CN212511452U - Air conditioner indoor unit and air conditioner - Google Patents

Air conditioner indoor unit and air conditioner Download PDF

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Publication number
CN212511452U
CN212511452U CN202021078183.6U CN202021078183U CN212511452U CN 212511452 U CN212511452 U CN 212511452U CN 202021078183 U CN202021078183 U CN 202021078183U CN 212511452 U CN212511452 U CN 212511452U
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China
Prior art keywords
transmission shaft
reversing
shaft
transmission
sleeved
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CN202021078183.6U
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Chinese (zh)
Inventor
康铁生
陈良锐
覃强
汪先送
谢鹏
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Midea Group Co Ltd
GD Midea Air Conditioning Equipment Co Ltd
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Midea Group Co Ltd
GD Midea Air Conditioning Equipment Co Ltd
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Priority to CN202021078183.6U priority Critical patent/CN212511452U/en
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Abstract

The utility model discloses a machine and air conditioner in air conditioning, machine includes in the air conditioning: the shell is provided with two air outlets and two air ducts which are respectively communicated with the two air outlets correspondingly; the first wind wheel and the second wind wheel are respectively and correspondingly arranged on the two air channels; the transmission assembly comprises a first transmission shaft, a second transmission shaft and a reversing assembly, the first transmission shaft is connected to the first wind wheel, the second transmission shaft is connected to the second wind wheel, and the reversing assembly is connected with the first transmission shaft and the second transmission shaft so that the first transmission shaft and the second transmission shaft can synchronously rotate towards opposite directions. The utility model discloses machine in air conditioning makes first transmission shaft and second transmission shaft can be towards opposite direction synchronous revolution through the switching-over subassembly to only need a drive arrangement to drive first transmission shaft, secondary drive axle or switching-over subassembly, can make two wind wheels towards opposite direction synchronous revolution, with the realization by single drive arrangement drive two wind wheels, reduced drive arrangement's quantity, reduced the manufacturing cost of machine in the air conditioning.

