Miniature drum clothes dryer
By adopting a detachable filter mechanism on the front and rear sides of the tumble dryer, the problem of poor filtration effect on the rear side of the tumble dryer is solved, achieving better dust and mite removal effects, improving the ease of disassembly and assembly, and enhancing the user experience.
Patent Information
- Application Number
- CN202520578942.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-03-31
AI Technical Summary
The existing tumble dryers have poor rear filtration, which affects the dust and mite removal effect on clothes, and the disassembly and assembly structure is troublesome.
The filter mechanism is detachable on both the front and rear sides, including a front filter mechanism and a rear filter mechanism. It can be easily disassembled and assembled through a snap-fit and positioning structure to ensure the filtration effect of the front and rear sides of the drum.
It improves the overall filtration effect during the drying process, makes it easier to clean and replace the filter, and enhances the user experience.
Smart Images

Figure CN223921839U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of drum dryer technology, and more specifically, to a mini drum dryer. Background Technology
[0002] Existing tumble dryers feature a removable filter structure installed at the front air inlet. High-temperature, high-humidity air, along with lint from clothes, is filtered through the filter. When the filter is full, it can be removed for cleaning. However, the current front-mounted disassembly structure is cumbersome. Furthermore, during operation, lint accumulates not only at the front but also on the inner rear wall of the drum. This necessitates cleaning the inner rear wall after each use. If not cleaned promptly, this lint will adhere to the next load of clothes and may even remain inside the drum for extended periods, affecting the dryer's filtration efficiency and reducing its effectiveness in removing dust and mites from clothes. Utility Model Content
[0003] The technical problem this invention aims to solve is the poor filtration effect of the rear side of existing drum dryers, which affects the dust and mite removal of clothes. To overcome the above-mentioned defects of the prior art, this invention provides a filter mechanism with detachable filtration on both the front and rear sides. This not only ensures the filtration effect on the front side of the drum but also ensures the filtration effect on the rear side of the drum, further improving the overall filtration effect during the drying process. It is also easy to disassemble and assemble, improving the convenience of disassembly and assembly and greatly enhancing the user experience.
[0004] To achieve the purpose of this utility model, the following technical solution is adopted:
[0005] A miniature drum dryer includes a hollow outer shell, a drum, a front filter mechanism, and a rear filter mechanism. An end cap is provided on the front side of the outer shell. A clothes-taking opening communicating with the interior of the outer shell is provided in the center of the end cap. A door panel is hinged to one side of the front of the end cap, and the door panel is opened and closed by a latch to the other side of the front of the end cap. The drum is rotatably connected to the outer shell via a drum drive mechanism, and the inner cavity of the drum communicates with the clothes-taking opening. The front filter mechanism is detachably mounted on the end cap, and its rear side communicates with the inner cavity. The rear filter mechanism is detachably mounted on the rear inner wall of the drum, and its rear side communicates with the inner cavity. By employing detachable filter mechanisms on both the front and rear sides, the filtration effect of both the front and rear sides of the drum is ensured, further enhancing the timely removal of dust and mites from clothes during the drying process, achieving a better filtration effect. Furthermore, the detachable design of both the front and rear sides facilitates washing and replacement, further improving the ease of assembly and disassembly.
[0006] Preferably, the front filtration mechanism includes a first filter cover, a filter layer, and a second filter cover. The front side of the end cover has a rearwardly recessed filter mounting groove. The bottom of the filter mounting groove has a rearwardly penetrating filter mounting hole. The inner peripheral wall of the filter mounting hole has a protruding ring, with a first mounting step formed on the front side of the protruding ring and a second mounting step formed on the rear side of the protruding ring. The first filter cover is detachably mounted on the filter mounting groove via a snap-fit mechanism, limiting the filter layer between the first mounting step and the first filter cover. The first filter cover has a plurality of evenly distributed first filter mesh holes. The front side of the second filter cover has a mating boss. The mating boss is mounted on the second mounting step, and the outer peripheral wall of the second filter cover is fixedly connected to the interior of the outer shell. A plurality of evenly distributed second filter mesh holes are distributed in front of the mating boss, and these second filter mesh holes communicate with the inner cavity. This mechanism, with the second filter cover fixedly mounted on the second mounting step and the first filter cover being detachable, allows for the replacement or cleaning of the filter layer, facilitating better drying results in the next drying cycle.
