CN215597462U - Air conditioner indoor unit and air conditioner - Google Patents
Air conditioner indoor unit and air conditioner Download PDFInfo
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- CN215597462U CN215597462U CN202120576593.1U CN202120576593U CN215597462U CN 215597462 U CN215597462 U CN 215597462U CN 202120576593 U CN202120576593 U CN 202120576593U CN 215597462 U CN215597462 U CN 215597462U
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- 230000002787 reinforcement Effects 0.000 claims abstract description 10
- 210000003195 fascia Anatomy 0.000 claims 2
- 230000003014 reinforcing effect Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 4
- 230000001360 synchronised effect Effects 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides an air conditioner indoor unit and an air conditioner, and relates to the technical field of household appliances. The air conditioner indoor unit comprises a shell, wherein the shell is provided with a main air channel and an auxiliary air channel positioned below the main air channel, a main cross-flow fan is installed in the main air channel, an auxiliary cross-flow fan is installed in the auxiliary air channel, the main cross-flow fan and the auxiliary cross-flow fan rotate coaxially, the main air channel is communicated with an air inlet section of the auxiliary air channel, the air conditioner indoor unit further comprises a positioning mechanism, the positioning mechanism comprises at least three positioning shafts and connecting reinforcing pieces installed on the positioning shafts, one ends of the at least three positioning shafts are connected with the main cross-flow fan, the other ends of the at least three positioning shafts are connected with the auxiliary cross-flow fan, and the three positioning shafts in the at least three positioning shafts are arranged in a triangular staggered mode. According to the air conditioner indoor unit and the air conditioner, the connecting strength of the main cross-flow fan and the auxiliary cross-flow fan is improved through the positioning shaft and the connecting reinforcement piece, and the phenomenon of non-coaxial rotation in the synchronous rotation process of the main cross-flow fan and the auxiliary cross-flow fan is avoided.
Description
Technical Field
The utility model relates to the technical field of household appliances, in particular to an air conditioner indoor unit and an air conditioner.
Background
The main air duct of the indoor unit of the air conditioner, such as a square cabinet and a round cabinet, usually adopts a cross-flow fan to guide airflow. Because the hot air discharged in the main air duct is easy to float upwards in the heating process, the temperature of the lower part of the air outlet is relatively low, the lower air outlet structure formed by additionally arranging the auxiliary air duct below the air conditioner internal unit is provided, and the problem of inconsistent air outlet temperature is solved.
When the cross-flow fan is heavy, the problem of different axes is often caused by the coaxial rotation of the cross-flow fan in the through main air duct and the cross-flow fan in the auxiliary air duct, and the air volume of the air conditioner is reduced and noise is generated.
SUMMERY OF THE UTILITY MODEL
The utility model provides an air conditioner indoor unit and an air conditioner, which are used for solving the defect that two cross-flow fans in the air conditioner indoor unit in the prior art are difficult to coaxially drive.
The utility model provides an air conditioner indoor unit which comprises a shell, wherein the shell is provided with a main air channel and an auxiliary air channel positioned below the main air channel, a main cross-flow fan is installed in the main air channel, an auxiliary cross-flow fan is installed in the auxiliary air channel, the main cross-flow fan and the auxiliary cross-flow fan rotate coaxially, the main air channel is communicated with an air inlet section of the auxiliary air channel, the air conditioner indoor unit further comprises a positioning mechanism, the positioning mechanism comprises at least three positioning shafts and a connecting reinforcing piece installed on the positioning shafts, one ends of the at least three positioning shafts are connected with the main cross-flow fan, the other ends of the at least three positioning shafts are connected with the auxiliary cross-flow fan, and three positioning shafts in the at least three positioning shafts are arranged in a triangular staggered mode.
According to the air conditioner internal unit provided by the utility model, the auxiliary air duct comprises an air inlet and an air outlet, the air inlet faces to the back face of the shell, and the air outlet is positioned below the air opening of the main air duct.
The air conditioner indoor unit further comprises a front decorative plate, and a grille or a plurality of ventilation holes are formed in the front decorative plate corresponding to the air outlet.
