A washing machine door body structure and a washing machine

Abstract

The application discloses a washing machine door body structure and a washing machine. The door body structure comprises a door body, a barrel cover, and a connecting structure. The door body is used for being buckled on a clothes throwing opening of a washing machine shell. The barrel cover is used for being buckled on a barrel opening of a washing machine barrel. The connecting structure is connected with the door body and the barrel cover respectively. A rotary expansion joint is arranged at a connecting position of the connecting structure and the door body and / or the barrel cover. The door body and the barrel cover can relatively rotate around an axis and / or relatively move along an axis by using the rotary expansion joint. The door body and the barrel cover of the door body structure can relatively rotate around the axis and relatively move along the axis by arranging the rotary expansion joint between the door body and the barrel cover. The barrel cover can rotate and vibrate together with the washing machine barrel, and the door body and the washing machine shell can be fixed.

Description

Technical Field

[0001] This invention belongs to the field of household appliances, and more specifically, relates to a drum washing machine. Background Technology

[0002] A front-loading washing machine consists of an inner drum and an outer drum, with a gap between them. Over time, detergent residue accumulates in this gap, forming dirt and grime. This residue builds up on the outer wall of the inner drum and the inner wall of the outer drum, fostering bacterial growth that can harm the user's health and reduce the washing efficiency and cleanliness of clothes. Because the inner and outer drums are nested together, users cannot clean the outer wall of the inner drum and the inner wall of the outer drum themselves; the inner drum must be disassembled for cleaning, which is inconvenient. To address this issue, many washing machine manufacturers offer a self-cleaning function for the drum, typically by filling the drum with a large amount of water and heating it, while simultaneously rotating the inner drum at a speed exceeding 50 rpm. While this achieves some cleaning effect, it cannot completely remove the grime accumulated on the outer wall of the inner drum and the inner wall of the outer drum, thus preserving its impact on clothing washing.

[0003] To completely eliminate the problem of cross-flow of water between the inner and outer drums of a washing machine, which affects the cleanliness of clothes, people have proposed the concept of a holeless washing machine: the inner drum of the drum washing machine is designed to both hold water and clothes and rotate around an axis to tumble and wash the clothes; however, the drum washing machine with the above-mentioned design needs to have an openable and closable inner drum cover at the drum opening to seal the inner drum and prevent water in the inner drum from splashing out of the drum opening and flowing outside the drum during the washing process.

[0004] However, after the inner cylinder cover is installed, how to make the inner cylinder cover and the machine door easy to open and close has become an urgent technical problem to be solved.

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

[0006] The technical problem to be solved by the present invention is to overcome the shortcomings of the prior art and provide a washing machine door structure so as to realize the linkage between the covers set for the clothes loading port and the inner drum opening, so as to facilitate the synchronous opening and closing of the washing machine.

[0007] To solve the above-mentioned technical problems, the basic concept of the technical solution adopted by the present invention is as follows:

[0008] A washing machine door structure includes: a door body that corresponds to and engages with the clothes loading port on the washing machine casing; a drum cover that corresponds to and engages with the drum opening of the washing machine drum; and a connecting structure that is connected to the door body and the drum cover respectively. A rotary telescopic joint is provided at the connection point between the connecting structure and the door body and / or the drum cover, and the door body and the drum cover can rotate relative to each other around an axis and / or extend and retract axially using the rotary telescopic joint.

[0009] Furthermore, the connecting structure includes a connecting rod, the two ends of which are connected to the center of the door body and the cylinder cover, respectively, and the connection between the connecting rod and the cylinder cover is a rotary telescopic joint.

[0010] Furthermore, both ends of the connecting rod are connected to the mounting part via hinged rotating pairs. The first mounting part is connected to the door body, and the second mounting part is connected to the cylinder cover. The first rotating shaft of the first rotating pair connected to the first mounting part and the second rotating shaft of the second rotating pair connected to the second mounting part are arranged parallel to each other. A rotary telescopic pair is provided at the connection between the first mounting part and the door body, and / or at the connection between the second mounting part and the cylinder cover.

