CN212719969U - Air conditioner indoor unit - Google Patents

Abstract

The utility model provides an indoor unit of air conditioner, include: a housing; the air inlet part is arranged on the shell, an air inlet penetrating through the air inlet part is formed in the upper end of the air inlet part, an installation space is formed between the fresh air inlet and the air inlet, the filter screen is arranged in the installation space through an installation opening, a pin shaft hole is formed in the upper end of the installation opening of the air inlet part, and a pit is formed in the upper end of the pin shaft hole; the top end of the fixed piece is provided with a pin shaft, the upper end of the pin shaft of the fixed piece is provided with a buckle capable of being clamped into the pit, the two sides of the pin shaft are provided with stop parts, when the buckle is positioned in the pit, the fixed piece is limited from axially moving relative to the air inlet part, and the stop parts are abutted against the plane at the upper end of the mounting opening to limit the fixed piece from rotating relative to the air inlet part; when the buckle is separated from the pit, the fixing sheet is axially moved until the stop piece is separated from the plane at the upper end of the mounting opening, so that the fixing sheet rotates relative to the air inlet part. The beneficial effects of the utility model reside in that: the installation of the fresh air filter screen of the air conditioner is convenient.

Description

Air conditioner indoor unit

Technical Field

The utility model belongs to the technical field of the air conditioner, especially, relate to an indoor unit of air conditioner.

Background

At present, the air conditioner with new trend function need filter the air through setting up the filter screen at the air intake, reduces the dust that gets into indoor air and carry, nevertheless when the filter screen after long-term the use, need carry out the dismouting and change the filter screen, and traditional air conditioner needs loaded down with trivial details step at the dismouting filter screen, and inconvenient user changes the filter screen.

Disclosure of Invention

An embodiment of the utility model provides an indoor set of air conditioning, provide a simple and easy dismouting filter screen and improve the indoor set of air conditioning of filter screen usable floor area during the main objective.

The utility model discloses an in the embodiment, air intake part is provided with the air intake, forms installation space between air intake and the new trend air intake, and the filter screen passes through the installing port and sets up in installation space, and inside the air that makes the entering air intake passed through the filter screen and flows in the casing, the air-out quality of improvement air conditioner.

The utility model discloses an in the embodiment, the air intake part sets up the round pin shaft hole on the installing port, sets up the round pin axle on the stationary blade, rotates through round pin axle and round pin shaft hole to be connected, makes the relative air intake part of stationary blade rotate, when making the filter screen setting in installation space, prevents that the filter screen from deviating from the air intake part.

The utility model discloses an in the embodiment, air intake part sets up the pit in round pin shaft hole upper end, and the stationary blade sets up the buckle in round pin epaxial end, and the buckle is spherical structure, and when the buckle was located the pit, the relative air intake part axial displacement of restriction stationary blade prevented that the round pin axle of stationary blade from deviating from in the round pin shaft hole of air intake part.

The utility model discloses an in the embodiment, the one end that the stationary blade was kept away from to the round pin axle is spindle end for spindle column structure, and spindle end is provided with the cross opening, makes the round pin axle of stationary blade can insert the round pin shaft hole when the spindle end contracts, and spindle end restriction round pin axle prevents that the stationary blade from breaking away from the air intake part relative to the biggest axial displacement of air intake part.

The utility model discloses an in the embodiment, sell epaxial interval setting and encircle first strengthening rib and the second strengthening rib of round pin axle, first strengthening rib and second strengthening rib protrusion in the surface of round pin axle for when the round pin axle is located the round pin axle hole, first strengthening rib and second strengthening rib replace round pin axle and round pin axle hole contact, make the stationary blade more steady when rotating.

The utility model discloses an in the embodiment, the stationary blade is provided with the stop part in the both sides of round pin axle, and the stop part supports on the plane of air intake part installing port upper end to the rotation of restriction stationary blade prevents that the stationary blade from rotating, and the filter screen deviates from the air intake part.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 these drawings without creative efforts.

