CN115111758A - A machine in drive assembly, air conditioning for aviation baffle - Google Patents

A machine in drive assembly, air conditioning for aviation baffle Download PDF

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Publication number
CN115111758A
CN115111758A CN202110298188.2A CN202110298188A CN115111758A CN 115111758 A CN115111758 A CN 115111758A CN 202110298188 A CN202110298188 A CN 202110298188A CN 115111758 A CN115111758 A CN 115111758A
Authority
CN
China
Prior art keywords
rack
driven gear
track
gear
air deflector
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110298188.2A
Other languages
Chinese (zh)
Inventor
李婧
劳春峰
王永涛
田志强
顾明亮
张蕾
李英舒
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Haier Smart Technology R&D Co Ltd
Haier Smart Home Co Ltd
Original Assignee
Qingdao Haier Smart Technology R&D Co Ltd
Haier Smart Home Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qingdao Haier Smart Technology R&D Co Ltd, Haier Smart Home Co Ltd filed Critical Qingdao Haier Smart Technology R&D Co Ltd
Priority to CN202110298188.2A priority Critical patent/CN115111758A/en
Priority to PCT/CN2021/131554 priority patent/WO2022193705A1/en
Publication of CN115111758A publication Critical patent/CN115111758A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
    • F24F2013/1433—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means with electric motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
    • F24F2013/1446—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means with gearings

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Flow Control Members (AREA)

Abstract

The application relates to the technical field of air guide of air conditioners and discloses a driving assembly for an air deflector. The driving assembly comprises a motor which is a bidirectional driving motor; the gear set comprises a main gear in driving connection with the motor, and a first driven gear and a second driven gear which are meshed with the main gear; the rack connecting plate is connected with the air deflector and is provided with a rack meshed with the first driven gear and the second driven gear; the gear set is used for driving the air deflector to be opened upwards, opened downwards or closed. The driving assembly can solve the problem that the driving mechanism of the existing air deflector is complex in structure. The application also discloses an air-conditioning indoor unit.

Description

A machine in drive assembly, air conditioning for aviation baffle
Technical Field
The present disclosure relates to the field of air guiding technology, and more particularly, to a driving assembly for an air deflector and an air conditioner indoor unit including the same.
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, a mechanical arm type air deflector is generally adopted in an existing wall-mounted air conditioner, the air deflector is pushed out of an air conditioner body through a driving mechanism connected with the air deflector, a rotatable space is reserved for the air deflector, and the air deflector rotates under the control of a movement mechanism along a connecting shaft of a mechanical arm, so that air supply at different angles of the air deflector is realized. Or a larger gap is formed between the air deflector of the wall-mounted air conditioner and the indoor unit, so that the air deflector can rotate at a larger angle, and the requirements of users on different air supply angles are met.
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 process of adjusting the air supply angle by adopting the mechanical arm type air deflector, the driving mechanism connected with the air deflector is complex in structure and easy to break down. And when a larger gap exists between the air deflector and the indoor unit, the air duct of the indoor unit of the air conditioner is easy to accumulate dust, and the health requirement is not met.
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 nor is intended to identify key/critical elements or to delineate the scope of such embodiments but rather as a prelude to the more detailed description that is presented later.
The embodiment of the disclosure provides a driving assembly for an air deflector and an air conditioner indoor unit, and aims to solve the problem that a driving mechanism of the air deflector is complex in structure.
In some embodiments, the drive assembly for a wind deflector comprises: the motor is a bidirectional driving motor; the gear set comprises a main gear in driving connection with the motor, and a first driven gear and a second driven gear which are meshed with the main gear; the rack connecting plate is connected with the air deflector and is provided with a rack meshed with the first driven gear and the second driven gear; the gear set is used for driving the air deflector to be opened upwards, opened downwards or closed downwards.
Optionally, a part of the circumferential surface of the main gear is provided with a first tooth.
Optionally, when the air deflector is closed, the first tooth portion is disposed between the first driven gear and the second driven gear.
Optionally, the rack connecting plate comprises a rack portion, the rack portion comprises a first rack and a second rack, and the first rack extends towards one end of the rack connecting plate in an arc shape; the second rack is arc-shaped and extends towards the other end of the rack connecting plate.
Optionally, the rack connecting plate further comprises a track portion, the track portion comprises a first track for movement of the first driven gear and a second track for movement of the second driven gear, when the main gear rotates in the first direction, the first tooth portion of the main gear is meshed with the first driven gear, so that the first driven gear moves in the first track and is meshed with the first rack to rotate, the second driven gear moves in the second track, and the air deflector is opened downwards.
