A wheel assembly, moisture absorption and dehumidification module and electrical equipment

Abstract

The present application belongs to the technical field of electrical equipment, and specifically relates to a wheel assembly, a moisture absorption and dehumidification module, and an electrical equipment, aiming to solve the technical problem that the wheel assembly has a complex structure and is difficult to assemble to at least a certain extent. The wheel assembly includes a first clamp, a wheel disc, and a second clamp. The first clamp has a positioning portion and a guide portion. The positioning portion extends toward the periphery of the first clamp. The guide portion is arranged at an end of the first clamp away from the positioning portion. The wheel disc is sleeved on the first clamp through the guide portion and is seated on the positioning portion. The second clamp is connected to the guide portion of the first clamp. The second clamp is provided with a limiting portion extending toward the periphery of the second clamp. The limiting portion is pressed on the wheel disc to fix the wheel disc.

Description

Technical Field

[0001] The present application belongs to the technical field of electrical equipment, and specifically relates to a wheel assembly, a moisture absorption and dehumidification module, and electrical equipment. Background Art

[0002] In the related art, the wheel assembly used in the moisture absorption and dehumidification module of a clothing processing device such as a dryer or a washer-dryer has the technical problem of complex structure and difficult assembly. Summary of the invention

[0003] The present application provides a wheel assembly, a moisture absorption and dehumidification module and an electrical device, aiming to solve the technical problem that the wheel assembly has a complex structure and is difficult to assemble to at least a certain extent.

[0004] In a first aspect of the present application, a roulette assembly is provided, comprising: a first clamp having a positioning portion and a guide portion, the positioning portion extending toward the periphery of the first clamp, and the guide portion being disposed at an end of the first clamp away from the positioning portion; a roulette wheel, which is sleeved on the first clamp through the guide portion and seated on the positioning portion; a second clamp connected to the guide portion of the first clamp, the second clamp being provided with a limiting portion extending toward the outer peripheral surface of the second clamp, the limiting portion being pressed onto the roulette wheel to fix the roulette wheel.

[0005] The roulette assembly provided by the present application has a first clamp having a positioning portion and a guide portion, the positioning portion extends toward the periphery of the first clamp, the guide portion is arranged at an end of the first clamp away from the positioning portion, and the roulette wheel is sleeved on the first clamp through the guide portion of the first clamp so that the roulette wheel is seated and positioned on the positioning portion of the first clamp; since the second clamp is connected to the guide portion of the first clamp, the second clamp is provided with a limiting portion extending toward the side wall of the supporting cavity, and the limiting portion is pressed onto the roulette wheel, so that the roulette wheel can be fixed between the positioning portion and the limiting portion, so that the roulette wheel can be quickly assembled, the structure is simple, and it is convenient and fast, thereby improving the assembly efficiency.

[0006] In some embodiments, a plurality of first protrusions are spaced apart from each other on the limiting portion and / or the positioning portion, and at least part of the plurality of first protrusions is in contact with the wheel disc.

[0007] In some embodiments, the first protrusion has a curved surface, and the wheel disc is in contact with the curved surface of the first protrusion and the curved surface of the wheel disc.

[0008] In some embodiments, the guide portions of the second clamp and the first clamp are snap-connected.

[0009] In some embodiments, a first clamp is provided on the second clamp, and a first clamping portion is provided on the first clamp; a first buckle is provided on the guide portion, and the first buckle and the first clamping portion are provided correspondingly, and the first buckle is clamped in the corresponding first clamping portion.

[0010] In some embodiments, the first buckle is disposed on the peripheral side of the guide segment, and the first clamping member is gap-assembled on the outer side of the peripheral body of the guide portion.

[0011] In some embodiments, the first clamping member is an integral structure disposed on the outer side of the guide portion; or, the first clamping member includes a plurality of monomer structures disposed at intervals on the outer side of the guide portion.

[0012] In some embodiments, under the condition that the first clamping member includes a plurality of monomer structures spaced apart on the outside of the guide portion, at least two guide members are also arranged on the outside of the guide portion, the first buckle is arranged between two adjacent guide members, and the first clamping member can move between the two adjacent guide members.

[0013] In some embodiments, the guide member extends around the circumference of the positioning portion.

[0014] In some embodiments, the wheel assembly further includes: a support member, the gap of which is arranged outside the first clamp and connected to the positioning portion of the first clamp, and the second clamp is supported on the support member.

[0015] In some embodiments, the guide portion of the first clamp protrudes from the support member; the second clamp is provided with a support portion, the support portion gap is provided at the outer side of the guide portion and is supported on the support member.

[0016] In some embodiments, the wheel assembly further includes: a plurality of connecting members, which are spaced apart between the supporting member and the first clamp, and the connecting members are connected to the second clamp.

[0017] In some embodiments, the second fixture is provided with a connecting portion, and the connecting portion is connected to the plurality of connecting members.