[0011] Furthermore, the rotary telescopic joint includes a stepped shaft, which is disposed on the mounting part or directly on the connecting rod; a stepped shaft hole, which is disposed on the cylinder cover or door body for insertion of the stepped shaft; the stepped shaft consists of a narrow shaft portion and a wide shaft portion with radially narrowed dimensions along the insertion direction; the stepped shaft hole consists of a narrow hole portion and a wide hole portion with radially narrowed dimensions along the insertion direction; the stepped shaft is inserted into the stepped shaft hole, with the wide shaft portion of the stepped shaft disposed in the wide hole portion of the stepped shaft hole and the narrow shaft portion disposed in the narrow hole portion of the stepped shaft hole, the radial dimension of the wide shaft portion being greater than the radial dimension of the narrow hole portion and less than or equal to the radial dimension of the wide hole portion, the radial dimension of the narrow shaft portion being less than or equal to the radial dimension of the narrow hole portion, and the axial length of the narrow shaft portion being greater than the axial length of the narrow hole portion.

[0012] Furthermore, the cylinder cover or door body is a disc-shaped cavity structure formed by the interlocking of the cover plate and the main body. The center of the cover plate has a through hole that runs through both sides of the cover plate. The cavity formed by the through hole and the cover plate together constitutes a stepped shaft hole. The through hole constitutes the narrow hole portion of the stepped shaft hole, and the cavity constitutes the wide hole portion. The mounting part includes a fixed plate and a mounting column connected coaxially in sequence. The fixed plate is located in the cavity of the cylinder cover or door body and constitutes the wide shaft portion. The mounting column extends out of the cavity through the through hole and constitutes the narrow shaft portion. The protruding end of the mounting column is rotatably connected to the end of the connecting rod through a rotating pair formed by a hinge.

[0013] Furthermore, the connecting structure is connected to the cylinder cover via a rotary telescopic joint, and the connecting structure is fixedly connected to the door body.

[0014] The present invention also discloses a washing machine, comprising: a housing having a clothes inlet; a drum installed inside the housing with its opening facing the clothes inlet; and a washing machine door structure as described above, wherein the drum cover is mounted on the drum via a first hinge structure to open and close the drum opening, and / or the door is mounted on the housing via a second hinge structure to open and close the clothes inlet.

[0015] Furthermore, the first hinge structure and the second hinge structure are located on the same side of the door structure; the hinge axis of the first hinge structure and the hinge axis of the second hinge structure are arranged parallel to each other; the distance between the hinge axis of the first hinge structure and the hinge axis of the second hinge structure in the axial direction of the cylinder opening is equal to the axial length of the connecting rod.

[0016] Furthermore, the hinge axis of the first hinge structure and / or the hinge axis of the second hinge structure are both arranged parallel to the hinge axis connected to the connecting rod and the mounting part.

[0017] Furthermore, a first motor is installed at the first hinge structure connecting the cylinder cover and the cylinder, for driving the cylinder cover to rotate around the axis to open and close the cylinder opening; and / or, a second motor is installed at the second hinge structure connecting the door body and the housing, for driving the door body to rotate around the axis to open and close the clothing loading port of the housing.

[0018] By adopting the above technical solution, the present invention has the following beneficial effects compared with the prior art.

[0019] 1. Through the above-described configuration, a rotary telescopic joint is installed between the two different door covers of the washing machine's door structure. This joint allows the door and drum cover to rotate relative to each other around an axis. Simultaneously, due to the rotational and telescopic side effects between the connecting structure and the drum cover and / or the door, the door and drum cover can move relative to each other along an axis. This achieves the technical effect of the drum cover rotating and vibrating with the drum, while the door remains fixed to the casing.

[0020] 2. By connecting both ends of the connecting rod to the door or the lid via rotating joints, a multi-link structure is formed between the door, lid, and connecting rod. This allows the connecting rod to be in a retracted state parallel to the door when the door or lid is open, and in an extended state perpendicular to the door when the door or lid is closed. This allows for reasonable adjustment of the angle of the door and lid after opening, preventing interference when users take out or put in clothes.

[0021] The second door can rotate relative to the first door. After closing, the second door rotates together with the inner drum. The first and second doors do not affect the rotation of the inner drum, thus achieving the washing and dehydration functions. The structure is also simple.

[0022] The specific embodiments of the present invention will now be described in further detail with reference to the accompanying drawings. Attached Figure Description

[0023] The accompanying drawings, as part of this invention, are used to provide a further understanding of the invention. The illustrative embodiments and descriptions of the invention are used to explain the invention, but do not constitute an undue limitation of the invention. Obviously, the drawings described below are merely some embodiments, and those skilled in the art can obtain other drawings based on these drawings without creative effort. In the drawings:

[0024] Figure 1 This is a schematic diagram of the door structure in the latching state in an embodiment of the present invention;

[0025] Figure 2 yes Figure 1 A schematic diagram of the AA section;

[0026] Figure 3 This is a schematic diagram of the door structure in the open state in an embodiment of the present invention;

[0027] Figures 4 to 6 These are schematic diagrams of the washing machine in different embodiments of the present invention;

[0028] Figure 7 This is a schematic diagram of a washing machine with the door structure in the open state according to an embodiment of the present invention.

