CN220506928U - Driving mechanism for air conditioner air deflector and air conditioner - Google Patents

Abstract

The application relates to the technical field of air conditioners and discloses a driving mechanism for an air deflector of an air conditioner and the air conditioner. The driving mechanism includes: the first connecting rod is provided with a first tooth part, and the first tooth part is provided with first gear teeth; the second connecting rod is provided with a second tooth part, and second gear teeth are arranged on the second tooth part; a first gear for meshing with the first gear teeth; a second gear for meshing with the second gear teeth; the first gear and/or the second gear are/is non-circular, when the first gear is meshed with the first tooth part, the second gear is meshed with the second tooth part, the absolute value of the difference value of the extending speeds of the first connecting rod and the second connecting rod is larger than the preset difference value, and the air deflector moves between the first opening position and the second opening position. Along with the movement stroke difference of the first connecting rod and the second connecting rod, the air deflector can have various air guiding positions, thereby realizing various different air outlet modes.

Description

Driving mechanism for air conditioner air deflector and air conditioner

Technical Field

The application relates to the technical field of air conditioners, in particular to a driving mechanism for an air deflector of an air conditioner and the air conditioner.

Background

At present, in the related art, when the aviation baffle swings, the rotation center is fixed, can not realize various wind-guiding functions, can not satisfy user's user demand.

The related art discloses a actuating mechanism of wind-guiding mechanism, through setting up first connecting rod and second connecting rod, first connecting rod is movably established in the casing along the extending direction of air-out passageway, the one end of second connecting rod is connected with the one end rotation that is close to the air outlet of first connecting rod, the other end extends towards the air outlet, the aviation baffle is connected with the one end that keeps away from first connecting rod of second connecting rod, and combine first actuating assembly drive first connecting rod to remove, and second actuating assembly drive second connecting rod rotates relative first connecting rod, can make the rotation center of aviation baffle changeable, realize the adjustment of the swing angle size of aviation baffle and the position of relative air conditioner casing, have multiple different wind-guiding function, thereby can make the air conditioner have more multiple air-out modes, satisfy user's different demands.

In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:

in the related art, various positions of the air deflector can be realized, but a first connecting rod, a second connecting rod and a third connecting rod are required to be arranged, and the first connecting rod and the second connecting rod are required to be connected in a rotating way, so that a driving mechanism is complex and low in reliability.

It should be noted that the information disclosed in the foregoing background section is only for enhancing understanding of the background of the present application and thus may include information that does not form the prior art that is already known to those of ordinary skill in the art.

Disclosure of Invention

The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview, and is intended to neither identify key/critical elements nor delineate the scope of such embodiments, but is intended as a prelude to the more detailed description that follows.

The embodiment of the disclosure provides a driving mechanism for an air deflector of an air conditioner and the air conditioner, so as to solve the problems of complex driving mechanism and low reliability in the related art.

According to a first aspect of an embodiment of the present utility model, there is provided a driving mechanism for an air conditioner air deflector, an indoor unit of an air conditioner including a housing defining an air duct and having an air outlet in communication with the air duct, and an air deflector movably disposed at the air outlet; the driving mechanism includes: the first connecting rod is movably connected with the air deflector and performs telescopic motion along the length direction of the air duct, a first tooth part is arranged on the first connecting rod, and first gear teeth are arranged on the first tooth part; the second connecting rod is movably connected with the air deflector and performs telescopic motion along the length direction of the air duct, a second tooth part is arranged on the second connecting rod, and second gear teeth are arranged on the second tooth part; the first gear is used for being meshed with the first gear teeth so as to drive the first connecting rod to do telescopic motion along the length direction of the air duct; the second gear is used for being meshed with the second gear teeth so as to drive the second connecting rod to do telescopic motion along the length direction of the air duct; the first gear and/or the second gear are/is non-circular, when the first gear is meshed with the first tooth part, the second gear is meshed with the second tooth part, the absolute value of the difference value of the extending speeds of the first connecting rod and the second connecting rod is larger than the preset difference value, the air deflector moves between a first opening position and a second opening position, the air guiding surface of the air deflector faces in a first direction in the first opening position, the air guiding surface faces in a second direction in the second opening position, one of the first direction and the second direction faces upwards, and the other one faces downwards.

According to a second aspect of an embodiment of the present utility model, there is provided an air conditioner including: the drive mechanism for an air conditioner air deflector according to any one of the above embodiments; the indoor unit comprises a shell and an air deflector, wherein the shell defines an air duct and is provided with an air outlet communicated with the air duct, the air deflector is movably arranged at the air outlet, and the driving mechanism is arranged on the shell and is in driving connection with the air deflector.

The embodiment of the disclosure provides a driving mechanism for an air conditioner air deflector, an air conditioner, and the following technical effects can be achieved:

when the first gear is meshed with the first tooth part and the second gear is meshed with the second tooth part, the first connecting rod and the second connecting rod can have different telescopic movement speeds, and the absolute value of the difference value of the first connecting rod and the second connecting rod is larger than the preset difference value. The first connecting rod and the second connecting rod are both movably connected with the air deflector, when the first connecting rod and the second connecting rod have different telescopic movement speeds and the speed difference is large, the air deflector can be turned over, so that the air deflector moves from a first opening position to a second opening position, and the air deflector can have an air guiding position corresponding to the first opening position and an air guiding position corresponding to the second opening position. And along with the movement stroke difference of the first connecting rod and the second connecting rod, the air deflector can have various air guiding positions, thereby realizing various different air outlet modes.

The utility model discloses a multiple wind-guiding position of aviation baffle is realized through the shape that sets up first connecting rod and second connecting rod, does not need to set up the second connecting rod among the correlation technique, does not also have the articulated of first connecting rod and second connecting rod to simple structure, reliability are high.

The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.