Fig. 1 is a schematic view of an indoor unit of an air conditioner according to an embodiment of the present invention;

FIG. 2 is a schematic view of a securing tab of an embodiment of the present invention in a locked position;

FIG. 3 is a schematic view of the fixing plate of the embodiment of the present invention in an unlocking position;

FIG. 4 is a schematic view illustrating the axial displacement of the fixing plate to the unlocking position according to the embodiment of the present invention;

FIG. 5 is an enlarged view taken at A in FIG. 4;

FIG. 6 is a schematic view of the fixing plate axially displaced to a locking position according to an embodiment of the present invention;

FIG. 7 is an enlarged view at B in FIG. 6;

FIG. 8 is a schematic view of a securing tab according to an embodiment of the present invention;

FIG. 9 is a schematic view of an air intake assembly according to an embodiment of the present invention;

FIG. 10 is an enlarged view at C of FIG. 9;

FIG. 11 is a cross-sectional view of a securing tab of an embodiment of the present invention in a locked position;

FIG. 12 is an enlarged view at D of FIG. 11;

1. a housing; 101. mounting position; 2. an air inlet component; 201. an air inlet; 202. a pin shaft hole; 203. a pit; 204. an installation port; 3. a filter screen; 4. a fixing sheet; 41. a pin shaft; 411. a first reinforcing rib; 412. a second reinforcing rib; 413. a spindle end; 42. a first stopper; 43. a second stopper; 44. and (5) buckling.

Detailed Description

The present invention is specifically described below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.

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, 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; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, an air conditioner indoor unit according to the present application has an air outlet provided at a front side of a cabinet 1, a blower fan and an evaporator provided in the cabinet 1, and performs a refrigeration cycle of the air conditioner by using a compressor, a condenser, an expansion valve and the evaporator. The refrigeration cycle includes a series of processes involving compression, condensation, expansion, and heat exchange, and supplies refrigerant to the air that has been conditioned and heat exchanged.

The fan is used for sending cold air or hot air into the room for users to use.

The right side of the casing 1 is provided with a fresh air inlet 101 for installing the air inlet component 2, and the fresh air inlet 101 is provided with a corresponding bolt hole for fixing the air inlet component 2 on the casing 1.

Referring to fig. 1-12, in the embodiment of the present invention, the indoor unit of the air conditioner needs to purify the air entering the casing 1, so as to set the air intake component 2 on the casing 1, the whole air intake component 2 is in a pagoda shape, the upper end of the air intake component 2 is provided with a circular air intake 201, the air intake 201 runs through the air intake component 2, the air intake 201 is communicated with the fresh air intake 101, and the air entering the air intake 201 can pass through the air intake component 2 and enter the casing 1.

The lower extreme of air intake part 2 is provided with filter screen 3, and the shape of filter screen 3 matches with the shape of 2 lower extremes of air intake part the utility model discloses an in the embodiment, the lower extreme of air intake part 2 is the rectangle, consequently, filter screen 3 is the rectangle to air intake part 2 can be matchd to filter screen 3, installs filter screen 3 inside air intake part 2.

In order to prevent the air conditioner from being operated, the filter screen 3 is separated from the air inlet part 2, the fixing plate 4 is provided to prevent the filter screen 3 from being separated from the air inlet part 2 according to the embodiment of the present application, and the air inlet part 2 and the fixing plate 4 according to some embodiments of the present invention are described below with reference to fig. 2 to 12.

The lower end of the air inlet component 2 is provided with an installation opening 204, when the air inlet component 2 is installed on the casing 1, an installation space for installing the filter screen 3 is formed between the fresh air inlet 101 and the air inlet 202, and the filter screen 3 is put into the air inlet component 2 through the installation opening 204 or pulled out from the air inlet component 2.

The area of the mounting opening 204 is matched to the filter screen 3 so that the filter screen 3 can be just inserted into the air intake part 2 from the mounting opening 204 and the mounting opening 204 is prevented from being too large, which causes air to flow out of the mounting opening 204.

The plane at the upper end of the mounting opening 204 is a mounting surface S1, the air intake component 2 is provided with a pin shaft hole 202 on the mounting surface S1, and the pin shaft hole 202 protrudes from the mounting surface S1.

The fixing plate 4 is a plate-shaped structure, the upper end of the fixing plate 4 is fixedly connected with a pin shaft 41, and the diameter of the pin shaft 41 is smaller than that of the pin shaft hole 202, so that the pin shaft 41 and the pin shaft hole 202 form clearance fit, the fixing plate 4 is rotatably connected to the air inlet part 2, and the fixing plate rotates relative to the air inlet part 2 through the pin shaft 41.

