Volute assembly and air conditioner

Abstract

The utility model relates to the technical field of air conditioners, and discloses a volute assembly and an air conditioner. The volute assembly comprises a volute, an impeller cavity and an air outlet cavity which communicate with each other are defined in the volute, an air outlet is formed in the air outlet cavity, and a sliding part is constructed on the side wall in the length direction of the air outlet cavity; the volute tongue is arranged in the air outlet cavity, a sliding fit part is constructed at the end of the volute tongue in the length direction, and the sliding fit part is in sliding connection with the sliding part; the sliding part extends in the height direction of the air outlet cavity, so that the volute tongue can move in the height direction of the air outlet cavity, and the position of the volute tongue in the air outlet cavity is adjusted. In this way, no extra part needs to be arranged to adjust the air outlet area, the air outlet area can be adjusted through the volute tongue, the volute tongue and the volute are connected through the sliding part and the sliding fit part, the structure is simple and easy to achieve, the cost of the fan is reduced, the function of the fan is increased, and the use diversity of the fan is improved.

Description

Technical Field

[0001] This application relates to the field of air conditioning technology, for example to a volute assembly and an air conditioner. Background Technology

[0002] Currently, the volute is a key component in fluid machinery such as fans, and its main function is to guide airflow and improve the efficiency and performance of the fan. Traditional volute assemblies typically consist of a volute and a volute tongue, with the volute tongue generally being a fixed structure.

[0003] A related technology discloses an adjustable volute device, comprising: a volute, a channel through which fluid flows, wherein the fluid velocity decreases and the pressure increases along the direction of the volute during flow; and a tongue, used to adjust the flow area of ​​the volute, one end of which is straight and the other end is cylindrical. A straight guide groove matching the tongue is provided on the volute at a position corresponding to the tongue, the straight end of the tongue being positioned within the straight guide groove, and the other end of the tongue being cylindrical. The cylindrical end of the tongue extends out of the volute and is provided with a transmission thread, the motion being transmitted through a transmission screw and threaded connection, and the tongue being moved linearly along the straight guide groove under the action of a handwheel.

[0004] In the process of implementing the embodiments of this disclosure, at least the following problems were found in the related art:

[0005] In related technologies, the drive mechanism for the movement of the tongue is complex and occupies a lot of space, resulting in a large fan size, which in turn increases the manufacturing cost of the fan and makes installation inconvenient.

[0006] It should be noted that the information disclosed in the background section above is only used to enhance the understanding of the background of this application, and therefore may include information that does not constitute prior art known to those skilled in the art. Utility Model Content

[0007] To provide a basic understanding of some aspects of the disclosed embodiments, a brief summary is given below. This summary is not intended as a general commentary, nor is it intended to identify key / important components or describe the scope of protection of these embodiments, but rather as a prelude to the detailed description that follows.

[0008] This disclosure provides a volute assembly and an air conditioner to reduce the cost of the fan, improve installation convenience, and make the fan's air outlet area adjustable.

[0009] This disclosure provides a volute assembly, comprising: a volute, which internally defines a communicating impeller cavity and an air outlet cavity, the air outlet cavity having an air outlet, and a sliding portion formed on the side wall along the length direction of the air outlet cavity; and a volute tongue disposed in the air outlet cavity, the end of the volute tongue along the length direction having a sliding engagement portion, the sliding engagement portion being slidably connected to the sliding portion; wherein, the sliding portion extends along the height direction of the air outlet cavity, so that the volute tongue can move along the height direction of the air outlet cavity and adjust the position of the volute tongue in the air outlet cavity.

[0010] Optionally, the volute can move in an initial position and an adjusted position. When the volute is in the initial position, the upper wall of the volute is in contact with the upper wall of the air outlet cavity; when the volute is in the adjusted position, there is a gap between the upper wall of the volute and the upper wall of the air outlet cavity.

[0011] Optionally, the volute includes: an upper volute; and a lower volute, including a body and an air outlet connected to each other. The body is located below the upper volute, and the body and the upper volute enclose an impeller cavity. The air outlet has an air outlet chamber and an air outlet. The upper part of the air outlet chamber has an opening located behind the air outlet. The front end of the upper volute is spaced behind the air outlet. The front end of the upper volute and the rear end of the upper sidewall of the air outlet enclose an installation space, and the volute tongue moves within the installation space.

[0012] Optionally, the volute includes: a moving section, which is movably disposed within the installation space along the height direction of the air outlet cavity, the moving section having a volute protrusion facing into the air outlet cavity; and an adjusting section, located within the air outlet cavity, one end of the adjusting section being connected to one end of the moving section; wherein, when the volute is in the initial position, the upper wall surface of the adjusting section is in contact with the upper wall surface of the air outlet cavity; when the volute is in the adjusting position, there is a gap between the upper wall surface of the adjusting section and the upper wall surface of the air outlet cavity.

[0013] Optionally, the adjustment section is matched with the upper wall of the air outlet cavity.

[0014] Optionally, the rear wall of the volute tongue abuts against the front sidewall of the upper volute. The rear wall of the volute tongue is constructed with multiple first protrusions, and the front sidewall of the upper volute is constructed with multiple second protrusions. The second protrusions are adapted to the first protrusions, and the multiple first protrusions and multiple second protrusions can be interlocked to form a nested structure. When the volute tongue moves from the adjustment position to the initial position, the multiple first protrusions and multiple second protrusions move towards each other to form a nested structure. When the volute tongue moves from the initial position to the adjustment position, the multiple first protrusions and multiple second protrusions move away from each other.