According to the air conditioner indoor unit provided by the utility model, the bottom of the main air duct is provided with the mounting hole, the auxiliary air duct comprises the top plate and the bottom plate, the top plate is provided with the through hole, one end of the auxiliary cross-flow fan is rotatably connected with the bottom plate through the bearing, and the at least three positioning shafts penetrate through the through hole and are fixedly connected with the main cross-flow fan.
According to the air conditioner indoor unit provided by the utility model, the number of the positioning shafts is three, and the connecting reinforcement is sequentially connected with the three positioning shafts along the circumferential direction of the main cross flow fan.
According to the air conditioner indoor unit provided by the utility model, the connection reinforcing piece is in a circular ring shape, and the outer diameter of the circular ring is not larger than that of the main cross-flow fan.
According to the air conditioner indoor unit provided by the utility model, the auxiliary cross-flow fan is provided with the fixing hole, the hole shaft extending direction of the fixing hole is vertical to the rotating shaft direction of the main cross-flow fan, and the rotating shaft of the main cross-flow fan and the auxiliary cross-flow fan are fixed through the fastener inserted into the fixing hole.
According to the air conditioner indoor unit provided by the utility model, the fastening piece is a screw.
According to the air conditioner indoor unit provided by the utility model, one end of the positioning shaft is fixedly inserted into the main cross-flow fan, and the other end of the positioning shaft and the auxiliary cross-flow fan are integrally formed; or the like, or, alternatively,
one end of the positioning shaft is fixedly inserted into the auxiliary cross-flow fan, and the other end of the positioning shaft and the main cross-flow fan are integrally formed.
The embodiment of the utility model also provides an air conditioner which comprises the air conditioner indoor unit.
According to the air conditioner indoor unit and the air conditioner, the connecting strength of the main cross-flow fan and the auxiliary cross-flow fan is improved through the positioning shaft and the connecting reinforcement piece, and the phenomenon of non-coaxial rotation in the synchronous rotation process of the main cross-flow fan and the auxiliary cross-flow fan is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is an internal structure view of an air conditioner indoor unit provided by the present invention;
FIG. 2 is a schematic view of the main cross flow fan and the auxiliary cross flow fan of the present invention;
FIG. 3 is a perspective view of a main crossflow fan provided by the present invention;
FIG. 4 is a schematic view of the connection of an auxiliary crossflow fan with a positioning shaft provided by the present invention;
FIG. 5 is a schematic view of the auxiliary crossflow fan and the positioning shaft of the present invention from another perspective;
reference numerals:
10: a housing; 11: a main air duct; 12: an auxiliary air duct;
13: an air outlet; 20: a main cross flow fan; 21: a rotating shaft;
30: an auxiliary cross-flow fan; 40: positioning the shaft; 41: connecting a reinforcing member;
50: and a bearing.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The structures of the air conditioner indoor unit and the air conditioner of the present invention are described below with reference to fig. 1 to 5.
An embodiment of the present invention provides an air conditioner indoor unit, as shown in fig. 1, including a casing 10, where the casing 10 has a main air duct 11 and an auxiliary air duct 12 located below the main air duct 11. Wherein, a main cross flow fan 20 is installed in the main air duct 11, an auxiliary cross flow fan 30 is installed in the auxiliary air duct, and the main cross flow fan 20 and the auxiliary cross flow fan 30 rotate coaxially. It should be noted that the main air duct 11 and the auxiliary air duct 12 are independent from each other, and have an air inlet and an air outlet, respectively. The bottom of the main air duct 11 is communicated with an air inlet of the auxiliary air duct 12, that is, the air flow in the auxiliary air duct 12 is a part of the air flow led out from the main air duct 11. The main cross flow fan 20 and the auxiliary cross flow fan 30 are rotated coaxially by the same driving mechanism such as a driving motor. The indoor unit of the air conditioner further comprises a positioning mechanism, wherein the positioning mechanism comprises at least three positioning shafts 40 and connecting reinforcing parts 41 arranged on the positioning shafts 40, one ends of the at least three positioning shafts 40 are connected with the main cross flow fan 20, the other ends of the at least three positioning shafts 40 are connected with the auxiliary cross flow fan 30, and three positioning shafts in the at least three positioning shafts 40 are arranged in a triangular staggered mode. For example, when there are three positioning shafts 40, the three positioning shafts 40 are arranged at three corners of a triangle; for another example, when there are four positioning shafts 40, three of the positioning shafts are arranged at three corners of a triangle, and another positioning shaft may be arranged in a quadrilateral staggered manner with the three positioning shafts or arranged in parallel with one of the positioning shafts.