Optionally, the track portion further includes a third track for movement of the first driven gear and a fourth track for movement of the second driven gear, wherein when the main gear rotates in the second direction, the first tooth portion of the main gear engages with the second driven gear, so that the second driven gear moves in the fourth track and rotates in engagement with the second tooth bar, the first driven gear moves in the third track, and the air deflector is opened upwards.
Optionally, the arc of the first rack is the same as the arc of the second track, and the arc of the second rack is the same as the arc of the third track.
Optionally, the rack portion is in a U shape that is open to the outside, and the U shape includes a bottom portion, and a first side portion and a second side portion that extend outward along the bottom portion, wherein the first rack is disposed on the first side portion, and the second rack is disposed on the second side portion.
Optionally, the first driven gear is provided with a first rotating shaft, and the second driven gear is provided with a second rotating shaft, wherein when the air deflector is closed, one end of the first rotating shaft is located at the first end of the first track, and one end of the second rotating shaft is located at the first end of the fourth track.
In some embodiments, the air-conditioning indoor unit comprises the driving assembly for the air deflector.
The drive assembly for the air deflector and the air conditioner indoor unit provided by the embodiment of the disclosure can realize the following technical effects:
in an embodiment of the present application, the driving assembly for the air deflector includes a motor, a gear set, and a rack connecting plate, wherein the motor is a bidirectional driving motor, that is, the motor may drive the main gear in the first direction or drive the main gear in the second direction. When the motor drives the main gear along the first direction, the main gear rotates along the first direction, the main gear is meshed with the first driven gear, the first driven gear rotates along the second direction, and the first driven gear is meshed with the rack of the rack connecting plate and drives the rack connecting plate to rotate along the first direction, so that the air deflector is opened downwards from a closed state; when the air deflector is changed from a downward opening state to a closing state, the motor drives the main gear along the second direction, the main gear rotates along the second direction, the main gear is meshed with the first driven gear, the first driven gear rotates along the first direction, the first driven gear is meshed with the rack of the rack connecting plate, and the rack connecting plate is driven to rotate along the second direction, so that the air deflector is closed. When the motor is driven along the second direction, the main gear is meshed with the second driven gear, so that the air deflector is opened upwards from the closed state; when the air deflector is changed from the upward opening state to the closing state, the motor drives the main gear along the first direction to close the air deflector. Therefore, the air deflector 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 deflector and the indoor unit of the air conditioner, and dust is not easy to accumulate.
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 in the accompanying drawings, which correspond to the accompanying drawings and not in limitation thereof, in which elements having the same reference numeral designations are shown as like elements and not in limitation thereof, and wherein:
FIG. 1 is a general schematic view of a drive assembly for a wind deflector according to embodiments of the present disclosure;
fig. 2 is a schematic structural view of a drive assembly for an air deflection plate according to an embodiment of the present disclosure in a closed state of the air deflection plate;
fig. 3 is a schematic structural view of a driving assembly for an air deflector according to an embodiment of the present disclosure in a downward opening state of the air deflector;
fig. 4 is a schematic structural view of a driving assembly for an air deflector according to an embodiment of the present disclosure in an upward opening state of the air deflector;
fig. 5 is an overall structural schematic view of an air deflector provided in an embodiment of the present disclosure;
FIG. 6 is a schematic structural view of a tie bar plate provided by an embodiment of the present disclosure;
FIG. 7 is a schematic structural view of one side of a rack bar attachment plate provided by an embodiment of the present disclosure;
FIG. 8 is a schematic view of the structure of the other side of the tie bar provided by an embodiment of the present disclosure;
FIG. 9 is a schematic view of a portion of a gear box provided in an embodiment of the present disclosure;
FIG. 10 is a schematic structural view of a first housing of a gear box provided in an embodiment of the present disclosure;
FIG. 11 is a schematic structural view of a housing of a gear box provided in an embodiment of the present disclosure;
fig. 12 is a schematic structural diagram of a second housing of the gear box provided in the embodiment of the present disclosure.
Fig. 13 is a partial structural sectional view of an air conditioning indoor unit 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:
10: a motor; 20: a gear set; 21: a main gear; 211: a first tooth portion; 22: a first driven gear; 221: a first rotating shaft; 23: a second driven gear; 231: a second rotating shaft; 30: a rack connecting plate; 31: a rack portion; 311: a first rack; 312: a second rack; 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 hole 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 slideway; 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 runner.
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 claims of the embodiments of the disclosure and in the drawings described above 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, the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate orientations or positional relationships based on the 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 to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. 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 embodiment of the application provides a driving assembly for an air deflector, as shown in fig. 1 to 4.
In the embodiment of the application, the driving assembly for the air deflector 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 includes a main gear 21 drivingly connected to the motor 10, and a first driven gear 22 and a second driven gear 23 meshed with the main gear 21; 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.
