Patent Description:
The present invention relates to a technical field of air conditioners, and in particular to an air sweeping assembly, an air regulating device and an air conditioner.

In order to regulate an angle of air blown out from an air conditioner in left and right directions, an air sweeping assembly is usually installed at an air outlet of the air conditioner. Blades of the air sweeping assembly are rotated to achieve left-right air sweeping. In order to control a rotation angle of the blades conveniently, it is necessary to design a position limiting structure to limit an initial position of the blades in rotation process. At the same time, in order to regulate an angle of the air blown out from the air conditioner in a height direction, an air guiding assembly is usually installed at the air outlet of the air conditioner, and an air direction is regulated through swinging of the air guiding assembly.

In an art known to inventors, there is an air regulating device capable of connecting the air sweeping assembly and the air guiding assembly, in this device, a position limiting structure is designed on the air guiding assembly, and the initial position of the blades is limited by the position limiting structure. However, there is a defect in this solution: because an air guiding plate is swung, a design of the position limiting structure on a moving air guiding plate is not easy to limit the initial position of the blades, and such a structure also causes a program for controlling the blades to find the initial position to be quite complicated.

The document <CIT> discloses an air guide structure of a split wall-hanging air conditioning indoor unit including a body and a panel. The air guide plate is arranged below the panel and covered on a water collection plate, an air direction adjustor in an integral structure is arranged inside the water collection plate, the air direction adjustor includes a rotating shaft and air direction adjusting vanes evenly distributed on the rotating shaft, geometric centers of the rotating shaft and the air direction adjusting vanes are on the same straight line, an included angle formed between the rotating shaft and the air direction adjusting vanes ranges from <NUM> degrees to <NUM> degrees, an air direction adjustor is installed on one side of a baffle plate, and a motor is arranged on the other side of the baffle plate.

The document <CIT> discloses an air conditioner face plate assembly including a front face plate, at least two air guiding plates and connecting rods. Each air guiding plate is provided with a plate body. Each plate body is provided with two end faces, wherein transmission rotating shafts are arranged on the two end faces correspondingly. Each transmission rotating shaft includes a shaft body and a convex cap. The radial size of the outer contour of each convex cap is larger than that of the outer contour of the corresponding shaft body. Open grooves in clamped fit with the shaft bodies are formed in the two ends of the connecting rods correspondingly and provided with mounting notches with the opening widths being smaller than the diameters of the shaft bodies. The document <CIT> thereby discloses an air sweeping assembly according to the preamble of claim <NUM>.

The document <CIT> discloses an air outlet device that integrated furred ceiling was used, it is convenient for adjust the air -out direction. An air outlet device that integrated furred ceiling was used, includes the frame, the frame has the air outlet, rotationally is provided with swing blade on the frame, thereby rotates the axis by motor drive swing blade along it and rotate the air-out direction that changes the air outlet.

Some embodiments of the present invention provide an air sweeping assembly, an air regulating device and an air conditioner, so as to solve a problem in a art known to inventors that an initial position of blades of the air sweeping assembly is not easily defined.

According to one aspect of the present invention there is proposed an air sweeping assembly according to claim <NUM>.

In some embodiments, the air sweeping assembly further includes: a second position limiting member disposed on the rotation shaft, the second position limiting member being configured to contact with the first position limiting member so as to define the initial position of the rotation shaft in the circumferential direction.

In some embodiments, the first position limiting member includes: a first connecting section, protrudingly disposed on the fixing portion and disposed on the fixing portion; and a first extending section, connected with the first connecting section, the first extending section being extended along an axial direction of the rotation shaft, and the first extending section being configured to abut against the second position limiting member.

In some embodiments, the second position limiting member includes: a second connecting section, protrudingly disposed on the rotation shaft and disposed on the rotation shaft; and a second extending section, connected with the second connecting section, the second extending section being extended along the axial direction of the rotation shaft, and the second extending section being configured to abut against the first position limiting member.

In some embodiments, the fixing portion includes: a housing, at least part of the driving portion being disposed in the housing; and a shaft sleeve, connected with the housing, the first position limiting member being protrudingly disposed on the shaft sleeve and disposed on the shaft sleeve, and a driving shaft of the driving portion being passed through the shaft sleeve.