[0007] Preferably, the upper left and right sides of the filter mounting groove are provided with first quick-release latches; the lower center of the filter mounting hole is provided with a second quick-release latch; the upper left and right sides of the rear side of the first filter cover are provided with first L-shaped locking blocks that mate with the first quick-release latches; the openings of the first L-shaped locking blocks are upward, and the vertical blocks of the first L-shaped locking blocks are provided with first guide slopes; the lower center of the rear side of the first filter cover is provided with a second L-shaped locking block that mates with the second quick-release latch, and the opening of the second L-shaped locking block is downward, and the vertical blocks of the second L-shaped locking block are provided with second guide slopes. The latches and L-shaped locking blocks work together to achieve a snap-fit connection, thus enabling easy disassembly and assembly while ensuring a secure connection.
[0008] Preferably, the inner wall of the rear side of the roller has a rearwardly recessed roller groove in the middle; a forward-protruding roller positioning protrusion is provided at the center of the bottom of the roller groove, and at least one screen plate positioning slot is provided on the bottom of the roller groove; the rear filter mechanism includes a rear filter screen plate and a rear filter positioning plate; a screen plate sleeve hole is provided in the middle of the rear filter screen plate; the rear filter positioning plate is detachably sleeved on the roller positioning protrusion, the rear filter screen plate is sleeved on the rear filter positioning plate, and is limited between the inner wall of the rear side of the roller and the rear filter positioning plate; the rear filter screen plate is provided with a screen plate positioning block corresponding to the screen plate positioning slot; the rear filter positioning plate is provided with a plurality of third filter screen holes. The roller positioning protrusion facilitates the sleeved installation of the rear filter screen plate and the rear filter positioning plate, and the detachable cooperation between the roller positioning protrusions facilitates the disassembly, assembly, and replacement of the rear filter screen plate, improving operational convenience and filtration effect.
[0009] Preferably, the outer peripheral wall of the roller positioning protrusion is provided with a positioning ring groove along the circumferential direction; the rear wall of the rear filter positioning plate is provided with a rear filter positioning plug; the rear filter positioning plug is provided with a rear filter slot that matches the positioning protrusion; the rear end face of the rear filter positioning plug is provided with a plurality of positioning slots arranged circumferentially and recessed forward, and the bottom of the positioning slot is provided with a protrusion positioning block distributed axially; the inner side of the protrusion positioning block is provided with a positioning protrusion that engages with the positioning ring groove. The protrusion positioning block can be flexibly set in the positioning slot, so that the positioning protrusion on the protrusion positioning block can be sleeved on the roller positioning protrusion, and the positioning protrusion can be engaged in the positioning ring groove, ensuring the positioning accuracy after installation, and also facilitating disassembly and assembly.
[0010] Preferably, the outer peripheral wall of the rear filter positioning plug is provided with circumferentially spaced protrusions, which are distributed axially. The rear filter screen is sleeved onto the rear filter positioning plug, and the protrusions abut against the inner peripheral wall of the screen sleeve hole. The protrusions further ensure the connection between the rear filter screen and the rear filter positioning plate.
[0011] Preferably, a positioning cavity is provided on the rear side of the outer ring of the rear filter positioning plate; after the rear filter positioning plate is inserted into the roller positioning protrusion, the rear filter screen is wrapped in the positioning cavity, and the outer peripheral wall of the rear filter screen abuts against the inner peripheral wall of the rear filter positioning plate. The positioning cavity further ensures the connection between the rear filter screen and the rear filter positioning plate.
[0012] Preferably, the rear filter plate includes a central plate and a filter ring plate arranged concentrically; the central plate and the ring plate are fixedly connected by four connecting plates, and the four connecting plates are arranged in a cross shape, with a filter screen between two adjacent connecting plates.
