CN212457157U

CN212457157U - Detachable and washable indoor unit of air conditioner

Info

Publication number: CN212457157U
Application number: CN202020719554.8U
Authority: CN
Inventors: 向毅; 黄武; 黄民柱
Original assignee: Hisense Guangdong Air Conditioning Co Ltd
Current assignee: Hisense Guangdong Air Conditioning Co Ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2021-02-02
Anticipated expiration: 2030-04-30

Abstract

The utility model relates to the technical field of air conditioners and discloses a detachable and washable air conditioner indoor unit.A support seat can realize the pre-positioning of a shaft sleeve, so that the shaft sleeve is coaxial with a driving shaft, and then the shaft sleeve of a fan is directly inserted into the driving shaft to realize one-time alignment installation, thereby improving the assembly efficiency; be equipped with annular constant head tank in the drive shaft, thus, when assembly fan motor and fan, the drive shaft can be directly blindly inserted to guaranteeing locking screw's locking effect in the axle sleeve, but quick convenient operation, guarantee assembly efficiency, and simultaneously, when dismantling the axle sleeve of fan and fan motor's drive shaft, loosen locking screw, withdraw from one section distance with the fan axle sleeve along axial direction and make it break away from still supported on the supporting seat behind the drive shaft, locking screw on the axle sleeve can be in step through dodging the groove removal, so, can avoid the fan to break away from the wind channel structure and lead to the fan to damage because of losing the support.

Description

Detachable and washable indoor unit of air conditioner

Technical Field

The utility model relates to a technical field of air conditioner especially relates to a machine in removable air conditioning that washes.

Background

With the gradual improvement of living standard of people, the requirement of people on living environment is higher and higher, and the air conditioner is generally applied to the room comfort regulation due to the regulation effect of the air conditioner on the environmental temperature and/or humidity and the like.

A large amount of dust can be accumulated on parts such as an air duct system and the like in the existing air conditioner after the existing air conditioner is used for a period of time, harmful bacteria are easy to breed, and the air conditioner becomes a secondary pollution source and is directly harmful to human health. Because the assembly relation among each spare part of traditional air conditioner is complicated, the user can't unpick and wash by oneself, so the easy unpick and wash air conditioner of present day is more and more extensive, in easy unpick and wash air conditioner, can dismantle between the fan of indoor set and the fan motor of drive fan and be connected, specifically install the drive shaft of fan motor to the axle sleeve of fan, then radially lock on the drive shaft through the locking screw on the axle sleeve, because drive shaft and axle sleeve are clearance fit generally, locking screw butt can cause the drive shaft local to produce the arch and influence the dismouting once more of drive shaft on the drive shaft, need set up the installation space of locking screw on the drive shaft, set up a flat position on the drive shaft in the prior art, during locking, the tip butt of locking screw is on flat position in order to lock drive shaft and fix with fan axle sleeve, can guarantee the many times of drive shaft dismouting smoothly, however, when the indoor unit is mounted after being disassembled, the assembly can be realized only by adjusting the position of the driving shaft to ensure that the flat position on the driving shaft is aligned with the locking screw on the shaft sleeve, and in the limited space of the outer cover of the indoor unit, great inconvenience is brought to the operation, and the assembly efficiency is low; in addition, since the fan motor is disposed on the base body and the fan is disposed on the air duct structure, the fan sleeve needs to be assembled with the fan motor across the air duct structure for a long distance, so that a radial movement space of the fan sleeve end is large, thereby causing difficulty in aligning the fan sleeve with the drive shaft at one time, and the assembly efficiency is low.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: in the prior art, the shaft sleeve of the fan and the driving shaft of the fan motor are difficult to assemble successfully at one time, the assembly efficiency is low, the operation is inconvenient, and the fan is possibly damaged even in the disassembly and assembly process.

