CN115111761A - Gear box and air conditioner indoor unit - Google Patents

Abstract

The application relates to the technical field of air conditioner air guide, and discloses a gear box. This gear box includes: the motor is a bidirectional driving motor; the gear set comprises a main gear, a first driven gear and a second driven gear, the main gear is in driving connection with the motor and comprises a first tooth part and a second tooth part, the first tooth part is used for being meshed with the first driven gear, and the second tooth part is used for being meshed with the second driven gear; and a housing for securing the motor and the gear set; the first driven gear and the second driven gear are used for being meshed with racks arranged on the air deflector to drive the air deflector to rotate. The gear box can solve the problem that the structure of the existing gear mechanism is complex. The application also discloses an air conditioner indoor unit.

Description

Gear box and air conditioner indoor unit

Technical Field

The application relates to the technical field of air guide of air conditioners, for example to a gear box, machine in the air conditioner including this gear box.

Background

The air conditioner is an indispensable part of people in modern life, can provide suitable comfortable living environment for people, can be divided into a vertical air conditioner and a wall-mounted air conditioner according to different installation modes of the air conditioner, and the air outlet direction of the air conditioner is controlled by the wall-mounted air conditioner through an air deflector.

At present, in order to realize air supply at a larger angle, an existing wall-mounted air conditioner controls an air deflector to be opened upwards, opened downwards and closed downwards through a gear mechanism arranged on an indoor unit of the air conditioner, so that the air deflector can reach a set angle.

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:

the existing gear mechanism is complex in structure and easy to break down, and the connection mode of the gear mechanism and the air deflector is complex.

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 to be a prelude to the more detailed description that is presented later.

The embodiment of the disclosure provides a gear box and an air conditioner indoor unit, and aims to solve the problem that an existing gear mechanism is complex in structure.

In some embodiments, the gear box comprises: the device comprises a motor, a gear set and a shell, wherein the motor is a bidirectional driving motor; the gear set comprises a main gear, a first driven gear and a second driven gear, the main gear is in driving connection with the motor and comprises a first tooth part and a second tooth part, the first tooth part is used for being meshed with the first driven gear, and the second tooth part is used for being meshed with the second driven gear; the shell is used for fixing the motor and the gear set; the first driven gear and the second driven gear are used for being meshed with a rack arranged on the air deflector to drive the air deflector to rotate.

Optionally, the main gear has a first circumferential surface and a second circumferential surface,

the first tooth part is arranged on the first circumferential surface, and the second tooth part is arranged on the second circumferential surface.

Optionally, a circumferential surface portion of the first circumferential surface on which the first teeth are provided is less than or equal to half of a total circumferential surface of the first circumferential surface, and a circumferential surface portion of the second circumferential surface on which the second teeth are provided is less than or equal to half of a total circumferential surface of the second circumferential surface.

Optionally, the main gear further comprises a common tooth portion provided at the first circumferential surface and the second circumferential surface, the common tooth portion comprising a partial tooth portion of the first tooth portion and a partial tooth portion of the second tooth portion.

Alternatively, the first driven gear includes a third peripheral surface provided with a first driven toothed portion, and a fourth peripheral surface provided with a non-toothed portion.

Alternatively, the second driven gear includes a sixth circumferential surface provided with the second driven tooth portion, and a fifth circumferential surface provided with the toothless portion.

Optionally, a thickness of the first driven tooth portion is equal to a thickness of the first tooth portion of the main gear.

Optionally, a thickness of the second driven tooth portion is equal to a thickness of the second tooth portion of the main gear.

Optionally, the first driven gear is provided with a first rotating shaft which penetrates through two side faces of the first driven gear and extends outwards; the second driven gear is provided with a second rotating shaft which penetrates through two side faces of the second driven gear and extends outwards, wherein two ends of the first rotating shaft and two ends of the second rotating shaft are fixed inside the shell.

In some embodiments, the air conditioner indoor unit comprises the gear box and an air deflector, the air deflector is provided with a rack connecting plate, and the first driven gear and the second driven gear of the gear box are meshed with the rack on the rack connecting plate.

The gear box and the air-conditioning indoor unit provided by the embodiment of the disclosure can realize the following technical effects:

the gear box of this application embodiment includes motor, gear train and casing, and the gear box is fixed in the air conditioner indoor set, and motor and gear train are fixed in the casing of gear box, and the aviation baffle is in the motion process, and the position of gear box does not change. The motor is a bidirectional driving motor, namely the motor can drive the main gear to rotate along the first direction and the second direction. The gear set comprises a main gear, a first driven gear and a second driven gear, the main gear comprises a first tooth part and a second tooth part, wherein the first tooth part can be meshed with the first driven gear, and the second tooth part can be meshed with the second driven gear. When the air deflector is closed, when the motor drives the main gear to rotate along the first direction, the first tooth part of the main gear is meshed with the first driven gear, so that the first driven gear rotates along the second direction, and the first driven gear is meshed with the rack arranged on the air deflector, so that the air deflector is driven to be meshed downwards; when the air deflector is changed from a downward opening state to a closing state, the motor drives the main gear to rotate along the second direction, the first tooth part of the main gear is meshed with the first driven gear, the first driven gear rotates along the first direction, and the first driven gear is meshed with the rack arranged on the air deflector to drive the air deflector to close. Under the condition that the air deflector is closed, when the motor drives the main gear to rotate along the second direction, the second tooth part of the main gear is meshed with the second driven gear, and the second driven gear drives the air deflector to be opened upwards through meshing with the rack; when the motor drives the main gear to rotate along the first direction, the air deflector is changed from an upward opening state to a closing state. In the embodiment of the application, the main gear is driven by the motor along the first direction or the second direction to enable the air deflector to rotate, namely, the gear box is matched with the rack arranged on the air deflector, so that the air deflector can be opened upwards, opened downwards or closed.

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 in the accompanying drawings, which correspond to the accompanying drawings and not in a limiting sense, in which elements having the same reference numeral designations represent like elements, and in which:

FIG. 1 is a schematic view of a portion of a gear box provided in an embodiment of the present disclosure;

fig. 2 is a schematic structural view of a main gear of a gear box provided by an embodiment of the present disclosure;

FIG. 3 is a schematic structural view of a housing of a gear box provided in an embodiment of the present disclosure;

FIG. 4 is a schematic structural view of a first housing of a gear box provided in an embodiment of the present disclosure;

FIG. 5 is a schematic structural view of a second housing of the gear box provided by the embodiment of the present disclosure;

fig. 6 is a schematic partial structural view of an air deflection plate provided in an embodiment of the present disclosure;

FIG. 7 is a schematic structural view of a tie plate provided in an embodiment of the present disclosure;

FIG. 8 is a schematic structural view of one side of a rack bar attachment plate provided by an embodiment of the present disclosure;

FIG. 9 is a schematic structural view of the other side of the tie bar provided by the disclosed embodiment;

FIG. 10 is an overall schematic view of a drive assembly for a wind deflector according to embodiments of the present disclosure;

FIG. 11 is a schematic structural view of a drive assembly for a deflector in a closed position according to an embodiment of the present disclosure;

fig. 12 is a schematic view of a drive assembly for an air deflection plate according to an embodiment of the present disclosure in a downward opening state of the air deflection plate;

fig. 13 is a schematic structural view of a drive assembly for an air deflection plate in an upwardly open position according to an embodiment of the present disclosure;

fig. 14 is a schematic structural diagram of an air conditioning indoor unit according to an embodiment of the present disclosure.

