CN217357219U

CN217357219U - Air conditioner indoor unit

Info

Publication number: CN217357219U
Application number: CN202221359993.8U
Authority: CN
Inventors: 陈正忠; 郭华锋; 申亮; 黄民柱; 李德鹏
Original assignee: Hisense Guangdong Air Conditioning Co Ltd
Current assignee: Hisense Guangdong Air Conditioning Co Ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-09-02
Anticipated expiration: 2032-05-31

Abstract

The utility model relates to the technical field of air conditioners and discloses an air conditioner indoor unit, which comprises a casing, a plurality of filtering components, a driving motor, at least one connecting rod, a plurality of driving gears, a plurality of first scroll shafts and a plurality of second scroll shafts; the top side of the shell is provided with a plurality of air inlets which are arranged at left and right intervals; a plurality of filter components are arranged in the shell at left and right intervals; the plurality of driving gears are arranged at intervals along the left-right direction, and adjacent driving gears are connected through connecting rods; the first reels extend left and right respectively and are rotatably mounted on the base, and the second reels extend left and right respectively and are rotatably mounted on the base; wherein, each filter screen is respectively tensioned between the corresponding first reel and the second reel. The utility model discloses a driving motor drives a plurality of first spools and a plurality of second spools simultaneously and rotates, realizes the rolling of a plurality of filter screens on first spool and second spool and unreels, has simplified the drive structure of machine in the air conditioning.

Description

Air conditioner indoor unit

Technical Field

The utility model relates to an air conditioning technology field especially relates to an indoor unit of air conditioner.

Background

The indoor unit of the air conditioner is used as a part of an air conditioning system and is arranged indoors and used for exchanging heat with indoor air so as to increase or decrease the indoor temperature.

The air-conditioning indoor unit is provided with an air inlet and an air outlet, wherein the air inlet is provided with a filter screen to filter air entering the air-conditioning indoor unit and prevent impurities such as dust and the like from entering the air-conditioning indoor unit; after the air conditioner is used for a period of time, impurities such as dust and the like attached to the filter screen are too much, so that partial filter holes in the filter screen are blocked, the air intake is reduced, and the refrigeration or heating efficiency of the air conditioner is influenced. At present, in order to keep the air conditioner running efficiently, a rolling brush is arranged in an indoor unit of the air conditioner, sundries attached to a filter screen are brushed away into a dust collecting box by the rolling brush, and the dust collecting box is cleaned regularly.

However, in order to realize the movement of the filter relative to the self-cleaning element, the driving structure built in the indoor unit of the air conditioner is generally complicated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: an air conditioner indoor unit which has a simple structure and can drive a filter screen to move relatively from a cleaning piece.

In order to achieve the above object, the utility model provides an indoor unit of air conditioner, include:

the top side of the shell is provided with a plurality of air inlets which are arranged at left and right intervals;

a plurality of filter assemblies arranged in the casing at left and right intervals; the filter assembly comprises a base arranged on the shell, a self-cleaning piece arranged on the base and a filter screen which is arranged on the base and correspondingly covers the air inlet;

a driving motor installed on the cabinet;

at least one connecting rod extending left and right and connected to the power output end of the driving motor;

the driving gears are arranged at intervals along the left-right direction, and the adjacent driving gears are connected through the connecting rods;

a plurality of first reels which extend left and right and are rotatably mounted on the base, a first driven gear engaged with the corresponding drive gear being mounted on an end of each of the first reels, and

a plurality of second reels which extend left and right and are rotatably mounted on the base, and a second driven gear which is engaged with the corresponding first driven gear is mounted on an end of each of the second reels;

the filter screens are respectively tensioned between the corresponding first reel and the corresponding second reel, the driving motor drives the filter screens to move along a preset track, so that different areas of the filter screens are opposite to the self-cleaning piece, and the self-cleaning piece can clean the areas of the filter screens opposite to the self-cleaning piece.

In some embodiments, a predetermined hole with a polygonal cross section is opened in the middle of the driving gear, and the cross section of the connecting rod is a polygon matched with the predetermined hole; between adjacent drive gears, one end of the connecting rod penetrates into a preset hole of one of the drive gears, and the other end of the connecting rod penetrates into a preset hole of the other drive gear.

