CN112432234B - Air conditioner indoor unit - Google Patents
Air conditioner indoor unit Download PDFInfo
- Publication number
- CN112432234B CN112432234B CN202011133282.4A CN202011133282A CN112432234B CN 112432234 B CN112432234 B CN 112432234B CN 202011133282 A CN202011133282 A CN 202011133282A CN 112432234 B CN112432234 B CN 112432234B
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- Prior art keywords
- pin
- indoor unit
- pin shaft
- sleeve
- vertical air
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- 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
- F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
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- 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
- F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
- F24F1/005—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted on the floor; standing on the floor
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- 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
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- 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
- F24F13/1413—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre using more than one tilting member, e.g. with several pivoting blades
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- 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
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- 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
- F24F13/1486—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 bearings, pivots or hinges
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- 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
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- 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 invention provides an air-conditioning indoor unit, comprising: an air-conditioning indoor unit main body; at least one vertical air deflector; the pin sleeves are correspondingly connected with the upper ends of the vertical air deflectors one by one; the lower end of at least one first pin shaft supported on the main body of the indoor unit of the air conditioner is correspondingly inserted into each pin sleeve, and the arrangement is that after the first pin shaft is inserted in place, the first pin shaft axially limits and circumferentially limits the pin sleeve so as to hang and hold the vertical air deflector through the pin sleeve. The vertical air deflector has the advantages that under the matching action of the first pin shaft and the pin sleeve, the first pin shaft can suspend the vertical air deflector through the pin sleeve, so that the vertical air deflector is prevented from sinking under the action of self gravity, and the blocking of the vertical air deflector in the rotating process is obviously reduced.
Description
Technical Field
The invention relates to the field of air conditioners, in particular to an air conditioner indoor unit.
Background
The vertical air conditioner indoor unit is popular among users due to the advantages of high power, strong wind power and the like.
In the prior art, a vertical air conditioner indoor unit comprises a framework, air outlets are formed in two sides of the front end of the framework, a vertical air deflector is installed in each air outlet, pin shafts are fixed to the upper end and the lower end of each vertical air deflector, and the pin shafts are inserted into the framework and connected with the framework.
The above prior art solutions have the following drawbacks: after the vertical air deflector is used for a period of time, the vertical air deflector is easy to sink under the action of self gravity, so that the vertical air deflector is blocked in the rotating process. In addition, the vertical air deflectors are connected through connecting rods mostly, one vertical air deflector is driven by the motor to drive other vertical air deflectors to follow up, and in the mode, the vertical air deflector often has the problem of asynchronous rotation, so that air supply cannot be comfortable, the use experience of a user is influenced, and the improvement is needed.
Disclosure of Invention
In view of the above problems, the present invention has been made to provide an air conditioning indoor unit that overcomes or at least partially solves the above problems.
The invention aims to solve the problem of sinking of the vertical air deflector and avoid the vertical air deflector from being blocked in the rotating process.
Another further object of the present invention is to improve the air blowing effect by driving a plurality of vertical air deflectors to rotate synchronously by a single motor.
In particular, the present invention provides an indoor unit of an air conditioner, comprising:
an air-conditioning indoor unit main body;
at least one vertical air deflector;
the pin sleeves are correspondingly connected with the upper ends of the vertical air deflectors one by one;
the lower end of at least one first pin shaft supported on the main body of the indoor unit of the air conditioner is correspondingly inserted in each pin sleeve, and the vertical air deflector is hung through the pin sleeves by the first pin shaft which is configured to axially limit and circumferentially limit the pin sleeves after the first pin shaft is inserted in place.
Furthermore, the inner cavity of the pin sleeve is in a step hole shape with the pore diameter of the upper end larger than that of the lower end, a bayonet communicated with the inner cavity of the pin sleeve is arranged on the outer peripheral wall of the lower end of the pin sleeve, and a protruding part extending towards the inner cavity of the pin sleeve is arranged on the wall part of the pin sleeve above the bayonet;
the first pin shaft is in a step shaft shape and comprises a first section and a second section which are arranged up and down, the diameter of the second section is smaller than that of the first section, a processing plane arranged along the axial direction of the first pin shaft is arranged on the outer wall of the second section, a clamping block protruding outwards from the processing plane is arranged at the lower end of the second section, the transverse width of the clamping block is the same as that of the bayonet, and a force unloading groove extending upwards from the bottom surface of the second section is arranged in the second section;
the first pin is configured to: when the lower end of the first pin shaft penetrates into the pin sleeve from top to bottom, the clamping block is gradually retracted towards the force unloading groove under the extrusion of the protruding part, and finally is popped out from the bayonet so that the top surface of the clamping block is abutted against the upper edge of the bayonet to form limiting.
