Cleaning machine cover opening structure and cleaning machine

Abstract

The utility model relates to a kind of cleaning machine uncovering structure and cleaning machine, belong to cleaning equipment technical field.A kind of cleaning machine uncovering structure, including box body component;Cover body component, the cover body component rotation is set on the box body component;Connecting rod component, the connecting rod component one end is rotationally connected with the box body component, the connecting rod component other end is rotationally connected with the cover body component;Upper shelf, the upper shelf detachably connect in the cover body component and / or the connecting rod component.Box body component provides stable installation foundation, cover body component is rotationally connected with box body component to adapt multi-angle uncovering, connecting rod component provides support and orientation when cover body component rotates, improve operating stability, upper shelf has detachable characteristics and the function of synchronous movement with cover body component, save manual adjustment step before taking and placing article, still can expand internal operating space to facilitate taking and placing large piece article, each component cooperates to improve structural practicability and use experience.

Description

Technical Field

[0001] This utility model relates to the field of cleaning equipment technology, and in particular to a cleaning machine opening structure and a cleaning machine. Background Technology

[0002] Some existing washing machines have a fixed upper shelf, which means that when you need to retrieve or place items to be cleaned below it, you cannot do so directly. You must first remove the upper shelf from the washing machine before you can access the items. This makes the process of retrieving and placing items cumbersome, thus reducing the ease of use of the washing machine. Utility Model Content

[0003] Therefore, it is necessary to provide a cleaning machine opening structure and a cleaning machine to address the problem that some existing cleaning machines require the removal of the upper shelf before taking out or placing items located below it, which makes the process cumbersome.

[0004] The first aspect of this application discloses a cleaning machine cover opening structure, which includes:

[0005] Enclosure assembly;

[0006] A cover assembly, which is rotatably mounted on the housing assembly;

[0007] A linkage assembly, one end of which is rotatably connected to the housing assembly, and the other end of which is rotatably connected to the cover assembly;

[0008] Upper shelf, which is detachably connected to the cover assembly and / or the linkage assembly.

[0009] The aforementioned cleaning machine's opening structure uses the housing assembly as the main housing, providing a stable mounting base for the cover assembly and connecting rod assembly. The rotatable connection between the cover assembly and the housing assembly accommodates different opening angle requirements. The connecting rod assembly, with its two ends rotatably connected to both the housing assembly and the cover assembly, transmits the movement of the cover assembly and provides support during opening and closing, further optimizing operational stability. Building upon this, the detachable connection between the upper shelf and the cover assembly and / or the connecting rod assembly allows for flexible assembly and disassembly according to actual usage needs. Furthermore, when the cover assembly rotates, this connection directly drives the upper shelf to move or rotate synchronously, eliminating the need for manual adjustment and avoiding the inconvenience of manually removing the upper shelf before placing or removing items to be cleaned. Simultaneously, as the upper shelf moves towards the cover assembly, it naturally expands the internal operating space of the cleaning machine, making it easier to handle larger items. The coordinated operation of all components enhances the overall practicality of the structure and the user experience.

[0010] In one embodiment, the linkage assembly includes a first linkage and a second linkage. One end of the first linkage is rotatably connected to the housing assembly, and one end of the second linkage is rotatably connected to the cover assembly. The second linkage is rotatably connected to the first linkage via a pivot, allowing relative rotation between the second and first linkages. The first and second linkages form a rotational engagement via the pivot, working together to provide stable support for the cover assembly and precisely guide its rotation relative to the housing assembly, reducing jamming during opening and closing of the housing assembly and improving operational smoothness. The linkage assembly's structural design exhibits significant adaptability and flexibility. The connection relationships between the two linkages and the housing and cover assemblies, as well as the position of the pivot, can be flexibly adjusted, allowing the linkage assembly to adapt to the overall structural layout of different cleaning machines and broadening its applicable scenarios.

