CN112413870B - Air conditioner baffle subassembly and have its air conditioner - Google Patents

Air conditioner baffle subassembly and have its air conditioner Download PDF

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Publication number
CN112413870B
CN112413870B CN202011192283.6A CN202011192283A CN112413870B CN 112413870 B CN112413870 B CN 112413870B CN 202011192283 A CN202011192283 A CN 202011192283A CN 112413870 B CN112413870 B CN 112413870B
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China
Prior art keywords
air conditioner
guide plate
guide
rotary shaft
plate
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Application number
CN202011192283.6A
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Chinese (zh)
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CN112413870A (en
Inventor
孙升华
李书佳
曹师增
孟相宏
张乃伟
黄罡
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Qingdao Haier Air Conditioner Gen Corp Ltd
Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home Co Ltd
Original Assignee
Qingdao Haier Air Conditioner Gen Corp Ltd
Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home Co Ltd
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Application filed by Qingdao Haier Air Conditioner Gen Corp Ltd, Qingdao Haier Air Conditioning Electric Co Ltd, Haier Smart Home Co Ltd filed Critical Qingdao Haier Air Conditioner Gen Corp Ltd
Priority to CN202011192283.6A priority Critical patent/CN112413870B/en
Publication of CN112413870A publication Critical patent/CN112413870A/en
Priority to PCT/CN2021/096324 priority patent/WO2021233456A1/en
Application granted granted Critical
Publication of CN112413870B publication Critical patent/CN112413870B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/105Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers composed of diaphragms or segments
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007Indoor units, e.g. fan coil units
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08Air-flow control members, e.g. louvres, grilles, flaps or guide plates

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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 invention relates to an air conditioner guide plate assembly and an air conditioner with the same. Air conditioner baffle subassembly includes: the guide plate comprises an elongated plate body and rotating shaft joints symmetrically arranged at two ends of the elongated plate body, the rotating shaft joints are positioned on the same axis and extend towards each other, and each rotating shaft joint comprises at least two guide rib plates which radially extend outwards from the body of the rotating shaft joint and are spaced from each other by the same angle; and a driving mechanism configured to rotatably fix the guide plate to a casing of the air conditioner and to drive the guide plate to rotate relative to the casing, the driving mechanism being provided with a hollow rotary shaft, a plurality of axial guide grooves being formed on a circumferential wall of the rotary shaft at regular intervals, each of the axial guide grooves being configured to receive any one of the guide ribs such that a body of the rotary shaft joint can be inserted into the rotary shaft. Through the rotatable air conditioner guide plate assembly, the air conditioner has the direct blowing prevention function and can realize the remote air supply function.

Description

Air conditioner baffle subassembly and have its air conditioner
Technical Field
The invention relates to an air conditioning system, in particular to an air conditioning guide plate assembly and an air conditioner with the same.
Background
Existing air conditioners or indoor units thereof (hereinafter, simply referred to as "air conditioners") disposed in a conditioned room are generally provided with an air intake opening and an air outlet opening. An air extracting or blowing device (such as a centrifugal fan or an axial flow fan) in the air conditioner sucks air in a conditioned room (which is generally called "return air") or fresh air outside the room into the air conditioner through an air inlet. The air flows through a heat exchanger arranged in the air conditioner to be cooled or heated. The cooled or heated air is then delivered into the room through the outlet. Accordingly, the intake vent is generally disposed at the top of the air-conditioning case, and the outtake vent is generally disposed at a lower portion of a front side (which may be referred to as a "front panel") of the air-conditioning case. When the air conditioner operates in a cooling mode, if a person is relatively close to the air conditioner, cold air blown out from the air conditioner can be directly blown to the person, and discomfort of the person is easily caused. When the distance between people and the air conditioner is far, the air conditioner is required to realize remote air supply.