As shown in fig. 1, a driving assembly for an air deflector 40 according to an embodiment of the present disclosure includes a motor 10, a gear set 20, and a rack connecting plate 30, wherein the motor 10 is connected to a main gear 21 through a driving shaft, and the motor 10 is a bidirectional driving motor, that is, the motor 10 may drive the main gear 21 in a first direction or drive the main gear 21 in a second direction. Under the condition that the air deflector 40 is closed, when the motor 10 drives the main gear 21 in the first direction, the main gear 21 rotates in the first direction, 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 turned from the downward open state to the closed state, the motor 10 drives the main gear 21 in the second direction, the main gear 21 rotates in the second direction, 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. It can be understood that, in the case where the air guide plate 40 is closed, when the motor 10 is driven in the second direction, the main gear 21 is engaged with the second driven gear 23, so that the air guide plate 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, the air deflector 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 deflector 40 and the indoor unit of the air conditioner, and dust is not easy to accumulate in an air duct of the indoor unit of the air conditioner.
Optionally, in the driving assembly for the air deflector 40 provided in the embodiment of the present disclosure, the number of the main gear 21 is 1, that is, the driving assembly provided in the embodiment of the present disclosure adopts one main gear 21 and two driven gears, so that the air deflector 40 is opened upwards, opened downwards and closed.
Alternatively, a part of the circumferential surface of the main gear 21 is provided with a first tooth 211.
As shown in fig. 2, a part of the circumferential surface of the main gear 21 is provided with a first tooth portion 211, and the remaining circumferential surface of the main gear 21 is a tooth-missing portion, and optionally, the first driven gear 22 and the second driven gear 23 do not have a tooth-missing portion.
Alternatively, when the air deflection plate 40 is closed, the first tooth portion 211 is disposed between the first driven gear 22 and the second driven gear 23. The first driven gear 22 and the second driven gear 23 are respectively disposed at the lower side portion of the main gear 21, as shown in fig. 2, so that it can be avoided that when the main gear 21 does not have a tooth-missing portion, the main gear 21 is engaged with the first driven gear 22 and the second driven gear 23 simultaneously during rotation, and the rack connecting plate 30 cannot rotate due to forces applied to the racks in two directions simultaneously, that is, the rotation of the air deflector 40 cannot be achieved.
Alternatively, the first driven gear 22 and the second driven gear 23 may be respectively disposed at opposite side portions of the primary gear 21, and when the air deflectors 40 are closed, the first tooth portion 211 of the primary gear 21 is disposed between the first driven gear 22 and the second driven gear 23, and the first driven gear 22 and the second driven gear 23 do not have a tooth missing portion. That is, when the gear set 20 is configured as described above, the circumferential surface of the first tooth 211 of the main gear 21 is half of the circumferential surface of the main gear 21. 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 of the main gear 21 and the length of the rack, and when the circumferential surface of the first tooth portion 211 of the main gear 21 is half of the circumferential surface of the main gear 21 and the length of the rack connecting plate 30 meets the meshing requirement of the first driven gear 22 or the second driven gear 23, the air deflector 40 can be opened upward or downward by 90 degrees.
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.
As shown in fig. 2, 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. 3, fig. 3 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 gear 22, so as to drive the first driven gear 22 to rotate counterclockwise, and the first driven gear 22 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 gear 22, so as to drive the first driven gear 22 to rotate clockwise, the first driven gear 22 is engaged with the first rack 311, so as to drive the first rack 311 to rotate counterclockwise, and when the first driven gear 22 is engaged with the first end of the first rack 311, the air deflector 40 is closed.
As shown in fig. 4, fig. 4 is a schematic view illustrating a 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 first tooth portion 211 of the main gear 21 engages with the second driven gear 23, so as to drive the second driven gear 23 to rotate clockwise, and the second driven gear 23 engages 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 first tooth portion 211 of the main gear 21 is meshed with the second driven gear 23, so as to drive the second driven gear 23 to rotate counterclockwise, the second driven gear 23 is meshed with the second rack 312, so as to drive the second rack 312 to rotate clockwise, and when the second driven gear 23 is meshed with the first end of the second rack 312, the air deflector 40 is closed.
In the embodiment of the present application, the gear set 20 is fixed to the casing 50 of the indoor unit of the air conditioner, that is, the positions of the main gear 21, the first driven gear 22 and the second driven gear 23 are not changed during the process that the air deflector 40 is opened upwards or downwards. When the air deflector 40 is opened upwards or downwards, the rack connecting plate 30 connected to the air deflector 40 needs to be provided with the track portion 32, and the track portion 32 needs to be provided with the moving tracks of the first driven gear 22 and the second driven gear 23, so that the air deflector 40 can be moved out of the air conditioner indoor unit under the condition that the gear set 20 is fixed, and the air deflector can be opened upwards or downwards.