Drawings

One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which like reference numerals refer to similar elements, and in which:

FIG. 1 is a schematic view of a first view of a drive mechanism when one air deflector provided in an embodiment of the present disclosure is in a closed position;

FIG. 2 is a schematic view of a second view of the drive mechanism with one of the air deflectors provided in an embodiment of the present disclosure in a closed position;

FIG. 3 is a schematic view of an assembled structure of a first gear, a second gear, and a fourth gear when one air deflector provided in an embodiment of the present disclosure is in a closed position;

FIG. 4 is a schematic view of an assembled structure of a first gear, a second gear, and a fourth gear when one air deflector is in a closed position according to an embodiment of the present disclosure;

FIG. 5 is a schematic view of the drive mechanism from a first perspective when one of the air deflectors provided in the disclosed embodiments is in a first open position;

FIG. 6 is a schematic view of a second view of the drive mechanism with one of the air deflectors provided in an embodiment of the present disclosure in a first open position;

FIG. 7 is a schematic view of a first view of the drive mechanism with one of the air deflectors provided in an embodiment of the present disclosure in a second open position;

FIG. 8 is a schematic view of a second view of the drive mechanism with one air deflection plate in a second open position provided in an embodiment of the present disclosure;

FIG. 9 is a schematic diagram of a driving process of the air deflector by the first connecting rod according to the embodiment of the present disclosure;

FIG. 10 is a schematic diagram of a second linkage driving the air deflector according to an embodiment of the present disclosure;

FIG. 11 is a schematic illustration of a mating arrangement of a first link and a first gear provided by an embodiment of the present disclosure;

FIG. 12 is a schematic illustration of a mating arrangement of a second link and a second gear provided by an embodiment of the present disclosure;

fig. 13 is a schematic structural view of a first view of a case according to an embodiment of the present disclosure;

FIG. 14 is a cross-sectional view taken in the direction F-F of FIG. 13;

FIG. 15 is a schematic view of a second view of a case provided in an embodiment of the present disclosure;

FIG. 16 is a schematic view of a first sidewall provided by an embodiment of the present disclosure;

fig. 17 is a schematic structural view of a second sidewall provided in an embodiment of the present disclosure.

Reference numerals:

10. a first link; 101. a first precursor portion; 102. a first concave portion; 103. a second convex portion; 104. a first gear tooth; 105. a sliding shaft; 106. a first guide part; 20. a second link; 201. a second precursor section; 202. a first convex portion; 203. a second concave portion; 204. a second gear tooth; 205. a second guide part; 30. an air deflector; 301. an air guiding surface; 302. a protrusion; 303. a chute; 40. a power source; 401. a driving member; 402. a transmission member; 4021. a third gear; 4022. a fourth gear; 403. a transmission shaft; 50. a first gear; 501. a first radius variation section; 502. a first constant radius segment; 503. a third constant radius segment; 60. a second gear; 601. a second radius variation section; 602. a second constant radius segment; 603. a fourth constant radius segment; 70. a case body; 701. a first sidewall; 702. a second sidewall; 703. a first guide engaging portion; 704. a second guide engaging portion; 100. a housing; 1001. and an air outlet.

Detailed Description

So that the manner in which the features and techniques of the disclosed embodiments can be understood in more detail, a more particular description of the embodiments of the disclosure, briefly summarized below, may be had by reference to the appended drawings, which are not intended to be limiting of the embodiments of the disclosure. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may still be practiced without these details. In other instances, well-known structures and devices may be shown simplified in order to simplify the drawing.

The terms first, second and the like in the description and in the claims of the embodiments of the disclosure and in the above-described figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the presently disclosed embodiments. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.

In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are used primarily to better describe embodiments of the present disclosure and embodiments thereof and are not intended to limit the indicated device, element, or component to a particular orientation or to be constructed and operated in a particular orientation. Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the embodiments of the present disclosure will be understood by those of ordinary skill in the art in view of the specific circumstances.

In addition, the terms "disposed," "connected," "secured" and "affixed" are to be construed broadly. For example, "connected" may be in a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the embodiments of the present disclosure may be understood by those of ordinary skill in the art according to specific circumstances.

The term "plurality" means two or more, unless otherwise indicated.

The term "and/or" is an associative relationship that describes an object, meaning that there may be three relationships. For example, a and/or B, represent: a or B, or, A and B.

It should be noted that, without conflict, the embodiments of the present disclosure and features of the embodiments may be combined with each other.

As shown in connection with fig. 1-8, embodiments of the present disclosure provide a drive mechanism for an air conditioner air deflection 30.

The air conditioner comprises an indoor unit and an outdoor unit, wherein the indoor unit and the outdoor unit are connected through an online pipe, and circulation of a refrigerant between the indoor unit and the outdoor unit is achieved.

The indoor unit includes a housing 100, and the housing 100 defines an air duct and is provided with an air inlet and an air outlet 1001 communicating with the air duct. The air duct is internally provided with a heat exchanger and a fan. Under the drive of the fan, air enters from the air inlet, exchanges heat with the heat exchanger, and is blown out from the air outlet 1001.

The indoor unit further includes an air deflector 30, and the air deflector 30 is movably disposed at the air outlet 1001 for opening or closing the air outlet 1001.

The driving mechanism is in driving connection with the air deflector 30, and is used for driving the air deflector 30 to move relative to the air outlet 1001, so as to open or close the air outlet 1001.

As shown in fig. 1 and 2, the driving mechanism includes a first link 10, a second link 20, and a driving structure. The drive structure includes a first gear 50 and a second gear 60.

