Exhaust device and clothes processing equipment

Abstract

The exhaust device comprises a box body, an air inlet is formed in the first side wall of the box body, a fixing part used for installing an impeller is arranged on the second side wall opposite to the air inlet, and a plurality of first installation parts are arranged on the first side wall and the second side wall in the box body correspondingly; an air outlet is formed in a third side wall connected between the first side wall and the second side wall; the wind shield is clamped between the first side wall and the second side wall and arranged on the periphery of the fixing part in an involute shape in an extending mode, a plurality of second installation parts are arranged on the two side edges in the extending direction of the wind shield respectively, and the wind shield is connected with the first installation parts on the first side wall and the second side wall of the box body and matched with the box body to form a volute cavity communicated with the air inlet. The air baffle extends in the involute mode and is assembled between the two opposite side walls of the box body to form the volute cavity, the air exhaust speed is high, machining and forming are convenient, installation is convenient, and the problem that the volute cavity of the air exhaust device is difficult to form is solved.

Description

Technical Field

[0001] The present invention belongs to the field of fans, and in particular, relates to an exhaust device and a clothes processing device. Background Art

[0002] A fan is a machine that relies on input mechanical energy to increase gas pressure and discharge gas. It is a driven fluid machine. It can be widely used for ventilation, dust removal and cooling in factories, mines, tunnels, cooling towers, vehicles, ships and buildings, and can also play a role in cooling and ventilation in air conditioning equipment and household appliances.

[0003] In clothing processing equipment, it is necessary to use a fan for dehumidification, especially a clothes dryer requires an efficient and fast fan for exhaust to improve drying efficiency. If the fan uses a square or circular flow channel structure, there is a problem of low wind speed, which affects the drying efficiency. In the prior art, in order to solve the above problem, an involute volute-shaped fan exhaust structure can be used to increase the wind speed, so that the moisture in the inner drum of the dryer can be discharged at a high speed, thereby improving the drying efficiency.

[0004] However, large-capacity clothes dryers, especially large-capacity direct-discharge industrial clothes dryers, have high loads and long drying times, and require a strong and durable fan exhaust structure, such as a metal exhaust structure. However, the involute spiral air duct of the fan exhaust structure is difficult to form in one piece and is difficult to manufacture.

[0005] In view of this, the present invention is proposed. Summary of the invention

[0006] The technical problem to be solved by the present invention is to overcome the shortcomings of the prior art. The purpose is to provide an exhaust device, by assembling a wind shield between the first side wall and the second side wall opposite to the box body, to form an involute volute cavity, which is convenient for processing and installation, and avoids the problem of difficulty in forming the volute cavity of the exhaust device.

[0007] Another object of the present invention is to provide a clothes processing device.

[0008] In order to solve the above technical problems, the basic idea of ​​the technical solution adopted by the present invention is to provide an exhaust device, comprising

[0009] A box body, wherein an air inlet is provided on a first side wall of the box body, a fixing portion for mounting an impeller is provided on a second side wall opposite to the air inlet, a plurality of first mounting portions are provided on the first side wall and the second side wall of the box body respectively, and an air outlet is provided on a third side wall disposed between the first side wall and the second side wall and connected to the first side wall and the second side wall;

[0010] The wind shield is clamped between the first side wall and the second side wall, and is extended along the involute line on the outer periphery of the fixing portion. A plurality of second mounting portions are respectively provided on both side edges in the extension direction of the wind shield, which are connected to the first mounting portions on the first side wall and the second side wall of the box body, and cooperate with the box body to form a volute cavity connected to the air inlet and the air inlet.

[0011] Furthermore, the first mounting portion is a mounting hole, and a plurality of mounting holes are respectively arranged on the first side wall and the second side wall at intervals along the extension direction of the wind shield;

[0012] The second mounting parts are protrusions that are respectively protruded outwards from both side edges of the wind shield, and a plurality of protrusions are arranged at intervals and are respectively mounted in the mounting holes on the box body.

[0013] Furthermore, it also includes an impeller, which is disposed in the box body, rotatably mounted on the fixing portion, and disposed opposite to the air inlet;

[0014] One end of the wind shield plate in an extending direction is arranged at a first edge of the air outlet close to the impeller, and the other end extends along a spiral involute to a second edge of the air outlet away from the impeller.