According to the present invention, a driving shaft of the driving portion is provided with a slot, an inside of the slot is provided with a first limiting surface, an end part of the rotation shaft is provided with a plug, the plug is provided with a second limiting surface, the plug is in insert-connection with the slot, and the first limiting surface is cooperated with the second limiting surface.

Further according to the present invention, the inside of the slot is provided with a plurality of first limiting surfaces, an outer side of the plug is provided with a plurality of second limiting surfaces, the plurality of second limiting surfaces are in cooperative-connection with the plurality of first limiting surfaces each other in an one-to-one correspondence manner.

Further according to the present invention, the air sweeping assembly further includes: a locking button, disposed at one end, adjacent to the driving portion, of the rotation shaft, wherein, a driving shaft of the driving portion is provided with a lug boss, the locking button is in locking-connection with the lug boss so as to prevent the rotation shaft from being axially moved relative to the driving shaft.

Further according to the present invention, the locking button includes: a cantilever, protrudingly disposed on the rotation shaft and disposed on the rotation shaft; and a locking hook, connected with the cantilever, wherein, the locking hook is in locking-connection with the lug boss, and the locking button further includes: a handle, one end of the handle is connected with the locking hook, and the other end of the handle is a free end, the handle and the locking hook are respectively positioned at both sides of the cantilever.

According to another aspect of the present invention, an air regulating device is provided, and the air regulating device includes an air guiding assembly and the abovementioned air sweeping assembly, the rotation shaft of the air sweeping assembly is disposed on the air guiding assembly.

According to another aspect of the present invention, an air conditioner is provided, and the air conditioner includes the above-mentioned air regulating device.

A technical solution of the present invention is applied, to enable the first position limiting member of the air sweeping assembly to be disposed on the fixing portion of a driving device, and the initial position of the rotation shaft in the circumferential direction is defined by the first position limiting member. Because the first position limiting member is positioned on a stationary fixing portion, the position of the first position limiting member is stationary, whenever the rotation shaft is rotated to a position in which the rotation shaft is contacted with the first position limiting member, the rotation shaft has a defined known position, the position is used as an initial position of the rotation shaft and the blades, so that the initial position of the blades is defined conveniently, and a rotation angle of the blades is regulated conveniently.

The drawings of the description forming a part of some embodiments of the present invention are used to provide further understanding of the invention, the schematic embodiments of the invention and descriptions thereof are used to explain the invention, and do not form improper limitation of the invention, which is limited by the scope of the appended claims. In the drawings:.

Herein, the above drawings include the following reference signs.

rotation shaft; <NUM>. plug; <NUM>. blade; <NUM>. fixing portion; 31a. housing; 31b. shaft sleeve; <NUM>. driving shaft; 32a. lug boss; <NUM>. first position limiting member; <NUM>. first connecting section; <NUM>. first extending section; <NUM>. second position limiting member; <NUM>. second connecting section; <NUM>. second extending section; <NUM>. locking button; <NUM>. cantilever; <NUM>. locking hook; <NUM>. handle; and <NUM>. air guiding assembly.

Technical solutions in the embodiments of the invention are clearly and completely described below in combination with the drawings in the embodiments of the disclosure. It is apparent that the embodiments described are only a part of the embodiments of the invention, but not all of the possible embodiments of the invention. The following description to at least one exemplary embodiment is actually merely illustrative, and is in no way served as any limitation to the invention or use thereof.

As shown in <FIG>, the embodiment of the invention provides an air sweeping assembly, including: a rotation shaft <NUM>, wherein the rotation shaft <NUM> is provided with blades <NUM>; a driving device, wherein the driving device includes a fixing portion <NUM> and a driving portion disposed on the fixing portion <NUM>; the driving portion is drivingly connected with the rotation shaft <NUM>, and the driving portion is configured to drive the rotation shaft <NUM> to rotate; and a first position limiting member <NUM> disposed on the fixing portion <NUM>; wherein the first position limiting member <NUM> is configured to define an initial position of the rotation shaft <NUM> in a circumferential direction.