Reference numerals are as follows:

10: a motor; 20: a gear set; 21: a main gear; 211: a first tooth portion; 212: a second tooth portion; 213: a common tooth portion; 22: a first driven gear; 221: a first rotating shaft; 222: a first driven tooth portion; 23: a second driven gear; 231: a second rotating shaft; 232: a second driven tooth portion; 30: a rack connecting plate; 31: a rack portion; 311: a first rack; 312: a second rack; 313: a first groove; 314: a second groove; 32: a rail portion; 321: a first track; 322: a second track; 323: a third track; 324: a fourth track; 33: a slider; 331: a first slider; 332: a second slider; 333: a third slider; 34: a connecting groove; 35: a connecting shaft; 40: an air deflector; 41: an air deflector body; 42: a connecting portion; 421: a base; 422: an installation part; 50: a housing; 51: a first housing; 511: a first hole groove; 512: a second bore groove; 52: a second housing; 521: a third hole groove; 522: a fourth hole groove; 523: a first slideway; 5231: a first end of a first slideway; 5232: a second end of the first slideway; 524: a second slideway; 5241: a first end of a second slide; 5242: a second end of the second slideway; 525: a third slideway; 5251: a first end of a third slide; 5252: a second end of the third slide.

Detailed Description

So that the manner in which the features and elements of the disclosed embodiments can be understood in detail, a more particular description of the disclosed embodiments, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. 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 be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.

The terms "first," "second," and the like in the description and in the claims, and the above-described drawings of embodiments of the present disclosure, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the present disclosure described herein may be made. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

In the embodiments of the present disclosure, terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the disclosed embodiments and their examples and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation. Moreover, some of the above terms may be used in other meanings besides orientation or positional relationship, for example, the term "upper" may also be used in some cases to indicate a certain attaching or connecting relationship. The specific meanings of these terms in the embodiments of the present disclosure can be understood by those of ordinary skill in the art as appropriate.

In addition, the terms "disposed," "connected," and "secured" are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can 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. Specific meanings of the above terms in the embodiments of the present disclosure can be understood by those of ordinary skill in the art according to specific situations.

The term "plurality" means two or more unless otherwise specified.

In the embodiment of the present disclosure, the character "/" indicates that the preceding and following objects are in an or relationship. For example, A/B represents: a or B.

The term "and/or" is an associative relationship that describes objects, meaning that three relationships may exist. For example, a and/or B, represents: a or B, or A and B.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other.

The present application provides a gear box as shown in fig. 1 to 5.

In some embodiments, the gear box comprises: the device comprises a motor 10, a gear set 20 and a shell 50, wherein the motor 10 is a bidirectional driving motor 10; the gear set 20 comprises a main gear 21, a first driven gear 22 and a second driven gear 23, the main gear 21 is in driving connection with the motor 10, the main gear 21 comprises a first tooth portion 211 and a second tooth portion 212, the first tooth portion 211 is used for being meshed with the first driven gear 22, and the second tooth portion 212 is used for being meshed with the second driven gear 23; the housing 50 is used for fixing the motor 10 and the gear set 20; the first driven gear 22 and the second driven gear 23 are used for being meshed with a rack arranged on the air deflector 40 to drive the air deflector 40 to rotate.

The gear box of this application embodiment includes motor 10, gear train 20 and casing 50, and the gear box is fixed in the air conditioner indoor set, and motor 10 and gear train 20 are fixed in the casing 50 of gear box, and aviation baffle 40 is in the motion process, and the position of gear box does not change. The motor 10 is a bi-directional drive motor 10, i.e. the motor 10 may drive the main gear 21 to rotate in a first direction and a second direction. The gear set 20 includes a main gear 21, a first driven gear 22, and a second driven gear 23, and the main gear 21 includes a first tooth portion 211 and a second tooth portion 212, wherein the first tooth portion 211 is engageable with the first driven gear 22, and the second tooth portion 212 is engageable with the second driven gear 23. When the air deflector 40 is closed, when the motor 10 drives the main gear 21 to rotate in the first direction, the first tooth portion 211 of the main gear 21 is engaged with the first driven gear 22, so that the first driven gear 22 rotates in the second direction, and the first driven gear 22 is engaged with the rack arranged on the air deflector 40, thereby driving the air deflector 40 to be engaged downward; when the air deflector 40 is turned from the downward open state to the closed state, the motor 10 drives the main gear 21 to rotate along the second direction, the first tooth portion 211 of the main gear 21 is engaged with the first driven gear 22, the first driven gear 22 rotates along the first direction, and the first driven gear 22 is engaged with the rack disposed on the air deflector 40 to drive the air deflector 40 to close. It can be understood that, when the motor 10 drives the main gear 21 to rotate in the second direction with the air deflector 40 being closed, the second tooth portion 212 of the main gear 21 is engaged with the second driven gear 23, and the second driven gear 23 drives the air deflector 40 to open upwards through engagement with the rack; when the main gear 21 is driven by the motor 10 to rotate in the first direction, the air deflector 40 is changed from the upward open state back to the closed state. In the embodiment of the present application, the main gear 21 is driven by the motor 10 along the first direction or the second direction to rotate the air deflector 40, that is, the gear box is engaged with the rack disposed on the air deflector 40, so that the air deflector 40 can be opened upwards, opened downwards or closed.

Alternatively, the main gear 21 has a first circumferential surface and a second circumferential surface, wherein the first teeth 211 are provided on the first circumferential surface and the second teeth 212 are provided on the second circumferential surface.

In the embodiment of the present application, as shown in fig. 1, the motor 10 is connected to the main gear 21 through a driving shaft, and the first peripheral surface of the main gear 21, the third peripheral surface of the first driven gear 22, and the fifth peripheral surface of the second driven gear 23 are defined as peripheral surfaces on a side far from the motor 10, and the second peripheral surface of the main gear 21, the fourth peripheral surface of the first driven gear 22, and the sixth peripheral surface of the second driven gear 23 are defined as peripheral surfaces on a side near to the motor 10.

As shown in fig. 1 and 2, two teeth of the main gear 21 are disposed on different peripheral surfaces of the main gear 21, that is, a first peripheral surface and a second peripheral surface, a first tooth 211 of the main gear 21 is disposed on the first peripheral surface, and a second tooth 212 of the main gear 21 is disposed on the second peripheral surface, so that the first tooth 211 can be engaged with the first driven gear 22, and the second tooth 212 can be engaged with the second driven gear 23, and the two teeth of the main gear 21 and the two driven gears cooperate with each other to drive the air deflector 40 to be opened upward, opened downward, or closed.