In order to solve the technical problem, the utility model provides a machine in removable abluent air conditioning, include:

the fan motor is provided with a driving shaft, positioning grooves and limiting pieces are arranged on the driving shaft at intervals, and the positioning grooves are annular grooves formed in the peripheral wall of the driving shaft;

the air channel structure is connected with the base body and is provided with a first side wall and a second side wall, and a bearing seat is arranged on the first side wall;

the fan is characterized in that one end of the fan is provided with a connecting shaft connected with the bearing seat, the other end of the fan is provided with a shaft sleeve connected with the driving shaft, a locking screw is arranged on the shaft sleeve along the radial direction, and when the driving shaft is assembled in the shaft sleeve so that the limiting piece abuts against the end part of the shaft sleeve, the lower end part of the locking screw abuts against the positioning groove;

the supporting seat, the supporting seat is located on the second lateral wall, the supporting seat includes the body, be equipped with the confession on the body the through-hole that the axle sleeve passed, the center of through-hole the center of bearing frame with the drive shaft collineation, the lateral part of through-hole is equipped with the confession locking screw passes dodge the groove, dodge the groove with the through-hole intercommunication.

Furthermore, the depth of the concave depression of the positioning groove is 0.3-1.5 mm.

Further, the length of the positioning groove along the axial direction of the driving shaft is defined to be L, the outer diameter of the locking screw is D, and L is larger than D.

Furthermore, the front end of the driving shaft is provided with a guide conical surface.

Furthermore, the shaft sleeve is provided with a connecting hole, the connecting hole is arranged along the radial direction of the shaft sleeve and is communicated with the shaft hole of the shaft sleeve, and the locking screw is arranged in the connecting hole.

Further, the supporting seat and the air duct structure are integrally formed.

Furthermore, a mounting groove is formed in the second side wall, and the supporting seat is detachably connected with the mounting groove.

Furthermore, the body is provided with a plug connector and a fixed block, the plug connector and the fixed block are respectively arranged on two sides of the body along the radial direction of the through hole, the fixed block is provided with a fixed hole, and the mounting groove is respectively provided with a jack correspondingly plugged with the plug connector and a mounting position correspondingly mounted with the fixed block.

Further, the installation position is for setting up mounting platform on the second lateral wall, the last connecting hole that is equipped with the fixed orifices corresponds of mounting platform, the fixed block is followed the radial extending direction of through-hole arranges, just the lower extreme of fixed block be equipped with mounting platform complex levels the terminal surface.

Further, the avoiding groove is a fan-shaped groove or a square groove.

The embodiment of the utility model provides a machine in removable air conditioning that washes compares with prior art, and its beneficial effect lies in:

the detachable and washable indoor unit of the air conditioner comprises a bearing seat, a shaft sleeve, a base body, a fan, a wind channel structure, a shaft sleeve, a locating piece, a bearing seat, the quick convenient operation of can, guarantee assembly efficiency, simultaneously, when dismantling the axle sleeve of fan and fan motor's drive shaft, loosen locking screw, withdraw from one section distance with the fan axle sleeve along axial direction and make it break away from the drive shaft after still supported on the supporting seat, locking screw on the axle sleeve can be in step through dodging the groove removal, so, can avoid the fan to break away from the wind channel structure and lead to the fan to damage because of losing the support.

Drawings

FIG. 1 is a schematic view of an assembly structure of a fan and a fan motor of a detachable and washable indoor unit of an air conditioner according to an embodiment of the present invention;

fig. 2 is a schematic structural view illustrating a detachable and washable indoor unit of an air conditioner according to an embodiment of the present invention, in which a fan is separated from a fan motor;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

fig. 4 is a schematic view of an assembly structure of a fan and an air duct structure of a detachable and washable indoor unit of an air conditioner according to an embodiment of the present invention;

fig. 5 is a schematic view of an assembly structure of a fan and a fan motor of a detachable and washable indoor unit of an air conditioner according to an embodiment of the present invention;

FIG. 6 is an enlarged schematic view at B in FIG. 5;

fig. 7 is a schematic structural diagram of a fan motor according to an embodiment of the present invention;

fig. 8 is a schematic side view of a fan and air duct structure according to an embodiment of the present invention;

fig. 9 is a schematic structural diagram of an air duct structure according to an embodiment of the present invention;

fig. 10 is a schematic structural view of a support base according to an embodiment of the present invention.

In the figure, 1, a base body; 2. an air duct structure; 3. a fan; 4. a supporting seat; 5. a fan motor; 201. a first side wall; 202. a second side wall; 203. a bearing seat; 301. a connecting shaft; 302. a shaft sleeve; 303. locking the screw; 304. connecting holes; 401. a body; 402. a through hole; 403. an avoidance groove; 404. a plug-in connector; 405. a fixed block; 406. a fixing hole; 407. flattening the end face; 408. a fitting portion; 501. a drive shaft; 502. positioning a groove; 503. a limiting member; 504. and a guiding conical surface.