[0015] Optionally, the sidewall of the air outlet cavity along its length has a stop portion that protrudes toward the air outlet cavity. The adjustable position includes an extreme position. When the volute tongue moves to the extreme position, the sliding fit portion abuts against the stop portion to restrict the volute tongue from moving away from the initial position.

[0016] Optionally, one of the sliding part and the sliding mating part includes a sliding protrusion, and the other of the sliding part and the sliding mating part includes a sliding groove, both of which extend along the height direction of the air outlet cavity.

[0017] Optionally, the sliding engagement part is constructed with a rack, and the volute assembly further includes: a gear, meshing with the rack; a drive mechanism, drivingly connected to the gear; wherein the rack extends along the height direction of the air outlet cavity, and the drive mechanism drives the volute tongue to move along the height direction of the air outlet cavity through the gear and the rack; and / or, both sidewalls in the length direction of the air outlet cavity are constructed with sliding parts, and the number of sliding engagement parts corresponds to the number of sliding parts.

[0018] This disclosure also provides an air conditioner, which includes a volute assembly as described in any of the above embodiments.

[0019] The volute assembly and air conditioner provided in this disclosure can achieve the following technical effects:

[0020] In this embodiment, a sliding part is provided on the side wall along the length of the air outlet cavity. The sliding engagement part of the volute tongue is slidably engaged with the sliding part, which extends along the height direction of the air outlet cavity. This allows the volute tongue to move along the height direction of the air outlet cavity, thus adjusting its position within the air outlet cavity. The volute tongue can not only cooperate with the volute casing for air outlet but also adjust the ventilation area of ​​the air outlet cavity, thereby adjusting the air volume of the fan. This eliminates the need for additional components to adjust the air outlet area; the air outlet area can be adjusted using only the volute tongue. Furthermore, the connection between the volute tongue and the volute casing via the sliding part and sliding engagement part is simple, easy to implement, reduces the cost of the fan, increases its functionality, and enhances its versatility.

[0021] The above general description and the description below are exemplary and illustrative only and are not intended to limit this application. Attached Figure Description

[0022] One or more embodiments are illustrated by way of example with reference to the accompanying drawings. These illustrations and drawings do not constitute a limitation on the embodiments. Elements having the same reference numerals in the drawings are shown as similar elements. The drawings are not to be scaled. And wherein:

[0023] Figure 1 This is a partial structural schematic diagram of an air conditioner provided in an embodiment of this disclosure;

[0024] Figure 2 This is a partial structural schematic diagram of another air conditioner provided in an embodiment of this disclosure;

[0025] Figure 3 This is a schematic diagram of the structure of a wind turbine from one perspective, provided in an embodiment of this disclosure;

[0026] Figure 4 This is a cross-sectional structural diagram of a fan provided in an embodiment of this disclosure;

[0027] Figure 5 yes Figure 4 A magnified structural diagram of part A in the middle;

[0028] Figure 6 This is a cross-sectional structural schematic diagram of another fan provided in an embodiment of this disclosure;

[0029] Figure 7 yes Figure 6 A magnified structural diagram of part B in the middle section;

[0030] Figure 8 This is a partial structural schematic diagram of another fan provided in an embodiment of this disclosure;

[0031] Figure 9 This is a schematic diagram of the cooperation structure between the volute tongue and the drive mechanism provided in an embodiment of this disclosure;

[0032] Figure 10 This is a schematic diagram of the structure of a cochlear tongue from one perspective, provided in an embodiment of this disclosure;

[0033] Figure 11 This is a cross-sectional structural schematic diagram of another fan provided in an embodiment of this disclosure;

[0034] Figure 12 This is a schematic diagram of the structure of another wind turbine provided in this embodiment of the present disclosure from one perspective;

[0035] Figure 13 This is a structural schematic diagram of another wind turbine provided in an embodiment of this disclosure from another perspective;

[0036] Figure 14 This disclosure provides a schematic diagram of the upper volute structure.

[0037] Figure 15 This is a structural schematic diagram of another wind turbine provided in an embodiment of this disclosure from another perspective;

[0038] Figure 16 This is a structural schematic diagram of another wind turbine provided in the embodiments of this disclosure from yet another perspective;

[0039] Figure 17 This is a partial structural schematic diagram of another fan provided in an embodiment of this disclosure;

[0040] Figure 18 This is a cross-sectional structural schematic diagram of another fan provided in an embodiment of this disclosure;

[0041] Figure 19 yes Figure 18A magnified structural diagram of section C;

[0042] Figure 20 yes Figure 18 A magnified structural diagram of part D in the middle.