Optionally, the rack connecting plate 30 further includes a rail portion 32, the rail portion 32 includes a first rail 321 for the first driven gear 22 to move and a second rail 322 for the second driven gear 23 to move, wherein when the main gear 21 rotates 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 moves in the first rail 321 and rotates in engagement with the first rack 311, the second driven gear 23 moves in the second rail 322, and the air deflector 40 is opened downward.
As shown in fig. 3, 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 gear 22, 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 portion 32 further includes a third track 323 for the first driven gear 22 to move and a fourth track 324 for the second driven gear 23 to move, wherein when the main gear 21 rotates in the second direction, the first tooth portion 211 of the main gear 21 is engaged with the second driven gear 23, so that the second driven gear 23 moves in the fourth track 324 and rotates in engagement with the second rack 312, the first driven gear 22 moves in the third track 323, and the air deflector 40 is opened upward.
As shown in fig. 4, when the main gear 21 rotates in the second direction, i.e., the main gear 21 rotates counterclockwise, the first tooth portion 211 of the main gear 21 is engaged with the second driven gear 23, 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 guide plate 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.
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.
The gear set 20 and the rack bar 30 need to be matched with each other to enable the air deflector 40 to be opened upwards or downwards. The mutual cooperation between the gear set 20 and the rack connecting plate 30 includes that the track portion 32 of the rack connecting plate 30 needs to be matched with the moving tracks of the first driven gear 22 and the second driven gear 23.
In the embodiment of the present application, when the air deflector 40 is defined to be in the 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.
During the downward opening process of the air deflector 40, the first driven gear 22 is always engaged with the first rack 311, the first driven gear 22 moves from the starting end of the first track 321 to the end of the first track 321, and the second driven gear 23 moves from the starting end of the second track 322 to the end of the second track 322, as shown in fig. 3. 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 deflector 40, the second driven gear 23 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. 4. 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.
Alternatively, the first track 321, the second track 322, the third track 323, and/or the fourth track 324 may be virtual tracks.
Alternatively, the curvature of the first rack 311 and the curvature of the second rack 312 may be the same, in which case, the first driven gear 22 and the second driven gear 23 of the gear set 20 have the same size, and the maximum angle at which the air deflector 40 opens upward and the maximum angle at which the air deflector 40 opens downward are the same under the condition that the size of the main gear 21, the circumferential surface of the first tooth portion 211, and the lengths of the first rack 311 and the second rack 312 are not changed; alternatively, the curvature of the first rack 311 and the curvature of the second rack 312 may be different, in which case, the sizes of the first driven gear 22 and the second driven gear 23 of the gear set 20 are different, and the maximum angle at which the air deflection plate 40 opens upward and the maximum angle at which the air deflection plate 40 opens downward are different without changing the size of the main gear 21, the circumferential surface of the first tooth portion 211, and the lengths of the first rack 311 and the second rack 312. In the embodiment of the present application, the radian of the first rack 311 and the radian of the second rack 312 may be set according to the requirement of the opening angle of the air deflector 40.
Alternatively, the rack portion 31 is in a U shape that is open to the outside, and the U shape includes a bottom portion, and a first side portion and a second side portion that extend outward along the bottom portion, wherein the first rack 311 is disposed on the first side portion, and the second rack 312 is disposed on the second side portion.
As shown in fig. 2, the rack attachment plate 30 includes a rack portion 31 and a rail portion 32. Alternatively, the rack portion 31 and the rail portion 32 may be of an integral structure, or may be fixedly connected by two different members. The structure of rack portion 31 is to track portion 32 open-ended U type, and the bottom of U type is close to the bottom of rack connecting plate 30, and the first lateral part and the second lateral part of U type are the arc and extend to the both ends of rack connecting plate 30 respectively, are the loudspeaker form, promptly, first rack 311 is located first lateral part, extends to the one end of rack connecting plate 30, and second rack 312 is located the second lateral part, extends to the other end of rack connecting plate 30.
Alternatively, the first driven gear 22 is provided with a first rotating shaft 221, and the second driven gear 23 is provided with a second rotating shaft 231, wherein, when the air deflector 40 is closed, one end of the first rotating shaft 221 is located at the first end of the first rail 321, and one end of the second rotating shaft 231 is located at the first end of the fourth rail 324.