[0029] Key components in the diagram: 100, shell; 200, outer cylinder; 300, inner cylinder; 400, door structure; 500, first hinge structure; 600, second hinge structure; 700, cylinder; 1, door body; 2, cylinder cover; 3, connecting structure; 4, connecting rod; 5, first mounting part; 6, second mounting part; 7, through hole; 8, rotary telescopic pair; 9, rotating pair; 10, stepped shaft; 11, wide shaft part; 12, narrow shaft part; 13, stepped shaft hole; 14, wide hole part; 15, narrow hole part; 16, main body; 17, cover plate; 18, cavity; 19, cylinder opening; 20, clothing loading port.

[0030] It should be noted that these accompanying drawings and textual descriptions are not intended to limit the scope of the invention in any way, but rather to illustrate the concept of the invention to those skilled in the art by referring to specific embodiments. Detailed Implementation

[0031] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings. The following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0032] In the description of this invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting this invention.

[0033] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" 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 this invention based on the specific circumstances.

[0034] like Figures 1 to 7 As shown in the embodiment of the present invention, a door structure 400 for a drum washing machine is introduced. The drum washing machine includes a shell 100, an outer drum 200, and an inner drum 300 fitted inside the outer drum 200. The inner drum 300 and the outer drum 200 are installed horizontally or gradually inclined downward from the drum opening to the drum bottom in the shell 100. The inner drum 300 can rotate around its own axis. Each end of the inner drum 300 and the outer drum 200 is provided with a drum opening 19 for loading and unloading clothes. The drum opening 19 of the inner drum and the drum opening of the outer drum both face the same direction, preferably the front side of the washing machine. The front plate of the shell 100 is provided with a clothes loading port 20, which is coaxially opened with respect to the drum opening of the outer drum and the drum opening of the inner drum 19 to form a channel for loading clothes into the inner drum or for unloading clothes from the inner drum.

[0035] In this embodiment of the invention, the drum washing machine has a door structure 400. The door structure 400 is used to synchronously open and close the inner drum opening 19 and the clothes loading port 20 on the shell of the drum washing machine, or to synchronously open and close the inner drum opening 19 and the outer drum opening of the drum washing machine, or to synchronously open and close the outer drum opening and the clothes loading port 20 on the shell of the drum washing machine, so as to achieve the purpose of synchronously opening and closing two different openings of the drum washing machine by a single door structure 400.

[0036] Preferably, in this embodiment of the invention, the drum washing machine is a self-cleaning, holeless drum washing machine in which the inner drum 300 does not have a normally open hole, and the inner drum 300 forms a water container when the washing machine is running a washing program. The door structure 400 is used to synchronously open and close the drum opening 19 of the inner drum 300 and the clothes loading port 20 on the shell 100.

[0037] like Figures 1 to 3 As shown, in this embodiment of the invention, the door structure 400 includes,

[0038] Door 1, which is fastened to the clothes loading port 20 on the washing machine housing 100;

[0039] The drum cover 2 is attached to the drum opening 19 of the washing machine drum 700. In this embodiment of the invention, the drum 700 is described as the inner drum 300 of the drum washing machine, but the drum 700 can still be set as the outer drum 200, which is also applicable to the door structure 400 described in this application.

[0040] The connecting structure 3 is connected to the door body 1 and the cylinder cover 2 respectively. A rotary telescopic pair 8 is provided at the connection between the connecting structure 3 and the door body 1 and / or the cylinder cover 2. The door body 1 and the cylinder cover 2 can rotate relative to each other around the axis and / or move along the axial direction by means of the rotary telescopic pair 8.

[0041] In this embodiment of the invention, at least one sealing ring is provided at the junction of the drum cover 2 and the drum opening 19, which is used to seal the drum opening 19 after the door structure 400 is closed, thereby forming a seal and creating a water-holding container inside the drum 700 (not shown in the drawings). Simultaneously, to ensure sealing, a locking structure is provided on the drum 700 of the washing machine, which is used to lock the drum cover 2 after it is fastened to the drum opening 19, creating an openable and closable locking mechanism between the drum cover 2 and the drum 700 (not shown in the drawings). Preferably, a locking structure is also provided between the door 2 and the washing machine housing 100, used to lock and fix the door 2 after it is fastened, allowing the door 2 to controllably open and close the clothing loading port 20 on the housing 100 (not shown in the drawings).

