CN107131624B - Door opening and closing device of air conditioner and air conditioner with same - Google Patents

Abstract

The invention discloses a door opening and closing device of an air conditioner and the air conditioner with the same, wherein the air conditioner is provided with a front shell and a door body, an air supply outlet is formed on the front shell, and the door opening and closing device comprises: the driving assembly is arranged on the front shell; and the driven part is arranged on the door body, the driving assembly drives the driven part corresponding to the driving assembly to drive the door body to move between a closing position for closing the air supply outlet and an opening position for opening the air supply outlet relative to the front shell, the driving assembly comprises a driver and a mounting plate, an assembling hole matched with the shape of the driver is formed in the mounting plate, and the driver penetrates through the assembling hole and is connected with the mounting plate. According to the door opening and closing device of the air conditioner, the driving component and the driven piece are respectively arranged on the front shell and the door body, so that the driving component can drive the driven piece to drive the door body to move between the closing position and the opening position relative to the front shell, the structure is simple and reliable, and the cost is low.

Description

Door opening and closing device of air conditioner and air conditioner with same

The application is a divisional application with the Chinese patent application number of 2013100979474, the application date of 2013-03-25 and the invention name of 'an opening and closing door device of an air conditioner and the air conditioner with the same'.

Technical Field

The invention relates to the field of electric appliances, in particular to a door opening and closing device of an air conditioner and the air conditioner with the door opening and closing device.

Background

along with the progress of society and the improvement of the living standard of people, the quality requirement of users on indoor air is further improved, so that the requirement on the cleanliness of the air conditioner is higher and higher, and therefore, many air conditioner manufacturers are concerned about researching and developing an automatic opening and closing mechanism of an air outlet of the air conditioner, namely, the air outlet is totally closed when the air conditioner is in a closed state, and the air outlet can be timely and stably opened when the air conditioner is started. The probability that dust in the air enters the air conditioner is greatly reduced, and therefore the internal cleanness of the air conditioner and the air outlet cleanness of the air conditioner are better guaranteed.

however, most of the conventional air conditioners adopt a driving mechanism and a realization method, wherein the driving mechanism and the realization method adopt a rack and pinion mechanism, a swing link mechanism and a crank mechanism, and then are matched with a profiling track to realize the opening and closing of a door, namely when the air conditioner is in an opening state, the door is driven by the driving mechanism to descend along the profiling track and is hidden in the upper panel of the air conditioner, so that the opening of the door is realized; when the air conditioner is in a closed state, the door is driven by the driving mechanism to ascend along the profile track so as to close the door. However, the above method has the following problems: the mechanism occupies a large space, and a large space needs to be reserved for arranging the driving mechanism; the profiling track is long, the friction resistance in the opening and closing process is large, the opening and closing time is long due to the limitation of the torque of the driving motor; the mechanism has more parts, complex manufacture and assembly and poor operation reliability.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, an object of the present invention is to provide a door opening and closing device for an air conditioner, which is space-saving, has a short opening and closing time, and operates stably.

Another object of the present invention is to provide an air conditioner having the above door opening and closing device.

According to an embodiment of the invention, the door opening and closing device of an air conditioner, the air conditioner is provided with a front shell and a door body, the front shell is provided with a blast opening, and the door opening and closing device comprises: the driving assembly is arranged on the front shell; the driving assembly drives the driven piece corresponding to the driving assembly to drive the door body to move between a closing position for closing the air supply opening and an opening position for opening the air supply opening relative to the front shell, the driving assembly comprises a driver and a mounting plate, an assembling hole matched with the shape of the driver is formed in the mounting plate, and the driver penetrates through the assembling hole and is connected with the mounting plate.

according to the door opening and closing device of the air conditioner, the driving component and the driven piece are respectively arranged on the front shell and the door body, so that the driving component can drive the driven piece to drive the door body to move between the closing position and the opening position relative to the front shell, the structure is simple and reliable, and the cost is low.

In addition, the door opening and closing device of the air conditioner according to the present invention may further have the following additional technical features:

According to one embodiment of the invention, the drive has an output shaft; the driving assembly further comprises a driving piece, and the driving piece is fixedly connected with the output shaft. Therefore, the function of driving the driven part can be realized through the driver and the driving part, the parts are few, and the manufacture and the assembly are simple, so that the operation is reliable, and the occupied space of the driving assembly is reduced.