Description

Air conditioner indoor unit and air conditioner
Technical Field
The utility model relates to an air conditioning technology field, in particular to machine and air conditioner in air conditioning.
Background
In a traditional double-cross-flow air conditioner indoor unit, two wind wheels are driven to rotate by two driving devices respectively, so that electric control components in the air conditioner indoor unit are too many, and the cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an indoor set of air conditioning, aim at solving the technical problem who how to reduce the indoor set cost of air conditioning.
In order to achieve the above object, the utility model provides an indoor unit of air conditioner includes:
the shell is provided with two air outlets and two air ducts which are respectively communicated with the two air outlets correspondingly;
the first wind wheel and the second wind wheel are respectively and correspondingly arranged on the two air channels;
the transmission assembly comprises a first transmission shaft, a second transmission shaft and a reversing assembly, the first transmission shaft is connected with the first wind wheel, the second transmission shaft is connected with the second wind wheel, and the reversing assembly is connected with the first transmission shaft and the second transmission shaft, so that the first transmission shaft and the second transmission shaft synchronously rotate towards opposite directions.
Optionally, the reversing assembly includes a first reversing shaft, and the first reversing shaft is in transmission connection with the first transmission shaft through a transmission belt and in transmission connection with the second transmission shaft through a reversing gear set.
Optionally, the reversing assembly further includes a first belt wheel sleeved on the first transmission shaft, and a second belt wheel sleeved on the first reversing shaft, and the transmission belt is sleeved on the first belt wheel and the second belt wheel.
Optionally, the angular speeds of the two gears of the reversing gear set are the same.
Optionally, the reversing assembly includes two second reversing shafts, and the first transmission shaft is in transmission connection with one of the second reversing shafts, the second transmission shaft is in transmission connection with the other second reversing shaft, and the two second reversing shafts are in transmission connection through a reversing gear set.
Optionally, the reversing gear set includes a first gear sleeved on the first transmission shaft, a second gear sleeved on one of the second reversing shafts and engaged with the first gear, a third gear sleeved on the other second reversing shaft and engaged with the second gear, and a fourth gear sleeved on the second transmission shaft and engaged with the third gear.
Optionally, the reversing assembly includes a tensioning wheel and a double-sided transmission belt, the double-sided transmission belt is sleeved on the first transmission shaft and the tensioning wheel, and the second transmission shaft is in transmission connection with an outer peripheral surface of the double-sided transmission belt.
Optionally, the double-sided transmission belt is a double-sided V-belt, the reversing assembly further includes a third belt wheel sleeved on the first transmission shaft, and a fourth belt wheel sleeved on the second transmission shaft, the double-sided transmission belt is sleeved on the third belt wheel and the tension wheel, and the fourth belt wheel is in transmission connection with an outer peripheral surface of the double-sided transmission belt.
Optionally, the indoor unit of the air conditioner further comprises a driving device, and a driving shaft of the driving device is connected to the first transmission shaft, the second transmission shaft or the reversing assembly.
Optionally, the transmission assembly further comprises a mounting box, and the first rotating shaft, the second rotating shaft and the reversing assembly are mounted in the mounting box through bearings.
The utility model also provides an air conditioner, including the machine in air condensing units and an air conditioning, this machine includes in the air conditioning: the shell is provided with two air outlets and two air ducts which are respectively communicated with the two air outlets correspondingly; the first wind wheel and the second wind wheel are respectively and correspondingly arranged on the two air channels; the transmission assembly comprises a first transmission shaft, a second transmission shaft and a reversing assembly, the first transmission shaft is connected to the first wind wheel, the second transmission shaft is connected to the second wind wheel, and the reversing assembly is connected with the first transmission shaft and the second transmission shaft so that the first transmission shaft and the second transmission shaft synchronously rotate in opposite directions; the air conditioner outdoor unit is connected with the air conditioner indoor unit through a refrigerant pipe.
The utility model discloses machine in air conditioning makes first transmission shaft and second transmission shaft can be towards opposite direction synchronous revolution through the switching-over subassembly to only need a drive arrangement to drive first transmission shaft, secondary drive axle or switching-over subassembly, can make two wind wheels towards opposite direction synchronous revolution, with the realization by single drive arrangement drive two wind wheels, reduced drive arrangement's quantity, reduced the manufacturing cost of machine in the air conditioning.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic cross-sectional view of an embodiment of an indoor unit of an air conditioner according to the present invention;
fig. 2 is a schematic structural view of the wind wheel and transmission assembly of the present invention;
FIG. 3 is a schematic structural diagram of an embodiment of the transmission assembly of the present invention;
FIG. 4 is a schematic structural view of another embodiment of the transmission assembly of the present invention;
fig. 5 is a schematic structural diagram of another embodiment of the transmission assembly of the present invention.
The reference numbers illustrate:
reference numerals Name (R) Reference numerals Name (R) Reference numerals Name (R)