Alternatively, the circumferential surface portion of the first circumferential surface in which the first tooth portions 211 are provided is less than or equal to half of the total circumferential surface of the first circumferential surface, and the circumferential surface portion of the second circumferential surface in which the second tooth portions 212 are provided is less than or equal to half of the total circumferential surface of the second circumferential surface.

Alternatively, the circumferential surface portion of the first circumferential surface in which the first tooth portion 211 is provided is less than half of the total circumferential surface of the first circumferential surface, and the circumferential surface portion of the second circumferential surface in which the second tooth portion 212 is provided is less than half of the total circumferential surface of the second circumferential surface. That is, the arc length corresponding to the first tooth portion 211 of the first peripheral surface is smaller than the arc length corresponding to the non-tooth portion of the first peripheral surface, and the arc length corresponding to the second tooth portion 212 of the second peripheral surface is smaller than the arc length corresponding to the non-tooth portion of the second peripheral surface. When the circumferential surface portion of the first tooth portion 211 of the first circumferential surface is greater than a half of the total circumferential surface of the first circumferential surface, and the circumferential surface portion of the second tooth portion 212 of the second circumferential surface is greater than a half of the total circumferential surface of the second circumferential surface, in the process that the main gear 21 rotates along the first direction, the first driven gear 22 is not meshed to the end of the first tooth portion 211, the second driven gear 23 is meshed with the second tooth portion 212, and the first tooth portion 211 and the second tooth portion 212 of the main gear 21 are both subjected to the meshing force, so that the main gear 21 cannot rotate, and the gear set 20 cannot be meshed with the rack on the air deflector 40 to drive the air deflector 40 to rotate.

Alternatively, the circumferential surface portion of the first circumferential surface in which the first tooth portions 211 are provided may also be equal to half of the total circumferential surface of the first circumferential surface, and the circumferential surface portion of the second circumferential surface in which the second tooth portions 212 are provided may also be equal to half of the total circumferential surface of the second circumferential surface. The total circumferential surface of the first circumferential surface and the total circumferential surface of the second circumferential surface are both circumferential surfaces of the main gear, i.e. the circumferential surface portion of the first tooth portion 211 is equal to the circumferential surface portion of the second tooth portion 212, as shown in fig. 1. The upward opening angle and the downward opening angle of the air deflector 40 are related to the circumferential surface of the first tooth portion 211 and the circumferential surface of the second tooth portion 212 of the main gear 21, the length of the rack, and the arc of the rack, and when the length and the arc of the rack provided on the air deflector 40 satisfy the engagement requirement of the first driven gear 22 or the second driven gear 23, the first tooth portion 211 and the second tooth portion 212 of the main gear 21 satisfy the arrangement as shown in fig. 1, and the upward opening angle and the downward opening angle of the air deflector 40 are equal.

Optionally, the main gear 21 further comprises a common tooth part 213 provided at the first and second circumferential surfaces, the common tooth part 213 comprising a partial tooth part of the first tooth part 211 and a partial tooth part of the second tooth part 212.

As shown in fig. 2, the peripheral surface of the main gear 21 includes a first peripheral surface provided with the first teeth 211 and a second peripheral surface provided with the second teeth 212, and the main gear 21 is further provided with the co-teeth 213, and the co-teeth 213 are provided on the first peripheral surface and the second peripheral surface, that is, the co-teeth 213 are portions where the teeth are provided on both the first peripheral surface and the second peripheral surface. As shown in fig. 1, when the air deflector 40 is closed, one end of the first tooth portion 211 of the co-tooth portion 213 is engaged with the first driven gear 22, and one end of the second tooth portion 212 of the co-tooth portion 213 is engaged with the second driven gear 23, so that the main gear 21 is prevented from idling due to the main gear 21 being unable to engage with the two driven gears, and the rack connecting plate 30 is unable to drive the air deflector 40 to rotate.

Alternatively, the first driven gear 22 includes a third circumferential surface provided with the first driven tooth portion 222, and a fourth circumferential surface provided with a non-tooth portion. That is, the first driven gear 22 includes a toothed portion and a non-toothed portion, the toothed portion is a first driven toothed portion 222, the first driven toothed portion 222 is provided on the third peripheral surface of the first driven gear 22, and the non-toothed portion is provided on the fourth peripheral surface of the first driven gear 22. In the process that the air deflector 40 is changed from the closed state to the downward opening state and the air deflector 40 is changed from the downward opening state to the closed state, the first tooth portion 211 of the main gear 21 is meshed with the first driven tooth portion 222. In the embodiment of the present application, the first tooth portion 211 of the main gear 21 is meshed with the first driven gear 22, that is, the first tooth portion 211 of the main gear 21 is meshed with the first driven tooth portion 222.

Alternatively, the second driven gear 23 includes a sixth circumferential surface provided with the second driven teeth portion 232, and a fifth circumferential surface provided with a non-toothed portion. That is, the second driven gear 23 includes a toothed portion and a non-toothed portion, the toothed portion is the second driven toothed portion 232, the second driven toothed portion 232 is provided on the sixth peripheral surface of the second driven gear 23, and the non-toothed portion is provided on the fifth peripheral surface of the second driven gear 23. In the process of the air guiding plate 40 changing from the closed state to the upward opening state and the air guiding plate 40 returning from the upward opening state to the closed state, the second tooth portion 212 of the main gear 21 meshes with the second driven tooth portion 232. In the embodiment of the present application, the second tooth portion 212 of the main gear 21 is meshed with the second driven gear 23, i.e., the second tooth portion 212 of the main gear 21 is meshed with the second driven tooth portion 232.

Alternatively, the thickness of the first driven tooth portion 222 is equal to the thickness of the first tooth portion 211 of the main gear 21. Thus, the first driven tooth portion 222 can be well meshed with the first tooth portion 211 of the main gear 21, and the first driven tooth portion 222 is prevented from being disengaged from the first tooth portion 211 of the main gear 21 during rotation of the main gear 21.

Alternatively, the thickness of the second driven tooth portion 232 is equal to the thickness of the second tooth portion 212 of the main gear 21. Thus, the second driven teeth 232 can be well meshed with the second teeth 212 of the main gear 21, and the second driven teeth 232 are prevented from being disengaged from the second teeth 212 of the main gear 21 during rotation of the main gear 21.

Alternatively, the thickness of the first driven tooth portion 222 may be equal to the thickness of the second driven tooth portion 232, i.e., the thickness of the first tooth portion 211 of the main gear 21 is equal to the thickness of the second tooth portion 212, as shown in fig. 2. In this way, the first tooth portion 211 can be kept well meshed with the first driven tooth portion 222 or the second tooth portion 212 can be kept well meshed with the second driven tooth portion 232 during the rotation of the main gear 21 in the first direction or in the second direction.

Alternatively, the first driven gear 22 is provided with a first rotating shaft 221 penetrating both side surfaces of the first driven gear 22 and extending outward; the second driven gear 23 is provided with a second rotating shaft 231 penetrating both side surfaces of the second driven gear 23 and extending outward, wherein both ends of the first rotating shaft 221 and both ends of the second rotating shaft 231 are fixed inside the housing 50.