[0043] Figure label:

[0044] 10. Volute; 101. Impeller cavity; 102. Air inlet; 103. Air outlet; 104. Upper volute; 1041. Second protrusion; 105. Lower volute; 1051. Air outlet; 1052. Body; 106. Air outlet cavity; 1061. Upper wall of the air outlet cavity; 1062. Lower wall of the air outlet cavity; 107. Opening; 1071. Installation space; 108. Sliding part; 1081. Stop part; 20. Volute tongue; 201. Sliding fit part; 2011. Rack; 202. Gear; 203. Drive mechanism; 204. Moving section; 205. Adjustment section; 206. Volute tongue protrusion; 207. First protrusion; 208. Baffle; 209. Reinforcing rib; 30. Adjustment mechanism; 301. Adjustment ring; 3011. Rack section; 302. Sliding hole; 304. Adjustment baffle; 305. Sliding column; 306. Slide groove; 307. Protrusion; 308. Transmission gear; 309. Drive motor; 40. Housing; 401. Fan; 4011. First fan; 4012. Second fan; 4013. Impeller; 402. Heat exchanger; 403. Heat exchange outlet; 404. Motor. Detailed Implementation

[0045] To provide a more detailed understanding of the features and technical content of the embodiments of this disclosure, the implementation of the embodiments of this disclosure will be described in detail below with reference to the accompanying drawings. The accompanying drawings are for illustrative purposes only and are not intended to limit the embodiments of this disclosure. In the following technical description, for ease of explanation, several details are used to provide a full understanding of the disclosed embodiments. However, one or more embodiments may still be implemented without these details. In other cases, well-known structures and devices may be simplified in their depiction to simplify the drawings.

[0046] The terms "first," "second," etc., used in the specification, claims, and accompanying drawings of this disclosure are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate for describing embodiments of this disclosure herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion.

[0047] In this disclosure, the terms "upper," "lower," "inner," "middle," "outer," "front," and "rear," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for better description of the embodiments of this disclosure and their implementations, and are not intended to limit the indicated devices, elements, or components to having a specific orientation, or to require them to be constructed and operated in a specific orientation. Furthermore, some of the aforementioned terms may be used to indicate other meanings besides orientation or positional relationship; for example, the term "upper" may in some cases indicate a dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in the embodiments of this disclosure according to the specific circumstances.

[0048] Furthermore, the terms "set up," "connect," and "fix" should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this disclosure according to the specific circumstances.

[0049] Unless otherwise stated, the term "multiple" means two or more.

[0050] The term "and / or" describes an association between objects, indicating that three relationships can exist. For example, A and / or B means: A or B, or A and B.

[0051] It should be noted that, unless otherwise specified, the embodiments and features described in the present disclosure can be combined with each other.

[0052] For ease of description, the wind turbine's up, down, left, right, front, and back directions are as follows: Figure 3 As shown, the length direction of the air outlet and air outlet cavity refers to the left-right direction, and the height direction refers to the up-down direction.

[0053] Combination Figures 1 to 20 As shown in the figure, this embodiment of the present disclosure provides an air conditioner, which includes a housing 40, a heat exchanger 402 and a fan 401. The heat exchanger 402 and the fan 401 are located inside the housing 40. The housing 40 has a heat exchange air inlet and a heat exchange air outlet 403. The fan 401 can drive airflow to enter the housing 40 from the heat exchange air inlet and exchange heat with the heat exchanger 402, and then flow out from the heat exchange air outlet 403, thus realizing the temperature regulation function of the air conditioner.

[0054] This disclosure provides a fan 401, which includes a volute assembly and an impeller 4013. The volute assembly includes a volute 10, which defines an impeller cavity 101 having an air inlet 102 and an air outlet 103. The impeller 4013 rotates within the impeller cavity 101. The volute 10 also defines an air outlet cavity 106, which has an air outlet 103. The impeller cavity 101 communicates with the air outlet 103 through the air outlet cavity 106.

[0055] This disclosure provides a volute assembly, such as... Figures 1 to 15 As shown, the volute assembly includes a volute 10 and a volute tongue 20, as... Figure 6 and Figure 7 As shown, the sidewall of the air outlet cavity 106 along its length has a sliding portion 108; the volute tongue 20 is disposed in the air outlet cavity 106, and the end of the volute tongue 20 along its length has a sliding engagement portion 201, which is slidably connected to the sliding portion 108; wherein, the sliding portion 108 extends along the height direction of the air outlet cavity 106 so that the volute tongue 20 can move along the height direction of the air outlet cavity 106 and adjust the position of the volute tongue 20 in the air outlet cavity 106.

[0056] In this embodiment, a sliding portion 108 is provided on the longitudinal sidewall of the air outlet cavity 106, and a sliding engagement portion 201 is provided on the volute tongue 20 corresponding to the sliding portion 108. Thus, the volute tongue 20 can move along the height direction of the air outlet cavity 106 via the sliding portion 108 and the sliding engagement portion 201, thereby adjusting the position of the volute tongue 20 in the air outlet cavity 106. This allows the volute tongue 20 to adjust the ventilation area of ​​the air outlet 103, and consequently, the air outlet area of ​​the air outlet 103. Because the volute tongue 20 is movable, it can both cooperate with the volute housing 10 to discharge air and move to adjust the airflow. Furthermore, the sliding portion 108 and the sliding engagement portion 201 eliminate the need for additional components and a complex drive mechanism 203, reducing structural complexity and the cost of the fan 401. This increases the functionality of the fan 401 and improves its versatility.

[0057] Optionally, both sidewalls along the length of the air outlet cavity are provided with sliding portions, and the sliding mating portions correspond to the sliding portions. That is, sliding mating portions are provided at both ends along the length of the volute tongue. This makes the movement of the volute tongue more stable.