[0042] like Figures 1 to 3 As shown in the embodiment of the invention, the connecting structure 3 includes a connecting rod 4, with both ends of the connecting rod 4 connected to the center of the door body 1 and the drum cover 2, respectively. The connecting rod 4 is made of a rigid material and is a straight rod structure with its axis extending vertically. Preferably, in order to improve the sealing performance of the drum cover 2 when it rotates with the drum 700, a rotary telescopic joint 8 is provided at the connection between the connecting rod 4 and the drum cover 2, so that the vibration during the rotation of the drum 700 is not easily transmitted to the housing 100, thereby improving the operational stability of the washing machine and reducing its noise.

[0043] In this embodiment of the invention, the two ends of the connecting rod 4 are respectively connected to the mounting part via a rotating joint 9 formed by hinges. The first mounting part 5 is connected to the door body 1, and the second mounting part 6 is connected to the cylinder cover 2. The first rotating shaft of the first rotating joint connected to the first mounting part 5 and the second rotating shaft of the second rotating joint connected to the second mounting part 6 are arranged parallel to each other. A rotary telescopic joint 8 is provided at the connection between the first mounting part 5 and the door body 1, and / or at the connection between the second mounting part 6 and the cylinder cover 2.

[0044] By connecting the two ends of the connecting rod to the door or the lid via a rotating joint, a multi-link structure is formed between the door, the lid, and the connecting rod. This allows the connecting rod to be in a retracted state parallel to the door when the door or lid is open, and in an extended state perpendicular to the door when the door or lid is closed. This allows for reasonable adjustment of the angle of the door and lid after opening, preventing interference when users take out or put in clothes.

[0045] In this embodiment of the invention, the mounting part is an independent component separate from the connecting rod. Alternatively, any mounting part can be set as an integral structure with the connecting rod 4. An independent and rotatable mounting part is set at one end of the connecting rod 4, and a fixed or integral mounting part is set at the other end. This still achieves the effect of the above-mentioned connecting structure 3 forming a multi-link structure to adjust the relative position between the door body 1 and the cylinder cover 2 during the opening and closing process.

[0046] like Figures 1 to 3 As shown, in this embodiment of the invention, the rotary telescopic joint 8 includes,

[0047] Stepped shaft 10, which is provided on the mounting part or directly on the connecting rod 4;

[0048] Stepped shaft hole 13 is provided on cylinder cover 2 or door body 1 for the insertion of stepped shaft 10;

[0049] The stepped shaft 10 consists of a narrow shaft portion 12 and a wide shaft portion 11 that narrow in radial dimension along the insertion direction;

[0050] The stepped shaft hole 13 consists of a narrow hole portion 15 and a wide hole portion 14 with radially narrowed dimensions along the insertion direction;

[0051] The stepped shaft 10 is inserted into the stepped shaft hole 13. The wide shaft portion 11 of the stepped shaft 10 is provided in the wide hole portion 14 of the stepped shaft hole 13, and the narrow shaft portion 12 is provided in the narrow hole portion 15 of the stepped shaft hole 13. The radial dimension of the wide shaft portion 11 is greater than the radial dimension of the narrow hole portion 15 and less than or equal to the radial dimension of the wide hole portion 14. The radial dimension of the narrow shaft portion 12 is less than or equal to the radial dimension of the narrow hole portion 15. The axial length of the narrow shaft portion 12 is greater than the axial length of the narrow hole portion 15.

[0052] By setting the above-mentioned rotating telescopic pair, the present invention can achieve relative rotational movement between the connecting structure and the cylinder cover or machine door through the plug-in connection method between the connecting structure and the cylinder cover or machine door, allowing the door body and the cylinder cover to rotate relative to each other around the axis; at the same time, since the shaft hole between the connecting structure and the cylinder cover or machine door has an axial limiting gap, the two can move relative to each other along the axis, allowing the door body and the cylinder cover to move relative to each other along the axial direction.