[0013] Preferably, the rear filter positioning plate includes a cross plate and a positioning ring plate; the cross plate is disposed inside the positioning ring plate, and the third filter mesh is evenly distributed on the cross plate and the positioning ring plate.
[0014] Preferably, the roller drive mechanism is implemented by means of a motor and a transmission belt guide wheel assembly, one end of the transmission belt guide wheel assembly is rotatably engaged with the motor; the other end of the transmission belt guide wheel assembly is rotatably engaged with the roller.
[0015] In summary, the advantages of this utility model are that by adopting detachable filter mechanisms on both the front and rear sides, not only is the filtration effect of the front side of the drum ensured, but also the filtration effect of the rear side of the drum is ensured. This further enhances the ability to remove dust and mites from clothes in a timely manner during the drying process, achieving a better filtration effect. Furthermore, the detachable design makes it easy to wash and replace the filters, thereby further improving the convenience of disassembly and assembly and greatly enhancing the user experience. Attached Figure Description
[0016] Figure 1 This is a structural schematic diagram of the miniature drum dryer of this utility model.
[0017] Figure 2 This is a schematic diagram of the internal structure of the miniature drum dryer of this utility model.
[0018] Figure 3 This is a schematic diagram of the structure of the pre-filter mechanism of this utility model.
[0019] Figure 4 This is an exploded view of the front of the front filter mechanism of this utility model.
[0020] Figure 5 This is an exploded view of the reverse side of the front filter mechanism of this utility model.
[0021] Figure 6 This is a schematic diagram of the structure of the post-filtration mechanism of this utility model.
[0022] Figure 7 This is an exploded view of the post-filter mechanism of this utility model.
[0023] Figure 8 This is a structural schematic diagram of the rear filter positioning plate of this utility model.
[0024] Explanation of reference numerals in the attached figures:
[0025] 1. Outer shell; 2. Roller; 20. Inner cavity; 21. Roller groove; 22. Roller positioning protrusion; 221. Positioning ring groove; 23. Mesh plate positioning slot; 3. Front filter mechanism; 31. First filter cover; 311. First filter mesh; 312. First L-shaped locking block; 313. First guide slope; 314. Second L-shaped locking block; 315. Second guide slope; 32. Filter layer; 33. Second filter cover; 331. Mating boss; 332. Second filter mesh; 4. Rear filter mechanism; 41. Rear filter mesh; 410. Mesh plate sleeve hole; 411. Center plate; 412. Filter ring 413. Connecting plate; 42. Rear filter positioning plate; 420. Third filter mesh; 421. Rear filter positioning plug; 422. Rear filter slot; 423. Positioning slot; 424. Protruding post positioning block; 425. Positioning protrusion; 426. Protruding strip; 427. Positioning cavity; 43. Cross plate; 44. Positioning ring plate; 5. End cap; 50. Clothing opening; 51. Filter installation groove; 511. First quick-release latch; 512. Second quick-release latch; 52. Filter installation hole; 53. Protruding ring; 54. First installation step; 55. Second installation step; 6. Door panel; 7. Lock. Detailed Implementation
[0026] First, those skilled in the art should understand that these embodiments are merely used to explain the technical principles of the embodiments of this application and are not intended to limit the scope of protection of the embodiments of this application. Those skilled in the art can make adjustments as needed to adapt to specific application scenarios.
[0027] In the description of the embodiments of this application, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this application based on the specific circumstances.
[0028] In the embodiments of this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.
[0029] The present application will now be described in further detail with reference to the accompanying drawings and specific embodiments.