[0011] In one embodiment, the cleaning machine's opening structure further includes a first fixing member, through which the upper shelf is detachably connected to any one of the first connecting rod, the second connecting rod, and the rotating shaft. The first fixing member enables a detachable connection between the upper shelf and the connecting rod assembly. Combined with the structure of the connecting rod assembly, the upper shelf can flexibly choose to connect to any component of the connecting rod assembly according to the overall layout of the cleaning machine, the required installation height, or the specific usage scenario. This retains the detachable characteristic of the upper shelf, facilitating future maintenance and replacement, while also ensuring a precise fit between the installation position of the upper shelf and the structure of the connecting rod assembly, reducing positional limitations during installation and further improving the overall structure's installation flexibility and scenario adaptability.

[0012] In one embodiment, the upper shelf is provided with a latching groove, and the first fixing member is integrally formed with the rotating shaft. The first fixing member is detachably installed in the latching groove. The first fixing member and the rotating shaft are integrally formed, and the structural strength of the rotating shaft enhances its own stability. Combined with the latching groove of the upper shelf, there is no need for additional bolts or buckles or other complex components. The detachable connection can be achieved simply by the two fitting together, simplifying the connection structure and installation steps. At the same time, this integrated fit ensures that when the upper shelf moves with the rotating shaft and connecting rod assembly, the upper shelf will not shake or shift due to the loose connection between the first fixing member and the rotating shaft, thus ensuring the stability of the upper shelf during use.

[0013] In one embodiment, the fastening groove includes a groove body and a mounting opening. The mounting opening is located at the end of the groove body near the rotating shaft. The first fastener passes through the mounting opening and is installed in the groove body, with the first fastener partially interlocking with the mounting opening. The mounting opening, taking advantage of the first fastener's position near the rotating shaft, provides a channel for the first fastener to enter the groove body, ensuring smooth installation. The interlocking design of the first fastener and the mounting opening forms an anti-detachment structure after installation, preventing the first fastener from detaching from the groove body when the rotating shaft moves. This combination ensures ease of installation and further enhances the reliability of the connection between the upper shelf and the rotating shaft, ensuring that the upper shelf does not loosen or fall off when the cover assembly or connecting rod assembly moves, thus guaranteeing the user's convenience in retrieving and placing items.

[0014] In one embodiment, the upper shelf is further provided with a linkage groove, and the opening structure of the washing machine also includes a second fixing member. The second fixing member is disposed on the cover assembly and is detachably installed at the linkage groove. The cooperation between the second fixing member and the linkage groove enhances the motion transmission between the cover assembly and the upper shelf. When the second fixing member rotates synchronously with the cover assembly, it directly drives the upper shelf to move through the linkage groove, avoiding delays or misalignments in the upper shelf's movement and ensuring that the upper shelf responds synchronously when the cover assembly rotates, reducing jamming. Simultaneously, the detachable design of the second fixing member and the linkage groove does not affect the overall assembly and disassembly flexibility of the upper shelf due to the added linkage structure, facilitating later maintenance.

[0015] In one embodiment, when the cover assembly rotates relative to the housing assembly, the housing assembly can have at least two states: open and closed. The linkage groove includes a sliding groove with at least a first position and a second position. When the second fixing member is in the first position, the housing assembly is in the open state; when the second fixing member is in the second position, the housing assembly is in the closed state. The second fixing member is disposed on the cover assembly. When the cover assembly rotates, it drives the second fixing member to move along the sliding groove. The first and second positions of the sliding groove correspond to preset positions of the housing assembly in the open and closed states, respectively. Its trajectory can accurately match the rotation path of the cover assembly, ensuring that the second fixing member does not deviate from the preset trajectory when it drives the upper shelf to move synchronously, reducing interference between the upper shelf and other components. At the same time, the two positions of the sliding groove allow the upper shelf to accurately reset to a position that fits the internal space of the washing machine when closed, avoiding occupying extra space; when open, it moves to the preset position, stably expanding the operating space, facilitating the loading and unloading of items, and further improving the accuracy of the structural movement and ease of use.