[0015] Furthermore, the windshield comprises

[0016] A first plate extending inwardly from a first edge of the air outlet close to the impeller to an outer periphery of the impeller;

[0017] A second plate is bent and extended from the first plate toward a side close to the impeller;

[0018] A third plate is extended from the second plate along a spiral involute and is arranged on the outer periphery of the impeller, extending to a second edge of the air outlet away from the impeller;

[0019] Preferably, the extending direction of the first edge and the second edge is in the same direction as the axis of the impeller.

[0020] Furthermore, it also includes:

[0021] a flow guide portion, protrudingly disposed on a side of the second plate opposite to the impeller, and connected between the first side wall and the second side wall;

[0022] The protruding side wall of the guide portion is located at the outer periphery of the impeller and is spirally extended along the third plate toward the air outlet; the other side wall of the guide portion continues to extend inward from the first plate to connect with the side wall of the guide portion;

[0023] Preferably, the protruding height of the guide portion is gradually reduced as it extends from the first side wall to the second side wall.

[0024] Furthermore, an opening and an air guide plate are provided on the first side wall of the box body, and the air guide plate extends from the outer periphery of the opening toward the inside of the box body to form the air inlet;

[0025] The impeller includes an impeller disk, fan blades and an air guide cover. The impeller disk is rotatably mounted on the fixed portion via a rotating shaft. One end of the fan blade is arranged on the impeller disk, and the other end is fixed in one end of the air guide cover. The other end of the air guide cover has an inlet, which is rotatably mounted on the outer periphery of the air guide plate.

[0026] Furthermore, the box also includes

[0027] a fourth side wall, arranged opposite to the third side wall and connected between the first side wall and the second side wall;

[0028] The fifth side wall and the sixth side wall are arranged opposite to each other and are connected to the first side wall, the second side wall, the third side wall and the fourth side wall;

[0029] The air inlet is arranged at one end of the first side wall close to the fifth side wall, the fixing portion is arranged opposite to the air inlet, and the air outlet is arranged through-through at one end where the third side wall and the sixth side wall are connected;

[0030] Preferably, the air outlet extends through to the side of the sixth side wall to form a second edge of the air outlet, and the other end of the wind shield extends spirally to the sixth side wall inside the air outlet.

[0031] Furthermore, one end of each of the first side wall and the second side wall connected to the sixth side wall is provided with an inwardly folded flange connected to the inner wall of the sixth side wall;

[0032] Preferably, it further comprises a corner cut plate, which is arranged to extend obliquely, and the two ends of the extension direction are respectively connected to the fourth side wall and the sixth side wall, and the corner cut plate is connected between the first side wall and the second side wall;

[0033] The wind shield is tangent to the third side wall, the fifth side wall, the fourth side wall, the angled plate, and the sixth side wall respectively.

[0034] Furthermore, the box includes

[0035] The first sheet metal part comprises a second side wall, a third side wall, a fifth side wall and a fourth side wall which are connected in one piece, and a side edge where the second side wall and the sixth side wall are connected is provided with a first flange folded inwards;

[0036] The second sheet metal part comprises a first side wall, wherein the side edges of the first side wall respectively connected to the third side wall, the fifth side wall and the fourth side wall of the first sheet metal part are provided with a second flange folded inwards and connected to the inner wall of the first sheet metal part; the side edge of the first side wall connected to the sixth side wall is provided with a third flange folded inwards;

[0037] The third sheet metal part comprises a sixth side wall, wherein the inner wall of the sixth side wall is respectively connected to the first flange and the third flange;

[0038] Preferably, the second sheet metal component further includes a corner plate integrally connected to the first side wall.

[0039] The present invention also provides a clothes processing device having any of the above-mentioned exhaust devices.

[0040] After adopting the above technical scheme, the present invention has the following beneficial effects compared with the prior art.

[0041] (1) The exhaust device of the present invention is provided by extending the windshield plate in an involute shape between the first side wall and the second side wall opposite to each other in the box body, and assembling the second mounting portion on the side of the windshield plate in the extension direction with the first mounting portion on the first side wall and the second side wall to form a volute cavity. The exhaust speed is fast and does not require integral molding. The volute cavity has a simple structure, is easy to process and mold, and is easy to install, thus avoiding the problem of difficulty in molding the exhaust device. When applied to clothing processing equipment, it can greatly increase the exhaust speed of moisture in the equipment, thereby improving the drying efficiency and increasing the service life of the exhaust device.