In some embodiments, each of the self-cleaning elements comprises:

the rolling brush can brush out sundries attached to the filter screen, and the rolling brush extends left and right and is rotatably installed on the base; a third driven gear is mounted at the end part of the rolling brush;

the air-conditioning indoor unit further comprises a dust collection box and a plurality of intermediate gears, a third driven gear on each rolling brush is meshed with the corresponding first driven gear through the corresponding intermediate gear, and the dust collection box is installed on the base and is located below the plurality of rolling brushes so as to collect sundries brushed off from the filter screen.

In some embodiments, a plurality of mounting grooves are formed on a front side of the housing, and each of the bases includes:

the installation department, the installation department corresponds to be installed in the mounting groove, the installation cavity has in the installation department, first spool the second spool and the round brush all locates in the installation cavity, first driven gear the second driven gear intermediate gear and third driven gear all rotate install in the outside of installation department.

In some embodiments, a first prism is arranged in the middle of the first driven gear, a first hole matched with the first prism is arranged on the end part of the first reel, and the first prism penetrates through the mounting part and is inserted into the first hole; a second prism is arranged in the middle of the second driven gear, a second hole matched with the second prism is formed in the end part of the second reel, and the second prism penetrates through the mounting part and is inserted into the second hole; the middle part of third driven gear is equipped with the third prism, be equipped with on the tip of round brush with the third hole of third prism adaptation, the third prism passes the installation department inserts and establishes to it is downthehole that the third.

In some embodiments, a first bearing is sleeved on the outer periphery of the first prism, and the first driven gear is rotatably mounted on the outer side of the mounting part through the first bearing; a second bearing is sleeved on the periphery of the second prism, and the second driven gear is rotatably mounted on the outer side of the mounting part through the second bearing; the periphery of third prism is equipped with the third bearing in the cover, third driven gear passes through third bearing rotation is installed on the outside of installation department.

In some embodiments, an accommodating cavity is respectively formed at an outer side of each of the mounting portions, and the first driven gear, the second driven gear, the intermediate gear, and the third driven gear are all mounted in the accommodating cavity.

In some embodiments, a notch is formed in a side wall of the accommodating chamber, the first driven gear portion extends out of the notch, and the driving gear is engaged with the first driven gear extending out of the notch.

In some embodiments, the first and second driven gears are identical in number of teeth.

In some embodiments, the number of the air inlet, the filter assembly, the first reel and the second reel is two, and the number of the connecting rods is one.

The embodiment of the utility model provides an indoor unit of air conditioner compares with prior art, and its beneficial effect lies in:

the utility model provides an indoor set of air conditioning is through setting up a plurality of air intakes, filtering component, first spool and second spool, has improved the air inlet volume and the air output of this embodiment's indoor set of air conditioning, and then has improved refrigeration or the effect of heating. After working for a period of time, the filter screens are adhered with more sundries, and then the self-cleaning process of the indoor unit of the air conditioner is started; from cleaning the in-process, driving motor operates, it rotates to drive the connecting rod through power take off end, and then it is rotatory to drive a plurality of drive gears, it is rotatory to drive each first driven gear respectively through a plurality of drive gears, then drive each first spool and rotate, and simultaneously, each first driven gear still drives a plurality of second driven gear rotations rather than corresponding the meshing, and then drive each second spool and rotate, therefore, under the effect of first spool and second spool, the filter screen of tensioning between first spool and second spool moves along predetermined orbit, make different regions on each filter screen relative with self-cleaning in proper order, clean the filter screen in different regions by self-cleaning.

Based on above-mentioned working process, the utility model discloses an indoor set of air conditioner passes through a power supply, and a driving motor drives a plurality of first spools and a plurality of second spool simultaneously promptly and rotates, realizes the rolling of a plurality of filter screens on first spool and second spool and unreels, has simplified the drive structure of indoor set of air conditioner, and simple structure just can drive the filter screen and remove from cleaning relatively.

Drawings

Fig. 1 is a structural view of an air conditioning indoor unit according to an embodiment of the present invention.

Fig. 2 is a structural view of the indoor unit of an air conditioner according to an embodiment of the present invention after the casing is removed.

Fig. 3 is an enlarged view of fig. 2 at a.

Fig. 4 is a front view of an air conditioning indoor unit according to an embodiment of the present invention.

Fig. 5 is a sectional view taken along line B-B in fig. 4.

Fig. 6 is an enlarged view at C in fig. 5.

Fig. 7 is a structure view of a casing of an air conditioner indoor unit according to an embodiment of the present invention.

Fig. 8 is a structural view of the indoor unit of an air conditioner according to the embodiment of the present invention after removing the filter assembly and the casing.