Optionally, the drive is a motor.

Optionally, the driving member is a gear, and the driven member has a rack engaged with the gear.

or alternatively, the driving part is a worm wheel, and the driven part is provided with a worm matched with the worm wheel.

Further, the drive assembly further comprises: the cover body covers the driving piece, and one side of the cover body, which is adjacent to the driven piece, is opened. Therefore, the cover body can effectively play roles in positioning the gear and preventing dust.

According to one embodiment of the invention, the mounting plate is provided with at least one limiting groove; the driven part is provided with at least one limiting part matched with at least one limiting groove. From this, through setting up the mounting panel, the driver can be installed on the mounting panel, controls the movement track of the door body through the cooperation that sets up spacing groove and spacing portion to the door body operates steadily and the reliability is high.

Optionally, the number of the limiting grooves is two, the openings of the two limiting grooves face opposite directions, and the number of the limiting parts is two, and the two limiting parts are respectively matched in the two limiting grooves. Therefore, the running stability and reliability of the door body are further improved.

Specifically, each of the stopper portions includes a plurality of stopper posts spaced apart from each other. Therefore, the friction resistance is small in the opening and closing process, and the opening and closing time is greatly shortened.

According to one embodiment of the invention, when the door body moves between the opening position and the closing position, at least two limiting columns are arranged in each limiting groove. Therefore, the door body can be ensured to move along the limiting groove in the operation process, and the limiting column is not easy to deviate from the limiting groove.

According to an embodiment of the invention, the door opening and closing device further comprises: the bosses are arranged at one ends, far away from the limiting grooves, of the limiting columns respectively. Therefore, the bosses are arranged, and the bosses are respectively matched with the end faces of the limiting grooves, so that friction is effectively reduced.

Optionally, the mounting plate is screwed or snapped into connection with the front shell. Thus, the assembly is simple and efficient.

Optionally, the cover is screwed or snapped onto the mounting plate. Thus, the assembly is simple and efficient.

According to one embodiment of the invention, at least one end of the door body is provided with a guide groove, and the front shell is provided with a guide part matched with the guide groove. Therefore, the door body is more stable in the operation process and is more accurately matched with other parts.

Optionally, the guide groove is provided on a side of the door body adjacent to the closing position.

specifically, the guide portion includes a plurality of guide posts spaced apart from each other. Therefore, the friction resistance is small in the opening and closing process, and the opening and closing time is greatly shortened.

Optionally, the follower is in screw connection with the door body. Therefore, the processing is simple and the cost is low.

Optionally, the number of the driving assemblies and the number of the driven members are two, and the two driving assemblies and the two driven members are respectively arranged at the upper end and the lower end of the front shell and the door body. From this, through being established drive assembly and follower respectively in the front shell and the upper end and the lower extreme of the door body, can effectively reduce the occupation space of drive assembly and follower to make the compact structure of air conditioner.

an air conditioner according to an embodiment of a second aspect of the present invention includes: the air conditioner comprises a front shell, a front cover and a front cover, wherein an air supply outlet is formed in the front shell; an opening and closing door device of an air conditioner according to the embodiment of the first aspect of the present invention; and the door opening and closing device is arranged between the front shell and the door body.

according to the air conditioner provided by the embodiment of the invention, the door opening and closing device is simple and reasonable in structure, flexible to operate, stable to operate, reliable in performance, low in manufacturing cost and long in service life, the space of the air conditioner is saved, so that the air supply opening is totally closed when the air conditioner is closed, and the air supply opening can be timely and stably opened when the air conditioner is started, so that the internal cleanness of the air conditioner and the air outlet cleanliness of the air conditioner are better ensured.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

the above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

Fig. 1 is a schematic view of an opening and closing door apparatus of an air conditioner according to an embodiment of the present invention;

fig. 2 is an exploded view of an opening and closing door apparatus of an air conditioner according to an embodiment of the present invention;

FIG. 3 is an enlarged view of portion A circled in FIG. 2;

