CN205279241U - Breather and have its wall -hanging type air conditioner - Google Patents

Abstract

The utility model discloses a ventilation device and a wall-mounted air conditioner with the same. The ventilation device comprises a volute, a first valve core, a second valve core, a blower fan and an air filter. The volute case includes a first volute tongue part, a second volute tongue part, a third volute tongue part and a fourth volute tongue part, the first volute tongue part and the fourth volute tongue part are used to communicate with the outdoor, and the The second volute tongue part is used for communicating with the room, and the third volute tongue part is used for connecting with the dust suction device of the filter screen of the wall-mounted air conditioner. The fan is arranged in the volute. The air filter is arranged in the second volute tongue. The ventilation device in the embodiment of the utility model can not only automatically remove the dust of the wall-mounted air conditioner, but also purify the air flowing from the outdoor to the indoor.

Description

Ventilation device and wall-mounted air conditioner having same

technical field

The utility model relates to the field of air conditioners, in particular to a ventilation device and a wall-mounted air conditioner with the same.

Background technique

The ventilation device of the existing wall-mounted air conditioner sometimes needs to switch the air duct to achieve the corresponding function.

Utility model content

The utility model aims at at least solving one of the technical problems existing in the prior art. Therefore, the utility model provides a ventilation device.

The ventilation device according to the embodiment of the utility model includes a volute, a first valve core, a second valve core, a blower fan and an air filter. The volute case includes a first volute tongue, a second volute tongue, a third volute tongue and a fourth volute tongue. The first volute tongue part and the fourth volute tongue part are used for communicating with the outdoor, the second volute tongue part is used for communicating with the indoor, and the third volute tongue part is used for dust collection with the filter screen of the air conditioner device connection. The first valve core selectively opens the second volute tongue portion and closes the third volute tongue portion or opens the third volute tongue portion and closes the second volute tongue portion. The second valve core selectively opens the first volute tongue portion and closes the fourth volute tongue portion or opens the fourth volute tongue portion and closes the first volute tongue portion. The fan is arranged in the volute and is used to rotate in a first direction to suck indoor air through the first volute tongue and enter the room through the second volute tongue or to rotate in a second direction to pass through the second volute tongue. The third volute tongue sucks the dust from the filter screen and discharges it to the outside through the fourth volute tongue. The air filter is arranged in the second volute tongue part and is used for filtering the air passing through the second volute tongue part.

The first valve core and the second valve core of the ventilating device according to the embodiment of the utility model can be rotated to switch the air duct, thereby realizing the switching between different functions of the ventilating device. In addition, the ventilation device can not only automatically remove the dust of the wall-mounted air conditioner, but also purify the air flowing from the outside to the room, which meets the needs of users.

In some embodiments, the second volute tongue part and the third volute tongue part are connected, and the first valve core is arranged at the connection between the second volute tongue part and the third volute tongue part , the first valve core includes an arc plate, a rotating shaft driving the arc plate to rotate, and a connecting piece connecting the rotating shaft and the arc plate.

In some embodiments, the inner wall of the third volute tongue part is provided with a locking groove matching with the arc plate at a position corresponding to the rotation track of the arc plate; the first valve core is in the first position At this time, one end of the circular arc plate is snapped into the slot, and the other end is attached to the intersecting section of the inner wall of the third volute tongue and the second volute tongue.

In some embodiments, the inner wall of the second volute tongue part is provided with a rib plate attached to the arc plate at a position corresponding to the rotation track of the arc plate, and the arc plate is in the second position At this time, one end of the circular arc plate is engaged with the rib plate, and the other end is attached to the intersecting section of the inner wall of the third volute tongue and the second volute tongue.

The utility model also provides a wall-mounted air conditioner.

The wall-mounted air conditioner of the present utility model comprises a shell, the ventilation device mentioned above, a filter screen, a dust suction device, a first hose and a second hose. The casing includes a chassis and a surface frame. The surface frame cover is arranged on the chassis, and the surface frame is formed with an air inlet. The ventilation device is housed in the casing and installed on the chassis. The filter screen is arranged on the surface frame and closes the air inlet. The first volute tongue part is formed with an air inlet; the second volute tongue part is formed with an air outlet; the third volute tongue part is formed with a dust suction port, and the fourth volute tongue part is formed with a dust discharge port . The dust suction device is on the surface frame and connected with the dust suction port. The dust suction device forms a dust suction groove facing the filter screen and communicating with the dust suction port. The first flexible pipe communicates with the air inlet and the outside. The second hose communicates with the dust outlet and the outside.

In some embodiments, the chassis is formed with a storage slot for accommodating a cross-flow fan and a heat exchanger, and a mounting seat on the left side of the storage slot for installing the ventilation device.

In some embodiments, the dust suction device includes a dust suction frame, and the dust suction frame includes a support plate, an upper panel and a rear cover. The upper panel is installed on the supporting board. The rear cover is connected to the support plate and the rear cover of the upper panel. The back cover is pasted on the filter net, and the dust suction groove is arranged in the length direction of the back cover.

In some embodiments, the dust collection device further includes a mounting part, a motor, rollers and a sealing strip. The installation part is installed on one end of the dust suction rack and is hollow. The motor is installed outside the installation part. The roller is installed in the installation part and connected with the motor. The sealing strip is installed in the dust suction frame and connected with the rollers. The motor drives the sealing strip to move through the roller to adjust the size of the opening of the dust suction slot.

In some embodiments, a seal is provided at the connection between the dust suction device and the dust suction port.