Fig. 9 is an enlarged view at D in fig. 8.

Fig. 10 is a structural view of a filter assembly of an air conditioner indoor unit according to an embodiment of the present invention.

In the figure, 100, a housing; 110. an air inlet; 120. mounting grooves;

200. a filter assembly; 210. a base; 211. installing a chamber; 212. an accommodating cavity; 213. a notch; 220. a self-cleaning element; 221. a third driven gear; 222. a third prism; 230. filtering with a screen;

300. a drive motor; 310. a drive gear;

400. a first reel; 410. a first driven gear; 420. a first prism;

500. a second reel; 510. a second driven gear; 520. a second prism;

600. an intermediate gear;

700. a dust collecting box;

800. a connecting rod.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "left and right", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, 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 specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the field of air conditioning, an indoor unit of an air conditioner is provided with a heat exchanger inside, and the indoor unit is placed indoors and heats or cools indoor air through the built-in heat exchanger to achieve a heating or cooling effect, and generally includes a casing 100, a heat exchanger disposed inside the casing 100 and connected to an outdoor unit of the air conditioner, and a fan for sucking and pumping the indoor air, wherein when the air conditioner works, the fan rotates to suck the indoor air from an air inlet 110 of the casing 100, so that the indoor air is pumped out from an air outlet of the casing 100 after passing through the heat exchanger to exchange heat with the heat exchanger.

As shown in fig. 1 to 10, an indoor unit of an air conditioner according to an embodiment of the present invention includes a casing 100, a plurality of filter assemblies 200, a driving motor 300, at least one connecting rod 800, a plurality of driving gears 310, a plurality of first reels 400, and a plurality of second reels 500; a plurality of air inlets 110 arranged at left and right intervals are formed on the top side of the casing 100; a plurality of filter assemblies 200 are arranged in the cabinet 100 at intervals from left to right; the filter assembly 200 includes a base 210 installed on the casing 100, a self-cleaning element installed on the base 210, and a filter screen 230 installed on the base 210 and correspondingly covering the intake vent 110; the driving motor 300 is installed on the cabinet 100; the connecting rod 800 extends left and right and is connected to the power output end of the driving motor 300; the plurality of driving gears 310 are arranged at intervals along the left-right direction, and adjacent driving gears 310 are connected through a connecting rod 800; the plurality of first reels 400 extend left and right and are rotatably mounted on the base 210, a first driven gear 410 engaged with the corresponding driving gear 310 is mounted on an end portion of each first reel 400, the plurality of second reels 500 extend left and right and are rotatably mounted on the base 210, and a second driven gear 510 engaged with the corresponding first driven gear 410 is mounted on an end portion of each second reel 500; wherein, each filter screen 230 is tensioned between the corresponding first reel 400 and second reel 500, and the driving motor 300 drives each filter screen 230 to move along a predetermined track, so that different areas of each filter screen 230 are arranged opposite to the self-cleaning element, and the self-cleaning element can clean the area of the filter screen 230 opposite to the self-cleaning element.

The air-conditioning indoor unit provided by this embodiment has the advantages that the air inlet volume and the air outlet volume of the air-conditioning indoor unit of this embodiment are increased by the arrangement of the plurality of air inlets 110, the filter assembly 200, the first scroll 400 and the second scroll 500, and the cooling or heating effect is further improved. After working for a period of time, the filter screens 230 are attached with more sundries, and then the air conditioner indoor unit enters a self-cleaning process; in the self-cleaning process, the driving motor 300 operates, the connecting rod 800 is driven to rotate through the power output end, and then the plurality of driving gears 310 are driven to rotate, the plurality of driving gears 310 are respectively driven to rotate, and then the plurality of first reels 400 are driven to rotate, meanwhile, the plurality of second driven gears 510 which are correspondingly meshed with the first driven gears 410 are also driven to rotate by the first driven gears 410, and then the plurality of second reels 500 are driven to rotate, therefore, under the action of the first reels 400 and the second reels 500, the filter screens 230 tensioned between the first reels 400 and the second reels 500 move along a preset track, different areas on the filter screens 230 are sequentially opposite to the self-cleaning element 220, and the filter screens 230 in different areas are cleaned by the self-cleaning element 220.

Based on above-mentioned working process, the air conditioning of this embodiment is indoor through a power supply, and a driving motor 300 drives a plurality of first reels 400 and a plurality of second reel 500 simultaneously and rotates promptly, realizes the rolling of a plurality of filter screens 230 on first reel 400 and second reel 500 and unreels, has simplified the drive structure of air conditioning indoor, and simple structure just can drive filter screen 230 and remove from cleaning piece 220 relatively.