The first connecting rod 10 is configured to be movably connected with the air deflector 30 and perform telescopic motion along the length direction of the air duct, the first connecting rod 10 is provided with a first matching part, the first matching part is a first concave part 102, and the first concave part 102 is provided with first gear teeth 104; the second connecting rod 20 is configured to be movably connected with the air deflector 30 and perform telescopic movement along the length direction of the air duct, the second connecting rod 20 is provided with a second matching part, the second matching part is a first convex part 202, the first convex part 202 is provided with second gear teeth 204, the first gear 50 is meshed with the first gear teeth 104, so as to drive the first connecting rod 10 to perform telescopic movement along the length direction of the air duct, and the second gear 60 is meshed with the second gear teeth 204, so as to drive the second connecting rod 20 to perform telescopic movement along the length direction of the air duct; wherein, as shown in fig. 1 and 2, when the air deflector 30 is in the closed position, the first concave portion 102 corresponds to the first convex portion 202, so that the first link 10 and the second link 20 can have different movement speeds, and movement of the air deflector 30 is realized.

The surface of the first link 10 facing the first gear 50 is recessed to form a first concave portion 102, and the surface of the second link 20 facing the second gear 60 is projected toward the second gear 60 to form a first convex portion 202.

The first concave portion 102 is provided on the first link 10, the first convex portion 202 is provided on the second link 20, and when the damper 30 is in the closed position, the first concave portion 102 corresponds to the first convex portion 202, that is, the shapes of the first link 10 and the second link 20 are different. This enables the first link 10 and the second link 20 to have different telescopic movement speeds when the first gear 50 is engaged with the first concave portion 102 and the second gear 60 is engaged with the first convex portion 202. The first connecting rod 10 and the second connecting rod 20 are movably connected with the air deflector 30, and when the first connecting rod 10 and the second connecting rod 20 have different telescopic movement speeds, the air deflector 30 can be positioned at a plurality of different air guiding positions, so that a plurality of different air outlet modes are realized.

One of the first and second open positions has its air guiding surface facing downward and the other has its air guiding surface facing upward. The following description will be given by taking a first open position in which the air guide surface faces downward, and a second open position in which the air guide surface faces upward. The deflector 30 is openable to a first open position as shown in fig. 5 and 6 and is openable to a second open position as shown in fig. 7 and 8. Wherein, in the first open position, the air guiding surface 301 of the air guiding plate 30 faces downwards, so as to realize downward blowing of hot air; in the second open position, the air guiding surface 301 of the air guiding plate 30 faces upwards, so that cold air is blown upwards, and cold air is prevented from being blown directly.

Optionally, the first connecting rod 10 is further provided with a second protruding portion 103, i.e. a first tooth portion, the second protruding portion 103 and the first recess 102 are sequentially arranged along the direction that the first connecting rod 10 extends out of the air duct, i.e. the first recess 102 is located between the second protruding portion 103 and the air deflector 30, and the first protruding portion 202 is provided with first gear teeth 104. The second connecting rod 20 is further provided with a second concave part 203, namely a second tooth part, the second concave part 203 and the first convex part 202 are sequentially arranged along the direction that the second connecting rod 20 extends out of the air duct, namely the first convex part 202 is positioned between the second concave part 203 and the air deflector 30, and the second concave part 203 is provided with second gear teeth 204. Wherein the second protrusion 103 corresponds to the second recess 203 when the air deflector 30 is at the closed position, so that the first link 10 and the second link 20 can have different movement speeds when the first gear 50 is engaged with the second protrusion 103 and the second gear 60 is engaged with the second recess 203.

The surface of the first link 10 facing the first gear 50 protrudes toward the first gear 50 to form a second convex portion 103, and the surface of the second link 20 facing the second gear 60 is recessed to form a second concave portion 203.

As shown in fig. 1 and 2, when the air deflector 30 is in the closed position, the first concave portion 102 corresponds to the first convex portion 202, and the second convex portion 103 corresponds to the second concave portion 203, so that the first link 10 and the second link 20 have different shapes at the corresponding positions.

During the opening process of the air deflector 30, the first gear 50 is engaged with the first concave portion 102, the second gear 60 is engaged with the first convex portion 202, then the first gear 50 is engaged with the second convex portion 103, and the second gear 60 is engaged with the second concave portion 203. The first concave part 102, the first convex part 202, the second concave part 203 and the second convex part 103 are arranged, so that the first connecting rod 10 and the second connecting rod 20 have different shapes, when the first connecting rod 10 is meshed with the first gear 50 and the second connecting rod 20 is meshed with the second gear 60, the first connecting rod 10 and the second connecting rod 20 can have different movement speeds, the first connecting rod 10 and the second connecting rod 20 are movably connected with the air deflector 30, the differential movement of the first connecting rod 10 and the second connecting rod 20 can be realized, the air deflector 30 can have various air guiding positions, and the air conditioner can realize various air outlet modes.

The first concave portion 102 and the second convex portion 103 are both driven by the first gear 50, the distance between the first concave portion 102 and the rotational axis of the first gear 50 when the first concave portion 102 is meshed with the first gear 50 is greater than the distance between the second convex portion 103 and the rotational axis of the first gear 50 when the second convex portion 103 is meshed with the first gear 50, the radius of the first gear 50 where the first concave portion 102 is meshed with is greater than the radius of the first gear 50 where the second convex portion 103 is meshed with, and the movement speed of the first connecting rod 10 when the first concave portion 102 is meshed with the first gear 50 is greater than the movement speed of the first connecting rod 10 when the second convex portion 103 is meshed with the first gear 50 under the condition that the angular speeds of the first gear 50 are equal.

The first protrusion 202 and the second recess 203 are both driven by the second gear 60, the distance between the first protrusion 202 and the rotational axis of the second gear 60 when the first protrusion 202 is meshed with the second gear 60 is smaller than the distance between the second recess 203 and the rotational axis of the second gear 60 when the second recess 203 is meshed with the second gear 60, the radius of the second gear 60 where the first protrusion 202 is meshed with is smaller than the radius of the second gear 60 where the second recess 203 is meshed, and the movement speed of the second link 20 when the first protrusion 202 is meshed with the second gear 60 is smaller than the movement speed of the second link 20 when the second recess 203 is meshed with the second gear 60 when the angular speeds of the second gears 60 are equal.