FIG. 4 is an enlarged view of the portion B circled in FIG. 2;

Fig. 5 is a schematic view of a motor of a door opening and closing apparatus of the air conditioner shown in fig. 2;

Fig. 6 is a schematic view of a mounting plate of an opening and closing door apparatus of an air conditioner according to an embodiment of the present invention;

Fig. 7 is a schematic view of a follower of an opening and closing door apparatus of an air conditioner according to an embodiment of the present invention;

FIG. 8 is an enlarged view of the portion C circled in FIG. 7;

fig. 9 is an assembly view illustrating a driving assembly and a driven member of an opening and closing door apparatus of an air conditioner according to an embodiment of the present invention.

Description of reference numerals:

100: a door opening and closing device;

1: a drive assembly; 11: a driver; 111: an ear plate; 1111: a through hole;

12: a drive member; 13: a cover body;

14: mounting a plate; 141: a limiting groove; 142: an assembly hole;

143: screw holes; 144: a rib is protruded;

2: a driven member; 21: a rack; 22: a limiting part: 221: a limiting column; 23: a boss;

200: an air conditioner;

201: a front housing; 2011: an air supply outlet; 2012: a guide portion; 20121: a guide post;

202: a door body; 2021: a guide groove.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting 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 only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to 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 otherwise specified.

In the description of the present invention, it should 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 9, a door opening and closing device 100 of an air conditioner 200 according to an embodiment of the present invention will be described, wherein the door opening and closing device 100 can be used for a vertical air conditioner 200, the vertical air conditioner 200 has a front case 201 and a door body 202, and a blowing port 2011 is formed on the front case 201. In the following description of the present application, the door opening and closing apparatus 100 is described as an example of the use of the vertical air conditioner 200. Of course, it will be understood by those skilled in the art that the door opening and closing apparatus 100 is used in the vertical type air conditioner 200 by way of example only, and not by way of limitation, that is, the door opening and closing apparatus 100 according to the present invention may also be used in other types of air conditioners 200, such as a wall-mounted type air conditioner, a ceiling-mounted type air conditioner, and the like.

As shown in fig. 1 and 2, the door opening and closing apparatus 100 of an air conditioner 200 according to an embodiment of the first aspect of the present invention includes: a driving component 1 and a driven component 2, wherein the driving component 1 is arranged on the front shell 201. The follower 2 is arranged on the door body 202, wherein the driving assembly 1 drives the follower 2 corresponding to the driving assembly to drive the door body 202 to move between a closing position for closing the air supply outlet 2011 and an opening position for opening the air supply outlet 2011 relative to the front shell 201.

For example, in the example of fig. 1 and 2, the driving assembly 1 is disposed on the front side of the front casing 201, the follower 2 is disposed on the rear side of the door 202, and optionally, the follower 2 is screwed with the door 202, and when the driving assembly 1 receives a driving signal, the driving assembly 1 drives the follower 2, and the follower 2 drives the door 202 to move together, so that the door 202 can move between a closing position for closing the air blowing opening 2011 and an opening position for opening the air blowing opening 2011 relative to the front casing 201. It should be understood that, a user can drive the control circuit board in a remote control manner, and the control circuit board sends out a driving signal, so that the driving assembly 1 drives the driven member 2 to drive the door body 202 to move. Here, it should be noted that the structure, the operation principle, and the like of the control circuit board are well known to those skilled in the art, and will not be described in detail here.

As shown in fig. 2, two driving assemblies 1 and two driven members 2 are provided, and the two driving assemblies 1 and the two driven members 2 are provided at upper and lower ends of the front case 201 and the door body 202, respectively. That is, the two driving assemblies 1 are respectively disposed at the upper end and the lower end of the front case 201, and the two driven members 2 are respectively disposed at the upper end and the lower end of the door body 202, so that the occupied spaces of the driving assemblies 1 and the driven members 2 can be effectively reduced, and the air conditioner 200 has a compact structure.