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 application, 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 only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.

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 application, "a plurality" means two or more unless otherwise specified.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically 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 application can be understood in a specific case by those of ordinary skill in the art.

The application relates to the technical field of air conditioner structures, in particular to an air conditioner which executes the circulation of a refrigerant through a compressor, a condenser, an expansion valve and an evaporator. The refrigerant cycle includes a series of processes involving compression, condensation, expansion, and evaporation, the compressor compresses a refrigerant gas in a high temperature and pressure state and discharges the compressed refrigerant gas, the discharged refrigerant gas flows into a condenser, the condenser condenses the compressed refrigerant into a liquid phase, and heat is released to the surrounding environment through the condensation process. The expansion valve expands the liquid-phase refrigerant in a high-temperature and high-pressure state condensed in the condenser into a low-pressure liquid-phase refrigerant. The evaporator evaporates the refrigerant expanded in the expansion valve and returns the refrigerant gas in a low-temperature and low-pressure state to the compressor. The evaporator can achieve a cooling effect by heat-exchanging with a material to be cooled using latent heat of evaporation of a refrigerant. The air conditioner can adjust the temperature and humidity of the indoor space throughout the refrigerant cycle.

The outdoor unit of the air conditioner includes a compressor and an outdoor heat exchanger, the indoor unit of the air conditioner includes an indoor heat exchanger, and the expansion valve may be provided in the indoor unit of the air conditioner or the outdoor unit of the air conditioner. One of the indoor heat exchanger and the outdoor heat exchanger serves as a condenser, and the other serves as an evaporator, and when the indoor heat exchanger serves as the condenser, the air conditioner serves as a heater for a heating mode, and when the indoor heat exchanger serves as the evaporator, the air conditioner serves as a cooler for a cooling mode.

As shown in fig. 1-10, the present invention provides a detachable and washable indoor unit of an air conditioner, including a base body 1, an air duct structure 2, a fan 3 and a supporting seat 4, a fan motor 5 is disposed on the base body 1, the fan motor 5 is provided with a driving shaft 501, in this embodiment, the fan motor 5 is disposed on the base body 1, so as to avoid the potential safety hazard caused by detaching the fan motor 5 and other electrified components together when the air duct structure 2 is detached, a positioning groove 502 and a limiting member 503 are disposed on the driving shaft 501 at intervals, the limiting member 503 is used for limiting the depth of the driving shaft 501 inserted into the shaft sleeve, so as to ensure that the driving shaft 501 and the shaft sleeve are installed in place, and the positioning groove 502 is an annular groove disposed on the peripheral wall of the driving shaft; the air duct structure 2 is connected with the base body 1, the air duct structure 2 has a first side wall 201 and a second side wall 202, a bearing seat 203 is arranged on the first side wall 201, a connecting shaft 301 connected with the bearing seat 203 is arranged at one end of the fan 3, a shaft sleeve 302 connected with the driving shaft 501 is arranged at the other end of the fan 3, a locking screw 303 is arranged on the shaft sleeve 302 along the radial direction, the locking screw 303 is locked between the driving shaft 501 and the shaft sleeve 302 to ensure the connection stability between the driving shaft 501 and the shaft sleeve 302, and prevent the relative movement from causing the unsmooth operation of the indoor unit, generally, a connecting hole 304 is arranged on the shaft sleeve 302, the connecting hole 304 is generally provided with internal threads, the connecting hole 304 is arranged along the radial direction of the shaft sleeve 302 and is communicated with a shaft hole of the shaft sleeve 302, the locking screw 303 is arranged in the connecting hole 304, the lower end of the locking screw 303 abuts against the positioning groove 502; the supporting seat 4 is arranged on the second side wall 202, the supporting seat 4 comprises a body 401, a through hole 402 for the shaft sleeve 302 to pass through is arranged on the body 401, the through hole 402 is generally arranged in the middle of the body 401, the center of the through hole 402 and the center of the bearing seat 203 are collinear with the driving shaft 501, an avoiding groove 403 for the locking screw 303 to pass through is arranged on the side portion of the through hole 402, and the avoiding groove 403 is communicated with the through hole 402.