[0058] Optionally, the volute tongue 20 can move between an initial position and an adjusted position. When the volute tongue 20 is in the initial position, such as... Figure 3 and Figure 4 As shown, the upper wall of the volute tongue 20 is abutted (fitted or close to) the upper wall 1061 of the air outlet cavity; as Figures 11 to 13 As shown, when the volute tongue 20 is in the adjustment position, there is a gap between the upper wall surface of the volute tongue 20 and the upper wall surface 1061 of the air outlet cavity.

[0059] In this embodiment, when the volute tongue 20 is in the initial position, it is close to the upper wall surface 1061 of the air outlet cavity, and the distance between the volute tongue 20 and the lower wall surface 1062 of the air outlet cavity is at its maximum, thus maximizing the airflow from the air outlet 103. When the volute tongue 20 is in the adjusted position, there is a gap between the upper wall surface of the volute tongue 20 and the upper wall surface 1061 of the air outlet cavity, reducing the distance between the volute tongue 20 and the lower wall surface 1062 of the air outlet cavity, thereby reducing the airflow.

[0060] Optionally, the volute 10 includes an upper volute 104 and a lower volute 105, such as... Figure 8 As shown, the lower volute 105 includes a body 1052 and an air outlet 1051 connected to each other. The body 1052 is located below the upper volute 104. The body 1052 and the upper volute 104 enclose an impeller cavity 101. The air outlet 1051 is provided with an air outlet chamber 106 and an air outlet 103. An opening 107 is provided at the upper part of the air outlet chamber 106. The opening 107 is located behind the air outlet 103. The front end of the upper volute 104 is located at a distance from the rear of the air outlet 1051. That is, the front end of the upper volute 104 is located on the side of the opening 107 away from the air outlet 103. The front end of the upper volute 104 and the rear end of the upper sidewall of the air outlet 1051 enclose an installation space 1071. The volute tongue 20 is movably located within the installation space 1071.

[0061] In this embodiment, the lower volute 105 and the upper volute 104 enclose an impeller cavity 101 for housing the impeller 4013. The lower volute 105 has a separate air outlet cavity 106 and an air outlet 103. Thus, when the upper volute 104 and the lower volute 105 are detachable structures, the air outlet 103 and the air outlet cavity 106 are an integral structure, requiring no splicing, ensuring the air outlet sealing of the air outlet 103 and the air outlet cavity 106. It also facilitates the connection between the upper volute 104 and the lower volute 105. The upper part of the air outlet cavity 106 has an opening 107, where the volute tongue 20 is located. The volute tongue 20 has an installation space 1071 and a movement space, facilitating its adjustment and fixation.

[0062] Optionally, such as Figure 9 and Figure 10As shown, the volute tongue 20 includes a moving section 204 and an adjusting section 205. The moving section 204 is movably disposed within the installation space 1071 along the height direction of the air outlet cavity 106. The moving section 204 is constructed with a volute tongue protrusion 206, which protrudes towards the air outlet cavity 106 and into the air outlet cavity 106. The adjusting section 205 is located within the air outlet cavity 106, and one end of the adjusting section 205 is connected to one end of the moving section 204. When the volute tongue 20 is in the initial position, the upper wall surface of the adjusting section 205 is in contact with the upper wall surface 1061 of the air outlet cavity. When the volute tongue 20 is in the adjusted position, there is a gap between the upper wall surface of the adjusting section 205 and the upper wall surface 1061 of the air outlet cavity.

[0063] In this embodiment, the moving section 204 of the volute tongue 20 is disposed within the installation space 1071, used to block the opening 107 and also to drive the fan. Furthermore, the volute tongue protrusion 206 of the moving section 204 can cooperate with the volute housing 10 to achieve airflow from the fan 401. The adjusting section 205 adjusts the distance between itself and the upper wall surface 1061 of the air outlet cavity, and also adjusts the distance between itself and the lower wall surface 1062 of the air outlet cavity, thus allowing adjustment of the airflow area and the airflow volume from the air outlet 103.

[0064] Optionally, the adjusting section 205 is matched with the upper wall surface 1061 of the air outlet cavity.

[0065] In this embodiment of the disclosure, the matching of the adjustment section 205 with the upper wall surface 1061 of the air outlet cavity means that the shape, length and width of the adjustment section 205 are the same as or similar to the upper wall surface 1061 of the air outlet cavity. In this way, the adjustment section 205 can serve as the upper wall surface of the air outlet channel, improve the uniformity of air outlet and avoid air leakage.

[0066] Optionally, such as Figure 14 and Figure 15 As shown, the rear wall of the volute tongue 20 abuts against the front sidewall of the upper volute 104. The rear wall of the volute tongue 20 has multiple first protrusions 207, and the front sidewall of the upper volute 104 has multiple second protrusions 1041. The second protrusions 1041 are adapted to the first protrusions 207. The multiple first protrusions 207 and the multiple second protrusions 1041 can be interlocked and form a nested structure. When the volute tongue 20 moves from the adjusted position to the initial position, the multiple first protrusions 207 and the multiple second protrusions 1041 move towards each other to form a nested structure. When the volute tongue 20 moves from the initial position to the adjusted position, the multiple first protrusions 207 and the multiple second protrusions 1041 move away from each other.