specifically, the drive assembly 1 includes a driver 11 and a mounting plate 14, a mounting hole 142 adapted to the shape of the driver 11 is formed on the mounting plate 14, and the driver 11 is connected to the mounting plate 14 through the mounting hole 142. For example, in the example of fig. 5 and 6, the mounting plate 14 is formed with a mounting hole 142 adapted to the shape of the driver 11, such as a motor, the mounting hole 142 can extend through the mounting plate 14, the motor can pass through the mounting hole 142 and be connected to the mounting plate 14 by means of a screw or a snap, specifically, the motor is respectively provided with two ear plates 111 extending horizontally outwards in a relative radial direction, each ear plate 111 is formed with a through hole 1111 extending therethrough, and the mounting plate 14 is respectively formed with a screw hole 143 corresponding to the through hole 1111, so that the screw can pass through the through hole 1111 of the ear plate 111 and the screw hole 143 of the mounting plate 14 in sequence to fix the motor to the mounting plate 14. It should be understood that the number of the ear plate 111, the through hole 1111 and the screw hole 143 can be set according to the actual assembly requirement to better satisfy the assembly requirement.

according to the door opening and closing device 100 of the air conditioner 200 in the embodiment of the invention, the driving assembly 1 and the driven member 2 are respectively arranged on the front shell 201 and the door body 202, so that the driving assembly 1 can drive the driven member 2 to drive the door body 202 to move between the closing position and the opening position relative to the front shell 201, the structure is simple and reliable, and the cost is low.

In one embodiment of the invention, the driver 11 has an output shaft, and the drive assembly 1 further comprises a driver 12. Alternatively, the drive 11 is a motor, as shown in fig. 5. The driving member 12 is fixedly connected with the output shaft. So that the output shaft of the driver 11 moves with the driving member 12. Thus, the function of driving the driven member 2 can be realized by providing the driver 11 and the driving member 12, with few parts, simple manufacture and assembly, reliable operation and reduced space occupation of the driving assembly 1.

In one example of the invention, the driving member 12 is a gear and the driven member 2 has a rack 21 that cooperates with the gear, as shown in fig. 2, 7 and 9. Of course, the invention is not limited thereto, and in other examples of the invention, the driving member 12 may also be a worm wheel, and the driven member 2 has a worm (not shown) cooperating with the worm wheel.

At least one limiting groove 141 is arranged on the mounting plate 14, and at least one limiting part 22 matched with the at least one limiting groove 141 is arranged on the driven part 2. Therefore, the actuator 11 can be mounted on the mounting plate 14 by providing the mounting plate 14, and the movement locus of the door body 202 is controlled by providing the matching of the limit groove 141 and the limit portion 22, so that the door body 202 operates stably and has high reliability.

Optionally, the ear plate 111 and the motor are integrally formed. That is, the lug plate 111 and the motor are integrally manufactured, and the lug plate 111 is a part of the motor. Of course, the present invention is not limited thereto, and in other examples of the present invention, the ear plate 111 and the motor may be integrally connected by welding or bonding, in which case the ear plate 111 and the motor are separate parts and separately manufactured, and then the ear plate 111 and the motor are integrally formed by welding, such as spot welding, or by bonding.

Furthermore, the mounting plate 14 may be provided with a horizontally extending rib 144 at a position corresponding to the upper end and the lower end of the ear plate 111, respectively, to facilitate the mounting and positioning of the motor. That is, the mounting plate 14 is provided with a rib 144 corresponding to the upper end of the ear plate 111, and the mounting plate 14 is also provided with a rib 144 corresponding to the lower end of the ear plate 111. For example, in the example of fig. 6, the mounting plate 14 is provided with a rib 144 at a position corresponding to the upper and lower ends of the ear plate 111. Of course, the present invention is not limited thereto, and in other examples of the present invention, the mounting plate 14 may be further provided with a plurality of ribs 144 (not shown) spaced apart from each other at positions corresponding to the upper and lower ends of the ear plate 111, respectively.

Alternatively, the ribs 144 are integrally formed with the mounting plate 14. That is, the ribs 144 are integrally formed with the mounting plate 14, and the ear plate 111 is a part of the motor. Of course, the present invention is not limited thereto, and in other examples of the present invention, the rib 144 and the mounting plate 14 may be integrally connected by welding or bonding, in which case the rib 144 and the mounting plate 14 are separate parts and separately manufactured, and then the rib 144 and the mounting plate 14 are integrally formed by welding, such as spot welding, or by bonding.

