Clothes processing equipment

Abstract

The utility model discloses clothes processing equipment which comprises a roller, an air supply device and a motor, the air supply device comprises a fan, a gear box is arranged between an output shaft of the motor and a transmission shaft of the fan, the gear box comprises a box body, a driving gear assembly, a transmission gear assembly and a clutch gear assembly, and the driving gear assembly is connected with the transmission shaft. The clutch gear assembly is connected with the output shaft, and when the output shaft rotates forwards, the clutch gear assembly is meshed with the driving gear assembly to drive the driving gear assembly to rotate forwards; when the output shaft rotates reversely, the clutch gear assembly moves in the axial direction to be meshed with the transmission gear assembly so as to drive the driving gear assembly to rotate forwards through the transmission gear assembly. The gear box is connected between the fan and the motor, so that the motor can drive the roller to switch between forward rotation and reverse rotation, and the fan is always driven by the gear box to rotate in the same direction no matter the roller rotates forwards or reversely, so as to ensure that the fan can continuously convey hot air into the roller.

Description

Technical Field

[0001] The utility model belongs to the field of household appliances, and in particular relates to a clothing processing device. Background Art

[0002] With the development of economy and society, the application field of clothes dryers is gradually expanding. Clothes dryers usually include a drum and an air supply system. Clothes are placed in the drum, and the air supply system transmits hot air into the drum for drying the clothes.

[0003] At present, in the clothes dryers on the market, a motor is usually used to drive the drum and the fan in the air supply system to rotate together. If the drum rotates in one direction for a long time, the clothes in the drum will get tangled, resulting in poor drying effect. Therefore, the motor needs to drive the drum to rotate forward and reverse in combination. However, because the fan can only supply air in one direction, if the fan can transmit hot air for drying clothes into the drum when the drum rotates forward, then when the drum reverses, the fan will also change its rotation direction. At this time, the fan cannot transmit hot air for drying clothes into the drum. Therefore, compared with the unidirectional rotation of the drum, the forward and reverse rotation of the drum will greatly shorten the time for the fan to transmit hot air to the drum, reduce the drying efficiency, and prolong the drying time. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a clothes processing device to solve the problem that the fan can only transmit hot air to the drum in a single direction of rotation when the drum rotates forward and reversely to dry clothes.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions: a clothes processing device, including a drum, an air supply device for supplying air into the drum, and a motor for driving the drum to rotate, the air supply device includes a fan connected to the motor in a transmission manner, a gear box is provided between the output shaft of the motor and the transmission shaft of the fan, the gear box includes a housing, a driving gear assembly and a transmission gear assembly rotatably connected in the housing, and a clutch gear assembly movably connected in the housing, the driving gear assembly is connected to the transmission shaft, the transmission gear assembly is meshed with the driving gear assembly, the clutch gear assembly is connected to the output shaft, when the output shaft rotates forward, the clutch gear assembly is meshed with the driving gear assembly to drive the driving gear assembly to rotate forward; when the output shaft is reversed, the clutch gear assembly moves axially to mesh with the transmission gear assembly, so as to drive the driving gear assembly to rotate forward through the transmission gear assembly. This technical solution has the following technical effects:

[0006] The utility model drives the rotation of the drum and the fan of the air supply device simultaneously through a single motor, so that a single motor can realize the flipping and air supply of the clothes to be dried, simplifies the internal structure of the clothes processing equipment, and reduces the production cost; by connecting a gearbox between the fan of the air supply device and the output shaft of the motor, and setting the gearbox into a structure in which the clutch gear assembly connected to the output shaft of the motor can be switched between meshing with the driving gear assembly and meshing with the transmission gear assembly, when the output shaft of the motor rotates forward to drive the drum to rotate in one direction, the forward rotating clutch gear assembly meshes with the driving gear assembly, ensuring that the fan rotates reversely under the drive of the driving gear assembly to convey hot air into the drum. When the output shaft of the motor rotates reversely to drive the drum to rotate in the other direction, the reversely rotating clutch gear assembly meshes with the transmission gear assembly, drives the driving gear assembly to rotate reversely through the transmission gear assembly, and further ensures that the fan continues to maintain reverse rotation to convey hot air into the drum to continuously dry the clothes. That is, the motor can drive the drum to switch between forward rotation and reverse rotation, and through the combination of forward and reverse rotation of the drum, the clothes in the drum are prevented from being entangled, the drying effect is improved. At the same time, whether the drum rotates forward or reversely, the fan always maintains the rotation in the same direction under the drive of the gearbox, so as to ensure that the fan can continuously convey hot air into the drum to dry the clothes, improve the drying efficiency, further improve the drying effect of the clothes, and avoid the situation that the fan cannot convey hot air into the drum in one of the rotation directions of the drum when the drum rotates forward and reversely, thus enhancing the user experience.