In order to facilitate the insertion of the pin shaft 41 into the pin shaft hole 202 without easily coming out of the pin shaft hole 202, the end of the pin shaft 41 away from the fixing piece 4 forms a spindle end 413 in a spindle shape, and a cross opening is formed in the spindle end 413 in the axial direction, so that the spindle end 413 is locked when an external force is applied to the spindle end 413, and the spindle end 413 passes through the pin shaft hole 202.

In order to improve the stability of the rotation of the pin 41, the pin 41 is provided with a first reinforcing rib 411 surrounding the pin 41 at a position close to the fixing plate 4, and a second reinforcing rib 412 surrounding the pin 41 at a position close to the spindle end 413, and when the pin 41 is located in the pin hole 202, the first reinforcing rib 411 and the second reinforcing rib 412 contact the inner wall of the pin hole 202.

The diameter of the pin shaft hole 202 is D1, the diameter of the pin shaft 41 is D2, the diameters of the first reinforcing rib 411 and the second reinforcing rib 412 are D3, the diameter of the highest point in the middle of the spindle end 413 is D4, and the diameter of the tail end of the spindle end 413 is D5.

The pin shaft 41 is in clearance fit with the pin shaft hole 202, so that the D1 is larger than or equal to D2, the single-side fit clearance is R1, the R1 meets the condition that R1 is equal to (D1-D2)/2 is equal to 0.3mm, the first reinforcing rib 411 and the second reinforcing rib 412 are also in clearance fit with the pin shaft hole 202, the single-side fit clearance is R2, and the R2 meets the condition that R2 is equal to (D1-D3)/2 is equal to 0.1 mm.

The air inlet part 2 is provided with a concave pit 203 at the upper end of the pin shaft hole 202, the concave pit 203 is a spherical groove which is concave downwards, the fixing plate 4 is provided with a buckle 44 at the top end, the buckle 44 is a spherical bulge corresponding to the concave pit 203, when the pin shaft 41 is inserted into the pin shaft hole 202, the fixing plate 4 is tightly attached to the mounting plane S1 at the upper end of the mounting hole 204, the buckle 44 of the fixing plate 4 is hung in the concave pit 203, and the axial displacement of the fixing plate 4 relative to the air inlet part 2 is limited.

The pin shaft 41 is in clearance fit with the pin shaft hole 202, so that a clearance is reserved between the pin shaft 41 and the pin shaft hole 202, the pin shaft 41 is inclined so that the rotation axis of the pin shaft 41 deviates from the horizontal line of the pin shaft hole 202, the buckle 44 is separated from the concave pit 203, and the locking of the axial displacement of the fixing plate 4 relative to the air inlet component 2 is released.

The fixing plate 4 is provided with a first stop part 42 and a second stop part 43 at two sides of the pin shaft 41, the first stop part 42 and the second stop part 43 are both cylinders, when the buckle 44 is hung and buckled in the pit 203, the first stop part 42 and the second stop part 43 are tightly attached to the installation plane S1, the radial displacement of the first stop part 42 and the second stop part 43 is limited through the installation plane S1, so that the rotation of the fixing plate 4 is limited, and the filter screen 3 is ensured not to be separated from the air inlet part 2.

In order to ensure that the mounting plane S1 stops limiting the first stopper 42 and the second stopper 43 when the fixing plate 4 moves axially away from the air intake part 2 by a distance L, the length L2 of the first stopper 42 and the second stopper 43 is smaller than the distance L of the fixing plate 4.

The length from the fixing piece 4 to the first reinforcing rib 42 is L3, the length from the first reinforcing rib 42 to the second reinforcing rib 43 is L4, the distance from the second reinforcing rib 43 to the spindle end 413 is L5, the distance L of the axial movement of the fixing piece 4 is less than the distance L5 from the second reinforcing rib 43 to the spindle end 413, when the fixing piece 4 rotates, the spindle end 413 cannot shrink into the pin shaft hole 202, and the rotation of the fixing piece 4 is influenced.

