CN214038653U - Indoor unit of air conditioner - Google Patents
Indoor unit of air conditioner Download PDFInfo
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- CN214038653U CN214038653U CN202022620194.9U CN202022620194U CN214038653U CN 214038653 U CN214038653 U CN 214038653U CN 202022620194 U CN202022620194 U CN 202022620194U CN 214038653 U CN214038653 U CN 214038653U
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- air conditioner
- indoor unit
- volute
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- 238000009434 installation Methods 0.000 claims description 17
- 230000000994 depressogenic effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 6
- 238000004378 air conditioning Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to an air conditioning technology field, its purpose is in order to provide a machine in cross-flow fan can not shake, safe and reliable's air conditioning. The utility model of the air-conditioning indoor unit comprises a framework, a volute is formed on the framework, and a plurality of cross flow fans are coaxially arranged in the volute; the connector comprises a connecting piece and a second bearing, and is arranged on the framework and positioned between two adjacent cross-flow fans; the connecting piece is provided with a through hole which is axially arranged, the second bearing is arranged in the through hole, and the rotating shaft of the cross-flow fan is supported on the connecting piece through the second bearing. The utility model discloses an indoor set of air conditioner, the cross-flow fan at both ends is fixed with bearing frame and motor respectively, and fixed back passes through the connector support connection between the adjacent cross-flow fan to guarantee that the cross-flow fan can not vibrate on rotating the in-process radial direction, ensured that the complete machine can not take place resonance hidden danger.
Description
Technical Field
The utility model relates to the technical field of household appliances, especially, relate to an indoor unit of air conditioner.
Background
The fan of the existing air conditioner adopts a cross-flow fan, and the fan is driven by a motor to rotate, so that wind is led in through an air inlet and led out from an air outlet. Because fan structural feature and air conditioner's limitation, if air conditioner internal unit size is too big, the cross-flow fan also can grow thereupon, and the fan can arouse the shake owing to self weight and assembly relation in the operation process this moment to arouse the hidden danger of complete machine vibration.
SUMMERY OF THE UTILITY MODEL
Based on this, the to-be-solved technical problem of the utility model is to provide a safe and reliable's indoor set of air conditioner that cross-flow fan can not shake.
In order to achieve the above object, the embodiments of the present invention adopt the following technical solutions:
the utility model provides an indoor unit of air conditioner, include:
the device comprises a framework, a bearing seat and a motor, wherein a volute is formed on the framework, and the two ends of the volute are respectively provided with the bearing seat and the motor;
a plurality of cross-flow fans coaxially disposed within the volute; the two ends of the cross-flow fan are respectively provided with a shaft sleeve and a rotating shaft, and the cross-flow fans are respectively connected end to end through the shaft sleeves and the rotating shafts; a rotating shaft of the cross flow fan positioned at one end is supported on the bearing block through a first bearing, and a shaft sleeve of the cross flow fan positioned at the other end is connected with a motor shaft of the motor;
the connector comprises a connecting piece and a second bearing, and is arranged on the framework and positioned between two adjacent cross-flow fans; the connecting piece is provided with a through hole which is axially arranged, the second bearing is arranged in the through hole, and a rotating shaft of the cross-flow fan is supported on the connecting piece through the second bearing.
Further, an installation part is arranged on the arc inner side surface of the volute, and the connecting piece is fixedly connected with the installation part through a fastening piece.
Further, the connector includes:
the outer circular ring part is sleeved at the joint of two adjacent cross flow fans;
the inner circular part is coaxially arranged in the outer circular part;
the annular connecting part is connected between the outer annular part and the inner annular part;
and the base part extends downwards to the inner side surface of the volute along the outer circular ring part.
Furthermore, the base part comprises two base side plates extending downwards along the edge of the outer circular ring part and a base front side plate connected to the front ends of the two base side plates, an installation cavity is formed between the base side plates and the base front side plate, and the installation part on the volute is clamped in the installation cavity; the outer ring portion is provided with a screw hole, the mounting portion is correspondingly provided with a screw column, and the fastener passes through the screw hole and the screw column to connect the connecting piece with the mounting portion in fixed connection.
Further, the screw hole is provided with two, is located respectively on the outer ring portion of ring connecting portion both sides, it is provided with two screw posts to correspond on the installation department.
Furthermore, a limiting part is arranged in the installation cavity, the installation part is provided with a limiting matching part, and the limiting part is matched with the limiting matching part and used for limiting the base part to slide downwards along the arc inner side surface of the volute.