[0042] (2) The present invention arranges the wind shield plate into three sections, with one end of the first plate located inside the first edge of the air inlet, and the other end extending into the box body to form an inner wall of the air outlet for guiding the wind to flow outwards. The second plate can change the extension direction of the first plate, and cooperate with the third plate to guide the wind to flow along a spiral involute line. The third plate extends to the second edge of the air outlet. The first plate, the third plate, the first side wall and the second side wall cooperate to form an air outlet, which can guide the wind to be discharged quickly.

[0043] The specific implementation modes of the present invention are further described in detail below in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] The accompanying drawings are part of the present invention and are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention, but do not constitute an improper limitation of the present invention. Obviously, the drawings described below are only some embodiments. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. In the accompanying drawings:

[0045] Figure 1is a schematic diagram of an exhaust device of the present invention;

[0046] Figure 2 The present invention Figure 1 Schematic diagram from another angle;

[0047] Figure 3 The present invention Figure 1 Schematic diagram of the cross section in the AA direction;

[0048] Figure 4 It is a schematic diagram of a partial structure of an exhaust device of the present invention;

[0049] Figure 5 The present invention Figure 4 Schematic diagram from another angle;

[0050] Figure 6 It is a schematic diagram of a structural explosion of an exhaust device of the present invention;

[0051] Figure 7 The present invention Figure 6 A schematic diagram of the first sheet metal part from another angle;

[0052] Figure 8 It is a schematic diagram of a windshield of the present invention.

[0053] In the figure: 1, box body; 11, air inlet; 12, air outlet; 13, fixing part; 131, support plate; 132, sixth flange; 14, first sheet metal part; 141, second side wall; 142, third side wall; 143, fifth side wall; 144, fourth side wall; 145, first flange; 146, fifth flange; 15, second sheet metal part; 151, first side wall; 1511, air guide plate; 152, corner plate; 15 3. Second flange; 154. Third flange; 16. Third sheet metal part; 161. Sixth side wall; 162. Fourth flange; 17. Air guide; 18. First mounting part; 2. Wind shield; 21. First plate; 22. Second plate; 23. Third plate; 24. Second mounting part; 3. Impeller; 31. Impeller disk; 32. Fan blade; 321. Boss; 33. Air guide cover; 331. Groove; 332. Inlet; 4. Motor.

[0054] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but are intended to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0055] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. The following embodiments are used to illustrate the present invention but are not used to limit the scope of the present invention.

[0056] In the description of the present invention, it should be noted that the directions or positional relationships indicated by terms such as “upper”, “lower”, “front”, “back”, “left”, “right”, “vertical”, “inside” and “outside” are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0057] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0058] like Figures 1 to 8 As shown, the present invention provides an exhaust device having a spiral involute volute cavity for introducing wind and then quickly exhausting it. It can be applied to clothing processing equipment, especially to a dryer, to exhaust a large amount of humid air from the dryer to improve drying efficiency.

[0059] The exhaust device comprises a box body 1 and a wind shield 2.

[0060] An air inlet 11 is provided on the first side wall 151 of the box body 1 for introducing air into the exhaust device. A fixing portion 13 for mounting the impeller 3 is provided on the second side wall 141 of the box body 1 opposite to the air inlet 11. A plurality of first mounting portions 18 are respectively provided on the first side wall 151 and the second side wall 141 in the box body 1. An air outlet 12 is provided on the third side wall 142 of the box body 1, and the third side wall 142 is provided between the first side wall 151 and the second side wall 141 and connected to the first side wall 151 and the second side wall 141 respectively.

[0061] The windshield 2 is sandwiched between the first side wall 151 and the second side wall 141. The windshield 2 has a certain extension length, and the windshield 2 is extended along the involute line in the box body 1 around the fixing portion 13. A plurality of second mounting portions 24 are respectively provided on both sides of the windshield 2 in the extension direction, which are respectively connected to the first mounting portions 18 on the first side wall 151 and the second side wall 141, and cooperate with the box body 1 to form a volute cavity connected to the air inlet 11 and the air inlet 11.