[0007] In the above-mentioned clothes processing equipment, the driving gear assembly includes a first driving gear for meshing with the clutch gear assembly, a second driving gear for meshing with the transmission gear assembly, and a first rotating shaft connected to the transmission shaft. The first driving gear and the second driving gear are linked through the first rotating shaft. By setting the driving gear assembly into a structure combined with the first driving gear and the second driving gear, the driving gear assembly does not need to simultaneously mesh with the clutch gear assembly and the transmission gear assembly through a single gear. When the clutch gear assembly switches positions, it can quickly mesh with or disengage from the driving gear assembly by moving a small distance.

[0008] In the above-mentioned clothes processing equipment, the outer diameter of the first driving gear is smaller than the outer diameter of the second driving gear. While ensuring the stable meshing of the second driving gear with the transmission gear assembly, the smaller first driving gear can reserve space for the clutch gear assembly, facilitating the movement and switching of the clutch gear assembly between the first driving gear and the transmission gear assembly.

[0009] In the above-mentioned clothes treatment device, the transmission gear assembly includes a first transmission gear for meshing with the clutch gear assembly, a second transmission gear for meshing with the drive gear assembly, and a second rotating shaft. The first transmission gear and the second transmission gear are linked by the second rotating shaft. By setting the transmission gear assembly into a structure combining the first transmission gear and the second transmission gear, it is not necessary for the transmission gear assembly to simultaneously mesh with the clutch gear assembly and the drive gear assembly through a single gear. When the clutch gear assembly switches positions, it can quickly mesh with or disengage from the transmission gear assembly by moving a relatively small distance.

[0010] In the above-mentioned clothes treatment device, the clutch gear assembly includes a clutch gear and a third rotating shaft linked to the clutch gear. One of the third rotating shaft and the output shaft is provided with a mounting groove, and the other is provided with a mounting portion, and the mounting portion is movably connected in the mounting groove. During installation, the two can be inserted into each other, with a simple structure and convenient for the assembly of the motor and the gearbox.

[0011] In the above-mentioned clothes treatment device, a chute extending in a spiral direction is provided on the inner side wall of the mounting groove, and a sliding protrusion is provided on the outer side wall of the mounting portion, and the sliding protrusion is slidably connected in the chute. By providing a chute extending in a spiral direction on the inner wall of the mounting groove and a sliding protrusion slidably connected to the chute on the outer side wall of the mounting portion, the output shaft of the motor can control the rotation of the clutch gear assembly, and the output shaft of the motor can also control the axial movement of the clutch gear assembly through the sliding of the sliding protrusion in the chute. That is, a single structure can achieve the rotation of the clutch gear assembly and the switching between the drive gear assembly and the transmission gear assembly, without the need to additionally provide other parts or electronic components to control the switching of the clutch gear assembly between the drive gear assembly and the transmission gear assembly. While simplifying the structure, it ensures the stable transmission between the output shaft of the motor and the clutch gear assembly, reducing the production and processing difficulty and production cost.

[0012] In the above-mentioned clothes treatment device, an internal thread is provided on the inner side wall of the mounting groove, and an external thread is provided on the outer side wall of the mounting portion, and the internal thread cooperates with the external thread to thread-connect the mounting groove and the mounting portion. When the output shaft of the motor rotates forward, the output shaft of the motor directly drives the clutch gear assembly to rotate. When the output shaft of the motor rotates in reverse, the clutch gear assembly moves a certain distance away from the output shaft of the motor under the drive of the matching internal thread and external thread and then cannot move further. At this time, the clutch gear assembly meshes with the transmission gear assembly, and then, the output shaft of the motor drives the clutch gear assembly to rotate in reverse together. The structure is simple and reliable, reducing the assembly difficulty between the motor and the gearbox.