In order to solve the above technical problems, a blow-through prevention guide plate has been developed in the prior art. The blow-through preventing guide plate is provided with a plurality of small holes and is directly arranged at the air outlet. When the air conditioner runs in a cooling mode, cold air needs to pass through the small holes, so that the cold air is scattered, and the purpose of preventing direct blowing is achieved. However, the direct blowing prevention air deflector cannot move and is always blocked on the air outlet, so that the long-distance air supply of the air conditioner is seriously influenced.
Accordingly, there is a need in the art for a new solution to the above problems.
Disclosure of Invention
In order to solve the above-mentioned problem that the direct blow preventing guide plate in the prior art affects the long-distance air supply of the air conditioner, the invention provides an air conditioner guide plate assembly, which comprises: the guide plate comprises an elongated plate body and rotating shaft joints symmetrically arranged on two ends of the elongated plate body, wherein the rotating shaft joints are positioned on the same axis and extend towards each other, and each rotating shaft joint comprises at least two guide rib plates which radially extend outwards from the body of the rotating shaft joint and are spaced from each other by the same angle; and a drive mechanism configured to rotatably fix the guide plate to a housing of an air conditioner and to drive the guide plate to rotate relative to the housing, the drive mechanism being provided with a hollow rotary shaft, a plurality of axial guide grooves evenly spaced apart being formed on a circumferential wall of the rotary shaft, each of the axial guide grooves being configured to receive any one of the guide ribs so that a body of the rotary shaft joint can be inserted into the rotary shaft.
As can be understood by those skilled in the art, in the air conditioner guide plate assembly of the present invention, an elongated guide plate and a driving mechanism capable of driving the guide plate to rotate are provided. Therefore, when the guide plate assembly is installed on the air conditioner for the blow-through prevention function, it is not necessary to fix the position of the outlet of the air conditioner. When a user needs the blow-through prevention function of the air conditioner, the guide plate can be driven to rotate to a blow-through prevention position located at the downstream of the air outlet through the driving mechanism; when a user does not need the direct blowing prevention function of the air conditioner, for example, the air conditioner needs to supply air remotely, the guide plate can be driven to the non-direct blowing prevention position far away from the air outlet through the driving mechanism, so that the remote air supply function of the air conditioner cannot be influenced. Symmetrical rotary shaft joints are arranged on two longitudinal ends of the guide plate, the rotary shaft joints are located on the same axis and extend towards each other, and each rotary shaft joint comprises at least two guide rib plates which extend outwards from the body of the rotary shaft joint in the radial direction and are spaced from each other by the same angle. Accordingly, the rotary shaft of each drive mechanism is formed with a plurality of axially directed guide grooves evenly spaced apart on its circumferential wall, each of which is configured to receive any one of the guide ribs. With this arrangement of the guide ribs and the axial guide grooves, the rotary shaft joint can be inserted into the rotary shaft not only easily but also from a plurality of mounting positions corresponding to the number of the guide ribs. Further, the relative rotation between the rotary shaft joint and the rotary shaft can be prevented by the guide rib received in each of the axial guide grooves.
In a preferred embodiment of the above air conditioner guide plate assembly, the rotary shaft joint includes four guide ribs arranged in a cross shape, and the rotary shaft is provided with four axial guide grooves each configured to receive any one of the four guide ribs.
In a preferred embodiment of the above air conditioner guide plate assembly, a connecting plate extending perpendicular to the elongated plate body is formed at each end of the elongated plate body, and the pivot joint extends perpendicularly outward from the connecting plate. When the air conditioner duct assembly is mounted on the housing of the air conditioner, the two connecting plates may extend on both longitudinal end walls of the housing to shield and protect the pivot joint and serve to join the pivot joint and the strip line board body together.
In a preferred embodiment of the air conditioner guide plate assembly, a cylindrical seat surrounding the rotary shaft joint is formed on each connecting plate, and the height of the cylindrical seat is lower than that of the rotary shaft joint. When the air conditioner duct assembly is mounted on the casing of the air conditioner, the cylindrical seat functions to cover the rotary shaft joint so that the rotary shaft joint is not visible from the outside. The cylindrical seat also cooperates with a corresponding location on the housing to allow rotation relative to the housing with rotation of the fence.