According to the air conditioner indoor unit provided by the embodiment of the utility model, the connecting strength of the main cross-flow fan 20 and the auxiliary cross-flow fan 30 is improved through the positioning shaft 40 and the connecting reinforcing piece 41, and the phenomenon of different shafts in the synchronous rotation process of the main cross-flow fan and the auxiliary cross-flow fan is avoided.
Specifically, as shown in fig. 1, the auxiliary air duct 12 includes an air inlet and an air outlet 13, the air inlet faces the back of the housing 10, and the air outlet 13 is located below the air inlet of the main air duct 11. In the auxiliary air duct 12 provided in the embodiment of the present invention, the auxiliary cross-flow fan 30 sucks in external air from the air inlet, and then discharges the external air from the air outlet 13. It can be understood that a heater is arranged in the auxiliary air duct 12 to heat the air in the auxiliary air duct 12, and the problem of too low bottom temperature caused by the floating of hot air is solved.
The air conditioner indoor unit further comprises a front decorative plate, and the front decorative plate is provided with a grille or a plurality of ventilation holes corresponding to the air outlet 13. In one embodiment, the front decorative plate is provided with a through hole with a size consistent with that of the air outlet 13, and a grille is movably arranged in the through hole and comprises a transverse grille and/or a longitudinal grille so as to adjust the air outlet direction of the auxiliary air duct 12.
For convenience of installation, the bottom of the main air duct 11 is provided with an installation hole, the auxiliary air duct 12 includes a top plate and a bottom plate connected with each other, the top plate is provided with a through hole, one end of the auxiliary cross flow fan 30 is rotatably connected with the bottom plate through a bearing 50, and at least three positioning shafts 40 penetrate through the through hole to be fixedly connected with the main cross flow fan 20. As shown in fig. 2, in the air conditioner indoor unit provided by the embodiment of the present invention, the bottom of the auxiliary cross flow fan 30 is connected to the auxiliary air duct 12 through a bearing 50, so as to improve the stability of rotation; the top of the auxiliary cross flow fan 30 is fixedly connected with the main cross flow fan 20 through the through hole.
As shown in fig. 4 and 5, the positioning shafts 40 include three positioning shafts 40, and the connection reinforcement 41 is connected to the three positioning shafts 40 in sequence in the circumferential direction of the main cross flow fan 20. The three positioning shafts 40 are arranged in a triangular shape, and the three positioning shafts 40 are ensured not to be displaced in the movement process of the cross flow fan by means of the connecting reinforcement 41. In one embodiment, the connection reinforcement 41 has a circular ring shape having an outer diameter not larger than that of the main cross flow fan 20. The middle parts of the three positioning shafts 40 are firmly connected by a circular connection reinforcing piece 41. In another embodiment, the connecting reinforcement 41 has a triangular shape, and the three positioning shafts 40 are located at three corners or three sides of the triangular connecting reinforcement 41.
In the embodiment of the present invention, the auxiliary cross-flow fan 30 is provided with a fixing hole, the hole axis extending direction of the fixing hole is perpendicular to the direction of the rotating shaft 21 of the main cross-flow fan 20, and the rotating shaft 21 of the main cross-flow fan 20 and the auxiliary cross-flow fan 30 are fixed by a fastener inserted into the fixing hole. The rotating shaft 21 of the main cross flow fan 20 is coaxially fixed to the auxiliary cross flow fan 30 by a fastening member installed from the side of the auxiliary cross flow fan 30 for easy fixing. In particular, the fasteners are screws or pins.