[0013] In the above-mentioned clothing treatment device, a first limiting protrusion is provided on the inner side wall of the installation groove, and a second limiting protrusion is provided on the outer side wall of the installation part. When the clutch gear assembly is engaged with the transmission gear assembly, the first limiting protrusion and the second limiting protrusion prevent the third rotating shaft and the output shaft from disengaging by abutting against each other. When the clutch gear assembly is engaged with the transmission gear assembly, the first limiting protrusion just moves to abut against the second limiting protrusion to prevent the sliding protrusion from disengaging from the end of the sliding groove with an opening, thereby avoiding the disengagement of the third rotating shaft and the output shaft of the motor, and ensuring that when the clutch gear assembly is engaged with the transmission gear assembly, the clutch gear assembly will not continue to move, so as to ensure stable transmission between the clutch gear assembly and the transmission gear assembly.

[0014] In the above-mentioned clothing treatment device, when the clutch gear assembly is engaged with the transmission gear assembly, the end of the third rotating shaft away from the output shaft abuts against the inner wall of the box body to prevent the third rotating shaft and the output shaft from disengaging. It ensures the stable transmission between the output shaft of the motor and the clutch gear assembly, and also enables the clutch gear assembly and the transmission gear assembly to be accurately engaged, avoiding excessive movement of the clutch gear assembly and misalignment of the transmission gear assembly, and realizing stable transmission between the clutch gear assembly and the transmission gear assembly.

[0015] In the above-mentioned clothing treatment device, an elastic resetting member is provided in the box body. The elastic resetting member abuts against the box body and the end of the third rotating shaft away from the output shaft respectively, so as to push the clutch gear assembly to engage with the driving gear assembly when the output shaft changes from reverse rotation to forward rotation. When the motor switches from forward rotation to reverse rotation, the output shaft of the motor pushes the clutch gear assembly to move, so that the sliding protrusion slides from the end of the sliding groove away from the clutch gear assembly to the end close to the clutch gear assembly, and the elastic resetting member is squeezed by the third rotating shaft and the box body. When the motor switches from reverse rotation to forward rotation, the elastic resetting member pushes the third rotating shaft under the action of elastic force to assist the clutch gear assembly to reset, so that the sliding protrusion slides from the end of the sliding groove close to the clutch gear assembly to the end away from the clutch gear assembly. The setting of the elastic resetting member can assist the clutch gear assembly to quickly switch from engaging with the transmission gear assembly to engaging with the driving gear assembly, making the switching of the clutch gear assembly between the transmission gear assembly and the driving gear assembly smoother.

[0016] The features and advantages of the present utility model will be disclosed in detail in the following specific embodiments and drawings. Description of the Drawings

[0017] The present utility model will be further described below in conjunction with the drawings and specific embodiments:

[0018] Figure 1 It is a three-dimensional view of the gearbox in Embodiment 1;

[0019] Figure 2 It is an exploded view of the gearbox in Embodiment 1;

[0020] Figure 3 Schematic cross-sectional view of the gearbox in Embodiment 1;

[0021] Figure 4 Schematic view of the engagement between the clutch gear assembly and the transmission gear assembly in Embodiment 1;

[0022] Figure 5 Schematic view of the engagement between the clutch gear assembly and the drive gear assembly in Embodiment 1;

[0023] Figure 6 Stereogram of the output shaft of the motor in Embodiment 1;

[0024] Figure 7 Assembly schematic diagram of the output shaft of the motor and the clutch gear assembly in Embodiment 1.

[0025] Reference numerals:

[0026] 100, housing; 110, annular rib; 111, limiting groove;

[0027] 200, drive gear assembly; 210, first rotating shaft; 220, first drive gear; 230, second drive gear;

[0028] 300, transmission gear assembly; 310, second rotating shaft; 320, first transmission gear; 330, second transmission gear;

[0029] 400, clutch gear assembly; 410, third rotating shaft; 411, mounting portion; 412, sliding protrusion; 413, annular limiting rib; 420, clutch gear;

[0030] 500, output shaft; 510, mounting groove; 520, sliding groove;