Further, the upper end of the protruding part is provided with an inclined downward slope, and the lower end of the clamping block is provided with a cambered surface arched downwards.
Further, after the first pin shaft is inserted in place, the gap between the protruding part and the processing plane of the first pin shaft is 0.4-0.8 mm.
Furthermore, the number of the vertical air deflectors, the number of the pin sleeves and the number of the first pin shafts are at least two;
the air-conditioning indoor unit main body comprises a framework, an air outlet is formed in the front side of the framework, the vertical air deflector is positioned at the air outlet, the lower end of each first pin shaft vertically penetrates through the framework downwards, and the upper end of each first pin shaft is positioned above the framework;
the air conditioning indoor unit further comprises:
the at least two first gears are respectively fixed at the upper end of each first pin shaft;
and the rack is positioned on the same side of each first gear, is meshed with each first gear, and is configured to drive each vertical air deflector to synchronously rotate through the meshing with each first gear.
Furthermore, the air conditioner indoor unit further comprises a motor, and the motor is connected with one of the first gears;
the motor is configured to drive a first gear connected with the motor to rotate, and the first gear is meshed with the rack to drive other first gears to rotate, so that each vertical air deflector is driven to synchronously rotate.
Furthermore, the air-conditioning indoor unit also comprises a motor and a second gear connected with the motor, and the second gear is meshed with the rack;
the motor is configured to drive the second gear to rotate so as to drive the rack to move, so that the rack drives the first gears to rotate, and further drives the vertical air deflectors to synchronously rotate.
Furthermore, a blocking sleeve is fixed on the top surface of the framework at a position corresponding to each first pin shaft, and a limiting notch is formed in the outer peripheral wall of the blocking sleeve;
each first pin shaft is fixedly sleeved with a limiting ring below the gear, the outer diameter of the limiting ring is smaller than the inner diameter of the retaining sleeve, the outer edge of the limiting ring is provided with a limiting lug extending outwards horizontally, the limiting ring is positioned on the inner side of the retaining sleeve, and the limiting lug is positioned in the limiting notch;
the retaining sleeve and the limiting ring are configured as follows: in the rotating process of the vertical air deflector, the limiting lug is limited to rotate between the two side edges of the limiting notch so as to control the maximum rotating angle of the vertical air deflector.
Further, be provided with two parallel limiting plates that are located the below both sides of rack on the top surface of skeleton, be formed with the spout between two limiting plates, the lower extreme rigid coupling of rack has the slider with spout looks adaptation.
Furthermore, the lower end of each vertical air deflector is connected with a second pin shaft, and the second pin shaft is connected with the main body of the indoor unit of the air conditioner;
the air-conditioning indoor unit further comprises a shaft sleeve, and the shaft sleeve is embedded in the joint of the second pin shaft and the air-conditioning indoor unit main body and is in clearance fit with the second pin shaft.
According to the air conditioner indoor unit, the pin sleeve is fixed at the upper end of the vertical air deflector, the first pin shaft is inserted into the pin sleeve and axially limits the pin sleeve, so that the first pin shaft can be used for hanging the vertical air deflector through the pin sleeve, and the vertical air deflector can be prevented from sinking under the action of self gravity.