[0030] like Figures 1 to 8 As shown, a miniature drum dryer includes a hollow outer shell 1, a drum 2, a front filter mechanism 3, and a rear filter mechanism 4. An end cover 5 is provided on the front side of the outer shell 1. A clothes-taking opening 50 communicating with the interior of the outer shell 1 is provided in the middle of the end cover 5. A door panel 6 is hinged to the front left side of the end cover 5, and the door panel 6 is opened and closed by a latch 7 between it and the front right side of the end cover 5. The drum 2 is rotatably connected to the outer shell 1 via a drum drive mechanism, and the inner cavity 20 of the drum 2 communicates with the clothes-taking opening 50. The drum drive mechanism includes a motor and a transmission belt guide wheel assembly, with one end of the transmission belt guide wheel assembly rotatably engaged with the motor and the other end rotatably engaged with the drum 2. The front filter mechanism 3 is detachably mounted on the end cover 5, and its rear side communicates with the inner cavity 20. The rear filter mechanism 4 is detachably mounted on the rear inner wall of the drum 2, and its rear filter mechanism 4 communicates with the inner cavity 20. With detachable filter mechanisms on both the front and rear sides, the filtration effect is ensured not only on the front of the drum but also on the rear, further enhancing the ability to remove dust and mites from clothes during the drying process, achieving better filtration results. The detachable design also facilitates washing and replacement, further improving the ease of assembly and disassembly, ultimately enhancing the user experience.
[0031] like Figures 2 to 5 As shown, the front filter mechanism 3 includes a first filter cover 31, a filter layer 32, and a second filter cover 33; the front side of the end cover 5 is provided with a rearwardly recessed filter mounting groove 51; the bottom of the filter mounting groove 51 is provided with a rearwardly penetrating filter mounting hole 52; the middle of the inner peripheral wall of the filter mounting hole 52 is provided with a radially protruding convex ring 53, and a first mounting step 54 is formed on the front side of the convex ring 53, and a second mounting step 55 is formed on the rear side of the convex ring 53. The first filter cover 31 is detachably installed on the filter mounting groove 51 via a snap-fit mechanism, and the filter layer 32 is positioned between the first mounting step 54 and the first filter cover 31. The filter layer 32 is a filter screen or felt. The first filter cover 31 has a plurality of first filter screen holes 311 evenly distributed on it. The front side of the second filter cover 33 is provided with a mating boss 331. The mating boss 331 is installed on the second mounting step 55, and the outer peripheral wall of the second filter cover 33 is fixedly connected to the interior of the outer shell 1. A plurality of second filter screen holes 332 are evenly distributed on the front of the mating boss 331, and the second filter screen holes 332 communicate with the inner cavity 20. This mechanism is fixedly installed on the second mounting step 55 by the second filter cover 33, and the filter layer 32 can be replaced or cleaned by the detachable first filter cover 31, facilitating better drying results in the next drying cycle.
[0032] like Figure 4 and Figure 5As shown, the upper left and right sides of the filter mounting groove 51 are symmetrically provided with first quick-release slots 511; the lower center of the filter mounting hole 52 is provided with a second quick-release slot 512, and the end cap 5 is provided with a quick-release recess below the second quick-release slot 512, which facilitates the user's finger insertion for installation and removal. The upper left and right sides of the rear side of the first filter cover 31 are symmetrically provided with first L-shaped locking blocks 312 that cooperate with the first quick-release slots 511; and the opening of the first L-shaped locking block 312 is upward, and the vertical block of the first L-shaped locking block 312 is provided with a first guide slope 313, which facilitates the smooth insertion of the first L-shaped locking block 312 into the first quick-release slot 511, thereby engaging the first L-shaped locking block 312 with the upper part of the first quick-release slot 511. A second L-shaped locking block 314 is provided in the middle of the lower rear side of the first filter cover 31, which cooperates with the second quick-release latch 512. The opening of the second L-shaped locking block 314 is downward. A second guide slope 315 is provided on the vertical block of the second L-shaped locking block 314. The second guide slope 315 facilitates the smooth insertion of the second L-shaped locking block 314 into the second quick-release latch 512. By engaging the second L-shaped locking block 314 with the lower part of the second quick-release latch 512, quick release on both the upper and lower sides is achieved, which is convenient for cleaning or replacing the filter layer 32. The engagement between the latch and the L-shaped locking block achieves a detachable design for easy assembly and disassembly, while also ensuring a secure connection.