[0018] In some embodiments, the roulette assembly further includes: a supporting shell provided with an accommodating cavity, the roulette wheel being disposed in the accommodating cavity, wherein the supporting shell includes a first shell and a second shell that are detachably connected, a supporting portion being provided on the inner side of the first shell, the supporting portion and the positioning portion being disposed at the same end of the accommodating cavity, a pressing portion being provided on the inner side of the second shell, the pressing portion and the limiting portion being disposed at the same end of the accommodating cavity, and the roulette wheel being disposed between the pressing portion and the supporting portion.

[0019] In some embodiments, the first shell and the second shell are snap-connected.

[0020] In some embodiments, the second shell is provided with a plurality of mounting grooves at intervals, the opening side of the mounting groove faces the first shell, and a second clip is provided on the side wall of the mounting groove; the first shell is provided with a plurality of second clip connectors corresponding to the mounting grooves, and a second clip connector is provided on the second clip connector, the second clip connector can enter the corresponding mounting groove through the opening side of the corresponding mounting groove, and the second clip connector on the second clip connector is clipped on the second clip.

[0021] In some embodiments, the second shell is provided with a positioning groove, and the first shell is provided with a positioning protrusion, and the positioning protrusion is inserted into the positioning groove.

[0022] In some embodiments, the positioning groove and the installation groove are arranged at intervals on the same circumferential surface of the accommodating cavity.

[0023] In some embodiments, a plurality of second protrusions are spaced apart from each other on the pressing portion and / or the supporting portion, and at least a portion of the plurality of second protrusions is in contact with the wheel disc.

[0024] In some embodiments, the second protrusion is provided with a curved surface, and the wheel disc is in contact with the curved surface of the second protrusion.

[0025] In some embodiments, the first clamp and the supporting shell are disposed separately.

[0026] In a second aspect of the present application, the present application further provides a moisture absorption and dehumidification module, the moisture absorption and dehumidification module comprises the above-mentioned wheel disc assembly and a shell, and the wheel disc assembly is rotatably disposed in the shell.

[0027] The moisture absorption and dehumidification module provided in the present application can quickly assemble the wheel into the supporting shell, has a simple structure, is convenient and fast, and improves assembly efficiency.

[0028] In a third aspect of the present application, the present application further provides an electrical device, which includes the above-mentioned moisture absorption and dehumidification module.

[0029] The electrical equipment provided in the present application can quickly assemble the wheel into the supporting shell, has a simple structure, is convenient and fast, and improves assembly efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0031] Figure 1 A schematic diagram of the structure of a wheel disc assembly in some embodiments is shown;

[0032] Figure 2 Shows Figure 1 Explosion diagram of

[0033] Figure 3 Shows Figure 1 A schematic structural diagram of the first clamp in FIG.

[0034] Figure 4 Shows Figure 1 Another perspective of the structure diagram

[0035] Figure 5 Shows Figure 1 A schematic diagram of the structure of the second clamp in FIG.

[0036] Figure 6 shows a schematic diagram of assembling the second clamp and the first clamp;

[0037] Figure 7 Shows Figure 2 A schematic structural diagram of the first shell in FIG.

[0038] Figure 8 Shows Figure 2 A schematic diagram of the structure of the second shell in FIG.

[0039] Fig. 9 Shows Figure 8 A is an enlarged schematic diagram;

[0040] Fig.10 Shows Figure 7 The enlarged schematic diagram of point B in FIG.

[0041] Fig.11 A schematic diagram of assembling the second clamping member and the second buckle is shown;

[0042] Fig.12 Shows Figure 8The enlarged schematic diagram is shown in Figure 2.

[0043] Description of reference numerals:

[0044] Support shell 1, accommodating cavity 11, first shell 12, supporting portion 121, second clamping member 122, second clamping portion 123, positioning protrusion 124, second shell 13, holding portion 131, mounting groove 132, second buckle 133, positioning groove 134, gear ring 135, second protrusion 14;

[0045] The first clamp-2, the positioning part-21, the guide part-22, the first buckle-221, the guide member-23;

[0046] Roulette - 3;

[0047] The second clamp 4, the limiting portion 41, the first protrusion 42, the first clamping piece 43, the first clamping portion 431, the reinforcing rib 44, the supporting portion 45, and the connecting portion 46;

[0048] Support-5;

[0049] Connectors-6. DETAILED DESCRIPTION

[0050] In order to make the technical personnel in the technical field to which the present application belongs to understand the present application more clearly, the technical scheme in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0051] In a washing and drying machine, a heating module and a moisture absorption and dehumidification module are provided. The moisture absorption and dehumidification module can absorb the water vapor in the drum to complete the washing of clothes. The heating module provides heat energy to the moisture absorption and dehumidification module, which can desorb the water vapor adsorbed by the moisture absorption and dehumidification component. Such a cycle can dry the clothes in the clothing processing device.