As shown in fig. 2, a first rotating shaft 221 penetrating both side surfaces of the first driven gear 22 and extending outward is provided at a central position of the first driven gear 22, and a second rotating shaft 231 penetrating both side surfaces of the second driven gear 23 and extending outward is provided at a central position of the second driven gear 23. The rack connecting plate 30 is provided with a track portion 32, and four tracks of the track portion 32 are motion tracks of the first driven gear 22 and the second driven gear 23, that is, four tracks are motion tracks of the first rotating shaft 221 of the first driven gear 22 and the second rotating shaft 231 of the second driven gear 23, wherein the first track 321 and the third track 323 are motion tracks of the first rotating shaft 221 of the first driven gear 22, and the second track 322 and the fourth track 324 are motion tracks of the second rotating shaft 231 of the second driven gear 23. The first and third rails 321 and 323 have a width equal to the diameter of the first shaft 221, and the second and fourth rails 322 and 324 have a width equal to the diameter of the second shaft 231. When the air deflector 40 is closed, the first driven gear 22 is located at the bottom of the U-shape and is meshed with the first end of the first rack 311, one end of the first rotating shaft 221 is located at the first end of the first rail 321, and the first end of the first rail 321 is defined as the end of the first rail 321 close to the bottom of the U-shaped rack portion 31; the second driven gear 23 is located at the bottom of the U-shape and engaged with the first end of the second rack 312, and one end of the second rotating shaft 231 is located at the first end of the fourth track 324, defining the first end of the fourth track 324 as the end close to the bottom of the U-shaped rack portion 31.
The embodiment of the present application further provides an air guiding plate 40, as shown in fig. 5 to 8.
In the embodiment of the present application, an air deflector 40 includes: the air deflector comprises an air deflector body 41, a connecting part 42 and a rack connecting plate 30, wherein the connecting part 42 is arranged on the inner side wall 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 42; the rack connecting plate 30 comprises a rack portion 31 and a track portion 32, the rack portion 31 is provided with a rack, the track portion 32 is provided with a hollow structure, the edge of the hollow structure is provided with a track for movement of the gear set 20 of the air conditioner, and the rack connecting plate 30 is used for driving the air deflector 40 to move through meshing of the rack and the gear set 20.
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.
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 42, 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 on an air conditioner, the track portion 32 is a hollowed structure, one end of the track portion 32, which is far away from the air deflector 40, 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. The air deflector 40 can be matched with the gear set 20 of the air conditioner, so that the air deflector 40 is opened upwards, opened downwards or closed.
Optionally, the rack portion 31 includes a first rack 311 and a second rack 312, wherein the rack portion 31 is in a U shape with an outward opening, the U shape includes a bottom portion, and a first side portion and a second side portion extending outward along the bottom portion, the first rack 311 is disposed on the first side portion, and the second rack 312 is disposed on the second side portion.
As shown in fig. 6, the rack portion 31 of the rack link plate 30 includes a first rack 311 and a second rack 312, the rack portion 31 is in a U shape that is open toward the rail portion 32, the bottom of the U shape is close to the bottom of the rack link plate 30, a first side portion and a second side portion of the U shape are arc-shaped and respectively extend to both ends of the rack link plate 30, and are in a horn shape, that is, the first rack 311 is located on the first side portion and extends to one end of the rack link plate 30, and the second rack 312 is located on the second side portion and extends to the other end of the rack link plate 30.
Optionally, the track part 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, 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. 6, the rack connecting plate 30 includes a rail portion 32, and a central area of the rail portion 32 is a hollow structure, and edges of the hollow structure are provided with rails, that is, 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, wherein the first driven gear 22 is engageable with the first rack 311 of the rack connection plate 30, and the second driven gear 23 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 located at the bottom of the U-shaped rack portion 31, the first driven gear 22 meshes with the first end of the first rack 311, and the second driven gear 23 meshes 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. 3, when the main gear 21 rotates in the first direction, that is, the main gear 21 rotates clockwise, the first tooth portion 211 of the main gear 21 meshes with the first driven gear 22, 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. 4, when the main gear 21 rotates in the second direction, i.e., the main gear 21 rotates counterclockwise, the first tooth portion 211 of the main gear 21 is engaged with the second driven gear 23, 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 that the air deflector 40 is changed 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 movement track of the first driven gear 22 is the third track 323, and the movement track of the second driven gear 23 is the fourth track 324.
Optionally, the first track 321 is adjacent to the first rack 311, an arc of the first track 321 is the same as an arc of the first rack 311, and a length of the first rack 311 is less than or equal to a length of the first track 321.