In some embodiments, referring to fig. 1 to 10, a predetermined hole having a polygonal cross section is formed in the middle of the driving gear 310, and the cross section of the connecting rod 800 is a polygon adapted to the predetermined hole; between the adjacent driving gears 310, one end of the link 800 penetrates into a predetermined hole of one of the driving gears 310, and the other end of the link 800 penetrates into a predetermined hole of the other one of the driving gears 310. In this embodiment, the predetermined holes with polygonal cross-sections are formed in the driving gears 310, so that the rotation of the connecting rod 800 can be effectively converted into the rotation of the driving gears 310 after the connecting rod 800 penetrates into the driving gears 310.

In some embodiments, referring to fig. 1-10, each cleaning element includes a roller brush; the rolling brush can brush out sundries attached to the filter screen 230, and the rolling brush extends left and right and is rotatably installed on the base 210; a third driven gear 221 is mounted on the end of the rolling brush; the indoor unit of the air conditioner further includes a dust collection box 700 and a plurality of intermediate gears 600, the third driven gear 221 of each roller brush is engaged with the corresponding first driven gear 410 through the corresponding intermediate gear 600, and the dust collection box 700 is mounted on the base 210 below the plurality of roller brushes to collect the dust brushed from the filter screen 230. In this embodiment, the impurities attached to the filter screen 230 are brushed off by the arrangement of the rolling brush and collected in the dust collecting box 700; meanwhile, through the arrangement of the intermediate gear 600 and the third driven gear 221, the driving motor 300 can drive the rolling brush to rotate in the direction opposite to that of the filter screen 230, so that a good brushing effect is achieved on the filter screen 230, and the driving structure of the indoor unit of the air conditioner is further simplified.

In some embodiments, referring to fig. 1 to 10, a plurality of mounting grooves 120 are formed on a front side of the housing 100, and each base 210 includes a mounting portion; the installation part is correspondingly installed in the installation groove 120, an installation chamber 211 is arranged in the installation part, the first reel 400, the second reel 500 and the rolling brush are all arranged in the installation chamber 211, and the first driven gear 410, the second driven gear 510, the intermediate gear 600 and the third driven gear 221 are all rotatably installed on the outer side of the installation part. In the present embodiment, the first driven gear 410, the second driven gear 510, the intermediate gear 600, and the third driven gear 221 are respectively connected to corresponding members in the installation chamber 211 through the installation portion, and the first reel 400, the second reel 500, and the rolling brush are built in the installation chamber 211, so that the foreign materials brushed off on the screen 230 can be prevented from being scattered into the cabinet 100.

In some embodiments, referring to fig. 1 to 10, a first prism 420 is disposed in the middle of the first driven gear 410, a first hole adapted to the first prism 420 is disposed on an end of the first reel 400, and the first prism 420 passes through the mounting portion and is inserted into the first hole; a second prism 520 is arranged in the middle of the second driven gear 510, a second hole matched with the second prism 520 is arranged at the end part of the second reel 500, and the second prism 520 penetrates through the mounting part and is inserted into the second hole; the third driven gear 221 is provided at a middle portion thereof with a third prism 222, the end portion of the roll brush is provided with a third hole adapted to the third prism 222, and the third prism 222 penetrates the mounting portion and is inserted into the third hole. In this embodiment, the first driven gear 410, the second driven gear 510, and the third driven gear 221 are respectively connected to the first reel 400, the second reel 500, and the rolling brush in correspondence with each other by the arrangement of the first prism 420, the first hole, the second prism 520, the second hole, the third prism 222, and the third hole, so that the driving effect is stable.

In some embodiments, referring to fig. 1 to 10, a first bearing is sleeved on an outer circumference of the first prism 420, and the first driven gear 410 is rotatably mounted on an outer side of the mounting portion through the first bearing; a second bearing is sleeved on the periphery of the second prism 520, and the second driven gear 510 is rotatably mounted on the outer side of the mounting part through the second bearing; a third bearing is fitted around the outer circumference of the third prism 222, and the third driven gear 221 is rotatably mounted on the outer side of the mounting portion through the third bearing. In the present embodiment, the first driven gear 410, the second driven gear 510, and the third driven gear 221 are rotatably connected to the outside of the mounting portion by the provision of the first bearing, the second bearing, and the third bearing.