[0067] In this embodiment, the first protrusion 207 and the second protrusion 1041 ensure that the volute tongue 20 maintains a certain degree of sealing with the upper volute 104 during movement, and that the upper volute 104 and the rear wall of the volute tongue 20 form a complete inner wall when the volute tongue 20 is in its initial position. When the volute tongue 20 moves toward the adjustment position, the rear wall of the volute tongue 20 remains in contact with the upper volute 104, thereby ensuring the sealing of the inner wall of the volute 10 and its air supply performance.

[0068] Optionally, the posterior wall of the spiracle rests against the anterior side of the anterior sidewall of the upper spiracle 104.

[0069] Optionally, a plurality of first protrusions 207 are spaced apart along the length of the rear wall of the volute tongue 20, and a plurality of second protrusions 1041 are spaced apart sequentially along the length of the upper volute 104. The number of first protrusions 207 and second protrusions 1041 are the same and they correspond one-to-one. This can increase the mating area between the upper volute 104 and the volute tongue 20 and improve the sealing effect.

[0070] Optionally, such as Figure 4 As shown, the side wall of the air outlet cavity 106 along its length has a stop portion 1081. The stop portion 1081 protrudes toward the air outlet cavity 106 and has an adjustable position including an extreme position. When the volute tongue 20 moves to the extreme position, the sliding engagement portion 201 abuts against the stop portion 1081 to restrict the volute tongue 20 from moving away from the initial position.

[0071] In this embodiment, when the volute tongue 20 moves upward, it abuts against the upper wall surface 1061 of the air outlet cavity, thus restricting its continued upward movement. When the volute tongue 20 moves downward, it cannot continue downward movement when the sliding engagement part 201 abuts against the stop part 1081. Therefore, the downward movement of the volute tongue 20 is stopped by the stop part 1081, and the upward movement is stopped by the upper wall surface 1061 of the air outlet cavity. This limits the vertical movement of the volute tongue 20, preventing it from over-moving and causing air leakage in the volute housing 10.

[0072] Optionally, the volute tongue 20 also includes a baffle 208, which is disposed on the upper wall of the volute tongue 20 and extends upward; wherein the baffle 208 is movably located on the rear side of the rear end of the air outlet 1051.

[0073] In this embodiment, the baffle 208 moves with the volute tongue 20 and is located on the rear side of the air outlet 1051. In this way, the baffle 208 can further block the connection between the volute tongue 20 and the air outlet 1051 to prevent air leakage.

[0074] Optionally, the volute tongue 20 also includes reinforcing ribs 209, which are connected between the rear sidewall of the volute tongue 20 and the baffle 208, thereby increasing the strength of the volute tongue 20. Multiple reinforcing ribs 209 are provided, spaced apart sequentially along the length of the volute tongue 20.

[0075] Optionally, one of the sliding portion 108 and the sliding mating portion 201 includes a sliding protrusion, and the other of the sliding portion 108 and the sliding mating portion 201 includes a sliding groove. Both the sliding protrusion and the sliding groove extend along the height direction of the air outlet cavity 106.

[0076] In this embodiment, the sliding part 108 and the sliding mating part 201 are a sliding protrusion and a sliding groove. This structure is simple and easy to process. The sliding mating structure of the sliding groove and the sliding protrusion has reliable movement and does not require adding more parts. It will not occupy the space of the volute tongue 20 and the volute 10, thus avoiding affecting the air volume of the fan 401.

[0077] Optionally, such as Figure 7 and Figure 10 As shown, the side wall of the air outlet cavity 106 along its length is provided with a sliding protrusion, and the end of the volute tongue 20 along its length is provided with a sliding groove.

[0078] Optionally, the sliding part 108 corresponds to the opening 107, that is, the sliding part 108 corresponds to the installation space 1071, so that the moving section 204 of the volute tongue 20 moves first, and then drives the adjusting section 205 to move.

[0079] Optionally, such as Figures 5 to 7 , Figure 10 and Figure 11 As shown, the sliding fit part 201 is constructed with a rack 2011, and the volute assembly also includes a gear 202 and a drive mechanism 203. The gear 202 is meshed with the rack 2011; the drive mechanism 203 is driven by the gear 202; wherein, the rack 2011 extends along the height direction of the air outlet cavity 106, and the drive mechanism 203 drives the volute tongue 20 to move along the height direction of the air outlet cavity 106 through the gear 202 and the rack 2011.

[0080] In this embodiment, the volute tongue 20 achieves a sliding connection through the meshing structure of gear 202 and rack 2011. This structure is simple, and the meshing transmission of gear 202 and rack 2011 has stable transmission characteristics, maintaining smooth movement over a wide speed range. Even under high load or high speed, the stability and reliability of the transmission are guaranteed, reducing vibration and impact. Furthermore, the meshing transmission of gear 202 and rack 2011 provides a precise transmission ratio, ensuring very precise control of the volute tongue 20's movement speed and position, thus enabling precise adjustment of the airflow from the outlet 103.

[0081] Optionally, sliding portions 108 are provided at both ends of the air outlet cavity 106 along its length, and sliding mating portions 201 are provided at both ends of the volute tongue 20 along its length. This ensures that the movement of the volute tongue 20 along its length is synchronized, improving adjustment accuracy. Here, there are two drive mechanisms 203 and gears, and each sliding mating portion and sliding portion is equipped with a drive mechanism and a gear.