As shown in fig. 6 and 7, a limiting groove 141 is formed below the mounting hole 142, a limiting portion 22 is formed at a position corresponding to the limiting groove 141 on the driven member 2, and the limiting groove 141 and the limiting portion 22 are formed in a shape corresponding to the shape of the front case 201 of the air conditioner 200, for example, the limiting groove 141 and the limiting portion 22 are formed in an arc shape or other shapes. Specifically, the limiting groove 141 is a groove with a middle portion recessed horizontally downward, and two ends of the limiting groove 141 are opened so that the limiting portion 22 can slide into or out of the limiting groove 141.

Optionally, the two limiting grooves 141 and the openings of the two limiting grooves 141 face opposite directions, and the two limiting parts 22 are respectively fitted in the two limiting grooves 141. For example, in the example of fig. 6 and 7, the two limiting grooves 141 are arranged in parallel to be opened outward, that is, the two limiting grooves 141 are arranged to be spaced apart from each other in the up-down direction and extend in the horizontal direction, the upper limiting groove 141 opens upward, the lower limiting groove 141 opens downward, and accordingly, the limiting portion 22 engaged with the upper limiting groove 141 extends downward, and the limiting portion 22 engaged with the lower limiting groove 141 extends upward. Of course, the invention is not limited thereto, in other examples of the invention, the two limiting grooves 141 may also be arranged in parallel and inwardly facing (not shown), and at this time, the upper limiting groove 141 opens downward, the lower limiting groove 141 opens upward, and accordingly, the limiting portion 22 engaged with the upper limiting groove 141 extends upward, and the limiting portion 22 engaged with the lower limiting groove 141 extends downward, so that the operational stability and reliability of the door body 202 are further improved by the engagement of the limiting grooves 141 and the limiting portion 22.

as shown in fig. 7, each of the spacing portions 22 includes a plurality of spacing posts 221 spaced apart from each other. In one example of the present invention, the spacing distance between adjacent ones of the restraint posts 221 may be substantially equal. Here, it should be noted that "substantially equal" means that the distances between the adjacent stopper posts 221 are completely equal or the distances between the adjacent stopper posts 221 are different within a small range, for example, in the order of millimeters. Alternatively, the cross-sectional shape of the restraining post 221 may be circular, elliptical, oblong, or a polygon having at least three sides, etc. Therefore, the friction resistance is small in the opening and closing process, and the opening and closing time is greatly shortened.

In a further embodiment of the present invention, there are at least two retaining posts 221 in each retaining groove 141 when the door body 202 moves between the open position and the closed position. In other words, the number of the limiting posts 221 needs to be matched with the length of the limiting groove 141, so as to ensure that at least two limiting posts 221 move inside each limiting groove 141 simultaneously in the operation process of the door body 202, thereby ensuring that the door body 202 moves along the limiting grooves 141 in the operation process and the limiting posts 221 are not easy to be separated from the limiting grooves 141.

In one embodiment of the present invention, the door opening and closing apparatus 100 further comprises: the plurality of bosses 23 are respectively arranged at one ends of the plurality of limiting columns 221 far away from the limiting grooves 141. For example, in the example of fig. 7 and 8, some of the bosses 23 are respectively disposed at the top of the upper position-limiting column 221, and other bosses 23 are respectively disposed at the bottom of the lower position-limiting column 221, so that during the operation of the door body 202, one side of the boss 23 adjacent to the limiting groove 141 contacts and is tightly fitted with the end surface of the adjacent boss 23 of the limiting groove 141, so that the frictional resistance of the door opening and closing device 100 is small, and the opening and closing time of the door opening and closing device 100 is greatly shortened.

In one example of the present invention, the mounting plate 14 is screwed or snapped to the front case 201, and the assembly is simple and efficient. Of course, the invention is not limited to this, and in other examples of the invention, the mounting plate 14 and the front case 201 may be fixed by other means.