[0052] The moisture absorption and dehumidification module includes a wheel assembly and a shell for accommodating the wheel assembly. The wheel assembly is rotatably arranged in the shell. Two or more pairs of partition ribs are arranged on the inner walls of the upper and lower end surfaces of the shell to divide the internal space of the shell into a moisture absorption area and a dehumidification area. When the wheel assembly rotates in the shell, the water vapor absorbed by the moisture absorption area is absorbed by the wheel assembly, so that the wheel assembly outputs a dry airflow, and the dry airflow is transported to the drum through the dehumidification area. For details, please refer to the technical solution disclosed in the patent document with application number "202222327022.1" and application name "washer-dryer".

[0053] In the related art, the wheel assembly has the technical problem of complex structure and difficult assembly. In order to solve the above technical problem, in the first aspect of the present application, the present application provides a wheel assembly to simplify the assembly method and improve the assembly efficiency.

[0054] Figure 1 shows a schematic structural diagram of a wheel disc assembly in some embodiments, Figure 2 Shows Figure 1 Schematic diagram of the explosion, Figure 3 Shows Figure 1 The schematic diagram of the structure of the first fixture in FIG. Figure 4 Shows Figure 1 A structural diagram from another perspective, Figure 5 Shows Figure 1 Schematic diagram of the structure of the second clamp. Figure 1-Figure 5 The roulette assembly includes a supporting shell 1, a first clamp 2, a roulette 3 and a second clamp 4. The supporting shell 1 is provided with a accommodating cavity 11. The first clamp 2 is arranged at the center of the accommodating cavity 11. The first clamp 2 has a positioning portion 21 and a guide portion 22. The positioning portion 21 extends toward the periphery of the first clamp 2. The guide portion 22 is arranged at an end of the first clamp 2 away from the positioning portion 21. The roulette 3 is sleeved on the first clamp 2 through the guide portion 22 of the first clamp 2 to be arranged in the accommodating cavity 11 and seated on the positioning portion 21 of the first clamp 2; the second clamp 4 is connected to the guide portion 22 of the first clamp 2. The second clamp 4 is provided with a limiting portion 41 extending toward the periphery of the second clamp 4. The limiting portion 41 is pressed on the roulette 3 to fix the roulette 3.

[0055] The roulette assembly provided in the present application has a first clamp 2 having a positioning portion 21 and a guide portion 22, the positioning portion 21 extending toward the periphery of the first clamp 2, the guide portion 22 being arranged at an end of the first clamp 2 away from the positioning portion 21, the roulette 3 is sleeved on the first clamp 2 through the guide portion 22 of the first clamp 2, and is located and positioned on the positioning portion 21 of the first clamp 2, thereby the roulette 3 can be positioned in the accommodating cavity 11; since the second clamp 4 is connected to the guide portion 22 of the first clamp 2, the second clamp 4 is provided with a limiting portion 41 extending toward the periphery of the second clamp 4, the limiting portion 41 is pressed onto the roulette 3, thereby the roulette 3 can be fixed between the positioning portion 21 and the limiting portion 41, so that the roulette 3 can be quickly assembled, the structure is simple, and it is convenient and fast, thereby improving the assembly efficiency.

[0056] The following will be combined Figure 3-Figure 6 The assembly of the first clamp and the second clamp of the wheel assembly of the present application is further described.

[0057] Combination Figure 3 as well as Figure 4, the first clamp 2 can be a hollow columnar structure, the interior of which is rotatably connected to a rotating shaft (not shown in the figure) so that the supporting shell 1 can rotate around the rotating shaft under the drive of power. The bottom end of the first clamp 2 can be configured as a positioning portion 21, and the positioning portion 21 can be an annular structure integrally formed on the outer side of the bottom of the first clamp 2 to support the inner side of the circumference of the wheel disc 3. The scheme of arranging the positioning portion 21 on the outer side of the bottom of the first clamp 2 can reduce the axial size of the first clamp 2 to reduce the space it occupies. According to another embodiment of the present application, the positioning portion 21 can also be integrally formed in the middle of the outer side of the first clamp 2.

[0058] Combination Figure 5 The second clamp 4 can be a ring-shaped structure, a portion of which is detachably connected to the guide portion 22 of the first clamp 2. The second clamp 4 has a portion protruding from the guide portion 22 of the first clamp 2, and the portion can be configured as a limiting portion 41. The limiting portion 41 is pressed on the inner circumferential surface of the wheel disc 3, and cooperates with the positioning portion 21 to fix the inner side of the circumferential surface of the wheel disc 3 in the accommodating cavity 11.

[0059] Combination Figure 5 According to one embodiment of the present application, a plurality of first protrusions 42 may be arranged at intervals on the limiting portion 41, and at least part of the plurality of first protrusions 42 may be in contact with the wheel disc 3, so as to reduce the contact area between the limiting portion 41 and the wheel disc 3, so as to reduce the wear of the wheel disc 3 to a certain extent and improve the service life of the wheel disc 3. The portion where the first protrusion 42 contacts the wheel disc 3 is preferably arc-shaped, for example, the first protrusion 42 may be hemispherical, so that the second protrusion 14 contacts the arc surface of the wheel disc 3. According to another embodiment of the present application, a plurality of first protrusions 42 may be arranged at intervals on the positioning portion 21, or a plurality of first protrusions 42 in contact with the wheel disc 3 may be arranged at intervals on both the limiting portion 41 and the positioning portion 21.