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 gear 22, and the first driven gear 22 moves in the first track 321, that is, the first rack 311 is a moving track of a tooth portion of the first driven gear 22, 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. The angle of the air deflector 40 opening downwards is related to the length and the radian of the first rack 311 and the length of the first track 321, and optionally, the length of the first rack 311 is smaller than the length of the first track 321 under the condition that the radian of the first rack 311 is determined, so that the first driven gear 22 can be ensured to be meshed with the second end of the first rack 311, and it is avoided that when the length of the first rack 311 is larger than the length of the first track 321, the first driven gear 22 moves to the tail end of the first track 321, and the first driven gear 22 cannot be meshed with the second end of the first rack 311, so that the air deflector 40 cannot be opened downwards to the set angle. Alternatively, the length of the first rack 311 may also be equal to the length of the first rail 321.
Optionally, the fourth track 324 is adjacent to the second rack 312, the arc of the fourth track 324 is the same as the arc of the first rack 311, and the length of the second rack 312 is less than or equal to the length of the second track 322.
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 gear 23, and the second driven gear 23 moves in the fourth track 324, that is, the second rack 312 is a movement track of the tooth portion of the second driven gear 23, and the fourth track 324 is a movement track of the second rotating shaft 231, so that the radian of the fourth track 324 is the same as the radian of the second rack 312. The upward opening angle of the air deflector 40 is related to the length and curvature of the second rack 312 and the length of the fourth track 324, and when the length and curvature of the second rack 312 are determined, optionally, the length of the second rack 312 is less than the length of the fourth track 324, so that the second driven gear 23 can be ensured to be engaged with the second end of the second rack 312, and it is avoided that when the length of the second rack 312 is greater than the length of the fourth track 324, the second driven gear 23 moves to the end of the fourth track 324, and the second driven gear 23 cannot be engaged with the second end of the second rack 312, so that the air deflector 40 cannot be opened upward to the set angle. Optionally, the length of the second rack 312 may also be equal to the length of the fourth track 324.
Optionally, the rack bar 30 is provided with a slider 33, the slider 33 being adapted to slide within a slide of the housing 50 of the gear unit 20.
As shown in fig. 7 and 8, the other side of the rack connecting plate 30 is provided with a sliding block 33, and the sliding block 33 is matched with a slide way of the housing 50 of the gear set 20, and the sliding block 33 can slide in the slide way. Optionally, the number of sliders 33 is 3.
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 deflector 40.
In the embodiment of the present application, 2 rack connecting plates 30 connected to the air deflector body 41 may be provided, that is, a first rack connecting plate and a second rack connecting plate, wherein the first rack connecting plate is disposed at one end of the inner side wall of the air deflector body 41, and the second rack connecting plate is disposed at the second end of the inner side wall of the air deflector body 41, so that the air deflector 40 can be smoothly opened and closed.
Optionally, a connecting groove 34 matched with the connecting portion 42 is formed in the bottom surface of the rack connecting plate 30, 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. 8, the rack attachment plate 30 is provided at the bottom thereof with a coupling groove 34, and the shape of the coupling groove 34 matches the shape of the coupling portion 42. Wherein, be provided with connecting axle 35 in the connecting groove 34, this connecting axle 35 can be blocked joint mutually with connecting portion 42.
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.
Alternatively, the number of the connection grooves 34 and the connection parts 42 is the same, and the number of the connection grooves 34 and the connection parts 42 may be 2. As shown in fig. 8, 2 connecting grooves 34 are formed in the bottom of the rack connecting plate 30, connecting shafts 35 are respectively arranged in the connecting grooves 34, and the two connecting shafts 35 are respectively clamped with the mounting portions 422 of the connecting portions 42, so that the rack connecting plate 30 can be stably fixed on the inner side wall of the air deflector body 41, and the stability of the connection between the rack connecting plate 30 and the air deflector body 41 is improved.
The embodiment of the application also provides a gear box, as shown in fig. 9 to 12.
In the embodiment of the application, the gear box comprises a motor 10, a gear set 20 and a shell 50, wherein the motor 10 is a bidirectional driving motor; the gear set 20 includes a main gear 21 drivingly connected to the motor 10, and a first driven gear 22 and a second driven gear 23 meshed with the main gear 21; 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 engaged with a rack arranged on the air deflector 40 to drive the air deflector 40 to rotate.