In an embodiment of the present invention, one end of the positioning shaft 40 is inserted into the main cross flow fan 20, and the other end of the positioning shaft 40 is integrally formed with the auxiliary cross flow fan 30. For example, as shown in fig. 3, a plug hole or a cylinder with a plug hole is provided on the main cross flow fan 20, and the positioning shaft 40 is plugged into the plug hole. In another embodiment of the present invention, one end of the positioning shaft 40 is inserted into the auxiliary cross flow fan 30, and the other end of the positioning shaft 40 is integrally formed with the main cross flow fan 20. The inserting and fixing manner is similar to that of the previous embodiment, and is not described again.
The embodiment of the utility model also provides an air conditioner which comprises the air conditioner indoor unit. The air outlet of the top air outlet and the air outlet of the bottom air outlet are realized by means of the air conditioner internal unit, and the situation that the bottom environment temperature is low due to the fact that hot air floats upwards in the heating process is avoided. It should be noted that the air conditioner indoor unit may be a square cabinet or a circular cabinet. The air conditioner may be a single heating air conditioner or a combination of both cooling and heating air conditioners, and the embodiment of the present invention is not particularly limited.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. An air conditioner indoor unit comprises a shell, wherein the shell is provided with a main air channel and an auxiliary air channel located below the main air channel, a main cross flow fan is installed in the main air channel, an auxiliary cross flow fan is installed in the auxiliary air channel, and the main cross flow fan and the auxiliary cross flow fan rotate coaxially.
2. The indoor unit of claim 1, wherein the auxiliary air duct comprises an air inlet and an air outlet, the air inlet faces the back of the casing, and the air outlet is located below the air inlet of the main air duct.
3. An indoor unit of an air conditioner according to claim 2, further comprising a front fascia, wherein the front fascia is provided with a grille or a plurality of vent holes corresponding to the air outlet.
4. The indoor unit of claim 1, wherein the bottom of the main air duct is provided with a mounting hole, the auxiliary air duct comprises a top plate and a bottom plate, the top plate is provided with a through hole, one end of the auxiliary cross flow fan is rotatably connected with the bottom plate through a bearing, and the at least three positioning shafts penetrate through the through hole and are fixedly connected with the main cross flow fan.
5. An indoor unit of an air conditioner according to claim 1 or 4, wherein the number of the positioning shafts is three, and the connection reinforcement is connected to the three positioning shafts in sequence in a circumferential direction of the main cross flow fan.
6. An indoor unit according to claim 5, wherein the connection reinforcement is annular, and the outer diameter of the annular ring is not larger than that of the main cross-flow fan.
7. The indoor unit of an air conditioner as claimed in claim 1, wherein the auxiliary cross flow fan is provided with a fixing hole, the hole axis extension direction of the fixing hole is perpendicular to the rotating shaft direction of the main cross flow fan, and the rotating shaft of the main cross flow fan and the auxiliary cross flow fan are fixed through a fastener inserted into the fixing hole.
8. An indoor unit of an air conditioner according to claim 7, wherein the fastening member is a screw.
9. The indoor unit of an air conditioner as claimed in claim 1, wherein one end of the positioning shaft is fixedly inserted into the main cross flow fan, and the other end of the positioning shaft is integrally formed with the auxiliary cross flow fan; or the like, or, alternatively,
one end of the positioning shaft is fixedly inserted into the auxiliary cross-flow fan, and the other end of the positioning shaft and the main cross-flow fan are integrally formed.
10. An air conditioner characterized by comprising the air conditioner indoor unit as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120576593.1U CN215597462U (en) | 2021-03-22 | 2021-03-22 | Air conditioner indoor unit and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120576593.1U CN215597462U (en) | 2021-03-22 | 2021-03-22 | Air conditioner indoor unit and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215597462U true CN215597462U (en) | 2022-01-21 |
Family
ID=79871125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120576593.1U Active CN215597462U (en) | 2021-03-22 | 2021-03-22 | Air conditioner indoor unit and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215597462U (en) |
-
2021
- 2021-03-22 CN CN202120576593.1U patent/CN215597462U/en active Active
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