Based on the detachable and washable indoor unit of air conditioner, when the fan 3 is installed, the connecting shaft 301 of the fan 3 is installed in the bearing seat 203 assembly, then the locking screw 303 on the shaft sleeve 302 is aligned with the avoiding groove 403 to pass through the shaft sleeve 302 in the through hole 402 of the body 401 of the supporting seat 4 for pre-positioning, then the assembled fan 3 and the air duct structure 2 are integrally installed on the base body 1, after the air duct structure 2 is installed in place, the shaft sleeve 302 is coaxial with the driving shaft 501, then the shaft sleeve 302 of the fan 3 is directly inserted into the driving shaft 501 for one-time aligned installation, the assembly efficiency is improved, when the end of the shaft sleeve 302 is abutted against the limiting piece 503, the locking screw 303 is tightened to abut against the positioning groove 502 to lock the driving shaft 501 and the shaft sleeve 302, because the positioning groove 502 is annularly arranged on the outer circumferential wall of the driving shaft 501, in this way, when the fan motor 5 and the fan 3, drive shaft 501 can be directly blindly inserted to axle sleeve 302 and the locking effect of guaranteeing locking screw 303, can be fast convenient operation, guarantee assembly efficiency, and simultaneously, when dismantling axle sleeve 302 of fan 3 and drive shaft 501 of fan motor 5, loosen locking screw 303, withdraw from a section distance with axle sleeve 302 of fan 3 along the axial direction and make it still supported on supporting seat 4 after breaking away from drive shaft 501, locking screw 303 on the axle sleeve 302 can be in step through dodging groove 403 and removing, so, can avoid fan 3 to break away from wind channel structure 2 and lead to fan 3 to damage because of losing the support.

Further, referring to fig. 6, the depth H of the recess of the positioning groove 502 is 0.3-1.5 mm, so as to prevent the shaft sleeve 302 and the driving shaft 501 from being difficult or impossible to detach again due to the local protrusion generated in the fastening process of the locking screw 303 and the driving shaft 501. To ensure that the lower end portion of the locking screw 303 can be fastened in the positioning groove 502, the length of the positioning groove 502 in the axial direction of the drive shaft 501 is defined as L, and the outer diameter of the locking screw 303 is defined as D, where L > D.

To facilitate the assembly of the driving shaft 501 and to avoid the front end of the driving shaft 501 from scratching the operator or damaging the mating surface of the parts during the assembly, a guiding tapered surface 504 is provided at the front end of the driving shaft 501, and the half-cone angle of the guiding tapered surface 504 is generally set to 10 °.

In this embodiment, the supporting seat 4 may be integrally formed with the air duct structure 2, so as to reduce the assembly between the supporting seat 4 and the air duct structure 2. The support 4 may also be arranged in detachable connection with the air duct structure 2.

When supporting seat 4 can dismantle with wind channel structure 2 and be connected, be equipped with the mounting groove on wind channel structure 2's second lateral wall 202, supporting seat 4 can dismantle with the mounting groove and be connected, specifically, be equipped with bayonet joint 404 and fixed block 405 on supporting seat 4's the body 401, the both sides of body 401 are located along the radial direction branch of through-hole 402 to bayonet joint 404 and fixed block 405, be equipped with fixed orifices 406 on the fixed block 405, be equipped with the jack that corresponds the grafting with bayonet joint 404 on the mounting groove respectively and correspond the installation position of installation with fixed block 405, so, body 401 accessible bayonet joint 404 pegs graft and fixes a position in the jack that corresponds, thereby fix supporting seat 4 on wind channel structure 2 through fixed orifices 406 on the fixed block 405 and the mounting hole on wind channel structure 2. In this embodiment, jack and installation position set up respectively in the relative both sides of mounting groove to guarantee the steadiness that supporting seat 4 is connected.

Further, the mounting position is a mounting platform disposed on the second sidewall 202, the mounting platform is provided with a connecting hole 304 corresponding to the fixing hole 406, and the fixing block 405 is connected and fastened by a connecting member passing through the corresponding fixing hole 406 and the connecting hole 304. In this embodiment, the fixing block 405 is disposed along the radial extending direction of the through hole 402 so as to reduce the structural interference between the shaft sleeve 302 and the through hole 402, and the lower end of the fixing block 405 is provided with a flat end face 407 which is matched with the mounting platform, so as to ensure the stable connection between the fixing block 405 and the mounting platform.