[0082] Optionally, the drive mechanism is located in the lower volute to fix the drive mechanism.

[0083] Optionally, the drive mechanism can be a motor or electric motor, etc.

[0084] Optionally, such as Figures 16 to 20 As shown, the fan 401 also includes an adjustment mechanism 30, which is located at the air inlet 102. The adjustment mechanism 30 includes multiple adjustment baffles 304 and an adjustment ring 301. The adjustment baffles 304 are movably connected to the volute 10. The multiple adjustment baffles 304 are arranged circumferentially around the outer edge of the air inlet 102. The adjustment ring 301 has a sliding hole 302, and the adjustment baffles 304 slide within the sliding hole 302. The sliding hole 302 is inclined along the circumferential direction of the air inlet 102. When the adjustment baffles 304 slide along the sliding hole 302, the multiple adjustment baffles 304 reciprocate radially along the air inlet 102 to adjust the ventilation area of ​​the air inlet 102.

[0085] In this embodiment, the air inlet 102 has its ventilation area adjusted by the adjustment mechanism 30, thereby adjusting the air intake area. The adjustment ring 301 is slidably connected to the adjustment baffle 304. While sliding along the sliding hole 302, the adjustment baffle 304 reciprocates radially along the air inlet 102. When the adjustment baffle 304 moves towards the center of the air inlet 102, the ventilation area of ​​the air inlet 102 decreases, thus reducing the air intake volume. When the adjustment baffle 304 moves away from the center of the air inlet 102, the ventilation area of ​​the air inlet 102 increases, thus increasing the air intake volume. This slidable connection between the adjustment baffle 304 and the sliding hole 302 allows for continuous adjustment of the ventilation area of ​​the air inlet 102, providing a wider adjustment range to adapt to different airflow requirements. By adjusting the baffle 304 to slide precisely within the sliding hole 302, the ventilation area of ​​the air inlet 102 can be finely adjusted, thereby achieving precise control of the air intake volume and meeting the precise adjustment requirements of the fan 401 under different operating conditions. Furthermore, the combination of the adjusting baffle 304 and the adjusting ring 301 results in a relatively simple structure without complex mechanical transmission components, reducing potential failure points, improving system reliability and stability, and simultaneously lowering manufacturing and maintenance costs.

[0086] Optionally, such as Figure 16 and Figure 17As shown, the adjusting baffle 304 is provided with a sliding post 305, which slides within the sliding hole 302. The sliding hole 302 includes a first end and a second end. The distance between the first end and the center of the air inlet 102 is greater than the distance between the second end and the center of the air inlet 102. The sliding post 305 can move between the first end and the second end. When the sliding post 305 moves to the first end, the ventilation area of ​​the air inlet 102 is the first area. When the sliding post 305 moves to the second end, the ventilation area of ​​the air inlet 102 is the second area. The first area is greater than the second area.

[0087] In this embodiment, the adjusting baffle 304 is slidably positioned within the sliding hole 302 via the sliding post 305. The first end of the sliding hole 302 is relatively far from the center of the air inlet 102, while the second end is relatively far from the center of the air inlet 102. Thus, when the sliding post 305 moves to the first end, the adjusting baffle 304 connected to the sliding post 305 is relatively far from the center of the air inlet 102, resulting in a larger ventilation area for the air inlet 102. When the sliding post 305 moves to the second end, the adjusting baffle 304 connected to the sliding post 305 is relatively far from the center of the air inlet 102, thereby reducing the ventilation area of ​​the air inlet 102.

[0088] Optionally, the sliding hole 302 is arc-shaped. When the sliding column 305 moves from the first end to the second end, the sliding column 305 drives the adjusting baffle 304 to move towards the center of the air inlet 102. When the sliding column 305 moves from the second end to the first end, the sliding column 305 drives the adjusting baffle 304 to move away from the center of the air inlet 102.

[0089] In this embodiment, the sliding hole 302 is arc-shaped, and when the sliding column 305 slides within the sliding hole 302, the sliding column 305 can drive the adjusting baffle 304 to move continuously. This makes the change in the ventilation area of ​​the air inlet 102 continuous, which can achieve precise adjustment of the area of ​​the air inlet 102, avoid sudden changes in air volume, reduce noise, and improve the user experience.

[0090] Optionally, the adjusting baffle 304 is slidably connected to the volute 10.

[0091] In this embodiment, the adjusting baffle 304 reciprocates radially along the air inlet 102 under the drive of the sliding column 305. The adjusting baffle 304 is slidably connected to the volute 10. This not only ensures the connection between the adjusting baffle 304 and the volute 10 and the connection stability of the adjusting baffle 304, but also reduces the resistance of the movement of the adjusting baffle 304, thereby reducing energy consumption.

[0092] Optionally, one of the adjusting baffle 304 and the volute 10 is provided with a groove 306, and the other of the adjusting baffle 304 and the volute 10 is provided with a protrusion 307. The protrusion 307 and the groove 306 are located on the circumferential outer side of the air inlet 102 and extend radially along the air inlet 102. The protrusion 307 slides within the groove 306.