[0053] like Figure 3As shown, in this embodiment of the invention, the cylinder cover 2 / door body 1 is a disc-shaped cavity structure formed by the interlocking of the main body 16 and the cover plate 17. The center of the cover plate 17 is provided with a through hole 7 that passes through both sides of the cover plate 17. The through hole 7 and the cavity 18 inside the cylinder cover 2 / door body 1 together form a stepped shaft hole 13. The through hole 7 forms the narrow hole portion 15 of the stepped shaft hole 13, and the cavity 18 forms the wide hole portion 14. The mounting part includes a fixed plate and a mounting column connected coaxially in sequence. The fixed plate is located in the cavity 18 of the cylinder cover 2 / door body 1 and forms the wide shaft portion 11. The mounting column passes through the cavity from the through hole 7 and forms the narrow shaft portion 12. The protruding end of the mounting column is rotatably connected to the end of the connecting rod 4 via a rotating pair 9 formed by a hinge.

[0054] Preferred, such as Figures 1 to 3 As shown, in this embodiment of the invention, the connecting structure 3 is connected to the cylinder cover 2 via a rotary telescopic joint 8, and the connecting structure 3 is fixedly connected to the door body 1. In this embodiment of the invention, one end of the connecting rod 4 of the connecting structure 3 is connected to the first mounting part 5, and the first mounting part 5 is fixedly connected to the center of the door body 1. The fixed connection between the first mounting part 5 and the door body 1 can be any existing structure such as thread engagement, welding, riveting, or snap-fit. The first mounting part 5 and one end of the connecting rod 4 are connected via a pivot to form a hinge structure, so that the first mounting part 5 and the connecting rod 4 form a rotary joint 9. Furthermore, the other end of the connecting rod 4 is connected to the second mounting part 6, which is composed of the aforementioned stepped shaft 10. The stepped shaft 10 is engaged with the stepped shaft hole 13 formed by the through hole 7 and the cavity 18 provided on the cylinder cover 2 to form the aforementioned rotary telescopic joint 8 structure. At the same time, the second mounting part 6 and the other end of the connecting rod 4 are connected via a pivot to form a hinge structure, so that the second mounting part 6 and the connecting rod 4 form a rotary joint 9.

[0055] Example 1

[0056] like Figures 1 to 4 As shown in the figure, this embodiment introduces a washing machine, which includes:

[0057] The casing 100 has a clothing loading port 20;

[0058] The tube 700 is installed inside the housing 100, with the tube opening 19 being coaxial and on the same side as the clothing loading opening 20.

[0059] The aforementioned washing machine door structure 400 has a drum cover 2 that is mounted on the drum 700 via a first hinge structure 500 that allows the drum opening 19 to be opened and closed.

[0060] With the above configuration, the washing machine door structure can be connected to the drum via a single hinge structure, allowing the door structure to be installed on the washing machine under the action of a single hinge, and enabling the simultaneous opening and closing of the washing machine drum opening and the clothes loading opening; at the same time, due to the installation of the single hinge structure, the assembly of the door structure and the washing machine is simpler, and it can achieve the dual function of controlling two openings with one door.

[0061] In this embodiment, the cylinder 700 is an inner cylinder 300 that can be rotated around an axis by a motor. The inner cylinder 300 has a structure that does not have a normally open hole and forms a water container when the washing machine is in the washing state.

[0062] In this embodiment, the left or right side of the cylinder cover 2 is provided with a first hinge structure 500 with a vertically set rotating shaft, so that the cylinder cover 2 is connected to the cylinder 700 through the first hinge structure 500 to rotatably open and close the cylinder opening 19, so that the cylinder cover 2 can rotate outward around the shaft to horizontally open the cylinder opening 19.

[0063] Meanwhile, a locking structure is provided between the cylinder cover 2 and the cylinder 700. The locking structure is located at a position that intersects with the first hinge structure 500, and is used to controllably lock and open / close the cylinder cover 2 after it is closed. Preferably, the locking structure and the first hinge structure 500 are arranged symmetrically with respect to the center of the cylinder cover 2. In addition, another locking structure is provided between the door body 1 and the housing 100. The other locking structure is used to controllably lock and open / close the door body 1 after it is closed (not shown in the drawings).

[0064] In this embodiment, the specific process of closing the washing machine door is as follows:

[0065] Step s11: The user pushes the door, and the entire door structure rotates around the first hinge structure, causing the cylinder cover to move to the corresponding snap-fit ​​position.