In this embodiment, the avoiding groove 403 may be a fan-shaped groove or a square groove, and it is only necessary to ensure that the size of the avoiding groove 403 can allow the locking screw 303 on the shaft sleeve 302 to pass through the avoiding that the locking screw 303 interferes with the installation and detachment process of the shaft sleeve 302.

Since the through hole 402 is matched with the shaft sleeve 302 of the fan 3, and the fan 3 is driven to rotate by the fan motor 5, referring to fig. 10, in this embodiment, the body 401 includes a matching portion 408 matched with the shaft sleeve 302 of the fan 3, and the matching portion 408 protrudes along the axial direction of the through hole 402, so as to enhance the structural strength of the matching portion 408 matched with the shaft sleeve 302 of the fan 3, and ensure the stability of the supporting seat 4. Further, a part of the fitting portion 408 protrudes along the axial direction of the through hole 402 to form a protruding portion, and the protruding portion is connected to a side groove wall of the avoiding groove 403, so that the structural strength of the avoiding groove 403 is enhanced, and the rotational stability of the fan 3 is ensured.

The utility model discloses a working process does: firstly, a connecting shaft 301 of a fan 3 is installed in a bearing seat 203 assembly, then a locking screw 303 on a shaft sleeve 302 is aligned with an avoiding groove 403 to enable the shaft sleeve 302 to penetrate through a through hole 402 of a body 401 for pre-positioning, then the assembled fan 3 and an air duct structure 2 are integrally installed on a base body 1, after the air duct structure 2 is installed in place, the shaft sleeve 302 is coaxial with a driving shaft 501, then the shaft sleeve 302 of the fan 3 is directly inserted into the driving shaft 501 for realizing one-time aligned installation, when the end part of the shaft sleeve 302 is abutted with a limiting piece 503, the assembly is in place, then the locking screw 303 is tightened to enable the lower end part of the locking screw 303 to be abutted in a positioning groove 502 to lock the driving shaft 501 and the shaft sleeve 302, when the shaft sleeve 302 of the fan 3 is disassembled from the driving shaft 501 of the fan motor 5, the locking screw 303 is loosened, the shaft sleeve 302 of the fan 3 is withdrawn for a, the locking screw 303 on the sleeve 302 can be moved synchronously through the escape slot 403.

To sum up, the embodiment of the utility model provides a machine in removable air conditioning that washes, the installation between fan 3 and the fan motor 5 can be fast convenient operation with the dismantlement, guarantees assembly efficiency, can also avoid fan 3 to damage.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. A machine in air conditioning that can unpick and wash, its characterized in that includes:

2. The indoor unit of a removable and washable air conditioner as claimed in claim 1, wherein the depth of the recess of the positioning groove is 0.3 to 1.5 mm.

3. The indoor unit of a removable and washable air conditioner of claim 2, wherein a length of the positioning groove in an axial direction of the driving shaft is defined as L, and an outer diameter of the locking screw is defined as D, L > D.

4. The indoor unit of air conditioner as claimed in claim 3, wherein the front end of the driving shaft is provided with a guide tapered surface.

5. The indoor unit of an air conditioner as claimed in claim 4, wherein the sleeve has a connection hole formed therein, the connection hole being formed in a radial direction of the sleeve and communicating with the shaft hole of the sleeve, and the locking screw is disposed in the connection hole.

6. The removable and washable indoor unit of air conditioners of claim 5, wherein said support base is integrally formed with said air duct structure.

7. The indoor unit of a removable and washable air conditioner of claim 5, wherein a mounting groove is formed on the second sidewall, and the support base is detachably connected to the mounting groove.

8. The indoor unit of an air conditioner as claimed in claim 7, wherein the body is provided with an insertion plug and a fixing block, the insertion plug and the fixing block are respectively disposed at both sides of the body along a radial direction of the through hole, the fixing block is provided with a fixing hole, and the mounting groove is respectively provided with a plug hole corresponding to the insertion plug and a mounting position corresponding to the fixing block.

9. The indoor unit of an air conditioner as claimed in claim 8, wherein the mounting position is a mounting platform provided on the second side wall, the mounting platform is provided with a connecting hole corresponding to the fixing hole, the fixing block is arranged along a radial extending direction of the through hole, and a lower end of the fixing block is provided with a flat end surface engaged with the mounting platform.

10. The indoor unit of an air conditioner as claimed in any one of claims 1 to 9, wherein the avoiding groove is a fan-shaped groove or a square-shaped groove.