[0062] In the exhaust device of the present invention, the wind shield plate 2 is extended involutely between the first side wall 151 and the second side wall 141 opposite to each other in the box body 1, and the second mounting portion 24 on the side of the extension direction of the wind shield plate 2 is assembled with the first mounting portion 18 on the first side wall 151 and the second side wall 141 to form a volute cavity. The exhaust speed is fast, and integral molding is not required. The volute cavity has a simple structure, is convenient for machining and molding, and is easy to install, thus avoiding the problem of difficulty in molding the exhaust device.

[0063] Preferably, the wind shield plate 2 is extended to the outer periphery of the air inlet 11, and the wind shield plate 2 extends along an involute line to the air outlet 12, which can further accelerate the exhaust speed of the exhaust device.

[0064] More preferably, the center of the base circle of the wind shield 2 is coaxially arranged with the center of the air inlet 11 .

[0065] Furthermore, the first mounting portion 18 is a mounting hole, and a plurality of mounting holes are spaced apart on the first side wall 151 and the second side wall 141 of the box body 1 along the extension direction of the wind shield 2. The mounting holes on the first side wall 151 and the second side wall 141 of the box body 1 are arranged oppositely.

[0066] The second mounting portion 24 is a protrusion that is protruded outwards from both sides of the wind shield 2 in the extending direction. A plurality of protrusions are arranged at intervals along the extending direction of the wind shield 2 and are respectively mounted in a plurality of mounting holes on the box body 1 .

[0067] The present invention sets the first mounting portion 18 on the box body 1 as a mounting hole, and the second mounting portions 24 on the two side edges of the wind shield 2 as protrusions, so as to facilitate the wind shield 2 to be directly plugged into the mounting holes on the first side wall 151 and the second side wall 141 opposite to the box body 1, and facilitate the assembly of the wind shield 2 and the box body 1 to form a volute cavity, which is convenient for production, simple assembly structure, and simple assembly.

[0068] Preferably, the mounting hole is arranged near the edge of the first side wall 151 and the second side wall 141. The mounting hole is arranged through the side wall of the box body 1, and the protrusion is a protruding plug-in plate inserted into the mounting hole. The width of the windshield plate 2 is the same as the distance between the first side wall 151 and the second side wall 141.

[0069] like Figure 3 to Figure 4 As shown, the exhaust device further includes an impeller 3. The impeller 3 is disposed in the housing 1 and rotatably mounted on the fixing portion 13. The impeller 3 is disposed opposite to the air inlet 11 and is used to guide the air introduced from the air inlet 11 to flow along the volute cavity to the air outlet 12 for discharge.

[0070] One end of the wind shield 2 in the extension direction is arranged at the first edge of the air outlet 12 close to the impeller 3, and the other end extends along the spiral involute to the second edge of the air outlet 12 away from the impeller 3, which can drive the air to flow in a spiral shape and then be discharged directly along the air outlet 12, thereby increasing the exhaust speed of the exhaust device.

[0071] Preferably, the axis of the rotating shaft of the impeller 3 is coaxially arranged with the center of the air inlet 11. There is a certain distance between the orthographic projection of the impeller 3 on the third side wall 142 and the air outlet 12.

[0072] The wind shield 2 includes a first plate 21, a second plate 22 and a third plate 23 which are connected in sequence.

[0073] One end of the first plate 21 is arranged in the first edge of the air outlet 12 close to the impeller 3, and the other end is extended into the box body 1. Preferably, the other end of the first plate 21 is extended to the outside of the periphery of the impeller 3, and the extension line of the first plate 21 is parallel to the tangent line of the point of the extension line closest to the periphery of the impeller 3.

[0074] One end of the second plate 22 is connected to the other end of the first plate 21, and the other end is bent toward the side close to the center of the fixing portion 13 and then extends a certain distance. Preferably, the other end of the second plate 22 is bent and extended toward the side close to the center of the impeller 3, and the other end is at a certain distance from the outer periphery of the impeller 3.

[0075] One end of the third plate 23 is connected to the other end of the second plate 22, and the other end is extended along a spiral involute to the periphery of the impeller 3, extending to the second edge of the air outlet 12 away from the impeller 3. The distance between the third plate 23 and the periphery of the impeller 3 gradually increases from the extension direction.