In a specific embodiment, the movement speed of the first link 10 when the first concave portion 102 is engaged with the first gear 50 is greater than the movement speed of the second link 20 when the first convex portion 202 is engaged with the second gear 60, and the movement speed of the first link 10 when the second convex portion 103 is engaged with the first gear 50 is less than the movement speed of the second link 20 when the second concave portion 203 is engaged with the second gear 60, so that the wind deflector 30 can be turned in different directions.

Optionally, the first connecting rod 10 is further provided with a first precursor portion 101, the first concave portion 102 and the first precursor portion 101 are sequentially arranged along the direction that the first connecting rod 10 extends out of the air duct, that is, the first precursor portion 101 is located between the first concave portion 102 and the air deflector 30, and the first precursor portion 101 is provided with first gear teeth 104; the second connecting rod 20 is also provided with a second precursor part 201, the first convex part 202 and the second precursor part 201 are sequentially arranged along the direction that the second connecting rod 20 extends out of the air duct, namely the second precursor part 201 is positioned between the first convex part 202 and the air deflector 30, and the second precursor part 201 is provided with second gear teeth 204; wherein the first precursor portion 101 and the second precursor portion 201 correspond when the air deflector 30 is in the closed position.

The absolute value of the difference between the movement speed of the first link 10 when the first precursor 101 is engaged with the first gear 50 and the movement speed of the second link 20 when the second precursor 201 is engaged with the second gear 60 is smaller than the preset difference, that is, the movement speed of the first link 10 when the first precursor 101 is engaged with the first gear 50 and the movement speed of the second link 20 when the second precursor 201 is engaged with the second gear 60 are close to each other.

The air deflector is opened while passing through the extended position, the first open position and the second open position in sequence. In the extended position, the air guiding surface of the air guiding plate faces the air outlet.

When the movement speed of the first connecting rod 10 is equal to the movement speed of the second connecting rod 20 when the first precursor 101 is meshed with the first gear 50 and the movement speed of the second precursor 201 is meshed with the second gear 60, the air deflector 30 is pushed out towards the direction away from the air outlet 1001, and no overturning movement exists, so that the air deflector 30 can be prevented from overturning and interfering with the side wall of the air duct or the shell 100, and the air deflector reaches the extending position.

When the absolute value of the difference between the movement speed of the first link 10 when the first precursor 101 is meshed with the first gear 50 and the movement speed of the second link 20 when the second precursor 201 is meshed with the second gear 60 is greater than zero and less than the preset difference, the air deflector 30 is pushed out towards the direction away from the air outlet 1001 while turning over, and the air deflector 30 is pushed out towards the direction away from the air outlet 1001 while turning over, so that interference with the side wall of the air duct or with the housing 100 during movement of the air deflector 30 can be avoided, and the air deflector reaches the extended position.

The absolute value of the difference between the movement speed of the first connecting rod 10 when the first concave portion 102 is meshed with the first gear 50 and the movement speed of the second connecting rod 20 when the first convex portion 202 is meshed with the second gear 60 is larger than the preset difference, so that the difference between the movement speed of the first connecting rod 10 and the movement speed of the second connecting rod 20 when the first concave portion 102 is meshed with the first gear 50 and the movement speed of the first convex portion 202 is meshed with the second gear 60 is larger, the overturning of the air deflector 30 can be realized, and various air guiding positions of the air deflector 30 can be realized.

The absolute value of the difference between the movement speed of the first connecting rod 10 when the second convex part 103 is meshed with the first gear 50 and the movement speed of the second connecting rod 20 when the second concave part 203 is meshed with the second gear 60 is larger than the preset difference, so that the difference between the movement speed of the first connecting rod 10 and the movement speed of the second connecting rod 20 when the second convex part 103 is meshed with the first gear 50 and the movement speed of the second concave part 203 is meshed with the second gear 60 is larger, the turnover of the air deflector 30 can be realized, and various air guiding positions of the air deflector 30 can be realized.

For example, at least one of the first precursor portion 101 and the second precursor portion 201 is straight, and for example, both the first precursor portion 101 and the second precursor portion 201 are curved, but the curvature of the first precursor portion 101 is smaller than the curvature of the first concave portion 102, and the curvature of the second precursor portion 201 is smaller than the curvature of the first convex portion 202. The shapes of the first gear 50 and the second gear 60 are conveniently designed such that the absolute value of the difference between the movement speed of the first link 10 when the first precursor 101 is engaged with the first gear 50 and the movement speed of the second link 20 when the second precursor 201 is engaged with the second gear 60 is smaller than a preset difference.

Alternatively, the first gear 50 and the second gear 60 are both non-circular, so that the first gear 50 can be engaged with the first precursor portion 101, the first concave portion 102, and the second convex portion 103, and the second gear 60 can be engaged with the second precursor portion 201, the first convex portion 202, and the second concave portion 203.

As shown in fig. 3 and 4, the first gear 50 has different radii at the meshing positions with the first precursor 101, the first concave 102 and the second convex 103; the second gear 60 has different radii where it engages with the second precursor portion 201, the first protrusion 202, and the second recess 203.

Alternatively, the rotation axes of the first gear 50 and the second gear 60 coincide, so that the first gear 50 and the second gear 60 can be driven by one power source 40, and the structure of the driving mechanism can be simplified.