[0060] Figure 6 FIG. 1 shows a schematic diagram of assembling the second clamp and the first clamp. Figure 6 The second clamp 4 and the guide portion 22 of the first clamp 2 are connected by snapping to achieve a detachable connection between the second clamp 4 and the guide portion 22 of the first clamp 2. Figure 3-Figure 12 The clamping method of the second clamp 4 and the first clamp 2 is further described.

[0061] Combination Figure 3-Figure 6 A first clip 221 is provided on the guide portion 22, a first clamping member 43 is provided on the second clamp 4, a first clamping portion 431 is provided on the first clamping member 43, the first clip 221 and the first clamping portion 431 are provided in a one-to-one correspondence, the first clip 221 is clamped in the corresponding first clamping portion 431, so that the second clamp 4 is assembled on the guide portion 22 of the first clamp 2.

[0062] Combination Figure 3 as well as Figure 4 The first buckle 221 can be disposed on the peripheral side of the guide portion 22. For example, the first buckle 221 is a protrusion integrally formed on the peripheral side of the guide portion 22. Figure 5 The first clamping member 43 is loosely assembled on the outer side of the guide portion 22, and the first clamping portion 431 may be a hole-shaped structure. When the first clamping member 43 is mounted on the guide portion 22, the first clip 221 is clamped into the first clip 431 through the opening side of the first clip 431. According to another embodiment of the present application, the first clip 431 may also be a groove-shaped structure, and the opening side of the groove-shaped structure faces the first clip 221, and the first clip 221 may enter the first clip 431 through the opening side of the groove-shaped structure.

[0063] Combination Figure 5 According to one embodiment of the present application, the first clamping member 43 may include a plurality of monomer structures spaced apart on the outside of the guide portion 22, and the plurality of monomer structures may be integrally connected to the bottom of the edge of the center hole of the second clamp 4, and each monomer structure is provided with a first clamping portion 431, and the first clip 221 and the first clamping member 43 are arranged one-to-one, and each first clip 221 is clamped in the first clamping portion 431 on the corresponding first clamping member 43; or, each monomer structure is provided with more than two first clamping portions 431, and the first clip 221 and the first clamping portions 431 are arranged one-to-one, and more than two first clamping portions 431 on each monomer structure are clamped with the corresponding first clip 221. According to another embodiment of the present application, the first clamping member 43 may also be an integral structure arranged on the outer side of the guide portion 22, and the integral structure may be integrally connected to the bottom of the edge of the center hole of the second clamp 4, and a plurality of first clamping portions 431 are arranged on the integral structure, and the first clips 221 and the first clamping portions 431 are arranged one by one, and the plurality of first clamping portions 431 on the integral structure are clamped with the corresponding first clips 221.

[0064] Combination Figure 5 Under the condition that the first clip 43 includes a plurality of spaced-apart monomer structures, a reinforcing rib 44 is provided between the tops of adjacent first clips 43 , and the reinforcing rib 44 is integrally formed at the bottom of the second clamp 4 to enhance the reliability of the connection of the first clip 43 at the bottom of the second clamp 4 .

[0065] Combination Figure 3 as well as Figure 4Under the condition that the first clamping member 43 includes a plurality of spaced-apart monomer structures, at least two guide members 23 are further provided on the outer side of the guide portion 22, and the first buckle 221 is provided between two adjacent guide members 23, and the first clamping member 43 can move along the axial direction of the first clamp 2 between the two adjacent guide members 23. In the process of assembling the second clamp 4 on the guide portion 22 of the first clamp 2, the first clamping member 43 can move between the two guide members 23, so that the first clamping member 43 can be engaged with the corresponding first protrusion, so as to facilitate the assembly of the second clamp 4 on the guide portion 22 of the first clamp 2.

[0066] According to one embodiment of the present application, the guide member 23 may be a protruding structure integrally formed on the guide portion 22, and two guide members 23 are provided on both circumferential sides of each first buckle 221. According to another embodiment of the present application, guide members 23 may also be provided on only two circumferential sides of one first buckle 221, which is not limited here.

[0067] In addition, combined Figure 3 as well as Figure 4 The guide member 23 can extend to the periphery of the positioning portion 21 and be connected to the positioning portion 21 to enhance the strength of the first clamp 2 and improve its service life.

[0068] Combination Figure 3-Figure 6 The wheel assembly further includes a support member 5, which is loosely mounted on the outside of the first fixture 2 and connected to the positioning portion 21 of the first fixture 2, and the second fixture 4 is supported on the support member 5. Under the condition that the second fixture 4 is mounted on the guide portion 22 of the first fixture 2, the second fixture 4 is supported by the support member 5, and the center of the wheel 3 is sleeved on the circumferential surface of the support member 5, so as to improve the reliability of the connection between the second fixture 4 and the first fixture 2.