Furthermore, the mounting part comprises two mounting side plates and a mounting front side plate connected to the front ends of the two mounting side plates, an inner cavity is formed between the mounting side plates and the mounting front side plate, and the screw column is arranged in the inner cavity; the limiting part is a limiting protrusion arranged in the installation cavity, the limiting matching part is a limiting baffle arranged in the inner cavity, and the limiting protrusion is abutted to one side, close to the upper end of the volute, of the limiting baffle.
Furthermore, a positioning bulge is arranged in the installation cavity, and the installation side plate is clamped between the positioning bulge and the two base side plates.
Further, the inner side surface of the volute casing is provided with a groove portion formed by downward depression, the mounting portion is arranged in the groove portion, and the outer side surface of the base portion of the connecting piece is abutted to the inner side surface of the groove portion.
Further, the volute extends upwards to form a volute tongue at the end part facing the air inlet above the air duct; the outer side wall of the outer ring part is provided with a clamping hook part with a downward opening, and the volute tongue is clamped in the clamping hook part.
The technical scheme of the utility model prior art relatively has following technological effect:
according to the indoor unit of the air conditioner, the cross-flow fans at two ends are respectively fixed with the bearing block and the motor, and after the adjacent cross-flow fans are fixed, the adjacent cross-flow fans are supported and connected through the connector, so that the cross-flow fans cannot vibrate in the radial direction in the rotating process, and the resonance hidden danger of the whole unit is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the assembly structure of the framework and the cross flow fan in the indoor unit of the air conditioner;
FIG. 2 is a schematic structural view of the framework and the connector in the indoor unit of the air conditioner of the present invention, in which the cross flow fan is not shown;
FIG. 3 is a first perspective view of a connecting member of the indoor unit of an air conditioner of the present invention;
FIG. 4 is a second perspective view of a connecting member of the indoor unit of an air conditioner of the present invention;
FIG. 5 is a third perspective view of the connecting member of the indoor unit of an air conditioner of the present invention;
FIG. 6 is an exploded view of the connection between two cross flow fans in the indoor unit of the air conditioner of the present invention;
fig. 7 is a schematic structural view of a framework in the indoor unit of the air conditioner of the present invention;
FIG. 8 is an enlarged view of a portion of FIG. 7;
description of reference numerals:
a skeleton 100; a volute 110; a volute tongue 120; a mounting portion 130; a mounting side plate 131; mounting the front side plate 132; an inner cavity 133; a screw post 134; a limit stop 135; a groove portion 140;
a bearing housing 200;
a motor 300;
a connecting member 400;
an outer annular portion 410; a hook portion 411; screw holes 412;
an inner annular portion 420; a through hole 421;
a ring connecting portion 430;
a base portion 440; a base side plate 441; a base front side panel 442; a mounting cavity 443; a limit projection 444; a positioning projection 445; a base front bezel 446;
a second bearing 500;
a cross-flow fan 600; a rotating shaft 610; a boss 620.
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 work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The terms "first", "second" and "first" are used for descriptive purposes only and are 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 one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
Example one
As shown in fig. 1 to 8, the air conditioning indoor unit of the present embodiment includes a frame 100, a plurality of cross flow fans 600 provided on the frame 100, and a connector for connecting the cross flow fans 600. As shown in fig. 1 and 2, a volute 110 is formed on the frame 100, and a bearing housing 200 and a motor 300 are respectively disposed at two ends of the volute 110. The bottom of the framework 100 and the front side of the volute 110 are air outlet areas. A plurality of cross flow fans 600 are coaxially disposed within the volute 110. Referring to fig. 6, a shaft sleeve 620 and a rotating shaft 610 are respectively disposed at two ends of each cross flow fan 600, and a plurality of cross flow fans 600 are respectively connected end to end through the shaft sleeve 620 and the rotating shaft 610 and are fixedly connected through fasteners such as screws. The rotation shaft 610 of the cross flow fan 600 at one end is supported on the bearing housing 200 through a first bearing (not shown), and the boss 620 of the cross flow fan 600 at the other end is coupled to the motor 300 shaft of the motor 300. The motor 300 drives the plurality of cross flow fans 600 to rotate. In the present embodiment, two axial fans are preferable.
As shown in fig. 2, the connector includes a connection member 400 and a second bearing 500, and is disposed on the frame 100 between two adjacent cross flow fans 600. Referring to fig. 3, the connection member 400 has a through hole 421 axially disposed, the second bearing 500 is disposed in the through hole 421, and the rotation shaft 610 of the cross flow fan 600 is supported on the connection member 400 by the second bearing 500. The second bearing 500 may be a rolling bearing, a rubber bearing, or the like. The inner wall of the through hole 421 may be provided with a plurality of protrusions along a circumferential direction for being engaged with the second bearing 500.