The first gear 50 and the second gear 60 rotate synchronously, on one hand, the first gear 50 and the second gear 60 can be conveniently driven by one power source 40, on the other hand, the first gear 50 and the second gear 60 have the same angular velocity, and the first gear 50 and the second gear 60 are designed to have different radiuses, so that the differential motion of the first connecting rod 10 and the second connecting rod 20 can be realized, and the structure of a driving structure is simplified.

Optionally, the first gear 50 is provided with a first radius changing section 501; the second gear 60 is provided with a second radius changing section 601, and when the first radius changing section 501 is meshed with the first gear tooth, the second radius changing section 601 is meshed with the second gear tooth, specifically, the first radius changing section 501 is matched with the first concave portion 102, and the second radius changing section 601 is matched with the first convex portion 202.

The radius of the first gear 50 in the first radius changing section 501 is opposite to the radius of the second gear 60 in the second radius changing section 601, so that the movement speeds of the first link and the second link are unequal, and the turning of the air deflector is realized.

Optionally, the radius of the first gear 50 in the first radius changing section 501 is firstly increased and then decreased, the radius of the corresponding first connecting rod is firstly increased and then decreased to form the first concave part 102, the radius of the second gear 60 in the second radius changing section 601 is firstly decreased and then increased, the radius of the corresponding second connecting rod is firstly decreased and then increased to form the first convex part 202, and the first radius changing section 501 is meshed with the first concave part 102 in the opening process of the air deflector, and the second radius changing section 601 is meshed with the first convex part 202.

If the radius of the first gear 50 is always increased, the rotation angle of the first link is increased under the driving of the first gear 50, and the first gear 50 and the second gear 60 are synchronously rotated, so that the rotation angle of the second gear 60 is increased, and under the condition that the movement stroke difference of the first link and the second link is constant, the second link needs a larger rotation angle, so that the second link is limited by the size of the inner space of the indoor unit.

Optionally, the first gear 50 is further provided with a first constant radius section 502, and in the opening process of the air deflector, the first constant radius section 502 and the first variable radius section 501 are sequentially meshed with the first gear teeth, the radius value of the first constant radius section 502 is constant, and the radius value in the first constant radius section 502 is equal to the initial radius value of the first variable radius section 501; the second gear 60 is further provided with a second radius constant section 602, the radius value of the second radius constant section 602 is constant, in the opening process of the air deflector, the second radius constant section 602 and the second radius change section 601 are sequentially meshed with the second gear teeth, and the radius value in the second radius constant section 602 is equal to the radius initial value of the second radius change section 601.

When the first radius constant segment 502 is engaged with the first gear tooth, the second radius constant segment 602 is engaged with the second gear tooth, and the absolute value of the difference between the movement speeds of the first link and the second link is smaller than the preset difference. Specifically, during the opening process of the air deflector, the first radius constant section 502 is engaged with the first precursor portion 101, and the second radius constant section 602 is engaged with the second precursor portion 201.

When the radius value of the first constant radius segment 502 is constant, the radius of the first precursor portion 101 is constant, so that the first constant radius segment 502 is meshed with the first precursor portion 101; when the radius value of the second radius constant section 602 is constant, the radius of the second precursor portion 201 is constant so that the second radius constant section 602 is engaged with the second precursor portion 201.

Optionally, the first gear 50 is further provided with a third radius constant section 503 for meshing with the second convex portion, during the opening process of the air deflector, the first radius changing section 501 and the third radius constant section 503 are sequentially meshed with the first gear teeth, and a radius value in the third radius constant section 503 is equal to a radius end point value of the first radius changing section 501; the second gear 60 is further provided with a fourth radius constant section 603 for meshing with the second concave portion, and in the opening process of the air deflector, the second radius change section 601 and the fourth radius constant section 603 are sequentially meshed with the second gear teeth, and the radius value in the fourth radius constant section 603 is equal to the radius end point value of the second radius change section 601.

When the third constant radius 503 is engaged with the first gear tooth, the fourth constant radius 603 is engaged with the second gear tooth. Specifically, the third constant radius 503 engages the second protrusion 103, and the fourth constant radius 603 engages the second recess 203.

When the radius value of the third radius constant section 503 is constant, the radius value of the corresponding second convex part 103 is constant, so that the third radius constant section 503 is meshed with the second convex part 103, and the design process of the first gear can be simplified; when the radius value of the fourth radius constant section 603 is constant, the radius value of the corresponding second recess 203 is constant, so that the fourth radius constant section 603 is engaged with the second recess 203, and the design process of the second gear can be simplified.

Optionally, the radius of the first gear at which it engages with the first tooth (i.e. the third constant radius segment) is smaller than the radius of the second gear at which it engages with the second tooth (the fourth constant radius segment) so that the third constant radius segment can engage with the second protrusion and the fourth constant radius segment can engage with the second recess.

Optionally, as shown in fig. 1 to 4, the driving structure further includes a power source 40, where the power source 40 is in driving connection with the first gear 50 and the second gear 60, the power source 40 includes a driving member 401 and a transmission member 402, the driving member 401 is in driving connection with the transmission member 402, and the transmission member 402 is matched with the first gear 50 and the second gear 60, so that the driving member 401 drives the first gear 50 and the second gear 60 to move synchronously through the transmission member 402.

The transmission member 402 is simultaneously matched with the first gear 50 and the second gear 60, so that the power source 40 can simultaneously drive the first gear 50 and the second gear 60 to move through the transmission member 402, and synchronous movement of the first gear 50 and the second gear 60 is realized.

Optionally, the transmission 402 includes a third gear 4021 and a fourth gear 4022.

The third gear 4021 is in driving connection with the driving member 401; the fourth gear 4022 is meshed with the third gear 4021 and is connected to both the first gear 50 and the second gear 60.