[0069] Combine 3 and Figure 4 The support member 5 may be a ring-shaped structure with a gap disposed outside the first fixture 2, which may be integrally formed on the top of the positioning portion 21, and the guide portion 22 of the first fixture 2 protrudes from the support member 5. Figure 5 A support portion 45 is provided at the bottom of the second clamp 4. The support portion 45 can be an annular structure integrally formed at the bottom of the second clamp 4 and is gap-disposed on the outside of the guide portion 22. The first clamping member 43 is disposed on the inner side of the support portion 45. The first protrusion 42 is disposed on the outer side of the support portion 45. The support portion 45 can be detachably supported by the support member 5.

[0070] Combination Figure 3-Figure 5In order to improve the firmness of the assembly of the second clamp 4 and the first clamp 2, the wheel assembly of the present application may also include a plurality of connectors 6. The second clamp 4 and the connectors 6 may be detachably connected by screws and other components to further fix the second clamp 4 to the first clamp 2 to further fix the turntable.

[0071] Combination Figure 3 as well as Figure 4 In a specific implementation, the connecting member 6 may be a columnar structure, which may be integrally formed on the top of the positioning portion 21. The two sides of the connecting member 6 are respectively connected to the supporting member 5 and the first clamp 2 to further improve the reliability of the connecting member 6 on the positioning portion 21. A bolt hole may be provided on the top of the connecting member 6. Figure 5 A connecting portion 46 may be provided at the bottom of the second clamp 4 , and the connecting portion 46 may be connected to a plurality of connecting members 6 via bolts to achieve a detachable connection between the second clamp 4 and the connecting members 6 .

[0072] Combination Figure 5 According to one embodiment of the present application, the connection part 46 may include a plurality of monomer structures arranged at intervals at the bottom of the second clamp 4, that is, a plurality of connection parts 46 are provided, each connection part 46 may be a columnar structure integrally formed at the bottom of the second clamp 4, the connection parts 46 and the connecting members 6 are arranged one by one, and each connection part 46 is provided with a threaded through hole, so that the corresponding connection part 46 is docked and connected with the connecting member 6 by bolts. According to another embodiment of the present application, the connection part 46 may also be a monomer structure arranged at the bottom of the second clamp 4, that is, only one connection part 46 is provided, and the connection part 46 may be an annular structure integrally formed at the bottom of the second clamp 4, and the connection part 46 is provided with bolt through holes corresponding to the connecting members 6 one by one, so that the connection part 46 is docked and connected with multiple connecting members 6 by bolts.

[0073] In addition, combined Figure 5 Both sides of the connection part 46 can be connected to the support part 45 and the reinforcing rib 44 to improve the installation strength of the connection part 46.

[0074] It should be noted that the detachable connection between the connecting portion 46 and the connecting member 6 is an optional solution. If the mass and size of the roulette wheel 3 are small, the detachable connection between the connecting portion 46 and the connecting member 6 may not be provided. If the mass and size of the roulette wheel 3 are large, the detachable connection between the connecting portion 46 and the connecting member 6 may be provided to improve the firmness of the assembly of the roulette wheel 3.

[0075] The following will be combined Figure 2 , Figure 7-Figure 12 The assembly of the support shell of the wheel assembly of the present application is further explained.

[0076] Combination Figure 2The supporting shell 1 of the embodiment of the present application includes a first shell 12 and a second shell 13 that are detachably connected. The first shell 12 and the second shell 13 can both be annular structures. When the first shell 12 and the second shell 13 are assembled, a columnar accommodating chamber 11 can be constructed. When the roulette assembly is assembled on the corresponding clothing processing equipment, the roulette assembly is mostly arranged in a horizontal direction or a nearly horizontal direction. The second shell 13 is arranged above the first shell 12. The outer peripheral surface of the second shell 13 is provided with a gear ring 135 that matches the power part, so that the supporting shell 1 and the roulette 2 can rotate under the drive of the power part. In other embodiments, the roulette assembly can also be arranged tilted to the horizontal direction, which is not limited here.

[0077] Figure 7 Shows Figure 2 Schematic diagram of the structure of the first shell. Figure 7 A supporting portion 121 is disposed on the inner side of the first shell 12 . The supporting portion 121 and the positioning portion 21 are disposed at the same end of the accommodating cavity 11 . The supporting portion 121 and the positioning portion 21 are configured to form a bearing portion for loading the wheel disc 3 .

[0078] Figure 8 Shows Figure 2 Schematic diagram of the structure of the second shell. Figure 8 A holding portion 131 is provided on the inner side of the second housing 13. The holding portion 131 and the limiting portion 41 are provided at the same end of the accommodating cavity 11. The holding portion 131 and the limiting portion 41 are configured as a clamping portion for fixing the outer side of the circumference of the wheel disc 3. The wheel disc 3 is provided between the holding portion 131 and the supporting portion 121. When assembling, the wheel disc 3 can be positioned on the supporting portion 121 in the first housing 12 first, and then the second housing 13 is connected to the first housing 12, so that the wheel disc 3 can be clamped between the holding portion 131 and the supporting portion 121 to position the wheel disc 3 in the accommodating cavity 11.