In the movement process of the air deflector 40, the position of the gear set 20 does not change, two ends of the first rotating shaft 221 respectively extend to the outside of two side surfaces of the first driven gear 22, and two ends of the first rotating shaft 221 are fixed inside the shell 50; similarly, both ends of the second rotating shaft 231 extend outward from both side surfaces of the second driven gear 23, and both ends of the second rotating shaft 231 are also fixed inside the housing 50, as shown in fig. 3. Alternatively, the main gear 21 is drivingly connected to the motor 10 through a motor shaft that penetrates to a side of the main gear 21 opposite the motor 10 without extending to the outside of the side.

Alternatively, the housing 50 includes a first housing 51, and the first housing 51 is provided with a first hole groove 511 for fixing one end of the first rotating shaft 221 and a second hole groove 512 for fixing one end of the second rotating shaft 231.

As shown in fig. 4, the first housing 51 includes a motor recess for accommodating the motor 10, and a first hole 511 and a second hole 512 are formed at sides of the motor recess, wherein the first hole 511 is used for fixing one end of the first rotating shaft 221, and the second hole 512 is used for fixing one end of the second rotating shaft 231. The first housing 51 is fixed to the air conditioner by screws or bolts.

Optionally, the housing 50 further includes a second housing 52, the second housing 52 being provided with a third hole groove 521 for fixing the other end of the first rotating shaft 221 and a fourth hole groove 522 for fixing the other end of the second rotating shaft 231, wherein the first housing 51 is disposed opposite to the second housing 52.

As shown in fig. 3, the housing 50 of the gear box includes two parts, which are divided into a first housing 51 and a second housing 52, and the first housing 51 and the second housing 52 are disposed opposite to each other and fixedly connected by bolts or screws. The bottom of the case 50 is an open structure for receiving the rack coupling plate 30 coupled to the air guide plate 40, and the open structure enables the rack coupling plate 30 to move upward or downward.

As shown in fig. 5, fig. 5 is an inner side surface of the second casing 52 opposite to the first casing 51, and a bottom of the second casing 52 is provided with a third hole groove 521 and a fourth hole groove 522, wherein the third hole groove 521 is used for fixing the other end of the first rotating shaft 221, and the fourth hole groove 522 is used for fixing the other end of the second rotating shaft 231. In this way, both ends of the first rotating shaft 221 are fixed in the hole grooves of the first casing 51 and the second casing 52, both ends of the second rotating shaft 231 are also fixed in the hole grooves of the first casing 51 and the second casing 52, and the casing 50 is fixed in the air conditioner, so that the positions of the first driven gear 22 and the second driven gear 23 are fixed and do not change with the movement of the air deflector 40.

Optionally, the second housing 52 further includes a slide portion for limiting the movement of the air deflector 40.

As shown in fig. 5, the second housing 52 is further provided with a slide way portion, the slide way of the slide way portion is matched with the slide block 33 on the side of the rack connecting plate 30, and the slide block 33 on the side of the rack connecting plate 30 can move in the slide way of the slide way portion, so that the slide way portion can limit the movement of the air deflector 40 through the rack connecting plate 30.

Optionally, the chute portion includes a first chute 523, a second chute 524, and a third chute 525, and the first chute 523, the second chute 524, and the third chute 525 are all inverted V-shaped, wherein a first end 5231 of the first chute 523 and a second end 5252 of the third chute 525 are both open ends, a second end 5232 of the first chute 523 and a first end 5251 of the third chute 525 are both closed ends, and both ends of the second chute 524 are both closed ends.

Optionally, the number of the sliding blocks 33 on the side of the rack connecting plate 30 is 3, and the sliding blocks are respectively a first sliding block 331, a second sliding block 332 and a third sliding block 333, wherein the moving track of the first sliding block 331 in the second housing 52 is a first slideway 523, the moving track of the second sliding block 332 in the second housing 52 is a second slideway 524, and the moving track of the third sliding block 333 in the second housing 52 is a third slideway 525. As shown in fig. 5, the first runner 523, the second runner 524, and the third runner 525 are all shaped like an inverted V, and the inverted V includes a top portion and two side portions connected to the top portion, wherein the first end 5231 of the first runner 523 and the second end 5252 of the third runner 525 are both open ends, the second end 5232 of the first runner 523 and the first end 5251 of the third runner 525 are both closed ends, and both ends of the second runner 524 are both closed ends.

When the air deflector 40 is closed, the first slider 331 is positioned on top of the first runner 523, the second slider 332 is positioned on top of the second runner 524, and the third slider 333 is positioned on top of the third runner 525.

During the process that the air deflector 40 is opened downwards to the maximum angle, the first slider 331 moves from the top end of the first slideway 523 to the second end 5232 of the first slideway 523, the second slider 332 moves from the top end of the second slideway 524 to the second end 5242 of the second slideway 524, the third slider 333 moves from the top end of the third slideway 525 to the second end 5252 of the third slideway 525 and slides out from the second end 5252 of the third slideway 525, and the rack connecting plate 30 is partially moved out of the housing 50 until being opened downwards to the maximum angle.

During the process that the air deflector 40 is opened upwards to the maximum angle, the third slider 333 moves from the top end of the third slideway 525 to the first end 5251 of the third slideway 525, the second slider 332 moves from the top end of the second slideway 524 to the first end 5241 of the second slideway 524, the first slider 331 moves from the top end of the first slideway 523 to the first end 5231 of the first slideway 523 and slides out from the first end 5231 of the first slideway 523, and the rack connecting plate 30 is partially moved out of the housing 50 until the air deflector is opened upwards to the maximum angle.

During the movement of the air deflector 40, the first end 5231 of the first runner 523 and the second end 5252 of the third runner 525 are both open ends, so that the rack connecting portion 42 can be partially removed from the housing 50 of the gear box to move the air deflector 40. The second end 5232 of the first slideway 523 and the first end 5251 of the third slideway 525 are both closed ends, and the two ends of the second slideway 524 are both closed ends, so that the sliding block 33 can be limited, and the sliding block 33 is prevented from being separated from the slideway, so that the rack connecting plate 30 deviates from the moving track.

The present application further provides a wind deflector 40 that matches the gear box, as shown in fig. 6 to 9.

In other embodiments, the air deflector 40 includes an air deflector body 41, a connecting portion and the rack connecting plate 30, wherein the connecting portion is disposed on an inner sidewall of the air deflector body 41; the rack connecting plate 30 is fixed on the inner side wall of the air deflector body 41 through a connecting part; wherein, the rack connecting plate 30 includes a rack portion 31 and a rail portion 32, the rack portion 31 is provided with a rack, the rail portion 32 is provided with a rail for movement of the gear set 20 of the air conditioner, and the rack connecting plate 30 is for being engaged with the gear set 20 by the rack.