In some embodiments, the seal is silicone.

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

Description of drawings

The above and/or additional aspects and advantages of the present utility model will become apparent and easy to understand from the description of the embodiments in conjunction with the following drawings, wherein:

Fig. 1 is a three-dimensional schematic diagram of a wall-mounted air conditioner according to an embodiment of the present invention.

Fig. 2 is a perspective view of a part of the structure of the wall-mounted air conditioner according to the embodiment of the utility model.

Fig. 3 is an exploded schematic diagram of a part of the structure of the wall-mounted air conditioner according to the embodiment of the present utility model.

Fig. 4 is a schematic front view of the ventilation device of the wall-mounted air conditioner according to the embodiment of the present invention.

Fig. 5 is an exploded schematic view of the ventilation device of the wall-mounted air conditioner according to the embodiment of the present invention.

Fig. 6 is a schematic cross-sectional view along A-A in Fig. 4 .

FIG. 7 is an enlarged schematic view of B in FIG. 6 .

Fig. 8 is a schematic front view of the vortex fan of the wall-mounted air conditioner according to the embodiment of the present utility model.

Fig. 9 is a schematic right view of the vortex fan of the wall-mounted air conditioner according to the embodiment of the present invention.

Fig. 10 is a schematic left view of the vortex fan of the wall-mounted air conditioner according to the embodiment of the present utility model.

Fig. 11 is a schematic plan view of the ventilation device of the wall-mounted air conditioner according to the embodiment of the present invention.

Fig. 12 is a schematic front view of a wall-mounted air conditioner according to an embodiment of the present invention.

Fig. 13 is a schematic cross-sectional view along C-C in Fig. 12 .

Fig. 14 is a schematic perspective view of an air filter of a wall-mounted air conditioner according to an embodiment of the present invention.

Fig. 15 is a schematic left view of the wall-mounted air conditioner according to the embodiment of the present invention.

Fig. 16 is a schematic cross-sectional view along D-D in Fig. 15 .

FIG. 17 is an enlarged schematic view at E in FIG. 16 .

FIG. 18 is an enlarged schematic view at point F in FIG. 17 .

Fig. 19 is a perspective view of part of the structure of the wall-mounted air conditioner according to the embodiment of the present utility model.

Fig. 20 is a schematic plan view of part of the structure of the wall-mounted air conditioner according to the embodiment of the present utility model.

Fig. 21 is a schematic cross-sectional view of I-I in Fig. 20 .

Fig. 22 is an enlarged schematic view of II in Fig. 21 .

Fig. 23 is a schematic rear view of a part of the structure of the wall-mounted air conditioner according to the embodiment of the present utility model.

Fig. 24 is a schematic plan view of the ventilation device of the wall-mounted air conditioner according to the embodiment of the present invention.

Fig. 25 is an enlarged schematic view of III in Fig. 24 .

Fig. 26 is a schematic plan view of the ventilation device of the wall-mounted air conditioner according to the embodiment of the present invention.

Fig. 27 is a perspective view of part of the structure of the wall-mounted air conditioner according to the embodiment of the present utility model.

detailed description

Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present utility model, but should not be construed as limiting the present utility model.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", Orientation indicated by "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. Or the positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be configured in a specific orientation, and operation, and therefore cannot be construed as a limitation of the utility model. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of said features. In the description of the present utility model, "plurality" means two or more, unless otherwise specifically defined.

In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a flexible connection. Detachable connection, or integral connection; it can be mechanical connection, electrical connection or mutual communication; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components or the mutual communication of two components role relationship. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

In the present invention, unless otherwise clearly specified and limited, a first feature being "on" or "under" a second feature may include direct contact between the first and second features, and may also include the first and second features being in direct contact with each other. The features are not in direct contact but through another feature between them. Moreover, "above", "above" and "above" the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. "Below", "below" and "under" the first feature to the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is less horizontal than the second feature.

The disclosure below provides many different implementations or examples for realizing different structures of the present invention. To simplify the disclosure of the present invention, components and arrangements of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the utility model. Furthermore, the present disclosure may repeat reference numerals and/or reference letters in different instances, such repetition is for simplicity and clarity and does not in itself indicate a relationship between the various embodiments and/or arrangements discussed. In addition, various specific process and material examples are provided herein, but one of ordinary skill in the art may recognize the use of other processes and/or the use of other materials.

Embodiment one:

Referring to FIGS. 1-3 , the wall-mounted air conditioner 100 of this embodiment includes a casing 10 and a ventilation device 20 . The housing 10 includes a chassis 11 and a wind deflector 12 . The wind deflector 12 is rotatably disposed on the chassis 11 . The ventilation device 20 is accommodated in the casing 10 and disposed on the chassis 11 . The ventilator 20 is detachably mounted on the chassis 11 through a buckle structure and/or screws. The chassis 11 is formed with a receiving groove 111 , a mounting seat 112 and a volute air outlet 113 . The receiving tank 111 is used for receiving a cross-flow fan (not shown) and a heat exchanger (not shown). The installation seat 112 is located on the left side of the receiving groove 111 and is used for installing the ventilation device 20 . The volute tongue air outlet 113 communicates with the receiving groove 111 and is used to send out the airflow created by the cross-flow fan.