[0033] like Figures 6 to 8 As shown, a circular, recessed roller groove 21 is provided in the middle of the inner wall of the rear side of the roller 2; a forward-protruding roller positioning protrusion 22 is provided at the center of the bottom of the roller groove 21, and four mesh plate positioning slots 23 are provided on the bottom of the roller groove 21, and the four mesh plate positioning slots 23 are evenly distributed circumferentially on the outside of the roller positioning protrusion 22. The four mesh plate positioning slots 23 facilitate further precise positioning. The rear filter mechanism 4 includes a rear filter mesh plate 41 and a rear filter positioning plate 42; the rear filter mesh plate 41 includes a central plate 411 and a filter annular plate 412 arranged concentrically; the central plate 411 and the filter annular plate 412 are fixedly connected by four connecting plates 413, and the four connecting plates 413 are arranged in a cross shape, with a filter screen provided between two adjacent connecting plates 413. The post-filter positioning plate 42 includes a cross plate 43 and a positioning ring plate 44; the cross plate 43 is disposed inside the positioning ring plate 44, and the third filter mesh 420 is evenly distributed on the cross plate 43 and the positioning ring plate 44.
[0034] like Figures 7 to 8As shown, the rear filter plate 41 has a screen plate sleeve hole 410 in the middle; the rear filter positioning plate 42 is detachably sleeved on the roller positioning protrusion 22, and the rear filter plate 41 is sleeved on the rear filter positioning plate 42 and limited between the inner rear wall of the roller 2 and the rear filter positioning plate 42. The rear filter plate 41 is provided with a screen plate positioning block corresponding to the screen plate positioning slot 23. The screen plate positioning block and the screen plate positioning slot 23 further ensure the installation positioning between the two and improve the fit of the assembly. The rear filter positioning plate 42 is provided with several third filter screen holes 420. The roller positioning protrusion 22 facilitates the sleeve of the rear filter plate 41 and the rear filter positioning plate 42. At the same time, the detachable cooperation between the roller positioning protrusions 22 and the roller positioning protrusions 22 facilitates the disassembly, assembly and replacement of the rear filter plate 41, improving the convenience of operation and also improving the filtration effect.
[0035] like Figure 7 and Figure 8 As shown, two positioning ring grooves 221 are arranged circumferentially on the outer peripheral wall of the roller positioning protrusion 22. The two positioning ring grooves 221 are arranged parallel to each other front and back. A rear filter positioning plug 421 is provided on the middle rear wall of the rear filter positioning plate 42. A rear filter slot 422 matching the positioning protrusion 22 is provided on the rear filter positioning plug 421. Four positioning slots 423 are arranged circumferentially and recessed forward on the rear end face of the rear filter positioning plug 421. A protrusion positioning block 424 is axially distributed in the middle of the bottom of the positioning slot 423. A protrusion positioning block 424 is provided on the inner side of the protrusion positioning block 424. The positioning protrusion 425, which engages with the positioning ring groove 221, is inserted into the roller positioning protrusion 22 via the rear filter positioning plug 421, causing the protrusion positioning block 424 to open. This allows the positioning protrusion 425 to pass over the front positioning ring groove 221 and engage in the rear positioning ring groove 221. The two positioning ring grooves 221 ensure the stability of the connection, preventing the positioning protrusion 425 from disengaging from the positioning ring groove 221 during rolling rotation. This, in turn, prevents the rear filter screen plate 41 and the rear filter positioning plate 42 from disengaging from the inner wall of the rear side of the roller, ensuring a firm connection and providing a double protection. The protrusion positioning block 424 can be elastically (opened under pressure) within the positioning groove 423, facilitating the placement of the positioning protrusion 425 on the protrusion positioning block 424 onto the roller positioning protrusion 22, allowing the positioning protrusion 425 to engage in the positioning ring groove 221. This ensures accurate positioning after installation and also facilitates disassembly and assembly.