In the indoor unit of the air conditioner, the cross-flow fans 600 at two ends are respectively fixed with the bearing block 200 and the motor 300, and after the adjacent cross-flow fans 600 are fixed, the adjacent cross-flow fans 600 are supported and connected through the connector, so that the cross-flow fans 600 cannot vibrate in the radial direction in the rotating process, and the resonance hidden trouble of the whole unit is avoided.
In the present embodiment, as shown in fig. 7 and 8, the arc-shaped inner side surface of the volute 110 is provided with a mounting portion 130, and the connecting member 400 is fixedly connected to the mounting portion 130 by a fastening member.
Referring to fig. 3 to 5, in particular, the connector 400 includes an outer circular portion 410, an inner circular portion 420, a circular ring connecting portion 430, and a base portion 440. The outer circular ring part 410 is sleeved at the joint of two adjacent cross flow fans 600. The inner circular part 420 is coaxially arranged in the outer circular part 410; the inner circular portion 420 forms the through hole 421. The ring connecting portion 430 is connected between the outer ring portion 410 and the inner ring portion 420. The base portion 440 extends downward along the outer wall of the outer circular ring portion 410 to the inner side surface of the scroll casing 110, and the base portion 440 has an arc-shaped bottom surface which is matched with the arc-shaped inner side surface of the scroll casing 110. In the present embodiment, the ring connecting portion 430 has a semicircular structure and is disposed near the base portion 440.
Further, as shown in fig. 4, the base portion 440 includes two base side plates 441 extending downward along the edge of the outer circular ring portion 410, and a base front side plate 442 connected between the two base side plates 441, a mounting cavity 443 is formed between the base side plates 441 and the base front side plate 442, and the mounting portion 130 on the scroll casing 110 is snapped into the mounting cavity 443. The outer circular ring portion 410 is provided with a screw hole 412, the mounting portion 130 is correspondingly provided with a screw column 134, and a fastener passes through the screw hole 412 and the screw column 134 to fixedly connect the connecting piece 400 with the mounting portion 130.
The front side of the base front side plate 442 is further provided with a base front baffle 446, the base side plate 441 extends to the front side and is connected with the base front baffle 446, and the forward extending part of the base side plate 441 extends to the side edge of the air outlet area of the framework 100, so that backflow between adjacent cross flow fans 600 can be shielded, and the problem of air suction is avoided.
In this embodiment, in order to fasten the connector 400 to the frame 100, two screw holes 412 are provided, which are respectively located on the outer circular ring portions 410 at two sides of the circular ring connecting portion 430, two screw posts 134 are correspondingly provided on the mounting portion 130, and the left and right sides of the connector 400 are respectively fixed by one screw.
In this embodiment, a limiting portion is further disposed in the mounting cavity 443, the mounting portion 130 has a limiting matching portion, and the limiting portion is matched with the limiting matching portion to limit the base portion 440 to slide downwards along the arc-shaped inner side surface of the volute 110, so as to play a role of pre-positioning in the mounting and fixing process of the connecting piece 400. Specifically, referring to fig. 8, the mounting portion 130 includes two mounting side plates 131 and a mounting front side plate 132 connected to front ends of the two mounting side plates 131, an inner cavity 133 is formed between the mounting side plates 131 and the mounting front side plate 132, and a screw post 134 is disposed in the inner cavity 133. As shown in fig. 5, the limiting portion is a limiting protrusion 444 disposed in the mounting cavity 443, the limiting engagement portion is a limiting baffle 135 disposed in the inner cavity 133, and the limiting protrusion 444 abuts against one side of the limiting baffle 135 close to the upper end of the volute 110.
Referring to 5, a positioning protrusion 445 is further arranged in the mounting cavity 443, the mounting side plate 131 is clamped between the positioning protrusion 445 and the two base side plates 441, and the positioning protrusion 445 can play a role in mounting and positioning, and can further prevent the connecting piece 400 from moving axially to play a role in fixing.
Further, as shown in fig. 8, the inner side surface of the scroll casing 110 has a groove 140 recessed downward, the mounting portion 130 is disposed in the groove 140, the outer side surface of the base portion 440 of the connector 400 abuts against the inner side surface of the groove 140, and the groove 140 is disposed to further perform the mounting, positioning, and fixing functions.