[0079] Combination Figure 7 as well as Figure 8 According to one embodiment of the present application, the supporting portion 121 may be an annular structure, which is integrally formed at the bottom of the inner side of the first shell 12, and the holding portion 131 may also be an annular structure, which is integrally formed at the top of the inner side of the second shell 13. The scheme of arranging the supporting portion 121 at the bottom of the first shell 12 and the holding portion 131 at the top of the second shell 13 can reduce the axial dimension of the wheel assembly to reduce the space it occupies. According to another embodiment of the present application, the supporting portion 121 may also be integrally formed at the middle of the inner side of the first shell 12, and the holding portion 131 may be integrally formed at the middle of the inner side of the second shell 13.

[0080] In order to realize the detachable connection between the first shell 12 and the second shell 13, the first shell 12 and the second shell 13 can be connected by a snap-fitting manner. Figure 9-12 The clamping method of the first shell 12 and the second shell 13 is further described.

[0081] Fig. 9 Shows Figure 8 A in the figure is enlarged. Fig. 9 A plurality of mounting grooves 132 are arranged at intervals at the bottom of the second shell 13 , and the opening side of the mounting groove 132 faces the first shell 12 , that is, the opening side of the mounting groove 132 faces downward, and a second buckle 133 is arranged on the side wall of the mounting groove 132 . Fig.10 Shows Figure 7 The enlarged schematic diagram of B in FIG. Fig.10 A plurality of second clips 122 are disposed on the top of the first housing 12. The second clips 122 and the mounting grooves 132 are disposed one by one. The second clips 122 are disposed with second clip portions 123. The second clips 122 can enter the corresponding mounting grooves 132 through the opening side of the corresponding mounting grooves 132. The second clip portions 123 on the second clips 122 are clipped onto the second buckles 133 to form Fig.11 Assembly state shown.

[0082] Combination Fig. 9 According to an embodiment of the present application, the second buckle 133 may be a protrusion disposed on the side wall of the mounting groove 132, and the inner side of the mounting groove 132 may be open to facilitate the assembly of the second clamping member 122 in the mounting groove 132. Figure 9-11 The second clamping portion 123 may be a hole-shaped structure. When the second housing 13 is placed on the first housing 12, the second clamping portion 123 is inserted into the corresponding mounting groove 132, and the second clamping portion 123 on the second clamping member 122 is clamped on the second buckle 133. According to another embodiment of the present application, the second clamping portion 123 may also be a groove-shaped structure, the opening side of the groove-shaped structure faces the second buckle 133, and the second buckle 133 may enter the second clamping portion 123 through the opening side of the groove-shaped structure.

[0083] Combination Fig. 9According to one embodiment of the present application, a second buckle 133 may be provided on the side wall of the mounting groove 132. According to another embodiment of the present application, more second buckles 133 may be provided on the side wall of the mounting groove 132, such as two, three, etc. Under the condition that two second buckles 133 are provided, the two second buckles 133 may be provided on two opposite side walls of the mounting groove 132, and the second clamping member 122 clamped with the second buckle 133 may be assembled between the two second buckles 133. The second clamping portion 123 on the second clamping member 122 is a hole-shaped structure, and the two second buckles 133 are clamped in the second clamping member 122 through the two opening sides of the hole-shaped structure, respectively, so as to connect the two second buckles 133 through one second clamping member 122.

[0084] Combination Fig. 9 as well as Fig.10 The bottom of the second housing 13 is provided with a positioning groove 134, and the first housing 12 is provided with a positioning protrusion 124, which is inserted into the positioning groove 134 to position the second housing 13 on the first housing 12. In the process of positioning the second housing 13 on the first housing 12, the second clamping portion 123 is inserted into the corresponding mounting groove 132, and the second clamping portion 123 on the second clamping member 122 is clamped on the second buckle 133 to fix the second housing 13 with the first housing 12.