[0036] like Figure 8As shown, the outer peripheral wall of the rear filter positioning plug 421 is provided with circumferentially spaced protrusions 426, and the protrusions 426 are distributed axially. The rear filter screen plate 41 is sleeved onto the rear filter positioning plug 421, and the protrusions 426 abut against the inner peripheral wall of the screen plate sleeve hole 410. The protrusions 426 further ensure the connection between the rear filter screen plate 41 and the rear filter positioning plate 42. A positioning cavity 427 is provided on the rear side of the outer ring of the rear filter positioning plate 42. After the rear filter positioning plate 42 is inserted into the roller positioning protrusion 22, the rear filter screen plate 41 is wrapped in the positioning cavity 427, and the outer peripheral wall of the rear filter screen plate 41 abuts against the inner peripheral wall of the rear filter positioning plate 42. The positioning cavity 427 can further ensure the connection between the rear filter screen plate 41 and the rear filter positioning plate 42.
[0037] In summary, the advantages of this utility model are that by adopting detachable filter mechanisms on both the front and rear sides, not only is the filtration effect of the front side of the drum ensured, but also the filtration effect of the rear side of the drum is ensured. This further enhances the ability to remove dust and mites from clothes in a timely manner during the drying process, achieving a better filtration effect. Furthermore, the detachable design makes it easy to wash and replace the filters, thereby further improving the convenience of disassembly and assembly, and ultimately enhancing the user experience.
[0038] In the description of the embodiments of this application, it should be noted that the terms "inner" and "outer" and other terms indicating direction or positional relationship are based on the direction or positional relationship shown in the drawings. This is only for the convenience of description and does not indicate or imply that the device or component must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation of this application.
[0039] In the description of this application, the references to terms such as "an embodiment," "some embodiments," "in this embodiment," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.
[0040] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.
Claims
1. A compact tumble dryer, characterized in that, The utility model provides a clothes dryer, including hollow shell (1), drum (2), front filter mechanism (3) and rear filter mechanism (4), the front side of shell (1) is provided with end cover (5), the middle part of end cover (5) is provided with the clothes taking mouth (50) of the inside communication shell (1), the front side of end cover (5) is hinged with door plate (6), and the door plate (6) is opened and closed through the lock catch (7) between the other side of end cover (5) front, drum (2) is rotatably connected in shell (1) through drum drive mechanism, and the inner chamber (20) of drum (2) is communicated with the clothes taking mouth (50), front filter mechanism (3) is detachably installed on end cover (5), and the rear side of front filter mechanism (3) is communicated with the inner chamber (20), rear filter mechanism (4) is detachably installed on the rear side inner wall of drum (2), and rear filter mechanism (4) is communicated with the inner chamber (20).
2. The compact tumble dryer according to claim 1, characterized in that The front filter mechanism (3) includes a first filter cover (31), a filter layer (32), and a second filter cover (33). The front side of the end cover (5) is provided with a rearward recessed filter mounting groove (51). The groove bottom of the filter mounting groove (51) is provided with a rearward penetrating filter mounting hole (52). The inner peripheral wall of the filter mounting hole (52) is provided with a convex ring (53), and a first mounting step (54) is formed on the front side of the convex ring (53), and a second mounting step (55) is formed on the rear side of the convex ring (53). The first filter cover (31) is detachably installed on the filter mounting groove (51) by a buckle manner, and the filter layer (32) is limited between the first mounting step (54) and the first filter cover (31). The first filter cover (31) is uniformly provided with a plurality of first filter mesh holes (311). The front side of the second filter cover (33) is provided with a matching boss (331). The matching boss (331) is installed on the second mounting step (55), and the outer peripheral wall of the second filter cover (33) is fixedly connected with the inside of the shell (1). The front side of the matching boss (331) is uniformly provided with a plurality of second filter mesh holes (332), and the second filter mesh holes (332) are communicated with the inner chamber (20).