10 Shell body 11 Air outlet 12 Air duct
20 First wind wheel 30 Second wind wheel 41 First transmission shaft
42 Second transmission shaft 50 Reversing assembly 51 First reversing shaft
52 Transmission belt 53 Reversing gear set 54 First pulley
55 Second belt wheel 56 Second reversing shaft 531 First gear
532 Second gear 533 Third gear 534 Fourth gear
57 Tension wheel 58 Double-sided transmission belt 59 Third belt wheel
60 Fourth pulley 61 Drive device 70 Mounting box
80 Bearing assembly
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides an indoor unit of an air conditioner, which can be selected as a floor type indoor unit of an air conditioner or a vertical hanging type indoor unit of an air conditioner, etc.; the present invention is described by taking a floor type air conditioner indoor unit as an example, but the present invention is not limited thereto.
In an embodiment of the present invention, as shown in fig. 1 to 5, the indoor unit of an air conditioner includes: the air conditioner comprises a shell 10, wherein the shell 10 is provided with two air outlets 11 and two air ducts 12 which are respectively communicated with the two air outlets 11 correspondingly; the first wind wheel 20 and the second wind wheel 30 are respectively and correspondingly arranged on the two air ducts 12; the transmission assembly comprises a first transmission shaft 41, a second transmission shaft 42 and a reversing assembly 50, wherein the first transmission shaft 41 is connected to the first wind wheel 20, the second transmission shaft 42 is connected to the second wind wheel 30, and the reversing assembly 50 is connected with the first transmission shaft 41 and the second transmission shaft 42, so that the first transmission shaft 41 and the second transmission shaft 42 synchronously rotate in opposite directions.
In this embodiment, the air outlet 11 extends in the up-down direction, and the housing 10 is further provided with an air inlet communicated with the two air ducts 12. The indoor unit of an air conditioner also typically includes an indoor heat exchanger provided in the duct 12 for conditioning the temperature of indoor air, such as cooling or heating. The air-conditioning indoor unit further comprises a wind wheel arranged in the air duct 12, and the wind wheel is used for driving air to flow; wherein, the wind wheel can be selected as a cross flow wind wheel and is arranged on the air outlet side of the indoor heat exchanger. When the indoor unit of the air conditioner works, the wind wheel drives indoor air to flow and drives the indoor air to enter the air channel 12 from the air inlet, and the flowing air exchanges heat with the indoor heat exchanger and then flows to the air outlet 11.
The two air outlets 11 are oriented to the air outlet in different directions, and the air outlet directions of the first wind wheel 20 and the second wind wheel 30 also need to be adjusted correspondingly, that is, the first wind wheel 20 and the second wind wheel 30 need to rotate in opposite directions to adapt to the air outlet directions of the two air outlets 11. The reversing assembly 50 is used for transmitting the power of the first transmission shaft 41 and the second transmission shaft 42 and changing the direction of the transmitted power so as to rotate the first transmission shaft 41 and the second transmission shaft 42 in opposite directions; therefore, only the first transmission shaft 41 is driven to rotate, the second transmission shaft 42 can be linked to rotate in opposite directions, so that the first wind wheel 20 and the second wind wheel 30 can synchronously rotate in opposite directions.
The utility model discloses machine in air conditioning makes first transmission shaft 41 and second transmission shaft 42 can be towards opposite direction synchronous revolution through switching-over subassembly 50 to only need a drive arrangement 61 to drive first transmission shaft 41, second transmission shaft 42 or switching-over subassembly 50, can make two wind wheels towards opposite direction synchronous revolution, in order to realize by single drive arrangement 61 drive two wind wheels, reduced drive arrangement 61's quantity, reduced the manufacturing cost of machine in air conditioning.
It should be noted that if the embodiments of the present invention are described with reference to "first", "second", etc., the description of "first", "second", etc. is only for descriptive purposes and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
Specifically, as shown in fig. 2, the reversing assembly 50 includes a first reversing shaft 51, and the first reversing shaft 51 is in transmission connection with the first transmission shaft 41 through a transmission belt 52 and is in transmission connection with the second transmission shaft 42 through a reversing gear set 53. In the present embodiment, the first reversing shaft 51 is located between the first transmission shaft 41 and the second transmission shaft 42, so that the overall structure of the reversing assembly 50 is simpler and more compact. The belt 52 may be a chain belt or a V-belt, but is not limited thereto. The transmission belt 52 can be directly sleeved on the first transmission shaft 41 and the first reversing shaft 51, or indirectly sleeved through an intermediate member, and the transmission belt 52 is not limited herein, and only needs to enable the first transmission shaft 41 and the first reversing shaft 51 to transmit power to each other. It will be appreciated that the first drive shaft 41 and the first reversing shaft 51, which transmit power through the drive belt 52, rotate in the same direction. The reversing gear set 53 is formed by two gears engaged with each other, and the two gears are respectively sleeved on the first reversing shaft 51 and the second transmission shaft 42, so that the first reversing shaft 51 and the second transmission shaft 42 can synchronously rotate in opposite directions. The first transmission shaft 41 rotates in the same direction as the first reversing shaft 51, and the second transmission shaft 42 rotates in the opposite direction to the first reversing shaft 51, so that the first transmission shaft 41 and the second transmission shaft 42 rotate in the opposite direction.