In some embodiments, referring to fig. 1 to 10, an accommodating cavity 212 is respectively disposed at an outer side of each mounting portion, and the first driven gear 410, the second driven gear 510, the intermediate gear 600 and the third driven gear 221 are all mounted in the accommodating cavity 212. In this embodiment, by the arrangement of the accommodating cavity 212, the first driven gear 410, the second driven gear 510, the intermediate gear 600 and the third driven gear 221 are well protected and hidden, so that the wiring and the damage of the operating components to other components are facilitated.

In some embodiments, referring to fig. 1 to 10, a notch 213 is formed on a sidewall of the accommodating cavity 212, a portion of the first driven gear 410 extends from the notch 213, and the driving gear 310 is engaged with the first driven gear 410 extending from the notch 213. In the present embodiment, the engagement between the driving gear 310 and the first driven gear 410 is realized by the provision of the notch 213.

In some embodiments, referring to fig. 1 to 10, the number of teeth of the first driven gears 410 is the same as that of the second driven gears 510, so as to ensure that the rotation speed of each first winding shaft 400 is the same as that of each second winding shaft 500, and each filter screen 230 is always tensioned on the corresponding first winding shaft 400 and second winding shaft 500.

In some embodiments, referring to fig. 1 to 10, the number of the intake vent 110, the filter assembly 200, the first reel 400 and the second reel 500 is two, and the number of the connecting rods 800 is one. In this embodiment, the number of the air inlet 110, the number of the filter assembly 200, the number of the first scroll 400, and the number of the second scroll 500 are respectively set to two, so that the volume of the indoor unit of the air conditioner is not too large while the air inlet volume is ensured, and the structural layout of the indoor unit of the air conditioner is optimized.

In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An indoor unit of an air conditioner, comprising:

a driving motor installed on the cabinet;

2. An indoor unit of an air conditioner as claimed in claim 1, wherein a predetermined hole having a polygonal cross section is formed in a middle portion of the driving gear, and the cross section of the link has a polygonal shape adapted to the predetermined hole;

between adjacent drive gears, one end of the connecting rod penetrates into a preset hole of one of the drive gears, and the other end of the connecting rod penetrates into a preset hole of the other one of the drive gears.

3. An indoor unit of an air conditioner according to claim 1, wherein each of the self-cleaning members includes:

the rolling brush can brush out sundries attached to the filter screen, and the rolling brush extends left and right and is rotatably installed on the base; a third driven gear is mounted on the end part of the rolling brush;

4. An indoor unit of an air conditioner according to claim 3, wherein a plurality of mounting grooves are formed in a front side of the cabinet, and each of the bases includes:

5. An indoor unit of an air conditioner as claimed in claim 4, wherein a first prism is provided in the middle of the first driven gear, a first hole adapted to the first prism is provided in the end of the first winding shaft, and the first prism passes through the mounting portion and is inserted into the first hole;

a second prism is arranged in the middle of the second driven gear, a second hole matched with the second prism is formed in the end part of the second reel, and the second prism penetrates through the mounting part and is inserted into the second hole;

the middle part of third driven gear is equipped with the third prism, be equipped with on the tip of round brush with the third hole of third prism adaptation, the third prism passes the installation department inserts and establishes to it is downthehole that the third.

6. An indoor unit of an air conditioner according to claim 5, wherein a first bearing is fitted around an outer periphery of the first prism, and the first driven gear is rotatably mounted on an outer side of the mounting portion via the first bearing;

a second bearing is sleeved on the periphery of the second prism, and the second driven gear is rotatably mounted on the outer side of the mounting part through the second bearing;

the periphery of third prism is equipped with the third bearing in the cover, third driven gear passes through third bearing rotation is installed on the outside of installation department.

7. An indoor unit of an air conditioner according to claim 4, wherein an accommodation chamber is provided outside each of the mounting portions, and the first driven gear, the second driven gear, the intermediate gear, and the third driven gear are installed in the accommodation chamber.

8. An indoor unit of an air conditioner as defined in claim 7, wherein a notch is formed in a side wall of the receiving chamber, the first driven gear portion is protruded from the notch, and the driving gear is engaged with the first driven gear protruded from the notch.

9. An indoor unit of an air conditioner according to claim 1, wherein the first driven gear and the second driven gear have the same number of teeth.

10. An indoor unit of an air conditioner according to claim 1, wherein the number of the air inlet, the filter assembly, the first winding shaft and the second winding shaft is two, and the number of the connecting rods is one.