Further, the drive assembly 1 further comprises: and the cover body 13 is connected to the mounting plate 14 and covers the driving part 12, and one side of the cover body 13 adjacent to the driven part 2 is opened. For example, in the example of fig. 2, the cover 13 is open at the rear and bottom, the cover 13 is connected to the front side of the mounting plate 14, optionally, the cover 13 is screwed or snapped to the mounting plate 14, the cover 13 and the mounting plate 14 together define a receiving space for receiving the driving member 12, such as a gear, and the rack 21 is provided below the cover 13 to cooperate with the gear, which effectively functions to position the gear and prevent dust. Of course, the present invention is not limited thereto, and in other examples of the present invention, the rack 21 may be provided above the cover 13, in which case the top of the cover 13 is open.

In an embodiment of the present invention, a guide groove 2021 is formed at least one end of the door body 202, and a guide part 2012 engaged with the guide groove 2021 is formed on the front case 201. For example, in the example of fig. 2 and 3, the top surface and the bottom surface of the door 202 are respectively formed with an inwardly concave guide groove 2021, that is, the top surface of the door 202 is formed with a downwardly concave guide groove 2021, the bottom surface of the door is formed with an upwardly concave guide groove 2021, and the positions of the air outlets 2011 of the front case 201 corresponding to the guide grooves 2021 are respectively provided with a guide part 2012, so that the door 202 is more stable during operation and is more accurately matched with other parts.

Alternatively, the guide groove 2021 is provided on the side of the door body 202 adjacent to the closing position. As shown in fig. 1 to 3, the guide groove 2021 is located at the left side of the door 202, and the left side of the guide groove 2021 is open to allow the guide part 2012 to slide into or out of the guide groove 2021, and accordingly, the guide part 2012 is provided at the side of the front case 201 near the air blowing opening 2011, so that the door 202 can smoothly and smoothly close or open the air blowing opening 2011 by the cooperation of the guide groove 2021 and the guide part 2012 when the door 202 approaches or just leaves the closed position during the operation of the door 202.

As shown in fig. 4, the guide 2012 includes a plurality of guide posts 20121 spaced apart from one another. In one example of the present invention, adjacent guide posts 20121 may be spaced apart from each other by approximately the same distance. Here, it should be noted that "substantially equal" means that the distances between the adjacent guide posts 20121 are completely equal or the distances between the adjacent guide posts 20121 are different within a small range, for example, the difference is in the millimeter level. Optionally, the cross-sectional shape of the guide post 20121 is circular, elliptical, oblong, or a polygon having at least three sides, etc. Therefore, the friction resistance is small in the opening and closing process, and the opening and closing time is greatly shortened.

When the driver 11, for example, a motor, receives a driving signal, the motors of the upper driving assembly and the lower driving assembly respectively drive the corresponding gears to rotate, the gears respectively drive the corresponding racks 21 to reciprocate according to the tracks of the limiting grooves 141, the door body 202 also moves along with the racks 21, and when the door body 202 moves to the guide posts 20121 at the upper end and the lower end of the air inlet 2011, the guide posts 20121 enter the guide grooves 2021 at the two ends of the door body 202 to play a role in guiding and limiting, so that the door body 202 runs more stably and is more accurately matched with other parts.

An air conditioner 200 according to an embodiment of the second aspect of the present invention includes: the front case 201, the door 202 and the door opening and closing device 100 of the air conditioner 200 according to the first embodiment of the present invention, the front case 201 has the air outlet 2011 formed thereon. Wherein the door opening and closing device 100 is arranged between the front case 201 and the door body 202.

For example, in the example of fig. 1, the front case 201 is formed with a blowing port 2011, the door 202 is movably provided in front of the blowing port 2011, and the opening and closing door apparatus 100 is provided between the front case 201 and the door 202 so that the door 202 is movable between an open position for opening the blowing port 2011 and a closed position for closing the blowing port 2011.

according to the air conditioner 200 provided by the embodiment of the invention, by arranging the door opening and closing device 100 of the embodiment, the door opening and closing device 100 is simple and reasonable in structure, flexible to operate, stable to operate, reliable in performance, low in manufacturing cost and long in service life, the air supply opening 2011 is fully closed when the air conditioner 200 is closed, and the air supply opening 2011 can be timely and stably opened when the air conditioner 200 is started, so that the internal cleanness of the air conditioner 200 and the air outlet cleanliness of the air conditioner 200 are better ensured.