[0093] In this embodiment, the adjusting baffle 304 and the volute 10 are slidably connected via a groove 306 and a protrusion 307. The structure of the groove and protrusion 307 is relatively simple and easy to design and manufacture. It does not require complex processing techniques or high-precision assembly, reducing production costs and manufacturing difficulty. Moreover, the groove 306 and protrusion 307 provide a clear guide path for the adjusting baffle 304, ensuring a smooth and accurate sliding process. This guiding effect effectively prevents the adjusting baffle 304 from shifting or jamming during movement, improving the operational stability of the system.

[0094] Optionally, at least part of the adjusting baffle 304 is in contact with the volute 10.

[0095] In this embodiment, at least a portion of the adjusting baffle 304 is in contact with the volute 10, so that there is always a part of the adjusting baffle 304 in contact with the volute 10. This can prevent the adjusting baffle 304 and the volute 10 from forming an airflow channel, improve the sealing between the adjusting baffle 304 and the volute 10, and ensure that the airflow of the air inlet 102 can only enter from the side of the adjusting baffle 304 toward the center of the air inlet 102, thereby effectively regulating the air intake of the air inlet 102 and reducing the air intake of the volute 10.

[0096] Optionally, the adjusting baffle 304 is aligned with the wall surface of the volute 10 facing the air inlet 102 in the depth direction of the air inlet 102. Here, the depth direction of the air inlet 102 refers to the air intake direction of the air inlet.

[0097] In this embodiment of the disclosure, the matching of the adjusting baffle 304 with the wall surface of the volute 10 facing the air inlet 102 in the depth direction of the air inlet 102 means that the extension shape and extension length of the adjusting baffle 304 along the depth of the air inlet 102 are the same as or similar to the size and length of the wall surface of the volute 10 facing the air inlet 102. This can increase the mating area between the adjusting baffle 304 and the volute 10, thereby improving the air conditioning effect.

[0098] Optionally, there are multiple adjusting baffles 304. Multiple adjusting baffles 304 are arranged sequentially along the circumference of the air inlet 102 on the wall of the volute 10 facing the air inlet 102. In this way, multiple adjusting baffles 304 can adjust the ventilation area from the circumference of the air inlet 102, thereby adjusting the air intake volume, so that the air intake of the fan 401 is more uniform.

[0099] Optionally, multiple adjusting baffles 304 are arranged at circumferential intervals along the air inlet 102.

[0100] Optionally, such as Figure 17 As shown, the adjusting ring 301 is annular, and the fan 401 also includes a driving device. The driving device is driven to the adjusting ring 301 and is used to drive the adjusting ring 301 to move circumferentially along the air inlet 102, so as to drive the adjusting ring 301 to reciprocate radially along the air inlet 102.

[0101] In this embodiment, the adjusting ring 301 is annular, so it does not affect the air intake of the fan 401. Furthermore, the adjusting ring 301 is driven by a driving device, allowing it to move circumferentially along the air inlet 102. This causes the sliding hole 302 to apply force to the sliding post 305. Since the sliding post 305 and the adjusting baffle 304 are fixed in the circumferential position of the air inlet 102, and the sliding hole 302 is inclined, the sliding post 305 moves radially along the air inlet 102 under the action of the sliding hole 302. This achieves the radial reciprocating motion of the adjusting baffle 304.

[0102] Optionally, the outer peripheral wall of the adjusting ring 301 is provided with a rack portion 3011, and the driving device includes a transmission gear 308 and a drive motor 309. The transmission gear 308 meshes with the rack portion 3011; the drive motor 309 is drivenly connected to the transmission gear 308, and the drive motor 309 drives the adjusting ring 301 to move through the transmission gear 308 and the rack portion 3011, so that the adjusting ring 301 drives the adjusting baffle 304 to move.

[0103] In this embodiment, the adjusting ring 301 meshes with the drive device via the transmission gear 308 and the rack portion 3011. This ensures stable transmission characteristics for both the adjusting ring 301 and the drive device, enabling smooth movement over a wide speed range. Even under high load or high speed conditions, transmission stability and reliability are guaranteed, reducing vibration and impact. Furthermore, the meshing transmission of the transmission gear 308 and the rack portion 3011 provides a precise transmission ratio, ensuring highly accurate control of the adjusting ring 301's speed and position, thus enabling precise adjustment of the air intake volume of the air inlet 102.

[0104] Optionally, air inlets 102 are provided at both opposite ends of the volute 10, and each air inlet 102 is provided with an adjustment mechanism 30.

[0105] In this embodiment of the disclosure, when both ends of the volute 10 are provided with air inlets 102, each air inlet 102 is provided with an adjustment mechanism 30, so that the air intake volume of the two air inlets 102 at both ends of the volute 10 can be adjusted. The air intake volume of the two air inlets 102 can be the same or different, which further improves the adjustment of the air intake volume of the fan 401, thereby improving the versatility of the air conditioner.

[0106] This disclosure also provides an air conditioner, which includes a volute assembly as described in any of the above embodiments.

[0107] The air conditioner provided in this disclosure includes the volute assembly of any of the above embodiments, and therefore has the beneficial effects of the volute assembly of any of the above embodiments, which will not be repeated here.

[0108] Optionally, fan 401 is a centrifugal fan.

[0109] Alternatively, the air conditioner can be a ducted unit, a cabinet unit, a wall-mounted unit, etc. Any type of air conditioner that can use a centrifugal fan is an optional embodiment of this application.