The ventilation device 20 includes a volute 211 and a vortex fan 212 . The vortex fan 212 is disposed in the volute 211 . The volute 211 includes an air inlet 211m for communicating with the outdoor and an air outlet 211n for communicating with the indoor. The vortex fan 212 is used to create an airflow to suck outdoor air from the air inlet 211m and discharge it indoors from the air outlet 211n. The air inlet 211m is located on the rear side panel of the chassis 11 . The air outlet direction of the air outlet 211n is parallel to the air outlet direction of the volute tongue air outlet 113 . The air deflector 12 is used to close the air outlet 113 and the air outlet 221n of the volute tongue when closed, and expose the air outlet 113 and the air outlet 211n of the volute tongue when opened. The volute 211 of the ventilation device 20 is provided with a hook 211p, and the chassis 11 is provided with a slot 114 matching with the hook 211p. The ventilation device 20 is mounted on the chassis 11 through the hook 211 p and the slot 114 .

Referring to FIGS. 4-9 , the volute case 211 includes a volute portion 2111 , a first volute tongue portion 2112 and a second volute tongue portion 2113 . The first volute tongue portion 2112 and the second volute tongue portion 2113 extend outward from the volute portion 2111 and communicate with the volute portion 2111 . The vortex fan 212 is accommodated in the volute part 2111 and coaxially arranged with the volute part 2111 . The first volute tongue portion 2112 and the second volute tongue portion 2113 extend from the volute portion 2111 along the tangential direction of the volute portion 2111 . The first volute tongue part 2112 and the second volute tongue part 2113 communicate with the indoor and outdoor respectively.

The volute 211 includes a first casing 211a and a second casing 211b. The first housing 211 a and the second housing 211 b are divided along a central axis perpendicular to the spiral portion 2111 . The first casing 211a includes a first volute case 2111a, a first volute case 2112a and a second volute case 2113a. The second casing 211b includes a second volute case 2111b, a third volute case 2112b and a fourth volute case 2113b. The first volute case 2111 a and the second volute case 2111 b are assembled to form the volute portion 2111 . The first volute case 2112 a and the third volute case 2112 b are assembled to form the first volute portion 2112 , and the second volute case 2113 a and the fourth volute case 2113 b are assembled to form the second volute portion 2113 .

The first housing 211a also includes a first arc-shaped connecting piece 211g. The first arc-shaped connecting piece 211g connects the first volute case 2111a, the first volute case 2112a and the second volute case 2113a and is arranged coaxially with the first volute case 2111a. The second housing 211b also includes a second arc-shaped connecting piece 211h. The second arc-shaped connecting piece 211h connects the second volute case 2111b, the third volute case 2112b and the fourth volute case 2113b and is arranged coaxially with the second volute case 2111b.

The outer edge of the first housing 211a is formed with a protrusion 211c, and the outer edge of the second housing 211b is formed with a buckle 211d that matches the protrusion 211c. The first housing 211a and the second housing 211b connect with the buckle 211d The snap fit of the tabs 211c assembles together. A first notch 211e is formed between the edge end surface and the inner surface of the first shell 211a, and the first notch 211e extends along the outer edge of the first shell 211a, and between the edge end surface and the outer surface of the second shell 211b A second cutout 211f is formed to cooperate with the first cutout 211e.

The vortex fan 212 includes an outer rotor motor 2121 and a vortex fan wheel 2122 . The outer rotor motor 2121 includes an inner stator 2121a and an outer rotor 2121b. The outer rotor 2121b is arranged to rotate around the inner stator 2121a. The vortex rotor 2122 includes a hub 2122a, blades 2122b, and a disc 2123c. The hub 2122a is coupled to the outer rotor 2121b, and the blades 2122b extend outward from the hub 2122a and are radially arranged. The blades 2122b extend radially of the vortex impeller 2122, or are in the shape of a forward sweep or a backward sweep. The disc 2123c extends outward from the hub 2122a along the rotation axis perpendicular to the vortex impeller 2122 and connects to the blades 2122b.

The axial thickness of the outer rotor 2121b is greater than the axial thickness of the hub 2122a, the axial thickness of the hub 2122a is greater than the axial thickness of the blades 2122b, the inner stator 2121a protrudes from one axial side of the outer rotor 2121b, and the first shell 211a forms The blade receiving groove 211i, the hub receiving groove 211j extending outward from the bottom surface of the blade receiving groove 211i, the rotor receiving groove 211k extending outward from the bottom surface of the hub receiving groove 211j, and the stator extending outward from the bottom surface of the stator receiving groove 211k Storage tank 211l. The distance between the blade 2122b and the bottom surface of the blade receiving groove 211i is 1-3mm.

The inner stator 2121a includes an installation end surface 2121c, and the installation end surface 2121c is used to be fixed on the bottom surface of the stator receiving groove 211k by fasteners.

The aerator 20 also includes a shock absorbing element 213, such as a rubber gasket. The damping element 213 is disposed between the inner stator 2121 a and the bottom surface of the stator receiving groove 211 .

Embodiment two:

Referring to FIG. 10 , the ventilation device 20 of this embodiment includes a volute 211 and a vortex fan 212 . The vortex fan 212 is disposed in the volute 211 . The volute 211 includes a volute portion 2111 , a first volute tongue portion 2112 and a second volute tongue portion 2113 . The first volute tongue portion 2112 and the second volute tongue portion 2113 extend outward from the volute portion 2111 and communicate with the volute portion 2111 . The vortex fan 212 is accommodated in the volute part 2111 and coaxially arranged with the volute part 2111 . The second volute tongue part is installed with an air filter 30 for filtering the air passing through the second volute tongue part 2113 .