In the preferable technical scheme of the air conditioner guide plate assembly, the connecting plate is further provided with a limiting structure. When the air conditioner guide plate assembly is mounted on the air conditioner casing, the limiting structures can be matched with the limiting structures arranged on the two longitudinal end walls of the air conditioner casing so as to prevent the guide plate from rotating beyond a preset position range.
In a preferred embodiment of the above air conditioner guide plate assembly, the driving mechanism includes a motor, a pinion connected to a driving shaft of the motor, and a rack gear engaged with the pinion, and the rotating shaft is formed on the rack gear so that the motor can drive the rotating shaft to rotate. The motor drives the pinion to rotate, and the pinion drives the bull gear and the rotating shaft on the bull gear to rotate, so that the purpose of speed reduction can be achieved, and the guide plate is prevented from rotating too fast.
In a preferred embodiment of the above air conditioner guide plate assembly, the motor, the pinion gear, and the bull gear are disposed on a base plate configured to be mountable into a housing of the air conditioner. The motor, the pinion and the large gear are arranged on the bottom plate firstly, and then the bottom plate is arranged in the shell of the air conditioner, so that the driving mechanism can be conveniently arranged on the shell of the air conditioner.
In a preferred embodiment of the air conditioner guide plate assembly, each axial guide groove is provided with a flared guide opening. These guide openings help guide the guide ribs into the axial guide grooves, making the spindle hub easier to insert into the spindle.
The present invention also provides an air conditioner having a housing with an outlet opening and an air conditioning guide plate assembly according to the above, the guide plate being rotatably secured to the housing by the drive mechanism, the air conditioner being configured such that the guide plate is automatically driven by the drive mechanism to rotate between a blow-through prevention position downstream of the outlet opening and a non-blow-through prevention position remote from the outlet opening. The guide plate is automatically controlled by the driving mechanism to rotate between the direct-blowing prevention position at the downstream of the air outlet and the non-direct-blowing prevention position far away from the air outlet, so that the air conditioner can realize the direct-blowing prevention function and can also realize the remote air supply and dust prevention functions.
In a preferred embodiment of the above air conditioner, the air conditioner is configured to drive the guide plate to automatically return by the driving mechanism. Since each axial guide slot can receive any one of the guide ribs, the guide plate can have different mounting positions when connected to the drive mechanism. For example, with four guide ribs, the guide plate may have four different mounting positions; with three guide ribs, the guide plate can have three different mounting positions. The control system of the air conditioner may configure the guide plate with a predetermined initial position. The air conditioner control system automatically rotates the guide plate to a predetermined initial position by a driving mechanism regardless of the installation position from which the guide plate is installed on the air conditioner, and this process is called "guide plate auto-reset".
Drawings
Preferred embodiments of the present invention are described below with reference to the accompanying drawings, in which:
FIG. 1 is a schematic perspective view of an embodiment of the air conditioner of the present invention;
FIG. 2 is a schematic view of a guide plate of the air conditioner of the present invention in a hanging position;
FIG. 3 is a schematic view of a guide plate of the air conditioner of the present invention in a blow-through prevention position;
FIG. 4 is a schematic view of a guide plate of the air conditioner of the present invention in a dust-proof position;
FIG. 5 is a perspective view of an embodiment of a guide plate of the air conditioner guide plate assembly of the present invention;
FIG. 6 is an enlarged partial view of part A of the embodiment of the guide plate of the air conditioner guide plate assembly of the present invention shown in FIG. 5;
FIG. 7 is a perspective view of an embodiment of a driving mechanism of an air conditioner guide plate assembly according to the present invention.