[0031] 600, elastic reset member. Detailed implementation manners

[0032] The utility model provides a clothes processing device, comprising a drum, an air supply device for supplying air into the drum, and a motor for driving the drum to rotate, the air supply device comprising a fan connected to the motor in a transmission manner, a gear box being arranged between an output shaft of the motor and a transmission shaft of the fan, the gear box comprising a box body, a driving gear assembly and a transmission gear assembly rotatably connected in the box body, and a clutch gear assembly movably connected in the box body, the driving gear assembly being connected to the transmission shaft, the transmission gear assembly being meshed with the driving gear assembly, the clutch gear assembly being connected to the output shaft, when the output shaft rotates forward, the clutch gear assembly being meshed with the driving gear assembly to drive the driving gear assembly to rotate forward; when the output shaft is reversed, the clutch gear assembly moves axially to mesh with the transmission gear assembly, so as to drive the driving gear assembly to rotate forward through the transmission gear assembly. The utility model drives the drum and the fan of the air supply device to rotate simultaneously by a single motor, so that the single motor can realize the turning and air supply of the clothes to be dried, simplifies the internal structure of the clothes processing equipment, and reduces the production cost; by connecting a gear box between the fan of the air supply device and the output shaft of the motor, and arranging the gear box into a structure in which a clutch gear assembly connected to the output shaft of the motor can switch between meshing with the driving gear assembly and meshing with the transmission gear assembly, when the output shaft of the motor rotates forward to drive the drum to rotate in one direction, the forward-rotating clutch gear assembly meshes with the driving gear assembly to ensure that the fan is reversed under the drive of the driving gear assembly to transmit hot air into the drum; when the output shaft of the motor is reversed to drive the drum to rotate in another direction, the reversed clutch gear assembly meshes with the transmission gear assembly, and drives the driving gear assembly to reverse through the transmission gear assembly, thereby ensuring that the fan continues to maintain reverse rotation to transmit hot air into the drum, so as to continuously dry the clothes. That is, the motor can drive the drum to switch between forward and reverse rotation, so as to avoid the clothes in the drum from getting tangled and improve the drying effect through the combination of forward and reverse rotation of the drum. At the same time, no matter whether the drum rotates forward or reverse, the fan always maintains rotation in the same direction under the drive of the gear box, so as to ensure that the fan can continuously transmit hot air into the drum to dry the clothes, improve the drying efficiency, further improve the drying effect of the clothes, and avoid the situation where the fan is unable to transmit hot air into the drum in one of the rotation directions of the drum when the drum is combined with forward and reverse rotation, thereby improving the user experience.

[0033] The following is an explanation and description of the technical scheme of the embodiment of the utility model in conjunction with the drawings of the embodiment of the utility model, but the following embodiment is only a preferred embodiment of the utility model, not all. Based on the embodiment in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the protection scope of the utility model.

[0034] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model.

[0035] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more, unless otherwise clearly defined.

[0036] In the present utility model, unless otherwise clearly specified and defined, the terms such as "mounted", "connected", "connected to", "fixed" and the like shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0037] In the present utility model, unless otherwise clearly specified and defined, the first feature being "above" or "below" the second feature may include the direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but in contact through other features therebetween. Moreover, the first feature being "above", "over" and "on" the second feature includes that the first feature is directly above and obliquely above the second feature, or merely indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature being "below", "under" and "beneath" the second feature includes that the first feature is directly below and obliquely below the second feature, or merely indicates that the horizontal height of the first feature is lower than that of the second feature.

[0038] Embodiment 1:

[0039] A clothing treatment device, such as Figures 1 to 7As shown, it includes a drum, a blowing device and a motor. The blowing device includes a fan. The motor is respectively drivingly connected to the drum and the fan. The motor can drive the drum and the fan to rotate together. The blowing device can convey hot air into the drum through the rotation of the fan. The drum can continuously adjust the drying surface of the clothes contained therein by rotating, so as to dry the clothes in the drum with hot air. A gearbox is provided between the motor and the fan. The output shaft 500 of the motor and the transmission shaft of the fan are transmitted through the gearbox. As Figure 2 shown, the gearbox includes a box body 100, a driving gear assembly 200, a transmission gear assembly 300 and a clutch gear assembly 400. The driving gear assembly 200 and the transmission gear assembly 300 are rotatably connected in the box body 100, and the driving gear assembly 200 and the transmission gear assembly 300 are meshed. The clutch gear assembly 400 is movably connected in the box body 100. The clutch gear assembly 400 can rotate around its own central axis and can also axially move along its own central axis in the box body 100 to switch between meshing with the driving gear assembly 200 and meshing with the transmission gear assembly 300. The output shaft 500 of the motor is connected to the clutch gear assembly 400, and the transmission shaft of the fan is connected to the driving gear assembly 200.