[0016] In one embodiment, the linkage groove further includes a mounting groove that communicates with the sliding groove, and the angle between the mounting groove and the sliding groove is less than 180°. The connection between the mounting groove and the sliding groove provides a convenient channel for the second fixing member to be inserted into the sliding groove from the outside, simplifying the installation process. The design of the angle between the mounting groove and the sliding groove being less than 180° is based on the direction of movement of the second fixing member as the cover assembly rotates. This angle design prevents the second fixing member from sliding towards the mounting groove during movement, preventing accidental slippage into the mounting groove and causing linkage failure. This angle design ensures both convenient installation and stable movement of the second fixing member within the sliding groove, thereby maintaining the linkage stability between the cover assembly and the upper shelf and preventing misalignment from affecting the normal movement of the upper shelf.

[0017] In one embodiment, the mounting slot includes a mounting hole and a movable slot. One end of the movable slot communicates with the sliding groove, and the other end communicates with the mounting hole. The width of the movable slot is less than the maximum outer diameter of the second fastener, and the diameter of the mounting hole is greater than or equal to the maximum outer diameter of the second fastener. The mounting hole diameter is adapted to the maximum outer diameter of the second fastener, ensuring that the second fastener can be smoothly inserted into the mounting hole, providing a basis for the installation action. The movable slot serves as a transition channel connecting the mounting hole and the sliding groove, allowing the second fastener to be smoothly pushed into the sliding groove from the mounting hole. At the same time, the width of the movable slot is less than the maximum outer diameter of the second fastener, which can form a limit after installation, preventing the second fastener from retracting from the movable slot back into the mounting hole and coming out of the mounting slot. This dimensional fit ensures both ease of installation and connection stability through structural limiting, ultimately ensuring reliable cooperation between the second fastener and the linkage slot. The cover assembly can stably drive the upper shelf movement, avoiding malfunctions caused by the second fastener coming out.

[0018] The second aspect of this application discloses a cleaning machine, which includes the aforementioned cleaning machine opening structure.

[0019] The aforementioned cleaning machine, through the cooperation of the housing assembly, cover assembly, and connecting rod assembly, enables smooth opening and closing. The connection design between the upper shelf and the cover assembly and / or connecting rod assembly allows for flexible assembly and disassembly of the upper shelf, with synchronized movement with the cover, eliminating the need for manual adjustment. The engagement of the first fixing member with the upper shelf's locking groove and the second fixing member with the upper shelf's linkage groove ensures a stable connection, preventing detachment and reducing malfunctions. The positioning of the sliding groove improves the precision of the upper shelf's movement and avoids interference with other components. These designs collectively enhance the cleaning machine's ease of operation, reducing cumbersome steps when loading and unloading items. The detachable structure facilitates future maintenance, and the flexible component arrangement adapts to various usage scenarios, ultimately enhancing the cleaning machine's structural stability and performance, and improving its market competitiveness. Attached Figure Description

[0020] Figure 1A 3D view of the opening structure of the cleaning machine;

[0021] Figure 2 This is a first sectional view of the opening structure of the cleaning machine;

[0022] Figure 3 This is a second sectional view of the opening structure of the cleaning machine;

[0023] Figure 4 A 3D view showing the disassembly of the upper shelf of the opening structure of the cleaning machine;

[0024] Figure 5 for Figure 4 Enlarged view of region A;

[0025] Figure 6 A perspective view of the assembly of the connecting rod assembly and the first fixing member;

[0026] Figure 7 This is the first perspective view of the upper shelf;

[0027] Figure 8 for Figure 7 Enlarged view of region B;

[0028] Figure 9 A perspective view of the linkage assembly and upper shelf assembly;

[0029] Figure 10 for Figure 9 Enlarged view of region C;

[0030] Figure 11 This is the second perspective view of the upper shelf;

[0031] Figure 12 for Figure 11 Enlarged view of region D;

[0032] Figure 13 A perspective view of the assembly of the cover assembly and the upper shelf;

[0033] Figure 14 for Figure 13 Enlarged view of region E.