[0110] Optionally, when the air conditioner is a ducted unit, the ducted unit includes a housing, a heat exchanger, and a fan. The housing has a heat exchange inlet and a heat exchange outlet. The heat exchanger and the fan are arranged sequentially inside the housing along the airflow direction. The fan can drive the airflow in the heat exchange inlet to exchange heat with the heat exchanger and then flow out from the heat exchange outlet.

[0111] Optionally, the duct unit also includes a motor connected to a fan drive. The motor drives the fans, and there are two fans, each connected to a motor. The two fans are driven by a single motor.

[0112] The foregoing description and accompanying drawings fully illustrate embodiments of the present disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The embodiments represent only possible variations. Individual components and functions are optional unless explicitly required, and the order of operation may vary. Parts and features of some embodiments may be included or substituted for parts and features of other embodiments. Embodiments of the present disclosure are not limited to the structures described above and shown in the accompanying drawings, and various modifications and changes may be made without departing from its scope. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A volute assembly, characterized by, The volute shell comprises: a volute shell, which internally defines a volute cavity and an air outlet cavity connected to each other, and the air outlet cavity is provided with an air outlet, and a sliding portion is formed on the side wall of the air outlet cavity in the length direction of the air outlet cavity; a volute tongue, which is arranged in the air outlet cavity, and a sliding matching portion is formed on the end portion of the volute tongue in the length direction of the volute tongue, and the sliding matching portion is in sliding connection with the sliding portion; wherein the sliding portion extends along the height direction of the air outlet cavity, so that the volute tongue can move along the height direction of the air outlet cavity to adjust the position of the volute tongue in the air outlet cavity.

2. The volute shell assembly according to claim 1, wherein the volute tongue can move between an initial position and an adjusted position, and when the volute tongue is in the initial position, the upper wall surface of the volute tongue abuts against the upper wall surface of the air outlet cavity; and when the volute tongue is in the adjusted position, there is a gap between the upper wall surface of the volute tongue and the upper wall surface of the air outlet cavity.

3. The volute assembly of claim 2, wherein, The volute shell comprises: an upper volute shell; a lower volute shell, which comprises a body and an air outlet portion connected to each other, the body is arranged below the upper volute shell, the body and the upper volute shell enclose the volute cavity, the air outlet portion is provided with the air outlet cavity and the air outlet, the upper portion of the air outlet cavity is provided with an opening, the opening is located at the rear side of the air outlet, and the front end portion of the upper volute shell is spaced apart from the rear end portion of the upper side wall of the air outlet portion; wherein the front end portion of the upper volute shell and the rear end portion of the upper side wall of the air outlet portion enclose a mounting space, and the volute tongue is movably arranged in the mounting space.

4. The volute assembly of claim 3, wherein, The volute tongue comprises: a moving section, which is movably arranged in the mounting space along the height direction of the air outlet cavity, and the moving section is formed with a volute tongue protrusion, which protrudes towards the inside of the air outlet cavity; an adjusting section, which is arranged in the air outlet cavity, and one end of the adjusting section is connected to one end of the moving section; wherein when the volute tongue is in the initial position, the upper wall surface of the adjusting section abuts against the upper wall surface of the air outlet cavity; and when the volute tongue is in the adjusted position, there is a gap between the upper wall surface of the adjusting section and the upper wall surface of the air outlet cavity.

5. The volute shell assembly according to claim 4, wherein the adjusting section is matched with the upper wall surface of the air outlet cavity.

6. The volute shell assembly according to claim 2, wherein the rear wall surface of the volute tongue abuts against the front side wall of the upper volute shell, the rear wall surface of the volute tongue is formed with a plurality of first protrusions, the front side wall of the upper volute shell is formed with a plurality of second protrusions, the second protrusions are matched with the first protrusions, and the plurality of first protrusions and the plurality of second protrusions can be alternately inserted and form a nested structure; wherein when the volute tongue moves from the adjusted position towards the initial position, the plurality of first protrusions and the plurality of second protrusions move towards each other to form the nested structure, and when the volute tongue moves from the initial position towards the adjusted position, the plurality of first protrusions and the plurality of second protrusions move away from each other.

7. The volute shell assembly according to claim 2, wherein the side wall of the air outlet cavity in the length direction is formed with a stop portion, the stop portion protrudes towards the air outlet cavity, the adjusted position comprises a limit position, and when the volute tongue moves to the limit position, the sliding matching portion abuts against the stop portion to limit the movement of the volute tongue away from the initial position.

8. The volute shell assembly according to claim 1, wherein one of the sliding portion and the sliding matching portion comprises a sliding protrusion, and the other of the sliding portion and the sliding matching portion comprises a sliding groove, and the sliding protrusion and the sliding groove both extend along the height direction of the air outlet cavity.

9. The volute assembly of any one of claims 1 to 8, wherein, the sliding matching portion is formed with a rack, and the volute shell assembly further comprises: a gear, which is in meshing connection with the rack; a driving mechanism, which is in driving connection with the gear; The rack extends along the height direction of the air outlet cavity, and the driving mechanism drives the volute tongue to move along the height direction of the air outlet cavity through the gear and the rack; and / or, The two side walls in the length direction of the air outlet cavity are both configured with sliding parts, and the sliding fitting parts correspond to the sliding parts.

10. An air conditioner characterized by comprising: A volute assembly comprising the volute assembly according to any one of claims 1 to 9.

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