Other configurations of the air conditioner 200 according to the embodiment of the present invention are well known to those skilled in the art and will not be described in detail herein.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean 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 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 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 (19)

1. The utility model provides an open and close door gear of air conditioner, the air conditioner is floor air conditioner, the air conditioner has preceding shell and door body, be formed with the supply-air outlet on the preceding shell, its characterized in that, open and close door gear establish preceding shell with between the door body, open and close door gear includes:

The driving assembly is arranged on the front shell; and

The driving assembly drives the driven piece corresponding to the driving assembly to drive the door body to move between a closing position for closing the air supply opening and an opening position for opening the air supply opening relative to the front shell, the driving assembly comprises a driver and a mounting plate, an assembling hole matched with the shape of the driver is formed in the mounting plate, the driver penetrates through the assembling hole and is connected with the mounting plate, the driver is provided with an output shaft, and the rotating center line of the output shaft extends horizontally.

2. The door opening and closing apparatus of an air conditioner according to claim 1, wherein the driving assembly further comprises:

The driving piece is fixedly connected with the output shaft.

3. The door opening and closing apparatus of an air conditioner according to claim 2, wherein the driver is a motor.

4. The door opening and closing device for an air conditioner according to claim 2, wherein the driving member is a gear, and the driven member has a rack engaged with the gear.

5. The door opening and closing device for an air conditioner according to claim 2, wherein the driving member is a worm wheel, and the driven member has a worm engaged with the worm wheel.

6. The door opening and closing apparatus of an air conditioner according to claim 4 or 5, wherein the driving assembly further comprises:

The cover body covers the driving piece, and one side of the cover body, which is adjacent to the driven piece, is opened.

7. The door opening and closing apparatus for an air conditioner according to claim 1, wherein the mounting plate is provided with at least one stopper groove, and the driven member is provided with at least one stopper portion engaged with the at least one stopper groove.

8. the door opening and closing device for an air conditioner according to claim 7, wherein the number of the stopper grooves is two and the openings of the two stopper grooves face in opposite directions, and the number of the stopper portions is two and the two stopper portions are fitted in the two stopper grooves, respectively.

9. the door opening and closing device of an air conditioner according to claim 7, wherein each of the stopper portions includes a plurality of stopper posts spaced apart from each other.

10. The door opening and closing device for an air conditioner according to claim 9, wherein at least two of the stopper posts are provided in each of the stopper grooves when the door body moves between the open position and the closed position.

11. the door opening and closing device of an air conditioner according to claim 9, further comprising:

The bosses are arranged at one ends, far away from the limiting grooves, of the limiting columns respectively.

12. The door opening and closing device of an air conditioner according to claim 6, wherein the mounting plate is screw-coupled or snap-coupled to the front case.

13. The door opening and closing apparatus of an air conditioner according to claim 12, wherein the cover is screw-coupled or snap-coupled to the mounting plate.

14. The door opening and closing device for an air conditioner according to claim 1, wherein a guide groove is provided on at least one end of the door body, and a guide portion engaged with the guide groove is provided on the front case.

15. The door opening and closing apparatus for an air conditioner according to claim 14, wherein the guide groove is provided at a side of the door body adjacent to the closing position.

16. The door opening and closing apparatus of an air conditioner according to claim 14, wherein the guide portion includes a plurality of guide posts spaced apart from each other.

17. The door opening and closing apparatus of an air conditioner according to claim 1, wherein the follower is screw-coupled to the door body.

18. The door opening and closing device for an air conditioner according to claim 1, wherein the driving unit and the driven member are two, respectively, and the two driving units and the two driven members are provided at upper and lower ends of the front case and the door body, respectively.

19. An air conditioner, characterized in that, the air conditioner is a floor air conditioner and includes:

The air conditioner comprises a front shell, a front cover and a front cover, wherein an air supply outlet is formed in the front shell;

An opening and closing door apparatus of an air conditioner according to any one of claims 1 to 18; and

The door body, wherein the door opening and closing device is arranged between the front shell and the door body.