The second volute tongue portion 2113 includes a decompression portion 2113c and a contraction portion 2113d extending from the volute portion 2111 along the air outlet direction of the second volute tongue portion 2113 . The air passage cross-sectional area of the decompression part 2113c is larger than the cross-sectional area of the air passage of the first volute tongue part 2112, and the air filter 30 is installed in the decompression part 2113c. The cross-sectional area through which air passes through the constriction part 2113 is smaller than the cross-sectional area through which air passes through the decompression part 2113c. In this way, the wind speed of the air outlet can be accelerated, so that the purified air can be blown to a farther place, and at the same time, the sound of the air outlet can be changed to bring a better experience to the user. The air filter 30 is a HEPA (High Efficiency Particulate Air Filter) filter.

For other features of the ventilating device 20 and the wall-mounted air conditioner 100 of this embodiment, please refer to Embodiment 1, which will not be repeated here.

Embodiment three:

Referring to FIGS. 12-18 , the ventilation device 20 of this embodiment includes a volute 211 , a fan, an air filter 30 , a first magnetic element 33 and a second magnetic element 34 . The volute 211 includes a volute portion 2111 , a first volute tongue portion 2112 and a second volute tongue portion 2112 . The first volute tongue portion 2112 and the second volute tongue portion 2112 extend outward from the volute portion 2111 and communicate with the volute portion 2111 . The blower is accommodated in the volute portion 2111 and coaxially arranged with the volute portion 2111 . The air filter 30 includes a mounting plate 31 and a filter 32 extending upward from the mounting plate 31 . The filter 32 extends from the mounting plate 31 in the thickness direction of the filter 32 . The sidewall of the second volute tongue portion 2112 defines an opening 36 for inserting the filter 32 into the second volute tongue portion 2112 . The installation plate 31 is used to seal the opening 36 , and the filter 32 is used to filter the air passing through the second volute tongue part 2112 . A handle portion 311 is formed on the outer surface of the mounting plate 31 .

The first magnetic element 33 is disposed on the second volute tongue portion 2112 , and the second magnetic element 34 is disposed on the mounting plate 31 and cooperates with the first magnetic element 33 to fix the air filter 30 on the second volute tongue portion 2112 . The force between the first magnetic element 33 and the second magnetic element 34 is substantially parallel to the direction in which the air filter 30 is inserted into the second volute tongue portion 2112 .

The aerator 20 also includes a seal 35, such as a sponge. The seal 35 is disposed between the installation plate 31 and the second volute tongue portion 2112 , and the seal is used to further seal the opening 36 .

The fan is a vortex fan 212.

Please refer to FIGS. 12-18 . The wall-mounted air conditioner 100 of this embodiment includes a chassis 11 , a surface frame 13 and a ventilation device 20 of this embodiment. The face frame 13 is covered on the chassis 11 . The ventilation device 20 is disposed at one end of the chassis 11 and accommodated in the surface frame 13 . The front frame 13 includes a side plate 131 opposite to the ventilation device 20 , and the opening 36 of the side wall of the second volute tongue portion 2112 faces the side plate 131 . The side plate 131 defines an installation opening 37 , and the opening 36 is exposed from the installation opening 37 . The installation plate 31 is accommodated in the installation opening 37 and covers and seals the opening 36 .

When the air filter 30 needs to be disassembled, just pull the handle part 311 and pull it out by overcoming the suction force of the first magnetic element 33 and the second magnetic element 34 in the direction of the arrow in FIG. 12 , which is easy to operate.

For other features of the ventilating device 20 and the wall-mounted air conditioner 100 in this embodiment, please refer to the first and second embodiments above, and details will not be repeated here.

Embodiment four:

Referring to FIGS. 2 , 12-13 , and 19-25 , the wall-mounted air conditioner 100 of this embodiment includes a housing 10 , a ventilation device 20 , a filter 40 , a dust collection device 50 and a hose 60 . The casing 10 includes a chassis 11 and a frame 13 . The chassis 11 is formed with a receiving slot 111 and a mounting seat 112 . The receiving tank 111 is used for receiving a cross-flow fan (not shown) and a heat exchanger (not shown). The installation seat 112 is located on the left side of the receiving groove 111 and is used for installing the ventilation device 20 . The front frame 13 is covered on the chassis 11 , and the front frame 13 is formed with an air inlet 132 . The ventilation device 20 is accommodated in the housing and installed on the chassis 11 . The ventilation device 20 includes a volute 211 , a first valve core 2115 and a fan.

The volute case 211 includes a volute portion 2111 , a first volute tongue portion 2112 , a second volute tongue portion 2113 and a third volute tongue portion 2114 . The first volute tongue part 2112 is used for communicating with the outdoor, the second volute tongue part 2113 is used for communicating with the indoor, and the third volute tongue part 2114 is used for connecting with the dust suction device 50 . The first valve core 2115 selectively communicates with the first volute tongue portion 2112 and the second volute tongue portion 2113 or communicates with the first volute tongue portion 2112 and the third volute tongue portion 2114 . The fan is arranged in the volute 211 . The fan is used to rotate in the first direction to suck outdoor air through the first volute tongue part 2111 and enter the room through the second volute tongue part 2112 and to rotate in the second direction to suck in the filter screen 40 through the third volute tongue part 2114 The dust is discharged outdoors through the first volute tongue part 2112. The first volute tongue portion 2112 is formed with a dust outlet 211r. The second volute tongue portion 2113 is formed with an air outlet 211n. The third volute tongue part 2114 is formed with a suction port 211q.