[0085] Combination Fig. 9 as well as Fig.10 According to an embodiment of the present application, the positioning groove 134 and the mounting groove 132 are arranged at intervals on the same circumference of the accommodating cavity 11, and a plurality of the positioning grooves 134 and the mounting grooves 132 are arranged at intervals around the circumference of the accommodating cavity 11; accordingly, the positioning protrusions 124 and the second clamping member 122 are also arranged at intervals on the same circumference of the accommodating cavity 11, and a plurality of the positioning protrusions 124 and the second clamping member 122 are arranged at intervals around the circumference of the accommodating cavity 11. The circumferences of the positioning groove 134 and the matching positioning protrusion 124 are relatively long, and the circumferences of the mounting groove 132 and the second clamping member 122 are relatively long, so that the positioning protrusion 124 and the second clamping member 122 can be distinguished. Under the condition that the mounting groove 132 on the second housing 13 is aligned with the second clamping member 122, the second housing 13 is pressed down, and the positioning protrusion 124 and the second clamping member 122 can be synchronously inserted into the corresponding positioning groove 134 and the mounting groove 132, which is convenient and quick, and can improve the assembly efficiency of the supporting housing 1. According to another embodiment of the present application, a plurality of positioning grooves 134 and a plurality of positioning protrusions 124 can be arranged on a circumferential surface of the accommodating cavity 11, and a plurality of mounting grooves 132 and a plurality of second clips 122 are arranged at intervals on another circumferential surface of the accommodating cavity 11. Under this condition, it is necessary to expand the radial dimensions of the first shell 12 and the second shell 13, which is an alternative solution.

[0086] Combination Fig.10 According to one embodiment of the present application, a plurality of second protrusions 14 may be provided at intervals on the supporting portion 121, and at least part of the plurality of second protrusions 14 may contact the wheel disc 3, so as to reduce the contact area between the supporting portion 121 and the wheel disc 3, so as to reduce the degree of wear of the wheel disc 3 to a certain extent, and to increase the service life of the wheel disc 3. The portion where the second protrusion 14 contacts the wheel disc 3 is preferably arc-shaped, for example, the second protrusion 14 may be hemispherical, so that the second protrusion 14 contacts the arc surface of the wheel disc 3. According to another embodiment of the present application, a plurality of second protrusions 14 may also be provided at intervals on the holding portion 131 ( Fig.12 Alternatively, a plurality of second protrusions 14 in contact with the wheel disc 3 are spaced apart on the pressing portion 131 and the supporting portion 121.

[0087] According to one embodiment of the present application, the first clamp 2 and the support shell 1 are separately arranged, that is, there is no connection between the first clamp 2 and the support shell 1, so as to eliminate the retaining ribs used to support the wheel disc 3 arranged at the bottom of the first clamp 2 and the bottom of the support shell 1 in the related art. This is because the retaining ribs have high requirements on the temperature resistance of the material and will generate friction with the wheel disc 3. The solution of separating the first clamp 2 and the support shell 1 can reduce the manufacturing cost of the retaining ribs and increase the service life of the wheel disc 3. According to another embodiment of the present application, the retaining ribs in the related art can also be arranged between the first clamp 2 and the support shell 1.

[0088] The transfer process of the roulette assembly provided in the present application is as follows: the middle part of the roulette wheel 3 is mounted to the outer side of the support member 5 to preliminarily position the roulette wheel 3; then the second clamp 4 is assembled to the first clamp 2 to clamp the roulette wheel 3 through the limiting portion 41 of the second clamp 4 and the first clamp 2, so that the roulette wheel 3 is fixed on the first clamp 2; then the first shell 12 of the support shell 1 is assembled to the periphery of the roulette wheel 3, and the second shell 13 of the support shell 1 is assembled to the first shell 12, thereby completing the assembly of the roulette assembly. The operation is simple, convenient and fast, thereby improving the assembly efficiency of the roulette assembly.

[0089] In a second aspect of the present application, the present application further provides a moisture absorption and dehumidification module, which includes the above-mentioned wheel assembly and a shell, and the wheel assembly is rotatably disposed in the shell.

[0090] The moisture absorption and dehumidification module provided in the present application can quickly assemble the wheel 3 into the supporting shell 1, has a simple structure, is convenient and fast, and improves assembly efficiency.

[0091] The assembly of the wheel assembly in the moisture absorption and dehumidification module can refer to the technical solution disclosed in the patent document with application number "202222327022.1" and application name "washer-dryer", which will not be elaborated here.

[0092] In a third aspect of the present application, the present application further provides an electrical device, which includes the above-mentioned moisture absorption and dehumidification module.

[0093] The electrical device provided in the present application can quickly assemble the wheel disc 3 into the supporting shell 1, has a simple structure, is convenient and fast, improves assembly efficiency, and has good practicality.

[0094] The electrical appliance may be a clothing processing device such as a washer-dryer or a clothes dryer, or may be a dehumidifier, a dishwasher or other electrical appliance that requires dehumidification, and no limitation is made here.

[0095] In the present application, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0096] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise" and "counterclockwise" indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0097] In this application, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" 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, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0098] In addition, the descriptions of "first", "second", etc. in this application are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0099] Although the embodiments of the present application have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present application, and that the scope of the present application is defined by the claims and their equivalents.

Claims

1. A wheel assembly, characterized in that: The wheel disc assembly comprises: A first clamp having a positioning portion and a guide portion, wherein the positioning portion extends toward the outer periphery of the first clamp, and the guide portion is disposed at an end of the first clamp away from the positioning portion; A wheel disc, sleeved on the first fixture through the guide portion and seated on the positioning portion; The second clamp is connected to the guide portion of the first clamp, and the second clamp is provided with a limiting portion extending toward the outer peripheral surface of the second clamp, and the limiting portion is pressed on the wheel disc to fix the wheel disc.