[0066] Step s12: The locking structure between the cylinder cover and the cylinder is activated, corresponding to locking the cylinder cover;

[0067] Step s13: Adjust the position of the door so that it fits snugly against the clothing loading opening;

[0068] Step s14: The locking structure between the door and the shell is activated, corresponding to locking the door.

[0069] In this embodiment, the specific process of opening the washing machine door is as follows:

[0070] Step s21: The locking structure between the cylinder cover and the cylinder is activated, corresponding to the unlocking of the cylinder cover;

[0071] Step s22: The locking structure between the door and the shell is activated, corresponding to unlocking the door.

[0072] Step s23: The user pushes the door, and the entire door structure rotates around the first hinge structure, causing the cylinder cover to move to the corresponding open cylinder position.

[0073] Example 2

[0074] like Figures 1 to 3 and Figure 5 As shown in the figure, this embodiment introduces a washing machine, which includes:

[0075] The casing 100 has a clothing loading port 20;

[0076] The tube 700 is installed inside the housing 100, with the tube opening 19 being coaxial and on the same side as the clothing loading opening 20.

[0077] The aforementioned washing machine door structure 400 has a door 1 that can be opened and closed via a second hinge structure 600, and is mounted on the housing 100.

[0078] With the above configuration, the washing machine door structure can be connected to the casing via a single hinge structure, allowing the door structure to still be installed on the washing machine under the action of a single hinge, and still achieve the function of simultaneously opening and closing the washing machine drum and the clothes loading port; at the same time, due to the installation of the single hinge structure, the assembly of the door structure and the washing machine can still be made simpler, and can achieve the dual function of controlling two openings with one door.

[0079] In this embodiment, the specific process of closing the washing machine door is as follows:

[0080] Step s31: Adjust the relative position of the door and the cylinder cover;

[0081] Step s32: The user pushes the door, and the entire door structure rotates around the second hinge structure, causing the door to move to the position corresponding to the clothing loading port and the tube cover to move to the position corresponding to the opening.

[0082] Step s33: The locking structure between the cylinder cover and the cylinder is activated, corresponding to locking the cylinder cover;

[0083] Step s34: The locking structure between the door and the shell is activated, corresponding to locking the door.

[0084] In this embodiment, the specific process of opening the washing machine door is as follows:

[0085] Step s41: The locking structure between the cylinder cover and the cylinder is activated, corresponding to the unlocking of the cylinder cover;

[0086] Step s42: The locking structure between the door and the shell is activated, corresponding to unlocking the door.

[0087] Step s43: The user pushes the door, and the entire door structure rotates around the second hinge structure, causing the door to move to the position corresponding to the opening of the clothing delivery port;

[0088] Step s44: Adjust the relative position between the cylinder cover and the door body, and open the cylinder opening accordingly.

[0089] Example 3

[0090] like Figures 1 to 3 and Figures 6 to 7 As shown in the figure, this embodiment introduces a washing machine, which includes:

[0091] The casing 100 has a clothing loading port 20;

[0092] The tube 700 is installed inside the housing, with the tube opening 19 coaxial and on the same side as the clothing loading opening 20;

[0093] The washing machine door structure 400 described above has a drum cover 2 that can be opened and closed via a first hinge structure 500 and is installed on the drum 1. The door 1 of the door structure 400 is installed on the housing 100 via a second hinge structure 600 and can be opened and closed via a clothes loading port 20.

[0094] With the above configuration, the two parts of the washing machine door structure are respectively hinged to the corresponding drum or shell by the drum cover hinge structure, so as to form a multi-connection structure between the door structure and the washing machine, making the opening and closing process of the door more reliable and stable.

[0095] In this embodiment, the hinge axis of the first hinge structure 500 and the hinge axis of the second hinge structure 600 are arranged parallel to each other; the distance between the hinge axis of the first hinge structure 500 and the hinge axis of the second hinge structure 600 in the axial direction of the cylinder opening 19 is equal to the axial length of the connecting rod 4 of the door structure 400, so that after the door structure 400 is opened, the connecting rod 4 automatically moves from the extended position perpendicular to the door 1 to the retracted position parallel to the door 1, so that the door 1 of the door structure 400 and the cylinder cover 2 are always in a parallel state, avoiding the cumbersome steps of the user having to adjust the relative position of the cylinder cover 2 after the door structure 400 is opened.