[0034] The correspondence between the reference numerals and the component names is as follows:

[0035] 1. Enclosure assembly;

[0036] 2. Cover assembly;

[0037] 3-link assembly, 31 first link, 32 second link, 33 pivot;

[0038] 4. Upper shelf, 401. Snap-in groove, 4011. Groove body, 4012. Mounting port, 402. Linkage groove, 4021. Slide groove, 4022. Mounting groove, 4023. Mounting hole, 4024. Moving groove.

[0039] 5. First fastener;

[0040] 6. Second fastener. Detailed Implementation

[0041] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0042] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present invention is not limited to the specific embodiments disclosed below.

[0043] The opening structure of the cleaning machine and the cleaning machine described below with reference to the accompanying drawings are described in some embodiments of the present invention.

[0044] Example 1

[0045] like Figures 1 to 3 As shown, this embodiment discloses a cleaning machine opening structure, including a housing assembly 1, a cover assembly 2, a connecting rod assembly 3, and an upper shelf 4. The cover assembly 2 is rotatably mounted on the housing assembly 1; one end of the connecting rod assembly 3 is rotatably connected to the housing assembly 1, and the other end of the connecting rod assembly 3 is rotatably connected to the cover assembly 2; the upper shelf 4 is detachably connected to the cover assembly 2 and / or the connecting rod assembly 3.

[0046] The cleaning machine opening structure disclosed in this application has a housing assembly 1 as the main body for housing the cleaning machine, providing a stable mounting base for the cover assembly 2 and the connecting rod assembly 3; the rotatable connection between the cover assembly 2 and the housing assembly 1 can adapt to different opening angle requirements; the connecting rod assembly 3 is rotatably connected to the housing assembly 1 and the cover assembly 2 at both ends, which can both transmit the movement of the cover assembly 2 and provide support during the opening and closing process, further optimizing the operational stability. Based on the above, the detachable connection between the upper shelf 4 and the cover assembly 2 and / or the connecting rod assembly 3 allows for flexible assembly and disassembly of the upper shelf 4 according to actual usage needs. Furthermore, when the cover assembly 2 rotates, it directly drives the upper shelf 4 to move or rotate synchronously through this connection structure, eliminating the need for manual adjustment of the upper shelf 4 and avoiding the inconvenience of manually removing the upper shelf before placing or removing items to be cleaned underneath. Simultaneously, as the upper shelf 4 moves towards the cover assembly 2, it naturally expands the internal operating space of the cleaning machine, making it easier to place and remove larger items. The coordinated operation of all components enhances the overall practicality of the structure and the user experience.

[0047] like Figure 1 , Figure 4 , Figure 5 and Figure 6 As shown, in addition to the features of the above embodiments, this embodiment further specifies that: the linkage assembly 3 includes a first linkage 31 and a second linkage 32. One end of the first linkage 31 is rotatably connected to the housing assembly 1, and one end of the second linkage 32 is rotatably connected to the cover assembly 2. The second linkage 32 is rotatably connected to the first linkage 31 via a pivot 33, so that the second linkage 32 and the first linkage 31 can rotate relative to each other. The first linkage 31 and the second linkage 32 form a rotational fit through the pivot 33. The two work together to provide stable support for the cover assembly 2 and accurately guide its rotation relative to the housing assembly 1, reducing the jamming during the opening and closing of the housing assembly 1 and improving the smoothness of operation. The structural design of the linkage assembly 3 has significant adaptability and flexibility. The connection relationship between the two linkages and the housing assembly 1 and the cover assembly 2, as well as the position setting of the pivot 33, can be flexibly adjusted, so that the linkage assembly 3 can adapt to the overall structural layout of different cleaning machines, thus broadening the applicable scenarios of the linkage assembly 3.