[0040] When the output shaft 500 of the motor rotates forward, the output shaft 500 of the motor drives the drum to rotate in one direction through structures such as a conveyor belt. Since the clutch gear assembly 400 is meshed with the driving gear assembly 200, the clutch gear assembly 400 rotates forward under the drive of the output shaft 500 of the motor, and then drives the driving gear assembly 200 meshed with it to rotate in reverse, and then drives the fan connected to the driving gear assembly 200 to rotate in reverse. The reverse fan conveys hot air into the drum to dry the clothes in the drum. When the output shaft 500 of the motor rotates in reverse, the output shaft 500 of the motor drives the drum to rotate in the other direction through structures such as a conveyor belt. The clutch gear assembly 400 axially moves along its own axis, so that the clutch gear assembly 400 disengages from the driving gear assembly 200 and meshes with the transmission gear assembly 300. During this process, the driving gear assembly 200 and the transmission gear assembly 300 are always meshed, and the clutch gear assembly 400 is always connected to the output shaft 500 of the motor. The clutch gear assembly 400 rotates in reverse under the drive of the output shaft 500 of the motor, and then drives the transmission gear assembly 300 meshed with it to rotate forward. The forward rotating transmission gear assembly 300 drives the driving gear assembly 200 meshed with it to rotate in reverse, and then drives the fan connected to the driving gear assembly 200 to rotate in reverse. The reverse fan conveys hot air into the drum to dry the clothes in the drum.

[0041] The utility model drives the rotation of the drum and the fan of the air supply device simultaneously through a single motor, enabling the laundry treatment device to achieve the flipping and air supply of the laundry to be dried through a single motor, simplifying the internal structure of the laundry treatment device and reducing the production cost; by connecting a gearbox between the fan of the air supply device and the output shaft 500 of the motor, and setting the gearbox into a structure in which the clutch gear assembly 400 connected to the output shaft 500 of the motor can be switched between meshing with the driving gear assembly 200 and meshing with the transmission gear assembly 300, when the output shaft 500 of the motor rotates forward to drive the drum to rotate in one direction, the forward-rotating clutch gear assembly 400 meshes with the driving gear assembly 200 to ensure that the fan rotates reversely under the drive of the driving gear assembly 200 to convey hot air into the drum. When the output shaft 500 of the motor rotates reversely to drive the drum to rotate in the other direction, the reversely-rotating clutch gear assembly 400 meshes with the transmission gear assembly 300, and drives the driving gear assembly 200 to rotate reversely through the transmission gear assembly 300, thereby ensuring that the fan continues to rotate reversely to convey hot air into the drum to continuously dry the laundry. That is, the motor can drive the drum to switch between forward rotation and reverse rotation, and through the combination of forward and reverse rotation of the drum, the entanglement of the laundry in the drum is avoided, and the drying effect is improved. At the same time, whether the drum rotates forward or reversely, the fan always rotates in the same direction under the drive of the gearbox to ensure that the fan can continuously convey hot air into the drum to dry the laundry, improve the drying efficiency, further enhance the drying effect of the laundry, and avoid the situation that the fan cannot convey hot air into the drum in one of the rotation directions of the drum when the drum rotates forward and reversely, thus enhancing the user experience.

[0042] In this embodiment, the driving gear assembly 200 includes a first rotating shaft 210, a first driving gear 220 and a second driving gear 230 which are coaxially arranged. The first driving gear 220 and the second driving gear 230 are arranged at intervals on the first rotating shaft 210. The first rotating shaft 210, the first driving gear 220 and the second driving gear 230 are integrally arranged for linkage. One end of the first rotating shaft 210 close to the output shaft 500 of the motor is rotatably connected to the inner wall of the housing 100, and one end of the first rotating shaft 210 away from the output shaft 500 of the motor passes through the housing 100 for connecting to the transmission shaft of the fan. The first driving gear 220 is used to engage the clutch gear assembly 400, and the second driving gear 230 is engaged with the transmission gear assembly 300. By setting the driving gear assembly 200 to a structure in which the first driving gear 220 and the second driving gear 230 are combined, the driving gear assembly 200 does not need to simultaneously mesh with the clutch gear assembly 400 and the transmission gear assembly 300 through a single gear. When the clutch gear assembly 400 is in the switching position, it can quickly mesh with or disengage from the driving gear assembly 200 by moving a small distance. Preferably, the outer diameter of the first driving gear 220 is smaller than the outer diameter of the second driving gear 230. While ensuring that the second driving gear 230 is stably meshed with the transmission gear assembly 300, the smaller first driving gear 220 can reserve space for the clutch gear assembly 400, so that the clutch gear assembly 400 can move and switch between the first driving gear 220 and the transmission gear assembly 300. In order to reduce speed between the output shaft 500 of the motor and the transmission shaft of the fan, the outer diameter of the clutch gear assembly 400 can be set to be smaller than the outer diameter of the first driving gear 220.