In order to ensure that the first reinforcing rib 42 and the second reinforcing rib 43 are positioned in the pin shaft hole 202 when the fixing plate 4 is pulled out by the length L, the axial length of the pin shaft hole 202 is L1, and the L1 meets the requirement that L1 is > (L3+ L4), namely, the length L1 of the pin shaft hole 202 is greater than the length (L3+ L4) from the fixing plate 4 to the second reinforcing rib 43, when the fixing plate 4 is axially displaced by the length L relative to the air inlet part 2, the first reinforcing rib 42 and the second reinforcing rib 43 are positioned in the pin shaft hole 202, the coaxiality between the pin shaft 41 and the pin shaft hole 202 is kept unchanged, and the rotating stability is ensured.

The stationary blade 4 has set up the handle 45 that conveniently is used for grabbing in the opposite one side that sets up round pin axle 41, and handle 45 is the bellied straight board in 4 surfaces from the stationary blade, conveniently controls the axial displacement and the rotation of stationary blade 4.

The embodiment of the utility model discloses a cooperation through buckle 44 and pit 203 realizes the axial displacement locking of stationary blade 4, through first stop part 42 and second stop part 43.

In summary, the present invention is only a specific embodiment, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention, and all should be covered by the 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 machine shell is provided with an air outlet and a fresh air inlet;

the fan is used for supplying air to the air outlet;

the heat exchanger is used for exchanging heat of air entering the shell;

the air inlet part is arranged at the fresh air inlet and provided with an air inlet penetrating through the air inlet part, an installation space is formed between the fresh air inlet and the air inlet, the side wall of the air inlet part is provided with an installation opening communicated with the installation space, the upper end of the installation opening of the air inlet part is provided with a pin shaft hole, and the upper end of the pin shaft hole is provided with a pit;

the filter screen is detachably arranged in the mounting space;

the top end of the fixed plate is provided with a pin shaft which is rotationally connected with the pin shaft hole, the upper end of the pin shaft is provided with a buckle, the buckle limits the fixed plate to axially move relative to the air inlet part when being positioned in the pit, and the two sides of the pin shaft are provided with stop parts for limiting the rotation of the fixed plate;

wherein the content of the first and second substances,

when the buckle is positioned in the pit, the fixing sheet is limited to axially displace relative to the air inlet part, the stop piece abuts against the plane at the upper end of the mounting opening, and the fixing sheet is limited to rotate relative to the air inlet part; when the buckle is separated from the pit, the fixing piece is axially moved until the stop piece is separated from the plane at the upper end of the mounting opening, so that the fixing piece rotates relative to the air inlet part.

2. An indoor unit of an air conditioner according to claim 1, wherein: one end of the pin shaft, which is far away from the fixing piece, is a spindle end with a cross opening.

3. An indoor unit of an air conditioner according to claim 2, wherein: the pin shaft is in clearance fit with the pin shaft hole, and the single-side fit clearance is larger than or equal to 0.3 mm.

4. An indoor unit of an air conditioner according to claim 3, wherein: the maximum diameter of the spindle end is larger than that of the pin shaft hole, and when the spindle end is shrunk, the maximum diameter of the spindle end is smaller than that of the pin shaft hole.

5. An indoor unit of an air conditioner according to claim 4, wherein: the pin shaft is provided with a first reinforcing rib and a second reinforcing rib at intervals, the first reinforcing rib and the second reinforcing rib surround the pin shaft, the first reinforcing rib is close to the fixed piece, and the second reinforcing rib is close to the spindle end.

6. An indoor unit of an air conditioner according to claim 5, wherein: the first reinforcing rib with the second reinforcing rib with the round pin shaft hole is clearance fit, and unilateral fit clearance is 0.1 mm.

7. An indoor unit of an air conditioner according to claim 5, wherein: the distance of the fixed plate relative to the axial displacement of the air inlet part is greater than the axial length of the stop part, and is less than the distance from the second reinforcing rib to the spindle end, and the distance from the first reinforcing rib to the fixed plate is greater than the axial length of the stop part.

8. An indoor unit of an air conditioner according to claim 7, wherein: the axial length of the pin shaft hole is larger than the length from the fixing piece to the second reinforcing rib.

9. An indoor unit of an air conditioner according to claim 1, wherein: the fixing plate is provided with a handle for grasping.

10. An indoor unit of an air conditioner according to claim 1, wherein: the stop member is a cylinder.

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