[0076] The present invention arranges the wind shield plate 2 into three sections, one end of the first plate 21 is located inside the first edge of the air inlet 11, and the other end extends into the box body 1 to form an inner wall of the air outlet 12 for guiding the wind to flow outward, the second plate 22 can change the extension direction of the first plate 21, and cooperate with the third plate 23 to guide the wind to flow along the spiral involute shape, and the third plate 23 extends to the second edge of the air outlet 12, and the first plate 21, the third plate 23 and the first side wall 151 and the second side wall 141 cooperate to form the air outlet 12, which can guide the wind to be discharged quickly.

[0077] Preferably, the extending direction of the first edge and the second edge is in the same direction as the axis of the impeller 3. The distance between the other end of the first plate 21 and the impeller 3 is greater than the distance between the other end of the second plate 22 and the impeller 3.

[0078] The air outlet 12 is a quadrilateral.

[0079] Furthermore, the exhaust device also includes a guide portion 17 .

[0080] The guide portion 17 is protrudingly disposed on a side wall of the second plate 22 opposite to the impeller 3 , and is connected between the first side wall 151 and the second side wall 141 .

[0081] The protruding side wall of the guide portion 17 is located at the outer periphery of the impeller 3 and extends along the spiral direction to one end of the third plate 23 as a part of the spiral involute volute cavity. The other side wall of the guide portion 17 continues to extend inward from the first plate 21 to connect to the side wall of the guide portion 17.

[0082] Preferably, the protruding height of the guide portion 17 is gradually reduced from one side of the box body 1 having the air inlet 11 to the other side, and can cooperate with the impeller 3 to reduce wind noise when the impeller 3 is running.

[0083] The two ends of the guide part 17 are respectively provided with connection holes, and are respectively fixed to the first side wall 151 and the second side wall 141 of the box body 1 by screws. The opposite sides of the guide part 17 and the second plate 22 are both provided with connection holes, and the two are fixed together by screws.

[0084] Furthermore, an opening and an air guide plate 1511 are provided on one side wall of the box body 1 . The air guide plate 1511 extends from the outer periphery of the opening toward the inside of the box body 1 and has a reduced inner diameter to form the air inlet 11 .

[0085] The impeller 3 includes an impeller disc 31, blades 32 and an air guide cover 33. The impeller disc 31 is rotatably mounted on the fixed portion 13 via a rotating shaft, one end of the blades 32 is arranged on the impeller disc 31, and the other end is fixed in one end of the air guide cover 33. The other end of the air guide cover 33 has an inlet 332, which is rotatably arranged on the outer periphery of the air guide plate 1511, and is used to guide the wind in the air inlet 11 to the blades 32 of the impeller 3 through the air guide plate 1511 and the air guide cover 33.

[0086] Preferably, the air guide plate 1511 extends from the edge of the opening to the inside of the box body 1, and the inner diameter gradually decreases to form a bell-shaped air guide plate 1511. The air guide cover 33 is cylindrical with an inner diameter gradually decreasing from one end to the other end, and the other end of the air guide cover 33 is rotatably sleeved on the outer periphery of the air guide plate 1511, and is used to guide the wind in the air inlet 11 to the inlet 332 of the air guide cover 33 through the air guide plate 1511. The air guide cover 33 with a gradually increasing inner diameter is used to quickly guide the wind to the outer peripheral edge of the fan blade 32 and the volute cavity of the outer periphery of the fan blade 32, thereby increasing the exhaust speed.

[0087] The other end of the fan blade 32 is provided with a protrusion 321 protruding outward, and preferably, the protrusion 321 is protruding axially toward the wind guide cover 33. The inner wall of one end of the wind guide cover 33 is provided with a groove 331, and the protrusion 321 is fixed in the groove 331 to fix the fan blade 32 to the wind guide cover 33.

[0088] like Figures 4 to 8 As shown, the box body 1 further includes a fourth side wall 144 , a fifth side wall 143 and a sixth side wall 161 which are arranged opposite to each other.

[0089] The third side wall 142 and the fourth side wall 144 are arranged opposite to each other and are respectively connected between the first side wall 151 and the second side wall 141 . Preferably, the third side wall 142 and the fourth side wall 144 are arranged opposite to each other at equal intervals.

[0090] The fifth side wall 143 and the sixth side wall 161 are respectively connected to the first side wall 151, the second side wall 141, the third side wall 142 and the fourth side wall 144. Preferably, the fifth side wall 143 and the sixth side wall 161 are arranged at equal intervals. The first side wall 151 and the second side wall 141 are arranged at equal intervals.