Furthermore, in the invention, because the first pins at the upper ends of the vertical air deflectors are sleeved with the first gears, the framework is provided with the racks which are meshed with the first gears, the racks are driven by the motor to move, or at least one of the first gears is driven to rotate, so that the first gears can be driven to rotate simultaneously, and further, the vertical air deflectors can rotate synchronously, and the comfortable air supply of the indoor unit of the air conditioner is realized.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a schematic view of the overall structure of an indoor unit of an air conditioner according to an embodiment of the present invention;
FIG. 2 is a schematic view of an installation structure of the vertical wind deflector according to an embodiment of the present invention;
fig. 3 is a schematic structural view of the pin bush as viewed from above the pin bush;
FIG. 4 is a schematic structural view of a first pin;
fig. 5 is a schematic cross-sectional view showing a first pin and pin bush connecting structure;
FIG. 6 is a schematic partial enlarged view of portion A of FIG. 5;
FIG. 7 is an exploded view of a first gear, rack and motor mounting arrangement according to one embodiment of the present invention;
FIG. 8 is an exploded view of the mounting of the first gear, second gear, rack and motor according to another embodiment of the present invention;
fig. 9 is a schematic enlarged view for showing a rack mounting structure;
1. an air-conditioning indoor unit main body; 11. a framework; 12. an air outlet; 13. a limiting plate; 14. a chute; 15. a column; 2. a vertical air deflector; 21. a pin bush; 211. a bayonet; 212. a protrusion; 213. a bevel; 22. a first pin shaft; 221. a first stage; 222. a second stage; 223. processing a plane; 224. a force unloading groove; 225. a clamping block; 226. a cambered surface; 227. a circular groove; 23. a second pin shaft; 24. a shaft sleeve; 3. a first gear; 4. a second gear; 5. a rack; 51. a slider; 6. a motor; 61. an ear plate; 7. a blocking sleeve; 71. a limiting notch; 8. a limiting ring; 81. and a limiting bump.
Detailed Description
In order to solve at least one of the above technical problems, an embodiment of the present invention provides an indoor unit of an air conditioner. The air conditioning indoor unit of the present invention may be, for example, a vertical type on-hook of an air conditioner.
Fig. 1 is a schematic view of an overall structure of an air conditioning indoor unit according to an embodiment of the present invention. Fig. 2 is a schematic view illustrating an installation structure of the vertical wind deflector according to an embodiment of the present invention.
The air conditioning indoor unit may generally include: the air-conditioning indoor unit main body 1 and the at least one vertical air deflector 2 may further include: the pin sleeves 21 and the first pin shafts 22 correspond to the vertical air deflectors 2 one by one. Wherein, the lower end of the pin bush 21 is fixedly connected with the upper end of the vertical air deflector 2. The upper end of the first pin shaft 22 is supported in the air-conditioning indoor unit main body 1, the lower end of the first pin shaft 22 is correspondingly inserted in the pin sleeve 21, and after the first pin shaft 22 is inserted in place, the first pin shaft 22 can axially limit and circumferentially limit the pin sleeve 21, so that the first pin shaft 22 can lift the vertical air deflector 2 through the pin sleeve 21 to limit the vertical air deflector 2 to move downwards, the vertical air deflector 2 is effectively prevented from sinking under the action of self gravity, and the blocking and stopping of the vertical air deflector 2 in the rotating process are obviously reduced.
In one embodiment, the lower end of each vertical air deflector 2 is further connected with a second pin shaft 23 correspondingly, the second pin shaft 23 is connected with the air conditioning indoor unit main body 1 in a manner of being supported in the air conditioning indoor unit main body 1, a shaft sleeve 24 is embedded at the joint of the second pin shaft 23 and the air conditioning indoor unit main body 1, and the second pin shaft 23 is in clearance fit with the shaft sleeve 24. The sleeve 24 may be made of POM (Polyoxymethylene). The bush 24 made of POM has good wear resistance, and can prevent the second pin 23 from wearing the air conditioner indoor unit main body 1 in the rotating process.
Fig. 3 is a schematic structural view of the pin bush 21 when viewed from above the pin bush 21, the inner cavity of the pin bush 21 is in a stepped hole shape having an upper end hole diameter larger than a lower end hole diameter, a bayonet 211 communicating with the inner cavity of the pin bush 21 is opened on the outer peripheral wall of the lower end of the pin bush 21, and a wall portion of the pin bush 21 above the bayonet 211 has a projection 212 extending toward the inner cavity of the pin bush 21.
Fig. 4 is a schematic structural diagram of the first pin 22, the first pin 22 is in a step shaft shape and includes a first section 221 and a second section 222 which are arranged up and down, the diameter of the second section 222 is smaller than that of the first section 221, a processing plane 223 arranged along the axial direction of the first pin 22 is arranged on the outer wall of the second section 222, a fixture block 225 protruding outwards from the processing plane 223 is arranged at the lower end of the second section 222, the transverse width of the fixture block 225 is the same as that of the bayonet 211, and the second section 222 is further provided with a force-releasing groove 224 extending vertically upwards from the bottom surface of the second section 222.