List of reference numerals:
1. an air conditioner; 11. a housing; 12. an air conditioner guide plate assembly; 13. an air outlet; 14. an air inlet; 121. a guide plate; 122. a drive mechanism; 111. a left end wall; 112. a right end wall; 131. a first spacing rib; 132. a second spacing rib; 151. a body of the rotary shaft joint; 152. a guide rib plate; 211a, a first connecting plate; 211b, a second connecting plate; 212a, a first cylindrical seat; 212b, a second cylindrical seat; 213a, a first limit structure; 213b, a second limiting structure; 214. a strip-shaped plate body; 214a, a first end; 214b, a second end; 215a, a first rotating shaft joint; 215b, a second spindle connection; 221. a base plate; 221a, a support column; 222. a motor; 223. a pinion gear; 224. a bull gear; 225. a rotating shaft; 251. a circumferential wall; 252. an axial guide groove; 253. a guide port.
Detailed Description
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "front", "rear", "inner", "outer", "top", "bottom", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either directly or indirectly through intervening media, or through the communication between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In order to solve the technical problem that the existing direct blow prevention guide plate influences the long-distance air supply of an air conditioner, the invention provides an air conditioner guide plate assembly 12. The air conditioner guide plate assembly 12 includes: a guide plate 121, the guide plate 121 having an elongated plate body 214 and pivot joints 215a, 215b symmetrically disposed on both ends 214a, 214b of the elongated plate body 214, the pivot joints being located on the same axis and extending toward each other, each pivot joint including at least two guide ribs 152 extending radially outward from a body 151 of the pivot joint and spaced at the same angle from each other; and a driving mechanism 122, the driving mechanism 122 being configured to rotatably fix the guide plate 121 to the housing 11 of the air conditioner 1 and to drive the guide plate 121 to rotate with respect to the housing 11, the driving mechanism 122 being provided with a hollow rotating shaft 225, a plurality of axial guide grooves 252 being formed on a circumferential wall 251 of the rotating shaft 225 at regular intervals, each of the axial guide grooves 252 being configured to receive any one of the guide ribs 152 such that the body 151 of the rotating shaft joint can be inserted into the rotating shaft 225. Through the guide plate provided with the driving mechanism, the control system of the air conditioner can control the guide plate to automatically rotate between the blow-through preventing position located at the downstream of the air outlet and the non-blow-through preventing position far away from the air outlet so as to meet different requirements of users.
Fig. 1 is a perspective view schematically illustrating an air conditioner according to an embodiment of the present invention. As shown in fig. 1, in one or more embodiments, the air conditioner 1 is a wall-mounted indoor unit disposed indoors. Alternatively, the air conditioner 1 may be an integral air conditioner or other suitable form of air conditioner. The air conditioner 1 has a housing 11 and an air conditioning guide plate assembly 12 rotatably mounted on the housing 11. An air inlet 14 of the air conditioner 1 is formed at the top of the case 11. An air outlet 13 is formed at a lower portion of a front side (a side facing a user) of the housing 11. A wind deflector (not shown) for adjusting the wind outlet direction may be disposed in the wind outlet 13. The housing 11 has a left end wall 111 and a right end wall 112 that are symmetrical to each other. Based on the orientation shown in fig. 1, the longitudinal direction of the air conditioner 1 is a direction extending between the left end wall 111 and the right end wall 112. When the air conditioner is operated, air from a conditioned room or fresh air from an outdoor environment is drawn into the air conditioner 1 from the air intake 14 and flows through a heat exchanger (not shown in the drawings) within the air conditioner 1 to be cooled or heated. The cooled or heated air is fed from the outlet 13 into the conditioned space. The air conditioner guide plate assembly 12 includes a guide plate 121 and a driving mechanism 122 (see fig. 7). As shown in fig. 1, the guide plate 121 extends in the longitudinal direction of the air conditioner 1, and both end portions of the guide plate 121 are rotatably fixed to the left end wall 111 and the right end wall 112 of the casing 11 by a driving mechanism 122 (see fig. 7), respectively.