The driving member 401 includes motors, and the number of motors is one. The motor is in driving connection with the third gear 4021 to drive the third gear 4021 to rotate, the third gear 4021 is meshed with the fourth gear 4022 to drive the fourth gear 4022 to rotate, and the first gear 50 and the second gear 60 are connected with the fourth gear 4022, so that the fourth gear 4022 drives the first gear 50 and the second gear 60 to rotate.

It will be appreciated that the number of motors may be plural, as may the number of corresponding third and fourth gears.

The rotation axes of the first gear 50, the second gear 60 and the fourth gear 4022 are parallel or coincident, so that on one hand, the whole structure formed by the first gear 50, the second gear 60 and the fourth gear 4022 is compact, and the occupied space is small; on the other hand, it is convenient to realize that the fourth gear 4022 drives the first gear 50 and the second gear 60 to rotate synchronously.

In a specific embodiment, the driving mechanism further comprises a transmission shaft 403, the transmission shaft 403 passes through the first gear 50, the second gear 60 and the fourth gear 4022, the connection of the first gear 50, the second gear 60 and the fourth gear 4022 is achieved, and the transmission shaft 403 forms the rotation axis of the first gear 50, the second gear 60 and the fourth gear 4022.

Alternatively, as shown in fig. 4 and 5, the first gear 50 and the second gear 60 are located on opposite sides of the fourth gear 4022, or the first gear 50 and the second gear 60 may be located on the same side of the fourth gear 4022.

Alternatively, the first gear 50 and the second gear 60 are both eccentrically disposed on the power source 40, so that the first link 10 can have different movement speeds when the first gear 50 is engaged with the first precursor 101, the first recess 102, and the second recess 103, and the second link 20 can have different movement speeds when the second gear 60 is engaged with the second precursor 201, the first recess 202, and the second recess 203.

Alternatively, one of the first link 10 and the second link 20 is configured to be slidably connected to the air deflector 30, and the other is configured to be rotatably connected to the air deflector 30 through a rotation shaft, so that the first link 10 and the second link 20 cooperate to enable the air deflector 30 to have a first open position and a second open position.

One of the first connecting rod 10 and the air deflector 30 is provided with a protrusion 302, a sliding groove 303 is formed on the protrusion 302, the other is provided with a sliding shaft 105, and the sliding shaft 105 is positioned in the sliding groove 303 and is in sliding connection with the sliding groove 303 so as to realize sliding connection of the first connecting rod 10 and the air deflector 30. As shown in fig. 1, the first link 10 is provided with a slide shaft 105, the air guide surface 301 is provided with a protrusion 302, the protrusion 302 is provided with a slide groove 303, and the slide groove 303 extends in the width direction of the air guide surface 301.

The opening process of the air deflector 30 will be described below by taking the example that the first link 10 is slidably connected to the air deflector 30 and the second link 20 is rotatably connected to the air deflector 30.

In the opening process of the air deflector, the first connecting rod rotates around the circle center O1 under the driving of the first gear, and the second connecting rod rotates around the circle center O2 under the driving of the second gear.

In the opening process of the air deflector 30, the motor rotates in the forward direction to drive the third gear 4021 to rotate, the third gear 4021 drives the fourth gear 4022 to rotate, and the fourth gear 4022 drives the first gear 50 and the second gear 60 to synchronously rotate. The first radius constant segment is meshed with the first gear teeth 104 on the first precursor 101, the second radius constant segment is meshed with the second gear teeth 204 on the second precursor 201, the extending speed of the first connecting rod 10 is close to or equal to that of the second connecting rod 20, the air deflector 30 is pushed outwards or turned while being pushed out, and the air deflector reaches the extending position. Subsequently, the first radius changing section is meshed with the first gear teeth 104 on the first concave part 102, the second radius constant section is meshed with the second gear teeth 204 on the first convex part 202, the movement speed of the first connecting rod 10 is greater than that of the second connecting rod 20, the air deflector 30 turns downwards around the rotating shaft to reach a first open position, and the air guiding surface 301 faces downwards; subsequently, the third radius constant segment is engaged with the first gear teeth 104 on the second convex portion 103, the fourth radius constant segment is engaged with the second gear teeth 204 on the second concave portion 203, the movement speed of the first link 10 is smaller than the movement speed of the second link 20, the air deflector 30 is turned upwards around the rotation axis, the second open position is reached, and the air guiding surface 301 is turned upwards.

The telescopic motion track of the first connecting rod and/or the second connecting rod is nonlinear. For example, the telescopic movement track of the first connecting rod and/or the second connecting rod is arc-shaped, and the arc-shaped movement track can simplify the design of the first gear, the second gear, the first connecting rod and the second connecting rod. For another example, the movement trace of the first link and/or the second link is a broken line shape.

As shown in fig. 13 to 17, the driving mechanism further includes a guide member, and the guide member is provided with a guide matching portion matching with the guide portion, so as to guide the telescopic movement of the first link and/or the second link, and avoid the deviation of the first link and/or the second link during the movement.

One of the guide part and the guide matching part is a guide rail, the other is a guide groove, and the guide rail is arranged in the guide groove and can slide relative to the guide groove.

Optionally, the guide comprises a box 70, at least part of the first and second links being located within the box 70 and being capable of reciprocating between a position extending out of the box 70 and a position retracting into the box 70 to effect telescopic movement of the first and second links. The guide engaging portion is provided on the inner wall surface of the case 70, and corresponds to the guide engaging portion.

The first gear, the second gear, the third gear and the fourth gear are positioned in the box body 70, and the motor is positioned outside the box body 70.

Optionally, the box 70 includes a first side wall 701 and a second side wall 702; the first side wall 701 is disposed opposite to the second side wall 702, and the first side wall 701 and the second side wall 702 are disposed in sequence along a direction perpendicular to a telescopic movement direction of the first link or the second link. The first link and the second link are arranged in sequence in a direction from the first side wall 701 to the second side wall 702, i.e. the first link is arranged close to the first side wall 701 and the second link is arranged close to the second side wall 702.

