first seal 5 is arranged at the junction of the housing body 12 and the housing cover 13.

Based on the foregoing embodiment, in this embodiment, the cover 13 and the main body 12 are both part of the wall of the housing 1. The housing main body 12 has a recess, and the housing cover 13 is bolted to the housing main body 12 and is disposed at an opening of the recess so as to enclose the cavity 11. The first sealing piece 5 is a sealing ring, and the sealing ring is clamped between the shell cover 13 and the shell main body 12, so that the sealing connection between the shell cover 13 and the shell main body 12 is realized, and leakage caused by the fact that cleaning liquid and dirty oil in the cavity 11 flow out of the cavity 11 from the joint of the shell cover 13 and the shell main body 12 is avoided.

As an alternative embodiment, as shown in fig. 7, the cover 13 is provided with a through hole 14 communicating with the cavity 11 and the external environment; the motor 3 is arranged outside the shell cover 13; the connecting shaft 22 of the regulating blade 2 is connected to the driving shaft 31 of the motor 3 through the through hole 14.

Based on the foregoing embodiment, in this embodiment, the motor 3 and the adjusting piece body 21 are respectively disposed on opposite sides of the housing cover 13, that is, the adjusting piece body 21 is disposed in the housing 1, the motor 3 is disposed outside the housing 1, and the connecting member 4 is disposed outside the housing 1 and connected to the driving shaft 31 of the motor 3; the connecting shaft 22 penetrates through the through hole 14, extends out of the housing 1 from the cavity 11, and is connected with the connecting piece 4.

As shown in fig. 8-11, as an alternative embodiment, the switch structure further comprises a second seal 6; a limit sleeve 15 is arranged on the inner side of the shell cover 13 in an inward extending manner, and the limit sleeve 15 is sleeved on the outer side of the connecting shaft 22; the second seal 6 is disposed between the stop collar 15 and the connecting shaft 22.

Based on the foregoing embodiment, in the present embodiment, the spacer 15 extends toward the regulator blade body 21. The second sealing member 6 is a sealing ring, the sealing ring is filled between the limiting sleeve 15 and the connecting shaft 22, the limiting sleeve 15 and the connecting shaft 22 respectively form a structure for supporting the sealing ring, and the sealing ring is tightly connected with the limiting sleeve 15 and the connecting shaft 22 to form sealing connection.

As an alternative embodiment, as shown in fig. 7, the housing 1 is provided with a first connecting portion 16 and a second connecting portion 17 protruding outward, a line between the first connecting portion 16 and the second connecting portion 17 being perpendicular to the rotation axis of the regulating plate 2; the inlet is formed on the first connecting part 16; the outlet is open on the second connection 17.

Based on the foregoing embodiment, in this embodiment, the first connection portion 16 and the second connection portion 17 are both in a circular tubular structure, and the first connection portion 16 and the second connection portion 17 are used for connection with a structure matching with the switch structure, for example, connection with the connection pipe 9. The first connecting portion 16 and the second connecting portion 17 are coaxial, and a connecting line between the first connecting portion 16 and the second connecting portion 17 is an axis of the first connecting portion 16 or the second connecting portion 17. The rotation axis of the adjusting plate 2 is a connection shaft 22, and the connection line between the axis of the connection shaft 22 and the axis of the first connection portion 16 and the connection line between the first connection portion 16 and the second connection portion 17 passes through the connection shaft 22.

In some embodiments, the housing 1 is provided with mounting holes through which bolts can be passed to secure the housing 1.

In some embodiments, the housing 1 is also threadably connected to the motor 3 to fix the relative positions of the housing 1 and the motor 3.

As shown in fig. 12, based on the same inventive concept, an embodiment of the present application provides a range hood including a blower and the switch structure of any one of the foregoing embodiments. The fan is provided with a sewage outlet 8; the inlet of the switch structure is communicated with a sewage outlet 8 of the fan.

Based on the foregoing embodiment, in this embodiment, the fan includes the volute 7, the wind wheel, and the oil cup 10. The volute 7 is internally provided with a containing cavity for containing the wind wheel, the bottom of the volute 7 is provided with a drain outlet 8 communicated with the containing cavity, and the drain outlet 8 is used for discharging sewage and dirty oil generated after cleaning out of the containing cavity. The sewage outlet 8 is connected with an inlet of a switch structure through a connecting pipeline 9, and an outlet of the switch structure corresponds to the oil cup 10 so as to discharge sewage and dirty oil flowing out of the volute 7 to the oil cup 10 to form a sewage system.