[0048] like Figure 4 , Figure 5 and Figure 6As shown, in addition to the features of the above embodiments, this embodiment further specifies that: the cleaning machine opening structure also includes a first fixing member 5, and the upper shelf 4 is detachably connected to any one of the first connecting rod 31, the second connecting rod 32, and the rotating shaft 33 via the first fixing member 5. The first fixing member 5 realizes the detachable connection between the upper shelf 4 and the connecting rod assembly 3. Combined with the structure of the connecting rod assembly 3, the upper shelf 4 can flexibly choose to connect to any component of the connecting rod assembly 3 according to the overall layout of the cleaning machine, the required installation height, or the specific usage scenario. This not only retains the detachable feature of the upper shelf 4, facilitating later maintenance and replacement, but also allows the installation position of the upper shelf 4 to be precisely adapted to the structure of the connecting rod assembly 3, reducing positional restrictions during installation and further improving the installation flexibility and scenario adaptability of the overall structure.

[0049] like Figure 6 , Figure 7 , Figure 8 , Figure 9 and Figure 10 As shown, in addition to the features of the above embodiments, this embodiment further specifies that: the upper shelf 4 is provided with a latching groove 401, and the first fixing member 5 is integrally formed on the rotating shaft 33. The first fixing member 5 is detachably installed at the latching groove 401. The first fixing member 5 and the rotating shaft 33 are integrally formed, and the structural strength of the rotating shaft 33 enhances its own stability. With the latching groove 401 of the upper shelf 4, there is no need to set up additional bolts or buckles or other complex components. The detachable connection can be achieved simply by the two fitting together, simplifying the connection structure and installation steps. At the same time, this integrated fit can ensure that when the upper shelf 4 moves with the rotating shaft 33 and the connecting rod assembly 3, the upper shelf 4 will not shake or shift due to the loose connection between the first fixing member 5 and the rotating shaft 33, thus ensuring the stability of the upper shelf 4 during use.

[0050] In addition to the features of the above embodiments, this embodiment further specifies that: the slot 401 includes a slot body 4011 and an installation port 4012. The installation port 4012 is located at the end of the slot body 4011 near the rotating shaft 33. The first fixing member 5 passes through the installation port 4012 and is installed in the slot body 4011. The installation port 4012 provides a channel for the first fixing member 5 to enter the slot body 4011, ensuring that the installation is completed smoothly, taking into account the position of the first fixing member 5 near the rotating shaft 33. The first fixing member 5 and the installation port 4012 are partially interlocked, which can form an anti-detachment structure after installation, preventing the first fixing member 5 from coming out of the slot body 4011 from the installation port 4012 when the rotating shaft 33 moves. This cooperation not only ensures the convenience of installation, but also further improves the reliability of the connection between the upper shelf 4 and the rotating shaft 33, ensuring that the upper shelf 4 does not loosen or fall off when it moves with the cover assembly 2 or the connecting rod assembly 3, and ensuring the convenience of users to pick up and put down items.

[0051] like Figure 6 , Figure 11 , Figure 12 , Figure 13 and Figure 14 As shown, in addition to the features of the above embodiments, this embodiment further specifies that: the upper shelf 4 is also provided with a linkage groove 402, and the opening structure of the washing machine also includes a second fixing member 6. The second fixing member 6 is disposed on the cover assembly 2 and is detachably installed at the linkage groove 402. The cooperation between the second fixing member 6 and the linkage groove 402 can enhance the motion transmission between the cover assembly 2 and the upper shelf 4. When the second fixing member 6 rotates synchronously with the cover assembly 2, it will directly drive the upper shelf 4 to move through the linkage groove 402, avoiding delay or misalignment of the upper shelf 4, ensuring that the upper shelf 4 can respond synchronously when the cover assembly 2 rotates, and reducing jamming. At the same time, the detachable design of the second fixing member 6 and the linkage groove 402 will not affect the overall disassembly and assembly flexibility of the upper shelf 4 due to the addition of the linkage structure, which is convenient for later maintenance.