[0043] In this embodiment, the transmission gear assembly 300 includes a second rotating shaft 310, a first transmission gear 320 and a second transmission gear 330. The first transmission gear 320 and the second transmission gear 330 are arranged at intervals on the second rotating shaft 310. The second rotating shaft 310, the first transmission gear 320 and the second transmission gear 330 are integrally arranged to be linked. The two ends of the second rotating shaft 310 are rotatably connected to two opposite inner walls of the box body 100. The first transmission gear 320 is used to engage the clutch gear assembly 400. The second transmission gear 330 maintains engagement with the second driving gear 230 of the driving gear assembly 200. The clutch gear assembly 400 realizes transmission switching by moving and switching between the first transmission gear 320 and the first driving gear 220. By setting the transmission gear assembly 300 to a structure combining the first transmission gear 320 and the second transmission gear 330, the transmission gear assembly 300 does not need to simultaneously mesh with the clutch gear assembly 400 and the driving gear assembly 200 through a single gear. When the clutch gear assembly 400 switches positions, it can quickly mesh with or disengage from the transmission gear assembly 300 by moving a small distance. Preferably, the outer diameter of the clutch gear assembly 400 is smaller than the outer diameter of the first transmission gear 320.

[0044] In this embodiment, if Figure 2 As shown, the clutch gear assembly 400 includes a clutch gear 420 and a third rotating shaft 410 which are coaxially arranged. The clutch gear 420 and the third rotating shaft 410 are integrally arranged to be linked. A mounting portion 411 is provided at one end of the third rotating shaft 410 facing the motor, and a mounting groove 510 is provided at the end of the output shaft 500 of the motor. The mounting portion 411 is inserted into the mounting groove 510 so that the clutch gear assembly 400 is movably connected with the output shaft 500 of the motor. The structure is simple and convenient for assembling the motor and the gear box. Of course, it can be understood that the mounting groove 510 in this embodiment can be arc-shaped or linear; the mounting portion 411 and the mounting groove 510 in this embodiment can also exchange positions, that is, the mounting groove 510 is provided at the end of the third rotating shaft 410, and the mounting portion 411 is provided at the end of the output shaft 500 of the motor.

[0045] like Figure 6As shown, a sliding groove 520 is provided on the inner sidewall of the installation groove 510. The sliding groove 520 extends along a spiral direction. A sliding protrusion 412 is provided on the outer sidewall of the installation part 411. The sliding protrusion 412 is inserted into the sliding groove 520 and can slide along the extending direction of the sliding groove 520. When the motor rotates forward, the sliding protrusion 412 is located at one end of the sliding groove 520 away from the clutch gear assembly 400. The sliding protrusion 412 abuts against the end of the sliding groove 520. Driven by the inner sidewall of the sliding groove 520, the sliding protrusion 412 drives the clutch gear assembly 400 to rotate forward, thereby driving the driving gear assembly 200 engaged with the clutch gear assembly 400 to rotate in reverse. When the motor switches from forward rotation to reverse rotation, because the sliding groove 520 extends along a spiral direction, the sliding protrusion 412 will first slide along the sliding groove 520 to the other end of the sliding groove 520 (i.e., the end of the sliding groove 520 close to the clutch gear assembly 400) under the push of the rotating motor output shaft 500, so that the clutch gear assembly 400 meshes with the transmission gear assembly 300. Then, driven by the inner sidewall of the sliding groove 520, the clutch gear assembly 400 is driven to rotate in reverse, thereby driving the transmission gear assembly 300 to rotate forward and finally driving the driving gear assembly 200 to rotate in reverse. When the motor switches from reverse rotation to forward rotation, the sliding protrusion 412 first slides back to the end of the sliding groove 520 away from the clutch gear assembly 400, and then drives the clutch gear assembly 400 to rotate forward under the push of the inner sidewall of the sliding groove 520. By providing the sliding groove 520 extending along a spiral direction on the inner wall of the installation groove 510 and providing the sliding protrusion 412 slidably connected to the sliding groove 520 on the outer sidewall of the installation part 411, the output shaft 500 of the motor can control the rotation of the clutch gear assembly 400, and the axial movement of the clutch gear assembly 400 can also be controlled by the sliding of the sliding protrusion 412 in the sliding groove 520. That is, a single structure can achieve the rotation of the clutch gear assembly 400 and the switching between the driving gear assembly 200 and the transmission gear assembly 300 without additionally arranging other parts or electronic components to control the switching of the clutch gear assembly 400 between the driving gear assembly 200 and the transmission gear assembly 300. While simplifying the structure, the stable transmission between the motor output shaft 500 and the clutch gear assembly 400 is ensured, and the production and processing difficulty and production cost are reduced.