The technical solution of the invention is applied, to enable the first position limiting member <NUM> of the air sweeping assembly to be disposed on the fixing portion of the driving device, and the initial position of the rotation shaft <NUM> in the circumferential direction is defined by the first position limiting member <NUM>. Because the first position limiting member <NUM> is positioned on a stationary fixing portion <NUM>, the position of the first position limiting member <NUM> is stationary, whenever the rotation shaft <NUM> is rotated to a position in which the rotation shaft is contacted with the first position limiting member <NUM>, the rotation shaft <NUM> has a defined known position, a position is used as the initial position of the rotation shaft <NUM> and the blades <NUM>, so that the initial position of the blades <NUM> is defined conveniently, and a rotation angle of the blades <NUM> is regulated conveniently. In addition, such a structure is used so that a program for controlling the blades <NUM> to find the initial position can also be set simply.

In this way, no matter where the blades <NUM> are positioned while the whole air conditioner is started, it is necessary to start rotation calculation from the initial position, and then rotated to a predetermined angle to be achieved to perform the air sweeping. The first position limiting member <NUM> in some embodiments is a static reference object without motion properties, it is great convenient to find the initial position for the blades <NUM>, thereby the control program of the blades <NUM> can be simplified, and a fixed-angle air sweeping of the blades <NUM> is achieved.

As shown in <FIG> and <FIG>, the air sweeping assembly further includes: a second position limiting member <NUM> disposed on the rotation shaft <NUM>, wherein the second position limiting member <NUM> is configured to contact with the first position limiting member <NUM> so as to define the initial position of the rotation shaft <NUM> in the circumferential direction. In such setting, while the rotation shaft <NUM> is rotated to a certain position, the second position limiting member <NUM> is contacted with the first position limiting member <NUM>, so as to prevent the rotation shaft <NUM> from being continuously rotated, this position is served as an initial position of the rotation shaft <NUM> and the blades <NUM>. In this way, while the initial position of the blades <NUM> is required to be defined, just the rotation shaft <NUM> is rotated. When the second position limiting member <NUM> is contacted with the first position limiting member <NUM>, the initial position is acquired, so that the initial position of the blades <NUM> is defined conveniently, and a rotation angle of the blades <NUM> is regulated conveniently.

As shown in <FIG>, the first position limiting member <NUM> includes: a first connecting section <NUM>, protrudingly disposed on the fixing portion and disposed on the fixing portion <NUM>; and a first extending section <NUM>, connected with the first connecting section <NUM>, wherein the first extending section <NUM> is extended along an axial direction of the rotation shaft <NUM>, and the first extending section <NUM> is configured to abut against the second position limiting member <NUM>. In such setting, the first position limiting member <NUM> is contacted with the second position limiting member <NUM> conveniently, thereby the initial position of the rotation shaft <NUM> and the blades <NUM> is defined conveniently.

As shown in <FIG>, the second position limiting member <NUM> includes: a second connecting section <NUM>, protrudingly disposed on the rotation shaft and disposed on the rotation shaft <NUM>; and a second extending section <NUM>, connected with the second connecting section <NUM>, wherein the second extending section <NUM> is extended along the axial direction of the rotation shaft <NUM>, and the second extending section <NUM> is configured to abut against the first position limiting member <NUM>. In such setting, the first position limiting member <NUM> is contacted with the second position limiting member <NUM> conveniently, thereby the initial position of the rotation shaft <NUM> and the blades <NUM> is defined conveniently. In some embodiments, while the rotation shaft <NUM> is rotated to the initial position, the first extending section <NUM> of the first position limiting member <NUM> is contacted with the second extending section <NUM> of the second position limiting member <NUM>, thereby the rotation shaft <NUM> is limited in the initial position, after the initial position is defined, the rotation angle of the blades <NUM> is regulated conveniently.