[0052] like Figure 2 , Figure 3 , Figure 6 , Figure 11 , Figure 12 , Figure 13 and Figure 14 As shown, in addition to the features of the above embodiments, this embodiment further specifies that: when the cover assembly 2 rotates relative to the box assembly 1, the box assembly 1 can have at least two states: open and closed. The linkage groove 402 includes a sliding groove 4021, which has at least a first position and a second position. When the second fixing member 6 is in the first position, the box assembly 1 is in the open state; when the second fixing member 6 is in the second position, the box assembly 1 is in the closed state. The second fixing member 6 is disposed on the cover assembly 2. When the cover assembly 2 rotates, it will drive the second fixing member 6 to move along the sliding groove 4021. The first and second positions of the sliding groove 4021 correspond to the preset positions of the box assembly 1 in the open and closed states, respectively. Its trajectory can accurately match the rotation path of the cover assembly 2, ensuring that the second fixing member 6 does not deviate from the preset trajectory when it drives the upper shelf 4 to move synchronously, and reducing interference between the upper shelf 4 and other components. Meanwhile, the slide 4021, through the setting of two positions, allows the upper shelf 4 to accurately return to the position that matches the internal space of the washing machine when closed, avoiding occupying extra space; when open, it moves to the preset position, stably expanding the operating space, making it easier to pick up and put down items, and further improving the precision of the structure's movements and ease of use.

[0053] In addition to the features of the above embodiments, this embodiment further specifies that: the linkage groove 402 also includes a mounting groove 4022, which communicates with the sliding groove 4021, providing a convenient channel for the second fixing member 6 to be inserted into the sliding groove 4021 from the outside, simplifying the installation process; the included angle between the mounting groove 4022 and the sliding groove 4021 is less than 180°, based on the moving direction of the second fixing member 6 as it rotates with the cover assembly 2. This angle design can prevent the second fixing member 6 from sliding towards the mounting groove 4022 during movement, preventing the second fixing member 6 from accidentally sliding into the mounting groove 4022 and causing linkage failure. This angle combination ensures both convenient installation and stable movement of the second fixing member 6 within the sliding groove 4021, thereby maintaining the linkage stability between the cover assembly 2 and the upper shelf 4, and avoiding the impact of misalignment on the normal movement of the upper shelf 4.

[0054] In addition to the features of the above embodiments, this embodiment further specifies that: the mounting groove 4022 includes a mounting hole 4023 and a movable groove 4024. One end of the movable groove 4024 communicates with the sliding groove 4021, and the other end of the movable groove 4024 communicates with the mounting hole 4023. The width of the movable groove 4024 is less than the maximum outer diameter of the second fixing member 6, and the diameter of the mounting hole 4023 is greater than or equal to the maximum outer diameter of the second fixing member 6. The diameter of the mounting hole 4023 is adapted to the maximum outer diameter of the second fixing member 6, ensuring that the second fixing member 6 can be smoothly inserted into the mounting hole 4023, providing a basis for the installation action; the movable groove 4024 serves as a transition channel connecting the mounting hole 4023 and the sliding groove 4021, allowing the second fixing member 6 to be smoothly pushed into the sliding groove 4021 from the mounting hole 4023. At the same time, the width of the movable groove 4024 is less than the maximum outer diameter of the second fixing member 6, which can form a limit after installation, preventing the second fixing member 6 from retracting from the movable groove 4024 into the mounting hole 4023 and dislodging from the mounting groove 4022. This size fit ensures ease of installation and structural limit to ensure connection stability, ultimately allowing the second fixing part 6 to reliably engage with the linkage groove 402. The cover assembly 2 can stably drive the upper shelf 4 to move, avoiding malfunctions caused by the second fixing part 6 coming off.

[0055] Example 2

[0056] like Figures 1 to 14 As shown in the figure, this embodiment discloses a cleaning machine, including a cleaning machine cover opening structure.