By means of the driving mechanism 122, the control system (not shown in the figures) of the air conditioner 1 can drive the guide plate 121 to rotate automatically between a blow-through prevention position downstream of the outlet mouth and a non-blow-through prevention position away from the outlet mouth. For example, as shown in fig. 3, the guide plate 121 is in a blow-through prevention position downstream of the outlet. When the cool air is blown out from the air outlet 13, the guide plate 121 is located in its outflow path, and thus the cool air will be blocked and forced to change flow direction to be blown out dispersedly from both longitudinal sides of the guide plate 121. Because the cold air flow is scattered by the guide plate 121, cold air cannot directly blow to a human body to cause discomfort, and the function of preventing cold air from blowing directly is achieved. In one or more embodiments, the non-blow-through prevention position away from the outlet vent includes a drop position and a dust prevention position. As shown in fig. 2, the guide plate 121 is in a hanging position. In the down position, the guide plate 121 is located substantially vertically below the housing 11. As shown in fig. 4, the guide plate 121 is in a dust-proof position. In the dust-proof position, the guide plate 121 is located above the air inlet 14 to block a portion of dust from falling into the air inlet 14. For example, when the air conditioner is not used for a long time, the air conditioner 1 may automatically rotate the guide plate 121 to the dust-proof position. In one or more embodiments, the control system of the air conditioner may further configure the guide plate 121 with an initial position, for example, a drooping position or a blow-through prevention position may be set as the initial position. The control system always automatically rotates the guide plate 121 to be reset to its initial position whenever the air conditioner is turned on. The position of the guide plate 121 may be detected by a position sensor (not shown in the drawings).
FIG. 5 is a perspective view of an embodiment of a guide plate 121 of the air conditioner guide plate assembly 12 of the present invention. As shown in fig. 5, in one or more embodiments, the guide plate 121 has an elongated plate body 214, and a first connecting plate 211a and a second connecting plate 211b integrally formed with the elongated plate body 214. Alternatively, the guide plate 121 may be injection molded from a suitable resin material. In one or more embodiments, the elongated plate body 214 is a substantially flat plate. Alternatively, the elongated plate body 214 may be formed in an arc shape to correspond to the arc shape of the air outlet 13. The first connecting plate 211a extends perpendicularly outwardly from the first end 214a of the elongated plate body 214. The second connecting plate 211b extends perpendicularly outwardly from the second end 214b of the elongated plate body 214. The first connection plate 211a and the second connection plate 211b are symmetrical to each other with respect to the elongated plate body 214. When the air conditioner guide plate assembly 12 is mounted on the air conditioner 1, the first connection plate 211a extends substantially parallel with respect to the left end wall 111 of the casing 11; the second connection plate 211b extends substantially parallel to the right end wall 112 of the housing 11.
As shown in fig. 5, a first rotary shaft joint 215a extending therefrom and a first cylindrical seat 212a surrounding the first rotary shaft joint 215a are formed on the first connecting plate 211 a; a second rotary shaft joint 215b extending therefrom and a second cylindrical seat 212b surrounding the second rotary shaft joint 215b are formed on the second connecting plate 211 b. The first and second rotary shaft joints 215a and 215b are symmetrical to each other with respect to the elongated plate body 214, and the first and second cylindrical seats 212a and 212b are also symmetrical to each other with respect to the elongated plate body 214. Specifically, the first and second spindle connections 215a and 215b extend toward each other on the same axis for the same first distance. The first and second cylindrical seats 212a and 212b are located on the same axis as the first and second rotary shaft joints 215a and 215 b. The first and second cylindrical seats 212a, 212b also extend the same second distance along the axis toward each other. The second distance is less than the first distance so as to expose a corresponding spindle joint of sufficient height. When the air conditioner guide plate assembly 12 is mounted on the air conditioner 1, the first pivot joint 215a extends into the housing 11 from a corresponding hole (not shown) in the left end wall 111 of the housing 11; the second pivot joint 215b extends into the housing 11 from a corresponding hole (not shown) in the right end wall 112 of the housing 11; first cylindrical seat 212a abuts the outside of left end wall 111 but is allowed to rotate with respect to left end wall 111; the second cylindrical seat 212b abuts the outside of the right end wall 112 but is allowed to rotate relative to the right end wall 112.