As shown in <FIG>, the fixing portion <NUM> includes: a housing 31a, wherein at least part of the driving portion is disposed in the housing 31a; and a shaft sleeve 31b, connected with the housing 31a, wherein the first position limiting member <NUM> is protrudingly disposed on the shaft sleeve and disposed on the shaft sleeve 31b, and a driving shaft <NUM> of the driving portion is passed through the shaft sleeve 31b. In this way, the first position limiting member <NUM> is conveniently installed and an avoidance is performed on the driving shaft <NUM> of the driving portion.

According to the invention, the driving shaft <NUM> of the driving portion is provided with a slot 32a, an inside of the slot 32a is provided with a first limiting surface, an end part of the rotation shaft <NUM> is provided with a plug <NUM>, the plug <NUM> is provided with a second limiting surface, the plug <NUM> is in insert-connection with the slot 32a, and the first limiting surface is cooperated with the second limiting surface. In such setting, the connection of the rotation shaft <NUM> and the driving shaft <NUM> is achieved in an insert-connection manner, and a transfer of a force torque is achieved by a cooperation of the first limiting surface and the second limiting surface. So, it is convenient to an assembly of the rotation shaft <NUM> and the driving shaft <NUM> by a technical solution of some embodiments of the present disclosure.

Accortding to the present invention, an inside of the slot 32a is provided with a plurality of first limiting surfaces, an outer side of the plug <NUM> is provided with a plurality of second limiting surfaces, the plurality of second limiting surfaces are in cooperative-connection with the plurality of first limiting surfaces each other. In such setting, the connection reliability of the rotation shaft <NUM> and the driving shaft <NUM> is improved, and the rotation shaft <NUM> and the driving shaft <NUM> are prevented from being relatively moved, so that the torque is transferred better. For example, in some embodiments, a cross section of the slot 32a and a cross section of the plug <NUM> are set as mutually matched hexagonal structures.

In order to improve a connection strengthen of the rotation shaft <NUM> and the driving shaft <NUM>, according to the invention, the air sweeping assembly further includes: a locking button <NUM>, disposed at one end, adjacent to the driving portion, of the rotation shaft <NUM>, wherein, the driving shaft <NUM> of the driving portion is provided with a lug boss 32b, the locking button <NUM> is in locking-connection with the lug boss 32b so as to prevent the rotation shaft <NUM> from being axially moved relative to the driving shaft <NUM>. In such setting, the rotation shaft <NUM> is prevented from being axially moved relative to the driving shaft <NUM> by a locking-connection of the locking button <NUM> and the lug boss 32b, thereby a reliability of the sweeping assembly is guaranteed. In addition, a connection manner of the locking-connection is convenient to the assembly of the sweeping assembly.

As shown in <FIG>, the locking button <NUM> includes: a cantilever <NUM>, protrudingly disposed on the rotation shaft <NUM> and disposed on the rotation shaft <NUM>; and a locking hook <NUM>, connected with the cantilever <NUM>, wherein, the locking hook <NUM> is in locking-connection with the lug boss 32b. In this way, enough space is reserved to install the locking button <NUM> conveniently. After the locking hook <NUM> is in locking-connection with the lug boss 32b, a connecting part of the lug boss 32b is positioned in an area between the cantilever <NUM> and the locking hook <NUM>.

According to the present invention, the locking button <NUM> further includes: a handle <NUM>, one end of the handle <NUM> is connected with the locking hook <NUM>, and the other end of the handle <NUM> is a free end, the handle <NUM> and the locking hook <NUM> are respectively positioned at both sides of the cantilever <NUM>. In this way, the handle <NUM>, the cantilever <NUM> and the locking hook <NUM> form a leverage effect, in operation, the handle <NUM> is pressed so that the handle <NUM> is moved to a direction adjacent to the rotation shaft <NUM>, thereby the locking hook <NUM> is moved to a direction away from the rotation shaft <NUM>, in this way, the locking hook <NUM> has enough avoidance space to connect or disconnect with the lug boss 32b. So, it is convenient to an assembly of the rotation shaft <NUM> and the driving shaft <NUM> by the technical solution of some embodiments of the present disclosure.