The gear box provided by the embodiment of the present disclosure includes a motor 10, a gear set 20, and a housing 50, where the motor 10 is a bidirectional driving motor, and in the embodiment of the present disclosure, the number of the motors 10 is one, and the number of the air deflectors 40 is one, that is, one air deflector 40 is rotated by driving a main gear 21 in a first direction or in a second direction by one motor 10, and the rotation of the air deflector 40 includes opening upward, opening downward, or closing. 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 main gear 21 is drivingly connected to the motor 10, and the main gear 21 is capable of rotating in a first direction or in a second direction under the driving of one of the motors 10. The motor 10 and the gear set 20 are fixed inside the casing 50, and the position of the gear box is not changed during the rotation of the air deflector 40. When the motor 10 drives the main gear 21 in the first direction, the main gear 21 rotates in the first direction, the main gear 21 is engaged with the first driven gear 22, the first driven gear 22 rotates in the second direction, and the first driven gear 22 is engaged with the rack disposed on the air deflector 40, so as to drive the air deflector 40 to open downwards; when the air deflector 40 is turned from the downward open state to the closed state, the motor 10 drives the main gear 21 in the second direction, the main gear 21 rotates in the second direction, 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 disposed on the air deflector 40 and drives the air deflector 40 to close. It can be understood that, when the motor 10 drives the main gear 21 in the second direction, the main gear 21 rotates in the second direction, the main gear 21 is meshed with the second driven gear 23, the second driven gear 23 rotates in the first direction, and the second driven gear 23 is meshed with the rack provided on the air deflector 40, so as to drive the air deflector 40 to open upward. Thus, the wind deflector 40 can be opened upwards, opened downwards or closed by the cooperation of the gear box and the rack arranged on the wind deflector 40.
Alternatively, the circumferential surface of the first tooth portion 211 is less than or equal to half of the circumferential surface of the main gear 21.
Alternatively, the first driven gear 22 and the second driven gear 23 are respectively disposed at the lower side portion of the main gear 21, and the first tooth portion 211 of the main gear 21 is located between the first driven gear 22 and the second driven gear 23 when the air deflector 40 is closed, in which case the circumferential surface of the first tooth portion 211 is less than half of the circumferential surface of the main gear 21, as shown in fig. 9. The maximum angle at which the air deflection plates 40 can be opened upward or downward is less than 90 degrees.
Alternatively, the first driven gear 22 and the second driven gear 23 may be disposed at opposite side portions of the main gear 21, respectively, and the first tooth portion 211 of the main gear 21 is disposed between the first driven gear 22 and the second driven gear 23 when the air deflector 40 is closed, and the first driven gear 22 and the second driven gear 23 do not have a tooth missing portion. That is, when the gear set 20 is configured as described above, the circumferential surface of the first tooth 211 of the main gear 21 is half of the circumferential surface of the main gear 21. 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 of the main gear 21 and the length and the radian of the rack, and when the circumferential surface of the first tooth portion 211 of the main gear 21 is half of the circumferential surface of the main gear 21 and the length and the radian of the rack arranged on the air deflector 40 meet the meshing requirement of the first driven gear 22 or the second driven gear 23, the air deflector 40 can be opened upwards or downwards by 90 degrees.
In the embodiment of the present application, the size of the circumferential surface of the first tooth portion 211 of the main gear 21, the length of the rack, and the radian of the rack may be changed to meet the requirement of the opening angle of the air deflector 40. When the air deflector 40 is closed, the first tooth portion 211 of the main gear 21 is disposed between the first driven gear 22 and the second driven gear 23, and when the length and the curvature of the rack are not changed, the size of the circumferential surface of the first tooth portion 211 can be adjusted by changing the size of the main gear 21. Alternatively, the size of the main gear 21 may be larger than that of the first or second driven gears 22 or 23; alternatively, the size of the main gear 21 may also be smaller than the size of the first driven gear 22 or the second driven gear 23.
Alternatively, the size of the first driven gear 22 and the size of the second driven gear 23 may be the same, and the maximum angle at which the air deflection plate 40 opens upward and the maximum angle at which the air deflection plate 40 opens downward are the same, in the case where the size of the main gear 21, the circumferential surface of the first tooth portion 211, and the lengths of the first rack 311 and the second rack 312 are not changed; alternatively, the first and second driven gears 22 and 23 may have different sizes, and the maximum angle at which the air deflection plate 40 opens upward and the maximum angle at which the air deflection plate 40 opens downward may be different without changing the size of the main gear 21, the circumferential surface of the first tooth portion 211, and the lengths of the first and second racks 311 and 312.