The second volute tongue portion 2113 is connected to the third volute tongue portion 2114 , and the first valve core 2115 is disposed at the joint of the second volute tongue portion 2113 and the third volute tongue portion 2114 . The first valve core 2115 includes an arc plate 2115a, a rotating shaft 2115b and a connecting piece 2115c. The rotating shaft 2115b is used to drive the arc plate 2115a to rotate. The connecting piece 2115c connects the arc plate 2115a and the rotating shaft 211b.

The inner wall of the third volute tongue portion 2113 is provided with a locking groove 2114a matching with the arc plate 2115a at a position corresponding to the rotation track of the arc plate 2115a. When the first spool 2115 is in the first position, one end of the circular arc plate 2115a is engaged in the slot 2114a, and the other end is attached to the intersecting section of the inner walls of the second volute tongue portion 2113 and the third volute tongue portion 2114 .

The filter screen 40 is disposed on the surface frame 13 and closes the air inlet 132 . The dust suction device 50 is provided on the surface frame 13 and connected to the dust suction port 211q. A seal is provided at the connection between the dust suction device 50 and the dust suction port 211q, and the seal can be silica gel. The dust suction device 50 is formed with a dust suction groove 50a. The length of the dust collection device 50 is substantially the same as that of the wall-mounted air conditioner 100 . The dust suction groove 50a faces the filter screen 40 and communicates with the dust suction port 211q. The hose 60 is connected to the dust outlet 211r and the outside.

The dust suction device 50 includes a dust suction frame 51 , a mounting portion 52 , a motor 53 , rollers 55 and a sealing strip 55 . The dust collector 51 includes a supporting plate 511 , an upper panel 512 and a rear cover 513 . The upper panel 512 is installed on the support plate 511 . The rear cover 513 is connected to the support plate 511 and the rear cover 513 of the upper panel 512 . The back cover 513 is pasted on the filter screen 40 , and the dust suction groove 50 a is arranged on the length direction of the back cover 513 .

The installation part 52 is installed on one end of the dust collector 51 and is hollow. The motor 53 is mounted outside the mounting portion 52 . The roller 55 is installed in the installation part 52 and connected with the motor 53 . The sealing strip 55 is installed in the vacuum frame 51 and connected with the roller 55 . The motor 53 drives the sealing strip 55 to move through the roller 55 to adjust the size of the opening of the dust suction slot 50a.

When the wall-mounted air conditioner 100 is in the dust suction mode, the first valve core 2115 rotates to close the air outlet 211n, the fan rotates in the second direction, the dust suction groove 50a forms suction to absorb the dust on the filter screen 40, and the dust passes through the hose 60 to the outside. When the wall-mounted air conditioner 100 is in the ventilation mode, the first valve core 2115 rotates to close the dust suction port 211q, the fan rotates in the first direction, and the dust discharge port 211r (the air inlet at this time) sucks in air from the outside air, After passing through the second volute tongue part 2113, it is sent to the room from the air outlet 211n. It realizes that the wall-mounted air conditioner 100 integrates the dust collection function and the ventilation function, so that the structure of the wall-mounted air conditioner 100 is more compact.

For other features of the ventilating device 20 and the wall-mounted air conditioner 100 of this embodiment, please refer to the first, second and third embodiments above, and will not be repeated here.

Embodiment five:

Please refer to Figures 2, 12-13, and 19-27 together. The wall-mounted air conditioner 100 of this embodiment includes a housing 10, a ventilation device 20, an air filter 30, a filter screen 40, a dust collection device 50, a A hose 70 and a second hose 80 . The casing 10 includes a chassis 11 and a frame 13 . The chassis 11 is formed with a receiving slot 111 and a mounting base 112 . The receiving tank 111 is used for receiving a cross-flow fan (not shown) and a heat exchanger (not shown). The installation seat 112 is located on the left side of the receiving groove 111 and is used for installing the ventilation device 20 . The front frame 13 is covered on the chassis 11 , and the front frame 13 is formed with an air inlet 132 . The ventilation device 20 is accommodated in the housing and installed on the chassis 11 . The ventilation device 20 includes a volute 211 , a first valve core 2115 , a second valve core 2117 and a fan. The fan is a vortex fan 212.

The volute case 211 includes a volute portion 2111 , a first volute tongue portion 2112 , a second volute tongue portion 2113 , a third volute tongue portion 2114 and a fourth volute tongue portion 2116 . The first volute tongue part 2112 and the fourth volute tongue part 2116 are used for communicating with the outdoor, the second volute tongue part 2113 is used for communicating with the indoor, and the third volute tongue part 2114 is used for connecting with the vacuum device 50 . The first valve core 2115 selectively opens the second volute tongue portion 2113 and closes the third volute tongue portion 2114 or opens the third volute tongue portion 2114 and closes the second volute tongue portion 2113 . The second valve core 2117 selectively opens the first volute tongue portion 2112 and closes the fourth volute tongue portion 2116 or opens the fourth volute tongue portion 2116 and closes the first volute tongue portion 2112 . The fan is arranged in the volute 211 . The fan is used to rotate in the first direction to suck outdoor air through the first volute tongue part 2111 and enter the room through the second volute tongue part 2112 and to rotate in the second direction to suck in the filter screen through the third volute tongue part 2114 The dust is discharged to the outside through the fourth volute tongue part 2116. The first volute tongue portion 2112 is formed with an air inlet 211m. The second volute tongue portion 2113 is formed with an air outlet 211n. The third volute tongue part 2114 is formed with a suction port 211q. The fourth volute tongue portion 2116 is formed with a dust discharge port 211r.