[0057] The cleaning machine disclosed in this application achieves smooth opening and closing through the cooperation of the housing assembly 1, the cover assembly 2, and the connecting rod assembly 3. The connection design between the upper shelf 4 and the cover assembly 2 and / or the connecting rod assembly 3 allows the upper shelf 4 to be flexibly disassembled and reassembled, moving synchronously with the cover without manual adjustment. The cooperation between the first fixing member 5 and the latching groove 401 of the upper shelf 4, and the second fixing member 6 and the linkage groove 402 of the upper shelf 4, ensures a stable connection that is not easily dislodged, reducing malfunctions. The position setting of the sliding groove 4021 improves the accuracy of the upper shelf 4's movement and avoids interference with other components. These designs collectively enhance the ease of operation of the cleaning machine, reducing cumbersome steps when loading and unloading items. The detachable structure facilitates later maintenance, and the flexible component cooperation adapts to various usage scenarios, ultimately enhancing the structural stability and performance of the cleaning machine and improving its market competitiveness.

[0058] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0059] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A cover opening structure for a cleaning machine, characterized in that, The opening structure of the cleaning machine includes: Box assembly (1); A cover assembly (2) is rotatably mounted on the housing assembly (1); Linkage assembly (3), one end of which is rotatably connected to the housing assembly (1), and the other end of which is rotatably connected to the cover assembly (2); Upper shelf (4), which is detachably connected to the cover assembly (2) and / or the linkage assembly (3).

2. The cleaning machine cover opening structure according to claim 1, characterized in that, The linkage assembly (3) includes a first linkage (31) and a second linkage (32). One end of the first linkage (31) is rotatably connected to the housing assembly (1), and one end of the second linkage (32) is rotatably connected to the cover assembly (2). The second linkage (32) is rotatably connected to the first linkage (31) via a pivot (33) so that the second linkage (32) and the first linkage (31) can rotate relative to each other.

3. The cleaning machine cover opening structure according to claim 2, characterized in that, The opening structure of the cleaning machine also includes a first fixing member (5), and the upper shelf (4) is detachably connected to any one of the first connecting rod (31), the second connecting rod (32) and the rotating shaft (33) through the first fixing member (5).

4. The cleaning machine cover opening structure according to claim 3, characterized in that, The upper shelf (4) is provided with a buckle groove (401), and the first fixing member (5) is integrally formed on the rotating shaft (33). The first fixing member (5) can be detachably installed at the buckle groove (401).

5. The cleaning machine cover opening structure according to claim 4, characterized in that, The groove (401) includes a groove (4011) and a mounting opening (4012). The mounting opening (4012) is located at one end of the groove (4011) near the rotating shaft (33). The first fixing member (5) passes through the mounting opening (4012) and is installed at the groove (4011). The first fixing member (5) and the mounting opening (4012) are partially intersected.

6. The cleaning machine cover opening structure according to any one of claims 1 to 5, characterized in that, The upper shelf (4) is also provided with a linkage groove (402), and the opening structure of the cleaning machine also includes a second fixing member (6). The second fixing member (6) is disposed on the cover assembly (2), and the second fixing member (6) is detachably installed at the linkage groove (402).

7. The cleaning machine cover opening structure according to claim 6, characterized in that, When the cover assembly (2) rotates relative to the box assembly (1), the box assembly (1) can have at least two states: open and closed. The linkage groove (402) includes a slide groove (4021), which has at least a first position and a second position. When the second fixing member (6) is in the first position, the box assembly (1) is in the open state, and when the second fixing member (6) is in the second position, the box assembly (1) is in the closed state.

8. The cleaning machine cover opening structure according to claim 7, characterized in that, The linkage groove (402) also includes an installation groove (4022), which is connected to the slide groove (4021), and the included angle between the installation groove (4022) and the slide groove (4021) is less than 180°.

9. The cleaning machine cover opening structure according to claim 8, characterized in that, The mounting groove (4022) includes a mounting hole (4023) and a moving groove (4024). One end of the moving groove (4024) is connected to the sliding groove (4021), and the other end of the moving groove (4024) is connected to the mounting hole (4023). The width of the moving groove (4024) is less than the maximum outer diameter of the second fixing member (6), and the diameter of the mounting hole (4023) is greater than or equal to the maximum outer diameter of the second fixing member (6).

10. A cleaning machine, characterized in that, The cleaning machine includes: The cleaning machine opening structure according to any one of claims 1 to 9.

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