The air deflector 40 provided by the embodiment of the present disclosure includes a rack connecting plate 30, the rack connecting plate 30 is fixed on the inner side wall of the air deflector body 41 through a connecting portion, wherein the rack connecting plate 30 includes a rack portion 31 and a track portion 32, the rack portion 31 is provided with a rack, the rack is used for being engaged with a gear set 20 fixed in an air conditioner indoor unit, the track portion 32 is provided with a track for movement of the gear set 20, and thus, the rack connecting plate 30 can be engaged with the gear set 20 of the air conditioner through the rack, thereby driving the movement of the air deflector 40. In the embodiment of the present application, the air deflector 40 matched with the gear set 20 has a simple structure, and through the mutual matching of one air deflector 40 and the gear set 20 of the air conditioner, the air deflector 40 can be opened upwards, opened downwards or closed, and moreover, the air deflector is not prone to malfunction.

In the embodiment of the present disclosure, the movement of the air guiding plate 40, for example, the air guiding plate 40 opens upward, opens downward or closes, is the movement of the air guiding plate body 41.

Alternatively, the rack portion 31 includes a first recess 313 and a second recess 314, wherein the first recess 313 is for accommodating the first driven gear 22, and the second recess 314 is for accommodating the second driven gear 23.

As shown in fig. 7, the rack portion 31 of the rack attachment plate 30 is provided with a first recess 313 and a second recess 314, the first recess 313 being for receiving the first driven gear 22 and the second recess 314 being for receiving the second driven gear 23 when the air deflection plate 40 is in the closed state. In this way, the teeth of the first and second driven gears 22 and 23 can be stably engaged with the racks of the main gear 21 and the rack connecting plate 30 in a state where the air deflector 40 is closed, so that the air deflector 40 can be smoothly opened or closed.

Optionally, the rack portion 31 further includes a first rack 311 and a second rack 312, wherein the first rack 311 is disposed at a first side portion of the first groove 313, and the first rack 311 extends in an arc shape to one end of the rack connecting portion, the second rack 312 is disposed at a second side portion of the second groove 314, and the second rack 312 extends in an arc shape to the other end of the rack connecting portion.

In the embodiment of the present application, the first side portion defining the first groove 313 is a side of the first groove 313 near the end of the rack attachment plate 30, and the second side portion defining the second groove 314 is a side of the second groove 314 near the other end of the rack attachment plate 30, as shown in fig. 7. The first rack 311 is disposed at a first side portion of the first groove 313, and the second rack 312 is disposed at a second side portion of the second groove 314, so that when the air deflector 40 is in a closed state and the air deflector 40 is opened upward or downward, the tooth portion of the first driven gear 22 can be well engaged with the first rack 311, and the tooth portion of the second driven gear 23 can also be well engaged with the second rack 312, so that the air deflector 40 can be stably opened or closed.

Optionally, a first groove 313 and a second groove 314 are disposed between the first rack 311 and the second rack 312. Thus, when the air deflector 40 is in the closed state, the first driven gear 22 and the second driven gear 23 are positioned between the first rack 311 and the second rack 312, and can maintain good engagement with the rack of the rack connection plate 30.

Optionally, the track portion 32 includes a first track 321, a second track 322, a third track 323 and a fourth track 324 for the movement of the gear set 20, the gear set 20 includes a first driven gear 22 and a second driven gear 23, the first driven gear 22 is provided with a first driven tooth 222, the second driven gear 23 is provided with a second driven tooth 232, wherein the first track 321 and the third track 323 are the movement tracks of the first driven gear 22, and the second track 322 and the fourth track 324 are the movement tracks of the second driven gear 23.

As shown in fig. 7, the rack connection plate 30 further includes a rail portion 32, and a central area of the rail portion 32 is provided with rails, i.e., a first rail 321, a second rail 322, a third rail 323, and a fourth rail 324. Alternatively, the gear set 20 includes a main gear 21, and a first driven gear 22 and a second driven gear 23 engaged with the main gear 21, the first driven gear 22 being provided with a first driven tooth portion 222, the second driven gear 23 being provided with a second driven tooth portion 232, wherein the first driven tooth portion 222 is engageable with the first rack 311 of the rack connection plate 30, and the second driven tooth portion 223 is engageable with the second rack 312 of the rack connection plate 30.

In the embodiment of the present application, it is defined that an end of the first rack 311 close to the bottom of the rack connecting plate 30 is a first end of the first rack 311, an end of the second rack 312 close to the bottom of the rack connecting plate 30 is a second end of the first rack 311, an end of the second rack 312 close to the bottom of the rack connecting plate 30 is a first end of the second rack 312, and an end of the second rack 312 far from the bottom of the rack connecting plate 30 is a second end of the second rack 312. When the air deflector 40 is closed, it is defined that when the air deflector 40 is in a closed state, the position of the first driven gear 22 is the starting ends of the first track 321 and the third track 323, and the position of the second driven gear 23 is the starting ends of the second track 322 and the fourth track 324, wherein the starting end of the first track 321 coincides with the starting end of the third track 323, and the starting end of the second track 322 coincides with the starting end of the fourth track 324; when the air deflector 40 is opened downwards to the maximum angle, the position of the first driven gear 22 is the second end of the first rack 311 and the end of the first track 321, and the position of the second driven gear 23 is the end of the second track 322; when the air deflector 40 is opened upward to the maximum angle, the first driven gear 22 is located at the end of the third rail 323, and the second driven gear 23 is located at the end of the fourth rail 324 and the second end of the second rack 312. When the air deflector 40 is closed, the first driven gear 22 and the second driven gear 23 are positioned at the bottom of the rack portion 31, the first driven toothed portion 222 is engaged with the first end of the first rack 311, and the second driven toothed portion 232 is engaged with the first end of the second rack 312.

In the embodiment of the present application, the first direction is defined as a clockwise direction, and the second direction is defined as a counterclockwise direction. As shown in fig. 12, when the main gear 21 rotates in the first direction, i.e., the main gear 21 rotates clockwise, the first tooth portion 211 of the main gear 21 is engaged with the first driven tooth portion 222, the first driven gear 22 moves in the first track 321, and the second driven gear 23 moves in the second track 322, so that the air deflector 40 is changed from the closed state to the downward open state. In the process that the air deflector 40 is changed from the closed state to the downward open state, the first driven gear 22 and the second driven gear 23 do not change their positions, both the first driven gear 22 and the second driven gear 23 move relative to the rack connecting plate 30, the movement track of the first driven gear 22 is the first track 321, and the movement track of the second driven gear 23 is the second track 322. As shown in fig. 13, when the main gear 21 rotates in the second direction, i.e., the main gear 21 rotates counterclockwise, the second tooth portion 212 of the main gear 21 is engaged with the second driven tooth portion 232, the second driven gear 23 moves in the fourth track 324, and the first driven gear 22 moves in the third track 323, so that the air deflector 40 is changed from the closed state to the upward open state. Similarly, during the process of the air deflector 40 changing from the closed state to the upward open state, the first driven gear 22 and the second driven gear 23 do not change their positions, the first driven gear 22 and the second driven gear 23 both move relative to the rack connecting plate 30, the first driven gear 22 has a third track 323, and the second driven gear 23 has a fourth track 324.

Optionally, the first track 321 is adjacent to the first rack 311, and the arc of the first track 321 is the same as the arc of the first rack 311.