2. The wheel assembly according to claim 1, characterized in that: A plurality of first protrusions are arranged at intervals on the limiting portion and / or the positioning portion, and at least parts of the plurality of first protrusions are in contact with the wheel disc.

3. The wheel assembly according to claim 2, characterized in that: The first convex portion has a curved surface, and the wheel disc contacts the curved surface of the first convex portion.

4. The wheel assembly according to any one of claims 1 to 3, characterized in that: The second clamp is connected to the guide portion of the first clamp by snapping.

5. The wheel assembly according to claim 4, characterized in that: The second clamp is provided with a first clamping piece, and the first clamping piece is provided with a first clamping portion; The guide portion is provided with a first buckle, the first buckle and the first clamping portion are provided correspondingly, and the first buckle is clamped in the corresponding first clamping portion.

6. The wheel assembly according to claim 5, characterized in that: The first buckle is arranged on the peripheral side of the guide portion, and the first clamping member is loosely assembled on the outer side of the peripheral body of the guide portion.

7. The wheel assembly according to claim 6, characterized in that: The first clamping member is an integral structure arranged on the outer side of the guide portion; or, the first clamping member includes a plurality of monomer structures arranged at intervals on the outer side of the guide portion.

8. The wheel assembly according to claim 7, characterized in that: Under the condition that the first clamping part includes a plurality of monomer structures arranged at intervals on the outside of the guide part, at least two guide parts are also arranged on the outside of the guide part, the first buckle is arranged between two adjacent guide parts, and the first clamping part can move between the two adjacent guide parts.

9. The wheel assembly according to claim 8, characterized in that: The guide member extends onto the positioning portion.

10. The wheel assembly according to any one of claims 1 to 3 and 5 to 9, characterized in that: The wheel disc assembly also includes: A support member is provided at a gap outside the first clamp and is connected to a positioning portion of the first clamp, and the second clamp is supported on the support member.

11. The wheel assembly according to claim 10, characterized in that: The guide portion of the first clamp protrudes from the support member; the second clamp is provided with a support portion, the support portion is gap-assembled on the outer side of the guide portion and supported on the support member.

12. The wheel assembly according to claim 10, characterized in that The wheel disc assembly also includes: A plurality of connecting members are arranged at intervals between the supporting member and the first clamp, and the connecting members are connected to the second clamp.

13. The wheel assembly according to claim 12, characterized in that The second clamp is provided with a connecting portion, and the connecting portion is connected to the plurality of connecting members.

14. The wheel assembly according to any one of claims 1-3, 5-9 and 11-13, characterized in that: The wheel disc assembly also includes: A supporting shell is provided with a accommodating cavity, and the wheel disc is arranged in the accommodating cavity, wherein the supporting shell includes a first shell and a second shell connected to each other, a supporting portion is provided on the inner side of the first shell, and the supporting portion and the positioning portion are arranged at the same end of the accommodating cavity, a pressing portion is provided on the inner side of the second shell, and the pressing portion and the limiting portion are arranged at the same end of the accommodating cavity, and the wheel disc is arranged between the pressing portion and the supporting portion.

15. The wheel assembly according to claim 14, characterized in that The first shell and the second shell are connected by snapping.

16. The wheel assembly according to claim 15, characterized in that The second shell is provided with a plurality of installation grooves at intervals, the opening side of the installation groove faces the first shell, and the side wall of the installation groove is provided with a second buckle; The first shell is provided with a plurality of second clamping members corresponding to the mounting grooves, and the second clamping members are provided with a second clamping portion. The second clamping members can enter the corresponding mounting groove through the opening side of the corresponding mounting groove, and the second clamping portion on the second clamping member is clamped on the second buckle.

17. The wheel assembly according to claim 16, characterized in that The second shell is provided with a positioning groove, and the first shell is provided with a positioning protrusion, and the positioning protrusion is inserted into the positioning groove.

18. The wheel assembly according to claim 17, characterized in that The positioning groove and the installation groove are arranged at intervals on the same circumferential surface of the accommodating cavity.

19. The wheel assembly according to claim 14, characterized in that A plurality of second protrusions are arranged at intervals on the pressing portion and / or the supporting portion, and at least parts of the plurality of second protrusions are in contact with the wheel disc.

20. The wheel assembly according to claim 19, characterized in that The second convex portion is provided with a curved surface, and the wheel disc is in contact with the curved surface of the second convex portion.

21. The wheel assembly according to claim 14, characterized in that The first clamp and the supporting shell are arranged separately.

22. A moisture absorption and dehumidification module, characterized in that: The moisture absorption and dehumidification module comprises the wheel assembly according to any one of claims 1 to 21 and a shell, and the wheel assembly is rotatably disposed in the shell.

23. An electrical device, characterized in that: The electrical equipment includes the moisture absorption and dehumidification module according to claim 22.

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