As shown in fig. 6, in one or more embodiments, the first and second spindle connectors 215a and 215b each include a body 151 and four guide ribs 152 extending radially outward from the body 151 and spaced at the same angle from each other. The adjacent guide ribs 152 form an angle of 90 ° therebetween, so that the pivot joint has a cross shape. The portions where the four guide ribs 152 intersect form the body 151 of the rotary shaft joint. Alternatively, the body 151 may be a generally cylindrical body or other suitable cylindrical body. Alternatively, each pivot joint may be provided with two guide ribs spaced at 180 ° from each other (forming a "one" configuration), three guide ribs spaced at 120 ° from each other (forming a "Y" configuration), or six guide ribs spaced at 60 ° from each other (forming an "one" configuration).
As shown in fig. 6, in one or more embodiments, a first stop structure 213a is formed on the first connection plate 211a and a second stop structure 213b is formed on the second connection plate 211 b. The first limiting structure 213a is located on the same side of the first connecting plate 211a as the first pivot joint 215a, and the second limiting structure 213b is located on the same side of the second connecting plate 211b as the second pivot joint 215 b. When the air conditioner guide plate assembly 12 is mounted on the air conditioner 1, the first stopper structure 213a extends toward the left end wall 111 of the case 11, and the second stopper structure 213b extends toward the right end wall 112 of the case 11. Stop structures that cooperate with the first stop structure 213a and the second stop structure 213b are provided on the left end wall 111 and the right end wall 112 of the housing 11, respectively, for preventing the guide plate 121 from rotating beyond its position range. As shown in fig. 6, in one or more embodiments, each of the spacing structures has a plate-like structure extending radially outward from the outer wall of the corresponding cylindrical seat, and a first spacing rib 131 and a second spacing rib 132 formed on the plate-like structure. The first and second restriction ribs 131 and 132 are parallel to each other. Alternatively, the stop structure of the present invention may take other suitable forms. When the air conditioner 1 is turned on, the guide plate 121 may be first driven to rotate downward for resetting, and when the guide plate 121 rotates to the sagging position, the limiting structure on the guide plate 121 contacts the limiting structure on the housing 11, and the guide plate 121 stops rotating accordingly, completing the resetting process.
FIG. 7 is a perspective view of an embodiment of a driving mechanism of an air conditioner guide plate assembly according to the present invention. As shown in fig. 7, in one or more embodiments, the drive mechanism 122 includes a base 221, and a motor 222, a pinion gear 223, and a bull gear 224 mounted on the same side of the base 221. A cylindrical rotating shaft 225 is provided on an axial end surface of the large gear 224 facing away from the bottom plate 221. A drive shaft (not shown) of the motor 222 is connected to the pinion 223 so as to drive the pinion 223 to rotate. The small gear 223 is engaged with the large gear 224, so that when the small gear 223 rotates, the large gear 224 and the rotating shaft 225 thereon rotate together, but the rotating speed of the large gear 224 is lower than that of the small gear, so that the rotating shaft 225 can rotate at a proper speed. Alternatively, the drive mechanism 122 may employ a suitable configuration of only one gear or other suitable drive arrangement (e.g., a cam gear arrangement). In one or more embodiments, as shown in FIG. 7, the shaft 225 is hollow and cylindrical. Four axial guide grooves 252 are formed on the circumferential wall 251 of the rotary shaft 225 at regular intervals to correspond to the four guide ribs 152 on the rotary shaft joint. Each axial guide slot 252 is configured to receive any one of the four guide ribs 152. Therefore, when the spindle joint is assembled with the spindle 225, the guide plate 121 can have four different mounting positions (i.e., the same guide rib 152 can be inserted into any one of the four axial guide grooves 252). Therefore, the air conditioner 1 may be configured with a function of automatically resetting the guide plate 121, that is, a control system of the air conditioner may automatically turn the guide plate 121 to a predetermined reset position by the driving mechanism 122 regardless of which installation position the guide plate 121 is connected to the rotation shaft 225 from. The number of axial guide slots 252 may be the same as the number of guide ribs 152. In one or more embodiments, as shown in fig. 7, each axial guide slot 252 has an outwardly flared guide opening 253. These guide openings 253 can help guide the guide ribs 152 into the corresponding axial guide grooves 252, thus making the docking of the rotary shaft joint with the rotary shaft 225 easier.