In practical applications, as shown in fig. 2, the air conditioning indoor unit further includes a driving device 61, and a driving shaft of the driving device 61 may be connected to one of the first driving shaft 41, the second driving shaft 42, or the first reversing shaft 51 to drive the driving assembly to move, so as to drive the first wind wheel 20 and the second wind wheel 30 to automatically rotate in opposite directions.
In an embodiment, as shown in fig. 3, the reversing assembly 50 further includes a first pulley 54 sleeved on the first transmission shaft 41, and a second pulley 55 sleeved on a second reversing shaft 56, and the transmission belt 52 is sleeved on the first pulley 54 and the second pulley 55. In the present embodiment, the connection between the transmission belt 52 and the first transmission shaft 41 and the second reversing shaft 56 is realized by the pulley, so that the fitting area can be increased, and the fitting strength can be improved. Meanwhile, the belt wheel can increase the torque between the transmission belt 52 and the first transmission shaft 41 and the first reversing shaft 51 so as to improve the transmission efficiency. Specifically, the angular speeds of the two gears of the reversing gear set 53 are the same, so that the gear ratio of the reversing gear set 53 is 1, i.e., the first reversing shaft 51 and the second transmission shaft 42 rotate at the same speed. Since the transmission of the transmission belt 52 does not cause a difference in the rotational speed, the rotational speeds of the first reversing shaft 51 and the first transmission shaft 41 are also the same, and thus the first transmission shaft 41 and the second transmission shaft 42 can rotate at the same speed.
In an embodiment, as shown in fig. 4, the reversing assembly 50 includes two second reversing shafts 56, and the first transmission shaft 41 is in transmission connection with one of the second reversing shafts 56, the second transmission shaft 42 is in transmission connection with the other second reversing shaft 56, and both second reversing shafts 56 are in transmission connection through the reversing gear set 53. In the present embodiment, the direction of rotation of the two gears of the reversing gear set 53 is reversed, so that the first transmission shaft 41 and the second ring-shaped shaft are reversed, the direction of rotation of the two second reversing shafts 56 is reversed, the direction of rotation of the second reversing shaft 56 and the second transmission shaft 42 is reversed, and the direction of rotation of the first transmission shaft 41 and the second transmission shaft 42 is reversed. It should be noted that the three sets of reversing gear sets 53 may be shared or independent, and are not limited herein.
Specifically, as shown in fig. 4, the reversing gear set 53 includes a first gear 531 sleeved on the first transmission shaft 41, a second gear 532 sleeved on one of the second reversing shafts 56 and engaged with the first gear 531, a third gear 533 sleeved on the other second reversing shaft 56 and engaged with the second gear 532, and a fourth gear 534 sleeved on the second transmission shaft 42 and engaged with the third gear 533. In the embodiment, the 4 gears are engaged with each other two by two to realize the two-by-two transmission of the first transmission shaft 41, the two second reversing shafts 56 and the second transmission shaft 42, so that the number of the gears can be reduced, and the structure of the transmission assembly is simpler and more compact.
In one embodiment, as shown in fig. 5, the reversing assembly 50 includes a tension pulley 57 and a double-sided transmission belt 58, the double-sided transmission belt 58 is sleeved on the first transmission shaft 41 and the tension pulley 57, and the second transmission shaft 42 is in transmission connection with an outer circumferential surface of the double-sided transmission belt 58. In the present embodiment, the double-sided belt 58, i.e., the double-sided toothed timing belt, has both its inner and outer circumferential surfaces available for transmission. The first transmission shaft 41 and the tension pulley 57 can make the double-sided transmission belt 58 move circularly, the second transmission shaft 42 is in transmission rotation through the double-sided transmission belt 58, and the second transmission shaft 42 is in transmission connection with the outer peripheral surface of the double-sided transmission belt 58, so the rotation direction of the first transmission shaft 41 is opposite to that of the second transmission shaft 42. The number of the tension pulleys 57 may be one or more, and is not limited herein.
Specifically, as shown in fig. 5, the double-sided transmission belt 58 is a double-sided V-belt, the reversing assembly 50 further includes a third pulley 59 sleeved on the first transmission shaft 41, and a fourth pulley 60 sleeved on the second transmission shaft 42, the double-sided transmission belt 58 is sleeved on the third pulley 59 and the tension pulley 57, and the fourth pulley 60 is in transmission connection with the outer peripheral surface of the double-sided transmission belt 58.
In practical applications, as shown in fig. 2, the transmission assembly further includes a mounting box 70, and the first rotating shaft, the second rotating shaft 42 and the reversing assembly 50 are mounted in the mounting box 70 through bearings 80. In this embodiment, the mounting box 70 can protect the switch assembly 50. A through hole is formed in the bottom of the mounting box 70, and the first transmission shaft 41 and the second transmission shaft 42 penetrate through the through hole to be connected with the first wind wheel 20 and the second wind wheel 30. The top of the mounting box 70 is open for the driving device 61 to be mounted, so as to improve the integration of the driving device 61 and the transmission assembly.
The utility model discloses still provide an air conditioner, this air conditioner includes machine in air condensing units and the air conditioning, and the concrete structure of this machine in the air conditioning refers to above-mentioned embodiment, because this air conditioner has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is no longer given here. The air conditioner outdoor unit is connected with the air conditioner indoor unit through a refrigerant pipe.
The above is only the optional embodiment of the present invention, and not the scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims (11)