The guide portion includes a first guide portion 106 and a second guide portion 205. The first guide part 106 is arranged on the first connecting rod; the second guide 205 is provided on the second link.

The guide fitting portion includes a first guide fitting portion 703 and a second guide fitting portion 704. The first guiding and matching part 703 is arranged on the inner wall surface of the first side wall 701 and is used for matching with the first guiding part 106 to guide the first connecting rod to do telescopic movement; the second guiding and matching part 704 is disposed on the inner wall surface of the second sidewall 702 and is used for matching with the second guiding part 205 to guide the second link rod to perform telescopic movement.

One of the first guide portion 106 and the first guide mating portion 703 is a first guide rail, and the other is a first guide groove, and the first guide rail is located in the first guide groove and can slide relative to the first guide groove so as to realize telescopic movement of the first connecting rod; one of the second guide portion 205 and the second guide mating portion 704 is a second guide rail, and the other is a second guide groove, and the second guide rail is located in the second guide groove and can slide relative to the second guide groove to realize telescopic movement of the second link.

It is understood that the telescopic motion path of the first link and/or the second link may also be linear.

As shown in fig. 9 and 10, the first link is rotatably connected to the air deflector, and the second link is slidably connected to the air deflector. The deflector is opened from a closed position to a first open position: the first gear drives the first connecting rod to rotate by an arc length L11 or a rotation angle theta 11 around the circle center O1 of the first arc Y1; the second gear pushes the second connecting rod to rotate around the circle center O2 of the second circular arc Y2 by an arc length L21 or a rotation angle theta 21. The deflector moves from a first open position to a second open position: the first gear pushes the first connecting rod to rotate around the center O1 of the second arc Y1 by an arc length L12 or a rotation angle theta 12; the second gear pushes the second connecting rod 2 to rotate around the circle center O2 of the second circular arc Y2 by an arc length L22 or a rotation angle theta 22. Wherein X1, X2 and X3 are respectively the hinge points of the first connecting rod and the air deflector at the closed position, the first open position and the second open position, and X4, X5 and X6 are respectively the sliding connection points of the second connecting rod and the air deflector at the closed position, the first open position and the second open position.

The first gear is arranged at the closing position and is tangent to the section curves of the first connecting rod, the second gear and the second connecting rod respectively; the transmission ratio of the first gear to the first connecting rod is m, the center distance is a, the transmission ratio of the second gear to the second connecting rod is n, and the center distance is b. Analysis from the rotation angle of the first and second links: realizing the first open position and the second open position, as shown in fig. 11 and 12, the motor needs to be rotated by 3 angles: α1, α2, α3.

In the α1 range: the deflector moves from the closed position to the extended position, the first constant radius segment engages the first precursor portion, and the second constant radius segment engages the second precursor portion. Because the air deflector is an outward turning guide plate, if the air deflector rotates directly, the air deflector can interfere with the air duct frame, so that the air deflector needs to extend a certain distance to rotate again, or rotate while extending, and the air deflector extends and rotates simultaneously by adjusting the transmission ratio m and n without interfering with the air duct frame; in the case, the same initial radius of the first gear and the second gear is designed, and at the moment, the first connecting rod and the second connecting rod respectively rotate along respective circle centers and simultaneously extend out along the horizontal direction to be close to each other, and the air deflector extends out and overturns without interference of the air duct frame;

in the α2 range: the first radius changing section is engaged with the first concave section and the second radius changing section is engaged with the first convex section. After the air deflector extends and rotates for a certain distance, the first connecting rod and the second connecting rod can perform larger differential motion, and at the moment, the first connecting rod extends slowly, and the second connecting rod extends quickly, so that the air deflector extends and turns to a first open position within an angle alpha 2, namely, the air deflector moves from the extended position to the first open position;

In the α3 range: the third constant radius segment engages the second protrusion and the fourth constant radius segment engages the second recess. The air deflector moves from the first open position to the second open position, and the first connecting rod and the second connecting rod also need to perform larger differential motion, and at the moment, the first connecting rod stretches out faster, and the second connecting rod stretches out slower, so that the first connecting rod stretches out and turns to the second open position within an angle alpha 3.

L11<L21，L12>L22 and L11 are similar to L12, and the difference between L21 and L22 is larger. For example, l12=1.1χl11; l21=1.5×l11; l22=0.5×l11, and the diameters of the first gear and the second gear are controlled to beIn the range of from +.>First reduce to +.>Then increase to +.>The straight warp of the second gear is +.>First increase to +.>Then reduce to +.>

The diameters of the first gear and the second gear are controlled to beThe gear strength and stability are improved; controlled at->In the meantime, in order to reduce the space occupied by the driving mechanism, the larger the diameter is, the larger the transmission torque is required.

The motor drives the first gear and the second gear to rotate for 3 angles (alpha 1, alpha 2 and alpha 3), and corresponding transmission parameters are as follows:

α1 range: the radius R11 of the first gear is a fixed value, the radius R11 of the first link is a fixed value, the transmission ratio of the first gear and the first link is m11, the radius R21 of the second gear is a fixed value, the radius R21 of the second link is a fixed value, and the transmission ratio of the second gear and the second link is n21, where r11=r21, and R11 > R21 (may be R11R 21). α2 range: the angle α21 is set to divide α2 (second stage) into a first sub-stage and a second sub-stage. The radius of the first gear is a variable value, the radius of the first connecting rod is changed along with the first gear, the radius of the first gear is firstly reduced from r11 to r12 in the angle alpha 1 to alpha 21, the transmission ratio of the first gear and the first connecting rod is a function m12, the radius of the first gear is increased from r12 to r13 in the angle alpha 21 to alpha 2, the transmission ratio of the first gear and the first connecting rod is a function m13, the radius of the second gear is a variable value, the radius of the second connecting rod is changed along with the second gear, the radius of the second gear is firstly increased from r21 to r22 in the angle alpha 1 to alpha 21, the transmission ratio of the second gear and the second connecting rod is a function n22, the transmission ratio of the second gear is reduced from r22 to r23 in the angle alpha 21 to alpha 2, and the transmission ratio of the second gear and the second connecting rod is a function n23. Since L11< L21, r12< r22; since L12> L22, r13> r23.α3 range: the radius R13 of the first gear is a fixed value, the radius R13 of the first connecting rod is a fixed value, the transmission ratio of the first gear to the first connecting rod is m14, the radius R23 of the second gear is a fixed value, the radius R23 of the second connecting rod is a fixed value, and the transmission ratio of the second gear to the second connecting rod is n24.