[0096] In this embodiment, the hinge axis of the first hinge structure 500 and / or the hinge axis of the second hinge structure 600 are both arranged parallel to the hinge axis connected to the connecting rod 4 and the mounting part. Preferably, the hinge axis of the first hinge structure 500 and the hinge axis of the second hinge structure 600 are both located on the same side of the door structure 400 and are vertically arranged. The hinge axis connected to the connecting rod 4 and the first mounting part 5, and the hinge axis connected to the connecting rod 4 and the second mounting part 6 are also vertically arranged, so that the door structure 400 and the washing machine together form a stable multi-link structure, so as to achieve the effect of the door structure being able to be easily opened or closed by flipping outward or to one side.

[0097] In this embodiment, the specific process of closing the washing machine door is as follows:

[0098] Step s51: The user pushes the door, the cover rotates around the first hinge structure, and the door rotates around the second hinge structure, so that the door moves to the position corresponding to the clothing loading port and the cover moves to the position corresponding to the clothing loading port.

[0099] Step s52: The locking structure between the cylinder cover and the cylinder is activated, corresponding to locking the cylinder cover;

[0100] Step s53: The locking structure between the door and the shell is activated, corresponding to locking the door.

[0101] In this embodiment, the specific process of opening the washing machine door is as follows:

[0102] Step s61: The locking structure between the cylinder cover and the cylinder is activated, corresponding to the unlocking of the cylinder cover;

[0103] Step s62: The locking structure between the door and the shell is activated, corresponding to unlocking the door.

[0104] Step s63: The lid rotates around the first hinge structure, and the door rotates around the second hinge structure, so that the door moves to the position corresponding to the opening of the clothing inlet, and the lid moves synchronously to the position corresponding to the opening of the clothing inlet.

[0105] Example 4

[0106] This embodiment, based on embodiments one to three above, also has the following technical features:

[0107] In this embodiment, a first motor is installed at the first hinge structure 500 connecting the cylinder cover 2 and the cylinder 700, for driving the cylinder cover 2 to rotate around the axis to open and close the cylinder opening 19 of the cylinder 700; and / or, a second motor is installed at the second hinge structure 600 connecting the door body 1 and the housing 100, for driving the door body 1 to rotate around the axis to open and close the clothing loading port 20 of the housing 100 (not shown in the drawings).

[0108] By adding a drive motor to the washing machine, the door structure can be automatically opened and closed under the action of the motor, enabling the door and drum lid of the washing machine to open and close automatically and synchronously.

[0109] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make some modifications or alterations to the above-described technical content to create equivalent embodiments without departing from the scope of the present invention. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of the present invention without departing from the scope of the present invention shall still fall within the scope of the present invention.

Claims

1. A washing machine door structure, comprising: The door body is designed to fit into the clothes loading port on the washing machine casing. Its features are: The drum cover is designed to fit snugly into the opening of the washing machine drum. The connecting structure is connected to the door body and the cylinder cover respectively. A rotary telescopic joint is provided at the connection between the connecting structure and the door body and / or the cylinder cover. The door body and the cylinder cover can rotate relative to each other around the axis and move axially through the rotary telescopic joint. The connecting structure includes a connecting rod, the two ends of which are connected to the center of the door body and the cylinder cover respectively. The connection between the connecting rod and the cylinder cover is a rotary telescopic joint. The rotary telescopic joint includes a stepped shaft, which is mounted on a connecting rod; a stepped shaft hole, which is located on the cylinder cover or door body for insertion of the stepped shaft; the stepped shaft consists of a narrow shaft portion and a wide shaft portion with radially narrowed dimensions along the insertion direction; the stepped shaft hole consists of a narrow hole portion and a wide hole portion with radially narrowed dimensions along the insertion direction; the stepped shaft is inserted into the stepped shaft hole, with the wide shaft portion of the stepped shaft located in the wide hole portion of the stepped shaft hole and the narrow shaft portion located in the narrow hole portion of the stepped shaft hole, the radial dimension of the wide shaft portion being greater than the radial dimension of the narrow hole portion and less than or equal to the radial dimension of the wide hole portion, the radial dimension of the narrow shaft portion being less than or equal to the radial dimension of the narrow hole portion, and the axial length of the narrow shaft portion being greater than the axial length of the narrow hole portion.