The second volute tongue portion 2113 is connected to the third volute tongue portion 2114 , and the first valve core 2115 is disposed at the joint of the second volute tongue portion 2113 and the third volute tongue portion 2114 . The first valve core 2115 includes an arc plate 2115a, a rotating shaft 2115b and a connecting piece 2115c. The rotating shaft 2115b is used to drive the arc plate 2115a to rotate. The connecting piece 2115c connects the arc plate 2115a and the rotating shaft 211b.

The inner wall of the third volute tongue portion 2113 is provided with a locking groove 2114a matching with the arc plate 2115a at a position corresponding to the rotation track of the arc plate 2115a. When the first spool 2115 is in the first position, one end of the circular arc plate 2115a is engaged in the slot 2114a, and the other end is attached to the intersecting section of the inner walls of the second volute tongue portion 2113 and the third volute tongue portion 2114 .

The air filter 30 is arranged in the second volute tongue part 2113 for filtering the air 2113 passing through the second volute tongue part.

The filter screen 40 is disposed on the surface frame 13 and closes the air inlet 132 . The dust suction device 50 is provided on the surface frame 13 and connected to the dust suction port 211q. A seal is provided at the connection between the dust suction device 50 and the dust suction port 211q, and the seal can be silica gel. The dust suction device 50 is formed with a dust suction groove 50a. The length of the dust collection device 50 is substantially the same as that of the wall-mounted air conditioner 100 . The dust suction groove 50a faces the filter screen 40 and communicates with the dust suction port 211q.

The dust suction device 50 includes a dust suction frame 51 , a mounting portion 52 , a motor 53 , rollers 55 and a sealing strip 55 . The dust collector 51 includes a supporting plate 511 , an upper panel 512 and a rear cover 513 . The upper panel 512 is installed on the support plate 511 . The rear cover 513 is connected to the support plate 511 and the rear cover 513 of the upper panel 512 . The back cover 513 is pasted on the filter screen 40 , and the dust suction groove 50 a is arranged on the length direction of the back cover 513 .

The installation part 52 is installed on one end of the dust collector 51 and is hollow. The motor 53 is mounted outside the mounting portion 52 . The roller 55 is installed in the installation part 52 and connected with the motor 53 . The sealing strip 55 is installed in the vacuum frame 51 and connected with the roller 55 . The motor 53 drives the sealing strip 55 to move through the roller 55 to adjust the size of the opening of the dust suction slot 50a.

The first hose 70 communicates with the air inlet 211m and the outside. The second hose 80 communicates with the dust outlet 211r and the outside.

When the wall-mounted air conditioner 100 is in the vacuuming mode, the first valve core 2115 rotates to close the air outlet 211n, and the second valve core 2116 rotates to close the air inlet 211m. In this way, the dust suction port 211q communicates with the dust discharge port 211r. The blower rotates in the second direction, and the suction groove 50a forms a suction force to absorb the dust on the filter screen 40, and the dust is discharged to the outside through the second hose 80.

When the wall-mounted air conditioner 100 is in the ventilation mode, the first valve core 2115 rotates to close the dust suction port 211q, and the second valve core 2116 rotates to close the dust discharge port 211r. In this way, the air inlet 211m communicates with the air outlet 211n, the fan rotates in the first direction, the air inlet 211m sucks air from the outdoor air through the first hose 70, and flows through the air filter 30 in the second volute tongue part 2113 It flows into the room from the air outlet 211n. The wall-mounted air conditioner 100 integrates the functions of dust collection and ventilation, making the structure of the wall-mounted air conditioner 100 more compact, and can purify the air sent to the room, which is beneficial to human health.

For other features of the ventilator 20 and the wall-mounted air conditioner 100 of this embodiment, please refer to the first, second, third and fourth embodiments above, and will not be repeated here.

The ventilation device 20 in the embodiment of the present utility model includes a volute 211 , a first valve core 2115 , a second valve core 2117 , a fan and an air filter 30 . The volute case 211 includes a volute portion 2111 , a first volute tongue portion 2112 , a second volute tongue portion 2113 , a third volute tongue portion 2114 and a fourth volute tongue portion 2116 . The first volute tongue part 2112 and the fourth volute tongue part 2116 are used for communicating with the outdoor, the second volute tongue part 2113 is used for communicating with the indoor, and the third volute tongue part 2114 is used for connecting with the vacuum device 50 . The first valve core 2115 selectively opens the second volute tongue portion 2113 and closes the third volute tongue portion 2114 or opens the third volute tongue portion 2114 and closes the second volute tongue portion 2113 . The second valve core 2117 selectively opens the first volute tongue portion 2112 and closes the fourth volute tongue portion 2116 or opens the fourth volute tongue portion 2116 and closes the first volute tongue portion 2112 . The fan is arranged in the volute 211 . The fan is used to rotate in the first direction to suck outdoor air through the first volute tongue part 2111 and enter the room through the second volute tongue part 2112 and to rotate in the second direction to suck in the filter screen through the third volute tongue part 2114 The dust is discharged to the outside through the fourth volute tongue part 2116. The air filter 30 is disposed in the second volute tongue portion 2113 for filtering the air flowing through the second volute tongue portion 2113 from outside.

The first valve core 2115 and the second valve core 2117 of the ventilating device 20 in the embodiment of the present utility model can rotate to switch the air passage, realizing the switching between different functions of the ventilating device 20 . In addition, the ventilation device 20 can not only automatically remove the dust from the wall-mounted air conditioner 100, but also purify the air flowing from the outside to the room, which meets the needs of users.