When the air conditioner guide plate assembly 12 is mounted on the air conditioner 1, the driving mechanism 122 is fixed to the inside of the casing 11 at positions corresponding to the left and right end walls 111 and 112, respectively. The pivot joints on the guide plate 121 are inserted from the left end wall 111 and the right end wall 112, respectively, so that each guide rib 152 is insertable into one of the axial guide grooves 252 on the pivot 225. Thus, the guide plate 121 can be rotatably mounted to the housing 11 by the driving mechanism 122. As shown in fig. 7, in one or more embodiments, in order to form a sufficient space between the bottom plate 221 and the case 11 of the air conditioner, a plurality of support pillars 221a are further formed on the bottom plate 221. The supporting column 221a is located on the same side of the base plate 221 as the large gear 224 and the small gear 223, and thus can protect the driving mechanism 122.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, a person skilled in the art may combine technical features of different embodiments, and may make equivalent changes or substitutions for related technical features, and such changes or substitutions will fall within the scope of the present invention.

Claims (9)

1. An air conditioner, characterized in that the air conditioner comprises:
the air conditioner comprises a shell, wherein an air outlet is formed in the shell; and
an air conditioner guide plate assembly, the air conditioner guide plate assembly includes:
the guide plate comprises an elongated plate body and rotating shaft joints symmetrically arranged on two ends of the elongated plate body, wherein the rotating shaft joints are positioned on the same axis and extend towards each other, and each rotating shaft joint comprises at least two guide rib plates which radially extend outwards from the body of the rotating shaft joint and are spaced from each other by the same angle; and
a drive mechanism provided with a hollow rotary shaft, a plurality of axial guide grooves evenly spaced apart formed on a circumferential wall of the rotary shaft, each of the axial guide grooves being configured to receive any one of the guide ribs so that a body of the rotary shaft joint can be inserted into the rotary shaft,
wherein the guide plate extends along the length direction of the air conditioner, and two end portions of the guide plate are rotatably fixed to the outer sides of the left and right end walls of the housing by the driving mechanism, respectively, so that the driving mechanism can automatically drive the guide plate to rotate between a blow-through preventing position located downstream of the air outlet and a blow-through preventing position away from the air outlet.
2. The air conditioner of claim 1, wherein the spindle joint includes four guide ribs arranged in a cross shape, and the spindle is provided with four axial guide grooves each configured to receive any one of the four guide ribs.
3. The air conditioner according to claim 1 or 2, wherein a connecting plate extending perpendicularly to the elongated plate body is formed on each end of the elongated plate body, and the rotation shaft joint extends perpendicularly outwardly from the connecting plate.
4. The air conditioner according to claim 3, wherein a cylindrical seat surrounding the rotation shaft joint is formed on each connection plate, and the height of the cylindrical seat is lower than that of the rotation shaft joint.
5. The air conditioner according to claim 3, wherein a limit structure is further provided on the connection plate.
6. The air conditioner according to claim 1 or 2, wherein the driving mechanism includes a motor, a pinion gear connected to a driving shaft of the motor, and a gear wheel engaged with the pinion gear, and the rotation shaft is formed on the gear wheel such that the motor can drive the rotation shaft to rotate.
7. The air conditioner of claim 6, wherein the motor, pinion gear, and bull gear are all disposed on a base plate configured to be mountable into a housing of the air conditioner.
8. An air conditioner according to claim 1 or 2, wherein each of the axial guide grooves is provided with a guide port of a flared trumpet shape which is flared outward.
9. The air conditioner of claim 1, wherein the air conditioner is configured such that the guide plate is automatically resettable by the drive mechanism.
CN202011192283.6A 2020-10-30 2020-10-30 Air conditioner baffle subassembly and have its air conditioner Active CN112413870B (en)

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