In the case where the inlet and outlet of the switch structure are communicated and the range hood is in a non-cleaning state, dirty oil in the scroll 7 is discharged and flows to the oil cup 10. Under the condition that the inlet and the outlet are not communicated and the range hood is in a cleaning state, cleaning liquid is prevented from flowing out of the volute 7, the cleaning liquid is prevented from being reduced, and the cleaning efficiency is ensured.

In the description of the present application, it should be understood that the terms "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application.

The terms "first," "second," and the like, 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 defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.

In the description of the present specification, a particular feature, structure, material, or characteristic may be combined in any suitable manner in one or more embodiments or examples.

The foregoing is only a partial embodiment of the present application, and it should be noted that it will be apparent to those skilled in the art that modifications and adaptations can be made without departing from the principles of the present application, and such modifications and adaptations are intended to be comprehended within the scope of the present application.

Claims (10)

1. A switch structure for a range hood, the switch structure comprising:

The shell (1) is internally provided with a cavity (11), and the shell (1) is provided with an inlet and an outlet which are communicated with the cavity (11) and the external environment;

An adjustment plate (2) disposed within the cavity (11) and configured to rotate circumferentially between a first position and a second position; the inlet and the outlet are in communication when the regulating piece (2) is in the first position, and the inlet and the outlet are not in communication when the regulating piece (2) is in the second position.

2. The switch structure according to claim 1, characterized in that the regulating plate (2) comprises:

A regulating plate main body (21);

A connecting shaft (22) which is connected to the regulating piece main body (21) and protrudes from the regulating piece main body (21) in the longitudinal direction or the width direction; the connecting shaft (22) is rotationally connected with the shell (1);

The adjusting piece main body (21) rotates between the first position and the second position by taking the connecting shaft (22) as a rotation shaft.

3. The switch structure according to claim 2, characterized in that said regulating plate (2) further comprises:

A reinforcing shaft (23) which is provided on the opposite side of the adjustment plate main body (21) from the connecting shaft (22) and is coaxial with the connecting shaft (22); the reinforcement shaft (23) is rotatably connected to the housing (1).

4. The switch structure of claim 2, further comprising:

A motor (3) comprising a drive shaft (31), said drive shaft (31) being connected to said connecting shaft (22).

5. The switch structure of claim 4, further comprising:

The connecting piece (4), opposite both sides are provided with first jack (41) and second jack (42) that are sunken in opposite directions, first jack (41) with drive shaft (31) of motor (3) are pegged graft, second jack (42) with connecting axle (22) are pegged graft.

6. The switch structure according to claim 4, characterized in that the housing (1) comprises:

A case main body (12);

The shell cover (13) is connected with the shell main body (12), and the shell cover (13) and the shell main body (12) are enclosed to form the cavity (11);

The switch structure further includes:

And the first sealing piece (5) is arranged at the joint of the shell main body (12) and the shell cover (13).

7. The switch fabric of claim 6 wherein the switch fabric,

The shell cover (13) is provided with a through hole (14) communicated with the cavity (11) and the external environment;

The motor (3) is arranged on the outer side of the shell cover (13);

The connecting shaft (22) of the adjusting piece (2) passes through the through hole (14) to be connected with the driving shaft (31) of the motor (3).

8. The switching structure according to claim 7, further comprising a second seal (6);

a limiting sleeve (15) is arranged on the inner side of the shell cover (13) in an inward extending mode, and the limiting sleeve (15) is sleeved on the outer side of the connecting shaft (22);

The second sealing piece (6) is arranged between the limiting sleeve (15) and the connecting shaft (22).

9. The switching structure according to any one of claims 1 to 8, wherein,

The shell (1) is provided with a first connecting part (16) and a second connecting part (17) which are protruded outwards, and a connecting line between the first connecting part (16) and the second connecting part (17) is perpendicular to the rotating shaft of the regulating piece (2);

The inlet is formed in the first connecting part (16);

the outlet is arranged on the second connecting part (17).

10. A range hood, comprising:

The fan is provided with a sewage outlet (8);

the switch arrangement according to any one of claims 1-9, the inlet of the switch arrangement being in communication with a drain (8) of the fan.