[0091] The fixing portion 13 is disposed at a position opposite to the second side wall 141 and the air inlet 11, and the air inlet 11 and the fixing portion 13 are both disposed close to the fifth side wall 143. The air outlet 12 is disposed through an end of the third side wall 142 connected to the sixth side wall 161, that is, an end of the third side wall 142 away from the fifth side wall 143.

[0092] As the distance of the air duct at the air outlet end of the volute cavity gradually opens, the air outlet 12 is arranged on one end where the third side wall 142 is connected to the sixth side wall 161 which is farther from the air inlet 11, and a larger distance is reserved for installing the wind shield plate 2 to form the air outlet end of the volute cavity.

[0093] Preferably, the air outlet 12 extends through to the side of the sixth side wall 161 to form a second edge of the air outlet 12. The other end of the wind shield plate 2 spirally extends to the sixth side wall 161 in the air outlet 12.

[0094] The wind shield plate 2 is tangent to the inner walls of the third side wall 142 , the fifth side wall 143 , the fourth side wall 144 , and the sixth side wall 161 , respectively.

[0095] Furthermore, one end of each of the first side wall 151 and the second side wall 141 connected to the sixth side wall 161 is provided with an inwardly folded flange connected to the inner wall of the sixth side wall 161 .

[0096] When assembling the wind shield 2 in the box body 1 to form the volute cavity, the wind shield 2 can be first installed between the first side wall 151 and the second side wall 141 of the box body 1, and then the inner wall of the sixth side wall 161 is fixedly connected to the flanges of the first side wall 151 and the second side wall 141.

[0097] The box body 1 further includes a chamfered plate 152 which is arranged to extend obliquely. The chamfered plate 152 is arranged to extend obliquely between the fourth side wall 144 and the sixth side wall 161 , and the chamfered plate 152 is connected between the first side wall 151 and the second side wall 141 .

[0098] The wind shield plate 2 is tangent to the third side wall 142 , the fifth side wall 143 , the fourth side wall 144 , the angled plate 152 , and the sixth side wall 161 , respectively.

[0099] In a specific solution, the box body 1 includes a first sheet metal component 14 , a second sheet metal component 15 and a third sheet metal component 16 .

[0100] The first sheet metal component 14 includes an integrally connected second side wall 141, a third side wall 142, a fifth side wall 143 and a fourth side wall 144. The side edge where the second side wall 141 and the sixth side wall 161 are connected is provided with a first flange 145 folded inwardly.

[0101] The second sheet metal component 15 includes a first side wall 151. The first side wall 151 is provided with an inwardly folded second flange 153 at the side edges connected to the third side wall 142, the fifth side wall 143, and the fourth side wall 144 of the first sheet metal component 14, and is correspondingly connected to the inner wall of the first sheet metal component 14. The first side wall 151 is provided with an inwardly folded third flange 154 at the side edge connected to the sixth side wall 161.

[0102] The third sheet metal component 16 includes a sixth side wall 161 , and the inner wall of the sixth side wall 161 is connected to the first flange 145 and the third flange 154 respectively.

[0103] During assembly, the windshield 2 is first plugged and connected to the first sheet metal part 14 and the second sheet metal part 15 respectively, and then the first sheet metal part 14 and the second sheet metal part 15 are fixed together, and finally the third sheet metal part 16 is fixed to the first sheet metal part 14 and the second sheet metal part 15 respectively.

[0104] Preferably, the second sheet metal component 15 further includes a corner cut plate 152 integrally connected to the corner cut edge of the first side wall 151 .

[0105] The first flange 145 , the second flange 153 and the third flange 154 are provided with screw holes, and are connected to other side walls by screws.

[0106] The other end of the third plate 23 is laid on the inner wall of the sixth side wall 161 , and notches are respectively provided on both sides of the other end to prevent screws from being fixed on the first flange 145 and the third flange 154 .

[0107] When the present invention is configured to be assembled with multiple sheet metal parts, various configurations can be used to facilitate assembly of the windshield 2 and the box body 1, and is not limited to the configurations of the first sheet metal part 14, the second sheet metal part 15 and the third sheet metal part 16.

[0108] The wind shield 2 is a sheet metal part with certain rigidity and elasticity. When the wind shield 2 is not assembled, the first plate 21 and the second plate 22 are pre-processed into a bent and connected state, and the third plate 23 can be a straight plate, which forms a spirally bent involute shape when inserted into the box body 1 along the mounting hole during assembly.