Optionally, a first rotating shaft 221 penetrating through two side surfaces of the first driven gear 22 and extending outward is disposed at a central position of the first driven gear 22, and in a process that the air deflector 40 is opened downward, the first rack 311 is engaged with the first driven tooth portion 222, and the first driven gear 22 moves in the first track 321, that is, the first rack 311 is a moving track of the first driven tooth portion 222, and the first track 321 is a moving track of the first rotating shaft 221, so that an arc degree of the first track 321 is the same as an arc degree of the first rack 311. Alternatively, the length of the first rack 311 may be less than or equal to the length of the first rail 321.

Optionally, the fourth track 324 is adjacent to the second rack 312, and the arc of the fourth track 324 is the same as the arc of the first rack 311.

Optionally, a second rotating shaft 231 penetrating through both side surfaces of the second driven gear 23 and extending outward is disposed at a central position of the second driven gear 23. During the process that the air deflector 40 is opened upwards, the second rack 312 is engaged with the second driven tooth portion 232, and the second driven gear 23 moves in the fourth track 324, that is, the second rack 312 is a movement track of the second driven tooth portion 232, and the fourth track 324 is a movement track of the second rotating shaft 231, so that an arc degree of the fourth track 324 is the same as an arc degree of the second rack 312. Alternatively, the length of the second rack 312 may be less than or equal to the length of the fourth track 324.

Alternatively, the arc of the first rack 311 is the same as the arc of the second rail 322, and the arc of the second rack 312 is the same as the arc of the third rail 323.

During the downward opening of the air deflector 40, the first driven tooth portion 222 is always engaged with the first rack 311, the first driven gear 22 moves from the start end of the first rail 321 to the end of the first rail 321, and the second driven gear 23 moves from the start end of the second rail 322 to the end of the second rail 322, as shown in fig. 12. Therefore, the movement locus of the first driven gear 22 and the second driven gear 23 is concentric, that is, the arc degree of the first rack 311 is the same as the arc degree of the second track 322, and the arc degree of the first rack 311 is the same as the arc degree of the first track 321.

During the upward opening of the air deflection plate 40, the second driven tooth portion 232 is always engaged with the second rack 312, the second driven gear 23 moves from the start end of the fourth track 324 to the end of the fourth track 324, and the first driven gear 22 moves from the start end of the third track 323 to the end of the third track 323, as shown in fig. 13. Therefore, the second driven gear 23 and the first driven gear 22 have concentric movement tracks, that is, the arc degree of the second rack 312 is the same as the arc degree of the third rail 323, and the arc degree of the second rack 312 is the same as the arc degree of the fourth rail 324.

Optionally, the rack attachment plate 30 is provided with sliders 33, the sliders 33 being adapted to slide in the slide ways of the housing 50 of the gear unit 20, optionally the number of sliders 33 being 3, as shown in fig. 8.

Optionally, the rack connecting plate 30 includes a first rack connecting plate and a second rack connecting plate, and the first rack connecting plate is disposed at a first end of the inner side wall of the air deflector body 41; the second rack connecting plate is disposed at a second end of the inner sidewall of the air guiding plate body 41.

Optionally, the bottom surface of the rack connecting plate 30 is provided with a connecting groove 34 matching with the connecting portion 42, a connecting shaft 35 is arranged in the connecting groove 34, and the rack connecting plate 30 is clamped with the connecting portion 42 through the connecting shaft 35, as shown in fig. 9.

Optionally, the connecting portion 42 includes a base 421 and a mounting portion 422, the base 421 is fixed to an inner side wall of the air deflector body 41, the mounting portion 422 is disposed at an upper end of the base 421, and the mounting portion 422 and the base 421 may be an integrated structure. The mounting portion 422 is provided with a connecting opening matched with the connecting shaft 35, and the connecting opening is used for being clamped with the connecting shaft 35, so that the rack connecting plate 30 can be fixed on the inner side wall of the air deflector body 41 through the connecting portion 42, and the stability of connection between the rack connecting plate 30 and the air deflector body 41 is improved.

The present application further provides a drive assembly for a wind deflector, as shown in fig. 10-13.

In other embodiments, a drive assembly for a wind deflector comprises: the gear rack comprises a motor 10, a gear set 20 and a rack connecting plate 30, wherein the motor 10 is a bidirectional driving motor; the gear set 20 comprises a main gear 21, a first driven gear 22 and a second driven gear 23, the main gear 21 is in driving connection with the motor 10, the main gear 21 comprises a first tooth portion 211 and a second tooth portion 212, the first tooth portion 211 is used for being meshed with the first driven gear 22, and the second tooth portion 212 is used for being meshed with the second driven gear 23; the rack connecting plate 30 is connected with the air deflector 40, and the rack connecting plate 30 is provided with racks meshed with the first driven gear 22 and the second driven gear 23; the gear set 20 is used for driving the air deflector 40 to open upwards, open downwards or close.

In the embodiment of the present application, the driving assembly for the air deflector 40 includes a motor 10, a gear set 20 and a rack connecting plate 30, wherein the rack connecting plate 30 is connected to the air deflector 40, during the movement of the air deflector 40, the gear set 20 and the motor 10 are fixed in the air conditioning indoor unit, and the motor 10 is a bidirectional driving motor 10, that is, the motor 10 can drive the main gear 21 in a first direction or drive the main gear 21 in a second direction. When the motor 10 drives the main gear 21 in the first direction under the condition that the air deflector 40 is closed, the main gear 21 rotates in the first direction, the first tooth portion 211 of the main gear 21 is meshed with the first driven gear 22, the first driven gear 22 rotates in the second direction, and the first driven gear 22 is meshed with the rack of the rack connecting plate 30 and drives the rack connecting plate 30 to rotate in the first direction, so that the air deflector 40 is opened downwards; when the air deflector 40 is changed from the downward opening state to the closing state, the motor 10 drives the main gear 21 in the second direction, the main gear 21 rotates in the second direction, the first tooth portion 211 of the main gear 21 is engaged with the first driven gear 22, the first driven gear 22 rotates in the first direction, and the first driven gear 22 is engaged with the rack of the rack connecting plate 30 and drives the rack connecting plate 30 to rotate in the second direction, so that the air deflector 40 is closed. As can be appreciated, when the motor 10 is driven in the second direction, the second tooth portion 212 of the main gear 21 is engaged with the second driven gear 23, so that the air deflector 40 is opened upward; when the air deflector 40 is turned from the upward opening state to the closing state, the motor 10 drives the main gear 21 in the first direction, so that the air deflector 40 is closed. Therefore, one air guide plate 40 can be opened upwards, opened downwards or closed downwards through the set of driving assembly, the driving assembly is simple in structure, no gap exists between the air guide plate 40 and the indoor unit of the air conditioner, and dust is not easy to accumulate.

Alternatively, the main gear 21 has a first circumferential surface and a second circumferential surface, wherein the first teeth 211 are provided on the first circumferential surface and the second teeth 212 are provided on the second circumferential surface, as shown in fig. 10.

Optionally, the main gear 21 further comprises a common tooth portion 213 provided at the first and second circumferential surfaces, the common tooth portion 213 comprising a partial tooth portion of the first tooth portion 211 and a partial tooth portion of the second tooth portion 212.