1. An indoor unit of an air conditioner, comprising:
the shell is provided with two air outlets and two air ducts which are respectively communicated with the two air outlets correspondingly;
the first wind wheel and the second wind wheel are respectively and correspondingly arranged on the two air channels;
the transmission assembly comprises a first transmission shaft, a second transmission shaft and a reversing assembly, the first transmission shaft is connected with the first wind wheel, the second transmission shaft is connected with the second wind wheel, and the reversing assembly is connected with the first transmission shaft and the second transmission shaft, so that the first transmission shaft and the second transmission shaft synchronously rotate towards opposite directions.
2. The indoor unit of claim 1, wherein the reversing assembly comprises a first reversing shaft drivingly connected to the first driving shaft by a driving belt and drivingly connected to the second driving shaft by a reversing gear set.
3. The indoor unit of claim 2, wherein the reversing assembly further comprises a first pulley sleeved on the first transmission shaft and a second pulley sleeved on the first reversing shaft, and the transmission belt is sleeved on the first pulley and the second pulley.
4. The indoor unit of an air conditioner according to claim 2, wherein the angular velocities of the two gears of the reversing gear set are the same.
5. The indoor unit of an air conditioner as claimed in claim 1, wherein the direction-changing assembly includes two second direction-changing shafts, and the first transmission shaft is in transmission connection with one of the second direction-changing shafts, the second transmission shaft is in transmission connection with the other second direction-changing shaft, and the two second direction-changing shafts are in transmission connection through a direction-changing gear set.
6. The indoor unit of claim 5, wherein the reversing gear set comprises a first gear sleeved on the first transmission shaft, a second gear sleeved on one of the second reversing shafts and engaged with the first gear, a third gear sleeved on the other second reversing shaft and engaged with the second gear, and a fourth gear sleeved on the second transmission shaft and engaged with the third gear.
7. The indoor unit of claim 1, wherein the reversing unit includes a tension pulley and a double-sided belt, the double-sided belt is sleeved on the first transmission shaft and the tension pulley, and the second transmission shaft is in transmission connection with an outer circumferential surface of the double-sided belt.
8. The indoor unit of claim 7, wherein the double-sided belt is a double-sided V-belt, the reversing unit further comprises a third pulley sleeved on the first transmission shaft and a fourth pulley sleeved on the second transmission shaft, the double-sided belt is sleeved on the third pulley and the tension pulley, and the fourth pulley is in transmission connection with an outer peripheral surface of the double-sided belt.
9. The indoor unit of an air conditioner according to any one of claims 1 to 8, further comprising a driving unit having a driving shaft connected to the first driving shaft, the second driving shaft, or the reversing unit.
10. An indoor unit of an air conditioner according to any one of claims 1 to 8, wherein the driving unit further comprises a mounting case, and the first rotating shaft, the second rotating shaft and the reversing unit are mounted in the mounting case through bearings.
11. An air conditioner comprising an outdoor unit and the indoor unit as claimed in any one of claims 1 to 10, wherein the outdoor unit and the indoor unit are connected by refrigerant pipes.
CN202021078183.6U 2020-06-11 2020-06-11 Air conditioner indoor unit and air conditioner Active CN212511452U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021078183.6U CN212511452U (en) 2020-06-11 2020-06-11 Air conditioner indoor unit and air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021078183.6U CN212511452U (en) 2020-06-11 2020-06-11 Air conditioner indoor unit and air conditioner

Publications (1)

Publication Number Publication Date
CN212511452U true CN212511452U (en) 2021-02-09

Family

ID=74395059

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021078183.6U Active CN212511452U (en) 2020-06-11 2020-06-11 Air conditioner indoor unit and air conditioner

Country Status (1)

Country Link
CN (1) CN212511452U (en)

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