Alternatively, the first driven gear 22 is provided with a first rotating shaft 221 penetrating through both side surfaces of the first driven gear 22 and extending outward, and the second driven gear 23 is provided with a second rotating shaft 231 penetrating through both side surfaces of the second driven gear 23 and extending outward. In the movement process of the air deflector 40, the position of the gear set 20 is not changed, and the position of the first driven gear 22 can be fixed through the two ends of the first rotating shaft 221 as the two ends of the first rotating shaft 221 respectively extend to the outside of the two side surfaces of the first driven gear 22; similarly, both ends of the second rotating shaft 231 extend outward from both side surfaces of the second driven gear 23, and the position of the second driven gear 23 can be fixed by both ends of the second rotating shaft 231. 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. 10, 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. 11, 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. 12, fig. 12 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. 12, 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. 12, the first runner 523, the second runner 524, and the third runner 525 are all shaped as 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 of the air deflector 40 opening downward 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 opening downward 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 partially moves out of the housing 50 until being 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 moved out of the interior of the housing 50 of the gear box, and the air deflector 40 is driven to move. 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 embodiment of the application also provides an air conditioner indoor unit, which comprises the driving assembly for the air deflector 40. As shown in fig. 13 and 14, fig. 13 is a partial structural sectional view of the air conditioning indoor unit, and fig. 14 is a schematic view of a state of the air conditioning indoor unit when the air deflector is opened downward, wherein the rack connecting plate 30 is fixed to an inner side wall of the air deflector body 41, the motor 10 and the gear set 20 are fixed inside a housing of the gear box, and positions of the motor 10 and the gear set 20 are not changed during a movement process of the air deflector 40. Through the driving of the motor 10 along the first direction and the second direction and the mutual matching of the driving components, 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 drive assembly for an air deflection panel, comprising:
the motor (10) is a bidirectional driving motor;
a gear set (20) comprising a main gear (21) in driving connection with the motor (10), and a first driven gear (22) and a second driven gear (22) engaged with the main gear (21); and the combination of (a) and (b),
the rack connecting plate (30) is connected with the air deflector (40), and a rack meshed with the first driven gear (22) and the second driven gear (22) is arranged on the rack connecting plate (30);
the gear set (20) is used for driving the air deflector (40) to be opened upwards, opened downwards or closed.
2. The drive assembly of claim 1,
a first tooth part (211) is arranged on part of the peripheral surface of the main gear (21).
3. The drive assembly of claim 2,
when the air deflector (40) is closed, the first tooth portion (211) is disposed between the first driven gear (22) and the second driven gear (22).
4. The drive assembly according to claim 1, wherein the rack attachment plate (30) comprises a rack portion (31), the rack portion (31) comprising:
a first rack (311) extending in an arc shape toward one end of the rack link plate (30); and the combination of (a) and (b),
and a second rack (312) extending in an arc shape toward the other end of the rack connection plate (30).
5. The drive assembly of claim 4, wherein the rack bar plate (30) further comprises a track portion comprising:
a first track (321) on which the first driven gear (22) moves; and (c) and (d),
a second track (322) on which the second driven gear (22) moves,
when the main gear (21) rotates in a first direction, the first tooth portion (211) of the main gear (21) is meshed with the first driven gear (22), so that the first driven gear (22) moves in the first track (321) and is meshed with the first rack (311) to rotate, the second driven gear (22) moves in the second track (322), and the air deflector (40) is opened downwards.
6. The drive assembly of claim 5, wherein the track portion further comprises:
a third track (323) on which the first driven gear (22) moves; and the combination of (a) and (b),
a fourth track (324) on which the second driven gear (22) moves,
when the main gear (21) rotates in a second direction, the first tooth portion (211) of the main gear (21) is meshed with the second driven gear (22), so that the second driven gear (22) moves in the fourth track (324) and is meshed with the second rack (312) to rotate, the first driven gear (22) moves in the third track (323), and the air deflector (40) is opened upwards.
7. The drive assembly of claim 6,
the radian of the first rack (311) is the same as that of the second rail (322), and the radian of the second rack (312) is the same as that of the third rail (323).
8. The drive assembly of claim 4,
the rack portion (31) is in a U shape which is opened outwards and comprises a bottom portion, a first side portion and a second side portion which extend outwards along the bottom portion,
wherein the first rack (311) is disposed on the first side portion and the second rack (312) is disposed on the second side portion.
9. The drive assembly of claim 1,
the first driven gear (22) is provided with a first rotating shaft (221), the second driven gear (22) is provided with a second rotating shaft (231),
when the air deflector (40) is closed, one end of the first rotating shaft (221) is located at the first end of the first track (321), and one end of the second rotating shaft (231) is located at the first end of the fourth track (324).
10. An air-conditioning indoor unit, characterized by comprising a drive assembly for an air deflector (40) as claimed in any one of claims 1 to 9.
CN202110298188.2A 2021-03-19 2021-03-19 A machine in drive assembly, air conditioning for aviation baffle Pending CN115111758A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202110298188.2A CN115111758A (en) 2021-03-19 2021-03-19 A machine in drive assembly, air conditioning for aviation baffle
PCT/CN2021/131554 WO2022193705A1 (en) 2021-03-19 2021-11-18 Driving assembly for air deflector, and indoor air-conditioning unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110298188.2A CN115111758A (en) 2021-03-19 2021-03-19 A machine in drive assembly, air conditioning for aviation baffle

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