3. The compact tumble dryer according to claim 2, characterized in that, The upper left and right sides of the filter mounting groove (51) are provided with first quick-release sockets (511). The lower middle part of the filter mounting hole (52) is provided with a second quick-release socket (512). The left and right sides of the upper rear side of the first filter cover (31) are provided with first L-shaped clamping blocks (312) matched with the first quick-release sockets (511). The opening of the first L-shaped clamping block (312) is upwardly arranged. The vertical block of the first L-shaped clamping block (312) is provided with a first guide inclined surface (313). The middle part of the lower rear side of the first filter cover (31) is provided with a second L-shaped clamping block (314) matched with the second quick-release socket (512). The opening of the second L-shaped clamping block (314) is downwardly arranged. The vertical block of the second L-shaped clamping block (314) is provided with a second guide inclined surface (315).
4. The compact tumble dryer according to claim 2, characterized in that, The rear side inner wall of the roller (2) is provided with a rear concave roller groove (21) in the middle part; the center of the groove bottom of the roller groove (21) is provided with a forward convex roller positioning column (22), and at least one mesh plate positioning slot (23) is arranged on the groove bottom of the roller groove (21); the rear filter mechanism (4) comprises a rear filter mesh plate (41) and a rear filter positioning plate (42); the middle part of the rear filter mesh plate (41) is provided with a mesh plate sleeve hole (410); the rear filter positioning plate (42) is detachably sleeved on the roller positioning column (22), the rear filter mesh plate (41) is sleeved on the rear filter positioning plate (42), and is limited between the rear side inner wall of the roller (2) and the rear filter positioning plate (42), the rear filter mesh plate (41) is provided with a mesh plate positioning plug corresponding to the mesh plate positioning slot (23); the rear filter positioning plate (42) is provided with a plurality of third filter mesh holes (420).
5. The compact tumble dryer according to claim 4, characterized in that, The outer peripheral wall of the roller positioning column (22) is provided with a positioning ring groove (221) in the circumferential direction; the rear wall of the middle part of the rear filter positioning plate (42) is provided with a rear filter positioning plug (421); the rear filter positioning plug (421) is provided with a rear filter slot (422) matched with the roller positioning column (22); a plurality of positioning clamping grooves (423) are arranged on the rear end face of the rear filter positioning plug (421) in the circumferential direction and are arranged forwardly and concavely, and the groove bottom of the positioning clamping groove (423) is provided with a convex column positioning clamping block (424) distributed in the axial direction; the inner side of the convex column positioning clamping block (424) is provided with a positioning protrusion (425) clamped with the positioning ring groove (221).
6. The compact tumble dryer according to claim 5, characterized in that The outer peripheral wall of the rear filter positioning plug (421) is provided with a convex strip (426) arranged in the circumferential direction, and the convex strip (426) is distributed in the axial direction; the rear filter mesh plate (41) is sleeved on the rear filter positioning plug (421), and the convex strip (426) abuts against the inner peripheral wall of the mesh plate sleeve hole (410).
7. The compact tumble dryer according to claim 4, characterized in that, The rear side of the outer ring of the rear filter positioning plate (42) is provided with a positioning cavity (427); after the rear filter positioning plate (42) is inserted into the rear of the roller positioning column (22), the rear filter mesh plate (41) is wrapped in the positioning cavity (427), and the outer peripheral wall of the rear filter mesh plate (41) abuts against the inner peripheral wall of the rear filter positioning plate (42).
8. The compact tumble dryer according to claim 4, characterized in that, The rear filter mesh plate (41) comprises a concentrically arranged center plate (411) and a filter annular plate (412); the center plate (411) and the filter annular plate (412) are fixedly connected by four connecting plates (413), and the four connecting plates (413) are distributed in a cross shape, and a filter screen is arranged between adjacent two connecting plates (413).
9. The compact tumble dryer according to claim 4, characterized in that, The rear filter positioning plate (42) comprises a cross plate (43) and a positioning annular plate (44); the cross plate (43) is arranged in the positioning annular plate (44), and the third filter mesh holes (420) are uniformly distributed on the cross plate (43) and the positioning annular plate (44).
10. The compact tumble dryer according to claim 1, characterized in that, The roller driving mechanism comprises a motor and a transmission belt guide roller set, one end of the transmission belt guide roller set is in rotation cooperation with the motor, and the other end of the transmission belt guide roller set is in rotation cooperation with the roller (2).