During the installation process, the lower end of the first pin 22 is inserted into the pin sleeve 21 from top to bottom, and the latch 225 is gradually retracted toward the force-releasing slot 224 by being pressed by the protrusion 212, and finally ejected from the bayonet 211. The top surface of the fixture block 225 is abutted against the upper edge of the bayonet 211 to form a limit, so that the first pin 22 can suspend the vertical air deflector 2 through the pin bush 21, and the vertical air deflector 2 is prevented from sinking. Because the transverse width of the fixture block 225 is the same as that of the bayonet 211, in the process of driving the first pin 22 to rotate, the first pin 22 can drive the vertical air deflector 2 to rotate stably through the cooperation of the fixture block 225 and the bayonet 211.
Referring to fig. 3 and 4, in order to smoothly mount the latch 225 in place, an inclined surface 213 may be formed at an upper end of the protrusion 212 to be inclined downward, and a curved surface 226 may be formed at a lower end of the latch 225 to be curved downward. During installation, the arc surface 226 of the lower end of the latch 225 can abut against the inclined surface 213 of the protrusion 212 and is inserted downwards along the inclined surface 213, so that the frictional resistance in the insertion process is reduced, and the installation process is more convenient and smoother.
Referring to fig. 5 and 6, further, after the first pin 22 is inserted in place, the gap between the protruding portion 212 and the processing plane 223 of the first pin 22 may be set to be 0.4-0.8mm, so that on one hand, the installation difficulty can be reduced, on the other hand, the disassembly difficulty can be reduced, and the vertical air deflector 2 is convenient to replace and maintain in the later period.
In order to save material, the second section 222 of the first pin 22 may be designed as a hollow structure, and a circular groove 227 arranged along the axial direction of the second section is machined at the bottom of the hollow structure.
Referring back to fig. 1, in an embodiment of the present invention, the air conditioning indoor unit main body 1 may include a frame 11, the frame 11 has an air outlet 12 at a front side thereof, and the vertical air deflector 2 is located at the air outlet 12. In this embodiment, the number of the vertical air deflector 2, the pin sleeve 21 and the first pin 22 is at least two. The lower end of each first pin 22 vertically passes through the framework 11 downwards, and the upper end is located above the framework 11. Machine still includes in the air conditioning: at least two first gears 3 and a rack 5, at least two first gears 3 are fixed on the upper end of each first pin 22 respectively. The rack 5 is located on the same side as each first gear 3 and is engaged with each first gear 3. Through the meshing of the rack 5 and each first gear 3, each vertical air deflector 2 can be driven to synchronously rotate, so that the effect of comfortable air supply is achieved.
In a specific embodiment, two air outlets 12 may be provided at the front side of the frame 11. For each air outlet 12, at least two vertical air deflectors 2 (specifically, two vertical air deflectors 2) are correspondingly arranged, and a pin bush 21, a first pin 22, a first gear 3 and a rack 5 corresponding to the at least two vertical air deflectors 2. The at least two vertical air deflectors 2 at each air outlet 12 are driven by the meshing of the corresponding first gear 3 and the rack 5.
Referring to fig. 7, in one embodiment, the air conditioning indoor unit further includes a motor 6, and the motor 6 may be connected to one of the first gears 3. That is, one of the first gears 3 is connected to the motor 6 as a driving wheel, and the other is a driven wheel. The motor 6 drives the first gear 3 connected with the motor 6 to rotate, and the first gear 3 is meshed with the rack 5 to drive other first gears 3 to rotate, so that each vertical air deflector 2 is driven to synchronously rotate.
Referring to fig. 8, in another embodiment, the air conditioning indoor unit may further include a second gear 4 connected to the motor 6. The second gear 4 is engaged with the rack 5, and may be located on the same side of the rack 5 as the first gear 3 or on the opposite side of the rack 5 from the first gear 3. In this case, the second gear 4 functions as a driving wheel and the first gear 3 functions as a driven wheel. The motor 6 drives the second gear 4 to rotate so as to drive the rack 5 to move, so that the rack 5 drives each first gear 3 to rotate, and further drives each vertical air deflector 2 to synchronously rotate.