In order to improve the connection strength of the rotation shaft <NUM> and the driving shaft <NUM>, in some embodiments of the present invention, two symmetric locking buttons <NUM> are installed, and the two locking buttons <NUM> are respectively connected with the lug boss 32b. In addition, in some embodiments, after the locking hook <NUM> is connected with the lug boss 32b, the shaft sleeve 31b also has a limiting effect on the locking hook <NUM>. In some embodiments, the locking button <NUM> is made of an elastic material. For example, the locking buttons <NUM> and the rotation shaft <NUM> are integrally injection-formed by using a plastic material.

Some embodiments of the present invention further provide an air regulating device, the air regulating device includes an air guiding assembly <NUM> and the above mentioned air sweeping assembly, a rotation shaft <NUM> of the air sweeping assembly is disposed on the air guiding assembly <NUM>. The technical solution of the embodiments is applied, to enable the first position limiting member <NUM> of the air sweeping assembly to be disposed on the fixing portion <NUM> of the driving device, and the initial position of the rotation shaft <NUM> in the circumferential direction is defined by the first position limiting member <NUM>. Because the first position limiting member <NUM> is positioned on the stationary fixing portion <NUM>, the position of the first position limiting member <NUM> is stationary, whenever the rotation shaft <NUM> is rotated to a position in which the rotation shaft <NUM> is contacted with the first position limiting member <NUM>, the rotation shaft <NUM> has a defined known position, the position is used as the initial position of the rotation shaft <NUM> and the blades <NUM>, so that the initial position of the blades <NUM> is defined conveniently, and a rotation angle of the blades <NUM> is regulated conveniently. The air regulating device is set to include the air sweeping assembly and the air guiding assembly <NUM>, a same set of the device can be used to achieve the regulation of air blown out from the air conditioner in left-right direction and upward-downward direction, thereby the comfort level of a user is improved and the air regulating device is enabled to be more compact.

Some embodiments of the present invention provide an air conditioner. The air conditioner includes an air regulating device, the air regulating device is the air regulating device provided by the above embodiments. By using the air conditioner, the initial position of the blades <NUM> is defined conveniently, thereby the rotation angle of the blades <NUM> is regulated conveniently.

Claim 1:
An air sweeping assembly, comprising:
a rotation shaft (<NUM>), the rotation shaft (<NUM>) being provided with blades (<NUM>);
a driving device, wherein the driving device comprises a fixing portion (<NUM>) and a driving portion disposed on the fixing portion (<NUM>); the driving portion is drivingly connected with the rotation shaft (<NUM>), and the driving portion is configured to drive the rotation shaft (<NUM>) to rotate; and
a first position limiting member (<NUM>) disposed on the fixing portion (<NUM>), wherein the first position limiting member (<NUM>) is configured to define an initial position of the rotation shaft (<NUM>) in a circumferential direction;
wherein a driving shaft (<NUM>) of the driving portion is provided with a slot (32a), an inside of the slot (32a) is provided with a first limiting surface, an end part of the rotation shaft (<NUM>) is provided with a plug (<NUM>), the plug (<NUM>) is provided with a second limiting surface, the plug (<NUM>) is in insert-connection with the slot (32a), and the first limiting surface is cooperated with the second limiting surface;
characterized by further comprising:
a locking button (<NUM>), disposed at one end, adjacent to the driving portion, of the rotation shaft (<NUM>), wherein, a driving shaft (<NUM>) of the driving portion is provided with a lug boss (32b), the locking button (<NUM>) is in locking-connection with the lug boss (32b) so as to prevent the rotation shaft (<NUM>) from being axially moved relative to the driving shaft (<NUM>);
wherein the locking button (<NUM>) comprises:
a cantilever (<NUM>), protrudingly disposed on the rotation shaft (<NUM>) and disposed on the rotation shaft (<NUM>); and
a locking hook (<NUM>), connected with the cantilever (<NUM>), wherein, the locking hook (<NUM>) is in locking-connection with the lug boss (32b);
a handle (<NUM>), one end of the handle (<NUM>) is connected with the locking hook (<NUM>), and the other end of the handle (<NUM>) is a free end, the handle (<NUM>) and the locking hook (<NUM>) are respectively positioned at both sides of the cantilever (<NUM>).