The node curve polar function equation of the first gear is:

the node curve polar function equation of the first connecting rod is:

the rotation angle θ1 of each stage of the first link is:

the pitch curve polar function equation of the second gear is:

the node curve polar function equation of the second connecting rod is:

the rotation angle theta 2 of each stage of the second connecting rod is as follows:

an embodiment of a second aspect of the present application provides an air conditioner, including: the driving mechanism for an air conditioner air deflector 30 and the indoor unit according to any one of the above embodiments, wherein the indoor unit includes a housing 100 and the air deflector 30, the housing 100 defines an air duct and is provided with an air outlet 1001 in communication with the air duct, and the driving mechanism is provided in the housing 100 and is in driving connection with the air deflector 30.

The air conditioner provided in the embodiment of the second aspect of the present application, because of including the driving mechanism for the air conditioner air deflector 30 according to any one of the above embodiments, has all the advantages of the driving mechanism for the air conditioner air deflector 30 according to any one of the above embodiments, and will not be described in detail herein.

The above description and the drawings illustrate embodiments of the disclosure sufficiently to enable those skilled in the art to practice them. Other embodiments may include structural and other modifications. The embodiments represent only possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in, or substituted for, those of others. The embodiments of the present disclosure are not limited to the structures that have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (10)

1. The driving mechanism for the air deflector of the air conditioner is characterized in that the indoor unit of the air conditioner comprises a shell and an air deflector, wherein the shell defines an air duct and is provided with an air outlet communicated with the air duct, and the air deflector is movably arranged at the air outlet; the driving mechanism includes:

the first connecting rod is movably connected with the air deflector and performs telescopic motion along the length direction of the air duct, a first tooth part is arranged on the first connecting rod, and first gear teeth are arranged on the first tooth part;

the second connecting rod is movably connected with the air deflector and performs telescopic motion along the length direction of the air duct, a second tooth part is arranged on the second connecting rod, and second gear teeth are arranged on the second tooth part;

the first gear is used for being meshed with the first gear teeth so as to drive the first connecting rod to do telescopic motion along the length direction of the air duct;

the second gear is used for being meshed with the second gear teeth so as to drive the second connecting rod to do telescopic motion along the length direction of the air duct;

the first gear and/or the second gear are/is non-circular, when the first gear is meshed with the first tooth part, the second gear is meshed with the second tooth part, the absolute value of the difference value of the extending speeds of the first connecting rod and the second connecting rod is larger than the preset difference value, the air deflector moves between a first opening position and a second opening position, the air guiding surface of the air deflector faces in a first direction in the first opening position, the air guiding surface faces in a second direction in the second opening position, one of the first direction and the second direction faces upwards, and the other one faces downwards.

2. The driving mechanism for an air conditioner air deflector according to claim 1, wherein,

one of the first connecting rod and the second connecting rod is in sliding connection with the air deflector, the other of the first connecting rod and the second connecting rod is in rotary connection with the air deflector through a rotary shaft, and when the first gear is meshed with the first tooth part and the second gear is meshed with the second tooth part, the air deflector rotates around the rotary shaft to move from the first opening position to the second opening position.

3. The driving mechanism for an air conditioner air deflector according to claim 1, wherein,

the radius of the first gear at the meshing position with the first tooth part is a fixed value.

4. The driving mechanism for an air conditioner air deflector according to claim 1, wherein,

the radius of the second gear, which is used for being meshed with the second tooth part, is a fixed value.

5. The driving mechanism for an air conditioner air deflector according to claim 1, wherein,

the radius of the first gear at which the first gear is engaged with the first tooth is smaller than the radius of the second gear at which the second gear is engaged with the second tooth.

6. The driving mechanism for an air conditioner air deflector according to claim 1, wherein,

the rotational axes of the first gear and the second gear coincide.

7. The driving mechanism for an air conditioner air deflector according to claim 1, wherein,

the first gear and the second gear rotate synchronously.

8. The drive mechanism for an air conditioner air deflector of any one of claims 1 to 6, further comprising:

the power source is in homogeneous driving connection with the first gear and the second gear, the power source comprises a driving piece and a transmission piece, the driving piece is in driving connection with the transmission piece, and the transmission piece is matched with the first gear and the second gear, so that the driving piece drives the first gear and the second gear to synchronously move through the transmission piece.

9. The drive mechanism for an air conditioner air deflector of claim 7, wherein the transmission member comprises:

the third gear is in driving connection with the driving piece;

the fourth gear is meshed with the third gear and is connected with the first gear and the second gear;

wherein the rotation axes of the first gear, the second gear and the fourth gear are parallel or coincident.

10. An air conditioner, comprising:

the drive mechanism for an air conditioner air deflector of any one of claims 1 to 9;

the indoor unit comprises a shell and an air deflector, wherein the shell defines an air duct and is provided with an air outlet communicated with the air duct, the air deflector is movably arranged at the air outlet, and the driving mechanism is arranged on the shell and is in driving connection with the air deflector.