[0046] As Figure 3As shown, when the clutch gear assembly 400 moves to engage with the transmission gear assembly 300, one end of the third rotating shaft 410 away from the output shaft 500 abuts against the inner wall of the box body 100, so as to prevent the clutch gear assembly 400 from continuing to move away from the output shaft 500 of the motor, prevent the third rotating shaft 410 from disengaging from the output shaft 500, ensure the stable transmission between the output shaft 500 of the motor and the clutch gear assembly 400, and also enable the clutch gear assembly 400 to be accurately engaged with the transmission gear assembly 300, avoid excessive movement of the clutch gear assembly 400 and misalignment of the transmission gear assembly 300, and achieve stable transmission between the clutch gear assembly 400 and the transmission gear assembly 300. Preferably, in this embodiment, an annular limiting rib 413 is provided on the third rotating shaft 410, and an annular rib 110 forming a limiting groove 111 is provided on the box body 100. When the clutch gear assembly 400 engages with the transmission gear assembly 300, the third rotating shaft 410 is inserted into the limiting groove 111, and the annular limiting rib 413 abuts against the end of the annular rib 110, with a simple and reliable structure.

[0047] In this embodiment, an elastic reset member 600 such as a spring is provided in the limiting groove 111, and the elastic reset member 600 abuts against the box body 100 and one end of the third rotating shaft 410 away from the output shaft 500 respectively. When the motor switches from forward rotation to reverse rotation, the output shaft 500 of the motor pushes the clutch gear assembly 400 to move, so that the sliding protrusion 412 slides from one end of the sliding groove 520 away from the clutch gear assembly 400 to one end close to the clutch gear assembly 400, and the elastic reset member 600 is squeezed by the third rotating shaft 410 and the box body 100. When the motor switches from reverse rotation to forward rotation, the elastic reset member 600 pushes the third rotating shaft 410 under the action of elastic force to assist the clutch gear assembly 400 to reset, so that the sliding protrusion 412 slides from one end of the sliding groove 520 close to the clutch gear assembly 400 to one end away from the clutch gear assembly 400. The setting of the elastic reset member 600 can assist the clutch gear assembly 400 to quickly switch from engaging with the transmission gear assembly 300 to engaging with the driving gear assembly 200, making the switching of the clutch gear assembly 400 between the transmission gear assembly 300 and the driving gear assembly 200 smoother.

[0048] The laundry treatment device in this embodiment can be a dryer or a dry-cleaning integrated machine.

[0049] Embodiment Two:

[0050] The difference between this embodiment and the first embodiment is that in this embodiment, internal threads are provided on the inner sidewall of the installation groove, external threads are provided on the outer sidewall of the installation part, and the external threads of the installation part are threadedly connected to the internal threads of the installation groove. When the driving shaft of the motor rotates forward, the driving shaft of the motor directly drives the clutch gear assembly to rotate. When the driving shaft of the motor rotates in reverse, the clutch gear assembly moves a certain distance away from the driving shaft of the motor under the drive of the matching internal and external threads and then cannot move further. At this time, the clutch gear assembly meshes with the transmission gear assembly, and then, the driving shaft of the motor drives the clutch gear assembly to rotate in reverse together. The structure is simple and reliable, reducing the assembly difficulty between the motor and the gearbox.

[0051] Embodiment Three:

[0052] The difference between this embodiment and the first embodiment is that in this embodiment, the end of the sliding groove far from the clutch gear assembly is closed, and an opening is provided at the end close to the clutch gear assembly to facilitate the installation of the sliding protrusion into the sliding groove. A first limiting protrusion is provided on the inner sidewall of the installation groove, and a second limiting protrusion is provided on the outer sidewall of the installation part. When the clutch gear assembly meshes with the transmission gear assembly, the first limiting protrusion just moves to abut against the second limiting protrusion to prevent the sliding protrusion from disengaging from the end of the sliding groove with the opening, thereby avoiding the disconnection between the third rotating shaft and the output shaft, and ensuring that when the clutch gear assembly meshes with the transmission gear assembly, the clutch gear assembly will not continue to move, so as to ensure stable transmission between the clutch gear assembly and the transmission gear assembly.