[0109] The components of the box body 1 are formed by sheet metal stamping.

[0110] The sixth side wall 161 continues to extend outward and protrudes from the corner plate 152. A fourth flange 162 folded inward is provided on one side of the sixth side wall 161 connected to the first side wall 151 and is buckled on the outer side of the first side wall 151. A fixing portion 13 is provided on the portion of the fourth flange 162 protruding from the corner plate 152 for fixing and connecting with the clothing processing device.

[0111] The third side wall 142 and the fifth side wall 143 are respectively connected to the first side wall 151 and are provided with a fifth flange 146 folded outward. The fifth flange 146 is provided with a fixing portion 13 for fixing to the clothes processing device.

[0112] Preferably, the third side wall 142 is a top plate, the fourth side wall 144 is a bottom plate, the first side wall 151 is a front side, and the second side wall 141 is a rear side. The first plate 21 of the wind shield 2 is extended downward, and the second plate 22 is extended horizontally in the left-right direction. The guide portion 17 is protruded downward and is arranged on the bottom wall of the second plate 22. One side wall of the protruding guide portion 17 is extended in a spiral shape, and the other side wall is extended vertically downward.

[0113] Furthermore, the exhaust device includes a motor 4 and a support plate 131. The second side wall 141 is provided with a mounting opening arranged opposite to the air inlet 11, and the inner diameter is larger than the outer diameter of the impeller 3 and / or the motor 4, so as to facilitate the assembly of the impeller 3 or the motor 4 to the box body 1.

[0114] The support plate 131 is arranged on the outer side of the second side wall 141 to close the installation opening. The motor 4 is fixed on the support plate 131, and the output shaft of the motor 4 passes through the support plate 131 to the box body 1 and is rotatably connected to the impeller 3 to drive the impeller 3 to rotate.

[0115] The side edge of the support plate 131 connecting with the third side wall 142 and the fifth side wall 143 is provided with a sixth flange 132 folded inwards, which is correspondingly connected with the third side wall 142 and the fifth side wall 143 .

[0116] The inner edge of the air outlet 12 protrudes outward from the third side wall 142 to facilitate installation with other components.

[0117] The present invention also provides a clothes processing device having any of the above-mentioned exhaust devices.

[0118] The laundry processing device includes a laundry processing drum for washing, caring for or drying laundry. The air inlet 11 is connected to the laundry processing drum to receive moisture in the drum. The laundry processing device is a dryer, a care machine or a washing machine. The exhaust device can be used to increase the exhaust speed, thereby increasing the drying efficiency.

[0119] Preferably, the clothing processing device is a clothes dryer, and further includes a drying air duct.

[0120] The air inlet 11 of the exhaust device is connected to the laundry processing drum to receive moisture in the drum. The air outlet 12 of the exhaust device is connected to the drying air duct. The air outlet 12 is arranged at the top of the housing 1, so as to quickly discharge a large amount of moisture upward to the drying air duct above for dehumidification, thereby improving the moisture discharge efficiency and the drying efficiency of the dryer.

[0121] The above description is only a preferred embodiment of the present invention, and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technician familiar with this patent can make some changes or modifications to equivalent embodiments of equivalent changes by using the technical content suggested above without departing from the scope of the technical solution of the present invention. The implementation scheme in the above embodiment can also be further combined or replaced. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the scope of the solution of the present invention.

Claims

1. An exhaust device, characterized in that: include A box body, wherein an air inlet is provided on a first side wall of the box body, a fixing portion for mounting an impeller is provided on a second side wall opposite to the air inlet, a plurality of first mounting portions are provided on the first side wall and the second side wall of the box body respectively, and an air outlet is provided on a third side wall disposed between the first side wall and the second side wall and connected to the first side wall and the second side wall; The wind shield is clamped between the first side wall and the second side wall, and is extended along the involute line on the outer periphery of the fixing portion. A plurality of second mounting portions are respectively provided on both side edges in the extension direction of the wind shield, which are connected to the first mounting portions on the first side wall and the second side wall of the box body, and cooperate with the box body to form a volute cavity connected to the air inlet and the air inlet.