In some embodiments, the second volute tongue portion 2113 is connected to the third volute tongue portion 2114 , and the first valve core 2115 is disposed at the joint of the second volute tongue portion 2113 and the third volute tongue portion 2114 . The first valve core 2115 includes an arc plate 2115a, a rotating shaft 2115b and a connecting piece 2115c. The rotating shaft 2115b is used to drive the arc plate 2115a to rotate. The connecting piece 2115c connects the arc plate 2115a and the rotating shaft 211b.

In this way, the structure of the ventilation device 20 and the first valve core 2115 is simple, and the manufacturing cost of the ventilation device 20 is reduced.

In some embodiments, the inner wall of the third volute tongue portion 2113 is provided with a locking groove 2114a matched with the arc plate 2115a at a position corresponding to the rotation track of the arc plate 2115a. When the first spool 2115 is in the first position, one end of the circular arc plate 2115a is engaged in the slot 2114a, and the other end is attached to the intersecting section of the inner walls of the second volute tongue portion 2113 and the third volute tongue portion 2114 .

In this way, the sealing performance of the ventilation device 20 is improved when the first valve core 2115 is in the first position.

In some embodiments, the inner wall of the third volute tongue portion 2113 is provided with a locking groove 2114a matched with the arc plate 2115a at a position corresponding to the rotation track of the arc plate 2115a. When the first spool 2115 is in the first position, one end of the circular arc plate 2115a is engaged in the slot 2114a, and the other end is attached to the intersecting section of the inner walls of the second volute tongue portion 2113 and the third volute tongue portion 2114 .

In this way, the sealing performance of the ventilation device 20 is improved when the first valve core 2115 is in the second position.

In some embodiments, the volute 211 includes a first casing 211a and a second casing 211b. The first housing 211 a and the second housing 211 b are divided along a central axis perpendicular to the spiral portion 2111 . A first notch 211e is formed between the edge end surface and the inner surface of the first shell 211a, and the first notch 211e extends along the outer edge of the first shell 211a, and between the edge end surface and the outer surface of the second shell 211b A second cutout 211f is formed to cooperate with the first cutout 211e.

In this way, the airtightness after the first casing 211a and the second casing 211b are installed is improved.

The wall-mounted air conditioner 100 according to the embodiment of the utility model includes a housing 10 , the ventilation device 20 in the fifth embodiment, a filter screen 40 , a dust collection device 50 , a first hose 70 and a second hose 80 . The casing 10 includes a chassis 11 and a frame 13 . The front frame 13 is covered on the chassis 11 , and the front frame 13 is formed with an air inlet 132 . The ventilation device 20 is accommodated in the housing and installed on the chassis 11 . The first volute tongue portion 2112 is formed with an air inlet 211m. The second volute tongue portion 2113 is formed with an air outlet 211n. The third volute tongue part 2114 is formed with a suction port 211q. The fourth volute tongue portion 2116 is formed with a dust discharge port 211r. The dust suction device 50 is provided on the surface frame 13 and connected to the dust suction port 211q. The dust suction groove 50a faces the filter screen 40 and communicates with the dust suction port 211q. The first hose 70 communicates with the air inlet 211m and the outside. The second hose 80 communicates with the dust outlet 211r and the outside.

The wall-mounted air conditioner 100 of the embodiment of the utility model can not only automatically remove the dust on the filter screen 40, but also perform indoor and outdoor air exchange.

When the wall-mounted air conditioner 100 is in the vacuuming mode, the first valve core 2115 rotates to close the air outlet 211n, and the second valve core 2116 rotates to close the air inlet 211m. In this way, the dust suction port 211q communicates with the dust discharge port 211r. The blower rotates in the second direction, and the suction groove 50a forms a suction force to absorb the dust on the filter screen 40, and the dust is discharged to the outside through the second hose 80.

When the wall-mounted air conditioner 100 is in the ventilation mode, the first valve core 2115 rotates to close the dust suction port 211q, and the second valve core 2116 rotates to close the dust discharge port 211r. In this way, the air inlet 211m communicates with the air outlet 211n, the fan rotates in the first direction, the air inlet 211m sucks air from the outdoor air through the first hose 70, and flows through the air filter 30 in the second volute tongue part 2113 It flows into the room from the air outlet 211n. The wall-mounted air conditioner 100 integrates the functions of dust collection and ventilation, making the structure of the wall-mounted air conditioner 100 more compact, and can purify the air sent to the room, which is beneficial to human health.

In some embodiments, the chassis 11 is formed with a receiving groove 111 and an installation seat 112 . The receiving tank 111 is used for receiving a cross-flow fan (not shown) and a heat exchanger (not shown). The installation seat 112 is located on the left side of the receiving groove 111 and is used for installing the ventilation device 20 .

In this way, the space of the wall-mounted air conditioner 100 is saved, and the length of the body of the wall-mounted air conditioner 100 is avoided after the ventilation device 20 is installed, which affects the appearance of the wall-mounted air conditioner 100 .

In some embodiments, the dust suction device 50 includes a dust suction rack 51 . The dust collector 51 includes a supporting plate 511 , an upper panel 512 and a rear cover 513 . The upper panel 512 is installed on the support plate 511 . The rear cover 513 is connected to the support plate 511 and the rear cover 513 of the upper panel 512 . The back cover 513 is pasted on the filter screen 40 , and the dust suction groove 50 a is arranged on the length direction of the back cover 513 .

In this way, the dust suction groove 50 a is roughly strip-shaped, has a large dust suction range, can absorb the dust on the filter screen 40 and discharge it to the outside through the hose 60 .