As shown in fig. 10, the main gear 21 is further provided with a co-toothed portion 213, and the co-toothed portion 213 is provided on the first circumferential surface and the second circumferential surface, that is, the co-toothed portion 213 is a portion where the teeth are provided on both the first circumferential surface and the second circumferential surface. When the air deflector 40 is closed, one end of the first tooth portion 211 of the common tooth portion 213 is engaged with the first driven gear 22, and one end of the second tooth portion 212 of the common tooth portion 213 is engaged with the second driven gear 23, so that the main gear 21 is prevented from idling due to the main gear 21 being unable to be engaged with the two driven gears, and the rack connecting plate 30 is unable to drive the air deflector 40 to rotate.

Alternatively, the first driven gear 22 includes a third peripheral surface provided with the first driven tooth portion 222; the second driven gear 23 includes a sixth circumferential surface provided with a second driven tooth portion 232.

As shown in fig. 11, the first driven tooth portion 222 is provided on the third peripheral surface of the first driven gear 22, and the second driven tooth portion 232 is provided on the sixth peripheral surface of the second driven gear 23. The third circumferential surface is a circumferential surface away from the motor 10, and the sixth circumferential surface is a circumferential surface close to the motor 10, that is, when the air deflector 40 is closed, the first driven tooth portion 222 of the first driven gear 22 meshes with the first tooth portion 211 of the main gear 21, and the second driven tooth portion 232 of the second driven gear 23 meshes with the second tooth portion 212 of the main gear 21. Thus, the gear assembly 20 can cooperate with the rack bar 30 to cause the air deflection plates 40 to open upwardly, open downwardly and close.

Alternatively, the first driven gear 22 further includes a fourth circumferential surface provided with a non-toothed portion, and the second driven gear 23 further includes a fifth circumferential surface provided with a non-toothed portion. That is, the first driven gear 22 and the second driven gear 23 are both provided with a non-toothed portion, so as to avoid that when the first driven gear 22 and the second driven gear 23 are not provided with a non-toothed portion, both driven gears mesh with the co-toothed portion 213 of the main gear 21, so that the main gear 21 cannot rotate, that is, the gear set 20 cannot drive the air deflector 40 to rotate.

Alternatively, when the air deflection plate 40 is closed, the co-tooth portion 213 of the main gear 21 is disposed between the first driven tooth portion 222 of the first driven gear 22 and the second driven tooth portion 232 of the second driven gear 23. As shown in fig. 10, when the air deflector 40 is closed, the common tooth portion 213 is engaged with the first driven tooth portion 222 and the second driven tooth portion 232, so that the degree of engagement between the main gear 21 and the two driven gears can be increased, and the main gear 21 is prevented from idling due to the tooth disengagement between the main gear 21 and the two driven gears.

Alternatively, the rack attachment plate 30 includes a rack portion 31, the rack portion 31 includes a first rack 311 and a second rack 312, and the first rack 311 extends in an arc shape toward one end of the rack attachment plate 30; the second rack 312 extends in an arc toward the other end of the rack attachment plate 30.

In the embodiment of the present application, the first tooth portion 211 of the main gear 21 is meshed with the first driven gear 22, that is, the first tooth portion 211 is meshed with the first driven tooth portion 222 of the first driven gear 22, and the second tooth portion 212 of the main gear 21 is meshed with the second driven gear 23, that is, the second tooth portion 212 is meshed with the second driven tooth portion 232 of the second driven gear 23. The first driven gear 22 is meshed with the first rack 311, that is, the first driven tooth portion 222 of the first driven gear 22 is meshed with the first rack 311, and the second driven gear 23 is meshed with the second rack 312, that is, the second driven tooth portion 232 of the second driven gear 23 is meshed with the second rack 312.

As shown in fig. 11, the rack attachment plate 30 includes a rack portion 31, the rack portion 31 includes a first rack 311 and a second rack 312, and both the first rack 311 and the second rack 312 have an arc shape. In the embodiment of the present application, an end of the first rack 311 close to the bottom of the rack connecting plate 30 is defined as a first end of the first rack 311, and an end of the second rack 312 close to the bottom of the rack connecting plate 30 is defined as a first end of the second rack 312, when the air deflector 40 is closed, the first driven gear 22 is engaged with the first end of the first rack 311, and the second driven gear 23 is engaged with the first end of the second rack 312.

In the embodiment of the present application, the first direction is defined as a clockwise direction, and the second direction is defined as a counterclockwise direction. As shown in fig. 12, fig. 12 is a schematic view illustrating a state of the driving assembly when the air deflector 40 is opened downward, when the motor 10 drives the main gear 21 clockwise, the main gear 21 rotates clockwise, the first tooth portion 211 of the main gear 21 engages with the first driven tooth portion 222, so as to drive the first driven gear 22 to rotate counterclockwise, and the first driven tooth portion 222 engages with the first rack 311, so as to drive the first rack 311 to rotate clockwise, that is, the air deflector 40 is changed from the closed state to the downward opened state. When the air deflector 40 is changed from the downward opening state to the closing state, the motor 10 drives the main gear 21 counterclockwise, the main gear 21 rotates counterclockwise, the first tooth portion 211 of the main gear 21 is engaged with the first driven tooth portion 222, so as to drive the first driven gear 22 to rotate clockwise, the first driven tooth portion 222 is engaged with the first rack 311, so as to drive the first rack 311 to rotate counterclockwise, and when the first driven tooth portion 222 is engaged with the first end of the first rack 311, the air deflector 40 is closed.

As shown in fig. 13, fig. 13 is a schematic view illustrating the state of the driving assembly when the air deflector 40 is opened upward, when the motor 10 drives the main gear 21 counterclockwise, the main gear 21 rotates counterclockwise, the second tooth portion 212 of the main gear 21 meshes with the second driven tooth portion 232, so as to drive the second driven gear 23 to rotate clockwise, and the second driven tooth portion 232 meshes with the second rack 312, so as to drive the second rack 312 to rotate counterclockwise, that is, the air deflector 40 is changed from the closed state to the upward opened state. When the air deflector 40 is changed from the upward opening state to the closing state, the motor 10 drives the main gear 21 clockwise, the main gear 21 rotates clockwise, the second tooth portion 212 of the main gear 21 is engaged with the second driven tooth portion 232, so as to drive the second driven gear 23 to rotate counterclockwise, the second driven tooth portion 232 is engaged with the second rack 312, so as to drive the second rack 312 to rotate clockwise, and when the second driven tooth portion 232 is engaged with the first end of the second rack 312, the air deflector 40 is closed.

Optionally, the rack connecting plate 30 further includes a rail portion 32, and the rail portion 32 includes a first rail 321 in which the first driven gear 22 moves and a second rail 322 in which the second driven gear 23 moves; when the main gear 21 rotates in the first direction, the first tooth portion 211 of the main gear 21 engages with the first driven tooth portion 222 of the first driven gear 22, so that the first driven gear 22 moves in the first track 321 and rotates in engagement with the first rack 311, and meanwhile, the second driven gear 23 moves in the second track 322, so that the air deflector 40 opens downward.