In order to further improve the installation positioning and connection firmness between the connector 400 and the frame 100, as shown in fig. 2, the volute 110 extends upward to form a volute tongue 120 at the end facing the air inlet above the air duct. The outer side wall of the outer circular part 410 of the connecting piece 400 is provided with a clamping hook part 411 with a downward opening, the edge of the volute tongue 120 is clamped into the clamping hook part 411, so that the connecting piece 400 and the framework 100 can be firmly fixed, and the connecting piece 400 is prevented from shaking in the running process of the fan.
In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. An indoor unit of an air conditioner, comprising:
the device comprises a framework, a bearing seat and a motor, wherein a volute is formed on the framework, and the two ends of the volute are respectively provided with the bearing seat and the motor;
a plurality of cross-flow fans coaxially disposed within the volute; the two ends of the cross-flow fan are respectively provided with a shaft sleeve and a rotating shaft, and the cross-flow fans are respectively connected end to end through the shaft sleeves and the rotating shafts; a rotating shaft of the cross flow fan positioned at one end is supported on the bearing block through a first bearing, and a shaft sleeve of the cross flow fan positioned at the other end is connected with a motor shaft of the motor;
the connector comprises a connecting piece and a second bearing, and is arranged on the framework and positioned between two adjacent cross-flow fans; the connecting piece is provided with a through hole which is axially arranged, the second bearing is arranged in the through hole, and a rotating shaft of the cross-flow fan is supported on the connecting piece through the second bearing.
2. An indoor unit of an air conditioner as claimed in claim 1, wherein an installation part is provided on an arc inner side surface of the scroll casing, and the connection member is fixedly connected to the installation part by a fastening member.
3. An indoor unit of an air conditioner according to claim 2, wherein the connection member includes:
the outer circular ring part is sleeved at the joint of two adjacent cross flow fans;
the inner circular part is coaxially arranged in the outer circular part;
the annular connecting part is connected between the outer annular part and the inner annular part;
and the base part extends downwards to the inner side surface of the volute along the outer circular ring part.
4. An indoor unit of an air conditioner according to claim 3, wherein the base part comprises two base side plates extending downwards along the edge of the outer circular ring part and a base front side plate connected to the front ends of the two base side plates, a mounting cavity is formed between the base side plates and the base front side plate, and the mounting part on the volute is clamped in the mounting cavity; the outer ring portion is provided with a screw hole, the mounting portion is correspondingly provided with a screw column, and the fastener passes through the screw hole and the screw column to connect the connecting piece with the mounting portion in fixed connection.
5. An indoor unit of an air conditioner according to claim 4, wherein two screw holes are provided on the outer circular ring portions on both sides of the circular ring connecting portion, and two screw posts are correspondingly provided on the mounting portion.
6. An indoor unit of an air conditioner as claimed in claim 4, wherein a limiting part is provided in the mounting chamber, the mounting part has a limiting engaging part, and the limiting part engages with the limiting engaging part to limit the base part from sliding downward along the arc inner side surface of the scroll casing.
7. An indoor unit of an air conditioner according to claim 6, wherein the mounting portion includes two mounting side plates and a mounting front side plate connected to front ends of the two mounting side plates, an inner cavity is formed between the mounting side plates and the mounting front side plate, and the screw post is disposed in the inner cavity; the limiting part is a limiting protrusion arranged in the installation cavity, the limiting matching part is a limiting baffle arranged in the inner cavity, and the limiting protrusion is abutted to one side, close to the upper end of the volute, of the limiting baffle.
8. An indoor unit of an air conditioner as claimed in claim 7, wherein a positioning protrusion is provided in the installation cavity, and the installation side plate is clamped between the positioning protrusion and the two base side plates.
9. An indoor unit of an air conditioner according to claim 3, wherein an inner side surface of the scroll casing has a recess portion formed by being depressed downward, the mounting portion is provided in the recess portion, and an outer side surface of the base portion of the connecting member abuts against an inner side surface of the recess portion.
10. An indoor unit of an air conditioner according to any one of claims 3 to 9, wherein the scroll casing extends upward to form a scroll tongue at an end portion facing the air inlet above the air duct; the outer side wall of the outer ring part is provided with a clamping hook part with a downward opening, and the volute tongue is clamped in the clamping hook part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022620194.9U CN214038653U (en) | 2020-11-12 | 2020-11-12 | Indoor unit of air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022620194.9U CN214038653U (en) | 2020-11-12 | 2020-11-12 | Indoor unit of air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214038653U true CN214038653U (en) | 2021-08-24 |
Family
ID=77358955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022620194.9U Active CN214038653U (en) | 2020-11-12 | 2020-11-12 | Indoor unit of air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214038653U (en) |
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2020
- 2020-11-12 CN CN202022620194.9U patent/CN214038653U/en active Active
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