2. An exhaust device according to claim 1, characterized in that: The first mounting portion is a mounting hole, and a plurality of mounting holes are respectively arranged on the first side wall and the second side wall at intervals along the extension direction of the wind shield; The second mounting parts are protrusions that are respectively protruded outwards from both side edges of the wind shield, and a plurality of protrusions are arranged at intervals and are respectively mounted in the mounting holes on the box body.

3. An exhaust device according to any one of claims 1-2, characterized in that: It also includes an impeller, which is disposed in the box body, rotatably mounted on the fixing portion, and disposed opposite to the air inlet; One end of the wind shield plate in an extending direction is arranged at a first edge of the air outlet close to the impeller, and the other end extends along a spiral involute to a second edge of the air outlet away from the impeller.

4. An exhaust device according to claim 3, characterized in that: The windshield comprises A first plate extending inwardly from a first edge of the air outlet close to the impeller to an outer periphery of the impeller; A second plate is bent and extended from the first plate toward a side close to the impeller; A third plate is extended from the second plate along a spiral involute and is arranged on the outer periphery of the impeller, extending to a second edge of the air outlet away from the impeller; Preferably, the extending direction of the first edge and the second edge is in the same direction as the axis of the impeller.

5. An exhaust device according to claim 4, characterized in that: Also includes, a flow guide portion, protrudingly disposed on a side of the second plate opposite to the impeller, and connected between the first side wall and the second side wall; The protruding side wall of the guide portion is located at the outer periphery of the impeller and is spirally extended along the third plate toward the air outlet; the other side wall of the guide portion continues to extend inward from the first plate to connect with the side wall of the guide portion; Preferably, the protruding height of the guide portion is gradually reduced as it extends from the first side wall to the second side wall.

6. An exhaust device according to any one of claims 3 to 5, characterized in that: An opening and an air guide plate are provided on the first side wall of the box body, and the air guide plate extends from the outer periphery of the opening toward the inside of the box body to form the air inlet; The impeller includes an impeller disk, fan blades and an air guide cover. The impeller disk is rotatably mounted on the fixed portion via a rotating shaft. One end of the fan blade is arranged on the impeller disk, and the other end is fixed in one end of the air guide cover. The other end of the air guide cover has an inlet, which is rotatably mounted on the outer periphery of the air guide plate.

7. An exhaust device according to any one of claims 1 to 6, characterized in that: The box also includes a fourth side wall, arranged opposite to the third side wall and connected between the first side wall and the second side wall; The fifth side wall and the sixth side wall are arranged opposite to each other and are connected to the first side wall, the second side wall, the third side wall and the fourth side wall; The air inlet is arranged at one end of the first side wall close to the fifth side wall, the fixing portion is arranged opposite to the air inlet, and the air outlet is arranged through-through at one end where the third side wall and the sixth side wall are connected; Preferably, the air outlet extends through to the side of the sixth side wall to form a second edge of the air outlet, and the other end of the wind shield extends spirally to the sixth side wall inside the air outlet.

8. An exhaust device according to claim 7, characterized in that: One end of each of the first side wall and the second side wall connected to the sixth side wall is provided with an inwardly folded flange connected to the inner wall of the sixth side wall; Preferably, it further comprises a corner cut plate, which is arranged to extend obliquely, and the two ends of the extension direction are respectively connected to the fourth side wall and the sixth side wall, and the corner cut plate is connected between the first side wall and the second side wall; The wind shield is tangent to the third side wall, the fifth side wall, the fourth side wall, the angled plate, and the sixth side wall respectively.

9. An exhaust device according to claim 8, characterized in that: The box includes The first sheet metal part comprises a second side wall, a third side wall, a fifth side wall and a fourth side wall which are connected in one piece, and a first flange folded inwards is provided on a side edge where the second side wall and the sixth side wall are connected; The second sheet metal part comprises a first side wall, wherein the side edges of the first side wall respectively connected to the third side wall, the fifth side wall and the fourth side wall of the first sheet metal part are provided with a second flange folded inwards and connected to the inner wall of the first sheet metal part; the side edge of the first side wall connected to the sixth side wall is provided with a third flange folded inwards; The third sheet metal part comprises a sixth side wall, wherein the inner wall of the sixth side wall is respectively connected to the first flange and the third flange; Preferably, the second sheet metal component further includes a corner plate integrally connected to the first side wall.

10. A clothes processing device, characterized in that: A ventilation device according to any one of claims 1 to 9.

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