As shown in fig. 12, when the main gear 21 rotates in the first direction, i.e., the main gear 21 rotates clockwise, the first tooth portion 211 of the main gear 21 is engaged with the first driven tooth portion 222, the first driven gear 22 moves in the first track 321, and the second driven gear 23 moves in the second track 322, so that the air deflector 40 is changed from the closed state to the downward open state. In the process that the air deflector 40 is changed from the closed state to the downward open state, the first driven gear 22 and the second driven gear 23 do not change their positions, both the first driven gear 22 and the second driven gear 23 move relative to the rack connecting plate 30, the movement track of the first driven gear 22 is the first track 321, and the movement track of the second driven gear 23 is the second track 322.

Optionally, the track part 32 further includes a third track 323 on which the first driven gear 22 moves and a fourth track 324 on which the second driven gear 23 moves; when the main gear 21 rotates in the second direction, the second tooth portion 212 of the main gear 21 is engaged with the second driven tooth portion 232 of the second driven gear 23, so that the second driven gear 23 moves in the fourth track 324 and is engaged with the second rack 312 for rotation, and simultaneously, the first driven gear 22 moves in the third track 323, and the air deflector is opened upward.

As shown in fig. 13, when the main gear 21 rotates in the second direction, i.e., the main gear 21 rotates counterclockwise, the second tooth portion 212 of the main gear 21 is engaged with the second driven tooth portion 232, the second driven gear 23 moves in the fourth track 324, and the first driven gear 22 moves in the third track 323, so that the air deflector 40 is changed from the closed state to the upward open state. Similarly, during the process of the air deflector 40 changing from the closed state to the upward open state, the first driven gear 22 and the second driven gear 23 do not change their positions, the first driven gear 22 and the second driven gear 23 both move relative to the rack connecting plate 30, the first driven gear 22 has a third track 323, and the second driven gear 23 has a fourth track 324.

The present application further provides an air-conditioning indoor unit, which includes the gear box and an air deflector 40 matched with the gear box, as shown in fig. 14.

In other embodiments, the indoor unit of the air conditioner comprises the above-mentioned gear box and further comprises an air deflector 40, the air deflector 40 is provided with a rack connecting plate 30, and the first driven gear 22 and the second driven gear 23 of the gear box are meshed with racks on the rack connecting plate 30. Alternatively, the rack connecting plate 30 includes a first rack 311 and a second rack 312, the first rack 311 extends in an arc shape toward one end of the rack connecting plate 30 to be engaged with the first driven tooth portion 222, and the second rack 312 extends in an arc shape toward the other end of the rack connecting plate 30 to be engaged with the second driven tooth portion 232. As shown in fig. 14, fig. 14 is a schematic view of the air-conditioning indoor unit when the air deflector 40 is opened downward, wherein the gear box is fixed in the air-conditioning indoor unit, the motor 10 and the gear set 20 are fixed in the casing 50 of the gear box, the rack connecting plate 30 is fixed on the inner side wall of the air deflector body 41, and the positions of the motor 10 and the gear set 20 are not changed during the movement of the air deflector 40. The rack connecting plate 30 is provided with a first arc-shaped rack 311 and a second arc-shaped rack 312, when the motor 10 drives the main gear 21 in a first direction, that is, the motor 10 drives the main gear 21 in a clockwise direction, the main gear 21 rotates in the clockwise direction and is meshed with the first driven gear 22, so as to drive the first driven tooth portion 222 to be meshed with the first rack 311, and the air deflector 40 is opened downwards from a closed state; when the air deflector 40 is turned from the downward open state to the closed state, the motor 10 drives the main gear 21 counterclockwise, the main gear 21 rotates counterclockwise and is engaged with the first driven tooth portion 222, and the first driven tooth portion 222 is engaged with the first rack 311, so that the air deflector 40 returns to the closed state. When the motor 10 drives the main gear 21 in the second direction, i.e. the motor 10 drives the main gear 21 counterclockwise, the main gear 21 is engaged with the second driven gear 23, so as to drive the second driven teeth 232 to be engaged with the second rack 312, and the air deflector is opened upwards from the closed state. Under the mutual cooperation of the gear set 20 and the air deflectors 40, one air deflector 40 can complete the processes of upward opening, downward opening and closing, and different blowing angle requirements of people are met.

The above description and drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The examples merely typify 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. A gear box, comprising:

the motor (10) is a bidirectional driving motor;

a gear set (20) comprising a main gear (21), a first driven gear (22) and a second driven gear (23), wherein the main gear (21) is in driving connection with the motor (10), the main gear (21) comprises a first tooth part (211) and a second tooth part (212), the first tooth part (211) is used for being meshed with the first driven gear (22), and the second tooth part (212) is used for being meshed with the second driven gear (23); and the combination of (a) and (b),

a housing (50) for securing the motor (10) and the gear set (20);

the first driven gear (22) and the second driven gear (23) are used for being meshed with racks arranged on the air deflector (40) to drive the air deflector (40) to rotate.

2. The gear box of claim 1,

the main gear (21) has a first circumferential surface and a second circumferential surface,

wherein the first tooth portion (211) is provided on the first circumferential surface, and the second tooth portion (212) is provided on the second circumferential surface.

3. The gear box of claim 2,

the portion of the first circumferential surface on which the first teeth (211) are provided is less than or equal to half of the total circumferential surface of the first circumferential surface,

the portion of the second circumferential surface in which the second teeth (212) are provided is less than or equal to half of the total circumferential surface of the second circumferential surface.

4. The gear box according to claim 2, wherein the main gear (21) further comprises a co-toothed portion (213) provided to the first and second circumferential surfaces, the co-toothed portion (213) comprising:

a partial tooth of the first tooth (211) and a partial tooth of the second tooth (212).

5. The gear box of claim 1,

the first driven gear (22) includes a third peripheral surface provided with a first driven tooth portion (222), and a fourth peripheral surface provided with a non-tooth portion.

6. The gear box of claim 1,

the second driven gear (23) includes a sixth circumferential surface provided with a second driven tooth portion (232), and a fifth circumferential surface provided with a non-tooth portion.

7. The gear box of claim 5,

the thickness of the first driven tooth portion (222) is equal to the thickness of the first tooth portion (211) of the main gear (21).

8. The gear box of claim 6,

the thickness of the second driven tooth portion (232) is equal to the thickness of the second tooth portion (212) of the main gear (21).

9. The gear box of claim 1,

the first driven gear (22) is provided with a first rotating shaft (221) which penetrates through two side faces of the first driven gear (22) and extends outwards;

the second driven gear (23) is provided with a second rotating shaft (231) which penetrates through two side surfaces of the second driven gear (23) and extends outwards,

wherein both ends of the first rotating shaft (221) and both ends of the second rotating shaft (231) are fixed inside the housing (50).

10. An air conditioning indoor unit, characterized by comprising the gear box according to any one of claims 1 to 9, and further comprising:

the air deflector (40) is provided with a rack connecting plate (30), and a first driven gear (22) and a second driven gear (23) of the gear box are meshed with racks on the rack connecting plate (30).

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