2. The washing machine door structure according to claim 1, characterized in that: The cylinder cover or door body is a disc-shaped cavity structure formed by interlocking the cover plate. The center of the cover plate has a through hole that connects the two sides of the cover plate. The cavity formed by the through hole and the cover plate together constitutes a stepped shaft hole. The through hole constitutes the narrow hole part of the stepped shaft hole, and the cavity constitutes the wide hole part. The mounting section includes a fixed plate and a mounting column connected coaxially in sequence. The fixed plate is located inside the cavity of the cover or door body, forming a wide shaft section. The mounting column extends out of the cavity through a perforation, forming a narrow shaft section. The protruding end of the mounting column is rotatably connected to the end of the connecting rod via a hinged rotating pair.

3. A washing machine door structure according to claim 1 or 2, characterized in that: The connecting structure is connected to the cylinder cover via a rotary telescopic joint, and the connecting structure is fixedly connected to the door body.

4. A washing machine door structure, comprising: The door body is designed to fit into the clothes loading port on the washing machine casing. Its features are: The drum cover is designed to fit snugly into the opening of the washing machine drum. A connecting structure is provided, connecting to both the door body and the cylinder cover. A rotary telescopic joint is provided at the connection point between the connecting structure and the door body and / or the cylinder cover, allowing the door body and the cylinder cover to rotate relative to each other around an axis and extend and retract axially using the rotary telescopic joint. The connecting structure includes a connecting rod, with both ends connected to the centers of the door body and the cylinder cover respectively. The connection point between the connecting rod and the cylinder cover is a rotary telescopic joint. Both ends of the connecting rod are connected to mounting parts via hinged rotating joints. The first mounting part is connected to the door body, and the second mounting part is connected to the cylinder cover. The first rotating shaft of the first rotating joint connected to the first mounting part and the second rotating shaft of the second rotating joint connected to the second mounting part are arranged parallel to each other. A rotary telescopic joint is provided at the connection point between the first mounting part and the door body, and / or at the connection point between the second mounting part and the cylinder cover. The rotary telescopic joint includes a stepped shaft, which is disposed on a second mounting part or a first mounting part; a stepped shaft hole, which is disposed on a cylinder cover or door body for insertion of the stepped shaft; the stepped shaft consists of a narrow shaft portion and a wide shaft portion with radially narrowed dimensions along the insertion direction; the stepped shaft hole consists of a narrow hole portion and a wide hole portion with radially narrowed dimensions along the insertion direction; the stepped shaft is inserted into the stepped shaft hole, with the wide shaft portion of the stepped shaft disposed in the wide hole portion of the stepped shaft hole and the narrow shaft portion disposed in the narrow hole portion of the stepped shaft hole, the radial dimension of the wide shaft portion being greater than the radial dimension of the narrow hole portion and less than or equal to the radial dimension of the wide hole portion, the radial dimension of the narrow shaft portion being less than or equal to the radial dimension of the narrow hole portion, and the axial length of the narrow shaft portion being greater than the axial length of the narrow hole portion.

5. A washing machine, comprising: The casing has a clothing insertion port; The tube is installed inside the casing, with its opening facing the clothing inlet. Its features are: The washing machine door structure according to any one of claims 1 to 4 is wherein the drum cover is installed on the drum via a first hinge structure to open and close the drum opening, and / or the door is installed on the housing via a second hinge structure to open and close the clothes loading opening.

6. A washing machine according to claim 5, characterized in that: The first hinge structure and the second hinge structure are located on the same side of the door structure; The hinge axis of the first hinge structure is set parallel to the hinge axis of the second hinge structure; The distance between the hinge pins of the first hinge structure and the hinge pins of the second hinge structure in the axial direction of the cylinder opening is equal to the axial length of the connecting rod.

7. A washing machine according to claim 6, characterized in that: The hinge axis of the first hinge structure and / or the hinge axis of the second hinge structure are both arranged parallel to the hinge axis connected to the connecting rod and the mounting part.

8. A washing machine according to any one of claims 5 to 7, characterized in that: A first motor is installed at the first hinge structure connecting the cylinder cover and the cylinder, which is used to drive the cylinder cover to rotate around the axis to open and close the cylinder opening.

9. A washing machine according to any one of claims 5 to 7, characterized in that: A second motor is installed at the second hinge structure connecting the door and the shell, which is used to drive the door to rotate around the axis to open and close the clothing loading port of the shell.

10. A washing machine according to any one of claims 5 to 7, characterized in that: A first motor is installed at the first hinge structure connecting the cylinder cover and the cylinder, which is used to drive the cylinder cover to rotate around the axis to open and close the cylinder opening; A second motor is installed at the second hinge structure connecting the door body and the shell, which is used to drive the door body to rotate around the axis to open and close the clothing loading port of the shell.

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