[0053] Embodiment Four:

[0054] The difference between this embodiment and the first embodiment is that in this embodiment, the two ends of the sliding groove are closed to limit the sliding protrusion, so that when the clutch gear assembly meshes with the transmission gear assembly and the driving gear assembly respectively, the sliding protrusion is just located at both ends of the sliding groove and cannot disengage from the sliding groove, ensuring the precise switching of the clutch gear assembly between the two meshing positions.

[0055] The above are only the preferred embodiments of the present invention, and the protection scope of the present invention is not limited to the above embodiments. All technical solutions falling within the idea of the present invention belong to the protection scope of the present invention. It should be pointed out that for those of ordinary skill in the art, several improvements and refinements made without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A clothes processing device, comprising a drum, an air supply device for supplying air into the drum, and a motor for driving the drum to rotate, wherein the air supply device comprises a fan drivingly connected to the motor, and characterized in that: A gear box is provided between the output shaft of the motor and the transmission shaft of the fan, the gear box comprising a box body, a driving gear assembly and a transmission gear assembly rotatably connected in the box body, and a clutch gear assembly movably connected in the box body, the driving gear assembly is connected to the transmission shaft, the transmission gear assembly is meshed with the driving gear assembly, the clutch gear assembly is connected to the output shaft, and when the output shaft rotates forward, the clutch gear assembly is meshed with the driving gear assembly to drive the driving gear assembly to rotate forward; When the output shaft rotates reversely, the clutch gear assembly moves axially to mesh with the transmission gear assembly, so as to drive the driving gear assembly to rotate forwardly through the transmission gear assembly.

2. A clothes processing device according to claim 1, characterized in that: The driving gear assembly includes a first driving gear for meshing with the clutch gear assembly, a second driving gear for meshing with the transmission gear assembly, and a first rotating shaft connected to the transmission shaft, and the first driving gear and the second driving gear are linked via the first rotating shaft.

3. A clothes processing device according to claim 2, characterized in that: An outer diameter of the first driving gear is smaller than an outer diameter of the second driving gear.

4. A clothes processing device according to claim 1, 2 or 3, characterized in that: The transmission gear assembly includes a first transmission gear for meshing with the clutch gear assembly, a second transmission gear for meshing with the driving gear assembly, and a second rotating shaft, and the first transmission gear and the second transmission gear are linked via the second rotating shaft.

5. The clothes processing device according to claim 1, characterized in that: The clutch gear assembly includes a clutch gear and a third rotating shaft linked to the clutch gear. One of the third rotating shaft and the output shaft is provided with a mounting groove, and the other one is provided with a mounting portion, and the mounting portion is movably connected in the mounting groove.

6. A clothes processing device according to claim 5, characterized in that: A sliding groove extending in a spiral direction is arranged on the inner side wall of the installation groove, and a sliding protrusion is arranged on the outer side wall of the installation portion. The sliding protrusion is slidably connected in the sliding groove.

7. The clothes processing device according to claim 5, characterized in that: An inner wall of the mounting groove is provided with an internal thread, and an outer wall of the mounting portion is provided with an external thread. The internal thread cooperates with the external thread so that the mounting groove is threadedly connected with the mounting portion.

8. A clothes processing device according to claim 6 or 7, characterized in that: A first limiting protrusion is provided on the inner wall of the mounting groove, and a second limiting protrusion is provided on the outer wall of the mounting portion. When the clutch gear assembly is meshed with the transmission gear assembly, the first limiting protrusion and the second limiting protrusion prevent the third rotating shaft and the output shaft from disengaging through abutment.

9. A clothes processing device according to claim 6 or 7, characterized in that: When the clutch gear assembly is meshed with the transmission gear assembly, one end of the third rotating shaft away from the output shaft abuts against the inner wall of the box body to prevent the third rotating shaft from being disengaged from the output shaft.

10. The clothes processing device according to claim 5, characterized in that: An elastic reset member is disposed in the housing, and the elastic reset member respectively abuts against the housing and one end of the third rotating shaft away from the output shaft, so as to push the clutch gear assembly to engage with the driving gear assembly when the output shaft changes from reverse rotation to forward rotation.

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