In some embodiments, the vacuum device 20 further includes a mounting part 52 , a motor 53 , a roller 55 and a sealing strip 55 . The installation part 52 is installed on one end of the dust collector 51 and is hollow. The motor 53 is mounted outside the mounting portion 52 . The roller 55 is installed in the installation part 52 and connected with the motor 53 . The sealing strip 55 is installed in the vacuum frame 51 and connected with the roller 55 . The motor 53 drives the sealing strip 55 to move through the roller 55 to adjust the size of the opening of the dust suction slot 50a.

In this way, since the suction force of the dust suction groove 50a away from the dust suction port 211q is small, the movement of the sealing strip 55 can reduce the opening area of the dust suction groove 50a away from the dust suction port 211q, thereby increasing the distance between the dust suction groove 50a and the dust suction port 211q The suction power at the place ensures a more thorough vacuuming.

In some embodiments, a seal is provided at the connection between the dust suction device 50 and the dust suction port 211q.

In this way, it is possible to prevent air leakage from the rear of the dust suction device 50 facing the dust suction port 211q.

In some embodiments, the seal is silicone.

In the description of this specification, descriptions that refer to the terms "one embodiment", "some embodiments", "exemplary embodiments", "examples", "specific examples", or "some examples" etc. mean that the embodiments are combined Specific features, structures, materials, or characteristics described in or examples are included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications, substitutions and modifications, the scope of the present invention is defined by the claims and their equivalents.

Claims (10)

1. A ventilation device, characterized in that, comprising: A volute, the volute includes a first volute tongue, a second volute tongue, a third volute tongue and a fourth volute tongue, the first volute tongue and the fourth volute tongue are used to communicate with The second volute tongue part is used for communicating with the indoor, and the third volute tongue part is used for connecting with the dust suction device of the filter screen of the wall-mounted air conditioner; Selectively open the second volute tongue and close the third volute tongue or open the third volute tongue and close the first valve core of the second volute tongue; Selectively open the first volute tongue part and close the fourth volute tongue part or open the fourth volute tongue part and close the second valve core of the first volute tongue part; The fan arranged in the volute, the fan is used to rotate in the first direction to suck the air in the room through the first volute part and enter the room through the second volute part or to rotate in the second direction to Dust sucked into the filter screen through the third volute tongue and discharged to the outside through the fourth volute tongue; and An air filter arranged in the second volute tongue portion, the air filter is used to filter the air passing through the second volute tongue portion. 2. The ventilation device according to claim 1, wherein the second volute tongue part and the third volute tongue part are connected, and the first valve core is arranged on the second volute tongue part And the joint of the third volute tongue part, the first valve core includes a circular arc plate, a rotating shaft driving the circular arc plate to rotate, and a connecting piece connecting the rotating shaft and the circular arc plate. 3. The ventilating device according to claim 2, characterized in that, the inner wall of the third volute tongue is provided with a slot for matching with the arc plate at a position corresponding to the rotation track of the arc plate; When the arc plate is at the first position, one end of the arc plate is inserted into the slot, and the other end is attached to the intersecting section of the inner wall of the third volute tongue and the second volute tongue. combine. 4. The ventilation device according to claim 2, characterized in that, the inner wall of the second volute tongue part is provided with a rib that is attached to the arc plate at a position corresponding to the rotation track of the arc plate , when the circular arc plate is in the second position, one end of the circular arc plate engages with the rib plate, and the other end of the circular arc plate engages with the intersecting section of the inner wall of the third volute tongue and the second volute tongue fit. 5. A wall-mounted air conditioner, characterized in that it comprises: housing, the housing includes: chassis; and A face frame covering the chassis, the face frame is formed with an air inlet; a filter screen arranged on the surface frame and closing the air inlet; The ventilation device according to any one of claims 1-4 housed in the housing and installed on the chassis; The first volute tongue part is formed with an air inlet; the second volute tongue part is formed with an air outlet; the third volute tongue part is formed with a dust suction port; the fourth volute tongue part is formed with a dust discharge port ; A dust suction device arranged on the surface frame and connected to the dust suction port, the dust suction device forms a dust suction groove facing the filter screen and communicating with the dust suction port; a first hose, the first hose communicates with the air inlet and the outside; and A second hose, the second hose communicates with the dust outlet and the outside. 6. The wall-mounted air conditioner according to claim 5, wherein the chassis is formed with a storage tank for accommodating a cross-flow fan and a heat exchanger, and is located on the left side of the storage tank for installing the heat exchanger. Air fitting mount. 7. The wall-mounted air conditioner according to claim 5, wherein the dust suction device comprises a dust suction rack, and the dust suction rack includes a support plate, an upper panel mounted on the support plate and a connection The support plate and the back cover of the upper panel; the back cover is attached to the filter net, and the dust suction groove is arranged in the length direction of the back cover. 8. The wall-mounted air conditioner according to claim 7, wherein the dust suction device further comprises a hollow installation part installed at one end of the dust suction frame; a motor mounted outside the mounting portion; a roller installed in the mounting portion and connected to the motor; and A sealing strip installed in the dust suction rack and connected to the roller; The motor drives the sealing strip to move through the roller to adjust the size of the opening of the dust suction slot. 9 . The wall-mounted air conditioner according to claim 8 , wherein a seal is provided at the connection between the dust suction device and the dust suction port. 10. The wall-mounted air conditioner according to claim 9, wherein the sealing member is made of silica gel.