In one embodiment, the both sides of motor 6 are connected with otic placode 61, are connected with the stand 15 that supports otic placode 61 on the skeleton 11, and motor 6 can erect between two stands 15 with vertical ascending or vertical decurrent gesture, and concrete mode can design by oneself according to actual need to can satisfy drive each first gear 3 synchronous rotation can.
Referring to fig. 9, in one embodiment, a retaining sleeve 7 is fixed on the top surface of the frame 11 at a position corresponding to each first pin 22, and a limiting notch 71 is formed on the outer peripheral wall of the retaining sleeve 7. Each first pin 22 is fixedly sleeved with a limiting ring 8 below the gear, the outer diameter of the limiting ring 8 is smaller than the inner diameter of the retaining sleeve 7, the outer edge of the limiting ring 8 is provided with a limiting bump 81 extending outwards horizontally, the limiting ring 8 is located on the inner side of the retaining sleeve 7, and the limiting bump 81 is located in the limiting notch 71. The retaining sleeve 7 and the limiting ring 8 are configured as follows: during the rotation of the vertical air deflector 2, the limit bump 81 is limited to rotate between the two side edges of the limit notch 71 to control the maximum rotation angle of the vertical air deflector 2. It should be noted that, when the vertical air deflector 2 swings to the maximum angle, the limit bump 81 abuts against the side edge of the limit notch 71, and at this time, the motor 6 idles, so that the sliding block 51 at the lower end of the rack 5 is prevented from being separated from the sliding groove 14 due to an excessively large swing angle, and the smooth operation of the indoor unit of the air conditioner is ensured.
Referring to fig. 9, in an embodiment, two parallel limiting plates 13 are disposed on the top surface of the framework 11 and located on two sides below the rack 5, a sliding slot 14 is formed between the two limiting plates 13, and a sliding block 51 adapted to the sliding slot 14 is fixedly connected to the lower end of the rack 5. In the process that the rack 5 and the first gear 3 or the vertical air deflector 2 is driven by the meshing of the first gear 3 and the second gear 4 to swing, the limiting plate 13 can limit the sliding block 51 from two sides, so that the rack 5 can move stably along the sliding groove 14, and the rack 5 is prevented from being separated from the first gear 3 in the moving process.
According to any one or a combination of multiple optional embodiments, the embodiment of the present invention can achieve the following advantages:
in the air conditioning indoor unit according to the embodiment of the present invention, the fixture block 225 on the first pin 22 is matched with the protrusion 212 in the pin bushing 21, so that the first pin 22 can suspend the vertical air deflector 2 through the pin bushing 21, and the vertical air deflector 2 is prevented from sinking. In addition, in the air-conditioning indoor unit according to the embodiment of the present invention, the first gear 3 is sleeved on the first pin 22 at the upper end of each vertical air deflector 2, the rack 5 engaged with each first gear 3 is installed on the framework 11, and the rack 5 is driven to move by the motor 6, or at least one of the first gears 3 is driven to rotate, so that each first gear 3 can be driven to rotate simultaneously, and further each vertical air deflector 2 can rotate synchronously, thereby realizing comfortable air supply of the air-conditioning indoor unit.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the invention may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the invention. Accordingly, the scope of the invention should be understood and interpreted to cover all such other variations or modifications.
Claims (9)
1. An indoor unit of an air conditioner, comprising:
an air-conditioning indoor unit main body;
at least one vertical air deflector;
the pin sleeves are correspondingly connected with the upper ends of the vertical air deflectors one by one;
the lower end of at least one first pin shaft supported on the main body of the indoor unit of the air conditioner is correspondingly inserted into each pin sleeve, and the arrangement is that after the first pin shaft is inserted in place, the first pin shaft axially and circumferentially limits the pin sleeves so as to suspend the vertical air deflector through the pin sleeves;
the inner cavity of the pin sleeve is in a step hole shape with the upper end aperture larger than the lower end aperture, a bayonet communicated with the inner cavity of the pin sleeve is arranged on the outer peripheral wall of the lower end of the pin sleeve, and a protruding part extending towards the inner cavity of the pin sleeve is arranged on the wall part of the pin sleeve above the bayonet;
the first pin shaft is in a step shaft shape and comprises a first section and a second section which are arranged up and down, the diameter of the second section is smaller than that of the first section, a processing plane arranged along the axial direction of the first pin shaft is arranged on the outer wall of the second section, a clamping block protruding outwards from the processing plane is arranged at the lower end of the second section, the transverse width of the clamping block is the same as that of the bayonet, and the second section is also provided with a force unloading groove vertically extending upwards from the bottom surface of the second section;
the first pin is configured to: when the lower end of the first pin shaft penetrates into the pin sleeve from top to bottom, the clamping block is extruded by the protruding portion and gradually retracted towards the force unloading groove, and finally popped out from the bayonet so that the top surface of the clamping block is abutted against the upper edge of the bayonet to form limiting.
2. The indoor unit of an air conditioner according to claim 1, wherein the upper end of the protrusion has a slope inclined downward, and the lower end of the latch has a downwardly arched surface.
3. The indoor unit of an air conditioner according to claim 1, wherein a gap between the protrusion and the processing plane of the first pin is 0.4-0.8mm after the first pin is inserted in place.
4. The indoor unit of claim 1, wherein the number of the vertical type air deflector, the pin bushing and the first pin shaft is at least two;
the air-conditioning indoor unit main body comprises a framework, an air outlet is formed in the front side of the framework, the vertical air deflector is positioned at the air outlet, the lower end of each first pin shaft vertically penetrates through the framework downwards, and the upper end of each first pin shaft is positioned above the framework;
the air-conditioning indoor unit further comprises:
the at least two first gears are respectively fixed at the upper end of each first pin shaft;
and the rack is positioned on the same side of each first gear, is meshed with each first gear, and is configured to drive each vertical air deflector to synchronously rotate through the meshing with each first gear.
5. The indoor unit of claim 4, further comprising a motor connected to one of the first gears;
the motor is configured to drive the first gear connected with the motor to rotate, and the first gear is meshed with the rack to drive other first gears to rotate, so that the vertical air deflectors are driven to synchronously rotate.
6. The indoor unit of claim 4, further comprising a motor and a second gear connected to the motor, wherein the second gear is engaged with the rack;
the motor is configured to drive the second gear to rotate so as to drive the rack to move, so that the rack drives the first gears to rotate, and further drives the vertical air deflectors to synchronously rotate.
7. The indoor unit of an air conditioner according to claim 4, wherein a blocking sleeve is fixed to a top surface of the frame at a position corresponding to each of the first pin shafts, and a limiting notch is formed in an outer peripheral wall of the blocking sleeve;
a limiting ring is fixedly sleeved on each first pin shaft below the gear, the outer diameter of the limiting ring is smaller than the inner diameter of the retaining sleeve, a limiting convex block extending outwards horizontally is arranged on the outer edge of the limiting ring, the limiting ring is positioned on the inner side of the retaining sleeve, and the limiting convex block is positioned in the limiting notch;
the retaining sleeve and the limiting ring are configured as follows: in the rotating process of the vertical air deflector, the limiting lug is limited to rotate between two side edges of the limiting notch so as to control the maximum rotating angle of the vertical air deflector.
8. The indoor unit of an air conditioner as claimed in claim 4, wherein two parallel limiting plates are disposed on the top surface of the frame and located on two sides below the rack, a sliding groove is formed between the two limiting plates, and a sliding block matched with the sliding groove is fixedly connected to the lower end of the rack.
9. The indoor unit of an air conditioner according to claim 1, wherein a second pin shaft is connected to a lower end of each of the vertical air deflectors, and the second pin shaft is connected to the indoor unit main body;
the air-conditioning indoor unit further comprises a shaft sleeve, and the shaft sleeve is embedded in the joint of the second pin shaft and the air-conditioning indoor unit main body and is in clearance fit with the second pin shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011133282.4A CN112432234B (en) | 2020-10-21 | 2020-10-21 | Air conditioner indoor unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011133282.4A CN112432234B (en) | 2020-10-21 | 2020-10-21 | Air conditioner indoor unit |
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| CN112432234A CN112432234A (en) | 2021-03-02 |
| CN112432234B true CN112432234B (en) | 2022-06-14 |
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| Publication number | Publication date |
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| CN112432234A (en) | 2021-03-02 |
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